/**
 * 摄状元®AI创影 - 首页浅色主题覆盖样式
 * 覆盖全局深色变量，提供明亮、易读的首页体验
 */

/* ========== 首页 CSS 变量覆盖 ========== */
.page-index {
    --color-bg-dark: #FAFBFC;
    --color-bg-section: #FFFFFF;
    --color-bg-card: #FFFFFF;
    --color-bg-card-hover: #F8F9FC;
    --color-text-primary: #1A1A2E;
    --color-text-secondary: #4A4A5A;
    --color-text-muted: #8A8A9A;
    --color-border: #E8E8F0;
    --color-border-light: #D8D8E8;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.1);
    --shadow-glow: 0 4px 20px rgba(196,30,58,0.12);
}

/* ========== 首页主体背景 ========== */
.page-index main,
.page-index .site-main {
    background: #FAFBFC;
}

.page-index body {
    background: #FAFBFC;
}

/* ========== Hero 区 - 浅色渐变 ========== */
.page-index .hero {
    background: linear-gradient(135deg, #FFF5F5 0%, #FFFBF0 50%, #F8F9FC 100%);
    min-height: 85vh;
    position: relative;
}
.page-index .hero::before {
    background: none;
}
.page-index .hero::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(196,30,58,0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(212,160,23,0.05) 0%, transparent 50%);
    pointer-events: none;
}
.page-index .hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-index .hero .description {
    color: #5A5A6A;
}
.page-index .hero-badge {
    background: rgba(196,30,58,0.08);
    border-color: rgba(196,30,58,0.2);
    color: var(--color-primary);
}

/* ========== 统计卡片 ========== */
.page-index .stat-card {
    background: #FFFFFF;
    border: 1px solid #E8E8F0;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.page-index .stat-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 30px rgba(196,30,58,0.1);
}
.page-index .stat-number {
    background: linear-gradient(135deg, #C41E3A, #D4A017);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-index .stat-label {
    color: #8A8A9A;
}

/* ========== Section 背景交替 ========== */
.page-index .section {
    background: #FAFBFC;
}
.page-index .section-dark {
    background: #FFFFFF;
}

/* ========== Section 标题 ========== */
.page-index .section-header h2 {
    background: linear-gradient(135deg, #C41E3A, #D4A017);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-index .section-header .subtitle {
    color: #6A6A7A;
}
.page-index .section-header .divider {
    background: linear-gradient(90deg, #C41E3A, #D4A017);
}

/* ========== 产品优势卡片 ========== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.advantage-card {
    background: #FFFFFF;
    border: 1px solid #E8E8F0;
    border-radius: 16px;
    padding: 32px 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}
.advantage-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: 4px 0 0 4px;
}
.advantage-card:nth-child(1)::before { background: linear-gradient(180deg, #C41E3A, #E8324F); }
.advantage-card:nth-child(2)::before { background: linear-gradient(180deg, #D4A017, #F0C040); }
.advantage-card:nth-child(3)::before { background: linear-gradient(180deg, #2563EB, #60A5FA); }
.advantage-card:nth-child(4)::before { background: linear-gradient(180deg, #059669, #34D399); }
.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    border-color: transparent;
}
.advantage-card .adv-icon {
    font-size: 32px;
    margin-bottom: 16px;
}
.advantage-card .adv-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1A1A2E;
    margin-bottom: 6px;
}
.advantage-card .adv-subtitle {
    font-size: 0.875rem;
    color: #8A8A9A;
    margin-bottom: 16px;
}
.advantage-card .adv-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.advantage-card .adv-list li {
    font-size: 0.875rem;
    color: #4A4A5A;
    padding: 5px 0;
    line-height: 1.5;
}
.advantage-card .adv-list li::before {
    content: '✓ ';
    color: #059669;
    font-weight: 600;
}

/* ========== 创作类型卡片 ========== */
.creation-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.creation-card {
    background: #FFFFFF;
    border: 1px solid #E8E8F0;
    border-radius: 16px;
    padding: 28px 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: default;
}
.creation-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.08);
    border-color: transparent;
}
.creation-card .creation-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}
.creation-card .creation-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #1A1A2E;
    margin-bottom: 8px;
}
.creation-card .creation-desc {
    font-size: 0.85rem;
    color: #6A6A7A;
    line-height: 1.5;
    margin-bottom: 6px;
}
.creation-card .creation-tags {
    font-size: 0.75rem;
    color: #A0A0B0;
}

/* ========== 特性卡片浅色版 ========== */
.page-index .feature-card {
    background: #FFFFFF;
    border: 1px solid #E8E8F0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.page-index .feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 30px rgba(196,30,58,0.1);
}
.page-index .feature-card h3 {
    color: #1A1A2E;
}
.page-index .feature-card p {
    color: #6A6A7A;
}
.page-index .feature-icon {
    background: linear-gradient(135deg, rgba(196,30,58,0.08), rgba(212,160,23,0.08));
}

/* ========== 合伙人区域 ========== */
.page-index .partner-section {
    background: linear-gradient(135deg, #FFF8F0, #FFF5F5);
    border-radius: 24px;
    padding: 60px 40px;
    text-align: center;
    margin: 0 20px;
}

/* ========== 新闻卡片浅色 ========== */
.page-index .news-item {
    background: #FFFFFF;
    border: 1px solid #E8E8F0;
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
}
.page-index .news-item:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border-color: transparent;
}
.page-index .news-item h3 a {
    color: #1A1A2E;
}
.page-index .news-item h3 a:hover {
    color: var(--color-primary);
}
.page-index .news-item p {
    color: #6A6A7A;
}
.page-index .news-date {
    color: #A0A0B0;
}

/* ========== 按钮覆盖 ========== */
.page-index .btn-outline {
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.page-index .btn-outline:hover {
    background: var(--color-primary);
    color: #FFFFFF;
}

/* ========== 滚动动画 ========== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .creation-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .creation-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-index .hero {
        min-height: 60vh;
        padding: 100px 20px 60px;
    }
    .page-index .hero h1 {
        font-size: 2rem;
    }
}
@media (max-width: 480px) {
    .creation-grid {
        grid-template-columns: 1fr;
    }
    .page-index .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}