/* ============================================================
   火狐体育赛场 · lineup-huohu.com.cn
   /assets/site.css — 共享外壳：reset / 变量 / 头部 / 页脚 / 通用组件
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --huohu-orange:#FF6A1A;
  --huohu-amber:#FF8A3D;
  --ink-bg:#101218;
  --ink-bg-2:#1B1F2A;
  --slate:#2A3346;
  --mist:#A6B3C9;
  --ink:#F4F7FB;
  --card-red:#E5323B;
  --card-yellow:#FFC42E;
  --archive-teal:#2FBF9B;
  --line:rgba(166,179,201,.16);
  --line-strong:rgba(166,179,201,.32);
  --radius-s:14px;
  --radius-m:20px;
  --radius-l:28px;
  --gap:20px;
  --wrap:1360px;
  --font-head:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Consolas,"Liberation Mono","Courier New",monospace;
}

/* ---------- 2. Reset ---------- */
*,*::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,blockquote,dl,dd,details,summary{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
summary{cursor:pointer}
table{border-collapse:collapse;width:100%}
::selection{background:var(--huohu-orange);color:#101218}
:focus-visible{outline:2px solid var(--huohu-orange);outline-offset:3px;border-radius:6px}

/* ---------- 3. 基础排版 ---------- */
body{
  background:var(--ink-bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16.5px;
  font-weight:400;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4,h5{
  font-family:var(--font-head);
  font-weight:800;
  line-height:1.14;
  letter-spacing:-.01em;
  color:var(--ink);
  text-wrap:balance;
}
h1{font-size:clamp(34px,5.2vw,56px)}
h2{font-size:clamp(26px,3.6vw,44px)}
h3{font-size:clamp(21px,2.4vw,34px)}
h4{font-size:clamp(18px,1.6vw,26px);font-weight:700}
h5{font-size:20px;font-weight:700}
p{max-width:42em}
strong,b{font-weight:700}
hr{border:0;height:1px;background:var(--line)}

/* ---------- 4. 工具类 ---------- */
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.muted{color:var(--mist)}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.label-mono{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--mist)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--huohu-orange)}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--huohu-orange)}
.lead{font-size:clamp(17px,1.5vw,20px);line-height:1.7;color:var(--mist);max-width:34em}
.divider{height:1px;background:linear-gradient(90deg,rgba(255,106,26,.55),rgba(166,179,201,.16) 42%,transparent)}

/* ---------- 5. 容器与章节 ---------- */
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 clamp(16px,3vw,32px)}
.section{padding:clamp(40px,6vw,76px) 0}
.section--tight{padding:clamp(26px,3.6vw,44px) 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px}
.section-head p{color:var(--mist);font-size:15px;max-width:38em}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-family:var(--font-head);font-weight:700;font-size:15px;letter-spacing:.01em;
  white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--pulse{
  background:linear-gradient(135deg,var(--huohu-amber),var(--huohu-orange));
  color:#14161C;
  box-shadow:0 12px 28px -14px rgba(255,106,26,.95);
}
.btn--pulse:hover{transform:translateY(-2px)}
.btn--ghost{border-color:var(--line-strong);background:rgba(42,51,70,.35);color:var(--ink)}
.btn--ghost:hover{border-color:var(--huohu-orange);color:var(--huohu-orange)}
.btn--sm{padding:8px 16px;font-size:13.5px}
.btn-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}

/* ---------- 7. 跳转链接 ---------- */
.skip-link{
  position:absolute;left:16px;top:8px;z-index:200;
  transform:translateY(-180%);
  padding:10px 18px;border-radius:999px;
  background:var(--huohu-orange);color:#101218;
  font-family:var(--font-head);font-weight:700;font-size:14px;
  transition:transform .18s ease;
}
.skip-link:focus-visible{transform:translateY(0)}

/* ---------- 8. 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(16,18,24,.94);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background-color .22s ease,box-shadow .22s ease;
}
.site-header[data-scrolled="true"]{
  background:rgba(13,15,20,.97);
  box-shadow:0 22px 44px -32px rgba(0,0,0,.95);
}
.site-header[data-open="true"]::before{
  content:"";position:fixed;inset:0;z-index:55;
  background:rgba(8,9,13,.74);pointer-events:none;
}

/* 顶部状态轨道 */
.header-rail{
  display:flex;align-items:center;gap:18px;
  padding:7px clamp(16px,3vw,32px);
  border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--mist);white-space:nowrap;overflow:hidden;
}
.rail-item{display:inline-flex;align-items:center;gap:8px}
.rail-item--mono{margin-left:auto;color:rgba(166,179,201,.72)}
.rail-item--pulse{color:var(--huohu-orange)}
.rail-item--pulse::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--huohu-orange);
  animation:huohu-pulse 2.4s ease-in-out infinite;
}
@keyframes huohu-pulse{
  0%,100%{opacity:.5;box-shadow:0 0 0 0 rgba(255,106,26,.5)}
  50%{opacity:1;box-shadow:0 0 0 7px rgba(255,106,26,0)}
}

/* 主体：左品牌 / 右栏目 */
.header-inner{
  position:relative;
  max-width:var(--wrap);margin:0 auto;
  padding:16px clamp(16px,3vw,32px) 18px;
  display:grid;grid-template-columns:minmax(0,auto) minmax(0,1fr);
  align-items:start;gap:18px 28px;
}
.header-left{display:flex;flex-direction:column;gap:10px;min-width:0}

.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink)}
.brand__sigil{
  position:relative;flex:0 0 auto;width:38px;height:38px;
  background:linear-gradient(150deg,var(--huohu-amber),var(--huohu-orange) 62%,#C8450C);
  clip-path:polygon(16% 0,100% 0,100% 84%,84% 100%,0 100%,0 16%);
  box-shadow:inset 0 0 0 1px rgba(255,138,61,.4);
}
.brand__sigil::after{
  content:"";position:absolute;inset:11px;
  background:rgba(16,18,24,.82);
  clip-path:polygon(0 0,100% 0,100% 46%,48% 100%,0 100%);
}
.brand__lines{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand__name{font-family:var(--font-head);font-weight:800;font-size:20px;line-height:1.15;letter-spacing:-.01em}
.brand__domain{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--mist)}
.brand:hover .brand__name{color:var(--huohu-orange)}

.version-tag{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:4px 10px;border:1px dashed rgba(255,106,26,.45);border-radius:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--huohu-orange);
}
.version-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--archive-teal)}

.header-right{display:flex;flex-direction:column;align-items:flex-end;gap:10px;min-width:0}
.nav-row{display:flex;align-items:center;justify-content:flex-end;gap:16px;width:100%;min-width:0}
.nav-index{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
  color:rgba(166,179,201,.55);white-space:nowrap;
}
.nav-index::after{content:"";display:inline-block;width:34px;height:1px;margin-left:10px;vertical-align:middle;background:linear-gradient(90deg,var(--line-strong),transparent)}

.site-nav{min-width:0}
.site-nav__list{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:2px}
.site-nav__link{
  position:relative;display:inline-block;
  padding:9px 13px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--mist);
  transition:color .18s ease,background-color .18s ease;
}
.site-nav__link:hover{color:var(--ink);background:rgba(42,51,70,.62)}
.site-nav__link[aria-current="page"]{color:var(--ink);background:rgba(255,106,26,.14)}
.site-nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;
  background:var(--huohu-orange);
  animation:huohu-underline 2.4s ease-in-out infinite;
}
@keyframes huohu-underline{
  0%,100%{opacity:.45;transform:scaleX(.72)}
  50%{opacity:1;transform:scaleX(1)}
}

.utility-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:12px;width:100%}
.finder{
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 16px 9px 14px;border:1px solid var(--line-strong);border-radius:999px;
  background:rgba(42,51,70,.38);color:var(--mist);
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.finder:hover{border-color:rgba(255,106,26,.6);color:var(--ink);transform:translateX(-4px)}
.finder__label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--huohu-orange)}
.finder__mono{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.02em;color:inherit}

.nav-toggle{
  display:none;
  align-items:center;gap:9px;
  padding:9px 14px;border:1px solid var(--line-strong);border-radius:999px;
  color:var(--ink);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle__bars span{display:block;height:2px;border-radius:2px;background:currentColor;transition:transform .22s ease}
.nav-toggle[aria-expanded="true"]{border-color:rgba(255,106,26,.65);color:var(--huohu-orange)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child{transform:translateY(3px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child{transform:translateY(-3px) rotate(-45deg)}

/* 滚动进度（由 JS 注入） */
.scroll-progress{
  position:absolute;left:0;bottom:-1px;z-index:2;
  width:0;height:2px;
  background:linear-gradient(90deg,var(--huohu-amber),var(--huohu-orange));
  box-shadow:0 0 12px rgba(255,106,26,.8);
  pointer-events:none;
}

/* ---------- 9. 页脚 ---------- */
.site-footer{
  position:relative;isolation:isolate;overflow:hidden;
  margin-top:clamp(56px,7vw,96px);
  background:linear-gradient(180deg,#101218 0%,#151922 46%,#0B0D12 100%);
  border-top:1px solid var(--line);
}
.footer-pitch{
  position:absolute;left:0;right:0;bottom:0;height:340px;z-index:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,rgba(255,106,26,.07) 0 1px,transparent 1px 84px);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 72%);
  mask-image:linear-gradient(180deg,transparent,#000 72%);
}
.footer-pitch::after{
  content:"";position:absolute;left:50%;bottom:-150px;
  width:min(680px,90vw);height:280px;transform:translateX(-50%);
  border:1px solid rgba(255,106,26,.18);border-radius:50%;
}
.footer-inner{
  position:relative;z-index:1;
  max-width:var(--wrap);margin:0 auto;
  padding:clamp(40px,6vw,72px) clamp(16px,3vw,32px) 30px;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:34px 36px;
}
.footer-brand{display:flex;flex-direction:column;gap:14px;min-width:0}
.brand--footer .brand__sigil{width:32px;height:32px}
.brand--footer .brand__name{font-size:18px}
.footer-summary{color:var(--mist);font-size:14.5px;line-height:1.8;max-width:32em}
.footer-badge{
  display:inline-flex;align-items:center;gap:9px;align-self:flex-start;
  padding:5px 13px;border:1px solid var(--line-strong);border-radius:999px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mist);
}
.footer-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--archive-teal);box-shadow:0 0 0 4px rgba(47,191,155,.16)}

.footer-col{display:flex;flex-direction:column;gap:12px;min-width:0}
.footer-col__title{
  font-family:var(--font-mono);font-size:11px;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;color:var(--huohu-orange);
}
.footer-col__list{display:flex;flex-direction:column;gap:8px}
.footer-col__list a{
  color:var(--mist);font-size:14.5px;
  transition:color .18s ease,padding-left .18s ease;
}
.footer-col__list a:hover{color:var(--ink);padding-left:6px}

.footer-contact{
  grid-column:1 / span 2;
  display:flex;flex-direction:column;gap:10px;
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:rgba(42,51,70,.28);
}
.contact-line{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;font-size:14.5px;max-width:none}
.contact-line__label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--mist);min-width:64px}
.contact-line__value{font-family:var(--font-mono);font-size:13.5px;color:var(--ink);word-break:break-word}
.contact-line--note .contact-line__value{font-family:var(--font-body);font-size:13.5px;line-height:1.7;color:var(--mist)}

.footer-service{
  grid-column:3 / span 2;
  display:flex;flex-direction:column;justify-content:center;gap:8px;
  padding:20px 22px;border:1px dashed rgba(255,138,61,.32);border-radius:var(--radius-m);
  color:var(--mist);font-size:14.5px;
}
.footer-legal{
  grid-column:1 / -1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  margin-top:6px;padding-top:22px;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:rgba(166,179,201,.72);
}
.footer-legal__meta{max-width:none}

/* ---------- 10. 通用内容组件 ---------- */
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--aside{grid-template-columns:minmax(0,7fr) minmax(0,4fr)}

.bento{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  grid-auto-rows:minmax(110px,auto);gap:var(--gap);
}
.bento__cell{
  position:relative;overflow:hidden;
  padding:clamp(18px,2.2vw,26px);
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(42,51,70,.55),rgba(16,18,24,.88));
}
.bento__cell--s{grid-column:span 1}
.bento__cell--m{grid-column:span 2}
.bento__cell--l{grid-column:span 2;grid-row:span 2}
.bento__cell--xl{grid-column:span 4;grid-row:span 2}
.bento__cell--focus{
  border-color:rgba(255,138,61,.42);
  background:linear-gradient(140deg,rgba(255,138,61,.22),rgba(255,106,26,.08) 44%,rgba(16,18,24,.92));
}

.panel{
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:rgba(27,31,42,.7);
  padding:clamp(18px,2.2vw,24px);
}

.stat{display:flex;flex-direction:column;gap:2px}
.stat__value{font-family:var(--font-mono);font-size:clamp(28px,3.4vw,40px);font-weight:700;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums}
.stat__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--mist)}

.data-strip{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:16px;
  padding:14px 18px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:rgba(42,51,70,.34);
  transition:transform .18s ease,border-color .18s ease,background-color .18s ease;
}
.data-strip:hover{transform:translateX(4px);border-color:rgba(255,106,26,.48);background:rgba(42,51,70,.5)}
.data-strip__code{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--huohu-orange);font-variant-numeric:tabular-nums}

.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border:1px solid var(--line-strong);border-radius:999px;
  background:rgba(42,51,70,.3);color:var(--mist);font-size:13.5px;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.chip:hover{color:var(--ink);border-color:rgba(255,106,26,.55)}
.chip.is-active{
  color:#14161C;font-weight:700;border-color:transparent;
  background:linear-gradient(135deg,var(--huohu-amber),var(--huohu-orange));
}

.legend{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.legend__item{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--mist);
}
.legend__swatch{display:inline-block;width:11px;height:11px;border-radius:3px}
.legend__swatch--red{background:var(--card-red)}
.legend__swatch--yellow{background:var(--card-yellow)}
.legend__swatch--orange{background:var(--huohu-orange)}
.legend__swatch--teal{background:var(--archive-teal)}

.timeline{position:relative;display:flex;flex-direction:column;gap:22px;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(255,106,26,.55),rgba(166,179,201,.18));
}
.timeline__item{position:relative}
.timeline__dot{
  position:absolute;left:-26px;top:7px;width:15px;height:15px;border-radius:50%;
  background:var(--ink-bg-2);border:2px solid var(--huohu-orange);
}
.timeline__dot--done{border-color:var(--archive-teal);background:rgba(47,191,155,.25)}
.timeline__dot--alert{border-color:var(--card-red);background:rgba(229,50,59,.25)}
.timeline__time{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;color:var(--mist)}
.timeline__title{margin-top:4px;font-size:17px;font-weight:700}
.timeline__body{margin-top:6px;font-size:14.5px;color:var(--mist);max-width:36em}

.expand{
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:rgba(27,31,42,.68);overflow:hidden;
}
.expand__summary{
  display:flex;align-items:center;gap:14px;
  padding:16px 20px;list-style:none;
  font-family:var(--font-head);font-weight:700;
  transition:background-color .18s ease;
}
.expand__summary::-webkit-details-marker{display:none}
.expand__summary::after{
  content:"";width:9px;height:9px;margin-left:auto;
  border-right:2px solid var(--huohu-orange);border-bottom:2px solid var(--huohu-orange);
  transform:rotate(45deg);transition:transform .22s ease;
}
.expand__summary:hover{background:rgba(42,51,70,.5)}
.expand[open] .expand__summary{background:rgba(255,106,26,.1)}
.expand[open] .expand__summary::after{transform:rotate(-135deg)}
.expand__body{padding:0 20px 20px;color:var(--mist);font-size:15px}
.expand[open] .expand__body{animation:expand-in .22s ease-out both}
@keyframes expand-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

.code-chip{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 14px;border:1px dashed rgba(255,106,26,.45);border-radius:10px;
  background:rgba(255,106,26,.08);color:var(--huohu-orange);
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.08em;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.code-chip:hover{background:rgba(255,106,26,.18)}
.code-chip__hint{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--mist)}
.code-chip.is-copied{border-style:solid;border-color:var(--archive-teal);color:var(--archive-teal);background:rgba(47,191,155,.12)}

.breadcrumb{margin:0 0 18px}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--mist)}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:rgba(166,179,201,.5)}
.breadcrumb__item a:hover{color:var(--huohu-orange)}

.prose{max-width:40em}
.prose p + p,.prose p + ul,.prose ul + p{margin-top:1em}
.prose ul{list-style:none;display:flex;flex-direction:column;gap:.5em}
.prose ul li{position:relative;padding-left:18px;color:var(--mist)}
.prose ul li::before{content:"";position:absolute;left:0;top:.7em;width:8px;height:2px;background:var(--huohu-orange)}

/* 图片容器基础规则（页面阶段放置占位图） */
.media{
  position:relative;display:block;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--slate);
}
.media__img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.media--square .media__img{aspect-ratio:1/1}
.media--wide .media__img{aspect-ratio:21/9}
.media--tall .media__img{aspect-ratio:4/5}
.media--duotone .media__img{filter:grayscale(1) contrast(1.08) sepia(.4) hue-rotate(-16deg) saturate(2.4)}
.media--halftone::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,106,26,.55) 1px,transparent 1px);
  background-size:6px 6px;mix-blend-mode:overlay;
}
.media__caption{
  display:block;margin-top:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;color:var(--mist);
}

/* ---------- 11. 显现动效 ---------- */
.has-js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.has-js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 12. 响应式 ---------- */
@media (max-width:1200px){
  .site-nav__link{font-size:13px;padding:8px 10px}
}

@media (max-width:979px){
  .header-inner{
    grid-template-columns:minmax(0,1fr) auto;
    align-items:center;
    padding:12px 18px 14px;gap:12px;
  }
  .header-left{flex-direction:row;align-items:center;flex-wrap:wrap;gap:12px}
  .brand__name{font-size:17px}
  .brand__sigil{width:32px;height:32px}
  .nav-toggle{display:inline-flex}

  .header-right{
    position:fixed;top:0;right:0;bottom:0;z-index:60;
    width:min(90vw,400px);
    padding:96px 22px 36px;gap:22px;
    align-items:stretch;
    overflow-y:auto;
    background:linear-gradient(180deg,#171B24,#101218 72%);
    border-left:1px solid var(--line-strong);
    box-shadow:-30px 0 60px -30px rgba(0,0,0,.9);
    transform:translateX(104%);
    transition:transform .3s cubic-bezier(.22,.8,.32,1);
  }
  .site-header[data-open="true"] .header-right{transform:translateX(0)}

  .nav-row{flex-direction:column;align-items:stretch;gap:10px}
  .nav-index{font-size:10px}
  .nav-index::after{width:100%;display:block;margin:8px 0 0}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:6px}
  .site-nav__link{
    display:block;padding:13px 16px;border-radius:var(--radius-s);
    border:1px solid var(--line);background:rgba(42,51,70,.32);font-size:15.5px;
  }
  .site-nav__link[aria-current="page"]{background:rgba(255,106,26,.18);border-color:rgba(255,106,26,.5)}
  .site-nav__link[aria-current="page"]::after{display:none}

  .utility-row{flex-direction:column;align-items:stretch}
  .finder{justify-content:space-between;padding:13px 16px;border-radius:var(--radius-s)}
  .finder:hover{transform:none}
  .btn--pulse{justify-content:center}

  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 26px}
  .footer-brand{grid-column:1 / -1}
  .footer-contact{grid-column:1 / -1}
  .footer-service{grid-column:1 / -1}

  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento__cell--xl{grid-column:span 2;grid-row:span 1}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--aside{grid-template-columns:1fr}
}

@media (max-width:640px){
  body{font-size:16px}
  .header-rail{font-size:10px;letter-spacing:.12em;gap:12px}
  .rail-item--mono{display:none}
  .footer-inner{grid-template-columns:1fr}
  .footer-legal{justify-content:flex-start}
  .bento{grid-template-columns:1fr}
  .bento__cell--m,.bento__cell--l,.bento__cell--xl{grid-column:span 1;grid-row:auto}
  .grid--2,.grid--3{grid-template-columns:1fr}
  .data-strip{grid-template-columns:minmax(0,1fr);gap:8px}
  .timerow{gap:10px}
}

/* ---------- 13. 减少动态 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .data-strip:hover,.finder:hover,.btn--pulse:hover{transform:none}
  .has-js [data-reveal]{opacity:1;transform:none}
  .scroll-progress{transition:none}
}