/* CSSVariantEngine v3.0 — zh-yihaoyuleapp.gd.cn */
/* Palette: warm-pinterest | Radius: soft rounded | Shadow: multi-layer soft */
/* Spacing: medium | Transition: smooth gradient-rich */
/* Section layouts: {"news":"grid-3","features":"grid-3","hero":"centered","testimonials":"stacked","partners":"centered","faq":"single-column","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #e64c65;
    --color-primary-dark: #b82a41;
    --color-accent: #ff9a76;
    --color-surface: #f7f5f3;
    --color-text: #2d2a32;
    --rgb-primary: 230,76,101;
    --rgb-accent: 255,154,118;
    --radius-sm: 4px;
    --radius-md: 10px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-sm: 0 3px 12px rgba(45, 42, 50, 0.08), 0 1px 3px rgba(45, 42, 50, 0.04);
    --shadow-md: 0 6px 24px rgba(45, 42, 50, 0.1), 0 2px 8px rgba(45, 42, 50, 0.06);
    --shadow-lg: 0 12px 48px rgba(45, 42, 50, 0.12), 0 4px 16px rgba(45, 42, 50, 0.07);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 1.25rem;
    --transition: 0.55s cubic-bezier(0.25, 0.1, 0.25, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
    accent-color: var(--color-primary);
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #faf8f7 0%, #f0eeec 100%);
    caret-color: var(--color-primary);
}
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: linear-gradient(180deg, #ffffff 0%, #fffcfb 100%);
    border: 2px solid transparent;
    border-image: linear-gradient(135deg, var(--color-primary), var(--color-accent), #ffd166) 1;
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow-md); 
    padding: var(--space-card); 
    transition: var(--transition); 
}
.card:hover, [class*="card"]:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md); 
    box-shadow: var(--shadow-sm);
    transition: var(--transition); 
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    box-shadow: var(--shadow-md);
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition); 
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}
a:not([class]):hover {
    color: var(--color-primary-dark);
}

/* ========== 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: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

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

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

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

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

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

/* 条件性装饰 */
header, .header, .navbar { 
    background: linear-gradient(90deg, rgba(255,255,255,0.9) 0%, rgba(255,253,252,0.85) 100%);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    border-image: linear-gradient(90deg, var(--color-accent), transparent, var(--color-primary)) 1;
}

/* 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: 1.25rem; }
    .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; }
}