/* CSSVariantEngine v3.0 — zh-zh-sinuoke.com.cn */
/* Palette: sharp-teal | Radius: minimal | Shadow: hard-offset */
/* Spacing: mixed-tight | Transition: snappy */
/* Section layouts: {"news":"grid-3","features":"horizontal","hero":"overlay","testimonials":"masonry","partners":"grid-4","faq":"with-sidebar","stats":"grid-4","cta":"card-style"} */

:root {
    --color-primary: #0d9488;
    --color-primary-dark: #115e59;
    --color-accent: #eab308;
    --color-surface: #ecfccb;
    --color-text: #0f172a;
    --rgb-primary: 13, 148, 136;
    --rgb-accent: 234, 179, 8;
    --radius-sm: 0px;
    --radius-md: 2px;
    --radius-lg: 3px;
    --radius-xl: 4px;
    --shadow-sm: 3px 3px 0px #000000;
    --shadow-md: 5px 5px 0px #000000;
    --shadow-lg: 7px 7px 0px rgba(0, 10, 15, 0.95);
    --space-section: 4.9rem;
    --space-card: 1.9rem;
    --space-gap: 0.8rem;
    --transition: 0.15s ease-out;
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #fef9c3; caret-color: var(--color-primary); accent-color: var(--color-accent); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 1px 1px 0px var(--color-accent); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); border-bottom: 3px solid var(--color-text); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); border: 3px solid var(--color-text); background-color: var(--color-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); border: 2px solid var(--color-primary-dark); background-color: var(--color-accent); color: var(--color-text); box-shadow: var(--shadow-sm); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0px #000; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); border-bottom: 2px solid var(--color-accent); outline-color: var(--color-primary-dark); }

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

/* news: grid-3 */
.news-grid { display: grid; grid-template-columns: 1fr 2fr 1fr; gap: var(--space-gap); }
.news-section { background-color: #fef08a; }

/* features: horizontal */
.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; border: 2px solid var(--color-text); background-color: #fde047; }
.features-section { background-color: #fde68a; }

/* hero: overlay */
.hero { position: relative; min-height: 70vh; display: flex; align-items: center; background: linear-gradient(135deg, #a7f3d0 0%, #6ee7b7 100%); border-bottom: 4px solid var(--color-primary-dark); }
.hero-content { position: relative; z-index: 1; filter: drop-shadow(2px 2px 0px white); }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); background-color: #bae6fd; border: 3px solid #1e40af; }
.testimonials-section { background-color: #7dd3fc; }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }
.partner-grid > * { border: 2px solid var(--color-text); padding: 1rem; background-color: #fbcfe8; }
.partners-section { background-color: #f9a8d4; }

/* faq: with-sidebar */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.faq-sidebar { background-color: #ddd6fe; border: 3px solid #4c1d95; }
.faq-section { background-color: #c4b5fd; }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid > * { background-color: #fca5a5; border: 2px solid #7f1d1d; box-shadow: var(--shadow-sm); }
.stats-section { background-color: #fecaca; }

/* cta: card-style */
.cta-inner { background: linear-gradient(180deg, #fef08a 0%, #fde047 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; border: 3px solid var(--color-text); box-shadow: var(--shadow-lg); }
.cta-section { background-color: #fef9c3; }

/* Page Layout: full-width */
.page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
header, .header, .navbar { background: #0f172a; color: #ffffff; border-bottom: 3px solid var(--color-accent); }

/* 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: 2.1rem; --space-card: 1.1rem; --space-gap: 0.9rem; }
    .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; }
}