/* CÁNH DIỀU VIỆT - giao diện bầu trời diều lộng gió (mẫu 1265) */
/* Bảng màu: trời xanh, diều đỏ, rơm vàng, giấy trắng */
:root{
  --sky:#2b6cb0;
  --sky-deep:#20548c;
  --sky-2:#17324e;
  --kite:#d64545;
  --kite-soft:#e46a6a;
  --gold:#e2b13c;
  --gold-soft:#eec95f;
  --paper:#faf6ea;
  --paper-2:#efeadb;
  --lightsky:#74a1c2;
  --green:#5d9c59;
  --line:rgba(43,108,176,.4);
  --tx:#2b2f36;
  --tx-soft:#75797f;
  --shadow:0 18px 44px -18px rgba(23,50,78,.4);
  --radius:20px;
  --font-head:'Quicksand',sans-serif;
  --font-body:'Be Vietnam Pro',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
img{height:auto;max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
body.du-body{
  font-family:var(--font-body);
  color:var(--tx);
  background:var(--paper);
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
.du-shell{max-width:1240px;margin:0 auto;padding:0 24px}
.du-skip{position:absolute;left:-9999px;top:0;background:var(--kite);color:#fff;padding:10px 18px;z-index:200;border-radius:0 0 12px 0}
.du-skip:focus{left:0}

/* Dải trời với đàn diều nhỏ trên cùng */
.du-skyband{height:18px;background:
  radial-gradient(circle at 14px 6px,rgba(250,246,234,.85) 0 3px,transparent 4px),
  radial-gradient(circle at 46px 10px,rgba(226,177,60,.8) 0 4px,transparent 5px),
  radial-gradient(circle at 78px 5px,rgba(250,246,234,.6) 0 2.5px,transparent 3.5px),
  linear-gradient(90deg,var(--sky),var(--sky-deep));
  background-size:96px 18px,96px 18px,96px 18px,100% 100%;background-repeat:repeat-x}

/* Đầu trang */
.du-header{position:sticky;top:0;z-index:90;background:rgba(32,84,140,.97);backdrop-filter:blur(8px);border-bottom:3px solid var(--gold)}
.du-header-in{display:flex;align-items:center;gap:28px;padding:14px 24px}
.du-brand{display:flex;align-items:center;flex-shrink:0}
.du-brand-img{height:52px;width:auto}
.du-nav{margin-left:auto}
.du-nav-list{display:flex;gap:4px;flex-wrap:wrap}
.du-nav-a{display:block;padding:10px 14px;font-size:14px;font-weight:600;color:#e8f0f8;border-radius:999px;transition:color .25s,background .25s}
.du-nav-a:hover{color:#fff}
.du-nav-a.is-active{color:#fff;background:var(--kite)}
.du-burger{display:none;width:46px;height:46px;border:1px solid var(--line);background:transparent;border-radius:12px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.du-burger span{display:block;width:20px;height:2px;background:var(--gold-soft);border-radius:2px;transition:transform .3s,opacity .3s}
.du-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.du-burger.is-open span:nth-child(2){opacity:0}
.du-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Menu di động: cánh diều phóng từ góc trên phải */
.du-scrim{position:fixed;inset:0;background:rgba(12,26,42,.78);opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s;z-index:98}
.du-scrim.is-on{opacity:1;visibility:visible}
.du-stringmenu{position:fixed;top:0;right:0;bottom:0;width:min(400px,92vw);z-index:99;background:var(--paper);border-left:5px solid var(--sky);transform:translate(34%,-112%) rotate(3deg);opacity:0;visibility:hidden;transition:transform .5s cubic-bezier(.3,1.2,.4,1),opacity .4s,visibility .4s;overflow:hidden;box-shadow:-24px 24px 60px -24px rgba(12,26,42,.5)}
.du-stringmenu.is-open{transform:none;opacity:1;visibility:visible}
.du-stringline{position:absolute;left:26px;top:-40px;bottom:14%;width:220px;height:220px;border:2px dashed rgba(43,108,176,.35);border-color:rgba(43,108,176,.35) transparent transparent rgba(43,108,176,.35);border-radius:50%;pointer-events:none}
.du-tailbow{position:absolute;pointer-events:none;width:26px;height:14px;background:
  linear-gradient(45deg,var(--gold) 0 49%,transparent 50%),
  linear-gradient(-45deg,var(--kite) 0 49%,transparent 50%),
  linear-gradient(135deg,var(--kite) 0 49%,transparent 50%),
  linear-gradient(-135deg,var(--gold) 0 49%,transparent 50%);
  opacity:.75;animation:du-bowfloat 4s ease-in-out infinite alternate}
.du-tailbow-1{left:12px;top:24%;transform:rotate(14deg)}
.du-tailbow-2{left:34px;top:52%;transform:rotate(-12deg);animation-delay:1.3s}
@keyframes du-bowfloat{from{transform:translateX(-4px) rotate(10deg)}to{transform:translateX(6px) rotate(16deg)}}
.du-stringmenu-in{position:relative;height:100%;display:flex;flex-direction:column;padding:26px 28px 34px;overflow:auto}
.du-stringmenu-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.du-stringmenu-title{font-family:var(--font-head);font-weight:700;font-size:20px;color:var(--sky-deep)}
.du-stringmenu-close{width:46px;height:46px;border:1px solid var(--line);background:transparent;color:var(--sky-deep);font-size:26px;border-radius:50%;cursor:pointer;line-height:1}
.du-stringmenu-list{display:flex;flex-direction:column;gap:8px;max-width:430px;margin:0 auto;width:100%}
.du-stringmenu-list a{display:flex;align-items:center;gap:14px;padding:13px 18px;border:1px solid rgba(43,108,176,.25);border-radius:16px;color:var(--tx);opacity:0;transform:translateY(16px) rotate(-2deg);transition:transform .5s cubic-bezier(.3,1.2,.4,1),opacity .5s,border-color .25s,background .25s}
.du-stringmenu.is-open .du-stringmenu-list a{transform:none;opacity:1}
.du-stringmenu.is-open .du-stringmenu-list li:nth-child(1) a{transition-delay:.05s}
.du-stringmenu.is-open .du-stringmenu-list li:nth-child(2) a{transition-delay:.1s}
.du-stringmenu.is-open .du-stringmenu-list li:nth-child(3) a{transition-delay:.15s}
.du-stringmenu.is-open .du-stringmenu-list li:nth-child(4) a{transition-delay:.2s}
.du-stringmenu.is-open .du-stringmenu-list li:nth-child(5) a{transition-delay:.25s}
.du-stringmenu.is-open .du-stringmenu-list li:nth-child(6) a{transition-delay:.3s}
.du-stringmenu.is-open .du-stringmenu-list li:nth-child(7) a{transition-delay:.35s}
.du-stringmenu.is-open .du-stringmenu-list li:nth-child(8) a{transition-delay:.4s}
.du-stringmenu.is-open .du-stringmenu-list li:nth-child(9) a{transition-delay:.45s}
.du-stringmenu-list a:hover{border-color:var(--sky);background:#fff}
.du-bowdot{width:16px;height:16px;flex-shrink:0;background:
  linear-gradient(45deg,var(--gold) 0 48%,transparent 49%),
  linear-gradient(-45deg,var(--kite) 0 48%,transparent 49%),
  linear-gradient(135deg,var(--kite) 0 48%,transparent 49%),
  linear-gradient(-135deg,var(--gold) 0 48%,transparent 49%);
  border-radius:3px;transform:rotate(45deg)}
.du-stringmenu-no{font-family:var(--font-head);font-weight:700;color:var(--kite);font-size:14px}
.du-stringmenu-name{font-size:16px;font-weight:600}
.du-stringmenu-note{margin-top:auto;padding-top:22px;text-align:center;color:var(--sky-deep);font-size:13px;opacity:.85}

/* Khối anh hùng: cánh diều giữa bầu trời */
.du-hero{background:
  radial-gradient(760px 460px at 86% 12%,rgba(116,161,194,.4),transparent 66%),
  radial-gradient(540px 380px at 4% 96%,rgba(226,177,60,.22),transparent 70%),
  linear-gradient(180deg,var(--paper-2),var(--paper) 80%);
  color:var(--tx);padding:82px 0 110px;overflow:hidden}
.du-hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.du-hero-kicker{display:flex;align-items:center;gap:10px;color:var(--kite);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px;margin-bottom:18px}
.du-hero-title{font-family:var(--font-head);font-weight:700;font-size:clamp(32px,4.4vw,52px);line-height:1.16;margin-bottom:20px;color:var(--sky-deep)}
.du-hero-desc{color:var(--tx-soft);font-size:16.5px;max-width:52ch;margin-bottom:30px}
.du-hero-acts{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.du-btn{display:inline-flex;align-items:center;gap:10px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;border:1px solid transparent}
.du-btn b{font-weight:700}
.du-btn:hover{transform:translateY(-2px)}
.du-btn-sky{background:var(--sky);color:#fff;box-shadow:0 12px 26px -12px rgba(43,108,176,.95)}
.du-btn-sky:hover{background:var(--sky-deep)}
.du-btn-kite{background:var(--kite);color:#fff;box-shadow:0 12px 26px -12px rgba(214,69,69,.95)}
.du-btn-kite:hover{background:var(--kite-soft)}
.du-btn-red{background:var(--kite);color:#fff;box-shadow:0 12px 26px -12px rgba(214,69,69,.95)}
.du-btn-red:hover{background:var(--kite-soft)}
.du-btn-gold{background:var(--gold);color:var(--sky-2);box-shadow:0 12px 26px -12px rgba(226,177,60,.95)}
.du-btn-gold:hover{background:var(--gold-soft)}
.du-btn-line{border-color:var(--sky);color:var(--sky-deep);background:transparent}
.du-btn-line:hover{background:rgba(255,255,255,.5)}
.du-btn-ghost{border-color:#dcd6c4;color:var(--tx);background:transparent}
.du-btn-ghost:hover{border-color:var(--kite);color:var(--kite)}
.du-hero-stats{display:flex;gap:38px}
.du-hero-stats li{display:flex;flex-direction:column;gap:4px;border-left:3px solid var(--gold);padding-left:16px}
.du-hero-stats strong{font-family:var(--font-head);font-weight:700;font-size:30px;color:var(--kite)}
.du-hero-stats span{font-size:13px;color:var(--tx-soft)}

.du-kite-wrap{position:relative;max-width:420px;margin:0 auto;width:100%;padding:46px 0 30px}
.du-kite{display:block;position:relative;width:min(300px,74%);margin:0 auto;border-radius:22px;overflow:hidden;border:6px solid var(--kite);transform:rotate(45deg);box-shadow:0 0 0 10px rgba(214,69,69,.14),var(--shadow)}
.du-kite img{width:100%;aspect-ratio:1;object-fit:cover;transform:rotate(-45deg) scale(1.42)}
.du-kite-string{position:absolute;left:-6%;bottom:8px;width:64%;height:200px;border:3px dashed rgba(43,108,176,.4);border-color:rgba(43,108,176,.4) transparent transparent transparent;border-radius:50%;pointer-events:none}
.du-kite-tail{position:absolute;pointer-events:none;width:26px;height:14px;background:
  linear-gradient(45deg,var(--gold) 0 49%,transparent 50%),
  linear-gradient(-45deg,var(--kite) 0 49%,transparent 50%),
  linear-gradient(135deg,var(--kite) 0 49%,transparent 50%),
  linear-gradient(-135deg,var(--gold) 0 49%,transparent 50%);
  opacity:.85;animation:du-bowfloat 5s ease-in-out infinite alternate}
.du-kite-tail-1{left:12%;bottom:38%;transform:rotate(18deg)}
.du-kite-tail-2{left:2%;bottom:12%;transform:rotate(-10deg);animation-delay:1.2s}
.du-kite-tail-3{left:30%;bottom:2%;transform:rotate(24deg);animation-delay:2.1s}
.du-skytag{position:absolute;top:-6px;right:-2px;background:var(--sky-2);color:var(--gold-soft);font-weight:700;font-size:12px;letter-spacing:.12em;padding:8px 16px;border-radius:999px;transform:rotate(4deg);box-shadow:var(--shadow);z-index:2}
.du-kite-cap{position:absolute;bottom:34px;right:0;background:rgba(23,50,78,.92);color:var(--gold-soft);font-size:13px;font-weight:700;padding:8px 14px;border-radius:999px;border:1px solid var(--gold)}

/* Khu vực chung */
.du-section{padding:84px 0}
.du-section-horizon{background:
  radial-gradient(700px 380px at 12% 8%,rgba(250,246,234,.5),transparent 70%),
  linear-gradient(180deg,var(--gold-soft),var(--gold));color:var(--tx)}
.du-section-mist{background:var(--paper-2)}
.du-head{margin-bottom:46px}
.du-head-center{text-align:center}
.du-head-split{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;flex-wrap:wrap}
.du-kicker{color:var(--kite);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:12.5px;margin-bottom:10px}
.du-kicker-ink{color:var(--sky-2)}
.du-kicker-gold{color:var(--gold-soft)}
.du-h2{font-family:var(--font-head);font-weight:700;font-size:clamp(26px,3.2vw,38px);line-height:1.2;color:var(--sky-deep)}
.du-h2-ink{color:var(--sky-2)}
.du-head-desc{color:var(--tx-soft);max-width:62ch;margin-top:12px}
.du-head-center .du-head-desc{margin-left:auto;margin-right:auto}
.du-head-desc-ink{color:rgba(23,50,78,.78)}
.du-no{font-family:var(--font-head);font-weight:700;font-size:12px;letter-spacing:.16em;color:var(--kite)}

/* Thẻ chuyên mục: hướng gió nơ giấy 4x2 */
.du-winds{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.du-wind{display:flex;flex-direction:column;background:#fff;border:1px solid #e2dcc9;border-radius:var(--radius);overflow:hidden;height:100%;transition:transform .3s,box-shadow .3s}
.du-wind:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.du-wind-media{display:block;position:relative;overflow:hidden}
.du-wind-media img{width:100%;aspect-ratio:9/6.6;object-fit:cover;transition:transform .5s}
.du-wind:hover .du-wind-media img{transform:scale(1.06)}
.du-wind-ribbon{position:absolute;right:10px;top:10px;width:22px;height:22px;background:
  linear-gradient(45deg,rgba(250,246,234,.95) 0 48%,transparent 49%),
  linear-gradient(-45deg,var(--kite) 0 48%,transparent 49%),
  linear-gradient(135deg,var(--kite) 0 48%,transparent 49%),
  linear-gradient(-135deg,rgba(250,246,234,.95) 0 48%,transparent 49%);
  border-radius:4px;transform:rotate(45deg)}
.du-wind-body{display:flex;flex-direction:column;gap:8px;padding:16px 18px 20px;flex:1;border-bottom:4px solid var(--sky)}
.du-wind-name{font-family:var(--font-head);font-weight:700;font-size:19px;color:var(--sky-deep)}
.du-wind-desc{font-size:13.5px;color:var(--tx-soft);flex:1}
.du-wind-go{font-size:13.5px;font-weight:700;color:var(--kite)}

/* Tiêu điểm: dải đồng vàng cuối chiều */
.du-horizon{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start}
.du-lead{background:var(--paper);color:var(--tx);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(226,177,60,.7)}
.du-lead a{display:flex;flex-direction:column;height:100%}
.du-lead-media img{width:100%;aspect-ratio:8/5.2;object-fit:cover}
.du-lead-body{display:flex;flex-direction:column;gap:12px;padding:26px}
.du-chip{display:inline-flex;align-items:center;width:max-content;background:var(--kite);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.06em}
.du-lead-title{font-family:var(--font-head);font-weight:700;font-size:23px;line-height:1.3;color:var(--sky-deep)}
.du-lead-desc{color:var(--tx-soft);font-size:14.5px}
.du-lead-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--tx-soft);margin-top:auto}
.du-more{font-weight:700;color:var(--kite);font-size:13.5px}
.du-stringtrack{display:flex;flex-direction:column;gap:16px;position:relative;padding-left:34px}
.du-stringtrack::before{content:"";position:absolute;left:6px;top:12px;bottom:12px;width:5px;border-radius:5px;background:repeating-linear-gradient(var(--sky-2) 0 12px,transparent 12px 24px);opacity:.5}
.du-step a{display:flex;gap:16px;align-items:center;background:rgba(250,246,234,.92);color:var(--tx);border:1px solid rgba(23,50,78,.28);border-radius:16px;padding:16px 20px;position:relative;transition:transform .3s,box-shadow .3s,border-color .25s}
.du-step a:hover{transform:translateX(8px);border-color:var(--sky-2)}
.du-step-pin{flex-shrink:0;width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;background:radial-gradient(circle,var(--gold-soft) 0 30%,var(--gold) 78%);border:2px solid var(--sky-2);border-radius:50%}
.du-step-pin b{font-family:var(--font-head);font-weight:700;color:var(--sky-2);font-size:14px}
.du-step a:hover .du-step-pin{background:radial-gradient(circle,#fff 0 30%,var(--gold-soft) 78%)}
.du-step-body{display:flex;flex-direction:column;gap:6px}
.du-step-title{font-family:var(--font-head);font-weight:700;font-size:16px;line-height:1.34;color:var(--sky-2)}
.du-step-meta{display:flex;gap:12px;font-size:12.5px;color:var(--tx-soft)}
.du-step-meta i{font-style:normal;color:var(--kite);font-weight:600}

/* Lưới thẻ bài viết */
.du-grid{display:grid;gap:24px}
.du-grid-4{grid-template-columns:repeat(4,1fr)}
.du-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid #e2dcc9;transition:transform .3s,box-shadow .3s}
.du-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.du-card-link{display:flex;flex-direction:column;height:100%}
.du-card-media{position:relative;overflow:hidden;display:block}
.du-card-media img{width:100%;aspect-ratio:8/5.6;object-fit:cover;transition:transform .5s}
.du-card:hover .du-card-media img{transform:scale(1.06)}
.du-card-date{position:absolute;left:12px;bottom:12px;background:var(--sky);color:#fff;font-style:normal;font-weight:700;font-size:12.5px;padding:6px 13px;letter-spacing:.04em;border-radius:999px}
.du-card-body{display:flex;flex-direction:column;gap:9px;padding:18px;flex:1}
.du-card-cat{font-size:12px;font-weight:700;color:var(--kite);letter-spacing:.1em;text-transform:uppercase}
.du-card-title{font-family:var(--font-head);font-weight:700;font-size:16px;line-height:1.4;color:var(--sky-deep);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.du-card-foot{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--tx-soft)}

/* Hỏi đáp: kéo từng sợi dây */
.du-faq-shell{max-width:880px}
.du-faq{display:flex;flex-direction:column;gap:14px}
.du-faq-item{background:#fff;border:1px solid #e2dcc9;border-radius:26px 10px 26px 10px;overflow:hidden}
.du-faq-item[open]{border-color:var(--kite);box-shadow:0 0 0 1px var(--kite)}
.du-faq-item summary{display:flex;align-items:center;gap:16px;padding:18px 24px;cursor:pointer;list-style:none}
.du-faq-item summary::-webkit-details-marker{display:none}
.du-faq-q{font-family:var(--font-head);font-weight:700;font-size:16.5px;color:var(--sky-deep);flex:1}
.du-faq-ico{position:relative;width:22px;height:22px;flex-shrink:0}
.du-faq-ico::before,.du-faq-ico::after{content:"";position:absolute;background:var(--kite);border-radius:2px;transition:transform .3s}
.du-faq-ico::before{left:0;top:10px;width:22px;height:2px}
.du-faq-ico::after{left:10px;top:0;width:2px;height:22px}
.du-faq-item[open] .du-faq-ico::after{transform:rotate(90deg)}
.du-faq-a{padding:0 24px 20px 62px;color:var(--tx-soft);font-size:14.5px}

/* Dải giới thiệu trời chiều */
.du-about{background:
  radial-gradient(680px 380px at 84% 22%,rgba(116,161,194,.24),transparent 70%),
  linear-gradient(180deg,var(--sky-2),#102538);
  color:var(--paper);padding:84px 0}
.du-about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.du-about-title{font-family:var(--font-head);font-weight:700;font-size:clamp(26px,3vw,36px);margin-bottom:16px;color:var(--paper)}
.du-about-desc{color:#c4d4e4;margin-bottom:28px;max-width:56ch}
.du-about-stats{display:flex;gap:34px;margin-bottom:32px}
.du-about-stats li{display:flex;flex-direction:column;gap:4px;border-left:3px solid var(--gold);padding-left:14px}
.du-about-stats strong{font-family:var(--font-head);font-weight:700;font-size:26px;color:var(--gold-soft)}
.du-about-stats span{font-size:12.5px;color:#95a9bd}
.du-about-media{position:relative}
.du-about-frame{display:block;border:3px solid var(--gold);border-radius:50% 50% 22px 22px/36% 36% 22px 22px;overflow:hidden;box-shadow:0 0 0 8px rgba(226,177,60,.15),var(--shadow)}
.du-about-frame img{width:100%;aspect-ratio:12/8.5;object-fit:cover}
.du-about-cap{position:absolute;bottom:-14px;left:24px;background:var(--gold);color:var(--sky-2);font-size:13px;font-weight:700;padding:8px 16px;border-radius:999px;border:2px solid var(--paper)}

/* Băng rôn trang trong */
.du-ibanner{position:relative;background:
  radial-gradient(600px 240px at 90% 0%,rgba(116,161,194,.35),transparent 70%),
  linear-gradient(180deg,var(--sky),var(--sky-deep));color:var(--paper);padding:56px 0;overflow:hidden}
.du-ibanner-sky{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.du-ibanner-sky i{position:absolute;width:34px;height:34px;border-radius:6px;opacity:.5;transform:rotate(45deg);
  background:linear-gradient(45deg,var(--gold-soft) 0 48%,transparent 49%),linear-gradient(135deg,rgba(250,246,234,.5) 0 48%,transparent 49%);
  animation:du-kitedrift 8s ease-in-out infinite alternate}
.du-ibanner-sky i:nth-child(1){left:6%;top:16px}
.du-ibanner-sky i:nth-child(2){left:24%;bottom:14px;animation-delay:1.4s;opacity:.35}
.du-ibanner-sky i:nth-child(3){left:48%;top:6px;animation-delay:2.6s}
.du-ibanner-sky i:nth-child(4){left:70%;bottom:20px;animation-delay:3.4s;opacity:.4;width:24px;height:24px}
.du-ibanner-sky i:nth-child(5){left:90%;top:22px;animation-delay:4.2s}
@keyframes du-kitedrift{from{transform:rotate(45deg) translateY(-10px)}to{transform:rotate(38deg) translateY(12px)}}
.du-ibanner-in{position:relative}
.du-ibanner-title{font-family:var(--font-head);font-weight:700;font-size:clamp(28px,3.6vw,42px);margin:12px 0 10px;color:var(--paper)}
.du-ibanner-desc{color:#c4d4e4;max-width:64ch;font-size:15px}

/* Đường dẫn */
.du-crumb{padding:18px 0 0}
.du-crumb-list{display:flex;align-items:center;gap:10px;flex-wrap:wrap;list-style:none;margin:0;padding:0;font-size:13.5px;color:#95a9bd}
.du-crumb-list li{display:flex;align-items:center;gap:10px}
.du-crumb-list li+li::before{content:"\2248";color:var(--gold-soft);font-size:12px}
.du-crumb-list a{color:var(--gold-soft);font-weight:600}
.du-crumb-list a:hover{text-decoration:underline}
.du-crumb-list strong{color:var(--paper);font-weight:600}
.du-crumb-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13.5px;color:var(--tx-soft)}
.du-crumb-line a{color:var(--kite);font-weight:600}
.du-crumb-line a:hover{text-decoration:underline}
.du-crumb-sep{color:var(--kite);font-size:10px}
.du-crumb-now{font-weight:700;color:var(--sky-deep)}
.du-ibanner .du-crumb{padding:0}

/* Đầu trang nội dung */
.du-page{padding-top:56px}
.du-page-head{margin-bottom:40px}
.du-page-h1{font-family:var(--font-head);font-weight:700;font-size:clamp(28px,3.4vw,40px);color:var(--sky-deep);margin-bottom:14px}
.du-page-desc{color:var(--tx-soft);max-width:70ch;margin-bottom:24px}
.du-page-acts{display:flex;gap:14px;flex-wrap:wrap}

/* Chuyên mục khác */
.du-other{margin-top:56px}
.du-block-h,.du-other-title,.du-rel-title{font-family:var(--font-head);font-weight:700;font-size:24px;color:var(--sky-deep);margin-bottom:22px}
.du-other-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.du-other-list a{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid #e2dcc9;border-radius:14px;padding:16px 18px;transition:transform .25s,box-shadow .25s}
.du-other-list a:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.du-other-body{display:flex;flex-direction:column;gap:4px;flex:1}
.du-other-body strong{font-family:var(--font-head);font-weight:700;font-size:16px;color:var(--sky-deep)}
.du-other-body span{font-size:13px;color:var(--tx-soft)}
.du-other-go{color:var(--kite);font-size:20px;font-weight:700}

/* Trang danh sách */
.du-list-wrap{display:grid;grid-template-columns:1fr 330px;gap:44px;align-items:start}
.du-rows{display:flex;flex-direction:column;gap:18px}
.du-lrow{background:#fff;border:1px solid #e2dcc9;border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s}
.du-lrow:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.du-lrow-link{display:grid;grid-template-columns:230px 1fr 74px}
.du-lrow-media img{width:100%;height:100%;object-fit:cover}
.du-lrow-body{display:flex;flex-direction:column;gap:8px;padding:18px 20px}
.du-lrow-meta i{font-style:normal;font-size:12px;font-weight:700;color:var(--kite);letter-spacing:.1em;text-transform:uppercase}
.du-lrow-title{font-family:var(--font-head);font-weight:700;font-size:18px;line-height:1.34;color:var(--sky-deep)}
.du-lrow-desc{font-size:13.5px;color:var(--tx-soft)}
.du-lrow-date{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;background:var(--sky-2);color:var(--gold-soft);padding:10px}
.du-lrow-date b{font-family:var(--font-head);font-weight:700;font-size:26px;line-height:1}
.du-lrow-date i{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--gold-soft)}
.du-pagi{display:flex;gap:8px;margin-top:30px;flex-wrap:wrap}
.du-pagi a,.du-pagi button{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #e2dcc9;background:#fff;color:var(--tx);border-radius:999px;font-weight:700;font-size:14px;cursor:pointer;padding:0 12px;font-family:var(--font-body)}
.du-pagi .is-cur{background:var(--sky);border-color:var(--sky);color:#fff}
.du-pagi .is-dis{opacity:.45;pointer-events:none}
.du-pagi a:hover:not(.is-cur){border-color:var(--kite);color:var(--kite)}

/* Cột bên */
.du-side{display:flex;flex-direction:column;gap:26px;position:sticky;top:96px}
.du-side-box{background:#fff;border:1px solid #e2dcc9;border-radius:var(--radius);padding:22px}
.du-side-h{font-family:var(--font-head);font-weight:700;font-size:18px;color:var(--sky-deep);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--gold)}
.du-side-hot{display:flex;flex-direction:column;gap:14px}
.du-side-hot a{display:grid;grid-template-columns:76px 1fr;gap:12px;align-items:center}
.du-side-hot img{width:76px;height:58px;object-fit:cover;border-radius:999px;border:2px solid var(--lightsky)}
.du-side-hot-body{display:flex;flex-direction:column;gap:3px}
.du-side-hot-body strong{font-size:13.5px;font-weight:600;line-height:1.4;color:var(--sky-deep);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.du-side-hot-body time{font-size:11.5px;color:var(--tx-soft)}
.du-side-more{display:inline-flex;gap:6px;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--kite)}
.du-side-list{display:flex;flex-direction:column;gap:12px}
.du-side-list a{display:flex;gap:12px;align-items:baseline;font-size:13.5px;color:var(--sky-deep)}
.du-side-list a:hover{color:var(--kite)}
.du-dot{width:24px;height:24px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:var(--gold);color:var(--sky-2);border-radius:50%;font-size:12px;font-weight:800;transform:translateY(4px)}
.du-side-note{background:var(--sky-2);border-color:var(--line)}
.du-side-note .du-side-h{color:var(--gold-soft);border-color:var(--gold)}
.du-side-note p{color:#c4d4e4;font-size:13.5px;margin-bottom:16px}

/* Trang bài viết */
.du-article-wrap{display:grid;grid-template-columns:1fr 330px;gap:44px;align-items:start}
.du-article-h1{font-family:var(--font-head);font-weight:700;font-size:clamp(26px,3vw,38px);line-height:1.3;color:var(--sky-deep);margin-bottom:18px}
.du-article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--tx-soft);margin-bottom:24px}
.du-meta-item b{color:var(--sky-deep)}
.du-article-figure{margin-bottom:26px;border-radius:var(--radius);overflow:hidden;border:1px solid #e2dcc9}
.du-article-figure img{width:100%;height:auto}
.du-article-body{font-size:16px;color:var(--tx)}
.du-article-body p{margin-bottom:18px}
.du-article-body h2{font-family:var(--font-head);font-weight:700;font-size:24px;color:var(--sky-deep);margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--gold)}
.du-article-body h3{font-family:var(--font-head);font-weight:700;font-size:19px;color:var(--sky-deep);margin:26px 0 12px}
.du-article-body ul,.du-article-body ol{margin:0 0 18px 22px;list-style:disc}
.du-article-body ol{list-style:decimal}
.du-article-body li{margin-bottom:8px}
.du-article-body img{border-radius:12px;margin:20px 0}
.du-article-body blockquote{border-left:4px solid var(--kite);background:var(--paper-2);padding:16px 20px;border-radius:0 12px 12px 0;margin:0 0 18px;color:var(--tx-soft);font-style:italic}
.du-article-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:30px;padding-top:22px;border-top:1px solid #e2dcc9}
.du-tag-label{font-size:13px;color:var(--tx-soft)}
.du-tag{background:var(--paper-2);border:1px solid #e2dcc9;color:var(--tx);font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:999px;transition:all .25s}
.du-tag:hover{background:var(--sky);border-color:var(--sky);color:#fff}
.du-switcher{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:34px 0 44px}
.du-switcher-cell{background:#fff;border:1px solid #e2dcc9;border-radius:14px;padding:16px 18px;display:flex;flex-direction:column;gap:6px}
.du-switcher-next{text-align:right}
.du-switcher-label{font-size:12px;font-weight:700;color:var(--kite);letter-spacing:.12em;text-transform:uppercase}
.du-switcher-link{font-family:var(--font-head);font-weight:700;font-size:15px;color:var(--sky-deep)}
.du-switcher-link:hover{color:var(--kite)}
.du-switcher-empty{font-size:13.5px;color:var(--tx-soft)}

/* Liên kết website */
.du-flink{background:var(--paper-2);padding:56px 0}
.du-flink-head{text-align:center;margin-bottom:30px}
.du-flink-title{font-family:var(--font-head);font-weight:700;font-size:24px;color:var(--sky-deep);margin-bottom:8px}
.du-flink-note{color:var(--tx-soft);font-size:14px}
.du-flink-row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.du-flink-chip{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #e2dcc9;border-radius:999px;padding:10px 20px 10px 10px;font-weight:600;font-size:14px;color:var(--sky-deep);transition:transform .25s,box-shadow .25s}
.du-flink-chip:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.du-flink-logo{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid var(--gold)}

/* Chân trang */
.du-footer{background:var(--sky-2);color:var(--paper);padding-bottom:36px}
.du-string{display:flex;justify-content:center;gap:12px;padding:22px 0 14px}
.du-string i{display:block;width:24px;height:13px;background:
  linear-gradient(45deg,var(--gold-soft) 0 48%,transparent 49%),
  linear-gradient(-45deg,rgba(228,106,106,.9) 0 48%,transparent 49%),
  linear-gradient(135deg,rgba(228,106,106,.9) 0 48%,transparent 49%),
  linear-gradient(-135deg,var(--gold-soft) 0 48%,transparent 49%);
  border-radius:3px;transform:rotate(45deg);animation:du-bowfloat 4s ease-in-out infinite alternate}
.du-string i:nth-child(2n){animation-delay:.9s;width:18px;height:10px}
.du-string i:nth-child(3n){animation-delay:1.7s;width:28px;height:15px}
.du-string-foot{margin-bottom:32px;border-bottom:1px solid rgba(226,177,60,.22);padding-bottom:24px}
.du-foot-top{display:flex;align-items:center;gap:30px;flex-wrap:wrap;margin-bottom:44px}
.du-fbrand{display:flex;align-items:center}
.du-fbrand-img{height:56px;width:auto}
.du-foot-slogan{color:#95a9bd;font-size:14px;max-width:52ch}
.du-foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(226,177,60,.22);margin-bottom:26px}
.du-foot-h{font-family:var(--font-head);font-weight:700;font-size:17px;color:var(--gold-soft);margin-bottom:16px}
.du-foot-list{display:flex;flex-direction:column;gap:10px}
.du-foot-cats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.du-foot-list a{color:#d5e0eb;font-size:14px;transition:color .25s,padding-left .25s}
.du-foot-list a:hover{color:var(--gold-soft);padding-left:4px}
.du-foot-info{display:flex;flex-direction:column;gap:12px}
.du-foot-info li{display:flex;flex-direction:column;gap:2px}
.du-foot-key{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-soft);font-weight:700}
.du-foot-val{font-size:14px;color:var(--paper)}
.du-foot-copy{font-size:13px;color:#8ba0b5;margin-bottom:14px}
.du-foot-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;font-size:12.5px;color:#8ba0b5}
.du-foot-sitemap{color:var(--gold-soft)}
.du-foot-sitemap:hover{text-decoration:underline}

/* Nút lên đầu trang */
.du-top-btn{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:999px;background:var(--kite);color:#fff;border:2px solid var(--kite-soft);font-size:20px;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s;z-index:80}
.du-top-btn.is-on{opacity:1;visibility:visible;transform:none}
.du-top-btn:hover{background:var(--kite-soft)}

/* Trang 404 */
.du-404{padding:110px 0;background:
  radial-gradient(700px 340px at 50% 0%,rgba(116,161,194,.3),transparent 70%),
  var(--sky-2);color:var(--paper)}
.du-404-board{max-width:640px;margin:0 auto;text-align:center;padding:0 24px}
.du-404-code{display:block;font-family:var(--font-head);font-weight:700;font-size:120px;line-height:1;color:transparent;-webkit-text-stroke:2px var(--gold-soft);margin-bottom:16px}
.du-404-kicker{color:var(--gold-soft);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px;margin-bottom:12px}
.du-404-title{font-family:var(--font-head);font-weight:700;font-size:32px;margin-bottom:14px;color:var(--paper)}
.du-404-desc{color:#c4d4e4;margin-bottom:30px}
.du-404-acts{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Khung phụ: cột nội dung, cột chân trang, mục liên quan */
.du-hero-copy,.du-about-copy,.du-foot-col,.du-list-main,.du-show-main{min-width:0}
.du-foot-base{margin-top:4px}
.du-related{margin-top:8px}

/* Hiệu ứng hiện dần, chỉ bật khi có js */
html.du-js .du-reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
html.du-js .du-reveal.is-in{opacity:1;transform:none}

/* Đáp ứng màn hình */
@media(max-width:1100px){
  .du-winds,.du-grid-4{grid-template-columns:repeat(2,1fr)}
  .du-nav{display:none}
  .du-burger{display:flex}
  .du-hero-in{grid-template-columns:1fr;gap:44px}
  .du-kite-wrap{max-width:380px}
}
@media(max-width:900px){
  .du-horizon{grid-template-columns:1fr}
  .du-list-wrap,.du-article-wrap{grid-template-columns:1fr}
  .du-side{position:static}
  .du-about-wrap{grid-template-columns:1fr;gap:44px}
  .du-foot-grid{grid-template-columns:1fr;gap:30px}
  .du-other-list{grid-template-columns:1fr}
}
@media(max-width:640px){
  .du-section{padding:60px 0}
  .du-hero{padding:56px 0 90px}
  .du-hero-stats{gap:22px;flex-wrap:wrap}
  .du-winds,.du-grid-4{grid-template-columns:1fr}
  .du-lrow-link{grid-template-columns:120px 1fr}
  .du-lrow-date{display:none}
  .du-switcher{grid-template-columns:1fr}
  .du-switcher-next{text-align:left}
  .du-faq-a{padding-left:24px}
  .du-head-split{align-items:flex-start;flex-direction:column}
  .du-foot-cats{grid-template-columns:1fr 1fr}
  .du-kite{width:min(240px,80%)}
  .du-kite-tail-3{display:none}
}