/* ============================================================
   冠军体育希洪 · 简中数据站 — 共享样式 /assets/site.css
   红白竞技基因 × 霓虹数据高亮 × 深夜数据编辑室
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dt,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,picture,video,svg{display:block;max-width:100%}
img{height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
main{display:block}

/* ---------- 2. 变量 ---------- */
:root{
  --red:#D91E2E;
  --red-deep:#7A1226;
  --graphite:#0E1116;
  --night:#131A24;
  --steel:#4C6B8A;
  --mist:#F2F4F7;
  --stripe-gray:#E3E6EB;
  --cyan:#23E0C8;
  --lime:#E8FF52;

  --ink:var(--mist);
  --ink-dim:rgba(242,244,247,.68);
  --ink-faint:rgba(242,244,247,.44);
  --line:rgba(242,244,247,.14);
  --line-strong:rgba(242,244,247,.28);
  --line-dark:rgba(14,17,22,.14);
  --dark-text:#161A20;
  --dark-text-dim:rgba(22,26,32,.72);

  --font-sans:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;

  --ease:cubic-bezier(.22,1,.36,1);
  --radius:2px;
  --wrap:1280px;
  --gutter:24px;
  --measure:36em;
  --header-h:66px;
  --shadow-soft:0 20px 46px -30px rgba(0,0,0,.92);
}
@media (max-width:640px){:root{--gutter:18px;--header-h:60px}}

/* ---------- 3. 基础排版 ---------- */
body{
  background:var(--graphite);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--lime);color:#0B0D11}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}
[data-section]{scroll-margin-top:calc(var(--header-h) + 28px)}

.csg-wrap{width:min(var(--wrap),100% - var(--gutter) * 2);margin-inline:auto}
.csg-visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 4. 跳转链接 ---------- */
.csg-skip{
  position:absolute;left:var(--gutter);top:-80px;z-index:140;
  padding:10px 16px;background:var(--lime);color:#0B0D11;
  font-size:13px;font-weight:700;border-radius:var(--radius);
  transition:top 200ms var(--ease);
}
.csg-skip:focus{top:10px}

/* ---------- 5. 头部 ---------- */
.csg-header{
  position:sticky;top:0;z-index:80;
  background:rgba(14,17,22,.96);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.csg-header__meta{
  overflow:hidden;max-height:220px;
  border-bottom:1px solid var(--line);
  transition:max-height 340ms var(--ease),opacity 220ms linear;
}
.csg-header[data-collapsed="true"] .csg-header__meta{max-height:0;opacity:0;border-bottom-color:transparent}
.csg-header__meta-inner{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:8px 26px;padding:9px 0;
  font-size:12px;line-height:1.55;
}
.csg-brandline{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:800;letter-spacing:.02em;color:var(--mist);
}
.csg-brandline__dot{
  width:7px;height:7px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 10px rgba(35,224,200,.85);
  animation:csg-pulse 2200ms ease-in-out infinite;
}
@keyframes csg-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
.csg-tagline{font-size:12px;letter-spacing:.04em;color:var(--ink-faint)}
.csg-status{
  display:inline-flex;align-items:baseline;gap:8px;margin-inline-start:auto;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.02em;
}
.csg-status__k{
  padding:1px 6px;border:1px solid var(--line);
  color:var(--ink-faint);letter-spacing:.16em;
}
.csg-status__v{color:rgba(35,224,200,.92)}
.csg-header__actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

.csg-header__main{position:relative}
.csg-header__main-inner{
  display:flex;align-items:center;gap:16px;
  min-height:var(--header-h);padding:8px 0;
}
.csg-logo{display:inline-flex;align-items:center;gap:14px;min-width:0}
.csg-logo__stripes{
  flex:0 0 auto;width:14px;height:36px;
  background:repeating-linear-gradient(90deg,var(--red) 0 5px,var(--mist) 5px 10px);
  transform:skewX(-10deg);
}
.csg-logo__text{display:flex;flex-direction:column;line-height:1.12;min-width:0}
.csg-logo__cn{font-size:20px;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.csg-logo__en{
  font-family:var(--font-mono);font-size:9px;letter-spacing:.2em;
  color:var(--ink-faint);text-transform:uppercase;white-space:nowrap;
}

.csg-nav{margin-inline-start:auto}
.csg-nav__list{display:flex;align-items:center;gap:2px}
.csg-nav__link{
  position:relative;display:inline-flex;align-items:baseline;gap:6px;
  padding:12px;font-size:15px;font-weight:700;letter-spacing:.01em;
  color:var(--ink-dim);
  transition:color 160ms linear;
}
.csg-nav__num{font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;color:var(--steel)}
.csg-nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;
  background:var(--red);
  transform:skewX(-24deg) scaleX(0);transform-origin:left;
  transition:transform 220ms var(--ease),background 160ms linear;
}
.csg-nav__link:hover{color:var(--mist)}
.csg-nav__link:hover::after{transform:skewX(-24deg) scaleX(1)}
.csg-nav__link[aria-current="page"]{color:var(--mist)}
.csg-nav__link[aria-current="page"]::after{background:var(--cyan);transform:skewX(-24deg) scaleX(1)}
.csg-nav__link[aria-current="page"] .csg-nav__num{color:var(--cyan)}

.csg-nav-toggle{
  display:none;align-items:center;gap:10px;margin-inline-start:auto;
  padding:9px 12px;border:1px solid var(--line-strong);border-radius:var(--radius);
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--ink-dim);
  transition:color 160ms linear,border-color 160ms linear;
}
.csg-nav-toggle__bar{
  width:18px;height:8px;
  background:repeating-linear-gradient(180deg,var(--mist) 0 2px,transparent 2px 4px);
  transition:background 160ms linear;
}
.csg-nav-toggle.is-open{color:var(--mist);border-color:var(--cyan)}
.csg-nav-toggle.is-open .csg-nav-toggle__bar{background:repeating-linear-gradient(180deg,var(--cyan) 0 2px,transparent 2px 4px)}

.csg-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  pointer-events:none;opacity:0;transition:opacity 240ms linear;
}
.csg-progress.is-active{opacity:1}
.csg-progress__bar{
  display:block;width:100%;height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--lime));
  transform:scaleX(0);transform-origin:0 50%;
}

@media (max-width:1023px){
  .csg-brandline{font-size:12px}
  .csg-status{margin-inline-start:0;font-size:10px}
  .csg-header__actions .csg-btn{font-size:12px;padding:8px 12px}
  .csg-nav-toggle{display:inline-flex}
  .csg-nav{
    position:absolute;top:100%;
    left:calc(var(--gutter) * -1);right:calc(var(--gutter) * -1);
    margin:0;max-height:0;overflow:hidden;
    background:var(--graphite);
    border-bottom:1px solid var(--line);
    transition:max-height 340ms var(--ease);
  }
  .csg-nav[data-open="true"]{max-height:min(78vh,560px);overflow-y:auto}
  .csg-nav__list{flex-direction:column;align-items:stretch;gap:0;padding:6px var(--gutter) 22px}
  .csg-nav__link{
    display:flex;justify-content:flex-start;gap:12px;
    padding:15px 2px;font-size:17px;border-bottom:1px solid var(--line);
  }
  .csg-nav__link::after{
    left:auto;right:0;top:50%;bottom:auto;
    width:24px;height:2px;
    transform:translateY(-50%) skewX(-24deg) scaleX(0);
  }
  .csg-nav__link:hover::after{transform:translateY(-50%) skewX(-24deg) scaleX(1)}
  .csg-nav__link[aria-current="page"]::after{transform:translateY(-50%) skewX(-24deg) scaleX(1)}
}
@media (min-width:1024px){
  .csg-nav{position:static;max-height:none;overflow:visible;background:none;border:0}
}

/* ---------- 6. 按钮 ---------- */
.csg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 16px;border:1px solid var(--line-strong);border-radius:var(--radius);
  font-size:13px;font-weight:700;line-height:1.25;letter-spacing:.02em;
  color:var(--mist);background:transparent;text-align:center;
  transition:background 180ms linear,border-color 180ms linear,color 180ms linear;
}
.csg-btn:hover{border-color:var(--cyan);background:rgba(35,224,200,.10)}
.csg-btn--lime{background:var(--lime);border-color:var(--lime);color:#0B0D11}
.csg-btn--lime:hover{background:#F1FF8A;border-color:#F1FF8A;color:#0B0D11}
.csg-btn--primary{background:var(--red);border-color:var(--red);color:#fff}
.csg-btn--primary:hover{background:var(--red-deep);border-color:var(--red-deep)}
.csg-btn--outline{border-color:var(--line-strong);color:var(--mist)}
.csg-btn--ghost{
  border-color:transparent;color:var(--ink-dim);
  text-decoration:underline;text-decoration-color:rgba(242,244,247,.3);text-underline-offset:4px;
}
.csg-btn--ghost:hover{color:var(--mist);background:rgba(242,244,247,.06);border-color:var(--line)}
.csg-btn--block{width:100%}

/* ---------- 7. 分区与排版组件 ---------- */
.csg-section{position:relative;padding-block:clamp(56px,8vw,112px)}
.csg-section--tight{padding-block:clamp(30px,4vw,56px)}
.csg-section--night{background:var(--night)}
.csg-section--edge{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.csg-section--light{background:var(--mist);color:var(--dark-text)}
.csg-section--light .csg-text,
.csg-section--light .csg-lead,
.csg-section--light .csg-prose p{color:var(--dark-text-dim)}
.csg-section--light .csg-eyebrow{color:var(--red)}
.csg-section--light .csg-title{color:var(--dark-text)}
.csg-section--light .csg-rule{background:var(--line-dark)}
.csg-section--light .csg-num{color:var(--dark-text)}

.csg-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--cyan);
}
.csg-title{
  margin-block:16px 14px;
  font-size:clamp(28px,4.2vw,56px);font-weight:900;
  letter-spacing:-.02em;line-height:1.06;
}
.csg-title--hero{font-size:clamp(52px,11vw,128px);line-height:.94;letter-spacing:-.03em}
.csg-title--outline{color:transparent;-webkit-text-stroke:1px rgba(242,244,247,.6)}
.csg-section--light .csg-title--outline{-webkit-text-stroke:1px rgba(22,26,32,.45)}
.csg-subtitle{margin-block:14px 10px;font-size:clamp(20px,2.4vw,28px);font-weight:800;letter-spacing:-.01em;line-height:1.25}
.csg-lead{max-width:44em;font-size:clamp(16px,1.5vw,19px);line-height:1.78;color:var(--ink-dim)}
.csg-text{font-size:16px;line-height:1.85;color:var(--ink-dim)}
.csg-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint)}

.csg-num{
  display:block;font-family:var(--font-mono);font-weight:700;
  font-size:clamp(32px,5vw,72px);line-height:1;letter-spacing:-.02em;color:var(--mist);
}
.csg-num--xl{font-size:clamp(56px,10vw,120px);color:var(--cyan)}
.csg-num--lime{color:var(--lime)}
.csg-num__unit{
  margin-left:.4em;font-family:var(--font-sans);font-weight:700;
  font-size:.32em;letter-spacing:.06em;color:var(--ink-faint);
}

.csg-rule{height:1px;border:0;background:var(--line);margin-block:clamp(24px,4vw,48px)}
.csg-stripes{
  height:10px;
  background:repeating-linear-gradient(115deg,var(--red) 0 10px,var(--mist) 10px 20px);
}
.csg-grain{position:relative}
.csg-grain::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:
    repeating-radial-gradient(circle at 18% 28%,rgba(255,255,255,.9) 0 1px,transparent 1px 3px),
    repeating-linear-gradient(45deg,rgba(255,255,255,.5) 0 1px,transparent 1px 4px);
  mix-blend-mode:overlay;
}

/* ---------- 8. 徽标 / 卡片 / 目录 / 旁注 / 键值 ---------- */
.csg-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 9px;border:1px solid var(--line-strong);border-radius:999px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-dim);
}
.csg-badge--cyan{border-color:rgba(35,224,200,.45);background:rgba(35,224,200,.08);color:var(--cyan)}
.csg-badge--lime{border-color:rgba(232,255,82,.5);background:rgba(232,255,82,.08);color:var(--lime)}
.csg-badge--red{border-color:rgba(217,30,46,.55);background:rgba(217,30,46,.16);color:#FF96A0}

.csg-card{
  padding:clamp(20px,3vw,28px);
  background:var(--night);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-soft);
}
.csg-card--offset{margin-top:clamp(14px,2.5vw,34px)}
.csg-card--light{background:#fff;border-color:var(--line-dark);color:var(--dark-text)}
.csg-card--light .csg-text,.csg-card--light .csg-lead{color:var(--dark-text-dim)}

.csg-index{display:grid;gap:0;border-top:1px solid var(--line)}
.csg-index__item{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  gap:14px;align-items:baseline;padding:14px 2px;
  border-bottom:1px solid var(--line);
  transition:background 180ms linear,box-shadow 180ms linear;
}
.csg-index__item:hover{background:rgba(242,244,247,.04)}
.csg-index__item[aria-current="true"]{background:rgba(35,224,200,.07);box-shadow:inset 2px 0 0 0 var(--cyan)}
.csg-index__num{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--cyan)}

.csg-note{
  padding:16px 18px;border-left:2px solid var(--red);
  background:rgba(217,30,46,.08);
  font-size:14px;line-height:1.75;color:var(--ink-dim);
}
.csg-note--cyan{border-left-color:var(--cyan);background:rgba(35,224,200,.07)}

.csg-kv{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 16px;align-items:baseline;font-size:14px}
.csg-kv__k{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}
.csg-kv__v{color:var(--ink-dim);line-height:1.7;word-break:break-word}

.csg-stack{display:grid;gap:16px}
.csg-stack--lg{gap:clamp(24px,4vw,44px)}

/* ---------- 9. 网格 ---------- */
.csg-grid{display:grid;gap:clamp(18px,2.4vw,28px)}
.csg-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.csg-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.csg-grid--split{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.csg-grid--offset{grid-template-columns:minmax(0,4fr) minmax(0,5fr);gap:clamp(20px,4vw,56px)}
@media (max-width:900px){
  .csg-grid--3,.csg-grid--split,.csg-grid--offset{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:600px){
  .csg-grid--2{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 10. 面包屑 / 正文列 ---------- */
.csg-crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--ink-faint);
}
.csg-crumbs__item{display:inline-flex;align-items:center;gap:8px}
.csg-crumbs__item + .csg-crumbs__item::before{content:"/";color:var(--line-strong)}
.csg-crumbs a:hover{color:var(--cyan)}

.csg-prose{max-width:var(--measure)}
.csg-prose p{margin-bottom:1.15em;font-size:16px;line-height:1.85;color:var(--ink-dim)}
.csg-prose h2{margin:1.6em 0 .6em;font-size:clamp(22px,2.6vw,28px);font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--mist)}
.csg-prose h3{margin:1.4em 0 .5em;font-size:19px;font-weight:800;line-height:1.35;color:var(--mist)}
.csg-prose ul,.csg-prose ol{margin:0 0 1.15em;padding-left:1.2em;color:var(--ink-dim)}
.csg-prose ul li{list-style:none;position:relative;margin-bottom:.5em;line-height:1.8}
.csg-prose ul li::before{content:"";position:absolute;left:-1.05em;top:.72em;width:8px;height:2px;background:var(--red);transform:skewX(-24deg)}
.csg-prose ol{counter-reset:csg-prose}
.csg-prose ol li{list-style:decimal;margin-bottom:.5em;line-height:1.8}
.csg-prose a{color:var(--cyan);text-decoration:underline;text-decoration-color:rgba(35,224,200,.4);text-underline-offset:3px}
.csg-prose blockquote{
  margin:1.4em 0;padding:14px 18px;border-left:2px solid var(--steel);
  background:rgba(76,107,138,.10);color:var(--ink-dim);
}
.csg-section--light .csg-prose h2,.csg-section--light .csg-prose h3{color:var(--dark-text)}

/* ---------- 11. 图片容器（页面阶段放置图片） ---------- */
.csg-media{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);
  background:
    linear-gradient(135deg,rgba(217,30,46,.24),rgba(19,26,36,.55) 46%,rgba(35,224,200,.12)),
    repeating-linear-gradient(115deg,rgba(242,244,247,.06) 0 8px,transparent 8px 16px);
}
.csg-media__inner{position:absolute;inset:0}
.csg-media img,.csg-media video{width:100%;height:100%;object-fit:cover}
.csg-media--16x9{aspect-ratio:16/9}
.csg-media--3x2{aspect-ratio:3/2}
.csg-media--4x5{aspect-ratio:4/5}
.csg-media--1x1{aspect-ratio:1/1}
.csg-media--tall{aspect-ratio:3/4}
.csg-media__stripes{
  position:absolute;left:0;right:0;bottom:0;height:54px;pointer-events:none;
  background:repeating-linear-gradient(90deg,rgba(217,30,46,.85) 0 12px,transparent 12px 24px);
}
.csg-media__caption{
  position:absolute;left:0;right:0;bottom:0;padding:12px 14px;
  background:linear-gradient(180deg,transparent,rgba(14,17,22,.88));
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--ink-dim);
}

/* ---------- 12. 横向轨道 / 时间戳带 ---------- */
.csg-track{
  display:flex;gap:18px;overflow-x:auto;
  scroll-snap-type:x proximity;padding:6px 0 18px;
  scrollbar-color:var(--steel) transparent;
}
.csg-track__item{flex:0 0 clamp(240px,32vw,360px);scroll-snap-align:start}
.csg-track::-webkit-scrollbar{height:6px}
.csg-track::-webkit-scrollbar-track{background:rgba(242,244,247,.06)}
.csg-track::-webkit-scrollbar-thumb{background:var(--steel)}

.csg-stamp-bar{
  display:flex;flex-wrap:wrap;gap:8px 24px;align-items:baseline;
  padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--ink-faint);
}
.csg-stamp-bar__key{color:var(--cyan);text-transform:uppercase;letter-spacing:.16em}
.csg-stamp-bar__val{color:var(--ink-dim)}

/* ---------- 13. 页脚 ---------- */
.csg-footer{
  position:relative;
  background:linear-gradient(180deg,var(--night) 0%,var(--graphite) 62%);
  border-top:1px solid var(--line);
  color:var(--ink-dim);font-size:14px;
}
.csg-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:repeating-linear-gradient(115deg,var(--red) 0 10px,var(--stripe-gray) 10px 20px,var(--red-deep) 20px 30px,var(--stripe-gray) 30px 40px);
  opacity:.85;
}
.csg-footer__inner{
  display:grid;gap:clamp(28px,4vw,44px);
  grid-template-columns:minmax(0,1.05fr) minmax(0,1.55fr) minmax(0,.95fr);
  padding:clamp(44px,6vw,74px) 0 clamp(28px,4vw,48px);
}
.csg-footer__logo{font-size:22px;font-weight:900;letter-spacing:-.02em;color:var(--mist)}
.csg-footer__en{
  margin-top:6px;font-family:var(--font-mono);font-size:10px;
  letter-spacing:.2em;text-transform:uppercase;color:var(--steel);
}
.csg-footer__tag{margin-top:12px;font-size:13px;color:var(--ink-faint)}
.csg-footer__stamp{
  margin-top:18px;padding:12px 14px;
  border:1px solid var(--line);border-left:2px solid var(--cyan);
  background:rgba(35,224,200,.05);
  font-size:12px;line-height:1.7;color:var(--ink-dim);
}
.csg-footer__stamp-k{
  display:block;margin-bottom:4px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--cyan);
}
.csg-footer__cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,36px)}
.csg-footer__col-title{
  margin-bottom:14px;padding-bottom:10px;
  border-bottom:1px solid var(--line);
  font-size:12px;font-weight:800;letter-spacing:.16em;
  text-transform:uppercase;color:var(--mist);
}
.csg-footer__list{display:grid;gap:10px}
.csg-footer__link{
  display:inline-block;font-size:13.5px;line-height:1.6;color:var(--ink-dim);
  transition:color 160ms linear;
}
.csg-footer__link:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(35,224,200,.45)}
.csg-footer__contact .csg-kv{gap:10px 14px}
.csg-footer__contact .csg-kv__v{font-size:13px}

.csg-footer__base{border-top:1px solid var(--line);background:rgba(14,17,22,.7)}
.csg-footer__base-inner{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 28px;
  padding:18px 0 26px;font-size:12px;
}
.csg-footer__legal{flex:1 1 420px;max-width:64ch;line-height:1.7;color:var(--ink-faint)}
.csg-footer__meta{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 18px;
  margin-inline-start:auto;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.02em;color:var(--ink-faint);
}
.csg-footer__metaitem{white-space:nowrap}
.csg-footer__metaitem:first-child{color:var(--ink-dim)}

@media (max-width:980px){
  .csg-footer__inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .csg-footer__contact{grid-column:1 / -1}
}
@media (max-width:640px){
  .csg-footer__inner{grid-template-columns:minmax(0,1fr);gap:32px}
  .csg-footer__cols{grid-template-columns:minmax(0,1fr);gap:24px}
  .csg-footer__meta{margin-inline-start:0}
}

/* ---------- 14. 显现动效 ---------- */
[data-reveal]{
  display:block;opacity:0;transform:translateY(24px);
  transition:opacity 320ms var(--ease),transform 320ms var(--ease);
  will-change:opacity,transform;
}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 15. 无障碍动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  [data-reveal]{opacity:1;transform:none}
}