/* =========================================================
   开云下单平台 — 共享站点样式 /assets/site.css
   气质：夜间赛场指挥台 × 数据看板
   ========================================================= */

:root{
  --deep:#071A2F;
  --deep-2:#0E2A47;
  --ink:#03101C;
  --cyan:#1FE0C8;
  --cyan-soft:#8FF5E8;
  --coral:#FF6B4A;
  --mist:#C9D3DC;
  --paper:#E6EDF3;
  --yellow:#F5C542;
  --grid:#2B6F7A;

  --font-cn:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","Roboto Mono",SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --r-lg:32px;
  --r-md:22px;
  --r-sm:14px;
  --r-pill:999px;

  --wrap:1200px;
  --pad-panel:clamp(20px,3vw,36px);
  --shadow-panel:0 28px 64px -34px rgba(3,16,28,.92);
  --line-cyan:rgba(31,224,200,.18);
}

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--deep);
  color:var(--paper);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--cyan-soft)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--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;
}

/* ---------- 2. 中文排版 ---------- */
.display{
  font-size:clamp(36px,6vw,88px);
  line-height:1.02;
  letter-spacing:-.02em;
  font-weight:800;
  color:var(--paper);
  text-wrap:balance;
}
.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(28px,5vw,72px);
  line-height:1;
  letter-spacing:-.01em;
  color:var(--paper);
}
.eyebrow{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
  margin:0;
}
.lede{
  font-size:clamp(15px,1.5vw,18px);
  line-height:1.85;
  color:var(--mist);
  max-width:72ch;
}
.muted{color:var(--mist);font-size:14px;line-height:1.8}
.rule{height:1px;border:0;margin:clamp(20px,3vw,32px) 0;background:linear-gradient(90deg,var(--cyan),rgba(31,224,200,0))}

/* ---------- 3. 版面容器与栅格 ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-inline:clamp(14px,3vw,28px);
}
.panel{
  background:linear-gradient(180deg,rgba(14,42,71,.94),rgba(7,26,47,.94));
  border:1px solid var(--line-cyan);
  border-radius:var(--r-lg);
  padding:var(--pad-panel);
  box-shadow:var(--shadow-panel);
}
.grid-2{display:grid;gap:clamp(14px,2.4vw,26px);grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{display:grid;gap:clamp(14px,2.4vw,26px);grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-12{display:grid;gap:clamp(14px,2.2vw,24px);grid-template-columns:repeat(12,minmax(0,1fr))}

/* ---------- 4. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.btn--primary{background:var(--cyan);color:var(--ink);box-shadow:0 12px 26px -16px rgba(31,224,200,.9)}
.btn--primary:hover,.btn--primary:focus-visible{background:var(--cyan-soft);color:var(--ink);transform:translateY(-1px)}
.btn--coral{background:var(--coral);color:#220803}
.btn--coral:hover,.btn--coral:focus-visible{background:#ff8767;color:#220803;transform:translateY(-1px)}
.btn--ghost{background:transparent;border-color:rgba(31,224,200,.45);color:var(--cyan-soft)}
.btn--ghost:hover,.btn--ghost:focus-visible{background:rgba(31,224,200,.12);color:var(--cyan-soft)}

/* ---------- 5. 标签 / 面包屑 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  border:1px solid currentColor;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  line-height:1.6;
  color:var(--cyan);
}
.tag--coral{color:var(--coral)}
.tag--yellow{color:var(--yellow)}
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--mist);
}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs__item:not(:last-child)::after{content:"/";color:rgba(201,211,220,.38)}

/* ---------- 6. 图片容器（页面阶段注入图片） ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--r-md);
  border:1px solid var(--line-cyan);
  background:linear-gradient(155deg,#0E2A47 0%,#03101C 100%);
  isolation:isolate;
}
.media-frame__img{
  display:block;
  width:100%;
  height:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  filter:saturate(.92) brightness(.86) contrast(1.05);
  transition:transform .6s cubic-bezier(.22,.61,.36,1),filter .6s ease;
}
.media-frame:hover .media-frame__img{transform:scale(1.02);filter:saturate(1) brightness(.95)}
.media-frame__grid{
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  opacity:0;
  transition:opacity .45s ease;
  background-image:
    linear-gradient(rgba(43,111,122,.42) 1px,transparent 1px),
    linear-gradient(90deg,rgba(43,111,122,.42) 1px,transparent 1px);
  background-size:38px 38px;
}
.media-frame:hover .media-frame__grid{opacity:1}
.media-frame__caption{
  position:absolute;
  left:14px;
  bottom:12px;
  z-index:2;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:rgba(3,16,28,.72);
  border:1px solid rgba(31,224,200,.28);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--cyan-soft);
}

/* ---------- 7. 跳转链接 ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:200;
  padding:12px 20px;
  border-radius:var(--r-pill);
  background:var(--cyan);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  transform:translateY(-180%);
  transition:transform .25s ease;
  box-shadow:0 14px 30px -14px rgba(3,16,28,.9);
}
.skip-link:focus,
.skip-link:focus-visible{transform:translateY(0);color:var(--ink)}

/* ---------- 8. 阅读进度 ---------- */
.read-progress{
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:3px;
  z-index:90;
  background:rgba(201,211,220,.1);
  pointer-events:none;
}
.read-progress__fill{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--cyan),var(--cyan-soft));
  box-shadow:0 0 14px rgba(31,224,200,.6);
  transition:width .12s linear;
}

/* ---------- 9. 悬浮胶囊头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:12px clamp(10px,2.6vw,26px) 0;
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0 0 -22px;
  z-index:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(7,26,47,.94) 0%,rgba(7,26,47,.55) 55%,rgba(7,26,47,0) 100%);
}
.header-shell{
  position:relative;
  z-index:1;
  max-width:var(--wrap);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:clamp(8px,1.6vw,20px);
  padding:9px 10px 9px 18px;
  border:1px solid rgba(31,224,200,.2);
  border-radius:var(--r-pill);
  background:rgba(7,26,47,.9);
  -webkit-backdrop-filter:blur(16px) saturate(1.2);
  backdrop-filter:blur(16px) saturate(1.2);
  box-shadow:0 20px 44px -30px rgba(3,16,28,.95);
  transition:padding .35s ease,background-color .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.site-header.is-condensed .header-shell{
  padding-top:5px;
  padding-bottom:5px;
  background:rgba(7,26,47,.97);
  border-color:rgba(31,224,200,.3);
  box-shadow:0 16px 34px -24px rgba(3,16,28,.98);
}

/* 品牌浮岛 */
.brand-island{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  flex:0 0 auto;
  padding:2px 6px 2px 0;
  color:var(--paper);
  text-decoration:none;
}
.brand-island:hover,.brand-island:focus-visible{color:var(--paper)}
.brand-mark{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1;
}
.brand-mark__latin{
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:500;
  letter-spacing:.22em;
  color:var(--cyan);
}
.brand-sub{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
}

/* 栏目胶囊 */
.nav-capsule{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-block;
  padding:8px 13px;
  border-radius:var(--r-pill);
  font-size:14px;
  line-height:1.5;
  color:var(--mist);
  white-space:nowrap;
  text-decoration:none;
  transition:color .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--paper);background:rgba(31,224,200,.12)}
.nav-link[aria-current="page"]{
  color:var(--ink);
  background:var(--cyan);
  font-weight:700;
  box-shadow:0 8px 20px -12px rgba(31,224,200,.95);
}
.nav-link[aria-current="page"]:hover{color:var(--ink);background:var(--cyan-soft)}

/* 右侧操作区 */
.header-side{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto}
.score-strip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin:0;
  padding:5px 12px;
  border-radius:var(--r-pill);
  border:1px solid rgba(31,224,200,.28);
  background:rgba(31,224,200,.1);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--cyan-soft);
  white-space:nowrap;
}
.score-strip__dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--cyan);
  animation:scorePulse 2.4s ease-out infinite;
}
.score-strip__text{display:inline-block;line-height:1.4}
@keyframes scorePulse{
  0%{box-shadow:0 0 0 0 rgba(31,224,200,.55)}
  70%{box-shadow:0 0 0 8px rgba(31,224,200,0)}
  100%{box-shadow:0 0 0 0 rgba(31,224,200,0)}
}
.header-cta{min-height:38px;padding:0 18px;font-size:13px}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border-radius:50%;
  border:1px solid rgba(31,224,200,.42);
  background:rgba(31,224,200,.08);
  transition:background-color .25s ease,border-color .25s ease;
}
.nav-toggle:hover{background:rgba(31,224,200,.16)}
.nav-toggle__bar{
  display:block;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--cyan-soft);
  transition:transform .3s ease,opacity .3s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:first-child{transform:translateY(3.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:last-child{transform:translateY(-3.5px) rotate(-45deg)}

/* ---------- 10. 堆叠面板页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  overflow:hidden;
  border-top:1px solid rgba(31,224,200,.24);
  background:linear-gradient(180deg,var(--deep-2) 0%,var(--deep) 58%,var(--ink) 100%);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.3;
  background-image:
    linear-gradient(rgba(43,111,122,.5) 1px,transparent 1px),
    linear-gradient(90deg,rgba(43,111,122,.5) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 72%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 72%);
}
.footer-stack{
  position:relative;
  z-index:1;
  max-width:var(--wrap);
  margin:0 auto;
  padding:clamp(28px,5vw,56px) clamp(14px,3vw,28px) clamp(18px,3vw,32px);
  display:grid;
  gap:14px;
  grid-template-columns:repeat(12,minmax(0,1fr));
}
.footer-panel{
  border:1px solid rgba(31,224,200,.16);
  border-radius:var(--r-md);
  background:rgba(7,26,47,.8);
  padding:clamp(18px,2.4vw,26px);
}
.footer-panel--mark{
  grid-column:span 4;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:12px;
}
.footer-panel--nav{
  grid-column:span 5;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.footer-panel--contact{
  grid-column:span 3;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-eyebrow{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.18em;
  color:var(--cyan);
}
.footer-motto{
  margin:0;
  font-size:clamp(17px,2vw,20px);
  font-weight:800;
  line-height:1.45;
  letter-spacing:-.01em;
  color:var(--paper);
}
.footer-note{margin:0;font-size:12px;line-height:1.75;color:var(--mist)}
.footer-col{min-width:0}
.footer-col__title{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--cyan-soft);
}
.footer-list{display:flex;flex-direction:column;gap:8px;margin:0}
.footer-list a{font-size:14px;color:var(--mist);text-decoration:none}
.footer-list a:hover,.footer-list a:focus-visible{color:var(--cyan)}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin:0;font-size:13px;line-height:1.65;color:var(--mist)}
.footer-contact__item{display:flex;flex-direction:column;gap:2px}
.footer-contact__key{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  color:rgba(143,245,232,.78);
}
.footer-contact__value{color:var(--paper);word-break:break-word}
.footer-legal{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  margin-top:6px;
  padding-top:18px;
  border-top:1px solid rgba(31,224,200,.18);
  font-size:12px;
  color:var(--mist);
}
.footer-copy,.footer-icp{margin:0}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:16px;margin:0}
.footer-legal__links a{font-size:12px;color:var(--mist)}
.footer-legal__links a:hover,.footer-legal__links a:focus-visible{color:var(--cyan)}
.footer-icp{
  margin-left:auto;
  font-family:var(--font-mono);
  letter-spacing:.04em;
  color:rgba(201,211,220,.72);
}

/* ---------- 11. 滚动登场 ---------- */
html.js-ready [data-reveal]{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1);
  will-change:opacity,transform;
}
html.js-ready [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 12. 响应式 ---------- */
@media (max-width:1080px){
  .score-strip{display:none}
}
@media (max-width:980px){
  .footer-panel--mark{grid-column:span 12}
  .footer-panel--nav{grid-column:span 12}
  .footer-panel--contact{grid-column:span 12}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .header-shell{padding:8px 8px 8px 16px}
  .brand-sub{display:none}
  .nav-capsule{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    z-index:5;
    display:block;
    max-height:0;
    padding:0 12px;
    overflow:hidden;
    visibility:hidden;
    opacity:0;
    border:1px solid rgba(31,224,200,.24);
    border-radius:24px;
    background:rgba(7,26,47,.98);
    box-shadow:0 28px 52px -30px rgba(3,16,28,1);
    transition:max-height .35s ease,opacity .3s ease,visibility .3s ease,padding .3s ease;
  }
  .nav-capsule[data-open]{
    max-height:520px;
    padding:12px;
    visibility:visible;
    opacity:1;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{padding:12px 16px;border-radius:var(--r-sm);font-size:15px}
  .nav-link[aria-current="page"]{border-radius:var(--r-sm)}
  .grid-2{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:720px){
  body{font-size:15px}
  .footer-panel--nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-icp{margin-left:0}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .grid-12{grid-template-columns:minmax(0,1fr)}
  .media-frame__img{aspect-ratio:4/3}
}
@media (max-width:460px){
  .footer-panel--nav{grid-template-columns:minmax(0,1fr)}
  .brand-mark{font-size:17px}
  .read-progress{height:2px}
}

/* ---------- 13. 无障碍动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  html.js-ready [data-reveal]{opacity:1;transform:none}
  .media-frame:hover .media-frame__img{transform:none}
}