/* roulang page: index */
:root {
  --blue: #1f5fbf;
  --blue-deep: #14386f;
  --blue-soft: #e7f0fb;
  --ink: #17324d;
  --muted: #5c6d82;
  --line: #d7e2ee;
  --bg: #f4f7fb;
  --card: #ffffff;
  --mint: #e7f6f1;
  --mint-ink: #0f6b56;
  --amber: #b86a12;
  --amber-soft: #fff4e6;
  --danger: #9b3b3b;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 18px 46px rgba(20, 56, 111, 0.1);
  --shadow-soft: 0 8px 24px rgba(20, 56, 111, 0.06);
  --space: 88px;
  --container: 1140px;
  --header: 78px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
button { cursor: pointer; }
.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--blue-deep);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 100;
}
.skip:focus { top: 12px; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(215,226,238,.9);
  box-shadow: 0 8px 24px rgba(20,56,111,.04);
}
.nav-bar {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 18px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--blue-deep);
  min-width: max-content;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(160deg, #2d74d8, #14386f);
  box-shadow: var(--shadow-soft);
  font-size: 0.95rem;
}
.logo span { font-size: 0.98rem; line-height: 1.2; max-width: 180px; }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.main-nav a {
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.92rem;
  transition: background .2s, color .2s;
}
.main-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.main-nav a.active, .main-nav a:active { background: var(--blue-deep); color: #fff; }
.lang-switch {
  display: flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  gap: 2px;
}
.lang {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  border-radius: 999px;
  padding: 6px 10px;
  line-height: 1;
}
.lang.active, .lang[aria-pressed="true"] { background: var(--blue-soft); color: var(--blue-deep); }
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--blue-deep);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 18px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,191,.25); }
.btn-primary:hover { background: var(--blue-deep); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 9px 14px; font-size: 0.92rem; }
.btn:focus-visible, .lang:focus-visible, .nav-toggle:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .faq-q:focus-visible {
  outline: 3px solid rgba(31,95,191,.35);
  outline-offset: 2px;
}
.hero {
  position: relative;
  background:
    linear-gradient(100deg, rgba(244,247,251,.94) 0%, rgba(244,247,251,.88) 46%, rgba(20,56,111,.28) 100%),
    url("/assets/images/512b7bcae83cf167.webp") center/cover no-repeat;
  padding: 54px 0 68px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.hero-copy, .form-card {
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(255,255,255,.8);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-copy { padding: 36px 36px 32px; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 700;
  background: var(--blue-soft);
  border-radius: 999px;
  padding: 6px 12px;
  margin-bottom: 14px;
}
h1 { margin: 0 0 12px; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.18; letter-spacing: -0.03em; }
.pain {
  margin: 0 0 14px;
  font-weight: 700;
  color: var(--blue-deep);
  font-size: 1.08rem;
}
.lede { margin: 0 0 22px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.form-card { padding: 26px; }
.form-card h2 { margin: 0 0 6px; font-size: 1.35rem; letter-spacing: -0.02em; }
.form-card p { margin: 0 0 16px; color: var(--muted); }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; font-weight: 600; color: var(--ink); }
.field span { font-size: 0.92rem; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 12px 13px;
  color: var(--ink);
  font-weight: 500;
  transition: border-color .2s, box-shadow .2s;
}
textarea { min-height: 96px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: #b7cbe4; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31,95,191,.12); outline: none; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 0.92rem; color: var(--muted); margin: 8px 0 14px; font-weight: 500; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--blue); }
.form-wide { width: 100%; }
.form-note { min-height: 1.4em; margin: 10px 0 0; font-size: 0.92rem; color: var(--danger); }
.form-note.ok { color: var(--mint-ink); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-soft { background: linear-gradient(180deg, #f8fbfe, #eef4fb); }
.section h2 { margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -0.03em; line-height: 1.25; }
.section-lead { margin: 0; color: var(--muted); max-width: 760px; }
.section-head { margin-bottom: 28px; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: center; }
.photo-frame {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid #fff;
  background: #d9e6f5;
  min-height: 280px;
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.claim-list { display: flex; flex-direction: column; gap: 14px; }
.claim {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 16px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
}
.claim i {
  width: 52px; height: 52px; border-radius: 16px;
  display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue-deep); font-size: 1.15rem;
}
.claim h3 { margin: 0 0 4px; font-size: 1.05rem; }
.claim p { margin: 0; color: var(--muted); }
.check-layout { display: grid; grid-template-columns: 280px 1fr; gap: 26px; }
.side-note {
  background: var(--blue-deep);
  color: #fff;
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}
.side-note strong { display: block; font-size: 1.3rem; margin: 8px 0; }
.side-note p { margin: 0; color: rgba(255,255,255,.84); }
.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: var(--shadow-soft);
}
.check-item input { width: 20px; height: 20px; margin-top: 4px; accent-color: var(--blue); }
.check-item p { margin: 4px 0 0; color: var(--muted); }
.check-item.is-done { background: var(--mint); border-color: #cfeedf; }
.badge-rail { display: flex; flex-wrap: wrap; gap: 12px; }
.badge {
  display: flex;
  gap: 12px;
  align-items: center;
  background: #fff;
  border-radius: 999px;
  padding: 10px 16px 10px 10px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  min-width: 220px;
}
.badge i {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--amber-soft); color: var(--amber);
}
.badge b { display: block; line-height: 1.3; }
.badge span { color: var(--muted); font-size: 0.88rem; }
.boundary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px; }
.limit-col { border-radius: 24px; padding: 22px; border: 1px solid var(--line); }
.limit-col.in { background: #fff; }
.limit-col.out { background: #f8fbff; }
.limit-col h3 { margin: 0 0 12px; display: flex; gap: 8px; align-items: center; }
.limit-col ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.limit-col li { padding-left: 28px; position: relative; color: var(--muted); }
.limit-col.in li::before, .limit-col.out li::before {
  font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; left: 0; top: 2px;
}
.limit-col.in li::before { content: "\f00c"; color: var(--mint-ink); }
.limit-col.out li::before { content: "\f068"; color: var(--blue); }
.stage-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: stretch; }
.stage-visual { display: grid; grid-template-columns: 1.4fr .8fr; gap: 12px; }
.shot { border-radius: 24px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: #d5e2f1; }
.shot img { width: 100%; height: 100%; object-fit: cover; min-height: 240px; }
.shot.tall img { min-height: 100%; }
.stage-copy {
  background: #fff;
  border-radius: 24px;
  padding: 26px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.point { display: flex; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.point:first-of-type { border-top: 0; }
.point i { color: var(--blue); margin-top: 4px; }
.point h3 { margin: 0 0 4px; font-size: 1.02rem; }
.point p { margin: 0; color: var(--muted); }
.cap-list { display: flex; flex-direction: column; gap: 16px; }
.cap-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
  background: #fff;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.cap-row img { width: 100%; height: 100%; object-fit: cover; min-height: 160px; }
.cap-row div { padding: 18px 18px 18px 0; }
.cap-row h3 { margin: 0 0 6px; }
.cap-row p { margin: 0; color: var(--muted); }
.channel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.channel-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  box-shadow: var(--shadow-soft);
  min-height: 180px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform .2s, box-shadow .2s;
}
.channel-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.channel-card i { color: var(--blue); font-size: 1.2rem; }
.channel-card h3 { margin: 0; font-size: 1.05rem; }
.channel-card p { margin: 0; color: var(--muted); }
.channel-card em { margin-top: auto; font-style: normal; font-weight: 700; color: var(--blue-deep); }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 16px;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.news-item img { width: 100%; height: 100%; object-fit: cover; min-height: 140px; }
.news-item div { padding: 16px 16px 16px 0; }
.news-item time { color: var(--blue); font-weight: 700; font-size: 0.88rem; }
.news-item h3 { margin: 4px 0; font-size: 1.12rem; }
.news-item p { margin: 0; color: var(--muted); }
.more-link { display: inline-flex; margin-top: 16px; font-weight: 800; color: var(--blue-deep); gap: 8px; align-items: center; }
.more-link:hover { color: var(--blue); }
.reward-band {
  position: relative;
  color: #fff;
  background:
    linear-gradient(100deg, rgba(20,56,111,.92), rgba(31,95,191,.78)),
    url("/assets/images/cc0bcfd4893ff2fd.webp") center/cover no-repeat;
}
.reward-band h2, .reward-band .section-lead { color: #fff; }
.reward-band .section-lead { color: rgba(255,255,255,.86); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 8px; }
.step {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px;
  padding: 18px;
  backdrop-filter: blur(6px);
}
.step b { display: block; font-size: 0.86rem; letter-spacing: .04em; text-transform: uppercase; opacity: .8; }
.step h3 { margin: 8px 0; font-size: 1.2rem; }
.step p { margin: 0; color: rgba(255,255,255,.86); }
.bar { height: 8px; border-radius: 99px; background: rgba(255,255,255,.2); margin-top: 14px; overflow: hidden; }
.bar span { display: block; height: 100%; background: #fff; border-radius: inherit; }
.trust-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.trust-item {
  background: #fff;
  border-radius: 20px;
  padding: 18px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.trust-item strong { display: block; font-size: 1.7rem; color: var(--blue-deep); letter-spacing: -0.03em; }
.trust-item span { color: var(--muted); }
.bubbles { display: flex; flex-wrap: wrap; gap: 14px; }
.bubble {
  background: #fff;
  border-radius: 22px 22px 22px 8px;
  padding: 16px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  width: calc(33.33% - 10px);
}
.bubble header { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.bubble img { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; }
.bubble h3 { margin: 0; font-size: 1rem; }
.bubble small { color: var(--muted); }
.bubble p { margin: 0; color: var(--ink); }
.timeline { position: relative; margin-left: 10px; display: flex; flex-direction: column; gap: 0; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 6px; bottom: 6px;
  width: 2px; background: #c9d8ea;
}
.tl-item { display: grid; grid-template-columns: 16px 1fr; gap: 16px; padding-bottom: 18px; }
.dot { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 4px solid var(--blue); margin-top: 6px; position: relative; z-index: 1; }
.tl-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 14px 16px; box-shadow: var(--shadow-soft); }
.tl-card time { color: var(--blue); font-weight: 700; }
.tl-card h3 { margin: 4px 0; }
.tl-card p { margin: 0; color: var(--muted); }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-soft); overflow: hidden; }
.faq-q {
  width: 100%;
  text-align: left;
  background: #fff;
  border: 0;
  padding: 16px 18px;
  font-weight: 750;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.faq-q i { color: var(--blue); transition: transform .2s; }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 18px 16px; color: var(--muted); }
.faq-item.open .faq-a { display: block; }
.site-footer { background: #102848; color: rgba(255,255,255,.86); padding: 42px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 24px; }
.site-footer h2, .site-footer strong { color: #fff; }
.site-footer a { color: rgba(255,255,255,.86); }
.site-footer a:hover { color: #fff; }
.footer-brand { font-weight: 800; font-size: 1.15rem; color: #fff; display: block; margin-bottom: 8px; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.legal { margin-top: 22px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.7); font-size: 0.92rem; }
@media (max-width: 1100px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 10px 16px 16px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px; }
  .nav-cta { display: none; }
  .channel-grid { grid-template-columns: repeat(2, 1fr); }
  .check-layout, .split, .stage-grid, .hero-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --space: 58px; }
  .hero-copy { padding: 24px; }
  .steps, .trust-bar, .footer-grid, .boundary-grid, .stage-visual { grid-template-columns: 1fr; }
  .cap-row, .news-item { grid-template-columns: 1fr; }
  .cap-row div, .news-item div { padding: 16px; }
  .bubble { width: 100%; }
  .logo span { max-width: 140px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .hero-actions, .btn { width: 100%; }
  .badge { min-width: 100%; }
  .channel-grid { grid-template-columns: 1fr; }
  h1 { font-size: 1.85rem; }
  .lang { padding: 6px 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category2 */
:root {
 --blue: #1f5fbf;
 --blue-deep: #14386f;
 --blue-soft: #e7f0fb;
 --ink: #17324d;
 --muted: #5c6d82;
 --line: #d7e2ee;
 --bg: #f4f7fb;
 --card: #ffffff;
 --mint: #e7f6f1;
 --mint-ink: #0f6b56;
 --amber: #b86a12;
 --amber-soft: #fff4e6;
 --danger: #9b3b3b;
 --radius: 22px;
 --radius-sm: 14px;
 --shadow: 0 18px 46px rgba(20, 56, 111, 0.1);
 --shadow-soft: 0 8px 24px rgba(20, 56, 111, 0.06);
 --space: 88px;
 --container: 1140px;
 --header: 78px;
}
:root { --space: 58px; }
/* roulang page: giao-din */
:root {
 --blue: #1f5fbf;
 --blue-deep: #14386f;
 --blue-soft: #e7f0fb;
 --ink: #17324d;
 --muted: #5c6d82;
 --line: #d7e2ee;
 --bg: #f4f7fb;
 --card: #ffffff;
 --mint: #e7f6f1;
 --mint-ink: #0f6b56;
 --amber: #b86a12;
 --amber-soft: #fff4e6;
 --danger: #9b3b3b;
 --radius: 22px;
 --radius-sm: 14px;
 --shadow: 0 18px 46px rgba(20, 56, 111, 0.1);
 --shadow-soft: 0 8px 24px rgba(20, 56, 111, 0.06);
 --space: 88px;
 --container: 1140px;
 --header: 78px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
button { cursor: pointer; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 height: var(--header);
 background: rgba(255,255,255,.92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(215,226,238,.9);
 box-shadow: 0 8px 24px rgba(20,56,111,.04);
}
.nav-bar {
 height: var(--header);
 display: flex;
 align-items: center;
 gap: 18px;
 position: relative;
}
.logo {
 display: flex;
 align-items: center;
 gap: 10px;
 font-weight: 800;
 letter-spacing: -0.02em;
 color: var(--blue-deep);
 min-width: max-content;
}
.logo-mark {
 width: 38px;
 height: 38px;
 border-radius: 12px;
 display: grid;
 place-items: center;
 color: #fff;
 background: linear-gradient(160deg, #2d74d8, #14386f);
 box-shadow: var(--shadow-soft);
 font-size: 0.95rem;
 flex: 0 0 auto;
}
.logo span { font-size: 0.98rem; line-height: 1.2; max-width: 180px; }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.main-nav a {
 padding: 8px 10px;
 border-radius: 999px;
 color: var(--ink);
 font-weight: 600;
 font-size: 0.92rem;
 white-space: nowrap;
 transition: background .2s, color .2s;
}
.main-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.main-nav a.active, .main-nav a:active { background: var(--blue-deep); color: #fff; }
.lang-switch {
 display: flex;
 align-items: center;
 gap: 2px;
 padding: 4px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: #fff;
 flex: 0 0 auto;
}
.lang {
 border: 0;
 background: transparent;
 color: var(--muted);
 border-radius: 999px;
 padding: 6px 10px;
 font-weight: 800;
 letter-spacing: 0.03em;
}
.lang:hover { color: var(--blue-deep); }
.lang.active, .lang[aria-pressed="true"] { background: var(--blue-soft); color: var(--blue-deep); }
.nav-toggle {
 display: none;
 margin-left: auto;
 width: 44px;
 height: 44px;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--blue-deep);
 align-items: center;
 justify-content: center;
}
.nav-toggle:hover { border-color: var(--blue); color: var(--blue); }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 border-radius: 999px;
 padding: 12px 18px;
 border: 1px solid transparent;
 font-weight: 700;
 transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,191,.25); }
.btn-primary:hover { background: var(--blue-deep); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 9px 14px; font-size: 0.92rem; }
.btn:focus-visible, .lang:focus-visible, .nav-toggle:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .faq-q:focus-visible {
 outline: 3px solid rgba(31,95,191,.35);
 outline-offset: 2px;
}
.hero {
 position: relative;
 background:
 linear-gradient(100deg, rgba(244,247,251,.94) 0%, rgba(244,247,251,.88) 46%, rgba(20,56,111,.28) 100%),
 url("/assets/images/512b7bcae83cf167.webp") center/cover no-repeat;
 padding: 54px 0 68px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.hero-copy, .form-card {
 background: rgba(255,255,255,.94);
 border: 1px solid rgba(255,255,255,.8);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.hero-copy { padding: 36px 36px 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.form-card { padding: 26px; }
.form-card h2 { margin: 0 0 6px; font-size: 1.35rem; letter-spacing: -0.02em; }
.form-card p { margin: 0 0 16px; color: var(--muted); }
input, select, textarea {
 width: 100%;
 border: 1px solid var(--line);
 background: #fff;
 border-radius: 12px;
 padding: 12px 13px;
 color: var(--ink);
 font-weight: 500;
 transition: border-color .2s, box-shadow .2s;
}
textarea { min-height: 96px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: #b7cbe4; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31,95,191,.12); outline: none; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--blue); }
.form-wide { width: 100%; }
.form-note { min-height: 1.4em; margin: 10px 0 0; font-size: 0.92rem; color: var(--danger); }
.form-note.ok { color: var(--mint-ink); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-soft { background: linear-gradient(180deg, #f8fbfe, #eef4fb); }
.section h2 { margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -0.03em; line-height: 1.25; }
.section-lead { margin: 0; color: var(--muted); max-width: 760px; }
.section-head { margin-bottom: 28px; }
.photo-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-soft); background: #dbe7f5; }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.claim-list { display: flex; flex-direction: column; gap: 14px; }
.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-item {
 display: grid;
 grid-template-columns: auto 1fr;
 gap: 12px;
 align-items: flex-start;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 16px;
 padding: 14px 16px;
 box-shadow: var(--shadow-soft);
}
.check-item input { width: 20px; height: 20px; margin-top: 4px; accent-color: var(--blue); }
.check-item p { margin: 4px 0 0; color: var(--muted); }
.check-item.is-done { background: var(--mint); border-color: #cfeedf; }
.badge-rail { display: flex; flex-wrap: wrap; gap: 12px; }
.badge {
 display: flex;
 gap: 12px;
 align-items: center;
 background: #fff;
 border-radius: 999px;
 padding: 10px 16px 10px 10px;
 border: 1px solid var(--line);
 box-shadow: var(--shadow-soft);
 min-width: 220px;
}
.badge i {
 width: 42px; height: 42px; border-radius: 50%;
 display: grid; place-items: center;
 background: var(--amber-soft); color: var(--amber);
}
.badge b { display: block; line-height: 1.3; }
.badge span { color: var(--muted); font-size: 0.85rem; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-soft); }
.faq-q {
 width: 100%;
 text-align: left;
 background: transparent;
 border: 0;
 padding: 16px 18px;
 font-weight: 700;
 color: var(--ink);
 display: flex;
 justify-content: space-between;
 gap: 12px;
}
.faq-a { padding: 0 18px 16px; color: var(--muted); }
.site-footer {
 background: var(--blue-deep);
 color: #e7eef8;
 padding: 48px 0 20px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.footer-brand { font-weight: 800; font-size: 1.08rem; color: #fff; display: inline-block; margin-bottom: 8px; }
.footer-grid p { margin: 0; color: #d5e2f2; }
.footer-grid strong { display: block; margin-bottom: 10px; color: #fff; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.foot-links a, .foot-links span { color: #d5e2f2; }
.foot-links a:hover { color: #fff; }
.legal {
 margin-top: 28px;
 padding-top: 16px;
 border-top: 1px solid rgba(255,255,255,.15);
 color: #c5d4e8;
 font-size: 0.92rem;
}
.face-hero {
 position: relative;
 background:
 linear-gradient(105deg, rgba(244,247,251,.96) 0%, rgba(244,247,251,.9) 48%, rgba(20,56,111,.22) 100%),
 url("/assets/images/cc0bcfd4893ff2fd.webp") center/cover no-repeat;
 padding: 36px 0 64px;
}
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: 0.92rem; font-weight: 600; margin-bottom: 18px; }
.crumbs a:hover { color: var(--blue-deep); }
.crumbs i { font-size: 0.7rem; }
.face-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 28px; align-items: stretch; }
.face-copy {
 background: rgba(255,255,255,.94);
 border: 1px solid rgba(255,255,255,.85);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 34px 34px 30px;
}
.kicker {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 background: var(--blue-soft);
 color: var(--blue-deep);
 border-radius: 999px;
 padding: 6px 12px;
 font-weight: 700;
 font-size: 0.86rem;
 margin-bottom: 14px;
}
.face-copy h1 { margin: 0 0 12px; font-size: clamp(1.85rem, 3.4vw, 2.7rem); line-height: 1.18; letter-spacing: -0.035em; color: var(--blue-deep); }
.face-copy .lead { margin: 0 0 18px; color: var(--muted); font-size: 1.05rem; }
.sheet {
 background: rgba(255,255,255,.96);
 border-radius: var(--radius);
 border: 1px solid rgba(255,255,255,.9);
 box-shadow: var(--shadow);
 overflow: hidden;
 display: flex;
 flex-direction: column;
}
.sheet img { width: 100%; height: 210px; object-fit: cover; }
.sheet-body { padding: 18px 18px 16px; display: flex; flex-direction: column; gap: 8px; }
.sheet-body h2 { margin: 0; font-size: 1.15rem; letter-spacing: -0.02em; }
.zone-row {
 display: grid;
 grid-template-columns: auto 1fr;
 gap: 10px;
 align-items: center;
 padding: 9px 10px;
 border-radius: 12px;
 background: var(--bg);
 border: 1px solid var(--line);
 font-weight: 650;
}
.zone-row span {
 width: 28px; height: 28px; border-radius: 8px;
 display: grid; place-items: center;
 background: var(--blue); color: #fff; font-size: 0.78rem; font-weight: 800;
}
.map-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: center; }
.screen-map {
 background: linear-gradient(180deg, #f9fbfe, #fff);
 border: 1px solid var(--line);
 border-radius: 28px;
 padding: 16px;
 box-shadow: var(--shadow);
 display: grid;
 gap: 10px;
}
.map-status, .map-list, .map-device, .map-actions, .map-stats span {
 border-radius: 16px;
 padding: 14px 16px;
}
.map-status { background: var(--blue-deep); color: #fff; }
.map-status small, .map-list small, .map-device small, .map-actions small, .map-stats small { display: block; font-weight: 600; opacity: .75; letter-spacing: .04em; font-size: .75rem; }
.map-status b, .map-list b, .map-device b, .map-actions b, .map-stats b { display: block; font-size: 1.02rem; line-height: 1.35; }
.map-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.map-stats span { background: var(--blue-soft); border: 1px solid #d5e4f6; }
.map-list { background: #fff; border: 1px dashed #b7cbe4; min-height: 92px; }
.map-device { background: var(--amber-soft); border: 1px solid #f3ddc0; }
.map-actions { background: var(--mint); color: var(--mint-ink); border: 1px solid #cfeedf; }
.claim-list article {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 18px;
 padding: 16px 16px 14px;
 box-shadow: var(--shadow-soft);
}
.claim-list h3 { margin: 0 0 4px; font-size: 1.05rem; }
.claim-list p { margin: 0; color: var(--muted); }
.claim-list i { color: var(--blue); margin-right: 6px; }
.density-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.density-panel { border-radius: 24px; padding: 24px; border: 1px solid var(--line); min-height: 100%; }
.density-panel.lean { background: var(--mint); }
.density-panel.full { background: #fff; box-shadow: var(--shadow); }
.density-panel h3 { margin: 8px 0 8px; font-size: 1.35rem; letter-spacing: -0.02em; }
.density-panel p { margin: 0 0 12px; color: var(--ink); }
.density-panel ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.density-panel li { display: flex; gap: 8px; align-items: flex-start; color: var(--ink); }
.density-panel li i { margin-top: 4px; color: var(--mint-ink); }
.density-panel.full li i { color: var(--amber); }
.pill {
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 padding: 4px 10px;
 font-size: 0.8rem;
 font-weight: 800;
 background: rgba(255,255,255,.7);
 color: var(--mint-ink);
}
.density-panel.full .pill { background: var(--amber-soft); color: var(--amber); }
.metric-bar {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 24px;
 box-shadow: var(--shadow);
 overflow: hidden;
}
.metric-bar div { padding: 22px 20px; border-right: 1px solid var(--line); }
.metric-bar div:last-child { border-right: 0; }
.metric-bar b { display: block; font-size: 1.7rem; letter-spacing: -0.04em; color: var(--blue-deep); line-height: 1.1; }
.metric-bar span { color: var(--muted); font-weight: 600; }
.metric-note { margin: 16px 0 0; color: var(--muted); max-width: 820px; }
.part-list { display: flex; flex-direction: column; gap: 14px; }
.part-row {
 display: grid;
 grid-template-columns: 168px 1fr;
 gap: 18px;
 align-items: center;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 20px;
 padding: 12px;
 box-shadow: var(--shadow-soft);
 transition: transform .2s, box-shadow .2s;
}
.part-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.part-row img { width: 168px; height: 118px; object-fit: cover; border-radius: 14px; }
.part-row h3 { margin: 0 0 4px; font-size: 1.12rem; }
.part-row p { margin: 0; color: var(--muted); }
.size-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 28px; align-items: center; }
.size-board { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 24px; overflow: hidden; background: #fff; box-shadow: var(--shadow-soft); }
.size-row { display: grid; grid-template-columns: 180px 1fr; gap: 16px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.size-row:last-child { border-bottom: 0; }
.size-row strong { color: var(--blue-deep); }
.size-row p { margin: 0; color: var(--muted); }
.note-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.note-side { position: sticky; top: calc(var(--header) + 16px); }
.note-side figcaption { margin-top: 10px; color: var(--muted); font-size: 0.92rem; }
.lead-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.lead-copy h2 { max-width: 520px; }
.mail-line { display: flex; align-items: center; gap: 10px; margin-top: 16px; font-weight: 700; color: var(--blue-deep); }
.mail-line i { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--blue-soft); }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field label { font-weight: 700; font-size: 0.92rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 1100px) {
 .nav-toggle { display: inline-flex; }
 .main-nav {
  display: none;
  position: fixed;
  top: var(--header);
  left: 0;
  right: 0;
  margin: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  padding: 12px 16px 16px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  z-index: 35;
 }
 .main-nav.open { display: flex; }
 .main-nav a { padding: 12px 12px; border-radius: 12px; }
 .logo span { max-width: 150px; }
}
@media (max-width: 1024px) {
 .face-grid, .map-wrap, .size-grid, .note-grid, .lead-grid, .hero-grid { grid-template-columns: 1fr; }
 .note-side { position: static; }
 .metric-bar { grid-template-columns: 1fr 1fr; }
 .metric-bar div:nth-child(2) { border-right: 0; }
 .metric-bar div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
 .footer-grid { grid-template-columns: 1fr 1fr; }
 .footer-grid div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
 .section { padding: 52px 0; }
 .face-copy, .form-card { padding: 22px; }
 .density-grid, .form-row, .size-row, .part-row, .map-stats { grid-template-columns: 1fr; }
 .part-row img { width: 100%; height: 180px; }
 .size-row { gap: 6px; }
 .sheet img { height: 180px; }
 .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
 .container { width: min(var(--container), calc(100% - 28px)); }
 .logo span { font-size: 0.75rem; max-width: 104px; }
 .nav-cta { padding: 8px 10px; font-size: 0.82rem; }
 .face-copy h1 { font-size: 1.65rem; }
 .hero-actions, .face-copy .hero-actions { width: 100%; }
 .hero-actions .btn, .face-copy .btn { width: 100%; }
 .metric-bar { grid-template-columns: 1fr; }
 .metric-bar div { border-right: 0; border-bottom: 1px solid var(--line); }
 .metric-bar div:last-child { border-bottom: 0; }
 .badge { min-width: 0; width: 100%; }
}

/* roulang page: category1 */
:root {
 --blue: #1f5fbf;
 --blue-deep: #14386f;
 --blue-soft: #e7f0fb;
 --ink: #17324d;
 --muted: #5c6d82;
 --line: #d7e2ee;
 --bg: #f4f7fb;
 --card: #ffffff;
 --mint: #e7f6f1;
 --mint-ink: #0f6b56;
 --amber: #b86a12;
 --amber-soft: #fff4e6;
 --danger: #9b3b3b;
 --radius: 22px;
 --radius-sm: 14px;
 --shadow: 0 18px 46px rgba(20, 56, 111, 0.1);
 --shadow-soft: 0 8px 24px rgba(20, 56, 111, 0.06);
 --space: 88px;
 --container: 1140px;
 --header: 78px;
}
:root { --space: 58px; }
/* roulang page: tai-may */
:root {
 --blue: #1f5fbf;
 --blue-deep: #14386f;
 --blue-soft: #e7f0fb;
 --ink: #17324d;
 --muted: #5c6d82;
 --line: #d7e2ee;
 --bg: #f4f7fb;
 --card: #ffffff;
 --mint: #e7f6f1;
 --mint-ink: #0f6b56;
 --amber: #b86a12;
 --amber-soft: #fff4e6;
 --danger: #9b3b3b;
 --radius: 22px;
 --radius-sm: 14px;
 --shadow: 0 18px 46px rgba(20, 56, 111, 0.1);
 --shadow-soft: 0 8px 24px rgba(20, 56, 111, 0.06);
 --space: 88px;
 --container: 1140px;
 --header: 78px;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
button { cursor: pointer; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 height: var(--header);
 background: rgba(255,255,255,.92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(215,226,238,.9);
 box-shadow: 0 8px 24px rgba(20,56,111,.04);
}
.nav-bar {
 height: var(--header);
 display: flex;
 align-items: center;
 gap: 18px;
}
.logo {
 display: flex;
 align-items: center;
 gap: 10px;
 font-weight: 800;
 letter-spacing: -0.02em;
 color: var(--blue-deep);
 min-width: max-content;
}
.logo-mark {
 width: 38px;
 height: 38px;
 border-radius: 12px;
 display: grid;
 place-items: center;
 color: #fff;
 background: linear-gradient(160deg, #2d74d8, #14386f);
 box-shadow: var(--shadow-soft);
 font-size: 0.95rem;
}
.logo span { font-size: 0.98rem; line-height: 1.2; max-width: 180px; }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.main-nav a {
 padding: 8px 10px;
 border-radius: 999px;
 color: var(--ink);
 font-weight: 600;
 font-size: 0.92rem;
 transition: background .2s, color .2s;
}
.main-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.main-nav a.active, .main-nav a:active { background: var(--blue-deep); color: #fff; }
.lang-switch {
 display: flex;
 align-items: center;
 gap: 2px;
 padding: 4px;
 border: 1px solid var(--line);
 border-radius: 999px;
 background: #fff;
}
.lang {
 border: 0;
 background: transparent;
 color: var(--muted);
 border-radius: 999px;
 padding: 6px 10px;
 font-weight: 800;
 letter-spacing: 0.03em;
}
.lang.active, .lang[aria-pressed="true"] { background: var(--blue-soft); color: var(--blue-deep); }
.nav-toggle {
 display: none;
 margin-left: auto;
 width: 44px;
 height: 44px;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--blue-deep);
 align-items: center;
 justify-content: center;
}
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 border-radius: 999px;
 padding: 12px 18px;
 border: 1px solid transparent;
 font-weight: 700;
 transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,191,.25); }
.btn-primary:hover { background: var(--blue-deep); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 9px 14px; font-size: 0.92rem; }
.btn:focus-visible, .lang:focus-visible, .nav-toggle:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .faq-q:focus-visible {
 outline: 3px solid rgba(31,95,191,.35);
 outline-offset: 2px;
}
.hero {
 position: relative;
 background:
 linear-gradient(100deg, rgba(244,247,251,.94) 0%, rgba(244,247,251,.88) 46%, rgba(20,56,111,.28) 100%),
 url("/assets/images/512b7bcae83cf167.webp") center/cover no-repeat;
 padding: 54px 0 68px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.hero-copy, .form-card {
 background: rgba(255,255,255,.94);
 border: 1px solid rgba(255,255,255,.8);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.hero-copy { padding: 36px 36px 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.form-card { padding: 26px; }
.form-card h2 { margin: 0 0 6px; font-size: 1.35rem; letter-spacing: -0.02em; }
.form-card p { margin: 0 0 16px; color: var(--muted); }
input, select, textarea {
 width: 100%;
 border: 1px solid var(--line);
 background: #fff;
 border-radius: 12px;
 padding: 12px 13px;
 color: var(--ink);
 font-weight: 500;
 transition: border-color .2s, box-shadow .2s;
 box-sizing: border-box;
}
textarea { min-height: 96px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: #b7cbe4; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31,95,191,.12); outline: none; }
.check { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 0.94rem; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--blue); flex: 0 0 auto; }
.form-wide { width: 100%; }
.form-note { min-height: 1.4em; margin: 10px 0 0; font-size: 0.92rem; color: var(--danger); }
.form-note.ok { color: var(--mint-ink); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-soft { background: linear-gradient(180deg, #f8fbfe, #eef4fb); }
.section h2 { margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -0.03em; line-height: 1.25; }
.section-lead { margin: 0; color: var(--muted); max-width: 760px; }
.section-head { margin-bottom: 28px; }
.photo-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--blue-soft); min-height: 320px; }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.claim-list { display: flex; flex-direction: column; gap: 14px; }
.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-item {
 display: grid;
 grid-template-columns: auto 1fr;
 gap: 12px;
 align-items: flex-start;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 16px;
 padding: 14px 16px;
 box-shadow: var(--shadow-soft);
}
.check-item input { width: 20px; height: 20px; margin-top: 4px; accent-color: var(--blue); }
.check-item p { margin: 4px 0 0; color: var(--muted); }
.check-item.is-done { background: var(--mint); border-color: #cfeedf; }
.badge-rail { display: flex; flex-wrap: wrap; gap: 12px; }
.badge {
 display: flex;
 gap: 12px;
 align-items: center;
 background: #fff;
 border-radius: 999px;
 padding: 10px 16px 10px 10px;
 border: 1px solid var(--line);
 box-shadow: var(--shadow-soft);
 min-width: 220px;
}
.badge i {
 width: 42px; height: 42px; border-radius: 50%;
 display: grid; place-items: center;
 background: var(--amber-soft); color: var(--amber);
}
.badge b { display: block; line-height: 1.3; }
.badge span { color: var(--muted); font-size: 0.86rem; }
h1 { margin: 0 0 14px; font-size: clamp(2rem, 4vw, 3.15rem); line-height: 1.12; letter-spacing: -0.04em; color: var(--blue-deep); }
h3 { margin: 0 0 6px; font-size: 1.08rem; letter-spacing: -0.02em; line-height: 1.35; }
::selection { background: #c9ddf8; color: var(--blue-deep); }
.page-hero {
 position: relative;
 background:
 linear-gradient(105deg, rgba(244,247,251,.96) 0%, rgba(244,247,251,.9) 48%, rgba(20,56,111,.42) 100%),
 url("/assets/images/09e8c9078334f01a.webp") center/cover no-repeat;
 padding: 36px 0 56px;
}
.page-hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 26px; align-items: stretch; }
.page-intro {
 position: relative;
 overflow: hidden;
 background: rgba(255,255,255,.95);
 border: 1px solid rgba(255,255,255,.86);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 34px 34px 28px 40px;
}
.page-intro::before {
 content: "";
 position: absolute;
 left: 0; top: 0; bottom: 0;
 width: 7px;
 background: linear-gradient(180deg, #3c82e4, #14386f);
}
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 14px; color: var(--muted); font-weight: 600; font-size: 0.92rem; }
.crumb a { color: var(--blue); }
.crumb a:hover { text-decoration: underline; }
.eyebrow {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 background: var(--blue-soft);
 color: var(--blue-deep);
 border-radius: 999px;
 padding: 6px 12px;
 font-weight: 700;
 font-size: 0.88rem;
 margin-bottom: 14px;
}
.page-intro .section-lead { font-size: 1.05rem; }
.page-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.mail-line { margin: 16px 0 0; color: var(--muted); font-size: 0.95rem; }
.mail-line a { color: var(--blue-deep); font-weight: 700; }
.entry-panel {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 overflow: hidden;
 display: flex;
 flex-direction: column;
}
.entry-panel img { width: 100%; height: 250px; object-fit: cover; }
.quick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 12px; }
.quick-link {
 display: flex;
 gap: 10px;
 align-items: flex-start;
 padding: 12px;
 border-radius: 16px;
 border: 1px solid var(--line);
 background: #f8fbfe;
 transition: transform .2s, border-color .2s, box-shadow .2s;
}
.quick-link:hover { transform: translateY(-2px); border-color: #b7cbe4; box-shadow: var(--shadow-soft); }
.quick-link:active { transform: translateY(0); }
.quick-link i {
 width: 36px; height: 36px; border-radius: 12px;
 display: grid; place-items: center; flex: 0 0 auto;
 background: #fff; color: var(--blue); border: 1px solid var(--line);
}
.quick-link b { display: block; font-size: 0.95rem; line-height: 1.3; }
.quick-link span { display: block; color: var(--muted); font-size: 0.82rem; line-height: 1.4; }
.spec-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 34px; align-items: center; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.spec-cell {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 18px 18px 16px;
 box-shadow: var(--shadow-soft);
}
.spec-cell i { color: var(--blue); font-size: 1.15rem; }
.spec-cell h3 { margin-top: 10px; }
.spec-cell p { margin: 0; color: var(--muted); }
.channel-list { display: flex; flex-direction: column; gap: 12px; }
.channel-row {
 display: grid;
 grid-template-columns: auto 1fr auto;
 gap: 16px;
 align-items: center;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 18px;
 box-shadow: var(--shadow-soft);
 transition: transform .2s, box-shadow .2s;
}
.channel-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.channel-ico {
 width: 54px; height: 54px; border-radius: 16px;
 display: grid; place-items: center;
 background: var(--blue-soft); color: var(--blue-deep); font-size: 1.25rem;
}
.channel-row p { margin: 0; color: var(--muted); }
.tag {
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 padding: 7px 12px;
 font-weight: 800;
 font-size: 0.82rem;
 background: var(--blue-soft);
 color: var(--blue-deep);
 white-space: nowrap;
}
.tag-mint { background: var(--mint); color: var(--mint-ink); }
.tag-amber { background: var(--amber-soft); color: var(--amber); }
.release-note {
 margin-top: 16px;
 display: grid;
 grid-template-columns: 1.2fr .8fr;
 gap: 14px;
}
.note-card, .side-note {
 background: var(--blue-deep);
 color: #fff;
 border-radius: var(--radius);
 padding: 22px;
}
.note-card p, .side-note p { margin: 8px 0 0; color: #d5e3f5; }
.note-list { margin: 12px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.note-list li { display: flex; gap: 8px; align-items: flex-start; }
.note-list i { margin-top: 4px; color: #9ec2f5; }
.steps-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.timeline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0; }
.timeline li {
 display: grid;
 grid-template-columns: 52px 1fr;
 gap: 14px;
 position: relative;
 padding-bottom: 18px;
}
.timeline li::before {
 content: "";
 position: absolute;
 left: 19px;
 top: 40px;
 bottom: 0;
 width: 2px;
 background: #d5e3f3;
}
.timeline li:last-child::before { display: none; }
.step-no {
 width: 40px; height: 40px; border-radius: 50%;
 display: grid; place-items: center;
 background: var(--blue); color: #fff; font-weight: 800;
 box-shadow: 0 8px 16px rgba(31,95,191,.25);
}
.timeline p { margin: 0; color: var(--muted); }
.verify-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: start; }
.check-ico {
 width: 36px; height: 36px; border-radius: 12px;
 display: grid; place-items: center;
 background: #fff; color: var(--mint-ink); border: 1px solid #cfeedf;
}
.side-note { background: #fff; color: var(--ink); border: 1px solid var(--line); box-shadow: var(--shadow); }
.side-note h3 { color: var(--blue-deep); }
.side-note p { color: var(--muted); }
.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 28px; align-items: center; }
.point-list { margin: 18px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.point-list li {
 display: grid;
 grid-template-columns: 42px 1fr;
 gap: 12px;
 align-items: start;
}
.point-list i {
 width: 42px; height: 42px; border-radius: 14px;
 display: grid; place-items: center;
 background: var(--blue-soft); color: var(--blue-deep);
}
.point-list p { margin: 2px 0 0; color: var(--muted); }
.faq-list { display: flex; flex-direction: column; gap: 10px; max-width: 860px; }
.faq-item {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius-sm);
 box-shadow: var(--shadow-soft);
 overflow: hidden;
}
.faq-item[open] { border-color: #b9d0ea; box-shadow: var(--shadow); }
.faq-q {
 width: 100%;
 text-align: left;
 background: transparent;
 border: 0;
 padding: 16px 18px;
 font-weight: 700;
 color: var(--ink);
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 12px;
 list-style: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q i { color: var(--blue); transition: transform .2s; }
.faq-item[open] .faq-q i { transform: rotate(45deg); }
.faq-a { padding: 0 18px 16px; color: var(--muted); }
.faq-a p { margin: 0; }
.signup { background:
 linear-gradient(180deg, rgba(231,240,251,.9), rgba(255,255,255,.92)),
 url("/assets/images/cc0bcfd4893ff2fd.webp") center/cover no-repeat;
}
.signup-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 24px; align-items: start; }
.signup-copy h2 { color: var(--blue-deep); }
.contact-box {
 margin-top: 18px;
 background: #fff;
 border-radius: var(--radius-sm);
 border: 1px solid var(--line);
 padding: 14px 16px;
 box-shadow: var(--shadow-soft);
}
.contact-box a { color: var(--blue); font-weight: 800; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field label { font-weight: 700; font-size: 0.92rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.site-footer { background: var(--blue-deep); color: #e7eef8; padding: 48px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; padding-bottom: 28px; }
.footer-brand { font-weight: 800; font-size: 1.12rem; color: #fff; display: inline-block; margin-bottom: 8px; }
.site-footer p { margin: 0; color: #d5e3f5; }
.foot-links { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.foot-links a { color: #e7eef8; font-weight: 600; }
.foot-links a:hover { color: #fff; }
.legal { border-top: 1px solid rgba(255,255,255,.14); padding: 14px 0 18px; color: #c5d4e8; font-size: 0.92rem; }
@media (max-width: 1200px) {
 .main-nav a { padding: 8px; font-size: 0.84rem; }
 .logo span { max-width: 148px; }
}
@media (max-width: 1100px) {
 .site-header { height: auto; min-height: var(--header); }
 .nav-bar { flex-wrap: wrap; height: auto; min-height: var(--header); padding: 10px 0; }
 .nav-toggle { display: inline-flex; }
 .main-nav {
  display: none;
  order: 5;
  flex: 1 0 100%;
  flex-direction: column;
  align-items: stretch;
  margin: 0;
  padding: 6px 0 8px;
 }
 .main-nav.is-open { display: flex; }
 .main-nav a { border-radius: 12px; }
}
@media (max-width: 1024px) {
 .page-hero-grid, .spec-layout, .steps-wrap, .verify-layout, .split, .signup-grid, .release-note, .footer-grid {
  grid-template-columns: 1fr;
 }
 .entry-panel img, .photo-frame img { height: 280px; }
}
@media (max-width: 768px) {
 .section { padding: 52px 0; }
 .spec-grid, .quick-grid, .form-row { grid-template-columns: 1fr; }
 .page-intro { padding: 26px 20px 22px 24px; }
 .channel-row { grid-template-columns: auto 1fr; }
 .tag { grid-column: 2; justify-self: start; }
}
@media (max-width: 520px) {
 .container { width: min(var(--container), calc(100% - 28px)); }
 .logo span { max-width: 108px; font-size: 0.78rem; }
 .lang { padding: 6px 8px; }
 .page-actions .btn, .form-wide { width: 100%; }
 .channel-row, .timeline li { grid-template-columns: 1fr; }
 .timeline li::before { display: none; }
 .tag { grid-column: auto; }
 .entry-panel img { height: 200px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 * { transition: none !important; }
}

/* roulang page: category3 */
:root {
 --blue: #1f5fbf;
 --blue-deep: #14386f;
 --blue-soft: #e7f0fb;
 --ink: #17324d;
 --muted: #5c6d82;
 --line: #d7e2ee;
 --bg: #f4f7fb;
 --card: #ffffff;
 --mint: #e7f6f1;
 --mint-ink: #0f6b56;
 --amber: #b86a12;
 --amber-soft: #fff4e6;
 --danger: #9b3b3b;
 --radius: 22px;
 --radius-sm: 14px;
 --shadow: 0 18px 46px rgba(20, 56, 111, 0.1);
 --shadow-soft: 0 8px 24px rgba(20, 56, 111, 0.06);
 --space: 88px;
 --container: 1140px;
 --header: 78px;
}
/* roulang page: bo-mt */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
button { cursor: pointer; }
::placeholder { color: #8aa0b8; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 height: var(--header);
 background: rgba(255,255,255,.92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(215,226,238,.9);
 box-shadow: 0 8px 24px rgba(20,56,111,.04);
}
.nav-bar {
 height: var(--header);
 display: flex;
 align-items: center;
 gap: 18px;
}
.logo {
 display: flex;
 align-items: center;
 gap: 10px;
 font-weight: 800;
 letter-spacing: -0.02em;
 color: var(--blue-deep);
 min-width: max-content;
}
.logo-mark {
 width: 38px;
 height: 38px;
 border-radius: 12px;
 display: grid;
 place-items: center;
 color: #fff;
 background: linear-gradient(160deg, #2d74d8, #14386f);
 box-shadow: var(--shadow-soft);
 font-size: 0.95rem;
 flex: 0 0 auto;
 max-width: none;
}
.logo span { font-size: 0.98rem; line-height: 1.2; max-width: 180px; }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.main-nav a {
 padding: 8px 10px;
 border-radius: 999px;
 color: var(--ink);
 font-weight: 600;
 font-size: 0.92rem;
 transition: background .2s, color .2s;
}
.main-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.main-nav a.active, .main-nav a:active { background: var(--blue-deep); color: #fff; }
.lang-switch {
 display: flex;
 align-items: center;
 gap: 2px;
 padding: 4px;
 border: 1px solid var(--line);
 border-radius: 999px;
 background: #fff;
}
.lang {
 border: 0;
 background: transparent;
 color: var(--muted);
 border-radius: 999px;
 padding: 6px 10px;
 font-weight: 800;
 font-size: 0.82rem;
 letter-spacing: 0.04em;
}
.lang.active, .lang[aria-pressed="true"] { background: var(--blue-soft); color: var(--blue-deep); }
.lang:hover { color: var(--blue-deep); }
.nav-toggle {
 display: none;
 margin-left: auto;
 width: 44px;
 height: 44px;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--blue-deep);
 place-items: center;
}
.nav-toggle:hover { border-color: var(--blue); color: var(--blue); }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 border-radius: 999px;
 padding: 12px 18px;
 border: 1px solid transparent;
 font-weight: 700;
 transition: transform .2s, box-shadow .2s, background .2s, color .2s;
 text-align: center;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,191,.25); }
.btn-primary:hover { background: var(--blue-deep); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 9px 14px; font-size: 0.92rem; }
.btn:focus-visible, .lang:focus-visible, .nav-toggle:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .faq-item summary:focus-visible {
 outline: 3px solid rgba(31,95,191,.35);
 outline-offset: 2px;
}
.hero {
 position: relative;
 background:
 linear-gradient(100deg, rgba(244,247,251,.94) 0%, rgba(244,247,251,.88) 46%, rgba(20,56,111,.28) 100%),
 url("/assets/images/512b7bcae83cf167.webp") center/cover no-repeat;
 padding: 54px 0 68px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.hero-copy, .form-card {
 background: rgba(255,255,255,.94);
 border: 1px solid rgba(255,255,255,.8);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.hero-copy { padding: 36px 36px 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.form-card { padding: 26px; }
.form-card h2 { margin: 0 0 6px; font-size: 1.35rem; letter-spacing: -0.02em; }
.form-card p { margin: 0 0 16px; color: var(--muted); }
input, select, textarea {
 width: 100%;
 border: 1px solid var(--line);
 background: #fff;
 border-radius: 12px;
 padding: 12px 13px;
 color: var(--ink);
 font-weight: 500;
 transition: border-color .2s, box-shadow .2s;
}
textarea { min-height: 96px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: #b7cbe4; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31,95,191,.12); outline: none; }
.check { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 0.92rem; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--blue); }
.form-wide { width: 100%; }
.form-note { min-height: 1.4em; margin: 10px 0 0; font-size: 0.92rem; color: var(--danger); }
.form-note.ok { color: var(--mint-ink); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-soft { background: linear-gradient(180deg, #f8fbfe, #eef4fb); }
.section h2, .page-hero h1 {
 margin: 0 0 12px;
 font-size: clamp(1.6rem, 3vw, 2.25rem);
 letter-spacing: -0.03em;
 line-height: 1.25;
}
.section-lead { margin: 0; color: var(--muted); max-width: 760px; }
.section-head { margin-bottom: 28px; }
.photo-frame {
 border-radius: var(--radius);
 overflow: hidden;
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
 background: #d7e2ee;
 min-height: 280px;
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.claim-list { display: flex; flex-direction: column; gap: 14px; }
.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-item {
 display: grid;
 grid-template-columns: auto 1fr;
 gap: 12px;
 align-items: flex-start;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 16px;
 padding: 14px 16px;
 box-shadow: var(--shadow-soft);
 transition: border-color .2s, background .2s;
}
.check-item input { width: 20px; height: 20px; margin-top: 4px; accent-color: var(--blue); }
.check-item p { margin: 4px 0 0; color: var(--muted); }
.check-item strong { display: block; }
.check-item.is-done { background: var(--mint); border-color: #cfeedf; }
.badge-rail { display: flex; flex-wrap: wrap; gap: 12px; }
.badge {
 display: flex;
 gap: 12px;
 align-items: center;
 background: #fff;
 border-radius: 999px;
 padding: 10px 16px 10px 10px;
 border: 1px solid var(--line);
 box-shadow: var(--shadow-soft);
 min-width: 220px;
}
.badge i {
 width: 42px; height: 42px; border-radius: 50%;
 display: grid; place-items: center;
 background: var(--amber-soft); color: var(--amber);
}
.badge b { display: block; line-height: 1.3; }
.badge span { color: var(--muted); font-size: 0.85rem; }
.site-footer {
 background: var(--blue-deep);
 color: #e7eef8;
 padding: 48px 0 0;
 margin-top: 0;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.footer-brand { font-weight: 800; color: #fff; font-size: 1.12rem; letter-spacing: -0.02em; }
.site-footer p { color: #d5e4f7; margin: 12px 0 0; }
.site-footer strong { color: #fff; }
.foot-links { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.foot-links a { color: #d5e4f7; }
.foot-links a:hover { color: #fff; }
.legal {
 border-top: 1px solid rgba(255,255,255,.14);
 margin-top: 28px;
 padding: 16px 0 20px;
 color: #c5d4e8;
 font-size: .92rem;
}
.page-hero {
 position: relative;
 padding: 42px 0 64px;
 background:
 linear-gradient(105deg, rgba(244,247,251,.96) 0%, rgba(244,247,251,.9) 48%, rgba(20,56,111,.42) 100%),
 url("/assets/images/09e8c9078334f01a.webp") center/cover no-repeat;
}
.crumb { display: flex; gap: 8px; align-items: center; color: var(--muted); font-weight: 600; font-size: 0.92rem; margin-bottom: 14px; }
.crumb a:hover { color: var(--blue); }
.kicker {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 background: var(--blue-soft);
 color: var(--blue-deep);
 border-radius: 999px;
 padding: 6px 12px;
 font-weight: 700;
 font-size: 0.86rem;
 margin-bottom: 14px;
}
.lead-lg { font-size: 1.05rem; color: var(--muted); margin: 0 0 22px; }
.status-panel { padding: 22px; }
.panel-top { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 16px; }
.ring {
 width: 92px;
 height: 92px;
 border-radius: 50%;
 display: grid;
 place-items: center;
 background: conic-gradient(var(--mint-ink) 0 78%, #d7e2ee 78% 100%);
 flex: 0 0 auto;
}
.ring span {
 width: 70px;
 height: 70px;
 border-radius: 50%;
 background: #fff;
 display: grid;
 place-items: center;
 text-align: center;
 font-weight: 800;
 color: var(--blue-deep);
 line-height: 1.15;
 font-size: 0.95rem;
}
.ring small { display: block; font-weight: 600; color: var(--muted); font-size: 0.68rem; }
.level-list { display: flex; flex-direction: column; gap: 10px; }
.level {
 display: grid;
 grid-template-columns: auto 1fr auto;
 gap: 12px;
 align-items: center;
 border: 1px solid var(--line);
 border-radius: 16px;
 padding: 12px;
 background: #f8fbfe;
 transition: transform .2s, box-shadow .2s, border-color .2s;
}
.level:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); border-color: #b7cbe4; }
.level i {
 width: 38px; height: 38px; border-radius: 12px;
 display: grid; place-items: center;
 background: var(--blue-soft); color: var(--blue-deep);
}
.level b { display: block; line-height: 1.3; }
.level p { margin: 2px 0 0; color: var(--muted); font-size: 0.88rem; }
.pill {
 border-radius: 999px;
 padding: 4px 10px;
 font-size: 0.78rem;
 font-weight: 800;
 background: var(--mint);
 color: var(--mint-ink);
}
.pill.wait { background: var(--amber-soft); color: var(--amber); }
.protect-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.split-head { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: end; margin-bottom: 22px; }
.claim {
 display: grid;
 grid-template-columns: auto 1fr;
 gap: 12px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 18px;
 padding: 16px;
 box-shadow: var(--shadow-soft);
}
.claim i { color: var(--blue); margin-top: 4px; }
.claim p { margin: 4px 0 0; color: var(--muted); }
.metric-band {
 background: linear-gradient(120deg, #14386f, #1f5fbf 70%);
 color: #fff;
}
.metric-band .section-lead { color: #d5e4f7; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 26px; }
.metric {
 background: rgba(255,255,255,.08);
 border: 1px solid rgba(255,255,255,.16);
 border-radius: 18px;
 padding: 18px;
 min-height: 148px;
}
.metric b { display: block; font-size: 1.7rem; letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 8px; }
.metric span { color: #d5e4f7; display: block; }
.story-stack { display: flex; flex-direction: column; gap: 22px; }
.story {
 display: grid;
 grid-template-columns: .86fr 1.14fr;
 gap: 22px;
 align-items: center;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 14px;
 box-shadow: var(--shadow-soft);
}
.story.reverse { grid-template-columns: 1.14fr .86fr; }
.story img { width: 100%; height: 250px; object-fit: cover; border-radius: 16px; }
.story h3 { margin: 0 0 8px; font-size: 1.35rem; letter-spacing: -0.03em; }
.story p { margin: 0; color: var(--muted); }
.signal { margin-top: 22px; display: grid; grid-template-columns: 280px 1fr; gap: 18px; align-items: start; }
.clean { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.clean li {
 display: flex;
 gap: 10px;
 align-items: flex-start;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 14px;
 padding: 12px 14px;
 box-shadow: var(--shadow-soft);
}
.clean i { color: var(--amber); margin-top: 3px; }
.note-list { display: flex; flex-direction: column; gap: 12px; }
.note {
 display: grid;
 grid-template-columns: 112px 1fr auto;
 gap: 16px;
 align-items: center;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 18px;
 padding: 10px;
 box-shadow: var(--shadow-soft);
 transition: transform .2s, box-shadow .2s;
}
.note:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.note img { width: 112px; height: 84px; object-fit: cover; border-radius: 12px; }
.note h3 { margin: 0 0 4px; font-size: 1.05rem; }
.note p { margin: 0; color: var(--muted); }
.tag {
 justify-self: end;
 background: var(--blue-soft);
 color: var(--blue-deep);
 border-radius: 999px;
 padding: 6px 10px;
 font-size: 0.8rem;
 font-weight: 800;
}
.faq-list { display: flex; flex-direction: column; gap: 10px; max-width: 860px; }
.faq-item {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 16px;
 box-shadow: var(--shadow-soft);
 overflow: hidden;
}
.faq-item summary {
 list-style: none;
 cursor: pointer;
 padding: 16px 18px;
 font-weight: 750;
 font-weight: 700;
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--blue); font-size: 1.3rem; line-height: 1; }
.faq-item[open] summary::after { content: "–"; }
.faq-item summary:hover { background: #f7fbff; }
.faq-a { padding: 0 18px 16px; color: var(--muted); }
.faq-a p { margin: 0; }
.cta-band {
 background:
 linear-gradient(105deg, rgba(20,56,111,.9), rgba(31,95,191,.78)),
 url("/assets/images/487cdce2272a33d7.webp") center/cover no-repeat;
}
.cta-band h2 { color: #fff; }
.cta-band .section-lead { color: #d7e6f8; }
.cta-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.contact-points { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.contact-points span {
 display: flex;
 gap: 10px;
 align-items: center;
 color: #fff;
 background: rgba(255,255,255,.08);
 border: 1px solid rgba(255,255,255,.16);
 border-radius: 14px;
 padding: 10px 12px;
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field label { font-weight: 700; font-size: 0.92rem; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 1180px) {
 .site-header { height: auto; }
 .nav-bar { height: auto; min-height: var(--header); flex-wrap: wrap; padding: 10px 0; }
 .nav-toggle { display: inline-grid; }
 .logo { min-width: 0; }
 .main-nav {
 display: none;
 order: 5;
 width: 100%;
 margin: 8px 0 0;
 padding: 8px;
 flex-direction: column;
 align-items: stretch;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 16px;
 box-shadow: var(--shadow);
 }
 .main-nav.is-open { display: flex; }
 .main-nav a { padding: 12px 14px; }
 .nav-cta { display: none; }
}
@media (max-width: 1024px) {
 .hero-grid, .protect-layout, .split-head, .story, .story.reverse, .cta-grid, .footer-grid, .signal {
 grid-template-columns: 1fr;
 }
 .metric-grid { grid-template-columns: 1fr 1fr; }
 .story img, .photo-frame img { min-height: 220px; height: 240px; }
 .tag { justify-self: start; }
 .note { grid-template-columns: 112px 1fr; }
}
@media (max-width: 768px) {
 :root { --space: 64px; }
 .section h2, .page-hero h1 { font-size: 1.7rem; }
 .two-col { grid-template-columns: 1fr; }
 .panel-top { align-items: flex-start; }
 .badge { min-width: 0; width: 100%; }
}
@media (max-width: 520px) {
 .container { width: min(var(--container), calc(100% - 28px)); }
 .logo span { max-width: 126px; font-size: 0.82rem; }
 .lang { padding: 6px 8px; }
 .hero-copy, .form-card, .status-panel { padding: 18px; }
 .hero-actions .btn, .form-wide { width: 100%; }
 .metric-grid { grid-template-columns: 1fr; }
 .note { grid-template-columns: 1fr; }
 .note img { width: 100%; height: 160px; }
 .page-hero { padding: 28px 0 42px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { transition: none !important; }
}

/* roulang page: category4 */
:root {
  --blue: #1f5fbf;
  --blue-deep: #14386f;
  --blue-soft: #e7f0fb;
  --ink: #17324d;
  --muted: #5c6d82;
  --line: #d7e2ee;
  --bg: #f4f7fb;
  --card: #ffffff;
  --mint: #e7f6f1;
  --mint-ink: #0f6b56;
  --amber: #b86a12;
  --amber-soft: #fff4e6;
  --danger: #9b3b3b;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 18px 46px rgba(20, 56, 111, 0.1);
  --shadow-soft: 0 8px 24px rgba(20, 56, 111, 0.06);
  --space: 88px;
  --container: 1140px;
  --header: 78px;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
button { cursor: pointer; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(215,226,238,.9);
  box-shadow: 0 8px 24px rgba(20,56,111,.04);
}
.nav-bar {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 18px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--blue-deep);
  min-width: max-content;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(160deg, #2d74d8, #14386f);
  box-shadow: var(--shadow-soft);
  font-size: 0.95rem;
}
.logo span { font-size: 0.98rem; line-height: 1.2; max-width: 180px; }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.main-nav a {
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.92rem;
  transition: background .2s, color .2s;
}
.main-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.main-nav a.active, .main-nav a:active { background: var(--blue-deep); color: #fff; }
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
}
.lang {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  border-radius: 999px;
  padding: 6px 10px;
  line-height: 1;
}
.lang.active, .lang[aria-pressed="true"] { background: var(--blue-soft); color: var(--blue-deep); }
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--blue-deep);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 18px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,191,.25); }
.btn-primary:hover { background: var(--blue-deep); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 9px 14px; font-size: 0.92rem; }
.btn:focus-visible, .lang:focus-visible, .nav-toggle:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .faq-q:focus-visible {
  outline: 3px solid rgba(31,95,191,.35);
  outline-offset: 2px;
}
.hero {
  position: relative;
  background:
    linear-gradient(100deg, rgba(244,247,251,.94) 0%, rgba(244,247,251,.88) 46%, rgba(20,56,111,.28) 100%),
    url("/assets/images/512b7bcae83cf167.webp") center/cover no-repeat;
  padding: 54px 0 68px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.hero-copy, .form-card {
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(255,255,255,.8);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-copy { padding: 36px 36px 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.form-card { padding: 26px; }
.form-card h2 { margin: 0 0 6px; font-size: 1.35rem; letter-spacing: -0.02em; }
.form-card p { margin: 0 0 16px; color: var(--muted); }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 12px 13px;
  color: var(--ink);
  font-weight: 500;
  transition: border-color .2s, box-shadow .2s;
}
textarea { min-height: 96px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: #b7cbe4; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31,95,191,.12); outline: none; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--blue); }
.form-wide { width: 100%; }
.form-note { min-height: 1.4em; margin: 10px 0 0; font-size: 0.92rem; color: var(--danger); }
.form-note.ok { color: var(--mint-ink); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-soft { background: linear-gradient(180deg, #f8fbfe, #eef4fb); }
.section h2 { margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -0.03em; line-height: 1.25; }
.section-lead { margin: 0; color: var(--muted); max-width: 760px; }
.section-head { margin-bottom: 28px; }
.photo-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); background: #d7e4f3; }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.claim-list { display: flex; flex-direction: column; gap: 14px; }
.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: var(--shadow-soft);
}
.check-item input { width: 20px; height: 20px; margin-top: 4px; accent-color: var(--blue); }
.check-item p { margin: 4px 0 0; color: var(--muted); }
.check-item.is-done { background: var(--mint); border-color: #cfeedf; }
.badge-rail { display: flex; flex-wrap: wrap; gap: 12px; }
.badge {
  display: flex;
  gap: 12px;
  align-items: center;
  background: #fff;
  border-radius: 999px;
  padding: 10px 16px 10px 10px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  min-width: 220px;
}
.badge i {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--amber-soft);
  color: var(--amber);
}
.badge b { display: block; line-height: 1.3; }
.badge span { color: var(--muted); font-size: 0.85rem; }
.page-hero {
  position: relative;
  background:
    linear-gradient(105deg, rgba(244,247,251,.96) 0%, rgba(244,247,251,.9) 48%, rgba(20,56,111,.42) 100%),
    url("/assets/images/09e8c9078334f01a.webp") center/cover no-repeat;
  padding: 42px 0 64px;
}
.sync-layout { display: grid; grid-template-columns: 1.12fr .88fr; gap: 28px; align-items: stretch; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-weight: 600; font-size: 0.92rem; margin-bottom: 14px; }
.crumb a { color: var(--blue-deep); }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 800;
  font-size: 0.86rem;
}
.page-hero h1 {
  margin: 14px 0 12px;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: var(--blue-deep);
}
.lede { margin: 0 0 18px; color: var(--ink); font-size: 1.05rem; max-width: 640px; }
.sync-board, .panel, .note-card, .faq-item, .metric, .scope-row, .step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.sync-board { padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.board-top { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.board-top strong { font-size: 1.15rem; letter-spacing: -0.02em; }
.live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mint-ink);
  background: var(--mint);
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 800;
  font-size: 0.82rem;
}
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #14956d;
  box-shadow: 0 0 0 6px rgba(20,149,109,.16);
}
.board-row {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.board-row i {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--blue-soft);
  color: var(--blue-deep);
}
.board-row b { display: block; line-height: 1.3; }
.board-row span, .muted { color: var(--muted); }
.meter { height: 8px; background: #e6eef8; border-radius: 999px; overflow: hidden; }
.meter span { display: block; height: 100%; width: 75%; background: linear-gradient(90deg, #2d74d8, #14956d); border-radius: inherit; }
.scope-list { display: flex; flex-direction: column; gap: 14px; }
.scope-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  transition: transform .2s, box-shadow .2s;
}
.scope-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.scope-index {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-weight: 800;
  font-size: 1.2rem;
}
.scope-row h3, .step h3, .note-card h3, .panel h3 { margin: 0 0 6px; font-size: 1.12rem; letter-spacing: -0.02em; }
.scope-row p, .step p, .note-card p, .panel p { margin: 0; color: var(--muted); }
.scope-tag, .tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 800;
  background: var(--mint);
  color: var(--mint-ink);
  white-space: nowrap;
}
.tag.wait { background: var(--amber-soft); color: var(--amber); }
.tag.plain { background: var(--blue-soft); color: var(--blue-deep); }
.stepper { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 0; padding: 0; list-style: none; }
.step { padding: 20px; position: relative; }
.step-no {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--blue-deep);
  color: #fff;
  font-weight: 800;
  margin-bottom: 12px;
}
.metric-wrap { display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; align-items: center; }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.metric { padding: 18px 18px 16px; }
.metric b { display: block; font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -0.04em; color: var(--blue-deep); line-height: 1.1; }
.metric span { color: var(--muted); }
.story-grid, .trial-grid, .note-grid, .faq-layout { display: grid; gap: 28px; align-items: start; }
.story-grid { grid-template-columns: .92fr 1.08fr; }
.note-grid { grid-template-columns: 1.15fr .85fr; }
.trial-grid { grid-template-columns: .9fr 1.1fr; }
.faq-layout { grid-template-columns: 1.2fr .8fr; }
.caption { margin-top: 10px; color: var(--muted); font-size: 0.92rem; }
.clean-list { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-direction: column; gap: 10px; }
.clean-list li { display: flex; gap: 10px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
.clean-list i { color: var(--mint-ink); margin-top: 4px; }
.note-feature { padding: 0; overflow: hidden; }
.note-feature img { width: 100%; height: 230px; object-fit: cover; }
.note-feature div, .note-card { padding: 18px; }
.note-side { display: flex; flex-direction: column; gap: 14px; }
.note-card { transition: transform .2s, box-shadow .2s; }
.note-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { overflow: hidden; }
.faq-q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--ink);
  font-weight: 800;
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.faq-q i { color: var(--blue); transition: transform .2s; }
.faq-item.is-open .faq-q i { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 18px 16px; color: var(--muted); }
.faq-item.is-open .faq-a { display: block; }
.panel { padding: 22px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field span { font-weight: 700; font-size: 0.92rem; }
.check { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); margin: 4px 0 12px; }
.site-footer { background: var(--blue-deep); color: #d5e4f7; padding: 48px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.footer-brand { color: #fff; font-weight: 800; font-size: 1.08rem; }
.site-footer p { color: #d5e4f7; }
.site-footer strong { color: #fff; display: block; }
.foot-links { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.foot-links a { color: #d5e4f7; transition: color .2s; }
.foot-links a:hover { color: #fff; }
.legal { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.14); color: #b7c9e2; font-size: 0.92rem; }
@media (max-width: 1100px) {
  .main-nav a { font-size: 0.8rem; padding: 7px 8px; }
  .logo span { max-width: 128px; font-size: 0.88rem; }
}
@media (max-width: 1024px) {
  .site-header { height: auto; }
  .nav-bar { flex-wrap: wrap; height: auto; min-height: var(--header); padding: 12px 0; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .main-nav, .lang-switch, .nav-cta { display: none; }
  .nav-bar.is-open .main-nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    order: 5;
    margin: 8px 0 0;
    padding: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
  }
  .nav-bar.is-open .main-nav a { padding: 10px 12px; }
  .nav-bar.is-open .lang-switch { display: inline-flex; order: 3; }
  .nav-bar.is-open .nav-cta { display: inline-flex; order: 4; margin-left: auto; }
  .sync-layout, .metric-wrap, .story-grid, .note-grid, .trial-grid, .faq-layout, .stepper, .footer-grid { grid-template-columns: 1fr; }
  .photo-frame img, .note-feature img { min-height: 220px; height: 240px; }
}
@media (max-width: 768px) {
  :root { --space: 64px; }
  .scope-row, .board-row { grid-template-columns: 1fr; }
  .scope-index { width: 56px; height: 56px; }
  .metric-grid { grid-template-columns: 1fr; }
  .hero-copy, .form-card { padding: 22px; }
  .badge { min-width: 0; width: 100%; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .page-hero { padding: 28px 0 40px; }
  .page-hero h1 { font-size: 1.72rem; }
  .sync-board, .panel, .step, .note-card { padding: 16px; }
  .btn { width: 100%; }
  .hero-actions .btn { width: 100%; }
  .logo span { max-width: 150px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category5 */
:root {
 --blue: #1f5fbf;
 --blue-deep: #14386f;
 --blue-soft: #e7f0fb;
 --ink: #17324d;
 --muted: #5c6d82;
 --line: #d7e2ee;
 --bg: #f4f7fb;
 --card: #ffffff;
 --mint: #e7f6f1;
 --mint-ink: #0f6b56;
 --amber: #b86a12;
 --amber-soft: #fff4e6;
 --danger: #9b3b3b;
 --radius: 22px;
 --radius-sm: 14px;
 --shadow: 0 18px 46px rgba(20, 56, 111, 0.1);
 --shadow-soft: 0 8px 24px rgba(20, 56, 111, 0.06);
 --space: 88px;
 --container: 1140px;
 --header: 78px;
}
/* roulang page: u-i */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
button { cursor: pointer; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 height: var(--header);
 background: rgba(255,255,255,.92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(215,226,238,.9);
 box-shadow: 0 8px 24px rgba(20,56,111,.04);
}
.nav-bar {
 height: var(--header);
 display: flex;
 align-items: center;
 gap: 18px;
 position: relative;
}
.logo {
 display: flex;
 align-items: center;
 gap: 10px;
 font-weight: 800;
 letter-spacing: -0.02em;
 color: var(--blue-deep);
 min-width: max-content;
}
.logo-mark {
 width: 38px;
 height: 38px;
 border-radius: 12px;
 display: grid;
 place-items: center;
 color: #fff;
 background: linear-gradient(160deg, #2d74d8, #14386f);
 box-shadow: var(--shadow-soft);
 font-size: 0.95rem;
}
.logo span { font-size: 0.98rem; line-height: 1.2; max-width: 180px; }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.main-nav a {
 padding: 8px 10px;
 border-radius: 999px;
 color: var(--ink);
 font-weight: 600;
 font-size: 0.92rem;
 transition: background .2s, color .2s;
}
.main-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.main-nav a.active, .main-nav a:active { background: var(--blue-deep); color: #fff; }
.lang-switch {
 display: flex;
 align-items: center;
 gap: 2px;
 padding: 3px;
 border: 1px solid var(--line);
 border-radius: 999px;
 background: #fff;
}
.lang {
 border: 0;
 background: transparent;
 color: var(--muted);
 font-weight: 700;
 border-radius: 999px;
 padding: 6px 10px;
}
.lang.active, .lang[aria-pressed="true"] { background: var(--blue-soft); color: var(--blue-deep); }
.nav-toggle {
 display: none;
 margin-left: auto;
 width: 44px;
 height: 44px;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--blue-deep);
}
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 border-radius: 999px;
 padding: 12px 18px;
 border: 1px solid transparent;
 font-weight: 700;
 transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,191,.25); }
.btn-primary:hover { background: var(--blue-deep); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 9px 14px; font-size: 0.92rem; }
.btn-light { background: #fff; color: var(--blue-deep); }
.btn-light:hover { transform: translateY(-1px); box-shadow: var(--shadow-soft); }
.btn:focus-visible, .lang:focus-visible, .nav-toggle:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .faq-q:focus-visible {
 outline: 3px solid rgba(31,95,191,.35);
 outline-offset: 2px;
}
.hero {
 position: relative;
 background:
 linear-gradient(100deg, rgba(244,247,251,.94) 0%, rgba(244,247,251,.88) 46%, rgba(20,56,111,.28) 100%),
 url("/assets/images/512b7bcae83cf167.webp") center/cover no-repeat;
 padding: 54px 0 68px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.hero-copy, .form-card {
 background: rgba(255,255,255,.94);
 border: 1px solid rgba(255,255,255,.8);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.hero-copy { padding: 36px 36px 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.form-card { padding: 26px; }
.form-card h2 { margin: 0 0 6px; font-size: 1.35rem; letter-spacing: -0.02em; }
.form-card p { margin: 0 0 16px; color: var(--muted); }
input, select, textarea {
 width: 100%;
 border: 1px solid var(--line);
 background: #fff;
 border-radius: 12px;
 padding: 12px 13px;
 color: var(--ink);
 font-weight: 500;
 transition: border-color .2s, box-shadow .2s;
}
textarea { min-height: 96px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: #b7cbe4; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31,95,191,.12); outline: none; }
.check { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 0.92rem; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--blue); }
.form-wide { width: 100%; }
.form-note { min-height: 1.4em; margin: 10px 0 0; font-size: 0.92rem; color: var(--danger); }
.form-note.ok { color: var(--mint-ink); }
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-soft { background: linear-gradient(180deg, #f8fbfe, #eef4fb); }
.section h2 { margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -0.03em; line-height: 1.25; }
.section-lead { margin: 0; color: var(--muted); max-width: 760px; }
.section-head { margin-bottom: 28px; }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.claim-list { display: flex; flex-direction: column; gap: 14px; }
.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-item {
 display: grid;
 grid-template-columns: auto 1fr;
 gap: 12px;
 align-items: flex-start;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 16px;
 padding: 14px 16px;
 box-shadow: var(--shadow-soft);
}
.check-item input { width: 20px; height: 20px; margin-top: 4px; accent-color: var(--blue); }
.check-item p { margin: 4px 0 0; color: var(--muted); }
.check-item.is-done { background: var(--mint); border-color: #cfeedf; }
.badge-rail { display: flex; flex-wrap: wrap; gap: 12px; }
.badge {
 display: flex;
 gap: 12px;
 align-items: center;
 background: #fff;
 border-radius: 999px;
 padding: 10px 16px 10px 10px;
 border: 1px solid var(--line);
 box-shadow: var(--shadow-soft);
 min-width: 220px;
}
.badge i {
 width: 42px; height: 42px; border-radius: 50%;
 display: grid; place-items: center;
 background: var(--amber-soft); color: var(--amber);
}
.badge b { display: block; line-height: 1.3; }
.badge span { color: var(--muted); font-size: 0.82rem; }
.kicker {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 color: var(--blue);
 font-weight: 700;
 font-size: 0.86rem;
 letter-spacing: 0.04em;
 text-transform: uppercase;
 margin-bottom: 10px;
}
.offer-hero {
 position: relative;
 color: #fff;
 background:
 linear-gradient(105deg, rgba(10,28,54,.92) 0%, rgba(20,56,111,.86) 48%, rgba(20,56,111,.55) 100%),
 url("/assets/images/cc0bcfd4893ff2fd.webp") center/cover no-repeat;
 padding: 54px 0 62px;
}
.offer-hero .crumb { display: flex; gap: 8px; align-items: center; color: rgba(255,255,255,.78); font-size: 0.9rem; margin-bottom: 18px; }
.offer-hero .crumb a { color: #fff; font-weight: 600; }
.hero-shell { display: grid; grid-template-columns: 1.12fr .88fr; gap: 28px; align-items: stretch; }
.hero-panel h1 { margin: 0 0 14px; font-size: clamp(2rem, 4vw, 3.15rem); line-height: 1.15; letter-spacing: -0.04em; }
.hero-panel p { margin: 0 0 22px; color: rgba(255,255,255,.86); max-width: 620px; font-size: 1.05rem; }
.hero-panel .kicker { color: #d7e8ff; }
.rank-panel {
 background: rgba(255,255,255,.08);
 border: 1px solid rgba(255,255,255,.18);
 border-radius: var(--radius);
 padding: 18px;
 backdrop-filter: blur(10px);
 box-shadow: 0 20px 40px rgba(0,0,0,.16);
}
.rank-panel h2 { margin: 4px 8px 14px; font-size: 1.15rem; letter-spacing: -0.02em; }
.rank-row {
 display: grid;
 grid-template-columns: auto 1fr auto;
 gap: 12px;
 align-items: center;
 padding: 12px;
 border-radius: 16px;
 background: rgba(255,255,255,.08);
 margin-bottom: 8px;
}
.rank-row:last-child { margin-bottom: 0; }
.rank-no {
 width: 36px; height: 36px; border-radius: 12px;
 display: grid; place-items: center;
 background: #fff; color: var(--blue-deep); font-weight: 800;
}
.rank-row b { display: block; line-height: 1.3; }
.rank-row span { color: rgba(255,255,255,.75); font-size: 0.86rem; }
.rank-tag {
 font-size: 0.78rem;
 font-weight: 700;
 padding: 6px 10px;
 border-radius: 999px;
 background: rgba(255,255,255,.16);
 white-space: nowrap;
}
.campaign-grid, .safe-grid, .trial-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.campaign-photo img, .safe-photo img {
 width: 100%;
 height: 100%;
 min-height: 320px;
 object-fit: cover;
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.pill {
 background: var(--blue-soft);
 color: var(--blue-deep);
 border-radius: 999px;
 padding: 6px 12px;
 font-weight: 700;
 font-size: 0.86rem;
}
.offer-row {
 display: grid;
 grid-template-columns: 72px 1.3fr .9fr auto;
 gap: 18px;
 align-items: center;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 18px 20px;
 box-shadow: var(--shadow-soft);
 margin-bottom: 14px;
 transition: transform .2s, box-shadow .2s;
}
.offer-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.offer-ico {
 width: 72px; height: 72px; border-radius: 20px;
 display: grid; place-items: center;
 background: var(--blue-soft); color: var(--blue-deep); font-size: 1.4rem;
}
.offer-row h3 { margin: 0 0 4px; font-size: 1.15rem; letter-spacing: -0.02em; }
.offer-row p { margin: 0; color: var(--muted); }
.status {
 justify-self: end;
 font-weight: 800;
 color: var(--mint-ink);
 background: var(--mint);
 border-radius: 999px;
 padding: 8px 12px;
 font-size: 0.86rem;
}
.status.wait { color: var(--amber); background: var(--amber-soft); }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.step-line { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.step {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 18px 16px 16px;
 box-shadow: var(--shadow-soft);
 position: relative;
 min-height: 180px;
}
.step em {
 font-style: normal;
 font-weight: 800;
 color: var(--blue);
 font-size: 0.86rem;
}
.step h3 { margin: 10px 0 8px; font-size: 1.05rem; letter-spacing: -0.02em; }
.step p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }
.stat {
 background: var(--blue-soft);
 border-radius: 18px;
 padding: 16px;
}
.stat b { display: block; font-size: 1.45rem; letter-spacing: -0.03em; color: var(--blue-deep); }
.stat span { color: var(--muted); font-size: 0.9rem; }
.safe-list { margin: 16px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.safe-list li {
 display: flex; gap: 10px; align-items: flex-start;
 background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px;
}
.safe-list i { color: var(--mint-ink); margin-top: 4px; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
 display: grid;
 grid-template-columns: 148px 1fr auto;
 gap: 16px;
 align-items: center;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 12px;
 box-shadow: var(--shadow-soft);
}
.news-item img { width: 148px; height: 104px; object-fit: cover; border-radius: 16px; }
.news-item h3 { margin: 0 0 6px; font-size: 1.08rem; }
.news-item p { margin: 0; color: var(--muted); }
.news-meta { color: var(--blue); font-weight: 700; font-size: 0.84rem; }
.log-list { display: flex; flex-direction: column; gap: 0; border-left: 3px solid #c9daf0; margin-left: 10px; }
.log-item { position: relative; padding: 0 0 22px 26px; }
.log-item::before {
 content: "";
 position: absolute;
 left: -8px; top: 6px;
 width: 13px; height: 13px; border-radius: 50%;
 background: var(--blue);
 box-shadow: 0 0 0 4px var(--blue-soft);
}
.log-item h3 { margin: 0 0 4px; font-size: 1.08rem; }
.log-item p { margin: 0; color: var(--muted); }
.faq-list { display: flex; flex-direction: column; gap: 10px; max-width: 860px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-soft); overflow: hidden; }
.faq-q {
 width: 100%;
 text-align: left;
 background: #fff;
 border: 0;
 padding: 16px 18px;
 font-weight: 700;
 color: var(--ink);
 display: flex;
 justify-content: space-between;
 gap: 12px;
}
.faq-q i { color: var(--blue); transition: transform .2s; }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 18px 16px; color: var(--muted); }
.faq-item.open .faq-a { display: block; }
.trial-card {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
}
.field { margin-bottom: 12px; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; font-size: 0.92rem; }
.trial-copy h2 { max-width: 520px; }
.site-footer { background: var(--blue-deep); color: rgba(255,255,255,.86); padding: 42px 0 18px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.footer-brand { display: inline-block; color: #fff; font-weight: 800; font-size: 1.15rem; margin-bottom: 8px; }
.foot-links { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.foot-links a:hover { color: #fff; }
.legal { margin-top: 26px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.16); color: rgba(255,255,255,.7); font-size: 0.92rem; }
@media (max-width: 1024px) {
 .hero-shell, .campaign-grid, .safe-grid, .trial-grid, .step-line { grid-template-columns: 1fr 1fr; }
 .step-line { grid-template-columns: 1fr 1fr; }
 .step:last-child { grid-column: 1 / -1; }
 .offer-row { grid-template-columns: 72px 1fr; }
 .status, .offer-row p { grid-column: 2; }
 .status { justify-self: start; }
 .stat-row { grid-template-columns: 1fr 1fr; }
 .main-nav a { padding: 8px 8px; font-size: 0.84rem; }
 .logo span { max-width: 140px; }
}
@media (max-width: 768px) {
 .nav-toggle { display: grid; place-items: center; }
 .main-nav {
 display: none;
 position: absolute;
 top: var(--header);
 left: 0;
 right: 0;
 flex-direction: column;
 align-items: stretch;
 background: #fff;
 border-bottom: 1px solid var(--line);
 box-shadow: var(--shadow);
 padding: 10px;
 margin: 0;
 }
 .main-nav.is-open { display: flex; }
 .main-nav a { padding: 12px; }
 .nav-cta { display: none; }
 .hero-shell, .campaign-grid, .safe-grid, .trial-grid, .check-grid, .footer-grid, .news-item { grid-template-columns: 1fr; }
 .news-item img { width: 100%; height: 180px; }
 .offer-hero { padding: 36px 0 42px; }
 .section { padding: 56px 0; }
}
@media (max-width: 520px) {
 .container { width: min(var(--container), calc(100% - 28px)); }
 .step-line, .stat-row, .offer-row { grid-template-columns: 1fr; }
 .status, .offer-row p { grid-column: auto; }
 .hero-actions, .hero-actions .btn { width: 100%; }
 .rank-row { grid-template-columns: auto 1fr; }
 .rank-tag { grid-column: 2; justify-self: start; }
 .logo span { max-width: 120px; font-size: 0.86rem; }
 .lang { padding: 6px 8px; }
}

/* roulang page: category6 */
:root {
  --blue: #1f5fbf;
  --blue-deep: #14386f;
  --blue-soft: #e7f0fb;
  --ink: #17324d;
  --muted: #5c6d82;
  --line: #d7e2ee;
  --bg: #f4f7fb;
  --card: #ffffff;
  --mint: #e7f6f1;
  --mint-ink: #0f6b56;
  --amber: #b86a12;
  --amber-soft: #fff4e6;
  --danger: #9b3b3b;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 18px 46px rgba(20, 56, 111, 0.1);
  --shadow-soft: 0 8px 24px rgba(20, 56, 111, 0.06);
  --space: 88px;
  --container: 1140px;
  --header: 78px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
button { cursor: pointer; }
::selection { background: #cfe0f8; color: var(--blue-deep); }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(215,226,238,.9);
  box-shadow: 0 8px 24px rgba(20,56,111,.04);
}
.nav-bar {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--blue-deep);
  min-width: max-content;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(160deg, #2d74d8, #14386f);
  box-shadow: var(--shadow-soft);
  font-size: 0.95rem;
  flex: none;
}
.logo span { font-size: 0.9rem; line-height: 1.2; max-width: 148px; }
.main-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.main-nav a {
  padding: 8px 8px;
  border-radius: 999px;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.84rem;
  transition: background .2s, color .2s;
  white-space: nowrap;
}
.main-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.main-nav a.active, .main-nav a:active { background: var(--blue-deep); color: #fff; }
.lang-switch {
  display: flex;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  gap: 2px;
  flex: none;
}
.lang {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  border-radius: 999px;
  padding: 6px 9px;
  line-height: 1;
  transition: background .2s, color .2s;
}
.lang:hover { color: var(--blue-deep); }
.lang.active, .lang[aria-pressed="true"] { background: var(--blue-soft); color: var(--blue-deep); }
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--blue-deep);
  place-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 18px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,191,.25); }
.btn-primary:hover { background: var(--blue-deep); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 9px 14px; font-size: 0.92rem; }
.btn:focus-visible, .lang:focus-visible, .nav-toggle:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .faq-q:focus-visible {
  outline: 3px solid rgba(31,95,191,.35);
  outline-offset: 2px;
}
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-soft { background: linear-gradient(180deg, #f8fbfe, #eef4fb); }
.section h2, .safety-band h2 {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  letter-spacing: -0.03em;
  line-height: 1.25;
}
.section-lead { margin: 0; color: var(--muted); max-width: 760px; }
.section-head { margin-bottom: 28px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--blue);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: 0.9rem; margin-bottom: 16px; }
.crumbs a { color: var(--blue-deep); font-weight: 700; }
.crumbs a:hover { text-decoration: underline; }
.mast {
  background:
    linear-gradient(105deg, rgba(244,247,251,.96) 0%, rgba(244,247,251,.9) 48%, rgba(20,56,111,.38) 100%),
    url("/assets/images/09e8c9078334f01a.webp") center/cover no-repeat;
  padding: 36px 0 58px;
}
.mast-grid { display: grid; grid-template-columns: 1.35fr .78fr; gap: 22px; align-items: stretch; }
.feature-card, .headline-rail, .story-copy, .device-copy, .notice, .release-row, .faq-item, .form-card, .stream-item, .metric {
  background: rgba(255,255,255,.96);
  border: 1px solid rgba(215,226,238,.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.feature-card { overflow: hidden; display: flex; flex-direction: column; }
.feature-card img { width: 100%; height: 280px; object-fit: cover; }
.feature-body { padding: 24px 26px 26px; }
.feature-body h1 { margin: 0 0 10px; font-size: clamp(1.8rem, 3vw, 2.55rem); line-height: 1.2; letter-spacing: -0.03em; color: var(--blue-deep); }
.feature-body p { margin: 0 0 14px; color: var(--muted); }
.meta-row, .pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.pill, .date-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 5px 10px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 0.8rem;
  font-weight: 700;
}
.pill.amber { background: var(--amber-soft); color: var(--amber); }
.pill.mint { background: var(--mint); color: var(--mint-ink); }
.headline-rail { padding: 18px; box-shadow: var(--shadow-soft); }
.headline-rail h2 { font-size: 1.15rem; margin: 4px 8px 12px; }
.headline-rail a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  padding: 12px;
  border-radius: 16px;
  transition: background .2s, transform .2s;
}
.headline-rail a:hover { background: var(--blue-soft); }
.headline-rail a strong { display: block; line-height: 1.4; }
.headline-rail a span { color: var(--muted); font-size: 0.82rem; font-weight: 700; }
.stream-list { display: flex; flex-direction: column; gap: 14px; }
.stream-item {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 0;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform .2s, box-shadow .2s;
}
.stream-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stream-item img { width: 100%; height: 100%; min-height: 150px; object-fit: cover; }
.stream-body { padding: 18px 20px; }
.stream-body h3 { margin: 6px 0; font-size: 1.18rem; letter-spacing: -0.02em; }
.stream-body p { margin: 0; color: var(--muted); }
.split-grid, .device-grid, .digest-grid, .safety-grid { display: grid; gap: 24px; align-items: center; }
.split-grid { grid-template-columns: .92fr 1.08fr; }
.device-grid { grid-template-columns: .9fr 1.1fr; }
.digest-grid { grid-template-columns: 1.05fr .95fr; align-items: stretch; }
.photo-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: #fff; min-height: 100%; }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.story-copy, .device-copy { padding: 28px; box-shadow: var(--shadow-soft); }
.story-copy p, .device-copy p { color: var(--muted); margin: 0 0 12px; }
.point-list { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.point-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: start;
  background: var(--bg);
  border-radius: 14px;
  padding: 12px;
}
.point-list i { color: var(--blue); margin-top: 3px; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 18px; }
.metric { padding: 16px 18px; box-shadow: var(--shadow-soft); }
.metric b { display: block; font-size: 1.45rem; color: var(--blue-deep); letter-spacing: -0.03em; line-height: 1.1; }
.metric span { color: var(--muted); font-size: 0.9rem; }
.safety-band { background: var(--blue-deep); color: #fff; padding: var(--space) 0; }
.safety-band .section-lead { color: rgba(255,255,255,.78); }
.safety-grid { grid-template-columns: 1fr 1fr; }
.notice { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); color: #fff; padding: 22px; box-shadow: none; }
.notice i {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(255,255,255,.12); margin-bottom: 12px; font-size: 1.1rem;
}
.notice h3 { margin: 0 0 8px; font-size: 1.2rem; }
.notice p { margin: 0; color: rgba(255,255,255,.8); }
.release-list { display: flex; flex-direction: column; gap: 12px; }
.release-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  box-shadow: var(--shadow-soft);
}
.release-row strong { color: var(--blue-deep); }
.release-row p { margin: 4px 0 0; color: var(--muted); }
.ver {
  display: inline-grid;
  place-items: center;
  min-width: 84px;
  padding: 8px 10px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-weight: 800;
}
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 860px; }
.faq-item { box-shadow: var(--shadow-soft); overflow: hidden; }
.faq-q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--ink);
  font-weight: 750;
  font-weight: 700;
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.faq-q i { color: var(--blue); transition: transform .2s; }
.faq-item.open .faq-q { color: var(--blue-deep); }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 20px 18px; color: var(--muted); }
.faq-item.open .faq-a { display: block; }
.form-card { padding: 26px; }
.form-card h2 { margin: 0 0 6px; font-size: 1.7rem; letter-spacing: -0.03em; }
.form-card p { margin: 0 0 16px; color: var(--muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field span { font-weight: 700; font-size: 0.92rem; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 12px 13px;
  color: var(--ink);
  font-weight: 500;
  transition: border-color .2s, box-shadow .2s;
}
textarea { min-height: 96px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: #b7cbe4; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31,95,191,.12); outline: none; }
.check { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 0.92rem; margin: 4px 0 14px; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--blue); }
.form-wide { width: 100%; }
.form-note { min-height: 1.4em; margin: 10px 0 0; font-size: 0.92rem; color: var(--danger); }
.form-note.ok { color: var(--mint-ink); }
.site-footer { background: var(--blue-deep); color: #fff; padding: 48px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; padding-bottom: 28px; }
.footer-brand { font-weight: 800; font-size: 1.15rem; color: #fff; display: inline-block; margin-bottom: 8px; }
.site-footer p, .foot-links span { color: rgba(255,255,255,.76); margin: 0; }
.foot-links { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.foot-links a { color: #e7f0fb; font-weight: 600; }
.foot-links a:hover { color: #fff; text-decoration: underline; }
.site-footer strong { display: block; margin-bottom: 2px; }
.legal { border-top: 1px solid rgba(255,255,255,.14); padding: 16px 0 20px; color: rgba(255,255,255,.7); font-size: 0.92rem; }
@media (max-width: 1120px) {
  .nav-toggle { display: grid; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    padding: 12px 16px 16px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    z-index: 50;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 14px; border-radius: 12px; font-size: 1rem; }
  .logo span { max-width: 180px; }
}
@media (max-width: 1024px) {
  .mast-grid, .split-grid, .device-grid, .digest-grid, .safety-grid, .metric-row { grid-template-columns: 1fr 1fr; }
  .mast-grid, .digest-grid { grid-template-columns: 1fr; }
  .release-row { grid-template-columns: 90px 1fr; }
  .release-row .pill { display: none; }
}
@media (max-width: 768px) {
  :root { --space: 56px; }
  .split-grid, .device-grid, .safety-grid, .metric-row, .footer-grid, .stream-item, .form-row { grid-template-columns: 1fr; }
  .feature-card img, .photo-frame img { min-height: 220px; height: 220px; }
  .stream-item img { height: 190px; }
  .release-row { grid-template-columns: 1fr; gap: 8px; }
  .release-row .pill { display: inline-flex; }
  .feature-body, .story-copy, .device-copy, .form-card { padding: 20px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .nav-cta { display: none; }
  .logo span { max-width: 126px; font-size: 0.78rem; }
  .lang { padding: 6px 8px; }
  .metric-row { grid-template-columns: 1fr; }
  .hero-actions, .feature-body .btn { width: 100%; }
  h1 { font-size: 1.7rem; }
}

/* roulang page: category7 */
:root {
  --blue: #1f5fbf;
  --blue-deep: #14386f;
  --blue-soft: #e7f0fb;
  --ink: #17324d;
  --muted: #5c6d82;
  --line: #d7e2ee;
  --bg: #f4f7fb;
  --card: #ffffff;
  --mint: #e7f6f1;
  --mint-ink: #0f6b56;
  --amber: #b86a12;
  --amber-soft: #fff4e6;
  --danger: #9b3b3b;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 18px 46px rgba(20, 56, 111, 0.1);
  --shadow-soft: 0 8px 24px rgba(20, 56, 111, 0.06);
  --space: 88px;
  --container: 1140px;
  --header: 78px;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
button { cursor: pointer; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(215,226,238,.9);
  box-shadow: 0 8px 24px rgba(20,56,111,.04);
}
.nav-bar {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 18px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--blue-deep);
  min-width: max-content;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(160deg, #2d74d8, #14386f);
  box-shadow: var(--shadow-soft);
  font-size: 0.95rem;
  flex: 0 0 auto;
}
.logo span { font-size: 0.98rem; line-height: 1.2; max-width: 180px; }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.main-nav a {
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.92rem;
  transition: background .2s, color .2s;
}
.main-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.main-nav a.active, .main-nav a:active { background: var(--blue-deep); color: #fff; }
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--blue-deep);
}
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  flex: 0 0 auto;
}
.lang {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  border-radius: 999px;
  padding: 6px 10px;
  line-height: 1;
}
.lang.active, .lang[aria-pressed="true"] { background: var(--blue-soft); color: var(--blue-deep); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 18px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(31,95,191,.25); }
.btn-primary:hover { background: var(--blue-deep); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: #fff; color: var(--blue-deep); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 9px 14px; font-size: 0.92rem; }
.btn:focus-visible, .lang:focus-visible, .nav-toggle:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .faq-q:focus-visible {
  outline: 3px solid rgba(31,95,191,.35);
  outline-offset: 2px;
}
.section { padding: var(--space) 0; }
.section-alt { background: #fff; }
.section-soft { background: linear-gradient(180deg, #f8fbfe, #eef4fb); }
.section h2 { margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -0.03em; line-height: 1.25; }
.section-lead { margin: 0; color: var(--muted); max-width: 760px; }
.section-head { margin-bottom: 28px; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--mint);
  color: var(--mint-ink);
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 700;
  font-size: 0.86rem;
  margin-bottom: 14px;
}
.release-hero {
  position: relative;
  background:
    linear-gradient(105deg, rgba(244,247,251,.95) 0%, rgba(244,247,251,.9) 46%, rgba(20,56,111,.32) 100%),
    url("/assets/images/cc0bcfd4893ff2fd.webp") center/cover no-repeat;
  padding: 48px 0 68px;
}
.release-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 28px; align-items: stretch; }
.release-copy, .release-panel, .form-card, .spec-card, .log-item, .note-row, .faq-item, .stat {
  background: rgba(255,255,255,.96);
  border: 1px solid rgba(255,255,255,.85);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.release-copy { padding: 36px; }
.release-copy h1 { margin: 0 0 12px; font-size: clamp(2rem, 4vw, 3.15rem); line-height: 1.12; letter-spacing: -0.04em; color: var(--blue-deep); }
.release-copy .lead { margin: 0 0 18px; color: var(--muted); font-size: 1.05rem; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  border-radius: 999px;
  padding: 6px 11px;
  font-weight: 700;
  font-size: 0.84rem;
}
.chip.amber { background: var(--amber-soft); color: var(--amber); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.release-panel { padding: 22px; display: grid; grid-template-columns: 190px 1fr; gap: 16px; align-items: center; }
.ring { position: relative; width: 180px; height: 180px; margin: 0 auto; }
.ring svg { width: 180px; height: 180px; transform: rotate(-90deg); }
.ring .track, .ring .value { fill: none; stroke-width: 12; }
.ring .track { stroke: #e7f0fb; }
.ring .value { stroke: #1f5fbf; stroke-linecap: round; stroke-dasharray: 326.7; stroke-dashoffset: 45.7; }
.ring-label { position: absolute; inset: 0; display: grid; place-items: center; align-content: center; text-align: center; }
.ring-label strong { font-size: 2rem; letter-spacing: -0.04em; color: var(--blue-deep); line-height: 1; }
.ring-label span { color: var(--muted); font-size: 0.82rem; font-weight: 600; }
.tier-list { display: flex; flex-direction: column; gap: 10px; }
.tier {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform .2s, border-color .2s;
}
.tier:hover { transform: translateY(-2px); border-color: #b7cbe4; }
.tier b { display: block; line-height: 1.3; }
.tier p { margin: 2px 0 0; color: var(--muted); font-size: 0.86rem; }
.tier .mini { grid-column: 2; grid-row: 1 / span 2; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: center; }
.photo-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid #fff; min-height: 320px; background: #d7e2ee; }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.photo-caption { margin: 10px 2px 0; color: var(--muted); font-size: 0.9rem; }
.log-list, .note-list, .faq-list { display: flex; flex-direction: column; gap: 12px; }
.log-item, .note-row, .faq-item { box-shadow: var(--shadow-soft); border: 1px solid var(--line); }
.log-item { display: grid; grid-template-columns: auto 1fr; gap: 14px; padding: 16px 18px; }
.log-ico {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue-deep);
}
.log-item h3, .note-row h3, .spec-card h3 { margin: 0 0 4px; font-size: 1.05rem; letter-spacing: -0.02em; }
.log-item p, .note-row p, .spec-card p { margin: 0; color: var(--muted); }
.timeline { margin: 8px 0 0 8px; border-left: 3px solid #d5e4f7; display: flex; flex-direction: column; gap: 0; }
.time-item { position: relative; padding: 0 0 26px 28px; }
.time-item::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--blue);
  box-shadow: 0 0 0 4px #e7f0fb;
}
.time-item strong { display: block; color: var(--blue-deep); }
.time-item span { color: var(--amber); font-weight: 700; font-size: 0.86rem; }
.time-item p { margin: 4px 0 0; color: var(--muted); }
.version-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 34px; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.spec-card { padding: 18px; box-shadow: var(--shadow-soft); border: 1px solid var(--line); }
.spec-card ul { margin: 10px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.spec-card li { display: flex; gap: 8px; align-items: flex-start; color: var(--ink); }
.spec-card li i { color: var(--mint-ink); margin-top: 4px; }
.proof { display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; align-items: center; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stat { padding: 18px 18px 16px; border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
.stat b { display: block; font-size: 1.8rem; letter-spacing: -0.04em; color: var(--blue-deep); line-height: 1.1; }
.stat span { color: var(--muted); font-size: 0.92rem; }
.note-row { display: grid; grid-template-columns: 168px 1fr; gap: 16px; padding: 12px; align-items: center; }
.note-row img { width: 168px; height: 112px; object-fit: cover; border-radius: 16px; }
.callout {
  margin-top: 16px;
  background: var(--amber-soft);
  border: 1px solid #f3ddc2;
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  color: #6d4510;
}
.callout strong { color: #8a4e08; }
.faq-q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--ink);
  font-weight: 750;
  font-weight: 700;
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.faq-q i { color: var(--blue); transition: transform .2s; }
.faq-item.is-open .faq-q i { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 18px 16px; color: var(--muted); }
.faq-item.is-open .faq-a { display: block; }
.cta-band {
  background:
    linear-gradient(100deg, rgba(255,255,255,.94), rgba(244,247,251,.92)),
    url("/assets/images/487cdce2272a33d7.webp") center/cover no-repeat;
}
.cta-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.form-card { padding: 26px; border: 1px solid var(--line); }
.form-card h2 { margin: 0 0 6px; font-size: 1.45rem; letter-spacing: -0.02em; }
.form-card p { margin: 0 0 16px; color: var(--muted); }
.fields { display: grid; gap: 12px; }
.fields-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
label { display: block; font-weight: 700; font-size: 0.9rem; margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 12px 13px;
  color: var(--ink);
  font-weight: 500;
  transition: border-color .2s, box-shadow .2s;
}
textarea { min-height: 96px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: #b7cbe4; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31,95,191,.12); outline: none; }
.check { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 0.92rem; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--blue); }
.form-wide { width: 100%; }
.form-note { min-height: 1.4em; margin: 10px 0 0; font-size: 0.92rem; color: var(--danger); }
.form-note.ok { color: var(--mint-ink); }
.site-footer { background: var(--blue-deep); color: #e7eef8; padding: 48px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.footer-brand { font-weight: 800; font-size: 1.15rem; color: #fff; }
.site-footer p, .site-footer span { color: rgba(231,238,248,.78); }
.foot-links { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.foot-links a { color: #fff; font-weight: 600; }
.foot-links a:hover { color: #d6e6ff; }
.legal { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(231,238,248,.72); font-size: 0.92rem; }
@media (max-width: 1024px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 16px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    margin-left: 0;
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px 14px; }
  .release-grid, .split, .version-layout, .proof, .cta-grid, .release-panel { grid-template-columns: 1fr; }
  .release-panel { justify-items: center; }
  .tier { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --space: 64px; }
  .release-copy, .form-card { padding: 22px; }
  .spec-grid, .stat-grid, .fields-2, .footer-grid { grid-template-columns: 1fr; }
  .note-row { grid-template-columns: 1fr; }
  .note-row img { width: 100%; height: 180px; }
  .logo span { max-width: 140px; font-size: 0.86rem; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 24px)); }
  .nav-bar { gap: 8px; }
  .logo span { max-width: 96px; font-size: 0.75rem; }
  .lang { padding: 6px 8px; }
  .nav-cta { display: none; }
  .release-hero { padding: 28px 0 40px; }
  .hero-actions .btn, .form-wide { width: 100%; }
  .ring { width: 150px; height: 150px; }
  .ring svg { width: 150px; height: 150px; }
}