/* CSSVariantEngine v3.0 — mobile-hth-chcn.com.cn */
/* Palette: twilight-indigo | Radius: medium | Shadow: glow */
/* Treatment: symmetric-grid + glow-effects */
/* Section layouts: {"news":"list-view","features":"horizontal","hero":"minimal","testimonials":"masonry","partners":"grid-4","faq":"with-sidebar","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #4338ca;
    --color-primary-dark: #1e1b4b;
    --color-accent: #22d3ee;
    --color-surface: #eef2ff;
    --color-text: #0f172a;
    --rgb-primary: 67,56,202;
    --rgb-accent: 34,211,238;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 2px 6px rgba(15,23,42,.05);
    --shadow-md: 0 12px 28px -14px rgba(15,23,42,.16), 0 0 24px rgba(var(--rgb-accent),.16);
    --shadow-lg: 0 24px 48px -16px rgba(15,23,42,.22), 0 0 40px rgba(var(--rgb-accent),.3);
    --space-section: 1.9rem;
    --space-card: .9rem;
    --space-gap: .8rem;
    --transition: .35s cubic-bezier(.22,1,.36,1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background-color: var(--color-surface);
    background-image: radial-gradient(circle at 15% -10%, rgba(var(--rgb-accent),.08), transparent 35%);
    caret-color: var(--color-accent);
    accent-color: var(--color-accent);
}
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);
    padding: var(--space-card);
    transition: var(--transition);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    box-shadow: 0 0 18px rgba(var(--rgb-accent),.14);
}
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: horizontal */
/* 水平滚动 */
.feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
.feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: minimal */
.hero { padding: 1.9rem 0; }
.hero-content { max-width: 560px; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 1.75rem; }

/* stats: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.75rem; }
.stats-grid .stat-value { font-size: 3rem; }

/* cta: full-bg */
.cta-section {
    background: linear-gradient(160deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    padding: 4rem 2rem;
    box-shadow: inset 0 0 56px rgba(var(--rgb-accent),.12);
}

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 860px; 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);
}
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type {
    background:
        radial-gradient(ellipse at 80% 15%, rgba(var(--rgb-accent),.2), transparent 52%),
        linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    animation: heroGlowPulse 8s ease-in-out infinite;
}

@keyframes heroGlowPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(var(--rgb-accent),.08), 0 0 40px rgba(var(--rgb-accent),.05);
    }
    50% {
        box-shadow: 0 0 32px rgba(var(--rgb-accent),.22), 0 0 72px rgba(var(--rgb-accent),.12);
    }
}

/* 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: 1.9rem; --space-card: .9rem; --space-gap: .8rem; }
    .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; }
}