:root {
    --color-primary: #e11d48;
    --color-primary-dark: #9f1239;
    --color-accent: #f59e0b;
    --color-surface: #fff1f2;
    --color-text: #3f1420;
    --rgb-primary: 225, 29, 72;
    --rgb-accent: 245, 158, 11;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 16px;
    --shadow-sm: 0 2px 8px rgba(var(--rgb-primary), 0.08), 0 0 12px rgba(var(--rgb-accent), 0.18);
    --shadow-md: 0 6px 16px rgba(var(--rgb-primary), 0.12), 0 0 24px rgba(var(--rgb-accent), 0.4);
    --shadow-lg: 0 10px 24px rgba(var(--rgb-primary), 0.18), 0 0 32px rgba(var(--rgb-accent), 0.6);
    --space-section: 3.5rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
    accent-color: var(--color-accent);
    caret-color: var(--color-primary);
}

body { color: var(--color-text); line-height: var(--body-line-height); background: #fdf8f5; }
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: radial-gradient(circle at 88% 12%, rgba(var(--rgb-accent), 0.22), transparent 52%), linear-gradient(145deg, #ffffff, rgba(var(--rgb-primary), 0.04)); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff; box-shadow: 0 0 14px rgba(var(--rgb-accent), 0.35), 0 4px 12px rgba(var(--rgb-primary), 0.15); animation: mosaicGlow 3s ease-in-out infinite; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(var(--rgb-accent), 0.4); }

/* ========== 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-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; }

/* 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: 2.25rem; }

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

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 2.5rem; }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary) 55%, var(--color-accent)); border-radius: var(--radius-xl); padding: 3rem; text-align: center; color: #fff; box-shadow: var(--shadow-lg); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px) rotate(-0.25deg); box-shadow: var(--shadow-lg); border-color: rgba(var(--rgb-accent), 0.65); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 12px rgba(var(--rgb-accent), 0.45); }
.card { border: 1px solid rgba(var(--rgb-accent), 0.28); }
header, .header, .navbar { background: rgba(255,255,255,0.35); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 4px 20px rgba(var(--rgb-primary), 0.06); }

@keyframes mosaicGlow {
    0%, 100% { box-shadow: 0 0 12px rgba(var(--rgb-accent), 0.3), 0 4px 12px rgba(var(--rgb-primary), 0.12); }
    50% { box-shadow: 0 0 24px rgba(var(--rgb-accent), 0.55), 0 8px 20px rgba(var(--rgb-primary), 0.2); }
}

/* 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: 2.25rem; --space-card: 1.125rem; --space-gap: 0.875rem; }
    .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; }
}