/* DOI CAT VIET - giao dien doi cat Mui Ne (mau 1278) */
/* Bang mau: cat vang, hoang hon cam, bau troi xanh, trang cat */
:root{
  --dune:#d8a24a;
  --dune-deep:#b88636;
  --dune-soft:#e8c07a;
  --sunset:#c65f3d;
  --sunset-deep:#a34c30;
  --sunset-2:#8f3b25;
  --sky:#2b6f8e;
  --sky-deep:#1e546e;
  --sky-soft:#74a8c2;
  --sand:#f8f1e4;
  --sand-2:#efe4cd;
  --grain:#bea884;
  --ash:#8a7a64;
  --line:rgba(64,38,26,.28);
  --tx:#3a2e22;
  --tx-soft:#8a7a64;
  --shadow:0 18px 44px -18px rgba(64,38,26,.42);
  --radius:16px;
  --font-head:'Faustina',serif;
  --font-body:'Be Vietnam Pro',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
body.sd-body{
  font-family:var(--font-body);
  color:var(--tx);
  background:var(--sand);
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
.sd-shell{max-width:1240px;margin:0 auto;padding:0 24px}
.sd-skip{position:absolute;left:-9999px;top:0;background:var(--sunset);color:#fff;padding:10px 18px;z-index:200;border-radius:0 0 12px 0}
.sd-skip:focus{left:0}

/* Dai gio: nhung vach gio luot tren nen hoang hon */
.sd-windband{position:relative;height:22px;background:linear-gradient(180deg,var(--sunset),var(--sunset-deep));border-bottom:3px solid var(--dune)}
.sd-gust{position:absolute;top:9px;width:44px;height:3px;border-radius:2px;background:rgba(248,241,228,.8);animation:sd-driftband 4.2s ease-in-out infinite alternate}
.sd-gust:nth-child(1){left:12%}
.sd-gust:nth-child(2){left:46%;width:64px;animation-delay:1.4s;top:7px}
.sd-gust:nth-child(3){left:78%;width:34px;animation-delay:2.6s;top:11px}
@keyframes sd-driftband{from{transform:translateX(-6px);opacity:.5}to{transform:translateX(10px);opacity:.95}}

/* Dau trang */
.sd-header{position:sticky;top:0;z-index:90;background:rgba(64,38,26,.97);backdrop-filter:blur(8px);border-bottom:3px solid var(--dune)}
.sd-header-in{display:flex;align-items:center;gap:28px;padding:14px 24px}
.sd-brand{display:flex;align-items:center;flex-shrink:0}
.sd-brand-img{height:52px;width:auto}
.sd-nav{margin-left:auto}
.sd-nav-list{display:flex;gap:4px;flex-wrap:wrap}
.sd-nav-a{display:block;padding:10px 14px;font-size:14px;font-weight:600;color:#f0e4cf;border-radius:999px;transition:color .25s,background .25s}
.sd-nav-a:hover{color:#fff;background:rgba(248,241,228,.14)}
.sd-nav-a.is-active{color:#40261a;background:var(--sand)}
.sd-burger{display:none;width:46px;height:46px;border:1px solid rgba(248,241,228,.4);background:transparent;border-radius:999px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.sd-burger span{display:block;width:20px;height:2px;background:var(--sand);border-radius:2px;transition:transform .3s,opacity .3s}
.sd-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.sd-burger.is-open span:nth-child(2){opacity:0}
.sd-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Menu di dong: tam cat truot tu phai, vai doi cong o mep trai */
.sd-scrim{position:fixed;inset:0;background:rgba(38,22,12,.8);opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s;z-index:98}
.sd-scrim.is-on{opacity:1;visibility:visible}
.sd-dunemenu{position:fixed;top:0;right:0;bottom:0;width:min(430px,94vw);z-index:99;background:
  radial-gradient(420px 260px at 88% 4%,rgba(216,162,74,.22),transparent 62%),
  radial-gradient(560px 300px at 8% 96%,rgba(198,95,61,.16),transparent 66%),
  linear-gradient(200deg,#4a2c1d,#33200f 70%,#2a1908);
  border-radius:96px 0 0 0;box-shadow:-24px 0 60px -30px rgba(30,15,5,.8);
  transform:translateX(106%);opacity:0;visibility:hidden;transition:transform .5s cubic-bezier(.32,.9,.35,1),opacity .5s,visibility .5s;overflow-y:auto}
.sd-dunemenu.is-open{transform:none;opacity:1;visibility:visible}
.sd-dunemenu-in{position:relative;display:flex;flex-direction:column;justify-content:center;min-height:100%;padding:52px 28px 44px}
.sd-dunemenu-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}
.sd-dunemenu-title{font-family:var(--font-head);font-size:22px;color:var(--sand)}
.sd-dunemenu-close{width:46px;height:46px;border:1px solid rgba(248,241,228,.4);background:transparent;color:var(--sand);font-size:26px;border-radius:50%;cursor:pointer;line-height:1}
.sd-dunemenu-list{display:flex;flex-direction:column;gap:10px;max-width:560px;margin:0 auto;width:100%}
.sd-dunemenu-list a{display:flex;align-items:center;gap:14px;padding:13px 18px;border:1px solid rgba(216,162,74,.38);border-radius:18px 999px 999px 18px;color:var(--sand);background:rgba(248,241,228,.05);opacity:0;transform:translateX(44px);transition:transform .5s cubic-bezier(.3,1.1,.4,1),opacity .5s,border-color .25s,background .25s}
.sd-dunemenu.is-open .sd-dunemenu-list a{transform:none;opacity:1}
.sd-dunemenu.is-open .sd-dunemenu-list li:nth-child(1) a{transition-delay:.16s}
.sd-dunemenu.is-open .sd-dunemenu-list li:nth-child(2) a{transition-delay:.22s}
.sd-dunemenu.is-open .sd-dunemenu-list li:nth-child(3) a{transition-delay:.28s}
.sd-dunemenu.is-open .sd-dunemenu-list li:nth-child(4) a{transition-delay:.34s}
.sd-dunemenu.is-open .sd-dunemenu-list li:nth-child(5) a{transition-delay:.4s}
.sd-dunemenu.is-open .sd-dunemenu-list li:nth-child(6) a{transition-delay:.46s}
.sd-dunemenu.is-open .sd-dunemenu-list li:nth-child(7) a{transition-delay:.52s}
.sd-dunemenu.is-open .sd-dunemenu-list li:nth-child(8) a{transition-delay:.58s}
.sd-dunemenu.is-open .sd-dunemenu-list li:nth-child(9) a{transition-delay:.64s}
.sd-dunemenu-list a:hover{border-color:var(--dune);background:rgba(216,162,74,.16)}
.sd-step{position:relative;width:11px;height:15px;flex-shrink:0;background:linear-gradient(180deg,var(--dune-soft),var(--dune));border-radius:50% 50% 46% 54%/62% 62% 38% 38%;transform:rotate(-14deg)}
.sd-step::after{content:"";position:absolute;top:-4px;right:-3px;width:5px;height:5px;border-radius:50%;background:var(--dune-soft)}
.sd-dunemenu-list li:nth-child(2n) .sd-step{transform:rotate(14deg)}
.sd-dunemenu-no{font-family:var(--font-head);color:var(--dune-soft);font-size:12px;letter-spacing:.1em;flex-shrink:0}
.sd-dunemenu-name{font-size:16px;font-weight:600;flex:1}
.sd-dunemenu-note{margin-top:26px;text-align:center;color:var(--grain);font-size:13px;opacity:.9}

/* Khoi anh hung: suon doi cat duoi nang */
.sd-hero{background:
  radial-gradient(720px 420px at 88% 10%,rgba(198,95,61,.16),transparent 66%),
  radial-gradient(560px 380px at 2% 96%,rgba(43,111,142,.1),transparent 70%),
  linear-gradient(180deg,var(--sand-2),var(--sand) 80%);
  color:var(--tx);padding:82px 0 104px;overflow:hidden}
.sd-hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.sd-hero-kicker{display:flex;align-items:center;gap:10px;color:var(--sky-deep);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px;margin-bottom:18px}
.sd-hero-title{font-family:var(--font-head);font-weight:600;font-size:clamp(30px,4vw,48px);line-height:1.2;margin-bottom:20px;color:var(--sunset-2)}
.sd-hero-desc{color:var(--tx-soft);font-size:16.5px;max-width:52ch;margin-bottom:30px}
.sd-hero-acts{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.sd-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}
.sd-btn b{font-weight:700}
.sd-btn:hover{transform:translateY(-2px)}
.sd-btn-dune{background:var(--sunset);color:#fff;box-shadow:0 12px 26px -12px rgba(198,95,61,.95)}
.sd-btn-dune:hover{background:var(--sunset-deep)}
.sd-btn-red{background:var(--sunset);color:#fff;box-shadow:0 12px 26px -12px rgba(198,95,61,.95)}
.sd-btn-red:hover{background:var(--sunset-deep)}
.sd-btn-sky{background:var(--sky);color:#fff;box-shadow:0 12px 26px -12px rgba(43,111,142,.95)}
.sd-btn-sky:hover{background:var(--sky-deep)}
.sd-btn-gold{background:var(--dune);color:#4a3410;box-shadow:0 12px 26px -12px rgba(216,162,74,.95)}
.sd-btn-gold:hover{background:var(--dune-soft)}
.sd-btn-line{border-color:var(--sunset);color:var(--sunset-deep);background:transparent}
.sd-btn-line:hover{background:rgba(255,255,255,.6)}
.sd-btn-ghost{border-color:#ddd0b6;color:var(--tx);background:transparent}
.sd-btn-ghost:hover{border-color:var(--sky);color:var(--sky-deep)}
.sd-hero-stats{display:flex;gap:38px}
.sd-hero-stats li{display:flex;flex-direction:column;gap:4px;border-left:3px solid var(--sunset);padding-left:16px}
.sd-hero-stats strong{font-family:var(--font-head);font-weight:600;font-size:30px;color:var(--sky-deep)}
.sd-hero-stats span{font-size:13px;color:var(--tx-soft)}

/* Hinh doi: mat troi lan sau suon, dau chan len doi */
.sd-dune-wrap{position:relative;max-width:440px;margin:0 auto;width:100%;padding:30px 14px 58px}
.sd-sun{position:absolute;top:0;right:8px;width:118px;height:118px;border-radius:50%;background:radial-gradient(circle at 36% 34%,var(--dune-soft),var(--sunset) 68%,var(--sunset-deep));animation:sd-sunpulse 5s ease-in-out infinite alternate}
@keyframes sd-sunpulse{from{box-shadow:0 0 30px rgba(198,95,61,.38)}to{box-shadow:0 0 72px rgba(198,95,61,.6)}}
.sd-ridge{position:relative;display:block;margin:58px auto 0;width:min(380px,100%);background:linear-gradient(160deg,var(--dune),var(--sunset-deep));padding:10px;border-radius:56% 44% 18px 18px/32% 28% 18px 18px;box-shadow:var(--shadow)}
.sd-ridge img{width:100%;aspect-ratio:8/6.4;object-fit:cover;border-radius:54% 42% 14px 14px/30% 26% 14px 14px}
.sd-wind{position:absolute;left:0;top:16px;width:180px;height:60px;pointer-events:none}
.sd-wind i{position:absolute;height:3px;border-radius:2px;background:rgba(184,134,54,.55);animation:sd-sweep 4.6s ease-in-out infinite}
.sd-wind i:nth-child(1){left:4%;top:6px;width:70px}
.sd-wind i:nth-child(2){left:16%;top:26px;width:110px;animation-delay:1.5s}
.sd-wind i:nth-child(3){left:6%;top:46px;width:52px;animation-delay:2.9s}
@keyframes sd-sweep{0%{transform:translateX(-14px);opacity:0}35%{opacity:.9}100%{transform:translateX(26px);opacity:0}}
.sd-tracks{position:absolute;left:8px;bottom:64px;width:150px;height:110px;pointer-events:none}
.sd-tracks i{position:absolute;width:11px;height:15px;background:var(--sunset-deep);border-radius:50% 50% 46% 54%/62% 62% 38% 38%;opacity:.75}
.sd-tracks i::after{content:"";position:absolute;top:-4px;right:-3px;width:5px;height:5px;border-radius:50%;background:var(--sunset-deep)}
.sd-tracks i:nth-child(1){left:0;bottom:0;transform:rotate(-24deg)}
.sd-tracks i:nth-child(2){left:26px;bottom:18px;transform:rotate(12deg)}
.sd-tracks i:nth-child(3){left:52px;bottom:38px;transform:rotate(-20deg)}
.sd-tracks i:nth-child(4){left:80px;bottom:56px;transform:rotate(14deg)}
.sd-tracks i:nth-child(5){left:106px;bottom:76px;transform:rotate(-18deg)}
.sd-suntag{position:absolute;bottom:78px;right:-2px;background:var(--sky-deep);color:var(--dune-soft);font-weight:700;font-size:11.5px;letter-spacing:.14em;padding:10px 15px;border:1px solid var(--dune);border-radius:999px;transform:rotate(2deg);box-shadow:var(--shadow);z-index:2}
.sd-ridge-cap{position:absolute;bottom:4px;left:0;background:rgba(64,38,26,.92);color:var(--sand);font-size:13px;font-weight:700;padding:8px 14px;border-radius:999px;border:1px solid var(--sunset)}

/* Khu vuc chung */
.sd-section{padding:84px 0}
.sd-section-dune{background:
  radial-gradient(700px 380px at 88% 8%,rgba(248,241,228,.6),transparent 70%),
  linear-gradient(180deg,#dfeaf0,#cedfe8);color:var(--tx)}
.sd-section-sand{background:var(--sand-2)}
.sd-head{margin-bottom:46px}
.sd-head-center{text-align:center}
.sd-head-split{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;flex-wrap:wrap}
.sd-kicker{color:var(--sky-deep);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:12.5px;margin-bottom:10px}
.sd-kicker-sky{color:#1e546e}
.sd-kicker-cream{color:var(--sand)}
.sd-h2{font-family:var(--font-head);font-weight:600;font-size:clamp(26px,3vw,36px);line-height:1.26;color:var(--sunset-2)}
.sd-h2-sky{color:#1e546e}
.sd-head-desc{color:var(--tx-soft);max-width:62ch;margin-top:12px}
.sd-head-center .sd-head-desc{margin-left:auto;margin-right:auto}
.sd-head-desc-sky{color:rgba(30,84,110,.85)}
.sd-no{font-family:var(--font-head);font-size:11.5px;letter-spacing:.18em;color:var(--sky-deep);font-weight:600}

/* The chuyen muc: mep song cat o chan anh 4x2 */
.sd-drifts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.sd-drift{display:flex;flex-direction:column;background:#fff;border:1px solid #e3d6bc;border-top:6px solid var(--dune);border-radius:18px;overflow:hidden;height:100%;transition:transform .3s,box-shadow .3s}
.sd-drift:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.sd-drift-media{display:block;position:relative;overflow:hidden}
.sd-drift-media img{width:100%;aspect-ratio:9/6.2;object-fit:cover;transition:transform .5s;border-radius:0 0 50% 50%/0 0 9% 9%}
.sd-drift:hover .sd-drift-media img{transform:scale(1.06)}
.sd-drift-body{display:flex;flex-direction:column;gap:8px;padding:16px 18px 20px;flex:1;position:relative}
.sd-drift-body::after{content:"";position:absolute;left:18px;right:18px;bottom:8px;height:8px;border-radius:4px;background:radial-gradient(circle at 8px 4px,transparent 5px,rgba(43,111,142,.4) 5px) repeat-x;background-size:16px 8px}
.sd-drift-name{font-family:var(--font-head);font-weight:600;font-size:19px;color:var(--sunset-2)}
.sd-drift-desc{font-size:13.5px;color:var(--tx-soft);flex:1}
.sd-drift-go{font-size:13.5px;font-weight:700;color:var(--sky-deep)}

/* Tieu diem: loi mon dau chan, 1 dau lon + 4 dau nho */
.sd-basin{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start}
.sd-lead{background:var(--sand);color:var(--tx);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(198,95,61,.8)}
.sd-lead a{display:flex;flex-direction:column;height:100%}
.sd-lead-media img{width:100%;aspect-ratio:8/5.2;object-fit:cover}
.sd-lead-body{display:flex;flex-direction:column;gap:12px;padding:26px}
.sd-chip{display:inline-flex;align-items:center;width:max-content;background:var(--sunset);color:var(--sand);font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.06em}
.sd-lead-title{font-family:var(--font-head);font-weight:600;font-size:22px;line-height:1.32;color:var(--sunset-2)}
.sd-lead-desc{color:var(--tx-soft);font-size:14.5px}
.sd-lead-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--tx-soft);margin-top:auto}
.sd-more{font-weight:700;color:var(--sky-deep);font-size:13.5px}
.sd-trail{display:flex;flex-direction:column;gap:16px;position:relative;padding-left:50px}
.sd-trail::before{content:"";position:absolute;left:16px;top:16px;bottom:16px;width:22px;background-image:radial-gradient(circle at 6px 7px,rgba(163,76,48,.75) 2.6px,transparent 3.4px),radial-gradient(circle at 16px 20px,rgba(163,76,48,.75) 2.6px,transparent 3.4px);background-size:22px 28px;background-repeat:repeat-y}
.sd-row a{display:flex;gap:16px;align-items:center;background:rgba(248,241,228,.96);color:var(--tx);border:1px solid rgba(43,111,142,.4);border-radius:18px 6px 18px 6px;padding:15px 20px;position:relative;transition:transform .3s,box-shadow .3s,border-color .25s}
.sd-row a:hover{transform:translateX(8px);border-color:var(--sky)}
.sd-row-pin{flex-shrink:0;width:38px;height:42px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,var(--sunset),var(--sunset-deep));border-radius:50% 50% 46% 54%/62% 62% 38% 38%;margin:4px}
.sd-row-pin b{font-family:var(--font-head);font-weight:600;color:#fff;font-size:13px}
.sd-row a:hover .sd-row-pin{background:var(--sky-deep)}
.sd-row-body{display:flex;flex-direction:column;gap:6px}
.sd-row-title{font-family:var(--font-head);font-weight:600;font-size:16px;line-height:1.34;color:var(--sunset-2)}
.sd-row-meta{display:flex;gap:12px;font-size:12.5px;color:var(--tx-soft)}
.sd-row-meta i{font-style:normal;color:var(--sky-deep);font-weight:600}

/* Luoi the bai viet */
.sd-grid{display:grid;gap:24px}
.sd-grid-4{grid-template-columns:repeat(4,1fr)}
.sd-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid #e3d6bc;transition:transform .3s,box-shadow .3s}
.sd-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.sd-card-link{display:flex;flex-direction:column;height:100%}
.sd-card-media{position:relative;overflow:hidden;display:block}
.sd-card-media img{width:100%;aspect-ratio:8/5.6;object-fit:cover;transition:transform .5s}
.sd-card:hover .sd-card-media img{transform:scale(1.06)}
.sd-card-date{position:absolute;left:12px;bottom:12px;width:52px;height:52px;border-radius:50%;background:radial-gradient(circle at 34% 32%,var(--dune-soft),var(--sunset) 70%);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-weight:700;font-size:12.5px;border:2px solid rgba(248,241,228,.9);box-shadow:0 8px 18px -8px rgba(140,60,30,.8)}
.sd-card-body{display:flex;flex-direction:column;gap:9px;padding:18px;flex:1}
.sd-card-cat{font-size:12px;font-weight:700;color:var(--sky-deep);letter-spacing:.1em;text-transform:uppercase}
.sd-card-title{font-family:var(--font-head);font-weight:600;font-size:16px;line-height:1.42;color:var(--sunset-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.sd-card-foot{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--tx-soft)}

/* Hoi dap: cui tung dau chan */
.sd-faq-shell{max-width:880px}
.sd-faq{display:flex;flex-direction:column;gap:14px}
.sd-faq-item{background:#fff;border:1px solid #e3d6bc;border-left:5px solid var(--dune);border-radius:18px 6px 18px 6px;overflow:hidden}
.sd-faq-item[open]{border-color:var(--sunset);border-left-color:var(--sunset);box-shadow:0 0 0 1px var(--sunset)}
.sd-faq-item summary{display:flex;align-items:center;gap:16px;padding:18px 24px;cursor:pointer;list-style:none}
.sd-faq-item summary::-webkit-details-marker{display:none}
.sd-faq-q{font-family:var(--font-head);font-weight:600;font-size:16px;line-height:1.4;color:var(--sunset-2);flex:1}
.sd-faq-ico{position:relative;width:22px;height:22px;flex-shrink:0}
.sd-faq-ico::before,.sd-faq-ico::after{content:"";position:absolute;background:var(--sunset-deep);border-radius:2px;transition:transform .3s}
.sd-faq-ico::before{left:0;top:10px;width:22px;height:2px}
.sd-faq-ico::after{left:10px;top:0;width:2px;height:22px}
.sd-faq-item[open] .sd-faq-ico::after{transform:rotate(90deg)}
.sd-faq-a{padding:0 24px 20px 62px;color:var(--tx-soft);font-size:14.5px}

/* Dai gioi thieu: bau troi dem tren doi cat */
.sd-about{background:
  radial-gradient(640px 340px at 82% 18%,rgba(216,162,74,.2),transparent 70%),
  linear-gradient(180deg,var(--sky-deep),#122f3f);
  color:var(--sand);padding:84px 0}
.sd-about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.sd-about-title{font-family:var(--font-head);font-weight:600;font-size:clamp(26px,3vw,36px);margin-bottom:16px;color:var(--sand)}
.sd-about-desc{color:#d5e4ec;margin-bottom:28px;max-width:56ch}
.sd-about-stats{display:flex;gap:34px;margin-bottom:32px}
.sd-about-stats li{display:flex;flex-direction:column;gap:4px;border-left:3px solid var(--dune);padding-left:14px}
.sd-about-stats strong{font-family:var(--font-head);font-weight:600;font-size:26px;color:var(--dune-soft)}
.sd-about-stats span{font-size:12.5px;color:#a9c3d1}
.sd-about-media{position:relative}
.sd-about-frame{display:block;border:3px solid var(--dune);outline:2px solid var(--sunset);outline-offset:6px;border-radius:34px;overflow:hidden;box-shadow:var(--shadow)}
.sd-about-frame img{width:100%;aspect-ratio:12/8.5;object-fit:cover;border-radius:30px}
.sd-about-cap{position:absolute;bottom:-14px;left:24px;background:var(--sunset);color:#fff;font-size:13px;font-weight:700;padding:8px 16px;border-radius:999px;border:2px solid var(--sand)}

/* Bang ron trang trong */
.sd-ibanner{position:relative;background:
  radial-gradient(600px 240px at 88% 0%,rgba(216,162,74,.32),transparent 70%),
  linear-gradient(180deg,var(--sunset-deep),#6e2f1c);color:var(--sand);padding:56px 0;overflow:hidden}
.sd-ibanner-grains,.sd-ibanner-sky{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.sd-ibanner-grains i,.sd-ibanner-sky i{position:absolute;width:9px;height:9px;background:var(--dune-soft);border-radius:2px;animation:sd-grainfly 5s ease-in-out infinite alternate}
.sd-ibanner-grains i:nth-child(1),.sd-ibanner-sky i:nth-child(1){left:7%;top:20px;transform:rotate(45deg)}
.sd-ibanner-grains i:nth-child(2),.sd-ibanner-sky i:nth-child(2){left:26%;bottom:14px;animation-delay:1.1s;transform:rotate(45deg)}
.sd-ibanner-grains i:nth-child(3),.sd-ibanner-sky i:nth-child(3){left:47%;top:8px;animation-delay:2.2s;width:12px;height:12px;transform:rotate(45deg)}
.sd-ibanner-grains i:nth-child(4),.sd-ibanner-sky i:nth-child(4){left:69%;bottom:18px;animation-delay:3.1s;transform:rotate(45deg)}
.sd-ibanner-grains i:nth-child(5),.sd-ibanner-sky i:nth-child(5){left:89%;top:24px;animation-delay:3.9s;transform:rotate(45deg)}
@keyframes sd-grainfly{from{margin-top:-3px;opacity:.5}to{margin-top:4px;opacity:.95}}
.sd-ibanner-in{position:relative}
.sd-ibanner-title{font-family:var(--font-head);font-weight:600;font-size:clamp(28px,3.4vw,42px);margin:12px 0 10px;color:var(--sand)}
.sd-ibanner-desc{color:#f3ddc4;max-width:64ch;font-size:15px}

/* Duong dan */
.sd-crumb{padding:18px 0 0}
.sd-crumb-list{display:flex;align-items:center;gap:10px;flex-wrap:wrap;list-style:none;margin:0;padding:0;font-size:13.5px;color:#a9c3d1}
.sd-crumb-list li{display:flex;align-items:center;gap:10px}
.sd-crumb-list li+li::before{content:"\203A";color:var(--dune-soft);font-size:14px;font-weight:700}
.sd-crumb-list a{color:var(--dune-soft);font-weight:600}
.sd-crumb-list a:hover{text-decoration:underline}
.sd-crumb-list strong{color:var(--sand);font-weight:600}
.sd-crumb-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13.5px;color:var(--tx-soft)}
.sd-crumb-line a{color:var(--sky-deep);font-weight:600}
.sd-crumb-line a:hover{text-decoration:underline}
.sd-crumb-sep{color:var(--sky-deep);font-size:10px}
.sd-crumb-now{font-weight:700;color:var(--sunset-2)}
.sd-ibanner .sd-crumb{padding:0}

/* Dau trang noi dung */
.sd-page{padding-top:56px}
.sd-page-head{margin-bottom:40px}
.sd-page-h1{font-family:var(--font-head);font-weight:600;font-size:clamp(28px,3.2vw,40px);color:var(--sunset-2);margin-bottom:14px}
.sd-page-desc{color:var(--tx-soft);max-width:70ch;margin-bottom:24px}
.sd-page-acts{display:flex;gap:14px;flex-wrap:wrap}

/* Chuyen muc khac */
.sd-other{margin-top:56px}
.sd-block-h,.sd-other-title,.sd-rel-title{font-family:var(--font-head);font-weight:600;font-size:24px;color:var(--sunset-2);margin-bottom:22px}
.sd-other-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.sd-other-list a{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid #e3d6bc;border-radius:18px 6px 18px 6px;padding:16px 18px;transition:transform .25s,box-shadow .25s}
.sd-other-list a:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.sd-other-body{display:flex;flex-direction:column;gap:4px;flex:1}
.sd-other-body strong{font-family:var(--font-head);font-weight:600;font-size:16px;color:var(--sunset-2)}
.sd-other-body span{font-size:13px;color:var(--tx-soft)}
.sd-other-go{color:var(--sky-deep);font-size:20px;font-weight:700}

/* Trang danh sach */
.sd-list-wrap{display:grid;grid-template-columns:1fr 330px;gap:44px;align-items:start}
.sd-rows{display:flex;flex-direction:column;gap:18px}
.sd-lrow{background:#fff;border:1px solid #e3d6bc;border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s}
.sd-lrow:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.sd-lrow-link{display:grid;grid-template-columns:230px 1fr 74px}
.sd-lrow-media img{width:100%;height:100%;object-fit:cover}
.sd-lrow-body{display:flex;flex-direction:column;gap:8px;padding:18px 20px}
.sd-lrow-meta i{font-style:normal;font-size:12px;font-weight:700;color:var(--sky-deep);letter-spacing:.1em;text-transform:uppercase}
.sd-lrow-title{font-family:var(--font-head);font-weight:600;font-size:18px;line-height:1.36;color:var(--sunset-2)}
.sd-lrow-desc{font-size:13.5px;color:var(--tx-soft)}
.sd-lrow-date{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;background:var(--sunset-deep);color:var(--sand);padding:10px}
.sd-lrow-date b{font-family:var(--font-head);font-weight:600;font-size:26px;line-height:1}
.sd-lrow-date i{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--sand)}
.sd-pagi{display:flex;gap:8px;margin-top:30px;flex-wrap:wrap}
.sd-pagi a,.sd-pagi button{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #e3d6bc;background:#fff;color:var(--tx);border-radius:999px;font-weight:700;font-size:14px;cursor:pointer;padding:0 12px;font-family:var(--font-body)}
.sd-pagi .is-cur{background:var(--sunset);border-color:var(--sunset);color:#fff}
.sd-pagi .is-dis{opacity:.45;pointer-events:none}
.sd-pagi a:hover:not(.is-cur){border-color:var(--sunset);color:var(--sunset-deep)}

/* Cot ben */
.sd-side{display:flex;flex-direction:column;gap:26px;position:sticky;top:96px}
.sd-side-box{background:#fff;border:1px solid #e3d6bc;border-radius:var(--radius);padding:22px}
.sd-side-h{font-family:var(--font-head);font-weight:600;font-size:18px;color:var(--sunset-2);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--sunset)}
.sd-side-hot{display:flex;flex-direction:column;gap:14px}
.sd-side-hot a{display:grid;grid-template-columns:76px 1fr;gap:12px;align-items:center}
.sd-side-hot img{width:76px;height:58px;object-fit:cover;border-radius:18px 6px 18px 6px;border:2px solid var(--dune-soft)}
.sd-side-hot-body{display:flex;flex-direction:column;gap:3px}
.sd-side-hot-body strong{font-size:13.5px;font-weight:600;line-height:1.4;color:var(--sunset-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sd-side-hot-body time{font-size:11.5px;color:var(--tx-soft)}
.sd-side-more{display:inline-flex;gap:6px;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--sky-deep)}
.sd-side-list{display:flex;flex-direction:column;gap:12px}
.sd-side-list a{display:flex;gap:12px;align-items:baseline;font-size:13.5px;color:var(--sunset-2)}
.sd-side-list a:hover{color:var(--sunset-deep)}
.sd-dot{width:24px;height:26px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:var(--sand);border:2px solid var(--sunset);border-radius:50% 50% 46% 54%/62% 62% 38% 38%;font-size:12px;font-weight:800;transform:translateY(4px)}
.sd-side-note{background:var(--sky-deep);border-color:var(--line)}
.sd-side-note .sd-side-h{color:var(--sand);border-color:var(--sunset)}
.sd-side-note p{color:#d5e4ec;font-size:13.5px;margin-bottom:16px}

/* Trang bai viet */
.sd-article-wrap{display:grid;grid-template-columns:1fr 330px;gap:44px;align-items:start}
.sd-article-h1{font-family:var(--font-head);font-weight:600;font-size:clamp(26px,3vw,38px);line-height:1.32;color:var(--sunset-2);margin-bottom:18px}
.sd-article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--tx-soft);margin-bottom:24px}
.sd-meta-item b{color:var(--sunset-2)}
.sd-article-figure{margin-bottom:26px;border-radius:var(--radius);overflow:hidden;border:1px solid #e3d6bc}
.sd-article-figure img{width:100%;height:auto}
.sd-article-body{font-size:16px;color:var(--tx)}
.sd-article-body p{margin-bottom:18px}
.sd-article-body h2{font-family:var(--font-head);font-weight:600;font-size:24px;color:var(--sunset-2);margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--sunset)}
.sd-article-body h3{font-family:var(--font-head);font-weight:600;font-size:19px;color:var(--sunset-2);margin:26px 0 12px}
.sd-article-body ul,.sd-article-body ol{margin:0 0 18px 22px;list-style:disc}
.sd-article-body ol{list-style:decimal}
.sd-article-body li{margin-bottom:8px}
.sd-article-body img{border-radius:12px;margin:20px 0}
.sd-article-body blockquote{border-left:4px solid var(--sky);background:var(--sand-2);padding:16px 20px;border-radius:0 12px 12px 0;margin:0 0 18px;color:var(--tx-soft);font-style:italic}
.sd-article-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:30px;padding-top:22px;border-top:1px solid #e3d6bc}
.sd-tag-label{font-size:13px;color:var(--tx-soft)}
.sd-tag{background:var(--sand-2);border:1px solid #e3d6bc;color:var(--tx);font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:999px;transition:all .25s}
.sd-tag:hover{background:var(--sunset);border-color:var(--sunset);color:#fff}
.sd-switcher{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:34px 0 44px}
.sd-switcher-cell{background:#fff;border:1px solid #e3d6bc;border-radius:18px 6px 18px 6px;padding:16px 18px;display:flex;flex-direction:column;gap:6px}
.sd-switcher-next{text-align:right}
.sd-switcher-label{font-size:12px;font-weight:700;color:var(--sky-deep);letter-spacing:.12em;text-transform:uppercase}
.sd-switcher-link{font-family:var(--font-head);font-weight:600;font-size:15px;color:var(--sunset-2)}
.sd-switcher-link:hover{color:var(--sunset-deep)}
.sd-switcher-empty{font-size:13.5px;color:var(--tx-soft)}

/* Lien ket website */
.sd-flink{background:var(--sand-2);padding:56px 0}
.sd-flink-head{text-align:center;margin-bottom:30px}
.sd-flink-title{font-family:var(--font-head);font-weight:600;font-size:24px;color:var(--sunset-2);margin-bottom:8px}
.sd-flink-note{color:var(--tx-soft);font-size:14px}
.sd-flink-row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.sd-flink-chip{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #e3d6bc;border-radius:999px;padding:10px 20px 10px 10px;font-weight:600;font-size:14px;color:var(--sunset-2);transition:transform .25s,box-shadow .25s}
.sd-flink-chip:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.sd-flink-logo{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid var(--dune-soft)}

/* Chan trang */
.sd-footer{background:#40261a;color:var(--sand);padding-bottom:36px}
.sd-string{display:flex;justify-content:center;gap:14px;padding:20px 0 14px}
.sd-string i{display:block;width:9px;height:9px;background:var(--dune);border-radius:2px;transform:rotate(45deg);opacity:.75}
.sd-string i:nth-child(2n){background:var(--sunset);opacity:.6;width:7px;height:7px}
.sd-string i:nth-child(3n){width:11px;height:11px;opacity:.9}
.sd-string-foot{margin-bottom:32px;border-bottom:1px solid rgba(248,241,228,.24);padding-bottom:24px}
.sd-foot-top{display:flex;align-items:center;gap:30px;flex-wrap:wrap;margin-bottom:44px}
.sd-fbrand{display:flex;align-items:center}
.sd-fbrand-img{height:56px;width:auto}
.sd-foot-slogan{color:#cbb59a;font-size:14px;max-width:52ch}
.sd-foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(248,241,228,.24);margin-bottom:26px}
.sd-foot-h{font-family:var(--font-head);font-weight:600;font-size:17px;color:var(--sand);margin-bottom:16px}
.sd-foot-list{display:flex;flex-direction:column;gap:10px}
.sd-foot-cats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sd-foot-list a{color:#ecd9bd;font-size:14px;transition:color .25s,padding-left .25s}
.sd-foot-list a:hover{color:var(--sand);padding-left:4px}
.sd-foot-info{display:flex;flex-direction:column;gap:12px}
.sd-foot-info li{display:flex;flex-direction:column;gap:2px}
.sd-foot-key{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--dune-soft);font-weight:700}
.sd-foot-val{font-size:14px;color:var(--sand)}
.sd-foot-copy{font-size:13px;color:#b39a7d;margin-bottom:14px}
.sd-foot-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;font-size:12.5px;color:#b39a7d}
.sd-foot-sitemap{color:var(--dune-soft)}
.sd-foot-sitemap:hover{text-decoration:underline}

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

/* Trang 404 */
.sd-404{padding:110px 0;background:
  radial-gradient(700px 340px at 50% 0%,rgba(216,162,74,.22),transparent 70%),
  var(--sky-deep);color:var(--sand)}
.sd-404-board{max-width:640px;margin:0 auto;text-align:center;padding:0 24px}
.sd-404-code{display:block;font-family:var(--font-head);font-weight:600;font-size:120px;line-height:1;color:transparent;-webkit-text-stroke:2px var(--sand);margin-bottom:16px}
.sd-404-kicker{color:var(--dune-soft);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px;margin-bottom:12px}
.sd-404-title{font-family:var(--font-head);font-weight:600;font-size:32px;margin-bottom:14px;color:var(--sand)}
.sd-404-desc{color:#d5e4ec;margin-bottom:30px}
.sd-404-acts{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Khung phu: cot noi dung, cot chan trang, muc lien quan */
.sd-hero-copy,.sd-about-copy,.sd-foot-col,.sd-list-main,.sd-show-main{min-width:0}
.sd-foot-base{margin-top:4px}
.sd-related{margin-top:8px}

/* Hieu ung hien dan, chi bat khi co js */
html.sd-js .sd-reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
html.sd-js .sd-reveal.is-in{opacity:1;transform:none}

/* Dap ung man hinh */
@media(max-width:1100px){
  .sd-drifts-grid,.sd-grid-4{grid-template-columns:repeat(2,1fr)}
  .sd-nav{display:none}
  .sd-burger{display:flex}
  .sd-hero-in{grid-template-columns:1fr;gap:44px}
  .sd-dune-wrap{max-width:400px}
}
@media(max-width:900px){
  .sd-basin{grid-template-columns:1fr}
  .sd-list-wrap,.sd-article-wrap{grid-template-columns:1fr}
  .sd-side{position:static}
  .sd-about-wrap{grid-template-columns:1fr;gap:44px}
  .sd-foot-grid{grid-template-columns:1fr;gap:30px}
  .sd-other-list{grid-template-columns:1fr}
}
@media(max-width:640px){
  .sd-section{padding:60px 0}
  .sd-hero{padding:56px 0 84px}
  .sd-hero-stats{gap:22px;flex-wrap:wrap}
  .sd-drifts-grid,.sd-grid-4{grid-template-columns:1fr}
  .sd-lrow-link{grid-template-columns:120px 1fr}
  .sd-lrow-date{display:none}
  .sd-switcher{grid-template-columns:1fr}
  .sd-switcher-next{text-align:left}
  .sd-faq-a{padding-left:24px}
  .sd-head-split{align-items:flex-start;flex-direction:column}
  .sd-foot-cats{grid-template-columns:1fr 1fr}
  .sd-sun{width:88px;height:88px}
  .sd-ridge{margin-top:44px}
  .sd-tracks{transform:scale(.8);transform-origin:bottom left}
  .sd-suntag{font-size:10px;padding:8px 12px}
}