:root{--bg:#f7f8f5;--ink:#304635;--muted:#526057;--green:#496b50;--gold:#c99a3d;--line:#d1dccf}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--muted);font:16px/1.8 Arial,"Microsoft YaHei","PingFang SC","Noto Sans SC",sans-serif;padding-bottom:88px}a:focus,button:focus{outline:3px solid var(--gold);outline-offset:3px}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.top{height:72px;background:#27352c;color:#fff}.top .wrap{height:100%;display:flex;align-items:center;gap:26px}.logo{width:100px;height:38px;object-fit:contain}.nav{display:flex;gap:20px;margin-left:auto}.nav a{text-decoration:none;font-size:14px}.cta{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:7px;background:var(--green);color:#fff;text-decoration:none;font-weight:800}.migration{background:#e2e9df;padding:65px 0}.migration-grid{display:grid;grid-template-columns:.65fr .25fr 1.1fr;gap:30px;align-items:center}.old-device{border:2px solid #94a993;border-radius:22px;padding:30px;text-align:center;background:#f4f7f1}.old-device .outline{height:190px;border:8px solid #496b50;border-radius:26px;margin:auto;max-width:150px}.old-device img{display:block;width:100%;height:118px;object-fit:contain;margin-top:16px}.arrow-choice{text-align:center;color:var(--green)}.arrow-choice b{display:block;font-size:68px;line-height:1;color:var(--gold)}.migration h1{font-size:clamp(38px,5vw,58px);line-height:1.15;color:var(--ink);margin:12px 0}.new-device{background:#fff;border:1px solid var(--line);padding:28px}.new-device img{display:block;width:100%;height:190px;object-fit:contain;margin-top:20px}.prompts{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.prompts span{padding:9px 13px;background:#eef4eb;border-left:3px solid var(--green)}.section{padding:78px 0}.section h2{color:var(--ink);font-size:31px}.long-bands{display:grid;gap:18px}.long-bands article{padding:28px 34px;background:#fff;border-left:7px solid var(--gold)}.selector{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.selector a{padding:26px;background:#edf3ea;color:var(--ink);text-decoration:none;border:1px solid var(--line);font-weight:700}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;border:0;background:#fff;text-align:left;padding:18px;color:var(--ink);font:inherit;font-weight:700;cursor:pointer}.faq-answer{padding:0 18px 18px}.final{background:#202d25;color:#dce8dc;text-align:center;padding:56px 0}.final h2{color:#fff}.footer{background:#202d25;color:#c9d9c9;padding:34px 0}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.footer a{display:block;color:#c9d9c9;text-decoration:none;margin:5px 0}.notice{margin-top:28px;font-size:14px}.mobilebar{display:none}@media(max-width:760px){.wrap{width:calc(100% - 28px)}.nav{display:none}.top .wrap{justify-content:space-between}.migration{padding:44px 0}.migration-grid{grid-template-columns:1fr}.arrow-choice{order:2}.new-device{order:1}.old-device{order:3}.migration h1{font-size:40px}.selector,.footer-grid{grid-template-columns:1fr}.section{padding:54px 0}.mobilebar{display:block;position:fixed;z-index:10;bottom:0;left:0;right:0;background:#27352c;padding:9px 14px;height:62px}.mobilebar .cta{width:100%}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}