/* ============================================================
   多宝体育主站 · 共享样式 /assets/site.css
   结构：深松绿 / 行动：高原日落橙 / 数据：澜沧江蓝
   ============================================================ */

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

/* ---------- 2. Tokens ---------- */
:root{
  --sunset:#E2552B;
  --sunset-soft:#F58A4B;
  --pine:#10362E;
  --pine-mid:#1E5A4A;
  --river:#1F6FA8;
  --river-mist:#A8CBE0;
  --cream:#F4EFE6;
  --ink:#0B1512;
  --gravel:#CFC7B8;
  --cyan:#37E3C6;
  --alert:#B33A2B;
  --white-warm:#FFFBF4;

  --font-display:"Barlow Condensed","Oswald","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-data:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --radius:4px;
  --edge:2px solid var(--pine);
  --shadow-hard:6px 6px 0 var(--pine);
  --shadow-ink:6px 6px 0 var(--ink);
  --maxw:1280px;
  --gutter:20px;
}

/* ---------- 3. 基础中文排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
p{max-width:38em}
a{
  color:var(--river);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
}
a:hover{color:var(--sunset)}
strong,b{font-weight:700}
::selection{background:var(--sunset);color:var(--white-warm)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
hr{border:0;border-top:2px solid var(--gravel);margin:32px 0}

/* ---------- 4. 无障碍小工具 ---------- */
.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  display:inline-block;padding:10px 18px;
  background:var(--white-warm);color:var(--ink);
  font-weight:700;font-size:14px;text-decoration:none;
  border:2px solid var(--ink);box-shadow:4px 4px 0 var(--pine);
  transform:translateY(-160%);
  transition:transform .18s ease;
}
.skip-link:focus{transform:translateY(0);color:var(--ink)}

/* ---------- 5. 站点头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  padding:16px 0;
  color:var(--white-warm);
  background:linear-gradient(180deg,rgba(11,21,18,.82) 0%,rgba(11,21,18,.46) 62%,rgba(11,21,18,0) 100%);
  border-bottom:2px solid transparent;
  transition:background-color .24s ease,padding .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  background:var(--pine);
  padding:9px 0;
  border-bottom-color:var(--ink);
  box-shadow:0 4px 0 rgba(11,21,18,.22);
}
.header-inner{
  width:min(100% - (var(--gutter) * 2),var(--maxw));
  margin-inline:auto;
  display:flex;align-items:center;gap:20px;
}

/* 署名 */
.brand{
  display:inline-flex;align-items:center;gap:11px;
  color:inherit;text-decoration:none;flex:0 0 auto;
}
.brand:hover{color:var(--white-warm)}
.brand-mark{display:inline-flex;flex-direction:column;gap:4px;line-height:0}
.brand-mark i{display:block;height:3px;background:var(--sunset)}
.brand-mark i:nth-child(1){width:24px}
.brand-mark i:nth-child(2){width:16px}
.brand-mark i:nth-child(3){width:9px;background:var(--sunset-soft)}
.brand-text{display:inline-flex;flex-direction:column;gap:2px}
.brand-name{
  font-family:var(--font-display);
  font-size:23px;font-weight:800;line-height:1;letter-spacing:.02em;
}
.brand-sub{
  font-family:var(--font-data);
  font-size:10px;line-height:1.2;letter-spacing:.14em;
  color:rgba(255,251,244,.62);
}

/* 导航 */
.site-nav{
  display:flex;align-items:center;gap:6px;
  margin-left:auto;
}
.nav-list{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.nav-list > li{position:relative}
.nav-link{
  position:relative;display:block;
  padding:9px 12px;
  font-size:15px;line-height:1.2;font-weight:500;
  color:inherit;text-decoration:none;
  border-radius:3px;
  transition:background-color .16s ease,color .16s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--sunset);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .18s ease;
}
.nav-link:hover,.nav-link:focus-visible{background:rgba(255,251,244,.08);color:var(--white-warm)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--sunset-soft)}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--sunset)}
.nav-note{display:none}
.nav-quick{
  margin-left:10px;
  display:inline-flex;align-items:center;
  padding:9px 16px;
  font-size:14px;font-weight:700;line-height:1.2;
  color:var(--white-warm);text-decoration:none;
  background:var(--sunset);
  border:2px solid var(--ink);border-radius:3px;
  box-shadow:4px 4px 0 var(--ink);
  transition:transform .14s ease,box-shadow .14s ease,background-color .14s ease;
}
.nav-quick:hover{
  color:var(--white-warm);background:var(--sunset-soft);
  transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--ink);
}
.nav-quick:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}

/* 移动端按钮 */
.nav-toggle{
  display:none;
  margin-left:auto;
  align-items:center;gap:9px;
  padding:9px 13px;
  background:transparent;
  color:var(--white-warm);
  border:2px solid rgba(255,251,244,.55);
  border-radius:3px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--white-warm);background:rgba(255,251,244,.08)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:5px;width:18px}
.nav-toggle-bars span{display:block;height:2px;width:100%;background:var(--sunset-soft);transition:transform .2s ease,opacity .2s ease}
.nav-toggle-label{font-family:var(--font-data);font-size:12px;letter-spacing:.12em}
.site-header[data-open] .nav-toggle-bars span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.site-header[data-open] .nav-toggle-bars span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}
.site-header[data-open] .nav-toggle-label{color:var(--sunset-soft)}
.site-header[data-open]{background:var(--pine);border-bottom-color:var(--ink)}
body.nav-open{overflow:hidden}

/* ---------- 6. 站点页脚 ---------- */
.site-footer{
  margin-top:0;
  background:var(--pine);
  color:var(--cream);
  border-top:4px solid var(--sunset);
  padding:56px 0 0;
}
.footer-inner{
  width:min(100% - (var(--gutter) * 2),var(--maxw));
  margin-inline:auto;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.35fr;
  gap:32px 28px;
  padding-bottom:40px;
}
.footer-col{min-width:0}
.footer-brand .brand{color:var(--cream)}
.footer-name{
  font-family:var(--font-display);
  font-size:26px;font-weight:800;line-height:1;letter-spacing:.02em;
}
.footer-tagline{
  margin-top:14px;
  max-width:32ch;
  font-size:14px;line-height:1.7;
  color:rgba(244,239,230,.76);
  display:flex;align-items:center;gap:8px;
}
.footer-title{
  font-family:var(--font-data);
  font-size:12px;font-weight:700;letter-spacing:.18em;
  color:var(--river-mist);
  margin-bottom:16px;
  padding-bottom:8px;
  border-bottom:2px solid var(--pine-mid);
}
.footer-list{display:grid;gap:10px}
.footer-link{
  color:var(--cream);
  font-size:15px;
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-decoration-color:rgba(244,239,230,.4);
  text-underline-offset:4px;
  transition:color .16s ease,text-decoration-color .16s ease;
}
.footer-link:hover,.footer-link:focus-visible{color:var(--sunset-soft);text-decoration-color:var(--sunset-soft)}
.footer-contact{display:grid;gap:10px;font-size:14px;line-height:1.65}
.footer-contact-row{display:block;color:rgba(244,239,230,.82)}
.footer-contact .num{color:var(--cream);font-size:13px;word-break:break-word}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;
  padding:18px 0 26px;
  border-top:2px solid var(--pine-mid);
}
.footer-legal{
  max-width:none;
  font-family:var(--font-data);
  font-size:12px;letter-spacing:.04em;
  color:rgba(244,239,230,.6);
}

/* ---------- 7. 布局容器 ---------- */
.container{width:min(100% - (var(--gutter) * 2),var(--maxw));margin-inline:auto}
.container--read{width:min(100% - (var(--gutter) * 2),760px);margin-inline:auto}
.section{padding:72px 0}
.section--tight{padding:40px 0}
.section--ink{background:var(--pine);color:var(--cream)}
.section--ink p{color:rgba(244,239,230,.88)}
.section--ink a{color:var(--river-mist)}
.section--ink a:hover{color:var(--sunset-soft)}
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- 8. 文字组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-data);
  font-size:12px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--pine-mid);
}
.eyebrow::before{content:"";display:block;width:24px;height:3px;background:var(--sunset)}
.section--ink .eyebrow{color:var(--river-mist)}
.display-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(34px,6vw,72px);
  line-height:.98;
  letter-spacing:-.01em;
  margin:.24em 0 .32em;
}
.lead{
  font-size:clamp(16px,1.6vw,20px);
  line-height:1.7;
  color:#26362f;
  max-width:38em;
}
.section--ink .lead{color:rgba(244,239,230,.9)}
.num{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  letter-spacing:-.01em;
}
.tilt{display:inline-block;transform:skewX(-4deg)}

/* ---------- 9. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 22px;
  font-size:15px;font-weight:700;line-height:1;
  text-decoration:none;
  border:2px solid var(--ink);border-radius:3px;
  cursor:pointer;
  transition:transform .14s ease,box-shadow .14s ease,background-color .14s ease,color .14s ease;
}
.btn:active{transform:translate(2px,2px)}
.btn--primary{background:var(--sunset);color:var(--white-warm);box-shadow:5px 5px 0 var(--ink)}
.btn--primary:hover{background:var(--sunset-soft);color:var(--white-warm);transform:translate(-1px,-1px);box-shadow:6px 6px 0 var(--ink)}
.btn--primary:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.btn--outline{background:var(--white-warm);color:var(--ink);box-shadow:5px 5px 0 var(--pine)}
.btn--outline:hover{background:var(--pine);color:var(--cream);transform:translate(-1px,-1px);box-shadow:6px 6px 0 var(--ink)}
.btn--outline:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.btn--quiet{background:var(--pine);color:var(--cream);border-color:var(--ink);box-shadow:5px 5px 0 rgba(11,21,18,.28)}
.btn--quiet:hover{background:var(--pine-mid);color:var(--white-warm);transform:translate(-1px,-1px);box-shadow:6px 6px 0 rgba(11,21,18,.34)}
.btn--quiet:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(11,21,18,.34)}

/* ---------- 10. 面包屑 ---------- */
.breadcrumb{padding:18px 0 0;font-family:var(--font-data);font-size:12px;letter-spacing:.04em}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb-item{color:var(--pine-mid);max-width:none}
.breadcrumb-item + .breadcrumb-item::before{content:"/";margin-right:8px;color:var(--gravel)}
.breadcrumb-item a{color:inherit;text-decoration:none;border-bottom:1px solid var(--gravel)}
.breadcrumb-item a:hover{color:var(--sunset);border-bottom-color:var(--sunset)}
.breadcrumb-item[aria-current="page"]{color:var(--ink);font-weight:700}

/* ---------- 11. 面板 ---------- */
.panel{
  background:var(--white-warm);
  border:var(--edge);
  border-radius:var(--radius);
  box-shadow:var(--shadow-hard);
  padding:22px;
}
.panel--dark{
  background:var(--pine);color:var(--cream);
  border-color:var(--ink);
  box-shadow:6px 6px 0 var(--sunset);
}
.panel--dark a{color:var(--river-mist)}
.panel--dark a:hover{color:var(--sunset-soft)}

/* ---------- 12. 图片容器（页面阶段注入 img） ---------- */
.img-frame{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:4 / 3;
  border:var(--edge);border-radius:var(--radius);
  background:
    linear-gradient(135deg,rgba(31,111,168,.5) 0%,rgba(16,54,46,.92) 62%,rgba(11,21,18,1) 100%),
    repeating-linear-gradient(90deg,transparent 0 46px,rgba(244,239,230,.14) 46px 48px),
    var(--pine);
}
.img-frame img,.img-frame svg{width:100%;height:100%;object-fit:cover;display:block}
.img-frame--wide{aspect-ratio:16 / 9}
.img-frame--tall{aspect-ratio:3 / 4}
.img-frame--square{aspect-ratio:1 / 1}
.img-frame--flush{border:0;border-radius:0}
.img-frame--shade::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,21,18,0) 42%,rgba(11,21,18,.62) 100%);
}
.img-frame > .data-tag{position:absolute;left:12px;bottom:12px;z-index:2}
.data-tag{
  display:inline-block;
  padding:3px 9px;
  background:rgba(16,54,46,.72);
  color:var(--white-warm);
  font-family:var(--font-data);font-size:12px;font-weight:500;letter-spacing:.06em;line-height:1.5;
  border-radius:2px;
}

/* ---------- 13. 筛选 chips ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:8px;
  padding:16px 0;
}
.filter-chip{
  padding:8px 14px;
  font-family:var(--font-data);font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--pine);
  background:transparent;
  border:2px solid var(--pine);border-radius:3px;
  cursor:pointer;
  transition:background-color .14s ease,color .14s ease,box-shadow .14s ease,transform .14s ease;
}
.filter-chip:hover{background:rgba(16,54,46,.08)}
.filter-chip[aria-pressed="true"]{
  background:var(--pine);color:var(--cream);
  box-shadow:3px 3px 0 var(--sunset);
  transform:translate(-1px,-1px);
}
[data-filter-item].is-hidden{display:none}

/* ---------- 14. 状态点 ---------- */
.status-dot{
  display:inline-block;width:8px;height:8px;flex:0 0 auto;
  border-radius:50%;
  background:var(--sunset);
  animation:status-pulse 2.4s ease-out 3;
}
@keyframes status-pulse{
  0%{box-shadow:0 0 0 0 rgba(226,85,43,.55)}
  70%{box-shadow:0 0 0 10px rgba(226,85,43,0)}
  100%{box-shadow:0 0 0 0 rgba(226,85,43,0)}
}

/* ---------- 15. 滚动显现 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1);
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 16. 响应式：平板 ---------- */
@media (max-width:1180px){
  .nav-link{padding:9px 9px;font-size:14px}
  .nav-link::after{left:9px;right:9px}
  .nav-quick{padding:8px 13px;font-size:13px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;inset:0;z-index:80;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    margin-left:0;
    padding:96px var(--gutter) 40px;
    background:var(--pine);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .site-header[data-open] .site-nav{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%;flex-wrap:nowrap}
  .nav-link{
    padding:16px 2px 10px;
    font-family:var(--font-display);
    font-size:27px;font-weight:800;line-height:1.1;
    border-radius:0;
    border-bottom:1px solid rgba(244,239,230,.16);
  }
  .nav-link::after{display:none}
  .nav-link:hover,.nav-link:focus-visible{background:transparent;color:var(--sunset-soft)}
  .nav-link[aria-current="page"]{color:var(--sunset-soft);box-shadow:inset 4px 0 0 var(--sunset);padding-left:12px}
  .nav-note{
    display:block;
    padding:0 2px 14px;
    font-family:var(--font-body);
    font-size:12px;line-height:1.6;letter-spacing:.02em;
    color:rgba(244,239,230,.58);
    border-bottom:1px solid rgba(244,239,230,.16);
  }
  .nav-quick{
    margin:26px 0 0;
    padding:15px 18px;
    justify-content:center;
    font-size:15px;
  }
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-col:last-child{grid-column:auto}
  .section{padding:56px 0}
  .display-title{font-size:clamp(32px,7vw,56px)}
}
@media (max-width:900px){
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
}
/* ---------- 17. 响应式：手机 ---------- */
@media (max-width:680px){
  :root{--gutter:16px}
  body{font-size:16px;line-height:1.78}
  .brand-name{font-size:20px}
  .brand-sub{font-size:9px;letter-spacing:.1em}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .panel{padding:18px;box-shadow:4px 4px 0 var(--pine)}
  .panel--dark{box-shadow:4px 4px 0 var(--sunset)}
  .btn{width:100%}
  .section{padding:44px 0}
  .img-frame--tall{aspect-ratio:4 / 5}
}

/* ---------- 18. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1 !important;transform:none !important}
}