/* CSSVariantEngine v3.0 — page-hth-pc.com.cn */
/* Palette: coral | Radius: airy | Shadow: soft-pillow */
/* Spacing: generous | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"grid-4","hero":"centered","testimonials":"stacked","partners":"grid-6","faq":"with-sidebar","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #d95d74;
    --color-primary-dark: #ab3f55;
    --color-accent: #f4a261;
    --color-surface: #f7f5f2;
    --color-text: #33302e;
    --rgb-primary: 217, 93, 116;
    --rgb-accent: 244, 162, 97;
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 10px rgba(51, 48, 46, 0.05), 0 1px 4px rgba(51, 48, 46, 0.04);
    --shadow-md: 0 10px 32px rgba(51, 48, 46, 0.07), 0 4px 14px rgba(51, 48, 46, 0.05);
    --shadow-lg: 0 20px 50px rgba(51, 48, 46, 0.10), 0 8px 20px rgba(51, 48, 46, 0.06);
    --space-section: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.5rem;
    --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
    accent-color: var(--color-primary);
    caret-color: var(--color-primary);
}

/* 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"] { 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); background-color: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-top */
/* 首篇横跨全宽 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.news-grid > *:first-child { grid-column: span 3; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

/* testimonials: stacked */
/* 垂直堆叠 */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2.25rem; }

/* stats: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2.25rem; }
.stats-grid .stat-value { font-size: 3rem; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2.25rem; }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.card {
    border: 1px solid rgba(51, 48, 46, 0.06);
    background-color: #fff;
    background-image: linear-gradient(135deg, rgba(var(--rgb-accent), 0.08) 0%, rgba(255,255,255,0) 40%);
    box-shadow: var(--shadow-md), inset 0 3px 0 var(--color-accent);
}
header, .header, .navbar {
    background: linear-gradient(to bottom, rgba(255,255,255,0.92), rgba(255,255,255,0.56));
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

/* 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: 2.25rem;
        --space-card: 1.125rem;
        --space-gap: 0.875rem;
    }
    .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; }
}