:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #9f5f44;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 196,123,90;
    --rgb-accent: 135,168,120;
    --radius-sm: 0px;
    --radius-md: 2px;
    --radius-lg: 4px;
    --radius-xl: 4px;
    --shadow-sm: 3px 3px 0px rgba(45,45,45,.9), 0 0 0 1px rgba(196,123,90,.18);
    --shadow-md: 4px 4px 0px rgba(45,45,45,.95), 0 0 0 2px rgba(135,168,120,.22);
    --shadow-lg: 6px 6px 0px rgba(45,45,45,.98), 0 0 0 3px rgba(196,123,90,.2);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.15s cubic-bezier(.2,.8,.2,1);
    --heading-weight: 700;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #faf8f3 0%, #f3eee3 100%); caret-color: var(--color-primary); accent-color: var(--color-accent); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #231f1c; text-shadow: 1px 1px 0 rgba(196,123,90,.14); }
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); padding: var(--space-card); transition: var(--transition); background: #fffdf8; border: 2px solid rgba(45,45,45,.85); outline: 1px solid rgba(196,123,90,.25); outline-offset: -1px; }
.card:hover, [class*="card"]:hover { box-shadow: 6px 6px 0px rgba(45,45,45,1), 0 0 0 2px rgba(196,123,90,.28); filter: saturate(1.03); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(180deg, #c47b5a 0%, #b16d4e 100%); color: #faf8f3; border-color: #2d2d2d; border-style: solid; box-shadow: 4px 4px 0px rgba(45,45,45,.92); text-shadow: 1px 1px 0 rgba(45,45,45,.28); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { background: linear-gradient(180deg, #87a878 0%, #739364 100%); box-shadow: 2px 2px 0px rgba(45,45,45,.96); filter: contrast(1.04); }
.btn:focus, button[class*="btn"]:focus, a[class*="btn"]:focus { outline: 2px dashed #87a878; outline-color: #87a878; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(196,123,90,.55); }
a:not([class]):hover { color: var(--color-primary-dark); text-shadow: 1px 1px 0 rgba(135,168,120,.18); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); }
                .news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); background: linear-gradient(180deg, #fffdf8 0%, #f5efe5 100%); border-color: rgba(45,45,45,.9); box-shadow: 4px 4px 0px rgba(45,45,45,.94), 0 0 0 2px rgba(135,168,120,.16); }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: minimal */
.hero { padding: 2rem 0; background: linear-gradient(180deg, rgba(250,248,243,.92) 0%, rgba(243,238,227,.98) 100%); }
.hero-content { max-width: 560px; background: rgba(255,253,248,.78); border: 2px solid rgba(45,45,45,.78); border-radius: var(--radius-xl); box-shadow: 6px 6px 0px rgba(196,123,90,.22); backdrop-filter: blur(6px); }

/* 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; background: linear-gradient(90deg, rgba(250,248,243,0) 0%, rgba(250,248,243,.95) 8%, rgba(250,248,243,.95) 92%, rgba(250,248,243,0) 100%); }
                @keyframes partnerScroll { 0% { transform: translateX(0); filter: grayscale(.08); opacity: .92; } 100% { transform: translateX(-50%); filter: grayscale(.02); opacity: 1; } }

/* 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: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; background: linear-gradient(180deg, #fffdf8 0%, #f1ebdf 100%); border: 3px solid #2d2d2d; border-radius: var(--radius-xl); box-shadow: 6px 6px 0px rgba(135,168,120,.34), 0 0 0 1px rgba(45,45,45,.12); }

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

/* 条件性装饰 */

/* 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; }
}