/* CSSVariantEngine v3.0 — ch6-3377tiyu.com.cn */
/* Palette: rose | Radius: airy-rounded | Shadow: pillowy */
/* Spacing: airy | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"grid-4","hero":"left-aligned","testimonials":"stacked","partners":"scroll","faq":"two-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #b23b5e;
    --color-primary-dark: #7d2546;
    --color-accent: #d46a4a;
    --color-surface: #f0f1f4;
    --color-text: #2b2d42;
    --rgb-primary: 178,59,94;
    --rgb-accent: 212,106,74;
    --radius-sm: 16px;
    --radius-md: 20px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 6px rgba(43,45,66,.04), 0 8px 20px rgba(43,45,66,.04);
    --shadow-md: 0 4px 12px rgba(43,45,66,.04), 0 18px 36px rgba(43,45,66,.06);
    --shadow-lg: 0 8px 20px rgba(43,45,66,.05), 0 32px 64px rgba(43,45,66,.08);
    --space-section: 2.4rem;
    --space-card: 1.2rem;
    --space-gap: 0.9rem;
    --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { 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(43,45,66,.05); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: inset 0 3px 0 0 rgba(var(--rgb-primary), .28), var(--shadow-md); padding: var(--space-card); transition: var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); box-shadow: 0 4px 14px rgba(var(--rgb-primary), .18); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); 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: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

/* testimonials: stacked */
/* 垂直堆叠 */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2.4rem; overflow: hidden; animation: partnerScroll 26s ease-in-out 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: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2.4rem; }
.stats-grid .stat-value { font-size: 3rem; }

/* cta: full-bg */
.cta-section { background: var(--color-primary); color: #fff; padding: 4.5rem 2.25rem; }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #b23b5e, #7d2546); }
.card { border: 1px solid rgba(var(--rgb-primary), .12); }
header, .header, .navbar { background: rgba(255,255,255,.65); box-shadow: 0 2px 16px rgba(43,45,66,.05), 0 8px 24px rgba(43,45,66,.04); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

/* 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: 1.8rem; --space-card: 0.9rem; --space-gap: 0.7rem; }
    .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; }
}