:root {
    --color-primary: #d4af37;
    --color-primary-dark: #9a7b1f;
    --color-accent: #7c3aed;
    --color-surface: #1a1a2e;
    --color-text: #e8e4f0;
    --rgb-primary: 212,175,55;
    --rgb-accent: 124,58,237;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(212,175,55,.08), 0 1px 2px rgba(0,0,0,.3);
    --shadow-md: 0 4px 14px rgba(124,58,237,.15), 0 2px 6px rgba(0,0,0,.35), 0 0 0 1px rgba(212,175,55,.06);
    --shadow-lg: 0 12px 36px rgba(124,58,237,.22), 0 6px 14px rgba(0,0,0,.4), 0 0 60px rgba(212,175,55,.08);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #0f0f1a; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); background: linear-gradient(135deg, #d4af37, #f0d060, #d4af37); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
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(160deg, #1a1a2e 0%, #16162a 40%, #1e1e38 100%); border: 1px solid rgba(212,175,55,.12); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #d4af37, #9a7b1f); color: #0f0f1a; border: none; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

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

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

/* 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: 3rem; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

/* 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 16px 48px rgba(124,58,237,.28), 0 8px 20px rgba(0,0,0,.45), 0 0 80px rgba(212,175,55,.1); border-color: rgba(212,175,55,.25); }
.hero, [class*="hero"], section:first-of-type { background: radial-gradient(ellipse at 50% 0%, #2a1a4e 0%, #1a1a2e 35%, #0f0f1a 70%, #0a0a12 100%); }
header, .header, .navbar { box-shadow: 0 2px 12px rgba(124,58,237,.15), 0 1px 3px rgba(0,0,0,.3); background: linear-gradient(180deg, #16162a, #0f0f1a); border-bottom: 1px solid rgba(212,175,55,.1); }

/* 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; }
}