:root {
    --color-primary: #a78bfa;
    --color-primary-dark: #0f0f1a;
    --color-accent: #f2c14e;
    --color-surface: #191233;
    --color-text: #ece7f7;
    --rgb-primary: 167,139,250;
    --rgb-accent: 242,193,78;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 34px;
    --shadow-sm: 0 1px 3px rgba(6,4,14,.75), 0 0 0 1px rgba(242,193,78,.06);
    --shadow-md: 0 14px 30px -10px rgba(124,58,237,.45), 0 4px 12px rgba(4,2,10,.6), inset 0 1px 0 rgba(255,255,255,.05);
    --shadow-lg: 0 32px 68px -16px rgba(124,58,237,.5), 0 12px 32px rgba(3,2,8,.65), inset 0 1px 0 rgba(255,255,255,.07);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background-color: #0f0f1a;
    background-image: radial-gradient(circle at 50% -10%, #2b1f5c 0%, #1a1333 36%, #0f0f1a 74%);
    caret-color: var(--color-accent);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #fdf8ee; text-shadow: 0 2px 22px rgba(242,193,78,.22); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background-image: radial-gradient(ellipse at 50% 0%, rgba(167,139,250,.10) 0%, rgba(242,193,78,.04) 45%, rgba(15,15,26,0) 68%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background-color: #191233; background-image: linear-gradient(160deg, #241a4a 0%, #191233 52%, #120d24 100%); backdrop-filter: blur(6px); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-image: linear-gradient(135deg, #f7d889 0%, #f2c14e 48%, #d99b21 100%); color: #1a1029; box-shadow: 0 12px 28px -12px rgba(242,193,78,.6), inset 0 1px 0 rgba(255,255,255,.45); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(242,193,78,.55); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
                .news-grid > *:first-child { grid-row: span 2; }

/* features: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-color: rgba(242,193,78,.6) #191233; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; background-image: radial-gradient(ellipse at 50% 35%, rgba(242,193,78,.10) 0%, rgba(167,139,250,.07) 42%, rgba(15,15,26,0) 74%); }

/* 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-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: 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: var(--color-accent); text-shadow: 0 6px 28px rgba(242,193,78,.35); }

/* cta: card-style */
.cta-inner { background: linear-gradient(140deg, #2e2160 0%, #1a1333 48%, #100b1f 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: inset 0 0 0 1px rgba(242,193,78,.28), 0 30px 64px -18px rgba(124,58,237,.55); }

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

/* 条件性装饰 */
.card { border: 1px solid rgba(var(--rgb-accent), .16); }
header, .header, .navbar { background: linear-gradient(180deg, rgba(43,31,92,.88) 0%, rgba(15,15,26,.42) 62%, rgba(15,15,26,0) 100%); backdrop-filter: blur(8px); }

/* 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; }
}