/* 万安算交所 · 官网样式 2.0
   主题锁：全站深色。唯一点缀色：金（呼应「已验货金标」）。
   圆角规则：面板/按钮/输入框 10px；筛选与状态标签全圆。 */

:root {
  --bg: #0a0d12;
  --panel: #0f131a;
  --panel-2: #12161e;
  --line: rgba(233, 229, 220, 0.09);
  --line-strong: rgba(233, 229, 220, 0.18);
  --text: #e9e5dc;
  --muted: #a29d92;
  --gold: #c9a55c;
  --gold-strong: #dcb873;
  --gold-text-on: #171106;
  --r: 10px;
  --font: "Microsoft YaHei", "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", system-ui, sans-serif;
  --font-num: "Bahnschrift", "Segoe UI", Arial, sans-serif;
  --font-serif: "WanAn Serif", "STZhongsong", "SimSun", serif;
  --font-ap: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Microsoft YaHei", "PingFang SC", "HarmonyOS Sans SC", sans-serif;
}

/* 品牌宋体：仅含站名与标题用字，15KB */
@font-face {
  font-family: "WanAn Serif";
  src: url("/static/assets/fonts/brand.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body.modal-open { overflow: hidden; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; letter-spacing: 0.01em; }

a { color: inherit; text-decoration: none; }
button { font-family: var(--font); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  border-radius: var(--r);
  padding: 14px 34px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.15s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-gold { background: var(--gold); color: var(--gold-text-on); }
.btn-gold:hover { background: var(--gold-strong); }
.btn-dark { background: #1d1d1f; color: #ffffff; }
.btn-dark:hover { background: #000000; }
.btn-ghost { border-color: var(--line-strong); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-block { display: block; width: 100%; text-align: center; }
.btn[disabled] { opacity: 0.6; cursor: default; }

/* ---------- 导航（浅色 · 苹果风） ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: 64px;
  background: rgba(251, 251, 253, 0.82);
  backdrop-filter: blur(18px) saturate(1.6);
  -webkit-backdrop-filter: blur(18px) saturate(1.6);
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}
.nav-inner { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand-cn {
  font-family: var(--font-ap);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #1d1d1f;
}
.nav-links { display: flex; gap: 32px; }
.nav-links a { font-size: 14px; color: #424245; transition: color 0.2s; }
.nav-links a:hover { color: #000; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(0, 0, 0, 0.16);
  border-radius: var(--r);
  color: #1d1d1f;
  font-size: 18px;
  width: 40px;
  height: 40px;
  cursor: pointer;
}

/* ---------- 语言切换 ---------- */
.lang { position: relative; }
.lang-btn {
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.16);
  border-radius: 999px;
  color: #424245;
  font-size: 13px;
  padding: 8px 16px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.lang-btn:hover { color: #000; border-color: rgba(0, 0, 0, 0.4); }
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 150px;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--r);
  padding: 6px;
  z-index: 60;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.14);
}
.lang-menu button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-radius: 6px;
  color: #424245;
  font-size: 14px;
  padding: 9px 12px;
  cursor: pointer;
}
.lang-menu button:hover { color: #000; background: rgba(0, 0, 0, 0.05); }
.lang-menu button.on { color: #0071e3; font-weight: 600; }

/* ---------- 第一屏（苹果风 · 浅色） ---------- */
.hero-ap {
  min-height: 100dvh;
  background: #fbfbfd;
  color: #1d1d1f;
  font-family: var(--font-ap);
  padding-top: 64px;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
}
.ap-inner {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(64px, 9vh, 110px) 24px 0;
  text-align: center;
}
.ap-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  color: #6e6e73;
  letter-spacing: 0.02em;
}
.ap-dot { width: 7px; height: 7px; border-radius: 50%; background: #30d158; box-shadow: 0 0 8px rgba(48, 209, 88, 0.6); }
.ap-title {
  margin-top: 22px;
  font-size: clamp(44px, 7.6vw, 96px);
  font-weight: 700;
  letter-spacing: 0.005em;
  line-height: 1.08;
  color: #1d1d1f;
}
.ap-sub {
  margin: 26px auto 0;
  max-width: 620px;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.5;
  color: #6e6e73;
}
.ap-cta {
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  flex-wrap: wrap;
}
.ap-cta .btn-dark { padding: 15px 38px; font-size: 17px; border-radius: 980px; }
.ap-link { font-size: 17px; color: #1d1d1f; font-weight: 500; display: inline-flex; align-items: center; gap: 4px; }
.ap-link:hover { text-decoration: underline; }
.ap-link .chev { font-size: 20px; line-height: 1; transform: translateY(-1px); }

/* 产品面板：真实行情（白底大圆角，底部探出下一屏） */
.ap-board {
  width: min(980px, 100%);
  margin: 64px auto -66px;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 18px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.12), 0 2px 12px rgba(0, 0, 0, 0.05);
  text-align: left;
  overflow: hidden;
  animation: apBoard 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.35s both;
}
@keyframes apBoard { from { opacity: 0; transform: translateY(34px); } to { opacity: 1; transform: none; } }
.ap-board-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.ap-board-brand { font-weight: 600; color: #1d1d1f; margin-right: 10px; }
.ap-board-sep { color: #86868b; font-size: 14px; }
.ap-board .live { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: #6e6e73; }
.ap-board .live-dot { width: 6px; height: 6px; border-radius: 50%; background: #30d158; animation: pulse 2.2s ease-in-out infinite; }

.ap-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 0.9fr auto;
  gap: 16px;
  align-items: center;
  padding: 17px 28px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  font-size: 15px;
}
.ap-row:last-child { border-bottom: none; }
.ap-row .r-name { font-weight: 600; color: #1d1d1f; }
.ap-row .r-name small { display: block; font-weight: 400; color: #86868b; font-size: 12px; margin-top: 1px; }
.ap-row .r-loc { color: #6e6e73; font-size: 13px; }
.ap-row .r-price { font-family: var(--font-num); text-align: right; color: #1d1d1f; }
.ap-row .r-price small { color: #86868b; font-size: 11px; font-family: var(--font-ap); }
.ap-row .r-pill { justify-self: end; }
.ap-row .pill-gold { color: #8a6a30; border-color: rgba(138, 106, 48, 0.45); background: rgba(201, 165, 92, 0.12); }
.ap-row .pill-gray { color: #6e6e73; border-color: rgba(0, 0, 0, 0.18); background: rgba(0, 0, 0, 0.02); }
.ap-skel { height: 56px; border-bottom: 1px solid rgba(0, 0, 0, 0.05); position: relative; overflow: hidden; }
.ap-skel::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.045), transparent);
  animation: shimmer 1.6s infinite;
}

/* 标题/副题入场（克制的上浮渐显） */
.ap-eyebrow, .ap-title, .ap-sub, .ap-cta { animation: apRise 0.9s cubic-bezier(0.16, 1, 0.3, 1) both; }
.ap-eyebrow { animation-delay: 0.05s; }
.ap-title { animation-delay: 0.15s; }
.ap-sub { animation-delay: 0.28s; }
.ap-cta { animation-delay: 0.4s; }
@keyframes apRise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }

/* 平台机制条（浅色） */
.trust-ap { background: #fbfbfd; padding: 130px 0 70px; border-top: 1px solid rgba(0, 0, 0, 0.05); }
.trust-ap-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-ap-item { padding: 0 28px; border-left: 1px solid rgba(0, 0, 0, 0.08); }
.trust-ap-item:first-child { border-left: none; padding-left: 0; }
.trust-ap-item h3 { font-size: 17px; font-weight: 600; color: #1d1d1f; font-family: var(--font-ap); }
.trust-ap-item p { margin-top: 7px; font-size: 13px; color: #6e6e73; }

/* ---------- 共用动画 ---------- */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
@keyframes shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
.sk-line::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(233, 229, 220, 0.06), transparent);
  animation: shimmer 1.6s infinite;
}

/* ---------- 通用 section ---------- */
.section { padding: 108px 0 30px; }
.sec-head { margin-bottom: 40px; }
.sec-title { font-family: var(--font-serif); font-size: clamp(30px, 3.4vw, 44px); font-weight: 700; letter-spacing: 0.1em; }
.sec-sub { margin-top: 12px; color: var(--muted); font-size: 15px; }

/* ---------- 货源大厅 ---------- */
.filter-block { margin-bottom: 22px; }
.filter-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 10px;
}
.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  padding: 8px 20px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.chip:hover { color: var(--text); border-color: var(--text); }
.chip.on { color: var(--gold); border-color: var(--gold); }

/* 货源卡片 */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
}
.lcard {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px 26px 20px;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s;
}
.lcard:hover { transform: translateY(-4px); border-color: rgba(201, 165, 92, 0.4); }
.lcard-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.lcard-model { font-size: 24px; font-weight: 700; letter-spacing: 0.03em; font-family: var(--font-num); }
.lcard-config { margin-top: 4px; font-size: 13px; color: var(--muted); }
.lcard-loc { margin-top: 14px; font-size: 13px; color: var(--muted); }
.lcard-loc b { color: var(--text); font-weight: 600; }
.lcard-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.lcard-metrics i { display: block; font-style: normal; font-size: 11px; color: var(--muted); letter-spacing: 0.08em; }
.lcard-metrics b { display: block; margin-top: 4px; font-size: 16px; font-weight: 600; }
.lcard-metrics b small { font-size: 11px; color: var(--muted); margin-left: 2px; font-weight: 400; }
.lcard-metrics .th b { color: var(--gold); }
.lcard-foot {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.lcard-foot .go { color: var(--gold); font-family: var(--font-num); letter-spacing: 0.06em; }
.lcard:hover .lcard-foot .go { color: var(--gold-strong); }

.pill {
  display: inline-block;
  border-radius: 999px;
  font-size: 12px;
  padding: 5px 14px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.pill-gold { color: var(--gold); border: 1px solid rgba(201, 165, 92, 0.45); background: rgba(201, 165, 92, 0.08); }
.pill-gray { color: var(--muted); border: 1px solid var(--line-strong); }

.sk-card { cursor: default; min-height: 190px; }
.sk-card:hover { transform: none; border-color: var(--line); }
.sk-line { height: 16px; margin: 14px 0; position: relative; overflow: hidden; background: rgba(233, 229, 220, 0.045); border-radius: 4px; }
.sk-line.short { width: 55%; }
.cards-empty { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 56px 0; font-size: 15px; }

.table-note { margin-top: 18px; font-size: 13px; color: var(--muted); }

/* ---------- 实力买家 ---------- */
.buyer-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 300px;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 18px;
  scrollbar-width: none;
}
.buyer-strip::-webkit-scrollbar { display: none; }
.buyer-card {
  scroll-snap-align: start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px 26px 24px;
}
.buyer-name { font-size: 14px; color: var(--muted); }
.buyer-need { margin-top: 12px; font-size: 19px; font-weight: 700; letter-spacing: 0.03em; }
.buyer-cap { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.buyer-cap .num { font-size: 22px; color: var(--gold); font-weight: 600; margin: 0 3px; }

/* ---------- 会员权益 ---------- */
.member-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.member-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 38px 38px 34px;
}
.member-hot { border-color: rgba(201, 165, 92, 0.35); }
.member-role { font-size: 15px; letter-spacing: 0.18em; color: var(--muted); }
.member-price { margin-top: 14px; }
.member-price .num { font-size: 44px; font-weight: 600; letter-spacing: 0.02em; }
.member-price .per { font-size: 14px; color: var(--muted); margin-left: 8px; }
.member-list { list-style: none; margin: 26px 0 30px; }
.member-list li {
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  color: var(--text);
}
.member-list li:first-child { border-top: 1px solid var(--line); }

/* ---------- 报告验真 ---------- */
.verify-wrap { max-width: 760px; }
.verify-label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.verify-row { display: flex; gap: 12px; }
.verify-input {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  color: var(--text);
  font-size: 16px;
  font-family: var(--font-num);
  letter-spacing: 0.06em;
  padding: 14px 18px;
  outline: none;
  transition: border-color 0.2s;
}
.verify-input::placeholder { color: var(--muted); opacity: 0.7; }
.verify-input:focus { border-color: var(--gold); }
.verify-result {
  margin-top: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px 30px;
  font-size: 15px;
}
.verify-result.ok { border-color: rgba(201, 165, 92, 0.4); }
.verify-result .v-no { font-family: var(--font-num); letter-spacing: 0.08em; font-size: 17px; font-weight: 600; }
.verify-result .v-subject { margin-top: 8px; color: var(--text); }
.verify-result .v-conclusion { margin-top: 14px; color: var(--gold); letter-spacing: 0.1em; font-weight: 700; }
.verify-result .v-miss { color: var(--muted); }

/* ---------- 弹窗 ---------- */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(5, 7, 10, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal {
  position: relative;
  width: min(880px, 100%);
  max-height: 88dvh;
  overflow-y: auto;
  background: var(--panel-2);
  border: 1px solid var(--line-strong);
  border-top: 2px solid rgba(201, 165, 92, 0.55);
  border-radius: var(--r);
  padding: 40px 44px 36px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6);
}
.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: none;
  color: var(--muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.modal-close:hover { color: var(--text); border-color: var(--text); }

.modal-title { font-size: 26px; font-weight: 700; letter-spacing: 0.06em; }
.modal-note { margin-top: 8px; font-size: 14px; color: var(--muted); }
.mm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.mm-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 28px 28px 24px;
}
.mm-hot { border-color: rgba(201, 165, 92, 0.35); }
.mm-list { margin: 20px 0 24px; }
.mm-list li { font-size: 14px; padding: 11px 0; }
.mm-foot { margin-top: 22px; font-size: 13px; color: var(--muted); }
.mm-demo { margin-top: 12px; font-size: 13px; color: var(--gold); }

/* 验货报告弹窗（转转式证书） */
.rpt-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.rpt-tag .t1 { font-size: 20px; font-weight: 700; letter-spacing: 0.1em; }
.rpt-tag .t2 { font-family: var(--font-num); font-size: 11px; letter-spacing: 0.3em; color: var(--gold); margin-top: 4px; }
.rpt-no { margin-top: 22px; padding: 16px 20px; background: rgba(201, 165, 92, 0.06); border: 1px dashed rgba(201, 165, 92, 0.35); border-radius: var(--r); }
.rpt-no i { display: block; font-style: normal; font-size: 11px; letter-spacing: 0.16em; color: var(--muted); }
.rpt-no b { display: block; margin-top: 4px; font-family: var(--font-num); font-size: 22px; letter-spacing: 0.1em; color: var(--gold); }
.rpt-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 22px;
}
.rpt-cell { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; }
.rpt-cell i { display: block; font-style: normal; font-size: 11px; color: var(--muted); letter-spacing: 0.1em; }
.rpt-cell b { display: block; margin-top: 4px; font-size: 15px; font-weight: 600; }
.rpt-sec { margin-top: 26px; }
.rpt-sec h4 { font-size: 15px; font-weight: 700; letter-spacing: 0.12em; }
.rpt-checks { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; margin-top: 8px; }
.rpt-check {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.rpt-check .ck { display: flex; align-items: center; gap: 10px; }
.rpt-check .ck::before {
  content: "✓";
  color: var(--gold);
  font-weight: 700;
}
.rpt-check .val { color: var(--muted); font-size: 13px; text-align: right; }
.rpt-conclusion {
  margin-top: 24px;
  padding: 18px 22px;
  border-radius: var(--r);
  background: rgba(201, 165, 92, 0.08);
  border: 1px solid rgba(201, 165, 92, 0.4);
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 15px;
}
.rpt-seller {
  margin-top: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.rpt-seller .who { font-size: 14px; }
.rpt-seller .who b { font-family: var(--font-num); letter-spacing: 0.06em; }
.rpt-seller .who span { color: var(--muted); margin-left: 10px; font-size: 13px; }
.rpt-seller .locked { font-size: 13px; color: var(--muted); }
.rpt-anti { margin-top: 16px; font-size: 12px; color: var(--muted); }
.rpt-sched {
  margin-top: 24px;
  padding: 22px 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r);
  color: var(--muted);
  font-size: 14px;
}
.rpt-sched b { display: block; color: var(--text); font-size: 16px; margin-bottom: 6px; }

/* ---------- 页脚 ---------- */
.footer { margin-top: 110px; border-top: 1px solid var(--line); padding: 46px 0 54px; }
.footer-brand { font-size: 17px; font-weight: 700; letter-spacing: 0.12em; }
.footer-brand span { font-size: 11px; letter-spacing: 0.28em; color: var(--muted); margin-left: 12px; font-family: var(--font-num); }
.footer-line { margin-top: 12px; font-size: 13px; color: var(--muted); }

/* ---------- 进场动效 ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .live-dot, .sk-line::after, .ap-skel::after { animation: none; }
  .ap-eyebrow, .ap-title, .ap-sub, .ap-cta, .ap-board { animation: none; opacity: 1; transform: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .trust-ap-grid { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .trust-ap-item:nth-child(3) { border-left: none; padding-left: 0; }
  .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(251, 251, 253, 0.97);
    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
    padding: 8px 28px;
  }
  .nav-links a { padding: 15px 0; border-bottom: 1px solid rgba(0, 0, 0, 0.06); color: #1d1d1f; font-size: 15px; }
  .nav-links a:last-child { border-bottom: none; }
  .nav.open .nav-links { display: flex; }
  .nav-toggle { display: block; }
  .nav-right .btn { display: none; }
  .section { padding: 76px 0 20px; }
  .member-grid { grid-template-columns: 1fr; }
  .member-card { padding: 30px 26px 28px; }
  .mm-grid { grid-template-columns: 1fr; }
  .modal { padding: 32px 24px 28px; }
  .rpt-grid { grid-template-columns: repeat(2, 1fr); }
  .rpt-checks { grid-template-columns: 1fr; }
  .ap-row { grid-template-columns: 1.4fr 0.8fr auto; }
  .ap-row .r-loc { display: none; }
  .trust-ap { padding-top: 100px; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .ap-title { font-size: clamp(36px, 10.5vw, 52px); }
  .ap-sub { font-size: 16px; }
  .ap-cta { gap: 18px; }
  .ap-cta .btn { flex: 1; }
  .ap-board { width: calc(100% - 16px); margin-bottom: -50px; }
  .ap-row { padding: 15px 18px; }
  .ap-board-bar { padding: 15px 18px; }
  .verify-row { flex-direction: column; }
  .verify-row .btn { width: 100%; }
  .buyer-strip { grid-auto-columns: 84%; }
  .cards { grid-template-columns: 1fr; }
}

/* ---------- 第一屏 · 人类货币史微电影 ---------- */
.hero-film {
  position: fixed;
  inset: 0;
  z-index: 999;
  overflow: hidden;
  background: #010204;
  color: #f5f7fa;
  font-family: var(--font-ap);
}
.film-video {
  position: absolute;
  top: 50%;
  right: 2vw;
  width: min(46vw, 760px);
  aspect-ratio: 16 / 9;
  transform: translateY(-50%);
  object-fit: cover;
  border-radius: 24px;
  filter: brightness(.92) contrast(1.08) saturate(.96);
  box-shadow: 0 48px 140px rgba(0,0,0,.74), 0 0 120px rgba(110,180,255,.06);
  transition: width 3.5s cubic-bezier(.16,1,.3,1), right 3.5s cubic-bezier(.16,1,.3,1), border-radius 2.4s ease, filter 2.2s ease;
}
.hero-film.intro .film-video {
  top: 50%;
  right: 50%;
  width: max(122vw, 190vh);
  aspect-ratio: 16 / 9;
  border-radius: 0;
  transform: translate(50%,-50%);
  filter: brightness(1.04) contrast(1.12) saturate(1);
  box-shadow: none;
}
.film-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(1,2,4,.94) 0%, rgba(1,2,4,.78) 34%, rgba(1,2,4,.14) 70%, rgba(1,2,4,.60) 100%),
    radial-gradient(60% 62% at 32% 50%, rgba(1,2,4,.42), transparent 74%);
  transition: opacity 1.5s ease;
}
.hero-film.intro .film-shade {
  background:
    linear-gradient(180deg, rgba(0,1,3,.58) 0%, rgba(0,1,3,.14) 38%, rgba(0,1,3,.70) 100%),
    radial-gradient(80% 60% at 50% 54%, rgba(0,1,3,.30), transparent 76%);
}
.film-grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: filmGrain 1.2s steps(3) infinite;
}
.film-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
}
.film-caption {
  position: absolute;
  left: clamp(34px, 7vw, 120px);
  bottom: clamp(68px, 15vh, 170px);
  width: min(820px, 68vw);
  font-size: clamp(23px, 2.6vw, 42px);
  line-height: 1.18;
  letter-spacing: -.025em;
  font-weight: 650;
  text-shadow: 0 10px 42px rgba(0,0,0,.68);
  opacity: 0;
  transform: translateY(22px);
  filter: blur(14px);
}
.film-caption.enter {
  animation: captionIn 1.15s cubic-bezier(.16,1,.3,1) both;
}
.film-caption.exit {
  animation: captionOut 1.25s cubic-bezier(.65,0,.35,1) both;
}
.film-finale {
  position: absolute;
  left: clamp(34px, 7vw, 120px);
  bottom: clamp(62px, 15vh, 165px);
  width: min(760px, 68vw);
  opacity: 0;
  transform: translateY(24px);
  filter: blur(14px);
}
.film-finale.show {
  animation: none;
  opacity: 1;
  transform: none;
  filter: none;
}
.film-brand {
  margin: 0 0 clamp(14px,2.2vh,22px);
  font-size: clamp(60px,7.8vw,155px);
  line-height: .94;
  letter-spacing: -.055em;
  font-weight: 720;
  color: #fff;
  text-shadow: 0 18px 74px rgba(0,0,0,.62);
  opacity: 0;
  transform: translateY(28px);
  filter: blur(20px);
}
.film-finale.show .film-brand {
  animation: brandIn 1.55s cubic-bezier(.16,1,.3,1) .12s both;
}
.film-title {
  margin: 0;
  font-size: clamp(15px,1.28vw,25px);
  line-height: 1.35;
  letter-spacing: .03em;
  font-weight: 450;
  color: rgba(245,248,252,.58);
  white-space: nowrap;
}
.film-title span {
  display: inline-block;
  margin-right: .34em;
  opacity: 0;
  transform: translateY(12px);
  filter: blur(9px);
  animation: wordIn 1s cubic-bezier(.16,1,.3,1) both;
}
.film-title span:nth-child(1) { animation-delay: .85s; }
.film-title span:nth-child(2) { animation-delay: 1.18s; }
.film-title span:nth-child(3) { animation-delay: 1.51s; }
.film-title span:nth-child(4) { animation-delay: 1.84s; }
.film-title span:nth-child(5) { animation-delay: 2.17s; }
.film-title span:nth-child(6) { animation-delay: 2.50s; }
.film-sound {
  position: absolute;
  left: clamp(34px,7vw,120px);
  bottom: 22px;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 34px;
  padding: 0 16px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.035);
  color: rgba(245,248,252,.54);
  font: inherit;
  cursor: pointer;
  backdrop-filter: blur(16px);
  transition: all .25s ease;
}
.film-sound:hover { color:#fff; border-color: rgba(255,255,255,.26); background: rgba(255,255,255,.07); }
.film-sound .bars { display:flex; align-items:flex-end; gap:2px; height:14px; }
.film-sound .bars i { width:2px; height:4px; background:rgba(255,255,255,.48); border-radius:2px; }
.film-sound.on .bars i { animation: filmBars .8s ease-in-out infinite; }
.film-sound.on .bars i:nth-child(1){animation-delay:0s}.film-sound.on .bars i:nth-child(2){animation-delay:.10s}
.film-sound.on .bars i:nth-child(3){animation-delay:.20s}.film-sound.on .bars i:nth-child(4){animation-delay:.30s}
.film-sound.on .bars i:nth-child(5){animation-delay:.40s}
.film-sound em { font-style:normal; font-size:10px; letter-spacing:.24em; }
.film-scroll {
  position: absolute;
  left: 50%;
  bottom: 24px;
  z-index:5;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  text-decoration: none;
  color: rgba(245,248,252,.28);
  font-size: 9px;
  letter-spacing: .42em;
  opacity: 0;
  transition: opacity .9s ease, color .25s ease;
  pointer-events: none;
}
.film-scroll.show { opacity: 1; pointer-events: auto; }
.film-scroll:hover { color: rgba(245,248,252,.58); }
.film-scroll i { display:block; width:1px; height:28px; background:linear-gradient(180deg,transparent,rgba(245,248,252,.42),transparent); animation: filmScrollLine 2.2s ease-in-out infinite; }
@keyframes captionIn { from { opacity:0; transform:translateY(28px); filter:blur(18px); } to { opacity:1; transform:translateY(0); filter:blur(0); } }
@keyframes captionOut { from { opacity:1; transform:translateY(0); filter:blur(0); } to { opacity:0; transform:translateY(-16px); filter:blur(16px); } }
@keyframes filmBars { 0%,100% { height:4px; opacity:.65; } 50% { height:14px; opacity:1; } }
@keyframes filmScrollLine { 0%,100% { transform:scaleY(.35); opacity:.35; } 50% { transform:scaleY(1); opacity:.75; } }
@keyframes filmGrain { 0% { transform:translate3d(0,0,0); } 33% { transform:translate3d(-2%,1.6%,0); } 66% { transform:translate3d(1.6%,-2%,0); } 100% { transform:translate3d(0,0,0); } }
@media (max-width: 1080px) {
  .hero-film.intro .film-video { width:120vw; }
  .film-video { position:absolute; top:auto; bottom:0; right:50%; width:min(760px,124vw); aspect-ratio:21/9; transform:translateX(50%); opacity:.34; filter:blur(1px); border-radius:0; }
  .film-shade { background:linear-gradient(180deg, rgba(1,2,4,.88), rgba(1,2,4,.44) 48%, rgba(1,2,4,.88)); }
  .film-caption, .film-finale { left:8vw; right:8vw; width:auto; bottom:18vh; }
  .film-title { font-size: clamp(27px,8vw,44px); }
  .film-sound { left:8vw; bottom:18px; }
  .film-title { white-space:normal; }
}
@media (prefers-reduced-motion: reduce) {
  .film-video,.film-caption,.film-finale,.film-grain,.film-scroll i { animation:none !important; }
}