:root{
  --c-bg:#0B1424;
  --c-rail:#101D33;
  --c-green:#2FBF71;
  --c-orange:#FF8A3D;
  --c-cyan:#38E1C6;
  --c-muted:#8A97A8;
  --c-ink:#E8EEF7;
  --c-wine:#7A2E4A;
  --c-indigo:#4B3F9E;
  --c-shadow:#050A12;
  --c-line:rgba(138,151,168,.22);
  --c-line-strong:rgba(232,238,247,.16);
  --c-glass:rgba(16,29,51,.74);
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:var(--font-display);
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --rail-w:220px;
  --content-max:1180px;
  --shell-max:1440px;
  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;
  --header-h:68px;
  --shadow-1:0 24px 50px -30px rgba(5,10,18,.95);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:130px}
body{
  margin:0;min-height:100vh;overflow-x:hidden;
  background-color:var(--c-bg);
  background-image:
    radial-gradient(1100px 620px at 84% -8%,rgba(75,63,158,.30),transparent 62%),
    radial-gradient(900px 520px at 2% 4%,rgba(47,191,113,.12),transparent 58%),
    repeating-linear-gradient(90deg,rgba(138,151,168,.045) 0 1px,transparent 1px 104px);
  background-attachment:fixed;
  color:var(--c-ink);
  font-family:var(--font-body);
  font-size:17px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--c-cyan);text-underline-offset:3px}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.2em}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--c-ink);line-height:1.14;letter-spacing:-.015em;margin:0 0 .55em;font-weight:800}
h1{font-size:clamp(2.5rem,6vw,5rem);font-weight:900;letter-spacing:-.035em}
h2{font-size:clamp(1.7rem,3.2vw,2.6rem)}
h3{font-size:clamp(1.2rem,1.9vw,1.55rem);font-weight:700}
strong{font-weight:800;color:var(--c-ink)}
::selection{background:rgba(56,225,198,.32);color:#04161a}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px}
.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}
.skip-link{
  position:absolute;left:14px;top:-70px;z-index:200;
  padding:.72em 1.1em;background:var(--c-cyan);color:#04161a;
  font-weight:800;font-size:.88rem;text-decoration:none;border-radius:0 0 10px 10px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0}

/* ---------- 头部命令栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:linear-gradient(180deg,rgba(16,29,51,.95),rgba(11,20,36,.88));
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 26px 48px -34px rgba(5,10,18,1);
}
.site-header::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--c-green),var(--c-cyan) 38%,var(--c-orange) 72%,var(--c-indigo));
}
.scroll-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;overflow:hidden;pointer-events:none}
.scroll-progress-bar{
  display:block;width:100%;height:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--c-green),var(--c-cyan),var(--c-orange));
  transition:transform .12s linear;
}
.header-inner{
  position:relative;display:flex;align-items:center;gap:clamp(12px,2vw,26px);
  max-width:var(--shell-max);margin:0 auto;min-height:var(--header-h);
  padding:10px clamp(14px,3vw,32px);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  display:grid;place-items:center;flex:none;width:34px;height:34px;
  background:linear-gradient(135deg,var(--c-green),var(--c-cyan));
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.brand-mark-dot{width:9px;height:9px;border-radius:50%;background:var(--c-shadow);box-shadow:0 0 0 3px rgba(11,20,36,.55)}
.brand-copy{display:flex;flex-direction:column;line-height:1.15}
.brand-name{color:var(--c-ink);font-weight:900;font-size:1.06rem;letter-spacing:.03em;text-decoration:none}
.brand-name:hover{color:var(--c-cyan)}
.brand-line{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.22em;color:var(--c-muted)}
.nav-toggle{
  display:none;align-items:center;gap:9px;margin-left:auto;
  padding:.52em .82em;cursor:pointer;
  background:rgba(232,238,247,.06);border:1px solid rgba(232,238,247,.18);
  border-radius:10px;color:var(--c-ink);
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.16em;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(232,238,247,.12)}
.nav-toggle.is-active{background:rgba(56,225,198,.16);border-color:rgba(56,225,198,.42)}
.nav-toggle-bars{display:flex;flex-direction:column;gap:3px}
.nav-toggle-bars i{display:block;width:16px;height:2px;background:var(--c-cyan);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.site-header[data-open="true"] .nav-toggle-bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle-bars i:nth-child(2){opacity:0}
.site-header[data-open="true"] .nav-toggle-bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.primary-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-link{
  position:relative;display:inline-flex;align-items:baseline;gap:.45em;
  padding:.55em .7em;border-radius:10px;text-decoration:none;
  color:var(--c-muted);font-size:.86rem;font-weight:600;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-index{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.08em;color:rgba(138,151,168,.72)}
.nav-link:hover{color:var(--c-ink);background:rgba(232,238,247,.07)}
.nav-link[aria-current="page"]{color:var(--c-ink);background:rgba(47,191,113,.14);box-shadow:inset 0 0 0 1px rgba(47,191,113,.34)}
.nav-link[aria-current="page"] .nav-index{color:var(--c-green)}
.nav-link[aria-current="page"]::after{
  content:"";position:absolute;left:.7em;right:.7em;bottom:.22em;height:2px;
  background:linear-gradient(90deg,var(--c-green),var(--c-cyan));
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.status-strip{border-top:1px solid rgba(138,151,168,.16);background:linear-gradient(90deg,rgba(16,29,51,.9),rgba(11,20,36,.92))}
.status-track{
  display:flex;align-items:center;gap:clamp(14px,3vw,34px);
  max-width:var(--shell-max);margin:0 auto;padding:7px clamp(14px,3vw,32px);
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.status-track::-webkit-scrollbar{display:none}
.status-item{
  display:inline-flex;align-items:center;gap:.5em;white-space:nowrap;
  font-family:var(--font-mono);font-size:.67rem;letter-spacing:.06em;color:var(--c-muted);
}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--c-cyan);flex:none}
.status-dot--green{background:var(--c-green)}
.status-dot--orange{background:var(--c-orange)}
.status-dot--cyan{background:var(--c-cyan);animation:dot-pulse 1.2s ease-out 1}
@keyframes dot-pulse{
  0%{box-shadow:0 0 0 0 rgba(56,225,198,.55)}
  100%{box-shadow:0 0 0 10px rgba(56,225,198,0)}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font-body);font-weight:700;font-size:.9rem;letter-spacing:.02em;
  padding:.72em 1.18em;border-radius:999px;border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--c-orange);color:#1B1108}
.btn-primary:hover{background:#FF9C5C}
.btn-ghost{background:rgba(232,238,247,.06);color:var(--c-ink);border-color:rgba(232,238,247,.2)}
.btn-ghost:hover{background:rgba(56,225,198,.14);border-color:rgba(56,225,198,.42)}
.btn-sm{font-size:.78rem;padding:.55em .92em}

/* ---------- 正文骨架 ---------- */
.container{width:100%;max-width:var(--content-max);margin-inline:auto;padding-inline:clamp(16px,3.4vw,32px)}
.section{padding-block:clamp(34px,6vw,72px)}
.section-head{display:grid;gap:.55em;margin-bottom:clamp(18px,3vw,32px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.26em;
  color:var(--c-cyan);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--c-green),var(--c-cyan))}
.lead{max-width:62ch;font-size:clamp(1rem,1.4vw,1.16rem);line-height:1.85;color:#B6C3D2}
.title-slant{display:inline-block;transform:skewX(-2deg)}
.divider{height:1px;border:0;margin-block:clamp(22px,4vw,44px);background:linear-gradient(90deg,transparent,rgba(138,151,168,.4),transparent)}
.grid{display:grid;gap:clamp(16px,2.6vw,30px);grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.layout-split{display:grid;gap:clamp(20px,3vw,40px);grid-template-columns:minmax(0,1fr)}
.layout-aside{display:grid;gap:18px;align-content:start}
@media (min-width:1000px){
  .layout-split{grid-template-columns:minmax(0,8fr) minmax(0,3fr)}
}
.panel{
  position:relative;padding:clamp(18px,2.6vw,28px);
  background:linear-gradient(160deg,rgba(16,29,51,.94),rgba(11,20,36,.9));
  border:1px solid var(--c-line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);
}
.panel-glass{
  background:var(--c-glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--c-line-strong);border-radius:var(--radius-l);
  box-shadow:var(--shadow-1);
}
.panel--wine{background:linear-gradient(145deg,rgba(122,46,74,.95),rgba(122,46,74,.4));border-color:rgba(242,185,204,.25)}
.panel--indigo{background:linear-gradient(145deg,rgba(75,63,158,.95),rgba(75,63,158,.38));border-color:rgba(185,178,245,.25)}
.tag{
  display:inline-flex;align-items:center;gap:.42em;
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;
  padding:.34em .72em;border-radius:999px;border:1px solid transparent;
}
.tag--green{color:var(--c-green);border-color:rgba(47,191,113,.45);background:rgba(47,191,113,.12)}
.tag--orange{color:var(--c-orange);border-color:rgba(255,138,61,.45);background:rgba(255,138,61,.12)}
.tag--indigo{color:#B9B2F5;border-color:rgba(75,63,158,.65);background:rgba(75,63,158,.36)}
.tag--wine{color:#F2B9CC;border-color:rgba(122,46,74,.75);background:rgba(122,46,74,.42)}
.data-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;color:var(--c-cyan)}
.breadcrumbs{padding-block:18px}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.5em;list-style:none;margin:0;padding:0;font-family:var(--font-mono);font-size:.72rem;color:var(--c-muted)}
.breadcrumbs li+li::before{content:"/";margin-right:.5em;color:rgba(138,151,168,.5)}
.breadcrumbs a{color:var(--c-muted);text-decoration:none}
.breadcrumbs a:hover{color:var(--c-cyan)}
.media-frame{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16/9;border-radius:var(--radius);border:1px solid var(--c-line);
  background:linear-gradient(150deg,rgba(16,29,51,.95),rgba(5,10,18,.95));
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:44%;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(5,10,18,.74));
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-caption{margin-top:.6em;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;color:var(--c-muted)}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 侧边品牌轨道 ---------- */
.page-shell{display:block}
.brand-rail{display:none}
@media (min-width:1080px){
  .page-shell{
    display:grid;grid-template-columns:var(--rail-w) minmax(0,1fr);
    gap:clamp(24px,3vw,48px);max-width:var(--shell-max);margin-inline:auto;
    padding-inline:clamp(16px,3vw,32px);
  }
  .brand-rail{
    display:block;position:sticky;top:132px;align-self:start;
    padding:22px 18px;border:1px solid var(--c-line);border-radius:var(--radius-l);
    background:linear-gradient(180deg,rgba(16,29,51,.92),rgba(16,29,51,.42));
    box-shadow:var(--shadow-1);
  }
  .brand-rail::before{
    content:"";display:block;width:34px;height:3px;margin-bottom:14px;
    background:linear-gradient(90deg,var(--c-green),var(--c-cyan));
  }
}
.rail-title{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--c-cyan);margin:0 0 .9em}
.rail-list{list-style:none;margin:0;padding:0;display:grid;gap:.3em}
.rail-link{
  display:flex;align-items:baseline;gap:.6em;padding:.5em .55em;border-radius:9px;
  color:var(--c-muted);font-size:.88rem;text-decoration:none;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.rail-link:hover{background:rgba(232,238,247,.06);color:var(--c-ink)}
.rail-link[aria-current="page"]{background:rgba(56,225,198,.12);color:var(--c-ink);box-shadow:inset 2px 0 0 0 var(--c-cyan)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:clamp(56px,9vw,120px);overflow:hidden;
  background:linear-gradient(180deg,rgba(16,29,51,.98),rgba(5,10,18,.99));
  border-top:1px solid var(--c-line);color:var(--c-muted);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:6px;opacity:.88;
  background:linear-gradient(90deg,var(--c-wine),var(--c-indigo) 34%,var(--c-green) 68%,var(--c-orange));
}
.footer-glow{
  position:absolute;right:-12%;top:-45%;width:540px;height:540px;pointer-events:none;
  background:radial-gradient(circle,rgba(75,63,158,.36),transparent 68%);
}
.footer-inner{position:relative;max-width:var(--shell-max);margin:0 auto;padding:clamp(40px,6vw,74px) clamp(16px,3vw,32px) clamp(28px,4vw,46px)}
.footer-grid{display:grid;gap:clamp(26px,4vw,56px);grid-template-columns:minmax(0,1fr)}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start}
.footer-mark{
  width:30px;height:30px;margin-bottom:14px;
  background:linear-gradient(135deg,var(--c-orange),var(--c-wine));
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
}
.footer-brand-name{margin:0 0 .35em;color:var(--c-ink);font-size:1.42rem;font-weight:900;letter-spacing:.04em}
.footer-statement{max-width:36ch;margin:0 0 1.2em;font-size:.92rem;color:var(--c-muted)}
.footer-nav-title{
  margin:0 0 1em;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.24em;
  text-transform:uppercase;color:var(--c-cyan);
}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:.55em}
.footer-link{
  color:var(--c-muted);font-size:.92rem;text-decoration:none;
  border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-link:hover{color:var(--c-ink);border-color:var(--c-green)}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:.75em;font-family:var(--font-mono);font-size:.82rem}
.contact-item{display:grid;gap:.16em}
.contact-key{font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(138,151,168,.72)}
.contact-value{color:var(--c-ink);word-break:break-word}
.contact-note{
  margin:1em 0 0;padding-left:.85em;font-size:.78rem;line-height:1.7;color:var(--c-muted);
  border-left:2px solid var(--c-indigo);
}
.copy-btn{
  align-self:flex-start;margin-top:1em;cursor:pointer;
  padding:.5em .9em;border-radius:999px;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;
  background:rgba(56,225,198,.12);color:var(--c-cyan);border:1px solid rgba(56,225,198,.36);
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.copy-btn:hover{background:rgba(56,225,198,.24)}
.copy-btn.is-done{background:rgba(47,191,113,.22);color:var(--c-green);border-color:rgba(47,191,113,.5)}
.footer-bottom{position:relative;border-top:1px solid rgba(138,151,168,.16);background:rgba(5,10,18,.62)}
.footer-bottom-inner{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 26px;
  max-width:var(--shell-max);margin:0 auto;padding:16px clamp(16px,3vw,32px);
}
.footer-legal{margin:0;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;color:rgba(138,151,168,.85)}

/* ---------- 响应式 ---------- */
@media (min-width:720px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1080px){
  .footer-grid{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1.1fr)}
}
@media (max-width:999px){
  html{scroll-padding-top:112px}
  .nav-toggle{display:inline-flex}
  .header-actions{display:none}
  .primary-nav{
    position:absolute;left:0;right:0;top:100%;display:none;margin:0;
    padding:10px clamp(14px,4vw,22px) 18px;overflow:auto;max-height:calc(100vh - 118px);
    background:rgba(8,15,28,.97);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  }
  .site-header[data-open="true"] .primary-nav{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-item{border-bottom:1px dashed rgba(138,151,168,.18)}
  .nav-item:last-child{border-bottom:0}
  .nav-link{display:flex;width:100%;padding:.9em .2em;font-size:.98rem;border-radius:8px}
  .nav-link[aria-current="page"]{
    background:linear-gradient(90deg,rgba(47,191,113,.2),transparent);
    box-shadow:inset 3px 0 0 0 var(--c-green);
  }
  .nav-link[aria-current="page"]::after{display:none}
}
@media (max-width:560px){
  body{font-size:16px}
  .brand-line{display:none}
  .nav-toggle-label{display:none}
  .footer-bottom-inner{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .reveal{opacity:1;transform:none}
  .btn:hover{transform:none}
}