* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            background: #F7FAFC;
            font-family: system-ui, -apple-system, 'Segoe UI', 'Noto Sans SC', Roboto, Helvetica, sans-serif;
            color: #1E2F3A;
            line-height: 1.5;
            scroll-behavior: smooth;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }
        /* 导航栏 */
        .glass-nav {
            position: sticky;
            top: 0;
            background: #FFFFFF;
            z-index: 1000;
            border-bottom: 1px solid #E2EDF2;
            padding: 16px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .nav-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(125deg, #006B6B, #009B8A);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
        }
        .nav-links {
            display: flex;
            gap: 36px;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            font-weight: 600;
            color: #1C4E5C;
            font-size: 1rem;
            transition: 0.2s;
        }
        .nav-links a:hover { color: #008B8B; border-bottom: 2px solid #008B8B; padding-bottom: 4px; }
        .nav-cta {
            background: #0D3B44;
            color: white;
            border: none;
            padding: 10px 28px;
            border-radius: 60px;
            font-weight: 700;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-cta:hover { background: #006F6F; transform: scale(0.97); }
        /* 按钮 */
        .btn-primary, .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 32px;
            border-radius: 60px;
            font-weight: 700;
            transition: 0.2s;
            text-decoration: none;
        }
        .btn-primary {
            background: #0D3B44;
            color: white;
            box-shadow: 0 6px 14px rgba(0,80,80,0.15);
        }
        .btn-primary:hover { background: #005F5F; transform: translateY(-2px); }
        .btn-outline {
            background: transparent;
            border: 1.5px solid #7FC1C1;
            color: #176B6B;
        }
        .btn-outline:hover { background: #E2F3F3; border-color: #008B8B; }
        /* 间距 */
        section { margin-bottom: 80px; }
        /* Hero */
        .hero-creative {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 60px;
            padding: 40px 0 20px;
            align-items: center;
        }
        @media (max-width: 880px) {
            .hero-creative { grid-template-columns: 1fr; gap: 48px; }
            .nav-links { display: none; }
        }
        .badge-glow {
            background: #DCF3F0;
            color: #005757;
            display: inline-block;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 24px;
        }
        h1 {
            font-size: 3.2rem;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 20px;
            color: #0C2D38;
        }
        .text-gradient {
            background: linear-gradient(115deg, #006B6B, #2FAA7A);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
        }
        .hero-stats-creative {
            display: flex;
            gap: 48px;
            margin: 32px 0 28px;
        }
        .hero-stats-creative div span:first-child {
            font-size: 2rem;
            font-weight: 800;
            color: #006868;
            display: block;
        }
        .floating-card {
            background: white;
            border-radius: 48px;
            padding: 32px 24px;
            box-shadow: 0 20px 35px -12px rgba(0,0,0,0.1);
            border: 1px solid #D6ECEC;
            text-align: center;
        }
        /* 卡片网格 */
        .zigzag-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
            gap: 40px;
            margin: 56px 0 20px;
        }
        .card-3d {
            background: white;
            border-radius: 32px;
            padding: 32px 24px;
            transition: 0.25s;
            border: 1px solid #E2EDF0;
            box-shadow: 0 6px 14px rgba(0,0,0,0.02);
        }
        .card-3d:hover { transform: translateY(-5px); border-color: #9ACDCD; }
        /* 工作流时间线 */
        .workflow-timeline {
            display: flex;
            flex-direction: column;
            gap: 48px;
            margin: 48px 0 40px;
        }
        .workflow-step {
            display: flex;
            gap: 28px;
            background: #FFFFFF;
            border-radius: 32px;
            padding: 28px 32px;
            border: 1px solid #EAF1F3;
        }
        .step-icon { font-size: 3rem; min-width: 70px; }
        .step-content h3 { font-size: 1.6rem; margin-bottom: 12px; color: #0C3E48; }
        .step-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }
        .step-tags span {
            background: #E7F2F2;
            padding: 5px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #006060;
        }
        @media (max-width: 720px) { .workflow-step { flex-direction: column; } }
        /* 安全盾牌 */
        .shield-block {
            background: linear-gradient(135deg, #0E2F35, #03181E);
            border-radius: 64px;
            padding: 56px 40px;
            color: white;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            margin: 48px 0 32px;
        }
        .pillar {
            background: rgba(255,255,245,0.08);
            border-radius: 32px;
            padding: 28px;
            flex: 1;
        }
        /* 用户评价 */
        .mosaic-review {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-top: 48px;
        }
        .review-card {
            background: white;
            border-radius: 32px;
            padding: 32px 28px;
            border: 1px solid #E6F0F0;
        }
        @media (max-width: 880px) { .mosaic-review { grid-template-columns: 1fr; } }
        /* ========= 全新FAQ手风琴区域 ========= */
        .faq-section {
            background: #F0F6F8;
            border-radius: 64px;
			    max-width: 900px;
    margin: 60px auto;  /* 这行确保上下60px，左右自动居中 */
    padding: 20px;
        }
        .faq-grid {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 48px;
        }
        .faq-item {
            background: white;
            border-radius: 28px;
            overflow: hidden;
            transition: 0.2s;
            border: 1px solid #D2E5E5;
        }
        .faq-question {
            padding: 24px 32px;
            font-size: 1.2rem;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: white;
            color: #1C4E5C;
        }
        .faq-question:hover { background: #F9FEFE; }
        .faq-question .arrow {
            font-size: 1.5rem;
            transition: transform 0.2s;
            color: #008B8B;
        }
        .faq-item.active .faq-question .arrow { transform: rotate(90deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            background: #FDFFFF;
            border-top: 1px solid #E2F0F0;
            padding: 0 32px;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 24px 32px;
        }
        .faq-answer p {
            margin-bottom: 12px;
            line-height: 1.6;
            color: #2B5B68;
        }
        .verification-steps, .answer-flow {
            margin: 16px 0;
            padding-left: 20px;
        }
        .flow-step, .verification-step {
            margin-bottom: 12px;
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .flow-step span, .verification-step span:first-child {
            font-weight: 800;
            background: #E2F0F0;
            border-radius: 30px;
            padding: 2px 12px;
            min-width: 28px;
        }
        .answer-tip {
            background: #E7F4F4;
            padding: 12px 18px;
            border-radius: 24px;
            margin-top: 16px;
            font-size: 0.9rem;
        }
        /* 下载区 */
        .download-zone {
            background: linear-gradient(125deg, #0A383F, #03222A);
            border-radius: 64px;
            padding: 60px 40px;
            text-align: center;
            color: white;
        }
        .btn-download-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin: 40px 0 28px;
        }
        .badge-download {
            background: rgba(255,255,245,0.15);
            border-radius: 80px;
            padding: 14px 28px;
            font-weight: 700;
            cursor: pointer;
            border: 1px solid rgba(255,255,255,0.3);
            color: white;
            text-decoration: none;
            display: inline-block;
            font-size: 0.9rem;
        }
        .badge-download:hover { background: #009C9C; transform: scale(0.97); }
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(28px);
            transition: opacity 0.7s ease, transform 0.6s ease;
        }
        .animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
        .stat-number-counter { font-size: 2.2rem; font-weight: 800; }
        footer {
            background: #071D24;
            color: #C2DFE3;
            padding: 56px 0 32px;
            margin-top: 80px;
        }
        footer a { color: #C2DFE3; text-decoration: none; }
        footer a:hover { color: white; text-decoration: underline; }
        hr { margin: 40px 0; border-color: #2C5A5F; }
        code { background: rgba(0,0,0,0.2); padding: 2px 8px; border-radius: 20px; }
        @media (max-width: 640px) {
            .container { padding: 0 20px; }
            h1 { font-size: 2.4rem; }
            .faq-section { padding: 32px 20px; }
        }