:root {
    --color-primary: #0f3d3a;
    --color-primary-dark: #082a28;
    --color-accent: #3ddc97;
    --color-surface: #fbf4e6;
    --color-text: #0d2f2b;
    --rgb-primary: 15,61,58;
    --rgb-accent: 61,220,151;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 1px 0 rgba(0,0,0,.06), 0 10px 24px rgba(5, 71, 66, .12);
    --shadow-md: 0 2px 0 rgba(0,0,0,.05), 0 14px 34px rgba(0,0,0,.16), 0 1px 1px rgba(255,255,255,.35) inset;
    --shadow-lg: 0 4px 0 rgba(0,0,0,.06), 0 28px 70px rgba(0,0,0,.22), 0 0 0 1px rgba(255,255,255,.12) inset, 0 10px 30px rgba(61,220,151,.12);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.55s cubic-bezier(.2,.9,.15,1);
    --heading-weight: 650;
    --body-line-height: 1.7;
    --color-cream: #fff7e7;
    --color-deep: #071a19;
    --color-edge: rgba(0,0,0,.08);
    --color-glow: rgba(61,220,151,.35);
}

body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, rgba(255,255,255,.9) 0%, rgba(251,244,230,.75) 55%, rgba(251,244,230,.92) 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 0 rgba(255,255,255,.55); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background-image:
    linear-gradient(180deg, rgba(255,255,255,.65) 0%, rgba(255,247,231,.65) 45%, rgba(255,255,255,.55) 100%); }

.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow:
        0 1px 0 rgba(255,255,255,.55),
        0 18px 40px rgba(0,0,0,.18),
        0 0 0 1px rgba(12, 60, 56, .10) inset,
        0 0 26px rgba(61,220,151,.12);
    transition: var(--transition);
    background:
        radial-gradient(120% 120% at 10% 0%, rgba(61,220,151,.22) 0%, rgba(61,220,151,0) 45%),
        linear-gradient(180deg, rgba(255,255,255,.92) 0%, rgba(255,255,255,.78) 100%);
}
.card *, [class*="card"] * { color: inherit; }

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-image:
        linear-gradient(135deg, rgba(61,220,151,.95) 0%, rgba(24,167,103,.92) 45%, rgba(11,108,82,.92) 100%);
    box-shadow:
        0 10px 26px rgba(0,0,0,.18),
        0 0 0 1px rgba(61,220,151,.28) inset,
        0 1px 0 rgba(255,255,255,.35);
    color: #06211f;
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    box-shadow:
        0 18px 46px rgba(0,0,0,.22),
        0 0 0 1px rgba(61,220,151,.42) inset,
        0 0 36px rgba(61,220,151,.22);
    filter: saturate(1.05);
}

a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 1px 0 rgba(255,255,255,.45); }
a:not([class]):hover { color: #0c6b5f; }

.cta-section {
    background:
        linear-gradient(135deg, rgba(15,61,58,1) 0%, rgba(8,42,40,1) 35%, rgba(15,61,58,1) 70%, rgba(2,18,17,1) 100%),
        radial-gradient(120% 140% at 20% 20%, rgba(61,220,151,.42) 0%, rgba(61,220,151,0) 55%),
        radial-gradient(90% 90% at 85% 35%, rgba(134,239,172,.22) 0%, rgba(134,239,172,0) 60%);
    color: #f3fff9;
    padding: 4rem 2rem;
    border-radius: 0;
    box-shadow:
        0 1px 0 rgba(255,255,255,.08),
        0 30px 90px rgba(0,0,0,.25),
        inset 0 0 0 1px rgba(255,255,255,.06);
}

.page-main { max-width: 860px; margin: 0 auto; }

/* ========== 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);
                    border-radius: calc(var(--radius-lg) + 2px);
                    background:
                        linear-gradient(180deg, rgba(255,255,255,.92) 0%, rgba(255,255,255,.74) 100%),
                        radial-gradient(140% 100% at 25% 0%, rgba(61,220,151,.26) 0%, rgba(61,220,151,0) 55%),
                        radial-gradient(120% 120% at 100% 20%, rgba(15,61,58,.18) 0%, rgba(15,61,58,0) 50%);
                    box-shadow:
                        0 1px 0 rgba(255,255,255,.55),
                        0 16px 34px rgba(0,0,0,.16),
                        0 0 0 1px rgba(7, 26, 25, .10) inset,
                        0 0 26px rgba(61,220,151,.10);
                }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }
.feature-list .card {
    border-radius: var(--radius-lg);
    border-style: solid;
    border-color: rgba(12, 60, 56, .10);
    border-width: 0;
    box-shadow:
        0 1px 0 rgba(255,255,255,.6),
        0 20px 46px rgba(0,0,0,.15),
        0 0 0 1px rgba(61,220,151,.16) inset,
        0 0 36px rgba(61,220,151,.08);
    background:
        radial-gradient(120% 120% at 10% 0%, rgba(61,220,151,.22) 0%, rgba(61,220,151,0) 42%),
        linear-gradient(180deg, rgba(255,255,255,.92) 0%, rgba(255,255,255,.78) 100%);
}

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }
.hero-content .card, .hero-content [class*="card"] {
    background:
        linear-gradient(135deg, rgba(255,247,231,.96) 0%, rgba(255,255,255,.82) 45%, rgba(251,244,230,.72) 100%),
        radial-gradient(140% 120% at 0% 0%, rgba(61,220,151,.28) 0%, rgba(61,220,151,0) 55%);
    box-shadow:
        0 1px 0 rgba(255,255,255,.6),
        0 26px 70px rgba(0,0,0,.18),
        0 0 0 1px rgba(13,47,43,.10) inset,
        0 0 42px rgba(61,220,151,.12);
    border-radius: calc(var(--radius-xl) + 2px);
}

/* 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-xl);
                    background:
                        linear-gradient(180deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.80) 100%),
                        radial-gradient(100% 90% at 80% 0%, rgba(61,220,151,.30) 0%, rgba(61,220,151,0) 55%);
                    box-shadow:
                        0 1px 0 rgba(255,255,255,.55),
                        0 18px 46px rgba(0,0,0,.16),
                        0 0 0 1px rgba(61,220,151,.18) inset,
                        0 0 40px rgba(61,220,151,.10);
                    transition-duration: 0.5s;
                }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid .card, .partner-grid [class*="card"]{
    border-radius: var(--radius-lg);
    background:
        linear-gradient(135deg, rgba(255,255,255,.92) 0%, rgba(251,244,230,.78) 50%, rgba(255,255,255,.82) 100%);
    box-shadow:
        0 1px 0 rgba(255,255,255,.55),
        0 16px 40px rgba(0,0,0,.14),
        0 0 0 1px rgba(13,47,43,.10) inset;
}

/* 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: calc(var(--radius-lg) + 4px);
                    background:
                        linear-gradient(180deg, rgba(255,247,231,.94) 0%, rgba(255,255,255,.82) 100%),
                        radial-gradient(120% 120% at 10% 0%, rgba(61,220,151,.26) 0%, rgba(61,220,151,0) 50%);
                    box-shadow:
                        0 1px 0 rgba(255,255,255,.62),
                        0 22px 60px rgba(0,0,0,.18),
                        0 0 0 1px rgba(61,220,151,.18) inset,
                        0 0 34px rgba(61,220,151,.10);
                }

/* 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 18px 40px rgba(0,0,0,.22), 0 1px 0 rgba(255,255,255,.55); }
                .stats-grid .card, .stats-grid [class*="card"]{
                    background:
                        radial-gradient(100% 120% at 40% 0%, rgba(61,220,151,.28) 0%, rgba(61,220,151,0) 60%),
                        linear-gradient(180deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.78) 100%);
                    border-radius: calc(var(--radius-xl) + 1px);
                    box-shadow:
                        0 1px 0 rgba(255,255,255,.62),
                        0 30px 86px rgba(0,0,0,.22),
                        0 0 0 1px rgba(13,47,43,.10) inset,
                        0 0 48px rgba(61,220,151,.12);
                }

/* ========== Alternating horizontal strips (visual only) ========== */
section:nth-of-type(odd),
.section:nth-of-type(odd) {
    background:
        linear-gradient(180deg, rgba(255,255,255,.88) 0%, rgba(255,255,255,.74) 60%, rgba(255,255,255,.86) 100%),
        radial-gradient(120% 90% at 20% 0%, rgba(61,220,151,.14) 0%, rgba(61,220,151,0) 50%);
}
section:nth-of-type(even),
.section:nth-of-type(even) {
    background:
        linear-gradient(180deg, rgba(255,247,231,.95) 0%, rgba(255,255,255,.78) 50%, rgba(255,247,231,.92) 100%),
        radial-gradient(130% 110% at 90% 10%, rgba(15,61,58,.14) 0%, rgba(15,61,58,0) 55%);
}
section:nth-of-type(3n),
.section:nth-of-type(3n) {
    background:
        linear-gradient(135deg, rgba(8,42,40,.98) 0%, rgba(15,61,58,.98) 45%, rgba(8,42,40,.98) 100%),
        radial-gradient(120% 160% at 15% 20%, rgba(61,220,151,.35) 0%, rgba(61,220,151,0) 55%),
        radial-gradient(90% 120% at 90% 30%, rgba(134,239,172,.18) 0%, rgba(134,239,172,0) 60%);
    color: #eafff7;
}
section:nth-of-type(3n) a:not([class]) { color: #7df7bd; }
section:nth-of-type(3n) h1,
section:nth-of-type(3n) h2,
section:nth-of-type(3n) h3,
section:nth-of-type(3n) h4 { text-shadow: 0 18px 45px rgba(0,0,0,.35), 0 1px 0 rgba(255,255,255,.12); }
section:nth-of-type(3n) .card,
section:nth-of-type(3n) [class*="card"]{
    background:
        linear-gradient(180deg, rgba(255,255,255,.12) 0%, rgba(255,255,255,.06) 100%),
        radial-gradient(120% 120% at 15% 0%, rgba(61,220,151,.35) 0%, rgba(61,220,151,0) 55%),
        radial-gradient(120% 120% at 100% 20%, rgba(255,247,231,.10) 0%, rgba(255,247,231,0) 55%);
    box-shadow:
        0 1px 0 rgba(255,255,255,.10),
        0 28px 86px rgba(0,0,0,.35),
        0 0 0 1px rgba(255,255,255,.10) inset,
        0 0 54px rgba(61,220,151,.16);
}

/* 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; --transition: 0.48s cubic-bezier(.2,.85,.15,1); }
    .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; }
}