/* CSSVariantEngine v3.0 — index-link-okoo.com.cn */
/* Palette: violet-rose | Radius: rounded | Shadow: layered */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"overlay","testimonials":"stacked","partners":"grid-4","faq":"two-column","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #ec4899;
    --color-surface: #faf9fc;
    --color-text: #241b3a;
    --rgb-primary: 124,58,237;
    --rgb-accent: 236,72,153;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 26px;
    --radius-xl: 34px;
    --shadow-sm: 0 2px 6px rgba(76,29,149,.06), 0 1px 2px rgba(236,72,153,.04);
    --shadow-md: 0 10px 28px -8px rgba(76,29,149,.14), 0 4px 12px -4px rgba(236,72,153,.10);
    --shadow-lg: 0 24px 60px -16px rgba(76,29,149,.22), 0 12px 30px -12px rgba(236,72,153,.16);
    --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: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #f4f4f9; background-image: radial-gradient(ellipse at 12% 8%, rgba(124,58,237,.10), transparent 42%), radial-gradient(ellipse at 88% 92%, rgba(236,72,153,.10), transparent 42%), linear-gradient(180deg, #f8f8fc 0%, #ececf4 100%); background-attachment: fixed; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background-image: linear-gradient(180deg, rgba(124,58,237,.015) 0%, rgba(236,72,153,.015) 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(180deg, rgba(255,255,255,0) 0, rgba(255,255,255,0) 4px, #ffffff 4px, #ffffff 100%) padding-box, linear-gradient(135deg, rgba(124,58,237,.75) 0%, rgba(168,85,247,.65) 50%, rgba(236,72,153,.75) 100%) border-box; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #7c3aed 0%, #a855f7 45%, #ec4899 100%); color: #ffffff; box-shadow: 0 8px 20px -8px rgba(124,58,237,.5), 0 2px 6px -2px rgba(236,72,153,.3); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* features: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; background: radial-gradient(ellipse at 30% 20%, rgba(124,58,237,.18), transparent 55%), radial-gradient(ellipse at 80% 80%, rgba(236,72,153,.18), transparent 55%), linear-gradient(135deg, #ffffff 0%, #f7f0ff 50%, #fff0f7 100%); }
                .hero-content { position: relative; z-index: 1; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

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

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 12px rgba(236,72,153,.4); }
.card { border: 1px solid transparent; }

/* 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; }
}