:root{--accent:#047857;--soft:#d1fae5;--deep:#064e3b;--ink:#1f2937;--muted:#64748b;--paper:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(145deg,var(--soft) 0,#f8fafc 42%,#eef2f7 100%);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.8}
.wrap{max-width:940px;margin:0 auto;padding:32px 16px 64px}
.card{position:relative;overflow:hidden;background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.8);border-radius:18px;padding:34px 38px;box-shadow:0 18px 50px rgba(15,23,42,.10)}
.card:before{content:"";position:absolute;inset:0 0 auto;height:6px;background:linear-gradient(90deg,var(--accent),var(--deep))}
h1{text-align:center;font-size:30px;letter-spacing:.08em;margin:2px 0 18px;color:var(--deep)}
h2{font-size:20px;margin:30px 0 10px;padding:0 0 7px;border-bottom:1px solid color-mix(in srgb,var(--accent) 26%,transparent);color:var(--deep)}
p{margin:8px 0 14px}
.meta{text-align:center;color:var(--muted);font-size:14px;margin:0 auto 26px;max-width:760px}
.nav{display:flex;justify-content:center;gap:10px;margin:0 0 20px}
.nav a{display:inline-block;padding:7px 18px;border:1px solid color-mix(in srgb,var(--accent) 35%,#fff);border-radius:999px;color:var(--accent);background:#fff;text-decoration:none;font-weight:600;transition:.18s ease}
.nav a:hover,.nav a:focus-visible,.nav a.active{color:#fff;background:var(--accent);outline:none;transform:translateY(-1px)}
.lead,.notice{background:var(--soft);border:1px solid color-mix(in srgb,var(--accent) 25%,#fff);border-left:5px solid var(--accent);border-radius:12px;padding:15px 18px}
.mail{color:var(--accent);font-weight:700;text-underline-offset:3px;overflow-wrap:anywhere}
.footer{margin-top:34px;padding-top:20px;border-top:1px solid #e5e7eb;color:var(--muted);font-size:14px;text-align:center}
@media(max-width:640px){.wrap{padding:14px 10px 38px}.card{padding:26px 18px;border-radius:14px}h1{font-size:26px}h2{font-size:19px}.meta{font-size:13px}.nav a{padding:6px 14px}}