:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #3b0764;
    --color-accent: #f472b6;
    --color-surface: #fdf4ff;
    --color-text: #2e1065;
    --rgb-primary: 124,58,237;
    --rgb-accent: 244,114,182;
    --radius-sm: 3px;
    --radius-md: 10px;
    --radius-lg: 22px;
    --radius-xl: 34px;
    --shadow-sm: 0 1px 2px rgba(59,7,100,.16), 0 3px 10px rgba(244,114,182,.18);
    --shadow-md: 0 2px 6px rgba(59,7,100,.12), 0 14px 30px rgba(124,58,237,.20);
    --shadow-lg: 0 6px 18px rgba(59,7,100,.16), 0 28px 60px rgba(244,114,182,.26);
    --space-section: 3.25rem;
    --space-card: 1.35rem;
    --space-gap: 1.1rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.65;
}

body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background-color: #fdf7ff;
    background-image:
        radial-gradient(1200px 620px at 8% -12%, rgba(244,114,182,.20), rgba(244,114,182,0) 62%),
        radial-gradient(980px 520px at 102% -4%, rgba(124,58,237,.18), rgba(124,58,237,0) 58%),
        linear-gradient(175deg, #fdf7ff 0%, #f6efff 48%, #fdf1f8 100%);
    background-attachment: fixed;
    caret-color: var(--color-primary);
    accent-color: var(--color-accent);
}
h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    color: var(--color-primary-dark);
    text-shadow: 0 1px 0 rgba(255,255,255,.65), 0 12px 32px rgba(124,58,237,.18);
}
section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
    background-image:
        linear-gradient(180deg, rgba(255,255,255,.88) 0%, rgba(253,244,255,.42) 55%, rgba(255,255,255,0) 100%),
        radial-gradient(70% 90% at 50% 0%, rgba(124,58,237,.09), rgba(124,58,237,0) 72%);
}
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
    background-image:
        linear-gradient(150deg, #ffffff 0%, #fbf4ff 42%, #fdf0f7 100%),
        linear-gradient(320deg, rgba(244,114,182,.12), rgba(124,58,237,.10));
    backdrop-filter: saturate(1.25) blur(4px);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-image: linear-gradient(135deg, #4c1d95 0%, #7c3aed 38%, #c026d3 70%, #f472b6 100%);
    box-shadow: 0 2px 6px rgba(59,7,100,.18), 0 12px 26px rgba(124,58,237,.26);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: var(--color-accent); }

/* ========== 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: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

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

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

/* cta: full-bg */
.cta-section {
    background: linear-gradient(120deg, #240046 0%, #4c1d95 26%, #7c3aed 52%, #c026d3 76%, #f472b6 100%);
    color: #fff;
    padding: 4rem 2rem;
    border-radius: var(--radius-xl);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.30), 0 24px 60px rgba(59,7,100,.34);
    text-shadow: 0 2px 14px rgba(36,0,70,.45);
}

/* 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 0 14px rgba(244,114,182,.45); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #240046 0%, #4c1d95 30%, #7c3aed 58%, #e879f9 82%, #f472b6 100%); }
.card { border: 1px solid rgba(var(--rgb-accent), .38); }
header, .header, .navbar { box-shadow: inset 0 1px 0 rgba(255,255,255,.7), 0 2px 6px rgba(59,7,100,.10), 0 14px 34px rgba(124,58,237,.16); }

/* 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: 2.15rem; --space-card: 1.05rem; --space-gap: 0.8rem; }
    .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; }
}