/* =========================================================
   万博CN中文官方站 · 共享样式 /assets/site.css
   暗色仪表盘 + 框架式书签导航 + 切角面板 + 数据铭牌
   ========================================================= */

:root{
  --wb-deep:#0B1B2B;
  --wb-ink:#122B40;
  --wb-midnight:#08121C;
  --wb-gold:#D9A441;
  --wb-gold-light:#F0C674;
  --wb-gold-deep:#8A6318;
  --wb-cyan:#45D6D6;
  --wb-coral:#FF6B4A;
  --wb-cream:#F4EBDD;
  --wb-cocoa:#241A14;
  --wb-mist:#7A8CA0;
  --wb-text:#DCE5EE;
  --wb-text-dim:#9FB2C4;
  --wb-line:rgba(122,140,160,.26);
  --wb-line-gold:rgba(217,164,65,.34);
  --wb-font-display:"Barlow Condensed","Oswald","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --wb-font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wb-font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wb-shell:1280px;
  --wb-space:clamp(16px,3vw,32px);
  --wb-cut:14px;
  --wb-dur:220ms;
  --wb-ease:cubic-bezier(.22,.61,.36,1);
  --wb-shadow:0 18px 48px rgba(3,10,18,.55);
}

/* ---------- 1. Reset 与基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--wb-deep);
  color:var(--wb-text);
  font-family:var(--wb-font-body);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{max-width:100%;display:block}
a{color:var(--wb-cyan);text-decoration:none;transition:color var(--wb-dur) var(--wb-ease)}
a:hover{color:var(--wb-gold-light)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0}
:focus-visible{outline:2px solid var(--wb-gold-light);outline-offset:3px}
::selection{background:rgba(217,164,65,.35);color:var(--wb-cream)}
[hidden]{display:none !important}

.wb-sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 2. 框架头部 ---------- */
.wb-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,var(--wb-midnight) 0%,var(--wb-deep) 100%);
  border-bottom:1px solid var(--wb-line-gold);
  transition:box-shadow var(--wb-dur) var(--wb-ease);
}
.wb-header::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:5px;
  background:linear-gradient(180deg,var(--wb-gold) 0%,rgba(217,164,65,.15) 70%,rgba(217,164,65,0) 100%);
}
.wb-header.is-scrolled{box-shadow:0 14px 34px rgba(3,10,18,.62)}

.wb-skip{
  position:absolute;
  left:14px;
  top:-64px;
  z-index:120;
  padding:10px 18px;
  background:var(--wb-gold);
  color:var(--wb-cocoa);
  font-weight:700;
  letter-spacing:.06em;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
  transition:top var(--wb-dur) var(--wb-ease);
}
.wb-skip:focus{top:12px;color:var(--wb-cocoa)}

.wb-topbar{
  position:relative;
  max-width:var(--wb-shell);
  margin:0 auto;
  min-height:74px;
  display:flex;
  align-items:center;
  gap:clamp(12px,2.4vw,30px);
  padding:12px var(--wb-space);
}

.wb-brand{display:inline-flex;align-items:center;gap:12px;color:var(--wb-cream);flex:0 0 auto}
.wb-brand:hover{color:var(--wb-cream)}
.wb-brand__mark{
  width:40px;height:40px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--wb-gold-light) 0%,var(--wb-gold) 46%,#8A6524 100%);
  clip-path:polygon(0 0,100% 0,100% 64%,64% 100%,0 100%);
}
.wb-brand__glyph{width:13px;height:13px;border:2px solid var(--wb-midnight);border-right-color:transparent;transform:rotate(45deg)}
.wb-brand__text{display:flex;flex-direction:column;line-height:1.25}
.wb-brand__name{font-family:var(--wb-font-display);font-size:21px;font-weight:600;letter-spacing:.08em}
.wb-brand__sub{font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.16em;color:var(--wb-mist)}

.wb-topbar__note{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--wb-font-mono);
  font-size:12px;letter-spacing:.12em;color:var(--wb-text-dim);
}
.wb-topbar__dot{width:6px;height:6px;border-radius:50%;background:var(--wb-cyan);box-shadow:0 0 0 4px rgba(69,214,214,.16)}

.wb-topbar__actions{display:flex;align-items:center;gap:10px;margin-left:auto}

.wb-version{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:7px 13px;
  background:rgba(217,164,65,.1);
  box-shadow:inset 0 0 0 1px rgba(217,164,65,.42);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
  color:var(--wb-gold-light);
  font-family:var(--wb-font-mono);
  font-size:14px;font-weight:600;letter-spacing:.06em;
}
.wb-version__label{font-size:10px;font-weight:500;letter-spacing:.22em;color:var(--wb-mist)}
.wb-version__num{font-variant-numeric:tabular-nums}

.wb-setting{
  display:inline-flex;align-items:center;
  padding:9px 17px;
  background:linear-gradient(135deg,var(--wb-gold-light) 0%,var(--wb-gold) 100%);
  color:var(--wb-cocoa);
  font-size:14px;font-weight:700;letter-spacing:.08em;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%);
  transition:filter var(--wb-dur) var(--wb-ease),transform var(--wb-dur) var(--wb-ease);
}
.wb-setting:hover{color:var(--wb-cocoa);filter:brightness(1.08);transform:translateY(-1px)}

.wb-navtoggle{
  display:none;
  align-items:center;gap:9px;
  padding:9px 13px;
  color:var(--wb-cream);
  font-size:13px;font-weight:600;letter-spacing:.1em;
  box-shadow:inset 0 0 0 1px var(--wb-line-gold);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%);
  cursor:pointer;
  transition:box-shadow var(--wb-dur) var(--wb-ease),color var(--wb-dur) var(--wb-ease);
}
.wb-navtoggle:hover{box-shadow:inset 0 0 0 1px var(--wb-gold);color:var(--wb-gold-light)}
.wb-navtoggle__bars{position:relative;width:18px;height:2px;background:currentColor;transition:background var(--wb-dur) var(--wb-ease)}
.wb-navtoggle__bars::before,
.wb-navtoggle__bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
  transition:transform var(--wb-dur) var(--wb-ease),opacity var(--wb-dur) var(--wb-ease);
}
.wb-navtoggle__bars::before{top:-6px}
.wb-navtoggle__bars::after{top:6px}
.wb-header[data-open] .wb-navtoggle__bars{background:transparent}
.wb-header[data-open] .wb-navtoggle__bars::before{transform:translateY(6px) rotate(45deg);background:var(--wb-gold-light)}
.wb-header[data-open] .wb-navtoggle__bars::after{transform:translateY(-6px) rotate(-45deg);background:var(--wb-gold-light)}

.wb-nav{
  max-width:var(--wb-shell);
  margin:0 auto;
  display:flex;
  align-items:flex-end;
  gap:clamp(12px,2vw,26px);
  padding:12px var(--wb-space) 14px;
  border-top:1px solid rgba(122,140,160,.14);
}
.wb-nav__list{display:flex;flex-wrap:wrap;gap:8px;margin:0;min-width:0}
.wb-nav__link{
  display:inline-block;
  padding:10px 20px 12px;
  font-family:var(--wb-font-display);
  font-size:17px;font-weight:600;letter-spacing:.1em;
  color:var(--wb-text-dim);
  background:rgba(18,43,64,.72);
  box-shadow:inset 0 0 0 1px rgba(122,140,160,.24);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
  transition:color var(--wb-dur) var(--wb-ease),background var(--wb-dur) var(--wb-ease),box-shadow var(--wb-dur) var(--wb-ease);
}
.wb-nav__link:hover{color:var(--wb-cream);background:rgba(23,54,79,.95);box-shadow:inset 0 0 0 1px rgba(69,214,214,.5)}
.wb-nav__link[aria-current="page"]{
  color:var(--wb-cocoa);
  background:linear-gradient(180deg,var(--wb-gold-light) 0%,var(--wb-gold) 100%);
  box-shadow:inset 0 0 0 1px rgba(244,235,221,.5);
}
.wb-nav__hint{
  margin-left:auto;
  padding-bottom:8px;
  font-family:var(--wb-font-mono);
  font-size:11px;letter-spacing:.14em;color:var(--wb-mist);white-space:nowrap;
}

.wb-progress{position:relative;height:3px;background:rgba(122,140,160,.16);overflow:hidden}
.wb-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--wb-cyan) 0%,var(--wb-gold) 58%,var(--wb-coral) 100%);
  transition:transform 120ms linear;
}

/* ---------- 3. 框架页脚 ---------- */
.wb-footer{
  position:relative;
  margin-top:clamp(44px,8vw,96px);
  background:var(--wb-midnight);
  color:var(--wb-text-dim);
  border-top:1px solid var(--wb-line-gold);
}
.wb-footer::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:4px;
  background-image:repeating-linear-gradient(90deg,rgba(217,164,65,.7) 0 1px,transparent 1px 16px);
  opacity:.65;
}
.wb-footer__grid{
  max-width:var(--wb-shell);
  margin:0 auto;
  padding:clamp(36px,6vw,64px) var(--wb-space) clamp(24px,4vw,42px);
  display:grid;
  grid-template-columns:minmax(240px,1.5fr) minmax(140px,1fr) minmax(140px,1fr) minmax(240px,1.4fr);
  gap:clamp(22px,3vw,44px);
}
.wb-footer__brand{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.wb-footer__tagline{
  font-family:var(--wb-font-display);
  font-size:clamp(20px,2.2vw,25px);
  font-weight:600;letter-spacing:.06em;color:var(--wb-gold-light);line-height:1.3;
}
.wb-footer__desc{font-size:14px;line-height:1.85;color:var(--wb-text-dim);max-width:34ch}
.wb-footer__title{
  font-family:var(--wb-font-mono);
  font-size:11px;font-weight:600;letter-spacing:.24em;color:var(--wb-mist);
  padding-bottom:10px;margin-bottom:14px;
  border-bottom:1px solid rgba(122,140,160,.2);
}
.wb-footer__list{display:flex;flex-direction:column;gap:10px}
.wb-footer__link{
  display:inline-flex;align-items:center;gap:9px;
  font-size:15px;color:var(--wb-text);
}
.wb-footer__link::before{content:"";width:8px;height:1px;background:var(--wb-cyan);flex:0 0 auto;transition:width var(--wb-dur) var(--wb-ease)}
.wb-footer__link:hover{color:var(--wb-gold-light)}
.wb-footer__link:hover::before{width:16px;background:var(--wb-gold)}
.wb-footer__col--contact{display:flex;flex-direction:column;align-items:flex-start}
.wb-footer__contact{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.wb-footer__contact li{display:flex;flex-direction:column;gap:3px}
.wb-footer__label{font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.18em;color:var(--wb-mist)}
.wb-footer__value{
  font-family:var(--wb-font-mono);
  font-size:14px;line-height:1.7;color:var(--wb-cream);
  word-break:break-word;overflow-wrap:anywhere;
}
.wb-footer__meta{
  max-width:var(--wb-shell);
  margin:0 auto;
  padding:16px var(--wb-space) 30px;
  border-top:1px solid rgba(122,140,160,.18);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 26px;
  font-family:var(--wb-font-mono);
  font-size:13px;letter-spacing:.06em;color:var(--wb-mist);
}
.wb-footer__stamp{color:var(--wb-gold-light)}
.wb-footer__icp{color:var(--wb-text-dim)}
.wb-footer__copy{color:var(--wb-mist)}

/* ---------- 4. 通用排版与容器 ---------- */
.wb-main{display:block;min-height:52vh}
.wb-container{width:100%;max-width:var(--wb-shell);margin:0 auto;padding-inline:var(--wb-space)}
.wb-section{padding-block:clamp(40px,7vw,88px)}
.wb-section--tight{padding-block:clamp(22px,4vw,48px)}

.wb-paper{background:var(--wb-cream);color:#4A3B30}
.wb-paper a{color:var(--wb-gold-deep)}
.wb-paper a:hover{color:var(--wb-coral)}
.wb-paper .wb-h1,.wb-paper .wb-h2,.wb-paper .wb-h3{color:var(--wb-cocoa)}

.wb-kicker{
  display:inline-block;
  font-family:var(--wb-font-mono);
  font-size:12px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--wb-cyan);
}
.wb-paper .wb-kicker{color:var(--wb-gold-deep)}

.wb-h1{font-family:var(--wb-font-display);font-weight:700;font-size:clamp(40px,7vw,88px);line-height:1.03;letter-spacing:.01em;color:var(--wb-cream)}
.wb-h2{font-family:var(--wb-font-display);font-weight:600;font-size:clamp(26px,3.4vw,44px);line-height:1.16;letter-spacing:.02em;color:var(--wb-cream)}
.wb-h3{font-family:var(--wb-font-display);font-weight:600;font-size:clamp(19px,2.2vw,25px);line-height:1.32;letter-spacing:.03em;color:var(--wb-cream)}
.wb-lead{font-size:clamp(16px,1.7vw,19px);line-height:1.9;color:var(--wb-text-dim);max-width:64ch}
.wb-paper .wb-lead{color:#5C4A3C}
.wb-muted{color:var(--wb-mist)}
.wb-text-gold{color:var(--wb-gold-light)}
.wb-mono{font-family:var(--wb-font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.wb-flow > * + *{margin-top:1.05em}
.wb-flow p{max-width:68ch;line-height:1.9;color:var(--wb-text-dim)}
.wb-paper .wb-flow p{color:#4A3B30}

/* ---------- 5. 按钮 ---------- */
.wb-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 24px;
  font-size:15px;font-weight:700;letter-spacing:.08em;
  cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%);
  transition:transform var(--wb-dur) var(--wb-ease),background var(--wb-dur) var(--wb-ease),color var(--wb-dur) var(--wb-ease),box-shadow var(--wb-dur) var(--wb-ease);
}
.wb-btn--gold{background:linear-gradient(135deg,var(--wb-gold-light) 0%,var(--wb-gold) 100%);color:var(--wb-cocoa)}
.wb-btn--gold:hover{color:var(--wb-cocoa);transform:translateY(-2px);box-shadow:0 12px 26px rgba(217,164,65,.24)}
.wb-btn--ghost{background:rgba(69,214,214,.07);color:var(--wb-cyan);box-shadow:inset 0 0 0 1px rgba(69,214,214,.45)}
.wb-btn--ghost:hover{color:var(--wb-deep);background:var(--wb-cyan);box-shadow:inset 0 0 0 1px rgba(69,214,214,.7)}
.wb-btn--quiet{background:rgba(122,140,160,.14);color:var(--wb-cream);box-shadow:inset 0 0 0 1px var(--wb-line)}
.wb-btn--quiet:hover{color:var(--wb-deep);background:var(--wb-cream)}

/* ---------- 6. 面板、铭牌、标签 ---------- */
.wb-cut{clip-path:polygon(0 0,calc(100% - var(--wb-cut)) 0,100% var(--wb-cut),100% 100%,0 100%)}
.wb-panel{
  position:relative;
  background:var(--wb-ink);
  padding:clamp(20px,3vw,32px);
  box-shadow:var(--wb-shadow);
  clip-path:polygon(0 0,calc(100% - var(--wb-cut)) 0,100% var(--wb-cut),100% 100%,0 100%);
}
.wb-panel::after{
  content:"";
  position:absolute;
  top:1px;right:0;
  width:calc(var(--wb-cut) * 1.42);
  height:2px;
  background:var(--wb-line-gold);
  transform-origin:100% 50%;
  transform:rotate(-45deg);
}
.wb-paper .wb-panel{background:#FFF8EC;box-shadow:0 12px 30px rgba(36,26,20,.12);color:#4A3B30}

.wb-plate{
  display:flex;flex-direction:column;gap:6px;
  padding:16px 18px;
  background:linear-gradient(180deg,rgba(18,43,64,.92) 0%,rgba(8,18,28,.92) 100%);
  box-shadow:inset 0 0 0 1px rgba(217,164,65,.32);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
}
.wb-plate__label{font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.2em;color:var(--wb-mist)}
.wb-plate__value{
  font-family:var(--wb-font-mono);font-weight:600;
  font-size:clamp(24px,3vw,34px);line-height:1.15;
  color:var(--wb-gold-light);letter-spacing:.02em;
}
.wb-plate__note{font-size:13px;line-height:1.7;color:var(--wb-text-dim)}

.wb-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  font-family:var(--wb-font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--wb-cyan);
  background:rgba(69,214,214,.08);
  box-shadow:inset 0 0 0 1px rgba(69,214,214,.35);
  clip-path:polygon(7px 0,100% 0,100% 100%,0 100%,0 7px);
}
.wb-tag--gold{color:var(--wb-gold-light);background:rgba(217,164,65,.1);box-shadow:inset 0 0 0 1px rgba(217,164,65,.42)}
.wb-tag--alert{color:var(--wb-coral);background:rgba(255,107,74,.1);box-shadow:inset 0 0 0 1px rgba(255,107,74,.42)}

.wb-rule{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--wb-line-gold) 0%,rgba(217,164,65,0) 78%)}
.wb-tickline{
  height:12px;
  background-image:repeating-linear-gradient(90deg,rgba(217,164,65,.5) 0 1px,transparent 1px 14px);
  opacity:.75;
}
.wb-paper .wb-rule{background:linear-gradient(90deg,rgba(138,99,24,.5) 0%,rgba(138,99,24,0) 78%)}

/* ---------- 7. 栅格 ---------- */
.wb-grid{display:grid;gap:clamp(16px,2.4vw,26px)}
.wb-grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.wb-grid--3{grid-template-columns:repeat(auto-fit,minmax(228px,1fr))}
.wb-grid--bento{grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-rows:minmax(88px,auto)}
.wb-grid--bento > *{grid-column:span 12}
.wb-span-12{grid-column:span 12}
@media (min-width:760px){
  .wb-grid--bento > .wb-span-3,.wb-span-3{grid-column:span 3}
  .wb-grid--bento > .wb-span-4,.wb-span-4{grid-column:span 4}
  .wb-grid--bento > .wb-span-6,.wb-span-6{grid-column:span 6}
  .wb-grid--bento > .wb-span-8,.wb-span-8{grid-column:span 8}
  .wb-grid--bento > .wb-span-9,.wb-span-9{grid-column:span 9}
}

/* ---------- 8. 面包屑 ---------- */
.wb-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:16px;
  font-family:var(--wb-font-mono);
  font-size:12px;letter-spacing:.1em;color:var(--wb-mist);
}
.wb-breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.wb-breadcrumb li + li::before{content:"/";color:rgba(122,140,160,.6)}
.wb-breadcrumb a{color:var(--wb-text-dim)}
.wb-breadcrumb a:hover{color:var(--wb-gold-light)}
.wb-paper .wb-breadcrumb{color:#8A7A6A}
.wb-paper .wb-breadcrumb a{color:var(--wb-gold-deep)}

/* ---------- 9. 图片容器基础 ---------- */
.wb-media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
  display:grid;place-items:center;
  background:linear-gradient(160deg,var(--wb-ink) 0%,var(--wb-midnight) 72%);
  box-shadow:inset 0 0 0 1px var(--wb-line);
  clip-path:polygon(0 0,calc(100% - var(--wb-cut)) 0,100% var(--wb-cut),100% 100%,0 100%);
}
.wb-media::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(115deg,rgba(69,214,214,.18) 0 1px,transparent 1px),
    linear-gradient(115deg,rgba(217,164,65,.14) 0 1px,transparent 1px);
  background-size:62px 62px,98px 98px;
  background-position:0 0,26px 20px;
  opacity:.9;
}
.wb-media::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:46%;height:3px;
  background:linear-gradient(90deg,var(--wb-gold) 0%,rgba(217,164,65,0) 100%);
}
.wb-media img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.04)}
.wb-media--wide{aspect-ratio:21/9}
.wb-media--square{aspect-ratio:1/1}
.wb-media--tall{aspect-ratio:4/5}

/* ---------- 10. 筛选与显现 ---------- */
.wb-filters{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-block:6px}
.wb-filter{
  padding:8px 16px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--wb-text-dim);
  background:rgba(18,43,64,.72);
  box-shadow:inset 0 0 0 1px var(--wb-line);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
  cursor:pointer;
  transition:color var(--wb-dur) var(--wb-ease),background var(--wb-dur) var(--wb-ease),box-shadow var(--wb-dur) var(--wb-ease);
}
.wb-filter:hover{color:var(--wb-cream);box-shadow:inset 0 0 0 1px rgba(69,214,214,.45)}
.wb-filter.is-active,
.wb-filter[aria-pressed="true"]{
  color:var(--wb-cocoa);
  background:linear-gradient(180deg,var(--wb-gold-light) 0%,var(--wb-gold) 100%);
  box-shadow:inset 0 0 0 1px rgba(244,235,221,.5);
}
.wb-filter__count{font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.12em;color:var(--wb-mist)}
[data-filter-item]{transition:opacity 200ms var(--wb-ease)}
[data-filter-item].is-filtered-out{opacity:0}

[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity 260ms var(--wb-ease),transform 260ms var(--wb-ease)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 11. 响应式 ---------- */
@media (max-width:1080px){
  .wb-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wb-footer__brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .wb-topbar{min-height:64px;padding:10px 16px;gap:10px}
  .wb-topbar__note{display:none}
  .wb-navtoggle{display:inline-flex}
  .wb-nav{
    display:block;
    max-height:0;
    overflow:hidden;
    padding:0 16px;
    border-top:0;
    transition:max-height var(--wb-dur) var(--wb-ease),padding var(--wb-dur) var(--wb-ease);
  }
  .wb-header[data-open] .wb-nav{
    max-height:min(72vh,560px);
    overflow-y:auto;
    padding:10px 16px 20px;
    border-top:1px solid rgba(122,140,160,.2);
  }
  .wb-nav__list{flex-direction:column;gap:6px}
  .wb-nav__link{display:block;text-align:left;padding:13px 18px 15px;font-size:17px}
  .wb-nav__hint{margin:14px 0 0;padding:0}
  .wb-footer__meta{justify-content:flex-start}
}
@media (max-width:640px){
  .wb-footer__grid{grid-template-columns:minmax(0,1fr)}
  .wb-grid--2,.wb-grid--3{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:560px){
  .wb-brand__name{font-size:17px}
  .wb-brand__sub{display:none}
  .wb-brand__mark{width:34px;height:34px}
  .wb-version{padding:6px 10px;font-size:12px}
  .wb-version__label{display:none}
  .wb-setting{padding:8px 12px;font-size:13px}
  .wb-h1{font-size:clamp(34px,11vw,48px)}
}

/* ---------- 12. 可访问性与动效偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  [data-reveal]{opacity:1;transform:none;transition-delay:0ms !important}
  .wb-progress__bar{transition:none}
  .wb-btn--gold:hover,.wb-setting:hover{transform:none}
}