:root {
    --color-primary: #e11d48;
    --color-primary-dark: #9f1239;
    --color-accent: #fb7185;
    --color-surface: #ffffff;
    --color-text: #3b1a22;
    --rgb-primary: 225,29,72;
    --rgb-accent: 251,113,133;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 16px;
    --radius-xl: 22px;
    --shadow-sm: 0 2px 10px rgba(var(--rgb-primary), .10);
    --shadow-md: 0 6px 22px rgba(17,24,39,.08), 0 2px 10px rgba(var(--rgb-primary), .10);
    --shadow-lg: 0 14px 40px rgba(17,24,39,.12), 0 8px 24px rgba(var(--rgb-primary), .16), 0 0 24px rgba(var(--rgb-accent), .28);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 320ms cubic-bezier(0.2, 0.9, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

body { color: var(--color-text); line-height: var(--body-line-height); background: #f3f4f6; }
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: calc(var(--radius-lg) + 2px);
    background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(255,255,255,.96) 100%);
    box-shadow: 0 10px 30px rgba(17,24,39,.10), 0 2px 10px rgba(var(--rgb-primary), .10), 0 0 0 rgba(var(--rgb-accent), 0);
    padding: var(--space-card);
    transition: transform 420ms cubic-bezier(0.2, 0.9, 0.2, 1), box-shadow 420ms cubic-bezier(0.2, 0.9, 0.2, 1), border-color 420ms cubic-bezier(0.2, 0.9, 0.2, 1), filter 420ms cubic-bezier(0.2, 0.9, 0.2, 1);
    border: 1px solid rgba(225,29,72,.10);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: transform 320ms cubic-bezier(0.2, 0.9, 0.2, 1), box-shadow 320ms cubic-bezier(0.2, 0.9, 0.2, 1), background-color 320ms cubic-bezier(0.2, 0.9, 0.2, 1), border-color 320ms cubic-bezier(0.2, 0.9, 0.2, 1), color 320ms cubic-bezier(0.2, 0.9, 0.2, 1);
    outline-color: rgba(var(--rgb-accent), .85);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 0 0 rgba(0,0,0,0); }
a:not([class]):hover { text-shadow: 0 0 18px rgba(var(--rgb-accent), .35); }
.card:focus-within { box-shadow: 0 12px 34px rgba(17,24,39,.14), 0 8px 22px rgba(var(--rgb-primary), .18), 0 0 0 3px rgba(var(--rgb-accent), .25); }

@keyframes softPulse {
    0% { filter: drop-shadow(0 0 0 rgba(var(--rgb-accent), 0)); }
    50% { filter: drop-shadow(0 0 18px rgba(var(--rgb-accent), .28)); }
    100% { filter: drop-shadow(0 0 0 rgba(var(--rgb-accent), 0)); }
}

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

/* news: featured-top */
/* 首篇横跨全宽 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
                .news-grid > *:first-child { grid-column: span 3; }

/* features: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

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

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

/* 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(-5px);
    box-shadow: 0 16px 48px rgba(17,24,39,.16), 0 10px 30px rgba(var(--rgb-primary), .22), 0 0 0 1px rgba(225,29,72,.20), 0 0 32px rgba(var(--rgb-accent), .45);
    filter: saturate(1.02);
    animation: softPulse 1.25s ease-in-out both;
}
a:not([class]):hover { color: #fb4f74; }
.card { border-left: 3px solid var(--color-primary); border-left-color: color-mix(in srgb, var(--color-primary) 85%, white 15%); }
header, .header, .navbar { background: 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; }
}