/* =====================================================================
   威哥新 · 官方信息台 — 共享样式 /assets/site.css
   基底：深墨蓝 | 结构：夜蓝面板 + 钢蓝分隔 | 强调：电光青 + 暖橙
   ===================================================================== */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid #00E5FF;outline-offset:2px}

/* ---------- 2. 变量 ---------- */
:root{
  --ink:#061225;
  --panel:#0B1B33;
  --panel-2:#0E2140;
  --line:#16304F;
  --cyan:#00E5FF;
  --orange:#FF8A2B;
  --mint:#5BE9C4;
  --amber:#FFC24B;
  --paper:#EAF2FF;
  --muted:#9CB3D0;
  --ink-on-accent:#04121F;
  --ink-on-warm:#1A0C00;
  --shell:1280px;
  --gut:clamp(16px,4vw,40px);
  --gap:clamp(14px,2vw,22px);
  --f-sans:"PingFang SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --f-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

/* ---------- 3. 基底与中文排版 ---------- */
body{
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.7;
  letter-spacing:.01em;
  color:var(--paper);
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 620px at 50% -12%, rgba(0,229,255,.10), transparent 68%),
    linear-gradient(rgba(22,48,79,.42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,48,79,.42) 1px, transparent 1px);
  background-size:auto, 72px 72px, 72px 72px;
  background-position:center top, center top, center top;
  background-attachment:fixed, fixed, fixed;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-weight:800;line-height:1.06;letter-spacing:-.01em}
p{max-width:42em}
strong{color:#fff;font-weight:700}
::selection{background:var(--cyan);color:var(--ink-on-accent)}

.shell{width:100%;max-width:var(--shell);margin:0 auto;padding-left:var(--gut);padding-right:var(--gut)}
.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}
.t-mono{font-family:var(--f-mono);font-size:13px;letter-spacing:.04em}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.2em;color:var(--cyan);text-transform:uppercase}
.anno{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.22em;
  color:var(--muted);
  text-transform:uppercase;
}
.cut{
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px));
}

/* ---------- 4. skip link ---------- */
.skip{
  position:absolute;
  left:14px;
  top:-64px;
  z-index:90;
  padding:11px 16px;
  background:var(--cyan);
  color:var(--ink-on-accent);
  font-family:var(--f-mono);
  font-size:13px;
  font-weight:700;
  transition:top .16s ease;
}
.skip:focus{top:14px}

/* ---------- 5. 页头：命令栏 ---------- */
.cmd{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,18,37,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.cmd__rail{border-bottom:1px solid rgba(22,48,79,.75)}
.cmd__railinner{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:30px;
}
.cmd__railtag{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--muted);
  white-space:nowrap;
}
.cmd__railtag--mono{color:#4E6B92}
.cmd__railline{
  flex:1;
  height:1px;
  background:linear-gradient(90deg,rgba(0,229,255,.55),rgba(22,48,79,.35));
}
.cmd__bar{position:relative}
.cmd__grid{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:clamp(12px,2vw,26px);
  min-height:68px;
}
.cmd__actions{display:flex;align-items:center;gap:10px}
.cmd__progress{
  position:absolute;
  left:0;
  bottom:-1px;
  width:100%;
  height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  transform:scaleX(0);
  transform-origin:0 50%;
  will-change:transform;
}

/* 品牌 */
.brand{display:inline-flex;align-items:center;gap:11px;min-width:0}
.brand__mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  background:var(--cyan);
  color:var(--ink-on-accent);
  font-family:var(--f-mono);
  font-size:13px;
  font-weight:800;
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
}
.brand__text{display:flex;flex-direction:column;line-height:1.16}
.brand__name{font-size:17px;font-weight:800;letter-spacing:.04em;color:var(--paper)}
.brand__sub{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;color:var(--muted)}
.brand:hover .brand__name{color:var(--cyan)}

/* 版本徽标 */
.vbadge{
  display:inline-flex;
  align-items:stretch;
  border:1px solid var(--line);
  background:rgba(11,27,51,.9);
}
.vbadge__label{
  display:flex;align-items:center;
  padding:8px 9px;
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--muted);
}
.vbadge__num{
  display:flex;align-items:center;
  padding:8px 10px;
  background:var(--cyan);
  color:var(--ink-on-accent);
  font-family:var(--f-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}

/* 导航索引 */
.nav{display:flex;align-items:center;justify-content:center}
.nav__title{display:none}
.nav__list{display:flex;align-items:center;gap:2px}
.nav__link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:9px 11px;
  font-size:14px;
  color:#BFD3EE;
  border:1px solid transparent;
  transition:color .16s ease,border-color .16s ease,background .16s ease;
}
.nav__idx{font-family:var(--f-mono);font-size:10px;letter-spacing:.08em;color:#3E5D86}
.nav__link:hover{color:var(--cyan)}
.nav__link:hover .nav__idx{color:var(--cyan)}
.nav__link[aria-current="page"]{
  color:var(--paper);
  background:rgba(0,229,255,.09);
  border-color:rgba(0,229,255,.42);
}
.nav__link[aria-current="page"] .nav__idx{color:var(--cyan)}
.nav__link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:11px;right:11px;bottom:2px;
  height:2px;
  background:var(--cyan);
}
.nav__foot{display:none}

/* 移动索引按钮 */
.cmdtoggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 12px;
  border:1px solid var(--line);
  color:var(--paper);
  font-size:13px;
  font-weight:600;
  transition:border-color .16s ease,color .16s ease;
}
.cmdtoggle:hover{border-color:var(--cyan);color:var(--cyan)}
.cmdtoggle__bars{position:relative;display:block;width:16px;height:2px;background:currentColor;transition:background .16s ease}
.cmdtoggle__bars::before,.cmdtoggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;
  transition:transform .18s ease,top .18s ease;
}
.cmdtoggle__bars::before{top:-5px}
.cmdtoggle__bars::after{top:5px}
.cmdtoggle__text{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em}
.cmdtoggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.cmdtoggle[aria-expanded="true"] .cmdtoggle__bars{background:transparent}
.cmdtoggle[aria-expanded="true"] .cmdtoggle__bars::before{top:0;transform:rotate(45deg)}
.cmdtoggle[aria-expanded="true"] .cmdtoggle__bars::after{top:0;transform:rotate(-45deg)}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 18px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--paper);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--cta{background:var(--orange);border-color:var(--orange);color:var(--ink-on-warm)}
.btn--cta:hover{background:#FFA255;border-color:#FFA255;color:var(--ink-on-warm)}
.btn--line{background:transparent;border-color:var(--cyan);color:var(--cyan)}
.btn--line:hover{background:var(--cyan);color:var(--ink-on-accent)}

/* ---------- 7. 页面标题与章节 ---------- */
.page-head{position:relative;padding:clamp(26px,5vw,56px) 0 clamp(16px,3vw,28px)}
.page-head__meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.page-head__title{
  margin:14px 0 0;
  font-size:clamp(32px,6.4vw,64px);
  line-height:1.05;
  letter-spacing:-.015em;
}
.page-head__lede{margin:16px 0 0;max-width:60ch;color:var(--muted);font-size:17px}

.section{position:relative;padding:clamp(28px,5vw,60px) 0}
.section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:14px;
  padding-bottom:12px;
  margin-bottom:var(--gap);
  border-bottom:1px solid var(--line);
}
.section__idx{font-family:var(--f-mono);font-size:12px;letter-spacing:.18em;color:var(--cyan)}
.section__title{font-size:clamp(20px,2.6vw,28px)}
.section__note{margin-left:auto;font-family:var(--f-mono);font-size:12px;line-height:1.6;color:var(--muted)}

/* ---------- 8. 版面 ---------- */
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,2fr) minmax(0,3fr)}
.splitline{
  align-self:stretch;
  width:1px;
  background:linear-gradient(180deg,transparent,var(--line) 22%,var(--line) 78%,transparent);
  transform:rotate(1.6deg);
}
.panel{
  position:relative;
  padding:20px;
  background:var(--panel);
  border:1px solid var(--line);
}
.panel__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:12px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line);
}
.panel__title{font-size:18px}
.panel__body{font-size:15px;color:#D3E2F7}

/* ---------- 9. 状态 · 标记 · 导出 · 轨迹 ---------- */
.tag{
  display:inline-block;
  padding:5px 9px;
  border:1px solid var(--line);
  background:rgba(11,27,51,.75);
  color:var(--muted);
  font-family:var(--f-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.tag--cyan{background:var(--cyan);border-color:var(--cyan);color:var(--ink-on-accent)}
.tag--orange{background:var(--orange);border-color:var(--orange);color:var(--ink-on-warm)}
.tag--mint{background:var(--mint);border-color:var(--mint);color:var(--ink-on-accent)}
.tag--amber{background:var(--amber);border-color:var(--amber);color:var(--ink-on-warm)}

.status{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.status__dot{width:8px;height:8px;background:var(--mint);box-shadow:0 0 0 3px rgba(91,233,196,.16)}
.status--info .status__dot{background:var(--cyan);box-shadow:0 0 0 3px rgba(0,229,255,.16)}
.status--warn .status__dot{background:var(--amber);box-shadow:0 0 0 3px rgba(255,194,75,.16)}

.vnum{
  display:inline-block;
  padding:2px 7px;
  background:var(--cyan);
  color:var(--ink-on-accent);
  font-family:var(--f-mono);
  font-size:.92em;
  font-weight:700;
  letter-spacing:.02em;
}
.vnum--orange{background:var(--orange);color:var(--ink-on-warm)}

.copy{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 9px;
  margin-left:8px;
  border:1px dashed var(--line);
  color:var(--muted);
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.08em;
  transition:color .16s ease,border-color .16s ease;
}
.copy:hover{color:var(--cyan);border-color:var(--cyan)}
.copy[data-state="done"]{color:var(--mint);border-color:var(--mint)}

.trace{position:relative;height:1px;background:linear-gradient(90deg,var(--cyan),rgba(0,229,255,0))}
.trace::after{
  content:"";
  position:absolute;
  right:0;top:-3px;
  width:7px;height:7px;
  background:var(--cyan);
  clip-path:polygon(0 0,100% 50%,0 100%);
}

/* ---------- 10. 版本号锚点栏 ---------- */
.verrail{position:sticky;top:112px;align-self:start}
.verrail__title{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--muted);
  margin-bottom:12px;
}
.verrail__list{border-left:1px solid var(--line)}
.verrail__link{
  display:block;
  margin-left:-1px;
  padding:10px 0 10px 16px;
  border-left:2px solid transparent;
  font-family:var(--f-mono);
  font-size:13px;
  font-weight:600;
  color:var(--muted);
  transition:color .16s ease,border-color .16s ease,background .16s ease;
}
.verrail__link:hover{color:var(--paper);border-left-color:var(--cyan)}
.verrail__link[aria-current="true"]{
  color:var(--cyan);
  border-left-color:var(--cyan);
  background:linear-gradient(90deg,rgba(0,229,255,.14),rgba(0,229,255,0));
}

/* ---------- 11. 面包屑 ---------- */
.breadcrumb{padding:20px 0 0}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.breadcrumb__item{display:flex;align-items:center}
.breadcrumb__item:not(:first-child)::before{content:"/";margin:0 8px;color:var(--line)}
.breadcrumb__link{color:var(--muted);transition:color .16s ease,border-color .16s ease;border-bottom:1px solid transparent}
.breadcrumb__link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

/* ---------- 12. 图像容器 ---------- */
.fig{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
}
.fig__frame{
  position:relative;
  aspect-ratio:16 / 10;
  overflow:hidden;
  background:
    linear-gradient(135deg,rgba(0,229,255,.07),rgba(0,229,255,0) 62%),
    repeating-linear-gradient(90deg,rgba(22,48,79,.6) 0 1px,transparent 1px 40px),
    repeating-linear-gradient(0deg,rgba(22,48,79,.6) 0 1px,transparent 1px 40px),
    var(--panel-2);
}
.fig__img{width:100%;height:100%;object-fit:cover;object-position:center top}
.fig__cap{
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
  justify-content:space-between;
  padding:10px 12px;
  border-top:1px solid var(--line);
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--muted);
}
.fig__tag{
  position:absolute;
  top:0;left:0;
  z-index:2;
  padding:6px 12px 6px 9px;
  background:var(--cyan);
  color:var(--ink-on-accent);
  font-family:var(--f-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
  clip-path:polygon(0 0,100% 0,100% 62%,88% 100%,0 100%);
}
.fig--wide .fig__frame{aspect-ratio:21 / 9}
.fig--phone .fig__frame{aspect-ratio:9 / 17;max-width:320px;margin:0 auto}
.fig--phone .fig__cap{max-width:320px;margin:0 auto}

/* ---------- 13. 动效协议 ---------- */
.has-js [data-reveal]{opacity:0;transform:translateY(14px)}
.has-js [data-reveal].is-in{
  opacity:1;
  transform:none;
  transition:opacity .5s ease,transform .5s ease;
}

/* ---------- 14. 页脚 ---------- */
.foot{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  background:linear-gradient(180deg,rgba(11,27,51,.62),rgba(6,18,37,1) 62%);
  border-top:1px solid var(--line);
}
.foot::before{
  content:"";
  position:absolute;
  left:0;right:0;top:-1px;
  height:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(0,229,255,0) 34%,rgba(255,138,43,0) 62%,var(--orange));
}
.foot__inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,2fr);
  gap:clamp(24px,4vw,52px);
  padding:clamp(28px,5vw,56px) 0;
}
.foot__mark{font-size:20px;font-weight:800;letter-spacing:.03em}
.foot__line{margin-top:12px;max-width:34ch;font-size:14px;color:var(--muted)}
.foot__mono{
  margin-top:16px;
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--cyan);
}
.foot__cta{margin-top:18px}
.foot__cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.foot__coltitle{
  margin-bottom:12px;
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--cyan);
}
.foot__list{display:grid;gap:9px}
.foot__link{
  font-size:14px;
  color:#C6D8F0;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color .16s ease,border-color .16s ease;
}
.foot__link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.foot__contact{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr)) auto;
  gap:18px;
  align-items:end;
  padding:22px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.foot__cterm{
  margin-bottom:7px;
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--muted);
}
.foot__cval{font-size:14px;color:var(--paper);max-width:none;word-break:break-word}
.foot__cgroup--act{justify-self:end}
.foot__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  padding:20px 0 30px;
  font-family:var(--f-mono);
  font-size:12px;
  color:var(--muted);
}
.foot__icp{color:#C6D8F0}
.foot__legallink{border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease}
.foot__legallink:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.foot__seal{margin-left:auto;color:#3E5D86;letter-spacing:.08em}

/* ---------- 15. 响应式 ---------- */
@media (max-width:1080px){
  .cmd__grid{grid-template-columns:auto 1fr;min-height:62px}
  .cmd__actions{grid-column:2;justify-self:end}
  .cmdtoggle{display:inline-flex}
  .cmd__cta{display:none}
  .nav{
    position:absolute;
    left:0;right:0;top:100%;
    display:none;
    max-height:min(76vh,560px);
    overflow-y:auto;
    padding:16px var(--gut) 20px;
    background:var(--panel);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 48px rgba(0,0,0,.45);
  }
  .nav[data-open]{display:block}
  .nav__title{
    display:block;
    margin-bottom:12px;
    font-family:var(--f-mono);
    font-size:11px;
    letter-spacing:.2em;
    color:var(--muted);
  }
  .nav__list{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:6px;
  }
  .nav__link{
    width:100%;
    padding:12px 12px;
    border-color:rgba(22,48,79,.9);
    background:rgba(6,18,37,.6);
  }
  .nav__link[aria-current="page"]::after{left:12px;right:12px;bottom:4px}
  .nav__foot{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    margin-top:16px;
    padding-top:14px;
    border-top:1px solid var(--line);
  }
  .nav__foottitle{font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;color:var(--muted)}
  .nav__footlink{
    padding:5px 9px;
    border:1px solid var(--line);
    font-family:var(--f-mono);
    font-size:12px;
    color:var(--cyan);
    transition:background .16s ease,color .16s ease;
  }
  .nav__footlink:hover{background:var(--cyan);color:var(--ink-on-accent)}

  .grid--split{grid-template-columns:minmax(0,1fr)}
  .splitline{display:none}
  .verrail{position:static;margin-bottom:18px}
  .verrail__list{border-left:0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px;padding-top:12px}
  .verrail__link{margin:0;padding:6px 10px;border-left:0;border-bottom:2px solid transparent}
  .verrail__link:hover{border-left:0;border-bottom-color:var(--cyan)}
  .verrail__link[aria-current="true"]{border-left:0;border-bottom-color:var(--cyan);background:rgba(0,229,255,.1)}

  .foot__inner{grid-template-columns:minmax(0,1fr)}
  .foot__contact{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot__cgroup--act{justify-self:start}
}

@media (max-width:760px){
  body{font-size:16px}
  .cmd__railtag--mono{display:none}
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
  .panel{padding:16px}
  .foot__cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 16px}
  .section__note{margin-left:0;width:100%}
}

@media (max-width:560px){
  .brand__sub{display:none}
  .vbadge__label{display:none}
  .vbadge__num{padding:8px 9px}
  .foot__contact{grid-template-columns:minmax(0,1fr)}
  .foot__cgroup--act{justify-self:stretch}
  .foot__cgroup--act .btn{width:100%;justify-content:center}
  .foot__legal{gap:8px 16px}
  .foot__seal{margin-left:0;width:100%}
  .btn{padding:12px 16px}
}

/* ---------- 16. 减弱动态 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .has-js [data-reveal]{opacity:1;transform:none}
  .cmd__progress{transition:none}
}