/* =========================================================
   半岛体育主站 · 共享样式 /assets/site.css
   ========================================================= */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
table{border-collapse:collapse;width:100%}

:root{
  --deep-sea:#0B2A3E;
  --night:#061A28;
  --sand:#F4EFE6;
  --paper:#FBF8F2;
  --coral:#FF6B3D;
  --coral-deep:#E8552A;
  --coral-soft:#FFD9C9;
  --cyan:#22E0D6;
  --moss:#17564A;
  --reef:#4E6B7A;
  --reef-soft:#9CB3BF;
  --ink:#101820;
  --gold:#C8A96B;
  --mist:#E8EEF0;

  --line:rgba(11,42,62,.18);
  --line-strong:rgba(11,42,62,.32);
  --line-dark:rgba(232,238,240,.16);

  --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","SF Mono",ui-monospace,Menlo,Consolas,monospace;

  --wrap:1240px;
  --gutter:clamp(16px,4vw,40px);
  --gap:clamp(16px,2.4vw,32px);
  --shell:0 6px 0 rgba(6,26,40,.92);
  --radius:2px;
}

html{scroll-behavior:smooth}

body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.14;
  color:var(--ink);
}
h1{font-size:clamp(40px,6.4vw,80px)}
h2{font-size:clamp(28px,4vw,44px)}
h3{font-size:clamp(20px,2.6vw,28px)}
h4{font-size:clamp(16px,2vw,20px)}

p{max-width:38em}

::selection{background:var(--coral);color:#fff}

:focus-visible{
  outline:2px solid var(--coral);
  outline-offset:3px;
  border-radius:1px;
}

/* ---------- 容器与节奏 ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.section{padding-block:clamp(44px,6vw,92px);position:relative}
.section--paper{background:var(--sand)}
.section--deep{background:var(--deep-sea);color:var(--sand)}
.section--night{background:var(--night);color:var(--sand)}
.section--deep h1,.section--deep h2,.section--deep h3,
.section--night h1,.section--night h2,.section--night h3{color:var(--sand)}

.stack{display:flex;flex-direction:column;gap:clamp(16px,2vw,26px)}
.grid{display:grid;gap:var(--gap)}
.grid--7-5{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.grid--4-8{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
.grid--3-9{grid-template-columns:minmax(0,3fr) minmax(0,9fr)}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}

/* ---------- 排版零件 ---------- */
.overline{
  font-family:var(--font-body);
  font-size:11px;
  font-weight:700;
  letter-spacing:.28em;
  line-height:1.5;
  text-transform:uppercase;
}

.mono,.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:-.01em;
}

.section-index{
  display:block;
  font-family:var(--font-mono);
  font-size:clamp(44px,7vw,88px);
  font-weight:700;
  line-height:.85;
  color:transparent;
  -webkit-text-stroke:1px rgba(11,42,62,.28);
  letter-spacing:-.04em;
  user-select:none;
}
.section--deep .section-index,
.section--night .section-index{-webkit-text-stroke:1px rgba(232,238,240,.32)}

.rule{display:block;width:100%;height:1px;background:var(--line);border:0}
.rule--coral{height:2px;width:56px;background:var(--coral)}

.lead{
  font-size:clamp(17px,2vw,20px);
  line-height:1.8;
  color:var(--reef);
}
.section--deep .lead,.section--night .lead{color:var(--reef-soft)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  font-family:var(--font-body);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  padding:12px 24px;
  min-height:48px;
  border:1px solid transparent;
  border-radius:var(--radius);
  text-decoration:none;
  cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;
}
.btn--solid{
  background:var(--coral);
  color:#fff;
  box-shadow:0 4px 0 var(--deep-sea);
}
.btn--solid:hover{background:var(--coral-deep);transform:translateY(-1px);box-shadow:0 5px 0 var(--deep-sea)}
.btn--solid:active{transform:translateY(2px);box-shadow:0 2px 0 var(--deep-sea)}
.btn--ghost{
  background:transparent;
  color:var(--deep-sea);
  border-color:var(--line-strong);
}
.btn--ghost:hover{background:var(--coral-soft);border-color:var(--coral);color:var(--coral-deep)}
.btn--onDark{
  background:transparent;
  color:var(--sand);
  border-color:rgba(232,238,240,.28);
}
.btn--onDark:hover{border-color:var(--coral);color:#fff}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.14em;
  padding:4px 10px;
  border-radius:1px;
  line-height:1.5;
  white-space:nowrap;
}
.tag--moss{background:var(--moss);color:#EAF6F2}
.tag--coral{background:var(--coral-soft);color:#8C3212}
.tag--outline{border:1px solid var(--line-strong);color:var(--reef)}
.tag--gold{border:1px solid rgba(200,169,107,.6);color:var(--gold)}

/* ---------- 面包屑 ---------- */
.breadcrumbs{
  font-size:12px;
  letter-spacing:.06em;
  color:var(--reef);
  padding-block:14px;
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs li{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs li:not(:last-child)::after{content:"/";color:rgba(78,107,122,.45)}
.breadcrumbs a{text-decoration:none;color:var(--reef);transition:color .16s}
.breadcrumbs a:hover{color:var(--coral)}
.breadcrumbs [aria-current="page"]{color:var(--ink);font-weight:600}
.section--deep .breadcrumbs,.section--night .breadcrumbs,
.section--deep .breadcrumbs a,.section--night .breadcrumbs a{color:var(--reef-soft)}
.section--deep .breadcrumbs [aria-current="page"],
.section--night .breadcrumbs [aria-current="page"]{color:var(--sand)}

/* ---------- 正文 ---------- */
.prose{max-width:34em;font-size:16px;line-height:1.85;color:#20303C}
.prose p+p{margin-top:1.1em}
.prose h2,.prose h3{margin-top:1.7em;margin-bottom:.55em}
.prose ul{display:flex;flex-direction:column;gap:.55em;margin-top:1em}
.prose ul li{position:relative;padding-left:18px}
.prose ul li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:8px;height:2px;background:var(--coral);
}
.prose a{color:var(--coral-deep);text-underline-offset:3px}
.section--deep .prose,.section--night .prose{color:#D6E2E7}

/* ---------- 图片容器基础规则 ---------- */
.figure{
  position:relative;
  display:block;
  overflow:hidden;
  margin:0;
  background:var(--night);
  border:1px solid rgba(11,42,62,.22);
  border-radius:var(--radius);
}
.figure img{width:100%;height:100%;object-fit:cover;display:block}
.figure--3x2{aspect-ratio:3/2}
.figure--16x9{aspect-ratio:16/9}
.figure--1x1{aspect-ratio:1/1}
.figure--4x5{aspect-ratio:4/5}
.figure--21x9{aspect-ratio:21/9}
.figure__wash{
  position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(160deg,rgba(11,42,62,.14) 0%,rgba(6,26,40,.88) 100%);
}
.figure__grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(34,224,214,.16) 1px,transparent 1px);
  background-size:25% 100%;
}
.figure__cap{
  position:absolute;left:14px;right:14px;bottom:12px;
  font-size:11px;letter-spacing:.18em;font-weight:700;
  color:var(--sand);text-transform:uppercase;
}
.figure--flush{border-radius:0;border:0}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  top:-120px;left:16px;
  z-index:300;
  display:inline-block;
  padding:10px 18px;
  background:var(--coral);
  color:#fff;
  font-size:14px;font-weight:700;
  text-decoration:none;
  border-radius:2px;
  box-shadow:0 4px 0 var(--night);
  transition:top .18s ease;
}
.skip-link:focus{top:12px}

/* =========================================================
   头部
   ========================================================= */
.site-header{position:relative;z-index:80}

.progress{
  position:fixed;top:0;left:0;right:0;
  height:2px;
  background:rgba(11,42,62,.22);
  z-index:200;
  pointer-events:none;
}
.progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:var(--progress-tone,var(--coral));
  transition:transform .1s linear,background-color .35s ease;
}

/* 刊头横栏 */
.header-rail{background:var(--night);color:var(--mist)}
.header-rail__inner{
  display:flex;align-items:center;gap:clamp(12px,3vw,28px);
  padding-block:9px;
  font-size:12px;
}
.header-rail__issue{
  display:inline-flex;align-items:center;gap:10px;
  flex:0 0 auto;
  font-size:10px;
  color:var(--sand);
  letter-spacing:.24em;
}
.header-rail__issue::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--coral);
  box-shadow:0 0 0 3px rgba(255,107,61,.22);
  flex:0 0 auto;
}
.header-rail__tagline{
  flex:1 1 auto;min-width:0;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--reef-soft);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.header-tools{
  margin-left:auto;
  display:flex;align-items:center;gap:8px;
  flex:0 0 auto;
}

.tool-btn{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--mist);
  padding:6px 12px;
  min-height:30px;
  border:1px solid rgba(232,238,240,.22);
  border-radius:999px;
  background:transparent;
  text-decoration:none;
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.tool-btn:hover,.tool-btn:focus-visible{border-color:var(--coral);color:#fff}
.tool-btn[aria-pressed="true"]{border-color:rgba(255,107,61,.65);color:#fff}
.tool-btn__mark{
  display:inline-block;
  width:9px;height:9px;
  border:1.5px solid currentColor;
  border-radius:1px;
  transition:background-color .18s ease,border-color .18s ease;
}
.tool-btn[aria-pressed="true"] .tool-btn__mark{
  background:var(--coral);
  border-color:var(--coral);
}
.tool-btn__count{
  font-family:var(--font-mono);
  font-size:11px;
  opacity:.65;
}
.tool-btn--cta{
  background:var(--coral);
  border-color:var(--coral);
  color:#fff;
  box-shadow:0 3px 0 rgba(0,0,0,.45);
}
.tool-btn--cta:hover{background:var(--coral-deep);border-color:var(--coral-deep);color:#fff}

/* 报头 */
.masthead{background:var(--sand);border-bottom:1px solid var(--line)}
.masthead__inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:clamp(10px,2vw,24px);
  padding-block:clamp(16px,2.8vw,28px) clamp(12px,2.2vw,20px);
}
.brand{
  grid-column:2;
  justify-self:center;
  display:flex;flex-direction:column;align-items:center;gap:7px;
  text-decoration:none;
}
.brand__word{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(28px,4.6vw,54px);
  line-height:1;
  letter-spacing:.18em;
  text-indent:.18em;
  color:var(--deep-sea);
  transition:color .18s ease;
}
.brand:hover .brand__word,.brand:focus-visible .brand__word{color:var(--coral)}
.brand__sub{
  font-size:9.5px;font-weight:700;
  letter-spacing:.32em;text-indent:.32em;
  text-transform:uppercase;
  color:var(--reef);
  white-space:nowrap;
}
.masthead__side{
  grid-column:3;
  justify-self:end;
  font-size:10px;
  letter-spacing:.24em;
  color:var(--reef);
  white-space:nowrap;
}
.nav-toggle{
  grid-column:1;
  justify-self:start;
  display:none;
  align-items:center;gap:8px;
  padding:8px 12px;
  min-height:42px;
  border:1px solid var(--line-strong);
  border-radius:2px;
  color:var(--deep-sea);
  font-size:12px;font-weight:700;letter-spacing:.14em;
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--coral);color:var(--coral)}
.nav-toggle__bars{
  display:inline-flex;flex-direction:column;justify-content:center;gap:3px;
  width:16px;height:12px;flex:0 0 auto;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";display:block;height:2px;background:currentColor;border-radius:1px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle__bars::before{box-shadow:0 5px 0 currentColor}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{
  transform:translateY(2.5px) rotate(45deg);
  box-shadow:none;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{
  transform:translateY(-2.5px) rotate(-45deg);
}

/* 栏目导航 */
.nav-band{background:var(--sand);border-bottom:1px solid var(--line)}
.nav-band__list{
  display:flex;flex-wrap:wrap;
  justify-content:center;align-items:center;
  gap:clamp(10px,2.6vw,40px);
  padding-block:11px;
}
.nav-link{
  display:inline-flex;align-items:baseline;gap:7px;
  padding:6px 2px;
  font-size:15px;font-weight:600;
  color:var(--deep-sea);
  text-decoration:none;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.nav-index{
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.06em;
  color:var(--reef);
  transition:color .18s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--coral);border-bottom-color:var(--coral)}
.nav-link:hover .nav-index,.nav-link:focus-visible .nav-index{color:var(--coral)}
.nav-link[aria-current="page"]{color:var(--ink);border-bottom-color:var(--coral)}
.nav-link[aria-current="page"] .nav-index{color:var(--coral)}

/* 联赛条 */
.league-strip{background:var(--deep-sea);color:var(--mist)}
.league-strip__inner{
  display:flex;align-items:center;
  gap:clamp(10px,2vw,18px);
  padding-block:10px;
  transition:background-color .2s ease;
}
.league-strip__label{
  flex:0 0 auto;
  font-size:10px;
  color:var(--gold);
}
.league-strip__list{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;min-width:0;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding-block:2px;
}
.league-strip__list::-webkit-scrollbar{display:none}
.league-strip__list li{flex:0 0 auto;scroll-snap-align:start}
.league-pill{
  display:inline-flex;align-items:center;
  padding:6px 14px;
  min-height:34px;
  font-size:13px;font-weight:600;
  color:var(--mist);
  background:transparent;
  border:1px solid rgba(232,238,240,.26);
  border-radius:999px;
  cursor:pointer;
  white-space:nowrap;
  transition:color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.league-pill:hover{color:#fff;border-color:rgba(255,107,61,.7)}
.league-pill[aria-pressed="true"]{
  color:#fff;
  border-color:rgba(255,107,61,.8);
  box-shadow:inset 0 -3px 0 var(--coral);
}

/* 滚动折叠为悬浮胶囊 */
.site-header.is-stuck .league-strip{background:transparent}
.site-header.is-stuck .league-strip__inner{
  position:fixed;
  inset:auto clamp(12px,3vw,26px) clamp(12px,3vw,26px) auto;
  width:auto;
  max-width:min(620px,calc(100vw - 24px));
  margin:0;
  padding:6px 10px;
  background:rgba(6,26,40,.97);
  border:1px solid rgba(255,107,61,.5);
  border-radius:999px;
  box-shadow:0 6px 0 rgba(0,0,0,.42);
  z-index:150;
  animation:pill-in .22s ease-out;
}
.site-header.is-stuck .league-strip__label{
  font-size:9px;
  letter-spacing:.2em;
}
.site-header.is-stuck .league-pill{min-height:30px;padding:4px 12px;font-size:12px}

@keyframes pill-in{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:none}
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{
  position:relative;
  background:var(--night);
  color:var(--mist);
  border-top:3px solid var(--coral);
  font-size:14px;
}
.site-footer::before{
  content:"";
  display:block;
  height:6px;
  background:var(--sand);
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.9fr);
  gap:clamp(28px,5vw,64px);
  padding-block:clamp(34px,5vw,62px) clamp(24px,3.5vw,40px);
}
.footer-brand__eyebrow{font-size:10px;color:var(--gold);letter-spacing:.24em}
.footer-brand__word{
  display:block;
  margin:14px 0 12px;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(26px,3.4vw,38px);
  line-height:1.1;
  letter-spacing:.16em;
  color:var(--sand);
  text-decoration:none;
  transition:color .18s ease;
}
.footer-brand__word:hover,.footer-brand__word:focus-visible{color:var(--coral)}
.footer-brand__desc{
  font-size:13px;
  line-height:1.9;
  color:var(--reef-soft);
  max-width:24em;
}

.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(18px,3vw,36px);
}
.footer-col__title{
  display:flex;align-items:center;gap:9px;
  margin-bottom:14px;
  font-family:var(--font-body);
  font-size:12px;font-weight:800;
  letter-spacing:.2em;
  color:var(--sand);
}
.footer-col__title::before{
  content:"";
  width:14px;height:2px;
  background:var(--coral);
  flex:0 0 auto;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:13.5px;
  line-height:1.65;
  color:var(--reef-soft);
  text-decoration:none;
  transition:color .18s ease;
}
.footer-col a:hover,.footer-col a:focus-visible{color:var(--coral)}

.footer-contact{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:clamp(14px,2.5vw,32px);
  align-items:start;
  padding-block:clamp(18px,2.6vw,26px);
  border-top:1px solid var(--line-dark);
  border-bottom:1px solid var(--line-dark);
}
.footer-contact__label{
  font-size:10px;
  color:var(--gold);
  letter-spacing:.24em;
  padding-top:3px;
}
.copy-list{display:grid;gap:9px}
.copy-item{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:8px 12px;
  font-size:13px;
  color:var(--mist);
}
.copy-item__key{
  font-size:10px;font-weight:700;
  letter-spacing:.18em;
  color:var(--reef-soft);
  flex:0 0 auto;
}
.copy-item__val{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  color:var(--mist);
  word-break:break-all;
}
.copy-btn{
  flex:0 0 auto;
  padding:3px 11px;
  min-height:26px;
  font-size:11px;font-weight:700;
  color:var(--reef-soft);
  border:1px solid rgba(232,238,240,.24);
  border-radius:999px;
  cursor:pointer;
  transition:color .18s ease,border-color .18s ease;
}
.copy-btn:hover,.copy-btn:focus-visible{color:var(--coral);border-color:var(--coral)}
.copy-btn[data-copied]{color:var(--cyan);border-color:var(--cyan)}

.footer-bottom{
  display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;
  gap:10px 24px;
  padding-block:clamp(18px,2.6vw,26px);
  font-size:12px;
  color:var(--reef-soft);
}
.footer-bottom__copy{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.footer-bottom__icp{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--sand);
}
.footer-bottom__links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom__links a{
  font-size:12px;
  color:var(--reef-soft);
  text-decoration:none;
  transition:color .18s ease;
}
.footer-bottom__links a:hover,.footer-bottom__links a:focus-visible{color:var(--coral)}
.footer-bottom__note{
  flex-basis:100%;
  font-size:11.5px;
  line-height:1.75;
  color:#7D96A3;
  max-width:60em;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1100px){
  .footer-top{grid-template-columns:1fr}
  .footer-brand__desc{max-width:34em}
}

@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .masthead__side{display:none}
  .header-rail__tagline{display:none}
  .masthead__inner{grid-template-columns:auto 1fr auto}
  .brand{grid-column:2}
  .nav-band{display:none}
  .nav-band[data-open]{display:block;border-top:1px solid var(--line)}
  .nav-band[data-open] .nav-band__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding-block:6px 14px;
  }
  .nav-band[data-open] .nav-link{
    width:100%;
    justify-content:flex-start;
    align-items:center;
    padding-block:13px;
    min-height:48px;
    border-bottom:1px solid rgba(11,42,62,.1);
    font-size:16px;
  }
  .nav-band[data-open] .nav-link[aria-current="page"]{
    border-bottom-color:rgba(11,42,62,.1);
    box-shadow:inset 3px 0 0 var(--coral);
    padding-left:12px;
  }
  .grid--7-5,.grid--4-8,.grid--3-9,.grid--3,.grid--2{grid-template-columns:minmax(0,1fr)}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-contact{grid-template-columns:minmax(0,1fr)}
  .tool-btn{min-height:38px;padding:8px 14px;font-size:12px}
  .league-pill{min-height:38px;padding:8px 15px}
}

@media (max-width:640px){
  body{font-size:16px}
  .header-rail__inner{padding-block:7px;gap:10px}
  .header-rail__issue{font-size:9px;letter-spacing:.16em}
  .tool-btn{gap:6px;padding:8px 12px}
  .tool-btn__count{display:none}
  .masthead__inner{padding-block:14px 12px}
  .brand__word{font-size:clamp(26px,8vw,38px);letter-spacing:.14em;text-indent:.14em}
  .brand__sub{font-size:8px;letter-spacing:.24em;text-indent:.24em}
  .footer-cols{grid-template-columns:minmax(0,1fr);gap:22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-header.is-stuck .league-strip__inner{
    inset:auto 10px 10px 10px;
    max-width:none;
  }
  .site-header.is-stuck .league-strip__label{display:none}
  .btn{width:100%}
}

/* =========================================================
   动效与可访问性
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .progress__bar{transition:none !important}
  .site-header.is-stuck .league-strip__inner{animation:none}
}