/* ============================================================
   Claude 封号体检室 · Export Forensics
   Aesthetic: 审计卷宗 · 精修版
   纸白台面 + 墨色铅字 + 印泥红点睛；宋体大标题、账册表格、
   偏移硬影纸卡、双线规、封底墨条。可读性与呼吸感优先。
   ============================================================ */
:root {
  --paper:        oklch(98% 0.006 85);
  --paper-deep:   oklch(96.2% 0.011 82);
  --paper-inset:  oklch(94.3% 0.014 80);
  --ink:          oklch(0.25 0.012 60);
  --ink-soft:     oklch(0.43 0.015 64);
  --ink-faint:    oklch(0.62 0.012 70);
  --line:         oklch(0.80 0.012 72);
  --line-faint:   oklch(0.88 0.008 76);
  --seal:         oklch(0.51 0.19 30);
  --seal-deep:    oklch(0.43 0.18 29);
  --seal-wash:    oklch(0.948 0.028 32);
  --jade:         oklch(0.45 0.075 165);
  --jade-wash:    oklch(0.945 0.028 168);
  --amber:        oklch(0.58 0.115 78);
  --amber-wash:   oklch(0.955 0.042 85);
  --graphite:     oklch(0.34 0.014 250);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans:  "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --paper-shadow: 3px 3px 0 oklch(0.25 0.012 60 / 0.13);
  --paper-shadow-lg: 5px 5px 0 oklch(0.25 0.012 60 / 0.14);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
}
.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(20px, 4vw, 52px) clamp(18px, 4.5vw, 56px) 0;
}

/* ---------- 报头 ---------- */
.masthead { position: relative; padding-top: clamp(12px, 2.5vw, 28px); }
.masthead::before {
  /* 卷宗首页的超大「封」字水印 */
  content: "封";
  position: absolute; right: -0.04em; top: -0.28em;
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(180px, 30vw, 330px); line-height: 1;
  color: oklch(0.25 0.012 60 / 0.045);
  pointer-events: none; user-select: none;
}
.masthead-inner {
  position: relative;
  display: flex; gap: 28px; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; padding-top: clamp(4px, 1vw, 12px);
}
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.18em;
  color: var(--seal-deep); text-transform: uppercase;
  margin: 0 0 12px;
}
.kicker::before { content: ""; width: 26px; height: 2px; background: var(--seal); }
h1 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(34px, 5.6vw, 56px);
  line-height: 1.12;
  letter-spacing: 0.05em;
  margin: 0 0 14px;
}
.mast-sub { color: var(--ink-soft); margin: 0; max-width: 42em; font-size: 15.5px; }
.mast-sub b { color: var(--seal-deep); }
.mast-seal { flex-shrink: 0; padding: 0 clamp(4px, 2vw, 28px) 10px 0; }
.rule-double {
  border: 0; border-top: 4px double var(--ink);
  height: 0; margin: clamp(20px, 3.4vw, 34px) 0 0;
}
.mast-notice {
  font-size: 13px; color: var(--ink-soft); margin: 12px 0 0;
  padding-left: 12px; border-left: 3px solid var(--seal);
}
.mast-notice b { color: var(--seal-deep); }

/* ---------- 通用小件 ---------- */
.muted { color: var(--ink-soft); font-size: 14px; }
.fine { font-size: 12.5px; }
code {
  font-family: var(--mono); font-size: 0.85em;
  background: var(--paper-inset); border: 1px solid var(--line-faint);
  padding: 1px 6px; border-radius: 3px;
}
.hidden { display: none !important; }
b { font-weight: 700; }
a { color: var(--seal-deep); text-decoration: none; border-bottom: 1px solid oklch(0.51 0.19 30 / 0.35); }
a:hover { color: var(--seal); border-bottom-color: var(--seal); }

.btn {
  font-family: var(--sans);
  font-size: 14px; font-weight: 500;
  border-radius: 4px; cursor: pointer;
  padding: 9px 18px; border: 1px solid var(--ink);
  background: var(--paper); color: var(--ink);
  transition: background-color 150ms cubic-bezier(0.25,1,0.5,1), color 150ms, border-color 150ms, box-shadow 150ms, transform 150ms;
}
.btn:hover { background: var(--ink); color: var(--paper); box-shadow: 3px 3px 0 oklch(0.25 0.012 60 / 0.18); }
.btn:active { transform: translate(1px, 1px); box-shadow: none; }
.btn:focus-visible { outline: 2px solid var(--seal); outline-offset: 2px; }
.btn-primary { background: var(--ink); color: var(--paper); font-weight: 700; box-shadow: 3px 3px 0 oklch(0.51 0.19 30 / 0.5); }
.btn-primary:hover { background: var(--seal-deep); border-color: var(--seal-deep); color: var(--paper); }
.btn-primary[disabled] { opacity: 0.4; cursor: not-allowed; box-shadow: none; }
.btn-ghost { border-color: var(--line); color: var(--ink-soft); background: transparent; }
.btn-ghost:hover { background: var(--paper-inset); color: var(--ink); border-color: var(--ink); box-shadow: none; }
.btn-danger-ghost:hover { background: var(--seal-wash); color: var(--seal-deep); border-color: var(--seal-deep); }

.tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  padding: 1.5px 8px; border-radius: 3px; vertical-align: 1px;
}
.tag-need { background: var(--seal-wash); color: var(--seal-deep); border: 1px solid oklch(0.51 0.19 30 / 0.4); }
.tag-opt  { background: var(--amber-wash); color: oklch(0.42 0.093 78); border: 1px solid oklch(0.58 0.115 78 / 0.5); }

/* ---------- 章节 ---------- */
.section { margin-top: clamp(48px, 7.5vw, 84px); scroll-margin-top: 24px; }
.section-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 22px; }
.section-no {
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(34px, 4.4vw, 46px); line-height: 1;
  color: var(--seal);
  text-shadow: 2px 2px 0 oklch(0.51 0.19 30 / 0.18);
  flex-shrink: 0;
}
.section-kicker {
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0 0 3px;
}
.section-title-wrap h2 {
  font-family: var(--serif); font-weight: 900; font-size: clamp(21px, 2.8vw, 27px);
  letter-spacing: 0.04em; margin: 0; line-height: 1.2;
}
.leader {
  flex: 1; height: 10px; align-self: center; min-width: 40px;
  border-bottom: 1.5px dashed var(--line);
}

/* ---------- 壹 · 导入 ---------- */
.intake-row p { margin-top: 0; }
.ledger-list {
  list-style: none; margin: 16px 0 0; padding: 2px 18px;
  border: 1px solid var(--ink); background: var(--paper-deep);
  box-shadow: var(--paper-shadow);
}
.ledger-list li {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 2px; border-bottom: 1px dashed var(--line-faint);
  font-family: var(--mono); font-size: 13px;
}
.ledger-list li:last-child { border-bottom: 0; }
.ledger-list li .muted { font-family: var(--sans); margin-left: auto; }
.howto { margin-top: 12px; font-size: 13.5px; }
.howto summary { cursor: pointer; color: var(--seal-deep); font-weight: 600; }
.howto summary:hover { color: var(--seal); }
.howto ol { margin: 10px 0 0 18px; color: var(--ink-soft); }

.tray {
  margin-top: 20px; border: 1px solid var(--ink); background: var(--paper-deep);
  box-shadow: var(--paper-shadow-lg);
}
.tray-drop {
  padding: clamp(26px, 4.5vw, 48px) 20px; text-align: center; cursor: pointer;
  transition: background-color 200ms cubic-bezier(0.25,1,0.5,1);
}
.tray-drop:hover, .tray-drop:focus-visible { background: var(--seal-wash); }
.tray-drop.dover { background: var(--seal-wash); box-shadow: inset 0 0 0 2px var(--seal); }
.tray-main { font-family: var(--serif); font-weight: 900; font-size: 18px; margin: 0 0 5px; letter-spacing: 0.04em; }
.tray-muted { color: var(--ink-faint); font-size: 13px; margin: 0; }
.tray-files { padding: 4px 18px 0; }
.tray-file {
  display: flex; align-items: center; gap: 10px; padding: 9px 2px;
  border-bottom: 1px dashed var(--line-faint); font-family: var(--mono); font-size: 12.5px;
  animation: rise 420ms cubic-bezier(0.25,1,0.5,1) both;
}
.tray-file .tag { flex-shrink: 0; }
.tray-file .fbytes { color: var(--ink-faint); }
.tray-file .fdrop { margin-left: auto; border: 0; background: none; cursor: pointer; color: var(--ink-faint); }
.tray-file .fdrop:hover { color: var(--seal-deep); }
.tray-foot {
  display: flex; gap: 10px; padding: 14px 18px; flex-wrap: wrap; align-items: center;
  border-top: 1px solid var(--line); background: var(--paper-inset);
}
.paste-hidden { margin-top: 12px; border: 1px solid var(--line); background: var(--paper-deep); padding: 12px 14px; box-shadow: var(--paper-shadow); }
.paste-hidden textarea {
  width: 100%; margin: 6px 0 10px; font-family: var(--mono); font-size: 12.5px;
  background: var(--paper); border: 1px solid var(--line); color: var(--ink); padding: 8px;
  resize: vertical;
}
.paste-hidden textarea:focus { outline: 2px solid var(--seal); outline-offset: 1px; }

/* ---------- 贰 · 事实卡 ---------- */
.facts-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
}
.fact-card {
  border: 1px solid var(--ink); background: var(--paper-deep);
  box-shadow: var(--paper-shadow);
  transition: transform 200ms cubic-bezier(0.25,1,0.5,1), box-shadow 200ms cubic-bezier(0.25,1,0.5,1);
}
.fact-card:hover { transform: translate(-1px, -1px); box-shadow: var(--paper-shadow-lg); }
.fact-card > header {
  padding: 12px 16px 10px; border-bottom: 1px solid var(--line);
  background: var(--paper-inset);
  position: relative;
}
.fact-card > header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px;
  border-bottom: 1px solid var(--line-faint);
}
.card-kicker {
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--graphite); margin: 0 0 1px;
}
.fact-card h3 { font-family: var(--serif); font-weight: 900; font-size: 17px; letter-spacing: 0.03em; margin: 0; }
.card-intel { padding: 9px 16px 0; font-size: 12px; }
.card-intel.busy { color: var(--ink-faint); }
.card-body { padding: 13px 16px 16px; }

.chip-row { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 12px; }
.chip {
  font-size: 12px; font-weight: 500; padding: 3px 10px; border-radius: 3px;
  border: 1px solid transparent; line-height: 1.55;
}
.chip-high { background: var(--seal-wash); color: var(--seal-deep); border-color: oklch(0.51 0.19 30 / 0.5); }
.chip-warn { background: var(--amber-wash); color: oklch(0.40 0.093 78); border-color: oklch(0.58 0.115 78 / 0.5); }
.chip-info { background: var(--paper-inset); color: var(--ink-soft); border-color: var(--line); }
.chip-ok   { background: var(--jade-wash); color: var(--jade); border-color: oklch(0.45 0.075 165 / 0.4); }
.chip-sev-hint { display: block; position: relative; max-width: 260px; font-weight: 600; }
.chip .sev-pip { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 5px; vertical-align: 1px; background: currentColor; opacity: 0.8; }

.audit-table { width: 100%; border-collapse: collapse; font-size: 12.5px; font-family: var(--mono); }
.audit-table th {
  text-align: left; font-weight: 500; color: var(--ink-faint);
  font-size: 11px; letter-spacing: 0.09em; text-transform: uppercase;
  border-bottom: 3px double var(--ink); padding: 3px 8px 4px 0; white-space: nowrap;
}
.audit-table td { padding: 6px 8px 6px 0; border-bottom: 1px dashed var(--line-faint); vertical-align: top; }
.audit-table tr:last-child td { border-bottom: 0; }
.audit-table td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.audit-table .ip { word-break: break-all; }
.badge {
  display: inline-block; font-size: 10.5px; font-weight: 700; padding: 1px 7px; border-radius: 3px;
  letter-spacing: 0.05em;
}
.badge-proxy { background: var(--seal); color: var(--paper); }
.badge-clean { background: var(--jade); color: var(--paper); }
.badge-unknown { background: var(--paper-inset); color: var(--ink-faint); border: 1px dashed var(--line); }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; font-size: 13px; }
.kv dt { color: var(--ink-faint); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; padding-top: 2.5px; }
.kv dd { margin: 0; font-family: var(--mono); font-size: 12.5px; word-break: break-all; }

.dupe-list { margin: 6px 0 0; padding: 0; list-style: none; }
.dupe-list li {
  padding: 9px 0 9px 14px; border-left: 3px double var(--seal); margin-bottom: 9px;
  background: linear-gradient(to right, var(--seal-wash), transparent 72%);
}
.dupe-list .dupe-prompt { font-family: var(--serif); font-weight: 900; font-size: 14.5px; letter-spacing: 0.02em; }
.dupe-list .dupe-meta { font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft); }
.topic-list { margin: 0; padding: 0; list-style: none; max-height: 240px; overflow: auto; }
.topic-list li { padding: 6px 0; border-bottom: 1px dashed var(--line-faint); font-size: 13px; }
.topic-list li:last-child { border-bottom: 0; }
.topic-list .t-meta { color: var(--ink-faint); font-family: var(--mono); font-size: 11px; }
.empty-teach {
  color: var(--ink-faint); font-size: 13.5px; text-align: center; padding: 24px 12px;
  border: 1.5px dashed var(--line); background: var(--paper-inset);
}
.facts-actions { margin-top: 18px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ---------- 叁 · 解锁 ---------- */
.unlock-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}
.pay-tile {
  border: 1px solid var(--ink); border-radius: 2px; background: var(--paper-deep);
  padding: 18px; box-shadow: var(--paper-shadow);
}
.pay-label {
  font-family: var(--serif); font-weight: 900; font-size: 15.5px; letter-spacing: 0.03em;
  margin: 0 0 14px; display: flex; justify-content: space-between; align-items: baseline; gap: 8px;
}
.pay-amount { font-size: 19px; color: var(--seal-deep); font-variant-numeric: tabular-nums; }
.qr { display: block; width: 200px; height: 200px; margin: 0 auto; border: 1px solid var(--line); background: #fff; }
.qr-contact { width: 180px; height: 180px; }
.pay-hint { color: var(--ink-soft); font-size: 12.5px; text-align: center; margin: 12px 0 0; }
.unlock-row { margin-top: 20px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.unlock-row input {
  font-family: var(--mono); font-size: 15px; letter-spacing: 0.12em;
  padding: 10px 14px; border: 1px solid var(--ink); border-radius: 3px; background: var(--paper); color: var(--ink);
  width: min(340px, 100%);
}
.unlock-row input:focus-visible { outline: 2px solid var(--seal); outline-offset: 2px; }
.unlock-state.ok { color: var(--jade); font-weight: 700; }
.unlock-state.err { color: var(--seal-deep); }
.norefund {
  margin-top: 14px; border: 1px solid oklch(0.51 0.19 30 / 0.45); border-left-width: 4px;
  background: var(--seal-wash); padding: 9px 14px; font-size: 12.5px; color: var(--seal-deep);
}
.norefund b { color: var(--seal-deep); }

/* ---------- 肆 · 报告 ---------- */
.report-progress ol { list-style: none; display: flex; gap: 4px; padding: 0; margin: 0 0 8px; flex-wrap: wrap; }
.report-progress li {
  font-size: 12.5px; color: var(--ink-faint); padding: 6px 12px;
  border-bottom: 2px solid transparent; font-variant-numeric: tabular-nums;
  display: flex; align-items: center; gap: 8px;
}
.report-progress li i { width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid currentColor; }
.report-progress li.done { color: var(--ink); border-bottom-color: var(--jade); }
.report-progress li.done i { background: var(--jade); border-color: var(--jade); }
.report-progress li.active { color: var(--seal-deep); font-weight: 700; }
.report-progress li.active i { background: var(--seal); border-color: var(--seal); animation: pip 1s ease-in-out infinite; }

.report-verdict {
  display: flex; gap: 24px; align-items: center; flex-wrap: wrap;
  border: 1px solid var(--ink); background: var(--paper-deep); padding: 20px;
  margin-bottom: 18px; box-shadow: var(--paper-shadow-lg);
}
.stamp {
  font-family: var(--serif); font-weight: 900; color: var(--seal-deep);
  border: 3px solid var(--seal-deep); border-radius: 6px;
  display: inline-grid; place-items: center; text-align: center;
  letter-spacing: 0.14em; line-height: 1.2;
  transform: rotate(-4deg);
  background:
    radial-gradient(circle at 28% 32%, oklch(0.51 0.19 30 / 0.14), transparent 58%),
    var(--seal-wash);
  box-shadow: inset 0 0 0 2px var(--paper-deep), inset 0 0 0 3.5px var(--seal-deep);
}
.stamp-ring { width: 118px; height: 118px; font-size: 15px; padding: 10px; }
.stamp.pass { border-color: var(--jade); color: var(--jade); background: var(--jade-wash); box-shadow: inset 0 0 0 2px var(--paper-deep), inset 0 0 0 3.5px var(--jade); }
.stamp.warn { border-color: var(--amber); color: oklch(0.44 0.10 78); background: var(--amber-wash); box-shadow: inset 0 0 0 2px var(--paper-deep), inset 0 0 0 3.5px var(--amber); }
.verdict-texts { min-width: min(400px, 100%); }
.verdict-head { font-family: var(--serif); font-weight: 900; font-size: 21px; margin: 0 0 4px; letter-spacing: 0.02em; }
.verdict-sub { font-size: 13px; color: var(--ink-soft); margin: 0 0 10px; }
.risk-meter { display: grid; gap: 4px; }
.risk-meter .bar { height: 9px; background: var(--paper-inset); border: 1px solid var(--line); }
.risk-meter .bar i { display: block; height: 100%; background: var(--seal); transform-origin: left center; animation: grow 700ms cubic-bezier(0.25,1,0.5,1) both; }
.risk-meter .bar.low i { background: var(--jade); }
.risk-meter .bar.medium i { background: var(--amber); }
.risk-meter .num { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }

.dim-rows { border: 1px solid var(--ink); background: var(--paper-deep); box-shadow: var(--paper-shadow); }
.dim-row { border-bottom: 1px dashed var(--line-faint); padding: 16px; background: var(--paper-deep); }
.dim-row:last-child { border-bottom: 0; }
.dim-top { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.dim-name { font-family: var(--serif); font-weight: 900; font-size: 15.5px; letter-spacing: 0.03em; }
.dim-verdict { margin-left: auto; flex-shrink: 0; }
.dim-narr { margin: 6px 0 8px; font-size: 14px; }
.dim-breakdown { display: grid; gap: 3px 12px; font-size: 13.5px; }
.dim-breakdown .evid { display: flex; gap: 8px; }
.dim-breakdown .evid::before { content: "—"; color: var(--seal); font-weight: 700; }
.principles { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.principle {
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.05em;
  padding: 2.5px 10px; border-radius: 3px;
  background: var(--paper-inset); border: 1px solid var(--line); color: var(--ink-soft);
}
.principle.hot { background: var(--seal-wash); border-color: oklch(0.51 0.19 30 / 0.5); color: var(--seal-deep); }

.report-after { margin-top: 16px; border-top: 1px dashed var(--line); padding-top: 12px; }
.report-actions { margin-top: 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.report-error { border: 1px solid var(--seal); background: var(--seal-wash); color: var(--seal-deep); padding: 12px 14px; font-size: 13.5px; }

/* ---------- 伍 · 边界 ---------- */
.boundary-list { margin: 0; padding: 0; list-style: none; column-gap: 44px; }
.boundary-list li { padding: 9px 2px; border-bottom: 1px dashed var(--line-faint); font-size: 13.5px; color: var(--ink-soft); }
.boundary-list b { color: var(--ink); }
@media (min-width: 760px) { .boundary-list { columns: 2; } .boundary-list li { break-inside: avoid; } }

/* ---------- 封底墨条 ---------- */
.colophon {
  margin: clamp(40px, 6vw, 68px) calc(-1 * clamp(18px, 4.5vw, 56px)) 0;
  background: var(--ink); color: oklch(0.94 0.008 80 / 0.9);
  padding: 18px clamp(18px, 4.5vw, 56px) max(20px, env(safe-area-inset-bottom));
}
.colophon .rule-double { border-top-color: oklch(0.94 0.008 80 / 0.35); margin: 0 0 4px; }
.colophon p { text-align: center; font-size: 12px; margin: 10px 0 0; letter-spacing: 0.08em; }
.colophon a { color: oklch(0.94 0.008 80 / 0.95); border-bottom-color: oklch(0.51 0.19 30 / 0.7); }
.colophon a:hover { color: #fff; }

/* ---------- 首页操作流程 ---------- */
.steps { list-style: none; margin: 0; padding: 0; }
.step-row {
  display: grid; grid-template-columns: minmax(260px, 1fr) minmax(300px, 1.15fr);
  gap: clamp(18px, 3vw, 30px); padding: clamp(18px, 3vw, 28px) 0;
  border-bottom: 1px dashed var(--line-faint); align-items: center;
}
.step-row:last-child { border-bottom: 0; }
.step-title {
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(16px, 2.2vw, 18px); margin: 0 0 7px; letter-spacing: 0.03em;
}
.step-title .step-no { color: var(--seal); margin-right: 8px; }
.step-text .muted { margin: 0 0 6px; }
.shot {
  margin: 0; border: 1px solid var(--ink); background: var(--paper); padding: 8px;
  box-shadow: var(--paper-shadow-lg);
  transition: transform 200ms cubic-bezier(0.25,1,0.5,1), box-shadow 200ms cubic-bezier(0.25,1,0.5,1);
}
.shot:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 oklch(0.25 0.012 60 / 0.16); }
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); padding: 8px 2px 2px; letter-spacing: 0.05em; }
.shot-flat { display: grid; place-items: center; padding: clamp(18px, 3vw, 32px); }
.flat-files { display: flex; flex-direction: column; gap: 8px; font-size: 13px; width: 100%; }
.flat-files span { border: 1px dashed var(--line); background: var(--paper-inset); padding: 7px 12px; font-family: var(--mono); border-radius: 3px; }
.perk-list { margin: 0; padding: 0; list-style: none; }
.perk-list li { padding: 11px 2px; border-bottom: 1px dashed var(--line-faint); font-size: 14px; color: var(--ink-soft); }
.perk-list li:last-child { border-bottom: 0; }
.perk-list b { color: var(--ink); font-family: var(--serif); letter-spacing: 0.02em; }
.cta-band {
  border: 1px solid var(--ink); background: var(--paper-deep);
  box-shadow: var(--paper-shadow-lg);
  background-image: radial-gradient(circle at 10px 10px, oklch(0.51 0.19 30 / 0.08) 1.2px, transparent 1.3px);
  background-size: 24px 24px;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: clamp(22px, 3.5vw, 36px); flex-wrap: wrap; }
.cta-title { font-family: var(--serif); font-weight: 900; font-size: clamp(20px, 3vw, 27px); margin: 0 0 6px; letter-spacing: 0.04em; }
.cta-btn { text-decoration: none; font-size: 15.5px; padding: 12px 26px; font-weight: 700; border-radius: 4px; border-bottom: 0; }
.cta-copy { min-width: min(400px, 100%); }
.land-tray { min-width: min(320px, 100%); }
.land-drop {
  padding: 20px 16px; text-align: center; background: var(--paper);
  border: 1.5px dashed var(--line); border-radius: 3px;
}
.land-drop:hover, .land-drop:focus-visible, .land-drop.dover { background: var(--seal-wash); border-color: var(--seal); }
.land-drop .tray-main { font-size: 15.5px; }
#land-status { margin: 8px 2px 0; min-height: 1.4em; }

/* ---------- 支付/客服/专项优化 ---------- */
.qr-box { position: relative; }
.qr-live img { display: block; width: 100%; max-width: 220px; height: auto; margin: 0 auto; background: #fff; border: 1px solid var(--line); padding: 6px; image-rendering: pixelated; }
.kefu-card {
  margin-top: 12px; border: 1px solid oklch(0.51 0.19 30 / 0.5); background: var(--seal-wash);
  padding: 10px 12px; font-size: 13px; animation: rise 300ms cubic-bezier(0.25,1,0.5,1) both;
}
.kefu-card p { margin: 3px 0; }
.kefu-id { font-family: var(--mono); color: var(--seal-deep); letter-spacing: 0.04em; }
.pro-panel {
  margin-top: 18px; border: 1px solid var(--ink); background: var(--paper-deep);
  box-shadow: var(--paper-shadow); overflow: hidden;
}
.pro-head { padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--paper-inset); }
.pro-title { font-family: var(--serif); font-weight: 900; font-size: 16.5px; margin: 0 0 2px; letter-spacing: 0.03em; }
.pro-head .muted { margin: 0; }
.pro-body { padding: 14px 16px 16px; }
.pro-qr-wrap { margin-bottom: 12px; }
.pro-qr-wrap #pro-order-note { text-align: center; margin: 8px 0 0; font-size: 12.5px; }
#btn-pro-order { margin-top: 8px; }

/* ---------- 演示模式占位框 ---------- */
.demo-box {
  width: 200px; height: 160px; margin: 0 auto;
  border: 1.5px dashed var(--line); background: var(--paper-inset);
  display: grid; place-items: center; text-align: center;
  color: var(--ink-soft); font-size: 12.5px; line-height: 1.8; padding: 10px;
}

/* ---------- 动效 ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes pip { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.section { animation: rise 480ms cubic-bezier(0.25,1,0.5,1) both; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media (max-width: 560px) {
  .masthead-inner { align-items: flex-start; }
  .fact-card, .pay-tile, .tray, .pro-panel, .shot { box-shadow: none; }
  .dim-verdict { margin-left: 0; }
  .step-row { grid-template-columns: 1fr; }
}

/* ---------- 导入区动作按钮：层级与可见度 ---------- */
.tray-foot .btn { padding: 10px 18px; font-size: 13.5px; font-weight: 600; }
#btn-demo {
  border: 1.5px solid var(--seal); color: var(--seal-deep);
  background: var(--seal-wash); font-weight: 700;
  box-shadow: 2px 2px 0 oklch(0.51 0.19 30 / 0.35);
}
#btn-demo:hover { background: var(--seal); color: var(--paper); box-shadow: none; }
.tray-file .flink {
  border: 1px solid var(--seal); border-bottom-width: 1px; border-radius: 4px;
  background: var(--paper); color: var(--seal-deep);
  padding: 5px 12px; font-weight: 700; font-size: 12px;
  text-decoration: none; white-space: nowrap;
  transition: background-color 140ms, color 140ms;
}
.tray-file .flink:hover { background: var(--seal); color: var(--paper); border-color: var(--seal); }
.tray-file .fcopy { border: 1px solid var(--line); border-radius: 4px; padding: 5px 10px; background: var(--paper); color: var(--ink-soft); font-size: 12px; }
.tray-file .fcopy:hover { border-color: var(--ink); color: var(--ink); }

/* ---------- 报告：本地信号 × 模型判定 并排 ---------- */
.merge-note {
  padding: 9px 16px; font-size: 12.5px; color: var(--ink-soft);
  background: var(--paper-inset); border-bottom: 1px solid var(--line);
}
.merge-note b { color: var(--ink); }
.local-strip { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 8px; }

/* ---------- 演示模式：事实卡脱敏遮罩 ---------- */
.facts-grid.masked { position: relative; }
.facts-grid.masked .fact-card .card-body,
.facts-grid.masked .fact-card .audit-table,
.facts-grid.masked .fact-card .kv,
.facts-grid.masked .fact-card .dupe-list,
.facts-grid.masked .fact-card .topic-list,
.facts-grid.masked .fact-card .chip-row,
.facts-grid.masked .card-intel {
  filter: blur(6px); pointer-events: none; user-select: none;
}
.facts-mask {
  position: absolute; inset: 0; z-index: 6;
  display: grid; place-items: center;
  background: oklch(0.98 0.006 85 / 0.45);
  text-align: center;
}
.facts-mask b { display: block; font-family: var(--serif); font-weight: 900; font-size: 18px; color: var(--seal-deep); margin-bottom: 6px; }
.facts-mask span { display: block; max-width: 420px; font-size: 13.5px; color: var(--ink-soft); background: var(--paper); border: 1px solid var(--ink); padding: 10px 18px; box-shadow: var(--paper-shadow); }