/* ==========================================================================
   星力电玩城 · CN 站共享样式 /assets/site.css
   基调：赛博街机厅 × 实测档案室｜左右分屏 · 玻璃层 + 实色层 · 段位色标尺
   ========================================================================== */

/* ---------- 1. RESET ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd,address{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;background:none;border:0;}
button{cursor:pointer;}
table{border-collapse:collapse;width:100%;}
[hidden]{display:none !important;}
:focus-visible{outline:2px solid var(--neon-cyan);outline-offset:3px;}

/* ---------- 2. 设计变量 ---------- */
:root{
  --ink-900:#0B0A12;
  --ink-800:#170F2B;
  --ink-700:#1E1440;
  --neon-purple:#A855F7;
  --neon-cyan:#22D3EE;
  --rank-orange:#FF8A3D;
  --pulse-magenta:#F43F7E;
  --glass-white:#EAF0FF;
  --archive-blue:#9AA3C7;
  --confirm-green:#34D399;
  --glass:rgba(255,255,255,.10);
  --glass-line:#6D5BA8;
  --line:rgba(109,91,168,.42);
  --line-soft:rgba(109,91,168,.20);
  --glow-purple:rgba(168,85,247,.55);
  --glow-cyan:rgba(34,211,238,.45);
  --font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-editorial:"Songti SC","Source Han Serif SC","Noto Serif SC",Georgia,SimSun,serif;
  --font-num:"Orbitron","Chakra Petch",ui-monospace,SFMono-Regular,Consolas,"Courier New",monospace;
  --w-page:1240px;
  --gutter:clamp(16px,4vw,40px);
  --radius-lg:18px;
  --radius:12px;
  --radius-sm:8px;
  --ease:cubic-bezier(.22,.72,.28,1);
}

/* ---------- 3. 基础与中文排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--glass-white);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(900px 520px at 10% -8%,rgba(168,85,247,.22),transparent 68%),
    radial-gradient(760px 480px at 94% 4%,rgba(34,211,238,.14),transparent 70%),
    radial-gradient(620px 420px at 58% 94%,rgba(244,63,126,.10),transparent 72%),
    linear-gradient(180deg,#0B0A12,#0E0B1B 42%,#0B0A12);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:900;line-height:1.2;color:var(--glass-white);}
::selection{background:var(--neon-purple);color:#0B0A12;}
#main-content{display:block;}

/* ---------- 4. 工具类 ---------- */
.visually-hidden{position:absolute !important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;}
.container{width:min(100% - (var(--gutter) * 2),var(--w-page));margin-inline:auto;}
.section{padding-block:clamp(40px,6vw,80px);}
.section--tight{padding-block:clamp(22px,3vw,40px);}
.muted{color:var(--archive-blue);}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.04em;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin-block:clamp(20px,3vw,36px);}

/* ---------- 5. 跳过链接 ---------- */
.skip-link{
  position:absolute;left:12px;top:-64px;z-index:200;
  padding:10px 18px;border-radius:0 0 var(--radius-sm) var(--radius-sm);
  background:var(--neon-cyan);color:#0B0A12;font-weight:700;font-size:14px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0;}

/* ---------- 6. 页头：双层信息导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  color:var(--glass-white);
  background:linear-gradient(180deg,rgba(23,15,43,.96),rgba(11,10,18,.93));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.scroll-progress{
  position:absolute;left:0;bottom:-1px;width:100%;height:2px;
  transform:scaleX(var(--progress,0));transform-origin:0 50%;
  background:linear-gradient(90deg,var(--neon-cyan),var(--neon-purple) 55%,var(--rank-orange));
  box-shadow:0 0 12px var(--glow-cyan);
}
.header-inner{width:min(100% - (var(--gutter) * 2),var(--w-page));margin-inline:auto;}
.header-brandlayer{
  display:grid;align-items:center;
  grid-template-columns:auto minmax(0,1fr) auto auto;
  grid-template-areas:"brand tagline utility cta";
  gap:12px 22px;
  padding:14px 0 12px;
}
.brand{grid-area:brand;display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:11px;font-family:var(--font-display);font-weight:900;font-size:20px;color:#0B0A12;
  background:linear-gradient(135deg,var(--neon-purple),var(--neon-cyan));
  box-shadow:0 0 20px var(--glow-purple);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-family:var(--font-display);font-weight:900;font-size:20px;letter-spacing:.05em;}
.brand-sub{font-size:12px;letter-spacing:.14em;color:var(--neon-cyan);font-family:var(--font-num);}
.brand-tagline{
  grid-area:tagline;
  font-family:var(--font-editorial);font-size:15px;color:var(--archive-blue);
  padding-left:18px;border-left:1px solid var(--line);
}
.header-utility{grid-area:utility;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-num);font-size:12.5px;letter-spacing:.02em;color:var(--archive-blue);}
.header-utility-item{white-space:nowrap;}
.header-utility-sep{color:var(--glass-line);}
.header-cta{grid-area:cta;justify-self:end;}
.nav-toggle{
  grid-area:toggle;display:none;align-items:center;gap:9px;
  padding:9px 15px;border-radius:999px;border:1px solid var(--neon-purple);
  background:rgba(168,85,247,.16);color:var(--glass-white);
  font-size:13.5px;letter-spacing:.1em;font-weight:700;
  transition:background-color .24s var(--ease),border-color .24s var(--ease);
}
.nav-toggle:hover{border-color:var(--neon-cyan);background:rgba(34,211,238,.14);}
.nav-toggle-bars{position:relative;width:18px;height:2px;border-radius:2px;background:var(--neon-cyan);box-shadow:0 -6px 0 var(--neon-cyan),0 6px 0 var(--neon-cyan);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:var(--rank-orange);box-shadow:0 -6px 0 var(--rank-orange),0 6px 0 var(--rank-orange);}
.nav-toggle-label{line-height:1;}
.primary-nav{border-top:1px solid var(--line-soft);background:rgba(11,10,18,.45);}
.nav-list{display:flex;flex-wrap:wrap;gap:6px;padding:8px 0;}
.nav-item{display:flex;}
.nav-link{
  position:relative;display:inline-block;padding:9px 16px;border-radius:999px;
  border:1px solid transparent;font-size:14.5px;letter-spacing:.08em;
  color:var(--glass-white);transition:color .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.nav-link:hover{color:#fff;border-color:var(--neon-cyan);background:rgba(34,211,238,.10);}
.nav-link[aria-current="page"]{
  color:#fff;border-color:var(--neon-purple);
  background:linear-gradient(120deg,rgba(168,85,247,.34),rgba(34,211,238,.16));
  box-shadow:0 0 0 1px rgba(168,85,247,.45),0 0 22px -8px var(--glow-purple);
}
.nav-link[aria-current="page"]::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;
  background:var(--rank-orange);box-shadow:0 0 10px rgba(255,138,61,.9);
}

/* ---------- 7. 页脚：档案式索引 ---------- */
.site-footer{
  margin-top:clamp(48px,7vw,96px);
  color:var(--archive-blue);
  border-top:1px solid var(--line);
  background:
    radial-gradient(720px 340px at 10% 0%,rgba(168,85,247,.20),transparent 70%),
    radial-gradient(620px 320px at 92% 10%,rgba(34,211,238,.12),transparent 72%),
    linear-gradient(180deg,var(--ink-800),var(--ink-900));
}
.footer-inner{
  width:min(100% - (var(--gutter) * 2),var(--w-page));margin-inline:auto;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.4fr);
  gap:clamp(28px,4vw,56px);
  padding:clamp(38px,5vw,60px) 0 28px;
}
.footer-brandcol{display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.footer-brand{font-family:var(--font-display);font-weight:900;font-size:26px;letter-spacing:.08em;color:var(--glass-white);}
.footer-tagline{font-family:var(--font-editorial);font-size:15px;color:var(--neon-cyan);}
.footer-note{font-size:14.5px;max-width:30em;}
.footer-cta{margin-top:6px;}
.footer-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:clamp(16px,2.4vw,26px);}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-col-title{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--neon-cyan);}
.footer-list{display:grid;gap:8px;}
.footer-list a{
  display:inline-block;font-size:14px;padding-left:0;border-left:2px solid transparent;
  transition:color .2s var(--ease),padding-left .2s var(--ease),border-color .2s var(--ease);
}
.footer-list a:hover{color:var(--glass-white);padding-left:8px;border-left-color:var(--rank-orange);}
.footer-bottom{
  grid-column:1 / -1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  margin-top:14px;padding-top:22px;border-top:1px dashed var(--line-soft);
}
.footer-contact{flex:1 1 100%;font-size:13.5px;line-height:1.8;}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13.5px;}
.footer-legal a{color:var(--glass-white);border-bottom:1px solid var(--glass-line);padding-bottom:2px;transition:color .2s var(--ease),border-color .2s var(--ease);}
.footer-legal a:hover{color:var(--neon-cyan);border-bottom-color:var(--neon-cyan);}
.footer-copy,.footer-icp{font-family:var(--font-num);font-size:13px;letter-spacing:.04em;color:var(--archive-blue);}

/* ---------- 8. 分屏与网格骨架 ---------- */
.split{
  display:grid;align-items:start;
  gap:clamp(24px,4vw,56px);
  grid-template-columns:minmax(0,var(--split-left,4fr)) minmax(0,var(--split-right,8fr));
}
.split--7-5{--split-left:7fr;--split-right:5fr;}
.split--5-7{--split-left:5fr;--split-right:7fr;}
.split--4-8{--split-left:4fr;--split-right:8fr;}
.grid{display:grid;gap:clamp(16px,2.4vw,28px);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.auto-grid{display:grid;gap:clamp(14px,2vw,24px);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}

/* ---------- 9. 标题与文本组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.2em;color:var(--neon-cyan);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--rank-orange);box-shadow:0 0 10px rgba(255,138,61,.8);}
.title-xl{
  font-size:clamp(34px,6vw,68px);line-height:1.06;letter-spacing:-.01em;
  text-shadow:0 0 1px var(--neon-purple),0 0 22px rgba(168,85,247,.45);
  animation:neon-pulse 5.5s ease-in-out infinite;
}
.section-title{font-size:clamp(22px,3vw,32px);letter-spacing:.01em;}
.lede{
  font-family:var(--font-editorial);
  font-size:clamp(16px,1.6vw,18px);line-height:1.9;
  color:var(--archive-blue);max-width:44em;
}

/* ---------- 10. 面板：玻璃层与实色层 ---------- */
.panel{
  position:relative;padding:clamp(18px,2.4vw,28px);
  border-radius:var(--radius-lg);border:1px solid var(--line-soft);
  background:var(--ink-700);
}
.panel--solid{background:linear-gradient(180deg,#1B1236,#140D2A);border-color:var(--line);}
.panel--glass{
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(12px) saturate(140%);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.panel--scan::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(234,240,255,.05) 0 1px,transparent 1px 4px);
  opacity:.55;
}
.panel-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 16px;margin-bottom:14px;}
.panel-title{font-size:clamp(17px,2vw,21px);}

/* ---------- 11. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.08em;
  transition:transform .18s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn--neon{
  color:#0B0A12;background:linear-gradient(120deg,var(--neon-purple),var(--neon-cyan));
  box-shadow:0 0 0 1px rgba(34,211,238,.5),0 14px 32px -18px var(--glow-purple);
}
.btn--neon:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(34,211,238,.9),0 18px 40px -16px var(--glow-cyan);}
.btn--ghost{color:var(--glass-white);border-color:var(--glass-line);background:rgba(234,240,255,.04);}
.btn--ghost:hover{color:#fff;border-color:var(--neon-cyan);background:rgba(34,211,238,.10);}
.btn--sm{padding:8px 16px;font-size:13.5px;letter-spacing:.06em;}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 12. 标签带与筛选条 ---------- */
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(234,240,255,.04);
  color:var(--archive-blue);font-size:13px;font-weight:700;letter-spacing:.08em;
  transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease),box-shadow .24s var(--ease);
}
.tag::after{
  content:"";position:absolute;top:0;bottom:0;left:-40%;width:36%;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.45),transparent);
  transform:translateX(-140%);
}
.tag:hover::after{transform:translateX(340%);transition:transform .18s linear;}
.tag:hover{color:#fff;border-color:var(--neon-cyan);}
.tag[aria-pressed="true"],.tag--active{
  color:#fff;border-color:var(--neon-purple);
  background:linear-gradient(120deg,rgba(168,85,247,.32),rgba(34,211,238,.14));
  box-shadow:0 0 0 1px var(--neon-purple),0 0 22px -8px var(--glow-purple);
}
.tag__count{
  font-family:var(--font-num);font-size:12px;line-height:1.5;
  padding:1px 7px;border-radius:999px;background:var(--rank-orange);color:#0B0A12;
}
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.filter-bar__count{font-family:var(--font-num);font-size:13px;color:var(--rank-orange);letter-spacing:.06em;}

/* ---------- 13. 实测条目卡与数据 ---------- */
.record-card{
  position:relative;padding:18px 20px;border-radius:var(--radius);
  border:1px solid var(--line-soft);border-left:3px solid var(--line);
  background:linear-gradient(180deg,rgba(31,20,64,.85),rgba(17,12,34,.92));
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.record-card:hover,.record-card[data-open]{
  border-left-color:var(--rank-orange);transform:translateX(4px);
  box-shadow:-12px 0 28px -22px rgba(255,138,61,.9);
}
.record-card__meta{
  display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:8px;
  font-family:var(--font-num);font-size:13px;letter-spacing:.06em;color:var(--archive-blue);
}
.stat{display:flex;flex-direction:column;gap:2px;}
.stat__value{font-family:var(--font-num);font-size:clamp(22px,3vw,32px);letter-spacing:.02em;color:var(--neon-cyan);}
.stat__label{font-size:13px;letter-spacing:.08em;color:var(--archive-blue);}
.badge-update{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;
  background:rgba(244,63,126,.18);border:1px solid var(--pulse-magenta);color:#FFD9E6;
}
.status-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--confirm-green);box-shadow:0 0 10px var(--confirm-green);
  animation:dot-pulse 4s ease-in-out infinite;
}

/* ---------- 14. 图片占位容器 ---------- */
.media-frame{
  position:relative;overflow:hidden;aspect-ratio:16 / 9;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:
    radial-gradient(320px 200px at 18% 12%,rgba(168,85,247,.42),transparent 70%),
    linear-gradient(135deg,#241852,#0F0B20 55%,#10222B);
}
.media-frame--wide{aspect-ratio:21 / 9;}
.media-frame--square{aspect-ratio:1 / 1;}
.media-frame--tall{aspect-ratio:3 / 4;}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(234,240,255,.05) 0 1px,transparent 1px 3px);
}
.media-frame__label{
  position:absolute;left:14px;bottom:14px;z-index:2;
  padding:6px 12px;border-radius:999px;
  background:rgba(11,10,18,.72);border:1px solid var(--glass-line);
  font-size:12.5px;letter-spacing:.08em;color:var(--glass-white);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}

/* ---------- 15. 段位进度轨道 ---------- */
.rank-track{position:relative;display:flex;gap:18px;padding-top:30px;}
.rank-track::before{
  content:"";position:absolute;left:0;right:0;top:10px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--neon-purple),var(--neon-cyan) 55%,var(--rank-orange));
  opacity:.7;
}
.rank-track__fill{
  position:absolute;left:0;top:10px;height:3px;width:var(--fill,0%);border-radius:3px;
  background:var(--rank-orange);box-shadow:0 0 14px rgba(255,138,61,.85);
  transition:width .6s var(--ease);
}
.rank-node{position:relative;flex:1;display:flex;flex-direction:column;gap:6px;padding-top:22px;text-align:left;}
.rank-node__dot{
  position:absolute;top:-2px;left:0;width:14px;height:14px;border-radius:50%;
  background:var(--ink-900);border:3px solid var(--neon-cyan);box-shadow:0 0 12px var(--glow-cyan);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.rank-node:hover .rank-node__dot,.rank-node[aria-current="true"] .rank-node__dot{
  transform:scale(1.08);border-color:var(--rank-orange);box-shadow:0 0 16px rgba(255,138,61,.9);
}
.rank-node__label{font-size:13px;letter-spacing:.08em;color:var(--archive-blue);}
.rank-node[aria-current="true"] .rank-node__label{color:var(--glass-white);}

/* ---------- 16. 对比数据表 ---------- */
.data-table{font-size:14.5px;border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;}
.data-table th,.data-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line-soft);}
.data-table thead th{
  position:relative;overflow:hidden;
  font-family:var(--font-num);font-size:13px;letter-spacing:.1em;color:var(--glass-white);
  background:linear-gradient(180deg,rgba(34,211,238,.18),rgba(34,211,238,.04));
}
.data-table thead th::after{
  content:"";position:absolute;top:0;bottom:0;left:-40%;width:36%;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.5),transparent);
  transform:translateX(-140%);
}
.data-table thead th:hover::after{transform:translateX(340%);transition:transform .16s linear;}
.data-table tbody tr:hover{background:rgba(168,85,247,.10);}
.data-table tbody tr:last-child td{border-bottom:0;}
.data-table .cell--diff{color:var(--rank-orange);font-weight:700;border-left:2px solid var(--rank-orange);}
.data-table .cell--same{color:var(--archive-blue);}
.data-table .cell--active{background:rgba(255,138,61,.12);}

/* ---------- 17. 设备视角切换 ---------- */
.device-switch{display:flex;flex-wrap:wrap;gap:8px;}
.device-switch [data-device]{
  padding:8px 14px;border-radius:999px;border:1px solid var(--line);
  background:rgba(234,240,255,.04);color:var(--archive-blue);
  font-size:13px;letter-spacing:.06em;font-weight:700;
  transition:color .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease);
}
.device-switch [data-device]:hover{color:#fff;border-color:var(--neon-cyan);}
.device-switch [data-device][aria-pressed="true"]{
  color:#0B0A12;border-color:transparent;
  background:linear-gradient(120deg,var(--neon-cyan),var(--neon-purple));
}
.device-cell{transition:background-color .24s var(--ease),box-shadow .24s var(--ease),color .24s var(--ease);}
.device-cell.is-active{background:rgba(34,211,238,.14);box-shadow:inset 0 0 0 1px var(--neon-cyan);color:var(--glass-white);}

/* ---------- 18. 可展开内容组 ---------- */
.accordion{display:grid;gap:10px;}
.accordion-item{
  overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(31,20,64,.6),rgba(15,11,32,.85));
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.accordion-item[data-open]{border-color:var(--neon-purple);box-shadow:0 0 30px -18px var(--glow-purple);}
.accordion-trigger{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 18px;text-align:left;font-size:16px;font-weight:700;color:var(--glass-white);
}
.accordion-trigger::after{
  content:"+";font-family:var(--font-num);font-size:20px;line-height:1;color:var(--neon-cyan);
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.accordion-item[data-open] .accordion-trigger::after{content:"–";color:var(--rank-orange);transform:rotate(180deg);}
.accordion-panel{padding:14px 18px 18px;border-top:1px dashed var(--line-soft);color:var(--archive-blue);}

/* ---------- 19. 面包屑 ---------- */
.breadcrumb{font-size:13px;letter-spacing:.06em;color:var(--archive-blue);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--glass-line);}
.breadcrumb a:hover{color:var(--neon-cyan);}
.breadcrumb [aria-current="page"]{color:var(--glass-white);}

/* ---------- 20. 出场与动效 ---------- */
@keyframes neon-pulse{
  0%,100%{text-shadow:0 0 1px var(--neon-purple),0 0 18px rgba(168,85,247,.35);}
  50%{text-shadow:0 0 2px var(--neon-purple),0 0 30px rgba(168,85,247,.7);}
}
@keyframes dot-pulse{0%,100%{opacity:1;}50%{opacity:.45;}}
.reveal-ready [data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal-ready [data-reveal].is-visible{opacity:1;transform:none;}
.reveal-ready .split > [data-reveal]:nth-child(2){transition-delay:80ms;}

/* ---------- 21. 响应式 ---------- */
@media (max-width:1080px){
  .header-brandlayer{grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"brand utility cta";}
  .brand-tagline{display:none;}
}
@media (max-width:960px){
  .header-brandlayer{
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:"brand toggle" "tagline tagline" "utility utility" "cta cta";
    row-gap:10px;padding:12px 0;
  }
  .brand-tagline{display:block;padding:10px 0 0;border-left:0;border-top:1px solid var(--line-soft);font-size:14px;}
  .header-cta{justify-self:start;}
  .nav-toggle{display:inline-flex;justify-self:end;}
  .primary-nav{
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;
    transition:max-height .38s var(--ease),opacity .28s var(--ease),visibility .28s linear;
  }
  .primary-nav[data-open]{
    max-height:min(70vh,520px);overflow-y:auto;opacity:1;visibility:visible;
    border-top-color:var(--neon-purple);
  }
  .nav-list{flex-direction:column;gap:2px;padding:10px 0 16px;}
  .nav-link{display:block;border-radius:10px;padding:12px 14px;}
  .nav-link[aria-current="page"]::after{left:14px;right:auto;width:22px;}
  .footer-inner{grid-template-columns:minmax(0,1fr);}
  .footer-nav{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:820px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:minmax(0,1fr);}
  .rank-track{flex-direction:column;gap:14px;padding-top:6px;padding-left:22px;}
  .rank-track::before{left:6px;right:auto;top:0;bottom:0;width:3px;height:auto;background:linear-gradient(180deg,var(--neon-purple),var(--neon-cyan) 55%,var(--rank-orange));}
  .rank-track__fill{left:6px;top:0;width:3px;height:var(--fill,0%);}
  .rank-node{padding-top:0;}
  .rank-node__dot{left:-22px;top:6px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .grid--2,.grid--3,.auto-grid{grid-template-columns:minmax(0,1fr);}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr));}
  .data-table{font-size:13.5px;}
  .data-table th,.data-table td{padding:10px 10px;}
}

/* ---------- 22. 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;}
  .reveal-ready [data-reveal]{opacity:1;transform:none;}
  .scroll-progress{transition:none;}
}