/* ============================================================
   吉祥访体育 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 通用组件
   ============================================================ */

/* ---------- 1. RESET ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper-50);color:var(--indigo-900);font-family:var(--font-body);font-size:17px;line-height:1.75;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0}
img,svg{display:block;max-width:100%;height:auto}
[id]{scroll-margin-top:132px}
::selection{background:var(--indigo-700);color:#fff}

/* ---------- 2. 变量 ---------- */
:root{
  --indigo-900:#101E33;
  --indigo-700:#1E3A6E;
  --indigo-500:#2F5596;
  --indigo-100:#E3E9F5;
  --red-600:#B3202E;
  --red-400:#D6485A;
  --red-50:#FBEDEE;
  --gold-500:#C9A227;
  --gold-100:#F4EBD2;
  --paper-50:#F7F6F2;
  --paper:#FFFFFF;
  --stone-300:#C9C7C0;
  --graphite-600:#5A5F68;
  --teal-600:#1F6F63;

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

  --edge:2px solid var(--indigo-900);
  --edge-soft:2px solid var(--stone-300);
  --hard-shadow:6px 6px 0 var(--stone-300);
  --shell:1240px;
  --label:0.16em;
}

/* ---------- 3. 焦点与可访问性 ---------- */
:focus-visible{outline:3px solid var(--indigo-500);outline-offset:3px}
.site-footer :focus-visible{outline-color:var(--gold-500)}
.skip-link{position:absolute;left:16px;top:-72px;z-index:200;display:inline-block;padding:10px 18px;background:var(--indigo-900);color:#fff;font-weight:700;font-size:14px;letter-spacing:0.06em;border:2px solid var(--gold-500);border-radius:2px;transition:top .18s ease-out}
.skip-link:focus{top:12px}

/* ---------- 4. 布局工具 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}
.stack{display:grid;gap:clamp(20px,3vw,32px)}
.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(18px,2.4vw,28px)}
.col-main{grid-column:span 7}
.col-side{grid-column:span 4}

/* ---------- 5. 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--paper);border-bottom:var(--edge)}
.scroll-meter{position:absolute;left:0;right:0;top:0;height:3px;background:rgba(227,233,245,0.28);pointer-events:none}
.scroll-meter__fill{display:block;height:100%;width:0;background:var(--gold-500);transition:width .12s linear}

.header-utility{background:var(--indigo-900);color:var(--indigo-100);background-image:repeating-linear-gradient(45deg,rgba(227,233,245,0.07) 0 2px,transparent 2px 16px)}
.header-utility__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 24px;padding-block:8px}
.header-utility__statement{font-size:12px;font-weight:700;letter-spacing:0.08em;color:#fff}
.header-utility__note{font-family:var(--font-mono);font-size:11px;letter-spacing:0.14em;color:var(--gold-500);text-transform:uppercase}

.header-main{background:var(--paper);padding-block:12px}
.header-main__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 28px}

.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand__mark{position:relative;display:block;flex:none;width:38px;height:38px;background:var(--indigo-700);border:var(--edge);border-radius:2px;box-shadow:4px 4px 0 var(--stone-300)}
.brand__thread{position:absolute;left:5px;right:5px;top:50%;height:2px;background:var(--gold-500);transform:rotate(-45deg);transform-origin:center}
.brand__dot{position:absolute;right:5px;top:5px;width:7px;height:7px;background:var(--red-400)}
.brand__text{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand__name{font-family:var(--font-head);font-weight:900;font-size:20px;line-height:1.1;letter-spacing:-0.01em;color:var(--indigo-900)}
.brand__tag{font-family:var(--font-mono);font-size:10px;line-height:1.4;letter-spacing:0.16em;color:var(--graphite-600);text-transform:uppercase}

.primary-nav{display:flex;align-items:center;gap:22px}
.primary-nav__list{display:flex;align-items:center;gap:2px}
.primary-nav__link{display:inline-flex;align-items:baseline;gap:7px;padding:9px 11px;border:2px solid transparent;border-radius:2px;color:var(--indigo-900);font-size:15px;font-weight:700;line-height:1.2;transition:background .18s,border-color .18s,color .18s,box-shadow .18s}
.primary-nav__num{font-family:var(--font-mono);font-size:11px;letter-spacing:0.08em;color:var(--graphite-600)}
.primary-nav__link:hover{background:var(--indigo-100);border-color:var(--indigo-100);color:var(--indigo-700)}
.primary-nav__link[aria-current="page"]{background:var(--indigo-700);border-color:var(--indigo-900);color:#fff;box-shadow:3px 3px 0 var(--gold-500)}
.primary-nav__link[aria-current="page"] .primary-nav__num{color:var(--gold-100)}
.header-actions{display:flex;align-items:center;gap:10px}

.nav-toggle{display:none;align-items:center;gap:10px;padding:9px 13px;background:var(--paper);border:var(--edge);border-radius:2px;box-shadow:4px 4px 0 var(--stone-300);color:var(--indigo-900);font-weight:700;font-size:13px;letter-spacing:0.08em;cursor:pointer}
.nav-toggle__bars{display:block;width:18px;height:2px;background:currentColor;box-shadow:0 -6px 0 currentColor,0 6px 0 currentColor}
.nav-toggle__label{display:block;white-space:nowrap}
.site-header[data-open="true"] .nav-toggle{background:var(--indigo-700);border-color:var(--indigo-900);color:#fff;box-shadow:4px 4px 0 var(--gold-500)}

/* ---------- 6. 通用按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;background:var(--paper);border:var(--edge);border-radius:2px;color:var(--indigo-900);font-family:var(--font-body);font-weight:700;font-size:14px;line-height:1.3;letter-spacing:0.04em;box-shadow:4px 4px 0 var(--stone-300);cursor:pointer;transition:box-shadow .18s,border-color .18s,background .18s,color .18s}
.btn:hover{box-shadow:6px 6px 0 var(--gold-500);border-color:var(--indigo-900)}
.btn--primary{background:var(--indigo-700);border-color:var(--indigo-900);color:#fff}
.btn--primary:hover{background:var(--indigo-900);box-shadow:6px 6px 0 var(--gold-500)}
.btn--ghost{background:var(--red-50);border-color:var(--red-600);color:var(--red-600)}
.btn--ghost:hover{background:var(--red-600);color:#fff;box-shadow:6px 6px 0 var(--stone-300)}
.btn--sm{padding:7px 12px;font-size:12px;letter-spacing:0.12em;box-shadow:3px 3px 0 var(--stone-300)}

/* ---------- 7. 面板与章节抬头 ---------- */
.panel{position:relative;background:var(--paper);border:var(--edge);border-radius:2px;box-shadow:var(--hard-shadow);padding:clamp(18px,2.6vw,30px)}
.panel__index{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:var(--label);color:var(--graphite-600);text-transform:uppercase}
.panel__index::before{content:"";display:block;width:24px;height:2px;background:var(--gold-500)}
.panel__title{margin-top:10px;font-family:var(--font-head);font-weight:900;font-size:clamp(20px,2.4vw,26px);line-height:1.25;letter-spacing:-0.01em;color:var(--indigo-900)}
.panel__body{margin-top:12px;font-size:15px;line-height:1.8;color:var(--graphite-600)}

.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px 24px;margin-bottom:clamp(16px,2vw,24px);padding-bottom:10px;border-bottom:var(--edge)}
.section-head__eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:var(--label);color:var(--indigo-700);text-transform:uppercase}
.section-head__title{font-family:var(--font-head);font-weight:900;font-size:clamp(24px,3.4vw,36px);line-height:1.15;letter-spacing:-0.015em;color:var(--indigo-900)}

/* ---------- 8. 侧边索引 ---------- */
.rail{position:sticky;top:130px;background:var(--paper);border:var(--edge);border-radius:2px;box-shadow:var(--hard-shadow);padding:14px}
.rail__item{border-bottom:2px solid var(--indigo-100)}
.rail__item:last-child{border-bottom:0}
.rail__link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 8px;font-size:14px;font-weight:700;color:var(--indigo-900);border-left:4px solid transparent;transition:background .18s,border-color .18s,color .18s}
.rail__link:hover{background:var(--indigo-100)}
.rail__link[aria-current="true"]{background:var(--indigo-700);border-left-color:var(--gold-500);color:#fff}
.rail__link[aria-current="true"] .rail__count{color:var(--gold-100)}
.rail__count{font-family:var(--font-mono);font-size:11px;letter-spacing:0.08em;color:var(--graphite-600)}

/* ---------- 9. 标签与筛选 ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border:2px solid transparent;border-radius:2px;font-size:11px;font-weight:700;line-height:1.5;letter-spacing:var(--label);text-transform:uppercase}
.tag--league{background:var(--indigo-100);border-color:var(--indigo-700);color:var(--indigo-700)}
.tag--cup{background:var(--red-50);border-color:var(--red-600);color:var(--red-600)}

.chip{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;background:var(--paper);border:2px solid var(--stone-300);border-radius:2px;font-size:13px;font-weight:700;letter-spacing:0.06em;color:var(--indigo-900);cursor:pointer;transition:background .18s,border-color .18s,color .18s,box-shadow .18s}
.chip:hover{border-color:var(--indigo-700)}
.chip[aria-pressed="true"]{border-color:var(--indigo-900);box-shadow:3px 3px 0 var(--gold-500)}
.chip--league[aria-pressed="true"]{background:var(--indigo-700);color:#fff}
.chip--cup[aria-pressed="true"]{background:var(--red-600);color:#fff}

/* ---------- 10. 图片容器基础规则 ---------- */
.media-frame{position:relative;display:block;width:100%;aspect-ratio:16 / 9;overflow:hidden;background:var(--indigo-100);border:var(--edge);border-radius:2px;box-shadow:var(--hard-shadow)}
.media-frame__img{display:block;width:100%;height:100%;object-fit:cover}
.media-frame__caption{position:absolute;left:0;right:0;bottom:0;padding:8px 12px;background:rgba(16,30,51,0.88);color:var(--paper);font-family:var(--font-mono);font-size:11px;line-height:1.6;letter-spacing:0.12em}
.media-frame--tactical{aspect-ratio:4 / 3;background-color:var(--indigo-100);background-image:repeating-linear-gradient(0deg,rgba(30,58,110,0.16) 0 1px,transparent 1px 32px),repeating-linear-gradient(90deg,rgba(30,58,110,0.16) 0 1px,transparent 1px 32px)}

/* ---------- 11. 面包屑 / 正文 / 数字 ---------- */
.crumbs{font-family:var(--font-mono);font-size:12px;letter-spacing:0.08em;color:var(--graphite-600)}
.crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs__link{color:var(--indigo-700);border-bottom:2px solid var(--indigo-100);transition:border-color .18s,color .18s}
.crumbs__link:hover{border-color:var(--indigo-700);color:var(--indigo-900)}
.crumbs__sep{color:var(--stone-300)}

.prose{max-width:72ch;font-size:17px;line-height:1.85;color:var(--indigo-900)}
.prose p{margin:0 0 1.1em}
.prose h2{font-family:var(--font-head);font-weight:900;font-size:clamp(20px,2.4vw,26px);line-height:1.3;letter-spacing:-0.01em;margin:1.6em 0 .6em}
.prose h3{font-family:var(--font-head);font-weight:900;font-size:17px;line-height:1.4;margin:1.4em 0 .5em}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.3em;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:.4em}
.prose a{color:var(--indigo-700);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.prose a:hover{color:var(--red-600)}
.prose strong{font-weight:900}

.data-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:0.01em}

/* ---------- 12. 进入显现 ---------- */
.reveal-ready [data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .32s ease-out,transform .32s ease-out}
.reveal-ready [data-reveal].is-visible{opacity:1;transform:translateY(0)}

/* ---------- 13. 复制按钮 ---------- */
.copy-btn{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;background:transparent;border:2px solid rgba(227,233,245,0.38);border-radius:2px;color:var(--indigo-100);font-family:var(--font-mono);font-size:11px;line-height:1.5;letter-spacing:0.08em;cursor:pointer;transition:background .18s,border-color .18s,color .18s}
.copy-btn:hover{border-color:var(--gold-500);color:var(--gold-500)}
.copy-btn[data-copied="true"]{background:var(--teal-600);border-color:var(--teal-600);color:#fff}

/* ---------- 14. 页脚 ---------- */
.site-footer{position:relative;background-color:var(--indigo-900);background-image:repeating-linear-gradient(45deg,rgba(227,233,245,0.05) 0 2px,transparent 2px 16px);color:var(--indigo-100);border-top:var(--edge)}
.footer-utility{border-bottom:2px solid rgba(227,233,245,0.22)}
.footer-utility__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 24px;padding-block:12px}
.footer-utility__coord,.footer-utility__meta{font-family:var(--font-mono);font-size:11px;line-height:1.6;letter-spacing:var(--label);text-transform:uppercase}
.footer-utility__coord{color:var(--gold-500)}
.footer-utility__meta{color:rgba(227,233,245,0.72)}

.footer-body{padding-block:clamp(32px,5vw,60px)}
.footer-body__inner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,0.9fr);gap:clamp(22px,4vw,40px)}

.footer-lead__eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:var(--label);text-transform:uppercase;color:var(--gold-500)}
.footer-lead__statement{margin-top:10px;font-family:var(--font-head);font-weight:900;font-size:clamp(20px,2.6vw,30px);line-height:1.32;letter-spacing:-0.015em;color:#fff}
.footer-lead__meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

.footer-contact{padding:18px 20px;background:rgba(227,233,245,0.05);border:2px solid rgba(227,233,245,0.32);border-radius:2px;box-shadow:6px 6px 0 rgba(201,162,39,0.34)}
.footer-contact__title{font-family:var(--font-mono);font-size:11px;letter-spacing:var(--label);text-transform:uppercase;color:var(--gold-500);margin-bottom:12px}
.footer-contact__row{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;padding-block:9px;border-bottom:2px solid rgba(227,233,245,0.14)}
.footer-contact__row:last-of-type{border-bottom:0}
.footer-contact__label{flex:none;width:52px;font-family:var(--font-mono);font-size:10px;letter-spacing:var(--label);text-transform:uppercase;color:rgba(227,233,245,0.6)}
.footer-contact__value{font-size:14px;line-height:1.6;color:#fff;overflow-wrap:anywhere}
.footer-contact__note{margin-top:12px;font-size:12px;line-height:1.7;color:rgba(227,233,245,0.72)}

.footer-cols{grid-column:1 / -1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px 24px;margin-top:6px;padding-top:24px;border-top:2px solid rgba(227,233,245,0.22)}
.footer-col__title{font-family:var(--font-mono);font-size:11px;letter-spacing:var(--label);text-transform:uppercase;color:var(--gold-500);margin-bottom:12px}
.footer-col__list{display:grid;gap:10px}
.footer-col__link{display:inline-block;padding-bottom:2px;font-size:14px;font-weight:700;color:var(--indigo-100);border-bottom:2px solid transparent;transition:color .18s,border-color .18s}
.footer-col__link:hover{color:#fff;border-bottom-color:var(--gold-500)}

.footer-legal{border-top:2px solid rgba(227,233,245,0.22);padding-block:16px}
.footer-legal__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px}
.footer-legal__brand{font-family:var(--font-head);font-weight:900;font-size:13px;letter-spacing:0.04em;color:#fff}
.footer-legal__meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-family:var(--font-mono);font-size:11px;letter-spacing:0.08em;color:rgba(227,233,245,0.7)}
.footer-legal__copy{white-space:nowrap}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-legal__link{padding-bottom:1px;font-size:12px;letter-spacing:0.06em;color:var(--indigo-100);border-bottom:2px solid rgba(227,233,245,0.3);transition:color .18s,border-color .18s}
.footer-legal__link:hover{color:var(--gold-500);border-color:var(--gold-500)}

/* ---------- 15. 响应式 ---------- */
@keyframes nav-drop{
  from{opacity:0;transform:translateY(-8px)}
  to{opacity:1;transform:translateY(0)}
}

@media (max-width:1140px){
  .header-main__inner{flex-wrap:wrap;gap:12px 16px}
  .nav-toggle{display:inline-flex}
  .primary-nav{display:none;flex-basis:100%;order:3;flex-direction:column;align-items:stretch;gap:14px;margin-top:2px;padding-top:14px;border-top:var(--edge);max-height:calc(100vh - 180px);overflow-y:auto;overscroll-behavior:contain}
  .site-header[data-open="true"] .primary-nav{display:flex;animation:nav-drop .22s ease-out both}
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .primary-nav__item{border-bottom:2px solid var(--indigo-100)}
  .primary-nav__item:last-child{border-bottom:0}
  .primary-nav__link{width:100%;padding:13px 10px;border:0;border-left:4px solid transparent;border-radius:0;font-size:16px}
  .primary-nav__link:hover{background:var(--indigo-100);border-left-color:var(--indigo-700);color:var(--indigo-900)}
  .primary-nav__link[aria-current="page"]{background:var(--indigo-100);color:var(--indigo-900);border-left-color:var(--red-600);box-shadow:none}
  .primary-nav__link[aria-current="page"] .primary-nav__num{color:var(--red-600)}
  .header-actions{flex-wrap:wrap;padding-bottom:6px}
  .header-actions .btn{flex:1 1 160px}
  .rail{position:static;top:auto;display:flex;gap:6px;overflow-x:auto;padding:10px}
  .rail__item{border-bottom:0;border-right:2px solid var(--indigo-100);flex:none}
  .rail__item:last-child{border-right:0}
  .rail__link{white-space:nowrap;border-left:0;border-bottom:4px solid transparent}
  .rail__link[aria-current="true"]{border-left:0;border-bottom-color:var(--gold-500)}
}

@media (max-width:900px){
  .grid-12{grid-template-columns:1fr}
  .col-main,.col-side{grid-column:1 / -1}
  .footer-body__inner{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-legal__inner{gap:12px}
}

@media (max-width:640px){
  body{font-size:16px}
  .header-utility__statement{font-size:11px;letter-spacing:0.06em}
  .header-utility__note{font-size:10px;letter-spacing:0.1em}
  .brand__mark{width:34px;height:34px}
  .brand__name{font-size:18px}
  .brand__tag{font-size:9px;letter-spacing:0.12em}
  .footer-cols{grid-template-columns:1fr;gap:18px}
  .footer-contact{padding:16px}
  .footer-contact__value{font-size:13px}
  .media-frame{aspect-ratio:3 / 2}
  .footer-legal__links{gap:6px 14px}
}

/* ---------- 16. 降低动效偏好 ---------- */
@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;transition:none}
  .scroll-meter__fill{transition:none}
}