/* ============================================================
   紫荆规划 · zijing.com  —  Design System
   Dark / Premium / Data-platform
   ============================================================ */
:root {
  --bg: #06070c;
  --bg-2: #0a0c14;
  --panel: #0f1219;
  --panel-2: #131722;
  --line: #1d2231;
  --line-2: #262c3d;
  --txt: #e9ecf5;
  --txt-2: #a6aec2;
  --txt-3: #6f7891;
  --cyan: #38c2f2;
  --purple: #7c3aed;
  --violet: #a78bfa;
  --grad: linear-gradient(96deg, #38c2f2 0%, #7c3aed 100%);
  --grad-soft: linear-gradient(96deg, rgba(56,194,242,.16), rgba(124,58,237,.16));
  --good: #4ade80;
  --warn: #fbbf24;
  --bad: #f87171;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --max: 1280px;
  --nav-h: 66px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--txt);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 480px at 12% -8%, rgba(56,194,242,.10), transparent 60%),
    radial-gradient(1000px 560px at 88% -12%, rgba(124,58,237,.13), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, rgba(124,58,237,.06), transparent 60%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: rgba(124,58,237,.4); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

/* ---------- NAV ---------- */
.nav {
  position: sticky; top: 0; z-index: 90;
  height: var(--nav-h);
  background: rgba(6,7,12,.78);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid var(--line);
}
.nav-in { max-width: var(--max); margin: 0 auto; padding: 0 28px; height: 100%; display: flex; align-items: center; gap: 26px; }
.nav-logo { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.nav-logo img { height: 30px; width: auto; }
.nav-logo .dom { font-size: 12px; color: var(--txt-3); letter-spacing: .5px; border-left: 1px solid var(--line-2); padding-left: 12px; }
.beta-tag {
  display: inline-block; margin-left: 10px; padding: 2.5px 9px; flex: 0 0 auto;
  font-size: 10.5px; font-style: normal; letter-spacing: 2px; text-indent: 2px; line-height: 1.4;
  color: rgba(255,255,255,.42); border: 1px solid rgba(255,255,255,.16); border-radius: 20px;
  user-select: none; white-space: nowrap;
}
.nav-menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-menu a {
  padding: 8px 14px; border-radius: 9px; font-size: 14.5px; color: var(--txt-2);
  transition: .18s; white-space: nowrap; position: relative;
}
.nav-menu a:hover { color: var(--txt); background: rgba(255,255,255,.05); }
.nav-menu a.on { color: var(--txt); }
.nav-menu a.on::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  background: var(--grad); border-radius: 2px;
}
.btn-contact {
  flex: 0 0 auto; padding: 9px 20px; border-radius: 10px; font-size: 14px; font-weight: 600;
  color: #fff; background: var(--grad); box-shadow: 0 6px 22px rgba(124,58,237,.35);
  transition: .18s;
}
.btn-contact:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(124,58,237,.5); }

/* ---------- HERO (home) ---------- */
.hero { position: relative; padding: 84px 0 60px; overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center;
}
.kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12.5px; letter-spacing: 2px; color: var(--txt-2);
  border: 1px solid var(--line-2); border-radius: 999px; padding: 6px 15px; margin-bottom: 24px;
  background: rgba(255,255,255,.02);
}
.kicker .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--grad); box-shadow: 0 0 12px rgba(56,194,242,.8); }
h1.hero-title {
  font-size: 54px; line-height: 1.22; margin: 0 0 22px; font-weight: 800; letter-spacing: -1px;
}
h1.hero-title .g {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 17px; color: var(--txt-2); max-width: 620px; margin: 0 0 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  padding: 13px 28px; border-radius: 12px; font-size: 15px; font-weight: 600; transition: .18s;
  display: inline-flex; align-items: center; gap: 9px; cursor: pointer; border: none;
}
.btn-pri { color: #fff; background: var(--grad); box-shadow: 0 8px 26px rgba(124,58,237,.34); }
.btn-pri:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(124,58,237,.5); }
.btn-ghost { color: var(--txt); border: 1px solid var(--line-2); background: rgba(255,255,255,.03); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

/* hero abstract visual */
.hero-visual { position: relative; min-height: 400px; }
.hero-visual .orb {
  position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55;
  animation: float 9s ease-in-out infinite;
}
.orb-1 { width: 320px; height: 320px; background: #1d7fd4; top: 6%; left: 8%; }
.orb-2 { width: 260px; height: 260px; background: #6d28d9; bottom: 4%; right: 10%; animation-delay: -4s; }
@keyframes float { 0%,100% { transform: translateY(0) } 50% { transform: translateY(-22px) } }
.hero-visual svg.flame { position: relative; width: 100%; height: auto; }

/* stats strip */
.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; margin-top: 58px;
}
.stat { background: var(--panel); padding: 26px 22px; }
.stat b { display: block; font-size: 34px; font-weight: 800; letter-spacing: -.5px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { font-size: 13px; color: var(--txt-3); letter-spacing: .5px; }

/* ---------- SECTIONS ---------- */
section.block { padding: 74px 0; }
.sec-head { margin-bottom: 38px; }
.sec-head .eyebrow { font-size: 12.5px; letter-spacing: 3px; color: var(--cyan); margin-bottom: 12px; }
.sec-head h2 { font-size: 34px; margin: 0 0 12px; font-weight: 750; letter-spacing: -.5px; }
.sec-head p { color: var(--txt-2); margin: 0; max-width: 760px; }

/* entry cards */
.entries { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.entry {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px 24px; transition: .22s; position: relative; overflow: hidden;
}
.entry::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: var(--grad); opacity: 0; transition: .22s;
}
.entry:hover { transform: translateY(-5px); border-color: var(--line-2); box-shadow: var(--shadow); }
.entry:hover::before { opacity: 1; }
.entry .ico {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid rgba(124,58,237,.28); margin-bottom: 18px;
}
.entry .ico svg { width: 22px; height: 22px; stroke: var(--violet); fill: none; stroke-width: 1.7; }
.entry h3 { margin: 0 0 8px; font-size: 17.5px; }
.entry p { margin: 0; font-size: 13.2px; color: var(--txt-3); line-height: 1.65; }
.entry .go { margin-top: 16px; font-size: 12.5px; color: var(--txt-3); display: flex; align-items: center; gap: 6px; transition: .2s; }
.entry:hover .go { color: var(--cyan); gap: 10px; }

/* knowledge map */
.kmap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.kcol { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.kcol h4 { margin: 0 0 6px; font-size: 17px; display: flex; align-items: center; gap: 10px; }
.kcol h4 i { width: 8px; height: 22px; border-radius: 3px; background: var(--grad); display: inline-block; }
.kcol .cap { font-size: 12.5px; color: var(--txt-3); margin-bottom: 18px; }
.kcol ul { list-style: none; margin: 0; padding: 0; }
.kcol li { padding: 9px 0; border-top: 1px dashed var(--line); font-size: 13.8px; color: var(--txt-2); display: flex; gap: 9px; }
.kcol li:first-child { border-top: none; }
.kcol li b { color: var(--txt); font-weight: 600; }

/* ---------- PAGE SCAFFOLD (sub pages) ---------- */
.page-head { padding: 56px 0 30px; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: 38px; margin: 0 0 12px; font-weight: 780; letter-spacing: -.6px; }
.page-head h1 .g { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-head p { color: var(--txt-2); margin: 0; max-width: 860px; font-size: 15.5px; }
.crumbs { font-size: 12.5px; color: var(--txt-3); margin-bottom: 16px; letter-spacing: .5px; }
.crumbs a:hover { color: var(--cyan); }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.panel-pad { padding: 24px; }

/* chips / tabs */
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 8px 16px; border-radius: 9px; font-size: 13.5px; cursor: pointer; transition: .16s;
  border: 1px solid var(--line); color: var(--txt-2); background: var(--panel); user-select: none;
}
.chip:hover { color: var(--txt); border-color: var(--line-2); }
.chip.on { color: #fff; background: var(--grad); border-color: transparent; font-weight: 600; }

/* tables */
.tbl-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel); }
table.dt { width: 100%; border-collapse: collapse; font-size: 13.4px; }
table.dt th {
  text-align: left; padding: 13px 15px; font-weight: 600; color: var(--txt-2); font-size: 12.5px;
  letter-spacing: .4px; background: var(--panel-2); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; white-space: nowrap; z-index: 2;
}
table.dt td { padding: 11px 15px; border-bottom: 1px solid rgba(29,34,49,.7); color: var(--txt-2); white-space: nowrap; }
table.dt tr:last-child td { border-bottom: none; }
table.dt tbody tr:hover td { background: rgba(255,255,255,.022); color: var(--txt); }
table.dt td.num, table.dt th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.dt td.k { color: var(--txt); font-weight: 550; }
.pill { display: inline-block; padding: 2px 9px; border-radius: 6px; font-size: 11.5px; font-weight: 600; }
.pill.g { background: rgba(74,222,128,.14); color: var(--good); }
.pill.y { background: rgba(251,191,36,.14); color: var(--warn); }
.pill.r { background: rgba(248,113,113,.14); color: var(--bad); }
.pill.b { background: rgba(56,194,242,.14); color: var(--cyan); }
.pill.v { background: rgba(167,139,250,.16); color: var(--violet); }

/* bar-in-cell */
.meter { height: 5px; border-radius: 3px; background: #1a1f2e; overflow: hidden; min-width: 70px; }
.meter i { display: block; height: 100%; background: var(--grad); border-radius: 3px; }

/* cards grid */
.cards { display: grid; gap: 16px; }
.cards.c4 { grid-template-columns: repeat(4, 1fr); }
.cards.c3 { grid-template-columns: repeat(3, 1fr); }
.cards.c2 { grid-template-columns: repeat(2, 1fr); }
.cards.eq { grid-auto-rows: 1fr; }  /* 所有行等高（赴港接待两排卡片对齐用） */

/* 881~960px 窄带：导航偏宽会横向溢出，压缩导航内边距 */
@media (min-width: 881px) and (max-width: 960px) {
  .nav-in { padding: 0 16px; gap: 14px; }
  .nav-menu a { padding: 8px 9px; }
  .btn-contact { padding: 9px 12px; }
}

/* insurer card */
.icard { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: .2s; }
.icard:hover { border-color: var(--line-2); box-shadow: var(--shadow); }
.icard .top { display: flex; align-items: center; gap: 15px; margin-bottom: 14px; }
.icard .top h3 { margin: 0; font-size: 20px; font-weight: 700; }

/* 保司标识：统一字标（有官方 LOGO 文件时自动替换为图片） */
.ilogo {
  flex: 0 0 auto; width: 56px; height: 56px; border-radius: 16px;
  display: grid; place-items: center; overflow: hidden;
  border: 1px solid rgba(124,58,237,.28);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.10), 0 6px 18px rgba(0,0,0,.28);
}
.ilogo span {
  font-weight: 800; color: #fff; letter-spacing: .5px; line-height: 1;
  text-align: center; padding: 0 3px; text-shadow: 0 1px 6px rgba(0,0,0,.35);
}
.ilogo img { width: 100%; height: 100%; object-fit: contain; background: #fff; padding: 7px; }
.ilogo img.full { padding: 0; background: transparent; }
.ilogo.sm { width: 26px; height: 26px; border-radius: 8px; display: inline-grid; vertical-align: -6px; margin-right: 9px; }
.ilogo.sm span { font-size: 10.5px !important; letter-spacing: 0; }
.ilogo.sm img { padding: 3px; }
.icard .top .en { font-size: 11.8px; color: var(--txt-3); letter-spacing: .6px; display: block; margin-top: 4px; }
.icard .tags { display: flex; gap: 6px; flex-wrap: wrap; margin: 4px 0 14px; }
.icard p { font-size: 13.2px; color: var(--txt-2); margin: 0 0 14px; }
.icard .kv { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; border-top: 1px dashed var(--line); padding-top: 14px; }
.icard .kv div { font-size: 12.5px; color: var(--txt-3); }
.icard .kv b { display: block; color: var(--txt); font-size: 14px; font-weight: 600; margin-top: 2px; }

/* metric tiles */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.tile .lab { font-size: 12.3px; color: var(--txt-3); letter-spacing: .5px; }
.tile .val { font-size: 25px; font-weight: 750; margin-top: 5px; font-variant-numeric: tabular-nums; letter-spacing: -.4px; }
.tile .sub { font-size: 11.8px; color: var(--txt-3); margin-top: 3px; }
.up { color: var(--good); } .down { color: var(--bad); }

/* charts */
.chart-box { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.chart-box h4 { margin: 0 0 4px; font-size: 15.5px; }
.chart-box .desc { font-size: 12.4px; color: var(--txt-3); margin-bottom: 16px; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.3px; color: var(--txt-2); margin-top: 12px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; margin-right: 6px; vertical-align: -1px; }
.legend span { display: inline-flex; align-items: center; }

/* encyclopedia layout */
.ency { display: grid; grid-template-columns: 300px 1fr; gap: 30px; align-items: start; }
.ency-side { position: sticky; top: calc(var(--nav-h) + 18px); max-height: calc(100vh - var(--nav-h) - 36px); overflow-y: auto; padding-right: 6px; }
.ency-side::-webkit-scrollbar { width: 6px; }
.ency-side::-webkit-scrollbar-thumb { background: #242a3a; border-radius: 3px; }
.toc-group { margin-bottom: 6px; }
.toc-h1 {
  font-size: 13px; font-weight: 700; letter-spacing: 1px; padding: 10px 12px; border-radius: 8px;
  color: var(--txt); background: rgba(124,58,237,.10); border: 1px solid rgba(124,58,237,.2); margin: 14px 0 6px;
}
.toc-a { display: block; padding: 7px 12px 7px 20px; font-size: 13.2px; color: var(--txt-3); border-radius: 7px; border-left: 2px solid transparent; }
.toc-a:hover { color: var(--txt); background: rgba(255,255,255,.03); }
.toc-a.on { color: var(--cyan); border-left-color: var(--cyan); background: rgba(56,194,242,.07); }
.toc-a.lv3 { padding-left: 34px; font-size: 12.7px; }
/* 本页篇章小节：挂在当前章节下的小圆点 */
.toc-sub { margin: 0 0 6px 26px; padding: 2px 0 4px 12px; border-left: 1px dashed rgba(124,58,237,.3); }
.toc-sub:empty { display: none; }
.toc-dot { display: flex; align-items: center; gap: 8px; padding: 4px 8px 4px 0; font-size: 12.6px; color: var(--txt-3); border-radius: 6px; transition: color .16s; }
.toc-dot i { width: 5px; height: 5px; border-radius: 50%; background: #39415a; flex: 0 0 auto; transition: .18s; }
.toc-dot span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toc-dot:hover { color: var(--txt); }
.toc-dot:hover i { background: #6b7594; }
.toc-dot.on { color: var(--cyan); }
.toc-dot.on i { background: var(--cyan); box-shadow: 0 0 0 3px rgba(56,194,242,.16); }

.doc { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px 46px 56px; min-width: 0; }
.doc h2.dh1 { font-size: 27px; margin: 0 0 8px; font-weight: 780; }
.doc .dh2 { font-size: 22px; margin: 46px 0 6px; font-weight: 720; padding-top: 22px; border-top: 1px solid var(--line); }
.doc .dh3 { font-size: 17.5px; margin: 30px 0 6px; font-weight: 680; color: #fff; }
.doc .dh3::before { content: ""; display: inline-block; width: 4px; height: 15px; background: var(--grad); border-radius: 2px; margin-right: 10px; vertical-align: -1px; }
.doc .dh4 { font-size: 15.5px; margin: 22px 0 4px; font-weight: 650; color: var(--violet); }
.doc p { color: var(--txt-2); margin: 10px 0; font-size: 14.8px; }
.doc p b { color: var(--txt); }
.doc mark.hl { background: rgba(124,58,237,.22); color: #ddd6fe; padding: 1px 5px; border-radius: 4px; }
.doc ul, .doc ol { color: var(--txt-2); font-size: 14.6px; padding-left: 22px; margin: 10px 0; }
.doc li { margin: 6px 0; }
.doc blockquote { margin: 18px 0; padding: 14px 20px; border-left: 3px solid var(--cyan); background: rgba(56,194,242,.06); border-radius: 0 10px 10px 0; color: var(--txt); font-size: 15px; }
.doc figure { margin: 22px 0; }
.doc figure img { border-radius: 10px; border: 1px solid var(--line); margin: 0 auto; }
.doc figcaption { text-align: center; font-size: 12px; color: var(--txt-3); margin-top: 8px; }
.doc .dtable { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 13.4px; }
.doc .dtable th, .doc .dtable td { border: 1px solid var(--line); padding: 10px 12px; vertical-align: top; }
.doc .dtable th { background: var(--panel-2); color: var(--txt); font-weight: 600; text-align: left; }
.doc .dtable td { color: var(--txt-2); }
.doc .dtable img.cellimg { max-width: 100%; margin: 8px 0 0; border-radius: 6px; }

/* search */
.search-box { position: relative; margin-bottom: 18px; }
.search-box input {
  width: 100%; padding: 12px 16px 12px 42px; border-radius: 11px; font-size: 14px;
  background: var(--panel); border: 1px solid var(--line); color: var(--txt); outline: none; transition: .2s;
}
.search-box input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(56,194,242,.12); }
.search-box svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 17px; height: 17px; stroke: var(--txt-3); fill: none; stroke-width: 2; }
mark.sr { background: rgba(251,191,36,.3); color: #fde68a; border-radius: 3px; }

/* ============================================================
   百科：门户 + 章节页（三级结构）
   ============================================================ */
.ency-portal { display: grid; grid-template-columns: 300px 1fr; gap: 30px; align-items: start; }

/* 篇卡片 */
.pcard {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 22px; overflow: hidden; transition: .2s;
}
.pcard:hover { border-color: var(--line-2); }
.pcard-hd {
  display: flex; align-items: flex-start; gap: 18px; padding: 26px 28px 20px;
  border-bottom: 1px dashed var(--line); position: relative;
}
.pcard-hd::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--grad);
}
.pcard-no {
  flex: 0 0 auto; width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  font-size: 24px; font-weight: 800; color: #fff; background: var(--grad-soft);
  border: 1px solid rgba(124,58,237,.3); letter-spacing: -1px;
}
.pcard-hd h3 { margin: 0 0 6px; font-size: 22px; font-weight: 750; letter-spacing: -.3px; }
.pcard-hd p { margin: 0; font-size: 13.4px; color: var(--txt-3); }
.pcard-stats { margin-top: 12px; display: flex; gap: 16px; font-size: 12px; color: var(--txt-3); flex-wrap: wrap; }
.pcard-stats b { color: var(--txt-2); font-weight: 600; }
.chlist { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
.chitem {
  display: block; background: var(--panel); padding: 17px 20px 16px; transition: .18s; position: relative;
}
.chitem:hover { background: var(--panel-2); }
.chitem .ct { font-size: 14.4px; color: var(--txt); font-weight: 600; display: flex; align-items: baseline; gap: 8px; }
.chitem .ct .num {
  flex: 0 0 auto; font-size: 11px; color: var(--txt-3); font-variant-numeric: tabular-nums;
  border: 1px solid var(--line-2); border-radius: 5px; padding: 0 6px; line-height: 1.7;
}
.chitem:hover .ct .num { color: var(--cyan); border-color: rgba(56,194,242,.4); }
.chitem .cd { font-size: 12.3px; color: var(--txt-3); margin-top: 7px; line-height: 1.65;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.chitem .cm { margin-top: 9px; font-size: 11px; color: #5b6480; letter-spacing: .3px; }
.chitem.sub .ct { padding-left: 14px; }
.chitem.sub .ct::before { content: "↳"; color: var(--txt-3); font-size: 12px; margin-right: 2px; }

/* 章节页 */
.ch-head { margin-bottom: 26px; }
.ch-head h1 { font-size: 30px; margin: 0 0 12px; font-weight: 780; letter-spacing: -.5px; }
.ch-meta { display: flex; gap: 18px; flex-wrap: wrap; font-size: 12.3px; color: var(--txt-3); }
.ch-meta b { color: var(--txt-2); font-weight: 600; }
.chnav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 34px; }
.chnav a {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; transition: .2s;
}
.chnav a:hover { border-color: var(--cyan); }
.chnav .lab { font-size: 11.5px; color: var(--txt-3); letter-spacing: 1px; margin-bottom: 5px; }
.chnav .ti { font-size: 14.2px; color: var(--txt); font-weight: 600; }
.chnav a.nx { text-align: right; }
.chnav .empty { visibility: hidden; }

/* 统一图片卡：去装饰外框，图片按网页宽度适配、高度等比收缩 */
.doc figure { margin: 26px 0; }
.doc .figcard {
  border-radius: 0; padding: 0; border: none;
  background: transparent; display: flex; justify-content: center; align-items: center;
}
.doc .figcard.on-dark { background: transparent; }
.doc .figcard img { border-radius: 8px; display: block; max-width: 100%; height: auto; }
.doc .figcard.k-tall img { max-width: 100%; }
.doc .figcard.k-wide img { max-width: 100%; }
.doc .figcard.k-norm img { max-width: 100%; }
.doc figcaption { text-align: center; font-size: 12px; color: var(--txt-3); margin-top: 10px; letter-spacing: .3px; }
.doc figcaption .fn { color: var(--cyan); margin-right: 6px; font-variant-numeric: tabular-nums; }
.doc .dtable img.cellimg { max-width: 100%; margin: 8px auto 0; border-radius: 6px; border: 1px solid var(--line); }
.doc .dtable td[data-hasimg] { background: rgba(255,255,255,.015); }

/* 核心知识点卡：左释义 · 右配图（动图按需播放） */
.defcard {
  display: grid; grid-template-columns: 1fr 1.02fr; gap: 22px; align-items: start;
  margin: 20px 0; padding: 18px 20px 16px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.022), rgba(255,255,255,0));
  scroll-margin-top: calc(var(--nav-h) + 20px);
}
.defcard:hover { border-color: var(--line-2); background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,0)); }
.defcard.is-anim { border-left: 2px solid var(--cyan); }
.dc-head { display: flex; align-items: center; gap: 11px; margin-bottom: 9px; }
.dc-no {
  flex: 0 0 auto; min-width: 34px; height: 34px; padding: 0 9px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--grad-soft); border: 1px solid rgba(124,58,237,.28);
  font-size: 14px; font-weight: 700; color: var(--txt); font-variant-numeric: tabular-nums;
}
.dc-head h3 { margin: 0; font-size: 17px; line-height: 1.4; display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.dc-tag {
  font-style: normal; font-size: 11px; font-weight: 600; letter-spacing: .5px;
  padding: 3px 8px; border-radius: 999px; color: var(--cyan);
  background: rgba(56,194,242,.12); border: 1px solid rgba(56,194,242,.3);
}
.dc-body p { margin: 0; font-size: 14.4px; line-height: 1.95; color: var(--txt-2); }
.dc-pic img { cursor: zoom-in;
  width: 100%; height: auto; display: block; border-radius: 10px;
  background: #0a0d15; border: 1px solid var(--line);
}
.dc-bar { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.dc-btn {
  font: inherit; font-size: 12.4px; cursor: pointer; padding: 6px 12px; border-radius: 8px;
  color: var(--txt-2); background: var(--panel-2); border: 1px solid var(--line-2);
  transition: .18s;
}
.dc-btn:hover { color: var(--txt); border-color: var(--cyan); background: rgba(56,194,242,.08); }
.defcard.playing .dc-btn[data-act="replay"] { color: var(--cyan); border-color: rgba(56,194,242,.4); }

/* 图片放大弹层 */
.dc-lightbox {
  position: fixed; inset: 0; z-index: 300; background: rgba(3,4,8,.9);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 24px; cursor: zoom-out;
}
.dc-lightbox img { max-width: 96vw; max-height: 84vh; border-radius: 10px; box-shadow: var(--shadow); }
.dc-lightbox span { margin-top: 14px; font-size: 12.5px; color: var(--txt-3); }
.dc-lb-x {
  position: absolute; top: 18px; right: 22px; width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.08); border: 1px solid var(--line-2); color: var(--txt);
  font-size: 16px; cursor: pointer;
}

@media (max-width: 880px), (max-device-width: 880px) and (pointer: coarse) {
  .defcard { grid-template-columns: 1fr; gap: 14px; padding: 15px 15px 13px; }
}

/* 门户统计条 */
.pstat { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-bottom: 28px; }

@media (max-width: 1100px), (max-device-width: 1100px) and (pointer: coarse) {
  .ency-portal { grid-template-columns: 1fr; }
  .chlist { grid-template-columns: 1fr; }
  .pstat { grid-template-columns: repeat(2,1fr); }
  .chnav { grid-template-columns: 1fr; }
}

.picker { display: grid; grid-template-columns: 260px 1fr; gap: 26px; align-items: start; }
.plist { max-height: 560px; overflow-y: auto; padding-right: 4px; }
.plist::-webkit-scrollbar { width: 6px; }
.plist::-webkit-scrollbar-thumb { background: #242a3a; border-radius: 3px; }
.pitem {
  padding: 11px 14px; border-radius: 9px; font-size: 13.4px; color: var(--txt-2); cursor: pointer;
  border: 1px solid transparent; transition: .14s; display: flex; justify-content: space-between; gap: 8px;
}
.pitem:hover { background: rgba(255,255,255,.04); color: var(--txt); }
.pitem.on { background: var(--grad-soft); border-color: rgba(124,58,237,.35); color: #fff; }
.pitem small { color: var(--txt-3); font-size: 11.5px; font-variant-numeric: tabular-nums; }

/* services */
.svc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.svc .card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.svc .card.warn { border-color: rgba(248,113,113,.25); background: rgba(248,113,113,.03); }
.svc .card.good { border-color: rgba(74,222,128,.22); background: rgba(74,222,128,.03); }
.svc h4 { margin: 0 0 4px; font-size: 16.5px; }
.svc .t { font-size: 11.5px; letter-spacing: 2px; margin-bottom: 12px; }
.svc ul { margin: 0; padding-left: 18px; font-size: 13.4px; color: var(--txt-2); }
.svc li { margin: 7px 0; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.videos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.vcard { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; transition: .2s; display: block; }
.vcard:hover { transform: translateY(-4px); border-color: var(--cyan); box-shadow: var(--shadow); }
.vcard .thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.vcard .thumb img { width: 100%; height: 100%; object-fit: cover; transition: .3s; }
.vcard:hover .thumb img { transform: scale(1.05); }
.vcard .play {
  position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transition: .2s;
  background: rgba(0,0,0,.34);
}
.vcard:hover .play { opacity: 1; }
.vcard .play span { width: 48px; height: 48px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; }
.vcard .play svg { width: 18px; height: 18px; fill: #fff; margin-left: 2px; }
.vcard .cap { padding: 12px 14px; font-size: 13px; color: var(--txt-2); }
.qr-card { text-align: center; padding: 30px 24px; }
.qr-card img { width: 176px; margin: 16px auto 12px; border-radius: 12px; background: #fff; padding: 10px; }

/* footer */
footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 46px 0 34px; background: var(--bg-2); }
.foot-in { max-width: var(--max); margin: 0 auto; padding: 0 28px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 34px; }
.foot-in img { height: 28px; margin-bottom: 14px; }
.foot-in p { font-size: 12.8px; color: var(--txt-3); margin: 0; line-height: 1.8; }
.foot-in h5 { font-size: 13px; color: var(--txt); margin: 0 0 12px; letter-spacing: 1px; }
.foot-in a { display: block; font-size: 13px; color: var(--txt-3); padding: 4px 0; }
.foot-in a:hover { color: var(--cyan); }
.foot-bar { max-width: var(--max); margin: 34px auto 0; padding: 18px 28px 0; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; font-size: 12px; color: var(--txt-3); }

/* reveal */
.rv { opacity: 0; transform: translateY(18px); transition: .6s cubic-bezier(.2,.7,.2,1); }
.rv.in { opacity: 1; transform: none; }

/* misc */
.note { font-size: 12.5px; color: var(--txt-3); line-height: 1.7; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid2.eq > * { min-width: 0; }
.mb14 { margin-bottom: 14px; } .mb20 { margin-bottom: 20px; } .mb26 { margin-bottom: 26px; } .mb34 { margin-bottom: 34px; }
.flex { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.hr { height: 1px; background: var(--line); margin: 30px 0; }
@media (max-width: 1100px), (max-device-width: 1100px) and (pointer: coarse) {
  .entries { grid-template-columns: repeat(3, 1fr); }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .ency { grid-template-columns: 1fr; }
  .ency-side { position: static; max-height: none; }
  .picker { grid-template-columns: 1fr; }
  .cards.c4 { grid-template-columns: repeat(2, 1fr); }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .videos { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   移动端适配层  (2026-10-16)
   断点：1100 / 880（导航抽屉） / 640（单列） / 420
   设计前提：70-80% 访客用手机看，先保证手机可读、可点、可滑
   ============================================================ */

/* ---------- 抽屉式导航（1100 以下把视觉区改堆叠） ---------- */
.nav-burger, .nav-drawer, .toc-toggle { display: none; }

@media (max-width: 1100px), (max-device-width: 1100px) and (pointer: coarse) {
  .hero { padding: 56px 0 40px; }
  .hero-grid { gap: 26px; }
  .hero-visual { display: block; min-height: 0; margin: 26px auto 0; width: 100%; max-width: 520px; }
  .hero-visual .orb { display: none; }
  .hero-visual svg.flame { max-height: 300px; }
}

/* ---------- 880：导航转抽屉 + 主要栅格降列 ---------- */
@media (max-width: 880px), (max-device-width: 880px) and (pointer: coarse) {
  html { -webkit-text-size-adjust: 100%; }
  .wrap, .nav-in, .foot-in, .foot-bar { padding-left: 16px; padding-right: 16px; }
  .nav-menu, .nav .btn-contact { display: none; }

  .nav-burger {
    display: grid; place-items: center; align-content: center; gap: 5px; margin-left: auto;
    width: 42px; height: 42px; padding: 0; cursor: pointer;
    border: 1px solid var(--line-2); border-radius: 12px; background: rgba(255,255,255,.03);
  }
  .nav-burger i { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--txt); transition: .22s; }
  .nav.open .nav-burger i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .nav-burger i:nth-child(2) { opacity: 0; }
  .nav.open .nav-burger i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav-drawer {
    display: block; position: fixed; left: 0; right: 0; top: var(--nav-h); z-index: 89;
    padding: 8px 12px 16px; max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
    background: rgba(8,10,17,.97); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    opacity: 0; transform: translateY(-10px); pointer-events: none; transition: .22s;
  }
  .nav.open .nav-drawer { opacity: 1; transform: none; pointer-events: auto; }
  .nav-drawer a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 14px; border-radius: 12px; font-size: 16px; color: var(--txt-2);
    border-bottom: 1px solid rgba(29,34,49,.65);
  }
  .nav-drawer a:active { background: rgba(255,255,255,.05); }
  .nav-drawer a.on { color: var(--cyan); }
  .nav-drawer a.on span::after { content: "· 当前"; color: var(--txt-3); font-size: 12px; margin-left: 6px; }
  .nav-drawer a.drawer-cta {
    justify-content: center; margin-top: 12px; border-bottom: none;
    background: var(--grad); color: #fff; font-weight: 600;
  }
  body.nav-locked { overflow: hidden; }
  .stat-strip { grid-template-columns: 1fr 1fr; }

  section.block { padding: 44px 0; }
  .sec-head { margin-bottom: 24px; }
  .sec-head h2 { font-size: 24px; }
  .sec-head .eyebrow { font-size: 11.5px; letter-spacing: 2px; margin-bottom: 9px; }
  .page-head { padding: 34px 0 22px; }
  .page-head h1 { font-size: 26px; letter-spacing: -.3px; }
  .page-head p { font-size: 14.4px; }

  .entries { grid-template-columns: 1fr 1fr; }
  .kmap { grid-template-columns: 1fr; gap: 14px; }
  .kcol { padding: 20px; }
  .cards.c4, .cards.c3 { grid-template-columns: 1fr 1fr; }
  .cards.c2 { grid-template-columns: 1fr; }
  .svc { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 18px; }
  .tiles { grid-template-columns: 1fr 1fr !important; }
  .grid2 { grid-template-columns: 1fr !important; }
  .foot-in { grid-template-columns: 1fr; gap: 26px; }
  .foot-bar { flex-direction: column; gap: 6px; margin-top: 26px; }
  .videos { grid-template-columns: 1fr 1fr; }

  /* 表格：横向滑动 + 首列吸附 */
  .tbl-wrap { -webkit-overflow-scrolling: touch; }
  table.dt { font-size: 12.8px; }
  table.dt th { padding: 11px 12px; font-size: 12px; }
  table.dt td { padding: 10px 12px; }
  table.dt th:first-child, table.dt td:first-child {
    position: sticky; left: 0; z-index: 3; background: var(--panel);
    box-shadow: 1px 0 0 var(--line);
  }
  table.dt th:first-child { background: var(--panel-2); z-index: 5; }

  /* 产品仓库：产品列表收窄，图在下方 */
  .plist { max-height: 320px; }

  /* 百科：目录折叠 */
  .ency-side { position: static; max-height: none; overflow: visible; padding-right: 0; }
  .toc-toggle {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; padding: 12px 15px; margin: 4px 0 10px; cursor: pointer;
    border: 1px solid var(--line-2); border-radius: 11px; background: var(--panel);
    color: var(--txt-2); font-size: 13.5px; font-family: inherit;
  }
  .toc-toggle svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2.2; transition: .22s; }
  .ency-side.folded .toc-toggle svg { transform: rotate(-90deg); }
  .ency-side.folded #toc { display: none; }
  .pcard-hd { padding: 20px 18px 16px; gap: 14px; }
  .pcard-hd h3 { font-size: 19px; }
  .chitem { padding: 14px 16px; }
  .doc { padding: 24px 18px 32px; }
  .doc h2.dh1 { font-size: 22px; }
  .doc .dh2 { font-size: 18.5px; margin: 34px 0 6px; padding-top: 18px; }
  .doc .dh3 { font-size: 16px; }
  .doc p, .doc ul, .doc ol { font-size: 14.5px; }
  .doc blockquote { font-size: 14.4px; padding: 12px 15px; }
  .doc .figcard { padding: 9px; }
  .doc .figcard.k-tall img, .doc .figcard.k-norm img, .doc .figcard.k-wide img { max-width: 100%; }
  .doc .dtable { font-size: 12.6px; }
  .doc .dtable th, .doc .dtable td { padding: 8px 9px; }
  .doc .dtable img.cellimg { max-width: 100%; }
}

/* ---------- 640：单列 + 字号收束 ---------- */
@media (max-width: 640px), (max-device-width: 640px) and (pointer: coarse) {
  :root { --nav-h: 58px; }
  .nav-logo img { height: 25px; }
  .nav-logo .dom { display: none; }
  .beta-tag { margin-left: 8px; font-size: 10px; padding: 2px 7px; }

  .hero { padding: 30px 0 24px; }
  .kicker { font-size: 10.5px; letter-spacing: 1.1px; padding: 5px 11px; margin-bottom: 16px; }
  h1.hero-title { font-size: 29px; line-height: 1.3; letter-spacing: -.3px; margin-bottom: 16px; }
  .hero-sub { font-size: 14.4px; line-height: 1.8; margin-bottom: 22px; }
  .hero-actions { gap: 10px; }
  .hero-actions .btn { flex: 1 1 44%; justify-content: center; padding: 12px 16px; font-size: 14.4px; }
  .hero-visual { margin-top: 18px; }
  .hero-visual svg.flame { max-height: 250px; }
  .stat-strip { margin-top: 30px; }
  .stat { padding: 16px 12px; }
  .stat b { font-size: 25px; }
  .stat span { font-size: 11.2px; }

  section.block { padding: 34px 0; }
  .sec-head h2 { font-size: 21px; }
  .entries { grid-template-columns: 1fr; }
  .cards.c4, .cards.c3, .cards.c2 { grid-template-columns: 1fr; }
  .videos { grid-template-columns: 1fr; }

  .tile { padding: 15px 15px; }
  .tile .val { font-size: 21px; }
  .icard { padding: 18px; }
  .icard .top { gap: 12px; }
  .icard .top h3 { font-size: 18px; }
  .icard .kv { grid-template-columns: 1fr; }
  .ilogo { width: 48px; height: 48px; border-radius: 13px; }
  .chart-box { padding: 16px 14px; }
  .legend { gap: 10px 14px; font-size: 11.8px; }
  .chips { gap: 7px; }
  .chip { padding: 7px 13px; font-size: 13px; }
  .panel-pad { padding: 18px 16px; }

  .pstat { grid-template-columns: 1fr 1fr; gap: 10px; }
  .pcard-stats { gap: 12px; font-size: 11.5px; }
  .doc { padding: 20px 14px 26px; border-radius: 12px; }
  .doc h2.dh1 { font-size: 20px; }
  .chnav { gap: 10px; }
  .chnav a { padding: 13px 15px; }
  .qr-card img { width: 150px; }

  .foot-in { gap: 22px; }
  .foot-in img { height: 24px; }
}

/* ---------- 420：极限窄屏 ---------- */
@media (max-width: 420px), (max-device-width: 420px) and (pointer: coarse) {
  h1.hero-title { font-size: 26px; }
  .stat b { font-size: 22px; }
  .tile .val { font-size: 19px; }
  .metrics-thin { display: none; }
}

/* ---------- 触屏：去掉 hover 依赖、加大点击区 ---------- */
@media (hover: none) {
  .entry:hover, .icard:hover, .vcard:hover { transform: none; }
  .entry:hover .go { color: var(--txt-3); gap: 6px; }
  .pitem { padding: 12px 14px; }
  .toc-a { padding: 9px 12px 9px 20px; }
  .toc-a.lv3 { padding-left: 34px; }
}

/* ---------- 跨列小工具（替代行内 grid-column，便于断点覆盖） ---------- */
.tiles.t2 { grid-template-columns: repeat(2, 1fr); }
.tiles.t3 { grid-template-columns: repeat(3, 1fr); }
.tiles.t4 { grid-template-columns: repeat(4, 1fr); }
.tile-wide { grid-column: span 4; }
.icard .kv .kv-wide { grid-column: span 2; }

@media (max-width: 1100px), (max-device-width: 1100px) and (pointer: coarse) {
  .tiles.t3, .tiles.t4 { grid-template-columns: repeat(2, 1fr); }
  .tile-wide { grid-column: span 2; }
}
@media (max-width: 880px), (max-device-width: 880px) and (pointer: coarse) {
  .tiles.t2, .tiles.t3, .tiles.t4 { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 640px), (max-device-width: 640px) and (pointer: coarse) {
  .icard .kv .kv-wide { grid-column: span 1; }
}

/* ============================================================
   右下角常驻咨询二维码（2026-10-22）
   ============================================================ */
.qr-fab {
  position: fixed; right: 20px; bottom: 22px; z-index: 80;
  width: 56px; height: 56px; border-radius: 50%;
  background: #fff; border: 2px solid rgba(124,58,237,.55);
  box-shadow: 0 8px 26px rgba(0,0,0,.45), 0 0 0 0 rgba(124,58,237,.42);
  padding: 4px; cursor: pointer; transition: transform .18s;
  animation: qrpulse 2.6s infinite;
}
.qr-fab img { width: 100%; height: 100%; border-radius: 50%; display: block; }
.qr-fab:hover { transform: scale(1.08); }
.qr-fab .qr-fab-tip {
  position: absolute; right: 62px; top: 50%; transform: translateY(-50%);
  white-space: nowrap; font-size: 12px; color: #fff;
  background: rgba(10,12,20,.88); border: 1px solid var(--line-2);
  padding: 6px 11px; border-radius: 9px; pointer-events: none;
  opacity: 0; transition: opacity .18s;
}
.qr-fab:hover .qr-fab-tip { opacity: 1; }
@keyframes qrpulse {
  0%   { box-shadow: 0 8px 26px rgba(0,0,0,.45), 0 0 0 0 rgba(124,58,237,.42); }
  70%  { box-shadow: 0 8px 26px rgba(0,0,0,.45), 0 0 0 13px rgba(124,58,237,0); }
  100% { box-shadow: 0 8px 26px rgba(0,0,0,.45), 0 0 0 0 rgba(124,58,237,0); }
}
.qr-pop {
  position: fixed; right: 20px; bottom: 88px; z-index: 81;
  width: 218px; padding: 18px 18px 15px; text-align: center;
  background: rgba(13,16,26,.97); border: 1px solid var(--line-2);
  border-radius: 16px; box-shadow: 0 20px 50px rgba(0,0,0,.55);
  opacity: 0; transform: translateY(10px) scale(.96); pointer-events: none;
  transition: .2s;
}
.qr-pop.show { opacity: 1; transform: none; pointer-events: auto; }
.qr-pop img { width: 148px; height: 148px; border-radius: 10px; background: #fff; padding: 6px; }
.qr-pop b { display: block; margin-top: 10px; font-size: 14.5px; }
.qr-pop p { margin: 5px 0 0; font-size: 12.2px; color: var(--txt-3); line-height: 1.7; }
.qr-pop .qr-x {
  position: absolute; top: 8px; right: 10px; width: 26px; height: 26px;
  border: none; background: none; color: var(--txt-3); font-size: 17px;
  cursor: pointer; line-height: 1;
}
.qr-pop .qr-x:hover { color: var(--txt); }
@media (max-width: 640px) {
  .qr-fab { width: 48px; height: 48px; right: 14px; bottom: calc(14px + env(safe-area-inset-bottom)); }
  .qr-fab .qr-fab-tip { display: none; }
  .qr-pop { right: 12px; bottom: calc(72px + env(safe-area-inset-bottom)); width: 200px; }
}
@media print { .qr-fab, .qr-pop { display: none; } }