/*
Theme Name: Trần Hoạch BĐS
Description: Trang cá nhân môi giới — menu hai bên có xổ xuống, kiểu nội dung Dự án (vị trí, giá, trạng thái, loại hình), trang chủ lưới dự án. Dựng từ Blog Môi Giới 2.0.
Version: 1.0
Author: Realtor OS
*/

:root{
  --chinh:#0e8077;        /* MÀU THƯƠNG HIỆU — đổi bằng option mg_mau_thuong_hieu */
  --chu:#15181a;
  --mo:#69737a;
  --vien:#e6e9eb;
  --nen:#f5f8f8;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--chu);background:#fff;
     font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{text-decoration:none;color:inherit}
.khung{max-width:1180px;margin:0 auto;padding:0 32px}
.nut{background:var(--chinh);color:#fff;font-weight:600;font-size:.95rem;padding:10px 22px;border-radius:999px;display:inline-block;white-space:nowrap;border:2px solid var(--chinh)}
.nut:hover{filter:brightness(1.08)}

/* ---- Đầu trang: menu trái · tên giữa · menu phải ---- */
.dau{border-bottom:1px solid var(--vien);background:#fff;position:sticky;top:0;z-index:50}
.dau>.khung{max-width:1280px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:12px 32px;gap:24px}
.menu-ds{list-style:none;margin:0;padding:0;display:flex;gap:6px;align-items:center}
.menu-trai .menu-ds{justify-content:flex-start}
.menu-phai .menu-ds{justify-content:flex-end}
.menu-ds>li{position:relative}
.menu-ds a{display:block;font-size:.9rem;font-weight:600;text-transform:uppercase;letter-spacing:.02em;padding:10px 12px;white-space:nowrap}
.menu-ds a:hover,.menu-ds .current-menu-item>a{color:var(--chinh)}
.menu-ds .menu-item-has-children>a::after{content:"";display:inline-block;width:6px;height:6px;margin-left:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-3px) rotate(45deg)}
.menu-ds .sub-menu{list-style:none;margin:0;padding:8px 0;position:absolute;top:100%;left:0;min-width:270px;background:#fff;border:1px solid var(--vien);
  border-radius:10px;box-shadow:0 14px 34px rgba(0,0,0,.1);opacity:0;visibility:hidden;transform:translateY(6px);transition:.15s;z-index:60}
.menu-phai .sub-menu{left:auto;right:0}
.menu-ds li:hover>.sub-menu,.menu-ds li:focus-within>.sub-menu{opacity:1;visibility:visible;transform:none}
.sub-menu a{text-transform:none;letter-spacing:0;font-weight:500;font-size:.95rem;padding:9px 20px}
.sub-menu a:hover{background:var(--nen)}
.ten-web{display:flex;flex-direction:column;align-items:center;gap:2px;font-weight:800;font-size:1.05rem;letter-spacing:-.02em;white-space:nowrap}
.ten-web img{max-height:54px;width:auto}
.logo-chu{width:44px;height:44px;border-radius:50%;background:var(--chinh);color:#fff;display:grid;place-items:center;font-size:1.3rem}
.phai{display:flex;align-items:center;justify-content:flex-end;gap:10px}
.nut-menu{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nut-menu span{display:block;width:24px;height:2px;background:var(--chu);margin:5px 0;transition:.2s}
.menu-dt{display:none}

/* ---- Mở đầu ---- */
.hero{background:linear-gradient(125deg,color-mix(in srgb,var(--chinh) 78%,#000) 0%,var(--chinh) 50%,color-mix(in srgb,var(--chinh) 70%,#fff) 100%);
      color:#fff;padding:96px 0 104px;text-align:center}
.hero .tren{margin:0 0 14px;font-weight:600;opacity:.85;font-size:.95rem;text-transform:uppercase;letter-spacing:.06em}
.hero h1{font-size:3rem;font-weight:800;line-height:1.1;letter-spacing:-.035em;margin:0 auto 34px;max-width:20ch}
.hero-nut{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero.co-anh{text-align:left;padding:56px 0 0}
.hero.co-anh .khung{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:end}
.hero.co-anh .hero-chu{padding-bottom:72px}
.hero.co-anh h1{margin-left:0;max-width:16ch}
.hero.co-anh .hero-nut{justify-content:flex-start}
.hero-anh img{display:block;width:100%;max-width:440px;margin-left:auto;border-radius:22px 22px 0 0;aspect-ratio:4/4.4;object-fit:cover;object-position:center top;box-shadow:0 -10px 40px rgba(0,0,0,.18)}
.logo-anh{width:50px;height:50px;border-radius:50%;object-fit:cover;border:2px solid var(--chinh)}
.vi-sao.co-anh{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;align-items:center;margin-top:34px}
.vi-sao.co-anh .luoi-4{grid-template-columns:repeat(2,1fr);margin-top:0}
.vi-sao-anh img{display:block;width:100%;border-radius:18px;aspect-ratio:1/1.05;object-fit:cover;object-position:center top}
.trang-nut{background:#fff;color:var(--chinh);border-color:#fff}
.vien-nut{background:transparent;border-color:rgba(255,255,255,.8)}

/* ---- Các phần trang chủ ---- */
.phan{padding:72px 0}
.phan.nen{background:var(--nen)}
.tieu{font-size:2.1rem;font-weight:800;letter-spacing:-.03em;text-align:center;margin:0 0 10px;line-height:1.2}
.phu{color:var(--mo);text-align:center;max-width:60ch;margin:0 auto 32px}
.giua{text-align:center;margin-top:36px}
.loc{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:30px}
.loc button{font:inherit;font-size:.9rem;font-weight:600;padding:8px 18px;border-radius:999px;border:1.5px solid var(--vien);background:#fff;cursor:pointer;text-transform:uppercase}
.loc button.dang,.loc button:hover{border-color:var(--chinh);color:var(--chinh)}

/* video YouTube */
.gioi-thieu-vd{padding-top:64px}
.gt-vd{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center}
.gt-vd-phai h2{font-size:2.1rem;letter-spacing:-.03em;line-height:1.15;margin:0 0 14px}
.gt-vd-phai p{color:var(--mo);margin:0 0 24px}
.nho-tren{font-size:.8rem !important;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#e11d2a !important;margin:0 0 8px !important}
.hero-nut.trai{justify-content:flex-start}
.nut.yt{background:#e11d2a;border-color:#e11d2a}
.nut.vien-xanh{background:#fff;color:var(--chinh);border-color:var(--chinh)}
.vd-o{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#000;box-shadow:0 16px 40px rgba(0,0,0,.14)}
.vd-o>*{position:absolute;inset:0;width:100%;height:100%;border:0}
.vd{padding:0;cursor:pointer;background:#000}
.vd img{width:100%;height:100%;object-fit:cover;display:block;transition:.3s}
.vd:hover img{opacity:.85}
.vd-nut{position:absolute;left:50%;top:50%;width:68px;height:48px;margin:-24px 0 0 -34px;background:#e11d2a;border-radius:12px}
.vd-nut::after{content:"";position:absolute;left:27px;top:14px;border-left:18px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent}
.vd-ten{margin:10px 0 0;font-weight:600;font-size:.98rem;line-height:1.4}
.luoi-vd{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.giua-chu{text-align:center;margin:56px 0 22px}
.vd-trong{aspect-ratio:16/9;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:24px;
  background:linear-gradient(135deg,#1b1b1f,#3a0d10 60%,#e11d2a);color:#fff;box-shadow:0 16px 40px rgba(0,0,0,.14)}
.vd-trong-logo img{width:76px;height:76px;border-radius:50%;object-fit:cover;border:3px solid #fff}
.vd-trong b{font-size:1.3rem;letter-spacing:-.02em}
.vd-trong span{opacity:.85}
.vd-trong .vd-dk{opacity:1;margin-top:10px;background:#fff;color:#e11d2a;font-weight:700;padding:9px 20px;border-radius:999px}
.vd-trong-giua{max-width:720px;margin:0 auto}

/* thẻ dự án */
.luoi-da{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.the-da{border:1px solid var(--vien);border-radius:14px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:.2s}
.the-da:hover{box-shadow:0 16px 40px rgba(0,0,0,.09);transform:translateY(-3px)}
.the-anh{position:relative;aspect-ratio:16/10;background:linear-gradient(135deg,color-mix(in srgb,var(--chinh) 85%,#000),color-mix(in srgb,var(--chinh) 60%,#fff));overflow:hidden}
.the-anh img{width:100%;height:100%;object-fit:cover;display:block}
.the-chu{position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-weight:800;font-size:1.35rem;text-align:center;padding:20px;letter-spacing:-.02em;line-height:1.25}
.nhan{position:absolute;top:12px;left:12px;background:#fff;color:var(--chu);font-size:.78rem;font-weight:700;padding:5px 11px;border-radius:999px}
.nhan.tt-dang-mo-ban{background:#16a34a;color:#fff}
.nhan.tt-sap-mo-ban{background:#f59e0b;color:#fff}
.nhan.tt-chuyen-nhuong{background:#2563eb;color:#fff}
.the-than{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.the-than h3{margin:0 0 6px;font-size:1.18rem;line-height:1.3;letter-spacing:-.015em}
.the-than .dc{margin:0 0 4px;color:var(--mo);font-size:.93rem}
.the-than .gia{margin:0 0 14px;font-size:.95rem}
.the-than .gia b{color:var(--chinh)}
.the-than .xem{margin-top:auto;font-weight:600;color:var(--chinh);font-size:.93rem}

/* ô 4 cột */
.luoi-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px}
.o{background:#fff;border:1px solid var(--vien);border-radius:14px;padding:26px 22px;border-top:4px solid var(--chinh)}
.o b{display:block;font-size:1.06rem;margin-bottom:8px}
.o p{margin:0;color:var(--mo);font-size:.95rem;line-height:1.55}

/* thẻ bài */
.luoi-bai{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.the-bai{display:flex;flex-direction:column}
.the-bai .the-anh{border-radius:10px;margin-bottom:14px}
.the-bai h3{margin:0 0 8px;font-size:1.15rem;line-height:1.35}
.the-bai:hover h3{color:var(--chinh)}
.the-bai p{margin:0 0 10px;color:var(--mo);font-size:.95rem}

/* ---- Trang dự án (kiểu landing: thanh mục lục + ảnh lớn + từng mục) ---- */
.single-du_an .dau{position:relative}
.da-nav{position:sticky;top:0;z-index:55;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--vien)}
.da-nav .khung{max-width:1280px;display:flex;align-items:center;gap:18px;height:62px}
.da-nav-ten{font-weight:800;white-space:nowrap;letter-spacing:-.02em;font-size:1.02rem;color:var(--chinh)}
.da-nav-ds{display:flex;gap:2px;overflow-x:auto;flex:1;scrollbar-width:none;justify-content:center}
.da-nav-ds::-webkit-scrollbar{display:none}
.da-nav-ds a{white-space:nowrap;padding:8px 12px;border-radius:999px;font-size:.93rem;font-weight:500;color:var(--chu)}
.da-nav-ds a:hover{color:var(--chinh)}
.da-nav-ds a.dang{background:color-mix(in srgb,var(--chinh) 12%,#fff);color:var(--chinh);font-weight:600}
.da-nav .nut{padding:9px 18px;font-size:.9rem}
.da-hero{position:relative;color:#fff;padding:96px 0 130px;background:linear-gradient(125deg,color-mix(in srgb,var(--chinh) 75%,#000),var(--chinh) 55%,color-mix(in srgb,var(--chinh) 65%,#fff));background-size:cover;background-position:center}
.da-hero.co-anh::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,20,22,.82) 0%,rgba(5,20,22,.55) 45%,rgba(5,20,22,.15) 100%)}
.da-hero .khung{position:relative;max-width:1180px}
.da-hero .tren{margin:0 0 14px;font-size:.88rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;opacity:.9}
.da-hero h1{font-size:4rem;line-height:1.04;letter-spacing:-.04em;margin:0 0 18px;font-weight:800;max-width:14ch}
.da-hero .phu-de{font-size:1.35rem;line-height:1.45;max-width:36ch;margin:0 0 30px;opacity:.95}
.da-hero .hero-nut{justify-content:flex-start}
.da-the{position:relative;z-index:2;margin:-62px auto 0;display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border-radius:16px;box-shadow:0 18px 50px rgba(0,0,0,.12);overflow:hidden}
.da-the>div{padding:22px 26px;border-right:1px solid var(--vien)}
.da-the>div:last-child{border-right:0}
.da-the span{display:block;font-size:.78rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--mo);margin-bottom:6px}
.da-the b{display:block;font-size:1.12rem;line-height:1.35}
.da-the small{display:block;color:var(--mo);font-size:.88rem;margin-top:4px}
.cham::before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;background:#94a3b8;margin-right:8px;vertical-align:2px}
.cham.tt-dang-mo-ban::before{background:#16a34a}
.cham.tt-sap-mo-ban::before,.cham.tt-sap-trien-khai::before{background:#f59e0b}
.cham.tt-chuyen-nhuong::before{background:#2563eb}
.da-noi-dung{padding-top:20px}
.da-muc{padding:64px 0;scroll-margin-top:70px}
.da-muc:nth-child(even){background:var(--nen)}
.khung-hep{max-width:820px;margin:0 auto;padding:0 32px}
.da-muc h2{font-size:2rem;margin:0 0 18px;letter-spacing:-.03em}
.nhan.tt-sap-trien-khai{background:#f59e0b;color:#fff}

/* ---- Trang dự án (cũ) ---- */
.da-dau{background:var(--nen);padding:40px 0 34px;border-bottom:1px solid var(--vien)}
.da-dau .ve{display:block;color:var(--mo);font-size:.9rem;margin-bottom:16px}
.da-dau .nhan{position:static;display:inline-block;border:1px solid var(--vien)}
.da-dau h1{font-size:2.6rem;font-weight:800;letter-spacing:-.032em;margin:12px 0 6px;line-height:1.15}
.da-dau .dc{margin:0;color:var(--mo)}
.da-than{display:grid;grid-template-columns:1fr 330px;gap:48px;padding-top:40px;padding-bottom:30px}
.da-anh img{border-radius:12px;width:100%;margin-bottom:24px}
.da-ben .hop{position:sticky;top:96px;border:1px solid var(--vien);border-radius:14px;padding:24px}
.hop h3{margin:0 0 14px;font-size:1.1rem}
.hop dl{margin:0 0 20px;display:grid;grid-template-columns:auto 1fr;gap:8px 14px;font-size:.95rem}
.hop dt{color:var(--mo)}
.hop dd{margin:0;font-weight:600;text-align:right}
.nut.rong{display:block;text-align:center}
.nho{font-size:.85rem;color:var(--mo);text-align:center;margin:10px 0 0}
.tieu-nho{font-size:1.4rem;margin:40px 0 12px}
.ds-gon{padding-left:20px}
.ds-gon li{margin-bottom:8px}
.ds-gon a:hover{color:var(--chinh)}

/* ---- Danh sách bài / bài viết ---- */
.tieu-trang{background:var(--nen);padding:48px 0;text-align:center;border-bottom:1px solid var(--vien)}
.tieu-trang h1{margin:0;font-size:2.3rem;letter-spacing:-.03em}
.tieu-trang .phu{margin:10px auto 0}
.ds{padding:56px 0 30px}
.ds .khung{max-width:1000px}
.bai{display:grid;grid-template-columns:264px 1fr;gap:34px;padding:34px 0;border-bottom:1px solid var(--vien);align-items:start}
.bai:first-child{padding-top:0}
.bai.khong-anh{grid-template-columns:1fr}
.bai-anh img{aspect-ratio:4/3;object-fit:cover;border-radius:5px;width:100%;display:block}
.bai h2{font-size:1.42rem;font-weight:700;line-height:1.28;letter-spacing:-.022em;margin:0 0 10px}
.bai:hover h2{color:var(--chinh)}
.bai p{margin:0 0 16px;color:var(--mo);font-size:1.02rem;line-height:1.55}
.meta{font-size:.9rem;color:var(--mo)}
.meta b{font-weight:500}
.bai-don{max-width:760px;margin:0 auto;padding:56px 32px 20px}
.bai-don h1{font-size:2.6rem;font-weight:800;line-height:1.14;letter-spacing:-.032em;margin:0 0 14px}
.bai-don .meta{display:block;margin-bottom:34px}
.noi-dung{font-size:1.1rem;line-height:1.75}
.noi-dung h2{font-size:1.6rem;font-weight:700;letter-spacing:-.022em;margin:2em 0 .5em;line-height:1.3}
.noi-dung h2:first-child{margin-top:0}
.noi-dung h3{font-size:1.25rem;font-weight:700;margin:1.7em 0 .4em}
.noi-dung p{margin:0 0 1.2em}
.noi-dung a{color:var(--chinh);text-decoration:underline}
.noi-dung img{border-radius:6px;margin:1.4em 0}
.noi-dung blockquote{margin:1.6em 0;padding-left:22px;border-left:3px solid var(--chinh);color:var(--mo)}
.noi-dung table{width:100%;border-collapse:collapse;font-size:1rem}
.noi-dung td,.noi-dung th{border:1px solid var(--vien);padding:8px 12px;text-align:left}
.noi-dung iframe{max-width:100%;border-radius:6px}
.trang{display:flex;gap:10px;justify-content:center;padding:30px 0}
.trang a,.trang span{padding:8px 15px;border:1px solid var(--vien);border-radius:999px;color:var(--mo);font-size:.92rem}
.trang .current{background:var(--chinh);border-color:var(--chinh);color:#fff}

/* ---- Cuối trang ---- */
.moi{background:linear-gradient(125deg,color-mix(in srgb,var(--chinh) 70%,#000) 0%,var(--chinh) 60%,color-mix(in srgb,var(--chinh) 80%,#fff));color:#fff;padding:72px 0;scroll-margin-top:90px}
.moi-luoi{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.moi h3{font-size:2rem;font-weight:800;letter-spacing:-.03em;margin:0 0 8px;line-height:1.2}
.moi-phu{margin:0 0 24px;opacity:.88}
.nho-tren-sang{margin:0 0 6px;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.75}
.lh-ds{list-style:none;margin:0;padding:0}
.lh-ds li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.18);display:grid;grid-template-columns:130px 1fr;gap:12px}
.lh-ds span{opacity:.7;font-size:.9rem}
.lh-ds a{font-weight:600}
.lh-ds a:hover{text-decoration:underline}
.moi-phai{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:30px}
.form-dk{display:grid;gap:12px}
.form-dk input,.form-dk select{font:inherit;font-size:1rem;padding:14px 16px;border-radius:10px;border:0;background:#fff;color:var(--chu);width:100%}
.form-dk input:focus,.form-dk select:focus{outline:3px solid rgba(255,255,255,.5)}
.form-dk .nut{background:#f59e0b;border-color:#f59e0b;color:#fff;font-size:1.02rem;padding:14px;cursor:pointer;font-family:inherit;text-transform:uppercase;letter-spacing:.03em}
.form-dk .bay{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.dk-bao{margin:0;padding:12px 14px;border-radius:10px;font-weight:600;font-size:.95rem}
.dk-bao.ok{background:#dcfce7;color:#14532d}
.dk-bao.loi{background:#fee2e2;color:#7f1d1d}
.nut.to{background:#fff;color:var(--chinh);border-color:#fff;font-size:1.05rem;padding:14px 32px}
.cuoi{background:#0f1719;color:#c5cdd0;padding:44px 0 24px;font-size:.93rem}
.cuoi>.khung{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cuoi b{color:#fff;font-size:1.1rem}
.cuoi p{margin:6px 0 0}
.cuoi a:hover{color:#fff}
.cuoi .menu-ds a{font-size:.85rem;padding:6px 10px}
.cuoi .sub-menu{display:none}
.bq{text-align:center;margin:30px 0 0;color:#7b878b;font-size:.85rem}
.noi-phai{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:12px;z-index:40}
.zalo-noi,.goi-noi{width:58px;height:58px;border-radius:50%;color:#fff;display:grid;place-items:center;font-weight:800;font-size:.85rem}
.zalo-noi{background:#0068ff;box-shadow:0 8px 22px rgba(0,104,255,.4)}
.goi-noi{background:#16a34a;box-shadow:0 8px 22px rgba(22,163,74,.45);animation:rung 2.4s infinite}
@keyframes rung{0%,80%,100%{transform:none}84%{transform:rotate(-12deg)}88%{transform:rotate(12deg)}92%{transform:rotate(-8deg)}96%{transform:rotate(8deg)}}

/* ---- Màn hình vừa & điện thoại ---- */
@media(max-width:1080px){
  .menu-ds a{padding:10px 8px;font-size:.84rem}
  .luoi-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .dau>.khung{grid-template-columns:auto 1fr;padding:10px 20px}
  .menu-trai,.menu-phai{display:none}
  .ten-web{flex-direction:row;gap:10px;order:0}
  .phai{order:1}
  .nut-menu{display:block}
  .phai .nut{padding:8px 16px;font-size:.88rem}
  .menu-dt{border-top:1px solid var(--vien);padding:8px 20px 18px;max-height:75vh;overflow:auto}
  .mo-menu .menu-dt{display:block}
  .menu-dt .menu-ds{flex-direction:column;align-items:stretch;gap:0}
  .menu-dt .menu-ds>li{border-bottom:1px solid var(--vien)}
  .menu-dt .menu-ds a{padding:13px 4px}
  .menu-dt .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 8px 14px;min-width:0}
  .menu-dt .sub-menu a{padding:8px 4px;color:var(--mo)}
  .mo-menu .nut-menu span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .mo-menu .nut-menu span:nth-child(2){opacity:0}
  .mo-menu .nut-menu span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .luoi-da,.luoi-bai{grid-template-columns:repeat(2,1fr)}
  .da-than{grid-template-columns:1fr}
  .moi-luoi{grid-template-columns:1fr;gap:34px}
  .moi-phai{padding:22px}
  .lh-ds li{grid-template-columns:110px 1fr}
  .gt-vd{grid-template-columns:1fr;gap:28px}
  .gt-vd-phai{text-align:center}
  .gt-vd-phai .hero-nut.trai{justify-content:center}
  .gt-vd-phai h2{font-size:1.6rem}
  .luoi-vd{grid-template-columns:repeat(2,1fr)}
  .da-nav-ten,.da-nav .nut{display:none}
  .da-nav-ds{justify-content:flex-start}
  .da-hero{padding:64px 0 110px}
  .da-hero h1{font-size:2.6rem}
  .da-hero .phu-de{font-size:1.12rem}
  .da-the{grid-template-columns:1fr}
  .da-the>div{border-right:0;border-bottom:1px solid var(--vien);padding:16px 20px}
  .da-muc{padding:44px 0}
  .khung-hep{padding:0 16px}
  .da-muc h2{font-size:1.55rem}
  .hero.co-anh .khung{grid-template-columns:1fr;gap:10px}
  .hero.co-anh{text-align:center}
  .hero.co-anh h1{margin:0 auto 28px}
  .hero.co-anh .hero-nut{justify-content:center}
  .hero.co-anh .hero-chu{padding-bottom:20px}
  .hero-anh img{margin:0 auto;max-width:340px}
  .vi-sao.co-anh{grid-template-columns:1fr}
  .vi-sao-anh img{max-width:420px;margin:0 auto}
  .da-ben .hop{position:static}
}
@media(max-width:620px){
  .khung{padding:0 16px}
  .hero{padding:64px 0 70px}
  .hero h1{font-size:2rem}
  .phan{padding:52px 0}
  .tieu{font-size:1.6rem}
  .luoi-da,.luoi-bai,.luoi-4,.vi-sao.co-anh .luoi-4,.luoi-vd{grid-template-columns:1fr}
  .logo-anh{width:40px;height:40px}
  .bai{grid-template-columns:1fr;gap:16px}
  .bai-don{padding:36px 16px 10px}
  .bai-don h1,.da-dau h1{font-size:1.85rem}
  .ten-web span:last-child{font-size:.95rem}
}

.tieu-trang .hero-nut{margin-top:20px}
.noi-dung figure{margin:1.8em 0}
.noi-dung figure img{margin:0;width:100%;border-radius:10px;border:1px solid var(--vien)}
.noi-dung figcaption{font-size:.88rem;color:var(--mo);text-align:center;margin-top:8px;line-height:1.5}
.da-hero .ghi-anh{position:absolute;right:16px;top:14px;font-size:.75rem;background:rgba(0,0,0,.45);padding:4px 10px;border-radius:999px;opacity:.9;z-index:1}
/* khung người biên soạn (trang dự án) */
.tac-gia{padding:64px 0;background:#fff;border-top:1px solid var(--vien)}
.tg-hop{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:center;max-width:1000px;margin:0 auto;background:var(--nen);border-radius:20px;padding:30px;border:1px solid var(--vien)}
.tg-anh img{display:block;width:100%;aspect-ratio:1/1.1;object-fit:cover;object-position:center top;border-radius:14px}
.tg-chu h2{font-size:1.9rem;letter-spacing:-.03em;margin:0 0 12px}
.tg-chu>p{color:var(--mo);margin:0 0 16px}
.nho-tren-xanh{font-size:.8rem !important;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--chinh) !important;margin:0 0 6px !important}
.tg-cam-ket{list-style:none;padding:0;margin:0 0 22px}
.tg-cam-ket li{padding:8px 0 8px 30px;position:relative;font-size:.98rem}
.tg-cam-ket li::before{content:"✓";position:absolute;left:0;top:7px;width:20px;height:20px;border-radius:50%;background:var(--chinh);color:#fff;font-size:.75rem;display:grid;place-items:center}
@media(max-width:820px){.tg-hop{grid-template-columns:1fr;padding:20px;gap:22px}.tg-anh img{max-width:300px;margin:0 auto}.tg-chu h2{font-size:1.5rem}}