/* ============================================================
   米兰赛事 · 共享样式表 /assets/site.css
   骨架：深炭黑 × 暖白交替，主场红定身份，电光青做唯一高亮
   ============================================================ */

/* ---------- 0. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,address{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img,svg,video{display:block;max-width:100%;height:auto}
table{border-collapse:collapse;border-spacing:0}
:focus-visible{outline:3px solid #23D8CE;outline-offset:3px;border-radius:0}

/* ---------- 1. tokens ---------- */
:root{
  --red:#C4161C;
  --red-deep:#8E1015;
  --ink:#0E0D10;
  --graphite:#1B191F;
  --cream:#F6F1E9;
  --cyan:#23D8CE;
  --cyan-deep:#0E7C77;
  --orange:#FF6A2B;
  --slate:#6E6875;
  --slate-dark:#9E97A6;
  --mist:#D8D2CA;
  --gold:#F0B323;
  --vermillion:#E4402F;
  --white:#FFFFFF;

  --body-color:#26222C;
  --body-dim:#5C5666;
  --on-dark:#F6F1E9;
  --on-dark-dim:#B9B2BE;
  --hairline:rgba(216,210,202,.16);

  --font-sans:"Inter","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-cond:"Barlow Condensed","Oswald","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","Sarasa Mono SC",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --wrap:1180px;
  --gut:clamp(18px,4vw,44px);
  --hard:0 8px 0 0 var(--ink);
  --hard-red:0 8px 0 0 var(--red);
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 2. base ---------- */
body{
  background:var(--cream);
  color:var(--body-color);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{font-family:var(--font-cond);font-weight:900;line-height:1.14;letter-spacing:.01em;color:var(--ink)}
strong{font-weight:700}
em{font-style:normal;color:var(--red)}
::selection{background:var(--cyan);color:var(--ink)}

/* ---------- 3. utilities ---------- */
.wrap{width:min(var(--wrap),100% - var(--gut));margin-inline:auto}
.section{padding:clamp(48px,8vw,96px) 0}

.band{position:relative}
.band--ink{background:var(--ink);color:var(--on-dark)}
.band--graphite{background:var(--graphite);color:var(--on-dark)}
.band--cream{background:var(--cream);color:var(--body-color)}
.band--red{background:var(--red);color:var(--white)}
.band--ink h1,.band--ink h2,.band--ink h3,.band--ink h4,
.band--graphite h1,.band--graphite h2,.band--graphite h3,.band--graphite h4{color:var(--white)}
.band--red h1,.band--red h2,.band--red h3,.band--red h4{color:var(--white)}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--slate);
}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--red);flex:none}
.band--ink .eyebrow,.band--graphite .eyebrow{color:var(--slate-dark)}
.band--ink .eyebrow::before,.band--graphite .eyebrow::before{background:var(--cyan)}

.title-xl{font-size:clamp(38px,6vw,68px);letter-spacing:-.01em}
.title-lg{font-size:clamp(28px,4vw,44px)}
.title-md{font-size:clamp(21px,2.6vw,26px)}

.lede{font-size:18px;line-height:1.8;color:var(--body-dim);max-width:64ch}
.band--ink .lede,.band--graphite .lede{color:var(--on-dark-dim)}

.num{font-family:var(--font-cond);font-weight:900;font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:.94}
.mark{background:linear-gradient(transparent 62%,rgba(35,216,206,.5) 62%);padding:0 2px}
.mono-note{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--slate)}
.band--ink .mono-note,.band--graphite .mono-note{color:var(--slate-dark)}

.skip-link{
  position:absolute;top:-120px;left:50%;transform:translateX(-50%);
  z-index:200;background:var(--cyan);color:var(--ink);
  font-family:var(--font-mono);font-size:13px;font-weight:700;letter-spacing:.08em;
  padding:12px 22px;border:3px solid var(--ink);
}
.skip-link:focus{top:14px}

/* ---------- 4. buttons & pills ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-cond);font-weight:700;font-size:18px;letter-spacing:.06em;
  line-height:1;padding:15px 26px;
  background:var(--cream);color:var(--ink);
  border:3px solid var(--ink);
  box-shadow:0 6px 0 0 var(--ink);
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease),color .16s var(--ease);
}
.btn:hover{transform:translate(2px,2px);box-shadow:0 4px 0 0 var(--ink);background:var(--white)}
.btn:active{transform:translate(6px,6px);box-shadow:0 0 0 0 var(--ink)}
.btn--red{background:var(--red);color:var(--white)}
.btn--red:hover{background:var(--red-deep);color:var(--white)}
.btn--cyan{background:var(--cyan);color:var(--ink)}
.btn--cyan:hover{background:var(--white);color:var(--ink)}
.btn--ghost{background:transparent;color:var(--on-dark);border-color:var(--on-dark);box-shadow:0 6px 0 0 var(--red)}
.btn--ghost:hover{background:rgba(246,241,233,.1);color:var(--white);box-shadow:0 4px 0 0 var(--red)}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  padding:8px 14px;border:2px solid var(--ink);background:var(--white);color:var(--ink);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.pill:hover{background:var(--ink);color:var(--cream)}
.pill.is-active,.pill[aria-pressed="true"]{background:var(--red);color:var(--white);border-color:var(--ink)}

/* ---------- 5. header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--ink);color:var(--on-dark);
  border-bottom:3px solid var(--red);
}
.header-progress{
  position:absolute;left:0;right:0;bottom:0;height:3px;
  background:var(--red);z-index:4;pointer-events:none;
}
.header-progress__bar{display:block;height:100%;width:0;background:var(--cyan);transition:width .12s linear}

/* 刊头：品牌居中，版本徽章在左，栏目按钮在右 */
.masthead{background:var(--ink);border-bottom:1px solid var(--hairline)}
.masthead__inner{
  width:min(var(--wrap),100% - var(--gut));
  margin-inline:auto;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
  padding:24px 0 20px;
  transition:padding .22s var(--ease);
}
.masthead__brand{
  grid-column:2;justify-self:center;
  display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;
}
.masthead__name{
  position:relative;display:block;padding-bottom:9px;
  font-family:var(--font-cond);font-weight:900;
  font-size:clamp(30px,4.6vw,44px);line-height:.95;letter-spacing:.06em;
  color:var(--white);
  transition:font-size .22s var(--ease);
}
.masthead__name::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--red) 0 68%,var(--graphite) 68% 82%,var(--cyan) 82% 100%);
}
.masthead__sub{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;
  color:var(--cyan);text-transform:uppercase;
}
.masthead__badge{
  grid-column:1;justify-self:start;
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--on-dark);
  border:2px solid var(--orange);background:rgba(255,106,43,.09);
  padding:7px 11px;
  transition:padding .22s var(--ease);
}
.masthead__badge .dot{width:8px;height:8px;background:var(--orange);flex:none;animation:cp-pulse 2.6s ease-in-out infinite}
@keyframes cp-pulse{0%,100%{opacity:1}50%{opacity:.28}}

.nav-toggle{
  grid-column:3;justify-self:end;display:none;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  color:var(--on-dark);border:2px solid var(--mist);padding:10px 13px;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--white)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars i{display:block;height:2px;background:var(--cyan);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 脉搏条 */
.pulse-bar{background:var(--graphite);border-top:1px solid var(--hairline)}
.pulse-nav{display:block;width:min(var(--wrap),100% - var(--gut));margin-inline:auto}
.pulse-nav__list{display:flex;flex-wrap:wrap;justify-content:center}
.pulse-nav__list li{display:flex}
.pulse-nav__list a{
  display:flex;align-items:baseline;gap:9px;
  padding:15px 17px;
  font-family:var(--font-cond);font-weight:700;font-size:17px;letter-spacing:.06em;
  color:var(--on-dark);border-bottom:3px solid transparent;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),padding .22s var(--ease);
}
.pulse-nav__list a:hover{color:var(--white);background:rgba(196,22,28,.24)}
.pulse-nav__list .idx{
  font-family:var(--font-mono);font-size:11px;font-weight:400;letter-spacing:.08em;
  color:var(--slate-dark);font-variant-numeric:tabular-nums;
}
.pulse-nav__list a[aria-current="page"]{color:var(--white);border-bottom-color:var(--cyan)}
.pulse-nav__list a[aria-current="page"] .idx{color:var(--cyan)}

/* 滚动收缩态 */
.site-header[data-stuck="true"] .masthead__inner{padding:9px 0 8px}
.site-header[data-stuck="true"] .masthead__name{font-size:clamp(22px,3vw,30px)}
.site-header[data-stuck="true"] .masthead__sub{display:none}
.site-header[data-stuck="true"] .masthead__badge{padding:4px 8px}
.site-header[data-stuck="true"] .pulse-nav__list a{padding:10px 15px}

/* ---------- 6. footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);border-top:4px solid var(--red)}
.footer__inner{
  width:min(var(--wrap),100% - var(--gut));
  margin-inline:auto;
  display:grid;grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(26px,3vw,44px);
  padding:clamp(44px,6vw,80px) 0;
}
.footer__brand{grid-column:1 / span 4;display:flex;flex-direction:column;gap:8px}
.footer__brand-name{
  font-family:var(--font-cond);font-weight:900;font-size:clamp(28px,3vw,36px);
  line-height:1;letter-spacing:.06em;color:var(--white);
}
.footer__brand-sub{font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;color:var(--cyan)}
.footer__brand-note{font-size:15px;line-height:1.8;color:var(--on-dark-dim);max-width:30ch;margin-top:10px}
.footer__brand-meta{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--slate-dark);
  margin-top:6px;padding-top:12px;border-top:1px solid var(--hairline);
}

.footer__cols{grid-column:5 / span 5;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.footer__col-title{
  font-family:var(--font-mono);font-size:12px;font-weight:400;letter-spacing:.18em;
  text-transform:uppercase;color:var(--orange);
  padding-bottom:10px;margin-bottom:14px;border-bottom:2px solid var(--hairline);
}
.footer__links{display:grid;gap:11px}
.footer__links li{display:flex}
.footer__links a,.footer__links span{
  display:inline-flex;align-items:center;gap:10px;
  font-size:15px;line-height:1.5;color:var(--on-dark-dim);
}
.footer__links a::before{content:"";width:14px;height:2px;background:var(--slate);flex:none;transition:background .2s var(--ease)}
.footer__links a:hover{color:var(--white)}
.footer__links a:hover::before{background:var(--cyan)}
.footer__links--contact span{font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;color:var(--cyan)}
.footer__links--contact li::before{content:none}

.footer__contact{grid-column:10 / span 3;display:flex;flex-direction:column}
.footer__address{font-style:normal;font-size:15px;line-height:1.75;color:var(--on-dark-dim);margin-top:14px}
.footer__hours{font-size:14px;line-height:1.7;color:var(--slate-dark);margin-top:12px}

.footer__base{background:#08070A;border-top:1px solid var(--hairline)}
.footer__base-inner{
  width:min(var(--wrap),100% - var(--gut));
  margin-inline:auto;
  display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;align-items:center;
  padding:18px 0;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:#8F8896;
}

/* ---------- 7. generic components ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--slate);
}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li + li::before{content:"/";color:var(--mist)}
.crumbs a{border-bottom:1px solid currentColor}
.crumbs a:hover{color:var(--red)}
.band--ink .crumbs,.band--graphite .crumbs{color:var(--slate-dark)}
.band--ink .crumbs li + li::before,.band--graphite .crumbs li + li::before{color:var(--slate)}

.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--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.panel{
  background:var(--white);color:var(--body-color);
  border:3px solid var(--ink);box-shadow:var(--hard);
  padding:clamp(18px,2.6vw,30px);
}
.panel--ink{background:var(--graphite);color:var(--on-dark);border-color:var(--ink);box-shadow:var(--hard-red)}
.panel--ink h1,.panel--ink h2,.panel--ink h3,.panel--ink h4{color:var(--white)}
.panel--cyan{background:var(--cyan);color:var(--ink);box-shadow:var(--hard)}

.table-scroll{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  background:var(--white);border:3px solid var(--ink);box-shadow:var(--hard);
}
.data-table{width:100%;font-variant-numeric:tabular-nums}
.data-table th,.data-table td{padding:13px 15px;text-align:left;vertical-align:middle}
.data-table thead th{
  font-family:var(--font-mono);font-size:12px;font-weight:400;letter-spacing:.1em;
  text-transform:uppercase;color:var(--slate);
  background:var(--cream);border-bottom:3px solid var(--ink);white-space:nowrap;
}
.data-table tbody th{font-weight:700;color:var(--ink)}
.data-table tbody td{font-size:15px;color:var(--body-color);border-bottom:1px solid var(--mist)}
.data-table tbody tr:nth-child(even){background:rgba(216,210,202,.2)}
.data-table tbody tr:last-child td,.data-table tbody tr:last-child th{border-bottom:0}
.table-scroll .data-table{min-width:560px}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  padding:4px 9px;border:2px solid currentColor;
}
.tag--cyan{color:var(--cyan-deep);background:rgba(35,216,206,.14)}
.tag--red{color:var(--red);background:rgba(196,22,28,.09)}
.tag--orange{color:#B84511;background:rgba(255,106,43,.13)}
.tag--gold{color:#8A6100;background:rgba(240,179,35,.16)}

/* ---------- 8. media ---------- */
.media{
  position:relative;display:block;overflow:hidden;
  border:3px solid var(--ink);background:var(--graphite);
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.055) 0 12px,transparent 12px 24px);
}
.media img{width:100%;height:100%;object-fit:cover;display:block}
.media--16x9{aspect-ratio:16 / 9}
.media--4x3{aspect-ratio:4 / 3}
.media--1x1{aspect-ratio:1 / 1}
.media--21x9{aspect-ratio:21 / 9}
.media--tall{aspect-ratio:3 / 4}
.media__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,13,16,0) 42%,rgba(14,13,16,.86) 100%)}
.media__cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--on-dark);
}

/* ---------- 9. motion ---------- */
.js [data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.js [data-reveal].is-visible{opacity:1;transform:none}
[data-toc] a[aria-current="true"]{color:var(--red);border-bottom-color:var(--red)}

@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}
}

/* ---------- 10. responsive ---------- */
@media (max-width:1240px){
  .footer__brand{grid-column:1 / span 6}
  .footer__contact{grid-column:7 / span 6}
  .footer__cols{grid-column:1 / -1}
}
@media (max-width:1024px){
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  html{scroll-padding-top:150px}
  .masthead__inner{
    grid-template-columns:1fr auto;
    grid-template-areas:"brand toggle" "badge badge";
    row-gap:14px;padding:18px 0 14px;
  }
  .masthead__brand{grid-area:brand;justify-self:start;align-items:flex-start;text-align:left}
  .masthead__badge{grid-area:badge;justify-self:start}
  .nav-toggle{grid-area:toggle;display:inline-flex}

  .pulse-nav{display:none}
  .site-header[data-open="true"] .pulse-nav{display:block;padding-bottom:12px}
  .pulse-nav__list{flex-direction:column;flex-wrap:nowrap}
  .pulse-nav__list li{width:100%}
  .pulse-nav__list a{
    width:100%;justify-content:flex-start;
    padding:14px 12px;
    border-bottom:1px solid var(--hairline);
    border-left:3px solid transparent;
  }
  .pulse-nav__list a[aria-current="page"]{
    border-bottom-color:var(--hairline);
    border-left-color:var(--cyan);
    background:rgba(35,216,206,.08);
  }
  .site-header[data-stuck="true"] .pulse-nav__list a{padding:12px}
  .site-header[data-stuck="true"] .masthead__sub{display:block}
}
@media (max-width:840px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  body{font-size:16px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .footer__brand,.footer__contact,.footer__cols{grid-column:1 / -1}
  .footer__cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .footer__base-inner{justify-content:flex-start}
  .media--21x9{aspect-ratio:16 / 9}
  .media--tall{aspect-ratio:4 / 5}
}