/* ===========================================================
   爱游戏赛事 · 共享样式 /assets/site.css
   框架式导航 + 数据竞技场配色 + 非对称编辑部版式基础
   =========================================================== */

/* ---------- 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,figcaption,blockquote,dl,dt,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
[hidden]{display:none !important}

/* ---------- 2. 变量 ---------- */
:root{
  --ink:#0A0C12;
  --paper:#F5F6F8;
  --silver:#C9CED8;
  --navy:#133B6B;
  --blue:#1F5FA8;
  --orange:#FF6B1A;
  --orange-soft:#FF9A4D;
  --lime:#C6FF2E;
  --red:#D7263D;
  --mist:#E7EAF0;
  --night:#111827;

  --font-display:'Noto Sans SC','Source Han Sans SC','PingFang SC',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono','IBM Plex Mono','Roboto Mono',monospace;

  --shell-max:1280px;
  --shell-wide:1460px;
  --gutter:clamp(18px,4vw,40px);
  --rail:46px;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;

  --line:rgba(10,12,18,.14);
  --line-strong:rgba(10,12,18,.34);
  --line-dark:rgba(201,206,216,.18);
  --shadow-card:0 22px 44px -30px rgba(10,12,18,.6);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 3. 中文排版与页面底色 ---------- */
body{
  font-family:var(--font-body);
  font-size:1rem;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--ink);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(135deg,rgba(19,59,107,.05) 0 1px,transparent 1px 16px);
  min-height:100vh;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.2;letter-spacing:-.012em}
h1{font-size:clamp(2.6rem,5vw,4.8rem);line-height:1.05}
h2{font-size:clamp(1.6rem,2.6vw,2.4rem)}
h3{font-size:clamp(1.15rem,1.6vw,1.5rem)}
p{max-width:70ch}
code,kbd,samp,.mono{font-family:var(--font-mono);font-size:.9em}
strong{font-weight:700}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
.site-header :focus-visible,
.site-footer :focus-visible,
.skip-link:focus-visible{outline-color:var(--lime)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

/* ---------- 4. 跳转链接 ---------- */
.skip-link{
  position:absolute;
  left:14px;
  top:-70px;
  z-index:300;
  padding:10px 20px;
  background:var(--orange);
  color:var(--ink);
  font-weight:700;
  border-radius:0 0 var(--radius-sm) var(--radius-sm);
  transition:top .22s var(--ease);
}
.skip-link:focus{top:0}

/* ---------- 5. 头部框架 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:var(--ink);
  color:var(--paper);
  border-bottom:1px solid var(--line-dark);
}
.site-header::before{
  content:"";
  display:block;
  height:4px;
  background:linear-gradient(90deg,var(--orange) 0 24%,var(--navy) 24% 66%,var(--night) 66% 100%);
}

.edge-rail{
  display:none;
  position:fixed;
  left:0;
  top:0;
  bottom:0;
  width:var(--rail);
  z-index:95;
  background:var(--ink);
  border-right:1px solid var(--line-dark);
  flex-direction:column;
  align-items:center;
  justify-content:space-between;
  padding:22px 0;
  pointer-events:none;
}
.edge-rail-text{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.34em;
  color:rgba(245,246,248,.5);
}
.edge-rail-dot{
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(198,255,46,.16);
}
@media (min-width:1280px){
  .edge-rail{display:flex}
  body{padding-left:var(--rail)}
}

.header-frame{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(14px,2.4vw,36px);
  width:100%;
  max-width:var(--shell-max);
  margin:0 auto;
  padding:12px var(--gutter);
}

/* 品牌 */
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  flex:0 0 auto;
  width:34px;
  height:34px;
  border-radius:62% 38% 55% 45%/48% 58% 42% 52%;
  background:linear-gradient(135deg,var(--orange),var(--orange-soft));
  box-shadow:inset 0 0 0 3px rgba(10,12,18,.85),0 0 0 1px rgba(255,107,26,.35);
  transition:transform .35s var(--ease);
}
.brand:hover .brand-mark{transform:rotate(-12deg) scale(1.06)}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-name{font-family:var(--font-display);font-weight:800;font-size:1.06rem;letter-spacing:.02em;color:var(--paper)}
.brand-tagline{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;color:rgba(201,206,216,.78);margin-top:3px}

/* 主导航 */
.site-nav{min-width:0}
.nav-list{display:flex;align-items:center;gap:clamp(8px,1.7vw,26px)}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 2px;
  font-size:.95rem;
  font-weight:500;
  color:rgba(245,246,248,.76);
  border-bottom:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{color:#fff;border-bottom-color:var(--silver)}
.nav-link[aria-current="page"]{color:#fff;border-bottom-color:var(--orange)}
.nav-link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-8px;
  width:6px;
  height:6px;
  margin-left:-3px;
  background:var(--lime);
  border-radius:50%;
}

/* 操作区 */
.header-actions{display:flex;align-items:center;gap:10px}
.header-cta{white-space:nowrap}

/* 通用按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border:1px solid transparent;
  border-radius:999px;
  font-family:var(--font-display);
  font-size:.95rem;
  font-weight:700;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--orange);color:var(--ink)}
.btn-primary:hover{background:var(--orange-soft);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--paper);border-color:rgba(245,246,248,.36)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange)}
.btn-sm{padding:9px 18px;font-size:.86rem}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border:1px solid rgba(245,246,248,.32);
  border-radius:var(--radius-sm);
  color:var(--paper);
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--orange)}
.nav-toggle-bars{position:relative;display:block;width:20px;height:2px;background:currentColor;border-radius:2px;transition:background-color .2s var(--ease)}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:20px;
  height:2px;
  background:currentColor;
  border-radius:2px;
  transition:transform .25s var(--ease),top .25s var(--ease);
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.site-header[data-open] .nav-toggle-bars{background:transparent}
.site-header[data-open] .nav-toggle-bars::before{top:0;transform:rotate(45deg)}
.site-header[data-open] .nav-toggle-bars::after{top:0;transform:rotate(-45deg)}

/* 数据栏目状态带 */
.status-strip{
  background:linear-gradient(90deg,var(--navy) 0%,#0d2b4f 58%,var(--night) 100%);
  border-top:1px solid var(--line-dark);
}
.status-inner{
  display:flex;
  align-items:center;
  gap:clamp(14px,3vw,44px);
  max-width:var(--shell-max);
  margin:0 auto;
  padding:7px var(--gutter);
  overflow-x:auto;
  scrollbar-width:none;
}
.status-inner::-webkit-scrollbar{display:none}
.status-key{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.2em;
  color:var(--lime);
  white-space:nowrap;
}
.status-list{display:flex;align-items:center;gap:clamp(14px,2.6vw,34px)}
.status-item{
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  white-space:nowrap;
  font-size:.82rem;
  color:rgba(245,246,248,.82);
}
.status-idx{font-family:var(--font-mono);font-size:.66rem;color:var(--silver)}

/* 滚动进度 */
.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:3px;
  background:linear-gradient(90deg,var(--orange),var(--lime));
  transform:scaleX(0);
  transform-origin:left center;
  will-change:transform;
}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,110px);
  background:var(--ink);
  color:var(--paper);
  border-top:3px solid var(--orange);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-140px;
  width:420px;
  height:420px;
  border-radius:48% 52% 60% 40%/54% 46% 54% 46%;
  background:radial-gradient(circle at 35% 35%,rgba(31,95,168,.55),rgba(19,59,107,0) 70%);
  pointer-events:none;
}
.footer-frame{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:clamp(28px,5vw,72px);
  max-width:var(--shell-max);
  margin:0 auto;
  padding:clamp(38px,6vw,76px) var(--gutter) 22px;
}
.footer-lead{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.brand--footer{padding-bottom:4px}
.footer-desc{font-size:.95rem;line-height:1.8;color:rgba(245,246,248,.72);max-width:46ch}
.footer-contact{width:100%;max-width:520px;margin-top:6px}
.contact-row{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:11px 0;
  border-bottom:1px dashed var(--line-dark);
}
.contact-label{
  flex:0 0 56px;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.16em;
  color:var(--silver);
  padding-top:3px;
}
.contact-value{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:.92rem;
  color:rgba(245,246,248,.9);
  word-break:break-all;
}
.copy-btn{
  padding:3px 12px;
  border:1px solid rgba(255,107,26,.5);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.12em;
  color:var(--orange);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.copy-btn:hover{background:var(--orange);color:var(--ink)}

.footer-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(20px,4vw,40px)}
.footer-group-title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:.7rem;
  font-weight:500;
  letter-spacing:.22em;
  color:var(--lime);
}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-link{
  display:inline-block;
  padding:6px 0;
  font-size:.95rem;
  color:rgba(245,246,248,.74);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-link:hover{color:#fff;border-bottom-color:var(--orange);padding-left:6px}

.footer-meta{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:8px;
  padding-top:18px;
  border-top:1px solid var(--line-dark);
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.08em;
  color:rgba(201,206,216,.68);
}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:clamp(14px,2.4vw,28px);
  bottom:clamp(14px,2.4vw,28px);
  z-index:70;
  padding:11px 20px;
  background:var(--orange);
  color:var(--ink);
  font-family:var(--font-display);
  font-size:.86rem;
  font-weight:700;
  border-radius:999px;
  box-shadow:0 16px 32px -18px rgba(255,107,26,.9);
  transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.to-top:hover{background:var(--orange-soft);transform:translateY(-3px)}

/* ---------- 7. 通用容器与网格 ---------- */
.container{width:100%;max-width:var(--shell-max);margin-inline:auto;padding-inline:var(--gutter)}
.container--wide{max-width:var(--shell-wide)}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2.4vw,32px)}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-6{grid-column:span 6}
.span-8{grid-column:span 8}
.span-9{grid-column:span 9}
.span-12{grid-column:span 12}

/* ---------- 8. 基础组件 ---------- */
.section-label{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.24em;
  color:var(--blue);
  text-transform:uppercase;
}
.section-label::before{content:"";width:22px;height:2px;background:var(--orange)}

.breadcrumb{padding:14px 0}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.08em;color:rgba(10,12,18,.55)}
.breadcrumb-item + .breadcrumb-item::before{content:"/";margin-right:10px;color:var(--silver)}
.breadcrumb-link{border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.breadcrumb-link:hover{color:var(--blue);border-bottom-color:var(--blue)}
.breadcrumb-item[aria-current="page"]{color:var(--ink)}

.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background:linear-gradient(140deg,var(--navy),var(--ink) 65%,var(--night));
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame-caption{
  display:block;
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.06em;
  color:rgba(10,12,18,.55);
}

.data-card{
  padding:clamp(18px,2.4vw,28px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.data-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card)}

.meter{display:block;height:10px;border-radius:999px;background:var(--mist);overflow:hidden}
.meter-fill{
  display:block;
  width:100%;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--blue),var(--lime));
  transition:width 1.1s var(--ease);
}
.js .meter-fill{width:0}

/* 显现 */
.js [data-reveal]{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* 章节目录 */
.chapter-toc{display:flex;flex-direction:column;gap:2px}
.chapter-toc-title{
  margin-bottom:10px;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.22em;
  color:var(--silver);
}
.chapter-link{
  display:block;
  padding:8px 0 8px 12px;
  border-left:2px solid var(--line);
  font-size:.88rem;
  color:rgba(10,12,18,.7);
  transition:color .22s var(--ease),border-color .22s var(--ease),padding-left .22s var(--ease);
}
.chapter-link:hover{color:var(--blue);border-left-color:var(--blue)}
.chapter-link.is-active{color:var(--ink);font-weight:600;border-left-color:var(--orange);padding-left:16px}

/* ---------- 9. 响应式 ---------- */
@media (max-width:1180px){
  .footer-frame{grid-template-columns:minmax(0,1fr);gap:clamp(24px,5vw,44px)}
}

@media (max-width:960px){
  .header-frame{grid-template-columns:minmax(0,1fr) auto;padding-top:10px;padding-bottom:10px}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    z-index:88;
    background:var(--ink);
    border-top:1px solid var(--line-dark);
    border-bottom:3px solid var(--orange);
    padding:8px var(--gutter) 20px;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-10px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
  }
  .site-nav[data-open]{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    display:block;
    padding:14px 0;
    font-size:1.02rem;
    border-bottom:1px dashed var(--line-dark);
    border-left:0;
  }
  .nav-link[aria-current="page"]{border-bottom-color:var(--line-dark);color:var(--orange)}
  .nav-link[aria-current="page"]::after{left:auto;right:4px;top:50%;bottom:auto;margin:-3px 0 0}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .span-3,.span-4,.span-6,.span-8,.span-9,.span-12{grid-column:span 6}
}

@media (max-width:720px){
  .status-strip{display:none}
  .footer-groups{grid-template-columns:minmax(0,1fr)}
  .footer-meta{flex-direction:column;align-items:flex-start}
  .grid-12{grid-template-columns:minmax(0,1fr)}
  .span-3,.span-4,.span-6,.span-8,.span-9,.span-12{grid-column:span 1}
  .brand-tagline{letter-spacing:.1em}
}

@media (max-width:480px){
  .header-cta{display:none}
  .brand-name{font-size:1rem}
  .btn{padding:11px 20px}
}

/* ---------- 10. 减动效 ---------- */
@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}
  .js .meter-fill{width:100%}
  .brand:hover .brand-mark{transform:none}
  .data-card:hover,.to-top:hover,.btn-primary:hover{transform:none}
}