/* roulang page: index */
:root {
  --ink: #10151f;
  --ink-2: #182132;
  --ink-3: #243044;
  --sand: #f3efe7;
  --sand-2: #e7e0d4;
  --paper: #fbf8f3;
  --copper: #c56a16;
  --copper-2: #e3a15a;
  --copper-deep: #8a4510;
  --pine: #1f6f62;
  --pine-2: #d7efe9;
  --text: #221c16;
  --muted: #655d53;
  --line: rgba(34, 28, 22, .12);
  --line-strong: rgba(34, 28, 22, .22);
  --white: #fffdf9;
  --danger: #a61b1b;
  --ok: #1d7a4a;
  --shadow: 0 18px 40px rgba(16, 21, 31, .12);
  --shadow-soft: 0 8px 24px rgba(16, 21, 31, .08);
  --radius: 18px;
  --radius-sm: 12px;
  --header: 76px;
  --max: 1180px;
  --font: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--sand);
  line-height: 1.7;
  font-size: 16px;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.skip {
  position: absolute; left: 12px; top: -40px; background: var(--copper); color: var(--ink);
  padding: 8px 12px; border-radius: 8px; z-index: 80;
}
.skip:focus { top: 12px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header);
  display: flex; align-items: center;
  background: rgba(16, 21, 31, .94);
  color: #f6f1e8;
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(16px);
}
.header-inner {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #e3a15a, #c56a16 55%, #8a4510);
  color: #1a120c; font-weight: 800; font-size: 20px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 15px; font-weight: 800; letter-spacing: .02em; }
.brand-text small { color: #d9cbb8; font-size: 11px; font-weight: 600; }
.nav-scroll {
  display: flex; gap: 4px; align-items: center;
  overflow-x: auto; scrollbar-width: none; min-width: 0;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-link {
  flex: 0 0 auto;
  color: #d9d0c4;
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-link:focus-visible, .btn:focus-visible, .cmd-search input:focus-visible, .qa summary:focus-visible, .nav-toggle:focus-visible {
  outline: 2px solid var(--copper-2); outline-offset: 2px;
}
.nav-link.is-active {
  color: #fff8ee;
  background: rgba(197, 106, 22, .22);
  border-color: rgba(227, 161, 90, .45);
}
.header-tools { display: flex; align-items: center; gap: 10px; }
.cmd-search {
  display: flex; align-items: center; gap: 8px;
  background: #0c111b;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 6px 8px 6px 12px;
  min-width: 220px;
}
.cmd-search i { color: #c9bba8; font-size: 13px; }
.cmd-search input {
  width: 120px; flex: 1;
  background: transparent; border: 0; color: #fff; outline: none; font-size: 13px;
}
.cmd-search input::placeholder { color: #9c9082; }
.kbd {
  font-size: 10px; color: #d9cbb8; border: 1px solid rgba(255,255,255,.16);
  border-radius: 6px; padding: 2px 5px; letter-spacing: .04em;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; border: 1px solid transparent;
  padding: 11px 16px; font-weight: 700; font-size: 14px;
  cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-copper { background: var(--copper); color: #1a120c; box-shadow: 0 8px 18px rgba(197,106,22,.28); }
.btn-copper:hover { background: #d77a22; }
.btn-ink { background: var(--ink); color: #f6f1e8; }
.btn-ink:hover { background: #1c2638; }
.btn-ghost {
  background: transparent; color: #f6f1e8;
  border-color: rgba(255,255,255,.28);
}
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-line {
  background: var(--white); color: var(--ink);
  border-color: var(--line-strong);
}
.btn-line:hover { border-color: var(--copper); color: var(--copper-deep); }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid rgba(255,255,255,.16); background: #0c111b; color: #fff; cursor: pointer;
}
.drawer {
  display: none; position: fixed; inset: var(--header) 12px auto 12px; z-index: 49;
  background: #161d2c; color: #f6f1e8; border-radius: 18px;
  border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); padding: 14px;
}
body.nav-open .drawer { display: block; }
.drawer a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.06); font-weight: 650;
}
.drawer a.is-active { color: var(--copper-2); }
.drawer .cmd-search { margin-top: 12px; min-width: 0; width: 100%; }
main { display: block; }
.section { padding: 78px 0; position: relative; }
.section-sand { background: var(--sand); }
.section-paper { background: var(--paper); }
.section-dark { background: var(--ink); color: #f6f1e8; }
.section-ink2 { background: var(--ink-2); color: #f6f1e8; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--copper-deep);
}
.section-dark .kicker, .section-ink2 .kicker { color: var(--copper-2); }
.kicker i { font-size: 11px; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(28px, 3vw, 40px); margin: 8px 0 12px; }
.lead { color: var(--muted); font-size: 16.5px; max-width: 68ch; }
.section-dark .lead, .section-ink2 .lead { color: #d9d0c4; }
.hero {
  min-height: 640px;
  background:
    linear-gradient(180deg, rgba(10,14,22,.82) 0%, rgba(10,14,22,.58) 42%, rgba(10,14,22,.9) 100%),
    url('/assets/images/c1725489a6912c05.webp') center/cover no-repeat;
  color: #f7f2ea;
  padding: 54px 0 0;
}
.hero-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 28px; align-items: end; }
.hero h1 { font-size: clamp(34px, 5vw, 62px); max-width: 14ch; font-weight: 800; }
.hero-copy { max-width: 68ch; color: #e6dccf; margin: 16px 0 20px; font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.param-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip, .badge {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 6px 10px; font-size: 12.5px; font-weight: 700;
  border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.06);
}
.badge-copper { background: rgba(197,106,22,.16); color: #8a4510; border-color: rgba(197,106,22,.28); }
.badge-pine { background: var(--pine-2); color: #13584e; border-color: transparent; }
.badge-danger { background: #fde8e6; color: var(--danger); border-color: #f3c1bc; }
.hero-side {
  background: rgba(12, 17, 27, .72);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 22px;
  padding: 16px;
  backdrop-filter: blur(8px);
}
.hero-side img { width: 100%; height: 168px; object-fit: cover; border-radius: 14px; }
.side-note { margin-top: 12px; font-size: 13.5px; color: #e6dccf; }
.metric-bar {
  margin-top: 34px;
  background: rgba(8, 11, 18, .88);
  border-top: 1px solid rgba(255,255,255,.08);
}
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric {
  padding: 18px 8px;
  border-right: 1px solid rgba(255,255,255,.08);
}
.metric:last-child { border-right: 0; }
.metric b {
  display: block; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 28px; color: var(--copper-2); font-weight: 700;
}
.metric span { color: #cfc3b4; font-size: 13px; }
.flash {
  background: #1a120c;
  color: #f8f1e8;
  padding: 28px 0;
}
.flash-top, .flash-bottom { display: flex; justify-content: space-between; gap: 18px; align-items: center; }
.flash h2 { font-size: 28px; margin: 6px 0; }
.stock-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(166, 27, 27, .16); color: #ffd0cb;
  border: 1px solid rgba(255, 160, 150, .35);
  border-radius: 999px; padding: 7px 12px; font-weight: 700; font-size: 13px;
}
.stock-pill i { animation: pulse 1.4s ease infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.count-row { display: flex; gap: 8px; }
.count-box {
  min-width: 68px; text-align: center; background: #2a1c12;
  border: 1px solid rgba(227,161,90,.35); border-radius: 14px; padding: 8px 6px;
}
.count-box strong {
  display: block; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 26px; color: #fff;
}
.count-box small { color: #d9c3a8; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.btn-group { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.rail-wrap { display: grid; grid-template-columns: 280px 1fr; gap: 22px; align-items: stretch; }
.rail {
  display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: 8px;
}
.rail-card {
  flex: 0 0 270px; scroll-snap-align: start;
  background: var(--white); border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  box-shadow: var(--shadow-soft); transition: transform .2s ease, box-shadow .2s ease;
}
.rail-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.rail-card .media { position: relative; }
.rail-card img { width: 100%; height: 160px; object-fit: cover; }
.rail-card .hover-title {
  position: absolute; inset: auto 0 0 0; padding: 12px;
  background: linear-gradient(transparent, rgba(10,14,22,.88));
  color: #fff; font-weight: 700; opacity: 0; transition: opacity .2s ease;
}
.rail-card:hover .hover-title, .rail-card:focus-within .hover-title { opacity: 1; }
.rail-card .body { padding: 14px; }
.rail-card h3 { font-size: 17px; margin-bottom: 6px; }
.muted { color: var(--muted); font-size: 14px; }
.cal-layout { display: grid; grid-template-columns: 320px 1fr; gap: 22px; }
.cal-photo { position: relative; border-radius: 22px; overflow: hidden; min-height: 100%; }
.cal-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.cal-photo span {
  position: absolute; left: 14px; bottom: 14px; color: #fff;
  background: rgba(16,21,31,.72); border-radius: 12px; padding: 8px 10px; font-size: 13px;
}
.cal-list { display: flex; flex-direction: column; gap: 10px; }
.cal-item {
  display: grid; grid-template-columns: 92px 1fr; gap: 12px;
  background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 12px;
}
.cal-item time {
  font-family: ui-monospace, Menlo, Consolas, monospace; font-weight: 700; color: var(--copper-deep);
}
.topic-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.feature-card, .card, .note, .news-row, .media-card, .matrix-item, .persona, .qa {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-soft);
}
.feature-card { overflow: hidden; }
.feature-card img { width: 100%; height: 280px; object-fit: cover; }
.feature-card .body, .card .body, .note { padding: 18px; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.mini {
  display: grid; grid-template-columns: 92px 1fr; gap: 12px; align-items: center;
  background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 10px;
}
.mini img { width: 92px; height: 72px; object-fit: cover; border-radius: 12px; }
.opinion-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: center; }
.pull {
  font-size: clamp(26px, 3vw, 36px); font-weight: 750; line-height: 1.25;
}
.opinion-grid img { width: 100%; height: 220px; object-fit: cover; border-radius: 18px; margin-top: 16px; }
.note + .note { margin-top: 10px; }
.note h3 { font-size: 16px; margin-bottom: 6px; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-row {
  display: grid; grid-template-columns: 148px 1fr auto; gap: 14px; align-items: center; padding: 10px;
}
.news-row img { width: 148px; height: 96px; object-fit: cover; border-radius: 12px; }
.news-row h3 { font-size: 18px; margin-bottom: 4px; }
.more-row { display: flex; justify-content: flex-end; margin-top: 14px; }
.bento { display: grid; grid-template-columns: 1.3fr 1fr 1fr; grid-template-rows: 220px 180px; gap: 12px; }
.media-card { position: relative; overflow: hidden; min-height: 160px; }
.media-card img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.media-card figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 14px;
  background: linear-gradient(transparent, rgba(10,14,22,.86)); color: #fff; font-weight: 700;
}
.media-card.wide { grid-row: 1 / span 2; }
.data-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 22px; }
.bars { display: flex; flex-direction: column; gap: 14px; }
.bar-row { display: grid; grid-template-columns: 150px 1fr 52px; gap: 10px; align-items: center; font-size: 14px; }
.track { height: 10px; background: rgba(255,255,255,.08); border-radius: 999px; overflow: hidden; }
.track span { display: block; height: 100%; background: linear-gradient(90deg, var(--copper), var(--copper-2)); border-radius: inherit; }
.guarantee {
  background:
    linear-gradient(100deg, rgba(16,21,31,.92), rgba(16,21,31,.72)),
    url('/assets/images/d7dc88eebb28f4e1.webp') center/cover no-repeat;
  color: #f6f1e8;
}
.icon-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.icon-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px; padding: 16px;
}
.icon-card i { color: var(--copper-2); font-size: 20px; }
.icon-card h3 { font-size: 16px; margin: 8px 0; }
.matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.matrix-item {
  display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 14px 16px;
  transition: border-color .2s ease, transform .2s ease;
}
.matrix-item:hover { border-color: var(--copper); transform: translateX(3px); }
.idx {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: #f4e4d2; color: var(--copper-deep); font-weight: 800;
}
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.panel { border-radius: 20px; padding: 20px; border: 1px solid var(--line); }
.panel.good { background: #f3faf7; }
.panel.warn { background: #fbf6f1; }
.panel h3 { margin-bottom: 8px; }
.panel li { padding: 9px 0; border-bottom: 1px solid var(--line); display: flex; gap: 8px; }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 0; right: 0; top: 22px; height: 2px; background: var(--sand-2);
}
.step { position: relative; background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 16px 14px; }
.dot {
  width: 14px; height: 14px; border-radius: 50%; background: var(--copper); border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--copper); margin-bottom: 12px;
}
.personas { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.persona { padding: 20px; }
.persona.fit { background: #f4fbf8; }
.persona.skip { background: #fbf7f3; }
.persona li { padding-left: 18px; position: relative; margin-top: 8px; }
.persona li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--pine); position: absolute; left: 0; top: 9px; }
.badge-wall { display: flex; flex-wrap: wrap; gap: 10px; }
.partner {
  background: var(--white); border: 1px dashed var(--line-strong); border-radius: 999px;
  padding: 10px 14px; font-weight: 700; display: inline-flex; gap: 8px; align-items: center;
}
.qa-wrap { display: grid; grid-template-columns: .7fr 1.3fr; gap: 22px; }
.qa { padding: 0; overflow: hidden; }
.qa summary {
  cursor: pointer; list-style: none; padding: 16px 18px; font-weight: 750;
  display: flex; justify-content: space-between; gap: 12px;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--copper-deep); font-size: 22px; }
.qa[open] summary::after { content: "–"; }
.qa p { padding: 0 18px 16px; color: var(--muted); }
.sub-band {
  background:
    linear-gradient(110deg, rgba(16,21,31,.94), rgba(90, 48, 16, .88)),
    url('/assets/images/772addeabb0e528d.webp') center/cover no-repeat;
  color: #f8f2ea;
}
.sub-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: center; }
.form {
  background: rgba(255,255,255,.96); color: var(--text);
  border-radius: 22px; padding: 18px; display: grid; gap: 10px;
}
label { font-size: 13px; font-weight: 700; }
input, select {
  width: 100%; border: 1px solid var(--line-strong); background: #fff; color: var(--text);
  border-radius: 12px; padding: 12px 12px; font-size: 15px;
}
input:focus, select:focus { outline: 2px solid var(--copper); border-color: var(--copper); }
.form-note { font-size: 12.5px; color: var(--muted); }
.success { display: none; background: var(--pine-2); color: #12483f; border-radius: 14px; padding: 12px; font-weight: 700; }
.site-footer { background: #0c111b; color: #d9d0c4; padding: 36px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 18px; }
.site-footer a { color: #f0e6d8; }
.site-footer a:hover { color: var(--copper-2); }
.footer-brand { font-size: 20px; color: #fff; font-weight: 800; }
.legal { margin-top: 22px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.toast {
  position: fixed; right: 16px; bottom: 16px; z-index: 70;
  background: var(--ink); color: #fff; border-radius: 14px; padding: 12px 14px;
  box-shadow: var(--shadow); display: none; max-width: 280px;
}
.toast.show { display: block; }
@media (max-width: 1024px) {
  .hero-grid, .rail-wrap, .cal-layout, .topic-layout, .opinion-grid, .data-layout, .qa-wrap, .sub-grid, .footer-grid { grid-template-columns: 1fr; }
  .metric-grid, .icon-row { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .timeline::before { display: none; }
  .bento { grid-template-columns: 1fr 1fr; grid-template-rows: none; }
  .media-card.wide { grid-row: auto; min-height: 220px; }
  .news-row { grid-template-columns: 120px 1fr; }
  .news-row .btn { display: none; }
  .cmd-search { min-width: 160px; }
  .hero h1 { max-width: none; }
}
@media (max-width: 860px) {
  .nav-scroll, .header-tools .cmd-search, .header-tools .kbd { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .header-inner { grid-template-columns: 1fr auto; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .flash-top, .flash-bottom, .legal { flex-direction: column; align-items: flex-start; }
  .compare, .personas, .matrix { grid-template-columns: 1fr; }
  .cal-item { grid-template-columns: 72px 1fr; }
  .hero { min-height: 0; }
}
@media (max-width: 520px) {
  .container, .header-inner { width: calc(100% - 24px); }
  .metric-grid, .icon-row, .timeline, .bento { grid-template-columns: 1fr; }
  .news-row, .mini, .bar-row { grid-template-columns: 1fr; }
  .news-row img, .mini img { width: 100%; height: 160px; }
  .brand-text small { display: none; }
  .btn { width: 100%; }
  .hero-actions .btn, .btn-group .btn, .header-tools .btn { width: auto; }
  .count-box { min-width: 58px; }
  h1 { font-size: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category2 */
:root {
 --ink: #10151f;
 --ink-2: #182132;
 --ink-3: #243044;
 --sand: #f3efe7;
 --sand-2: #e7e0d4;
 --paper: #fbf8f3;
 --copper: #c56a16;
 --copper-2: #e3a15a;
 --copper-deep: #8a4510;
 --pine: #1f6f62;
 --pine-2: #d7efe9;
 --text: #221c16;
 --muted: #655d53;
 --line: rgba(34, 28, 22, .12);
 --line-strong: rgba(34, 28, 22, .22);
 --white: #fffdf9;
 --danger: #a61b1b;
 --ok: #1d7a4a;
 --shadow: 0 18px 40px rgba(16, 21, 31, .12);
 --shadow-soft: 0 8px 24px rgba(16, 21, 31, .08);
 --radius: 18px;
 --radius-sm: 12px;
 --header: 76px;
 --max: 1180px;
 --font: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
}
/* roulang page: index */
:root {
 --ink: #10151f;
 --ink-2: #182132;
 --ink-3: #243044;
 --sand: #f3efe7;
 --sand-2: #e7e0d4;
 --paper: #fbf8f3;
 --copper: #c56a16;
 --copper-2: #e3a15a;
 --copper-deep: #8a4510;
 --pine: #1f6f62;
 --pine-2: #d7efe9;
 --text: #221c16;
 --muted: #655d53;
 --line: rgba(34, 28, 22, .12);
 --line-strong: rgba(34, 28, 22, .22);
 --white: #fffdf9;
 --danger: #a61b1b;
 --ok: #1d7a4a;
 --shadow: 0 18px 40px rgba(16, 21, 31, .12);
 --shadow-soft: 0 8px 24px rgba(16, 21, 31, .08);
 --radius: 18px;
 --radius-sm: 12px;
 --header: 76px;
 --max: 1180px;
 --font: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: var(--font);
 color: var(--text);
 background: var(--sand);
 line-height: 1.7;
 font-size: 16px;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky; top: 0; z-index: 50;
 height: var(--header);
 display: flex; align-items: center;
 background: rgba(16, 21, 31, .94);
 color: #f6f1e8;
 border-bottom: 1px solid rgba(255,255,255,.08);
 backdrop-filter: blur(16px);
}
.header-inner {
 width: min(1280px, calc(100% - 32px));
 margin: 0 auto;
 display: grid;
 grid-template-columns: auto minmax(0, 1fr) auto;
 gap: 18px;
 align-items: center;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
 width: 40px; height: 40px; border-radius: 12px;
 display: grid; place-items: center;
 background: linear-gradient(160deg, #e3a15a, #c56a16 55%, #8a4510);
 color: #1a120c; font-weight: 800; font-size: 20px;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 15px; font-weight: 800; letter-spacing: .02em; }
.brand-text small { color: #d9cbb8; font-size: 11px; font-weight: 600; }
.nav-scroll {
 display: flex; gap: 4px; align-items: center;
 overflow-x: auto; scrollbar-width: none; min-width: 0;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-link {
 flex: 0 0 auto;
 color: #d9d0c4;
 font-size: 13.5px;
 font-weight: 600;
 padding: 8px 10px;
 border-radius: 999px;
 border: 1px solid transparent;
 transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-link:focus-visible, .btn:focus-visible, .cmd-search input:focus-visible, .qa summary:focus-visible, .nav-toggle:focus-visible, .field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
 outline: 2px solid var(--copper-2); outline-offset: 2px;
}
.nav-link.is-active {
 color: #fff8ee;
 background: rgba(197, 106, 22, .22);
 border-color: rgba(227, 161, 90, .45);
}
.header-tools { display: flex; align-items: center; gap: 10px; }
.cmd-search {
 display: flex; align-items: center; gap: 8px;
 background: #0c111b;
 border: 1px solid rgba(255,255,255,.12);
 border-radius: 999px;
 padding: 6px 8px 6px 12px;
 min-width: 220px;
}
.cmd-search i { color: #c9bba8; font-size: 13px; }
.cmd-search input {
 width: 120px; flex: 1;
 background: transparent; border: 0; color: #fff; outline: none; font-size: 13px;
}
.cmd-search input::placeholder { color: #9c9082; }
.kbd {
 color: #c9bba8; font-size: 11px; border: 1px solid rgba(255,255,255,.16);
 border-radius: 7px; padding: 2px 6px; letter-spacing: .04em;
}
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 border-radius: 999px; border: 1px solid transparent;
 padding: 11px 16px; font-weight: 700; font-size: 14px;
 cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-copper { background: var(--copper); color: #1a120c; box-shadow: 0 8px 18px rgba(197,106,22,.28); }
.btn-copper:hover { background: #d77a22; }
.btn-ink { background: var(--ink); color: #f6f1e8; }
.btn-ink:hover { background: #1c2638; }
.btn-ghost {
 background: transparent; color: #f6f1e8;
 border-color: rgba(255,255,255,.28);
}
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-line {
 background: var(--white); color: var(--ink);
 border-color: var(--line-strong);
}
.btn-line:hover { border-color: var(--copper); color: var(--copper-deep); }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.nav-toggle {
 display: none; width: 42px; height: 42px; border-radius: 12px;
 border: 1px solid rgba(255,255,255,.16); background: #0c111b; color: #fff; cursor: pointer;
}
.drawer {
 display: none; position: fixed; inset: var(--header) 12px auto 12px; z-index: 49;
 background: #161d2c; color: #f6f1e8; border-radius: 18px;
 border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); padding: 14px;
}
body.nav-open .drawer { display: block; }
.drawer a {
 display: flex; justify-content: space-between; align-items: center;
 padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.06); font-weight: 650;
}
.drawer a.is-active { color: var(--copper-2); }
.drawer .cmd-search { margin-top: 12px; min-width: 0; width: 100%; }
main { display: block; }
.section { padding: 78px 0; position: relative; }
.section-sand { background: var(--sand); }
.section-paper { background: var(--paper); }
.section-dark { background: var(--ink); color: #f6f1e8; }
.section-ink2 { background: var(--ink-2); color: #f6f1e8; }
.section-dark .kicker, .section-ink2 .kicker { color: var(--copper-2); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2, .block-title { font-size: clamp(28px, 3vw, 40px); line-height: 1.2; letter-spacing: -0.03em; margin: 8px 0 12px; }
.lead { color: var(--muted); font-size: 16.5px; max-width: 68ch; }
.section-dark .lead, .section-ink2 .lead, .xm-mast .lead { color: #d9d0c4; }
.kicker { color: var(--copper-deep); font-weight: 700; font-size: 13px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.mt-2 { margin-top: 8px; }
.site-footer { background: #0c111b; color: #d9d0c4; padding: 48px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .9fr; gap: 28px; }
.footer-brand { color: #fff; font-weight: 800; font-size: 18px; }
.site-footer a { color: #f0e6d8; }
.site-footer a:hover { color: var(--copper-2); }
.site-footer strong { color: #fff; display: block; }
.legal {
 display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
 border-top: 1px solid rgba(255,255,255,.08); margin-top: 28px; padding-top: 16px;
 color: #b7ab9d; font-size: 13px;
}
.xm-mast {
 background:
  linear-gradient(100deg, rgba(10,14,22,.92) 0%, rgba(10,14,22,.72) 48%, rgba(10,14,22,.55) 100%),
  url('/assets/images/772addeabb0e528d.webp') center/cover no-repeat;
 color: #f7f2ea;
 padding: 42px 0 0;
}
.xm-mast-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 28px; align-items: stretch; }
.xm-mast h1 { font-size: clamp(34px, 4.6vw, 58px); line-height: 1.08; letter-spacing: -0.035em; font-weight: 800; max-width: 16ch; }
.xm-mast .lead { margin: 16px 0 22px; font-size: 17px; }
.xm-ticket {
 background: rgba(251, 248, 243, .96);
 color: var(--text);
 border-radius: 22px;
 padding: 18px;
 box-shadow: var(--shadow);
 border: 1px solid rgba(255,255,255,.4);
}
.xm-ticket-top { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 14px; }
.xm-ticket h2 { font-size: 22px; letter-spacing: -0.03em; }
.param-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.param {
 background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px;
}
.param span { display: block; color: var(--muted); font-size: 12px; font-weight: 600; }
.param strong { font-size: 15px; }
.xm-series {
 display: flex; gap: 8px; overflow-x: auto; padding: 22px 0 18px; scrollbar-width: none;
}
.xm-series::-webkit-scrollbar { display: none; }
.xm-chip {
 flex: 0 0 auto; border: 1px solid rgba(255,255,255,.22); color: #f6f1e8;
 border-radius: 999px; padding: 8px 12px; font-size: 13px; font-weight: 700;
 background: rgba(12,17,27,.42);
}
.xm-chip.is-on { background: var(--copper); color: #1a120c; border-color: transparent; }
.stat-board { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 14px; }
.stat-card, .card, .qa, .news-row, .matrix-row, .mile, .answer-row {
 background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-soft);
}
.stat-card { padding: 18px; min-height: 148px; display: flex; flex-direction: column; justify-content: space-between; }
.stat-card.wide { background: var(--ink); color: #f6f1e8; }
.stat-card.wide p { color: #d9d0c4; }
.stat-value { font-size: clamp(32px, 4vw, 44px); font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.stat-label { color: var(--muted); font-size: 14px; margin-top: 8px; }
.stat-card.wide .stat-label { color: #e3a15a; }
.badge, .tag {
 display: inline-flex; align-items: center; gap: 6px; border-radius: 999px;
 padding: 4px 10px; font-size: 12px; font-weight: 800;
}
.badge-ok, .tag-ok { background: var(--pine-2); color: var(--pine); }
.badge-wait, .tag-wait { background: #f6e7d4; color: var(--copper-deep); }
.badge-bad, .tag-bad { background: #f8e4e1; color: var(--danger); }
.matrix-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 22px; align-items: start; }
.matrix-copy { position: sticky; top: 96px; }
.matrix-list { display: flex; flex-direction: column; gap: 10px; }
.matrix-row {
 display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 14px 16px;
 transition: transform .18s ease, box-shadow .18s ease;
}
.matrix-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.matrix-ico {
 width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
 background: var(--sand); color: var(--copper-deep);
}
.matrix-row p { color: var(--muted); font-size: 14px; }
.compare { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
.panel { border-radius: 24px; padding: 22px; min-height: 100%; }
.panel-ok { background: var(--ink-2); color: #f6f1e8; }
.panel-bad { background: var(--white); border: 1px solid var(--line); }
.panel h3 { font-size: 28px; margin: 10px 0; letter-spacing: -0.03em; }
.panel li { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; border-top: 1px solid rgba(255,255,255,.08); }
.panel-bad li { border-top-color: var(--line); }
.panel li i { margin-top: 4px; }
.wait-strip {
 margin-top: 16px; display: grid; grid-template-columns: 180px 1fr auto; gap: 16px; align-items: center;
 background: #fff7ee; border: 1px dashed rgba(197,106,22,.45); border-radius: 18px; padding: 16px 18px;
}
.mile-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 26px; align-items: center; }
.time-list { display: flex; flex-direction: column; gap: 0; }
.mile { padding: 14px 16px; display: grid; grid-template-columns: 72px 1fr; gap: 12px; margin-bottom: 10px; }
.mile time { color: var(--copper-deep); font-weight: 800; }
.media { border-radius: 24px; overflow: hidden; min-height: 320px; border: 1px solid var(--line); }
.media img, .thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-row { display: grid; grid-template-columns: 168px 1fr; gap: 16px; padding: 12px; transition: transform .18s ease, box-shadow .18s ease; }
.news-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.thumb { height: 112px; border-radius: 14px; overflow: hidden; }
.news-row h3 { font-size: 20px; letter-spacing: -0.02em; margin: 4px 0 6px; }
.news-row p { color: var(--muted); }
.assure { display: grid; grid-template-columns: 1fr .8fr; gap: 22px; align-items: center; }
.check-list li { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.assure-photo { border-radius: 24px; overflow: hidden; min-height: 280px; border: 1px solid rgba(255,255,255,.08); }
.assure-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
.answer-list { display: flex; flex-direction: column; }
.answer-row { display: grid; grid-template-columns: 180px 1fr; gap: 18px; padding: 16px 18px; border-radius: 0; box-shadow: none; }
.answer-row + .answer-row { border-top: 0; }
.answer-list .answer-row:first-child { border-radius: 18px 18px 0 0; }
.answer-list .answer-row:last-child { border-radius: 0 0 18px 18px; }
.answer-row strong { font-size: 16px; }
.answer-row p { color: var(--muted); }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.qa summary { cursor: pointer; font-weight: 750; padding: 16px 18px; list-style: none; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary:after { content: "+"; color: var(--copper-deep); font-size: 22px; line-height: 1; }
.qa[open] summary:after { content: "–"; }
.qa p { padding: 0 18px 16px; color: var(--muted); }
.qa[open] { border-color: rgba(197,106,22,.45); }
.form-shell { display: grid; grid-template-columns: .82fr 1.18fr; gap: 22px; align-items: start; }
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: 24px; padding: 20px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field span { font-weight: 700; font-size: 14px; }
.field input, .field select, .field textarea {
 border: 1px solid var(--line-strong); border-radius: 12px; padding: 12px 14px;
 background: #fff; color: var(--text); font-size: 15px;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--copper); }
.form-note { margin-top: 12px; background: var(--pine-2); color: var(--pine); border-radius: 12px; padding: 12px 14px; font-weight: 700; }
.side-note { background: var(--ink); color: #f6f1e8; border-radius: 24px; padding: 22px; }
.side-note li { padding: 8px 0 8px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
@media (max-width: 1024px) {
 .cmd-search { min-width: 160px; }
 .kbd { display: none; }
 .stat-board, .matrix-layout, .compare, .mile-wrap, .assure, .form-shell, .footer-grid, .xm-mast-grid { grid-template-columns: 1fr; }
 .matrix-copy { position: static; }
 .wait-strip { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
 .header-inner { grid-template-columns: 1fr auto; }
 .nav-scroll, .header-tools .cmd-search { display: none; }
 .nav-toggle { display: inline-grid; place-items: center; }
 .section { padding: 62px 0; }
 .news-row, .answer-row, .form-grid, .param-list { grid-template-columns: 1fr; }
 .thumb { height: 180px; }
}
@media (min-width: 769px) {
 body.nav-open .drawer { display: none; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 .section { padding: 52px 0; }
 .xm-mast h1 { font-size: 34px; }
 .hero-actions .btn, .form-actions .btn { width: 100%; }
 .header-tools .btn-sm { display: none; }
 .mile { grid-template-columns: 1fr; }
 .legal { flex-direction: column; }
}

/* roulang page: category1 */
:root {
  --ink: #10151f;
  --ink-2: #182132;
  --ink-3: #243044;
  --sand: #f3efe7;
  --sand-2: #e7e0d4;
  --paper: #fbf8f3;
  --copper: #c56a16;
  --copper-2: #e3a15a;
  --copper-deep: #8a4510;
  --pine: #1f6f62;
  --pine-2: #d7efe9;
  --text: #221c16;
  --muted: #655d53;
  --line: rgba(34, 28, 22, .12);
  --line-strong: rgba(34, 28, 22, .22);
  --white: #fffdf9;
  --danger: #a61b1b;
  --ok: #1d7a4a;
  --shadow: 0 18px 40px rgba(16, 21, 31, .12);
  --shadow-soft: 0 8px 24px rgba(16, 21, 31, .08);
  --radius: 18px;
  --radius-sm: 12px;
  --header: 76px;
  --max: 1180px;
  --font: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--sand);
  line-height: 1.7;
  font-size: 16px;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; overflow-wrap: break-word; }
h1, h2, h3 { line-height: 1.18; letter-spacing: -0.02em; }
::selection { background: rgba(197, 106, 22, .28); }
.container { width: min(var(--max), calc(100% - 40px)) !important; max-width: var(--max); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header);
  display: flex; align-items: center;
  background: rgba(16, 21, 31, .94);
  color: #f6f1e8;
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(16px);
}
.header-inner {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #e3a15a, #c56a16 55%, #8a4510);
  color: #1a120c; font-weight: 800; font-size: 20px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 15px; font-weight: 800; letter-spacing: .02em; }
.brand-text small { color: #d9cbb8; font-size: 11px; font-weight: 600; }
.nav-scroll {
  display: flex; gap: 4px; align-items: center;
  overflow-x: auto; scrollbar-width: none; min-width: 0;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-link {
  flex: 0 0 auto;
  color: #d9d0c4;
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-link:focus-visible, .btn:focus-visible, .cmd-search input:focus-visible, .qa summary:focus-visible, .nav-toggle:focus-visible, .series-inner a:focus-visible, .field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: 2px solid var(--copper-2); outline-offset: 2px;
}
.nav-link.is-active {
  color: #fff8ee;
  background: rgba(197, 106, 22, .22);
  border-color: rgba(227, 161, 90, .45);
}
.header-tools { display: flex; align-items: center; gap: 10px; }
.cmd-search {
  display: flex; align-items: center; gap: 8px;
  background: #0c111b;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 6px 8px 6px 12px;
  min-width: 220px;
}
.cmd-search i { color: #c9bba8; font-size: 13px; }
.cmd-search input {
  width: 120px; flex: 1;
  background: transparent; border: 0; color: #fff; outline: none; font-size: 13px;
}
.cmd-search input::placeholder { color: #9c9082; }
.kbd {
  font-size: 11px; color: #c9bba8;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 6px; padding: 2px 6px; letter-spacing: .04em; white-space: nowrap;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; border: 1px solid transparent;
  padding: 11px 16px; font-weight: 700; font-size: 14px;
  cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-copper { background: var(--copper); color: #1a120c; box-shadow: 0 8px 18px rgba(197,106,22,.28); }
.btn-copper:hover { background: #d77a22; }
.btn-ink { background: var(--ink); color: #f6f1e8; }
.btn-ink:hover { background: #1c2638; }
.btn-ghost { background: transparent; color: #f6f1e8; border-color: rgba(255,255,255,.28); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-line { background: var(--white); color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover { border-color: var(--copper); color: var(--copper-deep); }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid rgba(255,255,255,.16); background: #0c111b; color: #fff; cursor: pointer;
}
.drawer {
  display: none; position: fixed; inset: var(--header) 12px auto 12px; z-index: 49;
  background: #161d2c; color: #f6f1e8; border-radius: 18px;
  border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); padding: 14px;
}
body.nav-open .drawer { display: block; }
.drawer a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.06); font-weight: 650;
}
.drawer a.is-active { color: var(--copper-2); }
.drawer .cmd-search { margin-top: 12px; min-width: 0; width: 100%; }
main { display: block; }
.section { padding: 78px 0; position: relative; }
.section-sand { background: var(--sand); }
.section-paper { background: var(--paper); }
.section-dark { background: var(--ink); color: #f6f1e8; }
.section-ink2 { background: var(--ink-2); color: #f6f1e8; }
.section-dark .kicker, .section-ink2 .kicker { color: var(--copper-2); }
.section-head { max-width: 760px; margin-bottom: 28px; text-align: left; }
.section-head h2 { font-size: clamp(28px, 3vw, 40px); margin: 8px 0 12px; }
.section-head.split {
  max-width: none;
  display: flex; justify-content: space-between; align-items: end; gap: 18px;
}
.lead { color: var(--muted); font-size: 16.5px; max-width: 68ch; }
.section-dark .lead, .section-ink2 .lead { color: #d9d0c4; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--copper-deep); font-size: 12px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
}
.hero {
  min-height: 640px;
  background:
    linear-gradient(180deg, rgba(10,14,22,.82) 0%, rgba(10,14,22,.58) 42%, rgba(10,14,22,.9) 100%),
    url('/assets/images/c1725489a6912c05.webp') center/cover no-repeat;
  color: #f7f2ea;
  padding: 54px 0 0;
}
.hero-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 28px; align-items: end; }
.hero h1 { font-size: clamp(34px, 5vw, 62px); max-width: 14ch; font-weight: 800; }
.hero-copy { max-width: 68ch; color: #e6dccf; margin: 16px 0 20px; font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.page-hero {
  min-height: 560px;
  display: flex; flex-direction: column; justify-content: flex-end;
  background:
    linear-gradient(100deg, rgba(10,14,22,.9) 0%, rgba(10,14,22,.62) 46%, rgba(10,14,22,.38) 100%),
    url('/assets/images/772addeabb0e528d.webp') center/cover no-repeat;
  color: #f7f2ea;
  padding-top: 36px;
}
.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .72fr);
  gap: 28px;
  align-items: end;
  padding-bottom: 28px;
}
.page-hero h1 { font-size: clamp(32px, 4.6vw, 56px); max-width: 16ch; font-weight: 800; margin-top: 10px; }
.crumb { color: #d9cbb8; font-size: 13px; font-weight: 600; display: flex; gap: 8px; align-items: center; }
.crumb a { color: #f3e2cc; border-bottom: 1px solid transparent; }
.crumb a:hover { border-bottom-color: var(--copper-2); }
.live-card {
  background: rgba(12, 17, 27, .78);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 22px;
  padding: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.live-card h2 { font-size: 20px; margin: 8px 0 12px; }
.live-row {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 9px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 14px;
}
.live-row span { color: #d9d0c4; }
.live-row strong { color: #fff8ee; text-align: right; }
.dot {
  width: 8px; height: 8px; border-radius: 50%; background: #3dbe7a;
  box-shadow: 0 0 0 0 rgba(61,190,122,.55);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 8px rgba(61,190,122,0); }
  100% { box-shadow: 0 0 0 0 rgba(61,190,122,0); }
}
.series-bar {
  background: rgba(12, 17, 27, .78);
  border-top: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
}
.series-inner {
  display: flex; align-items: center; gap: 8px;
  overflow-x: auto; scrollbar-width: none; padding: 12px 0;
}
.series-inner::-webkit-scrollbar { display: none; }
.series-label {
  flex: 0 0 auto; color: var(--copper-2); font-size: 12px; font-weight: 800;
  letter-spacing: .12em; text-transform: uppercase; margin-right: 6px;
}
.series-inner a {
  flex: 0 0 auto; color: #f6f1e8;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px; padding: 8px 12px;
  font-size: 13px; font-weight: 700;
  transition: background .18s ease, border-color .18s ease;
}
.series-inner a:hover, .series-inner a:focus-visible { background: rgba(197,106,22,.35); border-color: rgba(227,161,90,.5); }
.board {
  background: var(--ink);
  color: #f6f1e8;
  border-radius: 24px;
  padding: 18px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.06);
}
.board-top {
  display: flex; justify-content: space-between; gap: 12px; align-items: center;
  margin-bottom: 14px;
}
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.stat-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 16px;
  min-height: 132px;
  transition: transform .18s ease, border-color .18s ease;
}
.stat-card:hover { transform: translateY(-3px); border-color: rgba(227,161,90,.45); }
.stat-card em { display: block; font-style: normal; color: #c9bba8; font-size: 13px; font-weight: 600; }
.stat-card strong { display: block; margin: 10px 0 4px; font-size: clamp(28px, 3vw, 38px); letter-spacing: -0.03em; color: #fff; }
.stat-card small { color: #d9d0c4; }
.badge, .pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 700;
}
.badge { background: var(--pine-2); color: var(--pine); }
.badge-copper { background: rgba(197,106,22,.14); color: var(--copper-deep); }
.badge-ink { background: rgba(255,255,255,.08); color: #f6f1e8; border: 1px solid rgba(255,255,255,.12); }
.pill-ok { background: rgba(61,190,122,.16); color: #b7f0cf; }
.matrix-feature {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 0;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft);
}
.matrix-copy { padding: 28px; }
.matrix-copy h3 { font-size: 28px; margin: 8px 0 10px; }
.cover-frame { min-height: 100%; position: relative; }
.cover-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
.cover-frame figcaption {
  position: absolute; left: 14px; right: 14px; bottom: 14px;
  background: rgba(16,21,31,.78); color: #f6f1e8;
  border-radius: 12px; padding: 10px 12px; font-size: 13px;
}
.lane-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 14px; }
.lane {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow-soft);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.lane:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(197,106,22,.4); }
.lane i {
  width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--sand-2); color: var(--copper-deep); margin-bottom: 10px;
}
.lane h3 { font-size: 18px; margin-bottom: 6px; }
.lane p, .matrix-copy p, .prose p { color: var(--muted); }
.compare {
  display: grid; grid-template-columns: .82fr 1.18fr; gap: 22px; align-items: start;
}
.compare-stack { display: grid; gap: 12px; }
.result {
  display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 14px;
  background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 14px;
}
.result b { display: block; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; }
.result.ok { border-left: 4px solid var(--ok); }
.result.wait { border-left: 4px solid var(--copper); }
.result.back { border-left: 4px solid var(--danger); }
.result p { color: var(--muted); margin-top: 4px; }
.mark {
  width: 92px; height: 72px; border-radius: 12px;
  display: grid; place-items: center; font-weight: 800; font-size: 13px; text-align: center;
}
.mark.ok { background: var(--pine-2); color: var(--pine); }
.mark.wait { background: rgba(197,106,22,.14); color: var(--copper-deep); }
.mark.back { background: #f8e4e4; color: var(--danger); }
.split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.rail { position: relative; margin: 0; padding: 0 0 0 28px; list-style: none; }
.rail::before {
  content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(var(--copper), var(--sand-2));
}
.rail li { position: relative; margin: 0 0 18px; background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; }
.rail li::before {
  content: ""; position: absolute; left: -26px; top: 18px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--copper); box-shadow: 0 0 0 4px #f3e2cc;
}
.rail strong { display: block; }
.rail span { color: var(--muted); font-size: 14px; }
.side-card {
  background: var(--ink); color: #f6f1e8; border-radius: 22px; overflow: hidden; box-shadow: var(--shadow);
}
.side-card img { width: 100%; height: 210px; object-fit: cover; }
.side-card div { padding: 18px; }
.side-card li { margin: 8px 0; color: #e6dccf; }
.news-list { display: grid; gap: 12px; }
.news-item {
  display: flex; gap: 16px; align-items: center;
  background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 12px;
  transition: border-color .18s ease, transform .18s ease;
}
.news-item:hover { border-color: rgba(197,106,22,.45); transform: translateX(3px); }
.thumb { width: 168px; height: 112px; object-fit: cover; border-radius: 12px; flex: 0 0 auto; }
.news-item time { color: var(--copper-deep); font-size: 12px; font-weight: 800; letter-spacing: .06em; }
.news-item h3 { font-size: 18px; margin: 4px 0; }
.news-item p { color: var(--muted); font-size: 14.5px; }
.assure {
  background:
    linear-gradient(105deg, rgba(16,21,31,.94) 0%, rgba(16,21,31,.86) 52%, rgba(16,21,31,.72) 100%),
    url('/assets/images/d7dc88eebb28f4e1.webp') center/cover no-repeat;
  color: #f6f1e8;
}
.assure-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: center; }
.check { list-style: none; margin: 18px 0 0; padding: 0; }
.check li {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.1);
}
.check i { color: var(--copper-2); margin-top: 4px; }
.assure-photo {
  border-radius: 22px; overflow: hidden; border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
}
.assure-photo img { width: 100%; height: 340px; object-fit: cover; }
.defs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.defs div {
  background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px;
}
.defs dt { font-weight: 800; margin-bottom: 4px; }
.defs dd { margin: 0; color: var(--muted); }
.qa { max-width: 860px; }
.qa details {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0 16px; margin-bottom: 10px;
}
.qa summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--copper-deep); font-size: 20px; line-height: 1; }
.qa details[open] summary::after { content: "–"; }
.qa details[open] { border-color: rgba(197,106,22,.45); box-shadow: var(--shadow-soft); }
.qa details p { color: var(--muted); padding-bottom: 14px; }
.form-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: start; }
.form-card, .note-card {
  background: var(--white); border: 1px solid var(--line); border-radius: 22px; padding: 22px;
  box-shadow: var(--shadow-soft);
}
.form-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 700; font-size: 14px; }
.field input, .field select, .field textarea {
  border: 1px solid var(--line-strong); background: #fff; border-radius: 12px;
  padding: 12px 14px; color: var(--text); font-size: 15px; width: 100%;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--copper); }
.form-ok {
  margin-top: 12px; background: var(--pine-2); color: #13483f;
  border-radius: 12px; padding: 12px 14px; font-weight: 700;
}
.note-card img { width: 100%; height: 160px; object-fit: cover; border-radius: 14px; margin-bottom: 14px; }
.note-card li { margin: 8px 0 0 18px; color: var(--muted); }
.site-footer { background: #0c111b; color: #e7dccf; padding: 48px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 28px; }
.footer-brand { font-weight: 800; font-size: 18px; color: #fff; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 6px 0; }
.site-footer a { color: #e3a15a; }
.site-footer a:hover { color: #fff; }
.legal {
  margin-top: 28px; padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; gap: 10px;
  color: #b7aa9b; font-size: 13px;
}
.mt-2 { margin-top: 8px; }
@media (max-width: 1024px) {
  .header-inner { gap: 10px; }
  .cmd-search { min-width: 160px; }
  .kbd { display: none; }
  .hero-layout, .matrix-feature, .compare, .split, .assure-grid, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .lane-row { grid-template-columns: 1fr 1fr; }
  .page-hero { min-height: 0; }
  .cover-frame img, .assure-photo img { height: 240px; min-height: 0; }
}
@media (max-width: 768px) {
  .nav-scroll, .header-tools .cmd-search { display: none; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .header-inner { grid-template-columns: minmax(0, 1fr) auto; }
  .section { padding: 58px 0; }
  .section-head.split, .board-top { flex-direction: column; align-items: flex-start; }
  .defs, .form-fields, .lane-row { grid-template-columns: 1fr; }
  .result { grid-template-columns: 1fr; }
  .mark { width: 100%; height: 42px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--max), calc(100% - 24px)) !important; }
  .section { padding: 46px 0; }
  .stat-grid { grid-template-columns: 1fr; }
  .brand-text small { max-width: 108px; }
  .header-tools .btn { display: none; }
  .news-item { flex-direction: column; align-items: stretch; }
  .thumb { width: 100%; height: 180px; }
  .legal { flex-direction: column; }
  .page-hero h1 { max-width: none; }
  .live-row { flex-direction: column; gap: 2px; }
  .live-row strong { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* roulang page: category3 */
:root {
 --ink: #10151f;
 --ink-2: #182132;
 --ink-3: #243044;
 --sand: #f3efe7;
 --sand-2: #e7e0d4;
 --paper: #fbf8f3;
 --copper: #c56a16;
 --copper-2: #e3a15a;
 --copper-deep: #8a4510;
 --pine: #1f6f62;
 --pine-2: #d7efe9;
 --text: #221c16;
 --muted: #655d53;
 --line: rgba(34, 28, 22, .12);
 --line-strong: rgba(34, 28, 22, .22);
 --white: #fffdf9;
 --danger: #a61b1b;
 --ok: #1d7a4a;
 --shadow: 0 18px 40px rgba(16, 21, 31, .12);
 --shadow-soft: 0 8px 24px rgba(16, 21, 31, .08);
 --radius: 18px;
 --radius-sm: 12px;
 --header: 76px;
 --max: 1180px;
 --font: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
}
/* roulang page: index */
:root {
 --ink: #10151f;
 --ink-2: #182132;
 --ink-3: #243044;
 --sand: #f3efe7;
 --sand-2: #e7e0d4;
 --paper: #fbf8f3;
 --copper: #c56a16;
 --copper-2: #e3a15a;
 --copper-deep: #8a4510;
 --pine: #1f6f62;
 --pine-2: #d7efe9;
 --text: #221c16;
 --muted: #655d53;
 --line: rgba(34, 28, 22, .12);
 --line-strong: rgba(34, 28, 22, .22);
 --white: #fffdf9;
 --danger: #a61b1b;
 --ok: #1d7a4a;
 --shadow: 0 18px 40px rgba(16, 21, 31, .12);
 --shadow-soft: 0 8px 24px rgba(16, 21, 31, .08);
 --radius: 18px;
 --radius-sm: 12px;
 --header: 76px;
 --max: 1180px;
 --font: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: var(--font);
 color: var(--text);
 background: var(--sand);
 line-height: 1.7;
 font-size: 16px;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky; top: 0; z-index: 50;
 height: var(--header);
 display: flex; align-items: center;
 background: rgba(16, 21, 31, .94);
 color: #f6f1e8;
 border-bottom: 1px solid rgba(255,255,255,.08);
 backdrop-filter: blur(16px);
}
.header-inner {
 width: min(1280px, calc(100% - 32px));
 margin: 0 auto;
 display: grid;
 grid-template-columns: auto minmax(0, 1fr) auto;
 gap: 18px;
 align-items: center;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
 width: 40px; height: 40px; border-radius: 12px;
 display: grid; place-items: center;
 background: linear-gradient(160deg, #e3a15a, #c56a16 55%, #8a4510);
 color: #1a120c; font-weight: 800; font-size: 20px;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 15px; font-weight: 800; letter-spacing: .02em; }
.brand-text small { color: #d9cbb8; font-size: 11px; font-weight: 600; }
.nav-scroll {
 display: flex; gap: 4px; align-items: center;
 overflow-x: auto; scrollbar-width: none; min-width: 0;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-link {
 flex: 0 0 auto;
 color: #d9d0c4;
 font-size: 13.5px;
 font-weight: 600;
 padding: 8px 10px;
 border-radius: 999px;
 border: 1px solid transparent;
 transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-link:focus-visible, .btn:focus-visible, .cmd-search input:focus-visible, .qa summary:focus-visible, .nav-toggle:focus-visible, .help-search input:focus-visible, .chip:focus-visible, .field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
 outline: 2px solid var(--copper-2); outline-offset: 2px;
}
.nav-link.is-active {
 color: #fff8ee;
 background: rgba(197, 106, 22, .22);
 border-color: rgba(227, 161, 90, .45);
}
.header-tools { display: flex; align-items: center; gap: 10px; }
.cmd-search {
 display: flex; align-items: center; gap: 8px;
 background: #0c111b;
 border: 1px solid rgba(255,255,255,.12);
 border-radius: 999px;
 padding: 6px 8px 6px 12px;
 min-width: 220px;
}
.cmd-search i { color: #c9bba8; font-size: 13px; }
.cmd-search input {
 width: 120px; flex: 1;
 background: transparent; border: 0; color: #fff; outline: none; font-size: 13px;
}
.cmd-search input::placeholder { color: #9c9082; }
.kbd {
 font-size: 11px; color: #c9bba8;
 border: 1px solid rgba(255,255,255,.16);
 border-radius: 6px; padding: 2px 6px; line-height: 1.4;
}
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 border-radius: 999px; border: 1px solid transparent;
 padding: 11px 16px; font-weight: 700; font-size: 14px;
 cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-copper { background: var(--copper); color: #1a120c; box-shadow: 0 8px 18px rgba(197,106,22,.28); }
.btn-copper:hover { background: #d77a22; }
.btn-ink { background: var(--ink); color: #f6f1e8; }
.btn-ink:hover { background: #1c2638; }
.btn-ghost {
 background: transparent; color: #f6f1e8;
 border-color: rgba(255,255,255,.28);
}
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-line {
 background: var(--white); color: var(--ink);
 border-color: var(--line-strong);
}
.btn-line:hover { border-color: var(--copper); color: var(--copper-deep); }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.nav-toggle {
 display: none; width: 42px; height: 42px; border-radius: 12px;
 border: 1px solid rgba(255,255,255,.16); background: #0c111b; color: #fff; cursor: pointer;
}
.drawer {
 display: none; position: fixed; inset: var(--header) 12px auto 12px; z-index: 49;
 background: #161d2c; color: #f6f1e8; border-radius: 18px;
 border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); padding: 14px;
}
body.nav-open .drawer { display: block; }
.drawer a {
 display: flex; justify-content: space-between; align-items: center;
 padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.06); font-weight: 650;
}
.drawer a.is-active { color: var(--copper-2); }
.drawer .cmd-search { margin-top: 12px; min-width: 0; width: 100%; }
.drawer-cta {
 margin-top: 12px; border-bottom: 0 !important;
 background: var(--copper); color: #1a120c !important;
 border-radius: 999px; justify-content: center !important; font-weight: 800;
}
main { display: block; }
.section { padding: 78px 0; position: relative; }
.section-sand { background: var(--sand); }
.section-paper { background: var(--paper); }
.section-dark { background: var(--ink); color: #f6f1e8; }
.section-ink2 { background: var(--ink-2); color: #f6f1e8; }
.section-dark .kicker, .section-ink2 .kicker { color: var(--copper-2); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2, .panel-title { font-size: clamp(28px, 3vw, 40px); line-height: 1.2; letter-spacing: -.02em; font-weight: 800; margin: 8px 0 12px; }
.lead { color: var(--muted); font-size: 16.5px; max-width: 68ch; }
.section-dark .lead, .section-ink2 .lead { color: #d9d0c4; }
.kicker { color: var(--copper-deep); font-size: 13px; font-weight: 700; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.mt-2 { margin-top: 8px; }
.site-footer {
 background: var(--ink);
 color: #d9d0c4;
 padding: 56px 0 22px;
 border-top: 1px solid rgba(255,255,255,.06);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 28px; }
.footer-brand { font-weight: 800; color: #fff8ee; font-size: 18px; }
.site-footer strong { color: #fff; display: block; }
.site-footer a { color: #e6dccf; }
.site-footer a:hover { color: var(--copper-2); }
.site-footer li + li { margin-top: 6px; }
.legal {
 display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
 margin-top: 28px; padding-top: 16px;
 border-top: 1px solid rgba(255,255,255,.08);
 color: #b7ab9c; font-size: 13px;
}
.help-hero {
 background:
  linear-gradient(180deg, rgba(10,14,22,.84) 0%, rgba(10,14,22,.68) 48%, rgba(10,14,22,.88) 100%),
  url("/assets/images/a7fb2ea3db7224ca.webp") center/cover no-repeat;
 color: #f7f2ea;
 padding: 64px 0 92px;
 text-align: center;
}
.crumb { display: flex; justify-content: center; gap: 8px; color: #d9cbb8; font-size: 13px; font-weight: 600; }
.crumb a:hover { color: #fff; }
.help-hero h1 {
 font-size: clamp(34px, 5vw, 56px);
 font-weight: 800;
 line-height: 1.12;
 letter-spacing: -.03em;
 max-width: 16em;
 margin: 12px auto 0;
 text-wrap: balance;
}
.help-hero .hero-copy { max-width: 68ch; margin: 16px auto 0; color: #e6dccf; font-size: 17px; }
.help-search {
 margin: 22px auto 0;
 max-width: 680px;
 display: flex;
 align-items: center;
 gap: 10px;
 background: var(--white);
 color: var(--text);
 border-radius: 999px;
 padding: 8px 8px 8px 18px;
 box-shadow: var(--shadow);
 text-align: left;
 border: 1px solid rgba(255,255,255,.2);
}
.help-search i { color: var(--copper-deep); }
.help-search input {
 flex: 1; min-width: 0; border: 0; background: transparent;
 font-size: 16px; color: var(--text); outline: none;
}
.help-search input::placeholder { color: #8a7f72; }
.search-status { margin: 14px auto 0; color: #e6dccf; font-size: 14px; min-height: 1.4em; }
.chip-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; }
.chip {
 display: inline-flex; align-items: center; gap: 8px;
 padding: 8px 12px; border-radius: 999px;
 background: rgba(255,255,255,.08);
 border: 1px solid rgba(255,255,255,.16);
 color: #f6f1e8; font-size: 13px; font-weight: 650;
 transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.chip:hover { background: rgba(197,106,22,.32); border-color: rgba(227,161,90,.65); transform: translateY(-1px); }
.section-metrics { padding-top: 0; background: linear-gradient(180deg, rgba(10,14,22,.88) 0 42px, var(--paper) 42px); }
.metric-panel {
 margin-top: -46px;
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 display: grid;
 grid-template-columns: 1.15fr repeat(4, 1fr);
 overflow: hidden;
}
.metric-intro { padding: 22px 22px 18px; background: #fffaf3; border-right: 1px solid var(--line); }
.metric-intro h2 { font-size: 26px; margin: 6px 0 8px; }
.metric-item { padding: 20px 16px; border-left: 1px solid var(--line); }
.metric-item:first-of-type { border-left: 0; }
.metric-item strong { display: block; font-size: clamp(28px, 3vw, 36px); line-height: 1; color: var(--ink); letter-spacing: -.03em; }
.metric-item span { display: block; margin-top: 8px; color: var(--muted); font-size: 13.5px; font-weight: 600; }
.metric-note {
 margin-top: 16px; color: var(--muted); font-size: 14.5px;
 display: flex; gap: 10px; align-items: flex-start;
}
.matrix-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: stretch; }
.shot {
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-soft);
 overflow: hidden;
}
.shot img { width: 100%; height: 280px; object-fit: cover; }
.shot figcaption, .shot-body { padding: 18px 20px 22px; }
.shot h2 { font-size: clamp(28px, 3vw, 36px); line-height: 1.2; margin: 6px 0 10px; }
.slot-stack { display: flex; flex-direction: column; gap: 12px; }
.slot-row {
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: var(--radius-sm);
 padding: 16px 16px 14px;
 box-shadow: var(--shadow-soft);
 transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.slot-row:hover { transform: translateY(-2px); border-color: rgba(197,106,22,.45); box-shadow: var(--shadow); }
.slot-row header { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.slot-row h3 { font-size: 17px; line-height: 1.3; }
.slot-row p { color: var(--muted); margin-top: 8px; font-size: 14.5px; }
.badge {
 display: inline-flex; align-items: center; gap: 6px;
 padding: 4px 8px; border-radius: 999px;
 background: var(--pine-2); color: var(--pine);
 font-size: 12px; font-weight: 800; white-space: nowrap;
}
.badge-copper { background: #f6e2cf; color: var(--copper-deep); }
.badge-ink { background: rgba(255,255,255,.08); color: #f3e6d4; }
.compare-grid { display: grid; grid-template-columns: 1fr 1.08fr; gap: 18px; }
.compare-card {
 border-radius: var(--radius);
 padding: 26px 24px;
 border: 1px solid var(--line);
 background: var(--white);
 box-shadow: var(--shadow-soft);
}
.compare-card.priority {
 background: var(--ink);
 color: #f6f1e8;
 border-color: transparent;
 box-shadow: var(--shadow);
}
.compare-card h2, .compare-card h3 { font-size: 28px; line-height: 1.2; margin: 8px 0 8px; }
.compare-card .lead { margin-bottom: 14px; }
.compare-card li {
 display: flex; gap: 10px; align-items: flex-start;
 padding: 10px 0;
 border-top: 1px solid var(--line);
}
.compare-card.priority li { border-top-color: rgba(255,255,255,.1); }
.compare-card i { margin-top: 4px; color: var(--copper); }
.log-strip {
 margin-top: 18px;
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 12px;
}
.log-strip article {
 background: #fffaf3;
 border: 1px dashed var(--line-strong);
 border-radius: var(--radius-sm);
 padding: 14px 16px;
}
.log-strip strong { display: block; font-size: 14px; }
.log-strip p { color: var(--muted); font-size: 14.5px; margin-top: 4px; }
.steps {
 display: grid;
 grid-template-columns: repeat(6, 1fr);
 gap: 14px;
 position: relative;
}
.steps::before {
 content: "";
 position: absolute;
 left: 8px; right: 8px; top: 18px;
 height: 2px;
 background: rgba(227,161,90,.35);
}
.step { position: relative; padding-top: 4px; }
.step-mark {
 width: 14px; height: 14px; border-radius: 50%;
 background: var(--copper-2);
 box-shadow: 0 0 0 5px rgba(197,106,22,.22);
 margin: 12px 0 16px;
 position: relative; z-index: 1;
}
.step time { display: block; color: var(--copper-2); font-weight: 800; font-size: 14px; }
.step h3 { font-size: 16px; margin: 6px 0; line-height: 1.35; }
.step p { color: #d9d0c4; font-size: 14px; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-row {
 display: grid;
 grid-template-columns: 188px 1fr auto;
 gap: 18px;
 align-items: center;
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 12px;
 box-shadow: var(--shadow-soft);
 transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.news-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: rgba(197,106,22,.35); }
.news-thumb { height: 118px; border-radius: 14px; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-row h3 { font-size: 20px; line-height: 1.3; margin: 6px 0; }
.news-row p { color: var(--muted); }
.news-side { text-align: right; color: var(--muted); font-size: 13px; font-weight: 700; min-width: 92px; }
.assure-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; }
.assure-list { display: grid; gap: 12px; margin-top: 18px; }
.assure-list li {
 display: grid;
 grid-template-columns: 42px 1fr;
 gap: 12px;
 align-items: start;
 background: rgba(255,255,255,.04);
 border: 1px solid rgba(255,255,255,.08);
 border-radius: 14px;
 padding: 12px;
}
.assure-list i {
 width: 42px; height: 42px; border-radius: 12px;
 display: grid; place-items: center;
 background: rgba(197,106,22,.18); color: var(--copper-2);
}
.assure-list strong { display: block; }
.assure-list span { color: #d9d0c4; font-size: 14.5px; }
.assure-photo {
 border-radius: var(--radius);
 overflow: hidden;
 min-height: 320px;
 position: relative;
 box-shadow: var(--shadow);
}
.assure-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.assure-photo figcaption {
 position: absolute; left: 14px; right: 14px; bottom: 14px;
 background: rgba(16,21,31,.82);
 color: #f6f1e8;
 border-radius: 12px;
 padding: 10px 12px;
 font-size: 14px;
}
.faq-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 32px; align-items: start; }
.qa {
 border: 1px solid var(--line);
 border-radius: 14px;
 background: var(--white);
 margin-bottom: 10px;
 box-shadow: var(--shadow-soft);
}
.qa summary {
 cursor: pointer;
 padding: 16px 18px;
 font-weight: 750;
 list-style: none;
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: center;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--copper-deep); }
.qa summary i { color: var(--copper); transition: transform .18s ease; }
.qa[open] { border-color: rgba(197,106,22,.45); }
.qa[open] summary i { transform: rotate(45deg); }
.qa p { padding: 0 18px 16px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.check-list { display: grid; gap: 10px; margin-top: 16px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; }
.check-list i { color: var(--pine); margin-top: 4px; }
.form-card {
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field span { font-weight: 700; font-size: 14px; }
.field input, .field select, .field textarea {
 border: 1px solid var(--line-strong);
 border-radius: 12px;
 padding: 12px 14px;
 background: var(--paper);
 color: var(--text);
 font-size: 15px;
 width: 100%;
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
 border-color: var(--copper);
 background: #fff;
}
.form-note { min-height: 1.5em; margin-top: 10px; font-weight: 700; color: var(--pine); }
.form-note.is-warn { color: var(--danger); }
.is-hit { outline: 2px solid var(--copper); outline-offset: 3px; }
.two-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 1024px) {
 .nav-scroll { display: none; }
 .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
 .header-inner { grid-template-columns: auto 1fr; }
 .header-tools { justify-content: flex-end; }
 .cmd-search { min-width: 160px; }
 .metric-panel, .matrix-grid, .compare-grid, .assure-grid, .faq-grid, .form-grid { grid-template-columns: 1fr; }
 .metric-intro { border-right: 0; border-bottom: 1px solid var(--line); }
 .metric-panel { grid-template-columns: 1fr 1fr; }
 .metric-intro { grid-column: 1 / -1; }
 .steps { grid-template-columns: repeat(3, 1fr); }
 .steps::before { display: none; }
 .news-row { grid-template-columns: 150px 1fr; }
 .news-side { display: none; }
 .section { padding: 64px 0; }
}
@media (max-width: 768px) {
 .footer-grid, .log-strip, .two-fields { grid-template-columns: 1fr; }
 .help-hero { padding: 42px 0 78px; }
 .help-hero h1 { font-size: 34px; }
 .cmd-search .kbd { display: none; }
 .news-row { grid-template-columns: 1fr; }
 .news-thumb { height: 180px; }
 .shot img { height: 210px; }
 .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 .cmd-search { display: none; }
 .brand-text small { display: none; }
 .header-tools .btn-sm { display: none; }
 .metric-panel, .steps { grid-template-columns: 1fr; }
 .metric-item { border-left: 0; border-top: 1px solid var(--line); }
 .help-search { border-radius: 16px; padding: 10px; flex-wrap: wrap; }
 .help-search .btn { width: 100%; }
 .legal { flex-direction: column; }
 .section { padding: 52px 0; }
 .chip-row { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 .btn, .nav-link, .chip, .news-row, .slot-row { transition: none; }
}

/* roulang page: category4 */
:root {
 --ink: #10151f;
 --ink-2: #182132;
 --ink-3: #243044;
 --sand: #f3efe7;
 --sand-2: #e7e0d4;
 --paper: #fbf8f3;
 --copper: #c56a16;
 --copper-2: #e3a15a;
 --copper-deep: #8a4510;
 --pine: #1f6f62;
 --pine-2: #d7efe9;
 --text: #221c16;
 --muted: #655d53;
 --line: rgba(34, 28, 22, .12);
 --line-strong: rgba(34, 28, 22, .22);
 --white: #fffdf9;
 --danger: #a61b1b;
 --ok: #1d7a4a;
 --shadow: 0 18px 40px rgba(16, 21, 31, .12);
 --shadow-soft: 0 8px 24px rgba(16, 21, 31, .08);
 --radius: 18px;
 --radius-sm: 12px;
 --header: 76px;
 --max: 1180px;
 --font: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
}
/* roulang page: bao-mat */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: var(--font);
 color: var(--text);
 background: var(--sand);
 line-height: 1.7;
 font-size: 16px;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 12px; }
h1, h2, h3, h4 { margin: 0; line-height: 1.22; font-weight: 800; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky; top: 0; z-index: 50;
 height: var(--header);
 display: flex; align-items: center;
 background: rgba(16, 21, 31, .94);
 color: #f6f1e8;
 border-bottom: 1px solid rgba(255,255,255,.08);
 backdrop-filter: blur(16px);
}
.header-inner {
 width: min(1280px, calc(100% - 32px));
 margin: 0 auto;
 display: grid;
 grid-template-columns: auto minmax(0, 1fr) auto;
 gap: 18px;
 align-items: center;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
 width: 40px; height: 40px; border-radius: 12px;
 display: grid; place-items: center;
 background: linear-gradient(160deg, #e3a15a, #c56a16 55%, #8a4510);
 color: #1a120c; font-weight: 800; font-size: 20px;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 15px; font-weight: 800; letter-spacing: .02em; }
.brand-text small { color: #d9cbb8; font-size: 11px; font-weight: 600; }
.nav-scroll {
 display: flex; gap: 4px; align-items: center;
 overflow-x: auto; scrollbar-width: none; min-width: 0;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-link {
 flex: 0 0 auto;
 color: #d9d0c4;
 font-size: 13.5px;
 font-weight: 600;
 padding: 8px 10px;
 border-radius: 999px;
 border: 1px solid transparent;
 transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-link:focus-visible, .btn:focus-visible, .cmd-search input:focus-visible, .qa summary:focus-visible, .nav-toggle:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--copper-2); outline-offset: 2px;
}
.nav-link.is-active {
 color: #fff8ee;
 background: rgba(197, 106, 22, .22);
 border-color: rgba(227, 161, 90, .45);
}
.header-tools { display: flex; align-items: center; gap: 10px; }
.cmd-search {
 display: flex; align-items: center; gap: 8px;
 background: #0c111b;
 border: 1px solid rgba(255,255,255,.12);
 border-radius: 999px;
 padding: 6px 8px 6px 12px;
 min-width: 220px;
}
.cmd-search i { color: #c9bba8; font-size: 13px; }
.cmd-search input {
 width: 120px; flex: 1;
 background: transparent; border: 0; color: #fff; outline: none; font-size: 13px;
}
.cmd-search input::placeholder { color: #9c9082; }
.kbd {
 font-size: 11px; color: #c9bba8; border: 1px solid rgba(255,255,255,.16);
 border-radius: 6px; padding: 2px 6px; letter-spacing: .02em;
}
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 border-radius: 999px; border: 1px solid transparent;
 padding: 11px 16px; font-weight: 700; font-size: 14px;
 cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-copper { background: var(--copper); color: #1a120c; box-shadow: 0 8px 18px rgba(197,106,22,.28); }
.btn-copper:hover { background: #d77a22; }
.btn-ink { background: var(--ink); color: #f6f1e8; }
.btn-ink:hover { background: #1c2638; }
.btn-ghost {
 background: transparent; color: #f6f1e8;
 border-color: rgba(255,255,255,.28);
}
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-line {
 background: var(--white); color: var(--ink);
 border-color: var(--line-strong);
}
.btn-line:hover { border-color: var(--copper); color: var(--copper-deep); }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.nav-toggle {
 display: none; width: 42px; height: 42px; border-radius: 12px;
 border: 1px solid rgba(255,255,255,.16); background: #0c111b; color: #fff; cursor: pointer;
}
.nav-toggle:hover { border-color: var(--copper-2); color: var(--copper-2); }
.nav-toggle:active { transform: translateY(1px); }
.drawer {
 display: none; position: fixed; inset: var(--header) 12px auto 12px; z-index: 49;
 background: #161d2c; color: #f6f1e8; border-radius: 18px;
 border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); padding: 14px;
}
body.nav-open { overflow: hidden; }
body.nav-open .drawer { display: block; }
.drawer a {
 display: flex; justify-content: space-between; align-items: center;
 padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.06); font-weight: 650;
}
.drawer a:hover { color: #fff; }
.drawer a.is-active { color: var(--copper-2); }
.drawer .cmd-search { margin-top: 12px; min-width: 0; width: 100%; }
main { display: block; }
.section { padding: 78px 0; position: relative; }
.section-sand { background: var(--sand); }
.section-paper { background: var(--paper); }
.section-dark { background: var(--ink); color: #f6f1e8; }
.section-ink2 { background: var(--ink-2); color: #f6f1e8; }
.section-dark .kicker, .section-ink2 .kicker { color: var(--copper-2); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2, .block-title { font-size: clamp(28px, 3vw, 40px); margin: 8px 0 12px; }
.lead { color: var(--muted); font-size: 16.5px; max-width: 68ch; }
.section-dark .lead, .section-ink2 .lead, .hero .lead { color: #d9d0c4; }
.kicker {
 display: inline-flex; align-items: center; gap: 8px;
 color: var(--copper-deep); font-weight: 700; font-size: 12px;
 letter-spacing: .08em; text-transform: uppercase;
}
.hero-bao {
 color: #f7f2ea;
 padding: 42px 0 52px;
 background:
  linear-gradient(115deg, rgba(10,14,22,.92) 0%, rgba(10,14,22,.78) 48%, rgba(10,14,22,.66) 100%),
  url("/assets/images/d7dc88eebb28f4e1.webp") center/cover no-repeat;
}
.crumb { color: #d9cbb8; font-size: 13px; margin-bottom: 18px; display: flex; gap: 8px; align-items: center; }
.crumb a { color: #f3e2cc; border-bottom: 1px solid transparent; }
.crumb a:hover { border-bottom-color: var(--copper-2); color: #fff; }
.hero-top { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, .7fr); gap: 28px; align-items: end; margin-bottom: 26px; }
.hero-bao h1 { font-size: clamp(32px, 4.2vw, 52px); max-width: 16ch; font-weight: 800; letter-spacing: -0.03em; }
.hero-copy { max-width: 62ch; color: #e6dccf; margin: 14px 0 18px; font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.glass {
 background: rgba(255,255,255,.06);
 border: 1px solid rgba(255,255,255,.14);
 border-radius: var(--radius);
 padding: 16px 16px 8px;
 backdrop-filter: blur(10px);
 box-shadow: var(--shadow-soft);
}
.glass li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 14px; }
.glass li:last-child { border-bottom: 0; }
.glass span { color: #cbbba8; }
.glass strong { color: #fff; font-weight: 700; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pane {
 border-radius: 22px; overflow: hidden; min-height: 100%;
 border: 1px solid rgba(255,255,255,.12);
 background: rgba(8,12,20,.55);
}
.pane img { width: 100%; height: 168px; object-fit: cover; }
.pane-body { padding: 16px 16px 18px; }
.pane h2 { font-size: 22px; margin: 8px 0 8px; }
.pane p { color: #e5d9cb; font-size: 14.5px; }
.pane ul li { display: flex; gap: 8px; align-items: flex-start; padding: 6px 0; color: #f6f1e8; font-size: 14.5px; }
.badge {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 800;
 letter-spacing: .04em; text-transform: uppercase;
}
.badge-bad { background: rgba(166,27,27,.18); color: #ffb4b0; border: 1px solid rgba(255,160,150,.35); }
.badge-ok { background: rgba(31,111,98,.22); color: #b7efe4; border: 1px solid rgba(183,239,228,.35); }
.badge-copper { background: rgba(197,106,22,.16); color: var(--copper-deep); border: 1px solid rgba(197,106,22,.28); }
.badge-pine { background: var(--pine-2); color: var(--pine); }
.stat-rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat {
 background: #121a2a; border: 1px solid rgba(255,255,255,.08);
 border-radius: var(--radius); padding: 18px 16px 16px;
 box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}
.stat b { display: block; font-size: clamp(28px, 3vw, 40px); color: var(--copper-2); letter-spacing: -0.03em; line-height: 1; }
.stat span { display: block; margin-top: 8px; color: #d9d0c4; font-weight: 650; }
.stat small { display: block; color: #9c9082; margin-top: 4px; }
.stat:hover { border-color: rgba(227,161,90,.45); transform: translateY(-2px); transition: .18s ease; }
.split { display: grid; grid-template-columns: .78fr 1.22fr; gap: 28px; align-items: start; }
.matrix { display: flex; flex-direction: column; gap: 10px; }
.row-line {
 display: grid; grid-template-columns: 92px 1fr auto; gap: 14px; align-items: center;
 background: var(--white); border: 1px solid var(--line); border-radius: 16px;
 padding: 14px 14px; box-shadow: var(--shadow-soft);
 transition: border-color .18s ease, transform .18s ease;
}
.row-line:hover { border-color: rgba(197,106,22,.45); transform: translateX(3px); }
.row-line strong { display: block; font-size: 16px; }
.row-line p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.code {
 font-variant-numeric: tabular-nums; font-weight: 800; color: var(--copper-deep);
 background: #f6eadc; border-radius: 10px; text-align: center; padding: 8px 0;
}
.compare { display: grid; grid-template-columns: 1.05fr .95fr; gap: 18px; align-items: stretch; }
.shot-card {
 background: var(--white); border-radius: 22px; overflow: hidden;
 border: 1px solid var(--line); box-shadow: var(--shadow);
}
.shot-card img { width: 100%; height: 240px; object-fit: cover; }
.shot-card .pad { padding: 18px; }
.shot-card h3 { font-size: 22px; margin-bottom: 8px; }
.delta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.delta div { background: var(--sand); border-radius: 14px; padding: 12px; }
.delta b { display: block; font-size: 20px; color: var(--ink); }
.delta span { color: var(--muted); font-size: 13px; }
.ticks li { display: flex; gap: 8px; align-items: flex-start; padding: 6px 0; }
.ticks i { color: var(--pine); margin-top: 4px; }
.ticks .bad i { color: var(--danger); }
.time-list { position: relative; margin-left: 8px; }
.time-list::before {
 content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px;
 background: linear-gradient(var(--copper), rgba(197,106,22,.15));
}
.time-item { position: relative; padding: 0 0 22px 36px; display: grid; grid-template-columns: 92px 1fr; gap: 16px; }
.time-item::before {
 content: ""; position: absolute; left: 1px; top: 6px; width: 14px; height: 14px; border-radius: 50%;
 background: var(--copper); box-shadow: 0 0 0 4px rgba(197,106,22,.18);
}
.when { font-weight: 800; color: var(--copper-deep); }
.time-item h3 { font-size: 18px; margin-bottom: 4px; }
.time-item p { margin: 0; color: var(--muted); }
.news-wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.feature {
 display: grid; grid-template-rows: 250px 1fr; background: var(--white);
 border-radius: 22px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow);
}
.feature img, .side-item img { width: 100%; height: 100%; object-fit: cover; }
.feature .pad, .side-item .txt { padding: 16px 16px 18px; }
.feature h3 { font-size: 26px; margin: 8px 0; }
.side-list { display: flex; flex-direction: column; gap: 10px; }
.side-item {
 display: grid; grid-template-columns: 112px 1fr; gap: 12px; align-items: center;
 background: var(--white); border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
 transition: transform .18s ease, box-shadow .18s ease;
}
.side-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.side-item img { height: 92px; }
.side-item h3 { font-size: 16px; margin-bottom: 4px; }
.side-item p { margin: 0; color: var(--muted); font-size: 13.5px; }
.assure { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: center; }
.assure-photo { border-radius: 22px; overflow: hidden; min-height: 280px; position: relative; border: 1px solid rgba(255,255,255,.08); }
.assure-photo img { width: 100%; height: 100%; min-height: 280px; object-fit: cover; }
.assure-photo figcaption {
 position: absolute; left: 12px; right: 12px; bottom: 12px;
 background: rgba(12,17,27,.82); color: #f6f1e8; border-radius: 12px; padding: 10px 12px; font-size: 14px;
}
.pledge { display: grid; gap: 10px; }
.pledge li { display: grid; grid-template-columns: 36px 1fr; gap: 10px; align-items: start; }
.pledge i {
 width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center;
 background: rgba(227,161,90,.16); color: var(--copper-2);
}
.define-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; }
.define {
 padding: 16px 16px 14px 16px; border-left: 3px solid var(--copper);
 background: transparent;
}
.define h3 { font-size: 18px; margin-bottom: 6px; }
.define p { margin: 0; color: var(--muted); }
.faq-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 22px; align-items: start; }
.qa {
 background: var(--white); border: 1px solid var(--line); border-radius: 16px;
 margin-bottom: 10px; box-shadow: var(--shadow-soft);
}
.qa summary {
 cursor: pointer; list-style: none; padding: 14px 16px; font-weight: 750;
 display: flex; justify-content: space-between; gap: 12px; align-items: center;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--copper-deep); }
.qa summary:after { content: "+"; font-weight: 800; color: var(--copper); font-size: 20px; }
.qa[open] summary:after { content: "–"; }
.qa[open] { border-color: rgba(197,106,22,.4); }
.qa p { padding: 0 16px 14px; margin: 0; color: var(--muted); }
.side-note {
 background: var(--ink); color: #f6f1e8; border-radius: 22px; padding: 22px;
 box-shadow: var(--shadow);
}
.side-note p { color: #d9d0c4; }
.form-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 26px; align-items: start; }
form.ticket {
 background: #121a2a; border: 1px solid rgba(255,255,255,.08);
 border-radius: 22px; padding: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field.wide { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 700; color: #f0e6da; }
.field input, .field select, .field textarea {
 background: #0c111b; color: #fff; border: 1px solid rgba(255,255,255,.12);
 border-radius: 12px; padding: 12px 12px; font-size: 15px;
}
.field input:hover, .field select:hover, .field textarea:hover { border-color: rgba(227,161,90,.55); }
.field textarea { min-height: 120px; resize: vertical; }
.check { display: flex; gap: 8px; align-items: flex-start; color: #d9d0c4; font-size: 14px; }
.check input { margin-top: 4px; accent-color: var(--copper); }
.done {
 grid-column: 1 / -1; background: rgba(31,111,98,.18); color: #d7efe9;
 border: 1px solid rgba(183,239,228,.3); border-radius: 12px; padding: 12px 14px;
}
.site-footer { background: #0c111b; color: #d9d0c4; padding: 48px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .9fr; gap: 28px; }
.footer-brand { font-weight: 800; color: #fff; font-size: 18px; margin: 0; }
.site-footer strong { color: #fff; }
.site-footer a { color: #d9d0c4; }
.site-footer a:hover { color: var(--copper-2); }
.site-footer li { margin: 6px 0; }
.legal {
 display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
 border-top: 1px solid rgba(255,255,255,.08); margin-top: 28px; padding-top: 16px;
 color: #9c9082; font-size: 13px;
}
.mt-2 { margin-top: 8px; }
@media (max-width: 1024px) {
 .header-inner { gap: 10px; }
 .cmd-search { min-width: 0; }
 .cmd-search input { width: 72px; }
 .kbd { display: none; }
 .hero-top, .split, .compare, .news-wrap, .assure, .faq-grid, .form-grid { grid-template-columns: 1fr; }
 .stat-rail { grid-template-columns: 1fr 1fr; }
 .time-item { grid-template-columns: 72px 1fr; }
}
@media (max-width: 768px) {
 .nav-scroll { display: none; }
 .nav-toggle { display: inline-grid; place-items: center; }
 .header-inner { grid-template-columns: 1fr auto; }
 .header-tools .cmd-search { display: none; }
 .pair, .define-grid, .footer-grid, form.ticket { grid-template-columns: 1fr; }
 .section { padding: 56px 0; }
 .hero-bao h1 { max-width: none; }
 .row-line { grid-template-columns: 72px 1fr; }
 .row-line .badge { display: none; }
 .side-item { grid-template-columns: 96px 1fr; }
 .legal { flex-direction: column; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 .brand-text small { display: none; }
 .header-tools .btn-sm span { display: none; }
 .stat-rail, .delta { grid-template-columns: 1fr; }
 .hero-actions .btn, form.ticket .btn { width: 100%; }
 .time-item { grid-template-columns: 1fr; gap: 4px; }
 .feature { grid-template-rows: 190px auto; }
 .pane img, .shot-card img { height: 150px; }
}

/* roulang page: category5 */
:root {
  --ink: #10151f;
  --ink-2: #182132;
  --ink-3: #243044;
  --sand: #f3efe7;
  --sand-2: #e7e0d4;
  --paper: #fbf8f3;
  --copper: #c56a16;
  --copper-2: #e3a15a;
  --copper-deep: #8a4510;
  --pine: #1f6f62;
  --pine-2: #d7efe9;
  --text: #221c16;
  --muted: #655d53;
  --line: rgba(34, 28, 22, .12);
  --line-strong: rgba(34, 28, 22, .22);
  --white: #fffdf9;
  --danger: #a61b1b;
  --ok: #1d7a4a;
  --shadow: 0 18px 40px rgba(16, 21, 31, .12);
  --shadow-soft: 0 8px 24px rgba(16, 21, 31, .08);
  --radius: 18px;
  --radius-sm: 12px;
  --header: 76px;
  --max: 1180px;
  --font: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
}
/* roulang page: category5 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--sand);
  line-height: 1.7;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
[hidden] { display: none !important; }
::selection { background: #f0c48a; color: #1a120c; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.mt-2 { margin-top: .5rem; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header);
  display: flex; align-items: center;
  background: rgba(16, 21, 31, .94);
  color: #f6f1e8;
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(16px);
}
.header-inner {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #e3a15a, #c56a16 55%, #8a4510);
  color: #1a120c; font-weight: 800; font-size: 20px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 15px; font-weight: 800; letter-spacing: .02em; }
.brand-text small { color: #d9cbb8; font-size: 11px; font-weight: 600; }
.nav-scroll {
  display: flex; gap: 4px; align-items: center;
  overflow-x: auto; scrollbar-width: none; min-width: 0;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-link {
  flex: 0 0 auto;
  color: #d9d0c4;
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-link:focus-visible, .btn:focus-visible, .cmd-search input:focus-visible, .qa summary:focus-visible, .nav-toggle:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--copper-2); outline-offset: 2px;
}
.nav-link.is-active {
  color: #fff8ee;
  background: rgba(197, 106, 22, .22);
  border-color: rgba(227, 161, 90, .45);
}
.header-tools { display: flex; align-items: center; gap: 10px; }
.cmd-search {
  display: flex; align-items: center; gap: 8px;
  background: #0c111b;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 6px 8px 6px 12px;
  min-width: 220px;
}
.cmd-search i { color: #c9bba8; font-size: 13px; }
.cmd-search input {
  width: 120px; flex: 1;
  background: transparent; border: 0; color: #fff; outline: none; font-size: 13px;
}
.cmd-search input::placeholder { color: #9c9082; }
.kbd {
  font-size: 11px; color: #cbbba6;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 6px; padding: 2px 6px; white-space: nowrap;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; border: 1px solid transparent;
  padding: 11px 16px; font-weight: 700; font-size: 14px;
  cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-copper { background: var(--copper); color: #1a120c; box-shadow: 0 8px 18px rgba(197,106,22,.28); }
.btn-copper:hover { background: #d77a22; }
.btn-ink { background: var(--ink); color: #f6f1e8; }
.btn-ink:hover { background: #1c2638; }
.btn-ghost { background: transparent; color: #f6f1e8; border-color: rgba(255,255,255,.28); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-line { background: var(--white); color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover { border-color: var(--copper); color: var(--copper-deep); }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid rgba(255,255,255,.16); background: #0c111b; color: #fff; cursor: pointer;
  place-items: center;
}
.drawer {
  display: none; position: fixed; inset: var(--header) 12px auto 12px; z-index: 49;
  background: #161d2c; color: #f6f1e8; border-radius: 18px;
  border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); padding: 14px;
}
body.nav-open .drawer { display: block; }
.drawer a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.06); font-weight: 650;
}
.drawer a.is-active { color: var(--copper-2); }
.drawer a.btn { display: inline-flex; width: 100%; margin-top: 12px; border-bottom: 0; justify-content: center; }
.drawer .cmd-search { margin-top: 12px; min-width: 0; width: 100%; }
main { display: block; }
.section { padding: 78px 0; position: relative; }
.section-sand { background: var(--sand); }
.section-paper { background: var(--paper); }
.section-dark { background: var(--ink); color: #f6f1e8; }
.section-ink2 { background: var(--ink-2); color: #f6f1e8; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--copper-deep); font-size: 12px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
}
.section-dark .kicker, .section-ink2 .kicker, .split-hero .kicker { color: var(--copper-2); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2, .head-row h2 { font-size: clamp(28px, 3vw, 40px); margin: 8px 0 12px; line-height: 1.18; letter-spacing: -.02em; }
.lead { color: var(--muted); font-size: 16.5px; max-width: 68ch; }
.section-dark .lead, .section-ink2 .lead, .split-hero .lead { color: #d9d0c4; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.02em; }
.hero-actions, .split-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 4px 10px;
  font-size: 12px; font-weight: 700; border: 1px solid transparent;
}
.pill-ok { background: var(--pine-2); color: #0f4d43; }
.pill-wait { background: #f3e2cf; color: var(--copper-deep); }
.pill-hot { background: #f8d7d4; color: var(--danger); }
.pill-ink { background: rgba(255,255,255,.08); color: #f6f1e8; border-color: rgba(255,255,255,.12); }
.pulse {
  width: 8px; height: 8px; border-radius: 50%; background: #3dbe86;
  box-shadow: 0 0 0 0 rgba(61,190,134,.7); animation: pulse 1.8s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 8px rgba(61,190,134,0); }
}
.split-hero {
  background:
    linear-gradient(180deg, rgba(10,14,22,.9) 0%, rgba(10,14,22,.74) 46%, rgba(10,14,22,.92) 100%),
    url('/assets/images/772addeabb0e528d.webp') center/cover no-repeat;
  color: #f7f2ea;
  padding: 42px 0 64px;
}
.crumb { display: flex; gap: 8px; align-items: center; color: #cbbba6; font-size: 13px; font-weight: 600; margin-bottom: 18px; }
.crumb a:hover { color: #fff; }
.split-copy { max-width: 760px; }
.split-hero h1 { font-size: clamp(34px, 4.6vw, 56px); max-width: 16ch; font-weight: 800; margin: 10px 0 14px; }
.split-hero .lead { margin-bottom: 22px; font-size: 17px; }
.ba-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; align-items: stretch; margin-top: 34px; }
.ba-card {
  border-radius: 22px; padding: 22px;
  min-height: 100%;
}
.ba-before {
  background: rgba(255,255,255,.05);
  border: 1px dashed rgba(255,255,255,.22);
  color: #e7dccf;
}
.ba-after {
  background: var(--white);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.4);
  box-shadow: var(--shadow);
}
.ba-card h2 { font-size: 22px; margin: 12px 0; }
.ba-before h2 { color: #f6f1e8; }
.ba-list { display: grid; gap: 10px; margin-top: 8px; }
.ba-list li { display: flex; gap: 10px; align-items: flex-start; font-weight: 600; }
.ba-before .ba-list i { color: #e7a0a0; margin-top: 4px; }
.ba-after .ba-list i { color: var(--ok); margin-top: 4px; }
.ba-mid {
  align-self: center; width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center; background: var(--copper); color: #1a120c; font-weight: 800;
  box-shadow: 0 10px 24px rgba(197,106,22,.35);
}
.ba-photo { margin-top: 16px; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); }
.ba-photo img { width: 100%; height: 168px; object-fit: cover; }
.metric-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--ink); color: #f6f1e8; border-radius: 22px;
  overflow: hidden; box-shadow: var(--shadow);
}
.metric { padding: 22px 20px; border-right: 1px solid rgba(255,255,255,.08); }
.metric:last-child { border-right: 0; }
.metric span { display: block; color: #cbbba6; font-size: 13px; font-weight: 600; }
.metric strong { display: block; margin: 6px 0 4px; font-size: 34px; font-weight: 800; color: var(--copper-2); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.metric em { font-style: normal; color: #d9d0c4; font-size: 13.5px; }
.metric-note { margin-top: 14px; color: var(--muted); font-size: 14px; }
.head-row {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px;
  align-items: end; margin-bottom: 28px;
}
.matrix { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
.feature-card, .stack-card, .panel, .news-row, .qa, .form-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-soft);
}
.feature-card { overflow: hidden; display: grid; grid-template-rows: 230px 1fr; }
.feature-card img { width: 100%; height: 230px; object-fit: cover; }
.feature-body { padding: 22px; }
.feature-body h3 { font-size: 26px; margin: 10px 0; }
.stack { display: grid; gap: 10px; }
.stack-card {
  display: grid; grid-template-columns: 46px 1fr auto; gap: 12px; align-items: center;
  padding: 14px; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.stack-card:hover { transform: translateY(-2px); border-color: rgba(197,106,22,.45); box-shadow: var(--shadow); }
.icon-box {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: #f6ecdf; color: var(--copper-deep); font-size: 16px;
}
.stack-card h3 { font-size: 16px; }
.stack-card p { color: var(--muted); font-size: 13.5px; }
.compare-photo { position: relative; border-radius: 22px; overflow: hidden; margin-bottom: 18px; border: 1px solid var(--line); }
.compare-photo img { width: 100%; height: 280px; object-fit: cover; }
.compare-photo figcaption {
  position: absolute; left: 16px; bottom: 16px;
  background: rgba(16,21,31,.82); color: #f6f1e8;
  border-radius: 999px; padding: 8px 14px; font-size: 13px; font-weight: 650;
}
.compare-board { display: grid; grid-template-columns: 180px 1fr 1fr; border: 1px solid var(--line); border-radius: 22px; overflow: hidden; background: var(--white); }
.compare-board div { padding: 16px 18px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }
.compare-board div:nth-child(3n) { border-right: 0; }
.compare-board .cmp-h { background: var(--ink); color: #f6f1e8; font-weight: 800; }
.compare-board .cmp-label { font-weight: 800; background: #f7f1e8; }
.mile-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; position: relative; }
.mile-list::before {
  content: ""; position: absolute; left: 6%; right: 6%; top: 28px; height: 2px;
  background: linear-gradient(90deg, var(--copper), var(--pine));
}
.mile {
  position: relative; background: var(--white); border: 1px solid var(--line);
  border-radius: 18px; padding: 18px 16px 16px; box-shadow: var(--shadow-soft); min-width: 0;
}
.mile b { display: block; color: var(--copper-deep); font-variant-numeric: tabular-nums; margin-bottom: 8px; }
.mile h3 { font-size: 16px; margin-bottom: 6px; }
.mile p { color: var(--muted); font-size: 14px; }
.news-list { display: grid; gap: 14px; }
.news-row {
  display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 18px; padding: 14px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.news-row:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(197,106,22,.4); }
.news-row img { width: 100%; height: 148px; object-fit: cover; border-radius: 14px; }
.news-row h3 { font-size: 20px; margin: 8px 0; }
.news-row p { color: var(--muted); }
.meta-line { display: flex; flex-wrap: wrap; gap: 8px 14px; color: var(--muted); font-size: 13px; font-weight: 650; }
.assure-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; }
.rule { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.rule i { color: var(--copper-2); margin-top: 4px; }
.rule h3 { font-size: 18px; margin-bottom: 4px; }
.rule p { color: #d9d0c4; }
.assure-photo { border-radius: 22px; overflow: hidden; border: 1px solid rgba(255,255,255,.12); min-height: 320px; }
.assure-photo img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; }
.quick-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: start; }
.fact {
  display: grid; grid-template-columns: 64px 1fr; gap: 14px;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.fact b { font-size: 28px; color: var(--copper-deep); font-variant-numeric: tabular-nums; }
.fact h3 { font-size: 18px; margin-bottom: 4px; }
.fact p { color: var(--muted); }
.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 28px; align-items: start; }
.qa { margin-bottom: 10px; overflow: hidden; }
.qa summary {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px 18px; font-weight: 750; cursor: pointer;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary i { color: var(--copper); transition: transform .18s ease; }
.qa[open] summary i { transform: rotate(45deg); }
.qa p { padding: 0 18px 16px; color: var(--muted); }
.side-note { background: var(--ink); color: #f6f1e8; border-radius: 22px; padding: 22px; }
.side-note p { color: #d9d0c4; margin-top: 8px; }
.form-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 28px; align-items: start; }
.form-card { padding: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 750; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line-strong); background: #fff;
  border-radius: 12px; padding: 12px 14px; color: var(--text); font-size: 15px;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--copper); }
.form-err, .form-ok { border-radius: 12px; padding: 12px 14px; font-weight: 700; margin-bottom: 12px; }
.form-err { background: #fde8e6; color: var(--danger); }
.form-ok { background: var(--pine-2); color: #0f4d43; }
.mail-link { color: var(--copper-2); font-weight: 800; border-bottom: 1px solid rgba(227,161,90,.45); }
.mail-link:hover { color: #fff; }
.site-footer { background: var(--ink); color: #f6f1e8; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .9fr; gap: 28px; padding-top: 48px; }
.footer-brand { font-weight: 800; font-size: 18px; }
.site-footer a { color: #e6dccf; }
.site-footer a:hover { color: var(--copper-2); }
.site-footer ul { list-style: none; padding: 0; margin: 8px 0 0; }
.site-footer li { margin: 6px 0; }
.site-footer p { color: #d9d0c4; }
.legal {
  display: flex; justify-content: space-between; gap: 12px;
  margin-top: 28px; padding: 16px 0 28px;
  border-top: 1px solid rgba(255,255,255,.08); color: #b7ab9c; font-size: 13px;
}
@media (max-width: 1024px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .nav-scroll { display: none; }
  .nav-toggle { display: grid; }
  .ba-grid, .matrix, .head-row, .assure-layout, .quick-layout, .faq-layout, .form-layout, .footer-grid { grid-template-columns: 1fr; }
  .ba-mid { display: none; }
  .metric-bar, .mile-list { grid-template-columns: 1fr 1fr; }
  .mile-list::before { display: none; }
  .compare-board { grid-template-columns: 1fr; }
  .compare-board div { border-right: 0; }
  .stack-card { grid-template-columns: 46px 1fr; }
  .stack-card .pill { grid-column: 2; justify-self: start; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .cmd-search { display: none; }
  .split-hero { padding: 32px 0 48px; }
  .split-hero h1 { max-width: none; }
  .news-row, .form-grid, .metric-bar, .footer-grid { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .legal { flex-direction: column; }
  .feature-card { grid-template-rows: auto 1fr; }
  .feature-card img, .compare-photo img { height: 200px; }
  .container { width: min(var(--max), calc(100% - 28px)); }
}
@media (max-width: 520px) {
  .container { width: min(var(--max), calc(100% - 24px)); }
  .header-tools .btn { display: none; }
  .mile-list { grid-template-columns: 1fr; }
  .split-actions .btn, .form-card .btn { width: 100%; }
  .brand-text small { font-size: 10px; }
  .compare-photo figcaption { position: static; display: block; border-radius: 0; }
}

/* roulang page: category6 */
:root {
  --ink: #10151f;
  --ink-2: #182132;
  --ink-3: #243044;
  --sand: #f3efe7;
  --sand-2: #e7e0d4;
  --paper: #fbf8f3;
  --copper: #c56a16;
  --copper-2: #e3a15a;
  --copper-deep: #8a4510;
  --pine: #1f6f62;
  --pine-2: #d7efe9;
  --text: #221c16;
  --muted: #655d53;
  --line: rgba(34, 28, 22, .12);
  --line-strong: rgba(34, 28, 22, .22);
  --white: #fffdf9;
  --danger: #a61b1b;
  --ok: #1d7a4a;
  --shadow: 0 18px 40px rgba(16, 21, 31, .12);
  --shadow-soft: 0 8px 24px rgba(16, 21, 31, .08);
  --radius: 18px;
  --radius-sm: 12px;
  --header: 76px;
  --max: 1180px;
  --font: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
}
/* roulang page: category6 duong-truyen */
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--sand);
  line-height: 1.7;
  font-size: 16px;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3 { line-height: 1.16; font-weight: 800; letter-spacing: -0.025em; }
ul { margin: 0; padding: 0; list-style: none; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.mt-2 { margin-top: 0.5rem; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header);
  display: flex; align-items: center;
  background: rgba(16, 21, 31, .94);
  color: #f6f1e8;
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(16px);
}
.header-inner {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, #e3a15a, #c56a16 55%, #8a4510);
  color: #1a120c; font-weight: 800; font-size: 20px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
  flex: 0 0 auto;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 15px; font-weight: 800; letter-spacing: .02em; }
.brand-text small { color: #d9cbb8; font-size: 11px; font-weight: 600; }
.nav-scroll {
  display: flex; gap: 4px; align-items: center;
  overflow-x: auto; scrollbar-width: none; min-width: 0;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-link {
  flex: 0 0 auto;
  color: #d9d0c4;
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-link:focus-visible, .btn:focus-visible, .cmd-search input:focus-visible, .qa summary:focus-visible, .nav-toggle:focus-visible, .field:focus-visible {
  outline: 2px solid var(--copper-2); outline-offset: 2px;
}
.nav-link.is-active {
  color: #fff8ee;
  background: rgba(197, 106, 22, .22);
  border-color: rgba(227, 161, 90, .45);
}
.header-tools { display: flex; align-items: center; gap: 10px; }
.cmd-search {
  display: flex; align-items: center; gap: 8px;
  background: #0c111b;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 6px 8px 6px 12px;
  min-width: 220px;
}
.cmd-search i { color: #c9bba8; font-size: 13px; }
.cmd-search input {
  width: 120px; flex: 1;
  background: transparent; border: 0; color: #fff; outline: none; font-size: 13px;
}
.cmd-search input::placeholder { color: #9c9082; }
.kbd {
  font-size: 11px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 6px;
  padding: 2px 6px;
  color: #c9bba8;
  letter-spacing: .02em;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; border: 1px solid transparent;
  padding: 11px 16px; font-weight: 700; font-size: 14px;
  cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-copper { background: var(--copper); color: #1a120c; box-shadow: 0 8px 18px rgba(197,106,22,.28); }
.btn-copper:hover { background: #d77a22; }
.btn-ink { background: var(--ink); color: #f6f1e8; }
.btn-ink:hover { background: #1c2638; }
.btn-ghost {
  background: transparent; color: #f6f1e8;
  border-color: rgba(255,255,255,.28);
}
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-line {
  background: var(--white); color: var(--ink);
  border-color: var(--line-strong);
}
.btn-line:hover { border-color: var(--copper); color: var(--copper-deep); }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid rgba(255,255,255,.16); background: #0c111b; color: #fff; cursor: pointer;
}
.drawer {
  display: none; position: fixed; inset: var(--header) 12px auto 12px; z-index: 49;
  background: #161d2c; color: #f6f1e8; border-radius: 18px;
  border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); padding: 14px;
  max-height: calc(100vh - var(--header) - 24px);
  overflow: auto;
}
body.nav-open .drawer { display: block; }
.drawer a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.06); font-weight: 650;
}
.drawer a.is-active { color: var(--copper-2); }
.drawer .cmd-search { margin-top: 12px; min-width: 0; width: 100%; }
main { display: block; }
.section { padding: 78px 0; position: relative; }
.section-sand { background: var(--sand); }
.section-paper { background: var(--paper); }
.section-dark { background: var(--ink); color: #f6f1e8; }
.section-ink2 { background: var(--ink-2); color: #f6f1e8; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--copper-deep); font-size: 12px; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
}
.section-dark .kicker, .section-ink2 .kicker, .route-hero .kicker { color: var(--copper-2); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2, .split-head h2, .assure h2 { font-size: clamp(28px, 3vw, 40px); margin: 8px 0 12px; }
.lead { color: var(--muted); font-size: 16.5px; max-width: 68ch; }
.section-dark .lead, .section-ink2 .lead, .route-hero .lead, .assure .lead { color: #d9d0c4; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 4px 10px;
  font-size: 12px; font-weight: 700; letter-spacing: .01em;
  border: 1px solid transparent;
}
.badge-copper { background: rgba(197,106,22,.14); color: var(--copper-deep); border-color: rgba(197,106,22,.28); }
.badge-ok { background: var(--pine-2); color: var(--pine); }
.badge-watch { background: #f8e7cf; color: #8a4510; }
.badge-wait { background: #ece7df; color: #655d53; }
.badge-live { background: rgba(31,111,98,.18); color: #b7efe4; border-color: rgba(183,239,228,.28); }
.route-hero {
  position: relative;
  color: #f7f2ea;
  padding: 42px 0 88px;
  background:
    linear-gradient(100deg, rgba(10,14,22,.92) 0%, rgba(10,14,22,.78) 48%, rgba(10,14,22,.55) 100%),
    url('/assets/images/514dcfe26edfc3b7.webp') center/cover no-repeat;
  overflow: hidden;
}
.route-hero::after {
  content: "";
  position: absolute; inset: auto 0 0 0; height: 72px;
  background: linear-gradient(180deg, rgba(16,21,31,0), var(--ink));
}
.crumb { display: flex; gap: 8px; align-items: center; color: #cbbba8; font-size: 13px; font-weight: 600; margin-bottom: 18px; }
.crumb a:hover { color: #fff; }
.hero-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: 36px; align-items: start; position: relative; z-index: 1; }
.route-hero h1 { font-size: clamp(34px, 4.6vw, 58px); max-width: 16ch; }
.hero-copy { max-width: 62ch; color: #e6dccf; margin: 16px 0 22px; font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-note { margin-top: 18px; color: #cbbba8; font-size: 13.5px; display: flex; gap: 8px; align-items: center; }
.tier-stack { display: grid; gap: 12px; }
.tier-card {
  background: rgba(12,17,27,.72);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.tier-card:hover { transform: translateY(-3px); border-color: rgba(227,161,90,.45); }
.tier-card.is-rec {
  background: linear-gradient(180deg, #fffdf9, #f6efe4);
  color: var(--text);
  border: 2px solid var(--copper);
  box-shadow: 0 22px 40px rgba(0,0,0,.28);
  order: -1;
}
.tier-top { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.tier-card h2, .tier-card h3 { font-size: 20px; margin: 6px 0 4px; }
.tier-card p { color: #d9d0c4; font-size: 14px; }
.tier-card.is-rec p { color: var(--muted); }
.tier-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; margin: 14px 0; }
.metric-mini { background: rgba(255,255,255,.04); border-radius: 12px; padding: 8px 10px; }
.tier-card.is-rec .metric-mini { background: #f3efe7; }
.metric-mini span { display: block; color: #cbbba8; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.tier-card.is-rec .metric-mini span { color: var(--muted); }
.metric-mini strong { font-size: 15px; }
.tier-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat-wrap { position: relative; z-index: 3; margin-top: -48px; }
.stat-band {
  background: var(--ink-2);
  color: #f6f1e8;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 22px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}
.stat-item { padding: 22px 18px; border-right: 1px solid rgba(255,255,255,.08); }
.stat-item:last-child { border-right: 0; }
.stat-item span { display: block; color: #cbbba8; font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.stat-item strong { display: block; margin-top: 6px; font-size: clamp(26px, 3vw, 34px); color: #fff; letter-spacing: -0.03em; }
.stat-item em { font-style: normal; color: var(--copper-2); font-size: 13px; font-weight: 650; }
.matrix-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 28px; align-items: stretch; }
.photo-frame {
  position: relative; border-radius: 24px; overflow: hidden; min-height: 420px;
  box-shadow: var(--shadow); border: 1px solid var(--line);
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.photo-cap {
  position: absolute; left: 14px; right: 14px; bottom: 14px;
  background: rgba(16,21,31,.82); color: #f6f1e8;
  border-radius: 14px; padding: 12px 14px;
  display: flex; justify-content: space-between; gap: 10px; align-items: center;
}
.photo-cap strong { display: block; font-size: 14px; }
.photo-cap span { color: #d9d0c4; font-size: 12px; }
.route-list { display: grid; gap: 10px; }
.route-row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto auto;
  gap: 12px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  box-shadow: var(--shadow-soft);
  transition: border-color .18s ease, transform .18s ease;
}
.route-row:hover { border-color: rgba(197,106,22,.45); transform: translateX(3px); }
.route-ico {
  width: 54px; height: 54px; border-radius: 14px;
  display: grid; place-items: center;
  background: #f6efe4; color: var(--copper-deep); font-size: 18px;
}
.route-row h3 { font-size: 16px; letter-spacing: 0; }
.route-row p { color: var(--muted); font-size: 13.5px; }
.latency { font-weight: 800; font-size: 18px; color: var(--ink); min-width: 72px; text-align: right; }
.split-head {
  display: flex; justify-content: space-between; gap: 28px; align-items: end;
  margin-bottom: 26px;
}
.split-head .lead { margin: 0; }
.compare-board {
  display: grid; grid-template-columns: 1fr 1.08fr; gap: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 12px;
  box-shadow: var(--shadow-soft);
}
.compare-col { border-radius: 18px; padding: 18px 18px 8px; }
.compare-col.plain { background: #f6f1e8; }
.compare-col.hot {
  background: linear-gradient(180deg, #2a2118, #1a140f);
  color: #f6f1e8;
  box-shadow: inset 0 0 0 1px rgba(227,161,90,.35);
}
.compare-col h3 { font-size: 22px; margin: 8px 0; }
.compare-col .sub { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.compare-col.hot .sub { color: #d9cbb8; }
.cmp-row {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
}
.compare-col.hot .cmp-row { border-top-color: rgba(255,255,255,.1); }
.cmp-row span { color: var(--muted); }
.compare-col.hot .cmp-row span { color: #cbbba8; }
.cmp-row strong { text-align: right; }
.mile-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 36px; }
.mile-list { position: relative; }
.mile {
  display: grid;
  grid-template-columns: 92px 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 8px 0 18px;
}
.mile time { font-weight: 800; color: var(--copper-deep); font-size: 14px; padding-top: 2px; }
.dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--copper); margin-top: 6px;
  box-shadow: 0 0 0 5px rgba(197,106,22,.16);
  position: relative; z-index: 1;
}
.mile-list .mile:not(:last-child) .dot::after {
  content: "";
  position: absolute; left: 6px; top: 16px; width: 2px; height: 58px;
  background: var(--sand-2);
}
.mile h3 { font-size: 17px; letter-spacing: 0; }
.mile p { color: var(--muted); font-size: 14.5px; }
.log-list { display: grid; gap: 12px; }
.log-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 10px;
  box-shadow: var(--shadow-soft);
  transition: box-shadow .18s ease, transform .18s ease;
}
.log-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.log-row img { width: 132px; height: 92px; object-fit: cover; border-radius: 12px; }
.log-row h3 { font-size: 17px; letter-spacing: 0; margin-bottom: 4px; }
.log-row p { color: var(--muted); font-size: 14.5px; }
.log-meta { color: var(--copper-deep); font-size: 12px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.assure {
  background:
    linear-gradient(100deg, rgba(16,21,31,.94), rgba(16,21,31,.78)),
    url('/assets/images/a7fb2ea3db7224ca.webp') center/cover no-repeat;
  color: #f6f1e8;
}
.assure-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 32px; align-items: center; }
.assure-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.assure-item {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  padding: 16px;
  min-height: 132px;
}
.assure-item i { color: var(--copper-2); font-size: 18px; }
.assure-item h3 { font-size: 16px; margin: 10px 0 6px; letter-spacing: 0; }
.assure-item p { color: #d9d0c4; font-size: 14px; }
.qa-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 28px; align-items: start; }
.qa {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  padding: 0 16px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-soft);
}
.qa summary {
  cursor: pointer;
  font-weight: 750;
  padding: 16px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--copper-deep); font-weight: 800; font-size: 22px; line-height: 1; }
.qa[open] summary::after { content: "–"; }
.qa[open] { border-color: rgba(197,106,22,.4); }
.qa p { padding-bottom: 16px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 28px; align-items: start; }
.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.form-card h2 { font-size: 28px; margin-bottom: 6px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.field-full { grid-column: 1 / -1; }
label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.field, select.field, textarea.field {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--text);
  border-radius: 12px;
  padding: 12px 12px;
  font-size: 15px;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field:hover { border-color: var(--copper-2); }
.field:focus { border-color: var(--copper); box-shadow: 0 0 0 4px rgba(197,106,22,.15); outline: none; }
textarea.field { min-height: 110px; resize: vertical; }
.form-foot { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: 14px; flex-wrap: wrap; }
.form-foot p { color: var(--muted); font-size: 13px; max-width: 46ch; }
.form-ok {
  display: none;
  background: var(--pine-2);
  color: #13483f;
  border-radius: 16px;
  padding: 16px;
  margin-top: 14px;
  font-weight: 650;
}
.form-ok.show { display: block; }
.side-points { margin-top: 18px; display: grid; gap: 10px; }
.side-points li {
  display: flex; gap: 10px; align-items: flex-start;
  background: rgba(255,255,255,.55);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
}
.side-points i { color: var(--pine); margin-top: 3px; }
.site-footer {
  background: #0c111b;
  color: #d9d0c4;
  padding: 56px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 28px; }
.footer-brand { color: #fff; font-weight: 800; font-size: 18px; }
.site-footer a { color: #e6dccf; }
.site-footer a:hover { color: var(--copper-2); }
.site-footer strong { color: #fff; }
.site-footer li { margin: 6px 0; }
.legal {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #9c9082;
  font-size: 13px;
}
@media (max-width: 1024px) {
  .hero-layout, .matrix-grid, .compare-board, .mile-layout, .assure-grid, .qa-grid, .form-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .stat-band { grid-template-columns: repeat(3, 1fr); }
  .stat-item:nth-child(3) { border-right: 0; }
  .nav-scroll { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .header-inner { grid-template-columns: 1fr auto; }
  .cmd-search { min-width: 0; }
  .photo-frame { min-height: 280px; }
  .photo-frame img { position: static; height: 280px; }
  .mile-list .mile:not(:last-child) .dot::after { height: 72px; }
}
@media (max-width: 768px) {
  .section { padding: 58px 0; }
  .cmd-search { display: none; }
  .stat-band { grid-template-columns: 1fr 1fr; }
  .stat-item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.08); }
  .tier-row, .fields, .assure-list, .log-row, .route-row {
    grid-template-columns: 1fr;
  }
  .log-row img { width: 100%; height: 180px; }
  .latency { text-align: left; }
  .split-head { flex-direction: column; align-items: start; }
  .route-hero { padding-top: 28px; }
  .container { width: min(var(--max), calc(100% - 28px)); }
}
@media (max-width: 520px) {
  .header-inner { width: calc(100% - 16px); gap: 8px; }
  .brand-text small { max-width: 92px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .header-tools .btn-sm { display: none; }
  .stat-band { grid-template-columns: 1fr; border-radius: 16px; }
  .stat-item, .stat-item:nth-child(odd) { border-right: 0; }
  .mile { grid-template-columns: 72px 18px minmax(0, 1fr); gap: 8px; }
  .hero-actions .btn, .form-foot .btn { width: 100%; }
  .legal { flex-direction: column; }
  .tier-metrics { grid-template-columns: 1fr; }
  .route-hero h1 { font-size: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .tier-card, .route-row, .log-row, .nav-link { transition: none; }
}

/* roulang page: category7 */
:root {
 --ink: #10151f;
 --ink-2: #182132;
 --ink-3: #243044;
 --sand: #f3efe7;
 --sand-2: #e7e0d4;
 --paper: #fbf8f3;
 --copper: #c56a16;
 --copper-2: #e3a15a;
 --copper-deep: #8a4510;
 --pine: #1f6f62;
 --pine-2: #d7efe9;
 --text: #221c16;
 --muted: #655d53;
 --line: rgba(34, 28, 22, .12);
 --line-strong: rgba(34, 28, 22, .22);
 --white: #fffdf9;
 --danger: #a61b1b;
 --ok: #1d7a4a;
 --shadow: 0 18px 40px rgba(16, 21, 31, .12);
 --shadow-soft: 0 8px 24px rgba(16, 21, 31, .08);
 --radius: 18px;
 --radius-sm: 12px;
 --header: 76px;
 --max: 1180px;
 --font: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
}
/* roulang page: index */
:root {
 --ink: #10151f;
 --ink-2: #182132;
 --ink-3: #243044;
 --sand: #f3efe7;
 --sand-2: #e7e0d4;
 --paper: #fbf8f3;
 --copper: #c56a16;
 --copper-2: #e3a15a;
 --copper-deep: #8a4510;
 --pine: #1f6f62;
 --pine-2: #d7efe9;
 --text: #221c16;
 --muted: #655d53;
 --line: rgba(34, 28, 22, .12);
 --line-strong: rgba(34, 28, 22, .22);
 --white: #fffdf9;
 --danger: #a61b1b;
 --ok: #1d7a4a;
 --shadow: 0 18px 40px rgba(16, 21, 31, .12);
 --shadow-soft: 0 8px 24px rgba(16, 21, 31, .08);
 --radius: 18px;
 --radius-sm: 12px;
 --header: 76px;
 --max: 1180px;
 --font: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: var(--font);
 color: var(--text);
 background: var(--sand);
 line-height: 1.7;
 font-size: 16px;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky; top: 0; z-index: 50;
 height: var(--header);
 display: flex; align-items: center;
 background: rgba(16, 21, 31, .94);
 color: #f6f1e8;
 border-bottom: 1px solid rgba(255,255,255,.08);
 backdrop-filter: blur(16px);
}
.header-inner {
 width: min(1280px, calc(100% - 32px));
 margin: 0 auto;
 display: grid;
 grid-template-columns: auto minmax(0, 1fr) auto;
 gap: 18px;
 align-items: center;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
 width: 40px; height: 40px; border-radius: 12px;
 display: grid; place-items: center;
 background: linear-gradient(160deg, #e3a15a, #c56a16 55%, #8a4510);
 color: #1a120c; font-weight: 800; font-size: 20px;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 15px; font-weight: 800; letter-spacing: .02em; }
.brand-text small { color: #d9cbb8; font-size: 11px; font-weight: 600; }
.nav-scroll {
 display: flex; gap: 4px; align-items: center;
 overflow-x: auto; scrollbar-width: none; min-width: 0;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-link {
 flex: 0 0 auto;
 color: #d9d0c4;
 font-size: 13.5px;
 font-weight: 600;
 padding: 8px 10px;
 border-radius: 999px;
 border: 1px solid transparent;
 transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-link:focus-visible, .btn:focus-visible, .cmd-search input:focus-visible, .qa summary:focus-visible, .nav-toggle:focus-visible, .field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
 outline: 2px solid var(--copper-2); outline-offset: 2px;
}
.nav-link.is-active {
 color: #fff8ee;
 background: rgba(197, 106, 22, .22);
 border-color: rgba(227, 161, 90, .45);
}
.header-tools { display: flex; align-items: center; gap: 10px; }
.cmd-search {
 display: flex; align-items: center; gap: 8px;
 background: #0c111b;
 border: 1px solid rgba(255,255,255,.12);
 border-radius: 999px;
 padding: 6px 8px 6px 12px;
 min-width: 220px;
}
.cmd-search i { color: #c9bba8; font-size: 13px; }
.cmd-search input {
 width: 120px; flex: 1;
 background: transparent; border: 0; color: #fff; outline: none; font-size: 13px;
}
.cmd-search input::placeholder { color: #9c9082; }
.kbd {
 font-size: 11px; color: #c9bba8;
 border: 1px solid rgba(255,255,255,.16);
 border-radius: 6px; padding: 2px 6px; white-space: nowrap;
}
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 border-radius: 999px; border: 1px solid transparent;
 padding: 11px 16px; font-weight: 700; font-size: 14px;
 cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-copper { background: var(--copper); color: #1a120c; box-shadow: 0 8px 18px rgba(197,106,22,.28); }
.btn-copper:hover { background: #d77a22; }
.btn-ink { background: var(--ink); color: #f6f1e8; }
.btn-ink:hover { background: #1c2638; }
.btn-ghost {
 background: transparent; color: #f6f1e8;
 border-color: rgba(255,255,255,.28);
}
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-line {
 background: var(--white); color: var(--ink);
 border-color: var(--line-strong);
}
.btn-line:hover { border-color: var(--copper); color: var(--copper-deep); }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.nav-toggle {
 display: none; width: 42px; height: 42px; border-radius: 12px;
 border: 1px solid rgba(255,255,255,.16); background: #0c111b; color: #fff; cursor: pointer;
}
.drawer {
 display: none; position: fixed; inset: var(--header) 12px auto 12px; z-index: 49;
 background: #161d2c; color: #f6f1e8; border-radius: 18px;
 border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); padding: 14px;
}
body.nav-open .drawer { display: block; }
.drawer a {
 display: flex; justify-content: space-between; align-items: center;
 padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.06); font-weight: 650;
}
.drawer a.is-active { color: var(--copper-2); }
.drawer .cmd-search { margin-top: 12px; min-width: 0; width: 100%; }
main { display: block; }
.section { padding: 78px 0; position: relative; }
.section-sand { background: var(--sand); }
.section-paper { background: var(--paper); }
.section-dark { background: var(--ink); color: #f6f1e8; }
.section-ink2 { background: var(--ink-2); color: #f6f1e8; }
.section-dark .kicker, .section-ink2 .kicker { color: var(--copper-2); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2, main h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.18; letter-spacing: -.02em; margin: 8px 0 12px; }
.lead { color: var(--muted); font-size: 16.5px; max-width: 68ch; }
.section-dark .lead, .section-ink2 .lead { color: #d9d0c4; }
main h1, main h2, main h3 { font-weight: 800; }
main p { margin: 0 0 12px; }
.kicker {
 display: inline-flex; align-items: center; gap: 8px;
 color: var(--copper-deep); font-size: 12px; font-weight: 800;
 letter-spacing: .08em; text-transform: uppercase;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.mt-2 { margin-top: .5rem; }
.skip {
 position: absolute; left: 12px; top: -40px; z-index: 80;
 background: var(--copper); color: #1a120c; padding: 8px 12px; border-radius: 999px; font-weight: 700;
}
.skip:focus { top: 12px; }
/* roulang page: category7 truc-ban */
.desk-hero {
 background:
  linear-gradient(90deg, rgba(243,239,231,.96) 0%, rgba(243,239,231,.9) 48%, rgba(243,239,231,.72) 100%),
  url('/assets/images/a7fb2ea3db7224ca.webp') right center/cover no-repeat;
 padding: 42px 0 36px;
 border-bottom: 1px solid var(--line);
}
.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(--copper-deep); }
.crumb span[aria-hidden] { opacity: .5; }
.desk-hero h1 { font-size: clamp(34px, 4.6vw, 56px); line-height: 1.08; letter-spacing: -.03em; max-width: 16ch; margin: 10px 0 14px; }
.pain {
 font-size: 18px; font-weight: 700; color: var(--ink);
 border-left: 3px solid var(--copper); padding-left: 12px; margin: 0 0 14px;
}
.hero-lead { color: var(--muted); max-width: 58ch; }
.hero-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: stretch; }
.hero-form, .form-card {
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 18px;
}
.hero-form { margin-top: 8px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field span { font-size: 13px; font-weight: 700; color: var(--ink); }
.field input, .field select, .field textarea {
 width: 100%; border: 1px solid var(--line-strong); background: #fff;
 color: var(--text); border-radius: 12px; padding: 12px 14px; font-size: 15px;
 transition: border-color .18s ease, box-shadow .18s ease;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
 border-color: var(--copper); box-shadow: 0 0 0 4px rgba(197,106,22,.16); outline: none;
}
.form-row { display: grid; grid-template-columns: 1.2fr .8fr; gap: 10px; }
.form-note { min-height: 1.4em; font-size: 13.5px; font-weight: 650; margin: 8px 0 0; }
.form-note.is-ok { color: var(--ok); }
.form-note.is-warn { color: var(--danger); }
.hero-panel { position: relative; border-radius: 24px; overflow: hidden; min-height: 460px; box-shadow: var(--shadow); }
.hero-panel img { width: 100%; height: 100%; object-fit: cover; min-height: 460px; }
.panel-shade {
 position: absolute; inset: 0;
 background: linear-gradient(180deg, rgba(16,21,31,.15) 10%, rgba(16,21,31,.82) 100%);
}
.panel-card {
 position: absolute; left: 16px; right: 16px; bottom: 16px;
 background: rgba(16,21,31,.78); color: #f6f1e8;
 border: 1px solid rgba(255,255,255,.12);
 border-radius: 16px; padding: 14px 16px; backdrop-filter: blur(8px);
}
.panel-card strong { display: block; font-size: 18px; }
.panel-card p { color: #e6dccf; margin: 4px 0 0; font-size: 14px; }
.pill, .badge {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px; font-weight: 700; font-size: 12px;
}
.pill { background: var(--pine-2); color: var(--pine); padding: 4px 10px; }
.badge { background: rgba(197,106,22,.16); color: #ffd7ae; padding: 4px 10px; }
.stat-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; align-items: end; }
.stat-rail { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat-item {
 background: rgba(255,255,255,.04);
 border: 1px solid rgba(255,255,255,.1);
 border-radius: var(--radius);
 padding: 18px 18px 16px;
 transition: transform .18s ease, border-color .18s ease;
}
.stat-item:hover { transform: translateY(-3px); border-color: rgba(227,161,90,.55); }
.stat-item strong { display: block; font-size: clamp(36px, 4vw, 52px); line-height: 1; color: var(--copper-2); letter-spacing: -.03em; }
.stat-item span { display: block; margin-top: 8px; color: #d9d0c4; font-weight: 600; }
.matrix { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: stretch; }
.shot { position: relative; border-radius: 24px; overflow: hidden; min-height: 320px; box-shadow: var(--shadow-soft); }
.shot img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.shot figcaption {
 position: absolute; left: 0; right: 0; bottom: 0; color: #fff8ee;
 padding: 56px 18px 16px;
 background: linear-gradient(180deg, transparent, rgba(10,14,22,.9));
}
.shot figcaption strong { display: block; font-size: 20px; }
.shift-list { display: flex; flex-direction: column; gap: 10px; }
.shift-row {
 display: grid; grid-template-columns: 92px 1fr; gap: 14px;
 background: var(--white); border: 1px solid var(--line); border-radius: 16px;
 padding: 14px; box-shadow: var(--shadow-soft);
 transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.shift-row:hover { transform: translateY(-2px); border-color: rgba(197,106,22,.45); box-shadow: var(--shadow); }
.shift-row.is-open { background: #1b2433; color: #f6f1e8; border-color: transparent; }
.shift-row.is-open p { color: #d9d0c4; }
.shift-time { font-weight: 800; color: var(--copper-deep); font-size: 13px; }
.shift-row.is-open .shift-time { color: var(--copper-2); }
.shift-row h3 { margin: 0 0 4px; font-size: 17px; }
.shift-row p { margin: 0; color: var(--muted); font-size: 14.5px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-radius: 24px; overflow: hidden; border: 1px solid var(--line-strong); box-shadow: var(--shadow-soft); }
.compare-col { padding: 26px; }
.compare-col.plain { background: #efe8dc; }
.compare-col.live { background: var(--ink); color: #f6f1e8; }
.compare-col h3 { margin: 0 0 8px; font-size: 24px; }
.spec { list-style: none; margin: 16px 0 0; padding: 0; }
.spec li {
 display: flex; justify-content: space-between; gap: 12px;
 padding: 12px 0; border-top: 1px solid var(--line); font-weight: 650;
}
.compare-col.live .spec li { border-top-color: rgba(255,255,255,.1); }
.spec b { font-weight: 800; }
.compare-col.live .spec b { color: var(--copper-2); }
.mile-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; position: relative; }
.mile {
 background: var(--white); border: 1px solid var(--line); border-radius: 16px;
 padding: 16px; min-height: 180px; box-shadow: var(--shadow-soft); position: relative;
}
.mile i {
 width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center;
 background: var(--ink); color: var(--copper-2); margin-bottom: 10px;
}
.mile em { font-style: normal; color: var(--copper-deep); font-size: 12px; font-weight: 800; }
.mile h3 { font-size: 16px; margin: 6px 0; }
.mile p { color: var(--muted); font-size: 14px; margin: 0; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-row {
 display: grid; grid-template-columns: 168px 1fr auto; gap: 16px; align-items: center;
 background: var(--white); border: 1px solid var(--line); border-radius: 18px;
 padding: 12px; box-shadow: var(--shadow-soft);
 transition: transform .18s ease, box-shadow .18s ease;
}
.news-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.news-row img { width: 168px; height: 112px; object-fit: cover; border-radius: 12px; }
.news-row h3 { margin: 0 0 6px; font-size: 18px; }
.news-row p { margin: 0; color: var(--muted); }
.tag { font-size: 12px; font-weight: 800; color: var(--pine); background: var(--pine-2); border-radius: 999px; padding: 4px 8px; }
.assure { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; align-items: center; }
.assure img { width: 100%; height: 360px; object-fit: cover; border-radius: 24px; border: 1px solid rgba(255,255,255,.08); }
.assure-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.assure-item {
 border: 1px solid rgba(255,255,255,.1); border-radius: 16px; padding: 16px;
 background: rgba(255,255,255,.04);
}
.assure-item i { color: var(--copper-2); margin-bottom: 8px; }
.assure-item h3 { font-size: 16px; margin: 0 0 6px; }
.assure-item p { margin: 0; color: #d9d0c4; font-size: 14.5px; }
.quick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.quick {
 background: var(--white); border-radius: 16px; padding: 18px 18px 8px;
 border: 1px solid var(--line); border-left: 4px solid var(--copper);
 box-shadow: var(--shadow-soft);
}
.quick h3 { font-size: 17px; margin: 0 0 6px; }
.quick p { color: var(--muted); }
.faq-list { max-width: 860px; }
.qa { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--white); box-shadow: var(--shadow-soft); }
.qa + .qa { margin-top: 10px; }
.qa summary {
 cursor: pointer; padding: 16px 18px; font-weight: 750; list-style: none;
 display: flex; justify-content: space-between; gap: 12px; align-items: center;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:after { content: "+"; color: var(--copper-deep); font-weight: 800; font-size: 20px; }
.qa[open] summary:after { content: "–"; }
.qa p { padding: 0 18px 16px; color: var(--muted); margin: 0; }
.form-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 24px; align-items: start; }
.mail-box { background: var(--ink); color: #f6f1e8; border-radius: 24px; padding: 22px; }
.mail-box a { color: var(--copper-2); font-weight: 800; }
.mail-box li { margin: 8px 0; }
.site-footer { background: var(--ink); color: #d9d0c4; padding: 56px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 28px; }
.footer-brand { color: #fff8ee; font-weight: 800; font-size: 18px; margin: 0; }
.site-footer a { color: #e6dccf; }
.site-footer a:hover { color: var(--copper-2); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 6px 0; }
.legal {
 display: flex; justify-content: space-between; gap: 12px;
 margin-top: 28px; padding-top: 16px;
 border-top: 1px solid rgba(255,255,255,.08);
 color: #b7ab9c; font-size: 13px;
}
@media (max-width: 1024px) {
 .header-inner { gap: 10px; }
 .cmd-search { min-width: 160px; }
 .kbd { display: none; }
 .hero-layout, .stat-layout, .matrix, .assure, .form-grid { grid-template-columns: 1fr; }
 .mile-track { grid-template-columns: 1fr 1fr; }
 .hero-panel, .hero-panel img { min-height: 280px; }
 .desk-hero h1 { max-width: none; }
}
@media (max-width: 768px) {
 .nav-scroll { display: none; }
 .nav-toggle { display: grid; place-items: center; }
 .header-tools .cmd-search { display: none; }
 .section { padding: 52px 0; }
 .compare, .quick-grid, .assure-list, .footer-grid, .form-row, .news-row { grid-template-columns: 1fr; }
 .news-row img { width: 100%; height: 180px; }
 .mile-track { grid-template-columns: 1fr; }
 .stat-rail { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 24px)); }
 .header-tools .btn { display: none; }
 .stat-rail { grid-template-columns: 1fr; }
 .legal { flex-direction: column; }
 .hero-form .btn, .form-card .btn { width: 100%; }
 .desk-hero { padding: 28px 0; }
 .desk-hero h1 { font-size: 32px; }
 .shift-row { grid-template-columns: 1fr; }
 .brand-text small { display: none; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 .btn, .stat-item, .shift-row, .news-row { transition: none; }
}