:root{
  --ink:#06131F;
  --panel:#0B1D2E;
  --steel:#35526B;
  --neon:#26F5D0;
  --lime:#7CFF9B;
  --amber:#FFC46B;
  --orange:#FF8A3D;
  --mist:#DCE8F2;
  --mute:#8FA8BD;
  --alert:#FF5C7A;
  --line:rgba(53,82,107,.58);
  --line-soft:rgba(53,82,107,.32);
  --font-display:"Arial Narrow","Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --bar-h:64px;
  --rail-w:216px;
  --radius:18px;
  --radius-sm:12px;
  --gutter:clamp(16px,3vw,32px);
  --shadow:0 18px 44px rgba(0,0,0,.36);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--bar-h);
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(880px 520px at 84% -10%,rgba(38,245,208,.11),transparent 70%),
    radial-gradient(720px 520px at 6% 6%,rgba(255,138,61,.08),transparent 72%);
  color:var(--mist);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{max-width:100%;display:block}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{list-style:none;padding:0}
a{color:inherit}
button{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.14;letter-spacing:-.01em;color:#fff}
h1{font-size:clamp(32px,5.2vw,60px)}
h2{font-size:clamp(26px,3.6vw,38px)}
h3{font-size:clamp(20px,2.2vw,26px)}
h4{font-size:clamp(17px,1.6vw,19px)}

:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:8px}
::selection{background:rgba(38,245,208,.32);color:#fff}

/* ========== 工具类 ========== */
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.wrap{width:100%;max-width:1180px;margin-inline:auto;padding-inline:var(--gutter)}
.section{position:relative;overflow:clip}
.stack>*+*{margin-top:clamp(12px,1.6vw,20px)}
.note{font-size:13.5px;line-height:1.7;color:var(--mute)}
.is-hidden{display:none !important}
.divider{height:1px;border:0;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:clamp(24px,4vw,44px) 0}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--neon);
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--neon);border-radius:2px}
.eyebrow--amber{color:var(--amber)}
.eyebrow--amber::before{background:var(--amber)}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:999px;border:1px solid transparent;
  font-family:var(--font-body);font-size:15px;font-weight:600;line-height:1.1;
  text-decoration:none;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--neon);color:#04141a;box-shadow:0 0 0 1px rgba(38,245,208,.4)}
.btn--primary:hover{background:#5dfadf}
.btn--subscribe{background:linear-gradient(135deg,var(--orange),var(--amber));color:#221002;box-shadow:0 8px 22px rgba(255,138,61,.22)}
.btn--subscribe:hover{box-shadow:0 10px 26px rgba(255,138,61,.34)}
.btn--ghost{background:transparent;border-color:var(--steel);color:var(--mist)}
.btn--ghost:hover{border-color:var(--neon);color:#fff;background:rgba(38,245,208,.08)}
.btn--sm{padding:9px 15px;font-size:13.5px}
.btn--block{width:100%}

/* ========== 标签 ========== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  border:1px solid var(--steel);background:rgba(53,82,107,.18);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--mute);
  white-space:nowrap;
}
.tag--neon{background:rgba(38,245,208,.16);border-color:rgba(38,245,208,.5);color:var(--neon)}
.tag--lime{background:rgba(124,255,155,.14);border-color:rgba(124,255,155,.45);color:var(--lime)}
.tag--amber{background:rgba(255,196,107,.14);border-color:rgba(255,196,107,.45);color:var(--amber)}
.tag--alert{background:rgba(255,92,122,.12);border-color:rgba(255,92,122,.5);color:var(--alert)}

/* ========== 堆叠面板 ========== */
.panel{
  position:relative;
  background:linear-gradient(180deg,rgba(11,29,46,.94),rgba(8,22,37,.94));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(18px,3vw,34px);
}
.panel--open{background:rgba(11,29,46,.35);border-style:dashed}
.panel--tint{background:linear-gradient(140deg,rgba(53,82,107,.28),rgba(8,22,37,.9))}
.panel--neon{border-color:rgba(38,245,208,.36);box-shadow:inset 0 0 0 1px rgba(38,245,208,.06)}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:clamp(14px,2vw,20px)}
.panel-title{font-family:var(--font-display);font-weight:700;font-size:clamp(18px,2vw,22px);color:#fff;letter-spacing:.01em}

/* ========== 数据锚点 ========== */
.stat{display:flex;flex-direction:column;gap:6px}
.stat__num{
  font-family:var(--font-mono);font-weight:600;line-height:1;
  font-size:clamp(30px,4.6vw,52px);letter-spacing:-.03em;color:var(--neon);
}
.stat__num--lime{color:var(--lime)}
.stat__num--orange{color:var(--orange)}
.stat__num--mist{color:var(--mist)}
.stat__label{font-size:13px;color:var(--mute);letter-spacing:.02em}

/* ========== 网格 ========== */
.grid{display:grid;gap:clamp(14px,2.2vw,24px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid--aside{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
@media (max-width:900px){.grid--aside{grid-template-columns:1fr}}

/* ========== 正文容器 ========== */
.prose{max-width:68ch}
.prose>*+*{margin-top:1.05em}
.prose p,.prose li{line-height:1.78;color:var(--mist)}
.prose h2{margin-top:1.7em}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{padding-left:0}
.prose ul li{position:relative;padding-left:20px}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--neon);border-radius:2px}
.prose ol{counter-reset:step}
.prose ol li{position:relative;padding-left:32px;counter-increment:step}
.prose ol li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:.15em;
  font-family:var(--font-mono);font-size:13px;color:var(--neon);
}
.prose a{color:var(--neon);text-decoration:underline;text-underline-offset:3px}

/* ========== 面包屑 ========== */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12.5px;color:var(--mute)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--steel)}
.crumb a{text-decoration:none;color:var(--mute)}
.crumb a:hover{color:var(--neon)}
.crumb [aria-current="page"]{color:var(--mist)}

/* ========== 筛选 ========== */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.filter-bar__label{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--steel);margin-right:4px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line);background:rgba(53,82,107,.16);
  font-family:var(--font-mono);font-size:13px;color:var(--mist);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{border-color:var(--neon);color:#fff}
.chip[aria-pressed="true"]{background:var(--neon);border-color:var(--neon);color:#04141a}
.filter-count{font-family:var(--font-mono);font-size:13px;color:var(--mute)}
.filter-item{transition:opacity .2s ease}

/* ========== 图片容器 ========== */
.media{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(150deg,#0B1D2E,#06131F 68%);
  aspect-ratio:16/10;
}
.media>*{width:100%;height:100%;object-fit:cover}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(38,245,208,.055) 0 1px,transparent 1px 5px);
  mix-blend-mode:screen;
}
.media--wide{aspect-ratio:21/9}
.media--board{aspect-ratio:16/9}
.media--square{aspect-ratio:1/1}
.media--portrait{aspect-ratio:3/4}
.media__label{
  position:absolute;left:12px;bottom:12px;z-index:1;
  padding:4px 10px;border-radius:999px;
  background:rgba(6,19,31,.78);border:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:11.5px;color:var(--mist);letter-spacing:.04em;
}

/* ========== 有机色块 ========== */
.blob{position:absolute;pointer-events:none;z-index:0;border-radius:58% 42% 47% 53%/52% 48% 52% 48%;opacity:.55}
.blob--neon{background:radial-gradient(circle at 35% 35%,rgba(38,245,208,.36),transparent 68%)}
.blob--orange{background:radial-gradient(circle at 62% 42%,rgba(255,138,61,.32),transparent 70%)}

/* ========== 跳转链接 ========== */
.skip-link{
  position:fixed;left:14px;top:-72px;z-index:95;
  padding:11px 18px;border-radius:12px;
  background:var(--neon);color:#04141a;font-weight:600;font-size:14px;text-decoration:none;
  transition:top .18s ease;
}
.skip-link:focus{top:12px}

/* ========== 头部框架 ========== */
.site-frame{position:relative;z-index:60}
.frame-bar{
  position:fixed;top:0;left:0;right:0;height:var(--bar-h);z-index:62;
  display:flex;align-items:center;gap:clamp(12px,2vw,24px);
  padding:0 clamp(14px,2.6vw,28px);
  background:linear-gradient(180deg,rgba(6,19,31,.98),rgba(11,29,46,.93));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.frame-bar__status{
  margin-left:auto;font-size:12px;letter-spacing:.12em;color:var(--mute);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}
.brand__glyph{
  flex:0 0 auto;width:38px;height:38px;display:grid;place-items:center;
  border-radius:12px;
  background:radial-gradient(circle at 32% 24%,rgba(38,245,208,.95),rgba(38,245,208,.2) 72%);
  box-shadow:inset 0 0 0 1px rgba(38,245,208,.45);
  color:#03161c;font-family:var(--font-display);font-weight:700;font-size:18px;line-height:1;
}
.brand__text{display:block;min-width:0}
.brand__name{display:block;font-family:var(--font-display);font-weight:700;font-size:19px;line-height:1.2;letter-spacing:.04em;color:#fff}
.brand__tag{display:block;font-size:11.5px;line-height:1.5;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.nav-toggle{
  display:none;align-items:center;gap:10px;margin-left:auto;
  padding:9px 15px;border-radius:999px;cursor:pointer;
  background:rgba(53,82,107,.2);border:1px solid var(--line);color:var(--mist);
  font-size:14px;
}
.nav-toggle:hover{border-color:var(--neon)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars i{display:block;height:2px;border-radius:2px;background:var(--neon);transition:transform .2s ease,opacity .2s ease}
.site-frame[data-open="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-frame[data-open="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.site-frame[data-open="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.frame-progress{
  position:fixed;left:0;right:0;top:calc(var(--bar-h) - 2px);height:2px;z-index:63;
  background:rgba(53,82,107,.35);
}
.frame-progress__fill{
  display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--neon),var(--lime) 58%,var(--orange));
}

.frame-rail{
  position:fixed;top:var(--bar-h);left:0;bottom:0;width:var(--rail-w);z-index:61;
  display:flex;flex-direction:column;gap:16px;
  padding:22px 16px 20px;
  background:linear-gradient(180deg,#08182a,#06131F 62%);
  border-right:1px solid var(--line);
  overflow-y:auto;scrollbar-width:thin;
}
.frame-rail__title{
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--steel);
  border-bottom:1px dashed var(--line-soft);padding-bottom:10px;
}
.rail-nav{display:flex;flex-direction:column;gap:4px}
.rail-nav__item{display:block}
.rail-nav__link{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  border:1px solid transparent;text-decoration:none;
  color:var(--mist);font-size:15px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.rail-nav__link:hover{background:rgba(38,245,208,.08);color:#fff}
.rail-nav__link[aria-current="page"]{
  background:rgba(38,245,208,.13);
  border-color:rgba(38,245,208,.42);
  color:#fff;
}
.rail-nav__idx{font-size:11.5px;color:var(--neon);letter-spacing:.08em}
.rail-nav__link[aria-current="page"] .rail-nav__idx{color:var(--lime)}
.frame-rail__foot{
  margin-top:auto;display:flex;flex-direction:column;gap:10px;
  padding-top:16px;border-top:1px dashed var(--line-soft);
}
.frame-rail__note{font-size:12.5px;line-height:1.65;color:var(--mute)}
.frame-scrim{display:none}

@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
  .nav-toggle{display:none}
}
@media (min-width:1024px) and (max-width:1279px){
  :root{--rail-w:186px}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .frame-rail{
    width:min(86vw,330px);
    transform:translateX(-104%);
    transition:transform .24s ease;
    box-shadow:24px 0 48px rgba(0,0,0,.45);
  }
  .site-frame[data-open="true"] .frame-rail{transform:translateX(0)}
  .frame-scrim{
    display:block;position:fixed;top:var(--bar-h);left:0;right:0;bottom:0;z-index:60;
    background:rgba(3,9,15,.68);
    opacity:0;visibility:hidden;
    transition:opacity .22s ease,visibility .22s ease;
  }
  .site-frame[data-open="true"] .frame-scrim{opacity:1;visibility:visible}
  body.is-frame-open{overflow:hidden}
}
@media (max-width:720px){
  .brand__tag{display:none}
  .frame-bar__status{display:none}
}
@media (max-width:520px){
  .nav-toggle__text{display:none}
}

/* ========== 页脚 ========== */
.site-foot{
  margin-top:clamp(48px,8vw,96px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,29,46,.9),rgba(4,12,20,.99));
}
.foot-inner{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1.5fr) minmax(0,1fr);
  gap:clamp(20px,3vw,36px);
  padding-top:clamp(30px,5vw,56px);
  padding-bottom:clamp(24px,3.4vw,40px);
}
.foot-brand{display:flex;flex-direction:column;gap:12px}
.brand--foot .brand__glyph{width:32px;height:32px;border-radius:10px;font-size:16px}
.brand--foot .brand__name{font-size:17px}
.foot-brand__line{font-size:14px;line-height:1.72;color:var(--mist);max-width:34ch}
.foot-brand__note{font-size:12px;letter-spacing:.14em;color:var(--steel)}
.foot-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(14px,2vw,22px)}
.foot-col__title{
  font-size:11.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--neon);margin-bottom:12px;
}
.foot-list{display:flex;flex-direction:column;gap:9px}
.foot-list a{
  font-size:14.5px;color:var(--mist);text-decoration:none;
  transition:color .2s ease;
}
.foot-list a:hover{color:var(--neon)}
.foot-contact{display:flex;flex-direction:column;gap:8px}
.foot-contact__line{font-size:13.5px;line-height:1.7;color:var(--mist);word-break:break-word}
.foot-contact__note{font-size:12.5px;line-height:1.7;color:var(--mute)}
.foot-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;padding-bottom:20px;
  border-top:1px solid var(--line-soft);
}
.foot-base__icp,.foot-base__copy{font-size:12.5px;color:var(--mute)}
.foot-base__icp{letter-spacing:.06em}

@media (max-width:980px){
  .foot-inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .foot-brand{grid-column:1/-1}
  .foot-contact{grid-column:1/-1}
}
@media (max-width:580px){
  .foot-inner{grid-template-columns:minmax(0,1fr)}
  .foot-nav{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .foot-brand__line{max-width:none}
}

/* ========== 显现动效 ========== */
html[data-reveal-ready] [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .5s ease,transform .5s ease;
}
html[data-reveal-ready] [data-reveal].is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto}
  html[data-reveal-ready] [data-reveal]{opacity:1;transform:none}
}