*{margin:0;padding:0;box-sizing:border-box;font-family:"Microsoft Yahei",sans-serif}
body{transition:background 0.5s ease;background:linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%)}
body.slide-0{background:linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%)}
body.slide-1{background:linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%)}
body.slide-2{background:linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%)}

.top-banner{width:100%;height:40px;background:linear-gradient(90deg, #4080ff 0%, #9955ff 100%);color:#fff;display:none;align-items:center;justify-content:center;position:relative;z-index:1000;padding:0 15px;font-size:14px;line-height:1.3}
.top-banner .banner-text{display:inline}
.top-banner .banner-link{display:none}
.close-btn{position:absolute;right:16px;top:50%;transform:translateY(-50%);background:none;border:none;color:#fff;font-size:20px;cursor:pointer}

/* ===== 网站头部导航（模仿行上云） ===== */
.site-header{
  width:100%;
  background:#fff;
  box-shadow:0 1px 4px rgba(0,0,0,0.08);
  position:sticky;
  top:0;
  z-index:9999;
}
.header-inner{
  max-width:1480px;
  margin:0 auto;
  height:60px;
  display:flex;
  align-items:center;
  padding:0 20px;
}
.logo{
  flex-shrink:0;
  margin-right:40px;
}
.logo a{
  display:flex;
  align-items:center;
  text-decoration:none;
}
.logo img{
  height:36px;
  width:auto;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
}
.nav-item{
  position:relative;
}
.nav-item>a{
  display:flex;
  align-items:center;
  gap:4px;
  padding:0 14px;
  height:60px;
  line-height:60px;
  font-size:14px;
  color:#333;
  text-decoration:none;
  white-space:nowrap;
  transition:color 0.2s;
}
.nav-item>a:hover,
.nav-item>a:focus{
  color:#2563eb;
}
.icon-arrow{
  display:inline-block;
  width:0;
  height:0;
  border-left:4px solid transparent;
  border-right:4px solid transparent;
  border-top:5px solid currentColor;
  margin-left:2px;
  transition:transform 0.2s;
}
.nav-dropdown-wrap:hover>.icon-arrow{
  transform:rotate(180deg);
}
.nav-dropdown-wrap:hover>a{
  color:#2563eb;
}

/* 下拉菜单 */
.nav-dropdown{
  display:none;
  position:absolute;
  top:60px;
  left:0;
  background:#fff;
  border-radius:0 0 8px 8px;
  box-shadow:0 6px 20px rgba(0,0,0,0.12);
  padding:8px 0;
  min-width:160px;
  z-index:100;
}
.nav-dropdown-wrap:hover>.nav-dropdown{
  display:block;
}
.dropdown-list{
  list-style:none;
  padding:0;
  margin:0;
}
.dropdown-list li a{
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  font-size:14px;
  color:#333;
  text-decoration:none;
  transition:all 0.2s;
  white-space:nowrap;
}
.dropdown-list li a:hover{
  background:#f0f7ff;
  color:#2563eb;
}
.dropdown-list li a i{
  font-size:16px;
  color:#2563eb;
  width:20px;
  text-align:center;
}
.icon-hot::before{content:"HOT";font-size:10px;background:#ff4d4f;color:#fff;padding:1px 4px;border-radius:3px;font-weight:600}
.icon-doc::before{content:"\f15c";font-family:FontAwesome}
.icon-share::before{content:"\f064";font-family:FontAwesome}
.icon-more::before{content:"\f140";font-family:FontAwesome}

/* 导航项下拉箭头 */
.nav-item>a>i.fa-chevron-down{
  font-size:10px;
  margin-left:4px;
  transition:transform 0.3s;
}
.nav-item.has-dropdown:hover>a>i.fa-chevron-down{
  transform:rotate(180deg);
}
.nav-item.has-dropdown.open>.mega-dropdown{
  display:flex;
}
.nav-item.has-dropdown.open>a>i.fa-chevron-down{
  transform:rotate(180deg);
}

/* 超大下拉菜单（全栈开发/数据中心） */
.mega-dropdown{
  display:none;
  position:absolute;
  top:60px;
  left:50%;
  transform:translateX(-50%);
  background:#fff;
  border-radius:12px;
  box-shadow:0 12px 40px rgba(0,0,0,0.12);
  padding:0;
  min-width:520px;
  z-index:1000;
  overflow:hidden;
  animation:mega-fade-in 0.25s ease;
}
@keyframes mega-fade-in{from{opacity:0;transform:translateX(-50%) translateY(8px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
.nav-item.has-dropdown:hover>.mega-dropdown{
  display:flex;
}
.mega-left{
  width:160px;
  background:linear-gradient(135deg,#f0f7ff 0%,#e6f0ff 100%);
  padding:28px 20px;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  border-right:1px solid #e5e7eb;
}
.mega-icon{
  width:48px;
  height:48px;
  border-radius:12px;
  background:linear-gradient(135deg,#2563eb,#3b82f6);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:20px;
  margin-bottom:14px;
}
.mega-left h4{
  font-size:16px;
  font-weight:700;
  color:#111827;
  margin-bottom:6px;
}
.mega-left p{
  font-size:12px;
  color:#6b7280;
  line-height:1.5;
}
.mega-right{
  flex:1;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  padding:8px;
}
.mega-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  border-radius:8px;
  text-decoration:none;
  transition:all 0.25s;
}
.mega-item:hover{
  background:#f0f7ff;
}
.mega-item-icon{
  width:42px;
  height:42px;
  border-radius:10px;
  background:#f0f7ff;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#2563eb;
  font-size:18px;
  flex-shrink:0;
  transition:all 0.25s;
}
.mega-item:hover .mega-item-icon{
  background:linear-gradient(135deg,#2563eb,#3b82f6);
  color:#fff;
  transform:scale(1.05);
}
.mega-item h5{
  font-size:14px;
  font-weight:600;
  color:#111827;
  margin-bottom:2px;
  white-space:nowrap;
}
.mega-item p{
  font-size:12px;
  color:#6b7280;
  margin:0;
  white-space:nowrap;
}

/* 超宽下拉菜单（全部产品） */
.nav-dropdown-mega{
  min-width:420px;
  padding:0;
  display:flex;
}
.mega-left{
  width:120px;
  background:#f8f9fa;
  border-right:1px solid #eee;
  border-radius:0 0 0 8px;
}
.mega-menu{
  list-style:none;
  padding:8px 0;
  margin:0;
}
.mega-menu li{
  padding:10px 16px;
  font-size:14px;
  color:#666;
  cursor:pointer;
  transition:all 0.2s;
  position:relative;
}
.mega-menu li:hover,
.mega-menu li.active{
  background:#fff;
  color:#2563eb;
}
.mega-menu li.active::before{
  content:'';
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:#2563eb;
}
.mega-right{
  flex:1;
  padding:16px 20px;
  min-height:140px;
}
.mega-content{
  display:none;
}
.mega-content.active{
  display:block;
}
.mega-links{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.mega-links a{
  display:inline-block;
  padding:8px 16px;
  font-size:14px;
  color:#333;
  text-decoration:none;
  background:#f8f9fa;
  border-radius:6px;
  transition:all 0.2s;
  width:fit-content;
}
.mega-links a:hover{
  background:#2563eb;
  color:#fff;
}

/* 右侧登录区 */
.nav-mobile-login{display:none;}
.login-zone{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex-shrink:0;
}
.btn-console{
  padding:7px 16px;
  font-size:14px;
  color:#666;
  text-decoration:none;
  border:1px solid #ddd;
  border-radius:4px;
  transition:all 0.2s;
}
.btn-console:hover{
  color:#2563eb;
  border-color:#2563eb;
}
.divider{
  width:1px;
  height:16px;
  background:#ddd;
}
.btn-login{
  padding:7px 16px;
  font-size:14px;
  color:#333;
  text-decoration:none;
  transition:color 0.2s;
}
.btn-login:hover{
  color:#2563eb;
}
.btn-register{
  padding:7px 20px;
  font-size:14px;
  color:#fff;
  background:#2563eb;
  text-decoration:none;
  border-radius:4px;
  transition:background 0.2s;
}
.btn-register:hover{
  background:#1d4ed8;
}

/* 汉堡菜单按钮 */
.mobile-menu-btn{
  display:none;
  width:36px;
  height:36px;
  background:none;
  border:none;
  cursor:pointer;
  position:relative;
  margin-left:auto;
}
.mobile-menu-btn span{
  display:block;
  width:22px;
  height:2px;
  background:#333;
  position:absolute;
  left:7px;
  transition:all 0.3s;
}
.mobile-menu-btn span:nth-child(1){top:10px}
.mobile-menu-btn span:nth-child(2){top:17px}
.mobile-menu-btn span:nth-child(3){top:24px}
.mobile-menu-btn.active span:nth-child(1){top:17px;transform:rotate(45deg)}
.mobile-menu-btn.active span:nth-child(2){opacity:0}
.mobile-menu-btn.active span:nth-child(3){top:17px;transform:rotate(-45deg)}

/* 移动端样式 */
@media(max-width:768px){
  .main-nav{
    display:none;
    position:fixed;
    top:60px;
    left:0;
    width:100%;
    height:calc(100vh - 60px);
    background:#fff;
    flex-direction:column;
    padding:16px;
    overflow-y:auto;
    box-shadow:0 4px 12px rgba(0,0,0,0.1);
  }
  .main-nav.show{
    display:flex;
  }
  .nav-item>a{
    height:48px;
    line-height:48px;
    padding:0 12px;
    border-bottom:1px solid #f0f0f0;
    width:100%;
  }
  .nav-dropdown{
    position:static;
    box-shadow:none;
    border-radius:0;
    padding:0 0 0 20px;
    display:none;
    min-width:auto;
  }
  .nav-dropdown-wrap.open .nav-dropdown{
    display:block;
  }
  .nav-dropdown-mega{
    min-width:auto;
    flex-direction:column;
  }
  .mega-left{
    width:100%;
    border-right:none;
    border-bottom:1px solid #eee;
  }
  .mega-menu{
    display:flex;
    flex-wrap:wrap;
    padding:8px;
    gap:4px;
  }
  .mega-menu li{
    padding:6px 12px;
    border-radius:4px;
  }
  .mega-right{
    min-height:auto;
    padding:12px;
  }
  .mega-links{
    flex-direction:row;
    flex-wrap:wrap;
    gap:8px;
  }
  /* 超大下拉菜单移动端 */
  .mega-dropdown{
    position:static;
    transform:none;
    min-width:auto;
    border-radius:0;
    box-shadow:none;
    flex-direction:column;
    animation:none;
  }
  .mega-dropdown .mega-left{
    width:100%;
    border-right:none;
    border-bottom:1px solid #e5e7eb;
    padding:16px;
  }
  .mega-dropdown .mega-right{
    display:grid;
    grid-template-columns:1fr;
    gap:0;
    padding:8px;
  }
  .mega-item{
    padding:12px 16px;
  }
  .login-zone{
    width:100%;
    margin-top:16px;
    padding-top:16px;
    border-top:1px solid #eee;
    justify-content:center;
  }
  .mobile-menu-btn{
    display:block;
  }
  .site-header{
    position:fixed;
    top:0;
    left:0;
    right:0;
    z-index:9999;
    background:#fff;
    box-shadow:0 2px 8px rgba(0,0,0,0.1);
  }
  .header-inner{
    height:56px;
    padding:0 12px;
  }
  .logo{
    margin-right:16px;
  }
  .logo img{
    height:32px;
  }
  .mobile-menu-btn{
    display:block;
    width:36px;
    height:36px;
    background:transparent;
    border:none;
    position:relative;
    cursor:pointer;
    padding:0;
  }
  .mobile-menu-btn span{
    display:block;
    width:20px;
    height:2px;
    background:#333;
    margin:4px auto;
    transition:all 0.3s;
  }
  .mobile-menu-btn.active span:nth-child(1){
    transform:rotate(45deg) translate(5px,5px);
  }
  .mobile-menu-btn.active span:nth-child(2){
    opacity:0;
  }
  .mobile-menu-btn.active span:nth-child(3){
    transform:rotate(-45deg) translate(5px,-5px);
  }
  .login-zone{
    display:none;
  }
  .main-nav{
    position:fixed;
    top:56px;
    left:0;
    right:0;
    bottom:0;
    background:#fff;
    flex-direction:column;
    padding:0;
    overflow-y:auto;
    z-index:999;
    box-shadow:0 4px 12px rgba(0,0,0,0.1);
  }
  .main-nav.show{
    display:flex;
  }
  .nav-item{
    width:100%;
    border-bottom:1px solid #f0f0f0;
  }
  .nav-item>a{
    height:48px;
    line-height:48px;
    padding:0 16px;
    font-size:15px;
  }
  .nav-dropdown{
    position:static;
    display:none;
    padding:0;
    background:#f8f9fa;
  }
  .nav-item.has-dropdown:hover>.mega-dropdown{
    display:none!important;
  }
  .nav-item.has-dropdown:not(.open)>.mega-dropdown{
    display:none!important;
  }
  .nav-item.has-dropdown.open>.mega-dropdown{
    display:flex!important;
  }
  .nav-item.has-dropdown.open .nav-dropdown{
    display:block!important;
  }
  .nav-item.has-dropdown.open .nav-dropdown{
    display:block;
  }
  .mega-dropdown{
    position:static!important;
    box-shadow:none;
    border-radius:0;
    animation:none;
  }
  .mega-dropdown .mega-left{
    width:100%;
    padding:16px;
    border-right:none;
    border-bottom:1px solid #eee;
  }
  .mega-dropdown .mega-right{
    grid-template-columns:1fr!important;
    padding:8px;
  }
  .mega-item{
    padding:12px 16px;
    border-bottom:1px solid #f0f0f0;
  }
  .mega-item:last-child{
    border-bottom:none;
  }
  .nav-mobile-login{
    display:flex;
    gap:12px;
    padding:16px;
    border-top:1px solid #eee;
    margin-top:auto;
    flex-shrink:0;
    background:#fff;
  }
  .nav-mobile-login .btn-login{
    flex:1;
    padding:10px;
    text-align:center;
    background:#2563eb;
    color:#fff;
    border-radius:6px;
    text-decoration:none;
    font-size:14px;
    font-weight:600;
  }
  .nav-mobile-login .btn-register{
    flex:1;
    padding:10px;
    text-align:center;
    background:#f3f4f6;
    color:#333;
    border-radius:6px;
    text-decoration:none;
    font-size:14px;
    font-weight:600;
  }
}

/* 保留旧样式兼容 */
.navbar{
  width:100%;
  background:#fff;
  box-shadow:0 1px 4px rgba(0,0,0,0.08);
  position:sticky;
  top:0;
  z-index:9999;
}
.navbar.navbar-transparent{
  background:#fff;
}
.nav-inner{
  max-width:1480px;
  margin:0 auto;
  height:60px;
  display:none;
}

.banner-container{max-width:1480px;margin:12px auto;padding:0 15px;position:relative;width:100%}
/* 轮播图整体加高 PC端 */
.banner{border-radius:16px;overflow:hidden;position:relative;background:transparent;padding: 30px 0;}
.banner-slide{display:none;padding:20px 12px;grid-template-columns:1fr;align-items:center;gap:16px;animation:fadeIn .5s ease}
.banner-slide.active{display:grid}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

.banner-bg{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;pointer-events:none}
.banner-bg .curve{position:absolute;width:80%;height:80%;right:0;top:0;background:linear-gradient(135deg, rgba(64,128,255,0.2) 0%, rgba(153,85,255,0.1) 100%);border-radius:50% 0 0 50%;transform:translateX(20%)}

.banner-text .tag{display:inline-block;background:rgba(64,128,255,0.1);color:#1e40af;padding:6px 12px;border-radius:6px;font-size:14px;margin-bottom:16px}
.banner-text h1{font-size:28px;font-weight:bold;color:#1e293b;margin-bottom:16px;line-height:1.2}
.banner-text p{font-size:16px;color:#475569;margin-bottom:8px}
.banner-text .highlight{color:#2563eb;font-weight:600}
.register-btn{background:#2563eb;color:#fff;border:none;padding:12px 24px;border-radius:6px;font-size:16px;margin-top:20px}

.banner-visual{position:relative;height:280px;display:none;user-select:none}
.banner-visual *{pointer-events:none;user-select:none}
.cube{width:160px;height:160px;background:linear-gradient(135deg,#60a5fa,#2563eb);border-radius:8px;transform:rotate(15deg);position:absolute;right:40px;top:30px}
.gift-box{width:100px;height:100px;background:#fff;border:4px solid #60a5fa;border-radius:8px;position:absolute;left:40px;bottom:30px}
.gift-box::before{content:'';position:absolute;width:100%;height:20px;background:#fff;border:4px solid #60a5fa;top:50%;transform:translateY(-50%)}
.gift-box::after{content:'';position:absolute;width:20px;height:100%;background:#fff;border:4px solid #60a5fa;left:50%;transform:translateX(-50%)}
.percent-tag{width:100px;height:140px;background:#fff;border-radius:16px;position:absolute;right:30px;bottom:10px;display:flex;align-items:center;justify-content:center;font-size:50px;color:#2563eb}

.banner-indicators{display:flex;gap:8px;justify-content:center;padding:12px 0}
.indicator{
  width:24px;
  height:3px;
  border-radius:2px;
  background:#d1d5db;
  cursor:pointer;
  transition:all 0.3s ease;
}
.indicator.active{
  background:#2563eb;
  width:36px;
}

/* 顶部功能卡片 增加底部间距 */
.card-container{max-width:1480px;margin:0 auto 50px;padding:0 15px}
.feature-card-wrap{
  background:rgba(255,255,255,0.7);
  backdrop-filter:blur(10px);
  border-radius:8px;
  padding:16px 12px;
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}
.feature-card{
  padding:12px 16px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-bottom:1px solid #e2e8f0;
}
.feature-card:last-child{border-bottom:none}
.card-content{display:flex;align-items:center}
.card-content h3{
  font-size:15px;
  font-weight:normal;
  color:#333;
  margin-bottom:4px;
}
.card-content p{font-size:13px;color:#666}
.card-arrow{
  font-size:16px;
  color:#999;
}

.icon-1{color:#3b82f6;font-size:22px;margin-right:10px}
.icon-2{color:#8b5cf6;font-size:22px;margin-right:10px}
.icon-3{color:#ef4444;font-size:22px;margin-right:10px}
.icon-4{color:#3b82f6;font-size:22px;margin-right:10px}

/* ===================== 大模型聚合平台模块（独立背景 已修复） ===================== */
.model-platform-wrapper {
    max-width: 100%;
    margin: 0 auto;
    padding: 50px 15px;
}
@media (min-width: 769px) {
    .model-platform-wrapper {
        padding: 50px 75px;
    }
}
.model-platform-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
}
.platform-main-title {
    font-size: 24px;
    color: #111827;
    margin-bottom: 24px;
    text-align:center;
    line-height:1.3;
}
.platform-main-title .highlight {
    color: #2563eb;
    font-weight: 600;
}
.model-platform-section {
    display: grid;
    grid-template-columns: 30% 68%;
    gap: 24px;
    align-items: stretch;
    margin-bottom: 32px;
}
.section-left-link {
    display: block;
    text-decoration: none;
    height: 100%;
}
.section-left {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}
.left-visual-area {
    height: 220px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}
.left-visual-area img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}
.left-visual-area:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.left-title {
    font-size: 22px;
    color: #111827;
    font-weight: 600;
    margin-bottom: 8px;
    white-space: nowrap;
}
.left-desc {
    font-size: 16px;
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 16px;
}
.btn-experience {
    display: inline-block;
    padding: 12px 28px;
    background: #2563eb;
    color: #ffffff;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
}
.btn-experience:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37,99,235,0.3);
}
.section-right {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.right-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 16px;
    flex: 1;
}
.model-card-link {
    display: block;
    text-decoration: none;
    height: 100%;
}
.model-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 22px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e8edff;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.model-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.15);
}
.model-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.model-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items:center;
    justify-content: center;
    flex-shrink: 0;
    background: #f5f8ff;
}
.model-icon img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}
.model-name {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a2e;
    margin: 0;
}
.model-tag {
    font-size: 12px;
    color: #4f46e5;
    background: rgba(79, 70, 229, 0.1);
    padding: 3px 10px;
    border-radius: 12px;
    margin-left: auto;
    white-space: nowrap;
}
.model-desc {
    font-size: 15px;
    color: #555;
    line-height: 1.6;
    margin: 0;
    flex: 1;
}
.global-view-all {
    text-align: center;
}
.btn-view-all {
    display: inline-block;
    padding: 12px 36px;
    background: transparent;
    color: #9ca3af;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}
.btn-view-all:hover {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
    transform: translateY(-2px);
}
@media (max-width: 900px) {
    .model-platform-section {
        grid-template-columns: 1fr;
    }
    .right-grid {
        grid-template-columns: 1fr;
        grid-template-rows: unset;
    }
    .left-title {
        white-space: normal;
        font-size: 20px;
    }
    .left-visual-area {
        height: 180px;
    }
}

/* ===================== 云服务器全新设计 ===================== */
.cloud-section{
  width:100%;
  background:linear-gradient(180deg,#f0f7ff 0%,#e8f4fd 50%,#f0f7ff 100%);
  padding:20px 15px 0;
  position:relative;
  overflow:hidden;
}
.cloud-section::before{
  content:'';
  position:absolute;
  top:-120px;
  right:-120px;
  width:400px;
  height:400px;
  background:radial-gradient(circle,rgba(37,99,235,0.06) 0%,transparent 70%);
  border-radius:50%;
  pointer-events:none;
}
.cloud-section::after{
  content:'';
  position:absolute;
  bottom:-100px;
  left:-100px;
  width:350px;
  height:350px;
  background:radial-gradient(circle,rgba(139,92,246,0.05) 0%,transparent 70%);
  border-radius:50%;
  pointer-events:none;
}
.cloud-container{
  max-width:1480px;
  margin:0 auto;
  position:relative;
  z-index:1;
}

.cloud-hero{
  text-align:center;
  margin-bottom:36px;
}
.cloud-hero-content h2{
  font-size:32px;
  font-weight:800;
  color:#1e293b;
  margin-bottom:12px;
  line-height:1.3;
}
.cloud-highlight{
  background:linear-gradient(135deg,#2563eb,#7c3aed);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.cloud-hero-content p{
  font-size:16px;
  color:#64748b;
  max-width:600px;
  margin:0 auto 20px;
  line-height:1.6;
}
.cloud-hero-badge{
  display:inline-block;
  background:linear-gradient(135deg,#2563eb,#7c3aed);
  color:#fff;
  padding:8px 20px;
  border-radius:30px;
  font-size:14px;
  font-weight:500;
  margin-bottom:20px;
  box-shadow:0 4px 16px rgba(37,99,235,0.3);
}
.cloud-hero-badge i{
  margin-right:6px;
}
.cloud-hero-tags{
  display:flex;
  gap:24px;
  justify-content:center;
  flex-wrap:wrap;
  margin-top:4px;
}
.cloud-tag{
  font-size:14px;
  color:#475569;
  display:flex;
  align-items:center;
  gap:6px;
}
.cloud-tag i{
  color:#22c55e;
  font-size:16px;
}

.cloud-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  margin-bottom:36px;
}
@media(min-width:640px){
  .cloud-grid{grid-template-columns:repeat(2,1fr);}
}
@media(min-width:768px){
  .cloud-grid{grid-template-columns:repeat(3,1fr);}
}
@media(min-width:1024px){
  .cloud-grid{grid-template-columns:repeat(6,1fr);gap:16px;}
}

.cloud-card{
  background:#fff;
  border-radius:16px;
  padding:20px 14px;
  text-align:center;
  position:relative;
  overflow:hidden;
  border:1px solid #e2e8f0;
  transition:all 0.3s ease;
  display:flex;
  flex-direction:column;
}
.cloud-card:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 24px rgba(37,99,235,0.1);
  border-color:#bfdbfe;
}
.cloud-card-hot{
  border:2px solid #2563eb;
}
.cloud-card-hot:hover{
  box-shadow:0 16px 32px rgba(37,99,235,0.15);
}

.cloud-card-ribbon{
  position:absolute;
  top:10px;
  right:-26px;
  background:#94a3b8;
  color:#fff;
  font-size:9px;
  font-weight:600;
  padding:2px 28px;
  transform:rotate(45deg);
  letter-spacing:0.5px;
}
.ribbon-hot{
  background:linear-gradient(135deg,#f97316,#ef4444);
}
.ribbon-purple{
  background:linear-gradient(135deg,#8b5cf6,#6366f1);
}

.cloud-card-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:linear-gradient(135deg,#eff6ff,#e0e7ff);
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 10px;
  font-size:20px;
  color:#2563eb;
  transition:all 0.3s ease;
}
.cloud-card:hover .cloud-card-icon{
  background:linear-gradient(135deg,#2563eb,#7c3aed);
  color:#fff;
  transform:scale(1.05);
}

.cloud-card h3{
  font-size:14px;
  font-weight:700;
  color:#1e293b;
  margin-bottom:4px;
}

.cloud-card-desc{
  font-size:11px;
  color:#94a3b8;
  margin-bottom:10px;
  line-height:1.3;
}

.cloud-card-price{
  display:flex;
  align-items:baseline;
  justify-content:center;
  gap:2px;
  margin-bottom:10px;
  padding-bottom:10px;
  border-bottom:1px dashed #e2e8f0;
}
.cloud-price-symbol{
  font-size:14px;
  font-weight:700;
  color:#ef4444;
}
.cloud-price-num{
  font-size:28px;
  font-weight:800;
  color:#ef4444;
  line-height:1;
}
.cloud-price-unit{
  font-size:11px;
  color:#94a3b8;
  margin-left:2px;
}

.cloud-card-list{
  list-style:none;
  padding:0;
  margin:0 0 12px;
  text-align:left;
  flex:1;
}
.cloud-card-list li{
  display:flex;
  align-items:center;
  gap:6px;
  padding:4px 0;
  font-size:11px;
  color:#475569;
  line-height:1.3;
}
.cloud-card-list li:last-child{
  border-bottom:none;
}
.cloud-card-list li i{
  width:14px;
  text-align:center;
  color:#2563eb;
  font-size:10px;
  flex-shrink:0;
}

.cloud-card-btn{
  display:block;
  width:100%;
  padding:8px 12px;
  background:linear-gradient(135deg,#2563eb,#1d4ed8);
  color:#fff;
  border:none;
  border-radius:8px;
  font-size:12px;
  font-weight:600;
  cursor:pointer;
  text-decoration:none;
  transition:all 0.3s ease;
  text-align:center;
}
.cloud-card-btn:hover{
  background:linear-gradient(135deg,#1d4ed8,#1e40af);
  transform:translateY(-1px);
  box-shadow:0 4px 12px rgba(37,99,235,0.3);
}
.cloud-card-btn i{
  margin-left:4px;
  transition:transform 0.3s ease;
}
.cloud-card-btn:hover i{
  transform:translateX(3px);
}
.cloud-btn-hot{
  background:linear-gradient(135deg,#f97316,#ef4444);
}
.cloud-btn-hot:hover{
  background:linear-gradient(135deg,#ea580c,#dc2626);
  box-shadow:0 8px 20px rgba(249,115,22,0.35);
}

.cloud-features{
  display:none;
}

.cloud-cta{
  display:none;
}

.gpu-section{
  width:100%;
  background:#f8f8f9;
  padding:24px 15px;
  margin:0 auto;
}
.gpu-container{
  max-width:1480px;
  margin:0 auto;
}
.gpu-title{
  text-align:center;
  margin-bottom:16px;
}
.gpu-title h2{
  font-size:24px;
  color:#1e293b;
  margin-bottom:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  line-height:1.3;
  flex-wrap:wrap;
}
.gpu-tag{
  background:#ff9500;
  color:#fff;
  font-size:12px;
  padding:3px 8px;
  border-radius:6px;
  white-space:nowrap;
  flex-shrink:0;
}
.gpu-title p{
  font-size:14px;
  color:#666;
  max-width:1000px;
  margin:0 auto;
  line-height:1.4;
}

/* GPU TAB 移动端强制一行不换行 */
.gpu-price-tabs {
  display: flex;
  background: #fff;
  border-radius:10px;
  padding:6px;
  margin:0 auto 24px;
  justify-content:center;
  max-width:440px;
  box-shadow:0 2px 6px rgba(0,0,0,0.05);
  touch-action: manipulation;
  flex-wrap: nowrap !important;
  overflow: hidden;
}
.gpu-price-tab {
  padding:14px 22px;
  border-radius:8px;
  cursor:pointer;
  font-size:15px;
  color:#334155;
  transition:all 0.3s ease;
  white-space:nowrap;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  flex: 1;
  text-align: center;
}
.gpu-price-tab.active {
  background:#2563eb;
  color:#fff;
}

.gpu-cards{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
  max-width:1480px;
  margin:0 auto 20px;
}
.gpu-product-card{
  background:#fff;
  border-radius:16px;
  padding:24px;
  box-shadow:0 2px 6px rgba(0,0,0,0.05);
  transition:all 0.3s ease;
  border:1px solid #eee;
}
.gpu-product-card:hover{
  background:#f9fafb;
  border-color:#d1d5db;
  transform:translateY(-2px);
}
.gpu-product-card h3{
  font-size:16px;
  color:#1e293b;
  margin-bottom:8px;
}
.gpu-spec{
  font-size:13px;
  color:#666;
  margin-bottom:12px;
  padding-bottom:10px;
  border-bottom:1px solid #eee;
  white-space:normal;
  line-height:1.4;
}
.gpu-price{
  margin-bottom:12px;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.original-price{
  font-size:13px;
  color:#999;
  text-decoration:line-through;
  margin-bottom:4px;
}
.discount-price{
  font-size:20px;
  color:#ff4d4f;
  font-weight:bold;
}
.discount-tag{
  background:#ff6a00;
  color:#fff;
  font-size:11px;
  padding:2px 6px;
  border-radius:4px;
  margin-left:4px;
  display:inline-block;
}
.price-unit{
  font-size:13px;
  color:#ff4d4f;
  font-weight:normal;
  margin-left:4px;
}
.month-price{
  font-size:12px;
  color:#999;
  background:#fff3e0;
  padding:2px 6px;
  border-radius:12px;
  margin-left:4px;
}
.gpu-btn{
  width:100%;
  background:#2563eb;
  color:#fff;
  border:none;
  padding:12px 8px;
  border-radius:10px;
  font-size:14px;
  cursor:pointer;
  margin-bottom:12px;
  transition:all 0.3s ease;
}
.gpu-btn:hover{
  background:#1d4ed8;
}
.gpu-spec-list{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.spec-item{
  background:#f8f8f9;
  border-radius:8px;
  padding:8px 10px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:#333;
}

.more-btn-container {
  text-align:center;
  margin-top:16px;
  padding-top:8px;
}
.more-btn {
  display:inline-block;
  background:transparent;
  color:#2563eb;
  border:1px solid #2563eb;
  padding:12px 28px;
  border-radius:8px;
  font-size:15px;
  cursor:pointer;
  transition:all 0.3s ease;
}
.more-btn:hover {
  background:#eff6ff;
}

.solution-section {
  width:100%;
  background:#f0f7ff;
  padding:30px 15px;
  margin:0 auto;
}
.solution-container {
  max-width:1480px;
  margin:0 auto;
}
.solution-title {
  font-size:24px;
  color:#1e293b;
  font-weight:bold;
  margin-bottom:20px;
  padding:0 8px;
  text-align:center;
}
.solution-tabs {
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:6px;
  background:#fff;
  border-radius:8px;
  padding:6px;
  margin:0 auto 16px;
  max-width:500px;
  box-shadow:0 2px 6px rgba(0,0,0,0.05);
}
.solution-tab {
  padding:12px 10px;
  border-radius:6px;
  cursor:pointer;
  font-size:14px;
  color:#334155;
  transition:all 0.3s ease;
  white-space:nowrap;
  text-align:center;
}
.solution-tab.active {
  background:#2563eb;
  color:#fff;
}
.solution-content-wrap {
  background:#fff;
  border-radius:14px;
  padding:24px;
  margin:0 auto;
  box-shadow:0 2px 10px rgba(0,0,0,0.05);
  max-width:1480px;
}
.solution-content {
  display:none;
  grid-template-columns:1fr;
  gap:16px;
  align-items:flex-start;
}
.solution-content.active {
  display:grid;
}
.solution-text {
  padding:4px;
}
.solution-text h3 {
  font-size:18px;
  color:#1e293b;
  margin-bottom:14px;
  font-weight:bold;
}
.solution-text .desc {
  font-size:15px;
  color:#475569;
  line-height:1.6;
  margin-bottom:16px;
}
.solution-text h4 {
  font-size:16px;
  color:#1e293b;
  margin-bottom:10px;
  font-weight:bold;
}
.solution-advantages {
  list-style:none;
  margin-bottom:16px;
}
.solution-advantages li {
  font-size:14px;
  color:#475569;
  line-height:1.5;
  margin-bottom:6px;
  padding-left:20px;
  position:relative;
}
.solution-advantages li::before {
  content:'✓';
  position:absolute;
  left:0;
  color:#2563eb;
  font-weight:bold;
}
.consult-btn {
  background:#2563eb;
  color:#fff;
  border:none;
  padding:11px 24px;
  border-radius:6px;
  font-size:15px;
  cursor:pointer;
  display:inlin-flex;
  align-items:center;
  gap:8px;
  transition:all 0.3s ease;
}
.consult-btn:hover {
  background:#1d4ed8;
}
.solution-visual {
  width:100%;
  height: auto;
  min-height: 200px;
  background:#f8fafc;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#64748b;
  font-size:14px;
  border:1px dashed #e2e8f0;
  overflow:hidden;
  order:99;
}
.solution-img-placeholder {
  width:100%;
  height: auto;
  display: block;
  object-fit:contain;
}

.news-section {
  width:100%;
  background-image:url(/static/default/images/bg5.jpg);
  background-size:cover;
  background-position:center;
  background-attachment:fixed;
  background-repeat:no-repeat;
  padding:24px 15px 60px;
  margin:0 auto;
}
.news-container {
  max-width:1480px;
  margin:0 auto;
}
.news-header {
  text-align:center;
  margin-bottom:20px;
}
.news-header h1 {
  font-size:24px;
  color:#1f2937;
  margin-bottom:10px;
}
.news-header h1 span {
  color:#007bff;
}
.news-header p {
  font-size:14px;
  color:#6b7280;
}
.news-tabs {
  display:flex;
  justify-content:center;
  margin-bottom:20px;
  max-width:280px;
  margin-left:auto;
  margin-right:auto;
}
.news-tab-item {
  padding:8px 18px;
  font-size:14px;
  border:none;
  cursor:pointer;
  transition:all 0.3s;
}
.news-tab-item.active {
  background-color:#007bff;
  color:#fff;
  border-radius:4px 0 0 4px;
}
.news-tab-item:not(.active) {
  background-color:#fff;
  color:#333;
  border-radius:0 4px 4px 0;
}

.news-faq-grid {
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
}
.news-faq-item {
  display:flex;
  background-color:#fff;
  border-radius:4px;
  overflow:hidden;
  transition:all 0.3s;
  cursor:pointer;
  text-decoration:none;
}
.news-faq-item:hover {
  box-shadow:0 4px 10px rgba(0,123,255,0.12);
  transform:translateY(-2px);
}
.news-faq-number {
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  width:64px;
  background-color:#fff;
  color:#9ca3af;
  padding:8px 4px;
  transition:all 0.3s;
  border-right:1px solid #eee;
}
.news-faq-number .num {
  font-size:22px;
  font-weight:bold;
  margin-bottom:2px;
}
.news-faq-number .date {
  font-size:11px;
  line-height:1.2;
  text-align:center;
}
.news-faq-content {
  flex:1;
  padding:10px 12px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.news-faq-content h3 {
  font-size:15px;
  color:#1f2937;
  margin-bottom:4px;
  font-weight:500;
  line-height:1.4;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
  height:1.4em;
}
.news-faq-content p {
  font-size:12px;
  color:#9ca3af;
  line-height:1.4;
  display:-webkit-box;
  -webkit-box-orient:vertical;
  overflow:hidden;
  height:1.4em;
}
.news-tab-content {
  display:none;
}
.news-tab-content.active {
  display:block;
}

@media(max-width:768px){
  .news-faq-grid .news-faq-item:nth-child(n+5){
    display:none;
  }
}

.footer {
  width: 100%;
  background: #0f172a;
  color: #fff;
  display: flex;
  flex-direction: column;
}

/* 主内容区 */
.footer-main {
  padding: 40px 40px 20px;
}
.footer-main-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 60px;
}

/* 品牌区 */
.footer-brand {
  flex: 0 0 260px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-logo-img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
}
.footer-logo-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
}
.footer-logo-text {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}
.footer-slogan {
  font-size: 14px;
  color: #60a5fa;
  font-weight: 500;
  margin-bottom: 12px;
}
.footer-desc {
  font-size: 13px;
  color: #64748b;
  line-height: 1.8;
  margin-bottom: 24px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #94a3b8;
}
.footer-contact-item svg {
  flex-shrink: 0;
  color: #3b82f6;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social-link {
  width: 36px;
  height: 36px;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  transition: all 0.3s;
}
.footer-social-link:hover {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}

/* 链接区 */
.footer-links-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: #f1f5f9;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 20px;
  height: 2px;
  background: #2563eb;
  border-radius: 1px;
}
.footer-col-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col-links li a {
  font-size: 13px;
  color: #64748b;
  text-decoration: none;
  transition: all 0.3s;
  display: inline-block;
}
.footer-col-links li a:hover {
  color: #60a5fa;
  transform: translateX(3px);
}

/* 信任栏 */
.footer-trust {
  border-top: 1px solid #1e293b;
  background: #0c1220;
  padding: 18px 40px;
}
.footer-trust-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-trust-badges {
  display: flex;
  gap: 28px;
}
.footer-badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #64748b;
}
.footer-badge-item svg {
  color: #3b82f6;
}
.footer-partners {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}
.footer-partner-label {
  color: #475569;
}
.footer-partner-name {
  color: #94a3b8;
  font-weight: 500;
}
.footer-partner-dot {
  color: #334155;
  font-size: 10px;
}

/* 底部版权栏 */
.footer-bottom {
  border-top: 1px solid #1e293b;
  background: #0c1220;
  padding: 18px 40px;
}
.footer-bottom-container {
  max-width: 1480px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom-left {
  font-size: 12px;
  color: #475569;
}
.footer-bottom-right {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  flex-wrap: wrap;
}
.footer-bottom-right a {
  color: #475569;
  text-decoration: none;
  transition: color 0.3s;
}
.footer-bottom-right a:hover {
  color: #94a3b8;
}
.footer-bottom-divider {
  color: #334155;
  margin: 0 2px;
}

/* ===================== 活动入口卡片（新增） ===================== */
.promo-section {
  max-width: 1480px;
  margin: 0 auto 30px;
  padding: 0 15px;
}
.promo-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.promo-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border-radius: 10px;
  padding: 14px 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  cursor: pointer;
  transition: all 0.3s ease;
}
.promo-card:hover {
  box-shadow: 0 4px 14px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.promo-icon {
  font-size: 28px;
  flex-shrink: 0;
}
.promo-info {
  flex: 1;
}
.promo-info h3 {
  font-size: 15px;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 2px;
}
.promo-info p {
  font-size: 12px;
  color: #6b7280;
}
.promo-arrow {
  font-size: 16px;
  color: #9ca3af;
}
@media(min-width: 769px) {
  .promo-container {
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
  }
}

/* ===================== GPU云服务器新卡片 ===================== */
.gpu-tag-new {
  display: inline-block;
  font-size: 14px;
  background: linear-gradient(90deg, #f97316, #ef4444);
  color: #fff;
  padding: 2px 12px;
  border-radius: 20px;
  font-weight: 500;
  margin-left: 8px;
}
.gpu-env-tags {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.env-tag {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 20px;
  font-size: 13px;
  background: #f3f4f6;
  color: #6b7280;
  cursor: pointer;
  transition: all 0.3s ease;
}
.env-tag.active, .env-tag:hover {
  background: #2563eb;
  color: #fff;
}
.gpu-cards-new {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 1480px;
  margin: 0 auto;
}
@media(min-width: 640px) {
  .gpu-cards-new {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media(min-width: 1024px) {
  .gpu-cards-new {
    grid-template-columns: repeat(4, 1fr);
  }
}
.gpu-new-card {
  background: #fff;
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  border: 1px solid #eef2f6;
  position: relative;
  transition: all 0.3s ease;
}
.gpu-new-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  border-color: #dbe4f0;
}
.gpu-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.gpu-card-header h3 {
  font-size: 17px;
  font-weight: 600;
  color: #111827;
}
.gpu-badge {
  font-size: 11px;
  background: #dbeafe;
  color: #1d4ed8;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
}
.badge-orange {
  background: #fef3c7;
  color: #d97706;
}
.gpu-card-spec {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f3f4f6;
}
.gpu-card-price {
  margin-bottom: 12px;
}
.price-original {
  font-size: 13px;
  color: #9ca3af;
  text-decoration: line-through;
  margin-bottom: 2px;
}
.price-current {
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.price-current .price-num {
  font-size: 26px;
  font-weight: 700;
  color: #ef4444;
}
.price-current .price-unit {
  font-size: 14px;
  color: #ef4444;
}
.price-month {
  font-size: 12px;
  color: #6b7280;
  margin-top: 2px;
}
.gpu-card-btn {
  width: 100%;
  padding: 10px;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 12px;
}
.gpu-card-btn:hover {
  background: #1d4ed8;
}
.gpu-card-specs {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: #6b7280;
}
.gpu-free-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #fef2f2;
  color: #ef4444;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 8px;
  font-weight: 500;
}
.gpu-card-more {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.gpu-more-content {
  padding: 20px;
}
.gpu-more-content .more-icon {
  font-size: 32px;
  color: #2563eb;
  margin-bottom: 8px;
}
.gpu-more-content h3 {
  font-size: 16px;
  color: #2563eb;
  margin-bottom: 4px;
}
.gpu-more-content p {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 12px;
}

/* ===================== 互联网数据中心 ===================== */
.idc-section{
  width:100%;
  background:linear-gradient(180deg,#0f172a 0%,#1e293b 50%,#0f172a 100%);
  padding:20px 15px;
  position:relative;
  overflow:hidden;
  color:#fff;
}
.idc-section::before{
  content:'';position:absolute;top:-100px;right:-100px;width:400px;height:400px;
  background:radial-gradient(circle,rgba(59,130,246,0.1) 0%,transparent 70%);border-radius:50%;pointer-events:none;
}
.idc-section::after{
  content:'';position:absolute;bottom:-80px;left:-80px;width:350px;height:350px;
  background:radial-gradient(circle,rgba(139,92,246,0.08) 0%,transparent 70%);border-radius:50%;pointer-events:none;
}
.idc-container{max-width:1480px;margin:0 auto;position:relative;z-index:1;}

.idc-hero{text-align:center;margin-bottom:40px;}
.idc-hero-content h2{font-size:30px;font-weight:800;color:#fff;margin-bottom:10px;line-height:1.3;}
.idc-highlight{
  background:linear-gradient(135deg,#60a5fa,#a78bfa);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.idc-hero-content p{font-size:15px;color:#94a3b8;max-width:600px;margin:0 auto 16px;line-height:1.6;}
.idc-hero-badge{
  display:inline-block;background:linear-gradient(135deg,rgba(59,130,246,0.2),rgba(139,92,246,0.2));
  border:1px solid rgba(96,165,250,0.3);color:#93c5fd;padding:7px 18px;border-radius:30px;
  font-size:13px;font-weight:500;margin-bottom:16px;
}
.idc-hero-badge i{margin-right:5px;}
.idc-hero-tags{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;}
.idc-tag{font-size:13px;color:#cbd5e1;display:flex;align-items:center;gap:5px;}
.idc-tag i{color:#34d399;font-size:15px;}

.idc-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:640px){.idc-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.idc-grid{grid-template-columns:repeat(4,1fr);gap:22px;}}

.idc-card{
  background:linear-gradient(145deg,rgba(30,41,59,0.9),rgba(15,23,42,0.95));
  border:1px solid rgba(59,130,246,0.2);border-radius:18px;padding:28px 22px;
  position:relative;transition:all 0.4s cubic-bezier(0.175,0.885,0.32,1.275);display:flex;flex-direction:column;
}
.idc-card:hover{
  transform:translateY(-8px);border-color:rgba(96,165,250,0.5);
  box-shadow:0 20px 40px rgba(37,99,235,0.2);
}
.idc-card-hot{border:2px solid rgba(96,165,250,0.4);}
.idc-card-hot:hover{box-shadow:0 24px 48px rgba(37,99,235,0.25);}
.idc-card-hot-tag{
  position:absolute;top:14px;right:14px;background:linear-gradient(135deg,#f97316,#ef4444);
  color:#fff;font-size:11px;font-weight:600;padding:3px 10px;border-radius:10px;
}

.idc-card-icon{
  width:56px;height:56px;border-radius:14px;
  background:linear-gradient(135deg,rgba(59,130,246,0.2),rgba(139,92,246,0.2));
  display:flex;align-items:center;justify-content:center;font-size:24px;color:#60a5fa;
  margin-bottom:16px;transition:all 0.3s ease;
}
.idc-card:hover .idc-card-icon{
  background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:#fff;transform:scale(1.08) rotate(-3deg);
}
.idc-card h3{font-size:18px;font-weight:700;color:#f1f5f9;margin-bottom:8px;}
.idc-card-desc{font-size:13px;color:#94a3b8;line-height:1.6;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid rgba(71,85,105,0.3);flex:1;}

.idc-card-price{display:flex;align-items:baseline;gap:2px;margin-bottom:18px;}
.idc-price-symbol{font-size:18px;font-weight:700;color:#f97316;}
.idc-price-num{font-size:36px;font-weight:800;color:#f97316;line-height:1;}
.idc-price-unit{font-size:13px;color:#94a3b8;margin-left:4px;}

.idc-card-list{list-style:none;padding:0;margin:0 0 20px;}
.idc-card-list li{font-size:13px;color:#cbd5e1;padding:5px 0;display:flex;align-items:center;gap:8px;}
.idc-card-list li i{color:#34d399;font-size:12px;flex-shrink:0;}

.idc-card-btn{
  display:block;width:100%;padding:12px;text-align:center;
  background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border:none;border-radius:10px;
  font-size:14px;font-weight:600;text-decoration:none;transition:all 0.3s ease;
}
.idc-card-btn:hover{
  background:linear-gradient(135deg,#2563eb,#1d4ed8);transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(37,99,235,0.35);
}
.idc-card-btn i{margin-left:5px;transition:transform 0.3s ease;}
.idc-card-btn:hover i{transform:translateX(3px);}
.idc-btn-hot{background:linear-gradient(135deg,#f97316,#ef4444);}
.idc-btn-hot:hover{background:linear-gradient(135deg,#ea580c,#dc2626);box-shadow:0 8px 20px rgba(249,115,22,0.35);}

/* ===================== 裸金属服务器 ===================== */
.baremetal-section {
  width: 100%;
  padding: 50px 15px;
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.baremetal-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(59,130,246,0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 70%, rgba(139,92,246,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.baremetal-container {
  max-width: 1480px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.baremetal-header {
  text-align: center;
  margin-bottom: 50px;
}
.baremetal-header h2 {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 2px;
  position: relative;
  display: inline-block;
}
.baremetal-header h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  border-radius: 2px;
}
.baremetal-header p {
  font-size: 18px;
  color: #94a3b8;
  margin-top: 24px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}
.baremetal-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
}
.bm-tab {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
  cursor: pointer;
  background: rgba(255,255,255,0.1);
  color: #94a3b8;
  transition: all 0.3s ease;
}
.bm-tab.active, .bm-tab:hover {
  background: #2563eb;
  color: #fff;
}
.bm-sub-title {
  text-align: center;
  margin-bottom: 12px;
}
.bm-sub-title h3 {
  font-size: 22px;
  color: #fff;
  margin-bottom: 4px;
}
.bm-sub-title p {
  font-size: 14px;
  color: #94a3b8;
}
.bm-desc {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 24px;
}
.bm-desc p {
  font-size: 14px;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 12px;
}
.bm-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 16px;
}
.bm-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(37,99,235,0.2);
  border: 1px solid rgba(37,99,235,0.3);
  border-radius: 16px;
  font-size: 12px;
  color: #93c5fd;
}
.bm-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}
.bm-btn-primary {
  padding: 10px 28px;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.bm-btn-primary:hover {
  background: #1d4ed8;
}
.bm-btn-outline {
  padding: 10px 28px;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.bm-btn-outline:hover {
  border-color: #2563eb;
  color: #2563eb;
}
.bm-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 40px;
}
@media(min-width: 768px) {
  .bm-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media(max-width: 767px) {
  .bm-card {
    margin-bottom: 20px;
  }
}
.bm-card {
  background: linear-gradient(145deg, rgba(30,41,59,0.9) 0%, rgba(15,23,42,0.95) 100%);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 20px;
  padding: 28px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
}
.bm-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}
.bm-card::after {
  content: '';
  position: absolute;
  top: -100%;
  left: -100%;
  width: 300%;
  height: 300%;
  background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.bm-card:hover {
  border-color: rgba(59,130,246,0.6);
  background: linear-gradient(145deg, rgba(37,99,235,0.2) 0%, rgba(15,23,42,0.98) 100%);
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 25px 50px rgba(37,99,235,0.25), 0 0 0 1px rgba(59,130,246,0.4);
}
.bm-card:hover::before {
  opacity: 1;
}
.bm-card:hover::after {
  opacity: 1;
}
.bm-card-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.bm-card-badge {
  display: inline-block;
  padding: 4px 12px;
  background: linear-gradient(135deg, rgba(59,130,246,0.25), rgba(59,130,246,0.1));
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  color: #93c5fd;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.bm-badge-ascend {
  background: linear-gradient(135deg, rgba(239,68,68,0.25), rgba(239,68,68,0.1));
  border-color: rgba(239,68,68,0.3);
  color: #fca5a5;
}
.bm-card-title {
  font-size: 20px;
  font-weight: 700;
  color: #f8fafc;
  letter-spacing: 0.5px;
}
.bm-card-sub {
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 10px;
}
.bm-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 12px;
}
.bm-card-tags span {
  font-size: 11px;
  padding: 2px 8px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  color: #cbd5e1;
}
.bm-card-price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 2px solid rgba(59,130,246,0.2);
  position: relative;
}
.bm-card-price::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
}
.bm-price-unit {
  font-size: 22px;
  font-weight: 700;
  color: #f97316;
  margin-right: 2px;
}
.bm-price-original {
  font-size: 16px;
  color: #6b7280;
  text-decoration: line-through;
}
.bm-price-current {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, #f97316 0%, #fbbf24 50%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 40px rgba(249,115,22,0.3);
  margin-right: 4px;
}
.bm-price-current::after {
  content: '/月';
  font-size: 16px;
  font-weight: 500;
  background: linear-gradient(135deg, #94a3b8, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-left: 6px;
}
.bm-price-badge {
  font-size: 11px;
  background: rgba(249,115,22,0.2);
  color: #fb923c;
  padding: 2px 8px;
  border-radius: 8px;
}
.bm-card-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #3b82f6, #6d28d9);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
}
.bm-card-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.6s ease;
}
.bm-card-btn:hover::before {
  left: 100%;
}
.bm-card-btn:hover {
  background: linear-gradient(135deg, #2563eb, #5b21b6);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,0.4);
}
.bm-card-btn i {
  font-size: 14px;
}
.bm-card-specs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 8px;
}
.bm-specs-group {
  background: rgba(30,41,59,0.7);
  border-radius: 14px;
  padding: 16px;
  border: 1px solid rgba(71,85,105,0.3);
  transition: all 0.3s ease;
  position: relative;
}
.bm-specs-group:hover {
  background: rgba(37,99,235,0.12);
  border-color: rgba(59,130,246,0.4);
  transform: translateX(4px);
}
.bm-specs-label {
  font-size: 12px;
  font-weight: 700;
  color: #60a5fa;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(59,130,246,0.2);
}
.bm-specs-label i {
  font-size: 14px;
  color: #93c5fd;
}
.bm-specs-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(71,85,105,0.15);
  transition: all 0.2s ease;
}
.bm-specs-row:last-child {
  border-bottom: none;
}
.bm-specs-row:hover {
  padding-left: 6px;
}
.bm-specs-row span:first-child {
  color: #94a3b8;
  font-weight: 500;
  min-width: 60px;
}
.bm-specs-row span:last-child {
  color: #e2e8f0;
  font-weight: 600;
  text-align: right;
  flex: 1;
  margin-left: 20px;
}
.bm-card-link {
  font-size: 12px;
  color: #60a5fa;
  cursor: pointer;
  text-align: center;
}

/* ===================== 模型API服务 ===================== */
.api-section {
  width: 100%;
  padding: 24px 15px 16px;
  background: #f8fafc;
}
.api-container {
  max-width: 1480px;
  margin: 0 auto;
}
.api-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: center;
  margin-bottom: 40px;
}
@media(min-width: 768px) {
  .api-hero {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}
.api-hero-left h2 {
  font-size: 30px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 12px;
}
.api-hero-sub {
  font-size: 16px;
  color: #6b7280;
  line-height: 1.7;
  margin-bottom: 24px;
}
.api-hero-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 28px;
}
.api-stat {
  display: flex;
  flex-direction: column;
}
.api-stat-num {
  font-size: 28px;
  font-weight: 700;
  color: #2563eb;
}
.api-stat-label {
  font-size: 13px;
  color: #9ca3af;
}
.api-hero-btns {
  display: flex;
  gap: 12px;
}
.api-btn-primary {
  display: inline-block;
  padding: 12px 28px;
  background: #2563eb;
  color: #fff;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
}
.api-btn-primary:hover {
  background: #1d4ed8;
}
.api-btn-outline {
  display: inline-block;
  padding: 12px 28px;
  background: transparent;
  color: #2563eb;
  border: 1px solid #2563eb;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
}
.api-btn-outline:hover {
  background: #eff6ff;
}

.api-code-block {
  background: #0f172a;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.api-code-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.06);
}
.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.code-dot.red { background: #ef4444; }
.code-dot.yellow { background: #f59e0b; }
.code-dot.green { background: #22c55e; }
.code-title {
  margin-left: 8px;
  font-size: 12px;
  color: #94a3b8;
}
.api-code {
  padding: 20px;
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: #e2e8f0;
  font-family: 'Courier New', monospace;
  overflow-x: auto;
}
.api-code code {
  font-family: inherit;
}
.code-kw { color: #c084fc; }
.code-str { color: #86efac; }

.api-features-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
@media(min-width: 768px) {
  .api-features-row {
    grid-template-columns: repeat(4, 1fr);
  }
}
.api-feat-item {
  text-align: center;
  padding: 20px 16px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid #eef2f6;
  transition: all 0.3s ease;
}
.api-feat-item:hover {
  border-color: #bfdbfe;
  box-shadow: 0 4px 14px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}
.api-feat-icon {
  font-size: 32px;
  margin-bottom: 10px;
}
.api-feat-item h4 {
  font-size: 15px;
  color: #111827;
  font-weight: 600;
  margin-bottom: 6px;
}
.api-feat-item p {
  font-size: 13px;
  color: #6b7280;
  line-height: 1.5;
}

.api-sub-title {
  text-align: center;
  margin-bottom: 8px;
}
.api-sub-title h3 {
  font-size: 20px;
  color: #1e293b;
  font-weight: 600;
}
.api-sub-desc {
  font-size: 14px;
  color: #6b7280;
  margin-top: 6px;
}

.api-model-group {
  max-width: 1200px;
  margin: 0 auto 20px;
}
.api-group-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e2e8f0;
}
.api-group-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
}
.tag-domestic {
  background: #eff6ff;
  color: #2563eb;
}
.tag-international {
  background: #f0fdf4;
  color: #16a34a;
}

.model-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  background: #f3f4f6;
  color: #6b7280;
  padding: 1px 7px;
  border-radius: 8px;
  vertical-align: middle;
  margin-left: 2px;
}
.tag-price {
  font-size: 13px !important;
  color: #ef4444 !important;
  font-weight: 600 !important;
  margin-top: 6px;
  display: block;
}

.api-models {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto;
}
@media(min-width: 640px) {
  .api-models {
    grid-template-columns: repeat(4, 1fr);
  }
}
.api-model-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  background: #fff;
  border-radius: 14px;
  padding: 18px 16px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid #eef2f6;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.api-model-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  border-color: #dbe4f0;
}
.api-model-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
  flex-shrink: 0;
}
.api-model-info h4 {
  font-size: 15px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 6px;
}
.api-model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.api-model-tags span {
  display: inline-block;
  font-size: 11px;
  color: #6b7280;
  line-height: 1.4;
  background: #f8f9fa;
  padding: 2px 8px;
  border-radius: 10px;
}

/* ===================== 平台优势 ===================== */
.advantages-section {
  width: 100%;
  padding: 40px 15px;
  background: #fff;
}
.advantages-container {
  max-width: 1480px;
  margin: 0 auto;
}
.advantages-container > h2 {
  font-size: 24px;
  color: #111827;
  text-align: center;
  margin-bottom: 24px;
}
.adv-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 14px;
  margin-bottom: 30px;
}
@media(min-width: 640px) {
  .adv-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.adv-card {
  background: #f8fafc;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  transition: all 0.3s ease;
}
.adv-card:hover {
  background: #eff6ff;
  transform: translateY(-2px);
}
.adv-icon {
  font-size: 36px;
  margin-bottom: 8px;
}
.adv-card h3 {
  font-size: 18px;
  color: #111827;
  margin-bottom: 6px;
}
.adv-card p {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.5;
}
.adv-sub-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 30px;
}
@media(min-width: 768px) {
  .adv-sub-section {
    grid-template-columns: repeat(2, 1fr);
  }
}
.adv-sub {
  background: #f8fafc;
  border-radius: 12px;
  padding: 20px;
}
.adv-sub h3 {
  font-size: 16px;
  color: #111827;
  margin-bottom: 8px;
}
.adv-sub p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.7;
}
.adv-delivery {
  margin-top: 8px;
}
.adv-delivery > h3 {
  font-size: 20px;
  color: #111827;
  text-align: center;
  margin-bottom: 6px;
}
.adv-delivery > p {
  font-size: 14px;
  color: #6b7280;
  text-align: center;
  margin-bottom: 20px;
}
.delivery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media(min-width: 768px) {
  .delivery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.delivery-card {
  background: #f8fafc;
  border-radius: 14px;
  padding: 24px;
  border: 1px solid #eef2f6;
  transition: all 0.3s ease;
}
.delivery-card:hover {
  border-color: #bfdbfe;
  box-shadow: 0 4px 14px rgba(0,0,0,0.06);
}
.delivery-icon {
  font-size: 36px;
  margin-bottom: 10px;
}
.delivery-card h4 {
  font-size: 17px;
  color: #111827;
  margin-bottom: 8px;
}
.delivery-card p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 12px;
}
.delivery-card ul {
  list-style: none;
}
.delivery-card ul li {
  font-size: 13px;
  color: #6b7280;
  padding: 4px 0;
  padding-left: 18px;
  position: relative;
}
.delivery-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #2563eb;
  font-weight: bold;
}

/* ===================== 最新资讯替代版 ===================== */
.news-section-alt {
  width: 100%;
  padding: 40px 15px 36px;
  background: #f8fafc;
}
.news-alt-container {
  max-width: 1480px;
  margin: 0 auto;
}
.news-alt-header {
  text-align: center;
  margin-bottom: 24px;
}
.news-alt-header h2 {
  font-size: 24px;
  color: #111827;
  margin-bottom: 6px;
}
.news-alt-header h2 span {
  font-size: 16px;
  color: #6b7280;
  font-weight: 400;
}
.news-alt-header p {
  font-size: 14px;
  color: #6b7280;
}
.news-alt-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 20px;
}
@media(min-width: 768px) {
  .news-alt-list {
    grid-template-columns: repeat(2, 1fr);
  }
}
.news-alt-item {
  display: flex;
  gap: 16px;
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid #eef2f6;
}
.news-alt-item:hover {
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  transform: translateY(-2px);
  border-color: #bfdbfe;
}
.news-alt-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 50px;
}
.news-alt-day {
  font-size: 22px;
  font-weight: 700;
  color: #2563eb;
  line-height: 1;
}
.news-alt-month {
  font-size: 11px;
  color: #9ca3af;
}
.news-alt-content {
  flex: 1;
}
.news-alt-content h3 {
  font-size: 15px;
  font-weight: 500;
  color: #1e293b;
  margin-bottom: 4px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-alt-content p {
  font-size: 13px;
  color: #9ca3af;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-alt-more {
  text-align: center;
}
.news-alt-more a {
  display: inline-block;
  padding: 10px 32px;
  color: #2563eb;
  text-decoration: none;
  border: 1px solid #2563eb;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s ease;
}
.news-alt-more a:hover {
  background: #2563eb;
  color: #fff;
}

/* banner tab overrides removed */

@media(min-width: 769px) {
  .promo-section { padding: 0 75px; }
  .baremetal-section { padding-left: 75px; padding-right: 75px; }
  .api-section { padding-left: 75px; padding-right: 75px; }
  .advantages-section { padding-left: 75px; padding-right: 75px; }
  .news-section-alt { padding-left: 75px; padding-right: 75px; }
}

@media(max-width: 768px) {
  .gpu-card-price .price-current .price-num {
    font-size: 22px;
  }
  .baremetal-header h2 {
    font-size: 20px;
  }
}

/* ========== 悬浮客服组件 ========== */
.kefu {
  position: fixed;
  right: 5px;
  top: 20%;
  text-align: center;
  z-index: 999999;
}
.kefu-avatar {
  position: relative;
  cursor: pointer;
  display: inline-block;
}
.kefu-avatar span {
  background: #de3127;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  text-align: center;
  line-height: 20px;
  position: absolute;
  right: 0;
  top: 0;
  color: #fff;
  font-size: 12px;
  font-style: normal;
}
.kefu-avatar img {
  width: 68px;
  display: block;
}
.kefu-avatar::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(42, 76, 204, 0.35);
  animation: kefu-breathe 2s ease-in-out infinite;
  pointer-events: none;
}
@keyframes kefu-breathe {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.2); opacity: 0; }
}
.kefu ul {
  padding: 0;
  margin: 0;
  list-style: none;
}
.kefu li {
  width: 58px;
  background: #e4eaff;
  border-radius: 5px;
  text-align: center;
  padding: 10px 5px;
  margin-top: 10px;
  position: relative;
  list-style: none;
  cursor: pointer;
  transition: all 0.3s;
}
.kefu li i {
  font-size: 28px;
  color: #2a4ccc;
  display: inline-block;
}
.kefu li p {
  font-size: 12px;
  color: #2a4ccc;
  margin-top: 2px;
  line-height: 1.3;
}
.kefu li:hover {
  background: #2a4ccc;
}
.kefu li:hover > i {
  color: #fff;
}
.kefu li:hover > p {
  color: #fff;
}
.kefu-box {
  position: absolute;
  left: 0;
  bottom: 0;
  transform: translateX(-100%);
  width: 240px;
  text-align: center;
  z-index: 9;
  display: none;
  padding-right: 8px;
}
.kefu-con {
  background: url(/static/default/images/kefu-bg.png) #ffffff;
  padding: 25px 0;
  box-shadow: 0 0 10px rgba(42, 76, 204, 0.25);
  width: 96%;
  border-radius: 4px;
}
.kefu-title {
  text-align: left;
  font-size: 22px;
  color: #313339;
  margin-left: 20px;
}
.kefu-vx {
  margin-top: 25px;
}
.kefu-vx img {
  width: 160px;
}
.kefu-vx p {
  font-size: 16px;
  color: #8890af !important;
  line-height: 2;
  text-align: center;
  margin: 0;
}
.kefu li:hover .kefu-box {
  display: block;
}
.kefu li:first-child .kefu-con,
.kefu li:nth-child(2) .kefu-con {
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}
.kefu li:first-child .kefu-con .kefu-title,
.kefu li:nth-child(2) .kefu-con .kefu-title {
  margin-left: 0;
  text-align: center;
  margin-bottom: 8px;
}
.kefu li:first-child .kefu-con .kefu-vx,
.kefu li:nth-child(2) .kefu-con .kefu-vx {
  margin-top: 0;
}
.kefu li:first-child .kefu-box,
.kefu li:nth-child(2) .kefu-box {
  bottom: auto;
  top: -50px;
}
.kefu li:nth-child(3) .kefu-box {
  bottom: auto;
  top: 0;
}
.kefu-con-phone {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  width: auto;
  min-height: 80px;
  border-radius: 4px;
}
.kefu-con-phone > i {
  font-size: 28px;
  color: #2a4ccc;
  flex-shrink: 0;
}
.kefu-phone-title {
  font-size: 15px;
  color: #333;
  font-weight: 500;
  margin: 0;
  text-align: left;
  line-height: 1.4;
}
.kefu-phone-num {
  font-size: 16px;
  color: #666;
  margin: 0;
  text-align: left;
  line-height: 1.4;
  white-space: nowrap;
}
@media (max-width: 768px) {
  .kefu { top: auto; bottom: 80px; right: 8px; }
  .kefu-avatar img { width: 56px; }
  .kefu ul { display: flex; flex-direction: column; gap: 6px; }
  .kefu li { width: 56px; padding: 6px 0; margin-top: 0; display: flex; flex-direction: column; align-items: center; }
  .kefu li i { font-size: 22px; }
  .kefu li p { font-size: 10px; margin-top: 2px; }
  .kefu-box { width: 200px; }
  .kefu-phone-num { font-size: 14px; }
  .kefu-vx img { width: 130px; }
}

@media (min-width: 769px) {
  .top-banner { padding: 0 75px; }
  .navbar { padding: 0 75px; }
  .banner-container { padding: 0 75px; }
  .card-container { padding: 0 75px; }
  .gpu-section { padding-left: 75px; padding-right: 75px; }
  .solution-section { padding-left: 75px; padding-right: 75px; }
  .news-section { padding-left: 75px; padding-right: 75px; padding-bottom: 80px; }
}

@media(max-width:768px){
  .top-banner {
    font-size: 12px;
    padding: 0 50px 0 10px;
    justify-content: flex-start;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
  }
  .top-banner .banner-text{
    display: inline;
  }
  .top-banner .banner-link{
    display: none;
  }
  .top-banner .close-btn {
    right: 8px;
    font-size: 18px;
  }
  .solution-content{grid-template-columns:1fr;}
  .solution-visual{order:99;margin-top:16px;}
  .news-faq-grid{grid-template-columns:1fr;gap:10px;}
  
}

@media(min-width:768px){
  .banner-slide{grid-template-columns:1fr 1fr;}
  .banner-visual{display:block;}
  .gpu-cards{grid-template-columns:repeat(4,1fr);}
  .logo{font-size:20px;}
  .logo-img{width:36px;height:36px;}
  .solution-content{grid-template-columns:1fr 1.5fr;}
  .footer-links-grid { grid-template-columns: repeat(4, 1fr); }
  .news-faq-grid{grid-template-columns:repeat(3,1fr);gap:14px;}
}

@media(min-width:1024px){
  .feature-card-wrap{grid-template-columns:repeat(4,1fr);}
  .feature-card{border-right:1px solid #e2e8f0;border-bottom:none;}
  .feature-card:last-child{border-right:none;}
  .solution-tabs{grid-template-columns:repeat(4,1fr);max-width:500px;}
}

/* 新轮播图样式 */
.banner-section {
  position: relative;
  width: 100%;
  overflow: hidden;
  height: 560px;
  background: transparent;
  z-index: 1;
}

.banner-image {
  display: none !important;
}

.carousel-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
}

.carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
  height: 100%;
}

.carousel-slide {
  min-width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.slide-img {
  display: none;
}

.slide-link {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  z-index: 2;
}

.global-tab-nav {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  max-width: 1480px;
  margin: 0 auto;
  display: flex;
  gap: 24px;
  padding: 12px 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.5));
  overflow-x: auto;
  scrollbar-width: none;
}

.global-tab-nav::-webkit-scrollbar {
  display: none;
}

.global-tab-item {
  font-size: 16px;
  color: #fff;
  cursor: pointer;
  position: relative;
  padding: 0 0 2px;
  white-space: nowrap;
  flex-shrink: 0;
}

.global-tab-item::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: #fff;
  transition: width 0.3s ease;
}

.global-tab-item.active::after {
  width: 100%;
}

.global-tab-item:hover,
.global-tab-item.active {
  color: #fff;
  font-weight: 500;
}

.info-bar-wrapper {
  position: relative;
  width: 100%;
  z-index: 11;
  margin-top: 5px;
  overflow: hidden;
}

.info-bar-wrapper::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.35);
  z-index: 1;
  pointer-events: none;
}

.info-bar {
  display: flex;
  justify-content: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5px;
  min-height: 70px;
  align-items: center;
  gap: 100px;
  overflow: hidden;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  padding: 12px 16px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 6px;
  height: 80px;
}

.info-card:hover {
  background-color: #ffffff;
  border-color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.info-card-icon {
  font-size: 26px;
  color: #2563eb;
  flex-shrink: 0;
}

.info-card-title {
  font-size: 16px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 4px;
}

.info-card-desc {
  font-size: 12px;
  color: #6b7280;
}

/* 移动端 */
@media (max-width: 768px) {
  .info-bar-wrapper::before { display: none; }
  body { padding-top: 56px; }
  .banner-section { height: auto; margin-top: 0; line-height: 0; font-size: 0; }
  .banner-section > * { font-size: initial; line-height: initial; }
  .carousel-container { height: auto; }
  .carousel-track { height: auto; }
  .carousel-slide {
    height: auto;
    background: none !important;
    line-height: 0;
    font-size: 0;
  }
  .slide-img {
    display: block;
    width: 100%;
    height: auto;
  }
  .global-tab-nav { margin: 0; padding: 8px 15px; gap: 16px; }
  .global-tab-item { font-size: 13px; }
  .global-tab-item:nth-child(5) { display: none; }
  .banner-image { display: none; }
  .info-bar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    padding: 5px 15px 10px;
    min-height: auto;
    justify-content: center;
  }
  .info-card {
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(4px);
    border-radius: 3px;
    padding: 9px 6px;
    text-align: center;
    display: block;
    height: auto !important;
  }
  .info-card-icon {
    display: none;
  }
  .info-card-title {
    font-size: 11px;
    font-weight: 400;
    color: #555;
    margin-bottom: 0;
  }
  .info-card-desc {
    display: none;
  }
  .banner-section {
    padding-bottom: 0;
  }

  /* 全局移动端 */
  * { box-sizing: border-box; }

  /* 大模型板块 */
  .model-section { padding: 30px 12px; }
  .model-header { display: flex; align-items: center; justify-content: space-between; text-align: left; gap: 10px; margin-bottom: 16px; }
  .model-header h2 { font-size: 17px; line-height: 1.3; flex: 1; margin-bottom: 0; }
  .model-header p { font-size: 12px; flex-shrink: 0; max-width: 40%; text-align: right; color: #64748b; }
  .model-body { gap: 16px; }
  .model-left { padding: 20px 16px; border-radius: 12px; }
  .model-left h3 { font-size: 16px; }
  .model-left p { font-size: 12px; }
  .model-left-btn { padding: 8px 20px; font-size: 13px; }
  .model-item { padding: 10px; }
  .model-item-top { gap: 6px; }
  .model-item-icon { width: 26px; height: 26px; font-size: 10px; }
  .model-item-name { font-size: 12px; }
  .model-item-desc { font-size: 11px; }
  .model-item-tag { font-size: 9px; padding: 1px 4px; }

  /* 云计算板块 */
  .cloud-section { padding: 20px 12px; }
  .cloud-hero { margin-bottom: 24px; }
  .cloud-hero-content h2 { font-size: 20px; }
  .cloud-hero-content p { font-size: 13px; }
  .cloud-hero-badge { font-size: 12px; padding: 6px 14px; }
  .cloud-hero-tags { gap: 4px; flex-wrap: nowrap; justify-content: center; }
  .cloud-tag { font-size: 10px; white-space: nowrap; padding: 4px 6px; background: rgba(255,255,255,0.6); border-radius: 4px; }
  .cloud-card { padding: 16px 12px; border-radius: 12px; }
  .cloud-card h3 { font-size: 15px; }
  .cloud-card-desc { font-size: 12px; }
  .cloud-card-list li { font-size: 12px; }
  .cloud-card-btn { font-size: 13px; padding: 10px; }

  /* 全栈开发板块 */
  .stack-section { padding: 20px 12px; }
  .stack-hero { margin-bottom: 24px; }
  .stack-hero-content h2 { font-size: 20px; }
  .stack-hero-content p { font-size: 13px; }
  .stack-hero-badge { font-size: 12px; padding: 6px 14px; }
  .stack-hero-tags { gap: 12px; }
  .stack-tag { font-size: 12px; }
  .stack-card { padding: 16px 12px; border-radius: 12px; }
  .stack-card h3 { font-size: 13px; }
  .stack-card-desc { font-size: 10px; }
  .stack-card-price { margin-bottom: 8px; padding-bottom: 8px; }
  .stack-price-num { font-size: 22px; }
  .stack-card-list li { font-size: 10px; }
  .stack-card-btn { font-size: 12px; padding: 8px; }

  /* IDC板块 */
  .idc-section { padding: 20px 12px; }
  .idc-hero { margin-bottom: 28px; }
  .idc-hero-content h2 { font-size: 20px; }
  .idc-hero-content p { font-size: 13px; }
  .idc-hero-badge { font-size: 12px; padding: 6px 14px; }
  .idc-hero-tags { gap: 12px; }
  .idc-tag { font-size: 12px; }
  .idc-card { padding: 18px 14px; border-radius: 14px; }
  .idc-card h3 { font-size: 15px; }
  .idc-card-desc { font-size: 12px; }
  .idc-card-price { margin-bottom: 14px; }
  .idc-price-num { font-size: 28px; }
  .idc-card-list li { font-size: 12px; }
  .idc-card-btn { font-size: 13px; padding: 10px; }

  /* 新闻板块 */
  .news-section-alt { padding: 28px 12px 24px; }
  .news-alt-header h2 { font-size: 20px; }
  .news-alt-header p { font-size: 13px; }
  .news-alt-item { padding: 12px; gap: 12px; }
  .news-alt-date { min-width: 42px; }
  .news-alt-day { font-size: 18px; }
  .news-alt-month { font-size: 10px; }
  .news-alt-content h3 { font-size: 14px; }
  .news-alt-content p { font-size: 12px; }

  /* 底部栏 */
  .footer-main { padding: 24px 16px 16px; }
  .footer-main-container { flex-direction: column; gap: 24px; }
  .footer-brand { flex: none; width: 100%; }
  .footer-logo-text { font-size: 18px; }
  .footer-links-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 16px; }
  .footer-col { padding: 0; }
  .footer-col-title { font-size: 14px; margin-bottom: 10px; }
  .footer-col-links li a { font-size: 12px; }
  .footer-bottom { padding: 14px 16px; }
  .footer-bottom-container { flex-direction: column; gap: 8px; text-align: center; }
  .footer-bottom-left { font-size: 11px; }
  .footer-bottom-right { justify-content: center; font-size: 11px; }
}