:root {
    --color-primary: #7c1f3b;
    --color-primary-dark: #2b0a15;
    --color-accent: #22c55e;
    --color-surface: #0b1220;
    --color-text: #ecf7ff;
    --rgb-primary: 124,31,59;
    --rgb-accent: 34,197,94;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;

    --shadow-sm: 0 0 0 rgba(0,0,0,0);
    --shadow-md:
        0 10px 26px rgba(0, 0, 0, .22),
        0 2px 10px rgba(0, 0, 0, .18);
    --shadow-lg:
        0 18px 48px rgba(0, 0, 0, .30),
        0 6px 18px rgba(0, 0, 0, .20),
        0 0 26px rgba(34, 197, 94, .18);

    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;

    --transition: 520ms cubic-bezier(0.18, 0.9, 0.22, 1);
    --heading-weight: 800;
    --body-line-height: 1.75;

    --shadow-accent: rgba(var(--rgb-accent), .42);
    --shadow-accent-strong: rgba(var(--rgb-accent), .65);
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: radial-gradient(900px 500px at 15% 0%, rgba(34,197,94,.12), transparent 60%),
                radial-gradient(760px 520px at 85% 10%, rgba(124,31,59,.18), transparent 55%),
                linear-gradient(180deg, #05070d 0%, #0b1220 55%, #070a12 100%);
}
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 10px 26px rgba(0, 0, 0, .22),
        0 3px 10px rgba(0, 0, 0, .18),
        0 0 0 1px rgba(255,255,255,.06),
        0 0 18px rgba(var(--rgb-accent), .10);
    padding: var(--space-card);
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition),
        filter var(--transition),
        background var(--transition),
        opacity var(--transition);
    background:
        linear-gradient(180deg, rgba(255,255,255,.04) 0%, rgba(255,255,255,.02) 100%);
    border-color: transparent;
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        background var(--transition),
        color var(--transition),
        border-color var(--transition),
        filter var(--transition);
}
a:not([class]) {
    color: #b55b7a;
    transition: var(--transition);
    text-shadow: 0 0 0 rgba(0,0,0,0);
}

/* ========== 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);
                    box-shadow:
                        0 12px 30px rgba(0,0,0,.26),
                        0 2px 12px rgba(0,0,0,.18),
                        0 0 0 1px rgba(255,255,255,.06);
                }

/* features: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.feature-list .card {
    border-radius: 16px;
    box-shadow:
        0 10px 26px rgba(0,0,0,.20),
        0 3px 12px rgba(0,0,0,.16),
        0 0 0 1px rgba(255,255,255,.07),
        0 0 22px rgba(var(--rgb-accent), .14);
}

/* hero: minimal */
.hero { padding: 2rem 0; }
.hero-content { max-width: 560px; }
.hero .card, .hero [class*="card"] {
    border-radius: var(--radius-xl);
    box-shadow:
        0 20px 52px rgba(0,0,0,.32),
        0 8px 22px rgba(0,0,0,.20),
        0 0 0 1px rgba(255,255,255,.07),
        0 0 32px rgba(var(--rgb-accent), .18);
}

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.testimonial-list .card {
    box-shadow:
        0 12px 34px rgba(0,0,0,.24),
        0 2px 10px rgba(0,0,0,.18),
        0 0 0 1px rgba(255,255,255,.06);
    background:
        linear-gradient(180deg, rgba(255,255,255,.03) 0%, rgba(255,255,255,.015) 100%);
}

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid .card {
    box-shadow:
        0 10px 24px rgba(0,0,0,.18),
        0 1px 10px rgba(0,0,0,.14),
        0 0 0 1px rgba(255,255,255,.06),
        0 0 22px rgba(34,197,94,.10);
}

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.faq-wrapper .card { border-radius: 16px; }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }
.stats-grid .card{
    box-shadow:
        0 14px 38px rgba(0,0,0,.26),
        0 4px 16px rgba(0,0,0,.18),
        0 0 0 1px rgba(255,255,255,.06),
        0 0 18px rgba(var(--rgb-accent), .12);
    border-radius: 14px;
}

/* cta: card-style */
.cta-inner {
    background:
        radial-gradient(700px 300px at 10% 0%, rgba(34,197,94,.25), transparent 60%),
        radial-gradient(520px 240px at 90% 20%, rgba(124,31,59,.25), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.02) 100%);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;

    box-shadow:
        0 22px 60px rgba(0,0,0,.34),
        0 10px 24px rgba(0,0,0,.20),
        0 0 0 1px rgba(255,255,255,.08),
        0 0 44px rgba(var(--rgb-accent), .18);
    animation: glowPulse 4.6s ease-in-out infinite;
}

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

/* 条件性装饰 */
a:not([class]):hover {
    color: #2dd4bf;
    text-shadow:
        0 0 12px rgba(45,212,191,.35),
        0 0 28px rgba(var(--rgb-accent), .25);
}

.hero, [class*="hero"], section:first-of-type {
    background:
        radial-gradient(900px 520px at 20% 0%, rgba(var(--rgb-accent), .30), transparent 58%),
        radial-gradient(820px 520px at 90% 10%, rgba(var(--rgb-primary), .45), transparent 55%),
        linear-gradient(135deg, #7c1f3b 0%, #120513 38%, #0b1220 100%);
}

.card { border: 1px solid rgba(var(--rgb-primary), .14); }

header, .header, .navbar {
    box-shadow:
        0 10px 30px rgba(0,0,0,.28),
        0 2px 10px rgba(0,0,0,.18),
        0 0 0 1px rgba(255,255,255,.06),
        0 0 28px rgba(var(--rgb-accent), .10);
}

/* Glow hover polish (no layout changes) */
.card:hover, [class*="card"]:hover {
    box-shadow:
        0 18px 52px rgba(0,0,0,.34),
        0 8px 22px rgba(0,0,0,.22),
        0 0 0 1px rgba(255,255,255,.08),
        0 0 32px rgba(var(--rgb-accent), .34);
    filter: saturate(1.06);
}
.cta-inner:hover{
    box-shadow:
        0 26px 70px rgba(0,0,0,.42),
        0 12px 26px rgba(0,0,0,.24),
        0 0 0 1px rgba(255,255,255,.10),
        0 0 56px rgba(var(--rgb-accent), .28);
}

/* Subtle pulsing accent */
@keyframes glowPulse {
    0%, 100% {
        box-shadow:
            0 22px 60px rgba(0,0,0,.34),
            0 10px 24px rgba(0,0,0,.20),
            0 0 0 1px rgba(255,255,255,.08),
            0 0 44px rgba(var(--rgb-accent), .18);
        transform: translateY(0);
    }
    50% {
        box-shadow:
            0 24px 64px rgba(0,0,0,.38),
            0 12px 26px rgba(0,0,0,.22),
            0 0 0 1px rgba(255,255,255,.10),
            0 0 62px rgba(var(--rgb-accent), .26);
        transform: translateY(-1px);
    }
}

/* 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; }

    .cta-inner { animation-duration: 4.2s; }
}