/* card-mosaic / gradient-rich theme */
:root {
    --color-primary: #8b5cf6;
    --color-primary-dark: #5b21b6;
    --color-accent: #ec4899;
    --color-surface: #fdf2f8;
    --color-text: #3b0764;
    --rgb-primary: 139,92,246;
    --rgb-accent: 236,72,153;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 26px;
    --radius-xl: 36px;
    --shadow-sm: 0 2px 4px rgba(var(--rgb-primary),.08), 0 8px 20px -6px rgba(var(--rgb-accent),.15);
    --shadow-md: 0 8px 20px -8px rgba(var(--rgb-primary),.18), 0 16px 40px -12px rgba(var(--rgb-accent),.2), 0 2px 6px rgba(139,92,246,.06);
    --shadow-lg: 0 16px 32px -12px rgba(var(--rgb-primary),.28), 0 32px 64px -16px rgba(var(--rgb-accent),.24), 0 4px 12px rgba(139,92,246,.1);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.5s cubic-bezier(.4,0,.2,1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

body {
    background: linear-gradient(145deg, #faf5ff 0%, #fff1f2 45%, #f0f9ff 100%);
    color: var(--color-text);
    line-height: var(--body-line-height);
    caret-color: var(--color-accent);
    accent-color: var(--color-accent);
}

h1, h2, h3, h4 { font-weight: var(--heading-weight); }

section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }

.card, [class*="card"] {
    border-radius: var(--radius-lg);
    padding: var(--space-card);
    background: linear-gradient(145deg, #fdfcfb 0%, #fce7f3 100%);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,251,240,.8);
    transition: var(--transition);
}

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fffaf0;
    box-shadow: 0 6px 18px -6px rgba(var(--rgb-accent),.65);
    transition: var(--transition);
}

a:not([class]) {
    color: var(--color-accent);
    text-decoration-color: rgba(var(--rgb-accent),.45);
    transition: var(--transition);
}

/* news: featured-top */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.news-grid > *:first-child {
    grid-column: span 3;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, #7c3aed, #db2777 55%, #f59e0b);
    color: #fffaf0;
    text-shadow: 0 2px 10px rgba(66,32,87,.18);
    box-shadow: 0 12px 28px -8px rgba(124,58,237,.35), 0 24px 56px -12px rgba(236,72,153,.3);
    transition: var(--transition);
}

/* features: horizontal */
.feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
.feature-list > * {
    flex: 0 0 300px;
    scroll-snap-align: start;
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, #f0fdf4 0%, #d1fae5 100%);
    box-shadow: 0 8px 20px -10px rgba(16,185,129,.4), 0 16px 40px -16px rgba(16,185,129,.25);
    transition: var(--transition);
}

/* hero: overlay */
.hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
.hero-content {
    position: relative;
    z-index: 1;
    color: #fffaf0;
    text-shadow: 0 2px 16px rgba(66,32,87,.35);
}

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* partners: scroll */
.partner-grid {
    display: flex;
    gap: 2rem;
    overflow: hidden;
    animation: partnerScroll 26s linear infinite;
}

@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: with-sidebar */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: full-bg */
.cta-section {
    background: linear-gradient(120deg, #8b5cf6, #ec4899 55%, #f59e0b);
    color: #fffaf0;
    padding: 4rem 2rem;
    box-shadow: inset 0 1px 0 rgba(255,251,240,.12);
}

/* Page Layout: wide */
.page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,251,240,.8);
}

.hero, [class*="hero"], section:first-of-type {
    background: radial-gradient(circle at 15% 20%, rgba(245,158,11,.2), transparent 40%),
                radial-gradient(circle at 85% 80%, rgba(236,72,153,.22), transparent 45%),
                linear-gradient(135deg, #6d28d9, #4c1d95 55%, #1e1b4b);
}

header, .header, .navbar { background: transparent; }

/* Responsive */
@media (max-width: 1024px) {
    .news-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .feature-list { grid-template-columns: repeat(2, 1fr) !important; }
    .partner-grid { grid-template-columns: repeat(3, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .hero-inner { grid-template-columns: 1fr !important; }
}

@media (max-width: 640px) {
    :root { --space-section: 2rem; --space-card: 1rem; --space-gap: 0.75rem; }
    .news-grid { grid-template-columns: 1fr !important; }
    .feature-list { grid-template-columns: 1fr !important; }
    .faq-list { grid-template-columns: 1fr !important; }
    .testimonial-list { column-count: 1 !important; }
    .partner-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .cta-inner { grid-template-columns: 1fr !important; }
}