/* ============================================================
   竞猜看台 · 共享样式表
   文件：/assets/site.css
   夜场墨蓝底 + 荧光青细线 + 暖橙信号
   ============================================================ */

/* ---------- 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,figcaption,blockquote,dl,dt,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer;-webkit-appearance:none;appearance:none}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
hr{border:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:3px}

/* ---------- 变量 ---------- */
:root{
  --ink-900:#070C16;
  --ink-800:#0D1526;
  --ink-700:#16223A;
  --cyan:#3FE3CE;
  --cyan-deep:#1B9E90;
  --amber:#FF8F3C;
  --amber-soft:#FFC08A;
  --text:#E9EFF8;
  --muted:#9AACC6;
  --glass:rgba(233,239,248,.06);
  --glass-2:rgba(233,239,248,.11);
  --line:rgba(233,239,248,.10);
  --line-2:rgba(233,239,248,.18);
  --line-strong:rgba(63,227,206,.38);
  --shadow:0 18px 44px rgba(0,0,0,.48);

  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --fs-body:17px;
  --wrap:1180px;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 基础排版 ---------- */
body{
  min-height:100vh;
  background:
    radial-gradient(1100px 620px at 78% -10%, rgba(63,227,206,.10), transparent 62%),
    radial-gradient(900px 520px at 6% 2%, rgba(255,143,60,.07), transparent 58%),
    var(--ink-900);
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--font-body);
  font-size:var(--fs-body);
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(34px,7vw,72px);font-weight:900;letter-spacing:-.02em}
h2{font-size:clamp(23px,3.6vw,36px)}
h3{font-size:clamp(18px,2.4vw,23px)}
p{max-width:64ch}
strong{color:#fff;font-weight:700}
::selection{background:rgba(63,227,206,.28);color:#fff}
#main-content{display:block}

/* ---------- 布局骨架 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(18px,4vw,40px)}
.section{padding-block:clamp(56px,9vw,118px)}
.section--tight{padding-block:clamp(34px,5vw,62px)}
.rule{height:1px;background:linear-gradient(90deg,var(--line-strong),var(--line) 42%,transparent);margin:0}
.grid-12{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(22px,4vw,44px)}
@media (min-width:960px){
  .grid-12{grid-template-columns:minmax(0,22fr) minmax(0,78fr)}
}
.grid-12__main{min-width:0}
.grid-12__aside{min-width:0}
.section-head{display:grid;gap:12px;margin-bottom:clamp(24px,4vw,40px)}
.eyebrow{
  font-size:12px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--cyan);font-weight:600;
}

/* ---------- 刊头 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:140;
  transform:translateY(-180%);
  background:var(--cyan);color:#04201C;
  padding:10px 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:700;
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:none}

.masthead{position:sticky;top:0;z-index:60}
.masthead__frame{
  background:rgba(8,13,24,.80);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
}
.masthead__row{
  width:100%;max-width:var(--wrap);margin-inline:auto;
  padding:20px clamp(18px,4vw,40px) 12px;
  display:grid;grid-template-columns:1fr auto 1fr;
  align-items:center;gap:14px;
}
.masthead__tagline{
  justify-self:start;max-width:none;
  font-size:12px;letter-spacing:.2em;color:var(--muted);
  transition:opacity .18s var(--ease);
}
.masthead__brand{
  display:inline-flex;flex-direction:column;align-items:center;gap:5px;
  justify-self:center;text-align:center;
}
.masthead__lamp{
  width:58px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  box-shadow:0 0 14px rgba(63,227,206,.75);
}
.masthead__name{
  font-family:var(--font-display);
  font-size:clamp(22px,4.4vw,34px);
  font-weight:900;letter-spacing:.16em;line-height:1.1;
}
.masthead__sub{
  font-size:11px;letter-spacing:.24em;color:var(--muted);
}
.nav-toggle{display:none}
.nav-belt{
  width:100%;max-width:var(--wrap);margin-inline:auto;
  padding:0 clamp(18px,4vw,40px) 14px;
}
.nav-belt__list{display:flex;flex-wrap:wrap;justify-content:center;gap:4px}
.nav-belt__item{display:block}
.nav-link{
  display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--muted);
  transition:color .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-link:hover{color:var(--text);background:var(--glass)}
.nav-link[aria-current="page"]{
  color:var(--cyan);background:rgba(63,227,206,.10);
  box-shadow:inset 0 0 0 1px var(--line-strong);
}

.scroll-rail{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:90;
  background:rgba(233,239,248,.06);
}
.scroll-rail__fill{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
  box-shadow:0 0 12px rgba(63,227,206,.6);
}

/* ---------- 底部固定菜单 ---------- */
.dock{display:none}
.dock__cell{display:block}
.dock__dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(63,227,206,.85)}

/* ---------- 反馈入口 ---------- */
.feedback-pin{
  position:fixed;right:18px;bottom:18px;z-index:100;
  display:inline-flex;align-items:center;
  padding:11px 18px;border-radius:var(--r-pill);
  background:var(--amber);color:#20120A;
  font-size:14px;font-weight:700;letter-spacing:.04em;
  box-shadow:0 12px 28px rgba(255,143,60,.30);
  transition:transform .12s var(--ease),background .18s var(--ease);
}
.feedback-pin:hover{transform:translateY(-2px);background:var(--amber-soft)}

/* ---------- 小组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .12s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.btn--primary{background:var(--amber);color:#20120A}
.btn--primary:hover{background:var(--amber-soft);transform:translateY(-2px)}
.btn--ghost{background:var(--glass);border-color:var(--line-strong);color:var(--cyan)}
.btn--ghost:hover{background:rgba(63,227,206,.14);transform:translateY(-2px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.1em;color:var(--muted);
  border:1px solid var(--line);background:var(--glass);
}
.badge--live{color:var(--amber-soft);border-color:rgba(255,143,60,.42);background:rgba(255,143,60,.08)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.1em;color:var(--muted);
  border:1px solid var(--line);background:var(--glass);
}
.tag--cyan{color:var(--cyan);border-color:var(--line-strong);background:rgba(63,227,206,.08)}

.glass-panel{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(18px,3vw,28px);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}

.kpi{font-family:var(--font-mono);color:var(--cyan);font-weight:600}

/* 展览说明牌 */
.plate{border-left:1px solid var(--line-strong);padding:2px 0 2px 14px;display:grid;gap:4px}
.plate__key{font-size:11px;letter-spacing:.24em;color:var(--cyan);text-transform:uppercase}
.plate__val{font-family:var(--font-mono);font-size:14px;color:var(--text)}
.aside-note{border-left:1px solid var(--line);padding-left:12px;font-size:13px;line-height:1.8;color:var(--muted);letter-spacing:.04em}
.v-label{
  writing-mode:vertical-rl;font-size:12px;letter-spacing:.34em;
  color:var(--muted);text-transform:uppercase;
}

/* 编号章节 */
.chapter{display:grid;gap:10px;margin-bottom:clamp(36px,6vw,72px)}
.chapter__index{
  font-family:var(--font-mono);font-weight:600;
  font-size:clamp(40px,8vw,88px);line-height:.9;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1px rgba(63,227,206,.55);
}
.chapter__index--fill{color:var(--cyan);-webkit-text-stroke:0}
.chapter__title{font-family:var(--font-display);font-size:clamp(20px,3vw,28px);font-weight:800}
.chapter__note{font-size:13px;letter-spacing:.14em;color:var(--muted)}

/* 数据区 */
.stat-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.stat{border:1px solid var(--line);border-radius:var(--r-md);background:var(--ink-800);padding:16px}
.stat__num{
  display:block;font-family:var(--font-mono);font-weight:600;
  font-size:clamp(30px,6vw,52px);line-height:1;color:var(--cyan);
}
.stat__label{display:block;margin-top:8px;font-size:13px;letter-spacing:.12em;color:var(--muted)}

/* 战报卡片流 */
.report-flow{display:grid;gap:16px}
.report-flow.is-swap{animation:swapIn .18s var(--ease)}
@keyframes swapIn{from{opacity:.35}to{opacity:1}}
.report-card{
  display:grid;gap:10px;
  background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 18px 20px;
  transition:transform .12s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.report-card:hover{transform:translateY(-2px);background:var(--glass-2);border-color:var(--line-strong)}
.report-card__tag{font-size:11px;letter-spacing:.24em;color:var(--cyan);text-transform:uppercase}
.report-card__title{font-family:var(--font-display);font-size:19px;font-weight:700;line-height:1.4}
.report-card__digits{font-family:var(--font-mono);font-size:clamp(30px,6vw,48px);line-height:1;color:var(--cyan)}
.report-card__meta{font-size:13px;color:var(--muted);letter-spacing:.06em}

/* 筛选 */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  padding:10px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--glass);
}
.filter-btn{
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--muted);border:1px solid transparent;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.filter-btn:hover{color:var(--text);background:var(--glass-2)}
.filter-btn[aria-pressed="true"]{
  background:rgba(63,227,206,.14);border-color:var(--line-strong);color:var(--cyan);font-weight:600;
}
.filter-meta{margin-left:auto;padding-right:8px;font-size:13px;color:var(--muted);letter-spacing:.1em}
.filter-meta span[data-filter-count]{font-family:var(--font-mono);color:var(--cyan)}
.filter-empty{
  border:1px dashed var(--line-2);border-radius:var(--r-md);
  padding:26px 18px;text-align:center;color:var(--muted);font-size:15px;
}

/* 面包屑 */
.crumbs{padding-block:18px}
.crumbs__list{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.crumbs__item{font-size:13px;letter-spacing:.1em;color:var(--muted)}
.crumbs__item + .crumbs__item::before{content:"/";margin-right:10px;color:var(--ink-700);color:rgba(233,239,248,.28)}
.crumbs__item[aria-current="page"]{color:var(--text)}
.crumbs__link{color:var(--muted);transition:color .18s var(--ease)}
.crumbs__link:hover{color:var(--cyan)}

/* 正文长文 */
.prose{display:grid;gap:18px;max-width:70ch}
.prose h2{font-size:clamp(20px,2.8vw,26px);margin-top:18px}
.prose h3{font-size:18px;margin-top:10px}
.prose ul,.prose ol{display:grid;gap:8px;padding-left:4px}
.prose li{position:relative;padding-left:18px;color:var(--muted)}
.prose li::before{content:"";position:absolute;left:0;top:.85em;width:8px;height:1px;background:var(--cyan)}
.prose blockquote{
  border-left:2px solid var(--line-strong);padding:6px 0 6px 16px;
  color:var(--muted);font-size:16px;
}
.prose table{font-size:14px;border:1px solid var(--line);border-radius:var(--r-sm)}
.prose th,.prose td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.prose th{color:var(--cyan);font-weight:600;letter-spacing:.08em}
.prose a{color:var(--cyan);border-bottom:1px solid var(--line-strong)}

/* 图片容器 */
.media-frame{
  position:relative;overflow:hidden;display:block;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:
    radial-gradient(120% 90% at 20% 0%, rgba(63,227,206,.16), transparent 60%),
    linear-gradient(150deg, rgba(22,34,58,.9), rgba(7,12,22,.95) 55%, rgba(255,143,60,.10));
  aspect-ratio:4/3;
}
.media-frame__img{width:100%;height:100%;object-fit:cover;display:block}
.media-frame__label{
  position:absolute;left:12px;bottom:12px;
  padding:5px 10px;border-radius:var(--r-pill);
  background:rgba(7,12,22,.72);color:var(--muted);
  font-size:11px;letter-spacing:.18em;
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}

/* 折叠 */
.fold{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--ink-800);overflow:hidden;
}
.fold + .fold{margin-top:10px}
.fold__head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  transition:background .18s var(--ease);
}
.fold__head:hover{background:var(--glass)}
.fold__icon{
  flex:0 0 auto;width:16px;height:16px;position:relative;
  transition:transform .18s var(--ease);
}
.fold__icon::before,.fold__icon::after{
  content:"";position:absolute;background:var(--cyan);border-radius:2px;
}
.fold__icon::before{left:0;right:0;top:7px;height:2px}
.fold__icon::after{top:0;bottom:0;left:7px;width:2px}
.fold[data-open] .fold__icon{transform:rotate(45deg)}
.fold__panel{padding:0 18px 18px;color:var(--muted);font-size:16px;line-height:1.8}
.fold__panel[hidden]{display:none}

/* 显现 */
[data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:clamp(64px,10vw,124px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(13,21,38,.55),rgba(7,12,22,.96));
}
.site-foot__inner{
  display:grid;gap:clamp(26px,4vw,52px);
  padding-block:clamp(40px,6vw,72px) clamp(26px,4vw,44px);
}
@media (min-width:900px){
  .site-foot__inner{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
}
.site-foot__brand{display:grid;gap:10px;align-content:start}
.site-foot__name{
  font-family:var(--font-display);font-size:24px;font-weight:900;letter-spacing:.14em;
}
.site-foot__name:hover{color:var(--cyan)}
.site-foot__line{font-size:12px;letter-spacing:.22em;color:var(--cyan);max-width:none}
.site-foot__note{font-size:13px;line-height:1.7;color:var(--muted);max-width:34ch}
.foot-cols{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.foot-col{display:grid;gap:10px;align-content:start}
.foot-col__title{font-size:12px;letter-spacing:.24em;color:var(--cyan);font-weight:600}
.foot-col__list{display:grid;gap:9px}
.foot-link{
  font-size:15px;color:var(--muted);
  transition:color .18s var(--ease),box-shadow .18s var(--ease);
}
.foot-link:hover{color:var(--text);box-shadow:inset 0 -1px 0 var(--line-strong)}

.site-foot__contact{
  display:grid;gap:16px;
  padding-block:clamp(24px,4vw,36px);
  border-top:1px solid var(--line);
}
.contact-note{font-size:13px;color:var(--muted);max-width:none}
.contact-list{display:grid;gap:12px}
@media (min-width:820px){
  .contact-list{grid-template-columns:repeat(3,minmax(0,1fr))}
}
.contact-list__item{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--ink-800);
}
.contact-list__key{font-size:11px;letter-spacing:.24em;color:var(--cyan)}
.contact-list__val{font-size:14px;color:var(--text);word-break:break-all;min-width:0}
.contact-list__val--mono{font-family:var(--font-mono)}
.copy-btn{
  margin-left:auto;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);color:var(--cyan);font-size:12px;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.copy-btn:hover{background:rgba(63,227,206,.14)}
.copy-btn[data-copied]{background:var(--amber);border-color:var(--amber);color:#20120A}

.site-foot__base{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 24px;
  padding-block:20px 26px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.site-foot__legal{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;color:var(--muted);max-width:none}

/* ---------- 移动端：刊头折叠 + 底部菜单 ---------- */
@media (max-width:959px){
  .nav-toggle{
    display:inline-flex;align-items:center;gap:8px;justify-self:end;
    padding:9px 14px;border-radius:var(--r-pill);
    border:1px solid var(--line);background:var(--glass);
    font-size:14px;color:var(--text);
  }
  .nav-toggle__bars{position:relative;display:inline-block;width:16px;height:11px}
  .nav-toggle__bars::before,
  .nav-toggle__bars::after{
    content:"";position:absolute;left:0;right:0;height:1.5px;background:var(--cyan);
    transition:transform .18s var(--ease);
  }
  .nav-toggle__bars::before{top:0}
  .nav-toggle__bars::after{bottom:0}
  .masthead[data-open] .nav-toggle__bars::before{transform:translateY(4.75px) rotate(45deg)}
  .masthead[data-open] .nav-toggle__bars::after{transform:translateY(-4.75px) rotate(-45deg)}

  .nav-belt{display:none;padding-bottom:16px}
  .masthead[data-open] .nav-belt{display:block;animation:navDrop .18s var(--ease)}
  @keyframes navDrop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
  .nav-belt__list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{display:block;padding:13px 16px;border-radius:14px;font-size:16.5px}
}

@media (max-width:560px){
  .masthead__tagline{visibility:hidden}
}

@media (max-width:760px){
  body{padding-bottom:84px}
  .dock{
    display:block;position:fixed;left:0;right:0;bottom:0;z-index:95;
    background:rgba(9,14,26,.93);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
    padding:8px 6px calc(8px + env(safe-area-inset-bottom));
  }
  .dock__list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}
  .dock__link{
    display:flex;flex-direction:column;align-items:center;gap:6px;
    padding:7px 4px;border-radius:12px;
    font-size:12px;color:var(--muted);
    transition:color .18s var(--ease),background .18s var(--ease);
  }
  .dock__link:hover,.dock__link:focus-visible{color:var(--text);background:var(--glass)}
  .feedback-pin{bottom:calc(84px + env(safe-area-inset-bottom));right:12px;padding:9px 15px;font-size:13px}
}

/* ---------- 桌面：吸顶细条 ---------- */
.masthead[data-stuck] .masthead__sub,
.masthead[data-stuck] .masthead__lamp{display:none}
.masthead[data-stuck] .masthead__row{padding:10px clamp(18px,4vw,40px)}
.masthead[data-stuck] .nav-belt{padding-bottom:10px}
.masthead[data-stuck] .nav-link{padding:6px 12px;font-size:14px}

@media (min-width:960px){
  .masthead[data-stuck] .masthead__frame{
    display:flex;align-items:center;justify-content:space-between;
    gap:clamp(16px,3vw,40px);
    max-width:var(--wrap);margin-inline:auto;
    padding-inline:clamp(18px,4vw,40px);
    border:1px solid var(--line);border-top:0;
    border-radius:0 0 var(--r-lg) var(--r-lg);
    box-shadow:var(--shadow);
  }
  .masthead[data-stuck] .masthead__row{grid-template-columns:auto;padding:12px 0}
  .masthead[data-stuck] .masthead__tagline{display:none}
  .masthead[data-stuck] .masthead__brand{align-items:flex-start;justify-self:start}
  .masthead[data-stuck] .masthead__name{font-size:19px;letter-spacing:.18em}
  .masthead[data-stuck] .nav-belt{padding:0;width:auto}
  .masthead[data-stuck] .nav-belt__list{flex-wrap:nowrap;justify-content:flex-end}
}

/* ---------- 无障碍动效退化 ---------- */
@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}
  .scroll-rail__fill{transition:none}
}