:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #9d5a3e;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 196,123,90;
    --rgb-accent: 135,168,120;
    --radius-sm: 2px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 6px rgba(45,45,45,0.06), 0 1px 0 rgba(255,255,255,0.65) inset;
    --shadow-md: 0 4px 10px rgba(45,45,45,0.08), 0 18px 40px -18px rgba(45,45,45,0.18);
    --shadow-lg: 0 10px 22px rgba(45,45,45,0.10), 0 34px 70px -30px rgba(45,45,45,0.22);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.42s cubic-bezier(.2,.8,.2,1);
    --heading-weight: 700;
    --body-line-height: 1.6;

    --ring-color: rgba(135,168,120,0.35);
    --outline-color: rgba(45,45,45,0.18);
    --card-border: rgba(45,45,45,0.10);
    --btn-bg: rgba(135,168,120,0.12);
    --btn-fg: #2d2d2d;
}

/* 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(255,255,255,0.55); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] {
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 8px rgba(0,0,0,0.05), 0 20px 40px -10px rgba(0,0,0,0.12);
    padding: var(--space-card);
    transition: var(--transition);
    background:
        radial-gradient(1200px 260px at 20% 0%, rgba(255,255,255,0.85), rgba(255,255,255,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,0.68), rgba(255,255,255,0.35));
    outline: 1px solid rgba(45,45,45,0.06);
    outline-offset: -1px;
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    outline: 2px solid rgba(135,168,120,0.00);
    outline-offset: 2px;
    background: var(--btn-bg);
    color: var(--btn-fg);
}
a:not([class]) {
    color: var(--color-primary-dark);
    transition: var(--transition);
    text-shadow: 0 1px 0 rgba(255,255,255,0.35);
    caret-color: var(--color-accent);
    accent-color: var(--color-accent);
}

/* ========== 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: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

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

/* cta: full-bg */
.cta-section {
    background: linear-gradient(135deg, rgba(196,123,90,0.98) 0%, rgba(157,90,62,0.98) 55%, rgba(135,168,120,0.60) 130%);
    color: #faf8f3;
    padding: 4rem 2rem;
    box-shadow: 0 18px 50px -22px rgba(0,0,0,0.35);
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
}

/* 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: 0 8px 18px rgba(0,0,0,0.08), 0 30px 70px -30px rgba(0,0,0,0.22), 0 1px 0 rgba(255,255,255,0.65) inset;
    outline-color: rgba(135,168,120,0.35);
}
a:not([class]):hover {
    color: var(--color-accent);
    text-shadow: 0 2px 10px rgba(135,168,120,0.28);
}
.hero, [class*="hero"], section:first-of-type {
    background:
        radial-gradient(900px 260px at 15% 0%, rgba(255,255,255,0.70) 0%, rgba(255,255,255,0) 55%),
        linear-gradient(135deg, rgba(196,123,90,0.96) 0%, rgba(157,90,62,0.96) 55%, rgba(135,168,120,0.55) 120%);
    color: #faf8f3;
    filter: saturate(1.02) contrast(1.02);
}
.card { border-style: solid; border-color: rgba(45,45,45,0.10); border-width: 1px; }
header, .header, .navbar {
    background: transparent;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* 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: 0.35s cubic-bezier(.2,.8,.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; }
}