/* roulang page: index */
:root {
  --ink: #14241f;
  --pine: #12362e;
  --pine-2: #1b4a3e;
  --moss: #1f8f6d;
  --moss-2: #146b51;
  --gold: #c8883a;
  --gold-2: #a86b22;
  --sand: #f4efe6;
  --cream: #fbf8f3;
  --paper: #ffffff;
  --line: #e5ddd0;
  --text: #1b2b26;
  --muted: #5e6d66;
  --danger: #9c3b32;
  --shadow: 0 18px 50px rgba(20, 36, 31, .12);
  --radius: 22px;
  --side: 272px;
  --dock: 84px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--sand);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
.shell { min-height: 100vh; }
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: var(--side); z-index: 40;
  background: linear-gradient(180deg, #102820 0%, #18382f 55%, #10241e 100%);
  color: #f6f1e7; display: flex; flex-direction: column;
  padding: 22px 16px 24px; border-right: 1px solid rgba(255,255,255,.06);
}
.brand { display: flex; gap: 12px; align-items: center; padding: 6px 8px 18px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 15px; display: grid; place-items: center;
  background: linear-gradient(145deg, #e0aa55, #9a6420); color: #1a140c; font-weight: 800;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.35);
}
.brand strong { display: block; font-size: 16px; line-height: 1.25; letter-spacing: -.02em; }
.brand small { display: block; color: #d9c7aa; font-size: 12px; margin-top: 2px; }
.side-nav { display: flex; flex-direction: column; gap: 6px; overflow: auto; padding-right: 4px; }
.nav-link {
  display: flex; align-items: center; gap: 10px; min-height: 46px;
  padding: 8px 12px; border-radius: 14px; color: #efe6d8; font-weight: 600; font-size: 14.5px;
  border: 1px solid transparent; transition: .2s ease;
}
.nav-link i { width: 18px; text-align: center; color: #e2b56a; }
.nav-link:hover { background: rgba(255,255,255,.06); transform: translateX(3px); }
.nav-link:focus-visible, .btn:focus-visible, .chip:focus-visible, .pack-btn:focus-visible, .icon-btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--gold); outline-offset: 3px;
}
.nav-link.active { background: #f6f1e7; color: var(--pine); border-color: #f6f1e7; }
.nav-link.active i { color: var(--gold-2); }
.side-note {
  margin-top: auto; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px; padding: 14px; font-size: 13px; color: #eadfce;
}
.workspace { margin-left: var(--side); padding-bottom: calc(var(--dock) + 18px); }
.mobile-bar {
  display: none; position: sticky; top: 0; z-index: 30; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 16px; background: rgba(251,248,243,.94); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.icon-btn {
  width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--line); background: white; color: var(--pine);
}
.backdrop { position: fixed; inset: 0; background: rgba(12, 22, 18, .45); opacity: 0; pointer-events: none; transition: .2s; z-index: 35; }
body.nav-open .backdrop { opacity: 1; pointer-events: auto; }
.wrap { width: min(1140px, calc(100% - 40px)); margin: 0 auto; }
.hero { position: relative; min-height: 640px; display: grid; align-items: center; overflow: hidden; color: white; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,28,24,.78), rgba(12,36,30,.88) 70%); }
.hero-inner { position: relative; z-index: 1; text-align: center; padding: 72px 0 64px; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px; border-radius: 999px; padding: 6px 12px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); color: #f3ddb4;
  font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
}
h1 { font-size: clamp(36px, 5vw, 64px); line-height: 1.08; margin: 16px 0 14px; letter-spacing: -.04em; }
.lede { max-width: 820px; margin: 0 auto 22px; color: #f4ecdf; font-size: 17px; }
.search-box {
  display: flex; gap: 8px; align-items: center; max-width: 720px; margin: 0 auto;
  background: white; border-radius: 18px; padding: 8px; box-shadow: var(--shadow);
}
.search-box i { color: var(--moss); margin-left: 10px; }
.search-box input {
  flex: 1; border: 0; min-height: 52px; font-size: 16px; color: var(--text); background: transparent;
}
.search-box input:focus { outline: none; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
  padding: 0 18px; border-radius: 14px; border: 1px solid transparent; font-weight: 700;
  transition: .2s ease; background: var(--gold); color: #1d140a;
}
.btn:hover { transform: translateY(-2px); background: #d79a49; }
.btn:active { transform: translateY(0); }
.btn.dark { background: var(--pine); color: white; }
.btn.dark:hover { background: #1b4d41; }
.btn.line { background: transparent; color: white; border-color: rgba(255,255,255,.4); }
.btn.line:hover { background: white; color: var(--pine); }
.btn.ghost { background: white; color: var(--pine); border-color: var(--line); }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; }
.chip {
  border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.08); color: white;
  border-radius: 999px; padding: 8px 12px; font-weight: 600; font-size: 13px;
}
.chip:hover { background: white; color: var(--pine); }
section { padding: 72px 0; }
.block-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 26px; }
.block-head h2, .center-head h2, .band h3, .scene-copy h2, .form-copy h2 { margin: 0 0 8px; letter-spacing: -.03em; line-height: 1.2; font-size: clamp(28px, 3vw, 40px); }
.eyebrow { color: var(--gold-2); font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }
.muted { color: var(--muted); }
.intro { max-width: 680px; margin: 0; }
.catalog-grid, .scene-grid, .compare-grid, .news-grid, .form-grid, .object-grid { display: grid; gap: 22px; }
.catalog-grid { grid-template-columns: 320px 1fr; }
.tree, .panel, .card, .bubble, .news-feature, .version, .object, .matrix-item, .scene-copy, .form-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(20,36,31,.04);
}
.tree, .panel { padding: 16px; }
.pack-btn {
  width: 100%; text-align: left; border: 1px solid transparent; background: var(--sand); border-radius: 16px;
  padding: 12px; margin-bottom: 8px; display: flex; gap: 10px; align-items: center;
}
.pack-btn strong { display: block; font-size: 14px; }
.pack-btn span { color: var(--muted); font-size: 12px; }
.pack-btn.active, .pack-btn:hover { border-color: #d7c3a2; background: #fffaf3; }
.file-ico { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: #e7f5ef; color: var(--moss-2); }
.panel-top { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 4px 10px; background: #e8f6f0; color: var(--moss-2); font-size: 12px; font-weight: 800; }
.badge.gold { background: #f8ecd9; color: #8a5a16; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.meta-row b { background: var(--sand); border-radius: 999px; padding: 6px 10px; font-size: 13px; }
.cover { width: 100%; height: 220px; object-fit: cover; border-radius: 16px; }
.band { display: grid; grid-template-columns: 92px 1fr 180px; gap: 18px; align-items: center; padding: 22px; margin-bottom: 14px; background: white; border: 1px solid var(--line); border-radius: 24px; }
.num { font-size: 34px; font-weight: 800; color: var(--gold-2); }
.band p { margin: 0; color: var(--muted); }
.charts { position: relative; color: white; overflow: hidden; border-radius: 0; }
.charts-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.charts .wrap { position: relative; z-index: 1; }
.charts-scrim { position: absolute; inset: 0; background: rgba(10, 28, 24, .88); }
.charts h2 { color: white; }
.chart-list { display: grid; gap: 14px; }
.bar-line { display: grid; grid-template-columns: 180px 1fr 52px; gap: 12px; align-items: center; }
.track { height: 12px; background: rgba(255,255,255,.12); border-radius: 99px; overflow: hidden; }
.track span { display: block; height: 100%; background: linear-gradient(90deg, #e0aa55, #8fd0b4); border-radius: inherit; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.stat { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 18px; padding: 16px; }
.stat b { display: block; font-size: 28px; }
.scene-grid { grid-template-columns: 1.05fr .95fr; align-items: center; }
.scene-photo { position: relative; }
.scene-photo img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; }
.step { display: grid; grid-template-columns: 42px 1fr; gap: 12px; margin-top: 16px; }
.step i { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: #e7f5ef; color: var(--moss-2); }
.bubbles { columns: 3; gap: 14px; }
.bubble { break-inside: avoid; margin-bottom: 14px; padding: 16px; }
.who { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.who img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.bubble p { margin: 0; }
.compare-grid { grid-template-columns: 1fr 1fr; }
.compare-card { padding: 22px; border-radius: 28px; }
.compare-card.good { background: #12362e; color: white; }
.compare-card ul, .plain-list { margin: 0; padding: 0; list-style: none; }
.compare-card li, .plain-list li { padding: 10px 0; border-top: 1px solid rgba(127,127,127,.2); }
.rail { display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; }
.res-card { min-width: 280px; scroll-snap-align: start; background: white; border-radius: 22px; border: 1px solid var(--line); overflow: hidden; }
.res-card img { height: 160px; width: 100%; object-fit: cover; }
.res-card div { padding: 14px 14px 16px; }
.matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.matrix-item { display: flex; gap: 14px; padding: 16px; align-items: center; transition: .2s ease; }
.matrix-item:hover { transform: translateY(-3px); border-color: #e0c49a; }
.idx { font-weight: 800; color: var(--gold-2); font-size: 20px; width: 42px; }
.news-grid { grid-template-columns: 1.2fr .8fr; }
.news-feature img { height: 250px; width: 100%; object-fit: cover; border-radius: 22px 22px 0 0; }
.news-feature div, .news-list a { padding: 16px; }
.news-list { display: flex; flex-direction: column; gap: 10px; }
.news-list a { display: grid; grid-template-columns: 92px 1fr; gap: 10px; background: white; border-radius: 18px; border: 1px solid var(--line); }
.news-list img { width: 92px; height: 78px; object-fit: cover; border-radius: 12px; }
.more { display: inline-flex; margin-top: 12px; font-weight: 800; color: var(--moss-2); }
.path { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; position: relative; }
.path article { background: white; border-radius: 22px; padding: 16px; border: 1px solid var(--line); min-height: 180px; }
.path em { color: var(--gold-2); font-style: normal; font-weight: 800; }
.versions { display: grid; gap: 0; }
.version { display: grid; grid-template-columns: 140px 1fr; gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--line); background: transparent; box-shadow: none; border-radius: 0; border-left: 0; border-right: 0; border-top: 0; }
.object-grid { grid-template-columns: 1fr 1fr; }
.object { padding: 18px; }
.object h3 { margin: 0 0 8px; font-size: 20px; }
.guarantee { background: #12362e; color: white; }
.g-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.g-item { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: 18px; padding: 16px; }
.g-item i { color: #e2b56a; font-size: 22px; }
.form-grid { grid-template-columns: .9fr 1.1fr; align-items: stretch; }
.form-visual { position: relative; min-height: 100%; border-radius: 28px; overflow: hidden; }
.form-visual img { width: 100%; height: 100%; object-fit: cover; min-height: 520px; }
.form-visual div { position: absolute; inset: auto 16px 16px 16px; background: rgba(16,32,28,.82); color: white; border-radius: 18px; padding: 16px; }
.form-card { padding: 22px; }
label { display: block; font-weight: 700; margin: 12px 0 6px; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); background: #fffdf9; border-radius: 14px; min-height: 48px; padding: 10px 12px; color: var(--text);
}
textarea { min-height: 90px; resize: vertical; }
.form-note { font-size: 13px; color: var(--muted); }
.result { display: none; margin-top: 12px; background: #e8f6f0; border-radius: 14px; padding: 12px; color: #135743; }
.result.show { display: block; }
.site-footer { background: #101c18; color: #efe6d8; padding: 36px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.foot-links { display: flex; gap: 14px; flex-wrap: wrap; }
.foot-links a:hover { color: #e2b56a; }
.dock {
  position: fixed; z-index: 45; left: var(--side); right: 0; bottom: 0; background: rgba(251,248,243,.96);
  border-top: 1px solid var(--line); backdrop-filter: blur(12px);
}
.dock .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: var(--dock); }
.empty { display: none; padding: 12px; color: var(--danger); }
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-105%); transition: .25s ease; }
  body.nav-open .sidebar { transform: none; }
  .workspace { margin-left: 0; }
  .mobile-bar { display: flex; }
  .dock { left: 0; }
  .catalog-grid, .scene-grid, .news-grid, .form-grid, .compare-grid { grid-template-columns: 1fr; }
  .bubbles { columns: 2; }
  .path, .g-row, .stat-row { grid-template-columns: 1fr 1fr; }
  .scene-photo img, .form-visual img { height: 280px; min-height: 280px; }
}
@media (max-width: 768px) {
  .wrap { width: min(100% - 28px, 1140px); }
  section { padding: 52px 0; }
  .block-head, .band, .bar-line, .version, .dock .wrap { display: block; }
  .band { grid-template-columns: 1fr; }
  .bar-line { margin-bottom: 12px; }
  .matrix, .object-grid, .path, .g-row, .stat-row, .bubbles { grid-template-columns: 1fr; columns: 1; }
  .search-box { flex-direction: column; align-items: stretch; }
  .hero { min-height: 0; }
  .hero-inner { padding: 48px 0; }
  h1 { font-size: 36px; }
}
@media (max-width: 520px) {
  .news-list a { grid-template-columns: 1fr; }
  .hero-actions .btn, .dock .btn, .search-box .btn { width: 100%; }
  .meta-row b { width: 100%; }
}

/* roulang page: category2 */
:root {
 --ink: #14241f;
 --pine: #12362e;
 --pine-2: #1b4a3e;
 --moss: #1f8f6d;
 --moss-2: #146b51;
 --gold: #c8883a;
 --gold-2: #a86b22;
 --sand: #f4efe6;
 --cream: #fbf8f3;
 --paper: #ffffff;
 --line: #e5ddd0;
 --text: #1b2b26;
 --muted: #5e6d66;
 --danger: #9c3b32;
 --shadow: 0 18px 50px rgba(20, 36, 31, .12);
 --radius: 22px;
 --side: 272px;
 --dock: 84px;
}
/* roulang page: ti-ios */
:root {
 --ink: #14241f;
 --pine: #12362e;
 --pine-2: #1b4a3e;
 --moss: #1f8f6d;
 --moss-2: #146b51;
 --gold: #c8883a;
 --gold-2: #a86b22;
 --sand: #f4efe6;
 --cream: #fbf8f3;
 --paper: #ffffff;
 --line: #e5ddd0;
 --text: #1b2b26;
 --muted: #5e6d66;
 --danger: #9c3b32;
 --shadow: 0 18px 50px rgba(20, 36, 31, .12);
 --radius: 22px;
 --side: 272px;
 --dock: 84px;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
 color: var(--text);
 background: var(--sand);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
.brand { display: flex; gap: 12px; align-items: center; padding: 6px 8px 18px; }
.brand-mark {
 width: 46px; height: 46px; border-radius: 15px; display: grid; place-items: center;
 background: linear-gradient(145deg, #e0aa55, #9a6420); color: #1a140c; font-weight: 800;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.35);
}
.brand strong { display: block; font-size: 16px; line-height: 1.25; letter-spacing: -.02em; }
.brand small { display: block; color: #d9c7aa; font-size: 12px; margin-top: 2px; }
.side-nav { display: flex; flex-direction: column; gap: 6px; overflow: auto; padding-right: 4px; }
.nav-link {
 display: flex; align-items: center; gap: 10px; min-height: 46px;
 padding: 8px 12px; border-radius: 14px; color: #efe6d8; font-weight: 600; font-size: 14.5px;
 border: 1px solid transparent; transition: .2s ease;
}
.nav-link i { width: 18px; text-align: center; color: #e2b56a; }
.nav-link:hover { background: rgba(255,255,255,.06); transform: translateX(3px); }
.nav-link:focus-visible, .btn:focus-visible, .chip:focus-visible, .pack-btn:focus-visible, .icon-btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--gold); outline-offset: 3px;
}
.nav-link.active { background: #f6f1e7; color: var(--pine); border-color: #f6f1e7; }
.nav-link.active i { color: var(--gold-2); }
.mobile-bar {
 display: none; position: sticky; top: 0; z-index: 30; align-items: center; justify-content: space-between;
 gap: 12px; padding: 12px 16px; background: rgba(251,248,243,.94); backdrop-filter: blur(10px);
 border-bottom: 1px solid var(--line);
}
.icon-btn {
 width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--line); background: white; color: var(--pine);
}
.backdrop { position: fixed; inset: 0; background: rgba(12, 24, 20, .46); opacity: 0; pointer-events: none; transition: .2s ease; z-index: 35; }
body.nav-open .backdrop { opacity: 1; pointer-events: auto; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
 padding: 0 18px; border-radius: 14px; border: 1px solid transparent; font-weight: 700;
 transition: .2s ease; background: var(--gold); color: #1d140a;
}
.btn:hover { transform: translateY(-2px); background: #d79a49; }
.btn:active { transform: translateY(0); }
.btn.dark { background: var(--pine); color: white; }
.btn.dark:hover { background: #1b4d41; }
.btn.line { background: transparent; color: white; border-color: rgba(255,255,255,.4); }
.btn.line:hover { background: white; color: var(--pine); }
.btn.ghost { background: white; color: var(--pine); border-color: var(--line); }
.btn.ghost:hover { border-color: #d7c3a2; background: #fffaf3; }
section { padding: 72px 0; }
.block-head h2, .center-head h2, .band h3, .scene-copy h2, .form-copy h2 { margin: 0 0 8px; letter-spacing: -.03em; line-height: 1.2; font-size: clamp(28px, 3vw, 40px); }
.eyebrow { color: var(--gold-2); font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }
.muted { color: var(--muted); }
.catalog-grid, .scene-grid, .compare-grid, .news-grid, .form-grid, .object-grid { display: grid; gap: 22px; }
.catalog-grid { grid-template-columns: 320px 1fr; }
.tree, .panel, .card, .bubble, .news-feature, .version, .object, .matrix-item, .scene-copy, .form-card {
 background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(20,36,31,.04);
}
.pack-btn {
 width: 100%; text-align: left; border: 1px solid transparent; background: var(--sand); border-radius: 16px;
 padding: 12px; margin-bottom: 8px; display: flex; gap: 10px; align-items: center;
}
.pack-btn strong { display: block; font-size: 14px; }
.pack-btn span { color: var(--muted); font-size: 12px; }
.pack-btn.active, .pack-btn:hover { border-color: #d7c3a2; background: #fffaf3; }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 4px 10px; background: #e8f6f0; color: var(--moss-2); font-size: 12px; font-weight: 800; }
.badge.gold { background: #f8ecd9; color: #8a5a16; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.meta-row b { background: var(--sand); border-radius: 999px; padding: 6px 10px; font-size: 13px; }
.chart-list { display: grid; gap: 14px; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.scene-grid { grid-template-columns: 1.05fr .95fr; align-items: center; }
.scene-photo img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; }
.who img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.compare-grid { grid-template-columns: 1fr 1fr; }
.compare-card { padding: 22px; border-radius: 28px; }
.app-shell { display: grid; grid-template-columns: var(--side) minmax(0, 1fr); min-height: 100vh; }
.sidebar {
 position: sticky; top: 0; height: 100vh; background: linear-gradient(180deg, var(--pine), #0e2b25);
 color: #efe6d8; padding: 22px 16px 18px; display: flex; flex-direction: column; z-index: 40;
 border-right: 1px solid rgba(255,255,255,.04);
}
.content-col { min-width: 0; background: radial-gradient(1200px 400px at 90% -10%, #fff, transparent 50%), var(--sand); }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.mobile-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--pine); }
.mobile-brand span { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(145deg, #e0aa55, #9a6420); color: #1a140c; }
.crumb { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.crumb a:hover { color: var(--moss-2); }
.ios-lead { padding-top: 54px; }
.lead-copy h1 { margin: 0 0 12px; font-size: clamp(34px, 4vw, 56px); line-height: 1.08; letter-spacing: -.04em; color: var(--ink); }
.lead-copy p { font-size: 18px; max-width: 640px; }
.lead-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.phone-card { overflow: hidden; padding: 12px; }
.phone-card img { height: 280px; width: 100%; object-fit: cover; border-radius: 18px; }
.phone-card .pad { padding: 14px 8px 8px; }
.spec-board { background: linear-gradient(180deg, rgba(255,255,255,.45), transparent); }
.spec-dl { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
.spec-dl div { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.spec-dl dt { color: var(--muted); font-weight: 600; }
.spec-dl dd { margin: 0; font-weight: 800; color: var(--pine); text-align: right; }
.device-board { background: var(--cream); border-block: 1px solid var(--line); }
.device-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 22px; align-items: start; }
.meter-row { display: grid; grid-template-columns: 150px 1fr 52px; gap: 12px; align-items: center; margin-bottom: 12px; }
.meter-row b { font-size: 14px; }
.meter { height: 10px; background: #efe6d8; border-radius: 999px; overflow: hidden; }
.meter span { display: block; height: 100%; background: linear-gradient(90deg, var(--moss), #35b08a); border-radius: inherit; }
.meter-row em { font-style: normal; font-weight: 800; color: var(--moss-2); text-align: right; }
.check-card { padding: 20px; }
.check-card label { display: block; font-weight: 700; margin-bottom: 8px; }
.check-card select { width: 100%; min-height: 48px; border-radius: 14px; border: 1px solid var(--line); background: var(--sand); padding: 0 12px; color: var(--text); }
.check-result { margin-top: 14px; padding: 12px 14px; border-radius: 16px; background: #e8f6f0; color: var(--pine); font-weight: 600; }
.scene-copy { padding: 8px 8px 8px 0; }
.scene-copy ul { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.scene-copy li { display: flex; gap: 10px; align-items: flex-start; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; }
.scene-copy li i { color: var(--moss); margin-top: 3px; }
.diff-board .compare-card.good { background: var(--pine); color: #f6f1e7; }
.diff-board .compare-card.good .muted { color: #d9cbb6; }
.diff-board .compare-card.warn { background: #fff; }
.diff-list { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.diff-list li { display: flex; gap: 8px; align-items: flex-start; }
.log-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 22px; align-items: center; }
.log-photo img { width: 100%; height: 420px; object-fit: cover; border-radius: 28px; }
.timeline { position: relative; display: grid; gap: 0; }
.timeline article { display: grid; grid-template-columns: 18px 1fr; gap: 14px; }
.rail { width: 18px; position: relative; }
.rail::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: -8px; width: 2px; background: #e4d5bf; }
.timeline article:last-child .rail::before { display: none; }
.dot { width: 16px; height: 16px; border-radius: 50%; background: var(--gold); border: 3px solid #fff4e4; box-shadow: 0 0 0 1px #e4c89a; position: relative; z-index: 1; }
.version { padding: 16px 18px; margin-bottom: 12px; }
.version strong { display: block; }
.qa-list { display: grid; gap: 10px; }
.qa-list details { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 14px 16px; }
.qa-list summary { cursor: pointer; font-weight: 800; color: var(--pine); list-style: none; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.qa-list summary::-webkit-details-marker { display: none; }
.qa-list summary:after { content: "+"; color: var(--gold-2); font-size: 22px; line-height: 1; }
.qa-list details[open] summary:after { content: "–"; }
.qa-list details p { margin: 10px 0 0; }
.close-band { position: relative; overflow: hidden; color: white; border-radius: 0; padding: 0; }
.close-band .band-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.close-band .scrim { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10,28,24,.92), rgba(18,54,46,.78)); }
.close-inner { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 22px; align-items: center; padding: 42px 0; }
.close-inner h2 { margin: 0 0 8px; font-size: clamp(28px, 3vw, 40px); letter-spacing: -.03em; line-height: 1.15; }
.site-footer { background: #0e241f; color: #efe6d8; padding: 36px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.foot-links { display: flex; flex-wrap: wrap; gap: 12px 16px; }
.foot-links a { color: #f3eadc; font-weight: 600; }
.foot-links a:hover { color: #e2b56a; }
@media (max-width: 1024px) {
 .app-shell { grid-template-columns: 1fr; }
 .sidebar { position: fixed; left: 0; top: 0; width: min(320px, 88vw); transform: translateX(-105%); transition: transform .25s ease; height: 100vh; }
 body.nav-open .sidebar { transform: none; }
 .mobile-bar { display: flex; }
 .device-layout, .scene-grid, .compare-grid, .log-layout, .catalog-grid { grid-template-columns: 1fr; }
 .scene-photo img, .log-photo img { height: 320px; }
 .close-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 768px) {
 section { padding: 56px 0; }
 .spec-dl, .stat-row { grid-template-columns: 1fr; }
 .meter-row { grid-template-columns: 1fr; gap: 4px; }
 .lead-copy p { font-size: 16px; }
 .foot-grid { flex-direction: column; }
 .wrap { width: min(1120px, calc(100% - 28px)); }
}
@media (max-width: 520px) {
 .lead-copy h1 { font-size: 32px; }
 .lead-actions .btn, .close-inner .btn { width: 100%; }
 .phone-card img { height: 210px; }
 .meta-row b { font-size: 12px; }
}

/* roulang page: category1 */
:root {
 --ink: #14241f;
 --pine: #12362e;
 --pine-2: #1b4a3e;
 --moss: #1f8f6d;
 --moss-2: #146b51;
 --gold: #c8883a;
 --gold-2: #a86b22;
 --sand: #f4efe6;
 --cream: #fbf8f3;
 --paper: #ffffff;
 --line: #e5ddd0;
 --text: #1b2b26;
 --muted: #5e6d66;
 --danger: #9c3b32;
 --shadow: 0 18px 50px rgba(20, 36, 31, .12);
 --radius: 22px;
 --side: 272px;
 --dock: 84px;
}
/* roulang page: ti-android */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
 color: var(--text);
 background: var(--sand);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
.skip {
 position: absolute; left: 12px; top: -48px; z-index: 80;
 background: var(--gold); color: #1d140a; font-weight: 800;
 padding: 10px 14px; border-radius: 12px;
}
.skip:focus { top: 12px; }
.sidebar {
 position: fixed; inset: 0 auto 0 0; width: var(--side); z-index: 50;
 background: linear-gradient(180deg, var(--pine) 0%, #0e2b25 100%);
 color: #efe6d8; padding: 22px 16px 18px;
 display: flex; flex-direction: column; gap: 8px;
 border-right: 1px solid rgba(255,255,255,.06);
}
.brand { display: flex; gap: 12px; align-items: center; padding: 6px 8px 18px; }
.brand-mark {
 width: 46px; height: 46px; border-radius: 15px; display: grid; place-items: center;
 background: linear-gradient(145deg, #e0aa55, #9a6420); color: #1a140c; font-weight: 800;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.35); flex: 0 0 auto;
}
.brand strong { display: block; font-size: 16px; line-height: 1.25; letter-spacing: -.02em; }
.brand small { display: block; color: #d9c7aa; font-size: 12px; margin-top: 2px; }
.side-nav { display: flex; flex-direction: column; gap: 6px; overflow: auto; padding-right: 4px; }
.nav-link {
 display: flex; align-items: center; gap: 10px; min-height: 46px;
 padding: 8px 12px; border-radius: 14px; color: #efe6d8; font-weight: 600; font-size: 14.5px;
 border: 1px solid transparent; transition: .2s ease;
}
.nav-link i { width: 18px; text-align: center; color: #e2b56a; }
.nav-link:hover { background: rgba(255,255,255,.06); transform: translateX(3px); }
.nav-link:focus-visible, .btn:focus-visible, .chip:focus-visible, .pack-btn:focus-visible, .icon-btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
 outline: 2px solid var(--gold); outline-offset: 3px;
}
.nav-link.active { background: #f6f1e7; color: var(--pine); border-color: #f6f1e7; }
.nav-link.active i { color: var(--gold-2); }
.mobile-bar {
 display: none; position: sticky; top: 0; z-index: 45; align-items: center; justify-content: space-between;
 gap: 12px; padding: 12px 16px; background: rgba(251,248,243,.94); backdrop-filter: blur(10px);
 border-bottom: 1px solid var(--line);
}
.m-brand { display: flex; align-items: center; gap: 10px; color: var(--pine); font-weight: 800; }
.m-brand .brand-mark { width: 40px; height: 40px; border-radius: 13px; }
.icon-btn {
 width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--line); background: white; color: var(--pine);
 display: grid; place-items: center; transition: .2s ease;
}
.icon-btn:hover { border-color: #d7c3a2; transform: translateY(-1px); }
.backdrop { position: fixed; inset: 0; background: rgba(12, 24, 20, .46); opacity: 0; pointer-events: none; transition: .2s ease; z-index: 40; }
body.nav-open .backdrop { opacity: 1; pointer-events: auto; }
.page-shell { margin-left: var(--side); min-height: 100vh; padding-bottom: calc(var(--dock) + 18px); }
.wrap { width: min(1080px, calc(100% - 48px)); margin: 0 auto; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
 padding: 0 18px; border-radius: 14px; border: 1px solid transparent; font-weight: 700;
 transition: .2s ease; background: var(--gold); color: #1d140a;
}
.btn:hover { transform: translateY(-2px); background: #d79a49; }
.btn:active { transform: translateY(0); }
.btn.dark { background: var(--pine); color: white; }
.btn.dark:hover { background: #1b4d41; }
.btn.line { background: transparent; color: white; border-color: rgba(255,255,255,.4); }
.btn.line:hover { background: white; color: var(--pine); }
.btn.ghost { background: white; color: var(--pine); border-color: var(--line); }
.btn.ghost:hover { border-color: #d7c3a2; background: #fffaf3; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
 border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.08); color: white;
 border-radius: 999px; padding: 8px 12px; font-weight: 600; font-size: 13px;
}
.chip:hover { background: white; color: var(--pine); }
section { padding: 72px 0; }
.eyebrow { color: var(--gold-2); font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 6px; }
.muted { color: var(--muted); }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 4px 10px; background: #e8f6f0; color: var(--moss-2); font-size: 12px; font-weight: 800; }
.badge.gold { background: #f8ecd9; color: #8a5a16; }
.card, .panel, .tree, .bubble, .news-feature, .version, .object, .matrix-item, .scene-copy, .form-card, .note-card, .compare-card, .package-panel {
 background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(20,36,31,.04);
}
.block-head h2, .center-head h2, .band h3, .scene-copy h2, .form-copy h2 {
 margin: 0 0 8px; letter-spacing: -.03em; line-height: 1.2; font-size: clamp(28px, 3vw, 40px);
}
.cat-hero { position: relative; overflow: hidden; color: white; padding: 54px 0 58px; }
.hero-media {
 position: absolute; inset: 0;
 background:
  linear-gradient(100deg, rgba(8,24,21,.94) 0%, rgba(10,28,24,.86) 48%, rgba(10,28,24,.62) 100%),
  url('/assets/images/10fecd774522d755.webp') center/cover no-repeat;
}
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,28,24,.15), rgba(8,22,19,.4)); }
.hero-grid, .folder-grid, .fit-grid, .inside-grid, .compare-grid, .band-grid, .catalog-grid, .scene-grid, .form-grid, .object-grid, .news-grid {
 display: grid; gap: 22px;
}
.hero-grid { position: relative; z-index: 1; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 34px; }
.crumb { display: flex; gap: 8px; align-items: center; color: #eadcc6; font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.crumb a { border-bottom: 1px solid transparent; }
.crumb a:hover { border-bottom-color: #e2b56a; color: white; }
.cat-hero h1 { margin: 0 0 12px; font-size: clamp(34px, 4.4vw, 56px); line-height: 1.12; letter-spacing: -.035em; }
.lead { margin: 0; color: #f3ecdf; font-size: 17px; max-width: 640px; }
.tick { margin-top: 18px; display: grid; gap: 10px; }
.tick li { display: flex; gap: 10px; align-items: flex-start; color: #f7f1e6; font-weight: 600; }
.tick i { color: #e2b56a; margin-top: 4px; }
.hero-actions { display: flex; justify-content: flex-start; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.trust-line { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.trust-line span {
 border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.08);
 border-radius: 999px; padding: 6px 10px; font-size: 13px; font-weight: 700; color: #f6efe4;
}
.package-panel { overflow: hidden; color: var(--text); box-shadow: var(--shadow); }
.package-panel img { width: 100%; height: 214px; object-fit: cover; }
.panel-body { padding: 18px 18px 20px; display: grid; gap: 12px; }
.panel-body h2 { margin: 0; font-size: 22px; letter-spacing: -.03em; }
.spec-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.spec-mini div { background: var(--sand); border-radius: 14px; padding: 10px 12px; }
.spec-mini span { display: block; color: var(--muted); font-size: 12px; font-weight: 700; }
.spec-mini strong { font-size: 14px; }
.folder-grid { grid-template-columns: 1.35fr .65fr; align-items: start; }
.spec-list { display: grid; }
.spec-list div {
 display: grid; grid-template-columns: 180px 1fr; gap: 12px;
 padding: 14px 0; border-bottom: 1px solid var(--line);
}
.spec-list dt { font-weight: 800; color: var(--pine); }
.spec-list dd { margin: 0; }
.code-line {
 display: flex; justify-content: space-between; gap: 12px; align-items: center;
 background: var(--pine); color: white; border-radius: 18px; padding: 14px;
}
.code-line b { font-size: 20px; letter-spacing: .04em; }
.note-card { padding: 20px; }
.note-card h3, .form-card h3, .compare-card h3 { margin: 0 0 8px; letter-spacing: -.03em; }
.note-card li, .check-list li, .compare-card li {
 display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; font-weight: 600;
}
.note-card i, .check-list i { color: var(--moss); margin-top: 4px; }
.fit-grid { grid-template-columns: .9fr 1.1fr; align-items: start; }
.photo-frame img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; border-radius: 28px; }
.stack { display: grid; gap: 16px; }
.meter { background: white; border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; }
.meter-top { display: flex; justify-content: space-between; gap: 10px; font-size: 14px; font-weight: 700; }
.meter-top span { color: var(--muted); font-weight: 600; }
.meter-track { height: 8px; background: #efe7da; border-radius: 999px; margin-top: 8px; overflow: hidden; }
.meter-track i { display: block; height: 100%; background: linear-gradient(90deg, var(--moss), #35b489); border-radius: inherit; }
.form-card { padding: 18px; display: grid; gap: 12px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 800; font-size: 14px; }
select, input, textarea {
 width: 100%; min-height: 48px; border-radius: 14px; border: 1px solid var(--line);
 background: white; color: var(--text); padding: 0 12px;
}
textarea { padding: 12px; min-height: 96px; }
select:hover, input:hover, textarea:hover { border-color: #d7c3a2; }
.result { margin: 0; background: var(--sand); border-radius: 16px; padding: 12px 14px; color: var(--pine); font-weight: 650; font-weight: 600; }
.result.is-bad { background: #fdeceb; color: var(--danger); }
.inside-grid { grid-template-columns: .86fr 1.14fr; align-items: center; }
.feature-stack { display: grid; gap: 12px; }
.feature-item {
 display: grid; grid-template-columns: 52px 1fr; gap: 12px; align-items: center;
 background: white; border: 1px solid var(--line); border-radius: 18px; padding: 14px;
 transition: .2s ease;
}
.feature-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #e4d3b6; }
.feature-item i {
 width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center;
 background: #f8ecd9; color: var(--gold-2); font-size: 18px;
}
.feature-item h3 { margin: 0; font-size: 17px; }
.feature-item p { margin: 2px 0 0; color: var(--muted); }
.perm-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.perm-row span { background: white; border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; font-weight: 700; font-size: 13px; }
.compare-grid { grid-template-columns: 1fr 1fr; }
.compare-card { padding: 22px; border-radius: 28px; }
.compare-card.good { background: #12362e; color: white; border-color: #12362e; }
.compare-card.good .muted { color: #d9cbb6; }
.compare-card.bad { background: #fff; }
.compare-card li i { margin-top: 4px; }
.compare-card.good li i { color: #e2b56a; }
.compare-card.bad li i { color: var(--danger); }
.compare-card:hover { transform: translateY(-3px); transition: .2s ease; }
.timeline { display: grid; gap: 0; position: relative; }
.tl-item {
 display: grid; grid-template-columns: 120px 22px 1fr; gap: 14px;
 padding: 0 0 22px;
}
.tl-item time { font-weight: 800; color: var(--gold-2); }
.rail { width: 22px; position: relative; }
.rail::before {
 content: ""; position: absolute; left: 8px; top: 4px; bottom: -22px; width: 2px; background: #e4d5bf;
}
.tl-item:last-child .rail::before { display: none; }
.rail i {
 position: relative; z-index: 1; width: 18px; height: 18px; border-radius: 50%;
 background: white; border: 4px solid var(--moss); display: block;
}
.tl-item.now .rail i { border-color: var(--gold); background: #f8ecd9; }
.tl-copy { background: white; border: 1px solid var(--line); border-radius: 18px; padding: 14px 16px; }
.tl-copy h3 { margin: 0 0 4px; font-size: 18px; }
.tl-copy p { margin: 0; color: var(--muted); }
.faq-list { display: grid; gap: 10px; max-width: 860px; }
.faq-item { background: white; border: 1px solid var(--line); border-radius: 18px; padding: 0 16px; }
.faq-item summary { cursor: pointer; font-weight: 800; min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--gold-2); font-size: 22px; font-weight: 700; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 0 0 16px; color: var(--muted); }
.band-deep {
 background:
  linear-gradient(155deg, rgba(18,54,46,.95), rgba(14,36,31,.92)),
  url('/assets/images/46b78495e3032a84.webp') center/cover;
 color: white;
}
.band-deep .muted { color: #e4d5c0; }
.band-grid { grid-template-columns: 1.1fr .9fr; align-items: center; }
.check-list li { color: white; }
.mail-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: 24px; padding: 20px; }
.mail-card a { color: #f0c27a; font-weight: 800; overflow-wrap: anywhere; }
.site-footer { background: #0e241f; color: #efe6d8; padding: 36px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; align-items: start; }
.site-footer strong { display: block; font-size: 20px; margin-bottom: 6px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.foot-links a { color: #efe6d8; font-weight: 700; border-bottom: 1px solid transparent; }
.foot-links a:hover { color: #e2b56a; border-bottom-color: #e2b56a; }
.dock {
 position: fixed; left: var(--side); right: 0; bottom: 0; min-height: var(--dock); z-index: 25;
 background: rgba(255,255,255,.96); border-top: 1px solid var(--line);
 box-shadow: 0 -12px 30px rgba(20,36,31,.08); backdrop-filter: blur(12px);
}
.dock-inner { min-height: var(--dock); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock-inner strong { display: block; line-height: 1.2; }
.dock-inner span { color: var(--muted); font-size: 13px; font-weight: 600; }
.sec-cream { background: var(--cream); }
.sec-white { background: white; }
@media (max-width: 1024px) {
 .mobile-bar { display: flex; }
 .sidebar { transform: translateX(-105%); transition: transform .25s ease; }
 body.nav-open .sidebar { transform: none; }
 .page-shell { margin-left: 0; }
 .dock { left: 0; }
 .hero-grid, .folder-grid, .fit-grid, .inside-grid, .compare-grid, .band-grid, .catalog-grid, .scene-grid { grid-template-columns: 1fr; }
 .photo-frame img { min-height: 280px; height: 280px; }
}
@media (max-width: 768px) {
 section { padding: 56px 0; }
 .spec-list div, .tl-item { grid-template-columns: 1fr; }
 .rail { display: none; }
 .code-line, .dock-inner { align-items: flex-start; }
 .stat-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
 .wrap { width: calc(100% - 28px); }
 .cat-hero h1 { font-size: 32px; }
 .hero-actions .btn, .band-deep .btn, .form-card .btn { width: 100%; }
 .spec-mini, .stat-row { grid-template-columns: 1fr; }
 .package-panel img { height: 180px; }
 .dock-inner { flex-direction: column; align-items: stretch; padding: 10px 0; }
 .page-shell { padding-bottom: 150px; }
 .foot-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 * { transition: none !important; }
}

/* roulang page: category3 */
:root {
 --ink: #14241f;
 --pine: #12362e;
 --pine-2: #1b4a3e;
 --moss: #1f8f6d;
 --moss-2: #146b51;
 --gold: #c8883a;
 --gold-2: #a86b22;
 --sand: #f4efe6;
 --cream: #fbf8f3;
 --paper: #ffffff;
 --line: #e5ddd0;
 --text: #1b2b26;
 --muted: #5e6d66;
 --danger: #9c3b32;
 --shadow: 0 18px 50px rgba(20, 36, 31, .12);
 --radius: 22px;
 --side: 272px;
 --dock: 84px;
}
/* roulang page: category3 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
 color: var(--text);
 background: var(--sand);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
h1, h2, h3, p { margin: 0; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.sidebar {
 position: fixed; inset: 0 auto 0 0; width: var(--side); z-index: 40;
 background: linear-gradient(180deg, #16483c 0%, #0d241f 100%);
 color: #efe6d8; padding: 22px 16px 24px; display: flex; flex-direction: column;
 border-right: 1px solid rgba(255,255,255,.06);
}
.workspace { margin-left: var(--side); min-height: 100vh; }
.brand { display: flex; gap: 12px; align-items: center; padding: 6px 8px 18px; }
.brand-mark {
 width: 46px; height: 46px; border-radius: 15px; display: grid; place-items: center; flex: 0 0 auto;
 background: linear-gradient(145deg, #e0aa55, #9a6420); color: #1a140c; font-weight: 800;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.35);
}
.brand strong { display: block; font-size: 16px; line-height: 1.25; letter-spacing: -.02em; }
.brand small { display: block; color: #d9c7aa; font-size: 12px; margin-top: 2px; }
.side-nav { display: flex; flex-direction: column; gap: 6px; overflow: auto; padding-right: 4px; }
.nav-link {
 display: flex; align-items: center; gap: 10px; min-height: 46px;
 padding: 8px 12px; border-radius: 14px; color: #efe6d8; font-weight: 600; font-size: 14.5px;
 border: 1px solid transparent; transition: .2s ease;
}
.nav-link i { width: 18px; text-align: center; color: #e2b56a; }
.nav-link:hover { background: rgba(255,255,255,.06); transform: translateX(3px); }
.nav-link:focus-visible, .btn:focus-visible, .chip:focus-visible, .pack-btn:focus-visible, .icon-btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--gold); outline-offset: 3px;
}
.nav-link.active { background: #f6f1e7; color: var(--pine); border-color: #f6f1e7; }
.nav-link.active i { color: var(--gold-2); }
.mobile-bar {
 display: none; position: sticky; top: 0; z-index: 30; align-items: center; justify-content: space-between;
 gap: 12px; padding: 12px 16px; background: rgba(251,248,243,.94); backdrop-filter: blur(10px);
 border-bottom: 1px solid var(--line);
}
.mini-brand { display: flex; align-items: center; gap: 10px; color: var(--pine); font-weight: 800; }
.mini-brand .brand-mark { width: 40px; height: 40px; border-radius: 13px; }
.icon-btn {
 width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--line); background: white; color: var(--pine);
}
.backdrop { position: fixed; inset: 0; background: rgba(8, 18, 16, .46); opacity: 0; pointer-events: none; transition: .2s ease; z-index: 35; }
body.nav-open .backdrop { opacity: 1; pointer-events: auto; }
body.nav-open { overflow: hidden; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
 padding: 0 18px; border-radius: 14px; border: 1px solid transparent; font-weight: 700;
 transition: .2s ease; background: var(--gold); color: #1d140a;
}
.btn:hover { transform: translateY(-2px); background: #d79a49; }
.btn:active { transform: translateY(0); }
.btn.dark { background: var(--pine); color: white; }
.btn.dark:hover { background: #1b4d41; }
.btn.line { background: transparent; color: white; border-color: rgba(255,255,255,.4); }
.btn.line:hover { background: white; color: var(--pine); }
.btn.ghost { background: white; color: var(--pine); border-color: var(--line); }
.btn.ghost:hover { border-color: #d7c3a2; background: #fffaf3; }
section { padding: 72px 0; }
.block-head h2, .center-head h2, .band h3, .scene-copy h2, .form-copy h2 { margin: 0 0 8px; letter-spacing: -.03em; line-height: 1.2; font-size: clamp(28px, 3vw, 40px); }
.eyebrow { color: var(--gold-2); font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }
.muted { color: var(--muted); }
.catalog-grid, .scene-grid, .compare-grid, .news-grid, .form-grid, .object-grid { display: grid; gap: 22px; }
.catalog-grid { grid-template-columns: 320px 1fr; }
.tree, .panel, .card, .bubble, .news-feature, .version, .object, .matrix-item, .scene-copy, .form-card {
 background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(20,36,31,.04);
}
.pack-btn {
 width: 100%; text-align: left; border: 1px solid transparent; background: var(--sand); border-radius: 16px;
 padding: 12px; margin-bottom: 8px; display: flex; gap: 10px; align-items: center;
}
.pack-btn strong { display: block; font-size: 14px; }
.pack-btn span { color: var(--muted); font-size: 12px; }
.pack-btn.active, .pack-btn:hover { border-color: #d7c3a2; background: #fffaf3; }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 4px 10px; background: #e8f6f0; color: var(--moss-2); font-size: 12px; font-weight: 800; }
.badge.gold { background: #f8ecd9; color: #8a5a16; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.meta-row b { background: var(--sand); border-radius: 999px; padding: 6px 10px; font-size: 13px; }
.chart-list { display: grid; gap: 14px; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.scene-grid { grid-template-columns: 1.05fr .95fr; align-items: center; }
.scene-photo img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; }
.who img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.compare-grid { grid-template-columns: 1fr 1fr; }
.compare-card { padding: 22px; border-radius: 28px; }
.crumb { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.crumb a:hover { color: var(--moss-2); }
.mast { padding-top: 42px; }
.mast h1 { font-size: clamp(34px, 4vw, 56px); line-height: 1.12; letter-spacing: -.04em; color: var(--ink); max-width: 16ch; }
.lead { margin-top: 14px; color: var(--muted); font-size: 17px; max-width: 46ch; }
.mast-photo { position: relative; min-height: 420px; }
.mast-photo img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; }
.photo-card {
 position: absolute; left: 18px; right: 18px; bottom: 18px; background: rgba(255,250,243,.94);
 border-radius: 18px; padding: 14px 16px; display: flex; justify-content: space-between; gap: 12px;
 border: 1px solid rgba(255,255,255,.7); box-shadow: var(--shadow);
}
.photo-card b { display: block; font-size: 18px; letter-spacing: -.03em; }
.photo-card span { color: var(--muted); font-size: 12px; }
.metric-strip { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 26px; }
.metric {
 background: white; border: 1px solid var(--line); border-radius: 18px; padding: 14px 14px 12px;
 box-shadow: 0 8px 24px rgba(20,36,31,.04);
}
.metric em { display: block; font-style: normal; color: var(--gold-2); font-size: 12px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.metric strong { display: block; margin-top: 4px; font-size: 20px; letter-spacing: -.03em; }
.tree, .panel { padding: 22px; }
.panel-grid { display: grid; grid-template-columns: 220px 1fr; gap: 18px; align-items: start; }
.panel img { width: 100%; height: 240px; object-fit: cover; border-radius: 18px; }
.log-list { display: grid; gap: 10px; margin-top: 8px; }
.log-list li { list-style: none; display: flex; gap: 10px; align-items: flex-start; background: var(--cream); border-radius: 14px; padding: 10px 12px; }
.log-list { margin: 0; padding: 0; }
.log-list i { color: var(--moss); margin-top: 3px; }
.mile { background: linear-gradient(180deg, rgba(255,255,255,.45), transparent 80px); }
.rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 22px; position: relative; }
.rail::before { content: ""; position: absolute; left: 6%; right: 6%; top: 28px; height: 2px; background: #e4d3b6; }
.mile-item { position: relative; background: white; border: 1px solid var(--line); border-radius: 20px; padding: 16px; }
.dot { width: 14px; height: 14px; border-radius: 50%; background: var(--gold); border: 3px solid #fff3df; margin-bottom: 12px; }
.mile-item strong { display: block; font-size: 18px; }
.mile-item.now { background: var(--pine); color: white; border-color: var(--pine); }
.mile-item.now .muted { color: #d9c7aa; }
.compare-card.stable { background: var(--pine); color: white; }
.compare-card.stable .muted { color: #d7cbb8; }
.compare-card h3 { font-size: 26px; letter-spacing: -.03em; margin-bottom: 8px; }
.check { margin: 16px 0 0; padding: 0; display: grid; gap: 8px; }
.check li { list-style: none; display: flex; gap: 8px; }
.check i { color: var(--gold); margin-top: 4px; }
.spec-sheet { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: center; }
.spec-photo img { width: 100%; height: 420px; object-fit: cover; border-radius: 28px; }
.spec-line { display: grid; grid-template-columns: 140px 1fr auto; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.spec-line b { font-size: 15px; }
.seal { position: relative; overflow: hidden; color: white; }
.seal-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.seal-scrim { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10,28,24,.92), rgba(12,36,30,.78)); }
.seal .wrap { position: relative; z-index: 1; }
.hash {
 font-family: "Courier New", monospace; letter-spacing: .02em; background: rgba(255,255,255,.08);
 border: 1px solid rgba(255,255,255,.16); border-radius: 16px; padding: 12px 14px; word-break: break-all; font-size: 13px;
}
.fix-row { display: grid; grid-template-columns: 1.3fr .7fr; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.bar { height: 8px; border-radius: 99px; background: #efe6d8; overflow: hidden; margin-top: 8px; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--moss), #3cbf93); border-radius: inherit; }
.form-grid { grid-template-columns: .85fr 1.15fr; align-items: start; }
.form-card { padding: 22px; }
label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 6px; }
.field { margin-bottom: 12px; }
input, select, textarea {
 width: 100%; border: 1px solid var(--line); background: var(--cream); border-radius: 14px;
 min-height: 48px; padding: 10px 12px; color: var(--text);
}
textarea { min-height: 110px; resize: vertical; }
.site-footer { background: #0e221c; color: #f3ecdf; padding: 36px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.foot-links { display: flex; flex-wrap: wrap; gap: 14px 18px; }
.foot-links a { color: #f3ecdf; font-weight: 600; }
.foot-links a:hover { color: #e2b56a; }
.side-note { margin-top: 18px; padding: 16px; border-radius: 18px; background: #f8f1e6; border: 1px dashed #e0cba8; }
@media (max-width: 1024px) {
 .sidebar { transform: translateX(-105%); transition: transform .25s ease; width: min(86vw, 320px); }
 body.nav-open .sidebar { transform: none; }
 .workspace { margin-left: 0; }
 .mobile-bar { display: flex; }
 .catalog-grid, .scene-grid, .compare-grid, .spec-sheet, .form-grid, .panel-grid { grid-template-columns: 1fr; }
 .metric-strip, .rail, .stat-row { grid-template-columns: repeat(2, 1fr); }
 .rail::before { display: none; }
 .mast-photo img, .scene-photo img, .spec-photo img { height: 320px; }
}
@media (max-width: 768px) {
 section { padding: 52px 0; }
 .wrap { width: min(1120px, calc(100% - 28px)); }
 .foot-grid, .fix-row, .spec-line { grid-template-columns: 1fr; display: grid; }
 .foot-grid { gap: 16px; }
 .hero-actions, .mast-actions { align-items: stretch; }
 .mast-actions .btn, .desk-actions .btn { width: 100%; }
}
@media (max-width: 520px) {
 .metric-strip, .rail, .stat-row { grid-template-columns: 1fr; }
 .photo-card { flex-direction: column; }
 .mast h1 { max-width: none; }
 .brand strong, .mini-brand strong { font-size: 14px; }
}

/* roulang page: category4 */
:root {
 --ink: #14241f;
 --pine: #12362e;
 --pine-2: #1b4a3e;
 --moss: #1f8f6d;
 --moss-2: #146b51;
 --gold: #c8883a;
 --gold-2: #a86b22;
 --sand: #f4efe6;
 --cream: #fbf8f3;
 --paper: #ffffff;
 --line: #e5ddd0;
 --text: #1b2b26;
 --muted: #5e6d66;
 --danger: #9c3b32;
 --shadow: 0 18px 50px rgba(20, 36, 31, .12);
 --radius: 22px;
 --side: 272px;
 --dock: 84px;
}
/* roulang page: bo-mt-ng-dng */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
 color: var(--text);
 background: var(--sand);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
::selection { background: #f3ddb6; color: var(--ink); }
.shell { display: grid; grid-template-columns: var(--side) minmax(0, 1fr); min-height: 100vh; }
.sidebar {
 position: sticky; top: 0; height: 100vh; z-index: 45;
 background: linear-gradient(180deg, #16483c 0%, var(--pine) 42%, #0d2822 100%);
 color: #efe6d8; padding: 22px 14px 16px;
 display: flex; flex-direction: column; gap: 8px;
 box-shadow: 8px 0 30px rgba(12, 28, 24, .12);
}
.brand { display: flex; gap: 12px; align-items: center; padding: 6px 8px 18px; color: #fff; }
.brand-mark {
 width: 46px; height: 46px; border-radius: 15px; display: grid; place-items: center;
 background: linear-gradient(145deg, #e0aa55, #9a6420); color: #1a140c; font-weight: 800;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.35); flex: 0 0 auto;
}
.brand strong { display: block; font-size: 16px; line-height: 1.25; letter-spacing: -.02em; color: #fff; }
.brand small { display: block; color: #d9c7aa; font-size: 12px; margin-top: 2px; }
.side-tools { display: flex; justify-content: flex-end; }
.side-close { display: none; }
.side-nav { display: flex; flex-direction: column; gap: 6px; overflow: auto; padding-right: 4px; }
.nav-link {
 display: flex; align-items: center; gap: 10px; min-height: 46px;
 padding: 8px 12px; border-radius: 14px; color: #efe6d8; font-weight: 600; font-size: 14.5px;
 border: 1px solid transparent; transition: .2s ease;
}
.nav-link i { width: 18px; text-align: center; color: #e2b56a; }
.nav-link:hover { background: rgba(255,255,255,.06); transform: translateX(3px); }
.nav-link:focus-visible, .btn:focus-visible, .chip:focus-visible, .pack-btn:focus-visible, .icon-btn:focus-visible, .zone-btn:focus-visible, .faq-q:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--gold); outline-offset: 3px;
}
.nav-link.active { background: #f6f1e7; color: var(--pine); border-color: #f6f1e7; }
.nav-link.active i { color: var(--gold-2); }
.side-foot { margin-top: auto; padding: 14px 8px 4px; color: #d9c7aa; font-size: 12px; border-top: 1px solid rgba(255,255,255,.08); }
.mobile-bar {
 display: none; position: sticky; top: 0; z-index: 30; align-items: center; justify-content: space-between;
 gap: 12px; padding: 12px 16px; background: rgba(251,248,243,.94); backdrop-filter: blur(10px);
 border-bottom: 1px solid var(--line);
}
.mobile-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--pine); }
.mobile-brand span {
 width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center;
 background: linear-gradient(145deg, #e0aa55, #9a6420); color: #1a140c;
}
.icon-btn {
 width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--line); background: white; color: var(--pine);
 display: grid; place-items: center; transition: .2s ease;
}
.icon-btn:hover { border-color: #d7c3a2; transform: translateY(-1px); }
.backdrop { position: fixed; inset: 0; background: rgba(10,24,20,.48); opacity: 0; pointer-events: none; transition: .2s ease; z-index: 35; }
body.nav-open .backdrop { opacity: 1; pointer-events: auto; }
.stage { min-width: 0; padding-bottom: calc(var(--dock) + 8px); }
.wrap { width: min(1080px, calc(100% - 48px)); margin: 0 auto; }
section { padding: 72px 0; }
.desk-hero { position: relative; padding: 34px 0 42px; overflow: hidden; color: white; }
.desk-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.desk-scrim { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(8,26,22,.92) 10%, rgba(12,36,30,.78) 58%, rgba(12,36,30,.55)); }
.desk-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: stretch; }
.eyebrow { color: var(--gold-2); font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 6px; }
.desk-hero .eyebrow { color: #e2b56a; }
h1 { margin: 0 0 12px; font-size: clamp(34px, 4vw, 54px); line-height: 1.12; letter-spacing: -.035em; }
.lead { margin: 0; font-size: 17px; color: rgba(255,255,255,.88); max-width: 640px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.zone-label { margin: 22px 0 8px; font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: #f0d7a8; }
.zone-board { display: grid; grid-template-columns: 1.1fr .9fr; gap: 8px; max-width: 460px; }
.zone-btn {
 text-align: left; border-radius: 16px; border: 1px solid rgba(255,255,255,.18);
 background: rgba(255,255,255,.08); color: white; padding: 10px 12px; transition: .2s ease;
}
.zone-btn strong { display: block; font-size: 14px; }
.zone-btn span { display: block; color: rgba(255,255,255,.72); font-size: 12px; }
.zone-btn:hover, .zone-btn.active { background: white; color: var(--pine); transform: translateY(-2px); }
.zone-btn:hover span, .zone-btn.active span { color: var(--muted); }
.zone-btn.wide { grid-column: 1 / -1; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
 padding: 0 18px; border-radius: 14px; border: 1px solid transparent; font-weight: 700;
 transition: .2s ease; background: var(--gold); color: #1d140a;
}
.btn:hover { transform: translateY(-2px); background: #d79a49; }
.btn:active { transform: translateY(0); }
.btn.dark { background: var(--pine); color: white; }
.btn.dark:hover { background: #1b4d41; }
.btn.line { background: transparent; color: white; border-color: rgba(255,255,255,.4); }
.btn.line:hover { background: white; color: var(--pine); }
.btn.ghost { background: white; color: var(--pine); border-color: var(--line); }
.btn.ghost:hover { border-color: #d7c3a2; background: #fffaf3; }
.guard-card, .tree, .panel, .card, .bubble, .news-feature, .version, .object, .scene-copy, .form-card, .compare-card {
 background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(20,36,31,.04);
}
.guard-card { padding: 20px; color: var(--text); }
.guard-top { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 8px; }
.guard-card h2 { margin: 0 0 6px; font-size: 26px; letter-spacing: -.03em; line-height: 1.2; }
.score { font-size: 28px; font-weight: 800; color: var(--moss-2); letter-spacing: -.04em; }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 4px 10px; background: #e8f6f0; color: var(--moss-2); font-size: 12px; font-weight: 800; }
.badge.gold { background: #f8ecd9; color: #8a5a16; }
.badge.alert { background: #fdeceb; color: var(--danger); }
.chart-list { display: grid; gap: 14px; }
.meter-line span { display: flex; justify-content: space-between; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.meter { height: 8px; background: #efe6d8; border-radius: 99px; overflow: hidden; }
.meter i { display: block; height: 100%; width: var(--w); background: linear-gradient(90deg, var(--moss), #35b489); border-radius: inherit; }
.muted { color: var(--muted); }
.band-cream { background: var(--cream); }
.band-white { background: white; }
.band-dark { background: var(--pine); color: white; position: relative; overflow: hidden; }
.band-dark .eyebrow { color: #e2b56a; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stat {
 background: white; border: 1px solid var(--line); border-radius: 20px; padding: 16px 16px 14px;
 box-shadow: 0 10px 30px rgba(20,36,31,.04);
}
.stat b { display: block; font-size: 30px; letter-spacing: -.04em; color: var(--pine); line-height: 1.1; }
.stat span { display: block; margin-top: 6px; color: var(--muted); font-size: 14px; }
.block-head h2, .scene-copy h2, .form-copy h2, .band-dark h2 {
 margin: 0 0 8px; letter-spacing: -.03em; line-height: 1.2; font-size: clamp(28px, 3vw, 40px);
}
.split-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 22px; }
.split-head .block-head { margin: 0; max-width: 640px; }
.side-note { max-width: 320px; margin: 0; }
.scene-grid, .catalog-grid, .compare-grid, .news-grid, .form-grid { display: grid; gap: 22px; }
.scene-grid { grid-template-columns: 1.05fr .95fr; align-items: center; }
.scene-photo img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; }
.scene-copy, .panel, .tree, .form-card, .news-feature, .bubble, .compare-card { padding: 22px; }
.tick, .plain-list { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 10px; }
.tick li, .plain-list li { display: flex; gap: 10px; align-items: flex-start; }
.tick i { color: var(--moss); margin-top: 4px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.meta-row b { background: var(--sand); border-radius: 999px; padding: 6px 10px; font-size: 13px; }
.catalog-grid { grid-template-columns: 320px 1fr; align-items: start; }
.pack-btn {
 width: 100%; text-align: left; border: 1px solid transparent; background: var(--sand); border-radius: 16px;
 padding: 12px; margin-bottom: 8px; display: flex; gap: 10px; align-items: center; color: var(--text); transition: .2s ease;
}
.pack-btn strong { display: block; font-size: 14px; }
.pack-btn span { color: var(--muted); font-size: 12px; }
.pack-btn i { width: 28px; color: var(--gold-2); }
.pack-btn.active, .pack-btn:hover { border-color: #d7c3a2; background: #fffaf3; transform: translateX(3px); }
.pack-pane { display: none; }
.pack-pane.active { display: block; }
.pack-pane h3 { margin: 8px 0; font-size: 28px; letter-spacing: -.03em; }
.timeline { margin: 8px 0 0 10px; border-left: 2px solid #e3d8c8; display: grid; gap: 14px; }
.version { margin-left: 18px; position: relative; transition: .2s ease; }
.version:hover { transform: translateX(4px); box-shadow: var(--shadow); }
.version::before {
 content: ""; position: absolute; left: -29px; top: 24px; width: 12px; height: 12px; border-radius: 50%;
 background: var(--gold); box-shadow: 0 0 0 4px var(--sand);
}
.version h3 { margin: 0 0 6px; font-size: 20px; }
.compare-grid { grid-template-columns: 1fr 1fr; }
.compare-card.ok { background: #f3faf7; border-color: #cfe7dc; }
.compare-card.warn { background: #fbf4f1; border-color: #efd2cc; }
.compare-card h3 { margin: 8px 0 0; font-size: 26px; letter-spacing: -.03em; }
.news-grid { grid-template-columns: 1.25fr .75fr; align-items: start; }
.news-feature { padding: 0; overflow: hidden; }
.news-feature img { width: 100%; height: 280px; object-fit: cover; }
.news-feature div { padding: 20px 22px 22px; }
.news-feature h3, .bubble h3 { margin: 0 0 8px; font-size: 24px; letter-spacing: -.03em; line-height: 1.3; }
.bubble + .bubble { margin-top: 12px; }
.who { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.who img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.who strong { display: block; line-height: 1.3; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
 width: 100%; text-align: left; background: transparent; border: 0; padding: 16px 0;
 font-weight: 800; font-size: 17px; color: var(--pine); display: flex; justify-content: space-between; gap: 12px;
}
.faq-q i { color: var(--gold-2); transition: .2s ease; }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a { display: none; margin: 0 0 14px; color: var(--muted); }
.faq-item.open .faq-a { display: block; }
.form-grid { grid-template-columns: 1.05fr .95fr; align-items: start; }
.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field span { font-weight: 700; font-size: 14px; }
.field input, .field select, .field textarea {
 width: 100%; border: 1px solid var(--line); background: #fff; border-radius: 14px;
 min-height: 48px; padding: 10px 12px; color: var(--text); transition: .2s ease;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #d7c3a2; }
.form-note { margin-top: 12px; background: #f8ecd9; color: #6d4a12; border-radius: 14px; padding: 12px 14px; font-weight: 600; }
.promise { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: center; }
.band-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .22; }
.band-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12,36,30,.94), rgba(12,36,30,.82)); }
.promise-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.promise-points li { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; padding: 12px 14px; }
.site-footer { background: #0e2822; color: #efe6d8; padding: 42px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.foot-links { display: flex; flex-wrap: wrap; gap: 14px 18px; }
.foot-links a { color: #f3eadc; font-weight: 600; }
.foot-links a:hover { color: #e2b56a; }
.dock {
 position: fixed; left: var(--side); right: 0; bottom: 0; z-index: 25; min-height: var(--dock);
 display: flex; align-items: center; background: rgba(251,248,243,.95); backdrop-filter: blur(12px);
 border-top: 1px solid var(--line);
}
.dock-inner { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 12px 0; }
.dock strong { display: block; color: var(--pine); }
.dock span { color: var(--muted); font-size: 14px; }
@media (max-width: 1024px) {
 .shell { grid-template-columns: 1fr; }
 .sidebar { position: fixed; left: 0; top: 0; width: min(320px, 88vw); transform: translateX(-105%); transition: .25s ease; }
 body.nav-open .sidebar { transform: none; }
 .side-close { display: grid; }
 .mobile-bar { display: flex; }
 .dock { left: 0; }
 .desk-grid, .scene-grid, .catalog-grid, .compare-grid, .news-grid, .form-grid, .promise, .stat-row { grid-template-columns: 1fr 1fr; }
 .catalog-grid, .news-grid, .form-grid, .promise, .desk-grid, .scene-grid { grid-template-columns: 1fr; }
 .scene-photo img { height: 320px; }
}
@media (max-width: 768px) {
 .wrap { width: min(1080px, calc(100% - 32px)); }
 section { padding: 52px 0; }
 .split-head, .foot-grid, .dock-inner { flex-direction: column; align-items: stretch; }
 .side-note { max-width: none; }
 .stat-row, .compare-grid { grid-template-columns: 1fr 1fr; }
 .news-feature img { height: 220px; }
 h1 { font-size: 34px; }
}
@media (max-width: 520px) {
 .stat-row, .compare-grid, .zone-board { grid-template-columns: 1fr; }
 .zone-btn.wide { grid-column: auto; }
 .hero-actions .btn, .dock .btn { width: 100%; }
 .scene-photo img { height: 220px; }
 .guard-top { align-items: flex-start; }
 .stage { padding-bottom: 148px; }
 .mobile-brand strong { font-size: 14px; }
}

/* roulang page: category5 */
:root {
 --ink: #14241f;
 --pine: #12362e;
 --pine-2: #1b4a3e;
 --moss: #1f8f6d;
 --moss-2: #146b51;
 --gold: #c8883a;
 --gold-2: #a86b22;
 --sand: #f4efe6;
 --cream: #fbf8f3;
 --paper: #ffffff;
 --line: #e5ddd0;
 --text: #1b2b26;
 --muted: #5e6d66;
 --danger: #9c3b32;
 --shadow: 0 18px 50px rgba(20, 36, 31, .12);
 --radius: 22px;
 --side: 272px;
 --dock: 84px;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
 color: var(--text);
 background: var(--sand);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
.brand { display: flex; gap: 12px; align-items: center; padding: 6px 8px 18px; }
.brand-mark {
 width: 46px; height: 46px; border-radius: 15px; display: grid; place-items: center;
 background: linear-gradient(145deg, #e0aa55, #9a6420); color: #1a140c; font-weight: 800;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.35);
}
.brand strong { display: block; font-size: 16px; line-height: 1.25; letter-spacing: -.02em; }
.brand small { display: block; color: #d9c7aa; font-size: 12px; margin-top: 2px; }
.side-nav { display: flex; flex-direction: column; gap: 6px; overflow: auto; padding-right: 4px; }
.nav-link {
 display: flex; align-items: center; gap: 10px; min-height: 46px;
 padding: 8px 12px; border-radius: 14px; color: #efe6d8; font-weight: 600; font-size: 14.5px;
 border: 1px solid transparent; transition: .2s ease;
}
.nav-link i { width: 18px; text-align: center; color: #e2b56a; }
.nav-link:hover { background: rgba(255,255,255,.06); transform: translateX(3px); }
.nav-link:focus-visible, .btn:focus-visible, .chip:focus-visible, .pack-btn:focus-visible, .icon-btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .series-bar a:focus-visible, .qa summary:focus-visible {
 outline: 2px solid var(--gold); outline-offset: 3px;
}
.nav-link.active { background: #f6f1e7; color: var(--pine); border-color: #f6f1e7; }
.nav-link.active i { color: var(--gold-2); }
.mobile-bar {
 display: none; position: sticky; top: 0; z-index: 30; align-items: center; justify-content: space-between;
 gap: 12px; padding: 12px 16px; background: rgba(251,248,243,.94); backdrop-filter: blur(10px);
 border-bottom: 1px solid var(--line);
}
.icon-btn {
 width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--line); background: white; color: var(--pine);
}
.backdrop { position: fixed; inset: 0; background: rgba(8,18,15,.48); opacity: 0; pointer-events: none; transition: .2s ease; z-index: 35; }
body.nav-open .backdrop { opacity: 1; pointer-events: auto; }
body.nav-open { overflow: hidden; }
.hero { position: relative; min-height: 640px; display: grid; align-items: center; overflow: hidden; color: white; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,28,24,.78), rgba(12,36,30,.88) 70%); }
.hero-inner { position: relative; z-index: 1; text-align: center; padding: 72px 0 64px; }
.search-box {
 display: flex; gap: 8px; align-items: center; max-width: 720px; margin: 0 auto;
 background: white; border-radius: 18px; padding: 8px; box-shadow: var(--shadow);
}
.search-box i { color: var(--moss); margin-left: 10px; }
.search-box input { flex: 1; border: 0; min-height: 52px; font-size: 16px; color: var(--text); background: transparent; }
.search-box input:focus { outline: none; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
 padding: 0 18px; border-radius: 14px; border: 1px solid transparent; font-weight: 700;
 transition: .2s ease; background: var(--gold); color: #1d140a;
}
.btn:hover { transform: translateY(-2px); background: #d79a49; }
.btn:active { transform: translateY(0); }
.btn.dark { background: var(--pine); color: white; }
.btn.dark:hover { background: #1b4d41; }
.btn.line { background: transparent; color: white; border-color: rgba(255,255,255,.4); }
.btn.line:hover { background: white; color: var(--pine); }
.btn.ghost { background: white; color: var(--pine); border-color: var(--line); }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; }
.chip {
 border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.08); color: white;
 border-radius: 999px; padding: 8px 12px; font-weight: 600; font-size: 13px;
}
.chip:hover { background: white; color: var(--pine); }
section { padding: 72px 0; }
.block-head h2, .center-head h2, .band h3, .scene-copy h2, .form-copy h2 { margin: 0 0 8px; letter-spacing: -.03em; line-height: 1.2; font-size: clamp(28px, 3vw, 40px); }
.eyebrow { color: var(--gold-2); font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }
.muted { color: var(--muted); }
.catalog-grid, .scene-grid, .compare-grid, .news-grid, .form-grid, .object-grid { display: grid; gap: 22px; }
.catalog-grid { grid-template-columns: 320px 1fr; }
.tree, .panel, .card, .bubble, .news-feature, .version, .object, .matrix-item, .scene-copy, .form-card {
 background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(20,36,31,.04);
}
.pack-btn {
 width: 100%; text-align: left; border: 1px solid transparent; background: var(--sand); border-radius: 16px;
 padding: 12px; margin-bottom: 8px; display: flex; gap: 10px; align-items: center;
}
.pack-btn strong { display: block; font-size: 14px; }
.pack-btn span { color: var(--muted); font-size: 12px; }
.pack-btn.active, .pack-btn:hover { border-color: #d7c3a2; background: #fffaf3; }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 4px 10px; background: #e8f6f0; color: var(--moss-2); font-size: 12px; font-weight: 800; }
.badge.gold { background: #f8ecd9; color: #8a5a16; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.meta-row b { background: var(--sand); border-radius: 999px; padding: 6px 10px; font-size: 13px; }
.chart-list { display: grid; gap: 14px; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.scene-grid { grid-template-columns: 1.05fr .95fr; align-items: center; }
.scene-photo img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; }
.who img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.compare-grid { grid-template-columns: 1fr 1fr; }
.compare-card { padding: 22px; border-radius: 28px; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.app-shell { display: grid; grid-template-columns: var(--side) minmax(0, 1fr); min-height: 100vh; }
.sidebar {
 position: sticky; top: 0; height: 100vh; overflow: auto; z-index: 40;
 background: linear-gradient(180deg, #16483c 0%, #0e2b24 100%);
 color: #efe6d8; padding: 22px 16px 28px; border-right: 1px solid rgba(255,255,255,.05);
}
.sidebar .brand strong { color: #fff; }
.workspace { min-width: 0; background: radial-gradient(circle at top right, #fff, transparent 28%), var(--sand); }
.mobile-brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--pine); font-weight: 800; }
.mobile-brand b { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mobile-mark { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(145deg, #e0aa55, #9a6420); color: #1a140c; flex: none; }
.flagship { position: relative; min-height: 620px; display: grid; align-items: end; overflow: hidden; color: white; padding: 0; }
.flagship-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.flagship-scrim { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,24,20,.9) 0%, rgba(8,24,20,.72) 48%, rgba(8,24,20,.38) 100%); }
.flagship-inner { position: relative; z-index: 1; padding: 78px 0 42px; max-width: 760px; margin-left: max(20px, calc((100% - 1120px) / 2)); }
.flagship h1 { margin: 0 0 12px; font-size: clamp(36px, 5vw, 62px); line-height: 1.05; letter-spacing: -.045em; }
.flagship .eyebrow { color: #e7c27a; }
.lead { font-size: 18px; color: #f3ecdf; max-width: 640px; }
.series-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 18px; padding: 8px; border-radius: 18px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(8px); }
.series-bar a { color: white; font-weight: 700; font-size: 14px; padding: 8px 12px; border-radius: 12px; transition: .2s ease; }
.series-bar a:hover { background: white; color: var(--pine); }
.hero-actions.left { justify-content: flex-start; margin-top: 8px; }
.stat-row article, .pledge-item, .meter-card, .note, .qa { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; }
.stat-row article { padding: 14px 16px; background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.16); color: white; }
.stat-row strong { display: block; font-size: 22px; letter-spacing: -.03em; }
.stat-row span { color: #eadfcd; font-size: 13px; }
.section-sand { background: transparent; }
.section-paper { background: rgba(255,255,255,.62); border-top: 1px solid rgba(229,221,208,.7); border-bottom: 1px solid rgba(229,221,208,.7); }
.mosaic { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
.stack { display: grid; gap: 18px; }
.card { overflow: hidden; transition: .2s ease; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card img.cover { width: 100%; height: 230px; object-fit: cover; }
.card-body, .scene-copy, .compare-card, .panel, .version { padding: 22px; }
.card h3, .compare-card h3, .note h3, .version h3 { margin: 8px 0; font-size: 22px; letter-spacing: -.03em; line-height: 1.25; }
.scene-grid.reverse { grid-template-columns: .95fr 1.05fr; }
.scene-copy ul, .plain-list { margin: 12px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.scene-copy li, .plain-list li { display: flex; gap: 10px; align-items: flex-start; }
.scene-copy li i, .plain-list li i { color: var(--moss); margin-top: 4px; }
.news-grid { grid-template-columns: .9fr 1.1fr; align-items: stretch; }
.news-feature img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; border-radius: 28px; }
.note { padding: 16px 18px; }
.note + .note { margin-top: 12px; }
.kicker { font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--gold-2); }
.compare-card.android { background: #132e28; color: white; border-color: #132e28; }
.compare-card.ios { background: #fffaf3; }
.compare-card .muted { color: inherit; opacity: .8; }
.ios-list span, .android-list span { display: block; padding: 10px 0; border-top: 1px solid rgba(229,221,208,.35); }
.compare-card.android .android-list span { border-top-color: rgba(255,255,255,.12); }
.object-grid { grid-template-columns: 1fr 1fr; }
.object { display: grid; grid-template-columns: 92px 1fr; gap: 14px; padding: 12px; align-items: center; }
.object img { width: 92px; height: 78px; object-fit: cover; border-radius: 16px; }
.object h3 { margin: 0 0 4px; font-size: 18px; }
.object p { margin: 0; color: var(--muted); font-size: 14px; }
.version-list { display: grid; gap: 0; margin-top: 8px; }
.version-list article { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); }
.version-list b { color: var(--pine); }
.band { position: relative; overflow: hidden; color: white; padding: 64px 0; }
.band-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.band-scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12,32,27,.88), rgba(12,32,27,.92)); }
.band .wrap { position: relative; z-index: 1; }
.pledge-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 22px; }
.pledge-item { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); color: white; padding: 16px; }
.pledge-item i { color: #e2b56a; font-size: 18px; }
.qa-list { display: grid; gap: 12px; }
.qa summary { cursor: pointer; min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 12px; font-weight: 750; list-style: none; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--moss-2); }
.qa p { margin: 0 0 16px; color: var(--muted); }
.qa[open] { box-shadow: var(--shadow); }
.site-footer { background: var(--ink); color: #efe6d8; padding: 36px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot-links { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.foot-links a { color: #efe6d8; font-weight: 600; }
.foot-links a:hover { color: #e2b56a; }
.split-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 22px; }
.split-head p { max-width: 460px; margin: 0; }
@media (max-width: 1024px) {
 .app-shell { grid-template-columns: 1fr; }
 .sidebar { position: fixed; left: 0; top: 0; width: min(320px, 88vw); transform: translateX(-105%); transition: transform .25s ease; height: 100vh; }
 body.nav-open .sidebar { transform: translateX(0); }
 .mobile-bar { display: flex; }
 .flagship-inner { margin-left: 0; padding: 54px 0 36px; }
 .mosaic, .scene-grid, .scene-grid.reverse, .news-grid, .compare-grid, .catalog-grid, .object-grid, .stat-row, .pledge-grid { grid-template-columns: 1fr 1fr; }
 .scene-photo img, .news-feature img { height: 320px; }
}
@media (max-width: 768px) {
 .mosaic, .scene-grid, .scene-grid.reverse, .news-grid, .compare-grid, .catalog-grid, .object-grid, .stat-row, .pledge-grid, .version-list article { grid-template-columns: 1fr; }
 .split-head { display: block; }
 .flagship { min-height: 0; }
 .flagship h1 { font-size: 36px; }
 .card img.cover { height: 200px; }
 section { padding: 56px 0; }
}
@media (max-width: 520px) {
 .wrap { width: min(1120px, calc(100% - 28px)); }
 .hero-actions, .hero-actions.left { display: grid; }
 .btn { width: 100%; }
 .series-bar a { flex: 1 1 auto; text-align: center; }
 .object { grid-template-columns: 1fr; }
 .object img { width: 100%; height: 140px; }
 .brand strong { font-size: 15px; }
 .foot-links { display: grid; gap: 8px; }
}

/* roulang page: category6 */
:root {
 --ink: #14241f;
 --pine: #12362e;
 --pine-2: #1b4a3e;
 --moss: #1f8f6d;
 --moss-2: #146b51;
 --gold: #c8883a;
 --gold-2: #a86b22;
 --sand: #f4efe6;
 --cream: #fbf8f3;
 --paper: #ffffff;
 --line: #e5ddd0;
 --text: #1b2b26;
 --muted: #5e6d66;
 --danger: #9c3b32;
 --shadow: 0 18px 50px rgba(20, 36, 31, .12);
 --radius: 22px;
 --side: 272px;
 --dock: 84px;
}
/* roulang page: category6 */
:root {
 --ink: #14241f;
 --pine: #12362e;
 --pine-2: #1b4a3e;
 --moss: #1f8f6d;
 --moss-2: #146b51;
 --gold: #c8883a;
 --gold-2: #a86b22;
 --sand: #f4efe6;
 --cream: #fbf8f3;
 --paper: #ffffff;
 --line: #e5ddd0;
 --text: #1b2b26;
 --muted: #5e6d66;
 --danger: #9c3b32;
 --shadow: 0 18px 50px rgba(20, 36, 31, .12);
 --radius: 22px;
 --side: 272px;
 --dock: 84px;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
 color: var(--text);
 background: var(--sand);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
.brand { display: flex; gap: 12px; align-items: center; padding: 6px 8px 18px; }
.brand-mark {
 width: 46px; height: 46px; border-radius: 15px; display: grid; place-items: center;
 background: linear-gradient(145deg, #e0aa55, #9a6420); color: #1a140c; font-weight: 800;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.35);
}
.brand strong { display: block; font-size: 16px; line-height: 1.25; letter-spacing: -.02em; }
.brand small { display: block; color: #d9c7aa; font-size: 12px; margin-top: 2px; }
.side-nav { display: flex; flex-direction: column; gap: 6px; overflow: auto; padding-right: 4px; }
.nav-link {
 display: flex; align-items: center; gap: 10px; min-height: 46px;
 padding: 8px 12px; border-radius: 14px; color: #efe6d8; font-weight: 600; font-size: 14.5px;
 border: 1px solid transparent; transition: .2s ease;
}
.nav-link i { width: 18px; text-align: center; color: #e2b56a; }
.nav-link:hover { background: rgba(255,255,255,.06); transform: translateX(3px); }
.nav-link:focus-visible, .btn:focus-visible, .chip:focus-visible, .pack-btn:focus-visible, .icon-btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--gold); outline-offset: 3px;
}
.nav-link.active { background: #f6f1e7; color: var(--pine); border-color: #f6f1e7; }
.nav-link.active i { color: var(--gold-2); }
.mobile-bar {
 display: none; position: sticky; top: 0; z-index: 30; align-items: center; justify-content: space-between;
 gap: 12px; padding: 12px 16px; background: rgba(251,248,243,.94); backdrop-filter: blur(10px);
 border-bottom: 1px solid var(--line);
}
.icon-btn {
 width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--line); background: white; color: var(--pine);
}
body.nav-open .backdrop { opacity: 1; pointer-events: auto; }
.hero { position: relative; min-height: 640px; display: grid; align-items: center; overflow: hidden; color: white; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,28,24,.78), rgba(12,36,30,.88) 70%); }
.hero-inner { position: relative; z-index: 1; text-align: center; padding: 72px 0 64px; }
.search-box {
 display: flex; gap: 8px; align-items: center; max-width: 720px; margin: 0 auto;
 background: white; border-radius: 18px; padding: 8px; box-shadow: var(--shadow);
}
.search-box i { color: var(--moss); margin-left: 10px; }
.search-box input {
 flex: 1; border: 0; min-height: 52px; font-size: 16px; color: var(--text); background: transparent;
}
.search-box input:focus { outline: none; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
 padding: 0 18px; border-radius: 14px; border: 1px solid transparent; font-weight: 700;
 transition: .2s ease; background: var(--gold); color: #1d140a;
}
.btn:hover { transform: translateY(-2px); background: #d79a49; }
.btn:active { transform: translateY(0); }
.btn.dark { background: var(--pine); color: white; }
.btn.dark:hover { background: #1b4d41; }
.btn.line { background: transparent; color: white; border-color: rgba(255,255,255,.4); }
.btn.line:hover { background: white; color: var(--pine); }
.btn.ghost { background: white; color: var(--pine); border-color: var(--line); }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; }
.chip {
 border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.08); color: white;
 border-radius: 999px; padding: 8px 12px; font-weight: 600; font-size: 13px;
}
.chip:hover { background: white; color: var(--pine); }
section { padding: 72px 0; }
.block-head h2, .center-head h2, .band h3, .scene-copy h2, .form-copy h2 { margin: 0 0 8px; letter-spacing: -.03em; line-height: 1.2; font-size: clamp(28px, 3vw, 40px); }
.eyebrow { color: var(--gold-2); font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }
.muted { color: var(--muted); }
.catalog-grid, .scene-grid, .compare-grid, .news-grid, .form-grid, .object-grid { display: grid; gap: 22px; }
.catalog-grid { grid-template-columns: 320px 1fr; }
.tree, .panel, .card, .bubble, .news-feature, .version, .object, .matrix-item, .scene-copy, .form-card {
 background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(20,36,31,.04);
}
.pack-btn {
 width: 100%; text-align: left; border: 1px solid transparent; background: var(--sand); border-radius: 16px;
 padding: 12px; margin-bottom: 8px; display: flex; gap: 10px; align-items: center;
}
.pack-btn strong { display: block; font-size: 14px; }
.pack-btn span { color: var(--muted); font-size: 12px; }
.pack-btn.active, .pack-btn:hover { border-color: #d7c3a2; background: #fffaf3; }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 4px 10px; background: #e8f6f0; color: var(--moss-2); font-size: 12px; font-weight: 800; }
.badge.gold { background: #f8ecd9; color: #8a5a16; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.meta-row b { background: var(--sand); border-radius: 999px; padding: 6px 10px; font-size: 13px; }
.chart-list { display: grid; gap: 14px; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.scene-grid { grid-template-columns: 1.05fr .95fr; align-items: center; }
.scene-photo img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; }
.who img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.compare-grid { grid-template-columns: 1fr 1fr; }
.compare-card { padding: 22px; border-radius: 28px; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.shell { display: grid; grid-template-columns: var(--side) minmax(0, 1fr); min-height: 100vh; }
.sidebar {
 position: sticky; top: 0; height: 100vh; z-index: 40;
 background: linear-gradient(180deg, #16483c 0%, var(--pine) 42%, #0c241f 100%);
 color: #efe6d8; padding: 22px 16px 18px; display: flex; flex-direction: column;
 border-right: 1px solid rgba(255,255,255,.06);
}
.sidebar .brand { color: white; text-decoration: none; }
.side-foot { margin-top: auto; padding: 14px 10px 4px; color: #d9c7aa; font-size: 12px; }
.backdrop { position: fixed; inset: 0; background: rgba(10,20,18,.48); opacity: 0; pointer-events: none; transition: .2s ease; z-index: 35; }
.mobile-brand { display: flex; align-items: center; gap: 10px; color: var(--pine); font-weight: 800; }
.mobile-brand .brand-mark { width: 40px; height: 40px; border-radius: 13px; }
.main-col { min-width: 0; padding-bottom: 96px; }
.lead { position: relative; overflow: hidden; color: white; padding: 54px 0 48px; }
.lead-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.lead-scrim { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(8,24,20,.92) 0%, rgba(12,36,30,.82) 48%, rgba(12,36,30,.55) 100%); }
.lead-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: center; }
.crumb { display: flex; gap: 8px; flex-wrap: wrap; color: #eadcc6; font-size: 13px; font-weight: 600; margin-bottom: 12px; }
.crumb a:hover { color: white; }
.lead h1 { margin: 0 0 12px; font-size: clamp(34px, 4vw, 54px); line-height: 1.12; letter-spacing: -.035em; }
.lead .eyebrow { color: #e2b56a; }
.lead-copy { color: #f3ecdf; font-size: 17px; max-width: 640px; }
.lead .stat-row div { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 16px; padding: 12px 14px; }
.lead .stat-row b { display: block; font-size: 22px; letter-spacing: -.03em; }
.lead .stat-row span { color: #eadcc6; font-size: 13px; }
.ticket { background: var(--paper); color: var(--text); border-radius: 28px; padding: 22px; box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.4); }
.ticket h2 { margin: 0 0 6px; font-size: 22px; letter-spacing: -.03em; }
.field { width: 100%; min-height: 48px; border-radius: 14px; border: 1px solid var(--line); background: var(--cream); color: var(--text); padding: 0 14px; font-weight: 650; font-weight: 600; }
.field:hover { border-color: #d7c3a2; }
.note-box { margin-top: 12px; background: #f8f3ea; border-radius: 16px; padding: 12px 14px; color: var(--pine); font-weight: 600; }
.meter-row { margin-top: 14px; }
.meter-row p { display: flex; justify-content: space-between; margin: 0 0 6px; font-size: 13px; font-weight: 700; }
.meter { height: 8px; background: #efe7da; border-radius: 999px; overflow: hidden; }
.meter span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--moss), #3dba90); border-radius: inherit; }
.meter.gold span { background: linear-gradient(90deg, var(--gold-2), #e0aa55); }
.sec-white { background: var(--paper); }
.sec-cream { background: linear-gradient(180deg, #fbf8f3, #f3eee4); }
.block-head { max-width: 720px; margin-bottom: 22px; }
.block-head p { margin: 0; }
.bento { display: grid; grid-template-columns: 1.35fr .75fr; gap: 18px; }
.bento-main, .mini { padding: 18px; }
.bento-main { display: grid; grid-template-columns: 210px 1fr; gap: 16px; align-items: center; }
.bento-main img, .mini img { width: 100%; height: 210px; object-fit: cover; border-radius: 18px; }
.bento-side { display: grid; gap: 18px; }
.mini { display: grid; gap: 8px; }
.mini img { height: 112px; }
.mini h3, .bento-main h3, .lane h3, .spec-card h3 { margin: 0 0 6px; letter-spacing: -.02em; }
.lane-list { display: grid; gap: 12px; }
.lane {
 display: grid; grid-template-columns: 72px 1fr auto; gap: 16px; align-items: center;
 padding: 16px 18px; background: var(--paper); border: 1px solid var(--line); border-radius: 20px;
 transition: .2s ease;
}
.lane:hover { transform: translateX(4px); border-color: #e3c89a; box-shadow: var(--shadow); }
.lane-no {
 width: 72px; height: 72px; border-radius: 18px; display: grid; place-items: center;
 background: #12362e; color: #f4e2c2; font-weight: 800;
}
.lane p { margin: 0; color: var(--muted); }
.scene-copy { padding: 8px 8px 8px 6px; background: transparent; border: 0; box-shadow: none; }
.scene-copy .chips { justify-content: flex-start; margin-top: 14px; }
.scene-copy .chip { color: var(--pine); background: white; border-color: var(--line); }
.scene-copy .chip:hover { background: var(--pine); color: white; }
.spec-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; }
.spec-card { padding: 22px; }
.spec-line { display: grid; grid-template-columns: 140px 1fr 70px; gap: 10px; align-items: center; margin-top: 14px; font-weight: 700; }
.check-list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 10px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; background: var(--sand); border-radius: 14px; padding: 10px 12px; }
.check-list i { color: var(--moss); margin-top: 4px; }
.compare-card h3 { margin-top: 0; font-size: 28px; letter-spacing: -.03em; }
.compare-card.pine { background: var(--pine); color: white; }
.compare-card.pine .muted { color: #d9cbb6; }
.compare-card ul { margin: 12px 0 0; padding-left: 18px; }
.proof-list { display: grid; gap: 12px; }
.proof-item {
 display: grid; grid-template-columns: 96px 1.3fr .7fr auto; gap: 16px; align-items: center;
 background: white; border: 1px solid var(--line); border-radius: 20px; padding: 10px;
}
.proof-item img { width: 96px; height: 78px; object-fit: cover; border-radius: 14px; }
.proof-item h3 { margin: 0; font-size: 18px; }
.proof-item p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.close-band { position: relative; overflow: hidden; color: white; }
.close-band .lead-bg { opacity: .45; }
.close-band .lead-scrim { background: linear-gradient(90deg, rgba(12,32,27,.94), rgba(18,54,46,.88)); }
.close-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr .8fr; gap: 22px; align-items: center; }
.close-points { display: grid; gap: 10px; }
.close-points div { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 16px; padding: 12px 14px; }
.dock {
 position: fixed; left: var(--side); right: 0; bottom: 0; z-index: 25;
 background: rgba(251,248,243,.96); border-top: 1px solid var(--line); backdrop-filter: blur(12px);
}
.dock-inner { min-height: var(--dock); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dock strong { display: block; color: var(--pine); }
.dock span { color: var(--muted); font-size: 14px; }
.site-footer { background: #0e221c; color: #f4efe6; padding: 36px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; align-items: start; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.foot-links a { color: #f0e2cc; font-weight: 700; }
.foot-links a:hover { color: white; }
.text-link { color: var(--moss-2); font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 1024px) {
 .shell { grid-template-columns: 1fr; }
 .sidebar { position: fixed; left: 0; top: 0; bottom: 0; width: min(86vw, 320px); height: 100vh; transform: translateX(-105%); transition: transform .25s ease; }
 .sidebar.open { transform: none; }
 .mobile-bar { display: flex; }
 .dock { left: 0; }
 .lead-grid, .bento, .bento-main, .scene-grid, .spec-grid, .compare-grid, .close-grid, .catalog-grid { grid-template-columns: 1fr; }
 .stat-row { grid-template-columns: repeat(2, 1fr); }
 .scene-photo img { height: 320px; }
 .proof-item { grid-template-columns: 96px 1fr; }
 .lane { grid-template-columns: 64px 1fr; }
 .lane .badge { grid-column: 2; }
}
@media (max-width: 768px) {
 section { padding: 56px 0; }
 .wrap { width: min(1120px, calc(100% - 28px)); }
 .lead h1 { font-size: 34px; }
 .dock-inner { flex-direction: column; align-items: stretch; padding: 12px 0; }
 .main-col { padding-bottom: 148px; }
 .foot-grid, .spec-line { grid-template-columns: 1fr; }
 .bento-main img { height: 190px; }
}
@media (max-width: 520px) {
 .stat-row, .proof-item { grid-template-columns: 1fr; }
 .proof-item img { width: 100%; height: 160px; }
 .lane { grid-template-columns: 1fr; }
 .hero-actions, .lead .btn, .dock .btn { width: 100%; }
 .brand strong { font-size: 15px; }
}

/* roulang page: category7 */
:root {
 --ink: #14241f;
 --pine: #12362e;
 --pine-2: #1b4a3e;
 --moss: #1f8f6d;
 --moss-2: #146b51;
 --gold: #c8883a;
 --gold-2: #a86b22;
 --sand: #f4efe6;
 --cream: #fbf8f3;
 --paper: #ffffff;
 --line: #e5ddd0;
 --text: #1b2b26;
 --muted: #5e6d66;
 --danger: #9c3b32;
 --shadow: 0 18px 50px rgba(20, 36, 31, .12);
 --radius: 22px;
 --side: 272px;
 --dock: 84px;
}
/* roulang page: category7 */
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
 color: var(--text);
 background: var(--sand);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
h1, h2, h3, p { margin: 0; }
.app-shell { display: grid; grid-template-columns: var(--side) minmax(0, 1fr); min-height: 100vh; }
.sidebar {
 position: sticky; top: 0; height: 100vh; overflow: auto;
 background: linear-gradient(180deg, var(--pine) 0%, #0d2822 100%);
 color: #f6f1e7; padding: 22px 16px 28px;
 border-right: 1px solid rgba(255,255,255,.06);
 display: flex; flex-direction: column; gap: 8px;
}
.brand { display: flex; gap: 12px; align-items: center; padding: 6px 8px 18px; }
.brand-mark {
 width: 46px; height: 46px; border-radius: 15px; display: grid; place-items: center;
 background: linear-gradient(145deg, #e0aa55, #9a6420); color: #1a140c; font-weight: 800;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.35); flex: none;
}
.brand strong { display: block; font-size: 16px; line-height: 1.25; letter-spacing: -.02em; color: white; }
.brand small { display: block; color: #d9c7aa; font-size: 12px; margin-top: 2px; }
.side-nav { display: flex; flex-direction: column; gap: 6px; overflow: auto; padding-right: 4px; }
.nav-link {
 display: flex; align-items: center; gap: 10px; min-height: 46px;
 padding: 8px 12px; border-radius: 14px; color: #efe6d8; font-weight: 600; font-size: 14.5px;
 border: 1px solid transparent; transition: .2s ease;
}
.nav-link i { width: 18px; text-align: center; color: #e2b56a; }
.nav-link:hover { background: rgba(255,255,255,.06); transform: translateX(3px); }
.nav-link:focus-visible, .btn:focus-visible, .chip:focus-visible, .pack-btn:focus-visible, .icon-btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .faq-q:focus-visible, .series-bar a:focus-visible {
 outline: 2px solid var(--gold); outline-offset: 3px;
}
.nav-link.active { background: #f6f1e7; color: var(--pine); border-color: #f6f1e7; }
.nav-link.active i { color: var(--gold-2); }
.side-note {
 margin-top: auto; padding: 14px; border-radius: 16px;
 background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08);
 color: #e7dccb; font-size: 13px;
}
.mobile-bar {
 display: none; position: sticky; top: 0; z-index: 30; align-items: center; justify-content: space-between;
 gap: 12px; padding: 12px 16px; background: rgba(251,248,243,.94); backdrop-filter: blur(10px);
 border-bottom: 1px solid var(--line);
}
.mobile-brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.mobile-brand strong { color: var(--pine); font-size: 15px; letter-spacing: -.02em; white-space: nowrap; }
.icon-btn {
 width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--line); background: white; color: var(--pine);
 transition: .2s ease;
}
.icon-btn:hover { border-color: #d7c3a2; transform: translateY(-1px); }
.icon-btn:active { transform: translateY(0); }
.backdrop { position: fixed; inset: 0; background: rgba(10,20,18,.48); opacity: 0; pointer-events: none; transition: .2s; z-index: 35; }
body.nav-open .backdrop { opacity: 1; pointer-events: auto; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.main-col { min-width: 0; background: var(--sand); }
main { display: block; }
section { padding: 72px 0; }
.store-hero {
 position: relative; min-height: 620px; display: grid; align-items: end; overflow: hidden; color: white;
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,24,20,.9) 0%, rgba(10,28,24,.72) 52%, rgba(12,36,30,.42) 100%); }
.store-hero-inner { position: relative; z-index: 1; padding: 54px 0 46px; max-width: 760px; }
.series-bar {
 display: flex; gap: 8px; flex-wrap: wrap; width: fit-content; max-width: 100%;
 background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22);
 backdrop-filter: blur(10px); padding: 8px; border-radius: 18px; margin-bottom: 22px;
}
.series-bar a {
 color: white; font-weight: 700; font-size: 13px; padding: 8px 12px; border-radius: 999px;
 transition: .2s ease; border: 1px solid transparent;
}
.series-bar a:hover, .series-bar a:active { background: white; color: var(--pine); }
.eyebrow { color: var(--gold-2); font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.store-hero .eyebrow { color: #e2b56a; }
h1 { font-size: clamp(36px, 5vw, 62px); line-height: 1.05; letter-spacing: -.045em; font-weight: 800; max-width: 14ch; }
.lead { margin-top: 14px; font-size: 18px; color: #f4ecdf; max-width: 640px; }
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
 padding: 0 18px; border-radius: 14px; border: 1px solid transparent; font-weight: 700;
 transition: .2s ease; background: var(--gold); color: #1d140a;
}
.btn:hover { transform: translateY(-2px); background: #d79a49; }
.btn:active { transform: translateY(0); }
.btn.dark { background: var(--pine); color: white; }
.btn.dark:hover { background: #1b4d41; }
.btn.line { background: transparent; color: white; border-color: rgba(255,255,255,.45); }
.btn.line:hover { background: white; color: var(--pine); }
.btn.ghost { background: white; color: var(--pine); border-color: var(--line); }
.btn.ghost:hover { border-color: #d7c3a2; background: #fffaf3; }
.hero-actions { display: flex; justify-content: flex-start; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.hero-meta b { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.16); color: white; border-radius: 999px; padding: 6px 10px; font-size: 13px; }
.muted { color: var(--muted); }
.block-head h2, .center-head h2, .band h3, .scene-copy h2, .form-copy h2 {
 margin: 0 0 8px; letter-spacing: -.03em; line-height: 1.2; font-size: clamp(28px, 3vw, 40px); font-weight: 800;
}
.tree, .panel, .card, .bubble, .news-feature, .version, .object, .matrix-item, .scene-copy, .form-card {
 background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(20,36,31,.04);
}
.panel, .card, .scene-copy, .form-card, .version { padding: 22px; }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 4px 10px; background: #e8f6f0; color: var(--moss-2); font-size: 12px; font-weight: 800; }
.badge.gold { background: #f8ecd9; color: #8a5a16; }
.badge.warn { background: #fde8e4; color: var(--danger); }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.meta-row b { background: var(--sand); border-radius: 999px; padding: 6px 10px; font-size: 13px; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.stat {
 background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 16px 14px;
 box-shadow: 0 10px 24px rgba(20,36,31,.04);
}
.stat strong { display: block; font-size: 28px; letter-spacing: -.04em; color: var(--pine); line-height: 1.1; }
.stat span { color: var(--muted); font-size: 13px; }
.desk-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: start; }
.channel { display: flex; gap: 14px; align-items: flex-start; padding: 16px; border-radius: 18px; border: 1px solid var(--line); background: var(--cream); margin-top: 12px; transition: .2s ease; }
.channel:hover { transform: translateY(-2px); border-color: #d7c3a2; box-shadow: var(--shadow); }
.channel i { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: #f8ecd9; color: var(--gold-2); flex: none; }
.channel strong { display: block; }
.filter-row { display: flex; gap: 10px; align-items: center; margin: 18px 0 14px; }
.filter-row i { color: var(--moss); }
.filter-row input {
 flex: 1; min-height: 52px; border-radius: 16px; border: 1px solid var(--line); background: white;
 padding: 0 14px; color: var(--text); font-size: 16px;
}
.filter-row input:hover { border-color: #d7c3a2; }
.issue-list { display: grid; gap: 12px; }
.issue {
 display: grid; grid-template-columns: 72px 1fr auto; gap: 16px; align-items: center;
 background: white; border: 1px solid var(--line); border-radius: 20px; padding: 16px 18px;
 transition: .2s ease;
}
.issue:hover { border-color: #d7c3a2; box-shadow: var(--shadow); transform: translateY(-2px); }
.issue-no { font-weight: 800; color: var(--gold-2); font-size: 20px; letter-spacing: -.04em; }
.issue h3 { font-size: 18px; letter-spacing: -.02em; margin-bottom: 4px; }
.issue p { color: var(--muted); font-size: 14.5px; }
.empty-note { display: none; padding: 18px; border-radius: 16px; background: white; border: 1px dashed #d7c3a2; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.step { background: white; border: 1px solid var(--line); border-radius: 22px; padding: 18px; min-height: 210px; position: relative; }
.step:hover { transform: translateY(-3px); box-shadow: var(--shadow); transition: .2s ease; }
.step em { font-style: normal; font-weight: 800; color: var(--moss-2); font-size: 13px; }
.step h3 { font-size: 20px; margin: 8px 0; letter-spacing: -.03em; }
.bar { height: 8px; background: #efe6d8; border-radius: 99px; overflow: hidden; margin-top: 16px; }
.bar span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--moss), var(--gold)); }
.scene-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 28px; align-items: center; }
.scene-photo { position: relative; }
.scene-photo img { width: 100%; height: 460px; object-fit: cover; border-radius: 28px; }
.photo-cap {
 position: absolute; left: 16px; right: 16px; bottom: 16px;
 background: rgba(18,54,46,.88); color: white; border-radius: 16px; padding: 12px 14px;
}
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-card { padding: 22px; border-radius: 28px; border: 1px solid var(--line); background: white; }
.compare-card.good { background: #12362e; color: #f6f1e7; border-color: #12362e; }
.compare-card.good .muted { color: #d9c7aa; }
.compare-card ul, .plain-list { display: grid; gap: 10px; margin-top: 14px; }
.compare-card li, .plain-list li { display: flex; gap: 10px; align-items: flex-start; }
.compare-card i, .plain-list i { margin-top: 4px; color: var(--moss); }
.compare-card.good i { color: #e2b56a; }
.quote {
 margin-top: 16px; padding: 14px 16px; border-left: 4px solid var(--gold); background: var(--sand); border-radius: 0 16px 16px 0;
}
.faq-list { display: grid; gap: 10px; }
.faq-item { background: white; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.faq-q {
 width: 100%; text-align: left; background: white; border: 0; padding: 16px 18px;
 display: flex; justify-content: space-between; gap: 12px; align-items: center;
 font-weight: 750; font-size: 16.5px; color: var(--pine);
}
.faq-q i { color: var(--gold-2); transition: .2s ease; }
.faq-item.open .faq-q { background: #fffaf3; }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 18px 16px; color: var(--muted); }
.faq-item.open .faq-a { display: block; }
.commit {
 background: var(--pine); color: white; border-radius: 0;
}
.commit .muted { color: #d9c7aa; }
.form-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 22px; align-items: start; }
.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field span { font-weight: 700; font-size: 14px; color: var(--pine); }
.field input, .field select, .field textarea {
 width: 100%; border: 1px solid var(--line); background: var(--cream); border-radius: 14px;
 min-height: 48px; padding: 10px 12px; color: var(--text); transition: .2s ease;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #d7c3a2; }
.form-note { min-height: 24px; font-weight: 700; margin-top: 8px; }
.form-note.ok { color: var(--moss-2); }
.form-note.bad { color: var(--danger); }
.assure { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.assure div { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 16px; padding: 12px; }
.thumb-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.thumb-row img { height: 110px; width: 100%; object-fit: cover; border-radius: 16px; }
.site-footer { background: #0e2420; color: #efe6d8; padding: 36px 0 28px; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.foot-links { display: flex; flex-wrap: wrap; gap: 14px 18px; }
.foot-links a { color: #f3eadc; font-weight: 600; }
.foot-links a:hover { color: #e2b56a; }
.sand-band { background: transparent; }
.cream-band { background: var(--cream); border-top: 1px solid rgba(229,221,208,.7); border-bottom: 1px solid rgba(229,221,208,.7); }
.split-copy { max-width: 640px; }
@media (max-width: 1024px) {
 .app-shell { grid-template-columns: 1fr; }
 .sidebar {
  position: fixed; z-index: 40; width: min(320px, 88vw); transform: translateX(-105%);
  transition: transform .25s ease; height: 100vh;
 }
 body.nav-open .sidebar { transform: none; }
 .mobile-bar { display: flex; }
 .desk-grid, .scene-grid, .compare-grid, .form-grid { grid-template-columns: 1fr; }
 .steps, .stat-row { grid-template-columns: 1fr 1fr; }
 .scene-photo img { height: 320px; }
 .store-hero { min-height: 560px; }
}
@media (max-width: 768px) {
 section { padding: 56px 0; }
 .wrap { width: min(1120px, calc(100% - 28px)); }
 h1 { max-width: none; }
 .issue { grid-template-columns: 1fr; gap: 8px; }
 .foot-grid { flex-direction: column; }
 .assure { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
 .steps, .stat-row, .thumb-row { grid-template-columns: 1fr; }
 .hero-actions .btn, .filter-row { width: 100%; }
 .series-bar { width: 100%; overflow: auto; flex-wrap: nowrap; }
 .series-bar a { white-space: nowrap; }
 .store-hero { min-height: 0; }
 .lead { font-size: 16px; }
 .mobile-brand strong { font-size: 14px; }
}