/* BizCloud.vn — website giới thiệu SpeedUP Cloud. Tông trắng – đỏ – đen như portal. */
:root{
  --red:#dc2626;        /* trùng --accent của portal */
  --red-logo:#e92d2c;   /* đỏ trong logo SpeedUP */
  --red-dark:#b91c1c;
  --red-soft:#fdecec;
  --ink:#07090a;        /* đen trong logo */
  --ink-2:#1a1c20;
  --fg:#111113;
  --muted:#4a4c52;
  --line:#e4e4e8;
  --bg:#ffffff;
  --bg-2:#f5f5f6;
  --f-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--red);text-decoration:none}
a:hover{color:var(--red-dark)}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}
h1,h2,h3{margin:0;letter-spacing:-.02em;line-height:1.1}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--f-mono);font-size:13px;letter-spacing:.08em;color:var(--red);text-transform:uppercase}
.sec{padding:88px 0}
.sec.alt{background:var(--bg-2)}
.sec.dark{background:var(--ink);color:#fff}
.sec-head{display:flex;flex-direction:column;gap:12px;max-width:760px;margin-bottom:36px}
.sec-head h2{font-size:clamp(30px,4vw,42px);font-weight:800}
.sec-head p{font-size:17px;color:var(--muted)}
.dark .sec-head p{color:#c9c9ce}
.dark .eyebrow{color:#ff5a5f}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 22px;border-radius:6px;font-weight:700;font-size:15px;border:1.5px solid transparent;cursor:pointer;font-family:inherit;transition:background .15s,color .15s,border-color .15s}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark);color:#fff}
.btn-line{border-color:var(--fg);color:var(--fg);background:transparent}
.btn-line:hover{background:var(--fg);color:#fff}
.btn-white{background:#fff;color:var(--fg)}
.btn-white:hover{background:#f0f0f2;color:var(--fg)}
.btn-ghost{border-color:#fff;color:#fff;background:transparent}
.btn-ghost:hover{background:#fff;color:var(--fg)}
.btn-lg{min-height:54px;padding:15px 28px;font-size:16px}

/* Top bar */
.topbar{background:var(--ink);color:#e6e6e8;font-size:13px}
.topbar .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 24px;padding-top:8px;padding-bottom:8px}
.topbar a{color:#fff}
.topbar b{color:#fff}
.topbar .row{display:flex;flex-wrap:wrap;gap:6px 22px;align-items:center}

/* Header */
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;gap:24px;min-height:72px}
.logo{display:flex;align-items:center;gap:12px;color:var(--fg);flex-shrink:0}
.logo img{height:42px;width:auto}
.logo .sub{display:flex;flex-direction:column;line-height:1.1;border-left:1px solid var(--line);padding-left:12px}
.logo .sub b{font-size:17px;font-weight:800}
.logo .sub span{font-size:11px;color:var(--muted);letter-spacing:.06em}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto;font-weight:600;font-size:15px}
.nav > a,.nav > .has-mega > button{color:var(--fg);padding:10px 12px;border-radius:6px;background:none;border:0;font:inherit;cursor:pointer;display:flex;align-items:center;gap:6px}
.nav > a:hover,.nav > .has-mega > button:hover,.nav > .has-mega.open > button{background:var(--bg-2)}
.nav > a.on{color:var(--red)}
.nav .caret{width:10px;height:10px}
.actions{display:flex;gap:10px;align-items:center}
.menu-toggle{display:none;margin-left:auto;background:none;border:1.5px solid var(--fg);border-radius:6px;width:46px;height:46px;cursor:pointer;align-items:center;justify-content:center}

/* Mega menu */
.has-mega{position:static}
.mega{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--line);box-shadow:0 18px 40px rgba(7,9,10,.12)}
.has-mega.open .mega{display:block}
.mega .wrap{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:28px;padding-top:28px;padding-bottom:32px;align-items:start;min-height:0}
.mega .col{display:flex;flex-direction:column;gap:9px}
.mega .code{font-family:var(--f-mono);font-size:12px;color:var(--red)}
.mega .ttl{font-weight:700;font-size:15px;padding-bottom:8px;border-bottom:2px solid var(--fg)}
.mega a{color:#33343a;font-size:14px;font-weight:500}
.mega a:hover{color:var(--red)}

/* Hero */
.hero{padding:72px 0 64px}
.hero .wrap{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.hero .copy{flex:1 1 520px;min-width:0;display:flex;flex-direction:column;gap:24px}
.hero h1{font-size:clamp(38px,5.2vw,58px);font-weight:800;letter-spacing:-.03em;line-height:1.05}
.hero h1 em{font-style:normal;color:var(--red)}
.hero .lead{font-size:19px;color:#44454b;max-width:600px}
.hero .ticks{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:var(--muted)}
.hero .ticks span::before{content:"";display:inline-block;width:8px;height:8px;background:var(--red);border-radius:50%;margin-right:8px;vertical-align:1px}
.row{display:flex;flex-wrap:wrap;gap:12px}
.console{flex:1 1 400px;min-width:0;background:var(--ink);color:#fff;border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:18px}
.console .bar{display:flex;justify-content:space-between;align-items:center;font-family:var(--f-mono);font-size:12px;color:#9a9aa0}
.console .dot{width:10px;height:10px;border-radius:50%;background:var(--red-logo)}
.console h3{font-size:22px}
.console .grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.console .cell{border:1px solid #2f3136;border-radius:8px;padding:14px}
.console .cell small{display:block;font-size:12px;color:#9a9aa0}
.console .cell b{font-size:21px}
.console .foot{border-top:1px solid #2f3136;padding-top:16px;display:flex;justify-content:space-between;align-items:flex-end;gap:12px}
.console .price{font-size:26px;font-weight:800}
.console .price small{font-size:14px;color:#9a9aa0;font-weight:500}

/* Facts strip */
.facts{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding-top:28px;padding-bottom:28px}
.facts b{display:block;font-size:20px;font-weight:800}
.facts span{font-size:14px;color:var(--muted)}

/* Services tabs */
.svc{display:flex;flex-wrap:wrap;gap:32px;align-items:flex-start}
.tabs{flex:1 1 260px;max-width:320px;display:flex;flex-direction:column;gap:6px}
.tab{font:inherit;text-align:left;cursor:pointer;border:0;border-left:4px solid transparent;background:var(--bg-2);color:var(--fg);padding:16px 18px;border-radius:0 8px 8px 0;display:flex;flex-direction:column;gap:2px}
.tab small{font-family:var(--f-mono);font-size:11px;opacity:.75}
.tab b{font-size:16px}
.tab[aria-selected="true"]{background:var(--ink);color:#fff;border-left-color:var(--red-logo)}
.panels{flex:999 1 560px;min-width:0}
.panel{display:none}
.panel.on{display:block}
.panel > p{color:#44454b;margin-bottom:20px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.card{border:1px solid #e0e0e3;border-radius:10px;padding:24px;display:flex;flex-direction:column;gap:12px;background:#fff}
.card .top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.card h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.tag{font-size:12px;font-weight:600;color:var(--fg);background:#f0f0f2;padding:4px 10px;border-radius:99px;white-space:nowrap}
.card p{font-size:15px;color:#44454b;line-height:1.55}
.card .more{font-weight:600;font-size:14px;margin-top:auto}

/* Solutions */
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.sol{background:#fff;border-radius:10px;padding:28px;display:flex;flex-direction:column;gap:12px;border-top:4px solid var(--fg)}
.sol h3{font-size:20px;font-weight:800}
.sol p{font-size:15px;color:#44454b;line-height:1.55}
.sol.dark{background:var(--ink);color:#fff;border-top-color:var(--red-logo)}
.sol.dark p{color:#d0d0d4}
.sol.dark a{color:#fff;font-weight:700;font-size:14px;margin-top:auto}

/* Billing */
.plans{display:flex;flex-wrap:wrap;gap:20px}
.plan{flex:1 1 380px;min-width:0;border:1.5px solid var(--fg);border-radius:12px;padding:32px;display:flex;flex-direction:column;gap:16px}
.plan.hot{border-color:var(--red);background:#fff7f7}
.plan .code{font-family:var(--f-mono);font-size:13px;color:var(--muted)}
.plan.hot .code{color:var(--red)}
.plan h3{font-size:28px;font-weight:800}
.plan p{font-size:15px;color:#44454b}
.plan ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px;font-size:15px}
.plan li::before{content:"—";margin-right:8px;color:var(--red)}
.plan .btn{align-self:flex-start;margin-top:8px}

/* Partner banner */
.pbanner .wrap{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.pbanner .copy{flex:1 1 480px;min-width:0;display:flex;flex-direction:column;gap:20px}
.pbanner h2{font-size:clamp(32px,4vw,44px);font-weight:800}
.pbanner .copy > p{font-size:17px;color:#c9c9ce}
.pstats{flex:1 1 420px;min-width:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.pstat{border:1px solid #2f3136;border-radius:10px;padding:22px}
.pstat b{display:block;font-size:20px;font-weight:800}
.pstat b.big{font-size:34px;color:#ff5a5f}
.pstat span{font-size:14px;color:#c9c9ce}

/* Infra */
.infra .wrap{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.infra .photo{flex:1 1 460px;min-width:0;aspect-ratio:4/3;border-radius:12px;background:#e9e9ec;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px;color:var(--muted);font-size:15px}
.infra .copy{flex:1 1 460px;min-width:0;display:flex;flex-direction:column;gap:18px}
.infra h2{font-size:clamp(30px,4vw,42px);font-weight:800}
.infra .copy > p{font-size:17px;color:#44454b}
.kv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;font-size:15px}
.kv div{border-left:3px solid var(--fg);padding-left:12px}
.kv div.r{border-left-color:var(--red)}
.kv span{display:block;color:var(--muted)}

/* Feature tiles */
.tile{background:#fff;border-radius:10px;padding:24px}
.tile b{display:block;font-size:17px;margin-bottom:8px}
.tile span{font-size:14px;color:#44454b;line-height:1.55;display:block}

/* Lead form */
.contact .wrap{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start}
.contact .copy{flex:1 1 380px;min-width:0;display:flex;flex-direction:column;gap:20px}
.contact h2{font-size:clamp(30px,4vw,42px);font-weight:800}
.contact .copy > p{font-size:17px;color:#c9c9ce}
.contact .line{display:flex;flex-direction:column;gap:4px;border-left:3px solid var(--red-logo);padding-left:14px}
.contact .line small{color:#9a9aa0;font-size:13px}
.contact .line b{font-size:20px;color:#fff}
.form{flex:1 1 520px;min-width:0;background:#fff;color:var(--fg);border-radius:12px;padding:32px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.form .full{grid-column:1 / -1}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:14px;font-weight:600}
.field label i{color:var(--red);font-style:normal}
.field input,.field select,.field textarea{font:inherit;font-size:15px;border:1.5px solid #cfcfd4;border-radius:6px;padding:12px 14px;min-height:46px;background:#fff;color:var(--fg);width:100%}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--fg);box-shadow:0 0 0 3px rgba(220,38,38,.18)}
.field .err{font-size:13px;color:var(--red);min-height:0}
.field.bad input,.field.bad select{border-color:var(--red)}
.seg{display:flex;gap:0;border:1.5px solid var(--fg);border-radius:6px;overflow:hidden}
.seg label{position:relative;flex:1;display:flex;align-items:center;justify-content:center;min-height:44px;cursor:pointer;font-weight:600;font-size:14px;text-align:center;padding:0 10px}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg input:checked + span{color:#fff}
.seg label:has(input:checked){background:var(--fg);color:#fff}
.seg input:focus-visible + span{outline:3px solid var(--red);outline-offset:2px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.5}
.consent input{width:18px;height:18px;margin-top:2px;accent-color:var(--red);flex-shrink:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{border-radius:8px;padding:14px 16px;font-size:15px;display:none}
.form-msg.ok{display:block;background:#ecfdf3;color:#05603a;border:1px solid #abefc6}
.form-msg.bad{display:block;background:var(--red-soft);color:var(--red-dark);border:1px solid #fbc6c6}
.form .btn[disabled]{opacity:.6;cursor:wait}

/* CTA + footer */
.cta{background:var(--red);color:#fff}
.cta .wrap{display:flex;flex-wrap:wrap;gap:24px 32px;align-items:center;justify-content:space-between;padding-top:64px;padding-bottom:64px}
.cta h2{font-size:clamp(28px,3.4vw,38px);font-weight:800;color:#fff}
.cta p{font-size:17px;color:#ffe3e4;margin-top:8px}
.footer{background:var(--ink);color:#c9c9ce;font-size:14px}
.footer .cols{display:flex;flex-wrap:wrap;gap:40px;padding-top:64px;padding-bottom:32px}
.footer .brand{flex:2 1 300px;min-width:0;display:flex;flex-direction:column;gap:10px}
.footer .brand .lg{background:#fff;border-radius:8px;padding:8px 12px;align-self:flex-start;margin-bottom:6px}
.footer .brand .lg img{height:36px;width:auto}
.footer .brand b{color:#fff}
.footer .col{flex:1 1 160px;display:flex;flex-direction:column;gap:10px}
.footer .col h4{margin:0;color:#fff;font-size:15px}
.footer a{color:#c9c9ce}
.footer a:hover{color:#fff}
.footer .copy{border-top:1px solid #24262b;padding-top:18px;padding-bottom:28px;color:#8a8a90;font-size:13px}

/* Partner page bits */
.phero{padding:88px 0 80px}
.phero .wrap{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.phero .copy{flex:1 1 560px;min-width:0;display:flex;flex-direction:column;gap:24px}
.phero h1{font-size:clamp(38px,5.2vw,58px);font-weight:800;letter-spacing:-.03em;line-height:1.05}
.phero h1 em{font-style:normal;color:#ff5a5f}
.phero .copy > p{font-size:19px;color:#c9c9ce;max-width:620px}
.phero .side{flex:1 1 380px;min-width:0;display:flex;flex-direction:column;gap:12px}
.pfact{border:1px solid #2f3136;border-radius:12px;padding:22px 24px;display:flex;gap:20px;align-items:center}
.pfact b{font-size:30px;font-weight:800;line-height:1;min-width:104px;flex-shrink:0}
.pfact b.red{font-size:46px;color:#ff5a5f}
.pfact span{font-size:15px;color:#c9c9ce}
.who{border:1px solid #e0e0e3;border-radius:10px;padding:24px}
.who b{display:block;font-size:18px;margin-bottom:8px}
.who span{font-size:15px;color:#44454b}
.ben{background:#fff;border-radius:10px;padding:24px;display:flex;flex-direction:column;gap:8px}
.ben small{font-family:var(--f-mono);font-size:12px;color:var(--red)}
.ben b{font-size:18px}
.ben span{font-size:15px;color:#44454b;line-height:1.55}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0 24px}
.step{border-top:4px solid var(--fg);padding-top:24px;display:flex;flex-direction:column;gap:10px}
.step:first-child{border-top-color:var(--red)}
.step .n{font-size:40px;font-weight:800;line-height:1}
.step:first-child .n{color:var(--red)}
.step b{font-size:18px}
.step span{font-size:15px;color:#44454b}
.twin{display:flex;flex-wrap:wrap;gap:20px}
.twin > div{flex:1 1 420px;min-width:0;border-radius:12px;padding:32px;display:flex;flex-direction:column;gap:14px;background:#fff}
.twin > div.dk{background:var(--ink);color:#fff}
.twin h3{font-size:26px;font-weight:800}
.twin ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px;font-size:15px;line-height:1.5}
.twin li::before{content:"—";margin-right:8px;color:var(--red)}
.twin .dk li{color:#d0d0d4}
.twin .dk li::before{color:#ff5a5f}
.faq{max-width:880px}
.faq details{border-bottom:1px solid #e0e0e3}
.faq summary{list-style:none;cursor:pointer;padding:20px 0;display:flex;justify-content:space-between;gap:16px;font-weight:700;font-size:18px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--red);font-size:24px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{padding-bottom:20px;color:#44454b}

/* Responsive */
@media (max-width:1100px){
  .mega .wrap{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid4,.facts .wrap{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
}
@media (max-width:960px){
  .menu-toggle{display:flex}
  .nav,.actions{display:none}
  .header.open .wrap{flex-wrap:wrap;padding-bottom:16px}
  .header.open .nav{display:flex;flex-direction:column;align-items:stretch;width:100%;margin:0;order:3}
  .header.open .actions{display:flex;width:100%;order:4}
  .header.open .actions .btn{flex:1}
  .mega{position:static;box-shadow:none;border:0}
  .mega .wrap{grid-template-columns:repeat(2,minmax(0,1fr));padding:12px 0}
  .tabs{max-width:100%;min-width:0;width:100%;flex-direction:row;overflow-x:auto;flex-basis:100%;-webkit-overflow-scrolling:touch}
  .tab{flex:0 0 auto;border-left:0;border-bottom:4px solid transparent;border-radius:8px 8px 0 0}
  .tab[aria-selected="true"]{border-bottom-color:var(--red-logo)}
  .grid3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .sec{padding:64px 0}
  .logo img{height:34px}
  .logo .sub{display:none}
  .grid4,.grid3,.facts .wrap,.steps,.mega .wrap{grid-template-columns:minmax(0,1fr)}
  .form{grid-template-columns:minmax(0,1fr);padding:22px}
  .kv,.pstats{grid-template-columns:minmax(0,1fr)}
  .topbar .hide-sm{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ===================== Ver2: DPC & Colocation immersion ===================== */
.badge-new{display:inline-block;font-family:var(--f-mono);font-size:10px;letter-spacing:.06em;font-weight:500;background:var(--red);color:#fff;padding:2px 6px;border-radius:4px;vertical-align:2px;margin-left:6px}
.mega a.hl{color:var(--fg);font-weight:700}

/* Khối nổi bật trên trang chủ */
.feat2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.fcard{position:relative;border-radius:14px;padding:36px;display:flex;flex-direction:column;gap:16px;overflow:hidden;min-height:420px}
.fcard.dk{background:var(--ink);color:#fff}
.fcard.lt{background:#fff;border:1.5px solid var(--fg)}
.fcard .eyebrow{color:var(--red)}
.fcard.dk .eyebrow{color:#ff5a5f}
.fcard h3{font-size:clamp(26px,2.6vw,34px);font-weight:800}
.fcard > p{font-size:16px;line-height:1.6}
.fcard.dk > p{color:#c9c9ce}
.fcard.lt > p{color:#44454b}
.fcard ul{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;font-size:15px}
.fcard li{display:flex;gap:8px;align-items:flex-start}
.fcard li::before{content:"";flex-shrink:0;width:8px;height:8px;margin-top:8px;background:var(--red-logo);border-radius:2px}
.fcard .row{margin-top:auto}
.fcard .art{display:flex;gap:6px;align-items:flex-end;height:64px}
.fcard .art i{display:block;flex:1;border-radius:4px 4px 0 0}

/* Trang chi tiết dịch vụ */
.crumb{font-size:13px;color:#9a9aa0;display:flex;gap:8px;flex-wrap:wrap}
.crumb a{color:#c9c9ce}
.dhero{padding:72px 0 80px}
.dhero .wrap{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.dhero .copy{flex:1 1 560px;min-width:0;display:flex;flex-direction:column;gap:22px}
.dhero h1{font-size:clamp(36px,5vw,56px);font-weight:800;letter-spacing:-.03em;line-height:1.05}
.dhero h1 em{font-style:normal;color:#ff5a5f}
.dhero .copy > p{font-size:19px;color:#c9c9ce;max-width:620px}
.dhero .side{flex:1 1 380px;min-width:0}
.spec{border:1px solid #2f3136;border-radius:12px;overflow:hidden}
.spec div{display:flex;justify-content:space-between;gap:16px;padding:16px 20px;border-bottom:1px solid #2f3136;font-size:15px}
.spec div:last-child{border-bottom:0}
.spec span{color:#9a9aa0}
.spec b{color:#fff;text-align:right}
.cmp{width:100%;border-collapse:collapse;font-size:15px;min-width:640px}
.cmp th,.cmp td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.cmp thead th{font-size:13px;font-family:var(--f-mono);letter-spacing:.04em;color:var(--muted);font-weight:500;border-bottom:2px solid var(--fg)}
.cmp thead th.hl{color:var(--red)}
.cmp td.hl{background:#fff7f7;font-weight:600}
.cmp tbody th{font-weight:600;width:24%}
.tbl-box{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
.note{font-size:14px;color:var(--muted);line-height:1.55}
.warnbox{border-left:4px solid var(--red);background:#fff7f7;padding:14px 18px;border-radius:0 8px 8px 0;font-size:15px;color:#33343a}

/* Bộ tính tài nguyên DPC */
.calc{display:flex;flex-wrap:wrap;gap:20px;align-items:stretch}
.calc .in{flex:1 1 420px;min-width:0;background:#fff;border:1px solid #e0e0e3;border-radius:12px;padding:28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-content:start}
.calc .in h3,.calc .out h3{grid-column:1/-1;font-size:18px;font-weight:800}
.calc .in .full{grid-column:1/-1}
.calc .field input,.calc .field select{min-height:44px}
.calc .out{flex:1 1 420px;min-width:0;background:var(--ink);color:#fff;border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:16px}
.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.kpi{border:1px solid #2f3136;border-radius:10px;padding:14px}
.kpi small{display:block;font-size:12px;color:#9a9aa0}
.kpi b{display:block;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums}
.kpi em{font-style:normal;font-size:12px;color:#9a9aa0}
.calc .out .safe{border-top:1px solid #2f3136;padding-top:14px;font-size:14px;color:#c9c9ce}
.calc .out .safe b{color:#fff}
.calc .warns{display:flex;flex-direction:column;gap:8px;margin:0;padding:0;list-style:none}
.calc .warns li{font-size:13.5px;line-height:1.5;color:#ffd9da;background:rgba(233,45,44,.14);border-left:3px solid var(--red-logo);padding:8px 12px;border-radius:0 6px 6px 0}
.calc .warns li.err{color:#fff;background:rgba(233,45,44,.35)}

/* Colocation: bể AI Tank */
.tanks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.tank{border:1px solid #e0e0e3;border-radius:12px;padding:26px;display:flex;flex-direction:column;gap:14px;background:#fff}
.tank.big{border:1.5px solid var(--fg)}
.tank h3{font-size:22px;font-weight:800}
.tank .vis{display:grid;gap:3px;padding:10px;background:#0b2a3a;border-radius:6px;height:96px;align-content:end}
.tank .vis i{display:block;height:10px;background:#5fd1ff;opacity:.85;border-radius:2px}
.tank .vis i.sw{background:#ffb648}
.tank dl{margin:0;display:grid;grid-template-columns:1fr auto;gap:6px 12px;font-size:15px}
.tank dt{color:var(--muted)}
.tank dd{margin:0;font-weight:700;text-align:right}
.ways{display:flex;flex-wrap:wrap;gap:20px}
.way{flex:1 1 420px;min-width:0;border-radius:12px;padding:32px;display:flex;flex-direction:column;gap:14px}
.way.a{background:#fff;border:1.5px solid var(--fg)}
.way.b{background:var(--ink);color:#fff}
.way h3{font-size:26px;font-weight:800}
.way .code{font-family:var(--f-mono);font-size:13px;color:var(--muted)}
.way.b .code{color:#ff5a5f}
.way ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px;font-size:15px;line-height:1.5}
.way li::before{content:"—";margin-right:8px;color:var(--red)}
.way.b li{color:#d0d0d4}
.way.b li::before{color:#ff5a5f}
.svc-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.svc-item{background:#fff;border-radius:10px;padding:22px;display:flex;flex-direction:column;gap:8px}
.svc-item small{font-family:var(--f-mono);font-size:11px;color:var(--red);letter-spacing:.04em}
.svc-item b{font-size:17px}
.svc-item span{font-size:14.5px;color:#44454b;line-height:1.55}
.svc-item .unit{margin-top:auto;font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:10px}

@media (max-width:1100px){.tanks,.svc-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:960px){.feat2{grid-template-columns:minmax(0,1fr)}.fcard{min-height:0}}
@media (max-width:640px){
  .tanks,.svc-list,.fcard ul{grid-template-columns:minmax(0,1fr)}
  .calc .in{grid-template-columns:minmax(0,1fr);padding:22px}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fcard{padding:26px}
}

/* Ảnh AI Center 738 (trang chủ, mục Hạ tầng) */
.gallery{flex:1 1 460px;min-width:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.gallery figure{position:relative;margin:0;border-radius:10px;overflow:hidden;background:#e9e9ec}
.gallery .g-main{grid-column:1 / -1}
.gallery img{display:block;width:100%;height:100%;object-fit:cover}
.gallery .g-main img{aspect-ratio:1587/938}
.gallery figure:not(.g-main) img{aspect-ratio:1/1}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 12px 10px;font-size:13px;font-weight:600;color:#fff;background:linear-gradient(to top,rgba(7,9,10,.78),rgba(7,9,10,0))}

/* Bảng giá niêm yết tài nguyên (mục Bảng giá) */
.ratecard{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:8px;max-width:640px}
.ratecard div{border:1.5px solid var(--fg);border-radius:10px;padding:14px 16px;background:#fff}
.ratecard small{display:block;font-family:var(--f-mono);font-size:12px;color:var(--red)}
.ratecard b{display:block;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums}
.ratecard span{font-size:13px;color:var(--muted)}
@media (max-width:640px){.ratecard{grid-template-columns:minmax(0,1fr)}}