:root {
    --color-primary: #ff5c8a;
    --color-primary-dark: #9d174d;
    --color-accent: #fbbf24;
    --color-surface: #111827;
    --color-text: #f9fafb;
    --rgb-primary: 255,92,138;
    --rgb-accent: 251,191,36;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 2px 2px 0 rgba(251,191,36,.5), 0 4px 18px rgba(255,92,138,.25);
    --shadow-md: 4px 4px 0 rgba(251,191,36,.5), 0 8px 32px rgba(255,92,138,.3);
    --shadow-lg: 6px 6px 0 rgba(251,191,36,.6), 0 12px 48px rgba(255,92,138,.35);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: radial-gradient(circle at 10% 20%, rgba(255,92,138,.15), transparent 40%),
                linear-gradient(135deg, #0f1023 0%, #1c1a2e 50%, #101322 100%);
    background-attachment: fixed;
}
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), inset 0 0 0 1px rgba(255,255,255,.04);
    padding: var(--space-card);
    transition: var(--transition);
    background: linear-gradient(145deg, rgba(30,27,44,.85), rgba(13,12,22,.95));
    backdrop-filter: blur(4px);
}
.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));
    box-shadow: 2px 2px 0 rgba(251,191,36,.5), 0 4px 18px rgba(255,92,138,.3);
    color: #fff;
}
a:not([class]) {
    color: var(--color-accent);
    transition: var(--transition);
    text-shadow: 0 2px 8px rgba(251,191,36,.3);
}

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid {
                    column-count: 2;
                    column-gap: var(--space-gap);
                    background: linear-gradient(135deg, rgba(255,92,138,.18), rgba(251,191,36,.12));
                    border-radius: var(--radius-xl);
                    box-shadow: inset 0 0 0 1px rgba(255,255,255,.03);
                }
                .news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* features: grid-3 */
.feature-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-gap);
    background: radial-gradient(circle at 20% 30%, rgba(251,191,36,.2), transparent 70%);
    border-radius: var(--radius-lg);
}

/* hero: split */
/* 左文右图 */
                .hero-inner {
                    display: grid;
                    grid-template-columns: 1fr 1fr;
                    gap: 2rem;
                    align-items: center;
                    background: linear-gradient(120deg, rgba(255,92,138,.22), rgba(251,191,36,.1));
                    border-radius: var(--radius-xl);
                }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list {
                    display: flex;
                    overflow: hidden;
                    background: linear-gradient(180deg, rgba(31,29,43,.8), rgba(13,12,22,.8));
                    border-radius: var(--radius-lg);
                }
                .testimonial-list > * { flex: 0 0 100%; }

/* partners: centered */
.partner-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    background: conic-gradient(from 180deg at 50% 50%, rgba(255,92,138,.12), rgba(251,191,36,.12), rgba(255,92,138,.12));
    border-radius: var(--radius-xl);
}

/* faq: two-column */
.faq-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-gap);
    background: linear-gradient(145deg, rgba(255,92,138,.1), rgba(251,191,36,.08));
    border-radius: var(--radius-lg);
}

/* stats: inline */
/* 水平排列 */
                .stats-grid {
                    display: flex;
                    justify-content: center;
                    gap: 3rem;
                    background: linear-gradient(90deg, rgba(251,191,36,.15), rgba(255,92,138,.15));
                    border-radius: var(--radius-lg);
                }

/* cta: split */
.cta-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2rem;
    background: radial-gradient(circle at right center, rgba(255,92,138,.25), transparent 60%);
    border-radius: var(--radius-xl);
}

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

/* 条件性装饰 */

/* 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; }
}