:root {
    --color-primary: #7a2e6e;
    --color-primary-dark: #2f1f63;
    --color-accent: #ffb84d;
    --color-surface: #fff6fb;
    --color-text: #26163a;
    --rgb-primary: 122,46,110;
    --rgb-accent: 255,184,77;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --shadow-sm: 0 4px 10px rgba(47,31,99,.10), 0 1px 0 rgba(255,255,255,.65) inset, 0 10px 24px rgba(122,46,110,.08);
    --shadow-md: 0 12px 28px rgba(47,31,99,.14), 0 3px 10px rgba(255,184,77,.12), 0 1px 0 rgba(255,255,255,.72) inset;
    --shadow-lg: 0 20px 44px rgba(47,31,99,.18), 0 8px 20px rgba(122,46,110,.16), 0 1px 0 rgba(255,255,255,.78) inset;
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #fff8fc 0%, #fff3e8 52%, #f7f1ff 100%); caret-color: var(--color-primary); accent-color: var(--color-accent); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #31184b; text-shadow: 0 1px 0 rgba(255,255,255,.75), 0 10px 18px rgba(122,46,110,.08); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(145deg, rgba(255,255,255,.9), rgba(255,244,250,.92)); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(155deg, rgba(255,255,255,.96) 0%, rgba(255,244,250,.92) 100%); border-color: rgba(122,46,110,.22); border-style: solid; backdrop-filter: blur(10px) saturate(1.08); filter: saturate(1.02); }
.card:hover, [class*="card"]:hover { box-shadow: var(--shadow-lg); filter: saturate(1.08) brightness(1.02); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #7a2e6e 0%, #b24aa0 58%, #ffb84d 100%); color: #fffaf5; border-color: rgba(47,31,99,.28); border-style: solid; box-shadow: 0 10px 24px rgba(122,46,110,.22), 0 2px 0 rgba(255,255,255,.3) inset; text-shadow: 0 1px 1px rgba(47,31,99,.26); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 16px 34px rgba(122,46,110,.28), 0 3px 0 rgba(255,255,255,.34) inset; filter: brightness(1.04) saturate(1.08); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(255,184,77,.65); text-shadow: 0 1px 0 rgba(255,255,255,.65); }

/* ========== 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: 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; box-shadow: inset 0 -60px 120px rgba(47,31,99,.24), inset 0 1px 0 rgba(255,255,255,.16); filter: saturate(1.06) contrast(1.03); }
                .hero-content { position: relative; z-index: 1; background: linear-gradient(145deg, rgba(255,250,245,.14), rgba(255,255,255,.06)); border-color: rgba(255,184,77,.24); border-style: solid; border-radius: var(--radius-xl); box-shadow: 0 22px 46px rgba(47,31,99,.20), 0 1px 0 rgba(255,255,255,.18) inset; backdrop-filter: blur(12px) saturate(1.12); }

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

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

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

/* 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-decoration-color: rgba(122,46,110,.7); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #2f1f63 0%, #7a2e6e 48%, #ffb84d 100%); color: #fff8f1; }

/* 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; }
}