/* CSSVariantEngine v3.0 — 247tiyu.net.cn */
/* Palette: deep-purple-gold | Radius: soft-rounded | Shadow: glow-layered */
/* Spacing: centered-balanced | Transition: smooth-long */
/* Section layouts: {"news":"masonry-2","features":"grid-2","hero":"overlay","testimonials":"grid-3","partners":"grid-4","faq":"with-sidebar","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #b78620;
    --color-primary-dark: #7a5712;
    --color-accent: #9d4edd;
    --color-surface: #fffdf7;
    --color-text: #1a103c;
    --rgb-primary: 183, 134, 32;
    --rgb-accent: 157, 78, 221;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 4px 12px rgba(183, 134, 32, 0.15), 0 2px 6px rgba(15, 15, 26, 0.1);
    --shadow-md: 0 10px 24px rgba(157, 78, 221, 0.12), 0 5px 12px rgba(15, 15, 26, 0.08);
    --shadow-lg: 0 24px 48px rgba(183, 134, 32, 0.2), 0 12px 24px rgba(15, 15, 26, 0.15), 0 0 32px rgba(157, 78, 221, 0.1);
    --space-section: 4.5rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(ellipse at top center, #1a1630 0%, #0f0f1a 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-align: center; }
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(145deg, #ffffff 0%, #fff9ef 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); color: white; border: none; }
a:not([class]) { color: var(--color-accent); transition: var(--transition); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); }
                .news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; justify-content: center; }
                .hero-content { position: relative; z-index: 1; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 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-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: wide */
/* 超宽 */
            .page-main { max-width: 900px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); filter: drop-shadow(0 0 12px rgba(var(--rgb-primary), 0.25)); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(160deg, #0f0f1a 0%, #241249 45%, #7e3aab 100%); }
.card { border-left: 4px solid transparent; border-image: linear-gradient(180deg, var(--color-primary), var(--color-accent)) 1; }
header, .header, .navbar { box-shadow: 0 4px 16px rgba(15, 15, 26, 0.25), 0 2px 8px rgba(var(--rgb-primary), 0.1); background: linear-gradient(90deg, #1a1630 0%, #2d1b69 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: 2.5rem; --space-card: 1.1rem; --space-gap: 0.9rem; }
    .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; }
}