:root{
  --ink:#0A1A2F;
  --ink-2:#102A44;
  --red:#E23A2E;
  --cyan:#16D1C4;
  --yellow:#F2E14C;
  --white:#F6F8FB;
  --graphite:#1C2733;
  --mist:#8FA1B2;
  --teal:#0B6E68;
  --red-soft:#FBE5E2;
  --rail:128px;
  --header-h:64px;
  --wrap:1180px;
  --gutter:clamp(18px,4vw,48px);
  --radius-lg:28px;
  --radius-md:16px;
  --radius-pill:999px;
  --dur:200ms;
  --font-display:'Archivo Black','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'Barlow Condensed','Oswald','DIN Alternate','Noto Sans SC',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html.nav-open{overflow:hidden}
body{
  margin:0;
  min-height:100vh;
  overflow-x:hidden;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  color:var(--graphite);
  background:var(--white);
}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-display);font-weight:900;line-height:1.05;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:7px}
::selection{background:var(--yellow);color:var(--ink)}

@media (min-width:1024px) and (max-width:1279px){:root{--rail:108px}}
@media (min-width:1024px){body{padding-left:var(--rail)}}
@media (max-width:1023px){body{padding-top:var(--header-h)}}

/* ---------- layout ---------- */
.wrap{width:min(calc(100% - var(--gutter) * 2),var(--wrap));margin-inline:auto}
.grid{display:grid;gap:clamp(16px,2.2vw,28px);grid-template-columns:1fr}
.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
.split{display:grid;gap:clamp(24px,4vw,56px);grid-template-columns:1fr;align-items:start}
@media (min-width:640px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
  .split{grid-template-columns:7fr 5fr}
  .split--reverse{grid-template-columns:5fr 7fr}
}

/* ---------- type & index bits ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-num);font-size:12px;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;color:var(--teal);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--red)}
.coord{font-family:var(--font-num);font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--mist)}
.num{font-family:var(--font-num);font-weight:800;line-height:1;letter-spacing:.01em;font-variant-numeric:tabular-nums}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:clamp(24px,3vw,40px)}
.rule{height:1px;border:0;margin:clamp(32px,5vw,64px) 0;background:linear-gradient(90deg,var(--red),rgba(226,58,46,0) 70%)}

/* ---------- buttons & pills ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border:1px solid transparent;border-radius:var(--radius-pill);
  background:var(--ink);color:var(--white);
  font-size:15px;font-weight:700;line-height:1.2;text-decoration:none;cursor:pointer;
  transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--red);color:#fff}
.btn--primary:hover{background:#c92e23}
.btn--cyan{background:var(--cyan);color:var(--ink)}
.btn--cyan:hover{background:#0fb8ad}
.btn--ghost{background:transparent;border-color:rgba(246,248,251,.4);color:var(--white)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--ink{background:var(--ink);color:var(--white)}
.btn--ink:hover{background:var(--ink-2)}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(22,209,196,.14);color:var(--teal);border:1px solid rgba(22,209,196,.3);
}
.pill--yellow{background:var(--yellow);color:var(--ink);border-color:var(--yellow)}
.pill--red{background:var(--red-soft);color:#a8261c;border-color:rgba(226,58,46,.3)}
.pill--on-dark{background:rgba(246,248,251,.1);color:var(--white);border-color:rgba(246,248,251,.24)}

/* ---------- cards & media ---------- */
.card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  padding:clamp(20px,2.6vw,32px);
  border-radius:var(--radius-lg);
  background:#fff;border:1px solid rgba(28,39,51,.12);
  box-shadow:0 10px 30px rgba(10,26,47,.05);
  transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease;
}
.card:hover{border-color:rgba(22,209,196,.6);transform:translateY(-3px);box-shadow:0 18px 44px rgba(10,26,47,.12)}
.card--dark{background:var(--ink-2);border-color:rgba(246,248,251,.12);color:var(--white);box-shadow:none}
.card--accent{background:var(--red-soft);border-color:rgba(226,58,46,.24)}

.media{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16/10;border-radius:var(--radius-lg);
  background:linear-gradient(140deg,var(--ink-2) 0%,var(--ink) 55%,var(--teal) 100%);
}
.media img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:4/5}
.media--square{aspect-ratio:1/1}
.media--overlay::after{
  content:"";position:absolute;inset:auto 0 0 0;height:48%;
  background:linear-gradient(180deg,rgba(10,26,47,0),rgba(10,26,47,.74));
  pointer-events:none;
}
.media-label{
  position:absolute;left:14px;bottom:12px;z-index:1;
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(10,26,47,.74);color:var(--white);
  font-size:11px;letter-spacing:.12em;
}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;letter-spacing:.04em;color:var(--mist)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"/";color:rgba(143,161,178,.7)}
.breadcrumb a{color:var(--teal);border-bottom:1px solid transparent;transition:border-color var(--dur) ease}
.breadcrumb a:hover{border-color:currentColor}
.breadcrumb--on-dark{color:rgba(246,248,251,.6)}
.breadcrumb--on-dark a{color:var(--cyan)}

/* ---------- score strip (页内可复用) ---------- */
.score-strip{display:flex;flex-direction:column;gap:6px;width:100%}
.score-row{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:8px 12px;border-radius:12px;background:rgba(10,26,47,.55);
}
.score-team{font-size:12px;letter-spacing:.06em;color:rgba(246,248,251,.75)}
.score-num{
  font-family:var(--font-num);font-size:22px;font-weight:800;line-height:1;
  color:var(--cyan);font-variant-numeric:tabular-nums;
  transition:color var(--dur) ease;
}
@keyframes scoreFlip{
  0%{transform:rotateX(0)}
  50%{transform:rotateX(-72deg)}
  100%{transform:rotateX(0)}
}
.score-row:hover .score-num,.score-row:focus-within .score-num{animation:scoreFlip 420ms steps(3)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity 520ms ease,transform 520ms ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- header : side rail ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  padding:10px 20px;border-radius:var(--radius-pill);
  background:var(--yellow);color:var(--ink);
  font-size:14px;font-weight:700;
  transform:translateY(-180%);
  transition:transform 180ms ease;
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0)}

.site-header{
  position:fixed;top:0;left:0;bottom:0;z-index:90;
  width:var(--rail);
  display:flex;flex-direction:column;
  background:linear-gradient(180deg,var(--ink-2) 0%,var(--ink) 62%,var(--ink) 100%);
  box-shadow:inset -2px 0 0 rgba(22,209,196,.22),12px 0 40px rgba(10,26,47,.18);
  overflow-y:auto;overscroll-behavior:contain;
  scrollbar-width:none;
}
.site-header::-webkit-scrollbar{width:0;height:0}
.site-header::before{
  content:"";position:absolute;top:0;left:0;right:0;height:104px;
  background:linear-gradient(160deg,var(--red),#b52b21);
  clip-path:polygon(0 0,100% 0,100% 72%,0 100%);
  pointer-events:none;
}

.rail-head{
  position:relative;z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:18px 8px 12px;
}
.brand{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--white)}
.brand-mark{
  display:grid;place-items:center;width:42px;height:42px;
  border-radius:14px;background:var(--white);color:var(--red);
  font-family:var(--font-num);font-size:17px;font-weight:900;letter-spacing:.02em;
  box-shadow:0 10px 22px rgba(10,26,47,.35);
}
.brand-word{display:flex;flex-direction:column;align-items:center;gap:3px}
.brand-cn{font-size:11px;font-weight:700;letter-spacing:.16em;white-space:nowrap;line-height:1.2}
.brand-en{
  font-family:var(--font-num);font-size:8.5px;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;white-space:nowrap;line-height:1.2;
  color:rgba(246,248,251,.62);
}

.nav-toggle{
  display:none;place-items:center;align-content:center;gap:4px;
  width:44px;height:44px;padding:0;
  border:1px solid rgba(246,248,251,.28);border-radius:13px;
  background:rgba(246,248,251,.06);cursor:pointer;
  transition:border-color var(--dur) ease,background var(--dur) ease;
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle-bar{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--white);
  transition:transform 200ms ease,opacity 160ms ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(6px) 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(-6px) rotate(-45deg)}

.rail-nav{
  position:relative;z-index:2;
  flex:1 0 auto;
  display:flex;flex-direction:column;
  padding:4px 6px 0;
}
.rail-list{display:flex;flex-direction:column;gap:2px}
.rail-link{
  position:relative;display:flex;align-items:center;justify-content:center;gap:7px;
  padding:10px 6px;border-radius:12px;
  color:rgba(246,248,251,.8);
  transition:background var(--dur) ease,color var(--dur) ease,transform var(--dur) ease;
}
.rail-idx{
  font-family:var(--font-num);font-size:9px;font-weight:700;
  letter-spacing:.1em;color:var(--mist);
  transition:color var(--dur) ease;
}
.rail-label{font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.2;white-space:nowrap}
.rail-link:hover{background:rgba(22,209,196,.14);color:var(--white);transform:translateX(2px)}
.rail-link:hover .rail-idx{color:var(--cyan)}
.rail-link[aria-current="page"]{background:rgba(226,58,46,.2);color:var(--yellow)}
.rail-link[aria-current="page"] .rail-idx{color:var(--cyan)}
.rail-link[aria-current="page"]::before{
  content:"";position:absolute;left:0;top:50%;
  width:3px;height:22px;margin-top:-11px;
  border-radius:0 3px 3px 0;background:var(--red);
}

.rail-foot{
  margin-top:auto;width:100%;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:16px 6px 18px;
  border-top:1px solid rgba(246,248,251,.12);
}
.rail-kicker{font-size:10px;letter-spacing:.2em;color:var(--mist);white-space:nowrap}
.issue-switch{display:flex;flex-direction:column;align-items:center;gap:4px}
.issue-pill{
  width:46px;height:26px;display:grid;place-items:center;
  border:1px solid rgba(246,248,251,.24);border-radius:9px;
  background:transparent;color:rgba(246,248,251,.82);
  font-family:var(--font-num);font-size:14px;font-weight:700;
  letter-spacing:.02em;cursor:pointer;
  transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease;
}
.issue-pill:hover{border-color:var(--cyan);color:var(--cyan)}
.issue-pill[aria-pressed="true"]{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}
.rail-readout{font-size:10px;letter-spacing:.06em;color:var(--mist);text-align:center;line-height:1.5}
.rail-readout [data-issue-current]{font-family:var(--font-num);font-size:12px;font-weight:800;color:var(--cyan);letter-spacing:.06em}

.rail-scores{
  width:100%;display:flex;flex-direction:column;align-items:center;gap:6px;
  padding-top:12px;border-top:1px dashed rgba(246,248,251,.16);
}
.rail-scores .score-row{padding:4px 8px;border-radius:9px}
.rail-scores .score-team{font-size:10px}
.rail-scores .score-num{font-size:17px}

.scroll-meter{
  position:fixed;top:0;left:calc(var(--rail) - 3px);z-index:95;
  width:3px;height:100%;background:rgba(246,248,251,.07);
  pointer-events:none;
}
.scroll-meter-fill{
  display:block;width:100%;height:100%;
  background:linear-gradient(180deg,var(--red) 0%,var(--yellow) 45%,var(--cyan) 100%);
  transform:scaleY(var(--p,0));transform-origin:top center;
  transition:transform 140ms linear;
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(64px,8vw,120px);
  padding:clamp(56px,7vw,96px) 0 0;
  color:var(--white);
  background:
    radial-gradient(90% 70% at 100% 0%,rgba(22,209,196,.16),transparent 62%),
    radial-gradient(70% 60% at 0% 100%,rgba(226,58,46,.18),transparent 60%),
    linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 58%,var(--ink) 100%);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:linear-gradient(90deg,var(--red) 0 34%,var(--cyan) 34% 58%,var(--yellow) 58% 66%,rgba(246,248,251,.2) 66% 100%);
}
.site-footer::after{
  content:"";position:absolute;right:-120px;top:-90px;
  width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(22,209,196,.18);
  pointer-events:none;
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;gap:clamp(28px,4vw,56px);
  grid-template-columns:1fr;
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.footer-brand .brand{flex-direction:row;align-items:center;gap:12px}
.footer-brand .brand-mark{
  width:46px;height:46px;border-radius:14px;
  background:var(--red);color:var(--white);box-shadow:none;
}
.footer-brand .brand-word{align-items:flex-start;gap:2px}
.footer-brand .brand-cn{font-size:16px;letter-spacing:.08em}
.footer-brand .brand-en{font-size:9px;color:rgba(246,248,251,.6)}
.footer-summary{max-width:36ch;font-size:14px;line-height:1.8;color:rgba(246,248,251,.74)}
.footer-cta{margin-top:2px}

.footer-col{min-width:0}
.footer-col-head{
  display:flex;align-items:center;gap:10px;
  margin-bottom:16px;padding-bottom:10px;
  border-bottom:1px solid rgba(246,248,251,.14);
}
.footer-coord{
  padding:2px 7px;border-radius:6px;
  background:var(--cyan);color:var(--ink);
  font-family:var(--font-num);font-size:11px;font-weight:800;letter-spacing:.12em;
}
.footer-col-title{font-size:15px;font-weight:800;letter-spacing:.06em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;color:rgba(246,248,251,.78);
  transition:color var(--dur) ease,transform var(--dur) ease;
}
.footer-links a::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:rgba(22,209,196,.55);
  transition:background var(--dur) ease,transform var(--dur) ease;
}
.footer-links a:hover{color:var(--white);transform:translateX(3px)}
.footer-links a:hover::before{background:var(--yellow)}

.contact-list{display:flex;flex-direction:column;gap:14px}
.contact-item{display:flex;flex-direction:column;gap:4px;min-width:0}
.contact-label{
  font-family:var(--font-num);font-size:10px;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;color:var(--mist);
}
.contact-value{font-size:14px;line-height:1.6;color:rgba(246,248,251,.86)}
.copy-mail{
  display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:0;border:0;background:none;
  font-size:14px;font-weight:600;text-align:left;
  color:var(--cyan);cursor:pointer;word-break:break-all;
  transition:color var(--dur) ease;
}
.copy-mail:hover{color:var(--yellow)}
.copy-hint{
  padding:2px 8px;border:1px solid currentColor;border-radius:var(--radius-pill);
  font-size:10px;letter-spacing:.14em;white-space:nowrap;
}
.copy-mail[data-copied="true"] .copy-hint{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}
.footer-note{margin-top:16px;max-width:42ch;font-size:12px;line-height:1.75;color:rgba(246,248,251,.55)}

.footer-base{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:clamp(36px,5vw,64px);
  padding:20px 0 26px;
  border-top:1px solid rgba(246,248,251,.12);
}
.footer-copy,.footer-meta{font-size:12px;letter-spacing:.02em;color:rgba(246,248,251,.6)}
.legal-links{display:flex;flex-wrap:wrap;gap:16px}
.legal-link{
  font-size:12px;color:rgba(246,248,251,.72);
  border-bottom:1px solid transparent;
  transition:color var(--dur) ease,border-color var(--dur) ease;
}
.legal-link:hover{color:var(--yellow);border-color:var(--yellow)}

@media (min-width:680px) and (max-width:1023px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr .75fr .75fr 1.25fr}
}

/* ---------- mobile header / drawer ---------- */
@media (max-width:1023px){
  :root{--rail:0px}
  .site-header{
    top:0;left:0;right:0;bottom:auto;
    width:100%;height:var(--header-h);
    flex-direction:row;align-items:center;
    padding:0 12px;
    overflow:visible;
    background:linear-gradient(90deg,var(--ink) 0%,var(--ink-2) 72%);
    border-bottom:1px solid rgba(246,248,251,.12);
    box-shadow:0 10px 30px rgba(10,26,47,.28);
    scrollbar-width:auto;
  }
  .site-header::before{display:none}
  .rail-head{
    flex-direction:row;align-items:center;justify-content:space-between;
    width:100%;gap:12px;padding:0;
  }
  .brand{flex-direction:row;align-items:center;gap:10px}
  .brand-mark{width:34px;height:34px;border-radius:11px;font-size:14px;box-shadow:none}
  .brand-word{align-items:flex-start;gap:1px}
  .brand-cn{font-size:13px;letter-spacing:.1em}
  .brand-en{font-size:8px;letter-spacing:.16em}
  .nav-toggle{display:grid}

  .rail-nav{
    position:fixed;inset:0;z-index:2;
    display:flex;flex-direction:column;
    padding:calc(var(--header-h) + 22px) 20px 32px;
    overflow-y:auto;overscroll-behavior:contain;
    background:
      radial-gradient(120% 70% at 100% 0%,rgba(22,209,196,.16),transparent 60%),
      linear-gradient(170deg,var(--ink-2) 0%,var(--ink) 68%);
    transform:translateX(102%);
    visibility:hidden;
    transition:transform 260ms cubic-bezier(.22,.7,.3,1),visibility 0s linear 260ms;
  }
  .rail-nav[data-open]{
    transform:translateX(0);
    visibility:visible;
    transition:transform 260ms cubic-bezier(.22,.7,.3,1),visibility 0s;
  }
  .rail-list{gap:6px}
  .rail-link{
    justify-content:flex-start;gap:14px;
    padding:16px 16px;border-radius:16px;
    border:1px solid rgba(246,248,251,.08);
    background:rgba(246,248,251,.03);
  }
  .rail-link .rail-label{font-size:18px;font-weight:700;letter-spacing:.04em}
  .rail-link .rail-idx{font-size:11px;letter-spacing:.16em;color:var(--cyan)}
  .rail-link:hover{transform:none;background:rgba(22,209,196,.12)}
  .rail-link[aria-current="page"]::before{
    left:auto;right:16px;top:50%;
    width:8px;height:8px;margin-top:-4px;border-radius:50%;
  }
  .rail-foot{
    align-items:flex-start;margin-top:26px;
    padding:20px 0 0;
  }
  .issue-switch{flex-direction:row;flex-wrap:wrap;gap:6px}
  .issue-pill{width:56px;height:32px;border-radius:10px;font-size:15px}
  .rail-readout{font-size:11px}
  .rail-scores{align-items:flex-start;width:100%;max-width:280px}
  .rail-scores .score-team{font-size:12px}
  .rail-scores .score-num{font-size:20px}

  .scroll-meter{
    top:calc(var(--header-h) - 2px);left:0;
    width:100%;height:2px;
  }
  .scroll-meter-fill{
    transform:scaleX(var(--p,0));
    transform-origin:left center;
  }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .score-row:hover .score-num,.score-row:focus-within .score-num{animation:none}
  .reveal{opacity:1 !important;transform:none !important}
  .scroll-meter-fill{transition:none}
}