/* roulang page: index */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f7faff;
  line-height: 1.7;
  font-size: 16px;
  padding-bottom: 96px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select { font-family: inherit; }
p { margin: 0 0 12px; }
h1, h2, h3, h4 { line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 12px; color: var(--ink); }
.container { max-width: var(--max); }
.skip-link {
  position: absolute; left: 12px; top: -40px; background: #fff; padding: 8px 12px; z-index: 20;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(20, 53, 111, 0.05);
}
.nav-top {
  display: flex; align-items: center; gap: 18px;
  min-height: 78px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d68c4, #16386f);
  color: #fff; font-weight: 800; font-size: 22px;
  box-shadow: var(--shadow-soft);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 15px; font-weight: 800; }
.brand-text small { color: var(--muted); font-size: 12px; }
.stage-chips { display: flex; gap: 8px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 600;
  transition: .2s ease;
}
.chip:hover, .chip:focus-visible { border-color: #9db7de; background: var(--blue-soft); outline: none; }
.chip-live { background: #e8f7ef; border-color: #b7e4cb; color: var(--ok); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: #1ea865; box-shadow: 0 0 0 4px rgba(30,168,101,.16); }
.nav-search { margin-left: auto; display: flex; align-items: center; gap: 8px; background: var(--blue-mist); border: 1px solid var(--line); border-radius: 999px; padding: 6px 8px 6px 14px; min-width: 230px; }
.nav-search input { border: 0; background: transparent; outline: none; width: 100%; color: var(--ink); }
.nav-search button { border: 0; background: var(--blue); color: #fff; width: 34px; height: 34px; border-radius: 50%; }
.menu-btn { display: none; margin-left: auto; border: 1px solid var(--line); background: #fff; border-radius: 12px; width: 46px; height: 46px; }
.menu-btn span { display: block; height: 2px; margin: 5px 10px; background: var(--blue-deep); }
.channel-nav { display: flex; gap: 6px; padding: 0 0 14px; overflow-x: auto; }
.channel-nav a {
  white-space: nowrap; padding: 8px 14px; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.channel-nav a:hover, .channel-nav a:focus-visible { color: var(--blue); background: var(--blue-soft); outline: none; }
.channel-nav a.is-active { color: #fff; background: var(--blue); box-shadow: var(--shadow-soft); }

.hero-stage {
  position: relative;
  padding: 72px 0 36px;
  background: #eef4fb url("/assets/images/1ffd637e14b0f365.jpg") center/cover no-repeat;
}
.hero-stage::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(247,250,255,.94), rgba(238,245,252,.9) 55%, rgba(247,250,255,.94));
}
.hero-stage .container { position: relative; z-index: 1; }
.kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-weight: 700; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 12px; }
h1 { font-size: 48px; max-width: 820px; font-weight: 800; }
.hero-copy { max-width: 820px; color: var(--muted); font-size: 17px; margin-bottom: 28px; }
.compare-board { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 26px; min-height: 100%;
}
.panel h2 { font-size: 26px; }
.panel ul { margin: 0; padding: 0; list-style: none; }
.panel li { display: flex; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); color: var(--ink); }
.panel-before { background: #fbfcfe; }
.panel-after { background: linear-gradient(180deg, #ffffff, #f3f8ff); border-color: #c5d8f3; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700; margin-bottom: 10px; }
.tag-muted { background: #eef2f6; color: #52657c; }
.tag-blue { background: #e5efff; color: var(--blue); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }

.btn-jin, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 13px 20px; font-weight: 700; border: 1px solid transparent;
  transition: .2s ease; cursor: pointer;
}
.btn-jin { background: var(--blue); color: #fff; box-shadow: var(--shadow-soft); }
.btn-jin:hover, .btn-jin:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-2px); outline: none; }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: #c5d5ee; }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); color: var(--blue); outline: none; }
.btn-jin:active, .btn-ghost:active { transform: translateY(0); }

.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-mist { background: var(--blue-mist); }
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 28px; }
.section-head h2 { font-size: 34px; max-width: 680px; }
.section-head p { color: var(--muted); max-width: 460px; margin: 0; }

.kpi-board {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #fff; border: 1px solid var(--line); border-radius: 28px;
  box-shadow: var(--shadow); overflow: hidden;
}
.kpi-board article { padding: 28px 24px; border-right: 1px solid var(--line); }
.kpi-board article:last-child { border-right: 0; }
.kpi-board strong { display: block; font-size: 40px; color: var(--blue); letter-spacing: -0.04em; }
.kpi-board span { color: var(--muted); display: block; }

.bento { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: auto auto; gap: 16px; }
.bento article { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 22px; box-shadow: var(--shadow-soft); }
.bento article:first-child { grid-row: 1 / span 2; background: #14356f url("/assets/images/df2018954f164f7f.jpg") center/cover no-repeat; color: #fff; position: relative; overflow: hidden; min-height: 360px; }
.bento article:first-child::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,38,78,.2), rgba(12,32,68,.82)); }
.bento article:first-child > * { position: relative; z-index: 1; }
.bento article:first-child h3, .bento article:first-child p { color: #fff; }
.bento h3 { font-size: 22px; }
.icon-pill { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; }

.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.step-list { display: flex; flex-direction: column; gap: 14px; }
.step { display: grid; grid-template-columns: 64px 1fr; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px; box-shadow: var(--shadow-soft); }
.step b { font-size: 22px; color: var(--blue); }
.photo-frame { border-radius: 28px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); background: #fff; }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; }
.photo-cap { padding: 14px 16px; color: var(--muted); font-size: 14px; }

.bars { display: flex; flex-direction: column; gap: 16px; }
.bar-row { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.bar-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; margin-bottom: 8px; }
.track { height: 10px; background: #e7eef7; border-radius: 999px; display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; }
.track i { display: block; height: 100%; }
.track .old { background: #c5d0de; }
.track .now { background: linear-gradient(90deg, #6ea2ea, #1f4f9a); }
.legend { display: flex; gap: 16px; color: var(--muted); font-size: 13px; margin-top: 8px; }

.case-card { display: grid; grid-template-columns: .9fr 1.1fr; background: #fff; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.case-card img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.case-body { padding: 32px; }
.case-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.case-metrics div { background: var(--blue-mist); border-radius: 16px; padding: 14px; }
.case-metrics strong { display: block; font-size: 22px; color: var(--blue); }

.timeline { position: relative; margin-left: 12px; }
.timeline::before { content: ""; position: absolute; left: 18px; top: 0; bottom: 0; width: 2px; background: #d5e2f2; }
.mile { position: relative; display: grid; grid-template-columns: 140px 1fr; gap: 18px; padding: 0 0 22px 58px; }
.mile::before { content: ""; position: absolute; left: 10px; top: 6px; width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 4px solid var(--blue); }
.mile time { color: var(--blue); font-weight: 700; }

.channel-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.channel-wall a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px; min-height: 168px; box-shadow: var(--shadow-soft); transition: .2s ease; }
.channel-wall a:hover, .channel-wall a:focus-visible { transform: translateY(-3px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.channel-wall a:nth-child(1) { grid-column: span 2; background: linear-gradient(180deg, #fff, #f4f8ff); }
.channel-wall small { color: var(--blue); font-weight: 700; }

.gallery { display: grid; grid-template-columns: 1.3fr 1fr 1fr; grid-auto-rows: 210px; gap: 12px; }
.gallery a { position: relative; border-radius: 20px; overflow: hidden; display: block; }
.gallery a:first-child { grid-row: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
.gallery span { position: absolute; left: 12px; right: 12px; bottom: 12px; background: rgba(255,255,255,.92); border-radius: 12px; padding: 8px 10px; font-weight: 700; font-size: 14px; }

.news-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.feature-news, .news-item, .related-card, .quote, .slot, .guard { background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow-soft); }
.feature-news { overflow: hidden; }
.feature-news img { width: 100%; height: 230px; object-fit: cover; }
.feature-news div, .news-item { padding: 18px; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item { display: grid; grid-template-columns: 92px 1fr; gap: 12px; align-items: center; }
.news-item img { width: 92px; height: 72px; object-fit: cover; border-radius: 12px; }
.meta { color: var(--muted); font-size: 13px; display: flex; gap: 10px; flex-wrap: wrap; }
.empty-note { background: #fff; border: 1px dashed var(--line); border-radius: 16px; padding: 18px; color: var(--muted); }
.more-link { display: inline-flex; margin-top: 14px; font-weight: 700; color: var(--blue); }

.related-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.related-card { overflow: hidden; height: 100%; transition: .2s ease; }
.related-card:hover { transform: translateY(-3px); }
.related-card img { height: 130px; width: 100%; object-fit: cover; }
.related-card div { padding: 14px; }

.quote-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; }
.quote { padding: 24px; }
.quote:first-child { background: #14356f; color: #fff; }
.quote:first-child p, .quote:first-child h3 { color: #fff; }
.quote footer { color: #d5e4f8; font-size: 14px; }

.slot-list { display: flex; flex-direction: column; gap: 12px; }
.slot { display: grid; grid-template-columns: 120px 1.4fr .8fr auto; gap: 12px; align-items: center; padding: 16px 18px; }
.badge { border-radius: 999px; padding: 5px 10px; font-size: 12px; font-weight: 700; }
.badge-open { background: #e5f7ee; color: var(--ok); }
.badge-warm { background: #fff4e4; color: var(--warn); }
.badge-full { background: #eef2f6; color: #607086; }
.desk-form { background: #fff; border-radius: 24px; border: 1px solid var(--line); padding: 22px; box-shadow: var(--shadow); }
.desk-form label { display: block; font-weight: 600; margin-bottom: 6px; }
.desk-form input, .desk-form select { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 12px; background: #f8fbff; }
.desk-form input:focus, .desk-form select:focus { outline: 3px solid rgba(31,79,154,.2); border-color: var(--blue); }
.form-note { background: #e8f7ef; color: var(--ok); border-radius: 12px; padding: 10px 12px; }

.campaign { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; align-items: stretch; }
.campaign-copy { background: #fff; border-radius: 28px; padding: 28px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.perk { display: flex; gap: 12px; padding-top: 12px; }
.campaign-visual { border-radius: 28px; min-height: 320px; background: url("/assets/images/7dbfccd3a4743596.webp") center/cover no-repeat; position: relative; overflow: hidden; box-shadow: var(--shadow); }
.campaign-visual span { position: absolute; left: 16px; bottom: 16px; right: 16px; background: rgba(255,255,255,.94); border-radius: 16px; padding: 14px; font-weight: 700; }

.guard-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.guard { padding: 20px; }
.guard i { font-size: 22px; color: var(--blue); }

.accordion-item { border: 1px solid var(--line) !important; border-radius: 16px !important; overflow: hidden; margin-bottom: 12px; box-shadow: var(--shadow-soft); }
.accordion-button { font-weight: 700; color: var(--ink); background: #fff; }
.accordion-button:not(.collapsed) { background: #eaf2ff; color: var(--blue-deep); box-shadow: none; }
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(31,79,154,.2); }
.accordion-body { color: var(--muted); }

.dock-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; background: rgba(255,255,255,.96); border-top: 1px solid var(--line); box-shadow: 0 -10px 30px rgba(20,53,111,.08); }
.dock-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock-inner p { margin: 0; color: var(--muted); font-size: 14px; }

.site-footer { background: #10284d; color: #d5e2f4; padding: 42px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 24px; }
.site-footer a { color: #d5e2f4; }
.site-footer a:hover { color: #fff; }
.site-footer strong { color: #fff; display: block; margin-bottom: 8px; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); margin-top: 22px; padding-top: 14px; font-size: 13px; color: #b7c8e2; }

@media (max-width: 1024px) {
  h1 { font-size: 40px; }
  .section-head, .split, .case-card, .news-layout, .quote-grid, .campaign, .footer-grid { grid-template-columns: 1fr; }
  .kpi-board, .channel-wall, .related-row, .guard-row { grid-template-columns: 1fr 1fr; }
  .bento { grid-template-columns: 1fr 1fr; }
  .bento article:first-child { grid-row: auto; grid-column: span 2; }
  .gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: 180px; }
  .slot { grid-template-columns: 1fr 1fr; }
  .nav-search { min-width: 180px; }
  .photo-frame img, .case-card img { height: 280px; }
}
@media (max-width: 768px) {
  .nav-top { flex-wrap: wrap; padding: 10px 0; }
  .menu-btn { display: inline-block; }
  .nav-search { order: 5; width: 100%; margin: 0 0 8px; }
  .stage-chips { order: 4; width: 100%; overflow-x: auto; padding-bottom: 6px; }
  .brand { min-width: 0; }
  .section { padding: 58px 0; }
  .section-head { display: block; }
  .compare-board, .kpi-board, .bento, .channel-wall, .related-row, .guard-row, .gallery, .case-metrics { grid-template-columns: 1fr; }
  .bento article:first-child, .channel-wall a:nth-child(1), .gallery a:first-child { grid-column: auto; grid-row: auto; }
  .mile { grid-template-columns: 1fr; padding-left: 48px; }
  .dock-inner { flex-direction: column; align-items: flex-start; padding: 10px 0; }
  h1 { font-size: 32px; }
  .section-head h2 { font-size: 28px; }
}
@media (max-width: 520px) {
  body { padding-bottom: 128px; }
  .brand-text strong { font-size: 13px; }
  .hero-stage { padding-top: 36px; }
  .panel, .case-body, .campaign-copy { padding: 16px; }
  .news-item { grid-template-columns: 1fr; }
  .kpi-board strong { font-size: 32px; }
  .hero-actions .btn-jin, .hero-actions .btn-ghost, .dock-inner .btn-jin { width: 100%; }
}

/* roulang page: article */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f7faff;
  line-height: 1.7;
  font-size: 16px;
  padding-bottom: 96px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select { font-family: inherit; }
.container { max-width: var(--max); }
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(20, 53, 111, 0.05);
}
.nav-top {
  display: flex; align-items: center; gap: 18px;
  min-height: 78px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d68c4, #16386f);
  color: #fff; font-weight: 800; font-size: 22px;
  box-shadow: var(--shadow-soft);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 15px; font-weight: 800; }
.brand-text small { color: var(--muted); font-size: 12px; }
.stage-chips { display: flex; gap: 8px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 600;
  transition: .2s ease;
}
.chip:hover, .chip:focus-visible { border-color: #9db7de; background: var(--blue-soft); outline: none; }
.chip-live { background: #e8f7ef; border-color: #b7e4cb; color: var(--ok); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(29,122,82,.15); display: inline-block; }
.nav-search { margin-left: auto; display: flex; align-items: center; gap: 8px; background: var(--blue-mist); border: 1px solid var(--line); border-radius: 999px; padding: 6px 8px 6px 14px; min-width: 230px; }
.nav-search input { border: 0; background: transparent; outline: none; width: 100%; color: var(--ink); }
.nav-search button { border: 0; background: var(--blue); color: #fff; width: 34px; height: 34px; border-radius: 50%; transition: .2s ease; }
.nav-search button:hover, .nav-search button:focus-visible { background: var(--blue-deep); outline: none; }
.menu-btn { display: none; margin-left: auto; border: 1px solid var(--line); background: #fff; border-radius: 12px; width: 46px; height: 46px; }
.menu-btn span { display: block; height: 2px; margin: 5px 10px; background: var(--blue-deep); }
.menu-btn:hover, .menu-btn:focus-visible { border-color: #9db7de; outline: none; }
.channel-nav { display: flex; gap: 6px; padding: 0 0 14px; overflow-x: auto; }
.channel-nav a {
  white-space: nowrap; padding: 8px 14px; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.channel-nav a:hover, .channel-nav a:focus-visible { color: var(--blue); background: var(--blue-soft); outline: none; }
.channel-nav a.is-active { color: #fff; background: var(--blue); box-shadow: var(--shadow-soft); }
.hero-stage {
  position: relative;
  padding: 72px 0 36px;
  background: #eef4fb url("/assets/images/1ffd637e14b0f365.jpg") center/cover no-repeat;
}
.hero-stage::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(247,250,255,.94), rgba(238,245,252,.9) 55%, rgba(247,250,255,.94));
}
.hero-stage .container { position: relative; z-index: 1; }
.hero-copy { max-width: 820px; color: var(--muted); font-size: 17px; margin-bottom: 28px; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700; margin-bottom: 10px; }
.tag-muted { background: #eef2f6; color: #52657c; }
.tag-blue { background: #e5efff; color: var(--blue); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.btn-jin, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 13px 20px; font-weight: 700; border: 1px solid transparent;
  transition: .2s ease; cursor: pointer;
}
.btn-jin { background: var(--blue); color: #fff; box-shadow: var(--shadow-soft); }
.btn-jin:hover, .btn-jin:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-2px); outline: none; }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: #c5d5ee; }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); color: var(--blue); outline: none; }
.btn-jin:active, .btn-ghost:active { transform: translateY(0); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-mist { background: var(--blue-mist); }
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 28px; text-align: left; }
.section-head h2 { font-size: 34px; max-width: 680px; }
.section-head p { color: var(--muted); max-width: 460px; margin: 0; }
.icon-pill { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; }
.step-list { display: flex; flex-direction: column; gap: 14px; }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; }
.bar-row { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.bar-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; margin-bottom: 8px; }
.case-card { display: grid; grid-template-columns: .9fr 1.1fr; background: #fff; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.case-card img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.case-body { padding: 32px; }
.channel-wall a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px; min-height: 168px; box-shadow: var(--shadow-soft); transition: .2s ease; }
.channel-wall a:hover, .channel-wall a:focus-visible { transform: translateY(-3px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.channel-wall a:nth-child(1) { grid-column: span 2; background: linear-gradient(180deg, #fff, #f4f8ff); }
.gallery a { position: relative; border-radius: 20px; overflow: hidden; display: block; }
.gallery a:first-child { grid-row: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
h1, h2, h3 { overflow-wrap: anywhere; color: var(--ink); }
h1 { font-size: 46px; line-height: 1.18; letter-spacing: -0.03em; font-weight: 800; margin: 0 0 14px; }
h2 { font-size: 34px; line-height: 1.25; letter-spacing: -0.02em; font-weight: 800; }
h3 { font-size: 20px; font-weight: 800; margin: 0 0 8px; }
.article-mast {
  position: relative;
  padding: 58px 0 34px;
  background: #f4f8fc url("/assets/images/2087bfbfb82d7dfb.webp") center/cover no-repeat;
}
.article-mast::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(247,250,255,.97) 0%, rgba(247,250,255,.94) 52%, rgba(244,248,252,.82) 100%);
}
.article-mast .container { position: relative; z-index: 1; }
.crumb { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.crumb a { color: var(--blue-deep); }
.crumb a:hover, .crumb a:focus-visible { color: var(--blue); outline: none; }
.rank-badge {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid #efd3a4; background: #fff8ee; color: #8a5a12;
  border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 700; margin-bottom: 14px;
}
.lead-copy { max-width: 760px; color: var(--muted); font-size: 18px; margin: 0 0 12px; }
.mast-note { max-width: 760px; color: var(--ink); margin: 0; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 18px 0 0; }
.meta-row .tag { margin: 0; }
.meta-time { color: var(--muted); font-size: 13px; font-weight: 600; }
.kw-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.kw-row .tag { margin: 0; }
.article-grid { display: grid; grid-template-columns: minmax(0, 720px) 300px; gap: 36px; align-items: start; justify-content: space-between; }
.reading-col { max-width: 720px; min-width: 0; }
.prose { color: var(--ink); font-size: 17px; }
.prose h2 { font-size: 28px; margin: 1.35em 0 .45em; }
.prose h3 { font-size: 22px; margin: 1.2em 0 .4em; }
.prose p { margin: 0 0 1em; }
.prose ul, .prose ol { margin: 0 0 1em; padding-left: 1.2em; }
.prose li { margin: .35em 0; }
.prose a { color: var(--blue-deep); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover, .prose a:focus-visible { color: var(--blue); outline: none; }
.prose img { border-radius: 18px; margin: 16px 0; border: 1px solid var(--line); }
.prose blockquote { margin: 16px 0; padding: 14px 16px; border-left: 4px solid var(--gold); background: #fff8ee; border-radius: 0 16px 16px 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 16px 0; background: #fff; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--blue-soft); }
.empty-note { background: #fff; border: 1px dashed #b7c9e4; border-radius: var(--radius); padding: 36px 24px; box-shadow: var(--shadow-soft); }
.empty-note p { font-size: 22px; font-weight: 800; margin: 0 0 16px; }
.side-stack { position: sticky; top: 112px; display: flex; flex-direction: column; gap: 16px; }
.side-card { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 18px; box-shadow: var(--shadow-soft); }
.side-card img { width: 100%; height: 148px; object-fit: cover; border-radius: 16px; margin-bottom: 12px; }
.side-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.side-list li { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line); font-size: 14px; }
.side-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.side-list span { color: var(--muted); }
.side-list strong { font-weight: 700; text-align: right; }
.ledger { display: grid; grid-template-columns: .78fr 1.22fr; gap: 28px; align-items: start; }
.step-item { display: grid; grid-template-columns: 54px 1fr; gap: 12px; align-items: start; }
.step-no { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--blue); color: #fff; font-weight: 800; }
.step-item p { margin: 0; color: var(--muted); }
.fact-line { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 18px; }
.fact-line div { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; min-width: 140px; box-shadow: var(--shadow-soft); }
.fact-line strong { display: block; font-size: 18px; }
.fact-line span { color: var(--muted); font-size: 13px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-panel { border-radius: 24px; padding: 26px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-soft); }
.compare-panel.alt { background: #10284d; color: #e7eef8; border-color: #10284d; }
.compare-panel.alt h3, .compare-panel.alt li { color: #e7eef8; }
.compare-panel ul { margin: 0; padding-left: 18px; }
.compare-panel li { margin: 8px 0; }
.shift-row { display: grid; grid-template-columns: repeat(4, 1fr); background: linear-gradient(160deg, #1a448c, #10284d); color: #fff; border-radius: 28px; overflow: hidden; box-shadow: var(--shadow); }
.shift-row article { padding: 28px 22px; border-right: 1px solid rgba(255,255,255,.12); }
.shift-row article:last-child { border-right: 0; }
.shift-row h3 { color: #fff; }
.shift-row p { margin: 0; color: #d5e2f4; }
.shift-row span { display: inline-block; margin-bottom: 10px; color: #f2d7a6; font-weight: 800; letter-spacing: .04em; font-size: 13px; }
.news-layout { display: grid; grid-template-columns: 280px 1fr; gap: 22px; align-items: start; }
.news-cover { border-radius: 24px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-soft); min-height: 100%; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
.news-row { display: grid; grid-template-columns: 112px 1fr; gap: 14px; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: #fff; margin-bottom: 12px; box-shadow: var(--shadow-soft); transition: .2s ease; }
.news-row:hover, .news-row:focus-visible { transform: translateY(-2px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.news-row img { width: 112px; height: 84px; object-fit: cover; border-radius: 12px; }
.news-row strong { display: block; line-height: 1.4; }
.news-row em { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-style: normal; color: var(--muted); font-size: 14px; }
.news-row small { color: var(--gold); font-weight: 700; }
.close-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 22px; align-items: center; background: #fff; border: 1px solid var(--line); border-left: 6px solid var(--gold); border-radius: 28px; padding: 28px; box-shadow: var(--shadow); }
.close-grid p { color: var(--muted); margin: 0 0 16px; }
.site-footer { background: #10284d; color: #d5e2f4; padding: 48px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.site-footer strong { color: #fff; display: block; margin-bottom: 8px; }
.site-footer p { color: #b7c7de; margin: 0 0 8px; }
.site-footer a { color: #fff; font-weight: 700; }
.site-footer a:hover, .site-footer a:focus-visible { color: #f2d7a6; outline: none; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); margin-top: 26px; padding-top: 16px; color: #9fb0c9; font-size: 14px; }
.dock { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; background: rgba(255,255,255,.96); border-top: 1px solid var(--line); box-shadow: 0 -10px 30px rgba(20,53,111,.08); backdrop-filter: blur(12px); }
.dock-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 74px; }
.dock-inner strong { display: block; line-height: 1.3; }
.dock-inner span { color: var(--muted); font-size: 14px; }
@media (max-width: 1024px) {
  .article-grid, .ledger, .news-layout, .close-grid { grid-template-columns: 1fr; }
  .side-stack { position: static; }
  .nav-search { min-width: 160px; }
  .brand { min-width: 0; }
  h1 { font-size: 38px; }
}
@media (max-width: 768px) {
  .menu-btn { display: inline-block; }
  .nav-search, .stage-chips { display: none; }
  .channel-nav a { display: flex; }
  .section { padding: 56px 0; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-head h2, h2 { font-size: 28px; }
  h1 { font-size: 32px; }
  .compare-grid, .shift-row, .footer-grid { grid-template-columns: 1fr; }
  .shift-row article { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .case-card { grid-template-columns: 1fr; }
  .case-card img, .photo-frame img { height: 240px; min-height: 240px; }
  .dock-inner span { display: none; }
}
@media (max-width: 520px) {
  .article-actions, .hero-actions { flex-direction: column; }
  .btn-jin, .btn-ghost { width: 100%; }
  .brand-text strong { font-size: 13px; }
  .news-row { grid-template-columns: 1fr; }
  .news-row img { width: 100%; height: 160px; }
  .step-item { grid-template-columns: 42px 1fr; }
  .article-mast { padding: 36px 0 24px; }
}

/* roulang page: category1 */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
/* roulang page: index */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f7faff;
  line-height: 1.7;
  font-size: 16px;
  padding-bottom: 96px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select { font-family: inherit; }
.container { max-width: var(--max); }
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(20, 53, 111, 0.05);
}
.nav-top {
  display: flex; align-items: center; gap: 18px;
  min-height: 78px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d68c4, #16386f);
  color: #fff; font-weight: 800; font-size: 22px;
  box-shadow: var(--shadow-soft);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 15px; font-weight: 800; }
.brand-text small { color: var(--muted); font-size: 12px; }
.stage-chips { display: flex; gap: 8px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 600;
  transition: .2s ease;
}
.chip:hover, .chip:focus-visible { border-color: #9db7de; background: var(--blue-soft); outline: none; }
.chip-live { background: #e8f7ef; border-color: #b7e4cb; color: var(--ok); }
.nav-search { margin-left: auto; display: flex; align-items: center; gap: 8px; background: var(--blue-mist); border: 1px solid var(--line); border-radius: 999px; padding: 6px 8px 6px 14px; min-width: 230px; }
.nav-search input { border: 0; background: transparent; outline: none; width: 100%; color: var(--ink); }
.nav-search button { border: 0; background: var(--blue); color: #fff; width: 34px; height: 34px; border-radius: 50%; }
.menu-btn { display: none; margin-left: auto; border: 1px solid var(--line); background: #fff; border-radius: 12px; width: 46px; height: 46px; }
.menu-btn span { display: block; height: 2px; margin: 5px 10px; background: var(--blue-deep); }
.channel-nav { display: flex; gap: 6px; padding: 0 0 14px; overflow-x: auto; }
.channel-nav a {
  white-space: nowrap; padding: 8px 14px; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.channel-nav a:hover, .channel-nav a:focus-visible { color: var(--blue); background: var(--blue-soft); outline: none; }
.channel-nav a.is-active { color: #fff; background: var(--blue); box-shadow: var(--shadow-soft); }
.hero-stage {
  position: relative;
  padding: 72px 0 36px;
  background: #eef4fb url("/assets/images/1ffd637e14b0f365.jpg") center/cover no-repeat;
}
.hero-stage::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(247,250,255,.94), rgba(238,245,252,.9) 55%, rgba(247,250,255,.94));
}
.hero-stage .container { position: relative; z-index: 1; }
.hero-copy { max-width: 820px; color: var(--muted); font-size: 17px; margin-bottom: 28px; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700; margin-bottom: 10px; }
.tag-muted { background: #eef2f6; color: #52657c; }
.tag-blue { background: #e5efff; color: var(--blue); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.btn-jin, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 13px 20px; font-weight: 700; border: 1px solid transparent;
  transition: .2s ease; cursor: pointer;
}
.btn-jin { background: var(--blue); color: #fff; box-shadow: var(--shadow-soft); }
.btn-jin:hover, .btn-jin:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-2px); outline: none; }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: #c5d5ee; }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); color: var(--blue); outline: none; }
.btn-jin:active, .btn-ghost:active { transform: translateY(0); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-mist { background: var(--blue-mist); }
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 28px; }
.section-head h2 { font-size: 34px; max-width: 680px; }
.section-head p { color: var(--muted); max-width: 460px; margin: 0; }
.icon-pill { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; }
.step-list { display: flex; flex-direction: column; gap: 14px; }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; }
.bar-row { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.bar-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; margin-bottom: 8px; }
.case-card { display: grid; grid-template-columns: .9fr 1.1fr; background: #fff; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.case-card img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.case-body { padding: 32px; }
.channel-wall a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px; min-height: 168px; box-shadow: var(--shadow-soft); transition: .2s ease; }
.channel-wall a:hover, .channel-wall a:focus-visible { transform: translateY(-3px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.channel-wall a:nth-child(1) { grid-column: span 2; background: linear-gradient(180deg, #fff, #f4f8ff); }
.gallery a { position: relative; border-radius: 20px; overflow: hidden; display: block; }
.gallery a:first-child { grid-row: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
/* design system truncated */
*, *::before, *::after { box-sizing: border-box; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.12; font-weight: 800; letter-spacing: -0.03em; color: var(--ink); margin-bottom: 14px; }
h2 { font-size: 34px; line-height: 1.25; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); }
h3 { font-size: 20px; line-height: 1.35; font-weight: 750; color: var(--ink); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(29,122,82,.15); display: inline-block; }
.nav-search:focus-within { border-color: #9db7de; box-shadow: 0 0 0 4px rgba(31,79,154,.12); }
.nav-search button:hover, .nav-search button:focus-visible { background: var(--blue-deep); outline: none; }
.menu-btn:hover, .menu-btn:focus-visible { border-color: #9db7de; outline: none; }
.page-gate .hero-stage {
  padding: 54px 0 28px;
  background-image: url("/assets/images/7dbfccd3a4743596.webp");
}
.crumb { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.crumb a { color: var(--blue); }
.crumb a:hover, .crumb a:focus-visible { text-decoration: underline; outline: none; }
.hero-brand { margin: 0 0 8px; font-weight: 800; color: var(--blue-deep); letter-spacing: .01em; }
.gate-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 34px; align-items: center; }
.gate-copy { color: var(--muted); font-size: 17px; max-width: 640px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 22px 0 0; }
.trust-row li { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.86); border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; color: var(--blue-deep); font-size: 13px; font-weight: 650; box-shadow: var(--shadow-soft); }
.status-panel { background: #fff; border: 1px solid var(--line); border-radius: 28px; overflow: hidden; box-shadow: var(--shadow); }
.status-panel img { width: 100%; height: 210px; object-fit: cover; }
.status-body { padding: 18px 18px 8px; }
.status-kicker { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 8px; }
.status-kicker strong { font-size: 16px; }
.status-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 14px; }
.status-row span { color: var(--muted); }
.status-row b { color: var(--blue-deep); font-weight: 750; }
.ok-text { color: var(--ok) !important; }
.sell-band { display: grid; grid-template-columns: repeat(3, 1fr); background: #fff; border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); overflow: hidden; }
.sell-item { padding: 28px 24px 26px; }
.sell-item + .sell-item { border-left: 1px solid var(--line); }
.sell-no { font-size: 13px; font-weight: 800; letter-spacing: .08em; color: var(--gold); }
.sell-item h3 { margin: 10px 0; }
.sell-item p { margin: 0; color: var(--muted); }
.scene-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 28px; align-items: center; }
.photo-frame { border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: #fff; }
.step-list article { display: grid; grid-template-columns: 64px 1fr; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 16px; box-shadow: var(--shadow-soft); }
.step-no { width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; background: var(--blue); color: #fff; font-weight: 800; font-size: 18px; }
.step-list h3 { margin-bottom: 4px; font-size: 18px; }
.step-list p { margin: 0; color: var(--muted); }
.proof-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 22px; align-items: stretch; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stat-card { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 20px; box-shadow: var(--shadow-soft); }
.stat-card b { display: block; font-size: 30px; line-height: 1.1; color: var(--blue-deep); letter-spacing: -.03em; }
.stat-card span { color: var(--muted); font-size: 14px; }
.shift-note { background: #fff; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.shift-note img { width: 100%; height: 230px; object-fit: cover; }
.shift-note blockquote { margin: 0; padding: 22px 22px 8px; font-size: 18px; font-weight: 650; line-height: 1.55; color: var(--ink); }
.shift-note figcaption { padding: 0 22px 20px; color: var(--muted); font-size: 14px; }
.mark-grid { display: grid; grid-template-columns: .84fr 1.16fr; gap: 22px; }
.timeline { list-style: none; margin: 0; padding: 8px 8px 8px 0; display: flex; flex-direction: column; gap: 0; }
.timeline li { display: grid; grid-template-columns: 28px 1fr; gap: 14px; }
.rail { width: 14px; height: 14px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 6px var(--blue-soft); margin: 6px auto 0; position: relative; }
.timeline li:not(:last-child) .rail::after { content: ""; position: absolute; left: 6px; top: 16px; width: 2px; height: calc(100% + 28px); background: #c9daf3; }
.timeline h3 { font-size: 18px; margin-bottom: 4px; }
.timeline p { margin: 0 0 18px; color: var(--muted); }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-col { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 22px; box-shadow: var(--shadow-soft); }
.compare-col.is-main { background: linear-gradient(180deg, #fff, #f3f7fd); border-color: #c5d6f0; }
.compare-col ul { list-style: none; padding: 0; margin: 14px 0 0; }
.compare-col li { display: flex; gap: 10px; align-items: flex-start; padding: 11px 0; border-top: 1px solid var(--line); color: var(--ink); }
.compare-col i { color: var(--ok); margin-top: 3px; }
.compare-col.is-out i { color: var(--warn); }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item a { display: grid; grid-template-columns: 168px 1fr; gap: 16px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 12px; box-shadow: var(--shadow-soft); transition: .2s ease; }
.news-item a:hover, .news-item a:focus-visible { transform: translateY(-3px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.news-item img { width: 168px; height: 118px; object-fit: cover; border-radius: 16px; }
.news-item h3 { margin: 4px 0 6px; font-size: 20px; }
.news-item p { margin: 0; color: var(--muted); }
.news-meta { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 13px; font-weight: 650; }
.empty-note { background: #fff; border: 1px dashed #b9cef0; border-radius: 18px; padding: 22px; color: var(--muted); margin: 0; }
.more-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 750; color: var(--blue); }
.more-link:hover, .more-link:focus-visible { color: var(--blue-deep); outline: none; }
.faq-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 28px; align-items: start; }
.faq-side { background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: 26px; box-shadow: var(--shadow); position: sticky; top: 118px; }
.faq-side p { color: var(--muted); margin-bottom: 0; }
.page-gate .accordion { --bs-accordion-border-color: transparent; --bs-accordion-btn-focus-box-shadow: 0 0 0 4px rgba(31,79,154,.14); --bs-accordion-active-bg: #e7f0fb; --bs-accordion-active-color: #14356f; --bs-accordion-btn-color: #17304d; }
.page-gate .accordion-item { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; margin-bottom: 12px; background: #fff; box-shadow: var(--shadow-soft); }
.page-gate .accordion-button { font-weight: 750; line-height: 1.45; padding: 16px 18px; }
.page-gate .accordion-button:not(.collapsed) { box-shadow: none; }
.page-gate .accordion-body { color: var(--muted); padding: 0 18px 16px; }
.promise-band { position: relative; color: #fff; border-radius: 28px; overflow: hidden; padding: 34px; background: #14356f url("/assets/images/2087bfbfb82d7dfb.webp") center/cover no-repeat; box-shadow: var(--shadow); }
.promise-band::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(16,40,77,.92), rgba(20,53,111,.74)); }
.promise-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: center; }
.promise-band h2, .promise-band p { color: #fff; }
.promise-band p { color: #d5e4f8; margin-bottom: 0; }
.promise-list { display: flex; flex-direction: column; gap: 10px; margin: 0; padding: 0; list-style: none; }
.promise-list li { display: flex; gap: 10px; align-items: flex-start; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 16px; padding: 12px 14px; }
.channel-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.channel-wall small { display: block; color: var(--gold); font-weight: 800; letter-spacing: .04em; margin-bottom: 8px; }
.channel-wall h3 { margin-bottom: 6px; }
.channel-wall p { margin: 0; color: var(--muted); }
.channel-wall a.is-here { outline: 2px solid #b9cef0; }
.site-footer { background: #10284d; color: #d5e2f4; padding: 48px 0 28px; }
.site-footer strong { color: #fff; display: block; margin-bottom: 8px; }
.site-footer p { margin: 0 0 8px; color: #c5d4ea; }
.site-footer a { color: #fff; }
.site-footer a:hover, .site-footer a:focus-visible { color: #ffd9a1; outline: none; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); margin-top: 28px; padding-top: 16px; color: #9fb0c9; font-size: 14px; }
.dock-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; background: rgba(255,255,255,.96); border-top: 1px solid var(--line); box-shadow: 0 -10px 30px rgba(20,53,111,.08); backdrop-filter: blur(12px); }
.dock-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock-inner strong { display: block; color: var(--ink); }
.dock-inner span { color: var(--muted); font-size: 14px; }
@media (min-width: 992px) {
  #kenhNav.channel-nav { display: flex !important; height: auto !important; }
}
@media (max-width: 1024px) {
  .brand { min-width: 210px; }
  .nav-search { min-width: 160px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section-head h2, h2 { font-size: 30px; }
  .channel-wall { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 991.98px) {
  .menu-btn { display: inline-block; }
  .nav-search { display: none; }
  .nav-top { flex-wrap: wrap; padding-top: 10px; }
  .stage-chips { order: 5; width: 100%; overflow-x: auto; padding-bottom: 8px; }
  .channel-nav.collapse:not(.show) { display: none !important; }
  .channel-nav.collapse.show { display: flex !important; flex-direction: column; align-items: flex-start; padding-bottom: 14px; }
}
@media (max-width: 900px) {
  .gate-grid, .scene-grid, .proof-grid, .mark-grid, .faq-grid, .promise-inner { grid-template-columns: 1fr; }
  .faq-side { position: static; }
  .photo-frame img, .case-card img { height: 280px; min-height: 0; }
}
@media (max-width: 768px) {
  :root { --space: 56px; }
  .sell-band, .stat-grid, .compare-grid, .footer-grid, .channel-wall { grid-template-columns: 1fr; }
  .sell-item + .sell-item { border-left: 0; border-top: 1px solid var(--line); }
  .channel-wall a:nth-child(1) { grid-column: span 1; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .news-item a { grid-template-columns: 1fr; }
  .news-item img { width: 100%; height: 190px; }
  .case-card { grid-template-columns: 1fr; }
  body.page-gate { padding-bottom: 150px; }
}
@media (max-width: 520px) {
  .brand { min-width: 0; flex: 1; }
  .brand-text strong { font-size: 13px; }
  .brand-mark { width: 40px; height: 40px; font-size: 18px; }
  .stage-chips { display: none; }
  .hero-actions .btn-jin, .hero-actions .btn-ghost, .dock-inner .btn-jin { width: 100%; }
  .dock-inner { flex-direction: column; align-items: stretch; padding: 12px 0; }
  .status-row, .bar-meta { flex-direction: column; }
  .step-list article { grid-template-columns: 1fr; }
}

/* roulang page: category3 */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
/* roulang page: category3 */
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f7faff;
  line-height: 1.7;
  font-size: 16px;
  padding-bottom: 118px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, h4 { color: var(--ink); letter-spacing: -0.025em; line-height: 1.22; }
h1 { font-size: 48px; font-weight: 800; margin: 0 0 14px; }
h2 { font-size: 34px; font-weight: 800; margin: 0 0 12px; }
h3 { font-size: 20px; font-weight: 700; margin: 0 0 8px; }
p { margin: 0 0 12px; }
.container { max-width: var(--max); }
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(20, 53, 111, 0.05);
}
.nav-top { display: flex; align-items: center; gap: 18px; min-height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d68c4, #16386f);
  color: #fff; font-weight: 800; font-size: 22px;
  box-shadow: var(--shadow-soft); flex: 0 0 auto;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 15px; font-weight: 800; }
.brand-text small { color: var(--muted); font-size: 12px; }
.stage-chips { display: flex; gap: 8px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 600;
  transition: .2s ease;
}
.chip:hover, .chip:focus-visible { border-color: #9db7de; background: var(--blue-soft); outline: none; }
.chip-live { background: #e8f7ef; border-color: #b7e4cb; color: var(--ok); }
.live-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--ok); display: inline-block;
  box-shadow: 0 0 0 0 rgba(29, 122, 82, .55); animation: pulse 1.6s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 7px rgba(29, 122, 82, 0); }
  100% { box-shadow: 0 0 0 0 rgba(29, 122, 82, 0); }
}
.nav-search {
  margin-left: auto; display: flex; align-items: center; gap: 8px;
  background: var(--blue-mist); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 8px 6px 14px; min-width: 230px;
}
.nav-search input { border: 0; background: transparent; outline: none; width: 100%; color: var(--ink); }
.nav-search button { border: 0; background: var(--blue); color: #fff; width: 34px; height: 34px; border-radius: 50%; }
.nav-search button:hover, .nav-search button:focus-visible { background: var(--blue-deep); outline: none; }
.menu-btn { display: none; margin-left: auto; border: 1px solid var(--line); background: #fff; border-radius: 12px; width: 46px; height: 46px; }
.menu-btn span { display: block; height: 2px; margin: 5px 10px; background: var(--blue-deep); }
.menu-btn:focus-visible { outline: 3px solid rgba(31, 79, 154, .25); }
.channel-nav { gap: 6px; padding: 0 0 14px; overflow-x: auto; }
.channel-nav a {
  white-space: nowrap; padding: 8px 14px; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: 14px; border: 1px solid transparent;
}
.channel-nav a:hover, .channel-nav a:focus-visible { color: var(--blue); background: var(--blue-soft); outline: none; }
.channel-nav a.is-active { color: #fff; background: var(--blue); box-shadow: var(--shadow-soft); }
.session-hero {
  position: relative; padding: 64px 0 36px;
  background: #eef4fb url("/assets/images/7dbfccd3a4743596.webp") center/cover no-repeat;
}
.session-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(247,250,255,.95), rgba(238,245,252,.92) 58%, rgba(247,250,255,.96));
}
.session-hero .container { position: relative; z-index: 1; }
.crumb { color: var(--muted); font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.crumb a:hover, .crumb a:focus-visible { color: var(--blue); outline: none; }
.crumb span { margin: 0 6px; color: #9aafc8; }
.hero-copy { max-width: 640px; color: var(--muted); font-size: 17px; margin-bottom: 8px; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700; margin-bottom: 10px; }
.tag-muted { background: #eef2f6; color: #52657c; }
.tag-blue { background: #e5efff; color: var(--blue); }
.tag-warn { background: #fff4e6; color: var(--warn); }
.tag-ok { background: #e8f7ef; color: var(--ok); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.btn-jin, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 13px 20px; font-weight: 700; border: 1px solid transparent;
  transition: .2s ease; cursor: pointer; line-height: 1.2;
}
.btn-jin { background: var(--blue); color: #fff; box-shadow: var(--shadow-soft); }
.btn-jin:hover, .btn-jin:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-2px); outline: none; }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: #c5d5ee; }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); color: var(--blue); outline: none; }
.btn-jin:active, .btn-ghost:active { transform: translateY(0); }
.hero-metrics { display: flex; gap: 18px; list-style: none; padding: 0; margin: 26px 0 0; }
.hero-metrics li { min-width: 120px; }
.hero-metrics strong { display: block; font-size: 20px; }
.hero-metrics span { color: var(--muted); font-size: 13px; }
.ba-board { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ba-pane {
  background: #fff; border: 1px solid var(--line); border-radius: 24px;
  overflow: hidden; box-shadow: var(--shadow); min-height: 100%;
}
.ba-pane img { width: 100%; height: 148px; object-fit: cover; }
.ba-body { padding: 16px 16px 18px; }
.ba-before { background: #fffaf4; }
.ba-after { background: #f5fbf7; }
.ba-list { list-style: none; padding: 0; margin: 8px 0 0; }
.ba-list li { display: flex; gap: 8px; align-items: flex-start; padding: 8px 0; border-top: 1px solid rgba(215, 227, 242, .9); font-size: 14px; }
.ba-list i { margin-top: 3px; }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-mist { background: var(--blue-mist); }
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 28px; }
.section-head h2 { font-size: 34px; max-width: 680px; }
.section-head p { color: var(--muted); max-width: 460px; margin: 0; }
.icon-pill { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; }
.hold-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; align-items: stretch; }
.hold-main, .hold-side article, .quote-card, .diff-col, .assure-card, .news-row, .guarantee-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-soft);
}
.hold-main { padding: 28px; background: linear-gradient(180deg, #fff, #f5f9ff); }
.hold-main p, .hold-side p, .diff-col p, .assure-card p { color: var(--muted); }
.hold-side { display: flex; flex-direction: column; gap: 18px; }
.hold-side article { padding: 22px; transition: .2s ease; }
.hold-side article:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.mini-note { display: flex; justify-content: space-between; gap: 12px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; }
.mini-note strong { color: var(--blue-deep); }
.rhythm-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 28px; align-items: center; }
.photo-frame { border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; }
.step-list { display: flex; flex-direction: column; }
.step-row { display: grid; grid-template-columns: 62px 1fr; gap: 8px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.step-no { font-size: 24px; font-weight: 800; color: var(--blue); }
.step-row p { color: var(--muted); margin: 0; }
.proof-wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.quote-card { padding: 28px; }
.quote-card img { width: 100%; height: 210px; object-fit: cover; border-radius: 16px; margin-bottom: 16px; }
.quote-card q { font-size: 22px; font-weight: 700; line-height: 1.45; display: block; margin-bottom: 12px; }
.quote-card span { color: var(--muted); font-weight: 600; }
.stat-stack { display: flex; flex-direction: column; gap: 14px; }
.stat-stack article { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 20px 22px; box-shadow: var(--shadow-soft); }
.stat-stack strong { display: block; font-size: 28px; color: var(--blue-deep); }
.stat-stack p { margin: 0; color: var(--muted); }
.diff-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.diff-col { padding: 26px; }
.diff-col.before { background: #fffaf5; }
.diff-col.after { background: #f4fbf7; }
.diff-list { list-style: none; padding: 0; margin: 12px 0 0; }
.diff-list li { display: flex; gap: 10px; align-items: flex-start; padding: 12px 0; border-bottom: 1px solid var(--line); }
.diff-list li:last-child { border-bottom: 0; }
.news-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 22px; align-items: start; }
.news-layout > img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; border-radius: 28px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-row { display: block; padding: 16px 18px; transition: .2s ease; }
.news-row:hover, .news-row:focus-visible { transform: translateY(-2px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.news-row strong { display: block; font-size: 18px; margin: 4px 0; }
.news-row p, .news-row time { color: var(--muted); }
.news-row time { font-size: 13px; font-weight: 600; }
.news-empty { background: #fff; border: 1px dashed #b9cef0; border-radius: 18px; padding: 22px; color: var(--muted); }
.faq-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 22px; align-items: start; }
.accordion-item { border: 1px solid var(--line) !important; border-radius: 18px !important; overflow: hidden; margin-bottom: 12px; background: #fff; box-shadow: var(--shadow-soft); }
.accordion-button {
  font-weight: 700; color: var(--ink); background: #fff; box-shadow: none; padding: 18px 20px; gap: 12px;
}
.accordion-button:not(.collapsed) { color: var(--blue-deep); background: #f3f7fd; box-shadow: none; }
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(31, 79, 154, .18); border-color: transparent; }
.accordion-body { color: var(--muted); padding: 0 20px 18px; background: #fff; }
.assure-card { padding: 24px; position: sticky; top: 124px; }
.assure-card ul { list-style: none; padding: 0; margin: 12px 0 0; }
.assure-card li { padding: 10px 0; border-top: 1px solid var(--line); font-weight: 600; }
.guarantee-card { padding: 28px; display: grid; grid-template-columns: 1fr .9fr; gap: 28px; box-shadow: var(--shadow); }
.promise-list { list-style: none; padding: 0; margin: 0; }
.promise-list li { display: grid; grid-template-columns: 36px 1fr; gap: 10px; align-items: start; padding: 12px 0; border-bottom: 1px solid var(--line); }
.promise-list i { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: #e8f7ef; color: var(--ok); }
.session-form { display: grid; gap: 12px; }
.session-form label { font-size: 13px; font-weight: 700; margin-bottom: -6px; }
.session-form input, .session-form select, .session-form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 14px; background: #f8fbff;
  color: var(--ink); padding: 12px 14px; outline: none; transition: .2s ease;
}
.session-form textarea { min-height: 96px; resize: vertical; }
.session-form input:focus, .session-form select:focus, .session-form textarea:focus {
  border-color: #8eaddd; background: #fff; box-shadow: 0 0 0 4px rgba(31, 79, 154, .12);
}
.bar-row { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.bar-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; margin-bottom: 8px; }
.case-card { display: grid; grid-template-columns: .9fr 1.1fr; background: #fff; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.case-card img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.case-body { padding: 32px; }
.channel-wall { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.channel-wall a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px; min-height: 168px; box-shadow: var(--shadow-soft); transition: .2s ease; }
.channel-wall a:hover, .channel-wall a:focus-visible { transform: translateY(-3px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.gallery { display: grid; grid-template-columns: 1.1fr .9fr; gap: 14px; }
.gallery a { position: relative; border-radius: 20px; overflow: hidden; display: block; }
.gallery a:first-child { grid-row: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
.dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: rgba(255,255,255,.96); border-top: 1px solid var(--line);
  box-shadow: 0 -10px 30px rgba(20, 53, 111, .08); backdrop-filter: blur(12px);
}
.dock-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock strong { display: block; }
.dock p { margin: 0; color: var(--muted); font-size: 14px; }
.dock-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 42px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr; gap: 24px; }
.site-footer strong { display: block; margin-bottom: 8px; }
.site-footer p { color: var(--muted); margin: 0 0 6px; }
.site-footer a:hover, .site-footer a:focus-visible { color: var(--blue); outline: none; }
.copyright { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 1024px) {
  h1 { font-size: 40px; }
  .section-head h2, h2 { font-size: 30px; }
  .hold-layout, .rhythm-grid, .proof-wrap, .news-layout, .faq-grid, .guarantee-card { grid-template-columns: 1fr; }
  .photo-frame img, .news-layout > img { height: 320px; min-height: 0; }
  .assure-card { position: static; }
}
@media (max-width: 991.98px) {
  .menu-btn { display: inline-block; }
  .nav-search { display: none; }
  .nav-top { flex-wrap: wrap; padding: 10px 0; }
  .stage-chips { order: 4; width: 100%; overflow-x: auto; padding-bottom: 8px; }
  .channel-nav.collapse:not(.show) { display: none; }
  .channel-nav.collapse.show { display: flex; flex-direction: column; align-items: flex-start; padding-bottom: 14px; }
}
@media (min-width: 992px) {
  .channel-nav { display: flex !important; }
}
@media (max-width: 768px) {
  :root { --space: 64px; }
  .ba-board, .diff-grid, .footer-grid, .hero-metrics { grid-template-columns: 1fr; display: grid; }
  .hero-metrics { gap: 10px; }
  .section-head { flex-direction: column; align-items: start; }
  .dock-inner { align-items: flex-start; padding: 12px 0; flex-direction: column; }
  .quote-card q { font-size: 20px; }
}
@media (max-width: 520px) {
  h1 { font-size: 32px; }
  h2, .section-head h2 { font-size: 26px; }
  .brand { min-width: 0; flex: 1; }
  .brand-text strong { font-size: 13px; }
  .brand-mark { width: 40px; height: 40px; font-size: 18px; }
  .hero-actions .btn-jin, .hero-actions .btn-ghost, .dock-actions .btn-jin, .dock-actions .btn-ghost { width: 100%; }
  .photo-frame img { height: 230px; }
  .ba-pane img { height: 120px; }
}

/* roulang page: category2 */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
/* roulang page: category2 */
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f7faff;
  line-height: 1.7;
  font-size: 16px;
  padding-bottom: 96px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select { font-family: inherit; }
.container { max-width: var(--max); }
h1, h2, h3 { color: var(--ink); letter-spacing: -0.03em; line-height: 1.25; }
h1 { font-size: 46px; font-weight: 800; margin: 0 0 12px; }
h2 { font-size: 34px; font-weight: 800; margin: 0; }
h3 { font-size: 20px; font-weight: 750; margin: 0 0 8px; }
p { margin: 0 0 12px; }
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(20, 53, 111, 0.05);
}
.nav-top { display: flex; align-items: center; gap: 18px; min-height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d68c4, #16386f);
  color: #fff; font-weight: 800; font-size: 22px;
  box-shadow: var(--shadow-soft);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 15px; font-weight: 800; }
.brand-text small { color: var(--muted); font-size: 12px; }
.stage-chips { display: flex; gap: 8px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 600;
  transition: .2s ease;
}
.chip:hover, .chip:focus-visible { border-color: #9db7de; background: var(--blue-soft); outline: none; }
.chip-live { background: #e8f7ef; border-color: #b7e4cb; color: var(--ok); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); display: inline-block; box-shadow: 0 0 0 4px rgba(29,122,82,.15); }
.nav-search { margin-left: auto; display: flex; align-items: center; gap: 8px; background: var(--blue-mist); border: 1px solid var(--line); border-radius: 999px; padding: 6px 8px 6px 14px; min-width: 230px; }
.nav-search input { border: 0; background: transparent; outline: none; width: 100%; color: var(--ink); }
.nav-search button { border: 0; background: var(--blue); color: #fff; width: 34px; height: 34px; border-radius: 50%; transition: .2s ease; }
.nav-search button:hover, .nav-search button:focus-visible { background: var(--blue-deep); outline: none; }
.menu-btn { display: none; margin-left: auto; border: 1px solid var(--line); background: #fff; border-radius: 12px; width: 46px; height: 46px; }
.menu-btn span { display: block; height: 2px; margin: 5px 10px; background: var(--blue-deep); }
.menu-btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.channel-nav { display: flex; gap: 6px; padding: 0 0 14px; overflow-x: auto; }
.channel-nav a {
  white-space: nowrap; padding: 8px 14px; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.channel-nav a:hover, .channel-nav a:focus-visible { color: var(--blue); background: var(--blue-soft); outline: none; }
.channel-nav a.is-active { color: #fff; background: var(--blue); box-shadow: var(--shadow-soft); }
.backup-hero {
  position: relative;
  padding: 64px 0 42px;
  background: #eef4fb url("/assets/images/df2018954f164f7f.jpg") center/cover no-repeat;
}
.backup-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(247,250,255,.95), rgba(238,245,252,.9) 58%, rgba(247,250,255,.96));
}
.backup-hero .container { position: relative; z-index: 1; }
.backup-intro { max-width: 760px; margin-bottom: 28px; }
.hero-copy { color: var(--muted); font-size: 17px; margin-bottom: 0; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700; margin-bottom: 10px; }
.tag-muted { background: #eef2f6; color: #52657c; }
.tag-blue { background: #e5efff; color: var(--blue); }
.tag-gold { background: #fff4e4; color: var(--warn); }
.tag-ok { background: #e8f7ef; color: var(--ok); }
.kicker-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.kicker-row .tag { margin-bottom: 0; }
.stage-row { display: grid; grid-template-columns: .82fr 1.25fr .82fr; gap: 16px; align-items: stretch; }
.side-points { display: flex; flex-direction: column; gap: 14px; }
.point-card, .stack-card, .news-card, .faq-item, .compare article, .metric-card {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.point-card {
  border-radius: 20px;
  padding: 16px;
  transition: .2s ease;
}
.point-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #b9cef0; }
.point-card strong { display: block; font-size: 15px; margin-bottom: 4px; }
.point-card span, .muted { color: var(--muted); }
.icon-pill { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; }
.shot-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.shot-card img { width: 100%; height: 390px; object-fit: cover; border-radius: 20px; }
.shot-meta { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 0 6px; font-size: 13px; color: var(--muted); }
.shot-meta b { color: var(--ok); font-weight: 700; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; padding: 0 6px 6px; }
.btn-jin, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 13px 20px; font-weight: 700; border: 1px solid transparent;
  transition: .2s ease; cursor: pointer;
}
.btn-jin { background: var(--blue); color: #fff; box-shadow: var(--shadow-soft); }
.btn-jin:hover, .btn-jin:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-2px); outline: none; }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: #c5d5ee; }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); color: var(--blue); outline: none; }
.btn-jin:active, .btn-ghost:active { transform: translateY(0); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-mist { background: var(--blue-mist); }
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 28px; }
.section-head h2 { max-width: 680px; }
.section-head p { color: var(--muted); max-width: 460px; margin: 0; }
.layer-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 18px; }
.layer-main {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.layer-main img { width: 100%; height: 100%; min-height: 280px; object-fit: cover; }
.layer-copy { padding: 28px; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.stack-card { border-radius: 22px; padding: 20px; }
.stack-card ol { margin: 0; padding-left: 18px; color: var(--muted); }
.stack-card li { margin: 6px 0; }
.case-card { display: grid; grid-template-columns: .9fr 1.1fr; background: #fff; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.case-card img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.case-body { padding: 32px; }
.situation-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
.situation-list article { background: var(--blue-mist); border-radius: 18px; padding: 16px 18px; border: 1px solid var(--line); }
.flow { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.step-list { display: flex; flex-direction: column; gap: 14px; }
.step-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  box-shadow: var(--shadow-soft);
}
.step-no {
  width: 52px; height: 52px; border-radius: 16px;
  background: var(--blue); color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: 18px;
}
.photo-frame { border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: #fff; }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; }
.photo-frame figcaption { padding: 14px 16px 16px; color: var(--muted); font-size: 14px; }
.compare { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.compare article { border-radius: 24px; padding: 22px; min-height: 100%; }
.compare article.is-main { border-color: #b9cef0; background: linear-gradient(180deg, #fff, #f4f8ff); box-shadow: var(--shadow); }
.compare ul { margin: 8px 0 0; padding: 0; list-style: none; }
.compare li { padding: 10px 0; border-top: 1px solid var(--line); color: var(--muted); }
.metric-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric-card { border-radius: 20px; padding: 18px; }
.metric-card b { display: block; font-size: 28px; color: var(--blue-deep); letter-spacing: -0.04em; }
.bar-row { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.bar-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; margin-bottom: 8px; }
.bar { height: 8px; background: #e6eef8; border-radius: 999px; overflow: hidden; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, #3b74c9, #1f4f9a); border-radius: 999px; }
.w-92 { width: 92%; } .w-88 { width: 88%; } .w-95 { width: 95%; } .w-90 { width: 90%; }
.quote-band { display: grid; grid-template-columns: 280px 1fr; gap: 18px; margin-top: 18px; align-items: stretch; }
.quote-band img { width: 100%; height: 100%; min-height: 220px; object-fit: cover; border-radius: 24px; }
.quote-copy { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 26px; box-shadow: var(--shadow-soft); }
.quote-copy q { display: block; font-size: 22px; line-height: 1.45; font-weight: 700; color: var(--blue-deep); }
.news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.news-card { display: block; border-radius: 20px; padding: 18px 18px 16px; transition: .2s ease; height: 100%; }
.news-card:hover, .news-card:focus-visible { transform: translateY(-3px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.news-card h3 { font-size: 18px; }
.news-card p { color: var(--muted); }
.news-card time { color: var(--blue); font-size: 13px; font-weight: 700; }
.empty-note { background: #fff; border: 1px dashed #b9cef0; border-radius: 18px; padding: 22px; color: var(--muted); }
.faq-list { display: grid; gap: 12px; }
.faq-item { border-radius: 18px; padding: 0 18px; }
.faq-item summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 8px; }
.faq-item summary::after { content: "+"; color: var(--blue); font-size: 22px; font-weight: 600; }
.faq-item[open] summary::after { content: "–"; }
.faq-item[open] { border-color: #b9cef0; box-shadow: var(--shadow); }
.faq-item p { color: var(--muted); padding-bottom: 16px; }
.assure { display: grid; grid-template-columns: 1.05fr .95fr; gap: 0; background: #fff; border-radius: 28px; border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.assure-copy { padding: 32px; }
.assure img { width: 100%; height: 100%; min-height: 280px; object-fit: cover; }
.check-list { margin: 8px 0 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; color: var(--ink); }
.check-list i { color: var(--ok); margin-top: 3px; }
.dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: rgba(255,255,255,.96);
  border-top: 1px solid var(--line);
  box-shadow: 0 -10px 28px rgba(20,53,111,.08);
  padding: 12px 0;
}
.dock-inner { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.dock strong { display: block; }
.dock p { margin: 0; color: var(--muted); font-size: 14px; }
.site-footer { background: var(--blue-deep); color: #d7e4f5; padding: 48px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.site-footer a { color: #fff; font-weight: 600; }
.site-footer a:hover, .site-footer a:focus-visible { color: #f3d7a6; outline: none; }
.site-footer p { color: #c5d4e8; margin: 0 0 8px; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); margin-top: 26px; padding-top: 16px; color: #b7c8de; font-size: 14px; }
.channel-wall a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px; min-height: 168px; box-shadow: var(--shadow-soft); transition: .2s ease; }
.channel-wall a:hover, .channel-wall a:focus-visible { transform: translateY(-3px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.gallery a { position: relative; border-radius: 20px; overflow: hidden; display: block; }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 1024px) {
  .stage-row, .layer-grid, .flow, .compare, .quote-band, .assure, .footer-grid, .case-card, .layer-main { grid-template-columns: 1fr; }
  .metric-line, .news-list, .situation-list { grid-template-columns: 1fr 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .shot-card img, .photo-frame img { height: 300px; }
  .stage-chips { display: none; }
}
@media (max-width: 991.98px) {
  .channel-nav.collapse:not(.show) { display: none; }
  .channel-nav.collapse.show { display: flex; flex-direction: column; padding-bottom: 16px; }
  .menu-btn { display: inline-block; }
  .nav-search { display: none; }
  .brand { min-width: 0; }
}
@media (max-width: 768px) {
  h1 { font-size: 34px; }
  h2 { font-size: 28px; }
  .section { padding: 64px 0; }
  .nav-top { min-height: 68px; }
  .case-body, .layer-copy, .assure-copy { padding: 22px; }
  .dock-inner { align-items: flex-start; }
}
@media (max-width: 520px) {
  h1 { font-size: 30px; }
  .section { padding: 52px 0; }
  .metric-line, .news-list, .situation-list { grid-template-columns: 1fr; }
  .shot-card img, .photo-frame img, .case-card img { height: 210px; min-height: 210px; }
  .hero-actions .btn-jin, .hero-actions .btn-ghost, .dock .btn-jin { width: 100%; }
  .dock-inner { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category5 */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
/* roulang page: category doi-soat-nap-rut */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f7faff;
  line-height: 1.7;
  font-size: 16px;
  padding-bottom: 96px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
.container { max-width: var(--max); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: 48px; line-height: 1.16; font-weight: 800; letter-spacing: -0.03em; color: var(--ink); }
h2 { font-size: 34px; line-height: 1.25; font-weight: 800; letter-spacing: -0.02em; }
h3 { font-size: 20px; line-height: 1.35; font-weight: 750; }
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(20, 53, 111, 0.05);
}
.nav-top {
  display: flex; align-items: center; gap: 18px;
  min-height: 78px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d68c4, #16386f);
  color: #fff; font-weight: 800; font-size: 22px;
  box-shadow: var(--shadow-soft);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 15px; font-weight: 800; }
.brand-text small { color: var(--muted); font-size: 12px; }
.stage-chips { display: flex; gap: 8px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 600;
  transition: .2s ease;
}
.chip:hover, .chip:focus-visible { border-color: #9db7de; background: var(--blue-soft); outline: none; }
.chip-live { background: #e8f7ef; border-color: #b7e4cb; color: var(--ok); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(29,122,82,.15); display: inline-block; }
.nav-search { margin-left: auto; display: flex; align-items: center; gap: 8px; background: var(--blue-mist); border: 1px solid var(--line); border-radius: 999px; padding: 6px 8px 6px 14px; min-width: 230px; }
.nav-search input { border: 0; background: transparent; outline: none; width: 100%; color: var(--ink); }
.nav-search button { border: 0; background: var(--blue); color: #fff; width: 34px; height: 34px; border-radius: 50%; }
.nav-search button:hover, .nav-search button:focus-visible { background: var(--blue-deep); outline: none; }
.menu-btn { display: none; margin-left: auto; border: 1px solid var(--line); background: #fff; border-radius: 12px; width: 46px; height: 46px; }
.menu-btn span { display: block; height: 2px; margin: 5px 10px; background: var(--blue-deep); }
.menu-btn:hover, .menu-btn:focus-visible { border-color: #9db7de; outline: none; }
.channel-nav { display: flex; gap: 6px; padding: 0 0 14px; overflow-x: auto; }
.channel-nav a {
  white-space: nowrap; padding: 8px 14px; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.channel-nav a:hover, .channel-nav a:focus-visible { color: var(--blue); background: var(--blue-soft); outline: none; }
.channel-nav a.is-active { color: #fff; background: var(--blue); box-shadow: var(--shadow-soft); }
.hero-stage {
  position: relative;
  padding: 72px 0 36px;
  background: #eef4fb url("/assets/images/df2018954f164f7f.jpg") center/cover no-repeat;
}
.hero-stage::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(247,250,255,.94), rgba(238,245,252,.9) 55%, rgba(247,250,255,.94));
}
.hero-stage .container { position: relative; z-index: 1; }
.hero-copy { max-width: 820px; color: var(--muted); font-size: 17px; margin-bottom: 28px; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700; margin-bottom: 10px; }
.tag-muted { background: #eef2f6; color: #52657c; }
.tag-blue { background: #e5efff; color: var(--blue); }
.tag-gold { background: #fff4e4; color: var(--warn); }
.tag-ok { background: #e8f7ef; color: var(--ok); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.btn-jin, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 13px 20px; font-weight: 700; border: 1px solid transparent;
  transition: .2s ease; cursor: pointer;
}
.btn-jin { background: var(--blue); color: #fff; box-shadow: var(--shadow-soft); }
.btn-jin:hover, .btn-jin:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-2px); outline: none; }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: #c5d5ee; }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); color: var(--blue); outline: none; }
.btn-jin:active, .btn-ghost:active { transform: translateY(0); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-mist { background: var(--blue-mist); }
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 28px; }
.section-head h2 { font-size: 34px; max-width: 680px; }
.section-head p { color: var(--muted); max-width: 460px; margin: 0; }
.icon-pill { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; }
.step-list { display: flex; flex-direction: column; gap: 14px; }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; }
.bar-row { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.bar-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; margin-bottom: 8px; }
.case-card { display: grid; grid-template-columns: .9fr 1.1fr; background: #fff; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.case-card img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.case-body { padding: 32px; }
.channel-wall a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px; min-height: 168px; box-shadow: var(--shadow-soft); transition: .2s ease; }
.channel-wall a:hover, .channel-wall a:focus-visible { transform: translateY(-3px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.channel-wall a:nth-child(1) { grid-column: span 2; background: linear-gradient(180deg, #fff, #f4f8ff); }
.gallery a { position: relative; border-radius: 20px; overflow: hidden; display: block; }
.gallery a:first-child { grid-row: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 8px; }
.badge-row span { display: inline-flex; align-items: center; gap: 6px; background: #fff; border: 1px solid var(--line); color: var(--blue-deep); border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 700; box-shadow: var(--shadow-soft); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; align-items: start; }
.apply-card, .panel, .ledger-item, .shift-card, .side-note, .faq-item, .news-card, .compare-col {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.apply-card { padding: 22px; }
.apply-card h2 { font-size: 26px; margin-bottom: 6px; }
.apply-card > p, .panel p, .case-body p, .news-card p, .faq-item p, .side-note p { color: var(--muted); }
.qualify { display: grid; gap: 10px; margin: 8px 0 16px; }
.qualify li { list-style: none; display: flex; gap: 10px; align-items: flex-start; background: var(--blue-mist); border-radius: 14px; padding: 10px 12px; font-size: 14px; }
.qualify { padding: 0; margin-left: 0; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field label { font-size: 13px; font-weight: 700; color: var(--blue-deep); }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); background: #f8fbff; border-radius: 14px;
  padding: 12px 14px; color: var(--ink); outline: none; transition: .2s ease;
}
.field textarea { min-height: 92px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: #8eafdf; box-shadow: 0 0 0 4px rgba(31,79,154,.12); background: #fff; }
.form-ok { background: #e8f7ef; color: var(--ok); border-radius: 14px; padding: 10px 12px; font-weight: 700; font-size: 14px; }
.two-col { display: grid; grid-template-columns: 1.25fr .75fr; gap: 22px; }
.ledger { display: flex; flex-direction: column; gap: 14px; }
.ledger-item { padding: 18px 18px 16px; display: grid; grid-template-columns: 72px 1fr; gap: 14px; align-items: start; transition: .2s ease; }
.ledger-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #b9cef0; }
.ledger-item strong { display: block; font-size: 18px; margin-bottom: 4px; }
.ledger-item p { margin: 0; color: var(--muted); }
.amount { font-weight: 800; color: var(--blue); font-size: 18px; }
.side-note { padding: 22px; background: linear-gradient(180deg, #fff, #f3f7fd); }
.side-note img { width: 100%; height: 210px; object-fit: cover; border-radius: 16px; margin-bottom: 14px; }
.scene-copy h2 { margin: 8px 0 12px; }
.scene-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.scene-points div { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 14px; box-shadow: var(--shadow-soft); }
.scene-points strong { display: block; }
.scene-points span { color: var(--muted); font-size: 14px; }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.flow article { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 20px; box-shadow: var(--shadow-soft); min-height: 230px; }
.flow .num { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--blue); color: #fff; font-weight: 800; margin-bottom: 14px; }
.flow p { color: var(--muted); margin-bottom: 0; }
.shift-grid { display: grid; grid-template-columns: 280px 1fr; gap: 22px; }
.stat-stack { display: grid; gap: 12px; }
.stat-stack article { background: #fff; border-radius: 20px; border: 1px solid var(--line); padding: 16px 18px; box-shadow: var(--shadow-soft); }
.stat-stack b { display: block; font-size: 28px; color: var(--blue-deep); line-height: 1.1; }
.stat-stack span { color: var(--muted); font-size: 14px; }
.shift-card { padding: 18px 20px; display: grid; grid-template-columns: 120px 1fr auto; gap: 12px; align-items: center; }
.shift-card + .shift-card { margin-top: 12px; }
.shift-card em { font-style: normal; color: var(--gold); font-weight: 800; font-size: 13px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-col { padding: 26px; }
.compare-col.in { background: #14356f; color: #fff; border-color: #14356f; box-shadow: var(--shadow); }
.compare-col.in p, .compare-col.in li { color: rgba(255,255,255,.84); }
.compare-col ul, .plain-list { margin: 0; padding-left: 18px; }
.compare-col li, .plain-list li { margin: 8px 0; }
.news-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 22px; align-items: start; }
.news-layout img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; border-radius: 28px; }
.news-feed { display: flex; flex-direction: column; gap: 12px; }
.news-card a { display: block; padding: 18px 20px; }
.news-card { transition: .2s ease; }
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.news-card h3 { font-size: 18px; margin: 6px 0; }
.news-card time { color: var(--blue); font-size: 13px; font-weight: 700; }
.empty-note { background: #fff; border: 1px dashed #b9cef0; border-radius: 18px; padding: 22px; color: var(--muted); }
.more-link { margin-top: 14px; }
.faq-wrap { display: grid; grid-template-columns: 1.2fr .8fr; gap: 22px; }
.faq-item { padding: 0 18px; margin-bottom: 12px; }
.faq-item summary { cursor: pointer; font-weight: 750; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:focus-visible { outline: 2px solid #8eafdf; outline-offset: 3px; }
.faq-item summary::after { content: "+"; color: var(--blue); font-size: 22px; font-weight: 700; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding-bottom: 14px; }
.promise { padding: 24px; background: linear-gradient(180deg, #ffffff, #eef5ff); }
.promise li { margin: 10px 0; }
.site-footer { background: #10284d; color: rgba(255,255,255,.86); padding: 42px 0 28px; }
.site-footer a { color: #fff; }
.site-footer a:hover, .site-footer a:focus-visible { color: #d7e6ff; outline: none; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .9fr; gap: 24px; }
.footer-grid p { margin: 0 0 8px; color: rgba(255,255,255,.74); }
.copyright { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.68); font-size: 14px; }
.dock { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; background: rgba(255,255,255,.96); border-top: 1px solid var(--line); box-shadow: 0 -10px 30px rgba(20,53,111,.08); padding: 12px 0; }
.dock-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock-row strong { display: block; }
.dock-row span { color: var(--muted); font-size: 14px; }
@media (max-width: 1024px) {
  h1 { font-size: 40px; }
  .hero-grid, .two-col, .shift-grid, .news-layout, .faq-wrap, .case-card { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .case-card img, .news-layout img, .photo-frame img { height: 280px; min-height: 0; }
  .stage-chips { display: none; }
}
@media (max-width: 991.98px) {
  .menu-btn { display: inline-block; }
  .nav-search { display: none; }
  .brand { min-width: 0; }
  .channel-nav.collapse:not(.show) { display: none; }
  .channel-nav.collapse.show { display: flex; flex-direction: column; padding-bottom: 16px; }
  .channel-nav a { white-space: normal; }
}
@media (max-width: 768px) {
  :root { --space: 64px; }
  .section-head, .dock-row, .shift-card, .ledger-item { display: flex; flex-direction: column; align-items: flex-start; }
  .footer-grid, .compare, .scene-points, .flow { grid-template-columns: 1fr; }
  .nav-top { min-height: 68px; }
  h1 { font-size: 34px; }
  h2, .section-head h2 { font-size: 28px; }
}
@media (max-width: 520px) {
  body { font-size: 15px; }
  h1 { font-size: 30px; }
  .hero-stage { padding: 42px 0 20px; }
  .apply-card, .case-body, .compare-col { padding: 16px; }
  .btn-jin, .btn-ghost { width: 100%; }
  .brand-text strong { font-size: 13px; }
  .dock-row .btn-jin { width: auto; }
}

/* roulang page: category4 */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
/* roulang page: index */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f7faff;
  line-height: 1.7;
  font-size: 16px;
  padding-bottom: 96px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select { font-family: inherit; }
.container { max-width: var(--max); }
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(20, 53, 111, 0.05);
}
.nav-top {
  display: flex; align-items: center; gap: 18px;
  min-height: 78px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d68c4, #16386f);
  color: #fff; font-weight: 800; font-size: 22px;
  box-shadow: var(--shadow-soft);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 15px; font-weight: 800; }
.brand-text small { color: var(--muted); font-size: 12px; }
.stage-chips { display: flex; gap: 8px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 600;
  transition: .2s ease;
}
.chip:hover, .chip:focus-visible { border-color: #9db7de; background: var(--blue-soft); outline: none; }
.chip-live { background: #e8f7ef; border-color: #b7e4cb; color: var(--ok); }
.live-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--ok);
  box-shadow: 0 0 0 4px rgba(29, 122, 82, .15); display: inline-block;
}
.nav-search { margin-left: auto; display: flex; align-items: center; gap: 8px; background: var(--blue-mist); border: 1px solid var(--line); border-radius: 999px; padding: 6px 8px 6px 14px; min-width: 230px; }
.nav-search input { border: 0; background: transparent; outline: none; width: 100%; color: var(--ink); }
.nav-search button { border: 0; background: var(--blue); color: #fff; width: 34px; height: 34px; border-radius: 50%; }
.menu-btn { display: none; margin-left: auto; border: 1px solid var(--line); background: #fff; border-radius: 12px; width: 46px; height: 46px; }
.menu-btn span { display: block; height: 2px; margin: 5px 10px; background: var(--blue-deep); }
.channel-nav { display: flex; gap: 6px; padding: 0 0 14px; overflow-x: auto; }
.channel-nav a {
  white-space: nowrap; padding: 8px 14px; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.channel-nav a:hover, .channel-nav a:focus-visible { color: var(--blue); background: var(--blue-soft); outline: none; }
.channel-nav a.is-active { color: #fff; background: var(--blue); box-shadow: var(--shadow-soft); }
.hero-stage {
  position: relative;
  padding: 72px 0 36px;
  background: #eef4fb url("/assets/images/1ffd637e14b0f365.jpg") center/cover no-repeat;
}
.hero-stage::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(247,250,255,.94), rgba(238,245,252,.9) 55%, rgba(247,250,255,.94));
}
.hero-stage .container { position: relative; z-index: 1; }
.hero-copy { max-width: 820px; color: var(--muted); font-size: 17px; margin-bottom: 28px; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700; margin-bottom: 10px; }
.tag-muted { background: #eef2f6; color: #52657c; }
.tag-blue { background: #e5efff; color: var(--blue); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.btn-jin, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 13px 20px; font-weight: 700; border: 1px solid transparent;
  transition: .2s ease; cursor: pointer;
}
.btn-jin { background: var(--blue); color: #fff; box-shadow: var(--shadow-soft); }
.btn-jin:hover, .btn-jin:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-2px); outline: none; }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: #c5d5ee; }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); color: var(--blue); outline: none; }
.btn-jin:active, .btn-ghost:active { transform: translateY(0); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-mist { background: var(--blue-mist); }
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 28px; }
.section-head h2 { font-size: 34px; max-width: 680px; }
.section-head p { color: var(--muted); max-width: 460px; margin: 0; }
.icon-pill { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; }
.step-list { display: flex; flex-direction: column; gap: 14px; }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; }
.bar-row { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.bar-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; margin-bottom: 8px; }
.case-card { display: grid; grid-template-columns: .9fr 1.1fr; background: #fff; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.case-card img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.case-body { padding: 32px; }
.channel-wall a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px; min-height: 168px; box-shadow: var(--shadow-soft); transition: .2s ease; }
.channel-wall a:hover, .channel-wall a:focus-visible { transform: translateY(-3px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.channel-wall a:nth-child(1) { grid-column: span 2; background: linear-gradient(180deg, #fff, #f4f8ff); }
.gallery a { position: relative; border-radius: 20px; overflow: hidden; display: block; }
.gallery a:first-child { grid-row: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
h1, h2, h3 { color: var(--blue-deep); letter-spacing: -0.02em; }
h1 { font-size: 52px; line-height: 1.12; font-weight: 800; margin: 0 0 14px; }
h2 { font-size: 34px; line-height: 1.25; font-weight: 800; margin: 0 0 12px; }
h3 { font-size: 20px; font-weight: 700; margin: 0 0 8px; }
p { margin: 0 0 12px; }
.mobile-hero { position: relative; background: #e7eef8; }
.video-mask { position: relative; min-height: 700px; overflow: hidden; }
.video-mask .poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.video-shade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(247,250,255,.96) 0%, rgba(247,250,255,.9) 46%, rgba(232,241,252,.72) 100%);
}
.video-layout {
  position: relative; z-index: 1; min-height: 700px;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center;
  padding: 56px 0;
}
.video-copy p { color: var(--muted); font-size: 17px; max-width: 620px; }
.session-panel {
  background: rgba(255,255,255,.94);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 22px;
}
.session-top { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 8px; }
.session-panel h2 { font-size: 26px; }
.status-list { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.status-list li {
  display: flex; justify-content: space-between; gap: 12px;
  background: var(--blue-mist); border-radius: 14px; padding: 12px 14px; font-weight: 600;
}
.status-list b { color: var(--ok); font-weight: 700; }
.play-row { display: flex; align-items: center; gap: 14px; margin-top: 18px; }
.play-fab {
  width: 74px; height: 74px; border: 0; border-radius: 50%;
  background: var(--blue); color: #fff; font-size: 32px;
  display: grid; place-items: center; box-shadow: 0 12px 30px rgba(31,79,154,.28);
  transition: .2s ease; cursor: pointer;
}
.play-fab:hover, .play-fab:focus-visible { background: var(--blue-deep); transform: scale(1.04); outline: none; }
.play-row small { display: block; color: var(--muted); }
.play-row strong { color: var(--blue-deep); }
.strength { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
.strength-side { display: grid; gap: 18px; }
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-soft); padding: 24px;
}
.panel-lead {
  background:
    linear-gradient(180deg, rgba(255,255,255,.94), rgba(244,248,252,.92)),
    url("/assets/images/2087bfbfb82d7dfb.webp") center/cover no-repeat;
  min-height: 100%;
}
.lift { transition: .2s ease; }
.lift:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.scene { display: grid; grid-template-columns: .92fr 1.08fr; gap: 32px; align-items: center; }
.scene-photo { border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.scene-photo img { width: 100%; height: 460px; object-fit: cover; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 22px; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px;
  box-shadow: var(--shadow-soft);
}
.num {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue); color: #fff; font-weight: 800; margin-bottom: 10px;
}
.proof-grid { display: grid; grid-template-columns: 300px 1fr; gap: 22px; }
.proof-photo { border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); height: 100%; }
.proof-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 14px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; }
.stat b { display: block; font-size: 30px; color: var(--blue); line-height: 1.1; }
.stat span { color: var(--muted); font-size: 14px; }
.quote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.quote { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 20px; box-shadow: var(--shadow-soft); }
.quote p { font-size: 17px; color: var(--ink); }
.quote span { color: var(--muted); font-size: 14px; font-weight: 600; }
.compare { display: grid; grid-template-columns: 1.05fr .95fr; gap: 18px; }
.compare article { border-radius: 28px; padding: 28px; border: 1px solid var(--line); }
.compare .yes { background: #fff; box-shadow: var(--shadow); }
.compare .no { background: #f8fbff; }
.compare ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.compare li { display: flex; gap: 10px; align-items: flex-start; }
.compare i { color: var(--blue); margin-top: 3px; }
.compare .no i { color: var(--warn); }
.news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.news-card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: 22px;
  padding: 20px; box-shadow: var(--shadow-soft); height: 100%; transition: .2s ease;
}
.news-card:hover, .news-card:focus-visible { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #b9cef0; outline: none; }
.news-card time, .news-empty { color: var(--muted); }
.news-empty {
  grid-column: 1 / -1; background: #fff; border: 1px dashed var(--line); border-radius: 18px; padding: 22px;
}
.faq-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 28px; align-items: start; }
.faq-acc .accordion-item { border: 1px solid var(--line); border-radius: 16px !important; overflow: hidden; margin-bottom: 12px; background: #fff; }
.faq-acc .accordion-button {
  font-weight: 700; color: var(--blue-deep); background: #fff; box-shadow: none; padding: 16px 18px;
}
.faq-acc .accordion-button:not(.collapsed) { background: var(--blue-soft); color: var(--blue-deep); }
.faq-acc .accordion-button:focus { box-shadow: 0 0 0 3px rgba(31,79,154,.18); border-color: transparent; }
.faq-acc .accordion-body { color: var(--muted); }
.assure { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.assure article { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px; box-shadow: var(--shadow-soft); }
.assure i { color: var(--gold); font-size: 22px; }
.close-row {
  margin-top: 22px; display: flex; justify-content: space-between; gap: 18px; align-items: center;
  background: #fff; border-radius: 24px; padding: 18px 20px; border: 1px solid var(--line);
}
.site-footer { background: #14356f; color: #d7e4f5; padding: 48px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.site-footer strong { color: #fff; display: block; margin-bottom: 8px; }
.site-footer a { color: #fff; }
.site-footer a:hover { color: #d6e6ff; }
.site-footer p { color: #c5d4ea; margin: 0 0 8px; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); margin-top: 28px; padding-top: 16px; color: #b7c8e2; font-size: 14px; }
.dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: rgba(255,255,255,.96); border-top: 1px solid var(--line);
  box-shadow: 0 -10px 30px rgba(20,53,111,.08); backdrop-filter: blur(12px);
}
.dock-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock strong { display: block; color: var(--blue-deep); }
.dock span { color: var(--muted); font-size: 14px; }
.modal-content { border: 0; border-radius: 24px; overflow: hidden; }
.modal-body { padding: 0; }
.modal-photo { position: relative; }
.modal-photo img { width: 100%; height: 230px; object-fit: cover; }
.modal-copy { padding: 22px; }
.modal-copy li { margin-bottom: 8px; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid rgba(31,79,154,.28); outline-offset: 2px; }
@media (max-width: 1100px) {
  .nav-search { display: none; }
}
@media (max-width: 1024px) {
  h1 { font-size: 42px; }
  .video-layout, .strength, .scene, .proof-grid, .compare, .faq-layout { grid-template-columns: 1fr; }
  .steps, .assure { grid-template-columns: 1fr 1fr; }
  .video-mask, .video-layout { min-height: 0; }
  .scene-photo img { height: 320px; }
}
@media (max-width: 991.98px) {
  .menu-btn { display: inline-block; }
  .stage-chips { display: none; }
  .brand { min-width: 0; }
  .channel-nav.collapse.show { display: flex !important; flex-direction: column; padding-bottom: 16px; }
  .channel-nav.collapse.show a { width: 100%; }
}
@media (max-width: 768px) {
  :root { --space: 56px; }
  .section-head, .close-row, .dock-inner, .footer-grid, .quote-grid, .stat-row { grid-template-columns: 1fr; display: grid; }
  .section-head, .close-row, .dock-inner { display: flex; flex-direction: column; align-items: flex-start; }
  .news-list { grid-template-columns: 1fr; }
  h1 { font-size: 36px; }
  h2, .section-head h2 { font-size: 28px; }
}
@media (max-width: 520px) {
  .steps, .assure, .footer-grid { grid-template-columns: 1fr; }
  h1 { font-size: 31px; }
  .brand-text strong { font-size: 13px; }
  .play-fab { width: 62px; height: 62px; }
  .hero-actions .btn-jin, .hero-actions .btn-ghost, .dock .btn-jin { width: 100%; }
  .status-list li { flex-direction: column; }
}

/* roulang page: category6 */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f7faff;
  line-height: 1.7;
  font-size: 16px;
  padding-bottom: 96px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select { font-family: inherit; }
h1, h2, h3 { font-weight: 800; line-height: 1.22; color: var(--ink); margin: 0; }
h1 { font-size: 50px; letter-spacing: -0.035em; }
h2 { font-size: 34px; letter-spacing: -0.025em; }
h3 { font-size: 20px; }
p { margin: 0; }
.container { max-width: var(--max); }
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(20, 53, 111, 0.05);
}
.nav-top { display: flex; align-items: center; gap: 18px; min-height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d68c4, #16386f);
  color: #fff; font-weight: 800; font-size: 22px;
  box-shadow: var(--shadow-soft); flex: 0 0 auto;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 15px; font-weight: 800; }
.brand-text small { color: var(--muted); font-size: 12px; }
.stage-chips { display: flex; gap: 8px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 600;
  transition: .2s ease;
}
.chip:hover, .chip:focus-visible { border-color: #9db7de; background: var(--blue-soft); outline: none; }
.chip-live { background: #e8f7ef; border-color: #b7e4cb; color: var(--ok); }
.live-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--ok); box-shadow: 0 0 0 0 rgba(29,122,82,.55); animation: pulse 1.6s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 6px rgba(29,122,82,0); }
  100% { box-shadow: 0 0 0 0 rgba(29,122,82,0); }
}
.nav-search {
  margin-left: auto; display: flex; align-items: center; gap: 8px;
  background: var(--blue-mist); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 8px 6px 14px; min-width: 230px;
}
.nav-search:focus-within { border-color: #9db7de; box-shadow: 0 0 0 4px rgba(31,79,154,.12); }
.nav-search input { border: 0; background: transparent; outline: none; width: 100%; color: var(--ink); }
.nav-search button { border: 0; background: var(--blue); color: #fff; width: 34px; height: 34px; border-radius: 50%; }
.nav-search button:hover, .nav-search button:focus-visible { background: var(--blue-deep); outline: none; }
.menu-btn { display: none; margin-left: auto; border: 1px solid var(--line); background: #fff; border-radius: 12px; width: 46px; height: 46px; }
.menu-btn span { display: block; height: 2px; margin: 5px 10px; background: var(--blue-deep); }
.menu-btn:focus-visible { outline: 3px solid rgba(31,79,154,.35); }
.channel-nav { display: flex; gap: 6px; padding: 0 0 14px; overflow-x: auto; }
.channel-nav a {
  white-space: nowrap; padding: 8px 14px; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: 14px; border: 1px solid transparent;
}
.channel-nav a:hover, .channel-nav a:focus-visible { color: var(--blue); background: var(--blue-soft); outline: none; }
.channel-nav a.is-active { color: #fff; background: var(--blue); box-shadow: var(--shadow-soft); }
.offer-hero {
  position: relative;
  padding: 68px 0 58px;
  background: #10284d url("/assets/images/2087bfbfb82d7dfb.webp") center/cover no-repeat;
  overflow: hidden;
}
.offer-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(9, 27, 56, .94) 8%, rgba(16, 42, 84, .86) 52%, rgba(12, 32, 64, .7) 100%);
}
.offer-hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 42px; align-items: center; }
.crumb { display: flex; gap: 8px; align-items: center; color: #c9d8ee; font-size: 13px; margin-bottom: 18px; }
.crumb a { color: #fff; font-weight: 700; }
.crumb a:hover, .crumb a:focus-visible { color: #f3d7a4; outline: none; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--gold); font-weight: 800; font-size: 13px; margin-bottom: 10px;
}
.offer-hero .kicker { color: #f3d7a4; }
.offer-hero h1 { color: #fff; max-width: 640px; }
.hero-lead { color: #d5e3f6; font-size: 17px; max-width: 620px; margin-top: 16px; }
.heat-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700; }
.tag-muted { background: #eef2f6; color: #52657c; }
.tag-blue { background: #e5efff; color: var(--blue); }
.tag-gold { background: rgba(255, 214, 150, .16); color: #ffd59a; border: 1px solid rgba(255, 213, 154, .35); }
.tag-ok { background: rgba(190, 242, 214, .16); color: #b7f0d0; border: 1px solid rgba(183, 240, 208, .3); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.btn-jin, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 13px 20px; font-weight: 700; border: 1px solid transparent;
  transition: .2s ease; cursor: pointer;
}
.btn-jin { background: var(--blue); color: #fff; box-shadow: var(--shadow-soft); }
.btn-jin:hover, .btn-jin:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-2px); outline: none; }
.offer-hero .btn-jin { background: #e8b15a; color: #1d2b12; }
.offer-hero .btn-jin:hover, .offer-hero .btn-jin:focus-visible { background: #f3c888; color: #1d2b12; }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: #c5d5ee; }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); color: var(--blue); outline: none; }
.offer-hero .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.offer-hero .btn-ghost:hover, .offer-hero .btn-ghost:focus-visible { background: rgba(255,255,255,.08); color: #fff; }
.btn-jin:active, .btn-ghost:active { transform: translateY(0); }
.poster-card {
  position: relative; border-radius: 30px; overflow: hidden;
  min-height: 460px; box-shadow: 0 24px 60px rgba(0,0,0,.28);
  border: 1px solid rgba(255,255,255,.18);
}
.poster-card img { width: 100%; height: 460px; object-fit: cover; }
.heat-badge {
  position: absolute; top: 16px; left: 16px;
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--warn); border-radius: 999px;
  padding: 8px 12px; font-weight: 800; font-size: 13px; box-shadow: var(--shadow);
}
.heat-badge i { color: #d4532b; }
.poster-meta {
  position: absolute; left: 16px; right: 16px; bottom: 16px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}
.poster-meta span {
  background: rgba(10, 26, 52, .78); color: #fff; border-radius: 16px;
  padding: 12px; backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.12);
}
.poster-meta strong { display: block; font-size: 16px; }
.poster-meta small { color: #d5e2f4; font-size: 12px; }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-mist { background: var(--blue-mist); }
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 28px; }
.section-head h2 { max-width: 680px; }
.section-head p { color: var(--muted); max-width: 460px; }
.icon-pill {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; font-size: 18px;
}
.point-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
.point-main, .point-item, .quote-card, .compare-col, .side-note, .guarantee-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-soft);
}
.point-main { padding: 32px; background: linear-gradient(180deg, #fff, #f3f8ff); min-height: 100%; }
.point-main p, .point-item p, .time-item p, .quote-card p, .compare-col p, .side-note p, .guarantee-item p { color: var(--muted); margin-top: 8px; }
.num {
  width: 46px; height: 46px; border-radius: 16px; display: grid; place-items: center;
  background: var(--blue); color: #fff; font-weight: 800; margin-bottom: 18px;
}
.point-side { display: flex; flex-direction: column; gap: 18px; }
.point-item { padding: 22px; transition: .2s ease; }
.point-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #b9cef0; }
.scenario-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 28px; align-items: center; }
.scene-photo { margin: 0; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: #fff; }
.scene-photo img { width: 100%; height: 460px; object-fit: cover; }
.scene-photo figcaption { padding: 14px 16px 16px; color: var(--muted); font-size: 14px; }
.timeline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.time-item {
  display: grid; grid-template-columns: 92px 1fr; gap: 14px;
  background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 16px 16px 16px 14px;
  box-shadow: var(--shadow-soft);
}
.time-item b {
  display: inline-flex; align-items: center; justify-content: center; height: 36px;
  border-radius: 999px; background: var(--blue-soft); color: var(--blue-deep); font-size: 13px;
}
.proof-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: stretch; }
.proof-photo { position: relative; border-radius: 28px; overflow: hidden; min-height: 360px; box-shadow: var(--shadow); }
.proof-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
.proof-photo em {
  position: absolute; left: 16px; bottom: 16px; font-style: normal;
  background: rgba(255,255,255,.94); color: var(--blue-deep); border-radius: 999px;
  padding: 8px 12px; font-weight: 800; font-size: 13px;
}
.quote-stack { display: flex; flex-direction: column; gap: 14px; }
.quote-card { padding: 20px 22px; }
.quote-card strong { display: block; margin-top: 12px; font-size: 14px; }
.quote-card span { color: var(--muted); font-size: 13px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.stat-box { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.stat-box b { display: block; color: var(--blue); font-size: 22px; }
.stat-box span { color: var(--muted); font-size: 14px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-col { padding: 28px; }
.compare-col.is-main { background: linear-gradient(180deg, #17386f, #1f4f9a); color: #fff; border-color: transparent; box-shadow: var(--shadow); }
.compare-col.is-main h3, .compare-col.is-main p { color: #fff; }
.compare-col.is-main p { color: #d6e4f8; }
.check-list { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; }
.check-list i { color: var(--ok); margin-top: 3px; }
.compare-col.is-main .check-list i { color: #f3d7a4; }
.compare-col.is-muted { background: #f8fbfe; }
.compare-col.is-muted .check-list i { color: var(--warn); }
.news-board { display: flex; flex-direction: column; gap: 14px; }
.news-row a {
  display: grid; grid-template-columns: 220px 1fr; gap: 0;
  background: #fff; border: 1px solid var(--line); border-radius: 22px; overflow: hidden;
  box-shadow: var(--shadow-soft); transition: .2s ease;
}
.news-row a:hover, .news-row a:focus-visible { transform: translateY(-3px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.news-row img { width: 100%; height: 160px; object-fit: cover; }
.news-copy { padding: 18px 20px; }
.news-copy h3 { font-size: 20px; margin: 8px 0; }
.news-copy p { color: var(--muted); }
.news-copy time { display: inline-block; margin-top: 10px; color: var(--blue); font-size: 13px; font-weight: 700; }
.empty-note {
  background: #fff; border: 1px dashed #b9cef0; border-radius: 18px; padding: 22px; color: var(--muted);
}
.text-more { display: inline-flex; align-items: center; gap: 6px; color: var(--blue); font-weight: 800; white-space: nowrap; }
.text-more:hover, .text-more:focus-visible { color: var(--blue-deep); outline: none; }
.faq-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 22px; align-items: start; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 18px; box-shadow: var(--shadow-soft); }
.faq-item summary { cursor: pointer; font-weight: 800; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--blue); font-size: 22px; line-height: 1; }
.faq-item[open] summary::after { content: "–"; }
.faq-item summary:focus-visible { outline: none; color: var(--blue); }
.faq-item[open] { border-color: #b9cef0; }
.faq-item p { color: var(--muted); padding-bottom: 16px; }
.side-note { padding: 24px; position: sticky; top: 110px; }
.side-note img { width: 100%; height: 150px; object-fit: cover; border-radius: 16px; margin-bottom: 14px; }
.guarantee { background: #12356d; padding: 34px 0; }
.guarantee-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.guarantee-item { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.12); color: #fff; padding: 20px; box-shadow: none; }
.guarantee-item h3, .guarantee-item .icon-pill { color: #fff; }
.guarantee-item .icon-pill { background: rgba(255,255,255,.12); }
.guarantee-item p { color: #d5e3f6; }
.dock-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: rgba(255,255,255,.96); border-top: 1px solid var(--line);
  box-shadow: 0 -10px 30px rgba(20,53,111,.08); backdrop-filter: blur(12px);
}
.dock-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock-inner strong { display: block; }
.dock-inner p { color: var(--muted); font-size: 14px; }
.site-footer { background: #10284d; color: #d5e4f7; padding: 48px 0 28px; }
.site-footer a { color: #fff; font-weight: 600; }
.site-footer a:hover, .site-footer a:focus-visible { color: #ffd59a; outline: none; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.site-footer p { color: #c5d6ec; margin-top: 8px; }
.copyright { margin-top: 26px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); color: #b7c9e2; font-size: 14px; }
@media (max-width: 1024px) {
  :root { --space: 68px; }
  h1 { font-size: 42px; }
  .hero-grid, .point-grid, .scenario-grid, .proof-wrap, .compare-grid, .faq-grid, .footer-grid { grid-template-columns: 1fr; }
  .scene-photo img, .poster-card, .poster-card img { height: 340px; min-height: 0; }
  .side-note { position: static; }
  .stage-chips { display: none; }
}
@media (max-width: 768px) {
  body { padding-bottom: 132px; }
  .menu-btn { display: inline-block; }
  .nav-search { display: none; }
  .brand { min-width: 0; }
  .nav-top { min-height: 70px; }
  .channel-nav.collapse:not(.show) { display: none; }
  .channel-nav.collapse.show { display: flex; flex-direction: column; align-items: flex-start; padding-bottom: 14px; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-head h2, h2 { font-size: 28px; }
  .poster-meta, .stat-row, .guarantee-grid, .time-item { grid-template-columns: 1fr; }
  .news-row a { grid-template-columns: 1fr; }
  .news-row img { height: 200px; }
  .dock-inner { flex-direction: column; align-items: stretch; padding: 12px 0; }
  .dock-inner .btn-jin { width: 100%; }
}
@media (min-width: 992px) {
  .channel-nav { display: flex !important; }
}
@media (max-width: 520px) {
  h1 { font-size: 34px; }
  .brand-text small { display: none; }
  .hero-actions .btn-jin, .hero-actions .btn-ghost { width: 100%; }
  .offer-hero { padding: 42px 0 36px; }
  .poster-card img, .scene-photo img { height: 230px; }
  .point-main, .compare-col { padding: 20px; }
}

/* roulang page: category7 */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
/* roulang page: index */
:root {
  --blue: #1f4f9a;
  --blue-deep: #14356f;
  --blue-soft: #e7f0fb;
  --blue-mist: #f4f8fc;
  --ink: #17304d;
  --muted: #5d6e84;
  --line: #d7e3f2;
  --card: #ffffff;
  --gold: #c98a2c;
  --ok: #1d7a52;
  --warn: #9a5b12;
  --radius: 22px;
  --shadow: 0 18px 46px rgba(24, 62, 122, 0.1);
  --shadow-soft: 0 8px 24px rgba(24, 62, 122, 0.07);
  --space: 88px;
  --max: 1160px;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f7faff;
  line-height: 1.7;
  font-size: 16px;
  padding-bottom: 96px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, h4 { line-height: 1.25; color: var(--ink); font-weight: 800; margin: 0 0 12px; }
h1 { font-size: 46px; letter-spacing: -0.03em; }
h2 { font-size: 34px; letter-spacing: -0.02em; }
h3 { font-size: 20px; }
p { margin: 0 0 12px; }
.container { max-width: var(--max); }
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(20, 53, 111, 0.05);
}
.nav-top {
  display: flex; align-items: center; gap: 18px;
  min-height: 78px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d68c4, #16386f);
  color: #fff; font-weight: 800; font-size: 22px;
  box-shadow: var(--shadow-soft);
  flex: 0 0 auto;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 15px; font-weight: 800; }
.brand-text small { color: var(--muted); font-size: 12px; }
.stage-chips { display: flex; gap: 8px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 600;
  transition: .2s ease;
}
.chip:hover, .chip:focus-visible { border-color: #9db7de; background: var(--blue-soft); outline: none; }
.chip-live { background: #e8f7ef; border-color: #b7e4cb; color: var(--ok); }
.live-dot {
  width: 8px; height: 8px; border-radius: 50%; background: #1d7a52; display: inline-block;
  box-shadow: 0 0 0 0 rgba(29,122,82,.55);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 7px rgba(29,122,82,0); }
  100% { box-shadow: 0 0 0 0 rgba(29,122,82,0); }
}
.nav-search { margin-left: auto; display: flex; align-items: center; gap: 8px; background: var(--blue-mist); border: 1px solid var(--line); border-radius: 999px; padding: 6px 8px 6px 14px; min-width: 230px; }
.nav-search input { border: 0; background: transparent; outline: none; width: 100%; color: var(--ink); }
.nav-search button { border: 0; background: var(--blue); color: #fff; width: 34px; height: 34px; border-radius: 50%; transition: .2s ease; }
.nav-search button:hover, .nav-search button:focus-visible { background: var(--blue-deep); outline: none; }
.menu-btn {
  display: none; margin-left: auto; border: 1px solid var(--line); background: #fff;
  border-radius: 12px; width: 46px; height: 46px; flex-direction: column; justify-content: center;
}
.menu-btn span { display: block; height: 2px; margin: 5px 10px; background: var(--blue-deep); }
.channel-nav { display: flex; gap: 6px; padding: 0 0 14px; overflow-x: auto; }
.channel-nav a {
  white-space: nowrap; padding: 8px 14px; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.channel-nav a:hover, .channel-nav a:focus-visible { color: var(--blue); background: var(--blue-soft); outline: none; }
.channel-nav a.is-active { color: #fff; background: var(--blue); box-shadow: var(--shadow-soft); }
.hero-stage {
  position: relative;
  padding: 72px 0 36px;
  background: #eef4fb url("/assets/images/1ffd637e14b0f365.jpg") center/cover no-repeat;
}
.hero-stage::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(247,250,255,.94), rgba(238,245,252,.9) 55%, rgba(247,250,255,.94));
}
.hero-stage .container { position: relative; z-index: 1; }
.hero-copy { max-width: 820px; color: var(--muted); font-size: 17px; margin-bottom: 28px; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700; margin-bottom: 10px; }
.tag-muted { background: #eef2f6; color: #52657c; }
.tag-blue { background: #e5efff; color: var(--blue); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.btn-jin, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 13px 20px; font-weight: 700; border: 1px solid transparent;
  transition: .2s ease; cursor: pointer;
}
.btn-jin { background: var(--blue); color: #fff; box-shadow: var(--shadow-soft); }
.btn-jin:hover, .btn-jin:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-2px); outline: none; }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: #c5d5ee; }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); color: var(--blue); outline: none; }
.btn-jin:active, .btn-ghost:active { transform: translateY(0); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-mist { background: var(--blue-mist); }
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 28px; }
.section-head h2 { font-size: 34px; max-width: 680px; }
.section-head p { color: var(--muted); max-width: 460px; margin: 0; }
.icon-pill { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; }
.step-list { display: flex; flex-direction: column; gap: 14px; }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; }
.bar-row { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.bar-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; margin-bottom: 8px; }
.case-card { display: grid; grid-template-columns: .9fr 1.1fr; background: #fff; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.case-card img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.case-body { padding: 32px; }
.channel-wall a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px; min-height: 168px; box-shadow: var(--shadow-soft); transition: .2s ease; }
.channel-wall a:hover, .channel-wall a:focus-visible { transform: translateY(-3px); border-color: #b9cef0; box-shadow: var(--shadow); outline: none; }
.channel-wall a:nth-child(1) { grid-column: span 2; background: linear-gradient(180deg, #fff, #f4f8ff); }
.gallery a { position: relative; border-radius: 20px; overflow: hidden; display: block; }
.gallery a:first-child { grid-row: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
.desk-hero {
  position: relative;
  padding: 54px 0 36px;
  background: #eef4fb url("/assets/images/2087bfbfb82d7dfb.webp") center/cover no-repeat;
}
.desk-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(247,250,255,.97) 0%, rgba(247,250,255,.94) 46%, rgba(238,245,252,.82) 100%);
}
.desk-hero .container { position: relative; z-index: 1; }
.crumb { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.crumb a { color: var(--blue); }
.crumb a:hover { color: var(--blue-deep); }
.desk-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 34px; align-items: center; }
.lead { color: var(--muted); font-size: 18px; max-width: 620px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.stat-box {
  background: rgba(255,255,255,.88);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 14px 12px;
  box-shadow: var(--shadow-soft);
}
.stat-box strong { display: block; font-size: 22px; color: var(--blue-deep); letter-spacing: -0.03em; }
.stat-box span { color: var(--muted); font-size: 13px; }
.desk-photo { position: relative; }
.desk-photo img {
  width: 100%; height: 460px; object-fit: cover; border-radius: 28px;
  border: 1px solid #fff; box-shadow: var(--shadow);
}
.session-card {
  position: absolute; left: 18px; right: 18px; bottom: 18px;
  background: rgba(255,255,255,.95);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.session-card small { color: var(--ok); font-weight: 700; letter-spacing: .02em; }
.session-line { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-top: 1px solid var(--line); font-size: 14px; }
.session-line:first-of-type { border-top: 0; }
.session-line b { font-weight: 700; }
.ready-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
.ready-main, .side-card, .scene-row, .compare-col, .note-row, .promise-card, .ticket-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.ready-main { padding: 28px; background: linear-gradient(180deg, #fff, #f5f9ff); }
.ready-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.ready-points article { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px; }
.side-stack { display: flex; flex-direction: column; gap: 18px; }
.side-card { padding: 22px; transition: .2s ease; }
.side-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.side-card p, .ready-points p, .scene-row p, .compare-col li, .note-row p { color: var(--muted); margin: 0; }
.scene-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 28px; align-items: start; }
.scene-list { display: flex; flex-direction: column; gap: 12px; }
.scene-row { display: grid; grid-template-columns: 58px 1fr; gap: 14px; padding: 16px 18px; align-items: center; }
.scene-row:hover { border-color: #b9cef0; }
.mile-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 28px; align-items: center; }
.mile-photo img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.time-item { display: grid; grid-template-columns: 64px 1fr; gap: 14px; margin-bottom: 16px; }
.time-no {
  width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center;
  background: var(--blue); color: #fff; font-weight: 800;
}
.time-item h3 { margin-bottom: 4px; }
.time-item p { color: var(--muted); margin: 0; }
.shift-band { background: linear-gradient(155deg, #2458a8, #14356f); color: #fff; padding: 76px 0; }
.shift-band h2, .shift-band p { color: #fff; }
.shift-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 22px; align-items: stretch; }
.shift-layout img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; border-radius: 28px; }
.shift-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.shift-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 20px;
  padding: 18px;
  min-height: 148px;
}
.shift-card span { display: block; color: #d7e6ff; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.shift-card p { color: #e7eef8; font-size: 14px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-col { padding: 26px; }
.compare-col.is-main { background: linear-gradient(180deg, #fff, #f3f8ff); border-color: #c5d8f3; }
.compare-col ul { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-direction: column; gap: 12px; }
.compare-col li { display: flex; gap: 10px; align-items: flex-start; }
.compare-col i { color: var(--blue); margin-top: 3px; }
.compare-col.is-out i { color: var(--warn); }
.mark-gold { color: var(--gold); font-weight: 800; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; }
.note-list { display: flex; flex-direction: column; gap: 12px; }
.note-row { display: grid; grid-template-columns: 150px 1fr auto; gap: 16px; align-items: center; padding: 16px 18px; }
.note-row strong { color: var(--blue-deep); }
.note-row em { font-style: normal; color: var(--ok); font-weight: 700; font-size: 13px; }
.accordion-item {
  border: 1px solid var(--line) !important;
  border-radius: 18px !important;
  overflow: hidden;
  margin-bottom: 12px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.accordion-button {
  font-weight: 700;
  color: var(--ink);
  background: #fff;
  box-shadow: none;
  padding: 18px 20px;
}
.accordion-button:not(.collapsed) {
  color: var(--blue-deep);
  background: #f3f7fd;
  box-shadow: none;
}
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(31,79,154,.16); }
.accordion-body { color: var(--muted); padding: 4px 20px 18px; }
.promise-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: start; }
.promise-list { display: grid; gap: 12px; }
.promise-card { padding: 16px 18px; display: grid; grid-template-columns: 42px 1fr; gap: 12px; align-items: center; }
.ticket-form { padding: 26px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #f8fbff;
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--ink);
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: #8eaddf;
  box-shadow: 0 0 0 4px rgba(31,79,154,.12);
  background: #fff;
}
.form-note { color: var(--muted); font-size: 13px; }
.ticket-done {
  margin-top: 14px;
  background: #e8f7ef;
  border: 1px solid #b7e4cb;
  color: #145c3d;
  border-radius: 16px;
  padding: 12px 14px;
  font-weight: 600;
}
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 42px 0 26px;
}
.site-footer strong { color: var(--ink); display: block; margin-bottom: 8px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .9fr; gap: 28px; }
.site-footer a { color: var(--blue-deep); font-weight: 600; }
.site-footer a:hover, .site-footer a:focus-visible { color: var(--blue); }
.copyright {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: #6d7f96;
  font-size: 14px;
}
.dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: rgba(255,255,255,.96);
  border-top: 1px solid var(--line);
  box-shadow: 0 -10px 30px rgba(20,53,111,.08);
  backdrop-filter: blur(12px);
}
.dock-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock-inner strong { display: block; }
.dock-inner span { color: var(--muted); font-size: 14px; }
@media (max-width: 1100px) {
  .stage-chips { display: none; }
  .nav-search { min-width: 180px; }
  .ready-points { grid-template-columns: 1fr; }
}
@media (max-width: 1024px) {
  h1 { font-size: 38px; }
  .desk-grid, .ready-grid, .scene-layout, .mile-grid, .shift-layout, .compare-grid, .promise-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .section-head { flex-direction: column; align-items: flex-start; }
  .desk-photo img, .mile-photo img { height: 340px; }
  .note-row { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 991.98px) {
  .menu-btn { display: flex; }
  #kenhNav.collapse:not(.show) { display: none !important; }
  #kenhNav.collapse.show { display: flex !important; flex-direction: column; }
  .channel-nav a { border-radius: 12px; }
}
@media (max-width: 768px) {
  .nav-top { min-height: 68px; gap: 10px; }
  .brand { min-width: 0; }
  .brand-text strong { font-size: 13px; }
  h1 { font-size: 32px; }
  h2, .section-head h2 { font-size: 28px; }
  .section { padding: 56px 0; }
  .shift-band { padding: 56px 0; }
  .stat-row, .shift-grid { grid-template-columns: 1fr 1fr; }
  .lead { font-size: 16px; }
}
@media (max-width: 520px) {
  body { padding-bottom: 132px; }
  .nav-search { display: none; }
  .brand-text small { display: none; }
  h1 { font-size: 28px; }
  .hero-actions, .dock-inner { flex-direction: column; align-items: stretch; }
  .btn-jin, .btn-ghost { width: 100%; }
  .stat-row, .shift-grid { grid-template-columns: 1fr; }
  .scene-row, .time-item, .promise-card { grid-template-columns: 1fr; }
  .desk-photo img, .mile-photo img, .shift-layout img { height: 220px; min-height: 220px; }
  .session-card { left: 10px; right: 10px; bottom: 10px; }
  .dock-inner { padding: 12px 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}