@font-face {
  font-family: "Advent Pro";
  src: url("AdventPro-Bold.woff2") format("woff"),
    url("AdventPro-Bold.ttf") format("truetype");
}

:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --bg-light: #f8fafc;
  --bg-dark: #0a0a0a;
  --accent-color: #667eea;
  --accent-secondary: #764ba2;
  --accent-tertiary: #f093fb;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  width: 100%;
  max-width: 100%;
  margin: 0;
  font-family: 'Almarai', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background-color: var(--bg-light);
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

.header {
  padding: 0.8rem 3rem;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header.scrolled {
  padding: 0.6rem 3rem;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
  height: 70px;
}

.header,
.body {
  padding: 30px 60px;
}
.bg-body-tertiary {
  background: transparent !important;
  color: #fff;
}
.bg-body-tertiary .nav-link {
}
.bg-body-tertiary .nav-link.active {
  color: rgb(35 68 90);
}
.nav-item {
  position: relative;
  margin: 0 0.5rem;
}

.nav-link {
  color: var(--text-primary) !important;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: var(--transition);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.8;
}

.nav-link:hover,
.nav-link.active {
  opacity: 1;
  color: var(--accent-color) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.footer {
  padding: 60px;
  margin: 60px auto 0;
  font-size: 14px;
  background: #2c3e50;
  color: #ffffff;
  border-top: none;
}
.body,
.btn {
  font-size: 20px;
}

.logo {
  display: flex;
  align-items: center;
  margin-right: 3rem;
}

.logo-img {
  height: 40px;
  width: auto;
  transition: var(--transition);
}

.header.scrolled .logo-img {
  height: 35px;
}

.logo img {
  width: 200px;
  height: 40px;
}

.btn {
  padding: 1.2rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  z-index: 1;
  border: none;
  box-shadow: var(--shadow-md);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(255,255,255,0.1), rgba(255,255,255,0.2));
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  z-index: -1;
}

.btn:hover::before {
  transform: translateX(0);
}

.btn-primary-1 {
  background: var(--primary-gradient);
  color: white;
}

.btn-primary-1:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-light {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.8);
  color: white;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

.sec-left {
  font-family: math;
}
.sec-desc {
  font-weight: 300;
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 30px;
  color: #333;
}

.desc {
  color: rgba(158, 166, 168, 1);
}

h1 {
  font-size: 48px;
  font-weight: 700;
  margin: 40px 0;
  line-height: 1.2;
  color: #2c3e50;
}

.important {
  color: rgba(53, 173, 177, 1);
}
.content {
  padding: 30px;
}

.part-1 {
  padding-top: 90px;
}

.link {
  font-size: 16px;
}

.about-company {
  border-radius: 200px;
  background: #edf7ff;
  padding: 30px;
  color: #222;
  font-size: 22px;
  font-weight: 400;
  line-height: 40px;
  margin-top: -60px;
  position: relative;
}

.about-company-left {
  background: #fff;
  border-bottom-left-radius: 200px;
  border-top-left-radius: 200px;
  border-right: 3px solid #c4d4ff;
  padding: 60px;
  color: #0048ff;
  font-size: 40px;
  margin-right: 60px;
  flex-wrap: 700;
  font-family: math;
}

.title {
  font-size: 42px;
  text-align: center;
  margin: 80px auto 50px;
  font-weight: 700;
  color: #2c3e50;
  position: relative;
}

.title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
          background-color: #667eea;
  border-radius: 3px;
}

.service {
  display: flex;
  flex-direction: row;
}
.service-block {
  margin: 0 15px;
  padding: 30px;
  flex: 1;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.service-block:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.service-block .title {
  font-size: 22px;
  margin: 20px auto;
  text-align: left;
  color: #2c3e50;
}

.service-block .desc {
  font-size: 16px;
  line-height: 1.6;
  color: #666;
}

.sec {
  margin: 60px auto;
  color: #555;
  font-size: 24px;
  color: rgba(158, 166, 168, 1);
  font-weight: 400;
}

.sec-title {
  color: rgba(0, 0, 0, 1);
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 30px;
  text-decoration-line: underline;
}

.sec-block {
  flex-direction: row;
  display: flex;
  border-radius: 8px;
  background: #fff;
  font-weight: 400;
  overflow: hidden;
}
.sec-block .sec-left {
}

sec-block-left {
}

.sec-2 {
  background: #edf7ff;
}

.sec-left-radius {
  border-bottom-left-radius: 200px;
  border-top-left-radius: 200px;
}
.sec-right-radius {
  border-bottom-right-radius: 200px;
  border-top-right-radius: 200px;
}

.sec-left {
  color: #002b9a;
  font-size: 30px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
}

.sec .btn {
  background: none;
  border-radius: 6px;
  background: linear-gradient(
    90deg,
    rgba(36, 165, 171, 1) 0%,
    rgba(61, 176, 179, 1) 100%
  );
  margin: 30px 0;
  color: #fff;
  font-size: 16px;
}

.sec-gray {
  background: #f9f9f9;
  padding: 100px;
}

.btn-submit,
.btn-submit:hover {
  border-radius: 5px;
  background: #0048ff;
  padding: 10px 100px;
  color: #fff;
}

.sec-form {
  background: #eff7ff;
  padding: 30px 300px;
  margin: 60px auto;
  position: relative;
}

.sec-form:before {
  content: "";
  position: absolute;
  left: 30px;
  top: 60px;
  background-image: url(../img/m6.png);
  background-size: cover;
  width: 200px;
  height: 200px;
}

::placeholder {
  color: #999 !important;
}

.sec-form:after {
  content: "";
  position: absolute;
  right: 30px;
  bottom: 60px;
  background-image: url(../img/m6.png);
  background-size: cover;
  width: 200px;
  height: 200px;
  transform: rotate(180deg);
}

.clients {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
  padding: 0 1rem;
}

.clients-item {
  background: #ffffff;
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
  min-height: 120px;
}

.clients-item-content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.clients-item-content img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 60px;
  object-fit: contain;
  transition: var(--transition);
}

.clients-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  border-color: rgba(102, 126, 234, 0.2);
}

.clients-item:hover img {
  transform: scale(1.05);
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .clients {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

@media (max-width: 768px) {
  .clients {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
  }
  
  .clients-item {
    padding: 1rem;
    min-height: 100px;
  }
  
  .clients-item-content img {
    max-height: 50px;
  }
}

.mb {
  margin-bottom: 15px;
}
.contact {
  font-size: 14px;
  line-height: 2;
  background: #ffd02f;
  padding: 20px;
}
.contact .title {
  margin: 10px;
}

.menu a {
  color: rgba(158, 166, 168, 1);
}

.menu a.mail {
  color: #333;
  text-decoration: none;
}
.menu .nav-link {
  margin-top: 10px;
}

.social a {
  margin-right: 10px;
}

.input-gp {
  display: flex;
  flex-direction: row;
}
.input-gp input {
  border: none;
  background: #eee;
  border-bottom-left-radius: 100px;
  border-top-left-radius: 100px;
  padding: 9px 20px;
  margin-right: -13px;
}
.input-gp .input-gp-btn {
  color: rgba(255, 255, 255, 1);
  text-align: center;
  border-radius: 100px;
  background: rgba(53, 173, 177, 1);
  text-decoration: none;
  padding: 9px 30px;
}

.footer a {
  color: #ffffff;
  opacity: 0.8;
  transition: all 0.3s ease;
}

.footer a:hover {
  opacity: 1;
          color: #667eea;
}

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

.animate-fadeInUp {
  animation: fadeInUp 0.8s ease-out forwards;
}

@media (max-width: 1200px) {
  body {
    width: 100%;
    padding: 0 20px;
  }
  
  .header {
    padding: 0.8rem 2rem;
  }
  
  h1 {
    font-size: 36px;
  }
  
  .title {
    font-size: 32px;
  }
  
  .banner h1 {
    font-size: 4rem;
  }
  
  .clients {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  .header {
    padding: 0.8rem 1rem;
    height: 70px;
  }
  
  .header.scrolled {
    height: 60px;
  }
  
  .logo-img {
    height: 35px;
  }
  
  .header.scrolled .logo-img {
    height: 30px;
  }
  
  .nav-item {
    margin: 0 0.3rem;
  }
  
  .nav-link {
    font-size: 0.95rem;
    padding: 0.5rem 0.8rem !important;
  }
  
  .header .btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .service {
    flex-direction: column;
  }
  
  .service-block {
    margin: 15px 0;
  }
  
  h1 {
    font-size: 28px;
  }
  
  .title {
    font-size: 24px;
  }
  
  .banner {
    padding-top: 100px;
  }
  
  .banner h1 {
    font-size: 2.5rem;
  }
  
  .feature-box {
    margin: 1rem 0;
  }
  
  .success-stories {
    grid-template-columns: 1fr;
  }
  
  .clients {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-light: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
  }
  
  .header {
    background: rgba(10, 10, 10, 0.8);
  }
  
  .feature-box {
    background: rgba(255, 255, 255, 0.05);
  }
  
  .nav-link {
    color: var(--text-primary) !important;
  }
}

.banner {
  padding-top: 120px;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  z-index: -1;
}

.banner .container {
  position: relative;
  z-index: 2;
}

.banner-images {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.banner-images .image-container {
  flex: 1;
  max-width: 45%;
  aspect-ratio: 16/9;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  background: #ffffff;
}

.banner-images .image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-images .image-container:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.banner-images .image-container:hover img {
  transform: scale(1.05);
}

.image-container {
  position: relative;
  width: 100%;
  height: auto;
  margin: 1rem;
  overflow: hidden;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.image-container img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: var(--transition);
}

.image-container:hover img {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(102, 126, 234, 0.2);
}

.redefining {
  padding: 100px 0;
  position: relative;
  background: var(--bg-light);
}

.features-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
  padding: 0 2rem;
}

.feature-box {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2.5rem;
  transition: var(--transition);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}

.feature-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
  opacity: 0;
  transition: var(--transition);
}

.feature-box:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.feature-box:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.8));
  border-radius: 20px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
  padding: 1.2rem;
  transition: var(--transition);
}

.feature-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: var(--transition);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.feature-box:hover .feature-icon {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  background: linear-gradient(135deg, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.9));
}

.feature-box:hover .feature-svg {
  transform: scale(1.1);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
}

.success-stories-section {
  padding: 100px 0;
  background: var(--bg-light);
  position: relative;
  overflow: hidden;
}

.success-stories-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.success-stories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 3rem 0;
  padding: 0 1rem;
}

.success-story {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/9;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  background: #ffffff;
}

.success-story::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, 
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.2) 50%,
    rgba(0, 0, 0, 0.8) 100%);
  z-index: 1;
  opacity: 0;
  transition: var(--transition);
}

.success-story img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.success-story .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.7);
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
}

.success-story .overlay img {
  width: 64px;
  height: 64px;
  margin-bottom: 1.5rem;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s;
}

.success-story .overlay h3 {
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.2s;
  text-align: center;
}

.success-story:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.success-story:hover::before {
  opacity: 1;
}

.success-story:hover img {
  transform: scale(1.1);
}

.success-story:hover .overlay {
  opacity: 1;
}

.success-story:hover .overlay img,
.success-story:hover .overlay h3 {
  transform: translateY(0);
}

/* 成功案例按钮样式 */
.success-stories-section .btn-primary-1 {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  background: var(--primary-gradient);
  color: #ffffff;
  border: none;
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.2);
  transition: var(--transition);
}

.success-stories-section .btn-primary-1:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(102, 126, 234, 0.3);
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .success-stories {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .success-stories {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .success-story {
    aspect-ratio: 16/10;
  }
  
  .success-story .overlay img {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
  }
  
  .success-story .overlay h3 {
    font-size: 1.25rem;
  }
}

/* 自定义光标样式 */
.cursor {
  width: 20px;
  height: 20px;
  background: var(--accent-color);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  mix-blend-mode: difference;
  z-index: 9999;
  transition: transform 0.2s ease;
  opacity: 0; /* 默认隐藏 */
  visibility: hidden; /* 默认隐藏 */
}

.cursor-follower {
  width: 40px;
  height: 40px;
  background: rgba(102, 126, 234, 0.1);
  border: 2px solid var(--accent-color);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  transition: transform 0.4s ease, width 0.3s ease, height 0.3s ease;
  opacity: 0; /* 默认隐藏 */
  visibility: hidden; /* 默认隐藏 */
}

/* 只在桌面端显示自定义光标 */
@media (min-width: 992px) {
  .cursor,
  .cursor-follower {
    opacity: 1;
    visibility: visible;
  }
}

.cursor.active,
.cursor-follower.active {
  transform: scale(1.5);
}

/* 确保光标不会影响其他元素的交互 */
[data-cursor="link"] {
  cursor: pointer;
}

/* 移动端隐藏自定义光标 */
@media (max-width: 991px) {
  .cursor,
  .cursor-follower {
    display: none !important;
  }
}

.partners-section {
  padding: 80px 0;
  background: var(--bg-light);
  position: relative;
}

/* 导航栏基础样式 */
.header {
  padding: 0.8rem 3rem;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header.scrolled {
  padding: 0.6rem 3rem;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
  height: 70px;
}

/* Logo样式 */
.logo {
  display: flex;
  align-items: center;
  margin-right: 3rem;
}

.logo-img {
  height: 40px;
  width: auto;
  transition: var(--transition);
}

.header.scrolled .logo-img {
  height: 35px;
}

/* 导航菜单样式 */
.navbar {
  padding: 0;
  margin: 0;
  flex: 1;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-item {
  position: relative;
  margin: 0 0.5rem;
}

.nav-link {
  color: var(--text-primary) !important;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: var(--transition);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.8;
}

.nav-link:hover,
.nav-link.active {
  opacity: 1;
  color: var(--accent-color) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* 下拉菜单样式 */
.dropdown-menu {
  margin-top: 0.5rem;
  padding: 0.5rem;
  border: none;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  display: block;
  visibility: hidden;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.dropdown-item {
  padding: 0.8rem 1.2rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  border-radius: 8px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dropdown-item:hover {
  background: rgba(0, 245, 160, 0.1);
  color: var(--accent-color);
  transform: translateX(5px);
}

.dropdown-item span {
  opacity: 0.5;
  transition: var(--transition);
}

.dropdown-item:hover span {
  opacity: 1;
  transform: translateX(5px);
}

/* 联系按钮样式 */
.header .btn {
  padding: 0.8rem 1.8rem;
  font-size: 0.95rem;
  margin-left: 1rem;
  white-space: nowrap;
}

/* 汉堡菜单样式 */
.navbar-toggler {
  border: none;
  padding: 0.5rem;
  margin-right: 1rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  width: 1.5rem;
  height: 1.5rem;
  background-image: none;
  position: relative;
  transition: var(--transition);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

.navbar-toggler-icon::before {
  top: 0;
}

.navbar-toggler-icon::after {
  bottom: 0;
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .header {
    padding: 0.8rem 2rem;
  }
  
  .nav-item {
    margin: 0 0.3rem;
  }
  
  .nav-link {
    font-size: 0.95rem;
    padding: 0.5rem 0.8rem !important;
  }
  
  .header .btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 991px) {
  .header {
    padding: 0.8rem 1.5rem;
  }
  
  .navbar-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem;
    border-radius: 0 0 20px 20px;
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  
  .navbar-collapse.show {
    max-height: 500px;
  }
  
  .navbar-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .nav-item {
    width: 100%;
    margin: 0;
  }
  
  .nav-link {
    padding: 0.8rem 1rem !important;
    width: 100%;
    display: block;
  }
  
  .dropdown-menu {
    position: static;
    background: transparent;
    box-shadow: none;
    padding: 0;
    margin: 0;
    opacity: 1;
    transform: none;
    visibility: visible;
    display: none;
  }
  
  .dropdown-menu.show {
    display: block;
  }
  
  .dropdown-item {
    padding: 0.8rem 2rem;
  }
  
  .header .btn {
    margin: 1rem 0 0;
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .header {
    height: 70px;
    padding: 0.8rem 1rem;
  }
  
  .header.scrolled {
    height: 60px;
  }
  
  .logo-img {
    height: 35px;
  }
  
  .header.scrolled .logo-img {
    height: 30px;
  }
  
  .navbar-toggler {
    padding: 0.4rem;
  }
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .banner-images {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .banner-images .image-container {
    max-width: 100%;
  }
  
  .feature-icon {
    width: 70px;
    height: 70px;
    padding: 1rem;
  }
}

@media (max-width: 768px) {
  .banner-images .image-container {
    aspect-ratio: 16/10;
  }
  
  .feature-icon {
    width: 60px;
    height: 60px;
    padding: 0.8rem;
  }
}