:root {
    --primary-dark: #0A1628;
    --secondary-dark: #111827;
    --card-bg: #0d2137;
    --accent-blue: #00D4FF;
    --accent-light: #1e3a5f;
    --text-white: #FFFFFF;
    --text-gray: #94a3b8;
    --border-color: rgba(0, 212, 255, 0.2);
    --gradient-blue: linear-gradient(135deg, #00D4FF 0%, #0066CC 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--primary-dark);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo img {
    height: 42px;
    width: auto;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: 2px;
}

.logo-text span {
    color: var(--accent-blue);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-menu a {
    color: var(--text-gray);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.08);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--accent-blue);
    border-radius: 1px;
}

/* ===== 首页视频 ===== */
.hero-video-section {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background: #000;
}

.hero-video {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(10,22,40,0.3) 0%, rgba(10,22,40,0.1) 50%, rgba(10,22,40,0.5) 100%);
    z-index: 2;
    pointer-events: none;
}

/* ===== 页面标题区 ===== */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    background: linear-gradient(180deg, var(--secondary-dark) 0%, var(--primary-dark) 100%);
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 12px;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: 18px;
    color: var(--text-gray);
}

/* ===== 内容容器 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-gray);
    text-align: center;
    margin-bottom: 50px;
}

/* ===== 卡片系统 ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--accent-blue);
}

.card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-white);
}

.card p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--primary-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.1);
}

/* ===== 面包屑 ===== */
.breadcrumb {
    padding: 100px 0 30px;
    background: var(--secondary-dark);
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-gray);
}

.breadcrumb-inner a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb-inner a:hover {
    color: var(--accent-blue);
}

.breadcrumb-inner .sep {
    color: var(--accent-blue);
}

.breadcrumb-inner .current {
    color: var(--text-white);
}

/* ===== 详情页内容 ===== */
.detail-content {
    padding: 50px 0 80px;
}

.detail-section {
    margin-bottom: 50px;
}

.detail-section h2 {
    font-size: 24px;
    margin-bottom: 20px;
    padding-left: 16px;
    border-left: 3px solid var(--accent-blue);
}

.detail-section p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.tag {
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    color: var(--accent-blue);
}

/* ===== 时间线 ===== */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 30px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 4px;
    width: 12px;
    height: 12px;
    background: var(--accent-blue);
    border-radius: 50%;
    border: 3px solid var(--primary-dark);
}

.timeline-item .time {
    font-size: 14px;
    color: var(--accent-blue);
    margin-bottom: 6px;
}

.timeline-item .event {
    font-size: 16px;
    color: var(--text-white);
}

/* ===== 新闻列表 ===== */
.news-item {
    display: flex;
    gap: 24px;
    padding: 28px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.news-item:hover {
    border-color: var(--accent-blue);
    transform: translateX(8px);
}

.news-date {
    flex-shrink: 0;
    width: 70px;
    text-align: center;
}

.news-date .day {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-blue);
    line-height: 1;
}

.news-date .month {
    font-size: 13px;
    color: var(--text-gray);
    margin-top: 4px;
}

.news-body {
    flex: 1;
}

.news-body h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-white);
    transition: color 0.3s;
}

.news-item:hover .news-body h3 {
    color: var(--accent-blue);
}

.news-body p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

.news-meta {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-gray);
}

.news-meta .tag {
    padding: 2px 10px;
    font-size: 12px;
}

/* ===== 客户墙 ===== */
.client-wall {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.client-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 24px 16px;
    text-align: center;
    font-size: 14px;
    color: var(--text-gray);
    transition: all 0.3s ease;
}

.client-item:hover {
    border-color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.05);
    color: var(--text-white);
}

/* ===== 联系表单 ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 30px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-info-item .icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
    font-size: 20px;
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.contact-info-item p {
    font-size: 15px;
    color: var(--text-gray);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-gray);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-white);
    font-size: 15px;
    transition: all 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* ===== 音乐播放器 ===== */
.music-player {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 999;
}

.music-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--accent-blue);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.music-btn:hover {
    background: var(--accent-blue);
    color: var(--primary-dark);
    transform: scale(1.1);
}

.music-btn.playing {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4); }
    50% { box-shadow: 0 0 0 12px rgba(0, 212, 255, 0); }
}

/* ===== AI助手悬浮窗 ===== */
.ai-assistant {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.ai-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-blue);
    border: none;
    color: var(--primary-dark);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
    transition: all 0.3s;
}

.ai-btn:hover {
    transform: scale(1.1);
}

.ai-chat {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 340px;
    height: 450px;
    background: var(--secondary-dark);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: none;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.ai-chat.active { display: flex; }

.ai-chat-header {
    padding: 16px 20px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ai-chat-header h4 {
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-chat-header h4::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #00ff88;
    border-radius: 50%;
}

.ai-chat-close {
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: 20px;
    cursor: pointer;
}

.ai-chat-body {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
}

.ai-chat-msg {
    margin-bottom: 12px;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.6;
    max-width: 85%;
}

.ai-chat-msg.bot {
    background: var(--card-bg);
    color: var(--text-white);
    border: 1px solid var(--border-color);
}

.ai-chat-msg.user {
    background: var(--accent-blue);
    color: var(--primary-dark);
    margin-left: auto;
}

.ai-chat-input {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
}

.ai-chat-input input {
    flex: 1;
    padding: 10px 14px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-white);
    font-size: 13px;
}

.ai-chat-input button {
    padding: 10px 16px;
    background: var(--accent-blue);
    border: none;
    border-radius: 8px;
    color: var(--primary-dark);
    font-weight: 600;
    cursor: pointer;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--secondary-dark);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-gray);
    font-size: 14px;
    margin-top: 16px;
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--text-white);
}

.footer-col a {
    display: block;
    color: var(--text-gray);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: var(--text-gray);
}

/* ===== 数据展示 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 40px 0;
}

.stat-card {
    text-align: center;
    padding: 30px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.stat-card .number {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 8px;
}

.stat-card .label {
    font-size: 14px;
    color: var(--text-gray);
}

/* ===== 对比布局 ===== */
.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.compare-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
}

.compare-box h3 {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.compare-box ul {
    list-style: none;
}

.compare-box li {
    padding: 10px 0;
    color: var(--text-gray);
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.compare-box li::before {
    content: '▸';
    color: var(--accent-blue);
    flex-shrink: 0;
}

/* ===== 表格 ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--card-bg);
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-blue);
}

.data-table td {
    font-size: 14px;
    color: var(--text-gray);
}

.data-table tr:hover td {
    background: rgba(0, 212, 255, 0.03);
}

/* ===== 元信息卡片 ===== */
.meta-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.meta-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 24px;
    text-align: center;
}

.meta-card .label {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 8px;
}

.meta-card .value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-white);
}

/* ===== 图片占位 ===== */
.img-placeholder {
    width: 100%;
    height: 300px;
    background: var(--card-bg);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
    font-size: 14px;
    margin: 24px 0;
}

/* ===== 图片轮播 ===== */
.img-carousel {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 10px 0;
    scroll-snap-type: x mandatory;
}

.img-carousel img {
    height: 200px;
    border-radius: 8px;
    scroll-snap-align: start;
    border: 1px solid var(--border-color);
}

/* ===== 二维码区域 ===== */
.qrcode-area {
    margin-top: 30px;
    padding: 24px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
}

.qrcode-area .qrcode-box {
    width: 160px;
    height: 160px;
    background: #fff;
    border-radius: 8px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    font-size: 12px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .client-wall { grid-template-columns: repeat(3, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .compare-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .meta-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .navbar-container { padding: 0 16px; }
    .nav-menu { display: none; }
    .page-header h1 { font-size: 28px; }
    .card-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .client-wall { grid-template-columns: repeat(2, 1fr); }
    .news-item { flex-direction: column; }
    .ai-chat { width: calc(100vw - 40px); right: -10px; }
    .music-player { bottom: 20px; left: 20px; }
    .ai-assistant { bottom: 20px; right: 20px; }
}

/* ===== 后台管理样式 ===== */
.admin-body {
    background: #0f172a;
    min-height: 100vh;
}

.admin-sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: 260px;
    background: #1e293b;
    border-right: 1px solid var(--border-color);
    padding: 24px 0;
    overflow-y: auto;
}

.admin-sidebar .logo {
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.admin-sidebar .logo-text {
    font-size: 18px;
}

.admin-nav {
    list-style: none;
    padding: 0 12px;
}

.admin-nav li {
    margin-bottom: 4px;
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-gray);
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
}

.admin-nav a:hover,
.admin-nav a.active {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-blue);
}

.admin-main {
    margin-left: 260px;
    padding: 30px;
    min-height: 100vh;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.admin-header h1 {
    font-size: 24px;
}

.admin-card {
    background: #1e293b;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.admin-card h3 {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.admin-table th {
    color: var(--accent-blue);
    font-weight: 600;
    background: rgba(0, 212, 255, 0.05);
}

.admin-table td {
    color: var(--text-gray);
}

.admin-table tr:hover td {
    background: rgba(0, 212, 255, 0.03);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-danger {
    background: #ef4444;
    color: #fff;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-success {
    background: #10b981;
    color: #fff;
}

.btn-success:hover {
    background: #059669;
}

.admin-form .form-group {
    margin-bottom: 20px;
}

.admin-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-white);
}

.admin-form input,
.admin-form textarea,
.admin-form select {
    width: 100%;
    padding: 12px 14px;
    background: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-white);
    font-size: 14px;
}

.admin-form textarea {
    min-height: 150px;
    font-family: inherit;
}

.upload-preview {
    margin-top: 12px;
    max-width: 300px;
}

.upload-preview img {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.login-box {
    max-width: 400px;
    margin: 100px auto;
    background: #1e293b;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 24px;
}

.login-box .logo {
    justify-content: center;
    margin-bottom: 24px;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0;
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: 14px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: var(--text-white);
}

.tab-btn.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-gray);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* ===== 新闻配图滚动轮播 ===== */
.news-gallery {
    margin: 24px 0;
}
.news-gallery-scroll {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 10px 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-blue) var(--card-bg);
}
.news-gallery-scroll::-webkit-scrollbar {
    height: 6px;
}
.news-gallery-scroll::-webkit-scrollbar-track {
    background: var(--card-bg);
    border-radius: 3px;
}
.news-gallery-scroll::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 3px;
}
.news-gallery-item {
    flex-shrink: 0;
    scroll-snap-align: start;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
}
.news-gallery-item img {
    height: 280px;
    width: auto;
    max-width: 500px;
    object-fit: cover;
    display: block;
}
.news-gallery-empty {
    width: 100%;
    height: 300px;
    background: var(--card-bg);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
    font-size: 14px;
}
@media (max-width: 768px) {
    .news-gallery-item img { height: 200px; max-width: 320px; }
}