:root{
  --ink:#070A12;
  --panel:#0E1524;
  --cyan:#22E6D3;
  --magenta:#FF3D8B;
  --amber:#FF9A3C;
  --text:#E8EDF7;
  --muted:#8A94AD;
  --glass:rgba(120,180,255,.12);
  --teal-deep:#0B5C58;
  --magenta-deep:#5C1030;
  --line:rgba(232,237,247,.12);
  --line-soft:rgba(232,237,247,.07);
  --maxw:1280px;
  --pad:clamp(16px,4vw,40px);
  --radius:14px;
  --radius-sm:9px;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"DejaVu Sans Mono","Courier New",monospace;
  --ease:cubic-bezier(.2,.7,.25,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(70% 45% at 6% -6%,rgba(34,230,211,.14),transparent 62%),
    radial-gradient(58% 42% at 98% 2%,rgba(255,61,139,.14),transparent 64%),
    radial-gradient(70% 38% at 50% 104%,rgba(255,154,60,.08),transparent 68%);
  background-repeat:no-repeat;
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;font-weight:900;line-height:1.15;letter-spacing:-.02em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
dl,dd,dt{margin:0;}
img,svg{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:3px;}
#main-content{display:block;scroll-margin-top:110px;}

/* ===== 通用排版与布局工具 ===== */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad);}
.mono{font-family:var(--font-mono);}
.num{font-family:var(--font-mono);font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);}
.lede{font-size:clamp(16px,1.4vw,19px);line-height:1.8;color:rgba(232,237,247,.86);max-width:66ch;}
.rule{height:1px;border:0;margin:0;background:linear-gradient(90deg,rgba(34,230,211,.7),rgba(255,61,139,.35) 55%,transparent);}
.section-head{display:grid;gap:10px;margin-bottom:clamp(18px,2.4vw,32px);}
.section-head__title{font-size:clamp(22px,2.6vw,34px);font-weight:900;}
.section-head__note{font-size:14px;color:var(--muted);max-width:64ch;}
.grid{display:grid;gap:clamp(16px,2vw,28px);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--editorial{grid-template-columns:minmax(0,2.4fr) minmax(0,1fr);}

/* ===== 容器层 ===== */
.glass{
  background:var(--glass);
  border:1px solid rgba(232,237,247,.14);
  border-radius:var(--radius);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.panel{
  position:relative;
  background:var(--panel);
  border:1px solid rgba(232,237,247,.09);
  border-radius:var(--radius);
  padding:clamp(18px,2.4vw,28px);
}
.panel--accent::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--cyan),var(--magenta));
}
.panel__head{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 14px;margin-bottom:14px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{
  color:var(--ink);
  background:linear-gradient(120deg,var(--cyan),var(--magenta));
  box-shadow:0 12px 30px -16px rgba(34,230,211,.95);
}
.btn--primary:hover{transform:translateY(-1px);box-shadow:0 16px 36px -16px rgba(255,61,139,.9);}
.btn--ghost{
  color:var(--cyan);
  border-color:rgba(34,230,211,.45);
  background:rgba(120,180,255,.08);
}
.btn--ghost:hover{background:rgba(34,230,211,.14);border-color:var(--cyan);}

/* ===== 标签 ===== */
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:4px 11px;border-radius:99px;
  border:1px solid rgba(232,237,247,.16);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--muted);
}
.tag__dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto;}
.tag--cyan{color:var(--cyan);border-color:rgba(34,230,211,.5);background:rgba(34,230,211,.08);}
.tag--magenta{color:var(--magenta);border-color:rgba(255,61,139,.5);background:rgba(255,61,139,.08);}
.tag--amber{color:var(--amber);border-color:rgba(255,154,60,.5);background:rgba(255,154,60,.08);}

/* ===== 图片位 ===== */
.media{
  position:relative;display:block;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius);
  background-color:var(--panel);
  background-image:
    radial-gradient(120% 85% at 12% 8%,rgba(34,230,211,.22),transparent 60%),
    radial-gradient(120% 90% at 88% 92%,rgba(255,61,139,.20),transparent 62%),
    radial-gradient(90% 70% at 60% 60%,rgba(255,154,60,.10),transparent 70%);
}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 35%,rgba(34,230,211,.16) 48%,transparent 62%);
  animation:media-sheen 9s linear infinite;
}
.media > img{width:100%;height:100%;object-fit:cover;display:block;}
.media--wide{aspect-ratio:16/9;}
.media--tall{aspect-ratio:3/4;}
.media--square{aspect-ratio:1/1;}
@keyframes media-sheen{
  0%{transform:translateX(-30%);opacity:.25;}
  50%{opacity:.55;}
  100%{transform:translateX(30%);opacity:.25;}
}

/* ===== 数据条 ===== */
.data-bar{
  position:relative;height:8px;border-radius:99px;overflow:hidden;
  background-color:var(--teal-deep);
}
.data-bar__fill{
  display:block;height:100%;width:var(--val,0%);border-radius:99px;
  background:linear-gradient(90deg,var(--cyan),var(--magenta) 78%,var(--magenta-deep));
  box-shadow:0 0 18px -2px rgba(34,230,211,.85);
  transition:width .4s var(--ease);
}

/* ===== 面包屑 ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;color:var(--muted);letter-spacing:.04em;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{content:"/";color:rgba(138,148,173,.5);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb [aria-current="page"]{color:var(--text);}

/* ===== 标签页 ===== */
.tablist{
  display:flex;flex-wrap:wrap;gap:6px;padding:5px;
  border:1px solid var(--line);border-radius:12px;background:rgba(14,21,36,.6);
}
.tab{
  padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600;color:var(--muted);
  transition:color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.tab:hover{color:var(--text);background:rgba(120,180,255,.10);}
.tab[aria-selected="true"]{color:var(--ink);background:linear-gradient(120deg,var(--cyan),var(--magenta));}
.tabpanel{padding-top:20px;}
.tabpanel[hidden]{display:none;}

/* ===== 显现动效 ===== */
.has-js [data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.has-js [data-reveal].is-visible{opacity:1;transform:none;}

/* ===== 跳至主要内容 ===== */
.skip-link{
  position:absolute;top:8px;left:8px;z-index:140;
  padding:10px 16px;border-radius:8px;
  background:var(--cyan);color:var(--ink);
  font-size:14px;font-weight:700;
  transform:translateY(-180%);
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:translateY(0);}

/* ===== 头部 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,18,.84);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.cmd-strip{
  border-bottom:1px solid var(--line-soft);
  background:linear-gradient(90deg,rgba(255,61,139,.12),rgba(34,230,211,.12) 52%,rgba(255,154,60,.12));
}
.cmd-strip__inner{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);
  height:30px;display:flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--muted);
}
.cmd-strip__dot{
  width:7px;height:7px;border-radius:50%;flex:0 0 auto;
  background:var(--cyan);box-shadow:0 0 10px var(--cyan);
  animation:pulse-dot 2.6s ease-in-out infinite;
}
.cmd-strip__text{color:rgba(232,237,247,.82);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.cmd-strip__meta{margin-left:auto;white-space:nowrap;color:var(--amber);}
@keyframes pulse-dot{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.35;transform:scale(.72);}
}
.cmd-bar__inner{
  position:relative;
  max-width:var(--maxw);margin:0 auto;padding:9px var(--pad);
  min-height:66px;display:flex;align-items:center;gap:18px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;min-width:0;}
.brand__mark{
  width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:10px;font-family:var(--font-mono);font-size:14px;font-weight:700;letter-spacing:.06em;
  color:var(--ink);
  background:linear-gradient(135deg,var(--cyan),var(--magenta));
  box-shadow:0 0 0 1px rgba(34,230,211,.35),0 10px 24px -14px rgba(34,230,211,.95);
}
.brand__text{display:flex;flex-direction:column;line-height:1.28;min-width:0;}
.brand__name{font-size:17px;font-weight:900;letter-spacing:.02em;color:var(--text);}
.brand__tag{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;color:var(--muted);}
.site-nav{flex:1 1 auto;min-width:0;}
.site-nav__list{
  display:flex;align-items:center;gap:4px;padding:2px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.site-nav__list::-webkit-scrollbar{display:none;}
.site-nav__link{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:999px;border:1px solid transparent;
  white-space:nowrap;font-size:14px;font-weight:600;color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-nav__link:hover{
  color:var(--text);
  border-color:rgba(34,230,211,.35);
  background:rgba(120,180,255,.10);
}
.site-nav__idx{font-family:var(--font-mono);font-size:10px;font-weight:500;color:rgba(138,148,173,.65);}
.site-nav__link[aria-current="page"]{
  color:var(--cyan);
  border-color:var(--cyan);
  background:rgba(34,230,211,.10);
  box-shadow:0 0 20px -8px rgba(34,230,211,.95);
}
.site-nav__link[aria-current="page"] .site-nav__idx{color:var(--amber);}
.site-nav__link[aria-current="page"]::after{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--magenta);box-shadow:0 0 10px var(--magenta);
}
.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:8px 12px;border:1px solid rgba(34,230,211,.35);border-radius:9px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--text);
}
.nav-toggle__bars{display:grid;gap:4px;width:18px;flex:0 0 auto;}
.nav-toggle__bars span{display:block;height:2px;border-radius:2px;background:var(--cyan);transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) 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(-6px) rotate(-45deg);}
.cmd-bar__cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:9px 17px;border-radius:9px;
  font-size:14px;font-weight:700;color:var(--ink);
  background:linear-gradient(120deg,var(--cyan),var(--magenta));
  box-shadow:0 12px 28px -16px rgba(34,230,211,.95);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.cmd-bar__cta:hover{transform:translateY(-1px);filter:saturate(1.12) brightness(1.06);box-shadow:0 16px 34px -16px rgba(255,61,139,.9);}
.scroll-progress{
  position:absolute;left:0;bottom:-1px;width:100%;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--magenta) 68%,var(--amber));
  box-shadow:0 0 12px rgba(34,230,211,.75);
}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,110px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(14,21,36,.75),rgba(7,10,18,.97));
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan) 18%,var(--magenta) 55%,var(--amber) 82%,transparent);
  opacity:.75;
}
.site-footer__grid{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(32px,5vw,64px) var(--pad) clamp(24px,3vw,40px);
  display:grid;gap:clamp(24px,3.5vw,48px);
  grid-template-columns:1.6fr 1fr 1.15fr 1.35fr;
}
.foot-brand__mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:9px;
  font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--ink);
  background:linear-gradient(135deg,var(--cyan),var(--magenta));
  margin-bottom:12px;
}
.foot-brand__name{font-size:17px;font-weight:900;letter-spacing:.02em;}
.foot-brand__line{margin-top:8px;font-size:13.5px;line-height:1.8;color:var(--muted);max-width:38ch;}
.foot-brand__meta{margin-top:16px;display:grid;gap:7px;font-size:12.5px;color:rgba(232,237,247,.78);}
.foot-brand__meta li{display:flex;gap:9px;align-items:baseline;}
.foot-brand__key{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;
  color:var(--amber);flex:0 0 auto;
}
.foot-col__title{
  font-family:var(--font-mono);font-size:11.5px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);
  padding-bottom:10px;margin-bottom:14px;position:relative;
}
.foot-col__title::after{
  content:"";position:absolute;left:0;bottom:0;width:34px;height:1px;
  background:linear-gradient(90deg,var(--cyan),transparent);
}
.foot-col__list li + li{margin-top:9px;}
.foot-col__list a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.foot-col__list a::before{content:"";width:0;height:1px;background:var(--cyan);transition:width .2s var(--ease);}
.foot-col__list a:hover{color:var(--text);}
.foot-col__list a:hover::before{width:12px;}
.foot-col__hint{margin-top:16px;font-size:12.5px;line-height:1.8;color:rgba(138,148,173,.85);max-width:26ch;}
.foot-contact{display:grid;gap:12px;}
.foot-contact__row{display:grid;grid-template-columns:44px 1fr;gap:10px;align-items:baseline;}
.foot-contact__row dt{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;color:var(--amber);
}
.foot-contact__row dd{font-size:13.5px;color:rgba(232,237,247,.9);word-break:break-word;}
.foot-contact__note{margin-top:14px;font-size:12px;line-height:1.8;color:var(--muted);max-width:32ch;}
.site-footer__base{
  max-width:var(--maxw);margin:0 auto;
  padding:18px var(--pad) 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;
  border-top:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--muted);
}
.site-footer__icp{color:rgba(232,237,247,.8);}
.site-footer__domain{color:rgba(138,148,173,.75);}

/* ===== 平板 ===== */
@media (max-width:1060px){
  .brand__tag{display:none;}
  .site-nav__link{padding:7px 11px;font-size:13.5px;}
  .cmd-bar__cta{padding:9px 14px;font-size:13.5px;}
}
@media (max-width:1020px){
  .site-footer__grid{grid-template-columns:1fr 1fr;}
  .foot-brand{grid-column:1 / -1;}
  .foot-brand__line{max-width:60ch;}
}

/* ===== 移动导航 ===== */
@media (max-width:900px){
  .cmd-bar__inner{flex-wrap:nowrap;justify-content:space-between;gap:10px;}
  .nav-toggle{display:inline-flex;order:3;}
  .cmd-bar__cta{order:2;}
  .site-nav{
    position:absolute;left:var(--pad);right:var(--pad);top:calc(100% + 8px);
    display:block;padding:10px;z-index:70;
    border:1px solid rgba(34,230,211,.3);border-radius:12px;
    background:rgba(14,21,36,.98);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    box-shadow:0 30px 60px -30px rgba(0,0,0,.95);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
  }
  .site-nav[data-open]{opacity:1;visibility:visible;transform:none;}
  .site-nav__list{flex-direction:column;align-items:stretch;overflow:visible;gap:2px;padding:0;}
  .site-nav__link{
    justify-content:flex-start;border-radius:9px;padding:12px 13px;font-size:15px;
  }
  .site-nav__link[aria-current="page"]::after{margin-left:auto;}
}
@media (max-width:820px){
  .grid--2,.grid--3,.grid--editorial{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:640px){
  .site-footer__grid{grid-template-columns:1fr;}
  .foot-brand__line,.foot-col__hint,.foot-contact__note{max-width:none;}
  .site-footer__base{font-size:11.5px;}
}
@media (max-width:560px){
  .brand__name{font-size:15.5px;}
  .brand__mark{width:34px;height:34px;font-size:12.5px;}
  .cmd-bar__cta{padding:8px 12px;font-size:12.5px;}
  .nav-toggle{padding:8px 10px;}
  .nav-toggle__label{display:none;}
  .cmd-strip__meta{display:none;}
}

/* ===== 动效偏好 ===== */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .cmd-strip__dot{animation:none;}
  .media::after{animation:none;opacity:.3;}
  .has-js [data-reveal]{opacity:1 !important;transform:none !important;transition:none !important;}
  .data-bar__fill{transition:none;}
  .skip-link,.nav-toggle,.btn,.cmd-bar__cta,.site-nav,.site-nav__link,.foot-col__list a{transition:none;}
}