:root {
    --color-primary: #d4a017;
    --color-primary-dark: #0f0f1a;
    --color-accent: #ffd166;
    --color-surface: #1b1b30;
    --color-text: #f5f2e8;
    --color-stage: #0f0f1a;
    --rgb-primary: 212,160,23;
    --rgb-accent: 255,209,102;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --shadow-sm: 0 0 10px rgba(var(--rgb-accent),.22), 0 2px 6px rgba(5,5,15,.55);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent),.35), 0 8px 22px rgba(5,5,15,.60);
    --shadow-lg: 0 0 44px rgba(var(--rgb-accent),.45), 0 16px 40px rgba(5,5,15,.65);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.35s cubic-bezier(.22,1,.36,1);
    --heading-weight: 700;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); background-color: var(--color-stage); background-image: radial-gradient(1200px 600px at 50% 0%, rgba(var(--rgb-accent),.12), rgba(var(--rgb-accent),0) 68%); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-accent); }
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); }
.card:hover, [class*="card"]:hover { box-shadow: var(--shadow-lg); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 0 16px rgba(var(--rgb-accent),.28); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 0 32px rgba(var(--rgb-accent),.60); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 12px rgba(var(--rgb-accent),.55); }

/* ========== 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; }

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

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; background-image: linear-gradient(180deg, rgba(15,15,26,.35) 0%, rgba(15,15,26,.88) 100%); }
                .hero-content { position: relative; z-index: 1; text-shadow: 0 0 26px rgba(var(--rgb-accent),.35); }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s linear infinite; opacity: .9; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

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

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: card-style */
.cta-inner { background: var(--color-surface); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: 0 0 48px rgba(var(--rgb-accent),.32), inset 0 0 0 1px rgba(var(--rgb-accent),.25); }

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

/* 条件性装饰 */
.card { border-left: 3px solid var(--color-primary); border-color: rgba(var(--rgb-accent),.55); background-color: rgba(27,27,48,.72); }
header, .header, .navbar { background: transparent; }

/* 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; }
}