/* ============================================================
   皇冠足球主站 · 共享样式 /assets/site.css
   墨绿夜场 + 皇家金档案库 · 纸张叠层与印刷边框
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img,svg,video,canvas{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
a{color:inherit;text-decoration:none;}
table{border-collapse:collapse;width:100%;}
#main-content{display:block;scroll-margin-top:112px;}

/* ---------- 2. 变量 ---------- */
:root{
  --ink:#08211A;
  --ink-deep:#061914;
  --ink-2:#0F2F25;
  --ink-3:#174736;
  --gold:#C9A227;
  --gold-bright:#E9CE7B;
  --blue:#3F7FA6;
  --orange:#E2703A;
  --paper:#F3EEE3;
  --muted:#9FB8AC;
  --line:rgba(201,162,39,.28);
  --line-soft:rgba(159,184,172,.18);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-cond:"Oswald","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --wrap:1240px;
  --gutter:clamp(16px,4vw,48px);
  --header-h:74px;
  --shadow:0 20px 44px -30px rgba(0,0,0,.9);
}

/* ---------- 3. 基础中文排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(90% 60% at 92% -12%, rgba(201,162,39,.10), transparent 62%),
    radial-gradient(70% 55% at 2% 108%, rgba(63,127,166,.12), transparent 66%),
    linear-gradient(180deg,#08211A 0%,#061914 100%);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.28;letter-spacing:.02em;color:var(--paper);}
p{color:var(--paper);}
strong{color:var(--gold-bright);font-weight:600;}
::selection{background:var(--gold);color:var(--ink);}
:focus-visible{outline:2px solid var(--gold-bright);outline-offset:3px;}

/* ---------- 4. 工具与容器 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:clamp(40px,6vw,80px);}
.section--tight{padding-block:clamp(24px,3.5vw,48px);}
.stack{display:grid;gap:var(--stack-gap,16px);}
.mono{font-family:var(--font-mono);font-size:.92em;letter-spacing:.04em;}
.hairline{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--gold),rgba(201,162,39,.06));transform-origin:left center;transition:transform .6s ease;}
.js .hairline{transform:scaleX(0);}
.js .hairline.is-visible{transform:scaleX(1);}
.js [data-reveal]{opacity:0;transform:translateY(10px);transition:opacity .5s ease,transform .5s ease;}
.js [data-reveal].is-visible{opacity:1;transform:none;}
[data-section]{position:relative;}
[data-section]::before{content:"";position:absolute;left:-14px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--gold),rgba(201,162,39,0));opacity:0;transition:opacity .35s ease;}
[data-section].is-current::before{opacity:1;}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-cond);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);}
.section-title{font-family:var(--font-serif);font-size:clamp(22px,3vw,30px);line-height:1.3;}
.lede{font-size:clamp(15px,1.6vw,18px);color:var(--muted);max-width:62ch;line-height:1.85;}
.prose{max-width:72ch;}
.prose p{margin:0 0 1.1em;}
.prose h2,.prose h3{margin:1.6em 0 .6em;font-size:clamp(19px,2vw,24px);}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em;list-style:disc;}
.prose li{margin-bottom:.4em;color:var(--muted);}

/* ---------- 5. 按钮 / 标签 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 22px;border:1px solid var(--gold);background:var(--gold);color:var(--ink);font-family:var(--font-cond);font-size:13px;letter-spacing:.16em;text-transform:uppercase;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;}
.btn:hover{background:var(--gold-bright);border-color:var(--gold-bright);}
.btn:active{transform:translateY(1px);}
.btn--ghost{background:transparent;color:var(--paper);border-color:var(--line);}
.btn--ghost:hover{background:rgba(201,162,39,.08);border-color:var(--gold);color:var(--gold-bright);}

.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border:1px solid var(--line);background:rgba(15,47,37,.7);font-family:var(--font-cond);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);}
.tag--gold{color:var(--gold-bright);border-color:rgba(201,162,39,.55);}
.tag--orange{color:var(--orange);border-color:rgba(226,112,58,.5);}
.tag--orange::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}
.version-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 10px;border:1px solid var(--gold);background:rgba(201,162,39,.1);font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--gold-bright);transition:opacity .2s ease;}
.version-badge.is-swapping{opacity:.35;}

/* ---------- 6. 卡片 / 图片容器 / 栅格 ---------- */
.card{position:relative;padding:clamp(16px,2.2vw,24px);background:linear-gradient(160deg,rgba(23,71,54,.55),rgba(15,47,37,.92));border:1px solid var(--line-soft);border-left:2px solid rgba(201,162,39,.5);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;}
.card:hover{transform:translateY(-2px);border-color:rgba(201,162,39,.55);box-shadow:var(--shadow);}
.card__title{margin:0 0 8px;font-family:var(--font-serif);font-size:19px;}
.card__meta{margin:0;font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--muted);}
.card__body{margin:10px 0 0;font-size:14px;color:var(--muted);}

.media{position:relative;overflow:hidden;background:linear-gradient(140deg,#0F2F25,#08211A 62%);border:1px solid var(--line-soft);}
.media::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(159,184,172,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(159,184,172,.06) 1px,transparent 1px);background-size:38px 38px;}
.media img,.media video{width:100%;height:100%;object-fit:cover;}
.media--16x9{aspect-ratio:16/9;}
.media--4x3{aspect-ratio:4/3;}
.media--1x1{aspect-ratio:1/1;}
.media--wide{aspect-ratio:21/9;}
.media__caption{margin-top:8px;font-family:var(--font-mono);font-size:12px;letter-spacing:.03em;color:var(--muted);}

.grid{display:grid;gap:clamp(16px,2.4vw,28px);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--aside{grid-template-columns:minmax(220px,300px) minmax(0,1fr);}

/* ---------- 7. 面包屑 ---------- */
.breadcrumb{padding-block:14px;border-bottom:1px solid var(--line-soft);}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-cond);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);}
.breadcrumb__item{display:flex;align-items:center;gap:8px;}
.breadcrumb__link{color:var(--muted);transition:color .18s ease;}
.breadcrumb__link:hover,.breadcrumb__link:focus-visible{color:var(--gold-bright);}
.breadcrumb__sep{color:var(--line);}
.breadcrumb__item[aria-current="page"]{color:var(--gold);}

/* ---------- 8. 跳转链接 ---------- */
.skip-link{position:absolute;left:12px;top:-72px;z-index:200;padding:10px 16px;background:var(--gold);color:var(--ink);font-family:var(--font-cond);font-size:12px;letter-spacing:.14em;text-transform:uppercase;transition:top .2s ease;}
.skip-link:focus{top:12px;}

/* ---------- 9. 共享头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:linear-gradient(180deg,rgba(15,47,37,.98),rgba(8,33,26,.96));border-bottom:1px solid var(--line);backdrop-filter:blur(6px);}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,var(--gold) 0%,rgba(201,162,39,.15) 42%,transparent 88%);pointer-events:none;}
.read-progress{position:absolute;top:0;left:0;right:0;height:2px;background:rgba(159,184,172,.14);}
.read-progress__bar{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--gold) 55%,var(--gold-bright));transition:width .12s linear;}
.site-header__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:var(--header-h);padding-block:10px;}

.brand{display:flex;align-items:center;gap:14px;min-width:0;}
.brand__link{display:flex;align-items:center;gap:12px;}
.brand__mark{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--gold);background:linear-gradient(140deg,rgba(201,162,39,.2),transparent 70%);color:var(--gold-bright);font-family:var(--font-serif);font-size:20px;line-height:1;}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__name{font-family:var(--font-serif);font-size:17px;letter-spacing:.06em;color:var(--paper);}
.brand__sub{font-family:var(--font-cond);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);}
.season-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border:1px solid var(--line);background:rgba(23,71,54,.55);font-family:var(--font-mono);font-size:11px;}
.season-badge__label{color:var(--muted);letter-spacing:.08em;}
.season-badge__num{color:var(--gold-bright);letter-spacing:.06em;}

.primary-nav{display:flex;align-items:center;gap:18px;}
.primary-nav__list{display:flex;align-items:center;}
.primary-nav__item{display:flex;}
.primary-nav__item + .primary-nav__item{border-left:1px solid var(--line);}
.primary-nav__link{position:relative;display:block;padding:6px 14px;font-family:var(--font-cond);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);transition:color .18s ease;}
.primary-nav__link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left center;transition:transform .24s ease;}
.primary-nav__link:hover,.primary-nav__link:focus-visible{color:var(--gold-bright);}
.primary-nav__link:hover::after{transform:scaleX(1);}
.primary-nav__link[aria-current="page"]{color:var(--gold-bright);}
.primary-nav__link[aria-current="page"]::after{transform:scaleX(1);}
.nav-utility{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--line);font-family:var(--font-cond);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--paper);transition:border-color .2s ease,color .2s ease,background .2s ease;}
.nav-utility:hover,.nav-utility:focus-visible{border-color:var(--gold);color:var(--gold-bright);background:rgba(201,162,39,.08);}
.nav-utility__dot{width:6px;height:6px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 3px rgba(226,112,58,.18);}

.nav-toggle{display:none;align-items:center;gap:10px;padding:8px 12px;background:transparent;border:1px solid var(--line);color:var(--paper);font-family:var(--font-cond);font-size:11px;letter-spacing:.16em;text-transform:uppercase;cursor:pointer;transition:border-color .2s ease,color .2s ease;}
.nav-toggle:hover{border-color:var(--gold);color:var(--gold-bright);}
.nav-toggle__box{display:grid;gap:4px;width:18px;}
.nav-toggle__bar{display:block;height:1.5px;background:currentColor;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}
.nav-toggle__label{line-height:1;}

.site-header.is-condensed .site-header__inner{min-height:58px;padding-block:6px;}
.site-header.is-condensed .brand__sub{display:none;}
.site-header.is-condensed .brand__mark{width:32px;height:32px;font-size:17px;}

/* ---------- 10. 共享页脚 ---------- */
.site-footer{position:relative;background:linear-gradient(180deg,#0F2F25 0%,#061914 100%);border-top:1px solid var(--line);padding-top:clamp(32px,5vw,60px);}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;width:min(280px,40%);height:2px;background:var(--gold);}
.site-footer__top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;padding-bottom:22px;border-bottom:1px solid var(--line-soft);}
.site-footer__brand{max-width:640px;}
.site-footer__logo{font-family:var(--font-serif);font-size:clamp(22px,3vw,30px);letter-spacing:.06em;color:var(--paper);}
.site-footer__tag{margin-top:6px;font-size:14px;color:var(--muted);max-width:52ch;}
.site-footer__note{margin:0;font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--gold);}
.site-footer__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(20px,3vw,36px);padding-block:clamp(26px,4vw,44px);}
.footer-col{min-width:0;}
.footer-col__title{margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--line);font-family:var(--font-cond);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);}
.footer-list{display:grid;gap:9px;}
.footer-list__link{font-size:14px;color:var(--muted);transition:color .18s ease;}
.footer-list__link:hover,.footer-list__link:focus-visible{color:var(--gold-bright);}
.footer-contact{display:grid;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-soft);}
.footer-contact__row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.footer-contact__value{word-break:break-all;line-height:1.6;}
.copy-btn{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;background:rgba(23,71,54,.55);border:1px solid var(--line);color:var(--muted);font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;cursor:pointer;transition:border-color .18s ease,color .18s ease,background .18s ease;}
.copy-btn:hover{border-color:var(--gold);color:var(--gold-bright);}
.copy-btn.is-copied{background:var(--gold);border-color:var(--gold);color:var(--ink);}
.site-footer__bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-block:18px 28px;border-top:1px solid var(--line-soft);font-size:12px;color:var(--muted);}
.site-footer__copy{margin:0;color:var(--muted);}
.site-footer__legal{margin:0;color:var(--muted);}

/* ---------- 11. 平板 ---------- */
@media (max-width:1024px){
  .primary-nav__link{padding:6px 10px;letter-spacing:.1em;}
  .primary-nav{gap:12px;}
  .primary-nav__link::after{left:10px;right:10px;}
  .site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .site-header__inner{min-height:64px;}
  .primary-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:10px var(--gutter) 20px;background:linear-gradient(180deg,rgba(15,47,37,.99),rgba(8,33,26,.99));border-top:1px solid var(--line);border-bottom:2px solid var(--gold);box-shadow:var(--shadow);}
  .primary-nav[data-open]{display:flex;}
  .primary-nav__list{flex-direction:column;align-items:stretch;width:100%;}
  .primary-nav__item + .primary-nav__item{border-left:0;border-top:1px solid var(--line-soft);}
  .primary-nav__link{padding:14px 2px;font-size:14px;letter-spacing:.12em;}
  .primary-nav__link::after{left:2px;right:auto;width:30px;}
  .nav-utility{margin-top:16px;justify-content:center;}
  .grid--2,.grid--3,.grid--aside{grid-template-columns:minmax(0,1fr);}
  [data-section]::before{display:none;}
}
/* ---------- 12. 手机 ---------- */
@media (max-width:600px){
  :root{--header-h:60px;}
  .brand__sub{display:none;}
  .brand__mark{width:32px;height:32px;font-size:17px;}
  .brand__name{font-size:15px;}
  .season-badge{padding:3px 6px;font-size:10px;}
  .nav-toggle__label{display:none;}
  .site-footer__grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .site-footer__top{align-items:flex-start;}
  .site-footer__note{font-size:11px;}
  .site-footer__bottom{flex-direction:column;align-items:flex-start;}
}

/* ---------- 13. 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;}
  .js [data-reveal]{opacity:1;transform:none;}
  .js .hairline{transform:none;}
}