/* 游戏特色卡片 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-red), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-6px);
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-md);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(229, 57, 53, 0.1);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.feature-icon-svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent-red);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.feature-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 游戏模式卡片 */
.modes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.mode-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.mode-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.mode-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-md);
}

.mode-card:hover::after {
    transform: scaleX(1);
}

.mode-red::after { background: linear-gradient(90deg, var(--color-accent-red), transparent); }
.mode-orange::after { background: linear-gradient(90deg, var(--color-accent-orange), transparent); }
.mode-cyan::after { background: linear-gradient(90deg, var(--color-accent-cyan), transparent); }

.mode-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.mode-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
}

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

.mode-red .mode-icon { color: var(--color-accent-red); background: rgba(229, 57, 53, 0.1); }
.mode-orange .mode-icon { color: var(--color-accent-orange); background: rgba(255, 109, 0, 0.1); }
.mode-cyan .mode-icon { color: var(--color-accent-cyan); background: rgba(0, 229, 255, 0.1); }

.mode-name {
    font-size: 1.15rem;
    font-weight: 700;
}

.mode-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.mode-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mode-tag {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 武器装备 */
.weapons-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.weapon-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
}

.weapon-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-glow-red);
}

.weapon-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-accent-red);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.weapon-name {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.weapon-desc {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    min-height: 3.2em;
}

.weapon-stats {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.weapon-stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.stat-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    overflow: hidden;
}

.stat-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-red), var(--color-accent-orange));
    border-radius: 2px;
    transition: width 1s ease;
}

/* 地图画廊 */
.maps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.map-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.map-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-md);
}

.map-visual {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1f2128 0%, #2a2d36 100%);
    position: relative;
}

.map-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}

.map-abbreviation {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(229, 57, 53, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    z-index: 1;
}

.map-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, transparent, rgba(10, 10, 12, 0.9));
}

.map-info {
    padding: var(--spacing-md);
}

.map-name {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.map-desc {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.map-modes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.map-mode-tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    background: rgba(229, 57, 53, 0.1);
    color: var(--color-accent-red);
    border: 1px solid rgba(229, 57, 53, 0.2);
}

/* 角色卡片 */
.characters-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.character-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.character-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.team-red { border-top: 3px solid var(--color-accent-red); }
.team-blue { border-top: 3px solid #3b82f6; }
.team-special { border-top: 3px solid var(--color-accent-cyan); }

.character-portrait {
    position: relative;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1d24 0%, #252830 100%);
}

.character-silhouette {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
}

.character-icon-svg {
    width: 40px;
    height: 40px;
}

.team-red .character-icon-svg { color: var(--color-accent-red); }
.team-blue .character-icon-svg { color: #3b82f6; }
.team-special .character-icon-svg { color: var(--color-accent-cyan); }

.character-team-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.5);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.character-info {
    padding: var(--spacing-md);
}

.character-name {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.character-skin {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.character-desc {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* CTA 社区区域 */
.section-cta {
    background:
        linear-gradient(135deg, rgba(229, 57, 53, 0.08) 0%, transparent 50%),
        var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cta-desc {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.cta-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.cta-system-requirements {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: left;
}

.cta-system-requirements h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.requirement-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.req-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.req-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.community-links {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.community-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.community-link svg {
    width: 20px;
    height: 20px;
}

.community-link:hover {
    border-color: var(--color-border-accent);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}