/* roulang page: index */
:root {
            --color-primary: #1a3a5c;
            --color-primary-dark: #0f2440;
            --color-primary-light: #2c5282;
            --color-accent: #c8963e;
            --color-accent-light: #d4a853;
            --color-accent-dark: #a67a2e;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-dark: #1a1f2e;
            --color-bg-section: #f0ede7;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-white: #f5f5f5;
            --color-border: #e0dcd5;
            --color-border-light: #ede9e2;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 50px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.18);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

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

        ul, ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin: 0;
        }

        h1 { font-size: 2.75rem; letter-spacing: -0.02em; }
        h2 { font-size: 2.2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }

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

        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.65rem; }
            h3 { font-size: 1.3rem; }
            .container-custom { padding: 0 16px; }
        }

        /* ===== 浮动 Dock 导航 ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: auto;
            max-width: 700px;
            transition: all var(--transition-normal);
        }

        .nav-dock {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-full);
            padding: 8px 10px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(200,195,185,0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all var(--transition-normal);
        }

        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            background: rgba(26,58,92,0.06);
            color: var(--color-primary-dark);
        }

        .nav-links-wrapper {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(26,58,92,0.05);
        }

        .nav-link.active {
            color: var(--color-accent-dark);
            background: rgba(200,150,62,0.10);
            font-weight: 600;
        }

        .nav-link:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-full);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(200,150,62,0.35);
            transform: translateY(-1px);
        }

        .nav-cta-btn:active {
            transform: scale(0.97);
            transition: transform 0.1s ease;
        }

        /* 移动端导航 */
        @media (max-width: 768px) {
            .site-header {
                top: 10px;
                max-width: 95vw;
                width: 95vw;
            }
            .nav-dock {
                border-radius: var(--radius-lg);
                padding: 6px 8px;
                gap: 2px;
                flex-wrap: wrap;
                justify-content: center;
            }
            .nav-logo {
                font-size: 1rem;
                padding: 8px 12px;
            }
            .nav-link {
                padding: 8px 12px;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                top: 6px;
            }
            .nav-dock {
                border-radius: var(--radius-md);
                padding: 6px;
                gap: 1px;
            }
            .nav-logo {
                font-size: 0.9rem;
                padding: 6px 10px;
            }
            .nav-link {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .nav-cta-btn {
                padding: 6px 14px;
                font-size: 0.8rem;
                border-radius: var(--radius-full);
            }
        }

        /* ===== Hero 板块 ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,36,64,0.82) 0%, rgba(26,58,92,0.7) 40%, rgba(15,36,64,0.78) 100%);
            z-index: 1;
        }

        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 2;
            pointer-events: none;
            background: radial-gradient(ellipse at 30% 50%, rgba(200,150,62,0.12) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 30%, rgba(212,168,83,0.08) 0%, transparent 50%);
        }

        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 800px;
            padding: 40px 24px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(200,150,62,0.18);
            color: var(--color-accent-light);
            border: 1px solid rgba(200,150,62,0.35);
            padding: 8px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 28px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(6px);
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 20px;
            line-height: 1.2;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }

        .hero-title span {
            color: var(--color-accent-light);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 36px;
            line-height: 1.7;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 32px;
            border-radius: var(--radius-full);
            font-size: 1.05rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
            box-shadow: 0 8px 28px rgba(200,150,62,0.3);
        }

        .btn-hero-primary:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 12px 36px rgba(200,150,62,0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-hero-primary:active {
            transform: scale(0.96);
            transition: transform 0.1s ease;
        }

        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 32px;
            border-radius: var(--radius-full);
            font-size: 1.05rem;
            font-weight: 600;
            background: rgba(255,255,255,0.12);
            color: #fff;
            border: 2px solid rgba(255,255,255,0.35);
            transition: all var(--transition-normal);
            cursor: pointer;
            backdrop-filter: blur(6px);
        }

        .btn-hero-secondary:hover {
            background: rgba(255,255,255,0.2);
            border-color: rgba(255,255,255,0.6);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-scroll-indicator {
            position: absolute;
            bottom: 36px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            animation: bounceDown 2s ease-in-out infinite;
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
        }

        .hero-scroll-indicator i {
            font-size: 1.4rem;
        }

        @keyframes bounceDown {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(10px); }
        }

        @media (max-width: 768px) {
            .hero-section { min-height: 90vh; background-attachment: scroll; }
            .hero-title { font-size: 2.2rem; }
            .hero-subtitle { font-size: 1rem; }
            .hero-buttons { flex-direction: column; align-items: center; }
            .btn-hero-primary, .btn-hero-secondary { width: 100%; max-width: 300px; justify-content: center; }
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
            background: rgba(200,150,62,0.08);
            padding: 6px 16px;
            border-radius: var(--radius-full);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-padding { padding: 56px 0; }
            .section-header { margin-bottom: 36px; }
            .section-title { font-size: 1.65rem; }
        }

        /* ===== 服务卡片板块 ===== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .service-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-slow);
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: transparent;
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(26,58,92,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-accent);
            margin-bottom: 20px;
            transition: all var(--transition-normal);
            flex-shrink: 0;
        }

        .service-card:hover .service-card-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--color-primary);
        }

        .service-card p {
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            flex-grow: 1;
        }

        .service-card-image {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 20px;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        @media (max-width: 1024px) {
            .services-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 640px) {
            .services-grid { grid-template-columns: 1fr; }
            .service-card { padding: 28px 20px; }
        }

        /* ===== 数据亮点板块 ===== */
        .stats-section {
            background: var(--color-primary);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 1;
        }

        .stats-inner {
            position: relative;
            z-index: 2;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-accent-light);
            margin-bottom: 6px;
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .stat-label {
            font-size: 1rem;
            color: rgba(255,255,255,0.8);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .stat-number { font-size: 2.2rem; }
        }

        @media (max-width: 480px) {
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
        }

        /* ===== CMS 信息列表板块 ===== */
        .info-list-section {
            background: var(--color-bg-section);
        }

        .info-cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .info-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

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

        .info-card-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .info-card-meta {
            display: flex;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 10px;
        }

        .info-card-category {
            background: rgba(200,150,62,0.1);
            color: var(--color-accent-dark);
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.8rem;
        }

        .info-card-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .info-card:hover .info-card-title {
            color: var(--color-accent-dark);
        }

        .info-card-excerpt {
            font-size: 0.93rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex-grow: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .info-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
        }

        .info-card-link:hover {
            color: var(--color-accent-dark);
            gap: 10px;
        }

        .info-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-light);
            font-size: 1rem;
            grid-column: 1 / -1;
        }

        @media (max-width: 768px) {
            .info-cards-grid { grid-template-columns: 1fr; }
        }

        /* ===== 流程板块 ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 30px 16px;
        }

        .process-step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
            transition: all var(--transition-normal);
        }

        .process-step:hover .process-step-num {
            background: var(--color-accent);
            box-shadow: 0 8px 24px rgba(200,150,62,0.4);
            transform: scale(1.08);
        }

        .process-step h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--color-primary);
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        @media (max-width: 1024px) {
            .process-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 520px) {
            .process-grid { grid-template-columns: 1fr; }
        }

        /* ===== FAQ 板块 ===== */
        .faq-section {
            background: var(--color-bg-white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 0;
            transition: all var(--transition-normal);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 22px 0;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-fast);
            font-family: var(--font-body);
            line-height: 1.5;
        }

        .faq-question:hover {
            color: var(--color-accent-dark);
        }

        .faq-question:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(26,58,92,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-normal);
            flex-shrink: 0;
            color: var(--color-accent);
        }

        .faq-item.active .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 0;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 0 20px;
        }

        .faq-answer p {
            color: var(--color-text-light);
            font-size: 0.98rem;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .faq-question { font-size: 1rem; padding: 18px 0; }
        }

        /* ===== CTA 板块 ===== */
        .cta-section {
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            position: relative;
            padding: 90px 0;
            text-align: center;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,58,92,0.88) 0%, rgba(15,36,64,0.9) 100%);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .cta-content h2 {
            color: #fff;
            font-size: 2.2rem;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: rgba(255,255,255,0.85);
            font-size: 1.05rem;
            margin-bottom: 32px;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 36px;
            border-radius: var(--radius-full);
            font-size: 1.1rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
            box-shadow: 0 10px 32px rgba(200,150,62,0.35);
        }

        .btn-cta:hover {
            background: #fff;
            color: var(--color-primary);
            box-shadow: 0 14px 40px rgba(255,255,255,0.25);
            transform: translateY(-3px);
        }

        .btn-cta:active {
            transform: scale(0.95);
            transition: transform 0.1s ease;
        }

        @media (max-width: 768px) {
            .cta-section { padding: 60px 0; }
            .cta-content h2 { font-size: 1.7rem; }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-bg-dark);
            padding: 48px 0 28px;
            color: rgba(255,255,255,0.7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }

        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.93rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            max-width: 320px;
        }

        .footer-col-title {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255,255,255,0.6);
            font-size: 0.93rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }

        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr; gap: 30px; text-align: center; }
            .footer-desc { max-width: 100%; margin: 0 auto; }
            .footer-links { align-items: center; }
        }

/* roulang page: article */
:root {
            --color-primary: #1B2D4F;
            --color-primary-light: #243B63;
            --color-accent: #C9A96E;
            --color-accent-dark: #B08B4A;
            --color-accent-light: #F5EDDD;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F5F0;
            --color-bg-dark: #0F1A2E;
            --color-text: #2D2D2D;
            --color-text-light: #6B7280;
            --color-text-on-dark: #E8E6E0;
            --color-border: #E5E0D8;
            --color-border-light: #F0EDE7;
            --color-success: #2D7D46;
            --color-danger: #C0392B;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(27, 45, 79, 0.06);
            --shadow-md: 0 4px 14px rgba(27, 45, 79, 0.08);
            --shadow-lg: 0 8px 30px rgba(27, 45, 79, 0.12);
            --shadow-xl: 0 16px 48px rgba(15, 26, 46, 0.18);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        /* Container */
        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Site Header & Navigation */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }
        .nav-dock {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-full);
            padding: 8px 10px 8px 22px;
            box-shadow: var(--shadow-lg);
            pointer-events: auto;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            border-color: var(--color-border);
        }
        .nav-logo {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--color-accent-dark);
        }
        .nav-links-wrapper {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link:hover {
            background: var(--color-accent-light);
            color: var(--color-primary);
        }
        .nav-link.active {
            background: var(--color-primary);
            color: #FFFFFF;
            font-weight: 600;
        }
        .nav-link.active:hover {
            background: var(--color-primary-light);
            color: #FFFFFF;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            font-size: 0.92rem;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--color-accent);
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            white-space: nowrap;
            margin-left: 4px;
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.35);
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-dark);
            color: #FFFFFF;
            box-shadow: 0 4px 16px rgba(176, 139, 74, 0.45);
            transform: translateY(-1px);
        }

        /* Article Banner */
        .article-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            margin-top: -80px;
            padding-top: 120px;
            padding-bottom: 48px;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 26, 46, 0.82) 0%, rgba(27, 45, 79, 0.9) 100%);
            z-index: 1;
        }
        .article-banner-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }
        .article-banner .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .article-banner .breadcrumb-row a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }
        .article-banner .breadcrumb-row a:hover {
            color: var(--color-accent);
        }
        .article-banner .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.7rem;
        }
        .article-banner h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.35;
            letter-spacing: -0.01em;
            margin-bottom: 14px;
        }
        .article-meta-tags {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.8);
        }
        .article-meta-tags .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-tags .meta-item i {
            font-size: 0.8rem;
            color: var(--color-accent);
        }
        .article-category-badge {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(201, 169, 110, 0.15);
            border: 1px solid rgba(201, 169, 110, 0.35);
            border-radius: var(--radius-full);
            white-space: nowrap;
        }

        /* Main Content Area */
        .article-main-section {
            padding: 48px 0 60px;
            background: var(--color-bg);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 44px;
            align-items: start;
        }
        .article-body {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            line-height: 1.85;
            font-size: 1.02rem;
            color: var(--color-text);
        }
        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 32px 0 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent-light);
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 26px 0 10px;
        }
        .article-body p {
            margin-bottom: 16px;
        }
        .article-body ul, .article-body ol {
            margin: 12px 0 20px 22px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--color-accent);
            background: var(--color-accent-light);
            padding: 16px 22px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--color-primary);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-md);
        }
        .article-body a {
            color: var(--color-accent-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--color-primary);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .article-body table th {
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .article-body table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--color-border-light);
        }
        .article-body table tr:nth-child(even) td {
            background: var(--color-bg-alt);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent-light);
        }
        .sidebar-service-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sidebar-service-list li {
            padding: 10px 14px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .sidebar-service-list li:hover {
            background: var(--color-accent-light);
            transform: translateX(3px);
        }
        .sidebar-service-list li i {
            color: var(--color-accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .sidebar-cta-card {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            color: #FFFFFF;
            border: none;
            box-shadow: var(--shadow-lg);
        }
        .sidebar-cta-card h4 {
            color: #FFFFFF;
            border-bottom-color: rgba(255, 255, 255, 0.25);
            font-size: 1.1rem;
        }
        .sidebar-cta-card p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .sidebar-cta-card .btn-sidebar-cta {
            display: inline-block;
            padding: 12px 28px;
            background: var(--color-accent);
            color: #FFFFFF;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.92rem;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(201, 169, 110, 0.4);
        }
        .sidebar-cta-card .btn-sidebar-cta:hover {
            background: #FFFFFF;
            color: var(--color-primary);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        /* Related Articles */
        .related-section {
            padding: 56px 0 64px;
            background: var(--color-bg-alt);
        }
        .related-section .section-label {
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent-dark);
            margin-bottom: 8px;
        }
        .related-section .section-heading {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 36px;
        }
        .related-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .related-card-body {
            padding: 18px 20px 20px;
        }
        .related-card-body .card-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
            margin-bottom: 6px;
        }
        .related-card-body h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .related-card-body h5 a {
            color: inherit;
        }
        .related-card-body h5 a:hover {
            color: var(--color-accent-dark);
        }
        .related-card-body .card-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.55;
        }

        /* CTA Section */
        .cta-section {
            padding: 64px 0;
            background: var(--color-bg);
        }
        .cta-block {
            background: linear-gradient(135deg, var(--color-primary) 0%, #1a3354 50%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #FFFFFF;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.12);
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }
        .cta-block .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: var(--color-accent);
            color: #FFFFFF;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.45);
            position: relative;
            z-index: 1;
        }
        .cta-block .btn-cta-large:hover {
            background: #FFFFFF;
            color: var(--color-primary);
            box-shadow: 0 8px 28px rgba(255, 255, 255, 0.35);
            transform: translateY(-2px);
        }
        .cta-block .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 34px;
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            margin-left: 12px;
        }
        .cta-block .btn-cta-outline:hover {
            border-color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
        }

        /* Not Found State */
        .not-found-section {
            padding: 100px 0 120px;
            text-align: center;
            background: var(--color-bg-alt);
        }
        .not-found-section .nf-icon {
            font-size: 4rem;
            color: var(--color-accent);
            margin-bottom: 20px;
        }
        .not-found-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .not-found-section p {
            color: var(--color-text-light);
            margin-bottom: 24px;
            font-size: 1rem;
        }
        .not-found-section .btn-back-home {
            display: inline-block;
            padding: 12px 30px;
            background: var(--color-primary);
            color: #FFFFFF;
            border-radius: var(--radius-full);
            font-weight: 600;
            transition: all var(--transition-fast);
        }
        .not-found-section .btn-back-home:hover {
            background: var(--color-accent-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 48px 0 0;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            font-size: 0.88rem;
            max-width: 320px;
        }
        .footer-col-title {
            font-weight: 700;
            color: #FFFFFF;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-links a i {
            width: 18px;
            text-align: center;
            margin-right: 4px;
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 280px;
                gap: 28px;
            }
            .article-body {
                padding: 30px 28px;
            }
            .article-banner h1 {
                font-size: 1.75rem;
            }
            .related-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 8px;
                padding: 0 8px;
            }
            .nav-dock {
                border-radius: var(--radius-lg);
                padding: 10px 14px;
                flex-wrap: wrap;
                gap: 8px;
                justify-content: center;
            }
            .nav-links-wrapper {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.8rem;
                margin-left: 2px;
            }
            .article-banner {
                min-height: 280px;
                margin-top: -60px;
                padding-top: 100px;
                padding-bottom: 32px;
            }
            .article-banner h1 {
                font-size: 1.4rem;
            }
            .article-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-sidebar {
                position: static;
            }
            .article-body {
                padding: 22px 18px;
                font-size: 0.95rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .related-cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-card-img {
                height: 200px;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h2 {
                font-size: 1.35rem;
            }
            .cta-block .btn-cta-outline {
                margin-left: 0;
                margin-top: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .nav-dock {
                border-radius: var(--radius-md);
                padding: 8px 10px;
                gap: 4px;
            }
            .nav-logo {
                font-size: 0.95rem;
            }
            .nav-link {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
            .nav-cta-btn {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .article-banner {
                min-height: 240px;
                padding-top: 90px;
                padding-bottom: 24px;
            }
            .article-banner h1 {
                font-size: 1.2rem;
            }
            .article-body {
                padding: 16px 12px;
                font-size: 0.9rem;
                border-radius: var(--radius-md);
            }
            .related-section .section-heading {
                font-size: 1.35rem;
            }
            .cta-block h2 {
                font-size: 1.2rem;
            }
            .cta-block p {
                font-size: 0.9rem;
            }
            .cta-block .btn-cta-large,
            .cta-block .btn-cta-outline {
                display: block;
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .cta-block .btn-cta-outline {
                margin-left: 0;
                margin-top: 10px;
            }
            .article-meta-tags {
                gap: 8px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0d2b45;
            --color-primary-light: #1a4668;
            --color-accent: #b8860b;
            --color-accent-light: #d4a840;
            --color-accent-glow: #f0d078;
            --color-bg: #f7f5f0;
            --color-bg-alt: #eef1f5;
            --color-white: #ffffff;
            --color-text: #1a1a1a;
            --color-text-soft: #5a5a5a;
            --color-text-muted: #7a7a7a;
            --color-border: #dcd7ce;
            --color-border-light: #e8e4dc;
            --color-success: #2e7d32;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 44px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 4px 20px rgba(184, 134, 11, 0.18);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
            --section-gap: 72px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

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

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-top: 0;
        }

        h1 {
            font-size: 2.8rem;
            letter-spacing: -0.01em;
        }
        h2 {
            font-size: 2.1rem;
            letter-spacing: -0.005em;
        }
        h3 {
            font-size: 1.45rem;
        }
        h4 {
            font-size: 1.2rem;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-lg {
            padding: 96px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            background: rgba(184, 134, 11, 0.07);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: 10px;
        }
        .section-title.text-center::after {
            margin-left: auto;
            margin-right: auto;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 640px;
            line-height: 1.6;
        }

        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--color-accent);
        }
        .text-primary {
            color: var(--color-primary);
        }
        .text-soft {
            color: var(--color-text-soft);
        }
        .text-muted {
            color: var(--color-text-muted);
        }

        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }
        .mb-5 {
            margin-bottom: 48px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 32px;
        }
        .mt-5 {
            margin-top: 48px;
        }

        .btn {
            display: inline-block;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            border: 2px solid transparent;
            transition: all var(--transition-normal);
            text-align: center;
            letter-spacing: 0.01em;
            position: relative;
            overflow: hidden;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent-light);
            box-shadow: 0 6px 28px rgba(184, 134, 11, 0.28);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-accent);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-white {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            box-shadow: var(--shadow-sm);
            font-weight: 700;
        }
        .btn-white:hover {
            background: #f0f0f0;
            border-color: #f0f0f0;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            color: var(--color-primary);
        }
        .btn-lg {
            padding: 16px 38px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }
        .btn:focus {
            outline: 3px solid rgba(184, 134, 11, 0.35);
            outline-offset: 2px;
        }

        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon.accent-bg {
            background: rgba(184, 134, 11, 0.1);
            color: var(--color-accent);
        }
        .card-icon.primary-bg {
            background: rgba(13, 43, 69, 0.08);
            color: var(--color-primary);
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .card-desc {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex-grow: 1;
        }

        .badge {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .badge-accent {
            background: rgba(184, 134, 11, 0.12);
            color: var(--color-accent);
        }
        .badge-primary {
            background: rgba(13, 43, 69, 0.08);
            color: var(--color-primary);
        }
        .badge-success {
            background: rgba(46, 125, 50, 0.08);
            color: var(--color-success);
        }

        .divider {
            border: none;
            border-top: 1px solid var(--color-border-light);
            margin: 0;
        }

        .bg-white {
            background: #fff;
        }
        .bg-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .bg-primary .section-title {
            color: #fff;
        }
        .bg-primary .section-title::after {
            background: var(--color-accent-glow);
        }
        .bg-primary .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }
        .bg-primary .card-title {
            color: var(--color-primary);
        }

        .overlay-dark {
            position: relative;
        }
        .overlay-dark::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1;
            pointer-events: none;
        }
        .overlay-dark>* {
            position: relative;
            z-index: 2;
        }

        .site-header {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 20px;
            pointer-events: none;
        }
        .nav-dock {
            max-width: 780px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 40px;
            padding: 10px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.10);
            border: 1px solid rgba(220, 215, 206, 0.6);
            pointer-events: all;
            transition: box-shadow var(--transition-normal);
        }
        .nav-dock:hover {
            box-shadow: 0 8px 36px rgba(0, 0, 0, 0.14);
        }
        .nav-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--color-accent);
        }
        .nav-links-wrapper {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            padding: 8px 16px;
            border-radius: 22px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(13, 43, 69, 0.05);
        }
        .nav-link.active {
            color: var(--color-accent);
            font-weight: 700;
            background: rgba(184, 134, 11, 0.08);
        }
        .nav-cta-btn {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            background: var(--color-accent);
            padding: 8px 20px;
            border-radius: 22px;
            white-space: nowrap;
            transition: all var(--transition-normal);
            box-shadow: 0 2px 10px rgba(184, 134, 11, 0.22);
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-light);
            box-shadow: 0 4px 18px rgba(184, 134, 11, 0.32);
            color: #fff;
            transform: translateY(-1px);
        }

        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            margin-top: -80px;
            padding-top: 120px;
            padding-bottom: 80px;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 680px;
            color: #fff;
        }
        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .hero-content h1 span {
            color: var(--color-accent-glow);
        }
        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.7;
            margin-bottom: 28px;
            text-shadow: 0 1px 6px rgba(0, 0, 0, 0.25);
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .hero-badge {
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 15px;
            border-radius: 20px;
            white-space: nowrap;
        }

        .stats-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 28px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            min-width: 140px;
            flex: 1 1 160px;
            max-width: 200px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin-top: 6px;
            font-weight: 500;
        }

        .process-timeline {
            position: relative;
            padding-left: 0;
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            counter-reset: step;
        }
        .process-step {
            flex: 1 1 180px;
            min-width: 160px;
            text-align: center;
            position: relative;
            padding: 20px 12px;
            counter-increment: step;
        }
        .process-step::before {
            content: counter(step);
            display: block;
            width: 48px;
            height: 48px;
            line-height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-accent);
        }
        .process-step::after {
            content: '';
            position: absolute;
            top: 44px;
            left: calc(50% + 36px);
            width: calc(100% - 24px);
            height: 3px;
            background: var(--color-border-light);
            z-index: 1;
            border-radius: 2px;
        }
        .process-step:last-child::after {
            display: none;
        }
        .process-step-title {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .process-step-desc {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 18px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
        }
        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--color-accent);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            color: var(--color-text-soft);
            font-size: 0.93rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 10px;
        }

        .cta-section {
            background: var(--color-primary);
            color: #fff;
            text-align: center;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: rgba(184, 134, 11, 0.13);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: rgba(184, 134, 11, 0.09);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
        }
        .cta-section .section-subtitle {
            color: rgba(255, 255, 255, 0.85);
        }

        .site-footer {
            background: #0f1f2e;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            line-height: 1.7;
        }
        .footer-col-title {
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-links a:hover {
            color: var(--color-accent-glow);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-glow);
        }

        @media screen and (max-width: 1024px) {
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.75rem;
            }
            .section {
                padding: 52px 0;
            }
            .hero-section {
                min-height: 460px;
                background-attachment: scroll;
            }
            .hero-content h1 {
                font-size: 2.4rem;
            }
            .stats-strip {
                gap: 16px;
            }
            .stat-card {
                flex: 1 1 130px;
                min-width: 120px;
                padding: 16px 18px;
            }
            .stat-number {
                font-size: 1.9rem;
            }
            .process-step::after {
                left: calc(50% + 28px);
                width: calc(100% - 16px);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --nav-height: 56px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 56px 0;
            }
            .hero-section {
                min-height: 400px;
                background-attachment: scroll;
                margin-top: -60px;
                padding-top: 100px;
                padding-bottom: 50px;
            }
            .hero-content h1 {
                font-size: 1.9rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .site-header {
                top: 8px;
                padding: 0 10px;
            }
            .nav-dock {
                border-radius: 30px;
                padding: 8px 14px;
                flex-wrap: nowrap;
                gap: 6px;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-link {
                font-size: 0.78rem;
                padding: 6px 10px;
                border-radius: 18px;
            }
            .nav-cta-btn {
                font-size: 0.75rem;
                padding: 6px 14px;
                border-radius: 18px;
            }
            .stats-strip {
                flex-wrap: wrap;
                gap: 10px;
                margin-top: -28px;
            }
            .stat-card {
                flex: 1 1 100px;
                min-width: 90px;
                padding: 14px 12px;
                border-radius: var(--radius-md);
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.72rem;
            }
            .process-timeline {
                flex-direction: column;
                gap: 0;
            }
            .process-step {
                flex: 1 1 auto;
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 16px;
                padding: 12px 0;
                min-width: auto;
            }
            .process-step::before {
                margin: 0;
                flex-shrink: 0;
                width: 40px;
                height: 40px;
                line-height: 40px;
                font-size: 1rem;
            }
            .process-step::after {
                display: none;
            }
            .process-step-title {
                margin-top: 4px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
            .card {
                padding: 20px 16px;
            }
            .faq-question {
                font-size: 0.95rem;
            }
        }

        @media screen and (max-width: 520px) {
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .hero-section {
                min-height: 340px;
                padding-top: 90px;
                padding-bottom: 40px;
            }
            .hero-content h1 {
                font-size: 1.55rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.9rem;
            }
            .nav-dock {
                border-radius: 24px;
                padding: 6px 10px;
            }
            .nav-logo {
                font-size: 0.9rem;
            }
            .nav-link {
                font-size: 0.7rem;
                padding: 5px 8px;
            }
            .nav-cta-btn {
                font-size: 0.7rem;
                padding: 5px 10px;
            }
            .stats-strip {
                gap: 8px;
                margin-top: -20px;
            }
            .stat-card {
                min-width: 70px;
                padding: 10px 8px;
            }
            .stat-number {
                font-size: 1.2rem;
            }
            .stat-label {
                font-size: 0.65rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }