/* 见账 · 法律与支持页 · 小票与账簿风格（与首页 2026-10-05 版一致） */
:root{
  --ledger:#E4EEDC; --rule:#B5D0BB; --margin:#E2594E;
  --paper:#FDFCF8; --paper-2:#F5F2E8;
  --ink:#23201C; --ink-2:#4F4A41; --ink-3:#6E675A;
  --blue:#1E3FA8; --red:#CF3427; --hl:#FFE27A;
  --mono:ui-monospace,"SF Mono",Menlo,Monaco,"Courier New","PingFang SC",monospace;
  --serif:"Songti SC","STSong","Noto Serif CJK SC","Source Han Serif SC",serif;
  --sans:-apple-system,"PingFang SC","Avenir Next","Helvetica Neue",sans-serif;
  --hand:"Bradley Hand","Kaiti SC","STKaiti","KaiTi","STXingkai",cursive;
}
html[lang="zh-TW"]{--serif:"Songti TC","STSong","Songti SC",serif}
html[lang="en"]{--serif:"Iowan Old Style","Baskerville","Georgia","Songti SC",serif}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);color:var(--ink);line-height:1.75;font-size:16px;
  background-color:var(--ledger);
  background-image:repeating-linear-gradient(to bottom,transparent 0 31px,var(--rule) 31px 32px);
  overflow-x:hidden;position:relative;min-height:100vh;
}
/* 账簿红色页边线 */
body::before{content:"";position:fixed;top:0;bottom:0;left:56px;width:2px;background:var(--margin);opacity:.55;pointer-events:none;z-index:0}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img{display:block;max-width:100%}
.wrap{width:min(1200px,100% - 48px);margin-inline:auto;position:relative}

/* ---------- 顶部导航（同首页） ---------- */
.nav{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:2px dashed rgba(35,32,28,.4);box-shadow:0 6px 12px -8px rgba(40,30,10,.35)}
.nav .wrap{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:36px;height:36px;border-radius:9px;box-shadow:0 1px 4px rgba(0,0,0,.3)}
.brand b{font-family:var(--serif);font-weight:900;font-size:21px;letter-spacing:.06em}
.brand span{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--ink-3);text-transform:uppercase;border-left:2px dashed var(--ink-3);padding-left:10px}
.nav .sp{flex:1}
.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:16px;padding:14px 24px;border-radius:6px;transition:transform .18s,box-shadow .18s}
.btn.dark{background:var(--ink);color:var(--paper);box-shadow:4px 4px 0 var(--red)}
.btn.dark:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--red)}
.btn.paper{background:var(--paper);color:var(--ink);box-shadow:4px 4px 0 var(--ink);border:2px solid var(--ink)}
.btn.paper:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink)}
.nav .btn{padding:8px 18px;font-size:14px;box-shadow:3px 3px 0 var(--red)}

/* 语言切换：沿用 jade 引擎的 .lang-switch 结构，外观同首页 */
.lang-switch{position:relative}
.lang-switch-btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:14px;padding:6px 12px;border:2px solid var(--ink);border-radius:4px;background:var(--paper)}
.lang-chev{width:11px;height:11px}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);background:var(--paper);border:2px dashed var(--ink);border-radius:6px;padding:6px;min-width:130px;box-shadow:4px 4px 0 rgba(35,32,28,.2);z-index:70}
.lang-menu[hidden]{display:none}
.lang-menu button{display:block;width:100%;text-align:left;font-family:var(--mono);font-size:14px;padding:7px 10px;border-radius:4px}
.lang-menu button:hover,.lang-menu button[aria-selected="true"]{background:var(--hl)}

/* ---------- 正文：一张票据纸 ---------- */
main.doc{position:relative;z-index:1;padding:56px 0 90px}
.card{
  --t:10px;
  width:min(860px,100%);margin-inline:auto;background:var(--paper);position:relative;
  padding:54px 64px 70px;box-shadow:0 18px 34px -14px rgba(40,30,10,.35);
  -webkit-mask:conic-gradient(from -45deg at bottom,#0000,#000 1deg 89deg,#0000 90deg) bottom/calc(var(--t)*2) 100%;
  mask:conic-gradient(from -45deg at bottom,#0000,#000 1deg 89deg,#0000 90deg) bottom/calc(var(--t)*2) 100%;
}
/* 顶部胶带 */
.card::before{content:"";position:absolute;top:-6px;left:50%;width:120px;height:26px;margin-left:-60px;background:rgba(255,226,122,.75);transform:rotate(-2deg);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.card h1{font-family:var(--serif);font-weight:900;font-size:clamp(32px,4.4vw,48px);line-height:1.2;letter-spacing:.02em;margin:6px 0 14px}
.card .date{
  display:inline-block;font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--red);
  border:2px solid var(--red);border-radius:4px;padding:2px 10px;transform:rotate(-2deg);margin-bottom:26px;background:var(--paper)
}
.card h2{
  font-family:var(--serif);font-weight:900;font-size:22px;line-height:1.35;margin:34px 0 12px;padding-top:22px;
  border-top:2px dashed rgba(35,32,28,.28);counter-increment:sec;display:flex;gap:12px;align-items:baseline
}
.card h2::before{content:counter(sec,decimal-leading-zero);font-family:var(--hand);color:var(--blue);font-size:26px;font-weight:400;flex:none}
.card{counter-reset:sec}
.card p,.card li{color:var(--ink-2);font-size:16px}
.card p+p{margin-top:12px}
.card ul{list-style:none;display:grid;gap:14px}
.card li{position:relative;padding-left:26px}
.card li::before{content:"✓";position:absolute;left:0;top:0;font-family:var(--mono);font-weight:800;color:var(--blue)}
.card strong{color:var(--ink);background:linear-gradient(transparent 60%,rgba(255,226,122,.85) 60% 92%,transparent 92%)}
.card a{color:var(--blue);text-decoration:none;border-bottom:2px dashed currentColor;word-break:break-all}
.card a:hover{background:var(--hl)}
.back{display:flex;justify-content:center;margin-top:40px}

/* ---------- 页脚（同首页） ---------- */
footer{position:relative;z-index:1;background:#26231F;color:#E9E3D3;padding:76px 0 40px;margin-top:12px;overflow-x:clip;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 4px)}
footer::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px;background:#26231F;-webkit-mask:conic-gradient(from 135deg at top,#0000,#000 1deg 89deg,#0000 90deg) top/24px 12px repeat-x;mask:conic-gradient(from 135deg at top,#0000,#000 1deg 89deg,#0000 90deg) top/24px 12px repeat-x;transform:scaleY(-1)}
footer .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:end}
footer .fb{display:flex;gap:16px;align-items:center}
footer .fb img{width:56px;height:56px;border-radius:14px}
footer h2{font-family:var(--serif);font-weight:900;font-size:32px;line-height:1.1;letter-spacing:.04em}
footer .en{font-family:var(--mono);font-size:12px;letter-spacing:.3em;color:#A89F8B;text-transform:uppercase}
footer .btn{margin-top:22px}
.bars{--bg:#26231F;--ink:#E9E3D3;height:46px;max-width:340px;margin-top:30px;
  background:
   repeating-linear-gradient(90deg,transparent 0 17px,var(--bg) 17px 19px,transparent 19px 53px,var(--bg) 53px 54px,transparent 54px 79px),
   repeating-linear-gradient(90deg,var(--ink) 0 2px,transparent 2px 4px,var(--ink) 4px 5px,transparent 5px 8px,var(--ink) 8px 11px,transparent 11px 12px,var(--ink) 12px 13px,transparent 13px 16px)}
.bars-n{font-family:var(--mono);font-size:11px;letter-spacing:.42em;text-align:center;margin-top:4px;color:#A89F8B;max-width:340px}
.flinks{display:flex;flex-wrap:wrap;gap:8px 24px;font-family:var(--mono);font-size:14px}
.flinks a{text-decoration:none;border-bottom:2px dashed #6c6556;padding-bottom:2px}
.flinks a:hover,.flinks a[aria-current="page"]{color:var(--hl);border-color:var(--hl)}
.copy{grid-column:1/-1;border-top:2px dashed #5a5447;padding-top:22px;margin-top:6px;font-family:var(--mono);font-size:13px;color:#A89F8B}

/* ---------- 响应式 ---------- */
@media (max-width:760px){
  body::before{left:18px}
  .nav .wrap{gap:12px}
  .brand span{display:none}
  .brand b{font-size:19px}
  .nav .btn{padding:8px 14px}
  main.doc{padding:32px 0 70px}
  .card{padding:40px 22px 56px}
  .card h2{font-size:19px}
  footer .wrap{grid-template-columns:1fr;gap:44px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* 三语载入前不闪中文（同旧版） */
html:not(.i18n-ready) body{opacity:0}
html.i18n-ready body{opacity:1;transition:opacity .15s}
.lang-menu button.is-active{background:var(--hl)}