:root{--p:#0a6cc4;--pt:#0a6cc4;--pd:#084f91;--pl:#e9f3fc;--ac:#0b7f72;--acl:#e3f5f2;--tx:#0f2a43;--mu:#53657a;--bd:#d9e3ee;--ib:#b9c8d8;--bg:#f6f9fc;--wh:#fff;--ok:#117a45;--okl:#e4f6ec;--wn:#8a5300;--wnl:#fff3dc;--er:#b42318;--erl:#fdeceb;--r:14px;--sh:0 1px 2px rgba(15,42,67,.06),0 4px 14px rgba(15,42,67,.06);color-scheme:light}
:root[data-theme=dark]{--p:#1a78d0;--pt:#7cc0ff;--pd:#a8d2ff;--pl:#16314d;--ac:#47cdbd;--acl:#0f3a35;--tx:#e6eef7;--mu:#9fb2c6;--bd:#24384f;--ib:#3a5370;--bg:#0b1623;--wh:#122236;--ok:#5fd394;--okl:#12331f;--wn:#f5b95c;--wnl:#3a2a0e;--er:#ff8b80;--erl:#3b1714;--sh:0 1px 2px rgba(0,0,0,.3),0 4px 14px rgba(0,0,0,.25);color-scheme:dark}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--tx);background:var(--bg)}
img,svg{max-width:100%}a{color:var(--pt)}h1,h2,h3{line-height:1.25;margin:0 0 .5em}h1{font-size:1.9rem}h2{font-size:1.45rem}h3{font-size:1.1rem}p{margin:0 0 .8em}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.sec{padding:36px 0}.sec.alt{background:var(--wh);border-block:1px solid var(--bd)}
.sec>.wrap>h2{text-align:center}.sub{text-align:center;color:var(--mu);margin:-.2em auto 1.4em;max-width:560px}
/* header */
.hd{background:var(--wh);border-bottom:1px solid var(--bd);position:sticky;top:0;z-index:20}
.hd .wrap{display:flex;align-items:center;gap:8px;min-height:60px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--tx);font-weight:800;font-size:1.25rem;letter-spacing:-.01em}.logo b{color:var(--pt)}
.nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.nav a.l{padding:10px 12px;border-radius:10px;text-decoration:none;color:var(--tx);font-weight:600;font-size:.95rem;min-height:44px;display:inline-flex;align-items:center;gap:6px}
.nav a.l:hover,.nav a.l.on{background:var(--pl);color:var(--pd)}
.nav .btn{margin-left:6px}
.av{width:26px;height:26px;border-radius:50%;background:var(--p);color:#fff;display:inline-grid;place-items:center;font-size:.8rem;font-weight:800}
.icb{background:none;border:1px solid var(--bd);border-radius:10px;width:44px;height:44px;font-size:1.1rem;cursor:pointer;color:var(--tx);display:inline-grid;place-items:center}
.menu{display:none}
.hd .icb.t{margin-left:6px}
@media(max-width:820px){.menu{display:grid;margin-left:auto}.hd .icb.t{margin-left:0}.nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--wh);border-bottom:1px solid var(--bd);flex-direction:column;align-items:stretch;padding:8px 12px 12px;margin:0}.nav.open{display:flex}.nav .btn{margin:6px 0 0;justify-content:center}}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;border:1.5px solid var(--p);background:var(--p);color:#fff;font:700 1rem/1 inherit;font-family:inherit;text-decoration:none;cursor:pointer}
.btn:hover{filter:brightness(.92)}.btn.o{background:transparent;color:var(--pt)}.btn.o:hover{background:var(--pl);filter:none}
.btn.sm{min-height:44px;padding:0 14px;font-size:.92rem}.btn.lg{min-height:54px;padding:0 28px;font-size:1.08rem}.btn.dg{background:#c62d20;border-color:#c62d20;color:#fff}.btn.gh{background:transparent;color:var(--tx);border-color:var(--bd)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #7ab6ee;outline-offset:2px}
/* hero */
.hero{background:linear-gradient(180deg,var(--pl),var(--bg));padding:42px 0 30px}
.hero .wrap{display:grid;gap:26px;grid-template-columns:1.1fr .9fr;align-items:center}
.hero h1{font-size:2.3rem;letter-spacing:-.02em}.hero p.lead{font-size:1.1rem;color:var(--mu);max-width:520px}
.hero .cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.hero .card{padding:18px}
.hero ol{margin:0;padding:0;list-style:none;counter-reset:s}.hero li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--bd);align-items:flex-start}.hero li:last-child{border:0}
.hero li:before{counter-increment:s;content:counter(s);flex:none;width:30px;height:30px;border-radius:50%;background:var(--p);color:#fff;font-weight:800;display:grid;place-items:center}
@media(max-width:760px){.hero{padding:28px 0 18px}.hero .wrap{grid-template-columns:1fr}.hero h1{font-size:1.8rem}}
/* cards */
.card{background:var(--wh);border:1px solid var(--bd);border-radius:var(--r);box-shadow:var(--sh);padding:20px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.plan{display:flex;flex-direction:column;gap:10px}.plan .pr{font-size:1.9rem;font-weight:800;color:var(--pt);letter-spacing:-.02em}.plan .pr small{font-size:.95rem;color:var(--mu);font-weight:600}
.plan .pr.nop{font-size:1.1rem;color:var(--mu)}
.tag{display:inline-block;padding:2px 10px;border-radius:99px;background:var(--pl);color:var(--pd);font-size:.8rem;font-weight:700}
.tag.ok{background:var(--okl);color:var(--ok)}.tag.wn{background:var(--wnl);color:var(--wn)}.tag.er{background:var(--erl);color:var(--er)}.tag.gr{background:var(--bd);color:var(--mu)}
ul.ck{list-style:none;margin:0;padding:0}ul.ck li{padding:3px 0 3px 26px;position:relative}ul.ck li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
ul.ck.no li:before{content:"–";color:var(--mu)}
.muted{color:var(--mu)}.sm{font-size:.9rem}.c{text-align:center}
.draft{font-size:.78rem;color:var(--wn);background:var(--wnl);border-radius:8px;padding:4px 10px;display:inline-block}
/* steps */
.steps{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));counter-reset:st;margin:0;padding:0;list-style:none}
.steps li{background:var(--wh);border:1px solid var(--bd);border-radius:var(--r);padding:16px 16px 16px 64px;position:relative}
.steps li:before{counter-increment:st;content:counter(st);position:absolute;left:16px;top:16px;width:36px;height:36px;border-radius:50%;background:var(--p);color:#fff;font-weight:800;display:grid;place-items:center}
.steps b{display:block;margin-bottom:2px}
/* faq */
details.fq{background:var(--wh);border:1px solid var(--bd);border-radius:12px;margin-bottom:10px}
details.fq summary{padding:14px 16px;font-weight:700;cursor:pointer;min-height:48px;list-style:none;display:flex;justify-content:space-between;gap:10px;align-items:center}
details.fq summary::-webkit-details-marker{display:none}details.fq summary:after{content:"+";font-size:1.4rem;color:var(--pt)}details.fq[open] summary:after{content:"–"}
details.fq .a{padding:0 16px 14px;color:var(--mu)}
/* forms */
label{display:block;font-weight:700;margin:0 0 6px;font-size:.95rem}
input,select,textarea{width:100%;min-height:48px;border:1.5px solid var(--ib);border-radius:12px;padding:10px 14px;font:inherit;background:var(--wh);color:var(--tx)}
textarea{min-height:90px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--p)}
.f{margin-bottom:14px}.row2{display:grid;gap:12px;grid-template-columns:1fr 1fr}@media(max-width:560px){.row2{grid-template-columns:1fr}}
.err{background:var(--erl);color:var(--er);border-radius:10px;padding:10px 14px;margin:0 0 12px;font-weight:600}.okb{background:var(--okl);color:var(--ok);border-radius:10px;padding:10px 14px;margin:0 0 12px;font-weight:600}.wnb{background:var(--wnl);color:var(--wn);border-radius:10px;padding:10px 14px;margin:0 0 12px;font-weight:600}
.hint{font-size:.88rem;color:var(--mu);margin-top:4px}
/* đặt giặt */
.ord{max-width:720px;margin:0 auto}
.ost{background:var(--wh);border:1px solid var(--bd);border-radius:var(--r);padding:18px;margin-bottom:16px;box-shadow:var(--sh)}
.ost>h3{display:flex;align-items:center;gap:10px;font-size:1.1rem}.ost>h3 i{font-style:normal;width:30px;height:30px;border-radius:50%;background:var(--p);color:#fff;display:grid;place-items:center;font-size:.95rem}
.pk{display:grid;gap:10px}
.pk label.o{display:flex;gap:12px;align-items:flex-start;border:1.5px solid var(--bd);border-radius:12px;padding:14px;cursor:pointer;background:var(--wh);margin:0;font-weight:400}
.pk label.o:has(input:checked){border-color:var(--p);background:var(--pl)}
.pk input{width:22px;min-height:22px;margin-top:3px;flex:none}.pk .t{font-weight:800}.pk .pp{margin-left:auto;font-weight:800;color:var(--pt);white-space:nowrap;text-align:right}
.pk label.o.dis{opacity:.6;cursor:not-allowed}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:8px}.seg label{margin:0;font-weight:700;border:1.5px solid var(--bd);border-radius:12px;padding:12px 10px;text-align:center;cursor:pointer;background:var(--wh);display:block}.seg label:has(input:checked){border-color:var(--p);background:var(--pl);color:var(--pd)}.seg input{position:absolute;opacity:0;width:1px;min-height:1px}
.seg label:has(input:focus-visible){outline:3px solid #7ab6ee}
.kg{display:flex;align-items:center;gap:8px}.kg button{width:48px;min-height:48px;border-radius:12px;border:1.5px solid var(--bd);background:var(--wh);font-size:1.4rem;cursor:pointer;color:var(--pt)}.kg input{text-align:center;font-weight:800;font-size:1.2rem}
.ck2{display:flex;gap:10px;align-items:flex-start;padding:10px 0;margin:0;font-weight:400;cursor:pointer}.ck2 input{width:22px;min-height:22px;margin-top:2px;flex:none}.ck2 b{font-weight:700}
.zi{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.sbar{position:fixed;left:0;right:0;bottom:0;background:var(--wh);border-top:1px solid var(--bd);box-shadow:0 -6px 20px rgba(15,42,67,.12);z-index:30;padding:10px 0 calc(10px + env(safe-area-inset-bottom))}
.sbar .wrap{max-width:720px;display:flex;align-items:center;gap:12px}.sbar .tt{flex:1;min-width:0}.sbar .tt small{display:block;color:var(--mu);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}.sbar .tt b{font-size:1.4rem;color:var(--pd)}
.sbar .dt{background:none;border:0;color:var(--pt);font:inherit;font-weight:700;cursor:pointer;padding:0;text-decoration:underline;min-height:24px}
.bk{max-width:720px;margin:0 auto;padding:0 16px}.bkp{background:var(--wh);border-top:1px solid var(--bd);padding:12px 0 4px}
.bk table{width:100%;border-collapse:collapse}.bk td{padding:3px 0}.bk td:last-child{text-align:right;white-space:nowrap}.bk .neg{color:var(--ok)}
.pgap{height:110px}
.sum{background:var(--pl);border-radius:12px;padding:14px 16px;margin:14px 0}.sum .big{font-size:1.6rem;font-weight:800;color:var(--pd)}
.code{font:800 2rem/1 ui-monospace,Consolas,monospace;letter-spacing:.04em;color:var(--pd);background:var(--pl);display:inline-block;padding:10px 18px;border-radius:12px;margin:8px 0}
.mod{position:fixed;inset:0;background:rgba(5,15,28,.6);z-index:60;display:grid;place-items:center;padding:16px;overflow:auto}.mod .card{width:100%;max-width:420px;max-height:92vh;overflow:auto}
/* đơn */
.ol{display:grid;gap:12px}.oc{padding:16px}.oc .h{display:flex;justify-content:space-between;gap:10px;align-items:center;flex-wrap:wrap;cursor:pointer}
.oc .cd{font:800 1.2rem ui-monospace,Consolas,monospace}.oc .sum2{color:var(--mu);margin-top:4px}.oc .sum2 b{color:var(--tx)}
.oc .bdy{display:none;margin-top:12px;border-top:1px dashed var(--bd);padding-top:12px}.oc.open .bdy{display:block}
.oc .chev{transition:transform .15s}.oc.open .chev{transform:rotate(180deg)}
.tl{list-style:none;padding:0;margin:10px 0 0;border-left:3px solid var(--bd)}.tl li{padding:2px 0 8px 14px;position:relative}.tl li:before{content:"";position:absolute;left:-8px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--wh);border:3px solid var(--p)}
.tl li:first-child{font-weight:700}
.tabs{display:flex;gap:6px;margin-bottom:16px;border-bottom:1px solid var(--bd);overflow:auto}.tabs button{background:none;border:0;padding:12px 16px;font:700 1rem inherit;font-family:inherit;color:var(--mu);border-bottom:3px solid transparent;cursor:pointer;min-height:48px;white-space:nowrap}.tabs button.on{color:var(--pt);border-color:var(--p)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.chip{border:1.5px solid var(--bd);background:var(--wh);color:var(--tx);border-radius:99px;padding:0 16px;min-height:44px;font:700 .95rem inherit;font-family:inherit;cursor:pointer}.chip.on{background:var(--p);border-color:var(--p);color:#fff}.chip b{margin-left:6px;opacity:.85}
/* tài khoản */
.acc{display:grid;gap:20px;grid-template-columns:260px 1fr;align-items:start}
.acc>*{min-width:0}.side{position:sticky;top:76px}.side .who{display:flex;gap:12px;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--bd);margin-bottom:10px}.side .big{width:52px;height:52px;border-radius:50%;border:3px solid var(--p);display:grid;place-items:center;font-weight:800;font-size:1.3rem;color:var(--pt);flex:none}
.side nav a,.side nav button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:12px;border-radius:12px;border:0;background:none;color:var(--tx);font:600 1rem inherit;font-family:inherit;text-decoration:none;cursor:pointer;min-height:48px}
.side nav a.on{background:var(--pl);color:var(--pd)}.side nav a:hover{background:var(--pl)}
.side .out{margin-top:10px;border:1.5px solid var(--p);color:var(--pt);justify-content:center}
@media(max-width:820px){.acc{grid-template-columns:1fr}.side{position:static}.side nav{display:flex;gap:6px;overflow:auto}.side nav a,.side nav button{width:auto;white-space:nowrap}.side .out{margin-top:0}}
.prog{height:12px;border-radius:99px;background:var(--bd);overflow:hidden;margin:8px 0}.prog i{display:block;height:100%;background:var(--p);border-radius:99px}
.badge{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:var(--pd);background:var(--pl);border-radius:99px;padding:3px 12px;font-size:.9rem}
.vc{border:1.5px dashed var(--p);border-radius:12px;padding:12px 14px;display:flex;gap:10px;justify-content:space-between;align-items:center;flex-wrap:wrap}.vc code{font:800 1.05rem ui-monospace,Consolas,monospace;color:var(--pd)}
.tbl{width:100%;border-collapse:collapse;background:var(--wh);border-radius:12px;overflow:hidden;border:1px solid var(--bd)}
.tbl th,.tbl td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--bd);vertical-align:top;font-size:.95rem}.tbl th{background:var(--pl);color:var(--pd);font-size:.85rem}
.pgrid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.band{background:var(--pl);border-radius:var(--r);padding:22px;text-align:center}
/* footer + nút nổi */
.ft{background:#0d2238;color:#cfdbe8;padding:30px 0 90px;margin-top:20px}.ft a{color:#fff}.ft h3{color:#fff;font-size:1rem}.ft .g{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.ft p{margin:0 0 6px}
.cbar{display:none}
@media(max-width:760px){.cbar{display:block;position:fixed;left:0;right:0;bottom:0;background:var(--wh);border-top:1px solid var(--bd);padding:8px 12px calc(8px + env(safe-area-inset-bottom));z-index:19}.cbar .btn{width:100%}}
.fab{position:fixed;right:14px;bottom:84px;z-index:25;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.fab .m{width:52px;height:52px;border-radius:50%;background:var(--p);color:#fff;border:0;font-size:1.4rem;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.fab .pn{display:none;flex-direction:column;gap:6px;background:var(--wh);border:1px solid var(--bd);border-radius:14px;padding:8px;box-shadow:var(--sh);min-width:170px}.fab.open .pn{display:flex}
.fab .pn a,.fab .pn button{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:10px;color:var(--tx);text-decoration:none;font:600 .95rem inherit;font-family:inherit;background:none;border:0;cursor:pointer;min-height:44px}.fab .pn a:hover,.fab .pn button:hover{background:var(--pl)}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--tx);color:var(--bg);padding:10px 18px;border-radius:99px;z-index:90;font-weight:600}
.empty{text-align:center;color:var(--mu);padding:30px 10px}
.sk{color:var(--mu);padding:20px;text-align:center}