/* roulang page: index */
:root {
  --blue: #1b4f9c;
  --blue-deep: #12386f;
  --blue-soft: #e8f1fb;
  --ink: #17283d;
  --muted: #5c6d82;
  --line: #e2ebf5;
  --paper: #f4f8fc;
  --white: #ffffff;
  --gold: #b8883d;
  --shadow: 0 16px 40px rgba(22, 54, 102, 0.08);
  --radius: 22px;
  --container: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  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; }
button { cursor: pointer; }
h1, h2, h3, h4, p { overflow-wrap: break-word; }
h1, h2, h3, h4 { line-height: 1.25; letter-spacing: -0.03em; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.skip {
  position: absolute; left: 12px; top: -40px; background: var(--blue); color: #fff;
  padding: 8px 12px; border-radius: 8px; z-index: 80;
}
.skip:focus { top: 12px; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(18, 47, 92, .05);
}
.header-bar { display: flex; align-items: center; gap: 18px; min-height: 82px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d6ed6, #12386f);
  color: #fff; font-weight: 800; letter-spacing: -0.04em;
  box-shadow: 0 8px 16px rgba(27,79,156,.28);
}
.brand-text { font-weight: 800; font-size: 16px; color: var(--blue-deep); }
.nav-search { flex: 1; display: flex; max-width: 640px; margin: 0 auto; }
.nav-search input {
  flex: 1; height: 52px; margin: 0; border: 1px solid #d5e2f2; border-right: 0;
  border-radius: 999px 0 0 999px; background: #f7fbff; padding: 0 18px;
  color: var(--ink); box-shadow: none;
}
.nav-search input::placeholder { color: #8aa0b8; }
.nav-search button {
  width: 56px; border: 0; border-radius: 0 999px 999px 0;
  background: var(--blue); color: #fff; font-size: 16px;
}
.nav-search button:hover { background: var(--blue-deep); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; height: 44px; padding: 0 14px; gap: 8px; align-items: center; font-weight: 700;
}
.nav-wrap { padding-bottom: 12px; }
.site-nav { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px;
  border-radius: 999px; color: #31475f; font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
  background: var(--blue); color: #fff; box-shadow: 0 8px 16px rgba(27,79,156,.22);
}

.block { padding: 78px 0; }
.block-alt { background: var(--paper); }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--blue); font-weight: 700; font-size: 13px; letter-spacing: .04em;
  text-transform: uppercase; margin-bottom: 10px;
}
.lead { color: var(--muted); font-size: 17px; margin: 0 0 26px; }
.lead.narrow { max-width: 740px; }
h2 { font-size: 34px; margin: 0 0 12px; color: #12243a; }
h3 { margin: 0 0 8px; font-size: 20px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; transition: .2s ease; text-align: center;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(27,79,156,.25); }
.btn-primary:hover { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c9d9ee; }
.btn-line:hover { border-color: var(--blue); color: var(--blue); }
.btn-gold { background: #f4e7cf; color: #7a5a1e; }
.btn-gold:hover { background: #edd9b4; color: #5e4312; }

.hero {
  position: relative; color: #fff;
  background:
    linear-gradient(105deg, rgba(8,22,44,.94) 0%, rgba(12,40,82,.82) 52%, rgba(9,28,58,.72) 100%),
    url("/assets/images/277aec7a4e3dc351.jpg") center/cover no-repeat;
  padding: 58px 0 64px;
}
.hero h1 { font-size: 58px; margin: 0 0 16px; color: #fff; max-width: 640px; }
.hero .lead { color: rgba(255,255,255,.86); font-size: 16.5px; max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0 20px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.hero-chips li {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 600;
}
.rank-board {
  background: rgba(7,18,36,.55); border: 1px solid rgba(255,255,255,.14);
  border-radius: 24px; padding: 18px; box-shadow: 0 20px 50px rgba(0,0,0,.22);
  backdrop-filter: blur(8px);
}
.rank-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; font-weight: 700; }
.rank-head span { color: #9fd0ff; font-size: 13px; font-weight: 600; }
.rank-list { list-style: none; margin: 0; padding: 0; }
.rank-list li {
  display: grid; grid-template-columns: 42px 1fr auto; gap: 10px; align-items: center;
  padding: 10px 8px; border-top: 1px solid rgba(255,255,255,.1);
}
.rank-list strong { display: block; font-size: 15px; }
.rank-list small { color: rgba(255,255,255,.68); }
.rank-no {
  width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(255,255,255,.1); font-weight: 800;
}
.rank-list em { font-style: normal; font-weight: 800; color: #ffd78a; }

.search-panel, .panel, .card, .tier, .doc, .qa, .mile, .guarantee, .resource-side, .news-card, .compare, .preview, .form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.search-panel { padding: 22px; }
.search-panel label { font-weight: 700; display: block; margin-bottom: 8px; }
.big-search { display: flex; gap: 8px; }
.big-search input, .form-card input, .form-card select, .form-card textarea {
  width: 100%; border: 1px solid #d5e2f2; border-radius: 14px; min-height: 48px;
  padding: 10px 14px; margin: 0; background: #fff; box-shadow: none; color: var(--ink);
}
.big-search input:focus, .form-card input:focus, .form-card select:focus, .form-card textarea:focus, .nav-search input:focus {
  border-color: #8eb6f5; outline: 3px solid rgba(27,79,156,.15);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  border-radius: 999px; background: var(--blue-soft); color: var(--blue-deep);
  padding: 7px 12px; font-weight: 700; font-size: 13px;
}
.chip:hover { background: #d7e7fa; }
.stat-row { margin-top: 8px; }
.stat {
  background: #fff; border-radius: 20px; padding: 18px 18px 14px;
  border: 1px solid var(--line); box-shadow: var(--shadow); height: 100%;
}
.stat b { display: block; font-size: 34px; color: var(--blue-deep); letter-spacing: -0.04em; }
.stat span { color: var(--muted); font-size: 14px; }

.bento { overflow: hidden; position: relative; min-height: 180px; color: #fff; display: flex; }
.bento img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bento .shade {
  position: relative; z-index: 1; margin-top: auto; width: 100%;
  padding: 18px; background: linear-gradient(180deg, rgba(8,20,40,0) 0%, rgba(8,20,40,.88) 70%);
}
.bento h3, .bento p { color: #fff; }
.bento p { margin: 0; color: rgba(255,255,255,.86); }
.bento.plain { background: #fff; color: var(--ink); min-height: 168px; padding: 18px; display: block; }
.bento.plain h3, .bento.plain p { color: inherit; }
.bento.plain p { color: var(--muted); }
.bento.plain:hover { transform: translateY(-3px); transition: .2s ease; }
.icon-pill {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; font-size: 18px;
}

.service-copy { padding-right: 12px; }
.service-photo { border-radius: 24px; min-height: 280px; object-fit: cover; width: 100%; height: 100%; }
.stack-card { padding: 18px 18px 8px; margin-bottom: 14px; }
.stack-card p, .media-copy p, .doc p, .news-card p, .tier p, .preview p, .compare li, .guarantee p { color: var(--muted); }
.list-clean { margin: 0; padding: 0; list-style: none; }
.list-clean li { padding: 8px 0 8px 22px; position: relative; }
.list-clean li::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  position: absolute; left: 0; top: 16px;
}

.media-row {
  display: grid; grid-template-columns: 220px 1fr; gap: 18px; align-items: center;
  padding: 14px; margin-bottom: 14px;
}
.media-row img { width: 100%; height: 140px; object-fit: cover; border-radius: 16px; }
.badge {
  display: inline-flex; align-items: center; min-height: 26px; padding: 0 10px;
  border-radius: 999px; background: var(--blue-soft); color: var(--blue-deep);
  font-size: 12px; font-weight: 800; margin-bottom: 6px;
}
.badge.gold { background: #f8efdc; color: #8a6118; }
.meta { color: #7d8da1; font-size: 13px; font-weight: 600; }

.rank-table { display: flex; flex-direction: column; gap: 10px; }
.rank-line {
  display: grid; grid-template-columns: 64px 1.4fr .8fr .6fr; gap: 8px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px;
  box-shadow: var(--shadow);
}
.rank-line b { font-size: 22px; color: var(--blue); }
.bar { height: 8px; background: #e7eef7; border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, #1b4f9c, #49a2ff); border-radius: 99px; }

.compare { padding: 22px; height: 100%; }
.compare.strong { background: #12386f; color: #fff; border-color: #12386f; }
.compare.strong li, .compare.strong p { color: rgba(255,255,255,.84); }
.compare h3 { color: inherit; }
.compare ul { margin: 0; padding-left: 18px; }

.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.mile { padding: 16px; min-height: 180px; }
.mile .step { font-weight: 800; color: var(--blue); font-size: 13px; }

.resource-hero {
  border-radius: 24px; overflow: hidden; position: relative; min-height: 100%; color: #fff;
}
.resource-hero img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.resource-hero div {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 20px;
  background: linear-gradient(180deg, transparent, rgba(7,20,40,.9));
}
.doc { padding: 16px 16px 12px; margin-bottom: 12px; }
.doc:hover { border-color: #b9d0ea; }

.news-card { padding: 16px; margin-bottom: 12px; display: block; }
.news-card:hover { transform: translateY(-2px); transition: .2s ease; }
.side-card { padding: 16px; }
.empty-note {
  background: #fff; border: 1px dashed #b7cbe4; border-radius: 16px; padding: 18px; color: var(--muted);
}

.collect {
  border-radius: 28px; overflow: hidden; color: #fff; position: relative;
  background:
    linear-gradient(100deg, rgba(10,24,48,.9), rgba(18,58,112,.72)),
    url("/assets/images/ed7dcc7d4e617efb.jpg") center/cover no-repeat;
  padding: 28px;
}
.collect h2, .collect p { color: #fff; }
.pin { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); border-radius: 16px; padding: 14px; height: 100%; }
.pin strong { display: block; margin-bottom: 4px; }

.tier { padding: 18px; height: 100%; position: relative; }
.tier.featured { outline: 2px solid #1b4f9c; }
.tier .price { font-size: 28px; font-weight: 800; color: var(--blue-deep); margin: 8px 0; }
.preview { padding: 18px; background: #102848; color: #fff; border: 0; height: 100%; }
.preview p { color: rgba(255,255,255,.8); }
.preview img { border-radius: 16px; height: 160px; width: 100%; object-fit: cover; margin-bottom: 12px; }

.guarantee { padding: 18px; height: 100%; }
.guarantee i { color: var(--blue); font-size: 22px; }

.qa { padding: 0 18px; margin-bottom: 12px; }
.qa summary { cursor: pointer; font-weight: 800; padding: 16px 0; list-style: none; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.qa summary::after { content: "+"; color: var(--blue); font-size: 22px; font-weight: 500; }
.qa[open] summary::after { content: "–"; }
.qa p { margin-top: 0; }

.form-band { background: linear-gradient(180deg, #eef5fc 0%, #fff 100%); }
.form-card { padding: 22px; }
.form-card textarea { min-height: 120px; resize: vertical; }
.form-note { color: var(--muted); font-size: 14px; margin-top: 8px; }
.field { margin-bottom: 12px; }
.field span { display: block; font-weight: 700; margin-bottom: 6px; }

.site-footer { background: #0e2138; color: rgba(255,255,255,.82); padding: 42px 0 22px; }
.site-footer h2 { display: none; }
.foot-brand { color: #fff; font-size: 22px; font-weight: 800; margin: 0 0 8px; }
.site-footer a { color: #d5e6f8; font-weight: 600; }
.site-footer a:hover { color: #fff; }
.foot-links { display: flex; flex-wrap: wrap; gap: 14px; margin: 14px 0; }
.legal { border-top: 1px solid rgba(255,255,255,.12); margin-top: 18px; padding-top: 14px; font-size: 13px; color: rgba(255,255,255,.62); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
:focus-visible { outline: 3px solid #8eb6f5; outline-offset: 2px; }

@media (max-width: 1024px) {
  .hero h1 { font-size: 46px; }
  h2 { font-size: 30px; }
  .timeline { grid-template-columns: repeat(3, 1fr); }
  .media-row { grid-template-columns: 180px 1fr; }
  .rank-line { grid-template-columns: 48px 1fr; }
  .rank-line .bar, .rank-line .heat { display: none; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .header-bar { flex-wrap: wrap; padding: 12px 0; min-height: 0; }
  .nav-search { order: 3; flex: 1 1 100%; max-width: none; }
  .brand { min-width: 0; flex: 1; }
  .nav-wrap { display: none; }
  .nav-wrap.is-open { display: block; }
  .site-nav { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; padding-bottom: 12px; }
  .hero { padding: 36px 0 40px; }
  .hero h1 { font-size: 36px; }
  .block { padding: 52px 0; }
  .timeline, .media-row { grid-template-columns: 1fr; }
  .media-row img { height: 190px; }
  .big-search { flex-direction: column; }
  .collect { padding: 20px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 20px)); }
  .hero h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  .brand-text { font-size: 14px; }
  .hero-actions .btn, .form-card .btn { width: 100%; }
  .rank-list li { grid-template-columns: 36px 1fr; }
  .rank-list em { display: none; }
  .stat b { font-size: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: article */
:root {
  --blue: #1b4f9c;
  --blue-deep: #12386f;
  --blue-soft: #e8f1fb;
  --ink: #17283d;
  --muted: #5c6d82;
  --line: #e2ebf5;
  --paper: #f4f8fc;
  --white: #ffffff;
  --gold: #b8883d;
  --shadow: 0 16px 40px rgba(22, 54, 102, 0.08);
  --radius: 22px;
  --container: 1160px;
}
/* roulang page: article */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  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; }
button { cursor: pointer; }
h1, h2, h3, h4 { font-family: inherit; line-height: 1.25; color: var(--blue-deep); margin: 0 0 12px; }
p { margin: 0 0 12px; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(18, 47, 92, .05);
}
.header-bar { display: flex; align-items: center; gap: 18px; min-height: 82px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d6ed6, #12386f);
  color: #fff; font-weight: 800; letter-spacing: -0.04em;
  box-shadow: 0 8px 16px rgba(27,79,156,.28);
}
.brand-text { font-weight: 800; font-size: 16px; color: var(--blue-deep); white-space: nowrap; }
.nav-search { flex: 1; display: flex; max-width: 640px; margin: 0 auto; }
.nav-search input {
  flex: 1; height: 52px; margin: 0; border: 1px solid #d5e2f2; border-right: 0;
  border-radius: 999px 0 0 999px; background: #f7fbff; padding: 0 18px;
  color: var(--ink); box-shadow: none; font-size: 15px;
}
.nav-search input::placeholder { color: #8aa0b8; }
.nav-search button {
  width: 56px; border: 0; border-radius: 0 999px 999px 0;
  background: var(--blue); color: #fff; font-size: 16px; margin: 0;
}
.nav-search button:hover { background: var(--blue-deep); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; height: 44px; padding: 0 14px; align-items: center; font-weight: 700;
}
.nav-wrap { padding-bottom: 12px; }
.site-nav { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px;
  border-radius: 999px; color: #31475f; font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
  background: var(--blue); color: #fff; box-shadow: 0 8px 16px rgba(27,79,156,.22);
}
.lead { color: var(--muted); font-size: 17px; margin: 0 0 26px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; transition: .2s ease; text-align: center; margin: 0;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(27,79,156,.25); }
.btn-primary:hover { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c9d9ee; }
.btn-line:hover { border-color: var(--blue); color: var(--blue); }
.btn-gold { background: #f4e7cf; color: #7a5a1e; }
.btn-gold:hover { background: #edd9b4; color: #5e4312; }
.panel, .card, .tier, .doc, .qa, .mile, .guarantee, .news-card, .compare, .form-card, .empty-state, .poster-card, .side-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.icon-pill {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; font-size: 18px;
}
.list-clean { margin: 0; padding: 0; list-style: none; }
.list-clean li { padding: 8px 0 8px 22px; position: relative; color: var(--muted); }
.list-clean li::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  position: absolute; left: 0; top: 16px;
}
.badge, .chip {
  display: inline-flex; align-items: center; border-radius: 999px;
  background: var(--blue-soft); color: var(--blue-deep);
  padding: 7px 12px; font-weight: 700; font-size: 13px;
}
.eyebrow { color: var(--gold); font-weight: 800; letter-spacing: .04em; text-transform: uppercase; font-size: 13px; margin: 0 0 8px; }
.poster {
  position: relative;
  background:
    linear-gradient(180deg, rgba(244,248,252,.2), rgba(244,248,252,1) 78%),
    url("/assets/images/951043bcc3000aaa.jpg") center/cover no-repeat;
  padding: 28px 0 10px;
}
.poster-photo {
  border-radius: 28px; overflow: hidden; min-height: 360px; position: relative;
  box-shadow: 0 24px 50px rgba(18, 47, 92, .18);
}
.poster-photo img { width: 100%; height: 460px; object-fit: cover; }
.poster-photo figcaption {
  position: absolute; left: 18px; bottom: 18px;
  background: rgba(10, 28, 58, .72); color: #fff;
  border-radius: 999px; padding: 8px 14px; font-size: 13px; font-weight: 700;
}
.poster-card { margin-top: -78px; position: relative; padding: 28px 32px 26px; }
.poster-card h1 { font-size: clamp(32px, 4vw, 52px); max-width: 860px; }
.summary { color: #31475f; font-size: 17px; max-width: 860px; }
.meta-row, .hero-actions, .crumb { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.meta-row { margin: 8px 0 18px; color: var(--muted); font-size: 14px; font-weight: 600; }
.hero-actions { margin-top: 8px; }
.crumb { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.crumb a { color: var(--blue); font-weight: 700; }
.crumb span[aria-hidden="true"] { color: #9aafc6; }
.band { padding: 72px 0; }
.band-paper { background: var(--paper); }
.section-head { max-width: 720px; margin-bottom: 26px; }
.section-head h2 { font-size: 34px; }
.section-head p, .muted { color: var(--muted); }
.read-grid, .split, .two-col, .stat-grid, .tier-grid, .faq-list, .rail {
  display: grid; gap: 22px;
}
.read-grid { grid-template-columns: minmax(0, 1.7fr) minmax(260px, .8fr); align-items: start; }
.article-sheet, .side-card { padding: 26px; }
.side-card { position: sticky; top: 118px; }
.prose { color: #24384e; font-size: 17px; }
.prose h2, .prose h3, .prose h4 { margin-top: 1.3em; }
.prose p, .prose li { color: #31475f; }
.prose img { border-radius: 16px; margin: 14px 0; }
.prose a { color: var(--blue); font-weight: 700; }
.prose ul, .prose ol { padding-left: 20px; }
.prose table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 10px; }
.empty-state { padding: 36px 28px; text-align: left; }
.empty-state h2 { font-size: 28px; }
.stat-grid { grid-template-columns: repeat(4, 1fr); }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: 20px; box-shadow: var(--shadow);
}
.stat strong { display: block; font-size: 28px; color: var(--blue-deep); letter-spacing: -0.04em; }
.stat span { color: var(--muted); font-size: 14px; }
.split { grid-template-columns: 1.05fr .95fr; align-items: center; }
.photo-frame { border-radius: 28px; overflow: hidden; min-height: 320px; box-shadow: var(--shadow); }
.photo-frame img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; }
.two-col { grid-template-columns: 1fr 1fr; }
.compare, .tier, .mile, .qa, .guarantee { padding: 22px; }
.compare h3, .tier h3, .mile h3 { font-size: 22px; }
.tier-grid { grid-template-columns: 1.2fr .8fr .8fr; }
.mile-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.mile { min-height: 180px; }
.mile em { font-style: normal; color: var(--blue); font-weight: 800; font-size: 13px; }
.dark-band {
  background: var(--blue-deep) url("/assets/images/ed7dcc7d4e617efb.jpg") center/cover no-repeat;
  position: relative; color: #fff;
}
.dark-band::before {
  content: ""; position: absolute; inset: 0; background: rgba(10, 28, 58, .88);
}
.dark-band .container { position: relative; }
.dark-band h2, .dark-band h3 { color: #fff; }
.dark-band p, .dark-band li { color: rgba(255,255,255,.82); }
.guarantee { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); box-shadow: none; }
.guarantee .icon-pill { background: rgba(255,255,255,.12); color: #fff; }
.rail { grid-template-columns: repeat(4, 1fr); }
.news-card { overflow: hidden; display: flex; flex-direction: column; min-height: 100%; transition: .2s ease; }
.news-card:hover { transform: translateY(-3px); box-shadow: 0 18px 36px rgba(22, 54, 102, .12); }
.news-card img { height: 150px; width: 100%; object-fit: cover; }
.news-card div { padding: 16px 16px 18px; }
.news-card h3 { font-size: 18px; }
.news-card p { color: var(--muted); font-size: 14px; }
.faq-list { gap: 12px; }
.qa summary { cursor: pointer; font-weight: 800; color: var(--blue-deep); list-style: none; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; float: right; color: var(--blue); }
.qa[open] summary::after { content: "–"; }
.qa p { margin: 10px 0 0; }
.signup-wrap {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start;
}
.form-card { padding: 22px; }
.form-card label { display: block; font-weight: 700; margin: 12px 0 6px; }
.form-card input, .form-card select, .form-card textarea {
  width: 100%; border: 1px solid #d5e2f2; border-radius: 14px; min-height: 48px;
  padding: 10px 14px; margin: 0; background: #fff; box-shadow: none; color: var(--ink);
}
.form-card textarea { min-height: 110px; resize: vertical; }
.nav-search input:focus, .form-card input:focus, .form-card select:focus, .form-card textarea:focus {
  border-color: #8eb6f5; outline: 3px solid rgba(27,79,156,.15);
}
a:focus-visible, button:focus-visible { outline: 3px solid rgba(27,79,156,.28); outline-offset: 2px; }
.site-footer { background: #0e2344; color: rgba(255,255,255,.86); padding: 48px 0 28px; }
.site-footer h2 { color: #fff; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.foot-brand { font-size: 28px; font-weight: 800; color: #fff; margin: 0 0 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 18px 0; }
.foot-links a { color: #d5e4f8; font-weight: 600; }
.foot-links a:hover { color: #fff; }
.legal { color: rgba(255,255,255,.62); font-size: 13px; margin: 0; }
@media (max-width: 1024px) {
  .stat-grid, .mile-row, .rail { grid-template-columns: repeat(2, 1fr); }
  .tier-grid, .read-grid, .split, .signup-wrap { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .poster-photo img { height: 340px; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .header-bar { flex-wrap: wrap; min-height: 72px; padding: 12px 0; }
  .nav-search { order: 3; flex: 1 1 100%; max-width: none; }
  .brand { min-width: 0; }
  .nav-wrap { display: none; padding-bottom: 14px; }
  .nav-wrap.is-open { display: block; }
  .site-nav { justify-content: flex-start; }
  .poster-card { margin-top: -36px; padding: 22px 18px; }
  .band { padding: 52px 0; }
  .section-head h2 { font-size: 28px; }
}
@media (max-width: 520px) {
  .stat-grid, .mile-row, .rail, .two-col { grid-template-columns: 1fr; }
  .brand-text { font-size: 14px; }
  .poster-photo, .poster-photo img { min-height: 220px; height: 220px; }
  .hero-actions .btn, .signup-wrap .btn { width: 100%; }
  .container { width: min(var(--container), calc(100% - 20px)); }
}

/* roulang page: category1 */
:root {
  --blue: #1b4f9c;
  --blue-deep: #12386f;
  --blue-soft: #e8f1fb;
  --ink: #17283d;
  --muted: #5c6d82;
  --line: #e2ebf5;
  --paper: #f4f8fc;
  --white: #ffffff;
  --gold: #b8883d;
  --shadow: 0 16px 40px rgba(22, 54, 102, 0.08);
  --radius: 22px;
  --container: 1160px;
}
/* roulang page: category1 sanh casino */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  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; }
button { cursor: pointer; }
p { margin: 0 0 12px; }
h1, h2, h3, h4 { font-family: "Be Vietnam Pro", "Segoe UI", sans-serif; color: var(--ink); line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 12px; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(18, 47, 92, .05);
}
.header-bar { display: flex; align-items: center; gap: 18px; min-height: 82px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d6ed6, #12386f);
  color: #fff; font-weight: 800; letter-spacing: -0.04em;
  box-shadow: 0 8px 16px rgba(27,79,156,.28);
}
.brand-text { font-weight: 800; font-size: 16px; color: var(--blue-deep); }
.nav-search { flex: 1; display: flex; max-width: 640px; margin: 0 auto; }
.nav-search input {
  flex: 1; height: 52px; margin: 0; border: 1px solid #d5e2f2; border-right: 0;
  border-radius: 999px 0 0 999px; background: #f7fbff; padding: 0 18px;
  color: var(--ink); box-shadow: none; font-size: 15px;
}
.nav-search input::placeholder { color: #8aa0b8; }
.nav-search button {
  width: 56px; height: 52px; margin: 0; padding: 0; border: 0; border-radius: 0 999px 999px 0;
  background: var(--blue); color: #fff; font-size: 16px; line-height: 1; text-transform: none;
}
.nav-search button:hover { background: var(--blue-deep); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; height: 44px; padding: 0 14px; font-weight: 700; margin: 0;
  text-transform: none; line-height: 1;
}
.nav-wrap { padding-bottom: 12px; }
.site-nav { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px;
  border-radius: 999px; color: #31475f; font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
  background: var(--blue); color: #fff; box-shadow: 0 8px 16px rgba(27,79,156,.22);
}
.lead { color: var(--muted); font-size: 17px; margin: 0 0 18px; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--gold); font-weight: 800; font-size: 12px; letter-spacing: .12em;
  text-transform: uppercase; margin-bottom: 10px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; transition: .2s ease; text-align: center; margin: 0;
  text-transform: none; line-height: 1.2; box-shadow: none;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(27,79,156,.25); }
.btn-primary:hover { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c9d9ee; }
.btn-line:hover { border-color: var(--blue); color: var(--blue); }
.btn-gold { background: #f4e7cf; color: #7a5a1e; }
.btn-gold:hover { background: #edd9b4; color: #5e4312; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0 0; }
.list-clean { margin: 0; padding: 0; list-style: none; }
.list-clean li { padding: 8px 0 8px 22px; position: relative; color: var(--muted); }
.list-clean li::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  position: absolute; left: 0; top: 16px;
}
.icon-pill {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; font-size: 18px;
}
.card, .compare, .mile, .guarantee, .qa, .news-card, .form-card, .metric {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid rgba(27,79,156,.28); outline-offset: 2px;
}
.hall-open { padding: 54px 0 28px; background: linear-gradient(180deg, #f7fbff 0%, #fff 70%); }
.hall-open h1 { font-size: 52px; max-width: 640px; color: var(--blue-deep); }
.hall-grid, .book-grid, .news-layout, .compare-grid { display: grid; gap: 28px; align-items: center; }
.hall-grid { grid-template-columns: 1.05fr .95fr; }
.flagship { position: relative; margin: 0; border-radius: 28px; overflow: hidden; min-height: 460px; box-shadow: var(--shadow); }
.flagship img { width: 100%; height: 460px; object-fit: cover; }
.flagship figcaption {
  position: absolute; left: 14px; right: 14px; bottom: 14px;
  background: rgba(9, 24, 48, .78); color: #fff; border-radius: 18px; padding: 14px;
  backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.14);
}
.flagship strong { display: block; margin-bottom: 8px; font-size: 14px; }
.series-nav { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.series-nav a {
  display: inline-flex; align-items: center; min-height: 34px; padding: 0 12px;
  border-radius: 999px; background: rgba(255,255,255,.1); color: #fff; font-weight: 700; font-size: 13px;
  border: 1px solid rgba(255,255,255,.16);
}
.series-nav a:hover { background: #fff; color: var(--blue-deep); }
.metric-band { padding: 18px 0 10px; }
.metric-board {
  display: grid; grid-template-columns: 180px repeat(4, 1fr); gap: 0;
  background: #fff; border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); overflow: hidden;
}
.metric-head { padding: 22px 20px; background: var(--blue-deep); color: #fff; }
.metric-head h2 { color: #fff; font-size: 22px; margin: 0; }
.metric-head p { margin: 8px 0 0; color: rgba(255,255,255,.75); font-size: 13px; }
.metric { border: 0; border-left: 1px solid var(--line); border-radius: 0; box-shadow: none; padding: 20px 18px; }
.metric b { display: block; font-size: 34px; color: var(--blue-deep); letter-spacing: -0.04em; line-height: 1; }
.metric span { display: block; margin-top: 8px; font-weight: 700; }
.metric small { display: block; color: var(--muted); font-size: 13px; }
.matrix-band, .compare-band, .mile-band, .news-band, .quick-band, .faq-band { padding: 72px 0; }
.matrix-band, .mile-band, .quick-band { background: var(--paper); }
.compare-band, .news-band, .faq-band { background: #fff; }
.section-head { max-width: 680px; margin-bottom: 26px; }
.section-head h2 { font-size: 34px; }
.bento { display: grid; grid-template-columns: 1.35fr 1fr 1fr; grid-auto-rows: 210px; gap: 16px; }
.tile {
  position: relative; overflow: hidden; border-radius: var(--radius); min-height: 210px;
  border: 1px solid var(--line); box-shadow: var(--shadow); color: #fff;
}
.tile-lg { grid-column: 1 / 2; grid-row: 1 / 3; min-height: 436px; }
.tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.tile-body {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 18px 16px;
  background: linear-gradient(180deg, rgba(8,20,40,0) 0%, rgba(8,20,40,.9) 70%);
}
.tile h3 { color: #fff; font-size: 22px; margin: 0 0 4px; }
.tile p { color: rgba(255,255,255,.86); margin: 0; font-size: 14px; }
.tile:hover img { transform: scale(1.04); }
.tile img { transition: transform .45s ease; }
.compare-grid { grid-template-columns: 1fr 1fr; align-items: stretch; }
.compare { padding: 26px; position: relative; }
.compare-vip { background: linear-gradient(180deg, #12386f, #1b4f9c); color: #fff; border-color: transparent; }
.compare-vip h3, .compare-vip .price { color: #fff; }
.compare-vip .list-clean li { color: rgba(255,255,255,.84); }
.compare-vip .list-clean li::before { background: #ffd78a; }
.compare h3 { font-size: 24px; }
.price { font-size: 20px; font-weight: 800; color: var(--blue-deep); margin-bottom: 8px; }
.tag {
  display: inline-flex; min-height: 28px; align-items: center; padding: 0 10px; border-radius: 999px;
  background: var(--blue-soft); color: var(--blue-deep); font-size: 12px; font-weight: 800; margin-bottom: 10px;
}
.compare-vip .tag { background: rgba(255,255,255,.14); color: #ffd78a; }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative; }
.timeline::before {
  content: ""; position: absolute; top: 28px; left: 24px; right: 24px; height: 2px; background: #d5e3f3;
}
.mile { padding: 18px 16px 16px; position: relative; z-index: 1; }
.mile em {
  display: inline-grid; place-items: center; min-width: 64px; height: 28px; padding: 0 8px;
  border-radius: 999px; background: #f4e7cf; color: #7a5a1e; font-style: normal; font-weight: 800; font-size: 13px;
}
.mile h3 { margin: 12px 0 6px; font-size: 18px; }
.mile p { margin: 0; color: var(--muted); font-size: 14px; }
.news-layout { grid-template-columns: .8fr 1.2fr; align-items: start; }
.news-intro img { width: 100%; height: 240px; object-fit: cover; border-radius: var(--radius); margin-top: 16px; }
.news-list { display: grid; gap: 12px; }
.news-card { padding: 16px 18px; transition: .2s ease; }
.news-card:hover { transform: translateY(-2px); border-color: #c5d8ef; }
.news-meta { display: flex; gap: 10px; flex-wrap: wrap; color: var(--gold); font-size: 12px; font-weight: 800; margin-bottom: 4px; }
.news-card h3 { font-size: 18px; margin: 0 0 6px; }
.news-card h3 a:hover { color: var(--blue); }
.news-card p { color: var(--muted); margin: 0; }
.news-empty {
  margin: 0; padding: 22px; border-radius: var(--radius); background: #fff; border: 1px dashed #c9d9ee; color: var(--muted);
}
.shield-band {
  padding: 72px 0; color: #fff;
  background:
    linear-gradient(115deg, rgba(10,28,58,.92), rgba(27,79,156,.88)),
    url("/assets/images/ed7dcc7d4e617efb.jpg") center/cover no-repeat;
}
.shield-band h2, .shield-band h3 { color: #fff; }
.shield-band .lead { color: rgba(255,255,255,.8); }
.guarantee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.guarantee { padding: 18px; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); color: #fff; box-shadow: none; }
.guarantee .icon-pill { background: rgba(255,255,255,.12); color: #ffd78a; }
.guarantee p { color: rgba(255,255,255,.8); margin: 0; }
.quick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.qa { padding: 18px 18px 8px; }
.qa h3 { font-size: 18px; }
.qa p { color: var(--muted); }
.faq-list { display: grid; gap: 10px; max-width: 860px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 18px; box-shadow: var(--shadow); }
.faq-item summary { cursor: pointer; font-weight: 700; min-height: 58px; display: flex; align-items: center; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; margin-left: auto; color: var(--blue); font-size: 22px; font-weight: 500; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); padding-bottom: 14px; }
.book-band {
  padding: 72px 0;
  background:
    linear-gradient(100deg, rgba(244,248,252,.95), rgba(244,248,252,.92)),
    url("/assets/images/951043bcc3000aaa.jpg") center/cover no-repeat;
}
.book-grid { grid-template-columns: .9fr 1.1fr; align-items: start; }
.form-card { padding: 22px; }
.form-card label { display: block; font-weight: 700; margin: 10px 0 6px; font-size: 14px; }
.form-card input, .form-card select, .form-card textarea {
  width: 100%; border: 1px solid #d5e2f2; border-radius: 14px; min-height: 48px;
  padding: 10px 14px; margin: 0 0 4px; background: #fff; box-shadow: none; color: var(--ink);
}
.form-card textarea { min-height: 96px; resize: vertical; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus, .nav-search input:focus {
  border-color: #8eb6f5; outline: 3px solid rgba(27,79,156,.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-note { color: var(--muted); font-size: 13px; margin: 10px 0 0; }
.site-footer { background: #10243f; color: rgba(255,255,255,.82); padding: 48px 0 32px; }
.site-footer h2 { color: #fff; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.foot-brand { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 12px 18px; margin: 16px 0; }
.foot-links a { color: #d5e4f7; font-weight: 600; }
.foot-links a:hover { color: #fff; }
.legal { color: rgba(255,255,255,.62); font-size: 13px; margin: 0; }
@media (max-width: 1024px) {
  .hall-open h1 { font-size: 42px; }
  .metric-board { grid-template-columns: 1fr 1fr; }
  .metric-head { grid-column: 1 / -1; }
  .metric { border-left: 0; border-top: 1px solid var(--line); }
  .bento { grid-template-columns: 1fr 1fr; grid-auto-rows: 220px; }
  .tile-lg { grid-column: 1 / -1; grid-row: auto; min-height: 300px; }
  .timeline { grid-template-columns: repeat(3, 1fr); }
  .timeline::before { display: none; }
  .guarantee-grid { grid-template-columns: 1fr 1fr; }
  .section-head h2 { font-size: 30px; }
}
@media (max-width: 768px) {
  .header-bar { flex-wrap: wrap; min-height: auto; padding: 12px 0; }
  .brand { min-width: 0; }
  .nav-search { order: 3; max-width: none; flex: 1 1 100%; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .nav-wrap { display: none; padding-bottom: 14px; }
  .nav-wrap.is-open { display: block; }
  .site-nav { flex-direction: column; align-items: stretch; }
  .site-nav a { justify-content: center; }
  .hall-grid, .compare-grid, .news-layout, .book-grid, .quick-grid, .form-row { grid-template-columns: 1fr; }
  .hall-open { padding-top: 28px; }
  .hall-open h1 { font-size: 36px; }
  .flagship, .flagship img { min-height: 320px; height: 320px; }
  .matrix-band, .compare-band, .mile-band, .news-band, .quick-band, .faq-band, .shield-band, .book-band { padding: 52px 0; }
  .timeline { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 20px)); }
  .hall-open h1 { font-size: 32px; }
  .metric-board, .bento, .guarantee-grid { grid-template-columns: 1fr; }
  .hero-actions .btn, .form-card .btn { width: 100%; }
  .brand-text { font-size: 14px; }
  .tile-lg { min-height: 260px; }
}

/* roulang page: category2 */
:root {
  --blue: #1b4f9c;
  --blue-deep: #12386f;
  --blue-soft: #e8f1fb;
  --ink: #17283d;
  --muted: #5c6d82;
  --line: #e2ebf5;
  --paper: #f4f8fc;
  --white: #ffffff;
  --gold: #b8883d;
  --shadow: 0 16px 40px rgba(22, 54, 102, 0.08);
  --radius: 22px;
  --container: 1160px;
}
/* roulang page: category2 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  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; }
button { cursor: pointer; }
h1, h2, h3, h4 { color: var(--ink); letter-spacing: -0.03em; line-height: 1.22; margin: 0 0 12px; }
p { margin: 0 0 12px; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(18, 47, 92, .05);
}
.header-bar { display: flex; align-items: center; gap: 18px; min-height: 82px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d6ed6, #12386f);
  color: #fff; font-weight: 800; letter-spacing: -0.04em;
  box-shadow: 0 8px 16px rgba(27,79,156,.28);
}
.brand-text { font-weight: 800; font-size: 16px; color: var(--blue-deep); }
.nav-search { flex: 1; display: flex; max-width: 640px; margin: 0 auto; }
.nav-search input {
  flex: 1; height: 52px; margin: 0; border: 1px solid #d5e2f2; border-right: 0;
  border-radius: 999px 0 0 999px; background: #f7fbff; padding: 0 18px;
  color: var(--ink); box-shadow: none;
}
.nav-search input::placeholder { color: #8aa0b8; }
.nav-search button {
  width: 56px; border: 0; border-radius: 0 999px 999px 0;
  background: var(--blue); color: #fff; font-size: 16px;
}
.nav-search button:hover { background: var(--blue-deep); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; height: 44px; padding: 0 14px; gap: 8px; align-items: center; font-weight: 700;
}
.nav-wrap { padding-bottom: 12px; }
.site-nav { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px;
  border-radius: 999px; color: #31475f; font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
  background: var(--blue); color: #fff; box-shadow: 0 8px 16px rgba(27,79,156,.22);
}
.lead { color: var(--muted); font-size: 17px; margin: 0 0 26px; }
.lead.narrow { max-width: 740px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; transition: .2s ease; text-align: center;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(27,79,156,.25); }
.btn-primary:hover { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c9d9ee; }
.btn-line:hover { border-color: var(--blue); color: var(--blue); }
.btn-gold { background: #f4e7cf; color: #7a5a1e; }
.btn-gold:hover { background: #edd9b4; color: #5e4312; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--blue); font-weight: 800; font-size: 13px; letter-spacing: .04em;
  text-transform: uppercase; margin-bottom: 10px;
}
.panel, .card, .tier, .doc, .qa, .mile, .guarantee, .news-card, .compare, .preview, .form-card, .metric-board, .pick-card, .market-main, .market-side article, .quick-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.sport-hero {
  background:
    linear-gradient(180deg, rgba(244,248,252,.94), rgba(244,248,252,.9)),
    url("/assets/images/ed7dcc7d4e617efb.jpg") center/cover no-repeat;
  padding: 56px 0 34px;
}
.sport-hero h1 { font-size: 52px; max-width: 640px; color: var(--blue-deep); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 8px 0 18px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.hero-chips li {
  background: #fff; border: 1px solid var(--line); color: var(--blue-deep);
  border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 700;
}
.pick-card { overflow: hidden; }
.pick-photo { position: relative; height: 168px; }
.pick-photo img { width: 100%; height: 100%; object-fit: cover; }
.pick-photo span {
  position: absolute; left: 14px; bottom: 14px;
  background: rgba(10,28,58,.82); color: #fff; border-radius: 999px;
  padding: 6px 12px; font-size: 12px; font-weight: 700;
}
.pick-body { padding: 18px 18px 8px; }
.odd-line {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 8px;
  padding: 10px 0; border-top: 1px solid var(--line); align-items: center;
}
.odd-line strong { font-size: 14px; }
.odd-line em { font-style: normal; font-weight: 800; color: var(--gold); text-align: right; }
.fine { color: var(--muted); font-size: 13px; }
.section { padding: 72px 0; }
.section-paper { background: var(--paper); }
.section h2 { font-size: 34px; }
.metric-board { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; }
.metric { padding: 22px 20px; border-right: 1px solid var(--line); }
.metric:last-child { border-right: 0; }
.metric b { display: block; font-size: 34px; color: var(--blue-deep); letter-spacing: -0.04em; line-height: 1; margin-bottom: 8px; }
.metric span { display: block; font-weight: 800; margin-bottom: 4px; }
.metric small { color: var(--muted); }
.market-main { overflow: hidden; height: 100%; }
.market-main img, .market-side img { width: 100%; height: 180px; object-fit: cover; }
.market-copy, .side-copy { padding: 18px 18px 8px; }
.icon-pill {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; font-size: 18px;
}
.market-side { display: grid; gap: 14px; }
.market-side article { overflow: hidden; display: grid; grid-template-columns: 112px 1fr; }
.market-side img { height: 100%; min-height: 124px; }
.tag {
  display: inline-flex; border-radius: 999px; background: var(--blue-soft); color: var(--blue-deep);
  padding: 4px 10px; font-size: 12px; font-weight: 800; margin-bottom: 8px;
}
.list-clean { margin: 0; padding: 0 0 8px; list-style: none; }
.list-clean li { padding: 7px 0 7px 22px; position: relative; color: var(--muted); }
.list-clean li::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  position: absolute; left: 0; top: 14px;
}
.compare { padding: 22px; height: 100%; }
.compare h3 { display: flex; align-items: center; gap: 10px; }
.vs-note {
  margin-top: 18px; padding: 16px 18px; border-radius: 18px;
  background: var(--blue-deep); color: #fff;
}
.vs-note strong { color: #ffd78a; }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; position: relative; }
.mile { padding: 18px; min-height: 210px; }
.mile i {
  font-style: normal; font-weight: 800; color: var(--blue);
  display: block; font-size: 13px; letter-spacing: .08em; margin-bottom: 8px;
}
.news-list { display: grid; gap: 14px; }
.news-card {
  display: grid; grid-template-columns: 190px 1fr; gap: 16px; padding: 12px;
  transition: .2s ease;
}
.news-card:hover { transform: translateY(-2px); border-color: #c5d8f0; }
.news-card img { width: 100%; height: 124px; object-fit: cover; border-radius: 16px; }
.news-card h3 { font-size: 20px; margin-bottom: 6px; }
.news-meta { display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.empty-note { margin: 0; padding: 18px; border: 1px dashed #c5d8f0; border-radius: 16px; color: var(--muted); background: #fff; }
.assure {
  position: relative; color: #fff; border-radius: 28px; overflow: hidden;
  background:
    linear-gradient(105deg, rgba(8,24,48,.92), rgba(18,56,111,.78)),
    url("/assets/images/951043bcc3000aaa.jpg") center/cover no-repeat;
  padding: 36px;
}
.assure h2, .assure h3 { color: #fff; }
.assure p { color: rgba(255,255,255,.82); }
.assure-grid { display: grid; grid-template-columns: 1.1fr .9fr .9fr; gap: 18px; }
.assure-item { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 16px; }
.quick-card { padding: 20px; height: 100%; }
.quick-card b { color: var(--gold); display: block; margin-bottom: 8px; }
.faq-list { display: grid; gap: 10px; max-width: 860px; }
.faq-list details { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 16px; box-shadow: var(--shadow); }
.faq-list summary { cursor: pointer; font-weight: 800; min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--blue); font-size: 22px; font-weight: 500; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { color: var(--muted); padding-bottom: 14px; }
.form-card { padding: 22px; }
.form-card label { font-weight: 700; display: block; margin: 10px 0 6px; }
.form-card input, .form-card select, .form-card textarea, .nav-search input {
  width: 100%; border: 1px solid #d5e2f2; border-radius: 14px; min-height: 48px;
  padding: 10px 14px; margin: 0; background: #fff; box-shadow: none; color: var(--ink);
}
.form-card textarea { min-height: 110px; resize: vertical; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus, .nav-search input:focus {
  border-color: #8eb6f5; outline: 3px solid rgba(27,79,156,.15);
}
.form-note { margin-top: 12px; background: var(--blue-soft); color: var(--blue-deep); border-radius: 14px; padding: 12px 14px; font-weight: 700; }
.side-photo { border-radius: var(--radius); overflow: hidden; min-height: 100%; border: 1px solid var(--line); box-shadow: var(--shadow); }
.side-photo img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; }
.site-footer { background: #0e2344; color: rgba(255,255,255,.86); padding: 48px 0 28px; }
.site-footer h2 { color: #9fb6d4; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.foot-brand { font-size: 28px; font-weight: 800; color: #fff; margin: 0 0 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 18px 0; }
.foot-links a { color: #d5e4f8; font-weight: 700; }
.foot-links a:hover { color: #fff; }
.legal { color: rgba(255,255,255,.62); font-size: 13px; }
@media (max-width: 1024px) {
  .sport-hero h1 { font-size: 42px; }
  .metric-board, .timeline, .assure-grid { grid-template-columns: 1fr 1fr; }
  .metric:nth-child(2) { border-right: 0; }
  .timeline { gap: 12px; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .header-bar { flex-wrap: wrap; min-height: 72px; padding: 12px 0; }
  .nav-search { order: 3; flex: 1 1 100%; max-width: none; }
  .brand { min-width: 0; flex: 1; }
  .nav-wrap { display: none; padding-bottom: 14px; }
  .nav-wrap.is-open { display: block; }
  .site-nav { justify-content: flex-start; }
  .sport-hero { padding: 36px 0 20px; }
  .sport-hero h1, .section h2 { font-size: 32px; }
  .section { padding: 52px 0; }
  .market-side article, .news-card { grid-template-columns: 1fr; }
  .market-side img, .news-card img { height: 180px; }
  .assure { padding: 22px; }
  .assure-grid, .metric-board, .timeline { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 1px solid var(--line); }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 20px)); }
  .sport-hero h1 { font-size: 30px; }
  .hero-actions .btn, .form-card .btn { width: 100%; }
  .brand-text { font-size: 14px; }
  .odd-line { grid-template-columns: 1fr; }
  .odd-line em { text-align: left; }
}

/* roulang page: category3 */
:root {
  --blue: #1b4f9c;
  --blue-deep: #12386f;
  --blue-soft: #e8f1fb;
  --ink: #17283d;
  --muted: #5c6d82;
  --line: #e2ebf5;
  --paper: #f4f8fc;
  --white: #ffffff;
  --gold: #b8883d;
  --shadow: 0 16px 40px rgba(22, 54, 102, 0.08);
  --radius: 22px;
  --container: 1160px;
}
/* roulang page: category3 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  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; }
button { cursor: pointer; }
p, h1, h2, h3, h4 { overflow-wrap: break-word; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.03em; font-weight: 800; color: var(--ink); margin: 0 0 12px; }
p { margin: 0 0 12px; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(18, 47, 92, .05);
}
.header-bar { display: flex; align-items: center; gap: 18px; min-height: 82px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d6ed6, #12386f);
  color: #fff; font-weight: 800; letter-spacing: -0.04em;
  box-shadow: 0 8px 16px rgba(27,79,156,.28);
}
.brand-text { font-weight: 800; font-size: 16px; color: var(--blue-deep); }
.nav-search { flex: 1; display: flex; max-width: 640px; margin: 0 auto; }
.nav-search input {
  flex: 1; height: 52px; margin: 0; border: 1px solid #d5e2f2; border-right: 0;
  border-radius: 999px 0 0 999px; background: #f7fbff; padding: 0 18px;
  color: var(--ink); box-shadow: none; width: auto;
}
.nav-search input::placeholder { color: #8aa0b8; }
.nav-search button {
  width: 56px; border: 0; border-radius: 0 999px 999px 0;
  background: var(--blue); color: #fff; font-size: 16px; margin: 0;
}
.nav-search button:hover { background: var(--blue-deep); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; height: 44px; padding: 0 14px; align-items: center; font-weight: 700; margin: 0 0 0 auto;
}
.nav-wrap { padding-bottom: 12px; }
.site-nav { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px;
  border-radius: 999px; color: #31475f; font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
  background: var(--blue); color: #fff; box-shadow: 0 8px 16px rgba(27,79,156,.22);
}
.site-nav a:focus-visible, .btn:focus-visible, .nav-search button:focus-visible, .faq-q:focus-visible, .play-btn:focus-visible, .nav-toggle:focus-visible {
  outline: 3px solid rgba(27,79,156,.35); outline-offset: 2px;
}
.lead { color: var(--muted); font-size: 17px; margin: 0 0 18px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; transition: .2s ease; text-align: center; margin: 0;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(27,79,156,.25); }
.btn-primary:hover, .btn-primary:focus { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover, .btn-ghost:focus { background: rgba(255,255,255,.12); color: #fff; }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c9d9ee; }
.btn-line:hover, .btn-line:focus { border-color: var(--blue); color: var(--blue); }
.reel {
  position: relative; color: #fff;
  background:
    linear-gradient(105deg, rgba(8,22,44,.94) 0%, rgba(12,40,82,.84) 48%, rgba(9,28,58,.62) 100%),
    url("/assets/images/ed7dcc7d4e617efb.jpg") center/cover no-repeat;
  padding: 54px 0 58px;
}
.reel h1 { font-size: 50px; margin: 12px 0 14px; color: #fff; max-width: 640px; }
.reel .lead { color: rgba(255,255,255,.86); max-width: 620px; }
.crumb { display: flex; gap: 8px; align-items: center; color: rgba(255,255,255,.75); font-size: 13px; font-weight: 600; margin: 0 0 8px; }
.crumb a { color: #fff; border-bottom: 1px solid rgba(255,255,255,.35); }
.reel-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 8px 0 18px; }
.reel-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.reel-chips li {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 600;
}
.poster { padding: 0; overflow: hidden; background: #fff; color: var(--ink); }
.poster-media { position: relative; }
.poster-media img { width: 100%; height: 280px; object-fit: cover; }
.play-btn {
  position: absolute; left: 18px; bottom: 18px; width: 74px; height: 74px; border-radius: 50%;
  border: 0; background: #fff; color: var(--blue); display: grid; place-items: center;
  font-size: 22px; box-shadow: 0 12px 30px rgba(0,0,0,.25); margin: 0;
}
.play-btn:hover { transform: scale(1.05); color: var(--blue-deep); }
.play-btn[aria-pressed="true"] { background: #f4e7cf; color: #7a5a1e; }
.sample-reels { padding: 16px 16px 8px; }
.reel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 10px; }
.reel-col {
  background: var(--blue-soft); border-radius: 14px; min-height: 92px;
  display: grid; align-content: center; justify-items: center; gap: 2px;
  color: var(--blue-deep); font-weight: 800;
}
.sample-reels p { color: var(--muted); font-size: 14px; }
.sample-reels.is-playing .reel-col span { animation: reelShift .5s linear infinite; }
@keyframes reelShift { from { transform: translateY(0); } to { transform: translateY(-6px); } }
.band { padding: 76px 0; background: #fff; }
.band-paper { background: var(--paper); }
.section-head { max-width: 720px; margin-bottom: 26px; }
.section-head h2, .join-copy h2, .scene-copy h2 { font-size: 36px; }
.eyebrow {
  display: inline-flex; align-items: center; min-height: 30px; padding: 0 12px; margin: 0 0 12px;
  border-radius: 999px; background: var(--blue-soft); color: var(--blue-deep); font-weight: 700; font-size: 13px;
}
.card, .stat, .feature-card, .stack-card, .scene-card, .compare, .news-card, .faq-item, .form-card, .poster {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.stat, .feature-card, .stack-card, .compare, .news-card, .form-card { padding: 20px; height: 100%; }
.stat strong { display: block; font-size: 34px; color: var(--blue-deep); line-height: 1.1; letter-spacing: -0.04em; }
.stat span { display: block; color: var(--muted); margin-top: 6px; }
.stat em { font-style: normal; color: var(--gold); font-weight: 800; font-size: 13px; }
.feature-card img, .scene-card img { width: 100%; height: 230px; object-fit: cover; border-radius: 16px; margin-bottom: 14px; }
.icon-pill {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; font-size: 18px;
}
.stack-card + .stack-card { margin-top: 16px; }
.stack-card p, .feature-card p, .compare p, .news-card p, .scene-row p { color: var(--muted); }
.list-clean { margin: 0; padding: 0; list-style: none; }
.list-clean li { padding: 8px 0 8px 22px; position: relative; color: var(--ink); }
.list-clean li::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  position: absolute; left: 0; top: 16px;
}
.scene-card { padding: 12px; height: 100%; }
.scene-card img { height: 100%; min-height: 420px; margin: 0; border-radius: 16px; }
.scene-row { display: flex; gap: 14px; padding: 14px 0; border-top: 1px solid var(--line); }
.scene-row:first-of-type { border-top: 0; padding-top: 0; }
.scene-row h3 { font-size: 18px; margin-bottom: 4px; }
.scene-no {
  flex: 0 0 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: #f4e7cf; color: #7a5a1e; font-weight: 800;
}
.steps { list-style: none; margin: 0 0 28px; padding: 0; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; height: 100%; }
.step b { display: block; color: var(--gold); font-size: 13px; margin-bottom: 8px; }
.step h3 { font-size: 18px; }
.step p { color: var(--muted); margin: 0; }
.compare h3 { display: flex; align-items: center; gap: 8px; }
.kicker { color: var(--blue); font-weight: 700; font-size: 13px; margin-bottom: 8px; }
.news-card h3 { font-size: 20px; }
.news-card a:hover { color: var(--blue); }
.news-card time { color: var(--muted); font-size: 13px; }
.empty-note {
  margin: 0; padding: 18px 20px; border-radius: 16px; background: #fff; border: 1px dashed #c9d9ee; color: var(--muted);
}
.faq-item { margin-bottom: 12px; overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: #fff; border: 0; display: flex; justify-content: space-between;
  gap: 16px; padding: 18px 20px; font-weight: 800; font-size: 17px; color: var(--ink); margin: 0;
}
.faq-q i { color: var(--blue); margin-top: 4px; }
.faq-a { display: none; padding: 0 20px 18px; color: var(--muted); }
.faq-item.is-open .faq-a { display: block; }
.faq-item.is-open .faq-q { color: var(--blue-deep); }
.form-card label { display: block; font-weight: 700; margin: 12px 0 6px; }
.form-card input, .form-card select, .form-card textarea {
  width: 100%; border: 1px solid #d5e2f2; border-radius: 14px; min-height: 48px;
  padding: 10px 14px; margin: 0; background: #fff; box-shadow: none; color: var(--ink);
}
.form-card textarea { min-height: 110px; resize: vertical; }
.nav-search input:focus, .form-card input:focus, .form-card select:focus, .form-card textarea:focus {
  border-color: #8eb6f5; outline: 3px solid rgba(27,79,156,.15);
}
.form-note { margin-top: 12px; background: var(--blue-soft); color: var(--blue-deep); border-radius: 14px; padding: 12px 14px; font-weight: 700; }
.fine { color: var(--muted); font-size: 14px; }
.site-footer { background: var(--blue-deep); color: #fff; padding: 48px 0 36px; }
.site-footer h2 { color: #9fb6d6; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.foot-brand { font-size: 26px; font-weight: 800; margin: 0 0 8px; }
.site-footer p { color: rgba(255,255,255,.82); max-width: 760px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 16px 0; }
.foot-links a { color: #fff; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.25); }
.foot-links a:hover { color: #ffd78a; }
.legal { font-size: 14px; color: rgba(255,255,255,.7); }
@media (prefers-reduced-motion: reduce) {
  .sample-reels.is-playing .reel-col span { animation: none; }
}
@media (max-width: 1024px) {
  .reel h1 { font-size: 42px; }
  .section-head h2, .join-copy h2, .scene-copy h2 { font-size: 32px; }
  .brand { min-width: 180px; }
  .header-bar { gap: 10px; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .header-bar { flex-wrap: wrap; min-height: 0; padding: 12px 0; }
  .brand { flex: 1; min-width: 0; }
  .nav-search { order: 3; flex: 1 1 100%; max-width: none; margin: 0; }
  .nav-wrap { display: none; }
  .nav-wrap.is-open { display: block; }
  .site-nav { flex-direction: column; align-items: stretch; }
  .site-nav a { width: 100%; }
  .scene-card img { min-height: 240px; height: 240px; }
  .band { padding: 56px 0; }
}
@media (max-width: 520px) {
  .reel { padding: 36px 0 32px; }
  .reel h1 { font-size: 32px; }
  .section-head h2, .join-copy h2, .scene-copy h2 { font-size: 28px; }
  .reel-actions, .reel-actions .btn { width: 100%; }
  .poster-media img, .feature-card img { height: 200px; }
  .stat strong { font-size: 28px; }
  .play-btn { width: 62px; height: 62px; }
  .container { width: min(var(--container), calc(100% - 24px)); }
}

/* roulang page: category4 */
:root {
  --blue: #1b4f9c;
  --blue-deep: #12386f;
  --blue-soft: #e8f1fb;
  --ink: #17283d;
  --muted: #5c6d82;
  --line: #e2ebf5;
  --paper: #f4f8fc;
  --white: #ffffff;
  --gold: #b8883d;
  --shadow: 0 16px 40px rgba(22, 54, 102, 0.08);
  --radius: 22px;
  --container: 1160px;
}
/* roulang page: category4 */
:root {
  --blue: #1b4f9c;
  --blue-deep: #12386f;
  --blue-soft: #e8f1fb;
  --ink: #17283d;
  --muted: #5c6d82;
  --line: #e2ebf5;
  --paper: #f4f8fc;
  --white: #ffffff;
  --gold: #b8883d;
  --shadow: 0 16px 40px rgba(22, 54, 102, 0.08);
  --radius: 22px;
  --container: 1160px;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  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; }
button { cursor: pointer; }
h1, h2, h3, h4 { line-height: 1.25; letter-spacing: -0.03em; color: var(--ink); margin: 0 0 12px; }
p { margin: 0 0 12px; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(18, 47, 92, .05);
}
.header-bar { display: flex; align-items: center; gap: 18px; min-height: 82px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d6ed6, #12386f);
  color: #fff; font-weight: 800; letter-spacing: -0.04em;
  box-shadow: 0 8px 16px rgba(27,79,156,.28);
}
.brand-text { font-weight: 800; font-size: 16px; color: var(--blue-deep); }
.nav-search { flex: 1; display: flex; max-width: 640px; margin: 0 auto; }
.nav-search input {
  flex: 1; height: 52px; margin: 0; border: 1px solid #d5e2f2; border-right: 0;
  border-radius: 999px 0 0 999px; background: #f7fbff; padding: 0 18px;
  color: var(--ink); box-shadow: none;
}
.nav-search input::placeholder { color: #8aa0b8; }
.nav-search button {
  width: 56px; border: 0; border-radius: 0 999px 999px 0;
  background: var(--blue); color: #fff; font-size: 16px;
}
.nav-search button:hover { background: var(--blue-deep); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; height: 44px; padding: 0 14px; gap: 8px; align-items: center; font-weight: 700;
}
.nav-wrap { padding-bottom: 12px; }
.site-nav { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px;
  border-radius: 999px; color: #31475f; font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
  background: var(--blue); color: #fff; box-shadow: 0 8px 16px rgba(27,79,156,.22);
}
.lead { color: var(--muted); font-size: 17px; margin: 0 0 26px; }
.lead.narrow { max-width: 740px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; transition: .2s ease; text-align: center;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(27,79,156,.25); }
.btn-primary:hover { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c9d9ee; }
.btn-line:hover { border-color: var(--blue); color: var(--blue); }
.btn-gold { background: #f4e7cf; color: #7a5a1e; }
.btn-gold:hover { background: #edd9b4; color: #5e4312; }
.card, .tier, .doc, .qa, .mile, .guarantee, .news-card, .form-card, .panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.icon-pill {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; font-size: 18px;
}
.list-clean { margin: 0; padding: 0; list-style: none; }
.list-clean li { padding: 8px 0 8px 22px; position: relative; color: var(--ink); }
.list-clean li::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  position: absolute; left: 0; top: 16px;
}
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: #f4e7cf; color: #7a5a1e; border-radius: 999px;
  font-weight: 700; font-size: 12px; padding: 5px 10px;
}
.section { padding: 72px 0; }
.section h2 { font-size: 34px; max-width: 680px; }
.section-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 28px; }
.section-head p { max-width: 420px; color: var(--muted); margin: 0; }
.bg-paper { background: var(--paper); }
.bg-soft { background: linear-gradient(180deg, #f7fbff 0%, #eef4fb 100%); }
.promo-hero { padding: 54px 0 36px; background: linear-gradient(180deg, #f8fbff 0%, #ffffff 70%); }
.promo-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center; }
.promo-hero h1 { font-size: 52px; max-width: 640px; color: var(--blue-deep); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 8px 0 18px; }
.trust-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.trust-bar li {
  background: var(--white); border: 1px solid var(--line); color: var(--blue-deep);
  border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 700;
  box-shadow: 0 6px 16px rgba(22,54,102,.04);
}
.offer-card { overflow: hidden; padding: 12px; }
.offer-photo { height: 230px; border-radius: 16px; overflow: hidden; }
.offer-photo img { width: 100%; height: 100%; object-fit: cover; }
.offer-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 12px 6px 6px; }
.offer-meta strong { display: block; color: var(--blue-deep); font-size: 18px; }
.offer-meta span { color: var(--muted); font-size: 12px; }
.metric-board {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #fff; border: 1px solid var(--line); border-radius: 28px;
  box-shadow: var(--shadow); overflow: hidden;
}
.metric { padding: 26px 22px; border-right: 1px solid var(--line); }
.metric:last-child { border-right: 0; }
.metric b { display: block; font-size: 36px; color: var(--blue); letter-spacing: -0.04em; line-height: 1; margin-bottom: 8px; }
.metric span { color: var(--muted); display: block; }
.matrix { display: grid; grid-template-columns: 1.4fr .8fr; grid-template-areas: "main side" "wide side2"; gap: 16px; }
.matrix-main { grid-area: main; display: grid; grid-template-columns: 1.1fr .9fr; min-height: 280px; overflow: hidden; padding: 0; }
.matrix-main img { width: 100%; height: 100%; object-fit: cover; min-height: 240px; }
.matrix-copy, .matrix-side, .matrix-wide { padding: 22px; }
.matrix-side, .matrix-wide, .matrix-main { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.matrix-side small, .kicker { color: var(--gold); font-weight: 800; font-size: 12px; letter-spacing: .04em; }
.tier-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; align-items: stretch; }
.tier { padding: 20px; }
.tier.is-hot { border-color: #b7cff0; box-shadow: 0 18px 36px rgba(27,79,156,.14); }
.tier h3 { font-size: 22px; }
.tier .rate { font-size: 28px; font-weight: 800; color: var(--blue); margin: 6px 0; }
.tier ul { margin: 0; padding: 0; list-style: none; }
.tier li { padding: 8px 0; border-top: 1px solid var(--line); color: var(--muted); }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; position: relative; }
.mile { padding: 18px; position: relative; }
.mile em {
  font-style: normal; width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center; background: var(--blue); color: #fff; font-weight: 800; margin-bottom: 10px;
}
.news-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 22px; align-items: start; }
.news-list { display: grid; gap: 12px; }
.news-card { display: grid; grid-template-columns: 92px 1fr; gap: 14px; padding: 14px; align-items: center; transition: .2s ease; }
.news-card:hover { transform: translateY(-2px); border-color: #c5d8f0; }
.news-index {
  width: 92px; height: 76px; border-radius: 16px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue-deep); font-weight: 800; font-size: 20px;
}
.news-card h3 { font-size: 18px; margin: 0 0 4px; }
.news-card p { margin: 0; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { color: var(--blue); font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.empty-note { padding: 18px; }
.guard {
  position: relative; color: #fff; border-radius: 0;
  background:
    linear-gradient(100deg, rgba(10,28,58,.92), rgba(18,56,111,.84)),
    url("/assets/images/951043bcc3000aaa.jpg") center/cover no-repeat;
}
.guard h2, .guard h3 { color: #fff; }
.guard-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: center; }
.guard-photo { border-radius: 22px; overflow: hidden; min-height: 280px; border: 1px solid rgba(255,255,255,.2); }
.guard-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
.guard-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.guarantee { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.16); color: #fff; padding: 16px; box-shadow: none; }
.guarantee p { color: rgba(255,255,255,.78); margin: 0; }
.guarantee i { color: #ffd78a; margin-bottom: 8px; }
.quick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.qa { padding: 18px 18px 8px; border-left: 4px solid var(--blue); }
.qa p { color: var(--muted); }
.faq-list { display: grid; gap: 10px; }
.faq-list details { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 16px; box-shadow: var(--shadow); }
.faq-list summary { cursor: pointer; font-weight: 700; min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--blue); font-size: 22px; font-weight: 500; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { color: var(--muted); margin: 0 0 16px; }
.convert-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; align-items: start; }
.form-card { padding: 22px; }
.form-card label { display: block; font-weight: 700; margin: 10px 0 6px; }
.form-card input, .form-card select, .form-card textarea {
  width: 100%; border: 1px solid #d5e2f2; border-radius: 14px; min-height: 48px;
  padding: 10px 14px; margin: 0; background: #fff; box-shadow: none; color: var(--ink);
}
.form-card textarea { min-height: 110px; resize: vertical; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus, .nav-search input:focus {
  border-color: #8eb6f5; outline: 3px solid rgba(27,79,156,.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-status { display: none; margin-top: 12px; background: var(--blue-soft); color: var(--blue-deep); border-radius: 14px; padding: 12px 14px; font-weight: 600; }
.form-status.show { display: block; }
.site-footer { background: #10243f; color: #d5e3f4; padding: 48px 0 32px; }
.site-footer h2 { color: #9fb3cb; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; }
.foot-brand { color: #fff; font-size: 26px; font-weight: 800; margin: 0 0 8px; }
.site-footer p { color: #c5d5e8; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 18px 0; }
.foot-links a { color: #d5e3f4; font-weight: 700; border-bottom: 1px solid transparent; }
.foot-links a:hover { color: #fff; border-color: rgba(255,255,255,.4); }
.legal { color: #9fb3cb; font-size: 13px; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid rgba(27,79,156,.35); outline-offset: 2px; }
@media (max-width: 1024px) {
  .promo-hero h1 { font-size: 42px; }
  .matrix-main { grid-template-columns: 1fr; }
  .tier-grid, .timeline, .metric-board { grid-template-columns: 1fr 1fr; }
  .metric:nth-child(2) { border-right: 0; }
  .metric { border-bottom: 1px solid var(--line); }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .header-bar { flex-wrap: wrap; min-height: 0; padding: 12px 0; }
  .brand { flex: 1; min-width: 0; }
  .nav-search { order: 3; flex: 1 1 100%; max-width: none; }
  .nav-wrap { display: none; }
  .nav-wrap.is-open { display: block; }
  .site-nav { flex-direction: column; align-items: stretch; }
  .promo-grid, .news-layout, .guard-grid, .convert-grid, .matrix, .quick-grid, .form-row { grid-template-columns: 1fr; }
  .matrix { grid-template-areas: "main" "side" "side2" "wide"; }
  .section-head { flex-direction: column; align-items: start; }
  .section { padding: 52px 0; }
  .promo-hero h1, .section h2 { font-size: 32px; }
  .guard-list { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .metric-board, .tier-grid, .timeline, .offer-meta { grid-template-columns: 1fr; }
  .metric { border-right: 0; }
  .news-card { grid-template-columns: 1fr; }
  .news-index { width: 64px; height: 48px; }
  .hero-actions .btn, .form-card .btn { width: 100%; }
  .brand-text { font-size: 14px; }
}

/* roulang page: category5 */
:root {
  --blue: #1b4f9c;
  --blue-deep: #12386f;
  --blue-soft: #e8f1fb;
  --ink: #17283d;
  --muted: #5c6d82;
  --line: #e2ebf5;
  --paper: #f4f8fc;
  --white: #ffffff;
  --gold: #b8883d;
  --shadow: 0 16px 40px rgba(22, 54, 102, 0.08);
  --radius: 22px;
  --container: 1160px;
}
/* roulang page: category5 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  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; }
button { cursor: pointer; }
h1, h2, h3, h4 { font-family: inherit; letter-spacing: -0.03em; color: var(--ink); line-height: 1.2; }
p { margin: 0 0 12px; }
::selection { background: #d6e6fa; color: var(--ink); }
:focus-visible { outline: 3px solid rgba(27,79,156,.35); outline-offset: 2px; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(18, 47, 92, .05);
}
.header-bar { display: flex; align-items: center; gap: 18px; min-height: 82px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d6ed6, #12386f);
  color: #fff; font-weight: 800; letter-spacing: -0.04em;
  box-shadow: 0 8px 16px rgba(27,79,156,.28);
}
.brand-text { font-weight: 800; font-size: 16px; color: var(--blue-deep); }
.nav-search { flex: 1; display: flex; max-width: 640px; margin: 0 auto; }
.nav-search input {
  flex: 1; height: 52px; margin: 0; border: 1px solid #d5e2f2; border-right: 0;
  border-radius: 999px 0 0 999px; background: #f7fbff; padding: 0 18px;
  color: var(--ink); box-shadow: none; font-size: 15px;
}
.nav-search input::placeholder { color: #8aa0b8; }
.nav-search button {
  width: 56px; border: 0; border-radius: 0 999px 999px 0;
  background: var(--blue); color: #fff; font-size: 16px;
}
.nav-search button:hover, .nav-search button:focus { background: var(--blue-deep); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; height: 44px; padding: 0 14px; gap: 8px; align-items: center; font-weight: 700;
}
.nav-toggle:hover { border-color: var(--blue); color: var(--blue); }
.nav-wrap { padding-bottom: 12px; }
.site-nav { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px;
  border-radius: 999px; color: #31475f; font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
  background: var(--blue); color: #fff; box-shadow: 0 8px 16px rgba(27,79,156,.22);
}
.lead { color: var(--muted); font-size: 17px; margin: 0 0 26px; }
.lead.narrow { max-width: 740px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; transition: .2s ease; text-align: center; line-height: 1;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(27,79,156,.25); }
.btn-primary:hover, .btn-primary:focus { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c9d9ee; }
.btn-line:hover { border-color: var(--blue); color: var(--blue); }
.btn-gold { background: #f4e7cf; color: #7a5a1e; }
.btn-gold:hover, .btn-gold:focus { background: #edd9b4; color: #5e4312; }
.card, .tier, .doc, .qa, .mile, .guarantee, .news-card, .compare, .form-card, .metric-board, .qa-line-wrap {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.chip {
  display: inline-flex; align-items: center;
  border-radius: 999px; background: var(--blue-soft); color: var(--blue-deep);
  padding: 7px 12px; font-weight: 700; font-size: 13px;
}
.icon-pill {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); font-size: 18px; flex: 0 0 auto;
}
.list-clean { margin: 0; padding: 0; list-style: none; }
.list-clean li { padding: 8px 0 8px 22px; position: relative; color: var(--muted); }
.list-clean li::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  position: absolute; left: 0; top: 16px;
}
.band { padding: 78px 0; }
.band-paper { background: var(--paper); }
.band-white { background: #fff; }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-head h2, .split-copy h2, .form-copy h2 { font-size: clamp(30px, 3vw, 42px); margin: 0 0 12px; }
.eyebrow {
  display: inline-flex; margin: 0 0 12px; padding: 5px 12px; border-radius: 999px;
  background: rgba(255,255,255,.12); color: #ffe3ad; font-weight: 700; font-size: 13px;
}
.eyebrow.ink { background: var(--blue-soft); color: var(--blue-deep); }
.hero-cut { background: #e7eef8; padding-top: 18px; }
.cut-panel {
  position: relative; color: #fff; overflow: hidden;
  background:
    linear-gradient(115deg, rgba(8,24,48,.95) 6%, rgba(18,56,111,.9) 48%, rgba(27,79,156,.62) 100%),
    url("/assets/images/ed7dcc7d4e617efb.jpg") right center/cover no-repeat;
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
  padding: 72px 0 124px;
}
.cut-panel::after {
  content: ""; position: absolute; width: 320px; height: 220px; right: -30px; top: 20px;
  background: linear-gradient(135deg, rgba(184,136,61,.42), transparent 68%);
  transform: rotate(16deg); pointer-events: none;
}
.cut-panel h1 { color: #fff; font-size: clamp(36px, 5vw, 60px); max-width: 760px; margin: 0 0 16px; position: relative; z-index: 1; }
.cut-panel .lead { color: rgba(255,255,255,.86); max-width: 680px; position: relative; z-index: 1; }
.cut-panel .btn, .cut-note { position: relative; z-index: 1; }
.cut-note { margin: 14px 0 0; color: rgba(255,255,255,.75); font-size: 14px; }
.metric-wrap { margin-top: -58px; position: relative; z-index: 2; padding-bottom: 20px; }
.metric-board { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; }
.metric-item { padding: 26px 22px; border-right: 1px solid var(--line); }
.metric-item:last-child { border-right: 0; }
.metric-item span { display: block; color: var(--gold); font-weight: 800; font-size: 28px; letter-spacing: -0.04em; }
.metric-item strong { display: block; margin: 4px 0; font-size: 16px; }
.metric-item p { margin: 0; color: var(--muted); font-size: 14px; }
.matrix-grid { align-items: stretch; }
.photo-frame {
  position: relative; min-height: 520px; height: 100%; border-radius: 28px; overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--line);
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.photo-caption {
  position: absolute; left: 16px; right: 16px; bottom: 16px; z-index: 1;
  background: rgba(255,255,255,.94); border-radius: 16px; padding: 14px 16px;
}
.photo-caption strong { display: block; }
.photo-caption span { color: var(--muted); font-size: 14px; }
.svc-stack { display: flex; flex-direction: column; gap: 14px; }
.svc-row {
  display: grid; grid-template-columns: 54px 1fr auto; gap: 14px; align-items: center;
  padding: 16px 18px;
}
.svc-row p { margin: 0; color: var(--muted); }
.svc-row b { color: var(--blue-deep); font-size: 14px; white-space: nowrap; }
.compare { padding: 26px; height: 100%; }
.compare.out { background: linear-gradient(180deg, #fff, #f7fbff); }
.compare h3 { margin: 0 0 8px; font-size: 28px; }
.compare .tag {
  display: inline-block; margin-bottom: 10px; font-size: 12px; font-weight: 800;
  letter-spacing: .04em; color: var(--blue); text-transform: uppercase;
}
.mile-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; position: relative; }
.mile-track::before {
  content: ""; position: absolute; top: 34px; left: 4%; right: 4%; height: 2px; background: #d5e4f5;
}
.mile { position: relative; padding: 18px 16px 16px; min-height: 210px; }
.mile em {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--blue); color: #fff; font-style: normal; font-weight: 800; margin-bottom: 12px;
  position: relative; z-index: 1; box-shadow: 0 0 0 6px #fff;
}
.mile h3 { font-size: 18px; margin: 0 0 8px; }
.mile p { margin: 0; color: var(--muted); font-size: 14.5px; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-row {
  display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; padding: 18px 20px;
}
.news-row h3 { margin: 8px 0 6px; font-size: 22px; }
.news-row h3 a:hover { color: var(--blue); }
.news-row p { margin: 0; color: var(--muted); }
.news-row time { color: var(--blue-deep); font-weight: 700; font-size: 14px; white-space: nowrap; }
.empty-note {
  margin: 0; padding: 22px; border-radius: 18px; background: #fff; border: 1px dashed #c5d6ea; color: var(--muted);
}
.guard-band {
  background:
    linear-gradient(110deg, rgba(10,28,54,.94), rgba(18,56,111,.9)),
    url("/assets/images/210830cc7b45c1e2.webp") center/cover no-repeat;
  color: #fff; padding: 78px 0;
}
.guard-band h2, .guard-band .lead { color: #fff; }
.guard-band .lead { color: rgba(255,255,255,.8); }
.guard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.guarantee { display: grid; grid-template-columns: 52px 1fr; gap: 12px; padding: 18px; align-items: start; }
.guarantee h3 { margin: 0 0 6px; font-size: 18px; }
.guarantee p { margin: 0; }
.qa-line-wrap { padding: 8px 22px; }
.qa-line { display: grid; grid-template-columns: 240px 1fr; gap: 18px; padding: 18px 0; border-top: 1px solid var(--line); }
.qa-line:first-child { border-top: 0; }
.qa-line strong { color: var(--blue-deep); }
.qa-line p { margin: 0; color: var(--muted); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.qa { padding: 0; overflow: hidden; }
.qa summary {
  list-style: none; cursor: pointer; padding: 18px 20px; font-weight: 800; color: var(--blue-deep);
  display: flex; justify-content: space-between; gap: 12px; align-items: center;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; font-size: 22px; color: var(--blue); }
.qa[open] summary::after { content: "–"; }
.qa summary:hover { background: #f7fbff; }
.qa p { margin: 0; padding: 0 20px 18px; color: var(--muted); }
.convert-grid { align-items: center; }
.form-card { padding: 22px; }
.form-card label { display: block; font-weight: 700; margin: 12px 0 6px; color: var(--blue-deep); }
.form-card input, .form-card select, .form-card textarea, .nav-search input {
  width: 100%; border: 1px solid #d5e2f2; border-radius: 14px; min-height: 48px;
  padding: 10px 14px; margin: 0; background: #fff; box-shadow: none; color: var(--ink);
}
.form-card textarea { min-height: 110px; resize: vertical; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus, .nav-search input:focus {
  border-color: #8eb6f5; outline: 3px solid rgba(27,79,156,.15);
}
.form-card .btn { margin-top: 16px; width: 100%; }
.form-note { margin: 10px 0 0; color: var(--muted); font-size: 13px; }
.side-visual { border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.side-visual img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.site-footer { background: #102844; color: #d5e2f2; padding: 48px 0 28px; }
.site-footer h2 { color: #9eb4cc; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 12px; }
.foot-brand { font-size: 26px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.site-footer p { color: #c5d4e6; max-width: 760px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 16px 0; }
.foot-links a { color: #fff; font-weight: 700; border-bottom: 1px solid transparent; }
.foot-links a:hover { border-bottom-color: #ffd78a; color: #ffd78a; }
.legal { color: #9eb0c6; font-size: 13px; }
@media (max-width: 1024px) {
  .header-bar { flex-wrap: wrap; min-height: 0; padding: 12px 0 8px; }
  .brand { flex: 1; min-width: 0; }
  .nav-toggle { display: inline-flex; }
  .nav-search { order: 3; flex: 1 1 100%; max-width: none; margin: 8px 0 4px; }
  .nav-wrap { display: none; }
  .nav-wrap.is-open { display: block; }
  .site-nav { justify-content: flex-start; }
  .metric-board, .mile-track, .guard-grid { grid-template-columns: 1fr 1fr; }
  .mile-track::before { display: none; }
  .metric-item { border-bottom: 1px solid var(--line); }
  .photo-frame { min-height: 320px; margin-bottom: 16px; }
}
@media (max-width: 768px) {
  .band, .guard-band { padding: 56px 0; }
  .cut-panel { clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%); padding: 46px 0 78px; }
  .metric-wrap { margin-top: -28px; }
  .faq-grid, .qa-line, .news-row, .svc-row { grid-template-columns: 1fr; }
  .svc-row b, .news-row time { white-space: normal; }
  .cut-panel h1 { font-size: 36px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 20px)); }
  .metric-board, .mile-track, .guard-grid { grid-template-columns: 1fr; }
  .brand-text { font-size: 14px; }
  .nav-search input { min-width: 0; }
  .metric-item:last-child { border-right: 0; }
  .cut-panel h1 { font-size: 32px; }
  .photo-frame { min-height: 240px; }
}

/* roulang page: category7 */
:root {
  --blue: #1b4f9c;
  --blue-deep: #12386f;
  --blue-soft: #e8f1fb;
  --ink: #17283d;
  --muted: #5c6d82;
  --line: #e2ebf5;
  --paper: #f4f8fc;
  --white: #ffffff;
  --gold: #b8883d;
  --shadow: 0 16px 40px rgba(22, 54, 102, 0.08);
  --radius: 22px;
  --container: 1160px;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  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; }
button { cursor: pointer; }
p { margin: 0 0 12px; }
h1, h2, h3, h4 { line-height: 1.25; letter-spacing: -0.02em; color: var(--blue-deep); }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(18, 47, 92, .05);
}
.header-bar { display: flex; align-items: center; gap: 18px; min-height: 82px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d6ed6, #12386f);
  color: #fff; font-weight: 800; letter-spacing: -0.04em;
  box-shadow: 0 8px 16px rgba(27,79,156,.28);
}
.brand-text { font-weight: 800; font-size: 16px; color: var(--blue-deep); }
.nav-search { flex: 1; display: flex; max-width: 640px; margin: 0 auto; }
.nav-search input {
  flex: 1; height: 52px; margin: 0; border: 1px solid #d5e2f2; border-right: 0;
  border-radius: 999px 0 0 999px; background: #f7fbff; padding: 0 18px;
  color: var(--ink); box-shadow: none;
}
.nav-search input::placeholder { color: #8aa0b8; }
.nav-search button {
  width: 56px; border: 0; border-radius: 0 999px 999px 0;
  background: var(--blue); color: #fff; font-size: 16px;
}
.nav-search button:hover, .nav-search button:focus { background: var(--blue-deep); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; height: 44px; padding: 0 14px; align-items: center; font-weight: 700;
}
.nav-wrap { padding-bottom: 12px; }
.site-nav { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px;
  border-radius: 999px; color: #31475f; font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
  background: var(--blue); color: #fff; box-shadow: 0 8px 16px rgba(27,79,156,.22);
}
.lead { color: var(--muted); font-size: 17px; margin: 0 0 18px; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--gold); font-weight: 800; font-size: 13px; letter-spacing: .04em;
  text-transform: uppercase; margin-bottom: 10px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; transition: .2s ease; text-align: center;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(27,79,156,.25); }
.btn-primary:hover, .btn-primary:focus { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c9d9ee; }
.btn-line:hover, .btn-line:focus { border-color: var(--blue); color: var(--blue); }
.btn-gold { background: #f4e7cf; color: #7a5a1e; }
.btn-gold:hover, .btn-gold:focus { background: #edd9b4; color: #5e4312; }
.section { padding: 76px 0; }
.section h2 { font-size: 34px; margin: 0 0 12px; }
.section-head { max-width: 720px; margin-bottom: 28px; }
.hero-app {
  position: relative;
  overflow: hidden;
  padding: 68px 0 72px;
  background:
    radial-gradient(900px 420px at 8% 0%, rgba(255,255,255,.92), rgba(244,248,252,.78) 42%, rgba(232,241,251,.7) 100%),
    url("/assets/images/ed7dcc7d4e617efb.jpg") center/cover no-repeat;
}
.hero-app::before, .hero-app::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero-app::before {
  width: 460px; height: 460px; right: -120px; top: -160px;
  background: radial-gradient(circle, rgba(27,79,156,.18), transparent 68%);
}
.hero-app::after {
  width: 280px; height: 280px; left: 38%; bottom: -120px;
  background: radial-gradient(circle, rgba(184,136,61,.18), transparent 70%);
}
.hero-app .grid-x, .hero-app .container { position: relative; z-index: 1; }
.hero-app h1 { font-size: 52px; margin: 0 0 14px; max-width: 640px; color: var(--blue-deep); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0 16px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.hero-points li {
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(27,79,156,.12);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-deep);
}
.panel, .card, .stat, .module, .mile, .news-card, .qa, .form-card, .fact {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.ingredient {
  padding: 22px;
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.ingredient h2 { font-size: 22px; margin: 0 0 6px; }
.ingredient-list { list-style: none; margin: 14px 0 0; padding: 0; }
.ingredient-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.ingredient-list strong { display: block; color: var(--ink); }
.ingredient-list span { color: var(--muted); font-size: 14px; }
.icon-pill {
  width: 42px; height: 42px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); font-size: 16px;
}
.stat-board { margin-top: -36px; position: relative; z-index: 2; }
.stat {
  padding: 18px 18px 16px;
  min-height: 148px;
  height: 100%;
}
.stat b { display: block; font-size: 30px; color: var(--blue); letter-spacing: -0.04em; }
.stat span { display: block; font-weight: 800; margin: 4px 0; }
.stat p { margin: 0; color: var(--muted); font-size: 14px; }
.section-paper { background: var(--paper); }
.shot {
  border-radius: 28px;
  overflow: hidden;
  min-height: 320px;
  height: 100%;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: relative;
}
.shot img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.shot figcaption {
  position: absolute; left: 16px; right: 16px; bottom: 16px;
  background: rgba(255,255,255,.92);
  border-radius: 16px;
  padding: 12px 14px;
  color: var(--blue-deep);
  font-weight: 700;
}
.module { padding: 18px 18px 8px; margin-bottom: 14px; }
.module h3 { margin: 0 0 6px; font-size: 18px; }
.module p { color: var(--muted); }
.wide-note {
  margin-top: 8px;
  padding: 18px 20px;
  border-radius: 18px;
  background: #fff;
  border: 1px dashed #c9d9ee;
  color: var(--muted);
}
.compare-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; }
.compare {
  padding: 24px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
}
.compare.alt {
  background: linear-gradient(180deg, #12386f, #1b4f9c);
  color: #fff;
  border: 0;
}
.compare.alt h3, .compare.alt p, .compare.alt li { color: #fff; }
.compare h3 { margin: 0 0 8px; font-size: 26px; }
.compare .tag {
  display: inline-flex; margin-bottom: 10px;
  background: var(--blue-soft); color: var(--blue-deep);
  border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 800;
}
.compare.alt .tag { background: rgba(255,255,255,.14); color: #fff; }
.list-clean { margin: 12px 0 0; padding: 0; list-style: none; }
.list-clean li { padding: 8px 0 8px 22px; position: relative; color: var(--muted); }
.compare.alt .list-clean li { color: rgba(255,255,255,.88); }
.list-clean li::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  position: absolute; left: 0; top: 16px;
}
.compare.alt .list-clean li::before { background: #ffd78a; }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; position: relative; }
.timeline::before {
  content: "";
  position: absolute; left: 6%; right: 6%; top: 28px; height: 2px;
  background: linear-gradient(90deg, #d5e2f2, #8eb6f5);
}
.mile { padding: 16px; position: relative; min-height: 210px; }
.mile em {
  font-style: normal; width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center; background: var(--blue); color: #fff; font-weight: 800;
  margin-bottom: 12px; position: relative; z-index: 1;
}
.mile h3 { font-size: 17px; margin: 0 0 6px; }
.mile p { color: var(--muted); font-size: 14px; margin: 0; }
.news-layout { display: grid; grid-template-columns: 280px 1fr; gap: 22px; align-items: start; }
.news-side {
  border-radius: 28px; overflow: hidden; min-height: 100%;
  background: #12386f; color: #fff; box-shadow: var(--shadow);
}
.news-side img { width: 100%; height: 210px; object-fit: cover; }
.news-side div { padding: 18px; }
.news-side h3 { color: #fff; margin: 0 0 8px; }
.news-side p { color: rgba(255,255,255,.78); }
.news-list { display: grid; gap: 12px; }
.news-card { padding: 16px 18px; transition: .2s ease; }
.news-card:hover { transform: translateY(-2px); border-color: #c5d8f0; }
.news-card h3 { margin: 0 0 6px; font-size: 18px; }
.news-card h3 a:hover { color: var(--blue); }
.news-card p { color: var(--muted); margin: 0 0 8px; }
.news-meta { display: flex; gap: 12px; flex-wrap: wrap; color: var(--blue); font-size: 13px; font-weight: 700; }
.empty-note {
  background: #fff; border: 1px dashed #c9d9ee; border-radius: 18px; padding: 22px; color: var(--muted);
}
.more-line { margin-top: 14px; }
.more-line a { font-weight: 800; color: var(--blue-deep); }
.more-line a:hover { color: var(--blue); }
.guarantee {
  border-radius: 32px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  background: #12386f;
  color: #fff;
  box-shadow: var(--shadow);
}
.guarantee-copy { padding: 36px; }
.guarantee-copy h2, .guarantee-copy p { color: #fff; }
.guarantee-copy .lead { color: rgba(255,255,255,.78); }
.guard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.guard {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 14px;
}
.guard strong { display: block; margin-bottom: 4px; }
.guard span { color: rgba(255,255,255,.75); font-size: 14px; }
.guarantee img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.fact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.fact { padding: 18px 20px; display: grid; grid-template-columns: 86px 1fr; gap: 12px; align-items: center; margin-bottom: 12px; }
.fact b { font-size: 22px; color: var(--blue); }
.fact p { margin: 0; color: var(--muted); }
.qa { padding: 22px; height: 100%; background: linear-gradient(180deg, #fff, #f7fbff); }
.qa h3 { margin-top: 0; }
.qa li { margin-bottom: 8px; }
.faq-list { display: grid; gap: 10px; }
.faq-list details {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 4px 16px;
  box-shadow: 0 8px 20px rgba(22,54,102,.04);
}
.faq-list summary { cursor: pointer; font-weight: 800; min-height: 52px; display: flex; align-items: center; color: var(--blue-deep); }
.faq-list summary:focus { outline: 3px solid rgba(27,79,156,.2); border-radius: 12px; }
.faq-list details p { color: var(--muted); margin: 0 0 14px; }
.convert {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: center;
}
.form-card { padding: 22px; }
.form-card label { font-weight: 700; display: block; margin: 10px 0 6px; color: var(--blue-deep); }
.form-card input, .form-card select, .form-card textarea, .nav-search input {
  width: 100%; border: 1px solid #d5e2f2; border-radius: 14px; min-height: 48px;
  padding: 10px 14px; margin: 0; background: #fff; box-shadow: none; color: var(--ink);
}
.nav-search input { width: auto; border-radius: 999px 0 0 999px; }
.form-card textarea { min-height: 96px; resize: vertical; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus, .nav-search input:focus {
  border-color: #8eb6f5; outline: 3px solid rgba(27,79,156,.15);
}
.form-note { color: var(--muted); font-size: 13px; margin-top: 10px; }
.site-footer {
  background: #0f2748;
  color: rgba(255,255,255,.86);
  padding: 48px 0 32px;
}
.site-footer h2 { color: #fff; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 10px; }
.foot-brand { font-size: 26px; font-weight: 800; color: #fff; margin: 0 0 8px; }
.site-footer p { color: rgba(255,255,255,.78); }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 18px 0; }
.foot-links a { color: #d5e4f7; font-weight: 700; }
.foot-links a:hover, .foot-links a:focus { color: #fff; }
.legal { color: rgba(255,255,255,.62); font-size: 13px; }
button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(27,79,156,.28);
  outline-offset: 2px;
}
@media (max-width: 1024px) {
  .header-bar { flex-wrap: wrap; min-height: 0; padding: 12px 0; }
  .brand { flex: 1; min-width: 0; }
  .nav-toggle { display: inline-flex; }
  .nav-search { order: 3; flex: 1 1 100%; max-width: none; margin: 0 0 8px; }
  .nav-wrap { display: none; }
  .nav-wrap.open { display: block; }
  .site-nav { justify-content: flex-start; }
  .hero-app h1 { font-size: 40px; }
  .compare-wrap, .news-layout, .guarantee, .fact-grid, .convert, .timeline { grid-template-columns: 1fr; }
  .timeline::before { display: none; }
  .stat-board { margin-top: 0; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section h2, .hero-app h1 { font-size: 32px; }
  .guard-grid, .fact { grid-template-columns: 1fr; }
  .hero-actions .btn, .form-card .btn { width: 100%; }
  .ingredient-list li { grid-template-columns: 42px 1fr; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 20px)); }
  .brand-text { font-size: 14px; }
  .hero-app { padding: 42px 0 36px; }
  .hero-app h1 { font-size: 30px; }
  .site-nav a { width: 100%; }
  .guarantee-copy, .form-card, .compare { padding: 16px; }
  .news-side img, .shot img, .guarantee img { min-height: 200px; height: 220px; }
}

/* roulang page: category6 */
:root {
  --blue: #1b4f9c;
  --blue-deep: #12386f;
  --blue-soft: #e8f1fb;
  --ink: #17283d;
  --muted: #5c6d82;
  --line: #e2ebf5;
  --paper: #f4f8fc;
  --white: #ffffff;
  --gold: #b8883d;
  --shadow: 0 16px 40px rgba(22, 54, 102, 0.08);
  --radius: 22px;
  --container: 1160px;
}
/* roulang page: category6 */
:root {
  --blue: #1b4f9c;
  --blue-deep: #12386f;
  --blue-soft: #e8f1fb;
  --ink: #17283d;
  --muted: #5c6d82;
  --line: #e2ebf5;
  --paper: #f4f8fc;
  --white: #ffffff;
  --gold: #b8883d;
  --shadow: 0 16px 40px rgba(22, 54, 102, 0.08);
  --radius: 22px;
  --container: 1160px;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { font-family: "Be Vietnam Pro", "Segoe UI", sans-serif; line-height: 1.25; letter-spacing: -0.03em; color: var(--blue-deep); }
p { margin: 0 0 12px; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(18, 47, 92, .05);
}
.header-bar { display: flex; align-items: center; gap: 18px; min-height: 82px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #2d6ed6, #12386f);
  color: #fff; font-weight: 800; letter-spacing: -0.04em;
  box-shadow: 0 8px 16px rgba(27,79,156,.28);
}
.brand-text { font-weight: 800; font-size: 16px; color: var(--blue-deep); }
.nav-search { flex: 1; display: flex; max-width: 640px; margin: 0 auto; }
.nav-search input {
  flex: 1; height: 52px; margin: 0; border: 1px solid #d5e2f2; border-right: 0;
  border-radius: 999px 0 0 999px; background: #f7fbff; padding: 0 18px;
  color: var(--ink); box-shadow: none;
}
.nav-search input::placeholder { color: #8aa0b8; }
.nav-search button {
  width: 56px; border: 0; border-radius: 0 999px 999px 0;
  background: var(--blue); color: #fff; font-size: 16px;
}
.nav-search button:hover, .nav-search button:focus { background: var(--blue-deep); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; color: var(--blue-deep);
  border-radius: 999px; height: 44px; padding: 0 14px; gap: 8px; align-items: center; font-weight: 700;
}
.nav-wrap { display: block; padding-bottom: 12px; }
.site-nav { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px;
  border-radius: 999px; color: #31475f; font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.site-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.site-nav a.active, .site-nav a[aria-current="page"] {
  background: var(--blue); color: #fff; box-shadow: 0 8px 16px rgba(27,79,156,.22);
}
.site-nav a:focus-visible, .btn:focus-visible, .nav-search button:focus-visible, .qa-acc button:focus-visible, .nav-toggle:focus-visible {
  outline: 3px solid rgba(27,79,156,.28); outline-offset: 2px;
}
.lead { color: var(--muted); font-size: 17px; margin: 0 0 26px; }
.lead.narrow { max-width: 740px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; transition: .2s ease; text-align: center;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(27,79,156,.25); }
.btn-primary:hover { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-line { background: #fff; color: var(--blue-deep); border-color: #c9d9ee; }
.btn-line:hover { border-color: var(--blue); color: var(--blue); }
.btn-gold { background: #f4e7cf; color: #7a5a1e; }
.btn-gold:hover { background: #edd9b4; color: #5e4312; }
.hero {
  position: relative; color: #fff;
  background:
    linear-gradient(105deg, rgba(8,22,44,.94) 0%, rgba(12,40,82,.82) 52%, rgba(9,28,58,.72) 100%),
    url("/assets/images/277aec7a4e3dc351.jpg") center/cover no-repeat;
  padding: 58px 0 64px;
}
.hero h1 { font-size: 58px; margin: 0 0 16px; color: #fff; max-width: 640px; }
.hero .lead { color: rgba(255,255,255,.86); font-size: 16.5px; max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0 20px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.hero-chips li {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 600;
}
.rank-list { list-style: none; margin: 0; padding: 0; }
.rank-list li {
  display: grid; grid-template-columns: 42px 1fr auto; gap: 10px; align-items: center;
  padding: 10px 8px; border-top: 1px solid rgba(255,255,255,.1);
}
.rank-list strong { display: block; font-size: 15px; }
.rank-list small { color: rgba(255,255,255,.68); }
.rank-list em { font-style: normal; font-weight: 800; color: #ffd78a; }
.search-panel, .panel, .card, .tier, .doc, .qa, .mile, .guarantee, .resource-side, .news-card, .compare, .preview, .form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.search-panel { padding: 22px; }
.search-panel label { font-weight: 700; display: block; margin-bottom: 8px; }
.big-search { display: flex; gap: 8px; }
.big-search input, .form-card input, .form-card select, .form-card textarea {
  width: 100%; border: 1px solid #d5e2f2; border-radius: 14px; min-height: 48px;
  padding: 10px 14px; margin: 0 0 12px; background: #fff; box-shadow: none; color: var(--ink);
}
.big-search input:focus, .form-card input:focus, .form-card select:focus, .form-card textarea:focus, .nav-search input:focus {
  border-color: #8eb6f5; outline: 3px solid rgba(27,79,156,.15);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  border-radius: 999px; background: var(--blue-soft); color: var(--blue-deep);
  padding: 7px 12px; font-weight: 700; font-size: 13px;
}
.chip:hover { background: #d7e7fa; }
.stat-row { margin-top: 8px; }
.bento img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.icon-pill {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 12px; font-size: 18px;
}
.stack-card { padding: 18px 18px 8px; margin-bottom: 14px; }
.stack-card p, .media-copy p, .doc p, .news-card p, .tier p, .preview p, .compare li, .guarantee p { color: var(--muted); }
.list-clean { margin: 0; padding: 0; list-style: none; }
.list-clean li { padding: 8px 0 8px 22px; position: relative; color: var(--ink); }
.list-clean li::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  position: absolute; left: 0; top: 16px;
}
.band { padding: 76px 0; }
.band-paper { background: var(--paper); }
.band-white { background: var(--white); }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--gold); font-weight: 800; font-size: 13px; letter-spacing: .04em;
  text-transform: uppercase; margin: 0 0 10px;
}
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: flex-end; margin-bottom: 26px; }
.section-head h2, .dash-top h2, .side-copy h2, .form-copy h2 { margin: 0 0 8px; font-size: 34px; }
.section-head p, .dash-top p, .side-copy p { color: var(--muted); margin: 0; max-width: 520px; }
.agent-hero {
  background:
    linear-gradient(180deg, rgba(244,248,252,.94) 0%, rgba(255,255,255,.96) 70%),
    url("/assets/images/ed7dcc7d4e617efb.jpg") center/cover no-repeat;
  padding: 46px 0 28px;
}
.agent-hero h1 { margin: 0 0 12px; font-size: 54px; max-width: 760px; color: var(--blue-deep); }
.agent-hero .lead { max-width: 720px; margin-bottom: 0; }
.hero-stage {
  display: grid; grid-template-columns: .85fr 1.25fr .85fr; gap: 16px;
  align-items: stretch; margin-top: 28px;
}
.side-points { display: flex; flex-direction: column; gap: 12px; justify-content: center; }
.point {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow); padding: 14px 16px; display: flex; gap: 12px; align-items: flex-start;
}
.point i { color: var(--blue); margin-top: 3px; }
.point strong { display: block; font-size: 15px; color: var(--blue-deep); }
.point span { color: var(--muted); font-size: 13.5px; }
.stage-shot {
  margin: 0; background: #fff; border-radius: 28px; padding: 12px;
  border: 1px solid var(--line); box-shadow: 0 24px 50px rgba(18, 56, 111, .12);
}
.stage-shot img { width: 100%; height: 430px; object-fit: cover; border-radius: 20px; }
.stage-shot figcaption {
  display: flex; justify-content: space-between; gap: 10px; align-items: center;
  padding: 12px 8px 4px; color: var(--muted); font-size: 13px; font-weight: 600;
}
.badge {
  display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px;
  border-radius: 999px; background: #f4e7cf; color: #7a5a1e; font-size: 12px; font-weight: 800;
}
.dash { padding: 26px; }
.dash-top { display: flex; justify-content: space-between; gap: 20px; align-items: flex-end; margin-bottom: 18px; }
.stat { padding: 18px 16px; border-top: 1px solid var(--line); }
.stat b { display: block; font-size: 40px; line-height: 1; color: var(--blue); letter-spacing: -0.04em; margin-bottom: 8px; }
.stat span { color: var(--muted); font-size: 14px; display: block; }
.mosaic { display: grid; grid-template-columns: 1.35fr 1fr; gap: 14px; }
.media-card { position: relative; overflow: hidden; min-height: 210px; padding: 0; }
.media-card img { width: 100%; height: 100%; object-fit: cover; min-height: 210px; }
.media-card .shade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,28,58,.05), rgba(10,28,58,.78));
  color: #fff; display: flex; flex-direction: column; justify-content: flex-end; padding: 16px;
}
.media-card h3, .shade h3 { color: #fff; margin: 0 0 4px; font-size: 22px; }
.shade p { color: rgba(255,255,255,.86); margin: 0; }
.plain-card { padding: 18px; }
.plain-card h3 { margin: 0 0 6px; font-size: 20px; }
.plain-card p { margin: 0; }
.span-row { grid-column: 1 / -1; display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.compare-board { padding: 8px; overflow: hidden; }
.cmp-row, .cmp-head {
  display: grid; grid-template-columns: 1.15fr repeat(3, 1fr); gap: 8px; align-items: stretch;
}
.cmp-head span, .cmp-row strong, .cmp-row em {
  background: var(--paper); border-radius: 16px; padding: 14px 12px; font-style: normal;
}
.cmp-head span { background: var(--blue-deep); color: #fff; font-weight: 700; }
.cmp-row { margin-top: 8px; }
.cmp-row span { display: flex; align-items: center; font-weight: 800; color: var(--blue-deep); padding: 0 8px; }
.cmp-row strong { font-size: 18px; color: var(--ink); background: #fff; border: 1px solid var(--line); }
.cmp-row em { color: var(--muted); background: #fff; border: 1px solid var(--line); }
.hot-col { box-shadow: inset 0 0 0 2px #e7d3a8; }
.timeline { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.mile { padding: 18px 16px 16px; position: relative; min-height: 220px; }
.mile .step {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue); color: #fff; font-weight: 800; margin-bottom: 14px;
}
.mile h3 { margin: 0 0 8px; font-size: 18px; }
.mile p { margin: 0; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-row {
  display: grid; grid-template-columns: 150px 1.3fr 1.5fr 140px; gap: 14px; align-items: center;
  padding: 16px 18px; background: #fff; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow); transition: .2s ease;
}
.news-row:hover { transform: translateY(-2px); border-color: #c5d8f0; }
.news-row strong { color: var(--blue-deep); font-size: 17px; }
.news-row em { color: var(--muted); font-style: normal; }
.news-row time { color: var(--blue); font-weight: 700; font-size: 13px; text-align: right; }
.empty-note {
  margin: 0; padding: 22px; border: 1px dashed #c9d9ee; border-radius: 18px;
  background: #fff; color: var(--muted);
}
.guarantee-band {
  background:
    linear-gradient(105deg, rgba(18,56,111,.94), rgba(27,79,156,.84)),
    url("/assets/images/951043bcc3000aaa.jpg") center/cover no-repeat;
  color: #fff; padding: 76px 0;
}
.guarantee-band h2, .guarantee-band h3 { color: #fff; }
.guarantee-band .lead { color: rgba(255,255,255,.84); }
.guarantee { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.16); color: #fff; padding: 18px; height: 100%; }
.guarantee p { color: rgba(255,255,255,.8); }
.guarantee i { color: #ffd78a; font-size: 20px; }
.flash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.flash {
  display: grid; grid-template-columns: 54px 1fr; gap: 12px; align-items: start;
  padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow);
}
.flash b { display: block; color: var(--blue-deep); margin-bottom: 4px; }
.flash span { color: var(--muted); }
.qa-acc { display: flex; flex-direction: column; gap: 10px; }
.qa { overflow: hidden; }
.qa-acc button {
  width: 100%; text-align: left; background: transparent; border: 0; color: var(--blue-deep);
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
  padding: 16px 18px; font-weight: 800; font-size: 17px;
}
.qa-acc button i { color: var(--blue); }
.qa-body { display: none; padding: 0 18px 16px; color: var(--muted); }
.qa.is-open .qa-body { display: block; }
.qa.is-open { border-color: #b9d0ea; }
.split-form { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: stretch; }
.form-visual { position: relative; overflow: hidden; min-height: 100%; }
.form-visual img { width: 100%; height: 100%; object-fit: cover; min-height: 460px; }
.form-visual .shade { min-height: 460px; }
.form-card { padding: 22px; }
.form-card label { display: block; font-weight: 700; margin-bottom: 6px; color: var(--blue-deep); }
.checkline { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 14px; margin: 4px 0 14px; }
.checkline input { width: auto; min-height: 0; margin: 4px 0 0; }
.form-status { display: none; padding: 12px 14px; border-radius: 14px; background: var(--blue-soft); color: var(--blue-deep); font-weight: 700; }
.form-status.show { display: block; margin-bottom: 12px; }
.site-footer { background: var(--blue-deep); color: rgba(255,255,255,.86); padding: 48px 0 28px; }
.site-footer h2 { color: #ffd78a; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 8px; }
.foot-brand { color: #fff; font-size: 30px; font-weight: 800; margin: 0 0 8px; letter-spacing: -0.03em; }
.site-footer p { max-width: 760px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 16px 0; }
.foot-links a { color: #fff; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.28); padding-bottom: 2px; }
.foot-links a:hover { color: #ffd78a; }
.legal { color: rgba(255,255,255,.68); font-size: 13px; }
.cell { min-width: 0; }
@media (max-width: 1024px) {
  .agent-hero h1 { font-size: 42px; }
  .hero-stage { grid-template-columns: 1fr 1fr; }
  .stage-shot { grid-column: 1 / -1; }
  .stage-shot img { height: 320px; }
  .section-head, .dash-top { flex-direction: column; align-items: flex-start; }
  .timeline { grid-template-columns: repeat(3, 1fr); }
  .news-row { grid-template-columns: 120px 1fr; }
  .news-row em, .news-row time { grid-column: 2; text-align: left; }
  .span-row, .split-form { grid-template-columns: 1fr; }
  .brand { min-width: 0; }
}
@media (max-width: 768px) {
  .header-bar { flex-wrap: wrap; min-height: 0; padding: 12px 0; }
  .brand { flex: 1; }
  .nav-toggle { display: inline-flex; }
  .nav-search { order: 3; flex: 1 1 100%; max-width: none; margin: 0; }
  .nav-wrap { display: none; }
  .nav-wrap.is-open { display: block; }
  .site-nav { flex-direction: column; align-items: stretch; }
  .site-nav a { border-radius: 14px; }
  .band, .guarantee-band { padding: 52px 0; }
  .agent-hero h1, .section-head h2, .dash-top h2, .side-copy h2, .form-copy h2 { font-size: 30px; }
  .hero-stage, .mosaic, .flash-grid, .timeline { grid-template-columns: 1fr; }
  .cmp-head { display: none; }
  .cmp-row { grid-template-columns: 1fr; }
  .stat b { font-size: 32px; }
  .news-row { grid-template-columns: 1fr; }
  .form-visual img, .form-visual .shade, .media-card, .media-card img { min-height: 220px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 20px)); }
  .agent-hero h1 { font-size: 30px; }
  .brand-text { font-size: 14px; }
  .hero-actions, .btn { width: 100%; }
  .point { padding: 12px; }
  .dash, .form-card { padding: 16px; }
  .stat { padding: 14px 4px; }
}