:root{--ink:#1f2a44;--muted:#5b6b84;--blue:#0f766e;--deep:#115e59;--sky:#ecfdf5;--line:#d5eae5;--cream:#fff9ed;--orange:#f08c00}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f5faf8;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}a{color:var(--blue)}img{max-width:100%}
.hero{background:linear-gradient(135deg,#115e59 0%,#0f766e 55%,#1a7d70 100%);color:#fff}.hero-inner{max-width:1080px;margin:auto;padding:58px 22px 50px}.eyebrow{margin:0 0 10px;font-size:13px;letter-spacing:.12em;font-weight:700;opacity:.85}h1{margin:0;font-size:clamp(28px,4.5vw,46px);line-height:1.2}.lead{max-width:800px;margin:16px 0 0;font-size:17px;color:rgba(255,255,255,.92)}
.wrap{max-width:1080px;margin:auto;padding:30px 22px 60px}.notice{margin:0 0 24px;padding:13px 16px;border:1px solid #f1d69e;border-radius:12px;color:#745417;background:var(--cream);font-size:14px}
.section{margin:44px 0}.section-head{max-width:800px;margin-bottom:18px}.kicker{color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em}h2{margin:4px 0 6px;font-size:clamp(22px,3vw,32px);line-height:1.3}h3{margin:0 0 8px;font-size:19px}p{margin:8px 0}.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(17,94,89,.05);text-decoration:none;color:inherit;display:block}.card:hover{border-color:var(--blue)}.tag{display:inline-block;margin-bottom:8px;padding:3px 9px;border-radius:999px;background:var(--sky);color:var(--deep);font-size:12px;font-weight:700}
.steps{counter-reset:st;display:grid;gap:12px;padding:0;list-style:none}.steps li{position:relative;min-height:50px;padding:13px 16px 13px 58px;border:1px solid var(--line);border-radius:13px;background:#fff}.steps li:before{counter-increment:st;content:counter(st);position:absolute;left:15px;top:12px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;color:#fff;background:var(--blue);font-weight:800}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff}table{width:100%;border-collapse:collapse;min-width:640px}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:var(--deep);background:var(--sky);font-size:13px}tr:last-child td{border-bottom:0}
.callout{padding:18px;border-left:5px solid var(--orange);border-radius:8px 14px 14px 8px;background:var(--cream)}.route{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0}.route span{padding:6px 10px;border-radius:9px;background:var(--sky);color:var(--deep);font-weight:700}.route b{color:#9aa9bb}
.faq details{margin:9px 0;border:1px solid var(--line);border-radius:12px;background:#fff}.faq summary{padding:13px 16px;font-weight:700;cursor:pointer}.faq details p{padding:0 16px 14px;color:var(--muted)}
.footer{padding:24px 22px 40px;text-align:center;color:var(--muted);border-top:1px solid var(--line);background:#fff}.footer a{margin:0 6px}
@media(max-width:780px){.grid,.grid.two{grid-template-columns:1fr}}