:root {
    --color-primary: #e0b340;
    --color-primary-dark: #9c7a1e;
    --color-accent: #7c3aed;
    --color-surface: #fdfaf5;
    --color-text: #1f1a2e;
    --color-text-inverse: #ede9f5;
    --rgb-primary: 224,179,64;
    --rgb-accent: 124,58,237;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 4px rgba(15,15,26,0.06), 0 4px 12px rgba(15,15,26,0.08);
    --shadow-md: 0 4px 8px rgba(15,15,26,0.05), 0 20px 40px -10px rgba(15,15,26,0.12);
    --shadow-lg: 0 8px 16px rgba(15,15,26,0.06), 0 32px 64px -12px rgba(15,15,26,0.18), 0 0 0 1px rgba(224,179,64,0.08);
    --space-section: 3.5rem;
    --space-card: 1.5rem;
    --space-gap: 1.125rem;
    --transition: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
    accent-color: var(--color-primary);
    caret-color: var(--color-primary);
}

/* 基础覆盖 */
body { color: var(--color-text-inverse); background: linear-gradient(180deg, #0f0f1a 0%, #14102b 100%); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 2px 8px rgba(15,15,26,0.18); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { background: var(--color-surface); color: var(--color-text); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: var(--color-text); border-radius: var(--radius-md); box-shadow: 0 4px 14px rgba(224,179,64,0.3), 0 2px 6px rgba(15,15,26,0.12); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

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

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2.25rem; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* stats: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 3.25rem; }

/* cta: card-style */
.cta-inner { background: radial-gradient(circle at 50% 0%, #fff8e7 0%, var(--color-surface) 70%); color: var(--color-text); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: 0 4px 8px rgba(15,15,26,0.05), 0 30px 60px -12px rgba(15,15,26,0.18), 0 0 0 1px rgba(224,179,64,0.2); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(15,15,26,0.1), 0 40px 80px -16px rgba(15,15,26,0.22), 0 0 0 1px rgba(224,179,64,0.18); }

/* 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; }
}