/* ========================================
   睿拓拓网络 - 内页通用样式
======================================== */

/* 页面标题区 */
.page-header {
    position: relative;
    padding: 180px 0 80px;
    background: linear-gradient(135deg, rgba(10,10,10,0.9) 0%, rgba(26,26,26,0.85) 100%),
                url('../images/page-header-bg.jpg') center/cover no-repeat;
    text-align: center;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(10,10,10,0.7) 100%);
}

.page-header-content {
    position: relative;
    z-index: 2;
}

.page-title {
    font-size: 3rem;
    color: var(--color-white);
    margin-bottom: 15px;
    letter-spacing: 4px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--color-silver);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .page-header {
        padding: 140px 0 60px;
    }
    .page-title {
        font-size: 2rem;
    }
    .page-subtitle {
        font-size: 1rem;
    }
}

/* 内容区块 */
.content-section {
    padding: 80px 0;
}

.content-section.alt-bg {
    background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-black) 100%);
}

/* 面包屑导航 */
.breadcrumb {
    padding: 20px 0;
    background: var(--color-darker);
    border-bottom: 1px solid var(--color-red-dark);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.breadcrumb-item {
    color: var(--color-gray);
}

.breadcrumb-item a {
    color: var(--color-silver);
    transition: color 0.3s ease;
}

.breadcrumb-item a:hover {
    color: var(--color-red-bright);
}

.breadcrumb-item.active {
    color: var(--color-red-bright);
}

.breadcrumb-separator {
    color: var(--color-gray);
}

/* 侧边栏布局 */
.sidebar-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    padding: 60px 0;
}

.sidebar {
    background: linear-gradient(145deg, var(--color-darker) 0%, var(--color-dark) 100%);
    border: 1px solid var(--color-darker);
    border-radius: 8px;
    padding: 25px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-link {
    display: block;
    padding: 12px 18px;
    color: var(--color-silver);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.sidebar-link:hover,
.sidebar-link.active {
    background: linear-gradient(135deg, var(--color-red-dark) 0%, var(--color-red) 100%);
    color: var(--color-white);
}

.main-content {
    background: linear-gradient(145deg, var(--color-darker) 0%, var(--color-dark) 100%);
    border: 1px solid var(--color-darker);
    border-radius: 8px;
    padding: 40px;
}

@media (max-width: 992px) {
    .sidebar-layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: relative;
        top: 0;
    }
}

/* 详情页面 */
.detail-header {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 2px solid var(--color-red-dark);
}

.detail-title {
    font-size: 2rem;
    color: var(--color-white);
    margin-bottom: 15px;
}

.detail-meta {
    display: flex;
    gap: 25px;
    color: var(--color-gray);
    font-size: 0.9rem;
}

.detail-content {
    color: var(--color-silver);
    line-height: 2;
    font-size: 1.05rem;
}

.detail-content p {
    margin-bottom: 20px;
}

.detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 25px 0;
}

/* 相关文章 */
.related-articles {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid var(--color-darker);
}

.related-title {
    color: var(--color-silver);
    font-size: 1.4rem;
    margin-bottom: 25px;
}

/* 联系表单 */
.contact-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    color: var(--color-silver);
    margin-bottom: 10px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-darker);
    border: 1px solid var(--color-darker);
    border-radius: 4px;
    color: var(--color-white);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-red);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* 团队卡片 */
.team-card {
    text-align: center;
    padding: 30px;
}

.team-image {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 25px;
    border: 4px solid var(--color-red-dark);
}

.team-name {
    color: var(--color-white);
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.team-position {
    color: var(--color-red-bright);
    font-size: 1rem;
    margin-bottom: 15px;
}

.team-desc {
    color: var(--color-gray);
    line-height: 1.7;
}

/* 案例展示 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.case-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-card:hover .case-image {
    transform: scale(1.1);
}

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 25px;
    background: linear-gradient(180deg, transparent 0%, rgba(10,10,10,0.95) 100%);
}

.case-category {
    color: var(--color-red-bright);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.case-title {
    color: var(--color-white);
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.case-client {
    color: var(--color-gray);
    font-size: 0.9rem;
}

@media (max-width: 992px) {
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .case-grid {
        grid-template-columns: 1fr;
    }
}

/* FAQ 样式 */
.faq-item {
    background: linear-gradient(145deg, var(--color-darker) 0%, var(--color-dark) 100%);
    border: 1px solid var(--color-darker);
    border-radius: 8px;
    margin-bottom: 20px;
    overflow: hidden;
}

.faq-question {
    padding: 20px 25px;
    color: var(--color-silver);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--color-darker);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    color: var(--color-gray);
    line-height: 1.8;
    transition: all 0.4s ease;
}

.faq-item.active .faq-answer {
    padding: 20px 25px;
    max-height: 500px;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--color-red-bright);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}