/* roulang page: index */
:root {
            --primary-dark: #120E2E;
            --primary-deep: #0B081D;
            --primary-accent: #18113C;
            --accent-green: #00F0A8;
            --accent-orange: #FF5C38;
            --bg-light: #FAFAFC;
            --bg-card: #FFFFFF;
            --text-main: #1D1936;
            --text-muted: #5E5B78;
            --border-light: rgba(18, 14, 46, 0.08);
            --border-dark: rgba(255, 255, 255, 0.12);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 4px 16px rgba(18, 14, 46, 0.04);
            --shadow-hover: 0 16px 36px rgba(18, 14, 46, 0.08);
            --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部导航架构 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 250, 252, 0.88);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
        }

        .top-notice-bar {
            background-color: var(--primary-deep);
            color: rgba(255, 255, 255, 0.75);
            font-size: 13px;
            padding: 7px 0;
            border-bottom: 1px solid var(--border-dark);
        }

        .notice-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .status-dot {
            width: 7px;
            height: 7px;
            background-color: var(--accent-green);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent-green);
        }

        .main-nav {
            padding: 16px 0;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.3px;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary-dark), #382A78);
            color: var(--accent-green);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 28px;
        }

        .nav-link {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 0;
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary-dark);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary-dark);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 24px;
            font-size: 14.5px;
            font-weight: 600;
            border-radius: var(--radius-full);
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--primary-dark);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(18, 14, 46, 0.15);
        }

        .btn-primary:hover {
            transform: scale(1.02);
            box-shadow: 0 8px 24px rgba(18, 14, 46, 0.22);
            background-color: #211952;
        }

        .btn-accent {
            background-color: var(--accent-green);
            color: var(--primary-deep);
            box-shadow: 0 4px 18px rgba(0, 240, 168, 0.28);
        }

        .btn-accent:hover {
            transform: scale(1.02);
            box-shadow: 0 6px 24px rgba(0, 240, 168, 0.4);
            filter: brightness(1.04);
        }

        .btn-outline {
            border-color: var(--border-light);
            background: #FFFFFF;
            color: var(--primary-dark);
        }

        .btn-outline:hover {
            border-color: var(--primary-dark);
            background: #FAFAFC;
        }

        .btn-white {
            background-color: #FFFFFF;
            color: var(--primary-dark);
        }

        .btn-white:hover {
            background-color: #F0EFF5;
            transform: scale(1.02);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--primary-dark);
            cursor: pointer;
        }

        /* 板块公用排版 */
        .page-section {
            padding: 96px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 56px;
        }

        .section-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-dark);
            background: rgba(18, 14, 46, 0.05);
            border: 1px solid rgba(18, 14, 46, 0.08);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .section-badge-dark {
            background: rgba(0, 240, 168, 0.1);
            color: var(--accent-green);
            border-color: rgba(0, 240, 168, 0.2);
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-title-dark {
            color: #FFFFFF;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .section-desc-dark {
            color: rgba(255, 255, 255, 0.7);
        }

        /* 1. 首屏轮播 */
        .hero-section {
            padding: 40px 0 90px;
            background: linear-gradient(180deg, #F5F4FA 0%, #FAFAFC 100%);
            overflow: hidden;
            position: relative;
        }

        .carousel-container {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--primary-deep);
            color: #FFFFFF;
            min-height: 580px;
            display: flex;
            align-items: center;
            box-shadow: 0 24px 60px rgba(18, 14, 46, 0.16);
        }

        .carousel-slide {
            position: absolute;
            inset: 0;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.6s ease, visibility 0.6s ease;
            display: flex;
            align-items: center;
        }

        .carousel-slide.active {
            opacity: 1;
            visibility: visible;
            position: relative;
        }

        .slide-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.28;
            filter: contrast(1.1) brightness(0.9);
        }

        .slide-content-grid {
            position: relative;
            z-index: 2;
            width: 100%;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
            padding: 60px 70px;
        }

        .hero-h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.18;
            margin-bottom: 22px;
            letter-spacing: -0.5px;
        }

        .hero-intro {
            font-size: 16.5px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 34px;
            max-width: 620px;
        }

        .hero-btn-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-dashboard-preview {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .kpi-row {
            display: flex;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding-bottom: 12px;
        }

        .kpi-label {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.6);
        }

        .kpi-val {
            font-size: 16px;
            font-weight: 600;
            color: var(--accent-green);
        }

        .carousel-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            z-index: 10;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .carousel-arrow:hover {
            background: rgba(255, 255, 255, 0.35);
        }

        .arrow-prev { left: 20px; }
        .arrow-next { right: 20px; }

        .carousel-indicators {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 10;
        }

        .indicator-dot {
            width: 32px;
            height: 4px;
            background: rgba(255, 255, 255, 0.25);
            border-radius: 2px;
            cursor: pointer;
            transition: var(--transition);
        }

        .indicator-dot.active {
            background: var(--accent-green);
            width: 48px;
        }

        /* 2. 痛点对比 */
        .pain-section {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
        }

        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .pain-card {
            background: #FAFAFC;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 34px 28px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 92, 56, 0.25);
        }

        .pain-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent-orange);
            background: rgba(255, 92, 56, 0.08);
            padding: 4px 10px;
            border-radius: 4px;
            width: fit-content;
            margin-bottom: 16px;
        }

        .pain-h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .pain-old {
            font-size: 14px;
            color: #8C899E;
            margin-bottom: 16px;
            padding-bottom: 16px;
            border-bottom: 1px dashed var(--border-light);
        }

        .pain-new {
            font-size: 14.5px;
            color: var(--text-main);
            font-weight: 500;
            line-height: 1.6;
        }

        /* 3. 架构介绍 */
        .about-section {
            background-color: #FAFAFC;
        }

        .arch-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .arch-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(18, 14, 46, 0.08);
            border: 1px solid var(--border-light);
        }

        .arch-features-list {
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .arch-feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .arch-badge-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(18, 14, 46, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            flex-shrink: 0;
            margin-top: 3px;
        }

        .param-highlight {
            font-weight: 700;
            color: var(--accent-orange);
        }

        /* 4. 核心功能 6 宫格 */
        .features-section {
            background-color: #FFFFFF;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

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

        .feature-box {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 36px 30px;
            transition: var(--transition);
        }

        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(18, 14, 46, 0.2);
        }

        .feat-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: #F4F3F8;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 22px;
            transition: var(--transition);
        }

        .feature-box:hover .feat-icon {
            background: var(--primary-dark);
            color: var(--accent-green);
        }

        .feat-h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .feat-p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 5. 解决方案矩阵 */
        .solutions-section {
            background-color: #FAFAFC;
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

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

        .sol-img-wrap {
            height: 200px;
            overflow: hidden;
        }

        .sol-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .solution-card:hover .sol-img {
            transform: scale(1.05);
        }

        .sol-body {
            padding: 30px 26px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .sol-pill {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-dark);
            background: #EFEFF5;
            padding: 4px 10px;
            border-radius: 4px;
            width: fit-content;
            margin-bottom: 12px;
        }

        .sol-h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .sol-p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 20px;
        }

        .sol-stat {
            margin-top: auto;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .stat-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        .stat-num {
            font-size: 17px;
            font-weight: 700;
            color: var(--accent-orange);
        }

        /* 6. 技术底座深色区 */
        .philosophy-section {
            background-color: var(--primary-deep);
            color: #FFFFFF;
            padding: 100px 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

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

        .philo-lead {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
        }

        .philo-points {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .philo-point {
            display: flex;
            gap: 14px;
        }

        .philo-point-icon {
            color: var(--accent-green);
            font-size: 18px;
            margin-top: 4px;
        }

        .philo-panel {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 36px;
        }

        .network-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .network-row:last-child {
            border-bottom: none;
        }

        .net-tag {
            font-size: 12px;
            background: rgba(0, 240, 168, 0.15);
            color: var(--accent-green);
            padding: 3px 8px;
            border-radius: 4px;
        }

        /* 7. 标杆案例 */
        .stories-section {
            background-color: #FFFFFF;
        }

        .stories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }

        .story-card {
            background: #FAFAFC;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .story-img-top {
            height: 240px;
            overflow: hidden;
        }

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

        .story-body {
            padding: 32px 30px;
        }

        .story-role {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .story-h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 14px;
        }

        .story-p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .story-highlight-box {
            background: #FFFFFF;
            border-left: 3px solid var(--primary-dark);
            padding: 14px 18px;
            border-radius: 0 8px 8px 0;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-dark);
        }

        /* 8. 成果数据带 */
        .metrics-section {
            background: #F4F3F8;
            padding: 70px 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

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

        .metric-cell {
            padding: 20px;
        }

        .metric-val {
            font-size: 44px;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.1;
            margin-bottom: 10px;
            font-family: "Inter", sans-serif;
        }

        .metric-val span {
            font-size: 26px;
            color: var(--accent-orange);
            margin-left: 2px;
        }

        .metric-lbl {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 9. 客户评价 */
        .testimonials-section {
            background-color: #FAFAFC;
        }

        .testi-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .testi-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 34px 28px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testi-stars {
            color: #FFB800;
            font-size: 14px;
            margin-bottom: 16px;
        }

        .testi-quote {
            font-size: 14.5px;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .testi-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-light);
            padding-top: 18px;
        }

        .author-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary-dark);
        }

        .author-info p {
            font-size: 12.5px;
            color: var(--text-muted);
        }

        /* 10. 行业洞察 */
        .insights-section {
            background-color: #FFFFFF;
            border-top: 1px solid var(--border-light);
        }

        .insights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .insight-card {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            background: #FFFFFF;
            transition: var(--transition);
        }

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

        .insight-img-box {
            height: 180px;
            overflow: hidden;
        }

        .insight-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .insight-content {
            padding: 24px 22px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .insight-date {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .insight-h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-dark);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .insight-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 18px;
        }

        .insight-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .insight-link:hover {
            color: var(--accent-orange);
        }

        /* 11. FAQ 手风琴 */
        .faq-section {
            background-color: #FAFAFC;
            border-top: 1px solid var(--border-light);
        }

        .faq-accordion {
            max-width: 840px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-summary {
            padding: 22px 26px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--primary-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            list-style: none;
        }

        .faq-summary::-webkit-details-marker {
            display: none;
        }

        .faq-icon {
            font-size: 14px;
            transition: transform 0.3s ease;
            color: var(--text-muted);
        }

        details[open] .faq-icon {
            transform: rotate(180deg);
            color: var(--primary-dark);
        }

        .faq-answer {
            padding: 0 26px 24px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 12. 沉浸转化行动区 */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            color: #FFFFFF;
            padding: 100px 0;
            position: relative;
        }

        .cta-box-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .cta-title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
        }

        .cta-desc {
            font-size: 16px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 38px 32px;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-label {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        .form-input, .form-select {
            width: 100%;
            padding: 13px 16px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            font-size: 14.5px;
            outline: none;
            transition: var(--transition);
        }

        .form-input:focus, .form-select:focus {
            border-color: var(--accent-green);
            background: rgba(255, 255, 255, 0.12);
        }

        .form-select option {
            background-color: var(--primary-deep);
            color: #FFFFFF;
        }

        /* 统一页脚 */
        .site-footer {
            background-color: #080614;
            color: rgba(255, 255, 255, 0.65);
            padding: 80px 0 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 0.8fr;
            gap: 50px;
            margin-bottom: 60px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .footer-tagline {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .footer-h4 {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 22px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }

        .contact-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
            font-size: 14px;
        }

        .contact-item {
            display: flex;
            gap: 10px;
            align-items: flex-start;
        }

        .footer-bottom {
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
        }

        /* 移动端菜单抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(11, 8, 29, 0.96);
            backdrop-filter: blur(20px);
            z-index: 2000;
            padding: 40px 30px;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .drawer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
        }

        .drawer-close {
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 24px;
            cursor: pointer;
        }

        .drawer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .drawer-links a {
            color: #FFFFFF;
            font-size: 19px;
            font-weight: 600;
        }

        /* 响应式断点适配 */
        @media (max-width: 1024px) {
            .pain-grid, .features-grid, .solutions-grid, .testimonials-grid, .insights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .arch-grid, .philo-grid, .cta-box-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .slide-content-grid {
                grid-template-columns: 1fr;
                padding: 40px 30px;
            }
            .hero-dashboard-preview {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .top-notice-bar {
                display: none;
            }
            .nav-menu, .nav-actions .btn {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .page-section {
                padding: 64px 0;
            }
            .hero-h1 {
                font-size: 32px;
            }
            .section-title {
                font-size: 28px;
            }
            .pain-grid, .features-grid, .solutions-grid, .stories-grid, .testimonials-grid, .insights-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 14px;
                text-align: center;
            }
        }