/* 内页Banner */
.page-banner {
    position: relative;
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #084298 0%, #0b5ed7 50%, #1976d2 100%);
    overflow: hidden;
    color: #fff;
}
.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 80% 30%, rgba(255, 107, 0, 0.15) 0%, transparent 60%);
    pointer-events: none;
}
.page-banner-inner {
    position: relative;
    z-index: 1;
    text-align: center;
}
.page-banner h1 {
    font-size: 40px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.page-banner p {
    font-size: 16px;
    opacity: 0.9;
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.7;
}

/* 面包屑 */
.breadcrumb-wrap {
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
    padding: 14px 0;
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #6b7280;
}
.breadcrumb a { color: #6b7280; transition: color 0.3s ease; }
.breadcrumb a:hover { color: #0b5ed7; }
.breadcrumb .current { color: #1a2332; font-weight: 500; }
.breadcrumb i { font-size: 12px; color: #9ca3af; }

/* 左右两栏主布局 */
.service-detail-wrap {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    padding: 70px 0 80px;
}

/* 左侧主内容区 */
.service-main h2 {
    font-size: 26px;
    margin-bottom: 16px;
    color: var(--gray-900);
}
.service-intro {
    margin-bottom: 40px;
}
.service-intro p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 16px;
    font-size: 15px;
}
.intro-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 24px;
}
.intro-highlight-item {
    text-align: center;
    padding: 18px 12px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    border: 1px solid rgba(11, 94, 215, 0.08);
}
.intro-highlight-item i {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 8px;
}
.intro-highlight-item span {
    display: block;
    font-size: 13px;
    color: var(--gray-700);
    font-weight: 500;
}

/* 子分类列表 */
.sub-service-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.sub-service-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}
.sub-service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    transition: width 0.3s ease;
}
.sub-service-item:hover {
    transform: translateX(6px);
    box-shadow: 0 12px 32px rgba(11, 94, 215, 0.1);
    border-color: var(--primary-light);
}
.sub-service-header {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 16px;
}
.sub-service-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-light), #e0e7ff);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}
.sub-service-item:hover .sub-service-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}
.sub-service-header h3 {
    font-size: 20px;
    margin: 0;
    color: var(--gray-900);
}
.sub-service-desc {
    color: var(--gray-600);
    line-height: 1.75;
    margin-bottom: 16px;
    font-size: 14px;
}
.sub-service-meta {
    display: flex;
    gap: 24px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}
.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--gray-700);
}
.meta-item strong {
    color: var(--gray-900);
    font-weight: 600;
}
.meta-item i {
    color: var(--accent);
    font-size: 12px;
}
.sub-service-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 18px;
}
.sub-service-features li {
    font-size: 13px;
    color: var(--gray-600);
    padding-left: 18px;
    position: relative;
}
.sub-service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
    font-size: 12px;
}
.sub-service-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px dashed var(--border);
}
.sub-service-tag {
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
}

/* 右侧侧边栏 - 悬浮固定 */
.service-sidebar {
    position: sticky;
    top: 100px;
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.side-widget {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.side-widget-title {
    padding: 18px 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}
.side-nav-list {
    padding: 8px 0;
}
.side-nav-list li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    font-size: 14px;
    color: var(--gray-700);
    border-left: 3px solid transparent;
    transition: all 0.25s ease;
}
.side-nav-list li a:hover,
.side-nav-list li a.active {
    background: var(--primary-light);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 500;
}
.side-nav-list li a i {
    font-size: 12px;
    opacity: 0.6;
}

/* 咨询热线卡片 */
.consult-card {
    padding: 24px 20px;
    text-align: center;
    background: linear-gradient(135deg, #ff6b00 0%, #e55f00 100%);
    color: #fff;
}
.consult-card .consult-label {
    font-size: 14px;
    opacity: 0.95;
    margin-bottom: 8px;
}
.consult-card .consult-phone {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}
.consult-card .consult-phone a {
    color: #fff;
}
.consult-card .consult-tip {
    font-size: 13px;
    opacity: 0.9;
    margin-bottom: 16px;
}
.consult-card .consult-btn {
    display: block;
    width: 100%;
    padding: 10px;
    background: #fff;
    color: var(--accent);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}
.consult-card .consult-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

/* 侧边表单 */
.side-form {
    padding: 20px;
}
.side-form .form-group {
    margin-bottom: 14px;
}
.side-form .form-group input,
.side-form .form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}
.side-form .form-group input:focus,
.side-form .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(11, 94, 215, 0.1);
}
.side-form .submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}
.side-form .submit-btn:hover {
    box-shadow: 0 6px 16px rgba(11, 94, 215, 0.25);
    transform: translateY(-1px);
}

/* 服务承诺 */
.side-promise {
    padding: 16px 20px;
    background: var(--gray-50);
    border-top: 1px solid var(--border);
}
.side-promise li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray-700);
    padding: 6px 0;
}
.side-promise li i {
    color: var(--accent);
    font-size: 14px;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .service-detail-wrap {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 50px 0 60px;
    }
    .service-sidebar {
        position: static;
        order: -1;
    }
    .intro-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-banner h1 {
        font-size: 32px;
    }
}
@media (max-width: 600px) {
    .page-banner {
        padding: 120px 0 60px;
    }
    .page-banner h1 {
        font-size: 26px;
    }
    .sub-service-item {
        padding: 20px;
    }
    .sub-service-features {
        grid-template-columns: 1fr;
    }
    .intro-highlights {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
}