/* ===== 优越会指定站 · 共享样式表 /assets/site.css ===== */

*,*::before,*::after{box-sizing:border-box;}

:root{
  --ink-blue:#0E1B33;
  --ink-night:#16233F;
  --paper:#F4EEDF;
  --ink-brown:#241C18;
  --snow:#A8D8E8;
  --gold:#D9A441;
  --gold-ink:#8C5F14;
  --teal:#12B39A;
  --ember:#E2572B;
  --steel:#6C7E96;
  --sand:#C9C2B4;
  --line-dark:rgba(168,216,232,.18);
  --line-strong:rgba(168,216,232,.34);
  --text-soft:rgba(244,238,223,.78);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Songti SC","Source Han Serif SC","Noto Serif SC",SimSun,Georgia,serif;
  --font-mono:ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --shell:1180px;
  --radius-card:6px;
  --ease:cubic-bezier(.32,.72,.28,1);
}

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(--text-soft);
  background-color:var(--ink-blue);
  background-image:
    radial-gradient(circle at 24% 18%,rgba(168,216,232,.14) 0 1px,transparent 1.6px),
    radial-gradient(circle at 72% 62%,rgba(217,164,65,.12) 0 1px,transparent 1.6px),
    radial-gradient(circle at 42% 88%,rgba(18,179,154,.10) 0 1px,transparent 1.6px);
  background-size:340px 340px,520px 520px,660px 660px;
  background-repeat:repeat;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;}
table{border-collapse:collapse;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
a{color:var(--teal);text-decoration:none;}
a:hover{text-decoration:underline;}
time{font-variant-numeric:tabular-nums;}

:focus-visible{
  outline:2px solid var(--snow);
  outline-offset:3px;
  border-radius:3px;
}

h1{
  font-size:clamp(28px,4.4vw,44px);
  line-height:1.2;
  letter-spacing:.04em;
  font-weight:800;
  color:var(--paper);
}
h2{
  font-size:clamp(22px,3vw,32px);
  line-height:1.25;
  letter-spacing:.04em;
  font-weight:800;
  color:var(--paper);
}
h3{
  font-size:clamp(18px,2.2vw,24px);
  line-height:1.35;
  letter-spacing:.03em;
  font-weight:700;
  color:var(--paper);
}

.kicker{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-serif);
  font-size:14px;
  letter-spacing:.18em;
  color:var(--gold);
}
.kicker::before{
  content:"";
  width:26px;
  height:1px;
  background:var(--gold);
  opacity:.75;
  flex:0 0 auto;
}

.mono{
  font-family:var(--font-mono);
  font-size:14px;
  letter-spacing:.02em;
}

/* ===== 容器与网格 ===== */
.shell{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 24px;
}

.grid{display:grid;gap:24px;}
.grid--halves,.grid--thirds,.grid--split{grid-template-columns:minmax(0,1fr);}

@media (min-width:900px){
  .grid--split{grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:32px;}
  .grid--halves{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid--thirds{grid-template-columns:repeat(3,minmax(0,1fr));}
}

/* ===== 分区与印刷线条 ===== */
.section{
  padding:56px 0;
  border-top:1px solid var(--line-dark);
}
.section-head{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:28px;
}
.divider{
  height:1px;
  border:0;
  margin:24px 0;
  background:linear-gradient(90deg,var(--line-strong),transparent);
}
.skew-band{
  position:relative;
  overflow:hidden;
  padding:40px 0;
  background:linear-gradient(100deg,var(--ink-night),var(--ink-blue) 72%);
  border-top:1px solid var(--line-dark);
  border-bottom:1px solid var(--line-dark);
}
.skew-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(18,179,154,.16),transparent 58%);
  transform:skewY(-6deg);
  transform-origin:left top;
  pointer-events:none;
}

/* ===== 正文 ===== */
.prose{
  max-width:36em;
  font-size:16px;
  line-height:1.8;
  color:rgba(244,238,223,.86);
}
.prose p+p{margin-top:1em;}
.prose h2,.prose h3{margin-top:1.8em;margin-bottom:.6em;}
.prose ul{margin:1em 0;padding-left:1.1em;list-style:none;}
.prose ul li{position:relative;padding-left:14px;margin-bottom:.5em;}
.prose ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:6px;
  height:2px;
  background:var(--teal);
}
.prose strong{color:var(--paper);}

/* ===== 卡片与纸面 ===== */
.card{
  position:relative;
  background:var(--ink-night);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-card);
  padding:20px 22px;
  overflow:hidden;
}
.card::after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:22px;
  height:22px;
  background:linear-gradient(225deg,var(--sand) 0 50%,transparent 50%);
  opacity:.35;
}

.paper{
  background:var(--paper);
  color:var(--ink-brown);
  border:1px solid var(--sand);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:0 20px 40px -32px rgba(0,0,0,.9);
}
.paper h1,.paper h2,.paper h3{color:var(--ink-brown);}
.paper .prose{color:rgba(36,28,24,.86);}
.paper .prose strong{color:var(--ink-brown);}
.paper .kicker{color:var(--gold-ink);}
.paper .kicker::before{background:var(--gold-ink);}
.paper a{color:#0B7A6A;}

.paper--stacked{position:relative;margin-top:8px;margin-right:8px;}
.paper--stacked::before{
  content:"";
  position:absolute;
  inset:0;
  transform:translate(8px,8px);
  background:rgba(201,194,180,.28);
  border:1px solid var(--sand);
  border-radius:var(--radius-card);
  z-index:-1;
}

/* ===== 表格 ===== */
.table-wrap{
  width:100%;
  overflow-x:auto;
  border:1px solid var(--line-dark);
  border-radius:var(--radius-card);
  background:rgba(22,35,63,.6);
}
.data-table{
  width:100%;
  min-width:520px;
  font-size:14px;
}
.data-table caption{
  padding:12px 14px;
  text-align:left;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--steel);
}
.data-table th,.data-table td{
  padding:11px 14px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px dashed var(--line-dark);
}
.data-table thead th{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--snow);
  background:rgba(14,27,51,.7);
  border-bottom:1px solid var(--line-strong);
}
.data-table tbody tr:last-child td{border-bottom:0;}
.data-table .col-num{
  font-family:var(--font-mono);
  color:var(--gold);
  white-space:nowrap;
}
.data-table--paper{color:var(--ink-brown);background:var(--paper);border-color:var(--sand);}
.data-table--paper thead th{background:rgba(201,194,180,.35);color:var(--ink-brown);border-bottom-color:var(--sand);}
.data-table--paper th,.data-table--paper td{border-bottom-color:rgba(201,194,180,.7);}
.data-table--paper .col-num{color:var(--gold-ink);}

/* ===== 标签 ===== */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:2px 9px;
  border-radius:3px;
  border:1px solid transparent;
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.7;
  letter-spacing:.02em;
  white-space:nowrap;
}
.tag--gold{color:var(--gold);background:rgba(217,164,65,.12);border-color:rgba(217,164,65,.42);}
.tag--teal{color:var(--teal);background:rgba(18,179,154,.12);border-color:rgba(18,179,154,.42);}
.tag--ember{color:#F0876A;background:rgba(226,87,43,.14);border-color:rgba(226,87,43,.45);}
.tag--snow{color:var(--snow);background:rgba(168,216,232,.12);border-color:rgba(168,216,232,.4);}
.tag--steel{color:var(--steel);background:rgba(108,126,150,.14);border-color:rgba(108,126,150,.4);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  text-decoration:none;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn--primary{background:var(--gold);color:var(--ink-blue);}
.btn--primary:hover{background:#E8B65A;}
.btn--teal{background:var(--teal);color:#052A24;}
.btn--teal:hover{background:#25C6AD;}
.btn--ghost{color:var(--paper);border-color:var(--line-strong);background:rgba(168,216,232,.06);}
.btn--ghost:hover{background:rgba(168,216,232,.14);border-color:var(--snow);}

/* ===== 面包屑 ===== */
.breadcrumb{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--steel);
}
.breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.breadcrumb-list li{display:flex;align-items:center;gap:8px;}
.breadcrumb-list li+li::before{content:"/";color:rgba(108,126,150,.7);}
.breadcrumb-list a{color:rgba(168,216,232,.85);}
.breadcrumb-list [aria-current="page"]{color:var(--paper);}

/* ===== 图片容器基础规则 ===== */
.figure{
  position:relative;
  margin:0;
  background:var(--ink-night);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:16 / 9;
  filter:saturate(.94) contrast(1.04);
}
.figure--wide img{aspect-ratio:21 / 9;}
.figure--tall img{aspect-ratio:3 / 4;}
.figure--square img{aspect-ratio:1 / 1;}
.figure--paper{background:var(--paper);border-color:var(--sand);}
.figure-caption{
  display:block;
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--steel);
}
.figure-caption--inside{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  margin:0;
  padding:30px 14px 12px;
  background:linear-gradient(180deg,transparent,rgba(14,27,51,.9));
  color:var(--snow);
}

/* ===== 跳转链接 ===== */
.skip-link{
  position:fixed;
  left:16px;
  top:-72px;
  z-index:200;
  padding:10px 18px;
  border-radius:0 0 8px 8px;
  background:var(--gold);
  color:var(--ink-blue);
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:0;text-decoration:none;}

/* ===== 吸顶头部 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding-top:10px;
}
.site-header::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:100%;
  background:linear-gradient(180deg,rgba(14,27,51,.97),rgba(14,27,51,.78) 62%,rgba(14,27,51,0));
  pointer-events:none;
  z-index:0;
}
.site-header .shell{position:relative;z-index:1;}

.progress-rail{
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:3px;
  background:rgba(108,126,150,.22);
  overflow:hidden;
  z-index:2;
}
.progress-bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--teal),var(--snow) 58%,var(--gold));
  transition:width .12s linear;
}

.nav-island{
  position:relative;
  display:flex;
  flex-wrap:nowrap;
  align-items:center;
  gap:12px;
  padding:9px 14px 9px 16px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:rgba(22,35,63,.82);
  -webkit-backdrop-filter:blur(12px) saturate(1.2);
  backdrop-filter:blur(12px) saturate(1.2);
  box-shadow:0 22px 46px -32px rgba(0,0,0,.95),inset 0 1px 0 rgba(244,238,223,.06);
  transition:padding .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header[data-condensed="true"] .nav-island{
  padding:5px 10px 5px 12px;
  box-shadow:0 14px 32px -24px rgba(0,0,0,.95),inset 0 1px 0 rgba(244,238,223,.05);
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding-right:4px;
  text-decoration:none;
}
.brand:hover{text-decoration:none;}
.brand-mark{
  position:relative;
  width:26px;
  height:26px;
  flex:0 0 auto;
  border-radius:50%;
  border:1px solid rgba(217,164,65,.6);
  background:radial-gradient(circle at 32% 30%,rgba(168,216,232,.55),transparent 62%),var(--ink-blue);
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:6px;
  border-radius:50%;
  border:1px dashed rgba(18,179,154,.75);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{
  font-size:16px;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--paper);
}
.brand-sub{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.06em;
  color:var(--steel);
  white-space:nowrap;
}

.primary-nav{margin-left:auto;}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-list a{
  position:relative;
  display:block;
  padding:8px 12px;
  border-radius:999px;
  font-size:15px;
  letter-spacing:.04em;
  color:rgba(244,238,223,.78);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-list a:hover,
.nav-list a:focus-visible{
  color:#fff;
  background:rgba(168,216,232,.12);
  text-decoration:none;
}
.nav-list a[aria-current="page"]{
  color:var(--teal);
  background:rgba(18,179,154,.12);
}
.nav-list a[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:4px;
  height:4px;
  margin-left:-2px;
  border-radius:50%;
  background:var(--teal);
}

.nav-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid rgba(217,164,65,.38);
  background:rgba(217,164,65,.1);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--gold);
  white-space:nowrap;
  text-decoration:none;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.nav-status:hover{
  background:rgba(217,164,65,.18);
  border-color:rgba(217,164,65,.6);
  text-decoration:none;
}
.status-dot{
  width:6px;
  height:6px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--teal);
  animation:pulse-dot 2.6s var(--ease) infinite;
}
.status-time{color:#F0C874;}

@keyframes pulse-dot{
  0%{box-shadow:0 0 0 0 rgba(18,179,154,.55);}
  70%{box-shadow:0 0 0 8px rgba(18,179,154,0);}
  100%{box-shadow:0 0 0 0 rgba(18,179,154,0);}
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  padding:7px 13px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--paper);
  font-size:14px;
  letter-spacing:.04em;
}
.nav-toggle:hover{background:rgba(168,216,232,.12);}
.nav-toggle-bars{
  display:grid;
  gap:3px;
  width:16px;
}
.nav-toggle-bars i{
  display:block;
  height:1.5px;
  border-radius:2px;
  background:currentColor;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1){transform:translateY(4.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3){transform:translateY(-4.5px) rotate(-45deg);}

@media (max-width:1080px){
  .nav-island{
    flex-wrap:wrap;
    border-radius:26px;
    padding:10px 12px;
  }
  .site-header[data-condensed="true"] .nav-island{padding:9px 12px;}
  .nav-toggle{display:inline-flex;margin-left:0;}
  .nav-status{margin-left:auto;font-size:11.5px;}
  .primary-nav{
    display:none;
    order:10;
    flex-basis:100%;
    width:100%;
    margin:8px 0 2px;
    padding-top:8px;
    border-top:1px solid var(--line-dark);
    max-height:min(62vh,420px);
    overflow-y:auto;
  }
  .primary-nav[data-open]{display:block;}
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .nav-list a{
    padding:11px 14px;
    border-radius:10px;
    font-size:16px;
  }
  .nav-list a[aria-current="page"]::after{
    left:auto;
    right:16px;
    top:50%;
    bottom:auto;
    margin:-2px 0 0;
  }
}

@media (max-width:600px){
  .brand-sub{display:none;}
  .status-label{display:none;}
  .nav-status{padding:5px 9px;}
  .nav-toggle-label{display:none;}
}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;
  margin-top:72px;
  background:var(--ink-blue);
  border-top:1px solid var(--line-strong);
  color:rgba(244,238,223,.7);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.9;
  background-image:
    radial-gradient(circle at 16% 20%,rgba(168,216,232,.45) 0 1px,transparent 1.6px),
    radial-gradient(circle at 62% 12%,rgba(168,216,232,.32) 0 1px,transparent 1.6px),
    radial-gradient(circle at 84% 48%,rgba(217,164,65,.42) 0 1px,transparent 1.6px),
    radial-gradient(circle at 34% 70%,rgba(168,216,232,.28) 0 1px,transparent 1.6px),
    radial-gradient(circle at 8% 86%,rgba(18,179,154,.34) 0 1px,transparent 1.6px);
}
.footer-inner{
  position:relative;
  z-index:1;
  padding-top:56px;
  padding-bottom:26px;
}

.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:32px;
}
@media (min-width:760px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
}

.footer-brand-name{
  font-size:17px;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--paper);
}
.footer-tagline{
  margin-top:10px;
  max-width:34ch;
  font-family:var(--font-serif);
  font-size:14.5px;
  line-height:1.7;
  letter-spacing:.04em;
  color:var(--snow);
}
.footer-region{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:16px;
  padding:4px 10px;
  border-radius:3px;
  border:1px dashed rgba(168,216,232,.35);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--snow);
}

.footer-group{min-width:0;}
.footer-group-title{
  position:relative;
  margin-bottom:14px;
  padding-left:14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--gold);
}
.footer-group-title::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:6px;
  height:6px;
  margin-top:-3px;
  background:var(--gold);
  transform:rotate(45deg);
}
.footer-links li+li{margin-top:9px;}
.footer-links a{
  display:inline-block;
  font-size:14.5px;
  color:rgba(244,238,223,.74);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.footer-links a:hover{
  color:var(--teal);
  padding-left:4px;
  text-decoration:none;
}

.footer-meta{
  display:grid;
  gap:16px;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line-dark);
}
@media (min-width:900px){
  .footer-meta{grid-template-columns:1.5fr 1fr;gap:32px;}
}
.footer-contact-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
  font-family:var(--font-mono);
  font-size:13px;
  color:rgba(244,238,223,.82);
}
.footer-contact-list li{display:flex;align-items:center;gap:8px;}
.footer-contact-list .key{color:var(--steel);}
.footer-note{
  font-size:13px;
  line-height:1.7;
  color:rgba(108,126,150,.95);
}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 22px;
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--line-dark);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--steel);
}

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