/* yunzhu.org.cn 官网自定义样式 */
:root {
  --brand: #1677FF;
  --brand-dark: #0958D9;
  --brand-light: #E6F4FF;
  --ink: #1F2937;
  --ink-2: #4B5563;
  --ink-3: #6B7280;
  --line: #E8ECF0;
  --bg: #F5F7FA;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 顶部导航 */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, #1677FF 0%, #4096FF 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 16px;
  box-shadow: 0 2px 8px rgba(22,119,255,0.25);
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { color: var(--ink-2); font-size: 14px; }
.nav-links a:hover { color: var(--brand); }
.nav-cta {
  background: var(--brand); color: #fff !important;
  padding: 8px 18px; border-radius: 6px; font-size: 14px; font-weight: 500;
  transition: background .2s;
}
.nav-cta:hover { background: var(--brand-dark); color: #fff !important; }

/* Hero */
.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(22,119,255,0.08), transparent 60%),
    radial-gradient(800px 400px at 10% 20%, rgba(22,119,255,0.05), transparent 60%),
    #fff;
}
.hero h1 {
  font-size: 52px; line-height: 1.15; font-weight: 800;
  letter-spacing: -0.5px; margin: 0 0 20px; color: var(--ink);
}
.hero h1 .accent { color: var(--brand); }
.hero p.lead {
  font-size: 19px; color: var(--ink-2); max-width: 720px; margin: 0 0 36px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 8px; font-weight: 600; font-size: 15px;
  transition: all .2s; cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(22,119,255,0.3); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }

.hero-stats {
  display: flex; gap: 48px; margin-top: 56px; flex-wrap: wrap;
}
.hero-stats .stat .num { font-size: 32px; font-weight: 800; color: var(--brand); }
.hero-stats .stat .lbl { font-size: 14px; color: var(--ink-3); }

/* 通用 section */
.section { padding: 88px 0; }
.section-alt { background: var(--bg); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .eyebrow {
  display: inline-block; font-size: 13px; color: var(--brand); font-weight: 600;
  background: var(--brand-light); padding: 4px 12px; border-radius: 20px; margin-bottom: 16px;
}
.section-head h2 { font-size: 36px; font-weight: 800; margin: 0 0 16px; letter-spacing: -0.3px; }
.section-head p { font-size: 17px; color: var(--ink-2); margin: 0; }

/* 产品卡 */
.products {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
}
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 36px; transition: all .25s; position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(15,23,42,0.08);
  border-color: rgba(22,119,255,0.3);
}
.product-card .badge {
  position: absolute; top: 20px; right: 20px;
  font-size: 12px; padding: 3px 10px; border-radius: 12px; font-weight: 600;
}
.badge-live { background: #F6FFED; color: #52C41A; border: 1px solid #B7EB8F; }
.badge-soon { background: #FFF7E6; color: #FA8C16; border: 1px solid #FFD591; }
.product-card .picon {
  width: 56px; height: 56px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin-bottom: 20px;
}
.picon-blue { background: var(--brand-light); color: var(--brand); }
.picon-gold { background: #FFF7E6; color: #D48806; }
.product-card h3 { font-size: 22px; margin: 0 0 8px; font-weight: 700; }
.product-card .sub { color: var(--ink-3); font-size: 14px; margin-bottom: 20px; }
.product-card ul { list-style: none; padding: 0; margin: 0 0 24px; }
.product-card ul li {
  padding: 6px 0 6px 24px; position: relative; color: var(--ink-2); font-size: 14px;
}
.product-card ul li::before {
  content: ""; position: absolute; left: 0; top: 13px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--brand-light) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231677FF'><path d='M6.2 10.8L3.4 8l-1 1 3.8 3.8 7.4-7.4-1-1z'/></svg>") center/contain no-repeat;
}
.product-card .pfooter { margin-top: auto; display: flex; gap: 12px; }
.product-card .pfooter a.btn { flex: 1; justify-content: center; padding: 10px 20px; font-size: 14px; }

/* 特性栅格 */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 28px 24px;
  transition: all .2s;
}
.feature:hover { border-color: var(--brand); box-shadow: 0 8px 20px rgba(22,119,255,0.08); }
.feature .fico {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--brand-light); color: var(--brand);
  display: flex; align-items: center; justify-content: center; font-size: 22px;
  margin-bottom: 16px;
}
.feature h4 { margin: 0 0 8px; font-size: 16px; font-weight: 700; }
.feature p { margin: 0; color: var(--ink-3); font-size: 13.5px; line-height: 1.65; }

/* 价格 */
.pricing-wrap {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 820px; margin: 0 auto;
}
.price-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 40px 36px;
  text-align: center; position: relative;
}
.price-card.highlight {
  border-color: var(--brand);
  box-shadow: 0 20px 40px rgba(22,119,255,0.12);
}
.price-card .tag {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--brand); color: #fff; font-size: 12px; padding: 4px 14px;
  border-radius: 12px; font-weight: 600;
}
.price-card h4 { font-size: 18px; margin: 0 0 12px; color: var(--ink-2); }
.price-card .price { font-size: 44px; font-weight: 800; color: var(--ink); margin: 0 0 4px; }
.price-card .price .yuan { font-size: 20px; font-weight: 600; vertical-align: top; margin-right: 4px; }
.price-card .price .unit { font-size: 14px; color: var(--ink-3); font-weight: 400; }
.price-card .desc { color: var(--ink-3); font-size: 14px; margin: 0 0 24px; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 28px; text-align: left; }
.price-card ul li {
  padding: 8px 0 8px 28px; position: relative; color: var(--ink-2); font-size: 14px;
  border-bottom: 1px dashed var(--line);
}
.price-card ul li:last-child { border-bottom: none; }
.price-card ul li::before {
  content: "✓"; position: absolute; left: 0; top: 8px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #F6FFED; color: #52C41A; font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* CTA */
.cta-band {
  background: linear-gradient(135deg, #1677FF 0%, #0958D9 100%);
  color: #fff; border-radius: 20px; padding: 56px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-band h3 { font-size: 28px; margin: 0 0 8px; font-weight: 700; }
.cta-band p { margin: 0; opacity: 0.9; font-size: 16px; }
.cta-band .btn {
  background: #fff; color: var(--brand); padding: 14px 32px; font-size: 16px;
}
.cta-band .btn:hover { background: #f0f7ff; color: var(--brand-dark); }

/* 联系我们 */
.contact-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 28px; text-align: center;
}
.contact-card .cicon {
  font-size: 28px; margin-bottom: 12px;
}
.contact-card h4 { margin: 0 0 8px; font-size: 16px; }
.contact-card p { margin: 0; color: var(--ink-2); font-size: 14px; word-break: break-all; }

/* 页脚 */
.footer {
  background: #001529; color: rgba(255,255,255,0.75); padding: 48px 0 24px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px;
}
.footer h5 {
  color: #fff; font-size: 14px; margin: 0 0 16px; font-weight: 600;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { padding: 5px 0; font-size: 13px; }
.footer a { color: rgba(255,255,255,0.65); }
.footer a:hover { color: #fff; }
.footer .brand { color: #fff; margin-bottom: 12px; }
.footer .brand:hover { color: #fff; }
.footer-desc { font-size: 13px; line-height: 1.7; opacity: 0.65; max-width: 360px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px; text-align: center; font-size: 12.5px; opacity: 0.55;
}

/* 产品页 hero */
.page-hero {
  padding: 72px 0 56px;
  background:
    radial-gradient(900px 300px at 80% 0%, rgba(22,119,255,0.08), transparent 60%),
    #fff;
}
.crumb { font-size: 13px; color: var(--ink-3); margin-bottom: 16px; }
.crumb a { color: var(--ink-3); }
.crumb a:hover { color: var(--brand); }
.page-hero h1 { font-size: 42px; margin: 0 0 16px; font-weight: 800; letter-spacing: -0.3px; }
.page-hero p.lead { font-size: 17px; color: var(--ink-2); max-width: 760px; margin: 0 0 28px; }
.page-hero .meta { display: flex; gap: 20px; flex-wrap: wrap; font-size: 14px; color: var(--ink-3); }
.page-hero .meta span::before { content: "●"; color: var(--brand); margin-right: 6px; }

.module-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.module-card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px;
  transition: all .2s;
}
.module-card:hover { border-color: var(--brand); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(22,119,255,0.08); }
.module-card .mnum {
  font-size: 12px; color: var(--brand); font-weight: 700; letter-spacing: 1px; margin-bottom: 8px;
}
.module-card h4 { margin: 0 0 8px; font-size: 17px; }
.module-card p { margin: 0; color: var(--ink-3); font-size: 13.5px; line-height: 1.7; }

.dual-showcase {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; align-items: center;
}
.dual-showcase .text h3 { font-size: 28px; margin: 0 0 16px; font-weight: 700; }
.dual-showcase .text p { color: var(--ink-2); font-size: 15px; line-height: 1.8; margin: 0 0 16px; }
.dual-showcase .visual {
  background: linear-gradient(135deg, #F0F7FF, #E6F4FF);
  border-radius: 16px; padding: 40px; min-height: 320px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid #D6E4FF;
}
.visual-placeholder {
  text-align: center; color: var(--ink-3);
}
.visual-placeholder .emoji { font-size: 56px; display: block; margin-bottom: 12px; }
.visual-placeholder .t { font-size: 14px; }

/* 响应式 */
@media (max-width: 960px) {
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 34px; }
  .hero p.lead { font-size: 16px; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .products, .features, .pricing-wrap, .contact-grid, .footer-grid,
  .module-grid, .dual-showcase { grid-template-columns: 1fr; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .footer-grid { gap: 24px; }
  .cta-band { flex-direction: column; text-align: center; padding: 36px 24px; }
  .page-hero h1 { font-size: 30px; }
}