/* ==========================================================================
   完美体育看台 · 共享样式 /assets/site.css
   视觉原型：夜场玻璃层 + 看台阶梯栅格 + 纸面资料卡
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root{
  --night:#0B2420;
  --night-deep:#061412;
  --charcoal:#14181A;
  --cream:#F5EFE2;
  --cream-dim:#E6DCC8;
  --mint:#34E0C0;
  --mint-deep:#0E7F6C;
  --orange:#FF7A29;
  --brick:#8C2E28;
  --steel:#98A4A9;
  --lamp:#F2C14E;
  --ink:#241C16;

  --font-sans:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-narrow:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei Narrow","Arial Narrow",system-ui,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --wrap:1200px;
  --gap:20px;
  --radius:14px;
  --radius-sm:8px;
  --fold:20px;
  --header-h:62px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --hairline:rgba(152,164,169,.28);
}

@media (min-width:1000px){ :root{ --header-h:74px; } }

/* ---------- 2. Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video,picture{ max-width:100%; display:block; }
button,input,select,textarea{ font:inherit; color:inherit; }
a{ color:var(--mint-deep); text-decoration-thickness:1px; text-underline-offset:3px; }
a:hover{ color:var(--orange); }
ul,ol{ margin:0; padding:0; }
[hidden]{ display:none !important; }
[id]{ scroll-margin-top:calc(var(--header-h) + 20px); }

/* ---------- 3. 基础排版 ---------- */
h1,h2,h3,h4{
  margin:0 0 .55em;
  font-family:var(--font-narrow);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.015em;
}
h1{ font-size:clamp(34px,5.2vw,60px); }
h2{ font-size:clamp(25px,3.2vw,36px); }
h3{ font-size:clamp(19px,2.1vw,23px); font-weight:700; }
h4{ font-size:17px; font-weight:700; letter-spacing:0; }
p{ margin:0 0 1.15em; }
p:last-child{ margin-bottom:0; }

.num,.score__num,.bar__num{ font-family:var(--font-mono); font-variant-numeric:tabular-nums; }
.eyebrow{
  display:inline-block;
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--brick);
}
.index-num{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--steel);
}
.lede{ font-size:clamp(17px,1.9vw,20px); line-height:1.7; color:#43362c; }
.prose{ max-width:68ch; font-size:17px; line-height:1.85; }
.prose h2{ margin-top:1.6em; }
.prose h3{ margin-top:1.4em; }
.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;
}

/* ---------- 4. 焦点可见 ---------- */
:focus-visible{
  outline:2px solid var(--mint);
  outline-offset:2px;
  border-radius:6px;
  box-shadow:0 0 0 5px rgba(11,36,32,.42);
}

/* ---------- 5. 布局容器 ---------- */
.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 24px; }
.wrap--narrow{ max-width:820px; }

.site-main{ display:block; padding-top:calc(var(--header-h) + 16px); }
.site-main--flush{ padding-top:0; }

.section{ padding:clamp(48px,7vw,96px) 0; }
.section--paper{ background:var(--cream); color:var(--ink); }
.section--dark{ background:var(--night); color:var(--cream); }
.section--charcoal{ background:var(--charcoal); color:var(--cream); }
.section--lined{ border-top:1px solid var(--hairline); }
.section--dark h1,.section--dark h2,.section--dark h3,
.section--charcoal h1,.section--charcoal h2,.section--charcoal h3{ color:var(--cream); }
.section--dark .eyebrow,.section--charcoal .eyebrow{ color:var(--mint); }
.section--dark a,.section--charcoal a{ color:var(--mint); }
.section--dark .lede,.section--charcoal .lede{ color:rgba(245,239,226,.82); }

/* ---------- 6. 阶梯栅格 ---------- */
.grid{ display:grid; gap:var(--gap); grid-template-columns:1fr; }
@media (min-width:700px){
  .grid{ grid-template-columns:repeat(6,minmax(0,1fr)); }
  .span-2,.span-3,.span-4,.span-5,.span-6{ grid-column:span 3; }
  .span-7,.span-8,.span-9,.span-12{ grid-column:span 6; }
}
@media (min-width:1040px){
  .grid{ grid-template-columns:repeat(12,minmax(0,1fr)); gap:24px; }
  .span-2{ grid-column:span 2; }
  .span-3{ grid-column:span 3; }
  .span-4{ grid-column:span 4; }
  .span-5{ grid-column:span 5; }
  .span-6{ grid-column:span 6; }
  .span-7{ grid-column:span 7; }
  .span-8{ grid-column:span 8; }
  .span-9{ grid-column:span 9; }
  .span-12{ grid-column:span 12; }
  .grid--bento > .lift-1{ margin-top:28px; }
  .grid--bento > .lift-2{ margin-top:56px; }
}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:999px;
  font-family:var(--font-sans);
  font-size:15px; font-weight:600; letter-spacing:.02em;
  text-decoration:none; white-space:nowrap; cursor:pointer;
  transition:background-color .18s var(--ease), color .18s var(--ease),
             border-color .18s var(--ease), transform .18s var(--ease);
}
.btn--accent{ background:var(--orange); color:var(--night); }
.btn--accent:hover{ background:#FF9450; color:var(--night); transform:translateY(-1px); }
.btn--ghost{ background:transparent; border-color:rgba(245,239,226,.42); color:var(--cream); }
.btn--ghost:hover{ border-color:var(--mint); color:var(--mint); }
.btn--quiet{ background:transparent; border-color:rgba(36,28,22,.3); color:var(--ink); }
.btn--quiet:hover{ border-color:var(--orange); color:var(--brick); }

/* ---------- 8. 标签 / 卡片 ---------- */
.tag{
  display:inline-flex; align-items:center; gap:6px;
  padding:3px 10px;
  border:1px solid rgba(140,46,40,.35);
  border-radius:999px;
  background:rgba(140,46,40,.08);
  color:var(--brick);
  font-family:var(--font-mono);
  font-size:12px; letter-spacing:.05em;
}
.tag--season{ background:rgba(140,46,40,.12); }
.tag--live{
  border-color:rgba(52,224,192,.5);
  background:rgba(52,224,192,.12);
  color:var(--mint-deep);
}
.section--dark .tag,.section--charcoal .tag{
  border-color:rgba(52,224,192,.45); background:rgba(52,224,192,.1); color:var(--mint);
}

.card{
  position:relative;
  padding:22px;
  border:1px solid rgba(36,28,22,.12);
  border-radius:var(--radius-sm);
  background:var(--cream);
}
.card--glass{
  border-color:rgba(245,239,226,.24);
  background:rgba(245,239,226,.07);
  -webkit-backdrop-filter:blur(12px) saturate(1.15);
  backdrop-filter:blur(12px) saturate(1.15);
  color:var(--cream);
}
.card--dark{ background:var(--charcoal); border-color:rgba(152,164,169,.24); color:var(--cream); }
.card--fold::after{
  content:""; position:absolute; top:0; right:0; width:var(--fold); height:var(--fold);
  border-top-right-radius:var(--radius-sm);
  background:linear-gradient(225deg,transparent 48%,rgba(36,28,22,.18) 50%);
  pointer-events:none;
}
.card--dark.card--fold::after{ background:linear-gradient(225deg,transparent 48%,rgba(52,224,192,.28) 50%); }
.card__head{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:12px; }
.card__title{ margin:0; font-size:18px; font-weight:700; }
.card__meta{ font-family:var(--font-mono); font-size:12.5px; letter-spacing:.05em; color:var(--steel); }

/* ---------- 9. 数据件：记分牌 / 分布条 / 时间轴 ---------- */
.score{ display:flex; align-items:baseline; gap:12px; font-family:var(--font-mono); font-variant-numeric:tabular-nums; }
.score__num{ font-size:clamp(30px,5vw,54px); font-weight:700; line-height:1; color:var(--orange); letter-spacing:-.02em; }
.score__sep{ color:var(--steel); font-size:clamp(20px,3vw,32px); }
.score__team{ font-family:var(--font-sans); font-size:14px; color:var(--steel); }

.bars{ display:flex; flex-direction:column; gap:12px; }
.bar{ display:grid; grid-template-columns:72px minmax(0,1fr) 54px; align-items:center; gap:12px; }
.bar__label{ font-size:14px; color:inherit; opacity:.82; }
.bar__track{ height:10px; border-radius:999px; background:rgba(152,164,169,.24); overflow:hidden; }
.bar__fill{ display:block; height:100%; width:var(--w,0%); border-radius:999px; background:var(--orange); transition:width .45s var(--ease); }
.bar__fill--mint{ background:var(--mint); }
.bar__num{ text-align:right; font-size:14px; color:inherit; }

.timeline{ overflow-x:auto; padding-bottom:6px; -webkit-overflow-scrolling:touch; }
.timeline__track{ display:flex; gap:12px; min-width:max-content; }
.timeline__day{
  min-width:140px;
  padding:12px 14px 14px;
  border-top:2px solid rgba(152,164,169,.45);
  background:rgba(245,239,226,.05);
  border-radius:0 0 var(--radius-sm) var(--radius-sm);
}
.timeline__day[aria-current="true"]{ border-top-color:var(--lamp); background:rgba(242,193,78,.1); }

/* ---------- 10. 交互件：标签组 / 手风琴 / 锚点目录 ---------- */
.tabs{
  display:inline-flex; flex-wrap:wrap; gap:4px;
  padding:4px;
  border-radius:999px;
  background:rgba(11,36,32,.07);
}
.tab{
  padding:8px 16px;
  border:1px solid transparent;
  border-radius:999px;
  background:transparent;
  color:var(--ink);
  font-family:var(--font-mono);
  font-size:13px; letter-spacing:.05em;
  cursor:pointer;
  transition:background-color .18s var(--ease), color .18s var(--ease);
}
.tab:hover{ background:rgba(52,224,192,.16); }
.tab[aria-selected="true"]{ background:var(--night); color:var(--cream); }
.section--dark .tabs,.section--charcoal .tabs{ background:rgba(245,239,226,.09); }
.section--dark .tab,.section--charcoal .tab{ color:rgba(245,239,226,.78); }
.section--dark .tab[aria-selected="true"],.section--charcoal .tab[aria-selected="true"]{ background:var(--mint); color:var(--night); }

.faq{ border-top:1px solid rgba(36,28,22,.14); }
.faq__item{ border-bottom:1px solid rgba(36,28,22,.14); }
.faq__q{
  display:flex; align-items:flex-start; justify-content:space-between; gap:16px;
  padding:18px 2px;
  font-family:var(--font-narrow);
  font-size:clamp(17px,1.9vw,19px); font-weight:700;
  cursor:pointer; list-style:none;
}
.faq__q::-webkit-details-marker{ display:none; }
.faq__q::after{
  content:"+"; flex:0 0 auto;
  font-family:var(--font-mono); font-size:20px; line-height:1.2;
  color:var(--orange);
}
.faq__item[open] .faq__q::after{ content:"–"; }
.faq__a{ padding:0 2px 22px; max-width:70ch; color:#4A3E34; }
.section--dark .faq,.section--dark .faq__item{ border-color:rgba(152,164,169,.3); }
.section--dark .faq__a{ color:rgba(245,239,226,.8); }

.anchor-nav{ display:flex; flex-direction:column; gap:2px; list-style:none; }
.anchor-nav a{
  display:block; padding:8px 12px;
  border-left:2px solid var(--hairline);
  color:var(--steel); text-decoration:none;
  font-family:var(--font-mono); font-size:13px; letter-spacing:.04em;
  transition:color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}
.anchor-nav a:hover{ color:var(--mint-deep); border-left-color:var(--orange); }
.anchor-nav a.is-active{ color:var(--night); border-left-color:var(--mint); background:rgba(52,224,192,.1); }
.section--dark .anchor-nav a{ color:rgba(245,239,226,.6); }
.section--dark .anchor-nav a.is-active{ color:var(--mint); background:rgba(52,224,192,.1); }

/* ---------- 11. 面包屑 ---------- */
.crumbs{
  display:flex; flex-wrap:wrap; align-items:center; gap:8px;
  margin:0 0 22px; padding:0; list-style:none;
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:.06em;
  color:var(--steel);
}
.crumbs li{ display:inline-flex; align-items:center; gap:8px; }
.crumbs li::after{ content:"/"; color:rgba(152,164,169,.55); }
.crumbs li:last-child::after{ content:""; }
.crumbs a{ color:inherit; text-decoration:none; }
.crumbs a:hover{ color:var(--mint-deep); }
.crumbs [aria-current="page"]{ color:var(--ink); font-weight:600; }
.section--dark .crumbs{ color:rgba(245,239,226,.6); }
.section--dark .crumbs [aria-current="page"]{ color:var(--cream); }

/* ---------- 12. 图片容器 ---------- */
.media{ margin:0; }
.media__frame{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  background:var(--charcoal);
  aspect-ratio:16/9;
}
.media--tall .media__frame{ aspect-ratio:4/5; }
.media--square .media__frame{ aspect-ratio:1/1; }
.media__img{ width:100%; height:100%; object-fit:cover; }
.media__frame[data-label]::before{
  content:attr(data-label);
  position:absolute; inset:0;
  display:grid; place-items:center;
  padding:16px; text-align:center;
  font-family:var(--font-mono); font-size:12px; letter-spacing:.14em;
  color:rgba(152,164,169,.85);
  background-image:repeating-linear-gradient(135deg,rgba(152,164,169,.1) 0 8px,transparent 8px 16px);
}
.media__caption{
  margin-top:10px;
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:.04em;
  color:var(--steel);
}

/* ---------- 13. 动效 ---------- */
.js .reveal{ opacity:0; transform:translateY(18px); transition:opacity .55s var(--ease), transform .55s var(--ease); transition-delay:var(--d,0ms); }
.js .reveal.is-in{ opacity:1; transform:none; }

/* ---------- 14. 页头 ---------- */
.skip-link{
  position:fixed; top:10px; left:10px; z-index:200;
  padding:12px 18px;
  border-radius:999px;
  background:var(--mint); color:var(--night);
  font-family:var(--font-mono); font-size:13px; letter-spacing:.06em;
  text-decoration:none;
  transform:translateY(-220%);
  transition:transform .18s var(--ease);
}
.skip-link:focus{ transform:translateY(0); color:var(--night); }

.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(11,36,32,.66);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid rgba(152,164,169,.26);
  color:var(--cream);
  transition:background-color .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}
.site-header[data-scrolled]{
  background:var(--night);
  border-bottom-color:rgba(52,224,192,.34);
  box-shadow:0 12px 34px rgba(4,14,12,.5);
}
.site-header[data-overlay="full"]:not([data-scrolled]){
  background:transparent;
  border-bottom-color:transparent;
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
}
.site-header a{ color:var(--cream); text-decoration:none; }

.header-inner{
  display:flex; flex-wrap:wrap; align-items:center; gap:10px 18px;
  width:100%; max-width:var(--wrap); margin:0 auto;
  min-height:var(--header-h);
  padding:8px 24px;
}

.brand{ order:1; display:inline-flex; align-items:center; gap:12px; margin-right:auto; }
.brand__steps{ display:flex; flex-direction:column; gap:2px; width:22px; flex:0 0 auto; }
.brand__steps i{ display:block; height:4px; border-radius:1px; background:var(--mint); }
.brand__steps i:nth-child(1){ width:22px; opacity:.55; }
.brand__steps i:nth-child(2){ width:15px; background:var(--lamp); }
.brand__steps i:nth-child(3){ width:9px; background:var(--orange); }
.brand__text{ display:flex; flex-direction:column; line-height:1.15; }
.brand__name{
  font-family:var(--font-narrow); font-size:19px; font-weight:800; letter-spacing:-.01em;
  color:var(--cream);
}
.brand__sub{
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.1em;
  color:rgba(245,239,226,.62);
}

.header-status{
  order:2; display:none; align-items:center; gap:8px;
  margin:0;
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:.04em;
  color:rgba(245,239,226,.72);
}
.pulse-dot{
  flex:0 0 auto; width:8px; height:8px; border-radius:50%;
  background:var(--mint);
  animation:wp-pulse 2.4s var(--ease) infinite;
}
@keyframes wp-pulse{
  0%{ box-shadow:0 0 0 0 rgba(52,224,192,.55); }
  70%{ box-shadow:0 0 0 10px rgba(52,224,192,0); }
  100%{ box-shadow:0 0 0 0 rgba(52,224,192,0); }
}

.site-nav{
  order:3;
  flex-basis:100%;
  max-height:0;
  opacity:0;
  visibility:hidden;
  overflow:hidden;
  transition:max-height .3s var(--ease), opacity .2s var(--ease), visibility 0s linear .3s;
}
.site-nav[data-open]{
  max-height:min(72vh,560px);
  opacity:1;
  visibility:visible;
  overflow-y:auto;
  transition:max-height .3s var(--ease), opacity .2s var(--ease), visibility 0s;
}
.site-nav__list{ list-style:none; display:flex; flex-direction:column; }
.site-nav__list a{
  display:block;
  padding:13px 12px;
  border-bottom:1px solid rgba(152,164,169,.2);
  font-size:15px; font-weight:500; letter-spacing:.02em;
  transition:background-color .18s var(--ease), color .18s var(--ease);
}
.site-nav__list a:hover{ background:rgba(52,224,192,.14); color:var(--mint); }
.site-nav__list a[aria-current="page"]{
  color:var(--mint);
  background:rgba(52,224,192,.12);
  box-shadow:inset 3px 0 0 var(--mint);
}
.site-nav__cta{ width:100%; margin:14px 0 8px; }

.nav-toggle{
  order:4;
  display:inline-flex; align-items:center; gap:10px;
  padding:9px 15px;
  border:1px solid rgba(152,164,169,.42);
  border-radius:999px;
  background:rgba(245,239,226,.08);
  color:var(--cream);
  font-family:var(--font-mono); font-size:13px; font-weight:600; letter-spacing:.08em;
  cursor:pointer;
  transition:border-color .18s var(--ease), background-color .18s var(--ease);
}
.nav-toggle:hover{ border-color:var(--mint); background:rgba(52,224,192,.14); }
.nav-toggle__box{ position:relative; display:block; width:18px; height:12px; }
.nav-toggle__box i{
  position:absolute; left:0; right:0; height:2px; border-radius:2px;
  background:currentColor;
  transition:transform .22s var(--ease);
}
.nav-toggle__box i:first-child{ top:0; }
.nav-toggle__box i:last-child{ bottom:0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__box i:first-child{ transform:translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__box i:last-child{ transform:translateY(-5px) rotate(-45deg); }

.scroll-progress{
  position:absolute; left:0; right:0; bottom:-1px;
  height:2px; pointer-events:none;
}
.scroll-progress i{
  display:block; height:100%; width:0;
  background:linear-gradient(90deg,var(--mint),var(--lamp),var(--orange));
  transition:width .12s linear;
}

@media (min-width:1000px){
  .nav-toggle{ display:none; }
  .brand{ margin-right:0; }
  .site-nav{
    order:3;
    flex-basis:auto;
    display:flex; align-items:center; gap:6px;
    margin-left:auto;
    max-height:none; opacity:1; visibility:visible; overflow:visible;
    transition:none;
  }
  .site-nav__list{ flex-direction:row; align-items:center; gap:2px; }
  .site-nav__list a{
    padding:9px 13px;
    border-bottom:0;
    border-radius:999px;
    position:relative;
  }
  .site-nav__list a[aria-current="page"]{ background:rgba(52,224,192,.12); box-shadow:none; }
  .site-nav__list a[aria-current="page"]::after{
    content:""; position:absolute; left:13px; right:13px; bottom:3px;
    height:2px; border-radius:2px; background:var(--mint);
  }
  .site-nav__cta{ width:auto; margin:0 0 0 12px; }
}
@media (min-width:1240px){
  .header-status{ display:inline-flex; }
}

/* ---------- 15. 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--night-deep);
  color:var(--cream);
  border-top:1px solid rgba(152,164,169,.22);
}
.site-footer::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(58% 76% at 10% 0%, rgba(52,224,192,.11), transparent 68%),
    radial-gradient(46% 64% at 90% 8%, rgba(255,122,41,.09), transparent 70%);
}
.footer-terrace{
  height:12px;
  background-image:repeating-linear-gradient(90deg, rgba(52,224,192,.5) 0 2px, transparent 2px 13px);
  opacity:.7;
}
.footer-inner{
  position:relative;
  display:grid; gap:38px 34px;
  grid-template-columns:1fr;
  width:100%; max-width:var(--wrap); margin:0 auto;
  padding:56px 24px 34px;
}
@media (min-width:760px){
  .footer-inner{ grid-template-columns:minmax(0,1fr) minmax(0,1.7fr); }
}
@media (min-width:1040px){
  .footer-inner{ grid-template-columns:minmax(0,1.15fr) minmax(0,1.5fr) minmax(0,1fr); }
}

.footer-brand__name{
  margin:0 0 12px;
  font-family:var(--font-narrow); font-size:24px; font-weight:800; letter-spacing:-.01em;
  color:var(--cream);
}
.footer-brand__block{ margin:0 0 14px; font-size:15px; line-height:1.85; color:rgba(245,239,226,.72); }
.footer-region{
  margin:0;
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:.08em;
  color:var(--steel);
}

.footer-cols{ display:grid; gap:28px; grid-template-columns:repeat(2,minmax(0,1fr)); }
@media (min-width:520px){ .footer-cols{ grid-template-columns:repeat(3,minmax(0,1fr)); } }
.footer-col__title{
  margin:0 0 14px;
  font-family:var(--font-mono); font-size:12.5px; font-weight:600; letter-spacing:.14em;
  color:var(--mint);
}
.footer-col__list{ list-style:none; display:flex; flex-direction:column; gap:10px; }
.footer-col__list a{
  font-size:15px; color:rgba(245,239,226,.84);
  text-decoration:none;
  transition:color .18s var(--ease);
}
.footer-col__list a:hover{ color:var(--mint); text-decoration:underline; text-underline-offset:4px; }

.footer-contact__list{ list-style:none; display:flex; flex-direction:column; gap:12px; margin-bottom:16px; }
.footer-contact__item{ display:flex; flex-direction:column; gap:3px; }
.footer-contact__label{
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.12em;
  color:var(--steel);
}
.footer-contact__value{ font-size:15px; color:var(--cream); word-break:break-word; }
.footer-contact__note{ margin:0; font-size:13.5px; line-height:1.7; color:rgba(245,239,226,.6); }

.footer-bottom{
  position:relative;
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:10px 24px;
  width:100%; max-width:var(--wrap); margin:0 auto;
  padding:18px 24px 26px;
  border-top:1px solid rgba(152,164,169,.22);
}
.footer-legal{
  margin:0;
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:.04em;
  color:rgba(245,239,226,.68);
}
.footer-legal--muted{ color:rgba(152,164,169,.85); }
.footer-icp{ color:var(--lamp); }

/* ---------- 16. 回到顶部 ---------- */
.to-top{
  position:fixed; right:20px; bottom:20px; z-index:90;
  display:inline-flex; align-items:center; gap:8px;
  padding:11px 16px;
  border:1px solid rgba(52,224,192,.45);
  border-radius:999px;
  background:rgba(11,36,32,.88);
  color:var(--cream);
  font-family:var(--font-mono); font-size:12.5px; font-weight:600; letter-spacing:.08em;
  cursor:pointer;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  transition:border-color .18s var(--ease), transform .18s var(--ease);
}
.to-top:hover{ border-color:var(--orange); transform:translateY(-2px); }

/* ---------- 17. 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;
    transition-delay:0ms !important;
  }
  .js .reveal{ opacity:1; transform:none; }
  .pulse-dot{ animation:none; box-shadow:0 0 0 4px rgba(52,224,192,.22); }
}