/* ===================================================================
   快连官网 & 快连加速 - 极简主义柔和马卡龙色彩主题
   设计风格：极简主义 (Minimalism) + 柔和马卡龙色彩 (Pastel Macaron Colors)
   版式特性：模块化网格版式 (Modular Grid Bento) + 扁平化插画视觉 (Flat Illustration)
   =================================================================== */

:root {
  /* 马卡龙柔和色彩调色盘 */
  --macaron-blue-light: #EBF5FB;
  --macaron-blue: #3498DB;
  --macaron-blue-deep: #0984E3;
  
  --macaron-mint-light: #E8F8F5;
  --macaron-mint: #2ECC71;
  
  --macaron-peach-light: #FDEDEC;
  --macaron-peach: #FF7675;
  
  --macaron-cream-light: #FEF9E7;
  --macaron-cream: #F1C40F;
  
  --macaron-lavender-light: #F4ECF7;
  --macaron-lavender: #9B59B6;

  /* 极简界面基色 */
  --bg-page: #F8FAFD;
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-subtle: #F1F5F9;

  /* 文字系统 */
  --text-main: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;

  /* 边框与阴影 */
  --border-light: #E2E8F0;
  --border-macaron: rgba(52, 152, 219, 0.2);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 16px 40px rgba(52, 152, 219, 0.12);

  /* 吸顶白导航属性 */
  --nav-white-bg: #FFFFFF;
  --nav-text: #1E293B;
  --nav-hover: #0984E3;

  /* 尺寸与圆角 */
  --container-width: 1240px;
  --section-pad: 90px 0;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-pill: 9999px;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  scroll-behavior: smooth;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  overflow-x: hidden;
  background-color: var(--bg-page);
}

/* 扁平插画几何背景装饰元素 */
.flat-geo-blob {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  z-index: 0;
}

.blob-blue {
  width: 480px;
  height: 480px;
  top: -100px;
  right: -80px;
  background: var(--macaron-blue-light);
  opacity: 0.8;
}

.blob-mint {
  width: 400px;
  height: 400px;
  top: 38%;
  left: -120px;
  background: var(--macaron-mint-light);
  opacity: 0.7;
}

.blob-lavender {
  width: 450px;
  height: 450px;
  bottom: 8%;
  right: -100px;
  background: var(--macaron-lavender-light);
  opacity: 0.7;
}

/* 模块容器 */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ===================================================================
   吸顶白导航（Logo、7 个文字链、「立即下载」）
   =================================================================== */
.sticky-white-nav {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: var(--nav-white-bg);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon-flat {
  width: 40px;
  height: 40px;
  background: var(--macaron-blue-deep);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(9, 132, 227, 0.25);
}

.brand-name {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.brand-tag {
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: var(--macaron-blue-light);
  color: var(--macaron-blue-deep);
  font-weight: 700;
  margin-left: 6px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-menu a {
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  color: #475569;
  transition: var(--transition);
  padding: 6px 0;
  position: relative;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--macaron-blue-deep);
  transition: var(--transition);
  transform: translateX(-50%);
  border-radius: 3px;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--macaron-blue-deep);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  background: var(--macaron-blue-deep);
  color: #FFFFFF;
  font-size: 14.5px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(9, 132, 227, 0.3);
  transition: var(--transition);
}

.nav-cta-btn:hover {
  background: #0870c2;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(9, 132, 227, 0.4);
}

/* ===================================================================
   模块化网格卡片通用设计 (Modular Grid Card)
   =================================================================== */
.modular-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.modular-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(52, 152, 219, 0.35);
}

/* 扁平插画式微徽章 */
.flat-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  background: var(--macaron-blue-light);
  color: var(--macaron-blue-deep);
}

.flat-dot-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--macaron-mint);
  display: inline-block;
}

/* ===================================================================
   首屏区：左文案、右产品图 (Hero Section)
   徽章、蓝色品牌词、说明、实心「快连下载」和描边「用户评价」，底下四个平台胶囊
   =================================================================== */
.hero-section {
  padding: 80px 0 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 56px;
}

.hero-badge-wrap {
  margin-bottom: 22px;
}

.hero-title {
  font-size: 46px;
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -1px;
  margin-bottom: 22px;
  color: var(--text-main);
}

.blue-brand {
  color: var(--macaron-blue-deep);
  display: inline-block;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.btn-solid-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 34px;
  border-radius: var(--radius-pill);
  background: var(--macaron-blue-deep);
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(9, 132, 227, 0.35);
  transition: var(--transition);
}

.btn-solid-download:hover {
  background: #0870c2;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(9, 132, 227, 0.45);
}

.btn-outline-reviews {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-pill);
  background: #FFFFFF;
  border: 2px solid var(--macaron-blue-deep);
  color: var(--macaron-blue-deep);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
}

.btn-outline-reviews:hover {
  background: var(--macaron-blue-light);
  transform: translateY(-2px);
}

/* 底下四个平台胶囊 */
.platform-capsule-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.platform-capsule {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 600;
  color: #475569;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.platform-capsule:hover {
  border-color: var(--macaron-blue);
  color: var(--macaron-blue-deep);
  background: var(--macaron-blue-light);
  transform: translateY(-2px);
}

/* 右侧产品图 & 扁平化插画挂载 */
.hero-product-stage {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-main-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  display: block;
  box-shadow: var(--shadow-md);
  border: 4px solid #FFFFFF;
}

.hero-floating-flat-card {
  position: absolute;
  bottom: -20px;
  right: -10px;
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 14px 22px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.flat-icon-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--macaron-mint-light);
  color: var(--macaron-mint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.flat-card-val {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.flat-card-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===================================================================
   价格区：三张卡横排，中间「电脑专业版」标「推荐」
   =================================================================== */
.pricing-section {
  padding: var(--section-pad);
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}

.section-subtitle {
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--macaron-blue-deep);
  margin-bottom: 12px;
}

.section-title {
  font-size: 34px;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.pricing-card {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pricing-card.featured-plan {
  background: #FFFFFF;
  border: 2px solid var(--macaron-blue-deep);
  box-shadow: 0 16px 40px rgba(9, 132, 227, 0.15);
  transform: translateY(-8px);
}

.featured-ribbon {
  position: absolute;
  top: 18px;
  right: 20px;
  background: var(--macaron-peach-light);
  color: var(--macaron-peach);
  font-size: 12px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.plan-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.plan-summary {
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

.price-currency {
  font-size: 20px;
  color: var(--macaron-blue-deep);
  font-weight: 800;
}

.price-number {
  font-size: 42px;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1;
}

.price-cycle {
  font-size: 14px;
  color: var(--text-light);
}

.plan-features-list {
  list-style: none;
  margin-bottom: 34px;
  flex-grow: 1;
}

.plan-features-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14.5px;
  color: #334155;
  margin-bottom: 14px;
}

.plan-features-list li svg {
  color: var(--macaron-mint);
  flex-shrink: 0;
}

.plan-buy-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
}

.btn-plan-normal {
  background: var(--bg-card-subtle);
  color: #334155;
}

.btn-plan-normal:hover {
  background: var(--macaron-blue-light);
  color: var(--macaron-blue-deep);
}

.btn-plan-featured {
  background: var(--macaron-blue-deep);
  color: #FFFFFF;
  box-shadow: 0 6px 18px rgba(9, 132, 227, 0.3);
}

.btn-plan-featured:hover {
  background: #0870c2;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(9, 132, 227, 0.4);
}

/* ===================================================================
   说明带：品牌介绍、关于官方、加速服务、版本更新、为什么选择、权威认证
   左图右文或 2×2 卡片
   =================================================================== */
.explain-section {
  padding: var(--section-pad);
  position: relative;
}

.explain-hero-row {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 60px;
}

.explain-side-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 4px solid #FFFFFF;
}

.explain-hero-text h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 18px;
}

.explain-hero-text p {
  font-size: 15.5px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.explain-2x2-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.explain-item-card {
  padding: 32px;
}

.explain-icon-circle {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.icon-bg-blue { background: var(--macaron-blue-light); color: var(--macaron-blue-deep); }
.icon-bg-mint { background: var(--macaron-mint-light); color: var(--macaron-mint); }
.icon-bg-peach { background: var(--macaron-peach-light); color: var(--macaron-peach); }
.icon-bg-lavender { background: var(--macaron-lavender-light); color: var(--macaron-lavender); }

.explain-item-card h4 {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
}

.explain-item-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===================================================================
   下载中心：Win / Mac / Android / iOS 四列
   =================================================================== */
.download-section {
  padding: var(--section-pad);
  position: relative;
}

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

.download-col-card {
  padding: 34px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.platform-flat-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--macaron-blue-light);
  color: var(--macaron-blue-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}

.download-col-card:hover .platform-flat-icon {
  transform: translateY(-4px);
  background: var(--macaron-blue-deep);
  color: #FFFFFF;
}

.platform-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.platform-meta {
  font-size: 12.5px;
  color: var(--text-light);
  margin-bottom: 20px;
}

.platform-features-snippet {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 26px;
  flex-grow: 1;
}

.platform-action-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  background: var(--macaron-blue-light);
  color: var(--macaron-blue-deep);
  font-size: 14.5px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
}

.platform-action-btn:hover {
  background: var(--macaron-blue-deep);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(9, 132, 227, 0.3);
}

/* ===================================================================
   证明与内容：评价三列、博客三列加分页、代理合作、问答全展开
   =================================================================== */
.proof-section {
  padding: var(--section-pad);
  position: relative;
}

/* 评价三列 */
.reviews-3col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 70px;
}

.review-card {
  padding: 30px;
}

.review-user-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.review-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--macaron-blue-light);
  color: var(--macaron-blue-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.review-user-name {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--text-main);
}

.review-user-role {
  font-size: 12.5px;
  color: var(--text-muted);
}

.review-stars {
  color: #F59E0B;
  font-size: 13px;
  margin-bottom: 12px;
}

.review-comment {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 博客三列加分页 */
.blog-block {
  margin-bottom: 70px;
}

.blog-3col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 34px;
}

.blog-post-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.blog-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--macaron-blue-light);
  color: var(--macaron-blue-deep);
  margin-bottom: 14px;
}

.blog-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.45;
}

.blog-snippet {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}

.blog-foot-link {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--macaron-blue-deep);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.blog-foot-link:hover {
  transform: translateX(4px);
}

.blog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.page-num {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  color: #475569;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
}

.page-num:hover,
.page-num.active {
  background: var(--macaron-blue-deep);
  border-color: var(--macaron-blue-deep);
  color: #FFFFFF;
}

/* 代理合作横幅 */
.agent-banner {
  margin-bottom: 70px;
  padding: 44px 48px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  align-items: center;
  gap: 36px;
  background: linear-gradient(135deg, #FFFFFF 0%, var(--macaron-blue-light) 100%);
  border: 1px solid rgba(52, 152, 219, 0.25);
}

.agent-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}

.agent-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

.agent-cta-wrap {
  text-align: right;
}

/* 问答全展开 (直观呈现，不折叠) */
.faq-unfolded-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.faq-unfolded-item {
  padding: 30px 34px;
}

.faq-q-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.faq-q-badge {
  font-size: 12px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--macaron-mint-light);
  color: var(--macaron-mint);
}

.faq-a-content {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  padding-left: 36px;
}

/* 架构拓扑收口区 */
.topology-section {
  padding: 40px 0 90px;
}

.topology-box {
  padding: 48px;
  text-align: center;
}

.topology-box img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin-top: 32px;
}

/* ===================================================================
   深色页脚：品牌栏加三组链接 (Dark Footer)
   =================================================================== */
.dark-footer {
  background: #0F172A;
  color: #FFFFFF;
  padding: 80px 0 40px;
  position: relative;
  z-index: 10;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand-col p {
  font-size: 14px;
  color: #94A3B8;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 320px;
}

.footer-link-col h5 {
  font-size: 15.5px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.footer-links-list {
  list-style: none;
}

.footer-links-list li {
  margin-bottom: 12px;
}

.footer-links-list a {
  text-decoration: none;
  font-size: 14px;
  color: #94A3B8;
  transition: var(--transition);
}

.footer-links-list a:hover {
  color: #38BDF8;
  padding-left: 4px;
}

.footer-bottom-bar {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: #64748B;
}

/* 子页面英雄区 */
.subpage-hero {
  padding: 70px 0 45px;
  text-align: center;
}

.subpage-hero h1 {
  font-size: 38px;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 16px;
}

.subpage-hero p {
  font-size: 16.5px;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* 响应式调整 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-group, .platform-capsule-row {
    justify-content: center;
  }
  .pricing-cards-grid,
  .download-4col-grid,
  .reviews-3col-grid,
  .blog-3col-grid {
    grid-template-columns: 1fr;
  }
  .explain-hero-row {
    grid-template-columns: 1fr;
  }
  .explain-2x2-grid {
    grid-template-columns: 1fr;
  }
  .agent-banner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .agent-cta-wrap {
    text-align: center;
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
  .pricing-card.featured-plan {
    transform: none;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom-bar {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}