/* ============================================================
   万象城体育 — 共享样式表 /assets/site.css
   夜墨绿基底 + 荧光青数据高亮 + 暖橙关键指标
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ink:#0B2B23;
  --ink-deep:#071A15;
  --pine:#143A2E;
  --paper:#F2EDE3;
  --paper-white:#FBFAF6;
  --cyan:#3BE0C8;
  --cyan-2:#17A697;
  --orange:#FF7A3D;
  --amber:#FFB347;
  --graphite:#101815;
  --mist:#9FB0A9;
  --line:#2C4A41;
  --line-paper:rgba(16,24,21,.14);

  --header-h:62px;
  --rail-w:84px;
  --shell-max:1280px;
  --gutter:clamp(18px,4vw,56px);

  --font-sans:'Noto Sans SC','Source Han Sans SC',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono','Roboto Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --fs-1:12px; --fs-2:14px; --fs-3:16px; --fs-4:20px;
  --fs-5:28px; --fs-6:40px; --fs-7:64px; --fs-8:96px;

  --dur:.28s;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-1:0 18px 40px -34px rgba(0,0,0,.85);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd,details,summary{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
a{color:inherit;text-decoration:none;}
hr{border:0;}

/* ---------- 3. 基础排版 ---------- */
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:var(--fs-3);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  padding-top:var(--header-h);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-weight:900;line-height:1.1;letter-spacing:-.015em;}
h1{font-size:clamp(40px,7vw,96px);}
h2{font-size:clamp(28px,4.4vw,56px);}
h3{font-size:clamp(20px,2.2vw,28px);}
h4{font-size:var(--fs-4);}
p{max-width:70ch;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.band-paper :focus-visible,.band-paper-white :focus-visible,.site-footer :focus-visible{outline-color:var(--cyan-2);}
#main-content{scroll-margin-top:calc(var(--header-h) + 18px);}

.mono{font-family:var(--font-mono);font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:0;}
.eyebrow{display:inline-block;font-size:var(--fs-1);letter-spacing:.16em;color:var(--mist);font-weight:500;}
.band-paper .eyebrow,.band-paper-white .eyebrow{color:rgba(16,24,21,.55);}
.lede{font-size:clamp(16px,1.4vw,19px);line-height:1.8;color:var(--mist);max-width:64ch;}
.band-paper .lede,.band-paper-white .lede{color:rgba(16,24,21,.74);}
.caption{font-size:var(--fs-1);letter-spacing:.06em;color:var(--mist);margin-top:10px;}
.band-paper .caption,.band-paper-white .caption{color:rgba(16,24,21,.6);}
.note-vertical{writing-mode:vertical-rl;letter-spacing:.24em;font-size:var(--fs-1);color:var(--mist);}
.note-tilt{display:inline-block;transform:rotate(-3deg);font-size:var(--fs-2);letter-spacing:.08em;color:var(--cyan);}

/* ---------- 4. 色区 / 容器 / 网格 ---------- */
.band{position:relative;width:100%;}
.band-dark{background:var(--ink);color:var(--paper);}
.band-pine{background:var(--pine);color:var(--paper);}
.band-paper{background:var(--paper);color:var(--graphite);}
.band-paper-white{background:var(--paper-white);color:var(--graphite);}

.shell{width:100%;max-width:var(--shell-max);margin-inline:auto;padding-inline:var(--gutter);}

.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(16px,2vw,28px);}
.col-4{grid-column:span 4;}
.col-5{grid-column:span 5;}
.col-6{grid-column:span 6;}
.col-7{grid-column:span 7;}
.col-8{grid-column:span 8;}
.col-12{grid-column:span 12;}

.split-7-5,.split-5-7,.split-8-4{display:grid;gap:clamp(24px,4vw,64px);align-items:center;}
.split-7-5{grid-template-columns:7fr 5fr;}
.split-5-7{grid-template-columns:5fr 7fr;}
.split-8-4{grid-template-columns:8fr 4fr;}

.section{padding-block:clamp(52px,8vw,112px);}
.section-head{
  display:grid;grid-template-columns:auto 1fr;gap:clamp(14px,2.4vw,32px);
  align-items:baseline;padding-top:18px;margin-bottom:clamp(26px,4vw,52px);
  border-top:1px solid var(--line);
}
.band-paper .section-head,.band-paper-white .section-head{border-top-color:var(--line-paper);}
.section-num{
  font-family:var(--font-mono);font-weight:700;font-size:clamp(28px,4vw,56px);
  line-height:1;letter-spacing:-.04em;color:var(--cyan);font-variant-numeric:tabular-nums;
}
.band-paper .section-num,.band-paper-white .section-num{color:var(--orange);}
.section-kicker{display:block;font-size:var(--fs-1);letter-spacing:.16em;color:var(--mist);margin-bottom:10px;}
.band-paper .section-kicker,.band-paper-white .section-kicker{color:rgba(16,24,21,.55);}
.section-title{font-size:clamp(28px,4.4vw,56px);font-weight:900;letter-spacing:-.02em;line-height:1.06;}
.rule{height:1px;width:100%;background:var(--line);border:0;margin:0;}
.band-paper .rule,.band-paper-white .rule{background:var(--line-paper);}
.actions-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

/* ---------- 5. 按钮 / 标记 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.62em 1.1em;font-size:var(--fs-2);font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{background:var(--orange);color:#22120A;border-color:var(--orange);}
.btn-primary:hover{background:#FF9560;border-color:#FF9560;}
.btn-ghost{background:transparent;color:var(--paper);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);}
.band-paper .btn-ghost,.band-paper-white .btn-ghost{color:var(--graphite);border-color:var(--line-paper);}
.band-paper .btn-ghost:hover,.band-paper-white .btn-ghost:hover{border-color:var(--cyan-2);color:var(--cyan-2);}

.tag{
  display:inline-flex;align-items:center;gap:.4em;padding:3px 9px;
  font-size:var(--fs-1);letter-spacing:.1em;color:var(--mist);border:1px solid var(--line);
}
.tag--live{color:var(--orange);border-color:rgba(255,122,61,.55);}
.band-paper .tag,.band-paper-white .tag{color:rgba(16,24,21,.62);border-color:var(--line-paper);}

/* ---------- 6. 卡片 ---------- */
.card{
  display:flex;flex-direction:column;gap:12px;padding:clamp(16px,2vw,24px);
  background:var(--pine);border:1px solid var(--line);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--cyan-2);}
.card-label{font-size:var(--fs-1);letter-spacing:.12em;color:var(--mist);}
.card-value{font-family:var(--font-mono);font-weight:700;font-size:clamp(28px,3.4vw,40px);line-height:1;color:var(--cyan);font-variant-numeric:tabular-nums;}
.card-value--accent{color:var(--orange);}
.card-note{font-size:var(--fs-2);line-height:1.7;color:var(--mist);}
.card--paper{background:var(--paper-white);border-color:var(--line-paper);color:var(--graphite);}
.card--paper .card-label{color:rgba(16,24,21,.55);}
.card--paper .card-value{color:var(--cyan-2);}
.card--paper .card-value--accent{color:var(--orange);}
.card--paper .card-note{color:rgba(16,24,21,.72);}
.card--accent{border-color:rgba(255,122,61,.5);}

/* ---------- 7. 面包屑 ---------- */
.breadcrumb{padding-block:14px;}
.breadcrumb-list{display:flex;flex-wrap:wrap;gap:.45em;font-size:var(--fs-1);letter-spacing:.08em;color:var(--mist);}
.band-paper .breadcrumb-list,.band-paper-white .breadcrumb-list{color:rgba(16,24,21,.55);}
.breadcrumb-list li{display:flex;align-items:center;gap:.45em;}
.breadcrumb-list li:not(:last-child)::after{content:"/";color:var(--line);}
.breadcrumb-link{color:inherit;border-bottom:1px solid transparent;}
.breadcrumb-link:hover{color:var(--cyan);border-bottom-color:currentColor;}
.breadcrumb-list li[aria-current="page"]{color:var(--paper);}
.band-paper .breadcrumb-list li[aria-current="page"],.band-paper-white .breadcrumb-list li[aria-current="page"]{color:var(--graphite);}

/* ---------- 8. 图片容器（页面阶段放 <img>） ---------- */
.img-frame{position:relative;overflow:hidden;background:var(--pine);border:1px solid var(--line);}
.img-frame > img{width:100%;height:100%;object-fit:cover;}
.img-frame--wide{aspect-ratio:16/9;}
.img-frame--tall{aspect-ratio:3/4;}
.img-frame--square{aspect-ratio:1/1;}
.img-frame--pitch::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 80% at 18% -10%,rgba(59,224,200,.24),transparent 58%),
    radial-gradient(90% 70% at 88% 108%,rgba(255,122,61,.2),transparent 62%),
    repeating-linear-gradient(90deg,rgba(242,237,227,.055) 0 2px,transparent 2px 68px);
}
.img-frame--pitch::after{
  content:"";position:absolute;left:-14%;right:-14%;bottom:-46%;height:78%;
  border:1px solid rgba(242,237,227,.18);border-radius:50%;transform:rotate(-4deg);pointer-events:none;
}

/* ---------- 9. 折叠面板 ---------- */
.fold{border-top:1px solid var(--line);}
.band-paper .fold,.band-paper-white .fold{border-top-color:var(--line-paper);}
.fold > summary{
  display:flex;justify-content:space-between;gap:16px;align-items:baseline;
  padding:16px 0;font-weight:700;cursor:pointer;list-style:none;
}
.fold > summary::-webkit-details-marker{display:none;}
.fold > summary::after{content:"+";font-family:var(--font-mono);color:var(--cyan);}
.fold[open] > summary::after{content:"–";}
.fold-body{padding-bottom:18px;font-size:15px;color:var(--mist);}
.band-paper .fold-body,.band-paper-white .fold-body{color:rgba(16,24,21,.78);}

/* ---------- 10. 显现动效 ---------- */
[data-reveal]{opacity:0;translate:0 24px;transition:opacity .5s var(--ease),translate .5s var(--ease);}
[data-reveal].is-visible{opacity:1;translate:0 0;}

/* ============================================================
   11. 头部
   ============================================================ */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  padding:10px 16px;background:var(--cyan);color:#06231D;
  font-size:var(--fs-2);font-weight:700;
  transform:translateY(-160%);transition:transform var(--dur) var(--ease);
}
.skip-link:focus{transform:translateY(0);}

.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:var(--ink);border-bottom:1px solid var(--line);
}
.read-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(44,74,65,.6);}
.read-progress-bar{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan-2),var(--cyan) 55%,var(--orange));}

.header-bar{
  display:flex;align-items:center;gap:clamp(10px,2vw,26px);
  height:var(--header-h);max-width:var(--shell-max);margin-inline:auto;
  padding-inline:var(--gutter);
}

.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:13px;height:22px;flex:0 0 auto;transform:skewX(-12deg);
  background:linear-gradient(180deg,var(--cyan),var(--cyan-2));
}
.brand-text{display:flex;flex-direction:column;}
.brand-name{font-size:17px;font-weight:900;letter-spacing:.06em;line-height:1.15;color:var(--paper);}
.brand-tag{font-size:10px;letter-spacing:.16em;color:var(--mist);line-height:1.3;}

.status-strip{
  display:flex;align-items:center;gap:clamp(10px,1.6vw,22px);
  height:32px;padding-inline:clamp(8px,1.4vw,18px);margin-inline-start:auto;
  border-left:1px solid var(--line);border-right:1px solid var(--line);
}
.status-item{display:flex;align-items:baseline;gap:6px;white-space:nowrap;}
.status-item--live{align-items:center;}
.status-label{font-size:10px;letter-spacing:.12em;color:var(--mist);}
.status-value{font-size:13px;font-weight:600;color:var(--paper);}
.status-value--live{color:var(--cyan);}
.status-dot{width:6px;height:6px;background:var(--orange);border-radius:50%;animation:pulse 1.9s var(--ease) infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.8);}}

.header-actions{display:flex;align-items:center;gap:clamp(8px,1.2vw,16px);flex:0 0 auto;}
.util-link{
  font-size:var(--fs-1);letter-spacing:.08em;color:var(--mist);
  padding:4px 2px;border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.util-link:hover{color:var(--cyan);border-bottom-color:var(--cyan);}
.util-mail{font-size:11px;color:var(--mist);letter-spacing:0;}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:8px 11px;border:1px solid var(--line);color:var(--paper);
  font-size:var(--fs-1);letter-spacing:.1em;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
.nav-toggle-bars{
  width:16px;height:12px;
  background:
    linear-gradient(var(--cyan),var(--cyan)) 0 0/100% 1.5px no-repeat,
    linear-gradient(var(--paper),var(--paper)) 0 50%/100% 1.5px no-repeat,
    linear-gradient(var(--paper),var(--paper)) 0 100%/100% 1.5px no-repeat;
}
.nav-toggle-text{white-space:nowrap;}

/* 侧边纵向轨道 */
.rail-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);z-index:70;
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  padding:calc(var(--header-h) + 14px) 0 24px;
  background:linear-gradient(180deg,var(--ink-deep),var(--ink) 62%,var(--ink-deep));
  border-right:1px solid var(--line);
  transform:none;visibility:visible;
}
.rail-list{display:flex;flex-direction:column;align-items:center;gap:2px;width:100%;}
.rail-link{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:7px;
  width:100%;padding:12px 0;color:var(--mist);
  transition:color var(--dur) var(--ease);
}
.rail-link::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:2px;
  background:transparent;transition:background var(--dur) var(--ease);
}
.rail-link:hover{color:var(--paper);}
.rail-link:hover::before{background:var(--cyan-2);}
.rail-link[aria-current="page"]{color:var(--cyan);}
.rail-link[aria-current="page"]::before{background:var(--cyan);}
.rail-link.is-section-active{color:var(--cyan);}
.rail-index{font-size:10px;letter-spacing:.14em;opacity:.7;}
.rail-label{writing-mode:vertical-rl;letter-spacing:.22em;font-size:14px;font-weight:700;}
.rail-foot{position:absolute;left:0;right:0;bottom:26px;display:flex;justify-content:center;}
.rail-foot-text{writing-mode:vertical-rl;font-size:10px;letter-spacing:.26em;color:var(--mist);}

.nav-scrim{
  position:fixed;inset:0;z-index:65;background:rgba(5,18,14,.7);
  opacity:0;pointer-events:none;transition:opacity var(--dur) var(--ease);
}
.rail-nav[data-open] ~ .nav-scrim{opacity:1;pointer-events:auto;}

/* ============================================================
   12. 页脚
   ============================================================ */
.site-footer{background:var(--paper);color:var(--graphite);border-top:1px solid var(--line-paper);}
.footer-inner{max-width:var(--shell-max);margin-inline:auto;padding:clamp(40px,6vw,80px) var(--gutter) 26px;}
.footer-top{
  display:grid;grid-template-columns:minmax(200px,1fr) minmax(0,2.4fr);
  gap:clamp(28px,4vw,64px);padding-bottom:clamp(28px,4vw,48px);
  border-bottom:1px solid var(--line-paper);
}
.footer-brand-name{display:block;font-size:clamp(20px,2.4vw,28px);font-weight:900;letter-spacing:.04em;}
.footer-note{margin-top:12px;font-size:var(--fs-2);line-height:1.75;color:rgba(16,24,21,.68);max-width:34ch;}
.footer-stamp{margin-top:16px;font-size:11px;letter-spacing:.16em;color:var(--cyan-2);}
.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px);}
.footer-col-title{font-size:var(--fs-1);font-weight:700;letter-spacing:.18em;color:rgba(16,24,21,.5);margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-link{
  font-size:var(--fs-2);color:var(--graphite);
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer-link:hover{color:var(--cyan-2);border-bottom-color:currentColor;}
.footer-list--contact{gap:14px;}
.footer-contact{display:flex;flex-direction:column;gap:2px;}
.footer-contact-label{font-size:10px;letter-spacing:.12em;color:rgba(16,24,21,.5);}
.footer-contact-value{font-size:var(--fs-2);line-height:1.5;word-break:break-word;}
.footer-legal{
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  padding-top:22px;font-size:var(--fs-1);color:rgba(16,24,21,.6);letter-spacing:.04em;
}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-legal-links a{border-bottom:1px solid transparent;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.footer-legal-links a:hover{color:var(--cyan-2);border-bottom-color:currentColor;}

/* ============================================================
   13. 响应式
   ============================================================ */
@media (min-width:1024px){
  body{padding-left:var(--rail-w);}
  .site-header{left:var(--rail-w);}
  .nav-scrim{display:none;}
}

@media (max-width:1279px){
  .util-mail{display:none;}
}
@media (max-width:1100px){
  .util-link{display:none;}
}
@media (max-width:1023px){
  .site-header{left:0;}
  .nav-toggle{display:inline-flex;}
  .rail-nav{
    width:min(80vw,320px);
    align-items:stretch;justify-content:flex-start;gap:0;
    padding:calc(var(--header-h) + 18px) 0 24px;
    background:var(--ink-deep);
    border-right:1px solid var(--line);
    transform:translateX(-104%);visibility:hidden;
    transition:transform var(--dur) var(--ease),visibility var(--dur) var(--ease);
  }
  .rail-nav[data-open]{
    transform:translateX(0);visibility:visible;
    box-shadow:26px 0 70px -34px rgba(0,0,0,.95);
  }
  .rail-list{align-items:stretch;gap:0;}
  .rail-link{flex-direction:row;align-items:center;justify-content:flex-start;gap:14px;padding:15px 22px;}
  .rail-link::before{top:9px;bottom:9px;}
  .rail-index{font-size:11px;opacity:.8;}
  .rail-label{writing-mode:horizontal-tb;letter-spacing:.14em;font-size:16px;}
  .rail-foot{position:static;justify-content:flex-start;margin-top:auto;padding:18px 22px 0;border-top:1px solid var(--line);}
  .rail-foot-text{writing-mode:horizontal-tb;letter-spacing:.14em;font-size:11px;}
}
@media (max-width:899px){
  :root{--header-h:58px;}
  .status-item{display:none;}
  .status-item--live{display:flex;}
  .status-strip{border-right:0;padding-inline:10px;height:28px;}
  .grid-12 > [class^="col-"]{grid-column:span 12;}
  .split-7-5,.split-5-7,.split-8-4{grid-template-columns:1fr;gap:clamp(22px,5vw,36px);}
  .section-head{grid-template-columns:1fr;gap:10px;padding-top:14px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:599px){
  .status-strip{display:none;}
  .btn{padding:.6em .9em;font-size:13px;}
  .header-actions{gap:10px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-legal{flex-direction:column;align-items:flex-start;}
  .brand-tag{display:none;}
}

/* ---------- 14. 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;translate:0 0;}
  .card:hover{transform:none;}
}