:root {
  --vnb-navy: #10243e;
  --vnb-navy-2: #193553;
  --vnb-blue: #246bfd;
  --vnb-cyan: #18a7a0;
  --vnb-orange: #f08a24;
  --vnb-ink: #172b43;
  --vnb-muted: #64748b;
  --vnb-line: #dce5ef;
  --vnb-surface: #ffffff;
  --vnb-bg: #f4f7fb;
  --vnb-radius: 12px;
  --vnb-shadow: 0 12px 32px rgba(16, 36, 62, .08);
}

html { scroll-behavior: smooth; }
body.vnb2b-public {
  background: var(--vnb-bg);
  color: var(--vnb-ink);
  font-family: "Be Vietnam Pro", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}
body.vnb2b-public a { transition: color .18s ease, border-color .18s ease, background .18s ease, transform .18s ease; }
body.vnb2b-public .m,
body.vnb2b-public .head_m { width: min(1200px, calc(100% - 40px)); }

/* Public audience utility bar */
body.vnb2b-public .head {
  height: 38px;
  border: 0;
  background: var(--vnb-navy);
  color: #c8d6e7;
}
body.vnb2b-public .head_m { height: 38px; }
body.vnb2b-public .head a { color: #c8d6e7; }
body.vnb2b-public .head a:hover { color: #fff; }
body.vnb2b-public .head_l,
body.vnb2b-public .head_r { height: 38px; line-height: 38px; }
body.vnb2b-public .head_s { height: 0; }

/* Brand/search row */
body.vnb2b-public #destoon-fixon {
  position: relative;
  z-index: 30;
  height: auto;
  border-bottom: 1px solid var(--vnb-line);
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 3px 16px rgba(16, 36, 62, .04);
}
body.vnb2b-public #destoon-fixon > .m {
  display: grid;
  grid-template-columns: 230px minmax(320px, 1fr) auto;
  align-items: center;
  gap: 34px;
  min-height: 94px;
}
body.vnb2b-public .logo {
  float: none;
  width: auto;
  height: auto;
  padding: 0;
}
body.vnb2b-public .logo a { display: inline-flex; align-items: center; }
body.vnb2b-public .logo img { display: block; max-width: 210px; max-height: 56px; object-fit: contain; }
body.vnb2b-public #destoon-search {
  position: relative;
  float: none;
  width: auto;
  height: 48px;
  margin: 0;
  border: 1px solid #cbd8e6;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 6px 18px rgba(23, 43, 67, .06);
}
body.vnb2b-public #destoon-search:focus-within { border-color: var(--vnb-blue); box-shadow: 0 0 0 3px rgba(36, 107, 253, .12); }
body.vnb2b-public .search-inp { width: calc(100% - 190px); }
body.vnb2b-public .search-inp input { height: 46px; font-size: 14px; color: var(--vnb-ink); }
body.vnb2b-public .search-mod { right: 86px; height: 46px; }
body.vnb2b-public .search-mod > input { height: 46px; color: var(--vnb-muted); }
body.vnb2b-public .search-btn { right: 0; width: 86px; height: 48px; }
body.vnb2b-public .search-btn input {
  width: 86px;
  height: 48px;
  border-radius: 0 9px 9px 0;
  background: var(--vnb-blue);
  color: #fff;
  font-weight: 700;
}
body.vnb2b-public .search-adv { display: none; }
body.vnb2b-public .vnb2b-professional-entry {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
body.vnb2b-public .vnb2b-professional-entry small { color: var(--vnb-muted); font-size: 11px; letter-spacing: .04em; }
body.vnb2b-public .vnb2b-professional-entry a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 9px;
  background: var(--vnb-navy);
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
}
body.vnb2b-public .vnb2b-professional-entry a:before { content: "PRO"; font-size: 9px; letter-spacing: .08em; color: #7dd3fc; }
body.vnb2b-public .vnb2b-professional-entry a:hover { background: var(--vnb-blue); transform: translateY(-1px); }

/* Open exhibition navigation */
body.vnb2b-public > .m:has(> .menu) {
  width: 100%;
  background: #fff;
  border-bottom: 1px solid var(--vnb-line);
}
body.vnb2b-public .menu { width: min(1200px, calc(100% - 40px)); height: 52px; margin: 0 auto; overflow: visible; background: transparent; }
body.vnb2b-public .menu ul { display: flex; align-items: stretch; height: 52px; gap: 2px; overflow-x: auto; scrollbar-width: none; }
body.vnb2b-public .menu ul::-webkit-scrollbar { display: none; }
body.vnb2b-public .menu li { float: none; flex: 0 0 auto; height: 52px; background: transparent; }
body.vnb2b-public .menu li a { display: flex; align-items: center; height: 52px; padding: 0 15px; color: #43566d; font-weight: 600; }
body.vnb2b-public .menu li a span { display: block; line-height: 52px; }
body.vnb2b-public .menu li:hover,
body.vnb2b-public .menu .menuon { background: transparent; }
body.vnb2b-public .menu li:hover a,
body.vnb2b-public .menu .menuon a { color: var(--vnb-blue); }
body.vnb2b-public .menu .menuon a { box-shadow: inset 0 -3px 0 var(--vnb-blue); }

body.vnb2b-public .vnb2b-audience-strip {
  border-bottom: 1px solid #cad8e7;
  background: linear-gradient(90deg, #e9f2ff, #f1fbfa 62%, #fff7eb);
}
body.vnb2b-public .vnb2b-audience-strip .m {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  color: #476078;
  font-size: 12px;
}
body.vnb2b-public .vnb2b-audience-strip strong { color: var(--vnb-navy); }
body.vnb2b-public .vnb2b-audience-strip a { color: var(--vnb-blue); font-weight: 700; }

/* Homepage: public exhibition lobby. */
body.vnb2b-public .vnb2b-home-hero {
  position: relative;
  overflow: hidden;
  padding: 58px 0;
  background: linear-gradient(145deg, #10243e 0%, #183d60 66%, #0d736f 135%);
  color: #fff;
}
body.vnb2b-public .vnb2b-home-hero:after {
  content: "";
  position: absolute;
  top: -160px;
  right: -140px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.018);
}
body.vnb2b-public .vnb2b-home-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) 520px; align-items: center; gap: 68px; background: transparent; }
body.vnb2b-public .vnb2b-home-kicker { color: #73ddd3; font-size: 12px; font-weight: 800; letter-spacing: .15em; }
body.vnb2b-public .vnb2b-home-copy h1 { max-width: 620px; margin: 16px 0; color: #fff; font-size: 43px; line-height: 1.22; }
body.vnb2b-public .vnb2b-home-copy p { max-width: 630px; margin: 0; color: #c7d7e7; font-size: 15px; line-height: 1.9; }
body.vnb2b-public .vnb2b-home-actions { display: flex; gap: 12px; margin-top: 28px; }
body.vnb2b-public .vnb2b-home-actions a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 19px; border-radius: 8px; font-weight: 800; }
body.vnb2b-public .vnb2b-home-primary { background: var(--vnb-blue); color: #fff; }
body.vnb2b-public .vnb2b-home-primary:hover { background: #3b7cff; color: #fff; transform: translateY(-1px); }
body.vnb2b-public .vnb2b-home-secondary { border: 1px solid rgba(255,255,255,.28); color: #fff; }
body.vnb2b-public .vnb2b-home-secondary:hover { border-color: #fff; color: #fff; }
body.vnb2b-public .vnb2b-home-lenses { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px; }
body.vnb2b-public .vnb2b-home-lenses a { min-height: 112px; padding: 18px; border: 1px solid rgba(255,255,255,.13); border-radius: 11px; background: rgba(255,255,255,.065); backdrop-filter: blur(8px); color: #fff; }
body.vnb2b-public .vnb2b-home-lenses a:hover { border-color: rgba(115,221,211,.65); background: rgba(255,255,255,.1); transform: translateY(-2px); }
body.vnb2b-public .vnb2b-home-lenses small { display: block; color: #73ddd3; font-size: 9px; font-weight: 800; letter-spacing: .11em; }
body.vnb2b-public .vnb2b-home-lenses strong { display: block; margin: 9px 0 5px; font-size: 16px; }
body.vnb2b-public .vnb2b-home-lenses span { color: #b9ccde; font-size: 12px; line-height: 1.55; }
body.vnb2b-public .m0 { padding-top: 28px; background: transparent; }

/* Existing Destoon surfaces inherit the new design system. */
body.vnb2b-public .box_head,
body.vnb2b-public .tab_head { border-color: var(--vnb-line); color: var(--vnb-ink); }
body.vnb2b-public .box_body,
body.vnb2b-public .list,
body.vnb2b-public .main_head,
body.vnb2b-public .main_body { border-color: var(--vnb-line); background: var(--vnb-surface); }
body.vnb2b-public input[type="text"],
body.vnb2b-public input[type="password"],
body.vnb2b-public input[type="search"],
body.vnb2b-public select,
body.vnb2b-public textarea { border-color: #ccd8e5; border-radius: 7px; }
body.vnb2b-public .btn-blue,
body.vnb2b-public .btn-green { border-radius: 8px; border: 0; background: var(--vnb-blue); box-shadow: none; }

/* Login is the gate between ordinary and professional audiences. */
body.vnb2b-public .vnb2b-login-page { padding: 42px 0 54px; }
body.vnb2b-public .vnb2b-login-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, .92fr);
  min-height: 590px;
  overflow: hidden;
  border: 1px solid var(--vnb-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--vnb-shadow);
}
body.vnb2b-public .vnb2b-login-story {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 56px;
  overflow: hidden;
  background: linear-gradient(145deg, #10243e 0%, #17466b 62%, #138783 130%);
  color: #fff;
}
body.vnb2b-public .vnb2b-login-story:after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -150px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 55px rgba(255,255,255,.035), 0 0 0 110px rgba(255,255,255,.025);
}
body.vnb2b-public .vnb2b-login-kicker { color: #7dd3fc; font-size: 12px; font-weight: 800; letter-spacing: .16em; }
body.vnb2b-public .vnb2b-login-story h1 { max-width: 560px; margin: 18px 0; color: #fff; font-size: 42px; line-height: 1.2; }
body.vnb2b-public .vnb2b-login-story > div > p { max-width: 540px; color: #c8d8e9; font-size: 15px; line-height: 1.9; }
body.vnb2b-public .vnb2b-login-benefits { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
body.vnb2b-public .vnb2b-login-benefits span { padding: 14px; border: 1px solid rgba(255,255,255,.14); border-radius: 10px; background: rgba(255,255,255,.06); font-size: 13px; }
body.vnb2b-public .vnb2b-login-card { display: flex; flex-direction: column; justify-content: center; padding: 44px 52px; }
body.vnb2b-public .vnb2b-login-card-title { margin-bottom: 24px; }
body.vnb2b-public .vnb2b-login-card-title small { color: var(--vnb-blue); font-weight: 800; letter-spacing: .1em; }
body.vnb2b-public .vnb2b-login-card-title h2 { margin: 8px 0 5px; color: var(--vnb-ink); font-size: 28px; }
body.vnb2b-public .vnb2b-login-card-title p { color: var(--vnb-muted); }
body.vnb2b-public .vnb2b-login-card .login-main { float: none; width: auto; margin: 0; border: 0; box-shadow: none; }
body.vnb2b-public .vnb2b-login-card .login-head { height: 44px; margin-bottom: 20px; border: 0; border-radius: 8px; background: #eef3f8; }
body.vnb2b-public .vnb2b-login-card .login-head li { height: 44px; border: 0; }
body.vnb2b-public .vnb2b-login-card .login-head li a { line-height: 44px; color: #627389; }
body.vnb2b-public .vnb2b-login-card .login-head li.on { border: 0; border-radius: 7px; background: var(--vnb-navy); }
body.vnb2b-public .vnb2b-login-card .login-head li.on a { color: #fff; }
body.vnb2b-public .vnb2b-login-card .login-body { padding: 0; }
body.vnb2b-public .vnb2b-login-card .login-body input[type="text"],
body.vnb2b-public .vnb2b-login-card .login-body input[type="password"] { box-sizing: border-box; width: 100%; height: 48px; margin: 0 0 14px; padding: 0 15px; background: #fff; }
body.vnb2b-public .vnb2b-login-card .login-btn { width: 100%; height: 48px; margin-top: 4px; font-weight: 800; }
body.vnb2b-public .vnb2b-login-card #msgs { border-radius: 7px; }

/* Footer */
body.vnb2b-public #footb { height: 46px; }
body.vnb2b-public .foot_page { padding: 30px 0 14px; border-top: 1px solid var(--vnb-line); color: var(--vnb-muted); }
body.vnb2b-public .foot_page a { color: #52657b; }
body.vnb2b-public .foot { min-height: 72px; border: 0; color: #8290a2; }

@media (max-width: 900px) {
  body.vnb2b-public .m,
  body.vnb2b-public .head_m { width: min(100% - 24px, 1200px); }
  body.vnb2b-public #destoon-fixon > .m { grid-template-columns: 180px 1fr; gap: 18px; }
  body.vnb2b-public .vnb2b-professional-entry { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: space-between; padding-bottom: 14px; }
  body.vnb2b-public .vnb2b-login-shell { grid-template-columns: 1fr; }
  body.vnb2b-public .vnb2b-home-hero-grid { grid-template-columns: 1fr; gap: 34px; }
  body.vnb2b-public .vnb2b-login-story { min-height: 350px; padding: 40px; }
  body.vnb2b-public .vnb2b-login-story h1 { font-size: 34px; }
}

@media (max-width: 640px) {
  body.vnb2b-public #destoon-fixon > .m { grid-template-columns: 1fr; gap: 14px; padding: 18px 0; }
  body.vnb2b-public .logo { text-align: center; }
  body.vnb2b-public #destoon-search { width: 100%; }
  body.vnb2b-public .search-inp { width: calc(100% - 86px); }
  body.vnb2b-public .search-mod { display: none; }
  body.vnb2b-public .menu,
  body.vnb2b-public .menu ul { height: 46px; }
  body.vnb2b-public .menu li,
  body.vnb2b-public .menu li a,
  body.vnb2b-public .menu li a span { height: 46px; line-height: 46px; }
  body.vnb2b-public .menu li a { padding: 0 12px; }
  body.vnb2b-public .vnb2b-audience-strip .m { align-items: flex-start; flex-direction: column; justify-content: center; gap: 2px; min-height: 48px; }
  body.vnb2b-public .vnb2b-login-page { padding: 20px 0; }
  body.vnb2b-public .vnb2b-login-shell { border-radius: 12px; }
  body.vnb2b-public .vnb2b-login-story { min-height: 290px; padding: 30px 24px; }
  body.vnb2b-public .vnb2b-login-story h1 { font-size: 29px; }
  body.vnb2b-public .vnb2b-login-benefits { grid-template-columns: 1fr 1fr; }
  body.vnb2b-public .vnb2b-login-card { padding: 32px 24px; }
  body.vnb2b-public .vnb2b-home-hero { padding: 42px 0; }
  body.vnb2b-public .vnb2b-home-copy h1 { font-size: 31px; }
  body.vnb2b-public .vnb2b-home-actions { flex-direction: column; }
  body.vnb2b-public .vnb2b-home-actions a { justify-content: center; }
  body.vnb2b-public .vnb2b-home-lenses { grid-template-columns: 1fr 1fr; }
}