/* roulang page: index */
/* ======== 基础 Reset / 设计变量 ======== */
        :root {
            --deep-green: #0B2E2A;
            --pine: #1B5E57;
            --coral: #F07C4A;
            --coral-light: #F5A55A;
            --warm-white: #F7F5F1;
            --dark-green: #071F1C;
            --ink: #2C3A37;
            --muted: #667A75;
            --faint: #96A69F;
            --aqua: #4FC3B2;
            --border-light: #E7E2D8;
            --radius-lg: 24px;
            --radius-md: 16px;
            --shadow-card: 0 4px 24px rgba(11, 46, 42, 0.06);
            --shadow-hover: 0 16px 48px rgba(11, 46, 42, 0.12);
        }

        *,
        *::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;
            background: var(--warm-white);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input {
            font-family: inherit;
        }

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

        .gradient-coral {
            background: linear-gradient(135deg, #F5A55A 0%, #F07C4A 100%);
        }

        .gradient-text-coral {
            background: linear-gradient(135deg, #F5A55A 0%, #F07C4A 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        /* ======== 按钮 ======== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 38px;
            border-radius: 9999px;
            background: linear-gradient(135deg, #F5A55A 0%, #F07C4A 100%);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 20px rgba(240, 124, 74, 0.35);
            transition: all 0.2s ease;
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(240, 124, 74, 0.45);
            filter: brightness(1.04);
        }
        .btn-primary:active {
            transform: translateY(0px);
            box-shadow: 0 4px 14px rgba(240, 124, 74, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 36px;
            border-radius: 9999px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 500;
            font-size: 1rem;
            transition: all 0.2s ease;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
            color: var(--pine);
            transition: all 0.2s ease;
            border-bottom: 1px solid transparent;
            padding-bottom: 2px;
        }
        .btn-text-link:hover {
            border-bottom-color: var(--pine);
            gap: 10px;
        }

        /* ======== 导航 ======== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(247, 245, 241, 0.92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: "Noto Serif SC", serif;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--deep-green);
            letter-spacing: 0.02em;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #F5A55A, #F07C4A);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 2px 10px rgba(240, 124, 74, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 42px;
        }

        .nav-link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--muted);
            letter-spacing: 0.05em;
            padding: 6px 0;
            position: relative;
            transition: color 0.2s ease;
            border-bottom: 2px solid transparent;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--coral-light), var(--coral));
            transition: width 0.25s ease;
        }
        .nav-link:hover {
            color: var(--deep-green);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--deep-green);
            font-weight: 600;
            background: rgba(27, 94, 87, 0.08);
            border-radius: 999px;
            padding: 6px 20px;
            border-bottom: none;
        }
        .nav-link.active::after {
            display: none;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--deep-green);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: all 0.2s ease;
            padding: 8px 0;
        }
        .nav-cta:hover {
            color: var(--coral);
            gap: 10px;
        }

        /* 汉堡菜单 */
        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: none;
            background: transparent;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }
        .menu-toggle span {
            width: 22px;
            height: 2px;
            background: var(--deep-green);
            display: block;
            transition: all 0.3s ease;
        }
        .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .menu-toggle.open span:nth-child(2) { opacity: 0; }
        .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 16px 24px 24px;
        }
        .mobile-menu.open { display: block; }
        .mobile-menu a {
            display: block;
            padding: 14px 0;
            font-size: 1.0625rem;
            color: var(--deep-green);
            border-bottom: 1px solid #f0ede6;
        }
        .mobile-menu a:last-child { border-bottom: none; }

        /* ======== Hero ======== */
        .hero {
            position: relative;
            background: linear-gradient(120deg, rgba(7, 31, 28, 0.97) 25%, rgba(11, 46, 42, 0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 180px 0 120px;
            color: #fff;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(245, 165, 90, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero h1 {
            font-family: "Noto Serif SC", serif;
            font-weight: 700;
            font-size: clamp(2.8rem, 5vw, 4rem);
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: clamp(1.125rem, 2vw, 1.375rem);
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.7;
            max-width: 540px;
            margin-bottom: 32px;
            font-weight: 300;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 28px;
            margin-bottom: 40px;
        }

        .hero-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.04em;
        }
        .hero-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--coral-light), var(--coral));
            flex-shrink: 0;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px 20px;
        }

        .hero-visual {
            position: relative;
        }

        .hero-card-float {
            position: absolute;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 16px;
            padding: 16px 20px;
            backdrop-filter: blur(8px);
            color: #fff;
        }

        /* ======== 通用板块 ======== */
        .section-padding {
            padding: 90px 0;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.2em;
            color: var(--pine);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: "Noto Serif SC", serif;
            font-weight: 700;
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            color: var(--deep-green);
            line-height: 1.35;
        }

        .section-desc {
            color: var(--muted);
            font-size: 1rem;
            line-height: 1.8;
            max-width: 640px;
        }

        /* ======== 品牌故事 ======== */
        .brand-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-hover);
        }

        .brand-badge-overlay {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(11, 46, 42, 0.85);
            backdrop-filter: blur(6px);
            border-radius: 16px;
            padding: 14px 20px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .brand-badge-overlay .num {
            font-size: 1.75rem;
            font-weight: 700;
            background: linear-gradient(135deg, #F5A55A, #F07C4A);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px 0;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(27, 94, 87, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--pine);
            font-size: 1.25rem;
            flex-shrink: 0;
            transition: all 0.2s ease;
        }
        .feature-icon.gold {
            background: rgba(240, 124, 74, 0.12);
            color: var(--coral);
        }
        .feature-item:hover .feature-icon {
            transform: scale(1.08);
        }

        /* ======== 精选内容卡 ======== */
        .featured-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: block;
            position: relative;
        }
        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .featured-card .img-wrap {
            overflow: hidden;
        }
        .featured-card .img-wrap img {
            transition: transform 0.4s ease;
            width: 100%;
            object-fit: cover;
        }
        .featured-card:hover .img-wrap img {
            transform: scale(1.04);
        }
        .card-cat-tag {
            display: inline-block;
            background: rgba(27, 94, 87, 0.1);
            color: var(--pine);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
        }
        .card-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--deep-green);
            line-height: 1.45;
            transition: color 0.2s ease;
        }
        .featured-card:hover .card-title {
            color: var(--pine);
        }
        .card-summary {
            font-size: 0.875rem;
            color: var(--muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ======== 最新资讯列表 ======== */
        .news-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 14px 28px;
        }

        .news-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            padding: 20px 8px;
            border-bottom: 1px solid var(--border-light);
            transition: background 0.2s ease;
            border-radius: 8px;
        }
        .news-row:last-child {
            border-bottom: none;
        }
        .news-row:hover {
            background: rgba(27, 94, 87, 0.04);
        }

        .news-date {
            font-family: "Noto Serif SC", serif;
            font-weight: 600;
            color: var(--coral);
            font-size: 0.9375rem;
            min-width: 70px;
            letter-spacing: 0.04em;
        }
        .news-cat {
            background: rgba(79, 195, 178, 0.14);
            color: var(--pine);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 999px;
            padding: 3px 12px;
            white-space: nowrap;
        }
        .news-body {
            flex: 1;
            min-width: 200px;
        }
        .news-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.5;
            margin-bottom: 4px;
            transition: color 0.2s ease;
        }
        .news-row:hover .news-title {
            color: var(--pine);
        }
        .news-summary {
            font-size: 0.8125rem;
            color: var(--faint);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-link {
            color: var(--pine);
            font-size: 0.875rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all 0.2s ease;
        }
        .news-row:hover .news-link {
            gap: 8px;
            color: var(--coral);
        }

        .news-empty {
            padding: 40px 20px;
            text-align: center;
            color: var(--faint);
            font-size: 0.9375rem;
            border: 1px dashed var(--border-light);
            border-radius: var(--radius-md);
            background: #faf9f6;
        }

        /* ======== 数据徽章 ======== */
        .trust-section {
            background: var(--dark-green);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .trust-section::before {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(79, 195, 178, 0.08) 0%, transparent 70%);
        }
        .stat-block {
            text-align: center;
            padding: 24px 30px;
            border-right: 1px solid rgba(255, 255, 255, 0.12);
        }
        .stat-block:last-child {
            border-right: none;
        }
        .stat-number {
            font-family: "Noto Serif SC", serif;
            font-weight: 700;
            font-size: clamp(2.5rem, 4vw, 3.5rem);
            background: linear-gradient(135deg, #F5A55A, #F07C4A);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .stat-label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9375rem;
            letter-spacing: 0.06em;
            margin-top: 8px;
            font-weight: 400;
        }

        /* ======== FAQ ======== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 24px 26px;
            border-left: 3px solid transparent;
            transition: all 0.25s ease;
        }
        .faq-item:hover {
            border-left-color: var(--coral);
            box-shadow: var(--shadow-hover);
        }
        .faq-q {
            font-size: 1rem;
            font-weight: 700;
            color: var(--deep-green);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-q .dot-marker {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--coral-light), var(--coral));
            flex-shrink: 0;
        }
        .faq-a {
            font-size: 0.9375rem;
            color: var(--muted);
            line-height: 1.75;
            padding-left: 18px;
            border-left: 2px solid var(--border-light);
        }

        /* ======== CTA ======== */
        .cta-area {
            background: linear-gradient(135deg, #1B5E57 0%, #0B2E2A 100%);
            border-radius: 28px;
            padding: 64px 48px;
            position: relative;
            overflow: hidden;
        }
        .cta-area::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(245, 165, 90, 0.2) 0%, transparent 70%);
        }
        .cta-area h2 {
            font-family: "Noto Serif SC", serif;
            font-weight: 700;
            color: #fff;
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            line-height: 1.4;
        }
        .cta-area p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9375rem;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 440px;
            width: 100%;
            margin-top: 24px;
        }
        .cta-form input {
            flex: 1;
            height: 50px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 0 22px;
            font-size: 0.9375rem;
            outline: none;
            transition: all 0.2s ease;
            min-width: 0;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            border-color: var(--coral-light);
            box-shadow: 0 0 0 4px rgba(245, 165, 90, 0.2);
        }
        .cta-form button {
            height: 50px;
            padding: 0 30px;
            border-radius: 999px;
            border: none;
            background: linear-gradient(135deg, #F5A55A, #F07C4A);
            color: #fff;
            font-weight: 600;
            font-size: 0.9375rem;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .cta-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 124, 74, 0.4);
        }
        .cta-form button:active {
            transform: translateY(0);
        }

        /* ======== 页脚 ======== */
        .site-footer {
            background: var(--deep-green);
            color: rgba(255, 255, 255, 0.65);
            padding: 70px 0 0;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--pine), var(--aqua), transparent);
        }
        .footer-brand {
            font-family: "Noto Serif SC", serif;
            font-weight: 700;
            font-size: 1.5rem;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 18px;
            max-width: 300px;
        }
        .footer-title {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.875rem;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: 60px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

        .back-to-top {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8125rem;
            transition: all 0.2s ease;
        }
        .back-to-top:hover {
            color: #fff;
            gap: 10px;
        }

        /* ======== 响应式 ======== */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 24px;
            }
            .hero {
                padding: 150px 0 90px;
            }
        }

        @media (max-width: 768px) {
            .nav-links,
            .nav-cta {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .section-padding {
                padding: 64px 0;
            }
            .hero {
                padding: 130px 0 70px;
            }
            .stat-block {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding: 30px 20px;
            }
            .stat-block:last-child {
                border-bottom: none;
            }
            .cta-area {
                padding: 44px 24px;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                width: 100%;
            }
            .cta-form button {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .brand-badge-overlay {
                bottom: 12px;
                left: 12px;
                padding: 12px 16px;
            }
            .footer-bottom {
                font-size: 0.75rem;
                padding: 18px 8px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-dark: #0B2E2A;
            --primary-teal: #1B5E57;
            --accent-start: #F5A55A;
            --accent-end: #F07C4A;
            --bg-warm: #F7F5F1;
            --bg-deep: #071F1C;
            --text-main: #2C3A37;
            --text-secondary: #667A75;
            --text-muted: #96A69F;
            --border-light: #E7E2D8;
            --border-dark: rgba(255,255,255,0.12);
            --accent-aqua: #4FC3B2;
            --radius-large: 24px;
            --radius-medium: 16px;
            --radius-small: 12px;
            --shadow-default: 0 4px 24px rgba(11,46,42,0.06);
            --shadow-hover: 0 16px 48px rgba(11,46,42,0.12);
            --container-max: 1200px;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-warm);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 0.9375rem;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
        img { max-width: 100%; height: auto; display: block; }
        button, input { font-family: inherit; }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(247,245,241,0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow 0.2s ease;
        }
        .site-header.scrolled { box-shadow: 0 4px 20px rgba(11,46,42,0.06); }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.02em;
            transition: opacity 0.2s ease;
        }
        .logo:hover { opacity: 0.8; }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
            color: #fff;
            font-size: 0.9375rem;
            box-shadow: 0 4px 14px rgba(240,124,74,0.3);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
        }
        .nav-links .nav-link {
            position: relative;
            font-size: 0.9375rem;
            letter-spacing: 0.05em;
            color: var(--text-main);
            padding: 8px 2px;
            font-weight: 500;
        }
        .nav-links .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            height: 2px;
            width: 0;
            background: linear-gradient(to right, var(--accent-start), var(--accent-end));
            transition: width 0.3s ease;
        }
        .nav-links .nav-link:hover::after,
        .nav-links .nav-link.active::after { width: 100%; }
        .nav-links .nav-link.active { color: var(--primary-teal); }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--primary-teal);
            font-weight: 500;
            padding: 6px 0;
        }
        .nav-cta:hover { color: var(--accent-end); }
        .nav-cta i { font-size: 0.6875rem; transition: transform 0.2s ease; }
        .nav-cta:hover i { transform: translateX(3px); }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }
        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary-dark);
            border-radius: 2px;
            transition: all 0.2s ease;
        }
        .mobile-menu {
            display: none;
            background: var(--bg-warm);
            border-top: 1px solid var(--border-light);
            padding: 20px 24px 28px;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 8px;
            font-size: 1.0625rem;
            color: var(--text-main);
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-menu a:last-child { border-bottom: none; }
        .mobile-menu a.active { color: var(--primary-teal); font-weight: 600; }

        /* ===== 通用区块标题 ===== */
        .section-eyebrow {
            font-size: 0.75rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: var(--primary-teal);
            font-weight: 600;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.3;
            letter-spacing: 0.01em;
            margin-bottom: 16px;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
            color: #fff;
            font-weight: 600;
            font-size: 0.9375rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 8px 24px rgba(240,124,74,0.28);
            transition: all 0.2s ease;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(240,124,74,0.36);
            color: #fff;
        }
        .btn-primary:active { transform: translateY(0); }

        /* ===== 页面标题区 ===== */
        .page-hero {
            position: relative;
            background: var(--bg-warm);
            padding: 88px 0 64px;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(247,245,241,0.72);
        }
        .page-hero .hero-content { position: relative; z-index: 2; max-width: 720px; }
        .hero-eyebrow {
            font-size: 0.75rem;
            letter-spacing: 0.2em;
            color: var(--primary-teal);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 16px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-eyebrow::before {
            content: "";
            display: inline-block;
            width: 24px;
            height: 2px;
            background: linear-gradient(to right, var(--accent-start), var(--accent-end));
        }
        .page-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .page-description {
            font-size: 1.0625rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 560px;
        }
        .hero-meta-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(27,94,87,0.08);
            color: var(--primary-teal);
            font-size: 0.8125rem;
            font-weight: 500;
        }
        .hero-badge::before {
            content: "";
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-end);
        }

        /* ===== 分类内容区 ===== */
        .cat-section { padding: 80px 0; }
        .cat-section.alt { background: #fff; }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-medium);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            transition: all 0.2s ease;
            border: 1px solid var(--border-light);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-img { position: relative; overflow: hidden; }
        .card-img img { width: 100%; object-fit: cover; transition: transform 0.3s ease; }
        .feature-card:hover .card-img img { transform: scale(1.03); }
        .card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 4px 12px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .feature-card-body { padding: 24px; }
        .feature-card-body h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .feature-card-body p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .text-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary-teal);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .text-link i { font-size: 0.6875rem; transition: transform 0.2s ease; }
        .text-link:hover { color: var(--accent-end); }
        .text-link:hover i { transform: translateX(4px); }

        /* 紧凑列表 */
        .compact-list { display: flex; flex-direction: column; gap: 12px; }
        .compact-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px;
            border-radius: var(--radius-medium);
            border: 1px solid var(--border-light);
            background: #fff;
            transition: all 0.2s ease;
        }
        .compact-item:hover {
            background: rgba(27,94,87,0.04);
            border-color: rgba(27,94,87,0.2);
        }
        .compact-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-small);
            object-fit: cover;
            flex-shrink: 0;
        }
        .compact-info h4 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .compact-info p {
            font-size: 0.8125rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== 卖点特征 ===== */
        .value-features { display: flex; flex-direction: column; gap: 24px; }
        .value-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px;
            border-radius: var(--radius-medium);
            background: rgba(79,195,178,0.04);
            border-left: 2px solid var(--accent-aqua);
        }
        .value-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(79,195,178,0.12);
            color: var(--accent-aqua);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .value-item h4 { font-size: 1rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 4px; }
        .value-item p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }

        /* ===== 场景区 ===== */
        .scene-card {
            border-radius: var(--radius-large);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-default);
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: all 0.2s ease;
        }
        .scene-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .scene-card .scene-img { height: 200px; overflow: hidden; }
        .scene-card .scene-img img { width: 100%; height: 100%; object-fit: cover; }
        .scene-body { padding: 28px; }
        .scene-body h3 { font-size: 1.125rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; }
        .scene-body p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }

        /* ===== 流程 ===== */
        .steps-grid {
            display: flex;
            gap: 24px;
            margin-top: 40px;
        }
        .step-item {
            flex: 1;
            position: relative;
            padding: 28px 24px;
            border-radius: var(--radius-medium);
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            transition: all 0.2s ease;
        }
        .step-item:hover { background: rgba(255,255,255,0.08); }
        .step-number {
            font-size: 2rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
            display: inline-block;
        }
        .step-item h4 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 6px; }
        .step-item p { font-size: 0.8125rem; color: rgba(255,255,255,0.6); line-height: 1.6; }

        /* ===== FAQ ===== */
        .faq-wrap { max-width: 780px; margin: 0 auto; }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-medium);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.2s ease;
        }
        .faq-item.open { border-color: var(--primary-teal); box-shadow: var(--shadow-default); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-dark);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(27,94,87,0.08);
            color: var(--primary-teal);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            transition: all 0.2s ease;
        }
        .faq-item.open .faq-icon { background: var(--primary-teal); color: #fff; transform: rotate(45deg); }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.9375rem;
            color: var(--text-secondary);
            line-height: 1.75;
            border-left: 2px solid var(--accent-start);
            margin-left: 24px;
            display: none;
        }
        .faq-answer.show { display: block; }

        /* ===== CTA ===== */
        .cta-section { padding: 80px 0; }
        .cta-card {
            background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-large);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(240,124,74,0.2);
            filter: blur(40px);
        }
        .cta-card h2 {
            font-size: 1.75rem;
            color: #fff;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            color: rgba(255,255,255,0.72);
            font-size: 1rem;
            line-height: 1.7;
            max-width: 480px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding-top: 64px;
            border-top: 2px solid rgba(79,195,178,0.3);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.8;
            color: rgba(255,255,255,0.6);
            max-width: 300px;
        }
        .footer-title {
            font-size: 0.9375rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            font-size: 0.875rem;
            color: rgba(255,255,255,0.6);
            transition: all 0.2s ease;
        }
        .footer-links a:hover { color: var(--accent-start); }
        .back-to-top { color: rgba(255,255,255,0.6); font-size: 0.875rem; }
        .back-to-top:hover { color: var(--accent-start); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 24px 0;
            text-align: center;
            font-size: 0.8125rem;
            color: rgba(255,255,255,0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-links { gap: 24px; }
            .page-title { font-size: 2rem; }
            .steps-grid { flex-wrap: wrap; }
            .step-item { flex: 1 1 calc(50% - 12px); }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none !important; }
            .mobile-toggle { display: flex; }
            .mobile-menu.mobile-open { display: block; }
            .site-header .container-custom { height: 64px; }
            .page-hero { padding: 56px 0 48px; }
            .page-title { font-size: 1.75rem; }
            .section-title { font-size: 1.5rem; }
            .cat-section { padding: 56px 0; }
            .value-features { gap: 16px; }
            .cta-card { padding: 40px 24px; }
        }
        @media (max-width: 520px) {
            .container-custom { padding-left: 16px; padding-right: 16px; }
            .page-title { font-size: 1.5rem; }
            .step-item { flex: 1 1 100%; }
            .hero-badge { font-size: 0.75rem; padding: 5px 10px; }
        }

/* roulang page: article */
/* ========== Design Tokens ========== */
        :root {
            --primary: #0B2E2A;
            --primary-light: #1B5E57;
            --accent-1: #F5A55A;
            --accent-2: #F07C4A;
            --bg-warm: #F7F5F1;
            --bg-dark: #071F1C;
            --text-body: #2C3A37;
            --text-secondary: #667A75;
            --text-muted: #96A69F;
            --accent-contrast: #4FC3B2;
            --border-light: #E7E2D8;
            --border-dark: rgba(255, 255, 255, 0.12);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 4px 24px rgba(11, 46, 42, 0.06);
            --shadow-hover: 0 16px 48px rgba(11, 46, 42, 0.12);
        }

        /* ========== Base Reset ========== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-warm);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
            background: none;
            border: none;
            cursor: pointer;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent-1);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        /* ========== Header ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(247, 245, 241, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow .3s ease, background .3s ease;
        }
        .site-header.scrolled {
            background: rgba(247, 245, 241, 0.97);
            box-shadow: 0 8px 32px rgba(11, 46, 42, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            transition: opacity .2s;
        }
        .site-logo:hover {
            opacity: 0.85;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            box-shadow: 0 4px 12px rgba(240, 124, 74, 0.3);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
        }
        .nav-link {
            padding: 8px 2px;
            font-size: 0.9375rem;
            letter-spacing: 0.05em;
            color: var(--text-body);
            position: relative;
            transition: color .2s;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-light), var(--accent-1));
            transition: width .3s ease;
        }
        .nav-link:hover {
            color: var(--primary-light);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary-light);
            font-weight: 500;
        }
        .nav-link.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9375rem;
            color: var(--primary-light);
            font-weight: 500;
            padding: 8px 0;
            transition: gap .2s;
        }
        .header-cta:hover {
            gap: 12px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
        }
        .menu-toggle span {
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }
        .menu-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 24px 20px;
            z-index: 99;
            box-shadow: 0 20px 40px rgba(11, 46, 42, 0.08);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 0;
            font-size: 1.0625rem;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-body);
            transition: color .2s, padding-left .2s;
        }
        .mobile-menu a:hover {
            color: var(--primary-light);
            padding-left: 6px;
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }

        /* ========== Article Hero ========== */
        .article-hero {
            position: relative;
            padding: 120px 0 80px;
            background: linear-gradient(135deg, rgba(7, 31, 28, 0.92), rgba(27, 94, 87, 0.78)),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(245, 165, 90, 0.22) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: var(--accent-1);
        }
        .breadcrumb i {
            font-size: 0.625rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.9);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 320px;
        }
        .article-hero h1 {
            font-size: 2.5rem;
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: 0.02em;
            max-width: 840px;
            margin-bottom: 24px;
        }
        .article-meta {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-meta i {
            color: var(--accent-1);
            font-size: 0.8125rem;
        }

        /* ========== Article Main ========== */
        .article-main {
            padding: 56px 0 90px;
            background: var(--bg-warm);
        }
        .article-cover {
            max-width: 1000px;
            margin: 0 auto 52px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .article-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            pointer-events: none;
        }
        .article-cover img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .article-content {
            max-width: 760px;
            margin: 0 auto 70px;
            color: var(--text-body);
        }
        .article-content p {
            font-size: 1rem;
            line-height: 1.9;
            margin-bottom: 1.5rem;
        }
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.4;
            margin: 2.25rem 0 1rem;
            color: var(--primary);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            line-height: 1.4;
            margin: 2rem 0 0.75rem;
            color: var(--primary);
        }
        .article-content h4 {
            font-size: 1.0625rem;
            font-weight: 600;
            line-height: 1.5;
            margin: 1.75rem 0 0.625rem;
            color: var(--primary);
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 1.5rem 1.5rem;
        }
        .article-content ul li {
            list-style: disc;
            margin-bottom: 0.5rem;
            padding-left: 0.25rem;
        }
        .article-content ol li {
            list-style: decimal;
            margin-bottom: 0.5rem;
            padding-left: 0.25rem;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary-light);
            background: rgba(27, 94, 87, 0.06);
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: var(--text-secondary);
            margin: 1.75rem 0;
        }
        .article-content img {
            border-radius: var(--radius-sm);
            margin: 1.75rem auto;
            box-shadow: var(--shadow-card);
        }
        .article-content a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color .2s;
        }
        .article-content a:hover {
            color: var(--accent-2);
        }
        .article-content code {
            background: rgba(27, 94, 87, 0.08);
            border-radius: 6px;
            padding: 2px 8px;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            font-size: 0.875em;
        }
        .article-content pre {
            background: var(--bg-dark);
            color: #e8f0ec;
            border-radius: var(--radius-sm);
            padding: 1.25rem 1.5rem;
            overflow-x: auto;
            line-height: 1.7;
            margin: 1.75rem 0;
            font-size: 0.875rem;
        }
        .article-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
            font-size: inherit;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.75rem 0;
            font-size: 0.9375rem;
        }
        .article-content th {
            background: rgba(27, 94, 87, 0.08);
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            padding: 10px 14px;
            border: 1px solid var(--border-light);
        }
        .article-content td {
            padding: 10px 14px;
            border: 1px solid var(--border-light);
        }
        .article-content hr {
            border: none;
            border-top: 1px solid var(--border-light);
            margin: 2.5rem 0;
        }

        /* ========== Post Nav ========== */
        .post-nav {
            display: flex;
            gap: 24px;
            max-width: 1020px;
            margin: 0 auto 70px;
        }
        .post-nav-item {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: box-shadow .25s, transform .25s;
        }
        .post-nav-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .post-nav-item.text-right {
            justify-content: flex-end;
            text-align: right;
        }
        .post-nav-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(27, 94, 87, 0.08);
            color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.875rem;
            flex-shrink: 0;
            transition: background .25s, color .25s, transform .25s;
        }
        .post-nav-item:hover .post-nav-icon {
            background: var(--primary-light);
            color: #fff;
        }
        .post-nav-item:hover .post-nav-icon .fa-arrow-left {
            transform: translateX(-2px);
        }
        .post-nav-item:hover .post-nav-icon .fa-arrow-right {
            transform: translateX(2px);
        }
        .post-nav-item .post-nav-label {
            display: block;
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .post-nav-item h4 {
            font-size: 1rem;
            color: var(--text-body);
            font-weight: 500;
            line-height: 1.4;
            transition: color .2s;
        }
        .post-nav-item:hover h4 {
            color: var(--primary-light);
        }

        /* ========== Related ========== */
        .related-section {
            max-width: 1200px;
            margin: 0 auto 70px;
        }
        .section-head {
            margin-bottom: 36px;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .section-eyebrow {
            font-size: 0.75rem;
            letter-spacing: 0.2em;
            color: var(--primary-light);
            font-weight: 600;
        }
        .section-head h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: box-shadow .25s, transform .25s;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .related-thumb {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .related-card:hover .related-thumb img {
            transform: scale(1.05);
        }
        .tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(27, 94, 87, 0.12);
            color: var(--primary-light);
            position: absolute;
            top: 12px;
            left: 12px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .related-body {
            padding: 20px 22px 24px;
        }
        .related-body h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-body);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: color .2s;
        }
        .related-card:hover .related-body h3 {
            color: var(--primary-light);
        }
        .related-body p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        /* ========== CTA ========== */
        .article-cta {
            max-width: 1020px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-dark) 75%);
            border-radius: var(--radius-lg);
            text-align: center;
            padding: 60px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(245, 165, 90, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-cta h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .article-cta p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            color: #fff;
            font-weight: 600;
            font-size: 0.9375rem;
            box-shadow: 0 8px 24px rgba(240, 124, 74, 0.35);
            transition: transform .2s, box-shadow .2s;
            position: relative;
            z-index: 1;
        }
        .btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(240, 124, 74, 0.45);
        }
        .btn-main:active {
            transform: translateY(1px);
            box-shadow: 0 4px 16px rgba(240, 124, 74, 0.35);
        }
        .btn-main i {
            font-size: 0.8125rem;
            transition: transform .2s;
        }
        .btn-main:hover i {
            transform: translateX(3px);
        }

        /* ========== Not Found ========== */
        .not-found {
            max-width: 620px;
            margin: 40px auto;
            text-align: center;
            background: #fff;
            border: 1px dashed var(--border-light);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
        }
        .not-found-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(27, 94, 87, 0.08);
            color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin: 0 auto 20px;
        }
        .not-found h2 {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 12px;
            font-weight: 700;
        }
        .not-found p {
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary);
            color: #fff;
            padding: 64px 0 28px;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--primary-light), rgba(79, 195, 178, 0.5), transparent);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.375rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            line-height: 1.8;
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.05em;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            transition: color .2s, padding-left .2s;
        }
        .footer-links a:hover {
            color: var(--accent-1);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.8125rem;
            text-align: center;
        }
        .back-to-top {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            transition: color .2s, gap .2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .back-to-top:hover {
            color: var(--accent-1);
        }

        /* ========== Fade Up Animation ========== */
        .js-enabled .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity .7s ease, transform .7s ease;
        }
        .js-enabled .fade-up.visible {
            opacity: 1;
            transform: none;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-hero h1 {
                font-size: 2.25rem;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .article-hero {
                padding: 100px 0 60px;
            }
            .article-hero h1 {
                font-size: 1.875rem;
            }
            .article-meta {
                gap: 14px;
                font-size: 0.8125rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .article-main {
                padding: 44px 0 70px;
            }
            .article-cover img {
                height: 280px;
            }
            .article-content {
                margin-bottom: 56px;
            }
            .post-nav {
                flex-direction: column;
                margin-bottom: 56px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-cta {
                padding: 48px 24px;
            }
            .article-cta h2 {
                font-size: 1.5rem;
            }
            .site-footer {
                padding: 48px 0 24px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-logo {
                font-size: 1.125rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.875rem;
            }
            .article-hero {
                padding: 88px 0 48px;
            }
            .article-hero h1 {
                font-size: 1.625rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                margin-bottom: 20px;
            }
            .breadcrumb .current {
                max-width: 180px;
            }
            .article-cover img {
                height: 220px;
            }
            .related-thumb {
                height: 200px;
            }
            .post-nav-item {
                padding: 16px 18px;
            }
            .article-cta {
                padding: 44px 20px;
                border-radius: 20px;
            }
            .btn-main {
                padding: 12px 26px;
                font-size: 0.875rem;
            }
            .footer-brand {
                font-size: 1.25rem;
            }
        }