/* ===================================================
   /assets/site.css — 皇冠体彩彩讯 共享样式
   01 变量与重置  02 基础排版  03 工具类  04 按钮
   05 跳转链接   06 页头     07 导航     08 页脚
   09 面包屑     10 组件     11 图片容器 12 动效 13 响应式
   =================================================== */

/* ---------- 01 变量与重置 ---------- */
:root{
  --ink:#070B0A;
  --deep:#0E2B26;
  --mid:#16453C;
  --jade:#1F6F63;
  --gold:#C9A227;
  --gold-lit:#E8C766;
  --red:#C8322A;
  --silver:#A8B2AE;
  --chalk:#E9EEEB;
  --mist:#6E8A83;
  --line:rgba(201,162,39,.30);
  --line-soft:rgba(168,178,174,.16);
  --panel-bg:linear-gradient(158deg, rgba(22,69,60,.52), rgba(11,26,23,.88));
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:ui-monospace,"Roboto Mono","SFMono-Regular","Cascadia Mono",Consolas,monospace;
  --wrap:1320px;
  --pad:clamp(18px,4vw,40px);
  --ease:cubic-bezier(.22,.68,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  color:var(--chalk);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  background-color:var(--ink);
  background-image:
    radial-gradient(1200px 620px at 84% -12%, rgba(31,111,99,.22), transparent 62%),
    radial-gradient(900px 520px at -6% 104%, rgba(201,162,39,.10), transparent 58%),
    repeating-linear-gradient(0deg, rgba(233,238,235,.026) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(233,238,235,.026) 0 1px, transparent 1px 72px);
}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
button{font:inherit;color:inherit}
[hidden]{display:none !important}
::selection{background:rgba(201,162,39,.35);color:#fff}

/* ---------- 02 基础排版 ---------- */
h1,h2,h3,h4{font-weight:800;line-height:1.16;letter-spacing:.005em;color:var(--chalk)}
.h1{font-size:clamp(34px,6vw,56px);line-height:1.08;letter-spacing:-.01em}
.h2{font-size:clamp(26px,4vw,40px);line-height:1.14}
.h3{font-size:clamp(19px,2.4vw,28px)}
.h4{font-size:20px}
.lead{font-size:clamp(16px,1.5vw,19px);color:var(--silver);max-width:38em}
.prose p{max-width:38em;margin-bottom:1.1em;color:#D7DEDB}
.prose p:last-child{margin-bottom:0}
.prose a{color:var(--gold-lit);border-bottom:1px solid rgba(201,162,39,.45)}
.prose a:hover{border-bottom-color:var(--gold-lit)}
.muted{color:var(--silver)}
.num,[data-num]{font-family:var(--font-num);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em}
strong{color:var(--chalk);font-weight:700}

:focus-visible{outline:2px solid var(--gold-lit);outline-offset:3px}

/* ---------- 03 工具类 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.section{padding:clamp(44px,7vw,88px) 0}
.section--tight{padding:clamp(28px,4vw,48px) 0}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.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-12{grid-column:span 12}
.stack{display:flex;flex-direction:column;gap:18px}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);font-family:var(--font-num);
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
.rule{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--line),rgba(201,162,39,0))}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;font-size:12px;letter-spacing:.08em;
  color:var(--gold-lit);border:1px solid var(--line);
  background:rgba(14,43,38,.72);
  clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px);
}
.tag--jade{color:#BFE6DC;border-color:rgba(31,111,99,.6);background:rgba(31,111,99,.22)}
.tag--red{color:#F6D6D2;border-color:rgba(200,50,42,.6);background:rgba(200,50,42,.22)}
.tag--gold{color:#12100A;border-color:var(--gold-lit);background:linear-gradient(135deg,var(--gold-lit),var(--gold));font-weight:700}

/* ---------- 04 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;font-size:15px;line-height:1.4;letter-spacing:.04em;
  border:1px solid var(--line);background:rgba(14,43,38,.55);color:var(--silver);
  cursor:pointer;text-align:center;
  clip-path:polygon(11px 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%,0 11px);
  transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn:hover{color:var(--chalk);background:rgba(31,111,99,.38);border-color:rgba(201,162,39,.6)}
.btn:active{transform:translateY(1px)}
.btn--gold{background:linear-gradient(135deg,var(--gold-lit),var(--gold));color:#0B1A17;border-color:var(--gold-lit);font-weight:700}
.btn--gold:hover{background:linear-gradient(135deg,#F3DA8C,var(--gold));color:#0B1A17}
.btn--ghost{color:var(--gold-lit);border-color:rgba(201,162,39,.5);background:rgba(201,162,39,.08)}
.btn--ghost:hover{background:rgba(201,162,39,.18);color:#F6E3A6}
.btn--red{background:rgba(200,50,42,.86);border-color:#E46058;color:#FFF3F1;font-weight:700}
.btn--red:hover{background:var(--red);color:#fff}
.btn--line{background:transparent}
.btn--sm{padding:8px 13px;font-size:13.5px}
.copy-btn{
  padding:3px 10px;font-size:12px;letter-spacing:.06em;cursor:pointer;
  background:transparent;border:1px solid var(--line-soft);color:var(--gold-lit);
  clip-path:polygon(5px 0,100% 0,100% calc(100% - 5px),calc(100% - 5px) 100%,0 100%,0 5px);
  transition:color .2s,background .2s,border-color .2s;
}
.copy-btn:hover{border-color:var(--gold-lit);background:rgba(201,162,39,.14)}
.copy-btn.is-done{background:var(--gold-lit);color:#0B1A17;border-color:var(--gold-lit);font-weight:700}

/* ---------- 05 跳转链接 ---------- */
.skip-link{
  position:fixed;left:12px;top:-64px;z-index:200;
  padding:10px 18px;font-size:14px;font-weight:700;
  background:var(--gold-lit);color:#0B1A17;
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
  transition:top .22s var(--ease);
}
.skip-link:focus{top:12px}

/* ---------- 06 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg, rgba(14,43,38,.97), rgba(8,17,15,.95));
  border-bottom:1px solid var(--line);
  box-shadow:0 12px 32px rgba(0,0,0,.5);
}
.site-header::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;
  background:linear-gradient(180deg,var(--gold-lit),var(--gold) 32%,var(--jade) 76%,rgba(31,111,99,0));
  pointer-events:none;
}
.header-frame{
  max-width:var(--wrap);margin:0 auto;
  padding:14px var(--pad);
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:clamp(12px,2.2vw,34px);
  transition:padding .28s var(--ease);
}
.site-header[data-condensed] .header-frame{padding-top:7px;padding-bottom:7px}
.site-header[data-condensed] .brand-tag{opacity:0;height:0;overflow:hidden}

.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-crown{
  position:relative;flex:none;width:40px;height:40px;display:grid;place-items:center;
  background:linear-gradient(150deg, rgba(201,162,39,.22), rgba(31,111,99,.16));
  border:1px solid var(--line);
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
}
.brand-crown::before{
  content:"";width:22px;height:16px;
  background:linear-gradient(180deg,var(--gold-lit),var(--gold));
  clip-path:polygon(0 100%,0 22%,24% 60%,50% 0,76% 60%,100% 22%,100% 100%);
}
.brand-crown--sm{width:30px;height:30px}
.brand-crown--sm::before{width:17px;height:12px}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.06em;color:var(--chalk);white-space:nowrap}
.brand-tag{font-size:11px;letter-spacing:.16em;color:var(--mist);white-space:nowrap;transition:opacity .2s}
.header-actions{display:flex;align-items:center;gap:10px;justify-self:end}
.header-trace{
  position:absolute;left:0;bottom:-1px;width:min(38%,460px);height:2px;
  background:linear-gradient(90deg,var(--gold-lit),rgba(31,111,99,.35) 66%,rgba(31,111,99,0));
  pointer-events:none;
}
.header-trace::after{
  content:"";position:absolute;right:0;top:-4px;width:10px;height:10px;
  background:var(--gold-lit);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
}
.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;z-index:2;
  background:linear-gradient(90deg,var(--jade),var(--gold-lit));
  transition:width .12s linear;
}

/* ---------- 07 导航 ---------- */
.site-nav{justify-self:center;min-width:0}
.nav-list{display:flex;align-items:center;gap:clamp(2px,.7vw,8px)}
.nav-list a{
  position:relative;display:block;padding:10px 13px;
  font-size:15px;letter-spacing:.06em;color:var(--silver);
  border:1px solid transparent;
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.nav-list a:hover{color:var(--gold-lit);background:rgba(31,111,99,.26);border-color:var(--line-soft)}
.nav-list a[aria-current="page"]{
  color:#0B1A17;font-weight:700;border-color:var(--gold-lit);
  background:linear-gradient(135deg,var(--gold-lit),var(--gold));
}
.nav-mark{display:none}
.nav-toggle{
  display:none;align-items:center;gap:10px;justify-self:end;
  padding:10px 14px;cursor:pointer;
  background:rgba(14,43,38,.85);border:1px solid var(--line);color:var(--gold-lit);
  font-size:14px;letter-spacing:.1em;
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
}
.nav-toggle:hover{border-color:var(--gold-lit);background:rgba(31,111,99,.4)}
.nav-toggle-icon{display:grid;gap:4px;width:20px}
.nav-toggle-icon i{display:block;height:2px;background:currentColor;transition:transform .26s var(--ease),opacity .2s}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-toggle-label{white-space:nowrap}
.nav-scrim{
  position:fixed;inset:0;z-index:70;
  background:linear-gradient(120deg, rgba(7,11,10,.82), rgba(14,43,38,.7));
}

/* ---------- 08 页脚 ---------- */
.site-footer{
  position:relative;margin-top:clamp(48px,8vw,104px);
  background:linear-gradient(180deg, rgba(14,43,38,.9), rgba(7,11,10,.99));
  border-top:1px solid var(--line);
  color:var(--silver);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--gold) 0,var(--gold-lit) 16%,var(--jade) 44%,rgba(31,111,99,0) 78%);
}
.footer-grid{
  max-width:var(--wrap);margin:0 auto;
  padding:clamp(34px,5.6vw,64px) var(--pad) clamp(22px,3.4vw,36px);
  display:grid;grid-template-columns:1.5fr 1fr 1.6fr 1.1fr;gap:clamp(22px,3vw,44px);
}
.footer-col{min-width:0}
.footer-brand-name{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;letter-spacing:.06em;color:var(--chalk);
}
.footer-line{margin-top:14px;font-size:15px;color:var(--silver);max-width:26em}
.footer-est{
  margin-top:10px;font-size:12px;letter-spacing:.08em;color:var(--mist);
  font-family:var(--font-num);
}
.footer-title{
  display:flex;align-items:center;gap:10px;
  margin-bottom:16px;font-size:13px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--gold);
}
.footer-title::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line),rgba(201,162,39,0))}
.footer-links li+li{margin-top:2px}
.footer-links a{
  display:inline-block;padding:6px 0;font-size:14.5px;color:var(--silver);
  border-bottom:1px dashed rgba(168,178,174,.18);
  transition:color .2s var(--ease),padding-left .2s var(--ease),border-color .2s;
}
.footer-links a:hover{color:var(--gold-lit);padding-left:6px;border-bottom-color:var(--line)}
.contact-list{display:flex;flex-direction:column;gap:12px}
.contact-row{
  display:grid;grid-template-columns:72px minmax(0,1fr) auto;
  align-items:center;gap:10px;padding:8px 10px;
  background:rgba(22,69,60,.30);border-left:2px solid var(--jade);
}
.contact-key{font-size:12px;letter-spacing:.1em;color:var(--mist)}
.contact-value{
  font-family:var(--font-num);font-size:14px;color:var(--chalk);
  word-break:break-all;letter-spacing:.02em;
}
.footer-note{margin-top:12px;font-size:13px;line-height:1.7;color:var(--mist);max-width:30em}
.footer-base{
  max-width:var(--wrap);margin:0 auto;
  padding:16px var(--pad) 24px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--mist);
}
.footer-copy{letter-spacing:.04em}
.footer-icp{font-family:var(--font-num);letter-spacing:.06em;color:var(--silver)}

/* ---------- 09 面包屑 ---------- */
.breadcrumb{
  max-width:var(--wrap);margin:0 auto;
  padding:20px var(--pad) 0;
  font-size:13px;color:var(--mist);letter-spacing:.04em;
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.breadcrumb li{display:flex;align-items:center;gap:6px}
.breadcrumb li+li::before{content:"／";color:var(--jade)}
.breadcrumb a:hover{color:var(--gold-lit)}
.breadcrumb [aria-current="page"]{color:var(--chalk)}

/* ---------- 10 组件 ---------- */
.panel{
  position:relative;padding:clamp(20px,2.4vw,32px);
  background:var(--panel-bg);border:1px solid var(--line-soft);
}
.panel--cut{clip-path:polygon(16px 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%,0 16px)}
.panel--gold{border-color:var(--line);box-shadow:inset 0 0 0 1px rgba(201,162,39,.08)}
.cut-corners{clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px)}
.cut-tr{clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%)}
.stat{display:flex;flex-direction:column;gap:4px}
.stat-value{font-family:var(--font-num);font-weight:700;font-size:clamp(26px,3.6vw,40px);color:var(--gold-lit);line-height:1.1}
.stat-label{font-size:12px;letter-spacing:.14em;color:var(--mist);text-transform:uppercase}

.tabs{display:flex;flex-wrap:wrap;gap:4px;border-bottom:1px solid var(--line-soft)}
.tab{
  appearance:none;background:transparent;border:1px solid transparent;
  padding:11px 18px;font-size:15px;letter-spacing:.06em;color:var(--silver);cursor:pointer;
  clip-path:polygon(10px 0,100% 0,100% 100%,0 100%,0 10px);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.tab:hover{color:var(--gold-lit);background:rgba(31,111,99,.24)}
.tab[aria-selected="true"]{color:#0B1A17;font-weight:700;background:linear-gradient(135deg,var(--gold-lit),var(--gold))}
.tabpanel{padding-top:22px}
.tabpanel:focus{outline:none}

details.fold{border:1px solid var(--line-soft);background:rgba(14,43,38,.46)}
details.fold+details.fold{margin-top:10px}
details.fold summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 18px;cursor:pointer;font-weight:600;color:var(--chalk);
  list-style:none;
}
details.fold summary::-webkit-details-marker{display:none}
details.fold summary::after{content:"＋";color:var(--gold-lit);font-family:var(--font-num)}
details.fold[open] summary::after{content:"－"}
details.fold[open] summary{border-bottom:1px solid var(--line-soft)}
.fold-body{padding:14px 18px 18px;font-size:15px;color:var(--silver)}

.table-wrap{width:100%;overflow-x:auto;border:1px solid var(--line-soft);background:rgba(9,22,19,.6)}
.table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line-soft);white-space:nowrap}
.table thead th{
  font-size:12px;letter-spacing:.12em;color:var(--gold);
  background:rgba(14,43,38,.8);font-weight:700;
}
.table tbody tr:nth-child(even){background:rgba(22,69,60,.26)}
.table tbody tr.is-active{background:rgba(200,50,42,.18);box-shadow:inset 3px 0 0 var(--red)}
.table tbody tr.is-active td{color:#F4E4E2}
.table .num{font-size:17px}

/* ---------- 11 图片容器 ---------- */
.media{
  position:relative;overflow:hidden;
  border:1px solid var(--line-soft);
  background:linear-gradient(152deg, rgba(31,111,99,.28), rgba(7,11,10,.92));
  clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px);
}
.media img,.media svg{width:100%;height:100%;object-fit:cover}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(120deg, rgba(201,162,39,.12), rgba(201,162,39,0) 46%);
}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--3x4{aspect-ratio:3/4}
.media--wide{aspect-ratio:21/9}
.media-tag{
  position:absolute;left:0;top:0;z-index:2;
  padding:6px 12px;font-size:12px;letter-spacing:.12em;
  background:rgba(7,11,10,.8);color:var(--gold-lit);
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  font-family:var(--font-num);
}
.media-caption{margin-top:10px;font-size:13px;letter-spacing:.03em;color:var(--mist)}
.media-caption .num{color:var(--silver)}

/* ---------- 12 动效 ---------- */
.js-ready [data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .42s var(--ease),transform .42s var(--ease);
}
.js-ready [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 13 响应式 ---------- */
@media (max-width:1180px){
  .header-frame{grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:10px var(--pad)}
  .header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .brand-tag{display:none}
  .site-nav{
    position:fixed;top:0;right:0;bottom:0;left:auto;
    width:min(86vw,370px);z-index:72;
    padding:92px 24px 32px;
    overflow-y:auto;
    background:linear-gradient(200deg, #16453C, #0E2B26 42%, #070B0A 100%);
    border-left:1px solid var(--line);
    box-shadow:-24px 0 48px rgba(0,0,0,.6);
    transform:translateX(104%);
    transition:transform .32s var(--ease);
  }
  .site-nav[data-open]{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:6px}
  .nav-list a{
    padding:15px 16px;font-size:17px;
    border:1px solid transparent;border-bottom:1px solid var(--line-soft);
    clip-path:polygon(11px 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%,0 11px);
  }
  .nav-list a[aria-current="page"]{clip-path:none}
  .nav-mark{
    display:block;margin-top:26px;height:14px;
    background:repeating-linear-gradient(90deg, rgba(201,162,39,.6) 0 1px, transparent 1px 14px);
    opacity:.6;
  }
  body.nav-open{overflow:hidden}
}
@media (max-width:980px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .grid-12{gap:18px}
  .span-3,.span-4,.span-5{grid-column:span 6}
  .span-7,.span-8{grid-column:span 12}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-base{flex-direction:column;align-items:flex-start;gap:6px}
  .contact-row{grid-template-columns:minmax(0,1fr) auto;row-gap:6px}
  .contact-key{grid-column:1 / -1}
  .grid-12{gap:16px}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8{grid-column:span 12}
  .header-frame{padding:9px var(--pad)}
  .brand-crown{width:34px;height:34px}
  .brand-name{font-size:17px}
}

/* ---------- 14 降低动效 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .js-ready [data-reveal]{opacity:1 !important;transform:none !important}
  .site-nav{transition:none !important}
  .scroll-progress{transition:none !important}
  html{scroll-behavior:auto !important}
}