/* CSSVariantEngine v3.0 — qhttqkj.com */
/* Palette: violet-cyan | Radius: generous | Shadow: multi-layer */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"featured-left","features":"grid-3","hero":"overlay","testimonials":"grid-3","partners":"centered","faq":"with-sidebar","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #3b0764;
    --color-accent: #22d3ee;
    --color-surface: #f7f3ff;
    --color-text: #1b1633;
    --rgb-primary: 124,58,237;
    --rgb-accent: 34,211,238;
    --grad-hero: linear-gradient(135deg, #3b0764 0%, #7c3aed 45%, #22d3ee 100%);
    --grad-surface: linear-gradient(150deg, #ffffff 0%, #f7f3ff 46%, #e6fbff 100%);
    --grad-accent: linear-gradient(120deg, #0891b2 0%, #4f46e5 50%, #9333ea 100%);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 30px;
    --shadow-sm: 0 1px 2px rgba(var(--rgb-primary),.14), 0 3px 10px -2px rgba(var(--rgb-accent),.18);
    --shadow-md: 0 8px 22px -8px rgba(var(--rgb-primary),.38), 0 3px 10px -3px rgba(var(--rgb-accent),.24);
    --shadow-lg: 0 20px 48px -14px rgba(var(--rgb-primary),.44), 0 8px 20px -8px rgba(var(--rgb-accent),.28);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-image: linear-gradient(180deg, #fbf8ff 0%, #eef3ff 52%, #e7fdff 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background-image: radial-gradient(circle at 10% -10%, rgba(124,58,237,.09), transparent 58%), radial-gradient(circle at 92% 108%, rgba(34,211,238,.10), transparent 58%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background-image: linear-gradient(150deg, #ffffff 0%, #f7f3ff 46%, #e6fbff 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-image: var(--grad-accent); color: #ffffff; box-shadow: var(--shadow-sm); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); background-image: linear-gradient(135deg, rgba(124,58,237,.14) 0%, rgba(124,58,237,.03) 55%, rgba(34,211,238,.12) 100%); border-radius: var(--radius-lg); }
                .news-grid > *:first-child { grid-row: span 2; }

/* features: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); background-image: linear-gradient(160deg, rgba(34,211,238,.13) 0%, rgba(192,132,252,.10) 60%, rgba(124,58,237,.05) 100%); border-radius: var(--radius-lg); }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; background-image: var(--grad-hero); box-shadow: var(--shadow-lg); border-radius: 0 0 var(--radius-xl) var(--radius-xl); }
                .hero-content { position: relative; z-index: 1; color: #f5f3ff; text-shadow: 0 2px 20px rgba(10,4,40,.55), 0 1px 2px rgba(10,4,40,.35); }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); background-image: radial-gradient(circle at 28% 18%, rgba(192,132,252,.16), rgba(34,211,238,.08) 55%, rgba(255,255,255,0) 78%); border-radius: var(--radius-lg); }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; background-image: linear-gradient(90deg, rgba(34,211,238,.10) 0%, rgba(124,58,237,.08) 50%, rgba(251,191,36,.09) 100%); border-radius: var(--radius-lg); }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; background-image: linear-gradient(120deg, rgba(34,211,238,.11) 0%, rgba(124,58,237,.13) 100%); border-radius: var(--radius-lg); }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; background-image: linear-gradient(90deg, rgba(34,211,238,.13) 0%, rgba(192,132,252,.10) 50%, rgba(124,58,237,.13) 100%); border-radius: var(--radius-lg); }

/* cta: card-style */
.cta-inner { background: var(--grad-surface); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: var(--shadow-lg); }

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

/* 条件性装饰 */
.card { border-left: 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: 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; }
}