*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#08090d;
  --bg2:#0d0f15;
  --card:#12141c;
  --line:#1e2130;
  --txt:#e8eaf0;
  --dim:#8b90a3;
  --acc:#5b8cff;
  --acc2:#9b6bff;
  --ok:#2ecc71;
  --err:#ff5c6c;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
code,pre{font-family:var(--mono)}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;height:60px;
  background:rgba(8,9,13,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:8px;font-weight:600;font-size:15px}
.dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--acc),var(--acc2));box-shadow:0 0 12px var(--acc)}
.nav-links{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--dim)}
.nav-links a:hover{color:var(--txt)}
.btn-sm{
  padding:6px 14px;border-radius:8px;font-size:13px;cursor:pointer;
  background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;border:none;
  font-weight:500;transition:.18s;
}
.btn-sm:hover{filter:brightness(1.15)}
.btn-sm.danger{background:#2a1a1e;color:var(--err);border:1px solid #3d2028}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-block;padding:12px 28px;border-radius:10px;font-size:15px;
  background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;
  border:none;cursor:pointer;font-weight:500;transition:.18s;
}
.btn:hover{filter:brightness(1.12);transform:translateY(-1px)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--txt)}
.btn.ghost:hover{border-color:var(--acc);background:rgba(91,140,255,.08)}
.btn.full{width:100%;text-align:center}

/* ---------- 首页 ---------- */
.hero{position:relative;text-align:center;padding:88px 24px 64px;overflow:hidden}
.hero-glow{
  position:absolute;top:-220px;left:50%;transform:translateX(-50%);
  width:820px;height:520px;pointer-events:none;
  background:radial-gradient(circle,rgba(91,140,255,.22),rgba(155,107,255,.10) 42%,transparent 70%);
  filter:blur(28px);
}
.badge{
  display:inline-block;padding:6px 16px;border-radius:100px;font-size:13px;
  color:var(--dim);border:1px solid var(--line);background:var(--bg2);margin-bottom:26px;
}
.hero h1{
  position:relative;font-size:clamp(32px,5.6vw,60px);line-height:1.18;
  margin:0 0 20px;font-weight:700;letter-spacing:-.02em;
}
.grad{background:linear-gradient(120deg,var(--acc),var(--acc2) 55%,#ff7ac6);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{position:relative;color:var(--dim);font-size:16px;margin:0 auto 34px;max-width:640px}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:56px}

.terminal{
  max-width:760px;margin:0 auto;text-align:left;
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.55);
}
.term-bar{
  display:flex;align-items:center;gap:7px;padding:11px 15px;
  background:#0f1118;border-bottom:1px solid var(--line);font-size:12px;color:var(--dim);
}
.term-bar i{width:11px;height:11px;border-radius:50%;background:#2a2e3d}
.term-bar i:nth-child(1){background:#ff5f57}
.term-bar i:nth-child(2){background:#febc2e}
.term-bar i:nth-child(3){background:#28c840}
.term-bar span{margin-left:8px}
.terminal pre{margin:0;padding:20px 22px;overflow-x:auto;font-size:13.5px;line-height:1.85}
.c-p{color:var(--ok)}
.c-s{color:#7dd3fc}
.c-g{color:#a5d6a7}
.c-c{color:var(--dim)}
.c-ok{color:var(--ok);font-weight:600}
.c-k{color:#ffb86c}

/* ---------- 特性 ---------- */
.features{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:18px;max-width:1120px;margin:0 auto;padding:20px 24px 70px;
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:26px 22px;transition:.2s;
}
.card:hover{border-color:#2b3350;transform:translateY(-3px)}
.card .ic{font-size:24px;margin-bottom:14px}
.card h3{margin:0 0 10px;font-size:16px;font-weight:600}
.card p{margin:0;color:var(--dim);font-size:14px}

/* ---------- 模型 ---------- */
.models{text-align:center;padding:20px 24px 70px;max-width:1120px;margin:0 auto}
.models h2{font-size:26px;margin:0 0 8px}
.sub2{color:var(--dim);margin:0 0 34px;font-size:14px}
.model-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.mcard{
  display:flex;align-items:center;gap:14px;padding:18px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;text-align:left;
}
.mcard b{display:block;font-size:15px}
.mcard span{font-size:12px;color:var(--dim)}
.mlogo{
  width:42px;height:42px;border-radius:10px;flex:0 0 42px;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:17px;background:#1a1d29;color:var(--txt);
}
.mlogo.cl{background:linear-gradient(135deg,#d97757,#b35c3c)}
.mlogo.op{background:linear-gradient(135deg,#10a37f,#0a7d60)}
.mlogo.gm{background:linear-gradient(135deg,#4285f4,#9b6bff)}
.mlogo.ds{background:linear-gradient(135deg,#4d6bfe,#2a3fb8)}
.mcard.more{opacity:.6}

/* ---------- CTA ---------- */
.cta{
  text-align:center;padding:70px 24px 90px;
  background:radial-gradient(circle at 50% 0,rgba(91,140,255,.13),transparent 62%);
}
.cta h2{font-size:28px;margin:0 0 12px}
.cta p{color:var(--dim);margin:0 0 30px}

/* ---------- 页脚 ---------- */
.foot{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  padding:26px 24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--dim);
}
.foot-links{display:flex;gap:20px}
.foot-links a:hover{color:var(--txt)}

/* ---------- 登录/注册 ---------- */
.auth-wrap{
  min-height:calc(100vh - 60px);display:flex;align-items:center;justify-content:center;
  padding:48px 20px;
  background:radial-gradient(circle at 50% 0,rgba(91,140,255,.12),transparent 55%);
}
.auth-card{
  width:100%;max-width:400px;background:var(--card);
  border:1px solid var(--line);border-radius:16px;padding:34px 28px;
}
.auth-card h2{margin:0 0 6px;font-size:23px}
.auth-sub{margin:0 0 26px;color:var(--dim);font-size:14px}
.auth-foot{margin:20px 0 0;text-align:center;font-size:13px;color:var(--dim)}
.auth-foot a{color:var(--acc)}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--dim);margin-bottom:7px}
input{
  width:100%;padding:11px 13px;border-radius:9px;
  background:var(--bg2);border:1px solid var(--line);color:var(--txt);
  font-size:14px;font-family:inherit;outline:none;transition:.16s;
}
input:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(91,140,255,.14)}
input::placeholder{color:#4d5266}
.err{color:var(--err);font-size:13px;min-height:20px;margin-bottom:8px}
.msg{font-size:13px;margin-top:12px;min-height:20px}
.msg.ok{color:var(--ok)}
.msg.err{color:var(--err)}

/* ---------- 控制台 ---------- */
.panel{display:flex;min-height:calc(100vh - 60px);align-items:flex-start}
.side{
  width:200px;flex:0 0 200px;padding:26px 14px;
  border-right:1px solid var(--line);min-height:calc(100vh - 60px);
}
.sitem{
  display:block;padding:10px 14px;border-radius:9px;font-size:14px;
  color:var(--dim);margin-bottom:4px;transition:.15s;
}
.sitem:hover{background:var(--bg2);color:var(--txt)}
.sitem.active{background:rgba(91,140,255,.13);color:var(--acc);font-weight:500}
.content{flex:1;padding:30px 32px 60px;min-width:0;max-width:1080px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.page-head h1{margin:0;font-size:24px}
.mail{font-size:13px;color:var(--dim)}

.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:22px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px}
.stat span{display:block;font-size:12.5px;color:var(--dim);margin-bottom:8px}
.stat b{font-size:21px;font-weight:600;letter-spacing:-.01em}

.box{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:22px;margin-bottom:18px;
}
.box h3{margin:0 0 14px;font-size:15px;font-weight:600}
.muted{color:var(--dim);font-size:13.5px;margin:0 0 12px}

.copy-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.copy-row code{
  flex:1;min-width:200px;padding:10px 13px;border-radius:8px;
  background:var(--bg2);border:1px solid var(--line);
  font-size:13px;overflow-x:auto;white-space:nowrap;
}
pre.code{
  margin:0;padding:18px;border-radius:10px;background:var(--bg2);
  border:1px solid var(--line);overflow-x:auto;font-size:13px;line-height:1.8;
}
pre.code code{color:#c9d1e0}

.inline-form{display:flex;gap:10px;flex-wrap:wrap}
.inline-form input{flex:1;min-width:150px}
.inline-form .btn{padding:11px 22px;font-size:14px}

.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:16px}

/* ---------- 密钥卡片 ---------- */
.keybox{margin-bottom:14px}
.keyhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.pill{padding:3px 10px;border-radius:100px;font-size:12px}
.pill.on{background:rgba(46,204,113,.14);color:var(--ok)}
.pill.off{background:rgba(255,92,108,.14);color:var(--err)}
.keytext{font-family:var(--mono)}
.keymeta{display:flex;gap:20px;flex-wrap:wrap;font-size:12.5px;color:var(--dim)}
.keymeta b{color:var(--txt);font-weight:500}

/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{
  text-align:left;padding:10px 12px;font-weight:500;font-size:12.5px;
  color:var(--dim);border-bottom:1px solid var(--line);
}
.tbl td{padding:11px 12px;border-bottom:1px solid #161923}
.tbl tr:last-child td{border-bottom:none}
.tbl tbody tr:hover{background:rgba(91,140,255,.05)}

/* ---------- 文档 ---------- */
.doc{max-width:820px}
.doc h1{margin:0 0 10px;font-size:26px}
.doc h2{margin:34px 0 12px;font-size:19px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.doc h3{margin:24px 0 10px;font-size:15px;color:var(--dim)}
.doc p{font-size:14.5px}
.doc code{background:var(--bg2);padding:2px 6px;border-radius:5px;font-size:13px}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);
  padding:11px 22px;border-radius:9px;font-size:14px;
  background:#1b1f2c;border:1px solid #2b3350;color:var(--txt);
  opacity:0;transition:.28s;z-index:999;pointer-events:none;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 移动端 ---------- */
@media(max-width:760px){
  .nav{padding:0 16px}
  .nav-links{gap:14px;font-size:13px}
  .hero{padding:56px 18px 44px}
  .terminal pre{font-size:12px;padding:16px}
  .panel{flex-direction:column}
  .side{
    width:100%;flex:none;min-height:0;border-right:none;
    border-bottom:1px solid var(--line);padding:12px;
    display:flex;gap:6px;overflow-x:auto;
  }
  .sitem{margin-bottom:0;white-space:nowrap}
  .content{padding:20px 16px 50px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .foot{flex-direction:column;text-align:center}
}
/* 验证码输入行 */
.code-row { display: flex; gap: 8px; align-items: stretch; }
.code-row input { flex: 1; min-width: 0; }
.code-btn { white-space: nowrap; flex-shrink: 0; }