/* roulang page: index */
:root {
  --bg: #070b14;
  --bg-2: #101826;
  --bg-3: #172338;
  --ink: #f4f7fb;
  --muted: #b4c0d4;
  --faint: #8d9bb3;
  --line: rgba(228, 196, 140, .18);
  --line-strong: rgba(255, 255, 255, .12);
  --gold: #e6b15a;
  --gold-2: #f6e2bc;
  --gold-deep: #8a6230;
  --teal: #3dceb4;
  --rose: #ff8b9a;
  --ok: #7dcea0;
  --shadow: 0 22px 60px rgba(0, 0, 0, .38);
  --radius: 22px;
  --radius-sm: 14px;
  --space: clamp(3.2rem, 6vw, 5.4rem);
  --max: 1160px;
  --font: "Be Vietnam Pro", system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 500px at 80% -10%, rgba(230, 177, 90, .16), transparent 55%), var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-2); text-decoration: none; }
a:hover { color: #fff; }
button, input, select, textarea { font-family: inherit; }
::selection { background: rgba(230, 177, 90, .35); color: #fff; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.shell { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 11, 20, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 78px;
}
.brand { display: flex; align-items: center; gap: .8rem; color: var(--ink); min-width: 0; }
.brand-mark {
  width: 46px; height: 46px; flex: 0 0 46px;
  display: grid; place-items: center;
  border-radius: 15px;
  background: linear-gradient(160deg, #f0d7a4, #b8883e);
  color: #2a1c0a;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(230, 177, 90, .25);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-text strong { font-size: .98rem; letter-spacing: -.01em; white-space: nowrap; }
.brand-text small { color: var(--faint); font-size: .75rem; }
.header-cta { display: flex; gap: .6rem; align-items: center; }
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #121b2c;
  color: var(--ink);
  border-radius: 12px;
  width: 46px; height: 46px;
}
.header-nav { border-top: 1px solid rgba(255,255,255,.05); }
.nav-list { display: flex; gap: .35rem; list-style: none; margin: 0; padding: .55rem 0; overflow: auto; }
.nav-list a {
  display: inline-flex; align-items: center; min-height: 38px;
  padding: .2rem .75rem; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: .9rem; white-space: nowrap;
}
.nav-list a:hover { background: rgba(255,255,255,.05); color: #fff; }
.nav-list a.active { background: rgba(230,177,90,.16); color: var(--gold-2); }
.btn-gold, .btn-ghost, .btn-line {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-height: 46px; padding: .55rem 1.05rem; border-radius: 999px;
  font-weight: 700; border: 1px solid transparent; transition: .2s ease;
  cursor: pointer; text-align: center;
}
.btn-gold { background: linear-gradient(180deg, #f0cc86, #d09a3e); color: #2a1c0a; box-shadow: 0 10px 24px rgba(208,154,62,.25); }
.btn-gold:hover { color: #1a1206; transform: translateY(-1px); }
.btn-gold:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--gold-2); border-color: rgba(230,177,90,.45); }
.btn-ghost:hover { background: rgba(230,177,90,.1); color: #fff; }
.btn-line { background: #121b2c; color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover { border-color: var(--gold); color: #fff; }
.hero {
  position: relative;
  padding: 2.2rem 0 1.4rem;
  background:
    linear-gradient(180deg, rgba(7,11,20,.28), rgba(7,11,20,.88)),
    url("/assets/images/8ed993d44f04dfc7.webp") center/cover no-repeat;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1.4rem; align-items: stretch; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .45rem;
  color: var(--gold-2); font-size: .82rem; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 6px rgba(61,206,180,.15); }
h1 { font-size: clamp(2rem, 4vw, 3.45rem); line-height: 1.18; letter-spacing: -.03em; margin: .7rem 0 1rem; font-weight: 800; }
.lede { color: #e7edf7; font-size: 1.02rem; max-width: 68ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.2rem 0 1rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip {
  border: 1px solid var(--line); background: rgba(8,12,22,.55);
  color: var(--gold-2); border-radius: 999px; padding: .28rem .7rem; font-size: .82rem; font-weight: 600;
}
.map-panel {
  background: rgba(10,16,28,.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  min-height: 100%;
}
.map-canvas {
  position: relative; height: 320px;
  background:
    linear-gradient(180deg, rgba(7,11,20,.2), rgba(7,11,20,.72)),
    url("/assets/images/f34cc9a3932a93f7.jpg") center/cover no-repeat;
}
.pin {
  position: absolute; transform: translate(-50%, -50%);
  border: 0; background: transparent; color: #fff; cursor: pointer; padding: 0;
}
.pin i { color: var(--gold); filter: drop-shadow(0 6px 8px rgba(0,0,0,.45)); font-size: 1.15rem; }
.pin span {
  display: block; margin-top: .15rem; font-size: .72rem; font-weight: 700;
  background: rgba(7,11,20,.8); border-radius: 999px; padding: .05rem .4rem;
}
.pin:hover span { background: var(--gold); color: #2a1c0a; }
.map-legend { display: flex; justify-content: space-between; gap: .8rem; padding: .85rem 1rem 1rem; color: var(--muted); font-size: .82rem; }
.near-rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; margin-top: 1rem; }
.near-card {
  text-align: left; color: var(--ink); cursor: pointer;
  background: rgba(16,24,38,.9); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  padding: .9rem 1rem; transition: .2s ease;
}
.near-card:hover { transform: translateY(-3px); border-color: var(--gold); box-shadow: var(--shadow); }
.near-card b { display: block; font-size: .98rem; }
.near-card span { color: var(--muted); font-size: .84rem; }
main { display: block; }
.section { padding: var(--space) 0; }
.band-alt { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.015)); border-top: 1px solid rgba(255,255,255,.04); border-bottom: 1px solid rgba(255,255,255,.04); }
.band-ink { background: #0c1322; }
.kicker { color: var(--gold); font-weight: 700; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: .35rem; }
h2 { font-size: clamp(1.55rem, 2.4vw, 2.2rem); line-height: 1.25; letter-spacing: -.02em; margin: 0 0 .7rem; font-weight: 800; }
.lead { color: var(--muted); max-width: 78ch; margin-bottom: 1.3rem; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 1.3rem; align-items: center; }
.photo-frame { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 320px; box-shadow: var(--shadow); }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.photo-frame em {
  position: absolute; left: 1rem; bottom: 1rem; font-style: normal;
  background: rgba(7,11,20,.82); border-radius: 999px; padding: .3rem .7rem; font-size: .8rem;
}
.issue-list { display: grid; gap: .7rem; }
.issue {
  display: grid; grid-template-columns: auto 1fr; gap: .8rem; align-items: start;
  padding: .85rem 1rem; border-radius: var(--radius-sm); background: #121b2c; border: 1px solid var(--line-strong);
}
.issue i { color: var(--rose); margin-top: .25rem; }
.issue strong { display: block; }
.issue p { margin: .15rem 0 0; color: var(--muted); }
.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.stat {
  padding: 1.1rem 1rem 1rem; border-radius: var(--radius);
  background: linear-gradient(180deg, #1a2740, #121b2c);
  border: 1px solid var(--line);
}
.stat b { display: block; font-size: clamp(1.6rem, 2vw, 2.1rem); color: var(--gold-2); letter-spacing: -.03em; line-height: 1.1; }
.stat span { color: var(--muted); font-size: .92rem; }
.demo-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1.2rem; }
.step { display: grid; grid-template-columns: auto 1fr; gap: .85rem; margin-bottom: .85rem; }
.step-no {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(230,177,90,.15); color: var(--gold-2); font-weight: 800;
}
.step h3 { font-size: 1.05rem; margin: 0; }
.step p { margin: .2rem 0 0; color: var(--muted); }
.stage { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #101826; box-shadow: var(--shadow); }
.stage img { width: 100%; height: 250px; object-fit: cover; }
.progress-card { padding: 1rem 1rem 1.1rem; }
.bar { height: 10px; background: #243044; border-radius: 999px; overflow: hidden; margin: .6rem 0; }
.bar span { display: block; height: 100%; width: 62%; background: linear-gradient(90deg, var(--teal), var(--gold)); }
.matrix { display: grid; grid-template-columns: 1.3fr 1fr 1fr; grid-auto-rows: 1fr; gap: .8rem; }
.matrix a {
  display: flex; flex-direction: column; justify-content: space-between; gap: .8rem;
  min-height: 170px; padding: 1.05rem; border-radius: var(--radius);
  background: #121b2c; border: 1px solid var(--line-strong); color: var(--ink);
  transition: .2s ease;
}
.matrix a.wide { background:
  linear-gradient(120deg, rgba(7,11,20,.2), rgba(7,11,20,.78)),
  url("/assets/images/dd1c11795714a4dd.webp") center/cover no-repeat;
}
.matrix a:hover { transform: translateY(-3px); border-color: var(--gold); color: #fff; box-shadow: var(--shadow); }
.matrix h3 { font-size: 1.12rem; margin: .35rem 0; }
.matrix p { color: #d5deec; margin: 0; }
.tag { align-self: flex-start; font-size: .75rem; font-weight: 700; color: #2a1c0a; background: var(--gold); border-radius: 999px; padding: .12rem .5rem; }
.rail-head { display: flex; justify-content: space-between; gap: 1rem; align-items: end; }
.rail { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(240px, 1fr); gap: .8rem; overflow-x: auto; padding-bottom: .4rem; scroll-snap-type: x mandatory; }
.shot { margin: 0; scroll-snap-align: start; background: #121b2c; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line-strong); }
.shot img { height: 170px; width: 100%; object-fit: cover; }
.shot figcaption { padding: .8rem .9rem 1rem; }
.shot strong { display: block; }
.shot span { color: var(--muted); font-size: .88rem; }
.compare { display: grid; gap: .65rem; }
.compare-row, .plan {
  display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); gap: .55rem; align-items: stretch;
}
.cell, .plan article {
  background: #121b2c; border: 1px solid var(--line-strong); border-radius: 16px; padding: .85rem .9rem;
}
.plan article.hot { background: linear-gradient(180deg, rgba(230,177,90,.18), #172033); border-color: var(--gold); box-shadow: var(--shadow); }
.cell small, .plan small { color: var(--faint); display: block; }
.hot-flag { color: #2a1c0a; background: var(--gold); border-radius: 999px; font-size: .72rem; font-weight: 800; padding: .1rem .45rem; }
.stuck-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem 1rem; }
.stuck { display: grid; grid-template-columns: auto 1fr; gap: .75rem; padding-bottom: .75rem; border-bottom: 1px solid rgba(255,255,255,.06); }
.num { font-weight: 800; color: var(--gold); font-size: 1.2rem; }
.path { display: grid; grid-template-columns: repeat(5, 1fr); gap: .7rem; }
.path a {
  background: #121b2c; border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 1rem;
  color: var(--ink); min-height: 150px; position: relative;
}
.path a:hover { border-color: var(--teal); transform: translateY(-3px); color: #fff; }
.path em { font-style: normal; color: var(--teal); font-weight: 800; font-size: .8rem; }
.timeline { border-left: 2px solid rgba(230,177,90,.4); margin-left: .4rem; display: grid; gap: 1rem; }
.tl { position: relative; padding-left: 1.3rem; }
.tl::before {
  content: ""; position: absolute; left: -7px; top: .45rem; width: 12px; height: 12px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 0 4px rgba(230,177,90,.18);
}
.tl h3 { margin: 0; font-size: 1.05rem; }
.tl p { margin: .25rem 0 0; color: var(--muted); }
.ladder { display: grid; gap: .7rem; }
.lad {
  display: grid; grid-template-columns: 92px 1fr auto; gap: 1rem; align-items: center;
  background: #121b2c; border-radius: var(--radius); padding: .9rem 1rem; border: 1px solid var(--line-strong);
}
.lad.on { border-color: rgba(61,206,180,.6); }
.lad b { color: var(--gold-2); }
.news-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: .8rem; }
.news-main, .news-side article {
  display: grid; grid-template-columns: 148px 1fr; gap: .8rem; background: #121b2c;
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line-strong);
}
.news-side { display: grid; gap: .8rem; }
.news-main img, .news-side img { width: 100%; height: 100%; object-fit: cover; min-height: 120px; }
.news-copy { padding: .85rem .9rem .9rem .1rem; }
.news-copy time { color: var(--gold); font-size: .8rem; font-weight: 700; }
.news-copy h3 { font-size: 1.02rem; margin: .2rem 0; }
.news-copy p { margin: 0; color: var(--muted); }
.more-link { display: inline-flex; margin-top: 1rem; font-weight: 800; }
.guard {
  border-radius: 28px; padding: 1.3rem;
  background:
    linear-gradient(100deg, rgba(7,11,20,.88), rgba(7,11,20,.72)),
    url("/assets/images/59ad95b4baded5d8.webp") center/cover no-repeat;
  border: 1px solid var(--line);
}
.guard-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-top: 1rem; }
.guard-item { background: rgba(8,12,20,.72); border-radius: 16px; padding: .9rem; border: 1px solid rgba(255,255,255,.08); }
.guard-item i { color: var(--teal); }
.qa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.qa { background: #121b2c; border-radius: var(--radius); padding: 1rem 1.05rem; border: 1px solid var(--line-strong); }
.qa h3 { font-size: 1.02rem; margin: 0 0 .35rem; }
.qa p { margin: 0; color: var(--muted); }
.accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: transparent; display: grid; gap: .65rem; }
.accordion-item { background: #121b2c; border: 1px solid var(--line-strong) !important; border-radius: 16px !important; overflow: hidden; }
.accordion-button {
  background: #121b2c; color: var(--ink); font-weight: 700; box-shadow: none;
  padding: 1rem 1.05rem;
}
.accordion-button:not(.collapsed) { background: #1a2740; color: var(--gold-2); }
.accordion-button::after { filter: invert(1) sepia(1) saturate(3) hue-rotate(5deg); }
.accordion-body { color: var(--muted); padding-top: 0; }
.form-wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem; }
.form-panel, .slip {
  background: #121b2c; border: 1px solid var(--line); border-radius: 28px; padding: 1.15rem; box-shadow: var(--shadow);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.field { display: flex; flex-direction: column; gap: .3rem; }
.field.full { grid-column: 1 / -1; }
.field span { font-weight: 600; font-size: .9rem; }
.form-control, .form-select {
  background: #0c1422; color: var(--ink); border: 1px solid var(--line-strong); border-radius: 12px; min-height: 46px;
}
.form-control:focus, .form-select:focus { background: #0c1422; color: #fff; border-color: var(--gold); box-shadow: 0 0 0 .2rem rgba(230,177,90,.15); }
.form-check { color: var(--muted); }
.form-alert { min-height: 1.4rem; color: var(--rose); font-weight: 600; }
.slip h3 { margin-top: 0; }
.slip ul { margin: 0; padding-left: 1.1rem; color: var(--muted); }
.site-footer { padding: 2.4rem 0 1.4rem; border-top: 1px solid var(--line); background: #080d18; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 1.2rem; }
.site-footer h2 { font-size: 1rem; }
.site-footer a { display: inline-flex; margin: .15rem .7rem .15rem 0; color: var(--muted); }
.site-footer a:hover { color: var(--gold-2); }
.legal { margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.06); color: var(--faint); font-size: .88rem; }
.offcanvas { background: #101826; color: var(--ink); }
.offcanvas a { display: block; padding: .7rem 0; border-bottom: 1px solid rgba(255,255,255,.06); color: var(--ink); font-weight: 700; }
@media (max-width: 1024px) {
  .header-nav { display: none; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .hero-grid, .split, .demo-grid, .news-grid, .form-wrap, .foot-grid { grid-template-columns: 1fr; }
  .near-rail, .stat-band, .path, .guard-row { grid-template-columns: 1fr 1fr; }
  .matrix { grid-template-columns: 1fr 1fr; }
  .compare-row, .plan { grid-template-columns: 1fr 1fr; }
  .compare-row .cell:first-child { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  .header-cta .btn-ghost { display: none; }
  .brand-text small { display: none; }
  .qa-grid, .stuck-grid, .form-grid, .near-rail, .stat-band, .path, .guard-row, .matrix { grid-template-columns: 1fr; }
  .news-main, .news-side article, .lad { grid-template-columns: 1fr; }
  .news-copy { padding: .9rem 1rem 1rem; }
  .map-canvas { height: 250px; }
  .hero-actions .btn-gold, .hero-actions .btn-ghost { width: 100%; }
}
@media (max-width: 520px) {
  .shell { width: min(var(--max), calc(100% - 1.2rem)); }
  h1 { font-size: 1.72rem; }
  .header-cta { gap: .35rem; }
  .btn-gold, .btn-ghost { min-height: 42px; padding-inline: .75rem; font-size: .86rem; }
  .stat-band, .path, .near-rail { grid-template-columns: 1fr; }
  .pin span { display: none; }
  .photo-frame, .photo-frame img { min-height: 210px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
 --bg: #070b14;
 --bg-2: #101826;
 --bg-3: #172338;
 --ink: #f4f7fb;
 --muted: #b4c0d4;
 --faint: #8d9bb3;
 --line: rgba(228, 196, 140, .18);
 --line-strong: rgba(255, 255, 255, .12);
 --gold: #e6b15a;
 --gold-2: #f6e2bc;
 --gold-deep: #8a6230;
 --teal: #3dceb4;
 --rose: #ff8b9a;
 --ok: #7dcea0;
 --shadow: 0 22px 60px rgba(0, 0, 0, .38);
 --radius: 22px;
 --radius-sm: 14px;
 --space: clamp(3.2rem, 6vw, 5.4rem);
 --max: 1160px;
 --font: "Be Vietnam Pro", system-ui, sans-serif;
}
/* roulang page: iu-kin */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: var(--font);
 background: radial-gradient(1200px 500px at 80% -10%, rgba(230, 177, 90, .16), transparent 55%), var(--bg);
 color: var(--ink);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-2); text-decoration: none; }
a:hover { color: #fff; }
button, input, select, textarea { font-family: inherit; }
::selection { background: rgba(230, 177, 90, .35); color: #fff; }
.shell { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: rgba(7, 11, 20, .9);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid var(--line);
}
.header-main {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 1rem;
 min-height: 78px;
}
.brand { display: flex; align-items: center; gap: .8rem; color: var(--ink); min-width: 0; }
.brand-mark {
 width: 46px; height: 46px; flex: 0 0 46px;
 display: grid; place-items: center;
 border-radius: 15px;
 background: linear-gradient(160deg, #f0d7a4, #b8883e);
 color: #2a1c0a;
 font-weight: 800;
 box-shadow: 0 8px 20px rgba(230, 177, 90, .25);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-text strong { font-size: .98rem; letter-spacing: -.01em; white-space: nowrap; }
.brand-text small { color: var(--faint); font-size: .75rem; }
.header-cta { display: flex; gap: .6rem; align-items: center; }
.nav-toggle {
 display: none;
 border: 1px solid var(--line);
 background: #121b2c;
 color: var(--ink);
 border-radius: 12px;
 width: 46px; height: 46px;
 align-items: center;
 justify-content: center;
}
.nav-toggle:focus-visible, .btn-gold:focus-visible, .btn-ghost:focus-visible, .btn-line:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--gold-2);
 outline-offset: 3px;
}
.header-nav { border-top: 1px solid rgba(255,255,255,.05); }
.nav-list { display: flex; gap: .35rem; list-style: none; margin: 0; padding: .55rem 0; overflow: auto; }
.nav-list a {
 display: inline-flex; align-items: center; min-height: 38px;
 padding: .2rem .75rem; border-radius: 999px;
 color: var(--muted); font-weight: 600; font-size: .9rem; white-space: nowrap;
}
.nav-list a:hover { background: rgba(255,255,255,.05); color: #fff; }
.nav-list a.active { background: rgba(230,177,90,.16); color: var(--gold-2); }
.btn-gold, .btn-ghost, .btn-line {
 display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
 min-height: 46px; padding: .55rem 1.05rem; border-radius: 999px;
 font-weight: 700; border: 1px solid transparent; transition: .2s ease;
 cursor: pointer; text-align: center;
}
.btn-gold { background: linear-gradient(180deg, #f0cc86, #d09a3e); color: #2a1c0a; box-shadow: 0 10px 24px rgba(208,154,62,.25); }
.btn-gold:hover { color: #1a1206; transform: translateY(-1px); }
.btn-gold:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--gold-2); border-color: rgba(230,177,90,.45); }
.btn-ghost:hover { background: rgba(230,177,90,.1); color: #fff; }
.btn-line { background: #121b2c; color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover { border-color: var(--gold); color: #fff; }
.eyebrow {
 display: inline-flex; align-items: center; gap: .45rem;
 color: var(--gold-2); font-size: .82rem; font-weight: 700; letter-spacing: .04em;
 text-transform: uppercase;
}
.chip-row { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip {
 border: 1px solid var(--line); background: rgba(8,12,22,.55);
 color: var(--gold-2); border-radius: 999px; padding: .28rem .7rem; font-size: .82rem; font-weight: 600;
}
main { display: block; }
.section { padding: var(--space) 0; }
.lead { color: var(--muted); max-width: 78ch; margin-bottom: 1.3rem; }
h1, h2, h3 { line-height: 1.22; letter-spacing: -.02em; }
h1 { font-size: clamp(2rem, 4vw, 3.35rem); font-weight: 800; margin: .45rem 0 .8rem; }
h2 { font-size: clamp(1.45rem, 2.4vw, 2.1rem); margin: 0 0 .7rem; }
h3 { font-size: 1.08rem; margin: 0 0 .35rem; }
.page-mast {
 position: relative;
 padding: 2.6rem 0 2.2rem;
 background:
 linear-gradient(100deg, rgba(7,11,20,.92) 12%, rgba(7,11,20,.72) 58%, rgba(7,11,20,.55)),
 url("/assets/images/59ad95b4baded5d8.webp") center/cover no-repeat;
 border-bottom: 1px solid var(--line);
}
.mast-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 1.6rem; align-items: end; }
.crumb { display: flex; gap: .45rem; align-items: center; color: var(--faint); font-size: .86rem; margin-bottom: .8rem; }
.crumb a { color: var(--gold-2); }
.mast-photo {
 margin: 0;
 border-radius: var(--radius);
 overflow: hidden;
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
 background: #101826;
}
.mast-photo img { width: 100%; height: 360px; object-fit: cover; }
.mast-photo figcaption {
 display: flex; justify-content: space-between; gap: .8rem;
 padding: .8rem 1rem; color: var(--muted); font-size: .86rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.2rem 0 .2rem; }
.band { background: linear-gradient(180deg, rgba(16,24,38,.65), rgba(16,24,38,.2)); border-top: 1px solid rgba(255,255,255,.04); border-bottom: 1px solid rgba(255,255,255,.04); }
.stat-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.stat {
 background: rgba(18, 27, 44, .92);
 border: 1px solid var(--line-strong);
 border-radius: var(--radius);
 padding: 1.05rem 1rem 1.1rem;
 min-height: 148px;
}
.stat i { color: var(--gold); font-size: 1.05rem; }
.stat b { display: block; margin: .55rem 0 .15rem; font-size: 1.85rem; color: var(--gold-2); letter-spacing: -.03em; }
.stat span { color: var(--muted); font-size: .9rem; }
.section-head { display: flex; justify-content: space-between; gap: 1.2rem; align-items: end; margin-bottom: 1.2rem; }
.section-head p { margin: 0; color: var(--muted); max-width: 46ch; }
.cond-bento { display: grid; grid-template-columns: 1.35fr .85fr .85fr; grid-template-rows: auto auto; gap: .85rem; }
.cond-card {
 background: #121b2c;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius);
 padding: 1.1rem 1.15rem 1.15rem;
 min-height: 180px;
}
.cond-card.span {
 grid-row: span 2;
 background:
 linear-gradient(180deg, rgba(7,11,20,.15), rgba(7,11,20,.82)),
 url("/assets/images/0caeeaece9ffb63d.webp") center/cover no-repeat;
 display: flex; flex-direction: column; justify-content: flex-end;
 min-height: 420px;
}
.cond-card strong { display: block; font-size: 1.15rem; margin: .35rem 0; }
.cond-card p { margin: 0; color: var(--muted); }
.tag { align-self: flex-start; font-size: .75rem; font-weight: 700; color: #2a1c0a; background: var(--gold); border-radius: 999px; padding: .12rem .5rem; display: inline-block; }
.compare-board { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.panel {
 border-radius: var(--radius);
 padding: 1.2rem 1.2rem 1.05rem;
 background: #121b2c;
 border: 1px solid var(--line-strong);
}
.panel.ok { border-color: rgba(125, 206, 160, .45); }
.panel.hold { border-color: rgba(255, 139, 154, .45); }
.panel ul { list-style: none; margin: .8rem 0 0; padding: 0; display: grid; gap: .65rem; }
.panel li { display: flex; gap: .65rem; align-items: flex-start; color: var(--muted); }
.panel.ok i { color: var(--ok); margin-top: .25rem; }
.panel.hold i { color: var(--rose); margin-top: .25rem; }
.mile { display: grid; gap: 0; position: relative; }
.mile-item {
 display: grid;
 grid-template-columns: 92px 1fr;
 gap: 1rem;
 padding: 0 0 1.15rem;
}
.mile-mark {
 position: relative;
 color: var(--gold-2);
 font-weight: 800;
}
.mile-mark::after {
 content: "";
 position: absolute;
 left: 18px; top: 28px; bottom: -8px;
 width: 1px;
 background: linear-gradient(var(--gold), transparent);
}
.mile-item:last-child .mile-mark::after { display: none; }
.mile-body {
 background: rgba(18, 27, 44, .85);
 border: 1px solid var(--line-strong);
 border-radius: var(--radius-sm);
 padding: .9rem 1rem;
}
.mile-body p { margin: .2rem 0 0; color: var(--muted); }
.news-list { display: grid; gap: .85rem; }
.news-row {
 display: grid;
 grid-template-columns: 210px 1fr;
 gap: 1rem;
 align-items: center;
 background: #121b2c;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius);
 overflow: hidden;
 transition: .2s ease;
}
.news-row:hover { border-color: var(--gold); transform: translateY(-2px); box-shadow: var(--shadow); }
.news-row img { width: 100%; height: 140px; object-fit: cover; }
.news-copy { padding: .85rem 1rem .95rem 0; }
.news-copy span { color: var(--gold); font-size: .78rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.news-copy p { margin: .25rem 0 0; color: var(--muted); }
.assure {
 position: relative;
 background:
 linear-gradient(180deg, rgba(7,11,20,.82), rgba(7,11,20,.88)),
 url("/assets/images/a1751b0d2f3bb2ad.webp") center/cover no-repeat;
}
.assure-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 1.2rem; align-items: center; }
.assure-list { display: grid; gap: .7rem; }
.assure-item {
 display: grid; grid-template-columns: 46px 1fr; gap: .75rem; align-items: start;
 background: rgba(8, 12, 22, .72);
 border: 1px solid var(--line);
 border-radius: var(--radius-sm);
 padding: .85rem .9rem;
}
.assure-item i {
 width: 46px; height: 46px; display: grid; place-items: center;
 border-radius: 14px; background: rgba(230,177,90,.16); color: var(--gold-2);
}
.assure-item p { margin: .15rem 0 0; color: var(--muted); }
.faq-wrap .accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: var(--line-strong); --bs-accordion-btn-focus-box-shadow: 0 0 0 .2rem rgba(230,177,90,.25); }
.faq-wrap .accordion-item { background: #121b2c; color: var(--ink); border: 1px solid var(--line-strong); border-radius: var(--radius-sm) !important; overflow: hidden; margin-bottom: .7rem; }
.faq-wrap .accordion-button {
 background: #121b2c; color: var(--ink); font-weight: 700; box-shadow: none;
 padding: 1rem 1.1rem;
}
.faq-wrap .accordion-button:not(.collapsed) { background: #172338; color: var(--gold-2); }
.faq-wrap .accordion-button::after { filter: invert(1) sepia(1) saturate(2) hue-rotate(5deg); }
.faq-wrap .accordion-body { color: var(--muted); padding: 0 1.1rem 1rem; }
.ticket-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 1rem; align-items: stretch; }
.ticket-photo { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 100%; position: relative; }
.ticket-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.ticket-photo span {
 position: absolute; left: 1rem; bottom: 1rem; right: 1rem;
 background: rgba(7,11,20,.78); border: 1px solid var(--line); border-radius: var(--radius-sm);
 padding: .75rem .85rem; color: var(--gold-2); font-weight: 600;
}
.ticket-form {
 background: #121b2c;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius);
 padding: 1.2rem;
 box-shadow: var(--shadow);
}
.form-label { color: var(--gold-2); font-weight: 600; font-size: .9rem; }
.form-control, .form-select {
 background: #0d1524; color: var(--ink); border: 1px solid var(--line-strong);
 border-radius: 12px; min-height: 48px;
}
.form-control::placeholder { color: var(--faint); }
.form-control:focus, .form-select:focus {
 background: #0d1524; color: #fff; border-color: var(--gold);
 box-shadow: 0 0 0 .2rem rgba(230,177,90,.18);
}
.form-select option { color: #111; }
.check-line { display: flex; gap: .6rem; align-items: flex-start; color: var(--muted); font-size: .92rem; }
.check-line input { margin-top: .35rem; accent-color: var(--gold); }
.form-note {
 margin-top: .9rem; border-radius: var(--radius-sm); padding: .8rem .9rem;
 background: rgba(125, 206, 160, .12); color: var(--ok); border: 1px solid rgba(125, 206, 160, .35);
}
.site-footer { background: #0b1220; border-top: 1px solid var(--line); padding: 2.2rem 0 1.2rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 1.4rem; }
.site-footer h2 { font-size: 1.05rem; margin-bottom: .45rem; }
.site-footer p { color: var(--muted); margin: 0; }
.site-footer a { display: block; color: var(--muted); padding: .18rem 0; }
.site-footer a:hover { color: var(--gold-2); }
.legal { color: var(--faint); border-top: 1px solid rgba(255,255,255,.06); margin-top: 1.3rem; padding-top: .9rem; font-size: .88rem; }
@media (max-width: 1024px) {
 .mast-grid, .cond-bento, .assure-grid, .ticket-grid, .foot-grid { grid-template-columns: 1fr 1fr; }
 .cond-card.span { grid-row: auto; min-height: 280px; grid-column: span 2; }
 .stat-board { grid-template-columns: 1fr 1fr; }
 .mast-photo img { height: 280px; }
}
@media (max-width: 768px) {
 .nav-toggle { display: inline-flex; }
 .header-nav { display: none; }
 .header-nav.is-open { display: block; }
 .nav-list { flex-direction: column; padding-bottom: .8rem; }
 .header-cta .btn-ghost { display: none; }
 .mast-grid, .compare-board, .cond-bento, .assure-grid, .ticket-grid, .foot-grid, .news-row, .section-head { grid-template-columns: 1fr; display: grid; }
 .cond-card.span { grid-column: auto; }
 .news-copy { padding: 0 1rem 1rem; }
 .mile-item { grid-template-columns: 64px 1fr; }
 .brand-text small { display: none; }
}
@media (max-width: 520px) {
 .shell { width: min(var(--max), calc(100% - 1.2rem)); }
 .brand-text strong { white-space: normal; font-size: .84rem; }
 .header-main { min-height: 68px; }
 .stat-board { grid-template-columns: 1fr; }
 .btn-gold, .btn-line, .btn-ghost { width: 100%; }
 .hero-actions { flex-direction: column; }
 .mast-photo img, .ticket-photo img { min-height: 220px; height: 220px; }
 h1 { font-size: 1.85rem; }
}

/* roulang page: category2 */
:root {
  --bg: #070b14;
  --bg-2: #101826;
  --bg-3: #172338;
  --ink: #f4f7fb;
  --muted: #b4c0d4;
  --faint: #8d9bb3;
  --line: rgba(228, 196, 140, .18);
  --line-strong: rgba(255, 255, 255, .12);
  --gold: #e6b15a;
  --gold-2: #f6e2bc;
  --gold-deep: #8a6230;
  --teal: #3dceb4;
  --rose: #ff8b9a;
  --ok: #7dcea0;
  --shadow: 0 22px 60px rgba(0, 0, 0, .38);
  --radius: 22px;
  --radius-sm: 14px;
  --space: clamp(3.2rem, 6vw, 5.4rem);
  --max: 1160px;
  --font: "Be Vietnam Pro", system-ui, sans-serif;
}
/* roulang page: xc-minh */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 500px at 80% -10%, rgba(230, 177, 90, .16), transparent 55%), var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-2); text-decoration: none; }
a:hover { color: #fff; }
button, input, select, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--gold-2); outline-offset: 3px; }
.skip {
  position: absolute; left: -999px; top: 0;
}
.skip:focus {
  left: 1rem; top: 1rem; z-index: 80;
  background: var(--gold); color: #2a1c0a;
  padding: .5rem 1rem; border-radius: 999px; font-weight: 700;
}
.shell { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(7, 11, 20, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-main {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 78px;
}
.brand { display: flex; align-items: center; gap: .8rem; color: var(--ink); min-width: 0; }
.brand-mark {
  width: 46px; height: 46px; flex: 0 0 46px;
  display: grid; place-items: center; border-radius: 15px;
  background: linear-gradient(160deg, #f0d7a4, #b8883e);
  color: #2a1c0a; font-weight: 800;
  box-shadow: 0 8px 20px rgba(230, 177, 90, .25);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-text strong { font-size: .98rem; letter-spacing: -.01em; white-space: nowrap; }
.brand-text small { color: var(--faint); font-size: .75rem; }
.header-cta { display: flex; gap: .6rem; align-items: center; }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #121b2c;
  color: var(--ink); border-radius: 12px; width: 46px; height: 46px;
  place-items: center; cursor: pointer;
}
.header-nav { border-top: 1px solid rgba(255,255,255,.05); }
.nav-list { display: flex; gap: .35rem; list-style: none; margin: 0; padding: .55rem 0; overflow: auto; }
.nav-list a {
  display: inline-flex; align-items: center; min-height: 38px;
  padding: .2rem .75rem; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: .9rem; white-space: nowrap;
}
.nav-list a:hover { background: rgba(255,255,255,.05); color: #fff; }
.nav-list a.active { background: rgba(230,177,90,.16); color: var(--gold-2); }
.btn-gold, .btn-ghost, .btn-line {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-height: 46px; padding: .55rem 1.05rem; border-radius: 999px;
  font-weight: 700; border: 1px solid transparent; transition: .2s ease;
  cursor: pointer; text-align: center;
}
.btn-gold { background: linear-gradient(180deg, #f0cc86, #d09a3e); color: #2a1c0a; box-shadow: 0 10px 24px rgba(208,154,62,.25); }
.btn-gold:hover { color: #1a1206; transform: translateY(-1px); }
.btn-gold:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--gold-2); border-color: rgba(230,177,90,.45); }
.btn-ghost:hover { background: rgba(230,177,90,.1); color: #fff; }
.btn-line { background: #121b2c; color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover { border-color: var(--gold); color: #fff; }
.hero {
  position: relative; padding: 2.2rem 0 1.4rem;
  background:
    linear-gradient(180deg, rgba(7,11,20,.28), rgba(7,11,20,.88)),
    url("/assets/images/8ed993d44f04dfc7.webp") center/cover no-repeat;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1.4rem; align-items: stretch; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .45rem;
  color: var(--gold-2); font-size: .82rem; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase;
}
h1 { font-size: clamp(1.85rem, 4vw, 3.15rem); line-height: 1.15; letter-spacing: -.025em; margin: .4rem 0 .75rem; }
h2 { font-size: clamp(1.4rem, 2.5vw, 2rem); line-height: 1.25; letter-spacing: -.02em; margin: 0 0 .75rem; }
h3 { font-size: 1.05rem; line-height: 1.35; margin: 0 0 .35rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.2rem 0 1rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip {
  border: 1px solid var(--line); background: rgba(8,12,22,.55);
  color: var(--gold-2); border-radius: 999px; padding: .28rem .7rem;
  font-size: .82rem; font-weight: 600;
}
.near-card {
  text-align: left; color: var(--ink); cursor: pointer;
  background: rgba(16,24,38,.9); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  padding: .9rem 1rem; transition: .2s ease;
}
.near-card:hover { transform: translateY(-3px); border-color: var(--gold); box-shadow: var(--shadow); }
.near-card b { display: block; font-size: .98rem; }
.near-card span { color: var(--muted); font-size: .84rem; }
main { display: block; }
.section { padding: var(--space) 0; }
.band { background: rgba(16, 24, 38, .72); border-block: 1px solid rgba(255,255,255,.04); }
.lead { color: var(--muted); max-width: 72ch; margin-bottom: 1.3rem; }
.photo-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 280px; }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.issue-list { display: grid; gap: .7rem; }
.demo-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1.2rem; }
.stage { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #101826; box-shadow: var(--shadow); }
.stage img { width: 100%; height: 250px; object-fit: cover; }
.progress-card { padding: 1rem 1rem 1.1rem; }
.matrix a {
  display: flex; flex-direction: column; justify-content: space-between; gap: .8rem;
  min-height: 170px; padding: 1.05rem; border-radius: var(--radius);
  background: #121b2c; border: 1px solid var(--line-strong); color: var(--ink); transition: .2s ease;
}
.matrix a.wide {
  background:
    linear-gradient(120deg, rgba(7,11,20,.2), rgba(7,11,20,.78)),
    url("/assets/images/dd1c11795714a4dd.webp") center/cover no-repeat;
}
.matrix a:hover { transform: translateY(-3px); border-color: var(--gold); color: #fff; box-shadow: var(--shadow); }
.tag { align-self: flex-start; font-size: .75rem; font-weight: 700; color: #2a1c0a; background: var(--gold); border-radius: 999px; padding: .12rem .5rem; }
.shot img { height: 170px; width: 100%; object-fit: cover; }
.compare-row, .plan { display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); gap: .55rem; align-items: stretch; }
.stuck-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem 1rem; }
.path a {
  background: #121b2c; border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 1rem; color: var(--ink); min-height: 150px; position: relative; display: block;
}
.path a:hover { border-color: var(--gold); color: #fff; transform: translateY(-2px); }
.ver-hero {
  position: relative;
  padding: 2.5rem 0 2.2rem;
  background:
    linear-gradient(100deg, rgba(7,11,20,.94) 0%, rgba(7,11,20,.82) 46%, rgba(7,11,20,.62) 100%),
    url("/assets/images/59ad95b4baded5d8.webp") center/cover no-repeat;
}
.ver-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 1.4rem; align-items: stretch; }
.crumb { display: flex; gap: .45rem; align-items: center; color: var(--faint); font-size: .84rem; margin-bottom: .7rem; }
.crumb span[aria-hidden] { color: var(--gold); }
.fact-row { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; margin-top: 1rem; }
.fact-row article {
  background: rgba(8,12,22,.55); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .85rem .9rem;
}
.fact-row i { color: var(--gold); margin-right: .35rem; }
.fact-row p { margin: .2rem 0 0; color: var(--muted); font-size: .9rem; }
.console {
  background: rgba(16,24,38,.92); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
}
.console-top { display: flex; justify-content: space-between; gap: .8rem; align-items: center; padding: .95rem 1rem .4rem; }
.console-top strong { font-size: 1rem; }
.pill { font-size: .75rem; font-weight: 800; color: #2a1c0a; background: var(--gold); border-radius: 999px; padding: .18rem .55rem; }
.mini-shot img { width: 100%; height: 168px; object-fit: cover; }
.status-row {
  display: flex; justify-content: space-between; gap: .8rem; align-items: center;
  padding: .78rem 1rem; border-top: 1px solid var(--line-strong);
}
.status-row b { display: block; font-size: .94rem; }
.status-row small { color: var(--faint); }
.state { color: var(--gold-2); font-weight: 700; font-size: .84rem; white-space: nowrap; }
.console-foot { padding: .8rem 1rem 1rem; color: var(--muted); font-size: .86rem; }
.metric-head { display: flex; justify-content: space-between; gap: 1rem; align-items: end; margin-bottom: 1rem; }
.metric-head p { margin: 0; color: var(--muted); max-width: 46ch; }
.metric-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #121b2c; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.metric-bar article { padding: 1.15rem 1rem 1.2rem; border-right: 1px solid var(--line); }
.metric-bar article:last-child { border-right: 0; }
.metric-bar span { color: var(--faint); font-size: .8rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; }
.metric-bar strong { display: block; margin: .25rem 0; font-size: clamp(1.45rem, 2vw, 1.9rem); color: var(--gold-2); line-height: 1.1; }
.metric-bar p { margin: 0; color: var(--muted); font-size: .9rem; }
.rail-wrap { display: grid; grid-template-columns: 1.45fr .7fr; gap: 1rem; align-items: stretch; }
.rail { display: grid; grid-template-columns: repeat(5, 1fr); gap: .7rem; position: relative; }
.rail::before {
  content: ""; position: absolute; top: 22px; left: 6%; right: 6%; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--teal));
}
.step {
  position: relative; background: #121b2c; border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm); padding: 1rem .8rem .9rem; min-height: 180px;
}
.step:hover { border-color: var(--gold); transform: translateY(-3px); transition: .2s ease; }
.num {
  width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%;
  background: #2a1c0a; color: var(--gold-2); border: 2px solid var(--gold); font-weight: 800;
  position: relative; z-index: 1; margin-bottom: .7rem;
}
.step p { margin: 0; color: var(--muted); font-size: .9rem; }
.side-note {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #101826;
  display: flex; flex-direction: column;
}
.side-note img { width: 100%; height: 210px; object-fit: cover; }
.side-note div { padding: 1rem; }
.side-note p { margin: 0; color: var(--muted); }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 1.2rem; align-items: center; }
.issue {
  display: grid; grid-template-columns: auto 1fr; gap: .15rem .75rem; align-items: start;
  background: #121b2c; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: .85rem .95rem;
}
.issue i { color: var(--rose); margin-top: .25rem; }
.issue b { display: block; }
.issue span { color: var(--muted); font-size: .9rem; }
.cmp-head, .cmp-row { display: grid; grid-template-columns: .9fr 1fr 1fr; gap: .7rem; align-items: center; }
.cmp-head { padding: 0 .4rem .4rem; }
.cmp-head span { color: var(--faint); font-size: .76rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.cmp-row {
  background: #121b2c; border: 1px solid var(--line-strong); border-radius: 16px;
  padding: .9rem 1rem; margin-top: .55rem; transition: .2s ease;
}
.cmp-row:hover { border-color: var(--gold); box-shadow: var(--shadow); }
.cmp-row p { margin: 0; color: var(--muted); }
.cmp-row em {
  display: inline-flex; font-style: normal; font-size: .72rem; font-weight: 800;
  border-radius: 999px; padding: .05rem .45rem; margin-right: .35rem;
}
.em-ok { background: rgba(125,206,160,.16); color: var(--ok); }
.em-bad { background: rgba(255,139,154,.14); color: var(--rose); }
.bento { display: grid; grid-template-columns: 1.25fr .85fr; grid-template-rows: auto auto; gap: .8rem; }
.shot-card { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 100%; }
.shot-card img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
.cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 2.4rem 1rem 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,.82));
}
.cap p { margin: .25rem 0 0; color: #e7edf6; }
.info-card, .wide-card {
  background: #121b2c; border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 1rem 1.05rem;
}
.info-card:hover, .wide-card:hover { border-color: var(--gold); }
.info-card p, .wide-card p { margin: 0; color: var(--muted); }
.stack { display: grid; gap: .8rem; }
.badge-gold, .badge-teal {
  display: inline-flex; align-items: center; gap: .3rem; border-radius: 999px;
  font-size: .75rem; font-weight: 800; padding: .12rem .5rem; margin-bottom: .45rem;
}
.badge-gold { background: rgba(230,177,90,.16); color: var(--gold-2); }
.badge-teal { background: rgba(61,206,180,.14); color: var(--teal); }
.wide-card { grid-column: 1 / -1; display: grid; grid-template-columns: 180px 1fr; gap: 1rem; align-items: center; }
.wide-card img { width: 180px; height: 112px; object-fit: cover; border-radius: 14px; }
.window-list { display: grid; gap: .7rem; }
.window-item {
  display: grid; grid-template-columns: 168px 1fr auto; gap: 1rem; align-items: center;
  background: #121b2c; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: .9rem 1rem;
}
.window-item:hover { border-color: var(--gold); }
.window-item time { color: var(--gold-2); font-weight: 800; }
.window-item p { margin: 0; color: var(--muted); }
.outcome { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: var(--line); --bs-accordion-btn-focus-box-shadow: 0 0 0 .2rem rgba(230,177,90,.2); }
.accordion-item { background: #121b2c; border: 1px solid var(--line) !important; border-radius: 16px !important; overflow: hidden; margin-bottom: .65rem; }
.accordion-button {
  background: #121b2c; color: var(--ink); font-weight: 700; box-shadow: none;
}
.accordion-button:not(.collapsed) { background: #172338; color: var(--gold-2); }
.accordion-button::after { filter: invert(1) grayscale(1) brightness(1.6); }
.accordion-body { color: var(--muted); background: #101826; }
.cta-band {
  background:
    linear-gradient(180deg, rgba(7,11,20,.9), rgba(7,11,20,.94)),
    url("/assets/images/41964d401d28119a.jpg") center/cover no-repeat;
}
.form-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem; align-items: stretch; }
.form-panel, .assure {
  background: rgba(16,24,38,.94); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.15rem;
}
.form-label { color: var(--gold-2); font-weight: 650; font-size: .9rem; }
.form-control, .form-select {
  background: #0c1422; border: 1px solid var(--line-strong); color: var(--ink);
  border-radius: 12px; min-height: 48px; color-scheme: dark;
}
.form-control:focus, .form-select:focus {
  background: #0c1422; color: #fff; border-color: var(--gold);
  box-shadow: 0 0 0 .2rem rgba(230,177,90,.16);
}
.form-check-input { background-color: #0c1422; border-color: var(--line-strong); }
.form-check-input:checked { background-color: #d09a3e; border-color: #d09a3e; }
.form-text { color: var(--faint); }
.assure img { width: 100%; height: 180px; object-fit: cover; border-radius: 16px; margin-bottom: .85rem; }
.assure li { margin: .45rem 0; color: var(--muted); }
.assure ul { margin: 0; padding-left: 1.1rem; }
.note-ok {
  margin-top: .8rem; border: 1px solid rgba(125,206,160,.4); background: rgba(125,206,160,.08);
  color: var(--ink); border-radius: 14px; padding: .8rem .9rem;
}
.site-footer { background: #080d18; border-top: 1px solid var(--line); padding: 2.4rem 0 1.2rem; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 1.4rem; }
.site-footer h2 { font-size: 1.05rem; color: var(--ink); margin: 0 0 .6rem; }
.site-footer a { display: block; color: var(--gold-2); margin: .25rem 0; }
.site-footer a:hover { color: #fff; }
.legal { margin-top: 1.2rem; padding-top: .9rem; border-top: 1px solid var(--line-strong); color: var(--faint); font-size: .86rem; }
@media (max-width: 1024px) {
  .ver-grid, .rail-wrap, .split, .bento, .form-grid, .hero-grid, .demo-grid { grid-template-columns: 1fr; }
  .rail { grid-template-columns: 1fr 1fr; }
  .rail::before { display: none; }
  .metric-bar { grid-template-columns: 1fr 1fr; }
  .metric-bar article:nth-child(2) { border-right: 0; }
  .wide-card { grid-template-columns: 1fr; }
  .wide-card img { width: 100%; height: 160px; }
  .shot-card img { min-height: 240px; }
  .bento { grid-template-rows: auto; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-grid; }
  .header-nav { display: none; }
  .header-nav.is-open { display: block; background: #0c1422; }
  .nav-list { flex-direction: column; padding-bottom: .8rem; }
  .header-cta .btn-ghost { display: none; }
  .brand-text strong { white-space: normal; max-width: 48vw; }
  .metric-head, .window-item, .cmp-head, .cmp-row, .fact-row { grid-template-columns: 1fr; }
  .cmp-head { display: none; }
  .foot-grid { grid-template-columns: 1fr; }
  .header-main { min-height: 68px; }
}
@media (max-width: 520px) {
  .shell { width: min(var(--max), calc(100% - 1.2rem)); }
  .rail, .metric-bar { grid-template-columns: 1fr; }
  .metric-bar article { border-right: 0; border-bottom: 1px solid var(--line); }
  .brand-text small { display: none; }
  .btn-gold, .btn-ghost, .btn-line { min-height: 42px; padding: .45rem .85rem; }
  h1 { font-size: 1.7rem; }
}

/* roulang page: category3 */
:root {
 --bg: #070b14;
 --bg-2: #101826;
 --bg-3: #172338;
 --ink: #f4f7fb;
 --muted: #b4c0d4;
 --faint: #8d9bb3;
 --line: rgba(228, 196, 140, .18);
 --line-strong: rgba(255, 255, 255, .12);
 --gold: #e6b15a;
 --gold-2: #f6e2bc;
 --gold-deep: #8a6230;
 --teal: #3dceb4;
 --rose: #ff8b9a;
 --ok: #7dcea0;
 --shadow: 0 22px 60px rgba(0, 0, 0, .38);
 --radius: 22px;
 --radius-sm: 14px;
 --space: clamp(3.2rem, 6vw, 5.4rem);
 --max: 1160px;
 --font: "Be Vietnam Pro", system-ui, sans-serif;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: var(--font);
 background: radial-gradient(1200px 500px at 80% -10%, rgba(230, 177, 90, .16), transparent 55%), var(--bg);
 color: var(--ink);
 line-height: 1.7;
 font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-2); text-decoration: none; }
a:hover { color: #fff; }
button, input, select, textarea { font-family: inherit; }
:focus-visible { outline: 3px solid rgba(230, 177, 90, .55); outline-offset: 2px; }
.shell { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: rgba(7, 11, 20, .9);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid var(--line);
}
.header-main {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 1rem;
 min-height: 78px;
}
.brand { display: flex; align-items: center; gap: .8rem; color: var(--ink); min-width: 0; }
.brand-mark {
 width: 46px; height: 46px; flex: 0 0 46px;
 display: grid; place-items: center;
 border-radius: 15px;
 background: linear-gradient(160deg, #f0d7a4, #b8883e);
 color: #2a1c0a;
 font-weight: 800;
 box-shadow: 0 8px 20px rgba(230, 177, 90, .25);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-text strong { font-size: .98rem; letter-spacing: -.01em; }
.brand-text small { color: var(--faint); font-size: .75rem; }
.header-cta { display: flex; gap: .6rem; align-items: center; }
.nav-toggle {
 display: none;
 border: 1px solid var(--line);
 background: #121b2c;
 color: var(--ink);
 border-radius: 12px;
 width: 46px; height: 46px;
}
.header-nav { border-top: 1px solid rgba(255,255,255,.05); }
.nav-list { display: flex; gap: .35rem; list-style: none; margin: 0; padding: .55rem 0; overflow: auto; }
.nav-list a {
 display: inline-flex; align-items: center; min-height: 38px;
 padding: .2rem .75rem; border-radius: 999px;
 color: var(--muted); font-weight: 600; font-size: .9rem; white-space: nowrap;
}
.nav-list a:hover { background: rgba(255,255,255,.05); color: #fff; }
.nav-list a.active { background: rgba(230,177,90,.16); color: var(--gold-2); }
.btn-gold, .btn-ghost, .btn-line {
 display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
 min-height: 46px; padding: .55rem 1.05rem; border-radius: 999px;
 font-weight: 700; border: 1px solid transparent; transition: .2s ease;
 cursor: pointer; text-align: center;
}
.btn-gold { background: linear-gradient(180deg, #f0cc86, #d09a3e); color: #2a1c0a; box-shadow: 0 10px 24px rgba(208,154,62,.25); }
.btn-gold:hover { color: #1a1206; transform: translateY(-1px); }
.btn-gold:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--gold-2); border-color: rgba(230,177,90,.45); }
.btn-ghost:hover { background: rgba(230,177,90,.1); color: #fff; }
.btn-line { background: #121b2c; color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover { border-color: var(--gold); color: #fff; }
.eyebrow {
 display: inline-flex; align-items: center; gap: .45rem;
 color: var(--gold-2); font-size: .82rem; font-weight: 700; letter-spacing: .04em;
 text-transform: uppercase;
}
.chip-row { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip {
 border: 1px solid var(--line); background: rgba(8,12,22,.55);
 color: var(--gold-2); border-radius: 999px; padding: .28rem .7rem; font-size: .82rem; font-weight: 600;
}
main { display: block; }
.section { padding: var(--space) 0; }
.lead { color: var(--muted); max-width: 78ch; margin-bottom: 1.3rem; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.15; letter-spacing: -.03em; font-weight: 800; }
h2 { font-size: clamp(1.45rem, 2.4vw, 2.05rem); line-height: 1.25; letter-spacing: -.02em; margin-bottom: .7rem; }
h3 { font-size: 1.08rem; line-height: 1.35; margin-bottom: .35rem; }
.page-hero {
 position: relative;
 padding: 2.4rem 0 2rem;
 background:
 linear-gradient(100deg, rgba(7,11,20,.92) 0%, rgba(7,11,20,.78) 48%, rgba(7,11,20,.55) 100%),
 url("/assets/images/59ad95b4baded5d8.webp") center/cover no-repeat;
}
.hero-split { display: grid; grid-template-columns: 1.12fr .88fr; gap: 1.5rem; align-items: stretch; }
.hero-copy p { color: var(--muted); font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.15rem 0 1rem; }
.dossier {
 background: rgba(16,24,38,.92);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 overflow: hidden;
 box-shadow: var(--shadow);
}
.dossier img { width: 100%; height: 210px; object-fit: cover; }
.dossier-body { padding: 1rem 1.05rem 1.15rem; display: grid; gap: .65rem; }
.spec-line {
 display: flex; justify-content: space-between; gap: 1rem;
 padding-bottom: .55rem; border-bottom: 1px solid rgba(255,255,255,.06);
}
.spec-line span { color: var(--faint); font-size: .86rem; }
.spec-line b { font-weight: 700; text-align: right; }
.metric-rail { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: .75rem; }
.metric {
 background: var(--bg-2);
 border: 1px solid var(--line-strong);
 border-radius: var(--radius);
 padding: 1.05rem 1rem 1.1rem;
 min-height: 148px;
}
.metric.lead-metric {
 background:
 linear-gradient(160deg, rgba(7,11,20,.2), rgba(7,11,20,.82)),
 url("/assets/images/a1751b0d2f3bb2ad.webp") center/cover no-repeat;
}
.metric b { display: block; font-size: clamp(1.5rem, 2.5vw, 2rem); color: var(--gold-2); letter-spacing: -.03em; line-height: 1.1; }
.metric span { display: block; color: var(--muted); margin-top: .45rem; }
.section-alt { background: linear-gradient(180deg, rgba(16,24,38,.65), rgba(7,11,20,0)); }
.channel-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 1.2rem; align-items: stretch; }
.photo-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 100%; box-shadow: var(--shadow); }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
.channel-list { display: grid; gap: .75rem; }
.channel {
 display: grid; grid-template-columns: auto 1fr auto; gap: .9rem; align-items: center;
 background: #121b2c; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
 padding: .95rem 1rem; transition: .2s ease;
}
.channel:hover { transform: translateY(-2px); border-color: var(--gold); box-shadow: var(--shadow); }
.channel i {
 width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px;
 background: rgba(230,177,90,.14); color: var(--gold-2);
}
.channel p { margin: 0; color: var(--muted); font-size: .92rem; }
.tag { display: inline-flex; align-self: center; font-size: .75rem; font-weight: 700; color: #2a1c0a; background: var(--gold); border-radius: 999px; padding: .16rem .55rem; white-space: nowrap; }
.band-wrap { display: grid; gap: .7rem; }
.band {
 display: grid; grid-template-columns: 210px 1fr 180px; gap: 1rem; align-items: center;
 background: rgba(18,27,44,.92); border: 1px solid var(--line-strong); border-radius: var(--radius);
 padding: 1rem 1.1rem;
}
.band strong { font-size: 1.35rem; color: var(--gold-2); letter-spacing: -.02em; }
.band p { margin: 0; color: var(--muted); }
.band em { font-style: normal; color: var(--teal); font-weight: 700; font-size: .92rem; }
.mile { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.mile li {
 display: grid; grid-template-columns: 86px 1fr; gap: 1rem;
 padding: 0 0 1.15rem;
}
.mile-index {
 width: 64px; height: 64px; border-radius: 20px;
 display: grid; place-items: center; font-weight: 800; color: #2a1c0a;
 background: linear-gradient(180deg, #f0cc86, #d09a3e);
 position: relative;
}
.mile li:not(:last-child) .mile-index::after {
 content: ""; position: absolute; top: 70px; bottom: -28px; left: 50%; width: 2px;
 background: linear-gradient(var(--gold), rgba(230,177,90,.05));
}
.mile h3 { margin-bottom: .2rem; }
.mile p { margin: 0; color: var(--muted); }
.state-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: .8rem; }
.state {
 border-radius: var(--radius); padding: 1.15rem 1.15rem 1.2rem; border: 1px solid var(--line-strong);
 background: #121b2c; min-height: 220px;
}
.state.ok { background: linear-gradient(180deg, rgba(61,206,180,.16), #121b2c 42%); }
.state.wait { background: #172338; }
.state.stop { background: linear-gradient(180deg, rgba(255,139,154,.16), #121b2c 46%); }
.state .badge-soft { display: inline-flex; border-radius: 999px; padding: .15rem .55rem; font-size: .78rem; font-weight: 700; margin-bottom: .7rem; }
.ok .badge-soft { background: rgba(125,206,160,.18); color: var(--ok); }
.wait .badge-soft { background: rgba(230,177,90,.16); color: var(--gold-2); }
.stop .badge-soft { background: rgba(255,139,154,.16); color: var(--rose); }
.state p { color: var(--muted); margin-bottom: 0; }
.assure-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1.2rem; align-items: center; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .65rem; }
.check-list li {
 display: flex; gap: .7rem; align-items: flex-start;
 background: rgba(18,27,44,.8); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .8rem .9rem;
}
.check-list i { color: var(--teal); margin-top: .25rem; }
.shot { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.shot img { width: 100%; height: 360px; object-fit: cover; }
.faq-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1.1rem; align-items: start; }
.accordion-item { background: #121b2c; border: 1px solid var(--line-strong); border-radius: 16px !important; overflow: hidden; margin-bottom: .65rem; }
.accordion-button {
 background: #121b2c; color: var(--ink); font-weight: 700; box-shadow: none; gap: .6rem;
}
.accordion-button:not(.collapsed) { background: #172338; color: var(--gold-2); }
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(230,177,90,.28); }
.accordion-button::after { filter: invert(1) sepia(1) saturate(3) hue-rotate(5deg); }
.accordion-body { background: #101826; color: var(--muted); }
.form-card {
 background: #121b2c; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.15rem;
 box-shadow: var(--shadow);
}
.form-card label { font-weight: 600; font-size: .9rem; margin-bottom: .3rem; }
.form-control, .form-select {
 background: #0d1524; border: 1px solid var(--line-strong); color: var(--ink);
 border-radius: 12px; min-height: 48px;
}
.form-control:focus, .form-select:focus {
 background: #0d1524; color: #fff; border-color: var(--gold);
 box-shadow: 0 0 0 3px rgba(230,177,90,.25);
}
.form-select option { color: #111; }
.form-note { color: var(--faint); font-size: .86rem; }
.form-status { display: none; margin-top: .8rem; border-radius: 12px; padding: .7rem .8rem; background: rgba(125,206,160,.12); color: var(--ok); }
.form-status.show { display: block; }
.site-footer { background: #05080f; border-top: 1px solid var(--line); padding: 2.4rem 0 1.2rem; margin-top: 0; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 1.4rem; }
.site-footer h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
.site-footer a, .site-footer p { display: block; color: var(--muted); margin: .25rem 0; }
.site-footer a:hover { color: #fff; }
.legal { margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--line-strong); color: var(--faint); font-size: .86rem; }
@media (max-width: 1024px) {
 .hero-split, .channel-layout, .assure-grid, .faq-grid, .metric-rail, .state-grid { grid-template-columns: 1fr 1fr; }
 .metric.lead-metric { grid-column: 1 / -1; }
 .state-grid { grid-template-columns: 1fr; }
 .band { grid-template-columns: 160px 1fr; }
 .band em { grid-column: 2; }
}
@media (max-width: 768px) {
 .nav-toggle { display: grid; place-items: center; }
 .header-nav { display: none; }
 .site-header.nav-open .header-nav { display: block; }
 .nav-list { flex-direction: column; padding-bottom: .8rem; }
 .header-cta .btn-ghost { display: none; }
 .hero-split, .channel-layout, .assure-grid, .faq-grid, .metric-rail, .foot-grid, .band { grid-template-columns: 1fr; }
 .band em { grid-column: auto; }
 .photo-frame img, .shot img, .dossier img { min-height: 220px; height: 240px; }
}
@media (max-width: 520px) {
 .shell { width: min(var(--max), calc(100% - 1.2rem)); }
 .header-main { min-height: 68px; }
 .brand-text strong { font-size: .88rem; }
 .header-cta .btn-gold { min-height: 40px; padding-inline: .8rem; }
 .hero-actions .btn-gold, .hero-actions .btn-ghost, .form-card .btn-gold { width: 100%; }
 .mile { }
 .mile li { grid-template-columns: 68px 1fr; gap: .7rem; }
 .mile-index { width: 52px; height: 52px; border-radius: 16px; }
 .channel { grid-template-columns: auto 1fr; }
 .channel .tag { grid-column: 2; justify-self: start; }
}

/* roulang page: category4 */
:root {
 --bg: #070b14;
 --bg-2: #101826;
 --bg-3: #172338;
 --ink: #f4f7fb;
 --muted: #b4c0d4;
 --faint: #8d9bb3;
 --line: rgba(228, 196, 140, .18);
 --line-strong: rgba(255, 255, 255, .12);
 --gold: #e6b15a;
 --gold-2: #f6e2bc;
 --gold-deep: #8a6230;
 --teal: #3dceb4;
 --rose: #ff8b9a;
 --ok: #7dcea0;
 --shadow: 0 22px 60px rgba(0, 0, 0, .38);
 --radius: 22px;
 --radius-sm: 14px;
 --space: clamp(3.2rem, 6vw, 5.4rem);
 --max: 1160px;
 --font: "Be Vietnam Pro", system-ui, sans-serif;
}
/* roulang page: category4 */
:root {
 --bg: #070b14;
 --bg-2: #101826;
 --bg-3: #172338;
 --ink: #f4f7fb;
 --muted: #b4c0d4;
 --faint: #8d9bb3;
 --line: rgba(228, 196, 140, .18);
 --line-strong: rgba(255, 255, 255, .12);
 --gold: #e6b15a;
 --gold-2: #f6e2bc;
 --gold-deep: #8a6230;
 --teal: #3dceb4;
 --rose: #ff8b9a;
 --ok: #7dcea0;
 --shadow: 0 22px 60px rgba(0, 0, 0, .38);
 --radius: 22px;
 --radius-sm: 14px;
 --space: clamp(3.2rem, 6vw, 5.4rem);
 --max: 1160px;
 --font: "Be Vietnam Pro", system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: var(--font);
 background: radial-gradient(1200px 500px at 80% -10%, rgba(230, 177, 90, .16), transparent 55%), var(--bg);
 color: var(--ink);
 line-height: 1.7;
 font-size: 16px;
 overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-2); text-decoration: none; }
a:hover { color: #fff; }
button, input, select, textarea { font-family: inherit; }
p { margin: 0 0 .8rem; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.02em; margin: 0 0 .7rem; }
h1 { font-size: clamp(2rem, 4.2vw, 3.35rem); font-weight: 800; }
h2 { font-size: clamp(1.45rem, 2.5vw, 2.05rem); font-weight: 800; }
h3 { font-size: 1.05rem; font-weight: 700; }
::selection { background: rgba(230, 177, 90, .35); color: #fff; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--gold);
 outline-offset: 2px;
}
.shell {
 width: min(var(--max), calc(100% - 2rem));
 margin-inline: auto;
}
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: rgba(7, 11, 20, .9);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid var(--line);
}
.header-main {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 1rem;
 min-height: 78px;
}
.brand { display: flex; align-items: center; gap: .8rem; color: var(--ink); min-width: 0; }
.brand-mark {
 width: 46px; height: 46px; flex: 0 0 46px;
 display: grid; place-items: center;
 border-radius: 15px;
 background: linear-gradient(160deg, #f0d7a4, #b8883e);
 color: #2a1c0a;
 font-weight: 800;
 box-shadow: 0 8px 20px rgba(230, 177, 90, .25);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-text strong { font-size: .98rem; letter-spacing: -.01em; white-space: nowrap; }
.brand-text small { color: var(--faint); font-size: .75rem; }
.header-cta { display: flex; gap: .6rem; align-items: center; }
.nav-toggle {
 display: none;
 border: 1px solid var(--line);
 background: #121b2c;
 color: var(--ink);
 border-radius: 12px;
 width: 46px; height: 46px;
 align-items: center;
 justify-content: center;
}
.nav-toggle:hover { border-color: var(--gold); color: #fff; }
.header-nav { border-top: 1px solid rgba(255,255,255,.05); }
.nav-list { display: flex; gap: .35rem; list-style: none; margin: 0; padding: .55rem 0; overflow: auto; }
.nav-list a {
 display: inline-flex; align-items: center; min-height: 38px;
 padding: .2rem .75rem; border-radius: 999px;
 color: var(--muted); font-weight: 600; font-size: .9rem; white-space: nowrap;
}
.nav-list a:hover { background: rgba(255,255,255,.05); color: #fff; }
.nav-list a.active { background: rgba(230,177,90,.16); color: var(--gold-2); }
.btn-gold, .btn-ghost, .btn-line {
 display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
 min-height: 46px; padding: .55rem 1.05rem; border-radius: 999px;
 font-weight: 700; border: 1px solid transparent; transition: .2s ease;
 cursor: pointer; text-align: center;
}
.btn-gold { background: linear-gradient(180deg, #f0cc86, #d09a3e); color: #2a1c0a; box-shadow: 0 10px 24px rgba(208,154,62,.25); }
.btn-gold:hover { color: #1a1206; transform: translateY(-1px); }
.btn-gold:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--gold-2); border-color: rgba(230,177,90,.45); }
.btn-ghost:hover { background: rgba(230,177,90,.1); color: #fff; }
.btn-line { background: #121b2c; color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover { border-color: var(--gold); color: #fff; }
.hero {
 position: relative;
 padding: 2.4rem 0 2.2rem;
 background:
 linear-gradient(100deg, rgba(7,11,20,.92) 0%, rgba(7,11,20,.8) 52%, rgba(7,11,20,.58) 100%),
 url("/assets/images/bf0faade1813bd28.jpg") center/cover no-repeat;
}
.eyebrow {
 display: inline-flex; align-items: center; gap: .45rem;
 color: var(--gold-2); font-size: .82rem; font-weight: 700; letter-spacing: .04em;
 text-transform: uppercase;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.2rem 0 1rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip {
 border: 1px solid var(--line); background: rgba(8,12,22,.55);
 color: var(--gold-2); border-radius: 999px; padding: .28rem .7rem; font-size: .82rem; font-weight: 600;
}
.near-card {
 text-align: left; color: var(--ink); cursor: pointer;
 background: rgba(16,24,38,.9); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
 padding: .9rem 1rem; transition: .2s ease;
}
.near-card:hover { transform: translateY(-3px); border-color: var(--gold); box-shadow: var(--shadow); }
.near-card b { display: block; font-size: .98rem; }
.near-card span { color: var(--muted); font-size: .84rem; }
main { display: block; }
.section { padding: var(--space) 0; }
.lead { color: var(--muted); max-width: 78ch; margin-bottom: 1.3rem; }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.issue-list { display: grid; gap: .7rem; }
.demo-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1.2rem; }
.stage { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #101826; box-shadow: var(--shadow); }
.stage img { width: 100%; height: 250px; object-fit: cover; }
.progress-card { padding: 1rem 1rem 1.1rem; }
.matrix a {
 display: flex; flex-direction: column; justify-content: space-between; gap: .8rem;
 min-height: 170px; padding: 1.05rem; border-radius: var(--radius);
 background: #121b2c; border: 1px solid var(--line-strong); color: var(--ink);
 transition: .2s ease;
}
.matrix a.wide { background:
 linear-gradient(120deg, rgba(7,11,20,.2), rgba(7,11,20,.78)),
 url("/assets/images/dd1c11795714a4dd.webp") center/cover no-repeat;
}
.matrix a:hover { transform: translateY(-3px); border-color: var(--gold); color: #fff; box-shadow: var(--shadow); }
.tag { align-self: flex-start; font-size: .75rem; font-weight: 700; color: #2a1c0a; background: var(--gold); border-radius: 999px; padding: .12rem .5rem; }
.shot img { height: 170px; width: 100%; object-fit: cover; }
.compare-row, .plan {
 display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); gap: .55rem; align-items: stretch;
}
.stuck-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem 1rem; }
.path a {
 background: #121b2c; border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 1rem;
 color: var(--ink); min-height: 150px; position: relative;
}
.path a:hover { border-color: var(--gold); color: #fff; }
.kicker {
 color: var(--gold);
 font-weight: 700;
 font-size: .78rem;
 letter-spacing: .08em;
 text-transform: uppercase;
 margin-bottom: .35rem;
}
.section-head { max-width: 760px; margin-bottom: 1.35rem; }
.band-alt {
 background: rgba(16, 24, 38, .72);
 border-top: 1px solid rgba(255,255,255,.04);
 border-bottom: 1px solid rgba(255,255,255,.04);
}
.crumb { color: var(--faint); font-size: .86rem; margin-bottom: .8rem; }
.crumb a { color: var(--gold-2); }
.dossier {
 background: rgba(16, 24, 38, .92);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 overflow: hidden;
 height: 100%;
}
.dossier img { width: 100%; height: 210px; object-fit: cover; }
.dossier-body { padding: 1rem 1rem 1.15rem; }
.spec-list { list-style: none; margin: .8rem 0 0; padding: 0; display: grid; gap: .5rem; }
.spec-list li {
 display: flex; gap: .6rem; align-items: flex-start;
 color: var(--muted);
 background: rgba(255,255,255,.03);
 border: 1px solid var(--line);
 border-radius: 12px;
 padding: .55rem .7rem;
}
.spec-list i { color: var(--teal); margin-top: .25rem; }
.metric-board {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 overflow: hidden;
 background:
 linear-gradient(180deg, rgba(7,11,20,.55), rgba(7,11,20,.82)),
 url("/assets/images/59ad95b4baded5d8.webp") center/cover no-repeat;
}
.metric { padding: 1.25rem 1rem 1.15rem; border-right: 1px solid var(--line); }
.metric:last-child { border-right: 0; }
.metric b {
 display: block;
 font-size: clamp(1.8rem, 3vw, 2.45rem);
 color: var(--gold-2);
 line-height: 1;
 margin: .25rem 0 .45rem;
 font-weight: 800;
}
.metric span { color: #e7edf7; display: block; }
.metric small { color: var(--muted); display: block; margin-top: .2rem; }
.metric i { color: var(--gold); }
.layer-item {
 display: grid;
 grid-template-columns: auto 1fr;
 gap: .75rem;
 padding: .9rem 0;
 border-bottom: 1px solid var(--line);
}
.layer-item:last-child { border-bottom: 0; }
.layer-index {
 width: 42px; height: 42px; border-radius: 14px;
 display: grid; place-items: center;
 background: rgba(230,177,90,.14);
 color: var(--gold-2);
 font-weight: 800;
}
.stage figcaption {
 padding: .9rem 1rem 1rem;
 color: var(--muted);
}
.stage figcaption strong { color: var(--ink); display: block; margin-bottom: .2rem; }
.compare-row {
 background: #121b2c;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius-sm);
 padding: .9rem;
 margin-bottom: .7rem;
 transition: .2s ease;
}
.compare-row:hover { border-color: var(--gold); transform: translateY(-2px); }
.compare-row > div span {
 display: block;
 color: var(--gold);
 font-size: .72rem;
 font-weight: 700;
 letter-spacing: .04em;
 text-transform: uppercase;
 margin-bottom: .2rem;
}
.compare-row p { margin: 0; color: var(--muted); font-size: .92rem; }
.compare-row strong { color: var(--ink); }
.rail { position: relative; display: grid; gap: .85rem; }
.rail::before {
 content: "";
 position: absolute;
 left: 18px; top: 8px; bottom: 8px;
 width: 2px;
 background: linear-gradient(var(--gold), rgba(230,177,90,.05));
}
.mile { display: grid; grid-template-columns: 38px 1fr; gap: .9rem; align-items: start; }
.mile > i {
 width: 38px; height: 38px; border-radius: 50%;
 display: grid; place-items: center;
 background: #101826;
 border: 1px solid var(--gold);
 color: var(--gold-2);
 position: relative;
 z-index: 1;
}
.mile div {
 background: #121b2c;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius-sm);
 padding: .95rem 1rem;
}
.mile p { margin: 0; color: var(--muted); }
.signal {
 display: grid;
 grid-template-columns: 176px 1fr;
 gap: 0;
 background: #121b2c;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius);
 overflow: hidden;
 transition: .2s ease;
}
.signal:hover { border-color: var(--gold); box-shadow: var(--shadow); }
.signal img { width: 100%; height: 100%; min-height: 148px; object-fit: cover; }
.signal div { padding: 1rem 1.05rem 1.05rem; }
.signal p { margin: 0; color: var(--muted); }
.assure-copy p:last-child { margin-bottom: 0; }
.pledge { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: .55rem; }
.pledge li {
 display: flex; gap: .6rem; align-items: flex-start;
 color: var(--muted);
}
.pledge i { color: var(--ok); margin-top: .25rem; }
.faq-wrap {
 --bs-accordion-bg: #121b2c;
 --bs-accordion-color: var(--ink);
 --bs-accordion-border-color: rgba(255,255,255,.12);
 --bs-accordion-btn-bg: #121b2c;
 --bs-accordion-btn-color: #f4f7fb;
 --bs-accordion-active-bg: #172338;
 --bs-accordion-active-color: #f6e2bc;
 --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(230,177,90,.25);
 --bs-accordion-border-radius: 16px;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 overflow: hidden;
}
.faq-wrap .accordion-button { font-weight: 700; }
.faq-wrap .accordion-button::after { filter: invert(1) grayscale(1); }
.faq-wrap .accordion-body { color: var(--muted); }
.form-panel {
 background: linear-gradient(180deg, rgba(23,35,56,.95), rgba(16,24,38,.96));
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 1.15rem;
 box-shadow: var(--shadow);
}
.field { margin-bottom: .85rem; }
.lbl { display: block; font-weight: 650; margin-bottom: .35rem; font-size: .92rem; }
.form-panel .form-control,
.form-panel .form-select {
 background-color: #0c1422;
 border-color: rgba(255,255,255,.14);
 color: var(--ink);
 border-radius: 14px;
 min-height: 48px;
}
.form-panel textarea.form-control { min-height: 120px; }
.form-panel .form-control::placeholder { color: #8d9bb3; }
.form-panel .form-control:focus,
.form-panel .form-select:focus {
 background-color: #0c1422;
 color: #fff;
 border-color: var(--gold);
 box-shadow: 0 0 0 3px rgba(230,177,90,.2);
}
.form-panel .form-select option { color: #172033; }
.check { display: flex; gap: .65rem; align-items: flex-start; color: var(--muted); margin: .2rem 0 1rem; }
.check input { margin-top: .35rem; accent-color: #d09a3e; width: 18px; height: 18px; flex: 0 0 18px; }
.form-ok {
 background: rgba(125,206,160,.12);
 border: 1px solid rgba(125,206,160,.45);
 color: var(--ok);
 border-radius: 14px;
 padding: .75rem .85rem;
 margin-bottom: .85rem;
}
.site-footer {
 background: #05080f;
 border-top: 1px solid var(--line);
 padding: 2.5rem 0 1.2rem;
 color: var(--muted);
}
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr; gap: 1.5rem; }
.site-footer h2 { color: var(--ink); font-size: 1.08rem; }
.site-footer a { display: block; color: var(--muted); padding: .18rem 0; }
.site-footer a:hover { color: var(--gold-2); }
.legal {
 margin-top: 1.2rem;
 padding-top: 1rem;
 border-top: 1px solid var(--line);
 color: var(--faint);
 font-size: .86rem;
}
@media (max-width: 1024px) {
 .metric-board { grid-template-columns: 1fr 1fr; }
 .metric:nth-child(odd) { border-right: 1px solid var(--line); }
 .metric:nth-child(even) { border-right: 0; }
 .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
 .compare-row { grid-template-columns: 1fr 1fr; }
 .header-cta .btn-ghost { display: none; }
}
@media (max-width: 768px) {
 .nav-toggle { display: inline-flex; }
 .header-nav { display: none; }
 .header-nav.is-open { display: block; }
 .nav-list { flex-direction: column; align-items: stretch; padding-bottom: .8rem; }
 .nav-list a { width: 100%; }
 .foot-grid, .demo-grid, .stuck-grid { grid-template-columns: 1fr; }
 .signal { grid-template-columns: 1fr; }
 .signal img { height: 190px; }
 .brand-text small { display: none; }
 .header-main { min-height: 68px; }
 .btn-gold, .btn-ghost, .btn-line { min-height: 42px; }
 .rail::before { left: 16px; }
}
@media (max-width: 520px) {
 .shell { width: min(var(--max), calc(100% - 1.15rem)); }
 .metric-board, .compare-row { grid-template-columns: 1fr; }
 .metric { border-right: 0 !important; border-bottom: 1px solid var(--line); }
 .metric:last-child { border-bottom: 0; }
 .hero-actions .btn-gold, .hero-actions .btn-line { width: 100%; }
 .brand-text strong { white-space: normal; font-size: .84rem; }
 .header-cta .btn-gold { padding-inline: .75rem; font-size: .82rem; }
 .mile { grid-template-columns: 32px 1fr; }
}

/* roulang page: category5 */
:root {
  --bg: #070b14;
  --bg-2: #101826;
  --bg-3: #172338;
  --ink: #f4f7fb;
  --muted: #b4c0d4;
  --faint: #8d9bb3;
  --line: rgba(228, 196, 140, .18);
  --line-strong: rgba(255, 255, 255, .12);
  --gold: #e6b15a;
  --gold-2: #f6e2bc;
  --gold-deep: #8a6230;
  --teal: #3dceb4;
  --rose: #ff8b9a;
  --ok: #7dcea0;
  --shadow: 0 22px 60px rgba(0, 0, 0, .38);
  --radius: 22px;
  --radius-sm: 14px;
  --space: clamp(3.2rem, 6vw, 5.4rem);
  --max: 1160px;
  --font: "Be Vietnam Pro", system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 500px at 80% -10%, rgba(230, 177, 90, .16), transparent 55%), var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-2); text-decoration: none; }
a:hover { color: #fff; }
button, input, select, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.shell { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 11, 20, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 78px;
}
.brand { display: flex; align-items: center; gap: .8rem; color: var(--ink); min-width: 0; }
.brand-mark {
  width: 46px; height: 46px; flex: 0 0 46px;
  display: grid; place-items: center;
  border-radius: 15px;
  background: linear-gradient(160deg, #f0d7a4, #b8883e);
  color: #2a1c0a;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(230, 177, 90, .25);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-text strong { font-size: .98rem; letter-spacing: -.01em; white-space: nowrap; }
.brand-text small { color: var(--faint); font-size: .75rem; }
.header-cta { display: flex; gap: .6rem; align-items: center; }
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #121b2c;
  color: var(--ink);
  border-radius: 12px;
  width: 46px; height: 46px;
}
.nav-toggle:hover { border-color: var(--gold); color: #fff; }
.header-nav { border-top: 1px solid rgba(255,255,255,.05); }
.nav-list { display: flex; gap: .35rem; list-style: none; margin: 0; padding: .55rem 0; overflow: auto; }
.nav-list a {
  display: inline-flex; align-items: center; min-height: 38px;
  padding: .2rem .75rem; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: .9rem; white-space: nowrap;
}
.nav-list a:hover { background: rgba(255,255,255,.05); color: #fff; }
.nav-list a.active, .nav-list a:active { background: rgba(230,177,90,.16); color: var(--gold-2); }
.btn-gold, .btn-ghost, .btn-line {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-height: 46px; padding: .55rem 1.05rem; border-radius: 999px;
  font-weight: 700; border: 1px solid transparent; transition: .2s ease;
  cursor: pointer; text-align: center;
}
.btn-gold { background: linear-gradient(180deg, #f0cc86, #d09a3e); color: #2a1c0a; box-shadow: 0 10px 24px rgba(208,154,62,.25); }
.btn-gold:hover { color: #1a1206; transform: translateY(-1px); }
.btn-gold:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--gold-2); border-color: rgba(230,177,90,.45); }
.btn-ghost:hover { background: rgba(230,177,90,.1); color: #fff; }
.btn-line { background: #121b2c; color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover { border-color: var(--gold); color: #fff; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .45rem;
  color: var(--gold-2); font-size: .82rem; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; margin: 0 0 .45rem;
}
.chip-row, .series-bar { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip, .series-bar a {
  border: 1px solid var(--line); background: rgba(8,12,22,.55);
  color: var(--gold-2); border-radius: 999px; padding: .28rem .7rem; font-size: .82rem; font-weight: 600;
}
.chip:hover, .series-bar a:hover { border-color: var(--gold); color: #fff; }
main { display: block; }
.section { padding: var(--space) 0; }
.lead { color: var(--muted); max-width: 78ch; margin-bottom: 1.3rem; }
h1 { font-size: clamp(2rem, 4.2vw, 3.45rem); line-height: 1.12; letter-spacing: -.03em; font-weight: 800; margin: .35rem 0 .8rem; }
h2 { font-size: clamp(1.45rem, 2.5vw, 2.05rem); line-height: 1.25; font-weight: 800; margin: 0 0 .75rem; }
h3 { font-size: 1.08rem; line-height: 1.35; margin: 0 0 .35rem; font-weight: 750; }
.tag { align-self: flex-start; font-size: .75rem; font-weight: 700; color: #2a1c0a; background: var(--gold); border-radius: 999px; padding: .12rem .5rem; }
.tag.soft { background: rgba(61,206,180,.16); color: var(--teal); }
.tag.warn { background: rgba(255,139,154,.16); color: var(--rose); }
.offer-mast {
  position: relative;
  padding: 1.5rem 0 1.1rem;
  background:
    linear-gradient(180deg, rgba(7,11,20,.2), rgba(7,11,20,.88)),
    url("/assets/images/59ad95b4baded5d8.webp") center/cover no-repeat;
}
.crumb { color: var(--faint); font-size: .86rem; margin: 0 0 .8rem; }
.crumb a { color: var(--gold-2); }
.crumb span { margin: 0 .35rem; color: var(--faint); }
.mast-grid { display: grid; grid-template-columns: 1.18fr .82fr; gap: 1.3rem; align-items: stretch; }
.mast-copy { padding: .4rem 0 1rem; max-width: 680px; }
.mast-copy p { color: var(--muted); font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.15rem 0 1rem; }
.ticket {
  background: rgba(16,24,38,.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.ticket img { width: 100%; height: 210px; object-fit: cover; }
.ticket-body { padding: 1rem 1.05rem 1.15rem; }
.ticket-body dl { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem .8rem; margin: .8rem 0 0; }
.ticket-body dt { color: var(--faint); font-size: .78rem; font-weight: 600; }
.ticket-body dd { margin: 0; font-weight: 700; }
.series-wrap { margin-top: .4rem; }
.series-bar {
  flex-wrap: nowrap;
  overflow: auto;
  padding: .7rem;
  background: rgba(8,12,22,.78);
  border: 1px solid var(--line);
  border-radius: 18px;
  backdrop-filter: blur(12px);
}
.series-bar a { white-space: nowrap; background: rgba(255,255,255,.03); }
.stat-band { padding-top: 1.4rem; }
.stat-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: linear-gradient(180deg, #162033, #101826);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-bar article { padding: 1.15rem 1.2rem 1.2rem; border-right: 1px solid var(--line); }
.stat-bar article:last-child { border-right: 0; }
.stat-bar strong { display: block; font-size: clamp(1.35rem, 2vw, 1.8rem); color: var(--gold-2); letter-spacing: -.03em; line-height: 1.15; }
.stat-bar span { display: block; color: var(--muted); font-size: .9rem; margin-top: .25rem; }
.stat-bar small { color: var(--faint); display: block; margin-top: .35rem; }
.split-head { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1.2rem; align-items: end; margin-bottom: 1.3rem; }
.split-head .lead { margin: 0; }
.lane-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 1rem; }
.lane-feature, .stack-card, .panel, .feed-item, .mile-item, .claim-card {
  background: #121b2c;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: .2s ease;
}
.lane-feature { overflow: hidden; min-height: 100%; display: flex; flex-direction: column; }
.lane-feature img { width: 100%; height: 280px; object-fit: cover; }
.lane-feature div, .stack-card { padding: 1.05rem 1.1rem 1.15rem; }
.lane-feature:hover, .stack-card:hover, .feed-item:hover { transform: translateY(-3px); border-color: var(--gold); box-shadow: var(--shadow); }
.lane-stack { display: grid; gap: .8rem; }
.stack-card p, .lane-feature p, .panel p, .feed-item p, .guard-list span { color: var(--muted); margin: 0; }
.lane-note {
  margin-top: .9rem;
  padding: .9rem 1rem;
  border-left: 3px solid var(--gold);
  background: rgba(230,177,90,.08);
  border-radius: 0 14px 14px 0;
  color: var(--gold-2);
}
.compare-sec { background: linear-gradient(180deg, rgba(23,35,56,.65), transparent 70%); }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.panel { padding: 1.15rem 1.15rem 1.25rem; }
.panel.keep { background: linear-gradient(180deg, rgba(125,206,160,.12), #121b2c 42%); }
.panel.drop { background: linear-gradient(180deg, rgba(255,139,154,.12), #121b2c 42%); }
.panel ul { list-style: none; margin: .8rem 0 0; padding: 0; display: grid; gap: .65rem; }
.panel li { display: flex; gap: .65rem; align-items: flex-start; color: var(--ink); }
.panel i { margin-top: .25rem; }
.keep i { color: var(--ok); }
.drop i { color: var(--rose); }
.mile-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 1.3rem; align-items: start; }
.mile-list { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; }
.mile-item { display: grid; grid-template-columns: auto 1fr; gap: .85rem; padding: .95rem 1rem; }
.mile-item b {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: rgba(230,177,90,.16); color: var(--gold-2); font-size: .95rem;
}
.mile-item span { color: var(--muted); display: block; }
.feed-sec { background: #0c1322; }
.feed-list { display: grid; gap: .8rem; }
.feed-item { display: grid; grid-template-columns: 168px 1fr auto; gap: 1rem; align-items: center; padding: .7rem; }
.feed-item img { width: 168px; height: 112px; object-fit: cover; border-radius: 14px; }
.feed-item h3 { margin-bottom: .2rem; }
.guard-sec {
  background:
    linear-gradient(100deg, rgba(7,11,20,.92) 10%, rgba(7,11,20,.72) 55%, rgba(7,11,20,.4)),
    url("/assets/images/41964d401d28119a.jpg") center/cover no-repeat;
}
.guard-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; max-width: 760px; }
.guard-list li {
  display: grid; grid-template-columns: 48px 1fr; gap: .8rem; align-items: center;
  background: rgba(10,16,28,.78); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .85rem .95rem;
}
.guard-list i {
  width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px;
  background: linear-gradient(160deg, #f0d7a4, #b8883e); color: #2a1c0a; font-size: 1.05rem;
}
.faq-acc .accordion-item {
  background: #121b2c;
  border: 1px solid var(--line-strong) !important;
  border-radius: var(--radius-sm) !important;
  margin-bottom: .7rem;
  overflow: hidden;
}
.faq-acc .accordion-button {
  background: #121b2c;
  color: var(--ink);
  font-weight: 700;
  box-shadow: none;
  padding: 1rem 1.05rem;
}
.faq-acc .accordion-button:not(.collapsed) { background: #1b283d; color: var(--gold-2); }
.faq-acc .accordion-button:focus { box-shadow: inset 0 0 0 2px rgba(230,177,90,.45); }
.faq-acc .accordion-button::after { filter: invert(1) sepia(1) saturate(3) hue-rotate(5deg); }
.faq-acc .accordion-body { color: var(--muted); padding: 0 1.05rem 1rem; }
.claim-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 1rem; align-items: stretch; }
.claim-visual { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 100%; border: 1px solid var(--line); }
.claim-visual img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.claim-visual figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.2rem 1rem;
  background: linear-gradient(transparent, rgba(7,11,20,.92));
}
.claim-card { padding: 1.15rem; }
.field { margin-bottom: .8rem; }
.field label { display: block; font-weight: 650; margin-bottom: .32rem; }
.field input, .field select, .field textarea {
  width: 100%;
  background: #0c1422;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  border-radius: 12px;
  min-height: 48px;
  padding: .65rem .8rem;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(230,177,90,.15); outline: none; }
.checkline { display: flex; gap: .6rem; align-items: flex-start; color: var(--muted); font-size: .92rem; margin: .3rem 0 .9rem; }
.checkline input { margin-top: .35rem; accent-color: #d09a3e; }
.form-note {
  margin-top: .8rem;
  padding: .8rem .9rem;
  border-radius: 12px;
  background: rgba(125,206,160,.12);
  color: var(--ok);
  border: 1px solid rgba(125,206,160,.28);
}
.site-footer {
  background: #080d18;
  border-top: 1px solid var(--line);
  padding: 2.4rem 0 1.2rem;
}
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 1.5rem; }
.site-footer h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
.site-footer p { color: var(--muted); margin: 0; }
.site-footer a { display: block; color: var(--muted); padding: .2rem 0; }
.site-footer a:hover { color: var(--gold-2); }
.legal {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: .86rem;
}
@media (max-width: 1024px) {
  .mast-grid, .lane-grid, .mile-layout, .claim-grid, .split-head { grid-template-columns: 1fr; }
  .feed-item { grid-template-columns: 140px 1fr; }
  .feed-item .tag { grid-column: 2; justify-self: start; }
  .ticket img, .lane-feature img { height: 220px; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .header-nav { display: none; }
  .header-nav.open { display: block; }
  .nav-list { flex-direction: column; padding-bottom: .85rem; }
  .nav-list a { width: 100%; }
  .stat-bar { grid-template-columns: 1fr 1fr; }
  .stat-bar article:nth-child(odd) { border-right: 1px solid var(--line); }
  .stat-bar article:nth-child(2) { border-right: 0; }
  .stat-bar article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .compare-grid, .foot-grid { grid-template-columns: 1fr; }
  .header-cta .btn-ghost { display: none; }
  .brand-text strong { white-space: normal; }
}
@media (max-width: 520px) {
  .shell { width: min(var(--max), calc(100% - 1.2rem)); }
  .stat-bar { grid-template-columns: 1fr; }
  .stat-bar article { border-right: 0 !important; border-bottom: 1px solid var(--line); }
  .stat-bar article:last-child { border-bottom: 0; }
  .feed-item { grid-template-columns: 1fr; }
  .feed-item img { width: 100%; height: 170px; }
  .feed-item .tag { grid-column: auto; }
  .ticket-body dl { grid-template-columns: 1fr; }
  .hero-actions .btn-gold, .hero-actions .btn-ghost, .claim-card .btn-gold { width: 100%; }
  .header-main { min-height: 70px; }
  .brand-text small { display: none; }
}

/* roulang page: category6 */
:root {
  --bg: #070b14;
  --bg-2: #101826;
  --bg-3: #172338;
  --ink: #f4f7fb;
  --muted: #b4c0d4;
  --faint: #8d9bb3;
  --line: rgba(228, 196, 140, .18);
  --line-strong: rgba(255, 255, 255, .12);
  --gold: #e6b15a;
  --gold-2: #f6e2bc;
  --gold-deep: #8a6230;
  --teal: #3dceb4;
  --rose: #ff8b9a;
  --ok: #7dcea0;
  --shadow: 0 22px 60px rgba(0, 0, 0, .38);
  --radius: 22px;
  --radius-sm: 14px;
  --space: clamp(3.2rem, 6vw, 5.4rem);
  --max: 1160px;
  --font: "Be Vietnam Pro", system-ui, sans-serif;
}
/* roulang page: li-n */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(230, 177, 90, .16), transparent 55%),
    var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-2); text-decoration: none; }
a:hover { color: #fff; }
button, input, select, textarea { font-family: inherit; }
::selection { background: rgba(230, 177, 90, .35); color: #fff; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.shell { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 11, 20, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 78px;
}
.brand { display: flex; align-items: center; gap: .8rem; color: var(--ink); min-width: 0; }
.brand-mark {
  width: 46px; height: 46px; flex: 0 0 46px;
  display: grid; place-items: center;
  border-radius: 15px;
  background: linear-gradient(160deg, #f0d7a4, #b8883e);
  color: #2a1c0a;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(230, 177, 90, .25);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-text strong { font-size: .98rem; letter-spacing: -.01em; white-space: nowrap; }
.brand-text small { color: var(--faint); font-size: .75rem; }
.header-cta { display: flex; gap: .6rem; align-items: center; }
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #121b2c;
  color: var(--ink);
  border-radius: 12px;
  width: 46px; height: 46px;
}
.header-nav { border-top: 1px solid rgba(255,255,255,.05); }
.nav-list { display: flex; gap: .35rem; list-style: none; margin: 0; padding: .55rem 0; overflow: auto; }
.nav-list a {
  display: inline-flex; align-items: center; min-height: 38px;
  padding: .2rem .75rem; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: .9rem; white-space: nowrap;
}
.nav-list a:hover { background: rgba(255,255,255,.05); color: #fff; }
.nav-list a.active { background: rgba(230,177,90,.16); color: var(--gold-2); }
.btn-gold, .btn-ghost, .btn-line {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-height: 46px; padding: .55rem 1.05rem; border-radius: 999px;
  font-weight: 700; border: 1px solid transparent; transition: .2s ease;
  cursor: pointer; text-align: center;
}
.btn-gold { background: linear-gradient(180deg, #f0cc86, #d09a3e); color: #2a1c0a; box-shadow: 0 10px 24px rgba(208,154,62,.25); }
.btn-gold:hover { color: #1a1206; transform: translateY(-1px); }
.btn-gold:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--gold-2); border-color: rgba(230,177,90,.45); }
.btn-ghost:hover { background: rgba(230,177,90,.1); color: #fff; }
.btn-line { background: #121b2c; color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover { border-color: var(--gold); color: #fff; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .45rem;
  color: var(--gold-2); font-size: .82rem; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase;
}
.chip-row { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip {
  border: 1px solid var(--line); background: rgba(8,12,22,.55);
  color: var(--gold-2); border-radius: 999px; padding: .28rem .7rem; font-size: .82rem; font-weight: 600;
}
main { display: block; }
.section { padding: var(--space) 0; }
.lead { color: var(--muted); max-width: 78ch; margin-bottom: 1.3rem; }
.section-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.15rem);
  line-height: 1.25;
  letter-spacing: -.02em;
  margin: .35rem 0 .55rem;
}
.tone-b {
  background: rgba(255,255,255,.025);
  border-top: 1px solid rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.page-mast {
  position: relative;
  padding: 2.5rem 0 2rem;
  background:
    linear-gradient(100deg, rgba(7,11,20,.94) 8%, rgba(7,11,20,.78) 48%, rgba(7,11,20,.5) 100%),
    url("/assets/images/f34cc9a3932a93f7.jpg") center/cover no-repeat;
}
.crumb { display: flex; gap: .45rem; align-items: center; color: var(--faint); font-size: .86rem; margin-bottom: .8rem; }
.crumb a { color: var(--gold-2); }
.mast-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 1.3rem; align-items: stretch; }
.page-mast h1 {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.03em;
  margin: .35rem 0 .8rem;
  max-width: 16ch;
}
.mast-copy { color: var(--muted); font-size: 1.05rem; max-width: 58ch; }
.mast-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.15rem 0 1rem; }
.ticket {
  background: rgba(16, 24, 38, .92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.15rem 1rem;
}
.ticket h2 { font-size: 1.25rem; margin: .45rem 0 .8rem; }
.ticket ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .15rem; }
.ticket li {
  display: flex; justify-content: space-between; gap: 1rem; align-items: baseline;
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: .62rem 0;
}
.ticket li span { color: var(--faint); }
.ticket li b { font-weight: 700; text-align: right; }
.ticket .warn { color: var(--rose); }
.ticket .ok { color: var(--ok); }
.meter {
  background: #121b2c;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 1rem 1rem .9rem;
  min-height: 148px;
  height: 100%;
  transition: .2s ease;
}
.meter:hover { transform: translateY(-3px); border-color: var(--gold); box-shadow: var(--shadow); }
.meter i { color: var(--gold); font-size: 1.1rem; }
.meter strong { display: block; font-size: 1.55rem; letter-spacing: -.03em; margin: .45rem 0 .15rem; }
.meter span { color: var(--muted); display: block; }
.fault-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 1.2rem; align-items: stretch; }
.photo-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  min-height: 100%;
  background: #101826;
  box-shadow: var(--shadow);
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.issue-list { display: grid; gap: .7rem; }
.issue {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .75rem;
  background: #121b2c;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: .85rem .95rem;
}
.issue:hover { border-color: rgba(230,177,90,.55); }
.issue em {
  font-style: normal;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: rgba(230,177,90,.14);
  color: var(--gold-2);
  font-weight: 800;
}
.issue h3 { font-size: 1rem; margin: 0 0 .15rem; }
.issue p { margin: 0; color: var(--muted); font-size: .94rem; }
.versus { display: grid; gap: .55rem; }
.versus-line, .versus-head {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  gap: .55rem;
}
.versus-head span, .cell {
  border-radius: 12px;
  padding: .75rem .85rem;
}
.versus-head span { color: var(--faint); font-size: .8rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.cell { background: #121b2c; border: 1px solid var(--line-strong); }
.cell.keep { border-color: rgba(125,206,160,.35); }
.cell.drop { border-color: rgba(255,139,154,.32); }
.cell b { display: block; margin-bottom: .15rem; }
.cell p { margin: 0; color: var(--muted); font-size: .92rem; }
.mile-track {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .75rem;
  margin: 0;
  padding: 0;
}
.mile-track li {
  background: linear-gradient(180deg, #172338, #121b2c);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 1rem;
  min-height: 210px;
}
.mile-track li:hover { border-color: var(--gold); transform: translateY(-2px); transition: .2s ease; }
.step-no {
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(230,177,90,.16);
  color: var(--gold-2);
  font-weight: 800;
  margin-bottom: .7rem;
}
.mile-track h3 { font-size: 1.02rem; margin: 0 0 .35rem; }
.mile-track p { margin: 0; color: var(--muted); font-size: .92rem; }
.wall {
  display: flex;
  gap: .9rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: .2rem .1rem .7rem;
}
.wall article {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: #121b2c;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
}
.wall article:hover { border-color: var(--gold); box-shadow: var(--shadow); }
.wall img { width: 100%; height: 168px; object-fit: cover; }
.wall div { padding: .9rem .95rem 1rem; }
.wall h3 { font-size: 1rem; margin: .35rem 0 .3rem; }
.wall p { margin: 0; color: var(--muted); font-size: .9rem; }
.tag {
  display: inline-flex;
  font-size: .75rem; font-weight: 700; color: #2a1c0a;
  background: var(--gold); border-radius: 999px; padding: .12rem .5rem;
}
.more-row { margin-top: 1rem; }
.pledge-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1.2rem; align-items: center; }
.pledge-photo { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.pledge-photo img { width: 100%; height: 360px; object-fit: cover; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .65rem; }
.check-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .7rem;
  align-items: start;
  background: rgba(16,24,38,.8);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: .8rem .9rem;
}
.check-list i { color: var(--teal); margin-top: .25rem; }
.check-list p { margin: 0; color: var(--muted); }
.check-list b { color: var(--ink); }
.desk-card, .faq-card {
  background: #101826;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem;
  box-shadow: var(--shadow);
  height: 100%;
}
.form-label { color: var(--gold-2); font-weight: 600; font-size: .9rem; }
.form-control, .form-select {
  background: #0d1524;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  border-radius: 12px;
  min-height: 48px;
}
.form-control::placeholder { color: #7f8da3; }
.form-control:focus, .form-select:focus {
  background: #0d1524;
  color: var(--ink);
  border-color: var(--gold);
  box-shadow: 0 0 0 .2rem rgba(230,177,90,.16);
}
.form-select option { color: #111; }
.form-check-input {
  background-color: #0d1524;
  border-color: var(--line-strong);
}
.form-check-input:checked { background-color: var(--gold-deep); border-color: var(--gold); }
.form-check-label { color: var(--muted); }
.note-inline { color: var(--faint); font-size: .86rem; }
.local-result {
  margin-top: .9rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(125,206,160,.4);
  background: rgba(125,206,160,.08);
  color: var(--ink);
  padding: .8rem .9rem;
}
.accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: transparent; }
.accordion-item {
  background: #121b2c;
  color: var(--ink);
  border: 1px solid var(--line-strong) !important;
  border-radius: var(--radius-sm) !important;
  overflow: hidden;
  margin-bottom: .6rem;
}
.accordion-button {
  background: #121b2c;
  color: var(--ink);
  font-weight: 700;
  box-shadow: none;
  gap: .6rem;
}
.accordion-button:not(.collapsed) {
  background: #1b2840;
  color: var(--gold-2);
  box-shadow: none;
}
.accordion-button:focus { box-shadow: inset 0 0 0 1px var(--gold); }
.accordion-button::after { filter: invert(1) sepia(1) saturate(2) hue-rotate(5deg); }
.accordion-body { color: var(--muted); padding-top: 0; }
.site-footer {
  background: #080d18;
  border-top: 1px solid var(--line);
}
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .9fr; gap: 1.4rem; padding: 2.2rem 0 1.2rem; }
.site-footer h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
.site-footer p { color: var(--muted); margin: 0; }
.site-footer a { display: block; color: var(--muted); padding: .18rem 0; }
.site-footer a:hover { color: var(--gold-2); }
.legal {
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: .86rem;
  padding: 1rem 0 1.4rem;
}
@media (max-width: 1024px) {
  .mast-grid, .fault-grid, .pledge-grid { grid-template-columns: 1fr; }
  .mile-track { grid-template-columns: repeat(3, 1fr); }
  .photo-frame img, .pledge-photo img { min-height: 260px; height: 280px; }
  .page-mast h1 { max-width: none; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .header-nav { display: none; }
  .header-nav.is-open { display: block; }
  .header-main { align-items: flex-start; padding: .7rem 0; }
  .mile-track, .versus-line, .versus-head, .foot-grid { grid-template-columns: 1fr; }
  .versus-head { display: none; }
  .brand-text strong { white-space: normal; }
  .ticket li { flex-direction: column; gap: .1rem; }
  .ticket li b { text-align: left; }
}
@media (max-width: 520px) {
  .shell { width: min(var(--max), calc(100% - 1.2rem)); }
  .header-cta .btn-ghost { display: none; }
  .mast-actions .btn-gold, .mast-actions .btn-ghost, .desk-card .btn-gold { width: 100%; }
  .page-mast { padding-top: 1.5rem; }
  .mile-track { grid-template-columns: 1fr; }
  .wall article { flex-basis: 82%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category7 */
:root {
 --bg: #070b14;
 --bg-2: #101826;
 --bg-3: #172338;
 --ink: #f4f7fb;
 --muted: #b4c0d4;
 --faint: #8d9bb3;
 --line: rgba(228, 196, 140, .18);
 --line-strong: rgba(255, 255, 255, .12);
 --gold: #e6b15a;
 --gold-2: #f6e2bc;
 --gold-deep: #8a6230;
 --teal: #3dceb4;
 --rose: #ff8b9a;
 --ok: #7dcea0;
 --shadow: 0 22px 60px rgba(0, 0, 0, .38);
 --radius: 22px;
 --radius-sm: 14px;
 --space: clamp(3.2rem, 6vw, 5.4rem);
 --max: 1160px;
 --font: "Be Vietnam Pro", system-ui, sans-serif;
}
/* roulang page: category7 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: var(--font);
 background: radial-gradient(1200px 500px at 80% -10%, rgba(230, 177, 90, .16), transparent 55%), var(--bg);
 color: var(--ink);
 line-height: 1.7;
 font-size: 16px;
 overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-2); text-decoration: none; }
a:hover { color: #fff; }
button, input, select, textarea { font-family: inherit; }
::selection { background: rgba(230, 177, 90, .35); color: #fff; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.shell { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: rgba(7, 11, 20, .9);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid var(--line);
}
.header-main {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 1rem;
 min-height: 78px;
}
.brand { display: flex; align-items: center; gap: .8rem; color: var(--ink); min-width: 0; }
.brand:hover { color: #fff; }
.brand-mark {
 width: 46px; height: 46px; flex: 0 0 46px;
 display: grid; place-items: center;
 border-radius: 15px;
 background: linear-gradient(160deg, #f0d7a4, #b8883e);
 color: #2a1c0a;
 font-weight: 800;
 box-shadow: 0 8px 20px rgba(230, 177, 90, .25);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-text strong { font-size: .98rem; letter-spacing: -.01em; white-space: nowrap; }
.brand-text small { color: var(--faint); font-size: .75rem; }
.header-cta { display: flex; gap: .6rem; align-items: center; }
.nav-toggle {
 display: none;
 border: 1px solid var(--line);
 background: #121b2c;
 color: var(--ink);
 border-radius: 12px;
 width: 46px; height: 46px;
 place-items: center;
 cursor: pointer;
}
.nav-toggle:hover, .nav-toggle:active { border-color: var(--gold); color: var(--gold-2); }
.header-nav { border-top: 1px solid rgba(255,255,255,.05); }
.nav-list { display: flex; gap: .35rem; list-style: none; margin: 0; padding: .55rem 0; overflow: auto; }
.nav-list a {
 display: inline-flex; align-items: center; min-height: 38px;
 padding: .2rem .75rem; border-radius: 999px;
 color: var(--muted); font-weight: 600; font-size: .9rem; white-space: nowrap;
}
.nav-list a:hover { background: rgba(255,255,255,.05); color: #fff; }
.nav-list a.active { background: rgba(230,177,90,.16); color: var(--gold-2); }
.btn-gold, .btn-ghost, .btn-line {
 display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
 min-height: 46px; padding: .55rem 1.05rem; border-radius: 999px;
 font-weight: 700; border: 1px solid transparent; transition: .2s ease;
 cursor: pointer; text-align: center;
}
.btn-gold { background: linear-gradient(180deg, #f0cc86, #d09a3e); color: #2a1c0a; box-shadow: 0 10px 24px rgba(208,154,62,.25); }
.btn-gold:hover { color: #1a1206; transform: translateY(-1px); }
.btn-gold:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--gold-2); border-color: rgba(230,177,90,.45); }
.btn-ghost:hover { background: rgba(230,177,90,.1); color: #fff; }
.btn-line { background: #121b2c; color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover { border-color: var(--gold); color: #fff; }
.eyebrow {
 display: inline-flex; align-items: center; gap: .45rem;
 color: var(--gold-2); font-size: .82rem; font-weight: 700; letter-spacing: .04em;
 text-transform: uppercase;
}
.chip-row { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip {
 border: 1px solid var(--line); background: rgba(8,12,22,.55);
 color: var(--gold-2); border-radius: 999px; padding: .28rem .7rem; font-size: .82rem; font-weight: 600;
}
main { display: block; }
.section { padding: var(--space) 0; }
.lead { color: var(--muted); max-width: 78ch; margin-bottom: 1.3rem; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -.02em; }
h1 { font-size: clamp(1.85rem, 4vw, 3.15rem); margin: .45rem 0 .8rem; font-weight: 800; }
h2 { font-size: clamp(1.45rem, 2.4vw, 2rem); margin: 0 0 .7rem; }
h3 { font-size: 1.05rem; margin: 0 0 .35rem; }
.cat-hero {
 position: relative;
 padding: 2.5rem 0 2.2rem;
 background:
  linear-gradient(100deg, rgba(7,11,20,.94) 0%, rgba(7,11,20,.82) 46%, rgba(7,11,20,.62) 100%),
  url("/assets/images/59ad95b4baded5d8.webp") center/cover no-repeat;
}
.crumb { display: flex; gap: .45rem; align-items: center; color: var(--faint); font-size: .84rem; margin-bottom: .8rem; }
.crumb a { color: var(--gold-2); }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 1.4rem; align-items: stretch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.15rem 0 1rem; }
.console {
 background: rgba(7,11,20,.88);
 border-radius: var(--radius);
 border: 1px solid var(--line);
 overflow: hidden;
 box-shadow: var(--shadow);
}
.console-bar {
 display: flex; justify-content: space-between; align-items: center; gap: .6rem;
 padding: .7rem .95rem;
 background: #121b2c;
 color: var(--faint);
 font-size: .8rem;
 font-weight: 600;
}
.dots { display: inline-flex; gap: .32rem; }
.dots i { width: 9px; height: 9px; border-radius: 50%; display: block; background: #3a465c; }
.dots i:nth-child(1) { background: var(--rose); }
.dots i:nth-child(2) { background: var(--gold); }
.dots i:nth-child(3) { background: var(--teal); }
.console pre {
 margin: 0;
 padding: 1rem 1.05rem 1.1rem;
 color: #d7e2f2;
 font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
 font-size: .92rem;
 line-height: 1.7;
 white-space: pre-wrap;
}
.k { color: var(--gold-2); }
.v { color: var(--teal); }
.console-foot {
 display: flex; justify-content: space-between; gap: .8rem; flex-wrap: wrap;
 padding: .85rem 1rem 1rem;
 border-top: 1px solid rgba(255,255,255,.06);
}
.stat-inline { color: var(--muted); font-size: .84rem; }
.stat-inline b { color: var(--ink); display: block; font-size: .95rem; }
.metric-board {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 background: #101826;
 border-block: 1px solid var(--line);
}
.metric {
 padding: 1.35rem 1.2rem;
 border-right: 1px solid rgba(255,255,255,.06);
}
.metric:last-child { border-right: 0; }
.metric b {
 display: block;
 color: var(--gold-2);
 font-size: clamp(1.5rem, 2.5vw, 2rem);
 letter-spacing: -.03em;
 line-height: 1.1;
}
.metric span { color: var(--muted); font-size: .9rem; }
.section-head { max-width: 740px; margin-bottom: 1.3rem; }
.section-head p { color: var(--muted); margin: 0; }
.gate {
 display: grid;
 grid-template-columns: .86fr 1.14fr;
 gap: 1.25rem;
 align-items: stretch;
}
.photo-frame {
 border-radius: var(--radius);
 overflow: hidden;
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
 background: #101826;
 min-height: 100%;
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 340px; }
.photo-frame figcaption {
 padding: .85rem 1rem 1rem;
 color: var(--muted);
 font-size: .9rem;
}
.stack { display: grid; gap: .75rem; }
.rule {
 display: grid;
 grid-template-columns: auto 1fr;
 gap: .8rem;
 padding: .95rem 1rem;
 background: #121b2c;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius-sm);
 transition: .2s ease;
}
.rule:hover { transform: translateY(-2px); border-color: var(--gold); box-shadow: var(--shadow); }
.rule i {
 width: 42px; height: 42px; border-radius: 12px;
 display: grid; place-items: center;
 background: rgba(230,177,90,.14);
 color: var(--gold-2);
}
.rule p { margin: 0; color: var(--muted); font-size: .92rem; }
.ledger {
 border: 1px solid var(--line);
 border-radius: var(--radius);
 overflow: hidden;
 background: #0e1626;
}
.ledger-head, .ledger-row {
 display: grid;
 grid-template-columns: 1fr 1.15fr 1.15fr 1.15fr;
}
.ledger-head {
 background: #172338;
 color: var(--gold-2);
 font-weight: 700;
 font-size: .86rem;
}
.ledger-head span, .ledger-row span { padding: .9rem 1rem; }
.ledger-row { border-top: 1px solid rgba(255,255,255,.06); }
.ledger-row:hover { background: rgba(230,177,90,.06); }
.ledger-row strong { display: block; font-size: .95rem; }
.ledger-row em { display: block; font-style: normal; color: var(--muted); font-size: .86rem; }
.tag {
 display: inline-flex; align-items: center;
 font-size: .75rem; font-weight: 700; color: #2a1c0a;
 background: var(--gold); border-radius: 999px; padding: .12rem .5rem;
}
.tag.hold { background: var(--rose); color: #3a1018; }
.tag.wait { background: #d9e4f5; color: #1a2740; }
.tag.ok { background: var(--ok); color: #10281c; }
.rail { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.rail li {
 display: grid;
 grid-template-columns: 92px 1fr;
 gap: 1rem;
 position: relative;
 padding-bottom: 1.15rem;
}
.rail li::before {
 content: "";
 position: absolute;
 left: 45px;
 top: 46px;
 bottom: 0;
 width: 1px;
 background: linear-gradient(var(--gold), rgba(230,177,90,.05));
}
.rail li:last-child::before { display: none; }
.step-no {
 width: 92px; height: 46px;
 display: grid; place-items: center;
 border-radius: 999px;
 background: linear-gradient(180deg, #f0cc86, #d09a3e);
 color: #2a1c0a;
 font-weight: 800;
}
.step-body {
 background: #121b2c;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius-sm);
 padding: .95rem 1rem;
}
.step-body p { margin: 0; color: var(--muted); }
.note-list { display: grid; gap: .8rem; }
.note {
 display: grid;
 grid-template-columns: 180px 1fr;
 gap: 1rem;
 align-items: center;
 padding: .7rem;
 background: #121b2c;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius);
 transition: .2s ease;
}
.note:hover { border-color: var(--gold); transform: translateY(-2px); }
.note img { width: 100%; height: 120px; object-fit: cover; border-radius: 14px; }
.note p { margin: 0; color: var(--muted); }
.assure {
 background:
  linear-gradient(90deg, rgba(7,11,20,.93) 0%, rgba(7,11,20,.78) 55%, rgba(7,11,20,.55) 100%),
  url("/assets/images/a1751b0d2f3bb2ad.webp") center/cover no-repeat;
}
.assure-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1.2rem; align-items: center; }
.promise { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.promise article {
 background: rgba(16,24,38,.86);
 border: 1px solid var(--line);
 border-radius: var(--radius-sm);
 padding: .95rem;
}
.promise p { margin: 0; color: var(--muted); font-size: .9rem; }
.promise i { color: var(--teal); margin-right: .35rem; }
.accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: transparent; display: grid; gap: .65rem; }
.accordion-item {
 background: #121b2c;
 border: 1px solid var(--line-strong) !important;
 border-radius: var(--radius-sm) !important;
 overflow: hidden;
 color: var(--ink);
}
.accordion-button {
 background: transparent;
 color: var(--ink);
 font-weight: 700;
 box-shadow: none !important;
 padding: 1rem 1.05rem;
}
.accordion-button:not(.collapsed) {
 background: rgba(230,177,90,.12);
 color: var(--gold-2);
}
.accordion-button::after { filter: invert(1) grayscale(1) brightness(1.5); }
.accordion-button:hover { color: #fff; }
.accordion-body { color: var(--muted); padding: 0 1.05rem 1rem; }
.ticket-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem; align-items: start; }
.panel {
 background: #121b2c;
 border: 1px solid var(--line-strong);
 border-radius: var(--radius);
 padding: 1.15rem;
 box-shadow: var(--shadow);
}
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.fields label, .full label { display: block; font-weight: 600; margin-bottom: .3rem; font-size: .9rem; }
.full { margin-top: .75rem; }
input, select, textarea {
 width: 100%;
 background: #0c1422;
 color: var(--ink);
 border: 1px solid var(--line-strong);
 border-radius: 12px;
 min-height: 48px;
 padding: .65rem .8rem;
 transition: border-color .2s ease, box-shadow .2s ease;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus {
 border-color: var(--gold);
 outline: 2px solid rgba(230,177,90,.35);
 outline-offset: 1px;
}
.form-actions { display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; margin-top: 1rem; }
.form-msg { min-height: 1.4em; margin: .7rem 0 0; font-weight: 600; }
.form-msg.bad { color: var(--rose); }
.form-msg.ok { color: var(--ok); }
.check-list { list-style: none; margin: .4rem 0 0; padding: 0; display: grid; gap: .65rem; }
.check-list li {
 display: grid;
 grid-template-columns: auto 1fr;
 gap: .65rem;
 color: var(--muted);
}
.check-list i { color: var(--gold); margin-top: .25rem; }
.age-pill {
 display: inline-flex; align-items: center; gap: .4rem;
 border-radius: 999px; padding: .2rem .65rem;
 background: rgba(255,139,154,.14); color: var(--rose); font-weight: 800; font-size: .8rem;
}
.site-footer {
 background: #080d18;
 border-top: 1px solid var(--line);
 padding: 2.4rem 0 1.2rem;
}
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 1.4rem; }
.site-footer h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
.site-footer p, .site-footer a { color: var(--muted); display: block; margin: .25rem 0; }
.site-footer a:hover { color: var(--gold-2); }
.legal {
 margin-top: 1.2rem;
 padding-top: .9rem;
 border-top: 1px solid rgba(255,255,255,.08);
 color: var(--faint);
 font-size: .86rem;
}
@media (max-width: 1024px) {
 .hero-grid, .gate, .assure-grid, .ticket-grid { grid-template-columns: 1fr; }
 .metric-board { grid-template-columns: 1fr 1fr; }
 .metric:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.06); }
 .metric:nth-child(2), .metric:nth-child(4) { border-right: 0; }
 .ledger-head, .ledger-row { grid-template-columns: 1fr 1fr; }
 .ledger-head span:nth-child(1), .ledger-row span:nth-child(1) { grid-column: 1 / -1; background: rgba(255,255,255,.03); }
 .promise { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
 .nav-toggle { display: inline-grid; }
 .header-nav { display: none; }
 .header-nav.is-open { display: block; }
 .nav-list { flex-direction: column; overflow: visible; padding-bottom: .85rem; }
 .nav-list a { width: 100%; }
 .header-cta .btn-ghost { display: none; }
 .fields, .foot-grid, .note { grid-template-columns: 1fr; }
 .note img { height: 180px; }
 .rail li { grid-template-columns: 72px 1fr; }
 .step-no { width: 72px; }
 .rail li::before { left: 35px; }
}
@media (max-width: 520px) {
 .brand-text strong { white-space: normal; font-size: .86rem; }
 .header-cta .btn-gold { display: none; }
 .metric-board, .ledger-head, .ledger-row { grid-template-columns: 1fr; }
 .metric { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.06); }
 .ledger-head { display: none; }
 .ledger-row span[data-k]::before {
  content: attr(data-k);
  display: block;
  color: var(--gold);
  font-size: .75rem;
  font-weight: 700;
  margin-bottom: .2rem;
 }
 .hero-actions .btn-gold, .hero-actions .btn-ghost { width: 100%; }
 .photo-frame img { min-height: 220px; }
}