/* ===== 一起发GEO - 浅蓝科技风·精致版 ===== */

:root {
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --primary-50: rgba(37,99,235,.06);
    --primary-100: rgba(37,99,235,.1);
    --secondary: #0ea5e9;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --orange: #f97316;
    --bg-page: #f0f5ff;
    --bg-white: #ffffff;
    --bg-slate: #f8fafc;
    --border: #e2e8f0;
    --border-light: #cbd5e1;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.04);
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.04);
    --shadow-lg: 0 10px 25px rgba(0,0,0,.08);
    --shadow-xl: 0 20px 50px rgba(0,0,0,.1);
    --shadow-blue: 0 4px 20px rgba(37,99,235,.12);
    --shadow-blue-lg: 0 12px 40px rgba(37,99,235,.15);
    --transition: all .25s cubic-bezier(.4,0,.2,1);
    --max-width: 1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg-page);color:var(--text);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}

/* ===== 导航栏 ===== */
.navbar{background:rgba(255,255,255,.88);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000;padding:0 24px;box-shadow:0 1px 3px rgba(0,0,0,.03)}
.navbar-inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:68px}
.navbar-brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.navbar-brand .icon{font-size:28px}
.navbar-nav{display:flex;align-items:center;gap:2px;list-style:none}
.navbar-nav a{color:var(--text-secondary);padding:8px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;transition:var(--transition)}
.navbar-nav a:hover,.navbar-nav a.active{color:var(--primary);background:var(--primary-50)}
.navbar-actions{display:flex;align-items:center;gap:10px}
.navbar .menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 22px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition);text-decoration:none;line-height:1.4}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 2px 8px rgba(37,99,235,.25)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-blue-lg);color:#fff;opacity:.95}
.btn-outline{background:#fff;border:1.5px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-ghost{background:transparent;color:var(--text-secondary)}
.btn-ghost:hover{background:var(--primary-50);color:var(--primary)}
.btn-sm{padding:6px 14px;font-size:13px}
.btn-lg{padding:12px 28px;font-size:15px}
.btn-xl{padding:16px 36px;font-size:16px;border-radius:var(--radius)}
.btn-block{width:100%;justify-content:center}
.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}

/* ===== 表单 ===== */
.form-group{margin-bottom:16px}
.form-label{display:block;margin-bottom:6px;font-size:13px;color:var(--text-secondary);font-weight:500}
.form-input,.form-textarea,.form-select{width:100%;padding:10px 14px;background:#fff;border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;font-family:inherit;transition:var(--transition)}
.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.08)}
.form-textarea{min-height:120px;resize:vertical}
.form-select{cursor:pointer}

/* ===== 卡片 ===== */
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:var(--transition);box-shadow:var(--shadow)}
.card:hover{box-shadow:var(--shadow-md)}

/* ===== 网格 ===== */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ===== Hero ===== */
.hero{position:relative;padding:100px 0 80px;text-align:center;overflow:hidden;background:linear-gradient(180deg,#eef4ff 0%,#f0f5ff 40%,var(--bg-page) 100%)}
.hero-bg-shapes{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-shape{position:absolute;border-radius:50%;opacity:.4}
.shape-1{width:500px;height:500px;background:radial-gradient(circle,rgba(37,99,235,.08),transparent 70%);top:-150px;right:-100px}
.shape-2{width:400px;height:400px;background:radial-gradient(circle,rgba(6,182,212,.06),transparent 70%);bottom:-100px;left:-80px}
.shape-3{width:300px;height:300px;background:radial-gradient(circle,rgba(37,99,235,.05),transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%)}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;background:#fff;border:1px solid rgba(37,99,235,.12);border-radius:24px;font-size:13px;color:var(--primary);font-weight:600;margin-bottom:28px;box-shadow:var(--shadow-sm)}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:56px;font-weight:800;line-height:1.15;margin-bottom:20px;letter-spacing:-.02em}
.hero h1 .hero-highlight{background:linear-gradient(135deg,var(--primary),var(--secondary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:18px;color:var(--text-secondary);max-width:560px;margin:0 auto 36px;line-height:1.7}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.hero-actions .arrow{transition:transform .2s}
.hero-actions a:hover .arrow{transform:translateX(3px)}

/* Hero搜索卡片 */
.hero-search-card{max-width:720px;margin:0 auto;background:#fff;border:2px solid rgba(37,99,235,.08);border-radius:var(--radius-xl);padding:36px;box-shadow:var(--shadow-lg);position:relative;z-index:1}
.hero-search-header{display:flex;align-items:center;gap:14px;margin-bottom:20px;text-align:left}
.hero-search-icon{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--primary-100),rgba(6,182,212,.1));display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.hero-search-header h3{font-size:18px;margin-bottom:2px}
.hero-search-header p{font-size:13px;color:var(--text-secondary);margin:0}
.hero-search-form{margin-bottom:16px}
.hero-search-row{display:flex;gap:10px}
.hero-search-row input{flex:1;padding:12px 16px;font-size:15px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-slate);color:var(--text);transition:var(--transition)}
.hero-search-row input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.06)}
.hero-search-row input:last-of-type{flex:0 0 180px;min-width:140px}
.hero-search-row button{flex-shrink:0;padding:12px 28px;font-size:15px;font-weight:600;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);white-space:nowrap}
.hero-search-row button:hover{background:var(--primary-dark);box-shadow:0 4px 12px rgba(37,99,235,.3)}
.hero-search-tags{display:flex;gap:8px;flex-wrap:wrap}
.hero-search-tags span{padding:4px 12px;border-radius:20px;font-size:12px;background:var(--primary-50);color:var(--primary);font-weight:500;border:1px solid rgba(37,99,235,.08)}
.check-result-box{max-width:720px;margin:16px auto 0;text-align:left}

/* ===== 统计 ===== */
.stats-section{padding:0 0 80px;position:relative;z-index:1}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:var(--transition);box-shadow:var(--shadow)}
.stat-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.stat-icon{font-size:28px;margin-bottom:12px}
.stat-num{font-size:38px;font-weight:800;color:var(--primary);margin-bottom:4px;letter-spacing:-.02em}
.stat-unit{font-size:20px;font-weight:600;color:var(--text-secondary)}
.stat-label{font-size:14px;color:var(--text-secondary);font-weight:500}

/* ===== Section标题 ===== */
.section-header{text-align:center;margin-bottom:48px}
.section-tag{display:inline-block;padding:5px 16px;background:var(--primary-50);color:var(--primary);border-radius:20px;font-size:13px;font-weight:600;margin-bottom:16px;border:1px solid rgba(37,99,235,.08)}
.section-header h2{font-size:36px;font-weight:700;margin-bottom:10px;letter-spacing:-.01em}
.section-header p{font-size:16px;color:var(--text-secondary);max-width:500px;margin:0 auto}

/* ===== 功能卡片 ===== */
.features-section{padding:80px 0}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;position:relative;transition:var(--transition);display:block;text-decoration:none;color:inherit;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--primary),transparent);opacity:0;transition:opacity .3s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature-card:hover::before{opacity:1}
.fc-icon-wrap{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.fc-blue{background:rgba(37,99,235,.08);color:var(--primary)}
.fc-cyan{background:rgba(6,182,212,.08);color:var(--accent)}
.fc-green{background:rgba(16,185,129,.08);color:var(--success)}
.fc-purple{background:rgba(139,92,246,.08);color:#7c3aed}
.fc-orange{background:rgba(249,115,22,.08);color:var(--orange)}
.fc-red{background:rgba(239,68,68,.08);color:var(--danger)}
.feature-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:16px}
.fc-tag{position:absolute;top:16px;right:16px;padding:4px 10px;border-radius:12px;font-size:11px;font-weight:600}
.fc-hot{background:rgba(239,68,68,.08);color:#dc2626}
.fc-pro{background:var(--primary-100);color:var(--primary)}
.fc-free{background:rgba(16,185,129,.08);color:#059669}
.fc-arrow{font-size:13px;font-weight:600;color:var(--primary);transition:var(--transition)}
.feature-card:hover .fc-arrow{letter-spacing:.5px}

/* ===== 工作流程 ===== */
.workflow-section{padding:80px 0;background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.workflow-grid{display:flex;align-items:flex-start;justify-content:center;gap:0;max-width:900px;margin:0 auto}
.workflow-step{flex:1;text-align:center;padding:0 16px;position:relative}
.wf-number{font-size:12px;font-weight:700;color:var(--primary);background:var(--primary-50);width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px}
.wf-icon{font-size:32px;margin-bottom:12px}
.workflow-step h4{font-size:16px;font-weight:600;margin-bottom:6px}
.workflow-step p{font-size:13px;color:var(--text-secondary);line-height:1.5}
.workflow-connector{display:flex;align-items:center;padding-top:44px;color:var(--text-muted);font-size:18px;flex-shrink:0}

/* ===== 套餐 ===== */
.pricing-section{padding:80px 0}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:960px;margin:0 auto}
.pricing-card{background:#fff;border:2px solid var(--border);border-radius:var(--radius-xl);padding:36px 28px;text-align:center;transition:var(--transition);position:relative}
.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.pricing-card.highlight{border-color:var(--primary);box-shadow:var(--shadow-blue-lg);transform:scale(1.03)}
.pricing-card.highlight:hover{transform:scale(1.03) translateY(-4px)}
.pricing-ribbon{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:6px 24px;border-radius:20px;font-size:13px;font-weight:600;white-space:nowrap;box-shadow:0 4px 12px rgba(37,99,235,.3)}
.pricing-header{margin-bottom:20px}
.pricing-icon{font-size:32px;margin-bottom:10px}
.pricing-name{font-size:22px;font-weight:700;margin-bottom:6px}
.pricing-desc{font-size:13px;color:var(--text-secondary)}
.pricing-price{margin-bottom:8px}
.price-free{font-size:44px;font-weight:800;color:var(--success)}
.price-amount{font-size:48px;font-weight:800;color:var(--primary);line-height:1}
.price-unit{font-size:24px;vertical-align:top;margin-right:2px}
.price-period{font-size:15px;color:var(--text-muted)}
.pricing-year{font-size:12px;color:var(--text-muted);margin-bottom:20px;padding:4px 12px;background:var(--bg-slate);border-radius:12px;display:inline-block}
.pricing-features{list-style:none;text-align:left;margin:24px 0}
.pricing-features li{display:flex;align-items:center;gap:10px;padding:10px 0;font-size:14px;color:var(--text-secondary);border-bottom:1px solid var(--border)}
.pricing-features li.disabled{color:var(--text-muted)}
.pf-check{color:var(--success);font-weight:700;font-size:13px;min-width:20px}
.pf-cross{color:var(--text-muted);font-size:13px;min-width:20px}
.pricing-features strong{color:var(--text);margin:0 2px}

/* ===== 知识库卡片 ===== */
.knowledge-section{padding:80px 0}
.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.knowledge-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:var(--transition);display:block;text-decoration:none;color:inherit;box-shadow:var(--shadow)}
.knowledge-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--primary)}
.kc-category{display:inline-block;padding:3px 10px;background:var(--primary-50);color:var(--primary);border-radius:10px;font-size:12px;font-weight:600;margin-bottom:12px}
.knowledge-card h3{font-size:16px;font-weight:600;margin-bottom:8px;line-height:1.5}
.knowledge-card p{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kc-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-muted)}
.kc-arrow{color:var(--primary);font-weight:600;opacity:0;transition:var(--transition)}
.knowledge-card:hover .kc-arrow{opacity:1}

/* ===== 资讯卡片 ===== */
.news-section{padding:80px 0;background:linear-gradient(180deg,transparent,rgba(37,99,235,.02),transparent)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:900px;margin:0 auto}
.news-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:var(--transition);display:block;text-decoration:none;color:inherit;box-shadow:var(--shadow)}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--primary)}
.nc-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.nc-tag{display:inline-block;padding:3px 10px;background:rgba(139,92,246,.06);color:#7c3aed;border-radius:10px;font-size:11px;font-weight:600}
.nc-time{font-size:12px;color:var(--text-muted)}
.news-card h3{font-size:17px;font-weight:600;margin-bottom:8px;line-height:1.5}
.news-card p{font-size:14px;color:var(--text-secondary);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ===== CTA ===== */
.cta-section{padding:80px 0 100px}
.cta-card{background:linear-gradient(135deg,var(--primary),#1e40af);border-radius:var(--radius-xl);padding:60px 40px;text-align:center;color:#fff;box-shadow:var(--shadow-blue-lg);position:relative;overflow:hidden}
.cta-card::before{content:'';position:absolute;width:300px;height:300px;background:rgba(255,255,255,.05);border-radius:50%;top:-100px;right:-50px}
.cta-card::after{content:'';position:absolute;width:200px;height:200px;background:rgba(255,255,255,.04);border-radius:50%;bottom:-80px;left:-40px}
.cta-card>*{position:relative;z-index:1}
.cta-card h2{font-size:36px;font-weight:700;margin-bottom:12px;letter-spacing:-.01em}
.cta-card p{font-size:17px;opacity:.9;margin-bottom:32px}
.cta-card .btn-primary{background:#fff;color:var(--primary);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.cta-card .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.2);opacity:1}
.cta-trust{display:flex;gap:28px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.cta-trust span{font-size:13px;opacity:.75}

/* ===== 页脚 ===== */
.footer{background:#fff;border-top:1px solid var(--border);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footer h4{font-size:13px;color:var(--text-muted);margin-bottom:14px;text-transform:uppercase;letter-spacing:.5px}
.footer a{display:block;color:var(--text-secondary);font-size:13px;padding:5px 0;transition:var(--transition)}
.footer a:hover{color:var(--primary)}
.footer-brand{font-size:20px;font-weight:700;margin-bottom:8px;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.footer-desc{color:var(--text-secondary);font-size:13px;line-height:1.8;max-width:280px}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid var(--border);color:var(--text-muted);font-size:12px}

/* ===== 消息 ===== */
.alert{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:14px}
.alert-success{color:#059669;border:1px solid rgba(16,185,129,.15);background:rgba(16,185,129,.04)}
.alert-error{color:#dc2626;border:1px solid rgba(239,68,68,.15);background:rgba(239,68,68,.04)}
.alert-warning{color:#d97706;border:1px solid rgba(245,158,11,.15);background:rgba(245,158,11,.04)}
.alert-info{color:#0ea5e9;border:1px solid rgba(14,165,233,.15);background:rgba(14,165,233,.04)}

/* ===== 页面标题 ===== */
.page-header{padding:48px 0;text-align:center;background:linear-gradient(180deg,rgba(37,99,235,.03),transparent)}
.page-header h1{font-size:32px;font-weight:700;margin-bottom:8px}
.page-header p{font-size:16px;color:var(--text-secondary)}

/* ===== 文章列表 ===== */
.article-list{display:flex;flex-direction:column;gap:16px}
.article-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;transition:var(--transition);box-shadow:var(--shadow)}
.article-item:hover{border-color:var(--primary);box-shadow:var(--shadow-md)}
.article-item h3{font-size:18px;margin-bottom:8px;color:var(--text)}
.article-item .summary{color:var(--text-secondary);font-size:14px;margin-top:8px;line-height:1.6}
.article-content{padding:20px 0;line-height:1.9}
.article-content h2{font-size:22px;margin:24px 0 12px}
.article-content h3{font-size:18px;margin:20px 0 10px}
.article-content p{margin-bottom:12px}
.article-content ul,.article-content ol{margin:8px 0 16px 20px}

/* ===== 标签 ===== */
.badge{display:inline-block;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600}
.badge-blue{background:var(--primary-100);color:var(--primary)}
.badge-green{background:rgba(16,185,129,.1);color:#059669}
.badge-red{background:rgba(239,68,68,.1);color:#dc2626}
.badge-yellow{background:rgba(245,158,11,.1);color:#d97706}
.badge-purple{background:rgba(139,92,246,.1);color:#7c3aed}

/* ===== 用户菜单 ===== */
.user-menu{position:relative}
.user-menu-toggle{display:flex;align-items:center;gap:8px;cursor:pointer;padding:6px 12px;border-radius:var(--radius-sm);background:transparent;border:none;color:var(--text);font-size:14px}
.user-menu-toggle:hover{background:var(--primary-50)}
.user-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff}
.user-dropdown{position:absolute;right:0;top:100%;margin-top:8px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);min-width:180px;box-shadow:var(--shadow-lg);overflow:hidden;display:none;z-index:100}
.user-dropdown.show{display:block}
.user-dropdown a{display:block;padding:10px 16px;font-size:13px;color:var(--text-secondary)}
.user-dropdown a:hover{background:var(--primary-50);color:var(--primary)}
.user-dropdown .divider{border-top:1px solid var(--border)}

/* ===== 数据面板 ===== */
.dashboard-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}
.stat-mini{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:20px}
.stat-mini-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;text-align:center;box-shadow:var(--shadow);transition:var(--transition)}
.stat-mini-card:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.stat-mini-value{font-size:26px;font-weight:700;color:var(--primary)}
.stat-mini-label{font-size:12px;color:var(--text-muted);margin-top:4px}

/* ===== Tab ===== */
.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:20px}
.tab{padding:10px 20px;font-size:14px;font-weight:500;color:var(--text-muted);cursor:pointer;border:none;background:none;border-bottom:2px solid transparent;margin-bottom:-2px;transition:var(--transition)}
.tab:hover{color:var(--text)}
.tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-btns{display:flex;margin-bottom:20px;border-bottom:2px solid var(--border)}
.tab-btn{padding:8px 20px;border:none;background:none;color:var(--text-secondary);cursor:pointer;font-size:14px;border-bottom:2px solid transparent;margin-bottom:-2px}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}

/* ===== 表格 ===== */
.table-wrap{overflow-x:auto;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;padding:12px 16px;background:var(--bg-slate);color:var(--text-muted);font-weight:600;font-size:12px;text-transform:uppercase;border-bottom:1px solid var(--border)}
td{padding:12px 16px;border-bottom:1px solid var(--border)}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--primary-50)}

/* ===== 结果面板 ===== */
.result-panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}
.score-circle{width:100px;height:100px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:800;margin:0 auto 16px;border:3px solid;background:#fff}
.score-high{border-color:var(--success);color:var(--success)}
.score-mid{border-color:var(--warning);color:var(--warning)}
.score-low{border-color:var(--danger);color:var(--danger)}
.platform-results{display:grid;gap:16px;margin-top:20px}
.platform-result{background:var(--bg-slate);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.badge-mentioned{background:rgba(16,185,129,.1);color:#059669}
.badge-not-mentioned{background:rgba(239,68,68,.1);color:#dc2626}

/* ===== 进度条 ===== */
.progress-bar{height:8px;background:var(--border);border-radius:4px;overflow:hidden}
.progress-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .6s ease}

/* ===== Admin布局 ===== */
.admin-layout{display:flex;min-height:calc(100vh - 68px)}
.admin-sidebar{width:220px;background:#fff;border-right:1px solid var(--border);padding:16px 0}
.admin-sidebar a{display:block;padding:10px 20px;font-size:14px;color:var(--text-secondary);text-decoration:none;border-left:3px solid transparent;transition:var(--transition)}
.admin-sidebar a:hover,.admin-sidebar a.active{color:var(--primary);background:var(--primary-50);border-left-color:var(--primary)}
.admin-main{flex:1;padding:28px;min-width:0;overflow-x:auto;background:var(--bg-slate)}

/* ===== 分类导航 ===== */
.category-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.category-nav a{padding:6px 16px;border-radius:20px;font-size:13px;font-weight:500;color:var(--text-secondary);background:#fff;border:1px solid var(--border);transition:var(--transition)}
.category-nav a:hover{border-color:var(--primary);color:var(--primary)}
.category-nav a.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ===== 分页/空状态 ===== */
.pagination{display:flex;gap:4px;justify-content:center;margin-top:24px}
.pagination a,.pagination span{padding:8px 14px;border-radius:var(--radius-sm);font-size:13px;background:#fff;border:1px solid var(--border);color:var(--text-secondary)}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination .active{background:var(--primary);color:#fff;border-color:var(--primary)}
.empty-state{text-align:center;padding:60px 20px}
.empty-state .icon{font-size:48px;margin-bottom:16px;opacity:.5}
.empty-state h3{font-size:18px;color:var(--text-secondary);margin-bottom:8px}
.empty-state p{color:var(--text-muted);font-size:14px}

/* ===== 加载动画 ===== */
.loading{display:inline-block;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-overlay{position:fixed;inset:0;background:rgba(255,255,255,.7);display:flex;align-items:center;justify-content:center;z-index:9999}
.loading-spinner{width:48px;height:48px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}

/* ===== 面包屑 ===== */
.breadcrumb{padding:16px 0;font-size:13px;color:var(--text-muted)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{color:var(--text-secondary)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
    .grid-4,.features-grid{grid-template-columns:repeat(2,1fr)}
    .dashboard-grid{grid-template-columns:1fr}
    .stat-mini{grid-template-columns:repeat(3,1fr)}
    .workflow-grid{flex-wrap:wrap}
    .workflow-connector{display:none}
    .workflow-step{flex:1 1 45%;margin-bottom:24px}
}
@media (max-width:768px){
    .grid-2,.grid-3,.features-grid,.knowledge-grid,.news-grid{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .pricing-grid{grid-template-columns:1fr;max-width:380px}
    .pricing-card.highlight{transform:none}
    .pricing-card.highlight:hover{transform:translateY(-4px)}
    .hero h1{font-size:34px}
    .hero-desc{font-size:16px}
    .hero-search-row{flex-direction:column}
    .hero-search-row input:last-of-type{flex:1}
    .hero-search-card{padding:24px}
    .section-header h2{font-size:26px}
    .navbar-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg)}
    .navbar-nav.show{display:flex}
    .navbar .menu-toggle{display:block}
    .footer-grid{grid-template-columns:1fr 1fr}
    .stat-mini{grid-template-columns:repeat(2,1fr)}
    .cta-card{padding:40px 24px}
}