/* 添先生海外AIGEO - 暗色科技风（仿参考站配色） */
:root{
  --bg:#0d1117; --bg-deep:#02050f; --panel:#131922; --panel2:#18202b;
  --border:#222b38; --border-lt:#2e3a4c;
  --text:#ebefff; --muted:#b8bdd2; --dim:#8b93a8;
  --cyan:#00f0ff; --blue:#18a8ff; --green:#2de2b7; --gold:#facb45;
  --grad:linear-gradient(90deg,#00f0ff,#18a8ff);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(600px 400px at 15% -5%,rgba(0,240,255,.08),transparent),
             radial-gradient(700px 500px at 90% 10%,rgba(24,168,255,.10),transparent),
             radial-gradient(500px 400px at 50% 110%,rgba(45,226,183,.06),transparent)}
a{color:var(--blue);text-decoration:none}
img{max-width:100%}
.container{width:min(1120px,92%);margin:0 auto}
.narrow{max-width:760px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(2,5,15,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:20px;font-weight:800;color:var(--text);letter-spacing:.5px}
.logo span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.main-nav{display:flex;align-items:center;gap:22px}
.main-nav a{color:var(--muted);font-size:15px}
.main-nav a:hover,.main-nav a.active{color:var(--cyan)}
.nav-toggle{display:none;background:none;border:1px solid var(--border);color:var(--text);font-size:20px;border-radius:8px;padding:4px 10px;cursor:pointer}

/* Buttons */
.btn{display:inline-block;padding:10px 22px;border-radius:10px;font-size:15px;border:1px solid var(--border-lt);color:var(--text);cursor:pointer;transition:.2s;background:var(--panel2);font-family:inherit}
.btn:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-primary{background:var(--grad);border:none;color:#02121a;font-weight:700}
.btn-primary:hover{filter:brightness(1.12);color:#02121a;box-shadow:0 0 24px rgba(0,240,255,.35)}
.btn-ghost{background:transparent}
.btn-lg{padding:14px 34px;font-size:17px;border-radius:12px}
.btn-sm{padding:5px 12px;font-size:13px;border-radius:8px}
.btn-danger{border-color:#7a2d3a;color:#ff7b93}
.btn-danger:hover{border-color:#ff7b93;color:#ff7b93}
.btn.full{width:100%;text-align:center}

/* Hero */
.hero{padding:90px 0 70px;text-align:center}
.hero-badge{display:inline-block;font-size:12px;letter-spacing:3px;color:var(--cyan);border:1px solid rgba(0,240,255,.35);border-radius:999px;padding:6px 18px;margin-bottom:24px;background:rgba(0,240,255,.06)}
.hero h1{font-size:clamp(32px,5.5vw,58px);line-height:1.25;font-weight:900}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{max-width:720px;margin:22px auto 0;color:var(--muted);font-size:clamp(15px,2vw,18px)}
.hero-actions{margin-top:34px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-stats{margin-top:54px;display:flex;gap:48px;justify-content:center;flex-wrap:wrap}
.hero-stats b{display:block;font-size:30px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{color:var(--dim);font-size:13px}

/* Sections */
.section{padding:76px 0}
.section.alt{background:rgba(19,25,34,.6);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{text-align:center;margin-bottom:44px}
.tag{display:inline-block;font-size:12px;letter-spacing:3px;color:var(--cyan);margin-bottom:10px}
.section-head h2{font-size:clamp(24px,3.5vw,34px)}
.section-head p{color:var(--muted);margin-top:8px}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:rgba(0,240,255,.45);box-shadow:0 8px 32px rgba(0,240,255,.08)}
.card-ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.card-ico.cyan{background:rgba(0,240,255,.12);color:var(--cyan)}
.card-ico.blue{background:rgba(24,168,255,.12);color:var(--blue)}
.card-ico.green{background:rgba(45,226,183,.12);color:var(--green)}
.card-ico.gold{background:rgba(250,203,69,.12);color:var(--gold)}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px;margin-bottom:14px}
.card-link{font-size:14px}

/* Features */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.feature{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.feature b{font-size:26px;color:rgba(0,240,255,.5);font-family:monospace}
.feature h3{margin:8px 0 8px;font-size:17px}
.feature p{color:var(--muted);font-size:14px}

/* CTA band */
.cta-band{padding:70px 0;text-align:center;background:linear-gradient(135deg,rgba(0,240,255,.08),rgba(24,168,255,.08));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.cta-band h2{font-size:clamp(22px,3vw,30px)}
.cta-band p{color:var(--muted);margin:12px 0 26px}

/* FAQ */
.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px 22px;margin-bottom:14px}
.faq-item summary{cursor:pointer;font-weight:600}
.faq-item p{color:var(--muted);margin-top:10px;font-size:14.5px}

/* Footer */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--border);padding:48px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding-bottom:32px}
.site-footer h4{font-size:15px;margin-bottom:12px}
.site-footer a{display:block;color:var(--dim);font-size:14px;padding:3px 0}
.site-footer a:hover{color:var(--cyan)}
.site-footer p{color:var(--dim);font-size:14px;margin-top:10px;max-width:420px}
.copyright{border-top:1px solid var(--border);padding:18px 0;color:var(--dim);font-size:13px;text-align:center}

/* Auth pages */
.auth-page{display:flex;min-height:100vh;align-items:center;justify-content:center;background:var(--bg-deep)}
.auth-card{width:min(420px,92%);background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:36px 30px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.auth-card .logo{display:block;text-align:center;margin-bottom:18px}
.auth-card h2{text-align:center;font-size:22px;margin-bottom:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:6px}
.field input,.field textarea{width:100%;background:var(--bg-deep);border:1px solid var(--border);border-radius:10px;padding:11px 14px;color:var(--text);font-size:15px;font-family:inherit}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan)}
.field input:disabled{opacity:.55}
.auth-alt{text-align:center;margin-top:18px;color:var(--dim);font-size:14px}
.tip{color:var(--dim);font-size:13px;text-align:center;margin-bottom:12px}

/* Alerts */
.alert{border-radius:10px;padding:12px 16px;font-size:14px;margin-bottom:18px}
.alert.ok{background:rgba(45,226,183,.1);border:1px solid rgba(45,226,183,.4);color:var(--green)}
.alert.err{background:rgba(255,99,132,.1);border:1px solid rgba(255,99,132,.4);color:#ff7b93}

/* User center */
.uc-head{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:24px}
.avatar{width:64px;height:64px;border-radius:50%;background:var(--grad);color:#02121a;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:900;flex-shrink:0}
.uc-head h2{font-size:22px}
.uc-head p{color:var(--dim);font-size:13.5px}
.credit-box{margin-left:auto;background:rgba(250,203,69,.08);border:1px solid rgba(250,203,69,.4);color:var(--gold);border-radius:12px;padding:10px 20px;font-size:14px}
.credit-box b{font-size:22px;display:block}
.uc-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.panel h3{font-size:17px;margin-bottom:18px}
.quick-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.quick-links a{background:var(--panel2);border:1px solid var(--border);border-radius:10px;padding:14px;text-align:center;color:var(--muted);font-size:14px}
.quick-links a:hover{border-color:var(--cyan);color:var(--cyan)}

/* Admin */
.admin-main{padding:34px 0 60px;min-height:70vh}
.admin-main h2{margin-bottom:20px;font-size:24px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px}
.stat{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center}
.stat b{font-size:32px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.stat span{color:var(--dim);font-size:13.5px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
th,td{padding:11px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}
th{color:var(--dim);font-weight:600;font-size:13px}
.badge{font-size:11px;background:rgba(0,240,255,.12);color:var(--cyan);border-radius:6px;padding:2px 8px}
.ok-text{color:var(--green)} .err-text{color:#ff7b93}
.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.inline-form input{background:var(--bg-deep);border:1px solid var(--border);border-radius:8px;padding:7px 10px;color:var(--text);font-size:13px}
code{background:var(--bg-deep);border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-size:13px;color:var(--cyan)}

/* Responsive */
@media (max-width:860px){
  .uc-grid,.footer-grid{grid-template-columns:1fr}
  .credit-box{margin-left:0}
}
@media (max-width:768px){
  .nav-toggle{display:block}
  .main-nav{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg-deep);border-bottom:1px solid var(--border);display:none;padding:10px 4%}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 8px;border-radius:8px}
  .main-nav a:hover{background:var(--panel)}
  .hero{padding:56px 0 46px}
  .hero-stats{gap:28px}
  .section{padding:56px 0}
  .inline-form{align-items:stretch}
}
/* ===================== GEO 洞察工作台 ===================== */
.gi-head{margin-bottom:28px}
.gi-head h1{font-size:clamp(24px,3.5vw,34px)}
.gi-head p{color:var(--muted);margin-top:8px}
.gold{color:var(--gold)}
.plat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.plat-check input{display:none}
.plat-check span{display:block;text-align:center;border:1px solid var(--border);border-radius:10px;padding:9px 6px;font-size:14px;color:var(--muted);cursor:pointer;transition:.2s}
.plat-check input:checked+span{border-color:var(--pc,var(--cyan));color:var(--pc,var(--cyan));background:rgba(0,240,255,.06)}
.steps{list-style:none}
.steps li{position:relative;padding:8px 0 8px 40px;color:var(--muted);font-size:14.5px;border-bottom:1px dashed var(--border)}
.steps li::before{content:counter(s);counter-increment:s;position:absolute;left:0;top:10px;width:26px;height:26px;border-radius:50%;background:rgba(0,240,255,.1);border:1px solid rgba(0,240,255,.4);color:var(--cyan);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.steps{counter-reset:s}
.steps b{color:var(--text)}
.mini-table th,.mini-table td{padding:8px}
.gi-overlay{position:fixed;inset:0;background:rgba(2,5,15,.88);display:none;align-items:center;justify-content:center;z-index:200}
.gi-overlay.show{display:flex}
.gi-progress{text-align:center;padding:20px}
.gi-ring{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--cyan);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.gi-progress h3{color:var(--cyan);font-size:17px}
.gi-progress p{color:var(--dim);font-size:13px;margin:8px 0 16px}

/* ===================== 通用报告页 ===================== */
.report-wrap{max-width:960px}
.report-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:24px;flex-wrap:wrap}
.rep-head{text-align:center;margin:8px 0 28px}
.rep-head h1{font-size:clamp(20px,4vw,34px);word-break:break-all}
.rep-head p{color:var(--dim);font-size:13px;margin-top:8px}
.rep-sec{margin:36px 0 16px;font-size:clamp(17px,2.5vw,20px);border-left:3px solid var(--cyan);padding-left:12px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px}
.kpi{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px 12px;text-align:center}
.kpi b{display:block;font-size:28px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.kpi span{color:var(--dim);font-size:12px}
.ptable-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:4px}
.ptable{width:100%;min-width:560px;border-collapse:collapse;font-size:14px}
.ptable th,.ptable td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}
.ptable th{color:var(--dim);font-weight:600;font-size:12.5px;white-space:nowrap}
.ptable .bar{height:8px;background:var(--bg-deep);border-radius:4px;margin-bottom:4px;min-width:80px}
.ptable .bar i{display:block;height:100%;border-radius:4px}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:8px}
.dim-desc{color:var(--dim);font-size:12px}
.cur-row{background:rgba(0,240,255,.05)}
.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.chart-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px;min-width:0}
.chart-card h4{font-size:14.5px;margin-bottom:12px}
.chart{width:100%;height:auto;display:block}
.legend{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:10px;font-size:12.5px;color:var(--muted)}
.legend .lg i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}
.stack-wrap{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.stack-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.stack-label{width:86px;font-size:13px;color:var(--muted);flex-shrink:0;text-align:right}
.stack-bar{flex:1;display:flex;height:16px;border-radius:8px;overflow:hidden;background:var(--bg-deep)}
.stack-bar i{display:block;height:100%}
.prompt-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px}
.prompt-item{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:12px 14px;font-size:13.5px;color:var(--muted)}
.ok-text{color:var(--green)}

/* ===================== GEO 审计 ===================== */
.dim-weights{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px}
.dim-weights span{background:var(--panel2);border:1px solid var(--border);border-radius:8px;padding:7px 10px;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:8px}
.dim-weights b{color:var(--cyan);white-space:nowrap}

/* 总分仪表盘（突出显示） */
.score-hero{display:flex;align-items:center;gap:36px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:30px;flex-wrap:wrap}
.score-hero.good{border-color:rgba(45,226,183,.5);box-shadow:0 0 44px rgba(45,226,183,.08)}
.score-hero.mid{border-color:rgba(250,203,69,.5);box-shadow:0 0 44px rgba(250,203,69,.08)}
.score-hero.bad{border-color:rgba(255,123,147,.5);box-shadow:0 0 44px rgba(255,123,147,.08)}
.score-ring{position:relative;width:200px;height:200px;border-radius:50%;flex-shrink:0;
  background:conic-gradient(var(--rc,var(--cyan)) calc(var(--p)*1%),var(--border) 0);
  display:flex;align-items:center;justify-content:center}
.score-ring::before{content:"";position:absolute;inset:12px;border-radius:50%;background:var(--panel)}
.score-ring .score-inner{position:relative;z-index:1;text-align:center;line-height:1.2}
.score-num{display:block;font-size:64px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.score-grade{display:block;font-size:16px;font-weight:800;color:var(--text);margin-top:4px}
.score-cap{display:block;font-size:12px;color:var(--dim);margin-top:2px}
.score-note{flex:1;min-width:240px}
.score-sub-kpis{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.score-sub-kpis span{background:var(--panel2);border:1px solid var(--border);border-radius:10px;padding:7px 14px;font-size:13px;color:var(--dim)}
.score-sub-kpis b{color:var(--cyan);font-size:16px;margin-left:4px}
.score-note>p{color:var(--muted);font-size:14px;margin-top:6px}

/* AI 爬虫卡片 */
.bot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.bot-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px 16px;min-width:0}
.bot-name{font-weight:700;margin:4px 0;font-size:14.5px}
.bot-desc{color:var(--dim);font-size:12px;line-height:1.55;word-break:break-all}

/* 整改建议卡片 */
.action-card{background:var(--panel);border:1px solid var(--border);border-left:4px solid var(--gold);border-radius:12px;padding:16px 18px;margin-bottom:12px}
.action-card.is-fail{border-left-color:#ff7b93}
.action-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.action-idx{width:24px;height:24px;border-radius:50%;background:var(--panel2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted);flex-shrink:0}
.action-state{font-size:13px;flex-shrink:0}
.action-name{font-size:15px}
.action-meta{margin-left:auto;color:var(--dim);font-size:12px}
.action-problem{color:var(--muted);font-size:13.5px;margin-top:10px}
.action-fix{margin-top:10px;background:rgba(0,240,255,.05);border:1px dashed rgba(0,240,255,.35);border-radius:10px;padding:10px 14px;font-size:13.5px;line-height:1.85}
.action-fix b{color:var(--cyan)}
.act-note{color:var(--muted);font-size:13px}

/* ===================== 移动端自适应 ===================== */
@media (max-width:860px){
  .uc-grid,.footer-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .score-hero{flex-direction:column;text-align:center;padding:24px 16px;gap:20px}
  .score-ring{width:168px;height:168px}
  .score-num{font-size:52px}
  .score-note{text-align:left;width:100%}
  .score-sub-kpis{justify-content:center}
  .chart-grid{grid-template-columns:1fr}
  .rep-sec{font-size:17px}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .report-actions{flex-direction:column;align-items:stretch}
  .report-actions .btn{text-align:center;justify-content:center}
  .stack-row{flex-direction:column;align-items:stretch;gap:4px}
  .stack-label{width:auto;text-align:left}
  .prompt-list{grid-template-columns:1fr}
  .ptable{min-width:480px}
  .ptable th,.ptable td{padding:8px;font-size:13px}
  .action-meta{margin-left:0;width:100%}
}
@media (max-width:420px){
  .bot-grid{grid-template-columns:1fr}
  .kpi b{font-size:22px}
  .dim-weights{grid-template-columns:1fr 1fr}
}

/* ===================== 版块化布局（每个内容一个独立卡片版块） ===================== */
.blk{background:var(--panel);border:1px solid var(--border);border-radius:16px;margin-bottom:22px;overflow:hidden}
.blk-head{display:flex;align-items:center;gap:14px;padding:16px 20px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,rgba(0,240,255,.05),transparent)}
.blk-ico{width:38px;height:38px;border-radius:10px;background:rgba(0,240,255,.1);border:1px solid rgba(0,240,255,.35);color:var(--cyan);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;flex-shrink:0}
.blk-head h2{font-size:17px;margin:0}
.blk-head p{font-size:12.5px;color:var(--dim);margin:2px 0 0}
.blk-body{padding:20px}
.blk-body>.ptable-wrap,.blk-body>.chart-grid,.blk-body>.bot-grid{margin:0}
@media (max-width:768px){
  .blk-head{padding:13px 14px}
  .blk-ico{width:32px;height:32px;font-size:14px}
  .blk-body{padding:14px}
}