/* 服务支持页面样式 */
:root {
  --main-color: #4e8cff;
  --accent-color: #a18cd1;
  --primary-color: #6c5ce7;
  --primary-light: #a29bfe;
  --button-color: #7798c0;
  --text-color: #2d3436;
  --text-light: #636e72;
  --bg-color: #f9f9f9;
  --card-bg: #fff;
  --card-shadow: 0 10px 20px rgba(108, 92, 231, 0.1);
  --border-radius: 16px;
  --button-radius: 50px;
  --logo-size: 54px;
}

body {
  margin: 0;
  font-family: 'Montserrat', '微软雅黑', Arial, sans-serif;
  background: #f5f6fa;
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 导航栏样式 */
header {
  width: 100%;
  background: transparent;
  position: relative;
  z-index: 10;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  padding: 0 4vw;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: auto;
  z-index: 1000;
  background: rgba(245, 246, 250, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.03);
}

.logo, nav {
  margin-top: auto;
  margin-bottom: auto;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  display: flex;
  align-items: center;
  height: var(--logo-size);
}

.logo img {
  height: var(--logo-size);
  width: var(--logo-size);
  object-fit: contain;
  border-radius: 12px;
}

.logo-text {
  margin-left: 8px;
  font-size: 1.35rem;
  font-weight: 700;
  color: #232323;
  letter-spacing: 2px;
  font-family: 'Montserrat', '微软雅黑', Arial, sans-serif;
  white-space: nowrap;
  position: relative;
  top: -2px;
}

nav {
  display: flex;
  gap: 40px;
  margin-right: 16px;
  align-items: center;
}

nav a {
  color: #2a3b4d;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.05rem;
  padding: 6px 4px;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.3px;
}

nav a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: linear-gradient(90deg, var(--main-color), #6e9fff);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0.9;
}

nav a:hover {
  color: var(--main-color);
}

nav a:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

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

nav a.active::before {
  transform: scaleX(1);
}

/* 主要内容区域 */
.main-content {
  margin-top: 100px;
  padding: 0 5vw;
  display: flex;
  flex-direction: column;
  gap: 40px;
  width: 100%;
  position: relative;
  z-index: 1;
}

/* 页面头部 */
.page-header {
  text-align: center;
  padding: 80px 0;
  background: #7798C0;
  color: white;
  margin: 0;
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin: 0 0 20px 0;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.page-header p {
  font-size: 1.2rem;
  margin: 0;
  opacity: 0.9;
}

/* 服务网格 */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin: 0;
  padding: 40px 0;
}

/* 大屏幕优化 */
@media screen and (min-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
  }
}

/* 中等屏幕优化 */
@media screen and (min-width: 768px) and (max-width: 1199px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
}

/* 服务卡片 */
.service-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: 40px 30px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.service-card::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 0.5s ease;
}

.service-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 25px 50px rgba(108, 92, 231, 0.2);
}

.service-card:hover::before {
  left: 100%;
}

.service-card.clickable {
  cursor: pointer;
  user-select: none;
}

.service-card.clickable:active {
  transform: translateY(-5px) scale(0.98);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  color: white;
  font-size: 32px;
  box-shadow: 0 8px 20px rgba(108, 92, 231, 0.3);
  transition: all 0.3s ease;
  position: relative;
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 30px rgba(108, 92, 231, 0.4);
}

/* 卡片箭头 */
.card-arrow {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: rgba(108, 92, 231, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 16px;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateX(10px);
}

.service-card:hover .card-arrow {
  opacity: 1;
  transform: translateX(0);
  background: var(--primary-color);
  color: white;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 15px 0;
  color: var(--text-color);
}

.service-card p {
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
  font-size: 1rem;
}

/* 页脚样式 */
.main-footer {
  background: #2a3b4d;
  color: #fff;
  padding: 4rem 6vw 2rem;
  margin-top: 6rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}

.footer-info h3,
.footer-links h3,
.footer-social h3 {
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-info p {
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  color: #fff;
}

.footer-info p i {
  margin-top: 0.3rem;
  font-size: 1.1rem;
}

.footer-links a {
  color: #fff;
  text-decoration: none;
  display: block;
  margin-bottom: 0.8rem;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-bottom p {
  margin: 0.5rem 0;
}

.address-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.address-line {
  line-height: 1.6;
}

.address-line.indent {
  padding-left: 3em;
}

.social-icons {
  display: flex;
  gap: 1.5rem;
}

.social-icons a {
  color: #fff;
  font-size: 1.5rem;
  transition: color 0.3s ease;
}

.social-icons a:hover {
  color: var(--primary-color);
}

.bilibili-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.bilibili-icon svg {
  width: 20px;
  height: 20px;
  transition: fill 0.3s ease;
}

.bilibili-icon:hover svg path {
  fill: var(--primary-color);
}

.icp-info {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* 移动端菜单按钮样式 */
.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  position: relative;
  z-index: 1001;
}

.menu-btn i {
  font-size: 20px;
  color: #333;
}

/* 移动端菜单样式 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  z-index: 1000;
  padding: 10px 0;
  border-top: 1px solid #eee;
}

.mobile-menu a {
  display: block;
  padding: 12px 20px;
  color: #333;
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid #f5f5f5;
  transition: all 0.2s ease;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:active {
  background: #f8f9fa;
}

.mobile-menu a.active {
  color: var(--main-color);
  font-weight: 500;
}

/* 横屏模式优化 */
@media screen and (orientation: landscape) and (max-height: 600px) {
  .main-content {
    margin-top: 80px;
  }
  
  .page-header {
    padding: 40px 0;
    margin: 0;
    width: 100vw;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
  }
  
  .page-header h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
  }
  
  .page-header p {
    font-size: 1rem;
  }
  
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 20px 0;
  }
  
  .service-card {
    padding: 20px 15px;
    min-height: 200px;
  }
  
  .service-icon {
    width: 50px;
    height: 50px;
    font-size: 20px;
    margin-bottom: 15px;
  }
  
  .service-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
  }
  
  .service-card p {
    font-size: 0.8rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .card-arrow {
    width: 30px;
    height: 30px;
    top: 15px;
    right: 15px;
    font-size: 12px;
  }
  
  /* 横屏模式表格优化 */
  .data-table {
    font-size: 0.75rem;
    min-width: 500px;
  }
  
  .data-table th {
    padding: 8px 6px;
    font-size: 0.8rem;
  }
  
  .data-cell {
    width: 60px;
    height: 45px;
  }
  
  .bit-index {
    font-size: 0.6rem;
  }
  
  .bit-value {
    font-size: 1rem;
  }
  
  .row-header {
    min-width: 25px;
    max-width: 25px;
    width: 25px;
    font-size: 0.8rem;
    padding: 8px 4px;
  }
}

/* 横屏模式 - 中等高度 */
@media screen and (orientation: landscape) and (min-height: 601px) and (max-height: 800px) {
  .page-header {
    padding: 50px 0;
  }
  
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
  }
  
  .service-card {
    padding: 25px 20px;
  }
  
  /* 中等高度横屏模式表格优化 */
  .data-table {
    font-size: 0.8rem;
    min-width: 550px;
  }
  
  .data-table th {
    padding: 10px 8px;
    font-size: 0.85rem;
  }
  
  .data-cell {
    width: 70px;
    height: 50px;
  }
  
  .bit-index {
    font-size: 0.65rem;
  }
  
  .bit-value {
    font-size: 1.1rem;
  }
  
  .row-header {
    min-width: 28px;
    max-width: 28px;
    width: 28px;
    font-size: 0.85rem;
    padding: 10px 4px;
  }
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
  .navbar {
    padding: 0 20px;
    min-height: 70px;
  }

  nav {
    display: none;
  }
  
  .menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .logo-text {
    font-size: 1rem;
  }

  :root {
    --logo-size: 40px;
  }

  .page-header {
    margin: 0;
    width: 100vw;
    padding: 70px 20px;
    text-align: center;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
  }

  .page-header h1 {
    font-size: 2.4rem;
    margin-bottom: 18px;
    line-height: 1.2;
  }

  .page-header p {
    font-size: 1.1rem;
    line-height: 1.4;
    max-width: 320px;
    margin: 0 auto;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* 移动端横屏模式 */
@media screen and (orientation: landscape) and (max-width: 768px) {
  .main-content {
    margin-top: 70px;
    padding: 0 15px;
    width: 100%;
  }
  
  .page-header {
    padding: 20px 0;
    margin: 0;
    text-align: center;
  }
  
  .page-header h1 {
    font-size: 1.6rem;
    margin-bottom: 6px;
  }
  
  .page-header p {
    font-size: 0.85rem;
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 15px 0;
  }
  
  .service-card {
    padding: 12px 8px;
    min-height: 140px;
  }
  
  .service-icon {
    width: 35px;
    height: 35px;
    font-size: 14px;
    margin-bottom: 8px;
  }
  
  .service-card h3 {
    font-size: 0.9rem;
    margin-bottom: 4px;
  }
  
  .service-card p {
    font-size: 0.7rem;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .card-arrow {
    width: 20px;
    height: 20px;
    top: 8px;
    right: 8px;
    font-size: 8px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-info, .footer-links, .footer-social {
    text-align: center;
  }
  .footer-info p {
    justify-content: center;
  }
  .social-icons {
    justify-content: center;
  }
  .address-wrapper {
    align-items: center;
  }
  .address-line.indent {
    padding-left: 0;
  }
  
  /* 移动端横屏模式表格优化 */
  .data-table {
    font-size: 0.7rem;
    min-width: 450px;
  }
  
  .data-table th {
    padding: 6px 4px;
    font-size: 0.75rem;
  }
  
  .data-cell {
    width: 50px;
    height: 40px;
  }
  
  .bit-index {
    font-size: 0.55rem;
  }
  
  .bit-value {
    font-size: 0.9rem;
  }
  
  .row-header {
    min-width: 22px;
    max-width: 22px;
    width: 22px;
    font-size: 0.75rem;
    padding: 6px 2px;
  }
}

@media screen and (max-width: 576px) {
  .main-content {
    padding: 0 3vw;
    margin-top: 80px;
    gap: 25px;
  }

  .page-header {
    margin: 0;
    width: 100vw;
    padding: 50px 15px;
    text-align: center;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
  }

  .page-header h1 {
    font-size: 2rem;
    margin-bottom: 15px;
    line-height: 1.2;
  }

  .page-header p {
    font-size: 1rem;
    line-height: 1.4;
    max-width: 280px;
    margin: 0 auto;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 20px 0 40px 0;
  }

  .service-card {
    padding: 30px 20px;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 24px;
    margin-bottom: 20px;
  }

  .service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 600;
  }

  .service-card p {
    font-size: 0.95rem;
    line-height: 1.5;
    max-width: 100%;
  }
  
  /* 小屏幕表格优化 */
  .data-table {
    font-size: 0.65rem;
    min-width: 320px;
  }
  
  .data-table th {
    padding: 6px 3px;
    font-size: 0.7rem;
  }
  
  .data-cell {
    width: 35px;
    height: 35px;
  }
  
  .bit-index {
    font-size: 0.5rem;
  }
  
  .bit-value {
    font-size: 0.8rem;
  }
  
  .row-header {
    min-width: 20px;
    max-width: 20px;
    width: 20px;
    font-size: 0.7rem;
    padding: 6px 2px;
  }
  
  /* 小屏幕输入区域优化 */
  .input-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .input-group {
    gap: 6px;
  }
  
  .hex-input {
    padding: 10px 8px;
    font-size: 0.9rem;
  }
  
  .input-actions {
    flex-direction: column;
    gap: 10px;
  }
  
  .parse-btn, .clear-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}

/* 超小屏幕优化 */
@media screen and (max-width: 375px) {
  .main-content {
    margin-top: 70px;
    padding: 0 2vw;
    gap: 20px;
  }

  .page-header {
    margin: 0;
    width: 100vw;
    padding: 40px 10px;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
  }

  .page-header h1 {
    font-size: 1.8rem;
    margin-bottom: 12px;
  }

  .page-header p {
    font-size: 0.9rem;
    max-width: 260px;
  }

  .services-grid {
    gap: 12px;
    padding: 12px 0 25px 0;
  }

  .service-card {
    padding: 15px 10px;
    min-height: 130px;
  }

  .service-icon {
    width: 40px;
    height: 40px;
    font-size: 16px;
    margin-bottom: 10px;
  }

  .service-card h3 {
    font-size: 1rem;
    margin-bottom: 6px;
  }

  .service-card p {
    font-size: 0.8rem;
    line-height: 1.2;
  }
  
  .card-arrow {
    width: 22px;
    height: 22px;
    top: 10px;
    right: 10px;
    font-size: 9px;
  }
  
  /* 超小屏幕表格进一步优化 */
  .data-table {
    font-size: 0.6rem;
    min-width: 280px;
  }
  
  .data-table th {
    padding: 4px 2px;
    font-size: 0.65rem;
  }
  
  .data-cell {
    width: 30px;
    height: 30px;
  }
  
  .bit-index {
    font-size: 0.45rem;
  }
  
  .bit-value {
    font-size: 0.7rem;
  }
  
  .row-header {
    min-width: 18px;
    max-width: 18px;
    width: 18px;
    font-size: 0.65rem;
    padding: 4px 1px;
  }
  
  /* 超小屏幕输入区域优化 */
  .input-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  .hex-input {
    padding: 8px 6px;
    font-size: 0.85rem;
  }
  
  .input-actions {
    gap: 8px;
  }
  
  .parse-btn, .clear-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
}

/* 通知样式 */
.notification {
  font-family: 'Montserrat', '微软雅黑', Arial, sans-serif;
}

.notification-content {
  display: flex;
  align-items: center;
  padding: 16px;
  gap: 12px;
}

.notification-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  flex-shrink: 0;
}

.notification-text {
  flex: 1;
}

.notification-text h4 {
  margin: 0 0 4px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-color);
}

.notification-text p {
  margin: 0;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.4;
}

.notification-close {
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.notification-close:hover {
  background: rgba(0,0,0,0.1);
  color: var(--text-color);
}

/* 增强卡片交互效果 */
.service-card.clickable:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.service-card.clickable:focus .card-arrow {
  opacity: 1;
  transform: translateX(0);
  background: var(--primary-color);
  color: white;
}

/* 模态窗口样式 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.modal-content {
  background: white;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s ease;
}

.modal-overlay.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 25px;
  border-bottom: 1px solid #eee;
  background: #f8f9fa;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-color);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-color);
}

.modal-body {
  padding: 25px;
}

.extension-options {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.extension-item {
  display: flex;
  align-items: center;
  padding: 20px;
  border: 2px solid #f0f0f0;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  background: white;
}

.extension-item:hover {
  border-color: var(--primary-color);
  background: #f8f9ff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 92, 231, 0.15);
}

.extension-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  margin-right: 15px;
  flex-shrink: 0;
}

.extension-info {
  flex: 1;
}

.extension-info h4 {
  margin: 0 0 5px 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-color);
}

.extension-info p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.4;
}

.extension-arrow {
  color: var(--primary-color);
  font-size: 16px;
  transition: transform 0.3s ease;
}

.extension-item:hover .extension-arrow {
  transform: translateX(5px);
}

/* 模态窗口移动端优化 */
@media screen and (max-width: 768px) {
  .modal-content {
    width: 95%;
    max-width: none;
    margin: 20px;
    max-height: 90vh;
  }
  
  .modal-header {
    padding: 15px 20px;
  }
  
  .modal-header h3 {
    font-size: 1.1rem;
  }
  
  .modal-close {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
  
  .modal-body {
    padding: 20px;
  }
  
  .extension-item {
    padding: 15px;
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
  
  .extension-icon {
    width: 40px;
    height: 40px;
    font-size: 16px;
    margin-right: 0;
    margin-bottom: 8px;
  }
  
  .extension-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
  }
  
  .extension-info p {
    font-size: 0.85rem;
  }
  
  .extension-arrow {
    font-size: 14px;
  }
}

@media screen and (max-width: 480px) {
  .modal-content {
    width: 98%;
    margin: 10px;
    max-height: 95vh;
  }
  
  .modal-header {
    padding: 12px 15px;
  }
  
  .modal-header h3 {
    font-size: 1rem;
  }
  
  .modal-body {
    padding: 15px;
  }
  
  .extension-item {
    padding: 12px;
  }
  
  .extension-icon {
    width: 35px;
    height: 35px;
    font-size: 14px;
  }
  
  .extension-info h4 {
    font-size: 0.9rem;
  }
  
  .extension-info p {
    font-size: 0.8rem;
  }
}

/* CAN数据解析页面样式 */
.parser-section {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  margin-bottom: 40px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.parser-section:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(108, 92, 231, 0.15);
}

.section-header {
  display: flex;
  align-items: center;
  padding: 30px 40px;
  background: linear-gradient(135deg, #f8f9ff, #e8f0ff);
  border-bottom: 1px solid #e0e7ff;
}

.section-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 32px;
  margin-right: 25px;
  box-shadow: 0 8px 20px rgba(108, 92, 231, 0.3);
  flex-shrink: 0;
}

.section-title h2 {
  font-size: 1.8rem;
  font-weight: 600;
  margin: 0 0 10px 0;
  color: var(--text-color);
}

.section-title p {
  font-size: 1rem;
  color: var(--text-light);
  margin: 0;
  line-height: 1.5;
}

.section-content {
  padding: 40px;
  min-height: 300px;
}

.radar-section .section-icon {
  background: linear-gradient(135deg, #4e8cff, #6e9fff);
}

.chassis-section .section-icon {
  background: linear-gradient(135deg, #7798c0, #8bb3d3);
}

/* 占位页面样式 */
.content-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  padding: 40px 20px;
}

.placeholder-content {
  text-align: center;
  max-width: 500px;
}

.placeholder-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 32px;
  margin: 0 auto 25px;
  box-shadow: 0 8px 20px rgba(108, 92, 231, 0.3);
}

.placeholder-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 15px 0;
  color: var(--text-color);
}

.placeholder-content p {
  font-size: 1rem;
  color: var(--text-light);
  margin: 0 0 20px 0;
  line-height: 1.6;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  text-align: left;
  display: inline-block;
}

.feature-list li {
  padding: 8px 0;
  color: var(--text-light);
  position: relative;
  padding-left: 25px;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 16px;
}

.back-section {
  text-align: center;
  margin-top: 40px;
  padding: 20px 0;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
}

.btn-primary i {
  font-size: 14px;
}

/* 毫米波雷达数据解析样式 */
.data-input-section {
  background: #f8f9ff;
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 30px;
  border: 1px solid #e0e7ff;
}

.data-input-section h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0 0 10px 0;
  color: var(--text-color);
}

.data-input-section p {
  color: var(--text-light);
  margin: 0 0 25px 0;
  font-size: 0.95rem;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 25px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-weight: 500;
  color: var(--text-color);
  font-size: 0.9rem;
}

.hex-input {
  padding: 12px 15px;
  border: 2px solid #e0e7ff;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  transition: all 0.3s ease;
  background: white;
}

.hex-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.hex-input:invalid {
  border-color: #ff6b6b;
}

.input-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.parse-btn, .clear-btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.parse-btn {
  background: var(--primary-color);
  color: white;
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.parse-btn:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
}

.clear-btn {
  background: #6c757d;
  color: white;
  box-shadow: 0 4px 15px rgba(108, 117, 125, 0.3);
}

.clear-btn:hover {
  background: #5a6268;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(108, 117, 125, 0.4);
}

/* 数据表格样式 */
.data-table-section {
  margin-bottom: 30px;
}

.data-table-section h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0 0 20px 0;
  color: var(--text-color);
}

.table-container {
  overflow-x: auto;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  background: white;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 600px;
}

.data-table th {
  background: #f8f9fa;
  color: var(--text-color);
  font-weight: 600;
  padding: 12px 8px;
  text-align: center;
  border: 1px solid #dee2e6;
}

.row-header {
  background: #e9ecef !important;
  font-weight: 700;
  min-width: 32px;
  max-width: 32px;
  width: 32px;
  padding: 12px 6px;
}

.bit-header {
  background: #f8f9fa !important;
  font-size: 0.9rem;
}

.bit-cell {
  background: #f8f9fa !important;
  font-weight: 600;
  min-width: 50px;
}

.data-cell {
  position: relative;
  width: 80px;
  height: 60px;
  border: 1px solid #dee2e6;
  text-align: center;
  vertical-align: middle;
  background: white;
  transition: all 0.3s ease;
}

.data-cell:hover {
  background: #f8f9ff;
  transform: scale(1.05);
  z-index: 10;
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.2);
}

.bit-index {
  position: absolute;
  top: 2px;
  left: 2px;
  font-size: 0.7rem;
  color: #6c757d;
  font-weight: 500;
}

.bit-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-color);
  margin: 8px 0;
}

.field-label {
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  color: var(--primary-color);
  font-weight: 600;
  white-space: nowrap;
  background: rgba(108, 92, 231, 0.1);
  padding: 1px 4px;
  border-radius: 3px;
}

/* 位范围颜色编码 */
/* 15-8, 23-19 粉色 */
.data-cell[data-bit="15"], .data-cell[data-bit="14"], .data-cell[data-bit="13"], .data-cell[data-bit="12"], 
.data-cell[data-bit="11"], .data-cell[data-bit="10"], .data-cell[data-bit="9"], .data-cell[data-bit="8"],
.data-cell[data-bit="23"], .data-cell[data-bit="22"], .data-cell[data-bit="21"], .data-cell[data-bit="20"], 
.data-cell[data-bit="19"] {
  background: rgba(255, 192, 203, 0.3) !important;
}

/* 18-17, 31-24, 16 蓝色 - 强制完全相同的蓝色 */
.data-cell[data-bit="18"], .data-cell[data-bit="17"], .data-cell[data-bit="16"],
.data-cell[data-bit="31"], .data-cell[data-bit="30"], .data-cell[data-bit="29"], .data-cell[data-bit="28"], 
.data-cell[data-bit="27"], .data-cell[data-bit="26"], .data-cell[data-bit="25"], .data-cell[data-bit="24"] {
  background-color: #87CEEB !important;
  background: #87CEEB !important;
  background-image: none !important;
  background-attachment: scroll !important;
  background-clip: border-box !important;
  background-origin: padding-box !important;
  background-position: 0% 0% !important;
  background-repeat: repeat !important;
  background-size: auto !important;
}

/* 39-32, 47-46 黄色 */
.data-cell[data-bit="39"], .data-cell[data-bit="38"], .data-cell[data-bit="37"], .data-cell[data-bit="36"], 
.data-cell[data-bit="35"], .data-cell[data-bit="34"], .data-cell[data-bit="33"], .data-cell[data-bit="32"],
.data-cell[data-bit="47"], .data-cell[data-bit="46"] {
  background: rgba(255, 255, 0, 0.3) !important;
}

/* 45-40, 55-53 浅绿色 */
.data-cell[data-bit="45"], .data-cell[data-bit="44"], .data-cell[data-bit="43"], .data-cell[data-bit="42"], 
.data-cell[data-bit="41"], .data-cell[data-bit="40"],
.data-cell[data-bit="55"], .data-cell[data-bit="54"], .data-cell[data-bit="53"] {
  background: rgba(144, 238, 144, 0.3) !important;
}

/* 63-56 深绿色 */
.data-cell[data-bit="63"], .data-cell[data-bit="62"], .data-cell[data-bit="61"], .data-cell[data-bit="60"], 
.data-cell[data-bit="59"], .data-cell[data-bit="58"], .data-cell[data-bit="57"], .data-cell[data-bit="56"] {
  background: rgba(0, 128, 0, 0.3) !important;
}

/* 默认行颜色编码（保持原有的行背景色） */
.row-0, .row-1, .row-2 {
  background: rgba(255, 192, 203, 0.1);
}

.row-3, .row-4 {
  background: rgba(255, 165, 0, 0.1);
}

.row-5, .row-6, .row-7 {
  background: rgba(144, 238, 144, 0.1);
}

/* 解析结果样式 */
.result-section {
  background: #f8f9ff;
  border-radius: 12px;
  padding: 25px;
  border: 1px solid #e0e7ff;
}

.result-section h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0 0 20px 0;
  color: var(--text-color);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  width: 100%;
}

.result-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 20px;
  background: white;
  border-radius: 12px;
  border: 1px solid #e0e7ff;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  min-height: 120px;
}

.result-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.1);
}

.result-item label {
  font-weight: 500;
  color: var(--text-color);
  font-size: 0.9rem;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.result-item span {
  font-weight: 600;
  color: var(--primary-color);
  font-size: 1.4rem;
  margin-top: 5px;
}

/* 新的结果值对样式 */
.value-pair {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  margin-top: 8px;
}

.bus-value, .final-value {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(108, 92, 231, 0.05);
  border: 1px solid rgba(108, 92, 231, 0.1);
  min-height: 40px;
}

.bus-value {
  background: rgba(108, 92, 231, 0.05);
  border-color: rgba(108, 92, 231, 0.1);
}

.final-value {
  background: rgba(40, 167, 69, 0.05);
  border-color: rgba(40, 167, 69, 0.1);
}

.value-label {
  font-weight: 500;
  color: var(--text-color);
  font-size: 0.85rem;
  min-width: 60px;
}

.bus-value .value-label {
  color: var(--primary-color);
}

.final-value .value-label {
  color: #28a745;
}

.bus-value span:last-child,
.final-value span:nth-child(2) {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-color);
}

.unit {
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 500;
  margin-left: 4px;
}

/* 大屏幕优化 - 显示更多列 */
@media screen and (min-width: 1200px) {
  .result-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
  }
}

/* 中等屏幕优化 */
@media screen and (min-width: 768px) and (max-width: 1199px) {
  .result-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

/* 响应式设计 - CAN解析页面 */
@media screen and (max-width: 768px) {
  .section-header {
    flex-direction: column;
    text-align: center;
    padding: 25px 20px;
  }
  
  .section-icon {
    margin-right: 0;
    margin-bottom: 20px;
    width: 70px;
    height: 70px;
    font-size: 28px;
  }
  
  .section-title h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
  }
  
  .section-title p {
    font-size: 0.9rem;
  }
  
  .section-content {
    padding: 25px 20px;
    min-height: 250px;
  }
  
  .placeholder-icon {
    width: 60px;
    height: 60px;
    font-size: 24px;
    margin-bottom: 20px;
  }
  
  .placeholder-content h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
  }
  
  .placeholder-content p {
    font-size: 0.9rem;
    margin-bottom: 15px;
  }
  
  .feature-list li {
    font-size: 0.9rem;
    padding: 6px 0;
  }
}

@media screen and (max-width: 576px) {
  .section-header {
    padding: 20px 15px;
  }
  
  .section-icon {
    width: 60px;
    height: 60px;
    font-size: 24px;
    margin-bottom: 15px;
  }
  
  .section-title h2 {
    font-size: 1.3rem;
  }
  
  .section-title p {
    font-size: 0.85rem;
  }
  
  .section-content {
    padding: 15px 10px;
    min-height: 180px;
  }
  
  .content-placeholder {
    min-height: 200px;
    padding: 30px 15px;
  }
  
  .placeholder-icon {
    width: 50px;
    height: 50px;
    font-size: 20px;
    margin-bottom: 15px;
  }
  
  .placeholder-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }
  
  .placeholder-content p {
    font-size: 0.85rem;
    margin-bottom: 12px;
  }
  
  .feature-list li {
    font-size: 0.85rem;
    padding: 5px 0;
  }
  
  /* 移动端解析结果样式 */
  .result-grid {
    grid-template-columns: 1fr;
    gap: 15px;
    max-width: 100%;
  }
  
  .result-item {
    padding: 15px;
    min-height: 100px;
  }
  
  .result-item label {
    font-size: 0.8rem;
    margin-bottom: 6px;
  }
  
  .result-item span {
    font-size: 1.2rem;
  }
  
  /* 移动端值对样式 */
  .value-pair {
    gap: 6px;
  }
  
  .bus-value, .final-value {
    padding: 6px 10px;
    gap: 6px;
  }
  
  .value-label {
    font-size: 0.8rem;
    min-width: 50px;
  }
  
  .bus-value span:last-child,
  .final-value span:nth-child(2) {
    font-size: 1rem;
  }
  
  .unit {
    font-size: 0.75rem;
  }
}

/* 小屏幕结果显示优化 */
@media screen and (max-width: 576px) {
  .result-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .result-item {
    padding: 12px;
    min-height: 90px;
  }
  
  .value-pair {
    gap: 8px;
  }
  
  .bus-value, .final-value {
    padding: 8px 10px;
    gap: 6px;
    min-height: 35px;
  }
  
  .value-label {
    font-size: 0.75rem;
    min-width: 45px;
  }
  
  .bus-value span:last-child,
  .final-value span:nth-child(2) {
    font-size: 0.9rem;
  }
  
  .unit {
    font-size: 0.7rem;
  }
}

/* 超小屏幕结果显示优化 */
@media screen and (max-width: 375px) {
  .result-grid {
    gap: 10px;
  }
  
  .result-item {
    padding: 10px;
    min-height: 80px;
  }
  
  .value-pair {
    gap: 6px;
  }
  
  .bus-value, .final-value {
    padding: 6px 8px;
    gap: 4px;
    min-height: 30px;
  }
  
  .value-label {
    font-size: 0.7rem;
    min-width: 40px;
  }
  
  .bus-value span:last-child,
  .final-value span:nth-child(2) {
    font-size: 0.85rem;
  }
  
  .unit {
    font-size: 0.65rem;
  }
}

/* 极小屏幕优化 (≤320px) */
@media screen and (max-width: 320px) {
  .main-content {
    margin-top: 60px;
    padding: 0 1vw;
    gap: 15px;
  }
  
  .page-header {
    padding: 30px 8px;
  }
  
  .page-header h1 {
    font-size: 1.6rem;
    margin-bottom: 10px;
  }
  
  .page-header p {
    font-size: 0.85rem;
    max-width: 240px;
  }
  
  .services-grid {
    gap: 10px;
    padding: 10px 0 20px 0;
  }

  .service-card {
    padding: 12px 8px;
    min-height: 120px;
  }

  .service-icon {
    width: 35px;
    height: 35px;
    font-size: 14px;
    margin-bottom: 8px;
  }

  .service-card h3 {
    font-size: 0.9rem;
    margin-bottom: 5px;
  }

  .service-card p {
    font-size: 0.75rem;
    line-height: 1.1;
  }
  
  .card-arrow {
    width: 20px;
    height: 20px;
    top: 8px;
    right: 8px;
    font-size: 8px;
  }
  
  /* 极小屏幕表格优化 */
  .data-table {
    font-size: 0.55rem;
    min-width: 260px;
  }
  
  .data-table th {
    padding: 3px 1px;
    font-size: 0.6rem;
  }
  
  .data-cell {
    width: 28px;
    height: 28px;
  }
  
  .bit-index {
    font-size: 0.4rem;
  }
  
  .bit-value {
    font-size: 0.65rem;
  }
  
  .row-header {
    min-width: 16px;
    max-width: 16px;
    width: 16px;
    font-size: 0.6rem;
    padding: 3px 1px;
  }
  
  /* 极小屏幕输入区域优化 */
  .input-grid {
    gap: 8px;
  }
  
  .hex-input {
    padding: 6px 4px;
    font-size: 0.8rem;
  }
  
  .parse-btn, .clear-btn {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
  
  /* 极小屏幕结果显示优化 */
  .result-grid {
    gap: 8px;
  }
  
  .result-item {
    padding: 8px;
    min-height: 70px;
  }
  
  .value-pair {
    gap: 4px;
  }
  
  .bus-value, .final-value {
    padding: 4px 6px;
    gap: 3px;
    min-height: 25px;
  }
  
  .value-label {
    font-size: 0.65rem;
    min-width: 35px;
  }
  
  .bus-value span:last-child,
  .final-value span:nth-child(2) {
    font-size: 0.8rem;
  }
  
  .unit {
    font-size: 0.6rem;
  }
  
  /* 极小屏幕section优化 */
  .section-content {
    padding: 10px 8px;
    min-height: 150px;
  }
  
  .section-header {
    padding: 15px 10px;
  }
  
  .section-icon {
    width: 50px;
    height: 50px;
    font-size: 20px;
    margin-bottom: 10px;
  }
  
  .section-title h2 {
    font-size: 1.1rem;
    margin-bottom: 6px;
  }
  
  .section-title p {
    font-size: 0.8rem;
  }
}