/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

.container {
    width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部导航栏 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.logo img {
    height: 40px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

/* 移动端导航栏样式 */
@media (max-width: 768px) {
    .nav-list.mobile {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: #fff;
        flex-direction: column;
        justify-content: center;
        gap: 20px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        z-index: 999;
    }
    
    .nav-list.mobile .nav-item {
        width: 100%;
        text-align: center;
    }
    
    .nav-list.mobile .nav-item a {
        font-size: 18px;
        padding: 12px 0;
    }
    
    .nav-list.mobile .dropdown-menu {
        position: relative;
        top: 0;
        left: 0;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border-radius: 0;
        padding: 0;
        min-width: 100%;
    }
    
    .nav-list.mobile .dropdown-menu li a {
        padding: 8px 20px;
        font-size: 16px;
    }
}

.nav-item {
    position: relative;
}

.nav-item a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    padding: 8px 0;
    transition: color 0.3s;
    display: block;
    text-align: center;
}

.nav-item.active a, .nav-item a:hover {
    color: #3B82F6;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-radius: 8px;
    padding: 10px 0;
    min-width: 120px;
    z-index: 1000;
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu li a {
    display: block;
    padding: 8px 20px;
    color: #333;
    font-size: 14px;
    text-align: left;
}

.dropdown-menu li a:hover {
    background-color: #f5f7fa;
    color: #3B82F6;
}

.dropdown-menu {
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.search-box {
    position: relative;
    width: 300px;
}

.search-box input {
    width: 100%;
    padding: 10px 40px 10px 15px;
    border: 1px solid #E5E7EB;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s;
}

.search-box input:focus {
    outline: none;
    border-color: #3B82F6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #9CA3AF;
    cursor: pointer;
    transition: color 0.3s;
}

.search-btn:hover {
    color: #3B82F6;
}

.user-actions {
    display: flex;
    gap: 15px;
}

.login-btn, .register-btn {
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.login-btn {
    color: #3B82F6;
    border: 1px solid #3B82F6;
}

.login-btn:hover {
    background-color: #3B82F6;
    color: #fff;
}

.register-btn {
    background-color: #3B82F6;
    color: #fff;
    border: 1px solid #3B82F6;
}

.register-btn:hover {
    background-color: #2563EB;
}

/* 首屏Banner区域 */
.banner {
    position: relative;
    background: linear-gradient(180deg, #f2f9ff 0%, #e7f5ff 100%);
    overflow: hidden;
    line-height: 0;
}

.banner::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(
        180deg,
        rgba(242, 249, 255, 0) 0%,
        rgba(242, 249, 255, 0) 86%,
        rgba(231, 245, 255, 0.28) 94%,
        #e7f5ff 100%
    );
}

.banner-image {
    display: block;
    width: 100%;
    max-width: none;
    height: auto;
    max-height: none;
}

/* 合作企业Logo墙 */
.logo-wall-section {
    padding: 60px 0;
    background: linear-gradient(180deg, #e6f7ff 0%, #ffffff 100%);
    margin-top: -1px;
}

.logo-wall-section .section-header {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 40px;
}

.logo-wall-section h2 {
    font-size: 22px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 10px;
    text-align: center;
}

/* 响应式字体大小调整 */
@media (max-width: 768px) {
    .logo-wall-section h2 {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .logo-wall-section h2 {
        font-size: 18px;
    }
}

.view-more-btn {
    display: block;
    text-align: center;
    margin-top: 40px;
    color: #3B82F6;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.logo-wall {
    display: flex;
    flex-direction: column;
    gap: 30px;
    overflow: hidden;
    position: relative;
    height: 240px;
}

.logo-row {
    display: flex;
    gap: 30px;
    align-items: center;
    position: relative;
}

.logo-row.clone {
    position: absolute;
    left: 100%;
}

.logo-item {
    flex: 0 0 auto;
    width: 150px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border-radius: 8px;
    transition: transform 0.3s;
}

.logo-item:hover {
    transform: translateY(-5px);
}

.logo-item img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
}

.view-more-btn {
    display: block;
    text-align: center;
    margin-top: 40px;
    color: #3B82F6;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.view-more-btn:hover {
    color: #2563EB;
}

/* 功能模块区 */
.feature-section {
    padding: 80px 0;
    background-color: #FFFFFF;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: #F8FAFC;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #E5E7EB;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-color: #3B82F6;
}

.feature-image {
    margin-bottom: 20px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1F2937;
}

.feature-card p {
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 20px;
    line-height: 1.6;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #3B82F6;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.feature-link:hover {
    color: #2563EB;
}

/* 热门职位区域 */
.jobs-section {
    padding: 80px 0;
    background-color: #F8FAFC;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1F2937;
}

.section-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.job-filter {
    display: flex;
    gap: 10px;
}

.filter-item {
    padding: 8px 20px;
    border: 1px solid #E5E7EB;
    border-radius: 24px;
    color: #6B7280;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.filter-item:hover {
    border-color: #4A90E2;
    color: #4A90E2;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.15);
}

.filter-item.active {
    background-color: #4A90E2;
    color: #FFFFFF;
    border-color: #4A90E2;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.25);
    transform: translateY(-1px);
}

.filter-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.filter-item:hover::before {
    left: 100%;
}

.view-more {
    color: #3B82F6;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s;
}

.view-more:hover {
    color: #2563EB;
}

.job-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    z-index: 1;
}

.job-grid.active {
    position: relative;
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    z-index: 2;
}

.jobs-section .container {
    position: relative;
}

.jobs-section .section-header {
    margin-bottom: 40px;
    position: relative;
    z-index: 3;
}

.job-card {
    background-color: #FFFFFF;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
}

.job-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.job-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1F2937;
}

.job-company {
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 12px;
}

.job-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.job-salary {
    font-size: 14px;
    font-weight: 600;
    color: #3B82F6;
}

.job-location, .job-time {
    font-size: 14px;
    color: #6B7280;
}

.job-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.job-tag {
    padding: 4px 12px;
    background-color: #F3F4F6;
    border-radius: 12px;
    font-size: 12px;
    color: #6B7280;
}

.job-link {
    display: inline-block;
    margin-top: 16px;
    color: #3B82F6;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.job-link:hover {
    color: #2563EB;
}

/* 面试题库区 */
.questions-section {
    padding: 80px 0;
    background-color: #FFFFFF;
    background-image: none;
}

.questions-section .container {
    position: relative;
    z-index: 1;
}

.question-filter {
    display: flex;
    gap: 10px;
}

.question-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 面试题网格布局 */
.questions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 30px;
}

/* 行业分组卡片 */
.industry-group {
    background-color: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid #E5E7EB;
    padding: 24px;
    transition: all 0.3s ease;
}

.industry-group:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border-color: #3B82F6;
}

/* 行业标题 */
.industry-title {
    font-size: 20px;
    font-weight: 700;
    color: #3B82F6;
    margin: 0 0 20px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid #E6F7FF;
}

/* 题目类型列表 */
.question-types {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 题目类型项 */
.question-type-item {
    padding: 16px;
    background-color: #F8FAFC;
    border-radius: 12px;
    border: 1px solid #E5E7EB;
    transition: all 0.2s ease;
    cursor: pointer;
}

.question-type-item:hover {
    background-color: #E6F7FF;
    border-color: #3B82F6;
}

/* 类型名称 */
.type-name {
    font-size: 16px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
}

/* 进度信息 */
.type-progress {
    font-size: 14px;
    color: #9CA3AF;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .questions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .questions-grid {
        grid-template-columns: 1fr;
    }
    
    .industry-group {
        padding: 20px;
    }
}

.question-card {
    background-color: #F8FAFC;
    padding: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #E5E7EB;
}

.question-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.question-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1F2937;
}

.question-meta {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 10px;
}

.difficulty {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.difficulty.easy {
    background-color: #D1FAE5;
    color: #065F46;
}

.difficulty.medium {
    background-color: #FEF3C7;
    color: #92400E;
}

.difficulty.hard {
    background-color: #FEE2E2;
    color: #991B1B;
}

.question-preview {
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 15px;
    line-height: 1.5;
}

.question-link {
    color: #3B82F6;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.question-link:hover {
    color: #2563EB;
    text-decoration: underline;
}

/* 标签页样式 */
.tab-content {
    position: relative;
    margin-top: 30px;
}

.tab-pane {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    z-index: 1;
}

.tab-pane.active {
    position: relative;
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    z-index: 2;
}

/* 笔试真题网格 */
.exam-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

/* 笔试真题卡片 */
.exam-card {
    background-color: #FFFFFF;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
    display: flex;
    gap: 16px;
    align-items: center;
}

.exam-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border-color: #3B82F6;
}

/* 笔试真题序号 */
.exam-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3B82F6, #2563EB);
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 700;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* 笔试真题企业Logo */
.exam-logo {
    width: 120px;
    height: 80px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    background-color: #fff;
    transition: all 0.3s ease;
}

.exam-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.exam-logo img {
    width: 85%;
    height: 85%;
    object-fit: contain;
    transition: all 0.3s ease;
}

.exam-logo:hover img {
    transform: scale(1.1);
}

/* 笔试真题内容 */
.exam-content {
    flex: 1;
    font-size: 16px;
    color: #374151;
    line-height: 1.5;
}

/* 泰国企业面试真题内容 */
.thailand-content {
    padding: 40px;
    text-align: center;
    background-color: #F8FAFC;
    border-radius: 12px;
    border: 1px solid #E5E7EB;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .exam-grid {
        grid-template-columns: 1fr;
    }
    
    .exam-card {
        padding: 20px;
    }
    
    .exam-logo {
        width: 100px;
        height: 65px;
    }
}

@media (max-width: 480px) {
    .exam-logo {
        width: 80px;
        height: 55px;
    }
    
    .exam-card {
        gap: 12px;
    }
    
    .experience-images.single-image {
        max-width: 100%;
    }
    
    .experience-images .image-item {
        flex: 1 1 100%;
        max-width: 100%;
    }
    
    .experience-images img {
        max-height: 150px;
    }
}

/* 面试情报局 - 社交帖子样式 */
.experiences-section {
    padding: 80px 0;
    background-color: #F8FAFC;
    background-image: none;
}

.experiences-section .container {
    position: relative;
    z-index: 1;
}

.experience-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.experience-card {
    background-color: #FFFFFF;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
}

.experience-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.experience-header {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    align-items: flex-start;
}

.experience-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.experience-info {
    flex: 1;
}

.experience-username {
    font-size: 16px;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 4px;
}

.experience-meta {
    font-size: 14px;
    color: #6B7280;
}

.experience-title {
    font-size: 18px;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 12px;
    line-height: 1.4;
}

.experience-content {
    margin-bottom: 16px;
}

.experience-text {
    font-size: 16px;
    color: #4B5563;
    line-height: 1.6;
    margin-bottom: 16px;
}

.toggle-text {
    color: #3B82F6;
    text-decoration: none;
    font-weight: 500;
    margin-left: 8px;
    transition: all 0.3s;
}

.toggle-text:hover {
    color: #2563EB;
    text-decoration: underline;
}

.experience-images {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    border-radius: 8px;
    max-width: 100%;
}

.experience-images.single-image {
    justify-content: flex-start;
    max-width: 600px;
    margin-left: 0;
    margin-right: 0;
}

.experience-images.multiple-images {
    flex-wrap: wrap;
}

.experience-images .image-item {
    flex: 1 1 300px;
    max-width: 300px;
}

.experience-images img {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.experience-images img:hover {
    transform: scale(1.02);
}

.image-keywords {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.image-keywords span {
    padding: 4px 12px;
    background-color: #F3F4F6;
    border-radius: 12px;
    font-size: 12px;
    color: #6B7280;
}

.experience-actions {
    display: flex;
    gap: 32px;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid #E5E7EB;
}

.action-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #9CA3AF;
    cursor: pointer;
    transition: color 0.3s;
}

.action-item:hover {
    color: #3B82F6;
}

.action-icon {
    position: relative;
    width: 20px;
    height: 20px;
}

/* 互动图标容器：统一布局 */
.interaction-bar {
  display: flex;
  gap: 32px;
  align-items: center;
  margin-top: 16px;
  padding: 8px 0;
}

.interaction-item {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: #4A90E2;
  transition: all 0.2s ease;
}

.interaction-item:hover {
  color: #357ABD;
  transform: scale(1.05);
}

.interaction-item:hover .icon svg {
  fill: #357ABD;
  stroke: #357ABD;
}

/* 图标样式 */
.icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon svg {
  width: 24px;
  height: 24px;
  fill: #4A90E2;
  stroke: #4A90E2;
  transition: all 0.2s ease;
}

/* 消息区样式 */
.message-section {
    padding: 60px 0;
    background-color: #FFFFFF;
}

.message-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.message-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 20px;
}

.message-content p {
    font-size: 18px;
    color: #6B7280;
    margin-bottom: 40px;
}

.message-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.primary-btn, .secondary-btn {
    padding: 12px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.primary-btn {
    background-color: #3B82F6;
    color: #FFFFFF;
    border: 1px solid #3B82F6;
}

.primary-btn:hover {
    background-color: #2563EB;
}

.secondary-btn {
    background-color: #FFFFFF;
    color: #3B82F6;
    border: 1px solid #3B82F6;
}

.secondary-btn:hover {
    background-color: #F3F4F6;
}

/* 企业招聘解决方案区域 */
.enterprise-section {
    padding: 80px 0;
    background-color: #FFFFFF;
}

.enterprise-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.enterprise-info {
    flex: 1;
}

.enterprise-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 20px;
}

.enterprise-info p {
    font-size: 16px;
    color: #6B7280;
    margin-bottom: 30px;
    line-height: 1.6;
}

.enterprise-features {
    list-style: none;
    margin-bottom: 40px;
}

.enterprise-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 16px;
    color: #374151;
}

.enterprise-features li i {
    color: #3B82F6;
    font-size: 18px;
}

.enterprise-image {
    flex: 1;
    max-width: 500px;
}

.enterprise-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 2px solid #E6F7FF;
    padding: 3px;
}

/* 底部导航 */
.footer {
    background-color: #1F2937;
    color: #F3F4F6;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #FFFFFF;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #9CA3AF;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #FFFFFF;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 30px;
    text-align: center;
    color: #9CA3AF;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        width: 90%;
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .enterprise-content {
        flex-direction: column;
        text-align: center;
    }
    
    .enterprise-image {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .nav {
        order: 3;
        width: 100%;
    }
    
    .nav-list {
        gap: 15px;
        overflow-x: auto;
        padding-bottom: 10px;
    }
    
    .search-box {
        width: 100%;
    }
    
    .banner {
        background: linear-gradient(180deg, #f4faff 0%, #e8f6ff 100%);
    }

    .banner-image {
        max-height: none;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .section-actions {
        width: 100%;
        flex-wrap: wrap;
    }
    
    .job-filter {
        flex-wrap: wrap;
    }
    
    .experience-images {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* 登录/注册弹窗样式 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-container {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 2rem;
    padding: 30px;
    width: 90%;
    max-width: 450px;
    position: relative;
    box-shadow: 0 25px 45px -12px rgba(59, 130, 246, 0.25), 0 1px 2px rgba(0, 0, 0, 0.02);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 28px;
    color: #9CA3AF;
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

.modal-close:hover {
    color: #374151;
}

.auth-form h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 8px;
    text-align: center;
}

.auth-subtitle {
    font-size: 14px;
    color: #6B7280;
    text-align: center;
    margin-bottom: 30px;
}

.auth-form form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #3B82F6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.auth-submit-btn {
    width: 100%;
    padding: 14px;
    background-color: #3B82F6;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 8px;
}

.auth-submit-btn:hover {
    background-color: #2563EB;
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: #6B7280;
}

.auth-switch a {
    color: #3B82F6;
    text-decoration: none;
    font-weight: 500;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* ==================== 题库练习模态框样式 ==================== */
.question-bank-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #F0F2F5;
    z-index: 2000;
    overflow: hidden;
}

.question-bank-modal.active {
    display: flex;
    flex-direction: column;
}

/* 题库头部导航 */
.question-bank-header {
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    padding: 0;
    flex-shrink: 0;
    border-bottom: 1px solid #E8E8E8;
}

.question-bank-nav {
    display: flex;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 56px;
    gap: 16px;
}

.question-bank-title {
    font-size: 18px;
    font-weight: 600;
    color: #1F2937;
    padding-right: 16px;
    border-right: 1px solid #E5E7EB;
    display: flex;
    align-items: center;
    gap: 8px;
}

.question-bank-title::before {
    content: '';
    width: 4px;
    height: 18px;
    background: linear-gradient(180deg, #3B82F6, #60A5FA);
    border-radius: 2px;
}

/* 分类标签页 */
.question-bank-category-tabs {
    display: flex;
    gap: 8px;
}

.category-tab {
    padding: 6px 16px;
    color: #666;
    font-size: 14px;
    font-weight: 500;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
    background-color: #F5F5F5;
}

.category-tab:hover {
    background-color: #E8E8E8;
    color: #333;
}

.category-tab.active {
    background-color: #3B82F6;
    color: #fff;
}

.category-tab.add-tab {
    color: #3B82F6;
    background-color: #EBF5FF;
    display: flex;
    align-items: center;
    gap: 4px;
}

.category-tab.add-tab:hover {
    background-color: #DBEAFE;
}

/* 二级标签 */
.question-bank-sub-tabs {
    display: flex;
    gap: 4px;
    padding-left: 16px;
    border-left: 1px solid #E5E7EB;
}

.qbank-tab {
    padding: 8px 16px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    border-radius: 4px;
}

.qbank-tab:hover {
    color: #3B82F6;
    background-color: #F0F7FF;
}

.qbank-tab.active {
    color: #3B82F6;
    background-color: #EBF5FF;
}

.qbank-close {
    background: none;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    color: #999;
    font-size: 18px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
}

.qbank-close:hover {
    background-color: #FEE2E2;
    color: #EF4444;
}

/* 题库主体内容 */
.question-bank-body {
    flex: 1;
    overflow: hidden;
    padding: 0;
}

.question-bank-container {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* 热门公司横向滚动区 */
.hot-companies-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background-color: #fff;
    border-bottom: 1px solid #F0F0F0;
}

.hot-companies-label {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    white-space: nowrap;
}

.hot-companies-scroll {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    flex: 1;
    padding: 4px 0;
}

.hot-companies-scroll::-webkit-scrollbar {
    height: 4px;
}

.hot-companies-scroll::-webkit-scrollbar-thumb {
    background-color: #E0E0E0;
    border-radius: 2px;
}

.hot-company-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background-color: #F8F9FA;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    white-space: nowrap;
    min-width: fit-content;
}

.hot-company-item:hover {
    background-color: #EBF5FF;
    border-color: #3B82F6;
}

.hot-company-item.thailand {
    background: linear-gradient(135deg, #FFF7E6, #FFEDD5);
    border-color: #FBBF24;
    position: relative;
}

.hot-company-item.thailand:hover {
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    border-color: #F59E0B;
}

/* 新加坡企业样式 */
.hot-company-item.singapore {
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    border-color: #4CAF50;
    position: relative;
}

.hot-company-item.singapore:hover {
    background: linear-gradient(135deg, #C8E6C9, #A5D6A7);
    border-color: #388E3C;
}

.hot-company-item.singapore .hot-company-name {
    color: #2E7D32;
}

/* 日韩企业样式 */
.hot-company-item.japan-korea {
    background: linear-gradient(135deg, #FFEBEE, #FFCDD2);
    border-color: #EF5350;
}

.hot-company-item.japan-korea:hover {
    background: linear-gradient(135deg, #FFCDD2, #EF9A9A);
    border-color: #E53935;
}

.hot-company-item.japan-korea .hot-company-name {
    color: #C62828;
}

/* 欧美企业样式 */
.hot-company-item.europe-america {
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
    border-color: #42A5F5;
}

.hot-company-item.europe-america:hover {
    background: linear-gradient(135deg, #BBDEFB, #90CAF9);
    border-color: #1E88E5;
}

.hot-company-item.europe-america .hot-company-name {
    color: #1565C0;
}

/* 东南亚企业样式 */
.hot-company-item.southeast-asia {
    background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
    border-color: #FF9800;
}

.hot-company-item.southeast-asia:hover {
    background: linear-gradient(135deg, #FFE0B2, #FFCC80);
    border-color: #FB8C00;
}

.hot-company-item.southeast-asia .hot-company-name {
    color: #E65100;
}

/* 独角兽企业样式 */
.hot-company-item.unicorn {
    background: linear-gradient(135deg, #F3E5F5, #E1BEE7);
    border-color: #AB47BC;
}

.hot-company-item.unicorn:hover {
    background: linear-gradient(135deg, #E1BEE7, #CE93D8);
    border-color: #8E24AA;
}

.hot-company-item.unicorn .hot-company-name {
    color: #7B1FA2;
}

/* 国央企样式 */
.hot-company-item.state-owned {
    background: linear-gradient(135deg, #FFECB3, #FFD54F);
    border-color: #FFC107;
}

.hot-company-item.state-owned:hover {
    background: linear-gradient(135deg, #FFD54F, #FFCA28);
    border-color: #FFB300;
}

.hot-company-item.state-owned .hot-company-name {
    color: #FF8F00;
}

/* 创业公司样式 */
.hot-company-item.startup {
    background: linear-gradient(135deg, #E0F7FA, #B2EBF2);
    border-color: #26C6DA;
}

.hot-company-item.startup:hover {
    background: linear-gradient(135deg, #B2EBF2, #80DEEA);
    border-color: #00ACC1;
}

.hot-company-item.startup .hot-company-name {
    color: #00838F;
}

.hot-company-logo {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    object-fit: contain;
    background-color: #fff;
    padding: 4px;
}

.thailand-flag {
    font-size: 28px;
    line-height: 1;
}

.hot-company-name {
    font-size: 12px;
    color: #666;
    font-weight: 500;
}

.hot-company-item.thailand .hot-company-name {
    color: #D97706;
}

.new-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: linear-gradient(135deg, #EF4444, #DC2626);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 4px;
    text-transform: uppercase;
}

/* 搜索框 */
.search-box-wrapper {
    position: relative;
    width: 220px;
    flex-shrink: 0;
}

.qbank-search {
    width: 100%;
    padding: 10px 16px 10px 36px;
    border: 1px solid #E5E7EB;
    border-radius: 20px;
    font-size: 13px;
    background-color: #F8F9FA;
    transition: all 0.2s;
}

.qbank-search:focus {
    outline: none;
    border-color: #3B82F6;
    background-color: #fff;
}

.qbank-search::placeholder {
    color: #999;
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 13px;
}

/* 题库列表 */
.question-bank-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px 24px;
}

.question-bank-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

/* 题库卡片 */
.qbank-card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: all 0.2s;
    border: 1px solid transparent;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.qbank-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: #3B82F6;
    transform: translateY(-2px);
}

.qbank-card-header {
    padding: 10px 12px 0;
}

.verified-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: #3B82F6;
    border-radius: 4px;
    color: #fff;
    font-size: 11px;
}

.qbank-card-top {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
}

.qbank-company-logo {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    object-fit: contain;
    background-color: #FAFAFA;
    padding: 5px;
    border: 1px solid #F0F0F0;
    flex-shrink: 0;
}

.qbank-card-info {
    flex: 1;
    min-width: 0;
}

.qbank-card-title {
    font-size: 13px;
    font-weight: 600;
    color: #1F2937;
    line-height: 1.4;
    word-break: break-all;
}

.qbank-card-desc {
    font-size: 12px;
    color: #999;
}

.qbank-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px 14px;
    margin-top: auto;
}

.qbank-meta {
    display: flex;
    gap: 12px;
}

.qbank-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: #999;
}

.qbank-meta-item i {
    color: #CCC;
    font-size: 11px;
}

/* 热度/参与人数 */
.qbank-hot {
    display: flex;
    align-items: center;
    gap: 2px;
    color: #FF6B6B;
}

.hot-number {
    font-size: 12px;
    font-weight: 600;
}

.hot-arrow {
    font-size: 12px;
}

/* 响应式 */
@media (max-width: 1200px) {
    .question-bank-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .hot-companies-bar {
        flex-wrap: wrap;
    }
    
    .search-box-wrapper {
        width: 100%;
        order: 3;
    }
    
    .question-bank-category-tabs {
        flex-wrap: wrap;
    }
}

/* 二级分类标签栏 */
.sub-category-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}

.sub-tab {
    padding: 8px 16px;
    border-radius: 20px;
    background: #f0f0f0;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

.sub-tab:hover {
    background: #e0e0e0;
}

.sub-tab.active, .sub-tab.active-main {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.sub-tab.more {
    background: transparent;
    color: #999;
}

/* 分类标题 */
.category-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 25px 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid #667eea;
}

.category-title h3 {
    font-size: 18px;
    color: #333;
    font-weight: 600;
}

.category-dot {
    width: 8px;
    height: 8px;
    background: #667eea;
    border-radius: 50%;
}

/* 分类卡片网格 */
.question-type-content {
    padding: 10px 0;
}

.question-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.question-type-card {
    background: #fff;
    border-radius: 12px;
    padding: 18px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s;
    cursor: pointer;
}

.question-type-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.12);
}

.type-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.type-card-header .type-name {
    font-size: 15px;
    font-weight: 500;
    color: #333;
}

.type-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
}

.type-progress {
    font-size: 13px;
    color: #999;
}

@media (max-width: 768px) {
    .question-bank-list {
        grid-template-columns: 1fr;
    }
    
    .question-bank-nav {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 16px;
        gap: 12px;
    }
    
    .question-bank-sub-tabs {
        order: 3;
        width: 100%;
        overflow-x: auto;
        border-left: none;
        padding-left: 0;
        border-top: 1px solid #E5E7EB;
        padding-top: 12px;
    }
    
    .qbank-tab {
        padding: 8px 12px;
        white-space: nowrap;
    }
}