/* roulang page: index */
:root {
            --primary: #2C5F8A;
            --primary-dark: #1E4A6B;
            --primary-light: #3A7AB5;
            --secondary: #EAF2F8;
            --accent: #C9A96E;
            --accent-light: #D9C48E;
            --text-main: #1E2B3C;
            --text-secondary: #5A6B7F;
            --text-weak: #8A9BAE;
            --bg-global: #F7F9FC;
            --bg-white: #FFFFFF;
            --bg-card: #FFFFFF;
            --bg-footer: #1E2B3C;
            --border-light: #E5EAF0;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.08);
            --shadow-xl: 0 16px 40px rgba(0,0,0,0.10);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --font-base: 16px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --nav-height: 64px;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: var(--font-base);
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            color: var(--text-main);
            background-color: var(--bg-global);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

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

        /* ========== 导航 ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.06);
            box-shadow: 0 1px 8px rgba(0,0,0,0.04);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-nav.scrolled {
            background: rgba(255,255,255,0.98);
            box-shadow: 0 2px 16px rgba(0,0,0,0.08);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--primary-dark);
        }

        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: width var(--transition-smooth);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.3px;
        }

        .btn-nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(44,95,138,0.35);
        }

        .nav-badge {
            display: inline-flex;
            align-items: center;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            white-space: nowrap;
            animation: pulse-badge 2s ease-in-out infinite;
            letter-spacing: 0.5px;
        }

        @keyframes pulse-badge {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.85; transform: scale(1.04); }
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--text-main);
            font-size: 1.5rem;
            line-height: 1;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 20px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 14px 18px;
            font-size: 1.05rem;
            color: var(--text-main);
            font-weight: 500;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: var(--secondary);
            color: var(--primary);
        }

        .mobile-menu .btn-nav-cta {
            margin-top: 12px;
            text-align: center;
            justify-content: center;
            padding: 14px 24px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-actions .nav-badge { display: none; }
            .nav-toggle { display: block; }
            .nav-actions .btn-nav-cta { display: none; }
        }

        /* ========== Hero 板块 ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            background-blend-mode: overlay;
            margin-top: 0;
            padding-top: var(--nav-height);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30,43,60,0.82) 0%, rgba(30,43,60,0.55) 40%, rgba(44,95,138,0.35) 70%, rgba(247,249,252,0.05) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 60px 20px 80px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            width: 100%;
        }

        .hero-text {
            flex: 1;
            max-width: 620px;
        }

        .hero-text h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin: 0 0 20px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(0,0,0,0.25);
        }

        .hero-text .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.88);
            line-height: 1.6;
            margin: 0 0 32px;
            max-width: 500px;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

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

        .hero-stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-top: 2px;
        }

        .hero-visual-card {
            flex-shrink: 0;
            width: 280px;
            height: 360px;
            background: rgba(255,255,255,0.13);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255,255,255,0.2);
            overflow: hidden;
            transform: rotate(-3deg);
            box-shadow: 0 20px 50px rgba(0,0,0,0.25);
            transition: transform var(--transition-smooth);
        }

        .hero-visual-card:hover {
            transform: rotate(-1deg) translateY(-4px);
        }

        .hero-visual-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 70vh;
            }
            .hero-content {
                flex-direction: column;
                padding: 40px 20px 60px;
                gap: 30px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-text .hero-subtitle {
                font-size: 1rem;
            }
            .hero-visual-card {
                width: 180px;
                height: 240px;
                transform: rotate(-2deg);
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.55rem;
            }
            .hero-visual-card {
                width: 140px;
                height: 190px;
            }
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 70px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 16px;
        }

        .section-title h2 {
            font-size: 1.875rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            letter-spacing: -0.3px;
            display: inline-block;
            position: relative;
        }

        .section-title h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            margin: 12px auto 0;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto 40px;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 48px 0;
            }
            .section-title h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== 品牌故事板块 ========== */
        .brand-story {
            background: var(--bg-white);
        }

        .brand-story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .brand-story-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            position: relative;
        }

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

        .brand-story-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

        .brand-story-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 16px;
        }

        .brand-story-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 14px;
            font-size: 1rem;
        }

        .brand-story-highlights {
            display: flex;
            gap: 20px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .brand-highlight-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--primary);
            font-weight: 600;
        }

        .brand-highlight-item i {
            color: var(--accent);
            font-size: 1.1rem;
        }

        @media (max-width: 768px) {
            .brand-story-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .brand-story-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ========== 竖屏种草（服务介绍）板块 ========== */
        .service-showcase {
            background: var(--bg-global);
        }

        .service-cards-grid {
            display: grid;
            grid-template-columns: 1.35fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border-bottom: 3px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }

        .service-card.featured {
            grid-row: span 2;
            border-bottom-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }

        .service-card:nth-child(2) {
            border-bottom-color: var(--accent);
        }

        .service-card:nth-child(3) {
            border-bottom-color: var(--primary-light);
        }

        .service-card:nth-child(4) {
            border-bottom-color: var(--accent);
        }

        .service-card:nth-child(5) {
            border-bottom-color: var(--primary-light);
        }

        .service-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .service-card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .service-card.featured .service-card-icon {
            background: var(--primary);
            color: #fff;
            width: 50px;
            height: 50px;
            font-size: 1.5rem;
        }

        .service-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            line-height: 1.3;
        }

        .service-card.featured h4 {
            font-size: 1.25rem;
        }

        .service-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
            flex-grow: 1;
        }

        .service-card .service-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--primary);
            background: var(--secondary);
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-weight: 500;
            align-self: flex-start;
        }

        @media (max-width: 768px) {
            .service-cards-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
                gap: 14px;
            }
            .service-card.featured {
                grid-row: span 1;
            }
            .service-card {
                padding: 22px 18px;
            }
        }

        /* ========== 爆款清单（品茶空间展示）板块 ========== */
        .space-showcase {
            background: var(--bg-white);
        }

        .space-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .space-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border-bottom: 3px solid transparent;
            cursor: default;
        }

        .space-card:nth-child(1) { border-bottom-color: var(--primary); }
        .space-card:nth-child(2) { border-bottom-color: var(--accent); }
        .space-card:nth-child(3) { border-bottom-color: var(--primary-light); }

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

        .space-card-image {
            aspect-ratio: 3/4;
            overflow: hidden;
            position: relative;
        }

        .space-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .space-card:hover .space-card-image img {
            transform: scale(1.04);
        }

        .space-card-body {
            padding: 18px 16px;
            text-align: center;
        }

        .space-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 6px;
        }

        .space-card-body p {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin: 0;
        }

        .space-card-dots {
            display: flex;
            justify-content: center;
            gap: 6px;
            padding: 0 16px 16px;
        }

        .space-card-dots span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--border-light);
            transition: background var(--transition-fast);
        }

        .space-card-dots span.active {
            background: var(--primary);
        }

        .space-card-dots span:nth-child(2) {
            background: var(--accent);
        }

        @media (max-width: 768px) {
            .space-cards {
                grid-template-columns: 1fr;
                gap: 16px;
                max-width: 400px;
                margin: 0 auto;
            }
        }

        @media (min-width: 640px) and (max-width: 1023px) {
            .space-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ========== 嘉宾亮点（茶艺师）板块 ========== */
        .tea-masters {
            background: var(--bg-global);
        }

        .masters-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 10px 0 20px;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-light) transparent;
        }

        .masters-scroll::-webkit-scrollbar {
            height: 5px;
        }

        .masters-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .masters-scroll::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 10px;
        }

        .master-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border-bottom: 3px solid transparent;
            flex-shrink: 0;
        }

        .master-card:nth-child(1) { border-bottom-color: var(--primary); }
        .master-card:nth-child(2) { border-bottom-color: var(--accent); }
        .master-card:nth-child(3) { border-bottom-color: var(--primary-light); }
        .master-card:nth-child(4) { border-bottom-color: var(--accent); }

        .master-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .master-card-image {
            aspect-ratio: 1/1;
            overflow: hidden;
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: var(--primary);
        }

        .master-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .master-card-body {
            padding: 18px 16px;
            text-align: center;
        }

        .master-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 4px;
        }

        .master-card-body .master-title {
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
            margin: 0 0 8px;
        }

        .master-card-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .master-card {
                flex: 0 0 220px;
            }
        }

        /* ========== 评价墙板块 ========== */
        .testimonials {
            background: var(--bg-white);
        }

        .testimonial-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: #F8FAFB;
            border-radius: var(--radius-md);
            padding: 24px 20px;
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border-left: 3px solid var(--primary);
        }

        .testimonial-card:nth-child(2) {
            border-left-color: var(--accent);
        }

        .testimonial-card:nth-child(3) {
            border-left-color: var(--primary-light);
        }

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

        .testimonial-quote {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 2.5rem;
            color: var(--secondary);
            line-height: 1;
            font-family: Georgia, serif;
        }

        .testimonial-stars {
            color: var(--accent);
            font-size: 0.9rem;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 14px;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
        }

        .testimonial-author-name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .testimonial-author-role {
            font-size: 0.75rem;
            color: var(--text-weak);
        }

        @media (max-width: 768px) {
            .testimonial-cards {
                grid-template-columns: 1fr;
                gap: 14px;
                max-width: 500px;
                margin: 0 auto;
            }
        }

        @media (min-width: 640px) and (max-width: 1023px) {
            .testimonial-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ========== 资讯板块 ========== */
        .news-section {
            background: var(--bg-global);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
            align-items: start;
        }

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

        .news-list-item {
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
            transition: all var(--transition-fast);
        }

        .news-list-item:last-child {
            border-bottom: none;
        }

        .news-list-item a {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            gap: 16px;
            text-decoration: none;
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 500;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

        .news-list-item a:hover {
            color: var(--primary);
        }

        .news-list-item .news-date {
            font-size: 0.8rem;
            color: var(--text-weak);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .news-sidebar {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border-left: 3px solid var(--accent);
            position: sticky;
            top: 100px;
        }

        .news-sidebar h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 14px;
        }

        .news-sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .news-sidebar-tags a {
            display: inline-block;
            font-size: 0.8rem;
            color: var(--primary);
            background: var(--secondary);
            padding: 6px 12px;
            border-radius: var(--radius-full);
            text-decoration: none;
            transition: all var(--transition-fast);
            font-weight: 500;
        }

        .news-sidebar-tags a:hover {
            background: var(--primary);
            color: #fff;
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-sidebar {
                position: static;
                border-left: none;
                border-top: 3px solid var(--accent);
            }
        }

        /* ========== CTA 加购引导板块 ========== */
        .cta-section {
            background: linear-gradient(160deg, #EAF2F8 0%, #D6E6F2 40%, #F7F9FC 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(44,95,138,0.04);
            z-index: 0;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 1.875rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 12px;
            letter-spacing: -0.3px;
        }

        .cta-inner p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 0 28px;
            line-height: 1.6;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 16px 40px;
            border-radius: var(--radius-full);
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.5px;
            min-width: 240px;
            justify-content: center;
            box-shadow: 0 6px 20px rgba(44,95,138,0.3);
        }

        .btn-cta-large:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(44,95,138,0.4);
        }

        .cta-progress-wrap {
            margin-top: 28px;
            max-width: 360px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .cta-progress-label .remaining {
            color: var(--accent);
            font-weight: 700;
        }

        .cta-progress-bar {
            height: 8px;
            background: #DDE5ED;
            border-radius: 10px;
            overflow: hidden;
        }

        .cta-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
            border-radius: 10px;
            width: 20%;
            transition: width 1s ease;
        }

        .cta-input-row {
            display: flex;
            gap: 10px;
            max-width: 420px;
            margin: 20px auto 0;
            justify-content: center;
        }

        .cta-input-row input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            font-size: 1rem;
            outline: none;
            transition: all var(--transition-fast);
            background: #fff;
            max-width: 260px;
        }

        .cta-input-row input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(44,95,138,0.12);
        }

        .cta-input-row .btn-submit-small {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 22px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-input-row .btn-submit-small:hover {
            background: var(--primary-dark);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .btn-cta-large {
                min-width: 200px;
                padding: 14px 32px;
                font-size: 1rem;
            }
            .cta-input-row {
                flex-direction: column;
                align-items: center;
            }
            .cta-input-row input {
                max-width: 100%;
                width: 100%;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-footer);
            color: #B0BEC5;
            padding: 50px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-brand .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: #90A4AE;
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a {
            font-size: 0.85rem;
            color: #90A4AE;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-social-icons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: #B0BEC5;
            font-size: 1rem;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .footer-social-icons a:hover {
            background: var(--primary);
            color: #fff;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 20px 20px 0;
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 30px;
            text-align: center;
            font-size: 0.8rem;
            color: #6B7D8A;
        }

        .footer-bottom a {
            color: #90A4AE;
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: span 1;
            }
        }

        /* ========== 通用工具类 ========== */
        .text-accent { color: var(--accent); }
        .text-primary { color: var(--primary); }
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }

        /* 按钮焦点可访问性 */
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* 触控目标 */
        @media (max-width: 768px) {
            button, .btn-nav-cta, .btn-cta-large, a {
                min-height: 44px;
                display: inline-flex;
                align-items: center;
            }
            .nav-links a {
                min-height: auto;
            }
        }