/* 三三科技 - 公共样式 */

/* 基础样式 */
body {
  font-family: 'Hanken Grotesk', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft YaHei", sans-serif;
  background-color: #f9f9fb;
  color: #1a1c1d;
  overflow-x: hidden;
}

/* Material Symbols 图标 */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

/* Logo文字 */
.logo-text {
  font-size: 1.25rem;
  font-weight: 900;
  color: #1a478c;
  letter-spacing: -0.025em;
}

/* 主导航头部 */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: 5rem;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 48, 109, 0.05);
}

/* 头部容器 */
.header-container {
  max-width: 1440px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

/* 导航active样式 */
.nav-active {
  font-size: 18px;
  font-weight: 700;
  position: relative;
}

.nav-active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #B8865A;
}

/* 导航链接 */
.nav-link {
  font-family: inherit;
  font-size: 18px;
  line-height: 1.6;
  color: #595f65;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: #1a478c;
}

/* 主要按钮 */
.btn-primary {
  background-color: #B8865A;
  color: white;
  padding: 10px 28px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px rgba(184, 134, 90, 0.2);
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-primary:active {
  transform: scale(0.95);
}

/* 页脚样式 */
.main-footer {
  background-color: #1a478c;
  color: white;
  padding: 3rem 0 2rem;
}

.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.footer-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
}

.footer-subtitle {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
}

.footer-link {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: white;
}

.footer-social {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
}

.footer-social:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

/* 毛玻璃卡片 */
.glass-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 48, 109, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(184, 134, 90, 0.3);
  box-shadow: 0 12px 30px -10px rgba(0, 48, 109, 0.08);
}

/* 蓝色毛玻璃卡片 */
.glass-card-blue {
  background: rgba(235, 241, 248, 0.6);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(26, 71, 140, 0.1);
  transition: all 0.3s ease;
}

.glass-card-blue:hover {
  border-color: rgba(26, 71, 140, 0.3);
  transform: translateY(-4px);
}

/* AI发光效果 */
.ai-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(173, 198, 255, 0.15) 0%, rgba(249, 249, 251, 0) 70%);
  border-radius: 50%;
  z-index: -1;
  filter: blur(40px);
}

/* 线框图案背景 */
.wireframe-pattern {
  background-image: radial-gradient(rgba(26, 71, 140, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* 数据流背景 */
.data-stream-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle at 2px 2px, rgba(0, 48, 109, 0.03) 1px, transparent 0);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* 赤陶色强调边框 */
.terracotta-accent {
  border-left: 3px solid #B8865A;
  padding-left: 12px;
}

/* 悬浮抬起效果 */
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-2px);
}

/* 时间线样式 */
.timeline-line {
  background: linear-gradient(90deg, rgba(173, 198, 255, 0) 0%, rgba(173, 198, 255, 0.6) 50%, rgba(173, 198, 255, 0) 100%);
}

/* 输入框样式 */
.input-minimal {
  background: #ffffff;
  border: 1px solid rgba(115, 119, 130, 0.2);
  transition: all 0.3s ease;
}

.input-minimal:focus {
  outline: none;
  border-color: #B8865A;
  box-shadow: 0 0 0 2px rgba(184, 134, 90, 0.1);
}

/* 文字发光效果 */
.glow-text {
  text-shadow: 0 0 20px rgba(0, 48, 109, 0.2);
}

/* 目录项样式 */
.toc-item {
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
  padding-left: 12px;
}

.toc-item.active {
  color: #B8865A !important;
  border-left: 2px solid #B8865A !important;
  padding-left: 12px;
  font-weight: 600;
}

/* 侧边栏粘性定位 */
.sidebar-sticky {
  position: sticky;
  top: 100px;
}

/* 背景网格 */
.bg-mesh {
  background-color: #EBF1F8;
  background-image: radial-gradient(at 0% 0%, rgba(184, 134, 90, 0.05) 0px, transparent 50%),
                    radial-gradient(at 100% 100%, rgba(0, 48, 109, 0.05) 0px, transparent 50%);
}

/* 动画定义 */
@keyframes ambientPulse {
  0% { box-shadow: 0 0 0 0 rgba(184, 134, 90, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(184, 134, 90, 0); }
  100% { box-shadow: 0 0 0 0 rgba(184, 134, 90, 0); }
}

.node-pulse {
  animation: ambientPulse 2s infinite;
}

@keyframes rotateCube {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.wireframe-cube {
  animation: rotateCube 20s linear infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.floating {
  animation: float 6s ease-in-out infinite;
}

@keyframes revealUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal-up {
  animation: revealUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* 时间线节点悬停效果 */
.timeline-node-container:hover .node-circle {
  transform: scale(1.15);
  background-color: #00459a;
  box-shadow: 0 10px 20px rgba(0, 48, 109, 0.3);
}

.timeline-node-container:hover .node-ring {
  background-color: rgba(184, 134, 90, 0.1);
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 选中文本样式 */
::selection {
  background: #B8865A;
  color: white;
}

/* Hero Section */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background-color: rgba(0, 48, 109, 0.05);
  border-radius: 9999px;
  border: 1px solid rgba(0, 48, 109, 0.1);
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
  animation-delay: 0.2s;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: #1a478c;
  line-height: 1.15;
  letter-spacing: -0.025em;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
  animation-delay: 0.4s;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.75;
  color: #595f65;
  max-width: 36rem;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
  animation-delay: 0.6s;
}

/* Hero CTA Buttons Animation */
.btn-cta-primary,
.btn-cta-secondary {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.btn-cta-primary {
  animation-delay: 0.8s;
}

.btn-cta-secondary {
  animation-delay: 0.9s;
}

/* Hero Animation Keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Hero Background Parallax Effect */
.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 48, 109, 0.03) 0%, rgba(184, 134, 90, 0.02) 50%, rgba(0, 48, 109, 0.03) 100%);
  opacity: 0;
  animation: backgroundPulse 4s ease-in-out infinite;
  z-index: 0;
}

@keyframes backgroundPulse {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.6;
  }
}

.btn-cta-primary {
  background-color: #B8865A;
  color: white;
  padding: 1.25rem 3rem;
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: 0 20px 40px rgba(184, 134, 90, 0.25);
  transition: all 0.3s ease;
}

.btn-cta-primary:hover {
  transform: scale(1.05);
}

.btn-cta-secondary {
  border: 2px solid rgba(0, 48, 109, 0.2);
  color: #1a478c;
  padding: 1.25rem 3rem;
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-cta-secondary:hover {
  background-color: rgba(255, 255, 255, 0.5);
  border-color: #1a478c;
}

/* Section */
.section-padding {
  padding: 8rem 0;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1a478c;
}

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

.section-divider {
  width: 5rem;
  height: 0.25rem;
  background-color: #B8865A;
  margin: 1rem auto 0;
}

/* Pain Points Card */
.pain-card {
  padding: 2.5rem;
  border: 1px solid rgba(0, 48, 109, 0.05);
  background-color: #f9f9fb;
  border-radius: 1rem;
  transition: all 0.3s ease;
}

.pain-card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.pain-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 1rem;
  background-color: rgba(0, 48, 109, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}

.pain-icon i {
  font-size: 2rem;
  color: #1a478c;
}

/* Service Card */
.service-card {
  padding: 2rem;
  background: rgba(235, 241, 248, 0.6);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(26, 71, 140, 0.1);
  border-radius: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: rgba(26, 71, 140, 0.3);
  transform: translateY(-4px);
}

.service-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a478c;
  margin-bottom: 0.5rem;
}

.service-desc {
  font-size: 0.875rem;
  color: #595f65;
}

.service-link {
  font-size: 0.75rem;
  color: #B8865A;
  margin-top: 2rem;
}

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

/* Advantage Item */
.advantage-item {
  display: flex;
  gap: 1.5rem;
  transition: all 0.3s ease;
}

.advantage-number {
  font-size: 3.75rem;
  font-weight: 700;
  color: rgba(0, 48, 109, 0.1);
  transition: all 0.3s ease;
}

.advantage-item:hover .advantage-number {
  color: #1a478c;
  transform: scale(1.1);
}

.advantage-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a478c;
  border-left: 3px solid #B8865A;
  padding-left: 0.75rem;
  margin-bottom: 0.5rem;
}

.advantage-desc {
  font-size: 0.875rem;
  color: #595f65;
  line-height: 1.75;
}

/* Case Card */
.case-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 48, 109, 0.1);
  border-radius: 1.5rem;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(184, 134, 90, 0.3);
  box-shadow: 0 12px 30px -10px rgba(0, 48, 109, 0.08);
}

.case-image {
  height: 16rem;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.case-card:hover .case-image img {
  transform: scale(1.05);
}

.case-tag {
  font-size: 0.75rem;
  color: #B8865A;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.case-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a478c;
  margin-bottom: 1rem;
}

.case-desc {
  font-size: 0.875rem;
  color: #595f65;
}

/* CTA Section */
.cta-section {
  padding: 8rem 0;
  background-color: #EBF1F8;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: #1a478c;
  line-height: 1.2;
  margin-bottom: 2rem;
}

.cta-subtitle {
  font-size: 1.25rem;
  color: #595f65;
  margin-bottom: 3rem;
}

/* 数字装饰 */
.number-decoration {
  font-size: 11.25rem;
  font-weight: 900;
  color: rgba(0, 48, 109, 0.05);
  line-height: 1;
}

/* Hero Section 通用 */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-badge-alt {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background-color: rgba(0, 48, 109, 0.05);
  border-radius: 9999px;
  border: 1px solid rgba(0, 48, 109, 0.1);
}

.hero-title-alt {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: #1a478c;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.hero-subtitle-alt {
  font-size: 1.125rem;
  line-height: 1.75;
  color: #595f65;
  max-width: 36rem;
}

/* Section Title */
.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-header h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1a478c;
  margin-bottom: 1rem;
}

.section-header .divider {
  width: 5rem;
  height: 0.25rem;
  background-color: #B8865A;
  margin: 0 auto;
}

/* Stats Card */
.stats-card {
  padding: 3rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 48, 109, 0.1);
  border-radius: 2rem;
  box-shadow: 0 20px 40px rgba(0, 48, 109, 0.05);
  transition: all 0.3s ease;
}

.stats-card:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 40px rgba(0, 48, 109, 0.1);
}

.stats-number {
  font-size: 4rem;
  font-weight: 700;
  color: rgba(0, 48, 109, 0.1);
  line-height: 1;
  margin-bottom: 1.5rem;
}

.stats-card:hover .stats-number {
  color: #1a478c;
}

.stats-tag {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  background-color: #B8865A;
  color: white;
  border-radius: 0.375rem;
  margin-bottom: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  box-shadow: 0 4px 10px rgba(184, 134, 90, 0.2);
}

.stats-desc {
  font-size: 0.875rem;
  color: #595f65;
  line-height: 1.75;
}

/* Timeline Node */
.timeline-node-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.5s ease;
}

.timeline-node-container:hover {
  transform: translateY(-0.5rem);
}

/* 服务流程最后一个步骤特殊样式 */
.service-final-step {
  background-color: #B8865A !important;
}

.service-final-step:hover {
  background-color: #00459a !important;
}

.service-final-year {
  color: #B8865A !important;
}

.timeline-node-container:hover .service-final-year {
  color: #B8865A !important;
}

.node-ring {
  margin-bottom: 2rem;
  padding: 0.25rem;
  border-radius: 50%;
  background-color: #EBF1F8;
  border: 2px solid rgba(184, 134, 90, 0.4);
  transition: all 0.3s ease;
}

.node-circle {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: #1a478c;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 10px 20px rgba(0, 48, 109, 0.2);
  transition: all 0.3s ease;
}

.timeline-year {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a478c;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.timeline-node-container:hover .timeline-year {
  color: #B8865A;
}

.timeline-desc {
  font-size: 0.875rem;
  color: #595f65;
  max-width: 12.5rem;
  text-align: center;
}

/* Article Card */
.article-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 48, 109, 0.1);
  border-radius: 0.75rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.article-card:hover {
  box-shadow: 0 20px 40px rgba(0, 48, 109, 0.08);
}

.article-thumb {
  width: 100%;
  height: 12rem;
  overflow: hidden;
  border-radius: 0.5rem;
  background-color: #f1f3f4;
}

.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-card:hover .article-thumb img {
  transform: scale(1.05);
}

.article-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a478c;
  line-height: 1.5;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: rgba(89, 95, 101, 0.6);
}

.article-desc {
  font-size: 0.875rem;
  color: #595f65;
  line-height: 1.75;
}

.article-link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: #1a478c;
  font-weight: 600;
  margin-top: auto;
  transition: all 0.2s ease;
}

.article-link:hover {
  color: #B8865A;
}

.article-link .material-symbols-outlined {
  transition: transform 0.2s ease;
}

.article-link:hover .material-symbols-outlined {
  transform: translateX(0.25rem);
}

/* Sidebar */
.sidebar-section {
  margin-bottom: 3rem;
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #1a478c;
  margin-bottom: 1.5rem;
}

.sidebar-search {
  width: 100%;
  background: white;
  border-bottom: 1px solid rgba(0, 48, 109, 0.1);
  padding: 1rem 0 1rem 0;
  padding-right: 2.5rem;
  transition: all 0.3s ease;
}

.sidebar-search:focus {
  outline: none;
  border-bottom-color: #B8865A;
}

.sidebar-search::placeholder {
  color: rgba(89, 95, 101, 0.4);
}

.sidebar-search-icon {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(89, 95, 101, 0.4);
  transition: color 0.3s ease;
}

.sidebar-search:focus + .sidebar-search-icon {
  color: #B8865A;
}

.sidebar-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.75rem 0;
  transition: all 0.3s ease;
}

.sidebar-category:hover {
  transform: translateX(0.5rem);
}

.sidebar-category-name {
  font-size: 0.875rem;
  color: #595f65;
  transition: color 0.3s ease;
}

.sidebar-category:hover .sidebar-category-name {
  color: #1a478c;
}

.sidebar-category-count {
  font-size: 0.75rem;
  padding: 0.125rem 0.5rem;
  border-radius: 0.25rem;
  background-color: #f1f3f4;
  color: #595f65;
}

.sidebar-category.active .sidebar-category-name {
  color: #B8865A;
  font-weight: 600;
}

.sidebar-category.active .sidebar-category-count {
  background-color: rgba(184, 134, 90, 0.1);
  color: #B8865A;
}

.sidebar-cta {
  padding: 1.5rem;
  background-color: #1a478c;
  color: white;
  border-radius: 0.75rem;
}

.sidebar-cta-title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.sidebar-cta-btn {
  width: 100%;
  padding: 0.75rem;
  background-color: #B8865A;
  color: white;
  border-radius: 0.5rem;
  font-weight: 700;
  transition: all 0.3s ease;
}

.sidebar-cta-btn:hover {
  opacity: 0.9;
}

/* Contact Form */
.contact-form-card {
  padding: 2.5rem 3rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 48, 109, 0.1);
  border-radius: 0.75rem;
  display: flex;
  flex-direction: column;
}

.contact-form-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1a478c;
  margin-bottom: 0.5rem;
}

.contact-form-subtitle {
  font-size: 0.875rem;
  color: #595f65;
  margin-bottom: 2.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #B8865A;
}

.form-input {
  padding: 0.75rem 1rem;
  background: white;
  border: 1px solid rgba(115, 119, 130, 0.2);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: #B8865A;
  box-shadow: 0 0 0 2px rgba(184, 134, 90, 0.1);
}

.form-input::placeholder {
  color: rgba(89, 95, 101, 0.4);
}

.form-submit-btn {
  width: 100%;
  padding: 1rem;
  background-color: #B8865A;
  color: white;
  border-radius: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 1rem;
  transition: all 0.3s ease;
}

.form-submit-btn:hover {
  filter: brightness(1.1);
  box-shadow: 0 8px 30px rgba(184, 134, 90, 0.3);
}

.form-submit-btn:active {
  transform: scale(0.98);
}

/* Contact Info Card */
.contact-info-card {
  padding: 2.5rem 3rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 48, 109, 0.1);
  border-radius: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.qr-code-container {
  position: relative;
}

.qr-code-container::before {
  content: '';
  position: absolute;
  inset: -0.25rem;
  background: linear-gradient(90deg, #1a478c, #B8865A);
  border-radius: 0.75rem;
  opacity: 0.1;
  transition: opacity 0.5s ease;
}

.qr-code-container:hover::before {
  opacity: 0.2;
}

.qr-code {
  position: relative;
  background: white;
  padding: 1rem;
  border-radius: 0.75rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.contact-info-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.5rem;
}

.contact-info-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #B8865A;
  margin-bottom: 0.5rem;
}

.contact-info-value {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a478c;
}

.contact-info-detail {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: #595f65;
}

.contact-social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 48, 109, 0.05);
  width: 100%;
}

.contact-social-link {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid rgba(0, 48, 109, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a478c;
  transition: all 0.3s ease;
}

.contact-social-link:hover {
  background-color: #1a478c;
  color: white;
}

/* 404 Page */
.error-page {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 5rem;
  overflow: hidden;
}

.error-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 1rem;
  background-color: rgba(184, 134, 90, 0.1);
  border-radius: 9999px;
  border: 1px solid rgba(184, 134, 90, 0.2);
}

.error-badge-text {
  font-size: 0.75rem;
  font-weight: 600;
  color: #B8865A;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.error-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: #1a478c;
  line-height: 1.2;
}

.error-subtitle {
  font-size: 1.125rem;
  color: #595f65;
  max-width: 28rem;
  line-height: 1.75;
}

.error-btn-primary,
.error-btn-secondary {
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.error-btn-primary {
  background-color: rgba(0, 48, 109, 0.1);
  color: #1a478c;
}

.error-btn-primary:hover {
  transform: translateY(-0.125rem);
}

.error-btn-secondary {
  border: 1px solid #B8865A;
  color: #B8865A;
}

.error-btn-secondary:hover {
  background-color: rgba(184, 134, 90, 0.05);
}

.error-visual {
  position: relative;
}

.error-visual-card {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 48, 109, 0.1);
  border-radius: 1.5rem;
  position: relative;
  overflow: hidden;
}

.error-visual-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 1rem;
}

.error-float-card {
  position: absolute;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 0.5rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  animation: bounce 4s infinite;
}

.error-float-card:nth-child(2) {
  animation-duration: 3.5s;
  animation-delay: 1s;
}

/* GEO Page */
.geo-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f9f9fb;
  overflow: hidden;
  padding: 8rem 0;
}

.geo-hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 56rem;
  margin: 0 auto;
}

.geo-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background-color: rgba(0, 48, 109, 0.05);
  border-radius: 9999px;
  border: 1px solid rgba(0, 48, 109, 0.1);
  margin-bottom: 2rem;
}

.geo-hero-badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: #B8865A;
  animation: pulse 2s infinite;
}

.geo-hero-badge-text {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #1a478c;
}

.geo-hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: #1a478c;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.geo-hero-subtitle {
  font-size: 1.125rem;
  color: #595f65;
  max-width: 32rem;
  margin: 0 auto 3rem;
  line-height: 1.75;
}

.geo-ai-simulation {
  background-color: #1a478c;
  padding: 0.25rem;
  border-radius: 1rem;
  box-shadow: 0 20px 40px rgba(0, 48, 109, 0.2);
}

.geo-ai-simulation-inner {
  background-color: white;
  border-radius: 0.875rem;
  overflow: hidden;
}

.geo-ai-header {
  background-color: #f1f3f4;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(0, 48, 109, 0.05);
}

.geo-ai-dots {
  display: flex;
  gap: 0.375rem;
}

.geo-ai-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
}

.geo-ai-dot-red {
  background-color: #f87171;
}

.geo-ai-dot-yellow {
  background-color: #fbbf24;
}

.geo-ai-dot-green {
  background-color: #34d399;
}

.geo-ai-title {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #1a478c;
}

.geo-ai-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.geo-ai-message {
  display: flex;
  gap: 0.75rem;
}

.geo-ai-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.geo-ai-avatar-user {
  background-color: rgba(89, 95, 101, 0.1);
}

.geo-ai-avatar-ai {
  background-color: #1a478c;
}

.geo-ai-bubble {
  padding: 1rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  line-height: 1.75;
}

.geo-ai-bubble-user {
  background-color: #f1f3f4;
  border-top-left-radius: 0;
  color: #595f65;
}

.geo-ai-bubble-ai {
  color: #595f65;
}

.geo-ai-highlight {
  color: #1a478c;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: #B8865A;
  text-decoration-thickness: 2px;
}

.geo-ai-check-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background-color: rgba(0, 48, 109, 0.05);
  border-radius: 0.5rem;
  border: 1px solid rgba(0, 48, 109, 0.1);
  font-size: 0.75rem;
  color: #1a478c;
}

.geo-feature-card {
  position: relative;
  overflow: hidden;
  padding: 2rem;
  background: white;
  border: 1px solid rgba(0, 48, 109, 0.1);
  border-radius: 1rem;
  transition: all 0.5s ease;
}

.geo-feature-card:hover {
  box-shadow: 0 20px 40px rgba(0, 48, 109, 0.05);
  background-color: rgba(0, 48, 109, 0.05);
  transform: translateY(-0.5rem);
  border-color: rgba(0, 48, 109, 0.2);
}

.geo-feature-number {
  font-size: 4rem;
  font-weight: 700;
  color: rgba(0, 48, 109, 0.05);
  transition: all 0.5s ease;
}

.geo-feature-card:hover .geo-feature-number {
  color: #1a478c;
}

.geo-feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a478c;
  margin-bottom: 1rem;
}

.geo-feature-desc {
  font-size: 0.875rem;
  color: #595f65;
  line-height: 1.75;
}

/* Services Page */
.services-hero {
  position: relative;
  overflow: hidden;
  padding: 12rem 0;
}

.services-hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 48rem;
  margin: 0 auto;
}

.services-hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #B8865A;
  margin-bottom: 1rem;
}

.services-hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: #1a478c;
  margin-bottom: 1.5rem;
}

.services-hero-desc {
  font-size: 1.125rem;
  color: #595f65;
  max-width: 32rem;
  margin: 0 auto;
  line-height: 1.75;
}

.service-item-card {
  padding: 2rem 3rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 48, 109, 0.1);
  border-radius: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
  transition: all 0.5s ease;
}

.service-item-card:hover {
  transform: scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 48, 109, 0.08);
  border-color: rgba(0, 48, 109, 0.3);
}

.service-icon-container {
  width: 12rem;
  height: 12rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.service-icon-glow {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 48, 109, 0.05);
  border-radius: 50%;
  filter: blur(2rem);
}

.service-icon {
  font-size: 5rem;
  color: #1a478c;
}

.service-item-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a478c;
  margin-bottom: 1rem;
}

.service-item-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.service-item-list-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #595f65;
}

.service-item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.service-btn-outline {
  border: 1px solid #1a478c;
  color: #1a478c;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.service-btn-outline:hover {
  background-color: rgba(0, 48, 109, 0.05);
}

.service-btn-primary {
  background-color: #B8865A;
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.service-btn-primary:hover {
  opacity: 0.9;
}

.process-section {
  padding: 6rem 0;
  background-color: #f1f3f4;
  overflow: hidden;
}

.process-header {
  text-align: center;
  margin-bottom: 8rem;
}

.process-header h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1a478c;
  margin-bottom: 1rem;
}

.process-header p {
  font-size: 1.125rem;
  color: #595f65;
  max-width: 32rem;
  margin: 0 auto;
}

.process-timeline {
  position: relative;
}

.process-line {
  position: absolute;
  top: 3rem;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: rgba(0, 48, 109, 0.1);
}

.process-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 48, 109, 0.3), transparent);
  animation: pulse 2s infinite;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.process-step-number {
  position: relative;
  z-index: 10;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: #1a478c;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: 0 10px 20px rgba(0, 48, 109, 0.2);
  margin-bottom: 2rem;
}

.process-step-number:last-child {
  background-color: #B8865A;
}

.process-step-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a478c;
  margin-bottom: 0.5rem;
}

.process-step-desc {
  font-size: 0.875rem;
  color: #595f65;
}

/* Article Detail Page */
.article-detail-hero {
  min-height: 70vh;
  background-color: #f9f9fb;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 2rem;
}

.article-detail-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #1a478c;
  line-height: 1.2;
  text-align: center;
}

.article-detail-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: #595f65;
  margin-top: 2rem;
}

.article-detail-meta-divider {
  width: 0.25rem;
  height: 0.25rem;
  background-color: #595f65;
  border-radius: 50%;
}

.article-detail-abstract {
  margin-top: 3rem;
  padding: 2rem;
  background-color: #EBF1F8;
  border: 1px solid #B8865A;
  border-radius: 0.75rem;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.article-detail-abstract-icon {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 4rem;
  color: #B8865A;
  opacity: 0.2;
}

.article-detail-abstract-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #1a478c;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.article-detail-abstract-content {
  font-size: 1.125rem;
  font-style: italic;
  color: rgba(0, 48, 109, 0.7);
  line-height: 1.75;
}

.article-content-section {
  padding: 6rem 0;
  border-top: 1px solid #f1f3f4;
}

.article-content-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a478c;
  border-left: 4px solid #1a478c;
  padding-left: 1rem;
  margin-bottom: 1rem;
}

.article-content-text {
  font-size: 1.125rem;
  line-height: 1.75;
  color: #595f65;
}

.article-content-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
}

.article-content-list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.article-content-list-icon {
  color: #B8865A;
  flex-shrink: 0;
}

.article-content-quote {
  margin: 2.5rem 0;
  padding: 2rem;
  background-color: #f1f3f4;
  border-left: 6px solid #B8865A;
  position: relative;
}

.article-content-quote-text {
  font-size: 1.25rem;
  font-weight: 600;
  font-style: italic;
  color: #1a478c;
  line-height: 1.75;
}

.article-content-quote-author {
  font-size: 0.75rem;
  color: #595f65;
  margin-top: 1rem;
}

.article-content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.article-content-grid-item {
  padding: 1.5rem;
  background: white;
  border: 1px solid rgba(0, 48, 109, 0.05);
  border-radius: 0.75rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.article-content-grid-item-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #1a478c;
  margin-bottom: 0.5rem;
}

.article-content-grid-item-desc {
  font-size: 0.75rem;
  color: #595f65;
}

.article-content-grid-item.highlight {
  border: 2px solid rgba(184, 134, 90, 0.2);
}

.article-content-grid-item.highlight .article-content-grid-item-title {
  color: #B8865A;
}

.article-content-grid-item.highlight .article-content-grid-item-desc {
  color: #595f65;
}

.article-toc-sidebar {
  padding: 2rem;
  border-left: 1px solid #f1f3f4;
}

.article-toc-title {
  font-size: 0.75rem;
  color: #595f65;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.article-toc-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.article-toc-link {
  font-size: 0.875rem;
  color: #595f65;
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
}

.article-toc-link:hover {
  color: #B8865A;
}

.article-toc-link.active {
  color: #B8865A !important;
  border-left-color: #B8865A !important;
  padding-left: 0.75rem;
  font-weight: 600;
}

/* Floating Action Button */
.fab-button {
  position: fixed;
  bottom: 2.5rem;
  right: 2.5rem;
  z-index: 110;
  width: 4rem;
  height: 4rem;
  background-color: #B8865A;
  color: white;
  border-radius: 50%;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.fab-button:hover {
  transform: scale(1.1);
}

.fab-button:active {
  transform: scale(0.9);
}

.fab-button .material-symbols-outlined {
  font-size: 2rem;
  transition: transform 0.3s ease;
}

.fab-button:hover .material-symbols-outlined {
  transform: rotate(12deg);
}

.fab-tooltip {
  position: absolute;
  right: 100%;
  margin-right: 1rem;
  background: white;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  color: #1a478c;
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 48, 109, 0.1);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  white-space: nowrap;
}

.fab-button:hover .fab-tooltip {
  opacity: 1;
}

/* 移动端菜单 */
.mobile-menu-btn {
  background: none;
  border: none;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn .material-symbols-outlined {
  font-size: 1.5rem;
}

/* 移动端侧边栏 */
.mobile-sidebar {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background-color: white;
  color: #0F3663;
  z-index: 100;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
  padding: 0;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
}

.mobile-sidebar.active {
  right: 0;
}

.mobile-sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(0, 48, 109, 0.05);
  margin-bottom: 0;
  background-color: white;
}

.mobile-sidebar-header .logo-text {
  color: #0F3663;
  font-size: 1.25rem;
}

.mobile-close-btn {
  background: none;
  border: none;
  color: #595f65;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
}

.mobile-close-btn:hover {
  color: #0F3663;
}

.mobile-close-btn .material-symbols-outlined {
  font-size: 1.5rem;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0.5rem 0;
}

.mobile-nav-link {
  color: #595f65;
  padding: 1rem 1.5rem;
  transition: all 0.2s ease;
  font-size: 1rem;
  border-left: 3px solid transparent;
}

.mobile-nav-link:hover {
  background-color: rgba(0, 48, 109, 0.02);
  color: #0F3663;
}

.mobile-nav-link.active {
  background-color: rgba(15, 54, 99, 0.05);
  color: #0F3663;
  font-weight: 600;
  border-left-color: #0F3663;
}

.mobile-cta-btn {
  margin-top: auto;
  margin: 0.75rem 1rem;
  background-color: #B8865A;
  color: white;
  padding: 0.625rem 1rem;
  border: none;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(184, 134, 90, 0.2);
}

.mobile-cta-btn:hover {
  filter: brightness(1.05);
  transform: translateY(-2px);
}

/* 遮罩层 */
.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* 响应式样式 - 移动端优化 */
@media (max-width: 768px) {
  /* 基础容器 - 关键修复：移动端边距 */
  .header-container,
  .footer-container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  /* Header移动端优化 */
  .main-header {
    height: 4rem;
  }

  .btn-primary {
    padding: 0.625rem 1.25rem;
    font-size: 0.75rem;
  }

  /* 全局容器边距修复 */
  [class*="max-w-container"] {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  /* Grid布局优化 */
  [class*="grid"] {
    gap: 1rem !important;
  }

  /* Logo文字 */
  .logo-text {
    font-size: 1.25rem;
  }

  /* Hero区域 */
  .hero-title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
    line-height: 1.25;
  }

  .hero-subtitle {
    font-size: 1rem;
    line-height: 1.6;
  }

  .btn-cta-primary,
  .btn-cta-secondary {
    padding: 1rem 2rem;
    font-size: 0.875rem;
  }

  /* Section */
  .section-padding {
    padding: 4rem 0;
  }

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

  /* Stats Card */
  .stats-card {
    padding: 1.5rem;
    margin-bottom: 1rem;
  }

  .stats-number {
    font-size: 2.5rem;
  }

  /* Pain Card */
  .pain-card {
    padding: 1.5rem;
    margin-bottom: 1rem;
  }

  .pain-icon {
    width: 3rem;
    height: 3rem;
    margin-bottom: 1.5rem;
  }

  /* Service Card */
  .service-card {
    padding: 1.5rem;
    margin-bottom: 1rem;
  }

  .service-title {
    font-size: 1.125rem;
  }

  /* Advantage Item */
  .advantage-number {
    font-size: 2.5rem;
  }

  .advantage-title {
    font-size: 1.125rem;
  }

  /* Case Card */
  .case-image {
    height: 12rem;
  }

  /* CTA Section */
  .cta-section {
    padding: 4rem 0;
  }

  .cta-title {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
  }

  .cta-subtitle {
    font-size: 1rem;
  }

  /* Footer */
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* 时间线 */
  .timeline-node-container {
    padding: 1rem;
  }

  .node-circle {
    width: 3rem;
    height: 3rem;
  }

  .timeline-year {
    font-size: 1.125rem;
  }

  .timeline-desc {
    font-size: 0.8125rem;
    max-width: 100%;
  }

  /* 404 Page */
  .error-title {
    font-size: clamp(1.75rem, 6vw, 3rem);
  }

  .error-subtitle {
    font-size: 1rem;
  }

  /* GEO Page */
  .geo-hero {
    padding: 6rem 0;
  }

  .geo-hero-title {
    font-size: clamp(1.75rem, 6vw, 2.75rem);
  }

  /* Services Page */
  .services-hero {
    padding: 8rem 0;
  }

  .services-hero-title {
    font-size: clamp(1.75rem, 6vw, 2.75rem);
  }

  .service-item-card {
    padding: 1.5rem;
    margin-bottom: 1rem;
  }

  .service-icon-container {
    width: 8rem;
    height: 8rem;
  }

  .service-icon {
    font-size: 3.5rem;
  }

  .service-item-list {
    grid-template-columns: 1fr;
  }

  /* Process Steps */
  .process-section {
    padding: 4rem 0;
  }

  .process-step-number {
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.125rem;
  }

  /* Article Detail */
  .article-detail-hero {
    padding: 4rem 1rem;
  }

  .article-detail-title {
    font-size: clamp(1.5rem, 5vw, 2.25rem);
  }

  .article-content-grid {
    grid-template-columns: 1fr;
  }

  /* Contact Form */
  .contact-form-card {
    padding: 1.5rem;
  }

  .contact-info-card {
    padding: 1.5rem;
  }

  /* Article Card */
  .article-card {
    padding: 1rem;
    margin-bottom: 1rem;
  }

  .article-thumb {
    height: 10rem;
  }

  /* Sidebar */
  .sidebar-cta {
    padding: 1rem;
  }

  /* 数字装饰 */
  .number-decoration {
    font-size: 6rem;
  }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
  .main-header {
    height: 4rem;
  }

  .hero-title {
    font-size: clamp(1.5rem, 7vw, 2.25rem);
  }

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

  .btn-cta-primary,
  .btn-cta-secondary {
    padding: 0.875rem 1.5rem;
    font-size: 0.8125rem;
  }

  .stats-card {
    padding: 1.5rem;
  }

  .stats-number {
    font-size: 2rem;
  }

  .section-padding {
    padding: 3rem 0;
  }

  .case-image {
    height: 10rem;
  }

  .cta-title {
    font-size: clamp(1.25rem, 6vw, 2rem);
  }

  .node-circle {
    width: 2.5rem;
    height: 2.5rem;
  }

  .timeline-year {
    font-size: 1rem;
  }

  .process-step-number {
    width: 3rem;
    height: 3rem;
    font-size: 1rem;
  }
}