/* ============================================================
   API 开放平台 · 深色玻璃拟态主题
   ============================================================ */
:root {
  --bg: #0a0f1e;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e6e9f2;
  --muted: #8b93a7;
  --primary: #6366f1;
  --primary-2: #8b5cf6;
  --ok: #34d399;
  --bad: #f87171;
  --radius: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, rgba(99, 102, 241, .18), transparent),
              radial-gradient(900px 500px at -10% 30%, rgba(139, 92, 246, .12), transparent),
              var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  min-height: 100vh;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
code { background: var(--surface-2); padding: 2px 7px; border-radius: 6px; font-size: 13px; font-family: ui-monospace, Consolas, monospace; color: #a5b4fc; word-break: break-all; }
pre { background: #0d1326; border: 1px solid var(--border); border-radius: 10px; padding: 14px; overflow-x: auto; margin: 8px 0; }
pre code { background: none; padding: 0; }
h1 { font-size: 26px; margin-bottom: 12px; }
h2 { font-size: 20px; margin: 30px 0 14px; }
h3 { font-size: 16px; margin-bottom: 8px; }

/* 导航 */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 5vw; position: sticky; top: 0; z-index: 50;
  background: rgba(10, 15, 30, .75); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; font-size: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 4px 18px rgba(99,102,241,.45); }
.brand-text strong { display: block; font-size: 15px; }
.brand-text small { display: block; font-size: 11px; color: var(--muted); letter-spacing: 2px; }
.nav-links { display: flex; align-items: center; gap: 18px; font-size: 14px; }
.nav-links a:hover { color: #a5b4fc; }

/* 按钮 */
.btn-primary, .btn-outline, .btn-mini {
  display: inline-block; border: none; cursor: pointer; border-radius: 10px; font-size: 14px; padding: 9px 18px; transition: all .18s;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; box-shadow: 0 4px 16px rgba(99,102,241,.4); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(99,102,241,.55); }
.btn-outline { background: var(--surface); border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: var(--surface-2); }
.btn-mini { background: var(--surface-2); color: var(--text); padding: 4px 10px; font-size: 12px; border-radius: 7px; }
.btn-mini:hover { background: rgba(99,102,241,.25); }
.btn-mini.danger:hover { background: rgba(248,113,113,.3); }
.btn-primary.lg, .btn-outline.lg { padding: 13px 30px; font-size: 15px; }
.full { width: 100%; }
button { font-family: inherit; }

/* Hero */
.hero { text-align: center; padding: 90px 5vw 40px; }
.hero h1 { font-size: 42px; background: linear-gradient(120deg, #fff, #a5b4fc); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { color: var(--muted); font-size: 17px; margin: 12px 0 26px; }
.hero-btns { display: flex; gap: 14px; justify-content: center; }
.stats { display: flex; gap: 14px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.stats.left { justify-content: flex-start; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 30px; text-align: center; min-width: 130px; }
.stat b { display: block; font-size: 24px; color: #a5b4fc; }
.stat span { font-size: 12px; color: var(--muted); }

/* 区块与卡片 */
.page { max-width: 1100px; margin: 0 auto; padding: 0 5vw 60px; }
.section { margin-top: 46px; }
.section > h2 { border-left: 3px solid var(--primary); padding-left: 12px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-top: 18px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; transition: all .2s; }
.card:hover { background: var(--surface-2); transform: translateY(-2px); }
.card .ic { font-size: 26px; margin-bottom: 8px; }
.card p { font-size: 13.5px; color: var(--muted); margin-top: 6px; }
.muted { color: var(--muted); font-size: 13.5px; }
.center { text-align: center; margin-top: 16px; }
.center a { color: #a5b4fc; }

.api-card .api-top { display: flex; justify-content: space-between; align-items: center; }
.api-path { display: inline-block; margin: 8px 0; }
.tag { font-size: 11px; padding: 3px 9px; border-radius: 99px; background: rgba(99,102,241,.2); color: #a5b4fc; white-space: nowrap; }
.ok-tag { background: rgba(52,211,153,.15); color: var(--ok); }
.off-tag { background: rgba(248,113,113,.15); color: var(--bad); }
.steps p { margin: 6px 0; }

/* 表格 */
.tbl { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; font-size: 13.5px; }
.tbl th, .tbl td { padding: 11px 13px; text-align: left; border-bottom: 1px solid var(--border); }
.tbl th { background: var(--surface-2); font-weight: 600; color: var(--muted); font-size: 12.5px; }
.tbl tr:last-child td { border-bottom: none; }
.key { font-size: 12px; }
.ops { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.inline { display: inline-flex; gap: 5px; align-items: center; }
.sm { padding: 4px 8px; font-size: 12px; background: #0d1326; border: 1px solid var(--border); border-radius: 7px; color: var(--text); width: 90px; }
.num { width: 60px; }
.sm-code { font-size: 11px; }

/* 表单 */
.form label { display: block; margin-bottom: 12px; font-size: 13.5px; color: var(--muted); }
.form input, .form textarea, .form select { display: block; width: 100%; margin-top: 5px; padding: 10px 13px; font-size: 14px;
  background: #0d1326; border: 1px solid var(--border); border-radius: 10px; color: var(--text); font-family: inherit; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--primary); }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.checks { display: flex; gap: 22px; align-items: flex-end; padding-bottom: 12px; }
.chk { display: flex !important; align-items: center; gap: 7px; color: var(--text) !important; }
.chk input { width: auto !important; display: inline; }
.sec-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.sec-head h2 { margin: 0; }

/* 认证页 */
.auth-box { max-width: 400px; margin: 70px auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; }
.auth-box h1 { text-align: center; }
.auth-box label { display: block; margin-bottom: 14px; font-size: 13.5px; color: var(--muted); }
.auth-box input { display: block; width: 100%; margin-top: 5px; padding: 11px 13px; background: #0d1326; border: 1px solid var(--border); border-radius: 10px; color: var(--text); font-size: 14px; }
.auth-box input:focus { outline: none; border-color: var(--primary); }
.auth-box .btn-primary { margin-top: 6px; padding: 12px; }
.alert { background: rgba(248,113,113,.12); border: 1px solid rgba(248,113,113,.3); color: var(--bad); border-radius: 10px; padding: 10px 14px; font-size: 13.5px; margin-bottom: 14px; }
.ok { background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.3); color: var(--ok); border-radius: 10px; padding: 10px 14px; font-size: 13.5px; margin-top: 20px; }

/* 后台导航 */
.admin-nav { display: flex; gap: 6px; margin-top: 30px; flex-wrap: wrap; }
.admin-nav a { padding: 8px 18px; border-radius: 10px; font-size: 14px; background: var(--surface); border: 1px solid var(--border); }
.admin-nav a.on { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; border-color: transparent; }

/* 页脚 */
.foot { text-align: center; color: var(--muted); font-size: 12.5px; padding: 30px 0; border-top: 1px solid var(--border); }

.doc-card { margin-top: 14px; }

@media (max-width: 640px) {
  .hero h1 { font-size: 30px; }
  .nav-links { gap: 10px; font-size: 13px; }
  .form .row2 { grid-template-columns: 1fr; }
  .tbl { display: block; overflow-x: auto; }
}

/* ===== v1.1 首页升级样式 ===== */
.hero2 { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; padding: 70px 0 30px; }
.badge-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--muted); font-size: 13px; }
.badge-pill .dot-g { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.hero2 .hero-title { font-size: 44px; line-height: 1.25; margin: 18px 0 14px; font-weight: 800; letter-spacing: -0.5px; }
.hero-title .grad { background: linear-gradient(120deg, #fff 30%, #a5b4fc); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero2 .hero-desc { color: var(--muted); font-size: 15.5px; line-height: 1.8; margin-bottom: 24px; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.hero-note { color: var(--muted); font-size: 13px; }
.btn-grad { background: linear-gradient(135deg, var(--primary), var(--primary-2)) !important; color: #fff !important; border: none !important; box-shadow: 0 4px 18px rgba(99,102,241,.35); }
.btn-grad:hover { filter: brightness(1.1); }

/* 代码演示窗口 */
.codewin { background: #0d1424; border: 1px solid var(--border); border-radius: 14px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.5); position: relative; }
.cw-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; background: rgba(255,255,255,.03); border-bottom: 1px solid var(--border); }
.cw-bar .dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.r { background: #ff5f57; } .dot.y { background: #febc2e; } .dot.g { background: #28c840; }
.cw-url { flex: 1; margin-left: 8px; background: rgba(255,255,255,.05); border-radius: 7px; padding: 5px 12px; font-size: 12px; color: var(--muted); font-family: monospace; }
.cw-status { font-size: 11px; color: var(--ok); border: 1px solid rgba(52,211,153,.4); border-radius: 6px; padding: 3px 8px; background: rgba(52,211,153,.1); }
.cw-body { padding: 18px 20px; font-family: monospace; font-size: 13.5px; line-height: 1.9; color: #cbd5e1; white-space: pre; overflow-x: auto; }
.cw-body .k { color: #818cf8; } .cw-body .s { color: #6ee7b7; } .cw-body .n { color: #fbbf24; }
.cw-ms { position: absolute; right: 14px; bottom: 12px; font-size: 11px; color: var(--muted); background: rgba(255,255,255,.05); padding: 3px 9px; border-radius: 6px; }

/* 统计条 */
.statbar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px 30px; margin: 30px 0 10px; }
.statbar .st { text-align: center; }
.statbar .st b { display: block; font-size: 24px; color: #fff; }
.statbar .st span { color: var(--muted); font-size: 12.5px; }

/* 区块通用 */
.center-sec { text-align: center; padding: 60px 0 10px; }
.sec-title { font-size: 30px; font-weight: 800; color: #fff; margin: 14px 0 8px; letter-spacing: -0.5px; }
.sec-sub { color: var(--muted); font-size: 14.5px; }
.narrow { max-width: 860px; margin: 0 auto; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.mode { padding: 22px 18px; }
.mode .mtag { display: inline-block; font-size: 11px; color: #a5b4fc; border: 1px solid rgba(99,102,241,.4); background: rgba(99,102,241,.12); border-radius: 6px; padding: 2px 8px; margin-bottom: 10px; }
.mode h3 { font-size: 16px; color: #fff; margin-bottom: 8px; }
.mode p { color: var(--muted); font-size: 13px; line-height: 1.7; }

/* FAQ */
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; margin-bottom: 12px; }
.faq summary { cursor: pointer; color: #fff; font-weight: 600; font-size: 15px; }
.faq details p { color: var(--muted); font-size: 13.5px; line-height: 1.8; margin-top: 10px; }

/* 接入指南 */
.guide-code { background: #0d1424; border: 1px solid var(--border); border-radius: 12px; padding: 18px 22px; font-family: monospace; font-size: 13.5px; color: #cbd5e1; white-space: pre; overflow-x: auto; text-align: left; }
.guide-code .k { color: #818cf8; } .guide-code .s { color: #6ee7b7; }

/* 页脚链接栏 */
.foot-links { display: flex; justify-content: center; gap: 22px; flex-wrap: wrap; margin-top: 24px; }
.foot-links a { color: var(--muted); font-size: 13px; }
.foot-links a:hover { color: #fff; }

@media (max-width: 900px) {
  .hero2 { grid-template-columns: 1fr; padding-top: 40px; }
  .hero2 .hero-title { font-size: 34px; }
  .statbar { grid-template-columns: repeat(2, 1fr); }
  .grid4 { grid-template-columns: repeat(2, 1fr); }
}

/* ===== v1.2 后台侧边栏布局 ===== */
.admin-body { overflow-x: hidden; }
.admin-shell { display: grid; grid-template-columns: 230px 1fr; min-height: 100vh; }
.side { background: #0c1120; border-right: 1px solid var(--border); padding: 24px 16px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.side .brand { margin-bottom: 30px; }
.side-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.side-nav a { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 10px; color: var(--muted); font-size: 14.5px; border: 1px solid transparent; }
.side-nav a:hover { background: rgba(255,255,255,.04); color: #fff; }
.side-nav a.on { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; box-shadow: 0 4px 16px rgba(99,102,241,.35); }
.side-nav a .s-ic { font-size: 16px; width: 20px; text-align: center; }
.side-foot { border-top: 1px solid var(--border); padding-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.side-user { display: flex; align-items: center; gap: 10px; }
.side-user b { display: block; font-size: 13.5px; color: #fff; }
.side-user small { color: var(--muted); font-size: 11.5px; }
.avatar { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; }
.side-out, .side-site { color: var(--muted); font-size: 12.5px; text-align: left; }
.side-out:hover, .side-site:hover { color: #fff; }
.admin-main { padding: 36px 40px; max-width: 1200px; }
.admin-main h1 { font-size: 26px; font-weight: 800; color: #fff; margin-bottom: 22px; }
.admin-main h2 { font-size: 17px; color: #e2e8f0; margin: 28px 0 12px; }
.admin-main .section { padding: 0; margin: 0; }
.admin-main .card { max-width: 680px; }
.admin-main .stats { grid-template-columns: repeat(4, minmax(150px, 220px)); }
@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; }
  .side-nav { flex-direction: row; flex-wrap: wrap; }
  .admin-main { padding: 24px 18px; }
  .admin-main .stats { grid-template-columns: repeat(2, 1fr); }
}