*{box-sizing:border-box}
:root{--brand:#0f6b5c;--ink:#1d2330;--mute:#5b6472;--line:#e3e6ea;--bg:#f7f8fa;--card:#fff}
@media (prefers-color-scheme:dark){:root{--brand:#4fb8a4;--ink:#e8eaed;--mute:#a6adb8;--line:#2c323b;--bg:#121418;--card:#1a1d22}}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;overflow-wrap:anywhere}
a{color:var(--brand)}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
header{background:var(--card);border-bottom:1px solid var(--line)}
header .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;padding-top:12px;padding-bottom:12px}
.logo{font-weight:700;font-size:18px;color:var(--ink);text-decoration:none;margin-right:auto}
nav{display:flex;flex-wrap:wrap;gap:4px 16px}
nav a{color:var(--mute);text-decoration:none}
nav a.on{color:var(--ink);font-weight:600}
.btn{display:inline-block;background:var(--brand);color:#fff;border-radius:8px;padding:7px 16px;text-decoration:none;font-weight:600}
.lang{color:var(--mute);text-decoration:none;font-size:14px}
main{padding:32px 0 48px}
h1{font-size:32px;line-height:1.25;margin:0 0 12px}
h2{font-size:21px;margin:28px 0 8px}
.lead{font-size:18px;color:var(--mute);max-width:760px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;margin-top:24px}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:860px){.g3{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.card h3{margin:0 0 6px;font-size:17px}
.card .price{font-size:22px;font-weight:700;margin:4px 0 10px}
.card p{margin:0;color:var(--mute)}
.card ul{margin:6px 0 0;padding-left:18px;color:var(--mute)}
.card li{margin:3px 0}
.hero{background:linear-gradient(135deg,var(--brand),#0b4f8a);color:#fff;border-radius:16px;padding:44px 32px;margin-bottom:28px}
.hero h1{font-size:40px;margin:0 0 10px;letter-spacing:.5px}
.hero .tag{font-size:22px;font-weight:600;margin:0 0 8px}
.hero .lead{color:rgba(255,255,255,.88);margin:0 0 22px}
.hero .btn{background:#fff;color:#0f6b5c;margin-right:10px}
.hero .btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7)}
.feat{position:relative;padding-top:18px}
.feat .no{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;font-weight:700;font-size:14px;margin-bottom:8px}
.feat h3{font-size:19px;margin:0}
.feat .sub{color:var(--ink);margin:4px 0 10px}
.pts{display:flex;flex-wrap:wrap;gap:6px}
.pt{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:2px 10px;font-size:14px;color:var(--mute)}
@media (max-width:600px){header .btn{display:none}.hero{padding:30px 20px}.hero h1{font-size:30px}.hero .tag{font-size:18px}}
.doc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px 22px 20px;max-width:860px}
.draft{background:#fff4d6;color:#5c4300;border:1px solid #f0d58a;border-radius:8px;padding:10px 14px;margin-bottom:16px}
.meta{color:var(--mute);font-size:14px}
table{border-collapse:collapse;width:100%;margin:8px 0}
th,td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
footer{border-top:1px solid var(--line);color:var(--mute);font-size:14px;padding:20px 0 28px}
footer p{margin:4px 0}
.hzc-btn{position:fixed;right:16px;bottom:16px;z-index:50;background:var(--brand);color:#fff;border:0;border-radius:999px;padding:10px 18px;font:inherit;font-weight:600;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.18)}
.hzc-panel{position:fixed;right:16px;bottom:16px;z-index:51;width:360px;max-width:calc(100vw - 32px);height:540px;max-height:calc(100vh - 32px);display:flex;flex-direction:column;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 30px rgba(0,0,0,.22);overflow:hidden}
.hzc-panel[hidden],.hzc-btn[hidden],.hzc-form[hidden],.hzc-foot[hidden],.hzc-note[hidden]{display:none}
.hzc-head{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--brand);color:#fff;font-weight:600}
.hzc-head span{flex:1}
.hzc-x{background:transparent;border:0;color:#fff;font-size:22px;line-height:1;cursor:pointer;padding:0 4px}
.hzc-log{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:8px}
.hzc-m{max-width:88%;padding:8px 11px;border-radius:12px;white-space:pre-wrap;font-size:15px;line-height:1.5}
.hzc-m.ai{align-self:flex-start;background:var(--bg);border:1px solid var(--line)}
.hzc-m.me{align-self:flex-end;background:var(--brand);color:#fff}
.hzc-tag{display:block;font-size:12px;color:var(--mute);margin-bottom:2px}
.hzc-note{padding:8px 14px;font-size:14px;color:var(--mute);border-top:1px solid var(--line)}
.hzc-foot{display:flex;flex-wrap:wrap;gap:6px;padding:10px 12px;border-top:1px solid var(--line)}
.hzc-foot input{flex:1 1 100%;font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink)}
.hzc-n{flex:1;font-size:12px;color:var(--mute);align-self:center}
.hzc-foot button,.hzc-form button{font:inherit;border-radius:8px;padding:6px 14px;cursor:pointer;border:1px solid var(--brand)}
.hzc-go{background:var(--brand);color:#fff}
.hzc-alt{background:transparent;color:var(--brand)}
.hzc-form{padding:10px 14px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:6px;overflow-y:auto;max-height:70%}
.hzc-form b{font-size:15px}
.hzc-form input[type=text],.hzc-form input[type=tel]{font:inherit;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink)}
.hzc-form .bad{border-color:#d33;outline:1px solid #d33}
.hzc-form label{font-size:13px;color:var(--mute);display:flex;gap:6px;align-items:flex-start}
.hzc-row{display:flex;gap:8px;flex-wrap:wrap}
.hzc-log .hzc-form{flex-shrink:0;max-height:none;overflow:visible;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--card)}
.hzc-saved,.hzc-fine{padding:4px 14px;font-size:12px;color:var(--mute);line-height:1.4}
.hzc-saved{border-bottom:1px solid var(--line)}
.hzc-saved[hidden],.hzc-fine[hidden]{display:none}
.hzc-m.rep{align-self:flex-start;background:var(--card);border:1px solid var(--brand)}
@media (max-width:600px){.hzc-panel{right:0;bottom:0;width:100vw;max-width:100vw;height:100%;max-height:100%;border-radius:0}}
.acct{max-width:520px}
.acct-ways{display:flex;gap:6px;margin:8px 0 14px}
.acct-ways a{padding:5px 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--mute)}
.acct-ways a.on{border-color:var(--brand);color:var(--brand);font-weight:600}
.acct-form{display:flex;flex-direction:column;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.acct-form label{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--mute)}
.acct-form input{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink)}
.acct-form button{font:inherit;cursor:pointer;border-radius:8px;padding:8px 14px;border:1px solid var(--brand);background:transparent;color:var(--brand)}
.acct-form button.btn{background:var(--brand);color:#fff;border:0}
.acct-row{display:flex;gap:8px;align-items:flex-end}
.acct-row label{flex:1}
.acct-form .acct-check{flex-direction:row;align-items:flex-start;gap:8px}
.acct-err{background:#fde8e8;color:#8a1c1c;border-radius:8px;padding:8px 12px}
.acct-ok{background:#e6f4ea;color:#14532d;border-radius:8px;padding:8px 12px}
.acct-btns{display:flex;flex-wrap:wrap;gap:8px}
.btn.ghost-d{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn.off{opacity:.45;cursor:not-allowed}
.acct-out button{font:inherit;background:transparent;border:0;color:var(--mute);text-decoration:underline;cursor:pointer;padding:0}
.acct-form fieldset{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 16px}
.acct-form legend{font-size:14px;color:var(--mute);padding:0;margin-bottom:4px}
.acct-pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 12px;font:inherit}
.acct-kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin:8px 0}
.acct-kv dt{color:var(--mute)}
.acct-kv dd{margin:0;min-width:0;overflow-wrap:anywhere}
.acct-suf{color:var(--mute);white-space:nowrap;align-self:center}
.acct-row>input{flex:1;min-width:0}
.inv-box{margin:10px 0 12px;padding:12px 16px;background:color-mix(in srgb,var(--brand) 9%,var(--card));border-radius:10px}
.inv-box p{margin:0 0 8px}
.inv-n{font-size:1.2em;color:var(--brand)}
.inv-prog{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center}
.inv-dots{display:inline-flex;gap:6px;align-items:center}
.inv-dot{width:14px;height:14px;border-radius:50%;border:2px solid color-mix(in srgb,var(--brand) 45%,var(--card));box-sizing:border-box}
.inv-dot.on{background:var(--brand);border-color:var(--brand)}
.inv-plus{color:var(--brand);font-weight:600}
.inv-tbl{overflow-x:auto;border:1px solid var(--line);border-radius:10px;margin:6px 0}
.inv-tbl table{border-collapse:collapse;width:100%}
.inv-tbl th,.inv-tbl td{border-bottom:1px solid var(--line);padding:6px 10px;text-align:left;font-size:14px;white-space:nowrap}
.inv-tbl th{color:var(--mute);font-weight:600}
.inv-tbl td.num{text-align:right}