/* CSSVariantEngine v3.0 — zh-pgemulator.net */
/* Palette: indigo-orange | Radius: sharp | Shadow: hard offset */
/* Spacing: medium | Transition: snappy 0.15s */
/* Section layouts: {"news":"list-view","features":"grid-3","hero":"overlay","testimonials":"carousel","partners":"centered","faq":"with-sidebar","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #4f46e5;
    --color-primary-dark: #3730a3;
    --color-accent: #f97316;
    --color-surface: #f3f4f6;
    --color-text: #111827;
    --rgb-primary: 79,70,229;
    --rgb-accent: 249,115,22;
    --radius-sm: 2px;
    --radius-md: 3px;
    --radius-lg: 4px;
    --radius-xl: 4px;
    --shadow-sm: 2px 2px 0px rgba(0,0,0,0.18);
    --shadow-md: 4px 4px 0px rgba(79,70,229,0.3);
    --shadow-lg: 6px 6px 0px rgba(249,115,22,0.35);
    --space-section: 2.1rem;
    --space-card: 1.1rem;
    --space-gap: 1.25rem;
    --transition: 0.15s cubic-bezier(0.25, 0.1, 0.25, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

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

/* ========== 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: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 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; background: linear-gradient(120deg, #eef2ff 0%, #fef3c7 100%); }
                .hero-content { position: relative; z-index: 1; text-shadow: 1px 1px 0px rgba(255,255,255,0.8); }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { background-color: #ffffff; border: 2px solid #d1d5db; border-radius: var(--radius-sm); padding: 0.75rem; }

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

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card { border-top-color: var(--color-primary); }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: #fff; padding: 4rem 2rem; border-top: 3px solid var(--color-accent); }

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

/* 条件性装饰 */
.card { border: 2px solid rgba(var(--rgb-primary), .2); }
header, .header, .navbar { background-color: #ffffff; box-shadow: 3px 3px 0px rgba(79,70,229, 0.2); border-bottom: 2px solid rgba(var(--rgb-accent), .3); }

/* 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: 1rem; }
    .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; }
}