:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #4c1d95;
    --color-accent: #f472b6;
    --color-surface: #faf5ff;
    --color-text: #1e1b4b;
    --rgb-primary: 109,40,217;
    --rgb-accent: 244,114,182;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 6px rgba(76,29,149,.10), 0 1px 2px rgba(244,114,182,.08);
    --shadow-md: 0 8px 20px -6px rgba(76,29,149,.22), 0 3px 8px -2px rgba(244,114,182,.14), inset 0 1px 0 rgba(255,255,255,.6);
    --shadow-lg: 0 20px 44px -12px rgba(76,29,149,.32), 0 8px 18px -6px rgba(244,114,182,.22), inset 0 1px 0 rgba(255,255,255,.7);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(160deg, #faf5ff 0%, #fdf2f8 45%, #eef2ff 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); background: linear-gradient(120deg, #4c1d95 0%, #6d28d9 50%, #f472b6 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(145deg, #ffffff 0%, #faf5ff 55%, #fce7f3 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #6d28d9 0%, #a855f7 50%, #f472b6 100%); color: #ffffff; box-shadow: 0 6px 16px -4px rgba(109,40,217,.40), 0 2px 6px -2px rgba(244,114,182,.30); border: 1px solid rgba(255,255,255,.35); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== Section Layout Variants ========== */

/* news: grid-4 */
/* 四列紧凑网格 */
                .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: minimal */
.hero { padding: 2rem 0; background: radial-gradient(circle at 20% 0%, rgba(244,114,182,.18) 0%, rgba(168,85,247,.10) 35%, transparent 70%); } .hero-content { max-width: 560px; }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

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

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #ede9fe 0%, #fae8ff 40%, #fce7f3 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: 0 24px 60px -18px rgba(109,40,217,.30), inset 0 1px 0 rgba(255,255,255,.8); border: 1px solid rgba(168,85,247,.18); }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.card { border: 1px solid rgba(var(--rgb-primary), .12); }
header, .header, .navbar { background: linear-gradient(180deg, rgba(250,245,255,.92) 0%, rgba(253,242,248,.55) 60%, transparent 100%); backdrop-filter: blur(10px); }

/* 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; }
}