:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #a86240;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 196,123,90;
    --rgb-accent: 135,168,120;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm:
        0 1px 0 rgba(0,0,0,.04),
        0 6px 18px rgba(45,45,45,.08);
    --shadow-md:
        0 2px 0 rgba(0,0,0,.035),
        0 10px 26px rgba(45,45,45,.10),
        0 0 0 1px rgba(196,123,90,.10);
    --shadow-lg:
        0 10px 30px rgba(45,45,45,.14),
        0 20px 60px rgba(135,168,120,.16),
        0 0 0 1px rgba(196,123,90,.14);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 420ms cubic-bezier(0.2, 0.9, 0.2, 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 600px at 50% -10%, rgba(var(--rgb-accent), .14), transparent 55%), var(--color-surface); }
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 1px 0 rgba(0,0,0,.04), 0 12px 36px rgba(45,45,45,.10), 0 0 0 1px rgba(var(--rgb-primary), .12); padding: var(--space-card); transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: background var(--transition), box-shadow var(--transition), color var(--transition), transform var(--transition), border-color var(--transition); }
a:not([class]) { color: var(--color-primary); transition: color var(--transition), text-shadow var(--transition); }
a:not([class]):hover { text-shadow: 0 0 16px rgba(var(--rgb-accent), .35); }

/* ========== 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; }

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

/* hero: split */
/* 左文右图 */
                .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: 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%); } }

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

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }

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

/* 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 2px 0 rgba(0,0,0,.035),
        0 18px 46px rgba(45,45,45,.14),
        0 0 0 1px rgba(var(--rgb-primary), .18),
        0 0 34px rgba(var(--rgb-accent), .38);
    border-color: rgba(var(--rgb-primary), .22);
}
.hero, [class*="hero"], section:first-of-type {
    background:
        radial-gradient(900px 420px at 15% 10%, rgba(var(--rgb-accent), .30), transparent 60%),
        radial-gradient(800px 360px at 80% 0%, rgba(var(--rgb-primary), .26), transparent 55%),
        linear-gradient(135deg, rgba(var(--rgb-primary), .98), rgba(120,53,15,.95));
}
.card { border: 1px solid rgba(var(--rgb-primary), .10); }
header, .header, .navbar { box-shadow: 0 2px 0 rgba(0,0,0,.03), 0 10px 28px rgba(45,45,45,.10), 0 0 26px rgba(var(--rgb-accent), .10); }

/* Subtle pulse glow (non-layout impacting) */
.card:hover::after, [class*="card"]:hover::after {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    pointer-events: none;
    box-shadow: 0 0 0 1px rgba(var(--rgb-accent), .18), 0 0 32px rgba(var(--rgb-accent), .32);
    opacity: .85;
    animation: cardHalo 1.25s ease-in-out infinite;
}
@keyframes cardHalo {
    0%, 100% { opacity: .65; filter: saturate(1.05); transform: translateZ(0); }
    50% { opacity: .95; filter: saturate(1.18) brightness(1.02); }
}

/* 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; --transition: 360ms cubic-bezier(0.2, 0.95, 0.2, 1); }
    .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; }
}