/* CSSVariantEngine v3.0 — kaiyun-ml-zhcn.com.cn */
/* Palette: violet-cyan | Radius: medium | Shadow: glow */
/* Spacing: comfortable | Transition: glide */
/* Section layouts: {"news":"featured-left","features":"grid-2","hero":"left-aligned","testimonials":"grid-3","partners":"grid-6","faq":"two-column","stats":"inline","cta":"centered"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #2e1065;
    --color-accent: #06b6d4;
    --color-surface: #f6f4ff;
    --color-text: #211b4f;
    --rgb-primary: 109,40,217;
    --rgb-accent: 6,182,212;
    --card-accent: 6,182,212;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 0 0 1px rgba(109,40,217,.06), 0 2px 6px rgba(6,182,212,.12);
    --shadow-md: 0 0 18px rgba(6,182,212,.22), 0 10px 24px rgba(109,40,217,.16);
    --shadow-lg: 0 0 34px rgba(6,182,212,.32), 0 18px 42px rgba(109,40,217,.20);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.28s cubic-bezier(.22,1,.36,1);
    --heading-weight: 600;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background:
        radial-gradient(circle at 12% 8%, rgba(109,40,217,.13), transparent 36%),
        radial-gradient(circle at 88% 12%, rgba(6,182,212,.14), transparent 40%),
        linear-gradient(160deg, #fbfaff 0%, #f6f4ff 52%, #eefcff 100%);
}
h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    color: #241a5e;
    text-shadow: 0 0 22px rgba(109,40,217,.14);
}
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow:
        0 0 0 1px rgba(var(--rgb-primary), .08),
        0 0 24px rgba(var(--card-accent), .38),
        0 18px 38px rgba(35,20,90,.14);
    padding: var(--space-card);
    transition: var(--transition);
    background: linear-gradient(155deg, rgba(255,255,255,.98), rgba(246,244,255,.94));
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(120deg, #6d28d9 0%, #06b6d4 100%);
    color: #ffffff;
    box-shadow: 0 0 20px rgba(109,40,217,.40), 0 10px 22px rgba(6,182,212,.25);
}
a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-decoration-color: rgba(6,182,212,.65);
}

/* ========== 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); --card-accent: 236,72,153; }
                .news-grid > *:first-child { grid-row: span 2; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); --card-accent: 124,58,237; }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); --card-accent: 6,182,212; }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; --card-accent: 245,158,11; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); --card-accent: 16,185,129; }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; --card-accent: 239,68,68; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

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

/* 条件性装饰 */

/* 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; }
}