/* ============================================================
   心博体育 /assets/site.css —— 共享外壳样式
   分区色策略：雪白阅读区 60% / 湖蓝栏目区 30% / 深湖夜蓝 10%
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::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,dl,dd,fieldset{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
a{color:inherit;text-decoration:none;}
img,svg{display:block;max-width:100%;}
table{border-collapse:collapse;}
:focus-visible{outline:3px solid var(--neon);outline-offset:3px;}
::selection{background:var(--sun);color:#FFFFFF;}

/* ---------- 2. 变量 ---------- */
:root{
  --lake:#0B5D8C;
  --deep:#062F4A;
  --sun:#FF6A2B;
  --amber:#FFB347;
  --home:#8E1B3A;
  --away:#3B1E6E;
  --neon:#27D3C0;
  --snow:#F7FAFC;
  --ink:#1C2329;
  --slate:#5A6B78;
  --line:rgba(90,107,120,.28);
  --line-dark:rgba(247,250,252,.18);
  --max:1200px;
  --gut:clamp(16px,4vw,40px);
  --cut:16px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --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,-apple-system,"Segoe UI",sans-serif;
  --font-data:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- 3. 基础排版 ---------- */
body{
  background:var(--snow);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  min-height:100vh;
}
h1,h2,h3,h4,h5{font-family:var(--font-display);font-weight:900;line-height:1.1;letter-spacing:-.02em;}
.display-1{font-size:clamp(44px,9vw,140px);line-height:.94;letter-spacing:-.035em;}
.display-2{font-size:clamp(30px,5vw,64px);line-height:1;}
.display-3{font-size:clamp(22px,3vw,36px);line-height:1.14;}
.lede{max-width:42ch;font-size:clamp(16px,1.8vw,20px);line-height:1.75;color:var(--slate);}
.section--deep .lede,.section--lake .lede,.section--sunset .lede{color:rgba(247,250,252,.82);}
.eyebrow{display:inline-block;font-family:var(--font-data);font-size:12px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--sun);}
.eyebrow--ink{color:var(--lake);}
.annot{writing-mode:vertical-rl;text-orientation:mixed;font-family:var(--font-data);font-size:12px;letter-spacing:.26em;line-height:1;color:var(--slate);}
.mono,.data-num{font-family:var(--font-data);font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.data-num{font-size:clamp(28px,4vw,56px);line-height:1;}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- 4. 布局容器 ---------- */
.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gut);}
.container--narrow{max-width:760px;}
.section{padding-block:clamp(40px,6vw,84px);}
.section--tight{padding-block:clamp(22px,4vw,44px);}
.section--snow{background:var(--snow);color:var(--ink);}
.section--lake{background:var(--lake);color:var(--snow);}
.section--deep{background:var(--deep);color:var(--snow);}
.section--sunset{background:linear-gradient(118deg,var(--home),var(--away));color:var(--snow);}
.grid--12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2.2vw,28px);}
.col-4{grid-column:span 4;}
.col-5{grid-column:span 5;}
.col-7{grid-column:span 7;}
.col-8{grid-column:span 8;}
.col-12{grid-column:span 12;}
.asym{display:grid;grid-template-columns:62fr 34fr;gap:clamp(20px,3.4vw,44px);align-items:start;}
.asym__side{position:relative;}
.stack{display:grid;gap:clamp(12px,2vw,20px);}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.divider{height:1px;border:0;background:var(--line);}
.divider--dark{background:var(--line-dark);}
.axis-line{position:relative;height:2px;border:0;background:linear-gradient(90deg,var(--sun),var(--amber) 34%,var(--neon) 72%,rgba(39,211,192,0));}
.band-head{
  position:relative;overflow:hidden;color:var(--snow);
  padding:clamp(18px,3vw,28px) var(--gut);
  background:linear-gradient(104deg,var(--deep) 0 62%,var(--lake) 62% 100%);
}
.band-head::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:clamp(48px,12%,150px);
  background:linear-gradient(104deg,rgba(6,47,74,0),rgba(255,106,43,.85));pointer-events:none;
}
.band-head > *{position:relative;z-index:1;}
.texture-contour{position:relative;}
.texture-contour::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(118deg,rgba(247,250,252,.06) 0 1px,transparent 1px 26px),
    repeating-linear-gradient(62deg,rgba(39,211,192,.05) 0 1px,transparent 1px 44px);
}
.dotgrid{
  background-image:radial-gradient(rgba(28,35,41,.14) 1px,transparent 1.4px);
  background-size:14px 14px;
}

/* ---------- 5. 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;font-family:var(--font-display);font-weight:700;
  font-size:15px;letter-spacing:.04em;line-height:1.2;
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.btn--primary{background:var(--sun);color:#0A1014;}
.btn--primary:hover{background:var(--amber);color:var(--ink);transform:translateY(-2px);}
.btn--amber{background:var(--amber);color:var(--ink);}
.btn--amber:hover{background:var(--snow);color:var(--deep);transform:translateY(-2px);}
.btn--ghost{background:rgba(247,250,252,.04);color:var(--snow);box-shadow:inset 0 0 0 1px rgba(247,250,252,.45);}
.btn--ghost:hover{background:rgba(39,211,192,.18);transform:translateY(-2px);}

/* ---------- 6. 面包屑 ---------- */
.breadcrumb{margin-bottom:clamp(16px,2.6vw,26px);}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-data);font-size:12px;letter-spacing:.04em;color:var(--slate);}
.breadcrumb__item{display:inline-flex;align-items:center;}
.breadcrumb__item:not(:last-child)::after{content:"/";margin-left:8px;color:var(--amber);}
.breadcrumb__item a:hover{color:var(--lake);text-decoration:underline;text-decoration-color:var(--neon);text-underline-offset:4px;}
.breadcrumb__item[aria-current="page"]{color:var(--ink);font-weight:600;}

/* ---------- 7. 图片容器基类 ---------- */
.frame{
  position:relative;display:block;width:100%;overflow:hidden;
  background:linear-gradient(140deg,var(--deep),var(--lake) 55%,var(--away));
  border:1px solid var(--line-dark);
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);
}
.frame::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(115deg,rgba(247,250,252,.07) 0 1px,transparent 1px 26px),
    repeating-linear-gradient(65deg,rgba(39,211,192,.07) 0 1px,transparent 1px 42px);
}
.frame img{width:100%;height:100%;object-fit:cover;}
.frame__placeholder{
  position:absolute;left:14px;right:14px;bottom:12px;
  font-family:var(--font-data);font-size:11px;letter-spacing:.18em;
  color:rgba(247,250,252,.72);
}
.frame__caption{display:block;margin-top:10px;font-size:12.5px;line-height:1.6;color:var(--slate);}
.frame--wide{aspect-ratio:16/9;}
.frame--tall{aspect-ratio:3/4;}
.frame--square{aspect-ratio:1/1;}
.frame--video{aspect-ratio:21/9;}

/* ---------- 8. 数据组件 ---------- */
.metric{display:flex;align-items:flex-end;gap:12px;}
.metric__value{font-family:var(--font-data);font-weight:600;font-size:clamp(40px,7vw,88px);line-height:.9;letter-spacing:-.03em;}
.metric__unit{font-family:var(--font-data);font-size:13px;letter-spacing:.14em;color:var(--slate);padding-bottom:6px;}
.metric--home .metric__value{color:var(--home);}
.metric--away .metric__value{color:var(--away);}
.section--deep .metric__unit,.section--lake .metric__unit,.section--sunset .metric__unit{color:rgba(247,250,252,.7);}

.cut-card{
  --cut:16px;position:relative;background:#FFFFFF;border:1px solid var(--line);
  padding:clamp(16px,2.4vw,26px);
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.cut-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--sun),var(--amber));opacity:.45;
  transition:opacity .24s var(--ease);
}
.cut-card:hover{transform:translateY(-4px);border-color:var(--amber);}
.cut-card:hover::after{opacity:1;}
.cut-card__label{display:block;font-family:var(--font-data);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--slate);}
.cut-card--home{border-left:4px solid var(--home);}
.cut-card--away{border-left:4px solid var(--away);}

.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;
  font-family:var(--font-data);font-size:12px;letter-spacing:.06em;
  color:var(--slate);background:#FFFFFF;border:1px solid var(--line);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:var(--amber);color:var(--ink);}
.chip[aria-pressed="true"],.chip.is-active{background:var(--sun);border-color:var(--sun);color:#FFFFFF;}

/* ---------- 9. 横向滚动轴 ---------- */
.axis{
  position:relative;overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x proximity;padding-bottom:10px;scrollbar-width:thin;
}
.axis:focus-visible{outline:3px solid var(--neon);outline-offset:4px;}
.axis__track{display:flex;gap:clamp(12px,2vw,20px);min-width:max-content;}
.axis__item{flex:0 0 auto;width:min(320px,78vw);scroll-snap-align:start;}
.axis::-webkit-scrollbar{height:8px;}
.axis::-webkit-scrollbar-track{background:rgba(90,107,120,.14);}
.axis::-webkit-scrollbar-thumb{background:var(--lake);}

/* ---------- 10. 长文排版 ---------- */
.prose{max-width:70ch;font-size:16.5px;line-height:1.85;}
.prose > * + *{margin-top:1.05em;}
.prose h2{font-size:clamp(22px,2.6vw,30px);margin-top:1.7em;}
.prose h3{font-size:clamp(18px,2vw,22px);margin-top:1.4em;}
.prose ul,.prose ol{list-style:disc;padding-left:1.5em;}
.prose ol{list-style:decimal;}
.prose li + li{margin-top:.4em;}
.prose a{color:var(--lake);text-decoration:underline;text-decoration-color:var(--neon);text-underline-offset:4px;}
.prose strong{font-weight:700;}
.prose blockquote{border-left:3px solid var(--sun);padding-left:16px;color:var(--slate);}
.prose code{font-family:var(--font-data);font-size:.92em;background:rgba(11,93,140,.08);padding:2px 6px;}

/* ---------- 11. 显现动效 ---------- */
.js [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .45s var(--ease),transform .45s var(--ease);}
.js [data-reveal].is-in{opacity:1;transform:none;}

/* ---------- 12. 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;color:var(--snow);}
.scroll-progress{
  position:fixed;top:0;left:0;width:100%;height:3px;z-index:120;pointer-events:none;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--sun),var(--amber) 45%,var(--neon));
}
.skip-link{
  position:absolute;left:12px;top:-64px;z-index:200;
  padding:10px 18px;background:var(--amber);color:var(--ink);
  font-family:var(--font-data);font-size:13px;letter-spacing:.08em;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:10px;color:var(--ink);}
.header-bar{
  position:relative;
  background:linear-gradient(96deg,var(--deep) 0 42%,var(--lake) 42% 100%);
  border-bottom:1px solid rgba(39,211,192,.24);
}
.header-inner{
  width:100%;max-width:var(--max);margin-inline:auto;
  padding:8px var(--gut);min-height:62px;
  display:flex;align-items:center;gap:clamp(10px,2vw,26px);
  transition:padding .24s var(--ease);
}
.site-header[data-scrolled] .header-inner{padding-block:3px;}
.site-header[data-scrolled] .brand__status{opacity:.65;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:34px;height:34px;display:grid;place-items:center;
  font-family:var(--font-display);font-weight:900;font-size:18px;color:var(--ink);
  background:linear-gradient(135deg,var(--amber),var(--sun));
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
}
.brand__text{display:flex;flex-direction:column;line-height:1.16;}
.brand__name{font-family:var(--font-display);font-weight:900;font-size:17px;letter-spacing:.05em;color:var(--snow);}
.brand__status{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-data);font-size:11px;letter-spacing:.08em;color:rgba(247,250,252,.72);transition:opacity .24s var(--ease);}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--neon);box-shadow:0 0 0 3px rgba(39,211,192,.2);animation:status-pulse 2.6s infinite ease-in-out;}
@keyframes status-pulse{0%,100%{opacity:1;}50%{opacity:.4;}}

.nav{margin-left:auto;}
.nav__list{display:flex;align-items:center;gap:2px;}
.nav__item{position:relative;}
.nav__link{
  display:flex;align-items:baseline;gap:7px;padding:10px 11px;
  font-size:14px;font-weight:500;white-space:nowrap;
  color:rgba(247,250,252,.8);border-bottom:2px solid transparent;
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav__index{font-family:var(--font-data);font-size:10px;letter-spacing:0;color:var(--amber);}
.nav__link:hover{color:#FFFFFF;background:rgba(247,250,252,.08);}
.nav__link[aria-current="page"]{color:#FFFFFF;background:rgba(255,106,43,.18);border-bottom-color:var(--sun);}
.nav__link[aria-current="page"] .nav__index{color:var(--neon);}

.nav-toggle{
  display:none;margin-left:auto;align-items:center;gap:9px;padding:9px 14px;
  color:var(--snow);border:1px solid rgba(247,250,252,.32);
  font-family:var(--font-data);font-size:12px;letter-spacing:.1em;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:16px;}
.nav-toggle__bars span{display:block;height:2px;background:currentColor;transition:transform .2s var(--ease);}
.nav-toggle[aria-expanded="true"]{background:var(--sun);border-color:var(--sun);color:#0A1014;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child{transform:translateY(3px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child{transform:translateY(-3px) rotate(-45deg);}

.statusbar{background:var(--deep);border-bottom:1px solid rgba(247,250,252,.12);}
.statusbar__inner{
  width:100%;max-width:var(--max);margin-inline:auto;padding:6px var(--gut);
  display:flex;align-items:center;gap:clamp(10px,3vw,28px);
  overflow-x:auto;scrollbar-width:none;
  font-family:var(--font-data);font-size:11.5px;letter-spacing:.06em;color:rgba(247,250,252,.74);
}
.statusbar__inner::-webkit-scrollbar{height:0;}
.statusbar__item{display:inline-flex;align-items:baseline;gap:7px;white-space:nowrap;}
.statusbar__label{color:rgba(247,250,252,.55);}
.statusbar__value{color:var(--amber);font-weight:600;}
.statusbar__unit{color:rgba(247,250,252,.55);}
.statusbar__divider{flex:0 0 auto;width:1px;height:12px;background:linear-gradient(180deg,transparent,rgba(247,250,252,.38),transparent);}
.statusbar__item--live .statusbar__value{color:var(--neon);}

/* ---------- 13. 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  background:var(--deep);color:var(--snow);
  border-top:3px solid var(--sun);
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(115deg,rgba(247,250,252,.05) 0 1px,transparent 1px 26px),
    repeating-linear-gradient(65deg,rgba(39,211,192,.05) 0 1px,transparent 1px 44px);
}
.footer-inner{position:relative;z-index:1;width:100%;max-width:var(--max);margin-inline:auto;padding:clamp(32px,6vw,64px) var(--gut) 20px;}
.footer-top{display:grid;grid-template-columns:minmax(180px,.9fr) 3fr;gap:clamp(20px,4vw,48px);}
.footer-brand__name{font-family:var(--font-display);font-weight:900;font-size:clamp(26px,3vw,36px);letter-spacing:.02em;}
.footer-brand__meta{margin-top:8px;font-family:var(--font-data);font-size:12px;letter-spacing:.12em;color:rgba(247,250,252,.6);}
.footer-brand__rule{display:block;width:52px;height:4px;margin-top:16px;background:linear-gradient(90deg,var(--sun),var(--amber));}
.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,3vw,36px);}
.footer-col__title{font-family:var(--font-data);font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);}
.footer-list{margin-top:14px;display:grid;gap:8px;}
.footer-list__item a{font-size:14.5px;color:rgba(247,250,252,.8);}
.footer-list__item a:hover{color:var(--snow);text-decoration:underline;text-decoration-color:var(--neon);text-underline-offset:4px;}
.footer-contact{margin-top:14px;display:grid;gap:10px;}
.footer-contact__row{display:grid;grid-template-columns:44px minmax(0,1fr);gap:10px;font-size:13.5px;}
.footer-contact__label{font-family:var(--font-data);font-size:11.5px;letter-spacing:.1em;color:rgba(247,250,252,.55);padding-top:2px;}
.footer-contact__value{color:rgba(247,250,252,.88);word-break:break-word;}
.footer-bottom{
  margin-top:clamp(24px,4vw,44px);padding-top:18px;
  border-top:1px solid rgba(247,250,252,.16);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;
}
.footer-legal{font-family:var(--font-data);font-size:12px;letter-spacing:.06em;color:rgba(247,250,252,.6);}
.footer-note{font-size:13px;color:rgba(247,250,252,.76);}
.footer-cta{flex:0 0 auto;}

.to-top{
  position:fixed;right:clamp(14px,3vw,28px);bottom:clamp(14px,3vw,28px);z-index:90;
  padding:11px 16px;background:var(--lake);color:var(--snow);
  border:1px solid rgba(39,211,192,.5);
  font-family:var(--font-data);font-size:12px;letter-spacing:.1em;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.to-top:hover{background:var(--sun);color:#0A1014;transform:translateY(-3px);}
.to-top[hidden]{display:none;}

/* ---------- 14. 响应式 ---------- */
@media (max-width:1040px){
  .nav-toggle{display:inline-flex;}
  .nav{
    position:absolute;left:0;right:0;top:100%;z-index:70;margin:0;display:none;
    padding:8px var(--gut) 18px;
    background:linear-gradient(180deg,var(--deep),#04222F);
    border-bottom:2px solid var(--sun);
    clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
  }
  .nav[data-open]{display:block;}
  .nav__list{flex-direction:column;align-items:stretch;gap:0;}
  .nav__link{
    padding:14px 8px;font-size:16px;
    border-bottom:1px solid rgba(247,250,252,.12);
    border-left:3px solid transparent;
  }
  .nav__link[aria-current="page"]{background:rgba(255,106,43,.14);border-bottom-color:rgba(247,250,252,.12);border-left-color:var(--sun);}
  .nav__index{font-size:11px;}
}
@media (max-width:900px){
  .asym{grid-template-columns:1fr;}
  .col-4,.col-5,.col-7,.col-8{grid-column:span 12;}
}
@media (max-width:860px){
  .footer-top{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand__status{font-size:10.5px;}
  .btn{padding:11px 18px;font-size:14px;}
}

/* ---------- 15. 动效偏好 ---------- */
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .js [data-reveal]{opacity:1;transform:none;}
  .cut-card:hover,.btn:hover,.to-top:hover{transform:none;}
}