/* ==========================================================================
   万博娱乐中心 · 共享站点样式  /assets/site.css
   高原夜航主题：深靛底 / 赤陶橙 / 翡翠绿 / 暖金 / 奶油纸
   仅负责 reset、变量、页头页脚、通用组件与图片容器基础规则
   ========================================================================== */

/* 1. Reset ---------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:clamp(96px,13vh,150px);}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol{margin:0;}
ul,ol{padding:0;}
ul[class],ol[class],nav ul,nav ol{list-style:none;}
img,svg,video{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
i{font-style:normal;}
table{border-collapse:collapse;width:100%;}
hr{border:0;}

/* 2. 变量 ---------------------------------------------------------------- */
:root{
  --wb-indigo:#101B33;
  --wb-blue:#1B2A4A;
  --wb-cream:#F4EBDD;
  --wb-orange:#C75B2A;
  --wb-orange-deep:#A3471F;
  --wb-orange-soft:#E08A5B;
  --wb-emerald:#2F7D65;
  --wb-gold:#D8A24A;
  --wb-ink:#241A16;
  --wb-mist:#A9B0BD;
  --wb-cyan:#5FA8A0;

  --wb-line:rgba(244,235,221,.13);
  --wb-line-strong:rgba(244,235,221,.26);

  --wb-font-heading:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --wb-font-body:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --wb-font-mono:'IBM Plex Mono','Roboto Mono','SFMono-Regular',monospace;

  --wb-shell:1240px;
  --wb-pad:clamp(16px,4vw,48px);
  --wb-cut:18px;
  --wb-radius:0;
}

/* 3. 基础排版 ------------------------------------------------------------ */
body{
  min-height:100vh;
  background-color:var(--wb-indigo);
  background-image:
    repeating-linear-gradient(90deg,rgba(244,235,221,.05) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(0deg,rgba(244,235,221,.05) 0 1px,transparent 1px 96px),
    radial-gradient(120% 78% at 10% -12%,rgba(199,91,42,.24),transparent 62%),
    radial-gradient(90% 70% at 100% 0%,rgba(47,125,101,.16),transparent 64%);
  background-attachment:fixed;
  color:var(--wb-cream);
  font-family:var(--wb-font-body);
  font-size:clamp(15px,1.05vw,17px);
  line-height:1.8;
  font-weight:400;
  letter-spacing:.01em;
}
h1,h2,h3,h4,h5{font-family:var(--wb-font-heading);font-weight:800;line-height:1.15;letter-spacing:.05em;color:var(--wb-cream);}
p{max-width:72ch;}
strong{font-weight:800;color:var(--wb-gold);}
::selection{background:var(--wb-orange);color:var(--wb-cream);}
:where(a,button,input,textarea,select,summary,[tabindex]):focus-visible{
  outline:2px solid var(--wb-cyan);
  outline-offset:3px;
}

/* 4. 布局外壳 ------------------------------------------------------------ */
.wb-shell{width:100%;max-width:var(--wb-shell);margin-inline:auto;padding-inline:var(--wb-pad);}
.wb-section{position:relative;padding-block:clamp(40px,6vw,88px);}
.wb-section--tight{padding-block:clamp(26px,3.6vw,52px);}
.wb-section__head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:14px 28px;margin-bottom:clamp(20px,3vw,36px);padding-bottom:14px;
  border-bottom:1px solid var(--wb-line);
}
.wb-stack{display:grid;gap:clamp(14px,1.8vw,22px);}

/* 5. 标题与文字组件 ------------------------------------------------------ */
.wb-h1{font-size:clamp(44px,7vw,96px);letter-spacing:.06em;line-height:1.02;}
.wb-h2{font-size:clamp(26px,3vw,40px);letter-spacing:.05em;}
.wb-h3{font-size:clamp(19px,1.7vw,24px);letter-spacing:.03em;line-height:1.35;}
.wb-lede{font-size:clamp(16px,1.35vw,19px);line-height:1.85;color:rgba(244,235,221,.82);max-width:62ch;}
.wb-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.28em;
  text-transform:uppercase;color:var(--wb-orange-soft);
}
.wb-eyebrow::before{content:"";width:26px;height:1px;background:currentColor;}
.wb-mono{font-family:var(--wb-font-mono);font-size:12px;letter-spacing:.14em;line-height:1.6;}
.wb-muted{color:var(--wb-mist);}
.wb-accent{color:var(--wb-gold);}
.wb-visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}
.wb-rule{position:relative;height:1px;background:var(--wb-line-strong);margin-block:clamp(20px,3vw,36px);}
.wb-rule::before,.wb-rule::after{content:"";position:absolute;top:-4px;width:1px;height:9px;background:var(--wb-gold);}
.wb-rule::before{left:0;}
.wb-rule::after{right:0;}

/* 6. 浅色分区 ------------------------------------------------------------ */
.wb-paper{
  background:var(--wb-cream);
  color:rgba(36,26,22,.86);
  background-image:
    repeating-linear-gradient(90deg,rgba(36,26,22,.05) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(0deg,rgba(36,26,22,.05) 0 1px,transparent 1px 96px);
}
.wb-paper :is(h1,h2,h3,h4,h5){color:var(--wb-ink);}
.wb-paper .wb-lede{color:rgba(36,26,22,.78);}
.wb-paper .wb-muted{color:rgba(36,26,22,.6);}
.wb-paper .wb-eyebrow{color:var(--wb-orange-deep);}
.wb-paper .wb-rule{background:rgba(36,26,22,.2);}
.wb-paper .wb-section__head{border-bottom-color:rgba(36,26,22,.18);}

/* 7. Skip link ----------------------------------------------------------- */
.wb-skip{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-180%);
  padding:11px 20px;background:var(--wb-cream);color:var(--wb-ink);
  font-family:var(--wb-font-mono);font-size:12px;letter-spacing:.14em;
  border-left:3px solid var(--wb-orange);
  transition:transform .22s ease;
}
.wb-skip:focus,.wb-skip:focus-visible{transform:none;}

/* 8. 页头 ---------------------------------------------------------------- */
.wb-header{
  position:sticky;top:0;z-index:80;
  background:rgba(16,27,51,.95);
  border-bottom:1px solid var(--wb-line-strong);
  box-shadow:0 22px 44px -34px rgba(0,0,0,.95);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.wb-header__utility{
  border-bottom:1px dashed var(--wb-line);
  background:linear-gradient(90deg,rgba(199,91,42,.16),rgba(27,42,74,.42) 48%,rgba(47,125,101,.16));
}
.wb-header__utility-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-block:7px;
  font-family:var(--wb-font-mono);font-size:10.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--wb-mist);
}
.wb-header__meta{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.wb-tick{display:inline-block;width:1px;height:11px;background:var(--wb-orange-soft);}
.wb-header__bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:clamp(12px,2vw,28px);
  padding-block:clamp(10px,1.6vw,16px);
}

/* 品牌 */
.wb-brand{display:inline-flex;align-items:center;gap:12px;min-width:0;}
.wb-brand__mark{
  display:grid;place-items:center;flex:0 0 auto;
  width:44px;height:44px;
  background:var(--wb-orange);
  color:#101B33;
  font-family:var(--wb-font-mono);font-size:12px;font-weight:700;letter-spacing:.04em;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
}
.wb-brand__text{display:flex;flex-direction:column;line-height:1.1;min-width:0;}
.wb-brand__name{
  font-family:var(--wb-font-heading);font-weight:800;font-size:17px;
  letter-spacing:.16em;color:var(--wb-cream);
}
.wb-brand__sub{
  margin-top:6px;
  font-family:var(--wb-font-mono);font-size:9.5px;letter-spacing:.34em;
  text-transform:uppercase;color:var(--wb-mist);
}
.wb-brand__version{
  flex:0 0 auto;
  padding:4px 8px;
  border:1px solid rgba(216,162,74,.55);
  background:rgba(216,162,74,.1);
  color:var(--wb-gold);
  font-family:var(--wb-font-mono);font-size:10.5px;letter-spacing:.1em;line-height:1.4;
  white-space:nowrap;
}
.wb-brand--footer .wb-brand__mark{width:38px;height:38px;font-size:11px;}
.wb-brand--footer .wb-brand__name{font-size:16px;letter-spacing:.14em;}

/* 移动导航按钮 */
.wb-nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:9px 12px;
  border:1px solid var(--wb-line-strong);
  background:rgba(27,42,74,.68);
  color:var(--wb-cream);
  font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.2em;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.wb-nav-toggle:hover{border-color:var(--wb-orange-soft);background:rgba(199,91,42,.16);}
.wb-nav-toggle__grid{display:grid;gap:3px;width:16px;}
.wb-nav-toggle__grid i{
  display:block;height:1.5px;background:currentColor;
  transition:transform .24s ease,opacity .18s ease;
}
.wb-nav-toggle__text{line-height:1;}
.wb-nav-toggle[aria-expanded="true"]{border-color:var(--wb-orange-soft);color:var(--wb-orange-soft);}
.wb-nav-toggle[aria-expanded="true"] .wb-nav-toggle__grid i:nth-child(1){transform:translateY(4.5px) rotate(45deg);}
.wb-nav-toggle[aria-expanded="true"] .wb-nav-toggle__grid i:nth-child(2){opacity:0;}
.wb-nav-toggle[aria-expanded="true"] .wb-nav-toggle__grid i:nth-child(3){transform:translateY(-4.5px) rotate(-45deg);}

/* 导航 */
.wb-nav{display:flex;align-items:center;gap:clamp(6px,1.2vw,20px);}
.wb-nav__list{display:flex;align-items:center;flex-wrap:wrap;gap:2px;margin:0;padding:0;}
.wb-nav__list a{
  position:relative;display:block;
  padding:9px 11px;
  font-size:13.5px;letter-spacing:.07em;line-height:1.3;
  color:rgba(244,235,221,.76);
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.wb-nav__list a:hover{color:var(--wb-cream);border-bottom-color:var(--wb-orange-soft);background:rgba(199,91,42,.12);}
.wb-nav__list a[aria-current="page"]{
  color:var(--wb-cream);
  border-bottom-color:var(--wb-orange);
  background:rgba(199,91,42,.18);
}
.wb-nav__fixed{display:none;}
.wb-nav__fixed-title{
  font-family:var(--wb-font-mono);font-size:10px;letter-spacing:.3em;
  text-transform:uppercase;color:var(--wb-orange-soft);margin-bottom:10px;
}
.wb-nav__fixed-list{display:grid;gap:4px;}
.wb-nav__fixed-list a{
  display:block;padding:10px 12px;
  font-size:14px;letter-spacing:.06em;
  color:rgba(244,235,221,.86);
  border-left:2px solid rgba(244,235,221,.16);
  background:rgba(16,27,51,.5);
  transition:border-color .2s ease,background .2s ease,color .2s ease;
}
.wb-nav__fixed-list a:hover{border-left-color:var(--wb-emerald);background:rgba(47,125,101,.22);color:var(--wb-cream);}

/* 滚动进度 */
.wb-progress{height:2px;background:rgba(244,235,221,.08);overflow:hidden;}
.wb-progress__fill{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--wb-orange),var(--wb-gold) 60%,var(--wb-cyan));
  transition:transform .12s linear;
}

/* 9. 页脚 ---------------------------------------------------------------- */
.wb-footer{
  position:relative;
  margin-top:clamp(40px,7vw,96px);
  background:linear-gradient(180deg,rgba(27,42,74,.6),rgba(16,27,51,1) 42%);
  border-top:1px solid var(--wb-line-strong);
  color:var(--wb-cream);
}
.wb-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--wb-orange) 0 22%,var(--wb-gold) 22% 34%,rgba(244,235,221,.12) 34% 100%);
}
.wb-footer__grid{
  display:grid;
  grid-template-columns:minmax(240px,1.5fr) repeat(3,minmax(130px,1fr));
  gap:clamp(22px,3vw,48px);
  padding-block:clamp(34px,5vw,64px);
}
.wb-footer__brand{min-width:0;}
.wb-footer__note{
  margin-top:14px;
  max-width:34ch;
  font-size:13.5px;line-height:1.75;color:var(--wb-mist);
}
.wb-footer__contact{display:grid;gap:8px;margin-top:20px;padding:0;list-style:none;}
.wb-footer__contact-row{
  display:flex;align-items:baseline;gap:10px;
  font-family:var(--wb-font-mono);font-size:12.5px;letter-spacing:.02em;
  color:rgba(244,235,221,.86);
}
.wb-footer__contact-label{
  flex:0 0 auto;min-width:44px;
  font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--wb-mist);
}
.wb-footer__contact-value{min-width:0;word-break:break-word;}
.wb-copy{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:16px;padding:8px 14px;
  border:1px solid rgba(95,168,160,.55);
  background:rgba(95,168,160,.1);
  color:var(--wb-cyan);
  font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.16em;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.wb-copy::before{content:"◎";font-size:12px;line-height:1;}
.wb-copy:hover,.wb-copy.is-done{background:rgba(95,168,160,.24);border-color:var(--wb-cyan);color:var(--wb-cream);}
.wb-copy-status{
  display:block;min-height:1.2em;margin-top:8px;
  font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.08em;color:var(--wb-gold);
}
.wb-footer__col{min-width:0;}
.wb-footer__col-title{
  margin-bottom:16px;padding-bottom:10px;
  border-bottom:1px solid var(--wb-line);
  font-family:var(--wb-font-mono);font-size:10.5px;font-weight:400;
  letter-spacing:.26em;text-transform:uppercase;color:var(--wb-orange-soft);
}
.wb-footer__links{display:grid;gap:10px;font-size:14px;}
.wb-footer__links a{
  position:relative;display:inline-block;
  padding-left:14px;color:rgba(244,235,221,.78);
  transition:color .2s ease,padding-left .2s ease;
}
.wb-footer__links a::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:1px;background:var(--wb-gold);
  transition:width .2s ease;
}
.wb-footer__links a:hover{color:var(--wb-cream);padding-left:19px;}
.wb-footer__links a:hover::before{width:12px;}
.wb-footer__base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  padding-block:18px;
  border-top:1px solid var(--wb-line);
  font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.08em;color:var(--wb-mist);
}
.wb-footer__legal{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;}
.wb-footer__legal a{
  color:rgba(244,235,221,.82);
  border-bottom:1px solid rgba(216,162,74,.45);
  padding-bottom:1px;
  transition:color .2s ease,border-color .2s ease;
}
.wb-footer__legal a:hover{color:var(--wb-gold);border-bottom-color:var(--wb-gold);}
.wb-footer__stamp{color:var(--wb-gold);letter-spacing:.14em;}

/* 10. 按钮与标签 --------------------------------------------------------- */
.wb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:46px;padding:12px 24px;
  font-family:var(--wb-font-heading);font-weight:800;font-size:14px;letter-spacing:.14em;
  color:var(--wb-cream);
  background:linear-gradient(180deg,var(--wb-orange),var(--wb-orange-deep));
  border:1px solid var(--wb-orange-deep);
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.wb-btn:hover{background:linear-gradient(180deg,#D4672F,var(--wb-orange));transform:translateY(-1px);}
.wb-btn--ghost{
  background:transparent;color:var(--wb-cream);
  border:1px solid var(--wb-line-strong);
}
.wb-btn--ghost:hover{border-color:var(--wb-gold);color:var(--wb-gold);background:rgba(216,162,74,.1);}
.wb-btn--sm{min-height:38px;padding:8px 16px;font-size:12.5px;letter-spacing:.12em;}
.wb-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;
  font-family:var(--wb-font-mono);font-size:10.5px;letter-spacing:.16em;line-height:1.6;
  color:var(--wb-cream);
  border:1px solid var(--wb-line-strong);
  background:rgba(244,235,221,.06);
  text-transform:uppercase;
}
.wb-tag--rule{color:var(--wb-cream);border-color:rgba(199,91,42,.7);background:rgba(199,91,42,.26);}
.wb-tag--service{color:var(--wb-cream);border-color:rgba(47,125,101,.85);background:rgba(47,125,101,.3);}
.wb-tag--record{color:var(--wb-cream);border-color:rgba(216,162,74,.7);background:rgba(216,162,74,.22);}

/* 11. 面包屑 ------------------------------------------------------------- */
.wb-crumb{padding-block:14px;border-bottom:1px dashed var(--wb-line);}
.wb-crumb__list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;
  font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.14em;color:var(--wb-mist);
}
.wb-crumb__list li{display:flex;align-items:center;gap:8px;}
.wb-crumb__list li+li::before{content:"/";color:var(--wb-orange-soft);}
.wb-crumb__list a{color:rgba(244,235,221,.8);transition:color .2s ease;}
.wb-crumb__list a:hover{color:var(--wb-gold);}
.wb-crumb__list [aria-current="page"]{color:var(--wb-cream);}

/* 12. 面板 / 网格 / 列表 ------------------------------------------------- */
.wb-panel{
  position:relative;
  padding:clamp(18px,2.2vw,28px);
  background:linear-gradient(158deg,rgba(27,42,74,.92),rgba(16,27,51,.82));
  box-shadow:inset 0 0 0 1px rgba(244,235,221,.12);
  clip-path:polygon(0 0,calc(100% - var(--wb-cut)) 0,100% var(--wb-cut),100% 100%,0 100%);
}
.wb-panel__label{
  display:block;margin-bottom:10px;
  font-family:var(--wb-font-mono);font-size:10.5px;letter-spacing:.26em;
  text-transform:uppercase;color:var(--wb-orange-soft);
}
.wb-panel__title{font-size:clamp(18px,1.6vw,22px);letter-spacing:.04em;line-height:1.4;}
.wb-paper .wb-panel{background:rgba(255,255,255,.5);box-shadow:inset 0 0 0 1px rgba(36,26,22,.16);}
.wb-grid{display:grid;gap:clamp(16px,2vw,26px);}
.wb-grid--2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
.wb-grid--3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));}
.wb-grid--split{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:start;}
.wb-grid--stagger>*:nth-child(even){margin-top:clamp(10px,2vw,28px);}
.wb-list{display:grid;gap:10px;margin:0;padding:0;list-style:none;}
.wb-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.8;color:rgba(244,235,221,.84);}
.wb-list li::before{content:"";position:absolute;left:0;top:.78em;width:10px;height:1px;background:var(--wb-gold);}
.wb-paper .wb-list li{color:rgba(36,26,22,.84);}
.wb-paper .wb-list li::before{background:var(--wb-orange);}
.wb-facts{display:grid;border-top:1px solid var(--wb-line);}
.wb-facts__row{
  display:grid;grid-template-columns:minmax(84px,140px) minmax(0,1fr);gap:14px;
  padding:12px 0;border-bottom:1px solid var(--wb-line);
  font-size:14px;line-height:1.7;
}
.wb-facts__key{
  font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--wb-mist);
}
.wb-facts__val{min-width:0;word-break:break-word;}
.wb-paper .wb-facts{border-top-color:rgba(36,26,22,.18);}
.wb-paper .wb-facts__row{border-bottom-color:rgba(36,26,22,.18);}
.wb-paper .wb-facts__key{color:rgba(36,26,22,.62);}

/* 13. 图片容器基础规则（页面阶段放入 <img> 即可） ------------------------ */
.wb-media{
  position:relative;overflow:hidden;
  aspect-ratio:16/10;
  background:linear-gradient(150deg,rgba(27,42,74,.95),rgba(199,91,42,.24) 70%,rgba(47,125,101,.2));
  clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,0 100%);
}
.wb-media img,.wb-media picture,.wb-media video{width:100%;height:100%;object-fit:cover;}
.wb-media--wide{aspect-ratio:21/9;}
.wb-media--tall{aspect-ratio:4/5;}
.wb-media__caption{
  position:absolute;left:0;bottom:0;
  padding:8px 12px;
  background:rgba(16,27,51,.86);
  font-family:var(--wb-font-mono);font-size:10.5px;letter-spacing:.16em;
  color:var(--wb-mist);
}
.wb-paper .wb-media__caption{background:rgba(36,26,22,.86);color:var(--wb-cream);}

/* 14. 筛选协议 ----------------------------------------------------------- */
.wb-filters{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-block:clamp(14px,2vw,24px);}
.wb-filter{
  padding:8px 14px;
  border:1px solid var(--wb-line-strong);
  background:rgba(27,42,74,.62);
  color:rgba(244,235,221,.8);
  font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.16em;line-height:1.5;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.wb-filter:hover{border-color:var(--wb-cyan);color:var(--wb-cream);}
.wb-filter[aria-pressed="true"]{
  background:rgba(95,168,160,.24);
  border-color:var(--wb-cyan);
  color:var(--wb-cream);
  box-shadow:inset 0 0 0 1px rgba(95,168,160,.7);
}
.wb-filter-status{
  margin-left:auto;
  font-family:var(--wb-font-mono);font-size:11px;letter-spacing:.12em;color:var(--wb-mist);
}
[data-filter-item][hidden]{display:none!important;}

/* 15. 动效 --------------------------------------------------------------- */
@keyframes wb-rise{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
@keyframes wb-fade{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
[data-reveal].is-in{animation:wb-rise .6s cubic-bezier(.2,.7,.2,1) both;}
[data-filter-item].is-in-view{animation:wb-fade .32s ease both;}

/* 16. 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:920px){
  .wb-nav-toggle{display:inline-flex;}
  .wb-brand__version{display:none;}
  .wb-header__bar{position:relative;}
  .wb-nav{
    position:absolute;left:0;right:0;top:100%;
    display:block;
    padding:10px var(--wb-pad) 24px;
    background:linear-gradient(180deg,rgba(27,42,74,.99),rgba(16,27,51,.99));
    border-bottom:1px solid var(--wb-line-strong);
    box-shadow:0 28px 46px -22px rgba(0,0,0,.95);
    max-height:calc(100vh - 110px);
    overflow-y:auto;
    opacity:0;visibility:hidden;pointer-events:none;
    transform:translateY(-8px);
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
  }
  .wb-header[data-open] .wb-nav{opacity:1;visibility:visible;pointer-events:auto;transform:none;}
  .wb-nav__list{flex-direction:column;align-items:stretch;gap:0;}
  .wb-nav__list a{
    padding:13px 10px;
    border-bottom:1px solid var(--wb-line);
    border-left:2px solid transparent;
    border-top:0;
    font-size:14.5px;
  }
  .wb-nav__list a:hover{border-bottom-color:var(--wb-line);border-left-color:var(--wb-orange-soft);}
  .wb-nav__list a[aria-current="page"]{
    border-bottom-color:var(--wb-line);
    border-left-color:var(--wb-orange);
    background:rgba(199,91,42,.16);
  }
  .wb-nav__fixed{display:block;margin-top:16px;padding-top:16px;border-top:1px dashed var(--wb-line);}
  body.wb-nav-open{overflow:hidden;}
  .wb-grid--split{grid-template-columns:minmax(0,1fr);}
  .wb-grid--stagger>*:nth-child(even){margin-top:0;}
}
@media (max-width:760px){
  .wb-header__utility-inner{font-size:9.5px;letter-spacing:.16em;}
  .wb-header__utility .wb-header__meta:last-child{display:none;}
  .wb-h1{font-size:clamp(34px,10vw,56px);}
  .wb-footer__grid{grid-template-columns:minmax(0,1fr);}
  .wb-footer__base{justify-content:flex-start;}
  .wb-filter-status{margin-left:0;flex-basis:100%;}
  .wb-facts__row{grid-template-columns:minmax(0,1fr);gap:4px;}
  .wb-media--wide{aspect-ratio:16/10;}
}
@media (max-width:420px){
  .wb-brand__mark{width:38px;height:38px;font-size:10.5px;}
  .wb-brand__name{font-size:15px;letter-spacing:.12em;}
  .wb-brand__sub{font-size:9px;letter-spacing:.26em;}
}

/* 17. 无障碍动效降级 ----------------------------------------------------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .wb-btn:hover{transform:none;}
}