.page-home {
  --home-hero-radius: 24px;
  --home-blue-soft: #EAF1FF;
  --home-ruler-height: 30px;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-heading);
  color: var(--color-ink);
}

.page-home h2 {
  font-size: 28px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: var(--space-2) 0 var(--space-3);
}

.page-home a {
  color: var(--color-primary);
}

.page-home .btn {
  text-decoration: none;
}

.page-home .btn--primary,
.page-home .btn--accent {
  color: #FFFFFF;
}

/* ========== 首屏框景 ========== */
.page-home .hero-frame {
  position: relative;
  padding: 0 0 var(--space-6);
  background:
    linear-gradient(180deg, rgba(0, 85, 255, 0.07) 0%, rgba(250, 245, 235, 0) 260px),
    var(--color-paper);
  overflow: hidden;
}

.page-home .hero-frame__ruler {
  height: var(--home-ruler-height);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-primary) 0 1px,
    transparent 1px 14px
  );
  background-size: 100% 16px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: bold;
}

.page-home .hero-frame__ruler span {
  display: inline-block;
  padding: 0 4px;
  background: var(--color-paper);
  line-height: 16px;
  transform: translateY(-14px);
}

.page-home .hero-window {
  margin-top: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--home-hero-radius);
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.page-home .hero-window__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: #F4F8FF;
  border-bottom: 1px solid var(--color-border);
}

.page-home .hero-window__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}

.page-home .hero-window__dot--orange {
  background: var(--color-accent);
}

.page-home .hero-window__url {
  margin-left: 12px;
  font-size: 13px;
  color: var(--color-muted);
  font-family: var(--font-body);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-home .hero-window__stage {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-home .hero-window__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-home .hero-window__body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--space-6) var(--space-5);
  text-align: center;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.82) 0%,
    rgba(255, 255, 255, 0.96) 100%
  );
}

.page-home .hero-window__body h1 {
  font-size: 34px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-deep);
  margin: var(--space-3) 0 var(--space-4);
}

.page-home .hero-window__lead {
  max-width: 640px;
  margin: 0 auto var(--space-5);
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

/* ========== 新用户服务清单 ========== */
.page-home .service-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.page-home .service-head__summary {
  max-width: 480px;
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-home .service-tabs__list {
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.page-home .service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-home .service-card {
  position: relative;
  padding: var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-home .service-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.page-home .service-card__num {
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--font-heading);
  font-weight: bold;
  font-size: 26px;
  line-height: 1;
  color: var(--color-border);
}

.page-home .service-card h3 {
  margin: 0 0 var(--space-2);
  font-size: 18px;
}

.page-home .service-card p {
  margin: 0 0 var(--space-4);
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-muted);
}

.page-home .service-tabs__note {
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
  background: var(--home-blue-soft);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-deep);
  font-size: 14px;
  line-height: 1.6;
}

.page-home .service-section__img {
  display: block;
  width: 100%;
  max-width: 800px;
  height: auto;
  margin: var(--space-7) auto 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* ========== 官方价格说明 ========== */
.page-home .price-head {
  text-align: center;
  margin-bottom: var(--space-6);
}

.page-home .price-head p {
  margin: 0;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.6;
}

.page-home .price-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-home .price-step {
  padding: var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.page-home .price-step--free {
  border-top: 4px solid var(--color-success);
}

.page-home .price-step--standard {
  border-top: 4px solid var(--color-primary);
}

.page-home .price-step--pro {
  border-top: 4px solid var(--color-deep);
}

.page-home .price-step__tier {
  display: block;
  font-family: var(--font-heading);
  font-weight: bold;
  font-size: 18px;
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.page-home .price-step__amount {
  display: block;
  font-family: var(--font-heading);
  font-weight: bold;
  font-size: 30px;
  line-height: 1.15;
  color: var(--color-primary);
  margin: var(--space-2) 0 4px;
}

.page-home .price-step--free .price-step__amount {
  color: var(--color-success);
}

.page-home .price-step__unit {
  display: block;
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}

.page-home .price-step__list {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-ink);
}

.page-home .price-step__arrow {
  text-align: center;
  color: var(--color-accent);
  font-size: 24px;
  line-height: 1;
  padding: 2px 0;
}

.page-home .price-section__img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: var(--space-6) auto 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.page-home .price-section__note {
  margin: var(--space-5) 0 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 14px;
}

/* ========== 移动端测试版使用费用 ========== */
.page-home .test-fee-block {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: var(--space-7) var(--space-5);
  background: linear-gradient(135deg, var(--color-accent) 0%, #FF8C3A 100%);
  border-radius: var(--home-hero-radius);
  color: #FFFFFF;
  overflow: hidden;
}

.page-home .test-fee-block::before {
  content: "";
  position: absolute;
  right: -50px;
  top: -50px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.page-home .test-fee-block::after {
  content: "";
  position: absolute;
  left: -30px;
  bottom: -60px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
}

.page-home .test-fee-block .section-label {
  color: rgba(255, 255, 255, 0.92);
  border-color: rgba(255, 255, 255, 0.7);
}

.page-home .test-fee-block__info {
  position: relative;
  z-index: 1;
}

.page-home .test-fee-block__info h2 {
  color: #FFFFFF;
  font-size: 26px;
  margin: var(--space-2) 0 var(--space-3);
}

.page-home .test-fee-block__info p {
  margin: 0 0 var(--space-5);
  color: rgba(255, 255, 255, 0.93);
  font-size: 15px;
  line-height: 1.7;
  max-width: 460px;
}

.page-home .test-fee-block__steps {
  position: relative;
  z-index: 1;
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
}

.page-home .test-fee-block__steps ol {
  margin: 0;
  padding-left: var(--space-5);
  font-size: 15px;
  line-height: 2;
}

.page-home .test-fee-block__badge {
  position: absolute;
  top: -14px;
  right: 10px;
  padding: 6px 16px;
  background: var(--color-success);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: bold;
  font-size: 14px;
  border-radius: var(--radius-pill);
  transform: rotate(8deg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16);
}

/* ========== 中文版案例合集报价 ========== */
.page-home .case-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.page-home .case-head p {
  max-width: 420px;
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-home .case-scroll {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(250px, 300px);
  gap: var(--space-4);
  overflow-x: auto;
  padding-bottom: var(--space-4);
  scroll-snap-type: x proximity;
}

.page-home .case-card {
  padding: var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  scroll-snap-align: start;
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-home .case-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.page-home .case-card--cover {
  display: flex;
  flex-direction: column;
  grid-auto-columns: minmax(320px, 420px);
  padding: 0;
  overflow: hidden;
}

.page-home .case-card--cover img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.page-home .case-card--cover div {
  padding: var(--space-5);
}

.page-home .case-card__industry {
  display: inline-block;
  margin-bottom: var(--space-3);
  padding: 4px 10px;
  background: var(--home-blue-soft);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: bold;
  font-size: 13px;
  border-radius: var(--radius-pill);
}

.page-home .case-card h3 {
  margin: 0 0 var(--space-2);
  font-size: 18px;
}

.page-home .case-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
}

.page-home .case-card .btn {
  margin-top: var(--space-4);
}

.page-home .case-section__more {
  margin: var(--space-5) 0 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 14px;
}

/* ========== 版本更新至2.4 ========== */
.page-home .version-head {
  text-align: center;
  margin-bottom: var(--space-6);
}

.page-home .version-head p {
  margin: 0 auto;
  max-width: 480px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-home .version-tabs {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.page-home .version-timeline {
  position: relative;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) 0 var(--space-2);
  overflow-x: auto;
}

.page-home .version-timeline::before {
  content: "";
  position: absolute;
  left: 48px;
  right: 48px;
  top: 44px;
  height: 3px;
  background: var(--color-border);
}

.page-home .version-timeline__node {
  position: relative;
  z-index: 1;
  min-width: 96px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.page-home .version-timeline__node:hover,
.page-home .version-timeline__node[aria-selected="true"] {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.page-home .version-timeline__num {
  display: block;
  font-family: var(--font-heading);
  font-weight: bold;
  font-size: 20px;
  line-height: 1.2;
  color: var(--color-primary);
}

.page-home .version-timeline__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--color-muted);
}

.page-home .version-detail {
  padding: var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.page-home .version-detail h3 {
  margin: 0 0 var(--space-3);
  font-size: 20px;
}

.page-home .version-detail p {
  margin: 0 0 var(--space-4);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
}

/* ========== 频道快速索引 ========== */
.page-home .channel-head {
  text-align: center;
  margin-bottom: var(--space-6);
}

.page-home .channel-head p {
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
}

.page-home .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-home .channel-card {
  position: relative;
  display: block;
  padding: var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.page-home .channel-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--color-primary);
}

.page-home .channel-card__no {
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--font-heading);
  font-weight: bold;
  font-size: 22px;
  line-height: 1;
  color: var(--color-border);
}

.page-home .channel-card h3 {
  margin: 0 0 var(--space-2);
  font-size: 18px;
  color: var(--color-deep);
}

.page-home .channel-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-muted);
}

.page-home .channel-section__trust {
  margin: var(--space-6) auto 0;
  max-width: 760px;
  padding: var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  text-align: center;
  color: var(--color-ink);
  font-size: 15px;
  line-height: 1.7;
}

/* ========== 响应式增强 ========== */
@media (min-width: 640px) {
  .page-home .hero-window__body h1 {
    font-size: 40px;
  }

  .page-home .hero-window__body {
    padding: var(--space-7) var(--space-6);
  }

  .page-home .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .test-fee-block {
    padding: var(--space-7) var(--space-6);
  }

  .page-home .test-fee-block__info h2 {
    font-size: 30px;
  }
}

@media (min-width: 860px) {
  .page-home .price-steps {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: var(--space-3);
  }

  .page-home .price-step__arrow {
    font-size: 28px;
    padding: 0;
  }

  .page-home .test-fee-block {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-home .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .case-card--cover {
    grid-auto-columns: minmax(380px, 460px);
  }

  .page-home .hero-window__stage {
    min-height: 480px;
  }

  .page-home .case-scroll {
    grid-auto-columns: minmax(280px, 320px);
  }
}