/* roulang page: index */
:root {
            --primary: #0F2C59;
            --primary-dark: #0B192C;
            --primary-light: #1E3E62;
            --accent: #00B4D8;
            --accent-glow: #005691;
            --highlight: #D4AF37;
            --warning: #E07A5F;
            --bg-main: #F8FAFC;
            --bg-white: #FFFFFF;
            --text-dark: #1E293B;
            --text-muted: #64748B;
            --text-light: #F1F5F9;
            --border-color: #E2E8F0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 4px 6px -1px rgba(15, 44, 89, 0.05);
            --shadow-md: 0 10px 30px -10px rgba(15, 44, 89, 0.08);
            --shadow-lg: 0 20px 40px -15px rgba(0, 86, 145, 0.18);
            --gradient-brand: linear-gradient(135deg, #1E3E62 0%, #005691 50%, #00B4D8 100%);
            --gradient-dark: linear-gradient(145deg, #0B192C 0%, #0F2C59 100%);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
            background-color: var(--bg-main);
            color: var(--text-dark);
            line-height: 1.75;
        }

        body {
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航系统 */
        .top-bar {
            background-color: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-bar-left span {
            margin-right: 20px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .top-bar-right {
            color: var(--highlight);
            font-weight: 600;
        }

        header.site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo-symbol {
            width: 42px;
            height: 42px;
            background: var(--gradient-brand);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 20px;
            box-shadow: 0 4px 10px rgba(0, 180, 216, 0.3);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .logo-text span {
            display: block;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            position: relative;
            padding: 8px 0;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-glow);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }
        .nav-link:hover::after {
            width: 100%;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 26px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            outline: none;
            gap: 8px;
        }
        .btn-primary {
            background: var(--gradient-brand);
            color: #FFFFFF;
            box-shadow: 0 8px 20px -4px rgba(0, 86, 145, 0.4);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px -4px rgba(0, 86, 145, 0.5);
        }
        .btn-outline {
            background: rgba(255, 255, 255, 0.15);
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(8px);
        }
        .btn-outline:hover {
            background: #FFFFFF;
            color: var(--primary);
        }
        .btn-gold {
            background: linear-gradient(135deg, #D4AF37 0%, #AA820A 100%);
            color: #FFFFFF;
            box-shadow: 0 8px 20px -4px rgba(212, 175, 55, 0.4);
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px -4px rgba(212, 175, 55, 0.5);
        }

        /* 徽章胶囊 */
        .pill-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid rgba(0, 180, 216, 0.3);
            background: rgba(0, 180, 216, 0.08);
            color: var(--accent-glow);
            margin-bottom: 16px;
            gap: 6px;
        }
        .pill-badge-dark {
            border-color: rgba(212, 175, 55, 0.4);
            background: rgba(212, 175, 55, 0.15);
            color: var(--highlight);
        }

        /* 通用板块 */
        section {
            padding: 90px 0;
            position: relative;
        }
        .section-light {
            background-color: var(--bg-white);
        }
        .section-gray {
            background-color: var(--bg-main);
        }
        .section-dark {
            background: var(--gradient-dark);
            color: #FFFFFF;
        }

        .section-head {
            text-align: center;
            max-width: 820px;
            margin: 0 auto 56px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .section-dark .section-title {
            color: #FFFFFF;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* Section 1: Hero */
        #hero {
            padding: 100px 0 120px;
            background: url('/assets/images/a0f272cf416f160f.webp') center/cover no-repeat;
            position: relative;
            color: #FFFFFF;
        }
        #hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 25, 44, 0.94) 0%, rgba(15, 44, 89, 0.88) 100%);
        }
        .hero-wrapper {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 32px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .hero-cert-row {
            display: flex;
            gap: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 24px;
        }
        .cert-item {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-card-stage {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(16px);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-lg);
        }
        .hero-stage-head {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--highlight);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .stage-nav-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-bottom: 24px;
        }
        .stage-item {
            background: rgba(255, 255, 255, 0.05);
            padding: 14px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .stage-item strong {
            display: block;
            font-size: 15px;
            margin-bottom: 4px;
            color: #FFFFFF;
        }
        .stage-item span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
        }

        /* Section 2: Pain Points */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .pain-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border-top: 4px solid var(--warning);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }
        .pain-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .pain-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--warning);
            text-transform: uppercase;
            margin-bottom: 12px;
            display: inline-block;
        }
        .pain-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .pain-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Section 3: About Service */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 18px;
            line-height: 1.35;
        }
        .about-text p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .about-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 28px;
        }
        .about-hi-box {
            background: var(--bg-main);
            padding: 18px;
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--accent);
        }
        .about-hi-box strong {
            display: block;
            font-size: 16px;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .about-hi-box span {
            font-size: 13px;
            color: var(--text-muted);
        }
        .about-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .about-img-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        /* Section 4: Advantages */
        .adv-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .adv-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .adv-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
        }
        .adv-num {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 32px;
            font-weight: 900;
            color: rgba(15, 44, 89, 0.08);
        }
        .adv-icon-box {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-md);
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            margin-bottom: 22px;
        }
        .adv-card h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .adv-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* Section 5: Hot Services */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            align-items: stretch;
        }
        .hot-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            position: relative;
        }
        .hot-card.featured {
            border: 2px solid var(--accent-glow);
            transform: scale(1.03);
            box-shadow: 0 20px 45px -10px rgba(0, 86, 145, 0.25);
        }
        .hot-featured-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--gradient-brand);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 50px;
        }
        .hot-card-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .hot-card-subtitle {
            font-size: 13px;
            color: var(--accent-glow);
            font-weight: 600;
            margin-bottom: 20px;
        }
        .hot-deliver-list {
            list-style: none;
            margin: 24px 0 32px;
            flex-grow: 1;
        }
        .hot-deliver-list li {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .hot-deliver-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: 900;
        }

        /* Section 6: Process Steps */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }
        .process-flow::after {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--accent) 0, var(--accent) 6px, transparent 6px, transparent 12px);
            z-index: 1;
        }
        .process-step-box {
            position: relative;
            z-index: 2;
            background: var(--bg-white);
            padding: 28px 20px;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .step-circle {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            border: 4px solid var(--bg-main);
            box-shadow: 0 0 0 2px var(--accent);
        }
        .step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Section 7: Case Study */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .case-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 36px;
            backdrop-filter: blur(8px);
        }
        .case-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
            font-size: 13px;
            color: var(--highlight);
        }
        .case-title {
            font-size: 21px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .case-body {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .case-footer {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            justify-content: space-between;
        }

        /* Section 8: Stories */
        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }
        .story-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }
        .story-img {
            height: 220px;
            width: 100%;
            object-fit: cover;
        }
        .story-content {
            padding: 32px;
        }
        .story-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .story-quote {
            font-size: 14px;
            font-style: italic;
            color: var(--text-muted);
            border-left: 3px solid var(--accent);
            padding-left: 14px;
            margin-bottom: 18px;
            line-height: 1.7;
        }
        .story-verdict {
            font-size: 13px;
            color: var(--primary-light);
            font-weight: 600;
        }

        /* Section 9: Stats Metrics */
        .stats-bar-wrapper {
            background: var(--gradient-brand);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            box-shadow: var(--shadow-lg);
            color: #FFFFFF;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            position: relative;
        }
        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: rgba(255, 255, 255, 0.2);
        }
        .stat-val {
            font-size: 44px;
            font-weight: 900;
            margin-bottom: 6px;
            letter-spacing: -1px;
            color: #FFFFFF;
        }
        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 600;
        }

        /* Section 10: Testimonials */
        .testi-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .testi-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .testi-stars {
            color: var(--highlight);
            font-size: 16px;
            margin-bottom: 14px;
        }
        .testi-text {
            font-size: 14px;
            color: var(--text-dark);
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .testi-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testi-avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--bg-main);
            border: 2px solid var(--accent);
            object-fit: cover;
        }
        .testi-meta strong {
            display: block;
            font-size: 15px;
            color: var(--primary);
        }
        .testi-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Section 11: News Insights */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-body {
            padding: 24px;
            flex-grow: 1;
        }
        .news-tag {
            font-size: 12px;
            color: var(--accent-glow);
            font-weight: 700;
            margin-bottom: 8px;
            display: inline-block;
        }
        .news-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-snippet {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .news-footer {
            padding: 12px 24px 20px;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--accent-glow);
            font-weight: 600;
        }

        /* Section 12: FAQ */
        .faq-wrap {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-header {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            font-size: 16px;
            color: var(--primary);
            user-select: none;
        }
        .faq-header::after {
            content: '+';
            font-size: 20px;
            font-weight: 400;
            color: var(--accent-glow);
            transition: var(--transition);
        }
        .faq-item.active .faq-header::after {
            transform: rotate(45deg);
        }
        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: #FAFCFE;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
        }
        .faq-body-inner {
            padding: 0 24px 20px;
            border-top: 1px solid rgba(0, 0, 0, 0.04);
            padding-top: 12px;
        }

        /* Section 13: CTA Contact */
        #cta-contact {
            padding-bottom: 110px;
        }
        .cta-container-box {
            background: var(--gradient-brand);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            color: #FFFFFF;
            box-shadow: var(--shadow-lg);
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .cta-text-side h3 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-text-side p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .cta-promises {
            list-style: none;
        }
        .cta-promises li {
            font-size: 14px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-side {
            background: #FFFFFF;
            padding: 36px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            color: var(--text-dark);
        }
        .form-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            text-align: center;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }
        .form-input:focus, .form-select:focus, .form-textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
        }
        .form-submit-btn {
            width: 100%;
            padding: 14px;
            background: var(--primary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }
        .form-submit-btn:hover {
            background: var(--primary-light);
        }

        /* 浮动转化条 */
        .sticky-action-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(15, 44, 89, 0.96);
            backdrop-filter: blur(10px);
            padding: 12px 0;
            z-index: 999;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            align-items: center;
            box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.15);
        }
        .sticky-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .sticky-bar-text {
            color: #FFFFFF;
            font-size: 14px;
        }
        .sticky-bar-text strong {
            color: var(--highlight);
            margin-right: 8px;
        }

        /* 页脚规范 */
        footer.site-footer {
            background-color: #060E18;
            color: rgba(255, 255, 255, 0.65);
            padding: 70px 0 30px;
            font-size: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 50px; /* 留出浮动条高度 */
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-logo-title {
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-about-text {
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .footer-col h5 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.8);
            margin: 0 8px;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-wrapper, .about-grid, .cta-container-box {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .pain-grid, .adv-grid, .hot-grid, .testi-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .process-flow::after {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            .stat-item:not(:last-child)::after {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .main-nav {
                display: none; /* 移动端精简处理 */
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .pain-grid, .adv-grid, .hot-grid, .case-grid, .story-grid, .testi-grid, .news-grid, .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-container-box {
                padding: 36px 20px;
            }
            .sticky-action-bar {
                display: none;
            }
            footer.site-footer {
                margin-bottom: 0;
            }
        }