:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #312e81;
    --color-accent: #f59e0b;
    --color-surface: #fdf4ff;
    --color-text: #1f1630;
    --rgb-primary: 124,58,237;
    --rgb-accent: 245,158,11;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 16px;
    --radius-xl: 28px;
    --shadow-sm: 0 0 0 1px rgba(var(--rgb-primary),.18), 0 6px 18px rgba(var(--rgb-primary),.16), 0 0 20px rgba(var(--rgb-accent),.14);
    --shadow-md: 0 0 0 1px rgba(var(--rgb-primary),.22), 0 10px 24px rgba(var(--rgb-primary),.18), 0 0 24px rgba(var(--rgb-accent),.22);
    --shadow-lg: 0 0 0 1px rgba(var(--rgb-primary),.28), 0 14px 34px rgba(var(--rgb-primary),.22), 0 0 32px rgba(var(--rgb-accent),.34);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.28s cubic-bezier(.22,1,.36,1);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #fff7ed 0%, #fdf4ff 48%, #eef2ff 100%); caret-color: var(--color-accent); accent-color: var(--color-accent); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #24153f; text-shadow: 0 1px 0 rgba(255,255,255,.7), 0 0 14px rgba(var(--rgb-primary),.12); }
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, rgba(255,255,255,.94), rgba(250,245,255,.9)); border-color: rgba(var(--rgb-primary),.26); border-style: solid; backdrop-filter: blur(10px) saturate(1.08); filter: saturate(1.02); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #f59e0b, #fb7185); color: #2b1022; border-color: rgba(124,58,237,.45); border-style: solid; box-shadow: 0 0 0 1px rgba(255,255,255,.3) inset, 0 8px 20px rgba(245,158,11,.24), 0 0 24px rgba(245,158,11,.28); text-shadow: 0 1px 0 rgba(255,255,255,.25); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(var(--rgb-accent),.65); text-shadow: 0 0 12px rgba(var(--rgb-primary),.12); }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; background: linear-gradient(135deg, rgba(255,247,237,.96), rgba(254,240,255,.92)); border-color: rgba(245,158,11,.38); box-shadow: 0 0 0 1px rgba(245,158,11,.16), 0 12px 28px rgba(124,58,237,.16), 0 0 24px rgba(245,158,11,.22); }

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

/* 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: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; color: #6d28d9; text-shadow: 0 0 20px rgba(124,58,237,.24), 0 2px 0 rgba(255,255,255,.65); }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #312e81 0%, #7c3aed 52%, #f59e0b 100%); color: #fff7ed; padding: 4rem 2rem; box-shadow: inset 0 0 0 1px rgba(255,255,255,.14), 0 0 32px rgba(245,158,11,.26), 0 14px 36px rgba(49,46,129,.34); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: 0 0 0 1px rgba(var(--rgb-primary),.32), 0 18px 38px rgba(var(--rgb-primary),.22), 0 0 32px rgba(var(--rgb-accent),.6); filter: saturate(1.08) brightness(1.02); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(130deg, #312e81 0%, #7c3aed 58%, #ec4899 100%); color: #fff7fb; text-shadow: 0 2px 10px rgba(49,46,129,.28); }

/* 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; }
}