/* ===== 全局重置与创意字体 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background: #f8fafc;
            color: #0f172a;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        @import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,400;14..32,500;14..32,600;14..32,700&display=swap');

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 区块间距 */
        .section-block {
            margin-top: 5rem;
            margin-bottom: 3rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            text-align: center;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #0f172a 0%, #2c3e66 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.8rem;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, #2563eb, #7c3aed);
            border-radius: 4px;
            margin: 0.8rem auto 1.5rem;
        }
        .section-sub {
            text-align: center;
            color: #475569;
            margin-bottom: 2.5rem;
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
            font-size: 1.05rem;
        }

        /* ===== 导航栏 (创意设计) ===== */
        .navbar {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(15px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(226,232,240,0.8);
        }
        .nav-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 0.7rem 0;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            width: 40px;
            height: 40px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 22px;
            box-shadow: 0 4px 10px rgba(30,60,114,0.3);
        }
        .logo-text {
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(120deg, #0f2b4d, #1f6392);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-links a {
            text-decoration: none;
            font-weight: 500;
            color: #1e293b;
            transition: color 0.2s, transform 0.2s;
            font-size: 0.95rem;
            position: relative;
            padding: 0.25rem 0;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #2563eb;
            transform: translateY(-1px);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: #2563eb;
            border-radius: 2px;
        }

        /* ===== Hero 区域：创意网格 + 动态渐变 ===== */
        .hero {
            padding: 3.5rem 0 4rem;
            background: linear-gradient(135deg, #f0f4ff 0%, #ffffff 60%, #f1f5f9 100%);
            border-bottom: 1px solid #e9eef3;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
        }
        .hero-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 3rem;
            position: relative;
            z-index: 2;
        }
        .hero-content {
            flex: 1.2;
        }
        .hero-badge {
            background: rgba(37,99,235,0.1);
            backdrop-filter: blur(6px);
            color: #1e40af;
            display: inline-block;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            letter-spacing: 0.4px;
            border: 1px solid rgba(37,99,235,0.2);
        }
        .hero-title {
            font-size: 3.4rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            background: linear-gradient(to right, #0c4a6e, #2563eb, #4f46e5);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.2rem;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: #334155;
            max-width: 90%;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 2.2rem;
        }
        .feature-tags span {
            background: rgba(255,255,255,0.8);
            backdrop-filter: blur(5px);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid #cbd5e1;
            color: #0f172a;
            transition: 0.2s;
        }
        .feature-tags span:hover {
            border-color: #2563eb;
            background: white;
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn-primary {
            background: #1e3a8a;
            color: white;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s;
            box-shadow: 0 4px 12px rgba(30,58,138,0.2);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #2563eb;
            transform: translateY(-3px);
            box-shadow: 0 16px 28px -8px rgba(37,99,235,0.4);
        }
        .btn-secondary {
            background: white;
            border: 1px solid #cbd5e1;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            color: #1e293b;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: #f1f5f9;
            border-color: #2563eb;
            color: #1e3a8a;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
        }

        .hero-cards {
            flex: 0.9;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: flex-end;
        }
        .hero-mini-card {
            background: rgba(255,255,255,0.8);
            backdrop-filter: blur(10px);
            border-radius: 1.5rem;
            padding: 1.2rem 1.2rem;
            box-shadow: 0 15px 30px -12px rgba(0,0,0,0.12);
            border: 1px solid rgba(226,232,240,0.9);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            min-width: 110px;
            transition: transform 0.25s, box-shadow 0.25s;
        }
        .hero-mini-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 25px 35px -12px rgba(0,0,0,0.18);
        }
        .hero-mini-card i {
            font-size: 2rem;
            color: #2563eb;
        }
        .hero-mini-card span {
            font-weight: 700;
            font-size: 1rem;
        }
        .hero-mini-card small {
            font-size: 0.7rem;
            color: #64748b;
        }

        /* ===== 客户端卡片网格 ===== */
        .card-grid-four {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.8rem;
        }
        .client-card {
            background: white;
            border-radius: 2rem;
            padding: 2rem 1.5rem;
            box-shadow: 0 12px 28px rgba(0,0,0,0.04);
            transition: all 0.3s ease;
            border: 1px solid #f1f5f9;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .client-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--accent-color);
        }
        .client-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 28px 45px -12px rgba(0,0,0,0.15);
        }
        .accent-blue { --accent-color: #3b82f6; }
        .accent-orange { --accent-color: #f97316; }
        .accent-purple { --accent-color: #8b5cf6; }
        .accent-green { --accent-color: #10b981; }

        .client-card__icon {
            font-size: 2.8rem;
            margin-bottom: 0.8rem;
            color: #1e293b;
        }
        .client-card__badge {
            background: #f1f5f9;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 1rem;
            width: fit-content;
        }
        .client-card h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        .client-card p {
            color: #475569;
            font-size: 0.9rem;
            margin-bottom: 1.2rem;
            flex: 1;
        }
        .client-card__specs {
            list-style: none;
            margin-bottom: 1.5rem;
            font-size: 0.85rem;
            color: #334155;
        }
        .client-card__specs li {
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .client-card__specs i {
            color: #10b981;
            font-size: 0.8rem;
        }
        .client-card__btn {
            background: #1e3a8a;
            color: white;
            text-decoration: none;
            padding: 12px 18px;
            border-radius: 40px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: background 0.2s;
            text-align: center;
            margin-top: auto;
        }
        .client-card__btn:hover {
            background: #2563eb;
        }
        .client-card__btn--alt {
            background: white;
            color: #2563eb;
            border: 1px solid #cbd5e1;
        }
        .client-card__btn--alt:hover {
            background: #f8fafc;
            border-color: #2563eb;
        }

        /* ===== 对比表格 ===== */
        .compare-table-wrapper {
            overflow-x: auto;
            border-radius: 1.5rem;
            box-shadow: 0 12px 30px rgba(0,0,0,0.05);
            background: white;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
        }
        .compare-table th {
            background: #f8fafc;
            padding: 1.2rem 1rem;
            font-weight: 600;
            color: #1e293b;
            text-align: left;
            border-bottom: 2px solid #e2e8f0;
        }
        .compare-table td {
            padding: 1rem 1rem;
            border-bottom: 1px solid #f1f5f9;
            color: #334155;
        }
        .tag {
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
        }
        .tag-blue { background: #dbeafe; color: #1e40af; }
        .tag-orange { background: #ffedd5; color: #c2410c; }
        .tag-purple { background: #ede9fe; color: #6d28d9; }
        .tag-green { background: #d1fae5; color: #065f46; }

        /* ===== 路线图 ===== */
        .roadmap {
            display: flex;
            align-items: flex-start;
            justify-content: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .roadmap-step {
            background: white;
            border-radius: 2rem;
            padding: 2rem 1.8rem;
            box-shadow: 0 10px 25px rgba(0,0,0,0.04);
            flex: 1 1 250px;
            max-width: 330px;
            text-align: center;
            border: 1px solid #f1f5f9;
            transition: transform 0.2s;
        }
        .roadmap-step:hover {
            transform: translateY(-5px);
        }
        .roadmap-step__num {
            font-size: 2.8rem;
            font-weight: 800;
            color: #e2e8f0;
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .roadmap-step__icon {
            font-size: 2.4rem;
            color: #2563eb;
            margin-bottom: 0.8rem;
        }
        .roadmap-step h4 {
            font-size: 1.3rem;
            margin-bottom: 0.8rem;
        }
        .roadmap-step p {
            color: #475569;
            font-size: 0.9rem;
        }
        .roadmap-connector {
            display: flex;
            align-items: center;
            font-size: 2rem;
            color: #94a3b8;
            padding-top: 4rem;
        }

        /* ===== 最新动态 ===== */
        .updates-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }
        .update-item {
            background: white;
            border-radius: 1.5rem;
            padding: 1.5rem;
            box-shadow: 0 6px 16px rgba(0,0,0,0.03);
            border-left: 4px solid #2563eb;
            transition: 0.2s;
        }
        .update-item:hover {
            box-shadow: 0 12px 24px rgba(0,0,0,0.08);
        }
        .update-item__date {
            font-size: 0.8rem;
            color: #64748b;
            margin-bottom: 0.5rem;
            display: block;
        }
        .update-item h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }
        .update-item p {
            color: #475569;
            font-size: 0.9rem;
            margin-bottom: 0.8rem;
        }
        .update-item__link {
            color: #2563eb;
            font-weight: 500;
            text-decoration: none;
        }

        /* ===== FAQ区块 ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .faq-item {
            background: white;
            border-radius: 1.2rem;
            padding: 1.5rem;
            border-left: 4px solid #3b82f6;
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.5rem;
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .faq-item p {
            color: #475569;
            font-size: 0.9rem;
        }
        .faq-more {
            text-align: center;
            font-weight: 500;
        }

        /* ===== CTA 横幅 ===== */
        .cta-banner {
            background: linear-gradient(105deg, #eef2ff 0%, #ffffff 80%);
            border-radius: 2.5rem;
            padding: 3rem 2.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            border: 1px solid #e0e7ff;
            box-shadow: 0 10px 30px rgba(0,0,0,0.04);
        }
        .cta-banner__content {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .cta-banner__icon {
            font-size: 3.5rem;
            color: #2563eb;
        }
        .cta-banner__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3.5rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 0.8rem;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 0.8rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 6px;
        }
        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
        }
        .footer-links a:hover {
            color: white;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 1.8rem;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .card-grid-four {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 780px) {
            .nav-flex {
                flex-direction: column;
                gap: 12px;
            }
            .nav-links {
                justify-content: center;
            }
            .hero-grid {
                flex-direction: column;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .card-grid-four {
                grid-template-columns: 1fr;
            }
            .roadmap {
                flex-direction: column;
                align-items: center;
            }
            .roadmap-connector {
                transform: rotate(90deg);
                padding-top: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .hero-title {
                font-size: 1.9rem;
            }
            .btn-group {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }