/* Reset and Base */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; line-height: 1.6; color: #333; background-color: #f8f9fa; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
header { background: #fff; padding: 20px 0; box-shadow: 0 2px 5px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; }
.header-content { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 24px; font-weight: bold; color: #4a00e0; }
.logo a { color: #4a00e0; }
.nav-links { display: flex; gap: 25px; align-items: center; }
.nav-links a { color: #333; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: #4a00e0; }
.btn { display: inline-block; padding: 12px 24px; background: linear-gradient(135deg, #8e2de2, #4a00e0); color: #fff; border-radius: 8px; font-weight: bold; text-align: center; transition: opacity 0.3s; }
.btn:hover { opacity: 0.9; color: #fff;}
.btn-large { padding: 16px 32px; font-size: 18px; }

/* Sections */
section { padding: 80px 0; }
.section-title { text-align: center; font-size: 32px; margin-bottom: 40px; color: #222; }

/* Hero */
.hero { background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); color: #fff; text-align: center; padding: 120px 0; }
.hero h1 { font-size: 48px; margin-bottom: 20px; }
.hero p { font-size: 20px; margin-bottom: 40px; color: #e0e0e0; max-width: 800px; margin-left: auto; margin-right: auto; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.card { background: #fff; padding: 30px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); text-align: center; transition: transform 0.3s; }
.card:hover { transform: translateY(-5px); }
.card-icon { font-size: 40px; margin-bottom: 20px; }
.card h3 { font-size: 20px; margin-bottom: 15px; }

/* Media & AI */
.media-ai-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.media-ai-card { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.05); display: flex; align-items: center; padding: 30px;}
.media-ai-icon { font-size: 50px; margin-right: 20px; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.pricing-card { background: #fff; padding: 40px 30px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); text-align: center; position: relative;}
.pricing-card.popular { border: 2px solid #4a00e0; transform: scale(1.05); }
.popular-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: #4a00e0; color: #fff; padding: 4px 12px; border-radius: 20px; font-size: 14px; font-weight: bold; }
.price { font-size: 36px; font-weight: bold; color: #4a00e0; margin: 20px 0; }
.pricing-features { margin: 30px 0; text-align: left; }
.pricing-features li { margin-bottom: 10px; padding-left: 24px; position: relative; }
.pricing-features li::before { content: '✓'; color: #4a00e0; position: absolute; left: 0; font-weight: bold;}

/* Reviews */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.review-card { background: #fff; padding: 30px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.stars { color: #f39c12; margin-bottom: 15px; }
.review-text { font-style: italic; margin-bottom: 15px; color: #666; }
.reviewer { font-weight: bold; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; margin-bottom: 15px; border-radius: 8px; padding: 20px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
.faq-q { font-weight: bold; font-size: 18px; margin-bottom: 10px; color: #222; }
.faq-a { color: #666; }

/* Footer */
footer { background: #1a1a2e; color: #fff; padding: 40px 0 20px; text-align: center; }
.footer-links { display: flex; justify-content: center; gap: 30px; margin-bottom: 30px; flex-wrap: wrap; }
.footer-links a { color: #e0e0e0; transition: color 0.3s; }
.footer-links a:hover { color: #fff; }
.copyright { color: #888; font-size: 14px; }

/* Page Content (for inner pages) */
.page-content { background: #fff; padding: 60px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); margin-top: 40px; margin-bottom: 40px; }
.page-content h1 { margin-bottom: 30px; color: #222; }
.page-content h2 { margin-top: 30px; margin-bottom: 15px; color: #333; }
.page-content p { margin-bottom: 15px; }
.page-content ul { padding-left: 20px; margin-bottom: 15px; list-style: disc;}

/* Media Queries for Mobile */
@media (max-width: 992px) {
    .features-grid, .pricing-grid, .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-card.popular { transform: none; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 32px; }
    .hero p { font-size: 16px; }
    .features-grid, .media-ai-grid, .pricing-grid, .reviews-grid { grid-template-columns: 1fr; }
    .btn { display: block; width: 100%; box-sizing: border-box; padding: 15px; }
    section { padding: 40px 0; }
    .header-content { flex-direction: column; gap: 15px; text-align: center; }
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 15px; margin: 5px 0; }
    .page-content { padding: 30px 20px; }
    .media-ai-card { flex-direction: column; text-align: center; }
    .media-ai-icon { margin-right: 0; margin-bottom: 15px; }
}

/* =============== 光之国 (LAND OF LIGHT) 视觉覆盖 =============== */
body {
    background-color: transparent !important;
    color: #e0e7ff !important;
}
header {
    background: rgba(6, 8, 24, 0.7) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05) !important;
}
.logo, .logo a {
    color: #FDE68A !important;
}
.nav-links a {
    color: #a5b4fc !important;
}
.nav-links a:hover {
    color: #FDE68A !important;
}
.btn {
    background: linear-gradient(135deg, #818CF8, #4f46e5) !important;
    color: #ffffff !important;
    border: 1px solid rgba(255,255,255,0.1) !important;
    box-shadow: 0 0 15px rgba(129, 140, 248, 0.4) !important;
}
.btn:hover {
    box-shadow: 0 0 25px rgba(129, 140, 248, 0.6) !important;
}
.hero {
    background: transparent !important;
}
.hero h1 {
    color: #FDE68A !important;
    text-shadow: 0 0 30px rgba(253, 230, 138, 0.3);
}
.hero p {
    color: #c7d2fe !important;
}
.section-title {
    color: #FDE68A !important;
}
/* 卡片玻璃态 */
.card, .media-ai-card, .pricing-card, .review-card, .faq-item, .page-content {
    background: rgba(255, 255, 255, 0.03) !important;
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3) !important;
    color: #e0e7ff !important;
}
.card h3, .media-ai-card h3, .pricing-card h3, .review-card .reviewer, .faq-q, .page-content h1, .page-content h2 {
    color: #FDE68A !important;
}
.media-ai, .reviews {
    background-color: transparent !important;
}
.price {
    color: #FDE68A !important;
}
.price span {
    color: #a5b4fc !important;
}
.pricing-features li::before {
    color: #818CF8 !important;
}
.popular-badge {
    background: linear-gradient(135deg, #FDE68A, #f59e0b) !important;
    color: #060818 !important;
}
.pricing-card.popular {
    border-color: #818CF8 !important;
    box-shadow: 0 0 30px rgba(129, 140, 248, 0.2) !important;
}
.faq-a {
    color: #c7d2fe !important;
}
footer {
    background: rgba(6, 8, 24, 0.8) !important;
    border-top: 1px solid rgba(255,255,255,0.05) !important;
}
.btn-large[style*="transparent"], .btn-large[style*="rgba(255,255,255,0.1)"] {
    background: rgba(129, 140, 248, 0.1) !important;
    border-color: #818CF8 !important;
    color: #e0e7ff !important;
    box-shadow: none !important;
}
.btn-large[style*="transparent"]:hover, .btn-large[style*="rgba(255,255,255,0.1)"]:hover {
    background: rgba(129, 140, 248, 0.2) !important;
}