/* ============================================================
   综合样式表 - 宇凡建站
   ============================================================ */

/* ========== 全局重置 & 基础 ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-page: #eef1f5;
  --white: #ffffff;
  --light-gray: #f6f8fa;
  --text: #1a1d23;
  --text-secondary: #5a6375;
  --border: #e1e5eb;
  --accent: #0f1419;
  --gold: #9e8a6e;
  --primary: #3b5998;
  --primary-hover: #304b80;
  --primary-light: #eef1f7;
  --primary-soft: rgba(59, 89, 152, 0.08);
  --primary-border: rgba(59, 89, 152, 0.3);
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.04);
  --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --success: #10b981;
  --error: #ef4444;
}

body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-page);
  color: var(--text);
  line-height: 1.6;
  letter-spacing: 0.2px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ========== 布局容器 ========== */
.main-wrapper {
  max-width: 1440px;
  margin: 0 auto;
  background: var(--white);
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.03);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
}

/* ========== 动画 ========== */
@keyframes gentlePulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(59, 89, 152, 0.25);
  }
  50% {
    transform: scale(1.03);
    box-shadow: 0 0 0 8px rgba(59, 89, 152, 0);
  }
}

@keyframes subtleFloat {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-4px);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes checkmark {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.pulse-animation {
  animation: gentlePulse 2.5s ease-in-out infinite;
}

.float-animation {
  animation: subtleFloat 3s ease-in-out infinite;
}

/* ========== 滚动渐现 ========== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.9s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ========== 排版组件 ========== */
.section-tag {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.8rem;
  font-weight: 500;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: -0.5px;
  margin-bottom: 0.8rem;
  color: #0a0d14;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-weight: 300;
}

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

/* ========== 按钮 ========== */
.btn {
  display: inline-block;
  padding: 0.8rem 2.4rem;
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
  border-radius: 4px;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 89, 152, 0.3);
}

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

.btn-dark:hover {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-consult {
  background: var(--primary);
  border: 2px solid var(--primary);
  color: white;
  padding: 0.5rem 1.8rem;
  border-radius: 4px;
  font-weight: 500;
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  animation: gentlePulse 2.5s ease-in-out infinite;
}

.btn-consult::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s;
}

.btn-consult:hover::before {
  left: 100%;
}

.btn-consult:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 89, 152, 0.35);
  animation: none;
}

.btn-consult.pulse-animation {
  color: white !important;
}

.btn-submit {
  width: 100%;
  padding: 0.9rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  background: var(--primary);
  color: white;
  border: 2px solid var(--primary);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-submit:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 89, 152, 0.3);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-white {
  display: inline-block;
  padding: 0.8rem 2.5rem;
  background: white;
  color: var(--primary);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* ========== 头部导航 ========== */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 100;
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.nav-desktop {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-desktop a {
  text-decoration: none;
  color: #4a5568;
  font-weight: 400;
  font-size: 0.85rem;
  transition: color 0.3s;
  position: relative;
  padding-bottom: 4px;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-desktop a:hover {
  color: #3b5998;
}
.btn-consult a:hover {
    color: #ffffff;
}
.nav-desktop a:hover::after {
  width: 100%;
}

.nav-desktop a.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-desktop a.active::after {
  width: 100%;
  background: var(--primary);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  background: none;
  border: none;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #333;
  transition: 0.3s;
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }
  .hamburger {
    display: flex;
  }
}

/* ========== 移动端导航面板 ========== */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  backdrop-filter: blur(4px);
}

.mobile-nav-overlay.open {
  display: block;
}

.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: white;
  z-index: 999;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.mobile-nav-panel.open {
  right: 0;
}

.mobile-nav-panel .close-btn {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: #333;
  padding: 0.5rem;
  line-height: 1;
  margin-bottom: 2rem;
}

.mobile-nav-panel a {
  display: block;
  text-decoration: none;
  color: #333;
  font-size: 1.1rem;
  font-weight: 500;
  padding: 1rem 0;
  border-bottom: 1px solid #eee;
  transition: color 0.2s;
}

.mobile-nav-panel a:hover {
  color: var(--primary);
}

.mobile-nav-panel a.active {
  color: var(--primary);
  font-weight: 600;
}

/* ========== 页面顶部标题栏 ========== */
.page-hero {
  background: linear-gradient(135deg, #2c313aad 0%, #3a3e4a 100%);
  padding: 5rem 0;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 89, 152, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero .page-title {
  font-size: 3rem;
  font-weight: 300;
  letter-spacing: -1px;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.page-hero .page-breadcrumb {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  position: relative;
  z-index: 1;
}

.page-hero .page-breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: 0.3s;
}

.page-hero .page-breadcrumb a:hover {
  color: white;
}

.page-hero .page-subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  position: relative;
  z-index: 1;
  font-weight: 300;
  margin-bottom: 1.5rem;
}

/* ========== 内容区块 ========== */
.section-light {
  background: var(--white);
}

.section-gray {
  background: var(--light-gray);
}

section {
  padding: 5rem 0;
}

/* ========== Banner / Swiper ========== */
.hero-swiper {
  width: 100%;
  height: 520px;
  position: relative;
}

.hero-swiper .swiper-slide {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}
.hero-content h1,
.hero-content .hero-title {
  font-size: 3rem;
  font-weight: 200;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.hero-content h1 strong,
.hero-content .hero-title strong {
  font-weight: 600;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(15, 20, 25, 0.25) 0%, rgba(15, 20, 25, 0.05) 40%, rgba(15, 20, 25, 0.6) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  max-width: 750px;
  padding: 0 30px;
}

.hero-content .hero-tag {
  display: inline-block;
  padding: 0.3rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 30px;
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.06);
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 200;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero-content h1 strong {
  font-weight: 600;
}

.hero-content p {
  font-size: 1rem;
  font-weight: 300;
  opacity: 0.9;
  margin-bottom: 1.8rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.15);
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-hero-primary {
  background: white;
  color: var(--accent);
  padding: 0.75rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  transition: all 0.4s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-hero-primary:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.btn-hero-outline {
  background: transparent;
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  transition: all 0.4s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-hero-outline:hover {
  background: white;
  color: var(--accent);
  border-color: white;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.hero-swiper .swiper-button-next,
.hero-swiper .swiper-button-prev {
  color: white;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  backdrop-filter: blur(10px);
  transition: 0.3s;
}

.hero-swiper .swiper-button-next:hover,
.hero-swiper .swiper-button-prev:hover {
  background: rgba(255, 255, 255, 0.2);
}

.hero-swiper .swiper-button-next::after,
.hero-swiper .swiper-button-prev::after {
  font-size: 0.9rem;
  font-weight: bold;
}

.hero-swiper .swiper-pagination-bullet {
  background: white;
  opacity: 0.5;
  width: 24px;
  height: 3px;
  border-radius: 2px;
  transition: 0.3s;
}

.hero-swiper .swiper-pagination-bullet-active {
  opacity: 1;
  width: 40px;
  background: white;
}

@media (max-width: 1024px) {
  .hero-swiper {
    height: 420px;
  }
  .hero-content h1 {
    font-size: 2.4rem;
  }
}

@media (max-width: 768px) {
  .hero-swiper {
    height: 380px;
  }
  .hero-content h1 {
    font-size: 1.8rem;
  }
  .hero-content p {
    font-size: 0.85rem;
  }
  .hero-swiper .swiper-button-next,
  .hero-swiper .swiper-button-prev {
    display: none;
  }
}

/* ========== 业务介绍 ========== */
.business-intro-section {
  background: linear-gradient(180deg, var(--white) 0%, var(--primary-light) 100%);
  position: relative;
  overflow: hidden;
}

.business-intro-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(59, 89, 152, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.business-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.business-intro-text .section-tag {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary);
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-size: 0.65rem;
  letter-spacing: 2px;
  border: 1px solid rgba(59, 89, 152, 0.12);
  margin-bottom: 1.5rem;
}

.business-intro-text h2 {
  font-size: 2.4rem;
  font-weight: 300;
  letter-spacing: -0.5px;
  line-height: 1.25;
  margin-bottom: 1.2rem;
  color: #0a0d14;
}

.business-intro-text h2 strong {
  font-weight: 700;
  color: var(--primary);
}

.business-intro-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.business-features {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem 1.5rem;
  margin-bottom: 2rem;
}

.business-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: #4a5568;
  font-weight: 500;
}

.business-features li i {
  color: var(--primary);
  font-size: 0.85rem;
  background: var(--primary-soft);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.business-intro-visual {
  position: relative;
}

.business-visual-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.08);
}

.business-visual-header {
  background: #1e293b;
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.business-visual-dots {
  display: flex;
  gap: 6px;
}

.business-visual-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.business-visual-dots span:nth-child(1) {
  background: #ef4444;
}
.business-visual-dots span:nth-child(2) {
  background: #f59e0b;
}
.business-visual-dots span:nth-child(3) {
  background: #22c55e;
}

.business-visual-body {
  padding: 1.5rem;
  background: #fafbfc;
}

.business-mock-line {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.business-mock-line .mock-block {
  height: 10px;
  border-radius: 3px;
  background: #e1e5eb;
}

.business-mock-line .mock-block.w30 {
  width: 30%;
}
.business-mock-line .mock-block.w50 {
  width: 50%;
}
.business-mock-line .mock-block.w70 {
  width: 70%;
}
.business-mock-line .mock-block.w100 {
  width: 100%;
}
.business-mock-line .mock-block.accent {
  background: var(--primary);
  opacity: 0.5;
  width: 18%;
}

.website-preview-grid {
  margin: 1rem 0;
}

.website-preview-item {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16/9;
  background-size: cover;
  background-position: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.website-preview-item:hover {
  border-color: var(--primary);
  transform: scale(1.02);
  box-shadow: 0 8px 25px rgba(59, 89, 152, 0.12);
}

.website-preview-item .preview-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  color: white;
  padding: 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.preview-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--primary);
  color: white;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.business-stats-row {
  display: flex;
  gap: 2rem;
  margin-top: 1.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}

.business-stat-item h4 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.business-stat-item span {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 1024px) {
  .business-intro-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .business-intro-text h2 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .business-features {
    grid-template-columns: 1fr;
  }
  .business-stats-row {
    gap: 1.5rem;
  }
  .business-stat-item h4 {
    font-size: 1.5rem;
  }
}

/* ========== 优势网格 ========== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.adv-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  border: 1px solid var(--border);
  transition: var(--transition);
  border-radius: 6px;
}

.adv-card i {
  font-size: 2rem;
  margin-bottom: 1.2rem;
  color: var(--primary);
}

.adv-card h3 {
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #1a1d23;
}

.adv-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

@media (max-width: 768px) {
  .advantages-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 服务网格 ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.service-card {
  background: var(--white);
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: var(--transition);
}

.service-card i {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-weight: 500;
  font-size: 1rem;
  color: #1a1d23;
}

.service-card:hover {
  background: var(--primary-light);
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ========== 案例网格 ========== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.case-item {
  height: 320px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: 6px;
}

.case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 20, 25, 0.6), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: white;
  transition: 0.3s;
}

.case-item h4 {
  font-weight: 400;
  font-size: 1.4rem;
}

.case-item:hover .case-overlay {
  background: linear-gradient(to top, rgba(59, 89, 152, 0.75), transparent);
}

@media (max-width: 768px) {
  .cases-grid {
    grid-template-columns: 1fr;
  }
  .case-item {
    height: 250px;
  }
}

/* ========== 关于我们行 ========== */
.about-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  height: 380px;
  background-size: cover;
  background-position: center;
  border-radius: 6px;
}

@media (max-width: 768px) {
  .about-row {
    grid-template-columns: 1fr;
  }
  .about-image {
    height: 260px;
  }
}

/* ========== 新闻行 ========== */
.news-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.news-featured {
  height: 340px;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: flex-end;
  color: white;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.3s;
}
/* 新闻列表 */
.news-list {
  list-style: none;
}
.news-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
.news-list .news-title {
  flex: 1;
  text-decoration: none;
  color: #4a5568;
  font-size: 0.9rem;
  line-height: 1.5;
  transition: 0.2s;
}
.news-list .news-title:hover {
  color: var(--primary);
  padding-left: 5px;
}
.news-list .news-date {
  color: var(--text-secondary);
  font-size: 0.85rem;
  white-space: nowrap;
  flex-shrink: 0;
}
.news-featured:hover {
  transform: scale(1.02);
}

.news-featured h3 {
  font-weight: 400;
  font-size: 1.4rem;
}

.news-list {
  list-style: none;
}

.news-list li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  transition: 0.2s;
  cursor: pointer;
  color: #4a5568;
}

.news-list li:hover {
  color: var(--primary);
  padding-left: 5px;
}

.news-list li span:last-child {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .news-row {
    grid-template-columns: 1fr;
  }
  .news-featured {
    height: 230px;
  }
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 0;
  cursor: pointer;
  transition: 0.2s;
}

.faq-item:hover {
  color: var(--primary);
}

.faq-question {
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  color: #1a1d23;
}

.faq-answer {
  margin-top: 0.8rem;
  color: var(--text-secondary);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-question {
  color: var(--primary);
}

/* ========== 友情链接 ========== */
.links-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 3rem;
  justify-content: center;
}

.links-wrapper a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: 0.3s;
}

.links-wrapper a:hover {
  color: var(--primary);
}

/* ========== 关于我们 - 页面独有 ========== */
.about-intro-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-intro-image {
  height: 420px;
  background-size: cover;
  background-position: center;
  border-radius: 6px;
  position: relative;
}

.about-intro-image .experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--primary);
  color: white;
  padding: 1.5rem 2rem;
  border-radius: 6px;
  text-align: center;
  box-shadow: 0 15px 30px rgba(59, 89, 152, 0.3);
}

.experience-badge .years {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.experience-badge .label {
  font-size: 0.7rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.8;
}

.about-intro-text .section-tag {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary);
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-size: 0.65rem;
  letter-spacing: 2px;
  border: 1px solid rgba(59, 89, 152, 0.12);
  margin-bottom: 1.5rem;
}

.about-intro-text h2 {
  font-size: 2.4rem;
  font-weight: 300;
  letter-spacing: -0.5px;
  line-height: 1.25;
  margin-bottom: 1.2rem;
}

.about-intro-text h2 strong {
  font-weight: 700;
  color: var(--primary);
}

.about-intro-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

@media (max-width: 1024px) {
  .about-intro-row {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-intro-image {
    height: 320px;
  }
}

/* ========== 时间线 ========== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 30px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--primary);
}

.timeline-item .year {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 0.3rem;
}

.timeline-item h3 {
  font-weight: 500;
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.timeline-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .timeline {
    padding-left: 20px;
  }
}

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

.team-card {
  text-align: center;
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  margin: 0 auto 1rem;
  border: 3px solid var(--border);
}

.team-card h4 {
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.team-card span {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

@media (max-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .team-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ========== 文章/案例详情 - 布局 ========== */
.article-detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
}

.case-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .article-detail-layout,
  .case-detail-layout {
    grid-template-columns: 1fr;
  }
}

/* ========== 文章主体 ========== */
.article-main {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.article-header .article-category {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary);
  padding: 0.25rem 0.9rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.article-header h1 {
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.35;
  color: #0a0d14;
  margin-bottom: 1rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  align-items: center;
}

.article-meta i {
  margin-right: 5px;
  color: var(--primary);
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .article-main {
    padding: 1.5rem;
  }
  .article-header h1 {
    font-size: 1.5rem;
  }
}

/* ========== 文章正文 ========== */
.article-content {
  font-size: 0.95rem;
  line-height: 1.9;
  color: #374151;
}

.article-content h2 {
  font-size: 1.4rem;
  font-weight: 500;
  color: #1a1d23;
  margin: 2rem 0 1rem;
  padding-left: 12px;
  border-left: 3px solid var(--primary);
}

.article-content h3 {
  font-size: 1.15rem;
  font-weight: 500;
  color: #1a1d23;
  margin: 1.5rem 0 0.8rem;
}

.article-content p {
  margin-bottom: 1.2rem;
}

.article-content blockquote {
  border-left: 3px solid var(--primary);
  background: var(--light-gray);
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 6px 6px 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-content ul,
.article-content ol {
  margin-bottom: 1.2rem;
  padding-left: 1.5rem;
}

.article-content ul li,
.article-content ol li {
  margin-bottom: 0.5rem;
}

/* ========== 作者简介 ========== */
.author-bio {
  margin-top: 2.5rem;
  padding: 1.8rem;
  background: var(--light-gray);
  border-radius: 8px;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  border: 1px solid var(--border);
}

.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
  border: 3px solid var(--white);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.author-info {
  flex: 1;
}

.author-info h4 {
  font-size: 1.05rem;
  font-weight: 500;
  color: #1a1d23;
  margin-bottom: 0.3rem;
}

.author-info .author-role {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.author-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.author-social {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.8rem;
}

.author-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--white);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

.author-social a:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

@media (max-width: 768px) {
  .author-bio {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }
  .author-avatar {
    margin: 0 auto;
  }
  .author-social {
    justify-content: center;
  }
}
/* ========== 文章标签 ========== */
.article-tags-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.article-tags-section span {
  font-weight: 500;
  color: #1a1d23;
  font-size: 0.85rem;
}

.article-tag {
  padding: 0.3rem 0.9rem;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.article-tag:hover {
  background: var(--primary);
  color: white;
}

/* ========== 文章导航（上一篇/下一篇） ========== */
.article-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
}

.article-nav-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  max-width: 45%;
}

.article-nav-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.article-nav-item a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.3s;
  line-height: 1.4;
}

.article-nav-item a:hover {
  color: var(--primary);
}

.article-nav-item.next {
  text-align: right;
}

/* ========== 侧边栏 ========== */
.sidebar-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.8rem;
  margin-bottom: 1.5rem;
}

.sidebar-card h4 {
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-card h4 i {
  color: var(--primary);
}

.related-list {
  list-style: none;
}

.related-list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid #f5f5f5;
}

.related-list li:last-child {
  border-bottom: none;
}

.related-list a {
  text-decoration: none;
  color: #4a5568;
  font-size: 0.85rem;
  transition: color 0.2s;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.4;
}

.related-list a:hover {
  color: var(--primary);
}

.related-list a i {
  color: var(--primary);
  font-size: 0.6rem;
  margin-top: 5px;
  flex-shrink: 0;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-cloud a {
  padding: 0.35rem 0.9rem;
  background: var(--light-gray);
  color: var(--text-secondary);
  border-radius: 20px;
  font-size: 0.75rem;
  text-decoration: none;
  transition: 0.2s;
}

.tag-cloud a:hover {
  background: var(--primary);
  color: white;
}

/* ========== 案例详情 - 轮播 ========== */
.case-gallery-swiper {
  width: 100%;
  height: 450px;
  background: #e8eaef;
}

.case-gallery-swiper .swiper-slide {
  background-size: cover;
  background-position: center;
}

.case-gallery-swiper .swiper-pagination-bullet {
  background: white;
  opacity: 0.7;
  width: 20px;
  height: 3px;
  border-radius: 2px;
}

.case-gallery-swiper .swiper-pagination-bullet-active {
  opacity: 1;
  width: 35px;
  background: var(--primary);
}

.case-gallery-swiper .swiper-button-next,
.case-gallery-swiper .swiper-button-prev {
  color: white;
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
}

.case-gallery-swiper .swiper-button-next::after,
.case-gallery-swiper .swiper-button-prev::after {
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .case-gallery-swiper {
    height: 260px;
  }
}

/* ========== 案例信息区 ========== */
.case-main {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.case-info-section {
  padding: 2.5rem;
}

.case-info-section .case-category {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary);
  padding: 0.25rem 0.9rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.case-info-section h1 {
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.35;
  color: #0a0d14;
  margin-bottom: 1rem;
}

.case-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.case-meta-row i {
  margin-right: 5px;
  color: var(--primary);
  font-size: 0.8rem;
}

.case-content h2 {
  font-size: 1.3rem;
  font-weight: 500;
  color: #1a1d23;
  margin: 1.8rem 0 1rem;
  padding-left: 12px;
  border-left: 3px solid var(--primary);
}

.case-content p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #374151;
  margin-bottom: 1rem;
}

.case-content ul {
  margin-bottom: 1.2rem;
  padding-left: 1.5rem;
}

.case-content ul li {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: #374151;
}

/* ========== 技术栈 ========== */
.tech-stack {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.tech-stack h3 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: #1a1d23;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tech-tag {
  padding: 0.4rem 1rem;
  background: var(--light-gray);
  color: var(--text-secondary);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}

.tech-tag:hover {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: var(--primary);
}

/* ========== 案例导航 ========== */
.case-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
}

.case-nav-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  max-width: 45%;
}

.case-nav-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.case-nav-item a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.3s;
  line-height: 1.4;
}

.case-nav-item a:hover {
  color: var(--primary);
}

.case-nav-item.next {
  text-align: right;
}

/* ========== 项目信息列表 ========== */
.project-info-list {
  list-style: none;
}

.project-info-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.7rem 0;
  border-bottom: 1px solid #f5f5f5;
  font-size: 0.85rem;
}

.project-info-list li:last-child {
  border-bottom: none;
}

.project-info-list .info-label {
  color: var(--text-secondary);
  font-weight: 400;
}

.project-info-list .info-value {
  color: #1a1d23;
  font-weight: 500;
  text-align: right;
  max-width: 55%;
}

/* ========== CTA卡片 ========== */
.cta-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: white;
  text-align: center;
}

.cta-card h4 {
  color: white;
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.cta-card p {
  font-size: 0.85rem;
  opacity: 0.9;
  margin-bottom: 1.2rem;
}

.cta-card .btn-white {
  display: inline-block;
  padding: 0.6rem 1.8rem;
  background: white;
  color: var(--primary);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

.cta-card .btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* ========== 文章列表页 ========== */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .content-with-sidebar {
    grid-template-columns: 1fr;
  }
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.article-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
  border-color: #cdd3dc;
}

.article-thumb {
  background-size: cover;
  background-position: center;
  min-height: 200px;
  position: relative;
  overflow: hidden;
}

.article-thumb .article-category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.8rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.article-body {
  padding: 1.8rem 1.8rem 1.8rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.article-card .article-meta {
  margin-bottom: 0.8rem;
}

.article-card h3 {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  line-height: 1.4;
  color: #1a1d23;
}

.article-card h3 a {
  color: #1a1d23;
  text-decoration: none;
  transition: color 0.3s;
}

.article-card h3 a:hover {
  color: var(--primary);
}

.article-excerpt {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .article-card {
    grid-template-columns: 1fr;
  }
  .article-thumb {
    min-height: 180px;
  }
  .article-body {
    padding: 1.2rem;
  }
  .article-card h3 {
    font-size: 1.1rem;
  }
}

/* ========== 分类标签 ========== */
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.category-tab {
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 30px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  background: var(--white);
  text-decoration: none;
  font-weight: 400;
}

.category-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.category-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

@media (max-width: 768px) {
  .category-tabs {
    gap: 0.5rem;
  }
  .category-tab {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
}

/* ========== 分页 ========== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: 0.2s;
  background: var(--white);
}

.pagination a:hover {
  border-color: var(--primary);
  color: var(--primary);
}

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

.pagination .disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ========== 热门文章列表 ========== */
.hot-list {
  list-style: none;
}

.hot-list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid #f5f5f5;
  font-size: 0.85rem;
  color: #4a5568;
  cursor: pointer;
  transition: 0.2s;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.hot-list li:hover {
  color: var(--primary);
}

.hot-list li .hot-rank {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.9rem;
  min-width: 20px;
}

.hot-list li:last-child {
  border-bottom: none;
}

/* ========== 案例列表页 ========== */
.case-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
  border-color: #cdd3dc;
}

.case-thumb {
  height: 240px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.case-thumb .case-category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.8rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.case-thumb .case-overlay-hover {
  position: absolute;
  inset: 0;
  background: rgba(59, 89, 152, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.case-card:hover .case-overlay-hover {
  opacity: 1;
}

.case-overlay-hover .view-btn {
  color: white;
  text-decoration: none;
  padding: 0.7rem 1.8rem;
  border: 2px solid white;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.case-overlay-hover .view-btn:hover {
  background: white;
  color: var(--primary);
}

.case-body {
  padding: 1.5rem;
}

.case-body h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #1a1d23;
}

.case-body h3 a {
  color: #1a1d23;
  text-decoration: none;
  transition: color 0.3s;
}

.case-body h3 a:hover {
  color: var(--primary);
}

.case-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
}

.case-meta i {
  margin-right: 4px;
  color: var(--primary);
  font-size: 0.7rem;
}

.case-excerpt {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1rem;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.case-tag {
  padding: 0.2rem 0.6rem;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.case-tag:hover {
  background: var(--primary);
  color: white;
}

@media (max-width: 1024px) {
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .cases-grid {
    grid-template-columns: 1fr;
  }
  .case-thumb {
    height: 200px;
  }
}

/* ========== 联系信息卡片 ========== */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 3rem;
}

.contact-info-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: var(--transition);
  cursor: default;
}

.contact-info-card .icon-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.2rem;
}

.contact-info-card .icon-circle i {
  font-size: 1.6rem;
  color: var(--primary);
}

.contact-info-card h4 {
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: #1a1d23;
}

.contact-info-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.contact-info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--primary);
}

@media (max-width: 768px) {
  .contact-info-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 联系表单 ========== */
.contact-main-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .contact-main-row {
    grid-template-columns: 1fr;
  }
}

.contact-form-wrapper {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.contact-form-wrapper h3 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.contact-form-wrapper .form-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.3rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.4rem;
  letter-spacing: 0.3px;
}

.form-group label .required {
  color: var(--error);
  margin-left: 2px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text);
  background: #fafbfc;
  transition: all 0.3s ease;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 89, 152, 0.08);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  .contact-form-wrapper {
    padding: 1.5rem;
  }
}

/* ========== 表单成功消息 ========== */
.form-success-message {
  display: none;
  text-align: center;
  padding: 3rem 1rem;
}

.form-success-message .success-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #d1fae5;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.form-success-message .success-icon i {
  font-size: 2rem;
  color: var(--success);
  animation: checkmark 0.5s ease forwards;
}

.form-success-message h3 {
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-success-message p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ========== 联系侧边栏 ========== */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.qr-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.qr-card h4 {
  font-weight: 500;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.qr-card .qr-img {
  width: 150px;
  height: 150px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
  margin-bottom: 0.8rem;
}

.qr-card .qr-tip {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.work-time-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.work-time-card h4 {
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.work-time-card h4 i {
  color: var(--primary);
}

.work-time-card .time-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.work-time-card .time-row:last-child {
  border-bottom: none;
}

.work-time-card .time-row span:last-child {
  font-weight: 500;
  color: #374151;
}

/* ========== 地图占位 ========== */
.map-placeholder {
  width: 100%;
  height: 350px;
  background: #e8eaef;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  border: 1px solid var(--border);
  margin-top: 3rem;
}

.map-placeholder i {
  margin-right: 8px;
  font-size: 1.2rem;
}

@media (max-width: 768px) {
  .map-placeholder {
    height: 250px;
  }
}

/* ========== 服务介绍卡片（web.html） ========== */
.service-intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-intro-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: center;
  transition: var(--transition);
}

.service-intro-card .icon-circle {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.service-intro-card .icon-circle i {
  font-size: 1.8rem;
  color: var(--primary);
}

.service-intro-card h3 {
  font-weight: 500;
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}

.service-intro-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.service-intro-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--primary);
}

@media (max-width: 1024px) {
  .service-intro-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .service-intro-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 为什么选择我们 ========== */
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-us-card {
  background: var(--white);
  padding: 2rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: center;
  transition: var(--transition);
}

.why-us-card i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.why-us-card h4 {
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.why-us-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

.why-us-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--primary);
}

@media (max-width: 1024px) {
  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .why-us-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 官网升级 ========== */
.upgrade-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.upgrade-image {
  height: 400px;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
}

.upgrade-list {
  list-style: none;
  margin-top: 1.5rem;
}

.upgrade-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.upgrade-list li:last-child {
  border-bottom: none;
}

.upgrade-list .upgrade-icon {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.upgrade-list .upgrade-icon i {
  color: var(--primary);
  font-size: 1.1rem;
}

.upgrade-list h4 {
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}

.upgrade-list p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .upgrade-row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .upgrade-image {
    height: 300px;
  }
}

/* ========== 建站流程 ========== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step .step-number {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 auto 1rem;
  position: relative;
  z-index: 2;
}

.process-step h4 {
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.process-step p {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.5;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 25px;
  left: 60%;
  width: 80%;
  height: 2px;
  background: var(--border);
  z-index: 1;
}

.process-step:last-child::after {
  display: none;
}

@media (max-width: 1024px) {
  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }
  .process-step:nth-child(3)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .process-steps {
    grid-template-columns: 1fr;
  }
  .process-step::after {
    display: none;
  }
}

/* ========== 服务套餐 ========== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 12px 40px rgba(59, 89, 152, 0.12);
  transform: scale(1.03);
}

.pricing-card.featured .popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 0.3rem 1.2rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.pricing-card h3 {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.pricing-card .price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.3rem;
}

.pricing-card .price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.pricing-card .price-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.5rem 0;
  font-size: 0.85rem;
  color: #4a5568;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-features li i {
  color: var(--primary);
  font-size: 0.75rem;
}

.pricing-features li.disabled {
  color: #b0b8c4;
}

.pricing-features li.disabled i {
  color: #b0b8c4;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.pricing-card.featured:hover {
  transform: scale(1.05);
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.featured {
    transform: scale(1);
  }
  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== CTA区域 ========== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  padding: 4rem 0;
  text-align: center;
  color: white;
  border-radius: 8px;
  margin-top: 2rem;
}

.cta-section h3 {
  font-size: 2rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 0.95rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

/* ========== 底部 ========== */
.footer-desktop {
  background: #1a1d23;
  color: #b0b8c4;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.footer-col h4 {
  color: #e2e6ec;
  font-weight: 500;
  margin-bottom: 1.2rem;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.footer-col ul li {
  margin-bottom: 0.7rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #b0b8c4;
}

.footer-col ul li i {
  color: var(--primary);
  font-size: 0.7rem;
}

.wechat-qr-img {
  width: 110px;
  height: 110px;
  border-radius: 4px;
  margin-top: 0.3rem;
  border: 2px solid #2a2d35;
  object-fit: cover;
}

.footer-bottom {
  margin-top: 3rem;
  text-align: center;
  font-size: 0.7rem;
  color: #6b7280;
  border-top: 1px solid #2a2d35;
  padding-top: 2rem;
}

@media (max-width: 768px) {
  .footer-desktop {
    display: none;
  }
}

/* ========== 移动端底部导航 ========== */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  justify-content: space-around;
  padding: 0.5rem 0 0.8rem;
  z-index: 997;
}

.mobile-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: #6b7280;
  font-size: 0.6rem;
}

.mobile-nav i {
  font-size: 1.2rem;
  color: #4a5568;
  margin-bottom: 2px;
}

.mobile-nav a.active {
  color: var(--primary);
}

.mobile-nav a.active i {
  color: var(--primary);
}

@media (max-width: 768px) {
  .mobile-nav {
    display: flex;
  }
  body {
    padding-bottom: 75px;
  }
}

/* ========== 模态框 ========== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-card {
  background: white;
  padding: 2rem;
  text-align: center;
  max-width: 300px;
  width: 90%;
  border-radius: 8px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.modal-card .btn-dark {
  background: var(--primary);
  border-color: var(--primary);
  margin-top: 1rem;
}

.modal-card .btn-dark:hover {
  background: var(--primary-hover);
  color: white;
  border-color: var(--primary-hover);
}
    /* ========== 侧边栏客服悬浮 ========== */
    .sidebar-service {
      position: fixed;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .service-item {
      position: relative;
      width: 50px;
      height: 50px;
      background: var(--primary);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.3s ease;
      text-decoration: none;
      border-radius: 4px;
      overflow: visible;
    }

    .service-item i {
      font-size: 1.3rem;
      transition: all 0.3s ease;
    }

    .service-item .service-text {
      position: absolute;
      right: 60px;
      top: 50%;
      transform: translateY(-50%);
      background: #1a1d23;
      color: white;
      padding: 0.5rem 1rem;
      border-radius: 4px;
      font-size: 0.8rem;
      white-space: nowrap;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
      pointer-events: none;
    }

    .service-item .service-text::after {
      content: '';
      position: absolute;
      right: -6px;
      top: 50%;
      transform: translateY(-50%);
      width: 0;
      height: 0;
      border-top: 6px solid transparent;
      border-bottom: 6px solid transparent;
      border-left: 6px solid #1a1d23;
    }

    .service-item:hover .service-text {
      opacity: 1;
      visibility: visible;
      right: 65px;
    }

    .service-item:hover {
      width: 55px;
      height: 55px;
      border-radius: 50%;
      transform: scale(1.05);
    }

    /* QQ */
    .service-item.qq {
      background: #12b7f5;;
    }
    .service-item.qq:hover {
      background: #0ea5d9;
      box-shadow: 0 6px 20px rgba(18, 183, 245, 0.4);
    }

    /* 电话 */
    .service-item.phone {
      background: #d97706;
    }
    .service-item.phone:hover {
      background: #d97706;
      box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
    }
    .service-item.phone .service-text {
      font-weight: 600;
      font-size: 0.9rem;
      letter-spacing: 0.5px;
    }

    /* 微信 */
    .service-item.wechat {
      background: #05a34e;
    }
    .service-item.wechat:hover {
      background: #05a34e;
      box-shadow: 0 6px 20px rgba(7, 193, 96, 0.4);
    }

    /* 微信二维码弹窗 */
    .wechat-popup {
      position: absolute;
      right: 65px;
      top: 50%;
      transform: translateY(-50%);
      background: white;
      border-radius: 8px;
      padding: 1rem;
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
      pointer-events: none;
      text-align: center;
      min-width: 160px;
      border: 1px solid #e5e7eb;
    }

    .service-item.wechat:hover .wechat-popup {
      opacity: 1;
      visibility: visible;
    }

    .wechat-popup img {
      width: 120px;
      height: 120px;
      object-fit: cover;
      border-radius: 4px;
      margin-bottom: 0.5rem;
    }

    .wechat-popup p {
      font-size: 0.75rem;
      color: #5a6375;
      margin: 0;
    }

    .wechat-popup::after {
      content: '';
      position: absolute;
      right: -6px;
      top: 50%;
      transform: translateY(-50%);
      width: 0;
      height: 0;
      border-top: 6px solid transparent;
      border-bottom: 6px solid transparent;
      border-left: 6px solid white;
    }

    /* 返回顶部 */
    .service-item.back-top {
      background: #6b7280;
    }
    .service-item.back-top:hover {
      background: #4b5563;
      box-shadow: 0 6px 20px rgba(107, 114, 128, 0.4);
    }

    /* 移动端适配 */
    @media (max-width: 768px) {
      .sidebar-service {
        right: 10px;
        gap: 1px;
      }
      .service-item {
        width: 42px;
        height: 42px;
      }
      .service-item i {
        font-size: 1.1rem;
      }
      .service-item:hover {
        width: 46px;
        height: 46px;
      }
      .wechat-popup {
        right: 50px;
        min-width: 140px;
      }
      .wechat-popup img {
        width: 100px;
        height: 100px;
      }
    }

    /* 脉动动画 */
    @keyframes servicePulse {
      0%, 100% { box-shadow: 0 0 0 0 rgba(59, 89, 152, 0.4); }
      50% { box-shadow: 0 0 0 10px rgba(59, 89, 152, 0); }
    }
    .service-item.pulse {
      animation: servicePulse 2s ease-in-out infinite;
    }

    /* 隐藏状态 */
    .service-item.hidden {
      opacity: 0;
      visibility: hidden;
      transform: translateX(20px);
      pointer-events: none;
      height: 0;
      width: 0;
      margin: 0;
      padding: 0;
      overflow: hidden;
    }
	.hot-list li a:hover {
    color: var(--primary);
}
.hot-list li a{
    font-size: 0.85rem;
	text-decoration: none;
	color: #4a5568;
}
a.page-num.page-num-current {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.footer-bottom a {
    text-decoration-line: none;
    color: #6b7274;
}
/* 新闻特色文章 */
.news-featured {
  height: 340px;
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  transition: 0.3s;
}
.news-featured:hover {
  transform: scale(1.02);
}
.news-featured-link {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  text-decoration: none;
}
.news-featured-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.news-featured h3 {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  color: white;
  font-weight: 400;
  font-size: 1.4rem;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  margin: 0;
  z-index: 1;
}

/* 新闻列表 */
.news-list {
  list-style: none;
}
.news-list li {
  padding: 0;
  border-bottom: 1px solid var(--border);
}
.news-list li a {
  display: flex;
  justify-content: space-between;
  padding: 0.9rem 0;
  text-decoration: none;
  color: #4a5568;
  transition: 0.2s;
}
.news-list li a:hover {
  color: var(--primary);
  padding-left: 5px;
}
.news-list li span:last-child {
  color: var(--text-secondary);
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-left: 1rem;
}
/* 关于我们 */
.about-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-image {
  border-radius: 6px;
  overflow: hidden;
}
.about-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  border-radius: 6px;
}
@media (max-width: 768px) {
  .about-row {
    grid-template-columns: 1fr;
  }
  .about-img {
    height: 260px;
  }
}
.footer-col li a {
    text-decoration-line: none;
    color: #b0b8c4;
}
.sticky-wx {
  position: sticky;
  top: 20px;
}