/* CSSVariantEngine v3.0 — official-hth-2026.com.cn */
/* Palette: signal-orange | Radius: sharp | Shadow: hard-offset */
/* Spacing: comfortable | Transition: snappy */
/* Section layouts: {"news":"masonry-2","features":"grid-4","hero":"overlay","testimonials":"masonry","partners":"grid-6","faq":"with-sidebar","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #c2410c;
    --color-primary-dark: #9a3412;
    --color-accent: #ffe600;
    --color-surface: #fff8f0;
    --color-text: #141414;
    --rgb-primary: 194,65,12;
    --rgb-accent: 255,230,0;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 4px;
    --radius-xl: 0px;
    --shadow-sm: 3px 3px 0px 0px #141414;
    --shadow-md: 5px 5px 0px 0px #141414;
    --shadow-lg: 8px 8px 0px 0px #141414;
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.15s cubic-bezier(0.2, 0, 0, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
    caret-color: var(--color-primary);
    accent-color: var(--color-primary);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: 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); transition: var(--transition); box-shadow: var(--shadow-sm); outline: 2px solid #141414; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

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

/* hero: overlay */
/* 全屏背景+文字覆盖 */
.hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
.hero-content { position: relative; z-index: 1; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
.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; }

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

/* 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; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #ffe600 0%, #c2410c 100%); }
.card { border: 1px solid #141414; }

/* 分区背景：不对称撞色块 */
.news-grid { background: #ffc88a; outline: 2px solid #141414; }
.feature-list { background: #bef264; outline: 2px solid #141414; }
.testimonial-list { background: #fda4af; outline: 2px solid #141414; }
.partner-grid { background: #7dd3fc; outline: 2px solid #141414; }
.faq-wrapper { background: #c4b5fd; outline: 2px solid #141414; }
.stats-grid { background: #fcd34d; outline: 2px solid #141414; }
.cta-inner { background: #6ee7b7; outline: 2px solid #141414; }

/* 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; }
}