/* ===== 全局重置 & 字体 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* 设置基准字号：10px = 1rem（方便计算） */
        html {
            font-size: 62.5%; /* 1rem = 10px */
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #fff6f7;
            color: #1a1a2e;
            line-height: 1.6;
            font-size: 1.6rem; /* 16px 基础字号 */
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-block;
            background: #ff4c88;
            color: #fff;
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1.5rem; /* 15px */
            letter-spacing: 0.3px;
            transition: background 0.25s, transform 0.15s;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: #e63e73;
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-block;
            background: transparent;
            color: #ff4c88;
            padding: 10px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1.5rem; /* 15px */
            border: 2px solid #ff4c88;
            transition: background 0.25s, color 0.25s;
            cursor: pointer;
        }

        .btn-outline:hover {
            background: #ff4c88;
            color: #fff;
        }

        /* ===== HEADER / 导航 ===== */
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 2.6rem; /* 26px */
            font-weight: 700;
            color: #1a1a2e;
        }

        .logo i {
            color: #ff4c88;
            font-size: 3.2rem; /* 32px */
        }

        .logo span {
            color: #ff4c88;
        }

        .nav-links {
            display: flex;
            gap: 32px;
            font-weight: 500;
            color: #3d3d4e;
            font-size: 1.5rem; /* 15px */
        }

        .nav-links a {
            transition: color 0.2s;
        }

        .nav-links a:hover {
            color: #ff4c88;
        }

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

        /* ===== Hero ===== */
        .hero {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 40px 0 60px 0;
            gap: 40px;padding-top: 150px;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1 1 480px;
        }

        .hero-text .badge {
            display: inline-block;
            background: #ffd3db;
            color: #b32d5a;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 1.3rem; /* 13px */
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-text h1 {
            font-size: 4.8rem; /* 48px */
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #1a1a2e;
        }

        .hero-text h1 i {
            color: #ff4c88;
        }

        .hero-text p {
            font-size: 1.8rem; /* 18px */
            color: #4a4a5e;
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 16px;
        }

        .hero-stats div {
            text-align: left;
        }

        .hero-stats .number {
            font-size: 2.8rem; /* 28px */
            font-weight: 700;
            color: #1a1a2e;
        }

        .hero-stats .label {
            font-size: 1.4rem; /* 14px */
            color: #6b6b80;
        }

        .hero-visual {
            flex: 1 1 400px;
            background: linear-gradient(to bottom, #ffffff, #fff6f7);
            border-radius: 32px;
            padding: 40px 30px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 320px;
            box-shadow: 0 12px 30px rgba(255, 76, 136, 0.08);
            position: relative;
            overflow: hidden;
        }

        .hero-visual .mockup-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 16px;
            width: 100%;
        }

        .mockup-grid .card {
            background: #fff;
            border-radius: 16px;
            padding: 18px 12px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
            transition: transform 0.2s;
        }

        .mockup-grid .card i {
            font-size: 2.8rem; /* 28px */
            color: #ff4c88;
            margin-bottom: 6px;
        }

        .mockup-grid .card span {
            display: block;
            font-size: 1.2rem; /* 12px */
            font-weight: 500;
            color: #3d3d4e;
        }

        .hero-visual .floating-tag {
            position: absolute;
            bottom: 20px;
            right: 24px;
            background: #fff;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 1.3rem; /* 13px */
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            color: #1a1a2e;
        }

        .hero-visual .floating-tag i {
            color: #4caf50;
            margin-right: 6px;
        }

        /* ===== 通用标题 ===== */
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-title h2 {
            font-size: 3.8rem; /* 38px */
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 12px;
        }

        .section-title h2 i {
            color: #ff4c88;
        }

        .section-title p {
            color: #5a5a70;
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.7rem; /* 17px */
        }

        /* ===== 功能亮点 ===== */
        .features {
            padding: 60px 0 40px 0;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .feature-item {
            background: #fff;
            padding: 32px 24px;
            border-radius: 24px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.03);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid #f0ebe3;
        }

        .feature-item:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(255, 76, 136, 0.10);
            border-color: #ffd3db;
        }

        .feature-item .icon {
            width: 56px;
            height: 56px;
            background: #fff6f7;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .feature-item .icon i {
            font-size: 2.8rem; /* 28px */
            color: #ff4c88;
        }

        .feature-item h3 {
            font-size: 1.9rem; /* 19px */
            font-weight: 700;
            margin-bottom: 8px;
        }


        .feature-item p {
            color: #5a5a70;
            font-size: 1.5rem; /* 15px */
        }

        /* ===== 功能模块 (深色背景) ===== */
        .modules {
            background: #1a1a2e;
            color: #f0ebe3;
            padding: 70px 0;
        }

        .modules .section-title h2 {
            color: #fff;
        }

        .modules .section-title h2 i {
            color: #ff4c88;
        }

        .modules .section-title p {
            color: #b8b8cc;
        }

        .modules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
        }

        .module-card {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            padding: 28px 20px;
            text-align: center;
            transition: background 0.2s;
            border: 1px solid rgba(255, 255, 255, 0.04);
        }

        .module-card:hover {
            background: rgba(255, 76, 136, 0.15);
            border-color: rgba(255, 76, 136, 0.3);
        }

        .module-card i {
            font-size: 3.5rem; /* 35px */
            color: #ff4c88;
            margin-bottom: 12px;
        }

        .module-card h4 {
            font-weight: 600;
            font-size: 1.6rem; /* 16px */
            margin-bottom: 6px;
        }

        .module-card p {
            font-size: 1.3rem; /* 13px */
            color: #b8b8cc;
            line-height: 1.4;
        }

        /* ===== 数据/信任 ===== */
        .trust {
            padding: 40px 0 60px 0;
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 30px;
            text-align: center;
        }

        .trust-item .number {
            font-size: 4.0rem; /* 40px */
            font-weight: 700;
            color: #1a1a2e;
        }

        .trust-item .number i {
            color: #ff4c88;
            font-size: 3.2rem; /* 32px */
            margin-right: 4px;
        }

        .trust-item .label {
            color: #5a5a70;
            font-size: 1.5rem; /* 15px */
        }

        /* ===== CTA ===== */
        .cta {
            background: linear-gradient(to right, #fb538b, #ff8b9f);
            border-radius: 40px;
            padding: 60px 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
            margin: 20px auto 60px auto;
            color: #fff;
        }

        .cta-text h3 {
            font-size: 2.8rem; /* 28px */
            font-weight: 700;
        }

        .cta-text p {
            opacity: 0.9;
            font-size: 1.6rem; /* 16px */
        }

        .cta .btn-primary {
            background: #fff;
            color: #ff4c88;
        }

        .cta .btn-primary:hover {
            background: #f5f5f5;
            color: #e63e73;
        }

        /* ===== FOOTER ===== */
        .footer {
            border-top: 1px solid #ffd3db;
            padding: 30px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 1.4rem; /* 14px */
            color: #5a5a70;
        }

        .footer .social i {
            font-size: 2.0rem; /* 20px */
            margin-left: 14px;
            color: #7a7a90;
            transition: color 0.2s;
        }

        .footer .social i:hover {
            color: #ff4c88;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 820px) {
            .container {
                padding: 0 24px;
            }
            .hero-text h1 {
                font-size: 3.6rem;
            }
            .navbar {
                flex-direction: column;
                gap: 14px;
                align-items: stretch;
            }
            .nav-links {
                justify-content: center;
                gap: 18px;
                flex-wrap: wrap;
            }
            .nav-actions {
                justify-content: center;
            }
            .hero {
                flex-direction: column;padding-top: 150px;
            }
            .hero-visual {
                min-height: 220px;
                padding: 24px 16px;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .cta {
                flex-direction: column;
                text-align: center;
                padding: 40px 24px;
            }
            .section-title h2 {
                font-size: 3.2rem;
            }
            .modules-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 480px) {
            .modules-grid {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .hero-text h1 {
                font-size: 3.0rem;
            }
        }
/*ym*/
 /* ===== 合规与安全 ===== */
        .compliance {
            padding: 40px 0 60px 0;
        }

        .compliance-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            text-align: center;
        }

        .compliance-item .number {
            font-size: 4.0rem; /* 40px */
            font-weight: 700;
            color: #1a1a2e;
        }

        .compliance-item .number i {
            color: #ff4c88;
            font-size: 3.2rem; /* 32px */
            margin-right: 4px;
        }

        .compliance-item .label {
            color: #5a5a70;
            font-size: 1.5rem; /* 15px */
        }