:root {
    --color-primary: #b78b2a;
    --color-primary-dark: #6a4b15;
    --color-accent: #8a5cf6;
    --color-surface: #f6f1ff;
    --color-text: #eef0ff;
    --rgb-primary: 183,139,42;
    --rgb-accent: 138,92,246;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.55);
    --shadow-md: 0 18px 50px rgba(0, 0, 0, 0.62), 0 0 0 1px rgba(183,139,42,0.18) inset;
    --shadow-lg: 0 26px 80px rgba(0, 0, 0, 0.70), 0 0 0 1px rgba(138,92,246,0.22) inset, 0 0 0 6px rgba(183,139,42,0.06);
    --space-section: 3.4rem;
    --space-card: 1.3rem;
    --space-gap: 1.05rem;
    --transition: 0.55s cubic-bezier(0.16, 1, 0.3, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background:
        radial-gradient(1200px 700px at 50% -10%, rgba(138,92,246,0.35) 0%, rgba(15,15,26,0) 55%),
        radial-gradient(900px 500px at 15% 15%, rgba(183,139,42,0.22) 0%, rgba(15,15,26,0) 60%),
        linear-gradient(180deg, #0f0f1a 0%, #0b0b14 45%, #070710 100%);
    caret-color: var(--color-primary);
}

h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 14px 40px rgba(0,0,0,0.55); }

section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }

.card, [class*="card"] { 
    border-radius: var(--radius-lg); 
    box-shadow: 
        0 26px 70px rgba(0, 0, 0, 0.66),
        0 0 0 1px rgba(255, 255, 255, 0.09) inset,
        0 0 0 6px rgba(138,92,246,0.06);
    padding: var(--space-card); 
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), color var(--transition), filter var(--transition);
    background:
        radial-gradient(120% 120% at 0% 0%, rgba(183,139,42,0.14) 0%, rgba(183,139,42,0) 55%),
        radial-gradient(120% 120% at 100% 0%, rgba(138,92,246,0.16) 0%, rgba(138,92,246,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.025) 100%);
}

.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition), filter var(--transition);
    outline-color: rgba(183,139,42,0.35);
}

a:not([class]) { 
    color: #f1c65a; 
    transition: color var(--transition), text-shadow var(--transition), filter var(--transition);
    text-shadow: 0 10px 26px rgba(0,0,0,0.45);
}

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

/* news: grid-3 */
/* 三列等宽网格 */
                .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: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

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

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

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

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: card-style */
.cta-inner { 
    background:
        radial-gradient(1200px 500px at 50% 0%, rgba(183,139,42,0.30) 0%, rgba(183,139,42,0) 55%),
        radial-gradient(900px 420px at 15% 30%, rgba(138,92,246,0.26) 0%, rgba(138,92,246,0) 60%),
        linear-gradient(180deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.05) 100%),
        linear-gradient(135deg, #19192f 0%, #0f0f1a 70%);
    border-radius: var(--radius-xl); 
    padding: 3rem; 
    text-align: center; 
    box-shadow: 
        0 30px 90px rgba(0, 0, 0, 0.70),
        0 0 0 1px rgba(255, 255, 255, 0.10) inset,
        0 0 0 10px rgba(183,139,42,0.06);
    transition: box-shadow var(--transition), transform var(--transition), filter var(--transition);
}

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { 
    background:
        radial-gradient(1100px 650px at 50% -10%, rgba(183,139,42,0.35) 0%, rgba(183,139,42,0) 52%),
        radial-gradient(900px 500px at 10% 20%, rgba(138,92,246,0.28) 0%, rgba(138,92,246,0) 58%),
        linear-gradient(135deg, #0f0f1a 0%, #0a0a13 38%, #13122a 100%);
}

/* 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: 2.25rem; --space-card: 1rem; --space-gap: 0.85rem; }
    .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; }
}