:root {
    --color-primary: #0b1220;
    --color-primary-dark: #0a1530;
    --color-accent: #ff4d6d;
    --color-surface: #fff7e6;
    --color-text: #0b1324;
    --rgb-primary: 11,19,36;
    --rgb-accent: 255,77,109;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 22px;
    --shadow-sm: 0 1px 0 rgba(255,255,255,.55), 0 10px 22px rgba(8,15,30,.06);
    --shadow-md: 0 10px 24px rgba(8,15,30,.10), 0 2px 6px rgba(8,15,30,.06);
    --shadow-lg: 0 18px 46px rgba(8,15,30,.16), 0 6px 18px rgba(8,15,30,.10), 0 0 0 1px rgba(255,255,255,.10) inset;
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 420ms cubic-bezier(0.16, 1, 0.3, 1);
    --heading-weight: 600;
    --body-line-height: 1.6;
    --glow: 0 0 24px rgba(var(--rgb-accent), .38);
    --glow-strong: 0 0 32px rgba(var(--rgb-accent), .62);
    --halo: 0 0 40px rgba(var(--rgb-accent), .22);
    --pulse-alpha: .55;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(1200px 500px at 10% 0%, rgba(255,77,109,.08), transparent 55%), radial-gradient(900px 420px at 90% 10%, rgba(255,230,130,.12), transparent 52%), linear-gradient(180deg, #ffffff 0%, #fff8ea 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: var(--shadow-md), var(--glow); padding: var(--space-card); transition: transform 420ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 420ms cubic-bezier(0.16, 1, 0.3, 1), border-color 420ms cubic-bezier(0.16, 1, 0.3, 1), background-color 420ms cubic-bezier(0.16, 1, 0.3, 1); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: #1b2a4a; transition: var(--transition); }
a:not([class]):focus { outline: 2px solid rgba(var(--rgb-accent), .35); outline-offset: 3px; }

/* ========== Section Layout Variants ========== */

/* news: featured-top */
/* 首篇横跨全宽 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
                .news-grid > *:first-child { grid-column: span 3; }

/* features: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
                .hero-content { position: relative; z-index: 1; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); 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: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg), var(--glow-strong), var(--halo); border-color: rgba(var(--rgb-accent), .24); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 18px rgba(var(--rgb-accent), .22); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #ffffff 0%, #fff3db 30%, rgba(255,77,109,.18) 62%, #0a1530 100%); }
.card { border: 1px solid rgba(var(--rgb-accent), .14); background: linear-gradient(180deg, rgba(255,255,255,.78) 0%, rgba(255,247,230,.86) 100%); }
header, .header, .navbar { background: transparent; }

/* Additional horizontal-strips glow accents */
section:nth-of-type(odd) { background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(255,250,239,1) 70%, rgba(255,247,230,.95) 100%); }
section:nth-of-type(even) { background: linear-gradient(180deg, rgba(255,247,230,1) 0%, rgba(255,224,182,.18) 60%, rgba(10,21,48,1) 140%); }
section:nth-of-type(even) .card, section:nth-of-type(even) [class*="card"] { background: linear-gradient(180deg, rgba(10,21,48,.76) 0%, rgba(255,247,230,.10) 100%); border-color: rgba(var(--rgb-accent), .18); box-shadow: 0 18px 46px rgba(0,0,0,.22), 0 6px 18px rgba(0,0,0,.16), 0 0 0 1px rgba(255,255,255,.08) inset, 0 0 24px rgba(var(--rgb-accent), .25); }
section:nth-of-type(even) a:not([class]) { color: rgba(255,247,230,.92); }
section:nth-of-type(even) a:not([class]):hover { color: #ffd1d9; text-shadow: 0 0 18px rgba(var(--rgb-accent), .32); }

/* 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; }
}

/* Subtle pulsing glow on interactive surfaces */
.card:hover, [class*="card"]:hover {
    animation: glowPulse 1.35s ease-in-out infinite;
}
@keyframes glowPulse {
    0% { box-shadow: var(--shadow-lg), 0 0 22px rgba(var(--rgb-accent), .50), 0 0 0 1px rgba(255,255,255,.08) inset; }
    50% { box-shadow: var(--shadow-lg), 0 0 34px rgba(var(--rgb-accent), .70), 0 0 0 1px rgba(255,255,255,.12) inset; }
    100% { box-shadow: var(--shadow-lg), 0 0 22px rgba(var(--rgb-accent), .50), 0 0 0 1px rgba(255,255,255,.08) inset; }
}