/* roulang page: index */
:root {
  --navy: #102844;
  --blue: #1f5fa8;
  --blue-deep: #164a86;
  --sky: #e7f1fb;
  --mist: #f4f8fc;
  --paper: #ffffff;
  --ink: #1a3148;
  --muted: #5d728c;
  --line: #d5e3f0;
  --gold: #b6893d;
  --gold-soft: #f8f1e3;
  --ok: #1c7d68;
  --shadow: 0 18px 46px rgba(16, 58, 104, 0.1);
  --shadow-soft: 0 10px 28px rgba(16, 58, 104, 0.07);
  --radius: 22px;
  --radius-sm: 14px;
  --wrap: 1180px;
  --header: 78px;
}
*, *::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: var(--mist);
  line-height: 1.7;
  font-size: 16.5px;
  padding-bottom: 92px;
}
img { max-width: 100%; display: block; height: auto; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
h1 { font-size: clamp(34px, 5vw, 62px); line-height: 1.12; letter-spacing: -0.035em; font-weight: 800; color: var(--navy); }
h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.2; letter-spacing: -0.03em; font-weight: 800; color: var(--navy); }
h3 { font-size: 20px; line-height: 1.35; font-weight: 700; color: var(--navy); }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(213,227,240,.9);
  box-shadow: 0 8px 24px rgba(16,40,68,.04);
}
.header-bar { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo {
  display: flex; align-items: center; gap: 12px;
  font-weight: 800; color: var(--navy); letter-spacing: -0.03em;
  font-size: 18px; min-width: 0;
}
.logo-mark {
  width: 42px; height: 42px; border-radius: 13px; flex: 0 0 auto;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(145deg, #2d78cb, #143e78);
  box-shadow: 0 8px 18px rgba(31,95,168,.28);
}
.logo span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo[aria-current="page"] .logo-mark { outline: 3px solid #d7e8fa; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 18px; border-radius: 999px;
  border: 1px solid transparent; font-weight: 700; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .play-btn:focus-visible, .rail-btn:focus-visible, .icon-link:focus-visible {
  outline: 3px solid #8eb7e8; outline-offset: 3px;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,168,.25); }
.btn-primary:hover { background: var(--blue-deep); }
.btn-ghost { background: rgba(255,255,255,.78); color: var(--navy); border-color: rgba(255,255,255,.9); }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c5d8ee; }
.btn-line:hover { border-color: var(--blue); box-shadow: var(--shadow-soft); }
.btn .short { display: none; }
.hero-video {
  position: relative; min-height: 760px;
  background-image:
    linear-gradient(100deg, rgba(244,248,252,.95) 0%, rgba(244,248,252,.88) 38%, rgba(16,40,68,.28) 100%),
    url("/assets/images/2a491a7cb5f8b12a.webp");
  background-size: cover; background-position: center;
  display: flex; align-items: center;
}
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 30px; align-items: center; padding: 72px 0; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--blue-deep); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 700;
  box-shadow: var(--shadow-soft); margin-bottom: 18px;
}
.lead { margin-top: 18px; color: var(--ink); font-size: 17.5px; max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.play-side { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 420px; }
.play-btn {
  width: 112px; height: 112px; border-radius: 50%; border: 0; cursor: pointer;
  background: #fff; color: var(--blue); font-size: 28px;
  box-shadow: 0 16px 40px rgba(16,40,68,.22);
  transition: transform .2s ease, box-shadow .2s ease;
}
.play-btn:hover { transform: scale(1.06); box-shadow: 0 20px 46px rgba(16,40,68,.28); }
.play-ring {
  width: 168px; height: 168px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.7);
  background: rgba(255,255,255,.18);
  backdrop-filter: blur(4px);
}
.play-caption { margin-top: 16px; color: #fff; font-weight: 700; text-shadow: 0 8px 18px rgba(0,0,0,.35); text-align: center; }
section { padding: 84px 0; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head p, .prose { color: var(--muted); margin-top: 12px; }
.problem { background: #fff; }
.problem-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 34px; align-items: start; }
.pain-list { display: flex; flex-direction: column; gap: 14px; }
.pain-item {
  display: grid; grid-template-columns: 64px 1fr; gap: 14px; align-items: start;
  background: var(--mist); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow-soft);
}
.num {
  width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center;
  background: #fff; color: var(--blue); font-weight: 800; border: 1px solid var(--line);
}
.highlights { background: linear-gradient(180deg, #f4f8fc 0%, #fff 100%); }
.bento { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
.bento-side { display: grid; gap: 18px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 22px;
}
.card:hover { box-shadow: 0 22px 50px rgba(16,58,104,.13); }
.feature-card { min-height: 100%; display: flex; flex-direction: column; }
.feature-card img { width: 100%; height: 250px; object-fit: cover; border-radius: 16px; margin-bottom: 16px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700;
  background: var(--sky); color: var(--blue-deep); margin-bottom: 10px;
}
.badge-gold { background: var(--gold-soft); color: #8a6424; }
.demo { background: var(--navy); color: #e7eef6; }
.demo h2, .demo h3 { color: #fff; }
.demo .section-head p { color: #c5d4e6; }
.rail-head { display: flex; justify-content: space-between; gap: 18px; align-items: end; }
.rail-nav { display: flex; gap: 8px; }
.rail-btn {
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.08); color: #fff; cursor: pointer;
}
.rail-btn:hover { background: #fff; color: var(--navy); }
.rail {
  margin-top: 22px; display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: 8px;
}
.shot {
  flex: 0 0 320px; scroll-snap-align: start; background: #fff; color: var(--ink);
  border-radius: 20px; overflow: hidden; box-shadow: var(--shadow);
}
.shot img { width: 100%; height: 190px; object-fit: cover; }
.shot div { padding: 16px 16px 18px; }
.shot p { color: var(--muted); margin-top: 6px; }
.results { background: #fff; }
.result-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.stat {
  background: var(--mist); border-radius: 18px; padding: 16px; border: 1px solid var(--line);
}
.stat b { display: block; font-size: 30px; color: var(--blue); letter-spacing: -0.04em; }
.stat span { color: var(--muted); font-size: 14px; }
.photo-frame { position: relative; }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.float-note {
  position: absolute; left: 18px; bottom: 18px; right: 18px;
  background: rgba(255,255,255,.94); border-radius: 16px; padding: 14px 16px;
  box-shadow: var(--shadow-soft);
}
.stuck { background: var(--mist); }
.stack { display: flex; flex-direction: column; gap: 12px; }
.row-card {
  display: grid; grid-template-columns: 86px 1fr; gap: 8px 18px;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px;
  box-shadow: var(--shadow-soft);
}
.row-card strong { grid-column: 2; }
.row-card p { grid-column: 2; color: var(--muted); }
.index-pill { grid-row: 1 / span 2; width: 86px; height: 64px; border-radius: 16px; display: grid; place-items: center; background: var(--sky); color: var(--blue-deep); font-weight: 800; }
.path { background: #fff; }
.timeline { margin-top: 8px; display: flex; flex-direction: column; gap: 0; }
.step { display: grid; grid-template-columns: 28px 1fr; gap: 16px; }
.step-rail { display: flex; flex-direction: column; align-items: center; }
.dot { width: 16px; height: 16px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 6px #d9e8f8; margin-top: 6px; }
.step-rail i { width: 2px; flex: 1; background: #d5e3f0; }
.step article { background: var(--mist); border-radius: 18px; padding: 16px 18px; margin-bottom: 14px; border: 1px solid var(--line); }
.reviews { background: linear-gradient(180deg, #eef5fc, #f7fbfe); }
.quote-wall { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 14px; }
.quote { background: #fff; border-radius: 22px; padding: 20px; border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
.quote.wide { grid-column: span 1; }
.quote header { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.who { font-weight: 800; color: var(--navy); }
.where { color: var(--muted); font-size: 13px; }
.stars { color: var(--gold); letter-spacing: 2px; }
.compare { background: #fff; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.panel { border-radius: 24px; padding: 24px; border: 1px solid var(--line); }
.panel ul { margin: 16px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.panel li { display: flex; gap: 10px; align-items: flex-start; }
.panel.old { background: #f7f9fb; color: var(--muted); }
.panel.now { background: #123864; color: #e8f1fa; box-shadow: var(--shadow); }
.panel.now h3 { color: #fff; }
.news { background: var(--mist); }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
  display: grid; grid-template-columns: 210px 1fr auto; gap: 16px; align-items: center;
  background: #fff; border-radius: 20px; padding: 12px; border: 1px solid var(--line); box-shadow: var(--shadow-soft);
}
.news-item img { width: 210px; height: 132px; object-fit: cover; border-radius: 14px; }
.date { color: var(--blue); font-weight: 700; font-size: 13px; }
.more-link { color: var(--blue-deep); font-weight: 800; white-space: nowrap; }
.more-link:hover { color: var(--navy); }
.rewards { background: #fff; }
.reward-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 16px; }
.reward {
  border-radius: 24px; overflow: hidden; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-soft);
}
.reward img { width: 100%; height: 180px; object-fit: cover; }
.reward div { padding: 16px 18px 18px; }
.calendar { background: var(--mist); }
.cal-list { display: flex; flex-direction: column; gap: 10px; }
.cal-item {
  display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: center;
  background: #fff; border-radius: 16px; padding: 14px 16px; border: 1px solid var(--line);
}
.cal-item time { font-weight: 800; color: var(--blue-deep); }
.season {
  padding: 0;
}
.season-banner {
  min-height: 360px; display: flex; align-items: end;
  background-image:
    linear-gradient(180deg, rgba(16,40,68,.05), rgba(16,40,68,.72)),
    url("/assets/images/89b7f0507c38cfb3.webp");
  background-size: cover; background-position: center;
}
.season-banner .wrap { padding: 48px 0; color: #fff; }
.season-banner h2, .season-banner p { color: #fff; max-width: 720px; }
.channels { background: #fff; }
.icon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.icon-link {
  display: flex; flex-direction: column; gap: 8px; min-height: 180px;
  background: var(--mist); border: 1px solid var(--line); border-radius: 20px; padding: 18px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.icon-link:hover { transform: translateY(-4px); background: #fff; box-shadow: var(--shadow); }
.icon-link i { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: #fff; color: var(--blue); border: 1px solid var(--line); }
.ladder { background: linear-gradient(180deg, #fff, #eef5fc); }
.ladder-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: end; }
.tier { background: #fff; border: 1px solid var(--line); border-radius: 24px 24px 18px 18px; padding: 20px; box-shadow: var(--shadow-soft); }
.tier:nth-child(1) { min-height: 240px; }
.tier:nth-child(2) { min-height: 300px; background: #f8fbfe; }
.tier:nth-child(3) { min-height: 360px; background: #123864; color: #e8f1fa; }
.tier:nth-child(3) h3 { color: #fff; }
.tier em { display: block; font-style: normal; font-weight: 800; color: var(--gold); margin-bottom: 8px; }
.downloads {
  background-image:
    linear-gradient(90deg, rgba(244,248,252,.94), rgba(244,248,252,.9)),
    url("/assets/images/c1ca04b90d5fe46d.webp");
  background-size: cover; background-position: center;
}
.dl-box { background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: 28px; padding: 28px; box-shadow: var(--shadow); }
.dl-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.assurance { background: #fff; padding-top: 36px; padding-bottom: 36px; }
.assure-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.assure {
  display: flex; gap: 12px; align-items: flex-start;
  border: 1px solid var(--line); border-radius: 18px; padding: 16px; background: var(--mist);
}
.assure i { color: var(--ok); font-size: 20px; margin-top: 3px; }
.site-footer { background: var(--navy); color: #d5e2f0; padding: 42px 0 28px; }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; align-items: start; }
.site-footer .logo { color: #fff; }
.site-footer p { max-width: 640px; color: #c5d4e6; margin-top: 10px; }
.copy { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); color: #a9bdd3; font-size: 14px; }
.dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: rgba(255,255,255,.96); border-top: 1px solid var(--line);
  box-shadow: 0 -10px 30px rgba(16,40,68,.08); backdrop-filter: blur(12px);
}
.dock-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock p { font-weight: 700; color: var(--navy); }
@media (max-width: 1024px) {
  .hero-inner, .problem-grid, .bento, .result-layout, .compare-grid, .quote-wall, .reward-grid { grid-template-columns: 1fr; }
  .icon-grid, .assure-grid, .ladder-grid { grid-template-columns: 1fr 1fr; }
  .news-item { grid-template-columns: 180px 1fr; }
  .more-link { grid-column: 2; }
  .quote-wall .quote:last-child { grid-column: 1 / -1; }
  .play-side { min-height: 220px; }
  .hero-video { min-height: 0; }
}
@media (max-width: 768px) {
  section { padding: 64px 0; }
  .news-item { grid-template-columns: 1fr; }
  .news-item img { width: 100%; height: 200px; }
  .more-link { grid-column: auto; }
  .footer-grid, .dock-inner, .rail-head, .cal-item { display: flex; flex-direction: column; align-items: flex-start; }
  .icon-grid, .assure-grid, .ladder-grid, .stat-grid { grid-template-columns: 1fr; }
  .photo-frame img { height: 280px; }
  .row-card { grid-template-columns: 1fr; }
  .index-pill { width: 72px; height: 42px; }
  h1 { font-size: 36px; }
}
@media (max-width: 520px) {
  .wrap { width: calc(100% - 28px); }
  .logo span { max-width: 150px; }
  .btn .full { display: none; }
  .btn .short { display: inline; }
  .hero-actions .btn .full { display: inline; }
  .hero-actions .btn .short { display: none; }
  .pain-item { grid-template-columns: 1fr; }
  .shot { flex-basis: 84%; }
  .play-btn { width: 86px; height: 86px; }
  .play-ring { width: 126px; height: 126px; }
  .dock .btn .full { display: inline; }
  .dock .btn .short { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .icon-link, .play-btn { transition: none; }
}

/* roulang page: category2 */
:root {
 --navy: #102844;
 --blue: #1f5fa8;
 --blue-deep: #164a86;
 --sky: #e7f1fb;
 --mist: #f4f8fc;
 --paper: #ffffff;
 --ink: #1a3148;
 --muted: #5d728c;
 --line: #d5e3f0;
 --gold: #b6893d;
 --gold-soft: #f8f1e3;
 --ok: #1c7d68;
 --shadow: 0 18px 46px rgba(16, 58, 104, 0.1);
 --shadow-soft: 0 10px 28px rgba(16, 58, 104, 0.07);
 --radius: 22px;
 --radius-sm: 14px;
 --wrap: 1180px;
 --header: 78px;
}
/* roulang page: category2 */
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: var(--mist);
 line-height: 1.7;
 font-size: 16.5px;
 padding-bottom: 92px;
}
img { max-width: 100%; display: block; height: auto; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(34px, 4.4vw, 54px); line-height: 1.12; letter-spacing: -0.04em; color: var(--navy); font-weight: 800; }
h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.18; letter-spacing: -0.03em; color: var(--navy); font-weight: 800; }
h3 { font-size: 20px; line-height: 1.35; color: var(--navy); font-weight: 750; letter-spacing: -0.02em; }
.wrap { width: min(var(--wrap), calc(100% - 36px)); margin: 0 auto; }
.site-header {
 position: sticky; top: 0; z-index: 50;
 height: var(--header);
 background: rgba(255,255,255,.92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(213,227,240,.9);
 box-shadow: 0 8px 24px rgba(16,40,68,.04);
}
.header-bar { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo {
 display: flex; align-items: center; gap: 12px;
 font-weight: 800; color: var(--navy); letter-spacing: -0.03em;
 font-size: 18px; min-width: 0;
}
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px; flex: 0 0 auto;
 display: grid; place-items: center; color: #fff;
 background: linear-gradient(145deg, #2d78cb, #143e78);
 box-shadow: 0 8px 18px rgba(31,95,168,.28);
}
.logo span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo[aria-current="page"] .logo-mark { outline: 3px solid #d7e8fa; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 10px;
 min-height: 48px; padding: 0 18px; border-radius: 999px;
 border: 1px solid transparent; font-weight: 700; cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .slot:focus-visible, .icon-link:focus-visible {
 outline: 3px solid #8eb7e8; outline-offset: 3px;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,168,.25); }
.btn-primary:hover { background: var(--blue-deep); }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c5d8ee; }
.btn-line:hover { border-color: var(--blue); box-shadow: var(--shadow-soft); }
.btn .short { display: none; }
section { padding: 84px 0; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head p, .prose { color: var(--muted); margin-top: 12px; }
.card {
 background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
 box-shadow: var(--shadow); padding: 22px;
 transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover { box-shadow: 0 22px 50px rgba(16,58,104,.13); }
.badge {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700;
 background: var(--sky); color: var(--blue-deep); margin-bottom: 10px;
}
.badge-gold { background: var(--gold-soft); color: #8a6424; }
.badge-ok { background: #e5f6f1; color: var(--ok); }
.row-card {
 display: grid; grid-template-columns: 86px 1fr; gap: 8px 18px;
 background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px;
 box-shadow: var(--shadow-soft);
}
.news-item {
 display: grid; grid-template-columns: 210px 1fr auto; gap: 16px; align-items: center;
 background: #fff; border-radius: 20px; padding: 12px; border: 1px solid var(--line); box-shadow: var(--shadow-soft);
 transition: transform .2s ease, box-shadow .2s ease;
}
.news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.news-item img { width: 210px; height: 132px; object-fit: cover; border-radius: 14px; }
.site-footer { background: var(--navy); color: #d5e3f2; padding: 46px 0 28px; }
.footer-grid { display: grid; grid-template-columns: minmax(240px, 340px) 1fr; gap: 28px; align-items: start; }
.site-footer .logo { color: #fff; }
.site-footer p { color: #c5d4e6; }
.copy { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); font-size: 14px; color: #9fb4cb; }
.release-hero {
 position: relative;
 background-image:
  linear-gradient(105deg, rgba(244,248,252,.96) 0%, rgba(244,248,252,.9) 48%, rgba(16,40,68,.42) 100%),
  url("/assets/images/82ca6070ca7c1131.webp");
 background-size: cover;
 background-position: center;
}
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 34px; align-items: center; padding: 72px 0; }
.lead { margin-top: 16px; max-width: 640px; color: var(--ink); font-size: 17.5px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.hero-points span {
 display: inline-flex; align-items: center; gap: 8px;
 background: rgba(255,255,255,.82); border: 1px solid var(--line);
 border-radius: 999px; padding: 8px 12px; font-weight: 650; color: var(--navy); font-size: 14px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.slot-panel { padding: 20px; background: rgba(255,255,255,.94); }
.slot-top { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.slot-top strong { color: var(--navy); font-size: 18px; letter-spacing: -0.03em; text-align: right; }
.slot-list { display: grid; gap: 10px; }
.slot {
 width: 100%; text-align: left; cursor: pointer;
 display: flex; justify-content: space-between; align-items: center; gap: 12px;
 border-radius: 16px; border: 1px solid var(--line); background: var(--mist);
 min-height: 64px; padding: 10px 14px; color: var(--navy);
 transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.slot span { font-weight: 800; font-size: 18px; }
.slot small { color: var(--muted); font-size: 13.5px; }
.slot:hover { border-color: #9ebfe4; transform: translateY(-1px); }
.slot.is-active { background: #fff; border-color: var(--blue); box-shadow: inset 0 0 0 1px var(--blue); }
.slot.is-active span { color: var(--blue-deep); }
.check-list { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-direction: column; gap: 10px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink); }
.check-list i { color: var(--ok); margin-top: 4px; }
.band-soft { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.split { display: grid; grid-template-columns: .78fr 1.22fr; gap: 36px; align-items: start; }
.timeline { display: flex; flex-direction: column; gap: 16px; }
.timeline-item { display: grid; grid-template-columns: 92px 22px 1fr; gap: 12px; align-items: stretch; }
.time-col strong { display: block; color: var(--navy); font-size: 20px; letter-spacing: -0.03em; }
.time-col span { color: var(--muted); font-size: 13px; }
.rail-col { position: relative; }
.rail-col::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: -18px; width: 2px; background: #d3e3f3; }
.timeline-item:last-child .rail-col::before { bottom: 18px; }
.rail { width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 4px solid var(--blue); display: block; position: relative; z-index: 1; margin-top: 8px; }
.flat { box-shadow: var(--shadow-soft); }
.flat p { color: var(--muted); margin-top: 8px; }
.device-board { display: grid; grid-template-columns: 1.35fr .82fr .82fr; gap: 16px; }
.wide { grid-row: span 2; display: flex; flex-direction: column; }
.rank { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-direction: column; }
.rank li { display: grid; grid-template-columns: 42px 1fr auto; gap: 12px; align-items: center; padding: 14px 0; border-top: 1px solid var(--line); }
.rank b { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; background: var(--sky); color: var(--blue-deep); }
.rank p { color: var(--muted); font-size: 14px; }
.pill { border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 800; background: #e5f6f1; color: var(--ok); }
.pill.wait { background: var(--gold-soft); color: #8a6424; }
.pill.watch { background: var(--sky); color: var(--blue-deep); }
.tile { min-height: 168px; display: flex; flex-direction: column; justify-content: space-between; }
.tile i { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--sky); color: var(--blue); font-size: 18px; }
.tile p { color: var(--muted); margin-top: 8px; }
.scene { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.scene-photo { position: relative; }
.scene-photo img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.float-note {
 position: absolute; left: 18px; bottom: 18px; right: 18px;
 background: rgba(255,255,255,.94); border-radius: 18px; padding: 14px 16px;
 border: 1px solid rgba(255,255,255,.8); box-shadow: var(--shadow-soft);
}
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 18px; }
.stat { background: var(--mist); border: 1px solid var(--line); border-radius: 16px; padding: 14px; }
.stat strong { display: block; font-size: 28px; color: var(--navy); letter-spacing: -0.04em; }
.stat span { color: var(--muted); font-size: 13.5px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-grid article ul { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-direction: column; gap: 12px; }
.compare-grid li { display: flex; gap: 10px; align-items: flex-start; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.compare-grid li:last-child { border-bottom: 0; padding-bottom: 0; }
.old { background: #f7fafc; }
.fresh { background: linear-gradient(180deg, #fff, #f3f8fd); border-color: #b9d3ee; }
.proof-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 18px; }
.proof-photo { width: 100%; height: 100%; min-height: 320px; object-fit: cover; border-radius: 28px; }
.quote-stack { display: flex; flex-direction: column; gap: 14px; }
.quote header { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 8px; }
.stars { color: var(--gold); letter-spacing: 2px; font-size: 13px; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-copy p { color: var(--muted); margin-top: 6px; }
.icon-link { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line); color: var(--blue-deep); background: #fff; }
.icon-link:hover { background: var(--blue); color: #fff; }
.close-band {
 background-image:
  linear-gradient(100deg, rgba(16,40,68,.94), rgba(22,74,134,.88)),
  url("/assets/images/89b7f0507c38cfb3.webp");
 background-size: cover; background-position: center; color: #fff;
}
.close-band h2, .close-band h3 { color: #fff; }
.close-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: stretch; }
.assure { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.assure div { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 16px; padding: 14px; }
.assure strong { display: block; }
.assure span { color: #d5e4f4; font-size: 14px; }
.glass { background: rgba(255,255,255,.96); color: var(--ink); }
.glass h3 { color: var(--navy); }
.objection { display: grid; grid-template-columns: .72fr 1.28fr; gap: 22px; }
.q-list { display: flex; flex-direction: column; gap: 12px; }
.q-item { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.q-item strong { display: block; color: var(--navy); }
.q-item p { color: var(--muted); margin-top: 6px; }
.dock {
 position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
 background: rgba(255,255,255,.95); border-top: 1px solid var(--line);
 box-shadow: 0 -10px 28px rgba(16,40,68,.08); backdrop-filter: blur(14px);
}
.dock-bar { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock p { color: var(--muted); font-size: 14.5px; }
.dock strong { color: var(--navy); }
@media (max-width: 1024px) {
 .hero-grid, .split, .device-board, .scene, .compare-grid, .proof-layout, .close-grid, .objection, .footer-grid { grid-template-columns: 1fr; }
 .wide { grid-row: auto; }
 .scene-photo img, .proof-photo { height: 320px; min-height: 0; }
}
@media (max-width: 768px) {
 section { padding: 62px 0; }
 .hero-grid { padding: 48px 0; }
 .news-item, .timeline-item, .rank li { grid-template-columns: 1fr; }
 .news-item img { width: 100%; height: 190px; }
 .time-col { display: flex; gap: 8px; align-items: baseline; }
 .rail-col { display: none; }
 .stat-row, .assure { grid-template-columns: 1fr; }
 .icon-link { display: none; }
}
@media (max-width: 520px) {
 .btn .full { display: none; }
 .btn .short { display: inline; }
 .logo { font-size: 14.5px; max-width: 64vw; }
 .wrap { width: min(var(--wrap), calc(100% - 24px)); }
 .slot { align-items: flex-start; flex-direction: column; }
 .dock-bar { align-items: stretch; flex-direction: column; justify-content: center; padding: 10px 0; }
 .float-note { position: static; margin-top: 12px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 .btn, .card, .slot, .news-item { transition: none; }
}

/* roulang page: category1 */
:root {
  --navy: #102844;
  --blue: #1f5fa8;
  --blue-deep: #164a86;
  --sky: #e7f1fb;
  --mist: #f4f8fc;
  --paper: #ffffff;
  --ink: #1a3148;
  --muted: #5d728c;
  --line: #d5e3f0;
  --gold: #b6893d;
  --gold-soft: #f8f1e3;
  --ok: #1c7d68;
  --shadow: 0 18px 46px rgba(16, 58, 104, 0.1);
  --shadow-soft: 0 10px 28px rgba(16, 58, 104, 0.07);
  --radius: 22px;
  --radius-sm: 14px;
  --wrap: 1180px;
  --header: 78px;
}
/* roulang page: category1 */
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--mist);
  line-height: 1.7;
  font-size: 16.5px;
  padding-bottom: 92px;
}
img { max-width: 100%; display: block; height: auto; }
button, input, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; color: var(--navy); letter-spacing: -0.03em; line-height: 1.18; font-weight: 800; }
h1 { font-size: clamp(34px, 4.5vw, 56px); }
h2 { font-size: clamp(28px, 3vw, 40px); }
h3 { font-size: 20px; line-height: 1.35; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(213,227,240,.9);
  box-shadow: 0 8px 24px rgba(16,40,68,.04);
}
.header-bar { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo {
  display: flex; align-items: center; gap: 12px;
  font-weight: 800; color: var(--navy); letter-spacing: -0.03em;
  font-size: 18px; min-width: 0;
}
.logo:hover { color: var(--blue-deep); }
.logo-mark {
  width: 42px; height: 42px; border-radius: 13px; flex: 0 0 auto;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(145deg, #2d78cb, #143e78);
  box-shadow: 0 8px 18px rgba(31,95,168,.28);
}
.logo span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo[aria-current="page"] .logo-mark { outline: 3px solid #d7e8fa; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 18px; border-radius: 999px;
  border: 1px solid transparent; font-weight: 700; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .icon-link:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid #8eb7e8; outline-offset: 3px;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,168,.25); }
.btn-primary:hover { background: var(--blue-deep); }
.btn-ghost { background: rgba(255,255,255,.78); color: var(--navy); border-color: rgba(255,255,255,.9); }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c5d8ee; }
.btn-line:hover { border-color: var(--blue); box-shadow: var(--shadow-soft); }
.btn .short { display: none; }
section { padding: 84px 0; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head p, .prose { color: var(--muted); margin-top: 12px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 22px;
  transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover { box-shadow: 0 22px 50px rgba(16,58,104,.13); }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700;
  background: var(--sky); color: var(--blue-deep); margin-bottom: 10px;
}
.badge-gold { background: var(--gold-soft); color: #8a6424; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.row-card {
  display: grid; grid-template-columns: 86px 1fr; gap: 8px 18px;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px;
  box-shadow: var(--shadow-soft); transition: transform .2s ease, box-shadow .2s ease;
}
.row-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.row-card strong { grid-column: 2; color: var(--navy); }
.row-card p { grid-column: 2; color: var(--muted); }
.index-pill { grid-row: 1 / span 2; width: 86px; height: 64px; border-radius: 16px; display: grid; place-items: center; background: var(--sky); color: var(--blue-deep); font-weight: 800; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
  display: grid; grid-template-columns: 210px 1fr auto; gap: 16px; align-items: center;
  background: #fff; border-radius: 20px; padding: 12px; border: 1px solid var(--line); box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
}
.news-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.news-item img { width: 210px; height: 132px; object-fit: cover; border-radius: 14px; }
.mast {
  padding: 34px 0 12px;
  background:
    linear-gradient(100deg, rgba(244,248,252,.96) 0%, rgba(244,248,252,.92) 48%, rgba(231,241,251,.88) 100%),
    url("/assets/images/82ca6070ca7c1131.webp") center top / cover no-repeat;
}
.mast-grid, .split-grid, .matrix-grid, .cta-grid, .rank-wrap { display: grid; gap: 28px; align-items: start; }
.mast-grid { grid-template-columns: 1.12fr .88fr; align-items: center; padding-bottom: 28px; }
.split-grid { grid-template-columns: .92fr 1.08fr; align-items: center; }
.matrix-grid { grid-template-columns: .78fr 1.22fr; }
.rank-wrap { grid-template-columns: 1.15fr .85fr; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.crumb a:hover { color: var(--blue); }
.lead { margin-top: 18px; color: var(--ink); font-size: 17.5px; max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.check-list { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; font-weight: 650; font-weight: 600; color: var(--navy); }
.check-list i { color: var(--ok); margin-top: 4px; }
.trust-card img { width: 100%; height: 210px; object-fit: cover; border-radius: 16px; margin-bottom: 16px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 14px; box-shadow: var(--shadow-soft); }
.stat b { display: block; color: var(--navy); font-size: 26px; letter-spacing: -0.04em; line-height: 1.1; }
.stat span { color: var(--muted); font-size: 13.5px; }
.band-white { background: #fff; }
.band-sky { background: linear-gradient(180deg, #eef5fc 0%, #f7fbfe 100%); }
.time-rail { margin: 8px 0 0 8px; border-left: 2px solid #c5d8ee; display: flex; flex-direction: column; gap: 14px; }
.time-item { position: relative; margin-left: 22px; }
.time-item::before {
  content: ""; position: absolute; left: -29px; top: 24px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--blue); box-shadow: 0 0 0 5px #d7e8fa;
}
.time-item time { color: var(--gold); font-weight: 800; font-size: 13px; letter-spacing: .04em; }
.rank-list { display: flex; flex-direction: column; gap: 12px; }
.rank-row {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 14px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 14px;
  box-shadow: var(--shadow-soft);
}
.medal { width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; font-size: 20px; }
.medal-1 { background: var(--gold-soft); color: #8a6424; }
.medal-2 { background: #eef3f8; color: #4d647c; }
.medal-3 { background: #f8ebe3; color: #8a4b2a; }
.score { font-weight: 800; color: var(--blue-deep); font-size: 18px; }
.mod-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mod {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 16px 14px;
  box-shadow: var(--shadow-soft); min-height: 148px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.mod:hover { transform: translateY(-3px); border-color: #b9d0e8; box-shadow: var(--shadow); }
.mod i {
  width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center;
  background: var(--sky); color: var(--blue-deep); margin-bottom: 10px;
}
.mod p { color: var(--muted); margin-top: 6px; font-size: 14.5px; }
.old-card { background: #f7fbfe; }
.new-card { border-color: #b9d3ee; background: linear-gradient(180deg, #fff, #f3f8fd); }
.diff { display: flex; justify-content: space-between; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.diff:last-child { border-bottom: 0; }
.diff span { color: var(--muted); }
.diff b { color: var(--navy); text-align: right; }
.device-list { display: flex; flex-direction: column; gap: 12px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-list details {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px;
  box-shadow: var(--shadow-soft);
}
.faq-list details[open] { border-color: #b9d0e8; box-shadow: var(--shadow); }
.faq-list summary { cursor: pointer; list-style: none; font-weight: 800; color: var(--navy); display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--blue); font-size: 22px; line-height: 1; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { margin-top: 10px; }
.cta-sec {
  background:
    linear-gradient(105deg, rgba(16,40,68,.94), rgba(22,74,134,.88)),
    url("/assets/images/bddcef3fb6796883.webp") center / cover no-repeat;
}
.cta-sec h2, .cta-sec .kicker { color: #fff; }
.cta-sec .prose { color: #d5e3f2; }
.cta-grid { grid-template-columns: 1fr .92fr; align-items: center; }
.kicker { font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--blue-deep); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; font-weight: 700; color: var(--navy); font-size: 14px; }
.field-wide { grid-column: 1 / -1; }
.field input, .field select {
  min-height: 48px; border-radius: 12px; border: 1px solid var(--line);
  padding: 0 14px; background: #fff; color: var(--ink); font-size: 16px; font-weight: 500;
}
.field input:hover, .field select:hover { border-color: #b7cfe6; }
.form-note { margin-top: 12px; background: #e7f6f2; color: var(--ok); border-radius: 12px; padding: 12px 14px; font-weight: 700; }
.assure {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px;
}
.assure span {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px; padding: 7px 12px; font-size: 13.5px; font-weight: 650; font-weight: 600;
}
.news-side { color: var(--blue-deep); font-weight: 800; font-size: 13px; white-space: nowrap; }
.site-footer { background: var(--navy); color: #d5e3f2; padding: 48px 0 34px; }
.site-footer .logo { color: #fff; }
.site-footer .logo:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 300px 1fr; gap: 28px; align-items: start; }
.site-footer p { color: #c5d4e6; max-width: 740px; }
.copy { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); font-size: 14px; color: #9fb3c9; }
.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(16,40,68,.08);
  backdrop-filter: blur(14px);
  padding: 12px 0;
}
.dock-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock p { color: var(--navy); font-weight: 700; }
.dock span { display: block; color: var(--muted); font-weight: 500; font-size: 13.5px; }
@media (max-width: 1024px) {
  .mast-grid, .split-grid, .matrix-grid, .cta-grid, .rank-wrap, .compare-grid, .footer-grid { grid-template-columns: 1fr; }
  .photo-frame img { height: 320px; }
  .news-item { grid-template-columns: 180px 1fr; }
  .news-side { display: none; }
}
@media (max-width: 768px) {
  :root { --header: 68px; }
  main section { padding: 56px 0; }
  .mast { padding-top: 22px; }
  .news-item, .rank-row { grid-template-columns: 1fr; }
  .news-item img { width: 100%; height: 200px; }
  .stat-grid, .mod-grid, .form-grid { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .dock-inner { align-items: stretch; }
  .btn .full { display: none; }
  .btn .short { display: inline; }
  .logo { font-size: 15px; }
  body { padding-bottom: 128px; }
  .index-pill { width: 72px; height: 56px; }
  .row-card { grid-template-columns: 72px 1fr; }
}
@media (max-width: 520px) {
  .wrap { width: min(var(--wrap), calc(100% - 28px)); }
  h1 { font-size: 32px; }
  .card, .news-item, .row-card { padding: 14px; }
  .trust-card img { height: 180px; }
  .hero-actions .btn, .dock .btn, .form-card .btn { width: 100%; }
  .dock-inner { flex-direction: column; }
}

/* roulang page: category4 */
:root {
 --navy: #102844;
 --blue: #1f5fa8;
 --blue-deep: #164a86;
 --sky: #e7f1fb;
 --mist: #f4f8fc;
 --paper: #ffffff;
 --ink: #1a3148;
 --muted: #5d728c;
 --line: #d5e3f0;
 --gold: #b6893d;
 --gold-soft: #f8f1e3;
 --ok: #1c7d68;
 --shadow: 0 18px 46px rgba(16, 58, 104, 0.1);
 --shadow-soft: 0 10px 28px rgba(16, 58, 104, 0.07);
 --radius: 22px;
 --radius-sm: 14px;
 --wrap: 1180px;
 --header: 78px;
}
/* roulang page: index */
:root {
 --navy: #102844;
 --blue: #1f5fa8;
 --blue-deep: #164a86;
 --sky: #e7f1fb;
 --mist: #f4f8fc;
 --paper: #ffffff;
 --ink: #1a3148;
 --muted: #5d728c;
 --line: #d5e3f0;
 --gold: #b6893d;
 --gold-soft: #f8f1e3;
 --ok: #1c7d68;
 --shadow: 0 18px 46px rgba(16, 58, 104, 0.1);
 --shadow-soft: 0 10px 28px rgba(16, 58, 104, 0.07);
 --radius: 22px;
 --radius-sm: 14px;
 --wrap: 1180px;
 --header: 78px;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
 color: var(--ink);
 background: var(--mist);
 line-height: 1.7;
 font-size: 16.5px;
 padding-bottom: 92px;
}
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(34px, 4.6vw, 54px); line-height: 1.14; letter-spacing: -0.035em; color: var(--navy); font-weight: 800; }
h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.2; letter-spacing: -0.03em; color: var(--navy); font-weight: 800; }
h3 { font-size: 20px; line-height: 1.35; color: var(--navy); font-weight: 700; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky; top: 0; z-index: 50;
 height: var(--header);
 background: rgba(255,255,255,.92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(213,227,240,.9);
 box-shadow: 0 8px 24px rgba(16,40,68,.04);
}
.header-bar { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo {
 display: flex; align-items: center; gap: 12px;
 font-weight: 800; color: var(--navy); letter-spacing: -0.03em;
 font-size: 18px; min-width: 0;
}
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px; flex: 0 0 auto;
 display: grid; place-items: center; color: #fff;
 background: linear-gradient(145deg, #2d78cb, #143e78);
 box-shadow: 0 8px 18px rgba(31,95,168,.28);
}
.logo span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo[aria-current="page"] .logo-mark { outline: 3px solid #d7e8fa; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 10px;
 min-height: 48px; padding: 0 18px; border-radius: 999px;
 border: 1px solid transparent; font-weight: 700; cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .play-btn:focus-visible, .rail-btn:focus-visible, .icon-link:focus-visible {
 outline: 3px solid #8eb7e8; outline-offset: 3px;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,168,.25); }
.btn-primary:hover { background: var(--blue-deep); }
.btn-ghost { background: rgba(255,255,255,.78); color: var(--navy); border-color: rgba(255,255,255,.9); }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c5d8ee; }
.btn-line:hover { border-color: var(--blue); box-shadow: var(--shadow-soft); }
.btn .short { display: none; }
.hero-video {
 position: relative; min-height: 760px;
 background-image:
 linear-gradient(100deg, rgba(244,248,252,.95) 0%, rgba(244,248,252,.88) 38%, rgba(16,40,68,.28) 100%),
 url("/assets/images/2a491a7cb5f8b12a.webp");
 background-size: cover; background-position: center;
 display: flex; align-items: center;
}
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 30px; align-items: center; padding: 72px 0; }
.lead { margin-top: 18px; color: var(--ink); font-size: 17.5px; max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.play-btn {
 width: 112px; height: 112px; border-radius: 50%; border: 0; cursor: pointer;
 background: #fff; color: var(--blue); font-size: 28px;
 box-shadow: 0 16px 40px rgba(16,40,68,.22);
 transition: transform .2s ease, box-shadow .2s ease;
}
.play-btn:hover { transform: scale(1.06); box-shadow: 0 20px 46px rgba(16,40,68,.28); }
section { padding: 84px 0; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head p, .prose { color: var(--muted); margin-top: 12px; }
.problem-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 34px; align-items: start; }
.pain-list { display: flex; flex-direction: column; gap: 14px; }
.pain-item {
 display: grid; grid-template-columns: 64px 1fr; gap: 14px; align-items: start;
 background: var(--mist); border: 1px solid var(--line); border-radius: var(--radius);
 padding: 16px 18px; box-shadow: var(--shadow-soft);
}
.card {
 background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
 box-shadow: var(--shadow); padding: 22px;
 transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover { box-shadow: 0 22px 50px rgba(16,58,104,.13); }
.feature-card { min-height: 100%; display: flex; flex-direction: column; }
.feature-card img { width: 100%; height: 250px; object-fit: cover; border-radius: 16px; margin-bottom: 16px; }
.badge {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700;
 background: var(--sky); color: var(--blue-deep); margin-bottom: 10px;
}
.badge-gold { background: var(--gold-soft); color: #8a6424; }
.demo .section-head p { color: #c5d4e6; }
.rail-nav { display: flex; gap: 8px; }
.rail-btn {
 width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25);
 background: rgba(255,255,255,.08); color: #fff; cursor: pointer;
}
.rail-btn:hover { background: #fff; color: var(--navy); }
.shot img { width: 100%; height: 190px; object-fit: cover; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.row-card {
 display: grid; grid-template-columns: 86px 1fr; gap: 8px 18px;
 background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px;
 box-shadow: var(--shadow-soft);
}
.row-card strong { grid-column: 2; }
.row-card p { grid-column: 2; color: var(--muted); }
.index-pill { grid-row: 1 / span 2; width: 86px; height: 64px; border-radius: 16px; display: grid; place-items: center; background: var(--sky); color: var(--blue-deep); font-weight: 800; }
.quote header { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
 display: grid; grid-template-columns: 210px 1fr auto; gap: 16px; align-items: center;
 background: #fff; border-radius: 20px; padding: 12px; border: 1px solid var(--line); box-shadow: var(--shadow-soft);
 transition: transform .2s ease, box-shadow .2s ease;
}
.news-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.news-item img { width: 210px; height: 132px; object-fit: cover; border-radius: 14px; }
.reward-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 16px; }
.reward img { width: 100%; height: 180px; object-fit: cover; border-radius: 16px; }
.site-footer { background: var(--navy); color: #d5e3f2; padding: 48px 0 28px; }
.site-footer .logo { color: #fff; }
.footer-grid { display: grid; grid-template-columns: minmax(220px, 320px) 1fr; gap: 28px; align-items: start; }
.site-footer p { color: #c5d4e6; }
.copy { margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); font-size: 14px; color: #9fb4cb; }
.kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--blue-deep); font-weight: 700; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.crumb a { color: var(--blue-deep); font-weight: 600; }
.crumb a:hover { text-decoration: underline; }
.page-lead { background: linear-gradient(180deg, #fff 0%, var(--mist) 100%); padding-top: 54px; }
.shot-wrap { position: relative; }
.shot-wrap img { width: 100%; height: 430px; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.burst {
 position: absolute; top: 18px; right: 18px; width: 112px; height: 112px; border-radius: 50%;
 display: grid; place-items: center; text-align: center; padding: 10px;
 background: var(--gold); color: #fff; font-weight: 800; line-height: 1.25; font-size: 14px;
 box-shadow: 0 12px 28px rgba(182,137,61,.35); transform: rotate(8deg);
}
.meta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.meta-pill { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; color: var(--navy); font-weight: 600; font-size: 14px; box-shadow: var(--shadow-soft); }
.time-rail { border-left: 3px solid #d5e3f0; margin-left: 10px; padding-left: 28px; display: flex; flex-direction: column; gap: 16px; }
.time-card { position: relative; }
.time-card::before {
 content: ""; width: 14px; height: 14px; border-radius: 50%; background: var(--blue);
 border: 3px solid #fff; box-shadow: 0 0 0 2px #b9d2ee; position: absolute; left: -38px; top: 26px;
}
.ver-code { color: var(--blue); font-weight: 800; font-size: 13px; letter-spacing: .04em; }
.check-list { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; list-style: none; color: var(--ink); }
.check-list { padding: 0; }
.check-list i { color: var(--ok); margin-top: 4px; }
.focus-photo { width: 100%; height: 100%; min-height: 360px; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.module-tile {
 background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px;
 box-shadow: var(--shadow-soft); min-height: 180px;
 transition: transform .2s ease, box-shadow .2s ease;
}
.module-tile:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.module-ico {
 width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
 background: var(--sky); color: var(--blue-deep); margin-bottom: 12px; font-size: 18px;
}
.rank-row {
 display: grid; grid-template-columns: 72px 1fr auto; gap: 16px; align-items: center;
 background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 16px 18px;
 box-shadow: var(--shadow-soft);
}
.medal { width: 72px; height: 72px; border-radius: 18px; display: grid; place-items: center; font-weight: 800; color: #8a6424; background: var(--gold-soft); }
.medal.m1 { background: #f8e7b8; }
.medal.m2 { background: #e7eef6; color: var(--blue-deep); }
.medal.m3 { background: #f6ebe3; color: #8a5a3a; }
.rank-score { font-weight: 800; color: var(--navy); font-size: 22px; }
.sync-band {
 position: relative; color: #fff; overflow: hidden;
 background:
 linear-gradient(100deg, rgba(16,40,68,.92), rgba(22,74,134,.82)),
 url("/assets/images/5cdd4ea491c4b766.jpg") center/cover no-repeat;
}
.sync-band h2, .sync-band h3 { color: #fff; }
.sync-band p { color: #d5e4f4; }
.sync-photo { width: 100%; height: 360px; object-fit: cover; border-radius: 28px; border: 4px solid rgba(255,255,255,.2); }
.stat { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 18px; padding: 16px; }
.stat strong { display: block; font-size: 28px; color: #fff; letter-spacing: -0.03em; }
.request-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-weight: 700; color: var(--navy); font-size: 14px; }
.field input, .field select, .field textarea {
 width: 100%; min-height: 48px; border-radius: 14px; border: 1px solid var(--line);
 padding: 12px 14px; background: #fff; color: var(--ink);
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid #8eb7e8; border-color: var(--blue); }
.form-note { background: #e7f6f2; color: var(--ok); border-radius: 14px; padding: 12px 14px; font-weight: 700; }
.assure { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.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(16,40,68,.08); backdrop-filter: blur(12px);
}
.dock-bar { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock p { color: var(--navy); font-weight: 700; }
.icon-link { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--sky); color: var(--blue-deep); }
@media (max-width: 1024px) {
 .shot-wrap img, .focus-photo, .sync-photo { height: 320px; }
 .news-item { grid-template-columns: 180px 1fr; }
 .news-item .icon-link { display: none; }
 .request-grid, .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
 section { padding: 64px 0; }
 .rank-row { grid-template-columns: 60px 1fr; }
 .rank-score { grid-column: 2; }
 .news-item { grid-template-columns: 1fr; }
 .news-item img { width: 100%; height: 180px; }
 .dock p { font-size: 14px; }
}
@media (max-width: 520px) {
 .wrap { width: min(var(--wrap), calc(100% - 28px)); }
 .btn .full { display: none; }
 .btn .short { display: inline; }
 .logo { font-size: 15px; }
 .shot-wrap img, .focus-photo, .sync-photo { height: 240px; }
 .burst { width: 88px; height: 88px; font-size: 12px; }
 .time-rail { padding-left: 20px; }
 .time-card::before { left: -30px; }
 .dock-bar { min-height: 84px; }
}

/* roulang page: category3 */
:root {
 --navy: #102844;
 --blue: #1f5fa8;
 --blue-deep: #164a86;
 --sky: #e7f1fb;
 --mist: #f4f8fc;
 --paper: #ffffff;
 --ink: #1a3148;
 --muted: #5d728c;
 --line: #d5e3f0;
 --gold: #b6893d;
 --gold-soft: #f8f1e3;
 --ok: #1c7d68;
 --shadow: 0 18px 46px rgba(16, 58, 104, 0.1);
 --shadow-soft: 0 10px 28px rgba(16, 58, 104, 0.07);
 --radius: 22px;
 --radius-sm: 14px;
 --wrap: 1180px;
 --header: 78px;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
 color: var(--ink);
 background: var(--mist);
 line-height: 1.7;
 font-size: 16.5px;
 padding-bottom: 92px;
}
img { max-width: 100%; display: block; height: auto; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky; top: 0; z-index: 50;
 height: var(--header);
 background: rgba(255,255,255,.92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(213,227,240,.9);
 box-shadow: 0 8px 24px rgba(16,40,68,.04);
}
.header-bar { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo {
 display: flex; align-items: center; gap: 12px;
 font-weight: 800; color: var(--navy); letter-spacing: -0.03em;
 font-size: 18px; min-width: 0;
}
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px; flex: 0 0 auto;
 display: grid; place-items: center; color: #fff;
 background: linear-gradient(145deg, #2d78cb, #143e78);
 box-shadow: 0 8px 18px rgba(31,95,168,.28);
}
.logo span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 10px;
 min-height: 48px; padding: 0 18px; border-radius: 999px;
 border: 1px solid transparent; font-weight: 700; cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .play-btn:focus-visible, .rail-btn:focus-visible, .icon-link:focus-visible, input:focus-visible {
 outline: 3px solid #8eb7e8; outline-offset: 3px;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,168,.25); }
.btn-primary:hover { background: var(--blue-deep); }
.btn-ghost { background: rgba(255,255,255,.78); color: var(--navy); border-color: rgba(255,255,255,.9); }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c5d8ee; }
.btn-line:hover { border-color: var(--blue); box-shadow: var(--shadow-soft); }
.btn .short { display: none; }
section { padding: 84px 0; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head p, .prose { color: var(--muted); margin-top: 12px; }
.card {
 background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
 box-shadow: var(--shadow); padding: 22px;
}
.card:hover { box-shadow: 0 22px 50px rgba(16,58,104,.13); }
.badge {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700;
 background: var(--sky); color: var(--blue-deep); margin-bottom: 10px;
}
.badge-gold { background: var(--gold-soft); color: #8a6424; }
.badge-ok { background: #e5f6f1; color: var(--ok); }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
 display: grid; grid-template-columns: 210px 1fr; gap: 16px; align-items: center;
 background: #fff; border-radius: 20px; padding: 12px; border: 1px solid var(--line); box-shadow: var(--shadow-soft);
}
.news-item img { width: 210px; height: 132px; object-fit: cover; border-radius: 14px; }
.row-card {
 display: grid; grid-template-columns: 86px 1fr auto; gap: 8px 18px; align-items: center;
 background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px;
 box-shadow: var(--shadow-soft);
}
.row-card strong { display: block; color: var(--navy); }
.row-card p { color: var(--muted); margin-top: 4px; }
.index-pill { width: 86px; height: 64px; border-radius: 16px; display: grid; place-items: center; background: var(--sky); color: var(--blue-deep); font-weight: 800; }
.site-footer { background: var(--navy); color: #d5e3f2; padding: 48px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 280px 1fr; gap: 28px; align-items: start; }
.site-footer .logo { color: #fff; }
.site-footer p { color: #c5d4e6; }
.copy { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); font-size: 14px; color: #9eb4cb; }
.page-hero {
 position: relative;
 background:
  linear-gradient(100deg, rgba(244,248,252,.96) 0%, rgba(244,248,252,.92) 46%, rgba(231,241,251,.78) 100%),
  url("/assets/images/82ca6070ca7c1131.webp");
 background-size: cover; background-position: center;
}
.page-hero .wrap { display: grid; grid-template-columns: 1.12fr .88fr; gap: 36px; align-items: center; }
h1 { font-size: clamp(34px, 4.4vw, 54px); line-height: 1.16; letter-spacing: -0.04em; color: var(--navy); font-weight: 800; }
h2 { font-size: clamp(28px, 3vw, 38px); line-height: 1.22; letter-spacing: -0.03em; color: var(--navy); font-weight: 800; }
h3 { font-size: 18px; color: var(--navy); font-weight: 750; letter-spacing: -0.02em; }
.lead { margin-top: 16px; font-size: 18px; color: var(--ink); max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.trust-row span {
 display: inline-flex; align-items: center; gap: 8px;
 background: rgba(255,255,255,.82); border: 1px solid var(--line);
 border-radius: 999px; padding: 8px 12px; color: var(--blue-deep); font-weight: 600; font-size: 14px;
}
.hero-panel { position: relative; }
.hero-panel img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.stat-float {
 position: absolute; left: 18px; right: 18px; bottom: 18px;
 display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
}
.stat-float div {
 background: rgba(255,255,255,.94); border-radius: 16px; padding: 12px;
 border: 1px solid rgba(213,227,240,.9); box-shadow: var(--shadow-soft);
}
.stat-float strong { display: block; color: var(--navy); font-size: 22px; letter-spacing: -0.04em; }
.stat-float span { color: var(--muted); font-size: 13px; }
.band-white { background: #fff; }
.band-sky { background: linear-gradient(180deg, #fff 0%, var(--sky) 100%); }
.check-board { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.check-list { display: flex; flex-direction: column; gap: 12px; }
.check-item {
 display: grid; grid-template-columns: 54px 1fr; gap: 14px;
 background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px;
 box-shadow: var(--shadow-soft);
}
.check-item i {
 width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
 background: var(--sky); color: var(--blue); font-size: 20px;
}
.check-item p { color: var(--muted); margin-top: 4px; }
.side-note { background: var(--navy); color: #e7eef6; border-radius: 28px; padding: 28px; min-height: 100%; box-shadow: var(--shadow); }
.side-note p { color: #c9d7e8; margin-top: 12px; }
.side-note ul { margin: 18px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.side-note li { display: flex; gap: 10px; align-items: flex-start; }
.layer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.layer {
 display: grid; grid-template-columns: 64px 1fr; gap: 14px; align-items: start;
 background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
 box-shadow: var(--shadow-soft); transition: transform .2s ease, box-shadow .2s ease;
}
.layer:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.layer i { width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; background: var(--gold-soft); color: var(--gold); font-size: 22px; }
.layer p { color: var(--muted); margin-top: 6px; }
.timeline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0; }
.timeline li {
 display: grid; grid-template-columns: 140px 28px 1fr; gap: 16px;
 padding: 0 0 22px;
}
.time-mark { font-weight: 800; color: var(--blue-deep); }
.rail { position: relative; }
.rail::before {
 content: ""; position: absolute; left: 50%; top: 8px; bottom: -22px; width: 2px; background: #c5d8ee; transform: translateX(-50%);
}
.timeline li:last-child .rail::before { display: none; }
.rail span {
 position: relative; z-index: 1; width: 16px; height: 16px; border-radius: 50%;
 display: block; margin: 6px auto 0; background: #fff; border: 4px solid var(--blue);
}
.time-body { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.time-body p { color: var(--muted); margin-top: 6px; }
.status-list { display: flex; flex-direction: column; gap: 12px; }
.status-tag { font-size: 13px; font-weight: 800; border-radius: 999px; padding: 6px 10px; white-space: nowrap; }
.tag-ready { background: #e5f6f1; color: var(--ok); }
.tag-wait { background: var(--gold-soft); color: #8a6424; }
.tag-hold { background: var(--sky); color: var(--blue-deep); }
.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 28px; align-items: center; }
.split img { width: 100%; height: 420px; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.compare article { border-radius: 18px; padding: 16px; border: 1px solid var(--line); }
.compare .yes { background: #f3fbf8; }
.compare .no { background: #fff8ef; }
.compare ul { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.assure {
 display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: stretch;
 background: #fff; border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); overflow: hidden;
}
.assure-copy { padding: 32px; }
.assure-form { background: var(--sky); padding: 32px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; font-weight: 650; color: var(--navy); }
.field input {
 height: 52px; border-radius: 14px; border: 1px solid #c5d8ee; padding: 0 14px; background: #fff; color: var(--ink); font-size: 16px;
}
.form-note { margin-top: 14px; background: #fff; border-radius: 14px; padding: 12px 14px; color: var(--ok); font-weight: 650; border: 1px solid #b7e4d8; }
.guard { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.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(16,40,68,.08); backdrop-filter: blur(12px);
}
.dock .wrap { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock strong { color: var(--navy); display: block; }
.dock p { color: var(--muted); font-size: 14px; }
@media (max-width: 1024px) {
 .page-hero .wrap, .check-board, .split, .assure, .footer-grid { grid-template-columns: 1fr; }
 .hero-panel img, .split img { height: 360px; }
 .timeline li { grid-template-columns: 110px 24px 1fr; }
}
@media (max-width: 768px) {
 section { padding: 64px 0; }
 .layer-grid, .compare, .stat-float { grid-template-columns: 1fr 1fr; }
 .news-item { grid-template-columns: 1fr; }
 .news-item img { width: 100%; height: 190px; }
 .row-card { grid-template-columns: 70px 1fr; }
 .status-tag { grid-column: 2; justify-self: start; }
 .index-pill { width: 70px; }
 .timeline li { grid-template-columns: 24px 1fr; }
 .time-mark { grid-column: 2; }
}
@media (max-width: 520px) {
 .wrap { width: min(var(--wrap), calc(100% - 28px)); }
 .logo { font-size: 15px; }
 .btn .full { display: none; }
 .btn .short { display: inline; }
 .stat-float, .layer-grid, .compare { grid-template-columns: 1fr; }
 .hero-panel img, .split img { height: 250px; }
 .dock p { display: none; }
 .check-item, .layer { grid-template-columns: 46px 1fr; }
 .check-item i, .layer i { width: 46px; height: 46px; border-radius: 14px; }
 h1 { font-size: 32px; }
}

/* roulang page: category5 */
:root {
 --navy: #102844;
 --blue: #1f5fa8;
 --blue-deep: #164a86;
 --sky: #e7f1fb;
 --mist: #f4f8fc;
 --paper: #ffffff;
 --ink: #1a3148;
 --muted: #5d728c;
 --line: #d5e3f0;
 --gold: #b6893d;
 --gold-soft: #f8f1e3;
 --ok: #1c7d68;
 --shadow: 0 18px 46px rgba(16, 58, 104, 0.1);
 --shadow-soft: 0 10px 28px rgba(16, 58, 104, 0.07);
 --radius: 22px;
 --radius-sm: 14px;
 --wrap: 1180px;
 --header: 78px;
}
/* roulang page: category5 */
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: var(--mist);
 line-height: 1.7;
 font-size: 16.5px;
 padding-bottom: 92px;
}
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { color: var(--navy); line-height: 1.25; letter-spacing: -0.03em; margin: 0; }
h1 { font-size: clamp(34px, 4.4vw, 54px); font-weight: 800; }
h2 { font-size: clamp(28px, 3vw, 38px); font-weight: 800; }
h3 { font-size: 20px; font-weight: 750; font-weight: 700; }
p { margin: 0; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky; top: 0; z-index: 50;
 height: var(--header);
 background: rgba(255,255,255,.92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(213,227,240,.9);
 box-shadow: 0 8px 24px rgba(16,40,68,.04);
}
.header-bar { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo {
 display: flex; align-items: center; gap: 12px;
 font-weight: 800; color: var(--navy); letter-spacing: -0.03em;
 font-size: 18px; min-width: 0;
}
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px; flex: 0 0 auto;
 display: grid; place-items: center; color: #fff;
 background: linear-gradient(145deg, #2d78cb, #143e78);
 box-shadow: 0 8px 18px rgba(31,95,168,.28);
}
.logo span:last-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo[aria-current="page"] .logo-mark { outline: 3px solid #d7e8fa; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 10px;
 min-height: 48px; padding: 0 18px; border-radius: 999px;
 border: 1px solid transparent; font-weight: 700; cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .icon-link:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 3px solid #8eb7e8; outline-offset: 3px;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,168,.25); }
.btn-primary:hover { background: var(--blue-deep); }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c5d8ee; }
.btn-line:hover { border-color: var(--blue); box-shadow: var(--shadow-soft); }
.btn .short { display: none; }
.btn[disabled] { opacity: .65; cursor: default; transform: none; }
section { padding: 84px 0; }
.lead { margin-top: 18px; color: var(--ink); font-size: 17.5px; max-width: 680px; }
.card {
 background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
 box-shadow: var(--shadow); padding: 22px;
}
.card:hover { box-shadow: 0 22px 50px rgba(16,58,104,.13); }
.badge {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700;
 background: var(--sky); color: var(--blue-deep); margin-bottom: 10px;
}
.badge-gold { background: var(--gold-soft); color: #8a6424; }
.badge-ok { background: #e5f6f1; color: var(--ok); }
.site-footer { background: var(--navy); color: #d5e4f4; padding: 42px 0 28px; }
.site-footer .logo { color: #fff; }
.footer-grid { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.site-footer .footer-grid p { color: #c5d4e6; max-width: 760px; }
.copy { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); font-size: 14px; color: #9fb4cc; }
.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(16,40,68,.08);
 padding: 12px 0;
}
.dock-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock p { margin: 0; font-weight: 700; color: var(--navy); }
.release-mast {
 background:
  linear-gradient(105deg, rgba(244,248,252,.96) 0%, rgba(244,248,252,.92) 48%, rgba(231,241,251,.84) 100%),
  url("/assets/images/89b7f0507c38cfb3.webp") center/cover no-repeat;
}
.mast-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 36px; align-items: center; }
.kicker { color: var(--blue); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; margin-bottom: 12px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.chip {
 display: inline-flex; align-items: center; gap: 8px;
 background: #fff; color: var(--navy); border: 1px solid var(--line);
 border-radius: 999px; padding: 8px 12px; font-weight: 600; font-size: 14px;
 box-shadow: var(--shadow-soft);
}
.fact-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 26px; }
.fact {
 background: rgba(255,255,255,.88); border: 1px solid var(--line); border-radius: 18px;
 padding: 14px 14px 12px; box-shadow: var(--shadow-soft);
}
.fact strong { display: block; color: var(--navy); font-size: 26px; letter-spacing: -0.04em; line-height: 1.1; }
.fact span { color: var(--muted); font-size: 13px; }
.mast-photo { position: relative; }
.mast-photo img {
 width: 100%; height: 460px; object-fit: cover; border-radius: 28px;
 box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.8);
}
.photo-cap {
 position: absolute; left: 16px; right: 16px; bottom: 16px;
 background: rgba(16,40,68,.88); color: #fff; border-radius: 16px; padding: 14px 16px;
}
.photo-cap b { display: block; font-size: 15px; }
.photo-cap span { color: #d5e4f4; font-size: 13px; }
.band-white { background: #fff; }
.band-mist { background: var(--mist); }
.band-sky { background: linear-gradient(180deg, #e7f1fb 0%, #f7fbfe 100%); }
.split-head { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: end; margin-bottom: 28px; }
.split-head p, .muted { color: var(--muted); }
.timeline { display: flex; flex-direction: column; gap: 0; position: relative; }
.timeline::before {
 content: ""; position: absolute; left: 92px; top: 8px; bottom: 8px; width: 2px;
 background: linear-gradient(#c5d8ee, #8eb4df);
}
.tl-item {
 display: grid; grid-template-columns: 92px 28px 1fr; gap: 0 14px; align-items: start;
 padding: 8px 0 22px;
}
.tl-date { color: var(--blue-deep); font-weight: 800; font-size: 14px; padding-top: 16px; }
.tl-dot {
 width: 16px; height: 16px; border-radius: 50%; margin-top: 20px; margin-left: 6px;
 background: #fff; border: 4px solid var(--blue); box-shadow: 0 0 0 6px #e7f1fb; position: relative; z-index: 1;
}
.tl-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px 20px; box-shadow: var(--shadow-soft); }
.tl-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); transition: .2s ease; }
.tl-card p { color: var(--muted); margin-top: 8px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-card { min-height: 100%; display: flex; flex-direction: column; gap: 8px; }
.compare-card.recommended { background: linear-gradient(180deg, #fff 0%, #f8f1e3 100%); border-color: #ead7b0; }
.clean { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-direction: column; gap: 10px; }
.clean li { display: flex; gap: 10px; align-items: flex-start; }
.clean i { color: var(--ok); margin-top: 4px; }
.score-list { display: flex; flex-direction: column; gap: 12px; }
.score-row {
 display: grid; grid-template-columns: 74px 1fr 120px; gap: 16px; align-items: center;
 background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 16px 18px;
 box-shadow: var(--shadow-soft); transition: transform .2s ease, box-shadow .2s ease;
}
.score-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.rank-no {
 width: 74px; height: 64px; border-radius: 16px; display: grid; place-items: center;
 background: var(--sky); color: var(--blue-deep); font-weight: 800; font-size: 20px;
}
.score-row p { color: var(--muted); margin-top: 4px; }
.score-num { text-align: right; }
.score-num strong { display: block; font-size: 32px; color: var(--navy); letter-spacing: -0.04em; line-height: 1; }
.score-num span { color: var(--muted); font-size: 12px; font-weight: 700; }
.check-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 28px; align-items: start; }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.check-item {
 background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px;
 box-shadow: var(--shadow-soft); min-height: 180px;
}
.check-item i {
 width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
 background: var(--sky); color: var(--blue); margin-bottom: 12px;
}
.check-item p { color: var(--muted); margin-top: 8px; }
.sync-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 28px; align-items: center; }
.sync-grid img { width: 100%; height: 420px; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.sync-points { display: grid; gap: 12px; margin-top: 18px; }
.point {
 display: grid; grid-template-columns: 46px 1fr; gap: 12px; align-items: start;
 background: var(--mist); border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px;
}
.point b { display: block; color: var(--navy); }
.point span { color: var(--muted); font-size: 14.5px; }
.point i { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: #fff; color: var(--blue); }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
 display: grid; grid-template-columns: 210px 1fr auto; gap: 16px; align-items: center;
 background: #fff; border-radius: 20px; padding: 12px; border: 1px solid var(--line); box-shadow: var(--shadow-soft);
}
.news-item img { width: 210px; height: 132px; object-fit: cover; border-radius: 14px; }
.news-item p { color: var(--muted); margin-top: 6px; }
.tag {
 display: inline-flex; align-items: center; border-radius: 999px; padding: 6px 10px;
 background: var(--sky); color: var(--blue-deep); font-size: 12px; font-weight: 800; white-space: nowrap;
}
.receive-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: stretch; }
.guarantee { display: flex; flex-direction: column; gap: 12px; }
.guarantee article { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.guarantee p { color: var(--muted); margin-top: 6px; }
.form-card h2 { margin-bottom: 8px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.wide { grid-column: 1 / -1; }
.field span { font-weight: 700; color: var(--navy); font-size: 14px; }
.field input, .field select, .field textarea {
 width: 100%; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--ink);
 min-height: 48px; padding: 12px 14px;
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); }
.form-note {
 margin-top: 12px; background: #e5f6f1; color: #13584a; border-radius: 14px; padding: 12px 14px; font-weight: 700;
}
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
@media (max-width: 1024px) {
 .mast-grid, .split-head, .compare-grid, .check-layout, .sync-grid, .receive-grid { grid-template-columns: 1fr; }
 .fact-row { grid-template-columns: 1fr 1fr; }
 .mast-photo img, .sync-grid img { height: 320px; }
 .timeline::before { left: 18px; }
 .tl-item { grid-template-columns: 28px 1fr; }
 .tl-date { grid-column: 2; padding-top: 0; }
 .tl-dot { grid-row: 1; grid-column: 1; margin-left: 10px; }
 .tl-card { grid-column: 2; }
}
@media (max-width: 768px) {
 .btn .full { display: none; }
 .btn .short { display: inline; }
 section { padding: 62px 0; }
 .news-item { grid-template-columns: 1fr; }
 .news-item img { width: 100%; height: 190px; }
 .score-row { grid-template-columns: 64px 1fr; }
 .score-num { grid-column: 2; text-align: left; }
 .check-list, .form-grid { grid-template-columns: 1fr; }
 .dock-inner { align-items: stretch; flex-direction: column; }
 .logo { font-size: 15px; max-width: 62vw; }
}
@media (max-width: 520px) {
 .wrap { width: min(var(--wrap), calc(100% - 28px)); }
 .fact-row { grid-template-columns: 1fr; }
 h1 { font-size: 32px; }
 .header-bar .btn { min-height: 42px; padding: 0 12px; }
 .mast-photo img, .sync-grid img { height: 230px; border-radius: 18px; }
 .photo-cap { left: 10px; right: 10px; bottom: 10px; }
 body { padding-bottom: 124px; }
}

/* roulang page: category6 */
:root {
 --navy: #102844;
 --blue: #1f5fa8;
 --blue-deep: #164a86;
 --sky: #e7f1fb;
 --mist: #f4f8fc;
 --paper: #ffffff;
 --ink: #1a3148;
 --muted: #5d728c;
 --line: #d5e3f0;
 --gold: #b6893d;
 --gold-soft: #f8f1e3;
 --ok: #1c7d68;
 --shadow: 0 18px 46px rgba(16, 58, 104, 0.1);
 --shadow-soft: 0 10px 28px rgba(16, 58, 104, 0.07);
 --radius: 22px;
 --radius-sm: 14px;
 --wrap: 1180px;
 --header: 78px;
}
/* roulang page: category6 */
:root {
 --navy: #102844;
 --blue: #1f5fa8;
 --blue-deep: #164a86;
 --sky: #e7f1fb;
 --mist: #f4f8fc;
 --paper: #ffffff;
 --ink: #1a3148;
 --muted: #5d728c;
 --line: #d5e3f0;
 --gold: #b6893d;
 --gold-soft: #f8f1e3;
 --ok: #1c7d68;
 --shadow: 0 18px 46px rgba(16, 58, 104, 0.1);
 --shadow-soft: 0 10px 28px rgba(16, 58, 104, 0.07);
 --radius: 22px;
 --radius-sm: 14px;
 --wrap: 1180px;
 --header: 78px;
}
html { scroll-behavior: smooth; }
body.page {
 margin: 0;
 font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
 color: var(--ink);
 background: var(--mist);
 line-height: 1.7;
 font-size: 16.5px;
 padding-bottom: 92px;
}
.page img { max-width: 100%; display: block; height: auto; }
.page button, .page input { font-family: inherit; }
.page a { color: inherit; text-decoration: none; }
.page h1, .page h2, .page h3, .page p { margin: 0; }
.page h1 {
 font-size: clamp(32px, 4vw, 52px);
 line-height: 1.16;
 letter-spacing: -0.035em;
 color: var(--navy);
 font-weight: 800;
}
.page h2 {
 font-size: clamp(26px, 3vw, 36px);
 line-height: 1.22;
 letter-spacing: -0.03em;
 color: var(--navy);
 font-weight: 800;
}
.page h3 { font-size: 20px; line-height: 1.35; color: var(--navy); font-weight: 750; }
::selection { background: #cfe3f8; color: var(--navy); }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky; top: 0; z-index: 50;
 height: var(--header);
 background: rgba(255,255,255,.92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(213,227,240,.9);
 box-shadow: 0 8px 24px rgba(16,40,68,.04);
}
.header-bar { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo {
 display: flex; align-items: center; gap: 12px;
 font-weight: 800; color: var(--navy); letter-spacing: -0.03em;
 font-size: 18px; min-width: 0;
}
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px; flex: 0 0 auto;
 display: grid; place-items: center; color: #fff;
 background: linear-gradient(145deg, #2d78cb, #143e78);
 box-shadow: 0 8px 18px rgba(31,95,168,.28);
}
.logo span:last-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 10px;
 min-height: 48px; padding: 0 18px; border-radius: 999px;
 border: 1px solid transparent; font-weight: 700; cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .field input:focus-visible {
 outline: 3px solid #8eb7e8; outline-offset: 3px;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,168,.25); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--blue-deep); }
.btn-primary:active { background: #0f3f78; }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c5d8ee; }
.btn-line:hover { border-color: var(--blue); box-shadow: var(--shadow-soft); }
.btn .short { display: none; }
section { padding: 84px 0; }
section[id] { scroll-margin-top: 92px; }
.page-hero {
 position: relative;
 padding: 48px 0 62px;
 background:
  linear-gradient(105deg, rgba(244,248,252,.96) 0%, rgba(244,248,252,.9) 48%, rgba(16,40,68,.42) 100%),
  url("/assets/images/82ca6070ca7c1131.webp") center/cover no-repeat;
}
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.crumb a { color: var(--blue-deep); }
.crumb a:hover { text-decoration: underline; }
.mast { display: grid; grid-template-columns: 1.15fr .85fr; gap: 32px; align-items: center; }
.kicker {
 display: inline-flex; align-items: center; gap: 8px;
 background: #fff; color: var(--blue-deep); border: 1px solid var(--line);
 border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 700;
 box-shadow: var(--shadow-soft); margin-bottom: 16px;
}
.lead { margin-top: 16px; color: var(--ink); font-size: 17.5px; max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.meter-box { margin-top: 26px; max-width: 520px; background: rgba(255,255,255,.78); border: 1px solid var(--line); border-radius: 18px; padding: 14px 16px; box-shadow: var(--shadow-soft); }
.meter-top { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.meter { height: 10px; border-radius: 999px; background: #d7e6f5; overflow: hidden; }
.meter span { display: block; height: 100%; width: 86%; border-radius: inherit; background: linear-gradient(90deg, #1f5fa8, #3d8adf); }
.side-card { background: rgba(255,255,255,.94); border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); padding: 14px; }
.side-card img { width: 100%; height: 280px; object-fit: cover; border-radius: 18px; }
.side-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px 6px 6px; }
.side-meta strong { display: block; color: var(--navy); font-size: 16px; }
.side-meta span { color: var(--muted); font-size: 13px; }
.band-stats { background: #fff; }
.band-pack { background: var(--mist); }
.band-rank { background: #fff; }
.band-time { background: linear-gradient(180deg, #e7f1fb 0%, #f4f8fc 100%); }
.band-compare { background: #fff; }
.band-notes { background: var(--mist); }
.section-head { max-width: 740px; margin-bottom: 28px; }
.section-head p, .prose { color: var(--muted); margin-top: 12px; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat {
 background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
 box-shadow: var(--shadow-soft); padding: 22px 20px; min-height: 168px;
 transition: transform .2s ease, box-shadow .2s ease;
}
.stat:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.stat i { color: var(--blue); font-size: 18px; }
.stat b { display: block; margin: 14px 0 6px; font-size: 32px; letter-spacing: -0.04em; color: var(--navy); line-height: 1; }
.stat p { color: var(--muted); }
.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 34px; align-items: center; }
.shot-frame { margin: 0; background: #fff; border-radius: 28px; padding: 12px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.shot-frame img { width: 100%; height: 420px; object-fit: cover; border-radius: 20px; }
.shot-frame figcaption { color: var(--muted); font-size: 14px; font-weight: 600; padding: 12px 8px 4px; }
.check-list, .plain-list { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-direction: column; gap: 12px; }
.check-list li, .plain-list li {
 display: grid; grid-template-columns: 42px 1fr; gap: 12px; align-items: start;
 background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 14px;
 box-shadow: var(--shadow-soft);
}
.ico, .index-pill {
 width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center;
 background: var(--sky); color: var(--blue-deep); font-weight: 800;
}
.check-list h3, .plain-list h3 { font-size: 17px; }
.check-list p, .plain-list p { color: var(--muted); margin-top: 4px; }
.rank-list { display: flex; flex-direction: column; gap: 12px; }
.rank-row {
 display: grid; grid-template-columns: 74px 1.3fr .9fr auto; gap: 16px; align-items: center;
 background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 16px 18px;
 box-shadow: var(--shadow-soft); transition: border-color .2s ease, box-shadow .2s ease;
}
.rank-row:hover { border-color: #b7d0ea; box-shadow: var(--shadow); }
.medal {
 width: 74px; height: 64px; border-radius: 16px; display: grid; place-items: center;
 font-weight: 800; color: #8a6424; background: var(--gold-soft);
}
.medal.silver { color: #3e5872; background: #eef3f8; }
.medal.bronze { color: #7a4e32; background: #f8eee6; }
.medal.blue { color: var(--blue-deep); background: var(--sky); }
.rank-row p { color: var(--muted); }
.pill { display: inline-flex; align-items: center; border-radius: 999px; padding: 6px 11px; font-size: 12.5px; font-weight: 800; white-space: nowrap; }
.pill-ok { background: #e5f6f1; color: var(--ok); }
.pill-wait { background: var(--gold-soft); color: #8a6424; }
.pill-hold { background: #fdeeee; color: #9a3b3b; }
.pill-sync { background: var(--sky); color: var(--blue-deep); }
.time-list { position: relative; display: flex; flex-direction: column; gap: 14px; }
.time-list::before {
 content: ""; position: absolute; left: 21px; top: 12px; bottom: 12px; width: 2px; background: #c5d8ee;
}
.time-item { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start; }
.dot {
 width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
 background: #fff; border: 2px solid var(--blue); color: var(--blue-deep); font-weight: 800;
 position: relative; z-index: 1; box-shadow: 0 6px 16px rgba(31,95,168,.12);
}
.time-item article { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.time-item p { color: var(--muted); margin-top: 6px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.col-old, .col-new { border-radius: var(--radius); padding: 24px; }
.col-old { background: #f7fafc; border: 1px solid var(--line); }
.col-new { background: #fff; border: 2px solid #b7d0ea; box-shadow: var(--shadow); }
.badge {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700;
 background: var(--sky); color: var(--blue-deep); margin-bottom: 10px;
}
.badge-gold { background: var(--gold-soft); color: #8a6424; }
.plain-list.tight li { background: transparent; box-shadow: none; padding: 0; border: 0; grid-template-columns: 28px 1fr; }
.mark {
 width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
 background: var(--sky); color: var(--blue-deep); font-size: 13px;
}
.col-new .mark { background: #e5f6f1; color: var(--ok); }
.band-proof {
 background:
  linear-gradient(110deg, rgba(16,40,68,.94), rgba(20,62,112,.88)),
  url("/assets/images/5cdd4ea491c4b766.jpg") center/cover no-repeat;
 color: #fff;
}
.band-proof h2, .band-proof h3 { color: #fff; }
.proof-grid { display: grid; grid-template-columns: 1.35fr .75fr; gap: 22px; align-items: stretch; }
.quote-panel { border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.06); border-radius: 28px; padding: 28px; }
.quote-panel i { color: #e7c27a; font-size: 28px; }
.quote-panel q { display: block; margin-top: 16px; font-size: clamp(22px, 2.4vw, 30px); line-height: 1.35; font-weight: 750; letter-spacing: -0.03em; }
.quote-panel p { margin-top: 16px; color: #d5e3f2; }
.fact-stack { display: flex; flex-direction: column; gap: 12px; }
.fact {
 background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
 border-radius: 18px; padding: 16px 18px;
}
.fact b { display: block; font-size: 26px; letter-spacing: -0.04em; }
.fact span { color: #d5e3f2; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
 display: grid; grid-template-columns: 230px 1fr; gap: 16px; align-items: center;
 background: #fff; border-radius: 20px; padding: 12px; border: 1px solid var(--line); box-shadow: var(--shadow-soft);
 transition: transform .2s ease, box-shadow .2s ease;
}
.news-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.news-item img { width: 230px; height: 148px; object-fit: cover; border-radius: 14px; }
.news-item p { color: var(--muted); margin-top: 6px; }
.band-cta {
 background:
  linear-gradient(100deg, rgba(16,40,68,.93), rgba(22,74,134,.8)),
  url("/assets/images/c1ca04b90d5fe46d.webp") center/cover no-repeat;
 color: #fff;
}
.band-cta h2 { color: #fff; }
.band-cta .lead { color: #e4eef8; }
.cta-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.assure { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.assure span {
 border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.08);
 color: #fff; border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 650;
}
.track-card { background: #fff; color: var(--ink); border-radius: 28px; padding: 22px; box-shadow: var(--shadow); }
.track-card h3 { margin-bottom: 6px; }
.track-card .hint { color: var(--muted); margin-bottom: 14px; }
.track-form { display: grid; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-weight: 700; color: var(--navy); font-size: 14px; }
.field input {
 min-height: 48px; border-radius: 14px; border: 1px solid var(--line);
 padding: 0 14px; background: #fff; color: var(--ink); width: 100%;
}
.field input:hover { border-color: #b7d0ea; }
.form-note { margin-top: 4px; border-radius: 12px; padding: 10px 12px; font-weight: 650; }
.form-note[hidden] { display: none; }
.form-note.ok { background: #e5f6f1; color: var(--ok); }
.form-note.bad { background: #fdeeee; color: #9a3b3b; }
.site-footer { background: var(--navy); color: #d5e4f2; padding: 42px 0 36px; }
.site-footer .logo { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 300px 1fr; gap: 28px; align-items: start; }
.site-footer p { color: #c5d4e6; }
.copy { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); font-size: 14px; color: #9fb3c8; }
.dock {
 position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
 background: rgba(255,255,255,.96); border-top: 1px solid var(--line);
 box-shadow: 0 -10px 30px rgba(16,40,68,.08); backdrop-filter: blur(12px);
}
.dock-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.dock p { margin: 0; font-weight: 750; color: var(--navy); }
@media (max-width: 1024px) {
 .mast, .split, .proof-grid, .cta-grid, .compare-grid, .footer-grid { grid-template-columns: 1fr; }
 .stat-row { grid-template-columns: 1fr 1fr; }
 .shot-frame img { height: 320px; }
 .rank-row { grid-template-columns: 74px 1fr; }
 .rank-row .pill { grid-column: 2; justify-self: start; }
}
@media (max-width: 768px) {
 section { padding: 64px 0; }
 .news-item { grid-template-columns: 1fr; }
 .news-item img { width: 100%; height: 200px; }
 .side-card img { height: 220px; }
 .page h1 { font-size: 34px; }
}
@media (max-width: 640px) {
 .btn .full { display: none; }
 .btn .short { display: inline; }
}
@media (max-width: 520px) {
 .wrap { width: min(var(--wrap), calc(100% - 28px)); }
 .logo { font-size: 14.5px; gap: 8px; }
 .logo-mark { width: 36px; height: 36px; border-radius: 11px; }
 .stat-row, .side-meta { grid-template-columns: 1fr; }
 .hero-actions .btn, .dock .btn, .track-form .btn { width: 100%; }
 .rank-row { grid-template-columns: 1fr; }
 .medal { width: 64px; height: 48px; }
 .dock-inner { flex-direction: column; align-items: stretch; padding: 10px 0; }
 body.page { padding-bottom: 128px; }
 .time-list::before { left: 17px; }
}

/* roulang page: category7 */
:root {
  --navy: #102844;
  --blue: #1f5fa8;
  --blue-deep: #164a86;
  --sky: #e7f1fb;
  --mist: #f4f8fc;
  --paper: #ffffff;
  --ink: #1a3148;
  --muted: #5d728c;
  --line: #d5e3f0;
  --gold: #b6893d;
  --gold-soft: #f8f1e3;
  --ok: #1c7d68;
  --shadow: 0 18px 46px rgba(16, 58, 104, 0.1);
  --shadow-soft: 0 10px 28px rgba(16, 58, 104, 0.07);
  --radius: 22px;
  --radius-sm: 14px;
  --wrap: 1180px;
  --header: 78px;
}
/* roulang page: category7 */
html { scroll-behavior: smooth; }
body.page-release {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--mist);
  line-height: 1.7;
  font-size: 16.5px;
  padding-bottom: 92px;
}
img { max-width: 100%; display: block; height: auto; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(213,227,240,.9);
  box-shadow: 0 8px 24px rgba(16,40,68,.04);
}
.header-bar { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo {
  display: flex; align-items: center; gap: 12px;
  font-weight: 800; color: var(--navy); letter-spacing: -0.03em;
  font-size: 18px; min-width: 0;
}
.logo-mark {
  width: 42px; height: 42px; border-radius: 13px; flex: 0 0 auto;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(145deg, #2d78cb, #143e78);
  box-shadow: 0 8px 18px rgba(31,95,168,.28);
}
.logo span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo > span:last-child { min-width: 0; }
.logo:hover { color: var(--blue-deep); }
.logo[aria-current="page"] .logo-mark { outline: 3px solid #d7e8fa; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 18px; border-radius: 999px;
  border: 1px solid transparent; font-weight: 700; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .play-btn:focus-visible, .rail-btn:focus-visible, .icon-link:focus-visible, .choice:focus-visible, summary:focus-visible {
  outline: 3px solid #8eb7e8; outline-offset: 3px;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,168,.25); }
.btn-primary:hover { background: var(--blue-deep); }
.btn-ghost { background: rgba(255,255,255,.78); color: var(--navy); border-color: rgba(255,255,255,.9); }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c5d8ee; }
.btn-line:hover { border-color: var(--blue); box-shadow: var(--shadow-soft); }
.btn .short { display: none; }
.hero-video {
  position: relative; min-height: 760px;
  background-image:
    linear-gradient(100deg, rgba(244,248,252,.95) 0%, rgba(244,248,252,.88) 38%, rgba(16,40,68,.28) 100%),
    url("/assets/images/2a491a7cb5f8b12a.webp");
  background-size: cover; background-position: center;
  display: flex; align-items: center;
}
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 30px; align-items: center; padding: 72px 0; }
.lead { margin-top: 18px; color: var(--ink); font-size: 17.5px; max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.play-btn {
  width: 112px; height: 112px; border-radius: 50%; border: 0; cursor: pointer;
  background: #fff; color: var(--blue); font-size: 28px;
  box-shadow: 0 16px 40px rgba(16,40,68,.22);
  transition: transform .2s ease, box-shadow .2s ease;
}
.play-btn:hover { transform: scale(1.06); box-shadow: 0 20px 46px rgba(16,40,68,.28); }
section { padding: 84px 0; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head p, .prose { color: var(--muted); margin-top: 12px; }
h1 { font-size: 52px; line-height: 1.12; letter-spacing: -0.045em; color: var(--navy); }
h2 { font-size: 34px; line-height: 1.22; letter-spacing: -0.03em; color: var(--navy); }
h3 { font-size: 20px; line-height: 1.35; color: var(--navy); }
.problem-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 34px; align-items: start; }
.pain-list { display: flex; flex-direction: column; gap: 14px; }
.pain-item {
  display: grid; grid-template-columns: 64px 1fr; gap: 14px; align-items: start;
  background: var(--mist); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 22px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { box-shadow: 0 22px 50px rgba(16,58,104,.13); }
.feature-card { min-height: 100%; display: flex; flex-direction: column; }
.feature-card img { width: 100%; height: 250px; object-fit: cover; border-radius: 16px; margin-bottom: 16px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700;
  background: var(--sky); color: var(--blue-deep); margin-bottom: 10px;
}
.badge-gold { background: var(--gold-soft); color: #8a6424; }
.demo .section-head p { color: #c5d4e6; }
.rail-nav { display: flex; gap: 8px; }
.rail-btn {
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.08); color: #fff; cursor: pointer;
}
.rail-btn:hover { background: #fff; color: var(--navy); }
.shot img { width: 100%; height: 190px; object-fit: cover; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.stat-grid div { background: var(--mist); border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; }
.stat-grid strong { display: block; color: var(--navy); font-size: 22px; letter-spacing: -0.03em; }
.stat-grid span { color: var(--muted); font-size: 13px; }
.photo-frame img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.row-card {
  display: grid; grid-template-columns: 86px 1fr; gap: 8px 18px;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px;
  box-shadow: var(--shadow-soft); transition: transform .2s ease, box-shadow .2s ease;
}
.row-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.row-card strong { grid-column: 2; color: var(--navy); }
.row-card p { grid-column: 2; color: var(--muted); }
.index-pill { grid-row: 1 / span 2; width: 86px; height: 64px; border-radius: 16px; display: grid; place-items: center; background: var(--sky); color: var(--blue-deep); font-weight: 800; }
.quote header { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
  display: grid; grid-template-columns: 210px 1fr auto; gap: 16px; align-items: center;
  background: #fff; border-radius: 20px; padding: 12px; border: 1px solid var(--line); box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
}
.news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.news-item img { width: 210px; height: 132px; object-fit: cover; border-radius: 14px; }
.news-item p { margin-top: 6px; color: var(--muted); }
.reward-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 16px; }
.reward img { width: 100%; height: 180px; object-fit: cover; border-radius: 16px; }
.page-hero {
  padding: 68px 0 60px;
  background-image:
    linear-gradient(105deg, rgba(244,248,252,.97) 0%, rgba(244,248,252,.93) 42%, rgba(244,248,252,.62) 70%, rgba(16,40,68,.22) 100%),
    url("/assets/images/89b7f0507c38cfb3.webp");
  background-size: cover;
  background-position: center right;
}
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 34px; align-items: center; }
.status-panel { background: rgba(255,255,255,.94); }
.status-panel h2 { font-size: 30px; margin-bottom: 8px; }
.kicker-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.band-white { background: #fff; }
.band-plain { background: transparent; }
.board-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 34px; align-items: start; }
.board-list { display: flex; flex-direction: column; gap: 12px; }
.board-row {
  display: grid; grid-template-columns: 54px 1fr auto; gap: 14px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 14px 16px;
  box-shadow: var(--shadow-soft); transition: transform .2s ease, box-shadow .2s ease;
}
.board-row:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.board-row p { margin-top: 2px; color: var(--muted); font-size: 14.5px; }
.board-row em { font-style: normal; font-weight: 800; color: var(--ok); font-size: 13px; }
.board-row em.wait { color: var(--blue); }
.medal {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  background: var(--gold-soft); color: var(--gold); font-size: 20px;
}
.head-row { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 22px; }
.mini-note {
  min-width: 220px; background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 14px 16px; box-shadow: var(--shadow-soft);
}
.mini-note strong { display: block; color: var(--navy); font-size: 22px; }
.mini-note span { color: var(--muted); font-size: 13px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 42px; left: 7%; right: 7%; height: 2px; background: #c5d8ee;
}
.step {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 16px 16px; box-shadow: var(--shadow-soft); transition: transform .2s ease, box-shadow .2s ease;
}
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.step i {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: #fff; color: var(--blue-deep); border: 1px solid var(--line); margin-bottom: 14px; position: relative; z-index: 1;
}
.step span { display: block; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .04em; margin-bottom: 6px; }
.step p { color: var(--muted); margin-top: 8px; font-size: 14.5px; }
.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 32px; align-items: center; }
.check { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.check li {
  display: flex; gap: 10px; align-items: flex-start; background: var(--mist);
  border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; color: var(--ink);
}
.check i { color: var(--ok); margin-top: 4px; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.compare-stable img { width: 100%; height: 190px; object-fit: cover; border-radius: 16px; margin-bottom: 14px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.fold { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 18px; box-shadow: var(--shadow-soft); }
.fold + .fold { margin-top: 12px; }
.fold summary {
  cursor: pointer; font-weight: 700; color: var(--navy); min-height: 68px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.fold summary::-webkit-details-marker { display: none; }
.fold summary i { color: var(--blue); transition: transform .2s ease; }
.fold[open] summary i { transform: rotate(45deg); }
.fold[open] { border-color: #b7d0ea; }
.fold p { color: var(--muted); padding-bottom: 16px; }
.concern-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 28px; align-items: start; }
.guarantee {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: 26px; align-items: start;
  background: linear-gradient(180deg, #fff, #e7f1fb);
  border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); padding: 28px;
}
.choice-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0; }
.choice {
  text-align: left; background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 14px; cursor: pointer; color: var(--navy); font-weight: 700;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.choice small { display: block; font-weight: 500; color: var(--muted); margin-top: 4px; }
.choice:hover { border-color: var(--blue); transform: translateY(-2px); }
.choice:active { transform: translateY(0); }
.choice.is-on { background: var(--sky); border-color: var(--blue); box-shadow: var(--shadow-soft); }
.preview {
  margin-top: 14px; background: #fff; border: 1px dashed #b7d0ea; border-radius: 18px; padding: 16px;
  color: var(--ink); min-height: 92px;
}
.preview.is-live { border-style: solid; border-color: var(--gold); background: var(--gold-soft); }
.assure { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.assure li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink); }
.assure i { color: var(--gold); margin-top: 4px; }
.time-chip { color: var(--muted); font-size: 13px; font-weight: 700; }
.site-footer { background: var(--navy); color: #d5e3f2; padding: 48px 0 28px; }
.footer-grid { display: grid; gap: 14px; max-width: 760px; }
.site-footer .logo { color: #fff; }
.site-footer .logo:hover { color: #fff; }
.site-footer p { color: #c5d4e6; }
.copy { margin-top: 22px; font-size: 14px; color: #9fb4cb; border-top: 1px solid rgba(255,255,255,.12); padding-top: 16px; }
.dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: rgba(255,255,255,.94); backdrop-filter: blur(14px);
  border-top: 1px solid var(--line); box-shadow: 0 -10px 30px rgba(16,40,68,.08); padding: 12px 0;
}
.dock-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock p { margin: 0; color: var(--muted); font-size: 14px; }
.dock strong { display: block; color: var(--navy); font-size: 16px; }
@media (max-width: 1024px) {
  h1 { font-size: 42px; }
  h2 { font-size: 30px; }
  .hero-grid, .board-grid, .split, .compare-grid, .concern-layout, .guarantee, .problem-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps::before { display: none; }
  .photo-frame img { height: 320px; }
  .head-row { flex-direction: column; align-items: stretch; }
}
@media (max-width: 768px) {
  section { padding: 58px 0; }
  .page-hero { padding: 42px 0 36px; }
  .news-item { grid-template-columns: 1fr; }
  .news-item img { width: 100%; height: 190px; }
  .choice-row { grid-template-columns: 1fr; }
  .dock-inner { align-items: stretch; }
  .board-row { grid-template-columns: 54px 1fr; }
  .board-row em { grid-column: 2; }
  body.page-release { padding-bottom: 132px; }
}
@media (max-width: 520px) {
  .wrap { width: min(var(--wrap), calc(100% - 28px)); }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  .btn .full { display: none; }
  .btn .short { display: inline; }
  .logo { font-size: 14px; }
  .logo-mark { width: 36px; height: 36px; border-radius: 11px; }
  .steps, .stat-grid { grid-template-columns: 1fr; }
  .row-card { grid-template-columns: 64px 1fr; }
  .index-pill { width: 64px; height: 56px; }
  .hero-actions .btn, .dock .btn, .guarantee .btn { width: 100%; }
  .dock-inner { flex-direction: column; }
  .photo-frame img { height: 220px; border-radius: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card, .step, .board-row, .news-item, .row-card, .choice { transition: none; }
}
