/* ============================================
   飞鸟快讯 - 金融资讯网站
   设计理念：深邃、专业、迅捷
   主色：深海蓝 #0a1929 + 金色 #f0a500
   ============================================ */

:root {
    /* 主色调 */
    --color-navy: #0a1929;
    --color-navy-light: #132f4c;
    --color-navy-lighter: #1e3a5f;
    --color-gold: #f0a500;
    --color-gold-light: #ffd166;
    
    /* 背景色 */
    --bg-body: #f0f2f5;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f8f9fb;
    --bg-overlay: rgba(10, 25, 41, 0.85);
    
    /* 文字色 */
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #8898aa;
    --text-inverse: #ffffff;
    --text-link: #1a56db;
    
    /* 功能色 */
    --color-up: #e63946;       /* 涨 - 红色（中国习惯） */
    --color-down: #2a9d8f;     /* 跌 - 绿色 */
    --color-flat: #8898aa;     /* 平 */
    --color-hot: #ef4444;
    --color-new: #3b82f6;
    --color-bomb: #f72585;
    
    /* 边框 */
    --border-color: #e2e8f0;
    --border-color-light: #edf2f7;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-full: 9999px;
    
    /* 间距 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    
    /* 容器 */
    --container-max: 1240px;
    
    /* 过渡 */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 字体 */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    --font-mono: "SF Mono", "Fira Code", "JetBrains Mono", "Consolas", monospace;
}

/* 暗色模式 */
[data-theme="dark"] {
    --bg-body: #0a1929;
    --bg-surface: #132f4c;
    --bg-surface-hover: #1e3a5f;
    --text-primary: #e2e8f0;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    --border-color: #2d3748;
    --border-color-light: #1e3a5f;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
}

/* ===== Reset ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background 0.3s, color 0.3s;
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-gold);
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ===== 容器 ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ===== 头部 ===== */
.header {
    background: var(--color-navy);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 64px;
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    cursor: pointer;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, #0d2847 0%, #1a3a5c 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(240, 165, 0, 0.3);
}

.logo-icon svg {
    width: 30px;
    height: 30px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 1px;
}

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

/* 搜索框 */
.search-box {
    flex: 1;
    max-width: 420px;
    position: relative;
}

.search-box input {
    width: 100%;
    height: 38px;
    padding: 0 16px 0 40px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    font-size: 14px;
    transition: var(--transition);
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.search-box input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(240, 165, 0, 0.15);
}

.search-box .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: rgba(255, 255, 255, 0.4);
}

/* 导航 */
.nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.nav a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav a:hover, .nav a.active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

/* 主题切换 */
.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-gold);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    width: 36px;
    height: 36px;
    color: #ffffff;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn svg {
    width: 22px;
    height: 22px;
}

/* ===== 行情滚动条 ===== */
.ticker-bar {
    background: var(--color-navy-light);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    height: 40px;
    display: flex;
    align-items: center;
}

.ticker-label {
    background: var(--color-gold);
    color: var(--color-navy);
    font-size: 12px;
    font-weight: 700;
    padding: 6px 14px;
    flex-shrink: 0;
    z-index: 2;
    letter-spacing: 1px;
}

.ticker-track {
    display: flex;
    gap: 32px;
    animation: ticker-scroll 60s linear infinite;
    white-space: nowrap;
    padding-left: 32px;
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
}

.ticker-item .name {
    color: rgba(255, 255, 255, 0.6);
}

.ticker-item .value {
    font-family: var(--font-mono);
    font-weight: 600;
}

.ticker-item .change {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
}

.ticker-item .change.up { color: #ff6b6b; }
.ticker-item .change.down { color: #51cf66; }

@keyframes ticker-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.ticker-bar:hover .ticker-track {
    animation-play-state: paused;
}

/* ===== 主内容布局 ===== */
.main-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--space-lg);
}

/* ===== 焦点新闻 ===== */
.featured-news {
    grid-column: 1 / -1;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    transition: var(--transition);
}

.featured-news:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.featured-visual {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    min-height: 240px;
}

.featured-visual::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(240, 165, 0, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.featured-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-gold);
    color: var(--color-navy);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
    width: fit-content;
    position: relative;
    z-index: 1;
}

.featured-title {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.4;
    margin-bottom: var(--space-sm);
    position: relative;
    z-index: 1;
}

.featured-summary {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    position: relative;
    z-index: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.featured-meta {
    margin-top: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    position: relative;
    z-index: 1;
}

.featured-content {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-content .cat-badge {
    margin-bottom: var(--space-md);
}

/* 分类徽章 */
.cat-badge {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    color: #ffffff;
    width: fit-content;
}

.tag-badge {
    display: inline-flex;
    align-items: center;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-left: 6px;
}

.tag-badge.hot { background: var(--color-hot); color: #fff; }
.tag-badge.new { background: var(--color-new); color: #fff; }
.tag-badge.bomb { background: var(--color-bomb); color: #fff; }

/* ===== 新闻列表 ===== */
.news-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--color-gold);
    border-radius: 2px;
}

.section-more {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.news-card {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    box-shadow: var(--shadow-sm);
    border-left: 3px solid transparent;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.news-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
    border-left-color: var(--color-gold);
}

.news-card-top {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 12px;
    color: var(--text-muted);
}

.news-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
    transition: var(--transition);
}

.news-card:hover .news-card-title {
    color: var(--color-gold);
}

.news-card-summary {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 12px;
    color: var(--text-muted);
}

.news-card-meta .source {
    display: flex;
    align-items: center;
    gap: 4px;
}

.news-card-meta .dot {
    width: 3px;
    height: 3px;
    background: var(--text-muted);
    border-radius: 50%;
}

/* ===== 侧边栏 ===== */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.widget {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.widget-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.widget-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.widget-title .icon {
    width: 18px;
    height: 18px;
    color: var(--color-gold);
}

.widget-body {
    padding: var(--space-sm) 0;
}

/* 行情数据行 */
.market-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px var(--space-lg);
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color-light);
}

.market-row:last-child {
    border-bottom: none;
}

.market-row:hover {
    background: var(--bg-surface-hover);
}

.market-row .info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.market-row .name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.market-row .code {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.market-row .value {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.market-row .price {
    font-size: 14px;
    font-weight: 700;
    font-family: var(--font-mono);
}

.market-row .change {
    font-size: 12px;
    font-family: var(--font-mono);
    font-weight: 600;
}

.market-row .price.up, .market-row .change.up { color: var(--color-up); }
.market-row .price.down, .market-row .change.down { color: var(--color-down); }
.market-row .price.flat, .market-row .change.flat { color: var(--color-flat); }

/* 热门话题 */
.hot-topics {
    padding: var(--space-sm) var(--space-lg);
}

.hot-topic-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color-light);
    cursor: pointer;
    transition: var(--transition);
}

.hot-topic-item:last-child {
    border-bottom: none;
}

.hot-topic-item:hover {
    color: var(--color-gold);
}

.hot-topic-rank {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    font-family: var(--font-mono);
}

.hot-topic-rank.top1 { background: var(--color-hot); color: #fff; }
.hot-topic-rank.top2 { background: #f97316; color: #fff; }
.hot-topic-rank.top3 { background: var(--color-gold); color: #fff; }
.hot-topic-rank.other { background: var(--border-color); color: var(--text-muted); }

.hot-topic-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hot-topic-heat {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    flex-shrink: 0;
}

/* ===== 分类筛选标签 ===== */
.category-tabs {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.cat-tab {
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.cat-tab:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.cat-tab.active {
    background: var(--color-navy);
    color: #ffffff;
    border-color: var(--color-navy);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--color-navy);
    color: rgba(255, 255, 255, 0.6);
    padding: var(--space-2xl) 0 var(--space-lg);
    margin-top: var(--space-2xl);
}

.footer-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-brand .logo-text {
    font-size: 18px;
}

.footer-desc {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.4);
    max-width: 300px;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    padding: 4px 0;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--color-gold);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.3);
}

.footer-bottom .icp {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* ===== 详情页 ===== */
.detail-container {
    max-width: 820px;
    margin: 0 auto;
    padding: var(--space-lg);
}

.detail-header {
    margin-bottom: var(--space-xl);
}

.detail-category {
    margin-bottom: var(--space-md);
}

.detail-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: var(--space-md);
}

.detail-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 13px;
    color: var(--text-muted);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.detail-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
}

.detail-content p {
    margin-bottom: var(--space-md);
}

.detail-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.detail-actions {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--space-md);
}

.btn {
    padding: 8px 20px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background: var(--color-gold);
    color: var(--color-navy);
}

.btn-primary:hover {
    background: var(--color-gold-light);
    transform: translateY(-1px);
}

.btn-outline {
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* 相关新闻 */
.related-news {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 var(--space-lg) var(--space-2xl);
}

.related-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

/* ===== 静态页面 ===== */
.page-container {
    max-width: 760px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
}

.page-container h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.page-container h2 {
    font-size: 20px;
    font-weight: 600;
    margin: var(--space-lg) 0 var(--space-md);
    color: var(--text-primary);
}

.page-container p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.page-container ul {
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

.page-container li {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

/* 联系方式卡片 */
.contact-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.contact-card {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.contact-card .icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--space-sm);
    color: var(--color-gold);
}

.contact-card .label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.contact-card .value {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== 404页面 ===== */
.error-page {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.error-code {
    font-size: 80px;
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
}

.error-msg {
    font-size: 18px;
    color: var(--text-secondary);
    margin: var(--space-md) 0 var(--space-lg);
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.news-card {
    animation: fadeInUp 0.4s ease-out backwards;
}

.news-card:nth-child(1) { animation-delay: 0.05s; }
.news-card:nth-child(2) { animation-delay: 0.1s; }
.news-card:nth-child(3) { animation-delay: 0.15s; }
.news-card:nth-child(4) { animation-delay: 0.2s; }
.news-card:nth-child(5) { animation-delay: 0.25s; }
.news-card:nth-child(6) { animation-delay: 0.3s; }
.news-card:nth-child(7) { animation-delay: 0.35s; }
.news-card:nth-child(8) { animation-delay: 0.4s; }

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md);
    }
}

@media (max-width: 768px) {
    .header-inner {
        padding: 0 var(--space-md);
        gap: var(--space-sm);
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .search-box {
        max-width: none;
    }
    
    .logo-text {
        font-size: 16px;
    }
    
    .featured-news {
        grid-template-columns: 1fr;
    }
    
    .featured-visual {
        min-height: 180px;
        padding: var(--space-lg);
    }
    
    .featured-title {
        font-size: 18px;
    }
    
    .featured-content {
        padding: var(--space-lg);
    }
    
    .main-content {
        padding: var(--space-md);
        gap: var(--space-md);
    }
    
    .sidebar {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .detail-title {
        font-size: 22px;
    }
    
    .related-list {
        grid-template-columns: 1fr;
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .ticker-label {
        display: none;
    }
}

@media (max-width: 480px) {
    .news-card {
        padding: var(--space-md);
    }
    
    .news-card-title {
        font-size: 15px;
    }
    
    .ticker-item {
        font-size: 12px;
    }
}

/* 移动端导航抽屉 */
.mobile-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-navy);
    z-index: 99;
    padding: var(--space-lg);
    flex-direction: column;
    gap: var(--space-sm);
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-nav a:hover {
    color: var(--color-gold);
}