/* roulang page: index */
:root {
            --primary-green: #1E5B34;
            --primary-dark: #0D2A16;
            --accent-orange: #E8751A;
            --accent-orange-hover: #D0640E;
            --accent-light-orange: #FEF0E4;
            --bg-warm: #F7F4EE;
            --card-white: #FFFFFF;
            --text-main: #2E3532;
            --text-body: #4B5550;
            --text-muted: #6D7772;
            --border-light: #E0E4DF;
            --border-input: #D5DAD6;
            --tag-bg: #E8F2EB;
            --tag-text: #1E5B34;
            --highlight-yellow: #F6C344;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 4px;
            --shadow-card: 0 2px 12px rgba(13, 42, 22, 0.05);
            --shadow-card-hover: 0 10px 28px rgba(13, 42, 22, 0.10);
            --container-max: 1200px;
            --font-title: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", "SimHei", system-ui, -apple-system, sans-serif;
            --font-body: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            --nav-height: 68px;
            --section-pad-desk: 80px;
            --section-pad-mob: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--accent-orange);
        }
        a:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 3px;
            border-radius: 2px;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-card);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3 {
            font-family: var(--font-title);
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary-dark);
            letter-spacing: 0.01em;
        }
        h1 {
            font-size: 38px;
            color: #FFFFFF;
            line-height: 1.25;
        }
        h2 {
            font-size: 26px;
            margin-bottom: 18px;
        }
        h3 {
            font-size: 19px;
            color: var(--text-main);
            line-height: 1.4;
        }
        p {
            margin-bottom: 12px;
            color: var(--text-body);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding-top: var(--section-pad-desk);
            padding-bottom: var(--section-pad-desk);
        }
        .section-alt {
            background-color: #FFFFFF;
        }
        .section-mint {
            background-color: #F0F5F1;
        }
        .section-dark {
            background-color: var(--primary-dark);
        }
        .section-title-wrap {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 42px;
        }
        .section-title-wrap h2 {
            color: var(--primary-green);
        }
        .section-title-wrap .section-sub {
            color: var(--text-muted);
            font-size: 15px;
        }
        .tag {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--tag-text);
            border-radius: var(--radius-tag);
            padding: 3px 10px;
            font-size: 12.5px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }
        .tag-orange {
            background: #FDEBDD;
            color: #B85A0E;
        }
        .tag-yellow {
            background: #FDF3D7;
            color: #8A6D1D;
        }
        .tag-blue {
            background: #E4EEF5;
            color: #2E5F7A;
        }
        .tag-rose {
            background: #F9E8EC;
            color: #A8475A;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent-orange);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(232, 117, 26, 0.32);
        }
        .btn-primary:hover {
            background: var(--accent-orange-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232, 117, 26, 0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(232, 117, 26, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--accent-orange);
            border: 1.5px solid var(--accent-orange);
        }
        .btn-outline:hover {
            background: var(--accent-light-orange);
            border-color: var(--accent-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 117, 26, 0.18);
        }
        .btn-outline-white {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-grey-link {
            color: var(--primary-green);
            font-weight: 600;
            padding: 0;
            min-height: auto;
            border-radius: 0;
            position: relative;
        }
        .btn-grey-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-orange);
            transition: width 0.25s ease;
        }
        .btn-grey-link:hover::after {
            width: 100%;
        }
        .btn-grey-link:hover {
            color: var(--accent-orange);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: var(--primary-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 18px rgba(13, 42, 22, 0.25);
        }
        .nav-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent-orange);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-logo-text {
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.04em;
            font-family: var(--font-title);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-menu-item {
            position: relative;
            padding: 8px 12px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14.5px;
            font-weight: 500;
            letter-spacing: 0.01em;
            text-decoration: none;
            transition: color 0.2s ease;
            white-space: nowrap;
        }
        .nav-menu-item:hover {
            color: #FFFFFF;
        }
        .nav-menu-item.active {
            color: #FFFFFF;
            font-weight: 600;
        }
        .nav-menu-item::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--accent-orange);
            border-radius: 2px;
            transition: width 0.25s ease;
        }
        .nav-menu-item:hover::after,
        .nav-menu-item.active::after {
            width: 24px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search-btn {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.85);
            font-size: 17px;
            transition: background 0.2s ease, color 0.2s ease;
        }
        .nav-search-btn:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
        }
        .nav-auth-btn {
            min-height: 36px;
            padding: 7px 16px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #FFFFFF;
            font-size: 13.5px;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        .nav-auth-btn:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #FFFFFF;
        }
        .nav-hamburger {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 10px;
            color: #FFFFFF;
            transition: background 0.2s ease;
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: #FFFFFF;
            border-radius: 3px;
            transition: all 0.3s ease;
        }
        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: var(--primary-dark);
            padding: 16px 24px 28px;
            z-index: 999;
            border-bottom-left-radius: 20px;
            border-bottom-right-radius: 20px;
            box-shadow: 0 16px 30px rgba(13, 42, 22, 0.3);
            max-height: calc(100vh - var(--nav-height));
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu-item {
            display: flex;
            align-items: center;
            min-height: 48px;
            padding: 10px 12px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            border-radius: 8px;
            transition: background 0.2s ease;
        }
        .mobile-menu-item:hover,
        .mobile-menu-item.active {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 520px;
            padding-top: var(--nav-height);
            display: flex;
            align-items: center;
            background-image: url('/assets/images/c74656f44786d35d.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            isolation: isolate;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 42, 22, 0.88) 0%, rgba(30, 91, 52, 0.72) 55%, rgba(13, 42, 22, 0.55) 100%);
            z-index: -1;
        }
        .hero-content {
            padding: 60px 0 70px;
            color: #FFFFFF;
            max-width: 680px;
        }
        .hero-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .hero-tag {
            background: rgba(255, 255, 255, 0.16);
            color: #FFFFFF;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(2px);
            -webkit-backdrop-filter: blur(2px);
        }
        .hero h1 {
            margin-bottom: 18px;
            font-size: clamp(30px, 5vw, 42px);
            max-width: 620px;
            text-shadow: 0 2px 18px rgba(0, 0, 0, 0.3);
        }
        .hero-sub {
            color: rgba(255, 255, 255, 0.9);
            font-size: 17px;
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 560px;
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }
        .hero-data-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-data-item {
            min-width: 80px;
        }
        .hero-data-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--highlight-yellow);
            line-height: 1.2;
            font-family: var(--font-title);
        }
        .hero-data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.02em;
        }

        /* ===== Quick Entry ===== */
        .quick-entry-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }
        .quick-entry-item {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 18px 10px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--border-light);
        }
        .quick-entry-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--primary-green);
        }
        .quick-entry-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: #F0F5F1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            transition: background 0.3s ease;
            flex-shrink: 0;
        }
        .quick-entry-item:hover .quick-entry-icon {
            background: var(--primary-green);
        }
        .quick-entry-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        /* ===== Card Grid ===== */
        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            border: 1px solid var(--border-light);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: #C9D8CE;
        }
        .card-img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img {
            transform: scale(1.02);
        }
        .card-body {
            padding: 22px 24px 24px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .card-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .card-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
            align-items: center;
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-green);
        }
        .card-link:hover {
            color: var(--accent-orange);
        }

        /* ===== group cards ===== */
        .group-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all 0.3s ease;
            border: 1px solid var(--border-light);
        }
        .group-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: #C9D8CE;
        }
        .group-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
        }
        .group-card-sport {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary-green);
        }
        .group-card-people {
            font-size: 13px;
            color: var(--text-muted);
        }
        .group-card-info {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 6px 14px;
            font-size: 13.5px;
            color: var(--text-body);
        }
        .group-card-info span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .group-card-btn {
            margin-top: 6px;
            align-self: flex-start;
        }

        /* ===== List rows ===== */
        .article-list-row {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: var(--card-white);
            border-radius: 12px;
            padding: 16px 18px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
            margin-bottom: 14px;
        }
        .article-list-row:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #C9D8CE;
        }
        .article-list-thumb {
            width: 88px;
            height: 66px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }
        .article-list-body {
            flex: 1;
        }
        .article-list-title {
            font-size: 15.5px;
            font-weight: 650;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .article-list-excerpt {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 6px;
        }
        .article-list-meta {
            font-size: 12.5px;
            color: var(--text-muted);
        }

        /* ===== Brand intro ===== */
        .brand-intro-wrap {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }
        .brand-intro-img {
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card-hover);
            object-fit: cover;
            width: 100%;
            height: auto;
            max-height: 420px;
        }

        /* ===== Stats bar ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item {
            padding: 26px 18px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.07);
        }
        .stat-num {
            font-size: 34px;
            font-weight: 700;
            color: var(--accent-orange);
            line-height: 1.2;
            letter-spacing: 0.01em;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 6px;
        }
        .stat-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.58);
            margin-top: 4px;
        }

        /* ===== Testimonials ===== */
        .testimonial-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 24px 26px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #E0EFE4;
            color: var(--primary-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 650;
            font-size: 15px;
            color: var(--text-main);
        }
        .testimonial-sport {
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .testimonial-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }
        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-green);
            color: #FFFFFF;
            font-size: 19px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .step-title {
            font-size: 17px;
            font-weight: 650;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .step-text {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== City tags ===== */
        .city-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 12px;
        }
        .city-tag {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: 30px;
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: all 0.25s ease;
            text-decoration: none;
        }
        .city-tag:hover {
            background: var(--primary-green);
            color: #FFFFFF;
            border-color: var(--primary-green);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        .faq-item.open {
            border-color: #BFD8C7;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 650;
            font-size: 16px;
            color: var(--text-main);
            transition: background 0.2s ease;
            user-select: none;
            -webkit-user-select: none;
            min-height: 52px;
            line-height: 1.4;
            text-align: left;
            width: 100%;
        }
        .faq-question:hover {
            background: #F8FAF9;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: #F0F5F1;
            color: var(--primary-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: all 0.3s ease;
        }
        .faq-item.open .faq-icon {
            background: var(--primary-green);
            color: #FFFFFF;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-body);
            font-size: 14.5px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* ===== CTA subscribe ===== */
        .cta-band {
            background: linear-gradient(135deg, #FDF7F0 0%, #F7F4EE 60%, #FDF3E4 100%);
            border-radius: var(--radius-card);
            padding: 42px 36px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid #F0E4D6;
        }
        .cta-band h2 {
            color: var(--primary-green);
            margin-bottom: 10px;
        }
        .cta-band p {
            color: var(--text-muted);
            max-width: 480px;
            margin: 0 auto 24px;
            font-size: 14.5px;
        }
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            max-width: 480px;
            margin: 0 auto;
        }
        .subscribe-input {
            flex: 1;
            min-width: 220px;
            background: #FFFFFF;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 14.5px;
            color: var(--text-main);
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            min-height: 46px;
        }
        .subscribe-input::placeholder {
            color: #9AA69F;
        }
        .subscribe-input:focus {
            border-color: var(--accent-orange);
            box-shadow: 0 0 0 3px rgba(232, 117, 26, 0.1);
            outline: none;
        }
        .subscribe-btn {
            min-height: 46px;
            padding: 12px 24px;
            background: var(--accent-orange);
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14.5px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .subscribe-btn:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 117, 26, 0.3);
        }
        .rss-link-row {
            margin-top: 16px;
            font-size: 13.5px;
            color: var(--text-muted);
        }
        .rss-link-row a {
            color: var(--primary-green);
            font-weight: 600;
        }
        .rss-link-row a:hover {
            color: var(--accent-orange);
        }

        /* ===== Partner logo wall ===== */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .partner-logo {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            padding: 22px 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 650;
            color: #9AA69F;
            letter-spacing: 0.04em;
            transition: all 0.3s ease;
            min-height: 72px;
            text-align: center;
        }
        .partner-logo:hover {
            border-color: #C9D8CE;
            color: var(--text-muted);
            box-shadow: var(--shadow-card);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.78);
            padding-top: 50px;
            padding-bottom: 22px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            font-family: var(--font-title);
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.62);
            max-width: 360px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 650;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-contact {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.62);
        }
        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-bar a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .footer-bottom-bar a:hover {
            color: #FFFFFF;
        }
        .footer-legal-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .quick-entry-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-intro-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-intro-img {
                max-height: 320px;
                object-fit: cover;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            h1 {
                font-size: 32px;
            }
            h2 {
                font-size: 23px;
            }
            .section {
                padding-top: 60px;
                padding-bottom: 60px;
            }
            .nav-menu-item {
                padding: 8px 8px;
                font-size: 13.5px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 62px;
                --section-pad-desk: 48px;
                --section-pad-mob: 40px;
            }
            .nav-menu {
                display: none;
            }
            .nav-right {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-menu.open {
                display: block;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero {
                min-height: 460px;
            }
            .hero-content {
                padding: 36px 0 48px;
            }
            h1 {
                font-size: 27px;
            }
            h2 {
                font-size: 21px;
            }
            h3 {
                font-size: 17px;
            }
            .section {
                padding-top: var(--section-pad-desk);
                padding-bottom: var(--section-pad-desk);
            }
            .quick-entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
                margin-top: -26px;
            }
            .quick-entry-item {
                padding: 14px 8px 12px;
                gap: 6px;
            }
            .quick-entry-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
                border-radius: 10px;
            }
            .quick-entry-text {
                font-size: 13px;
            }
            .card-grid-3 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card-grid-2 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card-img {
                height: 170px;
            }
            .card-body {
                padding: 18px 20px 20px;
            }
            .group-card {
                padding: 18px 20px;
            }
            .article-list-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }
            .article-list-thumb {
                width: 100%;
                height: 150px;
                border-radius: 10px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-num {
                font-size: 26px;
            }
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .cta-band {
                padding: 28px 18px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-input {
                min-width: 100%;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13.5px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom-bar {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .hero-data-row {
                gap: 18px;
                flex-wrap: wrap;
            }
            .hero-data-num {
                font-size: 24px;
            }
            .section-title-wrap {
                margin-bottom: 28px;
            }
            .brand-intro-img {
                max-height: 240px;
            }
            .city-tag-cloud {
                gap: 8px;
            }
            .city-tag {
                padding: 7px 14px;
                font-size: 13px;
            }
            .testimonial-card {
                padding: 18px 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-cta-row {
                flex-direction: column;
            }
            .hero-cta-row .btn {
                width: 100%;
            }
            .quick-entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .card-grid-3 {
                grid-template-columns: 1fr;
            }
            .partner-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .partner-logo {
                font-size: 13px;
                padding: 16px 12px;
                min-height: 58px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-item {
                padding: 18px 12px;
            }
            .stat-num {
                font-size: 22px;
            }
            .stat-label {
                font-size: 12.5px;
            }
            .stat-desc {
                font-size: 12px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .nav-logo-text {
                font-size: 17px;
            }
        }

/* roulang page: category2 */
:root {
            --primary-green: #1E5B34;
            --primary-dark: #0D2A16;
            --accent-orange: #E8751A;
            --accent-orange-hover: #D0640E;
            --accent-light-orange: #FEF0E4;
            --bg-warm: #F7F4EE;
            --card-white: #FFFFFF;
            --text-main: #2E3532;
            --text-body: #4B5550;
            --text-muted: #6D7772;
            --border-light: #E0E4DF;
            --border-input: #D5DAD6;
            --tag-bg: #E8F2EB;
            --tag-text: #1E5B34;
            --highlight-yellow: #F6C344;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 4px;
            --shadow-card: 0 2px 12px rgba(13, 42, 22, 0.05);
            --shadow-card-hover: 0 10px 28px rgba(13, 42, 22, 0.10);
            --container-max: 1200px;
            --font-title: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", "SimHei", system-ui, -apple-system, sans-serif;
            --font-body: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            --nav-height: 68px;
            --section-pad-desk: 64px;
            --section-pad-mob: 44px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--accent-orange);
        }
        a:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 3px;
            border-radius: 2px;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-card);
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-pad-desk);
            padding-bottom: var(--section-pad-desk);
        }
        .section-alt {
            background-color: #FFFFFF;
        }
        .section-mint {
            background-color: #F0F5F1;
        }
        .section-dark {
            background-color: var(--primary-dark);
        }

        .section-title-wrap {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 42px;
        }
        .section-title-wrap h2 {
            color: var(--primary-green);
            font-family: var(--font-title);
            font-size: 26px;
            line-height: 1.3;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .section-title-wrap .section-sub {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 0;
        }

        .tag {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--tag-text);
            border-radius: var(--radius-tag);
            padding: 3px 10px;
            font-size: 12.5px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }
        .tag-orange {
            background: #FDEBDD;
            color: #B85A0E;
        }
        .tag-yellow {
            background: #FDF3D7;
            color: #8A6D1D;
        }
        .tag-blue {
            background: #E4EEF5;
            color: #2E5F7A;
        }
        .tag-rose {
            background: #F9E8EC;
            color: #A8475A;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent-orange);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(232, 117, 26, 0.32);
            border: none;
        }
        .btn-primary:hover {
            background: var(--accent-orange-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232, 117, 26, 0.4);
            text-decoration: none;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(232, 117, 26, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--accent-orange);
            border: 1.5px solid var(--accent-orange);
        }
        .btn-outline:hover {
            background: var(--accent-light-orange);
            border-color: var(--accent-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 117, 26, 0.18);
            text-decoration: none;
        }
        .btn-outline-white {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* Header & Nav */
        .site-header {
            background-color: var(--primary-dark);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            box-shadow: 0 1px 16px rgba(13, 42, 22, 0.18);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.03em;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1;
        }
        .logo:hover {
            color: rgba(255, 255, 255, 0.88);
            text-decoration: none;
        }
        .logo-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--accent-orange);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: #FFFFFF;
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            margin-left: auto;
        }
        .nav-menu-item {
            color: rgba(255, 255, 255, 0.82);
            font-size: 14.5px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            text-decoration: none;
            position: relative;
            letter-spacing: 0.02em;
            transition: color 0.2s ease, background 0.2s ease;
            white-space: nowrap;
        }
        .nav-menu-item::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 4px;
            height: 2px;
            background: var(--accent-orange);
            border-radius: 1px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.25s ease;
        }
        .nav-menu-item:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
            text-decoration: none;
        }
        .nav-menu-item:hover::after {
            transform: scaleX(1);
        }
        .nav-menu-item.active {
            color: #FFFFFF;
            font-weight: 600;
        }
        .nav-menu-item.active::after {
            transform: scaleX(1);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 18px;
        }
        .nav-icon-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.2s ease;
            background: transparent;
            font-size: 16px;
        }
        .nav-icon-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.45);
        }
        .nav-login-btn {
            min-height: 38px;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.55);
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 500;
            background: transparent;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .nav-login-btn:hover {
            background: #FFFFFF;
            color: var(--primary-dark);
            border-color: #FFFFFF;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: transparent;
            border: none;
            padding: 8px;
            margin-left: auto;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: #FFFFFF;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Breadcrumb & Category Header */
        .breadcrumb-wrap {
            padding: 18px 0 0;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13.5px;
            color: var(--text-muted);
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-custom a {
            color: var(--primary-green);
            text-decoration: none;
        }
        .breadcrumb-custom a:hover {
            color: var(--accent-orange);
        }
        .breadcrumb-sep {
            color: var(--border-light);
            font-size: 13px;
        }

        .category-header {
            position: relative;
            overflow: hidden;
            border-radius: 20px;
            margin-top: 16px;
            min-height: 220px;
            display: flex;
            align-items: flex-end;
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
        }
        .category-header-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 42, 22, 0.82) 0%, rgba(30, 91, 52, 0.6) 55%, rgba(13, 42, 22, 0.45) 100%);
            z-index: 1;
        }
        .category-header-content {
            position: relative;
            z-index: 2;
            padding: 32px 32px 28px;
            color: #FFFFFF;
            max-width: 720px;
        }
        .category-header-content h1 {
            font-family: var(--font-title);
            font-size: 34px;
            line-height: 1.25;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            margin-top: 0;
        }
        .category-header-content p {
            font-size: 15.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 0;
            max-width: 640px;
        }

        /* Article cards */
        .article-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .article-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            flex-shrink: 0;
        }
        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            transition: transform 0.4s ease;
        }
        .article-card:hover .article-card-img img {
            transform: scale(1.03);
        }
        .article-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12.5px;
            color: var(--text-muted);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .article-card-title {
            font-family: var(--font-title);
            font-size: 17px;
            line-height: 1.45;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card-title a {
            color: var(--text-main);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .article-card-title a:hover {
            color: var(--primary-green);
        }
        .article-card-excerpt {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-body);
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .article-card-footer-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--primary-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color 0.2s ease;
        }
        .article-card-footer-link:hover {
            color: var(--accent-orange);
        }

        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-cloud .tag {
            font-size: 13.5px;
            padding: 7px 16px;
            border-radius: 20px;
            cursor: default;
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }
        .tag-cloud .tag:hover {
            background: var(--primary-green);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(30, 91, 52, 0.2);
        }

        /* Recommendation cards */
        .recommend-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .recommend-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            flex-shrink: 0;
        }
        .recommend-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            transition: transform 0.4s ease;
        }
        .recommend-card:hover .recommend-card-img img {
            transform: scale(1.03);
        }
        .recommend-card-body {
            padding: 18px 20px 20px;
            flex: 1;
        }
        .recommend-card-title {
            font-family: var(--font-title);
            font-size: 16px;
            line-height: 1.45;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .recommend-card-title a {
            color: var(--text-main);
            text-decoration: none;
        }
        .recommend-card-title a:hover {
            color: var(--primary-green);
        }
        .recommend-card-meta {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .recommend-card-excerpt {
            font-size: 13.5px;
            line-height: 1.7;
            color: var(--text-body);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }

        /* Topic cards */
        .topic-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 26px 24px;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            border-left: 4px solid var(--primary-green);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-left-color: var(--accent-orange);
        }
        .topic-card-title {
            font-family: var(--font-title);
            font-size: 19px;
            line-height: 1.4;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .topic-card-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-body);
            margin-bottom: 14px;
            flex: 1;
        }
        .topic-card-count {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .topic-card-link {
            display: inline-flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-green);
            text-decoration: none;
            transition: color 0.2s ease;
            margin-top: auto;
        }
        .topic-card-link:hover {
            color: var(--accent-orange);
        }

        /* Subscribe CTA */
        .subscribe-card {
            background: linear-gradient(135deg, #FDF8F2 0%, #F9EFE5 100%);
            border-radius: 20px;
            padding: 36px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 24px;
            border: 1px solid #F0E4D8;
        }
        .subscribe-info {
            flex: 1;
            min-width: 260px;
        }
        .subscribe-info h2 {
            font-family: var(--font-title);
            font-size: 24px;
            line-height: 1.35;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }
        .subscribe-info p {
            font-size: 14.5px;
            color: var(--text-body);
            margin-bottom: 0;
            line-height: 1.75;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex: 1;
            min-width: 280px;
            flex-wrap: wrap;
        }
        .subscribe-input {
            flex: 1;
            min-width: 180px;
            background: #FFFFFF;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 14.5px;
            color: var(--text-main);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            min-height: 44px;
            outline: none;
        }
        .subscribe-input:focus {
            border-color: var(--accent-orange);
            box-shadow: 0 0 0 3px rgba(232, 117, 26, 0.12);
        }
        .subscribe-input::placeholder {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* FAQ */
        .faq-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        .faq-card.open {
            border-color: #B9D6C2;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: color 0.2s ease;
            border: none;
        }
        .faq-question:hover {
            color: var(--primary-green);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--tag-bg);
            color: var(--primary-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 600;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }
        .faq-card.open .faq-icon {
            background: var(--primary-green);
            color: #FFFFFF;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
        }
        .faq-card.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 0;
        }

        /* Load more */
        .load-more-wrap {
            text-align: center;
            margin-top: 12px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            color: rgba(255, 255, 255, 0.82);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.7);
            max-width: 360px;
            margin-bottom: 0;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.2s ease;
            display: inline-block;
        }
        .footer-links a:hover {
            color: #FFFFFF;
            text-decoration: none;
        }
        .footer-contact {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.72);
        }
        .footer-contact a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: underline;
        }
        .footer-contact a:hover {
            color: #FFFFFF;
        }
        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-legal-links {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-legal-links a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 13px;
            transition: color 0.2s ease;
        }
        .footer-legal-links a:hover {
            color: #FFFFFF;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section {
                padding-top: 52px;
                padding-bottom: 52px;
            }
            .category-header {
                min-height: 200px;
            }
            .category-header-content h1 {
                font-size: 30px;
            }
            .category-header-content p {
                font-size: 14.5px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --section-pad-desk: 44px;
                --section-pad-mob: 36px;
            }
            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header .container {
                flex-wrap: wrap;
                height: var(--nav-height);
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--primary-dark);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 10px 16px 18px;
                box-shadow: 0 14px 28px rgba(13, 42, 22, 0.2);
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                width: 100%;
                margin-left: 0;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu-item {
                padding: 14px 8px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                font-size: 15px;
                border-radius: 0;
            }
            .nav-menu-item::after {
                display: none;
            }
            .nav-menu-item:hover {
                background: rgba(255, 255, 255, 0.05);
            }
            .nav-actions {
                margin-left: auto;
                gap: 8px;
            }
            .nav-login-btn {
                display: none;
            }
            .hamburger {
                display: flex;
                margin-left: 8px;
            }
            .breadcrumb-custom {
                font-size: 12.5px;
            }
            .category-header {
                min-height: 200px;
            }
            .category-header-content {
                padding: 24px 20px 20px;
            }
            .category-header-content h1 {
                font-size: 28px;
                margin-bottom: 8px;
            }
            .category-header-content p {
                font-size: 14px;
                line-height: 1.7;
            }
            .article-card-body {
                padding: 16px 16px 18px;
            }
            .article-card-title {
                font-size: 15.5px;
            }
            .article-card-excerpt {
                font-size: 13.5px;
                -webkit-line-clamp: 2;
            }
            .section-title-wrap h2 {
                font-size: 22px;
            }
            .subscribe-card {
                padding: 24px 18px;
                flex-direction: column;
                align-items: stretch;
                gap: 16px;
            }
            .subscribe-info h2 {
                font-size: 20px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .topic-card {
                padding: 20px 18px;
            }
            .topic-card-title {
                font-size: 17px;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 19px;
            }
            .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 13px;
            }
            .category-header {
                min-height: 180px;
                border-radius: 14px;
            }
            .category-header-content h1 {
                font-size: 24px;
            }
            .category-header-content p {
                font-size: 13px;
            }
            .tag-cloud .tag {
                font-size: 12.5px;
                padding: 5px 12px;
            }
            .article-card {
                border-radius: 12px;
            }
            .article-card-img {
                border-radius: 12px 12px 0 0;
            }
            .article-card-img img {
                border-radius: 12px 12px 0 0;
            }
            .recommend-card {
                border-radius: 12px;
            }
            .recommend-card-img {
                border-radius: 12px 12px 0 0;
            }
            .recommend-card-img img {
                border-radius: 12px 12px 0 0;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14.5px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-card.open .faq-answer {
                padding: 0 16px 16px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                min-height: 40px;
            }
        }

/* roulang page: category1 */
:root {
  --primary-green: #1E5B34;
  --primary-dark: #0D2A16;
  --accent-orange: #E8751A;
  --accent-orange-hover: #D0640E;
  --accent-light-orange: #FEF0E4;
  --bg-warm: #F7F4EE;
  --card-white: #FFFFFF;
  --text-main: #2E3532;
  --text-body: #4B5550;
  --text-muted: #6D7772;
  --border-light: #E0E4DF;
  --border-input: #D5DAD6;
  --tag-bg: #E8F2EB;
  --tag-text: #1E5B34;
  --highlight-yellow: #F6C344;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-tag: 4px;
  --shadow-card: 0 2px 12px rgba(13, 42, 22, 0.05);
  --shadow-card-hover: 0 10px 28px rgba(13, 42, 22, 0.10);
  --container-max: 1200px;
  --font-title: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", "SimHei", system-ui, -apple-system, sans-serif;
  --font-body: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --nav-height: 68px;
  --section-pad-desk: 48px;
  --section-pad-mob: 40px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-main);
  background-color: var(--bg-warm);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  margin: 0;
}
a {
  color: var(--primary-green);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--accent-orange);
}
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 3px;
  border-radius: 2px;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  -webkit-tap-highlight-color: transparent;
}
input {
  font-family: inherit;
  font-size: inherit;
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding-top: var(--section-pad-desk);
  padding-bottom: var(--section-pad-desk);
}
.section-alt {
  background-color: #FFFFFF;
}
.section-mint {
  background-color: #F0F5F1;
}
.section-dark {
  background-color: var(--primary-dark);
}
.section-title-wrap {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 42px;
}
.section-title-wrap h2 {
  color: var(--primary-green);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.3;
  margin: 0 0 12px;
}
.section-title-wrap .section-sub {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}
.section-head h2 {
  color: var(--primary-green);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.3;
  margin: 0;
}
.section-head .section-sub {
  color: var(--text-muted);
  font-size: 14px;
  max-width: 480px;
  margin: 6px 0 0;
}
.tag {
  display: inline-block;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: var(--radius-tag);
  padding: 3px 10px;
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
}
.tag-orange {
  background: #FDEBDD;
  color: #B85A0E;
}
.tag-yellow {
  background: #FDF3D7;
  color: #8A6D1D;
}
.tag-blue {
  background: #E4EEF5;
  color: #2E5F7A;
}
.tag-rose {
  background: #F9E8EC;
  color: #A8475A;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 26px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  transition: all 0.25s ease;
  line-height: 1.4;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-orange);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(232, 117, 26, 0.32);
}
.btn-primary:hover {
  background: var(--accent-orange-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(232, 117, 26, 0.4);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 3px 10px rgba(232, 117, 26, 0.3);
}
.btn-outline {
  background: transparent;
  color: var(--accent-orange);
  border: 1.5px solid var(--accent-orange);
}
.btn-outline:hover {
  background: var(--accent-light-orange);
  border-color: var(--accent-orange);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(232, 117, 26, 0.18);
}
.btn-outline-white {
  background: transparent;
  color: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
}
.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-green);
  font-weight: 600;
  font-size: 14px;
  transition: color 0.2s ease;
}
.text-link:hover {
  color: var(--accent-orange);
}
.text-link::after {
  content: "→";
  font-size: 15px;
  line-height: 1;
}
/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--primary-dark);
  min-height: var(--nav-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.header-inner {
  display: flex;
  align-items: center;
  min-height: var(--nav-height);
  gap: 20px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #FFFFFF;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 19px;
  text-decoration: none;
  letter-spacing: 0.01em;
  flex-shrink: 0;
}
.logo:hover {
  color: #FFFFFF;
}
.logo-ball {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-orange);
  color: #FFFFFF;
  font-size: 17px;
  line-height: 1;
  flex-shrink: 0;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}
.nav-menu-item {
  position: relative;
  color: rgba(255, 255, 255, 0.85);
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  padding: 8px 0 10px;
  line-height: 1.4;
  transition: color 0.2s ease;
}
.nav-menu-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--accent-orange);
  transition: width 0.25s ease;
}
.nav-menu-item:hover {
  color: #FFFFFF;
}
.nav-menu-item:hover::after,
.nav-menu-item.active::after {
  width: 100%;
}
.nav-menu-item.active {
  color: #FFFFFF;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  font-size: 16px;
  transition: background 0.2s ease;
}
.icon-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}
.login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 16px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #FFFFFF;
  background: transparent;
  font-weight: 600;
  font-size: 13.5px;
  transition: all 0.2s ease;
}
.login-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #FFFFFF;
  color: #FFFFFF;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  font-size: 20px;
  line-height: 1;
  align-items: center;
  justify-content: center;
}
/* category hero */
.category-hero {
  position: relative;
  background-image: linear-gradient(to bottom, rgba(13, 42, 22, 0.82), rgba(13, 42, 22, 0.68)), url('/assets/images/c74656f44786d35d.webp');
  background-size: cover;
  background-position: center;
  color: #FFFFFF;
  padding: 64px 0 56px;
}
.category-hero-content {
  max-width: 780px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13.5px;
  margin-bottom: 18px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}
.breadcrumb a:hover {
  color: #FFFFFF;
}
.breadcrumb-sep {
  color: rgba(255, 255, 255, 0.4);
}
.category-hero h1 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 36px;
  line-height: 1.25;
  margin: 0 0 16px;
  color: #FFFFFF;
}
.category-intro {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.9);
  max-width: 720px;
  margin: 0;
}
.category-hero-meta {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
}
/* article cards */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.article-card {
  background: var(--card-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.article-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 0;
}
.article-card-body {
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.article-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.article-card-title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  color: var(--text-main);
  margin: 0 0 10px;
}
.article-card-desc {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 16px;
  flex: 1;
}
.article-card-meta {
  color: var(--text-muted);
  font-size: 12.5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.article-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-green);
  font-weight: 600;
  font-size: 13.5px;
}
.article-card-link:hover {
  color: var(--accent-orange);
}
/* filter tags */
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}
.filter-tag {
  display: inline-flex;
  align-items: center;
  min-height: 37px;
  padding: 6px 16px;
  border-radius: 30px;
  background: #FFFFFF;
  color: var(--text-body);
  border: 1px solid var(--border-light);
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.2s ease;
}
.filter-tag:hover {
  border-color: var(--primary-green);
  color: var(--primary-green);
  background: #FFFFFF;
}
.filter-tag.active {
  background: var(--primary-green);
  border-color: var(--primary-green);
  color: #FFFFFF;
}
/* recommend cards */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.recommend-card {
  background: var(--card-white);
  border-radius: 14px;
  padding: 18px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(224, 228, 223, 0.6);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}
.recommend-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}
.recommend-card-date {
  color: var(--text-muted);
  font-size: 12px;
  margin-bottom: 8px;
}
.recommend-card-title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--text-main);
  margin: 0 0 8px;
}
.recommend-card-desc {
  color: var(--text-body);
  font-size: 13.5px;
  line-height: 1.7;
  margin: 0;
}
/* topic cards */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.topic-card {
  background: var(--card-white);
  border-radius: 14px;
  padding: 18px 16px;
  box-shadow: var(--shadow-card);
  border-left: 4px solid var(--primary-green);
  transition: all 0.25s ease;
}
.topic-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-left-color: var(--accent-orange);
}
.topic-card-number {
  display: inline-block;
  background: var(--highlight-yellow);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 8px;
}
.topic-card h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--text-main);
  margin: 0 0 6px;
}
.topic-card p {
  color: var(--text-body);
  font-size: 13px;
  line-height: 1.6;
  margin: 0 0 12px;
}
.topic-card-count {
  color: var(--text-muted);
  font-size: 12.5px;
  margin-bottom: 8px;
}
/* subscribe CTA */
.subscribe-card {
  background: var(--primary-dark);
  border-radius: 20px;
  padding: 40px 36px;
  color: #FFFFFF;
  text-align: center;
}
.subscribe-card h2 {
  font-family: var(--font-title);
  color: #FFFFFF;
  font-size: 25px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 12px;
}
.subscribe-card p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14.5px;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 22px;
}
.subscribe-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 520px;
  margin: 0 auto;
}
.subscribe-input {
  flex: 1 1 260px;
  min-height: 46px;
  padding: 11px 16px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  font-size: 14px;
}
.subscribe-input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}
.subscribe-input:focus {
  border-color: var(--accent-orange);
  outline: none;
  background: rgba(255, 255, 255, 0.16);
}
.subscribe-btn {
  min-height: 46px;
  padding: 11px 24px;
  border-radius: 10px;
  background: var(--accent-orange);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 14.5px;
  transition: all 0.25s ease;
}
.subscribe-btn:hover {
  background: var(--accent-orange-hover);
  transform: translateY(-2px);
}
/* FAQ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--card-white);
  border-radius: 14px;
  border: 1px solid var(--border-light);
  transition: border-color 0.2s ease;
}
.faq-item.open {
  border-color: #A9CBB5;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 50px;
  padding: 14px 18px;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  text-align: left;
}
.faq-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--tag-bg);
  color: var(--primary-green);
  font-size: 17px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
}
.faq-item.open .faq-icon {
  background: var(--primary-green);
  color: #FFFFFF;
}
.faq-answer {
  display: none;
  padding: 0 18px 18px;
  color: var(--text-body);
  font-size: 14.5px;
  line-height: 1.8;
}
.faq-item.open .faq-answer {
  display: block;
}
/* load more */
.load-more-wrap {
  text-align: center;
  margin-top: 30px;
}
/* footer */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  line-height: 1.7;
  padding: 48px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.footer-brand-name {
  color: #FFFFFF;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 10px;
}
.footer-brand-desc {
  color: rgba(255, 255, 255, 0.65);
  font-size: 13.5px;
  line-height: 1.8;
  margin: 0;
  max-width: 360px;
}
.footer-title {
  color: #FFFFFF;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 14px;
}
.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13.5px;
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: #FFFFFF;
}
.footer-contact {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13.5px;
  line-height: 1.9;
}
.footer-contact a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: underline;
}
.footer-contact a:hover {
  color: #FFFFFF;
}
.footer-bottom-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 22px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.55);
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}
.footer-legal-links a {
  color: rgba(255, 255, 255, 0.55);
}
.footer-legal-links a:hover {
  color: #FFFFFF;
}
/* responsive */
@media (max-width: 1024px) {
  .article-grid,
  .recommend-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
    --section-pad-desk: 40px;
    --section-pad-mob: 36px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .header-inner {
    gap: 12px;
  }
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--primary-dark);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 20px;
    margin-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-menu-item {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .nav-menu-item::after {
    display: none;
  }
  .header-actions {
    display: none;
  }
  .category-hero {
    padding: 44px 0 40px;
  }
  .category-hero h1 {
    font-size: 28px;
  }
  .category-intro {
    font-size: 15px;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .article-grid,
  .recommend-grid,
  .topic-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .subscribe-card {
    padding: 30px 20px;
  }
}
@media (max-width: 520px) {
  .category-hero h1 {
    font-size: 25px;
  }
  .section-title-wrap h2 {
    font-size: 22px;
  }
}

/* roulang page: category3 */
:root {
            --primary-green: #1E5B34;
            --primary-dark: #0D2A16;
            --accent-orange: #E8751A;
            --accent-orange-hover: #D0640E;
            --accent-light-orange: #FEF0E4;
            --bg-warm: #F7F4EE;
            --card-white: #FFFFFF;
            --text-main: #2E3532;
            --text-body: #4B5550;
            --text-muted: #6D7772;
            --border-light: #E0E4DF;
            --border-input: #D5DAD6;
            --tag-bg: #E8F2EB;
            --tag-text: #1E5B34;
            --highlight-yellow: #F6C344;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 4px;
            --shadow-card: 0 2px 12px rgba(13, 42, 22, 0.05);
            --shadow-card-hover: 0 10px 28px rgba(13, 42, 22, 0.10);
            --container-max: 1200px;
            --font-title: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", "SimHei", system-ui, -apple-system, sans-serif;
            --font-body: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            --nav-height: 68px;
            --section-pad-desk: 80px;
            --section-pad-mob: 48px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--accent-orange);
        }

        a:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 3px;
            border-radius: 2px;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-card);
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-pad-desk);
            padding-bottom: var(--section-pad-desk);
        }

        .section-alt {
            background-color: #FFFFFF;
        }

        .section-mint {
            background-color: #F0F5F1;
        }

        .section-dark {
            background-color: var(--primary-dark);
        }

        .section-title-wrap {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 42px;
        }

        .section-title-wrap h2 {
            color: var(--primary-green);
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 10px;
            font-family: var(--font-title);
        }

        .section-title-wrap .section-sub {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }

        .tag {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--tag-text);
            border-radius: var(--radius-tag);
            padding: 3px 10px;
            font-size: 12.5px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }

        .tag-orange {
            background: #FDEBDD;
            color: #B85A0E;
        }

        .tag-yellow {
            background: #FDF3D7;
            color: #8A6D1D;
        }

        .tag-blue {
            background: #E4EEF5;
            color: #2E5F7A;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent-orange);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(232, 117, 26, 0.32);
        }

        .btn-primary:hover {
            background: var(--accent-orange-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232, 117, 26, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(232, 117, 26, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-orange);
            border: 1.5px solid var(--accent-orange);
        }

        .btn-outline:hover {
            background: var(--accent-light-orange);
            border-color: var(--accent-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 117, 26, 0.18);
            color: var(--accent-orange);
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--primary-dark);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: all 0.3s ease;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent-orange);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 900;
            font-size: 16px;
            line-height: 1;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .logo-text {
            color: #FFFFFF;
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.04em;
            font-family: var(--font-title);
            white-space: nowrap;
        }

        .logo-text:hover {
            color: #FFFFFF;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-wrap: nowrap;
        }

        .nav-menu-item {
            color: rgba(255, 255, 255, 0.82);
            font-size: 14.5px;
            font-weight: 500;
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
            transition: color 0.2s ease;
            letter-spacing: 0.02em;
        }

        .nav-menu-item:hover {
            color: #FFFFFF;
        }

        .nav-menu-item.active {
            color: #FFFFFF;
            font-weight: 700;
        }

        .nav-menu-item.active::after,
        .nav-menu-item:hover::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-orange);
            border-radius: 2px;
            transition: transform 0.25s ease;
        }

        .nav-menu-item:hover::after {
            transform: scaleX(0.6);
        }

        .nav-menu-item.active::after {
            transform: scaleX(1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            transition: background 0.2s ease;
            border: none;
        }

        .header-search-btn:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #FFFFFF;
        }

        .header-login-btn {
            background: transparent;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-btn);
            padding: 8px 18px;
            font-size: 13.5px;
            font-weight: 500;
            min-height: 38px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .header-login-btn:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.8);
            color: #FFFFFF;
        }

        .hamburger-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            color: #FFFFFF;
            font-size: 24px;
            line-height: 1;
            align-items: center;
            justify-content: center;
            border: none;
            flex-shrink: 0;
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-nav-overlay.open {
            display: block;
            opacity: 1;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: var(--primary-dark);
            z-index: 999;
            padding: 16px 24px 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            transform: translateY(-12px);
            opacity: 0;
            transition: all 0.3s ease;
        }

        .mobile-nav-panel.open {
            display: block;
            transform: translateY(0);
            opacity: 1;
        }

        .mobile-nav-item {
            display: flex;
            align-items: center;
            min-height: 48px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0 4px;
        }

        .mobile-nav-item:hover {
            color: #FFFFFF;
        }

        .mobile-nav-item.active {
            color: var(--accent-orange);
            font-weight: 700;
        }

        /* Category Header */
        .cat-header {
            background: var(--primary-dark);
            padding: 120px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .cat-header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(13, 42, 22, 0.92) 0%, rgba(30, 91, 52, 0.72) 60%, rgba(13, 42, 22, 0.88) 100%);
            z-index: 1;
        }

        .cat-header-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 0;
        }

        .cat-header-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            opacity: 0.35;
        }

        .cat-header-content {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.2s ease;
        }

        .breadcrumb-nav a:hover {
            color: #FFFFFF;
        }

        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.35);
        }

        .breadcrumb-current {
            color: var(--accent-orange);
            font-weight: 500;
        }

        .cat-header h1 {
            font-size: 36px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
            line-height: 1.25;
            font-family: var(--font-title);
            letter-spacing: 0.02em;
        }

        .cat-header-desc {
            color: rgba(255, 255, 255, 0.82);
            font-size: 15.5px;
            line-height: 1.85;
            max-width: 720px;
        }

        /* Article Cards */
        .article-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .article-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .article-card-img {
            height: 190px;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            transition: transform 0.4s ease;
        }

        .article-card:hover .article-card-img img {
            transform: scale(1.03);
        }

        .article-card-body {
            padding: 22px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        .article-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 10px;
            font-family: var(--font-title);
        }

        .article-card-title a {
            color: var(--text-main);
            transition: color 0.2s ease;
        }

        .article-card-title a:hover {
            color: var(--accent-orange);
        }

        .article-card-summary {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12.5px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }

        /* Tags Filter */
        .tag-filter-area {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 32px;
            margin-bottom: 0;
        }

        .tag-filter-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            font-family: var(--font-title);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-filter-item {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            background: var(--tag-bg);
            color: var(--tag-text);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            border: 1px solid transparent;
            -webkit-tap-highlight-color: transparent;
        }

        .tag-filter-item:hover {
            border-color: var(--primary-green);
            background: #DDEBE0;
        }

        .tag-filter-item.active-tag {
            background: var(--primary-green);
            color: #FFFFFF;
            border-color: var(--primary-green);
        }

        .tag-filter-item:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
        }

        /* Recommended Cards */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .recommend-card {
            display: flex;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            min-height: 128px;
        }

        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .recommend-card-img {
            width: 120px;
            flex-shrink: 0;
            overflow: hidden;
        }

        .recommend-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

        .recommend-card:hover .recommend-card-img img {
            transform: scale(1.05);
        }

        .recommend-card-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .recommend-card-title {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .recommend-card-title a {
            color: var(--text-main);
        }

        .recommend-card-title a:hover {
            color: var(--accent-orange);
        }

        .recommend-card-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Topic Section */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .topic-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: all 0.3s ease;
            border: 1px solid var(--border-light);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #C8D8CD;
        }

        .topic-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-green);
            margin-bottom: 10px;
            font-family: var(--font-title);
        }

        .topic-card-desc {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .topic-card-count {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* Subscribe CTA */
        .subscribe-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 40px 32px;
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
            border: 2px solid #E8F0EA;
        }

        .subscribe-card h2 {
            color: var(--primary-green);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 10px;
            font-family: var(--font-title);
        }

        .subscribe-card p {
            color: var(--text-muted);
            font-size: 14.5px;
            margin-bottom: 24px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            min-height: 46px;
            padding: 10px 18px;
            border: 1.5px solid var(--border-input);
            border-radius: var(--radius-btn);
            font-size: 15px;
            color: var(--text-main);
            background: #FFFFFF;
            transition: border-color 0.2s ease;
        }

        .subscribe-form input:focus {
            border-color: var(--accent-orange);
            outline: none;
        }

        .subscribe-form .btn {
            min-height: 46px;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-item.open {
            border-color: #CDE0D3;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            min-height: 56px;
            -webkit-tap-highlight-color: transparent;
            background: none;
            width: 100%;
            text-align: left;
            border: none;
        }

        .faq-question-text {
            font-size: 15.5px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
        }

        .faq-question-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: var(--tag-bg);
            color: var(--tag-text);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            transition: all 0.3s ease;
        }

        .faq-item.open .faq-question-icon {
            background: var(--accent-orange);
            color: #FFFFFF;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-body);
            font-size: 14.5px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px;
        }

        /* Pagination */
        .pagination-area {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding-top: 12px;
        }

        .pagination-btn {
            min-width: 42px;
            min-height: 42px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            background: #FFFFFF;
            color: var(--text-main);
            border: 1px solid var(--border-light);
            transition: all 0.2s ease;
            padding: 0 14px;
        }

        .pagination-btn:hover {
            border-color: var(--primary-green);
            color: var(--primary-green);
            background: #F8FBF9;
        }

        .pagination-btn.active-page {
            background: var(--primary-green);
            color: #FFFFFF;
            border-color: var(--primary-green);
        }

        .pagination-btn.active-page:hover {
            background: var(--primary-green);
            color: #FFFFFF;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            padding-bottom: 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 36px;
        }

        .footer-brand-name {
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            font-family: var(--font-title);
        }

        .footer-brand-desc {
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            font-size: 13.5px;
        }

        .footer-title {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
            font-family: var(--font-title);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13.5px;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--accent-orange);
        }

        .footer-contact {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13.5px;
            line-height: 1.8;
        }

        .footer-contact a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: underline;
        }

        .footer-contact a:hover {
            color: var(--accent-orange);
        }

        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-legal-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-legal-links a {
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.2s ease;
        }

        .footer-legal-links a:hover {
            color: rgba(255, 255, 255, 0.85);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }

            .nav-menu {
                gap: 14px;
            }

            .nav-menu-item {
                font-size: 13.5px;
            }

            .header-login-btn {
                padding: 6px 14px;
                font-size: 12.5px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --section-pad-desk: 48px;
                --section-pad-mob: 40px;
            }

            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }

            .cat-header {
                padding: 100px 0 40px;
            }

            .cat-header h1 {
                font-size: 26px;
            }

            .cat-header-desc {
                font-size: 14px;
            }

            .article-card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .recommend-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .recommend-card-img {
                width: 100px;
            }

            .topic-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 24px;
            }

            .footer-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .nav-menu {
                display: none;
            }

            .hamburger-toggle {
                display: flex;
            }

            .header-actions {
                gap: 8px;
            }

            .header-login-btn {
                display: none;
            }

            .subscribe-card {
                padding: 28px 20px;
            }

            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }

            .subscribe-form input {
                width: 100%;
            }

            .tag-filter-area {
                padding: 20px 18px;
            }

            .article-card-img {
                height: 170px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-inner {
                padding-left: 16px;
                padding-right: 16px;
            }

            .logo-text {
                font-size: 16px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }

            .cat-header {
                padding: 90px 0 32px;
            }

            .cat-header h1 {
                font-size: 22px;
            }

            .breadcrumb-nav {
                font-size: 12px;
            }

            .section-title-wrap h2 {
                font-size: 20px;
            }

            .article-card-body {
                padding: 16px 18px 20px;
            }

            .article-card-title {
                font-size: 15px;
            }

            .article-card-summary {
                font-size: 13px;
                -webkit-line-clamp: 2;
            }

            .tag-filter-item {
                padding: 5px 12px;
                font-size: 12px;
            }

            .faq-question {
                padding: 14px 16px;
                min-height: 48px;
            }

            .faq-question-text {
                font-size: 14px;
            }

            .faq-answer {
                font-size: 13.5px;
                padding: 0 16px;
            }

            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }

            .pagination-btn {
                min-width: 36px;
                min-height: 36px;
                font-size: 12.5px;
                padding: 0 10px;
            }

            .recommend-card {
                min-height: 100px;
            }

            .recommend-card-img {
                width: 85px;
            }

            .recommend-card-body {
                padding: 12px 14px;
            }

            .recommend-card-title {
                font-size: 13px;
            }
        }

/* roulang page: category4 */
:root {
            --primary-green: #1E5B34;
            --primary-dark: #0D2A16;
            --accent-orange: #E8751A;
            --accent-orange-hover: #D0640E;
            --accent-light-orange: #FEF0E4;
            --bg-warm: #F7F4EE;
            --card-white: #FFFFFF;
            --text-main: #2E3532;
            --text-body: #4B5550;
            --text-muted: #6D7772;
            --border-light: #E0E4DF;
            --border-input: #D5DAD6;
            --tag-bg: #E8F2EB;
            --tag-text: #1E5B34;
            --highlight-yellow: #F6C344;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 4px;
            --shadow-card: 0 2px 12px rgba(13, 42, 22, 0.05);
            --shadow-card-hover: 0 10px 28px rgba(13, 42, 22, 0.10);
            --container-max: 1200px;
            --font-title: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", "SimHei", system-ui, -apple-system, sans-serif;
            --font-body: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            --nav-height: 68px;
            --section-pad-desk: 48px;
            --section-pad-mob: 40px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--accent-orange);
        }
        a:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 3px;
            border-radius: 2px;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-card);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding-top: var(--section-pad-desk);
            padding-bottom: var(--section-pad-desk);
        }
        .section-alt {
            background-color: #FFFFFF;
        }
        .section-mint {
            background-color: #F0F5F1;
        }
        .section-dark {
            background-color: var(--primary-dark);
        }
        .section-title-wrap {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 42px;
        }
        .section-title-wrap h2 {
            color: var(--primary-green);
        }
        .section-title-wrap .section-sub {
            color: var(--text-muted);
            font-size: 15px;
        }
        .tag {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--tag-text);
            border-radius: var(--radius-tag);
            padding: 3px 10px;
            font-size: 12.5px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }
        .tag-orange {
            background: #FDEBDD;
            color: #B85A0E;
        }
        .tag-yellow {
            background: #FDF3D7;
            color: #8A6D1D;
        }
        .tag-blue {
            background: #E4EEF5;
            color: #2E5F7A;
        }
        .tag-rose {
            background: #F9E8EC;
            color: #A8475A;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent-orange);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(232, 117, 26, 0.32);
        }
        .btn-primary:hover {
            background: var(--accent-orange-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232, 117, 26, 0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(232, 117, 26, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--accent-orange);
            border: 1.5px solid var(--accent-orange);
        }
        .btn-outline:hover {
            background: var(--accent-light-orange);
            border-color: var(--accent-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 117, 26, 0.18);
        }
        .btn-outline-white {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }
        h1, h2, h3, h4 {
            font-family: var(--font-title);
            color: var(--primary-dark);
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 34px;
            margin-bottom: 16px;
        }
        h2 {
            font-size: 24px;
            margin-bottom: 12px;
        }
        h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        /* ---- Header / Navigation ---- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--primary-dark);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .logo-text {
            font-size: 19px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.04em;
            font-family: var(--font-title);
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--highlight-yellow);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-menu-item {
            display: inline-flex;
            align-items: center;
            color: rgba(255, 255, 255, 0.82);
            padding: 10px 12px;
            font-size: 14px;
            border-radius: 8px;
            transition: color 0.2s ease, background 0.2s ease;
            position: relative;
            min-height: 40px;
            white-space: nowrap;
        }
        .nav-menu-item:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-menu-item.active {
            color: #FFFFFF;
        }
        .nav-menu-item.active::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 4px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent-orange);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: all 0.2s ease;
            font-size: 15px;
        }
        .search-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.35);
        }
        .login-btn {
            min-height: 40px;
            padding: 8px 16px;
            border-radius: 8px;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.35);
            font-size: 13px;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        .login-btn:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.6);
            color: #FFFFFF;
        }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: background 0.2s ease;
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        /* Mobile nav */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--primary-dark);
            border-bottom: 2px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
            padding: 16px 20px 20px;
        }
        .mobile-nav-panel .nav-menu-item {
            display: flex;
            width: 100%;
            padding: 12px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-nav-panel .nav-menu-item:last-child {
            border-bottom: none;
        }
        .mobile-nav-panel .nav-menu-item.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-nav-panel .nav-menu-item.active::after {
            display: none;
        }
        /* ---- Category Hero ---- */
        .category-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            padding: 60px 0 50px;
            overflow: hidden;
            background: var(--primary-dark);
            isolation: isolate;
        }
        .category-hero-bg {
            position: absolute;
            inset: 0;
            z-index: -1;
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            opacity: 0.55;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(180deg, rgba(13, 42, 22, 0.35) 0%, rgba(13, 42, 22, 0.65) 60%, rgba(13, 42, 22, 0.85) 100%);
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb-cat {
            display: flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .breadcrumb-cat a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s ease;
        }
        .breadcrumb-cat a:hover {
            color: #FFFFFF;
        }
        .breadcrumb-cat .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .category-hero h1 {
            color: #FFFFFF;
            font-size: clamp(28px, 4vw, 42px);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .category-hero-desc {
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            font-size: 15.5px;
            line-height: 1.8;
            margin-bottom: 6px;
        }
        /* ---- Article List ---- */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.28s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .article-card-img {
            position: relative;
            display: block;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            aspect-ratio: 16/9;
        }
        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }
        .article-card:hover .article-card-img img {
            transform: scale(1.02);
        }
        .article-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .article-card-date {
            color: var(--text-muted);
            font-size: 13px;
            white-space: nowrap;
        }
        .article-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.45;
            margin-bottom: 10px;
            display: block;
            transition: color 0.2s ease;
        }
        .article-card-title:hover {
            color: var(--accent-orange);
        }
        .article-card-desc {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-top: auto;
        }
        /* ---- Tag Cloud ---- */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-cloud .tag {
            padding: 7px 16px;
            font-size: 13.5px;
            border-radius: 20px;
            transition: all 0.2s ease;
            cursor: pointer;
            user-select: none;
        }
        .tag-cloud .tag:hover {
            background: var(--primary-green);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(30, 91, 52, 0.25);
        }
        /* ---- Recommend Cards ---- */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .recommend-card {
            background: var(--card-white);
            border-radius: 14px;
            border: 1px solid var(--border-light);
            padding: 18px 20px;
            transition: all 0.25s ease;
            display: block;
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .recommend-card-title {
            font-weight: 700;
            font-size: 15px;
            color: var(--primary-dark);
            line-height: 1.5;
            margin-bottom: 6px;
            transition: color 0.2s ease;
        }
        .recommend-card:hover .recommend-card-title {
            color: var(--accent-orange);
        }
        .recommend-card-date {
            color: var(--text-muted);
            font-size: 12.5px;
            margin-bottom: 8px;
        }
        .recommend-card-desc {
            color: var(--text-body);
            font-size: 13.5px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        /* ---- Topic Cards ---- */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all 0.28s ease;
            display: block;
            border: 1px solid var(--border-light);
            height: 100%;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .topic-card-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--tag-bg);
            color: var(--primary-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .topic-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }
        .topic-card:hover h3 {
            color: var(--accent-orange);
        }
        .topic-card p {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 10px;
        }
        .topic-card-count {
            color: var(--text-muted);
            font-size: 13px;
        }
        /* ---- Subscribe CTA ---- */
        .subscribe-card {
            background: linear-gradient(135deg, #E8F2EB 0%, #F7F4EE 100%);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            border: 1px solid var(--border-light);
        }
        .subscribe-card-left h2 {
            font-size: 22px;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }
        .subscribe-card-left p {
            color: var(--text-body);
            font-size: 14.5px;
            margin-bottom: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            min-width: 280px;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            min-height: 48px;
            padding: 12px 16px;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-btn);
            background: #FFFFFF;
            color: var(--text-main);
            font-size: 14.5px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--accent-orange);
            box-shadow: 0 0 0 3px rgba(232, 117, 26, 0.15);
        }
        .subscribe-form .btn {
            min-height: 48px;
            padding: 12px 24px;
        }
        /* ---- FAQ ---- */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: 14px;
            overflow: hidden;
            transition: all 0.25s ease;
        }
        .faq-item.open {
            border-color: #B5D5C0;
            box-shadow: 0 4px 16px rgba(30, 91, 52, 0.08);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 15.5px;
            font-weight: 700;
            color: var(--primary-dark);
            text-align: left;
            transition: color 0.2s ease;
            min-height: 52px;
        }
        .faq-question:hover {
            color: var(--accent-orange);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--tag-bg);
            color: var(--primary-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }
        .faq-item.open .faq-icon {
            background: var(--accent-orange);
            color: #FFFFFF;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-body);
            font-size: 14.5px;
            line-height: 1.85;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 20px 20px;
        }
        /* ---- Load More ---- */
        .load-more-area {
            text-align: center;
            padding-top: 16px;
        }
        .load-more-area .btn {
            min-width: 180px;
        }
        /* ---- Footer ---- */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 50px;
            padding-bottom: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            font-family: var(--font-title);
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 340px;
            margin-bottom: 0;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--highlight-yellow);
        }
        .footer-contact {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-legal-links {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-legal-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.2s ease;
        }
        .footer-legal-links a:hover {
            color: #FFFFFF;
        }
        /* ---- Responsive ---- */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-menu-item {
                padding: 8px 8px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
                --section-pad-desk: 32px;
                --section-pad-mob: 28px;
            }
            h1 {
                font-size: 26px;
            }
            h2 {
                font-size: 20px;
            }
            .nav-menu {
                display: none;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .nav-right .login-btn {
                display: none;
            }
            .mobile-nav-panel {
                display: block;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .recommend-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .category-hero {
                min-height: 300px;
                padding: 40px 0 36px;
            }
            .subscribe-card {
                padding: 28px 22px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                width: 100%;
                min-width: auto;
            }
            .subscribe-form input[type="email"] {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-legal-links {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
                white-space: normal;
            }
            .article-card-body {
                padding: 16px 18px;
            }
            .article-card-title {
                font-size: 15.5px;
            }
            .topic-card {
                padding: 18px;
            }
            .subscribe-card {
                padding: 24px 18px;
            }
            .faq-question {
                font-size: 14.5px;
                padding: 15px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category5 */
:root {
            --primary-green: #1E5B34;
            --primary-dark: #0D2A16;
            --accent-orange: #E8751A;
            --accent-orange-hover: #D0640E;
            --accent-light-orange: #FEF0E4;
            --bg-warm: #F7F4EE;
            --card-white: #FFFFFF;
            --text-main: #2E3532;
            --text-body: #4B5550;
            --text-muted: #6D7772;
            --border-light: #E0E4DF;
            --border-input: #D5DAD6;
            --tag-bg: #E8F2EB;
            --tag-text: #1E5B34;
            --highlight-yellow: #F6C344;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 4px;
            --shadow-card: 0 2px 12px rgba(13, 42, 22, 0.05);
            --shadow-card-hover: 0 10px 28px rgba(13, 42, 22, 0.10);
            --container-max: 1200px;
            --font-title: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", "SimHei", system-ui, -apple-system, sans-serif;
            --font-body: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            --nav-height: 68px;
            --section-pad-desk: 72px;
            --section-pad-mob: 44px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--accent-orange);
        }
        a:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 3px;
            border-radius: 2px;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding-top: var(--section-pad-desk);
            padding-bottom: var(--section-pad-desk);
        }
        .section-alt {
            background-color: #FFFFFF;
        }
        .section-mint {
            background-color: #F0F5F1;
        }
        .section-dark {
            background-color: var(--primary-dark);
        }
        .section-title-wrap {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 42px;
        }
        .section-title-wrap h2 {
            color: var(--primary-green);
            font-size: 27px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 10px;
            font-family: var(--font-title);
        }
        .section-title-wrap .section-sub {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }
        .tag {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--tag-text);
            border-radius: var(--radius-tag);
            padding: 3px 10px;
            font-size: 12.5px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }
        .tag-orange {
            background: #FDEBDD;
            color: #B85A0E;
        }
        .tag-yellow {
            background: #FDF3D7;
            color: #8A6D1D;
        }
        .tag-blue {
            background: #E4EEF5;
            color: #2E5F7A;
        }
        .tag-rose {
            background: #F9E8EC;
            color: #A8475A;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent-orange);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(232, 117, 26, 0.32);
        }
        .btn-primary:hover {
            background: var(--accent-orange-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232, 117, 26, 0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(232, 117, 26, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--accent-orange);
            border: 1.5px solid var(--accent-orange);
        }
        .btn-outline:hover {
            background: var(--accent-light-orange);
            border-color: var(--accent-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 117, 26, 0.18);
        }
        .btn-outline-white {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-white {
            background: #FFFFFF;
            color: var(--primary-green);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
        }
        .btn-white:hover {
            background: #F5F7F5;
            color: var(--primary-green);
            transform: translateY(-2px);
        }

        /* Header/Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--primary-dark);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .nav-logo {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .nav-logo::before {
            content: "";
            display: inline-block;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #F6C344 0%, #E8751A 60%, #D0640E 100%);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.18);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: #FFFFFF;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-menu-item {
            color: rgba(255, 255, 255, 0.88);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            padding: 8px 13px;
            border-radius: 8px;
            position: relative;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .nav-menu-item:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu-item.active {
            color: #FFFFFF;
            font-weight: 600;
        }
        .nav-menu-item.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent-orange);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.8);
            background: rgba(255, 255, 255, 0.08);
            transition: all 0.2s ease;
            font-size: 16px;
        }
        .nav-search-icon:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #FFFFFF;
        }
        .nav-login-btn {
            min-height: 38px;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            font-size: 13.5px;
            font-weight: 500;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.45);
            background: transparent;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .nav-login-btn:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.7);
            color: #FFFFFF;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: all 0.2s ease;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #FFFFFF;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: var(--primary-dark);
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
            z-index: 999;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: flex;
            align-items: center;
            min-height: 46px;
            padding: 10px 14px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            transition: all 0.2s ease;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
        }
        .mobile-menu a.active {
            font-weight: 600;
            border-left: 3px solid var(--accent-orange);
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }
        .breadcrumb-wrap .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-wrap a {
            color: var(--text-muted);
            transition: color 0.2s ease;
        }
        .breadcrumb-wrap a:hover {
            color: var(--accent-orange);
        }
        .breadcrumb-sep {
            color: #B0B8B2;
            font-size: 12px;
        }
        .breadcrumb-current {
            color: var(--primary-green);
            font-weight: 500;
        }

        /* Category Header */
        .category-header {
            position: relative;
            background: var(--primary-dark);
            padding: 56px 0 52px;
            overflow: hidden;
        }
        .category-header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/c74656f44786d35d.webp') center/cover no-repeat;
            opacity: 0.22;
            z-index: 0;
        }
        .category-header::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(13, 42, 22, 0.9) 0%, rgba(30, 91, 52, 0.72) 55%, rgba(13, 42, 22, 0.85) 100%);
            z-index: 1;
        }
        .category-header .container {
            position: relative;
            z-index: 2;
        }
        .category-header-inner {
            max-width: 760px;
        }
        .category-header h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 16px;
            font-family: var(--font-title);
            letter-spacing: 0.02em;
        }
        .category-header .category-desc {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.82);
            max-width: 680px;
        }

        /* Article Cards */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(224, 228, 223, 0.5);
        }
        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(30, 91, 52, 0.18);
        }
        .article-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }
        .article-card:hover .article-card-img {
            transform: scale(1.025);
        }
        .article-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-main);
            margin-bottom: 10px;
            font-family: var(--font-title);
            letter-spacing: 0.01em;
        }
        .article-card-title a {
            color: var(--text-main);
        }
        .article-card-title a:hover {
            color: var(--accent-orange);
        }
        .article-card-excerpt {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-body);
            margin-bottom: 16px;
            flex: 1;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .article-card-meta .meta-dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: #B0B8B2;
        }

        /* Tag Filter */
        .tag-filter-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 8px;
        }
        .tag-filter-btn {
            display: inline-flex;
            align-items: center;
            min-height: 38px;
            padding: 7px 18px;
            border-radius: 20px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-body);
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            transition: all 0.2s ease;
            letter-spacing: 0.02em;
        }
        .tag-filter-btn:hover {
            border-color: var(--primary-green);
            color: var(--primary-green);
            background: var(--tag-bg);
        }
        .tag-filter-btn.active {
            background: var(--primary-green);
            border-color: var(--primary-green);
            color: #FFFFFF;
            font-weight: 600;
        }

        /* Recommend Cards */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .recommend-card {
            background: #FFFFFF;
            border-radius: 12px;
            padding: 18px 20px;
            border: 1px solid rgba(224, 228, 223, 0.6);
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(30, 91, 52, 0.2);
        }
        .recommend-card h4 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-main);
            margin-bottom: 6px;
            font-family: var(--font-title);
        }
        .recommend-card h4 a {
            color: var(--text-main);
        }
        .recommend-card h4 a:hover {
            color: var(--accent-orange);
        }
        .recommend-card p {
            font-size: 13.5px;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 8px;
        }
        .recommend-card .rec-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 26px 24px;
            border: 1px solid rgba(224, 228, 223, 0.6);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            text-align: center;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(30, 91, 52, 0.2);
        }
        .topic-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: var(--tag-bg);
            color: var(--primary-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 14px;
            font-weight: 700;
        }
        .topic-card h3 {
            font-size: 16.5px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-main);
            margin-bottom: 8px;
            font-family: var(--font-title);
        }
        .topic-card p {
            font-size: 13.5px;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 10px;
        }
        .topic-card .topic-count {
            font-size: 12.5px;
            color: var(--accent-orange);
            font-weight: 500;
        }

        /* CTA Section */
        .cta-card {
            background: linear-gradient(135deg, #F0F5F1 0%, #E8F2EB 100%);
            border-radius: 20px;
            padding: 48px 40px;
            text-align: center;
            border: 1px solid rgba(30, 91, 52, 0.12);
        }
        .cta-card h2 {
            font-size: 25px;
            font-weight: 700;
            color: var(--primary-green);
            margin-bottom: 10px;
            font-family: var(--font-title);
            line-height: 1.3;
        }
        .cta-card p {
            font-size: 15px;
            color: var(--text-body);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.75;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            justify-content: center;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 240px;
            min-height: 46px;
            padding: 10px 16px;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-btn);
            background: #FFFFFF;
            font-size: 14px;
            color: var(--text-main);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--accent-orange);
            box-shadow: 0 0 0 3px rgba(232, 117, 26, 0.12);
        }
        .subscribe-form input::placeholder {
            color: #A0A8A3;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: 14px;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }
        .faq-item.open {
            border-color: var(--primary-green);
            box-shadow: 0 4px 18px rgba(30, 91, 52, 0.1);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            line-height: 1.5;
            transition: all 0.2s ease;
            min-height: 54px;
        }
        .faq-question:hover {
            color: var(--primary-green);
            background: #FAFCFA;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--tag-bg);
            color: var(--primary-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: all 0.3s ease;
        }
        .faq-item.open .faq-icon {
            background: var(--primary-green);
            color: #FFFFFF;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 280px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--text-body);
            margin: 0;
        }

        /* Pagination */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            margin-top: 36px;
        }
        .btn-load-more {
            min-height: 48px;
            padding: 12px 36px;
            border-radius: var(--radius-btn);
            background: #FFFFFF;
            color: var(--primary-green);
            border: 1.5px solid var(--primary-green);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
        }
        .btn-load-more:hover {
            background: var(--primary-green);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(30, 91, 52, 0.22);
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.78);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand-name {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
            margin-bottom: 0;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: all 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--accent-orange);
            transform: translateX(3px);
        }
        .footer-contact {
            font-size: 13.5px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-contact a {
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-contact a:hover {
            color: var(--accent-orange);
        }
        .footer-bottom-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 18px 0;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-legal-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 12.5px;
        }
        .footer-legal-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.2s ease;
        }
        .footer-legal-links a:hover {
            color: var(--accent-orange);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .nav-menu {
                gap: 0;
            }
            .nav-menu-item {
                padding: 8px 9px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad-desk: 44px;
            }
            body {
                font-size: 14.5px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header {
                height: 58px;
            }
            body {
                padding-top: 58px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-menu {
                display: none;
            }
            .nav-right .nav-login-btn {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .category-header {
                padding: 36px 0 32px;
            }
            .category-header h1 {
                font-size: 27px;
            }
            .category-header .category-desc {
                font-size: 14.5px;
                line-height: 1.75;
            }
            .article-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .recommend-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .section-title-wrap h2 {
                font-size: 22px;
            }
            .cta-card {
                padding: 32px 20px;
                border-radius: 16px;
            }
            .cta-card h2 {
                font-size: 21px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom-bar {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-legal-links {
                justify-content: center;
            }
            .mobile-menu {
                top: 58px;
            }
            .faq-question {
                font-size: 14.5px;
                padding: 15px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }
        @media (max-width: 520px) {
            .tag-filter-wrap {
                gap: 8px;
            }
            .tag-filter-btn {
                padding: 6px 14px;
                font-size: 12.5px;
                min-height: 34px;
            }
            .btn {
                min-height: 42px;
                padding: 10px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category6 */
:root {
            --primary-green: #1E5B34;
            --primary-dark: #0D2A16;
            --accent-orange: #E8751A;
            --accent-orange-hover: #D0640E;
            --accent-light-orange: #FEF0E4;
            --bg-warm: #F7F4EE;
            --card-white: #FFFFFF;
            --text-main: #2E3532;
            --text-body: #4B5550;
            --text-muted: #6D7772;
            --border-light: #E0E4DF;
            --border-input: #D5DAD6;
            --tag-bg: #E8F2EB;
            --tag-text: #1E5B34;
            --highlight-yellow: #F6C344;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 4px;
            --shadow-card: 0 2px 12px rgba(13, 42, 22, 0.05);
            --shadow-card-hover: 0 10px 28px rgba(13, 42, 22, 0.10);
            --container-max: 1200px;
            --font-title: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", "SimHei", system-ui, -apple-system, sans-serif;
            --font-body: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            --nav-height: 68px;
            --section-pad-desk: 80px;
            --section-pad-mob: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--accent-orange);
        }
        a:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 3px;
            border-radius: 2px;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-card);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding-top: var(--section-pad-desk);
            padding-bottom: var(--section-pad-desk);
        }
        .section-alt {
            background-color: #FFFFFF;
        }
        .section-mint {
            background-color: #F0F5F1;
        }
        .section-dark {
            background-color: var(--primary-dark);
        }
        .section-title-wrap {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 42px;
        }
        .section-title-wrap h2 {
            color: var(--primary-green);
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-title-wrap .section-sub {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }
        .tag {
            display: inline-block;
            background: var(--tag-bg);
            color: var(--tag-text);
            border-radius: var(--radius-tag);
            padding: 3px 10px;
            font-size: 12.5px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }
        .tag-orange {
            background: #FDEBDD;
            color: #B85A0E;
        }
        .tag-yellow {
            background: #FDF3D7;
            color: #8A6D1D;
        }
        .tag-blue {
            background: #E4EEF5;
            color: #2E5F7A;
        }
        .tag-rose {
            background: #F9E8EC;
            color: #A8475A;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent-orange);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(232, 117, 26, 0.32);
        }
        .btn-primary:hover {
            background: var(--accent-orange-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232, 117, 26, 0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(232, 117, 26, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--accent-orange);
            border: 1.5px solid var(--accent-orange);
        }
        .btn-outline:hover {
            background: var(--accent-light-orange);
            border-color: var(--accent-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 117, 26, 0.18);
        }
        .btn-outline-white {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-white {
            background: #FFFFFF;
            color: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
        }
        .btn-white:hover {
            background: var(--highlight-yellow);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: var(--primary-dark);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: box-shadow 0.25s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.14);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            width: 100%;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--accent-orange);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0;
        }
        .brand-name {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.04em;
            line-height: 1.2;
        }
        .brand-name a {
            color: #FFFFFF;
        }
        .brand-name a:hover {
            color: var(--highlight-yellow);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-menu-item {
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            padding: 0 14px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 14.5px;
            font-weight: 500;
            letter-spacing: 0.03em;
            position: relative;
            white-space: nowrap;
            transition: color 0.2s ease;
        }
        .nav-menu-item::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 6px;
            height: 2.5px;
            background: var(--accent-orange);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.25s ease;
        }
        .nav-menu-item:hover {
            color: #FFFFFF;
        }
        .nav-menu-item:hover::after,
        .nav-menu-item.active::after {
            transform: scaleX(1);
        }
        .nav-menu-item.active {
            color: #FFFFFF;
            font-weight: 600;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn-header {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s ease;
            font-size: 17px;
        }
        .search-btn-header:hover {
            background: rgba(255, 255, 255, 0.22);
            color: var(--highlight-yellow);
        }
        .login-link-header {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
            min-height: 40px;
            display: inline-flex;
            align-items: center;
            padding: 0 12px;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-btn);
            transition: all 0.2s ease;
        }
        .login-link-header:hover {
            border-color: var(--highlight-yellow);
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 10px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: none;
            cursor: pointer;
            transition: background 0.2s ease;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.18);
        }
        .hamburger span {
            display: block;
            width: 100%;
            height: 2.5px;
            background: #FFFFFF;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* Mobile nav panel */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--primary-dark);
            z-index: 1035;
            padding: 28px 24px 40px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }
        .mobile-nav-panel.open {
            transform: translateX(0);
        }
        .mobile-nav-panel .nav-menu-item {
            display: flex;
            width: 100%;
            min-height: 52px;
            padding: 0 12px;
            font-size: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.85);
        }
        .mobile-nav-panel .nav-menu-item.active {
            color: var(--highlight-yellow);
        }
        .mobile-nav-panel .nav-menu-item::after {
            display: none;
        }
        .mobile-nav-panel .nav-menu-item:hover {
            color: var(--highlight-yellow);
        }
        .mobile-nav-footer {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .mobile-nav-footer .login-link-header {
            justify-content: center;
            width: 100%;
        }

        /* Breadcrumb + category header */
        .breadcrumb-section {
            padding-top: calc(var(--nav-height) + 32px);
            padding-bottom: 16px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-muted);
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li+li::before {
            content: '›';
            color: #B5BDB8;
            font-size: 16px;
            line-height: 1;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--accent-orange);
        }
        .breadcrumb .current {
            color: var(--primary-green);
            font-weight: 600;
        }

        .category-header {
            background: #FFFFFF;
            padding: 40px 0 48px;
            border-bottom: 1px solid var(--border-light);
        }
        .category-header-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .category-header-text h1 {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 18px;
            line-height: 1.25;
            letter-spacing: 0.02em;
        }
        .category-header-text .category-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 0;
        }
        .category-header-image {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            min-height: 260px;
            box-shadow: var(--shadow-card-hover);
        }
        .category-header-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }
        .category-header-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 42, 22, 0.55) 0%, rgba(13, 42, 22, 0.05) 60%);
            border-radius: var(--radius-card);
            pointer-events: none;
        }

        /* Article cards */
        .article-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .article-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .article-card:hover .article-card-img img {
            transform: scale(1.02);
        }
        .article-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
            gap: 10px;
        }
        .article-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text-main);
            margin: 0;
        }
        .article-card-title a {
            color: var(--text-main);
        }
        .article-card-title a:hover {
            color: var(--accent-orange);
        }
        .article-card-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            flex-grow: 1;
            margin: 0;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .article-card-meta .date {
            white-space: nowrap;
        }

        /* Tags filter area */
        .tag-filter-area {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-filter-btn {
            display: inline-flex;
            align-items: center;
            min-height: 38px;
            padding: 6px 18px;
            border-radius: 20px;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .tag-filter-btn:hover {
            border-color: var(--primary-green);
            color: var(--primary-green);
            background: var(--tag-bg);
        }
        .tag-filter-btn.active {
            background: var(--primary-green);
            color: #FFFFFF;
            border-color: var(--primary-green);
        }

        /* Recommended cards small */
        .recommend-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 8px;
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #CBD5CF;
        }
        .recommend-card h3 {
            font-size: 15.5px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text-main);
            margin: 0;
        }
        .recommend-card h3 a {
            color: var(--text-main);
        }
        .recommend-card h3 a:hover {
            color: var(--accent-orange);
        }
        .recommend-card p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
            flex-grow: 1;
        }
        .recommend-card .date {
            font-size: 12.5px;
            color: var(--text-muted);
        }

        /* Topic cards */
        .topic-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 26px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
            height: 100%;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #CBD5CF;
        }
        .topic-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            line-height: 1.4;
        }
        .topic-card h3 a {
            color: var(--text-main);
        }
        .topic-card h3 a:hover {
            color: var(--accent-orange);
        }
        .topic-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
            flex-grow: 1;
        }
        .topic-card .topic-count {
            font-size: 13px;
            color: var(--accent-orange);
            font-weight: 600;
        }

        /* FAQ */
        .faq-item {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 0;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .faq-item.open {
            border-color: var(--primary-green);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 20px 22px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            text-align: left;
            cursor: pointer;
            transition: color 0.2s ease;
            line-height: 1.5;
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--primary-green);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--tag-bg);
            color: var(--primary-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            transition: all 0.25s ease;
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--accent-orange);
            color: #FFFFFF;
            transform: rotate(45deg);
        }
        .faq-answer {
            display: none;
            padding: 0 22px 22px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: linear-gradient(135deg, #F0F5F1 0%, #FEF0E4 100%);
            border-radius: var(--radius-card);
            padding: 44px 36px;
            border: 1px solid var(--border-light);
            text-align: center;
        }
        .subscribe-cta h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }
        .subscribe-cta p {
            font-size: 15px;
            color: var(--text-body);
            margin-bottom: 24px;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 240px;
            min-height: 48px;
            padding: 12px 16px;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-btn);
            font-size: 15px;
            background: #FFFFFF;
            color: var(--text-main);
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .subscribe-form input:focus {
            border-color: var(--accent-orange);
            box-shadow: 0 0 0 3px rgba(232, 117, 26, 0.12);
        }
        .subscribe-form .btn {
            min-height: 48px;
            padding: 12px 28px;
        }
        .subscribe-link-rss {
            margin-top: 16px;
            font-size: 13.5px;
            color: var(--text-muted);
        }
        .subscribe-link-rss a {
            color: var(--primary-green);
            font-weight: 600;
        }
        .subscribe-link-rss a:hover {
            color: var(--accent-orange);
        }

        /* Load more area */
        .load-more-area {
            text-align: center;
            padding-top: 16px;
        }
        .load-more-area .btn {
            min-width: 180px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.72);
            padding-top: 56px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand-name {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-brand-desc {
            font-size: 14.5px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.68);
            max-width: 340px;
            margin: 0;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14.5px;
            transition: color 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--highlight-yellow);
        }
        .footer-contact {
            font-size: 14.5px;
            line-height: 2;
            color: rgba(255, 255, 255, 0.68);
        }
        .footer-contact a {
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-contact a:hover {
            color: var(--highlight-yellow);
        }
        .footer-bottom-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 22px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-legal-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-legal-links a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-legal-links a:hover {
            color: var(--highlight-yellow);
        }
        .footer-legal-links span {
            white-space: nowrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-right .login-link-header {
                display: none;
            }
            .mobile-nav-panel.open {
                display: flex;
            }
            .category-header-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .category-header-image {
                min-height: 220px;
                order: -1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .section {
                padding-top: 56px;
                padding-bottom: 56px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
                --section-pad-desk: 40px;
                --section-pad-mob: 32px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-title-wrap h2 {
                font-size: 22px;
            }
            .category-header-text h1 {
                font-size: 28px;
            }
            .category-header {
                padding: 28px 0 36px;
            }
            .article-card-body {
                padding: 16px 18px 18px;
            }
            .article-card-title {
                font-size: 16px;
            }
            .subscribe-cta {
                padding: 32px 22px;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom-bar {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .footer-legal-links {
                justify-content: center;
            }
            .breadcrumb-section {
                padding-top: calc(var(--nav-height) + 20px);
                padding-bottom: 10px;
            }
            .tag-filter-area {
                gap: 8px;
            }
            .tag-filter-btn {
                min-height: 34px;
                padding: 4px 14px;
                font-size: 13px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px 18px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .brand-name {
                font-size: 18px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .category-header-text h1 {
                font-size: 24px;
            }
            .category-header-image {
                min-height: 180px;
            }
            .section-title-wrap h2 {
                font-size: 20px;
            }
            .article-card-summary {
                font-size: 13.5px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}