/* ===== 天宝博赛场 · 共享 Site Kit (/assets/site.css) ===== */

/* 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,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0}
:focus{outline:none}
:focus-visible{outline:2px solid #FF5A36;outline-offset:3px;border-radius:2px}

/* 2. Tokens */
:root{
  --snow:#DDF2F5;
  --deep:#0C3B44;
  --ink:#061A20;
  --gold:#C8A15A;
  --gold-soft:#F2DDB0;
  --gold-ink:#7C5E28;
  --lime:#B9FF39;
  --flame:#FF5A36;
  --paper:#F8FBFA;
  --slate:#6F8E95;
  --aurora:#48D6C9;

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

  --line:rgba(200,161,90,.42);
  --line-strong:rgba(200,161,90,.72);
  --line-ink:rgba(6,26,32,.12);
  --line-snow:rgba(221,242,245,.16);

  --shell:min(1180px,92vw);
  --shell-narrow:min(760px,92vw);
  --gutter:clamp(16px,3vw,40px);
  --radius:2px;

  --shadow-soft:0 1px 2px rgba(6,26,32,.05),0 18px 34px -22px rgba(6,26,32,.5);
  --ease:cubic-bezier(.22,.8,.3,1);
}

/* 3. 基础排版 */
body{
  background-color:var(--snow);
  background-image:
    linear-gradient(90deg,rgba(200,161,90,.15) 1px,transparent 1px),
    linear-gradient(180deg,rgba(200,161,90,.13) 1px,transparent 1px);
  background-size:96px 96px,96px 96px;
  color:var(--deep);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:1.14;letter-spacing:-.01em;color:var(--deep)}
h1{font-size:clamp(40px,6vw,88px);line-height:1;letter-spacing:-.02em}
h2{font-size:clamp(28px,3.6vw,52px);line-height:1.08}
h3{font-size:clamp(20px,2.2vw,28px);line-height:1.25}
p{max-width:70ch}
strong{font-weight:600;color:var(--ink)}
::selection{background:var(--lime);color:var(--ink)}

.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.display-xl{display:block;font-size:clamp(40px,7vw,112px);font-weight:900;line-height:.95;letter-spacing:-.03em;color:var(--deep)}
.display-l{display:block;font-size:clamp(30px,4.4vw,52px);font-weight:900;line-height:1.05;color:var(--deep)}
.display-m{display:block;font-size:clamp(22px,2.6vw,28px);font-weight:900;color:var(--deep)}
.eyebrow{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-ink)}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.7;flex:none}

/* 4. 布局容器 */
.container{width:var(--shell);margin-inline:auto}
.container--narrow{width:var(--shell-narrow);margin-inline:auto}
.section{padding-block:clamp(48px,7vw,96px)}
.section--tight{padding-block:clamp(28px,4vw,48px)}
.section--paper{background:var(--paper)}
.section--deep{background:var(--deep);color:var(--snow)}
.section--deep h1,.section--deep h2,.section--deep h3{color:var(--paper)}
.section--deep .eyebrow{color:var(--gold)}
.section--ink{background:var(--ink);color:rgba(221,242,245,.82)}
.section--ink h1,.section--ink h2,.section--ink h3{color:var(--paper)}
.section--ink .eyebrow{color:var(--lime)}
.grid{display:grid;gap:var(--gutter)}
.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))}
.hairline{height:1px;border:0;background:var(--line)}

/* 5. 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 16px;border:1px solid transparent;border-radius:var(--radius);
  font-size:13px;font-weight:600;letter-spacing:.08em;line-height:1.2;
  text-decoration:none;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--deep);color:var(--paper);border-color:var(--deep)}
.btn--primary:hover{background:var(--ink);border-color:var(--ink)}
.btn--ghost{background:transparent;color:var(--deep);border-color:rgba(12,59,68,.4)}
.btn--ghost:hover{border-color:var(--deep);background:rgba(248,251,250,.7)}
.btn--flame{background:var(--flame);color:#fff;border-color:var(--flame)}
.btn--flame:hover{background:#ff7355;border-color:#ff7355}
.btn--ios{background:var(--lime);color:var(--ink);border-color:var(--lime);font-family:var(--font-mono);font-size:12px;letter-spacing:.1em}
.btn--ios:hover{box-shadow:0 10px 22px -14px rgba(6,26,32,.9);background:#cdff6f;border-color:#cdff6f}

/* 6. 芯片 / 标签 / 状态 */
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;
  border:1px solid var(--line-strong);border-radius:var(--radius);
  background:rgba(248,251,250,.72);color:var(--deep);
  font-size:12px;letter-spacing:.1em;text-decoration:none;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:var(--deep);background:var(--paper)}
.chip.is-active,.chip[aria-pressed="true"]{background:var(--deep);color:var(--snow);border-color:var(--deep)}
.chip--lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.chip--lime:hover{background:#cdff6f;border-color:#cdff6f}

.tag{display:inline-block;padding:3px 7px;border:1px solid currentColor;border-radius:var(--radius);font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;line-height:1.4}
.tag--confirm{background:rgba(72,214,201,.16);color:#0a4a4d;border-color:rgba(72,214,201,.55)}
.tag--talk{background:var(--gold-soft);color:#6b4f1c;border-color:var(--gold)}
.tag--rumor{background:rgba(111,142,149,.16);color:#3f5a60;border-color:rgba(111,142,149,.5)}
.tag--flame{background:rgba(255,90,54,.12);color:#b32f13;border-color:rgba(255,90,54,.55)}
.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(185,255,57,.18);animation:atb-pulse 2.6s var(--ease) infinite;flex:none}
.status-dot--flame{background:var(--flame);box-shadow:0 0 0 3px rgba(255,90,54,.2)}
@keyframes atb-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.82)}}

/* 7. 卡片 / 展签 */
.card{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft);padding:clamp(18px,2.4vw,28px)}
.card--ink{background:var(--ink);border-color:rgba(200,161,90,.34);color:rgba(221,242,245,.82)}
.card--ink h2,.card--ink h3{color:var(--paper)}
.card--plate{background:linear-gradient(150deg,rgba(72,214,201,.16),rgba(248,251,250,.96) 62%),var(--paper)}
.exhibit-label{position:relative;border-left:2px solid var(--gold);padding:10px 0 10px 14px}
.exhibit-label .mono,.exhibit-label__no{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink)}
.exhibit-label__title{display:block;margin-top:4px;font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--deep)}

/* 8. 图片容器（页面阶段放置占位） */
.media-frame{
  position:relative;overflow:hidden;border:1px solid var(--line-strong);border-radius:var(--radius);
  background-color:var(--deep);
  background-image:
    linear-gradient(135deg,rgba(72,214,201,.24),rgba(6,26,32,.92) 64%),
    linear-gradient(180deg,rgba(200,161,90,.2) 1px,transparent 1px),
    linear-gradient(90deg,rgba(200,161,90,.2) 1px,transparent 1px);
  background-size:auto,32px 32px,32px 32px;
}
.media-frame > img{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--land{aspect-ratio:3/2}
.media-frame--plate{aspect-ratio:4/3}
.media-frame--portrait{aspect-ratio:3/4}
.media-frame__label{position:absolute;left:0;bottom:0;display:inline-flex;align-items:center;gap:8px;padding:6px 12px;background:var(--ink);color:var(--gold-soft);border-top:1px solid var(--gold);border-right:1px solid var(--gold);font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase}

/* 9. 面包屑 / 正文 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--slate)}
.breadcrumb a{color:var(--deep);text-decoration:none;border-bottom:1px solid transparent}
.breadcrumb a:hover{border-bottom-color:var(--gold)}
.breadcrumb__sep{color:var(--gold)}
.breadcrumb [aria-current="page"]{color:var(--slate)}
.prose{max-width:68ch}
.prose p{margin-block:1em;font-size:17px;line-height:1.85}
.prose h2{margin-block:1.4em .6em;font-size:clamp(24px,2.6vw,32px)}
.prose h3{margin-block:1.2em .5em}
.prose ul{display:grid;gap:.5em;margin-block:1em;padding-left:0}
.prose li{position:relative;padding-left:18px;line-height:1.8}
.prose li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--gold)}
.prose a{color:var(--deep);text-decoration:none;border-bottom:1px solid var(--gold)}
.prose a:hover{border-bottom-color:var(--deep)}

/* 10. 头部 */
.site-header{position:relative;z-index:60;background:var(--paper);border-bottom:1px solid var(--line-strong)}
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  padding:10px 16px;border:1px solid var(--lime);border-radius:var(--radius);
  background:var(--ink);color:var(--lime);font-size:13px;letter-spacing:.1em;text-decoration:none;
  transform:translateY(-220%);transition:transform .2s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0)}

.reading-progress{position:fixed;inset:0 0 auto 0;height:3px;z-index:120;background:rgba(6,26,32,.16);pointer-events:none}
.reading-progress__bar{display:block;width:100%;height:100%;transform:scaleX(0);transform-origin:0 50%;background:linear-gradient(90deg,var(--aurora),var(--lime) 58%,var(--gold));transition:transform .12s linear}

.header-utility{background:var(--ink);color:var(--snow);border-bottom:1px solid rgba(185,255,57,.16)}
.header-utility__inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding-block:6px}
.header-utility__season{display:flex;align-items:center;gap:10px;margin:0;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:rgba(221,242,245,.68);max-width:none}
.header-utility__season .mono{color:var(--gold-soft);letter-spacing:.12em}
.header-utility__actions{display:flex;align-items:center;gap:14px}

.util-link{position:relative;padding-block:4px;font-size:12px;letter-spacing:.12em;text-decoration:none;color:rgba(221,242,245,.82);transition:color .2s var(--ease)}
.util-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:0 50%;transition:transform .24s var(--ease)}
.util-link:hover{color:var(--lime)}
.util-link:hover::after{transform:scaleX(1)}

.nav-toggle{display:none;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(185,255,57,.45);border-radius:var(--radius);color:var(--snow);font-size:11px;letter-spacing:.16em;cursor:pointer;transition:color .2s var(--ease),border-color .2s var(--ease)}
.nav-toggle__bars{position:relative;display:block;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 .24s var(--ease)}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.nav-toggle[aria-expanded="true"]{color:var(--lime);border-color:var(--lime)}
.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)}

.masthead{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--paper),rgba(221,242,245,.7))}
.masthead::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:linear-gradient(90deg,rgba(200,161,90,.2) 1px,transparent 1px);background-size:64px 100%}
.masthead__grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;padding-block:clamp(14px,2.2vw,24px)}
.masthead__index{margin:0;font-family:var(--font-mono);font-size:10px;line-height:1.8;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink);max-width:none}
.masthead__center{text-align:center}
.masthead__end{display:flex;justify-content:flex-end}

.brandmark{display:inline-block;text-decoration:none}
.brandmark__word{display:block;font-family:var(--font-display);font-weight:900;font-size:clamp(26px,4.6vw,44px);line-height:1;letter-spacing:.12em;color:var(--deep);transition:color .2s var(--ease)}
.brandmark__latin{display:block;margin-top:8px;font-family:var(--font-mono);font-size:10px;letter-spacing:.4em;text-transform:uppercase;color:var(--gold-ink);opacity:.9}
.brandmark:hover .brandmark__word{color:var(--ink)}

.site-nav{background:var(--deep);border-top:1px solid var(--line-strong)}
.site-nav__list{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(6px,2vw,28px);margin:0}
.site-nav__link{position:relative;display:inline-block;padding:14px 6px;font-size:13.5px;font-weight:500;letter-spacing:.14em;text-decoration:none;color:rgba(248,251,250,.8);transition:color .2s var(--ease)}
.site-nav__link::before{content:"";position:absolute;left:6px;right:6px;bottom:8px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:50% 50%;transition:transform .26s var(--ease)}
.site-nav__link:hover{color:var(--paper)}
.site-nav__link:hover::before{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--lime)}
.site-nav__link[aria-current="page"]::before{transform:scaleX(1)}

.league-ticker{background:var(--gold-soft);border-bottom:1px solid var(--line-strong);color:var(--deep)}
.league-ticker__inner{display:flex;align-items:center;gap:14px;min-height:42px}
.league-ticker__label{flex:none;margin:0;padding-right:12px;border-right:1px solid rgba(107,79,28,.32);font-family:var(--font-mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:#6b4f1c;max-width:none}
.league-ticker__list{display:flex;align-items:center;gap:clamp(10px,2vw,26px);overflow-x:auto;padding-block:11px;scrollbar-width:thin;scroll-snap-type:x proximity}
.league-ticker__link{flex:none;padding-block:2px;border-bottom:1px solid transparent;font-size:12.5px;letter-spacing:.14em;text-decoration:none;white-space:nowrap;color:#3d2f12;scroll-snap-align:start;transition:border-color .2s var(--ease),color .2s var(--ease)}
.league-ticker__link:hover{border-bottom-color:#3d2f12;color:#1a1206}

/* 11. 页脚 */
.site-footer{position:relative;padding-block:clamp(36px,6vw,64px) 0;background:var(--ink);color:rgba(221,242,245,.74);border-top:3px solid var(--deep)}
.site-footer::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:clamp(24px,4vw,56px);padding-bottom:clamp(28px,4vw,44px)}
.footer-brand__word{margin:0;font-family:var(--font-display);font-weight:900;font-size:clamp(22px,2.6vw,28px);letter-spacing:.14em;color:var(--paper);line-height:1.1}
.footer-brand__latin{margin:10px 0 0;font-family:var(--font-mono);font-size:10px;letter-spacing:.36em;text-transform:uppercase;color:var(--gold);max-width:none}
.footer-brand__promise{margin-top:16px;max-width:30ch;font-size:14px;line-height:1.8;color:rgba(221,242,245,.72)}
.footer-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;margin-top:16px;font-size:12px;letter-spacing:.06em;color:rgba(221,242,245,.55);max-width:none}
.footer-meta__key{display:inline-block;padding:1px 6px;border:1px solid rgba(200,161,90,.4);border-radius:var(--radius);font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
.footer-col{margin:0}
.footer-col__title{margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid rgba(200,161,90,.28);font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--snow);line-height:1.5}
.footer-list{display:grid;gap:10px;margin:0}
.footer-list--contact{gap:14px}
.footer-link{position:relative;display:inline-block;font-size:14px;text-decoration:none;color:rgba(221,242,245,.76);transition:color .2s var(--ease)}
.footer-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:0 50%;transition:transform .24s var(--ease)}
.footer-link:hover{color:var(--lime)}
.footer-link:hover::after{transform:scaleX(1)}
.footer-contact__row{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;font-size:13px;line-height:1.7;color:rgba(221,242,245,.78)}
.footer-legal{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;padding-block:18px;border-top:1px solid rgba(200,161,90,.3)}
.footer-legal__copy{margin:0;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:rgba(221,242,245,.55);max-width:none}
.footer-legal__list{display:flex;flex-wrap:wrap;gap:14px}
.footer-legal__link{padding-bottom:1px;border-bottom:1px solid rgba(200,161,90,.35);font-size:11px;letter-spacing:.14em;text-decoration:none;color:rgba(221,242,245,.68);transition:color .2s var(--ease),border-color .2s var(--ease)}
.footer-legal__link:hover{color:var(--lime);border-bottom-color:var(--lime)}

/* 12. 滚动显现 */
html[data-reveal-ready] [data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
html[data-reveal-ready] [data-reveal].is-revealed{opacity:1;transform:none}

/* 13. 响应式 */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  body{font-size:16px;background-size:72px 72px,72px 72px}
  .nav-toggle{display:inline-flex}
  .masthead__grid{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding-block:12px}
  .masthead__index{display:none}
  .masthead__center{text-align:left}
  .brandmark__word{font-size:clamp(22px,6vw,30px);letter-spacing:.1em}
  .brandmark__latin{margin-top:5px;font-size:9px;letter-spacing:.28em}
  .masthead__end{justify-content:flex-end}
  .btn--ios{padding:8px 12px;font-size:11px}

  .site-nav{display:none;border-top:1px solid var(--line-strong)}
  .site-nav[data-open]{display:block}
  .site-nav__list{flex-direction:column;gap:0;padding-block:6px}
  .site-nav__list > li{border-top:1px solid rgba(221,242,245,.12)}
  .site-nav__list > li:first-child{border-top:0}
  .site-nav__link{display:block;padding:14px 12px;font-size:15px;letter-spacing:.12em}
  .site-nav__link::before{left:0;right:auto;top:9px;bottom:9px;width:2px;height:auto;transform:scaleY(0);transform-origin:50% 0}
  .site-nav__link:hover::before,.site-nav__link[aria-current="page"]::before{transform:scaleY(1)}

  .league-ticker__inner{gap:10px;min-height:40px}
  .league-ticker__label{font-size:9px;letter-spacing:.16em;padding-right:10px}
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .header-utility__inner{flex-wrap:wrap;row-gap:4px;padding-block:8px}
  .header-utility__season{font-size:10px;letter-spacing:.12em}
  .header-utility__actions{gap:10px;margin-left:auto}
  .util-link{font-size:11px;letter-spacing:.08em}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-legal{flex-direction:column;align-items:flex-start}
  .media-frame--wide{aspect-ratio:4/3}
}

/* 14. 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}
  html[data-reveal-ready] [data-reveal]{opacity:1 !important;transform:none !important}
  .reading-progress__bar{transition:none}
}