/* CSSVariantEngine v3.0 — go-ky-qipai.net.cn */
/* Palette: pinterest glow | Radius: medium rounded | Shadow: glow halo */
/* Spacing: airy | Transition: smooth ease */
/* Section layouts: {"news":"list-view","features":"grid-4","hero":"minimal","testimonials":"stacked","partners":"scroll","faq":"two-column","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #165DFF;
    --color-primary-dark: #0E42D2;
    --color-accent: #36BFFA;
    --color-surface: #f1f5f9;
    --color-text: #1e293b;
    --rgb-primary: 22,93,255;
    --rgb-accent: 54,191,250;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 6px rgba(30,41,59,0.08);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent), 0.3);
    --shadow-lg: 0 0 32px rgba(var(--rgb-accent), 0.5);
    --space-section: 4.8rem;
    --space-card: 1.9rem;
    --space-gap: 1.4rem;
    --transition: 0.4s ease-out;
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: 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"] { background-color: #ffffff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); position: relative; overflow: hidden; }
.card::before, [class*="card"]::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); opacity: 0.7; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: white; border: none; }
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: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* 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: 2rem; overflow: hidden; animation: partnerScroll 25s 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: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.stats-grid .stat-value { font-size: 3rem; color: var(--color-primary); filter: drop-shadow(0 0 12px rgba(var(--rgb-accent), 0.5)); }

/* cta: card-style */
.cta-inner { background: #ffffff; border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: 0 0 40px rgba(var(--rgb-accent), 0.35); animation: subtlePulse 3s ease-in-out infinite alternate; }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: 0 0 36px rgba(var(--rgb-accent), 0.6); }
header, .header, .navbar { background: rgba(255,255,255,0.9); backdrop-filter: blur(8px); box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.15); }

@keyframes subtlePulse {
    0% { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.25); }
    100% { box-shadow: 0 0 48px rgba(var(--rgb-accent), 0.45); }
}

/* 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; }
}