/* 蔚蓝 · 流程引导器风格 (与首页蓝色基调一致) */
        *{margin:0;padding:0;box-sizing:border-box;}
        body{
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background:#f5faff; color:#1a2a3a; line-height:1.5;
        }
        @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;}
        
        /* 导航 — 蓝色基调 */
        .navbar{
            background:rgba(255,255,255,0.96); box-shadow:0 2px 12px rgba(0,70,120,0.04);
            position:sticky; top:0; z-index:50; border-bottom:1px solid #c2d9f0;
            backdrop-filter: blur(4px);
        }
        .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:#1a73e8; width:38px; height:38px; border-radius:14px; display:flex; align-items:center; justify-content:center; color:white; font-weight:700; font-size:20px; box-shadow:0 4px 8px rgba(26,115,232,0.15);}
        .logo-text{font-size:1.6rem; font-weight:700; color:#0b3b66; letter-spacing:-0.3px;}
        .nav-links{display:flex; gap:22px; align-items:center; flex-wrap:wrap;}
        .nav-links a{text-decoration:none; font-weight:550; color:#1e4460; transition:all 0.15s; font-size:0.98rem; padding:6px 0; border-bottom:2px solid transparent;}
        .nav-links a:hover, .nav-links a.active{color:#1a73e8; border-bottom-color:#1a73e8;}
        
        /* 页面头部 */
        .page-header{padding:2.5rem 0 1.5rem; text-align:center; background:linear-gradient(105deg, #f2f8ff 0%, #ffffff 100%);}
        .page-header h1{font-size:2.8rem; font-weight:800; color:#0a3360; margin-bottom:0.5rem;}
        
        .section-title{font-size:2rem; font-weight:700; color:#0a3360; margin:2rem 0 1.2rem;}
        
        /* 进度步骤条 (创新点) */
        .progress-steps{display:flex; justify-content:space-between; margin:2rem 0 2.5rem; position:relative;}
        .progress-steps::before{content:''; position:absolute; top:24px; left:10%; right:10%; height:3px; background:#c2d9f0; z-index:0;}
        .step-item{display:flex; flex-direction:column; align-items:center; gap:8px; z-index:2; background:#f5faff; padding:0 12px;}
        .step-icon{width:48px; height:48px; background:white; border:2px solid #b7d2f0; border-radius:30px; display:flex; align-items:center; justify-content:center; font-weight:700; color:#1a4466;}
        .step-item.active .step-icon{background:#1a73e8; border-color:#1a73e8; color:white;}
        .step-item.completed .step-icon{background:#0a3360; border-color:#0a3360; color:white;}
        .step-label{font-weight:600; color:#0a3360;}
        .step-error{font-size:0.8rem; color:#c5221f; display:flex; align-items:center; gap:4px;}
        
        /* 分人群入口 */
        .persona-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin:2rem 0;}
        .persona-card{background:white; border-radius:28px; padding:2rem 1.5rem; border:1px solid #d0e1f5; text-decoration:none; color:inherit; transition:0.2s;}
        .persona-card:hover{border-color:#1a73e8; transform:translateY(-4px); box-shadow:0 20px 30px -10px rgba(26,115,232,0.08);}
        .persona-icon{font-size:2.5rem; margin-bottom:1rem;}
        .arrow-link{color:#1a73e8; font-weight:600; display:inline-flex; align-items:center; gap:6px; margin-top:12px;}
        
        /* 平台切换 */
        .platform-tabs{display:flex; gap:12px; margin:2rem 0 1.5rem;}
        .tab-btn{padding:10px 28px; border-radius:60px; border:1.5px solid #b7d2f0; background:white; font-weight:600; cursor:pointer; color:#1a4466;}
        .tab-btn.active{background:#1a73e8; color:white; border-color:#1a73e8;}
        .tab-content{display:none;}
        .tab-content.active{display:block;}
        
        /* 步骤卡片 */
        .step-cards{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin:2rem 0;}
        .step-card{background:white; border-radius:24px; padding:1.8rem; border:1px solid #d0e1f5;}
        .step-num{background:#1a73e8; color:white; width:42px; height:42px; border-radius:14px; display:flex; align-items:center; justify-content:center; font-weight:700; margin-bottom:1rem;}
        .inline-error{background:#fff3e0; border-left:4px solid #f59e0b; padding:1rem; border-radius:16px; margin:1rem 0; font-size:0.95rem;}
        .copy-snippet{background:#ecf5fe; border-radius:18px; padding:0.9rem 1.2rem; display:flex; align-items:center; justify-content:space-between; margin:1rem 0;}
        .faq-inline{background:white; border-radius:20px; padding:1.2rem; border:1px solid #d0e1f5;}
        .faq-question-inline{font-weight:600; margin-bottom:0.8rem; cursor:pointer; display:flex; align-items:center; gap:10px;}
        .faq-answer{display:none; padding-left:1.8rem; border-left:2px solid #1a73e8; margin-top:0.8rem; color:#1b4a70;}
        
        /* 号召区域 */
        .cta-download{background:#0a3360; border-radius:3rem; padding:2.5rem 2.8rem; margin:3rem 0; color:white; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap;}
        .cta-btn{background:#f5c542; color:#0a2d4a; padding:16px 38px; border-radius:60px; font-weight:800; text-decoration:none; font-size:1.2rem;}
        
        /* 底部 */
        .footer{background:#e2edf7; color:#1b3f60; padding:2.8rem 0; margin-top:4rem; border-top:1px solid #b8cee8;}
        .footer-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:2rem; padding-bottom:2rem; border-bottom:1px solid #b1c6e0;}
        .footer a{color:#1b4a70; text-decoration:none;}
        .sitemap-row{margin-top:2rem; text-align:center;}
        @media (max-width:800px){
            .persona-grid, .step-cards{grid-template-columns:1fr;}
            .progress-steps{flex-direction:column; align-items:flex-start; gap:16px;}
            .progress-steps::before{display:none;}
        }
        .fa-chevron-right{transition:transform 0.2s;}