/* CSSVariantEngine v3.0 — hth-official-go.com.cn */
/* Palette: stage-gold | Radius: tight | Shadow: compact */
/* Spacing: tight | Transition: snappy */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"minimal","testimonials":"masonry","partners":"scroll","faq":"two-column","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #e5b04c;
    --color-primary-dark: #a06e1c;
    --color-accent: #8b5cf6;
    --color-surface: #1a1a2c;
    --color-text: #f2efe9;
    --rgb-primary: 229,176,76;
    --rgb-accent: 139,92,246;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;
    --radius-xl: 8px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.03);
    --shadow-md: 0 2px 4px rgba(0,0,0,.3), 0 1px 2px rgba(0,0,0,.2), inset 0 1px 0 rgba(255,255,255,.04);
    --shadow-lg: 0 6px 16px rgba(0,0,0,.35), 0 2px 6px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.05);
    --space-section: 2.4rem;
    --space-card: 0.8rem;
    --space-gap: 0.65rem;
    --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { background-color: #0f0f1a; color: var(--color-text); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 2px 12px rgba(0,0,0,.35); }
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-color: var(--color-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: #17121f; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-4 */
/* 四列紧凑网格 */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* 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: var(--space-section) 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: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 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: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: radial-gradient(ellipse at 50% 0%, rgba(229,176,76,.14), transparent 55%), radial-gradient(ellipse at 85% 100%, rgba(139,92,246,.12), transparent 50%), linear-gradient(135deg, #221735 0%, #0d0d18 60%, #0f0f1a 100%); }
header, .header, .navbar { background-color: rgba(15,15,26,.85); backdrop-filter: blur(12px); box-shadow: 0 1px 0 rgba(255,255,255,.03), 0 4px 18px rgba(0,0,0,.5); }

/* 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: 1.6rem; --space-card: 0.8rem; --space-gap: 0.65rem; }
    .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; }
}