/* ==========================================================================
   W88看台 · 共享样式 /assets/site.css
   深夜看台 × 数据仪表盘：侧边导览轨道 + 透明叠加顶条
   ========================================================================== */

:root{
  --night:#070C0B;
  --ink:#0E2A22;
  --moss:#163B31;
  --line:#21453A;
  --lime:#BFF747;
  --amber:#FF9B2F;
  --signal:#FF5B45;
  --paper:#F1F6F2;
  --mist:#93A9A0;
  --deep:#04100D;
  --rail-w:216px;
  --top-h:64px;
  --r:2px;
  --sans:"HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  padding-left:var(--rail-w);
  padding-top:var(--top-h);
  min-height:100vh;
  background-color:var(--night);
  background-image:
    repeating-linear-gradient(0deg,rgba(33,69,58,.26) 0 1px,transparent 1px 64px),
    repeating-linear-gradient(90deg,rgba(33,69,58,.16) 0 1px,transparent 1px 64px);
  background-attachment:fixed;
  color:var(--paper);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.75;
  letter-spacing:.01em;
}

h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.24;letter-spacing:.005em;text-wrap:balance}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
figure{margin:0}
a{color:var(--lime);text-decoration-color:rgba(191,247,71,.45);text-underline-offset:3px}
a:hover{color:var(--amber)}
button{font:inherit;color:inherit}
code{font-family:var(--mono)}
[hidden]{display:none !important}

:focus-visible{outline:2px solid var(--lime);outline-offset:3px}

/* ---------- 跳转与定位 ---------- */
.skip-link{
  position:fixed;left:12px;top:-72px;z-index:200;
  background:var(--lime);color:#08120D;font-weight:800;
  padding:10px 16px;border-radius:var(--r);text-decoration:none;
  transition:top .18s ease;
}
.skip-link:focus{top:12px}

/* ---------- 头部：侧边导览轨道 ---------- */
.site-header{position:relative;z-index:90}

.rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);z-index:90;
  display:flex;flex-direction:column;gap:16px;
  padding:26px 16px 20px;
  background:linear-gradient(180deg,#0E2A22 0%,#0A1F19 58%,#071310 100%);
  border-right:1px solid var(--line);
  overflow-y:auto;overscroll-behavior:contain;
}
.rail::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--lime) 0 42%,var(--amber) 42% 62%,transparent 62%);
}
.rail__brand{
  display:block;font-size:21px;font-weight:800;letter-spacing:.02em;
  color:var(--paper);text-decoration:none;line-height:1.2;
}
.rail__brand::before{content:"";display:inline-block;width:8px;height:8px;background:var(--lime);margin-right:8px;vertical-align:middle}
.rail__brand:hover{color:var(--lime)}
.rail__tag{margin-top:6px;font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--mist)}

.rail__round{
  display:grid;gap:2px;padding:12px 12px 10px;
  background:#081713;border:2px solid var(--line);border-radius:var(--r);
  box-shadow:5px 5px 0 var(--deep);
}
.rail__round-label{font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--mist)}
.rail__round-num{font-family:var(--mono);font-size:38px;font-weight:800;line-height:1;color:var(--lime);letter-spacing:.02em}
.rail__state{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;color:var(--signal)}
.rail__state::before{content:"";width:6px;height:6px;background:var(--signal);border-radius:50%}

.rail__locator-title{font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--mist);margin-bottom:8px}
.rail__note{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  font-size:11px;line-height:1.7;color:var(--mist);
}

.chip-row{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.chip{
  appearance:none;display:inline-flex;align-items:center;
  background:transparent;border:1px solid var(--line);border-radius:var(--r);
  color:var(--paper);font-family:var(--sans);font-size:12px;font-weight:600;
  padding:4px 9px;cursor:pointer;text-decoration:none;
  transition:border-color .16s ease,color .16s ease,background .16s ease;
}
.chip:hover{border-color:var(--amber);color:var(--amber)}
.chip[aria-current="true"]{background:var(--lime);border-color:var(--lime);color:#08120D;font-weight:800}
.chip[aria-disabled="true"]{opacity:.3;cursor:not-allowed}
.chip[aria-disabled="true"]:hover{border-color:var(--line);color:var(--paper)}
.chip--link{font-weight:700}

/* 主导航 */
.site-nav{margin-top:2px}
.site-nav__list{display:flex;flex-direction:column;gap:2px}
.site-nav__link{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-left:3px solid transparent;border-radius:0 var(--r) var(--r) 0;
  color:var(--paper);font-size:14px;font-weight:600;text-decoration:none;
  transition:background .16s ease,color .16s ease,border-color .16s ease,padding-left .16s ease;
}
.site-nav__link:hover{background:#0B211B;border-left-color:var(--amber);color:var(--lime);padding-left:14px}
.site-nav__link[aria-current="page"]{background:var(--lime);border-left-color:var(--lime);color:#08120D;font-weight:800}
.site-nav__index{font-family:var(--mono);font-size:11px;letter-spacing:.08em;opacity:.55}
.site-nav__link[aria-current="page"] .site-nav__index{opacity:1}

/* 顶条 */
.topbar{
  position:fixed;top:0;left:var(--rail-w);right:0;height:var(--top-h);z-index:130;
  display:flex;align-items:center;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease;
}
.site-header[data-scrolled] .topbar{background:var(--ink);border-bottom-color:var(--line)}
.topbar__inner{display:flex;align-items:center;gap:12px;width:100%;padding:0 18px}
.topbar__brand{display:none;color:var(--paper);font-size:17px;font-weight:800;text-decoration:none;letter-spacing:.02em}
.topbar__meta{font-size:12px;color:var(--mist);letter-spacing:.04em;white-space:nowrap}
.topbar__round{font-family:var(--mono);font-weight:800;color:var(--lime);letter-spacing:.06em}
.topbar__quick{
  overflow:hidden;max-height:40px;opacity:1;
  transition:max-height .22s ease,opacity .22s ease;
}
.site-header[data-scrolled] .topbar__quick{max-height:0;opacity:0}
.topbar__actions{margin-left:auto;display:flex;align-items:center;gap:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
  padding:9px 16px;border:2px solid transparent;border-radius:var(--r);
  text-decoration:none;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease;
}
.btn--primary{background:var(--lime);border-color:var(--lime);color:#08120D;box-shadow:4px 4px 0 var(--deep)}
.btn--primary:hover{background:#D2FF6B;color:#08120D;transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--deep)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--paper)}
.btn--ghost:hover{border-color:var(--amber);color:var(--amber)}

.nav-toggle{
  display:none;align-items:center;
  background:transparent;border:2px solid var(--lime);border-radius:var(--r);
  color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.06em;
  padding:8px 14px;cursor:pointer;
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.site-header[data-open] .nav-toggle{background:var(--amber);border-color:var(--amber);color:#08120D}

.nav-scrim{display:none}

.to-top{
  position:fixed;right:16px;bottom:16px;z-index:80;
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;padding:0;
  background:var(--ink);border:2px solid var(--line);border-radius:var(--r);
  color:var(--lime);font-size:16px;font-weight:800;cursor:pointer;
  box-shadow:4px 4px 0 var(--deep);
}
.to-top[data-visible]{display:flex}
.to-top:hover{border-color:var(--lime);background:var(--moss)}

/* ---------- 布局与内容容器 ---------- */
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 18px}

.bleed-top{margin-top:calc(var(--top-h) * -1);padding-top:calc(var(--top-h) + 36px)}

.section{padding:44px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.24em;color:var(--lime);margin-bottom:10px}
.section__title{font-size:24px;font-weight:800;margin-bottom:12px}
.lede{font-size:16px;line-height:1.8;color:var(--mist);max-width:64ch}

.prose p{margin-bottom:14px;max-width:66ch}
.prose h3{font-size:18px;margin:22px 0 10px}
.prose li{position:relative;padding-left:16px;margin-bottom:6px;max-width:66ch}
.prose li::before{content:"";position:absolute;left:0;top:.78em;width:6px;height:2px;background:var(--amber)}
.callout{
  border-left:4px solid var(--lime);
  background:linear-gradient(90deg,rgba(191,247,71,.09),rgba(191,247,71,0) 72%);
  padding:12px 16px;margin-bottom:16px;font-weight:700;
}

.slash{
  display:block;width:100%;height:14px;
  background:linear-gradient(90deg,var(--lime) 0 16%,var(--amber) 16% 24%,var(--line) 24% 100%);
  clip-path:polygon(0 0,100% 0,100% 36%,0 100%);
}

.grid{display:grid;gap:16px}
.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}

.num,[data-count],.data-table td,.data-table th,.stat__num,.tabs__tab{
  font-variant-numeric:tabular-nums;
}
.num,[data-count]{font-family:var(--mono);letter-spacing:.02em}

/* ---------- 卡片 / 徽章 / 数据面板 ---------- */
.card{
  position:relative;padding:18px;
  background:var(--moss);border:2px solid var(--line);border-radius:var(--r);
  box-shadow:6px 6px 0 var(--deep);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.card:hover{border-color:var(--amber);transform:translate(-3px,-3px);box-shadow:9px 9px 0 var(--deep)}
.card__kicker{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--amber);margin-bottom:8px}
.card__title{font-size:18px;font-weight:800;margin-bottom:8px}
.card__text{font-size:14px;line-height:1.75;color:var(--mist)}
.card__meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;padding-top:10px;
  border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--mist);
}
.card--pop{margin-right:-12px}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 8px;border:1px solid var(--line);border-radius:var(--r);
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--mist);
}
.badge--lime{background:var(--lime);border-color:var(--lime);color:#08120D;font-weight:800}
.badge--amber{border-color:var(--amber);color:var(--amber)}
.badge--live{border-color:var(--signal);color:var(--signal);font-weight:700}
.badge--live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--signal);animation:badge-pulse 1.6s ease-in-out infinite}
@keyframes badge-pulse{50%{opacity:.25}}

.stat{
  padding:14px 16px;background:var(--ink);
  border:2px solid var(--line);border-radius:var(--r);box-shadow:5px 5px 0 var(--deep);
}
.stat__num{display:block;font-family:var(--mono);font-size:32px;font-weight:800;line-height:1.1;color:var(--lime)}
.stat__label{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--mist)}

/* ---------- 标签页 ---------- */
.tabs{position:relative}
.tabs__list{
  position:relative;display:flex;flex-wrap:wrap;gap:4px;
  border-bottom:2px solid var(--line);padding-bottom:0;
}
.tabs__tab{
  appearance:none;background:transparent;border:0;cursor:pointer;
  padding:10px 14px;font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--mist);
  transition:color .16s ease;
}
.tabs__tab:hover{color:var(--paper)}
.tabs__tab[aria-selected="true"]{color:var(--lime)}
.tabs__ink{
  position:absolute;left:0;bottom:-2px;width:0;height:3px;background:var(--lime);
  transform:translateX(0);
  transition:transform .22s ease,width .22s ease;
}
.tabs__panel{padding:20px 0 0;animation:tab-fade .16s ease}
@keyframes tab-fade{from{opacity:0}to{opacity:1}}

/* ---------- 对比表格 ---------- */
.data-table{width:100%;border-collapse:collapse;font-size:14px;background:var(--ink)}
.data-table caption{text-align:left;font-size:12px;color:var(--mist);padding-bottom:8px}
.data-table th,.data-table td{text-align:left;padding:10px 12px;border:1px solid var(--line)}
.data-table thead th{
  background:var(--moss);font-family:var(--mono);font-size:12px;
  letter-spacing:.08em;color:var(--paper);cursor:pointer;user-select:none;
}
.data-table tbody tr:nth-child(even){background:#0B211B}
.data-table tbody tr:hover{background:rgba(191,247,71,.08)}
.data-table th[aria-sort="ascending"]::after{content:" ▲";color:var(--lime)}
.data-table th[aria-sort="descending"]::after{content:" ▼";color:var(--lime)}

/* ---------- 面包屑 ---------- */
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0 0;font-size:12px;color:var(--mist)}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs li + li::before{content:"/";color:var(--line)}
.breadcrumbs a{color:var(--mist);text-decoration:none}
.breadcrumbs a:hover{color:var(--lime)}
.breadcrumbs [aria-current="page"]{color:var(--paper)}

/* ---------- 图片容器 ---------- */
.media{
  position:relative;display:block;width:100%;overflow:hidden;
  aspect-ratio:4 / 3;background:var(--ink);
  border:2px solid var(--line);border-radius:var(--r);box-shadow:6px 6px 0 var(--deep);
}
.media img{width:100%;height:100%;object-fit:cover}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:
    linear-gradient(90deg,rgba(33,69,58,.55) 0 1px,transparent 1px 40px),
    linear-gradient(0deg,rgba(33,69,58,.55) 0 1px,transparent 1px 40px);
}
.media--wide{aspect-ratio:16 / 9}
.media--tall{aspect-ratio:3 / 4}
.media--square{aspect-ratio:1 / 1}
.media__caption{margin-top:8px;font-size:12px;color:var(--mist)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:56px;padding:34px 0 26px;
  background:#050B09;border-top:3px solid var(--line);
}
.site-footer::before{content:"";position:absolute;top:-3px;left:0;width:168px;height:3px;background:var(--lime)}

.footer__top{display:grid;gap:22px;padding-bottom:24px;border-bottom:1px dashed var(--line)}
.footer__logo{display:inline-block;font-size:22px;font-weight:800;color:var(--paper);text-decoration:none;letter-spacing:.02em}
.footer__logo:hover{color:var(--lime)}
.footer__tagline{margin-top:6px;font-size:13px;color:var(--mist)}
.footer__verify-title{font-family:var(--mono);font-size:12px;letter-spacing:.18em;color:var(--amber);margin-bottom:8px}

.verify{background:var(--ink);border:2px solid var(--line);border-radius:var(--r);box-shadow:5px 5px 0 var(--deep)}
.verify__summary{
  cursor:pointer;list-style:none;padding:10px 14px;
  font-size:13px;font-weight:700;color:var(--paper);
}
.verify__summary::-webkit-details-marker{display:none}
.verify__summary::before{content:"+ ";font-family:var(--mono);color:var(--lime)}
.verify[open] .verify__summary::before{content:"– "}
.verify__body{padding:0 14px 14px;font-size:13px;line-height:1.75;color:var(--mist);border-top:1px solid var(--line)}
.verify__body p{margin-top:10px;max-width:54ch}
.verify__code{
  display:inline-block;margin-top:8px;padding:4px 10px;border-radius:var(--r);
  background:var(--lime);color:#08120D;font-family:var(--mono);font-weight:800;letter-spacing:.04em;
}

.footer__grid{display:grid;gap:22px;padding:24px 0}
.footer__title{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--lime);margin-bottom:10px}
.footer__list li{margin-bottom:7px}
.footer__link{
  color:var(--paper);font-size:14px;text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.footer__link:hover{color:var(--lime);border-bottom-color:var(--lime)}

.footer__base{display:grid;gap:6px;padding-top:20px;border-top:1px solid var(--line)}
.footer__contact,.footer__legal{font-family:var(--mono);font-size:12px;line-height:1.8;color:var(--mist)}

/* ---------- 显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 平板 / 桌面 ---------- */
@media (min-width:640px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (min-width:900px){
  .wrap{padding:0 34px}
  .topbar__inner{padding:0 34px}
  .section{padding:68px 0}
  .section__title{font-size:30px}
  .card--pop{margin-right:-30px}
  .footer__top{grid-template-columns:1fr 1fr;align-items:start;gap:36px}
  .footer__grid{padding:30px 0}
  .breadcrumbs{padding-top:20px}
}
@media (min-width:1000px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
}

/* ---------- 手机 / 平板：轨道收起，导航转抽屉 ---------- */
@media (max-width:899px){
  :root{--top-h:56px}

  body{padding-left:0;padding-top:var(--top-h)}

  .rail{
    position:static;width:auto;padding:0;background:none;border:0;
    overflow:visible;gap:0;display:block;
  }
  .rail::before{display:none}
  .rail__brand,.rail__tag,.rail__round,.rail__locator,.rail__note{display:none}

  .topbar{left:0}
  .topbar__brand{display:inline-block}
  .topbar__quick{display:none}
  .nav-toggle{display:inline-flex}
  .btn--ghost{display:none}

  .site-nav{
    position:fixed;top:0;left:0;bottom:0;z-index:120;
    width:min(320px,86vw);padding:74px 14px 24px;
    background:var(--ink);border-right:2px solid var(--line);
    box-shadow:10px 0 0 var(--deep);
    overflow-y:auto;overscroll-behavior:contain;
    transform:translateX(-103%);visibility:hidden;
    transition:transform .26s ease,visibility 0s linear .26s;
  }
  .site-header[data-open] .site-nav{
    transform:none;visibility:visible;
    transition:transform .26s ease,visibility 0s;
  }

  .nav-scrim{
    display:block;position:fixed;inset:0;z-index:110;
    padding:0;border:0;background:rgba(4,16,13,.72);
    opacity:0;visibility:hidden;cursor:pointer;
    transition:opacity .22s ease,visibility 0s linear .22s;
  }
  .site-header[data-open] .nav-scrim{
    opacity:1;visibility:visible;
    transition:opacity .22s ease,visibility 0s;
  }

  .site-nav__link{padding:12px 12px}
  .media--tall{aspect-ratio:4 / 5}
}

@media (max-width:520px){
  .topbar__meta{display:none}
  .btn{padding:8px 12px;font-size:12px}
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
}