/* ============================================================
   BET赛场 · 共享 Site Kit
   深夜草原数据哨站：冷底 + 青柠脉冲 + 熔岩橙时间带
   ============================================================ */

:root{
  --c-ink:#0B1B2B;
  --c-deep:#102A42;
  --c-card:#1A3A54;
  --c-line:#27506E;
  --c-white:#F2F5F7;
  --c-muted:#9FB3C2;
  --c-lime:#C8FF3D;
  --c-orange:#FF7A2F;
  --c-violet:#7C5CFF;
  --c-teal:#35E0C8;

  --font-display:"Oswald","Barlow Condensed","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;

  --wrap-max:1240px;
  --radius-pill:999px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --section-space:clamp(56px,8vw,120px);

  --ease-out:cubic-bezier(.22,.61,.36,1);
  --dur-fast:.18s;
  --dur:.28s;
  --focus-ring:0 0 0 3px rgba(124,92,255,.55);
}

/* ---------- reset ---------- */
*,
*::before,
*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  background:var(--c-ink);
}

body{
  margin:0;
  min-height:100%;
  background:var(--c-ink);
  color:var(--c-white);
  font-family:var(--font-body);
  font-size:16.5px;
  font-weight:400;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(60% 40% at 12% 0%, rgba(124,92,255,.14), transparent 70%),
    radial-gradient(50% 36% at 92% 6%, rgba(53,224,200,.10), transparent 72%),
    linear-gradient(180deg,#0B1B2B 0%,#0A1725 100%);
  pointer-events:none;
}

h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img,picture,svg,video{max-width:100%;display:block;}
a{color:inherit;}
button{font:inherit;color:inherit;}
main{display:block;}
main:focus{outline:none;}

::selection{background:var(--c-lime);color:var(--c-ink);}

:focus-visible{
  outline:2px solid var(--c-violet);
  outline-offset:2px;
}

/* ---------- 工具类 ---------- */
.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;
}

.text-muted{color:var(--c-muted);}
.text-lime{color:var(--c-lime);}

.wrap{
  width:100%;
  max-width:var(--wrap-max);
  margin-inline:auto;
  padding-inline:clamp(16px,4vw,40px);
}
.wrap--narrow{max-width:900px;}
.wrap--wide{max-width:1440px;}

.section{padding-block:var(--section-space);}

.theme-rail{
  height:1px;
  margin:0;
  border:0;
  background:linear-gradient(90deg,transparent,var(--c-line) 12%,var(--c-violet) 50%,var(--c-line) 88%,transparent);
}

/* ---------- 跳至主要内容 ---------- */
.skip-link{
  position:fixed;
  top:-120px;
  left:clamp(12px,3vw,28px);
  z-index:200;
  display:inline-flex;
  align-items:center;
  padding:11px 20px;
  border-radius:var(--radius-pill);
  background:var(--c-lime);
  color:var(--c-ink);
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  box-shadow:0 12px 28px rgba(2,8,15,.5);
  transition:top var(--dur) var(--ease-out);
}
.skip-link:focus{top:14px;outline:none;box-shadow:var(--focus-ring);}

/* ---------- 排版积木 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--c-lime);
}
.eyebrow::before{
  content:"";
  width:20px;
  height:1px;
  background:currentColor;
  opacity:.85;
}
.eyebrow--orange{color:var(--c-orange);}
.eyebrow--violet{color:var(--c-violet);}
.eyebrow--teal{color:var(--c-teal);}

.display{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.06;
  letter-spacing:-.01em;
  color:var(--c-white);
}
.display--xl{font-size:clamp(38px,7vw,72px);}
.display--lg{font-size:clamp(30px,4.6vw,46px);}
.display--md{font-size:clamp(24px,3vw,32px);}
.display--sm{font-size:clamp(19px,2.2vw,24px);letter-spacing:0;}

.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--c-white);
}
.num--xl{font-size:clamp(40px,6.4vw,64px);}
.num--lg{font-size:clamp(30px,4vw,40px);}
.num--md{font-size:clamp(22px,2.6vw,28px);}
.num--lime{color:var(--c-lime);}
.num--orange{color:var(--c-orange);}
.num--teal{color:var(--c-teal);}

.prose{max-width:38em;}
.prose p{
  color:var(--c-muted);
  font-size:16.5px;
  line-height:1.85;
}
.prose p + p{margin-top:1.05em;}
.prose strong{color:var(--c-white);font-weight:600;}
.prose--tight p{font-size:15.5px;line-height:1.8;}
.prose--tight{max-width:34em;}

/* ---------- 容器 ---------- */
.panel{
  position:relative;
  background:var(--c-deep);
  border:1px solid var(--c-line);
  border-radius:var(--radius-lg);
  padding:clamp(20px,3vw,36px);
  box-shadow:0 24px 60px rgba(2,8,15,.34);
}
.panel--card{background:var(--c-card);}
.panel__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px 20px;
  margin-bottom:18px;
}
.panel__index{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.24em;
  color:var(--c-lime);
}

.card{
  position:relative;
  display:block;
  padding:20px 22px;
  background:var(--c-deep);
  border:1px solid var(--c-line);
  border-radius:var(--radius-md);
  transition:border-color var(--dur-fast) var(--ease-out),
             transform var(--dur-fast) var(--ease-out),
             background-color var(--dur-fast) var(--ease-out);
}
.card:hover,
.card:focus-within{
  border-color:var(--c-lime);
  background:var(--c-card);
  transform:translateY(-2px);
}

/* ---------- 统计脉冲 ---------- */
.stat{display:flex;flex-direction:column;gap:8px;}
.stat__label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-muted);
}
.stat__value{
  display:flex;
  align-items:baseline;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  line-height:1;
  font-size:clamp(32px,5vw,56px);
  color:var(--c-lime);
  animation:data-pulse 1.2s var(--ease-out) infinite;
}
.stat__unit{
  margin-left:8px;
  font-size:.36em;
  letter-spacing:.14em;
  color:var(--c-muted);
}
.stat--orange .stat__value{color:var(--c-orange);}
.stat--teal .stat__value{color:var(--c-teal);}
.stat--violet .stat__value{color:var(--c-violet);}

@keyframes data-pulse{
  0%,100%{transform:scale(1);}
  50%{transform:scale(1.03);}
}

/* ---------- 数据矩阵 ---------- */
.table-scroll{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border:1px solid var(--c-line);
  border-radius:var(--radius-md);
  background:rgba(16,42,66,.55);
}
.table-scroll:focus-visible{outline:none;box-shadow:var(--focus-ring);}

.data-table{
  width:100%;
  min-width:540px;
  border-collapse:collapse;
  font-size:14.5px;
  line-height:1.7;
}
.data-table th,
.data-table td{
  padding:12px 16px;
  text-align:left;
  border-bottom:1px solid var(--c-line);
}
.data-table thead th{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--c-violet);
  background:rgba(124,92,255,.10);
  white-space:nowrap;
}
.data-table tbody tr{
  background:rgba(26,58,84,.35);
  transition:background-color var(--dur-fast) var(--ease-out);
}
.data-table tbody tr:hover{background:rgba(200,255,61,.07);}
.data-table tbody tr:last-child td{border-bottom:0;}
.data-table .num{font-size:16px;color:var(--c-lime);}

/* ---------- 网格 ---------- */
.grid{
  display:grid;
  gap:clamp(16px,2.5vw,28px);
}
.grid--split{grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}

/* ---------- 图形容器 ---------- */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16 / 9;
  overflow:hidden;
  border:1px solid var(--c-line);
  border-radius:var(--radius-md);
  background:
    radial-gradient(120% 90% at 10% 112%, rgba(124,92,255,.30), transparent 62%),
    radial-gradient(90% 80% at 90% -12%, rgba(53,224,200,.22), transparent 64%),
    linear-gradient(160deg,#123047 0%,#0B1B2B 100%);
}
.media-frame--wide{aspect-ratio:21 / 9;}
.media-frame--tall{aspect-ratio:4 / 5;}
.media-frame--square{aspect-ratio:1 / 1;}

.media-frame__media{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.media-frame--plot::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(39,80,110,.6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(39,80,110,.6) 1px, transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 82%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 82%);
}

.media-frame__label{
  position:absolute;
  left:12px;
  bottom:12px;
  padding:4px 11px;
  border-radius:var(--radius-pill);
  background:var(--c-lime);
  color:var(--c-ink);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
}

/* ---------- 分段切换 ---------- */
.tabs{display:block;}
.tabs__list{
  display:inline-flex;
  flex-wrap:wrap;
  gap:4px;
  padding:4px;
  border:1px solid var(--c-line);
  border-radius:var(--radius-pill);
  background:rgba(16,42,66,.7);
}
.tabs__tab{
  appearance:none;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  background:transparent;
  color:var(--c-muted);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  padding:9px 18px;
  cursor:pointer;
  transition:color var(--dur-fast) var(--ease-out),
             background-color var(--dur-fast) var(--ease-out),
             border-color var(--dur-fast) var(--ease-out);
}
.tabs__tab:hover{color:var(--c-white);}
.tabs__tab[aria-selected="true"]{
  color:var(--c-lime);
  border-color:var(--c-lime);
  background:rgba(200,255,61,.12);
}
.tabs__tab:focus-visible{outline:none;box-shadow:var(--focus-ring);}
.tabs__panel{padding-top:clamp(18px,3vw,28px);}
.tabs__panel[hidden]{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border:1px solid var(--c-line);
  border-radius:var(--radius-pill);
  background:transparent;
  color:var(--c-white);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:background-color var(--dur-fast) var(--ease-out),
             color var(--dur-fast) var(--ease-out),
             border-color var(--dur-fast) var(--ease-out),
             transform var(--dur-fast) var(--ease-out);
}
.btn:hover{transform:translateY(-2px);}
.btn:focus-visible{outline:none;box-shadow:var(--focus-ring);}
.btn--lime{
  background:var(--c-lime);
  border-color:var(--c-lime);
  color:var(--c-ink);
}
.btn--lime:hover{background:#d8ff6e;border-color:#d8ff6e;}
.btn--ghost:hover{border-color:var(--c-lime);color:var(--c-lime);}
.btn--orange{border-color:var(--c-orange);color:var(--c-orange);}
.btn--orange:hover{background:var(--c-orange);color:var(--c-ink);}
.btn--sm{padding:9px 18px;font-size:13.5px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--c-muted);
}
.breadcrumb li{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.breadcrumb li + li::before{
  content:"/";
  color:var(--c-line);
}
.breadcrumb a{
  color:var(--c-muted);
  text-decoration:none;
  transition:color var(--dur-fast) var(--ease-out);
}
.breadcrumb a:hover{color:var(--c-lime);}
.breadcrumb [aria-current="page"]{color:var(--c-white);}

/* ---------- 显现 ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .32s ease-out,transform .32s ease-out;
}
html.js [data-reveal].is-visible{
  opacity:1;
  transform:translateY(0);
}

/* ============================================================
   头部：悬浮胶囊导航浮岛
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:12px clamp(12px,3vw,28px) 0;
}

.nav-shell{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(10px,2vw,22px);
  max-width:var(--wrap-max);
  margin-inline:auto;
  padding:8px 10px 8px 18px;
  border:1px solid var(--c-line);
  border-radius:var(--radius-pill);
  background:rgba(16,42,66,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 18px 40px rgba(3,10,18,.45);
  transition:padding var(--dur) var(--ease-out),
             box-shadow var(--dur) var(--ease-out),
             border-color var(--dur) var(--ease-out);
}
.nav-shell.is-scrolled{
  padding:5px 10px 5px 18px;
  box-shadow:0 14px 32px rgba(3,10,18,.58);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--c-white);
  text-decoration:none;
}
.brand__mark{
  width:10px;
  height:10px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--c-lime);
  box-shadow:0 0 0 4px rgba(200,255,61,.14);
}
.brand__text{
  display:flex;
  flex-direction:column;
  line-height:1.14;
}
.brand__name{
  font-family:var(--font-display);
  font-size:17px;
  font-weight:700;
  letter-spacing:.03em;
}
.brand__tag{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--c-muted);
}
.brand:hover .brand__name{color:var(--c-lime);}
.brand:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--radius-pill);}

.nav{flex:0 1 auto;}
.nav__list{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav__link{
  display:inline-block;
  padding:9px 14px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  color:var(--c-muted);
  font-size:14px;
  line-height:1.45;
  text-decoration:none;
  white-space:nowrap;
  transition:color var(--dur-fast) var(--ease-out),
             background-color var(--dur-fast) var(--ease-out),
             border-color var(--dur-fast) var(--ease-out);
}
.nav__link:hover{
  color:var(--c-white);
  background:rgba(39,80,110,.55);
}
.nav__link:focus-visible{outline:none;box-shadow:var(--focus-ring);}
.nav__link[aria-current="page"]{
  color:var(--c-lime);
  border-color:var(--c-lime);
  background:rgba(200,255,61,.09);
}

.nav-actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
}

.circle-btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 18px 9px 14px;
  border:1px solid var(--c-lime);
  border-radius:var(--radius-pill);
  background:rgba(200,255,61,.08);
  color:var(--c-lime);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.02em;
  text-decoration:none;
  white-space:nowrap;
  transition:background-color var(--dur-fast) var(--ease-out),
             color var(--dur-fast) var(--ease-out),
             transform var(--dur-fast) var(--ease-out);
}
.circle-btn__dot{
  width:8px;
  height:8px;
  flex:0 0 auto;
  border-radius:50%;
  background:currentColor;
  animation:dot-pulse 1.6s var(--ease-out) infinite;
}
.circle-btn:hover{
  background:var(--c-lime);
  color:var(--c-ink);
  transform:translateY(-1px);
}
.circle-btn:focus-visible{outline:none;box-shadow:var(--focus-ring);}

@keyframes dot-pulse{
  0%,100%{transform:scale(1);opacity:1;}
  50%{transform:scale(1.34);opacity:.6;}
}

.nav-toggle{
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  width:42px;
  height:42px;
  padding:0;
  border:1px solid var(--c-line);
  border-radius:var(--radius-pill);
  background:rgba(26,58,84,.8);
  cursor:pointer;
  transition:border-color var(--dur-fast) var(--ease-out),
             background-color var(--dur-fast) var(--ease-out);
}
.nav-toggle:hover{border-color:var(--c-lime);}
.nav-toggle:focus-visible{outline:none;box-shadow:var(--focus-ring);}
.nav-toggle__bar{
  display:block;
  width:16px;
  height:1.5px;
  border-radius:2px;
  background:var(--c-white);
  transition:transform .22s var(--ease-out),opacity .22s var(--ease-out);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(6.5px) 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(-6.5px) rotate(-45deg);}

.scroll-progress{
  position:absolute;
  left:26px;
  right:26px;
  bottom:1px;
  height:2px;
  border-radius:2px;
  overflow:hidden;
  background:rgba(39,80,110,.5);
}
.scroll-progress::after{
  content:"";
  display:block;
  width:100%;
  height:100%;
  transform-origin:left center;
  transform:scaleX(var(--scroll-progress,0));
  background:linear-gradient(90deg,var(--c-teal),var(--c-lime) 55%,var(--c-orange));
  transition:transform .1s linear;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(56px,9vw,140px);
  border-top:1px solid var(--c-line);
  background:linear-gradient(180deg,rgba(16,42,66,.6),rgba(11,27,43,1) 62%);
}

.footer-rail{
  height:3px;
  background:linear-gradient(90deg,var(--c-teal),var(--c-lime) 32%,var(--c-violet) 64%,var(--c-orange));
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.35fr;
  gap:clamp(24px,4vw,48px);
  padding-block:clamp(40px,6vw,72px) clamp(28px,4vw,48px);
}

.footer-col{min-width:0;}
.footer-col--brand .brand{margin-bottom:0;}

.footer-title{
  margin-bottom:16px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--c-lime);
}

.footer-note{
  margin-top:16px;
  max-width:26em;
  color:var(--c-muted);
  font-size:14.5px;
  line-height:1.78;
}

.footer-list{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-list a{
  color:var(--c-muted);
  font-size:15px;
  text-decoration:none;
  transition:color var(--dur-fast) var(--ease-out);
}
.footer-list a:hover{color:var(--c-lime);}
.footer-list a:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:4px;}

.footer-list--contact li{
  color:var(--c-muted);
  font-size:14.5px;
  line-height:1.72;
  word-break:break-word;
}
.footer-list--contact a{color:var(--c-white);}

.footer-bottom{
  border-top:1px solid var(--c-line);
  background:rgba(11,27,43,.75);
}
.footer-bottom__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 24px;
  padding-block:18px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--c-muted);
}
.footer-badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--c-white);
}
.footer-badge::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--c-teal);
  box-shadow:0 0 0 4px rgba(53,224,200,.16);
}
.footer-copy{color:var(--c-muted);}
.footer-icp{color:var(--c-muted);}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1100px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:1024px){
  .nav-toggle{display:inline-flex;}

  .nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    padding:10px;
    border:1px solid var(--c-line);
    border-radius:22px;
    background:rgba(11,27,43,.97);
    box-shadow:0 24px 48px rgba(2,8,15,.6);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .22s var(--ease-out),
               transform .22s var(--ease-out),
               visibility .22s linear;
  }
  .nav[data-open="true"]{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .nav__link{
    display:block;
    padding:12px 16px;
    border-radius:14px;
    font-size:15px;
  }
}

@media (max-width:960px){
  .grid--split,
  .grid--3{grid-template-columns:minmax(0,1fr);}
}

@media (max-width:760px){
  body{font-size:16px;}

  .nav-shell{padding:7px 8px 7px 14px;}
  .brand__name{font-size:16px;}
  .brand__tag{letter-spacing:.2em;}

  .circle-btn{padding:8px 14px 8px 12px;font-size:13px;}
  .nav-toggle{width:40px;height:40px;}

  .footer-bottom__inner{justify-content:flex-start;}
}

@media (max-width:700px){
  .grid--2{grid-template-columns:minmax(0,1fr);}
}

@media (max-width:640px){
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}

  .scroll-progress{left:18px;right:18px;}
}

@media (max-width:480px){
  .brand__tag{display:none;}
  .circle-btn__label{letter-spacing:0;}
  .site-header{padding:8px 10px 0;}
}

/* ============================================================
   动效降级
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  html{scroll-behavior:auto;}
  html.js [data-reveal]{
    opacity:1 !important;
    transform:none !important;
  }
  .stat__value{animation:none;}
  .circle-btn__dot{animation:none;}
}