/* roulang page: index */
:root {
            --charcoal: #2B1F1A;
            --amber: #C77B3F;
            --amber-dark: #A65D27;
            --amber-light: #F4E3D3;
            --jade: #3E7C6B;
            --warm-bg: #F5F1EA;
            --card-bg: #FFFFFF;
            --text-main: #1C1C1C;
            --text-sub: #6B625A;
            --border-soft: #E8E1D8;
            --shadow-card: 0 2px 12px rgba(43,31,26,0.06);
            --shadow-card-hover: 0 8px 28px rgba(199,123,63,0.18);
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-avatar: 50%;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --font-heading: 'Source Han Sans SC', 'Noto Sans CJK SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, sans-serif;
            --section-space: 64px;
            --section-space-mobile: 44px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--warm-bg);
            color: var(--text-main);
            line-height: 1.85;
            font-size: 15px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--amber);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-space {
            padding: var(--section-space) 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 24px;
            color: var(--charcoal);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .section-sub {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.9;
            margin-bottom: 28px;
        }

        .badge-tag {
            display: inline-block;
            background: var(--amber-light);
            color: var(--amber-dark);
            font-size: 13px;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }

        .card-base {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--amber);
            color: #fff;
            font-weight: 600;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: var(--amber-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(199,123,63,0.3);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--amber);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--amber);
            transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-secondary:hover {
            background: var(--amber-light);
            color: var(--amber-dark);
            transform: translateY(-2px);
        }

        .link-hover-jade:hover {
            color: var(--jade);
        }

        .data-num {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 30px;
            color: var(--amber);
            line-height: 1.2;
        }

        .data-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        .avatar-circle {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-avatar);
            background: var(--amber-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: var(--amber-dark);
            font-size: 15px;
            flex-shrink: 0;
        }

        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 6px 4px;
            transition: color 0.25s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--amber);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
        }

        .mobile-menu {
            display: none;
        }

        .promo-bar {
            background: linear-gradient(90deg, #A65D27, #C77B3F);
            color: #fff;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            font-size: 13px;
            letter-spacing: 0.3px;
        }

        .promo-close {
            background: transparent;
            color: #fff;
            cursor: pointer;
            font-size: 16px;
            padding: 0 4px;
            opacity: 0.85;
            transition: opacity 0.2s;
        }

        .promo-close:hover {
            opacity: 1;
        }

        .main-header {
            background: #fff;
            border-bottom: 1px solid var(--border-soft);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 50;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 17px;
            color: var(--charcoal);
            line-height: 1.3;
            letter-spacing: 0.2px;
        }

        .logo-text span {
            color: var(--amber);
        }

        .search-box {
            background: var(--warm-bg);
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 13px;
            color: var(--text-sub);
            width: 180px;
            transition: border-color 0.25s, box-shadow 0.25s;
        }

        .search-box:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(199,123,63,0.1);
        }

        .hamburger-btn {
            display: none;
            background: transparent;
            cursor: pointer;
            font-size: 22px;
            color: var(--charcoal);
            padding: 4px 8px;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 18px;
            }
            .section-space {
                padding: 52px 0;
            }
            .section-title {
                font-size: 21px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 14px;
            }
            .section-space {
                padding: var(--section-space-mobile) 0;
            }
            .section-title {
                font-size: 19px;
            }
            .desktop-nav-links {
                display: none !important;
            }
            .hamburger-btn {
                display: block;
            }
            .mobile-menu.open {
                display: block !important;
            }
            .promo-bar {
                font-size: 12px;
                height: 32px;
                padding: 0 14px;
            }
            .main-header {
                padding: 10px 0;
            }
            .logo-text {
                font-size: 15px;
            }
            .data-num {
                font-size: 24px;
            }
            .search-box {
                width: 120px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .section-space {
                padding: 40px 0;
            }
            .section-title {
                font-size: 17px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 9px 18px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --charcoal: #2B1F1A;
            --amber: #C77B3F;
            --amber-dark: #A65D27;
            --amber-light: #F4E3D3;
            --jade: #3E7C6B;
            --warm-bg: #F5F1EA;
            --card-bg: #FFFFFF;
            --text-main: #1C1C1C;
            --text-sub: #6B625A;
            --border-soft: #E8E1D8;
            --shadow-card: 0 2px 12px rgba(43,31,26,0.06);
            --shadow-card-hover: 0 8px 28px rgba(199,123,63,0.18);
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-avatar: 50%;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --font-heading: 'Source Han Sans SC', 'Noto Sans CJK SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, sans-serif;
            --section-space: 64px;
            --section-space-mobile: 44px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--warm-bg);
            color: var(--text-main);
            line-height: 1.85;
            font-size: 15px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--amber);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-space {
            padding: var(--section-space) 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 24px;
            color: var(--charcoal);
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .section-sub {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.9;
            margin-bottom: 28px;
        }
        .badge-tag {
            display: inline-block;
            background: var(--amber-light);
            color: var(--amber-dark);
            font-size: 13px;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }
        .card-base {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--amber);
            color: #fff;
            font-weight: 600;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background: var(--amber-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(199,123,63,0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--amber);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--amber);
            transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-secondary:hover {
            background: var(--amber-light);
            color: var(--amber-dark);
            transform: translateY(-2px);
        }
        .data-num {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 30px;
            color: var(--amber);
            line-height: 1.2;
        }
        .data-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 4px;
        }
        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 6px 4px;
            transition: color 0.25s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--amber);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
        }
        .promo-bar {
            background: linear-gradient(90deg, #A65D27, #C77B3F);
            color: #fff;
            font-size: 13px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            position: relative;
            z-index: 60;
        }
        .promo-close {
            background: none;
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            line-height: 1;
            padding: 0 4px;
        }
        .promo-close:hover {
            opacity: 0.8;
        }
        .main-header {
            background: #fff;
            border-bottom: 1px solid var(--border-soft);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 50;
        }
        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 17px;
            color: var(--charcoal);
            line-height: 1.3;
            letter-spacing: 0.2px;
        }
        .logo-text span {
            color: var(--amber);
        }
        .search-box {
            background: var(--warm-bg);
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 13px;
            color: var(--text-sub);
            width: 180px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .search-box:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(199,123,63,0.12);
        }
        .hamburger-btn {
            display: none;
            background: none;
            font-size: 22px;
            color: var(--charcoal);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
        }
        .hamburger-btn:hover {
            background: var(--warm-bg);
        }
        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }
        .desktop-nav-links {
            display: flex;
        }
        .category-banner {
            padding: 48px 0 32px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .filter-chip:hover, .filter-chip.active {
            background: var(--amber);
            border-color: var(--amber);
            color: #fff;
        }
        .article-row {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            margin-bottom: 18px;
            overflow: hidden;
        }
        .article-row:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .article-row:nth-child(even) {
            flex-direction: row-reverse;
        }
        .article-row-img {
            flex-shrink: 0;
            width: 260px;
            height: 170px;
            border-radius: 10px;
            overflow: hidden;
        }
        .article-row-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-row-content {
            flex: 1;
            min-width: 0;
        }
        .article-row-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 18px;
            color: var(--charcoal);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: color 0.25s ease;
        }
        .article-row:hover .article-row-title {
            color: var(--amber);
        }
        .article-row-excerpt {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-row-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: #8A7F74;
            flex-wrap: wrap;
        }
        .article-row-meta i {
            color: var(--jade);
            margin-right: 4px;
        }
        .hot-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--amber) var(--warm-bg);
        }
        .hot-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .hot-scroll::-webkit-scrollbar-track {
            background: var(--warm-bg);
            border-radius: 999px;
        }
        .hot-scroll::-webkit-scrollbar-thumb {
            background: var(--amber);
            border-radius: 999px;
        }
        .hot-card {
            flex: 0 0 240px;
            scroll-snap-align: start;
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .hot-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .hot-card img {
            width: 100%;
            height: 130px;
            object-fit: cover;
        }
        .hot-card-body {
            padding: 12px 16px;
        }
        .hot-card-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--charcoal);
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--text-sub);
            transition: all 0.25s ease;
        }
        .tag-cloud-item:hover {
            background: var(--amber);
            border-color: var(--amber);
            color: #fff;
        }
        .faq-item {
            background: #fff;
            border-radius: 10px;
            margin-bottom: 10px;
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: border-color 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--amber);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 15px;
            color: var(--charcoal);
            cursor: pointer;
            gap: 12px;
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--amber);
        }
        .faq-question i {
            flex-shrink: 0;
            color: var(--amber);
            transition: transform 0.3s ease;
        }
        .faq-answer {
            display: none;
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .cta-strip {
            background: linear-gradient(90deg, var(--amber-dark), var(--amber));
            border-radius: var(--radius-card);
            padding: 28px 32px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .cta-strip-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 20px;
            line-height: 1.5;
        }
        .cta-strip-sub {
            font-size: 13px;
            opacity: 0.9;
            margin-top: 4px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-input {
            flex: 1;
            min-width: 200px;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-btn);
            padding: 10px 16px;
            font-size: 14px;
            color: var(--text-main);
            transition: border-color 0.25s ease;
        }
        .subscribe-input:focus {
            border-color: var(--amber);
        }
        .stats-dark {
            background: var(--charcoal);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            color: #fff;
        }
        .stats-dark .data-num {
            color: var(--amber);
        }
        .stats-dark .data-label {
            color: #B8AFA1;
        }
        .decoration-line {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }
        .decoration-line::before {
            content: '';
            flex: 0 0 36px;
            height: 3px;
            background: var(--amber);
            border-radius: 2px;
        }
        @media (max-width: 1024px) {
            .desktop-nav-links {
                gap: 20px !important;
            }
            .search-box {
                width: 140px;
            }
            .article-row-img {
                width: 200px;
                height: 140px;
            }
        }
        @media (max-width: 768px) {
            .section-space {
                padding: var(--section-space-mobile) 0;
            }
            .section-title {
                font-size: 20px;
            }
            .desktop-nav-links {
                display: none !important;
            }
            .search-box {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .promo-bar {
                font-size: 12px;
                height: 32px;
                padding: 0 16px;
            }
            .article-row, .article-row:nth-child(even) {
                flex-direction: column;
                padding: 14px;
                gap: 12px;
            }
            .article-row-img {
                width: 100%;
                height: 180px;
            }
            .cta-strip {
                flex-direction: column;
                text-align: center;
                padding: 24px 20px;
            }
            .cta-strip-title {
                font-size: 17px;
            }
            .stats-dark {
                padding: 24px 20px;
            }
            .data-num {
                font-size: 22px;
            }
            .category-banner {
                padding: 32px 0 20px;
            }
            .btn-primary, .btn-secondary {
                padding: 10px 18px;
                font-size: 13px;
            }
            .filter-chip {
                font-size: 12px;
                padding: 6px 14px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 14px;
            }
            .article-row-meta {
                gap: 10px;
                font-size: 11px;
            }
            .article-row-title {
                font-size: 16px;
            }
            .hot-card {
                flex: 0 0 200px;
            }
            .cta-strip {
                padding: 20px 16px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-input {
                min-width: 100%;
            }
            .tag-cloud {
                gap: 8px;
            }
            .tag-cloud-item {
                font-size: 12px;
                padding: 5px 12px;
            }
        }

/* roulang page: category1 */
:root {
            --charcoal: #2B1F1A;
            --amber: #C77B3F;
            --amber-dark: #A65D27;
            --amber-light: #F4E3D3;
            --jade: #3E7C6B;
            --warm-bg: #F5F1EA;
            --card-bg: #FFFFFF;
            --text-main: #1C1C1C;
            --text-sub: #6B625A;
            --border-soft: #E8E1D8;
            --shadow-card: 0 2px 12px rgba(43,31,26,0.06);
            --shadow-card-hover: 0 8px 28px rgba(199,123,63,0.18);
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-avatar: 50%;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --font-heading: 'Source Han Sans SC', 'Noto Sans CJK SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, sans-serif;
            --section-space: 64px;
            --section-space-mobile: 44px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--warm-bg);
            color: var(--text-main);
            line-height: 1.85;
            font-size: 15px;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--amber);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-space {
            padding: var(--section-space) 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 24px;
            color: var(--charcoal);
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .section-sub {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.9;
            margin-bottom: 28px;
        }
        .badge-tag {
            display: inline-block;
            background: var(--amber-light);
            color: var(--amber-dark);
            font-size: 13px;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }
        .card-base {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--amber);
            color: #fff;
            font-weight: 600;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background: var(--amber-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(199,123,63,0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--amber);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--amber);
            transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-secondary:hover {
            background: var(--amber-light);
            color: var(--amber-dark);
            transform: translateY(-2px);
        }
        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 6px 4px;
            transition: color 0.25s ease;
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--amber);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
        }
        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }
        .main-header {
            background: #fff;
            border-bottom: 1px solid var(--border-soft);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 50;
        }
        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 17px;
            color: var(--charcoal);
            line-height: 1.3;
            letter-spacing: 0.2px;
        }
        .logo-text span {
            color: var(--amber);
        }
        .promo-bar {
            background: linear-gradient(90deg, var(--amber-dark), var(--amber));
            color: #fff;
            font-size: 13px;
            padding: 8px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 36px;
        }
        .promo-close {
            background: transparent;
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            padding: 0 8px;
            line-height: 1;
            transition: opacity 0.2s ease;
        }
        .promo-close:hover {
            opacity: 0.7;
        }
        .search-box {
            background: var(--warm-bg);
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 13px;
            color: var(--text-sub);
            width: 180px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .search-box:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(199,123,63,0.1);
        }
        .hamburger-btn {
            display: none;
            background: transparent;
            font-size: 22px;
            cursor: pointer;
            color: var(--charcoal);
            padding: 4px 8px;
            transition: color 0.2s ease;
        }
        .hamburger-btn:hover {
            color: var(--amber);
        }
        .category-h1 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 32px;
            color: var(--charcoal);
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .category-hero-bg {
            background: linear-gradient(135deg, rgba(43,31,26,0.92), rgba(43,31,26,0.75)), url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            color: #fff;
            padding: 64px 0 56px;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .category-hero-bg::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--amber), var(--jade), var(--amber));
        }
        .category-hero-bg .category-h1 {
            color: #fff;
        }
        .category-hero-bg .section-sub {
            color: rgba(255,255,255,0.85);
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            background: #fff;
            color: var(--text-sub);
            border: 1px solid var(--border-soft);
            transition: all 0.25s ease;
            cursor: pointer;
        }
        .filter-tag:hover {
            border-color: var(--amber);
            color: var(--amber);
        }
        .filter-tag.active {
            background: var(--amber);
            color: #fff;
            border-color: var(--amber);
        }
        .note-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            border: 1px solid var(--border-soft);
        }
        .note-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--amber-light);
        }
        .note-card .note-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }
        .note-card .note-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .note-card:hover .note-img-wrap img {
            transform: scale(1.03);
        }
        .note-card .note-body {
            padding: 20px 20px 18px;
        }
        .note-card .note-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 17px;
            color: var(--charcoal);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .note-card .note-title a:hover {
            color: var(--amber);
        }
        .note-card .note-summary {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .note-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-sub);
        }
        .note-meta .avatar-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--amber-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--amber-dark);
            font-weight: 700;
            font-size: 13px;
            flex-shrink: 0;
        }
        .note-meta .interact {
            display: flex;
            gap: 12px;
            margin-left: auto;
        }
        .note-meta .interact span {
            display: flex;
            align-items: center;
            gap: 4px;
            cursor: default;
            transition: color 0.2s ease;
        }
        .note-meta .interact span:hover {
            color: var(--jade);
        }
        .hot-scroll-card {
            flex: 0 0 200px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            scroll-snap-align: start;
            border: 1px solid var(--border-soft);
        }
        .hot-scroll-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .hot-scroll-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .hot-scroll-card .hot-body {
            padding: 12px 14px 14px;
        }
        .hot-scroll-card .hot-title {
            font-weight: 600;
            font-size: 14px;
            color: var(--charcoal);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .data-strip {
            background: var(--charcoal);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .data-strip .stat-item {
            text-align: center;
        }
        .data-strip .stat-num {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 36px;
            color: var(--amber);
            line-height: 1.2;
        }
        .data-strip .stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            margin-top: 6px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .cloud-tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            background: #fff;
            color: var(--text-main);
            border: 1px solid var(--border-soft);
            transition: all 0.25s ease;
            cursor: pointer;
        }
        .tag-cloud .cloud-tag:hover {
            background: var(--amber-light);
            border-color: var(--amber);
            color: var(--amber-dark);
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            overflow: hidden;
            margin-bottom: 12px;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--amber-light);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 15px;
            color: var(--charcoal);
            background: transparent;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color 0.25s ease;
        }
        .faq-question:hover {
            color: var(--amber);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform 0.35s ease;
            color: var(--amber);
            font-size: 16px;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.85;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .cta-banner {
            background: linear-gradient(135deg, var(--amber-dark), var(--amber));
            border-radius: var(--radius-card);
            padding: 40px 36px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-banner .cta-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 22px;
            line-height: 1.4;
        }
        .cta-banner .cta-desc {
            font-size: 14px;
            color: rgba(255,255,255,0.85);
            margin-top: 6px;
        }
        .cta-banner .btn-light {
            background: #fff;
            color: var(--amber-dark);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
            cursor: pointer;
            letter-spacing: 0.3px;
            flex-shrink: 0;
        }
        .cta-banner .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0,0,0,0.15);
            background: #fff;
        }
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--amber);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--amber);
            transition: all 0.25s ease;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .load-more-btn:hover {
            background: var(--amber-light);
            color: var(--amber-dark);
            transform: translateY(-2px);
        }
        .content-grid-2col {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .search-box {
                width: 140px;
            }
            .desktop-nav-links {
                gap: 20px !important;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                padding: 28px 24px;
            }
            .data-strip .stat-num {
                font-size: 28px;
            }
        }
        @media (max-width: 768px) {
            .nav-link {
                font-size: 13px;
            }
            .search-box {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .desktop-nav-links {
                display: none !important;
            }
            .btn-primary.hidden {
                display: none !important;
            }
            .category-hero-bg {
                padding: 40px 0 36px;
            }
            .category-h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 20px;
            }
            .content-grid-2col {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .cta-banner {
                flex-direction: column;
                text-align: center;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 22px 18px;
            }
            .data-strip .stat-num {
                font-size: 24px;
            }
            .section-space {
                padding: var(--section-space-mobile) 0;
            }
            .container {
                padding: 0 16px;
            }
            .promo-bar {
                font-size: 11px;
                padding: 6px 16px;
                min-height: 32px;
            }
        }
        @media (max-width: 520px) {
            .category-h1 {
                font-size: 20px;
            }
            .section-title {
                font-size: 18px;
            }
            .note-card .note-title {
                font-size: 15px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-strip .stat-num {
                font-size: 22px;
            }
            .filter-tag {
                padding: 5px 14px;
                font-size: 12px;
            }
            .tag-cloud .cloud-tag {
                padding: 6px 14px;
                font-size: 12px;
            }
            .hot-scroll-card {
                flex: 0 0 160px;
            }
        }