/* ============================================================
   长城体育 · 共享样式 /assets/site.css
   一、设计令牌  二、重置  三、排版  四、框架头部
   五、页脚      六、通用组件  七、响应式  八、动效与可达性
   ============================================================ */

/* ---------- 一、设计令牌 ---------- */
:root{
  --gw-wall:#E8E2D8;
  --gw-brick:#C6BBA9;
  --gw-score:#FBF8F2;
  --gw-ink:#16130F;
  --gw-flame:#E1541C;
  --gw-flame-deep:#A93A0F;
  --gw-signal:#F7C948;
  --gw-pitch:#102A22;
  --gw-night:#101D33;
  --gw-line:#6E6659;
  --gw-turf:#1F6B4A;
  --gw-ink-soft:#4A4239;
  --gw-mute-dark:#B6AC9C;

  --gw-rail-w:0px;
  --gw-topbar-h:58px;
  --gw-cut:16px;
  --gw-gutter:clamp(16px,4vw,44px);
  --gw-shell-max:1320px;

  --gw-font-display:"Oswald","Barlow Condensed","Arial Narrow","Noto Sans SC",system-ui,sans-serif;
  --gw-font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --gw-font-num:"JetBrains Mono","Roboto Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (min-width:768px){ :root{ --gw-topbar-h:64px; } }
@media (min-width:1080px){ :root{ --gw-rail-w:76px; } }

/* ---------- 二、重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--gw-topbar-h) + 18px)}
body{margin:0;font-family:var(--gw-font-body);font-size:16px;line-height:1.75;color:var(--gw-ink);
  background-color:var(--gw-wall);
  background-image:
    repeating-linear-gradient(0deg,rgba(22,19,15,.05) 0 1px,transparent 1px 92px),
    repeating-linear-gradient(90deg,rgba(22,19,15,.035) 0 1px,transparent 1px 168px);
  -webkit-font-smoothing:antialiased}
@media (min-width:768px){ body{ font-size:17px; } }
@media (min-width:1080px){ body{ padding-left:var(--gw-rail-w); } }
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
:focus-visible{outline:3px solid var(--gw-flame);outline-offset:3px}
#main-content{display:block;min-height:36vh}

/* ---------- 三、排版与文字 ---------- */
.gw-h1{font-family:var(--gw-font-display);font-weight:700;font-size:clamp(2.6rem,7vw,5.5rem);line-height:.94;letter-spacing:-.02em}
.gw-h2{font-family:var(--gw-font-display);font-weight:700;font-size:clamp(1.6rem,3.4vw,2.6rem);line-height:1.04;letter-spacing:-.01em}
.gw-h3{font-family:var(--gw-font-display);font-weight:600;font-size:clamp(1.1rem,2vw,1.4rem);line-height:1.2}
.gw-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:11px;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;color:var(--gw-line)}
.gw-eyebrow::before{content:"";width:20px;height:2px;background:var(--gw-flame)}
.gw-lede{max-width:38em;font-size:clamp(1rem,1.6vw,1.15rem);line-height:1.7;color:var(--gw-ink-soft)}
.gw-prose{max-width:34em;color:var(--gw-ink-soft)}
.gw-prose p{margin-bottom:1em}
.gw-prose strong{color:var(--gw-ink);font-weight:700}
.gw-prose a{color:var(--gw-flame-deep);border-bottom:1px solid rgba(169,58,15,.45)}
.gw-num{font-family:var(--gw-font-num);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ---------- 四、框架头部 ---------- */
.gw-header{position:sticky;top:0;z-index:80}
.gw-skip{position:absolute;left:12px;top:-72px;z-index:130;background:var(--gw-signal);color:var(--gw-ink);
  padding:10px 16px;font-size:13px;font-weight:700;letter-spacing:.08em;transition:top .18s ease-out}
.gw-skip:focus{top:10px}

.gw-topbar{position:relative;background:var(--gw-ink);color:var(--gw-score);border-bottom:1px solid rgba(232,226,216,.14)}
.gw-header.is-stuck .gw-topbar{box-shadow:0 14px 28px -22px rgba(22,19,15,.95)}
.gw-topbar__inner{max-width:1560px;margin:0 auto;padding:0 var(--gw-gutter);height:var(--gw-topbar-h);
  display:flex;align-items:center;justify-content:space-between;gap:16px}

.gw-brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.gw-brand__mark{position:relative;flex:none;width:30px;height:26px;background:var(--gw-flame);
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%)}
.gw-brand__mark::after{content:"";position:absolute;inset:3px;
  background-image:repeating-linear-gradient(180deg,rgba(22,19,15,.82) 0 2px,transparent 2px 7px)}
.gw-brand__text{display:flex;flex-direction:column;min-width:0}
.gw-brand__name{font-family:var(--gw-font-display);font-weight:700;font-size:1.22rem;line-height:1;
  letter-spacing:.05em;color:var(--gw-score);white-space:nowrap}
.gw-brand__tag{margin-top:5px;font-size:11px;line-height:1.3;letter-spacing:.14em;
  color:var(--gw-mute-dark);white-space:nowrap}
.gw-brand--footer{display:inline-flex}
.gw-brand__name--footer{font-size:1.38rem}

.gw-actions{display:flex;align-items:center;gap:10px}
.gw-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.66em 1.05em;font-size:13px;font-weight:600;letter-spacing:.06em;border:2px solid transparent;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out}
.gw-btn--flame{background:var(--gw-flame);color:#FFF8F4}
.gw-btn--flame:hover{background:var(--gw-flame-deep)}
.gw-btn--solid{background:var(--gw-score);color:var(--gw-ink)}
.gw-btn--solid:hover{background:var(--gw-signal)}
.gw-btn--line{border-color:rgba(232,226,216,.42);color:var(--gw-score)}
.gw-btn--line:hover{border-color:var(--gw-signal);color:var(--gw-signal)}
.gw-btn--ink{background:var(--gw-ink);color:var(--gw-score)}
.gw-btn--ink:hover{background:var(--gw-flame-deep)}

.gw-navtoggle{display:none;align-items:center;gap:9px;padding:9px 12px;font-size:12px;letter-spacing:.16em;
  border:1px solid rgba(232,226,216,.42);color:var(--gw-score);
  transition:border-color .18s ease-out,color .18s ease-out}
.gw-navtoggle:hover{border-color:var(--gw-signal);color:var(--gw-signal)}
.gw-navtoggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.gw-navtoggle__bars span{display:block;height:2px;background:currentColor;
  transition:transform .2s ease-out,opacity .2s ease-out}
.gw-navtoggle__bars span:nth-child(2){width:70%}
.gw-header[data-open] .gw-navtoggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.gw-header[data-open] .gw-navtoggle__bars span:nth-child(2){opacity:0}
.gw-header[data-open] .gw-navtoggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.gw-navtoggle__label{white-space:nowrap}

.gw-scrollline{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(232,226,216,.12);overflow:hidden}
.gw-scrollline span{display:block;width:0;height:100%;background:var(--gw-signal);transition:width .16s ease-out}

/* 左侧竖向索引条（桌面） */
.gw-nav{position:fixed;left:0;top:0;bottom:0;z-index:90;width:var(--gw-rail-w);
  display:flex;flex-direction:column;align-items:center;
  padding:calc(var(--gw-topbar-h) + 18px) 0 18px;overflow-y:auto;overflow-x:hidden;scrollbar-width:none;
  background-color:var(--gw-ink);
  background-image:repeating-linear-gradient(180deg,rgba(232,226,216,.055) 0 1px,transparent 1px 15px);
  border-right:1px solid rgba(232,226,216,.16)}
.gw-nav::-webkit-scrollbar{width:0;height:0}
.gw-nav__cap{flex:none;width:22px;height:22px;margin-bottom:18px;background:var(--gw-signal);
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%)}
.gw-nav__list{display:flex;flex-direction:column;width:100%;margin-block:auto}
.gw-nav__link{display:flex;align-items:center;justify-content:center;width:100%;padding:16px 0;
  font-family:var(--gw-font-display);font-weight:600;font-size:.8rem;letter-spacing:.22em;
  color:rgba(232,226,216,.74);box-shadow:inset 3px 0 0 transparent;
  transition:color .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out}
.gw-nav__link:hover{color:var(--gw-score);background:rgba(232,226,216,.05);
  box-shadow:inset 3px 0 0 rgba(232,226,216,.42)}
.gw-nav__link[aria-current="page"]{color:var(--gw-signal);background:rgba(225,84,28,.14);
  box-shadow:inset 3px 0 0 var(--gw-flame)}
.gw-nav__index{display:none;font-family:var(--gw-font-num);font-size:11px;letter-spacing:0;color:var(--gw-flame)}
.gw-nav__text{writing-mode:vertical-rl;text-orientation:upright;display:inline-block}
.gw-nav__foot{flex:none;display:flex;justify-content:center;padding-top:16px}
.gw-nav__foot-text{writing-mode:vertical-rl;text-orientation:upright;font-size:11px;letter-spacing:.2em;
  color:var(--gw-mute-dark)}

/* ---------- 五、页脚 ---------- */
.gw-footer{position:relative;background:var(--gw-ink);color:rgba(232,226,216,.78);font-size:14px;line-height:1.7}
.gw-footer::before{content:"";display:block;height:5px;
  background:repeating-linear-gradient(135deg,var(--gw-flame) 0 16px,var(--gw-ink) 16px 32px)}
.gw-footer__inner{padding-block:clamp(34px,5vw,58px) 20px}
.gw-footer__grid{display:grid;grid-template-columns:1fr;gap:clamp(24px,3.4vw,38px)}
.gw-footer__brandcol{min-width:0}
.gw-footer__note{margin-top:14px;max-width:30em;font-size:13px;line-height:1.75;color:rgba(232,226,216,.7)}
.gw-footer__cta{margin-top:18px}
.gw-footer__col{min-width:0}
.gw-footer__title{margin-bottom:14px;padding-bottom:8px;font-family:var(--gw-font-body);font-size:11px;
  font-weight:700;letter-spacing:.2em;color:var(--gw-brick);border-bottom:1px solid rgba(232,226,216,.16)}
.gw-footer__list{display:flex;flex-direction:column;gap:8px}
.gw-footer__list--plain{gap:10px}
.gw-footer__link{color:rgba(232,226,216,.75);font-size:14px;transition:color .18s ease-out}
.gw-footer__link:hover{color:var(--gw-signal)}
.gw-footer__line{display:flex;gap:9px;align-items:baseline;font-size:13px}
.gw-footer__k{flex:none;font-size:11px;letter-spacing:.14em;color:var(--gw-brick)}
.gw-footer__v{color:rgba(232,226,216,.86);word-break:break-all}
.gw-copy{margin-top:14px;padding:8px 13px;font-size:12px;letter-spacing:.12em;color:var(--gw-score);
  border:1px solid rgba(232,226,216,.34);
  transition:border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out}
.gw-copy:hover{border-color:var(--gw-signal);color:var(--gw-signal)}
.gw-copy[data-copied="true"]{border-color:var(--gw-turf);color:#8FD8B4}
.gw-footer__legal{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 26px;
  margin-top:clamp(26px,4vw,44px);padding-top:18px;border-top:1px solid rgba(232,226,216,.14);
  font-size:12px;letter-spacing:.08em;color:var(--gw-mute-dark)}
.gw-footer__copy{margin:0}
.gw-footer__legalnav{display:flex;flex-wrap:wrap;gap:18px}
.gw-footer__legalnav .gw-footer__link{font-size:12px;letter-spacing:.08em}

/* ---------- 六、通用组件 ---------- */
.gw-shell{width:100%;max-width:var(--gw-shell-max);margin:0 auto;padding-inline:var(--gw-gutter)}
.gw-section{padding-block:clamp(38px,6vw,80px)}
.gw-section--tight{padding-block:clamp(24px,3vw,44px)}
.gw-slash{height:6px;border:0;
  background:repeating-linear-gradient(135deg,var(--gw-flame) 0 12px,transparent 12px 24px);opacity:.85}

.gw-grid{display:grid;grid-template-columns:1fr;gap:clamp(14px,2vw,24px)}
@media (min-width:768px){
  .gw-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .gw-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .gw-grid--map{grid-template-columns:repeat(12,minmax(0,1fr))}
  .gw-span-4{grid-column:span 4}
  .gw-span-5{grid-column:span 5}
  .gw-span-6{grid-column:span 6}
  .gw-span-7{grid-column:span 7}
  .gw-span-8{grid-column:span 8}
  .gw-span-12{grid-column:span 12}
}

.gw-panel{background:var(--gw-score);border:1px solid var(--gw-brick);padding:clamp(16px,2.4vw,26px);
  clip-path:polygon(0 0,calc(100% - var(--gw-cut)) 0,100% var(--gw-cut),100% 100%,0 100%)}
.gw-panel--dark{background:var(--gw-pitch);border-color:transparent;color:var(--gw-score)}
.gw-panel--night{background:var(--gw-night);border-color:transparent;color:var(--gw-score)}
.gw-panel--flat{clip-path:none}
.gw-note{padding:14px 16px;font-size:14px;color:var(--gw-ink-soft);
  background:var(--gw-score);border-left:3px solid var(--gw-flame)}

.gw-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;font-size:11px;letter-spacing:.14em;
  color:var(--gw-ink-soft);background:var(--gw-score);border:1px solid var(--gw-brick)}
.gw-chip--flame{border-color:var(--gw-flame);color:var(--gw-flame-deep)}
.gw-chip--signal{background:var(--gw-signal);border-color:var(--gw-signal);color:var(--gw-ink)}
.gw-chip--dark{background:var(--gw-pitch);border-color:var(--gw-pitch);color:var(--gw-signal)}
.gw-chip--turf{background:transparent;border-color:var(--gw-turf);color:var(--gw-turf)}

.gw-stat{display:flex;flex-direction:column;gap:6px}
.gw-stat__num{font-family:var(--gw-font-num);font-weight:700;font-size:clamp(2rem,5vw,3.4rem);line-height:1}
.gw-stat__label{font-size:11px;letter-spacing:.18em;color:var(--gw-line)}

.gw-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--gw-brick);
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%)}
.gw-media img{width:100%;height:100%;object-fit:cover}
.gw-media--wide{aspect-ratio:21/9}
.gw-media--tall{aspect-ratio:3/4}
.gw-media--square{aspect-ratio:1/1}
.gw-media--flat{clip-path:none}
.gw-media--empty{background-image:repeating-linear-gradient(135deg,rgba(22,19,15,.09) 0 2px,transparent 2px 14px);
  background-color:var(--gw-brick)}
.gw-media__cap{position:absolute;left:0;bottom:0;padding:6px 12px;font-size:12px;letter-spacing:.12em;
  color:var(--gw-score);background:rgba(22,19,15,.82)}

.gw-list{border-top:1px solid var(--gw-brick)}
.gw-list__item{border-bottom:1px solid var(--gw-brick)}
.gw-list__link{display:block;padding:15px 4px;border-left:3px solid transparent;
  transition:background-color .18s ease-out,border-color .18s ease-out,padding-left .18s ease-out}
.gw-list__link:hover,.gw-list__link:focus-visible{background:var(--gw-score);
  border-left-color:var(--gw-signal);padding-left:15px}
.gw-list__meta{display:block;font-family:var(--gw-font-num);font-size:12px;letter-spacing:.06em;color:var(--gw-line)}
.gw-list__summary{display:grid;grid-template-rows:0fr;opacity:0;
  transition:grid-template-rows .22s ease-out,opacity .22s ease-out}
.gw-list__summary>span{display:block;overflow:hidden;font-size:14px;color:var(--gw-ink-soft)}
.gw-list__link:hover .gw-list__summary,
.gw-list__link:focus-visible .gw-list__summary{grid-template-rows:1fr;opacity:1}

.gw-acc{display:flex;flex-direction:column;border-top:1px solid var(--gw-brick)}
.gw-acc__item{border-bottom:1px solid var(--gw-brick)}
.gw-acc__btn{display:flex;align-items:center;gap:14px;width:100%;padding:16px 4px;text-align:left;
  font-family:var(--gw-font-display);font-weight:600;font-size:clamp(1rem,2vw,1.18rem);line-height:1.3}
.gw-acc__idx{flex:none;font-family:var(--gw-font-num);font-size:12px;color:var(--gw-flame-deep)}
.gw-acc__mark{flex:none;width:11px;height:11px;margin-left:auto;border-right:2px solid var(--gw-flame);
  border-bottom:2px solid var(--gw-flame);transform:rotate(45deg);
  transition:transform .22s ease-out}
.gw-acc__btn[aria-expanded="true"] .gw-acc__mark{transform:rotate(-135deg)}
.gw-acc__panel{display:grid;grid-template-rows:0fr;opacity:0;
  transition:grid-template-rows .22s ease-out,opacity .22s ease-out}
.gw-acc__btn[aria-expanded="true"] + .gw-acc__panel,
.gw-acc__panel[data-open]{grid-template-rows:1fr;opacity:1}
.gw-acc__inner{overflow:hidden}
.gw-acc__body{padding:0 4px 20px;max-width:52em;font-size:15px;color:var(--gw-ink-soft)}

.gw-tabs__list{display:flex;flex-wrap:wrap;gap:6px;border-bottom:1px solid var(--gw-brick)}
.gw-tabs__btn{padding:.55em .95em;font-size:13px;letter-spacing:.08em;color:var(--gw-line);
  border-bottom:2px solid transparent;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out}
.gw-tabs__btn:hover{color:var(--gw-ink)}
.gw-tabs__btn[aria-selected="true"]{color:var(--gw-ink);background:var(--gw-score);
  border-bottom-color:var(--gw-flame)}
[data-tab-panel]{display:none}
[data-tab-panel][data-active]{display:block}

.gw-timeline{position:relative;display:flex;flex-direction:column;padding-left:24px}
.gw-timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--gw-flame),rgba(225,84,28,.12))}
.gw-timeline__item{position:relative;padding-bottom:22px}
.gw-timeline__node{position:absolute;left:-24px;top:6px;width:12px;height:12px;background:var(--gw-wall);
  border:2px solid var(--gw-flame);transform:rotate(45deg)}
.gw-timeline__item.is-current .gw-timeline__node{background:var(--gw-signal);border-color:var(--gw-signal)}
.gw-timeline__date{display:block;font-family:var(--gw-font-num);font-size:12px;letter-spacing:.08em;color:var(--gw-line)}

.gw-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;padding-block:14px;font-size:12px;
  letter-spacing:.12em;color:var(--gw-line)}
.gw-breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.gw-breadcrumb li+li::before{content:"/";color:var(--gw-brick)}
.gw-breadcrumb a:hover{color:var(--gw-flame-deep)}

/* ---------- 七、响应式 ---------- */
@media (min-width:640px){
  .gw-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .gw-footer__grid{grid-template-columns:minmax(230px,1.5fr) repeat(3,minmax(140px,1fr)) minmax(230px,1.4fr)}
}
@media (max-width:1079.98px){
  .gw-navtoggle{display:inline-flex}
  .gw-nav{position:fixed;left:0;right:0;top:var(--gw-topbar-h);bottom:auto;width:auto;display:block;
    padding:10px 0 22px;border-right:0;border-bottom:2px solid var(--gw-flame);
    max-height:calc(100vh - var(--gw-topbar-h));
    max-height:calc(100dvh - var(--gw-topbar-h));
    overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s}
  .gw-header[data-open] .gw-nav{opacity:1;visibility:visible;transform:none}
  .gw-nav__cap{display:none}
  .gw-nav__list{margin:0;padding:0 var(--gw-gutter)}
  .gw-nav__link{justify-content:flex-start;gap:14px;padding:15px 6px;font-size:1rem;letter-spacing:.06em;
    box-shadow:inset 3px 0 0 transparent;border-bottom:1px solid rgba(232,226,216,.12)}
  .gw-nav__link:hover{background:rgba(232,226,216,.06);box-shadow:inset 3px 0 0 rgba(232,226,216,.4)}
  .gw-nav__link[aria-current="page"]{background:rgba(225,84,28,.14);box-shadow:inset 3px 0 0 var(--gw-flame)}
  .gw-nav__index{display:inline-block}
  .gw-nav__text{writing-mode:horizontal-tb;text-orientation:initial;letter-spacing:.06em}
  .gw-nav__foot{display:block;padding:18px var(--gw-gutter) 0}
  .gw-nav__foot-text{writing-mode:horizontal-tb;font-size:11px;letter-spacing:.16em}
}
@media (max-width:840px){
  .gw-actions__sub{display:none}
}
@media (max-width:520px){
  .gw-brand__tag{display:none}
  .gw-brand__mark{width:26px;height:23px}
  .gw-brand__name{font-size:1.1rem}
  .gw-navtoggle{padding:8px 10px}
  .gw-navtoggle__label{display:none}
  .gw-footer__line{flex-direction:column;gap:2px}
}

/* ---------- 八、动效与可达性 ---------- */
[data-gw-js="on"] .gw-reveal{opacity:0;transform:translateY(14px);
  transition:opacity .42s ease-out,transform .42s ease-out}
.gw-reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  [data-gw-js="on"] .gw-reveal{opacity:1;transform:none}
  .gw-scrollline span{transition:none}
}