:root {
            --brand: #3d8f68;
            --brand-dark: #2d7353;
            --brand-deep: #1d3d30;
            --accent: #f0b94a;
            --text-main: #1e2a24;
            --text-muted: #5c6b63;
            --text-light: #8a9a90;
            --bg-light: #f7faf8;
            --bg-card: #ffffff;
            --border-light: #e8f0eb;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 12px rgba(29, 61, 48, 0.06);
            --shadow-md: 0 8px 30px rgba(29, 61, 48, 0.09);
            --shadow-lg: 0 16px 48px rgba(29, 61, 48, 0.12);
            --container-pad: 1.25rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            color: var(--text-main);
            background: #ffffff;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        .section-pad {
            padding: 88px 0;
        }

        .section-title-wrap {
            margin-bottom: 44px;
        }

        .section-more-link {
            color: var(--brand);
            font-weight: 500;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease;
        }

        .section-more-link:hover {
            gap: 10px;
            color: var(--brand-dark);
        }

        /* 顶部公告条 */
        .top-ticker {
            background: var(--brand-deep);
            color: rgba(255, 255, 255, 0.9);
            padding: 8px 0;
            font-size: 13px;
            text-align: center;
            letter-spacing: 0.02em;
        }

        .top-ticker strong {
            color: var(--accent);
            font-weight: 600;
        }

        /* 桌面导航 */
        .desktop-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow 0.25s ease;
        }

        .desktop-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo-block {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand), var(--brand-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--brand);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
            transition: width 0.25s ease;
        }

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

        .nav-link.active {
            color: var(--brand);
            font-weight: 600;
        }

        .nav-cta {
            background: var(--brand);
            color: #fff !important;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

        .nav-cta:hover {
            background: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(61, 143, 104, 0.25);
        }

        /* 移动端导航 */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .mobile-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding: 0 16px;
        }

        .mobile-logo {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
        }

        .mobile-logo span {
            color: var(--brand);
        }

        .mobile-hamburger {
            font-size: 22px;
            color: var(--text-main);
            padding: 8px;
        }

        .mobile-menu-panel {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 16px 20px 24px;
        }

        .mobile-menu-panel.open {
            display: block;
        }

        .mobile-menu-link {
            display: block;
            padding: 12px 4px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            border-bottom: 1px solid #f0f5f2;
        }

        .mobile-menu-link:last-child {
            border-bottom: none;
        }

        .mobile-menu-link.active {
            color: var(--brand);
            font-weight: 600;
        }

        .mobile-menu-cta {
            display: inline-flex;
            margin-top: 14px;
            background: var(--brand);
            color: #fff;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
        }

        /* 底部 Tab 导航（移动端） */
        .bottom-tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-light);
            padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
            justify-content: space-around;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.04);
        }

        .bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            padding: 6px 10px;
            font-size: 11px;
            color: var(--text-muted);
            border-radius: 12px;
            transition: color 0.2s ease;
            min-width: 64px;
        }

        .bottom-tab-item i {
            font-size: 18px;
        }

        .bottom-tab-item.active,
        .bottom-tab-item:hover {
            color: var(--brand);
        }

        /* Hero */
        .hero-section {
            position: relative;
            background-color: var(--brand-deep);
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 100px 0;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(13, 32, 25, 0.94) 0%, rgba(13, 32, 25, 0.82) 45%, rgba(13, 32, 25, 0.6) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 185, 74, 0.15);
            border: 1px solid rgba(240, 185, 74, 0.35);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 24px;
            letter-spacing: 0.03em;
        }

        .hero-title {
            font-size: clamp(30px, 4vw, 46px);
            font-weight: 800;
            line-height: 1.25;
            color: #ffffff;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .hero-title .highlight {
            color: var(--accent);
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 32px;
            max-width: 500px;
        }

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

        .btn-primary-light {
            background: var(--accent);
            color: #1d3d30;
            font-weight: 700;
            font-size: 15px;
            padding: 14px 30px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
            box-shadow: 0 8px 24px rgba(240, 185, 74, 0.3);
        }

        .btn-primary-light:hover {
            background: #f7d378;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(240, 185, 74, 0.4);
        }

        .btn-ghost-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            color: #ffffff;
            font-weight: 500;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
        }

        .btn-ghost-light:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

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

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

        .hero-stat-number {
            font-size: 28px;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
        }

        .hero-stat-number em {
            font-style: normal;
            color: var(--accent);
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* Hero 面板 */
        .hero-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(20px);
            border-radius: var(--radius-lg);
            padding: 30px;
        }

        .panel-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 22px;
        }

        .panel-title h3 {
            font-size: 17px;
            color: #fff;
            font-weight: 700;
        }

        .panel-title .live-dot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--accent);
        }

        .panel-title .live-dot::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
            animation: pulse 1.8s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.6;
                transform: scale(0.85);
            }
        }

        .panel-list {
            list-style: none;
        }

        .panel-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .panel-list li:last-child {
            border-bottom: none;
        }

        .panel-rank {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(240, 185, 74, 0.18);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .panel-name {
            flex: 1;
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            font-weight: 500;
        }

        .panel-meta {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .panel-info {
            margin-top: 20px;
            background: rgba(240, 185, 74, 0.1);
            border-radius: 12px;
            padding: 14px 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .panel-info i {
            color: var(--accent);
        }

        /* 入口矩阵 */
        .matrix-section {
            background: var(--bg-light);
            padding: 70px 0;
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-eyebrow {
            display: inline-block;
            background: rgba(61, 143, 104, 0.08);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
            padding: 5px 16px;
            border-radius: 50px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: clamp(26px, 2.8vw, 34px);
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .matrix-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            transition: all 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .matrix-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--brand), var(--accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .matrix-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }

        .matrix-card:hover::after {
            transform: scaleX(1);
        }

        .matrix-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(61, 143, 104, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            font-size: 22px;
            margin-bottom: 18px;
        }

        .matrix-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .matrix-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .matrix-card .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand);
            margin-top: 14px;
            transition: gap 0.2s ease;
        }

        .matrix-card .link-more:hover {
            gap: 10px;
        }

        /* 里程碑 */
        .timeline-section {
            padding: 88px 0;
            background: #ffffff;
            position: relative;
        }

        .timeline-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .timeline-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 380px;
            background-image: url('/assets/images/coverpic/cover-2.jpg');
            background-size: cover;
            background-position: center;
        }

        .timeline-visual .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(15deg, rgba(29, 61, 48, 0.75), transparent 60%);
            display: flex;
            align-items: flex-end;
            padding: 32px;
        }

        .timeline-visual .overlay-text {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
        }

        .timeline-list {
            position: relative;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--brand), rgba(61, 143, 104, 0.15));
        }

        .timeline-item {
            position: relative;
            padding-left: 50px;
            padding-bottom: 32px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: 4px;
            top: 2px;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: #fff;
            border: 4px solid var(--brand);
            box-shadow: 0 0 0 4px rgba(61, 143, 104, 0.12);
        }

        .timeline-time {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand);
            margin-bottom: 6px;
            display: block;
        }

        .timeline-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 资讯区 */
        .news-section {
            background: var(--bg-light);
            padding: 88px 0;
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 40px;
        }

        .news-left-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }

        .news-left-head h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
        }

        .news-list {
            list-style: none;
            border-top: 1px solid var(--border-light);
        }

        .news-list li {
            border-bottom: 1px solid var(--border-light);
        }

        .news-list a {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 6px;
            transition: background 0.2s ease;
            border-radius: 8px;
        }

        .news-list a:hover {
            background: rgba(61, 143, 104, 0.04);
        }

        .news-badge {
            flex-shrink: 0;
            background: rgba(61, 143, 104, 0.08);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            white-space: nowrap;
        }

        .news-text {
            flex: 1;
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.5;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-date {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-light);
        }

        .news-side {
            background: var(--brand-deep);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            color: #fff;
        }

        .news-side h3 {
            font-size: 20px;
            color: #fff;
            margin-bottom: 8px;
        }

        .news-side .sub {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 24px;
        }

        .news-side-list {
            list-style: none;
        }

        .news-side-list li {
            display: flex;
            gap: 12px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            align-items: flex-start;
        }

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

        .news-side-list .num {
            color: var(--accent);
            font-size: 15px;
            font-weight: 700;
            flex-shrink: 0;
            font-style: normal;
        }

        .news-side-list .text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.55;
        }

        /* 平台保障 */
        .guarantee-section {
            padding: 88px 0;
            background: #ffffff;
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .guarantee-card {
            text-align: center;
            padding: 40px 28px;
            border-radius: var(--radius-lg);
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            transition: all 0.25s ease;
        }

        .guarantee-card:hover {
            background: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .guarantee-icon {
            font-size: 36px;
            color: var(--brand);
            margin-bottom: 20px;
        }

        .guarantee-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .guarantee-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* CTA */
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(29, 61, 48, 0.92), rgba(29, 61, 48, 0.7));
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: clamp(26px, 3vw, 36px);
            color: #fff;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 30px;
        }

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

        .btn-white {
            background: #fff;
            color: var(--brand-deep);
            font-weight: 700;
            padding: 14px 34px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .btn-outline-white {
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 500;
            padding: 14px 34px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
        }

        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        /* App / 多端 */
        .app-section {
            padding: 88px 0;
            background: var(--bg-light);
        }

        .app-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .app-content h2 {
            font-size: clamp(24px, 2.5vw, 32px);
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .app-content>p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 24px;
        }

        .app-features {
            list-style: none;
            margin-bottom: 30px;
        }

        .app-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--text-main);
        }

        .app-features li i {
            color: var(--brand);
            font-size: 16px;
            width: 22px;
            text-align: center;
        }

        .app-img-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .app-img-wrap img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }

        .app-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(transparent 50%, rgba(29, 61, 48, 0.7));
            display: flex;
            align-items: flex-end;
            padding: 24px;
            color: #fff;
            font-size: 15px;
            font-weight: 500;
        }

        /* FAQ */
        .faq-section {
            padding: 88px 0;
            background: #ffffff;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            max-width: 960px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-light);
            transition: box-shadow 0.25s ease;
        }

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

        .faq-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            display: flex;
            gap: 10px;
        }

        .faq-item h3::before {
            content: 'Q';
            color: var(--brand);
            font-weight: 800;
            flex-shrink: 0;
        }

        .faq-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            padding-left: 28px;
        }

        /* 供应商信息条 */
        .provider-strip {
            background: var(--brand-deep);
            padding: 24px 0;
        }

        .provider-strip-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .provider-strip p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .provider-strip p i {
            color: var(--accent);
        }

        /* 转化表单 */
        .form-section {
            padding: 88px 0;
            background: var(--bg-light);
        }

        .form-wrap {
            max-width: 800px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 48px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .form-title {
            font-size: 26px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 8px;
        }

        .form-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 36px;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
        }

        .form-group label {
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            border: 1px solid #dde8e1;
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            font-family: inherit;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            background: #fafcfb;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(61, 143, 104, 0.12);
            background: #fff;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 90px;
        }

        .form-group.full {
            grid-column: 1 / -1;
        }

        .form-submit {
            grid-column: 1 / -1;
            background: var(--brand);
            color: #fff;
            padding: 15px 36px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 700;
            border: none;
            transition: all 0.25s ease;
            margin-top: 10px;
        }

        .form-submit:hover {
            background: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(61, 143, 104, 0.3);
        }

        .form-note {
            grid-column: 1 / -1;
            text-align: center;
            font-size: 12px;
            color: var(--text-light);
            margin-top: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        /* 页脚 */
        .footer-section {
            background: var(--brand-deep);
            padding: 60px 0 30px;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 16px;
            display: block;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        /* 移动端断点 */
        @media (max-width: 1024px) {
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .timeline-wrap {
                grid-template-columns: 1fr;
            }

            .timeline-visual {
                min-height: 300px;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .app-wrap {
                grid-template-columns: 1fr;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .desktop-header {
                display: none;
            }

            .mobile-header {
                display: block;
            }

            .bottom-tab-bar {
                display: flex;
            }

            body {
                padding-bottom: 62px;
            }

            .section-pad,
            .timeline-section,
            .news-section,
            .guarantee-section,
            .faq-section,
            .app-section,
            .form-section {
                padding: 56px 0;
            }

            .hero-section {
                padding: 60px 0;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat-number {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .form-wrap {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }

            .form-grid {
                grid-template-columns: 1fr;
            }

            .faq-grid {
                grid-template-columns: 1fr;
            }

            .news-list a {
                flex-wrap: wrap;
                gap: 8px;
            }

            .news-text {
                white-space: normal;
                flex-basis: calc(100% - 90px);
            }

            .news-date {
                margin-left: auto;
            }
        }

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

            .guarantee-grid {
                grid-template-columns: 1fr;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn-primary-light,
            .hero-actions .btn-ghost-light {
                width: 100%;
                justify-content: center;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-buttons .btn-white,
            .cta-buttons .btn-outline-white {
                justify-content: center;
            }

            .provider-strip-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* 浮动客服 */
        .float-contact {
            position: fixed;
            right: 20px;
            bottom: 90px;
            z-index: 150;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-contact a {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: var(--shadow-md);
            transition: all 0.25s ease;
        }

        .float-contact a:hover {
            background: var(--brand-dark);
            transform: scale(1.08);
        }

        @media (max-width: 768px) {
            .float-contact {
                display: none;
            }
        }

/* ===== 设计变量 ===== */
    :root {
      --primary: #1a5c3a;
      --primary-dark: #14472e;
      --primary-light: #e8f1ec;
      --accent: #c8a45a;
      --accent-light: #f4ede1;
      --bg: #faf9f6;
      --bg-subtle: #f4f1ec;
      --bg-dark: #0f1f18;
      --text-main: #1f1f1f;
      --text-muted: #6b7280;
      --border: #e6e0d4;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 24px;
      --shadow-xs: 0 2px 8px rgba(0, 0, 0, .04);
      --shadow-sm: 0 4px 16px rgba(15, 31, 24, .06);
      --shadow-md: 0 10px 36px rgba(15, 31, 24, .09);
      --shadow-lg: 0 24px 80px rgba(15, 31, 24, .14);
      --transition: .25s ease;
    }

    /* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      scroll-padding-top: 90px;
    }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
      color: var(--text-main);
      background: var(--bg);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), opacity var(--transition);
    }
    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: none;
    }
    ul,
    ol {
      list-style: none;
    }
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: 1rem;
      outline: none;
    }

    /* ===== 容器 & 区块 ===== */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .section {
      padding: 90px 0;
    }
    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 56px;
    }
    .section-tag {
      display: inline-block;
      background: var(--primary-light);
      color: var(--primary);
      font-size: .83rem;
      font-weight: 600;
      letter-spacing: .08em;
      padding: 6px 18px;
      border-radius: 999px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: clamp(1.75rem, 3vw, 2.4rem);
      font-weight: 700;
      line-height: 1.3;
      letter-spacing: -.02em;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 1.05rem;
      line-height: 1.7;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      font-size: 1rem;
      padding: 14px 30px;
      border-radius: 999px;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
      border: 2px solid transparent;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 8px 28px rgba(26, 92, 58, .25);
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 14px 36px rgba(26, 92, 58, .32);
    }
    .btn-primary:focus-visible {
      outline: 3px solid var(--accent);
      outline-offset: 3px;
    }
    .btn-ghost {
      background: transparent;
      color: #fff;
      border-color: rgba(255, 255, 255, .55);
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, .12);
      border-color: #fff;
      transform: translateY(-2px);
    }
    .btn-gold {
      background: var(--accent);
      color: #1c1a14;
    }
    .btn-gold:hover {
      background: #b4924a;
      transform: translateY(-2px);
    }
    .btn-block {
      width: 100%;
    }

    /* ===== Header ===== */
    .desktop-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(250, 249, 246, .92);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(230, 224, 212, .7);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .logo-block {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .logo-icon {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: var(--primary);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      box-shadow: 0 4px 14px rgba(26, 92, 58, .25);
    }
    .logo-text {
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: .01em;
      line-height: 1.2;
    }
    .logo-text span {
      color: var(--primary);
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-link {
      padding: 9px 16px;
      border-radius: 999px;
      font-weight: 500;
      font-size: .95rem;
      color: #3f3f3f;
      transition: background var(--transition), color var(--transition);
    }
    .nav-link:hover {
      background: var(--primary-light);
      color: var(--primary);
    }
    .nav-link.active {
      background: var(--primary);
      color: #fff;
      font-weight: 600;
    }
    .nav-cta {
      margin-left: 8px;
      padding: 10px 22px;
      border-radius: 999px;
      background: var(--accent);
      color: #1c1a14;
      font-weight: 600;
      font-size: .93rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .nav-cta:hover {
      background: #b4924a;
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    /* ===== Hero ===== */
    .hero-section {
      position: relative;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      min-height: 640px;
      display: flex;
      align-items: center;
      padding: 90px 0 70px;
      color: #fff;
    }
    .hero-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(105deg, rgba(9, 22, 16, .93) 20%, rgba(16, 31, 24, .72) 60%, rgba(16, 31, 24, .38) 100%);
    }
    .hero-section .container {
      position: relative;
      z-index: 2;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr .9fr;
      gap: 60px;
      align-items: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .25);
      backdrop-filter: blur(8px);
      border-radius: 999px;
      padding: 7px 18px;
      font-size: .85rem;
      font-weight: 500;
      letter-spacing: .04em;
      margin-bottom: 22px;
      color: #f0e8d8;
    }
    .hero-title {
      font-size: clamp(2rem, 4vw, 3.2rem);
      font-weight: 800;
      line-height: 1.22;
      letter-spacing: -.02em;
      margin-bottom: 18px;
    }
    .hero-title .accent-line {
      color: var(--accent);
    }
    .hero-subtitle {
      font-size: 1.08rem;
      line-height: 1.75;
      color: rgba(255, 255, 255, .88);
      max-width: 520px;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 34px;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .hero-tags span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 255, 255, .1);
      border: 1px solid rgba(255, 255, 255, .16);
      padding: 6px 14px;
      border-radius: 999px;
      font-size: .84rem;
      color: rgba(255, 255, 255, .9);
    }

    /* Phone mockup */
    .hero-visual {
      display: flex;
      justify-content: center;
      align-items: center;
      position: relative;
    }
    .phone-card {
      width: 320px;
      max-width: 88%;
      background: rgba(255, 255, 255, .1);
      border: 1px solid rgba(255, 255, 255, .25);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-radius: 40px;
      overflow: hidden;
      box-shadow: 0 30px 90px rgba(0, 0, 0, .45);
      animation: float 5s ease-in-out infinite;
    }
    @keyframes float {
      0%,
      100% {
        transform: translateY(0);
      }
      50% {
        transform: translateY(-14px);
      }
    }
    .phone-header {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 16px 20px 8px;
    }
    .phone-header .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .3);
    }
    .phone-body {
      padding: 0 12px 12px;
    }
    .phone-img-wrap {
      position: relative;
      border-radius: 24px;
      overflow: hidden;
      height: 420px;
    }
    .phone-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .phone-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0, 0, 0, .72) 10%, transparent 60%);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 18px;
    }
    .phone-overlay .live-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(200, 164, 90, .92);
      color: #1c1a14;
      font-size: .75rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 999px;
      letter-spacing: .04em;
    }
    .phone-overlay h3 {
      color: #fff;
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 2px;
      line-height: 1.3;
    }
    .phone-overlay p {
      color: rgba(255, 255, 255, .85);
      font-size: .86rem;
      margin-bottom: 12px;
    }
    .phone-actions {
      display: flex;
      gap: 10px;
    }
    .phone-actions span {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: .9rem;
      color: #fff;
      backdrop-filter: blur(4px);
      transition: background var(--transition);
    }
    .phone-actions span:hover {
      background: rgba(255, 255, 255, .4);
    }
    .phone-footer {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 6px 14px;
      color: rgba(255, 255, 255, .9);
      font-size: .84rem;
    }
    .phone-footer .avatar {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent), #8a6a32);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #1c1a14;
    }

    /* ===== Stats ===== */
    .stats-section {
      padding: 70px 0;
      background: var(--bg-subtle);
      border-bottom: 1px solid var(--border);
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .stat-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 30px 20px;
      text-align: center;
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .stat-number {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }
    .stat-number em {
      font-style: normal;
      color: var(--accent);
      font-size: 1.5rem;
      vertical-align: super;
      margin-left: 2px;
    }
    .stat-label {
      display: block;
      margin-top: 6px;
      color: var(--text-muted);
      font-size: .95rem;
    }

    /* ===== Services ===== */
    .services-section {
      padding: 90px 0;
    }
    .services-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .service-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 36px 26px;
      text-align: center;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }
    .service-icon {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 1.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 22px;
      transition: background var(--transition), color var(--transition);
    }
    .service-card:hover .service-icon {
      background: var(--primary);
      color: #fff;
    }
    .service-title {
      font-size: 1.22rem;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .service-desc {
      color: var(--text-muted);
      font-size: .95rem;
      line-height: 1.65;
      margin-bottom: 18px;
    }
    .service-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
      font-weight: 600;
      font-size: .9rem;
      transition: gap var(--transition);
    }
    .service-card:hover .service-link {
      gap: 10px;
    }

    /* ===== Compare ===== */
    .compare-section {
      padding: 90px 0;
      background: var(--bg-dark);
      color: #fff;
    }
    .compare-section .section-title {
      color: #fff;
    }
    .compare-section .section-desc {
      color: rgba(255, 255, 255, .72);
    }
    .compare-section .section-tag {
      background: rgba(200, 164, 90, .15);
      color: var(--accent);
    }
    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      max-width: 960px;
      margin: 0 auto;
    }
    .compare-card {
      background: rgba(255, 255, 255, .04);
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: var(--radius-lg);
      padding: 40px 34px;
      backdrop-filter: blur(8px);
      transition: transform var(--transition), border-color var(--transition);
    }
    .compare-card:hover {
      transform: translateY(-4px);
    }
    .compare-card.compare-bad {
      border-color: rgba(255, 99, 99, .25);
    }
    .compare-card.compare-good {
      border-color: rgba(200, 164, 90, .5);
      background: rgba(200, 164, 90, .07);
    }
    .compare-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .compare-card h3 i {
      color: var(--accent);
    }
    .compare-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 14px;
      font-size: .97rem;
      color: rgba(255, 255, 255, .88);
      line-height: 1.55;
    }
    .compare-list li i {
      color: var(--accent);
      font-size: .85rem;
      margin-top: 5px;
    }
    .compare-bad .compare-list li i {
      color: #ff7a7a;
    }

    /* ===== Scenarios ===== */
    .scenarios-section {
      padding: 90px 0;
    }
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .scenario-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--border);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .scenario-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
    }
    .scenario-image {
      height: 180px;
      overflow: hidden;
      position: relative;
    }
    .scenario-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .6s ease;
    }
    .scenario-card:hover .scenario-image img {
      transform: scale(1.05);
    }
    .scenario-image::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0, 0, 0, .18), transparent 60%);
    }
    .scenario-content {
      padding: 22px 20px 24px;
    }
    .scenario-content h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .scenario-content p {
      color: var(--text-muted);
      font-size: .92rem;
      line-height: 1.6;
    }

    /* ===== Process ===== */
    .process-section {
      padding: 90px 0;
      background: var(--bg-subtle);
      border-top: 1px solid var(--border);
    }
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
      position: relative;
      margin-top: 20px;
    }
    .process-steps::before {
      content: "";
      position: absolute;
      top: 44px;
      left: 12%;
      right: 12%;
      height: 2px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      opacity: .35;
    }
    .process-step {
      text-align: center;
      padding: 20px 10px 0;
      position: relative;
    }
    .step-num {
      width: 88px;
      height: 88px;
      margin: 0 auto 24px;
      border-radius: 50%;
      background: #fff;
      border: 2px solid var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary);
      position: relative;
      z-index: 1;
      box-shadow: var(--shadow-sm);
    }
    .process-step:nth-child(2) .step-num {
      border-color: var(--accent);
      color: var(--accent);
    }
    .process-step:nth-child(3) .step-num {
      border-color: var(--primary);
      color: var(--primary);
    }
    .process-step:nth-child(4) .step-num {
      border-color: var(--accent);
      color: var(--accent);
    }
    .process-step h3 {
      font-size: 1.12rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .process-step p {
      color: var(--text-muted);
      font-size: .92rem;
      line-height: 1.6;
    }

    /* ===== FAQ ===== */
    .faq-section {
      padding: 90px 0;
    }
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: box-shadow var(--transition);
    }
    .faq-item.active {
      box-shadow: var(--shadow-sm);
      border-color: var(--primary);
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      padding: 22px 26px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      text-align: left;
      background: transparent;
      transition: background var(--transition);
    }
    .faq-question:hover {
      background: rgba(26, 92, 58, .04);
    }
    .faq-question .faq-icon {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: .8rem;
      flex-shrink: 0;
      transition: transform .3s ease, background .3s ease;
    }
    .faq-item.active .faq-question .faq-icon {
      transform: rotate(45deg);
      background: var(--primary);
      color: #fff;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease, padding .35s ease;
      padding: 0 26px;
      color: var(--text-muted);
      font-size: .97rem;
      line-height: 1.7;
    }
    .faq-item.active .faq-answer {
      max-height: 240px;
      padding: 0 26px 22px;
    }

    /* ===== Contact ===== */
    .contact-section {
      padding: 90px 0;
      background: linear-gradient(135deg, var(--primary-dark), #0d241a);
      color: #fff;
    }
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .contact-info h2 {
      font-size: clamp(1.8rem, 3vw, 2.4rem);
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .contact-info>p {
      color: rgba(255, 255, 255, .8);
      font-size: 1.05rem;
      margin-bottom: 30px;
      line-height: 1.7;
    }
    .contact-points li {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 18px;
      font-size: .98rem;
      color: rgba(255, 255, 255, .9);
      line-height: 1.55;
    }
    .contact-points li i {
      font-size: 1.1rem;
      color: var(--accent);
      margin-top: 4px;
    }
    .contact-form {
      background: rgba(255, 255, 255, .07);
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: var(--radius-lg);
      padding: 40px;
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .contact-form .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .contact-form label {
      display: block;
      font-size: .86rem;
      font-weight: 600;
      color: rgba(255, 255, 255, .88);
      margin-bottom: 6px;
    }
    .contact-form input,
    .contact-form select,
    .contact-form textarea {
      width: 100%;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .18);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      color: #fff;
      font-size: .95rem;
      transition: border-color var(--transition), background var(--transition);
    }
    .contact-form input::placeholder,
    .contact-form textarea::placeholder {
      color: rgba(255, 255, 255, .45);
    }
    .contact-form input:focus,
    .contact-form select:focus,
    .contact-form textarea:focus {
      border-color: var(--accent);
      background: rgba(255, 255, 255, .16);
      outline: none;
    }
    .contact-form select {
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23c8a45a' d='M6 8L0 0h12L6 8z'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 16px center;
    }
    .contact-form select option {
      background: var(--primary-dark);
      color: #fff;
    }
    .contact-form textarea {
      min-height: 88px;
      resize: vertical;
    }
    .contact-form .btn {
      margin-top: 8px;
      width: 100%;
    }
    .form-success {
      display: none;
      text-align: center;
      padding: 20px 10px 6px;
      color: #8ee6a8;
      font-size: .95rem;
      font-weight: 600;
    }
    .form-success.show {
      display: block;
    }

    /* ===== Footer ===== */
    .footer-section {
      background: #0d241a;
      color: rgba(255, 255, 255, .82);
      padding: 70px 0 28px;
      font-size: .95rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
    }
    .footer-brand .logo-text {
      color: #fff;
      font-size: 1.18rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      margin-bottom: 16px;
    }
    .footer-brand p {
      color: rgba(255, 255, 255, .68);
      line-height: 1.7;
      max-width: 360px;
      font-size: .93rem;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      color: rgba(255, 255, 255, .64);
      transition: color var(--transition), padding-left var(--transition);
    }
    .footer-col ul li a:hover {
      color: var(--accent);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .1);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 10px;
      color: rgba(255, 255, 255, .5);
      font-size: .88rem;
    }
    .footer-bottom a {
      color: rgba(255, 255, 255, .5);
    }
    .footer-bottom a:hover {
      color: var(--accent);
    }

    /* ===== Mobile Tab ===== */
    .mobile-tab-nav {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 999;
      background: rgba(255, 255, 255, .96);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-top: 1px solid var(--border);
      padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
      box-shadow: 0 -4px 30px rgba(0, 0, 0, .06);
    }
    .tab-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 3px;
      font-size: .72rem;
      color: var(--text-muted);
      padding: 6px 0;
      border-radius: 12px;
      transition: color var(--transition), background var(--transition);
      flex: 1;
    }
    .tab-item i {
      font-size: 1.2rem;
    }
    .tab-item.active {
      color: var(--primary);
      font-weight: 600;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 50px;
      }
      .hero-visual {
        order: 0;
      }
      .hero-content {
        order: 1;
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px;
      }
      .process-steps::before {
        display: none;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .desktop-header {
        display: none;
      }
      .mobile-tab-nav {
        display: flex;
        gap: 4px;
      }
      body {
        padding-bottom: 66px;
      }
      .section {
        padding: 60px 0;
      }
      .hero-section {
        min-height: auto;
        padding: 70px 0 50px;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .compare-grid {
        grid-template-columns: 1fr;
      }
      .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .contact-form {
        padding: 28px;
      }
      .contact-form .form-row {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .phone-card {
        width: 280px;
      }
      .phone-img-wrap {
        height: 340px;
      }
    }
    @media (max-width: 520px) {
      .container {
        padding: 0 18px;
      }
      .hero-title {
        font-size: 1.7rem;
      }
      .hero-subtitle {
        font-size: .98rem;
      }
      .hero-actions .btn {
        width: 100%;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .scenarios-grid {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .compare-card {
        padding: 28px 22px;
      }
      .section-title {
        font-size: 1.55rem;
      }
      .phone-card {
        width: 240px;
      }
      .phone-img-wrap {
        height: 280px;
      }
    }