/* roulang page: index */
:root {
  --bg: #f4f3f1;
  --bg-alt: #fffcf8;
  --sand: #f7f1e8;
  --ink: #1c1917;
  --muted: #5e584f;
  --line: #e4ddd2;
  --card: #ffffff;
  --gold: #9a6b2f;
  --gold-soft: #f8f1e4;
  --cream: #f3d7a1;
  --nav-1: #2b2118;
  --nav-2: #6b4e2e;
  --ok: #2f6b4f;
  --bad: #8a3d32;
  --console: #1c1712;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 16px 40px rgba(48, 36, 20, .08);
  --shadow-soft: 0 8px 24px rgba(48, 36, 20, .05);
  --header: 78px;
  --max: 1140px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16.5px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { background: #ead7b4; color: var(--ink); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(90deg, var(--nav-1) 0%, #4e3b28 58%, var(--nav-2) 100%);
  color: #f8f1e4;
  box-shadow: 0 10px 28px rgba(28, 20, 12, .22);
}
.nav-wrap { min-height: var(--header); display: flex; align-items: center; gap: 18px; }
.logo { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 13px;
  display: grid; place-items: center;
  background: var(--cream); color: var(--nav-1);
  font-weight: 800;
}
.logo-title { display: block; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.logo-sub { display: block; color: #f0d7ae; font-size: 12px; line-height: 1.3; }
.nav-toggle {
  display: none;
  margin-left: auto;
  background: rgba(255,255,255,.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  padding: 8px 12px;
  cursor: pointer;
}
#menu { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 10px;
  border-radius: 999px;
  color: #f6ecdf;
  font-size: 13.5px;
  font-weight: 600;
}
.nav-list a:hover, .nav-list a:focus-visible { background: rgba(255,255,255,.12); }
.nav-list a.active { background: rgba(255,255,255,.14); box-shadow: inset 0 -2px 0 var(--cream); }
.nav-cta {
  margin-left: 8px;
  background: var(--cream);
  color: var(--nav-1);
  font-weight: 800;
  border-radius: 999px;
  padding: 10px 14px;
  white-space: nowrap;
}
.nav-cta:hover, .nav-cta:focus-visible { background: #fff4df; transform: translateY(-1px); }
.hero {
  position: relative;
  color: #f8f3ea;
  background:
    linear-gradient(100deg, rgba(20,15,11,.9) 0%, rgba(20,15,11,.74) 46%, rgba(20,15,11,.42) 100%),
    url("/assets/images/7235da4ad67dc8e1.webp") center/cover no-repeat;
  padding: 72px 0 64px;
}
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 42px; align-items: end; }
.brand-name { color: var(--cream); font-weight: 700; letter-spacing: .01em; margin-bottom: 14px; }
h1 { font-size: clamp(34px, 4.6vw, 58px); line-height: 1.12; letter-spacing: -.035em; max-width: 16ch; }
.answer-box {
  margin-top: 22px;
  background: rgba(255,250,242,.96);
  color: var(--ink);
  border-left: 5px solid var(--gold);
  border-radius: 0 16px 16px 0;
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.answer-label { color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.answer-box p { margin-top: 6px; }
.hero-lead { margin-top: 18px; max-width: 62ch; color: #f3eadf; font-size: 17px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 16px; border-radius: 999px;
  border: 1px solid transparent; font-weight: 750; cursor: pointer;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-gold { background: var(--cream); color: var(--nav-1); }
.btn-gold:hover { background: #fff6e6; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #322920; }
.console {
  background: var(--console);
  border: 1px solid rgba(243,215,161,.25);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(0,0,0,.32);
}
.console-bar { display: flex; align-items: center; gap: 8px; padding: 12px 14px; background: #2a241c; color: #eadcc6; font-size: 13px; }
.dots { display: flex; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #c9b499; }
.dot:nth-child(1) { background: #c98462; }
.dot:nth-child(2) { background: #e1c07a; }
.console-title { margin-left: 6px; font-weight: 650; }
pre {
  margin: 0; padding: 18px 18px 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13.5px; line-height: 1.75; color: #f6ecdf; overflow: auto;
}
.k { color: #e7c27a; }
.console-foot { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 8px 14px 16px; }
.console-note { color: #d9cbb8; font-size: 13px; }
.pad { padding: 76px 0; }
.bg-white { background: var(--bg-alt); }
.bg-sand { background: var(--sand); }
.bg-mist { background: #efeeeb; }
.kicker { color: var(--gold); font-weight: 800; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; }
h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.2; letter-spacing: -.03em; margin: 8px 0 12px; max-width: 22ch; }
.lead { max-width: 74ch; color: var(--muted); }
.section-head { margin-bottom: 28px; }
.signal-grid, .dash, .local, .contact-grid { display: grid; gap: 22px; }
.signal-grid { grid-template-columns: 1.1fr .9fr; align-items: start; }
.signal-chips { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.chip, .stat, .matrix-item, .bento-card, .case-card, .topic-card, .guard-item, .faq-item, .form-card, .compare-col {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.chip { padding: 16px; }
.chip strong { display: block; font-size: 15px; }
.chip span { color: var(--muted); font-size: 14px; }
.dash { grid-template-columns: .9fr 1.1fr; align-items: stretch; }
.dash-main {
  background: #231c16; color: #f8f1e6;
  border-radius: 24px; padding: 28px;
  min-height: 280px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.dash-main em { font-style: normal; color: var(--cream); font-weight: 800; font-size: 64px; letter-spacing: -.05em; line-height: 1; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat { padding: 18px; }
.stat b { display: block; font-size: 28px; letter-spacing: -.03em; }
.stat span { color: var(--muted); }
.cover-list { display: grid; gap: 10px; }
.cover-row {
  display: grid; grid-template-columns: 92px 1fr auto; gap: 16px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px;
}
.cover-index { font-weight: 800; color: var(--gold); }
.cover-row small { color: var(--muted); }
.matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.matrix-item { padding: 18px 18px 16px; display: grid; grid-template-columns: 42px 1fr; gap: 12px; }
.matrix-item i { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--gold-soft); color: var(--gold); }
.matrix-item h3 { font-size: 18px; margin-bottom: 4px; }
.matrix-item p { color: var(--muted); }
.bento { display: grid; grid-template-columns: 1.3fr .7fr; gap: 12px; }
.bento-card { padding: 22px; min-height: 180px; }
.bento-card.wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1.4fr .8fr; gap: 18px; align-items: center; }
.bento-side { display: grid; gap: 12px; }
.bento-card h3 { font-size: 22px; margin-bottom: 8px; }
.bento-card p, .compare-row span, .local-list li span, .case-card p, .news-body p, .topic-card p, .guard-item p, .faq-item p { color: var(--muted); }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 9px; background: var(--gold-soft); color: var(--gold); font-size: 12px; font-weight: 800; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.compare-col { padding: 8px 8px 18px; overflow: hidden; }
.compare-col header { padding: 16px 16px 10px; font-weight: 800; }
.compare-col.good header { color: var(--ok); }
.compare-col.bad header { color: var(--bad); }
.compare-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line); }
.local { grid-template-columns: .86fr 1.14fr; align-items: center; }
.local-photo { border-radius: 24px; overflow: hidden; min-height: 320px; border: 1px solid var(--line); }
.local-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.local-list li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.local-list i { color: var(--ok); margin-top: 4px; }
.rank-list { display: grid; gap: 12px; }
.rank-item { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; }
.rank-item.top { border-color: #e4c48a; box-shadow: var(--shadow); }
.rank-line { font-weight: 800; font-size: 18px; }
.medal { color: var(--gold); }
.rank-meta { color: var(--muted); font-weight: 650; }
.bars { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; margin-top: 10px; }
.bar span { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.track { height: 7px; background: #efeae3; border-radius: 99px; overflow: hidden; margin-top: 4px; }
.track i { display: block; height: 100%; background: var(--gold); border-radius: 99px; }
.rank-note { margin-top: 8px; color: var(--ink); }
.timeline { display: grid; gap: 0; border-left: 2px solid #e4c48a; margin-left: 12px; }
.time-item { padding: 0 0 22px 22px; position: relative; }
.time-item::before {
  content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 0 4px #f8f1e4;
}
.time-item strong { display: block; }
.cases { display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 12px; }
.case-card { overflow: hidden; }
.case-card img { width: 100%; height: 180px; object-fit: cover; }
.case-card div { padding: 16px; }
.case-card.quote-only { background: #241c16; color: #f8f1e6; padding: 22px; display: flex; flex-direction: column; justify-content: space-between; }
.case-card.quote-only p { color: #f4e8d8; font-size: 20px; line-height: 1.45; }
.news-list { display: grid; gap: 14px; }
.news-item { display: grid; grid-template-columns: 240px 1fr; gap: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.news-item img { width: 100%; height: 100%; object-fit: cover; min-height: 170px; }
.news-body { padding: 16px 16px 16px 0; }
.news-body h3 { font-size: 22px; margin: 6px 0; }
.topic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.topic-card { display: block; padding: 18px; min-height: 168px; transition: transform .18s ease, box-shadow .18s ease; }
.topic-card:hover, .topic-card:focus-visible { transform: translateY(-3px); box-shadow: var(--shadow); }
.topic-card h3 { font-size: 18px; margin: 10px 0 6px; }
.guard { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.guard-item { padding: 18px; }
.guard-item i { color: var(--gold); font-size: 20px; }
.guard-item h3 { margin: 10px 0 6px; font-size: 18px; }
.accordion { display: grid; gap: 10px; }
.acc-item { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 6px 16px; }
.acc-item summary { cursor: pointer; font-weight: 750; min-height: 48px; display: flex; align-items: center; }
.acc-item p { color: var(--muted); padding-bottom: 12px; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.faq-item { padding: 18px; }
.faq-item h3 { font-size: 18px; margin-bottom: 8px; }
.final-answer { border-left: 5px solid var(--gold); background: #fffaf2; border-radius: 0 20px 20px 0; padding: 22px; }
.contact {
  background:
    linear-gradient(100deg, rgba(22,17,13,.92), rgba(22,17,13,.78)),
    url("/assets/images/3b86584f06bde44a.webp") center/cover no-repeat;
  color: #f8f1e6;
}
.contact .lead, .contact .kicker { color: #f0d7ae; }
.contact h2 { color: #fff; }
.contact-grid { grid-template-columns: .85fr 1.15fr; align-items: start; }
.form-card { padding: 18px; color: var(--ink); }
.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field span { font-weight: 700; font-size: 14px; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); background: #fff; color: var(--ink);
  border-radius: 12px; padding: 12px 12px; font-size: 15px;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(154,107,47,.15); outline: none; }
.form-note { color: var(--muted); font-size: 13.5px; margin: 8px 0 12px; }
.site-footer { background: #17130f; color: #f4eadf; padding: 42px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: start; }
.foot-name { font-size: 22px; font-weight: 800; }
.foot-grid p { color: #d9cbb8; max-width: 52ch; margin-top: 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.foot-links a { color: #f3d7a1; font-weight: 700; }
.foot-links a:hover { color: #fff; }
.copy-line { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.1); color: #cbbba6; font-size: 14px; }
@media (max-width: 1180px) {
  .nav-toggle { display: inline-flex; }
  #menu {
    display: none; position: absolute; left: 0; right: 0; top: var(--header);
    background: #2b2118; padding: 12px 18px 18px; flex-direction: column; align-items: stretch;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  #menu.open { display: flex; }
  .nav-list { flex-direction: column; align-items: stretch; }
  .nav-cta { margin: 8px 0 0; text-align: center; }
}
@media (max-width: 1024px) {
  .hero-grid, .signal-grid, .dash, .bento, .compare, .local, .cases, .contact-grid, .faq-grid { grid-template-columns: 1fr; }
  .bento-card.wide, .topic-grid, .guard { grid-template-columns: 1fr 1fr; }
  .news-item { grid-template-columns: 200px 1fr; }
  h1 { max-width: none; }
}
@media (max-width: 768px) {
  .pad { padding: 54px 0; }
  .logo-sub { display: none; }
  .matrix, .bars, .topic-grid, .guard, .signal-chips, .stat-grid { grid-template-columns: 1fr; }
  .news-item, .cover-row, .bento-card.wide, .foot-grid { grid-template-columns: 1fr; display: grid; }
  .news-body { padding: 0 16px 16px; }
  .console-foot { flex-direction: column; align-items: stretch; }
  .hero { padding: 48px 0 40px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  body { font-size: 15.5px; }
  .dash-main em { font-size: 52px; }
  .btn { width: 100%; }
  .nav-wrap { min-height: 68px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .topic-card { transition: none; }
}

/* roulang page: category2 */
:root {
 --bg: #f4f3f1;
 --bg-alt: #fffcf8;
 --sand: #f7f1e8;
 --ink: #1c1917;
 --muted: #5e584f;
 --line: #e4ddd2;
 --card: #ffffff;
 --gold: #9a6b2f;
 --gold-soft: #f8f1e4;
 --cream: #f3d7a1;
 --nav-1: #2b2118;
 --nav-2: #6b4e2e;
 --ok: #2f6b4f;
 --bad: #8a3d32;
 --console: #1c1712;
 --radius: 18px;
 --radius-sm: 12px;
 --shadow: 0 16px 40px rgba(48, 36, 20, .08);
 --shadow-soft: 0 8px 24px rgba(48, 36, 20, .05);
 --header: 78px;
 --max: 1140px;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.7;
 font-size: 16.5px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(32px, 4vw, 48px); line-height: 1.15; letter-spacing: -.03em; margin-bottom: 12px; }
h2 { font-size: clamp(26px, 3vw, 34px); line-height: 1.2; letter-spacing: -.03em; margin-bottom: 8px; }
h3 { margin: 0 0 6px; line-height: 1.3; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: linear-gradient(90deg, var(--nav-1) 0%, #4e3b28 58%, var(--nav-2) 100%);
 color: #f8f1e4;
 box-shadow: 0 10px 28px rgba(28, 20, 12, .22);
}
.nav-wrap { min-height: var(--header); display: flex; align-items: center; gap: 18px; position: relative; }
.logo { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px;
 display: grid; place-items: center;
 background: var(--cream); color: var(--nav-1);
 font-weight: 800;
}
.logo-title { display: block; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.logo-sub { display: block; color: #f0d7ae; font-size: 12px; line-height: 1.3; }
.nav-toggle {
 display: none;
 margin-left: auto;
 background: rgba(255,255,255,.1);
 color: #fff;
 border: 1px solid rgba(255,255,255,.18);
 border-radius: 999px;
 padding: 8px 12px;
 cursor: pointer;
 align-items: center;
 gap: 8px;
}
.nav-toggle:hover, .nav-toggle:focus-visible { background: rgba(255,255,255,.18); }
#menu { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-list a {
 display: inline-flex;
 align-items: center;
 min-height: 38px;
 padding: 0 10px;
 border-radius: 999px;
 color: #f6ecdf;
 font-size: 13.5px;
 font-weight: 600;
}
.nav-list a:hover, .nav-list a:focus-visible { background: rgba(255,255,255,.12); }
.nav-list a.active { background: rgba(255,255,255,.14); box-shadow: inset 0 -2px 0 var(--cream); }
.nav-cta {
 margin-left: 8px;
 background: var(--cream);
 color: var(--nav-1);
 font-weight: 800;
 border-radius: 999px;
 padding: 10px 14px;
 white-space: nowrap;
}
.nav-cta:hover, .nav-cta:focus-visible { background: #fff4df; transform: translateY(-1px); }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 min-height: 46px; padding: 0 16px; border-radius: 999px;
 border: 1px solid transparent; font-weight: 700; cursor: pointer;
 transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--gold);
 outline-offset: 2px;
}
.btn-gold { background: var(--cream); color: var(--nav-1); }
.btn-gold:hover { background: #fff6e6; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #322920; }
.btn-line { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-line:hover { border-color: var(--gold); background: var(--gold-soft); }
.lead { max-width: 74ch; color: var(--muted); }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 9px; background: var(--gold-soft); color: var(--gold); font-size: 12px; font-weight: 800; }
.page-banner {
 position: relative;
 background:
 linear-gradient(180deg, rgba(255,252,248,.94), rgba(247,241,232,.92)),
 url("/assets/images/eeb6f1e4508074d9.webp") center/cover no-repeat;
 border-bottom: 1px solid var(--line);
 padding: 34px 0 28px;
}
.crumbs { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.crumbs a { color: var(--gold); font-weight: 700; }
.banner-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: stretch; }
.brand-kicker { color: var(--gold); font-weight: 800; font-size: 14px; margin-bottom: 8px; }
.answer-box {
 background: var(--card);
 border: 1px solid var(--line);
 border-left: 5px solid var(--gold);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 20px 20px 16px;
}
.answer-box strong { display: block; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.answer-box p { margin-bottom: 0; }
.mini-shot { margin-top: 14px; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); }
.mini-shot img { width: 100%; height: 148px; object-fit: cover; }
.signal-bar { background: var(--bg-alt); border-bottom: 1px solid var(--line); padding: 16px 0; }
.signal-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.signal-item { display: flex; gap: 10px; align-items: flex-start; }
.signal-item i { color: var(--gold); margin-top: 3px; }
.signal-item b { display: block; font-size: 14px; }
.signal-item span { color: var(--muted); font-size: 13px; }
.band { padding: 64px 0; }
.band-sand { background: var(--sand); }
.band-white { background: var(--bg-alt); }
.band-ink { background: var(--console); color: #f8f1e6; }
.section-head { margin-bottom: 22px; max-width: 760px; }
.section-head p { color: var(--muted); margin-bottom: 0; }
.band-ink .section-head p { color: #e6d8c6; }
.step-rail { display: grid; gap: 0; }
.step {
 display: grid;
 grid-template-columns: 72px 1fr;
 gap: 16px;
 padding: 18px 0;
 border-top: 1px solid var(--line);
}
.step:first-child { border-top: 0; }
.step-no {
 width: 56px; height: 56px; border-radius: 16px;
 display: grid; place-items: center;
 background: var(--ink); color: var(--cream);
 font-family: "IBM Plex Mono", monospace;
 font-weight: 500;
}
.step h3 { font-size: 20px; }
.step p { margin: 0; color: var(--muted); }
.fact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: center; }
.fact-photo { border-radius: 22px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.fact-photo img { width: 100%; height: 420px; object-fit: cover; }
.fact-list { display: grid; gap: 10px; }
.fact-row {
 display: grid;
 grid-template-columns: 180px 1fr;
 gap: 12px;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius-sm);
 padding: 14px 16px;
}
.fact-row b { font-size: 14px; }
.fact-row span { color: var(--muted); }
.rank-list { display: grid; gap: 12px; }
.rank-row {
 display: grid;
 grid-template-columns: 92px 1.3fr .9fr;
 gap: 16px;
 align-items: center;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 16px 18px;
 box-shadow: var(--shadow-soft);
}
.rank-row.top { background: linear-gradient(180deg, #fff, var(--gold-soft)); }
.medal { font-size: 28px; line-height: 1; }
.rank-name { font-weight: 800; }
.rank-meta { color: var(--muted); font-size: 14px; margin-top: 4px; }
.score { font-family: "IBM Plex Mono", monospace; font-weight: 500; }
.param-line { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.param {
 background: var(--bg);
 border: 1px solid var(--line);
 border-radius: 999px;
 padding: 4px 8px;
 font-size: 12px;
 color: var(--muted);
}
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.split img { width: 100%; height: 360px; object-fit: cover; border-radius: 22px; border: 1px solid var(--line); }
.check-list { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; }
.check-list li {
 display: grid;
 grid-template-columns: 28px 1fr;
 gap: 10px;
 align-items: start;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: 14px;
 padding: 12px 14px;
}
.check-list i { color: var(--ok); margin-top: 4px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-col { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); }
.compare-col header { padding: 16px 18px 8px; font-weight: 800; }
.compare-col.good header { color: var(--ok); }
.compare-col.bad header { color: var(--bad); }
.compare-col ul { list-style: none; margin: 0; padding: 8px 18px 18px; }
.compare-col li { padding: 10px 0; border-top: 1px solid var(--line); color: var(--muted); }
.faq-list { display: grid; gap: 10px; }
.faq-item {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 0 18px;
 box-shadow: var(--shadow-soft);
}
.faq-item summary { cursor: pointer; font-weight: 750; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:after { content: "+"; color: var(--gold); font-weight: 800; }
.faq-item[open] summary:after { content: "–"; }
.faq-item p { margin: 0 0 16px; color: var(--muted); }
.summary-box { display: grid; grid-template-columns: 1.4fr .6fr; gap: 24px; align-items: center; }
.summary-box p { color: #e7d9c8; margin-bottom: 0; }
.otp-sample {
 font-family: "IBM Plex Mono", monospace;
 background: #2a231c;
 border: 1px dashed #8b7353;
 border-radius: 16px;
 padding: 18px;
 text-align: center;
}
.otp-sample b { display: block; color: var(--cream); font-size: 28px; letter-spacing: .28em; }
.otp-sample span { color: #cbb89a; font-size: 13px; }
.contact-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 22px; }
.note-card, .form-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 padding: 22px;
}
.note-card ul { margin: 0; padding-left: 18px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field span { font-weight: 700; font-size: 14px; }
.field input, .field select, .field textarea {
 border: 1px solid var(--line);
 background: #fff;
 border-radius: 12px;
 padding: 12px 12px;
 color: var(--ink);
 font-size: 15px;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #d3c3aa; }
.form-actions { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: 8px; }
.form-actions small { color: var(--muted); }
.site-footer { background: #241c16; color: #f3e7d6; padding: 36px 0 22px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; }
.foot-name { font-weight: 800; font-size: 18px; margin-bottom: 8px; }
.site-footer p { color: #ddcbb4; margin: 0; max-width: 62ch; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; align-content: flex-start; }
.foot-links a { color: var(--cream); font-weight: 650; }
.foot-links a:hover { color: #fff; }
.copy-line { margin-top: 22px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.12); color: #cbb89a; font-size: 14px; }
@media (max-width: 1024px) {
 .nav-toggle { display: inline-flex; }
 #menu {
  display: none;
  position: absolute;
  left: 0; right: 0; top: 100%;
  background: linear-gradient(180deg, #3a2c20, #2b2118);
  padding: 12px 16px 16px;
  flex-direction: column;
  align-items: stretch;
  box-shadow: 0 16px 30px rgba(0,0,0,.2);
 }
 #menu.open { display: flex; }
 .nav-list { flex-direction: column; align-items: stretch; }
 .nav-list a { width: 100%; }
 .nav-cta { margin: 8px 0 0; text-align: center; }
 .banner-grid, .fact-layout, .split, .compare, .summary-box, .contact-grid, .signal-row { grid-template-columns: 1fr; }
 .rank-row { grid-template-columns: 64px 1fr; }
 .param-line { justify-content: flex-start; grid-column: 2; }
 .fact-photo img, .split img { height: 260px; }
 .foot-grid { flex-direction: column; }
}
@media (max-width: 768px) {
 .band { padding: 48px 0; }
 .fact-row { grid-template-columns: 1fr; gap: 4px; }
 .form-grid, .form-actions { grid-template-columns: 1fr; display: grid; }
 .logo-sub { max-width: 180px; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 h1 { font-size: 30px; }
 .logo-mark { width: 36px; height: 36px; }
 .step { grid-template-columns: 52px 1fr; }
 .rank-row { grid-template-columns: 1fr; }
 .param-line { grid-column: auto; }
 .signal-item { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 10px; }
}

/* roulang page: category1 */
:root {
 --bg: #f4f3f1;
 --bg-alt: #fffcf8;
 --sand: #f7f1e8;
 --ink: #1c1917;
 --muted: #5e584f;
 --line: #e4ddd2;
 --card: #ffffff;
 --gold: #9a6b2f;
 --gold-soft: #f8f1e4;
 --cream: #f3d7a1;
 --nav-1: #2b2118;
 --nav-2: #6b4e2e;
 --ok: #2f6b4f;
 --bad: #8a3d32;
 --console: #1c1712;
 --radius: 18px;
 --radius-sm: 12px;
 --shadow: 0 16px 40px rgba(48, 36, 20, .08);
 --shadow-soft: 0 8px 24px rgba(48, 36, 20, .05);
 --header: 78px;
 --max: 1140px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.7;
 font-size: 16.5px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.mono { font-family: "IBM Plex Mono", monospace; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: linear-gradient(90deg, var(--nav-1) 0%, #4e3b28 58%, var(--nav-2) 100%);
 color: #f8f1e4;
 box-shadow: 0 10px 28px rgba(28, 20, 12, .22);
}
.nav-wrap { min-height: var(--header); display: flex; align-items: center; gap: 18px; }
.logo { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px;
 display: grid; place-items: center;
 background: var(--cream); color: var(--nav-1);
 font-weight: 800;
}
.logo-title { display: block; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.logo-sub { display: block; color: #f0d7ae; font-size: 12px; line-height: 1.3; }
.nav-toggle {
 display: none;
 margin-left: auto;
 background: rgba(255,255,255,.1);
 color: #fff;
 border: 1px solid rgba(255,255,255,.18);
 border-radius: 999px;
 padding: 8px 12px;
 cursor: pointer;
}
.nav-toggle:hover, .nav-toggle:focus-visible { background: rgba(255,255,255,.18); }
#menu { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list a {
 display: inline-flex;
 align-items: center;
 min-height: 38px;
 padding: 0 10px;
 border-radius: 999px;
 color: #f6ecdf;
 font-size: 13.5px;
 font-weight: 600;
}
.nav-list a:hover, .nav-list a:focus-visible { background: rgba(255,255,255,.12); }
.nav-list a.active { background: rgba(255,255,255,.14); box-shadow: inset 0 -2px 0 var(--cream); }
.nav-cta {
 margin-left: 8px;
 background: var(--cream);
 color: var(--nav-1);
 font-weight: 800;
 border-radius: 999px;
 padding: 10px 14px;
 white-space: nowrap;
}
.nav-cta:hover, .nav-cta:focus-visible { background: #fff4df; transform: translateY(-1px); }
.answer-band {
 position: relative;
 color: #f8f3ea;
 background:
  linear-gradient(105deg, rgba(22,16,12,.92) 0%, rgba(22,16,12,.8) 46%, rgba(22,16,12,.58) 100%),
  url("/assets/images/3b86584f06bde44a.webp") center/cover no-repeat;
 padding: 68px 0 60px;
}
.answer-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; color: #f0d7ae; font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.crumb a:hover { color: #fff; }
.answer-band h1 { font-size: clamp(32px, 4.4vw, 52px); line-height: 1.12; letter-spacing: -.035em; max-width: 16ch; }
.answer-box {
 margin-top: 18px;
 background: #fffaf3;
 color: var(--ink);
 border: 1px solid #f3d7a1;
 border-radius: 16px;
 padding: 16px 18px;
 box-shadow: var(--shadow);
}
.answer-box p { margin-top: 8px; }
.band-note { margin-top: 16px; max-width: 62ch; color: #f3eadf; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 min-height: 46px; padding: 0 16px; border-radius: 999px;
 border: 1px solid transparent; font-weight: 700; cursor: pointer;
 transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-gold { background: var(--cream); color: var(--nav-1); }
.btn-gold:hover { background: #fff6e6; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #322920; }
.shot-card {
 background: rgba(255,255,255,.08);
 border: 1px solid rgba(243,215,161,.35);
 border-radius: 24px;
 padding: 12px;
 box-shadow: 0 20px 50px rgba(0,0,0,.22);
}
.shot-card img { width: 100%; height: 320px; object-fit: cover; border-radius: 16px; }
.shot-card figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 12px 6px 4px; color: #f6ecdf; font-size: 13.5px; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 9px; background: var(--gold-soft); color: var(--gold); font-size: 12px; font-weight: 800; }
.section { padding: 72px 0; }
.section-sand { background: var(--sand); }
.section-alt { background: var(--bg-alt); }
.section-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 26px; }
.section-head h2 { font-size: clamp(28px, 3vw, 38px); letter-spacing: -.03em; }
.kicker { color: var(--gold); font-weight: 800; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 6px; }
.lead { max-width: 68ch; color: var(--muted); }
.meter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.meter {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 padding: 18px 18px 16px;
}
.meter b { display: block; font-size: 34px; letter-spacing: -.04em; line-height: 1; color: var(--nav-1); }
.meter span { display: block; margin-top: 8px; color: var(--muted); font-size: 14.5px; }
.meter i { color: var(--gold); margin-bottom: 10px; }
.ledger { display: grid; gap: 10px; }
.ledger-row {
 display: grid;
 grid-template-columns: 88px 1fr 1.35fr auto;
 gap: 16px;
 align-items: center;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: 16px;
 padding: 16px 18px;
 box-shadow: var(--shadow-soft);
 transition: transform .18s ease, box-shadow .18s ease;
}
.ledger-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.idx {
 font-family: "IBM Plex Mono", monospace;
 font-weight: 500;
 color: var(--gold);
 background: var(--gold-soft);
 border-radius: 12px;
 min-height: 42px;
 display: grid;
 place-items: center;
}
.ledger-row h3 { font-size: 18px; }
.ledger-row p { color: var(--muted); font-size: 14.5px; }
.pill {
 display: inline-flex;
 align-items: center;
 min-height: 30px;
 padding: 0 10px;
 border-radius: 999px;
 font-size: 12px;
 font-weight: 800;
 background: var(--gold-soft);
 color: var(--gold);
 white-space: nowrap;
}
.proof-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: center; }
.proof-photo { position: relative; }
.proof-photo img { width: 100%; height: 420px; object-fit: cover; border-radius: 24px; box-shadow: var(--shadow); }
.photo-chip {
 position: absolute;
 left: 16px;
 bottom: 16px;
 background: rgba(28,23,18,.88);
 color: #f8f1e4;
 border-radius: 14px;
 padding: 12px 14px;
 max-width: 260px;
}
.photo-chip strong { display: block; }
.doc-list { display: grid; gap: 12px; }
.doc-item {
 display: grid;
 grid-template-columns: 46px 1fr;
 gap: 12px;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 16px;
}
.doc-item i { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--gold-soft); color: var(--gold); }
.doc-item p { color: var(--muted); }
.pass-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-col {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 padding: 8px 8px 18px;
 overflow: hidden;
}
.compare-col header { padding: 16px 16px 10px; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.compare-col.good header { color: var(--ok); }
.compare-col.bad header { color: var(--bad); }
.compare-row {
 display: flex;
 justify-content: space-between;
 gap: 16px;
 padding: 12px 16px;
 border-top: 1px solid var(--line);
}
.compare-row span { color: var(--muted); }
.compare-row b { text-align: right; }
.rank-list { display: grid; gap: 12px; }
.rank-row {
 display: grid;
 grid-template-columns: 1.4fr .8fr;
 gap: 18px;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 18px;
 box-shadow: var(--shadow-soft);
}
.rank-row.top { border-color: #e4c48a; background: linear-gradient(180deg, #fffaf2 0%, #fff 48%); }
.rank-row strong { display: block; font-size: 17px; line-height: 1.45; }
.rank-row p { color: var(--muted); margin-top: 6px; }
.param-list { display: grid; gap: 8px; align-content: center; }
.param-list li { display: grid; grid-template-columns: 1fr auto; gap: 10px; font-size: 14px; }
.bar { height: 7px; border-radius: 99px; background: #efe7da; margin-top: 6px; overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), #d7a15a); border-radius: inherit; }
.track-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; counter-reset: buoc; }
.track-list li {
 position: relative;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 20px 18px 18px;
 box-shadow: var(--shadow-soft);
 min-height: 168px;
}
.track-list li::before {
 counter-increment: buoc;
 content: counter(buoc);
 font-family: "IBM Plex Mono", monospace;
 width: 36px; height: 36px; border-radius: 50%;
 display: grid; place-items: center;
 background: var(--nav-1); color: var(--cream);
 font-weight: 500; margin-bottom: 12px;
}
.track-list h3 { font-size: 18px; margin-bottom: 6px; }
.track-list p { color: var(--muted); }
.faq-list { display: grid; gap: 12px; }
.faq-item {
 display: grid;
 grid-template-columns: .85fr 1.15fr;
 gap: 18px;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 18px 20px;
 box-shadow: var(--shadow-soft);
}
.faq-item h3 { font-size: 18px; }
.faq-item p { color: var(--muted); }
.close-sec { background: var(--console); color: #f8f1e6; }
.close-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.close-sec h2 { font-size: clamp(28px, 3vw, 40px); letter-spacing: -.03em; }
.close-sec .lead { color: #e6d8c6; margin-top: 12px; }
.echo {
 margin-top: 18px;
 border-left: 4px solid var(--cream);
 padding: 8px 0 8px 14px;
 color: #fff;
 font-weight: 650;
}
.form-card {
 background: #fff;
 color: var(--ink);
 border: 1px solid var(--line);
 border-radius: 24px;
 box-shadow: var(--shadow);
 padding: 22px;
}
.form-card h3 { font-size: 22px; margin-bottom: 6px; }
.form-card > p { color: var(--muted); margin-bottom: 14px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field span { font-size: 13px; font-weight: 700; }
.field input, .field select, .field textarea {
 width: 100%;
 border: 1px solid var(--line);
 background: #fffcf8;
 border-radius: 12px;
 min-height: 46px;
 padding: 10px 12px;
 color: var(--ink);
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: #c6a36a; background: #fff; }
.form-card .btn { margin-top: 14px; }
.form-note {
 display: none;
 margin-top: 12px;
 background: #eef6f1;
 color: var(--ok);
 border-radius: 12px;
 padding: 10px 12px;
 font-weight: 650;
}
.form-note.show { display: block; }
.site-footer { background: #1c1712; color: #f3eadf; padding: 42px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 24px; }
.foot-name { font-weight: 800; font-size: 20px; margin-bottom: 8px; }
.site-footer p { color: #d9cbb8; }
.foot-links { display: grid; gap: 8px; align-content: start; }
.foot-links a { color: #f6ecdf; font-weight: 600; }
.foot-links a:hover, .foot-links a:focus-visible { color: var(--cream); }
.copy-line { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); font-size: 14px; color: #cbbba6; }
@media (max-width: 1024px) {
 .nav-toggle { display: inline-flex; align-items: center; gap: 8px; }
 #menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-left: 0;
  flex-direction: column;
  align-items: stretch;
  padding: 12px 16px 18px;
  background: linear-gradient(180deg, #2b2118 0%, #4a3828 100%);
  box-shadow: 0 18px 32px rgba(0,0,0,.24);
 }
 #menu.is-open { display: flex; }
 .nav-list { flex-direction: column; align-items: stretch; }
 .nav-list a { min-height: 44px; }
 .nav-cta { margin: 6px 0 0; text-align: center; }
 .answer-grid, .proof-grid, .close-grid, .faq-item, .rank-row { grid-template-columns: 1fr; }
 .meter-grid, .track-list { grid-template-columns: 1fr 1fr; }
 .section-head { flex-direction: column; align-items: start; }
 .shot-card img, .proof-photo img { height: 260px; }
}
@media (max-width: 768px) {
 .ledger-row { grid-template-columns: 64px 1fr; }
 .ledger-row p, .pill { grid-column: 2; }
 .pass-grid, .fields, .foot-grid, .meter-grid, .track-list { grid-template-columns: 1fr; }
 .answer-band { padding: 48px 0 42px; }
 .section { padding: 56px 0; }
 .logo { min-width: 0; }
 .logo-sub { max-width: 180px; }
}
@media (max-width: 520px) {
 .container { width: calc(100% - 28px); }
 .answer-band h1 { max-width: none; }
 .btn { width: 100%; }
 .shot-card figcaption, .compare-row { flex-direction: column; align-items: flex-start; }
 .compare-row b { text-align: left; }
 .rank-row strong { font-size: 15.5px; }
}

/* roulang page: category3 */
:root {
 --bg: #f4f3f1;
 --bg-alt: #fffcf8;
 --sand: #f7f1e8;
 --ink: #1c1917;
 --muted: #5e584f;
 --line: #e4ddd2;
 --card: #ffffff;
 --gold: #9a6b2f;
 --gold-soft: #f8f1e4;
 --cream: #f3d7a1;
 --nav-1: #2b2118;
 --nav-2: #6b4e2e;
 --ok: #2f6b4f;
 --bad: #8a3d32;
 --console: #1c1712;
 --radius: 18px;
 --radius-sm: 12px;
 --shadow: 0 16px 40px rgba(48, 36, 20, .08);
 --shadow-soft: 0 8px 24px rgba(48, 36, 20, .05);
 --header: 78px;
 --max: 1140px;
}
/* roulang page: category3 */
:root {
 --bg: #f4f3f1;
 --bg-alt: #fffcf8;
 --sand: #f7f1e8;
 --ink: #1c1917;
 --muted: #5e584f;
 --line: #e4ddd2;
 --card: #ffffff;
 --gold: #9a6b2f;
 --gold-soft: #f8f1e4;
 --cream: #f3d7a1;
 --nav-1: #2b2118;
 --nav-2: #6b4e2e;
 --ok: #2f6b4f;
 --bad: #8a3d32;
 --console: #1c1712;
 --radius: 18px;
 --radius-sm: 12px;
 --shadow: 0 16px 40px rgba(48, 36, 20, .08);
 --shadow-soft: 0 8px 24px rgba(48, 36, 20, .05);
 --header: 78px;
 --max: 1140px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.7;
 font-size: 16.5px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: linear-gradient(90deg, var(--nav-1) 0%, #4e3b28 58%, var(--nav-2) 100%);
 color: #f8f1e4;
 box-shadow: 0 10px 28px rgba(28, 20, 12, .22);
}
.nav-wrap { min-height: var(--header); display: flex; align-items: center; gap: 18px; }
.logo { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px;
 display: grid; place-items: center;
 background: var(--cream); color: var(--nav-1);
 font-weight: 800;
}
.logo-title { display: block; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.logo-sub { display: block; color: #f0d7ae; font-size: 12px; line-height: 1.3; }
.nav-toggle {
 display: none;
 margin-left: auto;
 background: rgba(255,255,255,.1);
 color: #fff;
 border: 1px solid rgba(255,255,255,.18);
 border-radius: 999px;
 padding: 8px 12px;
 cursor: pointer;
}
#menu { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-list a {
 display: inline-flex;
 align-items: center;
 min-height: 38px;
 padding: 0 10px;
 border-radius: 999px;
 color: #f6ecdf;
 font-size: 13.5px;
 font-weight: 600;
}
.nav-list a:hover, .nav-list a:focus-visible { background: rgba(255,255,255,.12); }
.nav-list a.active { background: rgba(255,255,255,.14); box-shadow: inset 0 -2px 0 var(--cream); }
.nav-cta {
 margin-left: 8px;
 background: var(--cream);
 color: var(--nav-1);
 font-weight: 800;
 border-radius: 999px;
 padding: 10px 14px;
 white-space: nowrap;
}
.nav-cta:hover, .nav-cta:focus-visible { background: #fff4df; transform: translateY(-1px); }
.page-hero {
 position: relative;
 color: #f8f3ea;
 background:
  linear-gradient(105deg, rgba(20,15,11,.92) 0%, rgba(20,15,11,.78) 48%, rgba(20,15,11,.5) 100%),
  url("/assets/images/3b86584f06bde44a.webp") center/cover no-repeat;
 padding: 64px 0 58px;
}
.crumb { display: flex; gap: 8px; color: #eadcc8; font-size: 13px; margin-bottom: 18px; }
.crumb a { color: var(--cream); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: stretch; }
.brand-name { color: var(--cream); font-weight: 700; letter-spacing: .01em; margin-bottom: 12px; }
h1 { font-size: clamp(32px, 4vw, 50px); line-height: 1.12; letter-spacing: -.035em; max-width: 16ch; }
.hero-lead { margin-top: 16px; max-width: 58ch; color: #f3eadf; font-size: 17px; }
.answer-box {
 margin-top: 22px;
 background: rgba(255,248,236,.12);
 border: 1px solid rgba(243,215,161,.45);
 border-left: 5px solid var(--cream);
 border-radius: 16px;
 padding: 16px 18px;
 max-width: 640px;
}
.answer-box strong { display: block; color: var(--cream); margin-bottom: 4px; }
.answer-box p { color: #f7f0e6; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 min-height: 46px; padding: 0 16px; border-radius: 999px;
 border: 1px solid transparent; font-weight: 700; cursor: pointer;
 transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-gold { background: var(--cream); color: var(--nav-1); }
.btn-gold:hover { background: #fff6e6; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #322920; }
.check-panel {
 background: rgba(255,252,248,.96);
 color: var(--ink);
 border-radius: 24px;
 padding: 22px;
 box-shadow: var(--shadow);
}
.check-panel h2 { font-size: 22px; margin-bottom: 6px; }
.check-panel > p { color: var(--muted); margin-bottom: 14px; }
.check-list { list-style: none; display: grid; gap: 10px; }
.check-list li {
 display: grid;
 grid-template-columns: 28px 1fr;
 gap: 10px;
 align-items: start;
 background: var(--gold-soft);
 border-radius: 12px;
 padding: 10px 12px;
}
.check-list i { color: var(--ok); margin-top: 3px; }
.check-list span { font-weight: 650; }
.sec { padding: 72px 0; }
.sec-alt { background: var(--bg-alt); }
.sec-sand { background: var(--sand); }
.sec-dark { background: var(--console); color: #f8f1e6; }
.section-head { margin-bottom: 26px; max-width: 720px; }
.section-head h2 { font-size: clamp(28px, 3vw, 38px); letter-spacing: -.03em; line-height: 1.2; margin-bottom: 8px; }
.lead { color: var(--muted); max-width: 68ch; }
.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: 8px;
}
.tag { display: inline-flex; border-radius: 999px; padding: 4px 9px; background: var(--gold-soft); color: var(--gold); font-size: 12px; font-weight: 800; }
.signal-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.signal-row span, .mono {
 font-family: "IBM Plex Mono", monospace;
 font-size: 13px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 999px;
 padding: 6px 10px;
 color: var(--muted);
}
.metric-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.metric-main {
 background: #231c16;
 color: #f8f1e6;
 border-radius: 24px;
 padding: 28px;
 min-height: 280px;
 display: flex;
 flex-direction: column;
 justify-content: space-between;
 box-shadow: var(--shadow);
}
.metric-main em { font-style: normal; color: var(--cream); font-weight: 800; font-size: 68px; letter-spacing: -.05em; line-height: .95; }
.metric-main p { color: #eadfD2; max-width: 42ch; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 padding: 18px;
}
.stat b { display: block; font-size: 32px; letter-spacing: -.04em; color: var(--nav-1); }
.stat span { color: var(--muted); font-size: 14px; }
.matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.matrix-item {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 padding: 18px;
 display: grid;
 grid-template-columns: 42px 1fr;
 gap: 12px;
}
.matrix-item i { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--gold-soft); color: var(--gold); }
.matrix-item h3 { font-size: 18px; margin-bottom: 4px; }
.matrix-item p { color: var(--muted); }
.matrix-visual {
 margin-top: 16px;
 display: grid;
 grid-template-columns: 220px 1fr;
 gap: 18px;
 align-items: center;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: 22px;
 overflow: hidden;
}
.matrix-visual img { width: 100%; height: 160px; object-fit: cover; }
.matrix-visual div { padding-right: 18px; }
.matrix-visual h3 { margin-bottom: 6px; }
.matrix-visual p { color: var(--muted); }
.rank-list { display: grid; gap: 12px; }
.rank-row {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: 16px;
 padding: 16px 18px;
 box-shadow: var(--shadow-soft);
}
.rank-row.top { border-color: #e7d3ae; background: linear-gradient(180deg, #fffaf2 0%, #fff 48%); }
.rank-line { font-weight: 800; letter-spacing: -.02em; }
.rank-row p { color: var(--muted); margin-top: 6px; }
.params { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; margin-top: 12px; }
.param { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; font-size: 13px; }
.param b { color: var(--gold); font-weight: 700; }
.bar { grid-column: 1 / -1; height: 6px; background: #efe6d8; border-radius: 99px; overflow: hidden; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), #c89245); border-radius: 99px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-col {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 overflow: hidden;
}
.compare-col header { padding: 16px 18px 8px; font-weight: 800; font-size: 18px; }
.compare-col.good header { color: var(--ok); }
.compare-col.bad header { color: var(--bad); }
.compare-row {
 display: flex; justify-content: space-between; gap: 16px;
 padding: 12px 18px;
 border-top: 1px solid var(--line);
}
.compare-row span { color: var(--muted); }
.steps { list-style: none; display: grid; gap: 0; position: relative; }
.steps li {
 display: grid;
 grid-template-columns: 74px 1fr;
 gap: 16px;
 padding: 0 0 18px;
}
.step-no {
 width: 74px; height: 74px; border-radius: 20px;
 display: grid; place-items: center;
 background: var(--nav-1); color: var(--cream);
 font-weight: 800; font-size: 20px;
 position: relative;
}
.steps li:not(:last-child) .step-no::after {
 content: "";
 position: absolute;
 top: 74px; left: 36px;
 width: 2px; height: calc(100% + 18px);
 background: #e4d3b8;
}
.step-body { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; box-shadow: var(--shadow-soft); }
.step-body h3 { font-size: 18px; margin-bottom: 4px; }
.step-body p { color: var(--muted); }
.tip-list { display: grid; gap: 12px; }
.tip-item {
 display: grid;
 grid-template-columns: 148px 1fr auto;
 gap: 16px;
 align-items: center;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: 16px;
 padding: 12px;
 box-shadow: var(--shadow-soft);
}
.tip-item img { width: 148px; height: 96px; object-fit: cover; border-radius: 12px; }
.tip-item h3 { font-size: 18px; margin-bottom: 4px; }
.tip-item p { color: var(--muted); }
.tip-item small { color: var(--gold); font-weight: 800; }
.guard-grid { display: grid; grid-template-columns: 1.2fr repeat(3, 1fr); gap: 12px; }
.guard-item {
 background: rgba(255,255,255,.04);
 border: 1px solid rgba(243,215,161,.25);
 border-radius: 16px;
 padding: 18px;
}
.guard-item.lead-card { background: rgba(243,215,161,.12); }
.guard-item i { color: var(--cream); margin-bottom: 8px; }
.guard-item h3 { font-size: 18px; margin-bottom: 6px; }
.guard-item p { color: #e7dccb; }
.faq-list { display: grid; gap: 10px; }
.faq-item {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 padding: 0 18px;
}
.faq-item summary {
 cursor: pointer;
 font-weight: 750;
 padding: 16px 0;
 list-style: none;
 display: flex;
 justify-content: space-between;
 gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--gold); font-weight: 800; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); padding-bottom: 16px; }
.close-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 18px; align-items: start; }
.sum-box, .form-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 padding: 22px;
}
.sum-box { background: #241c16; color: #f8f1e6; border: 0; }
.sum-box p { color: #eadfD2; margin-top: 10px; }
.sum-box li { margin: 8px 0 0 18px; color: #f3e6d4; }
.form-card h2 { font-size: 28px; margin-bottom: 6px; }
.form-card > p { color: var(--muted); margin-bottom: 14px; }
.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field label { font-weight: 700; font-size: 14px; }
.field input, .field textarea {
 width: 100%;
 border: 1px solid var(--line);
 background: #fff;
 border-radius: 12px;
 padding: 12px 12px;
 color: var(--ink);
 font-size: 15px;
}
.field input:focus, .field textarea:focus, .btn:focus-visible, a:focus-visible, summary:focus-visible, .nav-toggle:focus-visible {
 outline: 2px solid var(--gold);
 outline-offset: 2px;
}
.form-note { color: var(--bad); font-size: 14px; margin-bottom: 12px; }
.site-footer { background: #1a150f; color: #f3eadf; padding: 36px 0 22px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: start; }
.foot-name { font-weight: 800; font-size: 20px; margin-bottom: 8px; }
.site-footer p { color: #d9cbb8; max-width: 52ch; }
.foot-links { display: grid; gap: 6px; }
.foot-links a { color: #f3d7a1; }
.foot-links a:hover { color: #fff; }
.copy-line { margin-top: 22px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.08); color: #cbbba6; font-size: 14px; }
@media (max-width: 1024px) {
 .nav-toggle { display: inline-flex; align-items: center; gap: 8px; }
 .nav-wrap { flex-wrap: wrap; padding: 10px 0; }
 #menu { display: none; width: 100%; flex-direction: column; align-items: stretch; margin-left: 0; padding-bottom: 14px; }
 #menu.open { display: flex; }
 .nav-list { flex-direction: column; align-items: stretch; width: 100%; }
 .nav-list a { width: 100%; }
 .nav-cta { margin: 8px 0 0; text-align: center; }
 .hero-grid, .metric-grid, .matrix, .compare-grid, .close-grid, .guard-grid, .matrix-visual { grid-template-columns: 1fr; }
 .matrix-visual div { padding: 0 16px 16px; }
 .tip-item { grid-template-columns: 120px 1fr; }
 .tip-item small { display: none; }
 .guard-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
 .sec { padding: 56px 0; }
 h1 { max-width: none; }
 .params, .stat-grid { grid-template-columns: 1fr; }
 .foot-grid { flex-direction: column; }
 .metric-main em { font-size: 56px; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 .tip-item, .steps li { grid-template-columns: 1fr; }
 .tip-item img { width: 100%; height: 160px; }
 .step-no { width: 54px; height: 54px; }
 .steps li:not(:last-child) .step-no::after { display: none; }
 .guard-grid { grid-template-columns: 1fr; }
 .logo { min-width: 0; }
 .logo-sub { max-width: 180px; }
 .check-panel, .form-card, .sum-box { padding: 16px; }
}

/* roulang page: category4 */
:root {
 --bg: #f4f3f1;
 --bg-alt: #fffcf8;
 --sand: #f7f1e8;
 --ink: #1c1917;
 --muted: #5e584f;
 --line: #e4ddd2;
 --card: #ffffff;
 --gold: #9a6b2f;
 --gold-soft: #f8f1e4;
 --cream: #f3d7a1;
 --nav-1: #2b2118;
 --nav-2: #6b4e2e;
 --ok: #2f6b4f;
 --bad: #8a3d32;
 --console: #1c1712;
 --radius: 18px;
 --radius-sm: 12px;
 --shadow: 0 16px 40px rgba(48, 36, 20, .08);
 --shadow-soft: 0 8px 24px rgba(48, 36, 20, .05);
 --header: 78px;
 --max: 1140px;
}
/* roulang page: np-tin-sau-ng-k */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.7;
 font-size: 16.5px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(32px, 4vw, 52px); line-height: 1.12; letter-spacing: -.03em; margin-bottom: 12px; }
h2 { font-size: clamp(26px, 3vw, 36px); line-height: 1.2; letter-spacing: -.02em; margin-bottom: 10px; }
h3 { font-size: 18px; line-height: 1.35; margin-bottom: 6px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: linear-gradient(90deg, var(--nav-1) 0%, #4e3b28 58%, var(--nav-2) 100%);
 color: #f8f1e4;
 box-shadow: 0 10px 28px rgba(28, 20, 12, .22);
}
.nav-wrap { min-height: var(--header); display: flex; align-items: center; gap: 18px; position: relative; }
.logo { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px;
 display: grid; place-items: center;
 background: var(--cream); color: var(--nav-1);
 font-weight: 800;
}
.logo-title { display: block; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.logo-sub { display: block; color: #f0d7ae; font-size: 12px; line-height: 1.3; }
.nav-toggle {
 display: none;
 margin-left: auto;
 background: rgba(255,255,255,.1);
 color: #fff;
 border: 1px solid rgba(255,255,255,.18);
 border-radius: 999px;
 padding: 8px 12px;
 cursor: pointer;
 gap: 8px;
 align-items: center;
}
.nav-toggle:hover, .nav-toggle:focus-visible { background: rgba(255,255,255,.18); }
#menu { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-list a {
 display: inline-flex;
 align-items: center;
 min-height: 38px;
 padding: 0 10px;
 border-radius: 999px;
 color: #f6ecdf;
 font-size: 13.5px;
 font-weight: 600;
}
.nav-list a:hover, .nav-list a:focus-visible { background: rgba(255,255,255,.12); }
.nav-list a.active { background: rgba(255,255,255,.14); box-shadow: inset 0 -2px 0 var(--cream); }
.nav-cta {
 margin-left: 8px;
 background: var(--cream);
 color: var(--nav-1);
 font-weight: 800;
 border-radius: 999px;
 padding: 10px 14px;
 white-space: nowrap;
}
.nav-cta:hover, .nav-cta:focus-visible { background: #fff4df; transform: translateY(-1px); }
.brand-name { color: var(--cream); font-weight: 700; letter-spacing: .01em; margin-bottom: 14px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 min-height: 46px; padding: 0 16px; border-radius: 999px;
 border: 1px solid transparent; font-weight: 700; cursor: pointer;
 transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--cream); outline-offset: 3px; }
.btn-gold { background: var(--cream); color: var(--nav-1); }
.btn-gold:hover { background: #fff6e6; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #322920; }
.lead { max-width: 74ch; color: var(--muted); }
.kicker { color: var(--gold); font-weight: 800; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 8px; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 9px; background: var(--gold-soft); color: var(--gold); font-size: 12px; font-weight: 800; }
.section { padding: 72px 0; }
.section-sand { background: var(--sand); }
.section-white { background: var(--bg-alt); }
.page-lead {
 position: relative;
 color: #f8f3ea;
 background:
  linear-gradient(105deg, rgba(20,15,11,.92) 0%, rgba(20,15,11,.8) 46%, rgba(20,15,11,.58) 100%),
  url("/assets/images/eeb6f1e4508074d9.webp") center/cover no-repeat;
 padding: 64px 0 58px;
}
.lead-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: stretch; }
.answer-box {
 margin-top: 18px;
 background: rgba(255,248,236,.08);
 border: 1px solid rgba(243,215,161,.45);
 border-radius: var(--radius);
 padding: 16px 18px;
}
.answer-box p { margin: 8px 0 0; color: #f6ecdf; }
.signal-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.signal-row span {
 border: 1px solid rgba(243,215,161,.35);
 border-radius: 999px;
 padding: 4px 10px;
 color: #f3d7a1;
 font-size: 13px;
 font-weight: 600;
}
.board {
 background: var(--console);
 color: #f8f1e6;
 border-radius: 24px;
 padding: 18px;
 border: 1px solid rgba(243,215,161,.28);
 box-shadow: var(--shadow);
 display: flex;
 flex-direction: column;
 gap: 10px;
}
.board-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; padding: 4px 6px 8px; }
.board-head strong { font-size: 16px; }
.board-head em { font-style: normal; color: var(--cream); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.rank-line {
 display: grid;
 grid-template-columns: auto 1fr auto;
 gap: 10px;
 align-items: center;
 background: rgba(255,255,255,.04);
 border-radius: 14px;
 padding: 10px 12px;
}
.rank-line b { font-size: 14px; font-weight: 700; }
.rank-line small { display: block; color: #d9cbb8; font-size: 12px; }
.score { font-family: "IBM Plex Mono", monospace; color: var(--cream); font-weight: 500; }
.meter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.meter {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 padding: 18px;
 min-height: 150px;
}
.meter em {
 font-style: normal;
 display: block;
 font-family: "IBM Plex Mono", monospace;
 color: var(--gold);
 font-size: 28px;
 font-weight: 500;
 letter-spacing: -.04em;
 line-height: 1.1;
 margin-bottom: 8px;
}
.meter p { color: var(--muted); margin: 0; }
.channel-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 28px; align-items: start; }
.channel-copy { position: sticky; top: 96px; }
.shot {
 margin-top: 18px;
 border-radius: 20px;
 overflow: hidden;
 border: 1px solid var(--line);
 box-shadow: var(--shadow-soft);
}
.shot img { width: 100%; height: 210px; object-fit: cover; }
.shot figcaption { padding: 10px 12px 12px; color: var(--muted); font-size: 13px; background: #fff; }
.stack { display: grid; gap: 12px; }
.method {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 padding: 16px 18px;
 display: grid;
 grid-template-columns: 52px 1fr auto;
 gap: 14px;
 align-items: center;
 transition: transform .18s ease, box-shadow .18s ease;
}
.method:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.method i {
 width: 52px; height: 52px; border-radius: 14px;
 display: grid; place-items: center;
 background: var(--gold-soft); color: var(--gold); font-size: 20px;
}
.method p { margin: 0; color: var(--muted); }
.pill { border-radius: 999px; padding: 6px 10px; font-size: 12px; font-weight: 800; white-space: nowrap; }
.pill-ok { background: #e7f3ec; color: var(--ok); }
.pill-wait { background: var(--gold-soft); color: var(--gold); }
.pill-bad { background: #f8e8e5; color: var(--bad); }
.step-rail { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.step-rail li {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 18px 16px 16px;
 box-shadow: var(--shadow-soft);
 min-height: 220px;
}
.step-rail span {
 font-family: "IBM Plex Mono", monospace;
 color: var(--gold);
 font-weight: 500;
 display: block;
 margin-bottom: 12px;
}
.step-rail p { color: var(--muted); margin: 0; }
.match-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: center; }
.match-photo { border-radius: 24px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: #fff; }
.match-photo img { width: 100%; height: 420px; object-fit: cover; }
.match-photo figcaption { padding: 12px 14px 14px; color: var(--muted); font-size: 14px; }
.check-list { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; }
.check-list li {
 display: grid;
 grid-template-columns: 28px 1fr;
 gap: 10px;
 align-items: start;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: 14px;
 padding: 12px 14px;
}
.check-list i { color: var(--ok); margin-top: 3px; }
.rank-table { display: grid; gap: 12px; }
.rank-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 padding: 16px 18px;
}
.rank-card.top { border-color: #e4c48a; background: linear-gradient(180deg, #fffaf2 0%, #fff 42%); }
.rank-title { display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; }
.rank-title strong { font-size: 18px; }
.stars { color: var(--gold); letter-spacing: .04em; font-weight: 700; }
.bars { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; margin-top: 12px; }
.bar-label { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.bar { height: 7px; background: #efe7db; border-radius: 999px; overflow: hidden; margin-top: 4px; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), #c89245); border-radius: inherit; }
.note { margin: 8px 0 0; color: var(--muted); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.faq-item {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 padding: 6px 16px;
}
.faq-item summary {
 cursor: pointer;
 font-weight: 700;
 list-style: none;
 min-height: 54px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:after { content: "+"; color: var(--gold); font-size: 22px; font-weight: 500; }
.faq-item[open] summary:after { content: "–"; }
.faq-item p { color: var(--muted); margin: 0 0 14px; }
.close-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: start; }
.recap {
 background: #231c16;
 color: #f8f1e6;
 border-radius: 24px;
 padding: 28px;
 min-height: 100%;
}
.recap .tag { background: rgba(243,215,161,.16); color: var(--cream); }
.recap p { color: #f3eadf; }
.recap ul { margin: 0; padding-left: 18px; }
.recap li { margin: 6px 0; }
.form-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field span { font-weight: 700; font-size: 14px; }
.field input, .field select, .field textarea {
 width: 100%;
 border: 1px solid var(--line);
 background: #fff;
 border-radius: 12px;
 min-height: 46px;
 padding: 10px 12px;
 color: var(--ink);
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
 outline: 2px solid rgba(154,107,47,.45);
 border-color: var(--gold);
}
.form-note { color: var(--muted); font-size: 14px; margin: 10px 0 0; }
.form-status {
 display: none;
 margin-top: 12px;
 background: #e7f3ec;
 color: var(--ok);
 border-radius: 12px;
 padding: 10px 12px;
 font-weight: 700;
}
.form-status.show { display: block; }
.site-footer {
 background: #231c16;
 color: #f6ecdf;
 padding: 42px 0 28px;
}
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 28px; }
.foot-name { font-weight: 800; font-size: 20px; margin-bottom: 8px; }
.site-footer p { color: #e6d7c4; margin: 0; }
.foot-links { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.foot-links a { color: #f6ecdf; border-bottom: 1px solid transparent; }
.foot-links a:hover, .foot-links a:focus-visible { color: var(--cream); border-bottom-color: var(--cream); }
.copy-line { border-top: 1px solid rgba(255,255,255,.12); margin-top: 22px; padding-top: 16px; color: #d9cbb8; font-size: 14px; }
@media (max-width: 1320px) {
 .nav-toggle { display: inline-flex; }
 #menu {
  display: none;
  position: absolute;
  top: calc(100% - 6px);
  left: 0;
  right: 0;
  margin-left: 0;
  flex-direction: column;
  align-items: stretch;
  background: #2b2118;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  padding: 12px;
  box-shadow: var(--shadow);
 }
 #menu.is-open { display: flex; }
 .nav-list { flex-direction: column; align-items: stretch; width: 100%; }
 .nav-list a { width: 100%; }
 .nav-cta { margin: 8px 0 0; text-align: center; }
}
@media (max-width: 1024px) {
 .lead-grid, .channel-layout, .match-grid, .close-grid, .foot-grid { grid-template-columns: 1fr; }
 .channel-copy { position: static; }
 .meter-grid { grid-template-columns: 1fr 1fr; }
 .step-rail { grid-template-columns: 1fr 1fr; }
 .match-photo img { height: 300px; }
 .bars { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
 .section { padding: 56px 0; }
 .page-lead { padding: 48px 0 42px; }
 .faq-grid, .form-grid, .step-rail { grid-template-columns: 1fr; }
 .method { grid-template-columns: 52px 1fr; }
 .pill { grid-column: 2; justify-self: start; }
 .logo { min-width: 0; }
 .logo-sub { display: none; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 .meter-grid { grid-template-columns: 1fr; }
 .btn { width: 100%; }
 .rank-title { align-items: flex-start; }
 .shot img, .match-photo img { height: 220px; }
 h1 { font-size: 32px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 .btn, .method, .nav-cta { transition: none; }
}

/* roulang page: category5 */
:root {
 --bg: #f4f3f1;
 --bg-alt: #fffcf8;
 --sand: #f7f1e8;
 --ink: #1c1917;
 --muted: #5e584f;
 --line: #e4ddd2;
 --card: #ffffff;
 --gold: #9a6b2f;
 --gold-soft: #f8f1e4;
 --cream: #f3d7a1;
 --nav-1: #2b2118;
 --nav-2: #6b4e2e;
 --ok: #2f6b4f;
 --bad: #8a3d32;
 --console: #1c1712;
 --radius: 18px;
 --radius-sm: 12px;
 --shadow: 0 16px 40px rgba(48, 36, 20, .08);
 --shadow-soft: 0 8px 24px rgba(48, 36, 20, .05);
 --header: 78px;
 --max: 1140px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.7;
 font-size: 16.5px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(32px, 4vw, 48px); line-height: 1.12; letter-spacing: -.03em; }
h2 { font-size: clamp(26px, 3vw, 34px); line-height: 1.2; letter-spacing: -.025em; }
h3 { font-size: 18px; line-height: 1.35; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: linear-gradient(90deg, var(--nav-1) 0%, #4e3b28 58%, var(--nav-2) 100%);
 color: #f8f1e4;
 box-shadow: 0 10px 28px rgba(28, 20, 12, .22);
}
.nav-wrap { min-height: var(--header); display: flex; align-items: center; gap: 18px; position: relative; }
.logo { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px;
 display: grid; place-items: center;
 background: var(--cream); color: var(--nav-1);
 font-weight: 800;
}
.logo-text { display: flex; flex-direction: column; }
.logo-title { display: block; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.logo-sub { display: block; color: #f0d7ae; font-size: 12px; line-height: 1.3; }
.nav-toggle {
 display: none;
 margin-left: auto;
 background: rgba(255,255,255,.1);
 color: #fff;
 border: 1px solid rgba(255,255,255,.18);
 border-radius: 999px;
 padding: 8px 12px;
 cursor: pointer;
 align-items: center;
 gap: 8px;
 font-weight: 700;
}
#menu { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-list a {
 display: inline-flex;
 align-items: center;
 min-height: 38px;
 padding: 0 10px;
 border-radius: 999px;
 color: #f6ecdf;
 font-size: 13.5px;
 font-weight: 600;
}
.nav-list a:hover, .nav-list a:focus-visible { background: rgba(255,255,255,.12); }
.nav-list a.active { background: rgba(255,255,255,.14); box-shadow: inset 0 -2px 0 var(--cream); }
.nav-cta {
 margin-left: 8px;
 background: var(--cream);
 color: var(--nav-1);
 font-weight: 800;
 border-radius: 999px;
 padding: 10px 14px;
 white-space: nowrap;
}
.nav-cta:hover, .nav-cta:focus-visible { background: #fff4df; transform: translateY(-1px); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.site-header :focus-visible { outline-color: var(--cream); }
.lead { max-width: 74ch; color: var(--muted); }
.eyebrow {
 color: var(--gold);
 font-family: "IBM Plex Mono", monospace;
 font-size: 12px;
 font-weight: 500;
 letter-spacing: .08em;
 text-transform: uppercase;
 margin-bottom: 8px;
}
.section-head { margin-bottom: 26px; max-width: 760px; }
.section-head p { margin-top: 10px; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 min-height: 46px; padding: 0 16px; border-radius: 999px;
 border: 1px solid transparent; font-weight: 700; cursor: pointer;
 transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-gold { background: var(--cream); color: var(--nav-1); }
.btn-gold:hover { background: #fff6e6; }
.btn-ghost { background: transparent; color: var(--ink); border-color: #cfc4b4; }
.btn-ghost:hover { background: rgba(255,255,255,.7); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #322920; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.tag {
 display: inline-flex; border-radius: 999px; padding: 4px 9px;
 background: var(--gold-soft); color: var(--gold); font-size: 12px; font-weight: 800;
}
main > section { padding: 72px 0; }
.answer-sec {
 background:
  linear-gradient(100deg, rgba(244,243,241,.94) 0%, rgba(244,243,241,.9) 48%, rgba(244,243,241,.82) 100%),
  url("/assets/images/eeb6f1e4508074d9.webp") center/cover no-repeat;
}
.answer-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: stretch; }
.answer-box, .signal-item, .rank-row, .compare-col, .step-item, .time-item, .case-row, .faq-item, .form-card, .summary-box, .side-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
}
.answer-box { padding: 28px; border-top: 6px solid var(--gold); box-shadow: var(--shadow); }
.crumb { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.crumb a { color: var(--gold); font-weight: 700; }
.crumb a:hover { text-decoration: underline; }
.answer-def { display: block; margin: 16px 0 12px; font-size: 18px; line-height: 1.55; }
.answer-box .lead { margin-top: 8px; }
.fact-list { list-style: none; display: grid; gap: 10px; margin-top: 18px; }
.fact-list li { display: flex; gap: 10px; align-items: flex-start; }
.fact-list i { color: var(--ok); margin-top: 5px; }
.side-card { overflow: hidden; display: flex; flex-direction: column; }
.answer-photo { width: 100%; height: 230px; object-fit: cover; }
.side-body { padding: 16px 16px 18px; display: grid; gap: 10px; }
.mini-fact { display: flex; justify-content: space-between; gap: 12px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 14.5px; }
.mini-fact span { color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.err-tag {
 border: 1px solid var(--line);
 background: #fff;
 border-radius: 999px;
 padding: 7px 12px;
 font-weight: 650;
 font-size: 13.5px;
 cursor: pointer;
 transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.err-tag:hover, .err-tag.is-on { background: var(--gold-soft); border-color: #e3d0ae; color: var(--nav-1); transform: translateY(-1px); }
.signal-sec { background: var(--bg-alt); padding-top: 28px; padding-bottom: 28px; }
.signal-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.signal-item { padding: 16px 16px 14px; }
.signal-item strong {
 display: block;
 font-family: "IBM Plex Mono", monospace;
 font-size: 28px;
 letter-spacing: -.04em;
 color: var(--nav-1);
 line-height: 1.1;
}
.signal-item span { display: block; color: var(--muted); font-size: 14px; margin-top: 6px; }
.rank-tools { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; justify-content: space-between; margin-bottom: 16px; }
.filter-bar { display: grid; gap: 6px; min-width: min(100%, 320px); }
.filter-bar span { font-size: 13px; font-weight: 700; }
.filter-bar input {
 min-height: 46px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: #fff;
 padding: 0 16px;
 font-size: 15px;
}
.filter-bar input:focus { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(154,107,47,.15); outline: none; }
.rank-list { display: grid; gap: 12px; }
.rank-row { display: grid; grid-template-columns: 74px 1fr 250px; gap: 16px; align-items: center; padding: 16px 18px; }
.rank-row[hidden], .rank-empty[hidden], .form-alert[hidden], .form-result[hidden] { display: none !important; }
.medal {
 width: 64px; height: 64px; border-radius: 16px;
 display: grid; place-items: center;
 background: var(--gold-soft); color: var(--nav-1);
 font-weight: 800; font-size: 26px;
}
.rank-row:nth-child(-n+3) .medal { background: #2b2118; color: var(--cream); }
.rank-title { font-weight: 800; line-height: 1.45; margin-bottom: 4px; }
.rank-title small { display: block; font-weight: 500; color: var(--muted); font-size: 14.5px; margin-top: 4px; }
.bars { display: grid; gap: 7px; }
.bar-line { display: grid; grid-template-columns: 92px 1fr 36px; gap: 8px; align-items: center; font-size: 12px; color: var(--muted); }
.bar { height: 7px; background: #efe8dc; border-radius: 99px; overflow: hidden; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), #c8924a); border-radius: inherit; }
.rank-empty { padding: 18px; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); background: #fff; }
.compare-sec { background: var(--sand); }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-col { padding: 8px 8px 10px; overflow: hidden; }
.compare-col header { padding: 16px 16px 12px; font-weight: 800; font-size: 20px; }
.compare-col.good { outline: 2px solid rgba(47,107,79,.18); }
.compare-col.good header { color: var(--ok); }
.compare-col.bad header { color: var(--bad); }
.compare-row {
 display: flex; justify-content: space-between; gap: 16px;
 padding: 12px 16px; border-top: 1px solid var(--line); font-size: 15px;
}
.compare-row span { color: var(--muted); }
.compare-note { margin-top: 14px; color: var(--muted); }
.step-sec { background: var(--bg-alt); }
.step-rail { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.step-item { padding: 18px; min-height: 180px; position: relative; }
.step-no {
 font-family: "IBM Plex Mono", monospace;
 color: var(--gold);
 font-weight: 500;
 font-size: 13px;
}
.step-item h3 { margin: 8px 0; }
.step-item p { color: var(--muted); }
.time-list { list-style: none; display: grid; gap: 0; max-width: 860px; }
.time-item { display: grid; grid-template-columns: 92px 1fr; gap: 16px; padding: 0 0 8px; background: transparent; border: 0; box-shadow: none; border-radius: 0; }
.time-index {
 width: 64px; height: 64px; border-radius: 50%;
 display: grid; place-items: center;
 background: var(--nav-1); color: var(--cream);
 font-family: "IBM Plex Mono", monospace;
 position: relative;
}
.time-item:not(:last-child) .time-index::after {
 content: "";
 position: absolute;
 top: 64px; bottom: -28px; left: 50%;
 width: 2px; background: #e0d3c2;
 transform: translateX(-50%);
}
.time-copy { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow-soft); margin-bottom: 14px; }
.time-copy p { color: var(--muted); margin-top: 6px; }
.case-sec { background: var(--bg-alt); }
.case-list { display: grid; gap: 12px; }
.case-row { display: grid; grid-template-columns: 190px 1fr; gap: 16px; align-items: center; padding: 12px; }
.case-row img { width: 190px; height: 124px; object-fit: cover; border-radius: 14px; }
.case-row h3 { margin: 8px 0 6px; }
.case-row p { color: var(--muted); }
.faq-list { display: grid; gap: 10px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item summary {
 list-style: none;
 cursor: pointer;
 padding: 16px 18px;
 font-weight: 750;
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--gold); font-weight: 800; font-size: 22px; line-height: 1; }
.faq-item[open] summary::after { content: "–"; }
.faq-item summary:hover { background: #fffaf3; }
.faq-item p { color: var(--muted); padding: 0 18px 16px; }
.close-sec { background: var(--sand); }
.close-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 18px; align-items: start; }
.summary-box {
 background: var(--console);
 color: #f8f1e6;
 border: 0;
 padding: 28px;
 box-shadow: var(--shadow);
}
.summary-box .eyebrow { color: var(--cream); }
.summary-box p { color: #f0e6d8; margin-top: 12px; }
.summary-box ul { margin-top: 16px; display: grid; gap: 8px; list-style: none; }
.summary-box li { padding-left: 16px; position: relative; }
.summary-box li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cream); position: absolute; left: 0; top: 10px; }
.form-card { padding: 22px; }
.form-card h2 { font-size: 28px; margin-bottom: 6px; }
.field { display: grid; gap: 6px; margin-top: 12px; }
.field span { font-weight: 700; font-size: 14px; }
.field input, .field select, .field textarea {
 width: 100%;
 border: 1px solid var(--line);
 background: #fffdf9;
 border-radius: 12px;
 padding: 12px;
 font-size: 15px;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
 border-color: var(--gold);
 box-shadow: 0 0 0 4px rgba(154,107,47,.14);
 outline: none;
}
.form-card .btn { margin-top: 14px; }
.form-alert { color: var(--bad); font-weight: 700; margin-top: 10px; }
.form-result { margin-top: 12px; background: var(--gold-soft); border-radius: 12px; padding: 12px 14px; }
.fine { color: var(--muted); font-size: 13.5px; margin-top: 10px; }
.site-footer { background: #231c16; color: #f6ecdf; padding: 42px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 24px; }
.foot-name { font-weight: 800; font-size: 20px; margin-bottom: 8px; }
.site-footer p { color: #d9cbb8; }
.foot-links { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.foot-links a { color: #f6ecdf; font-weight: 650; }
.foot-links a:hover, .foot-links a:focus-visible { color: var(--cream); }
.copy-line { border-top: 1px solid rgba(255,255,255,.12); margin-top: 22px; padding-top: 14px; color: #d9cbb8; font-size: 14px; }
@media (max-width: 1040px) {
 .nav-toggle { display: inline-flex; }
 #menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  margin-left: 0;
  flex-direction: column;
  align-items: stretch;
  padding: 12px 16px 16px;
  background: linear-gradient(180deg, #2b2118, #4a3828);
  box-shadow: 0 16px 30px rgba(28,20,12,.25);
  z-index: 30;
 }
 #menu.is-open { display: flex; }
 .nav-list { flex-direction: column; align-items: stretch; }
 .nav-list a { width: 100%; }
 .nav-cta { margin: 6px 0 0; text-align: center; }
 .answer-grid, .compare-grid, .close-grid, .rank-row, .case-row { grid-template-columns: 1fr; }
 .step-rail, .signal-row { grid-template-columns: 1fr 1fr; }
 .rank-row { align-items: start; }
 .case-row img { width: 100%; height: 190px; }
}
@media (max-width: 768px) {
 main > section { padding: 56px 0; }
 .step-rail, .foot-grid { grid-template-columns: 1fr; }
 .time-item { grid-template-columns: 72px 1fr; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 .logo { min-width: 0; }
 .logo-sub { max-width: 146px; }
 .signal-row { grid-template-columns: 1fr; }
 .answer-box, .summary-box, .form-card { padding: 18px; }
 .btn-row .btn, .form-card .btn { width: 100%; }
 .bar-line { grid-template-columns: 78px 1fr 32px; }
 .compare-row { flex-direction: column; gap: 4px; }
}

/* roulang page: category6 */
:root {
 --bg: #f4f3f1;
 --bg-alt: #fffcf8;
 --sand: #f7f1e8;
 --ink: #1c1917;
 --muted: #5e584f;
 --line: #e4ddd2;
 --card: #ffffff;
 --gold: #9a6b2f;
 --gold-soft: #f8f1e4;
 --cream: #f3d7a1;
 --nav-1: #2b2118;
 --nav-2: #6b4e2e;
 --ok: #2f6b4f;
 --bad: #8a3d32;
 --console: #1c1712;
 --radius: 18px;
 --radius-sm: 12px;
 --shadow: 0 16px 40px rgba(48, 36, 20, .08);
 --shadow-soft: 0 8px 24px rgba(48, 36, 20, .05);
 --header: 78px;
 --max: 1140px;
}
/* roulang page: category6 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", sans-serif;
 color: var(--ink);
 background: var(--bg);
 line-height: 1.7;
 font-size: 16.5px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(34px, 4.4vw, 54px); line-height: 1.12; letter-spacing: -.03em; margin-bottom: 12px; }
h2 { font-size: clamp(26px, 3vw, 36px); line-height: 1.2; letter-spacing: -.02em; margin-bottom: 8px; }
h3 { font-size: 18px; line-height: 1.35; margin-bottom: 6px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: linear-gradient(90deg, var(--nav-1) 0%, #4e3b28 58%, var(--nav-2) 100%);
 color: #f8f1e4;
 box-shadow: 0 10px 28px rgba(28, 20, 12, .22);
}
.nav-wrap { min-height: var(--header); display: flex; align-items: center; gap: 18px; position: relative; }
.logo { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px;
 display: grid; place-items: center;
 background: var(--cream); color: var(--nav-1);
 font-weight: 800;
}
.logo-title { display: block; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.logo-sub { display: block; color: #f0d7ae; font-size: 12px; line-height: 1.3; }
.nav-toggle {
 display: none;
 margin-left: auto;
 background: rgba(255,255,255,.1);
 color: #fff;
 border: 1px solid rgba(255,255,255,.18);
 border-radius: 999px;
 padding: 8px 12px;
 cursor: pointer;
}
.nav-toggle:hover, .nav-toggle:focus-visible { background: rgba(255,255,255,.18); }
#menu { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-list a {
 display: inline-flex;
 align-items: center;
 min-height: 38px;
 padding: 0 10px;
 border-radius: 999px;
 color: #f6ecdf;
 font-size: 13.5px;
 font-weight: 600;
}
.nav-list a:hover, .nav-list a:focus-visible { background: rgba(255,255,255,.12); }
.nav-list a.active { background: rgba(255,255,255,.14); box-shadow: inset 0 -2px 0 var(--cream); }
.nav-cta {
 margin-left: 8px;
 background: var(--cream);
 color: var(--nav-1);
 font-weight: 800;
 border-radius: 999px;
 padding: 10px 14px;
 white-space: nowrap;
}
.nav-cta:hover, .nav-cta:focus-visible { background: #fff4df; transform: translateY(-1px); }
.brand-name { color: var(--cream); font-weight: 700; letter-spacing: .01em; margin-bottom: 14px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 min-height: 46px; padding: 0 16px; border-radius: 999px;
 border: 1px solid transparent; font-weight: 750; cursor: pointer;
 transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
 outline: 2px solid var(--gold);
 outline-offset: 2px;
}
.btn-gold { background: var(--cream); color: var(--nav-1); }
.btn-gold:hover { background: #fff6e6; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #322920; }
.lead { max-width: 74ch; color: var(--muted); }
.section-head { margin-bottom: 26px; }
.section-head p { color: var(--muted); max-width: 68ch; }
.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: 8px; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 9px; background: var(--gold-soft); color: var(--gold); font-size: 12px; font-weight: 800; }
.mono { font-family: "IBM Plex Mono", monospace; }
main section { padding: 72px 0; }
.alt { background: var(--bg-alt); }
.sand { background: var(--sand); }
.cat-hero {
 position: relative;
 color: #f8f3ea;
 background:
  linear-gradient(105deg, rgba(22,16,12,.92) 0%, rgba(22,16,12,.78) 48%, rgba(22,16,12,.5) 100%),
  url("/assets/images/eeb6f1e4508074d9.webp") center/cover no-repeat;
 padding: 64px 0 58px;
}
.crumb { display: flex; flex-wrap: wrap; gap: 8px; color: #eadcc8; font-size: 13px; margin-bottom: 16px; }
.crumb a { color: var(--cream); }
.cat-hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: stretch; }
.answer-box {
 margin-top: 18px;
 background: rgba(255,252,248,.96);
 color: var(--ink);
 border-radius: 22px;
 padding: 18px 18px 16px;
 box-shadow: var(--shadow);
}
.answer-box p { margin: 10px 0 0; }
.hero-side {
 background: rgba(255,252,248,.96);
 color: var(--ink);
 border-radius: 24px;
 overflow: hidden;
 box-shadow: var(--shadow);
 display: flex;
 flex-direction: column;
}
.hero-side img { height: 210px; width: 100%; object-fit: cover; }
.side-body { padding: 16px 16px 18px; display: grid; gap: 10px; }
.metric {
 display: flex; justify-content: space-between; gap: 12px; align-items: baseline;
 border-bottom: 1px solid var(--line); padding-bottom: 8px;
}
.metric:last-child { border-bottom: 0; padding-bottom: 0; }
.metric b { font-family: "IBM Plex Mono", monospace; font-size: 22px; color: var(--gold); letter-spacing: -.04em; }
.metric span { color: var(--muted); font-size: 14px; }
.auth-grid { display: grid; grid-template-columns: 1.2fr repeat(3, .8fr); gap: 12px; }
.auth-card, .fact-row, .rank-row, .podium-card, .compare-col, .mile, .case-photo, .faq-item, .sum-box, .form-card, .note-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
}
.auth-card { padding: 16px 16px 14px; }
.auth-card strong { display: block; font-size: 15px; }
.auth-card span { color: var(--muted); font-size: 14px; }
.auth-card i { color: var(--gold); margin-right: 6px; }
.fact-layout { display: grid; grid-template-columns: .9fr 1.2fr; gap: 22px; align-items: start; }
.fact-list { display: grid; gap: 12px; }
.fact-row { padding: 16px 16px 14px; display: grid; grid-template-columns: 46px 1fr auto; gap: 12px; align-items: center; transition: transform .18s ease, box-shadow .18s ease; }
.fact-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.fact-ico { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--gold-soft); color: var(--gold); }
.fact-row p { margin: 0; color: var(--muted); font-size: 14.5px; }
.fact-row em { font-style: normal; font-weight: 800; color: var(--ok); font-size: 13px; }
.rank-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: start; }
.rank-list { display: grid; gap: 10px; }
.rank-row { padding: 14px 16px; display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; }
.rank-row.top { background: linear-gradient(180deg, #fffdf9, #fff); border-color: #ead7b4; }
.medal { font-size: 26px; line-height: 1; }
.rank-main { font-weight: 750; }
.rank-main small { display: block; color: var(--muted); font-weight: 500; }
.rank-score { text-align: right; font-size: 14px; color: var(--gold); font-weight: 800; white-space: nowrap; }
.podium { display: grid; gap: 12px; }
.podium-card { padding: 16px; }
.podium-card header { display: flex; justify-content: space-between; gap: 8px; align-items: center; margin-bottom: 8px; }
.params { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.param { background: var(--sand); border-radius: 12px; padding: 8px 10px; }
.param b { display: block; font-size: 13px; }
.param span { color: var(--muted); font-size: 12.5px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-col { padding: 8px 8px 12px; overflow: hidden; }
.compare-col header { padding: 16px 16px 8px; font-weight: 800; font-size: 18px; }
.compare-col.good header { color: var(--ok); }
.compare-col.bad header { color: var(--bad); }
.compare-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line); font-size: 14.5px; }
.compare-row span { color: var(--muted); }
.mile-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.mile { padding: 16px; min-height: 210px; position: relative; }
.mile .n {
 width: 36px; height: 36px; border-radius: 50%;
 display: grid; place-items: center;
 background: var(--nav-1); color: var(--cream); font-weight: 800; margin-bottom: 12px;
}
.mile p { color: var(--muted); margin: 0; font-size: 14.5px; }
.case-layout { display: grid; grid-template-columns: .92fr 1.08fr; gap: 22px; align-items: center; }
.photo-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 12px; }
.case-photo { overflow: hidden; margin: 0; }
.case-photo img { width: 100%; height: 180px; object-fit: cover; }
.case-photo.tall img { height: 100%; min-height: 372px; }
.case-photo figcaption { padding: 10px 12px 12px; color: var(--muted); font-size: 13.5px; }
.check { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 8px; }
.check li { display: flex; gap: 8px; align-items: flex-start; }
.check i { color: var(--ok); margin-top: 4px; }
.faq-list { display: grid; gap: 10px; }
.faq-item { padding: 0 16px; }
.faq-item summary { cursor: pointer; font-weight: 750; min-height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:after { content: "+"; color: var(--gold); font-weight: 800; font-size: 22px; }
.faq-item[open] summary:after { content: "–"; }
.faq-item p { color: var(--muted); margin: 0 0 16px; }
.close-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 18px; align-items: start; }
.sum-box { padding: 22px; background: #231c16; color: #f8f1e6; border-color: #231c16; }
.sum-box p { color: #f0e4d4; }
.sum-box .tag { background: rgba(243,215,161,.16); color: var(--cream); }
.form-card { padding: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 650; }
.field.full { grid-column: 1 / -1; }
.field input, .field select {
 min-height: 46px;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--ink);
 padding: 0 12px;
}
.field input:hover, .field select:hover { border-color: #c9b79a; }
.form-note { margin: 12px 0 0; padding: 12px 14px; border-radius: 12px; background: var(--gold-soft); color: var(--ink); }
.site-footer { background: var(--nav-1); color: #f6ecdf; padding: 42px 0 22px; }
.foot-grid { display: flex; justify-content: space-between; gap: 28px; align-items: start; }
.foot-name { font-weight: 800; font-size: 20px; margin-bottom: 8px; }
.site-footer p { color: #e6d7c4; max-width: 52ch; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; justify-content: flex-end; }
.foot-links a { color: var(--cream); font-weight: 650; }
.foot-links a:hover { color: #fff; }
.copy-line { border-top: 1px solid rgba(255,255,255,.12); margin-top: 22px; padding-top: 14px; color: #d9cbb8; font-size: 14px; }
@media (max-width: 1024px) {
 .nav-toggle { display: inline-flex; align-items: center; gap: 8px; }
 #menu {
  display: none;
  position: absolute;
  left: 0; right: 0; top: 100%;
  margin-left: 0;
  padding: 12px;
  background: #3a2c20;
  flex-direction: column;
  align-items: stretch;
  box-shadow: 0 18px 30px rgba(20,14,8,.28);
 }
 #menu.open { display: flex; }
 .nav-list { flex-direction: column; align-items: stretch; }
 .nav-list a { min-height: 42px; }
 .nav-cta { margin: 8px 0 0; text-align: center; }
 .cat-hero-grid, .fact-layout, .rank-layout, .case-layout, .close-grid, .auth-grid { grid-template-columns: 1fr; }
 .mile-list { grid-template-columns: 1fr 1fr; }
 .auth-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
 main section { padding: 56px 0; }
 .compare-grid, .photo-grid, .form-grid, .mile-list, .auth-grid { grid-template-columns: 1fr; }
 .case-photo.tall img, .case-photo img, .hero-side img { height: 220px; min-height: 0; }
 .foot-grid { flex-direction: column; }
 .foot-links { justify-content: flex-start; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 .logo { min-width: 0; }
 .logo-sub { display: none; }
 .cat-hero { padding: 42px 0 36px; }
 .fact-row, .rank-row { grid-template-columns: auto 1fr; }
 .fact-row em, .rank-score { grid-column: 2; text-align: left; white-space: normal; }
 .params { grid-template-columns: 1fr; }
 h1 { font-size: 32px; }
}

/* roulang page: category7 */
:root {
  --bg: #f4f3f1;
  --bg-alt: #fffcf8;
  --sand: #f7f1e8;
  --ink: #1c1917;
  --muted: #5e584f;
  --line: #e4ddd2;
  --card: #ffffff;
  --gold: #9a6b2f;
  --gold-soft: #f8f1e4;
  --cream: #f3d7a1;
  --nav-1: #2b2118;
  --nav-2: #6b4e2e;
  --ok: #2f6b4f;
  --bad: #8a3d32;
  --console: #1c1712;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 16px 40px rgba(48, 36, 20, .08);
  --shadow-soft: 0 8px 24px rgba(48, 36, 20, .05);
  --header: 78px;
  --max: 1140px;
}
/* roulang page: ho-tro-ho-so */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16.5px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(32px, 4vw, 52px); line-height: 1.12; letter-spacing: -.03em; margin-bottom: 12px; }
h2 { font-size: clamp(26px, 3vw, 36px); line-height: 1.2; letter-spacing: -.02em; margin-bottom: 10px; }
h3 { margin: 0 0 6px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header .container { width: min(1280px, calc(100% - 28px)); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(90deg, var(--nav-1) 0%, #4e3b28 58%, var(--nav-2) 100%);
  color: #f8f1e4;
  box-shadow: 0 10px 28px rgba(28, 20, 12, .22);
}
.nav-wrap { min-height: var(--header); display: flex; align-items: center; gap: 18px; position: relative; }
.logo { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 13px;
  display: grid; place-items: center;
  background: var(--cream); color: var(--nav-1);
  font-weight: 800;
}
.logo-title { display: block; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.logo-sub { display: block; color: #f0d7ae; font-size: 12px; line-height: 1.3; }
.nav-toggle {
  display: none;
  margin-left: auto;
  background: rgba(255,255,255,.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  padding: 8px 12px;
  cursor: pointer;
  align-items: center;
  gap: 8px;
}
.nav-toggle:hover, .nav-toggle:focus-visible { background: rgba(255,255,255,.18); }
#menu { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 10px;
  border-radius: 999px;
  color: #f6ecdf;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
}
.nav-list a:hover, .nav-list a:focus-visible { background: rgba(255,255,255,.12); outline: none; }
.nav-list a.active { background: rgba(255,255,255,.14); box-shadow: inset 0 -2px 0 var(--cream); }
.nav-cta {
  margin-left: 8px;
  background: var(--cream);
  color: var(--nav-1);
  font-weight: 800;
  border-radius: 999px;
  padding: 10px 14px;
  white-space: nowrap;
}
.nav-cta:hover, .nav-cta:focus-visible { background: #fff4df; transform: translateY(-1px); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 16px; border-radius: 999px;
  border: 1px solid transparent; font-weight: 700; cursor: pointer;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--cream); outline-offset: 2px; }
.btn-gold { background: var(--cream); color: var(--nav-1); }
.btn-gold:hover { background: #fff6e6; }
.btn-ghost { background: transparent; color: var(--ink); border-color: #cbbfae; }
.btn-ghost:hover { background: #fff; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #322920; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.tag { display: inline-flex; border-radius: 999px; padding: 4px 9px; background: var(--gold-soft); color: var(--gold); font-size: 12px; font-weight: 800; }
.lead { max-width: 74ch; color: var(--muted); }
.section-head { margin-bottom: 22px; }
.section-head p { color: var(--muted); max-width: 68ch; }
main > section { padding: 72px 0; }
main > section:nth-child(even) { background: var(--bg-alt); }
.chip, .stat, .matrix-item, .bento-card, .case-card, .topic-card, .guard-item, .faq-item, .form-card, .compare-col {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.page-hero { background: linear-gradient(180deg, #f7f1e8 0%, #f4f3f1 100%); padding: 54px 0 36px; }
.crumb { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.crumb i { font-size: 10px; color: var(--gold); }
.mast { display: grid; grid-template-columns: 1.15fr .72fr; gap: 36px; align-items: center; }
.brand-name { color: var(--gold); font-weight: 700; letter-spacing: .01em; margin-bottom: 10px; }
.hero-lead { margin: 0; max-width: 62ch; color: var(--muted); font-size: 17.5px; }
.portrait {
  width: min(300px, 100%);
  margin-left: auto;
  aspect-ratio: 9 / 15;
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  border: 1px solid #efe6d8;
  background: #231c16;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.portrait figcaption {
  position: absolute; left: 12px; right: 12px; bottom: 12px;
  background: rgba(28, 23, 18, .82); color: #f8f1e4;
  border-radius: 16px; padding: 12px 14px;
}
.portrait strong { display: block; font-size: 14px; }
.portrait span { display: block; color: #f0d7ae; font-size: 12.5px; }
.signal-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 28px; }
.chip { padding: 14px 16px; }
.chip strong { display: block; font-size: 15px; }
.chip span, .chip small { color: var(--muted); font-size: 13.5px; }
.answer-band { padding-top: 20px; }
.answer-box {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 6px solid var(--gold);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 26px 28px;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 22px;
}
.answer-kicker { font-family: "IBM Plex Mono", monospace; color: var(--gold); font-size: 13px; font-weight: 500; }
.answer-box p { margin: 0; font-size: 18px; }
.rank-list { display: grid; gap: 14px; }
.rank-card { display: grid; grid-template-columns: 92px 1fr 220px; gap: 18px; align-items: center; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow-soft); }
.rank-card.top { background: linear-gradient(90deg, #fff 0%, #fffaf2 100%); border-color: #ead9b8; }
.medal { font-size: 34px; line-height: 1; }
.rank-title { font-weight: 800; font-size: 18px; }
.score-line { font-family: "IBM Plex Mono", monospace; font-size: 13.5px; color: var(--ink); margin: 4px 0 8px; }
.params { display: flex; flex-wrap: wrap; gap: 8px; }
.params span { background: var(--sand); border-radius: 999px; padding: 4px 10px; font-size: 12.5px; color: #4d453c; }
.meters { display: grid; gap: 8px; }
.meter-label { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); }
.meter { height: 7px; background: #efe7db; border-radius: 99px; overflow: hidden; }
.meter i { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), #c8964d); border-radius: inherit; }
.prep-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: stretch; }
.prep-photo { border-radius: 24px; overflow: hidden; min-height: 320px; position: relative; }
.prep-photo img { width: 100%; height: 100%; object-fit: cover; }
.prep-photo span {
  position: absolute; left: 14px; bottom: 14px;
  background: rgba(255,252,248,.92); border-radius: 12px; padding: 8px 12px; font-weight: 700; font-size: 14px;
}
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.check-list li { display: grid; grid-template-columns: 36px 1fr; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; }
.check-list i { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: var(--gold-soft); color: var(--gold); }
.check-list strong { display: block; }
.check-list span { color: var(--muted); font-size: 14.5px; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 18px; min-height: 180px; position: relative; }
.step::before { counter-increment: step; content: counter(step); font-family: "IBM Plex Mono", monospace; color: var(--gold); font-weight: 500; }
.step h3 { margin-top: 8px; font-size: 18px; }
.step p { color: var(--muted); margin-bottom: 0; }
.scope { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-col { padding: 8px 8px 18px; overflow: hidden; }
.compare-col header { padding: 16px 16px 10px; font-weight: 800; font-size: 18px; }
.compare-col.good header { color: var(--ok); }
.compare-col.bad header { color: var(--bad); }
.compare-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line); font-size: 14.5px; }
.compare-row span { color: var(--muted); }
.case-list { display: grid; gap: 12px; }
.case-row { display: grid; grid-template-columns: 148px 1fr auto; gap: 16px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 10px; }
.case-row img { width: 148px; height: 104px; object-fit: cover; border-radius: 12px; }
.case-row p { margin: 0; color: var(--muted); }
.case-row em { font-style: normal; color: var(--gold); font-weight: 800; font-size: 13px; }
.faq-list { display: grid; gap: 10px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 16px 18px; font-weight: 750; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--gold); font-weight: 700; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 0; padding: 0 18px 16px; color: var(--muted); }
.faq-item summary:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }
.conclusion {
  border-radius: 28px;
  overflow: hidden;
  color: #f8f3ea;
  background:
    linear-gradient(100deg, rgba(28,23,18,.92), rgba(28,23,18,.72)),
    url("/assets/images/3b86584f06bde44a.webp") center/cover no-repeat;
  padding: 36px;
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 18px;
  box-shadow: var(--shadow);
}
.conclusion p { color: #f3eadf; }
.conclusion .stat { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); color: #fff; padding: 16px; }
.conclusion .stat b { display: block; font-size: 28px; color: var(--cream); letter-spacing: -.03em; }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 22px; align-items: start; }
.contact-copy h2 { margin-bottom: 8px; }
.side-photo { margin-top: 16px; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); }
.side-photo img { width: 100%; height: 210px; object-fit: cover; }
.form-card { padding: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 700; font-size: 14px; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); background: #fff; color: var(--ink);
  border-radius: 12px; min-height: 46px; padding: 10px 12px; font-size: 15px;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--gold); border-color: var(--gold); }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--muted); }
.form-note { min-height: 24px; color: var(--ok); font-weight: 700; }
.site-footer { background: #231c16; color: #f6ecdf; padding: 42px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 24px; }
.foot-name { font-weight: 800; font-size: 20px; margin-bottom: 8px; }
.site-footer p { color: #e6d8c6; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; align-content: flex-start; }
.foot-links a { color: #f3d7a1; font-weight: 650; }
.foot-links a:hover, .foot-links a:focus-visible { color: #fff; }
.copy-line { border-top: 1px solid rgba(255,255,255,.12); margin-top: 22px; padding-top: 14px; color: #d9cbb8; font-size: 14px; }
@media (max-width: 1100px) {
  .nav-toggle { display: inline-flex; }
  #menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #3a2c20;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 16px;
    box-shadow: 0 16px 30px rgba(0,0,0,.2);
  }
  #menu.open { display: flex; }
  .nav-list { flex-direction: column; align-items: stretch; width: 100%; }
  .nav-list a { width: 100%; }
  .nav-cta { margin: 4px 0 0; text-align: center; }
}
@media (max-width: 1024px) {
  .mast, .answer-box, .prep-grid, .scope, .contact-grid, .conclusion, .foot-grid { grid-template-columns: 1fr; }
  .signal-row, .timeline { grid-template-columns: 1fr 1fr; }
  .rank-card, .case-row { grid-template-columns: 1fr; }
  .portrait { margin: 0 auto; }
  .case-row img { width: 100%; height: 180px; }
}
@media (max-width: 768px) {
  main > section { padding: 52px 0; }
  .signal-row, .timeline, .form-grid { grid-template-columns: 1fr; }
  .container { width: min(var(--max), calc(100% - 28px)); }
  h1 { font-size: 34px; }
}
@media (max-width: 520px) {
  .logo-sub { display: none; }
  .logo { min-width: 0; }
  .page-hero { padding-top: 28px; }
  .conclusion, .form-card, .answer-box { padding: 18px; }
  .btn { width: 100%; }
}