:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #4c1d95;
    --color-accent: #d97706;
    --color-surface: #faf5ff;
    --color-text: #2e1065;
    --rgb-primary: 109,40,217;
    --rgb-accent: 217,119,6;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-sm: 0 1px 3px rgba(var(--rgb-primary),.10), 0 2px 10px rgba(var(--rgb-primary),.06);
    --shadow-md: 0 6px 18px rgba(var(--rgb-primary),.12), 0 18px 36px rgba(var(--rgb-primary),.08);
    --shadow-lg: 0 12px 32px rgba(var(--rgb-primary),.16), 0 28px 56px rgba(var(--rgb-accent),.10);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
    --gradient-primary: linear-gradient(135deg, #6d28d9 0%, #8b5cf6 45%, #d97706 100%);
    --gradient-surface: linear-gradient(160deg, #faf5ff 0%, #f3e8ff 55%, #fffbeb 100%);
}

body { color: var(--color-text); line-height: var(--body-line-height); background: var(--gradient-surface); accent-color: var(--color-primary); caret-color: var(--color-primary); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-primary-dark); text-shadow: 0 2px 4px rgba(var(--rgb-primary),.10); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background-image: radial-gradient(120% 80% at 50% 0%, rgba(var(--rgb-primary),.05) 0%, transparent 70%); }
.card, [class*="card"] { border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(255,255,255,.92) 0%, rgba(250,245,255,.88) 55%, rgba(243,232,255,.85) 100%); box-shadow: var(--shadow-md), inset 0 0 0 1px rgba(var(--rgb-primary),.08); padding: var(--space-card); transition: var(--transition); backdrop-filter: blur(12px); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); background: var(--gradient-primary); color: #fff; box-shadow: 0 4px 14px rgba(var(--rgb-primary),.25), 0 8px 28px rgba(var(--rgb-accent),.18); transition: var(--transition); outline-color: var(--color-primary); }
a:not([class]) { color: var(--color-primary); text-shadow: 0 1px 2px rgba(var(--rgb-primary),.15); transition: var(--transition); }

/* ========== 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: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

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

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

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

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

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 2px 8px rgba(var(--rgb-accent),.35); }
.card { border-left: 3px solid var(--color-accent); }
header, .header, .navbar { background: linear-gradient(180deg, rgba(var(--rgb-primary),.08) 0%, rgba(var(--rgb-primary),.02) 60%, transparent 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; }
}