:root{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#07384d;background:#edf6f8}
*{box-sizing:border-box}
body{margin:0;min-height:100vh}
button,textarea{font:inherit}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:20px max(28px,calc((100vw - 1200px)/2));border-bottom:1px solid #d5e7eb;background:#fff;color:#4c6a78;font-size:14px}
.topbar a{color:#07384d;font-size:20px;font-weight:800;text-decoration:none}
main{max-width:1200px;margin:auto;padding:56px 28px 70px}
.intro{max-width:710px;margin-bottom:34px}
.eyebrow,.step{color:#007d79;font-size:14px;font-weight:700;letter-spacing:.04em}
h1{margin:14px 0 12px;font-size:42px;line-height:1.25;letter-spacing:-.03em}
.intro p{margin:0;color:#526d7a;font-size:17px;line-height:1.7}
.layout{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.selection,.launch{padding:28px;border:1px solid #d4e7eb;border-radius:18px;background:#fff;box-shadow:0 12px 38px #07384d0d}
h2{margin:0 0 10px;font-size:23px}
.selection>p,.launch>p{margin:0 0 22px;color:#5a7480;line-height:1.6}
.role-switch{display:flex;gap:10px;margin-bottom:20px}
.role-switch button{flex:1;padding:12px;border:1px solid #b7d8dd;border-radius:10px;background:#fff;color:#315969;cursor:pointer}
.role-switch button[aria-pressed="true"]{border-color:#13bcb0;background:#e6f9f6;color:#006c68;font-weight:700}
.task-list{display:grid;gap:10px}
.task-list button{display:block;width:100%;padding:17px 18px;border:1px solid #d4e7eb;border-radius:12px;background:#f9fcfd;text-align:left;color:#07384d;cursor:pointer}
.task-list button[aria-pressed="true"]{border-color:#13bcb0;background:#eefbf9;box-shadow:inset 4px 0 #13bcb0}
.task-list strong,.task-list span{display:block}
.task-list strong{font-size:16px}
.task-list span{margin-top:5px;color:#607985;font-size:14px;line-height:1.5}
.launch label{display:block;margin:0 0 9px;font-weight:700}
textarea{display:block;width:100%;min-height:200px;padding:14px;border:1px solid #bed8de;border-radius:10px;resize:vertical;color:#153f50;line-height:1.65;background:#fbfdfd}
textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid #13bcb0;outline-offset:2px}
.launch-actions{display:flex;gap:10px;margin-top:16px}
.launch-actions button,.launch-actions a{flex:1;display:flex;align-items:center;justify-content:center;min-height:46px;padding:10px 14px;border-radius:9px;text-align:center;text-decoration:none;font-weight:700;cursor:pointer}
.launch-actions button{border:1px solid #97c5ca;background:#fff;color:#0a5965}
.launch-actions a{background:#0fc4b6;color:#07384d}
.copy-status{min-height:22px;margin:9px 0 0!important;color:#007d79!important;font-size:14px}
.launch-note{margin-top:20px;padding:16px;border-radius:10px;background:#edf6f8;color:#466977;font-size:14px;line-height:1.6}
.launch-note strong{color:#174558}
.launch-note p{margin:5px 0 0}
.back{display:inline-block;margin-top:30px;color:#2a6873;text-decoration:none}
@media(max-width:800px){main{padding:36px 20px 56px}.layout{grid-template-columns:1fr}h1{font-size:32px}.selection,.launch{padding:22px}}
@media(max-width:480px){.topbar{padding:17px 20px}.topbar a{font-size:17px}.launch-actions{flex-direction:column}}