/* =============================================================================
   星光赛场 · 共享样式表 /assets/site.css
   星图底色 + 奶油纸面阅读区 + 刻度与轨道语言
   ========================================================================== */

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

/* ---------- 2. Tokens ---------- */
:root{
  --night:#0B1B33;
  --indigo:#14294A;
  --star-black:#08111E;
  --paper:#F3EDDF;
  --cool-white:#E7EDF5;
  --gold:#E8B54B;
  --orange:#DE5F3A;
  --lake:#2C8A8A;
  --slate:#6B7A90;
  --ink:#1A1F29;

  --rule:rgba(231,237,245,.14);
  --rule-strong:rgba(231,237,245,.30);
  --rule-ink:rgba(26,31,41,.16);

  --font-display:"Helvetica Neue","Arial Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"Cascadia Mono",Consolas,"Liberation Mono",monospace;

  --gutter:clamp(18px,3.4vw,44px);
  --cut:14px;
  --dur:.32s;
  --ease:cubic-bezier(.22,.61,.36,1);
  --stagger:70ms;
}

/* ---------- 3. Base ---------- */
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.75;
  color:var(--cool-white);
  background-color:var(--night);
  background-image:
    radial-gradient(circle at 22% 14%,rgba(232,181,75,.18) 0 1.2px,transparent 1.8px),
    radial-gradient(circle at 68% 46%,rgba(231,237,245,.14) 0 1px,transparent 1.5px),
    radial-gradient(circle at 41% 82%,rgba(44,138,138,.18) 0 1.3px,transparent 1.9px);
  background-size:340px 340px,280px 280px,460px 460px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.16;
  letter-spacing:-.02em;
  color:var(--paper);
  text-wrap:balance;
}
h1{font-size:clamp(2.1rem,5vw,3.5rem)}
h2{font-size:clamp(1.55rem,3vw,2.25rem)}
h3{font-size:clamp(1.1rem,1.7vw,1.35rem);letter-spacing:-.01em}
h4{font-size:1rem;letter-spacing:0}
p{max-width:66ch}

a{transition:color .2s var(--ease)}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

.mono,.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.045em}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--lake);
}
.eyebrow::before{content:"";width:20px;height:1px;background:currentColor;opacity:.75}
.lead{font-size:clamp(1rem,1.6vw,1.15rem);line-height:1.72;color:rgba(231,237,245,.84);max-width:60ch}
.rule{width:100%;height:1px;border:0;background:var(--rule-strong);margin-block:clamp(24px,4vw,48px)}
.stack > * + *{margin-block-start:var(--stack,16px)}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;
}

/* ---------- 4. Skip link ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  padding:11px 18px;background:var(--gold);color:var(--star-black);
  font-weight:700;font-size:14px;letter-spacing:.02em;
  transform:translateY(-180%);
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 5. Layout helpers ---------- */
.container{width:100%;max-width:1320px;margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(40px,6vw,88px)}
.section--tight{padding-block:clamp(24px,3vw,44px)}

/* ---------- 6. Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;font-family:var(--font-body);font-size:15px;font-weight:600;
  line-height:1.2;letter-spacing:.01em;border:1px solid transparent;border-radius:2px;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),
             color .2s var(--ease),transform .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--sm{padding:9px 14px;font-size:13.5px}
.btn--gold{background:var(--gold);color:var(--star-black)}
.btn--gold:hover{background:#f0c667;color:var(--star-black)}
.btn--orange{background:var(--orange);color:#fff}
.btn--orange:hover{background:#e87451;color:#fff}
.btn--ghost{background:transparent;border-color:var(--rule-strong);color:var(--cool-white)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn--paper{background:var(--paper);color:var(--ink)}
.btn--paper:hover{background:#fff8ea;color:var(--ink)}

/* ---------- 7. Header · command bar ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,27,51,.94);
  -webkit-backdrop-filter:blur(12px) saturate(120%);
  backdrop-filter:blur(12px) saturate(120%);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-compact{box-shadow:0 20px 34px -28px rgba(8,17,30,1)}

.cmdbar{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:0 clamp(14px,2vw,30px);
  width:100%;max-width:1320px;margin-inline:auto;
  padding:11px var(--gutter);
  transition:padding .22s var(--ease);
}
.site-header.is-compact .cmdbar{padding-block:6px}

/* 品牌 */
.brand{display:inline-flex;align-items:center;gap:10px;padding:4px 0;min-width:0}
.brand__mark{
  position:relative;flex:none;width:17px;height:17px;background:var(--gold);
  clip-path:polygon(50% 0,60% 40%,100% 50%,60% 60%,50% 100%,40% 60%,0 50%,40% 40%);
  transition:transform .55s var(--ease);
}
.brand:hover .brand__mark{transform:rotate(90deg)}
.brand__text{display:inline-flex;align-items:baseline;gap:9px;min-width:0}
.brand__name{
  font-family:var(--font-display);font-weight:700;font-size:1.06rem;
  letter-spacing:.01em;color:var(--paper);white-space:nowrap;
}
.brand__sub{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;
  color:var(--slate);padding-left:9px;border-left:1px solid var(--rule-strong);
  white-space:nowrap;
}

/* 导航 */
.site-nav{grid-column:2;justify-self:center;min-width:0}
.site-nav__list{display:flex;align-items:center;gap:2px}
.site-nav__link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:9px 11px;font-size:14.5px;line-height:1;white-space:nowrap;
  color:rgba(231,237,245,.72);
  border:1px solid transparent;border-radius:1px;
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.site-nav__link .idx{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;
  color:var(--slate);transition:color .2s var(--ease);
}
.site-nav__link:hover{color:var(--paper);background:rgba(231,237,245,.07)}
.site-nav__link:hover .idx{color:var(--lake)}
.site-nav__link[aria-current="page"]{
  color:var(--gold);background:rgba(232,181,75,.10);border-color:rgba(232,181,75,.34);
}
.site-nav__link[aria-current="page"] .idx{color:var(--gold)}
.site-nav__link[aria-current="page"]::after{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 3px rgba(232,181,75,.16);
}

/* 工具位 */
.cmdbar__tools{grid-column:3;justify-self:end;display:flex;align-items:center;gap:6px}
.tool{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 11px;white-space:nowrap;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;line-height:1.2;
  color:rgba(231,237,245,.78);
  background:rgba(231,237,245,.05);
  border:1px solid var(--rule);border-radius:1px;
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.tool:hover,.tool:focus-visible{color:var(--paper);background:rgba(231,237,245,.11);border-color:var(--rule-strong)}
.tool--season{color:var(--gold);background:rgba(232,181,75,.08);border-color:rgba(232,181,75,.34)}
.tool--season:hover{color:#f4cd7f;background:rgba(232,181,75,.15)}
.tool--watch .tool__count{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:16px;height:16px;padding-inline:4px;border-radius:9px;
  background:var(--orange);color:#fff;font-size:10.5px;letter-spacing:0;
}
.glyph{
  position:relative;flex:none;width:10px;height:10px;
  border:1.5px solid currentColor;border-radius:50%;
}
.glyph::after{
  content:"";position:absolute;right:-4px;bottom:-3px;
  width:6px;height:1.5px;background:currentColor;transform:rotate(45deg);
}

/* 刻度尺 + 进度 */
.header-ticker{
  height:9px;overflow:hidden;
  border-top:1px solid var(--rule);
  background-image:repeating-linear-gradient(90deg,var(--rule-strong) 0 1px,transparent 1px 14px);
  transition:height .22s var(--ease),opacity .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-compact .header-ticker{height:0;opacity:0;border-top-color:transparent}
.site-header__progress{
  position:absolute;left:0;bottom:0;z-index:2;
  width:100%;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--orange));
  transform:scaleX(0);transform-origin:0 50%;
  will-change:transform;
}

/* 移动导航按钮 */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  grid-column:3;justify-self:end;
  padding:8px 12px;color:var(--paper);
  border:1px solid var(--rule-strong);border-radius:1px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;
}
.nav-toggle:hover{border-color:var(--gold);color:var(--gold)}
.nav-toggle__bars{position:relative;width:16px;height:10px}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;right:0;height:1.5px;background:currentColor;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(4.25px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-4.25px) rotate(-45deg)}

/* ---------- 8. Watchlist drawer ---------- */
.drawer-scrim{
  position:fixed;inset:0;z-index:70;
  background:rgba(8,17,30,.64);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-scrim[data-open]{opacity:1;visibility:visible}

.watch-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;
  width:min(392px,93vw);
  display:flex;flex-direction:column;gap:18px;
  padding:26px clamp(20px,3vw,28px) 30px;
  overflow-y:auto;
  background:var(--indigo);
  border-left:1px solid var(--rule-strong);
  box-shadow:-24px 0 60px -30px rgba(8,17,30,.9);
  transform:translateX(102%);
  visibility:hidden;
  transition:transform var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.watch-drawer[data-open]{transform:translateX(0);visibility:visible}
.watch-drawer__head{
  display:grid;grid-template-columns:1fr auto;gap:4px 12px;align-items:start;
  padding-bottom:14px;border-bottom:1px solid var(--rule);
}
.watch-drawer__eyebrow{
  grid-column:1/-1;
  font-size:10.5px;letter-spacing:.22em;color:var(--lake);
}
.watch-drawer__title{font-size:1.35rem}
.watch-drawer__close{
  padding:6px 11px;color:var(--slate);
  border:1px solid var(--rule);border-radius:1px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.watch-drawer__close:hover{color:var(--gold);border-color:rgba(232,181,75,.4)}
.watch-drawer__note{font-size:14.5px;line-height:1.7;color:rgba(231,237,245,.72)}
.watch-drawer__list{display:flex;flex-direction:column;gap:1px}
.watch-drawer__list li{
  display:flex;align-items:baseline;gap:12px;
  padding:11px 12px;font-size:14.5px;
  background:rgba(231,237,245,.04);
  border-left:2px solid transparent;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.watch-drawer__list li:hover{background:rgba(231,237,245,.08);border-left-color:var(--gold)}
.watch-drawer__list .mono{font-size:11px;letter-spacing:.16em;color:var(--lake);min-width:34px}
.watch-drawer__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:10px}

/* ---------- 9. Footer ---------- */
.site-footer{
  margin-top:clamp(48px,7vw,104px);
  background:var(--star-black);
  border-top:1px solid var(--rule);
  padding-top:clamp(40px,5vw,68px);
  color:rgba(231,237,245,.66);
}
.footer-grid{
  width:100%;max-width:1320px;margin-inline:auto;padding-inline:var(--gutter);
  display:grid;
  grid-template-columns:1.7fr repeat(4,minmax(0,1fr));
  gap:clamp(24px,3vw,40px);
  padding-bottom:clamp(30px,4vw,52px);
  border-bottom:1px solid var(--rule);
}
.footer-col{min-width:0}
.footer-col--brand{display:flex;flex-direction:column;gap:12px}
.footer-col__title{
  margin-bottom:14px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;color:var(--gold);
}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col a{
  display:inline-block;font-size:14.5px;color:rgba(231,237,245,.68);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-col a:hover{color:var(--gold);border-bottom-color:rgba(232,181,75,.5)}
.footer-brand{display:inline-flex;align-items:center;gap:10px}
.footer-brand .brand__name{color:var(--paper)}
.footer-brand__tag{font-size:14.5px;line-height:1.7;color:var(--slate);max-width:32ch}
.footer-brand__addr{
  font-style:normal;font-family:var(--font-mono);
  font-size:12.5px;line-height:1.85;letter-spacing:.04em;color:var(--slate);
  padding-left:12px;border-left:2px solid rgba(232,181,75,.4);
}
.footer-base{
  width:100%;max-width:1320px;margin-inline:auto;padding:20px var(--gutter) 30px;
  display:flex;flex-wrap:wrap;align-items:center;gap:6px 24px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;color:var(--slate);
}
.footer-base p{margin:0;max-width:none}
.footer-base__copy{color:rgba(231,237,245,.72)}
.footer-base__icp{color:var(--slate)}
.footer-base__contact{color:var(--slate)}
.footer-base__region{margin-left:auto;color:var(--lake);letter-spacing:.16em}

/* ---------- 10. Generic surfaces ---------- */
.panel{
  position:relative;padding:clamp(20px,3vw,32px);
  background:var(--indigo);border:1px solid var(--rule);
  color:var(--cool-white);
}
.panel--paper{background:var(--paper);color:var(--ink);border-color:var(--rule-ink)}
.panel--paper h2,.panel--paper h3,.panel--paper h4{color:var(--ink)}
.panel--paper p{color:#2b3240}
.cut{clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)))}

.card{
  position:relative;padding:clamp(16px,2.2vw,24px);
  background:rgba(231,237,245,.04);
  border:1px solid var(--rule);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.card:hover{background:rgba(231,237,245,.075);border-color:var(--rule-strong);transform:translateY(-2px)}

.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.bento > *{min-width:0}
.u-span-3{grid-column:span 3}
.u-span-4{grid-column:span 4}
.u-span-5{grid-column:span 5}
.u-span-6{grid-column:span 6}
.u-span-7{grid-column:span 7}
.u-span-8{grid-column:span 8}
.u-span-9{grid-column:span 9}
.u-span-12{grid-column:span 12}

/* ---------- 11. Prose ---------- */
.prose{max-width:68ch;font-size:16.5px;line-height:1.8;color:var(--ink)}
.prose > * + *{margin-top:1.05em}
.prose h2{margin-top:2em;font-size:clamp(1.35rem,2.2vw,1.7rem)}
.prose h3{margin-top:1.7em}
.prose p{max-width:none}
.prose a{color:var(--lake);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{color:#226e6e}
.prose ul,.prose ol{list-style:disc;padding-left:1.35em}
.prose ol{list-style:decimal}
.prose li + li{margin-top:.5em}
.prose blockquote{
  margin-block:1.6em;padding:14px 0 14px 18px;
  border-left:3px solid var(--orange);
  color:#3a4250;font-style:normal;
}

/* ---------- 12. Media frame (页面阶段放置图片) ---------- */
.media-frame{
  position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;
  background:var(--indigo);border:1px solid var(--rule-strong);
}
.media-frame > img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.28;
  background-image:
    linear-gradient(to right,rgba(231,237,245,.22) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(231,237,245,.22) 1px,transparent 1px);
  background-size:64px 64px;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}
.media-frame__meta{
  position:absolute;left:0;bottom:0;z-index:2;
  padding:6px 11px;background:rgba(8,17,30,.76);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--gold);
}
.media-caption{
  margin-top:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;color:var(--slate);
}

/* ---------- 13. Tags & breadcrumb ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border:1px solid currentColor;border-radius:1px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;
  color:var(--lake);
}
.tag--gold{color:var(--gold)}
.tag--orange{color:var(--orange)}

.breadcrumb{
  width:100%;max-width:1320px;margin-inline:auto;
  padding:18px var(--gutter) 0;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.07em;color:var(--slate);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:9px}
.breadcrumb li{display:flex;align-items:center;gap:9px}
.breadcrumb li + li::before{content:"/";color:rgba(107,122,144,.55)}
.breadcrumb a{color:var(--slate)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb [aria-current="page"]{color:var(--cool-white)}

/* ---------- 14. Reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(16px)}
[data-reveal].is-revealed{
  opacity:1;transform:none;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
}

/* ---------- 15. Responsive ---------- */
@media (max-width:1180px){
  .site-nav__link{padding:8px 8px;font-size:14px}
  .site-nav__link .idx{display:none}
  .tool{padding:7px 9px;font-size:12px}
  .tool--search span:not(.glyph){display:none}
}

@media (max-width:960px){
  .cmdbar{display:flex;flex-wrap:wrap;align-items:center;gap:0 12px;padding-block:10px}
  .brand{order:1;flex:1 1 auto}
  .nav-toggle{display:inline-flex;order:2;margin-left:auto}
  .site-nav{
    order:3;flex:1 1 100%;display:none;
    margin-top:10px;padding-top:8px;border-top:1px solid var(--rule);
  }
  .site-nav[data-open]{display:block}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:1px}
  .site-nav__link{padding:12px 10px;font-size:15px;gap:10px;border-radius:1px}
  .site-nav__link .idx{display:inline;font-size:11px}
  .cmdbar__tools{
    order:4;flex:1 1 100%;justify-content:flex-start;
    gap:6px;margin-top:10px;padding-top:10px;
    border-top:1px solid var(--rule);
    overflow-x:auto;scrollbar-width:none;
  }
  .cmdbar__tools::-webkit-scrollbar{display:none}
  .tool{flex:none}
  .tool--search span:not(.glyph){display:inline}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-col--brand{grid-column:1/-1}
  .footer-base__region{margin-left:0}
  .u-span-3,.u-span-4,.u-span-5,.u-span-6,.u-span-7,.u-span-8,.u-span-9{grid-column:span 12}
}

@media (max-width:600px){
  body{font-size:16px}
  .brand__sub{display:none}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-base{flex-direction:column;align-items:flex-start;gap:6px}
  .watch-drawer{width:100%}
}

/* ---------- 16. Motion & accessibility ---------- */
@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}
  .site-header__progress{transition:none}
}