/* ===== CSS Rewrite (Conservative Mode) ===== */
:root {
    --color-primary: #6c5ce7;
    --color-primary-dark: #5a4bd1;
    --color-accent: #00cec9;
    --color-surface: #ffffff;
    --color-text: #2d3436;
    --rgb-primary: 108,92,231;
    --rgb-accent: 0,206,201;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 0 18px rgba(var(--rgb-accent), 0.15), 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 0 26px rgba(var(--rgb-accent), 0.3), 0 6px 18px rgba(0,0,0,0.1);
    --shadow-lg: 0 0 36px rgba(var(--rgb-accent), 0.4), 0 10px 28px rgba(0,0,0,0.12);
    --space-section: 2.2rem;
    --space-card: 1rem;
    --space-gap: 0.85rem;
    --transition: 0.25s ease-out;
    --heading-weight: 600;
    --body-line-height: 1.6;
}

body {
    color: var(--color-text);
    line-height: var(--body-line-height);
}

h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    text-shadow: 0 0 10px rgba(var(--rgb-accent), 0.35);
}

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: rgba(255,255,255,0.75);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(var(--rgb-primary), 0.12);
    animation: pulse 2s ease-in-out infinite alternate;
    will-change: box-shadow;
}

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(var(--rgb-primary), 0.3);
}

a:not([class]) {
    color: var(--color-accent);
    transition: var(--transition);
}

/* news: featured-left */
.news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-gap);
}
.news-grid > *:first-child {
    grid-row: span 2;
}

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

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

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

/* partners: grid-6 */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-gap);
    align-items: center;
}

/* 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: linear-gradient(135deg, rgba(var(--rgb-primary),0.05), rgba(var(--rgb-accent),0.1));
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
}

/* Page Layout: full-width */
.page-main {
    max-width: 1200px;
    margin: 0 auto;
}

/* 条件性装饰 */
.card {
    border: 1px solid rgba(var(--rgb-primary), 0.09);
}

header, .header, .navbar {
    box-shadow: 0 2px 12px rgba(var(--rgb-primary), 0.1);
}

/* 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; }
}

@keyframes pulse {
    0% {
        box-shadow: var(--shadow-md);
    }
    100% {
        box-shadow: 0 0 38px rgba(var(--rgb-accent), 0.65), 0 6px 22px rgba(0,0,0,0.12);
    }
}