/* Phong Cách Nội Thất · Trắng #FFFFFF, chữ #111111, ô liu #5F7A3D, xám #EDEDEA. Font Plus Jakarta Sans. */
:root{
  --bg:#FFFFFF;
  --ink:#111111;
  --muted:#5C5C57;
  --olive:#5F7A3D;
  --olive-d:#4C6330;
  --olive-l:#B7C59F;
  --olive-t:#F1F4EC;
  --gray:#EDEDEA;
  --line:#DEDED9;
  --flag-bg:#FEF3C7;
  --flag-fg:#92400E;
  --r:12px;
  --hh:64px;
  --font:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--hh) + 16px)}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--font);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--olive);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:1392px;margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px;text-decoration:none}
.skip:focus{top:12px}

/* Nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:999px;border:1.5px solid transparent;font-weight:600;font-size:15px;text-decoration:none;transition:background-color .2s,border-color .2s,color .2s}
.btn--olive{background:var(--olive);color:#fff}
.btn--olive:hover{background:var(--olive-d)}
.btn--line{background:#fff;border-color:var(--line);color:var(--ink)}
.btn--line:hover{border-color:var(--ink)}
.linkbtn{background:none;border:0;padding:4px 0;font-weight:600;font-size:14px;color:var(--olive);text-decoration:underline;text-underline-offset:3px}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid transparent;transition:border-color .2s}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.header__in{display:flex;align-items:center;gap:24px;height:calc(var(--hh) - 1px)}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand__name{font-weight:700;font-size:18px;letter-spacing:-.02em;white-space:nowrap}
.brand__name b{color:var(--olive);font-weight:700}

/* Hero */
.hero{padding:36px 0 24px}
.hero__in{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;align-items:end}
.hero h1{font-size:clamp(34px,4.4vw,60px);letter-spacing:-.035em;line-height:1.04;max-width:14ch}
.hero__lead{font-size:18px;line-height:1.55;max-width:46ch}
.hero__note{margin-top:12px;font-size:14px;color:var(--muted)}

/* Bộ lọc */
.filters{position:sticky;top:var(--hh);z-index:40;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.filters__in{display:grid;grid-template-columns:auto 1fr;grid-template-areas:"s st" "r st";column-gap:32px;row-gap:10px;padding-top:14px;padding-bottom:14px;align-items:center}
.frow{display:flex;align-items:center;gap:14px;min-width:0}
.frow:first-child{grid-area:s}
.frow:nth-child(2){grid-area:r}
.frow__lb{width:86px;flex-shrink:0;font-size:13px;font-weight:600;color:var(--muted)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px 0 16px;border-radius:999px;border:1.5px solid transparent;background:var(--gray);font-size:15px;font-weight:500;white-space:nowrap;transition:background-color .2s,color .2s,border-color .2s}
.chip:hover{border-color:var(--ink)}
.chip__n{font-size:12px;font-weight:600;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:#fff;color:var(--muted);display:inline-flex;align-items:center;justify-content:center}
.chip[aria-pressed="true"]{background:var(--olive);color:#fff}
.chip[aria-pressed="true"] .chip__n{background:rgba(255,255,255,.2);color:#fff}
.chip.is-zero:not([aria-pressed="true"]){color:var(--muted)}
.filters__status{grid-area:st;justify-self:end;text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:2px}
#lib-status{font-size:14px;font-weight:600;white-space:nowrap}

/* Mosaic */
.library{padding-bottom:56px}
.mosaic{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:16px;row-gap:16px;padding-top:24px;align-items:start}
.mosaic.is-masonry{grid-auto-rows:6px;row-gap:0}
.tile{min-width:0;position:relative}
.tile[hidden]{display:none}
.tile__btn{display:block;width:100%;padding:0;border:0;background:none;text-align:left;border-radius:var(--r)}
.frame{position:relative;display:block;overflow:hidden;border-radius:var(--r);background:var(--gray);aspect-ratio:var(--ar,4/3)}
.frame img{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:cover;object-position:var(--x,50%) 50%;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.tile__tag{position:absolute;left:12px;top:12px;max-width:calc(100% - 24px);background:#fff;color:var(--ink);font-size:13px;font-weight:600;padding:6px 12px;border-radius:999px;box-shadow:0 2px 10px rgba(0,0,0,.12);opacity:0;transform:translateY(-6px);transition:opacity .25s,transform .25s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile__btn:hover .frame img,.tile__btn:focus-visible .frame img{transform:scale(1.045)}
.tile__btn:hover .tile__tag,.tile__btn:focus-visible .tile__tag{opacity:1;transform:none}
.tile__cap{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:36px 14px 11px;font-size:14px;line-height:1.35;color:#fff;background:linear-gradient(to top,rgba(10,10,10,.82) 0,rgba(10,10,10,.68) 60%,rgba(10,10,10,0) 100%);border-radius:0 0 var(--r) var(--r);pointer-events:none}
.tile__cap b{font-weight:600}
.tile__cap>span{color:rgba(255,255,255,.88);font-size:13px;white-space:nowrap}
.tile__cap .is-3d{color:#fff;font-weight:700;font-size:12px;background:var(--olive);padding:2px 9px;border-radius:999px}
.tile.is-enter{animation:tileIn .35s ease-out both}
@keyframes tileIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* Trạng thái rỗng */
.empty{margin:40px auto 0;max-width:620px;text-align:center;padding:40px 28px;border:1.5px dashed var(--line);border-radius:20px}
.empty svg{margin:0 auto 16px}
.empty__t{font-size:22px;font-weight:700;letter-spacing:-.02em}
.empty__d{margin-top:8px;color:var(--muted);font-size:15px}
.empty__acts{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}

/* Tiêu đề khối */
.sec-head{display:grid;gap:10px;margin-bottom:28px;max-width:640px}
.sec-head h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.03em}
.sec-head p{color:var(--muted)}
.sec-head--row{max-width:none;grid-template-columns:auto 1fr;align-items:end;gap:32px}
.sec-head--row p{justify-self:end;text-align:right;max-width:44ch}

/* Theo phòng */
.rooms{padding:64px 0;border-top:1px solid var(--line)}
.rooms__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.room__btn{display:block;position:relative;width:100%;padding:0;border:0;background:none;text-align:left;border-radius:16px;overflow:hidden}
.room .frame{border-radius:16px}
.room__btn::after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(to top,rgba(10,10,10,.8) 0,rgba(10,10,10,.66) 40%,rgba(10,10,10,0) 100%);pointer-events:none}
.room__txt{position:absolute;left:20px;right:20px;bottom:18px;z-index:1;color:#fff;display:grid;gap:4px}
.room__name{font-size:26px;font-weight:700;letter-spacing:-.02em;line-height:1.1}
.room__n{font-size:14px;font-weight:500;opacity:.92}
.room__btn:hover .frame img,.room__btn:focus-visible .frame img{transform:scale(1.045)}

/* Bài mới */
.posts{padding:64px 0;border-top:1px solid var(--line)}
.posts__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 20px}
.post a{display:grid;gap:8px;text-decoration:none}
.post .frame{margin-bottom:6px}
.post a:hover .frame img,.post a:focus-visible .frame img{transform:scale(1.04)}
.post__cat{font-size:13px;font-weight:600;color:var(--olive)}
.post__meta{font-size:13px;color:var(--muted)}
.post__3d{position:absolute;right:10px;top:10px;background:#fff;color:var(--ink);font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px}
.post--lead{grid-column:span 2;grid-row:span 2}
@media (max-width:1160px){.post--wide{grid-column:span 2}
.post--wide a{grid-template-columns:1.1fr 1fr;column-gap:20px;align-content:start}
.post--wide .frame{grid-row:span 4;margin:0}}

/* Chuyên mục */
.cats{padding:64px 0;background:var(--olive-t)}
.cats__in{display:grid;gap:28px}
.cats h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.03em}
.cats__list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 18px}
.cats__list a{display:grid;gap:4px;text-decoration:none}
.cats__list .frame{margin-bottom:8px}
.cats__list a:hover .frame img,.cats__list a:focus-visible .frame img{transform:scale(1.04)}
.cats__name{font-size:19px;font-weight:700;letter-spacing:-.015em}
.cats__desc{font-size:15px;color:var(--muted)}

/* Tác giả */
.authors{padding:64px 0}
.authors__in{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:56px;align-items:start}
.authors h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.03em;margin-bottom:14px}
.authors__intro>p{max-width:56ch}
.authors__links{margin-top:16px;font-weight:600;font-size:15px}
.authors__links a{color:var(--olive);text-underline-offset:3px}
.people{display:grid;gap:12px}
.person{display:flex;gap:16px;align-items:center;padding:16px 18px;border:1px solid var(--line);border-radius:14px}
.person__ini{flex-shrink:0;width:52px;height:52px;border-radius:50%;border:1.5px solid var(--olive);color:var(--olive);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.person__name{font-weight:700;font-size:17px}
.person__role{font-size:14px;color:var(--muted)}

/* Đăng ký */
.signup{padding:0 0 80px}
.signup__box{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:40px;align-items:center;padding:40px 44px;border-radius:24px;background:var(--gray)}
.signup h2{font-size:clamp(26px,2.6vw,34px);letter-spacing:-.03em;margin-bottom:10px}
.signup__txt p{color:var(--muted)}
.field__lb{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field__row{display:flex;gap:10px}
.field__row input{flex:1;min-width:0;height:48px;padding:0 16px;border:1.5px solid #CFCFC9;border-radius:999px;background:#fff;font:inherit;font-size:16px;color:var(--ink)}
.field__row input:focus{outline:none;border-color:var(--olive);box-shadow:0 0 0 3px rgba(95,122,61,.2)}
.field__row input[aria-invalid="true"]{border-color:#C62828}
.field__row .btn{min-height:48px}
.consent{display:flex;gap:10px;align-items:flex-start;margin-top:14px;font-size:14px;line-height:1.5;color:#2A2A28}
.consent input{width:18px;height:18px;margin:2px 0 0;flex-shrink:0;accent-color:var(--olive)}
.consent a{color:var(--olive-d);font-weight:600}
.form-msg{margin-top:10px;font-size:14px;font-weight:600;min-height:1.5em}
.form-msg.is-err{color:#C62828}
.form-msg.is-ok{color:#2E7D32}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:56px 0 96px}
.footer__in{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);gap:40px}
.footer__brand p{margin-top:14px;color:var(--muted);max-width:42ch;font-size:15px}
.footer__h{font-size:14px;font-weight:700;letter-spacing:0;margin-bottom:12px}
.footer__col li+li{margin-top:6px}
.footer__col a{font-size:15px;color:var(--muted);text-decoration:none}
.footer__col a:hover{color:var(--ink);text-decoration:underline}
.footer__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}

/* Lightbox (nền sáng, giữ đúng chủ đề trắng) */
.lb{position:fixed;inset:0;z-index:100;background:#fff;display:flex;flex-direction:column;opacity:0;transition:opacity .2s}
.lb[hidden]{display:none}
.lb.is-open{opacity:1}
.lb__top{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;flex-shrink:0}
.lb__count{font-size:14px;font-weight:600;color:var(--muted)}
.lb__close,.lb__nav{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;border:0;background:var(--gray);color:var(--ink);transition:background-color .2s}
.lb__close:hover,.lb__nav:hover{background:#DCDCD7}
.lb__body{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px;padding:0 28px 28px}
.lb__stage{position:relative;min-height:0;display:flex;align-items:center;justify-content:center;gap:16px}
.lb__frame{position:relative;overflow:hidden;border-radius:14px;background:var(--gray);aspect-ratio:var(--ar,3/2);width:min(100%,calc((100vh - 120px) * var(--arn,1.5)));max-height:100%}
.lb__frame img{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:cover}
.lb__frame.is-swap{animation:lbSwap .28s ease-out}
@keyframes lbSwap{from{opacity:.5}to{opacity:1}}
.lb__nav{flex-shrink:0}
.lb__info{overflow-y:auto;padding:4px 4px 8px 0}
.lb__type{display:inline-block;font-size:12px;font-weight:700;color:var(--olive);background:var(--olive-t);padding:3px 10px;border-radius:999px}
.lb__type.is-3d{background:var(--olive);color:#fff}
.lb__title{margin-top:12px;font-size:26px;letter-spacing:-.025em}
.lb__place{margin-top:4px;color:var(--muted);font-size:15px}
.lb__dl{margin:20px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.lb__dl dt{font-size:12px;font-weight:600;color:var(--muted)}
.lb__dl dd{margin:2px 0 0;font-weight:600;font-size:15px}
.lb__h{margin-top:22px;font-size:14px;font-weight:700;letter-spacing:0}
.lb__mats{margin-top:8px;display:grid;gap:6px}
.lb__mats li{position:relative;padding-left:18px;font-size:15px;line-height:1.45}
.lb__mats li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:2px;background:var(--olive)}
.lb__sw{margin-top:10px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.lb__sw li{font-size:12px;line-height:1.35}
.lb__sw i{display:block;height:56px;border-radius:10px;border:1px solid #85857F;margin-bottom:6px}
.lb__sw b{display:block;font-weight:600;font-size:13px}
.lb__sw span{color:var(--muted);font-variant-numeric:tabular-nums}
.lb__hint{margin-top:10px;font-size:12px;color:var(--muted)}

/* Hiện dần khi cuộn */
.js [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .5s ease-out,transform .5s ease-out}
.js [data-reveal].is-in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media (max-width:1160px){
  .mosaic{grid-template-columns:repeat(3,minmax(0,1fr))}
  .posts__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .post--lead{grid-column:span 3;grid-row:auto}
  .post--lead a{grid-template-columns:1.3fr 1fr;column-gap:28px;align-items:center}
  .post--lead .frame{grid-row:span 3;margin:0}
  .lb__body{grid-template-columns:minmax(0,1fr) 320px}
}
@media (max-width:1023px){
  .hero__in{grid-template-columns:1fr;gap:16px}
  .hero h1{max-width:18ch}
  .filters__in{grid-template-columns:1fr;grid-template-areas:"s" "r" "st"}
  .filters__status{justify-self:start;flex-direction:row;align-items:center;gap:14px}
  .rooms__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rooms .frame{aspect-ratio:4/5}
  .cats__in,.authors__in{grid-template-columns:1fr;gap:28px}
  .lb__body{display:block;overflow-y:auto;padding:0 16px 24px}
  .lb__stage{display:block}
  .lb__info{margin-top:20px}
  .lb__frame{width:100%;max-height:none}
  .lb__nav{position:absolute;top:50%;transform:translateY(-50%);z-index:2;background:rgba(255,255,255,.92);box-shadow:0 2px 10px rgba(0,0,0,.12)}
  .lb__nav--prev{left:10px}
  .lb__nav--next{right:10px}
  .lb__info{overflow:visible}
  .signup__box{grid-template-columns:1fr;gap:24px;padding:32px 28px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .hero{padding:28px 0 20px}
  .hero__in{grid-template-columns:1fr;gap:14px}
  .hero__lead{font-size:16px}
  .brand__name{font-size:17px}
  .filters{position:static}
  .filters__in{padding-top:10px;padding-bottom:10px;row-gap:8px}
  .frow{display:block}
  .frow__lb{display:block;width:auto;margin-bottom:4px;font-size:12px}
  .chips{flex-wrap:nowrap;overflow-x:auto;margin:0 -16px;padding:0 16px 2px;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{height:36px;font-size:14px;padding:0 12px 0 14px}
  .mosaic{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:10px;padding-top:16px}
  .tile__cap{display:block;font-size:12.5px;padding:28px 9px 8px}
  .tile__cap>span{display:inline-block;margin-top:2px;font-size:11.5px}
  .tile__tag{display:none}
  .rooms,.posts,.cats,.authors{padding:52px 0}
  .rooms__grid{gap:10px}
  .room__txt{left:12px;right:12px;bottom:10px}
  .room__name{font-size:18px}
  .room__n{font-size:12px}
  .sec-head--row{grid-template-columns:1fr;gap:8px}
  .sec-head--row p{justify-self:start;text-align:left}
  .posts__grid{grid-template-columns:1fr 1fr;gap:24px 12px}
  .post a{gap:5px}
  .post--lead{grid-column:span 2}
  .post--lead a{grid-template-columns:1fr}
  .post--lead .frame,.post--wide .frame{grid-row:auto;margin-bottom:6px}
  .post--wide a{grid-template-columns:1fr}
  .cats__list{grid-template-columns:1fr 1fr;gap:22px 12px}
  .cats__name{font-size:16px}
  .cats__desc{font-size:13px}
  .field__row{flex-direction:column}
  .signup__box{padding:26px 18px;border-radius:18px}
  .footer__in{grid-template-columns:1fr 1fr;gap:28px}
  .footer__brand{grid-column:span 2}
  .lb__top{padding:10px 12px}
  .lb__title{font-size:22px}
}
@media (hover:none){
  .tile__tag{display:none}
}

/* Tôn trọng người dùng tắt chuyển động */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .frame img{transform:none!important}
  .js [data-reveal]{opacity:1;transform:none}
}
@media (min-width:1600px){.mosaic{grid-template-columns:repeat(4,minmax(0,1fr))}}

/* ===== Khối bổ sung: nhãn, chân trang, hộp ảnh ===== */
html.khoa-cuon,html.khoa-cuon body{overflow:hidden}
.tile__btn,.room__btn,.mo-anh{color:inherit;text-decoration:none}
.tile__cap{pointer-events:none}
.mo-anh{display:block;border-radius:var(--r)}
.mo-anh:hover .frame img,.mo-anh:focus-visible .frame img{transform:scale(1.03)}
.lien-xanh{color:var(--olive-d);font-weight:600;text-underline-offset:3px}

/* Menu dính */
.brand{color:var(--ink);min-height:44px}
.mn{margin-left:auto;min-width:0}
.mn__ds{display:flex;align-items:center;gap:2px}
.mn__muc{position:relative}
.mn__tren{display:inline-flex;align-items:center;gap:5px;height:44px;padding:0 10px;border-radius:8px;font-size:15px;font-weight:500;color:var(--ink);text-decoration:none;white-space:nowrap;transition:background-color .15s}
.mn__tren:hover,.mn__muc:focus-within>.mn__tren{background:var(--gray)}
.mn__tren.is-on{color:var(--olive-d);font-weight:700;box-shadow:inset 0 -2px 0 var(--olive)}
.mn__mui{transition:transform .15s}
.mn__muc:hover .mn__mui,.mn__muc:focus-within .mn__mui{transform:rotate(180deg)}
.mn__xo{position:absolute;left:0;top:100%;min-width:232px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 30px rgba(0,0,0,.1);opacity:0;visibility:hidden;transform:translateY(4px);transition:opacity .15s,transform .15s,visibility .15s}
.mn__muc:hover .mn__xo,.mn__muc:focus-within .mn__xo{opacity:1;visibility:visible;transform:none}
.mn__xo a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:8px;font-size:15px;text-decoration:none}
.mn__xo a:hover{background:var(--gray)}
.mn__xo a[aria-current]{color:var(--olive-d);font-weight:700}
.dau__phai{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nut-tron{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:0;background:none;color:var(--ink)}
.nut-tron:hover{background:var(--gray)}
.nut-tron--xam{background:var(--gray)}
.dau__nhan{min-height:40px;padding:0 16px;font-size:14px;white-space:nowrap}
.nut-ngan{display:none;align-items:center;gap:8px;height:44px;padding:0 14px;border:0;border-radius:999px;background:var(--gray);font-size:14px;font-weight:600}
.nut-ngan__gach,.nut-ngan__gach::before,.nut-ngan__gach::after{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nut-ngan__gach::before,.nut-ngan__gach::after{content:"";position:absolute;left:0}
.nut-ngan__gach::before{top:-5px}.nut-ngan__gach::after{top:5px}
.ngan{position:fixed;inset:0;z-index:120;background:#fff;display:flex;flex-direction:column}
.ngan[hidden]{display:none}
.ngan__dau{display:flex;align-items:center;justify-content:space-between;height:var(--hh);padding:0 16px;border-bottom:1px solid var(--line);flex-shrink:0}
.ngan__than{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:12px 16px 72px}
.ngan__than a{display:flex;align-items:center;min-height:44px;font-size:16px;text-decoration:none}
.ngan__than a[aria-current]{color:var(--olive-d);font-weight:700}
.ngan__chinh a{font-size:19px;font-weight:700}
.ngan__nhom{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.ngan__ten{font-size:14px;font-weight:700;color:var(--muted);margin-bottom:2px}
@media (min-width:640px){.ngan__than{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}.ngan__chinh{grid-column:span 2}}
@media (max-width:1240px){.mn__tren{padding:0 7px;font-size:14px}.dau__nhan{padding:0 12px}}
@media (max-width:1100px){.mn,.dau__nhan{display:none}.nut-ngan{display:inline-flex}.dau__phai{margin-left:auto}html:not(.js) .nut-ngan{display:none}html:not(.js) .ngan[hidden]{display:block;position:static}html:not(.js) .ngan__dau{display:none}}
@media (max-width:767px){:root{--hh:56px}.brand__name{font-size:16px}.brand__mark{width:24px;height:24px}.nut-ngan{padding:0 12px}.dau__phai{gap:2px}}


/* Dùng chung trang con */
.lo-trinh{font-size:14px;color:var(--muted);margin-bottom:14px}
.lo-trinh ol{display:flex;flex-wrap:wrap;gap:0 6px;margin:0;padding:0;list-style:none}
.lo-trinh li+li::before{content:"/";margin-right:6px;color:#A9A9A3}
.lo-trinh a{text-underline-offset:3px}
.lo-trinh a{display:inline-block;padding:2px 0}
.hinh{margin:0}
.hinh figcaption{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.45}
.ghi-kho{margin-top:20px;padding:14px 16px;background:var(--olive-t);border-radius:10px;font-size:15px;color:#3A3A36}
.sau-kho{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px}
.sau-kho__ds{font-size:15px;color:var(--muted)}
.sau-kho__ds a{color:var(--ink);font-weight:600;text-underline-offset:3px}
.bang-cuon{overflow-x:auto;border:1px solid var(--line);border-radius:12px;-webkit-overflow-scrolling:touch}
.bang{width:100%;min-width:560px;border-collapse:collapse;font-size:15px;line-height:1.45}
.bang th,.bang td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.bang thead th{background:var(--gray);font-weight:700;font-size:14px;white-space:nowrap}
.bang tbody tr:last-child>*{border-bottom:0}
.bang tbody th{font-weight:600}
.bang a{color:var(--olive-d);text-underline-offset:3px}
.o-mau{display:inline-block;width:16px;height:16px;border-radius:4px;border:1px solid #85857F;margin-right:7px;vertical-align:-3px}
.ma-mau{display:block;margin-left:23px;font-size:13px;color:var(--muted)}
.ds-bai{display:grid;gap:0;border-top:1px solid var(--line)}
.ds-bai a{display:grid;gap:2px;padding:14px 0;border-bottom:1px solid var(--line);text-decoration:none}
.ds-bai a:hover .ds-bai__ten{text-decoration:underline;text-underline-offset:3px}
.ds-bai__muc{font-size:13px;font-weight:600;color:var(--olive-d)}
.ds-bai__ten{font-size:17px;font-weight:600;line-height:1.35}
.so-canh{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.so-canh__nhan{font-size:14px;font-weight:700;margin-bottom:8px}
.o-nhap{display:block;width:100%;min-height:48px;padding:10px 14px;border:1.5px solid #CFCFC9;border-radius:12px;background:#fff;font:inherit;font-size:16px;color:var(--ink)}
.o-nhap:focus{outline:none;border-color:var(--olive);box-shadow:0 0 0 3px rgba(95,122,61,.2)}
.post__ten{font-size:17px;line-height:1.35;letter-spacing:-.01em;font-weight:600}
.post--lead .post__ten{font-size:clamp(22px,2.2vw,30px);line-height:1.2;letter-spacing:-.025em;font-weight:700}
.post a:hover .post__ten{text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:3px}
.lb__hoso a{display:inline-flex;align-items:center;min-height:44px;margin-top:8px;color:var(--olive-d);font-weight:600;text-underline-offset:3px}
.lb__title{font-weight:700;line-height:1.15}
.lb__h{letter-spacing:0}

/* Thư viện toàn bộ */
.tv-dau{padding-top:24px;padding-bottom:20px}
.tv-dau__in{display:grid;grid-template-columns:auto minmax(0,1fr);gap:48px;align-items:end}
.tv-dau h1{font-size:clamp(32px,4vw,52px);letter-spacing:-.035em;white-space:nowrap}
.tv-dau p{max-width:64ch;color:var(--muted);font-size:16px}
.phan-trang{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:32px}
.phan-trang[hidden]{display:none}
.pt-nut{min-width:44px;min-height:44px;padding:0 14px;border:1.5px solid var(--line);border-radius:999px;background:#fff;font-weight:600;font-size:15px}
.pt-nut:hover:not(:disabled){border-color:var(--ink)}
.pt-nut.is-on{background:var(--olive-d);border-color:var(--olive-d);color:#fff}
.pt-nut:disabled{color:#9A9A95;cursor:default}
.tv-di{padding:56px 0 72px;border-top:1px solid var(--line)}
.tv-di h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.03em;margin-bottom:24px}
.tv-di h3{font-size:16px;margin-bottom:10px}
.tv-di__cot{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.tv-di li{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line)}
.tv-di li a{flex:1;display:flex;align-items:center;min-height:44px;font-weight:600;text-decoration:none}
.tv-di li a:hover{text-decoration:underline}
.tv-di li span{align-self:center;font-size:14px;color:var(--muted);white-space:nowrap}

/* Trang phong cách */
.pc-dau{padding:24px 0 48px}
.pc-dau__in{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center}
.pc-dau h1{font-size:clamp(36px,4.6vw,64px);letter-spacing:-.035em;line-height:1.04}
.pc-dau__mo{margin-top:18px;font-size:18px;line-height:1.55;max-width:48ch}
.dai-mau{display:flex;height:72px;margin-top:28px;border-radius:12px;overflow:hidden;border:1px solid #85857F}
.dai-mau span{display:flex;align-items:flex-end;padding:8px 10px;font-size:14px}
.dai-mau span:nth-child(2) b{mix-blend-mode:normal}
.dai-mau b{background:rgba(255,255,255,.88);color:#111;border-radius:999px;padding:0 8px;font-size:13px;line-height:1.6}
.dai-mau__ghi{margin-top:10px;font-size:14px;color:var(--muted)}
.pc-hieu{padding:56px 0;background:var(--olive-t)}
.pc-hieu h2,.pc-vl h2,.pc-doc h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.03em}
.pc-hieu__ds{margin:28px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.pc-hieu__so{display:block;font-size:40px;font-weight:700;color:var(--olive-d);letter-spacing:-.04em;line-height:1}
.pc-hieu__ds h3{margin-top:12px;font-size:17px;letter-spacing:-.01em;line-height:1.25}
.pc-hieu__ds p{margin-top:6px;font-size:15px;color:#3A3A36}
.pc-hieu__tranh{margin-top:28px;padding-top:18px;border-top:1px solid #D5DCC8;font-size:16px;max-width:78ch}
.tr-phong-cach .library{padding-top:56px}
.pc-kho-dau{margin-bottom:20px;max-width:1392px}
.filters__in--mot{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"r st"}
.filters__in--mot .frow:first-child{grid-area:r}
.pc-vl{padding:56px 0;border-top:1px solid var(--line)}
.pc-vl__in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px}
.pc-vl__ds{margin-top:20px}
.pc-vl__ds li{display:grid;gap:2px;padding:14px 0;border-top:1px solid var(--line)}
.pc-vl__ds b{font-size:18px;letter-spacing:-.01em}
.pc-vl__ds span{color:var(--muted);font-size:15px}
.pc-ns{padding:28px;background:var(--gray);border-radius:20px}
.pc-ns h2{font-size:22px}
.pc-ns__so{margin-top:10px;font-size:clamp(34px,4vw,48px);font-weight:700;letter-spacing:-.035em;line-height:1.1}
.pc-ns__so small{font-size:18px;font-weight:600;letter-spacing:0}
.pc-ns__ghi{margin-top:8px;font-size:14.5px;color:#3A3A36}
.thanh-so{margin:16px 0 8px;display:grid;gap:8px}
.thanh-so li{display:grid;grid-template-columns:104px 1fr 34px;gap:10px;align-items:center;font-size:14px}
.thanh-so i{display:block;height:12px;border-radius:6px;background:#C4C4BE}
.thanh-so li.is-on{font-weight:700}
.thanh-so li.is-on i{background:var(--olive-d)}
.thanh-so b{font-weight:600;text-align:right}
.pc-doc{padding:56px 0 72px;border-top:1px solid var(--line)}
.pc-doc__in{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:64px}
.pc-doc .ds-bai{margin-top:18px}
.pc-doc__ben h3{font-size:15px;margin:18px 0 6px}
.pc-doc__ben li a,.pc-doc__ben p a{display:inline-flex;align-items:center;min-height:44px;font-weight:600;text-underline-offset:3px}
.lien-to{font-size:24px;letter-spacing:-.02em;color:var(--olive-d)}

/* Trang theo phòng */
.ph-bo{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:56px;padding-top:24px;padding-bottom:72px;align-items:start}
.ph-ben{position:sticky;top:calc(var(--hh) + 20px);max-height:calc(100vh - var(--hh) - 36px);overflow-y:auto;padding-right:6px}
.ph-ben h1{font-size:clamp(32px,3.4vw,46px);letter-spacing:-.035em;line-height:1.06}
.ph-ben__mo{margin-top:14px;font-size:16px}
.ph-chip{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.ph-co{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.ph-co h2{font-size:17px;letter-spacing:-.01em}
.ph-co dl{margin:10px 0}
.ph-co dl div{display:grid;gap:0;padding:8px 0;border-bottom:1px solid var(--line)}
.ph-co dt{font-size:14px;color:var(--muted)}
.ph-co dd{margin:0;font-weight:600;font-size:15px}
.ph-co p{font-size:14.5px;color:#3A3A36;margin-top:8px}
.ph-pct{margin-top:14px;font-size:14.5px;color:#3A3A36}
.ph-pct b{font-size:26px;letter-spacing:-.03em;color:var(--olive-d)}
.ph-than{display:grid;gap:44px;min-width:0}
.ph-nhom[hidden]{display:none}
.ph-nhom__dau{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}
.ph-nhom h2{font-size:clamp(24px,2.4vw,32px);letter-spacing:-.03em}
.ph-nhom>p{margin:8px 0 16px;max-width:64ch;color:#3A3A36}
.ph-luoi{display:grid;grid-template-columns:1fr 1fr;gap:18px 16px}
.ph-luoi--mot{grid-template-columns:1fr}
.ph-to{grid-column:span 2}
.ph-luoi--mot .ph-to{grid-column:auto}
.ph-doc h2,.ct-doc h2,.ct-so h2{font-size:clamp(22px,2.2vw,28px);letter-spacing:-.025em;margin-bottom:14px}
.ph-ke{display:flex;flex-wrap:wrap;gap:8px}
.ph-ke a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1.5px solid var(--line);border-radius:999px;font-weight:600;font-size:15px;text-decoration:none}
.ph-ke a:hover{border-color:var(--ink)}

/* Chuyên mục */
.m-dau{padding:24px 0 36px}
.m-dau__in{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:end;padding-bottom:24px;border-bottom:3px solid var(--ink)}
.m-dau h1{font-size:clamp(38px,5.6vw,80px);letter-spacing:-.04em;line-height:1}
.m-dau p{font-size:17px;line-height:1.55}
.m-bai{padding-bottom:56px}
.m-noi{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:center;text-decoration:none}
.m-noi__chu{display:grid;gap:10px}
.m-noi__ten{font-size:clamp(24px,2.8vw,38px);font-weight:700;letter-spacing:-.03em;line-height:1.15}
.m-noi:hover .m-noi__ten{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.m-noi:hover .frame img{transform:scale(1.03)}
.m-noi__tom{font-size:16px;color:#3A3A36}
.m-hang{margin-top:28px;border-top:1px solid var(--line)}
.m-hang a{display:grid;grid-template-columns:200px minmax(0,1fr);gap:24px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);text-decoration:none}
.m-hang a:hover .m-hang__ten{text-decoration:underline;text-underline-offset:3px}
.m-hang__chu{display:grid;gap:5px}
.m-hang__ten{font-size:clamp(17px,1.7vw,22px);font-weight:700;letter-spacing:-.02em;line-height:1.25}
.m-hang__tom{font-size:15px;color:#3A3A36}
.m-khoi{padding:56px 0;background:var(--olive-t)}
.m-khoi h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.03em}
.m-khoi__mo{margin:10px 0 22px;max-width:72ch}
.m-khoi .bang-cuon{background:#fff}
.m-chan{margin-top:14px}
.m-tieu3{margin:32px 0 14px;font-size:20px;letter-spacing:-.02em}
.m-bon{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}
.m-bon--ba{grid-template-columns:repeat(3,1fr)}
.m-bon a{display:block;text-decoration:none}
.m-bon a:hover .frame img{transform:scale(1.04)}
.m-bon__ten{display:block;margin-top:8px;font-weight:700;font-size:18px;letter-spacing:-.02em}
.m-hai{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.m-muc li{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 0;border-top:1px solid #D5DCC8;font-weight:600}
.m-muc__cham{display:inline-flex;gap:5px;flex-shrink:0}
.m-muc__cham i{width:14px;height:14px;border-radius:50%;background:#D5DCC8}
.m-muc__cham i.is-on{background:var(--olive-d)}
.m-ds-ct li{display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid #D5DCC8}
.m-ds-ct a{display:flex;align-items:center;min-height:44px;font-weight:700;text-underline-offset:3px}
.m-ds-ct span{font-size:14px;color:#3A3A36;text-align:right}
.m-khac{padding:32px 0;border-bottom:1px solid var(--line)}
.m-khac p{font-size:14px;font-weight:700;margin-bottom:8px}
.m-khac ul{display:flex;flex-wrap:wrap;gap:8px}
.m-khac a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;background:var(--gray);border-radius:999px;font-weight:600;font-size:15px;text-decoration:none}
.m-khac a:hover{background:#DCDCD7}
.tr-muc .signup{padding-top:56px}

/* Hồ sơ công trình */
.ct-dau__anh figcaption{max-width:1392px;margin:8px auto 0;padding:0 32px}
.ct-dau__anh .mo-anh,.ct-dau__anh .frame{border-radius:0}
.ct-dau__chu{padding-top:20px;padding-bottom:12px}
.ct-dau__chu h1{font-size:clamp(32px,4.4vw,60px);letter-spacing:-.035em;line-height:1.05;max-width:20ch}
.ct-bo{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:56px;padding-top:24px;padding-bottom:72px;align-items:start}
.ct-the{position:sticky;top:calc(var(--hh) + 20px);padding:20px;border:1.5px solid var(--ink);border-radius:16px;font-size:15px}
.ct-the dl{margin:0;display:grid;gap:10px}
.ct-the dt{font-size:13px;font-weight:600;color:var(--muted)}
.ct-the dd{margin:0;font-weight:700}
.ct-the dd a{color:var(--olive-d);text-underline-offset:3px;display:inline-block;padding:4px 0}
.ct-the h2{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:14px;letter-spacing:0}
.ct-the__vl{margin-top:8px;display:grid;gap:5px}
.ct-the__vl li{line-height:1.4}
.ct-the .lb__sw i{height:44px}
.ct-than{display:grid;gap:44px;min-width:0}
.ct-mo{font-size:clamp(18px,1.7vw,22px);line-height:1.5;letter-spacing:-.01em;max-width:60ch}
.ct-anh{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px}
.ct-to{grid-column:span 2}
.ct-so{padding:28px;background:var(--gray);border-radius:20px}
.ct-so__ghi{margin-top:14px;font-size:15px;color:#3A3A36}

/* Tất cả bài */
.bv-dau{padding-top:24px;padding-bottom:8px}
.bv-dau h1{font-size:clamp(36px,4.6vw,64px);letter-spacing:-.035em}
.bv-chip{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.bv-dem{margin-top:12px;font-size:14px;font-weight:600}
.posts--tat-ca{padding:20px 0 72px;border-top:0}
.posts__grid--bon{grid-template-columns:repeat(4,minmax(0,1fr))}
.post[hidden]{display:none}

/* Tác giả */
.tg-dau{padding-top:24px;padding-bottom:28px;max-width:900px;margin-left:0}
.tg-dau h1{font-size:clamp(34px,4.4vw,60px);letter-spacing:-.035em;line-height:1.05}
.tg-dau>p{margin-top:16px;font-size:17px}
.tg-ds{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tg-the{padding:22px;border:1px solid var(--line);border-radius:16px;display:grid;gap:12px;align-content:start}
.tg-the__dau{display:flex;gap:14px;align-items:center}
.tg-the h2{font-size:20px;letter-spacing:-.02em}
.tg-the__dau p{font-size:14px;color:var(--muted)}
.tg-the__so{font-weight:700;color:var(--olive-d)}
.tg-quy{padding-top:48px;padding-bottom:72px}
.tg-quy h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.03em;margin-bottom:18px}
.quy-trinh{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:b}
.quy-trinh li{counter-increment:b;padding:16px 18px 0 0;border-top:3px solid var(--olive);display:grid;gap:6px;font-size:15px}
.quy-trinh li::before{content:counter(b);font-size:28px;font-weight:700;color:var(--olive-d);letter-spacing:-.03em}
.quy-trinh b{font-size:17px}
.quy-trinh a{color:var(--olive-d)}
.hs-bo{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:56px;padding-top:32px;padding-bottom:72px;align-items:start}
.hs-ben{position:sticky;top:calc(var(--hh) + 20px)}
.hs-ini{display:flex;align-items:center;justify-content:center;width:88px;height:88px;border-radius:50%;background:var(--olive-t);color:var(--olive-d);font-size:26px;font-weight:700;margin-bottom:16px}
.hs-ben h1{font-size:clamp(32px,3.6vw,48px);letter-spacing:-.035em}
.hs-vai{margin:8px 0;font-weight:600}
.hs-chu{margin-top:12px;font-size:14.5px;color:var(--muted)}
.hs-than h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.03em}
.hs-than .m-hang{margin-top:18px}

/* Giới thiệu, liên hệ, chính sách, tìm kiếm */
.gt-dau{padding:24px 0 48px}
.gt-dau__in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.gt-dau h1{font-size:clamp(34px,4.4vw,60px);letter-spacing:-.035em;line-height:1.05}
.gt-mo{margin-top:18px;font-size:18px;line-height:1.55}
.gt-ba{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;padding-bottom:48px}
.gt-ba section{border-top:3px solid var(--olive);padding-top:14px}
.gt-ba h2{font-size:21px;letter-spacing:-.02em;margin-bottom:8px}
.gt-ba a,.gt-so a,.cs-than a,.lh-chu a{color:var(--olive-d);text-underline-offset:3px;font-weight:600}
.gt-so{padding-bottom:72px;max-width:900px;margin-left:0}
.gt-so h2{font-size:21px;margin-bottom:8px;letter-spacing:-.02em}
.lh-bo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;padding-top:24px;padding-bottom:72px;align-items:start}
.lh-chu h1{font-size:clamp(34px,4.2vw,56px);letter-spacing:-.035em;line-height:1.05;margin-bottom:16px}
.lh-ds{margin:24px 0}
.lh-ds li{display:grid;gap:2px;padding:12px 0;border-top:1px solid var(--line)}
.lh-ds span{font-size:15px;color:var(--muted)}
.lh-ghi{font-size:14.5px;color:var(--muted)}
.lh-form{padding:28px;background:var(--gray);border-radius:20px;display:grid;gap:6px}
.lh-form h2{font-size:24px;letter-spacing:-.025em;margin-bottom:10px}
.lh-form .field__lb{margin:8px 0 2px}
.lh-form .btn{justify-self:start;margin-top:12px}
.cs-bo{display:grid;grid-template-columns:minmax(0,320px) minmax(0,720px);gap:72px;padding-top:24px;padding-bottom:72px;align-items:start}
.cs-ben{position:sticky;top:calc(var(--hh) + 20px)}
.cs-ben h1{font-size:clamp(30px,3vw,40px);letter-spacing:-.03em;line-height:1.1}
.cs-ngay{margin:8px 0 16px;font-size:14px;color:var(--muted)}
.cs-ben ol{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.cs-ben li a{display:flex;align-items:center;min-height:44px;border-bottom:1px solid var(--line);font-size:15px;text-decoration:none}
.cs-ben li a:hover{color:var(--olive-d)}
.cs-than section{padding-bottom:32px}
.cs-than h2{font-size:clamp(22px,2.2vw,28px);letter-spacing:-.025em;margin-bottom:10px}
.cs-than p{margin-bottom:10px;font-size:17px;line-height:1.65}
.tk-bo{padding-top:32px;padding-bottom:72px;max-width:880px;margin-left:auto;margin-right:auto}
.tk-bo h1{font-size:clamp(32px,4vw,52px);letter-spacing:-.035em}
.tk-form{display:flex;gap:10px;margin-top:20px}
.tk-form .o-nhap{flex:1;min-width:0;border-radius:999px;padding-left:20px}
.tk-form .btn{min-height:48px}
.tk-goi{margin-top:12px;font-size:15px;color:var(--muted)}
.tk-goi a{color:var(--ink);font-weight:600;display:inline-block;padding:6px 2px;text-underline-offset:3px}
.tk-dem{margin-top:16px;font-weight:600}
.tk-kq{margin-top:12px;border-top:1px solid var(--line)}
.tk-kq a{display:grid;gap:2px;padding:14px 0;border-bottom:1px solid var(--line);text-decoration:none}
.tk-kq a:hover .tk-kq__ten{text-decoration:underline;text-underline-offset:3px}
.tk-kq__loai{font-size:13px;font-weight:600;color:var(--olive-d)}
.tk-kq__ten{font-size:18px;font-weight:700;letter-spacing:-.015em}
.tk-kq__mo{font-size:15px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.xong-bo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;padding-top:48px;padding-bottom:72px}
.xong-chu h1{margin-top:14px;font-size:clamp(32px,4vw,52px);letter-spacing:-.035em}
.xong-chu p{margin-top:12px}
.xong-nut{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.loi-bo{padding-top:40px;padding-bottom:72px;text-align:center}
.loi-so{font-size:clamp(72px,12vw,160px);font-weight:700;letter-spacing:-.05em;line-height:1;color:var(--olive)}
.loi-tim{max-width:560px;margin:22px auto 0}
.loi-bo h1{margin-top:6px;font-size:clamp(30px,3.6vw,48px);letter-spacing:-.035em}
.loi-bo>p{margin:12px auto 0;max-width:56ch}
.loi-bo .xong-nut{justify-content:center}
.loi-bo .m-bon{margin-top:36px;text-align:left}

/* Bài viết kiểu bài ảnh */
.bai-mo{max-width:1180px;margin:0 auto;padding:0 32px}
.bai-mo .frame{border-radius:0 0 18px 18px}
.bai-mo .mo-anh{border-radius:0 0 18px 18px}
.bai-mo figcaption{text-align:right}
.bai-dau{max-width:880px;margin:0 auto;padding:18px 32px 0}
.bai-dau h1{font-size:clamp(30px,4.2vw,54px);letter-spacing:-.035em;line-height:1.08}
.bai-muc{display:inline-flex;align-items:center;min-height:44px;font-size:14px;font-weight:700;color:var(--olive-d);text-decoration:none}
.bai-tra-loi{margin-top:18px;font-size:clamp(18px,1.6vw,21px);line-height:1.55;letter-spacing:-.005em}
.bai-dai{max-width:1180px;margin:32px auto 0;padding:0 32px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.bai-thanh{position:sticky;top:var(--hh);z-index:30;margin-top:32px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bai-thanh ul{max-width:1180px;margin:0 auto;padding:0 32px;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.bai-thanh ul::-webkit-scrollbar{display:none}
.bai-thanh a{display:flex;align-items:center;min-height:44px;max-width:30ch;padding:0 10px;font-size:14px;font-weight:500;color:var(--muted);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;box-shadow:inset 0 -2px 0 transparent}
.bai-thanh a span{overflow:hidden;text-overflow:ellipsis}
.bai-thanh a:hover{color:var(--ink)}
.bai-thanh a.is-on{color:var(--olive-d);font-weight:700;box-shadow:inset 0 -2px 0 var(--olive)}
.bai-than{max-width:880px;margin:0 auto;padding:36px 32px 0;font-size:18px;line-height:1.7}
.bai-than>*+*{margin-top:18px}
.bai-than h2{margin-top:52px;font-size:clamp(24px,2.6vw,34px);letter-spacing:-.03em;line-height:1.18;scroll-margin-top:calc(var(--hh) + 60px)}
.bai-than h3{margin-top:30px;font-size:21px;letter-spacing:-.02em;line-height:1.25}
.bai-than ul,.bai-than ol{padding-left:22px}
.bai-than ul{list-style:disc}
.bai-than li+li{margin-top:6px}
.bai-than a{color:var(--olive-d);text-underline-offset:3px;font-weight:600}
.bai-than .hinh{margin-top:28px}
.bai-than .hinh a{font-weight:400}
.bai-than .hinh--rong{margin-left:-110px;margin-right:-110px}
.bai-than .hinh--nho{max-width:480px}
.bai-ghi{font-size:15px;line-height:1.5;color:var(--muted)}
.bai-than .bang{font-size:15.5px}
.khoi-lam{margin-top:44px!important;padding:26px 28px;background:var(--olive-t);border-radius:18px}
.khoi-lam h2,.khoi-lam h3{margin-top:0;font-size:clamp(22px,2.2vw,28px);letter-spacing:-.025em;scroll-margin-top:calc(var(--hh) + 60px)}
.khoi-lam ul{margin-top:12px;padding:0;list-style:none;counter-reset:l}
.khoi-lam li{position:relative;padding-left:32px;counter-increment:l}
.khoi-lam li::before{content:"";position:absolute;left:4px;top:.62em;width:12px;height:6px;border-left:2px solid var(--olive-d);border-bottom:2px solid var(--olive-d);transform:rotate(-45deg)}
.so-do-nhom{margin-top:28px;display:grid;gap:12px}.so-do-nhom--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.so-do{margin:0;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}
.so-do svg{display:block;width:100%;height:auto}
.so-do figcaption{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.45}
.bai-hoi{margin-top:52px!important}
.bai-hoi details{border-top:1px solid var(--line)}
.bai-hoi details:last-child{border-bottom:1px solid var(--line)}
.bai-hoi summary{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:52px;padding:10px 0;font-weight:700;font-size:17px;line-height:1.35;cursor:pointer;list-style:none}
.bai-hoi summary::-webkit-details-marker{display:none}
.bai-hoi summary::after{content:"+";flex-shrink:0;font-size:24px;font-weight:400;color:var(--olive-d);line-height:1}
.bai-hoi details[open] summary::after{content:"−"}
.bai-hoi details p{padding-bottom:14px;font-size:16.5px;margin:0}
.bai-ky{max-width:880px;margin:44px auto 0;padding:0 32px}
.bai-ky__in{display:flex;gap:14px;align-items:center;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:15px}
.bai-ky b a{text-underline-offset:3px}
.bai-ky__nho{color:var(--muted);font-size:14px}
.bai-lq{padding:48px 0 16px}
.bai-lq h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.03em;margin-bottom:18px}
.bai-lq__ds{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.bai-lq__ds a{display:grid;gap:8px;text-decoration:none}
.bai-lq__ds a:hover .bai-lq__ten{text-decoration:underline;text-underline-offset:3px}
.bai-lq__ds a:hover .frame img{transform:scale(1.04)}
.bai-lq__ten{font-size:17px;font-weight:600;line-height:1.35}
.bai-cho{margin-top:28px;padding:24px;border:1.5px dashed var(--line);border-radius:16px;font-size:17px}
.tr-bai .signup{padding-top:56px}

/* Chung khổ vừa */
@media (min-width:1101px){.footer__in{grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr))}}
@media (max-width:1240px){.pc-hieu__ds{grid-template-columns:repeat(3,1fr)}.bai-than .hinh--rong{margin-left:0;margin-right:0}}
@media (max-width:1100px){.footer__in{grid-template-columns:repeat(3,minmax(0,1fr))}.footer__brand{grid-column:span 3}}
@media (max-width:1023px){
  .tv-dau__in,.pc-dau__in,.pc-vl__in,.pc-doc__in,.m-dau__in,.m-noi,.m-hai,.gt-dau__in,.lh-bo,.xong-bo{grid-template-columns:1fr;gap:24px}
  .tv-dau h1{white-space:normal}
  .ph-bo,.ct-bo,.hs-bo,.cs-bo{grid-template-columns:1fr;gap:28px}
  .ph-ben,.ct-the,.hs-ben,.cs-ben{position:static;max-height:none;overflow:visible}
  .ct-the dl{grid-template-columns:repeat(3,1fr)}
  .posts__grid--bon{grid-template-columns:repeat(3,minmax(0,1fr))}
  .tg-ds,.gt-ba{grid-template-columns:1fr}
  .quy-trinh{grid-template-columns:1fr 1fr;gap:20px}
  .bai-thanh{display:none}
  .filters__in--mot{grid-template-columns:1fr;grid-template-areas:"r" "st"}
}
@media (max-width:767px){
  .wrap,.bai-mo,.bai-dau,.bai-dai,.bai-than,.bai-ky{padding-left:16px;padding-right:16px}
  .pc-hieu__ds{grid-template-columns:1fr 1fr}
  .tv-di__cot{grid-template-columns:1fr;gap:24px}
  .m-bon{grid-template-columns:1fr 1fr}
  .m-bon--ba{grid-template-columns:1fr 1fr}
  .so-canh{grid-template-columns:1fr}
  .m-hang a{grid-template-columns:112px minmax(0,1fr);gap:14px}
  .m-hang__tom{display:none}
  .ph-luoi,.ct-anh{grid-template-columns:1fr 1fr;gap:14px 10px}
  .ct-dau__anh figcaption{padding:0 16px}
  .ct-the dl{grid-template-columns:1fr 1fr}
  .ct-so,.pc-ns,.lh-form{padding:18px}
  .posts__grid--bon{grid-template-columns:1fr 1fr}
  .quy-trinh{grid-template-columns:1fr}
  .so-do-nhom--3{grid-template-columns:1fr}
  .bai-dai{grid-template-columns:1fr 1fr;gap:8px}
  .bai-dai .hinh:first-child{grid-column:span 2}
  .bai-than{font-size:17px;padding-top:28px}
  .bai-lq__ds{grid-template-columns:1fr 1fr;gap:14px}
  .khoi-lam{padding:20px 18px}
  .tk-form .btn{padding:0 16px}
  .footer__in{grid-template-columns:1fr 1fr}
  .footer__brand{grid-column:span 2}
  .bang tbody th a,.tg-the h2 a,.quy-trinh a,.footer__col a,.authors__links a,.sau-kho__ds a,.bai-ky a,.lien-xanh,.lb__hoso a,.tk-goi a{display:inline-flex;align-items:center;min-height:44px}
  .footer__col li+li{margin-top:0}
  .lo-trinh a{display:inline-flex;align-items:center;min-height:32px}
  /* Chữ tối thiểu 14 px trên điện thoại */
  .lo-trinh,.hinh figcaption,.post__cat,.post__meta,.post__3d,.ds-bai__muc,.tk-kq__loai,.chip,.chip__n,.frow__lb,.tile__cap,.tile__cap>span,.tile__cap .is-3d,.room__n,.cats__desc,.lb__type,.lb__dl dt,.lb__sw li,.lb__sw b,.lb__note,.lb__hint,.ct-the dt,.nhan-mau,.ma-mau,.bang thead th,.bang,.so-canh__nhan,.thanh-so li,.dai-mau b,.bai-ghi{font-size:14px}
  .tile__cap{padding:28px 8px 7px}
  .tile__cap b{display:block}
  .tile__cap>span{margin-top:0}
  .tile__cap .is-3d{padding:0 7px;font-size:14px;white-space:nowrap}
}

/* Tiêu chí nhận diện trên trang phong cách */
.tieu-chi{margin:20px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;padding:16px 0 0;border-top:1px solid var(--line)}
.tieu-chi dt{font-size:14px;font-weight:700;color:var(--olive-d)}
.tieu-chi dd{margin:2px 0 0;font-size:15px;line-height:1.45}
@media (max-width:767px){.tieu-chi{grid-template-columns:1fr}}
.mn__muc.dong .mn__xo{opacity:0;visibility:hidden}

.mosaic.mosaic--it{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:767px){.mosaic.mosaic--it{grid-template-columns:1fr}}