/* ============================================================
   企业AI曝光检测 v0.6 — 移动端优先样式
   ============================================================ */

/* --- 基础重置 --- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    background:#1E2024;color:#E8EAED;line-height:1.6;min-height:100vh;
    -webkit-tap-highlight-color:transparent;
    padding-bottom:env(safe-area-inset-bottom,20px);
}
.container{max-width:480px;margin:0 auto;padding:0 16px}

/* ============================================================
   启动页 Splash
   ============================================================ */
.splash-screen{
    position:fixed;top:0;left:0;right:0;bottom:0;z-index:9999;
    background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);
    display:flex;align-items:center;justify-content:center;
    flex-direction:column;transition:opacity .4s ease,visibility .4s ease;
}
.splash-screen.hide{opacity:0;visibility:hidden;pointer-events:none}
.splash-logo{font-size:3rem;margin-bottom:16px;animation:splashBounce .6s ease}
.splash-title{font-size:1.4rem;font-weight:700;color:#fff;margin-bottom:8px;letter-spacing:1px}
.splash-sub{font-size:.9rem;color:rgba(255,255,255,.6)}
.splash-loader{margin-top:32px;width:40px;height:40px;border:3px solid rgba(255,255,255,.2);border-top-color:#3498db;border-radius:50%;animation:spin .8s linear infinite}
@keyframes splashBounce{0%{transform:scale(0);opacity:0}60%{transform:scale(1.15)}100%{transform:scale(1);opacity:1}}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============================================================
   Header / Hero
   ============================================================ */
.hero{padding:40px 0 8px;text-align:center}
.hero .hero-icon{font-size:2.5rem;margin-bottom:8px}
.hero-title{font-size:1.5rem;font-weight:800;color:#1a1a2e;line-height:1.4;margin-bottom:6px}
.hero-subtitle{font-size:.9rem;color:#888}

/* ============================================================
   诊断表单
   ============================================================ */
.diagnosis-form{background:#fff;border-radius:16px;padding:24px 20px;box-shadow:0 2px 16px rgba(0,0,0,.06);margin-bottom:20px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-weight:600;font-size:.9rem;color:#444;margin-bottom:8px}
.form-label{display:flex;align-items:center;gap:6px;font-weight:600;font-size:.9rem;color:#444;margin-bottom:8px}
.required{color:#e74c3c}.optional{color:#aaa;font-weight:400;font-size:.8rem}

.form-group input[type="text"],
.form-group input[type="tel"]{
    width:100%;padding:14px 16px;border:2px solid #e0e0e0;border-radius:12px;
    font-size:1rem;outline:none;transition:border-color .2s,box-shadow .2s;
    -webkit-appearance:none;background:#fafbfc;
}
.form-group input:focus{
    border-color:#3498db;box-shadow:0 0 0 3px rgba(52,152,219,.12);background:#fff;
}

/* 业务范围选择 */
.scope-options{display:flex;flex-direction:column;gap:8px}
.scope-option{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border:2px solid #e8e8e8;border-radius:12px;cursor:pointer;transition:all .15s;-webkit-tap-highlight-color:transparent;user-select:none}
.scope-option:active{border-color:#3498db}
.scope-option input[type="radio"]{margin-top:3px;accent-color:#3498db;width:18px;height:18px;flex-shrink:0}
.scope-text{display:flex;flex-direction:column;gap:2px}
.scope-text strong{font-size:.9rem;color:#333;font-weight:600}
.scope-text small{font-size:.75rem;color:#999}
.scope-option:has(input:checked){border-color:#3498db;background:#f0f7ff}
.scope-option:has(input:checked) .scope-text strong{color:#2980b9}

/* 选填标签 */
.optional-tag{display:inline-block;padding:2px 8px;background:#fff3cd;color:#856404;border-radius:6px;font-size:.72rem;font-weight:500}

/* 表单提示 */
.form-hint{margin-top:6px;font-size:.78rem;color:#999;line-height:1.4}
.form-input{width:100%;padding:14px 16px;border:2px solid #e0e0e0;border-radius:12px;font-size:1rem;outline:none;transition:border-color .2s,box-shadow .2s;-webkit-appearance:none;background:#fafbfc}
.form-input:focus{border-color:#3498db;box-shadow:0 0 0 3px rgba(52,152,219,.12);background:#fff}

/* 按钮 */
.btn-primary{
    width:100%;padding:16px;background:linear-gradient(135deg,#3498db,#2980b9);
    color:#fff;border:none;border-radius:14px;font-size:1.1rem;font-weight:700;
    cursor:pointer;transition:transform .1s,opacity .2s,box-shadow .2s;
    box-shadow:0 4px 14px rgba(52,152,219,.3);
    -webkit-tap-highlight-color:transparent;min-height:50px;
}
.btn-primary:hover{opacity:.92}
.btn-primary:active{transform:scale(.97)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

.btn-secondary{
    padding:14px 28px;background:#fff;color:#3498db;border:2px solid #3498db;
    border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;
    transition:all .2s;-webkit-tap-highlight-color:transparent;min-height:48px;
}
.btn-secondary:hover{background:#f0f7ff}
.btn-secondary:active{transform:scale(.97)}

.btn-unlock{
    padding:14px 32px;background:linear-gradient(135deg,#f39c12,#e67e22);
    color:#fff;border:none;border-radius:14px;font-size:1rem;font-weight:700;
    cursor:pointer;transition:transform .1s;box-shadow:0 4px 14px rgba(243,156,18,.3);
    -webkit-tap-highlight-color:transparent;min-height:50px;
}
.btn-unlock:active{transform:scale(.97)}

/* ============================================================
   检测进度（4步骤）
   ============================================================ */
.diagnosis-progress{padding:30px 0;text-align:center}
.loading-icon{font-size:2.5rem;margin-bottom:10px}
.progress-title{font-size:1.1rem;color:#333;margin-bottom:20px}
.progress-bar-container{width:100%;max-width:360px;height:8px;background:#f0f0f0;border-radius:4px;overflow:hidden;margin:0 auto 10px}
.progress-bar{height:100%;background:linear-gradient(90deg,#4A90E2,#67B8F7);border-radius:4px;transition:width .3s ease}
.progress-text{text-align:center;color:#666;font-size:14px;margin-bottom:20px}
.steps-list{text-align:left;max-width:300px;margin:0 auto}
.step-item{padding:8px 0;opacity:.4;font-size:14px;display:flex;align-items:center;gap:8px;transition:all .3s}
.step-item.active{opacity:1;font-weight:500}
.step-item.done{opacity:.8}
.step-item .step-icon{margin-right:4px;min-width:20px}
.progress-trust{text-align:center;color:#bbb;font-size:.78rem;margin-top:20px}

/* ============================================================
   首页下方内容（下滑可见）
   ============================================================ */
.below-fold{padding:0 0 30px}
.info-section{margin-bottom:24px}
.info-section h3{font-size:1.05rem;color:#1a1a2e;margin-bottom:12px;font-weight:700}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feature-card{background:#fff;border-radius:12px;padding:20px 16px;box-shadow:0 1px 6px rgba(0,0,0,.04);text-align:center}
.feature-card .fc-icon{font-size:1.8rem;margin-bottom:8px}
.feature-card .fc-title{font-weight:700;font-size:.88rem;color:#333;margin-bottom:4px}
.feature-card .fc-desc{font-size:.78rem;color:#999;line-height:1.5}
.dim-list{display:flex;flex-direction:column;gap:10px}
.dim-item{padding:12px 16px;background:#fff;border-radius:10px;box-shadow:0 1px 4px rgba(0,0,0,.04);display:flex;justify-content:space-between;align-items:center;font-size:.9rem}
.dim-item .dim-label{font-weight:600;color:#333}
.dim-item .dim-val{color:#3498db;font-weight:700}
.faq-item{margin-bottom:12px}
.faq-q{font-weight:600;font-size:.9rem;color:#333;margin-bottom:4px}
.faq-a{font-size:.85rem;color:#777;line-height:1.6}
.privacy-note{text-align:center;color:#bbb;font-size:.8rem;padding:10px 0}

/* ============================================================
   结果页
   ============================================================ */
.result-header{padding:12px 0}.result-header h1{font-size:1.2rem}

/* 骨架屏 */
.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e8e8e8 37%,#f0f0f0 63%);background-size:400% 100%;animation:skeleton-shimmer 1.4s ease infinite;border-radius:8px}
@keyframes skeleton-shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}
.skeleton-card{height:180px;margin-bottom:20px;border-radius:14px}
.skeleton-row{height:60px;margin-bottom:12px;border-radius:12px}
.skeleton-text{height:16px;margin-bottom:8px;width:80%}
.skeleton-text.short{width:50%}

/* 淡入动画 */
.fade-in{animation:fadeIn .4s ease both}
@keyframes fadeIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.delay-1{animation-delay:.1s}.delay-2{animation-delay:.2s}.delay-3{animation-delay:.3s}.delay-4{animation-delay:.4s}

/* 分数卡片 */
.score-card{
    background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff;text-align:center;
    padding:28px 20px;border-radius:16px;margin-bottom:16px;position:relative;overflow:hidden;
}
.score-card::before{
    content:'';position:absolute;top:-40px;right:-40px;width:120px;height:120px;
    background:rgba(255,255,255,.03);border-radius:50%;
}
.score-ring{position:relative;width:120px;height:120px;margin:0 auto 12px}
.score-ring svg{transform:rotate(-90deg)}
.score-ring-value{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:2.5rem;font-weight:800}
.score-label{font-size:.82rem;color:rgba(255,255,255,.7);text-transform:uppercase;letter-spacing:2px;margin-bottom:4px}
.score-tier{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.score-tier-bar{height:6px;background:rgba(255,255,255,.2);border-radius:3px;margin:8px auto;max-width:240px;overflow:hidden}
.score-tier-fill{height:100%;background:rgba(255,255,255,.8);border-radius:3px;transition:width .8s ease}
.score-stats{margin-top:14px;padding-top:12px;border-top:1px solid rgba(255,255,255,.12)}
.score-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.ss-item{text-align:center}.ss-value{font-size:1rem;font-weight:700}.ss-label{font-size:.7rem;color:rgba(255,255,255,.6);margin-top:2px}
.score-time{font-size:.78rem;color:rgba(255,255,255,.5);margin-top:10px}

/* 通用section卡片 */
.section{background:#fff;border-radius:14px;padding:20px;box-shadow:0 1px 8px rgba(0,0,0,.04);margin-bottom:16px}
.section h2{font-size:1.05rem;color:#1a1a2e;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid #f0f0f0}
.section-hint{font-size:.82rem;color:#999;text-align:center;margin-bottom:12px}
.ai-tag{display:inline-block;font-size:.68rem;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);padding:2px 8px;border-radius:10px;vertical-align:middle;margin-left:6px;font-weight:500}
/* ============================================================
   AI总结语模块
   ============================================================ */
.ai-summary-section{background:linear-gradient(135deg,#e8f4fd,#f0f7ff);border:1px solid #bee5eb;border-left:4px solid #3498db}
.ai-summary-section.ai-generated{background:linear-gradient(135deg,#e8f4fd,#e3f2fd)}
.ai-summary-section.ai-fallback{background:linear-gradient(135deg,#f5f5f5,#fafafa);border-left-color:#bbb}
.ai-badge{display:inline-block;padding:3px 12px;background:#3498db;color:#fff;border-radius:12px;font-size:.75rem;font-weight:600;margin-bottom:10px}
.ai-badge-mini{display:inline-block;padding:2px 8px;background:#e8f4fd;color:#3498db;border-radius:10px;font-size:.72rem;font-weight:600;margin-bottom:8px;border:1px solid #bee5eb}
.ai-summary-text{font-size:.92rem;color:#2c3e50;line-height:1.7;margin:0}

/* ============================================================
   平台卡片网格
   ============================================================ */
.platform-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:10px}
.platform-card{background:#f8f9fa;border-radius:12px;padding:14px 10px;text-align:center;transition:transform .15s,box-shadow .15s}
.platform-card:active{transform:scale(.96)}
.pc-icon{font-size:1.5rem;margin-bottom:4px}
.pc-name{font-weight:600;font-size:.82rem;color:#333;margin-bottom:6px}
.pc-level{display:inline-block;padding:3px 10px;border-radius:10px;font-size:.72rem;font-weight:600;margin-bottom:4px}
.pc-level.green{background:#d4edda;color:#155724}
.pc-level.yellow{background:#fff3cd;color:#856404}
.pc-level.red{background:#fce4ec;color:#c62828}
.pc-level.gray{background:#eee;color:#999}
.pc-rank{font-size:.7rem;color:#888;margin-top:4px}
.pc-count{font-size:.75rem;color:#888}

/* v0.7 四层级维度概览 */
.dimension-summary{margin-bottom:8px}
.ds-row{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-size:.8rem}
.ds-name{width:80px;text-align:right;color:#555;font-weight:600;flex-shrink:0}
.ds-bar-bg{flex:1;height:10px;background:#e5e7eb;border-radius:5px;overflow:hidden}
.ds-bar-fill{height:100%;border-radius:5px;transition:width .6s ease}
.ds-score{width:48px;text-align:right;color:#888;font-size:.78rem;flex-shrink:0}

/* ============================================================
   迷你分数卡（百科/垂直/权威）
   ============================================================ */
.score-mini-card{background:#f8f9fa;border:1px solid #e8e8e8;border-radius:12px;padding:16px;text-align:center}
.score-mini-main{display:flex;align-items:baseline;justify-content:center;gap:4px;margin-bottom:6px}
.score-mini-number{font-size:1.6rem;font-weight:800;color:#3498db}
.score-mini-unit{font-size:.85rem;color:#999}
.score-mini-desc{font-size:.82rem;color:#666}
.locked-hint{text-align:center;padding:12px;color:#bbb;font-size:.85rem;background:#fafafa;border-radius:8px;margin-top:10px}
.compare-mini-hint{margin-top:10px;padding:10px 14px;background:#f0f4f8;border-radius:8px}
.compare-mini-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;font-size:.82rem}
.compare-mini-you{font-weight:700;color:#3498db}
.compare-mini-comp{color:#666}

/* ============================================================
   对标对比表
   ============================================================ */
.compare-header{display:flex;gap:6px;margin-bottom:12px}
.compare-party{flex:1;text-align:center;font-weight:700;font-size:.8rem;color:#555;padding:8px 4px;background:#f0f0f0;border-radius:8px}
.compare-party.you{background:#d1ecf1;color:#0c5460}
.compare-row{display:flex;gap:6px;align-items:center;padding:8px 0;border-bottom:1px solid #f5f5f5}
.compare-label{width:80px;font-weight:600;font-size:.8rem;color:#444;flex-shrink:0}
.compare-value{flex:1;text-align:center;font-weight:600;padding:6px 4px;border-radius:6px;font-size:.8rem}
.compare-value.you{background:#d1ecf1}
.compare-value.ahead{color:#27ae60}
.compare-value.behind{color:#e74c3c}
.compare-value.close{color:#f39c12}
.compare-you-cell{background:#d1ecf1;font-weight:700}
.gap-ahead{color:#27ae60;font-weight:700}
.gap-behind{color:#e74c3c;font-weight:700}
.gap-close{color:#f39c12;font-weight:600}

/* ============================================================
   对标选择理由
   ============================================================ */
.competitor-reasons{background:#f0f7ff;border:1px solid #d0e8f7;border-radius:10px;padding:12px 14px;margin-bottom:14px}
.reason-item{display:flex;align-items:flex-start;gap:8px;padding:6px 0;border-bottom:1px solid #e0eef8}
.reason-item:last-child{border-bottom:none}
.reason-name{font-weight:700;color:#3498db;font-size:.85rem;white-space:nowrap;min-width:60px}
.reason-text{font-size:.8rem;color:#666;line-height:1.5}

/* ============================================================
   问题/建议卡片
   ============================================================ */
.issue-item{padding:12px 14px;background:#fff8e1;border-left:4px solid #f39c12;border-radius:6px;margin-bottom:10px}
.issue-title{font-weight:700;color:#333;margin-bottom:4px;font-size:.88rem}
.issue-desc{font-size:.82rem;color:#666;line-height:1.5}
.no-issues{color:#27ae60;font-weight:600;text-align:center;padding:10px;font-size:.9rem}

.advice-card{background:#fff;border:1px solid #e8e8e8;border-radius:12px;padding:14px;margin-bottom:12px}
.advice-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.advice-priority{padding:3px 10px;border-radius:6px;color:#fff;font-size:.72rem;font-weight:700;white-space:nowrap}
.advice-title{font-weight:700;font-size:.9rem;color:#333}
.advice-body{font-size:.84rem;color:#555;line-height:1.6}
.advice-why,.advice-how,.advice-effect{margin-bottom:6px}
.advice-how{white-space:pre-line;background:#f8f9fa;padding:10px 12px;border-radius:8px;font-size:.82rem}
.advice-body p{margin-bottom:6px}

.benchmark-card{background:#f8f9fa;border-radius:10px;padding:14px;margin-bottom:10px;border-left:4px solid #3498db}
.bm-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;flex-wrap:wrap}
.bm-name{font-weight:700;font-size:.9rem;color:#333}
.bm-score{font-weight:600;color:#3498db;font-size:.85rem}
.bm-tactic{color:#666;font-size:.82rem;margin-bottom:4px}
.bm-platforms{color:#555;font-size:.82rem}

/* ============================================================
   AI平台偏好分析 v0.6
   ============================================================ */
.bias-card{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:12px 14px;background:#fafafa;border:1px solid #f0f0f0;
    border-radius:10px;margin-bottom:8px;
}
.bias-card-left{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.bias-card-emoji{font-size:1.4rem;flex-shrink:0}
.bias-card-info{display:flex;flex-direction:column;min-width:0}
.bias-card-name{font-weight:700;font-size:.88rem;color:#333}
.bias-card-focus{font-size:.76rem;color:#999;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bias-card-tag{
    display:inline-block;padding:4px 12px;border-radius:20px;
    font-size:.76rem;font-weight:700;white-space:nowrap;flex-shrink:0;
}
.bias-priorities-box{
    margin-top:16px;padding:14px 16px;background:#f0f4ff;
    border-radius:10px;border-left:4px solid #3498db;
}
.bias-priorities-box h4{margin:0 0 10px;font-size:.9rem;color:#1a1a2e}
.bias-priorities-box ol{margin:0;padding-left:20px}
.bias-priorities-box li{font-size:.84rem;color:#555;margin-bottom:8px;line-height:1.5}
.bias-cta{
    margin-top:16px;padding:12px 14px;background:#fafafa;
    border-radius:10px;border:1px solid #e8e8e8;
}
.bias-cta p{font-size:.82rem;color:#666;margin-bottom:4px}
.bias-cta-link{color:#3498db;font-size:.82rem}

/* ============================================================
   获客词表格
   ============================================================ */
.acq-table{width:100%;border-collapse:collapse;font-size:.84rem}
.acq-table th{background:#f0f4f8;font-weight:600;color:#555;padding:8px 10px;border-bottom:2px solid #e0e0e0;white-space:nowrap}
.acq-table td{padding:8px 10px;border-bottom:1px solid #f0f0f0}
.heat-badge{display:inline-block;padding:2px 10px;border-radius:10px;font-size:.72rem;font-weight:700}
.heat-badge.heat-高{background:#fce4ec;color:#c62828}
.heat-badge.heat-中{background:#fff3cd;color:#856404}
.heat-badge.heat-低{background:#e8f5e9;color:#2e7d32}

/* ============================================================
   解锁区
   ============================================================ */
.unlock-section{background:linear-gradient(135deg,#1a1a2e,#162447);color:#fff}
.unlock-content{text-align:center}
.unlock-content h3{font-size:1.1rem;margin-bottom:10px}
.unlock-desc{color:rgba(255,255,255,.8);font-size:.85rem;margin-bottom:14px}
.unlock-list{list-style:none;padding:0 0 16px;text-align:left;display:inline-block}
.unlock-list li{padding:4px 0;color:rgba(255,255,255,.85);font-size:.88rem}
.unlock-list li::before{content:"✓ ";color:#2ecc71;font-weight:700}
.unlock-sub{color:rgba(255,255,255,.5);font-size:.75rem;margin-top:10px}
.locked-section{animation:fadeIn .5s ease}
.bottom-cta-content{text-align:center;padding:8px}
.bottom-cta-content h3{font-size:1rem;color:#1a1a2e;margin-bottom:6px}
.bottom-cta-content p{font-size:.84rem;color:#666;line-height:1.6}

/* ============================================================
   解锁加载动画
   ============================================================ */
.unlock-loading-overlay{
    position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.55);
    display:flex;align-items:center;justify-content:center;z-index:999;
    animation:fadeIn .2s ease;
}
.unlock-loading-box{
    background:#fff;border-radius:16px;padding:40px 32px;text-align:center;
    max-width:320px;width:90%;box-shadow:0 8px 30px rgba(0,0,0,.15);
    animation:scaleIn .3s ease;
}
@keyframes scaleIn {from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}
.unlock-spinner{
    width:44px;height:44px;border:4px solid #e8e8e8;border-top-color:#3498db;
    border-radius:50%;margin:0 auto 18px;animation:spin .8s linear infinite;
}
@keyframes spin {to{transform:rotate(360deg)}}
.unlock-loading-title{font-size:1.05rem;font-weight:700;color:#1a1a2e;margin-bottom:8px}
.unlock-loading-desc{font-size:.82rem;color:#999}

/* ============================================================
   留资弹窗（底部滑出）
   ============================================================ */
.modal-overlay{
    position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.45);
    display:flex;align-items:flex-end;justify-content:center;z-index:1000;
    animation:fadeIn .25s ease;
}
.modal-box{
    background:#fff;border-radius:20px 20px 0 0;padding:28px 24px;
    width:100%;max-width:480px;position:relative;
    animation:slideUp .3s ease;padding-bottom:calc(24px + env(safe-area-inset-bottom,0px));
}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.modal-box h3{font-size:1.1rem;color:#1a1a2e;margin-bottom:6px;text-align:center}
.modal-desc{text-align:center;color:#888;margin-bottom:10px;font-size:.88rem}
.modal-features{list-style:none;padding:0;margin:0 auto 18px;text-align:center}
.modal-features li{padding:3px 0;color:#27ae60;font-weight:600;font-size:.85rem}
.modal-box .form-group{margin-bottom:14px}
.modal-box .form-group label{font-size:.85rem}
.modal-privacy{text-align:center;font-size:.75rem;color:#bbb;margin-top:14px;padding:0 10px}
.modal-close{position:absolute;top:16px;right:18px;background:none;border:none;font-size:1.2rem;color:#bbb;cursor:pointer;padding:8px;min-width:44px;min-height:44px}

/* ============================================================
   错误提示 / 加载
   ============================================================ */
.error-msg{background:#fdf0ef;color:#e74c3c;padding:14px 18px;border-radius:10px;border:1px solid #f5c6cb;margin-top:14px;font-size:.9rem}
.loading{text-align:center;padding:40px 20px}
.spinner{width:36px;height:36px;margin:0 auto 14px;border:4px solid #e0e0e0;border-top-color:#3498db;border-radius:50%;animation:spin .8s linear infinite}
.loading p{color:#888;margin-top:6px;font-size:.9rem}
.loading-hint{font-size:.8rem;color:#bbb}

/* ============================================================
   页脚 / 操作栏
   ============================================================ */
.footer{text-align:center;padding:20px;color:#bbb;font-size:.8rem}
.action-bar{text-align:center;padding:10px 0 30px}

/* ============================================================
   业务类型选择器（保持原有结构，移动端优化）
   ============================================================ */
.biz-search-wrap{position:relative;margin-bottom:10px}
.biz-search-input{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:12px;font-size:.92rem;outline:none;transition:border-color .2s}
.biz-search-input:focus{border-color:#3498db}
.biz-search-results{
    position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid #e0e0e0;
    border-radius:10px;box-shadow:0 6px 20px rgba(0,0,0,.1);max-height:220px;
    overflow-y:auto;z-index:100;margin-top:4px;
}
.biz-search-item{display:flex;align-items:center;gap:8px;padding:10px 14px;cursor:pointer;border-bottom:1px solid #f5f5f5;font-size:.88rem}
.biz-search-item:active{background:#f0f7ff}.biz-search-item:last-child{border-bottom:none}
.biz-search-type{font-weight:600;color:#333;flex:1}
.biz-search-cat{font-size:.75rem;color:#aaa}
.biz-search-empty{padding:14px;text-align:center;color:#bbb;font-size:.85rem}

.biz-hot-section{margin-bottom:12px}
.biz-hot-label{font-size:.82rem;color:#e67e22;font-weight:600;margin-bottom:8px}
.biz-hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.biz-hot-item{padding:10px 8px;background:#fff;border:2px solid #e8e8e8;border-radius:10px;text-align:center;cursor:pointer;font-size:.8rem;font-weight:500;color:#555;transition:all .15s;-webkit-tap-highlight-color:transparent}
.biz-hot-item:active{border-color:#3498db;color:#3498db;background:#f0f7ff}
.biz-hot-item.active{border-color:#3498db;background:#3498db;color:#fff;font-weight:700}

.biz-category-item{margin-bottom:6px}
.biz-cat-header{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#f8f9fa;border-radius:10px;cursor:pointer;font-weight:600;font-size:.85rem;color:#333;-webkit-tap-highlight-color:transparent;user-select:none;min-height:44px}
.biz-cat-header:active{background:#eef2f7}
.biz-cat-count{margin-left:auto;font-size:.75rem;color:#aaa;font-weight:400}
.biz-cat-arrow{font-size:.7rem;color:#aaa}
.biz-cat-body{padding:6px 0 2px}
.biz-cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;padding:8px;background:#fafbfc;border-radius:8px}
.biz-cat-tag{padding:10px 8px;background:#fff;border:1.5px solid #e8e8e8;border-radius:8px;text-align:center;cursor:pointer;font-size:.8rem;color:#555;transition:all .15s;-webkit-tap-highlight-color:transparent}
.biz-cat-tag:active{border-color:#3498db;color:#3498db}
.biz-cat-tag.active{border-color:#27ae60;background:#d4edda;color:#155724;font-weight:700}

.biz-smart-hint{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:#e8f4fd;border:1px solid #bee5eb;border-radius:10px;font-size:.85rem;color:#0c5460;margin-top:10px}
.biz-smart-btn{padding:8px 16px;background:#3498db;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:.82rem;font-weight:600;min-height:44px}

/* 核心业务 */
.core-business-section{padding:14px;background:#f8f9fa;border-radius:12px;border:1px solid #e8e8e8}
.core-business-section .section-title{font-size:.9rem;font-weight:600;color:#333;margin-bottom:10px}
.core-business-section .hint{font-size:.78rem;color:#aaa;font-weight:400}
.recommend-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.recommend-tag{display:inline-block;padding:8px 14px;background:#fff;border:2px solid #e0e0e0;border-radius:20px;font-size:.82rem;color:#555;cursor:pointer;transition:all .15s;user-select:none;-webkit-tap-highlight-color:transparent}
.recommend-tag:active{border-color:#3498db}
.recommend-tag.active{border-color:#27ae60;background:#d4edda;color:#155724;font-weight:700}
.divider-text{text-align:center;font-size:.78rem;color:#ccc;margin:8px 0;position:relative}
.divider-text::before,.divider-text::after{content:"";display:inline-block;width:25%;height:1px;background:#e0e0e0;vertical-align:middle;margin:0 8px}

/* ============================================================
   表格
   ============================================================ */
.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:.84rem}
table th{background:#f8f9fa;padding:9px 10px;text-align:left;font-weight:600;color:#555;border-bottom:2px solid #e0e0e0;white-space:nowrap}
table td{padding:9px 10px;border-bottom:1px solid #f0f0f0;color:#444}
table tbody tr:active{background:#fafbfc}
.evidence-cell{font-size:.78rem;color:#888;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:.72rem;font-weight:600}
.badge-deep{background:#d4edda;color:#155724}
.badge-shallow{background:#fff3cd;color:#856404}
.badge-little{background:#fce4ec;color:#c62828}
.badge-none{background:#f5f5f5;color:#999}
.badge-yes{background:#d4edda;color:#155724}
.badge-no{background:#f5f5f5;color:#999}
.badge-green{background:#d4edda;color:#155724}
.badge-yellow{background:#fff3cd;color:#856404}
.badge-red{background:#fce4ec;color:#c62828}
.badge-gray{background:#eee;color:#999}

.platform-score-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin-bottom:8px}
.ps-item{display:flex;flex-direction:column;padding:6px 10px;background:#fff;border-radius:6px;border:1px solid #eee}
.ps-name{font-weight:600;font-size:.8rem;color:#333}
.ps-level{font-size:.72rem;color:#888;margin:2px 0}
.ps-score{font-size:.72rem;color:#3498db;font-weight:500}

/* ============================================================
   桌面端适配（> 768px）
   ============================================================ */
@media (min-width: 769px) {
    .container{max-width:900px;padding:20px}
    .hero{padding:50px 20px 30px}
    .hero-title{font-size:2rem}
    .feature-grid{grid-template-columns:repeat(4,1fr)}
    .platform-cards{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
    .score-ring{width:140px;height:140px}
    .score-ring-value{font-size:3rem}
    .modal-box{border-radius:16px;max-width:420px;width:90%}
}

/* 大屏手机 */
@media (min-width: 481px) and (max-width: 768px) {
    .container{max-width:600px;padding:0 20px}
    .scope-options{flex-direction:row;gap:10px}
    .scope-option{flex:1}
}

/* 平板/桌面 */
@media (min-width: 769px) {
    .container{max-width:560px;padding:0 24px}
    .scope-options{flex-direction:row;gap:10px}
    .scope-option{flex:1}
}

/* ============================================================
   GEO对标挖掘 & 推荐实测
   ============================================================ */
.geo-mining-you{margin-top:12px;padding:10px 14px;background:#f8f9ff;border-radius:10px;font-size:.84rem;color:#555;line-height:1.5}
.geo-mining-you strong{color:#667eea}
.geo-mining-note{margin-top:14px;padding:10px 14px;background:linear-gradient(135deg,#f0f2ff,#f8f9ff);border-radius:10px;font-size:.8rem;color:#888;line-height:1.5;text-align:center;border:1px dashed #d0d4f7}
.expand-toggle{margin-top:12px;padding:10px 0;text-align:center;font-size:.84rem;color:#667eea;cursor:pointer;user-select:none;-webkit-tap-highlight-color:transparent;transition:color .2s}
.expand-toggle:hover{color:#4a5fd8}
.expand-toggle:active{color:#3b4cb8}
.geo-rec-card{background:#fff;border-radius:12px;padding:14px;margin-bottom:12px;box-shadow:0 1px 6px rgba(0,0,0,.05)}
.geo-rec-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.geo-rec-kw{font-weight:600;font-size:.92rem;color:#1a1a2e}
.geo-rec-result{font-size:.78rem;padding:3px 10px;border-radius:10px;font-weight:500}
.geo-rec-win{background:#e8f5e9;color:#2e7d32}
.geo-rec-lose{background:#fff3e0;color:#e65100}
.geo-rec-none{background:#f5f5f5;color:#999}
.geo-rec-companies{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.geo-rec-chip{padding:4px 10px;border-radius:12px;font-size:.76rem;font-weight:500}
.geo-rec-chip-you{background:#667eea;color:#fff}
.geo-rec-chip-comp{background:#f0f0f0;color:#666}
.geo-rec-chip-miss{background:#fff0f0;color:#c62828}
.geo-rec-answer{margin-top:8px;padding:10px 12px;background:#f8f9fa;border-radius:8px;font-size:.78rem;color:#666;line-height:1.5;max-height:120px;overflow-y:auto;display:none}
.geo-rec-toggle{font-size:.76rem;color:#667eea;cursor:pointer;text-align:right;margin-top:4px}
.geo-rec-toggle:hover{text-decoration:underline}

/* ============================================================
   v1.0 新增样式
   ============================================================ */

/* 必填标签 */
.required-tag {
    background: #fee2e2;
    color: #dc2626;
    font-size: .65rem;
    padding: 2px 6px;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 4px;
}

/* 文本域 */
.form-textarea {
    min-height: 60px;
    resize: vertical;
    line-height: 1.5;
}

/* 动画 */
.fade-in {
    animation: fadeIn .5s ease both;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}