/* CSSVariantEngine v3.0 — go-xingkongtiyu.org.cn */
/* Palette: gradient-burst | Radius: asymmetric-mixed | Shadow: dual-color layered */
/* Spacing: bold-contrast | Transition: smooth-long */
/* Section layouts: {"news":"featured-left","features":"grid-2","hero":"left-aligned","testimonials":"carousel","partners":"grid-6","faq":"two-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #ff2e63;
    --color-primary-dark: #c41e4a;
    --color-accent: #00f5d4;
    --color-surface: #fff9f2;
    --color-text: #0f172a;
    --rgb-primary: 255,46,99;
    --rgb-accent: 0,245,212;
    --radius-sm: 6px 18px 8px 16px;
    --radius-md: 12px 32px 14px 28px;
    --radius-lg: 18px 48px 20px 40px;
    --radius-xl: 24px 64px 26px 56px;
    --shadow-sm: 2px 3px 10px rgba(var(--rgb-primary), 0.18), -1px -2px 6px rgba(var(--rgb-accent), 0.12);
    --shadow-md: 4px 6px 20px rgba(var(--rgb-primary), 0.15), -2px -3px 12px rgba(var(--rgb-accent), 0.10);
    --shadow-lg: 8px 12px 40px rgba(var(--rgb-primary), 0.12), -3px -5px 24px rgba(var(--rgb-accent), 0.08);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: linear-gradient(180deg, #fef3c7 0%, #fce7f3 50%, #e0f2fe 100%);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { 
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow-md); 
    padding: var(--space-card); 
    transition: var(--transition); 
    background: linear-gradient(135deg, #ffffff 0%, #fef7ed 100%);
    border: 2px solid transparent;
    border-image: linear-gradient(135deg, var(--color-primary), var(--color-accent)) 1 stretch;
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: white;
    border: none;
}
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); }
.news-grid > *:first-child { grid-row: span 2; background: linear-gradient(145deg, #ffeeee 0%, #fff2cc 100%); }

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

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }
.hero-inner { background: radial-gradient(circle at top left, var(--color-accent) 0%, transparent 70%); }

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; } 
.testimonial-list > * { flex: 0 0 100%; background: linear-gradient(120deg, #e0f7fa 0%, #ffe0b2 100%); }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }
.partner-grid > * { background: linear-gradient(45deg, #fafafa 0%, #f5f5f5 100%); border-radius: var(--radius-sm); }

/* 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; }
.stats-grid > * { background: linear-gradient(160deg, #ffccd5 0%, #b2f5ea 100%); }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: linear-gradient(90deg, var(--color-primary-dark) 0%, #2dd4bf 100%); color: white; padding: 3rem; border-radius: var(--radius-xl); }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 4px rgba(var(--rgb-accent), 0.4); }
header, .header, .navbar { 
    background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%); 
    backdrop-filter: blur(12px);
}

/* 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; }
}