:root {
    --color-primary: #6b705c;
    --color-primary-dark: #4f5443;
    --color-accent: #c44536;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 107,112,92;
    --rgb-accent: 196,69,54;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-sm: 0 1px 0 rgba(0,0,0,.06);
    --shadow-md: 0 10px 24px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
    --shadow-lg: 0 18px 44px rgba(0,0,0,.14), 0 6px 16px rgba(0,0,0,.08);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 220ms cubic-bezier(.2,.9,.2,1);
    --heading-weight: 600;
    --body-line-height: 1.65;
    --glow-1: 0 0 22px rgba(196,69,54,.32);
    --glow-2: 0 0 34px rgba(196,69,54,.52);
    --glow-ring: 0 0 0 1px rgba(196,69,54,.22);
    --outline-accent: rgba(196,69,54,.65);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 0 rgba(255,255,255,.25); }
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-ring); padding: var(--space-card); transition: var(--transition); background: rgba(245,241,232,.88); border: 1px solid rgba(0,0,0,.10); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 8px 18px rgba(0,0,0,.10); border: 1px solid rgba(0,0,0,.10); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: none; }

.card:focus-visible,
.btn:focus-visible,
button[class*="btn"]:focus-visible,
a[class*="btn"]:focus-visible { outline: 2px solid var(--outline-accent); 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: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* 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: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* 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: 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; text-shadow: 0 2px 0 rgba(255,255,255,.35), 0 10px 26px rgba(0,0,0,.12); }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 18px rgba(196,69,54,.35); }
.hero, [class*="hero"], section:first-of-type {
    background:
      radial-gradient(1200px 600px at 15% 20%, rgba(196,69,54,.20) 0%, rgba(196,69,54,0) 55%),
      radial-gradient(900px 500px at 85% 10%, rgba(107,112,92,.30) 0%, rgba(107,112,92,0) 55%),
      linear-gradient(135deg, #6b705c 0%, #4f5443 55%, #c44536 120%);
}
.card { border: 1px solid rgba(26,26,26,.12); box-shadow: var(--shadow-md), 0 0 0 1px rgba(196,69,54,.14); }
header, .header, .navbar { background: transparent; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }

/* Subtle glow hover / focus */
.card:hover {
    box-shadow: var(--shadow-lg), var(--glow-1);
    border-color: rgba(196,69,54,.28);
    filter: saturate(1.03);
}
.btn:hover,
button[class*="btn"]:hover,
a[class*="btn"]:hover {
    border-color: rgba(196,69,54,.35);
    box-shadow: 0 14px 34px rgba(0,0,0,.14), var(--glow-1);
}
@media (prefers-reduced-motion: no-preference) {
    .card:hover { animation: glowPulse 1.35s cubic-bezier(.2,.9,.2,1) both; }
    .btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { animation: glowPulse 1.15s cubic-bezier(.2,.9,.2,1) both; }
    @keyframes glowPulse {
        0% { transform: translateY(0); box-shadow: var(--shadow-lg), var(--glow-1); }
        55% { transform: translateY(-1px); box-shadow: var(--shadow-lg), var(--glow-2); }
        100% { transform: translateY(0); box-shadow: var(--shadow-lg), var(--glow-1); }
    }
}

/* 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: 200ms cubic-bezier(.2,.85,.2,1); --radius-lg: 16px; --radius-md: 13px; }
    .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; }
}