/* roulang page: index */
:root {
        --primary: #0F3D2E;
        --accent: #C8963E;
        --bg: #F6F4EC;
        --surface: #FFFFFF;
        --text: #1E2321;
        --muted: #6B726E;
        --line: #E5E0D6;
        --radius-sm: 6px;
        --radius: 8px;
        --radius-lg: 16px;
        --shadow: 0 2px 8px rgba(15, 61, 46, 0.06);
        --shadow-lg: 0 8px 20px rgba(15, 61, 46, 0.12);
        --section-space: 96px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        background: var(--bg);
        color: var(--text);
        line-height: 1.75;
        font-size: 16px;
    }

    a {
        color: var(--primary);
        text-decoration: none;
        transition: color .2s ease;
    }

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

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

    .container {
        max-width: 1200px;
        padding-left: 24px;
        padding-right: 24px;
    }

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

    .section-title {
        font-size: 32px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 12px;
        line-height: 1.3;
    }

    .section-sub {
        font-size: 16px;
        color: var(--muted);
        margin-bottom: 48px;
        max-width: 720px;
    }

    .text-accent {
        color: var(--accent);
    }

    /* 按钮 */
    .btn {
        border-radius: var(--radius-sm);
        font-weight: 600;
        padding: 12px 28px;
        transition: all .2s ease;
    }

    .btn:focus,
    .btn:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 3px;
        box-shadow: none;
    }

    .btn-accent {
        background: var(--accent);
        color: var(--primary);
        border: none;
        font-weight: 800;
        height: 44px;
        line-height: 44px;
        padding: 0 28px;
        border-radius: var(--radius-sm);
    }

    .btn-accent:hover {
        background: #d4a34d;
        color: var(--primary);
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(200, 150, 62, .3);
    }

    .btn-accent:active {
        transform: translateY(0);
        box-shadow: 0 2px 6px rgba(200, 150, 62, .3);
    }

    .btn-outline-light {
        background: transparent;
        color: #fff;
        border: 2px solid rgba(255, 255, 255, .8);
        font-weight: 600;
        height: 44px;
        line-height: 40px;
        padding: 0 28px;
        border-radius: var(--radius-sm);
    }

    .btn-outline-light:hover {
        background: rgba(255, 255, 255, .15);
        color: #fff;
        border-color: #fff;
    }

    .btn-outline-green {
        background: transparent;
        border: 2px solid var(--primary);
        color: var(--primary);
        font-weight: 600;
        height: 44px;
        line-height: 40px;
        padding: 0 28px;
        border-radius: var(--radius-sm);
    }

    .btn-outline-green:hover {
        background: rgba(15, 61, 46, .05);
        color: var(--primary);
        border-color: var(--primary);
    }

    /* 导航 */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: transparent;
        transition: background .3s ease, box-shadow .3s ease;
        padding: 10px 0;
    }

    .site-header.scrolled {
        background: var(--primary);
        box-shadow: 0 4px 16px rgba(15, 61, 46, .25);
    }

    .site-header .navbar {
        padding: 0;
    }

    .site-header .navbar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.55rem;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: .5px;
        transition: color .3s;
    }

    .site-header.scrolled .navbar-brand {
        color: #fff;
    }

    .brand-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: var(--primary);
        color: var(--accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    .site-header.scrolled .brand-icon {
        background: var(--accent);
        color: var(--primary);
    }

    .site-header .nav-link {
        color: var(--primary);
        font-weight: 500;
        margin: 0 18px;
        padding: 8px 0;
        position: relative;
        font-size: 16px;
        transition: color .3s;
    }

    .site-header.scrolled .nav-link {
        color: rgba(255, 255, 255, .88);
    }

    .site-header .nav-link::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--accent);
        transition: width .25s ease;
    }

    .site-header .nav-link:hover::after,
    .site-header .nav-link.active::after {
        width: 100%;
    }

    .site-header .nav-link.active {
        font-weight: 700;
        color: var(--primary);
    }

    .site-header.scrolled .nav-link.active {
        color: #fff;
    }

    .nav-cta .btn-accent {
        height: 40px;
        line-height: 40px;
        padding: 0 22px;
        font-size: 15px;
    }

    .navbar-toggler {
        border: none;
        padding: 4px 8px;
    }

    .navbar-toggler:focus {
        box-shadow: none;
        outline: 2px solid var(--accent);
        border-radius: 4px;
    }

    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%230F3D2E' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

    .site-header.scrolled .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23ffffff' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

    .navbar-collapse {
        background: transparent;
    }

    @media (max-width: 991.98px) {
        .navbar-collapse {
            background: var(--primary);
            border-radius: 12px;
            padding: 20px 24px;
            margin-top: 12px;
            box-shadow: 0 8px 24px rgba(15, 61, 46, .2);
        }

        .site-header .navbar-brand {
            font-size: 1.3rem;
        }

        .site-header .nav-link {
            color: rgba(255, 255, 255, .9);
            padding: 12px 0;
            margin: 0;
            font-size: 15px;
        }

        .site-header .nav-link::after {
            display: none;
        }

        .site-header .nav-link.active {
            color: var(--accent);
        }

        .nav-cta {
            margin-top: 16px;
        }

        .nav-cta .btn-accent {
            width: 100%;
        }
    }

    /* Hero */
    .hero-section {
        position: relative;
        padding: 180px 0 100px;
        background: var(--bg);
        overflow: hidden;
    }

    .hero-content h1 {
        font-size: 42px;
        line-height: 1.3;
        font-weight: 800;
        color: var(--primary);
        margin-bottom: 20px;
    }

    .hero-content .hero-sub {
        font-size: 18px;
        color: var(--muted);
        line-height: 1.7;
        margin-bottom: 32px;
        max-width: 520px;
    }

    .hero-btns {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        margin-bottom: 48px;
    }

    .hero-stats {
        display: flex;
        gap: 40px;
        flex-wrap: wrap;
    }

    .hero-stat {
        text-align: left;
    }

    .hero-stat .num {
        font-family: "Oswald", "Barlow Condensed", sans-serif;
        font-size: 36px;
        font-weight: 700;
        color: var(--primary);
        line-height: 1.1;
    }

    .hero-stat .label {
        font-size: 13px;
        color: var(--muted);
        margin-top: 4px;
    }

    .hero-stat .gold-line {
        width: 28px;
        height: 2px;
        background: var(--accent);
        margin-top: 8px;
    }

    .hero-visual {
        position: relative;
        min-height: 460px;
        border-radius: 20px;
        background: linear-gradient(135deg, rgba(15, 61, 46, .1), rgba(15, 61, 46, .3)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        box-shadow: var(--shadow-lg);
        overflow: hidden;
    }

    .hero-visual::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(160deg, rgba(15, 61, 46, .1) 20%, rgba(15, 61, 46, .35) 100%);
    }

    .float-tag {
        position: absolute;
        z-index: 2;
        background: rgba(255, 255, 255, .88);
        backdrop-filter: blur(6px);
        color: var(--primary);
        font-weight: 700;
        font-size: 14px;
        padding: 8px 18px;
        border-radius: 40px;
        box-shadow: 0 4px 12px rgba(15, 61, 46, .15);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .float-tag i {
        color: var(--accent);
    }

    .float-tag-1 {
        top: 24%;
        left: 8%;
    }

    .float-tag-2 {
        bottom: 22%;
        right: 10%;
    }

    @media (max-width: 991.98px) {
        .hero-section {
            padding: 140px 0 70px;
        }

        .hero-visual {
            min-height: 320px;
            margin-top: 40px;
        }

        .hero-content h1 {
            font-size: 32px;
        }

        .hero-stats {
            gap: 24px;
        }
    }

    @media (max-width: 575.98px) {
        .hero-visual {
            min-height: 220px;
        }

        .hero-content h1 {
            font-size: 28px;
        }

        .hero-btns .btn {
            width: 100%;
        }

        .hero-stat .num {
            font-size: 28px;
        }
    }

    /* 品牌主张 */
    .brand-claim {
        background: var(--primary);
        padding: 72px 0;
        text-align: center;
        color: #fff;
    }

    .brand-claim .claim-title {
        font-size: 28px;
        font-weight: 800;
        margin-bottom: 12px;
        letter-spacing: 1px;
    }

    .brand-claim .claim-sub {
        font-size: 16px;
        color: rgba(255, 255, 255, .75);
        max-width: 640px;
        margin: 0 auto;
    }

    @media (max-width: 575.98px) {
        .brand-claim {
            padding: 48px 0;
        }

        .brand-claim .claim-title {
            font-size: 24px;
        }
    }

    /* 故事区 */
    .story-section {
        padding: var(--section-space) 0;
        background: var(--surface);
    }

    .story-media {
        position: relative;
        border-radius: 20px;
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        height: 100%;
        min-height: 380px;
    }

    .story-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .story-media::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 55%, rgba(15, 61, 46, .25));
        pointer-events: none;
    }

    .story-body {
        padding-left: 24px;
    }

    .story-body .story-tags {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
        margin-bottom: 20px;
    }

    .story-body .tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: #F5EBDC;
        color: #8A6A2F;
        font-size: 13px;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 20px;
    }

    .story-body h2 {
        font-size: 28px;
        color: var(--primary);
        font-weight: 700;
        line-height: 1.4;
        margin-bottom: 18px;
    }

    .story-body p {
        color: var(--muted);
        font-size: 16px;
        line-height: 1.75;
        margin-bottom: 18px;
    }

    .story-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-weight: 600;
        color: var(--primary);
        margin-top: 8px;
    }

    .story-link i {
        transition: transform .2s ease;
    }

    .story-link:hover i {
        transform: translateX(4px);
    }

    @media (max-width: 991.98px) {
        .story-body {
            padding-left: 0;
            margin-top: 32px;
        }

        .story-media {
            min-height: 280px;
        }
    }

    /* 最新资讯 */
    .news-section {
        padding: var(--section-space) 0;
        background: var(--bg);
    }

    .news-card {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        overflow: hidden;
        height: 100%;
        transition: box-shadow .2s ease, transform .2s ease;
        display: flex;
        flex-direction: column;
    }

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

    .news-thumb {
        height: 180px;
        overflow: hidden;
        background: #E5E0D6;
        position: relative;
    }

    .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .3s ease;
    }

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

    .news-thumb .thumb-fallback {
        position: absolute;
        inset: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        font-weight: 700;
        color: rgba(15, 61, 46, .5);
        background: #E5E0D6;
    }

    .news-body {
        padding: 24px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .news-meta-top {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 12px;
        gap: 8px;
        flex-wrap: wrap;
    }

    .badge-tag {
        display: inline-block;
        background: #F5EBDC;
        color: #8A6A2F;
        font-size: 12px;
        font-weight: 600;
        padding: 3px 12px;
        border-radius: 20px;
        line-height: 1.5;
    }

    .news-date {
        font-size: 13px;
        color: var(--muted);
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }

    .news-title {
        font-size: 18px;
        font-weight: 600;
        color: var(--text);
        line-height: 1.5;
        margin-bottom: 10px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-summary {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.65;
        margin-bottom: 18px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        flex: 1;
    }

    .news-link {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .news-link i {
        transition: transform .2s ease;
    }

    .news-link:hover i {
        transform: translateX(4px);
    }

    .news-empty {
        background: var(--surface);
        border: 1px dashed var(--line);
        border-radius: var(--radius);
        padding: 60px 24px;
        text-align: center;
        color: var(--muted);
    }

    .news-empty i {
        font-size: 40px;
        color: var(--accent);
        margin-bottom: 16px;
        display: block;
    }

    .news-empty p {
        margin-bottom: 0;
        font-size: 16px;
    }

    /* 数据统计 */
    .stats-section {
        background: var(--primary);
        padding: 72px 0;
        color: #fff;
    }

    .stats-section .section-title {
        color: #fff;
    }

    .stat-box {
        text-align: center;
        padding: 24px 12px;
    }

    .stat-box .stat-num {
        font-family: "Oswald", "Barlow Condensed", sans-serif;
        font-size: 52px;
        font-weight: 700;
        color: var(--accent);
        line-height: 1.1;
    }

    .stat-box .stat-label {
        font-size: 14px;
        color: rgba(255, 255, 255, .75);
        margin-top: 8px;
        letter-spacing: 1px;
    }

    .stat-box .stat-line {
        width: 32px;
        height: 2px;
        background: var(--accent);
        margin: 12px auto 0;
        border-radius: 2px;
    }

    .stats-section .section-sub {
        color: rgba(255, 255, 255, .7);
    }

    @media (max-width: 575.98px) {
        .stat-box .stat-num {
            font-size: 36px;
        }
    }

    /* FAQ */
    .faq-section {
        padding: var(--section-space) 0;
        background: var(--surface);
    }

    .accordion-item {
        background: var(--surface);
        border: 1px solid var(--line) !important;
        border-radius: var(--radius) !important;
        margin-bottom: 14px;
        overflow: hidden;
    }

    .accordion-button {
        background: var(--surface);
        color: var(--text);
        font-weight: 600;
        font-size: 16px;
        padding: 20px 24px;
        box-shadow: none !important;
        gap: 12px;
    }

    .accordion-button:not(.collapsed) {
        background: #EEF3EF;
        color: var(--primary);
    }

    .accordion-button:focus {
        box-shadow: none;
        outline: 2px solid var(--accent);
        outline-offset: -2px;
    }

    .accordion-button::after {
        background-image: none;
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        content: "\f078";
        color: var(--primary);
        font-size: 14px;
        transition: transform .2s ease;
    }

    .accordion-button:not(.collapsed)::after {
        transform: rotate(180deg);
        background-image: none;
    }

    .accordion-body {
        padding: 0 24px 20px;
        color: var(--muted);
        font-size: 15px;
        line-height: 1.75;
        background: var(--surface);
        border-top: 1px solid var(--line);
    }

    .accordion-body .faq-q-mark {
        color: var(--accent);
        font-weight: 700;
        margin-right: 4px;
    }

    .faq-note {
        margin-top: 32px;
        padding: 20px 24px;
        background: #F5EBDC;
        border-radius: var(--radius);
        font-size: 14px;
        color: #8A6A2F;
        display: flex;
        gap: 10px;
        align-items: flex-start;
    }

    /* CTA订阅 */
    .cta-section {
        padding: var(--section-space) 0;
        background: linear-gradient(135deg, var(--primary) 0%, #14523D 100%);
        color: #fff;
    }

    .cta-inner {
        max-width: 620px;
        margin: 0 auto;
        text-align: center;
    }

    .cta-inner h2 {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 12px;
    }

    .cta-inner p {
        color: rgba(255, 255, 255, .75);
        font-size: 16px;
        margin-bottom: 32px;
    }

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

    .cta-form .form-control {
        height: 48px;
        border-radius: var(--radius-sm);
        border: 1px solid #D8D2C6;
        padding: 0 18px;
        font-size: 15px;
        background: #fff;
        color: var(--text);
        flex: 1;
        min-width: 200px;
    }

    .cta-form .form-control:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(200, 150, 62, .25);
    }

    .cta-form .btn-accent {
        height: 48px;
        line-height: 48px;
        padding: 0 28px;
        font-size: 15px;
    }

    .cta-tip {
        font-size: 13px;
        color: rgba(255, 255, 255, .6);
        margin-top: 16px;
    }

    .cta-tip.success {
        color: #7fd0a8;
    }

    .cta-tip.error {
        color: #e88b76;
    }

    @media (max-width: 575.98px) {
        .cta-form {
            flex-direction: column;
        }

        .cta-form .btn-accent {
            width: 100%;
        }
    }

    /* 页脚 */
    .site-footer {
        background: var(--primary);
        color: rgba(255, 255, 255, .7);
        padding: 72px 0 32px;
        font-size: 14px;
    }

    .site-footer .footer-brand {
        font-size: 22px;
        font-weight: 800;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 16px;
    }

    .site-footer .footer-brand .brand-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .site-footer p {
        line-height: 1.7;
        margin-bottom: 12px;
        font-size: 14px;
    }

    .site-footer h5 {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 18px;
        position: relative;
        padding-bottom: 10px;
    }

    .site-footer h5::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 28px;
        height: 2px;
        background: var(--accent);
    }

    .site-footer .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .site-footer .footer-links li {
        margin-bottom: 10px;
    }

    .site-footer .footer-links a {
        color: rgba(255, 255, 255, .7);
        transition: color .2s ease, padding-left .2s ease;
    }

    .site-footer .footer-links a:hover {
        color: var(--accent);
        padding-left: 4px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .12);
        margin-top: 56px;
        padding-top: 24px;
        text-align: center;
        font-size: 13px;
        color: rgba(255, 255, 255, .5);
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, .7);
    }

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

    /* prefers reduced motion */
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation: none !important;
            transition: none !important;
            scroll-behavior: auto !important;
        }
    }

    /* 通用间距 */
    .mb-16 {
        margin-bottom: 16px;
    }

    .mt-16 {
        margin-top: 16px;
    }

    @media (max-width: 767.98px) {
        .section-pad {
            padding: 64px 0;
        }

        .section-title {
            font-size: 26px;
        }
    }

/* roulang page: category1 */
:root {
        --primary: #0F3D2E;
        --primary-dark: #0A2B20;
        --primary-light: #1A5C44;
        --accent: #C8963E;
        --accent-dark: #A87A2F;
        --accent-light: #F5EBDC;
        --bg: #F6F4EC;
        --surface: #FFFFFF;
        --text: #1E2321;
        --muted: #6B726E;
        --line: #E5E0D6;
        --radius: 8px;
        --shadow: 0 2px 8px rgba(15, 61, 46, 0.06);
        --shadow-lg: 0 8px 20px rgba(15, 61, 46, 0.12);
        --section-space: 96px;
        --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --font-display: "Barlow Condensed", "Oswald", sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-family);
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        font-size: 16px;
        overflow-x: hidden;
    }

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

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

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

    .container {
        max-width: 1200px;
    }

    /* ===== Header / Nav ===== */
    .site-header {
        position: sticky;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1050;
        background: rgba(15, 61, 46, 0.92);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transition: background 0.3s ease, box-shadow 0.3s ease;
    }

    .site-header.scrolled {
        background: rgba(15, 61, 46, 0.98);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
    }

    .site-header .navbar {
        padding: 0;
        min-height: 72px;
    }

    .navbar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 700;
        color: #FFFFFF;
        letter-spacing: 0.02em;
    }

    .navbar-brand:hover {
        color: #FFFFFF;
    }

    .brand-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: var(--accent);
        color: var(--primary);
        border-radius: 8px;
        font-size: 16px;
        flex-shrink: 0;
    }

    .navbar-nav .nav-link {
        color: rgba(255, 255, 255, 0.85);
        font-size: 15px;
        font-weight: 500;
        padding: 8px 16px !important;
        position: relative;
        transition: color 0.2s ease;
    }

    .navbar-nav .nav-link::after {
        content: "";
        position: absolute;
        bottom: 2px;
        left: 16px;
        right: 16px;
        height: 2px;
        background: var(--accent);
        transform: scaleX(0);
        transform-origin: left center;
        transition: transform 0.3s ease;
    }

    .navbar-nav .nav-link:hover::after,
    .navbar-nav .nav-link.active::after {
        transform: scaleX(1);
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        color: #FFFFFF;
    }

    .nav-cta .btn-accent {
        margin-left: 12px;
    }

    .navbar-toggler {
        border: 1px solid rgba(255, 255, 255, 0.4);
        padding: 6px 10px;
        border-radius: 6px;
    }

    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.5);
    }

    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
    }

    /* ===== Buttons ===== */
    .btn {
        height: 44px;
        padding: 0 24px;
        border-radius: 6px;
        font-size: 15px;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: none;
        transition: all 0.2s ease;
        line-height: 1;
    }

    .btn:focus {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
        box-shadow: none;
    }

    .btn-accent {
        background: var(--accent);
        color: var(--primary);
        font-weight: 700;
    }

    .btn-accent:hover {
        background: var(--accent-dark);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(200, 150, 62, 0.35);
    }

    .btn-primary-btn {
        background: var(--primary);
        color: #FFFFFF;
    }

    .btn-primary-btn:hover {
        background: var(--primary-light);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(15, 61, 46, 0.3);
    }

    .btn-outline-btn {
        background: transparent;
        border: 2px solid rgba(255, 255, 255, 0.7);
        color: #FFFFFF;
    }

    .btn-outline-btn:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: #FFFFFF;
        color: #FFFFFF;
    }

    .btn-outline-dark {
        background: transparent;
        border: 2px solid var(--primary);
        color: var(--primary);
    }

    .btn-outline-dark:hover {
        background: rgba(15, 61, 46, 0.05);
        border-color: var(--primary);
        color: var(--primary);
    }

    /* ===== Category Hero ===== */
    .category-hero {
        background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 55%, #1D6B4E 100%);
        padding: 48px 0 56px;
        position: relative;
        overflow: hidden;
    }

    .category-hero::before {
        content: "";
        position: absolute;
        right: -60px;
        top: -60px;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: rgba(200, 150, 62, 0.12);
    }

    .category-hero::after {
        content: "";
        position: absolute;
        right: 180px;
        bottom: -90px;
        width: 220px;
        height: 220px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.05);
    }

    .category-hero .container {
        position: relative;
        z-index: 2;
    }

    .category-hero .hero-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(200, 150, 62, 0.2);
        color: var(--accent);
        padding: 6px 16px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 16px;
        letter-spacing: 0.04em;
    }

    .category-hero h1 {
        color: #FFFFFF;
        font-size: 34px;
        font-weight: 700;
        margin-bottom: 14px;
        line-height: 1.25;
    }

    .category-hero p.lead {
        color: rgba(255, 255, 255, 0.82);
        font-size: 16px;
        max-width: 640px;
        margin-bottom: 24px;
        line-height: 1.7;
    }

    .hero-stats {
        display: flex;
        flex-wrap: wrap;
        gap: 28px;
    }

    .hero-stats .stat-item {
        display: flex;
        flex-direction: column;
    }

    .hero-stats .stat-num {
        font-family: var(--font-display);
        font-size: 30px;
        font-weight: 700;
        color: var(--accent);
        line-height: 1.2;
    }

    .hero-stats .stat-text {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.7);
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-bar {
        padding: 18px 0;
        background: var(--bg);
        border-bottom: 1px solid var(--line);
    }

    .breadcrumb-bar .breadcrumb {
        margin: 0;
        font-size: 13px;
    }

    .breadcrumb-bar .breadcrumb a {
        color: var(--muted);
    }

    .breadcrumb-bar .breadcrumb a:hover {
        color: var(--primary);
    }

    .breadcrumb-bar .breadcrumb-item.active {
        color: var(--primary);
        font-weight: 500;
    }

    /* ===== Main Content Layout ===== */
    .category-main {
        padding: var(--section-space) 0;
        background: var(--bg);
    }

    .category-main .section-heading {
        margin-bottom: 36px;
    }

    .category-main .section-heading h2 {
        font-size: 24px;
        font-weight: 700;
        color: var(--primary);
        position: relative;
        padding-bottom: 12px;
        display: inline-block;
        margin-bottom: 8px;
    }

    .category-main .section-heading h2::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 48px;
        height: 3px;
        background: var(--accent);
        border-radius: 2px;
    }

    .category-main .section-heading p {
        color: var(--muted);
        font-size: 14px;
        margin-bottom: 0;
    }

    /* ===== Post List ===== */
    .post-list-card {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 28px;
        margin-bottom: 24px;
        transition: box-shadow 0.2s ease, transform 0.2s ease;
        display: flex;
        gap: 20px;
        align-items: flex-start;
    }

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

    .post-list-card .post-thumb {
        width: 132px;
        height: 96px;
        border-radius: 6px;
        overflow: hidden;
        flex-shrink: 0;
        background: var(--line);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        color: var(--muted);
        font-weight: 600;
    }

    .post-list-card .post-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s ease;
    }

    .post-list-card:hover .post-thumb img {
        transform: scale(1.04);
    }

    .post-list-card .post-content {
        flex: 1;
    }

    .post-list-card .cat-badge {
        display: inline-block;
        background: var(--accent-light);
        color: #8A6A2F;
        font-size: 12px;
        font-weight: 600;
        padding: 3px 12px;
        border-radius: 20px;
        margin-bottom: 8px;
    }

    .post-list-card h3 {
        font-size: 17px;
        font-weight: 600;
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .post-list-card h3 a {
        color: var(--text);
        transition: color 0.2s ease;
    }

    .post-list-card h3 a:hover {
        color: var(--primary);
    }

    .post-list-card p {
        font-size: 14px;
        color: var(--muted);
        margin-bottom: 10px;
        line-height: 1.65;
    }

    .post-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        font-size: 12px;
        color: #9A9F9C;
    }

    .post-meta i {
        margin-right: 3px;
        font-size: 13px;
    }

    .read-more {
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        text-decoration: underline;
        text-underline-offset: 4px;
    }

    .read-more:hover {
        color: var(--accent-dark);
    }

    /* ===== Sidebar ===== */
    .sidebar-widget {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 24px;
        margin-bottom: 28px;
    }

    .sidebar-widget h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 18px;
        position: relative;
        padding-bottom: 10px;
    }

    .sidebar-widget h4::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 32px;
        height: 2px;
        background: var(--accent);
    }

    .tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .tag-item {
        display: inline-block;
        background: var(--accent-light);
        color: #8A6A2F;
        font-size: 13px;
        padding: 5px 14px;
        border-radius: 20px;
        transition: all 0.2s ease;
        font-weight: 500;
    }

    .tag-item:hover {
        background: var(--primary);
        color: #FFFFFF;
    }

    .sidebar-about {
        text-align: left;
    }

    .sidebar-about .about-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        background: var(--primary);
        color: var(--accent);
        border-radius: 12px;
        font-size: 20px;
        margin-bottom: 14px;
    }

    .sidebar-about p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.7;
        margin-bottom: 12px;
    }

    .sidebar-subscribe .input-group {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .sidebar-subscribe .form-control {
        height: 44px;
        border: 1px solid #D8D2C6;
        border-radius: 6px;
        padding: 0 14px;
        font-size: 14px;
        background: #FAF9F5;
    }

    .sidebar-subscribe .form-control:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.2);
        background: #FFFFFF;
    }

    .sidebar-subscribe .btn {
        width: 100%;
    }

    /* ===== CTA Section ===== */
    .category-cta {
        background: var(--primary);
        padding: 56px 0;
        position: relative;
        overflow: hidden;
    }

    .category-cta::before {
        content: "";
        position: absolute;
        left: -80px;
        bottom: -80px;
        width: 260px;
        height: 260px;
        border-radius: 50%;
        background: rgba(200, 150, 62, 0.1);
    }

    .category-cta::after {
        content: "";
        position: absolute;
        right: -40px;
        top: -40px;
        width: 180px;
        height: 180px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.04);
    }

    .category-cta .container {
        position: relative;
        z-index: 2;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
    }

    .category-cta h2 {
        color: #FFFFFF;
        font-size: 26px;
        font-weight: 700;
        margin-bottom: 8px;
    }

    .category-cta p {
        color: rgba(255, 255, 255, 0.75);
        font-size: 14px;
        margin: 0;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--primary-dark);
        padding: 64px 0 0;
        color: rgba(255, 255, 255, 0.8);
    }

    .site-footer .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 18px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 14px;
    }

    .site-footer .footer-brand .brand-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .site-footer p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.65);
        margin-bottom: 0;
    }

    .site-footer h5 {
        color: #FFFFFF;
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 16px;
        position: relative;
        padding-bottom: 8px;
    }

    .site-footer h5::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 24px;
        height: 2px;
        background: var(--accent);
    }

    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .footer-links li {
        margin-bottom: 8px;
    }

    .footer-links a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 14px;
        transition: color 0.2s ease, padding-left 0.2s ease;
    }

    .footer-links a:hover {
        color: var(--accent);
        padding-left: 4px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 18px 0;
        margin-top: 48px;
        text-align: center;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.5);
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.6);
    }

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

    /* ===== Responsive ===== */
    @media (max-width: 992px) {
        :root {
            --section-space: 64px;
        }

        .navbar-collapse {
            background: var(--primary);
            padding: 16px 20px;
            border-radius: 0 0 12px 12px;
            margin-top: 8px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
        }

        .navbar-nav .nav-link {
            padding: 10px 0 !important;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .navbar-nav .nav-link::after {
            left: 0;
            right: auto;
            width: 0;
            bottom: 4px;
            transition: width 0.3s ease;
        }

        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            width: 40px;
            transform: scale(1);
        }

        .nav-cta {
            margin-top: 12px;
        }

        .nav-cta .btn-accent {
            margin-left: 0;
            width: 100%;
        }

        .category-hero h1 {
            font-size: 28px;
        }

        .post-list-card {
            flex-direction: column;
        }

        .post-list-card .post-thumb {
            width: 100%;
            height: 160px;
        }

        .category-cta .container {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    @media (max-width: 768px) {
        .category-hero {
            padding: 40px 0 44px;
        }

        .category-hero h1 {
            font-size: 24px;
        }

        .hero-stats {
            gap: 20px;
        }

        .hero-stats .stat-num {
            font-size: 24px;
        }

        .post-list-card {
            padding: 20px;
        }

        .post-list-card .post-thumb {
            height: 140px;
        }

        .sidebar-widget {
            padding: 20px;
        }
    }

    @media (max-width: 576px) {
        .category-hero h1 {
            font-size: 22px;
        }

        .category-hero p.lead {
            font-size: 14px;
        }

        .hero-stats {
            gap: 16px;
        }

        .post-list-card h3 {
            font-size: 16px;
        }

        .post-list-card p {
            font-size: 13px;
        }

        .category-cta h2 {
            font-size: 22px;
        }

        .btn {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation: none !important;
            transition: none !important;
        }

        html {
            scroll-behavior: auto;
        }
    }

/* roulang page: article */
:root {
            --primary: #0F3D2E;
            --primary-light: rgba(15, 61, 46, 0.05);
            --accent: #C8963E;
            --accent-light: #F5EBDC;
            --accent-text: #8A6A2F;
            --bg: #F6F4EC;
            --surface: #FFFFFF;
            --text: #1E2321;
            --muted: #6B726E;
            --line: #E5E0D6;
            --line-strong: #D8D2C6;
            --radius: 8px;
            --radius-sm: 6px;
            --radius-pill: 20px;
            --shadow: 0 2px 8px rgba(15, 61, 46, 0.06);
            --shadow-lg: 0 8px 20px rgba(15, 61, 46, 0.12);
            --section-space: 96px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-display: "Oswald", "Barlow Condensed", "PingFang SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 575px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: transparent;
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.header-solid,
        .site-header.header-scrolled {
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(15, 61, 46, 0.15);
        }

        .navbar {
            padding-top: 12px;
            padding-bottom: 12px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar-brand:hover {
            color: var(--accent);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 6px;
            font-size: 16px;
        }

        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.92);
            font-weight: 500;
            padding: 8px 16px;
            position: relative;
            transition: color .2s ease;
        }

        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 100%;
            bottom: 2px;
            height: 2px;
            background: var(--accent);
            transition: right .3s ease;
        }

        .navbar-nav .nav-link:hover::after {
            right: 16px;
        }

        .navbar-nav .nav-link.active {
            color: #fff;
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            right: 16px;
        }

        .nav-cta .btn {
            margin-left: 16px;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary) !important;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--accent);
            transition: all .2s ease;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200, 150, 62, 0.35);
            background: #d4a44c;
            border-color: #d4a44c;
            color: var(--primary) !important;
        }

        .btn-accent:focus {
            box-shadow: 0 0 0 0.25rem rgba(200, 150, 62, 0.35) !important;
        }

        .navbar-toggler {
            border: none;
            padding: 0;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.4) !important;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.92)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: #fff;
            border-bottom: 1px solid var(--line);
            padding: 48px 0 40px;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            width: 38%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.png') center right / cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-light);
            color: var(--accent-text);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            margin-bottom: 14px;
        }

        .breadcrumb-nav {
            margin-bottom: 18px;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--muted);
            background: transparent;
            padding: 0;
            margin: 0;
        }

        .breadcrumb a {
            color: var(--muted);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb-item.active {
            color: var(--muted);
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .breadcrumb-item+.breadcrumb-item::before {
            content: "/" ;
            color: var(--line-strong);
        }

        .page-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 14px;
            max-width: 78%;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-meta {
            font-size: 13px;
            color: var(--muted);
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--accent);
        }

        /* ===== Article Body ===== */
        .article-main {
            padding: var(--section-space) 0 calc(var(--section-space) * 0.6);
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 48px 56px;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            margin: 1.6em 0 0.8em;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin: 1.4em 0 0.6em;
        }

        .article-body p {
            margin-bottom: 1.2em;
            line-height: 1.75;
            color: var(--text);
        }

        .article-body img {
            width: 100%;
            border-radius: 4px;
            margin: 1.2em 0;
        }

        .article-body blockquote {
            border-left: 3px solid var(--primary);
            background: #EEF3EF;
            border-radius: 4px;
            padding: 16px 20px;
            margin: 1.4em 0;
            color: var(--muted);
            font-style: italic;
        }

        .article-body a {
            color: var(--primary);
            border-bottom: 2px solid var(--accent);
        }

        .article-body a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2em;
            padding-left: 1.4em;
        }

        .article-body li {
            margin-bottom: 0.4em;
        }

        /* ===== Tags ===== */
        .article-tags {
            max-width: 760px;
            margin: 32px auto 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background: var(--accent-light);
            color: var(--accent-text);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            transition: all .2s ease;
        }

        .tag:hover {
            background: var(--accent);
            color: #fff;
        }

        /* ===== Back Link ===== */
        .article-back {
            max-width: 760px;
            margin: 32px auto 0;
            text-align: center;
        }

        .article-back a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            transition: border-color .2s ease;
        }

        .article-back a:hover {
            border-bottom-color: var(--accent);
            color: var(--primary);
        }

        /* ===== Article Empty ===== */
        .article-empty {
            text-align: center;
            padding: 64px 24px;
        }

        .article-empty i {
            font-size: 56px;
            color: var(--line-strong);
            margin-bottom: 16px;
        }

        .article-empty p {
            color: var(--muted);
            margin-bottom: 24px;
            font-size: 18px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all .2s ease;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn-outline:focus {
            box-shadow: 0 0 0 0.25rem rgba(15, 61, 46, 0.2) !important;
        }

        /* ===== Recommend Section ===== */
        .recommend-section {
            padding: calc(var(--section-space) * 0.8) 0 var(--section-space);
            background: linear-gradient(to bottom, var(--bg), #EDF1EC);
            border-top: 1px solid var(--line);
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0;
            white-space: nowrap;
        }

        .section-line {
            flex: 1;
            height: 2px;
            background: linear-gradient(to right, var(--accent), transparent);
            min-width: 80px;
        }

        .section-sub {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 0;
            white-space: nowrap;
        }

        .news-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all .2s ease;
            height: 100%;
        }

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

        .card-img {
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

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

        .card-body {
            padding: 24px;
        }

        .badge-cat {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-text);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            margin-bottom: 12px;
        }

        .card-body h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text);
        }

        .card-body h3 a {
            color: inherit;
        }

        .card-body h3 a:hover {
            color: var(--primary);
        }

        .card-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
            padding-top: 12px;
            border-top: 1px solid var(--line);
        }

        .card-footer i {
            margin-right: 4px;
        }

        .card-footer a {
            color: var(--primary);
            font-weight: 600;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
        }

        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color .2s ease;
        }

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

        .footer-bottom {
            margin-top: 48px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.75);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--primary);
                padding: 20px;
                border-radius: var(--radius);
                margin-top: 12px;
                box-shadow: var(--shadow-lg);
            }

            .nav-cta {
                margin-top: 12px;
                margin-bottom: 8px;
            }

            .nav-cta .btn {
                margin-left: 0;
                width: 100%;
            }

            .navbar-nav .nav-link::after {
                display: none;
            }

            .page-hero h1 {
                font-size: 26px;
                max-width: 100%;
            }

            .page-hero::after {
                width: 30%;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-space: 64px;
            }

            .article-body {
                padding: 28px 20px;
            }

            .article-tags {
                padding: 0 16px;
            }

            .news-card {
                margin-bottom: 16px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .section-sub {
                display: none;
            }

            .page-hero h1 {
                font-size: 22px;
            }

            .article-meta {
                gap: 10px;
            }
        }

        @media (max-width: 575px) {
            .page-hero {
                padding: 36px 0 30px;
            }

            .article-body {
                padding: 24px 16px;
            }

            .article-tags {
                padding: 0 4px;
            }

            .article-back {
                padding: 0 4px;
            }

            .card-body {
                padding: 20px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }