/* ==========================================================================
   爱娱乐体育 · 赛场记录仪 — 共享样式 /assets/site.css
   夜间赛场控制室：深墨绿底 · 1px 极细边界 · 等宽仪表数字 · 荧光青脉冲
   ========================================================================== */

/* ---------- 01 · reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
hr{border:0;border-top:1px solid var(--line);margin:0}

/* ---------- 02 · 设计令牌 ---------- */
:root{
  --ink:#05140F;
  --panel:#0A1F18;
  --panel-2:#123026;
  --line:#1E4A3A;
  --fog:#E8F2EE;
  --fog-88:rgba(232,242,238,.88);
  --muted:#93A9A2;
  --cyan:#37F0D0;
  --orange:#FF7A45;
  --yellow:#FFD34D;
  --deep-orange:#C2410C;
  --cyan-line:rgba(55,240,208,.42);
  --orange-line:rgba(255,122,69,.48);
  --yellow-line:rgba(255,211,77,.5);
  --wrap-w:1200px;
  --gap:clamp(14px,2.2vw,26px);
  --pad-section:clamp(42px,6vw,84px);
  --radius:5px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC","Heiti SC",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.4,0,.2,1);
}

/* ---------- 03 · 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 560px at 10% -8%,rgba(55,240,208,.075),transparent 62%),
    radial-gradient(900px 520px at 92% 108%,rgba(255,122,69,.06),transparent 62%),
    repeating-linear-gradient(0deg,rgba(30,74,58,.13) 0,rgba(30,74,58,.13) 1px,transparent 1px,transparent 58px),
    repeating-linear-gradient(90deg,rgba(30,74,58,.13) 0,rgba(30,74,58,.13) 1px,transparent 1px,transparent 58px);
  color:var(--fog-88);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{font-family:var(--font-cn);color:var(--fog);font-weight:800;line-height:1.24;letter-spacing:-.01em;overflow-wrap:break-word}
p{overflow-wrap:break-word}
strong{color:var(--fog);font-weight:700}
::selection{background:var(--cyan);color:var(--ink)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:2px}

.display{font-size:clamp(2.4rem,6vw,5.2rem);font-weight:800;letter-spacing:-.02em;line-height:1.04;text-shadow:0 0 24px rgba(55,240,208,.18)}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.02em}
.num--score{font-size:clamp(3rem,9vw,6.5rem);line-height:1;color:var(--fog);display:inline-block}
.stamp{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}
.eyebrow{display:inline-block;font-size:11px;letter-spacing:.24em;color:var(--muted);text-transform:uppercase}
.vert-label{writing-mode:vertical-rl;font-size:12px;letter-spacing:.3em;color:var(--muted);text-transform:uppercase}

/* ---------- 04 · 布局工具 ---------- */
.wrap{width:100%;max-width:var(--wrap-w);margin-inline:auto;padding-inline:clamp(16px,4vw,32px)}
.section{padding-block:var(--pad-section)}
.section--tight{padding-block:clamp(28px,4vw,52px)}
.rule{border-top:1px solid var(--line);height:0}

.section-head{display:flex;align-items:flex-start;gap:clamp(12px,2vw,22px);margin-bottom:clamp(20px,3vw,38px)}
.section-head__num{flex:0 0 auto;font-family:var(--font-mono);font-size:13px;letter-spacing:.3em;color:var(--muted);padding-top:.45em;transition:color .45s linear}
.section-head__title{font-size:clamp(1.4rem,2.7vw,2.15rem);font-weight:800;color:var(--fog)}
.section-head__sub{margin-top:8px;font-size:13.5px;color:var(--muted);max-width:62ch}

.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.grid--split-r{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.stack{display:flex;flex-direction:column;gap:var(--gap)}
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.row--between{justify-content:space-between}

/* ---------- 05 · 按钮 / 标签 / 开关 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel-2);color:var(--fog);
  font-size:14px;font-weight:600;letter-spacing:.02em;line-height:1.2;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn:hover{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan-line),0 0 20px rgba(55,240,208,.12)}
.btn:active{background:var(--deep-orange);border-color:var(--deep-orange);color:#fff}
.btn--primary{background:var(--yellow);border-color:var(--yellow);color:#1B1300;font-weight:700}
.btn--primary:hover{background:#FFDD75;border-color:#FFDD75;color:#1B1300;box-shadow:0 0 0 1px var(--yellow-line),0 0 22px rgba(255,211,77,.2)}
.btn--primary:active{background:var(--deep-orange);border-color:var(--deep-orange);color:#fff}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--muted)}
.btn--ghost:hover{color:var(--fog);border-color:var(--cyan)}
.btn--sm{padding:8px 13px;font-size:13px}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border:1px solid var(--line);border-radius:3px;
  font-size:11px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;line-height:1.6;
}
.tag--live{color:var(--orange);border-color:var(--orange-line)}
.tag--done{color:var(--muted)}
.tag--sub{color:var(--yellow);border-color:var(--yellow-line)}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto}

.switch{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
.switch button{
  padding:9px 16px;font-size:13px;letter-spacing:.04em;color:var(--muted);
  border-right:1px solid var(--line);
  transition:background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.switch button:last-child{border-right:0}
.switch button:hover{color:var(--fog);background:var(--panel-2)}
.switch button[aria-pressed="true"],.switch button.is-active{background:var(--panel-2);color:var(--orange);box-shadow:inset 0 -2px 0 var(--orange)}

.subscribe-toggle{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 15px;border:1px solid var(--line);border-radius:var(--radius);
  background:transparent;color:var(--muted);font-size:13px;letter-spacing:.06em;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.subscribe-toggle:hover{color:var(--fog);border-color:var(--cyan)}
.subscribe-toggle[data-subscribed="true"]{
  border-color:var(--yellow);color:var(--yellow);background:rgba(255,211,77,.06);
  animation:pulseOnce .52s var(--ease);
}
@keyframes pulseOnce{
  0%{box-shadow:0 0 0 0 rgba(255,211,77,.5)}
  100%{box-shadow:0 0 0 11px rgba(255,211,77,0)}
}

/* ---------- 06 · 页头 ---------- */
.site-header{position:relative;z-index:60;background:var(--ink);border-bottom:1px solid var(--line)}

.header-status{background:var(--panel);border-bottom:1px solid var(--line)}
.header-status__inner{
  display:flex;align-items:center;gap:10px;
  min-height:34px;padding-block:6px;
  font-size:12px;letter-spacing:.06em;color:var(--muted);
}
.header-status__text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.header-status__clock{
  margin-left:auto;flex:0 0 auto;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--cyan);
}
.pulse{
  flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--orange);
  animation:pulseDot 2.1s var(--ease) infinite;
}
@keyframes pulseDot{
  0%{box-shadow:0 0 0 0 rgba(255,122,69,.55)}
  70%{box-shadow:0 0 0 8px rgba(255,122,69,0)}
  100%{box-shadow:0 0 0 0 rgba(255,122,69,0)}
}

.header-top__inner{display:flex;align-items:center;gap:clamp(12px,2vw,26px);padding-block:14px}

.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{
  display:grid;place-items:center;width:36px;height:36px;flex:0 0 auto;
  border:1px solid var(--cyan);border-radius:3px;
  color:var(--cyan);font-size:16px;font-weight:700;line-height:1;
  box-shadow:inset 0 0 12px rgba(55,240,208,.14);
}
.brand__text{display:flex;flex-direction:column;line-height:1.16}
.brand__name{font-size:1.05rem;font-weight:800;color:var(--fog);letter-spacing:.01em}
.brand__sub{font-size:11px;letter-spacing:.26em;color:var(--muted)}
.brand__tagline{
  padding-left:clamp(10px,1.6vw,20px);border-left:1px solid var(--line);
  font-size:12.5px;letter-spacing:.08em;color:var(--muted);
}

.utility-nav{margin-left:auto}
.utility-nav__list{display:flex;align-items:center;gap:clamp(8px,1.4vw,20px)}
.utility-nav__list a{
  display:block;padding:4px 2px;border-bottom:1px solid transparent;
  font-size:12.5px;letter-spacing:.08em;color:var(--muted);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.utility-nav__list a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.utility-nav__list a[aria-current="page"]{color:var(--fog);border-bottom-color:var(--cyan)}

.nav-toggle{
  display:none;margin-left:auto;align-items:center;gap:9px;
  padding:9px 12px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);color:var(--fog);font-size:12.5px;letter-spacing:.14em;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle__bars{display:flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle__bars i{display:block;height:1.5px;width:100%;background:var(--cyan);transition:transform .24s var(--ease),opacity .24s var(--ease)}
.nav-toggle__label{white-space:nowrap}
.site-header[data-open="true"] .nav-toggle{border-color:var(--cyan);color:var(--cyan)}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

.header-main{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,31,24,.9),rgba(5,20,15,.95));
}
.header-main__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:8px}
.site-nav{min-width:0}
.site-nav__list{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.site-nav__list a{
  position:relative;display:block;padding:10px 14px;
  border:1px solid transparent;border-radius:3px;
  font-size:14.5px;color:var(--muted);
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.site-nav__list a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .22s var(--ease);
}
.site-nav__list a:hover{color:var(--fog);background:var(--panel);border-color:var(--line)}
.site-nav__list a:hover::after{transform:scaleX(1)}
.site-nav__list a[aria-current="page"]{color:var(--fog);background:var(--panel-2);border-color:var(--line);font-weight:600}
.site-nav__list a[aria-current="page"]::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}

/* ---------- 07 · 页脚 ---------- */
.site-footer{
  position:relative;margin-top:clamp(48px,7vw,96px);
  border-top:1px solid var(--line);background:var(--panel);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(55,240,208,.16) 46%,transparent 82%);
  pointer-events:none;
}
.footer-top{
  display:grid;grid-template-columns:minmax(230px,1.05fr) minmax(0,2.6fr);
  gap:clamp(24px,4vw,56px);
  padding-block:clamp(32px,5vw,58px);
}
.footer-brand{display:flex;flex-direction:column;gap:16px}
.footer-brand__note{font-size:13.5px;line-height:1.8;color:var(--muted);max-width:34ch}
.footer-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2vw,28px)}
.footer-col__title{
  font-size:11px;font-weight:700;letter-spacing:.24em;color:var(--cyan);
  padding-bottom:10px;margin-bottom:10px;border-bottom:1px solid var(--line);
}
.footer-col__list li + li{margin-top:2px}
.footer-col__list a{
  display:block;padding:5px 0;font-size:14px;color:var(--muted);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.footer-col__list a:hover{color:var(--fog);padding-left:5px}

.footer-contact{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(14px,2vw,26px);
  padding-block:clamp(20px,3vw,30px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.contact-item{display:flex;flex-direction:column;gap:5px;min-width:0}
.contact-item__k{font-size:11px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
.contact-item__v{font-size:14px;color:var(--fog);word-break:break-word}
.footer-contact__note{
  grid-column:1 / -1;font-size:12.5px;line-height:1.7;color:var(--muted);max-width:78ch;
}

.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-block:18px;font-size:12px;color:var(--muted);
}
.footer-bottom__legal{font-family:var(--font-mono);letter-spacing:.06em}
.footer-bottom__copy{letter-spacing:.06em}
.footer-bottom__links{display:flex;gap:16px;flex-wrap:wrap}
.footer-bottom__links a{border-bottom:1px solid transparent;transition:color .18s var(--ease),border-color .18s var(--ease)}
.footer-bottom__links a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

/* ---------- 08 · 通用组件 ---------- */
.skip-link{
  position:absolute;left:14px;top:-70px;z-index:300;
  padding:10px 16px;border-radius:4px;
  background:var(--cyan);color:var(--ink);font-size:14px;font-weight:700;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px}

.scroll-progress{
  position:fixed;left:0;top:0;z-index:220;width:100%;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--yellow));
  pointer-events:none;
}

.breadcrumb{margin-top:20px;font-size:12px;letter-spacing:.1em;color:var(--muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--line)}
.breadcrumb li:last-child::after{content:"";margin:0}
.breadcrumb a{transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb [aria-current="page"]{color:var(--fog)}

.prose{max-width:68ch;font-size:16.5px;line-height:1.85;color:var(--fog-88)}
.prose > * + *{margin-top:1.1em}
.prose h2{font-size:clamp(1.25rem,2.2vw,1.7rem);margin-top:2em}
.prose h3{font-size:1.1rem;margin-top:1.6em}
.prose a{color:var(--cyan);border-bottom:1px solid var(--cyan-line)}
.prose a:hover{border-bottom-color:var(--cyan)}
.prose ul,.prose ol{padding-left:1.35em;list-style:disc}
.prose ol{list-style:decimal}
.prose li + li{margin-top:.45em}
.prose blockquote{
  padding:14px 18px;border-left:2px solid var(--cyan);
  background:var(--panel-2);border-radius:0 var(--radius) var(--radius) 0;color:var(--fog);
}

.card{
  position:relative;
  padding:clamp(16px,2vw,24px);
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.card--flat{background:transparent}
.card--accent{border-color:var(--cyan-line);box-shadow:0 0 0 1px rgba(55,240,208,.08),inset 0 0 30px rgba(55,240,208,.04)}
.card__label{display:block;font-size:11px;letter-spacing:.22em;color:var(--muted);text-transform:uppercase;margin-bottom:10px}
.card__title{font-size:clamp(1.05rem,1.8vw,1.35rem);font-weight:800;color:var(--fog);line-height:1.35}
.card__meta{margin-top:10px;font-size:12.5px;color:var(--muted)}

.stat{display:flex;flex-direction:column;gap:5px;padding-block:12px}
.stat__value{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;font-size:clamp(1.5rem,3vw,2.2rem);line-height:1;color:var(--fog)}
.stat__label{font-size:11px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}

.media-frame{
  position:relative;overflow:hidden;isolation:isolate;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel-2);
  aspect-ratio:16 / 9;
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,20,15,0) 42%,rgba(5,20,15,.78));
}
.media-frame--plain::after{background:none}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame__cap{
  position:absolute;left:12px;right:12px;bottom:10px;z-index:2;
  font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;
}
.scanlines::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(232,242,238,.05) 0,rgba(232,242,238,.05) 1px,transparent 1px,transparent 4px);
}

.split{
  display:grid;grid-template-columns:minmax(0,1fr) 1px minmax(0,1fr);
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);overflow:hidden;
}
.split__side{padding:clamp(16px,2.2vw,26px)}
.split__side--home{background:rgba(55,240,208,.035)}
.split__side--away{background:rgba(255,122,69,.035)}
.split__divider{background:var(--line);width:1px}
.split__side-title{font-size:12px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase;margin-bottom:12px}

.ring{position:relative;width:var(--size,120px);height:var(--size,120px);flex:0 0 auto}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring__track{fill:none;stroke:var(--line);stroke-width:6}
.ring__value{
  fill:none;stroke:var(--cyan);stroke-width:6;stroke-linecap:round;
  transition:stroke-dashoffset .5s var(--ease),stroke .3s var(--ease);
}
.ring__value--orange{stroke:var(--orange)}
.ring__center{
  position:absolute;inset:0;display:grid;place-content:center;text-align:center;
  font-family:var(--font-mono);font-size:20px;font-weight:700;color:var(--fog);
}

.ticker{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--panel);
}
.ticker__track{display:flex;width:max-content;animation:tickerScroll 40s linear infinite}
.ticker:hover .ticker__track,.ticker:focus-within .ticker__track{animation-play-state:paused}
.ticker__item{
  display:flex;align-items:center;gap:12px;white-space:nowrap;
  padding:12px 22px;border-right:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.ticker__item b{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--fog);font-weight:700}
@keyframes tickerScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.accordion{border-top:1px solid var(--line)}
.accordion__item{border-bottom:1px solid var(--line)}
.accordion__btn{
  display:flex;align-items:center;gap:14px;width:100%;
  padding:16px 2px;text-align:left;
  font-size:15px;font-weight:600;color:var(--fog);
  transition:color .18s var(--ease);
}
.accordion__btn:hover{color:var(--cyan)}
.accordion__idx{flex:0 0 auto;font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--muted)}
.accordion__sign{position:relative;flex:0 0 auto;width:12px;height:12px;margin-left:auto}
.accordion__sign::before,.accordion__sign::after{content:"";position:absolute;background:var(--cyan);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.accordion__sign::before{left:0;top:5.5px;width:12px;height:1px}
.accordion__sign::after{left:5.5px;top:0;width:1px;height:12px}
.accordion__btn[aria-expanded="true"] .accordion__sign::after{transform:scaleY(0)}
.accordion__panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s var(--ease)}
.accordion__panel[data-open="true"]{grid-template-rows:1fr}
.accordion__inner{overflow:hidden}
.accordion__inner > *{padding-bottom:18px;font-size:15px;color:var(--muted);max-width:66ch}

.to-top{
  position:fixed;right:clamp(12px,2vw,22px);bottom:clamp(12px,2vw,22px);z-index:150;
  display:grid;place-items:center;width:42px;height:42px;
  border:1px solid var(--line);border-radius:4px;
  background:rgba(10,31,24,.92);color:var(--cyan);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease),border-color .18s var(--ease);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible}
.to-top:hover{border-color:var(--cyan)}

/* ---------- 09 · 显现动效 ---------- */
html.js-ready [data-reveal]{opacity:0;transition:opacity .45s linear}
html.js-ready [data-reveal].is-visible{opacity:1}
html.js-ready [data-reveal] .section-head__num{color:#2E4740}
html.js-ready [data-reveal].is-visible .section-head__num{color:var(--cyan)}
[data-filter-value][hidden]{display:none !important}

/* ---------- 10 · 响应式 ---------- */
@media (max-width:1060px){
  .footer-top{grid-template-columns:minmax(0,1fr)}
  .footer-nav{grid-template-columns:repeat(4,minmax(0,1fr))}
}

@media (max-width:920px){
  .brand__tagline{display:none}
  .utility-nav{display:none}
  .nav-toggle{display:inline-flex}

  .header-main__inner{flex-wrap:wrap;padding-block:10px}
  .header-actions{order:1}
  .site-nav{order:2;width:100%}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0;max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
  .site-header[data-open="true"] .site-nav__list{max-height:70vh;overflow-y:auto}
  .site-nav__list a{padding:13px 4px;border-radius:0;border-bottom:1px solid var(--line)}
  .site-nav__list a::after{left:4px;right:auto;width:22px;bottom:9px}
  .site-nav__list a:hover{background:transparent;border-color:transparent;border-bottom-color:var(--line)}
  .site-nav__list a[aria-current="page"]{background:transparent;border-color:transparent;border-bottom-color:var(--line)}
  .site-nav__list li:first-child a{border-top:1px solid var(--line)}

  .grid--2,.grid--3,.grid--4,.grid--split,.grid--split-r{grid-template-columns:minmax(0,1fr)}
  .split{grid-template-columns:minmax(0,1fr);grid-template-rows:auto 1px auto}
  .split__divider{width:auto;height:1px}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-contact{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (max-width:560px){
  body{font-size:15.5px}
  .header-status__clock{display:none}
  .header-status__text{font-size:11.5px}
  .brand__mark{width:32px;height:32px;font-size:14px}
  .brand__name{font-size:.98rem}
  .header-actions .btn{padding:8px 12px;font-size:12.5px}
  .footer-nav{grid-template-columns:minmax(0,1fr)}
  .grid--4{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 11 · 无障碍与动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .ticker__track{animation:none;transform:none}
  .pulse{animation:none}
  html.js-ready [data-reveal],
  html.js-ready [data-reveal] .section-head__num{opacity:1;color:var(--muted)}
  html.js-ready [data-reveal].is-visible .section-head__num{color:var(--muted)}
}