/* ========================================
   康程通公司主页 — 全局样式
   ======================================== */

/* ---------- CSS 变量系统 ---------- */
:root {
  --color-primary: #2D6A6A;
  --color-primary-dark: #1F4F4F;
  --color-primary-light: #E8F4F0;
  --color-primary-lighter: #F2FAF7;
  --color-accent: #C4A35A;
  --color-accent-hover: #B3924A;
  --color-text: #4A5568;
  --color-text-light: #718096;
  --color-text-dark: #2D3748;
  --color-bg: #FAFBF9;
  --color-bg-alt: #F5F7F3;
  --color-white: #FFFFFF;
  --color-border: #E2E8F0;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 8px 30px rgba(45, 106, 106, 0.15);
  --font-serif: 'Noto Serif SC', 'Georgia', serif;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-max: 1200px;
  --navbar-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
}

ul {
  list-style: none;
}

/* ---------- 容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 通用区块 ---------- */
.section {
  padding: 96px 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-text-dark);
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  color: var(--color-white);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(196, 163, 90, 0.3);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  transition: all var(--transition);
  background: rgba(250, 251, 249, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* 滚动后导航栏样式 */
.navbar.scrolled {
  background: rgba(250, 251, 249, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
}

.navbar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-logo img {
  height: 32px;
  width: auto;
  -o-object-fit: contain;
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: width var(--transition);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.navbar-download {
  flex-shrink: 0;
}

/* 汉堡菜单按钮 */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-dark);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(250, 251, 249, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  height: 100%;
  padding: 80px 24px;
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text-dark);
  text-decoration: none;
  padding: 12px 24px;
  border-radius: var(--radius);
  transition: all var(--transition);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.mobile-nav-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.mobile-download {
  margin-top: 16px;
  width: 100%;
  max-width: 280px;
}

/* ========================================
   Hero 横幅
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #1F4F4F 0%, #2D6A6A 40%, #3D8B8B 70%, #4A9E9E 100%);
  overflow: hidden;
  padding-top: var(--navbar-height);
}

/* 几何纹理背景 */
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(255,255,255,0.04) 0%, transparent 45%);
  pointer-events: none;
}

.hero-bg-pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(30deg, rgba(255,255,255,0.03) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.03) 87.5%),
    linear-gradient(150deg, rgba(255,255,255,0.03) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.03) 87.5%),
    linear-gradient(30deg, rgba(255,255,255,0.03) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.03) 87.5%),
    linear-gradient(150deg, rgba(255,255,255,0.03) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.03) 87.5%);
  background-size: 80px 140px;
  background-position: 0 0, 0 0, 40px 70px, 40px 70px;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 40px 24px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 48px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero .btn-accent {
  animation: pulse-glow 2.5s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 4px 20px rgba(196, 163, 90, 0.3); }
  50% { box-shadow: 0 4px 30px rgba(196, 163, 90, 0.5); }
}

.hero .btn-outline {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.hero .btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
  color: var(--color-white);
}

/* ========================================
   公司简介
   ======================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text .section-tag {
  margin-bottom: 12px;
}

.about-text .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.about-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 16px;
}

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.badge svg {
  flex-shrink: 0;
}

/* 简介视觉卡片 */
.about-visual {
  display: flex;
  justify-content: center;
}

.about-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 400px;
}

.about-icon-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.about-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.about-icon-item span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.about-icon-item svg {
  padding: 12px;
  background: var(--color-primary-light);
  border-radius: var(--radius);
}

/* ========================================
   核心功能
   ======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius);
  color: var(--color-primary);
  margin-bottom: 20px;
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 16px;
}

.feature-list {
  margin-bottom: 16px;
}

.feature-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.8;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.feature-scene {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  padding: 12px 16px;
  background: var(--color-primary-lighter);
  border-radius: var(--radius-sm);
  line-height: 1.6;
}

.feature-scene svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-primary);
}

/* ========================================
   客户评价
   ======================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  position: relative;
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.testimonial-quote {
  position: absolute;
  top: 24px;
  right: 28px;
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  font-weight: 600;
  flex-shrink: 0;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
}

.testimonial-info strong {
  font-size: 0.9375rem;
  color: var(--color-text-dark);
}

.testimonial-info span {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* ========================================
   团队介绍
   ======================================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.team-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-lighter));
  border-radius: var(--radius);
  color: var(--color-primary);
  margin: 0 auto 20px;
}

.team-name {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 12px;
}

.team-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ========================================
   联系方式与CTA
   ======================================== */
.contact-info {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.contact-item svg {
  flex-shrink: 0;
}

.contact-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.contact-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-dark);
}

a.contact-value:hover {
  color: var(--color-primary);
}

/* CTA双栏 */
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 800px;
  margin: 0 auto;
}

.cta-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 48px 36px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.cta-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.cta-patient {
  border-top: 3px solid var(--color-accent);
}

.cta-hospital {
  border-top: 3px solid var(--color-primary);
}

.cta-title {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 28px;
}

.cta-btn {
  width: 100%;
}

/* 医院入驻联系人电话 */
.cta-contacts {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.cta-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  transition: all var(--transition);
  min-height: 44px;
}

.cta-phone:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ========================================
   底部声明
   ======================================== */
.footer {
  background: var(--color-text-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0 32px;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img {
  height: 28px;
  width: auto;
  -o-object-fit: contain;
  object-fit: contain;
}

.footer-logo-text {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-white);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-disclaimer {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-disclaimer p {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--color-white);
}

/* ========================================
   动画
   ======================================== */

/* 淡入上移 */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 滚动触发动画 */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  .fade-up {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero .btn-accent {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ========================================
   响应式 — 平板端 (≥640px)
   ======================================== */
@media (max-width: 1023px) {
  .section {
    padding: 72px 0;
  }

  .section-title {
    font-size: 1.875rem;
  }

  .hero-title {
    font-size: 2.75rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-text .section-title {
    text-align: center;
  }

  .about-text {
    text-align: center;
  }

  .about-badges {
    justify-content: center;
  }

  .about-card {
    max-width: 320px;
  }

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

  .contact-info {
    gap: 32px;
  }
}

/* ========================================
   响应式 — 移动端 (<640px)
   ======================================== */
@media (max-width: 639px) {
  :root {
    --navbar-height: 64px;
  }

  .container {
    padding: 0 16px;
  }

  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-subtitle {
    font-size: 0.9375rem;
  }

  /* 导航栏 - 移动端 */
  .navbar-links {
    display: none;
  }

  .navbar-download {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: 120px 0 80px;
  }

  .hero-title {
    font-size: 2rem;
    letter-spacing: 1px;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 36px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

  /* 简介 */
  .about-grid {
    gap: 32px;
  }

  .about-desc {
    font-size: 0.9375rem;
    text-align: left;
  }

  .about-badges {
    flex-direction: column;
    align-items: stretch;
  }

  .about-card {
    padding: 32px;
  }

  .about-icon-grid {
    gap: 24px;
  }

  /* 功能卡片 */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-card {
    padding: 28px;
  }

  /* 评价 */
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .testimonial-card {
    padding: 28px;
  }

  /* 团队 */
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .team-card {
    padding: 28px 16px;
  }

  /* 联系方式 */
  .contact-info {
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
  }

  .contact-item {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  /* CTA */
  .cta-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cta-card {
    padding: 36px 24px;
  }

  /* 底部 */
  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: 0.9375rem;
  }
}

/* ========================================
   大屏端 (≥1280px)
   ======================================== */
@media (min-width: 1280px) {
  .section {
    padding: 112px 0;
  }

  .section-title {
    font-size: 2.5rem;
  }

  .hero-title {
    font-size: 4rem;
  }

  .hero-subtitle {
    font-size: 1.375rem;
  }

  .features-grid {
    gap: 32px;
  }

  .feature-card {
    padding: 40px;
  }

  .testimonials-grid {
    gap: 32px;
  }

  .team-grid {
    gap: 32px;
  }
}