/* home.html 页面样式（由内联样式抽离，版本 20260909-1） */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-50: #eff6ff;
            --primary-100: #dbeafe;
            --primary-200: #bfdbfe;
            --accent: #ff8a1f;
            --accent-dark: #f97316;
            --accent-50: #fff7ed;
            --success: #10b981;
            --danger: #ef4444;
            --text-1: #0f172a;
            --text-2: #475569;
            --text-3: #94a3b8;
            --bg-page: #ffffff;
            --bg-soft: #f5f8ff;
            --bg-gradient: linear-gradient(180deg, #eef4ff 0%, #f7faff 55%, #ffffff 100%);
            --border: #e2e8f0;
            --border-soft: #eef2f7;
            --shadow-card: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(37, 99, 235, .06);
            --shadow-card-hover: 0 12px 40px rgba(37, 99, 235, .12);
            --shadow-pop: 0 20px 60px rgba(15, 23, 42, .08);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
        }

        html { scroll-behavior: smooth; }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-1);
            line-height: 1.65;
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        a { text-decoration: none; color: inherit; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        img { max-width: 100%; display: block; }
        ul { list-style: none; }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 10px;
            font-size: 14.5px;
            font-weight: 500;
            transition: all .2s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            color: #fff;
            box-shadow: 0 4px 14px rgba(37, 99, 235, .28);
        }
        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(29, 78, 216, .32);
        }
        .btn-accent {
            background: linear-gradient(135deg, #ff9f43, #f97316);
            color: #fff;
            box-shadow: 0 4px 14px rgba(249, 115, 22, .28);
        }
        .btn-accent:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(249, 115, 22, .35);
        }
        .btn-ghost {
            color: var(--text-2);
            padding: 8px 14px;
        }
        .btn-ghost:hover { color: var(--primary); background: var(--primary-50); }

        /* Hero 内单独容器：更宽更全屏 */
        .hero-wrap {
            width: 100%;
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 clamp(24px, 5vw, 72px);
        }

        /* ---------------- Hero ---------------- */
        .hero {
            position: relative;
            min-height: calc(100vh - 68px);
            display: flex;
            align-items: center;
            padding: 64px 0 80px;
            background: var(--bg-gradient);
            overflow: hidden;
        }
        .hero::before,
        .hero::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            filter: blur(90px);
            opacity: .7;
            pointer-events: none;
        }
        .hero::before {
            width: 640px; height: 640px;
            background: radial-gradient(circle, rgba(59, 130, 246, .24), transparent 60%);
            top: -180px; right: -80px;
        }
        .hero::after {
            width: 560px; height: 560px;
            background: radial-gradient(circle, rgba(255, 159, 67, .18), transparent 60%);
            bottom: -200px; left: -80px;
        }
        .hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: clamp(40px, 6vw, 88px);
            align-items: center;
        }
        .hero-title {
            font-size: clamp(36px, 4.6vw, 64px);
            line-height: 1.15;
            letter-spacing: -0.8px;
            color: var(--text-1);
            font-weight: 800;
            margin-bottom: 22px;
        }
        .hero-title .accent {
            background: linear-gradient(90deg, #1d4ed8, #3b82f6 50%, #60a5fa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-sub {
            font-size: clamp(15px, 1.3vw, 18px);
            color: var(--text-2);
            line-height: 1.9;
            margin-bottom: 34px;
            max-width: 640px;
        }

        /* 搜索框 */
        .search-panel {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 20px;
            padding: 12px;
            box-shadow: var(--shadow-card);
            margin-bottom: 36px;
            max-width: 720px;
        }
        .search-tabs {
            display: flex;
            gap: 6px;
            padding: 0 8px 12px;
            border-bottom: 1px solid var(--border-soft);
            margin-bottom: 12px;
            overflow-x: auto;
        }
        .search-tab {
            padding: 7px 16px;
            border-radius: 9px;
            font-size: 14px;
            color: var(--text-2);
            font-weight: 500;
            cursor: pointer;
            transition: all .2s;
            white-space: nowrap;
        }
        .search-tab:hover { background: var(--bg-soft); color: var(--primary); }
        .search-tab.active {
            background: var(--primary-50);
            color: var(--primary);
        }
        .search-row {
            display: flex;
            gap: 12px;
            padding: 4px;
        }
        .search-input {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            background: var(--bg-soft);
            border-radius: 14px;
            border: 1px solid transparent;
            transition: all .2s;
        }
        .search-input:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .08);
        }
        .search-input svg {
            width: 20px; height: 20px;
            color: var(--text-3);
            flex-shrink: 0;
        }
        .search-input input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 16px;
            color: var(--text-1);
            font-family: inherit;
        }
        .search-input input::placeholder { color: var(--text-3); }
        .btn-search {
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 14px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }
        .btn-lg {
            padding: 15px 30px;
            font-size: 16px;
            border-radius: 14px;
            font-weight: 600;
        }
        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-2);
            font-size: 15.5px;
            font-weight: 500;
            padding: 15px 16px;
            transition: color .2s;
        }
        .btn-link:hover { color: var(--primary); }
        .btn-link svg { width: 17px; height: 17px; }

        .hero-stats {
            display: flex;
            gap: clamp(28px, 4.2vw, 68px);
            flex-wrap: wrap;
        }
        .stat-item .num {
            font-size: clamp(28px, 2.8vw, 42px);
            font-weight: 800;
            line-height: 1;
            color: var(--text-1);
            letter-spacing: -0.5px;
        }
        .stat-item .num .unit {
            font-size: clamp(16px, 1.4vw, 22px);
            font-weight: 700;
            color: var(--primary);
            margin-left: 2px;
        }
        .stat-item .label {
            margin-top: 10px;
            font-size: 14px;
            color: var(--text-3);
        }

        /* Hero 可视化面板 */
        .hero-visual {
            position: relative;
        }
        .visual-stage {
            position: relative;
            padding: 24px 28px 28px;
            background: #fff;
            border-radius: 24px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-pop);
            overflow: hidden;
        }
        .visual-stage::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at top right, rgba(59, 130, 246, .06), transparent 50%),
                radial-gradient(ellipse at bottom left, rgba(255, 159, 67, .05), transparent 55%);
            pointer-events: none;
        }
        .visual-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 22px;
            position: relative;
        }
        .visual-head h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-1);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .dot {
            width: 8px; height: 8px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 0 4px rgba(16, 185, 129, .12);
        }
        .visual-head span {
            font-size: 12px;
            color: var(--text-3);
        }

        .dashboard-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1.15fr 1fr;
            gap: 26px;
        }

        /* 风险画像卡 */
        .profile-card {
            background: linear-gradient(180deg, #fff 0%, var(--primary-50) 100%);
            border: 1px solid var(--primary-100);
            border-radius: 18px;
            padding: 22px;
        }
        .profile-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }
        .profile-title h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-1);
        }
        .close-btn {
            width: 22px; height: 22px;
            border-radius: 6px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .close-btn svg { width: 12px; height: 12px; }
        .score-row {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }
        /* 环形进度 */
        .ring {
            --p: 82;
            --s: 112px;
            width: var(--s); height: var(--s);
            position: relative;
            border-radius: 50%;
            background:
                conic-gradient(var(--accent) calc(var(--p) * 1%), var(--accent-50) 0);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .ring::before {
            content: '';
            position: absolute;
            inset: 9px;
            background: #fff;
            border-radius: 50%;
            box-shadow: inset 0 0 0 1px var(--primary-100);
        }
        .ring .inner {
            position: relative;
            text-align: center;
        }
        .ring .inner b {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-1);
            line-height: 1;
        }
        .ring .inner span {
            display: block;
            font-size: 11px;
            color: var(--text-3);
            margin-top: 3px;
        }
        .score-info { flex: 1; }
        .score-item {
            margin-bottom: 12px;
        }
        .score-item:last-child { margin-bottom: 0; }
        .score-label {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13.5px;
            color: var(--text-2);
            margin-bottom: 6px;
        }
        .score-label b { color: var(--text-1); font-weight: 600; }
        .bar {
            height: 7px;
            background: var(--primary-50);
            border-radius: 999px;
            overflow: hidden;
        }
        .bar i {
            display: block;
            height: 100%;
            border-radius: 999px;
        }
        .bar i.b-primary { background: linear-gradient(90deg, #3b82f6, #2563eb); }
        .bar i.b-accent { background: linear-gradient(90deg, #ffb84d, #f97316); }
        .bar i.b-success { background: linear-gradient(90deg, #34d399, #10b981); }

        .profile-tabs {
            display: flex;
            gap: 6px;
        }
        .profile-tab {
            flex: 1;
            padding: 8px 10px;
            text-align: center;
            font-size: 12px;
            border-radius: 8px;
            font-weight: 600;
        }
        .profile-tab.on {
            background: var(--primary);
            color: #fff;
        }
        .profile-tab.off {
            background: #fff;
            color: var(--text-2);
            border: 1px solid var(--border-soft);
        }

        /* 等距插画 */
        .iso {
            position: relative;
            border-radius: 16px;
            padding: 12px;
            background:
                radial-gradient(ellipse at 30% 20%, rgba(59, 130, 246, .08), transparent 60%);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .iso svg { width: 100%; height: auto; }
        .float-card {
            position: absolute;
            background: #fff;
            border-radius: 12px;
            padding: 10px 12px;
            box-shadow: 0 10px 30px rgba(15, 23, 42, .08);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
        }
        .float-card .fc-icon {
            width: 30px; height: 30px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .float-card .fc-icon svg { width: 16px; height: 16px; color: #fff; }
        .float-card .fc-icon.blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
        .float-card .fc-icon.green { background: linear-gradient(135deg, #34d399, #059669); }
        .float-card .fc-text b { display: block; color: var(--text-1); font-size: 13px; font-weight: 700; }
        .float-card .fc-text span { color: var(--text-3); font-size: 11px; }
        .float-card.a { top: 4%; left: -6%; }
        .float-card.b { bottom: 8%; right: -4%; }

        /* 指标行 */
        .metrics {
            position: relative;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 24px;
        }
        .metric {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 16px;
            padding: 18px 18px 16px;
            box-shadow: 0 1px 2px rgba(15, 23, 42, .03);
        }
        .metric-head {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .metric-head svg { width: 18px; height: 18px; color: var(--primary); }
        .metric-head span {
            font-size: 13px;
            color: var(--text-2);
            font-weight: 500;
        }
        .metric-num {
            font-size: clamp(20px, 2vw, 28px);
            font-weight: 800;
            color: var(--text-1);
            line-height: 1;
            letter-spacing: -0.3px;
        }
        .metric-num .s {
            font-size: 12px;
            font-weight: 600;
            color: var(--success);
            margin-left: 4px;
        }
        .mini-bar {
            margin-top: 12px;
            display: flex;
            align-items: flex-end;
            gap: 4px;
            height: 36px;
        }
        .mini-bar i {
            flex: 1;
            border-radius: 3px;
            background: var(--primary-100);
            opacity: .8;
        }
        .mini-bar i.hi { background: var(--primary); }
        .mini-bar i.ac { background: var(--accent); opacity: 1; }

        /* ---------------- 区块通用 ---------------- */
        .section { padding: 96px 0; position: relative; }
        .section.soft { background: var(--bg-soft); }
        .sec-head {
            text-align: center;
            margin-bottom: 56px;
        }
        .sec-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            background: var(--primary-50);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
            border: 1px solid var(--primary-100);
        }
        .sec-badge svg { width: 14px; height: 14px; }
        .sec-title {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--text-1);
            margin-bottom: 12px;
        }
        .sec-sub {
            font-size: 16px;
            color: var(--text-2);
            max-width: 620px;
            margin: 0 auto;
        }

        /* ---------------- 核心服务 ---------------- */
        .svc-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 22px;
        }
        .svc-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            transition: all .3s cubic-bezier(.2,.7,.2,1);
            position: relative;
            overflow: hidden;
        }
        .svc-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            transform: scaleX(0);
            transition: transform .3s;
        }
        .svc-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary-200);
        }
        .svc-card:hover::before { transform: scaleX(1); }
        .svc-icon {
            width: 52px; height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }
        .svc-icon svg { width: 26px; height: 26px; }
        .svc-icon.c1 {
            background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
            color: var(--primary);
        }
        .svc-icon.c2 {
            background: linear-gradient(135deg, #ecfdf5, #a7f3d0);
            color: #059669;
        }
        .svc-icon.c3 {
            background: linear-gradient(135deg, var(--accent-50), #fed7aa);
            color: var(--accent-dark);
        }
        .svc-icon.c4 {
            background: linear-gradient(135deg, #fef2f2, #fecaca);
            color: #dc2626;
        }
        .svc-icon.c5 {
            background: linear-gradient(135deg, #eff6ff, #ffedd5);
            color: var(--primary);
        }
        .svc-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 10px;
        }
        .svc-card > p {
            font-size: 14.5px;
            color: var(--text-2);
            line-height: 1.75;
            margin-bottom: 18px;
        }
        .svc-list {
            margin-bottom: 20px;
        }
        .svc-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 7px 0;
            font-size: 13.5px;
            color: var(--text-2);
        }
        .svc-list li svg {
            width: 16px; height: 16px;
            color: var(--success);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .svc-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-50);
            transition: all .2s;
        }
        .svc-card:hover .svc-action {
            background: var(--primary);
            color: #fff;
        }
        .svc-action svg { width: 14px; height: 14px; transition: transform .2s; }
        .svc-card:hover .svc-action svg { transform: translateX(3px); }

        /* ---------------- 产品优势 ---------------- */
        .adv-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .adv-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 26px 20px;
            border: 1px solid var(--border-soft);
            text-align: center;
            transition: all .25s;
        }
        .adv-card:hover {
            border-color: var(--primary-200);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .adv-icon {
            width: 54px; height: 54px;
            margin: 0 auto 16px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
            color: var(--primary);
        }
        .adv-icon svg { width: 26px; height: 26px; }
        .adv-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 8px;
        }
        .adv-card p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* ---------------- 数据概览 ---------------- */
        .data-row {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .chart-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
        }
        .chart-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 22px;
        }
        .chart-head h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-1);
        }
        .chart-tabs {
            display: flex;
            gap: 4px;
            background: var(--bg-soft);
            padding: 4px;
            border-radius: 10px;
        }
        .chart-tabs span {
            padding: 5px 12px;
            border-radius: 7px;
            font-size: 12.5px;
            color: var(--text-2);
            font-weight: 500;
            cursor: pointer;
        }
        .chart-tabs span.on {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 1px 2px rgba(15, 23, 42, .06);
        }
        /* 折线图示意 */
        .chart-area {
            position: relative;
            height: 260px;
            padding: 10px 0 24px;
        }
        .chart-y {
            position: absolute;
            left: 0;
            top: 10px;
            bottom: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            font-size: 11px;
            color: var(--text-3);
            width: 36px;
        }
        .chart-grid {
            position: absolute;
            left: 42px;
            right: 0;
            top: 10px;
            bottom: 24px;
        }
        .chart-grid div {
            position: absolute;
            left: 0; right: 0;
            border-top: 1px dashed var(--border);
        }
        .chart-grid div:nth-child(1) { top: 0; }
        .chart-grid div:nth-child(2) { top: 25%; }
        .chart-grid div:nth-child(3) { top: 50%; }
        .chart-grid div:nth-child(4) { top: 75%; }
        .chart-grid div:nth-child(5) { top: 100%; }
        .chart-x {
            position: absolute;
            left: 42px;
            right: 0;
            bottom: 0;
            display: flex;
            justify-content: space-between;
            font-size: 11px;
            color: var(--text-3);
        }
        .svg-chart {
            position: absolute;
            left: 42px;
            right: 0;
            top: 10px;
            bottom: 24px;
            width: calc(100% - 42px);
            height: calc(100% - 34px);
        }
        .legend {
            display: flex;
            gap: 18px;
            margin-top: 14px;
            font-size: 12.5px;
            color: var(--text-2);
        }
        .legend span::before {
            content: '';
            display: inline-block;
            width: 10px; height: 10px;
            border-radius: 3px;
            margin-right: 6px;
            vertical-align: middle;
        }
        .legend .l1::before { background: var(--primary); }
        .legend .l2::before { background: var(--accent); }

        .data-side h3 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-1);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }
        .data-side h3 em {
            font-style: normal;
            color: var(--primary);
        }
        .data-side > p {
            font-size: 15.5px;
            color: var(--text-2);
            line-height: 1.85;
            margin-bottom: 26px;
        }
        .kv-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-bottom: 28px;
        }
        .kv {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 16px;
            border: 1px solid var(--border-soft);
        }
        .kv .k {
            font-size: 12.5px;
            color: var(--text-3);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .kv .k svg { width: 14px; height: 14px; color: var(--primary); }
        .kv .v {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-1);
            letter-spacing: -0.3px;
        }
        .kv .v .sm {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-3);
            margin-left: 2px;
        }

        /* ---------------- 应用场景 ---------------- */
        .sc-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }
        .sc-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            display: flex;
            gap: 20px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            transition: all .25s;
        }
        .sc-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .sc-icon {
            flex-shrink: 0;
            width: 54px; height: 54px;
            border-radius: 14px;
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            box-shadow: 0 8px 18px rgba(29, 78, 216, .22);
        }
        .sc-icon svg { width: 26px; height: 26px; }
        .sc-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 8px;
        }
        .sc-card p {
            font-size: 14.5px;
            color: var(--text-2);
            line-height: 1.8;
        }
        .sc-tag {
            display: inline-block;
            margin-top: 10px;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent-50);
            color: var(--accent-dark);
        }

        /* ---------------- CTA ---------------- */
        .cta-sec {
            padding: 72px 0;
            position: relative;
        }
        .cta-box {
            position: relative;
            background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 55%, #3b82f6 100%);
            border-radius: 28px;
            padding: 56px 60px;
            color: #fff;
            overflow: hidden;
        }
        .cta-box::before,
        .cta-box::after {
            content: '';
            position: absolute;
            border-radius: 50%;
        }
        .cta-box::before {
            width: 420px; height: 420px;
            top: -200px; right: -100px;
            background: radial-gradient(circle, rgba(255, 255, 255, .12), transparent 60%);
        }
        .cta-box::after {
            width: 300px; height: 300px;
            bottom: -160px; left: 40%;
            background: radial-gradient(circle, rgba(255, 159, 67, .22), transparent 65%);
        }
        .cta-body {
            position: relative;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-box h3 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }
        .cta-box p {
            font-size: 16px;
            opacity: .9;
            margin-bottom: 26px;
            max-width: 520px;
            line-height: 1.8;
        }
        .cta-btns {
            display: flex;
            gap: 14px;
        }
        .cta-btn-white {
            background: #fff;
            color: var(--primary);
            padding: 14px 26px;
            font-weight: 700;
            border-radius: 12px;
            font-size: 15.5px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, .12);
        }
        .cta-btn-white:hover { transform: translateY(-2px); }
        .cta-btn-trans {
            color: #fff;
            padding: 14px 22px;
            border-radius: 12px;
            font-size: 15.5px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, .35);
        }
        .cta-btn-trans:hover { background: rgba(255, 255, 255, .1); }
        .cta-perks {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .perk {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 14px;
            padding: 18px;
            backdrop-filter: blur(6px);
        }
        .perk b {
            display: block;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 4px;
        }
        .perk span {
            font-size: 13px;
            opacity: .85;
        }

        /* ---------------- 接入步骤 ---------------- */
        .step-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .step-item {
            text-align: center;
            position: relative;
            padding: 0 10px;
        }
        .step-circle {
            width: 62px; height: 62px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: #fff;
            border: 2px solid var(--primary-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            position: relative;
            z-index: 2;
            transition: all .25s;
        }
        .step-item:hover .step-circle {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: scale(1.06);
            box-shadow: 0 10px 20px rgba(37, 99, 235, .25);
        }
        .step-line {
            position: absolute;
            top: 31px;
            left: calc(50% + 31px);
            right: calc(-50% + 31px - 20px);
            height: 2px;
            background:
                linear-gradient(90deg, var(--primary-100) 50%, transparent 50%);
            background-size: 12px 2px;
            z-index: 1;
        }
        .step-item:last-child .step-line { display: none; }
        .step-item h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-1);
        }
        .step-item p {
            font-size: 13.5px;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* ---------------- 响应式 ---------------- */
        @media (max-width: 1080px) {
            .hero-wrap { max-width: 100%; padding: 0 32px; }
            .hero { min-height: auto; }
            .hero-grid { grid-template-columns: 1fr; gap: 48px; }
            .hero-visual { max-width: 720px; margin: 0 auto; width: 100%; }
            .data-row { grid-template-columns: 1fr; }
            .svc-grid { grid-template-columns: repeat(2, 1fr); }
            .adv-grid { grid-template-columns: repeat(2, 1fr); }
            .step-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
            .step-line { display: none; }
            .cta-body { grid-template-columns: 1fr; }
        }
        @media (max-width: 760px) {
            .hero-wrap { padding: 0 20px; }
            .container { padding: 0 20px; }
            .section { padding: 64px 0; }
            .hero { padding: 44px 0 56px; min-height: auto; }
            .hero-title { font-size: 32px !important; }
            .hero-sub { font-size: 15px; }
            .search-panel { max-width: 100%; }
            .search-input { padding: 10px 12px; }
            .btn-search { padding: 10px 18px; }
            .hero-actions { flex-wrap: wrap; }
            .hero-stats { gap: 28px; flex-wrap: wrap; }
            .stat-item .num { font-size: 28px !important; }
            .visual-stage { padding: 20px; }
            .dashboard-grid { grid-template-columns: 1fr; }
            .float-card.a, .float-card.b { display: none; }
            .metrics { grid-template-columns: 1fr; }
            .sec-title { font-size: 28px; }
            .svc-grid, .sc-grid { grid-template-columns: 1fr; }
            .adv-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
            .adv-card { padding: 20px 14px; }
            .adv-icon { width: 46px; height: 46px; }
            .sc-card { padding: 22px; flex-direction: column; }
            .step-grid { grid-template-columns: 1fr 1fr; }
            .cta-box { padding: 40px 28px; border-radius: 22px; }
            .cta-box h3 { font-size: 24px; }
            .cta-perks { grid-template-columns: 1fr 1fr; gap: 12px; }
            .perk { padding: 14px; }
            .kv-list { grid-template-columns: 1fr 1fr; gap: 10px; }
            .kv .v { font-size: 20px; }
        }
        @media (max-width: 400px) {
            .hero-title { font-size: 28px !important; }
            .btn-lg { width: 100%; }
            .hero-actions .btn-link { justify-content: center; }
            .adv-grid { grid-template-columns: 1fr; }
            .kv-list { grid-template-columns: 1fr; }
            .cta-perks { grid-template-columns: 1fr; }
            .cta-btns { flex-direction: column; }
            .cta-btns a { width: 100%; text-align: center; }
        }