:root{
  --c-deep:#0B1F33;
  --c-cabin:#122A42;
  --c-orange:#FF6B35;
  --c-mint:#2FD3A8;
  --c-amber:#FFB454;
  --c-mist:#F2F5F7;
  --c-steel:#7C8FA3;
  --c-border:#2A4763;
  --c-text:#EAF1F6;
  --c-error:#E5534B;

  --font-display:"Barlow Condensed","Arial Narrow","Noto Sans SC","Source Han Sans SC","PingFang SC",system-ui,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Noto Sans SC",monospace;

  --radius-lg:28px;
  --radius:20px;
  --radius-sm:12px;
  --radius-pill:999px;

  --gutter:clamp(16px,3vw,40px);
  --maxw:1280px;
  --ease:cubic-bezier(.22,.68,.28,1);
  --dur:180ms;
  --shadow-panel:0 24px 48px -38px rgba(0,0,0,.95);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:110px}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote,dl,dd{margin:0}
ul[class],ol[class]{list-style:none;padding:0}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse}

:where(a,button,summary,[tabindex],input,textarea,select):focus-visible{
  outline:2px solid var(--c-orange);
  outline-offset:3px;
  border-radius:8px;
}

body{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  color:var(--c-text);
  background-color:var(--c-deep);
  background-image:
    linear-gradient(180deg,rgba(18,42,66,.62),rgba(11,31,51,0) 520px),
    repeating-linear-gradient(90deg,rgba(42,71,99,.32) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(0deg,rgba(42,71,99,.26) 0 1px,transparent 1px 96px);
  -webkit-font-smoothing:antialiased;
}
#main-content{flex:1 0 auto;display:block}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.1;letter-spacing:-.01em}
h1{font-size:clamp(40px,6vw,96px);line-height:1.02}
h2{font-size:clamp(26px,3.4vw,40px)}
h3{font-size:clamp(18px,2vw,24px);letter-spacing:0;line-height:1.25}
h4{font-size:17px;letter-spacing:.01em}

/* ------- 通用工具 ------- */
.mono{font-family:var(--font-mono);font-size:.94em;letter-spacing:.02em;font-feature-settings:"tnum" 1}
.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}
.stack > * + *{margin-top:var(--stack,1rem)}
.divider{height:1px;background:var(--c-border);border:0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--c-mint)}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;flex:0 0 auto}
.lead{font-size:clamp(16px,1.6vw,19px);line-height:1.7;color:rgba(234,241,246,.82);max-width:62ch}
.annotation{writing-mode:vertical-rl;font-family:var(--font-mono);font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--c-steel)}

/* ------- 布局容器 ------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(28px,4vw,56px)}
.section__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:clamp(16px,2.4vw,28px)}
.section-title{font-size:clamp(26px,3.4vw,40px)}

.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(12px,1.6vw,20px)}
.bento > *{grid-column:span 12;min-width:0}
.span-3,.span-4,.span-6,.span-8,.span-12{grid-column:span 12}
@media (min-width:720px){
  .span-3,.span-4,.span-6{grid-column:span 6}
  .span-8,.span-12{grid-column:span 12}
}
@media (min-width:1024px){
  .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-12{grid-column:span 12}
}

/* ------- 卡片 / 标签 / 状态 ------- */
.card{
  background:var(--c-cabin);
  border:1px solid var(--c-border);
  border-radius:var(--radius);
  padding:clamp(18px,2.4vw,28px);
  box-shadow:var(--shadow-panel);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(124,143,163,.75);box-shadow:0 26px 46px -34px rgba(0,0,0,.95)}
.card--light{background:var(--c-mist);color:#0B1F33;border-color:#d9e2e9}
.card--light .card__label{color:#5b7080}
.card--light .lead,.card--light .prose{color:#2c4257}
.card__label{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-steel)}
.card__title{margin-top:8px;font-family:var(--font-display);font-size:clamp(20px,2.2vw,26px);line-height:1.2}

.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-pill);border:1px solid rgba(124,143,163,.4);background:rgba(124,143,163,.14);color:#cfdae4;font-size:11.5px;font-weight:600;letter-spacing:.02em}
.tag--orange{background:rgba(255,107,53,.14);border-color:rgba(255,107,53,.42);color:#ffb89e}
.tag--mint{background:rgba(47,211,168,.13);border-color:rgba(47,211,168,.4);color:#93f0d8}
.tag--amber{background:rgba(255,180,84,.13);border-color:rgba(255,180,84,.4);color:#ffd5a2}

.status{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(234,241,246,.86)}
.status__dot{width:8px;height:8px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(47,211,168,.18);flex:0 0 auto}
.status--alert .status__dot{background:var(--c-orange);box-shadow:0 0 0 3px rgba(255,107,53,.18)}
.status--wait .status__dot{background:var(--c-amber);box-shadow:0 0 0 3px rgba(255,180,84,.18)}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:14.5px;font-weight:600;letter-spacing:.01em;line-height:1.2;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn--primary{background:var(--c-orange);color:#0B1F33;box-shadow:0 12px 26px -18px rgba(255,107,53,.95)}
.btn--primary:hover{background:#ff8556;transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--c-text);border-color:var(--c-border)}
.btn--ghost:hover{background:rgba(255,107,53,.08);border-color:rgba(255,107,53,.6);color:#fff;transform:translateY(-2px)}
.btn--sm{padding:8px 14px;font-size:13.5px}
.btn--block{display:flex;width:100%}

/* ------- 跳转链接 ------- */
.skip-link{
  position:fixed;top:10px;left:50%;z-index:300;
  transform:translate(-50%,-160%);
  padding:10px 18px;border-radius:var(--radius-pill);
  background:var(--c-orange);color:#0B1F33;
  font-size:14px;font-weight:700;
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:translate(-50%,0)}

/* ------- 头部框式导航 ------- */
.site-header{
  position:sticky;top:0;z-index:90;
  padding:12px var(--gutter) 2px;
  background:linear-gradient(180deg,rgba(11,31,51,.96),rgba(11,31,51,.72) 68%,rgba(11,31,51,0));
  backdrop-filter:blur(8px);
}
.site-header__bar{
  position:relative;
  max-width:var(--maxw);margin-inline:auto;
  display:flex;align-items:center;gap:clamp(10px,1.6vw,24px);
  padding:10px 12px 10px 14px;
  background-color:var(--c-cabin);
  background-image:repeating-linear-gradient(90deg,rgba(42,71,99,.45) 0 1px,transparent 1px 48px);
  border:1px solid var(--c-border);
  border-radius:22px;
  box-shadow:0 20px 42px -32px rgba(0,0,0,.95),inset 0 1px 0 rgba(234,241,246,.07);
}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;padding:4px 6px;border-radius:14px}
.brand__mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--c-orange),#ff9166);
  color:#08192a;font-family:var(--font-mono);font-weight:700;font-size:12.5px;letter-spacing:.04em;
  box-shadow:inset 0 0 0 1px rgba(11,31,51,.28);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-family:var(--font-display);font-weight:800;font-size:19px;letter-spacing:.02em}
.brand__note{font-family:var(--font-mono);font-size:10px;letter-spacing:.15em;color:var(--c-steel)}

.nav-toggle{display:none;align-items:center;gap:8px;margin-left:auto;padding:8px 12px;border:1px solid var(--c-border);border-radius:var(--radius-pill);color:var(--c-text);font-size:13px;font-weight:600;transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease)}
.nav-toggle:hover{border-color:rgba(255,107,53,.6);background:rgba(255,107,53,.08)}
.nav-toggle__icon{display:grid;gap:4px;width:18px}
.nav-toggle__bar{display:block;height:2px;width:100%;border-radius:2px;background:currentColor;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle__label{letter-spacing:.04em}
.site-header[data-open="true"] .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.site-header[data-open="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.site-header[data-open="true"] .nav-toggle{border-color:rgba(255,107,53,.65);background:rgba(255,107,53,.12)}

.site-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.site-nav__list{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.site-nav__link{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 12px;border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:14px;font-weight:500;line-height:1.3;color:rgba(234,241,246,.78);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.site-nav__link:hover{background:rgba(234,241,246,.07);border-color:var(--c-border);color:#fff;transform:translateY(-2px)}
.site-nav__link[aria-current="page"]{color:#fff;background:rgba(255,107,53,.15);border-color:rgba(255,107,53,.55)}
.site-nav__link[aria-current="page"]::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-orange);box-shadow:0 0 0 3px rgba(255,107,53,.18);flex:0 0 auto}
.site-nav__note{display:none;font-size:12px;color:var(--c-steel);letter-spacing:.02em}

.header-utility{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:4px}
.version-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:var(--radius-pill);
  background:rgba(47,211,168,.1);border:1px solid rgba(47,211,168,.4);
  font-size:12px;white-space:nowrap;
}
.version-pill__dot{width:7px;height:7px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(47,211,168,.16);flex:0 0 auto}
.version-pill__label{color:var(--c-mint);font-weight:600}
.version-pill__value{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.02em;color:rgba(234,241,246,.85)}

.scroll-progress{position:absolute;left:14px;right:14px;bottom:0;height:2px;pointer-events:none;overflow:hidden;border-radius:2px}
.scroll-progress__bar{display:block;width:100%;height:100%;border-radius:2px;background:linear-gradient(90deg,var(--c-orange),var(--c-amber));transform:scaleX(0);transform-origin:0 50%}

/* ------- 页脚 ------- */
.site-footer{margin-top:clamp(48px,7vw,96px);padding:0 var(--gutter) clamp(16px,2vw,24px)}
.site-footer__inner{
  position:relative;overflow:hidden;
  max-width:var(--maxw);margin-inline:auto;
  padding:clamp(24px,3.4vw,44px);
  background:linear-gradient(180deg,var(--c-cabin),#0d2136);
  border:1px solid var(--c-border);
  border-radius:26px;
  box-shadow:var(--shadow-panel);
}
.footer-mark{
  position:absolute;right:-14px;bottom:-34px;
  font-family:var(--font-mono);font-weight:700;
  font-size:clamp(90px,15vw,190px);line-height:.8;letter-spacing:-.05em;
  color:rgba(234,241,246,.035);pointer-events:none;user-select:none;
}
.footer-grid{position:relative;display:grid;grid-template-columns:1fr;gap:clamp(24px,3vw,44px)}
.footer-brand{display:flex;flex-direction:column;gap:12px}
.footer-brand .brand{padding:0}
.footer-brand__line{font-size:13.5px;line-height:1.65;color:var(--c-steel);max-width:32ch}
.footer-brand__line .mono{color:var(--c-mint)}
.footer-col{min-width:0}
.footer-col__title{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--c-steel);margin-bottom:12px}
.footer-list{display:grid;gap:8px}
.footer-list__link{display:inline-flex;align-items:center;gap:8px;padding:2px 0;font-size:14.5px;color:rgba(234,241,246,.76);border-bottom:1px solid transparent;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.footer-list__link:hover{color:#fff;border-bottom-color:rgba(255,107,53,.65)}
.footer-contact{display:grid;gap:10px}
.footer-contact__item{display:grid;gap:2px}
.footer-contact__label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-steel)}
.footer-contact__value{font-size:13.5px;line-height:1.5;color:var(--c-text);word-break:break-word}
.footer-note{margin-top:14px;font-size:12.5px;line-height:1.6;color:var(--c-steel);max-width:34ch}
.footer-legal{
  position:relative;
  margin-top:clamp(22px,3vw,34px);padding-top:16px;
  border-top:1px solid var(--c-border);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 20px;
  font-size:12.5px;color:var(--c-steel);
}
.footer-legal__icp{font-family:var(--font-mono);letter-spacing:.04em}
.footer-legal__meta{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center}

/* ------- 面包屑 ------- */
.breadcrumbs{padding-block:10px}
.breadcrumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-family:var(--font-mono);font-size:12.5px;color:var(--c-steel)}
.breadcrumbs__item{display:flex;align-items:center;gap:6px}
.breadcrumbs__link{color:rgba(234,241,246,.7);transition:color var(--dur) var(--ease)}
.breadcrumbs__link:hover{color:var(--c-orange)}
.breadcrumbs__sep{color:rgba(124,143,163,.7)}

/* ------- 正文容器 ------- */
.prose{max-width:68ch;font-size:16.5px;line-height:1.75;color:rgba(234,241,246,.86)}
.prose > * + *{margin-top:1em}
.prose h2,.prose h3{margin-top:1.7em}
.prose ul,.prose ol{list-style:disc;padding-left:1.2em}
.prose li + li{margin-top:.4em}
.prose a{color:var(--c-orange);text-decoration:underline;text-underline-offset:3px}
.card--light .prose a{color:#c2451c}

/* ------- 图片容器（页面阶段放占位图） ------- */
.media-frame{
  position:relative;display:grid;place-items:center;
  width:100%;aspect-ratio:16/10;
  border:1px solid var(--c-border);
  border-radius:var(--radius);
  overflow:hidden;
  background-color:#0d2337;
  background-image:repeating-linear-gradient(45deg,rgba(42,71,99,.4) 0 1px,transparent 1px 14px);
}
.media-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.media-frame__label{padding:12px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-steel);text-align:center}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--panel{aspect-ratio:3/2}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:4/5}

/* ------- 表格 ------- */
.table-wrap{overflow-x:auto;border:1px solid var(--c-border);border-radius:var(--radius);background:var(--c-cabin)}
.data-table{width:100%;min-width:560px;font-size:14px}
.data-table th,.data-table td{padding:12px 16px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(42,71,99,.75)}
.data-table thead th{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--c-steel);background:rgba(11,31,51,.55)}
.data-table tbody tr:nth-child(even){background:rgba(11,31,51,.35)}
.data-table tbody tr:hover{background:rgba(255,107,53,.07)}
.data-table tbody tr:last-child td{border-bottom:0}

/* ------- 显现动效（JS 协议） ------- */
.has-js [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity 420ms var(--ease),transform 420ms var(--ease)}
.has-js [data-reveal].is-revealed{opacity:1;transform:none}

/* ------- 平板 ------- */
@media (min-width:640px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:900px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:clamp(20px,2.6vw,40px)}
}

/* ------- 移动导航（≤1080px） ------- */
@media (max-width:1080px){
  .site-header{padding:10px var(--gutter) 2px}
  .site-header__bar{padding:8px 10px;border-radius:18px;flex-wrap:wrap}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;left:0;right:0;top:calc(100% + 8px);
    display:none;flex-direction:column;align-items:stretch;gap:0;margin-left:0;
    padding:10px;
    max-height:calc(100vh - 140px);overflow-y:auto;
    background:var(--c-cabin);
    border:1px solid var(--c-border);
    border-radius:20px;
    box-shadow:0 30px 60px -40px rgba(0,0,0,1);
    z-index:95;
  }
  .site-header[data-open="true"] .site-nav{display:flex}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:2px;width:100%}
  .site-nav__link{padding:12px 14px;border-radius:14px;font-size:15px;width:100%}
  .site-nav__link:hover{transform:none}
  .site-nav__note{display:block;margin-top:8px;padding:10px 14px 4px;border-top:1px solid var(--c-border)}
  .header-utility{margin-left:0;order:4}
}
@media (max-width:980px){
  .version-pill{display:none}
}
@media (max-width:600px){
  .header-utility{display:none}
  .brand__note{display:none}
  .site-header__bar{padding:8px 10px 8px 8px}
}

/* ------- 桌面导航显式声明 ------- */
@media (min-width:1081px){
  .nav-toggle{display:none}
  .site-nav{display:flex;margin-left:auto}
  .site-nav__note{display:none}
}

/* ------- 页面画框竖线（大屏） ------- */
@media (min-width:1200px){
  body::before,body::after{
    content:"";position:fixed;top:0;bottom:0;width:1px;z-index:1;pointer-events:none;
    background:linear-gradient(180deg,transparent,rgba(42,71,99,.9) 14%,rgba(42,71,99,.9) 86%,transparent);
  }
  body::before{left:10px}
  body::after{right:10px}
}

/* ------- 减动画 ------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .has-js [data-reveal]{opacity:1 !important;transform:none !important}
  .scroll-progress__bar{transition:none !important}
  .card:hover,.btn:hover,.site-nav__link:hover{transform:none}
}