/* CSSVariantEngine v3.0 — douqiu-home-iqiyi.com */
/* Palette: card-mosaic | Radius: sharp | Shadow: hard-offset */
/* Spacing: balanced | Transition: snappy */
/* Section layouts: {"news":"featured-left","features":"centered","hero":"split","testimonials":"grid-3","partners":"scroll","faq":"two-column","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #06b6d4;
    --color-surface: #fafaf9;
    --color-text: #1c1917;
    --rgb-primary: 124,58,237;
    --rgb-accent: 6,182,212;
    --radius-sm: 0px;
    --radius-md: 2px;
    --radius-lg: 3px;
    --radius-xl: 4px;
    --shadow-sm: 2px 2px 0px rgba(124,58,237,.18);
    --shadow-md: 4px 4px 0px rgba(28,25,23,.9), 4px 4px 0px 1px rgba(124,58,237,.15);
    --shadow-lg: 6px 6px 0px rgba(28,25,23,.85), 6px 6px 0px 2px rgba(6,182,212,.2);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1.25rem;
    --transition: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); background-color: #fafaf9; line-height: var(--body-line-height); }
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); border: 2px solid #1c1917; background-color: #ffffff; padding: var(--space-card); transition: var(--transition); }
.card:hover, [class*="card"]:hover { box-shadow: 6px 6px 0px rgba(28,25,23,.9), 6px 6px 0px 2px rgba(124,58,237,.25); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); border: 2px solid #1c1917; box-shadow: 3px 3px 0px rgba(28,25,23,.85); transition: var(--transition); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 1px 1px 0px rgba(28,25,23,.85); }
a:not([class]) { color: var(--color-primary); text-decoration-color: rgba(124,58,237,.4); transition: var(--transition); }
a:not([class]):hover { color: var(--color-primary-dark); text-decoration-color: var(--color-accent); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
                .news-grid > *:first-child { grid-row: span 2; }
                .news-grid > *:nth-child(2) { background-color: #faf5ff; }
                .news-grid > *:nth-child(3) { background-color: #ecfeff; }

/* 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; }
                .feature-list > *:nth-child(odd) { border-left: 4px solid var(--color-primary); }
                .feature-list > *:nth-child(even) { border-left: 4px solid var(--color-accent); }

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.testimonial-list > *:nth-child(1) { background-color: #fef3c7; border-color: #d97706; }
.testimonial-list > *:nth-child(2) { background-color: #ede9fe; border-color: #7c3aed; }
.testimonial-list > *:nth-child(3) { background-color: #cffafe; border-color: #0891b2; }

/* 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); }
.faq-list > * { border-bottom: 2px solid rgba(124,58,237,.2); }
.faq-list > *:hover { border-bottom-color: var(--color-accent); }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid > * { background-color: #1c1917; color: #fafaf9; border-radius: var(--radius-md); box-shadow: 4px 4px 0px rgba(124,58,237,.5); }
.stats-grid > *:nth-child(2) { box-shadow: 4px 4px 0px rgba(6,182,212,.5); }
.stats-grid > *:nth-child(3) { box-shadow: 4px 4px 0px rgba(217,119,6,.5); }
.stats-grid > *:nth-child(4) { box-shadow: 4px 4px 0px rgba(236,72,153,.5); }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }
.cta-inner .btn, .cta-inner button[class*="btn"], .cta-inner a[class*="btn"] { background-color: var(--color-primary); color: #ffffff; }

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

/* 条件性装饰 */

/* 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: 0.75rem; }
    .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; }
}