:root {
    --color-primary: #0b5b4a;
    --color-primary-dark: #083f33;
    --color-accent: #f97316;
    --color-surface: #fbf3db;
    --color-text: #0b1b14;
    --rgb-primary: 11,91,74;
    --rgb-accent: 249,115,22;
    --radius-sm: 0px;
    --radius-md: 2px;
    --radius-lg: 3px;
    --radius-xl: 4px;
    --shadow-sm: 4px 4px 0px rgba(11, 91, 74, 0.95);
    --shadow-md: 4px 4px 0px rgba(8, 63, 51, 0.95);
    --shadow-lg: 6px 6px 0px rgba(249, 115, 22, 0.9);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.15s cubic-bezier(0.2, 0.9, 0.2, 1);
    --heading-weight: 850;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #ffffff 0%, #fff7e6 45%, var(--color-surface) 100%);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

/* horizontal-strips: alternating strong zones */
section:nth-of-type(odd),
.section:nth-of-type(odd) {
    background-image: linear-gradient(180deg, #ffffff 0%, #ffffff 100%);
}
section:nth-of-type(even),
.section:nth-of-type(even) {
    background-image: linear-gradient(180deg, #fbf3db 0%, #fbf3db 100%);
}
body > section:nth-of-type(3n),
body > .section:nth-of-type(3n) {
    background-image: linear-gradient(180deg, #0a1b14 0%, #0a1b14 100%);
}
body > section:nth-of-type(3n) *,
body > .section:nth-of-type(3n) * {
    color: inherit;
}

.card, [class*="card"] {
    border-radius: var(--radius-xl);
    box-shadow:
        4px 4px 0px rgba(8, 63, 51, 0.95),
        0px 10px 24px rgba(8, 63, 51, 0.18),
        inset 0 0 0 2px rgba(11, 91, 74, 0.12);
    padding: var(--space-card);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background-color var(--transition);
    background:
        linear-gradient(180deg, rgba(255,255,255,0.88) 0%, rgba(255,255,255,0.75) 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), border-color var(--transition), color var(--transition);
}

a:not([class]) {
    color: var(--color-primary);
    transition: color var(--transition);
}

a:not([class]):hover {
    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;
                    border-radius: var(--radius-lg);
                    box-shadow:
                        4px 4px 0px rgba(11, 91, 74, 0.96),
                        0px 14px 30px rgba(11, 91, 74, 0.14),
                        inset 0 0 0 3px rgba(255, 255, 255, 0.35);
                    border: 2px solid rgba(11, 91, 74, 0.18);
                    background:
                        linear-gradient(135deg, rgba(251,243,219,0.55) 0%, rgba(255,255,255,0.9) 55%, rgba(251,243,219,0.35) 100%);
                }

/* features: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.feature-list .card, .feature-list [class*="card"] {
    border-radius: var(--radius-lg);
    border: 2px solid rgba(11, 91, 74, 0.2);
    box-shadow:
        4px 4px 0px rgba(8, 63, 51, 0.95),
        0px 10px 20px rgba(8, 63, 51, 0.16),
        inset 0 0 0 2px rgba(249, 115, 22, 0.12);
    background:
        radial-gradient(1200px 240px at 0% 0%, rgba(249, 115, 22, 0.14) 0%, rgba(249, 115, 22, 0) 55%),
        linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.72) 100%);
}

/* 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; }

                .hero::before {
                    content: "";
                    position: absolute;
                    inset: 0;
                    z-index: 0;
                    background:
                        linear-gradient(120deg, rgba(11, 91, 74, 0.92) 0%, rgba(8, 63, 51, 0.92) 45%, rgba(249, 115, 22, 0.85) 100%);
                    filter: saturate(1.05) contrast(1.05);
                }
                .hero::after {
                    content: "";
                    position: absolute;
                    inset: 0;
                    z-index: 0;
                    background:
                        linear-gradient(90deg, rgba(255,255,255,0.06) 0 20%, transparent 20% 40%, rgba(255,255,255,0.06) 40% 60%, transparent 60% 80%, rgba(255,255,255,0.06) 80% 100%);
                    mix-blend-mode: overlay;
                    opacity: 0.55;
                }
                .hero > * { position: relative; z-index: 1; }

                .hero-content .card, .hero-content [class*="card"] {
                    background:
                        linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(251,243,219,0.78) 100%);
                    border-radius: var(--radius-xl);
                    box-shadow:
                        4px 4px 0px rgba(249, 115, 22, 0.95),
                        0px 16px 36px rgba(0,0,0,0.28),
                        inset 0 0 0 3px rgba(255,255,255,0.25);
                }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }
                .testimonial-list .card, .testimonial-list [class*="card"] {
                    border-radius: var(--radius-lg);
                    border: 2px solid rgba(249, 115, 22, 0.22);
                    box-shadow:
                        4px 4px 0px rgba(249, 115, 22, 0.92),
                        0px 12px 24px rgba(249, 115, 22, 0.14),
                        inset 0 0 0 2px rgba(11, 91, 74, 0.10);
                    background:
                        linear-gradient(180deg, rgba(255,255,255,0.93) 0%, rgba(255,255,255,0.74) 100%);
                }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }
.partner-grid .card, .partner-grid [class*="card"] {
    border-radius: var(--radius-sm);
    border: 2px solid rgba(11, 91, 74, 0.2);
    box-shadow:
        4px 4px 0px rgba(11, 91, 74, 0.92),
        0px 10px 18px rgba(11, 91, 74, 0.12),
        inset 0 0 0 2px rgba(255,255,255,0.35);
    background:
        linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(251,243,219,0.74) 100%);
}

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
                .faq-wrapper .card, .faq-wrapper [class*="card"] {
                    border-radius: var(--radius-xl);
                    border: 2px solid rgba(11, 91, 74, 0.22);
                    box-shadow:
                        4px 4px 0px rgba(8, 63, 51, 0.95),
                        0px 12px 26px rgba(8, 63, 51, 0.16),
                        inset 0 0 0 3px rgba(249, 115, 22, 0.10);
                    background:
                        radial-gradient(900px 220px at 100% 0%, rgba(249, 115, 22, 0.16) 0%, rgba(249, 115, 22, 0) 52%),
                        linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.70) 100%);
                }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }
                .stats-grid .card, .stats-grid [class*="card"] {
                    border-radius: var(--radius-md);
                    border: 2px solid rgba(11, 91, 74, 0.22);
                    box-shadow:
                        4px 4px 0px rgba(11, 91, 74, 0.92),
                        0px 10px 20px rgba(0,0,0,0.10),
                        inset 0 0 0 2px rgba(255,255,255,0.25);
                    background: linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(251,243,219,0.72) 100%);
                }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }
.cta-inner .card, .cta-inner [class*="card"] {
    border-radius: var(--radius-xl);
    border: 2px solid rgba(249, 115, 22, 0.25);
    box-shadow:
        4px 4px 0px rgba(249, 115, 22, 0.92),
        0px 18px 40px rgba(0,0,0,0.22),
        inset 0 0 0 3px rgba(11, 91, 74, 0.10);
    background:
        linear-gradient(135deg, rgba(249, 115, 22, 0.16) 0%, rgba(255,255,255,0.92) 55%, rgba(11, 91, 74, 0.08) 100%);
}

/* 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:
        6px 6px 0px rgba(249, 115, 22, 0.94),
        0px 18px 40px rgba(0,0,0,0.20),
        inset 0 0 0 3px rgba(255,255,255,0.22);
}
a:not([class]):hover { color: var(--color-accent); }
.card { border-left: 3px solid var(--color-primary); }

/* keep header transparent but sharpen contrast */
header, .header, .navbar {
    background: transparent;
    border-bottom: 2px solid rgba(11, 91, 74, 0.18);
}

/* 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; }
}