*{margin:0;padding:0;box-sizing:border-box}
:root{--pkg-a:#155e75;--pkg-b:#a8a29e;--pkg-bg:#f8f8f7;--pkg-ink:#16191a;--pkg-mute:#6b6f70;--pkg-line:#e3e3e0;--pkg-card:#fff}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--pkg-bg);color:var(--pkg-ink);line-height:1.9;font-size:16px}
a{color:var(--pkg-a);text-decoration:none}a:hover{color:#0e7490}
.pkg-top{height:56px;display:flex;align-items:center;justify-content:space-between;max-width:980px;margin:0 auto;padding:0 24px}
.pkg-logo{font-size:16px;font-weight:800;letter-spacing:2px}.pkg-logo b{color:var(--pkg-a)}
.pkg-menu{display:flex;gap:22px;font-size:15px}.pkg-menu a{color:var(--pkg-mute)}.pkg-menu a.on,.pkg-menu a:hover{color:var(--pkg-a)}
.pkg-zone{border-top:1px solid var(--pkg-line)}
.pkg-zone-head{background:var(--pkg-a);color:#fff}
.pkg-zone-head .pkg-h-in{max-width:980px;margin:0 auto;padding:16px 24px;display:flex;align-items:baseline;gap:16px}
.pkg-zone-head h2{font-size:15px;font-weight:700;letter-spacing:2px}
.pkg-zone-head span{font-size:12.5px;opacity:.75}
.pkg-zone-body{max-width:980px;margin:0 auto;padding:30px 24px 34px}
.pkg-h1{font-size:31px;font-weight:800;line-height:1.4;letter-spacing:-.4px}
.pkg-lead{margin-top:15px;color:var(--pkg-mute);font-size:16px;max-width:680px}
.pkg-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pkg-card{background:var(--pkg-card);border:1px solid var(--pkg-line);border-radius:8px;padding:20px 22px}
.pkg-card h3{font-size:17px;font-weight:700;line-height:1.6;margin-bottom:8px}
.pkg-card p{font-size:14.5px;color:var(--pkg-mute)}
.pkg-card .pkg-d{font-size:12.5px;color:#9a9d9e;margin-top:10px}
.pkg-note-box{background:var(--pkg-card);border-left:3px solid var(--pkg-b);padding:16px 20px;font-size:15px;color:#33383a}
.pkg-bc{font-size:13px;color:var(--pkg-mute);padding:18px 0 0}
.pkg-art{max-width:760px;padding:12px 0 34px}
.pkg-art h1{font-size:27px;font-weight:800;line-height:1.5;margin-bottom:12px}
.pkg-art .pkg-m{font-size:13px;color:#9a9d9e;padding-bottom:18px;border-bottom:1px solid var(--pkg-line);margin-bottom:24px}
.pkg-art h2{font-size:19px;font-weight:700;margin:28px 0 12px;color:#0e7490}
.pkg-art p{margin-bottom:15px;color:#262b2d}
.pkg-art ul{margin:0 0 15px 22px;color:#262b2d}.pkg-art li{margin-bottom:8px}
.pkg-note{background:#eef6f8;border-left:3px solid var(--pkg-a);padding:15px 20px;margin:20px 0;font-size:15px;color:#155e75}
.pkg-foot{border-top:1px solid var(--pkg-line);margin-top:40px;background:var(--pkg-card)}
.pkg-foot-in{max-width:980px;margin:0 auto;padding:22px 24px;font-size:13px;color:var(--pkg-mute);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media(max-width:760px){.pkg-grid{grid-template-columns:1fr}.pkg-h1,.pkg-art h1{font-size:23px}.pkg-zone-head .pkg-h-in{flex-direction:column;gap:4px}}