:root{--accent:#0f9d8a;--accent-d:#0b7c6c;--accent-l:#e3f5f2;--bg:#f3f5f7;--card:#fff;--text:#1d2730;--muted:#66727d;--line:#e1e6ea;
--ok:#1a9d52;--warn:#e0920b;--bad:#d64045;--gray:#9aa5af;--radius:14px;
--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",Roboto,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 var(--font)}
[hidden]{display:none!important}
a{color:var(--accent-d)}
h1,h2,h3{line-height:1.25;margin:0 0 .5em}
h1{font-size:1.6rem}h2{font-size:1.25rem}h3{font-size:1.05rem}
p{margin:0 0 .75em}
.muted{color:var(--muted)}.small{font-size:.875rem}.center{text-align:center}.pad{padding:32px 0}
.mt{margin-top:16px}.mb{margin-bottom:16px}
.wrap{max-width:960px;margin:0 auto;padding:16px 14px 64px}

.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar-in{max-width:960px;margin:0 auto;padding:8px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.brand{font-weight:700;font-size:1.15rem;color:var(--accent-d);text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lang-select{border:1px solid var(--line);border-radius:999px;background:#fff;padding:8px 12px;font:inherit;font-size:.875rem;color:var(--ink,inherit);min-height:40px;cursor:pointer;flex:none;width:auto}
.nav{max-width:960px;margin:0 auto;display:flex;overflow-x:auto;padding:0 8px;gap:2px;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{flex:none;padding:12px 12px;text-decoration:none;color:var(--muted);border-bottom:3px solid transparent;font-size:.95rem;position:relative;white-space:nowrap}
.nav a.on{color:var(--accent-d);border-bottom-color:var(--accent);font-weight:600}
.badge{display:inline-block;min-width:18px;padding:0 5px;margin-left:4px;border-radius:9px;background:var(--bad);color:#fff;font-size:.72rem;line-height:18px;text-align:center}

.card{background:var(--card);border-radius:var(--radius);box-shadow:0 1px 3px rgba(20,40,60,.08);padding:16px;margin-bottom:14px}
.card.flat{box-shadow:none;border:1px solid var(--line)}
.grid{display:grid;gap:12px}
@media(min-width:700px){.grid.c2{grid-template-columns:1fr 1fr}.grid.c3{grid-template-columns:repeat(3,1fr)}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:8px 16px;border-radius:10px;border:1px solid var(--accent);background:var(--accent);color:#fff;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--accent-d)}
.btn.ghost{background:#fff;color:var(--accent-d)}
.btn.ghost:hover{background:var(--accent-l)}
.btn.danger{background:#fff;color:var(--bad);border-color:#efc3c5}
.btn.danger:hover{background:#fdeeee}
.btn.sm{min-height:38px;padding:4px 12px;font-size:.9rem}
.btn.block{width:100%}
.btn:disabled{opacity:.55;cursor:default}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.row.between{justify-content:space-between}
.grow{flex:1 1 160px;min-width:0}

label.f{display:block;margin-bottom:12px;font-size:.9rem;font-weight:600}
label.f .hint{display:block;font-weight:400;color:var(--muted);font-size:.8rem;margin-top:2px}
input[type=text],input[type=password],input[type=tel],input[type=number],select,textarea{width:100%;min-height:44px;padding:9px 12px;border:1px solid #cbd3da;border-radius:10px;font:inherit;background:#fff;color:var(--text);margin-top:4px}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus,.btn:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid rgba(15,157,138,.35);outline-offset:1px}
.check{display:flex;gap:10px;align-items:flex-start;margin:12px 0;font-size:.9rem}
.check input{width:22px;height:22px;margin:1px 0 0;flex:none;accent-color:var(--accent)}

.hero{background:linear-gradient(135deg,#0f9d8a,#0b7c6c);color:#fff;border-radius:var(--radius);padding:24px 18px;margin-bottom:14px}
.hero h1{font-size:1.5rem;margin-bottom:.4em}
.hero ul{margin:12px 0 0;padding:0;list-style:none}
.hero li{padding:4px 0 4px 26px;position:relative}
.hero li::before{content:"✓";position:absolute;left:0;font-weight:700}
.trial{background:#fff8e6;border:1px solid #f1deaa;border-radius:12px;padding:12px 14px;margin-bottom:14px}
.plan{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff;text-align:left}
.plan .price{font-size:1.4rem;font-weight:700;color:var(--accent-d)}
.plan ul{margin:8px 0 0;padding-left:18px;color:var(--muted);font-size:.9rem}
button.plan{font:inherit;color:inherit;cursor:pointer;width:100%}
button.plan.sel{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent);background:var(--accent-l)}
.tabs{display:flex;gap:6px;margin-bottom:14px}
.tabs button{flex:1;min-height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;font:inherit;font-weight:600;cursor:pointer;color:var(--muted)}
.tabs button.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.risk{background:#fff4f2;border:1px solid #f1c5bf;color:#7a2b22;border-radius:10px;padding:10px 12px;font-size:.88rem;margin:8px 0}
.risk strong{display:block;margin-bottom:2px}

.dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--gray);margin-right:6px;flex:none}
.dot.ok{background:var(--ok)}.dot.warn{background:var(--warn)}.dot.bad{background:var(--bad)}
.state{display:inline-flex;align-items:center;font-size:.9rem;font-weight:600}
.acc-head{display:flex;gap:10px;justify-content:space-between;align-items:flex-start;flex-wrap:wrap}
.acc-title{font-weight:700;font-size:1.1rem;word-break:break-word}
.kv{margin:8px 0;font-size:.92rem;color:var(--muted)}
.kv b{color:var(--text);font-weight:600}
.meter{height:6px;background:#e7ecef;border-radius:3px;overflow:hidden;margin-top:4px;max-width:280px}
.meter i{display:block;height:100%;background:var(--accent)}
.meter i.w10{width:10%}.meter i.w20{width:20%}.meter i.w30{width:30%}.meter i.w40{width:40%}.meter i.w50{width:50%}
.meter i.w60{width:60%}.meter i.w70{width:70%}.meter i.w80{width:80%}.meter i.w90{width:90%}.meter i.w100{width:100%;background:var(--bad)}.meter i.w0{width:0}
.banner{background:#fff4e0;border:1px solid #f3d79a;color:#6e4a05;border-radius:10px;padding:10px 12px;margin:10px 0;display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.banner.bad{background:#fdeeee;border-color:#efc3c5;color:#8a2328}
.detail{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}
.group{display:flex;align-items:center;gap:10px;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}
.group:last-child{border-bottom:0}
.group .gname{min-width:0;word-break:break-word}
.group.off .gname{color:var(--muted)}
.switch{position:relative;display:inline-block;width:52px;height:30px;flex:none}
.switch input{position:absolute;inset:0;width:100%;height:100%;opacity:0;margin:0;cursor:pointer;z-index:1}
.switch span{position:absolute;inset:0;background:#c5cdd4;border-radius:15px;transition:background .15s}
.switch span::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:transform .15s;box-shadow:0 1px 2px rgba(0,0,0,.3)}
.switch input:checked+span{background:var(--accent)}
.switch input:checked+span::after{transform:translateX(22px)}
.switch input:disabled{cursor:not-allowed}.switch input:disabled+span{opacity:.5}
.set-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;flex-wrap:wrap}

.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.8rem;font-weight:600;background:#eceff2;color:var(--muted)}
.pill.ok{background:#e1f5e9;color:#127a3e}.pill.warn{background:#fff1d6;color:#8a5a00}.pill.bad{background:#fdeaea;color:#a8282d}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
th{color:var(--muted);font-weight:600;font-size:.82rem;white-space:nowrap}
td.num{white-space:nowrap}
.dur{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.dur button{min-height:56px;border:1px solid var(--line);border-radius:10px;background:#fff;font:inherit;cursor:pointer;padding:6px 4px}
.dur button.sel{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent);background:var(--accent-l)}
.dur small{display:block;color:var(--accent-d);font-weight:600;font-size:.72rem}
.total{font-size:1.5rem;font-weight:700;color:var(--accent-d)}
.paybox{border:2px solid var(--accent);background:var(--accent-l)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;word-break:break-all;font-size:.82rem;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px}
.linkbox{display:flex;gap:8px;flex-wrap:wrap}
.linkbox input{flex:1 1 200px;margin:0}
.bigcode{font-size:2rem;font-weight:800;letter-spacing:.15em;color:var(--accent-d)}

.gl-row{display:grid;grid-template-columns:1fr 1fr 44px;gap:8px;margin-bottom:8px}
.gl-row input{margin:0}
.gl-row .btn{padding:0;min-width:44px}

.ticket{display:block;width:100%;text-align:left;font:inherit;color:inherit;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:8px;cursor:pointer}
.ticket:hover{border-color:var(--accent)}
.ticket .row{flex-wrap:nowrap}
.udot{width:10px;height:10px;border-radius:50%;background:var(--bad);flex:none}
.bubbles{display:flex;flex-direction:column;gap:10px;margin:12px 0}
.bubble{max-width:86%;padding:10px 12px;border-radius:14px;white-space:pre-wrap;word-break:break-word}
.bubble.me{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px}
.bubble.staff{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.bubble .meta{display:block;font-size:.72rem;opacity:.75;margin-bottom:2px}
.support-note{white-space:pre-wrap;word-break:break-word;background:var(--accent-l);border-radius:10px;padding:10px 12px;font-size:.92rem}

.modal-bg{position:fixed;inset:0;background:rgba(15,25,35,.55);z-index:50;display:flex;align-items:center;justify-content:center;padding:14px}
.modal .row{justify-content:center}
.modal{background:#fff;border-radius:16px;max-width:420px;width:100%;padding:20px;max-height:92vh;overflow:auto;text-align:center}
.qrbox{width:240px;height:240px;margin:12px auto;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;background:#fafbfc}
.qrbox img{width:224px;height:224px;image-rendering:pixelated}
.spinner{width:34px;height:34px;border:4px solid #dfe5ea;border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:#1d2730;color:#fff;padding:12px 18px;border-radius:12px;z-index:60;max-width:92vw;box-shadow:0 4px 16px rgba(0,0,0,.25);text-align:center}
.toast.err{background:#b3282d}
.toast.ok{background:#127a3e}
.inline-err{color:var(--bad);font-size:.9rem;margin:8px 0}
.empty{text-align:center;color:var(--muted);padding:24px 8px}
.foot{margin-top:24px;text-align:center;font-size:.85rem;color:var(--muted)}

/* ---- two kinds of numbers, tiers, style editor ---- */
.nomb{margin:0}
.btn.light{background:#fff;color:var(--accent-d);border-color:#fff}
.btn.light:hover{background:var(--accent-l)}
.btn.light:disabled{background:rgba(255,255,255,.85)}
.hero-actions{margin-top:16px;display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.dl{display:flex;flex-direction:column;align-items:flex-start;gap:4px}
.dl-hint{color:var(--muted)}
.hero .dl-hint,.hero .dl-ver{color:#e3f5f2}
.pgroup{border-left:5px solid var(--accent)}
.pgroup.pg-hosted{border-left-color:#5b6fd6}
.pgroup .grid{margin-top:8px}
.pgroup h3{margin:0}
.pill.mode-local{background:var(--accent-l);color:var(--accent-d)}
.pill.mode-hosted{background:#e8ebfb;color:#3947a8}
.acc-title .pill{vertical-align:middle;margin-left:4px}
.state-box{text-align:right}
.clientbox{background:var(--accent-l);border-radius:10px;padding:10px 12px;margin:10px 0}
.clientbox p{margin:4px 0 8px}
.kv.credits{font-size:1rem}
.set-block{padding:10px 0;border-bottom:1px solid var(--line)}
.tiers{display:grid;gap:8px;margin-top:8px}
@media(min-width:700px){.tiers{grid-template-columns:1fr 1fr}}
.tier,.choice{display:block;position:relative;cursor:pointer}
.tier input,.choice input{position:absolute;opacity:0;width:1px;height:1px}
.tier-body,.choice-body{display:flex;flex-direction:column;gap:2px;border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff;text-align:left;height:100%}
.tier input:checked+.tier-body,.choice input:checked+.choice-body{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent);background:var(--accent-l)}
.tier input:focus-visible+.tier-body,.choice input:focus-visible+.choice-body{outline:3px solid rgba(15,157,138,.35);outline-offset:1px}
.tier.dis{cursor:not-allowed}.tier.dis .tier-body{opacity:.55;background:#f3f5f7}
.choices{display:grid;gap:10px;margin:12px 0}
.choice-body .pill{align-self:flex-start;margin:2px 0}
.modal.left{text-align:left}
.srow{display:flex;gap:10px;align-items:center;margin:8px 0;flex-wrap:wrap}
.slabel{width:48px;flex:none;color:var(--muted);font-size:.85rem}
.tog,.chip,.seg{min-height:44px;min-width:44px;padding:4px 12px;border:1px solid #cbd3da;background:#fff;border-radius:10px;font:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:6px;color:var(--text)}
.tog[aria-pressed=true],.chip[aria-pressed=true],.seg[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent);background:var(--accent-l)}
.tog{justify-content:center;font-size:1.1rem}
.tog-b{font-weight:800}.tog-i{font-style:italic;font-family:Georgia,serif}.tog-u{text-decoration:underline}
.sw{display:inline-block;width:16px;height:16px;border-radius:50%;border:1px solid rgba(0,0,0,.15)}
.sw.none{background:#fff;position:relative;overflow:hidden}
.sw.none::after{content:"";position:absolute;left:-2px;right:-2px;top:7px;height:2px;background:#c0392b;transform:rotate(-45deg)}
.c-bg-red{background:#db342e}.c-bg-orange{background:#f27806}.c-bg-yellow{background:#f7b503}.c-bg-green{background:#15a85f}
.c-red{color:#db342e}.c-orange{color:#f27806}.c-yellow{color:#f7b503}.c-green{color:#15a85f}
.pv-b{font-weight:700}.pv-i{font-style:italic}.pv-u{text-decoration:underline}
.s-small{font-size:.8125rem}.s-large{font-size:1.125rem}
.preview{margin-top:10px}
.pv-bubble{margin-top:4px;background:#eef1f4;border-radius:14px;padding:10px 12px;max-width:340px}
.pv-src{color:var(--text)}
.pv-text{display:block;margin-top:2px;word-break:break-word}
.device{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:10px 0;border-bottom:1px solid var(--line)}
.device:last-child{border-bottom:0}

.inline-ok{color:#127a3e;font-size:.9rem;margin:8px 0}
.codewrap{display:flex;gap:8px;align-items:stretch}
.codewrap input{flex:1;min-width:0;letter-spacing:.15em}
.codewrap .getcode{flex:none;white-space:nowrap;margin-top:4px;border:1px solid var(--line)}
.linklike{background:none;border:0;color:var(--accent);text-decoration:underline;font:inherit;font-size:.9rem;cursor:pointer;padding:6px}