/* CSSVariantEngine v3.0 — zyyhrf.com */
/* Palette: lagoon | Radius: generous | Shadow: soft layers */
/* Transitions: smooth */
/* Section layouts: {"news":"featured-top","features":"horizontal","hero":"minimal","testimonials":"carousel","partners":"scroll","faq":"two-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #0e7490;
    --color-primary-dark: #164e63;
    --color-accent: #f59e0b;
    --color-surface: #ecfeff;
    --color-text: #1e293b;
    --rgb-primary: 14,116,144;
    --rgb-accent: 245,158,11;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 4px 8px rgba(15,23,42,.04);
    --shadow-md: 0 4px 8px rgba(15,23,42,.03), 0 20px 40px -12px rgba(15,23,42,.1);
    --shadow-lg: 0 8px 16px rgba(15,23,42,.06), 0 32px 64px -16px rgba(15,23,42,.14);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: .75rem;
    --transition: .4s cubic-bezier(.16,1,.3,1);
    --heading-weight: 700;
    --body-line-height: 1.75;
}

body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background-color: #f8fafc;
}

h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    color: #0f172a;
}

section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
}

.card, [class*="card"] {
    border-radius: var(--radius-xl);
    box-shadow: 0 0 0 1px rgba(var(--rgb-primary), .06), var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
    background-color: rgba(255,255,255,.9);
}

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-lg);
    transition: var(--transition);
    box-shadow: 0 2px 10px -4px rgba(var(--rgb-primary), .35);
}

a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-decoration-color: rgba(var(--rgb-accent), .5);
}

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

/* news: featured-top */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-gap);
    background-color: #e0f2fe;
    border-radius: var(--radius-xl);
    box-shadow: 0 0 0 1px rgba(var(--rgb-primary), .08), var(--shadow-sm);
}

.news-grid > *:first-child {
    grid-column: span 3;
    background-color: rgba(255,255,255,.5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

/* features: horizontal */
.feature-list {
    display: flex;
    gap: var(--space-gap);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    background-color: #fef9c3;
    border-radius: var(--radius-xl);
    box-shadow: 0 0 0 1px rgba(var(--rgb-accent), .12), var(--shadow-sm);
}

.feature-list > * {
    flex: 0 0 300px;
    scroll-snap-align: start;
}

/* hero: minimal */
.hero {
    padding: 2rem 0;
    background-color: #ccfbf1;
}

.hero-content { max-width: 560px; }

/* testimonials: carousel */
.testimonial-list {
    display: flex;
    overflow: hidden;
    background-color: #f0fdf4;
    border-radius: var(--radius-xl);
    box-shadow: 0 0 0 1px rgba(var(--rgb-primary), .07), var(--shadow-sm);
}

.testimonial-list > * { flex: 0 0 100%; }

/* partners: scroll */
.partner-grid {
    display: flex;
    gap: 2rem;
    overflow: hidden;
    animation: partnerScroll 32s linear infinite;
    background-color: #ede9fe;
    border-radius: var(--radius-xl);
    box-shadow: 0 0 0 1px rgba(var(--rgb-accent), .1), var(--shadow-sm);
}

@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);
    background-color: #fff7ed;
    border-radius: var(--radius-xl);
    box-shadow: 0 0 0 1px rgba(var(--rgb-primary), .08), var(--shadow-sm);
}

/* stats: inline */
.stats-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    background-color: #fdf2f8;
    border-radius: var(--radius-xl);
    box-shadow: 0 0 0 1px rgba(var(--rgb-accent), .1), var(--shadow-sm);
}

/* cta: split */
.cta-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2rem;
    background-color: #dbeafe;
    border-radius: var(--radius-xl);
    box-shadow: 0 0 0 1px rgba(var(--rgb-primary), .08), var(--shadow-lg);
}

/* Page Layout: full-width */
.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 0 1px rgba(var(--rgb-primary), .1), var(--shadow-lg);
}

.card {
    border: 1px solid rgba(var(--rgb-primary), .14);
}

header, .header, .navbar {
    background: rgba(255,255,255,.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 16px -8px rgba(15,23,42,.08);
}

/* 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: .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; }
}