/* ═══════════════════════════════════════════════════
   AIGU Data API · 终端仪表设计系统 v8
   墨黑 × 琥珀 —— 金融终端仪器的现代诠释
   等宽数字 · 刻线分隔 · 精确反馈
   ═══════════════════════════════════════════════════ */
:root {
  --bg: #07090c;
  --bg-1: #0a0d11;
  --bg-2: #0e1216;
  --card: rgba(216,226,240,.032);
  --card-solid: #0c0f14;
  --border: rgba(216,226,240,.09);
  --border-2: rgba(216,226,240,.16);
  --text: #e9edf2;
  --text-2: #98a1ad;
  --text-3: #5d6570;
  --accent: #e8a33d;
  --accent-2: #f2c14e;
  --accent-3: #52c7d8;
  --grad: linear-gradient(135deg, #e8a33d, #f2c14e);
  --grad-h: linear-gradient(90deg, #e8a33d, #f2c14e);
  --glow: 0 0 40px rgba(232,163,61,.12);
  --glow-2: 0 0 80px rgba(232,163,61,.08);
  --green: #3ecf8e;
  --red: #f06a6a;
  --gold: #e8a33d;
  --cyan: #52c7d8;
  --ink: #171006;
  --font-display: 'SF Pro Display', -apple-system, 'PingFang SC', 'Microsoft YaHei UI', sans-serif;
  --font-body: -apple-system, 'PingFang SC', 'Microsoft YaHei UI', 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  --ease: cubic-bezier(.22,1,.36,1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { font-family: var(--font-body); background: var(--bg); color: var(--text);
  font-size: 15px; line-height: 1.72; -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility; overflow-x: hidden; }
a { color: var(--accent-2); text-decoration: none; transition: color .15s; }
a:hover { color: #ffd47f; }
::selection { background: rgba(232,163,61,.35); color: #fff; }
::scrollbar { width: 9px; } ::scrollbar-track { background: var(--bg); }
::scrollbar-thumb { background: rgba(216,226,240,.14); border-radius: 2px;
  border: 2px solid var(--bg); }
::scrollbar-thumb:hover { background: var(--accent); }
.wrap { max-width: 1128px; margin: 0 auto; padding: 0 28px; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ── 扫描线质感（极淡）── */
body::after { content: ''; position: fixed; inset: 0; z-index: 999; pointer-events: none;
  opacity: .05;
  background: repeating-linear-gradient(0deg, transparent 0 2px, rgba(0,0,0,.35) 2px 3px); }

/* ── 背景光：顶部琥珀微光 + 冷灰远光 ── */
.aurora { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.aurora i { position: absolute; border-radius: 50%; filter: blur(130px); opacity: .5; }
.aurora i:nth-child(1) { width: 720px; height: 500px; top: -260px; left: 12%;
  background: radial-gradient(ellipse, rgba(232,163,61,.13), transparent 70%); }
.aurora i:nth-child(2) { width: 560px; height: 560px; top: -180px; right: -180px;
  background: radial-gradient(circle, rgba(120,140,170,.08), transparent 70%); }
.aurora i:nth-child(3) { display: none; }

/* 网格底纹：工程坐标纸 */
.grid-bg { position: fixed; inset: 0; z-index: -1;
  background-image: linear-gradient(rgba(216,226,240,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216,226,240,.028) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 78% 54% at 50% 0%, #000 18%, transparent 74%); }

/* ── 滚动入场 ── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .07s; } .reveal[data-d="2"] { transition-delay: .14s; }
.reveal[data-d="3"] { transition-delay: .21s; } .reveal[data-d="4"] { transition-delay: .28s; }
.reveal[data-d="5"] { transition-delay: .35s; }

/* ── 导航 ── */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(7,9,12,.78); backdrop-filter: blur(18px) saturate(1.2);
  border-bottom: 1px solid transparent; transition: border-color .3s; }
.nav.scrolled { border-bottom-color: var(--border); }
.nav .in { display: flex; align-items: center; gap: 30px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display);
  font-size: 16px; font-weight: 700; letter-spacing: -.2px; color: var(--text); }
.brand .mark { width: 28px; height: 28px; border-radius: 4px; background: var(--grad);
  display: grid; place-items: center; font-size: 14px; font-weight: 900; color: var(--ink);
  box-shadow: 0 0 18px rgba(232,163,61,.35); }
.brand b { color: var(--text); font-weight: 700; }
.brand em { color: var(--text-3); font-style: normal; font-weight: 500; }
.nav a.nl { color: var(--text-2); font-size: 13px; font-weight: 500; position: relative;
  font-family: var(--font-mono); transition: color .2s; }
.nav a.nl::after { content: ''; position: absolute; bottom: -5px; left: 50%; right: 50%;
  height: 2px; background: var(--accent); transition: all .25s var(--ease); }
.nav a.nl:hover, .nav a.nl.on { color: var(--text); }
.nav a.nl:hover::after, .nav a.nl.on::after { left: 0; right: 0; }
.nav .sp { flex: 1; }

/* ── 按钮：琥珀实心 × 墨字，仪表开关手感 ── */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--grad); color: var(--ink); padding: 11px 24px;
  border-radius: 4px; font-weight: 700; font-size: 13.5px; border: none; cursor: pointer;
  font-family: var(--font-mono); letter-spacing: .3px; transition: all .18s var(--ease);
  box-shadow: 0 0 0 1px rgba(232,163,61,.4), 0 4px 18px rgba(232,163,61,.22); }
.btn:hover { background: linear-gradient(135deg, #f2b455, #ffd47f); transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(242,193,78,.6), 0 8px 26px rgba(232,163,61,.32); }
.btn:active { transform: translateY(0); box-shadow: 0 0 0 1px rgba(232,163,61,.4), 0 2px 8px rgba(232,163,61,.2); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(232,163,61,.35); }
.btn.ghost { background: rgba(216,226,240,.04); color: var(--text); border: 1px solid var(--border-2);
  box-shadow: none; }
.btn.ghost:hover { border-color: rgba(232,163,61,.55); color: var(--accent-2);
  background: rgba(232,163,61,.07); box-shadow: none; }
.btn.big { padding: 14px 34px; font-size: 14.5px; border-radius: 5px; }
.btn.sm { padding: 6.5px 14px; font-size: 12px; border-radius: 3px; }

/* ── Hero ── */
.hero { position: relative; padding: 156px 0 74px; text-align: center; }
.hero .status-pill { display: inline-flex; align-items: center; gap: 9px;
  background: rgba(232,163,61,.05); border: 1px solid rgba(232,163,61,.28); border-radius: 3px;
  padding: 6px 15px; font-size: 11.5px; color: var(--accent-2); margin-bottom: 30px;
  font-family: var(--font-mono); letter-spacing: 1.5px; }
.hero .status-pill .dot { width: 6px; height: 6px; border-radius: 1px; background: var(--green);
  box-shadow: 0 0 9px var(--green); animation: blink 2.2s steps(2) infinite; }
@keyframes blink { 50% { opacity: .3; } }
.hero h1 { font-family: var(--font-display); font-size: clamp(34px, 5.4vw, 56px);
  line-height: 1.14; letter-spacing: -.03em; margin-bottom: 22px; font-weight: 800; }
.hero h1 .grad { background: linear-gradient(120deg, #ffe4ad 5%, #f2c14e 50%, #e8a33d 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .sub { color: var(--text-2); font-size: 15.5px; max-width: 660px; margin: 0 auto 34px;
  line-height: 1.95; }
.hero .cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* 行情 tape：LED 报价条 */
.tape { display: flex; gap: 10px; justify-content: center; margin-top: 46px; flex-wrap: wrap; }
.tape .t { background: var(--bg-1); border: 1px solid var(--border); border-radius: 3px;
  padding: 10px 16px; font-size: 13px; display: flex; gap: 10px; align-items: baseline;
  transition: border-color .2s; }
.tape .t:hover { border-color: rgba(232,163,61,.4); }
.tape .nm { color: var(--text-3); font-size: 11.5px; }
.tape .up { color: var(--red); font-weight: 700; font-family: var(--font-mono);
  font-variant-numeric: tabular-nums; font-size: 14px; }
.tape .up::before { content: '▲ '; font-size: 10px; }
.tape .dn { color: var(--green); font-weight: 700; font-family: var(--font-mono);
  font-variant-numeric: tabular-nums; font-size: 14px; }
.tape .dn::before { content: '▼ '; font-size: 10px; }

/* ── 终端窗口：扫描线 CRT ── */
.term { background: #06080b; border: 1px solid var(--border-2); border-radius: 6px;
  max-width: 800px; margin: 52px auto 0; overflow: hidden; position: relative;
  box-shadow: 0 30px 90px rgba(0,0,0,.6), var(--glow); }
.term::before { content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(232,163,61,.02) 3px 4px); }
.term::after { content: ''; position: absolute; top: 0; left: 10%; right: 10%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232,163,61,.7), transparent); }
.term .bar { display: flex; align-items: center; gap: 7px; padding: 11px 16px;
  background: rgba(216,226,240,.03); border-bottom: 1px solid var(--border); }
.term .bar i { width: 9px; height: 9px; border-radius: 2px; background: #22262e; }
.term .bar i:nth-child(1) { background: var(--red); } .term .bar i:nth-child(2) { background: var(--accent); } .term .bar i:nth-child(3) { background: var(--green); }
.term .bar span { color: var(--text-3); font-size: 11px; margin-left: 10px;
  font-family: var(--font-mono); letter-spacing: .5px; }
.term pre { padding: 20px 24px; color: #b9c2ce; font-size: 12.5px; line-height: 1.85;
  font-family: var(--font-mono); overflow-x: auto; text-align: left; }
.tc { color: #4d5563; } .tk { color: var(--accent-2); } .ts { color: #8fd4a8; } .tn { color: #e8c98a; }

/* ── 指标：仪表读数 ── */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--border); border: 1px solid var(--border); border-radius: 6px;
  overflow: hidden; margin: 60px 0; position: relative; }
.metrics .m { background: var(--bg-1); padding: 28px 10px 24px; text-align: center;
  position: relative; transition: background .25s; }
.metrics .m:hover { background: var(--bg-2); }
.metrics .m::after { content: ''; position: absolute; top: 0; left: 22%; right: 22%; height: 2px;
  background: var(--accent); opacity: 0; transition: opacity .25s; }
.metrics .m:hover::after { opacity: .85; }
.metrics b { display: block; font-family: var(--font-mono); font-size: 31px; font-weight: 700;
  letter-spacing: -.02em; font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #fff 30%, #ecc987 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.metrics span { color: var(--text-3); font-size: 11.5px; letter-spacing: 1px;
  font-family: var(--font-mono); }
@media (max-width: 720px) { .metrics { grid-template-columns: 1fr 1fr; } }

/* ── 区块：仪表铭牌式标题 ── */
.sec { padding: 66px 0; }
.sec-h { text-align: center; margin-bottom: 46px; }
.sec-h .kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 11px;
  font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase; color: var(--accent);
  font-family: var(--font-mono); margin-bottom: 15px; }
.sec-h .kicker::before { content: '// '; color: var(--text-3); }
.sec-h h2 { font-family: var(--font-display); font-size: 29px; letter-spacing: -.02em; font-weight: 750; }
.sec-h p { color: var(--text-3); font-size: 14px; margin-top: 8px; }

/* ── 卡片：面板 + 角标刻度 ── */
.g-card { position: relative; background: var(--card); border: 1px solid var(--border);
  border-radius: 6px; padding: 26px; transition: all .25s var(--ease); }
.g-card::before { content: ''; position: absolute; inset: -1px; border-radius: 7px; padding: 1px;
  background: linear-gradient(135deg, rgba(232,163,61,.5), rgba(232,163,61,.06) 45%, transparent 70%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
  transition: opacity .3s; opacity: 0; }
.g-card::after { content: '+'; position: absolute; top: -8px; right: -4px;
  font-family: var(--font-mono); font-size: 13px; color: var(--accent);
  opacity: 0; transition: opacity .25s; line-height: 1; }
.g-card:hover { transform: translateY(-2px); border-color: rgba(232,163,61,.32);
  box-shadow: 0 16px 44px rgba(0,0,0,.42), var(--glow); }
.g-card:hover::before { opacity: 1; }
.g-card:hover::after { opacity: .8; }

/* 接口网格 */
.api-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1020px) { .api-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .api-grid { grid-template-columns: 1fr; } }
.api-card .ic { width: 46px; height: 46px; border-radius: 5px; overflow: hidden;
  margin-bottom: 15px; position: relative;
  box-shadow: 0 0 0 1px rgba(232,163,61,.22), 0 4px 16px rgba(232,163,61,.14);
  transition: transform .3s var(--ease); }
.api-card .ic img { width: 100%; height: 100%; object-fit: cover; display: block; }
.api-card:hover .ic { transform: translateY(-2px) scale(1.04); }
.api-card h3 { font-size: 15px; margin-bottom: 6px; font-weight: 650; }
.api-card p { color: var(--text-2); font-size: 13px; line-height: 1.65; margin-bottom: 14px; min-height: 43px; }
.method { display: inline-flex; align-items: center; gap: 8px; background: rgba(216,226,240,.04);
  border: 1px solid var(--border); color: var(--text-2); font-family: var(--font-mono);
  font-variant-numeric: tabular-nums; font-size: 11.5px; padding: 5px 11px; border-radius: 3px; }
.method::before { content: '▸'; color: var(--accent); font-size: 10px; }
.method b { color: var(--green); font-size: 10.5px; letter-spacing: .8px; }
.method.ws b { color: var(--cyan); }

/* 三步 */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 720px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; overflow: hidden; }
.step .no { font-family: var(--font-mono); font-size: 42px; font-weight: 700;
  background: linear-gradient(180deg, rgba(232,163,61,.4), transparent 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1;
  position: absolute; top: 16px; right: 18px; }
.step h3 { font-size: 16px; margin: 16px 0 6px; font-weight: 650; }
.step p { color: var(--text-2); font-size: 13.5px; }

/* ── 定价 ── */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
@media (max-width: 880px) { .price-grid { grid-template-columns: 1fr; } }
.pcard { background: var(--card); border-radius: 6px; padding: 34px 30px; position: relative;
  display: flex; flex-direction: column;
  border: 1px solid var(--border); transition: all .25s var(--ease); }
.pcard:hover { transform: translateY(-3px); border-color: var(--border-2);
  box-shadow: 0 18px 52px rgba(0,0,0,.45); }
.pcard.hot { border: 1px solid rgba(232,163,61,.5);
  background: linear-gradient(var(--card-solid), var(--card-solid)) padding-box;
  box-shadow: 0 18px 60px rgba(232,163,61,.1), var(--glow); }
.pcard.hot:hover { transform: translateY(-3px); }
.pcard .tag { position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: var(--ink); font-size: 10.5px; font-weight: 800;
  letter-spacing: 1.5px; padding: 4px 16px; border-radius: 3px; white-space: nowrap;
  font-family: var(--font-mono); box-shadow: 0 4px 14px rgba(232,163,61,.4); }
.pcard h3 { color: var(--text-2); font-size: 12.5px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; font-family: var(--font-mono); }
.pcard .pr { font-family: var(--font-mono); font-size: 42px; font-weight: 700;
  letter-spacing: -.03em; margin: 14px 0 0; font-variant-numeric: tabular-nums; }
.pcard .pr small { font-size: 13.5px; color: var(--text-3); font-weight: 400; letter-spacing: 0; }
.pcard .desc { color: var(--text-3); font-size: 12.5px; margin-bottom: 14px; }
.pcard ul { list-style: none; margin: 16px 0 24px; flex: 1; }
.pcard li { padding: 9px 0; color: var(--text-2); font-size: 13.5px;
  border-bottom: 1px dashed rgba(216,226,240,.09); display: flex; gap: 10px; }
.pcard li:last-child { border-bottom: none; }
.pcard li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }
.pcard li.plus { color: var(--text); }
.pcard li.plus::before { content: '★'; color: var(--accent); }

/* ── CTA & Footer ── */
.final-cta { position: relative; text-align: center; padding: 70px 30px; border-radius: 6px;
  background: radial-gradient(ellipse 90% 130% at 50% -35%, rgba(232,163,61,.1), transparent 60%), var(--bg-1);
  border: 1px solid var(--border); margin: 56px 0; overflow: hidden; }
.final-cta::before { content: ''; position: absolute; top: -1px; left: 22%; right: 22%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232,163,61,.8), transparent); }
.final-cta h2 { font-family: var(--font-display); font-size: 28px; letter-spacing: -.02em;
  margin-bottom: 8px; font-weight: 750; }
.final-cta p { color: var(--text-2); font-size: 14.5px; margin-bottom: 26px; }
footer { border-top: 1px solid var(--border); padding: 34px 0 30px; background: var(--bg-1); }
.foot { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.status { display: flex; align-items: center; gap: 8px; color: var(--text-2); font-size: 12px;
  font-family: var(--font-mono); letter-spacing: .5px; }
.dot-g { width: 7px; height: 7px; border-radius: 2px; background: var(--green);
  box-shadow: 0 0 0 3px rgba(62,207,142,.12), 0 0 10px var(--green);
  animation: blink 2.2s steps(2) infinite; }
.foot .sp { flex: 1; }
.foot, .foot a { color: var(--text-3); font-size: 12.5px; }
.foot a:hover { color: var(--accent-2); }

/* ═══ 文档页 ═══ */
.doc-layout { display: grid; grid-template-columns: 226px 1fr; gap: 46px; padding: 46px 0 100px; }
@media (max-width: 880px) { .doc-layout { grid-template-columns: 1fr; } .doc-toc { display: none; } }
.doc-toc { position: sticky; top: 88px; align-self: start; max-height: calc(100vh - 114px); overflow-y: auto; }
.doc-toc .cap { color: var(--text-3); font-size: 10.5px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; margin: 20px 0 8px; font-family: var(--font-mono); }
.doc-toc a { display: block; color: var(--text-2); font-size: 13px; padding: 5px 14px;
  border-left: 2px solid transparent; border-radius: 0 3px 3px 0; transition: all .18s;
  font-family: var(--font-mono); font-size: 12.5px; }
.doc-toc a:hover { color: var(--text); background: rgba(216,226,240,.04); }
.doc-toc a.on { color: var(--accent); border-left-color: var(--accent); background: rgba(232,163,61,.07); }
.doc-body h1 { font-family: var(--font-display); font-size: 30px; letter-spacing: -.02em; margin-bottom: 10px; font-weight: 750; }
.doc-body h2 { font-size: 20px; margin: 46px 0 14px; padding-top: 22px; font-weight: 700;
  letter-spacing: -.01em; border-top: 1px solid var(--border); scroll-margin-top: 90px; }
.doc-body h2:first-of-type { border-top: none; padding-top: 0; }
.doc-body h2 .anchor { color: var(--text-3); font-size: 14px; margin-left: 8px; opacity: 0; transition: opacity .2s; }
.doc-body h2:hover .anchor { opacity: 1; }
.doc-body p.note { color: var(--text-2); font-size: 14px; margin: 8px 0; }
.doc-body .lead { color: var(--text-2); font-size: 15px; margin-bottom: 24px; }
code.ic { background: rgba(232,163,61,.09); color: #f2c877; padding: 2px 8px; border-radius: 3px;
  font-size: 12.5px; font-family: var(--font-mono); border: 1px solid rgba(232,163,61,.18); }
pre.code { background: #06080b; border: 1px solid var(--border); color: #b9c2ce;
  border-radius: 5px; padding: 17px 19px; font-size: 12.5px; line-height: 1.8;
  font-family: var(--font-mono); overflow-x: auto; margin: 12px 0 20px; text-align: left; }
.tabs { display: flex; gap: 6px; margin-bottom: -1px; position: relative; z-index: 2; }
.tab { background: var(--bg-2); color: var(--text-3); border: 1px solid var(--border); border-bottom: none;
  padding: 7px 17px; font-size: 12px; font-family: var(--font-mono); border-radius: 4px 4px 0 0;
  cursor: pointer; transition: all .15s; }
.tab.on { color: var(--accent); background: #06080b; border-color: var(--border-2);
  box-shadow: inset 0 2px 0 var(--accent); }
table.params { width: 100%; border-collapse: collapse; margin: 12px 0 20px; font-size: 13px;
  background: rgba(216,226,240,.025); border: 1px solid var(--border); border-radius: 5px; overflow: hidden; }
table.params th { background: rgba(216,226,240,.045); color: var(--accent); font-size: 10.5px;
  letter-spacing: 1.5px; text-transform: uppercase; padding: 10px 15px; text-align: left;
  font-family: var(--font-mono); font-weight: 600; }
table.params td { padding: 10px 15px; border-top: 1px solid var(--border); color: var(--text-2); vertical-align: top; }
table.params tr:hover td { background: rgba(232,163,61,.03); }
table.params td:first-child { font-family: var(--font-mono); color: #f2c877; font-size: 12px; white-space: nowrap; }
table.params .req { color: var(--red); font-size: 10px; font-weight: 700; }
table.params .opt { color: var(--text-3); font-size: 10px; }
.tag-error { display: inline-block; font-family: var(--font-mono); font-size: 11.5px; font-weight: 700;
  padding: 2px 9px; border-radius: 3px; }
.e4xx { background: rgba(240,106,106,.10); color: var(--red); }
.e5xx { background: rgba(232,163,61,.10); color: var(--accent-2); }
.callout { border-radius: 4px; padding: 14px 17px; margin: 16px 0; font-size: 13.5px;
  border: 1px solid; border-left-width: 3px; display: flex; gap: 12px; align-items: flex-start; }
.callout .ci { font-size: 15px; flex-shrink: 0; margin-top: 1px; }
.callout.info { background: rgba(232,163,61,.04); border-color: rgba(232,163,61,.2);
  border-left-color: var(--accent); color: var(--text-2); }
.callout.warn { background: rgba(240,106,106,.04); border-color: rgba(240,106,106,.2);
  border-left-color: var(--red); color: var(--text-2); }
.callout b { color: var(--text); }
.faq-item { border: 1px solid var(--border); border-radius: 4px; margin-bottom: 9px;
  background: rgba(216,226,240,.025); overflow: hidden; transition: border-color .2s; }
.faq-item.open { border-color: rgba(232,163,61,.32); }
.faq-q { padding: 14px 19px; cursor: pointer; font-weight: 600; font-size: 14px;
  display: flex; justify-content: space-between; align-items: center; }
.faq-q::before { content: '▸ '; color: var(--accent); font-size: 12px; }
.faq-q::after { content: '+'; color: var(--text-3); font-size: 19px; }
.faq-item.open .faq-q::after { content: '−'; }
.faq-a { display: none; padding: 0 19px 17px; color: var(--text-2); font-size: 13.5px; }
.faq-item.open .faq-a { display: block; }
.playground { background: rgba(216,226,240,.025); border: 1px solid var(--border-2); border-radius: 6px;
  padding: 22px; margin: 18px 0; }
.playground .row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.playground input, .playground select { background: var(--bg-2); border: 1px solid var(--border-2);
  color: var(--text); padding: 10px 14px; border-radius: 4px; font-size: 13.5px;
  font-family: var(--font-mono); transition: all .15s; }
.playground input { flex: 1; min-width: 150px; }
.playground input:focus, .playground select:focus { outline: none;
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,163,61,.14); }
.playground pre { margin-top: 16px; max-height: 320px; overflow: auto; }

/* ═══ 登录/控制台 ═══ */
.auth-split { display: grid; grid-template-columns: 1.15fr 1fr; min-height: 100vh; }
@media (max-width: 880px) { .auth-split { grid-template-columns: 1fr; } .auth-left { display: none !important; } }
.auth-left { position: relative; padding: 64px 58px; display: flex; flex-direction: column;
  justify-content: center; background: radial-gradient(ellipse 70% 50% at 18% 8%, rgba(232,163,61,.07), transparent 62%), var(--bg-1);
  border-right: 1px solid var(--border); overflow: hidden; }
.auth-left::before { content: ''; position: absolute; top: -1px; left: 14%; right: 14%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232,163,61,.7), transparent); }
.auth-left h2 { font-family: var(--font-display); font-size: 30px; line-height: 1.3;
  margin: 20px 0 12px; letter-spacing: -.025em; font-weight: 750; }
.auth-left h2 .grad { background: linear-gradient(120deg, #ffe4ad, #f2c14e 60%, #e8a33d);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.auth-left > p { color: var(--text-2); font-size: 14.5px; max-width: 440px; }
.auth-points { margin-top: 38px; display: grid; gap: 20px; }
.auth-pt { display: flex; gap: 15px; align-items: flex-start; }
.auth-pt .ico { width: 40px; height: 40px; border-radius: 5px; flex-shrink: 0;
  background: rgba(232,163,61,.06); border: 1px solid rgba(232,163,61,.25);
  display: grid; place-items: center; }
.auth-pt b { display: block; font-size: 14.5px; }
.auth-pt span { color: var(--text-3); font-size: 12.5px; }
.auth-right { display: flex; align-items: center; justify-content: center; padding: 40px 28px;
  background: var(--bg); }
.auth-form { width: 100%; max-width: 400px; }
.auth-form h3 { font-family: var(--font-display); font-size: 25px; letter-spacing: -.02em; margin-bottom: 4px; font-weight: 750; }
.auth-form .sub { color: var(--text-3); font-size: 13px; margin-bottom: 26px; }
.auth-form label { font-size: 12.5px; color: var(--text-2); font-weight: 600; display: block; margin-bottom: 5px;
  font-family: var(--font-mono); letter-spacing: .5px; }
.auth-form input { width: 100%; background: var(--bg-2); border: 1px solid var(--border-2);
  color: var(--text); padding: 12px 15px; border-radius: 4px; margin-bottom: 16px;
  font-size: 14px; font-family: inherit; transition: all .15s; }
.auth-form input:focus { outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,163,61,.12); }
.msg { background: rgba(240,106,106,.05); border: 1px solid rgba(240,106,106,.24); color: var(--red);
  padding: 11px 15px; border-radius: 4px; margin-bottom: 14px; font-size: 13px;
  font-family: var(--font-mono); }
.msg.ok { background: rgba(62,207,142,.05); border-color: rgba(62,207,142,.24); color: var(--green); }
.divider { display: flex; align-items: center; gap: 14px; color: var(--text-3); font-size: 12px; margin: 20px 0; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
/* 控制台 */
.console { padding: 102px 0 100px; }
.console h1 { font-family: var(--font-display); font-size: 27px; letter-spacing: -.02em; margin-bottom: 6px; font-weight: 750; }
.tier-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 700;
  padding: 3.5px 12px; border-radius: 3px; background: rgba(232,163,61,.08);
  color: var(--accent); border: 1px solid rgba(232,163,61,.3);
  font-family: var(--font-mono); letter-spacing: 1px; }
.tier-chip.trial { background: rgba(240,106,106,.06); color: var(--red); border-color: rgba(240,106,106,.28); }
.cgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; margin: 22px 0; }
@media (max-width: 880px) { .cgrid { grid-template-columns: 1fr 1fr; } }
.cstat { background: var(--bg-1); border: 1px solid var(--border); border-radius: 5px;
  padding: 18px 20px; position: relative; }
.cstat::before { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%;
  background: var(--accent); opacity: .5; }
.cstat .v { font-family: var(--font-mono); font-size: 25px; font-weight: 700;
  letter-spacing: -.02em; font-variant-numeric: tabular-nums; color: var(--text); }
.cstat .v.brand { color: var(--accent); }
.cstat .l { font-size: 11px; color: var(--text-3); margin-top: 3px;
  font-family: var(--font-mono); letter-spacing: .5px; }
.cpanel { background: var(--bg-1); border: 1px solid var(--border); border-radius: 6px;
  padding: 26px; margin-bottom: 18px; }
.cpanel > h2 { font-size: 15.5px; font-weight: 650; margin-bottom: 17px;
  display: flex; align-items: center; gap: 10px; letter-spacing: .3px; }
.keybox { background: var(--bg-2); border: 1px solid var(--border-2); padding: 13px 16px;
  border-radius: 4px; font-family: var(--font-mono); font-size: 13.5px; margin: 8px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.badge { font-size: 10px; padding: 2.5px 9px; border-radius: 2px;
  background: rgba(62,207,142,.09); color: var(--green);
  font-family: var(--font-mono); letter-spacing: .5px; }
.badge.off { background: rgba(240,106,106,.09); color: var(--red); }
.copy { cursor: pointer; color: var(--text-3); font-size: 11px; user-select: none; padding: 3px 10px;
  border: 1px solid var(--border-2); border-radius: 3px; background: var(--bg-2);
  font-family: var(--font-mono); transition: all .15s; }
.copy:hover { color: var(--accent); border-color: rgba(232,163,61,.5); }
.ep-banner { background: rgba(232,163,61,.05); border: 1px solid rgba(232,163,61,.28);
  border-radius: 5px; padding: 20px 22px; }
.ep-banner .lbl { font-size: 10.5px; color: var(--text-3); margin-bottom: 4px; letter-spacing: 1.5px;
  text-transform: uppercase; font-family: var(--font-mono); }
.ep-banner .url { font-family: var(--font-mono); font-size: 16px; color: var(--accent-2);
  word-break: break-all; }
.bar { height: 6px; background: var(--bg-2); border-radius: 2px; overflow: hidden; margin: 10px 0 4px; }
.bar i { display: block; height: 100%; background: var(--grad); transition: width .8s var(--ease); }
.quick-start { display: grid; gap: 11px; }
.qs-step { display: flex; gap: 13px; align-items: flex-start; padding: 15px;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 4px; }
.qs-step .no { font-family: var(--font-mono); font-weight: 700; color: var(--accent); font-size: 13px;
  background: rgba(232,163,61,.08); width: 30px; height: 30px; border-radius: 3px;
  display: grid; place-items: center; flex-shrink: 0; }
.qs-step p { font-size: 13px; color: var(--text-2); }
.qs-step p code { color: var(--accent-2); font-family: var(--font-mono); font-size: 12px; }
/* 弹窗 */
.mask { position: fixed; inset: 0; background: rgba(3,4,6,.82); backdrop-filter: blur(8px); z-index: 60;
  display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal { background: var(--card-solid); border: 1px solid var(--border-2); border-radius: 6px;
  padding: 32px; max-width: 460px; width: 100%; position: relative;
  box-shadow: 0 32px 100px rgba(0,0,0,.65), var(--glow); }
.modal::before { content: ''; position: absolute; top: -1px; left: 15%; right: 15%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232,163,61,.8), transparent); }
.modal h3 { margin-bottom: 6px; font-size: 19px; font-family: var(--font-display); font-weight: 750; }
.modal .row { display: flex; gap: 9px; margin: 14px 0; }
.seg { flex: 1; text-align: center; padding: 10px; border: 1px solid var(--border-2);
  border-radius: 3px; cursor: pointer; font-size: 13px; color: var(--text-2);
  transition: all .15s; background: var(--bg-2); font-family: var(--font-mono); }
.seg.on { border-color: var(--accent); color: var(--accent);
  background: rgba(232,163,61,.08); font-weight: 700; }
.modal .total { font-size: 30px; font-weight: 700; margin: 15px 0 2px;
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  background: linear-gradient(120deg, #ffe4ad, #e8a33d);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.modal .hint { font-size: 11.5px; color: var(--text-3); margin-bottom: 15px; }

/* ── 内联功能图标 ── */
.h-ic { width: 18px; height: 18px; color: var(--accent); flex-shrink: 0; }
.auth-pt .ico .h-ic { width: 20px; height: 20px; }
.cpanel > h2 .h-ic { width: 18px; height: 18px; }

/* ── 响应式 ── */
@media (max-width: 600px) {
  .wrap { padding: 0 20px; }
  .hero { padding: 128px 0 58px; }
  .sec { padding: 52px 0; }
}