:root {
    --color-primary: #d4a53a;
    --color-primary-dark: #9a7420;
    --color-accent: #f6dfa0;
    --color-surface: #15152c;
    --color-text: #f3eee2;
    --rgb-primary: 212,165,58;
    --rgb-accent: 246,223,160;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 2px rgba(6,6,18,.6), 0 0 0 1px rgba(212,165,58,.08);
    --shadow-md: 0 2px 8px rgba(6,6,18,.55), 0 12px 28px -14px rgba(212,165,58,.32), inset 0 1px 0 rgba(255,255,255,.05);
    --shadow-lg: 0 6px 16px rgba(6,6,18,.65), 0 22px 48px -18px rgba(212,165,58,.5), 0 0 0 1px rgba(246,223,160,.2), inset 0 1px 0 rgba(255,255,255,.09);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.75;
    accent-color: var(--color-primary);
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    background-color: #0f0f1a;
    background-image: radial-gradient(1100px 620px at 50% -8%, #1e1b3a 0%, #15152c 40%, #0f0f1a 72%, #0a0a12 100%);
    line-height: var(--body-line-height);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #fbf6ea; text-shadow: 0 1px 0 rgba(212,165,58,.22); }
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-color: #16162e;
    background-image: linear-gradient(155deg, rgba(212,165,58,.15) 0%, rgba(246,223,160,.05) 22%, rgba(22,22,46,.92) 48%, rgba(15,15,26,.97) 100%);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    color: #16162e;
    background-color: #d4a53a;
    background-image: linear-gradient(135deg, #f6dfa0 0%, #d4a53a 45%, #9a7420 100%);
    border-color: rgba(246,223,160,.55);
    box-shadow: 0 4px 14px -6px rgba(212,165,58,.6), inset 0 1px 0 rgba(255,255,255,.35);
}
a:not([class]) {
    color: var(--color-accent);
    text-decoration-color: rgba(246,223,160,.45);
    transition: var(--transition);
}

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); }
                .news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* features: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

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

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

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

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

/* cta: card-style */
.cta-inner {
    background-color: #1a1832;
    background-image: linear-gradient(140deg, rgba(212,165,58,.22) 0%, rgba(246,223,160,.07) 28%, rgba(26,24,50,.94) 55%, rgba(12,12,24,.98) 100%);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}

/* 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: var(--shadow-lg);
    background-image: linear-gradient(155deg, rgba(246,223,160,.24) 0%, rgba(212,165,58,.1) 26%, rgba(26,24,52,.92) 52%, rgba(15,15,26,.97) 100%);
}
.card { border-left: 3px solid var(--color-primary); }
header, .header, .navbar {
    box-shadow: 0 1px 0 rgba(246,223,160,.14), 0 12px 38px -24px rgba(212,165,58,.55);
    background-image: linear-gradient(180deg, rgba(26,24,50,.94) 0%, rgba(15,15,26,.82) 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; }
}