/**
 * 关于我们页面 - 现代化设计 V2
 * 全宽布局 | 科技感蓝色主题 | 数据展示
 */

/* 页面主容器 */
.about-v2-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 0 36px;
    background: #fff;
}

/* 英雄区域 - 公司介绍头部 */
.about-v2-hero {
    background: linear-gradient(135deg, #0d47a1 0%, #1976d2 50%, #42a5f5 100%);
    padding: 40px 20px 60px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    border-radius: 18px 18px 0 0;
}

.about-v2-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.about-v2-hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.about-v2-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 30px;
    border: 1px solid rgba(255,255,255,0.2);
}

.about-v2-hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.about-v2-hero-subtitle {
    font-size: 18px;
    opacity: 0.9;
    line-height: 1.6;
}

/* 数据统计区域 - 白色卡片悬浮效果 */
.about-v2-stats {
    background: transparent;
    padding: 0 20px;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.about-v2-stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.about-v2-stat-item {
    text-align: center;
    padding: 35px 25px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(13,71,161,0.15);
    border: 1px solid #e3f2fd;
    transition: all 0.3s ease;
}

.about-v2-stat-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(13,71,161,0.2);
    border-color: #1976d2;
}

.about-v2-stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #1976d2;
    line-height: 1;
    margin-bottom: 10px;
}

.about-v2-stat-label {
    font-size: 15px;
    color: #666;
    font-weight: 500;
}

/* 内容区域 */
.about-v2-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.about-v2-section {
    margin-bottom: 50px;
}

.about-v2-section:last-child {
    margin-bottom: 0;
}

.about-v2-section-header {
    text-align: center;
    margin-bottom: 50px;
}

.about-v2-section-title {
    font-size: 36px;
    font-weight: 700;
    color: #0d47a1;
    margin-bottom: 15px;
}

.about-v2-section-subtitle {
    font-size: 16px;
    color: #666;
}

/* 公司简介卡片 */
.about-v2-intro-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    border-radius: 24px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 1px solid #e3f2fd;
}

.about-v2-intro-text {
    font-size: 16px;
    line-height: 2;
    color: #444;
    text-align: justify;
}

.about-v2-intro-text p {
    margin-bottom: 20px;
}

.about-v2-intro-text p:last-child {
    margin-bottom: 0;
}

/* 资质展示网格 */
.about-v2-qualifications {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.about-v2-qual-item {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    border: 1px solid #e8f4f8;
    transition: all 0.3s ease;
}

.about-v2-qual-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(13,71,161,0.12);
    border-color: #1976d2;
}

.about-v2-qual-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1976d2 0%, #0d47a1 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
}

.about-v2-qual-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.about-v2-qual-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

/* 服务领域 */
.about-v2-services {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.about-v2-service-item {
    background: linear-gradient(135deg, #1976d2 0%, #0d47a1 100%);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    color: #fff;
    transition: all 0.3s ease;
}

.about-v2-service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(13,71,161,0.3);
}

.about-v2-service-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.about-v2-service-title {
    font-size: 16px;
    font-weight: 600;
}

/* 联系CTA区域 */
.about-v2-cta {
    background: linear-gradient(135deg, #0d47a1 0%, #1976d2 100%);
    padding: 60px 20px;
    text-align: center;
    color: #fff;
    border-radius: 0 0 18px 18px;
}

.about-v2-cta-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-v2-cta-text {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.about-v2-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: #0d47a1;
    padding: 16px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.about-v2-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* 面包屑导航区域 */
.about-v2-breadcrumb-section {
    background: #fff !important;
    border-bottom: 1px solid #e8f4f8 !important;
}

.about-v2-breadcrumb-section .p12-curmbs-1 {
    max-width: 1200px;
    margin: 0 auto;
}

/* 二级导航菜单 - 居中胶囊式 */
.about-v2-submenu {
    background: #f8fafc;
    padding: 20px 0;
}

.about-v2-submenu-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-v2-submenu-list {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 12px;
    flex-wrap: wrap;
}

.about-v2-submenu-item {
    flex-shrink: 0;
}

.about-v2-submenu-link {
    display: block;
    padding: 12px 28px;
    text-decoration: none;
    color: #555;
    font-size: 14px;
    font-weight: 500;
    border-radius: 50px;
    background: #fff;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.about-v2-submenu-link:hover {
    color: #1976d2;
    background: #f0f7ff;
    border-color: #1976d2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(25,118,210,0.15);
}

.about-v2-submenu-link.active {
    color: #fff;
    background: linear-gradient(135deg, #1976d2 0%, #0d47a1 100%);
    border-color: #0d47a1;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(13,71,161,0.3);
}

/* 移动端适配 */
@media (max-width: 1024px) {
    .about-v2-stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 15px;
    }
    
    .about-v2-stat-item {
        padding: 25px 15px;
    }
    
    .about-v2-stat-number {
        font-size: 36px;
    }
    
    .about-v2-stat-label {
        font-size: 13px;
    }
    
    .about-v2-qualifications {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-v2-services {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about-v2-submenu-list {
        justify-content: center;
        padding: 0 10px;
        gap: 8px;
    }
    
    .about-v2-submenu-link {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .about-v2-stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 10px;
    }
    
    .about-v2-stat-item {
        padding: 20px 10px;
    }
    
    .about-v2-stat-number {
        font-size: 28px;
    }
    
    .about-v2-stat-label {
        font-size: 12px;
    }
    
    .about-v2-hero {
        padding: 60px 20px 100px;
    }
    
    .about-v2-hero-title {
        font-size: 32px;
    }
    
    .about-v2-intro-card {
        padding: 30px 20px;
    }
    
    .about-v2-qualifications {
        grid-template-columns: 1fr;
    }
    
    .about-v2-services {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-v2-section-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .about-v2-stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }
    
    .about-v2-stat-item {
        padding: 15px 8px;
        border-radius: 12px;
    }
    
    .about-v2-stat-number {
        font-size: 22px;
    }
    
    .about-v2-stat-label {
        font-size: 10px;
    }
    
    .about-v2-services {
        grid-template-columns: 1fr;
    }
}

/* 留言表单样式 */
.liuyan-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.liuyan-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 15px;
    font-weight: 500;
    color: #333;
}

.form-group label .required {
    color: #e53935;
    margin-left: 4px;
}

.form-control {
    padding: 14px 18px;
    border: 2px solid #e3f2fd;
    border-radius: 12px;
    font-size: 15px;
    color: #333;
    background: #fff;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: #1976d2;
    box-shadow: 0 0 0 4px rgba(25,118,210,0.1);
}

.form-control::placeholder {
    color: #999;
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

.form-submit {
    text-align: center;
    margin-top: 10px;
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #1976d2 0%, #0d47a1 100%);
    color: #fff;
    padding: 16px 48px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(13,71,161,0.3);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(13,71,161,0.4);
}

.submit-btn:active {
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .liuyan-form {
        gap: 20px;
    }
    
    .form-control {
        padding: 12px 16px;
    }
    
    .submit-btn {
        width: 100%;
        padding: 16px 24px;
    }
}