/* ==========================================================================
   皇冠体彩入口 · /assets/site.css
   共享外壳：reset · 变量 · 中文排版 · 头部 · 页脚 · 基础组件
   ========================================================================== */

:root{
  --ink:#0B0C0E;
  --ink-2:#0F1013;
  --iron:#14161A;
  --char:#1E2126;
  --line:#3A3F47;
  --line-soft:rgba(58,63,71,.62);
  --gold:#C9A24B;
  --gold-lt:#E3C878;
  --gold-dim:rgba(201,162,75,.42);
  --cinnabar:#B23A2E;
  --red-deep:#7A1F1A;
  --silver:#9AA0A6;
  --warm:#E8E4DA;

  --f-display:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --f-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --f-num:"Bebas Neue","DIN Condensed","Oswald","Arial Narrow",var(--f-body);

  --maxw:1240px;
  --maxw-narrow:820px;
  --gut:clamp(18px,4vw,40px);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:96px;
}
body{
  margin:0;
  background:var(--ink);
  color:var(--warm);
  font-family:var(--f-body);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;height:auto;}
a{color:var(--gold-lt);text-decoration:none;transition:color var(--t) var(--ease);}
a:hover{color:var(--warm);}
button{font:inherit;color:inherit;background:none;border:0;padding:0;}
table{border-collapse:collapse;width:100%;}
[hidden]{display:none !important;}
:focus-visible{outline:2px solid var(--gold-lt);outline-offset:3px;}
::selection{background:rgba(201,162,75,.32);color:var(--warm);}

/* ---------- 中文排版 ---------- */
h1,h2,h3,h4{
  font-family:var(--f-display);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.22;
  color:var(--warm);
  margin:0 0 .55em;
}
h1{font-size:clamp(30px,4.4vw,56px);line-height:1.14;}
h2{font-size:clamp(24px,3vw,36px);}
h3{font-size:clamp(19px,2vw,25px);}
h4{font-size:17px;letter-spacing:0;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
strong,b{font-weight:700;color:var(--warm);}
small{font-size:12.5px;letter-spacing:.06em;color:var(--silver);}

.h-xl{font-size:clamp(32px,5vw,62px);line-height:1.1;}
.h-lg{font-size:clamp(26px,3.4vw,40px);}
.h-md{font-size:clamp(20px,2.4vw,28px);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--gold);
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--gold);
}
.lede{
  max-width:64ch;
  font-size:clamp(15.5px,1.6vw,18px);
  line-height:1.85;
  color:rgba(232,228,218,.82);
}
.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

/* ---------- 容器与网格 ---------- */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gut);
}
.wrap--narrow{max-width:var(--maxw-narrow);}
.section{padding-block:clamp(40px,6vw,84px);}
.section--iron{background:var(--iron);}
.section--char{background:var(--char);}

.grid{display:grid;gap:clamp(16px,2.4vw,28px);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}
.split{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:clamp(20px,4vw,56px);
}

.rule{height:1px;border:0;background:var(--line);margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 26px;
  border:1px solid transparent;
  border-radius:0;
  font-family:var(--f-body);
  font-size:14px;
  font-weight:700;
  letter-spacing:.1em;
  line-height:1.4;
  text-align:center;
  cursor:pointer;
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease),
             border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn--gold{background:var(--gold);border-color:var(--gold);color:#0B0C0E;}
.btn--gold:hover{background:var(--gold-lt);border-color:var(--gold-lt);color:#0B0C0E;}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--warm);}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-lt);}
.btn--red{background:var(--cinnabar);border-color:var(--cinnabar);color:#F7EDEB;}
.btn--red:hover{background:#C6483A;border-color:#C6483A;color:#F7EDEB;}
.btn--sm{padding:9px 16px;font-size:12.5px;letter-spacing:.08em;}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-block:18px;
  border-bottom:1px solid var(--line-soft);
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(154,160,166,.92);
}
.crumbs a{color:rgba(232,228,218,.75);}
.crumbs a:hover{color:var(--gold-lt);}
.crumbs__sep{color:var(--line);}
.crumbs [aria-current="page"]{color:var(--gold);}

/* ---------- 面板 / 标签 ---------- */
.panel{
  position:relative;
  padding:clamp(18px,3vw,30px);
  background:var(--iron);
  border:1px solid var(--line);
  border-radius:0;
}
.panel--gold{border-color:rgba(201,162,75,.42);}
.panel__index{
  display:block;
  font-family:var(--f-num);
  font-size:clamp(28px,4vw,46px);
  line-height:1;
  letter-spacing:.04em;
  color:var(--gold-dim);
  margin-bottom:10px;
}
.panel__title{
  font-family:var(--f-display);
  font-weight:900;
  font-size:clamp(17px,1.9vw,21px);
  letter-spacing:-.01em;
  color:var(--warm);
  margin:0 0 .5em;
}
.panel__body{font-size:15px;line-height:1.85;color:rgba(232,228,218,.78);}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  border:1px solid var(--line);
  background:rgba(30,33,38,.85);
  font-size:11px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--silver);
}
.tag--gold{color:var(--gold-lt);border-color:rgba(201,162,75,.45);background:rgba(201,162,75,.1);}
.tag--red{color:#E9A49B;border-color:rgba(178,58,46,.5);background:rgba(178,58,46,.14);}

/* ---------- 图片容器基础规则（供页面阶段放置占位图） ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--char);
  border:1px solid var(--line);
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:21/9;}
.media-frame--tall{aspect-ratio:3/4;}
.media-frame--square{aspect-ratio:1/1;}
.media-frame__caption{
  display:block;
  margin-top:10px;
  font-size:11.5px;
  letter-spacing:.1em;
  color:rgba(154,160,166,.9);
}

/* ==========================================================================
   头部
   ========================================================================== */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background-color:rgba(11,12,14,.94);
  background-image:linear-gradient(180deg,#0F1013 0%,rgba(11,12,14,.94) 100%);
  border-bottom:1px solid var(--line);
  color:var(--warm);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.site-header::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:linear-gradient(90deg,transparent 0%,var(--gold) 18%,var(--gold-lt) 50%,var(--gold) 82%,transparent 100%);
  opacity:.55;
  pointer-events:none;
}

.skip-link{
  position:absolute;
  left:16px;
  top:10px;
  z-index:120;
  padding:10px 18px;
  background:var(--gold);
  color:#0B0C0E;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-decoration:none;
  border-radius:0;
  transform:translateY(-240%);
  transition:transform 160ms var(--ease);
}
.skip-link:focus{transform:translateY(0);color:#0B0C0E;}

.header-inner{
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,26px);
  width:100%;
  max-width:var(--maxw);
  min-height:76px;
  margin-inline:auto;
  padding:0 var(--gut);
}

.brand{
  display:flex;
  align-items:center;
  margin-right:auto;
  min-width:0;
}
.brand-link{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:0;
  color:var(--warm);
}
.brand-link:hover{color:var(--warm);}

.brand-mark{
  position:relative;
  display:block;
  flex:0 0 auto;
  width:36px;
  height:33px;
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;bottom:6px;
  background:linear-gradient(150deg,var(--gold-lt) 0%,var(--gold) 46%,#8A6A26 100%);
  clip-path:polygon(0 86%,10% 32%,30% 58%,50% 4%,70% 58%,90% 32%,100% 86%);
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:5px;
  background:linear-gradient(90deg,var(--gold) 0%,var(--gold-lt) 50%,var(--gold) 100%);
  opacity:.9;
}

.brand-text{display:block;min-width:0;}
.brand-name{
  display:block;
  font-family:var(--f-display);
  font-weight:900;
  font-size:19px;
  line-height:1.2;
  letter-spacing:.06em;
  color:var(--warm);
  white-space:nowrap;
}
.brand-sub{
  display:block;
  font-size:10px;
  line-height:1.4;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--silver);
  white-space:nowrap;
}

.header-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  padding:5px 12px;
  border:1px solid rgba(178,58,46,.55);
  background:rgba(178,58,46,.12);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.14em;
  color:#E7A79E;
  white-space:nowrap;
}
.status-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--cinnabar);
  box-shadow:0 0 0 3px rgba(178,58,46,.2);
}
.status-label{display:inline-block;}

.site-nav{flex:0 1 auto;min-width:0;}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  list-style:none;
}
.nav-list a{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:8px 10px;
  border-bottom:2px solid transparent;
  font-size:13.5px;
  font-weight:600;
  line-height:1.5;
  letter-spacing:.02em;
  white-space:nowrap;
  color:rgba(232,228,218,.78);
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.nav-list a:hover{
  color:var(--warm);
  background:rgba(201,162,75,.08);
  border-bottom-color:rgba(201,162,75,.45);
}
.nav-list a:focus-visible{outline-offset:1px;}
.nav-num{
  font-family:var(--f-num);
  font-size:12px;
  line-height:1;
  letter-spacing:.08em;
  color:var(--gold);
  opacity:.7;
}
.nav-label{display:inline-block;}
.nav-list a[aria-current="page"],
.nav-list a.is-active{
  color:var(--gold-lt);
  border-bottom-color:var(--gold);
  background:rgba(201,162,75,.06);
}
.nav-list a[aria-current="page"] .nav-num,
.nav-list a.is-active .nav-num{opacity:1;}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  flex:0 0 auto;
  padding:10px 14px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--warm);
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  cursor:pointer;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.nav-toggle:hover{border-color:var(--gold);color:var(--gold-lt);background:rgba(201,162,75,.07);}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:12px;
  flex:0 0 auto;
}
.nav-toggle__bars span{
  position:absolute;
  left:0;right:0;
  height:2px;
  background:currentColor;
  transition:transform var(--t) var(--ease);
}
.nav-toggle__bars span:nth-child(1){top:0;}
.nav-toggle__bars span:nth-child(2){bottom:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){transform:translateY(-5px) rotate(-45deg);}
.nav-toggle__text{display:inline-block;}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  background-image:linear-gradient(180deg,#0E0F12 0%,#121113 42%,#191110 78%,#1D100E 100%);
  background-color:#0E0F12;
  border-top:1px solid var(--line);
  color:var(--silver);
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:linear-gradient(90deg,var(--red-deep) 0%,var(--gold) 42%,var(--gold-lt) 50%,var(--gold) 58%,var(--red-deep) 100%);
  opacity:.75;
  pointer-events:none;
}
.footer-inner{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding:clamp(36px,5vw,64px) var(--gut) 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.3fr 1fr;
  gap:clamp(24px,4vw,52px);
}

.footer-brand__link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--f-display);
  font-weight:900;
  font-size:21px;
  letter-spacing:.08em;
  color:var(--warm);
}
.footer-brand__link:hover{color:var(--gold-lt);}
.footer-brand__link .brand-mark{width:28px;height:26px;}
.footer-tagline{
  max-width:30ch;
  margin:16px 0 0;
  font-size:13.5px;
  line-height:1.8;
  color:rgba(154,160,166,.92);
}
.footer-stamp{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin:18px 0 0;
  padding:4px 10px;
  border:1px solid rgba(201,162,75,.34);
  font-family:var(--f-num);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--gold);
}

.footer-col__title{
  position:relative;
  margin:0 0 16px;
  padding-bottom:10px;
  border-bottom:1px solid var(--line-soft);
  font-family:var(--f-body);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.22em;
  color:var(--gold);
}
.footer-col__title::before{
  content:"";
  display:inline-block;
  width:6px;
  height:6px;
  margin-right:8px;
  background:var(--gold);
  vertical-align:middle;
  transform:translateY(-1px);
}

.footer-list{display:grid;gap:9px;}
.footer-list a{
  position:relative;
  display:inline-block;
  padding-left:14px;
  font-size:14px;
  line-height:1.65;
  color:rgba(232,228,218,.72);
  transition:color var(--t) var(--ease),padding-left var(--t) var(--ease);
}
.footer-list a::before{
  content:"";
  position:absolute;
  left:0;
  top:.78em;
  width:6px;
  height:1px;
  background:var(--line);
  transition:width var(--t) var(--ease),background-color var(--t) var(--ease);
}
.footer-list a:hover{color:var(--gold-lt);padding-left:18px;}
.footer-list a:hover::before{width:12px;background:var(--gold);}

.footer-contact{display:grid;gap:14px;}
.footer-contact li{display:grid;gap:3px;}
.footer-contact__k{
  font-size:10.5px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(154,160,166,.75);
}
.footer-contact__v{
  font-size:13.5px;
  line-height:1.7;
  color:rgba(232,228,218,.9);
  overflow-wrap:anywhere;
}
.footer-icp{
  margin:16px 0 0;
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(154,160,166,.85);
}

.footer-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  margin-top:clamp(28px,4vw,48px);
  padding:18px 0 26px;
  border-top:1px solid var(--line-soft);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(154,160,166,.82);
}
.footer-copy{margin:0;}
.footer-bar__links{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 20px;
}
.footer-bar__links a{
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(232,228,218,.72);
}
.footer-bar__links a:hover{color:var(--gold-lt);}

/* ==========================================================================
   共享滚动组件（由 shared JS 注入）
   ========================================================================== */
.scroll-meter{
  position:fixed;
  left:0;right:0;top:0;
  height:2px;
  z-index:110;
  background:rgba(58,63,71,.45);
  pointer-events:none;
}
.scroll-meter__fill{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--cinnabar) 0%,var(--gold) 55%,var(--gold-lt) 100%);
}

.to-top{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:100;
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  border:1px solid var(--line);
  background:rgba(20,22,26,.92);
  color:var(--gold-lt);
  font-size:16px;
  line-height:1;
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transform:translateY(8px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),
             border-color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.to-top[data-visible]{
  opacity:1;
  pointer-events:auto;
  transform:translateY(0);
}
.to-top:hover{border-color:var(--gold);background:rgba(201,162,75,.14);color:var(--gold-lt);}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1080px){
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:absolute;
    left:0;right:0;
    top:100%;
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    background:#0D0E11;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 40px -24px rgba(0,0,0,.92);
    transition:max-height 260ms var(--ease),visibility 0s linear 260ms;
  }
  .site-nav[data-open]{
    max-height:min(78vh,560px);
    overflow-y:auto;
    visibility:visible;
    transition:max-height 260ms var(--ease),visibility 0s linear 0s;
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .nav-list li + li{border-top:1px solid rgba(58,63,71,.5);}
  .nav-list a{
    justify-content:flex-start;
    padding:15px var(--gut);
    border-bottom:0;
    border-left:2px solid transparent;
    font-size:15px;
  }
  .nav-list a:hover{background:rgba(201,162,75,.07);border-bottom-color:transparent;border-left-color:rgba(201,162,75,.45);}
  .nav-list a[aria-current="page"],
  .nav-list a.is-active{
    background:rgba(201,162,75,.09);
    border-bottom-color:transparent;
    border-left-color:var(--gold);
  }
  .nav-num{font-size:13px;}
}

@media (max-width:960px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:minmax(0,1fr);}
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:640px){
  body{font-size:16px;}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bar{flex-direction:column;align-items:flex-start;}
  .to-top{right:14px;bottom:14px;width:42px;height:42px;}
}

@media (max-width:560px){
  .header-inner{min-height:64px;gap:8px;}
  .brand-mark{width:30px;height:28px;}
  .brand-name{font-size:16px;letter-spacing:.04em;}
  .brand-sub{display:none;}
  .header-status{padding:4px 8px;font-size:10px;letter-spacing:.08em;}
  .nav-toggle{padding:9px 11px;}
  .nav-toggle__text{display:none;}
}

/* ==========================================================================
   可访问性降级
   ========================================================================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,.to-top{transform:none;}
}