/* ============================================================
   QQPK Design System
   色值取自 qqpk.com 现网计算样式，勿凭感觉改动 :root
   ============================================================ */

:root {
  /* Brand */
  --gold:        #F1D898;
  --gold-bright: #FEF1C1;
  --gold-mid:    #E3C480;
  --gold-deep:   #A8842F;
  --gold-grad: linear-gradient(135deg, #A8842F 0%, #F1D898 42%, #FEF1C1 58%, #C9A55C 100%);
  --gold-grad-soft: linear-gradient(135deg, rgba(241,216,152,.16), rgba(241,216,152,.03));

  /* Surface */
  --bg:        #000000;
  --bg-2:      #08080A;
  --surface:   #141416;
  --surface-2: #1C1C20;
  --line:      rgba(255, 255, 255, .10);
  --line-gold: rgba(241, 216, 152, .28);

  /* Text */
  --text:      #FFFFFF;
  --text-2:    #D0D0D0;
  --text-3:    #939393;

  /* Semantic */
  --live:      #4ADE80;
  --hot:       #FF5C3E;

  /* Metrics */
  --wrap: 1240px;
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 22px;
  --nav-h: 68px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --shadow: 0 18px 48px rgba(0, 0, 0, .55);
  --glow: 0 0 0 1px rgba(241,216,152,.22), 0 12px 40px rgba(241,216,152,.10);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; font-weight: 600; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 20px; }
.section { padding: 76px 0; }
.section--tight { padding: 52px 0; }
.section--alt { background: var(--bg-2); }
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.center { text-align: center; }

/* ---------- Type ---------- */
.display {
  /* 英文走 Playfair，中文回落到无衬线——中文永远不用衬线体 */
  font-family: "Playfair Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-weight: 500;
  letter-spacing: .06em;
  line-height: 1.08;
  text-transform: uppercase;
}
.h-xl { font-size: clamp(38px, 6.2vw, 76px); }
.h-lg { font-size: clamp(30px, 4.4vw, 52px); }
.h-md { font-size: clamp(24px, 3vw, 36px); }
.h-sm { font-size: clamp(19px, 2vw, 24px); }

.eyebrow {
  font-size: 13px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--gold); font-weight: 500; margin-bottom: 14px;
}
.lead { font-size: 17px; color: var(--text-2); }
.muted { color: var(--text-3); }
.gold-text {
  background: var(--gold-grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* 章节头 */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 34px; }
.sec-head .more { color: var(--gold); font-size: 14px; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.sec-head .more:hover { gap: 10px; transition: gap .2s var(--ease); }
.sec-head--center { flex-direction: column; align-items: center; text-align: center; }
.sec-head--center .sub { color: var(--text-3); letter-spacing: .2em; font-size: 13px; text-transform: uppercase; margin-top: 10px; }

/* ---------- Placeholder（待接真实数据）---------- */
.ph {
  display: inline-block; min-width: 2.2em; text-align: center;
  color: var(--gold); border-bottom: 1px dashed var(--line-gold);
  font-variant-numeric: tabular-nums;
}
.ph::after { content: ""; }
.ph-block {
  border: 1px dashed var(--line-gold); border-radius: var(--r);
  background: repeating-linear-gradient(45deg, rgba(241,216,152,.03) 0 10px, transparent 10px 20px);
  display: grid; place-items: center; color: var(--text-3);
  font-size: 13px; letter-spacing: .1em; min-height: 160px; text-align: center; padding: 20px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 30px; border-radius: 999px; font-weight: 600; font-size: 15px;
  letter-spacing: .04em; transition: transform .2s var(--ease), box-shadow .25s var(--ease), background .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--gold-grad); color: #17130A; box-shadow: 0 10px 30px rgba(241,216,152,.22); }
.btn--primary:hover { box-shadow: 0 14px 40px rgba(241,216,152,.34); }
.btn--ghost { border: 1px solid var(--line-gold); color: var(--gold); }
.btn--ghost:hover { background: rgba(241,216,152,.08); }
.btn--plain { border: 1px solid var(--line); color: var(--text); }
.btn--plain:hover { background: rgba(255,255,255,.06); }
.btn--lg { padding: 16px 40px; font-size: 16px; }
.btn--sm { padding: 9px 20px; font-size: 13px; }
.btn--block { display: flex; width: 100%; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; transition: border-color .25s var(--ease), transform .25s var(--ease);
  display: flex; flex-direction: column;
}
.card:hover { border-color: var(--line-gold); transform: translateY(-4px); }
.card__body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card__title { font-size: 17px; font-weight: 600; }
.card__text { font-size: 14px; color: var(--text-3); line-height: 1.6; flex: 1; }
.card__foot { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--gold); }
.card__media {
  aspect-ratio: 16 / 10; position: relative;
  background: linear-gradient(140deg, #1B1712 0%, #0B0B0C 60%);
  display: grid; place-items: center;
}
.card__media .mark { font-family: "Playfair Display", serif; font-size: 30px; letter-spacing: .18em; color: rgba(241,216,152,.32); }
.badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px; background: rgba(0,0,0,.6);
  border: 1px solid var(--line-gold); color: var(--gold); backdrop-filter: blur(6px);
}
.badge--hot { border-color: rgba(255,92,62,.5); color: #FF8B76; }

/* ---------- Header ---------- */
.topbar {
  background: #000; border-bottom: 1px solid var(--line);
  font-size: 13px; color: var(--text-3);
}
.topbar__in { display: flex; align-items: center; justify-content: flex-end; gap: 18px; height: 38px; }
.topbar__social { display: flex; gap: 14px; margin-right: auto; }
.topbar__social a { opacity: .55; transition: opacity .2s; }
.topbar__social a:hover { opacity: 1; }
.topbar__social svg { width: 15px; height: 15px; }
.lang { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.lang select {
  background: transparent; border: 0; color: var(--text-3); font-size: 13px; cursor: pointer;
}
.lang select option { background: #111; }

.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(0,0,0,.86); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 8px; height: var(--nav-h); }
.brand { display: flex; align-items: center; gap: 10px; margin-right: 26px; flex-shrink: 0; }
.brand svg { width: 34px; height: 34px; }
.brand span { font-family: "Playfair Display", serif; font-size: 23px; letter-spacing: .04em; font-weight: 600; }
.nav__list { display: flex; align-items: center; gap: 2px; flex: 1; }
.nav__item { position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 10px 13px; font-size: 14.5px; color: var(--text-2); border-radius: 8px;
  transition: color .2s, background .2s;
}
.nav__link:hover { color: var(--text); background: rgba(255,255,255,.05); }
.nav__link[aria-current] { color: var(--gold); }
.nav__link .chev { width: 10px; height: 10px; opacity: .6; transition: transform .2s; }
.nav__item:hover .chev { transform: rotate(180deg); }
.nav__actions { display: flex; align-items: center; gap: 10px; margin-left: 14px; }

/* Mega menu —— 相比 CoinPoker 的长列表，改为带说明的分组网格 */
.mega {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(-6px);
  min-width: 560px; padding: 18px; border-radius: var(--r-lg);
  background: #0C0C0E; border: 1px solid var(--line); box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}
.nav__item:hover .mega, .nav__item:focus-within .mega {
  opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0);
}
.mega--wide { min-width: 720px; }
.mega__grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 4px; }
.mega--wide .mega__grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.mega__col-title {
  grid-column: 1 / -1; font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--text-3); padding: 10px 12px 6px;
}
.mega__link { display: flex; gap: 11px; padding: 10px 12px; border-radius: 10px; transition: background .18s; }
.mega__link:hover { background: rgba(241,216,152,.07); }
.mega__link i {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  background: var(--gold-grad-soft); border: 1px solid var(--line); color: var(--gold); font-style: normal; font-size: 13px;
}
.mega__link b { display: block; font-size: 14px; font-weight: 500; }
.mega__link small { display: block; font-size: 12px; color: var(--text-3); line-height: 1.45; }

.burger { display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--line); }
.burger span { display: block; width: 18px; height: 1.5px; background: var(--text); margin: 4px auto; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 72% 45%, rgba(241,216,152,.16) 0%, transparent 58%),
    radial-gradient(90% 70% at 20% 20%, rgba(168,132,47,.10) 0%, transparent 60%),
    linear-gradient(180deg, #0A0906 0%, #000 78%);
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 34px 34px; opacity: .5; mask-image: radial-gradient(70% 60% at 50% 40%, #000, transparent);
}
.hero__in { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; min-height: 620px; padding-block: 70px; }
.hero__title { margin-bottom: 26px; }
.hero__usp { display: grid; gap: 14px; margin: 0 0 32px; }
.hero__usp li { display: flex; align-items: center; gap: 13px; font-size: 16px; color: var(--text-2); }
.hero__usp i {
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: var(--gold-grad-soft); border: 1px solid var(--line-gold); color: var(--gold); flex-shrink: 0;
}
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__art { position: relative; min-height: 420px; }

/* 大使视觉占位 */
.amb-stack { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: end; }
.amb-stack figure { margin: 0; text-align: center; }
.amb-stack .ph-block { min-height: 210px; border-radius: var(--r-lg); }
.amb-stack figcaption { margin-top: 10px; font-size: 14px; font-style: italic; font-weight: 600; }
.amb-stack small { color: var(--text-3); font-size: 12px; }

/* 在线人数浮标 */
.live-chip {
  position: fixed; right: 18px; bottom: 18px; z-index: 80;
  display: inline-flex; align-items: center; gap: 9px;
  padding: 10px 16px; border-radius: 999px; font-size: 13px;
  background: rgba(20,20,22,.92); border: 1px solid var(--line); backdrop-filter: blur(10px);
}
.live-chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--live); box-shadow: 0 0 0 4px rgba(74,222,128,.16); }

/* ---------- Marquee 公告 ---------- */
.marquee { background: linear-gradient(90deg, #0F0D08, #1A1509, #0F0D08); border-block: 1px solid var(--line); overflow: hidden; }
.marquee__track { display: flex; gap: 60px; padding: 11px 0; white-space: nowrap; animation: slide 40s linear infinite; font-size: 14px; color: var(--gold-bright); }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 统计条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.stats div { background: var(--bg-2); padding: 26px 18px; text-align: center; }
.stats strong { display: block; font-family: "Playfair Display", serif; font-size: clamp(26px, 3.2vw, 40px); color: var(--gold); }
.stats span { font-size: 13px; color: var(--text-3); letter-spacing: .06em; }

/* ---------- 筛选 chips（优化：CoinPoker 是 12 张无序卡片）---------- */
.chips { display: flex; gap: 9px; flex-wrap: wrap; margin-bottom: 26px; }
.chip {
  padding: 8px 17px; border-radius: 999px; font-size: 13.5px; color: var(--text-3);
  border: 1px solid var(--line); transition: all .2s var(--ease);
}
.chip:hover { color: var(--text); border-color: var(--line-gold); }
.chip.is-on { background: var(--gold-grad); color: #17130A; border-color: transparent; font-weight: 600; }

/* 主推 + 网格 */
.promo-feature {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 0; margin-bottom: 20px;
  border: 1px solid var(--line-gold); border-radius: var(--r-lg); overflow: hidden;
  background: linear-gradient(120deg, #14110A 0%, #0A0A0B 70%);
}
.promo-feature__body { padding: 42px; display: flex; flex-direction: column; justify-content: center; gap: 16px; }
.promo-feature__art { min-height: 300px; display: grid; place-items: center; background: radial-gradient(70% 70% at 60% 45%, rgba(241,216,152,.16), transparent 70%); }

/* ---------- 为什么选 ---------- */
.why { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.why__item { text-align: center; padding: 30px 18px; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); transition: border-color .25s; }
.why__item:hover { border-color: var(--line-gold); }
.why__item i { width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; background: var(--gold-grad-soft); border: 1px solid var(--line-gold); color: var(--gold); }
.why__item h3 { font-size: 16px; margin-bottom: 8px; }
.why__item p { font-size: 13.5px; color: var(--text-3); }

/* ---------- 支付方式 ---------- */
.pay-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.pay-row span {
  padding: 12px 20px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--surface); font-size: 13.5px; color: var(--text-2); letter-spacing: .04em;
}

/* ---------- 三步开始 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: s; }
.step { position: relative; padding: 34px 26px; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); }
.step::before {
  counter-increment: s; content: "0" counter(s);
  font-family: "Playfair Display", serif; font-size: 42px;
  background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: 12px;
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-3); }

/* ---------- 背书 logo 墙 ---------- */
.logo-wall { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; align-items: center; }
.logo-wall span {
  padding: 14px 22px; border: 1px solid var(--line); border-radius: 10px;
  color: var(--text-3); font-size: 13px; letter-spacing: .1em; text-transform: uppercase;
  background: var(--surface);
}

/* ---------- 游戏目录表（优化：CoinPoker 是长段落）---------- */
.game-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.game-table th, .game-table td { padding: 15px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.game-table th { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--text-3); font-weight: 500; }
.game-table tbody tr { transition: background .2s; }
.game-table tbody tr:hover { background: rgba(241,216,152,.04); }
.game-table td:first-child { font-weight: 600; }
.game-table .stake { color: var(--gold); font-variant-numeric: tabular-nums; white-space: nowrap; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); }

/* ---------- 手风琴 FAQ（优化：默认收起，渐进展示）---------- */
.acc { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--surface); }
.acc + .acc { margin-top: 12px; }
.acc summary {
  list-style: none; cursor: pointer; padding: 20px 24px; font-size: 16px; font-weight: 500;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; color: var(--gold); font-size: 22px; line-height: 1; transition: transform .2s; }
.acc[open] summary::after { transform: rotate(45deg); }
.acc__body { padding: 0 24px 22px; color: var(--text-2); font-size: 15px; }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative; overflow: hidden; text-align: center; padding: 78px 24px;
  border-radius: var(--r-lg); border: 1px solid var(--line-gold);
  background: radial-gradient(80% 120% at 50% 0%, rgba(241,216,152,.14), transparent 65%), #0A0A0B;
}

/* ---------- 时间线 / 赛程 ---------- */
.timeline { display: grid; gap: 14px; }
.tl-item {
  display: grid; grid-template-columns: 150px 1fr auto; gap: 20px; align-items: center;
  padding: 18px 22px; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface);
  transition: border-color .25s;
}
.tl-item:hover { border-color: var(--line-gold); }
.tl-item .when { color: var(--gold); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; }
.tl-item .what { font-size: 17px; font-weight: 600; }
.tl-item .where { font-size: 13px; color: var(--text-3); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--line); padding-top: 60px; font-size: 14px; }
.foot-top { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 34px; padding-bottom: 44px; }
.foot-brand p { color: var(--text-3); font-size: 13.5px; margin-top: 16px; max-width: 300px; }
.foot-col h4 { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
.foot-col li + li { margin-top: 10px; }
.foot-col a { color: var(--text-3); transition: color .2s; }
.foot-col a:hover { color: var(--gold); }
.foot-legal { border-top: 1px solid var(--line); padding: 24px 0; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.foot-legal a { color: var(--text-3); font-size: 12.5px; }
.foot-legal a:hover { color: var(--text-2); }
.foot-note { border-top: 1px solid var(--line); padding: 24px 0; color: var(--text-3); font-size: 12.5px; line-height: 1.8; }
.foot-badges { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 22px 0; border-top: 1px solid var(--line); }
.foot-badges span { padding: 9px 15px; border: 1px solid var(--line); border-radius: 8px; font-size: 11.5px; letter-spacing: .1em; color: var(--text-3); }
.foot-partners { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 26px; padding: 22px 0; border-top: 1px solid var(--line); }
.foot-partners b { font-size: 13px; color: var(--text-2); font-weight: 500; margin-right: 8px; }
.foot-partners span { color: var(--text-3); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.foot-copy { border-top: 1px solid var(--line); padding: 20px 0; color: var(--text-3); font-size: 12.5px; text-align: center; }

/* ---------- 移动端底部固定 CTA（优化项）---------- */
.mobile-cta { display: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .why { grid-template-columns: repeat(3, 1fr); }
  .foot-top { grid-template-columns: 1fr 1fr 1fr; }
  .hero__in { grid-template-columns: 1fr; min-height: auto; }
  .hero__art { min-height: 300px; }
}
@media (max-width: 900px) {
  .nav__list, .nav__actions .btn--ghost { display: none; }
  .burger { display: block; margin-left: auto; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .promo-feature { grid-template-columns: 1fr; }
  .promo-feature__body { padding: 28px; }
  .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .tl-item { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 640px) {
  .section { padding: 52px 0; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .why { grid-template-columns: 1fr 1fr; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .topbar__social { display: none; }
  .sec-head { flex-direction: column; align-items: flex-start; }
  .live-chip { bottom: 76px; }
  .mobile-cta {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 85;
    gap: 10px; padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: rgba(0,0,0,.94); border-top: 1px solid var(--line); backdrop-filter: blur(12px);
  }
  .mobile-cta .btn { flex: 1; }
  body { padding-bottom: 68px; }
}

/* ---------- 移动端抽屉 ---------- */
.drawer {
  position: fixed; inset: 0; z-index: 100; background: #050505;
  transform: translateX(100%); transition: transform .3s var(--ease);
  overflow-y: auto; padding: 20px;
}
.drawer.is-open { transform: translateX(0); }
.drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.drawer__close { font-size: 26px; line-height: 1; color: var(--text-3); }
.drawer details { border-bottom: 1px solid var(--line); }
.drawer summary { padding: 15px 4px; font-size: 16px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
.drawer summary::-webkit-details-marker { display: none; }
.drawer summary::after { content: "›"; color: var(--gold); transform: rotate(90deg); }
.drawer details[open] summary::after { transform: rotate(-90deg); }
.drawer details ul { padding: 0 4px 14px; }
.drawer details li a { display: block; padding: 9px 0; color: var(--text-3); font-size: 14.5px; }
.drawer .drawer__cta { display: grid; gap: 10px; margin-top: 24px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* ---------- 内容页通用 ---------- */
.page-head { padding: 66px 0 40px; border-bottom: 1px solid var(--line); background: radial-gradient(90% 100% at 50% 0%, rgba(241,216,152,.09), transparent 60%); }
.page-head .display { margin-bottom: 14px; }
.page-head p { max-width: 720px; color: var(--text-2); }
.crumb { font-size: 13px; color: var(--text-3); margin-bottom: 18px; }
.crumb a:hover { color: var(--gold); }
.prose { max-width: 820px; color: var(--text-2); }
.prose h2 { font-size: 24px; margin: 38px 0 14px; color: var(--text); }
.prose h3 { font-size: 18px; margin: 26px 0 10px; color: var(--text); }
.prose ul { list-style: disc; padding-left: 22px; margin: 0 0 16px; }
.prose li { margin-bottom: 8px; }