/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --gold-600: #A67C2E;
            --gold-500: #C49A4E;
            --gold-400: #D8B16A;
            --gold-300: #EAD19C;
            --dark-bg: #161412;
            --dark-card: #22201C;
            --light-bg: #F7F4EE;
            --white: #FFFFFF;
            --text-main: #26221D;
            --text-sub: #5C564E;
            --text-weak: #8C8579;
            --text-invert: #F2EDE4;
            --accent-red: #B3472F;
            --accent-green: #3F6C5A;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --radius-btn: 12px;
            --shadow-card: 0 4px 20px rgba(22, 20, 18, 0.06);
            --shadow-hover: 0 12px 32px rgba(166, 124, 46, 0.18);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.35);
            --space-section: 100px;
            --space-section-mobile: 60px;
            --container-width: 1200px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--light-bg);
            color: var(--text-main);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            font-weight: 700;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: var(--space-section) 0;
        }

        @media (max-width: 767px) {
            section {
                padding: var(--space-section-mobile) 0;
            }
        }

        :focus-visible {
            outline: 2px solid var(--gold-400);
            outline-offset: 2px;
        }

        /* ===== 顶部通知条 ===== */
        .topbar {
            background: linear-gradient(135deg, var(--dark-bg), #2B2722);
            color: var(--text-invert);
            padding: 10px 0;
            font-size: 14px;
            letter-spacing: 0.5px;
        }

        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .topbar-highlight {
            color: var(--gold-300);
            font-weight: 500;
        }

        .topbar-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(216, 177, 106, 0.15);
            border: 1px solid rgba(216, 177, 106, 0.35);
            padding: 2px 12px;
            border-radius: 999px;
            font-size: 12px;
            color: var(--gold-300);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(247, 244, 238, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(166, 124, 46, 0.12);
            box-shadow: 0 4px 20px rgba(22, 20, 18, 0.06);
        }

        .nav-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            color: #241F18;
            box-shadow: 0 4px 12px rgba(166, 124, 46, 0.3);
            font-feature-settings: "tnum";
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text strong {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
        }

        .logo-text span {
            font-size: 11px;
            color: var(--text-sub);
            letter-spacing: 2px;
            margin-top: 2px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--text-main);
            background: rgba(216, 177, 106, 0.18);
        }

        .nav-link.active {
            background: linear-gradient(135deg, var(--gold-300), var(--gold-400));
            color: #241F18;
            font-weight: 500;
            box-shadow: 0 2px 8px rgba(166, 124, 46, 0.25);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--white);
            border: 1px solid rgba(166, 124, 46, 0.2);
            border-radius: var(--radius-btn);
            padding: 8px 14px;
            gap: 8px;
            transition: all 0.3s ease;
            width: 180px;
        }

        .nav-search:hover,
        .nav-search:focus-within {
            border-color: var(--gold-400);
            box-shadow: 0 0 0 3px rgba(216, 177, 106, 0.15);
        }

        .nav-search i {
            color: var(--gold-500);
            font-size: 14px;
        }

        .nav-search input {
            width: 100%;
            font-size: 14px;
            color: var(--text-main);
            background: transparent;
        }

        .nav-search input::placeholder {
            color: var(--text-weak);
        }

        .btn-login {
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
        }

        .btn-login:hover {
            color: var(--text-main);
            background: rgba(216, 177, 106, 0.2);
        }

        .btn-highlight {
            padding: 10px 20px;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
            color: #241F18;
            font-weight: 500;
            font-size: 14px;
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(166, 124, 46, 0.3);
        }

        .btn-highlight:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(166, 124, 46, 0.4);
            filter: brightness(1.05);
        }

        .btn-highlight:active {
            transform: translateY(0);
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-400));
            border-radius: var(--radius-btn);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
        }

        .hamburger span {
            width: 20px;
            height: 2px;
            background: #241F18;
            border-radius: 2px;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: var(--white);
            z-index: 200;
            padding: 80px 24px 24px;
            transition: right 0.35s ease;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
            overflow-y: auto;
        }

        .mobile-menu.open {
            right: 0;
        }

        .mobile-menu .nav-link {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            border-radius: var(--radius-sm);
            margin-bottom: 4px;
        }

        .mobile-menu .nav-link.active {
            background: linear-gradient(135deg, var(--gold-300), var(--gold-400));
            color: #241F18;
            font-weight: 500;
        }

        .mobile-menu .nav-search {
            width: 100%;
            margin: 16px 0;
            background: var(--light-bg);
        }

        .mobile-menu .btn-highlight,
        .mobile-menu .btn-login {
            width: 100%;
            text-align: center;
            margin-bottom: 8px;
            padding: 12px;
        }

        .menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 150;
        }

        .menu-overlay.show {
            display: block;
        }

        /* ===== Hero ===== */
        .hero {
            background-color: var(--dark-bg);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 100px 0 80px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 75% 40%, rgba(216, 177, 106, 0.25), transparent 60%),
                radial-gradient(ellipse at 20% 80%, rgba(166, 124, 46, 0.15), transparent 50%),
                linear-gradient(180deg, rgba(22, 20, 18, 0.88), rgba(22, 20, 18, 0.96));
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-text {
            color: var(--text-invert);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(216, 177, 106, 0.15);
            border: 1px solid rgba(216, 177, 106, 0.4);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--gold-300);
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero-text h1 {
            font-family: "Noto Serif SC", serif;
            font-size: 40px;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--text-invert);
            letter-spacing: 1px;
        }

        .hero-text h1 .gold-gradient-text {
            background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(242, 237, 228, 0.8);
            margin-bottom: 36px;
            max-width: 500px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
            color: #241F18;
            font-weight: 500;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(216, 177, 106, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(216, 177, 106, 0.4);
            filter: brightness(1.05);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid rgba(216, 177, 106, 0.6);
            color: var(--gold-300);
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            transition: all 0.3s ease;
            background: transparent;
        }

        .btn-outline-gold:hover {
            background: rgba(216, 177, 106, 0.1);
            border-color: var(--gold-400);
            transform: translateY(-2px);
        }

        .hero-data-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .hero-data-card {
            background: rgba(34, 32, 28, 0.8);
            border: 1px solid rgba(216, 177, 106, 0.3);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            backdrop-filter: blur(4px);
        }

        .hero-data-card .data-label {
            font-size: 13px;
            color: rgba(242, 237, 228, 0.6);
            margin-bottom: 8px;
        }

        .hero-data-card .data-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--gold-300);
            font-feature-settings: "tnum";
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .hero-data-card .data-trend {
            font-size: 13px;
            color: rgba(242, 237, 228, 0.7);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .trend-up {
            color: var(--accent-red);
            font-weight: 500;
        }

        @media (max-width: 1023px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-data-cards {
                max-width: 560px;
            }

            .hero-text h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 767px) {
            .hero {
                padding: 60px 0 40px;
            }

            .hero-text h1 {
                font-size: 24px;
            }

            .hero-data-cards {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .hero-data-card {
                padding: 20px 16px;
            }

            .hero-data-card .data-value {
                font-size: 28px;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline-gold {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 数据看板 ===== */
        .metrics-section {
            padding: 60px 0;
            background: var(--light-bg);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            text-align: left;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(216, 177, 106, 0.3);
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 10px;
        }

        .metric-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--gold-600);
            font-feature-settings: "tnum";
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .metric-desc {
            font-size: 13px;
            color: var(--text-weak);
            border-top: 1px solid rgba(166, 124, 46, 0.15);
            padding-top: 10px;
            margin-top: 4px;
        }

        .metric-change {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            margin-bottom: 6px;
        }

        .change-up {
            color: var(--accent-red);
        }

        .change-down {
            color: var(--accent-green);
        }

        @media (max-width: 1023px) {
            .metrics-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 767px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .metric-card {
                padding: 16px 14px;
            }

            .metric-value {
                font-size: 28px;
            }
        }

        /* ===== 服务矩阵 ===== */
        .services-section {
            background: var(--light-bg);
            padding-top: 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header h2 {
            font-size: 30px;
            color: var(--text-main);
            margin-bottom: 12px;
            font-family: "Noto Serif SC", serif;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 640px;
            margin: 0 auto;
        }

        .section-tag {
            display: inline-block;
            background: rgba(216, 177, 106, 0.15);
            color: var(--gold-600);
            padding: 4px 16px;
            border-radius: 999px;
            font-size: 13px;
            margin-bottom: 16px;
            font-weight: 500;
        }

        .bento-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }

        .bento-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1.5px solid transparent;
            transition: all 0.3s ease;
        }

        .bento-card:hover {
            border-color: var(--gold-400);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .bento-card .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(216, 177, 106, 0.15);
            border: 1px solid rgba(166, 124, 46, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 20px;
            color: var(--gold-600);
        }

        .bento-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .bento-card p {
            font-size: 15px;
            color: var(--text-sub);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .bento-tag {
            display: inline-flex;
            align-items: center;
            background: rgba(216, 177, 106, 0.12);
            border: 1px solid rgba(166, 124, 46, 0.2);
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--gold-600);
            font-weight: 500;
            margin-right: 8px;
        }

        .bento-tag i {
            margin-right: 4px;
        }

        .bento-main {
            grid-column: span 6;
            background: linear-gradient(135deg, var(--dark-bg), #2B2722);
            color: var(--text-invert);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 340px;
            position: relative;
            overflow: hidden;
        }

        .bento-main::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -30%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(closest-side, rgba(216, 177, 106, 0.2), transparent);
        }

        .bento-main .service-icon {
            background: rgba(216, 177, 106, 0.2);
            border-color: rgba(216, 177, 106, 0.4);
            color: var(--gold-300);
        }

        .bento-main h3 {
            color: var(--text-invert);
            font-size: 22px;
        }

        .bento-main p {
            color: rgba(242, 237, 228, 0.75);
        }

        .bento-main .bento-tag {
            background: rgba(216, 177, 106, 0.15);
            border-color: rgba(216, 177, 106, 0.4);
            color: var(--gold-300);
        }

        .bento-tall {
            grid-column: span 3;
            min-height: 160px;
        }

        .bento-wide {
            grid-column: span 5;
        }

        .bento-mid {
            grid-column: span 4;
        }

        .bento-small {
            grid-column: span 3;
        }

        @media (max-width: 1023px) {
            .bento-main {
                grid-column: span 12;
            }

            .bento-tall {
                grid-column: span 6;
            }

            .bento-wide {
                grid-column: span 12;
            }

            .bento-mid {
                grid-column: span 6;
            }

            .bento-small {
                grid-column: span 6;
            }
        }

        @media (max-width: 767px) {
            .bento-tall,
            .bento-wide,
            .bento-mid,
            .bento-small {
                grid-column: span 12;
            }

            .bento-grid {
                gap: 12px;
            }
        }

        /* ===== 结果对比 ===== */
        .compare-section {
            background: var(--light-bg);
            padding-top: 0;
        }

        .compare-wrap {
            background: var(--dark-card);
            border-radius: 32px;
            padding: 56px 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            position: relative;
            overflow: hidden;
        }

        .compare-wrap::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 30%;
            width: 400px;
            height: 400px;
            background: radial-gradient(closest-side, rgba(216, 177, 106, 0.12), transparent);
            border-radius: 50%;
        }

        .compare-col h3 {
            font-size: 20px;
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(242, 237, 228, 0.1);
        }

        .compare-col-old h3 {
            color: rgba(242, 237, 228, 0.5);
        }

        .compare-col-new h3 {
            color: var(--gold-300);
        }

        .compare-item {
            margin-bottom: 24px;
        }

        .compare-item-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
            font-size: 14px;
        }

        .compare-item-old .compare-item-header {
            color: rgba(242, 237, 228, 0.45);
        }

        .compare-item-new .compare-item-header {
            color: rgba(242, 237, 228, 0.85);
        }

        .progress-bar {
            height: 6px;
            background: rgba(242, 237, 228, 0.1);
            border-radius: 999px;
            overflow: hidden;
        }

        .progress-bar-old {
            height: 100%;
            background: rgba(242, 237, 228, 0.2);
            border-radius: 999px;
        }

        .progress-bar-new {
            height: 100%;
            background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
            border-radius: 999px;
        }

        .compare-note {
            grid-column: 1 / -1;
            text-align: center;
            font-size: 13px;
            color: rgba(242, 237, 228, 0.4);
            padding-top: 16px;
            border-top: 1px solid rgba(242, 237, 228, 0.08);
        }

        @media (max-width: 1023px) {
            .compare-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 28px;
            }
        }

        @media (max-width: 767px) {
            .compare-wrap {
                border-radius: 20px;
                padding: 32px 20px;
            }
        }

        /* ===== 动态资讯 ===== */
        .news-section {
            background: var(--light-bg);
            padding-top: 0;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .news-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(216, 177, 106, 0.25);
        }

        .news-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .news-cover img {
            transform: scale(1.05);
        }

        .news-cover-placeholder {
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 2px;
        }

        .news-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            border: 1px solid var(--gold-400);
            color: var(--gold-600);
            padding: 2px 12px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 500;
        }

        .news-body {
            padding: 20px;
        }

        .news-body h3 {
            font-size: 16px;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text-main);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-body p {
            font-size: 14px;
            color: var(--text-sub);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-weak);
            border-top: 1px solid rgba(166, 124, 46, 0.12);
            padding-top: 12px;
        }

        .news-meta a {
            color: var(--gold-600);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-meta a:hover {
            color: var(--gold-500);
        }

        .news-empty {
            grid-column: 1 / -1;
            border: 2px dashed rgba(166, 124, 46, 0.3);
            border-radius: var(--radius-lg);
            padding: 60px 20px;
            text-align: center;
            background: rgba(255, 255, 255, 0.5);
        }

        .news-empty i {
            font-size: 44px;
            color: var(--gold-400);
            margin-bottom: 16px;
        }

        .news-empty p {
            font-size: 16px;
            color: var(--text-sub);
        }

        @media (max-width: 1023px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--light-bg);
            padding-top: 0;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid transparent;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(216, 177, 106, 0.3);
        }

        .faq-item.active {
            box-shadow: var(--shadow-hover);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            gap: 16px;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-400));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #241F18;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.8;
            border-top: 0 solid transparent;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
            border-top: 1px solid rgba(166, 124, 46, 0.1);
        }

        .faq-info-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            justify-content: center;
            border: 1px solid rgba(216, 177, 106, 0.15);
        }

        .faq-info-card h3 {
            font-size: 22px;
            margin-bottom: 16px;
        }

        .faq-info-card p {
            color: var(--text-sub);
            margin-bottom: 20px;
        }

        .faq-info-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        @media (max-width: 1023px) {
            .faq-wrap {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 767px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
        }

        /* ===== 转化表单 ===== */
        .contact-section {
            background: var(--light-bg);
            padding-top: 0;
        }

        .contact-wrap {
            background: var(--dark-bg);
            border-radius: 32px;
            padding: 64px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            position: relative;
            overflow: hidden;
        }

        .contact-wrap::before {
            content: '';
            position: absolute;
            bottom: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(closest-side, rgba(216, 177, 106, 0.15), transparent);
            border-radius: 50%;
        }

        .contact-left h2 {
            font-size: 28px;
            color: var(--text-invert);
            margin-bottom: 24px;
            font-family: "Noto Serif SC", serif;
        }

        .contact-left .desc {
            color: rgba(242, 237, 228, 0.7);
            margin-bottom: 32px;
            font-size: 15px;
        }

        .trust-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: rgba(34, 32, 28, 0.8);
            border: 1px solid rgba(216, 177, 106, 0.2);
            border-radius: var(--radius-md);
        }

        .trust-item .trust-badge {
            min-width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #241F18;
            font-weight: 700;
            font-feature-settings: "tnum";
        }

        .trust-item .trust-text {
            color: rgba(242, 237, 228, 0.85);
            font-size: 14px;
        }

        .trust-item .trust-text strong {
            display: block;
            font-size: 15px;
            color: var(--text-invert);
        }

        .contact-form-wrap {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(216, 177, 106, 0.2);
            border-radius: 24px;
            padding: 32px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            color: rgba(242, 237, 228, 0.8);
            margin-bottom: 8px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: rgba(34, 32, 28, 0.9);
            border: 1px solid rgba(216, 177, 106, 0.3);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            color: var(--text-invert);
            font-size: 15px;
            transition: all 0.3s ease;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--gold-400);
            box-shadow: 0 0 0 3px rgba(216, 177, 106, 0.15);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(242, 237, 228, 0.35);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .form-submit {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
            color: #241F18;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 500;
            transition: all 0.3s ease;
            margin-top: 8px;
        }

        .form-submit:hover {
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(216, 177, 106, 0.3);
        }

        .form-submit:active {
            transform: translateY(0);
        }

        .form-success {
            display: none;
            background: rgba(63, 108, 90, 0.2);
            border: 1px solid rgba(63, 108, 90, 0.5);
            color: #7FB89F;
            padding: 16px;
            border-radius: var(--radius-btn);
            margin-top: 16px;
            font-size: 14px;
            text-align: center;
        }

        .form-error {
            display: none;
            background: rgba(179, 71, 47, 0.15);
            border: 1px solid var(--accent-red);
            color: #D98A75;
            padding: 16px;
            border-radius: var(--radius-btn);
            margin-top: 16px;
            font-size: 14px;
            text-align: center;
        }

        .privacy-note {
            font-size: 13px;
            color: rgba(242, 237, 228, 0.4);
            margin-top: 12px;
            text-align: center;
        }

        @media (max-width: 1023px) {
            .contact-wrap {
                grid-template-columns: 1fr;
                padding: 40px 28px;
            }
        }

        @media (max-width: 767px) {
            .contact-wrap {
                border-radius: 20px;
                padding: 32px 20px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: var(--text-invert);
            padding: 60px 0 0;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(242, 237, 228, 0.5);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .footer-col h4 {
            font-size: 16px;
            color: var(--text-invert);
            margin-bottom: 20px;
            font-weight: 500;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(242, 237, 228, 0.6);
            transition: color 0.3s ease;
        }

        .footer-col ul li a:hover {
            color: var(--gold-300);
        }

        .footer-contact li {
            font-size: 14px;
            color: rgba(242, 237, 228, 0.6);
            margin-bottom: 12px;
            display: flex;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--gold-400);
            width: 18px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(216, 177, 106, 0.15);
            padding: 20px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(242, 237, 228, 0.45);
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-col {
                border-bottom: 1px solid rgba(216, 177, 106, 0.1);
                padding-bottom: 20px;
            }

            .footer-col:last-child {
                border-bottom: none;
            }
        }

        /* ===== 响应式导航 ===== */
        @media (max-width: 1023px) {
            .nav-menu {
                display: none;
            }

            .nav-search {
                width: 130px;
            }

            .hamburger {
                display: flex;
            }

            .mobile-menu.show {
                display: block;
            }
        }

        @media (max-width: 767px) {
            .nav-search {
                display: none;
            }

            .btn-login {
                display: none;
            }

            .btn-highlight {
                padding: 8px 16px;
                font-size: 13px;
            }

            .nav-bar {
                height: 60px;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .logo-text strong {
                font-size: 17px;
            }

            .logo-text span {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --gold-600: #A67C2E;
            --gold-500: #C49A4E;
            --gold-400: #D8B16A;
            --gold-300: #EAD19C;
            --dark-bg: #161412;
            --dark-card: #22201C;
            --light-bg: #F7F4EE;
            --white: #FFFFFF;
            --text-main: #26221D;
            --text-sub: #5C564E;
            --text-weak: #8C8579;
            --text-invert: #F2EDE4;
            --accent-red: #B3472F;
            --accent-green: #3F6C5A;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(22, 20, 18, .06);
            --shadow-hover: 0 12px 32px rgba(166, 124, 46, .18);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, .35);
            --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-serif: "Noto Serif SC", "Noto Sans SC", serif;
            --space-section: 100px;
            --container-max: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background: var(--light-bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--gold-600);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--gold-500);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all .25s ease;
            border: 1.5px solid transparent;
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
            color: #1a140c;
            box-shadow: 0 4px 16px rgba(166, 124, 46, .3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(166, 124, 46, .4);
            filter: brightness(1.05);
            color: #1a140c;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(166, 124, 46, .3);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-invert);
            border-color: rgba(216, 177, 106, .6);
        }
        .btn-ghost:hover {
            background: rgba(216, 177, 106, .12);
            border-color: var(--gold-400);
            color: var(--gold-300);
        }
        .btn-outline {
            background: transparent;
            color: var(--gold-600);
            border-color: var(--gold-500);
        }
        .btn-outline:hover {
            background: rgba(216, 177, 106, .1);
            border-color: var(--gold-600);
            transform: translateY(-2px);
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold-400);
            outline-offset: 2px;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: .5px;
        }
        .section-sub {
            color: var(--text-sub);
            font-size: 16px;
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 40px;
        }
        .text-gold {
            color: var(--gold-600);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(216, 177, 106, .1);
            border: 1px solid rgba(216, 177, 106, .45);
            color: var(--gold-600);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            line-height: 1.5;
            white-space: nowrap;
        }
        .badge-red {
            background: rgba(179, 71, 47, .08);
            border-color: rgba(179, 71, 47, .3);
            color: var(--accent-red);
        }
        .badge-green {
            background: rgba(63, 108, 90, .08);
            border-color: rgba(63, 108, 90, .3);
            color: var(--accent-green);
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(247, 244, 238, .92);
            backdrop-filter: blur(12px);
            box-shadow: 0 2px 12px rgba(22, 20, 18, .06);
            height: 72px;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            font-feature-settings: "tnum";
            box-shadow: 0 4px 12px rgba(166, 124, 46, .3);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-text strong {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: .3px;
        }
        .logo-text span {
            font-size: 11px;
            color: var(--text-sub);
            font-weight: 500;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            color: var(--text-sub);
            font-weight: 500;
            font-size: 15px;
            transition: all .2s ease;
        }
        .nav-link:hover {
            background: rgba(216, 177, 106, .12);
            color: var(--text-main);
        }
        .nav-link.active {
            background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
            color: #1a140c;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(166, 124, 46, .2);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--white);
            border-radius: 12px;
            padding: 0 14px;
            height: 42px;
            border: 1.5px solid rgba(164, 148, 124, .25);
            transition: border-color .2s;
            width: 220px;
        }
        .search-box i {
            color: var(--gold-500);
            font-size: 14px;
            margin-right: 8px;
        }
        .search-box input {
            width: 100%;
            background: transparent;
            color: var(--text-main);
            font-size: 14px;
        }
        .search-box input::placeholder {
            color: var(--text-weak);
        }
        .search-box:focus-within {
            border-color: var(--gold-400);
            box-shadow: 0 0 0 3px rgba(216, 177, 106, .15);
        }
        .btn-text {
            padding: 8px 4px;
            color: var(--text-sub);
            font-weight: 500;
            font-size: 15px;
            background: none;
            border: none;
            cursor: pointer;
            transition: color .2s;
        }
        .btn-text:hover {
            color: var(--gold-600);
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
            border-radius: 12px;
            align-items: center;
            cursor: pointer;
            border: none;
            padding: 0;
        }
        .mobile-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all .3s ease;
        }
        .mobile-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(22, 20, 18, .5);
            z-index: 98;
            opacity: 0;
            visibility: hidden;
            transition: all .3s ease;
        }
        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: var(--dark-bg);
            z-index: 99;
            padding: 32px 24px;
            transition: right .35s ease;
            display: flex;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer .nav-link {
            color: rgba(242, 237, 228, .8);
            font-size: 16px;
            padding: 12px 16px;
            border-radius: 12px;
        }
        .mobile-drawer .nav-link:hover {
            background: rgba(216, 177, 106, .12);
            color: var(--gold-300);
        }
        .mobile-drawer .nav-link.active {
            background: rgba(216, 177, 106, .2);
            color: var(--gold-300);
        }
        .mobile-drawer .search-box {
            width: 100%;
            background: rgba(255, 255, 255, .06);
            border-color: rgba(255, 255, 255, .1);
            margin: 12px 0;
        }
        .mobile-drawer .search-box input {
            color: var(--text-invert);
        }
        .mobile-drawer .search-box input::placeholder {
            color: rgba(242, 237, 228, .4);
        }
        .mobile-drawer .btn {
            width: 100%;
            margin-top: 8px;
        }
        .drawer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(216, 177, 106, .2);
        }
        .drawer-logo .logo-text strong {
            color: var(--text-invert);
        }
        .drawer-logo .logo-text span {
            color: rgba(242, 237, 228, .5);
        }
        .page-hero {
            position: relative;
            background: var(--dark-bg);
            padding: 80px 0 70px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(166, 124, 46, .28), transparent 60%),
                radial-gradient(ellipse at 80% 80%, rgba(216, 177, 106, .12), transparent 50%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-card {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(216, 177, 106, .22);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            backdrop-filter: none;
            box-shadow: var(--shadow-dark);
        }
        .hero-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .hero-card-body {
            padding: 24px 28px 28px;
        }
        .hero-card-body h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            color: var(--gold-400);
            margin-bottom: 8px;
        }
        .hero-card-body p {
            color: rgba(242, 237, 228, .7);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .hero-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--gold-400);
            font-size: 14px;
            font-weight: 600;
        }
        .hero-card-link i {
            transition: transform .2s;
        }
        .hero-card-link:hover {
            color: var(--gold-300);
        }
        .hero-card-link:hover i {
            transform: translateX(4px);
        }
        .hero-copy {
            margin-bottom: 20px;
        }
        .hero-copy h1 {
            font-family: var(--font-serif);
            font-size: 38px;
            font-weight: 700;
            color: var(--text-invert);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .hero-copy h1 .gold {
            background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-copy .lead {
            color: rgba(242, 237, 228, .7);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .hero-steps {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 24px;
        }
        .step-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: rgba(255, 255, 255, .03);
            border: 1px solid rgba(216, 177, 106, .15);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            transition: all .25s ease;
        }
        .step-item:hover {
            background: rgba(216, 177, 106, .08);
            border-color: rgba(216, 177, 106, .4);
            transform: translateX(4px);
        }
        .step-num {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--gold-500);
            font-feature-settings: "tnum";
            line-height: 1.2;
            min-width: 40px;
        }
        .step-item h3 {
            color: var(--text-invert);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .step-item p {
            color: rgba(242, 237, 228, .6);
            font-size: 14px;
            line-height: 1.6;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }
        .hero-badges .badge {
            background: rgba(216, 177, 106, .12);
            border-color: rgba(216, 177, 106, .3);
            color: rgba(242, 237, 228, .8);
            font-size: 13px;
        }
        .feature-details {
            padding: 100px 0;
            background: var(--light-bg);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            box-shadow: var(--shadow-card);
            border: 1.5px solid transparent;
            transition: all .3s ease;
            position: relative;
        }
        .feature-card:hover {
            border-color: rgba(216, 177, 106, .5);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .feature-card.lg {
            grid-column: span 7;
        }
        .feature-card.sm {
            grid-column: span 5;
        }
        .feature-card.sm2 {
            grid-column: span 5;
            margin-top: 32px;
        }
        .feature-card.lg2 {
            grid-column: span 7;
            margin-top: -32px;
        }
        @media (max-width: 767px) {
            .feature-card.lg,
            .feature-card.sm,
            .feature-card.sm2,
            .feature-card.lg2 {
                grid-column: 1 / -1;
                margin-top: 0;
            }
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(216, 177, 106, .2), rgba(166, 124, 46, .12));
            border: 1px solid rgba(216, 177, 106, .3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-600);
            font-size: 20px;
            margin-bottom: 18px;
        }
        .feature-card h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .feature-card p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .data-strip {
            background: var(--dark-bg);
            padding: 48px 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .data-strip::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(22, 20, 18, .82);
        }
        .data-strip .container {
            position: relative;
            z-index: 2;
        }
        .strip-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .strip-item {
            text-align: center;
            padding: 20px 12px;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(216, 177, 106, .2);
            border-radius: var(--radius-md);
            transition: all .25s ease;
        }
        .strip-item:hover {
            background: rgba(216, 177, 106, .08);
        }
        .strip-item .num {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--gold-400);
            font-feature-settings: "tnum";
            line-height: 1.3;
        }
        .strip-item .label {
            color: rgba(242, 237, 228, .6);
            font-size: 13px;
            margin-top: 4px;
        }
        @media (max-width: 1023px) {
            .strip-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 520px) {
            .strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .compare-section {
            padding: 100px 0;
            background: var(--light-bg);
        }
        .compare-card {
            background: var(--dark-card);
            border-radius: 32px;
            padding: 48px;
            color: var(--text-invert);
            position: relative;
            overflow: hidden;
        }
        .compare-card::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(216, 177, 106, .15), transparent 70%);
        }
        .compare-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            position: relative;
            z-index: 2;
        }
        .compare-col h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            margin-bottom: 24px;
            position: relative;
            padding-bottom: 14px;
        }
        .compare-col h3::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 44px;
            height: 3px;
            border-radius: 2px;
        }
        .compare-col.old h3 {
            color: rgba(242, 237, 228, .5);
        }
        .compare-col.old h3::after {
            background: rgba(255, 255, 255, .2);
        }
        .compare-col.new h3 {
            color: var(--gold-300);
        }
        .compare-col.new h3::after {
            background: linear-gradient(90deg, var(--gold-400), var(--gold-600));
        }
        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .compare-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, .03);
            border: 1px solid rgba(255, 255, 255, .06);
        }
        .compare-item i {
            margin-top: 4px;
            font-size: 15px;
            flex-shrink: 0;
        }
        .compare-item.old i {
            color: rgba(242, 237, 228, .3);
        }
        .compare-item.new i {
            color: var(--gold-400);
        }
        .compare-item .text {
            font-size: 14px;
            line-height: 1.6;
        }
        .compare-item.old .text {
            color: rgba(242, 237, 228, .5);
        }
        .compare-item.new .text {
            color: rgba(242, 237, 228, .9);
        }
        .metric-bars {
            margin-top: 40px;
        }
        .metric-bars .container-inner {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px 48px;
        }
        .metric-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .metric-item .metric-head {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
        }
        .metric-item .metric-head .name {
            color: rgba(242, 237, 228, .7);
        }
        .metric-item .metric-head .val {
            color: var(--gold-300);
            font-weight: 600;
            font-feature-settings: "tnum";
        }
        .progress-track {
            height: 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .1);
            overflow: hidden;
        }
        .progress-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--gold-400), var(--gold-600));
            transition: width .6s ease;
        }
        .compare-note {
            margin-top: 20px;
            color: rgba(242, 237, 228, .4);
            font-size: 13px;
            text-align: center;
        }
        @media (max-width: 767px) {
            .compare-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .metric-bars .container-inner {
                grid-template-columns: 1fr;
            }
        }
        .faq-section {
            padding: 100px 0;
            background: var(--light-bg);
            padding-top: 0;
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        @media (max-width: 767px) {
            .faq-layout {
                grid-template-columns: 1fr;
            }
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1.5px solid transparent;
            overflow: hidden;
            transition: all .3s ease;
            height: fit-content;
        }
        .faq-item:hover {
            border-color: rgba(216, 177, 106, .35);
        }
        .faq-item.open {
            border-color: rgba(216, 177, 106, .5);
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            background: none;
            text-align: left;
            width: 100%;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(216, 177, 106, .2), rgba(166, 124, 46, .12));
            border: 1px solid rgba(216, 177, 106, .4);
            color: var(--gold-600);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform .35s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px 66px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
        }
        .related-section {
            padding: 0 0 100px;
            background: var(--light-bg);
        }
        .rel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 767px) {
            .rel-grid {
                grid-template-columns: 1fr;
            }
        }
        .rel-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1.5px solid transparent;
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rel-card:hover {
            border-color: rgba(216, 177, 106, .45);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .rel-card .rel-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(216, 177, 106, .25), rgba(166, 124, 46, .12));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-600);
            font-size: 18px;
        }
        .rel-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
        }
        .rel-card p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
        }
        .rel-card a {
            font-size: 14px;
            font-weight: 600;
            color: var(--gold-600);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }
        .rel-card a i {
            transition: transform .2s;
        }
        .rel-card a:hover i {
            transform: translateX(4px);
        }
        .cat-nav-section {
            background: var(--white);
            padding: 40px 0;
            border-top: 1px solid rgba(216, 177, 106, .2);
        }
        .cat-nav-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .cat-pill {
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            background: var(--light-bg);
            border: 1.5px solid rgba(216, 177, 106, .3);
            transition: all .25s ease;
        }
        .cat-pill:hover {
            background: rgba(216, 177, 106, .12);
            color: var(--gold-600);
            border-color: var(--gold-500);
        }
        .cat-pill.active {
            background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
            color: #1a140c;
            border-color: transparent;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(166, 124, 46, .25);
        }
        .cta-text {
            padding: 60px 0 80px;
            background: var(--light-bg);
        }
        .cta-text-inner {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-text-inner p {
            color: var(--text-sub);
            font-size: 16px;
            margin-bottom: 20px;
            line-height: 1.8;
        }
        .cta-text-inner a {
            color: var(--gold-600);
            font-weight: 600;
            border-bottom: 1.5px solid rgba(216, 177, 106, .5);
            padding-bottom: 2px;
            transition: border-color .2s;
        }
        .cta-text-inner a:hover {
            border-color: var(--gold-600);
        }
        .footer {
            background: var(--dark-bg);
            color: rgba(242, 237, 228, .7);
            padding: 60px 0 24px;
        }
        .footer-top-line {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(216, 177, 106, .5), transparent);
            margin-bottom: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand .logo-text strong {
            color: var(--text-invert);
        }
        .footer-brand .logo-text span {
            color: rgba(242, 237, 228, .5);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(242, 237, 228, .5);
            max-width: 300px;
        }
        .footer-col h4 {
            color: var(--text-invert);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col li a {
            color: rgba(242, 237, 228, .6);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-col li a:hover {
            color: var(--gold-400);
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(242, 237, 228, .6);
        }
        .footer-contact i {
            color: var(--gold-500);
            width: 18px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(242, 237, 228, .1);
            padding-top: 24px;
            text-align: center;
            font-size: 14px;
            color: rgba(242, 237, 228, .45);
            line-height: 1.6;
        }
        .footer-bottom a {
            color: rgba(242, 237, 228, .6);
        }
        @media (max-width: 1023px) {
            .hero-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-copy h1 {
                font-size: 32px;
            }
            .nav-menu {
                display: none;
            }
            .search-box {
                display: none;
            }
            .btn-text {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
        }
        @media (max-width: 767px) {
            :root {
                --space-section: 60px;
            }
            .container {
                padding: 0 20px;
            }
            .header-inner {
                gap: 12px;
            }
            .logo-text strong {
                font-size: 15px;
            }
            .btn-primary {
                padding: 10px 16px;
                font-size: 14px;
            }
            .btn-ghost {
                display: none;
            }
            .hero-copy h1 {
                font-size: 26px;
            }
            .feature-details {
                padding: 60px 0;
            }
            .compare-section {
                padding: 60px 0;
            }
            .compare-card {
                padding: 28px 20px;
                border-radius: 24px;
            }
            .faq-section {
                padding: 60px 0;
            }
            .related-section {
                padding-bottom: 60px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-col {
                padding-bottom: 20px;
                border-bottom: 1px solid rgba(216, 177, 106, .1);
            }
            .footer-col:last-child {
                border-bottom: none;
                padding-bottom: 0;
            }
        }
        @media (max-width: 520px) {
            .hero-copy h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 24px;
            }
            .feature-card {
                padding: 22px 20px;
            }
            .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
            .mobile-drawer {
                width: 280px;
            }
        }
        .footer {
            background: var(--dark-bg);
            color: rgba(242, 237, 228, .7);
            padding: 60px 0 24px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(242, 237, 228, .6);
        }
        .footer-contact i {
            color: var(--gold-500);
            width: 18px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px 66px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
        }
        @media (max-width: 767px) {
            .faq-answer-inner {
                padding-left: 56px;
            }
        }

/* roulang page: article */
:root {
  --gold-600: #A67C2E;
  --gold-500: #C49A4E;
  --gold-400: #D8B16A;
  --gold-300: #EAD19C;
  --dark-bg: #161412;
  --dark-card: #22201C;
  --light-bg: #F7F4EE;
  --white: #FFFFFF;
  --text-main: #26221D;
  --text-secondary: #5C564E;
  --text-muted: #8C8579;
  --text-invert: #F2EDE4;
  --accent: #B3472F;
  --success: #3F6C5A;
  --font-sans: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif: "Noto Serif SC","Songti SC",serif;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --radius-btn: 12px;
  --shadow-card: 0 4px 20px rgba(22,20,18,.06);
  --shadow-hover: 0 12px 32px rgba(166,124,46,.18);
  --shadow-dark: 0 8px 24px rgba(0,0,0,.35);
  --space-section: 100px;
  --space-card: 32px;
  --container: 1200px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--light-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(22,20,18,.06);
  box-shadow: 0 2px 12px rgba(22,20,18,.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -1px;
  box-shadow: 0 4px 14px rgba(166,124,46,.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text strong {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: .5px;
}

.logo-text span {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}

.nav-link {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all .25s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--gold-600);
  background: rgba(216,177,106,.10);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  color: var(--dark-bg);
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(166,124,46,.22);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--light-bg);
  border: 1px solid rgba(22,20,18,.08);
  border-radius: var(--radius-btn);
  padding: 8px 14px;
  width: 200px;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.search-box i {
  color: var(--gold-500);
  font-size: 14px;
}

.search-box input {
  width: 100%;
  font-size: 14px;
  color: var(--text-main);
  background: transparent;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box:focus-within {
  border-color: var(--gold-400);
  box-shadow: 0 0 0 3px rgba(216,177,106,.15);
}

.btn-login {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 6px;
  border-radius: var(--radius-sm);
  transition: color .2s ease;
}

.btn-login:hover {
  color: var(--gold-600);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--dark-bg);
  font-size: 15px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
  border: none;
  box-shadow: 0 4px 16px rgba(166,124,46,.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(166,124,46,.35);
  filter: brightness(1.05);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(166,124,46,.2);
}

.btn-primary:focus-visible,
.btn-login:focus-visible,
.nav-link:focus-visible,
.logo:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-btn);
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  padding: 10px;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--dark-bg);
  transition: transform .3s ease, opacity .3s ease;
}

.nav-toggle:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 14px rgba(166,124,46,.3);
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--white);
  z-index: 1100;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: right .35s ease;
  box-shadow: -4px 0 30px rgba(0,0,0,.15);
}

.mobile-drawer.open {
  right: 0;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-title {
  font-weight: 700;
  font-size: 18px;
  color: var(--text-main);
}

.drawer-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--light-bg);
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, color .2s ease;
}

.drawer-close:hover {
  background: rgba(179,71,47,.1);
  color: var(--accent);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.drawer-link {
  padding: 12px 16px;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 500;
  color: var(--text-main);
  transition: background .2s ease, color .2s ease;
}

.drawer-link:hover {
  background: rgba(216,177,106,.12);
  color: var(--gold-600);
}

.drawer-link.active {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  color: var(--dark-bg);
  font-weight: 600;
}

.drawer-search {
  background: var(--light-bg);
  border-radius: var(--radius-btn);
  border: 1px solid rgba(22,20,18,.08);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.drawer-search i {
  color: var(--gold-500);
  font-size: 14px;
}

.drawer-search input {
  width: 100%;
  font-size: 14px;
}

.drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.drawer-actions .btn-login {
  text-align: center;
  padding: 10px;
  border: 1px solid rgba(22,20,18,.12);
  border-radius: var(--radius-btn);
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(22,20,18,.5);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}

.drawer-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ===== Breadcrumb ===== */
.breadcrumb-wrap {
  background: var(--light-bg);
  padding: 24px 0 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color .2s ease;
}

.breadcrumb a:hover {
  color: var(--gold-600);
}

.breadcrumb i {
  font-size: 10px;
  color: var(--gold-500);
}

.breadcrumb .current {
  color: var(--text-main);
  font-weight: 500;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Article Page ===== */
.article-section {
  padding: 40px 0 80px;
}

.article-layout {
  display: flex;
  justify-content: center;
}

.article-main {
  width: 100%;
  max-width: 860px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 56px;
}

.article-title {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: .5px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(22,20,18,.06);
  margin-bottom: 36px;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta i {
  color: var(--gold-500);
  font-size: 13px;
}

.article-meta .meta-category {
  background: rgba(216,177,106,.14);
  color: var(--gold-600);
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(216,177,106,.3);
}

.article-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
}

.article-content > * + * {
  margin-top: 1.2em;
}

.article-content p {
  margin-bottom: 1.6em;
  text-align: justify;
}

.article-content h1,
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(216,177,106,.2);
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin-top: 32px;
  margin-bottom: 12px;
}

.article-content h4 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 10px;
}

.article-content a {
  color: var(--gold-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content a:hover {
  color: var(--gold-500);
}

.article-content ul,
.article-content ol {
  padding-left: 24px;
  margin-bottom: 1.6em;
}

.article-content ul li {
  list-style: disc;
  margin-bottom: 8px;
}

.article-content ol li {
  list-style: decimal;
  margin-bottom: 8px;
}

.article-content img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: 24px 0;
  box-shadow: var(--shadow-card);
}

.article-content blockquote {
  border-left: 4px solid var(--gold-400);
  background: rgba(216,177,106,.08);
  padding: 18px 24px;
  border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
  margin: 28px 0;
  color: var(--text-secondary);
  font-style: normal;
}

.article-content blockquote p {
  margin-bottom: 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14px;
  line-height: 1.6;
}

.article-content table th,
.article-content table td {
  border: 1px solid rgba(22,20,18,.1);
  padding: 12px 16px;
  text-align: left;
}

.article-content table th {
  background: var(--light-bg);
  font-weight: 600;
  color: var(--text-main);
}

.article-content table tr:nth-child(even) {
  background: rgba(247,244,238,.5);
}

.article-content code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 14px;
  background: var(--light-bg);
  border-radius: 6px;
  padding: 2px 8px;
  color: var(--gold-600);
}

.article-content pre {
  background: var(--dark-bg);
  color: var(--text-invert);
  padding: 20px 24px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 28px 0;
  line-height: 1.6;
  font-size: 14px;
}

.article-content pre code {
  background: transparent;
  color: var(--text-invert);
  padding: 0;
}

.article-content hr {
  border: none;
  border-top: 1px solid rgba(22,20,18,.08);
  margin: 36px 0;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 32px;
  margin-top: 40px;
  border-top: 1px solid rgba(22,20,18,.06);
}

.tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid rgba(216,177,106,.4);
  background: rgba(216,177,106,.06);
  color: var(--gold-600);
  font-size: 14px;
  font-weight: 500;
  transition: background .2s ease, border-color .2s ease;
}

.tag:hover {
  background: rgba(216,177,106,.12);
  border-color: var(--gold-400);
}

.article-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

.article-share .share-label {
  font-size: 14px;
  color: var(--text-muted);
}

.article-share a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--light-bg);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.article-share a:hover {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  color: var(--dark-bg);
  transform: translateY(-2px);
}

/* ===== Article Not Found ===== */
.article-not-found {
  text-align: center;
  padding: 80px 40px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.article-not-found i {
  font-size: 56px;
  color: var(--gold-400);
  margin-bottom: 20px;
}

.article-not-found h2 {
  font-size: 26px;
  color: var(--text-main);
  margin-bottom: 8px;
}

.article-not-found p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ===== Related Section ===== */
.related-section {
  padding: 0 0 80px;
}

.related-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.related-header h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 12px;
}

.related-header h2::before {
  content: '';
  width: 4px;
  height: 24px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--gold-400), var(--gold-600));
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(22,20,18,.04);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  display: block;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(216,177,106,.4);
}

.related-card-img {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.related-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.related-card:hover .related-card-img img {
  transform: scale(1.05);
}

.related-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(22,20,18,.5));
}

.related-card-body {
  padding: 20px 24px 24px;
}

.related-card-date {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.related-card-date i {
  color: var(--gold-500);
}

.related-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin-top: 8px;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s ease;
}

.related-card:hover .related-card-body h3 {
  color: var(--gold-600);
}

.related-more {
  text-align: center;
  margin-top: 32px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 28px;
  border-radius: var(--radius-btn);
  border: 1.5px solid var(--gold-500);
  color: var(--gold-600);
  font-size: 15px;
  font-weight: 500;
  background: transparent;
  cursor: pointer;
  transition: background .25s ease, color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.btn-outline:hover {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  color: var(--dark-bg);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(166,124,46,.22);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn-outline:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}

/* ===== Article CTA ===== */
.article-cta {
  padding: 0 0 100px;
}

.cta-inner {
  background: linear-gradient(135deg, var(--dark-bg), #2a241e);
  border-radius: 32px;
  padding: 44px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216,177,106,.15), transparent 70%);
}

.cta-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-invert);
  margin-bottom: 6px;
}

.cta-content p {
  font-size: 15px;
  color: rgba(242,237,228,.6);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--dark-bg);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: var(--radius-btn);
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(166,124,46,.35);
  filter: brightness(1.05);
}

.cta-btn:active {
  transform: translateY(0);
}

.cta-btn:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: 3px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark-bg);
  color: rgba(242,237,228,.7);
  padding: 64px 0 0;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-400), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-text strong {
  color: var(--text-invert);
}

.footer-brand .logo-text span {
  color: rgba(242,237,228,.5);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242,237,228,.55);
  max-width: 280px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-invert);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gold-400), transparent);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: rgba(242,237,228,.6);
  transition: color .2s ease, padding-left .2s ease;
}

.footer-col ul li a:hover {
  color: var(--gold-400);
  padding-left: 4px;
}

.footer-contact li {
  font-size: 14px;
  color: rgba(242,237,228,.6);
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact i {
  color: var(--gold-500);
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(242,237,228,.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(242,237,228,.4);
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  :root {
    --space-section: 80px;
  }

  .nav-menu {
    display: none;
  }

  .header-actions .search-box {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .header-actions .btn-login {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  :root {
    --space-section: 60px;
    --space-card: 20px;
  }

  .container {
    padding: 0 16px;
  }

  .header-inner {
    height: 64px;
    gap: 12px;
  }

  .logo-text strong {
    font-size: 16px;
  }

  .logo-text span {
    font-size: 10px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 15px;
    border-radius: 10px;
  }

  .header-actions .btn-primary {
    padding: 8px 16px;
    font-size: 13px;
  }

  .breadcrumb-wrap {
    padding: 16px 0 0;
  }

  .breadcrumb {
    font-size: 12px;
    gap: 6px;
  }

  .breadcrumb .current {
    max-width: 180px;
  }

  .article-section {
    padding: 24px 0 60px;
  }

  .article-main {
    padding: 24px 20px;
    border-radius: 20px;
  }

  .article-title {
    font-size: 24px;
  }

  .article-meta {
    gap: 12px;
    font-size: 13px;
  }

  .article-content {
    font-size: 15px;
  }

  .article-content h1,
  .article-content h2 {
    font-size: 21px;
    margin-top: 36px;
  }

  .article-content h3 {
    font-size: 18px;
    margin-top: 28px;
  }

  .article-content blockquote {
    padding: 14px 18px;
  }

  .article-content table {
    font-size: 13px;
  }

  .article-content table th,
  .article-content table td {
    padding: 8px 10px;
  }

  .related-section {
    padding: 0 0 60px;
  }

  .related-header h2 {
    font-size: 22px;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
    border-radius: 24px;
    gap: 20px;
  }

  .cta-content h3 {
    font-size: 20px;
  }

  .cta-content p {
    font-size: 14px;
  }

  .cta-btn {
    width: 100%;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .site-footer {
    padding-top: 48px;
  }

  .footer-col h4 {
    margin-bottom: 12px;
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .article-main {
    padding: 40px 36px;
  }

  .article-title {
    font-size: 30px;
  }
}

@media print {
  .site-header, .site-footer, .related-section, .article-cta, .breadcrumb-wrap {
    display: none;
  }

  body {
    background: #fff;
  }

  .article-main {
    box-shadow: none;
    padding: 0;
  }
}
