/* site.css — 德扑训练场落地页样式（延续产品深绿毛毡 + 黄铜金暗色美学）
 * 移动端优先；纯手写、零外部资源；系统字体栈。 */

:root {
  --bg: #101613; --bg-deep: #0b100d;
  --surface: #1a221e; --surface2: #222d27; --line: #2e3b34;
  --ink: #ece7da; --ink-dim: #a3b3a8; --ink-faint: #8a9c90; /* ≥4.9:1 于全部深色背景（WCAG AA） */
  --brass: #d4a94f; --brass-deep: #a87f2e; --brass-soft: rgba(212, 169, 79, .16);
  --good: #62b97e; --bad: #d06363;
  --felt: #1c4534; --felt-dark: #143526; --felt-glow: #276048;
  --rail: #46311d; --rail-hi: #6b4a2b;
  --font-display: Georgia, 'Times New Roman', 'Songti SC', 'SimSun', serif;
  --font-ui: -apple-system, 'Segoe UI', system-ui, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-num: ui-monospace, 'SF Mono', Consolas, Menlo, monospace;
  --radius: 10px;
  --maxw: 1060px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: radial-gradient(120% 90% at 50% 0%, var(--bg) 55%, var(--bg-deep) 100%);
  color: var(--ink); font-family: var(--font-ui);
  font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brass); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }
button { font-family: inherit; font-size: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 18px; }
.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--brass); color: #26200f;
  padding: 8px 14px; border-radius: 0 0 8px 0; z-index: 99; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ---------- 顶栏 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(16, 22, 19, .92); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 14px; height: 58px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; }
.brand b { font-family: var(--font-display); font-size: 18px; letter-spacing: .05em; color: var(--brass); font-weight: 600; }
.brand small { display: none; color: var(--ink-faint); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.site-nav a { color: var(--ink-dim); font-size: 14px; padding: 6px 10px; border-radius: 7px; }
.site-nav a:hover { color: var(--ink); background: var(--surface); text-decoration: none; }
.site-nav .nav-extra { display: none; }
.lang-switch { color: var(--ink-faint); border: 1px solid var(--line); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; text-align: center; border-radius: 9px; padding: 12px 26px;
  font-size: 16px; font-weight: 600; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); transition: transform .08s, box-shadow .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); border-color: var(--brass-deep); }
.btn-primary {
  background: linear-gradient(180deg, #e4bc61, var(--brass)); color: #26200f; border-color: var(--brass);
  box-shadow: 0 2px 14px rgba(212, 169, 79, .35);
}
.btn-primary:hover { box-shadow: 0 4px 20px rgba(212, 169, 79, .5); }
.btn-ghost { background: transparent; border-color: var(--brass-deep); color: var(--brass); }
.btn-sm { padding: 7px 16px; font-size: 14px; border-radius: 7px; }

/* ---------- 英雄区 ---------- */
.hero {
  position: relative; overflow: hidden; text-align: center;
  padding: 64px 0 30px;
  background:
    radial-gradient(90% 70% at 50% -10%, var(--felt-glow) 0%, var(--felt) 38%, transparent 78%),
    radial-gradient(120% 90% at 50% 0%, var(--bg) 55%, var(--bg-deep) 100%);
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(45deg, rgba(255, 255, 255, .012) 0 2px, transparent 2px 6px);
}
.hero .wrap { position: relative; }
.hero-kicker {
  display: inline-block; font-size: 13px; letter-spacing: .18em; color: var(--brass);
  border: 1px solid var(--brass-deep); border-radius: 999px; padding: 4px 14px;
  background: var(--brass-soft); margin-bottom: 18px;
}
.hero h1 {
  font-family: var(--font-display); font-weight: 600; color: var(--ink);
  font-size: clamp(28px, 6vw, 46px); line-height: 1.25; letter-spacing: .02em;
  max-width: 21em; margin: 0 auto 14px;
}
.hero h1 em { font-style: normal; color: var(--brass); }
.hero-sub { color: var(--ink-dim); font-size: clamp(15px, 2.5vw, 18px); max-width: 36em; margin: 0 auto 26px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 10px; }
.hero-note { color: var(--ink-faint); font-size: 13px; margin-bottom: 34px; }
.hero-shot {
  border-radius: 12px; border: 1px solid var(--rail-hi);
  box-shadow: 0 0 0 4px var(--rail), 0 18px 60px rgba(0, 0, 0, .55);
  margin: 0 auto; max-width: 880px;
}

/* ---------- 通用 section ---------- */
section { padding: 58px 0; }
.section-alt { background: linear-gradient(180deg, var(--bg-deep), var(--bg)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 40em; margin: 0 auto 34px; }
.section-head h2 { font-family: var(--font-display); font-size: clamp(22px, 4vw, 30px); font-weight: 600; letter-spacing: .03em; margin-bottom: 10px; }
.section-head h2::after { content: ''; display: block; width: 46px; height: 2px; background: var(--brass); margin: 12px auto 0; }
.section-head p { color: var(--ink-dim); }

/* ---------- 三栏卖点 ---------- */
.features { display: grid; gap: 16px; grid-template-columns: 1fr; }
.feature {
  background: linear-gradient(180deg, var(--surface2), var(--surface));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px;
}
.feature .icon {
  width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  background: var(--brass-soft); border: 1px solid var(--brass-deep); margin-bottom: 14px;
  color: var(--brass); font-size: 22px; font-family: var(--font-num);
}
.feature h3 { font-size: 18px; margin-bottom: 8px; color: var(--ink); }
.feature p { color: var(--ink-dim); font-size: 14.5px; }

/* ---------- 截图区 ---------- */
.shots { display: grid; gap: 22px; grid-template-columns: 1fr; }
.shots figure { margin: 0; }
.shots img {
  border-radius: 10px; border: 1px solid var(--line);
  box-shadow: 0 10px 34px rgba(0, 0, 0, .45);
}
.shots figcaption { color: var(--ink-faint); font-size: 13.5px; margin-top: 10px; text-align: center; }

/* ---------- 对比表 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table.compare { width: 100%; border-collapse: collapse; min-width: 520px; font-size: 15px; }
.compare caption { position: absolute; left: -9999px; }
.compare th, .compare td { padding: 13px 16px; text-align: center; border-bottom: 1px solid var(--line); }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: none; }
.compare thead th { background: var(--surface2); color: var(--ink); font-size: 15px; }
.compare tbody th { text-align: left; font-weight: 500; color: var(--ink-dim); white-space: nowrap; }
.compare .col-pro { background: rgba(212, 169, 79, .07); }
.compare thead .col-pro { color: var(--brass); }
.compare .yes { color: var(--good); font-weight: 600; }
.compare .no { color: var(--ink-faint); }
.compare .price { font-family: var(--font-num); color: var(--brass); font-weight: 600; }
.compare .price small { display: block; color: var(--ink-faint); font-weight: 400; }
.pricing-cta { text-align: center; margin-top: 26px; }
.pricing-cta .fine { color: var(--ink-faint); font-size: 13px; margin-top: 12px; }

/* ---------- 传播点两卡 ---------- */
.viral { display: grid; gap: 16px; grid-template-columns: 1fr; }
.viral article {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px;
  background:
    radial-gradient(120% 130% at 85% -20%, var(--felt-glow) 0%, transparent 55%),
    linear-gradient(180deg, var(--surface2), var(--surface));
}
.viral h3 { font-family: var(--font-display); font-size: 20px; color: var(--brass); margin-bottom: 10px; letter-spacing: .03em; }
.viral p { color: var(--ink-dim); font-size: 14.5px; margin-bottom: 8px; }
.viral ul { list-style: none; margin-top: 12px; }
.viral li { color: var(--ink-dim); font-size: 14.5px; padding-left: 18px; position: relative; margin-bottom: 6px; }
.viral li::before { content: '›'; position: absolute; left: 2px; color: var(--brass); }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; margin: 0 auto; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin-bottom: 10px; }
.faq summary {
  cursor: pointer; padding: 15px 18px; font-weight: 600; font-size: 15.5px; color: var(--ink);
  list-style: none; position: relative; padding-right: 40px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 18px; top: 13px; color: var(--brass); font-size: 20px; font-family: var(--font-num); }
.faq details[open] summary::after { content: '−'; }
.faq details[open] summary { border-bottom: 1px solid var(--line); }
.faq .a { padding: 14px 18px 16px; color: var(--ink-dim); font-size: 14.5px; }
.faq .a p + p { margin-top: 8px; }

/* ---------- 尾部 CTA 带 ---------- */
.final-cta {
  text-align: center;
  background: radial-gradient(80% 120% at 50% 0%, var(--felt) 0%, var(--felt-dark) 60%, var(--bg-deep) 100%);
  border-top: 2px solid var(--rail-hi);
}
.final-cta h2 { font-family: var(--font-display); font-size: clamp(22px, 4vw, 30px); margin-bottom: 10px; }
.final-cta p { color: var(--ink-dim); margin-bottom: 24px; }

/* ---------- 页脚 ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 34px 0 44px; background: var(--bg-deep); }
.site-footer .wrap { display: flex; flex-direction: column; gap: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 14px; }
.footer-links a { color: var(--ink-dim); }
.footer-legal { color: var(--ink-faint); font-size: 12.5px; max-width: 56em; }
.footer-legal strong { color: var(--ink-dim); font-weight: 600; }

/* ---------- 正文页（隐私/条款） ---------- */
.doc { max-width: 760px; margin: 0 auto; padding: 46px 18px 70px; }
.doc h1 { font-family: var(--font-display); font-size: 28px; margin-bottom: 6px; }
.doc .doc-meta { color: var(--ink-faint); font-size: 13px; margin-bottom: 28px; }
.doc h2 { font-size: 19px; margin: 28px 0 10px; color: var(--brass); }
.doc p, .doc li { color: var(--ink-dim); font-size: 15px; margin-bottom: 10px; }
.doc ul { padding-left: 22px; }
.doc .notice {
  border: 1px solid var(--brass-deep); border-radius: var(--radius); background: var(--brass-soft);
  padding: 14px 16px; color: var(--ink); font-size: 14.5px; margin: 18px 0;
}

/* ---------- 404 ---------- */
.err-page { min-height: 70vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 40px 18px; }
.err-page .code { font-family: var(--font-num); font-size: 72px; color: var(--brass); line-height: 1; margin-bottom: 12px; }
.err-page h1 { font-family: var(--font-display); font-size: 24px; margin-bottom: 10px; }
.err-page p { color: var(--ink-dim); margin-bottom: 24px; }

/* ---------- 提示条（支付演示模式等） ---------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  max-width: min(92vw, 560px); z-index: 60;
  background: var(--surface2); border: 1px solid var(--brass-deep); border-radius: 10px;
  color: var(--ink); font-size: 14px; padding: 12px 40px 12px 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
}
.toast .toast-close { position: absolute; right: 8px; top: 6px; color: var(--ink-faint); font-size: 18px; padding: 2px 8px; }
.toast .toast-close:hover { color: var(--ink); }

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .brand small { display: inline; }
  .site-nav .nav-extra { display: inline-block; }
  .features { grid-template-columns: repeat(3, 1fr); }
  .viral { grid-template-columns: 1fr 1fr; }
  .shots { grid-template-columns: 1fr 1fr; }
  .shots .shot-wide { grid-column: 1 / -1; }
  .hero { padding-top: 84px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}

/* ====================================================================
   Hub 门户追加段（nav.js 共享页头 + stats / hands / account / replay 页）
   —— 以下为追加样式，不改动上方既有规则。
   ==================================================================== */
[hidden] { display: none !important; }
.muted { color: var(--ink-faint); font-size: 13.5px; }
.center { text-align: center; }

/* ---------- 共享页头（nav.js 注入） ---------- */
.nav-toggle { display: none; }
.hub-nav a.on { color: var(--brass); background: var(--brass-soft); }
.hub-nav a.on:hover { color: var(--brass); }
@media (max-width: 719.98px) {
  .hub-header .nav-toggle {
    display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 4px; margin-left: auto; width: 42px; height: 38px;
    border: 1px solid var(--line); border-radius: 8px; background: var(--surface);
  }
  .nav-toggle-bar { display: block; width: 16px; height: 2px; border-radius: 1px; background: var(--brass); }
  .hub-header .hub-nav {
    display: none; position: absolute; top: 58px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px; margin-left: 0;
    background: var(--bg-deep); border-bottom: 1px solid var(--line);
    padding: 10px 14px 14px; box-shadow: 0 20px 34px rgba(0, 0, 0, .5);
  }
  .hub-header .hub-nav.open { display: flex; }
  .hub-header .hub-nav a { padding: 11px 12px; font-size: 15px; border-radius: 8px; }
}

/* ---------- Hub 页面骨架 ---------- */
.hub-main { max-width: var(--maxw); margin: 0 auto; padding: 34px 18px 70px; }
.page-head { margin-bottom: 24px; }
.page-head h1 { font-family: var(--font-display); font-weight: 600; letter-spacing: .02em; font-size: clamp(24px, 5vw, 32px); margin-bottom: 6px; }
.page-head p { color: var(--ink-dim); font-size: 14.5px; max-width: 44em; }
.hub-card {
  background: linear-gradient(180deg, var(--surface2), var(--surface));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 20px 22px; margin-bottom: 18px;
}
.hub-card > h2 { font-size: 17px; color: var(--ink); margin-bottom: 14px; }
.hub-card > h2 small { color: var(--ink-faint); font-weight: 400; font-size: 13px; margin-left: 6px; }

/* ---------- 数据卡片（tiles） ---------- */
.tiles { display: grid; gap: 10px; grid-template-columns: repeat(2, 1fr); }
.tile { background: rgba(0, 0, 0, .18); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; min-width: 0; }
.tile .t-label { color: var(--ink-faint); font-size: 12.5px; margin-bottom: 4px; }
.tile .t-value { font-family: var(--font-num); font-variant-numeric: tabular-nums; font-size: 22px; line-height: 1.2; color: var(--ink); }
.tile .t-value.pos { color: var(--good); }
.tile .t-value.neg { color: var(--bad); }
.tile .t-sub { color: var(--ink-faint); font-size: 12px; margin-top: 3px; }

/* ---------- 盈亏折线 ---------- */
.chart-scroll { overflow-x: auto; }
.chart-scroll svg { display: block; width: 100%; min-width: 480px; height: auto; }
#chart-note { margin-top: 8px; }

/* ---------- 成就墙 ---------- */
.ach-grid { display: grid; gap: 10px; grid-template-columns: 1fr; }
.ach-card {
  display: flex; gap: 10px; align-items: flex-start;
  background: rgba(0, 0, 0, .18); border: 1px solid var(--line); border-radius: 8px; padding: 12px;
}
.ach-card.locked { opacity: .55; }
.ach-emoji { font-size: 22px; line-height: 1.25; }
.ach-body { display: block; flex: 1; min-width: 0; }
.ach-nm { display: block; font-size: 14px; font-weight: 600; color: var(--ink); }
.ach-ds { display: block; font-size: 12.5px; color: var(--ink-dim); margin-top: 1px; }
.ach-date { display: block; font-size: 12px; color: var(--ink-faint); margin-top: 4px; font-family: var(--font-num); }
.ach-bar { display: block; height: 4px; background: var(--line); border-radius: 2px; margin-top: 8px; overflow: hidden; }
.ach-bar i { display: block; height: 100%; background: var(--brass); }

/* ---------- 牌谱库 ---------- */
.hand-toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar-spacer { flex: 1; }
.btn-mini {
  display: inline-block; padding: 6px 12px; font-size: 13px; border-radius: 7px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink-dim); text-align: center;
}
.btn-mini:hover { color: var(--ink); border-color: var(--brass-deep); text-decoration: none; }
.btn-mini.btn-danger { color: var(--bad); border-color: rgba(208, 99, 99, .4); }
.btn-mini.btn-danger:hover { color: var(--bad); border-color: var(--bad); }
.hand-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.hand-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px;
  background: linear-gradient(180deg, var(--surface2), var(--surface));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 13px 16px;
}
.hand-cards { font-family: var(--font-num); font-size: 18px; font-weight: 600; color: var(--brass); min-width: 3em; }
.hand-net { font-family: var(--font-num); font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink-dim); }
.hand-net.pos { color: var(--good); }
.hand-net.neg { color: var(--bad); }
.hand-title { flex: 1 1 10em; min-width: 0; color: var(--ink-dim); font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hand-time { color: var(--ink-faint); font-size: 12.5px; font-family: var(--font-num); }
.hand-acts { margin-left: auto; display: flex; gap: 8px; }

/* ---------- 空态 ---------- */
.empty-state {
  text-align: center; padding: 56px 18px;
  border: 1px dashed var(--line); border-radius: var(--radius); background: rgba(0, 0, 0, .12);
}
.empty-state .empty-icon { font-size: 40px; line-height: 1; margin-bottom: 12px; }
.empty-state h2 { font-family: var(--font-display); font-size: 21px; margin-bottom: 8px; }
.empty-state p { color: var(--ink-dim); margin-bottom: 6px; }
.empty-state .btn { margin-top: 12px; }

/* ---------- 账户页 ---------- */
.acct-grid { display: grid; gap: 18px; grid-template-columns: 1fr; align-items: start; }
.acct-form label { display: block; font-size: 13px; color: var(--ink-dim); margin: 12px 0 6px; }
.acct-form input {
  width: 100%; background: var(--bg-deep); border: 1px solid var(--line); border-radius: 8px;
  color: var(--ink); padding: 10px 12px; font-size: 15px; font-family: inherit;
}
.acct-form input:focus { outline: 2px solid var(--brass); outline-offset: 1px; border-color: var(--brass-deep); }
.acct-form input:disabled, .acct-form button:disabled { opacity: .5; cursor: not-allowed; }
.form-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.form-msg { min-height: 1.2em; color: var(--ink-dim); font-size: 13.5px; margin-top: 10px; }
.lic-state {
  display: inline-block; font-size: 12.5px; padding: 3px 12px; border-radius: 999px;
  border: 1px solid var(--line); margin-bottom: 10px;
}
.lic-state.on { color: var(--good); border-color: rgba(98, 185, 126, .5); background: rgba(98, 185, 126, .08); }
.lic-state.off { color: var(--ink-faint); background: rgba(0, 0, 0, .15); }
.kv-list { font-size: 14px; margin: 6px 0 10px; }
.kv-list div { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.kv-list div:last-child { border-bottom: none; }
.kv-k { color: var(--ink-faint); white-space: nowrap; }
.kv-v { font-family: var(--font-num); color: var(--ink); text-align: right; word-break: break-all; }

/* ---------- 回放落地页 ---------- */
.replay-main { max-width: 720px; text-align: center; padding-top: 44px; }
.replay-card {
  border: 1px solid var(--rail-hi); border-radius: 14px; padding: 34px 22px 26px;
  background:
    radial-gradient(110% 80% at 50% -10%, var(--felt-glow) 0%, var(--felt) 45%, var(--bg-deep) 100%);
  box-shadow: 0 18px 60px rgba(0, 0, 0, .5);
}
.replay-card h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(24px, 5vw, 34px); margin: 14px 0 10px; }
.replay-sub { color: var(--ink-dim); max-width: 30em; margin: 0 auto 22px; }
.replay-cta { margin-bottom: 6px; }
.btn-big { font-size: 18px; padding: 14px 38px; }
.replay-tip { color: var(--ink-faint); font-size: 13.5px; margin: 12px 0 20px; }
.replay-shot { border-radius: 10px; border: 1px solid var(--rail-hi); box-shadow: 0 10px 34px rgba(0, 0, 0, .5); }
.replay-main .center { margin-top: 16px; }

/* ---------- Hub 桌面端 ---------- */
@media (min-width: 720px) {
  .tiles { grid-template-columns: repeat(3, 1fr); }
  .ach-grid { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
}
@media (min-width: 880px) {
  .acct-grid { grid-template-columns: 1fr 1fr; }
}