/* ============================================================
   皇冠体彩中心 · 城市坐标数据站
   共享样式 /assets/site.css
   1 tokens · 2 reset · 3 排版 · 4 骨架 · 5 头部 · 6 页脚
   7 组件 · 8 图像 · 9 响应式 · 10 动效降级
   ============================================================ */

/* ---------- 1. tokens ---------- */
:root{
  --ink:#0B1B2B;
  --ink-deep:#060F18;
  --gold:#D4AF37;
  --gold-lite:#F1DA8E;
  --gold-ink:#8A6D1F;
  --heat:#FF7A1A;
  --steel:#5C7A99;
  --glass:#2A4157;
  --ivory:#ECE7DA;
  --lead:#9FB3C8;
  --white:#F7F4EC;
  --teal:#4FA3A5;
  --paper-ink:#1B2531;
  --line:rgba(92,122,153,.28);
  --line-gold:rgba(212,175,55,.24);
  --bar-h:56px;
  --rail-w:96px;
  --gutter:24px;
  --offset:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-display:"PingFang SC","Hiragino Sans GB","Heiti SC","Microsoft YaHei",system-ui,sans-serif;
  --font-ui:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Songti SC","Source Han Serif SC","Noto Serif SC",SimSun,serif;
  --font-data:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --progress:0;
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,figcaption,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0;border-radius:0}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:focus{outline:none}
:focus-visible{outline:2px solid var(--gold-lite);outline-offset:2px}

/* ---------- 3. 排版 ---------- */
body{
  background:var(--ink-deep);
  color:var(--white);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.85;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6,.cc-heading{
  font-family:var(--font-display);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.28;
  color:var(--white);
}
h1,.cc-h1{font-size:32px;font-weight:900}
h2,.cc-h2{font-size:26px}
h3,.cc-h3{font-size:20px;font-weight:700}
h4,.cc-h4{font-size:16px;font-weight:700;letter-spacing:.02em}
p{font-size:16px;line-height:1.85}
strong,b{font-weight:700;color:var(--white)}

.cc-mono{
  font-family:var(--font-data);
  font-size:13px;
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
  color:var(--gold-lite);
}
.cc-muted{color:var(--lead)}
.cc-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. 骨架 ---------- */
.cc-container{width:100%;max-width:1360px;margin:0 auto;padding:0 var(--gutter)}
.cc-container--narrow{max-width:680px}
.cc-container--wide{max-width:1520px}

.cc-section{
  position:relative;
  padding:72px 0;
  background:var(--ink);
  border-top:1px solid var(--line-gold);
}
.cc-section--tight{padding:40px 0}
.cc-section--tall{min-height:100vh;display:flex;align-items:center;padding:96px 0}
.cc-section--deep{background:var(--ink-deep)}
.cc-section--paper{background:var(--ivory);color:var(--paper-ink);border-top-color:rgba(138,109,31,.28)}
.cc-section--paper h1,.cc-section--paper h2,.cc-section--paper h3,.cc-section--paper h4{color:var(--paper-ink)}
.cc-section--paper .cc-kicker{color:var(--gold-ink)}
.cc-section--paper .cc-kicker::before{background:var(--gold-ink)}
.cc-section--paper .cc-muted,.cc-section--paper .cc-lede{color:#4A5765}
.cc-section--paper .cc-mono{color:var(--gold-ink)}

.cc-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.cc-bleed{margin-right:calc((100vw - 1360px) / -2 - var(--gutter));padding-right:0}

.cc-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-ui);font-size:12px;font-weight:500;
  letter-spacing:.2em;line-height:1;color:var(--gold);
}
.cc-kicker::before{content:"";width:18px;height:1px;background:var(--gold);flex:none}

.cc-lede{font-size:17px;line-height:1.85;color:var(--lead);max-width:640px}

.cc-wedge{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(118deg,rgba(212,175,55,.16) 0%,rgba(42,65,87,.32) 42%,rgba(6,15,24,0) 68%),
    linear-gradient(298deg,rgba(79,163,165,.14) 0%,rgba(6,15,24,0) 46%);
  clip-path:polygon(0 0,100% 0,100% 54%,0 92%);
}

/* ---------- 5. 头部：紧凑命令栏 ---------- */
.cc-header{
  position:sticky;top:0;z-index:90;
  background:rgba(6,15,24,.88);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid var(--line-gold);
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.cc-header[data-scrolled]{
  background:rgba(6,15,24,.97);
  border-bottom-color:rgba(212,175,55,.36);
}
.cc-header__inner{
  max-width:1440px;margin:0 auto;padding:0 var(--gutter);
  height:var(--bar-h);
  display:flex;align-items:center;gap:18px;
  transition:height .24s var(--ease);
}
.cc-header[data-scrolled] .cc-header__inner{height:48px}

.cc-skip{
  position:absolute;left:16px;top:-64px;z-index:120;
  padding:12px 18px;
  background:var(--gold);color:var(--ink-deep);
  font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;
  transition:top .18s var(--ease);
}
.cc-skip:focus,.cc-skip:focus-visible{top:10px}

.cc-brand{display:flex;align-items:center;gap:10px;flex:none}
.cc-brand__mark{
  width:26px;height:26px;flex:none;
  display:grid;place-items:center;
  font-family:var(--font-display);font-size:13px;font-weight:900;line-height:1;
  color:var(--ink-deep);
  background:linear-gradient(150deg,var(--gold-lite),var(--gold) 58%,var(--gold-ink));
  clip-path:polygon(5px 0,100% 0,100% calc(100% - 5px),calc(100% - 5px) 100%,0 100%,0 5px);
}
.cc-brand__text{display:flex;flex-direction:column;gap:4px}
.cc-brand__name{
  font-family:var(--font-display);font-size:15px;font-weight:800;letter-spacing:.02em;
  line-height:1;color:var(--white);
}
.cc-brand__sub{
  font-family:var(--font-ui);font-size:10px;font-weight:400;letter-spacing:.16em;
  line-height:1;color:var(--lead);
}
.cc-brand--footer .cc-brand__name{font-size:16px}
.cc-brand--footer .cc-brand__mark{width:30px;height:30px;font-size:14px}

.cc-axis-ticks{
  flex:1 1 auto;min-width:40px;height:8px;
  background-image:
    linear-gradient(to bottom,transparent calc(50% - .5px),rgba(212,175,55,.3) calc(50% - .5px) calc(50% + .5px),transparent calc(50% + .5px)),
    repeating-linear-gradient(to right,rgba(212,175,55,.55) 0 1px,transparent 1px 14px);
  background-repeat:repeat-x;
}

.cc-nav{display:flex;align-items:center;min-width:0}
.cc-nav__label{display:none}
.cc-nav__list{display:flex;align-items:center;gap:2px}
.cc-nav__link{
  position:relative;
  display:inline-flex;align-items:center;height:var(--bar-h);
  padding:0 12px;
  font-family:var(--font-ui);font-size:13px;font-weight:500;letter-spacing:.08em;
  color:var(--lead);
  transition:color .2s var(--ease);
}
.cc-nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:10px;height:1px;
  background:var(--gold);
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .24s var(--ease);
}
.cc-nav__link:hover{color:var(--white)}
.cc-nav__link:hover::after{transform:scaleX(1)}
.cc-nav__link[aria-current="page"]{color:var(--gold-lite);font-weight:700}
.cc-nav__link[aria-current="page"]::before{
  content:"";position:absolute;top:9px;left:50%;
  width:5px;height:5px;margin-left:-2.5px;
  background:var(--gold);transform:rotate(45deg);
}
.cc-nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--gold-lite)}
.cc-nav__foot{display:none}

.cc-tools{display:flex;align-items:center;gap:16px;margin-left:auto;flex:none}
.cc-util{
  font-family:var(--font-ui);font-size:12px;font-weight:500;letter-spacing:.08em;
  color:var(--lead);padding:6px 1px;
  border-bottom:1px solid rgba(92,122,153,.45);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.cc-util:hover{color:var(--gold-lite);border-bottom-color:var(--gold)}
.cc-cta{
  display:inline-flex;align-items:center;
  padding:10px 16px;
  font-family:var(--font-ui);font-size:12px;font-weight:700;letter-spacing:.1em;line-height:1;
  color:#150C04;background:var(--heat);
  clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.cc-cta:hover{background:var(--gold-lite);color:var(--ink-deep)}

.cc-burger{
  display:none;width:40px;height:40px;flex:none;
  align-items:center;justify-content:center;
  border:1px solid rgba(212,175,55,.36);
  background:rgba(42,65,87,.32);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.cc-burger:hover{border-color:var(--gold);background:rgba(42,65,87,.6)}
.cc-burger__bars{position:relative;display:block;width:18px;height:11px}
.cc-burger__bars::before,.cc-burger__bars::after{
  content:"";position:absolute;left:0;width:18px;height:1px;background:var(--gold);
  transition:top .24s var(--ease),transform .24s var(--ease);
}
.cc-burger__bars::before{top:0}
.cc-burger__bars::after{top:10px}
.cc-burger[aria-expanded="true"] .cc-burger__bars::before{top:5px;transform:rotate(45deg)}
.cc-burger[aria-expanded="true"] .cc-burger__bars::after{top:5px;transform:rotate(-45deg)}

.cc-progress{
  position:absolute;left:0;bottom:-1px;width:100%;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--heat));
  transform:scaleX(var(--progress));transform-origin:0 50%;
  pointer-events:none;
}

/* ---------- 6. 页脚 ---------- */
.cc-footer{
  background:var(--ink);
  border-top:1px solid rgba(212,175,55,.3);
  font-family:var(--font-ui);
  color:var(--lead);
}
.cc-footer__ticks{
  height:10px;
  border-bottom:1px solid var(--line-gold);
  background-image:repeating-linear-gradient(to right,rgba(212,175,55,.5) 0 1px,transparent 1px 28px);
}
.cc-footer__inner{
  max-width:1360px;margin:0 auto;
  padding:56px var(--gutter) 36px;
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr 1.5fr;
  gap:32px;
}
.cc-footer__brand{display:flex;flex-direction:column;gap:16px}
.cc-footer__note{
  font-family:var(--font-body);font-size:13px;line-height:1.9;
  color:var(--lead);max-width:330px;
}
.cc-footer__col{display:flex;flex-direction:column}
.cc-footer__col-title{
  font-family:var(--font-display);font-size:13px;font-weight:700;
  letter-spacing:.14em;line-height:1.4;color:var(--gold);
  margin-bottom:16px;
}
.cc-footer__list{display:flex;flex-direction:column;gap:11px}
.cc-footer__link{
  font-size:13px;letter-spacing:.04em;color:var(--lead);
  transition:color .2s var(--ease);
}
.cc-footer__link:hover{color:var(--gold-lite)}
.cc-footer__contact{
  font-size:13px;line-height:2;letter-spacing:.02em;color:var(--lead);
}
.cc-footer__contact .cc-mono{font-size:12.5px;color:var(--white);word-break:break-all}
.cc-footer__contact--sub{
  margin-top:14px;font-size:12.5px;line-height:1.9;
  color:var(--steel);
  padding-left:12px;border-left:1px solid var(--line-gold);
}
.cc-footer__base{
  max-width:1360px;margin:0 auto;
  padding:18px var(--gutter) 40px;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;
  border-top:1px solid rgba(92,122,153,.22);
  font-family:var(--font-data);font-size:12px;letter-spacing:.06em;
}
.cc-footer__legal{color:var(--steel)}
.cc-footer__back{
  margin-left:auto;
  font-family:var(--font-ui);font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--gold);
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 2px;
  border-bottom:1px solid rgba(212,175,55,.5);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.cc-footer__back::before{content:"";width:5px;height:5px;background:var(--gold);transform:rotate(45deg)}
.cc-footer__back:hover{color:var(--gold-lite);border-bottom-color:var(--gold-lite)}

/* ---------- 7. 组件 ---------- */
.cc-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;
  font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.1em;line-height:1;
  color:var(--gold-lite);
  background:rgba(42,65,87,.4);
  border:1px solid rgba(212,175,55,.45);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.cc-btn:hover{background:rgba(212,175,55,.16);border-color:var(--gold);color:var(--white)}
.cc-btn--gold{
  background:var(--gold);border-color:var(--gold);color:var(--ink-deep);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.cc-btn--gold:hover{background:var(--gold-lite);border-color:var(--gold-lite);color:var(--ink-deep)}
.cc-btn--heat{
  background:var(--heat);border-color:var(--heat);color:#150C04;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.cc-btn--heat:hover{background:#FF9A4D;border-color:#FF9A4D;color:#150C04}
.cc-btn--ghost{background:transparent;border-color:rgba(159,179,200,.4);color:var(--white)}
.cc-btn--ghost:hover{background:rgba(159,179,200,.12);border-color:var(--gold);color:var(--gold-lite)}

.cc-grid{gap:24px}
.cc-card{
  position:relative;
  padding:24px 24px 22px;
  background:var(--ink);
  border:1px solid var(--line);
  border-left:2px solid var(--gold);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.cc-card:hover{border-color:rgba(212,175,55,.5);border-left-color:var(--gold-lite);background:#0E2134}
.cc-card--glass{
  background:rgba(42,65,87,.55);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-color:rgba(212,175,55,.28);
  box-shadow:0 22px 48px -28px rgba(0,0,0,.92);
  transform:translateY(calc(var(--offset) * -1));
}
.cc-card__title{
  font-family:var(--font-display);font-size:20px;font-weight:700;line-height:1.35;
  color:var(--white);margin-bottom:8px;
}
.cc-card__meta{
  font-family:var(--font-data);font-size:12px;letter-spacing:.06em;
  color:var(--steel);margin-bottom:12px;
}
.cc-card p{font-size:15px;color:var(--lead)}

.cc-tag{
  display:inline-flex;align-items:center;
  padding:4px 9px;
  font-family:var(--font-ui);font-size:11px;font-weight:500;letter-spacing:.12em;line-height:1.3;
  color:var(--lead);
  background:rgba(42,65,87,.32);
  border:1px solid rgba(92,122,153,.45);
}
.cc-tag--gold{color:var(--gold-lite);border-color:rgba(212,175,55,.5);background:rgba(212,175,55,.09)}
.cc-tag--heat{color:var(--heat);border-color:rgba(255,122,26,.5);background:rgba(255,122,26,.09)}

.cc-data{
  font-family:var(--font-data);font-size:14px;letter-spacing:.04em;
  font-variant-numeric:tabular-nums;color:var(--gold-lite);
}
.cc-quote{
  margin:24px 0;padding:20px 24px;
  font-family:var(--font-body);font-size:16px;line-height:1.85;
  color:var(--white);
  background:rgba(42,65,87,.42);
  border-left:2px solid var(--gold);
}
.cc-section--paper .cc-quote{background:rgba(255,255,255,.55);color:var(--paper-ink);border-left-color:var(--gold-ink)}

.cc-list-plain{display:flex;flex-direction:column;gap:10px}
.cc-list-plain li{
  position:relative;padding-left:18px;
  font-size:15px;line-height:1.85;color:var(--lead);
}
.cc-list-plain li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:1px;background:var(--gold);
}

.cc-copy{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 10px;
  font-family:var(--font-data);font-size:12px;letter-spacing:.06em;
  color:var(--gold-lite);
  background:rgba(212,175,55,.07);
  border:1px dashed rgba(212,175,55,.45);
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.cc-copy:hover{border-style:solid;background:rgba(212,175,55,.16)}
.cc-copy[data-copied]{color:var(--ink-deep);background:var(--gold-lite);border-color:var(--gold-lite);border-style:solid}

.cc-tabs{margin:24px 0}
.cc-tabs__list{
  display:flex;flex-wrap:wrap;gap:2px;
  border-bottom:1px solid rgba(92,122,153,.32);
  margin-bottom:20px;
}
.cc-tabs__tab{
  position:relative;
  padding:11px 16px;
  font-family:var(--font-ui);font-size:13px;font-weight:500;letter-spacing:.08em;
  color:var(--lead);
  border-bottom:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.cc-tabs__tab:hover{color:var(--white)}
.cc-tabs__tab[aria-selected="true"]{color:var(--gold-lite);border-bottom-color:var(--gold)}
.cc-tabs__panel{display:none}
.cc-tabs__panel[data-open]{display:block;animation:cc-panel-in .32s var(--ease) both}
@keyframes cc-panel-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.cc-breadcrumb{
  font-family:var(--font-ui);font-size:12px;letter-spacing:.08em;color:var(--steel);
  padding:14px 0;
}
.cc-breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.cc-breadcrumb__list li{display:inline-flex;align-items:center;gap:8px}
.cc-breadcrumb__list li+li::before{content:"/";color:rgba(92,122,153,.7)}
.cc-breadcrumb__list a{color:var(--lead);transition:color .2s var(--ease)}
.cc-breadcrumb__list a:hover{color:var(--gold-lite)}

.cc-rail{
  position:sticky;top:calc(var(--bar-h) + 24px);
  display:flex;flex-direction:column;gap:16px;
  padding-left:6px;
  width:var(--rail-w);
}
.cc-rail__tick{
  position:relative;display:flex;align-items:center;gap:10px;
  font-family:var(--font-ui);font-size:11px;font-weight:500;letter-spacing:.16em;
  color:var(--steel);padding:4px 0;
  transition:color .24s var(--ease);
}
.cc-rail__tick::before{
  content:"";width:9px;height:1px;background:var(--steel);flex:none;
  transition:width .24s var(--ease),background .24s var(--ease);
}
.cc-rail__tick[data-active]{color:var(--gold-lite)}
.cc-rail__tick[data-active]::before{width:24px;background:var(--gold)}
.cc-rail__label{
  writing-mode:vertical-rl;
  font-family:var(--font-ui);font-size:11px;letter-spacing:.3em;
  color:var(--steel);
}

/* ---------- 8. 图像容器 ---------- */
.cc-figure{
  position:relative;overflow:hidden;
  width:100%;
  background:
    linear-gradient(135deg,var(--ink-deep) 0%,var(--glass) 100%);
  border:1px solid rgba(92,122,153,.26);
}
.cc-figure::after{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(212,175,55,.09) 0 1px,transparent 1px 32px),
    repeating-linear-gradient(90deg,rgba(212,175,55,.09) 0 1px,transparent 1px 32px);
}
.cc-figure img,.cc-figure svg{
  position:relative;z-index:1;
  width:100%;height:100%;object-fit:cover;
}
.cc-figure--16x9{aspect-ratio:16/9}
.cc-figure--4x3{aspect-ratio:4/3}
.cc-figure--1x1{aspect-ratio:1/1}
.cc-figure--21x9{aspect-ratio:21/9}
.cc-figure__cap{
  margin-top:10px;
  font-family:var(--font-data);font-size:12px;letter-spacing:.06em;
  color:var(--steel);
}

/* ---------- 9. 响应式 ---------- */
@media (max-width:1240px){
  .cc-util{display:none}
  .cc-nav__link{padding:0 10px;font-size:12.5px}
}
@media (max-width:1080px){
  .cc-footer__inner{grid-template-columns:1.6fr 1fr 1fr;gap:28px}
  .cc-footer__col--contact{grid-column:1 / -1}
}
@media (max-width:900px){
  :root{--gutter:20px}
  .cc-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
  .cc-section{padding:56px 0}
  .cc-section--tall{min-height:auto;padding:72px 0}
  .cc-bleed{margin-right:calc(var(--gutter) * -1)}
  .cc-axis-ticks{display:none}
  .cc-burger{display:inline-flex}

  .cc-nav{
    position:fixed;top:0;right:auto;bottom:0;left:0;
    display:block;
    width:min(320px,86vw);
    padding:calc(var(--bar-h) + 30px) 22px 110px;
    background:linear-gradient(180deg,var(--ink-deep) 0%,var(--ink) 100%);
    border-right:1px solid rgba(212,175,55,.3);
    box-shadow:26px 0 64px -34px rgba(0,0,0,.95);
    overflow-y:auto;
    visibility:hidden;
    transform:translateX(-102%);
    transition:transform .24s var(--ease),visibility .24s var(--ease);
    z-index:95;
  }
  .cc-nav[data-open]{transform:none;visibility:visible}
  .cc-nav__label{
    display:block;
    margin-bottom:22px;padding-left:14px;
    border-left:1px solid var(--line-gold);
    font-family:var(--font-ui);font-size:11px;letter-spacing:.24em;
    color:var(--steel);writing-mode:horizontal-tb;
  }
  .cc-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .cc-nav__link{
    width:100%;height:auto;
    padding:15px 2px;
    font-size:16px;letter-spacing:.06em;
    border-bottom:1px solid rgba(92,122,153,.2);
  }
  .cc-nav__link::after{display:none}
  .cc-nav__link[aria-current="page"]::before{
    top:50%;left:auto;right:2px;margin:0;
    transform:translateY(-50%) rotate(45deg);
  }
  .cc-nav__foot{
    display:inline-flex;align-items:center;gap:8px;
    margin-top:30px;
    font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.12em;
    color:var(--heat);
  }
  .cc-nav__foot::before{content:"";width:5px;height:5px;background:var(--heat);transform:rotate(45deg)}
  .cc-nav[data-open] .cc-nav__list li{animation:cc-drawer-item .34s var(--ease) both}
  .cc-nav[data-open] .cc-nav__list li:nth-child(1){animation-delay:.04s}
  .cc-nav[data-open] .cc-nav__list li:nth-child(2){animation-delay:.08s}
  .cc-nav[data-open] .cc-nav__list li:nth-child(3){animation-delay:.12s}
  .cc-nav[data-open] .cc-nav__list li:nth-child(4){animation-delay:.16s}
  .cc-nav[data-open] .cc-nav__list li:nth-child(5){animation-delay:.2s}
  .cc-nav[data-open] .cc-nav__list li:nth-child(6){animation-delay:.24s}
  @keyframes cc-drawer-item{from{opacity:0;transform:translateX(-10px)}to{opacity:1;transform:none}}
  body.cc-nav-open{overflow:hidden}

  .cc-footer__inner{grid-template-columns:1fr 1fr;padding-top:44px}
  .cc-footer__brand{grid-column:1 / -1}
  .cc-footer__col--contact{grid-column:1 / -1}
}
@media (max-width:640px){
  :root{--gutter:16px}
  .cc-header__inner{gap:12px}
  .cc-brand__sub{display:none}
  .cc-tools{gap:12px}
  .cc-cta{padding:9px 12px;font-size:11px}
  .cc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cc-card{padding:20px 18px}
  .cc-footer__inner{grid-template-columns:1fr;gap:26px}
  .cc-footer__base{padding-bottom:32px;gap:10px 18px}
  .cc-footer__back{margin-left:0}
  h1,.cc-h1{font-size:26px}
  h2,.cc-h2{font-size:22px}
}

/* ---------- 10. 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .cc-progress{transform:scaleX(var(--progress))}
}