:root{--teal:#0d9488;--teal-d:#0f766e;--teal-dd:#115e59;--teal-l:#5eead4;--mint:#f0fdfa;--mint2:#ccfbf1;--ink:#0f2b29;--slate:#475569;--slate-l:#64748b;--line:#d7e6e3;--bg:#f4faf9;--card:#ffffff;--gold:#c79a2e;--gold-l:#fef3c7;--danger:#dc2626;--warn:#ea580c;--ok:#059669;--shadow:0 1px 2px rgba(13,148,136,.05),0 8px 24px rgba(13,148,136,.07);--radius:16px;--font:"Be Vietnam Pro",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;--serif:"Playfair Display",Georgia,serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--teal-d)}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:15px}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:40;background:linear-gradient(120deg,var(--teal-dd),var(--teal),#0891b2);color:#fff;box-shadow:0 2px 14px #0f5e5940}.topbar-in{max-width:1120px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px}.brand{display:flex;align-items:center;gap:11px;min-width:0}.brand .logo{width:38px;height:38px;flex:none;border-radius:11px;background:#ffffff29;display:grid;place-items:center;font-size:20px}.brand h1{font-family:var(--serif);font-size:19px;margin:0;font-weight:700;line-height:1.15;letter-spacing:.2px}.brand .sub{font-size:11.5px;opacity:.86;margin-top:1px}.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.btn-ghost{background:#ffffff24;color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:10px;padding:7px 12px;font-size:13px;font-weight:600;white-space:nowrap}.btn-ghost:hover{background:#ffffff3d}.pro-badge{background:linear-gradient(120deg,#fbbf24,#d97706);color:#3a2600;border:none;font-weight:700;border-radius:999px;padding:5px 11px;font-size:12px}.tabs{position:sticky;top:58px;z-index:30;background:#ffffffe6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.tabs-in{max-width:1120px;margin:0 auto;display:flex;gap:2px;overflow-x:auto;padding:6px 10px;scrollbar-width:none}.tabs-in::-webkit-scrollbar{display:none}.tab{flex:none;background:none;border:none;padding:9px 14px;border-radius:10px;color:var(--slate);font-size:14px;font-weight:600;display:flex;align-items:center;gap:7px;white-space:nowrap}.tab:hover{background:var(--mint)}.tab.active{background:var(--teal);color:#fff;box-shadow:var(--shadow)}.tab .ico{font-size:16px}.tab .lock{font-size:11px;opacity:.8}.main{flex:1;max-width:1120px;width:100%;margin:0 auto;padding:22px 16px 80px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card-pad{padding:20px}.section-title{font-family:var(--serif);font-size:23px;font-weight:700;color:var(--teal-dd);margin:0 0 3px}.section-sub{color:var(--slate);font-size:14px;margin:0 0 18px}.grid{display:grid;gap:16px}.muted{color:var(--slate-l)}.small{font-size:13px}.hr{height:1px;background:var(--line);border:0;margin:18px 0}.btn{background:var(--teal);color:#fff;border:none;border-radius:11px;padding:11px 18px;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:.15s;box-shadow:0 2px 8px #0d948838}.btn:hover{background:var(--teal-d)}.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.btn.lg{padding:14px 26px;font-size:16px;border-radius:13px}.btn.gold{background:linear-gradient(120deg,#d97706,#b45309);box-shadow:0 2px 8px #b4530940}.btn.outline{background:#fff;color:var(--teal-d);border:1.5px solid var(--teal-l)}.btn.outline:hover{background:var(--mint)}.btn.ghost{background:var(--mint);color:var(--teal-d);box-shadow:none}.btn.sm{padding:7px 12px;font-size:13px;border-radius:9px}.btn.danger{background:#fff;color:var(--danger);border:1.5px solid #fecaca;box-shadow:none}.btn-row{display:flex;flex-wrap:wrap;gap:9px}label.fl{display:block;font-weight:600;font-size:13.5px;color:var(--teal-dd);margin:0 0 5px}.field{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:11px;background:#fbfefe;outline:none;transition:.15s}.field:focus{border-color:var(--teal-l);box-shadow:0 0 0 3px #5eead440}textarea.field{min-height:90px;resize:vertical;line-height:1.55}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-row{margin-bottom:14px}.chip{display:inline-flex;align-items:center;gap:5px;padding:5px 11px;border-radius:999px;font-size:13px;font-weight:600;background:var(--mint2);color:var(--teal-dd);border:1px solid var(--teal-l)}.chip.on{background:var(--teal);color:#fff;border-color:var(--teal)}.len-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:9px}.len-opt{display:flex;flex-direction:column;align-items:flex-start;gap:3px;text-align:left;padding:10px 12px;border:1.5px solid var(--line);border-radius:12px;background:#fbfefe;cursor:pointer;transition:.15s}.len-opt:hover:not(:disabled){border-color:var(--teal-l);background:var(--mint)}.len-opt.on{border-color:var(--teal);background:var(--mint2);box-shadow:0 0 0 3px #5eead438}.len-opt:disabled{opacity:.55;cursor:default}.len-opt .len-t{font-weight:700;font-size:14px;color:var(--teal-dd)}.len-opt .len-h{font-size:12px;color:var(--slate-l,#64748b);line-height:1.35}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:700}.hero{background:linear-gradient(135deg,var(--teal-dd),var(--teal) 55%,#0891b2);color:#fff;border-radius:22px;padding:38px 30px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%)}.hero h2{font-family:var(--serif);font-size:32px;margin:0 0 10px;line-height:1.15;position:relative}.hero p{font-size:16px;opacity:.94;max-width:640px;margin:0 0 18px;position:relative}.feat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:20px}.feat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow)}.feat .fi{font-size:24px}.feat h4{margin:8px 0 4px;font-size:15.5px;color:var(--teal-dd)}.feat p{margin:0;font-size:13.5px;color:var(--slate)}.ind-summary{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}.ind-stat{flex:1;min-width:120px;border-radius:13px;padding:12px 14px;border:1px solid var(--line);background:#fff}.ind-stat b{display:block;font-size:26px;line-height:1;font-family:var(--serif)}.ind-stat span{font-size:12.5px;color:var(--slate)}.ind-table{width:100%;border-collapse:collapse;font-size:14px}.ind-table th,.ind-table td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}.ind-table th{color:var(--slate);font-size:12px;text-transform:uppercase;letter-spacing:.4px;font-weight:700}.ind-table tr:hover td{background:var(--mint)}.lv{padding:2px 9px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:11px}.expert{border:1.5px solid var(--line);border-radius:14px;padding:14px 13px;background:#fff;text-align:left;transition:.15s;position:relative}.expert:hover{border-color:var(--teal-l);transform:translateY(-2px);box-shadow:var(--shadow)}.expert .ei{font-size:26px}.expert h4{margin:7px 0 3px;font-size:14.5px;color:var(--ink)}.expert p{margin:0;font-size:12px;color:var(--slate-l);line-height:1.4}.result{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.result-head{background:linear-gradient(120deg,var(--mint2),var(--mint));padding:14px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;flex-wrap:wrap}.result-head h3{margin:0;font-size:17px;color:var(--teal-dd);font-family:var(--serif)}.md{padding:8px 24px 22px;font-size:15.3px;color:#1e2f2d}.md h1{font-family:var(--serif);font-size:24px;color:var(--teal-dd);margin:22px 0 8px}.md h2{font-family:var(--serif);font-size:20px;color:var(--teal-d);margin:24px 0 8px;padding-bottom:5px;border-bottom:2px solid var(--mint2)}.md h3{font-size:16.5px;color:var(--teal-dd);margin:18px 0 6px}.md h4{font-size:15px;color:var(--teal-dd);margin:14px 0 4px}.md p{margin:9px 0}.md ul,.md ol{padding-left:22px;margin:8px 0}.md li{margin:4px 0}.md strong{color:var(--teal-dd)}.md code{background:var(--mint2);padding:1px 6px;border-radius:5px;font-size:.92em}.md img.md-img{max-width:100%;border-radius:10px;margin:8px 0}.md-table-wrap{overflow-x:auto;margin:12px 0;-webkit-overflow-scrolling:touch;border-radius:10px}.md table{border-collapse:collapse;width:100%;margin:0;font-size:14px;min-width:520px}.md td,.md th{border:1px solid var(--line);padding:7px 10px;text-align:left;vertical-align:top}.md thead th{background:var(--mint2);color:var(--teal-dd);font-weight:700;white-space:nowrap}.md tbody tr:nth-child(2n) td{background:var(--mint)}.md .md-hr{border:0;border-top:1px solid var(--line);margin:14px 0}.actions{border-top:1px dashed var(--line);padding:14px 20px;background:#fbfefe}.actions .lbl{font-size:12px;font-weight:700;color:var(--slate);text-transform:uppercase;letter-spacing:.4px;margin:0 0 8px}.act-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.act-btn{background:#fff;border:1.5px solid var(--line);border-radius:9px;padding:7px 12px;font-size:13px;font-weight:600;color:var(--teal-dd);display:inline-flex;align-items:center;gap:6px}.act-btn:hover{border-color:var(--teal-l);background:var(--mint)}.act-btn.fb{color:#1877f2}.act-btn.tw{color:#111}.act-btn.tg{color:#229ed9}.act-btn.za{color:#0068ff}.act-btn.ask{background:var(--mint);border-color:var(--teal-l)}.expert.on{border-color:var(--teal);background:var(--mint)}.uploads{display:flex;gap:12px;flex-wrap:wrap}.upl{width:132px;height:132px;border:2px dashed var(--teal-l);border-radius:14px;background:var(--mint);display:grid;place-items:center;text-align:center;color:var(--teal-d);font-size:13px;font-weight:600;cursor:pointer;position:relative;overflow:hidden}.upl:hover{background:var(--mint2)}.upl img{width:100%;height:100%;object-fit:cover}.upl .rm{position:absolute;top:4px;right:4px;background:#0000008c;color:#fff;border:none;border-radius:8px;width:24px;height:24px;font-size:15px;line-height:1}.upl .big{font-size:30px;display:block}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f2b298c;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:grid;place-items:center;z-index:100;padding:16px}.modal{background:#fff;border-radius:20px;max-width:440px;width:100%;box-shadow:0 24px 60px #0000004d;overflow:hidden;max-height:92vh;overflow-y:auto}.modal-head{background:linear-gradient(120deg,var(--teal-dd),var(--teal));color:#fff;padding:20px 24px}.modal-head h3{margin:0;font-family:var(--serif);font-size:21px}.modal-body{padding:22px 24px}.close-x{position:absolute;top:14px;right:16px;background:#fff3;border:none;color:#fff;width:30px;height:30px;border-radius:50%;font-size:17px}.seg{display:flex;background:var(--mint);border-radius:11px;padding:4px;gap:4px;margin-bottom:16px}.seg button{flex:1;border:none;background:none;padding:8px;border-radius:8px;font-weight:600;font-size:13.5px;color:var(--slate)}.seg button.on{background:#fff;color:var(--teal-d);box-shadow:var(--shadow)}.pro-reason{background:var(--gold-l);border:1px solid #f0e2c4;color:#8a6a1e;padding:9px 12px;border-radius:10px;font-size:13.5px;margin:0 0 12px}.pro-benefits{list-style:none;padding:0;margin:2px 0 14px;font-size:14px;line-height:1.95}.pro-benefits b{color:var(--teal-dd)}.pro-plans{display:flex;gap:9px;overflow-x:auto;padding-bottom:4px;margin-bottom:4px}.pro-plan{flex:1 0 118px;border:2px solid var(--line);background:#fbfefe;border-radius:13px;padding:12px 10px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px;transition:.15s}.pro-plan:hover{border-color:var(--gold)}.pro-plan.on{border-color:var(--gold);background:#fffdf6;box-shadow:0 0 0 3px #c79a2e2e}.pro-plan b{color:var(--teal-dd);font-size:13.5px;text-align:center;line-height:1.25}.pro-plan .pro-price{font-weight:800;font-size:18px;color:#b45309}.pro-plan small{color:var(--slate-l);font-size:11px}.pro-pay{display:flex;gap:14px;align-items:center;margin:16px 0 8px}.pro-qr{width:150px;height:150px;border-radius:12px;background:#fff;border:1px solid var(--line);flex:none}.pro-qr-info{flex:1;display:flex;flex-direction:column;gap:6px;font-size:13px}.pro-qr-info>div{display:flex;justify-content:space-between;gap:10px}.pro-qr-info span{color:var(--slate-l);flex:none}.pro-qr-info b{text-align:right;word-break:break-word;color:var(--ink)}.pro-note{font-size:12.5px;color:var(--slate-l);line-height:1.65;margin:6px 0 0}@media (max-width:400px){.pro-pay{flex-direction:column}.pro-qr{width:180px;height:180px}}.usage{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap;background:var(--mint2);color:var(--teal-dd);border:1px solid var(--teal-l);border-radius:999px;padding:6px 13px;font-size:13px;font-weight:600;margin:0 0 16px}.usage.out{background:#fef2f2;color:var(--danger);border-color:#fecaca}.usage-up{background:var(--gold);color:#fff;border:none;border-radius:999px;padding:3px 11px;font-size:12.5px;font-weight:700;cursor:pointer}.usage-up:hover{filter:brightness(1.05)}.keybar{background:var(--gold-l);border:1px solid #f4d799;border-radius:13px;padding:11px 15px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px}.keybar .k{font-size:13px;color:#7c5a12;flex:1;min-width:180px}.keybar input{flex:2;min-width:180px}.spin{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite;display:inline-block}.spin.teal{border-color:var(--mint2);border-top-color:var(--teal)}@keyframes sp{to{transform:rotate(360deg)}}.loadbox{text-align:center;padding:40px 20px;color:var(--slate)}.loadbox .spin{width:34px;height:34px;margin-bottom:12px}.empty{text-align:center;padding:44px 20px;color:var(--slate-l)}.empty .ei{font-size:44px;opacity:.6}.li-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px 16px;box-shadow:var(--shadow)}.li-card .li-t{font-weight:700;color:var(--teal-dd)}.li-card .li-m{font-size:12.5px;color:var(--slate-l)}.pro-lock{text-align:center;padding:40px 24px}.pro-lock .pi{font-size:48px}@media (max-width:720px){.form-grid{grid-template-columns:1fr}.hero{padding:28px 20px}.hero h2{font-size:25px}.brand h1{font-size:16px}.brand .sub{display:none}.md{padding:6px 16px 18px}.card-pad{padding:15px}}
