:root {
  --paper: #efe6cf;
  --paper-2: #e7dcbe;
  --paper-3: #d9cba3;
  --ink: #141210;
  --ink-2: #2b2620;
  --ink-soft: #4a4239;
  --mute: #7a6e5e;
  --rule: rgba(20, 18, 16, .22);
  --vermilion: #c83a26;
  --vermilion-deep: #9c2b1a;
  --teal: #274c54;
  --gold: #8a6a1f;
  --hair: .6px;
  --gutter: clamp(18px, 3vw, 40px);
  --display: Georgia, "Times New Roman", serif;
  --body: Georgia, "Times New Roman", "Songti SC", serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --han: "Songti SC", "Noto Serif SC", SimSun, serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background:
    radial-gradient(1200px 700px at 85% -10%, rgba(200, 58, 38, .08), transparent 60%),
    radial-gradient(1000px 800px at -10% 110%, rgba(39, 76, 84, .10), transparent 60%),
    var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 60;
  opacity: .35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.08  0 0 0 0 0.06  0 0 0 0 0.04  0 0 0 .25 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 59;
  background: radial-gradient(120% 100% at 50% 40%, transparent 60%, rgba(20, 18, 16, .12) 100%);
}
::selection { background: var(--vermilion); color: var(--paper); }

.page { max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter); position: relative; }
.ticker {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 2px solid var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  height: 30px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.ticker__track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: slide 60s linear infinite;
  padding-left: 48px;
}
.ticker__track span::before { content: "●"; color: var(--vermilion); margin-right: 12px; }
@keyframes slide { to { transform: translateX(-50%); } }

.masthead { padding: 44px 0 18px; border-bottom: 1px solid var(--ink); position: relative; }
.masthead__meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 18px;
}
.masthead__meta b { color: var(--vermilion-deep); letter-spacing: .28em; font-weight: 700; }
.title {
  font-family: var(--han);
  font-weight: 900;
  font-size: clamp(72px, 16vw, 230px);
  line-height: .82;
  letter-spacing: 0;
  margin: 6px 0 0;
  color: var(--ink);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2vw;
}
.title .han em { font-style: normal; color: var(--vermilion); position: relative; }
.title .han em::after {
  content: "";
  position: absolute;
  left: -2%;
  right: -2%;
  bottom: 8%;
  height: 22%;
  background: var(--vermilion);
  mix-blend-mode: multiply;
  opacity: .14;
  transform: skewY(-2deg);
}
.title__stamp {
  flex: 0 0 auto;
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--paper-2);
  transform: rotate(2.2deg);
  box-shadow: 2px 3px 0 var(--ink);
}
.title__stamp span { color: var(--vermilion-deep); font-weight: 700; }
.subhead {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
  border-top: var(--hair) solid var(--rule);
  padding-top: 14px;
}
.tagline { font-style: italic; font-size: clamp(18px, 2vw, 26px); color: var(--ink-2); margin: 0; }
.nav { display: flex; gap: 22px; font-family: var(--mono); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; }
.nav a, .paper-link { color: var(--ink); text-decoration: none; border-bottom: 1.5px solid var(--ink); padding-bottom: 2px; }
.nav a:hover, .paper-link:hover { color: var(--vermilion); border-color: var(--vermilion); }
.login-cta {
  min-height: 54px;
  border: 1px solid var(--ink);
  background: var(--paper-2);
  color: var(--ink);
  text-decoration: none;
  padding: 8px 12px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  box-shadow: 3px 3px 0 var(--teal);
  font-family: var(--mono);
}
.login-cta span { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.login-cta small { font-size: 10px; color: var(--ink-soft); letter-spacing: .04em; }
.login-cta:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--teal); }

.hero {
  display: grid;
  grid-template-columns: 1.4fr .5fr 1.1fr;
  gap: 36px;
  padding: 52px 0 36px;
  border-bottom: 3px double var(--ink);
}
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--vermilion-deep);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.kicker::before { content: ""; width: 26px; height: 1.5px; background: var(--vermilion-deep); }
.hero h1, .feature h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(34px, 4.4vw, 62px);
  line-height: 1.02;
  letter-spacing: 0;
  margin: 0 0 18px;
}
.hero h1 .drop {
  font-family: var(--han);
  font-weight: 900;
  font-size: 1.4em;
  float: left;
  line-height: .82;
  margin: 6px 14px 0 0;
  color: var(--vermilion);
}
.hero h1 i, .feature h2 em { color: var(--teal); font-style: italic; }
.hero__dek { font-size: 18.5px; line-height: 1.6; color: var(--ink-2); max-width: 54ch; }
.hero__rail {
  border-left: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  padding: 0 22px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--ink-soft);
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-transform: uppercase;
}
.hero__rail dt { color: var(--vermilion-deep); letter-spacing: .22em; font-size: 10px; margin-bottom: 2px; }
.hero__rail dd { margin: 0; color: var(--ink); font-size: 12.5px; letter-spacing: 0; text-transform: none; overflow-wrap: anywhere; }
.portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  background:
    repeating-linear-gradient(0deg, rgba(20,18,16,.06) 0 1px, transparent 1px 3px),
    radial-gradient(circle at 45% 45%, rgba(200,58,38,.22), transparent 30%),
    linear-gradient(180deg, #f7efd8, #d9cba3);
  border: 1px solid var(--ink);
  position: relative;
  overflow: hidden;
  box-shadow: 10px 10px 0 var(--ink), 14px 14px 0 var(--vermilion);
}
.portrait__cap { position: absolute; left: 10px; bottom: 10px; background: var(--ink); color: var(--paper); font-family: var(--mono); font-size: 10px; letter-spacing: .22em; text-transform: uppercase; padding: 6px 8px; }
.portrait__num { position: absolute; top: -14px; right: -14px; background: var(--vermilion); color: var(--paper); font-family: var(--han); font-weight: 900; font-size: 28px; width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; border: 2px solid var(--ink); transform: rotate(-10deg); }
.portrait__note {
  position: absolute;
  left: 22px;
  right: 22px;
  top: 22px;
  font-family: var(--display);
  font-size: clamp(30px, 4vw, 56px);
  line-height: .95;
  color: var(--ink);
}
.portrait__note span {
  display: block;
  margin-top: 16px;
  max-width: 20ch;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.45;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--vermilion-deep);
}

.feature { display: grid; grid-template-columns: 1.7fr 1fr; gap: 40px; padding: 46px 0; border-bottom: 1px solid var(--ink); align-items: start; }
.feature__tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: .3em; text-transform: uppercase; background: var(--paper-3); padding: 6px 10px; display: inline-block; border: 1px solid var(--ink); margin-bottom: 14px; }
.feature h2 { font-size: clamp(36px, 4.8vw, 72px); }
.feature__byline { font-family: var(--mono); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-soft); display: flex; gap: 18px; flex-wrap: wrap; padding: 10px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); margin-bottom: 20px; }
.donation-box { display: grid; gap: 18px; }
input[type="range"] { width: 100%; accent-color: var(--vermilion); }
textarea, input, select {
  width: 100%;
  border: 1px solid var(--ink);
  background: rgba(255,255,255,.22);
  color: var(--ink);
  border-radius: 0;
  padding: 12px;
  font: inherit;
}
textarea { min-height: 100px; resize: vertical; }
.checkbox { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; display: flex; align-items: center; gap: 10px; }
.checkbox input { width: auto; }
.actions, .admin-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
button {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  min-height: 42px;
  padding: 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--vermilion);
}
button:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--vermilion); }
button:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: 3px 3px 0 var(--mute); }
.feature__aside { position: sticky; top: 52px; font-family: var(--mono); font-size: 12px; line-height: 1.55; border-left: 2px solid var(--ink); padding: 8px 0 8px 18px; }
.feature__aside h4 { font-family: var(--han); font-weight: 900; font-size: 22px; margin: 0 0 14px; }
.feature__aside h4 span { color: var(--vermilion); }
.receipt, pre {
  min-height: 160px;
  border: 1px solid var(--ink);
  background: rgba(20,18,16,.08);
  padding: 12px;
  white-space: pre-wrap;
  overflow: auto;
  overflow-wrap: anywhere;
}
.order-card { display: grid; gap: 14px; white-space: normal; }
.order-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 10px;
  font-family: var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.order-card__head b { font-family: var(--display); font-size: 34px; letter-spacing: 0; color: var(--vermilion); }
.pay-qr {
  width: min(100%, 260px);
  height: auto;
  display: block;
  margin: 4px auto;
  border: 1px solid var(--ink);
  background: #f7efd8;
  padding: 10px;
  box-shadow: 5px 5px 0 var(--ink);
}
.order-card__meta {
  display: grid;
  grid-template-columns: minmax(70px, auto) 1fr;
  gap: 8px 12px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 11px;
}
.order-card__meta span { color: var(--vermilion-deep); letter-spacing: .18em; text-transform: uppercase; }
.order-card__meta code, .order-card__meta b { color: var(--ink); overflow-wrap: anywhere; }
.order-card__actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.pay-link {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--ink);
  background: var(--vermilion);
  color: var(--paper);
  text-decoration: none;
  padding: 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  box-shadow: 3px 3px 0 var(--ink);
}
.pay-link:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
.status-line, .mobile-pay-note { margin: 0; font-family: var(--mono); font-size: 11px; color: var(--ink-soft); letter-spacing: .04em; }
.loading-box, .error-box {
  display: grid;
  gap: 6px;
  min-height: 120px;
  place-content: center;
  text-align: center;
  white-space: normal;
}
.loading-box b, .error-box b { font-family: var(--display); font-size: 24px; font-weight: 500; }
.error-box b { color: var(--vermilion); }
.mini-list { display: grid; gap: 6px; margin-top: 10px; }
.mini-list span { border-top: 1px solid var(--rule); padding-top: 6px; }
.dispatches { padding: 56px 0 46px; border-bottom: 1px solid var(--ink); }
.sect-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; padding-bottom: 22px; border-bottom: 3px double var(--ink); margin-bottom: 28px; }
.sect-head h3 { font-family: var(--display); font-size: clamp(40px, 6vw, 96px); line-height: .9; margin: 0; letter-spacing: 0; font-weight: 400; }
.sect-head h3 .han { font-family: var(--han); font-weight: 900; color: var(--vermilion); margin-right: 14px; }
.sect-meta { font-family: var(--mono); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-soft); text-align: right; }
.posts { display: grid; grid-template-columns: repeat(12, 1fr); gap: 32px 28px; }
.post { position: relative; padding-top: 14px; }
.post--big { grid-column: span 7; }
.post--med { grid-column: span 5; }
.post--sm { grid-column: span 4; }
.post--empty { grid-column: 1 / -1; max-width: 780px; }
.post__meta { font-family: var(--mono); font-size: 10.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-soft); display: flex; justify-content: space-between; gap: 10px; padding-bottom: 10px; border-top: 1px solid var(--ink); padding-top: 10px; margin-bottom: 14px; }
.post__meta .num { font-family: var(--han); font-weight: 900; font-size: 18px; color: var(--vermilion); letter-spacing: 0; line-height: 1; }
.post h4 { font-family: var(--display); font-weight: 500; line-height: 1.04; margin: 0 0 12px; letter-spacing: 0; }
.post--big h4 { font-size: clamp(32px, 3.2vw, 46px); }
.post--med h4 { font-size: clamp(26px, 2.4vw, 34px); }
.post--sm h4 { font-size: clamp(22px, 2vw, 28px); }
.post h4 .red { color: var(--vermilion); }
.post p { margin: 0 0 12px; font-size: 16px; line-height: 1.55; color: var(--ink-2); }
.post__tag { display: inline-block; font-family: var(--mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--paper); background: var(--ink); padding: 3px 6px; margin-right: 6px; }
.single { column-count: 1; font-size: 18px; }
code { font-family: var(--mono); color: var(--vermilion-deep); }
.workbench-hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 28px; padding: 42px 0 34px; border-bottom: 3px double var(--ink); }
.status-card, .panel { border: 1px solid var(--ink); background: rgba(231, 220, 190, .72); padding: clamp(18px, 3vw, 28px); box-shadow: 5px 5px 0 rgba(20, 18, 16, .18); }
.status-card h2, .panel-head h2 { font-family: var(--display); font-size: clamp(30px, 4vw, 56px); line-height: 1; font-weight: 500; letter-spacing: 0; margin: 0 0 12px; }
.status-card p, .panel-head p { margin: 0; color: var(--ink-2); max-width: 62ch; }
.status-card.is-logged-in { background: rgba(217, 203, 163, .82); }
.session-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 22px; }
.profile-form { margin-top: 18px; display: grid; gap: 8px; }
.profile-form label { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--vermilion-deep); }
.profile-form__row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: center; }
.button-link { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--ink); background: var(--vermilion); color: var(--paper); text-decoration: none; padding: 0 16px; font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; box-shadow: 3px 3px 0 var(--ink); }
.button-link:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
.metric-board { display: grid; gap: 12px; }
.metric { border-top: 1px solid var(--ink); padding: 14px 0 0; font-family: var(--mono); min-width: 0; }
.metric span { display: block; color: var(--vermilion-deep); font-size: 10px; letter-spacing: .22em; text-transform: uppercase; }
.metric strong { display: block; margin-top: 6px; font-family: var(--display); font-size: clamp(24px, 3vw, 40px); font-weight: 500; letter-spacing: 0; overflow-wrap: anywhere; }
.workspace-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 28px; padding: 36px 0; border-bottom: 1px solid var(--ink); align-items: start; }
.account-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; padding: 36px 0; border-bottom: 1px solid var(--ink); }
.span-2 { grid-column: 1 / -1; }
.panel-head { margin-bottom: 22px; }
.panel-head.compact { margin-bottom: 14px; }
.panel-head.compact h2 { font-size: clamp(26px, 3vw, 42px); }
.payment-panel { min-width: 0; }
.order-panel { position: sticky; top: 46px; min-width: 0; }
.range-label { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; font-family: var(--mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; }
.range-label b { font-family: var(--display); color: var(--vermilion); font-size: 34px; letter-spacing: 0; text-transform: none; }
.hint-line { border-left: 3px solid var(--teal); padding: 8px 10px; background: rgba(39, 76, 84, .08); font-family: var(--mono); font-size: 11px; color: var(--ink-soft); }
.data-list { display: grid; gap: 10px; min-height: 120px; }
.data-row { width: 100%; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; border: 0; border-top: 1px solid var(--rule); padding: 10px 0 0; color: var(--ink); background: transparent; text-align: left; box-shadow: none; min-height: 0; font-family: var(--mono); letter-spacing: 0; text-transform: none; }
.data-row:hover { transform: none; box-shadow: none; }
.service-topup-row { text-decoration: none; padding: 12px 8px; border: 1px solid transparent; }
.service-topup-row:hover { border-color: var(--ink); background: rgba(255,255,255,.18); }
.data-row strong { display: block; font-family: var(--display); font-size: 24px; font-weight: 500; letter-spacing: 0; }
.data-row span, .data-row small { display: block; color: var(--ink-soft); font-size: 11px; overflow-wrap: anywhere; }
.data-row b { display: block; color: var(--vermilion-deep); text-align: right; white-space: nowrap; }
.summary-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 14px; }
.summary-strip span { border: 1px solid var(--rule); padding: 8px; font-family: var(--mono); font-size: 11px; color: var(--ink-soft); }
.summary-strip b { display: block; color: var(--ink); font-family: var(--display); font-size: 24px; font-weight: 500; }
.empty-state { min-height: 96px; display: grid; place-content: center; gap: 6px; text-align: center; color: var(--ink-soft); }
.empty-state strong { font-family: var(--display); color: var(--ink); font-size: 24px; font-weight: 500; }
.empty-state span { font-size: 13px; }
.integration-panel { margin: 36px 0 56px; }
.api-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.api-grid code { border: 1px solid var(--rule); padding: 10px; overflow-wrap: anywhere; background: rgba(20,18,16,.06); }
.toast { position: fixed; left: 50%; bottom: 22px; z-index: 80; transform: translateX(-50%); max-width: min(520px, calc(100vw - 28px)); border: 1px solid var(--ink); background: var(--ink); color: var(--paper); padding: 10px 14px; font-family: var(--mono); font-size: 12px; box-shadow: 4px 4px 0 var(--vermilion); }
.compact-error { min-height: auto; margin-top: 10px; padding: 10px; }
.login-paper, .admin-paper { min-height: 100vh; display: grid; place-items: center; padding: var(--gutter); }
.login-card, .admin-shell { width: min(860px, 100%); border: 1px solid var(--ink); background: var(--paper-2); padding: clamp(24px, 5vw, 48px); box-shadow: 8px 8px 0 var(--ink), 12px 12px 0 var(--vermilion); }
.login-card h1, .admin-shell h1 { font-family: var(--han); font-size: clamp(42px, 8vw, 96px); line-height: .9; margin: 0 0 24px; }
.login-card__lead { max-width: 52ch; color: var(--ink-soft); }
.login-card__grid { display: grid; grid-template-columns: minmax(180px, 260px) 1fr; gap: clamp(20px, 4vw, 42px); align-items: center; margin: 24px 0; }
.qr-panel { margin: 0; }
.qr-panel figcaption { margin-top: 8px; font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-soft); }
.wechat-qr { display: block; width: min(258px, 100%); aspect-ratio: 1; border: 1px solid var(--ink); background: var(--paper); object-fit: cover; box-shadow: 5px 5px 0 var(--ink); }
.code-panel {
  border-top: 3px double var(--ink);
  border-bottom: 3px double var(--ink);
  padding: 18px 0;
  position: relative;
}
.code-panel__label { font-family: var(--mono); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--vermilion-deep); }
.icon-button { position: absolute; top: 14px; right: 0; min-height: 34px; padding: 0 10px; box-shadow: 2px 2px 0 var(--teal); }
.login-code { font-family: var(--mono); font-size: clamp(42px, 10vw, 88px); letter-spacing: .1em; color: var(--vermilion); margin: 20px 0 10px; overflow-wrap: anywhere; }
.login-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.service-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 12px; margin: 20px 0; }
.service-form label { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--vermilion-deep); align-self: end; }
.service-form input, .service-form select { margin-bottom: 4px; }
.service-form button { grid-column: 1 / -1; }
.admin-shell pre { max-height: 55vh; }
.admin-page { width: min(1480px, 100%); margin: 0 auto; padding: 28px var(--gutter) 56px; }
.admin-top { display: flex; justify-content: space-between; gap: 20px; align-items: end; border-bottom: 3px double var(--ink); padding-bottom: 20px; margin-bottom: 20px; }
.admin-top h1 { font-family: var(--han); font-size: clamp(46px, 8vw, 118px); line-height: .9; margin: 0; }
.admin-status { border: 1px solid var(--ink); background: rgba(39, 76, 84, .08); padding: 12px; font-family: var(--mono); font-size: 12px; margin-bottom: 18px; }
.admin-status { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.admin-section-nav { display: flex; gap: 0; overflow-x: auto; border: 1px solid var(--ink); background: rgba(231, 220, 190, .72); margin-bottom: 12px; }
.admin-section-nav button { flex: 1 0 auto; min-height: 46px; box-shadow: none; border: 0; border-right: 1px solid var(--ink); background: transparent; color: var(--ink); }
.admin-section-nav button:last-child { border-right: 0; }
.admin-section-nav button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.admin-workspace-tools { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(160px, .35fr) auto minmax(220px, auto); gap: 10px; align-items: end; border-bottom: 3px double var(--ink); padding-bottom: 14px; margin-bottom: 18px; }
.admin-workspace-tools label { display: grid; gap: 4px; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--vermilion-deep); }
.admin-workspace-tools input, .admin-workspace-tools select { min-height: 42px; }
.admin-workspace-tools span { align-self: center; font-family: var(--mono); font-size: 10px; color: var(--ink-soft); text-align: right; }
.admin-kpis { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.admin-kpi { border: 1px solid var(--ink); background: rgba(231, 220, 190, .72); padding: 12px; min-width: 0; }
.admin-kpi span { display: block; font-family: var(--mono); font-size: 10px; color: var(--vermilion-deep); letter-spacing: .18em; text-transform: uppercase; }
.admin-kpi strong { display: block; font-family: var(--display); font-size: 30px; font-weight: 500; overflow-wrap: anywhere; }
.admin-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.admin-panel { border: 1px solid var(--ink); background: rgba(231, 220, 190, .72); padding: 16px; min-width: 0; }
.admin-panel.wide { grid-column: 1 / -1; }
.admin-panel__head { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; border-bottom: 1px solid var(--ink); padding-bottom: 10px; margin-bottom: 12px; }
.admin-panel__head h2 { font-family: var(--display); font-weight: 500; font-size: 34px; margin: 0; letter-spacing: 0; }
.admin-panel__head span { font-family: var(--mono); font-size: 11px; color: var(--ink-soft); }
.admin-table { overflow-x: auto; min-height: 120px; }
.admin-table table { width: 100%; border-collapse: collapse; min-width: 760px; font-family: var(--mono); font-size: 11px; }
.admin-table th, .admin-table td { border-bottom: 1px solid var(--rule); padding: 8px 6px; text-align: left; vertical-align: top; }
.admin-table th { color: var(--vermilion-deep); letter-spacing: .12em; text-transform: uppercase; }
.admin-table input, .admin-table select, .admin-table textarea { min-width: 130px; padding: 8px; font-size: 12px; }
.admin-table textarea { width: min(360px, 52vw); min-height: 56px; resize: vertical; font-family: var(--mono); }
.admin-table button { min-height: 34px; padding: 0 10px; font-size: 11px; }
.table-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.danger-button { background: var(--vermilion); color: var(--paper); box-shadow: 3px 3px 0 var(--ink); }
.admin-inline-actions { margin: 0 0 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.amount-grid { display: grid; grid-template-columns: repeat(3, minmax(78px, 1fr)); gap: 6px; }
.amount-grid input { min-width: 78px; }
.admin-badge { display: inline-block; border: 1px solid var(--ink); padding: 2px 6px; background: rgba(20, 18, 16, .08); white-space: nowrap; }
.secret-panel {
  border: 1px solid var(--ink);
  background: rgba(39, 76, 84, .10);
  box-shadow: 4px 4px 0 var(--teal);
  padding: 12px;
  margin: 14px 0 18px;
  font-family: var(--mono);
  font-size: 12px;
}
.secret-panel strong { display: block; color: var(--vermilion-deep); font-size: 13px; margin-bottom: 4px; }
.secret-panel p { margin: 0 0 10px; color: var(--ink-soft); }
.secret-panel dl { display: grid; grid-template-columns: minmax(120px, .35fr) 1fr; gap: 8px 12px; margin: 0 0 12px; }
.secret-panel dt { color: var(--ink-soft); }
.secret-panel dd { margin: 0; min-width: 0; }
.secret-panel code { overflow-wrap: anywhere; word-break: break-word; }
.secret-panel__actions { display: flex; flex-wrap: wrap; gap: 10px; }

.topup-body {
  --topup-ink: #132922;
  --topup-green: #1d6b53;
  --topup-mint: #dbe9e1;
  --topup-signal: #ff6948;
  background: linear-gradient(115deg, #edf4ef 0 68%, #d5e4db 68% 100%);
  color: var(--topup-ink);
  min-height: 100vh;
}
.topup-body::before, .topup-body::after { display: none; }
.topup-shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 24px 0 48px; }
.topup-brand { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 12px 0 22px; border-bottom: 1px solid var(--topup-ink); font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; }
.topup-brand a { color: var(--topup-ink); font-weight: 800; text-decoration: none; }
.topup-stage { min-height: calc(100vh - 120px); display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(380px, .78fr); gap: clamp(32px, 6vw, 84px); align-items: center; padding: 54px 0; }
.topup-copy { min-width: 0; }
.topup-eyebrow { margin: 0 0 18px; font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--topup-green); }
.topup-copy h1 { margin: 0; font-family: var(--display); font-size: clamp(86px, 14vw, 188px); line-height: .78; font-weight: 500; letter-spacing: -.055em; color: var(--topup-ink); }
.topup-copy h1 small { display: block; margin: 18px 0 0 8px; font-family: var(--han); font-size: clamp(22px, 3vw, 38px); letter-spacing: .1em; }
.topup-lead { max-width: 42ch; margin: 34px 0; font-size: clamp(18px, 2vw, 24px); line-height: 1.5; }
.topup-lead strong { color: var(--topup-signal); font-family: var(--mono); }
.topup-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--topup-ink); }
.topup-facts div { padding: 12px 8px 12px 0; border-bottom: 1px solid rgba(19,41,34,.25); min-width: 0; }
.topup-facts dt { font-family: var(--mono); font-size: 9px; letter-spacing: .16em; text-transform: uppercase; color: var(--topup-green); }
.topup-facts dd { margin: 4px 0 0; font-size: 14px; overflow-wrap: anywhere; }
.topup-track { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 32px 0 0; padding: 0; }
.topup-track li { position: relative; display: grid; gap: 8px; color: rgba(19,41,34,.45); font-family: var(--mono); font-size: 10px; }
.topup-track li::after { content: ""; position: absolute; top: 13px; left: 30px; right: 6px; height: 1px; background: currentColor; }
.topup-track li:last-child::after { display: none; }
.topup-track span { width: 27px; height: 27px; border: 1px solid currentColor; border-radius: 50%; display: grid; place-items: center; background: #edf4ef; z-index: 1; }
.topup-track .is-done { color: var(--topup-green); }
.topup-track .is-done span { color: white; background: var(--topup-green); }
.topup-receipt { position: relative; border: 1px solid var(--topup-ink); background: #f7fbf8; padding: clamp(22px, 3vw, 34px); box-shadow: 14px 14px 0 var(--topup-green); }
.topup-receipt::before { content: "PAYMENT RECEIPT"; position: absolute; top: -14px; right: 18px; background: var(--topup-signal); color: #fff; padding: 5px 9px; font-family: var(--mono); font-size: 9px; letter-spacing: .16em; }
.topup-receipt.is-paid { box-shadow: 14px 14px 0 var(--topup-signal); }
.topup-receipt__status { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--topup-ink); }
.topup-receipt__status span { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; }
.topup-receipt__status strong { font-family: var(--display); font-size: 42px; font-weight: 500; color: var(--topup-signal); }
.topup-qr { display: block; width: min(100%, 300px); height: auto; margin: 28px auto; border: 1px solid var(--topup-ink); padding: 12px; background: #fff; }
.topup-qr-empty, .topup-result-mark { min-height: 260px; display: grid; place-content: center; text-align: center; margin: 24px 0; border: 1px dashed rgba(19,41,34,.45); }
.topup-result-mark { font-family: var(--display); font-size: 150px; line-height: 1; color: var(--topup-green); }
.topup-poll, .topup-footnote { font-family: var(--mono); font-size: 11px; line-height: 1.55; color: rgba(19,41,34,.72); }
.topup-actions { display: grid; gap: 10px; margin: 18px 0; }
.topup-primary, .topup-return { min-height: 46px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--topup-ink); padding: 0 14px; text-decoration: none; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-align: center; }
.topup-primary { background: var(--topup-ink); color: white; }
.topup-return { color: var(--topup-ink); background: transparent; }
.topup-loading, .topup-error { grid-column: 1 / -1; min-height: 60vh; display: grid; place-content: center; justify-items: start; max-width: 680px; }
.topup-loading span { width: 90px; height: 6px; background: var(--topup-signal); animation: topup-scan 1.2s ease-in-out infinite alternate; }
.topup-loading strong, .topup-error h1 { margin: 20px 0 8px; font-family: var(--display); font-size: clamp(38px, 6vw, 76px); line-height: 1; }
.topup-loading p, .topup-error p { max-width: 52ch; color: rgba(19,41,34,.72); }
.topup-error > span { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; color: var(--topup-signal); }
@keyframes topup-scan { to { transform: translateX(220px); } }

@media (max-width: 900px) {
  .hero, .feature { grid-template-columns: 1fr; }
  .workbench-hero, .workspace-grid, .account-grid { grid-template-columns: 1fr; }
  .hero__rail, .feature__aside { position: static; border-right: 0; }
  .order-panel { position: static; }
  .api-grid { grid-template-columns: 1fr 1fr; }
  .portrait { max-width: 420px; }
  .posts { grid-template-columns: 1fr; }
  .post--big, .post--med, .post--sm { grid-column: auto; }
  .title { font-size: clamp(64px, 22vw, 130px); flex-direction: column; align-items: flex-start; }
  .service-form { grid-template-columns: 1fr; }
  .secret-panel dl { grid-template-columns: 1fr; }
  .admin-top { align-items: start; flex-direction: column; }
  .admin-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-grid { grid-template-columns: 1fr; }
  .admin-workspace-tools { grid-template-columns: 1fr 1fr; }
  .topup-stage { grid-template-columns: 1fr; }
  .topup-receipt { max-width: 560px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; line-height: 1.5; }
  .ticker { height: 26px; font-size: 9px; }
  .page { padding: 0 14px; }
  .masthead { padding-top: 28px; }
  .masthead__meta { gap: 10px; font-size: 9px; letter-spacing: .14em; }
  .subhead { align-items: flex-start; }
  .nav { width: 100%; overflow-x: auto; gap: 16px; padding-bottom: 4px; }
  .hero { padding-top: 34px; gap: 24px; }
  .hero h1, .feature h2 { font-size: clamp(34px, 12vw, 54px); }
  .hero__dek { font-size: 16px; }
  .hero__rail { border-left: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; }
  .portrait { box-shadow: 6px 6px 0 var(--ink), 10px 10px 0 var(--vermilion); }
  .feature { padding: 34px 0; gap: 24px; }
  .feature__byline { letter-spacing: .12em; }
  .actions, .admin-actions, .order-card__actions { align-items: stretch; flex-direction: column; }
  button, .login-cta, .pay-link, .button-link { width: 100%; justify-content: center; text-align: center; }
  .session-actions { align-items: stretch; flex-direction: column; }
  .profile-form__row { grid-template-columns: 1fr; }
  .workbench-hero { padding-top: 28px; }
  .status-card, .panel { padding: 16px 14px; box-shadow: 3px 3px 0 rgba(20, 18, 16, .18); }
  .summary-strip { grid-template-columns: 1fr; }
  .data-row { grid-template-columns: 1fr; }
  .data-row b { text-align: left; }
  .api-grid { grid-template-columns: 1fr; }
  .feature__aside { border-left: 0; padding-left: 0; }
  .receipt, pre { min-height: 140px; padding: 10px; }
  .pay-qr { width: min(100%, 236px); }
  .order-card__meta { grid-template-columns: 1fr; }
  .sect-meta { text-align: left; }
  .post--big h4, .post--med h4, .post--sm h4 { font-size: clamp(26px, 9vw, 38px); }
  .login-paper, .admin-paper { align-items: start; padding: 18px 14px 32px; }
  .login-card, .admin-shell { box-shadow: 5px 5px 0 var(--ink), 8px 8px 0 var(--vermilion); }
  .login-card__grid { grid-template-columns: 1fr; }
  .wechat-qr { width: min(258px, 100%); margin: 0 auto; }
  .icon-button { position: static; width: auto; margin-top: 8px; }
  .login-code { font-size: clamp(40px, 16vw, 68px); letter-spacing: .06em; }
  .admin-page { padding: 18px 14px 40px; }
  .admin-kpis { grid-template-columns: 1fr; }
  .admin-workspace-tools { grid-template-columns: 1fr; }
  .admin-workspace-tools span { text-align: left; }
  .topup-shell { width: min(100% - 28px, 720px); }
  .topup-stage { padding-top: 38px; }
  .topup-copy h1 { font-size: clamp(72px, 28vw, 126px); }
  .topup-facts { grid-template-columns: 1fr; }
  .topup-receipt { box-shadow: 8px 8px 0 var(--topup-green); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker__track, .topup-loading span { animation: none; }
}