/* ============================================
   展贸通出海 - 主样式表
   配色：灼日橙 #FF6B00 | 深海夜空 #1A1A2E
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --primary: #FF6B00;
    --primary-hover: #FFB347;
    --dark: #1A1A2E;
    --dark-card: #2D2D44;
    --light: #F5F5F7;
    --white: #FFFFFF;
    --text-dark: #1A1A2E;
    --text-muted: #6B7280;
    --border-color: #E5E7EB;
    --radius: 10px;
    --radius-lg: 12px;
    --transition: all 0.3s ease-out;
    --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
    --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.1);
    --shadow-lg: 0 8px 32px rgba(26, 26, 46, 0.14);
    --font-heading: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    --font-body: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
}

/* ---------- Reset & Base ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    position: relative;
    padding-left: 16px;
    margin-bottom: 2rem;
}

    .section-title::before {
        content: '';
        position: absolute;
        left: 0;
        top: 4px;
        bottom: 4px;
        width: 4px;
        background: var(--primary);
        border-radius: 2px;
    }

/* ---------- Navbar ---------- */
.navbar-custom {
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    transition: var(--transition);
    z-index: 1050;
}

.navbar-logo {
    height: 36px;
    width: auto;
    transition: var(--transition);
}

    .navbar-logo:hover {
        opacity: 0.85;
    }

/* Navbar dropdown */
.navbar-custom .dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 0.5rem 0;
    margin-top: 0.25rem;
    min-width: 180px;
}

.navbar-custom .dropdown-item {
    padding: 0.55rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition);
}

    .navbar-custom .dropdown-item:hover {
        background: rgba(255, 107, 0, 0.06);
        color: var(--primary);
        padding-left: 1.5rem;
    }

    .navbar-custom .dropdown-item i {
        color: var(--text-muted);
        transition: var(--transition);
    }

    .navbar-custom .dropdown-item:hover i {
        color: var(--primary);
    }

.navbar-custom .dropdown-toggle::after {
    margin-left: 6px;
    vertical-align: 2px;
}

.navbar-custom.scrolled {
    box-shadow: var(--shadow-sm);
    border-bottom: 2px solid var(--primary);
}

.navbar-brand-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary) !important;
    letter-spacing: -0.02em;
}

    .navbar-brand-text span {
        color: var(--dark);
    }

.navbar-custom .nav-link {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    position: relative;
    transition: var(--transition);
}

    .navbar-custom .nav-link:hover,
    .navbar-custom .nav-link.active {
        color: var(--primary);
    }

        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

.nav-search {
    position: relative;
    margin-left: 0.5rem;
}

    .nav-search input {
        padding: 0.45rem 0.9rem 0.45rem 2.2rem;
        border: 1px solid var(--border-color);
        border-radius: 20px;
        font-size: 0.875rem;
        outline: none;
        background: var(--light);
        color: var(--text-dark);
        width: 300px;
        transition: var(--transition);
    }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
            width: 340px;
        }

    .nav-search i {
        position: absolute;
        left: 12px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-muted);
        font-size: 0.85rem;
    }

/* ---------- Hero Section ---------- */
.hero-section {
    background: linear-gradient(135deg, var(--dark) 0%, #16213E 50%, #0F3460 100%);
    color: var(--white);
    padding: 5rem 0 4rem;
    position: relative;
    overflow: hidden;
}

    .hero-section::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 600px;
        height: 600px;
        background: radial-gradient(circle, rgba(255, 107, 0, 0.15) 0%, transparent 70%);
        border-radius: 50%;
    }

    .hero-section::after {
        content: '';
        position: absolute;
        bottom: -30%;
        left: -10%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(255, 179, 71, 0.1) 0%, transparent 70%);
        border-radius: 50%;
    }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 107, 0, 0.2);
    border: 1px solid rgba(255, 107, 0, 0.3);
    color: var(--primary-hover);
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.25rem;
}

    .hero-title .highlight {
        color: var(--primary);
    }

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 2rem;
    max-width: 520px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
}

.hero-stat-item {
    text-align: left;
}

.hero-stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
}

/* Hero Featured Card */
.hero-featured {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    height: 100%;
}

    .hero-featured:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    }

.hero-featured-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block !important;
    overflow: hidden;
}

    .hero-featured-img img {
        width: 100%;
        height: 100%;
        -webkit-box-sizing: border-box;
        box-sizing: border-box;
        vertical-align: middle;
        border: 0;
        object-fit: cover;
        -webkit-transition: all 0.35s linear 0s;
        transition: all 0.35s linear 0s;
    }

.hero-featured-body {
    padding: 1.5rem;
}

.hero-featured-tag {
    display: inline-block;
    background: rgba(255, 107, 0, 0.1);
    color: var(--primary);
    padding: 0.2rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.hero-featured-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

    .hero-featured-title a {
        color: inherit;
        transition: var(--transition);
    }

        .hero-featured-title a:hover {
            color: var(--primary);
        }

.hero-featured-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-featured-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Side news list */
.hero-side-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-side-item {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    transition: var(--transition);
    cursor: pointer;
}

    .hero-side-item:hover {
        background: rgba(255, 107, 0, 0.12);
        border-color: rgba(255, 107, 0, 0.3);
        transform: translateX(4px);
    }

.hero-side-item-tag {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.hero-side-item-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-side-item-time {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 6px;
}

/* ---------- Hot News Section ---------- */
.hot-section {
    padding: 4rem 0;
    background: var(--light);
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

    .news-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: transparent;
    }

.news-card-img-wrap {
    position: relative;
    overflow: hidden;
}

.news-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.4s ease-out;
}

.news-card:hover .news-card-img {
    transform: scale(1.05);
}

.news-card-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: var(--white);
    padding: 0.2rem 0.65rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}

.news-card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

    .news-card-title a {
        color: inherit;
        transition: var(--transition);
    }

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

.news-card-excerpt {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.news-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.news-card-author {
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-card-author-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 700;
}


.img-box .play, .image-block .play, .img-block .play {
    background: url(../images/ico_play.png) no-repeat;
    background-position: 0px 0px;
    width: 60px;
    height: 60px;
    position: absolute;
    left: 50%;
    margin-left: -30px;
    top: 50%;
    margin-top: -30px;
    z-index: 1000;
}

/* ---------- Category Section ---------- */
.category-section {
    padding: 4rem 0;
    background: var(--white);
}

.category-tabs .nav-link {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius);
    transition: var(--transition);
    background: transparent;
}

    .category-tabs .nav-link:hover {
        color: var(--primary);
        background: rgba(255, 107, 0, 0.06);
    }

    .category-tabs .nav-link.active {
        color: var(--white);
        background: var(--primary);
    }

.category-article {
    display: flex;
    gap: 1.25rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

    .category-article:last-child {
        border-bottom: none;
    }

    .category-article:hover {
        /*padding-left: 8px;*/
    }

.category-article-img {
    width: 160px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

    .category-article-img img {
        width: 100%;
        height: 100%;
        -webkit-box-sizing: border-box;
        box-sizing: border-box;
        vertical-align: middle;
        border: 0;
        object-fit: cover;
        -webkit-transition: all 0.35s linear 0s;
        transition: all 0.35s linear 0s;
    }

.category-article-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.category-article-tag {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.category-article-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 4px;
}

    .category-article-title a:hover {
        color: var(--primary);
    }

.category-article-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Sidebar card */
.sidebar-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.sidebar-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.trending-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

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

    .trending-item:hover {
        padding-left: 4px;
    }

.trending-rank {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
    flex-shrink: 0;
    background: var(--light);
    color: var(--text-muted);
}

    .trending-rank.top {
        background: var(--primary);
        color: var(--white);
    }

.trending-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------- Data Insight Section ---------- */
.data-section {
    padding: 4rem 0;
    background: var(--dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

    .data-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, var(--primary), var(--primary-hover), var(--primary));
    }

.data-stat-card {
    background: var(--dark-card);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

    .data-stat-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--primary);
        transform: scaleX(0);
        transition: transform 0.3s ease-out;
    }

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

    .data-stat-card:hover {
        transform: translateY(-4px);
        border-color: rgba(255, 107, 0, 0.2);
    }

.data-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 107, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.25rem;
    color: var(--primary);
}

.data-stat-num {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.data-stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.data-chart-placeholder {
    background: var(--dark-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.chart-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.chart-legend {
    display: flex;
    gap: 1.25rem;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

    .chart-legend span::before {
        content: '';
        display: inline-block;
        width: 8px;
        height: 8px;
        border-radius: 2px;
        margin-right: 6px;
    }

    .chart-legend .legend-bar::before {
        background: var(--primary);
    }

    .chart-legend .legend-line::before {
        background: var(--primary-hover);
    }

/* Simple bar chart */
.bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex: 1;
    padding-top: 1rem;
}

.bar-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.bar {
    width: 100%;
    max-width: 40px;
    border-radius: 4px 4px 0 0;
    transition: height 0.6s ease-out;
}

    .bar.primary {
        background: var(--primary);
    }

    .bar.secondary {
        background: var(--primary-hover);
        opacity: 0.5;
    }

.bar-label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ---------- Subscribe Section ---------- */
.subscribe-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #FFF5EB 0%, #FFE8D6 100%);
}

.subscribe-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    border: 1px solid rgba(255, 107, 0, 0.1);
}

.subscribe-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.subscribe-desc {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.subscribe-form {
    display: flex;
    gap: 0.75rem;
    max-width: 480px;
    margin: 0 auto;
}

    .subscribe-form input {
        flex: 1;
        border: 2px solid var(--border-color);
        border-radius: var(--radius);
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
        transition: var(--transition);
    }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
        }

.btn-primary-custom {
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    padding: 0.75rem 1.75rem;
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--transition);
    white-space: nowrap;
}

    .btn-primary-custom:hover {
        background: var(--primary-hover);
        color: var(--dark);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3);
    }

/* ---------- Footer ---------- */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 3rem 0 1.5rem;
}

.footer-brand {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo {
    height: 40px;
    width: auto;
    opacity: 0.9;
    transition: var(--transition);
}

    .footer-logo:hover {
        opacity: 1;
    }

.footer-brand-text {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
}

    .footer-brand-text span {
        color: var(--white);
    }

/* Footer QR code */
.footer-qrcode {
    text-align: center;
    display: inline-flex;
    gap:10px
}

.qrcode-img {
    width: 120px;
    height: 120px;
    border-radius: var(--radius);
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 0.5rem;
}

.qrcode-text {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.footer-desc {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.7;
    max-width: 100%;
}

.footer-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

    .footer-links li {
        margin-bottom: 0.5rem;
    }

    .footer-links a {
        color: rgba(255, 255, 255, 0.5);
        font-size: 0.875rem;
        transition: var(--transition);
    }

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

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

    .footer-social img {
        width: 64px;
    }

    .footer-social a {
        width: 36px;
        height: 36px;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255, 255, 255, 0.6);
        font-size: 1rem;
        transition: var(--transition);
    }

        .footer-social a:hover {
            background: var(--primary);
            color: var(--white);
        }

.footer-bottom {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .hero-featured-img {
        height: 200px;
    }

    .hero-side-list {
        margin-top: 1.5rem;
    }

    .nav-search input {
        width: 140px;
    }

        .nav-search input:focus {
            width: 180px;
        }

    .category-article-img {
        width: 120px;
        height: 80px;
    }

    .subscribe-card {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 767.98px) {
    .hero-section {
        padding: 3rem 0 2.5rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 1.5rem;
    }

    .hero-stat-num {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .news-card-img {
        height: 180px;
    }

    .category-article {
        flex-direction: column;
        gap: 0.75rem;
    }

    .category-article-img {
        width: 100%;
        height: 160px;
    }

    .subscribe-form {
        flex-direction: column;
    }

    .subscribe-title {
        font-size: 1.35rem;
    }

    .data-stat-card {
        padding: 1.5rem 1rem;
    }

    .data-stat-num {
        font-size: 1.75rem;
    }

    .bar-chart {
        gap: 6px;
    }

    .footer-desc {
        max-width: 100%;
    }
}

/* ---------- Utility ---------- */
.text-primary-custom {
    color: var(--primary) !important;
}

.bg-primary-custom {
    background-color: var(--primary) !important;
}

/* Placeholder image backgrounds */
.placeholder-img {
    background: linear-gradient(135deg, #2D2D44 0%, #1A1A2E 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 2rem;
}

.placeholder-img-light {
    background: linear-gradient(135deg, #F5F5F7 0%, #E8E8ED 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(0, 0, 0, 0.15);
    font-size: 2rem;
}

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1040;
    cursor: pointer;
    border: none;
}

    .back-to-top.show {
        opacity: 1;
        visibility: visible;
    }

    .back-to-top:hover {
        background: var(--primary-hover);
        color: var(--dark);
        transform: translateY(-2px);
    }

/* ============================================
   栏目列表页 & 文章详情页 扩展样式
   ============================================ */
.page-container {
    padding-top: 77px;
}
/* ---------- Page Banner ---------- */
.page-banner {
    background: linear-gradient(135deg, var(--dark) 0%, #16213E 50%, #0F3460 100%);
    color: var(--white);
    padding: 5rem 0 3rem;
    position: relative;
    overflow: hidden;
}

    .page-banner::before {
        content: '';
        position: absolute;
        top: -40%;
        right: -15%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(255, 107, 0, 0.12) 0%, transparent 70%);
        border-radius: 50%;
    }

.page-banner-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.page-banner-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb-custom {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    margin-top: 1rem;
    color: #999;
}

    .breadcrumb-custom a {
        color: rgba(255, 255, 255, 0.5);
        transition: var(--transition);
        color: var(--text-dark);
    }

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

    .breadcrumb-custom .sep {
        color: #999;
    }

    .breadcrumb-custom .current {
        color: var(--primary);
    }

.page-banner .breadcrumb-custom a {
    color: rgba(255, 255, 255, 0.5);
}

.page-banner .breadcrumb-custom .sep {
    color: rgba(255, 255, 255, 0.5);
}
/* ---------- Category List Page ---------- */
.category-page {
    padding: 3rem 0;
    background: var(--white);
    min-height: 60vh;
}

.filter-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--white);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

    .filter-tag:hover,
    .filter-tag.active {
        background: var(--primary);
        color: var(--white);
        border-color: var(--primary);
    }

.list-article-card {
    background: var(--white);
    /*    border-radius: var(--radius-lg);*/
    /*    padding: 1.5rem;*/
    margin-bottom: 3rem;
    /*    border: 1px solid var(--border-color);*/
    transition: var(--transition);
    display: flex;
    padding:10px;
    gap: 1.25rem;
}

    .list-article-card:hover {
        box-shadow: var(--shadow-md);
        border-radius: var(--radius-lg);
        border-color: transparent;
        padding:10px;
/*        transform: translateX(4px);*/
    }

.list-article-card-img {
    width: 200px;
    height: 130px;
    border-radius: var(--radius);
    flex-shrink: 0;
    overflow: hidden;
}

    .list-article-card-img .placeholder-img-light {
        width: 100%;
        height: 100%;
        border-radius: var(--radius);
    }

.list-article-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.list-article-card-tag {
    display: inline-block;
    background: rgba(255, 107, 0, 0.1);
    color: var(--primary);
    padding: 0.15rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    width: fit-content;
}

.list-article-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.4;
    margin-bottom: 0.4rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

    .list-article-card-title a {
        color: inherit;
        transition: var(--transition);
    }

        .list-article-card-title a:hover {
            color: var(--primary);
        }

.list-article-card-excerpt {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.list-article-card-meta {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: auto;
}

/* Pagination */
.pagination-custom {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

    .pagination-custom .page-btn {
        min-width: 38px;
        height: 38px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius);
        border: 1px solid var(--border-color);
        background: var(--white);
        color: var(--text-dark);
        font-size: 0.875rem;
        font-weight: 500;
        cursor: pointer;
        transition: var(--transition);
    }

        .pagination-custom .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .pagination-custom .page-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--white);
        }

        .pagination-custom .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

ul.pagination,
ul.pager {
    margin: 20px 0 40px;
    text-align: left;
}

    ul.pagination li {
        padding: 0;
        margin: 0 5px 0 0;
        border-bottom: none;
        font-size: 12px;
        display: inline-block;
        border-radius: var(--radius);
    }

        ul.pagination li > a,
        .pagination > li:first-child > a,
        .pagination > li:last-child > a,
        ul.pager li > a {
            padding: 10px 15px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            line-height: 1;
            background-color: #fafafa;
            display: inline-block;
            border-radius: var(--radius);
            color: #000000;
        }

            ul.pagination li > a:hover {
                background-color: transparent;
                color: #ffffff;
                background-color: var(--primary);
                border-color: var(--primary);
            }

        ul.pagination li.active a,
        .pagination > .active > a:hover,
        .pagination > .active > a:focus {
            color: #ffffff;
            background-color: var(--primary);
            border-color: var(--primary);
            line-height: 1;
        }

        ul.pagination li > a:focus {
            background: none;
        }

/* ---------- Search Page ---------- */

/* Search Banner */
.search-banner {
    background: linear-gradient(135deg, #1A1A2E 0%, #2D2D44 100%);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

    .search-banner::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(255, 107, 0, 0.08) 0%, transparent 70%);
        border-radius: 50%;
    }

.search-box-wrapper {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.search-page-title {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.5rem;
}

.search-page-desc {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.search-main-form {
    margin-bottom: 1rem;
}

.search-input-group {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 12px;
    padding: 0.25rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}

.search-input-icon {
    padding: 0 0.75rem 0 1rem;
    color: #999;
    font-size: 1.1rem;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1rem;
    padding: 0.85rem 0;
    color: #1A1A2E;
    background: transparent;
    font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

    .search-input::placeholder {
        color: #aaa;
    }

.search-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 0.85rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
    white-space: nowrap;
    font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

    .search-btn:hover {
        background: #FFB347;
    }

.search-hot-tags {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.search-hot-label {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.search-hot-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.82rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

    .search-hot-tag:hover {
        background: rgba(255, 107, 0, 0.2);
        border-color: var(--primary);
        color: var(--primary);
    }

/* Search Empty State */
.search-empty {
    text-align: center;
    padding: 5rem 2rem;
}

    .search-empty i {
        font-size: 4rem;
        color: #ddd;
        margin-bottom: 1rem;
        display: block;
    }

    .search-empty h3 {
        font-size: 1.3rem;
        font-weight: 600;
        color: #1A1A2E;
        margin-bottom: 0.5rem;
    }

    .search-empty p {
        color: #888;
        font-size: 0.95rem;
    }

/* Search Result Header */
.search-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.search-result-count {
    color: #666;
    font-size: 0.9rem;
}

    .search-result-count strong {
        color: var(--primary);
    }

.search-sort {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.search-sort-label {
    color: #999;
    font-size: 0.85rem;
    margin-right: 0.25rem;
}

.search-sort-item {
    padding: 0.3rem 0.75rem;
    font-size: 0.82rem;
    color: #666;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

    .search-sort-item:hover {
        color: var(--primary);
    }

    .search-sort-item.active {
        background: rgba(255, 107, 0, 0.1);
        color: var(--primary);
        font-weight: 600;
    }

/* Search Highlight */
em {
    font-style: normal;
    color: var(--primary);
    font-weight: 600;
    background: rgba(255, 107, 0, 0.08);
    padding: 0 2px;
    border-radius: 2px;
}

/* Search Filter Tags */
.search-filter-group {
    margin-bottom: 1rem;
}

.search-filter-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: #1A1A2E;
    margin-bottom: 0.5rem;
}

.filter-tag {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    border: 1px solid #e0e0e0;
    border-radius: 20px;
    font-size: 0.8rem;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
}

    .filter-tag:hover {
        border-color: var(--primary);
        color: var(--primary);
    }

    .filter-tag.active {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
    }

/* Responsive search */
@media (max-width: 767.98px) {
    .search-banner {
        padding: 7rem 0 2rem;
    }

    .search-page-title {
        font-size: 1.5rem;
    }

    .search-input-group {
        flex-direction: column;
        border-radius: 16px;
        padding: 0.5rem;
    }

    .search-input-icon {
        display: none;
    }

    .search-input {
        width: 100%;
        text-align: center;
        padding: 0.75rem;
    }

    .search-btn {
        width: 100%;
        border-radius: 10px;
    }

    .search-result-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .search-sort {
        flex-wrap: wrap;
    }
}

/* ---------- Article Detail Page ---------- */
.article-page {
    padding: 1rem 0;
    background: var(--white);
}

.article-header {
    margin-bottom: 2rem;
}

    .article-header .tag {
        display: inline-block;
        background: rgba(255, 107, 0, 0.1);
        color: var(--primary);
        padding: 0.25rem 0.75rem;
        border-radius: 4px;
        font-size: 0.8rem;
        font-weight: 600;
        margin-bottom: 1rem;
    }

    .article-header h1 {
        font-size: 2rem;
        font-weight: 800;
        line-height: 1.35;
        margin-bottom: 1rem;
        color: var(--text-dark);
    }

.article-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

    .article-meta .author-info {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .article-meta .author-avatar {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: var(--light);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.8rem;
        font-weight: 700;
        color: var(--primary);
    }

.article-cover {
    width: 100%;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    overflow: hidden;
}

    .article-cover .placeholder-img {
        height: 400px;
        border-radius: var(--radius-lg);
    }

/* Article body content */
.article-body {
    font-size: 1.05rem;
    line-height: 2;
    color: var(--text-dark);
}

    .article-body h1 {
        font-size: 1.5rem;
        font-weight: 700;
        margin: 2.5rem 0 1rem;
        padding-left: 14px;
        border-left: 4px solid var(--primary);
    }

    .article-body h2 {
        font-size: 1.25rem;
        font-weight: 700;
        margin: 2rem 0 0.75rem;
    }

    .article-body p {
        margin-bottom: 1.25rem;
    }

    .article-body blockquote {
        border-left: 4px solid var(--primary);
        background: rgba(255, 107, 0, 0.04);
        padding: 1.25rem 1.5rem;
        margin: 1.5rem 0;
        border-radius: 0 var(--radius) var(--radius) 0;
        font-style: italic;
        color: var(--text-muted);
    }

    .article-body ul, .article-body ol {
        margin-bottom: 1.25rem;
        padding-left: 1.5rem;
    }

    .article-body li {
        margin-bottom: 0.5rem;
    }

    /*    .article-body strong {
        color: var(--text-dark);
    }
    */
    .article-body a {
        color: var(--primary);
        text-decoration: underline;
        text-underline-offset: 2px;
    }

        .article-body a:hover {
            color: var(--primary-hover);
        }

    .article-body img {
        max-width: 100%;
        border-radius: var(--radius-lg);
    }

    .article-body table{
        width: 100% !important;
    }


.article-body_video {
    position: relative;
    overflow: hidden;
    width: 100%;
    margin: 20px auto;
    border-radius: 5px;
}

    .article-body_video video {
        width: 100%;
        height: 100%;
        object-fit: fill;
    }



.videoBox {
    width: 100%;
    text-align: center;
    clear: both;
    position: relative;
    background-size: 100% 100%;
    position: relative;
    background-size: 100% 100%;
    -moz-background-size: 100% 100%;
    border-radius: 5px;
}

    .videoBox.out {
        position: fixed;
        top: 150px;
        /*bottom: 80px;*/
        right: 20px;
        width: 320px;
        height: 185px;
        padding: 5px;
        background: #000;
        z-index: 100000;
        animation: an 0.1s;
    }

    .videoBox .mask {
        width: 100%;
        text-align: center;
        height: 420px;
        background-color: rgba(0, 0, 0, .5);
        text-align: center;
        position: absolute;
        border: 0;
        top: 0;
        z-index: 1000;
        border-radius: 5px;
    }

    .videoBox img {
        width: 100%;
        height: 100%;
        z-index: 900;
        border-radius: 5px;
        object-fit: fill;
    }

    .videoBox .play {
        background: url(../images/ico_play.png) no-repeat;
        background-position: 0px 0px;
        width: 60px;
        height: 60px;
        position: absolute;
        left: 50%;
        margin-left: -30px;
        top: 50%;
        margin-top: -30px;
    }

.vjs-paused .vjs-big-play-button,
.vjs-paused.vjs-has-started .vjs-big-play-button {
    display: block;
}

.video-js.vjs-playing .vjs-tech {
    pointer-events: auto;
}

.videojs-background-wrap {
    overflow: hidden;
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    z-index: -998;
}

.video-js .vjs-big-play-button {
    font-size: 2.5em;
    line-height: 2.3em;
    height: 2.5em;
    width: 2.5em;
    -webkit-border-radius: 2.5em;
    -moz-border-radius: 2.5em;
    border-radius: 2.5em;
    background-color: #73859f;
    background-color: rgba(115, 133, 159, .5);
    border-width: 0.15em;
    margin-top: -1.25em;
    margin-left: -1.75em;
}

.vjs-big-play-button .vjs-icon-placeholder {
    font-size: 1.63em;
}

.vjs-loading-spinner {
    font-size: 2.5em;
    width: 2em;
    height: 2em;
    border-radius: 1em;
    margin-top: -1em;
    margin-left: -1.5em;
}

/* Article tags */
.article-tags {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

    .article-tags .label {
        font-size: 0.875rem;
        color: var(--text-muted);
        font-weight: 600;
    }

    .article-tags .tag-item {
        display: inline-flex;
        align-items: center;
        padding: 0.3rem 0.75rem;
        border-radius: 16px;
        font-size: 0.8rem;
        background: var(--light);
        color: var(--text-muted);
        transition: var(--transition);
    }

        .article-tags .tag-item:hover {
            background: rgba(255, 107, 0, 0.1);
            color: var(--primary);
        }

/* Article share */
.article-share {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

    .article-share .label {
        font-size: 0.875rem;
        color: var(--text-muted);
        font-weight: 600;
    }

.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    background: var(--light);
    color: var(--text-muted);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

    .share-btn:hover {
        background: var(--primary);
        color: var(--white);
    }

/* Related articles */
.related-section {
    padding: 3rem 0;
    background: var(--light);
}

    .related-section .section-title {
        margin-bottom: 1.5rem;
    }

/* Article sidebar */
.article-sidebar .sidebar-card {
    position: sticky;
    top: 90px;
}

/* Article TOC */
.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

    .toc-list li {
        margin-bottom: 0.4rem;
    }

    .toc-list a {
        display: block;
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
        color: var(--text-muted);
        border-left: 2px solid transparent;
        border-radius: 0 4px 4px 0;
        transition: var(--transition);
    }

        .toc-list a:hover,
        .toc-list a.active {
            color: var(--primary);
            border-left-color: var(--primary);
            background: rgba(255, 107, 0, 0.04);
        }

/* ---------- Responsive: List & Detail ---------- */
@media (max-width: 991.98px) {
    .list-article-card-img {
        width: 160px;
        height: 100px;
    }

    .article-header h1 {
        font-size: 1.5rem;
    }

    .article-cover .placeholder-img {
        height: 260px;
    }

    .page-banner-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 767.98px) {
    .list-article-card {
        flex-direction: column;
        gap: 0.75rem;
    }

    .list-article-card-img {
        width: 100%;
        height: 180px;
    }

    .article-header h1 {
        font-size: 1.35rem;
    }

    .article-cover .placeholder-img {
        height: 200px;
    }

    .page-banner {
        padding: 3.5rem 0 2rem;
    }

    .page-banner-title {
        font-size: 1.3rem;
    }

    .article-body {
        font-size: 1rem;
    }

        .article-body h2 {
            font-size: 1.25rem;
        }
}

/* =============== Exhibition Page =============== */

/* Exhibition Banner */
.exhibition-banner {
    background: linear-gradient(135deg, #1A1A2E 0%, #2D2D44 100%);
    padding: 6rem 0 3rem;
    position: relative;
    overflow: hidden;
}

    .exhibition-banner::before {
        content: '';
        position: absolute;
        top: -30%;
        right: -15%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(255, 107, 0, 0.1) 0%, transparent 70%);
        border-radius: 50%;
    }

/* Exhibition Stat Cards */
.exhibition-stat-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 10px;
    padding: 1.25rem 1rem;
    transition: all 0.3s ease;
}

    .exhibition-stat-card:hover {
        border-color: var(--primary);
        box-shadow: 0 4px 15px rgba(255, 107, 0, 0.1);
        transform: translateY(-2px);
    }

.exhibition-stat-num {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.exhibition-stat-label {
    font-size: 0.8rem;
    color: #888;
    margin-top: 0.25rem;
}

/* Exhibition Card */
.exhibition-card {
    display: block;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

    .exhibition-card:hover {
        border-color: var(--primary);
        box-shadow: 0 8px 25px rgba(255, 107, 0, 0.12);
        transform: translateY(-2px);
    }

.exhibition-card-img {
    position: relative;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

    .exhibition-card-img i {
        font-size: 2.5rem;
        color: rgba(255, 255, 255, 0.6);
    }

.exhibition-card-body {
    padding: 1.25rem;
}

.exhibition-flag {
    font-size: 1.25rem;
    line-height: 1;
}

.exhibition-country {
    font-size: 0.8rem;
    color: #888;
}

.exhibition-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #1A1A2E;
    margin-bottom: 0.4rem;
}

.exhibition-card:hover .exhibition-card-title {
    color: var(--primary);
}

.exhibition-card-desc {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Exhibition Detail Header */
.exhibition-detail-header {
    background: linear-gradient(135deg, #1A1A2E 0%, #2D2D44 50%, #1A1A2E 100%);
    padding: 5rem 0 3rem;
    position: relative;
    overflow: hidden;
}

    .exhibition-detail-header::before {
        content: '';
        position: absolute;
        top: -40%;
        right: -10%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(255, 107, 0, 0.12) 0%, transparent 70%);
        border-radius: 50%;
    }

/* Exhibition Cover */
.exhibition-cover {
    border-radius: 10px;
    overflow: hidden;
}

.exhibition-cover-placeholder {
    height: 320px;
    background: linear-gradient(135deg, #1A1A2E, #2D2D44);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Exhibition Info Card */
.exhibition-info-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 10px;
    padding: 1rem 0.75rem;
    transition: all 0.3s ease;
}

    .exhibition-info-card:hover {
        border-color: var(--primary);
    }

/* Exhibition Detail Content */
.exhibition-detail-content h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #1A1A2E;
}

.exhibition-detail-content p {
    font-size: 0.9rem;
    color: #444;
    line-height: 1.8;
}

.exhibition-scope-list li {
    padding: 0.35rem 0;
    font-size: 0.85rem;
    color: #444;
}

/* Exhibition Schedule */
.exhibition-schedule {
    border-left: 3px solid var(--primary);
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.exhibition-schedule-item {
    position: relative;
    padding-bottom: 1.5rem;
}

    .exhibition-schedule-item::before {
        content: '';
        position: absolute;
        left: -1.85rem;
        top: 0.35rem;
        width: 12px;
        height: 12px;
        background: var(--primary);
        border-radius: 50%;
        border: 3px solid #fff;
        box-shadow: 0 0 0 2px var(--primary);
    }

    .exhibition-schedule-item:last-child {
        padding-bottom: 0;
    }

.schedule-date {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.schedule-content {
    font-size: 0.85rem;
}

/* Exhibition Venue Card */
.exhibition-venue-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 10px;
    overflow: hidden;
}

.exhibition-venue-img {
    height: 160px;
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Exhibition Tips */
.exhibition-tips {
    margin-bottom: 1.5rem;
}

.exhibition-tip-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

    .exhibition-tip-item:last-child {
        margin-bottom: 0;
    }

.tip-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Exhibition Related Card */
.exhibition-related-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

    .exhibition-related-card:hover {
        border-color: var(--primary);
        box-shadow: 0 6px 20px rgba(255, 107, 0, 0.1);
        transform: translateY(-3px);
    }

.exhibition-related-img {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .exhibition-related-img i {
        font-size: 2rem;
        color: rgba(255, 255, 255, 0.6);
    }

/* Responsive for Exhibition */
@media (max-width: 767.98px) {
    .exhibition-card-img {
        height: 140px;
    }

    .exhibition-cover-placeholder {
        height: 200px;
    }

    .exhibition-detail-header {
        padding: 4.5rem 0 2rem;
    }

    .exhibition-stat-num {
        font-size: 1.35rem;
    }

    .exhibition-venue-img {
        height: 120px;
    }
}

/* ========== Video Page ========== */
.video-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

    .video-filter .filter-tag {
        padding: 6px 16px;
        border-radius: 20px;
        border: 1px solid #e0e0e0;
        background: #fff;
        color: #666;
        font-size: 0.875rem;
        cursor: pointer;
        transition: all 0.3s ease-out;
    }

        .video-filter .filter-tag:hover,
        .video-filter .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

/* Featured Video */
.video-featured-link {
    display: block;
    text-decoration: none;
    color: inherit;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease-out;
}

    .video-featured-link:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 30px rgba(255,107,0,0.15);
    }

.video-featured-thumb {
    position: relative;
}

.video-featured-info {
    padding: 20px;
}

    .video-featured-info h3 {
        font-size: 1.25rem;
        font-weight: 700;
        margin-bottom: 8px;
    }

/* Video Card */
.video-card {
    display: block;
    text-decoration: none;
    color: inherit;
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: all 0.3s ease-out;
}

    .video-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 24px rgba(255,107,0,0.12);
    }

.video-card-thumb {
    position: relative;
}

.video-card-body {
    padding: 14px;
}

    .video-card-body h5 {
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 6px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

/* Video Play Button */
.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255,107,0,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    z-index: 2;
    transition: all 0.3s ease-out;
}

    .video-play-btn.sm {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }

    .video-play-btn.xs {
        width: 28px;
        height: 28px;
        font-size: 0.7rem;
        top: 50%;
        left: 50%;
    }

.video-card:hover .video-play-btn,
.video-featured-link:hover .video-play-btn {
    background: rgba(255,107,0,1);
    transform: translate(-50%, -50%) scale(1.1);
}

/* Video Duration */
.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.75);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    z-index: 2;
}

/* Video Category Tag */
.video-cat-tag {
    display: inline-block;
    background: rgba(255,107,0,0.1);
    color: var(--primary);
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Video Meta */
.video-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: #999;
    font-size: 0.8rem;
    margin-bottom: 0;
}

    .video-meta span {
        display: inline-flex;
        align-items: center;
    }

/* Sidebar Video List */
.sidebar-video-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-video-item {
    display: flex;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.2s;
}

    .sidebar-video-item:hover {
        background: #f5f5f7;
    }

.sidebar-video-thumb {
    position: relative;
    flex-shrink: 0;
    width: 100px;
    border-radius: 6px;
    overflow: hidden;
}

.sidebar-video-info {
    flex: 1;
    min-width: 0;
}

    .sidebar-video-info h6 {
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 4px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .sidebar-video-info span {
        font-size: 0.75rem;
        color: #999;
    }

/* Video Detail */
.video-player-wrap {
    border-radius: 12px;
    overflow: hidden;
    background: #000;
}

    .video-player-wrap .xgplayer {
        width: 100%;
        aspect-ratio: 16/9;
    }

.video-detail-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.video-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    color: #888;
    font-size: 0.875rem;
    align-items: center;
}

    .video-detail-meta span {
        display: inline-flex;
        align-items: center;
    }

/* Video Chapters */
.chapter-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chapter-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

    .chapter-item:hover,
    .chapter-item.active {
        background: rgba(255,107,0,0.08);
    }

    .chapter-item.active {
        border-left: 3px solid var(--primary);
    }

.chapter-time {
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    min-width: 50px;
}

.chapter-title {
    font-size: 0.9rem;
    color: #333;
}

/* Article Video Box */
.article-video-box {
    margin: 24px 0;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    position: relative;
}

    .article-video-box .xgplayer {
        width: 100%;
        aspect-ratio: 16/9;
    }

.article-video-label {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 10;
    background: rgba(255,107,0,0.9);
    color: #fff;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Article Gallery */
.article-gallery {
    margin: 24px 0;
}

.article-gallery-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease-out;
}

    .gallery-item:hover {
        transform: scale(1.03);
        box-shadow: 0 4px 16px rgba(255,107,0,0.2);
    }

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 6px 10px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: #fff;
    font-size: 0.75rem;
}

/* Gallery Lightbox */
.gallery-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.92);
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

    .gallery-lightbox.active {
        display: flex;
    }

.lightbox-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    padding: 8px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

    .lightbox-close:hover {
        opacity: 1;
    }

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 16px;
    border-radius: 50%;
    z-index: 10;
    transition: background 0.2s;
}

.lightbox-prev {
    left: 16px;
}

.lightbox-next {
    right: 16px;
}

    .lightbox-prev:hover,
    .lightbox-next:hover {
        background: rgba(255,255,255,0.3);
    }

.lightbox-content {
    max-width: 90vw;
    max-height: 80vh;
    text-align: center;
}

.lightbox-img-wrap {
    border-radius: 8px;
    overflow: hidden;
}

.lightbox-caption {
    color: #ccc;
    font-size: 0.9rem;
    margin-top: 12px;
}

.lightbox-counter {
    color: #888;
    font-size: 0.8rem;
    margin-top: 4px;
}

/* Video Responsive */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .video-featured-thumb .placeholder-img {
        height: 220px !important;
    }

    .video-detail-title {
        font-size: 1.2rem;
    }

    .chapter-item {
        padding: 8px 10px;
    }
}

/* ============================================
   HTML5 Utility Classes (替换内联样式)
   ============================================ */
.fs-xs {
    font-size: .7rem;
}

.fs-sm {
    font-size: .75rem;
}

.fs-8 {
    font-size: .8rem;
}

.fs-85 {
    font-size: .85rem;
}

.fs-875 {
    font-size: .875rem;
}

.fs-9 {
    font-size: .9rem;
}

.fs-1 {
    font-size: 1rem;
}

.fs-11 {
    font-size: 1.1rem;
}

.fs-125 {
    font-size: 1.25rem;
}

.fs-15 {
    font-size: 1.5rem;
}

.fw-600 {
    font-weight: 600;
}

.fw-800 {
    font-weight: 800;
}

.text-primary-color {
    color: var(--primary);
}

.text-muted-custom {
    color: #888;
}

.text-muted-dark {
    color: #666;
}

.text-success-custom {
    color: #28a745;
}

.lh-1 {
    line-height: 1;
}

.min-w-48 {
    min-width: 48px;
}

.z-1 {
    z-index: 1;
}

.bg-light-custom {
    background: var(--light);
    color: var(--text-dark);
    transition: var(--transition);
}

.bg-light-gray {
    background: #F5F5F7;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.progress-bar-custom {
    height: 6px;
    background: rgba(255,255,255,0.08);
    border-radius: 3px;
}

.border-custom {
    border-color: var(--border-color) !important;
}

.fs-sm-muted {
    font-size: .75rem;
    color: #888;
}

.fs-sm-muted-dark {
    font-size: .75rem;
    color: #666;
}

.fs-85-muted {
    font-size: .85rem;
    color: #666;
}

.fs-sm-primary {
    font-size: .75rem;
    color: var(--primary);
}

.fs-875-fw {
    font-size: .875rem;
    font-weight: 600;
}

.fs-9-fw {
    font-weight: 600;
    font-size: .9rem;
}

.fs-11-primary {
    font-size: 1.1rem;
    color: var(--primary);
}

.fs-125-primary {
    font-size: 1.25rem;
    color: var(--primary);
}

.fs-xs-muted {
    font-size: .7rem;
    color: var(--text-muted);
}

.fs-sm-text-muted {
    font-size: .75rem;
    color: var(--text-muted);
}

.fs-8-muted {
    font-size: .8rem;
    color: #888;
}

.fs-65 {
    font-size: .65rem;
}

.mt-66 {
    margin-top: 66px;
}

.text-muted-888 {
    color: #888;
}

.fs-2-primary {
    font-size: 2rem;
    color: var(--primary);
}

.fs-65-primary {
    font-size: .65rem;
    background: var(--primary);
}

.fs-65-success {
    font-size: .65rem;
    background: #28a745;
}

.fs-65-warm {
    font-size: .65rem;
    background: #FFB347;
}

.bg-grad-dark {
    background: linear-gradient(135deg,#1A1A2E,#2D2D44);
}

.bg-grad-card {
    background: linear-gradient(135deg,#2D2D44,#4a4a6a);
}

.bg-grad-card-alt {
    background: linear-gradient(135deg,#2D2D44,#3D3D5C);
}

.bg-grad-orange {
    background: linear-gradient(135deg,#FF6B00,#FFB347);
}

.bg-grad-red {
    background: linear-gradient(135deg,#DC2626,#f87171);
}

.bg-grad-purple {
    background: linear-gradient(135deg,#8B5CF6,#a78bfa);
}

.bg-grad-amber {
    background: linear-gradient(135deg,#F59E0B,#fbbf24);
}

.bg-grad-green {
    background: linear-gradient(135deg,#1a6b3c,#2ea55f);
}

.bg-grad-dark-white {
    background: linear-gradient(135deg,#1A1A2E,#2D2D44);
    color: #fff;
}

.h-56-grad-dark {
    height: 56px;
    background: linear-gradient(135deg,#1A1A2E,#2D2D44);
}

.h-56-grad-card {
    height: 56px;
    background: linear-gradient(135deg,#2D2D44,#3D3D5C);
}

.h-56-grad-card-alt {
    height: 56px;
    background: linear-gradient(135deg,#3D3D5C,#1A1A2E);
}

.h-200-grad-card {
    height: 200px;
    background: linear-gradient(135deg,#2D2D44,#3D3D5C);
}

.h-200-grad-dark {
    height: 200px;
    background: linear-gradient(135deg,#1A1A2E,#2D2D44);
}

.pl-15-fs-8 {
    padding-left: 1.5rem;
    font-size: 0.8rem;
}