/* roulang page: index */
:root {
  --ink: #173028;
  --muted: #5d6e66;
  --bg: #f3f7f4;
  --paper: #ffffff;
  --line: rgba(23, 48, 40, .12);
  --brand: #127a5b;
  --brand-deep: #0c3b30;
  --gold: #c8962e;
  --gold-soft: #f4e2b4;
  --mist: #e7f2ec;
  --danger: #9a3d32;
  --radius: 28px;
  --radius-sm: 16px;
  --shadow: 0 18px 48px rgba(12, 59, 48, .12);
  --shadow-soft: 0 10px 28px rgba(12, 59, 48, .08);
  --grad: linear-gradient(135deg, #0c3b30 0%, #127a5b 52%, #e0b45a 140%);
  --space: 72px;
  --font: "Be Vietnam Pro", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  padding-bottom: 86px;
}
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(2rem, 4.4vw, 3.5rem); line-height: 1.12; letter-spacing: -.03em; font-weight: 800; }
h2 { font-size: clamp(1.45rem, 2.3vw, 2.15rem); line-height: 1.2; letter-spacing: -.02em; font-weight: 800; margin-bottom: .6rem; }
h3 { font-size: 1.08rem; line-height: 1.35; font-weight: 700; margin-bottom: .35rem; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-shell {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}
.brand {
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--brand-deep);
  font-size: 1.02rem;
  max-width: 280px;
  line-height: 1.25;
}
.brand small { display: block; font-weight: 600; color: var(--gold); letter-spacing: .14em; font-size: .68rem; text-transform: uppercase; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .2rem .95rem; }
.site-nav a {
  position: relative;
  color: var(--ink);
  font-size: .9rem;
  font-weight: 600;
  padding: .35rem 0;
  background: transparent;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1.5px;
  background: var(--brand);
  transition: right .2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.active::after { right: 0; }
.site-nav a.active { color: var(--brand-deep); }
.site-nav a.active::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold);
  display: inline-block;
  margin-right: 6px;
  transform: translateY(-1px);
}
.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span { width: 16px; height: 1.5px; background: var(--brand-deep); display: block; }
.hero {
  position: relative;
  overflow: hidden;
  color: #f6fff9;
  border-bottom-left-radius: 42px;
  border-bottom-right-radius: 42px;
  margin-bottom: 8px;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(820px 320px at 8% 0%, rgba(232, 190, 106, .42), transparent 62%),
    radial-gradient(680px 300px at 92% 10%, rgba(18, 122, 91, .48), transparent 60%),
    linear-gradient(180deg, rgba(8, 32, 26, .42), rgba(8, 32, 26, .78)),
    url("/assets/images/264dcf862623a722.webp") center/cover no-repeat;
}
.hero-inner { position: relative; padding: 54px 0 42px; max-width: 860px; }
.brand-kicker, .band-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; letter-spacing: .02em;
  color: var(--gold-soft); margin-bottom: 12px;
}
.band-kicker { color: var(--brand); font-size: .86rem; }
.hero .lead { font-size: 1.05rem; max-width: 740px; color: rgba(246,255,249,.92); margin: 16px 0 20px; }
.ingredients { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0 0 22px; list-style: none; }
.ingredients li, .pill, .heat {
  border-radius: 999px;
  padding: .42rem .8rem;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.24);
  font-size: .86rem;
  font-weight: 600;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-main, .btn-ghost, .btn-gold {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: .86rem 1.25rem;
  font-weight: 700; border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  cursor: pointer;
}
.btn-main { background: var(--grad); color: #fff; box-shadow: var(--shadow-soft); }
.btn-gold { background: var(--gold); color: #1d1606; }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn-main:hover, .btn-gold:hover, .btn-ghost:hover,
.btn-main:focus-visible, .btn-gold:focus-visible, .btn-ghost:focus-visible {
  transform: translateY(-2px); box-shadow: var(--shadow);
}
.btn-main:active, .btn-gold:active, .btn-ghost:active { transform: translateY(0); }
.band { padding: var(--space) 0; }
.band.alt { background: linear-gradient(180deg, #fff, var(--mist)); }
.band.paper { background: var(--paper); }
.band.tight { padding: 28px 0; }
.band-head { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 24px; align-items: end; margin-bottom: 26px; }
.band-head p { color: var(--muted); margin: 0; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric-card, .matrix-main, .matrix-side article, .shot, .compare-col, .news-item, .log-item, .quote-card, .qa-item, .form-panel, .bento a, .pain-item, .step-card, .guard-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.metric-card { padding: 18px 18px 16px; position: relative; overflow: hidden; }
.metric-card strong { display: block; font-size: 1.7rem; letter-spacing: -.03em; color: var(--brand-deep); }
.metric-card span { color: var(--muted); font-size: .92rem; }
.metric-card i { position: absolute; right: 14px; top: 14px; color: var(--gold); }
.bento { display: grid; grid-template-columns: 1.35fr 1fr 1fr; grid-auto-rows: 160px; gap: 14px; }
.bento a {
  position: relative; overflow: hidden; color: #fff; padding: 18px;
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 160px;
  background-size: cover; background-position: center;
}
.bento a::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,28,22,.05), rgba(8,28,22,.78));
}
.bento a:first-child { grid-row: span 2; min-height: 334px; }
.bento a > * { position: relative; z-index: 1; }
.bento p { margin: 0; color: rgba(255,255,255,.88); font-size: .92rem; }
.heat { align-self: flex-start; margin-bottom: auto; background: rgba(200,150,46,.92); color: #1d1606; border: 0; }
.cta-bar {
  display: grid; grid-template-columns: 1.4fr auto; gap: 18px; align-items: center;
  padding: 22px;
  border-radius: 32px;
  color: #f7fff9;
  background:
    linear-gradient(100deg, rgba(12,59,48,.88), rgba(18,122,91,.78)),
    url("/assets/images/3f05d35a9a9c5bc3.webp") center/cover no-repeat;
  box-shadow: var(--shadow);
}
.cta-bar p { margin: 0; color: rgba(247,255,249,.9); }
.pain-list { display: grid; gap: 12px; }
.pain-item { display: grid; grid-template-columns: auto 1fr; gap: 14px; padding: 16px 18px; align-items: start; }
.pain-no {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--gold-soft); color: var(--brand-deep); font-weight: 800;
}
.pain-item p { margin: 0; color: var(--muted); }
.matrix { display: grid; grid-template-columns: 1.15fr .85fr; gap: 14px; }
.matrix-main { padding: 22px; background: var(--grad); color: #f7fff9; min-height: 280px; display: flex; flex-direction: column; justify-content: flex-end; }
.matrix-main p { color: rgba(247,255,249,.9); }
.matrix-side { display: grid; gap: 14px; }
.matrix-side article { padding: 16px 18px; }
.matrix-side p, .step-card p, .shot p, .compare-col p, .news-item p, .log-item p, .rank-item p, .qa-item p, .guard-item p { color: var(--muted); margin: 0; }
.step-rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.step-card { padding: 18px; position: relative; }
.step-card em { font-style: normal; color: var(--gold); font-weight: 800; font-size: .82rem; letter-spacing: .08em; }
.progress-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: center; }
.progress-panel { background: #fff; border-radius: var(--radius); border: 1px solid var(--line); padding: 22px; box-shadow: var(--shadow-soft); }
.progress-line { margin-bottom: 14px; }
.progress-line b { display: flex; justify-content: space-between; font-size: .92rem; }
.bar { height: 10px; background: #e6eee9; border-radius: 999px; overflow: hidden; margin-top: 6px; }
.bar span { display: block; height: 100%; background: var(--grad); border-radius: inherit; }
.wall { columns: 3; column-gap: 14px; }
.shot { break-inside: avoid; margin: 0 0 14px; overflow: hidden; }
.shot img { width: 100%; object-fit: cover; }
.shot.tall img { aspect-ratio: 3/4; }
.shot.mid img { aspect-ratio: 4/5; }
.shot.sq img { aspect-ratio: 1/1; }
.shot-body { padding: 14px 16px 16px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.compare-col { padding: 22px; }
.compare-col.good { background: #f4fbf7; }
.compare-col.warn { background: #fff7f2; }
.compare-col ul { margin: 0; padding-left: 18px; color: var(--muted); }
.timeline { position: relative; margin-left: 10px; display: grid; gap: 0; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.node { position: relative; padding: 0 0 22px 32px; }
.node::before {
  content: ""; position: absolute; left: 1px; top: 6px; width: 13px; height: 13px; border-radius: 50%;
  background: #fff; border: 3px solid var(--gold);
}
.node time { color: var(--brand); font-weight: 800; font-size: .86rem; }
.node p { margin: 4px 0 0; color: var(--muted); }
.news-list { display: grid; gap: 12px; }
.news-item { display: grid; grid-template-columns: 168px 1fr; gap: 14px; padding: 10px; align-items: center; }
.news-item img { width: 168px; height: 112px; object-fit: cover; border-radius: 18px; }
.more-link { display: inline-flex; margin-top: 14px; font-weight: 800; color: var(--brand-deep); border-bottom: 1px solid var(--gold); }
.guard {
  border-radius: 36px;
  padding: 28px;
  color: #f7fff9;
  background:
    linear-gradient(180deg, rgba(12,59,48,.82), rgba(12,59,48,.9)),
    url("/assets/images/9fc6a51ee58d02ca.webp") center/cover no-repeat;
}
.guard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }
.guard-item { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.16); padding: 16px; box-shadow: none; }
.guard-item p { color: rgba(255,255,255,.84); }
.guard-item i { color: var(--gold-soft); font-size: 1.2rem; }
.log-list, .rank-list { display: grid; gap: 10px; }
.log-item, .rank-item { padding: 14px 16px; display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: center; }
.ver, .rank-no {
  min-width: 72px; text-align: center; font-weight: 800; color: var(--brand-deep);
  background: var(--gold-soft); border-radius: 999px; padding: .3rem .5rem;
}
.rank-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 14px; }
.quote-card { padding: 22px; background: var(--grad); color: #fff; }
.quote-card p { color: rgba(255,255,255,.92); font-size: 1.05rem; }
.stars { color: var(--gold-soft); letter-spacing: 2px; margin-bottom: 8px; }
.qa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.qa-item { padding: 16px 18px; }
.faq-list { display: grid; gap: 10px; max-width: 860px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 16px; }
.faq-item summary { cursor: pointer; font-weight: 750; padding: 14px 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); margin: 0 0 14px; }
.form-split { display: grid; grid-template-columns: .85fr 1.15fr; gap: 16px; align-items: stretch; }
.form-side { border-radius: var(--radius); overflow: hidden; min-height: 100%; position: relative; }
.form-side img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.form-side figcaption {
  position: absolute; left: 16px; right: 16px; bottom: 16px;
  color: #fff; background: rgba(12,59,48,.72); border-radius: 18px; padding: 12px 14px;
}
.form-panel { padding: 22px; }
label { display: block; font-weight: 700; font-size: .9rem; margin-bottom: 6px; }
.field { margin-bottom: 12px; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); background: #f8fbf9;
  border-radius: 14px; padding: .78rem .85rem; color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(18,122,91,.35); border-color: var(--brand); background: #fff;
}
.check { display: flex; gap: 8px; align-items: flex-start; font-weight: 600; color: var(--muted); }
.check input { width: auto; margin-top: 4px; }
.form-result { margin-top: 12px; background: var(--mist); border-radius: 16px; padding: 12px 14px; color: var(--brand-deep); }
.float-bar {
  position: fixed; left: 50%; bottom: 14px; transform: translateX(-50%);
  z-index: 45; display: flex; align-items: center; gap: 12px;
  background: rgba(12,59,48,.94); color: #fff;
  border-radius: 999px; padding: 8px 8px 8px 16px;
  box-shadow: var(--shadow); width: min(560px, calc(100% - 20px));
}
.float-bar span { font-weight: 650; font-size: .92rem; }
.site-footer { background: #081c17; color: #d7e6df; padding: 36px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: start; }
.site-footer .brand { color: #fff; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 14px; justify-content: flex-end; max-width: 640px; }
.site-footer nav a { color: #d7e6df; font-weight: 600; font-size: .9rem; }
.site-footer nav a:hover, .site-footer nav a:focus-visible { color: var(--gold-soft); }
.copy { border-top: 1px solid rgba(255,255,255,.12); margin-top: 18px; padding-top: 14px; color: #b7c9c1; font-size: .88rem; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
@media (max-width: 1024px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none; position: absolute; top: calc(100% + 8px); right: 0; left: 0;
    background: #fff; border: 1px solid var(--line); border-radius: 22px;
    padding: 12px; flex-direction: column; box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .metric-row, .step-rail, .guard-grid { grid-template-columns: 1fr 1fr; }
  .bento { grid-template-columns: 1fr 1fr; grid-auto-rows: 180px; }
  .bento a:first-child { grid-row: auto; min-height: 220px; }
  .matrix, .progress-wrap, .compare, .rank-layout, .form-split, .band-head, .qa-grid { grid-template-columns: 1fr; }
  .wall { columns: 2; }
}
@media (max-width: 768px) {
  :root { --space: 52px; }
  .news-item { grid-template-columns: 1fr; }
  .news-item img { width: 100%; height: 180px; }
  .cta-bar, .foot-grid { grid-template-columns: 1fr; display: grid; }
  .site-footer nav { justify-content: flex-start; }
  .hero-inner { padding: 36px 0 28px; }
}
@media (max-width: 520px) {
  .container { width: min(100% - 20px, 1180px); }
  .metric-row, .step-rail, .guard-grid, .bento, .wall { grid-template-columns: 1fr; columns: 1; }
  .wall { display: grid; }
  .hero { border-bottom-left-radius: 24px; border-bottom-right-radius: 24px; }
  .float-bar { border-radius: 20px; align-items: stretch; flex-direction: column; }
  h1 { font-size: 1.85rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}

/* roulang page: category2 */
:root {
 --ink: #173028;
 --muted: #5d6e66;
 --bg: #f3f7f4;
 --paper: #ffffff;
 --line: rgba(23, 48, 40, .12);
 --brand: #127a5b;
 --brand-deep: #0c3b30;
 --gold: #c8962e;
 --gold-soft: #f4e2b4;
 --mist: #e7f2ec;
 --danger: #9a3d32;
 --radius: 28px;
 --radius-sm: 16px;
 --shadow: 0 18px 48px rgba(12, 59, 48, .12);
 --shadow-soft: 0 10px 28px rgba(12, 59, 48, .08);
 --grad: linear-gradient(135deg, #0c3b30 0%, #127a5b 52%, #e0b45a 140%);
 --space: 72px;
 --font: "Be Vietnam Pro", sans-serif;
}
:root { --space: 52px; }
/* roulang page: ti-ios */
:root {
 --ink: #173028;
 --muted: #5d6e66;
 --bg: #f3f7f4;
 --paper: #ffffff;
 --line: rgba(23, 48, 40, .12);
 --brand: #127a5b;
 --brand-deep: #0c3b30;
 --gold: #c8962e;
 --gold-soft: #f4e2b4;
 --mist: #e7f2ec;
 --danger: #9a3d32;
 --radius: 28px;
 --radius-sm: 16px;
 --shadow: 0 18px 48px rgba(12, 59, 48, .12);
 --shadow-soft: 0 10px 28px rgba(12, 59, 48, .08);
 --grad: linear-gradient(135deg, #0c3b30 0%, #127a5b 52%, #e0b45a 140%);
 --space: 72px;
 --font: "Be Vietnam Pro", sans-serif;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: var(--font);
 color: var(--ink);
 background: var(--bg);
 line-height: 1.65;
 font-size: 16px;
 padding-bottom: 96px;
 overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.container {
 width: min(1180px, calc(100% - 32px));
 max-width: 1180px;
 margin: 0 auto;
 padding-left: 0;
 padding-right: 0;
}
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 background: rgba(255,255,255,.9);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid var(--line);
}
.nav-shell {
 min-height: 78px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
 position: relative;
}
.brand {
 font-weight: 800;
 letter-spacing: -.03em;
 color: var(--brand-deep);
 font-size: 1.02rem;
 max-width: 280px;
 line-height: 1.25;
}
.brand small { display: block; font-weight: 600; color: var(--gold); letter-spacing: .14em; font-size: .68rem; text-transform: uppercase; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .2rem .95rem; }
.site-nav a {
 position: relative;
 color: var(--ink);
 font-size: .9rem;
 font-weight: 600;
 padding: .35rem 0;
 background: transparent;
}
.site-nav a::after {
 content: "";
 position: absolute;
 left: 0; right: 100%; bottom: 0;
 height: 1.5px;
 background: var(--brand);
 transition: right .2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.active::after { right: 0; }
.site-nav a.active { color: var(--brand-deep); }
.site-nav a.active::before {
 content: "";
 width: 6px; height: 6px; border-radius: 50%;
 background: var(--gold);
 display: inline-block;
 margin-right: 6px;
 transform: translateY(-1px);
}
.nav-toggle {
 display: none;
 width: 46px; height: 46px;
 border-radius: 50%;
 border: 1px solid var(--line);
 background: #fff;
 align-items: center;
 justify-content: center;
 flex-direction: column;
 gap: 5px;
 cursor: pointer;
}
.nav-toggle span { width: 16px; height: 1.5px; background: var(--brand-deep); display: block; }
.nav-toggle:hover, .nav-toggle:focus-visible { box-shadow: var(--shadow-soft); }
.nav-toggle[aria-expanded="true"] { background: var(--mist); }
.hero {
 position: relative;
 overflow: hidden;
 color: #f6fff9;
 border-bottom-left-radius: 42px;
 border-bottom-right-radius: 42px;
 margin-bottom: 8px;
}
.hero-bg {
 position: absolute; inset: 0;
 background:
 radial-gradient(820px 320px at 8% 0%, rgba(232, 190, 106, .42), transparent 62%),
 radial-gradient(680px 300px at 92% 10%, rgba(18, 122, 91, .48), transparent 60%),
 linear-gradient(180deg, rgba(8, 32, 26, .42), rgba(8, 32, 26, .78)),
 url("/assets/images/264dcf862623a722.webp") center/cover no-repeat;
}
.hero-inner { position: relative; padding: 54px 0 42px; max-width: 860px; }
.brand-kicker, .band-kicker {
 display: inline-flex; align-items: center; gap: 8px;
 font-weight: 700; letter-spacing: .02em;
 color: var(--gold-soft); margin-bottom: 12px;
}
.hero .lead { font-size: 1.05rem; max-width: 740px; color: rgba(246,255,249,.92); margin: 16px 0 20px; }
.ingredients li, .pill, .heat {
 border-radius: 999px;
 padding: .42rem .8rem;
 background: rgba(255,255,255,.14);
 border: 1px solid rgba(255,255,255,.24);
 font-size: .86rem;
 font-weight: 600;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-main, .btn-ghost, .btn-gold {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 border-radius: 999px; padding: .86rem 1.25rem;
 font-weight: 700; border: 1px solid transparent;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
 cursor: pointer;
}
.btn-main { background: var(--grad); color: #fff; box-shadow: var(--shadow-soft); }
.btn-gold { background: var(--gold); color: #1d1606; }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn-main:hover, .btn-gold:hover, .btn-ghost:hover,
.btn-main:focus-visible, .btn-gold:focus-visible, .btn-ghost:focus-visible {
 transform: translateY(-2px); box-shadow: var(--shadow);
}
.btn-main:active, .btn-gold:active, .btn-ghost:active { transform: translateY(0); }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric-card, .matrix-main, .matrix-side article, .shot, .compare-col, .news-item, .log-item, .quote-card, .qa-item, .form-panel, .bento a, .pain-item, .step-card, .guard-item {
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
}
.metric-card { padding: 18px 18px 16px; position: relative; overflow: hidden; }
.metric-card strong { display: block; font-size: 1.7rem; letter-spacing: -.03em; color: var(--brand-deep); }
.metric-card span { color: var(--muted); font-size: .92rem; }
.metric-card i { position: absolute; right: 14px; top: 14px; color: var(--gold); }
.metric-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease; }
.bento a {
 position: relative; overflow: hidden; color: #fff; padding: 18px;
 display: flex; flex-direction: column; justify-content: flex-end;
 min-height: 160px;
 background-size: cover; background-position: center;
}
.bento a::before {
 content: ""; position: absolute; inset: 0;
 background: linear-gradient(180deg, rgba(8,28,22,.05), rgba(8,28,22,.78));
}
.bento a:first-child { grid-row: span 2; min-height: 334px; }
.bento a > * { position: relative; z-index: 1; }
.cta-bar {
 display: grid; grid-template-columns: 1.4fr auto; gap: 18px; align-items: center;
 padding: 22px;
 border-radius: 32px;
 color: #f7fff9;
 background:
 linear-gradient(100deg, rgba(12,59,48,.88), rgba(18,122,91,.78)),
 url("/assets/images/3f05d35a9a9c5bc3.webp") center/cover no-repeat;
 box-shadow: var(--shadow);
}
.cta-bar p { margin: 0; color: rgba(247,255,249,.9); }
.pain-list { display: grid; gap: 12px; }
.pain-item { display: grid; grid-template-columns: auto 1fr; gap: 14px; padding: 16px 18px; align-items: start; }
.pain-item p { margin: 0; color: var(--muted); }
.matrix-main { padding: 22px; background: var(--grad); color: #f7fff9; }
.matrix-side { display: grid; gap: 16px; }
.matrix-side article, .shot, .compare-col, .news-item, .log-item, .quote-card, .qa-item, .form-panel, .step-card, .guard-item { padding: 18px; }
.shot img, .news-item img { border-radius: 18px; object-fit: cover; }
.site-footer {
 background: #081c17;
 color: rgba(246,255,249,.86);
 padding: 36px 0 28px;
 margin-top: 12px;
}
.site-footer .brand { color: #fff; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 16px; justify-content: flex-end; max-width: 640px; }
.site-footer nav a { color: rgba(246,255,249,.82); font-weight: 600; font-size: .92rem; }
.site-footer nav a:hover { color: var(--gold-soft); }
.copy { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(246,255,249,.66); font-size: .9rem; }
.band { padding: var(--space) 0; }
.band-head { max-width: 720px; margin-bottom: 22px; }
.band-head h2 { margin: 0 0 8px; letter-spacing: -.03em; font-size: clamp(1.45rem, 2vw, 2rem); color: var(--brand-deep); }
.band-head p { margin: 0; color: var(--muted); }
.band-kicker { color: var(--gold); }
.tag {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px; padding: .28rem .7rem;
 background: var(--gold-soft); color: #5c4308;
 font-size: .78rem; font-weight: 800;
}
.ios-hero { padding: 28px 0 10px; }
.ios-hero-card {
 position: relative;
 overflow: hidden;
 border-radius: 36px;
 color: #f7fff9;
 min-height: 520px;
 box-shadow: var(--shadow);
}
.ios-hero-bg {
 position: absolute; inset: 0;
 background:
 linear-gradient(105deg, rgba(8,28,22,.9) 0%, rgba(8,28,22,.72) 46%, rgba(8,28,22,.28) 100%),
 url("/assets/images/9fc6a51ee58d02ca.webp") center/cover no-repeat;
}
.ios-hero-grid {
 position: relative;
 z-index: 1;
 display: grid;
 grid-template-columns: 1.15fr .85fr;
 gap: 28px;
 padding: 42px 8px 36px;
 align-items: center;
}
.ios-hero h1 { margin: 0; font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.12; letter-spacing: -.04em; max-width: 640px; }
.ios-hero .lead { margin: 14px 0 18px; color: rgba(247,255,249,.9); font-size: 1.05rem; max-width: 620px; }
.pill-row, .hero-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.slot-board {
 background: rgba(255,255,255,.1);
 border: 1px solid rgba(255,255,255,.2);
 border-radius: 30px;
 padding: 16px;
 backdrop-filter: blur(8px);
}
.slot-board h2 { font-size: 1.05rem; margin: 0 0 6px; }
.slot-board p { margin: 0 0 12px; color: rgba(247,255,249,.82); font-size: .92rem; }
.slot {
 width: 100%;
 text-align: left;
 border-radius: 18px;
 border: 1px solid rgba(255,255,255,.18);
 background: rgba(8,28,22,.28);
 color: #fff;
 padding: 12px 14px;
 margin-bottom: 8px;
 display: flex;
 justify-content: space-between;
 gap: 12px;
 cursor: pointer;
 transition: background .2s ease, transform .2s ease, border-color .2s ease;
}
.slot strong { display: block; }
.slot span { display: block; color: rgba(255,255,255,.75); font-size: .82rem; font-weight: 500; }
.slot em { font-style: normal; color: var(--gold-soft); font-weight: 800; font-size: .82rem; }
.slot:hover, .slot:focus-visible { transform: translateY(-2px); border-color: var(--gold-soft); }
.slot.active, .slot:active { background: rgba(244,226,180,.18); border-color: var(--gold); }
.device-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.band.mist { background: linear-gradient(180deg, rgba(231,242,236,.7), rgba(243,247,244,0)); }
.band.paper { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.route-grid { display: grid; grid-template-columns: 1.35fr .75fr; gap: 16px; align-items: stretch; }
.matrix-main h3, .matrix-side h3, .compare-col h3, .step-card h3, .guard-item h3, .qa-item h3 { margin: 8px 0; letter-spacing: -.02em; }
.matrix-main p, .matrix-side p { color: inherit; }
.matrix-main .soft { color: rgba(247,255,249,.86); }
.steps { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; }
.steps li { display: grid; grid-template-columns: 34px 1fr; gap: 10px; align-items: start; }
.steps b {
 width: 34px; height: 34px; border-radius: 50%;
 display: grid; place-items: center;
 background: rgba(255,255,255,.16);
}
.matrix-side article p { color: var(--muted); margin-bottom: 0; }
.side-photo { width: 100%; height: 148px; object-fit: cover; border-radius: 18px; margin-bottom: 12px; }
.compare-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-col ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.compare-col li { display: grid; grid-template-columns: 22px 1fr; gap: 8px; }
.compare-col.good { background: var(--brand-deep); color: #f7fff9; }
.compare-col.good p, .compare-col .muted { color: var(--muted); }
.compare-col.good .muted { color: rgba(247,255,249,.78); }
.mile-grid { display: grid; grid-template-columns: 1.15fr .7fr; gap: 18px; align-items: start; }
.step-card { position: relative; padding: 18px 18px 18px 74px; margin-bottom: 12px; }
.step-card .n {
 position: absolute; left: 16px; top: 18px;
 width: 40px; height: 40px; border-radius: 50%;
 display: grid; place-items: center;
 background: var(--gold-soft); color: var(--brand-deep); font-weight: 800;
}
.step-card p { margin: 0; color: var(--muted); }
.fall { display: grid; gap: 12px; }
.fall img { width: 100%; height: 230px; object-fit: cover; border-radius: 24px; box-shadow: var(--shadow-soft); }
.fall img:last-child { height: 170px; }
.news-list { display: grid; gap: 12px; }
.news-item { display: grid; grid-template-columns: 112px 1fr auto; gap: 14px; align-items: center; }
.news-item img { width: 112px; height: 148px; }
.news-item h3 { margin: 6px 0; font-size: 1.08rem; }
.news-item p { margin: 0; color: var(--muted); }
.rank { font-weight: 800; color: var(--brand); font-size: 1.2rem; }
.guard-band {
 border-radius: 36px;
 padding: 28px;
 color: #f7fff9;
 background:
 linear-gradient(120deg, rgba(8,28,22,.9), rgba(18,122,91,.78)),
 url("/assets/images/40332e0fc3b39e6a.webp") center/cover no-repeat;
 box-shadow: var(--shadow);
}
.guard-band .band-head h2, .guard-band .band-head p { color: #f7fff9; }
.guard-band .band-head p { color: rgba(247,255,249,.84); }
.guard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.guard-item h3 { color: var(--brand-deep); }
.guard-item p { margin: 0; color: var(--muted); }
.faq-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.accordion { display: grid; gap: 10px; }
.accordion-item { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: #fff; box-shadow: var(--shadow-soft); }
.accordion-button {
 font-weight: 700;
 color: var(--brand-deep);
 background: #fff;
 box-shadow: none;
 padding: 16px 18px;
}
.accordion-button:not(.collapsed) { background: var(--mist); color: var(--brand-deep); }
.accordion-button:focus { box-shadow: none; border-color: transparent; }
.accordion-button::after { filter: hue-rotate(80deg); }
.accordion-body { color: var(--muted); padding: 0 18px 16px; }
.qa-stack { display: grid; gap: 12px; }
.qa-item p { margin: 0; color: var(--muted); }
.lead-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 16px; align-items: stretch; }
.lead-visual { position: relative; min-height: 100%; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.lead-visual img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; }
.lead-visual figcaption {
 position: absolute; left: 14px; right: 14px; bottom: 14px;
 background: rgba(8,28,22,.82); color: #fff;
 border-radius: 18px; padding: 12px 14px;
}
.form-panel label { font-weight: 700; color: var(--brand-deep); margin-bottom: 6px; }
.form-control, .form-select {
 border-radius: 14px;
 border: 1px solid var(--line);
 min-height: 48px;
 color: var(--ink);
 background: #fff;
}
.form-control:focus, .form-select:focus {
 border-color: var(--brand);
 box-shadow: 0 0 0 4px rgba(18,122,91,.14);
}
.form-note { color: var(--muted); font-size: .92rem; }
.form-ok { display: none; margin-top: 12px; padding: 12px 14px; border-radius: 16px; background: var(--mist); color: var(--brand-deep); font-weight: 600; }
.form-ok.show { display: block; }
.dock {
 position: fixed; left: 50%; bottom: 14px; transform: translateX(-50%);
 z-index: 40; width: min(760px, calc(100% - 18px));
 display: flex; justify-content: space-between; align-items: center; gap: 12px;
 padding: 10px 10px 10px 16px; border-radius: 999px;
 background: rgba(12,59,48,.95); color: #f7fff9; box-shadow: var(--shadow);
}
.dock b { display: block; line-height: 1.2; }
.dock span { color: rgba(247,255,249,.75); font-size: .82rem; }
@media (max-width: 1100px) {
 .site-nav { gap: .15rem .7rem; }
 .site-nav a { font-size: .84rem; }
 .brand { max-width: 220px; }
}
@media (max-width: 1024px) {
 .ios-hero-grid, .route-grid, .mile-grid, .faq-grid, .lead-grid { grid-template-columns: 1fr; }
 .metric-row { grid-template-columns: repeat(2, 1fr); }
 .news-item { grid-template-columns: 96px 1fr; }
 .rank { display: none; }
 .fall { grid-template-columns: 1fr 1fr; }
 .fall img, .fall img:last-child { height: 220px; }
}
@media (max-width: 768px) {
 .nav-toggle { display: flex; }
 .site-nav {
 display: none;
 position: absolute;
 top: calc(100% + 8px);
 right: 0; left: 0;
 flex-direction: column;
 gap: 0;
 padding: 8px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 22px;
 box-shadow: var(--shadow);
 }
 .site-nav.is-open { display: flex; }
 .site-nav a { padding: .78rem .85rem; }
 .guard-grid, .compare-wrap, .foot-grid { grid-template-columns: 1fr; display: grid; }
 .foot-grid { display: grid; }
 .site-footer nav { justify-content: flex-start; }
 .ios-hero-grid { padding: 28px 0 24px; }
 .news-item { grid-template-columns: 84px 1fr; }
 .news-item img { width: 84px; height: 112px; }
 .cta-bar { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
 .metric-row, .fall, .guard-grid { grid-template-columns: 1fr; }
 .ios-hero h1 { font-size: 1.85rem; }
 .slot { flex-direction: column; }
 .dock { border-radius: 22px; align-items: flex-start; }
 .dock .btn-gold { width: 100%; }
 .copy { flex-direction: column; }
 .lead-visual img { min-height: 240px; }
 .step-card { padding-left: 68px; }
}

/* roulang page: category1 */
:root {
 --ink: #173028;
 --muted: #5d6e66;
 --bg: #f3f7f4;
 --paper: #ffffff;
 --line: rgba(23, 48, 40, .12);
 --brand: #127a5b;
 --brand-deep: #0c3b30;
 --gold: #c8962e;
 --gold-soft: #f4e2b4;
 --mist: #e7f2ec;
 --danger: #9a3d32;
 --radius: 28px;
 --radius-sm: 16px;
 --shadow: 0 18px 48px rgba(12, 59, 48, .12);
 --shadow-soft: 0 10px 28px rgba(12, 59, 48, .08);
 --grad: linear-gradient(135deg, #0c3b30 0%, #127a5b 52%, #e0b45a 140%);
 --space: 72px;
 --font: "Be Vietnam Pro", sans-serif;
 --bs-primary: #127a5b;
 --bs-body-font-family: "Be Vietnam Pro", sans-serif;
 --bs-body-color: #173028;
 --bs-body-bg: #f3f7f4;
 --bs-border-color: rgba(23, 48, 40, .12);
 --bs-border-radius: 16px;
 --bs-link-color: #0c3b30;
 --bs-link-hover-color: #127a5b;
}
:root { --space: 52px; }
/* roulang page: category1 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: var(--font);
 color: var(--ink);
 background:
  radial-gradient(900px 280px at 100% -40px, rgba(200, 150, 46, .16), transparent 60%),
  var(--bg);
 line-height: 1.65;
 font-size: 16px;
 padding-bottom: 92px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 3px solid rgba(200, 150, 46, .55);
 outline-offset: 2px;
}
.container {
 width: min(1180px, calc(100% - 32px)) !important;
 max-width: 1180px !important;
 margin: 0 auto;
 padding-left: 12px;
 padding-right: 12px;
}
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 background: rgba(255,255,255,.9);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid var(--line);
}
.nav-shell {
 min-height: 78px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
 position: relative;
}
.brand {
 font-weight: 800;
 letter-spacing: -.03em;
 color: var(--brand-deep);
 font-size: 1.02rem;
 max-width: 280px;
 line-height: 1.25;
}
.brand small {
 display: block;
 font-weight: 600;
 color: var(--gold);
 letter-spacing: .14em;
 font-size: .68rem;
 text-transform: uppercase;
}
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .2rem .95rem; }
.site-nav a {
 position: relative;
 color: var(--ink);
 font-size: .9rem;
 font-weight: 600;
 padding: .35rem 0;
 background: transparent;
}
.site-nav a::after {
 content: "";
 position: absolute;
 left: 0; right: 100%; bottom: 0;
 height: 1.5px;
 background: var(--brand);
 transition: right .2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.active::after { right: 0; }
.site-nav a.active { color: var(--brand-deep); }
.site-nav a.active::before {
 content: "";
 width: 6px; height: 6px; border-radius: 50%;
 background: var(--gold);
 display: inline-block;
 margin-right: 6px;
 transform: translateY(-1px);
}
.nav-toggle {
 display: none;
 width: 46px; height: 46px;
 border-radius: 50%;
 border: 1px solid var(--line);
 background: #fff;
 align-items: center;
 justify-content: center;
 flex-direction: column;
 gap: 5px;
 cursor: pointer;
}
.nav-toggle span { width: 16px; height: 1.5px; background: var(--brand-deep); display: block; }
.nav-toggle:hover, .nav-toggle:focus-visible { box-shadow: var(--shadow-soft); }
.nav-toggle[aria-expanded="true"] { background: var(--mist); }
.band { padding: var(--space) 0; }
.band-mist { background: linear-gradient(180deg, rgba(255,255,255,.7), rgba(231,242,236,.9)); }
.band-head { max-width: 720px; margin-bottom: 22px; }
.band-head h2, .split-copy h2, .dark-copy h2 {
 margin: 0 0 8px;
 font-size: clamp(1.45rem, 2vw, 2rem);
 letter-spacing: -.03em;
 line-height: 1.25;
 color: var(--brand-deep);
}
.band-head p, .split-copy p, .lead-soft { margin: 0; color: var(--muted); }
.kicker {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 font-size: .78rem;
 font-weight: 700;
 letter-spacing: .08em;
 text-transform: uppercase;
 color: var(--brand);
 margin-bottom: 8px;
}
.android-hero { position: relative; overflow: hidden; color: #f6fff9; border-bottom-left-radius: 42px; border-bottom-right-radius: 42px; }
.android-hero .bg {
 position: absolute; inset: 0;
 background:
  radial-gradient(680px 280px at 12% 0%, rgba(232,190,106,.35), transparent 62%),
  linear-gradient(105deg, rgba(8,32,26,.9) 8%, rgba(8,32,26,.72) 46%, rgba(8,32,26,.42) 100%),
  url("/assets/images/9e6b811df278d043.webp") center/cover no-repeat;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: center; padding: 48px 0 42px; }
.android-hero h1 { margin: 0; font-size: clamp(1.9rem, 4vw, 3.15rem); line-height: 1.12; letter-spacing: -.04em; max-width: 680px; }
.android-hero .lead { margin: 14px 0 18px; max-width: 640px; color: rgba(246,255,249,.92); font-size: 1.05rem; }
.hero-actions, .chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip, .tag, .heat {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px; padding: .38rem .75rem;
 font-size: .82rem; font-weight: 700;
}
.chip, .heat { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.24); color: #fff; }
.tag { background: var(--gold-soft); color: #5c4310; }
.tag.green { background: var(--mist); color: var(--brand-deep); }
.tag.hot { background: #f8d7d2; color: var(--danger); }
.btn-main, .btn-ghost, .btn-gold {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 border-radius: 999px; padding: .86rem 1.25rem;
 font-weight: 700; border: 1px solid transparent;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
 cursor: pointer; text-align: center;
}
.btn-main { background: var(--grad); color: #fff; box-shadow: var(--shadow-soft); }
.btn-gold { background: var(--gold); color: #1d1606; }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn-main:hover, .btn-gold:hover, .btn-ghost:hover,
.btn-main:focus-visible, .btn-gold:focus-visible, .btn-ghost:focus-visible { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-main:active, .btn-gold:active, .btn-ghost:active { transform: translateY(0); }
.spec-card, .metric-card, .step, .tier, .rank-item, .log-card, .qa-wrap, .form-panel, .note-card {
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
}
.spec-card { padding: 14px; color: var(--ink); }
.spec-card img { width: 100%; height: 210px; object-fit: cover; border-radius: 20px; }
.spec-list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.spec-list li { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line); font-size: .92rem; }
.spec-list strong { color: var(--brand-deep); }
.spec-list span { color: var(--muted); }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric-card { padding: 18px 18px 16px; position: relative; overflow: hidden; min-height: 132px; transition: transform .2s ease, box-shadow .2s ease; }
.metric-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.metric-card strong { display: block; font-size: 1.55rem; letter-spacing: -.03em; color: var(--brand-deep); line-height: 1.2; }
.metric-card span { color: var(--muted); font-size: .92rem; }
.metric-card i { position: absolute; right: 14px; top: 14px; color: var(--gold); font-size: 1.15rem; }
.rail { display: grid; gap: 0; }
.step { display: grid; grid-template-columns: 84px 1fr; gap: 8px; padding: 16px 18px; margin-bottom: 12px; }
.step:hover { border-color: rgba(18,122,91,.35); }
.num {
 width: 64px; height: 64px; border-radius: 20px;
 display: grid; place-items: center;
 background: var(--grad); color: #fff; font-weight: 800;
}
.step h3, .tier h3, .rank-item h3, .log-side h3 { margin: 0 0 4px; font-size: 1.05rem; color: var(--brand-deep); }
.step p, .tier p, .rank-item p, .log-side p, .note-card p { margin: 0; color: var(--muted); }
.tier-stack { display: grid; gap: 12px; }
.tier { display: grid; grid-template-columns: 148px 1.4fr .8fr auto; gap: 16px; align-items: center; padding: 16px 18px; }
.tier.is-live { background: var(--grad); color: #f7fff9; border-color: transparent; }
.tier.is-live h3, .tier.is-live p, .tier.is-live .tier-meta { color: rgba(247,255,249,.92); }
.tier-meta { color: var(--muted); font-size: .88rem; }
.bar { height: 8px; border-radius: 99px; background: rgba(23,48,40,.08); overflow: hidden; }
.tier.is-live .bar { background: rgba(255,255,255,.2); }
.bar span { display: block; height: 100%; border-radius: inherit; background: var(--gold); }
.perm-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 22px; align-items: center; }
.perm-grid img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.checklist li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; }
.checklist i { color: var(--brand); margin-top: 3px; }
.checklist strong { display: block; color: var(--brand-deep); }
.rank-list { display: grid; gap: 10px; }
.rank-item { display: grid; grid-template-columns: 64px 1fr auto; gap: 14px; align-items: center; padding: 14px 16px; }
.rank-item:hover { transform: translateX(3px); transition: transform .2s ease; }
.rank-no { font-size: 1.4rem; font-weight: 800; color: var(--gold); letter-spacing: -.04em; }
.log-layout { display: grid; grid-template-columns: 280px 1fr; gap: 18px; align-items: stretch; }
.log-card { overflow: hidden; position: relative; min-height: 420px; color: #fff; }
.log-card img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.log-card .shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,28,22,.05), rgba(8,28,22,.82)); }
.log-card .cap { position: absolute; left: 16px; right: 16px; bottom: 16px; }
.log-card h3 { margin: 8px 0 0; font-size: 1.35rem; }
.log-side { display: grid; gap: 12px; }
.log-side article { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; box-shadow: var(--shadow-soft); }
.log-side time { color: var(--gold); font-weight: 700; font-size: .82rem; }
.qa-layout { display: grid; grid-template-columns: 1.35fr .65fr; gap: 18px; align-items: start; }
.accordion { --bs-accordion-border-color: transparent; --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(18,122,91,.2); }
.accordion-item { border: 1px solid var(--line) !important; border-radius: var(--radius-sm) !important; overflow: hidden; margin-bottom: 10px; background: #fff; box-shadow: var(--shadow-soft); }
.accordion-button { font-weight: 700; color: var(--brand-deep); background: #fff; }
.accordion-button:not(.collapsed) { background: var(--mist); color: var(--brand-deep); box-shadow: none; }
.accordion-button::after { filter: hue-rotate(80deg); }
.accordion-body { color: var(--muted); }
.note-card { padding: 18px; background: var(--brand-deep); color: #f4fff8; border: 0; }
.note-card p { color: rgba(244,255,248,.86); }
.note-card strong { color: var(--gold-soft); }
.form-panel {
 padding: 22px;
 background:
  linear-gradient(120deg, rgba(12,59,48,.92), rgba(18,122,91,.84)),
  url("/assets/images/40332e0fc3b39e6a.webp") center/cover no-repeat;
 color: #f7fff9;
 border: 0;
}
.form-panel h2 { color: #fff; margin: 0 0 8px; letter-spacing: -.03em; }
.form-panel .lead-soft { color: rgba(247,255,249,.88); margin-bottom: 16px; }
.form-panel .form-label { font-weight: 700; color: #f7fff9; }
.form-panel .form-control, .form-panel .form-select {
 border-radius: 14px;
 border: 1px solid rgba(255,255,255,.2);
 background: rgba(255,255,255,.96);
 min-height: 48px;
}
.form-panel textarea.form-control { min-height: 120px; }
.form-panel .form-control:focus, .form-panel .form-select:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200,150,46,.25); }
.form-note { margin-top: 12px; background: rgba(255,255,255,.14); border-radius: 16px; padding: 12px 14px; }
.site-footer { margin-top: 12px; padding: 36px 0 28px; background: var(--brand-deep); color: #e7f6ef; }
.site-footer a { color: #e7f6ef; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.12); }
.site-footer .brand { color: #fff; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 16px; justify-content: flex-end; max-width: 680px; }
.site-footer nav a { font-weight: 600; font-size: .92rem; border-bottom: 1px solid transparent; }
.site-footer nav a:hover, .site-footer nav a:focus-visible { border-bottom-color: var(--gold); color: var(--gold-soft); }
.copy { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 16px; color: rgba(231,246,239,.75); font-size: .9rem; }
.dock {
 position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
 background: rgba(255,255,255,.94);
 backdrop-filter: blur(12px);
 border-top: 1px solid var(--line);
 box-shadow: 0 -10px 30px rgba(12,59,48,.08);
}
.dock-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.dock strong { display: block; color: var(--brand-deep); }
.dock span { color: var(--muted); font-size: .88rem; }
.crumb { display: flex; gap: 8px; align-items: center; color: rgba(246,255,249,.8); font-size: .86rem; margin-bottom: 12px; }
.crumb a { border-bottom: 1px solid rgba(255,255,255,.35); }
@media (max-width: 1024px) {
 .metric-row, .tier { grid-template-columns: 1fr 1fr; }
 .tier .btn-main, .tier .btn-ghost { grid-column: 1 / -1; }
 .log-layout, .qa-layout, .perm-grid, .hero-grid { grid-template-columns: 1fr; }
 .log-card { min-height: 360px; }
}
@media (max-width: 768px) {
 .nav-toggle { display: flex; }
 .site-nav {
  display: none;
  position: absolute;
  top: calc(100% + 1px);
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  background: #fff;
  border-bottom: 1px solid var(--line);
  flex-direction: column;
  padding: 8px 18px 16px;
  box-shadow: var(--shadow-soft);
  gap: 0;
 }
 .site-nav.open { display: flex; }
 .site-nav a { padding: .75rem 0; border-bottom: 1px solid var(--line); }
 .metric-row, .step, .rank-item, .foot-grid, .dock-inner { grid-template-columns: 1fr; display: grid; }
 .foot-grid, .dock-inner { display: flex; flex-direction: column; align-items: flex-start; }
 .site-footer nav { justify-content: flex-start; }
 .hero-grid { padding: 32px 0 28px; }
 .android-hero { border-bottom-left-radius: 28px; border-bottom-right-radius: 28px; }
}
@media (max-width: 520px) {
 body { padding-bottom: 132px; }
 .metric-row, .tier { grid-template-columns: 1fr; }
 .step { grid-template-columns: 1fr; }
 .hero-actions .btn-gold, .hero-actions .btn-ghost, .dock .btn-gold { width: 100%; }
 .band { padding: 36px 0; }
 .spec-card img, .perm-grid img { height: 220px; min-height: 0; }
 .copy { flex-direction: column; }
}

/* roulang page: category3 */
:root {
 --ink: #173028;
 --muted: #5d6e66;
 --bg: #f3f7f4;
 --paper: #ffffff;
 --line: rgba(23, 48, 40, .12);
 --brand: #127a5b;
 --brand-deep: #0c3b30;
 --gold: #c8962e;
 --gold-soft: #f4e2b4;
 --mist: #e7f2ec;
 --danger: #9a3d32;
 --radius: 28px;
 --radius-sm: 16px;
 --shadow: 0 18px 48px rgba(12, 59, 48, .12);
 --shadow-soft: 0 10px 28px rgba(12, 59, 48, .08);
 --grad: linear-gradient(135deg, #0c3b30 0%, #127a5b 52%, #e0b45a 140%);
 --space: 72px;
 --font: "Be Vietnam Pro", sans-serif;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: var(--font);
 color: var(--ink);
 background:
  radial-gradient(900px 280px at 100% 0%, rgba(200,150,46,.16), transparent 60%),
  var(--bg);
 line-height: 1.65;
 font-size: 16px;
 padding-bottom: 96px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
::selection { background: #d7f0e4; color: var(--brand-deep); }
.container {
 width: min(1180px, calc(100% - 8px));
 max-width: 1180px;
 margin: 0 auto;
 padding-left: 16px;
 padding-right: 16px;
}
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 background: rgba(255,255,255,.9);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid var(--line);
}
.nav-shell {
 min-height: 78px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
 position: relative;
}
.brand {
 font-weight: 800;
 letter-spacing: -.03em;
 color: var(--brand-deep);
 font-size: 1.02rem;
 max-width: 280px;
 line-height: 1.25;
}
.brand small { display: block; font-weight: 600; color: var(--gold); letter-spacing: .14em; font-size: .68rem; text-transform: uppercase; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .2rem .95rem; }
.site-nav a {
 position: relative;
 color: var(--ink);
 font-size: .9rem;
 font-weight: 600;
 padding: .35rem 0;
 background: transparent;
}
.site-nav a::after {
 content: "";
 position: absolute;
 left: 0; right: 100%; bottom: 0;
 height: 1.5px;
 background: var(--brand);
 transition: right .2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.active::after { right: 0; }
.site-nav a.active { color: var(--brand-deep); }
.site-nav a.active::before {
 content: "";
 width: 6px; height: 6px; border-radius: 50%;
 background: var(--gold);
 display: inline-block;
 margin-right: 6px;
 transform: translateY(-1px);
}
.nav-toggle {
 display: none;
 width: 46px; height: 46px;
 border-radius: 50%;
 border: 1px solid var(--line);
 background: #fff;
 align-items: center;
 justify-content: center;
 flex-direction: column;
 gap: 5px;
 cursor: pointer;
}
.nav-toggle span { width: 16px; height: 1.5px; background: var(--brand-deep); display: block; }
.nav-toggle:hover, .nav-toggle:focus-visible { box-shadow: var(--shadow-soft); }
.btn-main, .btn-ghost, .btn-gold {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 border-radius: 999px; padding: .86rem 1.25rem;
 font-weight: 700; border: 1px solid transparent;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
 cursor: pointer;
 text-decoration: none;
}
.btn-main { background: var(--grad); color: #fff; box-shadow: var(--shadow-soft); }
.btn-gold { background: var(--gold); color: #1d1606; }
.btn-ghost { background: transparent; color: var(--brand-deep); border-color: rgba(12,59,48,.28); }
.btn-main:hover, .btn-gold:hover, .btn-ghost:hover,
.btn-main:focus-visible, .btn-gold:focus-visible, .btn-ghost:focus-visible {
 transform: translateY(-2px); box-shadow: var(--shadow);
}
.btn-main:active, .btn-gold:active, .btn-ghost:active { transform: translateY(0); }
.metric-card, .matrix-main, .matrix-side article, .compare-col, .news-item, .qa-item, .form-panel, .guard-item, .step-card {
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
}
.band { padding: var(--space) 0; }
.band-mist { background: linear-gradient(180deg, rgba(231,242,236,.7), rgba(243,247,244,0)); }
.band-paper { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { max-width: 720px; margin-bottom: 22px; }
.sec-head h2 { font-size: clamp(1.45rem, 2vw, 2rem); letter-spacing: -.03em; margin: 0 0 8px; color: var(--brand-deep); }
.sec-head p { margin: 0; color: var(--muted); }
.kicker {
 display: inline-flex; align-items: center; gap: 8px;
 color: var(--brand); font-weight: 700; font-size: .86rem; margin-bottom: 8px;
}
.heat, .pill {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px; padding: .35rem .75rem;
 font-size: .8rem; font-weight: 700;
}
.heat { background: #fff4d8; color: #7a5610; }
.pill { background: var(--mist); color: var(--brand-deep); border: 1px solid var(--line); }
.badge {
 background: var(--gold-soft) !important;
 color: #5c4310 !important;
 font-weight: 700;
 border-radius: 999px;
 padding: .42rem .72rem;
 letter-spacing: 0;
}
.apk-stage { padding: 34px 0 10px; }
.stage-copy h1 {
 font-size: clamp(2rem, 4vw, 3.35rem);
 line-height: 1.12;
 letter-spacing: -.04em;
 color: var(--brand-deep);
 margin: 8px 0 12px;
}
.stage-copy .lead { color: var(--muted); font-size: 1.05rem; margin-bottom: 16px; }
.crumb { color: var(--muted); font-size: .88rem; font-weight: 600; }
.crumb a:hover { color: var(--brand); }
.stage-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0; }
.kpi-row { display: flex; flex-wrap: wrap; gap: 8px; }
.stage-visual { position: relative; min-height: 420px; }
.stage-visual img {
 width: 100%;
 height: 480px;
 object-fit: cover;
 border-radius: 40px;
 transform: rotate(-3deg) translate(12px, 10px);
 box-shadow: var(--shadow);
 border: 6px solid #fff;
}
.float-kpi {
 position: absolute;
 left: -6px;
 bottom: 28px;
 width: min(260px, 80%);
 background: rgba(255,255,255,.94);
 border-radius: 22px;
 padding: 14px 16px;
 box-shadow: var(--shadow);
 transform: rotate(2deg);
 border: 1px solid var(--line);
}
.float-kpi strong { display: block; font-size: 1.35rem; color: var(--brand-deep); letter-spacing: -.03em; }
.float-kpi span { color: var(--muted); font-size: .88rem; }
.metric-card { padding: 18px 18px 16px; position: relative; overflow: hidden; height: 100%; transition: transform .2s ease, box-shadow .2s ease; }
.metric-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.metric-card strong { display: block; font-size: 1.7rem; letter-spacing: -.03em; color: var(--brand-deep); }
.metric-card span { color: var(--muted); font-size: .92rem; }
.metric-card i { position: absolute; right: 14px; top: 14px; color: var(--gold); font-size: 1.15rem; }
.matrix-main {
 padding: 0;
 overflow: hidden;
 color: #f6fff9;
 background:
  linear-gradient(160deg, rgba(8,32,26,.2), rgba(8,32,26,.82)),
  url("/assets/images/9fc6a51ee58d02ca.webp") center/cover no-repeat;
 min-height: 100%;
}
.matrix-main .inner { padding: 26px; }
.matrix-main h3 { font-size: 1.7rem; letter-spacing: -.03em; margin: 10px 0; }
.matrix-main p { color: rgba(246,255,249,.9); }
.matrix-main ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.matrix-main li { display: flex; gap: 10px; align-items: flex-start; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); border-radius: 16px; padding: 10px 12px; }
.matrix-side { display: grid; gap: 14px; height: 100%; }
.matrix-side article { padding: 0; overflow: hidden; }
.matrix-side img { width: 100%; height: 148px; object-fit: cover; }
.matrix-side div { padding: 16px 16px 18px; }
.matrix-side h3 { margin: 0 0 6px; font-size: 1.12rem; color: var(--brand-deep); }
.matrix-side p { margin: 0; color: var(--muted); }
.compare-col { padding: 22px; height: 100%; }
.compare-col.ok { background: linear-gradient(180deg, #f4fbf7, #fff); }
.compare-col.stop { background: linear-gradient(180deg, #fff6f3, #fff); }
.compare-col h3 { margin: 8px 0 10px; letter-spacing: -.02em; }
.compare-col ul { margin: 0; padding-left: 18px; color: var(--ink); }
.compare-col li + li { margin-top: 8px; }
.compare-visual { margin: -6px -6px 14px; border-radius: 20px; overflow: hidden; }
.compare-visual img { width: 100%; height: 180px; object-fit: cover; }
.rail { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; position: relative; }
.step-card { padding: 16px; min-height: 210px; position: relative; }
.step-card em {
 font-style: normal; font-weight: 800; color: var(--gold);
 font-size: .82rem; letter-spacing: .08em;
}
.step-card h3 { font-size: 1.05rem; margin: 8px 0; color: var(--brand-deep); }
.step-card p { margin: 0; color: var(--muted); font-size: .94rem; }
.step-card:hover { transform: translateY(-3px); transition: transform .2s ease; }
.news-list { display: grid; gap: 12px; }
.news-item {
 display: grid;
 grid-template-columns: 92px 1fr auto;
 gap: 14px;
 align-items: center;
 padding: 10px;
 transition: transform .2s ease, box-shadow .2s ease;
}
.news-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.news-item img { width: 92px; height: 122px; object-fit: cover; border-radius: 18px; }
.news-item h3 { margin: 0 0 4px; font-size: 1.05rem; }
.news-item p { margin: 0; color: var(--muted); font-size: .92rem; }
.rank {
 width: 46px; height: 46px; border-radius: 50%;
 display: grid; place-items: center;
 background: var(--grad); color: #fff; font-weight: 800;
}
.guard-wrap {
 border-radius: 36px;
 padding: 28px;
 color: #f7fff9;
 background:
  linear-gradient(110deg, rgba(12,59,48,.9), rgba(18,122,91,.78)),
  url("/assets/images/4ea256484b61fb4d.webp") center/cover no-repeat;
 box-shadow: var(--shadow);
}
.guard-wrap h2 { letter-spacing: -.03em; margin: 0 0 8px; }
.guard-wrap > p { color: rgba(247,255,249,.88); max-width: 680px; }
.guard-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; margin-top: 16px; }
.guard-item { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.16); color: #fff; padding: 16px; }
.guard-item strong { display: block; margin-bottom: 4px; }
.guard-item span { color: rgba(255,255,255,.84); font-size: .92rem; }
.qa-item { padding: 16px 18px; height: 100%; }
.qa-item h3 { font-size: 1.05rem; margin: 8px 0; color: var(--brand-deep); }
.qa-item p { margin: 0; color: var(--muted); }
.faq-form { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; align-items: start; }
.accordion-item {
 border: 1px solid var(--line) !important;
 border-radius: 18px !important;
 overflow: hidden;
 margin-bottom: 10px;
 background: #fff;
 box-shadow: var(--shadow-soft);
}
.accordion-button {
 background: #fff;
 color: var(--brand-deep);
 font-weight: 700;
 box-shadow: none !important;
 padding: 16px 18px;
}
.accordion-button:not(.collapsed) { background: var(--mist); color: var(--brand-deep); }
.accordion-button:focus { box-shadow: none; }
.accordion-body { color: var(--muted); }
.form-panel { padding: 20px; }
.form-panel h2 { font-size: 1.45rem; letter-spacing: -.03em; color: var(--brand-deep); margin: 0 0 6px; }
.field { margin-bottom: 12px; }
.field label { display: block; font-weight: 700; font-size: .9rem; margin-bottom: 6px; }
.field input, .field select, .field textarea {
 width: 100%;
 border: 1px solid var(--line);
 background: #f7fbf8;
 border-radius: 14px;
 padding: .85rem 1rem;
 color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
 outline: 2px solid rgba(18,122,91,.28);
 border-color: var(--brand);
 background: #fff;
}
.form-note {
 margin-top: 12px;
 background: var(--mist);
 border-radius: 14px;
 padding: 12px 14px;
 color: var(--brand-deep);
 font-weight: 600;
}
.site-footer {
 background: var(--brand-deep);
 color: #e7f6ef;
 padding: 36px 0 28px;
 margin-top: 12px;
}
.foot-grid {
 display: flex;
 justify-content: space-between;
 gap: 24px;
 align-items: flex-start;
 padding-bottom: 18px;
 border-bottom: 1px solid rgba(255,255,255,.12);
}
.site-footer .brand { color: #fff; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 16px; justify-content: flex-end; max-width: 680px; }
.site-footer nav a { color: rgba(255,255,255,.86); font-weight: 600; font-size: .92rem; }
.site-footer nav a:hover { color: var(--gold-soft); }
.copy { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 14px; color: rgba(255,255,255,.72); font-size: .88rem; }
.float-bar {
 position: fixed;
 left: 50%;
 bottom: 14px;
 transform: translateX(-50%);
 width: min(760px, calc(100% - 20px));
 z-index: 40;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
 padding: 10px 10px 10px 16px;
 border-radius: 999px;
 background: rgba(12, 59, 48, .94);
 color: #fff;
 box-shadow: var(--shadow);
 backdrop-filter: blur(10px);
}
.float-bar strong { display: block; font-size: .95rem; }
.float-bar span { color: rgba(255,255,255,.78); font-size: .82rem; }
.float-bar .btn-gold { padding: .7rem 1rem; }
@media (max-width: 1024px) {
 .nav-toggle { display: flex; }
 .site-nav {
  display: none;
  position: absolute;
  top: calc(100% + 1px);
  left: -16px;
  right: -16px;
  background: #fff;
  flex-direction: column;
  padding: 8px 20px 16px;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  gap: 0;
 }
 .site-nav.open { display: flex; }
 .site-nav a { padding: .75rem 0; border-bottom: 1px solid var(--line); }
 .stage-visual img { height: 380px; transform: none; }
 .rail { grid-template-columns: repeat(3, 1fr); }
 .guard-grid, .faq-form, .foot-grid { grid-template-columns: 1fr; display: grid; }
 .foot-grid { display: grid; }
 .site-footer nav { justify-content: flex-start; }
}
@media (max-width: 768px) {
 :root { --space: 48px; }
 .stage-visual { min-height: 0; margin-top: 8px; }
 .stage-visual img { height: 280px; }
 .float-kpi { position: static; transform: none; width: auto; margin-top: 12px; }
 .rail { grid-template-columns: 1fr 1fr; }
 .news-item { grid-template-columns: 74px 1fr; }
 .rank { display: none; }
 .copy { flex-direction: column; }
}
@media (max-width: 520px) {
 .rail { grid-template-columns: 1fr; }
 .news-item { grid-template-columns: 64px 1fr; }
 .news-item img { width: 64px; height: 86px; }
 .float-bar { border-radius: 22px; align-items: flex-start; flex-direction: column; }
 .stage-actions .btn-main, .stage-actions .btn-ghost { width: 100%; }
 .brand { font-size: .95rem; }
}

/* roulang page: category4 */
:root {
  --ink: #173028;
  --muted: #5d6e66;
  --bg: #f3f7f4;
  --paper: #ffffff;
  --line: rgba(23, 48, 40, .12);
  --brand: #127a5b;
  --brand-deep: #0c3b30;
  --gold: #c8962e;
  --gold-soft: #f4e2b4;
  --mist: #e7f2ec;
  --danger: #9a3d32;
  --radius: 28px;
  --radius-sm: 16px;
  --shadow: 0 18px 48px rgba(12, 59, 48, .12);
  --shadow-soft: 0 10px 28px rgba(12, 59, 48, .08);
  --grad: linear-gradient(135deg, #0c3b30 0%, #127a5b 52%, #e0b45a 140%);
  --space: 72px;
  --font: "Be Vietnam Pro", sans-serif;
}
/* roulang page: category4 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 280px at 100% -10%, rgba(200, 150, 46, .16), transparent 60%),
    var(--bg);
  line-height: 1.65;
  font-size: 16px;
  padding-bottom: 92px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-shell {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}
.brand {
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--brand-deep);
  font-size: 1.02rem;
  max-width: 280px;
  line-height: 1.25;
}
.brand small {
  display: block;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: .14em;
  font-size: .68rem;
  text-transform: uppercase;
}
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .2rem .95rem; }
.site-nav a {
  position: relative;
  color: var(--ink);
  font-size: .9rem;
  font-weight: 600;
  padding: .35rem 0;
  background: transparent;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1.5px;
  background: var(--brand);
  transition: right .2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.active::after { right: 0; }
.site-nav a.active { color: var(--brand-deep); }
.site-nav a.active::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold);
  display: inline-block;
  margin-right: 6px;
  transform: translateY(-1px);
}
.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span { width: 16px; height: 1.5px; background: var(--brand-deep); display: block; }
.nav-toggle[aria-expanded="true"] { background: var(--mist); }
main { display: block; }
.section { padding: var(--space) 0; }
.tint { background: rgba(255,255,255,.72); }
.mist { background: linear-gradient(180deg, rgba(231,242,236,.2), rgba(231,242,236,.95)); }
.section-head { max-width: 720px; margin-bottom: 28px; }
.section-head h2, .relogin-copy h1, .guard-copy h2, .form-copy h2 {
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.18;
  margin: 0 0 10px;
}
.section-head h2 { font-size: clamp(1.55rem, 2.5vw, 2.15rem); }
.section-head p, .lede, .guard-copy p, .form-copy p { color: var(--muted); margin: 0; }
.brand-kicker, .band-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; letter-spacing: .02em;
  margin-bottom: 12px;
}
.band-kicker { color: var(--brand); font-size: .92rem; }
.relogin-hero {
  position: relative;
  overflow: hidden;
  color: #f6fff9;
  border-bottom-left-radius: 42px;
  border-bottom-right-radius: 42px;
  background:
    radial-gradient(820px 320px at 8% 0%, rgba(232, 190, 106, .42), transparent 62%),
    linear-gradient(105deg, rgba(8,32,26,.94) 8%, rgba(8,32,26,.82) 48%, rgba(12,59,48,.62) 100%),
    url("/assets/images/9e6b811df278d043.webp") center/cover no-repeat;
}
.relogin-hero .brand-kicker { color: var(--gold-soft); }
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: 34px;
  align-items: center;
  padding: 58px 0 78px;
}
.relogin-copy h1 { font-size: clamp(2rem, 4.4vw, 3.45rem); max-width: 680px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; color: rgba(246,255,249,.78); font-size: .86rem; font-weight: 600; margin-bottom: 14px; }
.crumbs a { border-bottom: 1px solid rgba(244,226,180,.7); }
.one-line { font-size: 1.12rem; font-weight: 650; color: #fff; margin: 14px 0; max-width: 640px; }
.lede { color: rgba(246,255,249,.88); max-width: 640px; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.pill, .heat, .data-badge {
  border-radius: 999px;
  padding: .42rem .8rem;
  font-size: .86rem;
  font-weight: 700;
}
.pill { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.24); }
.heat { display: inline-flex; align-items: center; background: var(--gold-soft); color: #5d4310; }
.heat.hot { background: #f8d7d2; color: var(--danger); }
.heat.calm { background: var(--mist); color: var(--brand-deep); }
.data-badge { background: var(--grad); color: #fff; }
.console-card, .metric-card, .story-card, .compare-col, .step-card, .log-item, .guard-item, .form-panel, .qa-wrap, .matrix-main, .matrix-side article, .shot, .news-item, .quote-card, .qa-item, .bento a, .pain-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.console-card { color: var(--ink); overflow: hidden; }
.console-photo { aspect-ratio: 16/7; object-fit: cover; width: 100%; }
.console-body { padding: 18px 18px 20px; }
.console-top { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 12px; }
.console-top strong { font-size: 1rem; }
.dots { display: flex; gap: 6px; }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--gold); display: block; }
.dots i:nth-child(2) { background: var(--brand); }
.dots i:nth-child(3) { background: #d7e5de; }
.console-code {
  margin: 0 0 16px;
  padding: 16px;
  border-radius: 18px;
  background: var(--brand-deep);
  color: #f4e2b4;
  font-size: .92rem;
  line-height: 1.7;
  overflow: auto;
  white-space: pre;
}
.console-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn-main, .btn-ghost, .btn-gold {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: .86rem 1.25rem;
  font-weight: 700; border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  cursor: pointer;
  text-align: center;
}
.btn-main { background: var(--grad); color: #fff; box-shadow: var(--shadow-soft); }
.btn-gold { background: var(--gold); color: #1d1606; }
.btn-ghost { background: transparent; color: var(--brand-deep); border-color: rgba(12,59,48,.28); }
.console-card .btn-ghost { color: var(--brand-deep); }
.btn-main:hover, .btn-gold:hover, .btn-ghost:hover,
.btn-main:focus-visible, .btn-gold:focus-visible, .btn-ghost:focus-visible {
  transform: translateY(-2px); box-shadow: var(--shadow);
}
.btn-main:active, .btn-gold:active, .btn-ghost:active { transform: translateY(0); }
.login-metrics { margin-top: -46px; position: relative; z-index: 2; padding-top: 0; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric-card { padding: 18px 18px 16px; position: relative; overflow: hidden; min-height: 148px; }
.metric-card strong { display: block; font-size: 1.7rem; letter-spacing: -.03em; color: var(--brand-deep); }
.metric-card span { color: var(--muted); font-size: .92rem; }
.metric-card i.pin { position: absolute; right: 14px; top: 14px; color: var(--gold); font-size: 1.1rem; }
.story-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; align-items: stretch; }
.story-stack { display: grid; gap: 16px; }
.story-card { overflow: hidden; color: #fff; position: relative; min-height: 220px; display: flex; }
.story-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.story-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,28,22,.05), rgba(8,28,22,.82));
}
.story-card .story-body { position: relative; z-index: 1; margin-top: auto; padding: 18px; }
.story-card h3 { margin: 8px 0 6px; font-size: 1.25rem; font-weight: 800; }
.story-card p { margin: 0; color: rgba(255,255,255,.9); }
.story-card.tall { min-height: 520px; }
.compare-grid, .split-2, .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-col, .step-card, .guard-item, .form-panel { padding: 22px; }
.compare-col h3, .step-card h3, .guard-item h3 { margin: 8px 0 12px; font-size: 1.2rem; }
.compare-col ul, .plain-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.compare-col li, .plain-list li { display: flex; gap: 10px; align-items: flex-start; }
.compare-col i, .plain-list i { color: var(--brand); margin-top: .25rem; }
.compare-col.bad { background: #fff8f6; }
.compare-col.bad i { color: var(--danger); }
.step-line { display: grid; gap: 14px; }
.step-card { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: start; }
.step-no {
  width: 48px; height: 48px; border-radius: 16px;
  display: grid; place-items: center;
  background: var(--grad); color: #fff; font-weight: 800;
}
.step-card p { margin: 0; color: var(--muted); }
.rank-list { display: grid; gap: 12px; }
.log-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.log-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.rank-no { font-weight: 800; font-size: 1.3rem; color: var(--brand); width: 36px; }
.log-item h3 { margin: 0 0 4px; font-size: 1.05rem; }
.log-item p { margin: 0; color: var(--muted); }
.guard-band {
  border-radius: 36px;
  overflow: hidden;
  color: #f7fff9;
  background:
    linear-gradient(100deg, rgba(12,59,48,.92), rgba(18,122,91,.78)),
    url("/assets/images/40332e0fc3b39e6a.webp") center/cover no-repeat;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
  padding: 22px;
}
.guard-copy h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
.guard-copy p { color: rgba(247,255,249,.9); }
.guard-grid { display: grid; gap: 12px; }
.guard-item { color: var(--ink); }
.guard-item i { color: var(--gold); }
.qa-wrap { padding: 12px; }
.accordion-item { border: 0; border-bottom: 1px solid var(--line); background: transparent; }
.accordion-item:last-child { border-bottom: 0; }
.accordion-button {
  font-weight: 750;
  color: var(--ink);
  background: transparent;
  box-shadow: none;
  padding: 18px 12px;
  gap: 10px;
}
.accordion-button:not(.collapsed) { color: var(--brand-deep); background: var(--mist); box-shadow: none; }
.accordion-button:focus { box-shadow: none; }
.accordion-body { color: var(--muted); padding: 0 12px 18px; }
.form-copy { padding-right: 8px; }
.form-panel .form-label { font-weight: 700; color: var(--brand-deep); }
.form-control, .form-select {
  border-radius: 14px;
  border: 1px solid var(--line);
  min-height: 48px;
  color: var(--ink);
  background: #fff;
}
.form-control:focus, .form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(18,122,91,.12);
}
textarea.form-control { min-height: 120px; }
.check-line { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: .94rem; }
.form-alert, .form-ok {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 12px;
  font-weight: 650;
}
.form-alert { background: #fff1ee; color: var(--danger); }
.form-ok { background: var(--mist); color: var(--brand-deep); }
.matrix-main { padding: 22px; background: var(--grad); color: #f7fff9; }
.pain-item { display: grid; grid-template-columns: auto 1fr; gap: 14px; padding: 16px 18px; align-items: start; }
.pain-item p { margin: 0; color: var(--muted); }
.shot img, .news-item img { border-radius: 18px; }
.site-footer { background: var(--brand-deep); color: #edf7f2; padding: 36px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.site-footer .brand { color: #fff; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 16px; justify-content: flex-end; max-width: 640px; }
.site-footer nav a { font-weight: 650; border-bottom: 1px solid transparent; }
.site-footer nav a:hover { border-bottom-color: var(--gold-soft); color: var(--gold-soft); }
.copy { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(237,247,242,.78); font-size: .92rem; }
.float-bar {
  position: fixed;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  width: min(760px, calc(100% - 20px));
  z-index: 40;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 12px 12px 16px;
  border-radius: 999px;
  background: rgba(12, 59, 48, .94);
  color: #f7fff9;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.float-bar p { margin: 0; font-weight: 650; }
.float-bar .btn-gold { padding: .7rem 1rem; }
@media (max-width: 1024px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: min(340px, 100%);
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 12px 14px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { width: 100%; padding: .7rem 0; }
  .hero-grid, .story-grid, .compare-grid, .split-2, .form-grid, .guard-band { grid-template-columns: 1fr; }
  .metric-row { grid-template-columns: 1fr 1fr; }
  .story-card.tall { min-height: 380px; }
  .foot-grid { flex-direction: column; }
  .site-footer nav { justify-content: flex-start; }
}
@media (max-width: 768px) {
  :root { --space: 52px; }
  .hero-grid { padding: 36px 0 64px; }
  .log-item { grid-template-columns: auto 1fr; }
  .log-item .heat { grid-column: 2; justify-self: start; }
  .float-bar { border-radius: 24px; align-items: stretch; flex-direction: column; }
  .guard-band { padding: 16px; border-radius: 28px; }
}
@media (max-width: 520px) {
  .container { width: min(1180px, calc(100% - 20px)); }
  .metric-row, .step-card { grid-template-columns: 1fr; }
  .brand { max-width: 70%; }
  .relogin-copy h1 { font-size: 1.85rem; }
  .btn-main, .btn-gold, .btn-ghost { width: 100%; }
  .console-actions { flex-direction: column; }
  .copy { flex-direction: column; }
  .story-card, .story-card.tall { min-height: 280px; }
}

/* roulang page: category5 */
:root {
 --ink: #173028;
 --muted: #5d6e66;
 --bg: #f3f7f4;
 --paper: #ffffff;
 --line: rgba(23, 48, 40, .12);
 --brand: #127a5b;
 --brand-deep: #0c3b30;
 --gold: #c8962e;
 --gold-soft: #f4e2b4;
 --mist: #e7f2ec;
 --danger: #9a3d32;
 --radius: 28px;
 --radius-sm: 16px;
 --shadow: 0 18px 48px rgba(12, 59, 48, .12);
 --shadow-soft: 0 10px 28px rgba(12, 59, 48, .08);
 --grad: linear-gradient(135deg, #0c3b30 0%, #127a5b 52%, #e0b45a 140%);
 --space: 72px;
 --font: "Be Vietnam Pro", sans-serif;
}
:root { --space: 52px; }
/* roulang page: category5 */
:root {
 --ink: #173028;
 --muted: #5d6e66;
 --bg: #f3f7f4;
 --paper: #ffffff;
 --line: rgba(23, 48, 40, .12);
 --brand: #127a5b;
 --brand-deep: #0c3b30;
 --gold: #c8962e;
 --gold-soft: #f4e2b4;
 --mist: #e7f2ec;
 --danger: #9a3d32;
 --radius: 28px;
 --radius-sm: 16px;
 --shadow: 0 18px 48px rgba(12, 59, 48, .12);
 --shadow-soft: 0 10px 28px rgba(12, 59, 48, .08);
 --grad: linear-gradient(135deg, #0c3b30 0%, #127a5b 52%, #e0b45a 140%);
 --space: 72px;
 --font: "Be Vietnam Pro", sans-serif;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: var(--font);
 color: var(--ink);
 background:
  radial-gradient(900px 280px at 100% 0%, rgba(200, 150, 46, .12), transparent 60%),
  var(--bg);
 line-height: 1.65;
 font-size: 16px;
 padding-bottom: 96px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 background: rgba(255,255,255,.9);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid var(--line);
}
.nav-shell {
 min-height: 78px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
 position: relative;
}
.brand {
 font-weight: 800;
 letter-spacing: -.03em;
 color: var(--brand-deep);
 font-size: 1.02rem;
 max-width: 280px;
 line-height: 1.25;
}
.brand small { display: block; font-weight: 600; color: var(--gold); letter-spacing: .14em; font-size: .68rem; text-transform: uppercase; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .2rem .95rem; }
.site-nav a {
 position: relative;
 color: var(--ink);
 font-size: .9rem;
 font-weight: 600;
 padding: .35rem 0;
 background: transparent;
}
.site-nav a::after {
 content: "";
 position: absolute;
 left: 0; right: 100%; bottom: 0;
 height: 1.5px;
 background: var(--brand);
 transition: right .2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.active::after { right: 0; }
.site-nav a.active { color: var(--brand-deep); }
.site-nav a.active::before {
 content: "";
 width: 6px; height: 6px; border-radius: 50%;
 background: var(--gold);
 display: inline-block;
 margin-right: 6px;
 transform: translateY(-1px);
}
.nav-toggle {
 display: none;
 width: 46px; height: 46px;
 border-radius: 50%;
 border: 1px solid var(--line);
 background: #fff;
 align-items: center;
 justify-content: center;
 flex-direction: column;
 gap: 5px;
}
.nav-toggle span { width: 16px; height: 1.5px; background: var(--brand-deep); display: block; }
.btn-main, .btn-ghost, .btn-gold {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 border-radius: 999px; padding: .86rem 1.25rem;
 font-weight: 700; border: 1px solid transparent;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
 cursor: pointer;
 text-decoration: none;
}
.btn-main { background: var(--grad); color: #fff; box-shadow: var(--shadow-soft); }
.btn-gold { background: var(--gold); color: #1d1606; }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn-main:hover, .btn-gold:hover, .btn-ghost:hover,
.btn-main:focus-visible, .btn-gold:focus-visible, .btn-ghost:focus-visible {
 transform: translateY(-2px); box-shadow: var(--shadow);
}
.btn-main:active, .btn-gold:active, .btn-ghost:active { transform: translateY(0); }
.metric-card, .matrix-main, .matrix-side article, .shot, .compare-col, .news-item, .guard-item, .qa-item, .form-panel, .step-card, .rank-item {
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
}
.heat, .pill {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px;
 padding: .38rem .78rem;
 font-size: .8rem;
 font-weight: 700;
 letter-spacing: .01em;
}
.heat { background: var(--gold-soft); color: #6b4a0d; }
.pill { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.24); color: #fff; }
.band { padding: 28px 0; }
.band-head { display: flex; justify-content: space-between; gap: 18px; align-items: end; margin-bottom: 18px; }
.band-head h2 { margin: 0; font-size: clamp(1.45rem, 2vw, 2rem); letter-spacing: -.03em; line-height: 1.2; }
.band-head p { margin: 0; color: var(--muted); max-width: 460px; }
.kicker { color: var(--brand); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: .75rem; margin-bottom: 6px; }
.page-hero { position: relative; padding: 28px 0 8px; }
.page-hero-grid {
 display: grid;
 grid-template-columns: 1.15fr .85fr;
 gap: 18px;
 min-height: 520px;
}
.hero-copy, .hero-slip {
 position: relative;
 overflow: hidden;
 border-radius: 36px;
 min-height: 500px;
}
.hero-copy {
 color: #f6fff9;
 padding: 36px 34px;
 display: flex;
 flex-direction: column;
 justify-content: flex-end;
 background:
  linear-gradient(180deg, rgba(8,32,26,.18), rgba(8,32,26,.82)),
  url("/assets/images/9e6b811df278d043.webp") center/cover no-repeat;
 box-shadow: var(--shadow);
}
.crumb { display: flex; gap: 8px; align-items: center; font-size: .86rem; color: var(--gold-soft); margin-bottom: auto; }
.crumb a:hover { color: #fff; }
.hero-copy h1 { font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.08; letter-spacing: -.04em; margin: 12px 0; max-width: 640px; }
.hero-copy .lead { font-size: 1.05rem; max-width: 620px; color: rgba(246,255,249,.92); margin-bottom: 16px; }
.hero-pills, .hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-actions { margin-top: 18px; }
.hero-slip {
 background: var(--paper);
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
 color: var(--ink);
 display: grid;
 grid-template-rows: 230px 1fr;
}
.hero-slip img { width: 100%; height: 230px; object-fit: cover; }
.slip-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 10px; }
.slip-body strong { font-size: 1.35rem; letter-spacing: -.03em; color: var(--brand-deep); }
.slip-meta { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: .92rem; border-top: 1px solid var(--line); padding-top: 10px; }
.metric-wrap { margin-top: -28px; position: relative; z-index: 2; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric-card { padding: 18px 18px 16px; position: relative; overflow: hidden; }
.metric-card strong { display: block; font-size: 1.7rem; letter-spacing: -.03em; color: var(--brand-deep); }
.metric-card span { color: var(--muted); font-size: .92rem; }
.metric-card i { position: absolute; right: 14px; top: 14px; color: var(--gold); font-size: 1.15rem; }
.matrix {
 display: grid;
 grid-template-columns: 1.35fr .75fr;
 gap: 16px;
}
.matrix-main {
 padding: 22px;
 color: #f7fff9;
 background:
  linear-gradient(145deg, rgba(12,59,48,.9), rgba(18,122,91,.72)),
  url("/assets/images/4ea256484b61fb4d.webp") center/cover no-repeat;
 min-height: 420px;
 display: flex;
 flex-direction: column;
 justify-content: flex-end;
}
.matrix-main h3 { font-size: 1.8rem; letter-spacing: -.03em; margin: 8px 0; }
.matrix-main p { margin: 0 0 12px; color: rgba(247,255,249,.9); }
.matrix-side { display: grid; gap: 12px; }
.matrix-side article { padding: 16px 16px 14px; }
.matrix-side h3 { margin: 6px 0; font-size: 1.05rem; }
.matrix-side p, .compare-col p, .shot p, .news-item p, .guard-item p, .qa-item p, .rank-item p { margin: 0; color: var(--muted); }
.rank-list { display: grid; gap: 10px; margin-top: 8px; }
.rank-item { display: grid; grid-template-columns: auto 1fr; gap: 12px; padding: 12px 14px; align-items: center; border-radius: 18px; }
.rank-no {
 width: 36px; height: 36px; border-radius: 50%;
 display: grid; place-items: center;
 background: var(--mist); color: var(--brand-deep); font-weight: 800;
}
.compare-grid, .guard-grid, .qa-grid { display: grid; gap: 14px; }
.compare-grid { grid-template-columns: 1fr 1fr; }
.compare-col { padding: 22px; }
.compare-col.fresh { background: var(--grad); color: #f7fff9; }
.compare-col.fresh p, .compare-col.fresh li { color: rgba(247,255,249,.9); }
.compare-col h3 { margin: 8px 0 12px; letter-spacing: -.02em; }
.compare-col ul, .plain-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.compare-col li, .plain-list li { display: flex; gap: 8px; align-items: flex-start; }
.compare-col i, .plain-list i { color: var(--gold); margin-top: 4px; }
.milestone-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.step-card { padding: 16px; position: relative; }
.step-card em { font-style: normal; color: var(--gold); font-weight: 800; font-size: .82rem; letter-spacing: .04em; }
.step-card h3 { margin: 8px 0; font-size: 1.05rem; }
.step-card::after {
 content: "";
 position: absolute;
 top: 28px; right: -10px;
 width: 14px; height: 2px;
 background: var(--gold);
}
.step-card:last-child::after { display: none; }
.news-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 16px; }
.shot { overflow: hidden; }
.shot img, .news-item img { width: 100%; object-fit: cover; }
.shot img { height: 250px; }
.shot.tall img { height: 390px; }
.shot div, .news-item div { padding: 14px 16px 16px; }
.shot h3, .news-item h3 { margin: 6px 0; font-size: 1.08rem; }
.news-col { display: grid; gap: 12px; }
.news-item { display: grid; grid-template-columns: 132px 1fr; overflow: hidden; }
.news-item img { height: 100%; min-height: 128px; }
.masonry { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.guard-band {
 border-radius: 36px;
 padding: 28px;
 color: #f7fff9;
 background:
  linear-gradient(120deg, rgba(8,32,26,.88), rgba(18,122,91,.78)),
  url("/assets/images/40332e0fc3b39e6a.webp") center/cover no-repeat;
 box-shadow: var(--shadow);
}
.guard-band .band-head h2, .guard-band .kicker { color: #fff; }
.guard-band .band-head p { color: rgba(247,255,249,.86); }
.guard-grid { grid-template-columns: repeat(4, 1fr); }
.guard-item { padding: 16px; background: rgba(255,255,255,.96); }
.guard-item i { color: var(--brand); font-size: 1.2rem; }
.qa-grid { grid-template-columns: 1.1fr .9fr; }
.qa-item { padding: 18px; }
.qa-item h3 { margin: 0 0 8px; font-size: 1.08rem; }
.accordion { display: grid; gap: 10px; }
.accordion-item { border: 1px solid var(--line) !important; border-radius: 18px !important; overflow: hidden; background: #fff; box-shadow: var(--shadow-soft); }
.accordion-button {
 font-weight: 700;
 color: var(--brand-deep);
 background: #fff;
 box-shadow: none !important;
 padding: 16px 18px;
}
.accordion-button:not(.collapsed) { color: var(--brand-deep); background: var(--mist); }
.accordion-button::after { filter: hue-rotate(80deg); }
.accordion-body { color: var(--muted); padding: 0 18px 16px; }
.form-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 16px; align-items: stretch; }
.form-visual { border-radius: 32px; overflow: hidden; min-height: 100%; position: relative; box-shadow: var(--shadow); }
.form-visual img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.form-visual span {
 position: absolute; left: 16px; bottom: 16px;
 background: rgba(12,59,48,.86); color: #fff;
 border-radius: 16px; padding: 12px 14px; max-width: 260px;
}
.form-panel { padding: 22px; }
.form-panel h2 { margin: 0 0 8px; letter-spacing: -.03em; }
.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field span { font-weight: 700; font-size: .92rem; }
.field input, .field select, .field textarea {
 width: 100%;
 border: 1px solid var(--line);
 background: #fbfefc;
 border-radius: 14px;
 padding: .8rem .9rem;
 color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
 border-color: var(--brand);
 box-shadow: 0 0 0 4px rgba(18,122,91,.12);
 outline: none;
}
.form-note { min-height: 1.4em; color: var(--brand); font-weight: 700; margin: 8px 0 0; }
.site-footer { background: var(--brand-deep); color: #e7f6ef; padding: 42px 0 28px; margin-top: 18px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.site-footer .brand { color: #fff; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 16px; max-width: 680px; justify-content: flex-end; }
.site-footer nav a { color: #d5eee4; font-weight: 600; font-size: .92rem; }
.site-footer nav a:hover { color: var(--gold-soft); }
.copy {
 display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
 margin-top: 22px; padding-top: 16px;
 border-top: 1px solid rgba(255,255,255,.14);
 color: rgba(231,246,239,.78); font-size: .88rem;
}
.dock {
 position: fixed; left: 50%; bottom: 14px; transform: translateX(-50%);
 z-index: 40; display: flex; gap: 10px; align-items: center;
 padding: 8px 8px 8px 16px;
 background: rgba(255,255,255,.94);
 border: 1px solid var(--line);
 border-radius: 999px;
 box-shadow: var(--shadow);
 backdrop-filter: blur(12px);
 white-space: nowrap;
}
.dock b { color: var(--brand-deep); }
@media (max-width: 1024px) {
 .page-hero-grid, .matrix, .news-layout, .qa-grid, .form-grid { grid-template-columns: 1fr; }
 .metric-row, .milestone-row, .guard-grid { grid-template-columns: 1fr 1fr; }
 .hero-copy, .hero-slip { min-height: 0; }
 .step-card::after { display: none; }
 .site-nav { gap: .2rem .7rem; }
}
@media (max-width: 768px) {
 .nav-toggle { display: flex; }
 .site-nav {
  display: none;
  position: absolute;
  top: calc(100% + 8px); left: 0; right: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 12px;
  flex-direction: column;
  z-index: 30;
 }
 .site-nav.open { display: flex; }
 .metric-row, .compare-grid, .milestone-row, .guard-grid, .masonry { grid-template-columns: 1fr; }
 .news-item { grid-template-columns: 104px 1fr; }
 .band-head { flex-direction: column; align-items: flex-start; }
 .foot-grid, .copy { flex-direction: column; }
 .site-footer nav { justify-content: flex-start; }
 .hero-copy { padding: 24px 20px; }
}
@media (max-width: 520px) {
 .container { width: min(1180px, calc(100% - 20px)); }
 .hero-copy h1 { font-size: 1.85rem; }
 .dock { width: calc(100% - 20px); justify-content: space-between; }
 .dock span { display: none; }
 .news-item { grid-template-columns: 1fr; }
 .news-item img { height: 160px; }
 .metric-card strong { font-size: 1.4rem; }
}

/* roulang page: category6 */
:root {
 --ink: #173028;
 --muted: #5d6e66;
 --bg: #f3f7f4;
 --paper: #ffffff;
 --line: rgba(23, 48, 40, .12);
 --brand: #127a5b;
 --brand-deep: #0c3b30;
 --gold: #c8962e;
 --gold-soft: #f4e2b4;
 --mist: #e7f2ec;
 --danger: #9a3d32;
 --radius: 28px;
 --radius-sm: 16px;
 --shadow: 0 18px 48px rgba(12, 59, 48, .12);
 --shadow-soft: 0 10px 28px rgba(12, 59, 48, .08);
 --grad: linear-gradient(135deg, #0c3b30 0%, #127a5b 52%, #e0b45a 140%);
 --space: 72px;
 --font: "Be Vietnam Pro", sans-serif;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: var(--font);
 color: var(--ink);
 background:
  radial-gradient(900px 280px at 100% -10%, rgba(200, 150, 46, .16), transparent 60%),
  var(--bg);
 line-height: 1.65;
 font-size: 16px;
 padding-bottom: 96px;
 overflow-x: clip;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
:focus-visible { outline: 3px solid rgba(200, 150, 46, .9); outline-offset: 3px; }
.container { width: min(1180px, calc(100% - 32px)); max-width: 1180px; margin: 0 auto; padding-left: 0; padding-right: 0; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 background: rgba(255,255,255,.9);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid var(--line);
}
.nav-shell {
 min-height: 78px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
 position: relative;
}
.brand {
 font-weight: 800;
 letter-spacing: -.03em;
 color: var(--brand-deep);
 font-size: 1.02rem;
 max-width: 280px;
 line-height: 1.25;
}
.brand small { display: block; font-weight: 600; color: var(--gold); letter-spacing: .14em; font-size: .68rem; text-transform: uppercase; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .2rem .95rem; }
.site-nav a {
 position: relative;
 color: var(--ink);
 font-size: .9rem;
 font-weight: 600;
 padding: .35rem 0;
 background: transparent;
}
.site-nav a::after {
 content: "";
 position: absolute;
 left: 0; right: 100%; bottom: 0;
 height: 1.5px;
 background: var(--brand);
 transition: right .2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.active::after { right: 0; }
.site-nav a.active { color: var(--brand-deep); }
.site-nav a.active::before {
 content: "";
 width: 6px; height: 6px; border-radius: 50%;
 background: var(--gold);
 display: inline-block;
 margin-right: 6px;
 transform: translateY(-1px);
}
.nav-toggle {
 display: none;
 width: 46px; height: 46px;
 border-radius: 50%;
 border: 1px solid var(--line);
 background: #fff;
 align-items: center;
 justify-content: center;
 flex-direction: column;
 gap: 5px;
 cursor: pointer;
}
.nav-toggle span { width: 16px; height: 1.5px; background: var(--brand-deep); display: block; }
.nav-toggle[aria-expanded="true"] { background: var(--mist); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.18; letter-spacing: -.03em; color: var(--brand-deep); }
h1 { font-size: clamp(2rem, 4.4vw, 3.35rem); font-weight: 800; margin-bottom: 12px; }
h2 { font-size: clamp(1.45rem, 2.3vw, 2.05rem); margin-bottom: 8px; }
h3 { font-size: 1.08rem; margin-bottom: 6px; }
.lead { color: var(--muted); font-size: 1.05rem; }
.band { padding: 34px 0; }
.band-head { margin-bottom: 18px; }
.band-head p { margin-bottom: 0; color: var(--muted); max-width: 680px; }
.kicker, .brand-kicker {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 font-weight: 700;
 color: var(--brand);
 margin-bottom: 12px;
 letter-spacing: .01em;
}
.kicker i, .brand-kicker i { color: var(--gold); }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: .86rem; font-weight: 600; margin-bottom: 14px; }
.crumb span[aria-hidden] { color: var(--gold); }
.btn-main, .btn-ghost, .btn-gold, .media-btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 border-radius: 999px; padding: .86rem 1.25rem;
 font-weight: 700; border: 1px solid transparent;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
 cursor: pointer;
 text-align: center;
}
.btn-main { background: var(--grad); color: #fff; box-shadow: var(--shadow-soft); }
.btn-gold { background: var(--gold); color: #1d1606; }
.btn-ghost { background: transparent; color: var(--brand-deep); border-color: rgba(12, 59, 48, .28); }
.btn-main:hover, .btn-gold:hover, .btn-ghost:hover,
.btn-main:focus-visible, .btn-gold:focus-visible, .btn-ghost:focus-visible {
 transform: translateY(-2px); box-shadow: var(--shadow);
}
.btn-main:active, .btn-gold:active, .btn-ghost:active { transform: translateY(0); }
.hero-actions, .inline-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.media-btn {
 width: 52px; height: 52px; padding: 0; border-radius: 50%;
 background: #fff; color: var(--brand-deep); border: 1px solid var(--line);
 box-shadow: var(--shadow-soft);
}
.media-btn:hover { background: var(--gold-soft); }
.heat, .pill {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px;
 padding: .32rem .72rem;
 background: var(--mist);
 border: 1px solid transparent;
 font-size: .78rem;
 font-weight: 700;
 color: var(--brand-deep);
}
.heat.hot { background: #fde8e4; color: var(--danger); }
.heat.mid { background: var(--gold-soft); color: #5c430c; }
.heat.ok { background: var(--mist); color: var(--brand-deep); }
.err-hero { padding: 28px 0 8px; }
.hero-shell {
 display: grid;
 grid-template-columns: 1.15fr .85fr;
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: 36px;
 box-shadow: var(--shadow);
 overflow: hidden;
 min-height: 460px;
}
.hero-copy { padding: 36px 34px 32px; display: flex; flex-direction: column; justify-content: center; }
.hero-copy .lead { margin-bottom: 18px; }
.hero-cover { position: relative; min-height: 460px; background: #102920; }
.hero-cover img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.hero-cover::after {
 content: "";
 position: absolute; inset: 0;
 background: linear-gradient(180deg, rgba(8, 28, 22, .05) 10%, rgba(8, 28, 22, .82) 100%);
}
.cover-card {
 position: absolute; z-index: 1; left: 16px; right: 16px; bottom: 16px;
 background: rgba(255,255,255,.95);
 color: var(--ink);
 border-radius: 22px;
 padding: 16px;
 box-shadow: var(--shadow);
}
.cover-card strong { display: block; font-size: 1.05rem; color: var(--brand-deep); }
.cover-card p { margin: 6px 0 10px; color: var(--muted); font-size: .92rem; }
.stat-line { display: flex; flex-wrap: wrap; gap: 8px; }
.round-row { display: flex; gap: 8px; margin-top: 14px; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric-card, .rank-item, .fall-card, .compare-col, .step-card, .guard-item, .form-panel, .side-note {
 background: var(--paper);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
}
.metric-card { padding: 18px 18px 16px; position: relative; overflow: hidden; min-height: 148px; }
.metric-card strong { display: block; font-size: 1.7rem; letter-spacing: -.03em; color: var(--brand-deep); }
.metric-card span { color: var(--muted); font-size: .92rem; }
.metric-card i { position: absolute; right: 14px; top: 14px; color: var(--gold); font-size: 1.15rem; }
.metric-card em { display: inline-flex; margin-top: 10px; font-style: normal; }
.rank-layout, .fall-wrap, .compare, .form-grid, .guard-grid {
 display: grid; gap: 18px;
}
.rank-layout { grid-template-columns: .78fr 1.22fr; align-items: start; }
.rank-list { display: grid; gap: 10px; }
.rank-item {
 display: grid;
 grid-template-columns: auto 1fr auto;
 gap: 14px;
 align-items: center;
 padding: 14px 16px;
 transition: transform .2s ease, box-shadow .2s ease;
}
.rank-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.rank-no {
 width: 48px; height: 48px; border-radius: 16px;
 display: grid; place-items: center;
 background: var(--grad); color: #fff; font-weight: 800;
}
.rank-item p { margin: 0; color: var(--muted); font-size: .92rem; }
.fall-wrap { grid-template-columns: 280px 1fr; align-items: start; }
.fall-grid { columns: 2 230px; column-gap: 14px; }
.fall-card { break-inside: avoid; margin: 0 0 14px; overflow: hidden; }
.fall-card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.fall-card.tall img { aspect-ratio: 3/5; }
.fall-card.mid img { aspect-ratio: 4/5; }
.fall-body { padding: 14px 14px 16px; }
.fall-body p { margin: 0; color: var(--muted); font-size: .92rem; }
.compare { grid-template-columns: 1.05fr .95fr; }
.compare-col { padding: 22px; }
.compare-col.bad {
 background:
  linear-gradient(180deg, rgba(12, 32, 27, .92), rgba(12, 59, 48, .88)),
  url("/assets/images/9fc6a51ee58d02ca.webp") center/cover;
 color: #f6fff9;
}
.compare-col.bad h2, .compare-col.bad h3 { color: #fff; }
.compare-col.bad p, .compare-col.bad li { color: rgba(246,255,249,.88); }
.clean-list { list-style: none; padding: 0; margin: 12px 0 0; }
.clean-list li {
 position: relative;
 padding: 10px 0 10px 22px;
 border-bottom: 1px solid var(--line);
}
.compare-col.bad .clean-list li { border-bottom-color: rgba(255,255,255,.14); }
.clean-list li::before {
 content: "";
 width: 8px; height: 8px; border-radius: 50%;
 background: var(--gold);
 position: absolute; left: 0; top: 18px;
}
.steps { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 0; }
.steps li { display: grid; grid-template-columns: 72px 1fr; gap: 8px; position: relative; padding-bottom: 16px; }
.steps li::before {
 content: "";
 position: absolute; left: 27px; top: 48px; bottom: 0; width: 2px;
 background: rgba(18, 122, 91, .28);
}
.steps li:last-child::before { display: none; }
.step-no {
 width: 56px; height: 56px; border-radius: 18px;
 background: var(--grad); color: #fff;
 display: grid; place-items: center; font-weight: 800;
 box-shadow: var(--shadow-soft);
}
.step-card { padding: 14px 16px; }
.step-card p { margin: 0; color: var(--muted); }
.guard-band {
 position: relative;
 border-radius: 36px;
 overflow: hidden;
 color: #f7fff9;
 padding: 28px;
 background:
  linear-gradient(110deg, rgba(8, 32, 26, .92), rgba(18, 122, 91, .78)),
  url("/assets/images/9e6b811df278d043.webp") center/cover;
 box-shadow: var(--shadow);
}
.guard-band h2 { color: #fff; }
.guard-band .band-head p { color: rgba(247,255,249,.88); }
.guard-grid { grid-template-columns: repeat(4, 1fr); }
.guard-item { padding: 16px; background: rgba(255,255,255,.96); color: var(--ink); }
.guard-item b { display: block; color: var(--gold); letter-spacing: .08em; font-size: .78rem; }
.guard-item p { margin: 6px 0 0; color: var(--muted); font-size: .92rem; }
.faq-acc .accordion-item {
 background: var(--paper);
 border: 1px solid var(--line) !important;
 border-radius: 18px !important;
 overflow: hidden;
 margin-bottom: 12px;
 box-shadow: var(--shadow-soft);
}
.faq-acc .accordion-button {
 font-weight: 700;
 color: var(--brand-deep);
 background: #fff;
 box-shadow: none !important;
 padding: 16px 18px;
 gap: 10px;
}
.faq-acc .accordion-button:not(.collapsed) { background: var(--mist); color: var(--brand-deep); }
.faq-acc .accordion-button:focus { box-shadow: 0 0 0 3px rgba(18, 122, 91, .22) !important; }
.faq-acc .accordion-body { color: var(--muted); padding: 0 18px 16px; }
.form-grid { grid-template-columns: .82fr 1.18fr; align-items: stretch; }
.side-note { overflow: hidden; display: flex; flex-direction: column; }
.side-note img { width: 100%; height: 210px; object-fit: cover; }
.side-note div { padding: 18px; }
.side-note p { color: var(--muted); }
.form-panel { padding: 20px; }
.form-label { font-weight: 700; color: var(--brand-deep); font-size: .9rem; margin-bottom: 6px; }
.form-control, .form-select {
 border-radius: 14px;
 border: 1px solid var(--line);
 padding: .85rem 1rem;
 color: var(--ink);
 background: #fff;
 box-shadow: none;
}
.form-control:focus, .form-select:focus {
 border-color: var(--brand);
 box-shadow: 0 0 0 4px rgba(18, 122, 91, .15);
}
.form-control.is-invalid, .form-select.is-invalid { border-color: var(--danger); }
.form-alert {
 display: none;
 margin-top: 12px;
 border-radius: 16px;
 padding: 12px 14px;
 background: var(--mist);
 color: var(--brand-deep);
 font-weight: 600;
}
.form-alert.show { display: block; }
.form-alert.warn { background: #fde8e4; color: var(--danger); }
.hp { position: absolute; left: -9999px; }
.float-bar {
 position: fixed;
 left: 50%;
 bottom: 14px;
 transform: translateX(-50%);
 z-index: 40;
 display: flex;
 gap: 8px;
 padding: 8px;
 background: rgba(255,255,255,.94);
 border: 1px solid var(--line);
 border-radius: 999px;
 box-shadow: var(--shadow);
 backdrop-filter: blur(12px);
}
.float-bar a { border-radius: 999px; padding: .72rem 1rem; font-weight: 700; }
.float-bar .ghost {
 background: #fff;
 border: 1px solid var(--line);
 color: var(--brand-deep);
}
.site-footer {
 background: var(--brand-deep);
 color: #e7f6ef;
 padding: 42px 0 28px;
 margin-top: 28px;
}
.site-footer .brand { color: #f6fff9; }
.site-footer .brand small { color: var(--gold-soft); }
.foot-grid { display: flex; justify-content: space-between; gap: 22px; align-items: flex-start; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 16px; justify-content: flex-end; max-width: 680px; }
.site-footer nav a { color: rgba(246,255,249,.86); font-weight: 600; font-size: .92rem; }
.site-footer nav a:hover, .site-footer nav a:focus-visible { color: var(--gold-soft); }
.copy {
 display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
 border-top: 1px solid rgba(255,255,255,.14);
 margin-top: 22px; padding-top: 16px;
 color: rgba(244, 226, 180, .92);
 font-size: .92rem;
}
@media (max-width: 1024px) {
 .nav-toggle { display: flex; }
 .site-nav {
  display: none;
  position: absolute;
  top: calc(100% + 1px);
  left: 0; right: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  flex-direction: column;
  padding: 12px 16px 16px;
  box-shadow: var(--shadow);
  z-index: 30;
 }
 .site-nav.open { display: flex; max-height: calc(100vh - 100px); overflow: auto; }
 .metric-row, .guard-grid { grid-template-columns: repeat(2, 1fr); }
 .hero-shell, .rank-layout, .fall-wrap, .compare, .form-grid { grid-template-columns: 1fr; }
 .hero-cover { min-height: 340px; }
}
@media (max-width: 768px) {
 .hero-copy { padding: 24px 18px; }
 .guard-band { padding: 18px; border-radius: 24px; }
 .fall-grid { columns: 1; }
 .foot-grid, .copy { flex-direction: column; }
 .site-footer nav { justify-content: flex-start; }
}
@media (max-width: 520px) {
 .metric-row, .guard-grid { grid-template-columns: 1fr; }
 .rank-item { grid-template-columns: auto 1fr; }
 .rank-item .heat { grid-column: 2; justify-self: start; }
 .float-bar { width: calc(100% - 20px); }
 .float-bar a { flex: 1; }
 .steps li { grid-template-columns: 60px 1fr; }
 h1 { font-size: 1.85rem; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 * { transition: none !important; }
}

/* roulang page: category7 */
:root {
  --ink: #173028;
  --muted: #5d6e66;
  --bg: #f3f7f4;
  --paper: #ffffff;
  --line: rgba(23, 48, 40, .12);
  --brand: #127a5b;
  --brand-deep: #0c3b30;
  --gold: #c8962e;
  --gold-soft: #f4e2b4;
  --mist: #e7f2ec;
  --danger: #9a3d32;
  --radius: 28px;
  --radius-sm: 16px;
  --shadow: 0 18px 48px rgba(12, 59, 48, .12);
  --shadow-soft: 0 10px 28px rgba(12, 59, 48, .08);
  --grad: linear-gradient(135deg, #0c3b30 0%, #127a5b 52%, #e0b45a 140%);
  --space: 72px;
  --font: "Be Vietnam Pro", sans-serif;
  --bs-primary: #127a5b;
  --bs-body-font-family: "Be Vietnam Pro", sans-serif;
  --bs-body-color: #173028;
  --bs-body-bg: #f3f7f4;
  --bs-border-radius: 16px;
  --bs-link-color: #127a5b;
  --bs-link-hover-color: #0c3b30;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 280px at 100% -10%, rgba(200, 150, 46, .16), transparent 60%),
    var(--bg);
  line-height: 1.65;
  font-size: 16px;
  padding-bottom: 92px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, p { overflow-wrap: break-word; }
.container {
  width: min(1180px, calc(100% - 32px)) !important;
  max-width: 1180px !important;
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}
main .row { --bs-gutter-x: 1rem; margin-left: 0; margin-right: 0; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-shell {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}
.brand {
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--brand-deep);
  font-size: 1.02rem;
  max-width: 280px;
  line-height: 1.25;
}
.brand small {
  display: block;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: .14em;
  font-size: .68rem;
  text-transform: uppercase;
}
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .2rem .95rem; }
.site-nav a {
  position: relative;
  color: var(--ink);
  font-size: .9rem;
  font-weight: 600;
  padding: .35rem 0;
  background: transparent;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1.5px;
  background: var(--brand);
  transition: right .2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.active::after { right: 0; }
.site-nav a.active { color: var(--brand-deep); }
.site-nav a.active::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold);
  display: inline-block;
  margin-right: 6px;
  transform: translateY(-1px);
}
.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span { width: 16px; height: 1.5px; background: var(--brand-deep); display: block; }
.nav-toggle:focus-visible, .site-nav a:focus-visible { outline: 3px solid rgba(18,122,91,.35); outline-offset: 3px; }
.band { padding: 58px 0; }
.band.mist { background: linear-gradient(180deg, rgba(231,242,236,.95), rgba(243,247,244,.4)); }
.band.tight { padding-top: 28px; }
.sec-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  margin-bottom: 22px;
}
.sec-head h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2vw, 2rem);
  letter-spacing: -.03em;
  line-height: 1.25;
  max-width: 680px;
}
.eyebrow, .brand-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .75rem;
  margin-bottom: 8px;
}
.eyebrow { color: var(--brand); }
.brand-kicker { color: var(--gold-soft); letter-spacing: .08em; }
.sec-note { margin: 0; color: var(--muted); max-width: 360px; }
.open-grid, .matrix-grid, .guard-layout, .quick-grid, .lead-grid {
  display: grid;
  gap: 18px;
}
.open-grid { grid-template-columns: 1.25fr .85fr; align-items: stretch; }
.open-copy {
  position: relative;
  overflow: hidden;
  color: #f7fff9;
  border-radius: 36px;
  padding: 34px 32px;
  min-height: 520px;
  box-shadow: var(--shadow);
  background:
    radial-gradient(420px 180px at 90% 0%, rgba(232,190,106,.35), transparent 70%),
    linear-gradient(165deg, rgba(8,32,26,.82), rgba(12,59,48,.62)),
    url("/assets/images/9e6b811df278d043.webp") center/cover no-repeat;
}
.open-copy h1 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  letter-spacing: -.04em;
  line-height: 1.15;
  max-width: 640px;
}
.open-copy .lead { font-size: 1.05rem; color: rgba(247,255,249,.92); max-width: 620px; }
.check-list { margin: 16px 0 18px; }
.check-list li {
  position: relative;
  padding-left: 18px;
  margin: 7px 0;
  color: rgba(247,255,249,.92);
  font-weight: 600;
}
.check-list li::before {
  content: "";
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gold);
  position: absolute; left: 0; top: .55em;
}
.hero-actions, .inline-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn-main, .btn-ghost, .btn-gold {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: .86rem 1.2rem;
  font-weight: 700; border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  cursor: pointer;
}
.btn-main { background: var(--grad); color: #fff; box-shadow: var(--shadow-soft); }
.btn-gold { background: var(--gold); color: #1d1606; }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn-main:hover, .btn-gold:hover, .btn-ghost:hover,
.btn-main:focus-visible, .btn-gold:focus-visible, .btn-ghost:focus-visible {
  transform: translateY(-2px); box-shadow: var(--shadow);
}
.btn-main:active, .btn-gold:active, .btn-ghost:active { transform: translateY(0); }
.mini-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.mini-stats span {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 18px;
  padding: 10px 12px;
  min-width: 120px;
}
.mini-stats strong { display: block; font-size: 1.15rem; }
.mini-stats em { font-style: normal; font-size: .82rem; color: rgba(247,255,249,.8); }
.open-feed, .metric-card, .matrix-side, .compare-col, .news-item, .form-panel, .guard-copy, .qa-item, .strip {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.open-feed { padding: 8px 18px 12px; }
.feed-head {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 14px 0 8px;
}
.feed-head h2 { font-size: 1.15rem; margin: 0; letter-spacing: -.02em; }
.feed-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  align-items: center;
  transition: background .2s ease, padding .2s ease;
}
.feed-item:hover { background: #f5fbf8; margin: 0 -10px; padding-left: 10px; padding-right: 10px; border-radius: 16px; }
.feed-item h3 { margin: 0; font-size: 1rem; }
.feed-item p { margin: 2px 0 0; color: var(--muted); font-size: .9rem; }
.tag, .heat {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px;
  padding: .28rem .68rem;
  font-size: .75rem;
  font-weight: 700;
  border: 1px solid transparent;
}
.tag { background: var(--mist); color: var(--brand-deep); }
.tag.warn { background: #f8e4dc; color: var(--danger); }
.tag.gold { background: var(--gold-soft); color: #6d4e0c; }
.heat { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.24); color: #fff; }
.metric-card { padding: 18px 18px 16px; position: relative; overflow: hidden; min-height: 148px; }
.metric-card strong { display: block; font-size: 1.7rem; letter-spacing: -.03em; color: var(--brand-deep); }
.metric-card span { color: var(--muted); font-size: .92rem; }
.metric-card i { position: absolute; right: 14px; top: 14px; color: var(--gold); font-size: 1.15rem; }
.metric-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); transition: .2s ease; }
.matrix-grid { grid-template-columns: 1.35fr .8fr; }
.matrix-main {
  padding: 22px;
  background: var(--grad);
  color: #f6fff9;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  min-height: 100%;
}
.matrix-main img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  border-radius: 20px;
  margin-bottom: 16px;
}
.matrix-main h3 { margin: 8px 0; font-size: 1.45rem; }
.matrix-main p { color: rgba(246,255,249,.9); }
.matrix-side { padding: 18px 18px 8px; }
.rank-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.rank-no {
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--brand-deep); color: #fff; font-weight: 800; font-size: .85rem;
}
.service-strips { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.strip { display: grid; grid-template-columns: auto 1fr; gap: 12px; padding: 16px 18px; align-items: start; }
.strip i {
  width: 42px; height: 42px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--mist); color: var(--brand-deep);
}
.strip h3 { margin: 0 0 4px; font-size: 1.02rem; }
.strip p { margin: 0; color: var(--muted); }
.compare-col { padding: 22px; height: 100%; }
.compare-col.good { background: linear-gradient(180deg, #ffffff, #f3faf6); }
.compare-col.bad { background: linear-gradient(180deg, #fff, #fff6f3); }
.compare-col h3 { margin: 10px 0; }
.compare-col ul { margin: 0; padding: 0; list-style: none; }
.compare-col li {
  padding: 10px 0 10px 28px;
  position: relative;
  border-top: 1px solid var(--line);
}
.compare-col li::before {
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute; left: 0; top: 12px;
}
.compare-col.good li::before { content: "\f00c"; color: var(--brand); }
.compare-col.bad li::before { content: "\f00d"; color: var(--danger); }
.result-note {
  margin-top: 14px;
  padding: 16px 18px;
  border-radius: 20px;
  background: var(--brand-deep);
  color: #f4fff8;
  display: flex; gap: 12px; align-items: center;
}
.mile-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative;
  gap: 12px;
}
.mile-track::before {
  content: "";
  position: absolute;
  top: 22px; left: 4%; right: 4%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--gold));
}
.mile { position: relative; padding-right: 8px; }
.mile b {
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  background: #fff;
  border: 2px solid var(--brand);
  color: var(--brand-deep);
  position: relative; z-index: 1;
  margin-bottom: 10px;
  box-shadow: var(--shadow-soft);
}
.mile h3 { font-size: 1rem; margin: 0 0 6px; }
.mile p { margin: 0; color: var(--muted); font-size: .92rem; }
.news-item { padding: 14px; margin-bottom: 12px; }
.news-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); transition: .2s ease; }
.news-thumb { width: 104px; height: 138px; object-fit: cover; border-radius: 18px; }
.news-item h3 { margin: 6px 0; font-size: 1.12rem; }
.news-item p { margin: 0; color: var(--muted); }
.news-meta { color: var(--gold); font-weight: 700; font-size: .8rem; letter-spacing: .04em; text-transform: uppercase; }
.guard-layout {
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  padding: 28px;
  border-radius: 36px;
  color: #f7fff9;
  background:
    linear-gradient(110deg, rgba(8,32,26,.9), rgba(18,122,91,.72)),
    url("/assets/images/4ea256484b61fb4d.webp") center/cover no-repeat;
  box-shadow: var(--shadow);
}
.guard-layout h2 { color: #fff; }
.guard-list { list-style: none; margin: 16px 0 0; padding: 0; }
.guard-list li { display: grid; grid-template-columns: auto 1fr; gap: 10px; padding: 10px 0; border-top: 1px solid rgba(255,255,255,.16); }
.guard-list i { color: var(--gold-soft); margin-top: 4px; }
.guard-photo { width: 100%; height: 100%; min-height: 320px; object-fit: cover; border-radius: 24px; border: 1px solid rgba(255,255,255,.24); }
.quick-grid { grid-template-columns: .75fr 1.25fr; align-items: start; }
.qa-item { padding: 16px 18px; }
.qa-item + .qa-item { margin-top: 10px; }
.qa-item strong { display: block; margin-bottom: 4px; }
.qa-item p { margin: 0; color: var(--muted); }
.accordion-item {
  border: 1px solid var(--line) !important;
  border-radius: 18px !important;
  overflow: hidden;
  margin-bottom: 12px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.accordion-button {
  font-weight: 700;
  color: var(--ink);
  background: #fff;
  box-shadow: none !important;
  padding: 16px 18px;
}
.accordion-button:not(.collapsed) { color: var(--brand-deep); background: var(--mist); }
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(18,122,91,.2) !important; }
.accordion-body { color: var(--muted); }
.lead-grid { grid-template-columns: .85fr 1.15fr; align-items: stretch; }
.form-visual { width: 100%; height: 220px; object-fit: cover; border-radius: 24px; margin-bottom: 14px; }
.form-panel { padding: 22px; }
.form-label { font-weight: 700; color: var(--brand-deep); font-size: .92rem; }
.form-control, .form-select {
  border-radius: 14px;
  border: 1px solid var(--line);
  min-height: 48px;
  color: var(--ink);
  background: #fff;
}
.form-control:focus, .form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(18,122,91,.15);
}
.form-note {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--mist);
  color: var(--brand-deep);
  font-weight: 600;
}
.side-points { list-style: none; margin: 0; padding: 0; }
.side-points li { padding: 8px 0 8px 22px; position: relative; color: var(--muted); }
.side-points li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); position: absolute; left: 0; top: .7em; }
.float-bar {
  position: fixed;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  z-index: 40;
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 8px;
  background: rgba(255,255,255,.95);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  max-width: calc(100% - 20px);
}
.float-bar a { font-weight: 700; padding: .55rem .8rem; border-radius: 999px; }
.float-bar a:hover { background: var(--mist); }
.site-footer {
  margin-top: 10px;
  background: var(--brand-deep);
  color: #e7f6ef;
  padding: 36px 0 28px;
}
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.site-footer .brand { color: #fff; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 16px; justify-content: flex-end; max-width: 680px; }
.site-footer nav a { color: rgba(255,255,255,.86); font-weight: 600; font-size: .92rem; }
.site-footer nav a:hover { color: var(--gold-soft); }
.copy {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: 22px; padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.72); font-size: .9rem;
}
@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: min(360px, 100%);
    background: rgba(255,255,255,.98);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 8px 16px 14px;
    flex-direction: column;
    align-items: flex-start;
    z-index: 60;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { width: 100%; padding: .72rem 0; }
  .open-grid, .matrix-grid, .guard-layout, .quick-grid, .lead-grid, .service-strips { grid-template-columns: 1fr; }
  .mile-track { grid-template-columns: repeat(3, 1fr); row-gap: 18px; }
  .mile-track::before { display: none; }
  .sec-head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 768px) {
  .band { padding: 42px 0; }
  .open-copy { min-height: 0; padding: 24px 20px; }
  .mile-track { grid-template-columns: 1fr; }
  .guard-photo { min-height: 220px; }
  .foot-grid, .copy { flex-direction: column; }
  .site-footer nav { justify-content: flex-start; }
}
@media (max-width: 520px) {
  .brand { font-size: .92rem; max-width: 68%; }
  .hero-actions .btn-main, .hero-actions .btn-ghost, .hero-actions .btn-gold { width: 100%; }
  .feed-item { grid-template-columns: 1fr; }
  .news-thumb { width: 100%; height: 180px; }
  .float-bar { border-radius: 20px; justify-content: space-between; }
  .result-note { align-items: flex-start; }
}