:root{
  --ink:#0B2A22;
  --ink-deep:#08201A;
  --coal:#111517;
  --paper:#E8DFC9;
  --frost:#D9E6E2;
  --lime:#C7FF3D;
  --orange:#FF6B2C;
  --fir:#1E5A46;
  --ice:#6E8D88;
  --amber:#8A4B22;
  --white:#F7FBF7;
  --font-display:"Barlow Condensed","Oswald","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --rail-w:56px;
  --bar-h:66px;
  --status-h:30px;
  --cut:14px;
  --edge:rgba(217,230,226,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--frost);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img,svg,video,canvas{display:block;max-width:100%}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
a{color:var(--lime);text-decoration:none}
a:hover{color:var(--white)}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.04;
  letter-spacing:.01em;
  margin:0 0 .5em;
  color:var(--white);
  text-wrap:balance;
}
h1{font-size:clamp(38px,7vw,96px)}
h2{font-size:clamp(26px,4vw,52px)}
h3{font-size:clamp(20px,2.4vw,28px)}
h4{font-size:clamp(17px,1.8vw,21px)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
strong{color:var(--white);font-weight:700}

/* ---------- 工具与容器 ---------- */
.wrap{width:100%;max-width:1280px;margin-inline:auto;padding-inline:clamp(16px,4vw,48px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;color:var(--lime);
  margin:0 0 14px;
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(12px,2vw,24px)}
.panel-cut{
  background:var(--coal);
  color:var(--frost);
  border:1px solid var(--edge);
  padding:clamp(18px,3vw,28px);
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px));
}
.tag-plate{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;
  padding:5px 9px;
  background:rgba(199,255,61,.12);
  color:var(--lime);
  border:1px solid rgba(199,255,61,.35);
}
.tag-plate--orange{background:rgba(255,107,44,.14);color:var(--orange);border-color:rgba(255,107,44,.42)}
.tag-plate--ice{background:rgba(217,230,226,.08);color:var(--frost);border-color:rgba(217,230,226,.3)}
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--font-body);font-size:15px;font-weight:700;line-height:1;
  padding:14px 22px;
  background:var(--lime);color:var(--ink);
  border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{background:var(--white);color:var(--ink);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--frost);border-color:rgba(217,230,226,.38)}
.btn--ghost:hover{background:rgba(199,255,61,.12);color:var(--lime);border-color:var(--lime)}
.btn--orange{background:var(--orange);color:var(--coal)}
.btn--orange:hover{background:var(--white);color:var(--coal)}
.breadcrumbs{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--ice);margin:0 0 18px}
.breadcrumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs__item{display:flex;align-items:center;gap:8px}
.breadcrumbs__item+.breadcrumbs__item::before{content:"/";color:var(--fir)}
.breadcrumbs__link{color:var(--frost)}
.breadcrumbs__link:hover{color:var(--lime)}
.breadcrumbs__current{color:var(--lime)}
.prose{
  background:var(--paper);
  color:var(--coal);
  padding:clamp(22px,4vw,48px);
  max-width:74ch;
  border-left:5px solid var(--lime);
  font-size:16.5px;
  line-height:1.85;
}
.prose h2,.prose h3,.prose h4{color:var(--ink)}
.prose a{color:var(--amber);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--ink)}
.prose .eyebrow{color:var(--fir)}
.prose strong{color:var(--ink)}
.prose ul,.prose ol{list-style:disc;padding-left:1.3em;margin:0 0 1em}
.prose li{margin-bottom:.4em}
.media-16x9{
  position:relative;display:block;width:100%;
  aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,var(--fir),var(--ink-deep));
}
.media-16x9>img,.media-16x9>video{width:100%;height:100%;object-fit:cover}
.media-16x9__badge{
  position:absolute;inset-inline-start:0;top:0;
  background:var(--orange);color:var(--coal);
  font-family:var(--font-mono);font-size:11px;font-weight:600;
  letter-spacing:.1em;padding:4px 9px;
}
.media-16x9__veil{
  position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,42,34,0) 42%,rgba(11,42,34,.86));
}
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 clamp(18px,3vw,28px)}
.filter-chip{
  appearance:none;cursor:pointer;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  padding:8px 14px;
  background:rgba(217,230,226,.06);
  color:var(--frost);
  border:1px solid rgba(217,230,226,.22);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.filter-chip:hover{background:rgba(199,255,61,.14);color:var(--lime);border-color:var(--lime)}
.filter-chip[aria-pressed="true"],.filter-chip.is-active{
  background:var(--lime);color:var(--ink);border-color:var(--lime);font-weight:600;
}
[data-filter-item].is-filtered-out{display:none}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  padding:12px 18px;
  background:var(--lime);color:var(--ink);
  font-weight:700;font-size:14px;
  text-decoration:none;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
  transform:translateY(-180%);
  transition:transform .18s ease;
}
.skip-link:focus{transform:translateY(0);color:var(--ink)}

/* ---------- 滚动进度 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:96;
  background:rgba(217,230,226,.08);pointer-events:none;
}
.scroll-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lime),var(--orange));
  transition:transform .1s linear;
}

/* ---------- 头部框架 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,rgba(8,32,26,.99),rgba(11,42,34,.97));
  border-bottom:1px solid var(--edge);
  color:var(--frost);
}
.header-status{
  display:flex;align-items:center;gap:10px;
  height:var(--status-h);
  padding:0 clamp(16px,3vw,32px);
  background:var(--coal);
  border-bottom:1px solid rgba(217,230,226,.08);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--ice);
  white-space:nowrap;overflow:hidden;
}
.header-status__dot{
  width:8px;height:8px;flex:0 0 8px;border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(199,255,61,.18);
}
.header-status__text{color:var(--frost);overflow:hidden;text-overflow:ellipsis}
.header-status__tag{margin-left:auto;color:var(--lime);letter-spacing:.18em}
.header-bar{
  display:flex;align-items:center;gap:clamp(12px,2vw,26px);
  min-height:var(--bar-h);
  padding:10px clamp(16px,3vw,32px);
}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--white)}
.brand:hover{color:var(--white)}
.brand__mark{
  display:grid;place-items:center;
  width:40px;height:40px;flex:0 0 40px;
  background:var(--lime);color:var(--ink);
  font-family:var(--font-display);font-weight:800;font-size:19px;letter-spacing:.02em;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%);
}
.brand__text{display:grid;gap:2px;line-height:1.1}
.brand__name{font-family:var(--font-display);font-size:21px;font-weight:800;letter-spacing:.05em}
.brand__sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:var(--ice);text-transform:uppercase}
.primary-nav{display:flex;flex:1;justify-content:flex-end;margin-left:auto}
.primary-nav__list{display:flex;align-items:center;gap:2px;counter-reset:navitem}
.primary-nav__item{counter-increment:navitem}
.primary-nav__link{
  display:block;padding:9px 12px;
  color:var(--frost);font-size:14.5px;font-weight:500;letter-spacing:.02em;
  text-decoration:none;
  transition:color .18s ease,background .18s ease;
}
.primary-nav__link:hover{color:var(--lime);background:rgba(199,255,61,.09)}
.primary-nav__link[aria-current="page"]{
  background:var(--lime);color:var(--ink);font-weight:700;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%);
}
.header-cta{
  display:inline-flex;align-items:center;gap:.45em;
  padding:11px 18px;
  background:var(--orange);color:var(--coal);
  font-size:14px;font-weight:700;line-height:1;white-space:nowrap;
  text-decoration:none;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%);
  transition:background .18s ease,transform .18s ease;
}
.header-cta::after{content:"→";font-family:var(--font-mono);font-size:13px}
.header-cta:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px)}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  background:transparent;border:1px solid rgba(217,230,226,.32);
  color:var(--frost);padding:9px 11px;cursor:pointer;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle__bars span{display:block;height:2px;background:currentColor;transition:transform .2s ease,opacity .2s ease}
.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){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- 左侧轮次刻度轨 ---------- */
.round-rail{display:none}
.round-rail__label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.34em;
  color:var(--lime);writing-mode:vertical-rl;
}
.round-rail__ticks{
  flex:1;width:100%;margin:16px 0;
  background-image:repeating-linear-gradient(180deg,rgba(217,230,226,.34) 0 1px,transparent 1px 22px);
  background-repeat:repeat-y;background-position:center top;
  background-size:16px 100%;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  background:var(--coal);color:var(--frost);
  padding:clamp(36px,6vw,72px) clamp(16px,4vw,48px) 0;
  margin-top:clamp(48px,7vw,96px);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--lime) 0 22%,var(--orange) 22% 34%,var(--fir) 34% 100%);
}
.site-footer::after{
  content:"2026";
  position:absolute;right:-.06em;bottom:38px;
  font-family:var(--font-display);font-weight:800;line-height:.78;
  font-size:clamp(120px,22vw,280px);
  color:rgba(199,255,61,.05);
  pointer-events:none;user-select:none;
}
.footer-top{
  position:relative;z-index:1;
  max-width:1240px;margin-inline:auto;
  display:grid;grid-template-columns:minmax(230px,1fr) 2.1fr;
  gap:clamp(28px,4vw,60px);
}
.footer-brand__mark{
  display:grid;place-items:center;
  width:46px;height:46px;
  background:var(--orange);color:var(--coal);
  font-family:var(--font-display);font-weight:800;font-size:21px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
}
.footer-brand__name{
  font-family:var(--font-display);font-size:26px;font-weight:800;letter-spacing:.05em;
  color:var(--white);margin:14px 0 8px;
}
.footer-brand__tagline{font-size:14px;line-height:1.75;color:var(--ice);max-width:30ch;margin:0 0 12px}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,36px)}
.footer-col__title{
  font-family:var(--font-mono);font-size:11.5px;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;
  color:var(--lime);margin:0 0 14px;
}
.footer-links{display:grid;gap:10px}
.footer-link{
  color:var(--frost);font-size:15px;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer-link:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-link--inline{
  color:var(--lime);text-decoration:underline;text-underline-offset:3px;
  text-decoration-color:rgba(199,255,61,.5);margin-left:.2em;
}
.footer-contact{display:grid;gap:12px}
.footer-contact__row{display:grid;gap:2px}
.footer-contact__label{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;
  color:var(--ice);text-transform:uppercase;
}
.footer-contact__value{
  font-family:var(--font-mono);font-size:13.5px;color:var(--white);
  word-break:break-word;line-height:1.6;
}
.footer-note{font-size:13px;line-height:1.75;color:var(--ice);margin:14px 0 0;max-width:42ch}
.footer-bottom{
  position:relative;z-index:1;
  max-width:1240px;margin:clamp(28px,4vw,48px) auto 0;
  padding:18px 0 26px;
  border-top:1px solid rgba(217,230,226,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 22px;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;color:var(--ice);
}
.footer-bottom__copy{margin:0}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px}
.footer-legal__link{color:var(--frost);text-decoration:none}
.footer-legal__link:hover{color:var(--lime)}
.footer-icp{margin:0;color:var(--ice)}

/* ---------- 显现动效 ---------- */
[data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .46s ease,transform .46s cubic-bezier(.22,.61,.36,1);
}
[data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 平板 ---------- */
@media (max-width:1100px){
  .primary-nav__link{padding:8px 9px;font-size:13.5px}
  .brand__sub{display:none}
}
@media (max-width:980px){
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-col--contact{grid-column:1/-1}
}
@media (max-width:900px){
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr}
}

/* ---------- 移动框架条 ---------- */
@media (max-width:920px){
  body{padding-bottom:78px}
  .site-header{
    position:fixed;top:auto;bottom:0;left:0;right:0;z-index:80;
    border-bottom:0;border-top:1px solid rgba(199,255,61,.38);
    background:var(--ink-deep);
  }
  .header-status{display:none}
  .header-bar{
    position:relative;z-index:12;
    min-height:66px;padding:8px 12px;gap:10px;
    background:var(--ink-deep);
  }
  .brand__mark{width:34px;height:34px;flex:0 0 34px;font-size:16px}
  .brand__name{font-size:16px;letter-spacing:.03em}
  .header-cta{margin-left:auto;font-size:12.5px;padding:9px 12px;gap:0}
  .header-cta::after{display:none}
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:10;
    display:flex;flex-direction:column;justify-content:center;
    margin:0;padding:76px 24px 118px;
    background:linear-gradient(160deg,var(--ink) 0%,var(--coal) 100%);
    overflow-y:auto;
    transform:translateY(100%);opacity:0;visibility:hidden;
    transition:transform .34s cubic-bezier(.3,.8,.3,1),opacity .26s ease,visibility .26s ease;
  }
  .site-header[data-open="true"] .primary-nav{transform:translateY(0);opacity:1;visibility:visible}
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .primary-nav__item{border-bottom:1px solid rgba(217,230,226,.12)}
  .primary-nav__link{
    display:flex;align-items:baseline;gap:14px;width:100%;
    padding:15px 4px;
    background:none;
    font-family:var(--font-display);font-size:clamp(22px,6.4vw,32px);
    font-weight:700;letter-spacing:.02em;color:var(--frost);
    clip-path:none;
  }
  .primary-nav__link::before{
    content:"0" counter(navitem);
    font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;
    color:var(--lime);
  }
  .primary-nav__link:hover{background:none;color:var(--lime)}
  .primary-nav__link[aria-current="page"]{
    background:none;color:var(--lime);clip-path:none;
  }
  .site-footer::after{display:none}
}

/* ---------- 手机 ---------- */
@media (max-width:600px){
  .grid-12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-cols{grid-template-columns:1fr;gap:26px}
  .footer-col--contact{grid-column:auto}
  .footer-bottom{justify-content:flex-start;font-size:11.5px}
  .prose{font-size:16px;line-height:1.8}
  .header-status__tag{display:none}
}

/* ---------- 桌面刻度轨 ---------- */
@media (min-width:1200px){
  body{padding-left:var(--rail-w)}
  .round-rail{
    display:flex;flex-direction:column;align-items:center;justify-content:space-between;
    position:fixed;left:0;top:0;bottom:0;width:var(--rail-w);z-index:70;
    padding:18px 0 22px;
    background:linear-gradient(180deg,var(--coal),var(--ink-deep));
    border-right:1px solid rgba(199,255,61,.18);
    pointer-events:none;
  }
}

/* ---------- 可访问性 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  [data-reveal]{opacity:1;transform:none}
  .scroll-progress__bar{transition:none}
  .btn:hover,.header-cta:hover{transform:none}
}