/* ============================================================
   万博的娱乐 · 共享站点样式 /assets/site.css
   暗夜紫底 + 霓虹高光 + 复古出版色，框架式导航与文字建筑
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --wb-night:#0B0616;
  --wb-deep:#150A2E;
  --wb-panel:#241246;
  --wb-line:#3A2468;
  --wb-paper:#F4E7D3;
  --wb-cyan:#21E6C1;
  --wb-magenta:#FF3D9A;
  --wb-amber:#FFA23A;
  --wb-vermilion:#E8452C;
  --wb-mist:#9C8FC4;

  --wb-max:1440px;
  --wb-rail:44px;
  --wb-gutter:clamp(16px,3.4vw,40px);
  --wb-beat:clamp(56px,7vw,96px);
  --wb-drawer-bottom:0px;

  --wb-font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --wb-font-mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Menlo,Consolas,"Courier New","Microsoft YaHei",monospace;

  --wb-ease:cubic-bezier(.22,.68,.16,1);
  --wb-hair:1px solid var(--wb-line);
}

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote,aside,header,footer,nav,section,main{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:focus{outline:none}
:focus-visible{outline:2px solid var(--wb-cyan);outline-offset:4px}

/* ---------- 3. 基底与中文排版 ---------- */
body{
  min-height:100vh;
  color:var(--wb-paper);
  font-family:var(--wb-font-mono);
  font-size:15px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  background-color:var(--wb-night);
  background-image:
    radial-gradient(120% 70% at 6% -12%, rgba(58,36,104,.55) 0%, rgba(11,6,22,0) 62%),
    radial-gradient(90% 55% at 102% -4%, rgba(33,230,193,.10) 0%, rgba(11,6,22,0) 58%),
    repeating-linear-gradient(90deg, rgba(58,36,104,.22) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(0deg, rgba(58,36,104,.18) 0 1px, transparent 1px 96px),
    linear-gradient(180deg, rgba(21,10,46,.85) 0%, rgba(11,6,22,1) 58%);
}
/* 页面装裱描边 */
body::before{
  content:"";position:fixed;inset:0;z-index:100;pointer-events:none;
  border:1px solid var(--wb-line);
}
h1,h2,h3,h4,.wb-display{
  font-family:var(--wb-font-display);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.08;
}
h1{font-size:clamp(34px,5.4vw,72px)}
h2{font-size:clamp(26px,3.4vw,44px)}
h3{font-size:clamp(19px,2vw,26px);font-weight:800}
::selection{background:var(--wb-magenta);color:var(--wb-night)}

/* ---------- 4. 布局骨架 ---------- */
.wb-main{display:block;scroll-margin-top:96px}
.wb-container{width:100%;max-width:var(--wb-max);margin-inline:auto;padding-inline:var(--wb-gutter)}
.wb-container--tight{max-width:1080px}
.wb-section{padding-block:var(--wb-beat)}
.wb-section + .wb-section{border-top:var(--wb-hair)}
.wb-section__head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:10px 28px;margin-bottom:clamp(24px,3vw,40px);
}
.wb-eyebrow{
  font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--wb-cyan);
}
.wb-grid{display:grid;gap:clamp(16px,2.2vw,28px)}
@media (min-width:900px){ .wb-grid--asym{grid-template-columns:minmax(0,7fr) minmax(0,4fr)} }
.wb-rule{height:1px;border:0;background:var(--wb-line);margin:0}

/* 正文容器：34—42 汉字 */
.wb-prose{max-width:42ch;font-size:15px;line-height:1.9;color:var(--wb-paper)}
.wb-prose p + p{margin-top:1.1em}
.wb-prose h3{margin:1.9em 0 .55em}
.wb-prose strong{font-weight:700;color:#fff}
.wb-prose a{color:var(--wb-cyan);border-bottom:1px solid rgba(33,230,193,.42);transition:border-color .2s var(--wb-ease)}
.wb-prose a:hover{border-bottom-color:var(--wb-cyan)}
.wb-prose ul{margin:1em 0;display:grid;gap:.5em}
.wb-prose ul li{padding-left:18px;position:relative}
.wb-prose ul li::before{content:"—";position:absolute;left:0;color:var(--wb-vermilion)}

/* ---------- 5. 页头 · 框架式导航 ---------- */
.wb-skip{
  position:fixed;left:16px;top:-80px;z-index:200;
  background:var(--wb-cyan);color:var(--wb-night);
  padding:12px 20px;font-size:12px;letter-spacing:.18em;
  transition:top .2s var(--wb-ease);
}
.wb-skip:focus{top:16px}

.wb-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(11,6,22,.98) 0%,rgba(11,6,22,.92) 100%);
  border-bottom:var(--wb-hair);
}
.wb-frame{width:100%;max-width:var(--wb-max);margin-inline:auto;padding-inline:var(--wb-gutter)}
.wb-frame__top{
  display:flex;align-items:center;gap:clamp(10px,1.6vw,26px);
  min-height:66px;padding-block:6px;
}

.wb-brand{display:flex;align-items:baseline;gap:10px;flex:0 0 auto}
.wb-brand__mark{
  font-family:var(--wb-font-display);font-weight:900;font-size:22px;
  letter-spacing:-.02em;color:var(--wb-paper);
  transition:color .2s var(--wb-ease);
}
.wb-brand__sub{font-size:10px;letter-spacing:.26em;color:var(--wb-mist);white-space:nowrap}
.wb-brand:hover .wb-brand__mark{color:var(--wb-cyan)}

.wb-badge{
  flex:0 0 auto;
  font-size:10px;letter-spacing:.2em;white-space:nowrap;
  color:var(--wb-vermilion);border:1px solid currentColor;
  background:rgba(232,69,44,.09);padding:4px 9px;
}

.wb-nav{display:none;min-width:0}
@media (min-width:1024px){
  .wb-nav{
    display:block;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;
    margin-left:auto;
  }
  .wb-nav::-webkit-scrollbar{display:none}
}
.wb-nav__list{display:flex;align-items:center;justify-content:flex-end;gap:clamp(4px,1.2vw,18px)}
.wb-nav__item{flex:0 0 auto}
.wb-nav__link{
  position:relative;display:inline-block;padding:10px 2px;
  font-size:12px;letter-spacing:.14em;white-space:nowrap;color:var(--wb-mist);
  transition:color .2s var(--wb-ease);
}
.wb-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:1px;
  background:var(--wb-cyan);transform:scaleX(0);transform-origin:left center;
  transition:transform .28s var(--wb-ease);
}
.wb-nav__link:hover{color:var(--wb-paper)}
.wb-nav__link:hover::after{transform:scaleX(1)}
.wb-nav__link[aria-current="page"]{color:var(--wb-cyan)}
.wb-nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--wb-magenta)}

.wb-topbar__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.wb-hotline{
  display:none;
  font-size:11px;letter-spacing:.16em;white-space:nowrap;
  color:var(--wb-amber);border:1px solid rgba(255,162,58,.42);padding:8px 12px;
  transition:background-color .2s var(--wb-ease),color .2s var(--wb-ease),border-color .2s var(--wb-ease);
}
.wb-hotline:hover{background:var(--wb-amber);border-color:var(--wb-amber);color:var(--wb-night)}
@media (min-width:1024px){ .wb-hotline{display:inline-block} }

.wb-navtoggle{
  display:inline-flex;align-items:center;gap:9px;
  border:var(--wb-hair);padding:8px 12px;
  font-size:11px;letter-spacing:.18em;color:var(--wb-paper);
  transition:border-color .2s var(--wb-ease),color .2s var(--wb-ease);
}
.wb-navtoggle:hover{border-color:var(--wb-cyan);color:var(--wb-cyan)}
.wb-navtoggle[aria-expanded="true"]{border-color:var(--wb-magenta);color:var(--wb-magenta)}
.wb-navtoggle__bars{position:relative;width:16px;height:10px;flex:0 0 auto}
.wb-navtoggle__bars::before,
.wb-navtoggle__bars::after{
  content:"";position:absolute;left:0;right:0;height:1px;background:currentColor;
  transition:top .24s var(--wb-ease),transform .24s var(--wb-ease);
}
.wb-navtoggle__bars::before{top:1px}
.wb-navtoggle__bars::after{top:8px}
.wb-navtoggle[aria-expanded="true"] .wb-navtoggle__bars::before{top:5px;transform:rotate(45deg)}
.wb-navtoggle[aria-expanded="true"] .wb-navtoggle__bars::after{top:5px;transform:rotate(-45deg)}
.wb-navtoggle__label{white-space:nowrap}

/* 左侧竖标尺 */
.wb-ruler{
  display:none;position:fixed;left:0;top:0;bottom:0;width:var(--wb-rail);
  align-items:center;justify-content:center;z-index:50;
  border-right:var(--wb-hair);
  background:linear-gradient(180deg,rgba(36,18,70,.6) 0%,rgba(11,6,22,.4) 100%);
}
.wb-ruler__text{
  writing-mode:vertical-rl;text-orientation:mixed;
  font-size:10px;letter-spacing:.34em;color:var(--wb-mist);
}
@media (min-width:1024px){
  .wb-ruler{display:flex}
  body{padding-left:var(--wb-rail)}
}

/* 右侧隐藏式索引面板 */
.wb-drawer{
  position:fixed;top:0;right:0;bottom:var(--wb-drawer-bottom);
  width:min(420px,90vw);z-index:90;
  display:flex;flex-direction:column;gap:20px;
  padding:26px clamp(20px,4vw,32px) 32px;
  overflow-y:auto;
  background:linear-gradient(200deg,var(--wb-panel) 0%,var(--wb-deep) 48%,var(--wb-night) 100%);
  border-left:var(--wb-hair);
  transform:translateX(102%);
  visibility:hidden;
  transition:transform .34s var(--wb-ease),visibility .34s linear;
}
.wb-drawer[data-open="true"]{transform:translateX(0);visibility:visible}
.wb-drawer__head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-bottom:12px;border-bottom:var(--wb-hair);
}
.wb-drawer__title{
  font-family:var(--wb-font-display);font-weight:800;
  font-size:13px;letter-spacing:.22em;color:var(--wb-paper);
}
.wb-drawer__close{
  font-size:11px;letter-spacing:.18em;color:var(--wb-mist);
  border:var(--wb-hair);padding:6px 10px;
  transition:border-color .2s var(--wb-ease),color .2s var(--wb-ease);
}
.wb-drawer__close:hover{border-color:var(--wb-magenta);color:var(--wb-magenta)}
.wb-drawer__nav ul{display:grid;gap:0}
.wb-drawer__nav a{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 2px;border-bottom:1px dashed rgba(58,36,104,.9);
  font-family:var(--wb-font-display);font-weight:800;font-size:20px;
  letter-spacing:-.01em;color:var(--wb-paper);
  transition:color .2s var(--wb-ease),padding-left .2s var(--wb-ease);
}
.wb-drawer__nav a::after{
  content:"→";font-family:var(--wb-font-mono);font-size:14px;color:var(--wb-cyan);
  opacity:0;transition:opacity .2s var(--wb-ease);
}
.wb-drawer__nav a:hover{color:var(--wb-cyan);padding-left:10px}
.wb-drawer__nav a:hover::after{opacity:1}
.wb-drawer__nav a[aria-current="page"]{color:var(--wb-amber)}
.wb-drawer__cta{align-self:flex-start}
.wb-drawer__meta{
  font-size:11px;line-height:2;letter-spacing:.08em;color:var(--wb-mist);
  border-top:var(--wb-hair);padding-top:14px;
}
.wb-scrim{
  position:fixed;inset:0;z-index:85;
  background:rgba(5,2,12,.68);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--wb-ease),visibility .3s linear;
}
.wb-scrim[data-open="true"]{opacity:1;visibility:visible}

/* ---------- 6. 页脚 ---------- */
.wb-footer{
  margin-top:var(--wb-beat);
  border-top:var(--wb-hair);
  background:linear-gradient(180deg,rgba(21,10,46,.7) 0%,rgba(11,6,22,1) 62%);
  padding-top:clamp(40px,6vw,80px);
}
.wb-footer__top{
  width:100%;max-width:var(--wb-max);margin-inline:auto;
  padding:0 var(--wb-gutter) clamp(28px,4vw,48px);
  display:grid;gap:clamp(28px,4vw,48px);
}
@media (min-width:900px){
  .wb-footer__top{grid-template-columns:minmax(260px,1fr) minmax(0,1.7fr)}
}
.wb-footer__brand{
  font-family:var(--wb-font-display);font-weight:900;
  font-size:clamp(24px,3vw,36px);line-height:1.1;letter-spacing:-.02em;
  color:var(--wb-paper);
}
.wb-footer__tagline{
  margin-top:14px;max-width:34ch;font-size:13px;line-height:1.95;color:var(--wb-mist);
}
.wb-footer__cta{margin-top:24px}

.wb-footer__grid{
  display:grid;gap:clamp(20px,3vw,36px);
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
}
.wb-footer__coltitle{
  font-family:var(--wb-font-mono);font-weight:400;
  font-size:10px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--wb-amber);margin-bottom:14px;
}
.wb-footer__links{display:grid;gap:9px}
.wb-footer__link{
  position:relative;display:inline-block;font-size:13px;padding-bottom:2px;
  color:var(--wb-paper);
  transition:color .2s var(--wb-ease);
}
.wb-footer__link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--wb-cyan);transform:scaleX(0);transform-origin:left center;
  transition:transform .26s var(--wb-ease);
}
.wb-footer__link:hover{color:var(--wb-cyan)}
.wb-footer__link:hover::after{transform:scaleX(1)}

.wb-footer__bottom{
  width:100%;max-width:var(--wb-max);margin-inline:auto;
  border-top:var(--wb-hair);
  padding:20px var(--wb-gutter) 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 28px;
  font-size:11px;letter-spacing:.08em;line-height:1.9;color:var(--wb-mist);
}
.wb-footer__contact{color:var(--wb-paper);word-break:break-word}
.wb-footer__address{max-width:42ch}
.wb-footer__legal{color:var(--wb-mist)}
.wb-footer__city{color:var(--wb-amber);letter-spacing:.18em}
.wb-footer__city::before{
  content:"";display:inline-block;width:6px;height:6px;margin-right:8px;
  background:var(--wb-vermilion);vertical-align:middle;
}
.wb-footer__year{letter-spacing:.14em}

/* ---------- 7. 通用组件 ---------- */
.wb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:1px solid var(--wb-line);padding:13px 22px;
  font-family:var(--wb-font-mono);font-size:12px;letter-spacing:.16em;
  color:var(--wb-paper);background:transparent;
  transition:border-color .2s var(--wb-ease),color .2s var(--wb-ease),background-color .2s var(--wb-ease);
}
.wb-btn:hover{border-color:var(--wb-cyan);color:var(--wb-cyan)}
.wb-btn--solid{background:var(--wb-cyan);border-color:var(--wb-cyan);color:var(--wb-night);font-weight:700}
.wb-btn--solid:hover{background:var(--wb-magenta);border-color:var(--wb-magenta);color:var(--wb-night)}
.wb-btn--seal{border-color:var(--wb-vermilion);color:var(--wb-vermilion)}
.wb-btn--seal:hover{background:var(--wb-vermilion);border-color:var(--wb-vermilion);color:var(--wb-night)}

.wb-card{
  border:var(--wb-hair);
  background:linear-gradient(180deg,rgba(36,18,70,.82) 0%,rgba(21,10,46,.66) 100%);
  padding:clamp(18px,2.4vw,26px);
  transition:border-color .22s var(--wb-ease),box-shadow .22s var(--wb-ease);
}
.wb-card:hover{border-color:var(--wb-cyan);box-shadow:inset 0 0 0 1px var(--wb-cyan)}
.wb-card__title{
  font-family:var(--wb-font-display);font-weight:800;
  font-size:19px;line-height:1.3;margin-bottom:8px;
}
.wb-card__text{font-size:13px;line-height:1.85;color:var(--wb-mist)}

.wb-stat{display:block}
.wb-stat__num{
  display:block;
  font-family:var(--wb-font-display);font-weight:900;
  font-size:clamp(48px,7vw,110px);line-height:.95;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;color:var(--wb-paper);
}
.wb-stat__label{
  display:block;margin-top:10px;
  font-size:11px;letter-spacing:.2em;color:var(--wb-mist);
}
.wb-stat--cyan .wb-stat__num{color:var(--wb-cyan)}
.wb-stat--amber .wb-stat__num{color:var(--wb-amber)}
.wb-stat--magenta .wb-stat__num{color:var(--wb-magenta)}

.wb-tag{
  display:inline-block;font-size:10px;letter-spacing:.2em;
  padding:4px 9px;border:1px solid var(--wb-line);color:var(--wb-mist);
}
.wb-tag--cyan{border-color:var(--wb-cyan);color:var(--wb-cyan)}
.wb-tag--amber{border-color:var(--wb-amber);color:var(--wb-amber)}
.wb-tag--magenta{border-color:var(--wb-magenta);color:var(--wb-magenta)}

.wb-index-grid{display:grid;gap:10px;grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:520px){ .wb-index-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
.wb-index-cell{
  display:block;padding:clamp(14px,2vw,22px);
  border:1px solid var(--wb-cyan);
  background:rgba(36,18,70,.34);
  color:var(--wb-paper);
  transition:background-color .22s var(--wb-ease),color .22s var(--wb-ease),transform .22s var(--wb-ease),border-color .22s var(--wb-ease);
}
.wb-index-cell:hover{background:var(--wb-amber);border-color:var(--wb-amber);color:var(--wb-night);transform:scale(1.02)}
.wb-index-cell__num{
  display:block;font-family:var(--wb-font-display);font-weight:900;
  font-size:26px;line-height:1.1;font-variant-numeric:tabular-nums;
}
.wb-index-cell__name{font-size:12px;letter-spacing:.12em;opacity:.86}

.wb-figure{margin:0;position:relative;border:var(--wb-hair);background:var(--wb-panel);overflow:hidden}
.wb-figure__media{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:
    radial-gradient(120% 90% at 18% 8%, rgba(33,230,193,.20) 0%, rgba(11,6,22,0) 56%),
    radial-gradient(90% 85% at 84% 92%, rgba(255,61,154,.18) 0%, rgba(11,6,22,0) 60%),
    linear-gradient(160deg,var(--wb-panel) 0%,var(--wb-night) 100%);
}
.wb-figure__media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg, rgba(244,231,211,.045) 0 1px, transparent 1px 3px);
}
.wb-figure__img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05) contrast(1.06)}
.wb-figure__caption{
  padding:12px 14px;border-top:var(--wb-hair);
  font-size:11px;letter-spacing:.1em;color:var(--wb-mist);
}
.wb-figure--wide .wb-figure__media{aspect-ratio:21/9}
.wb-figure--tall .wb-figure__media{aspect-ratio:4/5}

.wb-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;
  padding-block:22px;
  font-size:11px;letter-spacing:.14em;color:var(--wb-mist);
}
.wb-breadcrumb li{display:flex;align-items:center}
.wb-breadcrumb li + li::before{content:"／";padding:0 10px;color:var(--wb-line)}
.wb-breadcrumb a{transition:color .2s var(--wb-ease)}
.wb-breadcrumb a:hover{color:var(--wb-cyan)}
.wb-breadcrumb [aria-current="page"]{color:var(--wb-paper)}

/* ---------- 8. 动效状态 ---------- */
html[data-wb="ready"] [data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity .6s var(--wb-ease),transform .6s var(--wb-ease);
}
html[data-wb="ready"] [data-reveal].is-in{opacity:1;transform:none}
.is-flash,
.is-flash:hover,
.wb-card.is-flash,
.wb-index-cell.is-flash,
.wb-btn.is-flash{border-color:var(--wb-magenta);color:var(--wb-magenta)}

/* ---------- 9. 响应式与可访问性 ---------- */
@media (max-width:1023px){
  .wb-frame__top{min-height:60px}
  .wb-brand__mark{font-size:19px}
  .wb-navtoggle__label{display:none}
  .wb-navtoggle{padding:10px 12px}
}
@media (max-width:560px){
  .wb-badge{display:none}
  .wb-brand__sub{display:none}
  .wb-footer__bottom{font-size:10px}
}
@media (max-width:400px){
  .wb-footer__grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html[data-wb="ready"] [data-reveal]{opacity:1;transform:none}
  .wb-index-cell:hover{transform:none}
}
@media print{
  .wb-header,.wb-ruler,.wb-drawer,.wb-scrim,.wb-skip{display:none}
  body{background:#fff;color:#111}
}