body {margin:0;background:#f2f6fa;font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif; max-width: 7.5rem; background: #f5f5f5; margin:0 auto;}
.m-header {
  background: #2889fe;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .12rem .2rem;
  box-sizing: border-box;
  position: fixed;
  top: 0;
  left: 50%;
  width: 100vw;
  margin: 0;
  border-radius: 0;
  box-shadow: none;
  z-index: 1000;
  max-width: 7.5rem;
  transform: translateX(-50%);
}
.m-logo-box {
  display: flex;
  align-items: center;
}
.m-logo {
  width: 0.5rem;
  height: auto;
  margin-right: 0.06rem;
}
.m-company {
  color: #fff;
  font-size: 0.32rem;
  font-weight: normal;
  line-height: 1;
}
.m-menu-btn {
  width: 0.52rem;
  height: 0.58rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
.m-menu-btn span {
  display: block;
  width: 100%;
  height: 0.043rem;
  background: #fff;
  margin: 0.06rem 0;
  border-radius: 0.02rem;
  transition: all 0.3s;
}

/* 菜单按钮关闭状态样式 */
.m-menu-btn.close span:nth-child(1) {
  transform: rotate(45deg) translate(0.15rem, 0.15rem);
}

.m-menu-btn.close span:nth-child(2) {
  opacity: 0;
}

.m-menu-btn.close span:nth-child(3) {
  transform: rotate(-45deg) translate(0.06rem, -0.06rem);
}
.m-nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  z-index: 999;
  display: none;
  flex-direction: column;
  animation: fadeIn 0.3s;
  height: 100vh;
  background: linear-gradient(135deg, #eaf6ff 60%, #c6f1e7 100%);
  padding-top: 0.82rem; /* 顶部导航高度，确保内容紧贴导航栏下方 */
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.m-nav-content {
  flex: 1;
  overflow-y: auto;
  padding: 0.35rem;
  padding-top: 0; /* 取消多余的顶部内边距 */
  /* height: calc(100vh - 0.6rem); */
}
.m-nav-content a {
  display: block;
  color: #2574c7;
  font-size: 0.32rem;
  text-decoration: none;
  margin-top: 0.38rem;
  font-weight: 500;
}
.m-nav-content .m-nav-section {
  margin-bottom: 0.28rem;
  text-align: center;
}
.m-nav-content .m-nav-section-title {
  color: #2574c7;
  font-size: 0.16rem;
  font-weight: bold;
  margin-bottom: 0.1rem;
}
.m-nav-content .m-nav-link-ext {
  font-size: 0.15rem;
  color: #2574c7;
  text-decoration: underline;
  margin-left: 0.04rem;
} 

.bg-white{
  background: #fff;
}
.bbox{
  padding: .2rem;
}
.mt10{
  margin-top: 0.3rem;
}

.common-title {
  font-size: 0.38rem;
  color: #222;
  text-align: left;
  margin: 0;
  font-weight: bold;
  letter-spacing: 0.01em;
  text-align: center;
}

/* 通用底部样式 */
.m-footer {
  background: #23262b;
  color: #fff;
  padding: .4rem 0 .2rem;
  font-size: 0.95rem;
}
.m-footer-main {
  display: flex;
  flex-direction: column;
  padding: 0 0.3rem;
  align-items: flex-start;
  width: 100%;
  box-sizing: border-box;
}
.m-footer-company {
  width: 100%;
  display: block;
  margin-bottom: 0;
}
.m-footer-title {
  font-size: .31rem;
  font-weight: normal;
  margin-bottom: 0.15rem;
}
.m-footer-desc {
  font-size: 0.26rem;
  color: #b0b3b8;
}
.m-footer-links {
  display: flex;
  flex: 1;
  width: 100%;
}
.m-footer-link-group {
  display: block;
  font-size: .24rem;
  position: relative;
  width: auto;
  margin-bottom: 0;
  gap: 0.7rem;
  flex: 1;
  overflow: hidden;
  text-indent: .22rem;
  line-height: normal;
  color: #fff;
  text-decoration: none;
}
.m-footer-link-group::after{
  content: '';
  display: block;
  width: .08rem;
  height: .08rem;
  background: #858585;
  position: absolute;
  top: .12rem;
  left: 0;
  overflow: hidden;
}
.m-footer-link-title {
  width: 100%;
  font-size: 0.25rem;
  font-weight: bold;
  margin-bottom: 0;
  margin-right: 0.5rem;
}
.m-footer-copyright {
  border-top: 1px solid #333;
  margin-top: 0.4rem;
  padding-top: .2rem;
  text-align: left;
  color: #b0b3b8;
  font-size: 0.23rem;
  padding-left: 0.3rem;
}

/* 基础样式 */
.from-ct {
    padding-bottom: 20px;
    background: #fff;
}
 .header-section {
            background: rgba(255, 255, 255, 0.95);
            padding: 20px 0px;
            /* margin-bottom: 30px; */
            /* box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15); */
            text-align: center;
        }
        
        .main-title {
            font-weight: 800;
            font-size: 30px;
            margin-bottom: 15px;
            /* background: linear-gradient(135deg, #3b82f6, #1e40af); */
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
            color: #000;
        }
        
        .sub-title {
            font-weight: 400;
            font-size: 14px;
            color: #4b5563;
            line-height: 1.7;
            max-width: 90%;
            margin: 0 auto;
        }
        
        .form-container {
            background: #ffffff;
            padding: 0px 20px;
        }
        
        .form-group {
            position: relative;
            margin-bottom: 12px;
        }
        
        .input-icon {
            position: absolute;
            left: 15px;
            top: 22px;
            color: #9ca3af;
            font-size: 20px;
            z-index: 10;
        }
        
        .form-control {
            border-radius: 12px;
            padding: 16px 20px 16px 50px;
            border: 2px solid #e5e7eb;
            font-size: 20px;
            height: auto;
            transition: all 0.3s ease;
            background-color: #f9fafb;
        }
        
        .form-control:focus {
            /* border-color: var(--primary-color); */
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
            background-color: #ffffff;
        }
        
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
            padding-top: 16px;
        }
        
        .btn-submit {
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            border: none;
            border-radius: 12px;
            padding: 16px 0;
            font-weight: 600;
            font-size: 20px;
            margin-top: 5px;
            transition: all 0.3s ease;
            width: 100%;
            color: white;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
            position: relative;
            overflow: hidden;
        }
         .btn-submit i {
          margin-right: 10px;
         }
      
        
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.85);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 1050;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
        }
        
        .loading-overlay.active {
            opacity: 1;
            pointer-events: all;
        }
        
        .loader {
            width: 60px;
            height: 60px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            /* background: var(--primary-color); */
            animation: bounce 1.4s infinite ease-in-out both;
        }
        
        .dot:nth-child(1) {
            animation-delay: -0.32s;
            background: #3b82f6;
        }
        
        .dot:nth-child(2) {
            animation-delay: -0.16s;
            background: #60a5fa;
        }
        
        .dot:nth-child(3) {
            background: #93c5fd;
        }
        
        @keyframes bounce {
            0%, 80%, 100% { 
                transform: scale(0);
            } 40% { 
                transform: scale(1.0);
            }
        }
        
        .loading-text {
            color: white;
            margin-top: 25px;
            font-size: 30px;
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        
        .alert-modal {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0.9);
            background: white;
            border-radius: 20px;
            padding: 35px 30px;
            text-align: center;
            z-index: 1060;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            width: 85%;
            max-width: 400px;
            opacity: 0;
            pointer-events: none;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        .alert-modal.active {
            opacity: 1;
            transform: translate(-50%, -50%) scale(1);
            pointer-events: all;
        }
        
        .alert-icon {
            font-size: 80px;
            margin-bottom: 20px;
        }
        
        .success-icon {
            color: #10b981;
        }
        
        .error-icon {
            color: #ef4444;
        }
        
        .alert-title {
            font-weight: 700;
            font-size: 30px;
            margin-bottom: 15px;
            color: #1f2937;
        }
        
        .alert-message {
            color: #4b5563;
            margin-bottom: 25px;
            line-height: 1.6;
            font-size: 20px;
        }
        
        .modal-btn {
            border-radius: 12px;
            padding: 14px 0;
            font-weight: 600;
            font-size: 20px;
            width: 100%;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .modal-btn-primary {
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            color: white;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
        }
        
        .modal-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 7px 20px rgba(37, 99, 235, 0.4);
        }
        
        .form-title {
            text-align: center;
            font-weight: 700;
            font-size: 24px;
            margin-bottom: 25px;
            color: #1e40af;
            position: relative;
        }
        
        .form-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, #2563eb, #1d4ed8);
            border-radius: 2px;
            margin: 10px auto 0;
        }
        
        
      .from-ct  .input-error {
            color: #ef4444;
            font-size: 18px;
            margin-top: 8px;
            margin-left: 10px;
            display: none;
        }
        
        .form-control.error {
            border-color: #ef4444;
        }
        
        .form-control.error:focus {
            box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
        }
       .from-ct .btn:hover {
          color: #fff;
        }

        /* 底部悬浮按钮 */
        .contact-bar {
            position: fixed;
            bottom: 0px;
            left: 0;
            width: 100vw;
            z-index: 1000;
            padding: 10px 0px;
            display: flex;
            transition: all 0.3s ease;
            background: #055bb1;
        }
  
        
        .contacts-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 5px 25px;
            /* border-radius: 50px; */
            color: white;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            /* box-shadow: 0 4px 10px rgba(0,0,0,0.1); */
            position: relative;
            min-width: 150px;
            flex: 1;
            font-size: 20px;
        
        }
        
        .contacts-btn i {
            margin-right: 8px;
            font-size: 24px;
        }
        
         .contacts-btn.wechat-btn {
            border-right: 1px solid #fff;
         }
        /* 二维码弹出框 */
        .qr-popup {
            position: absolute;
            bottom: calc(100% + 20px);
            left: 50%;
            transform: translateX(-50%) scale(0.9);
            background: white;
            padding: 20px;
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.2);
            z-index: 1001;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            text-align: center;
            min-width: 260px;
            border: 1px solid rgba(0,0,0,0.05);
        }
        
        .qr-popup.active {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) scale(1);
        }
        
        .qr-popup::after {
            content: '';
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%);
            border: 12px solid transparent;
            border-top-color: white;
        }
        
        .qr-popup img {
            width: 180px;
            height: 180px;
            display: block;
            margin: 0 auto 15px;
            border: 1px solid #eee;
            border-radius: 10px;
            padding: 10px;
            background: white;
            font-size: 20px;
        }
        
        .qr-popup-title {
            color: #333;
            margin-bottom: 15px;
            font-weight: 700;
            font-size: 24px;
        }
        
        .qr-popup p {
            color: #666;
            font-size: 14px;
            max-width: 250px;
            margin-bottom: 0px;
        }