/* 国产化版本落地页 — 按 Figma 画板「Generated Design」结构还原 */
:root {
  --page-max: 1478px;
  --text: #181818;
  --muted: #666;
  --line: #e8eaed;
  --blue: #1366ec;
  --blue-hover: #0d52c4;
  --orange: #ff6a00;
  --orange-hover: #e85f00;
  --section-gray: #f5f7fb;
  --card-bg: #fff;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

/* —— Hero —— */
.gch-hero {
  position: relative;
  min-height: 240px;
  padding: 43px 48px 32px;
  overflow: hidden;
  background-image: url("../images/gch-hero-bg.webp");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.gch-hero__inner {
  position: relative;
  max-width: 760px;
}

.gch-hero__title {
  margin: 0 0 19px;
  font-size: 36px;
  line-height: 48px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
}

.gch-hero__lead {
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 28px;
  color: #fff;
}

.gch-hero .gch-btn--ghost {
  background: transparent;
  color: #fff;
  border: 1px solid #fff;
}

.gch-hero .gch-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.gch-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 21px;
}

.gch-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 154px;
  height: 44px;
  padding: 0 24px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.gch-btn--primary {
  background: var(--orange);
  color: #fff;
}

.gch-btn--primary:hover {
  background: var(--orange-hover);
}

.gch-btn--ghost {
  background: #fff;
  color: var(--blue);
  border: 1px solid var(--blue);
}

.gch-btn--ghost:hover {
  background: rgba(19, 102, 236, 0.06);
}

/* —— 四宫格卖点条 —— */
.gch-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  min-height: 68px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.gch-strip__cell {
  padding: 12px 24px 14px;
  border-right: 1px solid var(--line);
}

.gch-strip__cell:last-child {
  border-right: none;
}

.gch-strip__t {
  margin: 0 0 2px;
  font-size: 15px;
  line-height: 22px;
  font-weight: 600;
}

.gch-strip__d {
  margin: 0;
  font-size: 13px;
  line-height: 20px;
  color: var(--muted);
}

/* —— 产品优势 —— */
.gch-section {
  padding: 37px 48px 48px;
}

.gch-section--light {
  background: #fff;
}

.gch-section--gray {
  background: var(--section-gray);
}

.gch-h2 {
  margin: 0 0 23px;
  font-size: 34px;
  line-height: 44px;
  font-weight: 600;
}

.gch-row-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}

.gch-row-head p {
  margin: 0;
  max-width: 640px;
  font-size: 15px;
  line-height: 24px;
  color: #333;
}

.gch-link {
  font-size: 15px;
  color: var(--blue);
  text-decoration: none;
  white-space: nowrap;
}

.gch-link:hover {
  text-decoration: underline;
}

/* 三列特性横条 */
.gch-trio {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  background: var(--card-bg);
  margin-bottom: 34px;
}

.gch-trio__item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 24px 25px 26px;
  border-right: 1px solid var(--line);
}

.gch-trio__item:last-child {
  border-right: none;
}

.gch-trio__text h4 {
  margin: 0 0 11px;
  font-size: 15px;
  line-height: 21px;
  font-weight: 600;
}

.gch-trio__text p {
  margin: 0;
  font-size: 14px;
  line-height: 22px;
  color: var(--muted);
}

.gch-trio__icon {
  display: block;
  width: 38px;
  height: 38px;
  border-radius: 4px;
  object-fit: contain;
  flex-shrink: 0;
}

/* 左图右文 */
.gch-split {
  display: grid;
  grid-template-columns: 477px minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  background: var(--card-bg);
  min-height: 324px;
}

/* 左图：O1CN01h8NqZk1JemQdFZtIG_!!6000000001054-0-tps-928-576 */
.gch-split__visual {
  display: block;
  width: 100%;
  min-height: 324px;
  height: 324px;
  object-fit: cover;
  object-position: center;
  background: #eef4ff;
  border-right: 1px solid var(--line);
}

.gch-split__body {
  padding: 40px 48px 36px;
}

.gch-split__body .gch-subh {
  margin: 0 0 13px;
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
}

.gch-checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 32px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.gch-checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 18px;
  color: #333;
}

.gch-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 14px;
  height: 10px;
  background: var(--blue);
  clip-path: polygon(0 55%, 35% 100%, 100% 0, 85% 0, 35% 75%, 12% 55%);
  border-radius: 1px;
}

.gch-split__body h4.gch-subh--sm {
  margin-top: 8px;
  margin-bottom: 15px;
}

.gch-prose {
  margin: 0 0 22px;
  font-size: 13px;
  line-height: 22px;
  color: #444;
}

.gch-buy-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--blue);
}

.gch-buy-row svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* —— 功能卡片网格 —— */
.gch-grid-head {
  margin-bottom: 32px;
}

.gch-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.gch-card {
  width: 100%;
  min-height: 180px;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.gch-card--tall {
  min-height: 204px;
}

.gch-card h3 {
  margin: 0 0 14px;
  font-size: 18px;
  line-height: 28px;
  font-weight: 600;
}

.gch-card p {
  margin: 0;
  font-size: 14px;
  line-height: 24px;
  color: var(--muted);
}

.gch-section-pad {
  padding-top: 48px;
  padding-bottom: 56px;
}

.gch-section--continue {
  padding-top: 0;
}

/* —— 底部 CTA —— 背景 O1CN01VBXMz41TgkHppVtLI_!!6000000002412-0-tps-2280-320 */
.gch-footer-cta {
  position: relative;
  min-height: 160px;
  padding: 48px 84px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background-color: #0a1f3d;
  background-image: url("../images/gch-footer-cta-bg.webp");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  color: #fff;
}

.gch-footer-cta__title {
  margin: 0;
  max-width: 640px;
  font-size: 22px;
  line-height: 36px;
  font-weight: 500;
}

.gch-footer-cta .gch-btn--wide {
  min-width: 400px;
  height: 44px;
  background: #fff;
  color: var(--blue);
  font-weight: 600;
}

.gch-footer-cta .gch-btn--wide:hover {
  background: #f0f6ff;
}

@media (max-width: 1200px) {
  .gch-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gch-grid .gch-card {
    max-width: none;
  }

  .gch-split {
    grid-template-columns: 1fr;
  }

  .gch-split__visual {
    height: auto;
    min-height: 220px;
    aspect-ratio: 928 / 576;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .gch-checklist {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .gch-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .gch-strip__cell:nth-child(2) {
    border-right: none;
  }

  .gch-trio {
    grid-template-columns: 1fr;
  }

  .gch-trio__item {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .gch-trio__item:last-child {
    border-bottom: none;
  }

  .gch-section,
  .gch-hero {
    padding-left: 20px;
    padding-right: 20px;
  }

  .gch-footer-cta {
    padding: 32px 20px;
  }

  .gch-footer-cta .gch-btn--wide {
    min-width: 100%;
  }
}

@media (max-width: 600px) {
  .gch-grid {
    grid-template-columns: 1fr;
  }

  .gch-strip {
    grid-template-columns: 1fr;
  }

  .gch-strip__cell {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .gch-hero__title {
    font-size: 26px;
    line-height: 36px;
  }
}