/* ============================================================
   /assets/site.css — 365体育手机 全站共享样式
   结构：变量 / reset / 排版 / 轨道页头 / 档案页脚 / 通用组件 / 响应式
   ============================================================ */

:root{
  --ink-abyss:#060B1C;
  --navy-900:#0A1533;
  --navy-800:#10224A;
  --navy-700:#17305F;
  --line-blue:#2A4272;
  --neon-lime:#B9FF3C;
  --lime-soft:#D7FF8F;
  --warm-orange:#FF7A2F;
  --paper:#F4F6EF;
  --cyan-data:#4FD8E8;
  --text-hi:#EAF1FF;
  --text-mid:#A9B7D6;

  --rail-w:88px;
  --rail-w-open:236px;
  --bar-h:60px;

  --font-head:'Archivo','HarmonyOS Sans SC','PingFang SC','Noto Sans SC',sans-serif;
  --font-body:'Inter','HarmonyOS Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono','Roboto Mono',ui-monospace,SFMono-Regular,monospace;

  --radius-s:8px;
  --radius-m:12px;
  --radius-l:18px;

  --shadow-card:0 20px 44px -34px rgba(0,0,0,.9);
}

/* ---------------- reset ---------------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{ 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%; }

/* ---------------- 排版 ---------------- */
body{
  min-height:100vh;
  padding-left:var(--rail-w);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--text-hi);
  background-color:var(--ink-abyss);
  background-image:
    radial-gradient(1100px 640px at 6% -14%, rgba(23,48,95,.85), transparent 62%),
    radial-gradient(760px 520px at 106% 6%, rgba(255,122,47,.13), transparent 60%),
    linear-gradient(180deg,#060B1C 0%, #0A1533 44%, #060B1C 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{ font-family:var(--font-head); font-weight:800; line-height:1.25; color:var(--text-hi); }
h1{ font-size:40px; }
h2{ font-size:28px; }
h3{ font-size:20px; }
p{ line-height:1.78; }
small{ font-size:14px; color:var(--text-mid); }
code,kbd,samp,.num{ font-family:var(--font-mono); font-variant-numeric:tabular-nums; }

#main-content{ display:block; scroll-margin-top:24px; }

:focus-visible{
  outline:2px solid var(--neon-lime);
  outline-offset:2px;
  border-radius:6px;
}

/* ---------------- 跳过链接 ---------------- */
.skip-link{
  position:fixed;
  top:12px; left:12px;
  z-index:200;
  padding:10px 18px;
  border-radius:var(--radius-s);
  background:var(--neon-lime);
  color:#06121F;
  font-weight:700;
  font-size:14px;
  text-decoration:none;
  transform:translateY(-220%);
  transition:transform .2s ease;
}
.skip-link:focus{ transform:translateY(0); }

/* ============================================================
   轨道页头
   ============================================================ */
.site-header{
  position:fixed;
  top:0; left:0; bottom:0;
  z-index:90;
  width:var(--rail-w);
  display:flex;
  flex-direction:column;
  align-items:stretch;
  padding:18px 0 20px;
  background:linear-gradient(180deg, rgba(10,21,51,.98) 0%, rgba(6,11,28,.99) 100%);
  border-right:1px solid var(--line-blue);
  transition:width .3s cubic-bezier(.4,0,.2,1), box-shadow .3s ease;
}
.site-header::after{
  content:"";
  position:absolute;
  top:0; right:0;
  width:1px; height:96px;
  background:linear-gradient(180deg, var(--neon-lime), rgba(185,255,60,0));
  opacity:.75;
}
.site-header:hover,
.site-header:focus-within{
  width:var(--rail-w-open);
  box-shadow:28px 0 64px -36px rgba(0,0,0,.95);
}

/* 品牌 */
.brand{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:14px;
  height:56px;
  padding-left:16px;
  text-decoration:none;
  color:var(--text-hi);
}
.brand__mark{
  flex:0 0 56px;
  width:56px; height:56px;
  display:grid;
  place-items:center;
  border-radius:14px;
  border:2px solid rgba(185,255,60,.55);
  background:linear-gradient(155deg, rgba(23,48,95,.95), rgba(6,11,28,.95));
  font-family:var(--font-mono);
  font-size:16px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--neon-lime);
}
.brand__text{
  display:flex;
  flex-direction:column;
  gap:2px;
  min-width:0;
  max-width:0;
  overflow:hidden;
  opacity:0;
  white-space:nowrap;
  transition:max-width .3s ease, opacity .2s ease;
}
.site-header:hover .brand__text,
.site-header:focus-within .brand__text{ max-width:170px; opacity:1; }
.brand__name{
  font-family:var(--font-head);
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
}
.brand__sub{
  font-size:11px;
  letter-spacing:.06em;
  color:var(--text-mid);
}

/* 移动端胶囊按钮 */
.rail-toggle{
  display:none;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 14px 0 12px;
  border-radius:999px;
  border:1px solid var(--line-blue);
  background:rgba(23,48,95,.85);
  color:var(--text-hi);
  font-family:var(--font-body);
  font-size:13px;
  letter-spacing:.08em;
  cursor:pointer;
  transition:border-color .2s ease, color .2s ease;
}
.rail-toggle__bars{ display:grid; gap:4px; width:16px; }
.rail-toggle__bars i{ display:block; height:1.5px; border-radius:2px; background:currentColor; }
.rail-toggle__label{ line-height:1; }
.rail-toggle[aria-expanded="true"]{ border-color:var(--neon-lime); color:var(--neon-lime); }

/* 导航 */
.site-nav{
  flex:1 1 auto;
  min-height:0;
  display:flex;
  flex-direction:column;
  justify-content:center;
  overflow-y:auto;
  padding:12px 0;
}
.site-nav__list{ display:flex; flex-direction:column; gap:4px; }
.site-nav__item{ min-width:0; }

.rail-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid transparent;
  border-radius:var(--radius-m);
  color:var(--text-mid);
  text-decoration:none;
  font-size:13px;
  transition:color .2s ease, background .2s ease, border-color .2s ease;
}
.rail-link:hover{ color:var(--text-hi); background:rgba(23,48,95,.55); }
.rail-link[aria-current="page"]{
  color:var(--neon-lime);
  background:rgba(185,255,60,.08);
  border-color:rgba(185,255,60,.45);
}
.rail-link__icon{
  flex:0 0 24px;
  width:24px; height:24px;
  display:grid;
  place-items:center;
}
.rail-link__icon svg{ width:22px; height:22px; }
.rail-link__short{
  writing-mode:vertical-rl;
  line-height:1;
  font-size:12px;
  letter-spacing:.14em;
  max-width:24px;
  overflow:hidden;
  opacity:1;
  transition:max-width .28s ease, opacity .16s ease;
}
.rail-link__long{
  max-width:0;
  overflow:hidden;
  white-space:nowrap;
  font-size:14px;
  letter-spacing:.02em;
  opacity:0;
  transition:max-width .3s ease, opacity .2s ease;
}
.site-header:hover .rail-link__short,
.site-header:focus-within .rail-link__short{ max-width:0; opacity:0; }
.site-header:hover .rail-link__long,
.site-header:focus-within .rail-link__long{ max-width:170px; opacity:1; }

/* 轨道底部快捷入口 */
.rail-cta{
  flex:0 0 auto;
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:0 12px;
}
.rail-chip{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:36px;
  padding:0 12px;
  border-radius:9px;
  border:1px solid var(--line-blue);
  color:var(--text-mid);
  text-decoration:none;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  overflow:hidden;
  transition:border-color .2s ease, color .2s ease, justify-content .3s ease;
}
.site-header:hover .rail-chip,
.site-header:focus-within .rail-chip{ justify-content:flex-start; }
.rail-chip--lime{ border-color:rgba(185,255,60,.45); color:var(--neon-lime); }
.rail-chip--warm{ border-color:rgba(255,122,47,.45); color:var(--warm-orange); }
.rail-chip:hover{ background:rgba(23,48,95,.7); }
.rail-chip__mark{ flex:0 0 auto; font-size:11px; line-height:1; }
.rail-chip__mark--dot{
  width:8px; height:8px;
  border-radius:50%;
  background:var(--warm-orange);
  box-shadow:0 0 0 3px rgba(255,122,47,.18);
}
.rail-chip__text{
  max-width:0;
  overflow:hidden;
  white-space:nowrap;
  opacity:0;
  transition:max-width .3s ease, opacity .2s ease;
}
.site-header:hover .rail-chip__text,
.site-header:focus-within .rail-chip__text{ max-width:150px; opacity:1; }

/* 抽屉遮罩（桌面隐藏） */
.rail-scrim{ display:none; }

/* ============================================================
   档案页脚
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:96px;
  padding:68px 0 30px;
  background:linear-gradient(180deg, rgba(10,21,51,.9) 0%, var(--ink-abyss) 72%);
  border-top:1px solid var(--line-blue);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px; left:0;
  width:min(340px, 44%);
  height:2px;
  background:linear-gradient(90deg, var(--neon-lime), rgba(185,255,60,0));
}

.footer-top{
  display:grid;
  grid-template-columns:1.5fr 2.6fr;
  gap:44px 56px;
  align-items:start;
}
.footer-brand__lockup{
  display:inline-block;
  font-family:var(--font-head);
  font-size:22px;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--text-hi);
  text-decoration:none;
}
.footer-brand__lockup:hover{ color:var(--neon-lime); }
.footer-brand__sub{
  margin-top:10px;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--text-mid);
}
.footer-brand__closing{
  margin-top:22px;
  font-family:var(--font-head);
  font-size:17px;
  font-weight:800;
  line-height:1.5;
  color:var(--neon-lime);
}

.footer-nav{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:28px;
}
.footer-col__title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--text-mid);
  padding-bottom:12px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line-blue);
}
.footer-col__list{ display:flex; flex-direction:column; gap:10px; }
.footer-col__list a{
  font-size:14px;
  color:var(--text-hi);
  text-decoration:none;
  opacity:.82;
  transition:color .18s ease, opacity .18s ease;
}
.footer-col__list a:hover{ color:var(--neon-lime); opacity:1; }

.footer-receipt{
  position:relative;
  margin-top:48px;
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));
  gap:18px 28px;
  padding:22px 24px 22px 28px;
  background:var(--paper);
  color:#0A1533;
  border-radius:4px;
  box-shadow:0 24px 48px -34px rgba(0,0,0,.95);
}
.footer-receipt::before{
  content:"";
  position:absolute;
  top:0; left:0; bottom:0;
  width:4px;
  border-radius:4px 0 0 4px;
  background:linear-gradient(180deg, var(--neon-lime), var(--warm-orange));
}
.footer-receipt__cell{ display:flex; flex-direction:column; gap:4px; min-width:0; }
.footer-receipt__key{
  font-family:var(--font-body);
  font-size:11px;
  letter-spacing:.16em;
  color:#5C6A8A;
}
.footer-receipt__val{
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:500;
  line-height:1.5;
  color:#0A1533;
  word-break:break-word;
}

.footer-base{
  margin-top:28px;
  padding-top:18px;
  border-top:1px solid var(--line-blue);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  align-items:center;
  justify-content:space-between;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--text-mid);
}
.footer-base__legal{ color:var(--text-mid); }

/* ============================================================
   通用组件
   ============================================================ */
.wrap{
  width:100%;
  max-width:1180px;
  margin-inline:auto;
  padding-inline:clamp(18px, 3.2vw, 44px);
}

.prose{
  max-width:66ch;
  font-size:16px;
  line-height:1.78;
  color:var(--text-hi);
}
.prose p + p{ margin-top:1em; }
.prose h2{ font-size:28px; margin:1.6em 0 .6em; }
.prose h3{ font-size:20px; margin:1.4em 0 .5em; }
.prose ul,.prose ol{ margin:.9em 0; padding-left:1.3em; list-style:disc; }
.prose ol{ list-style:decimal; }
.prose li + li{ margin-top:.4em; }
.prose a{ color:var(--neon-lime); text-decoration:underline; text-underline-offset:3px; }

.crumbs{ padding-top:24px; }
.crumbs__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-mid);
}
.crumbs__list li{ display:flex; align-items:center; }
.crumbs__list li + li::before{
  content:"/";
  margin-right:10px;
  color:var(--line-blue);
}
.crumbs__list a{ color:var(--text-mid); text-decoration:none; }
.crumbs__list a:hover{ color:var(--neon-lime); }

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:46px;
  padding:0 22px;
  border-radius:999px;
  border:1px solid var(--line-blue);
  background:transparent;
  color:var(--text-hi);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn--lime{
  background:var(--neon-lime);
  border-color:var(--neon-lime);
  color:#06121F;
}
.btn--lime:hover{ background:var(--lime-soft); border-color:var(--lime-soft); }
.btn--ghost:hover{ border-color:var(--neon-lime); color:var(--neon-lime); }

.card{
  position:relative;
  padding:22px;
  border:1px solid var(--line-blue);
  border-radius:var(--radius-m);
  background:linear-gradient(180deg, rgba(16,34,74,.92), rgba(10,21,51,.94));
  box-shadow:var(--shadow-card);
}
.card__tag{
  position:absolute;
  top:12px; right:12px;
  padding:3px 10px;
  border-radius:999px;
  border:1px solid rgba(185,255,60,.4);
  background:rgba(185,255,60,.1);
  color:var(--neon-lime);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  line-height:1.5;
}

.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  border:1px solid var(--line-blue);
  background:rgba(23,48,95,.5);
  color:var(--text-mid);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  cursor:pointer;
  transition:color .2s ease, border-color .2s ease, background .2s ease;
}
.chip:hover{ color:var(--lime-soft); border-color:rgba(215,255,143,.5); }
.chip[aria-pressed="true"],
.chip.is-active{
  color:var(--neon-lime);
  border-color:rgba(185,255,60,.6);
  background:rgba(185,255,60,.12);
}

.grid{ display:grid; gap:clamp(18px, 2.4vw, 28px); }
.grid--7-5{ grid-template-columns:7fr 5fr; }
.grid--8-4{ grid-template-columns:8fr 4fr; }

.section-head{
  display:flex;
  align-items:baseline;
  gap:14px;
  flex-wrap:wrap;
  padding-bottom:14px;
  margin-bottom:28px;
  border-bottom:1px solid var(--line-blue);
}
.section-head__index{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.12em;
  color:var(--warm-orange);
}
.section-head__title{
  font-family:var(--font-head);
  font-size:28px;
  font-weight:800;
  letter-spacing:.01em;
}

/* 图片容器基础规则（页面阶段放置 <img>） */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  border:1px solid var(--line-blue);
  border-radius:var(--radius-m);
  background:linear-gradient(160deg, var(--navy-800), var(--ink-abyss) 74%);
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(79,216,232,.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,216,232,.09) 1px, transparent 1px);
  background-size:28px 28px;
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame--16x9{ aspect-ratio:16 / 9; }
.media-frame--4x3{ aspect-ratio:4 / 3; }
.media-frame--1x1{ aspect-ratio:1 / 1; }

.metric{ display:flex; flex-direction:column; gap:2px; }
.metric__value{
  font-family:var(--font-mono);
  font-size:36px;
  font-weight:700;
  line-height:1.1;
  color:var(--neon-lime);
}
.metric__label{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--text-mid);
}

/* 滚动显现 */
.has-reveal [data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .55s ease, transform .55s cubic-bezier(.4,0,.2,1);
  transition-delay:var(--reveal-delay, 0ms);
  will-change:opacity, transform;
}
.has-reveal [data-reveal].is-in{ opacity:1; transform:none; }

/* 主题筛选 */
[data-filter-item]{
  transition:opacity .2s ease, transform .2s ease;
}
[data-filter-item].is-filtered-out{
  opacity:0;
  transform:translateY(6px);
  pointer-events:none;
}
[data-filter-item][hidden]{ display:none; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1024px){
  .footer-top{ grid-template-columns:1fr; gap:36px; }
}

@media (max-width:960px){
  .grid--7-5,
  .grid--8-4{ grid-template-columns:1fr; }
}

@media (max-width:900px){
  body{
    padding-left:0;
    padding-top:var(--bar-h);
  }
  #main-content{ scroll-margin-top:calc(var(--bar-h) + 12px); }

  .site-header{
    top:0; right:0; bottom:auto; left:0;
    width:auto;
    height:var(--bar-h);
    flex-direction:row;
    align-items:center;
    justify-content:flex-start;
    gap:12px;
    padding:0 14px;
    border-right:0;
    border-bottom:1px solid var(--line-blue);
    background:rgba(6,11,28,.97);
    box-shadow:0 12px 28px -22px rgba(0,0,0,.95);
    transition:none;
  }
  .site-header::after{ display:none; }
  .site-header:hover,
  .site-header:focus-within{
    width:auto;
    box-shadow:0 12px 28px -22px rgba(0,0,0,.95);
  }

  .brand{ height:auto; padding-left:0; gap:10px; flex:0 0 auto; }
  .brand__mark{
    flex:0 0 36px;
    width:36px; height:36px;
    border-radius:10px;
    font-size:13px;
  }
  .brand__text{ display:none; }

  .rail-toggle{ display:inline-flex; order:-1; }

  .rail-cta{ display:none; }

  .site-nav{
    position:fixed;
    top:0; left:0; bottom:0;
    width:min(86vw, 330px);
    display:flex;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:4px;
    padding:74px 16px 30px;
    overflow-y:auto;
    background:linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 58%, var(--ink-abyss) 100%);
    border-right:1px solid var(--line-blue);
    transform:translateX(-102%);
    transition:transform .28s cubic-bezier(.4,0,.2,1);
    z-index:95;
  }
  .site-nav[data-open="true"]{ transform:translateX(0); }

  .site-nav__list{ gap:4px; }
  .rail-link{
    height:52px;
    padding:0 14px;
    gap:12px;
    font-size:15px;
  }
  .rail-link__short{ display:none; }
  .rail-link__long{
    max-width:220px;
    opacity:1;
    font-size:15px;
  }

  .rail-scrim{
    display:block;
    position:fixed;
    inset:0;
    background:rgba(3,6,16,.72);
    opacity:0;
    pointer-events:none;
    transition:opacity .24s ease;
    z-index:92;
  }
  .rail-scrim[data-open="true"]{
    opacity:1;
    pointer-events:auto;
  }

  body.nav-open{ overflow:hidden; }

  .site-footer{ margin-top:64px; padding-top:52px; }
  .footer-nav{ grid-template-columns:repeat(2, minmax(0,1fr)); gap:26px; }
}

@media (max-width:520px){
  h1{ font-size:30px; }
  h2{ font-size:24px; }
  .section-head__title{ font-size:23px; }
  .footer-nav{ grid-template-columns:1fr; }
  .footer-base{ flex-direction:column; align-items:flex-start; }
  .metric__value{ font-size:30px; }
}

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