/* CSSVariantEngine v3.0 — 365-leyu.com.cn */
/* Palette: cobalt-amber | Radius: medium | Shadow: glow */
/* Spacing: compact | Transition: smooth */
/* Section layouts: {"news":"featured-left","features":"horizontal","hero":"split","testimonials":"masonry","partners":"grid-6","faq":"single-column","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #1d4ed8;
    --color-primary-dark: #1e3a8a;
    --color-accent: #f59e0b;
    --color-surface: #eff6ff;
    --color-text: #172554;
    --rgb-primary: 29,78,216;
    --rgb-accent: 245,158,11;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 2px 8px rgba(var(--rgb-primary), .08), 0 0 14px rgba(var(--rgb-accent), .15);
    --shadow-md: 0 4px 16px rgba(var(--rgb-primary), .12), 0 0 24px rgba(var(--rgb-accent), .4);
    --shadow-lg: 0 8px 28px rgba(var(--rgb-primary), .18), 0 0 32px rgba(var(--rgb-accent), .6);
    --space-section: 3.25rem;
    --space-card: 1.15rem;
    --space-gap: 0.85rem;
    --transition: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #f8fafc, var(--color-surface)); caret-color: var(--color-accent); accent-color: var(--color-primary); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-primary-dark); }
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), inset 0 0 0 1px rgba(var(--rgb-accent), .18); padding: var(--space-card); transition: var(--transition); background: rgba(255,255,255,.92); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: var(--color-primary); color: #fff; box-shadow: 0 4px 14px rgba(var(--rgb-primary), .3), 0 0 24px rgba(var(--rgb-accent), .3); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* ========== 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); background: linear-gradient(135deg, rgba(var(--rgb-primary), .06), rgba(var(--rgb-accent), .12)); border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px rgba(var(--rgb-primary), .12), 0 0 24px rgba(var(--rgb-accent), .15); }
.news-grid > *:first-child { grid-row: span 2; }

/* features: horizontal */
/* 水平滚动 */
.feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; background: rgba(var(--rgb-accent), .07); border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px rgba(var(--rgb-accent), .18), 0 0 18px rgba(var(--rgb-accent), .15); }
.feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary)); color: #fff; border-radius: var(--radius-xl); box-shadow: 0 8px 28px rgba(var(--rgb-primary), .3), 0 0 32px rgba(var(--rgb-accent), .25); }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); background: rgba(var(--rgb-primary), .04); border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px rgba(var(--rgb-primary), .1); }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; background: linear-gradient(90deg, rgba(var(--rgb-accent), .1), rgba(var(--rgb-primary), .06)); border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px rgba(var(--rgb-accent), .16); }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; background: rgba(255,255,255,.5); border-radius: var(--radius-lg); box-shadow: 0 0 24px rgba(var(--rgb-accent), .12); }

/* stats: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 3rem; background: rgba(var(--rgb-accent), .08); border-radius: var(--radius-xl); box-shadow: inset 0 0 0 1px rgba(var(--rgb-accent), .18), 0 0 24px rgba(var(--rgb-accent), .2); }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary) 55%, #0369a1); border-radius: var(--radius-xl); padding: 3rem; text-align: center; color: #fff; box-shadow: 0 10px 32px rgba(var(--rgb-primary), .3), 0 0 32px rgba(var(--rgb-accent), .4); }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg), 0 0 32px rgba(var(--rgb-accent), .6), inset 0 0 0 1px rgba(var(--rgb-accent), .45); }
header, .header, .navbar { box-shadow: 0 2px 12px rgba(var(--rgb-primary), .12), 0 0 20px rgba(var(--rgb-accent), .1); background: rgba(255,255,255,.85); backdrop-filter: blur(8px); }

/* 呼吸光晕 */
@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 8px 24px rgba(var(--rgb-primary), .25), 0 0 22px rgba(var(--rgb-accent), .25), inset 0 0 0 1px rgba(var(--rgb-accent), .18); }
    50% { box-shadow: 0 8px 24px rgba(var(--rgb-primary), .3), 0 0 40px rgba(var(--rgb-accent), .55), inset 0 0 0 1px rgba(var(--rgb-accent), .4); }
}
.hero-inner, .cta-inner, .stats-grid { animation: glow-pulse 4.5s ease-in-out infinite; }

/* 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; }
}