/* 与首页完全统一的蓝紫变量 */
        *{margin:0;padding:0;box-sizing:border-box;}
        body{
            font-family:'Inter', system-ui, -apple-system, sans-serif;
            background:#fafcff; color:#1a1f36; line-height:1.5;
            -webkit-font-smoothing:antialiased;
        }
        :root{
            --primary:#4f46e5;
            --primary-light:#6366f1;
            --accent:#06b6d4;
            --surface:#ffffff;
            --bg-soft:#f8fafd;
            --border-light:#e9eef4;
            --text-main:#1e293b;
            --text-muted:#475569;
            --shadow-card:0 18px 35px -12px rgba(0,0,0,0.07), 0 6px 12px -4px rgba(0,0,0,0.03);
            --radius-xl:2rem;
            --radius-lg:1.5rem;
            --radius-md:1rem;
        }
        .container{max-width:1280px; margin:0 auto; padding:0 24px;}

        /* 导航 (玻璃效果) */
        .navbar{
            background:rgba(255,255,255,0.85); backdrop-filter:blur(12px);
            -webkit-backdrop-filter:blur(12px);
            border-bottom:1px solid rgba(79,70,229,0.12);
            position:sticky; top:0; z-index:50;
        }
        .nav-flex{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; padding:0.9rem 0;}
        .logo-area{display:flex; align-items:center; gap:10px;}
        .logo-icon{background:linear-gradient(145deg, #4f46e5, #7c3aed); width:40px; height:40px; border-radius:14px; display:flex; align-items:center; justify-content:center; color:white; font-weight:700; font-size:22px; box-shadow:0 6px 12px -4px rgba(79,70,229,0.3);}
        .logo-text{font-size:1.6rem; font-weight:700; color:#0b1120; letter-spacing:-0.4px;}
        .logo-text span{color:var(--primary); font-weight:800;}
        .nav-links{display:flex; gap:28px; align-items:center; flex-wrap:wrap;}
        .nav-links a{text-decoration:none; font-weight:500; color:#2c3e50; transition:0.15s; font-size:1rem; padding:6px 2px; border-bottom:2px solid transparent;}
        .nav-links a:hover, .nav-links a.active{color:var(--primary); border-bottom-color:var(--primary);}

        /* 页面头部 */
        .page-header{padding:2.5rem 0 1.5rem; text-align:center;}
        .page-header h1{font-size:2.8rem; font-weight:800; color:#0a0f2c;}
        .page-header p{color:var(--text-muted); font-size:1.2rem;}

        /* 按钮系统 */
        .btn-primary{
            background:var(--primary); color:white; padding:12px 28px; border-radius:60px;
            font-weight:600; text-decoration:none; display:inline-flex; align-items:center; gap:10px;
            box-shadow:0 8px 18px -6px rgba(79,70,229,0.3); transition:0.2s;
        }
        .btn-primary:hover{background:#4338ca; transform:scale(1.02);}
        .btn-outline{
            background:transparent; border:1.5px solid var(--border-light); padding:12px 28px;
            border-radius:60px; font-weight:600; text-decoration:none; color:var(--text-main);
            display:inline-flex; align-items:center; gap:8px;
        }
        .btn-outline:hover{background:#f1f5fe; border-color:var(--primary-light);}

        /* 智能搜索框 */
        .search-wrapper{max-width:650px; margin:0 auto 2rem; position:relative;}
        .search-wrapper input{
            width:100%; padding:1.2rem 1.5rem 1.2rem 3.5rem; border-radius:80px;
            border:2px solid var(--border-light); background:white; font-size:1.1rem;
            box-shadow:0 8px 20px -8px rgba(0,0,0,0.05); transition:0.2s;
        }
        .search-wrapper input:focus{border-color:var(--primary); outline:none; box-shadow:0 8px 20px -8px rgba(79,70,229,0.2);}
        .search-wrapper i{position:absolute; left:1.5rem; top:50%; transform:translateY(-50%); color:var(--primary); font-size:1.2rem;}

        /* 创意分类标签 */
        .category-tabs{display:flex; flex-wrap:wrap; justify-content:center; gap:12px; margin-bottom:2.5rem;}
        .cat-btn{
            padding:10px 24px; border-radius:60px; border:1px solid var(--border-light);
            background:white; font-weight:600; cursor:pointer; transition:0.15s;
            display:flex; align-items:center; gap:8px;
        }
        .cat-btn i{color:var(--primary);}
        .cat-btn.active{background:var(--primary); color:white; border-color:var(--primary);}
        .cat-btn.active i{color:white;}
        .cat-btn:hover:not(.active){border-color:var(--primary); background:#f8faff;}

        /* FAQ卡片网格 */
        .faq-card-grid{display:grid; gap:20px; margin:2rem 0;}
        .faq-card{
            background:var(--surface); border-radius:var(--radius-lg); border:1px solid var(--border-light);
            overflow:hidden; transition:0.2s;
        }
        .faq-card:hover{border-color:var(--primary-light); box-shadow:var(--shadow-card);}
        .card-header{
            padding:1.5rem 1.8rem; display:flex; align-items:flex-start; gap:16px;
            border-bottom:1px solid #f1f5f9; cursor:pointer;
        }
        .card-header i:first-child{color:var(--primary); font-size:1.4rem; margin-top:3px;}
        .card-header h3{font-size:1.4rem; font-weight:700; flex:1;}
        .card-header .expand-icon{color:var(--primary); transition:0.2s;}
        .reasons-list{padding:1.2rem 1.8rem; background:#fafbff; display:flex; flex-wrap:wrap; gap:16px 32px;}
        .reason-item{display:flex; align-items:center; gap:8px;}
        .reason-item i{color:var(--primary); width:20px;}
        .quick-actions{padding:1rem 1.8rem; display:flex; flex-wrap:wrap; gap:12px; border-bottom:1px solid #f1f5f9;}
        .quick-btn{
            background:#f0f4ff; border:none; padding:8px 18px; border-radius:40px;
            font-weight:500; cursor:pointer; transition:0.15s;
        }
        .quick-btn:hover{background:var(--primary); color:white;}
        .deep-solution{display:none; padding:1.5rem 1.8rem; background:linear-gradient(to bottom, #ffffff, #fafcff);}
        .deep-solution p{margin-bottom:1rem;}
        .related-links{display:flex; flex-wrap:wrap; gap:12px; margin-top:1rem; padding-top:1rem; border-top:1px dashed var(--border-light);}
        .related-links a{color:var(--primary); text-decoration:none; font-size:0.95rem;}
        .related-links a:hover{text-decoration:underline;}

        /* 下载号召区域 */
        .download-cta{
            background:linear-gradient(115deg, #1e1b4b 0%, #312e81 100%);
            border-radius:2.5rem; padding:2.5rem; margin:3rem 0; color:white;
            display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap;
        }

        /* footer */
        .footer{background:#f0f4fe; padding:2.8rem 0; margin-top:3rem; border-top:1px solid #d9e2ef;}
        .footer a{color:#2c5f4a; text-decoration:none;}
        .footer a:hover{color:var(--primary);}

        .no-result{text-align:center; padding:3rem; color:var(--text-muted); display:none;}

        @media (max-width:860px){
            .page-header h1{font-size:2.2rem;}
        }