/* ============================================================
   365网站网址 · 共享样式 /assets/site.css
   深色仪表盘基调：近黑深靛底 + 玻璃层 + 信号橙锚点 + 电光青状态
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --ink-900:#060A16;
  --ink-800:#0B1224;
  --panel:#141F3D;
  --panel-soft:rgba(20,31,61,.88);
  --glass:rgba(255,255,255,.12);
  --glass-soft:rgba(255,255,255,.06);
  --line:rgba(140,153,184,.22);
  --line-strong:rgba(140,153,184,.42);

  --orange:#FF6B2C;
  --orange-soft:rgba(255,107,44,.16);
  --cyan:#3DE0D0;
  --cyan-soft:rgba(61,224,208,.14);
  --amber:#FFB84D;
  --grey:#8C99B8;
  --paper:#F2F5FF;
  --text-soft:#C7D0E6;

  --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:system-ui,-apple-system,"Segoe UI","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;

  --ease:cubic-bezier(.22,1,.36,1);
  --shell:1240px;
  --gutter:clamp(16px,4vw,40px);
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:10px;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,hr{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:110px;
}

/* ---------- 3. 页面底色 ---------- */
body{
  position:relative;
  z-index:0;
  isolation:isolate;
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--paper);
  background-color:var(--ink-800);
  background-image:
    radial-gradient(820px 520px at 8% -10%, rgba(61,224,208,.11), transparent 62%),
    radial-gradient(780px 480px at 94% 0%, rgba(255,107,44,.14), transparent 64%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(140,153,184,.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,153,184,.065) 1px, transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(120% 78% at 50% 0%, #000 0%, rgba(0,0,0,.28) 58%, transparent 84%);
  mask-image:radial-gradient(120% 78% at 50% 0%, #000 0%, rgba(0,0,0,.28) 58%, transparent 84%);
}

/* ---------- 4. 中文排版 ---------- */
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.012em;
  color:var(--paper);
}
h1{font-size:clamp(34px,5.4vw,62px)}
h2{font-size:clamp(24px,3.2vw,38px)}
h3{font-size:clamp(18px,2vw,23px);line-height:1.26}
h4{font-size:clamp(16px,1.5vw,19px);line-height:1.35}
p{color:var(--text-soft);font-size:clamp(15px,1.1vw,17px)}
strong{color:var(--paper);font-weight:700}
small{font-size:12px;color:var(--grey)}

.mono,.mono-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{
  content:"";
  width:18px;
  height:1px;
  background:currentColor;
  opacity:.7;
}
.lede{
  font-size:clamp(16px,1.5vw,19px);
  line-height:1.8;
  color:var(--text-soft);
  max-width:62ch;
}
.prose{max-width:70ch}
.prose p + p{margin-top:1em}
.prose h2{margin-top:2.2em;margin-bottom:.6em}
.prose h3{margin-top:1.6em;margin-bottom:.5em}
.prose ul{margin:1em 0;padding-left:1.1em;list-style:none}
.prose li{position:relative;padding-left:14px;margin-bottom:.5em;color:var(--text-soft)}
.prose li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--cyan);
  opacity:.8;
}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(61,224,208,.4)}
.prose a:hover{border-bottom-color:var(--cyan)}

/* ---------- 5. 通用容器与网格 ---------- */
.container{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(44px,6.5vw,88px)}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px 28px;
  margin-bottom:clamp(22px,3vw,38px);
}
.section-title{font-size:clamp(22px,2.8vw,34px)}
.grid{display:grid;gap:clamp(14px,2vw,22px)}
.grid-12{grid-template-columns:repeat(12,minmax(0,1fr))}

/* ---------- 6. 面板 · 卡片 · 媒体 ---------- */
.panel{
  position:relative;
  padding:clamp(18px,2.4vw,30px);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg, rgba(20,31,61,.92), rgba(11,18,36,.88));
  box-shadow:0 18px 44px rgba(3,6,15,.42);
}
.panel--glass{
  background:linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.04));
  border-color:rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
}
.panel-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px 20px;
  padding-bottom:14px;
  margin-bottom:18px;
  border-bottom:1px solid var(--line);
}
.panel-title{
  font-family:var(--font-display);
  font-size:clamp(17px,1.6vw,20px);
  font-weight:800;
  color:var(--paper);
}

.tag,.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--grey);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.tag{color:var(--cyan);background:var(--cyan-soft);border-color:rgba(61,224,208,.32)}
.chip--amber{color:var(--amber);background:rgba(255,184,77,.12);border-color:rgba(255,184,77,.34)}

.media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:
    linear-gradient(140deg, rgba(20,31,61,.92), rgba(6,10,22,.96)),
    repeating-linear-gradient(135deg, rgba(61,224,208,.07) 0 2px, transparent 2px 9px);
}
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media--wide{aspect-ratio:21 / 9}
.media--square{aspect-ratio:1 / 1}
.media--tall{aspect-ratio:4 / 5}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
  cursor:pointer;
  transition:background-color .24s var(--ease), color .24s var(--ease),
             border-color .24s var(--ease), transform .24s var(--ease),
             box-shadow .24s var(--ease);
}
.btn-primary{
  background:var(--orange);
  color:#100714;
  box-shadow:0 12px 28px rgba(255,107,44,.32);
}
.btn-primary:hover{
  background:#FF824F;
  transform:translateY(-1px);
  box-shadow:0 16px 34px rgba(255,107,44,.42);
}
.btn-ghost{
  color:var(--paper);
  background:rgba(255,255,255,.06);
  border-color:var(--line-strong);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:rgba(61,224,208,.5);
  transform:translateY(-1px);
}
.btn-cyan{
  background:var(--cyan);
  color:#04201E;
  box-shadow:0 12px 28px rgba(61,224,208,.24);
}
.btn-cyan:hover{background:#5CEADD;transform:translateY(-1px)}

/* ---------- 8. 面包屑 ---------- */
.breadcrumb{
  padding-block:clamp(18px,2.4vw,28px);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--grey);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:9px}
.breadcrumb li + li::before{
  content:"/";
  color:rgba(140,153,184,.45);
}
.breadcrumb a{color:var(--grey);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb [aria-current="page"]{color:var(--paper)}

/* ---------- 9. 跳转链接 · 无障碍 ---------- */
.skip-link{
  position:fixed;
  top:-120px;
  left:16px;
  z-index:200;
  padding:10px 20px;
  border-radius:999px;
  background:var(--orange);
  color:#100714;
  font-size:13px;
  font-weight:700;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px}

.visually-hidden{
  position:absolute !important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:6px;
}

/* ---------- 10. 头部：悬浮玻璃胶囊 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:16px var(--gutter) 0;
  transition:padding .3s var(--ease);
}
.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:2px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg, var(--orange) 0%, var(--amber) 42%, var(--cyan) 100%);
  transition:transform .14s linear;
  pointer-events:none;
}
.header-shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
}
.header-capsule{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,26px);
  padding:10px 12px 10px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(24,36,70,.88), rgba(8,13,28,.82));
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  box-shadow:0 20px 48px rgba(3,6,15,.55), inset 0 1px 0 rgba(255,255,255,.14);
  transition:padding .3s var(--ease), box-shadow .3s var(--ease), background-color .3s var(--ease);
}
.site-header.is-scrolled .header-capsule{
  padding:6px 8px 6px 14px;
  box-shadow:0 14px 36px rgba(3,6,15,.62), inset 0 1px 0 rgba(255,255,255,.12);
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--paper);
}
.brand-mark{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--orange);
  color:#100714;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:-.02em;
  box-shadow:0 8px 20px rgba(255,107,44,.34);
}
.brand-text{display:flex;flex-direction:column;line-height:1.14}
.brand-name{
  font-family:var(--font-display);
  font-size:15px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--paper);
}
.brand-wordmark{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--grey);
}

/* 导航 */
.site-nav{margin-inline:auto}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:block;
  padding:9px 14px;
  border-radius:999px;
  font-size:14px;
  line-height:1.4;
  white-space:nowrap;
  color:var(--grey);
  transition:color .22s var(--ease), background-color .22s var(--ease), box-shadow .22s var(--ease);
}
.nav-link:hover{
  color:var(--paper);
  background:rgba(255,255,255,.08);
}
.nav-link[aria-current="page"]{
  color:var(--paper);
  background:rgba(61,224,208,.12);
  box-shadow:inset 0 0 0 1px rgba(61,224,208,.42), 0 0 18px rgba(61,224,208,.14);
}

/* 右侧动作区 */
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.04em;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid rgba(61,224,208,.3);
  white-space:nowrap;
}
.status-chip::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);
  animation:chip-pulse 2.8s ease-in-out infinite;
}
@keyframes chip-pulse{
  0%,100%{opacity:1}
  50%{opacity:.32}
}
.header-cta{padding:10px 20px;font-size:13.5px}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 15px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.08);
  color:var(--paper);
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:background-color .22s var(--ease), border-color .22s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.14)}
.nav-toggle-bars{
  position:relative;
  display:block;
  width:16px;
  height:10px;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;right:0;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .26s var(--ease);
}
.nav-toggle-bars::before{top:0}
.nav-toggle-bars::after{bottom:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-4px) rotate(-45deg)}
.nav-toggle-label{letter-spacing:.04em}

/* ---------- 11. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,110px);
  padding-block:clamp(38px,5vw,66px) 26px;
  border-top:1px solid var(--line);
  background:
    radial-gradient(680px 300px at 90% 0%, rgba(255,107,44,.15), transparent 66%),
    radial-gradient(560px 260px at 6% 6%, rgba(61,224,208,.09), transparent 70%),
    linear-gradient(180deg, var(--ink-900), #04070F);
  color:var(--grey);
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:clamp(22px,3vw,48px);
}
.footer-brand{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.footer-brand .brand{padding-bottom:2px}
.footer-note{
  font-size:14px;
  line-height:1.8;
  color:rgba(199,208,230,.86);
  max-width:34ch;
}
.footer-signature{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.05em;
  line-height:1.8;
  color:var(--grey);
  padding-top:12px;
  border-top:1px dashed rgba(140,153,184,.28);
  width:100%;
}
.footer-col{display:flex;flex-direction:column;gap:14px}
.footer-col-title{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
  line-height:1.4;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14.5px;
  color:var(--text-soft);
  transition:color .22s var(--ease), transform .22s var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:var(--orange);transform:translateX(3px)}
.footer-rule{
  border:0;
  height:1px;
  margin:clamp(26px,4vw,42px) 0 clamp(18px,2.4vw,26px);
  background:linear-gradient(90deg, rgba(140,153,184,.38), rgba(140,153,184,.04));
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 28px;
}
.footer-contact{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--grey);
  line-height:1.7;
  flex:1 1 340px;
}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
  font-size:13px;
}
.footer-legal a{
  color:var(--grey);
  border-bottom:1px solid transparent;
  transition:color .22s var(--ease), border-color .22s var(--ease);
}
.footer-legal a:hover{color:var(--cyan);border-bottom-color:rgba(61,224,208,.5)}
.footer-meta{
  display:flex;
  flex-wrap:wrap;
  gap:6px 18px;
  width:100%;
  padding-top:14px;
  border-top:1px solid rgba(140,153,184,.14);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.04em;
  color:rgba(140,153,184,.82);
}
.footer-icp{color:var(--amber)}
.footer-copy{color:rgba(140,153,184,.82)}

/* ---------- 12. 滚动显现 ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .42s var(--ease) var(--reveal-delay,0ms),
             transform .42s var(--ease) var(--reveal-delay,0ms);
}
html.js [data-reveal].is-revealed{
  opacity:1;
  transform:none;
}

/* ---------- 13. 响应式 ---------- */
@media (max-width:1280px){
  .status-chip{display:none}
}
@media (max-width:1080px){
  .nav-link{padding:8px 11px;font-size:13px}
  .header-cta{padding:9px 16px;font-size:13px}
}
@media (max-width:900px){
  .header-capsule{
    border-radius:26px;
    gap:10px;
    padding:9px 10px 9px 14px;
  }
  .site-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    margin-inline:0;
    display:none;
    padding:12px;
    border-radius:22px;
    border:1px solid var(--line);
    background:linear-gradient(180deg, rgba(22,34,66,.98), rgba(7,11,24,.98));
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    box-shadow:0 28px 64px rgba(3,6,15,.72);
  }
  .site-nav[data-open]{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{
    padding:13px 15px;
    border-radius:14px;
    font-size:15px;
    color:var(--text-soft);
  }
  .nav-link[aria-current="page"]{box-shadow:inset 0 0 0 1px rgba(61,224,208,.38)}
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:600px){
  .grid-12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .header-cta{display:none}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-meta{flex-direction:column;gap:6px}
}
@media (max-width:420px){
  .nav-toggle-label{display:none}
  .nav-toggle{padding:10px 12px}
  .brand-wordmark{display:none}
}

/* ---------- 14. 降低动态效果 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js [data-reveal]{
    opacity:1;
    transform:none;
    transition:none;
  }
}