:root {
    --color-primary: #c8961e;
    --color-primary-dark: #8f6a10;
    --color-accent: #ffd166;
    --color-surface: #fdf6e0;
    --color-text: #ece7f7;
    --rgb-primary: 200,150,30;
    --rgb-accent: 255,209,102;
    --radius-sm: 0px;
    --radius-md: 0px;
    --radius-lg: 2px;
    --radius-xl: 3px;
    --shadow-sm: 2px 2px 0 rgba(200,150,30,.55);
    --shadow-md: 4px 4px 0 rgba(200,150,30,.65), 0 0 0 1px rgba(255,209,102,.10);
    --shadow-lg: 6px 6px 0 rgba(143,106,16,.75), 0 0 28px rgba(255,209,102,.14);
    --space-section: 2.25rem;
    --space-card: 1.05rem;
    --space-gap: 0.75rem;
    --transition: 0.15s cubic-bezier(0.25, 0, 0.1, 1);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { background-color: #0f0f1a; background-image: radial-gradient(120% 80% at 50% 0%, rgba(200,150,30,0.16) 0%, rgba(15,15,26,0) 65%); color: var(--color-text); line-height: var(--body-line-height); }
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); padding: var(--space-card); transition: var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-4 */
/* 四列紧凑网格 */
                .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* features: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 17s ease-in-out infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* cta: card-style */
.cta-inner { background: linear-gradient(160deg, #fdf6e0 0%, #f2e0b4 100%); color: #17102b; border-radius: var(--radius-xl); box-shadow: 8px 8px 0 rgba(200,150,30,.35); padding: 3rem; text-align: center; }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 10px rgba(255,209,102,.6); }
.card { border: 1px solid rgba(var(--rgb-accent), .45); }
header, .header, .navbar { background: linear-gradient(180deg, rgba(15,15,26,0.96) 0%, rgba(15,15,26,0.72) 60%, rgba(15,15,26,0) 100%); }

/* 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; }
}