:root {
  --bg: #ffffff;
  --ink: #333333;
  --muted: #666666;
  --line: #e6edff;
  --brand: #007aff;
  --surface: #ffffff;
  --radius: 8px;
  --btn-radius: 4px;
  --wrap: 1200px;
}
* { 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(--ink);
  background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wb-wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.wb-main { padding: 110px 0 80px; }
.wb-skip { position: absolute; left: -9999px; }
.wb-skip:focus { left: 10px; top: 10px; z-index: 999; background: #111; color: #fff; padding: 8px 10px; }

.wb-siteHead {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,.84);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.wb-siteHead__main { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.wb-brand { display: flex; align-items: center; gap: 10px; }
.wb-logo { height: 34px; width: auto; }
.wb-brand__text { font-size: 14px; font-weight: 600; color: #1d4ea7; }
.wb-topnav { display: flex; align-items: center; gap: 6px; }
.wb-topnav a {
  padding: 8px 12px;
  border-radius: 4px;
  color: var(--muted);
  font-size: 14px;
}
.wb-topnav a:hover { background: #f0f6ff; color: #004dba; }
.wb-siteHead__actions { display: flex; align-items: center; gap: 10px; }
.wb-menu { display: none; border: 1px solid var(--line); background: #fff; border-radius: 4px; padding: 8px; }
.wb-menu svg { width: 20px; height: 20px; }

.wb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 16px;
  border-radius: var(--btn-radius);
  border: 1px solid #bcd5ff;
  background: #fff;
  color: #1559c0;
  font-size: 14px;
  font-weight: 600;
}
.wb-btn--primary {
  color: #fff;
  border-color: #007aff;
  background: #007aff;
}
.wb-btn--primary:hover { background: #006fe8; }
.hero-actions, .wb-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

.hero-shell, .page-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(8px);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 24px;
  align-items: center;
}
.hero-shell h1, .page-shell h1 {
  margin: 8px 0 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.2;
  color: #1c1c1c;
}
.hero-eyebrow, .section-kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .08em;
  color: #007aff;
  font-weight: 700;
  text-transform: uppercase;
}
.hero-lead { margin: 14px 0 0; max-width: 62ch; font-size: 16px; color: var(--muted); }
.hero-stats { margin-top: 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.hero-stat {
  border-radius: 8px;
  border: 1px solid #d8e7ff;
  background: #f7fbff;
  padding: 12px;
}
.hero-stat strong { display: block; color: #005ec7; font-size: 24px; }
.hero-stat span { color: #5d7ea8; font-size: 13px; }
.hero-badges, .hero-tags { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.wb-tag, .hero-badges span {
  border-radius: 999px;
  border: 1px solid #d8e7ff;
  background: #f4f9ff;
  color: #3369ab;
  font-size: 12px;
  padding: 4px 10px;
}
.hero-image img { border-radius: 8px; border: 1px solid #dce8ff; }

.section-card {
  margin-top: 50px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.88);
  padding: 36px;
}
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 14px; margin-bottom: 18px; }
.section-head h2 { margin: 4px 0 0; font-size: clamp(24px, 3vw, 36px); line-height: 1.25; }

.feature-grid, .feature-grid--4, .download-grid, .testimonials-grid, .article-feed, .wb-pn { display: grid; gap: 14px; }
.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feature-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.download-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.testimonials-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.feature-card, .download-card, .testimonial-card, .mini-list-card, .faq-card {
  border: 1px solid #deebff;
  border-radius: 8px;
  background: #ffffff;
  padding: 18px;
}
.feature-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #eef6ff;
  color: #007aff;
  font-size: 20px;
  margin-bottom: 10px;
}
.feature-card h3, .download-card h3, .testimonial-card h3 { margin: 0 0 8px; font-size: 18px; }
.feature-card p, .download-card p, .testimonial-card p, .mini-list-card p, .wb-meta { margin: 0; color: var(--muted); font-size: 14px; }
.download-card__head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.download-card__head img {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid #dce9ff;
}

.article-card {
  border: 1px solid #deebff;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  display: grid;
  grid-template-columns: 250px 1fr;
}
.article-card__img img { width: 100%; height: 100%; object-fit: cover; }
.article-card__body { padding: 16px; display: grid; gap: 8px; align-content: start; }
.article-card__body h2, .article-card__body h3 { margin: 0; font-size: 20px; line-height: 1.35; }
.article-card__body p, .article-card__body span { margin: 0; color: var(--muted); }

.toolbar-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.toolbar-row a {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #d8e8ff;
  background: #f4f9ff;
  color: #3168ad;
  font-size: 13px;
}
.article-body { padding: 26px; }
.article-intro {
  border: 1px solid #d7e7ff;
  border-left: 4px solid #007aff;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 16px;
  background: #f5faff;
  color: #4c6f9b;
}
.wb-prose, .wb-prose p, .wb-prose li, .wb-prose h1, .wb-prose h2, .wb-prose h3 { color: #333333; }
.wb-prose a { color: #007aff; text-decoration: underline; }
.download-banner {
  margin-top: 16px;
  border: 1px solid #d6e7ff;
  border-radius: 8px;
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  background: #f7fbff;
}
.wb-pn { margin-top: 14px; grid-template-columns: 1fr 1fr; }
.wb-btn--block { width: 100%; }
.wb-disabled { opacity: .56; pointer-events: none; }
.wb-pagination { margin-top: 16px; display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }

.final-cta { text-align: center; max-width: 820px; margin: 0 auto; }
.final-cta h2 { margin: 0; font-size: clamp(28px, 3vw, 42px); line-height: 1.25; }
.final-cta p { margin: 12px 0 0; color: var(--muted); font-size: 16px; }
.final-cta .hero-actions { justify-content: center; }
.proof-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.proof-row span {
  border-radius: 999px;
  border: 1px solid #d7e7ff;
  background: #f4f9ff;
  color: #3b6fae;
  padding: 8px 12px;
  font-size: 13px;
}

.wb-footer { margin-top: 60px; padding-top: 30px; background: #f5f9ff; border-top: 1px solid #dceaff; color: #2f4a6e; }
.wb-foot-cta {
  border: 1px solid #d8e7ff;
  border-radius: 8px;
  background: #ffffff;
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
}
.wb-foot-cta h2 { margin: 4px 0; color: #243f61; }
.wb-foot-cta p, .wb-foot-cta__k { margin: 0; color: #58789f; }
.wb-foot-grid { margin-top: 20px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 14px; }
.wb-foot-grid h3 { margin: 0 0 8px; color: #2d4c74; }
.wb-foot-grid p, .wb-foot-grid ul { margin: 0; padding-left: 0; list-style: none; color: #5e7ea6; }
.wb-foot-grid li { margin-bottom: 8px; }
.wb-foot-bottom { margin-top: 18px; border-top: 1px solid #dceaff; padding: 12px 0; }
.wb-foot-bottom__in { display: flex; justify-content: space-between; gap: 8px; color: #6d88aa; font-size: 14px; }

.wb-faqBtn {
  width: 100%;
  border: none;
  background: transparent;
  padding: 0;
  text-align: left;
  font-size: 17px;
  font-weight: 600;
  color: #2b5f97;
  cursor: pointer;
}
.wb-faqPanel p { margin: 10px 0 0; color: var(--muted); }
.faq-card { margin-bottom: 10px; }

@media (max-width: 1024px) {
  .wb-menu { display: inline-flex; }
  .wb-topnav {
    position: absolute;
    top: 78px;
    left: 12px;
    right: 12px;
    display: grid;
    padding: 10px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
  }
  .wb-topnav[aria-hidden="true"] { display: none; }
  .hero-shell, .page-shell, .feature-grid, .feature-grid--4, .download-grid, .testimonials-grid, .wb-foot-grid, .wb-pn, .download-banner, .article-card, .wb-foot-cta { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .wb-main { padding-top: 96px; }
  .wb-btn { width: 100%; }
  .hero-shell, .page-shell, .section-card, .article-body { padding: 18px; }
  .hero-stats { grid-template-columns: 1fr; }
  .wb-siteHead__actions .wb-btn { display: none; }
}

/* ====== 2026 UI Redesign Overrides ====== */
:root {
  --bg: #ffffff;
  --ink: #333333;
  --muted: #666666;
  --line: #dfe9ff;
  --brand: #007aff;
  --radius: 8px;
  --btn-radius: 4px;
}
body {
  background: radial-gradient(circle at right top, rgba(0,122,255,.08), transparent 38%), #ffffff;
}
.wb-main { padding-top: 118px; }
.wb-surface {
  background: rgba(255,255,255,.9);
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.wb-surface-soft {
  background: linear-gradient(180deg, #ffffff, #f5f9ff);
  border: 1px solid #d9e8ff;
}
.section-card { margin-top: 44px; }

.wb-siteHead {
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid #dce7ff;
  box-shadow: 0 10px 26px rgba(32,88,170,.08);
}
.wb-siteHead__main { min-height: 78px; gap: 18px; }
.wb-brand { flex: 0 0 auto; }
.wb-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
}
.wb-brand__text { display: none !important; }
.wb-topnav {
  flex: 1 1 auto;
  justify-content: center;
  gap: 8px;
}
.wb-topnav a {
  font-size: 14px;
  font-weight: 600;
  color: #4d688c;
  padding: 9px 12px;
}
.wb-topnav a:hover {
  color: #0068d9;
  background: #f1f7ff;
}
.wb-siteHead__actions { gap: 8px; }

.wb-btn {
  min-height: 40px;
  border-radius: var(--btn-radius);
  font-weight: 600;
}
.wb-btn--ghost {
  border-color: #cfe0ff;
  color: #1b5dbd;
  background: #f5f9ff;
}
.wb-btn--primary {
  background: var(--brand);
  border-color: var(--brand);
}

.wb-pageHead {
  padding: 42px;
  border-radius: 8px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 24px;
  align-items: start;
}
.wb-pageHead__main h1 {
  margin: 8px 0 0;
  font-size: clamp(30px, 3.5vw, 48px);
  line-height: 1.18;
}
.wb-pageHead__aside { display: block; }
.wb-sideInfo {
  border: 1px solid #dce8ff;
  background: #f8fbff;
}
.wb-sideInfo h3 { margin-top: 0; color: #245ba8; }
.wb-productPreview {
  border: 1px solid #dce8ff;
  border-radius: 8px;
  overflow: hidden;
  background: #f8fbff;
}
.wb-productPreview img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}
.wb-productPreview p {
  margin: 0;
  padding: 12px;
  color: #5b779e;
  font-size: 14px;
}

.wb-chipRow { margin-bottom: 18px; }
.wb-chipRow a { font-weight: 600; }
.wb-downloadMatrix {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.wb-platformCard {
  border: 1px solid #d9e8ff;
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f6faff);
  padding: 16px;
  display: grid;
  gap: 10px;
  align-content: start;
}
.wb-platformCard h3 {
  margin: 0;
  font-size: 18px;
  color: #1f4f94;
}
.wb-platformCard p {
  margin: 0;
  font-size: 14px;
  color: #5f7ea7;
}

.article-card {
  border: 1px solid #d7e6ff;
  transition: transform .25s ease, box-shadow .25s ease;
}
.article-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(30,93,180,.1);
}
.article-card__body h2 a,
.article-card__body h3 a { color: #214f94; }

.article-body {
  border: 1px solid #d8e6ff;
  border-radius: 8px;
}
.download-banner h2 { margin: 6px 0; font-size: clamp(24px, 2.5vw, 32px); }

.wb-footer {
  background: linear-gradient(180deg, #f6faff, #eef5ff);
  border-top: 1px solid #d8e6ff;
  margin-top: 64px;
}
.wb-foot-cta {
  border: 1px solid #cfe1ff;
  box-shadow: 0 10px 24px rgba(26,95,180,.06);
}
.wb-foot-grid {
  margin-top: 24px;
  gap: 20px;
}
.wb-foot-grid a:hover { color: #007aff; }
.wb-foot-bottom__in {
  align-items: center;
}
.wb-foot-links {
  display: flex;
  gap: 12px;
}

@media (max-width: 1024px) {
  .wb-main { padding-top: 100px; }
  .wb-pageHead {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .wb-downloadMatrix { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wb-topnav {
    justify-content: flex-start;
    gap: 4px;
  }
}
@media (max-width: 768px) {
  .wb-siteHead__main {
    min-height: 72px;
  }
  .wb-topnav {
    position: absolute;
    top: 76px;
    left: 12px;
    right: 12px;
    display: grid;
    padding: 12px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid #dbe7ff;
    box-shadow: 0 12px 26px rgba(30,80,160,.12);
  }
  .wb-topnav[aria-hidden="true"] { display: none; }
  .wb-siteHead__actions .wb-btn { display: none; }
  .wb-menu { display: inline-flex; }
  .wb-downloadMatrix { grid-template-columns: 1fr; }
}