:root {
    --color-primary: #7c5cff;
    --color-primary-dark: #2a234d;
    --color-accent: #d9b86a;
    --color-surface: #f8f4ea;
    --color-text: #221c35;
    --rgb-primary: 124,92,255;
    --rgb-accent: 217,184,106;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 6px 14px rgba(18,12,32,.08), 0 2px 4px rgba(217,184,106,.12);
    --shadow-md: 0 14px 30px rgba(20,16,38,.10), 0 28px 50px -24px rgba(124,92,255,.22);
    --shadow-lg: 0 24px 48px rgba(13,11,26,.14), 0 40px 80px -28px rgba(217,184,106,.20);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.42s cubic-bezier(.22,1,.36,1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(circle at top, rgba(124,92,255,.12) 0%, rgba(124,92,255,0) 34%), linear-gradient(180deg, #0f0f1a 0%, #171327 100%); caret-color: var(--color-accent); accent-color: var(--color-primary); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #fff7e8; text-shadow: 0 2px 10px rgba(0,0,0,.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(180deg, rgba(255,250,241,.98) 0%, rgba(245,236,221,.96) 100%); border-color: rgba(217,184,106,.26); border-style: solid; backdrop-filter: blur(8px); filter: saturate(1.03); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #7c5cff 0%, #a786ff 100%); color: #fff9ef; border-color: rgba(217,184,106,.42); border-style: solid; box-shadow: 0 10px 22px rgba(124,92,255,.24), 0 4px 10px rgba(20,16,38,.12); text-shadow: 0 1px 2px rgba(0,0,0,.18); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(217,184,106,.55); text-shadow: 0 1px 0 rgba(255,255,255,.22); }

/* ========== 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; box-shadow: 0 12px 24px rgba(15,15,26,.10), 0 30px 60px -28px rgba(124,92,255,.24); }

/* 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; } .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: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

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

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

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #171327 0%, #2b1f4f 48%, #7c5cff 100%); box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 24px 50px -30px rgba(0,0,0,.45); }
.card { border-left: 3px solid var(--color-accent); }
header, .header, .navbar { background: linear-gradient(180deg, rgba(15,15,26,.88) 0%, rgba(15,15,26,.52) 100%); backdrop-filter: blur(10px); box-shadow: 0 10px 30px rgba(0,0,0,.14); }

/* 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; }
}