/* roulang page: index */
:root {
            --primary: #16324f;
            --primary-light: #1e4a6d;
            --primary-soft: #e8eef5;
            --accent: #b98a3e;
            --accent-soft: #f4ede0;
            --bg: #f6f8fb;
            --bg-white: #ffffff;
            --text: #1c2a38;
            --text-muted: #5a6b7c;
            --text-light: #8896a5;
            --border: #e2e8f0;
            --border-light: #edf1f6;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 10px rgba(22, 50, 79, 0.06);
            --shadow: 0 6px 28px rgba(22, 50, 79, 0.08);
            --shadow-hover: 0 14px 44px rgba(22, 50, 79, 0.14);
            --shadow-accent: 0 8px 28px rgba(185, 138, 62, 0.25);
            --font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition: 0.22s ease;
            --max-width: 1180px;
            --header-top-height: 36px;
            --header-main-height: 72px;
            --header-total-height: 108px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
            outline: none;
            border: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(185, 138, 62, 0.5);
            outline-offset: 2px;
        }

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

        /* ========== 顶部信息条 ========== */
        .header-top {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            height: var(--header-top-height);
            display: flex;
            align-items: center;
            position: relative;
            z-index: 100;
        }

        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .header-top-left {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        .header-top-left .dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            flex-shrink: 0;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }

        .header-top-right {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .header-top-right a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition);
            white-space: nowrap;
        }

        .header-top-right a:hover {
            color: #fff;
        }

        .header-top-cta {
            color: var(--accent) !important;
            font-weight: 600;
        }

        /* ========== 主导航 ========== */
        .header-main {
            background: var(--bg-white);
            height: var(--header-main-height);
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 1px 0 var(--border-light);
            transition: box-shadow var(--transition);
        }

        .header-main.scrolled {
            box-shadow: 0 4px 20px rgba(22, 50, 79, 0.08);
        }

        .header-main .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            letter-spacing: 0;
        }

        .logo-icon span {
            color: var(--accent);
        }

        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 32px;
        }

        .nav-list a {
            font-size: 0.95rem;
            color: var(--text);
            font-weight: 500;
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }

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

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

        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border-radius: 40px;
            padding: 0 16px;
            height: 40px;
            gap: 8px;
            border: 1px solid var(--border-light);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(185, 138, 62, 0.12);
        }

        .nav-search input {
            background: none;
            border: none;
            font-size: 0.9rem;
            color: var(--text);
            width: 150px;
            padding: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-light);
        }

        .nav-search svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 10px 22px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: var(--bg);
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== 移动端抽屉导航 ========== */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-main-height);
            left: 0;
            right: 0;
            background: var(--bg-white);
            box-shadow: 0 20px 40px rgba(22, 50, 79, 0.12);
            z-index: 85;
            padding: 16px 24px 24px;
            border-top: 1px solid var(--border-light);
            transform: translateY(-8px);
            opacity: 0;
            pointer-events: none;
            transition: all var(--transition);
        }

        .mobile-nav.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav a {
            display: block;
            padding: 14px 4px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid var(--border-light);
        }

        .mobile-nav a:last-child {
            border-bottom: none;
        }

        .mobile-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            background: var(--primary);
            color: #fff;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(22, 50, 79, 0.92) 0%, rgba(22, 50, 79, 0.72) 50%, rgba(22, 50, 79, 0.55) 100%);
            z-index: 2;
        }

        .hero .container {
            position: relative;
            z-index: 3;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
            width: 100%;
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .hero-content {
            flex: 1;
            min-width: 0;
            max-width: 620px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(185, 138, 62, 0.2);
            border: 1px solid rgba(185, 138, 62, 0.45);
            color: #e8c88a;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 7px 16px;
            border-radius: 40px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero-badge .pulse {
            width: 8px;
            height: 8px;
            background: #e8c88a;
            border-radius: 50%;
            animation: pulse-dot 1.8s infinite;
        }

        .hero h1 {
            font-size: clamp(2rem, 4vw, 2.9rem);
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            color: #fff;
        }

        .hero-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 44px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-accent);
        }

        .btn-primary:hover {
            background: #c99a4d;
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(185, 138, 62, 0.35);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(4px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .hero-data-row {
            display: flex;
            gap: 28px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .hero-data-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-data-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .hero-data-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* 倒计时环 */
        .hero-right {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 18px;
        }

        .countdown-circle {
            width: 190px;
            height: 190px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 2px dashed rgba(255, 255, 255, 0.25);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            position: relative;
            backdrop-filter: blur(8px);
            transition: border-color var(--transition);
        }

        .countdown-circle:hover {
            border-color: rgba(185, 138, 62, 0.6);
        }

        .countdown-ring {
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 3px solid transparent;
            border-top-color: var(--accent);
            border-right-color: rgba(185, 138, 62, 0.4);
            animation: spin-ring 6s linear infinite;
            pointer-events: none;
        }

        @keyframes spin-ring {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .countdown-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .countdown-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .countdown-unit {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
        }

        /* 卖点轮播点 */
        .hero-dots {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .hero-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            padding: 0;
        }

        .hero-dot.active {
            background: var(--accent);
            transform: scale(1.25);
            box-shadow: 0 0 0 4px rgba(185, 138, 62, 0.2);
        }

        .hero-dot:hover {
            background: rgba(255, 255, 255, 0.55);
        }

        .hero-dot-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 200px;
            text-align: center;
            min-height: 26px;
            transition: all var(--transition);
        }

        /* ========== 通用板块样式 ========== */
        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 6px 14px;
            border-radius: 40px;
            margin-bottom: 12px;
            letter-spacing: 0.06em;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 680px;
        }

        /* ========== 客户案例板块 ========== */
        .cases-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.9fr 1fr;
            gap: 22px;
            align-items: start;
        }

        .case-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }

        .case-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border);
        }

        .case-card-image {
            height: 200px;
            overflow: hidden;
            border-radius: 0;
            position: relative;
        }

        .case-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }

        .case-card:hover .case-card-image img {
            transform: scale(1.06);
        }

        .case-card-body {
            padding: 24px 22px;
        }

        .case-card-name {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .case-card-role {
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 12px;
        }

        .case-card-quote {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 4;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .case-card-quote::before {
            content: '“';
            font-size: 1.8rem;
            color: var(--accent);
            font-weight: 700;
            line-height: 1;
            display: block;
            margin-bottom: 4px;
        }

        /* ========== 结果数据板块 ========== */
        .stats-band {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 42px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .stats-band::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: rgba(185, 138, 62, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }

        .stats-band::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: 20%;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
            position: relative;
            z-index: 1;
            min-width: 120px;
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .stat-num .stat-suffix {
            font-size: 1.2rem;
            color: var(--accent);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
        }

        .stat-divider {
            width: 1px;
            height: 48px;
            background: rgba(255, 255, 255, 0.15);
            position: relative;
            z-index: 1;
        }

        /* ========== 前后对比板块 ========== */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .comparison-card.before {
            border-left: 4px solid #c0c8d4;
        }

        .comparison-card.after {
            border-left: 4px solid var(--accent);
        }

        .comparison-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .comparison-title .icon-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .before .icon-badge {
            background: #eef1f5;
            color: #6b7a8a;
        }

        .after .icon-badge {
            background: var(--accent-soft);
            color: var(--accent);
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .comparison-list li {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .comparison-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            flex-shrink: 0;
            margin-top: 9px;
        }

        .before .comparison-list li::before {
            background: #b0bcc9;
        }

        .after .comparison-list li::before {
            background: var(--accent);
        }

        /* ========== 适用人群板块 ========== */
        .audience-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .audience-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .audience-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .audience-card h3 .aud-icon {
            font-size: 1.3rem;
        }

        .audience-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .audience-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 14px;
        }

        .aud-tag {
            font-size: 0.8rem;
            padding: 5px 13px;
            border-radius: 30px;
            background: var(--bg);
            color: var(--text-muted);
            font-weight: 500;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .aud-tag:hover {
            background: var(--accent-soft);
            color: var(--accent);
            border-color: rgba(185, 138, 62, 0.3);
        }

        .audience-card.fit .aud-tag {
            background: var(--accent-soft);
            color: #8a6a2f;
            border-color: rgba(185, 138, 62, 0.25);
        }

        /* ========== 资讯板块 ========== */
        .news-wrap {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 32px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
        }

        .news-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }

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

        .news-item:hover {
            background: var(--primary-soft);
            padding-left: 28px;
        }

        .news-item-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            transition: color var(--transition);
        }

        .news-item:hover .news-item-title {
            color: var(--primary-light);
        }

        .news-item-meta {
            font-size: 0.82rem;
            color: var(--text-light);
            display: flex;
            gap: 14px;
            align-items: center;
        }

        .news-item-summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-featured {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-featured-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .news-featured-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }

        .news-featured-body {
            padding: 20px 22px;
        }

        .news-featured-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-featured-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 8px;
            transition: gap var(--transition);
        }

        .news-more:hover {
            gap: 10px;
            color: var(--primary-light);
        }

        /* ========== FAQ板块 ========== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            gap: 16px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text);
            transition: color var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--primary-light);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--text-muted);
            transition: all var(--transition);
            font-weight: 400;
        }

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

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.75;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== 咨询入口板块 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1a4060 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -5%;
            width: 400px;
            height: 400px;
            background: rgba(185, 138, 62, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -8%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-info h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .cta-info p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
            max-width: 520px;
        }

        .cta-form {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            box-shadow: var(--shadow-hover);
            color: var(--text);
        }

        .cta-form h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            color: var(--text);
            background: var(--bg);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(185, 138, 62, 0.12);
            background: #fff;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .form-submit {
            width: 100%;
            padding: 14px;
            background: var(--primary);
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 44px;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            border: none;
            cursor: pointer;
        }

        .form-submit:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }

        .form-submit:active {
            transform: translateY(0);
        }

        /* ========== Footer ========== */
        .footer {
            background: #0e1f30;
            color: rgba(255, 255, 255, 0.72);
            padding: 52px 0 24px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: flex-start;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 4px;
        }

        .footer-brand .logo-icon {
            background: rgba(255, 255, 255, 0.12);
        }

        .footer-brand p {
            font-size: 0.87rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .domain {
            color: rgba(255, 255, 255, 0.28);
            font-size: 0.78rem;
        }

        /* ========== 响应式设计 ========== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .hero .container {
                gap: 32px;
            }
            .cases-grid {
                grid-template-columns: 1fr 1fr;
            }
            .case-card:nth-child(3) {
                grid-column: span 2;
            }
            .case-card:nth-child(3) .case-card-image {
                height: 240px;
            }
            .cta-wrap {
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1.2fr 1fr;
            }
            .stats-band {
                padding: 36px 28px;
                gap: 20px;
            }
            .stat-num {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-main-height: 64px;
                --header-total-height: 100px;
            }
            .header-top {
                display: none;
            }
            .header-main {
                top: 0;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
                border-radius: 8px;
            }
            .nav-list {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav {
                display: block;
                top: var(--header-main-height);
            }
            .hero {
                min-height: auto;
                padding: 40px 0;
            }
            .hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 30px;
                padding-top: 20px;
                padding-bottom: 20px;
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-right {
                align-self: center;
                flex-direction: row;
                gap: 20px;
                flex-wrap: wrap;
                justify-content: center;
            }
            .countdown-circle {
                width: 140px;
                height: 140px;
            }
            .countdown-number {
                font-size: 1.8rem;
            }
            .hero-data-row {
                gap: 18px;
            }
            .hero-data-num {
                font-size: 1.3rem;
            }
            .section {
                padding: 48px 0;
            }
            .cases-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .case-card:nth-child(3) {
                grid-column: auto;
            }
            .case-card:nth-child(3) .case-card-image {
                height: 200px;
            }
            .stats-band {
                flex-direction: column;
                align-items: flex-start;
                gap: 18px;
                padding: 28px 22px;
            }
            .stat-divider {
                display: none;
            }
            .stat-item {
                flex-direction: row;
                align-items: baseline;
                gap: 12px;
            }
            .stat-num {
                font-size: 1.5rem;
            }
            .comparison-wrap {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .audience-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .news-wrap {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-featured {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .news-featured-card {
                flex: 1;
                min-width: 240px;
            }
            .cta-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                text-align: left;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 0.98rem;
                gap: 6px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
                border-radius: 7px;
            }
            .hero h1 {
                font-size: 1.55rem;
            }
            .hero-desc {
                font-size: 0.92rem;
                line-height: 1.7;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-right {
                flex-direction: column;
                align-items: center;
            }
            .countdown-circle {
                width: 120px;
                height: 120px;
            }
            .countdown-number {
                font-size: 1.5rem;
            }
            .countdown-label {
                font-size: 0.7rem;
            }
            .hero-data-row {
                flex-direction: column;
                gap: 10px;
                margin-top: 20px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }
            .case-card-body {
                padding: 18px 16px;
            }
            .news-item {
                padding: 16px 18px;
            }
            .news-featured-card img {
                height: 150px;
            }
            .cta-form {
                padding: 22px 18px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 15px 18px;
            }
            .faq-answer {
                font-size: 0.85rem;
                padding: 0 18px 14px;
            }
            .comparison-card {
                padding: 22px 18px;
            }
            .audience-card {
                padding: 22px 18px;
            }
            .footer {
                padding: 36px 0 18px;
            }
        }