:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #0f0f1a;
    --color-accent: #d4a017;
    --color-surface: #1a1a2e;
    --color-text: #e8e8f0;
    --rgb-primary: 109,40,217;
    --rgb-accent: 212,160,23;
    --radius-sm: 0;
    --radius-md: 0;
    --radius-lg: 2px;
    --radius-xl: 4px;
    --shadow-sm: 2px 2px 0px rgba(212,160,23,.35);
    --shadow-md: 4px 4px 0px rgba(109,40,217,.5);
    --shadow-lg: 6px 6px 0px rgba(212,160,23,.4), 10px 10px 0px rgba(109,40,217,.25);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-primary-dark); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-accent); }
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: var(--color-surface); border: 2px solid rgba(212,160,23,.3); }
.card:hover, [class*="card"]:hover { box-shadow: var(--shadow-lg); border-color: var(--color-accent); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); border: 2px solid var(--color-accent); background: transparent; color: var(--color-accent); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { background: var(--color-accent); color: var(--color-primary-dark); box-shadow: 4px 4px 0px rgba(212,160,23,.5); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); }

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

/* news: grid-3 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 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: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: scroll */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s 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: big-number */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; color: var(--color-accent); text-shadow: 3px 3px 0px rgba(109,40,217,.6); }

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

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

/* 条件性装饰 */
a:not([class]):hover { color: #f0c040; }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(160deg, #0f0f1a 0%, #1a1a2e 40%, #2d1b69 100%); }
header, .header, .navbar { box-shadow: 0 2px 0px rgba(212,160,23,.5); border-bottom: 2px solid rgba(212,160,23,.3); }

/* 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; }
}