:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #a96240;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;

    --rgb-primary: 196,123,90;
    --rgb-accent: 135,168,120;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;

    --shadow-sm: 0 2px 10px rgba(45,45,45,.08);
    --shadow-md:
        0 10px 28px rgba(45,45,45,.10),
        0 2px 6px rgba(45,45,45,.06);
    --shadow-lg:
        0 18px 50px -18px rgba(45,45,45,.30),
        0 22px 70px -32px rgba(196,123,90,.26),
        0 10px 30px -14px rgba(135,168,120,.22),
        0 6px 18px rgba(45,45,45,.10);

    --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: 1.65;
}

body { color: var(--color-text); line-height: var(--body-line-height); }
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 28px rgba(45,45,45,.10),
        0 2px 7px rgba(45,45,45,.06),
        inset 0 1px 0 rgba(255,255,255,.75);
    padding: var(--space-card);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background-color var(--transition);
    border: 1px solid rgba(45,45,45,.08);
    background: linear-gradient(180deg, rgba(250,248,243,1) 0%, rgba(250,248,243,.88) 100%);
}

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition);
    border: 1px solid rgba(45,45,45,.10);
    outline: 0 solid rgba(196,123,90,.0);
}

a:not([class]) {
    color: var(--color-primary);
    transition: color var(--transition), text-shadow var(--transition), opacity var(--transition);
    text-shadow: 0 1px 0 rgba(255,255,255,.65);
}

a:not([class]):hover {
    color: var(--color-accent);
    text-shadow:
        0 2px 10px rgba(135,168,120,.35),
        0 1px 0 rgba(255,255,255,.7);
}

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
                .news-grid > *:first-child { grid-row: span 2; }

/* features: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

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

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: full-bg */
.cta-section {
    background: radial-gradient(1200px 500px at 15% 0%, rgba(135,168,120,.35) 0%, rgba(135,168,120,0) 55%),
                radial-gradient(900px 420px at 85% 20%, rgba(196,123,90,.38) 0%, rgba(196,123,90,0) 58%),
                linear-gradient(180deg, #d58a66 0%, #c47b5a 55%, #a96240 100%);
    color: rgba(255,255,255,.96);
    padding: 4rem 2rem;
    box-shadow:
        0 28px 90px -45px rgba(196,123,90,.55),
        0 18px 60px -40px rgba(0,0,0,.35),
        inset 0 1px 0 rgba(255,255,255,.25);
    border-top: 1px solid rgba(255,255,255,.18);
    border-bottom: 1px solid rgba(0,0,0,.08);
}

.cta-section * {
    text-shadow: 0 10px 30px rgba(0,0,0,.18);
}

/* 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); }

/* 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; }
}