/* ================================================
   乐刷电签机 - 共享样式文件
   配色：明亮青绿#14B8A6 + 琥珀金#F59E0B
   ================================================ */

/* ============ CSS变量 ============ */
:root {
  --teal: #14B8A6;
  --teal-dark: #0D9488;
  --teal-deep: #134E4A;
  --teal-deeper: #042F2E;
  --gold: #F59E0B;
  --gold-light: #FFFBEB;
  --red: #EF4444;
  --red-light: #FEF2F2;
  --bg-white: #FFFFFF;
  --bg-page: #F0FDFA;
  --bg-light: #CCFBF1;
  --text-dark: #134E4A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border: #E5E7EB;
  --card-shadow: 0 2px 8px rgba(20,184,166,0.08);
  --shadow-md: 0 8px 24px rgba(20,184,166,0.12);
  --shadow-lg: 0 16px 40px rgba(20,184,166,0.16);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
}

/* ============ 基础样式 ============ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--bg-white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-dark);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============ 导航栏 ============ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255,255,255,0.98);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(20,184,166,0.12);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--teal);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

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

.nav-links a {
  font-size: 15px;
  color: var(--text-body);
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal);
  transition: var(--transition);
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--teal);
}

.nav-cta {
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: white !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(20,184,166,0.3);
}

/* 汉堡菜单 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--teal);
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: white;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  z-index: 999;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  color: var(--text-body);
  font-weight: 500;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: var(--bg-light);
  color: var(--teal);
}

.mobile-menu .mobile-cta {
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: white !important;
  text-align: center;
  font-weight: 600;
}

/* ============ 页脚 ============ */
.footer {
  background: linear-gradient(180deg, var(--teal) 0%, var(--teal-deep) 100%);
  color: white;
  padding: 60px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  background: rgba(255,255,255,0.2);
}

.footer-tagline {
  font-size: 14px;
  opacity: 0.9;
  line-height: 1.8;
}

.footer-links h4 {
  color: white;
  font-size: 16px;
  margin-bottom: 20px;
}

.footer-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.footer-links a {
  font-size: 14px;
  opacity: 0.85;
  transition: var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--gold);
}

.footer-bottom {
  background: var(--teal-deeper);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  line-height: 2;
}

.footer-bottom a {
  color: rgba(255,255,255,0.7);
}

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

/* ============ 公共组件 ============ */

/* 卡片 */
.card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  padding: 28px;
  transition: var(--transition);
  border-top: 4px solid var(--teal);
  position: relative;
}

.card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

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

.card-red {
  border-top-color: var(--red);
}

.card-gold {
  border-top-color: var(--gold);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(20,184,166,0.35);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), #D97706);
  color: white;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245,158,11,0.35);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline:hover {
  background: white;
  color: var(--teal);
}

.btn-teal-outline {
  background: transparent;
  color: var(--teal);
  border: 2px solid var(--teal);
}

.btn-teal-outline:hover {
  background: var(--teal);
  color: white;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 18px 40px;
  font-size: 16px;
}

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
}

.tag-red {
  background: var(--red-light);
  color: var(--red);
}

.tag-gold {
  background: var(--gold-light);
  color: var(--gold);
}

.tag-teal {
  background: var(--bg-light);
  color: var(--teal);
}

/* 徽章 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.15);
  border-radius: 50px;
  font-size: 14px;
  color: white;
  backdrop-filter: blur(10px);
}

/* 区块标题 */
.section-title {
  text-align: center;
  margin-bottom: 16px;
  font-size: 36px;
  color: var(--text-dark);
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 18px;
  margin-bottom: 48px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* 标题装饰 */
.title-decoration {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 12px;
}

.title-decoration span {
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--gold));
  border-radius: 2px;
}

/* FAQ手风琴 */
.faq-item {
  background: white;
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-dark);
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--teal);
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 24px 20px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* 表单 */
.form-group {
  margin-bottom: 16px;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  transition: var(--transition);
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(20,184,166,0.1);
}

.form-select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  background: white;
  cursor: pointer;
  font-family: inherit;
}

.form-select:focus {
  outline: none;
  border-color: var(--teal);
}

/* 网格布局 */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

/* 对比表格 */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.compare-table th {
  background: var(--bg-page);
  font-weight: 600;
  color: var(--text-dark);
}

.compare-table td {
  color: var(--text-body);
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table .highlight {
  background: var(--bg-light);
  font-weight: 600;
}

.compare-table .highlight-col {
  background: linear-gradient(180deg, var(--bg-light), var(--bg-page));
  font-weight: 600;
  color: var(--teal);
}

.check-icon {
  color: var(--teal);
  font-weight: bold;
}

.cross-icon {
  color: var(--red);
  font-weight: bold;
}

.warning-icon {
  color: var(--gold);
  font-weight: bold;
}

/* 步骤流程 */
.steps {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.step {
  flex: 1;
  max-width: 260px;
  text-align: center;
  position: relative;
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 36px;
  right: -24px;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--gold));
}

.step-number {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 28px;
  font-weight: 700;
  position: relative;
}

.step-number::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 2px solid var(--gold);
  border-radius: 50%;
}

.step-title {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  color: var(--text-muted);
}

/* 滚动渐入动画 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ Hero区 ============ */
.hero {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-deep) 100%);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-badge {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-badge .badge {
  background: rgba(245,158,11,0.2);
  color: var(--gold);
  border: 1px solid rgba(245,158,11,0.3);
}

.hero h1 {
  font-size: 48px;
  color: white;
  margin-bottom: 20px;
  font-weight: 800;
}

.hero-subtitle {
  font-size: 20px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 48px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

/* 定位落点动画区 */
.location-animation {
  margin: 60px auto;
  max-width: 800px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.location-left {
  flex: 1;
  position: relative;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-grid {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  border-radius: var(--radius);
}

.pin-marker {
  font-size: 48px;
  position: relative;
  z-index: 2;
  animation: pinDrop 1.5s ease-out forwards;
  transform: translateY(-100px);
  opacity: 0;
}

.pulse-ring {
  position: absolute;
  width: 20px;
  height: 20px;
  background: rgba(239,68,68,0.3);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 2s ease-out infinite;
}

@keyframes pinDrop {
  0% {
    transform: translateY(-100px) scale(1.2);
    opacity: 0;
  }
  60% {
    transform: translateY(10px) scale(0.95);
    opacity: 1;
  }
  80% {
    transform: translateY(-5px) scale(1.02);
  }
  100% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

@keyframes pulse {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(8);
    opacity: 0;
  }
}

.arrow-connector {
  font-size: 32px;
  color: var(--gold);
  animation: arrowPulse 1.5s ease-in-out infinite;
}

@keyframes arrowPulse {
  0%, 100% { opacity: 0.5; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(5px); }
}

.location-right {
  flex: 1;
  position: relative;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.package-icon {
  font-size: 64px;
  animation: packageFly 1.5s ease-out 0.5s forwards;
  transform: translateX(-100px);
  opacity: 0;
}

@keyframes packageFly {
  0% {
    transform: translateX(-100px);
    opacity: 0;
  }
  50% {
    transform: translateX(10px);
    opacity: 1;
  }
  70% {
    transform: translateX(-10px);
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

.check-bounce {
  font-size: 48px;
  position: absolute;
  top: 20%;
  right: 15%;
  animation: checkBounce 0.5s ease-out 1.8s forwards;
  opacity: 0;
  transform: scale(0);
}

@keyframes checkBounce {
  0% {
    opacity: 0;
    transform: scale(0);
  }
  70% {
    transform: scale(1.2);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* ============ 页面标题区 ============ */
.page-hero {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-deep) 100%);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
}

.page-hero h1 {
  font-size: 48px;
  color: white;
  margin-bottom: 16px;
  font-weight: 800;
}

.page-hero p {
  font-size: 20px;
  color: rgba(255,255,255,0.85);
}

/* ============ 内容区块 ============ */
.section {
  padding: 80px 0;
}

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

/* 精准定位卡片 */
.gps-card {
  border-top: 4px solid var(--red);
}

.gps-card .card-icon {
  width: 56px;
  height: 56px;
  background: var(--red-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.gps-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.gps-card p {
  color: var(--text-muted);
  font-size: 15px;
}

/* 顺丰包邮卡片 */
.ship-card {
  border-top: 4px solid var(--gold);
}

.ship-card .card-icon {
  width: 56px;
  height: 56px;
  background: var(--gold-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

/* 产品卡片 */
.product-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: var(--transition);
  border-top: 4px solid var(--teal);
  position: relative;
}

.product-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

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

.product-image {
  height: 200px;
  background: linear-gradient(135deg, var(--bg-page), var(--bg-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
}

.product-content {
  padding: 24px;
}

.product-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.product-title {
  font-size: 22px;
  margin-bottom: 8px;
}

.product-model {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.product-features {
  margin-bottom: 20px;
}

.product-features li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-features li::before {
  content: '✓';
  color: var(--teal);
  font-weight: bold;
}

/* 三方对比 */
.tri-compare {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tri-compare-item {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.tri-compare-item.best {
  background: linear-gradient(180deg, var(--bg-light), white);
  border: 2px solid var(--teal);
  transform: scale(1.02);
}

.tri-compare-item.warning {
  background: var(--gold-light);
  border: 2px solid var(--gold);
}

.tri-compare-item.bad {
  background: var(--red-light);
  border: 2px solid var(--red);
}

.tri-compare-item .icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.tri-compare-item h4 {
  font-size: 18px;
  margin-bottom: 16px;
}

.tri-compare-item ul {
  text-align: left;
  font-size: 14px;
}

.tri-compare-item li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.tri-compare-item li:last-child {
  border-bottom: none;
}

/* CTA区域 */
.cta-section {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-deep) 100%);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  color: white;
  font-size: 36px;
  margin-bottom: 16px;
}

.cta-features {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.cta-features span {
  color: rgba(255,255,255,0.9);
  font-size: 16px;
}

.cta-form {
  background: var(--teal-deep);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 600px;
  margin: 0 auto;
}

.cta-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.cta-form .form-input,
.cta-form .form-select {
  background: white;
  border-color: transparent;
}

/* ============ 保障卡片 ============ */
.guarantee-card {
  text-align: center;
  padding: 32px 24px;
}

.guarantee-card .icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.guarantee-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.guarantee-card p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ============ 品牌数据 ============ */
.brand-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-item .icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.stat-item .value {
  font-size: 32px;
  font-weight: 700;
  color: var(--teal);
  font-family: 'Barlow', sans-serif;
}

.stat-item .label {
  font-size: 14px;
  color: var(--text-muted);
}

/* ============ 资质展示 ============ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cert-item {
  background: white;
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  box-shadow: var(--card-shadow);
  border: 2px solid var(--border);
  transition: var(--transition);
}

.cert-item:hover {
  border-color: var(--teal);
}

.cert-item .icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.cert-item h4 {
  font-size: 16px;
  color: var(--text-dark);
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tri-compare {
    grid-template-columns: 1fr;
  }
  
  .steps {
    flex-wrap: wrap;
  }
  
  .step {
    max-width: 45%;
  }
  
  .step::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero h1,
  .page-hero h1 {
    font-size: 32px;
  }
  
  .hero-subtitle,
  .page-hero p {
    font-size: 16px;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .location-animation {
    flex-direction: column;
    gap: 24px;
  }
  
  .location-left,
  .location-right {
    height: 150px;
  }
  
  .arrow-connector {
    transform: rotate(90deg);
  }
  
  .cta-form {
    padding: 24px;
  }
  
  .cta-form .form-row {
    grid-template-columns: 1fr;
  }
  
  .cert-grid {
    grid-template-columns: 1fr;
  }
  
  .steps {
    flex-direction: column;
    align-items: center;
  }
  
  .step {
    max-width: 100%;
  }
  
  .compare-table {
    font-size: 12px;
  }
  
  .compare-table th,
  .compare-table td {
    padding: 10px 8px;
  }
}

/* ============ 滚动条美化 ============ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-page);
}

::-webkit-scrollbar-thumb {
  background: var(--teal);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--teal-dark);
}

/* ============ 数字强调 ============ */
.number-highlight {
  font-family: 'Barlow', sans-serif;
  font-weight: 700;
  color: var(--teal);
}

/* ============ 强调文字 ============ */
.highlight-text {
  color: var(--teal);
  font-weight: 600;
}

.highlight-gold {
  color: var(--gold);
  font-weight: 600;
}

.highlight-red {
  color: var(--red);
  font-weight: 600;
}

/* ============ 引用块 ============ */
.blockquote {
  background: var(--bg-page);
  border-left: 4px solid var(--teal);
  padding: 20px 24px;
  margin: 24px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--text-muted);
}

/* ============ 列表样式 ============ */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

.feature-list .icon {
  font-size: 24px;
  flex-shrink: 0;
}

.feature-list h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.feature-list p {
  font-size: 14px;
  color: var(--text-muted);
}