/* Trang con sản phẩm – cùng hệ màu, font với trang chủ index.html */
:root{--navy:#0d2b45;--navy2:#0a3d62;--gold:#c59b27;--gold2:#e58e26;--red:#b8161c;--zalo:#0068ff;--bg:#fff;--alt:#f6f8fb;--tx:#1f2933;--mu:#5b6b7a;--bd:#dde3e8;--card:#fff;--ease:cubic-bezier(.2,.7,.2,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font-family:"Be Vietnam Pro","Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.7;color:var(--tx);background:var(--bg)}
a{color:inherit;text-decoration:none}img{max-width:100%}
.c{max-width:1200px;margin:0 auto;padding:0 16px}
section{padding:64px 0}.alt{background:var(--alt)}@media(max-width:700px){section{padding:48px 0}}
h1,h2,h3,h4{color:var(--navy);line-height:1.3;margin:0 0 14px}
h1{font-size:30px}h2{font-size:25.6px;text-transform:uppercase;letter-spacing:.02em}h3{font-size:19px}
@media(max-width:600px){h1{font-size:25px}h2{font-size:21.5px}}
.sh{text-align:center}.sh:after{content:"";display:block;width:90px;height:3px;margin:10px auto 0;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.lead{max-width:860px;margin:0 auto 32px;text-align:center;color:var(--mu)}
p{margin:0 0 12px}.note{font-size:14px;color:var(--mu)}
:focus-visible{outline:3px solid #e0a82e;outline-offset:2px;border-radius:4px}
a,button,summary,[data-pop]{cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border:0;border-radius:8px;background:var(--navy);color:#fff;font-family:inherit;font-size:13px;font-weight:700;line-height:1;letter-spacing:.03em;text-transform:uppercase;transition:background-color .2s var(--ease),color .2s var(--ease)}
.btn:hover{background:var(--navy2)}.btn.gold{background:linear-gradient(#e7c872,#c99f3f);color:#10233a}.btn.gold:hover{background:linear-gradient(#efd488,#d4aa48)}
.btn.zalo{background:var(--zalo)}.btn.zalo:hover{background:#0b5ed7}.btn.ghost{background:transparent;color:var(--navy);border:2px solid var(--navy)}.btn.ghost:hover{background:var(--navy);color:#fff}
/* header */
header{position:fixed;top:0;left:0;right:0;z-index:50;background:#fff;box-shadow:0 1px 6px #0002;transition:background-color .25s var(--ease),box-shadow .25s var(--ease)}
header.scrolled{background:rgba(255,255,255,.72);-webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);box-shadow:0 4px 18px #0d2b451f}
.hb{display:flex;align-items:center;justify-content:space-between;height:72px;gap:10px}
.logo{display:flex;align-items:center;gap:8px}.lg{width:42px;height:42px;border-radius:50%;background:#d71920;display:flex;align-items:center;justify-content:center;flex:none}.lg svg{width:62%;height:62%}
.lt{font-family:Georgia,serif;font-size:27px;line-height:1;display:flex;flex-direction:column;color:var(--gold)}.lt i{font-style:normal;color:var(--red)}
.lt small{font-family:Georgia,serif;font-size:10.5px;color:#a8852a;letter-spacing:.03em;margin-top:4px;padding-top:3px;border-top:1px solid var(--gold);text-align:right}
nav ul{list-style:none;margin:0;padding:0;display:flex}nav li{position:relative}
nav a.t{display:block;padding:26px 10px;font-size:16px;color:#333;text-transform:uppercase;letter-spacing:.02em;white-space:nowrap}nav li:hover>a.t,nav a.on{color:var(--red)}
.dd{display:none;position:absolute;top:100%;left:0;min-width:230px;background:#fff;border-top:3px solid var(--gold);box-shadow:0 8px 20px #0003}nav li:hover .dd,nav li:focus-within .dd{display:block}
.dd a{display:block;padding:10px 16px;font-size:15px}.dd a:hover,.dd a.on{background:#f3f5f7;color:var(--red)}
.hot{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 13px;border-radius:99px;background:var(--red);color:#fff;font-weight:700;font-size:13px}.hot svg{width:18px;height:18px}.hot span{display:none}
@media(min-width:1401px){.hot span{display:inline}.hot{padding:0 18px}}
#bg{display:none;background:none;border:0;color:#1f2933;min-width:44px;min-height:44px}
@media(min-width:901px) and (max-width:1180px){nav a.t{font-size:14px;padding:26px 7px}}
@media(max-width:900px){#bg{display:block}.logo{margin-right:auto}nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;max-height:80vh;overflow:auto;box-shadow:0 8px 20px #0002}nav.o{display:block}nav ul{flex-direction:column}nav a.t{padding:12px 16px}.dd{display:block;position:static;box-shadow:none;border:0;padding-left:14px}}
main{padding-top:72px}
/* breadcrumb + hero sản phẩm */
.crumb{font-size:14px;color:var(--mu);padding:18px 0 0}.crumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}.crumb li:not(:last-child):after{content:"›";margin-left:6px}.crumb a{color:var(--navy2)}.crumb a:hover{text-decoration:underline}
.ph{padding:28px 0 56px;background:linear-gradient(180deg,#fff,var(--alt))}
.phg{display:grid;grid-template-columns:1fr 1.1fr;gap:36px;align-items:center}@media(max-width:900px){.phg{grid-template-columns:1fr}}
.phg>*{min-width:0}.eyb{display:inline-flex;align-items:center;gap:8px;background:#fbf3df;color:#a67c1b;font-weight:700;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;padding:7px 14px;border-radius:99px;margin-bottom:12px}
.eyb:before{content:"";width:8px;height:8px;border-radius:50%;background:#22a05b}
.ph p.sum{font-size:17px;color:#334155}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 22px}.chips span{background:#fff;border:1px solid var(--bd);border-radius:10px;padding:8px 14px;font-size:14px}.chips b{display:block;color:var(--navy);font-size:16px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.phi{margin:0;border-radius:18px;overflow:hidden;box-shadow:0 16px 36px #0d2b4526;background:var(--alt)}.phi img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
/* thẻ loại sản phẩm / giá */
.types{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.ty{background:var(--card);border:1px solid var(--bd);border-top:4px solid var(--gold);border-radius:14px;padding:18px 20px;display:flex;flex-direction:column;gap:4px}
.ty .k{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--mu)}
.ty .a{font-family:Georgia,serif;font-size:26px;color:var(--navy);line-height:1.25;white-space:nowrap}.ty .a small{font-size:14px;color:var(--mu);margin-left:4px}
.ty .p{color:var(--red);font-weight:700}.ty p{margin:6px 0 0;font-size:15px;color:var(--mu)}
.ty.hl{border-top-color:var(--red);box-shadow:0 10px 26px #0d2b451a}
/* bảng */
.sc{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--bd);border-radius:12px;background:#fff}
table{width:100%;border-collapse:collapse;min-width:560px}th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--bd);font-size:16px;vertical-align:top}
th{background:#eef2fb;color:var(--navy);font-size:13px;text-transform:uppercase;letter-spacing:.04em;border-bottom:2px solid #b8892a}
tr:last-child td{border-bottom:0}td:first-child{font-weight:600;width:34%}
.kv td:first-child{color:var(--mu);font-weight:500}.kv td:last-child{font-weight:600;color:var(--navy)}
/* nội dung 2 cột */
.two{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}@media(max-width:900px){.two{grid-template-columns:1fr}}
.two>*{min-width:0}
.box{background:var(--card);border:1px solid var(--bd);border-radius:16px;padding:24px}
.gl{list-style:none;padding:0;margin:10px 0}.gl li{position:relative;padding-left:26px;margin-bottom:10px}.gl li:before{content:"";position:absolute;left:4px;top:.68em;width:9px;height:9px;border-radius:50%;background:var(--gold)}
.ck li:before{width:12px;height:7px;border-radius:0;background:none;border-left:2.5px solid #22a05b;border-bottom:2.5px solid #22a05b;transform:rotate(-45deg);top:.5em}
.floors{display:grid;gap:10px}.floors div{display:grid;grid-template-columns:86px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--bd);border-radius:12px;padding:12px 16px}
.floors b{color:#fff;background:var(--navy);border-radius:8px;text-align:center;padding:4px 0;font-size:14px}
/* phân khu */
.zones{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}@media(max-width:1000px){.zones{grid-template-columns:1fr 1fr}}@media(max-width:560px){.zones{grid-template-columns:1fr}}
.zn{background:#fff;border:1px solid var(--bd);border-top:4px solid var(--z);border-radius:14px;padding:18px}.zn span{display:inline-flex;width:36px;height:36px;border-radius:10px;background:var(--z);color:#fff;font-weight:800;align-items:center;justify-content:center;margin-bottom:8px}
.zn h3{font-size:16.5px;margin-bottom:6px}.zn p{font-size:15px;color:var(--mu);margin:0}
.za{--z:#2f6fb5}.zb{--z:#c0392b}.zc{--z:#7b4fb0}.zd{--z:#2e8b57}
/* FAQ */
details{background:#fff;border:1px solid var(--bd);border-radius:12px;margin-bottom:10px}details[open]{border-left:4px solid #b8892a}
summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;font-weight:600;font-size:16.5px;color:var(--navy)}summary::-webkit-details-marker{display:none}
summary:after{content:"";flex:none;width:10px;height:10px;border-right:2.5px solid #d4a465;border-bottom:2.5px solid #d4a465;transform:rotate(45deg);transition:transform .25s var(--ease)}details[open] summary:after{transform:rotate(-135deg)}
details p{padding:0 20px 14px;margin:0;color:#334155}
/* CTA cuối + sản phẩm khác */
.band{background:linear-gradient(150deg,#0d2b45,#123a6b);color:#fff;border-radius:20px;padding:32px;display:grid;grid-template-columns:1.4fr auto;gap:20px;align-items:center}@media(max-width:800px){.band{grid-template-columns:1fr}}
.band h2{color:#fff;text-transform:none;letter-spacing:0;font-size:24px;margin-bottom:6px}.band p{color:#d6e1ec;margin:0}
/* Sản phẩm khác: lưới 2×2, ảnh lớn; dải giá cố định ở 1/3 dưới ảnh, chỉ ảnh phóng to khi hover */
.others{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}@media(max-width:700px){.others{grid-template-columns:1fr}}
.oc{background:#fff;border:1px solid var(--bd);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.oc .im{position:relative;display:block;overflow:hidden}.oc img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}.oc .im:hover img{transform:scale(1.06)}
.oc .ov{position:absolute;left:0;right:0;bottom:0;height:33.34%;display:flex;flex-direction:column;justify-content:center;padding:0 22px;background:rgba(13,43,69,.86);color:#fff;pointer-events:none}
.oc .ov small{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:#d6e1ec;font-weight:600}.oc .ov b{font-size:clamp(18px,2.2vw,24px);color:#f2d58a;line-height:1.25}
.oc div.b{padding:16px 20px;display:flex;flex-direction:column;gap:4px;flex:1}.oc h3{font-size:18px;margin:0}.oc span{font-size:14px;color:var(--mu)}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.oc a.more{margin-top:auto;font-weight:700;color:var(--navy2);font-size:14px;min-height:36px;display:inline-flex;align-items:center}.oc a.more:after{content:"→";margin-left:6px}
/* footer, nút nổi, popup */
footer{background:var(--navy);color:#cfd8e0;padding:44px 0 0;font-size:14px}footer .g{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}@media(max-width:900px){footer .g{grid-template-columns:1fr 1fr}}@media(max-width:520px){footer .g{grid-template-columns:1fr}}
footer h4{color:#fff;margin:0 0 12px;text-transform:uppercase;font-size:15px;border-bottom:2px solid var(--gold);display:inline-block;padding-bottom:4px}footer a{display:block;padding:3px 0}footer a:hover{color:var(--gold)}footer p{margin:6px 0}
.bot{text-align:center;border-top:1px solid #ffffff22;margin-top:30px;padding:16px;color:#9fb0bf}
.fl{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:10px;z-index:60}
.fl a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px;box-shadow:0 3px 10px #0006;transition:transform .2s var(--ease)}.fl a:hover{transform:scale(1.06)}
.fl svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.fl .ph1{background:#d71920;animation:pu 1.4s infinite}.fl .z{background:var(--zalo)}.fl .ch{background:var(--gold)}
@keyframes pu{0%{box-shadow:0 0 0 0 #d7192099}100%{box-shadow:0 0 0 16px #d7192000}}
.mbar{display:none}
@media(max-width:600px){.fl{bottom:calc(76px + env(safe-area-inset-bottom,0px))}.fl .ph1{display:none}.mbar{display:flex;position:fixed;left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom,0px));z-index:59;min-height:52px;align-items:center;justify-content:center;background:var(--red);color:#fff;font-weight:800;font-size:17px;border-radius:12px;box-shadow:0 6px 18px #0006}footer{padding-bottom:70px}}
.pop{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:16px;overflow:auto}.pop[hidden]{display:none}
.pbox{position:relative;background:#243f78;color:#fff;border-radius:24px;max-width:560px;width:100%;padding:40px 34px 28px;text-align:center;box-shadow:0 20px 60px #0008}
.px{position:absolute;top:10px;right:12px;width:44px;height:44px;background:none;border:0;color:#fff;font-size:34px;line-height:1;border-radius:50%}.px:hover{background:#ffffff1f}
.pbox h3{color:#fff;font-size:28px;margin:0}.pl{display:block;width:72px;height:4px;background:linear-gradient(90deg,#e0c06a,#b88a2a);margin:12px auto 14px;border-radius:2px}
.pbox p{margin:0 0 16px}.pbox input{width:100%;padding:15px 20px;border-radius:14px;border:0;font-size:16px;margin-bottom:14px;font-family:inherit}
.pbox label,.pq{display:block;text-align:left;font-weight:700;margin:4px 0 8px}
.pb{background:linear-gradient(120deg,#e7c872,#b88a2a);color:#1a2b4a;border:0;border-radius:12px;padding:14px 26px;font-family:inherit;font-size:14px;font-weight:700;line-height:1;text-transform:uppercase;letter-spacing:.03em;box-shadow:0 6px 16px #0004}
.pm{margin-top:12px;font-weight:600;color:#bff0cf;min-height:20px}.pm a{color:inherit;text-decoration:underline}.pbox small{display:block;text-align:left;margin-top:16px;font-size:14px;font-weight:600}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
button[disabled]{opacity:.7;cursor:progress}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Trang bảng giá + trang phân khu */
.zn a.more{display:inline-flex;align-items:center;min-height:40px;margin-top:6px;font-weight:700;font-size:14px;color:var(--z)}.zn a.more:after{content:"→";margin-left:6px}
.zn.cur{box-shadow:0 0 0 2px var(--z) inset}
tr.grp th{background:var(--navy);color:#fff;border-bottom:0;font-size:13.5px}
tbody tr:nth-child(even) td{background:#fafbfc}tr.hl td{background:#fff8e1!important;font-weight:600}
td a.lk{color:var(--navy2);font-weight:700;white-space:nowrap}td a.lk:after{content:" →"}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.tags span{background:#fff;border:1px solid var(--bd);border-radius:99px;padding:6px 14px;font-size:14.5px}
.mapfig{margin:0;border-radius:18px;overflow:hidden;border:1px solid var(--bd);box-shadow:0 16px 36px #0d2b4526;background:#eef2f7}.mapfig a{display:block;cursor:zoom-in}.mapfig img{display:block;width:100%;height:auto}
.mapfig figcaption{font-size:13px;font-style:italic;color:var(--mu);background:#fff;padding:8px 14px;border-top:1px solid var(--bd)}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media(max-width:900px){.cards3{grid-template-columns:1fr}}
.kc{background:#fff;border:1px solid var(--bd);border-top:4px solid var(--gold);border-radius:14px;padding:18px 20px}.kc b{display:block;font-family:Georgia,serif;font-weight:400;font-size:26px;color:var(--navy)}.kc span{font-size:14px;color:var(--mu)}
img.lg{background:none;border-radius:0;object-fit:contain}
/* Menu chung 8 mục (thêm Quy hoạch cấp 1) */
@media(min-width:1181px){nav a.t{font-size:15px;padding:26px 8px}}
@media(min-width:901px) and (max-width:1180px){nav a.t{font-size:13.5px;padding:26px 5px}}
@media(min-width:901px) and (max-width:1060px){nav li:first-child{display:none}nav a.t{font-size:13px;padding:26px 4px}}
@media(max-width:480px){.pbox{padding-left:20px;padding-right:20px}.pb{width:100%;padding:14px 10px;letter-spacing:.01em;white-space:nowrap}}