:root {
    --color-primary: #d946ef;
    --color-primary-dark: #a21caf;
    --color-accent: #22c55e;
    --color-surface: #f7fee7;
    --color-text: #1f130b;

    --rgb-primary: 217,70,239;
    --rgb-accent: 34,197,94;

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 26px;

    --shadow-sm:
        0 2px 6px rgba(12, 10, 8, 0.06),
        0 1px 2px rgba(12, 10, 8, 0.04);

    --shadow-md:
        0 4px 10px rgba(12, 10, 8, 0.06),
        0 10px 30px -12px rgba(12, 10, 8, 0.18),
        0 1px 2px rgba(12, 10, 8, 0.03);

    --shadow-lg:
        0 10px 24px rgba(12, 10, 8, 0.08),
        0 30px 60px -20px rgba(12, 10, 8, 0.22),
        0 2px 6px rgba(12, 10, 8, 0.05);

    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;

    --transition: 0.42s ease;

    --heading-weight: 650;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: #1f130b; line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow:
        0 2px 10px rgba(12, 10, 8, 0.06),
        0 14px 34px -16px rgba(12, 10, 8, 0.20);
    padding: var(--space-card);
    transition: var(--transition);
    background:
        linear-gradient(180deg, rgba(255,255,255,0.86), rgba(255,255,255,0.72));
    border: 1px solid rgba(217, 70, 239, 0.10);
}
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

a:not([class]):hover,
.card:hover, [class*="card"]:hover {
    color: var(--color-primary);
}

/* ========== 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;
                    background:
                        radial-gradient(1200px 420px at 20% 0%, rgba(217, 70, 239, 0.12), transparent 55%),
                        linear-gradient(180deg, rgba(255,255,255,0.88), rgba(255,255,255,0.70));
                    border: 1px solid rgba(217, 70, 239, 0.14);
                    box-shadow:
                        0 3px 12px rgba(12, 10, 8, 0.06),
                        0 22px 50px -26px rgba(12, 10, 8, 0.22);
                }

/* 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; }
                .feature-list .card {
                    border-left-color: rgba(217, 70, 239, 0.95);
                    background:
                        linear-gradient(135deg, rgba(34, 197, 94, 0.10), rgba(217, 70, 239, 0.10)),
                        linear-gradient(180deg, rgba(255,255,255,0.88), rgba(255,255,255,0.72));
                    box-shadow:
                        0 4px 14px rgba(12, 10, 8, 0.06),
                        0 18px 44px -22px rgba(12, 10, 8, 0.20);
                    border-radius: calc(var(--radius-lg) + 2px);
                }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }
.hero-content .card {
    background:
        radial-gradient(900px 300px at 50% 0%, rgba(34, 197, 94, 0.16), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,0.90), rgba(255,255,255,0.70));
    border-color: rgba(34, 197, 94, 0.18);
}

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }
                .testimonial-list .card {
                    background:
                        linear-gradient(180deg, rgba(255,255,255,0.90), rgba(255,255,255,0.70)),
                        radial-gradient(800px 260px at 90% 10%, rgba(217, 70, 239, 0.14), transparent 55%);
                    border-color: rgba(217, 70, 239, 0.12);
                }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
                .partner-grid .card {
                    background:
                        linear-gradient(135deg, rgba(34, 197, 94, 0.12), rgba(255,255,255,0.55)),
                        linear-gradient(180deg, rgba(255,255,255,0.86), rgba(255,255,255,0.68));
                    border-color: rgba(34, 197, 94, 0.16);
                }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list .card {
    border-color: rgba(217, 70, 239, 0.10);
    background:
        radial-gradient(820px 240px at 0% 0%, rgba(217, 70, 239, 0.10), transparent 56%),
        linear-gradient(180deg, rgba(255,255,255,0.88), rgba(255,255,255,0.70));
}

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; }
                .stats-grid .card {
                    background:
                        conic-gradient(from 200deg at 20% 20%, rgba(34, 197, 94, 0.22), rgba(217, 70, 239, 0.18), rgba(255,255,255,0.00) 60%),
                        linear-gradient(180deg, rgba(255,255,255,0.90), rgba(255,255,255,0.68));
                    border-color: rgba(34, 197, 94, 0.14);
                }

/* cta: card-style */
.cta-inner {
    background:
        radial-gradient(900px 320px at 20% 0%, rgba(217, 70, 239, 0.18), transparent 60%),
        radial-gradient(700px 260px at 90% 10%, rgba(34, 197, 94, 0.18), transparent 58%),
        linear-gradient(180deg, rgba(247, 254, 231, 0.98), rgba(247, 254, 231, 0.78));
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    border: 1px solid rgba(217, 70, 239, 0.12);
    box-shadow:
        0 6px 18px rgba(12, 10, 8, 0.06),
        0 34px 80px -40px rgba(12, 10, 8, 0.22);
}

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover {
    transform: translateY(-5px);
    box-shadow:
        0 6px 18px rgba(12, 10, 8, 0.08),
        0 26px 56px -18px rgba(12, 10, 8, 0.26);
    border-color: rgba(217, 70, 239, 0.20);
}
a:not([class]):hover { color: var(--color-accent); }
.card { border-left: 3px solid rgba(217, 70, 239, 0.95); }
header, .header, .navbar {
    box-shadow:
        0 2px 14px rgba(12, 10, 8, 0.08),
        0 10px 30px -14px rgba(12, 10, 8, 0.20);
    border-bottom: 1px solid rgba(217, 70, 239, 0.10);
}

@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; }
}