/* MÙA MƯA VIỆT - giao diện mái hiên mùa mưa (mẫu 1266) */
/* Bảng màu: mưa xám xanh, áo mưa vàng, mưa xanh biếc, mây trắng */
:root{
  --slate:#46586b;
  --slate-deep:#344252;
  --slate-2:#242e3a;
  --yellow:#f2c14e;
  --yellow-soft:#f7d385;
  --rain:#6fa8bc;
  --rain-soft:#9fc8d6;
  --cloud:#f4f6f8;
  --cloud-2:#e7ecf1;
  --line:rgba(70,88,107,.35);
  --tx:#2d333c;
  --tx-soft:#707781;
  --shadow:0 18px 44px -18px rgba(36,46,58,.4);
  --radius:18px;
  --font-head:'Manrope',sans-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.om-body{
  font-family:var(--font-body);
  color:var(--tx);
  background:var(--cloud);
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
.om-shell{max-width:1240px;margin:0 auto;padding:0 24px}
.om-skip{position:absolute;left:-9999px;top:0;background:var(--yellow);color:var(--slate-2);padding:10px 18px;z-index:200;border-radius:0 0 12px 0}
.om-skip:focus{left:0}

/* Dải mưa xiên trên cùng */
.om-rainband{height:16px;background:
  repeating-linear-gradient(75deg,transparent 0 13px,rgba(242,193,78,.55) 13px 16px,transparent 16px 27px),
  linear-gradient(90deg,var(--slate),var(--slate-deep))}

/* Đầu trang */
.om-header{position:sticky;top:0;z-index:90;background:rgba(52,66,82,.97);backdrop-filter:blur(8px);border-bottom:3px dotted var(--yellow)}
.om-header-in{display:flex;align-items:center;gap:28px;padding:14px 24px}
.om-brand{display:flex;align-items:center;flex-shrink:0}
.om-brand-img{height:52px;width:auto}
.om-nav{margin-left:auto}
.om-nav-list{display:flex;gap:4px;flex-wrap:wrap}
.om-nav-a{display:block;padding:10px 14px;font-size:14px;font-weight:600;color:#dfe7ee;border-radius:999px;transition:color .25s,background .25s}
.om-nav-a:hover{color:#fff}
.om-nav-a.is-active{color:var(--slate-2);background:var(--yellow)}
.om-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}
.om-burger span{display:block;width:20px;height:2px;background:var(--yellow-soft);border-radius:2px;transition:transform .3s,opacity .3s}
.om-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.om-burger.is-open span:nth-child(2){opacity:0}
.om-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Menu di động: mái che xếp xuống từ đỉnh */
.om-scrim{position:fixed;inset:0;background:rgba(18,26,34,.78);opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s;z-index:98}
.om-scrim.is-on{opacity:1;visibility:visible}
.om-canopymenu{position:fixed;left:0;right:0;top:0;z-index:99;background:linear-gradient(180deg,var(--slate),var(--slate-deep));transform:translateY(-104%);opacity:0;visibility:hidden;transition:transform .5s cubic-bezier(.3,1.15,.4,1),opacity .4s,visibility .4s;overflow:hidden;box-shadow:0 30px 60px -20px rgba(18,26,34,.55);max-height:92vh;overflow-y:auto}
.om-canopymenu::after{content:"";display:block;height:16px;background:
  radial-gradient(circle at 12px 0,var(--slate-deep) 0 11px,transparent 12px),
  radial-gradient(circle at 36px 0,var(--slate-deep) 0 11px,transparent 12px);
  background-size:48px 16px,48px 16px;background-repeat:repeat-x}
.om-canopymenu.is-open{transform:none;opacity:1;visibility:visible}
.om-canopy-rib{position:absolute;top:0;bottom:0;width:2px;background:linear-gradient(180deg,rgba(244,246,248,.14),transparent);pointer-events:none}
.om-canopy-rib-1{left:18%}
.om-canopy-rib-2{left:50%}
.om-canopy-rib-3{left:82%}
.om-canopymenu-in{position:relative;display:flex;flex-direction:column;padding:26px 28px 20px}
.om-canopymenu-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.om-canopymenu-title{font-family:var(--font-head);font-weight:800;font-size:20px;color:var(--yellow-soft)}
.om-canopymenu-close{width:46px;height:46px;border:1px solid var(--line);background:transparent;color:var(--yellow-soft);font-size:26px;border-radius:50%;cursor:pointer;line-height:1}
.om-canopymenu-list{display:flex;flex-direction:column;gap:8px;max-width:520px;margin:0 auto;width:100%}
.om-canopymenu-list a{display:flex;align-items:center;gap:14px;padding:12px 18px;border:1px solid rgba(244,246,248,.22);border-radius:14px;color:var(--cloud);opacity:0;transform:translateY(-14px);transition:transform .5s ease,opacity .5s,border-color .25s}
.om-canopymenu.is-open .om-canopymenu-list a{transform:none;opacity:1}
.om-canopymenu.is-open .om-canopymenu-list li:nth-child(1) a{transition-delay:.05s}
.om-canopymenu.is-open .om-canopymenu-list li:nth-child(2) a{transition-delay:.1s}
.om-canopymenu.is-open .om-canopymenu-list li:nth-child(3) a{transition-delay:.15s}
.om-canopymenu.is-open .om-canopymenu-list li:nth-child(4) a{transition-delay:.2s}
.om-canopymenu.is-open .om-canopymenu-list li:nth-child(5) a{transition-delay:.25s}
.om-canopymenu.is-open .om-canopymenu-list li:nth-child(6) a{transition-delay:.3s}
.om-canopymenu.is-open .om-canopymenu-list li:nth-child(7) a{transition-delay:.35s}
.om-canopymenu.is-open .om-canopymenu-list li:nth-child(8) a{transition-delay:.4s}
.om-canopymenu.is-open .om-canopymenu-list li:nth-child(9) a{transition-delay:.45s}
.om-canopymenu-list a:hover{border-color:var(--yellow)}
.om-dropdot{width:14px;height:14px;flex-shrink:0;background:var(--rain);border-radius:50% 50% 50% 0;transform:rotate(45deg)}
.om-canopymenu-no{font-family:var(--font-head);font-weight:800;color:var(--rain-soft);font-size:14px}
.om-canopymenu-name{font-size:16px;font-weight:600}
.om-canopymenu-note{margin-top:20px;text-align:center;color:var(--rain-soft);font-size:13px;opacity:.9}

/* Khối anh hùng: cánh ô giữa mưa */
.om-hero{background:
  radial-gradient(760px 460px at 86% 12%,rgba(111,168,188,.3),transparent 66%),
  radial-gradient(540px 380px at 4% 96%,rgba(242,193,78,.2),transparent 70%),
  linear-gradient(180deg,var(--cloud-2),var(--cloud) 80%);
  color:var(--tx);padding:82px 0 110px;overflow:hidden}
.om-hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.om-hero-kicker{display:flex;align-items:center;gap:10px;color:var(--rain);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px;margin-bottom:18px}
.om-hero-title{font-family:var(--font-head);font-weight:800;font-size:clamp(32px,4.4vw,52px);line-height:1.16;margin-bottom:20px;color:var(--slate-deep)}
.om-hero-desc{color:var(--tx-soft);font-size:16.5px;max-width:52ch;margin-bottom:30px}
.om-hero-acts{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.om-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}
.om-btn b{font-weight:700}
.om-btn:hover{transform:translateY(-2px)}
.om-btn-umbrella{background:var(--yellow);color:var(--slate-2);box-shadow:0 12px 26px -12px rgba(242,193,78,.95)}
.om-btn-umbrella:hover{background:var(--yellow-soft)}
.om-btn-rain{background:var(--rain);color:#fff;box-shadow:0 12px 26px -12px rgba(111,168,188,.95)}
.om-btn-rain:hover{background:var(--rain-soft);color:var(--slate-2)}
.om-btn-red{background:var(--yellow);color:var(--slate-2);box-shadow:0 12px 26px -12px rgba(242,193,78,.95)}
.om-btn-red:hover{background:var(--yellow-soft)}
.om-btn-yellow{background:var(--yellow);color:var(--slate-2);box-shadow:0 12px 26px -12px rgba(242,193,78,.95)}
.om-btn-yellow:hover{background:var(--yellow-soft)}
.om-btn-gold{background:var(--yellow);color:var(--slate-2);box-shadow:0 12px 26px -12px rgba(242,193,78,.95)}
.om-btn-gold:hover{background:var(--yellow-soft)}
.om-btn-line{border-color:var(--slate);color:var(--slate-deep);background:transparent}
.om-btn-line:hover{background:rgba(255,255,255,.5)}
.om-btn-ghost{border-color:#d3dae1;color:var(--tx);background:transparent}
.om-btn-ghost:hover{border-color:var(--rain);color:var(--rain)}
.om-hero-stats{display:flex;gap:38px}
.om-hero-stats li{display:flex;flex-direction:column;gap:4px;border-left:3px solid var(--rain);padding-left:16px}
.om-hero-stats strong{font-family:var(--font-head);font-weight:800;font-size:30px;color:var(--rain)}
.om-hero-stats span{font-size:13px;color:var(--tx-soft)}

.om-umbrella-wrap{position:relative;max-width:420px;margin:0 auto;width:100%;padding:36px 0 26px}
.om-umbrella{display:block;position:relative;width:88%;margin:0 auto;border-radius:50% 50% 14px 14px/64% 64% 14px 14px;overflow:hidden;border:6px solid var(--rain);box-shadow:0 0 0 9px rgba(111,168,188,.18),var(--shadow)}
.om-umbrella img{width:100%;aspect-ratio:1/.86;object-fit:cover}
.om-umbrella-rib{position:absolute;inset:-14px;border:3px dashed rgba(70,88,107,.32);border-radius:50% 50% 16px 16px/66% 66% 16px 16px;pointer-events:none}
.om-umbrella-pole{position:absolute;left:50%;bottom:-4px;width:9px;height:64px;background:linear-gradient(180deg,var(--slate),var(--slate-deep));border-radius:5px;transform:translateX(-50%)}
.om-drizzle{position:absolute;width:4px;height:26px;border-radius:4px;background:linear-gradient(180deg,transparent,var(--rain));opacity:.7;animation:om-fall 3.2s linear infinite;pointer-events:none}
.om-drizzle-1{left:4%;top:8%;animation-delay:.2s}
.om-drizzle-2{right:6%;top:22%;height:34px;animation-delay:1.3s}
.om-drizzle-3{left:14%;bottom:6%;height:20px;animation-delay:2.2s}
@keyframes om-fall{0%{transform:translateY(-18px);opacity:0}30%{opacity:.75}100%{transform:translateY(60px);opacity:0}}
.om-raintag{position:absolute;top:-2px;right:-2px;background:var(--slate-2);color:var(--yellow-soft);font-weight:700;font-size:12px;letter-spacing:.12em;padding:8px 16px;border-radius:999px;transform:rotate(-3deg);box-shadow:var(--shadow);z-index:2}
.om-umbrella-cap{position:absolute;bottom:30px;left:0;background:rgba(36,46,58,.92);color:var(--yellow-soft);font-size:13px;font-weight:700;padding:8px 14px;border-radius:999px;border:1px solid var(--yellow)}

/* Khu vực chung */
.om-section{padding:84px 0}
.om-section-roof{background:
  repeating-linear-gradient(75deg,transparent 0 90px,rgba(244,246,248,.045) 90px 96px,transparent 96px 180px),
  linear-gradient(180deg,var(--slate),var(--slate-deep));color:var(--cloud)}
.om-section-mist{background:var(--cloud-2)}
.om-head{margin-bottom:46px}
.om-head-center{text-align:center}
.om-head-split{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;flex-wrap:wrap}
.om-kicker{color:var(--rain);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:12.5px;margin-bottom:10px}
.om-kicker-light{color:var(--rain-soft)}
.om-kicker-yellow{color:var(--yellow-soft)}
.om-h2{font-family:var(--font-head);font-weight:800;font-size:clamp(26px,3.2vw,38px);line-height:1.2;color:var(--slate-deep)}
.om-h2-light{color:var(--cloud)}
.om-head-desc{color:var(--tx-soft);max-width:62ch;margin-top:12px}
.om-head-center .om-head-desc{margin-left:auto;margin-right:auto}
.om-head-desc-light{color:rgba(244,246,248,.78)}
.om-no{font-family:var(--font-head);font-weight:800;font-size:12px;letter-spacing:.16em;color:var(--rain)}

/* Thẻ chuyên mục: mảng mái viền giọt 4x2 */
.om-eaves{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.om-eave{display:flex;flex-direction:column;background:#fff;border:1px solid #dde3ea;border-radius:var(--radius);overflow:hidden;height:100%;transition:transform .3s,box-shadow .3s}
.om-eave:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.om-eave-media{display:block;position:relative;overflow:hidden}
.om-eave-media img{width:100%;aspect-ratio:9/6.6;object-fit:cover;transition:transform .5s}
.om-eave:hover .om-eave-media img{transform:scale(1.06)}
.om-eave-drip{position:absolute;right:12px;top:12px;width:16px;height:16px;background:var(--yellow);border-radius:50% 50% 50% 0;transform:rotate(45deg);box-shadow:-3px 3px 0 rgba(111,168,188,.8)}
.om-eave-body{display:flex;flex-direction:column;gap:8px;padding:16px 18px 20px;flex:1;border-top:3px solid var(--rain)}
.om-eave-name{font-family:var(--font-head);font-weight:800;font-size:19px;color:var(--slate-deep)}
.om-eave-desc{font-size:13.5px;color:var(--tx-soft);flex:1}
.om-eave-go{font-size:13.5px;font-weight:700;color:var(--rain)}

/* Tiêu điểm: dải mái tôn nghe mưa rơi */
.om-roof{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start}
.om-lead{background:var(--cloud);color:var(--tx);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(159,200,214,.7)}
.om-lead a{display:flex;flex-direction:column;height:100%}
.om-lead-media img{width:100%;aspect-ratio:8/5.2;object-fit:cover}
.om-lead-body{display:flex;flex-direction:column;gap:12px;padding:26px}
.om-chip{display:inline-flex;align-items:center;width:max-content;background:var(--rain);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.06em}
.om-lead-title{font-family:var(--font-head);font-weight:800;font-size:23px;line-height:1.3;color:var(--slate-deep)}
.om-lead-desc{color:var(--tx-soft);font-size:14.5px}
.om-lead-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--tx-soft);margin-top:auto}
.om-more{font-weight:700;color:var(--rain);font-size:13.5px}
.om-dripline{display:flex;flex-direction:column;gap:16px;position:relative;padding-left:34px}
.om-dripline::before{content:"";position:absolute;left:6px;top:12px;bottom:12px;width:5px;border-radius:5px;background:repeating-linear-gradient(var(--rain-soft) 0 12px,transparent 12px 24px);opacity:.55}
.om-step a{display:flex;gap:16px;align-items:center;background:rgba(36,46,58,.55);color:var(--cloud);border:1px solid rgba(159,200,214,.32);border-radius:16px;padding:16px 20px;position:relative;transition:transform .3s,box-shadow .3s,border-color .25s}
.om-step a:hover{transform:translateX(8px);border-color:var(--rain-soft)}
.om-step-pin{flex-shrink:0;width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;background:radial-gradient(circle,var(--yellow-soft) 0 30%,var(--yellow) 78%);border:2px solid var(--rain-soft);border-radius:50%}
.om-step-pin b{font-family:var(--font-head);font-weight:800;color:var(--slate-2);font-size:14px}
.om-step a:hover .om-step-pin{background:radial-gradient(circle,#fff 0 30%,var(--yellow-soft) 78%)}
.om-step-body{display:flex;flex-direction:column;gap:6px}
.om-step-title{font-family:var(--font-head);font-weight:700;font-size:16px;line-height:1.34;color:var(--cloud)}
.om-step-meta{display:flex;gap:12px;font-size:12.5px;color:rgba(244,246,248,.68)}
.om-step-meta i{font-style:normal;color:var(--rain-soft);font-weight:600}

/* Lưới thẻ bài viết */
.om-grid{display:grid;gap:24px}
.om-grid-4{grid-template-columns:repeat(4,1fr)}
.om-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid #dde3ea;transition:transform .3s,box-shadow .3s}
.om-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.om-card-link{display:flex;flex-direction:column;height:100%}
.om-card-media{position:relative;overflow:hidden;display:block}
.om-card-media img{width:100%;aspect-ratio:8/5.6;object-fit:cover;transition:transform .5s}
.om-card:hover .om-card-media img{transform:scale(1.06)}
.om-card-date{position:absolute;left:12px;bottom:12px;background:var(--slate-deep);color:var(--yellow-soft);font-style:normal;font-weight:700;font-size:12.5px;padding:6px 13px;letter-spacing:.04em;border-radius:999px}
.om-card-body{display:flex;flex-direction:column;gap:9px;padding:18px;flex:1}
.om-card-cat{font-size:12px;font-weight:700;color:var(--rain);letter-spacing:.1em;text-transform:uppercase}
.om-card-title{font-family:var(--font-head);font-weight:700;font-size:16px;line-height:1.4;color:var(--slate-deep);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.om-card-foot{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--tx-soft)}

/* Hỏi đáp: mở từng giọt */
.om-faq-shell{max-width:880px}
.om-faq{display:flex;flex-direction:column;gap:14px}
.om-faq-item{background:#fff;border:1px solid #dde3ea;border-radius:10px 26px 10px 26px;overflow:hidden}
.om-faq-item[open]{border-color:var(--rain);box-shadow:0 0 0 1px var(--rain)}
.om-faq-item summary{display:flex;align-items:center;gap:16px;padding:18px 24px;cursor:pointer;list-style:none}
.om-faq-item summary::-webkit-details-marker{display:none}
.om-faq-q{font-family:var(--font-head);font-weight:700;font-size:16.5px;color:var(--slate-deep);flex:1}
.om-faq-ico{position:relative;width:22px;height:22px;flex-shrink:0}
.om-faq-ico::before,.om-faq-ico::after{content:"";position:absolute;background:var(--rain);border-radius:2px;transition:transform .3s}
.om-faq-ico::before{left:0;top:10px;width:22px;height:2px}
.om-faq-ico::after{left:10px;top:0;width:2px;height:22px}
.om-faq-item[open] .om-faq-ico::after{transform:rotate(90deg)}
.om-faq-a{padding:0 24px 20px 62px;color:var(--tx-soft);font-size:14.5px}

/* Dải giới thiệu mưa đêm */
.om-about{background:
  radial-gradient(680px 380px at 84% 22%,rgba(111,168,188,.2),transparent 70%),
  linear-gradient(180deg,var(--slate-2),#1a232d);
  color:var(--cloud);padding:84px 0}
.om-about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.om-about-title{font-family:var(--font-head);font-weight:800;font-size:clamp(26px,3vw,36px);margin-bottom:16px;color:var(--cloud)}
.om-about-desc{color:#c6d2dd;margin-bottom:28px;max-width:56ch}
.om-about-stats{display:flex;gap:34px;margin-bottom:32px}
.om-about-stats li{display:flex;flex-direction:column;gap:4px;border-left:3px solid var(--yellow);padding-left:14px}
.om-about-stats strong{font-family:var(--font-head);font-weight:800;font-size:26px;color:var(--yellow-soft)}
.om-about-stats span{font-size:12.5px;color:#95a4b3}
.om-about-media{position:relative}
.om-about-frame{display:block;border:3px solid var(--rain);border-radius:50% 50% 22px 22px/36% 36% 22px 22px;overflow:hidden;box-shadow:0 0 0 8px rgba(111,168,188,.15),var(--shadow)}
.om-about-frame img{width:100%;aspect-ratio:12/8.5;object-fit:cover}
.om-about-cap{position:absolute;bottom:-14px;left:24px;background:var(--rain);color:#fff;font-size:13px;font-weight:700;padding:8px 16px;border-radius:999px;border:2px solid var(--cloud)}

/* Băng rôn trang trong */
.om-ibanner{position:relative;background:
  radial-gradient(600px 240px at 90% 0%,rgba(111,168,188,.35),transparent 70%),
  linear-gradient(180deg,var(--slate),var(--slate-deep));color:var(--cloud);padding:56px 0;overflow:hidden}
.om-ibanner-sky{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.om-ibanner-sky i{position:absolute;width:4px;height:30px;border-radius:4px;background:linear-gradient(180deg,transparent,rgba(159,200,214,.6));animation:om-fall 4s linear infinite}
.om-ibanner-sky i:nth-child(1){left:8%;top:0;animation-delay:.1s}
.om-ibanner-sky i:nth-child(2){left:26%;top:-30px;animation-delay:1.2s;height:38px}
.om-ibanner-sky i:nth-child(3){left:48%;top:-10px;animation-delay:2.1s}
.om-ibanner-sky i:nth-child(4){left:68%;top:-40px;animation-delay:0.8s;height:26px}
.om-ibanner-sky i:nth-child(5){left:88%;top:-16px;animation-delay:1.7s}
.om-ibanner-sky i:nth-child(6){left:56%;top:-24px;animation-delay:2.9s;height:34px}
.om-ibanner-in{position:relative}
.om-ibanner-title{font-family:var(--font-head);font-weight:800;font-size:clamp(28px,3.6vw,42px);margin:12px 0 10px;color:var(--cloud)}
.om-ibanner-desc{color:#c6d2dd;max-width:64ch;font-size:15px}

/* Đường dẫn */
.om-crumb{padding:18px 0 0}
.om-crumb-list{display:flex;align-items:center;gap:10px;flex-wrap:wrap;list-style:none;margin:0;padding:0;font-size:13.5px;color:#95a4b3}
.om-crumb-list li{display:flex;align-items:center;gap:10px}
.om-crumb-list li+li::before{content:"\203A";color:var(--yellow-soft);font-size:14px;font-weight:700}
.om-crumb-list a{color:var(--rain-soft);font-weight:600}
.om-crumb-list a:hover{text-decoration:underline}
.om-crumb-list strong{color:var(--cloud);font-weight:600}
.om-crumb-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13.5px;color:var(--tx-soft)}
.om-crumb-line a{color:var(--rain);font-weight:600}
.om-crumb-line a:hover{text-decoration:underline}
.om-crumb-sep{color:var(--rain);font-size:10px}
.om-crumb-now{font-weight:700;color:var(--slate-deep)}
.om-ibanner .om-crumb{padding:0}

/* Đầu trang nội dung */
.om-page{padding-top:56px}
.om-page-head{margin-bottom:40px}
.om-page-h1{font-family:var(--font-head);font-weight:800;font-size:clamp(28px,3.4vw,40px);color:var(--slate-deep);margin-bottom:14px}
.om-page-desc{color:var(--tx-soft);max-width:70ch;margin-bottom:24px}
.om-page-acts{display:flex;gap:14px;flex-wrap:wrap}

/* Chuyên mục khác */
.om-other{margin-top:56px}
.om-block-h,.om-other-title,.om-rel-title{font-family:var(--font-head);font-weight:800;font-size:24px;color:var(--slate-deep);margin-bottom:22px}
.om-other-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.om-other-list a{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid #dde3ea;border-radius:14px;padding:16px 18px;transition:transform .25s,box-shadow .25s}
.om-other-list a:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.om-other-body{display:flex;flex-direction:column;gap:4px;flex:1}
.om-other-body strong{font-family:var(--font-head);font-weight:700;font-size:16px;color:var(--slate-deep)}
.om-other-body span{font-size:13px;color:var(--tx-soft)}
.om-other-go{color:var(--rain);font-size:20px;font-weight:700}

/* Trang danh sách */
.om-list-wrap{display:grid;grid-template-columns:1fr 330px;gap:44px;align-items:start}
.om-rows{display:flex;flex-direction:column;gap:18px}
.om-lrow{background:#fff;border:1px solid #dde3ea;border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s}
.om-lrow:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.om-lrow-link{display:grid;grid-template-columns:230px 1fr 74px}
.om-lrow-media img{width:100%;height:100%;object-fit:cover}
.om-lrow-body{display:flex;flex-direction:column;gap:8px;padding:18px 20px}
.om-lrow-meta i{font-style:normal;font-size:12px;font-weight:700;color:var(--rain);letter-spacing:.1em;text-transform:uppercase}
.om-lrow-title{font-family:var(--font-head);font-weight:700;font-size:18px;line-height:1.34;color:var(--slate-deep)}
.om-lrow-desc{font-size:13.5px;color:var(--tx-soft)}
.om-lrow-date{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;background:var(--slate-2);color:var(--yellow-soft);padding:10px}
.om-lrow-date b{font-family:var(--font-head);font-weight:800;font-size:26px;line-height:1}
.om-lrow-date i{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--yellow-soft)}
.om-pagi{display:flex;gap:8px;margin-top:30px;flex-wrap:wrap}
.om-pagi a,.om-pagi button{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #dde3ea;background:#fff;color:var(--tx);border-radius:999px;font-weight:700;font-size:14px;cursor:pointer;padding:0 12px;font-family:var(--font-body)}
.om-pagi .is-cur{background:var(--rain);border-color:var(--rain);color:#fff}
.om-pagi .is-dis{opacity:.45;pointer-events:none}
.om-pagi a:hover:not(.is-cur){border-color:var(--slate);color:var(--slate)}

/* Cột bên */
.om-side{display:flex;flex-direction:column;gap:26px;position:sticky;top:96px}
.om-side-box{background:#fff;border:1px solid #dde3ea;border-radius:var(--radius);padding:22px}
.om-side-h{font-family:var(--font-head);font-weight:800;font-size:18px;color:var(--slate-deep);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--rain)}
.om-side-hot{display:flex;flex-direction:column;gap:14px}
.om-side-hot a{display:grid;grid-template-columns:76px 1fr;gap:12px;align-items:center}
.om-side-hot img{width:76px;height:58px;object-fit:cover;border-radius:999px;border:2px solid var(--rain-soft)}
.om-side-hot-body{display:flex;flex-direction:column;gap:3px}
.om-side-hot-body strong{font-size:13.5px;font-weight:600;line-height:1.4;color:var(--slate-deep);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.om-side-hot-body time{font-size:11.5px;color:var(--tx-soft)}
.om-side-more{display:inline-flex;gap:6px;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--rain)}
.om-side-list{display:flex;flex-direction:column;gap:12px}
.om-side-list a{display:flex;gap:12px;align-items:baseline;font-size:13.5px;color:var(--slate-deep)}
.om-side-list a:hover{color:var(--rain)}
.om-dot{width:24px;height:24px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:var(--yellow);color:var(--slate-2);border-radius:50%;font-size:12px;font-weight:800;transform:translateY(4px)}
.om-side-note{background:var(--slate-2);border-color:var(--line)}
.om-side-note .om-side-h{color:var(--yellow-soft);border-color:var(--yellow)}
.om-side-note p{color:#c6d2dd;font-size:13.5px;margin-bottom:16px}

/* Trang bài viết */
.om-article-wrap{display:grid;grid-template-columns:1fr 330px;gap:44px;align-items:start}
.om-article-h1{font-family:var(--font-head);font-weight:800;font-size:clamp(26px,3vw,38px);line-height:1.3;color:var(--slate-deep);margin-bottom:18px}
.om-article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--tx-soft);margin-bottom:24px}
.om-meta-item b{color:var(--slate-deep)}
.om-article-figure{margin-bottom:26px;border-radius:var(--radius);overflow:hidden;border:1px solid #dde3ea}
.om-article-figure img{width:100%;height:auto}
.om-article-body{font-size:16px;color:var(--tx)}
.om-article-body p{margin-bottom:18px}
.om-article-body h2{font-family:var(--font-head);font-weight:800;font-size:24px;color:var(--slate-deep);margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--rain)}
.om-article-body h3{font-family:var(--font-head);font-weight:700;font-size:19px;color:var(--slate-deep);margin:26px 0 12px}
.om-article-body ul,.om-article-body ol{margin:0 0 18px 22px;list-style:disc}
.om-article-body ol{list-style:decimal}
.om-article-body li{margin-bottom:8px}
.om-article-body img{border-radius:12px;margin:20px 0}
.om-article-body blockquote{border-left:4px solid var(--yellow);background:var(--cloud-2);padding:16px 20px;border-radius:0 12px 12px 0;margin:0 0 18px;color:var(--tx-soft);font-style:italic}
.om-article-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:30px;padding-top:22px;border-top:1px solid #dde3ea}
.om-tag-label{font-size:13px;color:var(--tx-soft)}
.om-tag{background:var(--cloud-2);border:1px solid #dde3ea;color:var(--tx);font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:999px;transition:all .25s}
.om-tag:hover{background:var(--rain);border-color:var(--rain);color:#fff}
.om-switcher{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:34px 0 44px}
.om-switcher-cell{background:#fff;border:1px solid #dde3ea;border-radius:14px;padding:16px 18px;display:flex;flex-direction:column;gap:6px}
.om-switcher-next{text-align:right}
.om-switcher-label{font-size:12px;font-weight:700;color:var(--rain);letter-spacing:.12em;text-transform:uppercase}
.om-switcher-link{font-family:var(--font-head);font-weight:700;font-size:15px;color:var(--slate-deep)}
.om-switcher-link:hover{color:var(--rain)}
.om-switcher-empty{font-size:13.5px;color:var(--tx-soft)}

/* Liên kết website */
.om-flink{background:var(--cloud-2);padding:56px 0}
.om-flink-head{text-align:center;margin-bottom:30px}
.om-flink-title{font-family:var(--font-head);font-weight:800;font-size:24px;color:var(--slate-deep);margin-bottom:8px}
.om-flink-note{color:var(--tx-soft);font-size:14px}
.om-flink-row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.om-flink-chip{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #dde3ea;border-radius:999px;padding:10px 20px 10px 10px;font-weight:600;font-size:14px;color:var(--slate-deep);transition:transform .25s,box-shadow .25s}
.om-flink-chip:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.om-flink-logo{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid var(--rain-soft)}

/* Chân trang */
.om-footer{background:var(--slate-2);color:var(--cloud);padding-bottom:36px}
.om-string{display:flex;justify-content:center;gap:0;padding:20px 0 14px}
.om-string i{display:block;width:46px;height:16px;background:
  repeating-linear-gradient(75deg,transparent 0 9px,rgba(159,200,214,.55) 9px 12px,transparent 12px 21px),
  linear-gradient(180deg,rgba(159,200,214,.06),transparent)}
.om-string i:nth-child(2n){background:
  repeating-linear-gradient(75deg,transparent 0 9px,rgba(242,193,78,.5) 9px 12px,transparent 12px 21px),
  linear-gradient(180deg,rgba(242,193,78,.06),transparent)}
.om-string i:nth-child(3n){width:60px}
.om-string-foot{margin-bottom:32px;border-bottom:1px solid rgba(159,200,214,.18);padding-bottom:24px}
.om-foot-top{display:flex;align-items:center;gap:30px;flex-wrap:wrap;margin-bottom:44px}
.om-fbrand{display:flex;align-items:center}
.om-fbrand-img{height:56px;width:auto}
.om-foot-slogan{color:#95a4b3;font-size:14px;max-width:52ch}
.om-foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(159,200,214,.18);margin-bottom:26px}
.om-foot-h{font-family:var(--font-head);font-weight:800;font-size:17px;color:var(--yellow-soft);margin-bottom:16px}
.om-foot-list{display:flex;flex-direction:column;gap:10px}
.om-foot-cats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.om-foot-list a{color:#d6dee6;font-size:14px;transition:color .25s,padding-left .25s}
.om-foot-list a:hover{color:var(--yellow-soft);padding-left:4px}
.om-foot-info{display:flex;flex-direction:column;gap:12px}
.om-foot-info li{display:flex;flex-direction:column;gap:2px}
.om-foot-key{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--yellow-soft);font-weight:700}
.om-foot-val{font-size:14px;color:var(--cloud)}
.om-foot-copy{font-size:13px;color:#8a99a8;margin-bottom:14px}
.om-foot-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;font-size:12.5px;color:#8a99a8}
.om-foot-sitemap{color:var(--yellow-soft)}
.om-foot-sitemap:hover{text-decoration:underline}

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

/* Trang 404 */
.om-404{padding:110px 0;background:
  radial-gradient(700px 340px at 50% 0%,rgba(111,168,188,.28),transparent 70%),
  var(--slate-2);color:var(--cloud)}
.om-404-board{max-width:640px;margin:0 auto;text-align:center;padding:0 24px}
.om-404-code{display:block;font-family:var(--font-head);font-weight:800;font-size:120px;line-height:1;color:transparent;-webkit-text-stroke:2px var(--rain-soft);margin-bottom:16px}
.om-404-kicker{color:var(--rain-soft);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px;margin-bottom:12px}
.om-404-title{font-family:var(--font-head);font-weight:800;font-size:32px;margin-bottom:14px;color:var(--cloud)}
.om-404-desc{color:#c6d2dd;margin-bottom:30px}
.om-404-acts{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

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

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

/* Đáp ứng màn hình */
@media(max-width:1100px){
  .om-eaves,.om-grid-4{grid-template-columns:repeat(2,1fr)}
  .om-nav{display:none}
  .om-burger{display:flex}
  .om-hero-in{grid-template-columns:1fr;gap:44px}
  .om-umbrella-wrap{max-width:380px}
}
@media(max-width:900px){
  .om-roof{grid-template-columns:1fr}
  .om-list-wrap,.om-article-wrap{grid-template-columns:1fr}
  .om-side{position:static}
  .om-about-wrap{grid-template-columns:1fr;gap:44px}
  .om-foot-grid{grid-template-columns:1fr;gap:30px}
  .om-other-list{grid-template-columns:1fr}
}
@media(max-width:640px){
  .om-section{padding:60px 0}
  .om-hero{padding:56px 0 88px}
  .om-hero-stats{gap:22px;flex-wrap:wrap}
  .om-eaves,.om-grid-4{grid-template-columns:1fr}
  .om-lrow-link{grid-template-columns:120px 1fr}
  .om-lrow-date{display:none}
  .om-switcher{grid-template-columns:1fr}
  .om-switcher-next{text-align:left}
  .om-faq-a{padding-left:24px}
  .om-head-split{align-items:flex-start;flex-direction:column}
  .om-foot-cats{grid-template-columns:1fr 1fr}
  .om-drizzle-3{display:none}
  .om-umbrella-pole{height:46px}
}