/* =========================================================
   168中体网指南 · 共享样式 /assets/site.css
   轨道式布局 · 切角面板 · 矿物纸面 · 记分牌节奏
   ========================================================= */

:root{
  --ice-deep:#0E3A55;
  --ice:#1C6C99;
  --ice-light:#D3E6F0;
  --field:#3E6B3A;
  --moss:#7FA36B;
  --clay:#C1553B;
  --signal:#E8552D;
  --paper:#F5F2E9;
  --rock:#6B6559;
  --ink:#24282B;

  --rail:88px;
  --cut:16px;
  --wrap:1300px;
  --gap:clamp(16px,2.2vw,30px);
  --ease:cubic-bezier(.2,.7,.3,1);

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-cond:"Barlow Condensed","Oswald","Arial Narrow","Noto Sans SC",system-ui,sans-serif;

  --cut-corner:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
  --cut-top:polygon(0 var(--cut),var(--cut) 0,100% 0,100% 100%,0 100%);
}

/* ---------- 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(107,101,89,.16) 1px,transparent 1px);
  background-size:4px 4px;opacity:.5;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse}
:focus-visible{outline:3px solid var(--signal);outline-offset:3px;border-radius:2px}

/* ---------- 排版 ---------- */
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.14;color:var(--ink)}
h1{font-size:clamp(2.6rem,6vw,5.4rem);font-weight:900}
h2{font-size:clamp(1.7rem,3.4vw,2.9rem)}
h3{font-size:clamp(1.15rem,1.8vw,1.5rem);line-height:1.3}
p{max-width:38em}
.lede{font-size:clamp(1rem,1.35vw,1.18rem);line-height:1.7;color:var(--rock);max-width:34em}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-cond);font-weight:600;font-size:13px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--field);
}
.kicker::before{content:"";width:30px;height:3px;background:var(--signal);transform:skewX(-22deg)}
.section-head{display:grid;gap:14px;margin-bottom:clamp(20px,3vw,34px)}
.num{
  font-variant-numeric:tabular-nums;font-weight:800;font-size:1.35em;
  line-height:1;letter-spacing:-.01em;color:var(--ice-deep);
}
.tag{
  display:inline-block;font-family:var(--font-cond);font-size:12px;font-weight:600;
  letter-spacing:.14em;padding:4px 10px;background:var(--ice-light);color:var(--ice-deep);
}
.sr-only{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip-link{
  position:fixed;top:8px;left:8px;z-index:300;
  padding:12px 20px;background:var(--signal);color:#fff;font-weight:700;
  font-size:14px;letter-spacing:.04em;transform:translateY(-160%);
  transition:transform .24s var(--ease);
}
.skip-link:focus-visible{transform:translateY(0)}

/* ---------- 容器与网格 ---------- */
.wrap{width:min(100% - clamp(32px,6vw,72px),var(--wrap));margin-inline:auto}
.site-main{position:relative;z-index:1}
.grid{display:grid;gap:var(--gap)}
.grid--12{grid-template-columns:repeat(12,1fr)}
.grid--12 > *{grid-column:span 12;min-width:0}
.span-2{grid-column:span 2}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-9{grid-column:span 9}
.span-10{grid-column:span 10}
.span-11{grid-column:span 11}

/* ---------- 底色带 ---------- */
.band{padding:clamp(34px,5.5vw,76px) 0;position:relative}
.band--ice-light{background:var(--ice-light)}
.band--moss{background:linear-gradient(180deg,rgba(127,163,107,.26),rgba(127,163,107,.08))}
.band--deep{background:var(--ice-deep);color:rgba(245,242,233,.86)}
.band--deep h1,.band--deep h2,.band--deep h3,.band--deep h4{color:#fff}
.band--deep .lede,.band--deep .kicker{color:var(--ice-light)}
.rule-track{
  height:4px;margin-bottom:clamp(18px,2.4vw,28px);
  background:repeating-linear-gradient(105deg,var(--ice) 0 16px,var(--field) 16px 20px,transparent 20px 38px);
}

/* ---------- 面板 ---------- */
.panel{
  background:#fff;padding:clamp(18px,2.4vw,30px);
  border-top:3px solid var(--ice);
  clip-path:var(--cut-corner);
}
.panel--deep{background:var(--ice-deep);color:rgba(245,242,233,.86);border-top-color:var(--signal)}
.panel--moss{background:rgba(127,163,107,.16);border-top-color:var(--field)}

/* ---------- 图片容器基础件 ---------- */
.media{
  position:relative;overflow:hidden;display:block;
  background:var(--ice-light);clip-path:var(--cut-corner);
}
.media img{width:100%;height:100%;object-fit:cover;display:block}
.media--pan{aspect-ratio:21/9}
.media--wide{aspect-ratio:16/9}
.media--square{aspect-ratio:1/1}
.media--tall{aspect-ratio:3/4}
.media--placeholder{
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--ice-light),#e7eee2 55%,var(--moss));
}
.media__ph{
  font-family:var(--font-cond);font-size:13px;letter-spacing:.18em;
  color:var(--ice-deep);opacity:.7;
}
.media__cap{
  position:absolute;left:0;bottom:0;padding:8px 14px;
  background:rgba(14,58,85,.86);color:#fff;font-size:13px;letter-spacing:.02em;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 24px;font-size:15px;font-weight:700;letter-spacing:.02em;
  background:var(--ice);color:#fff;cursor:pointer;
  clip-path:var(--cut-corner);
  transition:background .22s var(--ease),transform .22s var(--ease),color .22s var(--ease);
}
.btn--primary{background:var(--ice-deep)}
.btn--signal{background:var(--signal);color:var(--ink)}
.btn--ghost{background:transparent;color:var(--ice-deep);box-shadow:inset 0 0 0 1.5px rgba(14,58,85,.4)}
.btn--ghost:hover{background:var(--ice-deep);color:#fff}
.btn:hover{transform:translateY(-2px)}
.btn--signal:hover{background:var(--clay)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--rock);letter-spacing:.02em;
}
.breadcrumb a{padding:2px 0;border-bottom:1px solid transparent}
.breadcrumb a:hover{border-bottom-color:var(--signal);color:var(--ink)}
.breadcrumb__sep{color:var(--moss)}

/* ---------- 表格 ---------- */
.table{width:100%;font-size:15px;background:var(--paper);clip-path:var(--cut-top)}
.table caption{
  text-align:left;font-family:var(--font-cond);font-size:13px;
  letter-spacing:.18em;color:var(--field);padding-bottom:10px;
}
.table th{
  background:var(--ice-deep);color:#fff;font-size:13px;font-weight:700;
  letter-spacing:.08em;text-align:left;padding:11px 14px;
}
.table td{padding:11px 14px;border-bottom:1px solid rgba(107,101,89,.2);vertical-align:top}
.table tbody tr:nth-child(odd){background:rgba(211,230,240,.5)}
.table tr[data-diff="1"] td:first-child{box-shadow:inset 4px 0 0 var(--clay)}

/* ---------- 显现动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

/* =========================================================
   头部
   ========================================================= */
.site-header{position:sticky;top:0;z-index:80}

/* 品牌轨道 */
.brand-rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail);
  display:flex;flex-direction:column;align-items:center;
  padding:20px 0 16px;gap:14px;
  background:var(--ice-deep);color:#fff;
  border-right:1px solid rgba(245,242,233,.14);
  z-index:90;
}
.rail-sign{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.rail-sign__num{
  font-family:var(--font-cond);font-weight:600;font-size:20px;
  letter-spacing:.08em;line-height:1;color:var(--signal);
}
.rail-sign__txt{
  writing-mode:vertical-rl;font-size:15px;font-weight:800;
  letter-spacing:.24em;line-height:1;color:#fff;
}
.rail-index{display:flex;flex-direction:column;align-items:center;gap:2px;width:100%;margin-top:6px}
.rail-index__item{
  position:relative;display:flex;align-items:center;justify-content:center;
  width:100%;height:38px;
  font-family:var(--font-cond);font-size:15px;font-weight:600;letter-spacing:.12em;
  color:rgba(245,242,233,.6);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.rail-index__item:hover,.rail-index__item:focus-visible{color:#fff;background:rgba(28,108,153,.55)}
.rail-index__item[aria-current="page"]{color:#fff}
.rail-index__item[aria-current="page"]::after{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;background:var(--signal);
}
.rail-index__no{line-height:1}
.rail-index__name{
  position:absolute;left:calc(100% + 10px);top:50%;z-index:5;
  transform:translateY(-50%) translateX(-6px);
  padding:5px 11px;white-space:nowrap;
  background:var(--ink);color:var(--paper);
  font-family:var(--font-sans);font-size:12px;font-weight:500;letter-spacing:.06em;
  opacity:0;pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.rail-index__item:hover .rail-index__name,
.rail-index__item:focus-visible .rail-index__name{opacity:1;transform:translateY(-50%) translateX(0)}
.rail-legal{
  margin-top:auto;writing-mode:vertical-rl;
  font-size:10px;letter-spacing:.14em;color:rgba(245,242,233,.48);
}
.rail-top{
  width:38px;height:38px;display:grid;place-items:center;
  background:rgba(245,242,233,.1);color:#fff;cursor:pointer;
  box-shadow:inset 0 0 0 1px rgba(245,242,233,.28);
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),background .2s var(--ease);
}
.rail-top[data-visible]{opacity:1;visibility:visible;transform:none}
.rail-top:hover{background:var(--signal);color:var(--ink)}
.rail-track{
  position:absolute;top:0;right:0;bottom:0;width:3px;
  background:rgba(245,242,233,.14);
}
.rail-track__fill{display:block;width:100%;height:0;background:var(--signal)}

/* 顶栏 */
.topbar{
  position:relative;display:flex;align-items:center;gap:clamp(12px,2vw,26px);
  min-height:68px;padding:0 clamp(16px,3vw,40px);
  background:rgba(245,242,233,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(107,101,89,.22);
}
.topbar::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:linear-gradient(90deg,var(--ice-deep) 0 180px,var(--signal) 180px 230px,transparent 230px);
}
.topbar__brand{display:none;align-items:baseline;gap:8px;font-weight:900;letter-spacing:-.01em}
.topbar__brand-num{font-family:var(--font-cond);color:var(--signal);font-size:17px;letter-spacing:.06em}
.topbar__brand-txt{font-size:16px;color:var(--ice-deep)}

.site-nav{display:flex;align-items:center;margin-left:auto}
.site-nav__list{display:flex;align-items:center;gap:clamp(10px,1.7vw,26px)}
.site-nav__link{
  position:relative;display:inline-flex;align-items:baseline;gap:6px;
  padding:10px 2px;font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;
}
.site-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;
  background:var(--signal);transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.site-nav__link:hover::after,
.site-nav__link:focus-visible::after,
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.site-nav__no{font-family:var(--font-cond);font-size:11px;letter-spacing:.14em;color:var(--moss)}
.site-nav__link:hover{color:var(--ice-deep)}
.site-nav__link[aria-current="page"]{color:var(--ice-deep);font-weight:700}
.site-nav__link[aria-current="page"] .site-nav__no{color:var(--signal)}
.site-nav__device{
  display:none;align-items:center;gap:9px;margin-top:18px;padding-top:18px;
  border-top:1px solid rgba(245,242,233,.16);
  font-size:13px;letter-spacing:.08em;color:var(--ice-light);
}
.site-nav__device-dot{width:8px;height:8px;background:var(--signal);transform:rotate(45deg)}

.device-strip{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 16px;background:var(--field);color:#fff;
  font-family:var(--font-cond);font-size:12.5px;font-weight:600;letter-spacing:.14em;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
  transition:background .22s var(--ease);
}
.device-strip:hover{background:var(--clay)}
.device-strip__dot{width:7px;height:7px;background:var(--signal);transform:rotate(45deg)}

.nav-toggle{
  display:grid;place-items:center;gap:0;width:46px;height:46px;margin-left:auto;
  background:var(--ice-deep);cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
}
.nav-toggle__bars{display:grid;gap:5px;width:20px}
.nav-toggle__bars span{display:block;height:2px;background:var(--paper);transition:transform .26s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-scrim{
  position:fixed;inset:0;z-index:110;
  background:rgba(14,58,85,.55);
  opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease);
}
.nav-scrim[data-visible]{opacity:1;pointer-events:auto}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{
  position:relative;z-index:1;
  background:var(--ice-deep);color:rgba(245,242,233,.8);
  padding:clamp(38px,5vw,68px) 0 22px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:5px;
  background:repeating-linear-gradient(90deg,
    var(--ice) 0 90px,var(--field) 90px 150px,var(--moss) 150px 190px,
    var(--clay) 190px 226px,var(--signal) 226px 258px);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.5fr;
  gap:clamp(22px,3vw,40px);
}
.footer-brand__sign{font-size:19px;font-weight:900;color:#fff;letter-spacing:-.01em}
.footer-brand__meta{
  margin-top:8px;font-family:var(--font-cond);font-size:13px;
  letter-spacing:.18em;color:var(--moss);
}
.footer-brand__icp{margin-top:12px;font-size:12px;color:rgba(245,242,233,.55);letter-spacing:.02em}
.footer-col__title{
  font-family:var(--font-cond);font-size:13px;font-weight:600;
  letter-spacing:.18em;color:#fff;margin-bottom:14px;
}
.footer-col a{
  display:block;padding:5px 0;font-size:14px;color:rgba(245,242,233,.76);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-col a:hover{
  color:#fff;border-bottom-color:var(--signal);
}
.footer-contact__item{display:grid;gap:3px;margin-bottom:14px}
.footer-contact__label{
  font-family:var(--font-cond);font-size:11.5px;letter-spacing:.2em;
  color:var(--moss);
}
.footer-contact__value{font-size:14px;color:rgba(245,242,233,.86);word-break:break-word}
a.footer-contact__value:hover{color:#fff;border-bottom:1px solid var(--signal)}
.footer-base{
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  margin-top:clamp(26px,3.4vw,42px);padding-top:16px;
  border-top:1px solid rgba(245,242,233,.16);
}
.footer-base__note{font-size:12.5px;color:rgba(245,242,233,.55);max-width:52em;line-height:1.7}

/* =========================================================
   响应式
   ========================================================= */
@media (min-width:1024px){
  body{padding-left:var(--rail)}
  .nav-toggle{display:none}
  .nav-scrim{display:none}
}
@media (min-width:1024px) and (max-width:1240px){
  .site-nav__list{gap:12px}
  .site-nav__link{font-size:14px}
  .device-strip{font-size:11.5px;padding:8px 12px;letter-spacing:.1em}
}

@media (max-width:1023px){
  .brand-rail{display:none}
  .topbar{min-height:62px}
  .topbar__brand{display:inline-flex}
  .device-strip{display:none}

  .site-nav{
    position:fixed;top:0;right:0;bottom:0;z-index:120;
    width:min(340px,86vw);
    flex-direction:column;align-items:stretch;gap:0;
    padding:86px 24px 30px;overflow-y:auto;
    background:var(--ice-deep);
    transform:translateX(102%);
    transition:transform .34s var(--ease);
    box-shadow:-18px 0 44px rgba(14,58,85,.3);
  }
  .site-nav[data-open]{transform:translateX(0)}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .site-nav__link{
    padding:15px 4px;font-size:17px;font-weight:700;color:var(--paper);
    border-bottom:1px solid rgba(245,242,233,.14);
  }
  .site-nav__link::after{display:none}
  .site-nav__link:hover{color:var(--signal);background:rgba(28,108,153,.28)}
  .site-nav__link[aria-current="page"]{color:var(--signal)}
  .site-nav__no{margin-right:10px;color:var(--moss);font-size:12px}
  .site-nav__device{display:flex}
}

@media (max-width:900px){
  .grid--12{grid-template-columns:repeat(6,1fr)}
  .span-2,.span-3,.span-4,.span-5{grid-column:span 3}
  .span-6,.span-7,.span-8,.span-9,.span-10,.span-11{grid-column:span 6}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
  .footer-brand{grid-column:span 3}
  .footer-contact{grid-column:span 3}
}
@media (max-width:600px){
  body{font-size:16px}
  .grid--12{grid-template-columns:repeat(2,1fr)}
  .span-2,.span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-9,.span-10,.span-11{grid-column:span 2}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand,.footer-contact{grid-column:span 1}
  .footer-base{flex-direction:column}
  .btn{width:100%;justify-content:center}
}

/* =========================================================
   无障碍与动效偏好
   ========================================================= */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
  [data-reveal]{opacity:1;transform:none}
}
@media print{
  .site-header,.site-footer,.nav-scrim{display:none}
  body{padding-left:0;background:#fff}
  body::before{display:none}
}