/* ==========================================================================
   神殿棋牌 · 中国站赛季内容库  /assets/site.css
   共享层：变量 / 重置 / 中文排版 / 头部 / 页脚 / 通用组件
   ========================================================================== */

:root{
  --ink:#0B0C0E;
  --ink-2:#16181C;
  --slate:#27313A;
  --gold:#B8912F;
  --gold-bright:#E3C16B;
  --gold-mist:#6E5A2E;
  --cinnabar:#B23A2E;
  --cinnabar-lit:#D2604F;
  --jade:#2E6B5E;
  --jade-lit:#6FAE9B;
  --ivory:#F3EDE1;
  --sand:#D8CBB3;

  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-body:"Noto Sans SC","Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,"Courier New",monospace;

  --shell:1240px;
  --gutter:clamp(18px,4vw,56px);
  --cut:14px;
  --cut-sm:9px;
  --line:rgba(110,90,46,.45);
  --line-soft:rgba(110,90,46,.24);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{
  outline:2px solid var(--gold-bright);
  outline-offset:3px;
  border-radius:2px;
}
#main-content:focus-visible{outline:2px solid var(--gold-bright);outline-offset:-4px}

/* ---------- 基底与中文排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(120% 80% at 84% -12%, rgba(184,145,47,.13), transparent 58%),
    radial-gradient(90% 60% at 0% 102%, rgba(39,49,58,.55), transparent 62%),
    repeating-linear-gradient(135deg, rgba(184,145,47,.030) 0 1px, transparent 1px 22px);
  background-attachment:fixed;
  color:var(--ivory);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.24;
  letter-spacing:-.01em;
  color:var(--ivory);
}
h1{font-size:clamp(32px,4.4vw,52px);font-weight:700}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:clamp(18px,1.6vw,22px)}
p{max-width:70ch}
strong{color:var(--gold-bright);font-weight:600}
::selection{background:rgba(184,145,47,.34);color:var(--ivory)}

/* ---------- 布局工具 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(48px,6vw,96px)}
.section--tight{padding-block:clamp(28px,3.4vw,52px)}
.grid{display:grid;gap:clamp(18px,2.4vw,32px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr)}
@media (max-width:900px){
  .grid--2,.grid--3,.grid--split{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 排版工具 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.26em;
  color:var(--gold);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold)}
.lede{font-size:clamp(15px,1.15vw,17px);color:var(--sand);max-width:62ch}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.vertical-note{
  writing-mode:vertical-rl;text-orientation:mixed;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.34em;
  color:var(--gold-mist);
}
.rule{height:1px;border:0;margin-block:clamp(28px,4vw,48px);
  background:linear-gradient(90deg,var(--gold-mist),rgba(110,90,46,.14) 55%,transparent)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;
  font-family:var(--font-body);font-size:14.5px;font-weight:500;letter-spacing:.1em;
  border:1px solid transparent;
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
  transition:color .22s var(--ease),background-color .22s var(--ease),
             border-color .22s var(--ease),transform .22s var(--ease);
}
.btn--gold{background:linear-gradient(135deg,var(--gold),#96731F);color:#0B0C0E;font-weight:600}
.btn--gold:hover{background:linear-gradient(135deg,var(--gold-bright),var(--gold));transform:translateY(-1px)}
.btn--line{border-color:rgba(184,145,47,.7);color:var(--gold-bright);background:rgba(184,145,47,.07)}
.btn--line:hover{border-color:var(--gold-bright);background:rgba(184,145,47,.16);transform:translateY(-1px)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:3px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--sand);border:1px solid var(--line);background:rgba(110,90,46,.12);
}
.tag--jade{color:var(--jade-lit);border-color:rgba(46,107,94,.7);background:rgba(46,107,94,.14)}
.tag--cinnabar{color:var(--cinnabar-lit);border-color:rgba(178,58,46,.7);background:rgba(178,58,46,.14)}

/* ---------- 切角碑面板 ---------- */
.panel{
  position:relative;
  padding:clamp(20px,3vw,36px);
  background:linear-gradient(160deg,var(--ink-2),var(--ink) 72%);
  border:1px solid var(--line);
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
}
.panel--gold{border-color:rgba(184,145,47,.62);box-shadow:inset 0 0 0 1px rgba(184,145,47,.12)}
.panel--jade{border-color:rgba(46,107,94,.6)}

/* ---------- 图片容器基础规则 ---------- */
.media-frame{
  position:relative;display:block;margin:0;overflow:hidden;
  aspect-ratio:16/10;
  background:
    linear-gradient(150deg,var(--slate),var(--ink-2) 66%),
    repeating-linear-gradient(45deg, rgba(184,145,47,.07) 0 1px, transparent 1px 16px);
  border:1px solid var(--line);
  clip-path:polygon(18px 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%,0 18px);
}
.media-frame::after{
  content:"";position:absolute;inset:8px;
  border:1px solid rgba(184,145,47,.18);
  pointer-events:none;
}
.media-frame__img{width:100%;height:100%;object-fit:cover;filter:saturate(.85) contrast(1.06)}
.media-frame__label{
  position:absolute;left:14px;bottom:14px;z-index:2;
  padding:4px 9px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--gold-bright);background:rgba(11,12,14,.66);
  border-left:2px solid var(--gold);
}
.media-frame__caption{margin-top:10px;font-size:13px;color:rgba(216,203,179,.75)}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}

/* ---------- 面包屑 ---------- */
.crumbs{padding-block:10px 0}
.crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.5px;color:rgba(216,203,179,.7)}
.crumbs__item{display:inline-flex;align-items:center;gap:8px}
.crumbs__item + .crumbs__item::before{content:"／";color:var(--gold-mist)}
.crumbs__link{color:var(--sand);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.crumbs__link:hover{color:var(--gold-bright);border-bottom-color:rgba(227,193,107,.6)}
.crumbs__current{color:var(--gold-bright);font-family:var(--font-mono);letter-spacing:.06em}

/* ==========================================================================
   头部：签条 + 山门匾额
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:70;
  background:var(--ink);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;bottom:-1px;height:1px;
  width:min(40%,440px);
  background:linear-gradient(90deg,var(--gold),rgba(184,145,47,0));
  pointer-events:none;
}
.site-header[data-scrolled] .utility-bar{max-height:0;opacity:0;border-bottom-color:transparent}

/* 跳转链接 */
.skip-link{
  position:absolute;left:14px;top:8px;z-index:200;
  padding:10px 18px;
  background:var(--gold-bright);color:#0B0C0E;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  transform:translateY(-180%);
  transition:transform .2s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:none}

/* 滚动进度 */
.scroll-progress{
  position:absolute;left:0;right:0;top:0;height:2px;
  background:rgba(110,90,46,.22);
  pointer-events:none;
}
.scroll-progress__bar{
  display:block;height:100%;width:100%;
  background:linear-gradient(90deg,var(--gold),var(--gold-bright));
  transform:scaleX(0);transform-origin:0 50%;
}

/* 顶部签条 */
.utility-bar{
  max-height:80px;opacity:1;overflow:hidden;
  border-bottom:1px solid var(--line-soft);
  transition:max-height .34s var(--ease),opacity .24s var(--ease),border-color .24s var(--ease);
}
.utility-bar__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:34px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;
  color:var(--sand);
}
.utility-bar__season,
.utility-bar__refresh{display:flex;align-items:center;gap:9px;max-width:none}
.utility-bar__season .mono{color:var(--gold-bright)}
.utility-bar__refresh .mono{color:var(--gold)}
.utility-bar__dot{
  width:6px;height:6px;flex:0 0 auto;
  background:var(--cinnabar);transform:rotate(45deg);
  box-shadow:0 0 0 3px rgba(178,58,46,.18);
}

/* 匾额区 */
.masthead{
  display:flex;align-items:center;justify-content:space-between;
  gap:clamp(16px,3vw,44px);
  padding-block:clamp(12px,1.6vw,18px);
}

/* 品牌印章 */
.brand{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.brand__seal{
  position:relative;width:46px;height:46px;flex:0 0 auto;
  display:grid;place-items:center;
  border:1px solid rgba(184,145,47,.85);
  background:linear-gradient(150deg, rgba(184,145,47,.20), rgba(11,12,14,0) 64%);
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
}
.brand__seal::before{
  content:"";position:absolute;inset:5px;
  border:1px solid rgba(110,90,46,.72);
}
.brand__seal-ring{
  position:relative;width:18px;height:18px;
  border:1px solid var(--gold-bright);border-radius:50%;
}
.brand__seal-ring::after{
  content:"";position:absolute;inset:6px;border-radius:50%;
  background:var(--gold-bright);opacity:.85;
}
.brand__text{display:flex;flex-direction:column;gap:3px}
.brand__name{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(20px,2vw,25px);letter-spacing:.14em;line-height:1.1;
  color:var(--ivory);
}
.brand__note{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;
  color:var(--gold);
}

/* 移动端按钮 */
.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:9px 14px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.22em;
  color:var(--gold-bright);
  border:1px solid rgba(184,145,47,.6);
  background:rgba(184,145,47,.05);
  clip-path:polygon(var(--cut-sm) 0,100% 0,100% calc(100% - var(--cut-sm)),calc(100% - var(--cut-sm)) 100%,0 100%,0 var(--cut-sm));
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle__bars{
  position:relative;display:block;width:16px;height:10px;
  border-top:1px solid currentColor;border-bottom:1px solid currentColor;
}
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;right:0;top:50%;height:1px;
  background:currentColor;transform:translateY(-50%);
  transition:transform .22s var(--ease);
}
.site-header[data-open] .nav-toggle{border-color:var(--gold-bright);background:rgba(184,145,47,.20);color:#FFF3D4}
.site-header[data-open] .nav-toggle__bars::after{transform:translateY(-50%) rotate(45deg)}

/* 主导航 */
.primary-nav{display:flex;align-items:center;gap:clamp(10px,1.6vw,24px)}
.primary-nav__list{display:flex;align-items:center;gap:clamp(2px,.8vw,10px)}
.primary-nav__item{display:block}
.primary-nav__link{
  position:relative;
  display:inline-flex;align-items:baseline;gap:6px;
  padding:9px 10px 10px;
  font-size:15px;letter-spacing:.06em;color:var(--sand);
  transition:color .2s var(--ease);
}
.primary-nav__link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:3px;height:1px;
  background:var(--gold-bright);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .26s var(--ease);
}
.primary-nav__link:hover{color:var(--gold-bright)}
.primary-nav__link:hover::after{transform:scaleX(1)}
.primary-nav__link[aria-current="page"]{color:var(--gold-bright)}
.primary-nav__link[aria-current="page"]::after{background:var(--gold);transform:scaleX(1)}
.primary-nav__idx{
  font-family:var(--font-mono);font-size:10px;letter-spacing:0;
  color:var(--gold-mist);transform:translateY(-.55em);
  transition:color .2s var(--ease);
}
.primary-nav__link:hover .primary-nav__idx,
.primary-nav__link[aria-current="page"] .primary-nav__idx{color:var(--gold)}

/* 检索门 */
.nav-search{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 18px;
  font-size:13.5px;letter-spacing:.14em;
  color:var(--gold-bright);
  border:1px solid rgba(184,145,47,.75);
  background:linear-gradient(135deg, rgba(184,145,47,.22), rgba(184,145,47,.04));
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);
}
.nav-search:hover{color:#FFF6DF;border-color:var(--gold-bright);background:linear-gradient(135deg, rgba(227,193,107,.34), rgba(184,145,47,.10))}
.nav-search__glyph{
  position:relative;width:11px;height:11px;flex:0 0 auto;
  border:1px solid currentColor;border-radius:50%;
}
.nav-search__glyph::after{
  content:"";position:absolute;right:-4px;bottom:-3px;
  width:6px;height:1px;background:currentColor;transform:rotate(45deg);
}

/* ==========================================================================
   页脚：三级台阶
   ========================================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(40px,6vw,96px);
  background:linear-gradient(180deg,var(--ink-2),var(--ink) 88%);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--gold) 0 96px, rgba(110,90,46,.45) 96px 220px, rgba(110,90,46,0) 220px);
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(240px,1fr) 2.1fr;
  gap:clamp(28px,4vw,64px);
  padding-block:clamp(40px,6vw,76px);
}
.footer-brand{display:block}
.brand--footer .brand__seal{width:52px;height:52px}
.brand--footer .brand__name{font-size:clamp(22px,2.4vw,28px);letter-spacing:.16em}
.footer-brand__line{
  margin-top:20px;max-width:34ch;
  font-size:14px;line-height:1.85;color:rgba(216,203,179,.82);
}
.footer-body{display:block;min-width:0}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
}
.footer-col__title{
  display:flex;align-items:center;gap:9px;
  margin-bottom:14px;
  font-family:var(--font-display);font-size:14px;font-weight:600;
  letter-spacing:.18em;color:var(--gold);
}
.footer-col__title::before{
  content:"";width:7px;height:7px;flex:0 0 auto;
  background:var(--gold);transform:rotate(45deg);opacity:.85;
}
.footer-col__list li + li{margin-top:2px}
.footer-col__link{
  display:inline-block;padding:5px 0;
  font-size:14.5px;color:var(--sand);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col__link:hover{color:var(--gold-bright);transform:translateX(4px)}

.footer-contact{
  margin-top:clamp(24px,3vw,40px);
  padding-top:clamp(20px,2.6vw,30px);
  border-top:1px solid var(--line);
}
.footer-contact__title{
  display:flex;align-items:center;gap:9px;
  margin-bottom:8px;
  font-family:var(--font-display);font-size:14px;font-weight:600;
  letter-spacing:.18em;color:var(--gold);
}
.footer-contact__title::before{
  content:"";width:7px;height:7px;flex:0 0 auto;
  background:var(--gold);transform:rotate(45deg);opacity:.85;
}
.footer-contact__list{max-width:100%}
.footer-contact__row{
  display:grid;grid-template-columns:88px minmax(0,1fr) auto;
  align-items:center;gap:12px;
  padding:10px 0;
  border-bottom:1px solid var(--line-soft);
}
.footer-contact__row--wide{grid-template-columns:88px minmax(0,1fr)}
.footer-contact__label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  color:var(--gold-mist);
}
.footer-contact__value{font-size:14px;color:var(--ivory);overflow-wrap:anywhere}
.footer-contact__note{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-top:16px;max-width:78ch;
  font-size:12.5px;line-height:1.8;color:rgba(216,203,179,.68);
}
.footer-contact__inline{
  color:var(--gold-bright);
  border-bottom:1px solid rgba(227,193,107,.45);
  padding-bottom:1px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-contact__inline:hover{color:#FFF6DF;border-bottom-color:var(--gold-bright)}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 28px;
  padding-block:22px 36px;
  border-top:1px solid var(--line-soft);
  font-size:12.5px;color:rgba(216,203,179,.6);
}
.footer-bottom__icp{color:var(--sand);letter-spacing:.06em}
.footer-bottom__closing{letter-spacing:.12em}
.footer-bottom__years{color:var(--gold-mist)}

/* 复制按钮 */
.copy-btn{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;
  color:var(--gold);
  border:1px solid rgba(110,90,46,.62);
  clip-path:polygon(var(--cut-sm) 0,100% 0,100% calc(100% - var(--cut-sm)),calc(100% - var(--cut-sm)) 100%,0 100%,0 var(--cut-sm));
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.copy-btn:hover{color:var(--gold-bright);border-color:var(--gold-bright);background:rgba(184,145,47,.12)}
.copy-btn[data-copied="true"]{color:var(--jade-lit);border-color:rgba(46,107,94,.85);background:rgba(46,107,94,.18)}
.copy-btn[data-copied="false"]{color:var(--cinnabar-lit);border-color:rgba(178,58,46,.8)}

/* 服务状态 */
.service-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:4px 11px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--jade-lit);
  border:1px solid rgba(46,107,94,.7);
  background:rgba(46,107,94,.14);
  clip-path:polygon(var(--cut-sm) 0,100% 0,100% calc(100% - var(--cut-sm)),calc(100% - var(--cut-sm)) 100%,0 100%,0 var(--cut-sm));
}
.service-chip__dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto}
.service-chip[data-state="closed"]{
  color:var(--sand);
  border-color:rgba(110,90,46,.62);
  background:rgba(110,90,46,.16);
}

/* 返回顶部 */
.to-top{
  position:fixed;right:clamp(14px,2vw,28px);bottom:clamp(14px,2vw,28px);z-index:65;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 16px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;
  color:var(--gold-bright);
  background:rgba(22,24,28,.94);
  border:1px solid rgba(184,145,47,.6);
  clip-path:polygon(var(--cut-sm) 0,100% 0,100% calc(100% - var(--cut-sm)),calc(100% - var(--cut-sm)) 100%,0 100%,0 var(--cut-sm));
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease),border-color .2s var(--ease);
}
.to-top[data-visible]{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{border-color:var(--gold-bright)}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1079px){
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:absolute;left:0;right:0;top:100%;z-index:80;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:6px var(--gutter) 24px;
    max-height:calc(100vh - 96px);overflow:auto;
    background:var(--ink-2);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 30px 60px rgba(0,0,0,.64);
  }
  .site-header[data-open] .primary-nav{display:flex}
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .primary-nav__item{border-bottom:1px solid var(--line-soft)}
  .primary-nav__link{
    display:flex;align-items:center;justify-content:flex-start;gap:12px;
    padding:15px 2px;font-size:16px;
  }
  .primary-nav__link::after{display:none}
  .primary-nav__idx{font-size:11px;transform:none;color:var(--gold-mist)}
  .nav-search{margin-top:18px;justify-content:center;padding:14px 18px;font-size:14px}
  .utility-bar__inner{font-size:10.5px;letter-spacing:.04em;min-height:30px}
  .masthead{padding-block:12px}
  .brand__seal{width:40px;height:40px}
}
@media (max-width:980px){
  .footer-top{grid-template-columns:minmax(0,1fr)}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  body{font-size:16px}
  .footer-cols{grid-template-columns:minmax(0,1fr);gap:22px}
  .footer-contact__row{grid-template-columns:minmax(0,1fr) auto;gap:4px 12px;padding:12px 0}
  .footer-contact__label{grid-column:1 / -1}
  .footer-contact__row--wide{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{padding:10px 13px;font-size:10.5px;letter-spacing:.1em}
  .utility-bar__refresh{display:none}
}

/* ==========================================================================
   动效偏好
   ========================================================================== */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .nav-search:hover,.btn:hover,.footer-col__link:hover{transform:none}
}