:root {
  --wb-primary: #1769ff;
  --wb-primary-dark: #0e52cc;
  --wb-soft: #f4f8ff;
  --wb-bg: #f7fbff;
  --wb-ink: #162235;
  --wb-muted: #60718b;
  --wb-line: #dfe8f6;
  --wb-card: #ffffff;
  --wb-radius: 14px;
  --wb-wrap: 1320px;
  --wb-topbar-h: 70px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--wb-ink);
  background: linear-gradient(180deg, #f4f8ff 0%, #f9fbff 280px, #fff 281px);
  line-height: 1.7;
  padding-top: var(--wb-topbar-h);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

.wb-wrap { max-width: var(--wb-wrap); margin: 0 auto; padding: 0 20px; }
.wb-main { display: block; }
.wb-skip { position: absolute; left: -9999px; }
.wb-skip:focus { left: 10px; top: 10px; z-index: 9999; padding: 8px 12px; background: #111; color: #fff; border-radius: 8px; }

.wb-topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  height: var(--wb-topbar-h);
  border-bottom: 1px solid var(--wb-line);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
}
.wb-topbar__inner { height: var(--wb-topbar-h); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.wb-brand img { height: 34px; }
.wb-topnav { display: flex; align-items: center; gap: 6px; }
.wb-topnav a { padding: 8px 12px; border-radius: 999px; color: #354964; font-size: 14px; }
.wb-topnav a:hover { color: var(--wb-primary); background: #edf5ff; }
.wb-topbar__right { display: flex; align-items: center; gap: 10px; }
.wb-menu { display: none; border: 1px solid var(--wb-line); border-radius: 10px; padding: 8px; background: #fff; }
.wb-menu svg { width: 20px; height: 20px; }

.wb-btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid #cedcf0; border-radius: 12px;
  background: #fff; color: #1f2f47;
  padding: 11px 18px; font-weight: 600;
}
.wb-btn:hover { border-color: #adc4e4; }
.wb-btn--primary { border-color: var(--wb-primary); background: linear-gradient(135deg, var(--wb-primary), #3c8dff); color: #fff !important; }
.wb-btn--primary:hover { background: linear-gradient(135deg, var(--wb-primary-dark), var(--wb-primary)); color: #fff !important; }
.wb-btn--block { width: 100%; }
.wb-disabled { opacity: .55; pointer-events: none; }

.wb-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding-top: 20px;
  padding-bottom: 30px;
}
.wb-sidebar {
  position: sticky;
  top: calc(var(--wb-topbar-h) + 14px);
  border: 1px solid var(--wb-line);
  border-radius: var(--wb-radius);
  background: var(--wb-card);
  padding: 16px;
  display: grid;
  gap: 8px;
}
.wb-sidebar h2 { margin: 0 0 6px; font-size: 16px; }
.wb-sidebar a { color: #2f4666; border-radius: 8px; padding: 8px 10px; }
.wb-sidebar a:hover { color: var(--wb-primary); background: #eef5ff; }

.wb-content { display: grid; gap: 16px; }
.wb-block {
  border: 1px solid var(--wb-line);
  border-radius: var(--wb-radius);
  background: var(--wb-card);
  padding: 22px;
}
.wb-block--hero {
  background: linear-gradient(145deg, #ffffff, #f1f7ff);
  box-shadow: 0 16px 28px rgba(23,105,255,.08);
}
.wb-block--alt { background: var(--wb-soft); }
.wb-kicker { margin: 0 0 8px; color: var(--wb-primary); font-weight: 700; }
.wb-block h1 { margin: 0; font-size: clamp(30px, 4.6vw, 52px); line-height: 1.15; }
.wb-block h2 { margin: 0; font-size: clamp(22px, 3vw, 36px); line-height: 1.2; }
.wb-block p { margin: 12px 0 0; color: var(--wb-muted); }
.wb-titleRow { display: flex; justify-content: space-between; gap: 12px; align-items: end; margin-bottom: 14px; }
.wb-titleRow p { margin: 0; }
.wb-meta { margin-top: 8px; color: #6e7f98; font-size: 14px; }

.wb-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

.wb-grid { display: grid; gap: 14px; }
.wb-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.wb-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.wb-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.wb-grid--articles { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.wb-card {
  border: 1px solid var(--wb-line);
  border-radius: 12px;
  background: #fff;
  padding: 16px;
}
.wb-card--lg { padding: 22px; }
.wb-card h3 { margin: 0 0 8px; }
.wb-card p { margin: 0; color: #586b86; }
.wb-card a { margin-top: 10px; display: inline-flex; color: var(--wb-primary); font-weight: 600; }
.wb-card a.wb-btn { color: #1f2f47 !important; }
.wb-card a.wb-btn--primary { color: #fff !important; }
.wb-btn--primary,
.wb-btn--primary:visited,
.wb-btn--primary:hover,
.wb-btn--primary:active,
.wb-btn--primary:focus { color: #fff !important; }

.wb-toolbar {
  border: 1px solid var(--wb-line);
  border-radius: 12px;
  background: #fff;
  padding: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.wb-toolbar a {
  border: 1px solid #cfe0f5;
  border-radius: 999px;
  padding: 6px 12px;
  background: #f2f7ff;
  color: #335071;
  font-size: 14px;
}
.wb-toolbar a:hover { color: var(--wb-primary); border-color: #a9c5ea; }

.wb-article {
  border: 1px solid var(--wb-line);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
}
.wb-article__img img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.wb-article__body { padding: 14px; display: grid; gap: 8px; }
.wb-article__body h2,
.wb-article__body h3 { margin: 0; font-size: 20px; line-height: 1.35; }
.wb-article__body p { margin: 0; color: #5a6d88; }
.wb-article__body span { font-size: 13px; color: #6f819a; }

.wb-breadcrumb { margin: 0 0 10px; display: flex; gap: 8px; flex-wrap: wrap; color: #70829b; font-size: 13px; }
.wb-breadcrumb a { color: #52667f; }

.wb-articleBody {
  border: 1px solid var(--wb-line);
  border-radius: 12px;
  background: #fff;
  padding: 20px;
}
.wb-intro {
  margin-bottom: 14px;
  border: 1px solid #cae0fb;
  border-left: 4px solid var(--wb-primary);
  border-radius: 10px;
  background: #eff6ff;
  color: #3e5371;
  padding: 12px 14px;
}
.wb-prose h2,
.wb-prose h3 { margin-top: 20px; line-height: 1.32; }
.wb-prose a { color: var(--wb-primary); text-decoration: underline; }
.wb-cta {
  margin-top: 20px;
  border: 1px solid #cfe2fb;
  border-radius: 12px;
  background: linear-gradient(135deg, #edf5ff, #f8fbff);
  padding: 18px;
}
.wb-cta h2 { margin: 0 0 8px; font-size: 22px; }
.wb-cta p { margin: 0; }
.wb-pn { margin-top: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.wb-aside { display: grid; gap: 12px; }
.wb-sideCard {
  border: 1px solid var(--wb-line);
  border-radius: 12px;
  background: #fff;
  padding: 16px;
}
.wb-sideCard h3 { margin: 0 0 8px; }
.wb-sideCard p { margin: 0; color: #5b6f8b; }
.wb-sideLinks { display: grid; gap: 8px; margin-top: 8px; }
.wb-sideLinks a { color: #2e496c; padding-bottom: 8px; border-bottom: 1px dashed #d7e4f7; }
.wb-sideLinks a:hover { color: var(--wb-primary); }

.wb-pagination { margin-top: 16px; display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; }
.wb-pagination a,
.wb-pagination span {
  min-width: 36px; height: 36px; padding: 0 10px;
  border: 1px solid var(--wb-line); border-radius: 10px;
  background: #fff; display: inline-flex; align-items: center; justify-content: center;
}
.wb-pagination .current,
.wb-pagination .active { color: var(--wb-primary); border-color: #afc9eb; background: #eef6ff; }

.wb-footer { margin-top: 24px; background: #11243f; color: rgba(255,255,255,.9); }
.wb-foot-cta {
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(23,105,255,.46), rgba(80,159,255,.26));
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  margin-top: 28px;
}
.wb-foot-cta__k { margin: 0; font-weight: 700; color: #d7e8ff; }
.wb-foot-cta h2 { margin: 8px 0 0; color: #fff; line-height: 1.24; }
.wb-foot-cta p { margin: 8px 0 0; color: rgba(255,255,255,.82); }
.wb-foot-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 16px;
}
.wb-foot-grid h3 { margin: 0 0 8px; color: #fff; }
.wb-foot-grid p { margin: 0; color: rgba(255,255,255,.76); }
.wb-foot-grid ul { margin: 0; padding-left: 16px; color: rgba(255,255,255,.76); }
.wb-foot-grid a:hover { color: #fff; }
.wb-foot-bottom { margin-top: 20px; border-top: 1px solid rgba(255,255,255,.14); padding: 14px 0; }
.wb-foot-bottom__in { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 14px; }

@media (max-width: 1180px) {
  .wb-shell { grid-template-columns: 1fr; }
  .wb-sidebar { position: static; }
}

@media (max-width: 1024px) {
  :root { --wb-topbar-h: 64px; }
  .wb-menu { display: inline-flex; }
  .wb-topnav {
    position: absolute;
    top: calc(var(--wb-topbar-h) - 1px);
    left: 14px;
    right: 14px;
    border: 1px solid var(--wb-line);
    border-radius: 12px;
    background: #fff;
    padding: 10px;
    display: grid;
  }
  .wb-topnav[aria-hidden="true"] { display: none; }

  .wb-grid--2,
  .wb-grid--3,
  .wb-grid--4,
  .wb-grid--articles,
  .wb-pn,
  .wb-foot-grid,
  .wb-foot-cta { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wb-btn { width: 100%; }
  .wb-actions { width: 100%; }
}