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

:root {
    --primary-green: #22c55e;
    --primary-green-dark: #16a34a;
    --primary-green-light: #4ade80;
    --accent-emerald: #10b981;
    --dark-bg: #0a0f1a;
    --dark-surface: #111827;
    --dark-elevated: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border-color: #374151;
    --hover-overlay: rgba(34, 197, 94, 0.1);
}

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

.modern-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.header-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-logo {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.brand-info {
    display: flex;
    flex-direction: column;
}

.site-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-green-light), var(--accent-emerald));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-tagline {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-item svg {
    width: 20px;
    height: 20px;
}

.nav-item:hover {
    color: var(--primary-green);
    background: var(--hover-overlay);
}

.nav-item.active {
    color: var(--primary-green);
    background: var(--hover-overlay);
}

.header-tools {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-btn {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-elevated);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.tool-btn:hover {
    color: var(--primary-green);
    border-color: var(--primary-green);
    background: var(--hover-overlay);
}

.tool-btn svg {
    width: 20px;
    height: 20px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: var(--dark-elevated);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.mobile-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-secondary);
    transition: all 0.3s ease;
}

.search-overlay {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--dark-surface);
    border-top: 1px solid var(--border-color);
}

.search-overlay.active {
    max-height: 200px;
}

.search-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    gap: 1rem;
}

.search-field {
    flex: 1;
    padding: 1rem 1.5rem;
    background: var(--dark-elevated);
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-field:focus {
    outline: none;
    border-color: var(--primary-green);
}

.search-action {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-green);
    border: none;
    border-radius: 0.75rem;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-action:hover {
    background: var(--primary-green-dark);
    transform: scale(1.05);
}

.search-action svg {
    width: 24px;
    height: 24px;
}

.trending-searches {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.trending-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.trending-tag {
    padding: 0.5rem 1rem;
    background: var(--dark-elevated);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 2rem;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.trending-tag:hover {
    background: var(--primary-green);
    color: white;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background: var(--dark-surface);
    border-right: 1px solid var(--border-color);
    z-index: 2000;
    transition: left 0.3s ease;
    padding: 2rem 0;
}

.mobile-drawer.active {
    left: 0;
}

.drawer-nav {
    display: flex;
    flex-direction: column;
}

.drawer-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.drawer-link:hover,
.drawer-link.active {
    color: var(--primary-green);
    background: var(--hover-overlay);
}

.drawer-link svg {
    width: 24px;
    height: 24px;
}

.site-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-showcase {
    margin: 2rem 0;
    border-radius: 1.5rem;
    overflow: hidden;
    position: relative;
    height: 500px;
    background: linear-gradient(135deg, #1a472a 0%, #0f2922 100%);
}

.hero-slider {
    width: 100%;
    height: 100%;
}

.hero-slide {
    width: 100%;
    height: 100%;
    display: none;
    position: relative;
}

.hero-slide.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(34, 197, 94, 0.15) 0%, transparent 50%);
}

.hero-content-wrapper {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2rem;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid var(--primary-green);
    color: var(--primary-green);
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-heading {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-green-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.cta-primary {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--primary-green);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-primary:hover {
    background: var(--primary-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(34, 197, 94, 0.3);
}

.cta-primary svg {
    width: 20px;
    height: 20px;
}

.cta-secondary {
    padding: 1rem 2rem;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-secondary:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
    background: var(--hover-overlay);
}

.category-quick-nav {
    margin: 3rem 0;
}

.quick-nav-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.quick-category {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.quick-category:hover {
    border-color: var(--primary-green);
    background: var(--hover-overlay);
    transform: translateY(-4px);
}

.category-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(16, 185, 129, 0.2));
    border-radius: 1rem;
    color: var(--primary-green);
}

.category-icon svg {
    width: 28px;
    height: 28px;
}

.quick-category span {
    font-weight: 600;
    font-size: 0.95rem;
}

.content-block {
    margin: 4rem 0;
}

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

.block-title-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.block-title-group svg {
    width: 28px;
    height: 28px;
    color: var(--primary-green);
}

.block-title-group h2 {
    font-size: 1.75rem;
    font-weight: 700;
}

.view-all-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.view-all-link:hover {
    color: var(--primary-green);
}

.view-all-link svg {
    width: 18px;
    height: 18px;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.media-card {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.media-card:hover {
    border-color: var(--primary-green);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.media-poster {
    position: relative;
    width: 100%;
    padding-top: 140%;
    overflow: hidden;
    background: var(--dark-elevated);
}

.media-poster img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.media-card:hover .media-poster img {
    transform: scale(1.1);
}

.media-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 0.375rem 0.75rem;
    background: rgba(34, 197, 94, 0.9);
    color: white;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.media-duration {
    position: absolute;
    bottom: 12px;
    right: 12px;
    padding: 0.375rem 0.75rem;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.media-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 197, 94, 0.9);
    border-radius: 50%;
    opacity: 0;
    transition: all 0.3s ease;
}

.media-card:hover .media-play-btn {
    opacity: 1;
}

.media-play-btn svg {
    width: 24px;
    height: 24px;
    color: white;
}

.media-details {
    padding: 1rem;
}

.media-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.media-stats {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.platform-features {
    margin: 5rem 0;
    padding: 4rem 2rem;
    background: var(--dark-surface);
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
}

.features-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.features-main-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-green-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.features-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-item {
    padding: 2rem;
    background: var(--dark-elevated);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    transition: all 0.3s ease;
}

.feature-item:hover {
    border-color: var(--primary-green);
    transform: translateY(-4px);
}

.feature-icon-wrap {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(16, 185, 129, 0.2));
    border-radius: 1rem;
    color: var(--primary-green);
    margin-bottom: 1.5rem;
}

.feature-icon-wrap svg {
    width: 32px;
    height: 32px;
}

.feature-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-desc {
    color: var(--text-secondary);
    line-height: 1.7;
}

.seo-content {
    margin: 5rem 0;
    padding: 4rem 0;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.03) 0%, rgba(16, 185, 129, 0.03) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.seo-content-wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.seo-header {
    text-align: center;
    margin-bottom: 4rem;
}

.seo-main-title {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #22c55e 0%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.seo-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.seo-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.seo-category-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.seo-category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: rgba(34, 197, 94, 0.3);
}

.seo-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.seo-card-icon svg {
    width: 28px;
    height: 28px;
    color: #22c55e;
}

.seo-card-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.seo-card-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
}

.seo-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.seo-tag {
    padding: 0.375rem 0.875rem;
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(34, 197, 94, 0.2);
    transition: all 0.2s ease;
}

.seo-tag:hover {
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.3);
    transform: translateY(-1px);
}

.seo-footer-note {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    border-left: 4px solid #22c55e;
}

.seo-note-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.seo-note-icon svg {
    width: 24px;
    height: 24px;
    color: #22c55e;
}

.seo-note-content h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.seo-note-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.seo-list {
    list-style: none;
    padding-left: 0;
    margin: 1.5rem 0;
}

.seo-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.seo-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

.seo-list strong {
    color: var(--primary-green);
}

.site-footer {
    margin-top: 5rem;
    background: var(--dark-surface);
    border-top: 1px solid var(--border-color);
}

.footer-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 1.5rem 2rem;
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary-green);
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-elevated);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon:hover {
    color: var(--primary-green);
    border-color: var(--primary-green);
    background: var(--hover-overlay);
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

.footer-contact {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom-bar {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.copyright-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.copyright-text a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.copyright-text a:hover {
    color: var(--primary-green);
}

.footer-seo-text {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.7;
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 1024px) {
    .primary-nav {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-heading {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .media-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    .brand-section {
        gap: 0.75rem;
    }

    .brand-logo {
        width: 40px;
        height: 40px;
    }

    .site-name {
        font-size: 1.25rem;
    }

    .site-tagline {
        display: none;
    }

    .hero-showcase {
        height: 400px;
    }

    .hero-heading {
        font-size: 2rem;
    }

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

    .hero-cta {
        flex-direction: column;
    }

    .quick-nav-container {
        grid-template-columns: repeat(3, 1fr);
    }

    .media-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .features-layout {
        grid-template-columns: 1fr;
    }

    .footer-columns {
        grid-template-columns: repeat(2, 1fr);
    }

    .seo-content {
        padding: 3rem 0;
        margin: 3rem 0;
    }

    .seo-main-title {
        font-size: 2rem;
    }

    .seo-intro {
        font-size: 1rem;
    }

    .seo-categories {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .seo-category-card {
        padding: 1.5rem;
    }

    .seo-card-title {
        font-size: 1.25rem;
    }

    .seo-footer-note {
        flex-direction: column;
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .header-wrapper {
        padding: 0.75rem 1rem;
    }

    .site-main {
        padding: 0 1rem;
    }

    .hero-showcase {
        height: 350px;
        margin: 1rem 0;
    }

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

    .hero-description {
        font-size: 0.95rem;
    }

    .quick-nav-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .block-title-group h2 {
        font-size: 1.5rem;
    }

    .features-main-title {
        font-size: 2rem;
    }

    .seo-content {
        padding: 2rem 0;
        margin: 2rem 0;
    }

    .seo-content-wrapper {
        padding: 0 1rem;
    }

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

    .seo-main-title {
        font-size: 1.75rem;
    }

    .seo-intro {
        font-size: 0.9375rem;
    }

    .seo-categories {
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .seo-category-card {
        padding: 1.25rem;
    }

    .seo-card-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 1rem;
    }

    .seo-card-icon svg {
        width: 24px;
        height: 24px;
    }

    .seo-card-title {
        font-size: 1.125rem;
    }

    .seo-card-desc {
        font-size: 0.875rem;
    }

    .seo-footer-note {
        padding: 1.25rem;
    }

    .seo-note-content h4 {
        font-size: 1.125rem;
    }

    .seo-note-content p {
        font-size: 0.875rem;
    }
}