:root{--bg:#F5F6F4;--card:#fff;--ink:#16181D;--ink2:#4A4F5A;--mute:#6B7080;--line:#E3E5E1;--acc:#0E6B5C;--acc2:#0B5549;--accsoft:#E3F1EE;--warn:#B45309;--warnsoft:#FDF1E3;--bad:#B42318;--badsoft:#FDECEA;--ok:#18794E;--oksoft:#E6F4EC;--blue:#1D4ED8;--bluesoft:#E8EEFC;--r:12px}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:'Be Vietnam Pro',system-ui,sans-serif;font-size:15px;line-height:1.55}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--acc)} h1,h2,h3,h4{margin:0;line-height:1.25}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 16px;cursor:pointer;font-weight:600;min-height:42px;text-decoration:none;color:var(--ink)}
.btn:hover{border-color:#C9CCC6}.btn.pri{background:var(--acc);border-color:var(--acc);color:#fff}.btn.pri:hover{background:var(--acc2)}
.btn.ghost{background:transparent}.btn.sm{padding:6px 12px;min-height:34px;font-size:13px;border-radius:8px}.btn.danger{color:var(--bad)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.chip{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;background:#EEF0EC;color:var(--ink2);white-space:nowrap}
.chip.g{background:var(--oksoft);color:var(--ok)}.chip.w{background:var(--warnsoft);color:var(--warn)}.chip.r{background:var(--badsoft);color:var(--bad)}.chip.b{background:var(--bluesoft);color:var(--blue)}.chip.a{background:var(--accsoft);color:var(--acc2)}.chip.d{background:#16181D;color:#fff}
.pf{display:inline-flex;align-items:center;justify-content:center;font-size:10.5px;font-weight:800;letter-spacing:.02em;border-radius:6px;width:26px;height:20px;color:#fff;flex:none}
.pf.th{background:#5A5F6B}.pf.fb{background:#1F4FB5}.pf.ig{background:#A3266B}.pf.tt{background:#16181D}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.muted{color:var(--mute)}.small{font-size:13px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:960px){.g2,.g3,.g4{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-weight:600;font-size:14px}
.input,select.input,textarea.input{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff;width:100%;min-height:42px}
textarea.input{min-height:100px;resize:vertical}.input:focus{outline:2px solid #9FD5C9;border-color:var(--acc)}
.hint{font-size:13px;color:var(--mute)}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-weight:600;color:var(--mute);font-size:12px;text-transform:uppercase;letter-spacing:.03em;padding:10px 12px;border-bottom:1px solid var(--line)}
td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top}.tbl-wrap{overflow-x:auto}
.kpi .n{font-size:28px;font-weight:700;letter-spacing:-.01em}.kpi .l{color:var(--mute);font-size:13px}
.bar{height:8px;border-radius:99px;background:#E7E9E4;overflow:hidden}.bar>i{display:block;height:100%;background:var(--acc);border-radius:99px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#16181D;color:#fff;padding:12px 18px;border-radius:10px;z-index:200;font-size:14px;max-width:90vw}
.overlay{position:fixed;inset:0;background:rgba(15,18,24,.45);z-index:100;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow:auto}
.modal{background:#fff;border-radius:16px;max-width:820px;width:100%;padding:28px;position:relative}.modal .x{position:absolute;right:16px;top:16px}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(520px,100vw);background:#fff;z-index:110;box-shadow:-12px 0 40px rgba(0,0,0,.15);padding:24px;overflow:auto}
.note{border:1px dashed #C7B48A;background:#FFFBF2;border-radius:10px;padding:12px 14px;font-size:13px;color:#6B4E16}
.shot{border:1px dashed #B8BDB4;border-radius:10px;background:repeating-linear-gradient(45deg,#F3F4F1,#F3F4F1 10px,#EDEEEA 10px,#EDEEEA 20px);height:140px;display:flex;align-items:center;justify-content:center;color:var(--mute);font-size:13px;text-align:center;padding:12px}
.toggle{position:relative;width:42px;height:24px;border-radius:99px;background:#CBCFC8;border:none;cursor:pointer;flex:none}
.toggle::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.15s}.toggle.on{background:var(--acc)}.toggle.on::after{left:21px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px;flex-wrap:wrap}
.tabs button{background:none;border:none;padding:10px 14px;cursor:pointer;color:var(--mute);font-weight:600;border-bottom:2px solid transparent;margin-bottom:-1px}.tabs button.on{color:var(--ink);border-color:var(--acc)}
.svg-i{width:18px;height:18px;flex:none}
/* sales */
.s-nav{display:flex;align-items:center;gap:24px;padding:18px 40px;max-width:1240px;margin:0 auto;flex-wrap:wrap}
.logo{font-weight:800;font-size:22px;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
.logo .dot{width:26px;height:26px;border-radius:8px;background:var(--acc);display:inline-flex;align-items:center;justify-content:center;color:#fff}
.s-nav nav{display:flex;gap:20px;flex:1;flex-wrap:wrap}.s-nav nav a{color:var(--ink2);text-decoration:none;font-weight:500}
.s-wrap{max-width:1240px;margin:0 auto;padding:0 40px}@media(max-width:700px){.s-wrap,.s-nav{padding-left:18px;padding-right:18px}}
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding:56px 0 72px}@media(max-width:960px){.hero{grid-template-columns:1fr}}
.hero h1{font-size:48px;font-weight:800;letter-spacing:-.025em}@media(max-width:700px){.hero h1{font-size:33px}}
.lead{font-size:18px;color:var(--ink2);margin:18px 0 26px}
.sec{padding:64px 0;border-top:1px solid var(--line)}.sec h2{font-size:34px;font-weight:800;letter-spacing:-.02em;margin-bottom:10px}.sec .sub{color:var(--ink2);font-size:17px;margin-bottom:32px;max-width:760px}
.price{display:flex;flex-direction:column;gap:10px}.price.hl{border:2px solid var(--acc)}.price .p{font-size:28px;font-weight:800}.price ul{margin:0;padding-left:18px;color:var(--ink2);font-size:14px}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}.faq summary{font-weight:600;cursor:pointer;font-size:16px}.faq p{color:var(--ink2);margin:10px 0 0}
.hero-mock{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 20px 50px rgba(20,30,40,.08)}
.steps3{counter-reset:s}.steps3 .card::before{counter-increment:s;content:counter(s);display:inline-flex;width:32px;height:32px;border-radius:50%;background:var(--ink);color:#fff;align-items:center;justify-content:center;font-weight:700;margin-bottom:12px}
footer{padding:36px 0;color:var(--mute);font-size:13px;border-top:1px solid var(--line)}
/* shell */
.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}@media(max-width:960px){.shell{grid-template-columns:1fr}.side{position:static!important;height:auto!important}}
.side{background:#fff;border-right:1px solid var(--line);padding:18px 12px;position:sticky;top:0;height:100vh;overflow:auto;display:flex;flex-direction:column;gap:4px}
.side .logo{padding:4px 10px 14px;font-size:20px}
.side a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;color:var(--ink2);text-decoration:none;font-weight:500;font-size:14px}.side a:hover{background:#F1F2EF}.side a.on{background:var(--accsoft);color:var(--acc2);font-weight:600}
.side .grp{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);padding:14px 10px 4px;font-weight:600}
.side .foot{margin-top:auto;padding:12px 10px;border-top:1px solid var(--line);font-size:13px}
.side.dark{background:#16181D;border-color:#16181D}.side.dark a{color:#C9CDD5}.side.dark a.on,.side.dark a:hover{background:#2A2E37;color:#9FE3D3}.side.dark .logo{color:#fff}.side.dark .foot{border-color:#2A2E37;color:#9AA0AC}.side.dark .grp{color:#7D8390}
.main{padding:24px 32px 64px;min-width:0}@media(max-width:700px){.main{padding:18px}}
.topline{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}.topline h1{font-size:26px;font-weight:700;letter-spacing:-.015em}
.banner{display:flex;gap:12px;align-items:center;padding:12px 16px;border-radius:10px;margin-bottom:18px;flex-wrap:wrap}.banner.w{background:var(--warnsoft);color:#7A3E06;border:1px solid #F3D3A8}.banner.r{background:var(--badsoft);color:#7A1A12;border:1px solid #F2C3BD}.banner.g{background:var(--oksoft);color:#0F5132;border:1px solid #BFE3CF}.banner .sp{flex:1}
/* list posts */
.plist .it{display:grid;grid-template-columns:86px 1fr auto;gap:14px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:10px;align-items:center;cursor:pointer;text-align:left;width:100%}
.plist .it:hover{border-color:#B9BDB5}
.thumb{width:86px;height:86px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:600;text-align:center;padding:6px}
.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prev{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.prev .hd{display:flex;gap:10px;align-items:center;padding:12px}.av{width:36px;height:36px;border-radius:50%;background:var(--acc);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:none}
.prev .bd{padding:0 12px 12px;white-space:pre-wrap;font-size:14px}
.media-ph{display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:13px;text-align:center;padding:16px}
/* chat */
.chat{display:grid;grid-template-columns:1fr 300px;gap:16px}@media(max-width:1000px){.chat{grid-template-columns:1fr}}
.chatbox{background:#fff;border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column;height:calc(100vh - 220px);min-height:520px}
.msgs{flex:1;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:14px}
.msg{max-width:82%;padding:12px 14px;border-radius:14px;white-space:pre-wrap}.msg.u{align-self:flex-end;background:var(--acc);color:#fff;border-bottom-right-radius:4px}.msg.a{align-self:flex-start;background:#F1F2EF;border-bottom-left-radius:4px}
.msg .act{margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;color:var(--ink)}
.composer{border-top:1px solid var(--line);padding:12px;display:flex;gap:8px}
.sugg{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 12px}.sugg button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;cursor:pointer;font-size:13px}
/* studio */
.tool{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff;cursor:pointer;text-align:left;width:100%}.tool.on{border:2px solid var(--acc);background:#FAFDFC}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}@media(max-width:700px){.gal{grid-template-columns:repeat(2,1fr)}}
.gal .im{aspect-ratio:1;border-radius:10px;display:flex;align-items:flex-end;padding:8px;color:#fff;font-size:11px;font-weight:600}
.vt{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:10px}
.vt.on{border:2px solid var(--acc)}
.chart{display:flex;align-items:flex-end;gap:10px;height:170px;padding-top:10px}.chart .c{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}.chart .c i{width:100%;max-width:44px;border-radius:6px 6px 0 0;display:block}.chart .c span{font-size:12px;color:var(--mute)}
.stack{display:flex;flex-direction:column-reverse;width:100%;max-width:44px;height:100%;justify-content:flex-start}
.legend{display:flex;gap:14px;font-size:12px;color:var(--mute);flex-wrap:wrap}.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.notif{display:grid;grid-template-columns:36px 1fr auto;gap:12px;padding:14px;border-bottom:1px solid var(--line);align-items:start}
.notif .ic{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--accsoft);color:var(--acc)}
.notif.unread{background:#FAFDFC}
.qr{width:180px;height:180px;background:#fff;border:1px solid var(--line);border-radius:12px;display:grid;grid-template-columns:repeat(21,1fr);padding:10px}.qr i{background:#16181D}.qr b{background:#fff}
.stp{display:grid;grid-template-columns:34px 1fr;gap:14px;margin-bottom:14px}.stp .n{width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}

/* ===== thêm cho web thật ===== */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 16px}
.auth{width:100%;max-width:420px}.auth h1{font-size:26px;margin:14px 0 6px}
.err{color:var(--bad);font-size:14px;margin:8px 0}.okmsg{color:var(--ok);font-size:14px;margin:8px 0}
.spin{display:inline-block;width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:sp .7s linear infinite;vertical-align:-3px}
@keyframes sp{to{transform:rotate(360deg)}}
.loading{padding:60px;text-align:center;color:var(--mute)}
.pfcard{display:flex;flex-direction:column;gap:10px}.pfcard .hd{display:flex;align-items:center;gap:10px}
.pf.zl{background:#0068FF}
.pill-lg{font-size:13px}
.tryai .msgs{min-height:220px;max-height:380px;border:1px solid var(--line);border-radius:12px;background:#FBFBFA}
.side .me{font-size:13px;color:var(--mute);padding:0 10px 10px;word-break:break-all}
.mobile-top{display:none}
@media(max-width:960px){.side{display:none}.side.open{display:flex;position:fixed!important;inset:0;z-index:90;height:100vh!important}.mobile-top{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:80}}
.btn.ghost.pri{background:var(--acc);color:#fff}
.hero>*{min-width:0}

/* hỗ trợ */
.lh-btn{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;text-decoration:none;color:var(--ink)}
.lh-btn:hover{border-color:var(--m)}.lh-ic{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--b);color:var(--m);flex:none}
.card>.lh-btn{border:none;padding:0}
#htNoi{position:fixed;right:20px;bottom:20px;z-index:95;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.ht-fab{display:flex;align-items:center;gap:8px;border:none;background:var(--acc);color:#fff;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;box-shadow:0 10px 30px rgba(14,107,92,.35)}
.ht-fab:hover{background:var(--acc2)}
.ht-panel{width:360px;max-width:calc(100vw - 40px);background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 20px 50px rgba(20,30,40,.18)}
@media(max-width:700px){#htNoi{right:12px;bottom:12px}.ht-fab span{display:none}.ht-fab{padding:14px}}
.ht-tabs{display:flex;gap:4px;background:#F1F2EF;border-radius:999px;padding:3px}.ht-tabs button{border:none;background:none;border-radius:999px;padding:6px 12px;font-weight:600;font-size:13px;cursor:pointer;color:var(--mute)}.ht-tabs button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.1)}
.ht-msgs{height:340px;max-height:50vh;padding:10px;border:1px solid var(--line);border-radius:12px;background:#FBFBFA;gap:8px}
.ht-msgs .msg{max-width:88%;font-size:14px;padding:9px 12px}
.ht-goiy{display:flex;flex-wrap:wrap;gap:6px}.ht-goiy button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 10px;font-size:12.5px;cursor:pointer;text-align:left}.ht-goiy button:hover{border-color:var(--acc)}
@media(max-width:960px){#htLuoi{grid-template-columns:1fr!important}}

/* ví & chọn gói */
.vi-nho{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;margin:0 -2px 8px;border-radius:10px;background:var(--accsoft);color:var(--acc);text-decoration:none;font-size:13px}
.vi-nho b{font-size:14px}
.cg-modal{max-width:1040px!important;width:calc(100vw - 32px)}
.cg-luoi .price ul{margin:8px 0}
@media(max-width:960px){.cg-luoi{grid-template-columns:1fr 1fr!important}}
@media(max-width:560px){.cg-luoi{grid-template-columns:1fr!important}}

/* tổng quan */
.tq-buoc{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff;display:flex;flex-direction:column;align-items:flex-start}
.tq-buoc.ok{background:var(--oksoft);border-color:transparent}
.tq-so{width:24px;height:24px;flex:0 0 24px;border-radius:99px;background:#E7E9E4;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800}
.tq-buoc.ok .tq-so{background:var(--ok);color:#fff}
.tq-so.lon{width:30px;height:30px;flex-basis:30px;background:var(--accsoft);color:var(--acc2);font-size:14px}
.tq-g{border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;background:#fff}
.tq-g.hl{border:2px solid var(--acc)}
@media (max-width:1200px){.tq-goi{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){.tq-vi>.card{grid-column:auto!important}.tq-goi{grid-template-columns:1fr}}

/* tab nền tảng */
.nt-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.nt-tab{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:99px;padding:6px 12px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;color:inherit}
.nt-tab:hover{border-color:var(--acc)}
.nt-tab.on{border-color:var(--acc);background:var(--accsoft);color:var(--acc2)}

/* ===== hiệu ứng động ===== */
.hu-an{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.2,1)}
.hu-an.hu-hien{opacity:1;transform:none}
.bar>i{transition:width 1s cubic-bezier(.2,.7,.2,1)}
.card.price,.tq-g,.tool,.tq-buoc,.pfcard,.kpi,.hu-so>div{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card.price:hover,.tq-g:hover,.tool:hover,.tq-buoc:hover,.pfcard:hover,.kpi:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(16,24,40,.09)}
.btn{transition:transform .12s ease,background .2s,box-shadow .2s}.btn:active{transform:scale(.97)}
.overlay{animation:huMo .2s ease}.modal{animation:huBat .32s cubic-bezier(.2,.9,.3,1.2)}
.overlay.hu-tinh,.overlay.hu-tinh .modal{animation:none}
@keyframes huMo{from{opacity:0}}@keyframes huBat{from{opacity:0;transform:translateY(16px) scale(.97)}}
.bg-goi .grid{animation:huTruot .35s ease}@keyframes huTruot{from{opacity:0;transform:translateX(14px)}}
.hu-sang{position:relative;animation:huSang 2.4s ease-in-out infinite}
@keyframes huSang{0%,100%{box-shadow:0 0 0 0 rgba(15,107,87,.35)}50%{box-shadow:0 0 0 9px rgba(15,107,87,0)}}
.hu-hero>*{animation:huLen .7s cubic-bezier(.2,.7,.2,1) both}
.hu-hero>*:nth-child(2){animation-delay:.08s}.hu-hero>*:nth-child(3){animation-delay:.16s}.hu-hero>*:nth-child(4){animation-delay:.24s}.hu-hero>*:nth-child(5){animation-delay:.32s}
.hero-mock{animation:huLen .8s .2s cubic-bezier(.2,.7,.2,1) both,huNoi 6s 1s ease-in-out infinite}
@keyframes huLen{from{opacity:0;transform:translateY(22px)}}
@keyframes huNoi{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hu-dai{margin:8px 0 10px}
.hu-so{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.hu-so>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center}
.hu-so b{display:block;font-size:28px;font-weight:800;color:var(--acc)}.hu-so span{font-size:13px;color:var(--mut,#6B7280)}
.hu-bang{overflow:hidden;margin-top:14px;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.hu-bang-trong{display:flex;gap:10px;width:max-content;animation:huChay 28s linear infinite}
.hu-bang:hover .hu-bang-trong{animation-play-state:paused}
@keyframes huChay{to{transform:translateX(-50%)}}
.hu-the{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 14px;font-weight:600;font-size:14px;white-space:nowrap}
.hu-dt{box-shadow:0 18px 50px rgba(16,24,40,.10)}
.hu-chat{display:flex;flex-direction:column;gap:8px;overflow:auto;scroll-behavior:smooth}
.hu-tin{animation:huTin .35s cubic-bezier(.2,.9,.3,1.2)}@keyframes huTin{from{opacity:0;transform:translateY(10px) scale(.96)}}
.hu-go{display:inline-flex;gap:4px;align-items:center;width:max-content;animation:huTin .25s ease}
.hu-go i{width:7px;height:7px;border-radius:99px;background:#9AA3AF;animation:huGo 1s infinite}
.hu-go i:nth-child(2){animation-delay:.15s}.hu-go i:nth-child(3){animation-delay:.3s}
@keyframes huGo{0%,60%,100%{transform:none;opacity:.5}30%{transform:translateY(-4px);opacity:1}}
.hu-cham{display:inline-block;width:8px;height:8px;border-radius:99px;background:var(--ok);margin-right:4px;animation:huNhay 1.6s infinite}
@keyframes huNhay{0%,100%{opacity:1}50%{opacity:.3}}
.sk{border-radius:12px;background:linear-gradient(90deg,#ECEDEA 25%,#F6F7F4 37%,#ECEDEA 63%);background-size:400% 100%;animation:huSk 1.3s ease infinite}
@keyframes huSk{from{background-position:100% 50%}to{background-position:0 50%}}
.hu-phao{position:fixed;inset:0;pointer-events:none;z-index:200}
@media (max-width:900px){.hu-so{grid-template-columns:repeat(2,minmax(0,1fr))}.hu-so b{font-size:22px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.hu-an{opacity:1;transform:none}}

.chan-trang{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;padding:28px 16px 40px;border-top:1px solid var(--line);margin-top:40px;font-size:14px;color:#6B7280}.chan-trang a{color:inherit}.chan-trang .chan-phap{flex-basis:100%;text-align:center;font-size:13px;line-height:1.6}

/* kết nối */
.kn-dong{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 0;border-top:1px solid var(--line)}
.kn-dong:first-child{border-top:0}
.kn-cong{display:inline-flex;align-items:center;gap:6px;font-size:13px;cursor:pointer;white-space:nowrap}
.kn-buoc{padding-left:18px;line-height:1.7;margin:0 0 14px;background:#FBFBFA;border:1px solid var(--line);border-radius:12px;padding:12px 14px 12px 32px}
.kn-buoc code{background:#EEF0EC;padding:1px 5px;border-radius:5px}

/* studio */
.sd-luoi{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}
.sd-models{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.sd-model{display:flex;flex-direction:column;gap:2px;text-align:left;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;cursor:pointer;font:inherit;color:inherit;transition:border-color .15s,transform .15s}
.sd-model:hover{border-color:var(--acc);transform:translateY(-2px)}
.sd-model.on{border:2px solid var(--acc);background:#FAFDFC;padding:9px 11px}
.sd-tong{background:#FBFBFA;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:6px 0 12px;display:flex;flex-direction:column;gap:4px}
.sd-don{display:flex;flex-direction:column;max-height:720px;overflow:auto}
.sd-dong{padding:12px 0;border-top:1px solid var(--line)}.sd-dong:first-child{border-top:0}
.tg-luoi{grid-template-columns:minmax(0,320px) minmax(0,1fr)}
@media (max-width:960px){.sd-luoi,.tg-luoi{grid-template-columns:1fr}}

/* ===== Làm nổi bật khi rê chuột / bàn phím (13/11/2026) =====
   Chỉ bật khi thiết bị thật sự có chuột (không làm kẹt trạng thái hover trên điện thoại).
   Tôn trọng prefers-reduced-motion ở dòng trên (tắt transition). */
.btn,.tabs button,.sugg button,.ht-goiy button,.nt-tab,.sd-model,.tool,.lh-btn,.vi-nho,.kn-dong,.notif,.plist .it,.faq summary,.side a,.chan-trang a,.s-nav nav a,.kn-cong{transition:background-color .15s ease,border-color .15s ease,color .15s ease,box-shadow .18s ease,transform .15s ease}
:is(.btn,.tabs button,.sugg button,.ht-goiy button,.nt-tab,.sd-model,.tool,.lh-btn,.side a,.faq summary,.kn-cong,.vi-nho):focus-visible{outline:2px solid #6FBFAE;outline-offset:2px}
@media (hover:hover){
  /* nút */
  .btn:not([disabled]):hover{border-color:var(--acc);box-shadow:0 3px 10px rgba(16,24,40,.10);transform:translateY(-1px)}
  .btn.pri:not([disabled]):hover{box-shadow:0 6px 16px rgba(14,107,92,.30)}
  .btn.ghost:not([disabled]):hover{background:var(--accsoft);color:var(--acc2)}
  .btn.danger:not([disabled]):hover{background:var(--badsoft);border-color:#F2B8B3;box-shadow:none}
  .btn[disabled]:hover{cursor:not-allowed}
  /* menu bên trái */
  .side a:not(.on):hover{background:var(--accsoft);color:var(--acc2);transform:translateX(2px)}
  .side a:hover svg{color:var(--acc)}
  .vi-nho:hover{box-shadow:0 4px 12px rgba(16,24,40,.10);transform:translateY(-1px)}
  /* tab, gợi ý, chip bấm được */
  .tabs button:not(.on):hover{color:var(--ink);background:#F1F2EF;border-radius:8px 8px 0 0}
  .sugg button:hover,.ht-goiy button:hover{border-color:var(--acc);background:var(--accsoft);color:var(--acc2)}
  .nt-tab:hover{background:var(--accsoft)}
  /* thẻ bấm được */
  .tool:not(.on):hover,.sd-model:hover,.lh-btn:hover{border-color:var(--acc);box-shadow:0 6px 18px rgba(16,24,40,.08);transform:translateY(-2px)}
  .tool.on:hover{box-shadow:0 6px 18px rgba(14,107,92,.14)}
  .card:not(.price):not(.pfcard):not(.kpi):not(.tq-g):not(.tq-buoc):hover{border-color:#CFD3CC}
  /* dòng danh sách và bảng */
  table tbody tr:hover td{background:#F4F8F6}
  .kn-dong:hover,.sd-dong:hover{background:#F6FAF8;box-shadow:-12px 0 0 #F6FAF8,12px 0 0 #F6FAF8}
  .notif:hover{background:#F6FAF8}
  .kn-cong:hover{color:var(--acc2)}
  /* ảnh/thư viện */
  .gal .im{transition:transform .18s ease,box-shadow .18s ease}.gal .im:hover{transform:scale(1.03);box-shadow:0 8px 20px rgba(16,24,40,.18)}
  /* liên kết */
  .main a:not(.btn):not(.lh-btn):not(.vi-nho):hover,.faq a:hover,.s-wrap a:not(.btn):hover{text-decoration:underline;text-underline-offset:3px}
  .chan-trang a:hover,.s-nav nav a:hover{color:var(--acc);text-decoration:underline;text-underline-offset:4px}
  .faq summary:hover{color:var(--acc)}
  details>summary:hover{color:var(--acc)}
  /* bảng giá, nút nổi hỗ trợ */
  .ht-fab:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(14,107,92,.35)}
  .toggle:hover{filter:brightness(.95)}

  /* bảng giá: khung xanh đi theo con trỏ, rời chuột thì về gói Phổ biến */
  .bg-goi .grid:has(.price:hover,.tq-g:hover) :is(.price.hl,.tq-g.hl):not(:hover){border-color:var(--line);box-shadow:none}
  .bg-goi .grid:has(.price:hover,.tq-g:hover) :is(.price.hl,.tq-g.hl):not(:hover) .btn.pri{background:#fff;border-color:var(--line);color:var(--ink)}
  .bg-goi :is(.price,.tq-g):hover{border-color:var(--acc);box-shadow:0 0 0 1px var(--acc),0 10px 28px rgba(14,107,92,.14)}
  .bg-goi :is(.price,.tq-g):hover .btn:not([disabled]){background:var(--acc);border-color:var(--acc);color:#fff}
}

.hu-viec{margin:34px 0 14px}
.hu-viec-luoi{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.hu-viec-the{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px 18px;display:flex;flex-direction:column;gap:8px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.hu-viec-the h3{margin:4px 0 0;font-size:18px}.hu-viec-the p{margin:0;color:var(--ink2);font-size:14px;flex:1}
.hu-viec-the .chip{align-self:flex-start;margin-top:6px}
.hu-viec-ic{width:48px;height:48px;border-radius:14px;background:var(--accsoft);color:var(--acc);display:inline-flex;align-items:center;justify-content:center}
.hu-viec-so{position:absolute;top:16px;right:18px;font-weight:800;font-size:22px;color:#D5DAD2}
@media (hover:hover){.hu-viec-the:hover{border-color:var(--acc);transform:translateY(-3px);box-shadow:0 10px 28px rgba(14,107,92,.14)}.hu-viec-the:hover .hu-viec-ic{background:var(--acc);color:#fff}}
@media (max-width:900px){.hu-viec-luoi{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.hu-viec-luoi{grid-template-columns:1fr}}