/* ============================================================
   易丰娱乐汇 · /assets/site.css
   共享层：reset / 变量 / 中文排版 / 页头 / 页脚 / 基础组件
   ============================================================ */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;min-height:100%}
img,svg,video{display:block;max-width:100%}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
table{border-collapse:collapse;width:100%}

/* ---------- 变量 ---------- */
:root{
  --ink:#0B1220;
  --ink-2:#0F1A2E;
  --ink-3:#16233C;
  --gold:#C9A24A;
  --gold-hi:#E0B85C;
  --cyan:#36E0D8;
  --cyan-soft:#8FF5EE;
  --coral:#FF7A59;
  --coral-soft:#FFB09A;
  --paper:#F5F1E8;
  --slate:#3A4A63;

  --text:#DCE4F2;
  --text-dim:#9AAAC4;
  --line:rgba(58,74,99,.62);
  --line-soft:rgba(58,74,99,.34);

  --wrap:1240px;
  --rail:132px;
  --radius:4px;
  --radius-sm:2px;

  --font-head:'Noto Sans SC','HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans GB',system-ui,sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans GB',system-ui,sans-serif;
  --font-mono:'JetBrains Mono','Roboto Mono','SFMono-Regular','Menlo','Consolas',monospace;

  --shadow-card:0 26px 52px -34px rgba(0,0,0,.95);
}

/* ---------- 基底与中文排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--ink);
  background-image:
    radial-gradient(920px 540px at 10% -10%,rgba(54,224,216,.10),transparent 62%),
    radial-gradient(780px 500px at 92% 2%,rgba(201,162,74,.13),transparent 64%),
    radial-gradient(700px 460px at 50% 108%,rgba(255,122,89,.07),transparent 60%),
    linear-gradient(180deg,#0B1220 0%,#0B1220 58%,#0F1A2E 100%);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{
  font-family:var(--font-head);
  font-weight:800;
  line-height:1.16;
  letter-spacing:.01em;
  color:#EDF1F9;
}
p{overflow-wrap:break-word}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:var(--radius-sm)}
::selection{background:rgba(54,224,216,.3);color:#06101F}

/* ---------- 通用工具 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:clamp(16px,4vw,40px);padding-right:clamp(16px,4vw,40px)}
.mono{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}

.skip-link{
  position:absolute;left:16px;top:-70px;z-index:220;
  padding:10px 18px;background:var(--paper);color:#0B1220;
  font-family:var(--font-head);font-weight:700;font-size:14px;
  border:2px solid var(--cyan);border-radius:var(--radius-sm);
  transition:top .2s ease;
}
.skip-link:focus{top:12px}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(11,18,32,.93);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}

.header-strip{
  border-bottom:1px dashed var(--line-soft);
  background:linear-gradient(90deg,rgba(54,224,216,.08),rgba(201,162,74,.09) 52%,rgba(255,122,89,.07));
}
.strip-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.strip-label{color:var(--gold-hi)}
.strip-list{display:flex;gap:18px;flex-wrap:wrap}
.strip-item{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--text-dim)}
.strip-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(201,162,74,.16)}
.strip-dot--cyan{background:var(--cyan);box-shadow:0 0 0 3px rgba(54,224,216,.16)}
.strip-dot--coral{background:var(--coral);box-shadow:0 0 0 3px rgba(255,122,89,.16)}
.strip-note{margin-left:auto;color:var(--cyan-soft);white-space:nowrap}

.masthead{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
  padding-top:16px;padding-bottom:12px;
  transition:padding .24s ease;
}
.masthead-aside{margin:0;font-size:12px;color:var(--text-dim);display:flex;align-items:center;gap:10px}
.masthead-aside--right{justify-content:flex-end}
.masthead-strong{font-family:var(--font-mono);font-size:14px;letter-spacing:.06em;color:var(--gold-hi)}

.brand{display:inline-flex;align-items:center;gap:14px;justify-self:center}
.brand-mark{
  flex:0 0 auto;width:44px;height:44px;display:grid;place-items:center;
  font-family:var(--font-head);font-weight:900;font-size:22px;color:#0B1220;
  background:linear-gradient(140deg,var(--gold-hi),var(--gold));
  border:1px solid rgba(224,184,92,.5);border-radius:3px;
  box-shadow:0 12px 26px -16px rgba(201,162,74,.95);
  transition:width .24s ease,height .24s ease,font-size .24s ease;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:var(--font-head);font-weight:900;font-size:clamp(21px,2.4vw,28px);letter-spacing:.12em;color:#F2F5FC}
.brand-sub{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--text-dim);margin-top:4px}

.main-nav{position:relative;border-top:1px solid var(--line-soft)}
.nav-inner{display:flex;align-items:center;justify-content:center;gap:24px}
.nav-list{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:clamp(6px,2vw,26px);counter-reset:nav}
.nav-item{counter-increment:nav;display:flex}
.nav-link{
  position:relative;display:inline-block;padding:13px 3px;
  font-family:var(--font-head);font-weight:600;font-size:15px;color:var(--text);
  transition:color .22s ease;
}
.nav-link::before{
  content:counter(nav,decimal-leading-zero);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;
  color:var(--slate);margin-right:8px;transition:color .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--gold-hi));
  transform:scaleX(0);transform-origin:left;
  transition:transform .26s ease;
}
.nav-link:hover{color:var(--gold-hi)}
.nav-link:hover::before,.nav-link:focus-visible::before{color:var(--cyan)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--gold-hi)}
.nav-link[aria-current="page"]::before{color:var(--cyan)}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}

.nav-foot{display:none}
.nav-foot-label{color:var(--cyan-soft)}

.nav-toggle{
  display:none;position:absolute;top:12px;right:clamp(16px,4vw,40px);
  align-items:center;gap:10px;padding:9px 14px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--gold-hi);
  border:1px solid var(--gold);background:rgba(11,18,32,.75);border-radius:var(--radius-sm);
  cursor:pointer;transition:background .2s ease,color .2s ease;
}
.nav-toggle:hover{background:rgba(201,162,74,.14)}
.nav-toggle-bars{position:relative;width:18px;height:2px;background:currentColor;transition:background .2s ease}
.nav-toggle-bars::before,.nav-toggle-bars::after{content:"";position:absolute;left:0;top:0;width:18px;height:2px;background:currentColor;transition:transform .26s ease}
.nav-toggle-bars::before{transform:translateY(-6px)}
.nav-toggle-bars::after{transform:translateY(6px)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:rotate(-45deg)}

.scroll-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(58,74,99,.35);overflow:hidden;pointer-events:none}
.scroll-progress-bar{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--cyan-soft) 32%,var(--gold-hi));transition:width .12s linear}

.site-header[data-scrolled] .header-strip{display:none}
.site-header[data-scrolled] .masthead{padding-top:8px;padding-bottom:6px}
.site-header[data-scrolled] .brand-sub{display:none}
.site-header[data-scrolled] .brand-mark{width:36px;height:36px;font-size:18px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:0;color:var(--text-dim);
  background:linear-gradient(180deg,#0B1220 0%,#0F1A2E 48%,#0B1220 100%);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--cyan) 46%,var(--coral));
}
.footer-top{
  display:grid;gap:clamp(28px,4vw,56px);
  padding-top:clamp(40px,6vw,72px);padding-bottom:clamp(26px,4vw,42px);
}
.brand--footer{justify-self:start}
.footer-desc{margin-top:16px;max-width:34em;font-size:15px;line-height:1.85;color:var(--text-dim)}
.footer-metrics{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:22px}
.metric{display:flex;flex-direction:column;gap:2px;padding-left:12px;border-left:1px solid var(--gold)}
.metric-value{font-size:20px;font-weight:700;letter-spacing:.06em;color:var(--gold-hi)}
.metric-label{font-size:12px;letter-spacing:.06em;color:var(--text-dim)}
.footer-grid{display:grid;gap:clamp(24px,3vw,40px);grid-template-columns:1fr}
.footer-col-title{
  font-family:var(--font-mono);font-weight:400;font-size:12px;letter-spacing:.18em;
  color:var(--gold-hi);margin-bottom:14px;
}
.footer-list{display:grid;gap:10px}
.footer-link{
  display:inline-flex;align-items:center;gap:9px;font-size:15px;color:var(--text);
  transition:color .2s ease,transform .2s ease;
}
.footer-link::before{content:"";width:5px;height:5px;border:1px solid var(--slate);transform:rotate(45deg);transition:border-color .2s ease,background .2s ease}
.footer-link:hover{color:var(--cyan)}
.footer-link:hover::before{border-color:var(--cyan);background:var(--cyan)}
.contact-list{display:grid;gap:12px}
.contact-line{display:grid;grid-template-columns:78px minmax(0,1fr);gap:12px;align-items:start;font-size:14px}
.contact-key{padding-top:4px;font-size:11px;letter-spacing:.1em;color:var(--slate)}
.contact-value{color:var(--text);overflow-wrap:anywhere}
.footer-note{padding-bottom:clamp(22px,3vw,32px)}
.footer-note p{padding-left:12px;border-left:2px solid var(--cyan);font-size:13px;color:var(--text-dim)}
.footer-bottom{border-top:1px solid var(--line-soft);background:rgba(11,18,32,.72)}
.footer-bottom-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  padding-top:16px;padding-bottom:16px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
}
.footer-copy{color:var(--text-dim)}
.footer-icp{color:var(--slate)}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;
  font-family:var(--font-head);font-weight:700;font-size:14px;letter-spacing:.05em;
  color:var(--gold-hi);background:transparent;border:1px solid var(--gold);
  border-radius:var(--radius-sm);cursor:pointer;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px -24px rgba(201,162,74,.9)}
.btn--gold{background:var(--gold);border-color:var(--gold);color:#0B1220}
.btn--gold:hover{background:var(--gold-hi);border-color:var(--gold-hi)}
.btn--ghost{background:rgba(201,162,74,.08)}
.btn--cyan{border-color:var(--cyan);color:var(--cyan-soft);background:rgba(54,224,216,.08)}
.btn--quiet{border-color:var(--line);color:var(--text-dim)}
.btn--quiet:hover{color:var(--text);border-color:var(--cyan-soft)}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 面包屑 ---------- */
.breadcrumbs{padding-top:16px;padding-bottom:16px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--slate)}
.breadcrumbs-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs-item{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs-item + .breadcrumbs-item::before{content:"/";color:var(--line)}
.breadcrumbs-link{color:var(--text-dim);transition:color .2s ease}
.breadcrumbs-link:hover{color:var(--cyan)}
.breadcrumbs-current{color:var(--gold-hi)}

/* ---------- 分区与标题 ---------- */
.section{padding-top:clamp(48px,7vw,96px);padding-bottom:clamp(48px,7vw,96px)}
.section--tight{padding-top:clamp(28px,4vw,56px);padding-bottom:clamp(28px,4vw,56px)}
.section-head{display:grid;gap:12px;max-width:760px;margin-bottom:clamp(24px,3vw,40px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--cyan)}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan)}
.display-xl{font-size:clamp(38px,7vw,84px);font-weight:900;line-height:1.03;letter-spacing:-.01em}
.display-l{font-size:clamp(28px,4.2vw,54px);font-weight:900;line-height:1.1}
.lede{font-size:clamp(16px,1.5vw,19px);line-height:1.85;color:var(--text-dim);max-width:62ch}

/* ---------- 栅格 ---------- */
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.split{display:grid;gap:clamp(20px,3vw,48px)}
.with-rail{display:grid;gap:clamp(22px,3vw,44px)}
@media (min-width:900px){
  .split--5-7{grid-template-columns:5fr 7fr}
  .split--7-5{grid-template-columns:7fr 5fr}
  .split--3-9{grid-template-columns:3fr 9fr}
}
@media (min-width:1100px){
  .with-rail{grid-template-columns:var(--rail) minmax(0,1fr)}
}

/* ---------- 侧边导览轨道 ---------- */
.rail{align-self:start}
@media (min-width:1100px){.rail{position:sticky;top:120px}}
.rail-title{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--gold-hi);margin-bottom:12px}
.rail-list{display:flex;flex-wrap:wrap;gap:8px}
@media (min-width:1100px){
  .rail-list{flex-direction:column;gap:2px;border-left:1px solid var(--line-soft)}
}
.rail-link{display:block;padding:8px 10px;font-size:14px;color:var(--text-dim);transition:color .2s ease,box-shadow .2s ease}
.rail-link:hover{color:var(--cyan)}
.rail-link[aria-current="true"]{color:var(--gold-hi);box-shadow:inset 2px 0 0 var(--gold-hi)}

/* ---------- 卡片 / 档案 / 标签 ---------- */
.card{
  position:relative;display:block;padding:clamp(18px,2.2vw,28px);
  background:linear-gradient(165deg,rgba(22,35,60,.92),rgba(15,26,46,.94));
  border:1px solid var(--line-soft);border-radius:var(--radius);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card-hover:hover,.card-hover:focus-within{transform:translateY(-2px);border-color:rgba(201,162,74,.7);box-shadow:var(--shadow-card)}
.card--paper{background:var(--paper);border-color:rgba(201,162,74,.55);color:#101B2E}
.card--paper .card-title{color:#0B1220}
.card--paper .card-body{color:#3A4A63}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.card-title{font-size:clamp(18px,1.8vw,22px);font-weight:800;color:#EDF1F9}
.card-body{font-size:15px;line-height:1.8;color:var(--text-dim)}

.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--text-dim);background:rgba(15,26,46,.6);
  border:1px solid var(--line);border-radius:var(--radius-sm);
}
.tag--cyan{border-color:rgba(54,224,216,.6);color:var(--cyan-soft);background:rgba(54,224,216,.09)}
.tag--coral{border-color:rgba(255,122,89,.55);color:var(--coral-soft);background:rgba(255,122,89,.09)}
.tag--gold{border-color:rgba(201,162,74,.6);color:var(--gold-hi);background:rgba(201,162,74,.09)}

.archive{border-top:1px solid var(--line)}
.archive-item{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:14px;align-items:baseline;
  padding:15px 4px;border-bottom:1px dashed var(--line-soft);
  transition:background .2s ease,padding-left .2s ease,color .2s ease;
}
.archive-item:hover,.archive-item:focus-visible{background:rgba(54,224,216,.05);padding-left:12px}
.archive-index{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--cyan)}
.archive-body{font-size:16px;color:var(--text)}
.archive-meta{font-family:var(--font-mono);font-size:12px;color:var(--slate);white-space:nowrap}

.stat{display:flex;flex-direction:column;gap:6px}
.stat-value{font-family:var(--font-head);font-weight:900;font-size:clamp(30px,4.4vw,52px);line-height:1;color:var(--gold-hi)}
.stat-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--text-dim)}

/* ---------- 周期刻度条 ---------- */
.tscale{display:flex;border:1px solid var(--line-soft);border-radius:var(--radius-sm);overflow:hidden;background:rgba(15,26,46,.6)}
.tscale-item{
  flex:1 1 0;padding:10px 12px;text-align:center;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--text-dim);
  border-right:1px solid var(--line-soft);transition:background .22s ease,color .22s ease,box-shadow .22s ease;
}
.tscale-item:last-child{border-right:0}
.tscale-item.is-active{background:linear-gradient(180deg,rgba(54,224,216,.18),rgba(54,224,216,.04));color:var(--cyan-soft);box-shadow:inset 0 -2px 0 var(--cyan)}

/* ---------- 标签页 ---------- */
.tabs{display:grid;gap:clamp(18px,2.4vw,32px)}
.tablist{display:flex;flex-wrap:wrap;gap:8px;border-bottom:1px solid var(--line-soft)}
.tab{
  position:relative;padding:11px 18px;
  font-family:var(--font-head);font-weight:700;font-size:14px;letter-spacing:.06em;color:var(--text-dim);
  border:1px solid transparent;border-bottom:0;border-radius:3px 3px 0 0;cursor:pointer;
  transition:color .22s ease,background .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.tab:hover{color:var(--text);background:rgba(54,224,216,.07)}
.tab[aria-selected="true"]{color:var(--gold-hi);background:rgba(201,162,74,.1);border-color:rgba(201,162,74,.5);box-shadow:inset 0 -2px 0 var(--gold-hi)}
.tabpanel{padding-top:4px}
.tabpanel[hidden]{display:none}

/* ---------- 提示条 ---------- */
.notice{
  padding:16px 18px;font-size:15px;line-height:1.8;color:var(--text);
  background:rgba(54,224,216,.06);border:1px solid rgba(54,224,216,.38);
  border-left:3px solid var(--cyan);border-radius:var(--radius-sm);
}

/* ---------- 可视化容器（页面阶段放 SVG / 占位） ---------- */
.figure{margin:0}
.media-frame{
  position:relative;overflow:hidden;border:1px solid var(--line-soft);border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(22,35,60,.9),rgba(11,18,32,.95));
}
.media-frame::before{content:"";display:block;padding-top:56.25%}
.media-frame--wide::before{padding-top:42%}
.media-frame--tall::before{padding-top:118%}
.media-frame--square::before{padding-top:100%}
.media-frame > img,.media-frame > svg,.media-frame > .media-body{
  position:absolute;inset:0;width:100%;height:100%;
}
.media-frame > img,.media-frame > svg{object-fit:cover}
.media-body{display:grid;place-items:center;padding:clamp(14px,2vw,26px)}
.figure-caption{margin-top:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--slate)}

/* ---------- 显现动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 移动端与平板 ---------- */
@media (max-width:959px){
  .header-strip{display:none}
  .masthead{grid-template-columns:minmax(0,1fr);padding-right:118px}
  .masthead-aside{display:none}
  .brand{justify-self:start}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    background:rgba(15,26,46,.985);
    border-top:1px solid var(--gold);border-bottom:1px solid var(--line);
    box-shadow:0 34px 64px -32px rgba(0,0,0,.95);
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:max-height .34s ease,opacity .24s ease,transform .26s ease,visibility .26s ease;
  }
  .main-nav[data-open]{
    max-height:calc(100vh - 96px);overflow-y:auto;opacity:1;visibility:visible;transform:none;
  }
  .nav-inner{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;padding-top:10px;padding-bottom:22px}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .nav-item{border-bottom:1px dashed var(--line-soft)}
  .nav-link{display:block;padding:14px 2px;font-size:16px}
  .nav-link::after{left:0;right:auto;width:100%;bottom:8px}
  .nav-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:18px}
}
@media (max-width:640px){
  body{font-size:16px}
  .contact-line{grid-template-columns:1fr;gap:2px}
  .contact-key{padding-top:0}
  .footer-bottom-inner{justify-content:flex-start}
}
@media (min-width:640px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1000px){
  .footer-top{grid-template-columns:minmax(280px,1fr) 2fr}
  .footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* ---------- 降低动效 ---------- */
@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;
  }
  .reveal{opacity:1;transform:none}
  .scroll-progress-bar{transition:none}
  .btn:hover,.card-hover:hover{transform:none}
}