/* CSSVariantEngine v3.0 — go-dongdongdianjing-qq.com.cn */
/* Palette: violet-peach gradient | Radius: soft rounded symmetric | Shadow: multi-layer harmonious */
/* Spacing: uniform 24px gap | Transition: 0.5s smooth cubic-bezier */
/* Section layouts: {"news":"list-view","features":"horizontal","hero":"overlay","testimonials":"grid-3","partners":"grid-6","faq":"two-column","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: linear-gradient(135deg, #7c3aed, #8b5cf6);
    --color-primary-dark: #5b21b6;
    --color-accent: linear-gradient(135deg, #f97316, #ec4899);
    --color-surface: linear-gradient(180deg, #faf5ff, #fdf4ff);
    --color-text: #1e1b4b;
    --rgb-primary: 124,58,237;
    --rgb-accent: 249,115,22;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(124,58,237,0.07), 0 1px 3px rgba(249,115,22,0.05);
    --shadow-md: 0 8px 20px rgba(124,58,237,0.12), 0 3px 10px rgba(249,115,22,0.08);
    --shadow-lg: 0 16px 40px rgba(124,58,237,0.18), 0 6px 18px rgba(249,115,22,0.1), 0 2px 6px rgba(0,0,0,0.04);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
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, #f8f0ff); border: 1px solid transparent; border-image: linear-gradient(135deg, #7c3aed 0%, #f97316 50%, #ec4899 100%) 1; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: var(--color-primary); color: white; }
a:not([class]) { color: #7c3aed; 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: horizontal */
/* 水平滚动 */
.feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
.feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
.hero { position: relative; min-height: 70vh; display: flex; align-items: center; background: radial-gradient(circle at 20% 30%, rgba(124,58,237,0.12) 0%, transparent 50%), radial-gradient(circle at 80% 70%, rgba(249,115,22,0.1) 0%, transparent 50%); }
.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-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: full-bg */
.cta-section { background: linear-gradient(120deg, #7c3aed 0%, #8b5cf6 30%, #ec4899 65%, #f97316 100%); color: #fff; padding: 4rem 2rem; }

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-image: linear-gradient(135deg, #f97316 0%, #ec4899 50%, #7c3aed 100%) 1; }
a:not([class]):hover { color: #f97316; text-shadow: 0 0 8px rgba(249,115,22,0.3); }

/* 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: 1.5rem; }
    .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; }
}