:root {
    --color-primary: #a78bfa;
    --color-primary-dark: #6d28d9;
    --color-accent: #f5c96b;
    --color-surface: #17142a;
    --color-text: #ece9f7;
    --rgb-primary: 167,139,250;
    --rgb-accent: 245,201,107;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 10px rgba(6,4,15,.55), 0 1px 2px rgba(167,139,250,.18);
    --shadow-md: 0 10px 28px rgba(6,4,15,.65), 0 4px 10px rgba(167,139,250,.16);
    --shadow-lg: 0 24px 56px rgba(6,4,15,.72), 0 10px 22px rgba(245,201,107,.14);
    --space-section: 2.25rem;
    --space-card: 1.1rem;
    --space-gap: 0.85rem;
    --transition: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(ellipse at 50% -12%, #241a44 0%, #0f0f1a 58%, #0b0a14 100%); background-color: #0f0f1a; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 2px 14px rgba(167,139,250,.22); }
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(165deg, #1c1733 0%, #141020 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
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: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* 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: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

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

/* 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); text-shadow: 0 0 12px rgba(245,201,107,.45); }
.hero, [class*="hero"], section:first-of-type { background: radial-gradient(ellipse at 50% 0%, rgba(245,201,107,.13) 0%, rgba(109,40,217,.22) 38%, rgba(15,15,26,0) 72%), linear-gradient(140deg, #1e1638 0%, #120e20 60%, #0f0f1a 100%); }
.card { border: 1px solid rgba(var(--rgb-accent), .14); }
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: 1.95rem; --space-card: 1.05rem; --space-gap: 0.8rem; --radius-lg: 18px; --shadow-md: 0 6px 20px rgba(6,4,15,.6), 0 2px 6px rgba(167,139,250,.14); }
    .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; }
}