/* =========================================================
   威哥新官网 · 共享样式表 /assets/site.css
   ========================================================= */

/* ---------- 1. 设计变量 ---------- */
:root{
  --wgs-blue:#0B4C8C;
  --wgs-blue-deep:#062E56;
  --wgs-orange:#FF5A1F;
  --wgs-neon:#E6FF3B;
  --wgs-cyan:#14C8C0;
  --wgs-ink:#2B3036;
  --wgs-mid:#6B737C;
  --wgs-mist:#F3F5F7;
  --wgs-white:#FFFFFF;
  --wgs-danger:#D93A2B;

  --wgs-font-title:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --wgs-font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --wgs-font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --wgs-max:1360px;
  --wgs-gutter:20px;
  --wgs-radius:6px;
  --wgs-shadow:0 10px 30px rgba(6,46,86,.10);
}
@media (min-width:768px){ :root{ --wgs-gutter:4vw; } }
@media (min-width:1200px){ :root{ --wgs-gutter:6vw; } }

/* ---------- 2. 基础重置与中文排版 ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion: no-preference){ html{ scroll-behavior:smooth; } }
body{
  margin:0;
  background:var(--wgs-mist);
  color:var(--wgs-ink);
  font-family:var(--wgs-font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
  word-break:normal;
  overflow-wrap:break-word;
}
img,svg,video{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
button{ background:none; border:0; cursor:pointer; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,h5,h6,p,figure,dl,dd{ margin:0; }
table{ border-collapse:collapse; }
h1,h2,h3{ text-wrap:balance; }
:focus-visible{ outline:3px solid var(--wgs-cyan); outline-offset:3px; }
::selection{ background:var(--wgs-neon); color:var(--wgs-blue-deep); }

/* ---------- 3. 工具类 ---------- */
.wgs-shell{
  width:100%;
  max-width:var(--wgs-max);
  margin-inline:auto;
  padding-inline:var(--wgs-gutter);
}
.wgs-mono{ font-family:var(--wgs-font-mono); font-variant-numeric:tabular-nums; }
.wgs-muted{ color:var(--wgs-mid); font-size:14.5px; line-height:1.7; }
.wgs-rule{ height:1px; border:0; margin:0; background:rgba(43,48,54,.16); }
.wgs-link{
  color:var(--wgs-blue);
  border-bottom:2px solid rgba(20,200,192,.5);
  padding-bottom:1px;
  transition:color .2s ease,border-color .2s ease;
}
.wgs-link:hover{ color:var(--wgs-blue-deep); border-bottom-color:var(--wgs-orange); }

/* ---------- 4. 跳转链接 ---------- */
.wgs-skip{
  position:absolute;
  left:16px;
  top:-80px;
  z-index:200;
  background:var(--wgs-neon);
  color:var(--wgs-blue-deep);
  font-weight:800;
  font-size:15px;
  padding:10px 18px;
  border-radius:0 0 var(--wgs-radius) var(--wgs-radius);
  transition:top .2s ease;
}
.wgs-skip:focus{ top:0; }

/* ---------- 5. 通用按钮 ---------- */
.wgs-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:2px solid transparent;
  border-radius:var(--wgs-radius);
  font-family:var(--wgs-font-title);
  font-weight:800;
  font-size:15px;
  line-height:1;
  letter-spacing:.04em;
  text-align:center;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.wgs-btn--accent{ background:var(--wgs-orange); color:var(--wgs-blue-deep); }
.wgs-btn--accent:hover{ background:#FF7038; box-shadow:0 0 0 3px rgba(230,255,59,.55); }
.wgs-btn--ghost{ border-color:rgba(255,255,255,.45); color:var(--wgs-white); }
.wgs-btn--ghost:hover{ border-color:var(--wgs-neon); color:var(--wgs-neon); }
.wgs-btn--blue{ background:var(--wgs-blue); color:var(--wgs-white); }
.wgs-btn--blue:hover{ background:var(--wgs-blue-deep); box-shadow:0 0 0 3px rgba(20,200,192,.35); }
.wgs-btn--outline{ border-color:var(--wgs-blue); color:var(--wgs-blue); background:transparent; }
.wgs-btn--outline:hover{ background:var(--wgs-blue); color:var(--wgs-white); }

/* ---------- 6. 页头 ---------- */
.wgs-header{
  position:sticky;
  top:0;
  z-index:80;
  isolation:isolate;
  transition:box-shadow .2s ease;
}
.wgs-header.is-scrolled{ box-shadow:0 8px 24px rgba(6,46,86,.18); }

.wgs-header__bar{ background:var(--wgs-blue); color:var(--wgs-white); }
.wgs-header__bar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:64px;
  padding-block:10px;
}
.wgs-brand{ display:flex; align-items:baseline; gap:12px; flex:0 0 auto; }
.wgs-brand__mark{
  font-family:var(--wgs-font-title);
  font-weight:900;
  font-size:24px;
  letter-spacing:.08em;
  color:var(--wgs-white);
  padding-right:12px;
  border-right:2px solid rgba(230,255,59,.85);
  line-height:1.1;
}
.wgs-brand__tag{
  font-family:var(--wgs-font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:rgba(255,255,255,.74);
}
.wgs-header__support{
  margin-inline-start:auto;
  font-family:var(--wgs-font-mono);
  font-size:12.5px;
  letter-spacing:.05em;
  color:rgba(255,255,255,.82);
  white-space:nowrap;
}
.wgs-header__actions{ display:flex; align-items:center; gap:12px; flex:0 0 auto; }

.wgs-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 13px;
  border:1px solid rgba(255,255,255,.28);
  border-radius:999px;
  background:rgba(255,255,255,.10);
  color:var(--wgs-white);
  font-family:var(--wgs-font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  transition:border-color .2s ease,background-color .2s ease,color .2s ease;
}
.wgs-chip:hover{ border-color:var(--wgs-neon); background:rgba(255,255,255,.18); }
.wgs-chip__key{ color:rgba(255,255,255,.62); }
.wgs-chip__val{ font-weight:700; }
.wgs-chip.is-copied{ border-color:var(--wgs-neon); color:var(--wgs-neon); }

.wgs-header__nav{
  position:relative;
  background:var(--wgs-white);
  border-bottom:1px solid rgba(11,76,140,.16);
}
.wgs-header__nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
}

.wgs-nav{ display:flex; align-items:center; }
.wgs-nav__list{ display:flex; align-items:center; gap:2px; flex-wrap:wrap; }
.wgs-nav__list a{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  font-size:15px;
  font-weight:600;
  color:var(--wgs-ink);
  transition:color .18s ease;
}
.wgs-nav__list a::after{
  content:"";
  position:absolute;
  left:13px;
  right:13px;
  bottom:2px;
  height:3px;
  background:var(--wgs-orange);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.wgs-nav__list a:hover{ color:var(--wgs-blue); }
.wgs-nav__list a:hover::after{ transform:scaleX(1); }
.wgs-nav__list a[aria-current="page"]{ color:var(--wgs-blue); font-weight:800; }
.wgs-nav__list a[aria-current="page"]::after{ transform:scaleX(1); background:var(--wgs-blue); }
.wgs-nav__cta{ display:none; }

.wgs-nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 14px;
  border-radius:var(--wgs-radius);
  background:var(--wgs-blue-deep);
  color:var(--wgs-white);
  font-family:var(--wgs-font-mono);
  font-size:13px;
  letter-spacing:.14em;
}
.wgs-nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  background:var(--wgs-neon);
}
.wgs-nav-toggle__bars::before,
.wgs-nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--wgs-neon);
  transition:transform .2s ease;
}
.wgs-nav-toggle__bars::before{ top:-6px; }
.wgs-nav-toggle__bars::after{ top:6px; }
.wgs-nav-toggle[aria-expanded="true"] .wgs-nav-toggle__bars{ background:transparent; }
.wgs-nav-toggle[aria-expanded="true"] .wgs-nav-toggle__bars::before{ transform:translateY(6px) rotate(45deg); }
.wgs-nav-toggle[aria-expanded="true"] .wgs-nav-toggle__bars::after{ transform:translateY(-6px) rotate(-45deg); }

/* ---------- 7. 横向章节色带 ---------- */
.wgs-band{ background:var(--wgs-blue); color:var(--wgs-white); }
.wgs-band--deep{ background:var(--wgs-blue-deep); }
.wgs-band--ink{ background:var(--wgs-ink); }
.wgs-band__inner{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:18px;
  min-height:54px;
  padding-block:9px;
}
.wgs-band__no{
  font-family:var(--wgs-font-mono);
  font-size:13px;
  letter-spacing:.18em;
  color:var(--wgs-neon);
}
.wgs-band__title{
  font-family:var(--wgs-font-title);
  font-weight:800;
  font-size:16px;
  letter-spacing:.1em;
}

/* ---------- 8. 标题与正文排版 ---------- */
.wgs-display{
  font-family:var(--wgs-font-title);
  font-weight:900;
  font-size:clamp(32px,6vw,76px);
  line-height:1.04;
  letter-spacing:-.02em;
  color:var(--wgs-blue-deep);
}
.wgs-h2{
  font-family:var(--wgs-font-title);
  font-weight:800;
  font-size:clamp(24px,3.4vw,40px);
  line-height:1.16;
  letter-spacing:-.01em;
  color:var(--wgs-blue-deep);
}
.wgs-h3{
  font-family:var(--wgs-font-title);
  font-weight:700;
  font-size:clamp(18px,2vw,22px);
  line-height:1.35;
  color:var(--wgs-ink);
}
.wgs-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--wgs-font-mono);
  font-size:12.5px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--wgs-blue);
}
.wgs-eyebrow::before{ content:""; width:28px; height:2px; background:var(--wgs-orange); }
.wgs-lead{ font-size:clamp(17px,1.6vw,20px); line-height:1.8; color:var(--wgs-ink); }
.wgs-text{ font-size:17px; line-height:1.75; color:var(--wgs-ink); }

/* ---------- 9. 栅格与卡片 ---------- */
.wgs-grid{ display:grid; gap:24px; grid-template-columns:1fr; }
@media (min-width:700px){
  .wgs-grid--2{ grid-template-columns:repeat(2,1fr); }
  .wgs-grid--3{ grid-template-columns:repeat(2,1fr); }
}
@media (min-width:1000px){
  .wgs-grid--3{ grid-template-columns:repeat(3,1fr); }
}
.wgs-card{
  position:relative;
  background:var(--wgs-white);
  border:1px solid rgba(43,48,54,.10);
  border-radius:0;
  padding:24px;
}
.wgs-card + .wgs-card{ margin-top:0; }

/* ---------- 10. 图片容器（页面阶段放置图片） ---------- */
.wgs-figure{ margin:0; }
.wgs-media{
  position:relative;
  overflow:hidden;
  background:var(--wgs-blue-deep);
  aspect-ratio:4 / 3;
}
.wgs-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.wgs-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,46,86,.10),rgba(6,46,86,.48));
  opacity:.75;
  transition:opacity .3s ease;
  pointer-events:none;
}
.wgs-media:hover img{ transform:scale(1.04); }
.wgs-media:hover::after{ opacity:.95; }
.wgs-media--wide{ aspect-ratio:16 / 9; }
.wgs-media--square{ aspect-ratio:1 / 1; }
.wgs-media--tall{ aspect-ratio:3 / 4; }
.wgs-media--cut{ clip-path:polygon(0 0,100% 0,100% calc(100% - 48px),0 100%); }
.wgs-figure__caption{
  margin-top:10px;
  font-family:var(--wgs-font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--wgs-mid);
}

/* ---------- 11. 标签、数据锚点、表格 ---------- */
.wgs-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:999px;
  border:1px solid rgba(11,76,140,.20);
  background:rgba(11,76,140,.08);
  color:var(--wgs-blue);
  font-family:var(--wgs-font-mono);
  font-size:12px;
  letter-spacing:.06em;
}
.wgs-tag--accent{ background:var(--wgs-orange); border-color:transparent; color:var(--wgs-blue-deep); }
.wgs-tag--dark{ background:rgba(255,255,255,.08); border-color:rgba(230,255,59,.45); color:var(--wgs-neon); }

.wgs-stat{ display:flex; flex-direction:column; gap:6px; }
.wgs-stat__value{
  font-family:var(--wgs-font-mono);
  font-weight:700;
  font-size:clamp(30px,5vw,52px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--wgs-blue-deep);
}
.wgs-stat__unit{
  font-size:.4em;
  font-weight:700;
  vertical-align:super;
  margin-inline-start:3px;
  color:var(--wgs-orange);
}
.wgs-stat__label{ font-size:13.5px; letter-spacing:.04em; color:var(--wgs-mid); }

.wgs-table-wrap{ width:100%; overflow-x:auto; }
.wgs-table{ width:100%; min-width:520px; background:var(--wgs-white); font-size:15px; }
.wgs-table th,
.wgs-table td{ padding:12px 14px; text-align:left; border-bottom:1px solid rgba(43,48,54,.12); }
.wgs-table thead th{
  background:var(--wgs-blue-deep);
  color:var(--wgs-white);
  font-family:var(--wgs-font-mono);
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
}
.wgs-table tbody tr:nth-child(even){ background:rgba(243,245,247,.75); }
.wgs-table td.is-num{ font-family:var(--wgs-font-mono); font-variant-numeric:tabular-nums; }

/* ---------- 12. 面包屑与提示块 ---------- */
.wgs-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  padding-block:14px;
  font-family:var(--wgs-font-mono);
  font-size:12.5px;
  color:var(--wgs-mid);
}
.wgs-breadcrumb li{ display:inline-flex; align-items:center; }
.wgs-breadcrumb li::after{ content:"/"; margin-inline:9px; color:rgba(107,115,124,.6); }
.wgs-breadcrumb li:last-child::after{ content:""; margin:0; }
.wgs-breadcrumb a{ color:var(--wgs-blue); border-bottom:1px solid rgba(11,76,140,.3); }
.wgs-breadcrumb a:hover{ border-bottom-color:var(--wgs-orange); }

.wgs-notice{
  border-left:4px solid var(--wgs-danger);
  background:var(--wgs-white);
  padding:16px 20px;
  font-size:15px;
  color:var(--wgs-ink);
}

/* ---------- 13. 页脚 ---------- */
.wgs-footer{
  position:relative;
  overflow:hidden;
  background:var(--wgs-blue-deep);
  color:var(--wgs-white);
}
.wgs-footer__grid{
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:8px 8px;
}
.wgs-footer__topline{
  position:relative;
  height:6px;
  background:linear-gradient(90deg,var(--wgs-orange) 0%,var(--wgs-orange) 38%,var(--wgs-neon) 38%,var(--wgs-neon) 52%,rgba(255,255,255,.18) 52%,rgba(255,255,255,.18) 100%);
}
.wgs-footer__inner{ position:relative; z-index:1; padding-block:56px 0; }
.wgs-footer__top{ display:grid; gap:40px; grid-template-columns:1fr; }
@media (min-width:900px){
  .wgs-footer__top{ grid-template-columns:5fr 7fr; gap:56px; }
}

.wgs-footer__mark{
  font-family:var(--wgs-font-title);
  font-weight:900;
  font-size:30px;
  letter-spacing:.08em;
  line-height:1.1;
  color:var(--wgs-white);
}
.wgs-footer__tag{
  margin-top:8px;
  font-family:var(--wgs-font-mono);
  font-size:12.5px;
  letter-spacing:.16em;
  color:var(--wgs-neon);
}
.wgs-footer__closing{
  margin-top:18px;
  max-width:34em;
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.76);
}
.wgs-footer__cta{ margin-top:22px; }

.wgs-footer__nav{ display:grid; gap:28px; grid-template-columns:1fr; }
@media (min-width:560px){
  .wgs-footer__nav{ grid-template-columns:repeat(3,1fr); }
}
.wgs-footer__title{
  font-family:var(--wgs-font-title);
  font-weight:800;
  font-size:14px;
  letter-spacing:.14em;
  color:var(--wgs-white);
  padding-bottom:10px;
  border-bottom:2px solid rgba(230,255,59,.55);
}
.wgs-footer__list{ margin-top:16px; display:grid; gap:10px; }
.wgs-footer__list a{
  font-size:15px;
  color:rgba(255,255,255,.78);
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.wgs-footer__list a:hover{ color:var(--wgs-neon); border-bottom-color:var(--wgs-cyan); }

.wgs-footer__contact{
  display:grid;
  gap:22px;
  grid-template-columns:1fr;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.16);
}
@media (min-width:640px){ .wgs-footer__contact{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1000px){ .wgs-footer__contact{ grid-template-columns:repeat(4,1fr); } }
.wgs-footer__key{
  font-family:var(--wgs-font-mono);
  font-size:11.5px;
  letter-spacing:.18em;
  color:var(--wgs-cyan);
}
.wgs-footer__val{
  margin-top:8px;
  font-size:15.5px;
  line-height:1.6;
  color:var(--wgs-white);
  word-break:break-all;
}

.wgs-footer__base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 28px;
  margin-top:36px;
  padding-block:22px;
  border-top:1px solid rgba(255,255,255,.16);
  font-family:var(--wgs-font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  color:rgba(255,255,255,.68);
}
.wgs-footer__icp{ color:rgba(255,255,255,.86); }
.wgs-footer__domain{ color:var(--wgs-neon); }

/* ---------- 14. 滚动进度与显现 ---------- */
.wgs-scroll-progress{
  position:fixed;
  left:0;
  top:0;
  height:3px;
  width:0;
  background:linear-gradient(90deg,var(--wgs-orange),var(--wgs-neon));
  z-index:120;
  pointer-events:none;
}
.wgs-js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .24s ease,transform .24s ease;
}
.wgs-js [data-reveal].is-visible{ opacity:1; transform:none; }

/* ---------- 15. 断点：移动端与平板 ---------- */
@media (max-width:900px){
  .wgs-header__support{ display:none; }
  .wgs-brand__tag{ display:none; }
  .wgs-nav-toggle{ display:inline-flex; }
  .wgs-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:block;
    background:var(--wgs-white);
    border-top:1px solid rgba(11,76,140,.16);
    border-bottom:4px solid var(--wgs-orange);
    max-height:0;
    visibility:hidden;
    overflow:hidden;
    transition:max-height .28s ease,visibility .28s ease;
  }
  .wgs-nav[data-open]{
    max-height:min(80vh,680px);
    visibility:visible;
    overflow-y:auto;
  }
  .wgs-nav__list{ flex-direction:column; align-items:stretch; gap:0; padding-block:6px; }
  .wgs-nav__list a{
    display:block;
    padding:15px 24px;
    font-size:17px;
    border-bottom:1px solid rgba(43,48,54,.08);
  }
  .wgs-nav__list a::after{ display:none; }
  .wgs-nav__list a[aria-current="page"]{
    background:rgba(11,76,140,.06);
    box-shadow:inset 4px 0 0 var(--wgs-orange);
  }
  .wgs-nav__cta{
    display:flex;
    margin:16px 24px 22px;
    width:calc(100% - 48px);
  }
}

@media (max-width:640px){
  body{ font-size:16px; }
  .wgs-header__bar-inner{ gap:12px; min-height:58px; }
  .wgs-brand__mark{ font-size:21px; padding-right:0; border-right:0; }
  .wgs-chip{ padding:6px 10px; font-size:11.5px; }
  .wgs-header__actions .wgs-btn--accent{ display:none; }
  .wgs-footer__inner{ padding-block:44px 0; }
  .wgs-footer__mark{ font-size:26px; }
}

/* ---------- 16. 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .wgs-js [data-reveal]{ opacity:1; transform:none; }
  .wgs-media:hover img{ transform:none; }
  .wgs-scroll-progress{ display:none; }
}