:root{--p:#022c22;--a:#10b981;--al:#34d399;--t:#e6f7f0;--tl:#6a9e86;--b:#01140e;--ba:#042018;--br:#0a3024;--hg:#01140e;--r:12px;--f:'PingFang SC','Microsoft YaHei',-apple-system,'Segoe UI',Roboto,sans-serif}html{scroll-behavior:smooth}body{font-family:var(--f);color:var(--t);background:var(--b);line-height:1.7;margin:0;overflow-x:hidden}*{box-sizing:border-box}a{text-decoration:none;color:inherit}img{max-width:100%}.c,.container{max-width:1200px;margin:0 auto;padding:0 24px}.s2-sh{text-align:center;font-size:clamp(1.3rem,2.5vw,1.8rem);margin-bottom:40px;font-weight:700;color:var(--t)}.s2-bp{display:inline-flex;align-items:center;padding:10px 24px;background:var(--a);color:var(--b);font-weight:600;font-size:.95rem;border-radius:var(--r);transition:.25s;cursor:pointer;border:none}.s2-bp:hover{background:var(--al);transform:translateY(-2px);box-shadow:0 4px 20px rgba(0,0,0,0.3)}.s2-bs{display:inline-flex;align-items:center;padding:10px 24px;background:transparent;color:var(--a);font-weight:600;font-size:.95rem;border:1px solid var(--a);border-radius:var(--r);transition:.25s}.s2-bs:hover{background:var(--a);color:var(--b)}.ft{background:var(--hg);padding:48px 0 20px;margin-top:60px;border-top:1px solid var(--br)}.ftg{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}.ft .fc h4{color:var(--a);margin:0 0 12px;font-size:.9rem;font-weight:600;letter-spacing:.5px}.ft .fc a{display:block;padding:4px 0;font-size:.85rem;color:var(--tl);transition:.2s;background:transparent}.ft .fc a:hover{color:var(--a)}.ftb{text-align:center;padding-top:20px;margin-top:20px;border-top:1px solid var(--br);font-size:.8rem;color:var(--tl)}.s2-l4-h{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(1,20,14,0.95);border-bottom:2px solid var(--a);height:56px}.s2-l4-hi{display:flex;align-items:center;justify-content:space-between;height:56px}.s2-l4-l{font-size:1rem;font-weight:700;color:var(--a);letter-spacing:1px}.s2-l4-n{display:flex;gap:0}.s2-l4-nl{padding:6px 16px;font-size:.85rem;color:var(--tl);transition:.2s;position:relative}.s2-l4-nl:after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--a);transform:scaleX(0);transition:.25s}.s2-l4-nl:hover:after,.s2-l4-nl.active:after{transform:scaleX(1)}.s2-l4-nl:hover,.s2-l4-nl.active{color:var(--a)}.s2-l4-he{padding:90px 0 60px;background:var(--hg)}.s2-l4-hb{display:flex;gap:40px;align-items:center;flex-wrap:wrap}.s2-l4-htxt{flex:1;min-width:280px}.s2-l4-htl{font-size:clamp(1.5rem,3vw,2.5rem);font-weight:700;margin-bottom:12px;line-height:1.15}.s2-l4-hst{font-size:.95rem;color:var(--tl);margin-bottom:24px;line-height:1.6}.s2-l4-panel{flex:0 0 320px;background:var(--ba);border:1px solid var(--br);border-radius:var(--r);padding:20px}.s2-l4-pr{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--br);font-size:.85rem}.s2-l4-pr:last-child{border-bottom:none}.s2-l4-prn{color:var(--tl)}.s2-l4-prv{font-weight:600;color:var(--a)}.s2-l4-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.s2-l4-ic{background:var(--ba);border:1px solid var(--br);border-radius:var(--r);padding:24px;text-align:center;transition:.3s}.s2-l4-ic:hover{border-color:var(--a)}.s2-l4-ici{width:48px;height:48px;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(16,185,129,0.1);font-size:1.3rem}.s2-l4-ict{font-size:.9rem;font-weight:600;margin-bottom:4px}.s2-l4-icd{font-size:.8rem;color:var(--tl);margin:0}@media(max-width:768px){.s2-l4-n{display:none}.s2-l4-n.open{display:flex;position:fixed;top:56px;left:0;right:0;background:var(--hg);padding:8px;border-bottom:1px solid var(--br);flex-direction:column;gap:0}.s2-l4-hb{flex-direction:column;gap:24px}.s2-l4-panel{flex:1;width:100%}.s2-l4-grid4{grid-template-columns:1fr 1fr;gap:12px}}.s2-ha{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}@media(max-width:480px){.s2-l4-grid4{grid-template-columns:1fr}}