:root {
    --color-primary: #e11d48;
    --color-primary-dark: #be123c;
    --color-accent: #f59e0b;
    --color-surface: #fef2f2;
    --color-text: #4c0519;
    --rgb-primary: 225,29,72;
    --rgb-accent: 245,158,11;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(225,29,72,.08), 0 0 0 1px rgba(225,29,72,.03);
    --shadow-md: 0 4px 16px rgba(225,29,72,.12), 0 2px 6px rgba(225,29,72,.06), 0 0 0 1px rgba(225,29,72,.04);
    --shadow-lg: 0 12px 32px rgba(225,29,72,.18), 0 4px 12px rgba(225,29,72,.1), 0 0 0 1px rgba(225,29,72,.06);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(circle at 10% 20%, #fff1f2 0%, #fecdd3 45%, #fda4af 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); background: linear-gradient(135deg, #be123c 0%, #e11d48 40%, #f59e0b 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
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(145deg, #ffffff 0%, #fff1f2 60%, #ffe4e6 100%); border: 1px solid rgba(225,29,72,.1); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #e11d48 0%, #be123c 50%, #9f1239 100%); color: #fff1f2; box-shadow: 0 4px 12px rgba(225,29,72,.25); border: none; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 1px 2px rgba(225,29,72,.1); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); }
                .news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); border-top: 3px solid transparent; border-image: linear-gradient(90deg, #e11d48, #f59e0b, #84cc16) 1; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }
.feature-list .card { background: linear-gradient(145deg, #e11d48 0%, #be123c 100%); color: #fff1f2; border: none; box-shadow: 0 8px 24px rgba(225,29,72,.3); }
.feature-list .card:nth-child(even) { background: linear-gradient(145deg, #f59e0b 0%, #d97706 100%); box-shadow: 0 8px 24px rgba(245,158,11,.3); }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; background: radial-gradient(ellipse at center, rgba(225,29,72,.08) 0%, transparent 70%); padding: 2rem; border-radius: var(--radius-xl); }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }
                .testimonial-list .card { border-left: 4px solid; border-image: linear-gradient(180deg, #e11d48, #f59e0b) 1; background: linear-gradient(135deg, #ffffff 0%, #fff1f2 100%); }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }
.partner-grid .card { background: linear-gradient(145deg, #fef2f2 0%, #ffe4e6 100%); border: 2px dashed rgba(225,29,72,.2); box-shadow: none; }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
                .faq-wrapper > :first-child .card { background: linear-gradient(145deg, #ffffff, #fff1f2); border-left: 5px solid #e11d48; }
                .faq-wrapper > :last-child { background: linear-gradient(145deg, #be123c 0%, #9f1239 100%); color: #fff1f2; border-radius: var(--radius-lg); padding: 1.5rem; box-shadow: 0 8px 24px rgba(225,29,72,.25); }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }
                .stats-grid .card { background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%); color: #4c0519; box-shadow: 0 8px 24px rgba(245,158,11,.3); border: none; }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #e11d48 0%, #be123c 50%, #9f1239 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; color: #fff1f2; box-shadow: 0 16px 40px rgba(225,29,72,.3); border: 2px solid rgba(255,241,242,.2); }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(225,29,72,.2), 0 4px 16px rgba(225,29,72,.12); border-color: rgba(225,29,72,.3); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 8px 24px rgba(225,29,72,.4); filter: brightness(1.1); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 2px 4px rgba(245,158,11,.3); }

/* 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; }
}