:root {
    --color-primary: #a78bfa;
    --color-primary-dark: #0b1024;
    --color-accent: #fbbf24;
    --color-surface: #0f1222;
    --color-text: #eef2ff;
    --rgb-primary: 167,139,250;
    --rgb-accent: 251,191,36;

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

    --shadow-sm: 0 8px 22px rgba(7, 9, 20, 0.55);
    --shadow-md: 0 14px 34px rgba(7, 9, 20, 0.62), 0 0 0 1px rgba(167, 139, 250, 0.18) inset;
    --shadow-lg: 0 22px 56px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(251, 191, 36, 0.16) inset;

    --space-section: 5.5rem;
    --space-card: 1.35rem;
    --space-gap: 1.25rem;

    --transition: 240ms cubic-bezier(.2,.9,.2,1);
    --heading-weight: 650;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: radial-gradient(1200px 800px at 50% -10%, rgba(167, 139, 250, 0.22), rgba(15, 18, 34, 0) 55%),
                radial-gradient(900px 600px at 15% 20%, rgba(251, 191, 36, 0.12), rgba(15, 18, 34, 0) 60%),
                linear-gradient(180deg, #0f0f1a 0%, #0b1024 60%, #080a14 100%);
    accent-color: var(--color-accent);
}

h1, h2, h3, h4 { font-weight: var(--heading-weight); }

section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
    background: transparent;
}

.card, [class*="card"] {
    border-radius: var(--radius-xl);
    padding: var(--space-card);
    background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
    box-shadow:
        0 18px 52px rgba(0, 0, 0, 0.52),
        0 0 0 1px rgba(167, 139, 250, 0.22) inset,
        0 0 24px rgba(167, 139, 250, 0.10);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), filter var(--transition), opacity var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    filter: saturate(1.05);
}

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
    box-shadow:
        0 10px 28px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(251, 191, 36, 0.22) inset;
}

a:not([class]) {
    color: rgba(167, 139, 250, 0.95);
    transition: color var(--transition), text-shadow var(--transition), opacity var(--transition);
}

a:not([class]):hover {
    color: var(--color-accent);
    text-shadow: 0 0 18px rgba(251, 191, 36, 0.55), 0 0 40px rgba(251, 191, 36, 0.28);
}

/* ========== 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;
                    border-radius: calc(var(--radius-lg) + 2px);
                    box-shadow:
                        0 22px 60px rgba(0, 0, 0, 0.58),
                        0 0 0 1px rgba(251, 191, 36, 0.12) inset,
                        0 0 30px rgba(167, 139, 250, 0.14);
                    overflow: hidden;
                }

/* 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;
                    border-radius: var(--radius-lg);
                    box-shadow:
                        0 16px 44px rgba(0, 0, 0, 0.45),
                        0 0 0 1px rgba(167, 139, 250, 0.16) inset;
                    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
                }
                .feature-list > *:hover {
                    box-shadow:
                        0 20px 60px rgba(0, 0, 0, 0.58),
                        0 0 0 1px rgba(251, 191, 36, 0.22) inset,
                        0 0 32px rgba(251, 191, 36, 0.30);
                    filter: saturate(1.1);
                }

/* hero: minimal */
.hero { padding: 2rem 0; }
.hero-content { max-width: 560px; }
.hero, [class*="hero"], section:first-of-type {
    background:
        radial-gradient(900px 500px at 50% 0%, rgba(251, 191, 36, 0.18), rgba(251, 191, 36, 0) 58%),
        radial-gradient(760px 420px at 20% 20%, rgba(167, 139, 250, 0.24), rgba(167, 139, 250, 0) 60%),
        linear-gradient(135deg, #0f0f1a 0%, #0b1024 55%, #070913 100%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
    border-radius: 28px;
}

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }
                .testimonial-list > * > .card, .testimonial-list > * .card {
                    animation: glowPulse 3.4s cubic-bezier(.2,.8,.2,1) infinite;
                    box-shadow:
                        0 18px 52px rgba(0, 0, 0, 0.55),
                        0 0 0 1px rgba(167, 139, 250, 0.20) inset,
                        0 0 28px rgba(251, 191, 36, 0.14);
                }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }
.partner-grid .card, .partner-grid [class*="card"] {
    border-radius: var(--radius-md);
    box-shadow:
        0 14px 38px rgba(0, 0, 0, 0.42),
        0 0 0 1px rgba(251, 191, 36, 0.16) inset,
        0 0 22px rgba(167, 139, 250, 0.10);
}

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

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card, .stats-grid [class*="card"] {
    border-radius: var(--radius-md);
    box-shadow:
        0 18px 48px rgba(0,0,0,0.5),
        0 0 0 1px rgba(167, 139, 250, 0.18) inset,
        0 0 24px rgba(251, 191, 36, 0.10);
}

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }
.cta-inner .card, .cta-inner [class*="card"] {
    box-shadow:
        0 24px 66px rgba(0, 0, 0, 0.62),
        0 0 0 1px rgba(251, 191, 36, 0.22) inset,
        0 0 34px rgba(251, 191, 36, 0.18);
    border-radius: 22px;
}

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

/* 条件性装饰 */
.card { border-left: 3px solid rgba(251, 191, 36, 0.95); }

@keyframes glowPulse {
    0% {
        box-shadow:
            0 18px 52px rgba(0, 0, 0, 0.55),
            0 0 0 1px rgba(167, 139, 250, 0.20) inset,
            0 0 18px rgba(251, 191, 36, 0.12);
        opacity: 0.98;
    }
    50% {
        box-shadow:
            0 22px 60px rgba(0, 0, 0, 0.62),
            0 0 0 1px rgba(251, 191, 36, 0.24) inset,
            0 0 30px rgba(251, 191, 36, 0.28);
        opacity: 1;
    }
    100% {
        box-shadow:
            0 18px 52px rgba(0, 0, 0, 0.55),
            0 0 0 1px rgba(167, 139, 250, 0.20) inset,
            0 0 18px rgba(251, 191, 36, 0.12);
        opacity: 0.98;
    }
}

.card:hover, [class*="card"]:hover {
    box-shadow:
        0 26px 76px rgba(0, 0, 0, 0.66),
        0 0 0 1px rgba(251, 191, 36, 0.26) inset,
        0 0 32px rgba(251, 191, 36, 0.30),
        0 0 56px rgba(167, 139, 250, 0.18);
    filter: saturate(1.08);
}

/* 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; }
    :root { --space-section: 4.2rem; --space-gap: 1.1rem; }
}
@media (max-width: 640px) {
    :root { --space-section: 2.4rem; --space-card: 1.05rem; --space-gap: 0.9rem; --radius-xl: 20px; --radius-md: 12px; }
    .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; }
    .card, [class*="card"] { backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
}