/* ============================================================
   智算芯能前沿网 - 全局样式
   使用 @import 加载 Font Awesome 最新版
   ============================================================ */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.2/css/all.min.css');

/* ===== 全局重置 & 基础 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #f5f8fc;
    color: #1a2639;
    line-height: 1.65;
    font-size: 17px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 36px;
}

/* ===== 配色 ===== */
:root {
    --primary-dark: #0b1a33;
    --primary-mid: #1a3a6b;
    --primary-blue: #2563eb;
    --primary-light: #3b82f6;
    --primary-lighter: #60a5fa;
    --primary-pale: #dbeafe;
    --primary-glow: rgba(37, 99, 235, 0.25);
    --accent-cyan: #06b6d4;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(11, 26, 51, 0.06);
    --shadow-md: 0 4px 16px rgba(11, 26, 51, 0.08);
    --shadow-lg: 0 12px 40px rgba(11, 26, 51, 0.12);
    --radius: 14px;
    --radius-sm: 8px;
    --transition: 0.25s ease;
}

/* ===== 顶部通知栏 ===== */
.top-bar {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.top-bar .container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 20px;
}

.top-bar .date {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar .date i {
    color: var(--primary-lighter);
    font-size: 0.8rem;
}

/* 顶部新闻滚动条 */
.top-bar .hot-tag {
    display: flex;
    align-items: center;
    width: 60%;              /* 改为固定宽度 60% */
    flex-shrink: 0;          /* 防止被压缩 */
	margin-left: auto; 
	margin-right: 5px;
    overflow: hidden;
    padding: 5px 0;
}

.top-bar .hot-tag .badge {
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.12);
    padding: 0 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    color: #fff;
    line-height: 24px;
    margin-right: 10px;
}

.top-bar .hot-tag .badge i {
    color: #facc15;
    margin-right: 4px;
    font-size: 0.65rem;
}

/* 滚动容器 */
.top-bar .hot-tag .scroll-wrapper {
    flex: 1;
    overflow: hidden;
}

.top-bar .hot-tag .scroll-content {
    display: inline-flex;
    animation: scroll-left 60s linear infinite;
    will-change: transform;
}

.top-bar .hot-tag .copy-group {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding-left: 20px;
    white-space: nowrap;
}

.top-bar .hot-tag .copy-group a {
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition);
    font-size: 0.85rem;
}

.top-bar .hot-tag .copy-group a:hover {
    color: #fff;
}

.top-bar .hot-tag .copy-group .divider {
    opacity: 0.25;
}

.top-bar .hot-tag:hover .scroll-content {
    animation-play-state: paused;
}

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

/* ===== 头部 ===== */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(4px);
    background: rgba(255, 255, 255, 0.96);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.logo-icon {
    width: 46px;
    height: 46px;
    background: linear-gradient(145deg, var(--primary-dark), var(--primary-mid));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -0.5px;
    box-shadow: 0 2px 8px rgba(11, 26, 51, 0.2);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text .cn {
    font-weight: 700;
    font-size: 1.45rem;
    letter-spacing: 0.5px;
    color: var(--primary-dark);
    line-height: 1.2;
}

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

.logo-text .en {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 1.4px;
    color: var(--gray-500);
    text-transform: uppercase;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav a {
    padding: 10px 22px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: 40px;
    transition: var(--transition);
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: var(--primary-blue);
    background: var(--primary-pale);
}

.nav a.active {
    font-weight: 600;
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 4px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--gray-100);
    border-radius: 40px;
    padding: 0 18px 0 22px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.search-box:focus-within {
    background: var(--white);
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.search-box input {
    border: none;
    background: transparent;
    padding: 10px 0;
    font-size: 0.95rem;
    width: 200px;
    outline: none;
    color: var(--gray-800);
}

.search-box input::placeholder {
    color: var(--gray-400);
    font-weight: 400;
}

.search-box button {
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 4px 0 4px 10px;
    font-size: 1rem;
    transition: var(--transition);
}

.search-box button:hover {
    color: var(--primary-blue);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--gray-700);
    cursor: pointer;
    padding: 4px;
}

/* ===== 面包屑导航 ===== */
.breadcrumb {
    padding: 12px 0 0;
    font-size: 0.85rem;
    color: var(--gray-500);
}

.breadcrumb a {
    color: var(--gray-500);
    transition: var(--transition);
}

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

.breadcrumb .sep {
    margin: 0 8px;
    color: var(--gray-300);
}

/* ===== 主布局 ===== */
.main-layout {
    display: flex;
    gap: 40px;
    margin: 28px 0 40px;
    align-items: flex-start;
}

.left-col {
    flex: 1;
    min-width: 0;
}

.sidebar-fixed {
    width: 420px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    align-self: flex-start;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

/* ============================================================
   首页 - 焦点新闻大图 (Hero)
   ============================================================ */
.hero {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 0;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--white);
    margin-bottom: 32px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease;
}

.hero:hover {
    box-shadow: var(--shadow-md);
}

.hero-main {
    position: relative;
    overflow: hidden;
    min-height: 340px;
    background-color: var(--gray-200);
    border-radius: 0;
}

.hero-main .hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.35s ease, transform 0.6s ease;
    opacity: 1;
    position: absolute;
    top: 0;
    left: 0;
}

.hero-main .hero-img.fade-out {
    opacity: 0;
}

.hero-main .badge-index {
    position: absolute;
    top: 18px;
    left: 20px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 4px 16px 4px 14px;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    z-index: 5;
    pointer-events: none;
}

.hero-main .badge-index .status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

.hero-main .badge-index .status-dot.active {
    background: var(--primary-lighter);
    box-shadow: 0 0 14px rgba(96, 165, 250, 0.7);
}

.hero-main .badge-index .status-text {
    opacity: 0.6;
}

.hero-main .badge-index .status-label {
    font-weight: 600;
    color: #fff;
}

.hero-main .badge-index .status-label.highlight {
    color: var(--primary-lighter);
}

.hero-main .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 28px 32px 24px;
    background: linear-gradient(transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    z-index: 4;
    pointer-events: none;
}

.hero-main .overlay .tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(4px);
    padding: 2px 14px;
    border-radius: 30px;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.4px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 8px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    pointer-events: auto;
}

.hero-main .overlay h2 {
    font-size: 1.45rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 6px;
    max-width: 95%;
    pointer-events: auto;
    transition: color 0.2s;
}

.hero-main .overlay h2 a:hover {
    color: var(--primary-lighter);
}

.hero-main .overlay .meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    flex-wrap: wrap;
}

.hero-main .overlay .meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.hero-main .overlay .meta i {
    font-size: 0.65rem;
    opacity: 0.5;
}

.hero-side {
    padding: 18px 18px 18px 0;
    background: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    cursor: default;
    gap: 2px;
    position: relative;
    margin: 0;
}

.hero-side .side-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 11px 16px 11px 18px;
    border-radius: 0 12px 12px 0;
    transition: background 0.25s ease, transform 0.15s ease;
    cursor: pointer;
    background: transparent;
    margin: 0 4px 0 0;
}

.hero-side .side-item:hover,
.hero-side .side-item.linked {
    background: #f5f7fa;
    transform: translateX(2px);
}

.hero-side .side-item .content {
    flex: 1;
    min-width: 0;
}

.hero-side .side-item .content .title {
    font-size: 0.97rem;
    font-weight: 500;
    color: var(--gray-800);
    transition: color 0.25s ease;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-side .side-item:hover .content .title,
.hero-side .side-item.linked .content .title {
    color: var(--primary-blue);
}

.hero-side .side-item .content .time {
    font-size: 0.7rem;
    color: var(--gray-400);
    margin-top: 3px;
    display: block;
}

.hero-side .side-item .content .time i {
    margin-right: 4px;
    font-size: 0.6rem;
}

.hero-side .hint {
    font-size: 0.65rem;
    color: var(--gray-400);
    text-align: center;
    padding-top: 10px;
    margin-top: 4px;
    border-top: 1px solid var(--gray-200);
    letter-spacing: 0.3px;
    user-select: none;
    opacity: 0.5;
}

.hero-side .hint i {
    margin-right: 4px;
    font-size: 0.55rem;
}

/* ============================================================
   资讯瀑布流 (Feed) - 首页 & 分类页
   ============================================================ */
.feed-header {
    margin-bottom: 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.feed-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.feed-header .count {
    font-size: 0.9rem;
    color: var(--gray-500);
    background: var(--gray-100);
    padding: 4px 16px;
    border-radius: 30px;
}

.feed-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feed-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    display: flex;
    flex-direction: row;
    align-items: stretch;
    min-height: 140px;
}

.feed-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feed-card .card-img {
    flex: 0 0 220px;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--gray-200);
    flex-shrink: 0;
}

.feed-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.feed-card:hover .card-img img {
    transform: scale(1.03);
}

.feed-card .card-body {
    flex: 1;
    padding: 18px 22px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.feed-card .card-body .cat {
    display: inline-block;
    background: var(--primary-pale);
    color: var(--primary-blue);
    padding: 0 14px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 22px;
    align-self: flex-start;
    margin-bottom: 6px;
}

.feed-card .card-body .title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--gray-800);
    line-height: 1.4;
    margin-bottom: 8px;
    transition: var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.feed-card .card-body .title a:hover {
    color: var(--primary-blue);
}

.feed-card .card-body .summary {
    font-size: 0.92rem;
    color: var(--gray-500);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
}

.feed-card .card-body .meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--gray-400);
    margin-top: 4px;
}

.feed-card .card-body .meta i {
    margin-right: 2px;
}

.feed-card .card-body .meta .tags {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-left: 4px;
}

.feed-card .card-body .meta .tags .tag {
    display: inline-block;
    padding: 0 10px;
    background: var(--gray-100);
    border-radius: 12px;
    font-size: 0.65rem;
    line-height: 20px;
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
    white-space: nowrap;
    transition: var(--transition);
    text-decoration: none;
    cursor: pointer;
}

.feed-card .card-body .meta .tags .tag:hover {
    background: var(--primary-pale);
    color: var(--primary-blue);
    border-color: var(--primary-pale);
}

/* ===== 分类页 - 类别标题 ===== */
.category-header {
    margin-bottom: 24px;
}

.category-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.category-header .count {
    font-size: 0.9rem;
    color: var(--gray-500);
    background: var(--gray-100);
    padding: 2px 14px;
    border-radius: 20px;
    margin-left: 12px;
}

/* ============================================================
   详情页 - 文章详情
   ============================================================ */
.article-detail {
    background: #fff;
    border-radius: var(--radius);
    padding: 36px 40px 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.article-detail .article-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1.35;
    margin-bottom: 16px;
}

.article-detail .article-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-bottom: 18px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.9rem;
    color: var(--gray-500);
    flex-wrap: wrap;
}

.article-detail .article-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-detail .article-meta i {
    font-size: 0.85rem;
    color: var(--gray-400);
}

.article-detail .article-body {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--gray-700);
}

.article-detail .article-body p {
    margin-bottom: 18px;
}

.article-detail .article-body img {
    width: 80%;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    margin: 20px auto 0;
    display: block;
}

.article-detail .article-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 28px 0 12px;
}

.article-detail .article-body ul {
    padding-left: 24px;
    margin-bottom: 18px;
}

.article-detail .article-body ul li {
    list-style: disc;
    margin-bottom: 6px;
}

/* ===== 广告位 ===== */
.ad-card .ad-placeholder {
    padding: 24px 20px;
    background: linear-gradient(135deg, #f0f4ff, #e8edf8);
    border-radius: var(--radius-sm);
    text-align: center;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--gray-300);
}

.ad-card .ad-placeholder .ad-label {
    font-size: 0.6rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.ad-card .ad-placeholder .ad-content i {
    font-size: 2.2rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
    display: block;
}

.ad-card .ad-placeholder .ad-content p {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 10px;
}

.ad-card .ad-placeholder .ad-btn {
    display: inline-block;
    padding: 6px 20px;
    background: var(--primary-blue);
    color: #fff;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: default;
}

/* ===== 侧边栏 ===== */
.sidebar-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px 26px 26px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.sidebar-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-card h4 i {
    color: var(--primary-blue);
    font-size: 1rem;
}

.sidebar-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

.sidebar-list li:last-child {
    border-bottom: none;
}

.sidebar-list li a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-800);
    transition: var(--transition);
    line-height: 1.4;
    display: block;
}

.sidebar-list li a:hover {
    color: var(--primary-blue);
}

.sidebar-list li .sub {
    font-size: 0.8rem;
    color: var(--gray-400);
    margin-top: 3px;
    display: block;
}

.sidebar-list .rank {
    display: inline-block;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    background: var(--gray-200);
    color: var(--gray-600);
    font-size: 0.7rem;
    font-weight: 700;
    text-align: center;
    line-height: 22px;
    margin-right: 12px;
    flex-shrink: 0;
}

.sidebar-list .rank.top1 {
    background: #facc15;
    color: #fff;
}
.sidebar-list .rank.top2 {
    background: #94a3b8;
    color: #fff;
}
.sidebar-list .rank.top3 {
    background: #d97706;
    color: #fff;
}

.sidebar-list .rank-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

.tag-cloud span {
    background: var(--gray-100);
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    color: var(--gray-700);
    transition: var(--transition);
    cursor: default;
}

.tag-cloud span:hover {
    background: var(--primary-pale);
    color: var(--primary-blue);
}

/* ============================================================
   分页导航（美化版）
   ============================================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 30px 0 10px;
    flex-wrap: wrap;
    margin-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.pagination .pagination-list {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination .page-item {
    display: inline-block;
}

.pagination .page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-600);
    background: var(--white);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.pagination .page-link:hover {
    background: var(--primary-pale);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.pagination .page-item.active .page-link {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: #fff;
    cursor: default;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.pagination .page-item.disabled .page-link {
    color: var(--gray-300);
    background: var(--gray-100);
    border-color: var(--gray-200);
    cursor: not-allowed;
}

.pagination .page-item.disabled .page-link:hover {
    background: var(--gray-100);
    border-color: var(--gray-200);
    color: var(--gray-300);
}

.pagination .page-link .fas {
    font-size: 0.85rem;
}

.pagination .page-info {
    font-size: 0.9rem;
    color: var(--gray-500);
    padding: 0 12px;
    font-weight: 500;
    white-space: nowrap;
}

.pagination .page-info strong {
    color: var(--primary-dark);
    font-weight: 700;
}

/* ===== 底部 ===== */
.footer {
    margin-top: 20px;
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 44px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 36px;
}

.footer-brand .logo-text .cn {
    color: #fff;
}
.footer-brand .logo-text .cn span {
    color: var(--primary-lighter);
}
.footer-brand .logo-text .en {
    color: rgba(255, 255, 255, 0.4);
}

.footer-brand p {
    font-size: 0.95rem;
    max-width: 340px;
    margin-top: 12px;
    opacity: 0.7;
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: 56px;
    flex-wrap: wrap;
}

.footer-links .col h5 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 14px;
    letter-spacing: 0.3px;
}

.footer-links .col a {
    display: block;
    font-size: 0.9rem;
    padding: 4px 0;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links .col a:hover {
    opacity: 1;
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin-top: 32px;
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.85rem;
    opacity: 0.5;
}

.footer-bottom .social a {
    display: inline-block;
    margin-left: 18px;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
    font-size: 1.1rem;
}

.footer-bottom .social a:hover {
    color: #fff;
    opacity: 1;
}

/* ===== 公众号入口 ===== */
.wechat-entry {
    display: inline-flex;
    align-items: center;
	margin-top:2px;
    margin-left: 16px;
    cursor: pointer;
    position: relative;
    color: #999;
    font-size: 13px;
    transition: color 0.2s;
}

.wechat-entry:hover {
    color: #07c160;
}

.wechat-entry i {
    margin-right: 4px;
    font-size: 14px;
}

.wechat-qr {
    display: none;
    position: absolute;
    top: 28px;
    left: 80%;
    transform: translateX(-50%);
    background: #fff;
    padding: 12px 12px 8px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    z-index: 999;
    text-align: center;
    min-width: 120px;
}

.wechat-qr img {
    width: 120px;
    height: 120px;
    display: block;
    border-radius: 4px;
}

.wechat-qr p {
    margin: 6px 0 0;
    font-size: 12px;
    color: #666;
}

.wechat-entry:hover .wechat-qr {
    display: block;
}

.wechat-qr::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-bottom-color: #fff;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1200px) {
    .container {
        padding: 0 28px;
    }
    .sidebar-fixed {
        width: 340px;
    }
    .feed-card .card-img {
        flex: 0 0 180px;
    }
    .hero-main .overlay h2 {
        font-size: 1.3rem;
    }
}

@media (max-width: 1024px) {
    .main-layout {
        flex-direction: column;
    }
    .sidebar-fixed {
        width: 100%;
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 24px;
    }
    .sidebar-fixed .sidebar-card {
        flex: 1;
        min-width: 260px;
    }
    .hero {
        grid-template-columns: 1fr;
        border-radius: var(--radius);
    }
    .hero-main {
        border-radius: var(--radius) var(--radius) 0 0;
        min-height: 280px;
    }
    .hero-main .overlay h2 {
        font-size: 1.3rem;
        max-width: 100%;
    }
    .hero-side {
        border-radius: 0 0 var(--radius) var(--radius);
        padding: 14px 18px 16px;
    }
    .hero-side .side-item {
        padding: 10px 14px;
        border-radius: 0 10px 10px 0;
    }
    .feed-card .card-img {
        flex: 0 0 160px;
    }
    .hero-main .badge-index {
        top: 14px;
        left: 16px;
        font-size: 0.65rem;
        padding: 3px 12px 3px 10px;
    }
    .hero-main .badge-index .status-dot {
        width: 7px;
        height: 7px;
    }
    .article-detail .article-body img {
        width: 100%;
        max-width: 100%;
        margin-top: 15px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px 28px 28px;
        gap: 4px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--gray-200);
    }
    .nav.open {
        display: flex;
    }
    .nav a {
        width: 100%;
        padding: 12px 18px;
        border-radius: var(--radius-sm);
        font-size: 1rem;
    }
    .nav a.active::after {
        display: none;
    }
    .search-box input {
        width: 200px;
        font-size: 0.85rem;
    }
    .header .container {
        flex-wrap: wrap;
        height: auto;          /* 取消固定高度，让内容撑开 */
        padding: 8px 16px;     /* 适当内边距（可选） */
    }
    .container {
        padding: 0 16px;
    }
    .feed-card {
        flex-direction: column;
        min-height: auto;
    }
    .feed-card .card-img {
        flex: 0 0 auto;
        aspect-ratio: 16 / 9;
        width: 100%;
    }
    .feed-card .card-body {
        padding: 16px 18px 18px;
    }
    .feed-card .card-body .title {
        font-size: 0.98rem;
    }
    .sidebar-fixed {
        flex-direction: column;
    }
    .sidebar-fixed .sidebar-card {
        min-width: auto;
    }
    .hero-main .overlay h2 {
        font-size: 1.05rem;
    }
    .hero-main {
        min-height: 220px;
    }
    .hero-main .overlay {
        padding: 20px 18px 16px;
    }
    .hero-main .overlay .meta {
        font-size: 0.65rem;
        gap: 10px;
    }
    .hero-side .side-item .content .title {
        font-size: 0.9rem;
    }
    .hero-side .hint {
        display: none;
    }
    .hero-main .badge-index {
        top: 12px;
        left: 14px;
        font-size: 0.6rem;
        padding: 2px 10px 2px 8px;
        gap: 6px;
    }
    .hero-main .badge-index .status-dot {
        width: 6px;
        height: 6px;
    }
    .hero-side .side-item {
        padding: 8px 12px;
        border-radius: 0 8px 8px 0;
    }

    /* 详情页移动端 */
    .article-detail {
        padding: 20px 18px 24px;
    }
    .article-detail .article-title {
        font-size: 1.4rem;
    }
    .article-detail .article-meta {
        font-size: 0.8rem;
        gap: 14px;
    }
    .article-detail .article-body {
        font-size: 0.95rem;
    }
    .article-detail .article-body img {
        width: 100%;
        max-width: 100%;
        margin-top: 15px;
    }
	.top-bar .hot-tag {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
        flex-shrink: 1;
        padding: 5px 0;
    }
}

@media (max-width: 480px) {
    .logo-text .cn {
        font-size: 1.2rem;
    }
    .logo-icon {
        width: 38px;
        height: 38px;
        font-size: 16px;
    }
    .search-box input {
        width: 180px;
        font-size: 0.8rem;
    }
    .search-box {
        padding: 0 6px 0 12px;
    }
    .feed-header h2 {
        font-size: 1.2rem;
    }
    .feed-card .card-body .title {
        font-size: 0.92rem;
    }
    .hero-main .overlay h2 {
        font-size: 0.9rem;
    }
    .hero-side .side-item .content .title {
        font-size: 0.8rem;
    }
    .hero-main .overlay .tag {
        font-size: 0.55rem;
        padding: 2px 10px;
        margin-bottom: 4px;
    }
    .hero-main .overlay .meta {
        font-size: 0.6rem;
        gap: 6px;
    }
    .hero-main .overlay {
        padding: 14px 14px 12px;
    }
    .hero-side .side-item {
        padding: 6px 10px;
        gap: 8px;
        border-radius: 0 6px 6px 0;
    }
    .hero-side .side-item .content .time {
        font-size: 0.6rem;
    }
    .hero-main .badge-index {
        top: 10px;
        left: 10px;
        font-size: 0.55rem;
        padding: 2px 8px 2px 6px;
        gap: 4px;
    }
    .hero-main .badge-index .status-dot {
        width: 5px;
        height: 5px;
    }
    .pagination .page-link {
        min-width: 36px;
        height: 36px;
        padding: 0 10px;
        font-size: 0.8rem;
    }
    .pagination .page-info {
        font-size: 0.8rem;
        padding: 0 6px;
    }
    .article-detail .article-body img {
        width: 100%;
        max-width: 100%;
        margin-top: 15px;
    }
		.top-bar .hot-tag {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
        flex-shrink: 1;
        padding: 5px 0;
    }
}