/* ==========================================================================
   竞猜赛场 · 共享站点层 /assets/site.css
   夜间赛场指挥台：深墨绿底 · 荧光青柠索引 · 冷灰蓝数据层
   ========================================================================== */

/* ---------- 1. Token ---------- */
:root{
  --ks-deep:#071A15;
  --ks-board:#0B2620;
  --ks-panel:#12352B;
  --ks-lime:#B8FF3D;
  --ks-orange:#FF6B35;
  --ks-steel:#93B7C9;
  --ks-mist:#D9E9DF;
  --ks-dim:#6E8F82;
  --ks-mint:#7DE0C3;
  --ks-gold:#F2C94C;
  --ks-help:#A8B8B0;
  --ks-glass:rgba(184,255,61,.12);
  --ks-glass-line:rgba(184,255,61,.28);
  --ks-line:rgba(147,183,201,.18);
  --ks-line-strong:rgba(147,183,201,.34);

  --ks-shell:1240px;
  --ks-gutter:24px;
  --ks-radius:3px;
  --ks-radius-lg:16px;
  --ks-header-h:72px;

  --ks-ease:cubic-bezier(.22,1,.36,1);
  --ks-fast:150ms;
  --ks-base:220ms;
  --ks-slow:320ms;

  --ks-font-display:"Barlow Condensed","Oswald","Noto Sans SC",sans-serif;
  --ks-font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ks-font-mono:"JetBrains Mono","IBM Plex Mono",SFMono-Regular,monospace;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html[data-nav-locked="true"]{overflow:hidden}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0}
ul[class],ol[class]{list-style:none}
img,svg,picture,video{display:block;max-width:100%}
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%}
::selection{background:var(--ks-lime);color:#071A15}
:focus-visible{outline:2px solid var(--ks-lime);outline-offset:3px;border-radius:2px}
@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}
}

/* ---------- 3. 中文排版基底 ---------- */
body{
  background:var(--ks-deep);
  color:var(--ks-mist);
  font-family:var(--ks-font-body);
  font-size:16px;
  line-height:1.6;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--ks-font-display);
  font-weight:700;
  line-height:1.06;
  letter-spacing:.005em;
  text-wrap:balance;
}
p{text-wrap:pretty}
strong{color:var(--ks-mist);font-weight:700}

.mono{font-family:var(--ks-font-mono);font-variant-numeric:tabular-nums}
.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. 布局容器与区块 ---------- */
.container{
  width:100%;
  max-width:var(--ks-shell);
  margin-inline:auto;
  padding-inline:var(--ks-gutter);
}
.container--narrow{max-width:820px}
.section{padding-block:clamp(48px,8vw,104px);position:relative}
.section__head{display:grid;gap:14px;max-width:62ch;margin-bottom:clamp(24px,4vw,44px)}
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:1fr}
.grid--3{grid-template-columns:1fr}
.stack{display:grid;gap:16px}
.divider{height:1px;background:var(--ks-line);border:0;margin-block:clamp(28px,5vw,56px)}
@media (min-width:720px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* ---------- 5. 标题语气件 ---------- */
.display-title{
  font-family:var(--ks-font-display);
  font-size:clamp(40px,7vw,96px);
  line-height:.94;
  letter-spacing:-.01em;
  font-weight:700;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--ks-font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--ks-steel);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--ks-lime)}
.section-num{
  font-family:var(--ks-font-mono);
  font-size:clamp(28px,4vw,56px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--ks-lime);
  opacity:.92;
}
.lede{
  font-size:clamp(16px,1.6vw,18px);
  line-height:1.62;
  color:rgba(217,233,223,.82);
  max-width:62ch;
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--ks-font-mono);font-size:13px;letter-spacing:.08em;
  color:var(--ks-lime);
  border-bottom:1px solid var(--ks-glass-line);
  padding-bottom:3px;
  transition:border-color var(--ks-base) var(--ks-ease),color var(--ks-base) var(--ks-ease);
}
.text-link::after{content:"→";transition:transform var(--ks-base) var(--ks-ease)}
.text-link:hover{border-bottom-color:var(--ks-lime)}
.text-link:hover::after{transform:translateX(4px)}

/* ---------- 6. 跳过链接 ---------- */
.skip-link{
  position:fixed;top:0;left:16px;z-index:1200;
  transform:translateY(-140%);
  background:var(--ks-lime);color:#071A15;
  font-family:var(--ks-font-mono);font-size:13px;letter-spacing:.08em;
  padding:12px 18px;border-radius:0 0 var(--ks-radius) var(--ks-radius);
  transition:transform var(--ks-base) var(--ks-ease);
}
.skip-link:focus-visible{transform:translateY(0);outline-offset:2px}

/* ---------- 7. 页头 ---------- */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:900;
  background:linear-gradient(180deg,rgba(7,26,21,.88) 0%,rgba(7,26,21,.42) 62%,rgba(7,26,21,0) 100%);
  border-bottom:1px solid transparent;
  transition:background var(--ks-base) var(--ks-ease),
             border-color var(--ks-base) var(--ks-ease),
             backdrop-filter var(--ks-base) var(--ks-ease);
}
.site-header[data-scrolled="true"],
.site-header[data-open="true"]{
  background:rgba(7,26,21,.94);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--ks-line);
}
.site-header__inner{
  width:100%;
  max-width:var(--ks-shell);
  margin-inline:auto;
  min-height:var(--ks-header-h);
  padding-inline:var(--ks-gutter);
  display:flex;
  align-items:center;
  gap:20px;
}

/* 进度条 */
.scroll-meter{
  position:fixed;top:0;left:0;right:0;height:2px;
  background:rgba(147,183,201,.14);
  z-index:950;pointer-events:none;
}
.scroll-meter__fill{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--ks-lime) 0%,var(--ks-mint) 58%,var(--ks-orange) 100%);
}

/* 品牌 */
.brand{
  display:inline-flex;align-items:center;gap:12px;
  flex:0 0 auto;
  color:var(--ks-mist);
}
.brand__mark{
  display:grid;place-items:center;
  width:38px;height:38px;
  font-family:var(--ks-font-mono);font-size:13px;letter-spacing:.06em;
  color:var(--ks-lime);
  background:var(--ks-glass);
  border:1px solid var(--ks-glass-line);
  border-radius:var(--ks-radius);
}
.brand__text{display:grid;gap:2px;min-width:0}
.brand__wordmark{
  font-family:var(--ks-font-display);
  font-size:19px;font-weight:700;line-height:1.1;letter-spacing:.04em;
  white-space:nowrap;
}
.brand__tagline{
  font-family:var(--ks-font-mono);
  font-size:10px;letter-spacing:.14em;
  color:var(--ks-steel);
  white-space:nowrap;
}

/* 主导航 */
.site-nav{
  display:flex;align-items:center;gap:18px;
  margin-left:auto;
}
.site-nav__list{display:flex;align-items:center;gap:2px}
.site-nav__link{
  position:relative;
  display:inline-flex;align-items:baseline;gap:6px;
  padding:10px 12px;
  font-size:14px;line-height:1.2;
  color:rgba(217,233,223,.78);
  transition:color var(--ks-base) var(--ks-ease);
}
.site-nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--ks-lime);
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--ks-slow) var(--ks-ease);
}
.site-nav__link:hover{color:var(--ks-lime)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--ks-lime)}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.site-nav__index{
  font-family:var(--ks-font-mono);font-size:10px;letter-spacing:.1em;
  color:var(--ks-dim);
}
.site-nav__link[aria-current="page"] .site-nav__index{color:var(--ks-lime);opacity:.75}
.site-nav__actions{display:none;gap:10px;flex-wrap:wrap}

/* 右侧行动区 */
.site-header__actions{
  display:flex;align-items:center;gap:10px;
  margin-left:auto;
}
.site-nav + .site-header__actions{margin-left:0}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;
  font-family:var(--ks-font-mono);
  font-size:13px;letter-spacing:.08em;line-height:1;
  color:var(--ks-mist);
  background:transparent;
  border:1px solid var(--ks-glass-line);
  border-radius:2px;
  transition:background var(--ks-fast) var(--ks-ease),
             color var(--ks-fast) var(--ks-ease),
             border-color var(--ks-fast) var(--ks-ease),
             transform var(--ks-fast) var(--ks-ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{
  background:var(--ks-lime);color:#071A15;border-color:var(--ks-lime);
  font-weight:700;
}
.btn--primary:hover{background:#c9ff6b;box-shadow:0 0 0 3px rgba(184,255,61,.16)}
.btn--ghost{
  background:var(--ks-glass);color:var(--ks-lime);border-color:var(--ks-glass-line);
}
.btn--ghost:hover{background:rgba(184,255,61,.2);border-color:var(--ks-lime)}
.btn--compact{padding:9px 15px;font-size:12px}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;
  align-items:center;gap:8px;
  min-height:40px;padding:0 14px;
  font-family:var(--ks-font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--ks-lime);
  background:var(--ks-glass);
  border:1px solid var(--ks-glass-line);
  border-radius:999px;
  transition:background var(--ks-fast) var(--ks-ease),border-color var(--ks-fast) var(--ks-ease);
}
.nav-toggle:hover{background:rgba(184,255,61,.2);border-color:var(--ks-lime)}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bar{
  display:block;height:2px;width:16px;
  background:var(--ks-lime);
  transition:transform var(--ks-base) var(--ks-ease),opacity var(--ks-base) var(--ks-ease);
}
.site-header[data-open="true"] .nav-toggle__bar:first-child{transform:translateY(3px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bar:last-child{transform:translateY(-3px) rotate(-45deg)}

/* 桌面侧边场次索引 */
.side-dock{display:none}

/* 移动端悬浮胶囊 */
.mobile-dock{
  display:none;
  position:fixed;right:16px;bottom:16px;z-index:890;
  align-items:center;gap:4px;padding:5px;
  background:rgba(11,38,32,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--ks-glass-line);
  border-radius:999px;
  box-shadow:0 12px 32px rgba(0,0,0,.42);
}
.mobile-dock__link{
  padding:10px 16px;
  font-family:var(--ks-font-mono);font-size:12px;letter-spacing:.08em;
  color:var(--ks-mist);border-radius:999px;
  transition:background var(--ks-fast) var(--ks-ease),color var(--ks-fast) var(--ks-ease);
}
.mobile-dock__link:first-child{background:var(--ks-lime);color:#071A15;font-weight:700}
.mobile-dock__link:last-child{color:var(--ks-lime)}

/* ---------- 8. 页头断点 ---------- */
@media (max-width:1099px){
  .site-nav__link{padding:10px 9px;font-size:13px}
  .site-nav__index{display:none}
}

@media (max-width:899px){
  :root{--ks-header-h:64px;--ks-gutter:20px}
  body{padding-bottom:88px}
  .site-header__actions .btn--primary{display:none}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;
    top:var(--ks-header-h);left:0;right:0;
    display:block;
    margin-left:0;
    max-height:calc(100vh - var(--ks-header-h));
    overflow-y:auto;
    padding:16px var(--ks-gutter) 28px;
    background:rgba(9,31,25,.99);
    border-bottom:1px solid var(--ks-line);
    opacity:0;visibility:hidden;pointer-events:none;
    transform:translateY(-10px);
    transition:opacity var(--ks-base) var(--ks-ease),
               transform var(--ks-base) var(--ks-ease),
               visibility var(--ks-base) linear;
  }
  .site-header[data-open="true"] .site-nav{
    opacity:1;visibility:visible;pointer-events:auto;transform:none;
  }
  .site-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav__link{
    display:flex;align-items:center;gap:12px;
    padding:15px 12px;
    font-size:16px;
    border-bottom:1px solid rgba(147,183,201,.1);
  }
  .site-nav__link::after{left:12px;right:auto;width:24px;bottom:8px}
  .site-nav__index{display:inline;font-size:11px;color:var(--ks-steel)}
  .site-nav__actions{display:flex;padding-top:18px}
  .site-nav__actions .btn{flex:1 1 auto;justify-content:center}
  .mobile-dock{display:flex}
  .brand__tagline{display:none}
}

@media (min-width:1360px){
  .side-dock{
    display:block;
    position:fixed;
    right:26px;
    top:calc(var(--ks-header-h) + 56px);
    z-index:880;
    width:158px;
    padding:16px 14px;
    background:rgba(11,38,32,.72);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--ks-line);
    border-radius:14px;
  }
  .side-dock__label{
    font-family:var(--ks-font-mono);font-size:10px;letter-spacing:.2em;
    color:var(--ks-dim);text-transform:uppercase;
    padding-bottom:10px;margin-bottom:10px;
    border-bottom:1px solid var(--ks-line);
  }
  .side-dock__list{display:grid;gap:2px}
  .side-dock__link{
    display:flex;align-items:center;gap:8px;
    padding:9px 8px;border-radius:8px;
    font-size:13px;color:rgba(217,233,223,.78);
    transition:background var(--ks-fast) var(--ks-ease),color var(--ks-fast) var(--ks-ease);
  }
  .side-dock__link:hover{background:var(--ks-glass);color:var(--ks-lime)}
  .side-dock__num{
    font-family:var(--ks-font-mono);font-size:10px;letter-spacing:.08em;
    color:var(--ks-dim);
  }
  .side-dock__link:hover .side-dock__num{color:var(--ks-lime)}
}

/* ---------- 9. 页脚 ---------- */
.site-footer{
  position:relative;
  isolation:isolate;
  margin-top:clamp(64px,9vw,132px);
  background:var(--ks-board);
  border-top:1px solid var(--ks-line);
  color:var(--ks-mist);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(147,183,201,.07) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(147,183,201,.07) 1px,transparent 1px),
    radial-gradient(120% 90% at 82% -20%,rgba(184,255,61,.12),transparent 62%),
    radial-gradient(90% 70% at 4% 108%,rgba(255,107,53,.1),transparent 60%);
  background-size:64px 64px,64px 64px,100% 100%,100% 100%;
}
.site-footer__inner{
  position:relative;
  width:100%;
  max-width:var(--ks-shell);
  margin-inline:auto;
  padding:clamp(40px,6vw,72px) var(--ks-gutter) 28px;
  display:grid;
  gap:clamp(28px,4vw,44px);
}
.footer-brand{display:grid;gap:14px;align-content:start;max-width:40ch}
.footer-brand__mark{
  font-family:var(--ks-font-display);
  font-size:clamp(22px,3vw,28px);font-weight:700;letter-spacing:.05em;
  color:var(--ks-mist);
}
.footer-brand__line{
  font-size:14px;line-height:1.65;
  color:rgba(217,233,223,.78);
}
.footer-brand__note{
  font-family:var(--ks-font-mono);
  font-size:11px;letter-spacing:.11em;line-height:1.8;
  color:var(--ks-dim);
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(20px,3vw,32px);
}
.footer-col{min-width:0}
.footer-col__title{
  display:flex;align-items:center;gap:8px;
  padding-bottom:10px;margin-bottom:12px;
  font-family:var(--ks-font-mono);
  font-size:11px;font-weight:400;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ks-dim);
  border-bottom:1px solid var(--ks-line);
}
.footer-col__title::before{
  content:"";width:5px;height:5px;background:var(--ks-lime);flex:0 0 auto;
}
.footer-list{display:grid;gap:2px}
.footer-link{
  display:inline-block;
  padding:6px 0;
  font-size:14px;
  color:rgba(217,233,223,.78);
  transition:color var(--ks-fast) var(--ks-ease),transform var(--ks-fast) var(--ks-ease);
}
.footer-link:hover{color:var(--ks-lime);transform:translateX(4px)}
.footer-contact{
  display:grid;gap:12px;
  padding-top:24px;
  border-top:1px solid var(--ks-line);
}
.footer-contact__row{
  display:flex;flex-wrap:wrap;gap:6px 16px;align-items:baseline;
}
.footer-contact__label{
  flex:0 0 auto;
  min-width:74px;
  font-family:var(--ks-font-mono);font-size:10px;letter-spacing:.18em;
  color:var(--ks-dim);text-transform:uppercase;
}
.footer-contact__value{
  flex:1 1 240px;
  font-family:var(--ks-font-mono);
  font-size:13px;line-height:1.7;
  color:var(--ks-steel);
  word-break:break-word;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;
  padding-top:20px;
  border-top:1px solid var(--ks-line);
  font-family:var(--ks-font-mono);
  font-size:11px;letter-spacing:.1em;
  color:var(--ks-dim);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 20px}
.footer-legal__item{color:var(--ks-dim)}
.footer-lang{color:var(--ks-steel)}

@media (min-width:620px){
  .footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (min-width:900px){
  .site-footer__inner{grid-template-columns:repeat(12,minmax(0,1fr))}
  .footer-brand{grid-column:1 / span 5}
  .footer-grid{grid-column:7 / span 6}
  .footer-contact{grid-column:1 / span 12}
  .footer-bottom{grid-column:1 / span 12}
}

/* ---------- 10. 面包屑 ---------- */
.breadcrumbs{
  padding-top:calc(var(--ks-header-h) + 20px);
  font-family:var(--ks-font-mono);
  font-size:11px;letter-spacing:.12em;
  color:var(--ks-dim);
}
.breadcrumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs__link{
  color:var(--ks-steel);
  transition:color var(--ks-fast) var(--ks-ease);
}
.breadcrumbs__link:hover{color:var(--ks-lime)}
.breadcrumbs__sep{color:var(--ks-dim);opacity:.7}
.breadcrumbs__item[aria-current="page"]{color:var(--ks-mist)}

/* ---------- 11. 内容层：卡片 / 面板 / 数据条 ---------- */
.card{
  background:var(--ks-panel);
  border:1px solid var(--ks-line);
  border-radius:var(--ks-radius-lg);
  padding:clamp(20px,3vw,30px);
}
.panel{
  background:var(--ks-glass);
  border:1px solid var(--ks-glass-line);
  border-radius:var(--ks-radius-lg);
  padding:clamp(20px,3vw,30px);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.data-strip{
  display:grid;
  gap:16px;
  padding-block:18px;
  border-top:1px solid var(--ks-line);
  border-bottom:1px solid var(--ks-line);
}
.data-strip__item{display:grid;gap:4px;min-width:0}
.data-strip__label{
  font-family:var(--ks-font-mono);
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ks-dim);
}
.data-strip__value{
  font-family:var(--ks-font-mono);
  font-size:clamp(18px,2.4vw,24px);line-height:1.15;
  color:var(--ks-mist);
  font-variant-numeric:tabular-nums;
}
@media (min-width:720px){
  .data-strip{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:24px}
}

/* ---------- 12. 标签与徽标 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;
  font-family:var(--ks-font-mono);
  font-size:10px;letter-spacing:.14em;line-height:1.3;
  border-radius:999px;
  border:1px solid currentColor;
  background:transparent;
  white-space:nowrap;
}
.badge--lime{color:var(--ks-lime)}
.badge--orange{color:var(--ks-orange)}
.badge--mint{color:var(--ks-mint)}
.badge--gold{color:var(--ks-gold)}
.badge--help{color:var(--ks-help)}
.badge--steel{color:var(--ks-steel)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;
  font-size:12px;letter-spacing:.12em;
  color:var(--ks-steel);
  background:rgba(147,183,201,.08);
  border:1px solid var(--ks-line);
  border-radius:2px;
}

/* ---------- 13. 可访问分段切换 ---------- */
.tabs{display:grid;gap:0}
.tabs__list{
  position:relative;
  display:flex;flex-wrap:wrap;gap:4px;
  padding-bottom:2px;
  border-bottom:1px solid var(--ks-line);
}
.tabs__tab{
  position:relative;
  padding:12px 16px;
  font-family:var(--ks-font-mono);
  font-size:12px;letter-spacing:.12em;
  color:var(--ks-steel);
  border-radius:2px 2px 0 0;
  transition:color var(--ks-fast) var(--ks-ease),background var(--ks-fast) var(--ks-ease);
}
.tabs__tab:hover{color:var(--ks-mist);background:rgba(147,183,201,.08)}
.tabs__tab[aria-selected="true"]{color:var(--ks-lime)}
.tabs__indicator{
  position:absolute;left:0;bottom:-1px;
  width:0;height:2px;
  background:var(--ks-lime);
  transition:transform var(--ks-slow) var(--ks-ease),width var(--ks-slow) var(--ks-ease);
  pointer-events:none;
}
.tabs__panel{padding-top:clamp(20px,3vw,32px)}
.tabs__panel[hidden]{display:none}

/* ---------- 14. 图片容器基础规则 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  background:
    radial-gradient(90% 120% at 20% 0%,rgba(184,255,61,.14),transparent 58%),
    linear-gradient(160deg,var(--ks-panel) 0%,var(--ks-deep) 100%);
  border:1px solid var(--ks-line);
  border-radius:var(--ks-radius-lg);
}
.media-frame::after{
  content:"";
  position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(115deg,rgba(147,183,201,.07) 0 1px,transparent 1px 7px);
  opacity:.65;
  mix-blend-mode:screen;
}
.media-frame__img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
  filter:saturate(1.02) contrast(1.03);
}
.media-frame__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:12px 16px;
  font-family:var(--ks-font-mono);
  font-size:11px;letter-spacing:.1em;
  color:var(--ks-steel);
  background:linear-gradient(0deg,rgba(7,26,21,.9),rgba(7,26,21,0));
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--square{aspect-ratio:1 / 1}

/* ---------- 15. 显现与滚动体验 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity var(--ks-slow) var(--ks-ease),transform var(--ks-slow) var(--ks-ease);
  will-change:opacity,transform;
}
[data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none;will-change:auto}
}