/* ============================================================
   第一娱乐中心 · 共享样式表 /assets/site.css
   基调：赛博娱乐夜场 × 数据仪表盘｜锐利直角 · 精密网格
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 20px);
  overflow-x:clip;
}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dt,dd,fieldset{margin:0;padding:0}
ul,ol{list-style:none}
img,picture,svg,video,canvas{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:2px}

/* ---------- 2. 变量 ---------- */
:root{
  --c-void:#07070B;
  --c-panel:#12121A;
  --c-panel-2:#171722;
  --c-purple:#8B5CF6;
  --c-cyan:#22D3EE;
  --c-orange:#FB923C;
  --c-green:#34D399;
  --c-amber:#F59E0B;
  --c-text:#F8FAFC;
  --c-muted:#A1A1AA;
  --c-line:#2A2A35;

  --line-soft:rgba(255,255,255,.06);
  --purple-glow:rgba(139,92,246,.42);
  --cyan-glow:rgba(34,211,238,.32);
  --orange-glow:rgba(251,146,60,.34);

  --font-display:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:var(--font-display);
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --fs-display:clamp(2.6rem,5vw,4.8rem);
  --fs-h2:clamp(1.6rem,3vw,2.6rem);
  --fs-h3:clamp(1.15rem,1.8vw,1.5rem);
  --fs-body:clamp(1rem,1.05vw,1.125rem);
  --fs-small:.9375rem;
  --fs-micro:.8125rem;

  --wrap:1240px;
  --wrap-wide:1440px;
  --gutter:clamp(16px,3.6vw,40px);
  --header-h:64px;

  --t-fast:140ms ease;
  --t-med:280ms cubic-bezier(.2,.7,.3,1);
}

/* ---------- 3. 基底 ---------- */
body{
  min-height:100vh;
  background-color:var(--c-void);
  background-image:
    radial-gradient(900px 520px at 84% -10%, rgba(139,92,246,.22), transparent 62%),
    radial-gradient(720px 420px at 4% 2%, rgba(34,211,238,.13), transparent 60%),
    linear-gradient(to right, rgba(42,42,53,.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42,42,53,.55) 1px, transparent 1px);
  background-size:auto, auto, 88px 88px, 88px 88px;
  background-attachment:scroll, scroll, fixed, fixed;
  color:var(--c-text);
  font-family:var(--font-body);
  font-size:var(--fs-body);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--c-purple);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0A0A11}
::-webkit-scrollbar-thumb{background:#2E2E3C;border:2px solid #0A0A11}
::-webkit-scrollbar-thumb:hover{background:var(--c-purple)}

/* ---------- 4. 排版工具 ---------- */
.mono,.stat-value,.stat-label,.eyebrow,.nav-num,.utility-link,.footer-col-title,.contact-key,.media-caption,.timeline-stamp,.breadcrumbs,.nav-toggle-text,.scroll-meter,.footer-base{font-family:var(--font-mono)}

.display-1{
  font-family:var(--font-display);
  font-weight:900;
  font-size:var(--fs-display);
  line-height:1.04;
  letter-spacing:-.03em;
}
.display-2{
  font-family:var(--font-display);
  font-weight:900;
  font-size:var(--fs-h2);
  line-height:1.12;
  letter-spacing:-.02em;
}
.section-title{
  font-family:var(--font-display);
  font-weight:900;
  font-size:var(--fs-h2);
  line-height:1.14;
  letter-spacing:-.02em;
}
.lede{
  color:var(--c-muted);
  font-size:var(--fs-body);
  line-height:1.8;
  max-width:64ch;
}
.text-muted{color:var(--c-muted)}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.divider{height:1px;background:var(--c-line);border:0;margin:0}
.skip-link{
  position:fixed;left:12px;top:-72px;z-index:300;
  background:var(--c-orange);color:#180A02;
  font-weight:700;font-size:.875rem;letter-spacing:.04em;
  padding:12px 18px;
  transition:top var(--t-fast);
}
.skip-link:focus{top:12px}

/* ---------- 5. 容器与分区 ---------- */
.wrap{
  width:100%;max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.wrap--wide{max-width:var(--wrap-wide)}
.section{
  position:relative;
  padding:clamp(48px,7vw,104px) 0;
  transition:background var(--t-med);
}
.section--ruled{border-top:1px solid var(--c-line)}
.section.is-active{
  background:linear-gradient(180deg, rgba(139,92,246,.075), rgba(139,92,246,0) 260px);
}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;
  justify-content:space-between;gap:16px 32px;
  margin-bottom:clamp(24px,3.4vw,44px);
}
.eyebrow{
  display:flex;align-items:center;gap:10px;
  font-size:var(--fs-micro);
  letter-spacing:.2em;
  color:var(--c-cyan);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";width:22px;height:1px;background:var(--c-cyan);
  transition:width var(--t-med),background var(--t-med);
}
.section.is-active .eyebrow{color:var(--c-orange)}
.section.is-active .eyebrow::before{background:var(--c-orange);width:36px}

/* ---------- 6. 网格组件 ---------- */
.grid{display:grid;gap:clamp(16px,2vw,26px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.bento{
  display:grid;
  gap:1px;
  background:var(--c-line);
  border:1px solid var(--c-line);
}
.bento--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.bento-cell{
  position:relative;
  min-width:0;
  background:var(--c-panel);
  padding:clamp(18px,2.4vw,30px);
}
.bento-cell--focus{
  background:
    radial-gradient(130% 130% at 0% 0%, rgba(139,92,246,.24), transparent 62%),
    var(--c-panel);
}
.bento-cell--cyan{background:linear-gradient(158deg, rgba(34,211,238,.14), var(--c-panel) 68%)}
.bento-cell--orange{background:linear-gradient(158deg, rgba(251,146,60,.16), var(--c-panel) 68%)}
.bento--12 .col-3{grid-column:span 3}
.bento--12 .col-4{grid-column:span 4}
.bento--12 .col-6{grid-column:span 6}
.bento--12 .col-8{grid-column:span 8}
.bento--12 .col-12{grid-column:span 12}

/* ---------- 7. 卡片 / 数据 / 标签 ---------- */
.card{
  position:relative;
  min-width:0;
  background:var(--c-panel);
  border:1px solid var(--c-line);
  padding:clamp(18px,2.2vw,26px);
  transition:border-color var(--t-fast),background var(--t-fast),transform var(--t-fast);
}
.card:hover{border-color:var(--c-purple);background:var(--c-panel-2);transform:translateY(-2px)}
.card--live{border-left:2px solid var(--c-green)}
.card--delay{border-left:2px solid var(--c-amber)}
.card-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:var(--fs-h3);
  line-height:1.3;
  letter-spacing:-.01em;
}
.card-text{color:var(--c-muted);font-size:var(--fs-small);line-height:1.75;margin-top:10px}

.stat{display:flex;flex-direction:column;gap:8px}
.stat-value{
  font-weight:700;
  font-size:clamp(2rem,4.6vw,3.4rem);
  line-height:1;
  letter-spacing:-.03em;
  color:var(--c-text);
  font-variant-numeric:tabular-nums;
}
.stat-value--purple{color:var(--c-purple)}
.stat-value--cyan{color:var(--c-cyan)}
.stat-value--orange{color:var(--c-orange)}
.stat-value--green{color:var(--c-green)}
.stat-unit{font-size:.42em;color:var(--c-muted);margin-left:8px;letter-spacing:0}
.stat-label{
  font-size:var(--fs-micro);
  letter-spacing:.12em;
  color:var(--c-muted);
  text-transform:none;
}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);
  font-size:.75rem;letter-spacing:.08em;
  padding:4px 9px;
  border:1px solid var(--c-line);
  background:#0E0E16;color:var(--c-muted);
  white-space:nowrap;
}
.tag--live{color:var(--c-green);border-color:rgba(52,211,153,.42)}
.tag--delay{color:var(--c-amber);border-color:rgba(245,158,11,.42)}
.tag--info{color:var(--c-cyan);border-color:rgba(34,211,238,.42)}
.tag--hot{color:var(--c-orange);border-color:rgba(251,146,60,.42)}

/* ---------- 8. 时间轴 ---------- */
.timeline{
  position:relative;
  padding-left:26px;
  border-left:1px solid var(--c-line);
}
.timeline-item{position:relative;padding-bottom:28px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-32px;top:7px;
  width:11px;height:11px;
  background:var(--c-void);
  border:2px solid var(--c-purple);
}
.timeline-item::after{
  content:"";position:absolute;left:-27px;top:18px;
  width:1px;height:0;
}
.timeline-stamp{
  font-size:var(--fs-micro);
  letter-spacing:.1em;
  color:var(--c-cyan);
}
.timeline-title{font-weight:700;font-size:1.0625rem;line-height:1.4;margin-top:6px}
.timeline-text{color:var(--c-muted);font-size:var(--fs-small);line-height:1.75;margin-top:6px}

/* ---------- 9. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 22px;
  border:1px solid var(--c-line);
  background:var(--c-panel);
  color:var(--c-text);
  font-size:var(--fs-small);
  font-weight:500;
  letter-spacing:.03em;
  line-height:1;
  white-space:nowrap;
  transition:background var(--t-fast),border-color var(--t-fast),color var(--t-fast),box-shadow var(--t-fast),transform var(--t-fast);
}
.btn:hover{border-color:var(--c-purple);background:#1B1B27}
.btn:active{transform:translateY(1px)}
.btn--primary{
  background:linear-gradient(118deg,var(--c-purple),#6D3BE0);
  border-color:transparent;color:#FFFFFF;font-weight:700;
}
.btn--primary:hover{
  background:linear-gradient(118deg,#9B6BFF,#7A45F0);
  box-shadow:0 12px 34px -16px var(--purple-glow);
}
.btn--accent{
  background:var(--c-orange);border-color:transparent;color:#1A0C02;font-weight:700;
}
.btn--accent:hover{background:#FFA95C;box-shadow:0 12px 34px -16px var(--orange-glow)}
.btn--line{background:transparent;border-color:var(--c-cyan);color:var(--c-cyan)}
.btn--line:hover{background:rgba(34,211,238,.1);border-color:var(--c-cyan)}
.btn--sm{padding:9px 15px;font-size:var(--fs-micro)}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 10. 面包屑 ---------- */
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:18px 0;
  font-size:var(--fs-micro);
  letter-spacing:.06em;
  color:var(--c-muted);
}
.breadcrumbs a{transition:color var(--t-fast)}
.breadcrumbs a:hover{color:var(--c-cyan)}
.breadcrumbs-sep{color:var(--c-line)}
.breadcrumbs [aria-current="page"]{color:var(--c-text)}

/* ---------- 11. 手风琴 / 筛选 ---------- */
.accordion{border:1px solid var(--c-line);background:var(--c-panel)}
.accordion-item + .accordion-item{border-top:1px solid var(--c-line)}
.accordion-trigger{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;
  text-align:left;
  font-weight:700;font-size:1rem;line-height:1.5;
  transition:background var(--t-fast),color var(--t-fast);
}
.accordion-trigger:hover{background:var(--c-panel-2);color:var(--c-cyan)}
.accordion-trigger::after{
  content:"+";font-family:var(--font-mono);font-size:1.25rem;line-height:1;
  color:var(--c-cyan);flex:0 0 auto;
}
.accordion-trigger[aria-expanded="true"]{color:var(--c-text)}
.accordion-trigger[aria-expanded="true"]::after{content:"–";color:var(--c-orange)}
.accordion-panel{
  padding:0 20px 22px;
  color:var(--c-muted);
  font-size:var(--fs-small);
  line-height:1.8;
}
.accordion-panel[hidden]{display:none}

.filter-bar{display:flex;flex-wrap:wrap;gap:8px}
.filter-btn{
  font-family:var(--font-mono);
  font-size:var(--fs-micro);letter-spacing:.08em;
  padding:8px 14px;
  border:1px solid var(--c-line);
  background:#0E0E16;color:var(--c-muted);
  transition:color var(--t-fast),border-color var(--t-fast),background var(--t-fast);
}
.filter-btn:hover{color:var(--c-text);border-color:var(--c-purple)}
.filter-btn[aria-pressed="true"]{
  color:#1A0C02;background:var(--c-orange);border-color:var(--c-orange);font-weight:700;
}

/* ---------- 12. 媒体容器（页面阶段放图） ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid var(--c-line);
  background:linear-gradient(140deg,#15151F,#0B0B12);
  isolation:isolate;
}
.media img{width:100%;height:100%;object-fit:cover;object-position:center}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--3x4{aspect-ratio:3/4}
.media--21x9{aspect-ratio:21/9}
.media[data-empty]::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(135deg, rgba(139,92,246,.16) 0 1px, transparent 1px 14px),
    repeating-linear-gradient(45deg, rgba(34,211,238,.10) 0 1px, transparent 1px 22px);
}
.media--diag::after{
  content:"";position:absolute;left:-30%;right:-30%;bottom:-6%;height:44%;
  background:linear-gradient(90deg,transparent,rgba(139,92,246,.36),rgba(34,211,238,.26),transparent);
  transform:rotate(-9deg);
  pointer-events:none;
  mix-blend-mode:screen;
}
.media-caption{
  font-size:.75rem;
  color:var(--c-muted);
  letter-spacing:.05em;
  margin-top:10px;
}

/* ---------- 13. 共享页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,7,11,.88);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--c-line);
}
.site-header::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--c-purple),var(--c-cyan) 34%,rgba(34,211,238,0) 58%,rgba(251,146,60,0) 66%,var(--c-orange));
  opacity:.9;
  pointer-events:none;
}
.header-frame{
  position:relative;
  max-width:var(--wrap-wide);
  margin:0 auto;
  min-height:var(--header-h);
  display:flex;align-items:stretch;
  border-left:1px solid var(--c-line);
  border-right:1px solid var(--c-line);
}
.header-brand{
  display:flex;align-items:center;flex:0 0 auto;
  padding:0 clamp(12px,1.6vw,20px);
  border-right:1px solid var(--c-line);
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  position:relative;width:26px;height:26px;flex:0 0 auto;
  display:grid;place-items:center;
  border:1px solid var(--c-purple);
  background:rgba(139,92,246,.14);
}
.brand-mark-core{
  width:8px;height:8px;background:var(--c-cyan);
  box-shadow:0 0 14px var(--cyan-glow);
}
.brand-copy{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:var(--font-display);font-weight:900;font-size:1.0625rem;letter-spacing:.02em}
.brand-tag{
  font-family:var(--font-mono);
  font-size:.6875rem;letter-spacing:.16em;
  color:var(--c-muted);margin-top:4px;
}
.header-nav{
  flex:1 1 auto;min-width:0;
  display:flex;align-items:stretch;justify-content:space-between;
}
.nav-list{display:flex;align-items:stretch}
.nav-item{display:flex}
.nav-link{
  position:relative;
  display:flex;align-items:center;gap:8px;
  padding:0 clamp(10px,1.2vw,18px);
  border-right:1px solid var(--c-line);
  color:var(--c-muted);
  font-size:var(--fs-small);font-weight:500;
  white-space:nowrap;
  transition:color var(--t-fast),background var(--t-fast);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:transparent;
  transition:background var(--t-fast);
}
.nav-link:hover{color:var(--c-text);background:rgba(139,92,246,.09)}
.nav-link:hover::after{background:var(--c-cyan)}
.nav-link:hover .nav-num{color:var(--c-cyan)}
.nav-link[aria-current="page"]{
  color:var(--c-text);
  background:linear-gradient(180deg, rgba(139,92,246,.20), rgba(139,92,246,0));
}
.nav-link[aria-current="page"]::after{background:var(--c-orange)}
.nav-link[aria-current="page"] .nav-num{color:var(--c-orange)}
.nav-num{
  font-size:.6875rem;letter-spacing:.06em;
  color:rgba(139,92,246,.85);
  transition:color var(--t-fast);
}
.nav-utility{
  display:flex;align-items:center;gap:18px;
  padding:0 clamp(12px,1.5vw,22px);
  border-left:1px solid var(--c-line);
}
.utility-link{
  font-size:.75rem;letter-spacing:.06em;
  color:var(--c-muted);
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color var(--t-fast),border-color var(--t-fast);
}
.utility-link:hover{color:var(--c-cyan);border-color:var(--c-cyan)}
.header-actions{
  display:flex;align-items:center;gap:12px;flex:0 0 auto;
  padding:0 clamp(12px,1.6vw,20px);
  border-left:1px solid var(--c-line);
}
.header-cta{white-space:nowrap}
.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:0 12px;
  border-left:1px solid var(--c-line);
  color:var(--c-text);
  align-self:stretch;
}
.nav-toggle-box{display:grid;gap:4px;width:18px}
.nav-toggle-bar{
  display:block;height:2px;background:var(--c-text);
  transition:transform var(--t-fast),opacity var(--t-fast),background var(--t-fast);
}
.nav-toggle:hover .nav-toggle-bar{background:var(--c-cyan)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar{background:var(--c-orange)}
.nav-toggle-text{font-size:.75rem;letter-spacing:.12em;color:var(--c-muted)}
.scroll-meter{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(42,42,53,.6);
  pointer-events:none;
}
.scroll-meter-fill{
  display:block;height:100%;width:0%;
  background:linear-gradient(90deg,var(--c-purple),var(--c-cyan) 62%,var(--c-orange));
  box-shadow:0 0 14px var(--purple-glow);
  transition:width 90ms linear;
}

/* ---------- 14. 共享页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,120px);
  background:#090910;
  border-top:1px solid var(--c-line);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--c-orange),var(--c-purple) 38%,var(--c-cyan) 68%,rgba(34,211,238,0));
  opacity:.85;
  pointer-events:none;
}
.footer-frame{
  max-width:var(--wrap-wide);
  margin:0 auto;
  padding:clamp(34px,5vw,64px) var(--gutter) clamp(28px,3.4vw,46px);
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.5fr);
  gap:clamp(24px,3vw,48px);
  border-left:1px solid var(--c-line);
  border-right:1px solid var(--c-line);
}
.footer-logo{
  font-family:var(--font-display);
  font-weight:900;font-size:1.25rem;letter-spacing:.02em;
}
.footer-tag{
  font-family:var(--font-mono);
  font-size:.75rem;letter-spacing:.16em;
  color:var(--c-purple);
  margin-top:8px;
}
.footer-desc{
  color:var(--c-muted);
  font-size:var(--fs-small);
  line-height:1.75;
  margin-top:14px;
  max-width:36ch;
}
.footer-meta{margin-top:20px;display:grid;gap:9px}
.meta-row{display:flex;gap:12px;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.04em}
.meta-row dt{color:#5A5A6E;flex:0 0 auto}
.meta-row dd{color:var(--c-muted)}

.footer-col{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.footer-col-title{
  font-size:.75rem;letter-spacing:.2em;
  color:var(--c-cyan);
  margin-bottom:6px;
}
.footer-link{
  font-size:var(--fs-small);
  color:var(--c-muted);
  padding:3px 0;
  border-bottom:1px solid transparent;
  transition:color var(--t-fast),border-color var(--t-fast),padding-left var(--t-fast);
}
.footer-link:hover{color:var(--c-text);border-color:var(--c-purple);padding-left:6px}
.footer-col--contact{gap:8px}
.contact-line{display:flex;gap:10px;font-size:var(--fs-micro);letter-spacing:.03em;line-height:1.7}
.contact-key{color:#5A5A6E;flex:0 0 38px}
.contact-val{color:var(--c-text);word-break:break-all}
.contact-note{color:var(--c-muted);font-size:.75rem;line-height:1.7;margin-top:4px}
.footer-col--contact .btn{margin-top:8px}
.footer-base{
  max-width:var(--wrap-wide);
  margin:0 auto;
  padding:18px var(--gutter);
  display:flex;flex-wrap:wrap;gap:10px 28px;
  justify-content:space-between;
  border-top:1px solid var(--c-line);
  border-left:1px solid var(--c-line);
  border-right:1px solid var(--c-line);
  font-size:.75rem;
  letter-spacing:.04em;
  color:var(--c-muted);
}
.footer-legal{color:var(--c-muted)}
.footer-base-contact{color:#5A5A6E;word-break:break-all}

/* ---------- 15. 显现动画 ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.3,1);
  will-change:opacity,transform;
}
html.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 16. 响应式 ---------- */
@media (max-width:1200px){
  .nav-utility{display:none}
}
@media (max-width:1080px){
  :root{--header-h:60px}
  .header-frame{flex-wrap:nowrap}
  .header-actions{margin-left:auto;border-left:0}
  .header-brand{flex:1 1 auto;border-right:0}
  .nav-toggle{display:inline-flex}
  .header-nav{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    background:#0A0A11;
    border-top:1px solid var(--c-line);
    border-bottom:1px solid var(--c-line);
    padding:6px 0 20px;
    max-height:72vh;
    overflow-y:auto;
    box-shadow:0 30px 70px -34px rgba(0,0,0,.95);
  }
  .header-nav[data-open]{display:flex}
  .nav-list{flex-direction:column;align-items:stretch}
  .nav-item{width:100%}
  .nav-link{
    padding:15px 22px;
    border-right:0;
    border-bottom:1px solid var(--c-line);
    font-size:1rem;
    color:var(--c-text);
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{background:linear-gradient(90deg, rgba(251,146,60,.18), rgba(251,146,60,0))}
  .nav-utility{
    display:flex;flex-wrap:wrap;gap:18px;
    padding:18px 22px 0;
    border-left:0;
  }
  .utility-link{font-size:var(--fs-micro);color:var(--c-cyan)}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento--12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento--12 .col-3,
  .bento--12 .col-4,
  .bento--12 .col-6,
  .bento--12 .col-8,
  .bento--12 .col-12{grid-column:span 1}
  .footer-frame{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:span 2}
}
@media (max-width:720px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .bento--12{grid-template-columns:minmax(0,1fr)}
  .bento--12 .col-3,
  .bento--12 .col-4,
  .bento--12 .col-6,
  .bento--12 .col-8,
  .bento--12 .col-12{grid-column:span 1}
  .footer-frame{grid-template-columns:minmax(0,1fr)}
  .footer-brand{grid-column:span 1}
  .footer-base{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .header-cta{display:none}
  .header-actions{padding-right:8px}
  .brand-tag{display:none}
  .brand-name{font-size:1rem}
  .section-head{align-items:flex-start}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }
  html.js [data-reveal]{opacity:1;transform:none}
  .scroll-meter-fill{transition:none}
}