/* 成人年龄确认页：移动端单列可滚；桌面左右分栏（仅用系统字体，无外网字体） */

:root{
  --wb-age-ink:#0e0c0b;
  --wb-age-ember:#e85d4c;
  --wb-age-ember2:#ff8a6a;
  --wb-age-sand:#f3ebe3;
  --wb-age-muted:rgba(243,235,227,.62);
  --wb-age-line:rgba(243,235,227,.14);
}
*{box-sizing:border-box}
html{touch-action:manipulation}
html,body{margin:0}
body.wb-age{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--wb-age-sand);background:var(--wb-age-ink);
  -webkit-font-smoothing:antialiased;
  min-height:100vh;min-height:100dvh;
  overflow-x:hidden;overflow-y:auto;
  -webkit-overflow-scrolling:touch;
}
.wb-age__bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%,rgba(232,93,76,.22),transparent 55%),
    radial-gradient(ellipse 45% 35% at 90% 80%,rgba(120,70,50,.14),transparent 55%),
    linear-gradient(180deg,#14110f 0%,#0e0c0b 100%);
}
.wb-age__bg.is-photo{
  background-color:#0e0c0b;
  background-size:cover;background-position:center;
}
.wb-age__bg.is-photo:after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,12,11,.82) 0%,rgba(14,12,11,.72) 100%);
}
.wb-age__grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.18;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}
.wb-age__layout{
  position:relative;z-index:2;
  width:100%;max-width:1080px;margin:0 auto;
  min-height:100vh;min-height:100dvh;
  display:flex;flex-direction:column;
  padding:calc(12px + env(safe-area-inset-top,0px)) 0 calc(28px + env(safe-area-inset-bottom,0px));
}
.wb-age__visual{
  flex:0 0 auto;
  display:flex;align-items:center;justify-content:flex-start;
  padding:4px 20px 0;
}
.wb-age__mark{
  display:flex;align-items:center;gap:12px;
  user-select:none;
  animation:wbAgeMark .7s cubic-bezier(.22,1,.36,1) both;
}
.wb-age__mark-svg{
  display:block;width:68px;height:auto;flex:0 0 auto;
  filter:drop-shadow(0 8px 18px rgba(232,93,76,.2));
}
.wb-age__mark span{
  margin:0;font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:11px;letter-spacing:.36em;text-indent:.36em;
  color:var(--wb-age-ember2);font-weight:700;line-height:1.2;
}
@keyframes wbAgeMark{
  from{opacity:0;transform:translateY(10px)}
  to{opacity:1;transform:none}
}
.wb-age__main{
  flex:1 1 auto;
  display:flex;flex-direction:column;justify-content:flex-start;
  padding:10px 20px 0;width:100%;max-width:560px;margin:0 auto;
  animation:wbAgeMain .65s .08s cubic-bezier(.22,1,.36,1) both;
}
@keyframes wbAgeMain{
  from{opacity:0;transform:translateY(12px)}
  to{opacity:1;transform:none}
}
.wb-age__brand{
  margin:8px 0 10px;
  font-family:"Songti SC","STSong","Noto Serif SC","Source Han Serif SC","PingFang SC",serif;
  font-size:clamp(26px,7vw,36px);font-weight:700;line-height:1.15;
  letter-spacing:.04em;color:#fff8f2;
}
.wb-age__title{
  margin:0 0 8px;font-size:clamp(16px,4.2vw,20px);font-weight:700;
  letter-spacing:.02em;color:var(--wb-age-sand);line-height:1.35;
}
.wb-age__lead{
  margin:0 0 16px;font-size:13px;line-height:1.7;color:var(--wb-age-muted);
  white-space:pre-wrap;max-width:36em;
}
.wb-age__actions{
  display:flex;flex-direction:column;gap:8px;margin:0 0 16px;
}
.wb-age__enter{
  position:relative;overflow:hidden;flex:1;
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 18px;border:0;border-radius:2px;cursor:pointer;
  font:inherit;font-size:15px;font-weight:700;letter-spacing:.05em;
  color:#1a0f0c;background:linear-gradient(135deg,var(--wb-age-ember2),var(--wb-age-ember));
  text-decoration:none!important;-webkit-tap-highlight-color:transparent;
}
.wb-age__enter:before{
  content:"";position:absolute;inset:0;transform:translateX(-120%);
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.28),transparent);
  animation:wbAgeShine 3.2s ease-in-out infinite;
  pointer-events:none;
}
@keyframes wbAgeShine{
  0%,55%{transform:translateX(-120%)}
  75%{transform:translateX(120%)}
  100%{transform:translateX(120%)}
}
.wb-age__enter:active{opacity:.92}
.wb-age__leave{
  flex:1;display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 16px;border-radius:2px;
  border:1px solid var(--wb-age-line);background:transparent;
  color:var(--wb-age-muted);font-size:13px;font-weight:600;letter-spacing:.04em;
  text-decoration:none!important;
}
.wb-age__leave:hover{color:var(--wb-age-sand);border-color:rgba(243,235,227,.35)}
.wb-age__meta{
  border-top:1px solid var(--wb-age-line);padding-top:14px;margin-top:2px;
}
.wb-age__meta-h{
  margin:0 0 8px;font-size:10px;letter-spacing:.28em;text-indent:.28em;
  text-transform:uppercase;color:rgba(232,93,76,.9);font-weight:700;
}
.wb-age__url-row{
  display:flex;flex-wrap:nowrap;align-items:baseline;gap:8px 12px;
  padding:8px 0;border-bottom:1px solid rgba(243,235,227,.08);
  font-size:13px;line-height:1.45;
}
.wb-age__url-row:last-child{border-bottom:0}
.wb-age__url-k{flex:0 0 auto;color:var(--wb-age-muted);min-width:4.2em}
.wb-age__url-v{
  flex:1 1 auto;min-width:0;
  color:var(--wb-age-sand);text-decoration:none;word-break:break-all;font-weight:600;
}
.wb-age__url-v:hover{color:var(--wb-age-ember2)}
.wb-age__tools{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;
}
.wb-age__tool{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:38px;padding:0 12px;border-radius:2px;
  border:1px solid var(--wb-age-line);color:var(--wb-age-sand);
  font-size:12px;font-weight:600;letter-spacing:.04em;text-decoration:none!important;
  background:rgba(255,255,255,.03);
  appearance:none;-webkit-appearance:none;cursor:pointer;font:inherit;
}
.wb-age__tool:hover{border-color:rgba(232,93,76,.45);color:var(--wb-age-ember2)}
.wb-age__qr{
  margin-top:12px;display:flex;align-items:center;gap:12px;
}
.wb-age__qr img{
  width:96px;height:96px;object-fit:contain;border-radius:2px;
  border:1px solid var(--wb-age-line);background:#fff;padding:5px;
}
.wb-age__tip{
  margin:14px 0 0;font-size:12px;line-height:1.65;color:var(--wb-age-muted);
  padding-bottom:8px;
}
.wb-age__toast{
  position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));
  transform:translateX(-50%) translateY(12px);z-index:80;
  max-width:86vw;padding:10px 14px;border-radius:4px;
  background:rgba(20,16,14,.92);color:#f3ebe3;font-size:13px;line-height:1.4;
  border:1px solid rgba(232,93,76,.35);opacity:0;pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
}
.wb-age__toast.is-show{opacity:1;transform:translateX(-50%) translateY(0)}
.wb-age__sheet{position:fixed;inset:0;z-index:50;display:flex;align-items:flex-end;justify-content:center}
.wb-age__sheet[hidden]{display:none!important}
.wb-age__sheet-mask{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.wb-age__sheet-panel{
  position:relative;z-index:1;width:100%;max-width:520px;max-height:78vh;overflow:auto;
  padding:18px 18px calc(24px + env(safe-area-inset-bottom,0px));border-radius:14px 14px 0 0;
  background:#171411;border:1px solid var(--wb-age-line);border-bottom:0;
  box-shadow:0 -20px 50px rgba(0,0,0,.45);
}
.wb-age__sheet-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.wb-age__sheet-head h3{margin:0;font-size:16px;font-weight:700;color:var(--wb-age-sand)}
.wb-age__sheet-x{
  width:36px;height:36px;border:0;border-radius:2px;cursor:pointer;
  background:rgba(255,255,255,.06);color:var(--wb-age-sand);font-size:22px;line-height:1;
}
.wb-age__sheet-body{font-size:14px;line-height:1.85;color:var(--wb-age-muted);white-space:pre-wrap}
.wb-age__qr-sheet-hint{
  margin:0 0 16px;font-size:13px;line-height:1.7;color:var(--wb-age-muted);
}
.wb-age__qr-sheet-img{
  display:flex;align-items:center;justify-content:center;padding:8px 0 4px;
}
.wb-age__qr-sheet-img img{
  width:min(220px,72vw);height:auto;aspect-ratio:1;object-fit:contain;
  border-radius:4px;border:1px solid var(--wb-age-line);background:#fff;padding:10px;
  -webkit-touch-callout:default;user-select:auto;-webkit-user-select:auto;
}

/* 稍宽手机：按钮并排 */
@media(min-width:480px){
  .wb-age__actions{flex-direction:row;align-items:stretch}
  .wb-age__enter{flex:1.35}
  .wb-age__leave{flex:1}
}

/* 桌面：左侧大字标 + 右侧内容 */
@media(min-width:900px){
  .wb-age__layout{
    display:grid;
    grid-template-columns:minmax(260px,38%) minmax(0,1fr);
    align-items:stretch;
    max-width:1100px;
    padding:0;
  }
  .wb-age__visual{
    min-height:100dvh;
    justify-content:center;align-items:center;
    padding:48px 28px;
    border-right:1px solid var(--wb-age-line);
  }
  .wb-age__mark{flex-direction:column;align-items:flex-start;gap:8px}
  .wb-age__mark-svg{width:min(28vw,260px)}
  .wb-age__mark span{letter-spacing:.42em;text-indent:.42em;font-size:12px}
  .wb-age__main{
    justify-content:center;
    padding:40px 36px 48px;
    max-width:520px;margin:0;
  }
  .wb-age__brand{margin:0 0 14px;font-size:40px}
  .wb-age__title{margin:0 0 12px;font-size:22px}
  .wb-age__lead{margin:0 0 24px;font-size:14px;line-height:1.85}
  .wb-age__actions{gap:12px;margin:0 0 24px}
  .wb-age__enter,.wb-age__leave{min-height:50px}
  .wb-age__meta{padding-top:20px}
  .wb-age__qr img{width:112px;height:112px}
}
@media(min-width:720px){
  .wb-age__sheet{align-items:center;padding:20px}
  .wb-age__sheet-panel{border-radius:8px;border-bottom:1px solid var(--wb-age-line);max-height:70vh;padding-bottom:24px}
}