/* roulang page: index */
:root {
  --ink: #0E1F1A;
  --ink-2: #14342B;
  --lime: #C8F05A;
  --lime-deep: #A9D93C;
  --clay: #C2593A;
  --paper: #F7F6F2;
  --card: #FFFFFF;
  --line: #E3E1D9;
  --muted: #6B7269;
  --radius-btn: 10px;
  --radius-card: 14px;
  --radius-lg: 22px;
  --shadow-1: 0 1px 2px rgba(14, 31, 26, .04);
  --shadow-2: 0 12px 32px -12px rgba(14, 31, 26, .16);
  --container: 1200px;
}
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 140px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4, p { margin: 0; overflow-wrap: break-word; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
::selection { background: var(--lime); color: var(--ink); }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 8px;
  transition: top .2s ease;
}
.skip-link:focus { top: 12px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 246, 242, .94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  min-width: 0;
}
.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--lime);
  color: var(--ink);
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 900;
  flex: 0 0 auto;
}
.logo-text { display: block; min-width: 0; }
.logo-title {
  display: block;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  white-space: nowrap;
}
.logo-sub {
  display: block;
  margin-top: 2px;
  font-size: 10px;
  line-height: 1.2;
  letter-spacing: .14em;
  color: var(--muted);
  white-space: nowrap;
}
.top-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}
.search-form {
  display: none;
  align-items: center;
  width: 260px;
  height: 42px;
  padding: 4px 4px 4px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
}
.search-input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 13px;
  color: var(--ink);
}
.search-input::placeholder { color: rgba(107, 114, 105, .65); }
.search-btn {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  transition: background .16s ease, color .16s ease;
  flex: 0 0 auto;
}
.search-btn:hover { background: var(--lime); color: var(--ink); }
.service-hours {
  display: none;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  white-space: nowrap;
}
.btn-primary, .btn-ghost, .btn-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transition: background .16s ease, color .16s ease, border-color .16s ease, transform .16s ease, box-shadow .16s ease;
}
.btn-primary {
  background: var(--lime);
  color: var(--ink);
  border: 1px solid var(--lime);
}
.btn-primary:hover {
  background: var(--lime-deep);
  border-color: var(--lime-deep);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost:hover {
  background: var(--card);
  border-color: var(--ink);
  transform: translateY(-1px);
}
.btn-text {
  min-height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-weight: 700;
}
.btn-text svg { transition: transform .16s ease; }
.btn-text:hover svg { transform: translateX(4px); }
.btn-primary svg, .btn-ghost svg { width: 16px; height: 16px; flex: 0 0 auto; }
.header-cta { display: inline-flex; }
.icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  display: grid;
  place-items: center;
  transition: background .16s ease, border-color .16s ease, color .16s ease;
}
.icon-btn:hover { background: var(--lime); border-color: var(--lime); }
.mobile-only { display: none; }
.mobile-search {
  border-top: 1px solid var(--line);
  padding: 12px 0;
  background: var(--paper);
}
.mobile-search form {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 5px 5px 5px 16px;
}
.mobile-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 14px;
}
.channelbar {
  background: rgba(247, 246, 242, .96);
  border-bottom: 1px solid var(--line);
}
.channel-scroll {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 48px;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-scroll::-webkit-scrollbar { display: none; }
.channel {
  position: relative;
  flex: 0 0 auto;
  padding: 14px 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: color .16s ease;
}
.channel:hover, .channel.active { color: var(--ink); }
.channel.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--lime);
}
.drawer-mask {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(14, 31, 26, .45);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 91;
  width: min(88vw, 360px);
  padding: 20px;
  overflow-y: auto;
  background: var(--paper);
  transform: translateX(100%);
  transition: transform .28s cubic-bezier(.2, .7, .2, 1);
  display: flex;
  flex-direction: column;
}
.drawer.open { transform: translateX(0); }
.drawer-mask.open { opacity: 1; visibility: visible; }
.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.drawer-links { display: grid; margin-top: 8px; }
.drawer-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-weight: 700;
}
.drawer-links a span { color: var(--muted); }
.drawer-cta {
  display: grid;
  gap: 10px;
  margin-top: auto;
  padding-top: 28px;
}
.drawer-note { font-size: 12px; color: var(--muted); text-align: center; }
.hero { padding: 52px 0 56px; }
.hero-grid { display: grid; gap: 32px; align-items: center; }
.hero-copy { min-width: 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--muted);
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  flex: 0 0 auto;
}
.hero-title {
  max-width: 12em;
  margin: 20px 0 22px;
  font-size: clamp(40px, 7vw, 76px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.015em;
}
.mark {
  display: inline;
  padding: 0 .06em;
  background: linear-gradient(transparent 62%, var(--lime) 62%);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.hero-sub {
  max-width: 580px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.metric {
  padding: 0 22px;
  border-right: 1px solid var(--line);
}
.metric:first-child { padding-left: 0; }
.metric:last-child { padding-right: 0; border-right: 0; }
.metric-num {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.metric-label { margin-top: 2px; font-size: 12px; color: var(--muted); }
.hero-visual { position: relative; min-width: 0; }
.hero-figure {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink-2);
  box-shadow: var(--shadow-2);
}
.hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.2, .7, .2, 1);
}
.hero-figure:hover img { transform: scale(1.04); }
.hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 31, 26, 0) 45%, rgba(14, 31, 26, .55));
  pointer-events: none;
}
.hero-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(247, 246, 242, .92);
  color: var(--ink);
  border-color: transparent;
}
.scroll-hint {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.section { padding: 72px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 38px;
}
.section-kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--muted);
}
.section-title {
  margin-top: 8px;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.01em;
}
.section-desc { max-width: 620px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.view-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}
.view-all svg { transition: transform .16s ease; }
.view-all:hover svg { transform: translateX(4px); }
.service-list { border-top: 1px solid var(--line); }
.service-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 40px;
  align-items: center;
  gap: 14px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: background .16s ease, padding .16s ease;
}
.service-row:hover {
  background: #F1EFE8;
  padding-left: 10px;
  padding-right: 10px;
}
.service-num {
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  color: rgba(14, 31, 26, .16);
  font-variant-numeric: tabular-nums;
}
.service-main { display: block; min-width: 0; }
.service-name { font-size: 20px; font-weight: 700; line-height: 1.35; }
.service-desc { margin-top: 4px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.service-arrow {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: background .16s ease, color .16s ease, border-color .16s ease, transform .16s ease;
  flex: 0 0 auto;
}
.service-row:hover .service-arrow {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  transform: translateX(4px);
}
.stats-section { padding-top: 24px; padding-bottom: 72px; }
.stats-band {
  position: relative;
  overflow: hidden;
  padding: 36px 24px;
  border-radius: 24px;
  background: var(--ink);
  color: var(--paper);
}
.stats-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stat { padding: 18px 20px; border-left: 1px solid rgba(255, 255, 255, .12); }
.stat:nth-child(odd) { border-left: 0; padding-left: 0; }
.stat-num {
  display: inline-block;
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.stat-suffix { margin-left: 6px; color: var(--lime); font-size: 16px; font-weight: 700; }
.stat-label { margin-top: 12px; color: rgba(247, 246, 242, .68); font-size: 12px; letter-spacing: .03em; }
.scroll-actions { display: flex; gap: 8px; }
.scroll-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  display: grid;
  place-items: center;
  transition: background .16s ease, border-color .16s ease, transform .16s ease;
}
.scroll-btn:hover { background: var(--lime); border-color: var(--lime); transform: translateY(-1px); }
.cases-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 0 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.case-card {
  flex: 0 0 82%;
  scroll-snap-align: start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 14px;
  box-shadow: var(--shadow-1);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.case-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: rgba(14, 31, 26, .3);
}
.case-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 10px;
  background: var(--line);
}
.case-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.case-card:hover .case-media img { transform: scale(1.04); }
.case-body { padding: 16px 4px 4px; }
.case-title { margin-top: 10px; font-size: 19px; font-weight: 700; line-height: 1.35; }
.case-summary {
  display: -webkit-box;
  margin-top: 6px;
  overflow: hidden;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.3;
  white-space: nowrap;
}
.pill-clay {
  border-color: rgba(194, 89, 58, .18);
  background: rgba(194, 89, 58, .10);
  color: #8F3D28;
}
.tablist {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}
.tablist::-webkit-scrollbar { display: none; }
.tab-btn {
  flex: 0 0 auto;
  padding: 14px 18px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: color .16s ease, border-color .16s ease;
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.active { color: var(--ink); border-bottom-color: var(--lime); }
.tab-panel { display: none; }
.tab-panel.active {
  display: grid;
  gap: 28px;
  animation: fadeUp .35s cubic-bezier(.2, .7, .2, 1);
}
.process-copy h3 { font-size: clamp(24px, 3vw, 30px); font-weight: 800; line-height: 1.2; }
.process-copy > p { margin-top: 12px; margin-bottom: 18px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.step {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.step-num {
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--card);
  font-size: 12px;
  font-weight: 700;
}
.step h4 { font-size: 16px; font-weight: 700; line-height: 1.4; }
.step p { margin-top: 2px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.process-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--line);
}
.process-media img { width: 100%; height: 100%; object-fit: cover; }
.latest-lead {
  display: grid;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-1);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.latest-lead:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: rgba(14, 31, 26, .26);
}
.latest-lead-media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--line); }
.latest-lead-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.latest-lead:hover .latest-lead-media img { transform: scale(1.04); }
.latest-lead-body { padding: 20px; }
.meta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
.latest-lead h3 { margin-top: 12px; font-size: clamp(21px, 2.5vw, 27px); font-weight: 800; line-height: 1.35; }
.latest-lead-body > p {
  display: -webkit-box;
  margin-top: 10px;
  overflow: hidden;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.read-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 14px; font-weight: 700; }
.cms-list { margin-top: 10px; }
.cms-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 18px;
  padding: 18px 6px;
  border-bottom: 1px solid var(--line);
  transition: background .16s ease;
}
.cms-row:hover { background: #F1EFE8; }
.cms-row:hover .cms-row-main h3 { text-decoration: underline; text-decoration-color: var(--lime-deep); text-underline-offset: 4px; }
.cms-row-meta { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.cms-row-meta time { color: var(--muted); font-size: 12px; }
.cms-row-main { min-width: 0; }
.cms-row-main h3 { font-size: 17px; font-weight: 700; line-height: 1.45; }
.cms-row-main p {
  display: -webkit-box;
  margin-top: 3px;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.cms-row-arrow { color: var(--muted); font-size: 20px; line-height: 1; transition: transform .16s ease, color .16s ease; }
.cms-row:hover .cms-row-arrow { color: var(--ink); transform: translateX(4px); }
.empty-state {
  min-height: 220px;
  padding: 32px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  background: var(--card);
}
.empty-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--muted);
}
.empty-state p { color: var(--muted); font-size: 14px; }
.empty-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 4px; }
.faq-grid { display: grid; gap: 36px; }
.accordion { border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  border: 0;
  background: none;
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  text-align: left;
}
.acc-icon {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 20px;
  line-height: 1;
  transition: transform .26s ease, background .16s ease, border-color .16s ease;
  flex: 0 0 auto;
}
.acc-trigger[aria-expanded="true"] .acc-icon {
  transform: rotate(45deg);
  background: var(--lime);
  border-color: var(--lime);
}
.acc-panel { max-height: 0; overflow: hidden; transition: max-height .26s ease; }
.acc-panel.open { max-height: 360px; }
.acc-panel-inner {
  max-width: 720px;
  padding: 0 0 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}
.contact-band {
  position: relative;
  overflow: hidden;
  padding: 40px 24px;
  border-radius: 24px;
  background: var(--ink);
  color: var(--paper);
}
.contact-grid { display: grid; gap: 36px; }
.contact-info h2 {
  margin-top: 8px;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--paper);
}
.contact-intro {
  max-width: 460px;
  margin-top: 14px;
  color: rgba(247, 246, 242, .7);
  font-size: 15px;
  line-height: 1.85;
}
.section-kicker.light { color: rgba(247, 246, 242, .55); }
.contact-list { display: grid; gap: 16px; margin-top: 28px; }
.contact-item { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; color: rgba(247, 246, 242, .85); }
.contact-item small {
  display: block;
  margin-bottom: 2px;
  color: rgba(247, 246, 242, .5);
  font-size: 11px;
  letter-spacing: .06em;
}
.contact-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(200, 240, 90, .12);
  color: var(--lime);
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}
.form-card {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 18px;
  background: rgba(255, 255, 255, .04);
}
.form-grid { display: grid; gap: 22px; }
.field label { display: block; margin-bottom: 6px; color: rgba(247, 246, 242, .6); font-size: 12px; letter-spacing: .04em; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 0 12px;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, .22);
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--paper);
  font-size: 15px;
  transition: border-color .16s ease, box-shadow .16s ease;
}
.field input::placeholder, .field textarea::placeholder { color: rgba(247, 246, 242, .35); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-bottom-color: var(--lime);
  box-shadow: 0 1px 0 var(--lime);
}
.field select option { background: var(--paper); color: var(--ink); }
.field textarea { min-height: 84px; resize: vertical; }
.form-submit { width: 100%; }
.form-status {
  display: none;
  margin-top: 14px;
  padding: 10px 12px;
  border-left: 3px solid var(--lime);
  background: rgba(200, 240, 90, .08);
  color: rgba(247, 246, 242, .86);
  font-size: 13px;
  line-height: 1.6;
}
.form-status.show { display: block; }
.site-footer {
  position: relative;
  overflow: hidden;
  margin-top: 80px;
  padding: 48px 0 0;
  background: var(--ink);
  color: var(--paper);
}
.footer-grid { display: grid; gap: 32px; }
.footer-brand .logo-title { color: var(--paper); }
.footer-brand .logo-sub { color: rgba(247, 246, 242, .48); }
.footer-desc {
  margin-top: 18px;
  max-width: 320px;
  color: rgba(247, 246, 242, .66);
  font-size: 14px;
  line-height: 1.8;
}
.footer-note { margin-top: 12px; color: rgba(247, 246, 242, .45); font-size: 12px; }
.footer-col h4 {
  margin-bottom: 14px;
  color: rgba(247, 246, 242, .48);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
}
.footer-links { display: grid; gap: 9px; }
.footer-links a {
  color: rgba(247, 246, 242, .72);
  font-size: 14px;
  line-height: 1.6;
  transition: color .16s ease;
}
.footer-links a:hover { color: var(--lime); }
.footer-contact-item {
  display: flex;
  gap: 8px;
  color: rgba(247, 246, 242, .68);
  font-size: 13px;
  line-height: 1.65;
}
.footer-contact-list { display: grid; gap: 10px; }
.footer-watermark {
  margin-top: 36px;
  color: rgba(247, 246, 242, .05);
  font-size: clamp(64px, 12vw, 150px);
  font-weight: 800;
  line-height: .8;
  letter-spacing: -.04em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}
.footer-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 36px;
  padding: 18px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: rgba(247, 246, 242, .48);
  font-size: 12px;
  line-height: 1.7;
}
.footer-bar a { color: rgba(247, 246, 242, .7); }
.footer-bar a:hover { color: var(--lime); }
.mobile-dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: flex;
  gap: 10px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(247, 246, 242, .96);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.mobile-dock a { flex: 1; }
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .42s cubic-bezier(.2, .7, .2, 1), transform .42s cubic-bezier(.2, .7, .2, 1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
section[id] { scroll-margin-top: 140px; }
@media (min-width: 640px) {
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .field-full { grid-column: 1 / -1; }
  .form-submit { width: auto; min-width: 180px; }
}
@media (min-width: 768px) {
  .container { padding-left: 32px; padding-right: 32px; }
  .service-row { grid-template-columns: 78px minmax(0, 1fr) 44px; gap: 20px; }
  .service-num { font-size: 48px; }
  .cases-track { gap: 20px; }
  .case-card { flex-basis: 46%; }
  .latest-lead { grid-template-columns: 5fr 7fr; }
  .latest-lead-media { aspect-ratio: auto; min-height: 280px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .open-panel { display: block; }
}
@media (min-width: 1024px) {
  .container { padding-left: 40px; padding-right: 40px; }
  .topbar-inner { height: 72px; }
  .search-form { display: flex; }
  .header-cta { display: inline-flex; }
  .mobile-only { display: none !important; }
  .hero { padding: 84px 0 92px; }
  .hero-grid { gap: 48px; }
  .section { padding: 104px 0; }
  .stats-section { padding-bottom: 96px; }
  .stats-band { padding: 52px 56px; }
  .stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .stat { padding: 8px 28px; border-left: 1px solid rgba(255, 255, 255, .12); }
  .stat:nth-child(odd) { padding-left: 28px; }
  .stat:first-child { border-left: 0; padding-left: 0; }
  .case-card { flex-basis: 38%; }
  .tab-panel.active { grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: 56px; align-items: center; }
  .faq-grid { grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
  .contact-band { padding: 64px; }
  .contact-grid { grid-template-columns: 5fr 7fr; gap: 56px; align-items: start; }
  .form-card { padding: 28px; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
  .site-footer { margin-top: 96px; padding-top: 56px; }
  .mobile-dock { display: none; }
}
@media (min-width: 1200px) {
  .service-hours { display: block; }
}
@media (max-width: 1023px) {
  body { padding-bottom: 78px; }
  .mobile-only { display: grid; }
  .hero-figure { aspect-ratio: 16 / 10; max-height: 320px; }
  .hero-figure img { min-height: 240px; }
}
@media (max-width: 767px) {
  .logo-title { font-size: 15px; }
  .logo-sub { font-size: 9px; letter-spacing: .1em; }
  .channel-scroll {
    height: 44px;
    gap: 8px;
    margin-left: -20px;
    margin-right: -20px;
    padding-left: 20px;
    padding-right: 20px;
  }
  .channel {
    padding: 8px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--card);
    font-size: 13px;
  }
  .channel.active {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--paper);
  }
  .channel.active::after { display: none; }
  .hero { padding: 42px 0 48px; }
  .hero-title { font-size: clamp(38px, 10vw, 56px); }
  .hero-sub { font-size: 16px; }
  .hero-metrics { gap: 12px 0; }
  .metric { padding: 0 14px; }
  .metric-num { font-size: 18px; }
  .section { padding: 60px 0; }
  .section-head { margin-bottom: 28px; }
  .service-row { grid-template-columns: 44px minmax(0, 1fr) 36px; gap: 10px; padding: 20px 0; }
  .service-num { font-size: 32px; }
  .service-name { font-size: 18px; }
  .service-desc { font-size: 13px; }
  .service-arrow { width: 32px; height: 32px; }
  .stats-band { padding: 28px 18px; border-radius: 20px; }
  .stat { padding: 16px 14px; }
  .stat:nth-child(odd) { padding-left: 0; }
  .stat:nth-child(even) { border-left: 1px solid rgba(255, 255, 255, .12); }
  .case-card { flex-basis: 86%; }
  .tab-btn { padding: 12px 14px; }
  .latest-lead-body { padding: 18px; }
  .cms-row { grid-template-columns: minmax(0, 1fr) 28px; gap: 10px; padding: 16px 4px; }
  .cms-row-meta { grid-column: 1 / -1; flex-direction: row; align-items: center; flex-wrap: wrap; }
  .cms-row-main { min-width: 0; }
  .contact-band { padding: 30px 18px; border-radius: 20px; }
  .form-card { padding: 20px; }
  .footer-bar { font-size: 11px; }
  .scroll-hint { margin-top: 30px; }
}
@media (max-width: 639px) {
  .header-cta { display: none; }
  .top-actions { gap: 8px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions .btn-primary, .hero-actions .btn-ghost { width: 100%; }
  .empty-actions { width: 100%; }
  .empty-actions .btn-primary, .empty-actions .btn-ghost { width: 100%; }
}
@media (max-width: 420px) {
  .logo { gap: 9px; }
  .logo-mark { width: 28px; height: 28px; }
  .logo-title { font-size: 14px; }
  .logo-sub { display: none; }
  .metric { padding: 0 10px; }
  .metric-label { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .case-card:hover, .latest-lead:hover, .btn-primary:hover, .btn-ghost:hover { transform: none; }
}

/* roulang page: category1 */
:root{
    --ink:#0E1F1A;
    --ink-2:#14342B;
    --lime:#C8F05A;
    --lime-deep:#A9D93C;
    --clay:#C2593A;
    --paper:#F7F6F2;
    --card:#FFFFFF;
    --line:#E3E1D9;
    --muted:#6B7269;
    --radius-btn:10px;
    --radius-card:14px;
    --radius-lg:20px;
    --shadow-1:0 1px 2px rgba(14,31,26,.04);
    --shadow-2:0 12px 32px -12px rgba(14,31,26,.16);
    --font:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:var(--font);
    background:var(--paper);
    color:var(--ink);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:var(--ink);text-decoration:none;transition:color .16s ease;}
  a:hover{color:var(--lime-deep);}
  button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
  input,textarea,select{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
  @media (min-width:1024px){.container{padding-left:40px;padding-right:40px;}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(247,246,242,.95);
    -webkit-backdrop-filter:saturate(140%) blur(8px);
    backdrop-filter:saturate(140%) blur(8px);
    border-bottom:1px solid var(--line);
  }
  .topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
  @media (min-width:1024px){.topbar{height:72px;}}
  .topbar-right{display:flex;align-items:center;gap:10px;}
  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:32px;height:32px;border-radius:8px;background:var(--lime);color:var(--ink);
    display:grid;place-items:center;font-weight:800;font-size:16px;line-height:1;flex-shrink:0;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15;}
  .logo-title{font-weight:800;font-size:16px;letter-spacing:-.01em;}
  .logo-sub{font-size:9.5px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;}
  @media (min-width:768px){.logo-title{font-size:17px;}.logo-sub{font-size:10px;}}
  .search-box{
    display:none;align-items:center;gap:6px;height:40px;padding:0 6px 0 14px;
    border:1px solid var(--line);border-radius:999px;background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,240,90,.35);}
  .search-box input{border:0;outline:0;background:transparent;width:132px;font-size:14px;color:var(--ink);}
  .search-box input::placeholder{color:rgba(107,114,105,.7);}
  .search-btn{width:30px;height:30px;display:grid;place-items:center;border-radius:999px;background:var(--ink);color:var(--paper);transition:background .16s ease;}
  .search-btn:hover{background:var(--ink-2);color:var(--lime);}
  .hotline{display:none;font-size:12.5px;color:var(--muted);line-height:1.4;text-align:right;}
  @media (min-width:1024px){.hotline{display:block;}.search-box{display:flex;}}
  .hotline strong{display:block;color:var(--ink);font-size:13.5px;font-weight:700;font-variant-numeric:tabular-nums;}

  .btn-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
    background:var(--lime);color:var(--ink);font-size:15px;font-weight:600;
    box-shadow:var(--shadow-1);transition:background .16s ease,transform .16s ease,box-shadow .16s ease;
  }
  .btn-primary:hover{background:var(--lime-deep);color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
    border:1px solid var(--line);background:transparent;color:var(--ink);
    font-size:15px;font-weight:600;transition:border-color .16s ease,background .16s ease,transform .16s ease;
  }
  .btn-ghost:hover{border-color:var(--ink);background:#fff;color:var(--ink);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-ghost .arrow{transition:transform .18s ease;}
  .btn-ghost:hover .arrow{transform:translateX(4px);}
  .header-cta{display:none;}
  @media (min-width:768px){.header-cta{display:inline-flex;}}

  .hamburger{
    width:42px;height:42px;display:grid;place-items:center;border-radius:10px;
    border:1px solid var(--line);background:#fff;transition:border-color .16s ease;
  }
  .hamburger:hover{border-color:var(--ink);}
  @media (min-width:1024px){.hamburger{display:none;}}

  /* 频道行 */
  .channelbar{border-top:1px solid transparent;}
  .channel-scroll{
    display:flex;align-items:center;gap:2px;height:46px;
    overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
    scroll-snap-type:x proximity;padding-left:20px;padding-right:20px;
  }
  @media (min-width:768px){.channel-scroll{padding-left:32px;padding-right:32px;}}
  @media (min-width:1024px){.channel-scroll{padding-left:40px;padding-right:40px;}}
  .channel-scroll::-webkit-scrollbar{display:none;}
  .channel{
    position:relative;display:inline-flex;align-items:center;height:46px;padding:0 14px;
    font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;scroll-snap-align:start;
    transition:color .16s ease;
  }
  .channel:hover{color:var(--ink);}
  .channel::after{
    content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--lime);
    transform:scaleX(0);transform-origin:left;transition:transform .22s cubic-bezier(.2,.7,.2,1);
  }
  .channel.active{color:var(--ink);font-weight:700;}
  .channel.active::after{transform:scaleX(1);}

  /* 移动抽屉 */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(14,31,26,.45);opacity:0;visibility:hidden;
    transition:opacity .22s ease,visibility .22s ease;z-index:60;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--paper);z-index:61;
    transform:translateX(100%);transition:transform .26s cubic-bezier(.2,.7,.2,1);
    display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;background:#fff;}
  .drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:20px;}
  .drawer-nav a{padding:12px 4px;font-size:15px;font-weight:600;border-bottom:1px solid var(--line);color:var(--ink);}
  .drawer-nav a.active{color:var(--ink);}
  .drawer-nav a.active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:2px;background:var(--lime);margin-right:8px;vertical-align:middle;}
  .drawer-meta{font-size:13px;color:var(--muted);line-height:1.9;margin-top:auto;padding-top:16px;border-top:1px solid var(--line);}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);padding:20px 0 0;}
  .breadcrumb a{color:var(--muted);}
  .breadcrumb a:hover{color:var(--ink);}
  .breadcrumb .sep{color:rgba(107,114,105,.55);}
  .breadcrumb .current{color:var(--ink);font-weight:600;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  /* ---------- Hero ---------- */
  .page-hero{padding:32px 0 56px;}
  @media (min-width:1024px){.page-hero{padding:44px 0 88px;}}
  .hero-grid{display:grid;gap:32px;align-items:center;}
  @media (min-width:1024px){.hero-grid{grid-template-columns:1fr 1fr;gap:56px;}}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;
    letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:20px;height:2px;background:var(--lime);}
  .hero-h1{
    font-size:clamp(30px,4vw,48px);line-height:1.16;font-weight:800;letter-spacing:-.01em;
    margin-bottom:18px;max-width:16em;
  }
  .hero-h1 em{font-style:normal;background:linear-gradient(180deg,transparent 62%,var(--lime) 62%,var(--lime) 92%,transparent 92%);}
  .hero-lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:34em;margin-bottom:26px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{flex:1 1 auto;}
  @media (min-width:520px){.hero-actions .btn-primary,.hero-actions .btn-ghost{flex:0 0 auto;}}
  .hero-facts{display:flex;flex-wrap:wrap;gap:0;font-size:12.5px;color:var(--muted);}
  .hero-facts span{padding:0 14px;border-left:1px solid var(--line);line-height:1.5;}
  .hero-facts span:first-child{padding-left:0;border-left:0;}
  .hero-facts b{color:var(--ink);font-variant-numeric:tabular-nums;font-weight:700;}

  .hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);}
  .hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  @media (max-width:1023px){.hero-visual img{aspect-ratio:16/10;}}
  .hero-visual::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(14,31,26,0) 45%,rgba(14,31,26,.62) 100%);
  }
  .hero-visual .pill-tag{
    position:absolute;top:16px;left:16px;z-index:2;
    background:var(--lime);color:var(--ink);font-size:12px;font-weight:700;
    padding:6px 12px;border-radius:999px;
  }
  .hero-visual .visual-note{
    position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#F7F6F2;
    font-size:13.5px;line-height:1.7;
  }
  .hero-visual .visual-note strong{display:block;font-size:15px;font-weight:700;margin-bottom:2px;}

  /* ---------- 板块通用 ---------- */
  .section{padding:56px 0;}
  @media (min-width:1024px){.section{padding:96px 0;}}
  .section-line{border-top:1px solid var(--line);}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
  .sec-label{font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;}
  .sec-title{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800;letter-spacing:-.01em;}
  .sec-desc{font-size:15px;color:var(--muted);max-width:40em;margin-top:10px;line-height:1.85;}

  /* ---------- 双栏长文 ---------- */
  .two-col{display:grid;gap:32px;}
  @media (min-width:1024px){.two-col{grid-template-columns:300px minmax(0,1fr);gap:72px;}}
  .side-toc{position:static;}
  @media (min-width:1024px){
    .side-toc{position:sticky;top:140px;align-self:start;}
  }
  .side-toc h2{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;}
  .side-toc nav{display:flex;flex-wrap:wrap;gap:8px;}
  @media (min-width:1024px){
    .side-toc nav{display:block;border-left:1px solid var(--line);padding-left:16px;}
  }
  .side-toc a{
    display:inline-block;font-size:13.5px;color:var(--muted);padding:8px 12px;
    border:1px solid var(--line);border-radius:999px;background:#fff;transition:color .16s ease,border-color .16s ease;
  }
  @media (min-width:1024px){
    .side-toc a{
      display:block;border:0;background:transparent;border-radius:0;padding:9px 0;font-size:14px;
      position:relative;
    }
    .side-toc a:hover{color:var(--ink);}
    .side-toc a.active{color:var(--ink);font-weight:700;}
    .side-toc a.active::before{
      content:"";position:absolute;left:-17px;top:50%;transform:translateY(-50%);
      width:3px;height:18px;background:var(--lime);border-radius:2px;
    }
  }
  .side-toc a:hover{color:var(--ink);border-color:var(--ink);}
  .side-toc .toc-hint{
    margin-top:18px;padding:14px 16px;border-radius:var(--radius-card);background:#fff;
    border:1px solid var(--line);font-size:12.5px;color:var(--muted);line-height:1.8;
  }

  .prose-cn{max-width:none;}
  .prose-cn .block{scroll-margin-top:140px;padding-bottom:36px;margin-bottom:36px;border-bottom:1px solid var(--line);}
  .prose-cn .block:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
  .prose-cn h2{
    font-size:clamp(21px,2.4vw,27px);font-weight:800;line-height:1.3;margin-bottom:16px;
    position:relative;padding-left:16px;letter-spacing:-.01em;
  }
  .prose-cn h2::before{
    content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;background:var(--lime);border-radius:2px;
  }
  .prose-cn h3{font-size:18px;font-weight:700;margin:26px 0 10px;}
  .prose-cn p{font-size:16px;line-height:1.95;color:#2b3a34;margin-bottom:16px;}
  .prose-cn p:last-child{margin-bottom:0;}
  .prose-cn strong{color:var(--ink);font-weight:700;}
  .check-list{margin:16px 0 20px;display:grid;gap:10px;}
  .check-list li{position:relative;padding-left:26px;font-size:15.5px;line-height:1.85;color:#2b3a34;}
  .check-list li::before{
    content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;background:var(--lime);border-radius:2px;
  }
  .note-card{
    border:1px solid var(--line);border-left:3px solid var(--lime);background:#fff;
    border-radius:var(--radius-card);padding:18px 20px;margin:20px 0;box-shadow:var(--shadow-1);
  }
  .note-card h4{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;}
  .note-card p{font-size:15px;margin:0;color:#2b3a34;}
  .figure{margin:24px 0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:#fff;}
  .figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
  .figure:hover img{transform:scale(1.04);}
  .figure figcaption{font-size:12.5px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--line);}

  .step-list{display:grid;gap:0;margin:18px 0 0;counter-reset:step;}
  .step-list li{
    display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;padding:16px 0;border-top:1px solid var(--line);
  }
  .step-list li:last-child{border-bottom:1px solid var(--line);}
  .step-num{
    font-size:13px;font-weight:800;color:var(--ink);background:var(--lime);
    width:32px;height:32px;border-radius:8px;display:grid;place-items:center;font-variant-numeric:tabular-nums;
  }
  .step-body h4{font-size:15.5px;font-weight:700;margin-bottom:4px;}
  .step-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}

  /* ---------- 数据带 ---------- */
  .metrics-wrap{padding:0 0 56px;}
  @media (min-width:1024px){.metrics-wrap{padding:0 0 96px;}}
  .metrics{
    background:var(--ink);color:#F7F6F2;border-radius:24px;padding:36px 24px;box-shadow:var(--shadow-2);
  }
  @media (min-width:768px){.metrics{padding:48px 40px;}}
  .metrics-title{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:rgba(247,246,242,.6);margin-bottom:26px;}
  .metrics-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 18px;}
  @media (min-width:768px){.metrics-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:0;}}
  .metric{position:relative;}
  @media (min-width:768px){
    .metric{padding:0 22px;border-left:1px solid rgba(247,246,242,.16);}
    .metric:first-child{border-left:0;padding-left:0;}
  }
  .metric-num{
    font-size:clamp(34px,4vw,50px);font-weight:800;line-height:1.05;letter-spacing:-.02em;
    font-variant-numeric:tabular-nums;color:var(--lime);
  }
  .metric-num small{font-size:.42em;font-weight:700;color:rgba(247,246,242,.75);margin-left:4px;}
  .metric-label{font-size:12.5px;color:rgba(247,246,242,.72);margin-top:10px;line-height:1.6;}

  /* ---------- FAQ ---------- */
  .accordion{border-top:1px solid var(--line);margin-top:8px;}
  .acc-item{border-bottom:1px solid var(--line);}
  .acc-btn{
    width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
    padding:20px 0;text-align:left;font-size:16.5px;font-weight:700;line-height:1.6;color:var(--ink);
    transition:color .16s ease;
  }
  .acc-btn:hover{color:var(--ink-2);}
  .acc-icon{
    flex-shrink:0;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);
    display:grid;place-items:center;font-size:16px;font-weight:600;color:var(--ink);
    transition:transform .26s ease,background .16s ease,border-color .16s ease;line-height:1;
  }
  .acc-item.open .acc-icon{background:var(--lime);border-color:var(--lime);transform:rotate(45deg);}
  .acc-panel{max-height:0;overflow:hidden;transition:max-height .26s ease;}
  .acc-panel-inner{max-width:720px;padding:0 46px 22px 0;font-size:15.5px;line-height:1.95;color:var(--muted);}

  /* ---------- CTA 描边条 ---------- */
  .cta-strip-wrap{padding:0 0 56px;}
  @media (min-width:1024px){.cta-strip-wrap{padding:0 0 96px;}}
  .cta-strip{
    border:1px solid var(--line);background:#fff;border-radius:20px;padding:28px 24px;
    display:flex;flex-direction:column;gap:20px;box-shadow:var(--shadow-1);
  }
  @media (min-width:768px){
    .cta-strip{flex-direction:row;align-items:center;justify-content:space-between;padding:32px 36px;gap:32px;}
  }
  .cta-strip h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;line-height:1.35;margin-bottom:6px;}
  .cta-strip p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0;}
  .cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%;}
  @media (min-width:520px){.cta-actions .btn-primary,.cta-actions .btn-ghost{width:auto;}}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#F7F6F2;padding:56px 0 0;position:relative;overflow:hidden;}
  @media (min-width:1024px){.site-footer{padding-top:72px;}}
  .site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--lime);opacity:.9;}
  .footer-grid{display:grid;gap:36px;grid-template-columns:1fr;}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr .8fr .8fr 1.1fr;gap:48px;}}
  .site-footer .logo-title{color:#F7F6F2;}
  .site-footer .logo-sub{color:rgba(247,246,242,.55);}
  .footer-desc{font-size:14px;line-height:1.9;color:rgba(247,246,242,.7);margin-top:18px;}
  .footer-note{font-size:12.5px;color:rgba(247,246,242,.55);margin-top:12px;letter-spacing:.02em;}
  .footer-col h4{
    font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
    color:rgba(247,246,242,.55);margin-bottom:16px;
  }
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:14px;color:rgba(247,246,242,.82);transition:color .16s ease,transform .16s ease;}
  .footer-links a:hover{color:var(--lime);transform:translateX(3px);}
  .footer-contact-list{display:flex;flex-direction:column;gap:12px;}
  .footer-contact-item{display:flex;gap:10px;font-size:13.5px;line-height:1.75;color:rgba(247,246,242,.78);}
  .footer-contact-item span[aria-hidden]{flex-shrink:0;color:var(--lime);font-size:12px;letter-spacing:.04em;min-width:28px;}
  .footer-watermark{
    font-size:clamp(48px,12vw,160px);font-weight:800;letter-spacing:-.03em;line-height:1;
    color:rgba(247,246,242,.06);margin-top:40px;user-select:none;white-space:nowrap;
  }
  .footer-bar{
    border-top:1px solid rgba(247,246,242,.14);margin-top:24px;padding:20px 0 28px;
    display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
    font-size:12.5px;color:rgba(247,246,242,.6);line-height:1.8;
  }
  .footer-bar a{color:rgba(247,246,242,.7);}
  .footer-bar a:hover{color:var(--lime);}

  /* 入场动效 */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .42s cubic-bezier(.2,.7,.2,1),transform .42s cubic-bezier(.2,.7,.2,1);}
  .reveal.in{opacity:1;transform:none;}
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition-duration:.01ms !important;}
    .reveal{opacity:1;transform:none;}
    .figure:hover img{transform:none;}
  }

/* roulang page: article */
:root{
  --ink:#0E1F1A;
  --ink-2:#14342B;
  --lime:#C8F05A;
  --lime-deep:#A9D93C;
  --clay:#C2593A;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E3E1D9;
  --muted:#6B7269;
  --r-btn:10px;
  --r-card:14px;
  --r-block:22px;
  --shadow-sm:0 1px 2px rgba(14,31,26,.04);
  --shadow-md:0 12px 32px -12px rgba(14,31,26,.16);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  font-family:Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 40px}}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:40;background:rgba(247,246,242,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.header-top{display:flex;align-items:center;gap:14px;height:64px}
@media (min-width:1024px){.header-top{height:72px;gap:20px}}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;min-width:0}
.logo-mark{width:34px;height:34px;border-radius:9px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-weight:800;font-size:16px;flex-shrink:0}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logo-title{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-sub{font-size:10px;letter-spacing:.14em;color:var(--muted);white-space:nowrap}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.header-hotline{display:none;font-size:12px;color:var(--muted);white-space:nowrap}
@media (min-width:1024px){.header-hotline{display:inline}}
.header-search{display:none;align-items:center;border:1px solid var(--line);border-radius:999px;background:#fff;padding:3px 4px 3px 14px}
@media (min-width:1024px){.header-search{display:flex}}
.header-search-input{border:0;outline:none;background:transparent;font-size:13px;width:170px;color:var(--ink);padding:6px 0}
.header-search-input::placeholder{color:rgba(107,114,105,.7)}
.header-search-btn{width:30px;height:30px;border-radius:999px;background:var(--ink);color:var(--paper);display:grid;place-items:center;font-size:12px;transition:background-color .16s}
.header-search-btn:hover{background:var(--ink-2)}
.icon-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;display:inline-grid;place-items:center;transition:border-color .16s,background-color .16s}
.icon-btn:hover{border-color:var(--ink);background:var(--paper)}
@media (min-width:1024px){.icon-btn.search-trigger{display:none}}
.menu-toggle{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;transition:border-color .16s,background-color .16s}
.menu-toggle:hover{border-color:var(--ink);background:var(--paper)}
@media (min-width:1024px){.menu-toggle{display:none}}
.header-cta{display:none}
@media (min-width:768px){.header-cta{display:inline-flex}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .16s var(--ease),background-color .16s,border-color .16s,color .16s,box-shadow .16s}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn .arrow{transition:transform .16s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
@media (max-width:767px){.header-cta{display:none}}

.mobile-search{display:none;gap:10px;padding:0 20px 14px;align-items:center}
.mobile-search.open{display:flex}
.mobile-search input{flex:1;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:0 14px;font-size:14px;outline:none}
.mobile-search input:focus{border-color:var(--lime-deep)}
@media (min-width:1024px){.mobile-search{display:none!important}}

/* ---------- channel bar ---------- */
.channelbar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.channel-scroll{display:flex;align-items:center;gap:26px;height:46px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity}
.channel-scroll::-webkit-scrollbar{display:none}
.channel{position:relative;font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;padding:12px 0;scroll-snap-align:start;transition:color .15s}
.channel:hover{color:var(--ink)}
.channel.active{color:var(--ink)}
.channel.active::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;background:var(--lime)}

/* ---------- breadcrumb ---------- */
.breadcrumb-wrap{padding:22px 0 0}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);flex-wrap:nowrap;overflow:hidden}
.breadcrumb a{color:var(--muted);transition:color .15s}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{color:rgba(107,114,105,.55)}
.breadcrumb .current{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:62vw}
@media (min-width:1024px){.breadcrumb .current{max-width:640px}}

/* ---------- article shell ---------- */
.article-shell{display:grid;grid-template-columns:1fr;gap:28px;padding:26px 0 8px}
@media (min-width:1024px){
  .article-shell{grid-template-columns:minmax(0,760px) 240px;gap:56px;justify-content:center;align-items:start;padding:40px 0 16px}
}
.article-head{max-width:760px}
.article-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.pill{display:inline-flex;align-items:center;font-size:12px;line-height:1;padding:7px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);letter-spacing:.02em}
.pill-clay{border-color:rgba(194,89,58,.32);background:rgba(194,89,58,.08);color:var(--clay);font-weight:600}
.article-head h1{font-size:clamp(30px,4vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.01em;margin:0 0 18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;padding-bottom:22px;border-bottom:1px solid var(--line)}
.article-meta .dot{color:rgba(107,114,105,.5)}
.article-meta time{color:var(--ink);font-weight:600}

.toc-mobile{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;padding:0 18px;margin-bottom:26px}
.toc-mobile summary{list-style:none;cursor:pointer;font-size:14px;font-weight:700;padding:14px 0;display:flex;align-items:center;justify-content:space-between}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"+";font-size:16px;color:var(--muted)}
.toc-mobile[open] summary::after{content:"−"}
.toc-mobile .toc-list{padding-bottom:14px}
@media (min-width:1024px){.toc-mobile{display:none}}

.article-body-col{min-width:0}

/* ---------- prose ---------- */
.prose-cn{font-size:17px;line-height:1.95;color:#1b2c26;word-break:break-word}
.prose-cn>*:first-child{margin-top:0}
.prose-cn p{margin:0 0 22px}
.prose-cn p:first-of-type{font-size:18.5px;color:var(--ink)}
.prose-cn h2{font-size:26px;line-height:1.35;font-weight:800;margin:46px 0 18px;padding-left:14px;border-left:4px solid var(--lime);scroll-margin-top:140px}
.prose-cn h3{font-size:20px;line-height:1.45;font-weight:700;margin:32px 0 14px;scroll-margin-top:140px}
.prose-cn h4{font-size:17px;font-weight:700;margin:24px 0 12px}
.prose-cn ul,.prose-cn ol{margin:0 0 22px;padding-left:1.4em}
.prose-cn li{margin-bottom:10px}
.prose-cn ul li::marker{color:var(--lime-deep);font-size:1em}
.prose-cn ol li::marker{color:var(--clay);font-weight:700}
.prose-cn blockquote{margin:28px 0;padding:20px 24px;background:#fff;border-left:3px solid var(--lime);border-radius:10px;font-size:18px;color:var(--ink);line-height:1.85}
.prose-cn blockquote p:last-child{margin-bottom:0}
.prose-cn img{border-radius:12px;margin:28px 0 8px;width:100%;height:auto}
.prose-cn figure{margin:28px 0}
.prose-cn figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:8px}
.prose-cn a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(107,114,105,.5);transition:color .15s,text-decoration-color .15s}
.prose-cn a:hover{color:var(--lime-deep);text-decoration-color:var(--lime-deep)}
.prose-cn strong{font-weight:700;color:var(--ink)}
.prose-cn hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.prose-cn table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;display:block;overflow-x:auto;white-space:nowrap}
.prose-cn thead th{background:var(--ink);color:var(--paper);font-weight:700;font-size:14px}
.prose-cn th,.prose-cn td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.prose-cn tbody tr:nth-child(even){background:rgba(227,225,217,.28)}
.prose-cn code{background:rgba(200,240,90,.28);border-radius:6px;padding:2px 6px;font-size:.92em}

/* ---------- aside / toc ---------- */
.article-aside{display:none}
@media (min-width:1024px){
  .article-aside{display:block;grid-column:2;grid-row:1 / span 2;position:sticky;top:132px;align-self:start}
}
.toc-card{border-left:1px solid var(--line);padding-left:18px}
.toc-card h2{font-size:12px;letter-spacing:.12em;font-weight:700;color:var(--muted);margin:0 0 14px;text-transform:uppercase}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px}
.toc-list a{display:block;font-size:13.5px;line-height:1.6;color:var(--muted);padding:7px 0 7px 12px;border-left:2px solid transparent;margin-left:-19px;transition:color .15s,border-color .15s}
.toc-list a:hover{color:var(--ink)}
.toc-list a.active{color:var(--ink);font-weight:700;border-left-color:var(--lime)}
.aside-cta{margin-top:26px;padding:18px;border:1px solid var(--line);border-radius:var(--r-card);background:#fff}
.aside-cta p{font-size:13px;color:var(--muted);line-height:1.8;margin:0 0 14px}
.aside-cta .btn{width:100%;height:40px;font-size:14px;padding:0 14px}

/* ---------- tags / footer of article ---------- */
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin:34px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;font-size:12.5px;padding:7px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--muted);transition:border-color .15s,color .15s,transform .15s}
.tag:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}

.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.article-empty{margin:8px 0 40px;padding:44px 24px;border:1px dashed var(--line);border-radius:var(--r-block);background:#fff;text-align:center}
.article-empty .empty-title{font-size:19px;font-weight:700;margin:0 0 8px}
.article-empty p{font-size:14.5px;color:var(--muted);margin:0 0 22px}

/* ---------- sections ---------- */
.section{padding:56px 0 0}
@media (min-width:1024px){.section{padding:88px 0 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:28px;flex-wrap:wrap}
.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;font-weight:700;margin:0 0 10px}
.section-head h2{font-size:clamp(24px,2.8vw,34px);line-height:1.25;font-weight:800;letter-spacing:-.01em;margin:0}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color .15s}
.link-more:hover{border-color:var(--lime-deep)}
.link-more .arrow{transition:transform .16s var(--ease)}
.link-more:hover .arrow{transform:translateX(4px)}

.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .18s var(--ease),box-shadow .18s,border-color .18s}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(14,31,26,.3)}
.card-img{aspect-ratio:16/10;overflow:hidden;background:var(--paper)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card:hover .card-img img{transform:scale(1.04)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.45;font-weight:700;margin:0}
.card-body p{font-size:14px;line-height:1.85;color:var(--muted);margin:0}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-top:auto;padding-top:6px;font-variant-numeric:tabular-nums}

/* ---------- dark cta ---------- */
.cta-block{background:var(--ink);color:var(--paper);margin-top:56px;position:relative;overflow:hidden}
@media (min-width:1024px){.cta-block{margin-top:96px}}
.cta-inner{display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.25fr 1fr;gap:64px;padding:80px 0;align-items:center}}
.cta-inner h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800;margin:0 0 16px;letter-spacing:-.01em}
.cta-inner p{font-size:15px;line-height:1.9;color:rgba(247,246,242,.72);margin:0 0 22px;max-width:520px}
.cta-list{list-style:none;display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(247,246,242,.86)}
.cta-list li{display:flex;gap:12px;align-items:baseline}
.cta-list .k{color:var(--lime);font-size:12px;width:38px;flex-shrink:0;letter-spacing:.06em}
.cta-actions{display:flex;flex-direction:column;gap:12px}
@media (min-width:640px){.cta-actions{flex-direction:row}}
.cta-actions .btn{height:50px}
.cta-ghost{background:transparent;border-color:rgba(247,246,242,.34);color:var(--paper)}
.cta-ghost:hover{background:rgba(247,246,242,.08);border-color:rgba(247,246,242,.7);color:var(--paper)}

/* ---------- back to top ---------- */
.back-top{position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:999px;border:1px solid rgba(14,31,26,.28);background:rgba(247,246,242,.94);color:var(--ink);display:none;place-items:center;z-index:30;box-shadow:var(--shadow-sm);transition:background-color .15s,transform .15s,opacity .2s}
.back-top:hover{background:var(--lime);transform:translateY(-2px)}
@media (min-width:1024px){.back-top.show{display:grid}}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(14,31,26,.45);opacity:0;pointer-events:none;transition:opacity .25s;z-index:60}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);background:var(--paper);z-index:61;transform:translateX(100%);transition:transform .3s var(--ease);display:flex;flex-direction:column;gap:22px;padding:22px;overflow-y:auto}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;font-size:18px;line-height:1}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{font-size:16px;font-weight:600;padding:12px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer-nav a:active{color:var(--lime-deep)}
.drawer-contact{font-size:13px;color:var(--muted);line-height:2}
.drawer-contact p{margin:0}
@media (min-width:1024px){.drawer,.drawer-mask{display:none}}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);position:relative;overflow:hidden}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding:56px 0 32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:80px 0 44px}}
.footer-brand .logo-title{color:var(--paper)}
.footer-brand .logo-sub{color:rgba(247,246,242,.52)}
.footer-brand .logo-mark{background:var(--lime);color:var(--ink)}
.footer-desc{color:rgba(247,246,242,.68);font-size:14px;line-height:1.9;margin:18px 0 10px}
.footer-note{font-size:12px;color:rgba(247,246,242,.5);margin:0}
.footer-col h4{font-size:12px;letter-spacing:.12em;color:rgba(247,246,242,.5);margin:0 0 16px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:rgba(247,246,242,.82);transition:color .15s}
.footer-links a:hover{color:var(--lime)}
.footer-contact-list{display:flex;flex-direction:column;gap:10px}
.footer-contact-item{display:flex;gap:10px;font-size:14px;color:rgba(247,246,242,.82);line-height:1.7}
.footer-contact-item>span:first-child{color:var(--lime);font-size:12px;width:34px;flex-shrink:0;letter-spacing:.04em}
.footer-watermark{font-size:12vw;font-weight:800;line-height:1;color:rgba(247,246,242,.06);letter-spacing:-.02em;user-select:none;pointer-events:none;white-space:nowrap;overflow:hidden}
.footer-bar{border-top:1px solid rgba(247,246,242,.14);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:12px;color:rgba(247,246,242,.58)}
.footer-bar a{color:rgba(247,246,242,.78);transition:color .15s}
.footer-bar a:hover{color:var(--lime)}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.in{opacity:1;transform:none;transition:opacity .42s var(--ease),transform .42s var(--ease)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:0;transform:none}
  .reveal.in{transition:opacity .3s linear}
  .btn,.card,.card-img img,.link-more .arrow,.back-top{transition:none}
  .card:hover,.btn:hover{transform:none}
  .card:hover .card-img img{transform:none}
}

/* roulang page: category3 */
:root{
    --ink:#0E1F1A;
    --ink-2:#14342B;
    --lime:#C8F05A;
    --lime-deep:#A9D93C;
    --clay:#C2593A;
    --paper:#F7F6F2;
    --card:#FFFFFF;
    --line:#E3E1D9;
    --muted:#6B7269;
    --r-btn:10px;
    --r-card:14px;
    --r-lg:22px;
    --sh-1:0 1px 2px rgba(14,31,26,.04);
    --sh-2:0 12px 32px -12px rgba(14,31,26,.16);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  body.drawer-open{overflow:hidden;}
  img{max-width:100%;display:block;}
  a{color:var(--ink);text-decoration:none;transition:color .16s ease;}
  a:hover{color:var(--lime-deep);}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  input{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.18;}
  p{margin:0;}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  /* ---------- header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:40;
    background:rgba(247,246,242,.96);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .header-top-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    height:64px;
  }
  .logo{display:inline-flex;align-items:center;gap:10px;}
  .logo-mark{
    width:30px;height:30px;flex:0 0 auto;
    display:grid;place-items:center;
    background:var(--lime);
    color:var(--ink);
    border-radius:8px;
    font-weight:800;
    font-size:15px;
    line-height:1;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15;}
  .logo-title{font-weight:800;font-size:16px;letter-spacing:.01em;color:var(--ink);}
  .logo-sub{font-size:10px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;margin-top:3px;}
  .header-actions{display:flex;align-items:center;gap:14px;}
  .search-box{
    display:none;
    align-items:center;
    border:1px solid var(--line);
    background:var(--card);
    border-radius:var(--r-btn);
    padding:0 6px 0 12px;
    height:40px;
    transition:border-color .16s ease;
  }
  .search-box:focus-within{border-color:var(--ink);}
  .search-box input{
    border:0;background:transparent;outline:none;
    width:150px;font-size:14px;color:var(--ink);height:36px;
  }
  .search-box input::placeholder{color:rgba(107,114,105,.65);}
  .search-box button{
    width:28px;height:28px;display:grid;place-items:center;
    border-radius:6px;color:var(--ink);
  }
  .search-box button:hover{background:var(--paper);}
  .header-note{display:none;font-size:12px;color:var(--muted);letter-spacing:.02em;white-space:nowrap;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;line-height:1;
    transition:transform .16s ease,background-color .16s ease,border-color .16s ease,box-shadow .16s ease,color .16s ease;
  }
  .btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1);}
  .btn-primary:hover{background:var(--lime-deep);color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
  .btn-ghost{border:1px solid var(--line);background:transparent;color:var(--ink);}
  .btn-ghost:hover{border-color:var(--ink);background:var(--paper);color:var(--ink);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .header-cta{display:none;}
  .nav-toggle{
    width:42px;height:42px;display:grid;place-items:center;
    border:1px solid var(--line);border-radius:var(--r-btn);
    background:var(--card);
  }
  .nav-toggle:hover{border-color:var(--ink);}
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  /* ---------- channel tabs ---------- */
  .channelbar{border-bottom:1px solid var(--line);background:rgba(247,246,242,.98);}
  .channel-scroll{
    display:flex;align-items:center;gap:8px;
    height:48px;overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    scroll-snap-type:x proximity;
  }
  .channel-scroll::-webkit-scrollbar{display:none;}
  .channel{
    position:relative;
    display:inline-flex;align-items:center;
    height:48px;padding:0 14px;
    font-size:14px;font-weight:600;color:var(--muted);
    white-space:nowrap;scroll-snap-align:start;
    transition:color .16s ease;
  }
  .channel::after{
    content:"";position:absolute;left:14px;right:14px;bottom:0;
    height:2px;background:var(--lime);
    transform:scaleX(0);transform-origin:left;
    transition:transform .22s cubic-bezier(.2,.7,.2,1);
  }
  .channel:hover{color:var(--ink);}
  .channel:hover::after{transform:scaleX(1);}
  .channel.active{color:var(--ink);font-weight:700;}
  .channel.active::after{transform:scaleX(1);}
  /* ---------- breadcrumb ---------- */
  .crumbs{
    display:flex;align-items:center;gap:8px;
    font-size:12.5px;color:var(--muted);
    padding:22px 0 0;
    flex-wrap:wrap;
  }
  .crumbs a{color:var(--muted);}
  .crumbs a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime-deep);}
  .crumbs .sep{opacity:.6;}
  .crumbs .current{color:var(--ink);font-weight:600;}
  /* ---------- page head ---------- */
  .page-head{padding:34px 0 56px;border-bottom:1px solid var(--line);}
  .page-head-grid{display:grid;gap:28px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:700;letter-spacing:.12em;
    text-transform:uppercase;color:var(--muted);
    margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);}
  .page-head h1{
    font-size:clamp(30px,4.2vw,48px);
    line-height:1.14;
    max-width:15em;
  }
  .page-head h1 em{font-style:normal;background:linear-gradient(transparent 62%,var(--lime) 62%);}
  .page-head-lead{
    margin-top:18px;max-width:34em;
    font-size:16.5px;color:var(--muted);line-height:1.9;
  }
  .head-aside p{font-size:15.5px;color:var(--muted);line-height:1.95;}
  .head-aside p + p{margin-top:14px;}
  .pill-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
  .pill{
    display:inline-flex;align-items:center;
    padding:6px 12px;border-radius:999px;
    font-size:12.5px;line-height:1.4;
    border:1px solid var(--line);
    background:var(--card);
    color:var(--ink);
  }
  .pill-clay{
    background:rgba(194,89,58,.09);
    border-color:rgba(194,89,58,.28);
    color:var(--clay);
    font-weight:600;
  }
  .pill-lime{background:rgba(200,240,90,.34);border-color:rgba(169,217,60,.5);font-weight:600;}
  /* ---------- section basics ---------- */
  .section{padding:64px 0;border-bottom:1px solid var(--line);}
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;
    gap:20px;margin-bottom:32px;flex-wrap:wrap;
  }
  .section-label{
    font-size:12px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--muted);font-weight:700;margin-bottom:10px;
  }
  .section-head h2{font-size:clamp(24px,3vw,36px);}
  .section-head .link-more{
    font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;
  }
  .section-head .link-more svg{transition:transform .16s ease;}
  .section-head .link-more:hover svg{transform:translateX(4px);}
  /* ---------- feature block ---------- */
  .feature{display:grid;gap:26px;align-items:center;}
  .feature-media{
    border-radius:var(--r-lg);overflow:hidden;
    background:var(--ink);box-shadow:var(--sh-1);
  }
  .feature-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1);}
  .feature-media:hover img{transform:scale(1.03);}
  .feature-body h3{font-size:clamp(21px,2.4vw,28px);line-height:1.3;margin-bottom:14px;}
  .feature-body p{color:var(--muted);font-size:16px;}
  .feature-body p + p{margin-top:12px;}
  .feature-list{margin-top:20px;display:grid;gap:10px;}
  .feature-list li{
    display:flex;gap:10px;font-size:15.5px;color:var(--ink);
  }
  .feature-list li::before{
    content:"";flex:0 0 auto;width:8px;height:8px;margin-top:10px;
    background:var(--lime);border-radius:2px;
  }
  /* ---------- guide list ---------- */
  .guide-list{border-top:1px solid var(--line);}
  .guide-item{
    display:grid;
    grid-template-columns:1fr auto;
    gap:12px;
    padding:22px 0;
    border-bottom:1px solid var(--line);
  }
  .guide-meta{
    display:flex;align-items:center;gap:10px;flex-wrap:wrap;
    grid-column:1 / -1;
    font-size:12.5px;color:var(--muted);
  }
  .guide-meta time{font-variant-numeric:tabular-nums;letter-spacing:.02em;}
  .guide-item h3{
    font-size:18px;font-weight:700;line-height:1.45;
    margin-top:2px;
  }
  .guide-item h3 a{background-image:linear-gradient(var(--lime-deep),var(--lime-deep));background-size:0 1px;background-repeat:no-repeat;background-position:0 100%;transition:background-size .2s ease;}
  .guide-item:hover h3 a{background-size:100% 1px;}
  .guide-item p{font-size:14.5px;color:var(--muted);margin-top:6px;max-width:56em;}
  .guide-arrow{
    align-self:center;
    width:36px;height:36px;border-radius:50%;
    border:1px solid var(--line);
    display:grid;place-items:center;
    color:var(--ink);
    transition:transform .16s ease,border-color .16s ease,background-color .16s ease;
  }
  .guide-item:hover .guide-arrow{transform:translateX(4px);border-color:var(--ink);background:var(--card);}
  /* ---------- table ---------- */
  .table-wrap{
    overflow-x:auto;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    background:var(--card);
    box-shadow:var(--sh-1);
  }
  table.data{width:100%;border-collapse:collapse;min-width:660px;}
  table.data caption{
    caption-side:top;text-align:left;
    padding:18px 22px 4px;
    font-size:13px;color:var(--muted);
  }
  table.data th,table.data td{
    padding:16px 22px;
    text-align:left;
    font-size:14.5px;
    border-bottom:1px solid var(--line);
    vertical-align:top;
  }
  table.data thead th{
    background:var(--ink);color:var(--paper);
    font-size:13px;font-weight:700;letter-spacing:.04em;
    border-bottom:0;
    white-space:nowrap;
  }
  table.data tbody tr:last-child td{border-bottom:0;}
  table.data tbody tr{transition:background-color .16s ease;}
  table.data tbody tr:hover{background:var(--paper);}
  table.data td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
  table.data td:nth-child(3),table.data td:nth-child(4){font-variant-numeric:tabular-nums;color:var(--muted);white-space:nowrap;}
  /* ---------- faq ---------- */
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 0;text-align:left;
    font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.55;
    transition:color .16s ease;
  }
  .faq-q:hover{color:var(--ink-2);}
  .faq-icon{
    flex:0 0 auto;width:22px;height:22px;position:relative;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;
    width:13px;height:2px;background:var(--ink);
    transform:translate(-50%,-50%);
    transition:transform .26s cubic-bezier(.2,.7,.2,1),background-color .16s ease;
  }
  .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
  .faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(0deg);}
  .faq-item.open .faq-icon::before{background:var(--lime-deep);}
  .faq-item.open .faq-icon::after{background:var(--lime-deep);}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height .26s cubic-bezier(.2,.7,.2,1);
  }
  .faq-a-inner{
    max-width:720px;
    padding:0 0 22px;
    font-size:15.5px;color:var(--muted);line-height:1.9;
  }
  /* ---------- cta strip ---------- */
  .cta-strip{
    display:grid;gap:22px;
    padding:34px 26px;
    border:1px solid var(--ink);
    border-radius:var(--r-lg);
    background:var(--card);
    box-shadow:var(--sh-1);
  }
  .cta-strip h2{font-size:clamp(22px,2.6vw,30px);line-height:1.28;}
  .cta-strip p{color:var(--muted);font-size:15.5px;margin-top:12px;max-width:36em;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-self:center;}
  .cta-actions .btn{width:100%;}
  /* ---------- footer ---------- */
  .site-footer{
    background:var(--ink);color:rgba(247,246,242,.86);
    padding-top:64px;position:relative;
    margin-top:0;
  }
  .site-footer::before{
    content:"";position:absolute;top:0;left:0;right:0;height:3px;
    background:var(--lime);
  }
  .site-footer .logo-title{color:var(--paper);}
  .site-footer .logo-sub{color:rgba(247,246,242,.5);}
  .site-footer .logo-mark{background:var(--lime);color:var(--ink);}
  .footer-grid{display:grid;gap:36px;padding-bottom:48px;}
  .footer-brand .logo{margin-bottom:18px;}
  .footer-desc{font-size:14.5px;line-height:1.9;color:rgba(247,246,242,.66);}
  .footer-note{font-size:12.5px;color:rgba(247,246,242,.45);margin-top:14px;letter-spacing:.03em;}
  .footer-col h4{
    font-size:13px;font-weight:700;letter-spacing:.1em;
    color:var(--paper);margin-bottom:16px;text-transform:uppercase;
  }
  .footer-links{display:grid;gap:10px;}
  .footer-links a{
    font-size:14px;color:rgba(247,246,242,.66);
    transition:color .16s ease,padding-left .16s ease;
  }
  .footer-links a:hover{color:var(--lime);padding-left:4px;}
  .footer-contact-list{display:grid;gap:12px;}
  .footer-contact-item{
    display:flex;gap:10px;font-size:14px;color:rgba(247,246,242,.66);line-height:1.7;
  }
  .footer-contact-item span:first-child{
    flex:0 0 auto;color:rgba(247,246,242,.4);font-size:12px;letter-spacing:.08em;
    padding-top:3px;min-width:30px;
  }
  .footer-watermark{
    font-size:12vw;line-height:.8;font-weight:800;
    color:rgba(247,246,242,.05);
    letter-spacing:.02em;user-select:none;
    padding-bottom:18px;overflow:hidden;white-space:nowrap;
  }
  .footer-bar{
    border-top:1px solid rgba(247,246,242,.14);
    padding:20px 0 26px;
    display:flex;flex-wrap:wrap;gap:12px 26px;
    font-size:12.5px;color:rgba(247,246,242,.5);
  }
  .footer-bar a{color:rgba(247,246,242,.66);}
  .footer-bar a:hover{color:var(--lime);}
  /* ---------- mobile drawer ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(14,31,26,.48);
    opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
    z-index:60;
  }
  .drawer-mask.show{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
    background:var(--paper);z-index:61;
    transform:translateX(100%);
    transition:transform .28s cubic-bezier(.2,.7,.2,1);
    display:flex;flex-direction:column;
    padding:22px;
    overflow-y:auto;
  }
  .drawer.show{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
  .drawer-close{
    width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);
    display:grid;place-items:center;font-size:18px;line-height:1;background:var(--card);
  }
  .drawer-close:hover{border-color:var(--ink);}
  .drawer-nav{display:grid;gap:4px;margin-bottom:26px;}
  .drawer-nav a{
    padding:13px 4px;font-size:16px;font-weight:600;
    border-bottom:1px solid var(--line);
  }
  .drawer-nav a.active{color:var(--ink);}
  .drawer-nav a.active::after{content:"·";color:var(--lime-deep);margin-left:8px;font-weight:800;}
  .drawer-cta{display:grid;gap:12px;margin-top:auto;}
  .drawer-contact{font-size:13px;color:var(--muted);line-height:1.9;margin-bottom:16px;}
  /* ---------- reveal ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .42s cubic-bezier(.2,.7,.2,1),transform .42s cubic-bezier(.2,.7,.2,1);}
  .reveal.in{opacity:1;transform:none;}
  /* ---------- responsive ---------- */
  @media (min-width:640px){
    .container{padding-left:32px;padding-right:32px;}
    .search-box{display:flex;}
    .header-cta{display:inline-flex;}
    .cta-actions .btn{width:auto;}
    .guide-item{grid-template-columns:1fr auto;padding:26px 0;}
    .guide-item h3{font-size:19px;}
  }
  @media (min-width:768px){
    .page-head{padding:44px 0 68px;}
    .page-head-grid{grid-template-columns:1.15fr .85fr;gap:48px;align-items:end;}
    .section{padding:80px 0;}
    .feature{grid-template-columns:.95fr 1.05fr;gap:44px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
    .cta-strip{grid-template-columns:1.4fr .6fr;align-items:center;padding:44px 40px;}
    .cta-actions{justify-content:flex-end;}
  }
  @media (min-width:1024px){
    .container{padding-left:40px;padding-right:40px;}
    .header-top-inner{height:72px;}
    .search-box input{width:190px;}
    .header-note{display:block;}
    .nav-toggle{display:none;}
    .channel-scroll{height:48px;}
    .section{padding:96px 0;}
    .page-head{padding:52px 0 80px;}
    .feature{gap:56px;}
    .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;}
    .footer-bar{justify-content:space-between;align-items:center;}
    .drawer,.drawer-mask{display:none;}
    .guide-item{padding:30px 0;}
    .guide-item h3{font-size:20px;}
  }
  @media (min-width:1280px){
    .page-head h1{font-size:52px;}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
    .reveal{transform:none;}
    .feature-media:hover img{transform:none;}
    .guide-item:hover .guide-arrow{transform:none;}
  }

/* roulang page: category2 */
:root{
  --ink:#0E1F1A;
  --ink-2:#14342B;
  --lime:#C8F05A;
  --lime-deep:#A9D93C;
  --clay:#C2593A;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E3E1D9;
  --muted:#6B7269;
  --r-btn:10px;
  --r-card:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,31,26,.04);
  --sh-2:0 12px 32px -12px rgba(14,31,26,.16);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--lime-deep);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:where(a,button,input,select,textarea):focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:4px;
}
::selection{background:var(--lime);color:var(--ink);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1024px){.container{padding:0 40px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar{height:64px;display:flex;align-items:center;}
@media (min-width:1024px){.topbar{height:72px;}}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;}

.logo{display:inline-flex;align-items:center;gap:10px;min-width:0;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;flex:0 0 auto;
  border-radius:9px;background:var(--lime);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;letter-spacing:-.02em;
  transition:transform .18s var(--ease),background .18s ease;
}
.logo:hover .logo-mark{transform:translateY(-1px);background:var(--lime-deep);}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.logo-title{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.logo-sub{font-size:10.5px;letter-spacing:.1em;color:var(--muted);white-space:nowrap;}
@media (min-width:1024px){
  .logo-title{font-size:17.5px;}
  .logo-sub{font-size:11px;}
}

.topbar-right{display:flex;align-items:center;gap:10px;}
@media (min-width:768px){.topbar-right{gap:16px;}}

.search-box{
  display:none;
  align-items:center;gap:8px;
  height:40px;width:220px;padding:0 14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,240,90,.35);}
.search-box svg{flex:0 0 auto;color:var(--muted);}
.search-box input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:13.5px;color:var(--ink);font-family:inherit;
}
.search-box input::placeholder{color:rgba(107,114,105,.7);}
@media (min-width:1024px){.search-box{display:flex;}}

.hotline{display:none;font-size:12.5px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums;}
@media (min-width:1200px){.hotline{display:inline-block;}}

.icon-btn{
  width:40px;height:40px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--card);color:var(--ink);
  cursor:pointer;transition:background .16s ease,border-color .16s ease,transform .16s ease;
}
.icon-btn:hover{background:var(--paper);border-color:var(--ink);transform:translateY(-1px);}
@media (min-width:1024px){.icon-btn.search-toggle{display:none;}}
.icon-btn.menu-toggle{display:inline-flex;}
@media (min-width:1024px){.icon-btn.menu-toggle{display:none;}}

.top-cta{display:none;}
@media (min-width:768px){.top-cta{display:inline-flex;}}

.mobile-search{display:none;padding:0 0 14px;}
.mobile-search.open{display:block;}
.mobile-search .search-box{display:flex;width:100%;height:44px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0);}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-deep);color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink);background:var(--card);transform:translateY(-1px);}
.btn-dark{background:var(--ink);color:var(--paper);}
.btn-dark:hover{background:var(--ink-2);color:var(--paper);transform:translateY(-1px);}
.btn-block{width:100%;height:48px;}
@media (min-width:640px){.btn-block{width:auto;min-width:180px;}}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.link-arrow svg{width:14px;height:14px;transition:transform .18s var(--ease);}
.link-arrow:hover{color:var(--ink);border-color:var(--lime-deep);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- channel bar ---------- */
.channelbar{background:rgba(247,246,242,.94);border-bottom:1px solid var(--line);}
.channel-scroll{
  display:flex;align-items:center;gap:22px;
  height:46px;
  overflow-x:auto;
  overflow-y:hidden;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  display:inline-flex;align-items:center;
  height:46px;
  flex:0 0 auto;
  padding:0 2px;
  font-size:14.5px;
  color:var(--muted);
  white-space:nowrap;
  scroll-snap-align:start;
  transition:color .16s ease;
}
.channel:hover{color:var(--ink);}
.channel.active{color:var(--ink);font-weight:700;}
.channel.active::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--lime);border-radius:2px;
}
@media (min-width:768px){.channel-scroll{gap:30px;height:48px;}.channel{height:48px;font-size:15px;}}

/* ---------- page head ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--muted);
  padding:22px 0 0;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb span[aria-hidden]{color:var(--line);}
.breadcrumb .current{color:var(--ink);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.page-head{padding:26px 0 0;}
.page-head-grid{display:grid;gap:18px;margin-top:18px;}
@media (min-width:900px){
  .page-head-grid{grid-template-columns:1.35fr .65fr;gap:48px;align-items:end;margin-top:22px;}
}
.eyebrow{
  display:inline-block;
  font-size:12px;letter-spacing:.12em;
  color:var(--muted);
  padding:0 0 12px;
}
.eyebrow::before{
  content:"";display:inline-block;
  width:16px;height:2px;background:var(--lime);border-radius:2px;
  vertical-align:middle;margin-right:8px;
}
h1{
  font-size:clamp(30px,4.4vw,48px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
}
h1 .block{display:block;}
h1 .hl{
  background:linear-gradient(180deg,transparent 64%,var(--lime) 64%);
  display:inline-block;
  padding-right:2px;
}
.page-head-note{
  font-size:15.5px;
  line-height:1.9;
  color:var(--muted);
  max-width:420px;
}
@media (min-width:900px){.page-head-note{padding-bottom:6px;}}

.stat-strip{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px 12px;
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
@media (min-width:768px){
  .stat-strip{grid-template-columns:repeat(4,1fr);gap:0;}
  .stat-strip li{padding:0 24px;border-left:1px solid var(--line);}
  .stat-strip li:first-child{padding-left:0;border-left:0;}
}
.stat-num{
  display:block;
  font-size:clamp(24px,3vw,32px);
  font-weight:800;
  line-height:1.15;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.stat-label{display:block;font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.6;}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{
  display:grid;gap:16px;
  padding-bottom:28px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
@media (min-width:900px){
  .section-head{grid-template-columns:1fr 1fr;align-items:end;gap:48px;padding-bottom:34px;}
  .section-note{text-align:right;}
}
h2{
  font-size:clamp(26px,3vw,38px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
}
.section-note{font-size:15px;color:var(--muted);line-height:1.9;}

/* ---------- feature rows ---------- */
.feature-list{margin-top:8px;}
.feature-row{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
  padding:40px 0;
  border-bottom:1px solid var(--line);
}
.feature-row:last-child{border-bottom:0;padding-bottom:0;}
@media (min-width:900px){
  .feature-row{
    grid-template-columns:5fr 7fr;
    gap:56px;
    align-items:center;
    padding:64px 0;
  }
  .feature-row.reverse .feature-media{order:2;}
  .feature-row.reverse .feature-body{order:1;}
}
.feature-media{
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--card);
  box-shadow:var(--sh-1);
}
.feature-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .55s var(--ease);
}
.feature-media:hover img{transform:scale(1.04);}
.feature-index{
  display:block;
  font-size:clamp(34px,4.4vw,52px);
  font-weight:800;
  line-height:1;
  color:var(--lime-deep);
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  margin-bottom:10px;
}
.feature-body h3{
  font-size:clamp(20px,2.2vw,24px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.01em;
}
.feature-body p{
  margin-top:14px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--muted);
  max-width:560px;
}
.pill{
  display:inline-flex;align-items:center;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:12px;line-height:1.5;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--muted);
}
.pill-clay{
  border-color:rgba(194,89,58,.28);
  background:rgba(194,89,58,.08);
  color:var(--clay);
}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.bullet-list{display:grid;gap:10px;margin-top:20px;}
.bullet-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  line-height:1.75;
  color:var(--ink);
}
.bullet-list li::before{
  content:"";
  position:absolute;left:0;top:.62em;
  width:7px;height:7px;
  background:var(--lime);
  border-radius:2px;
}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
  margin-top:36px;
}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);gap:26px;}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:24px;}}
.step{
  border-top:1px dashed var(--line);
  padding-top:22px;
}
.step-num{
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  background:var(--lime);
  color:var(--ink);
  font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:700;line-height:1.4;}
.step p{margin-top:8px;font-size:14.5px;line-height:1.85;color:var(--muted);}

/* ---------- faq ---------- */
.faq-grid{display:grid;gap:26px;}
@media (min-width:900px){
  .faq-grid{grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
}
.faq-aside p{font-size:15px;line-height:1.9;color:var(--muted);margin-top:14px;max-width:320px;}
.accordion{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-trigger{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;
  background:none;border:0;
  font-size:16.5px;font-weight:700;line-height:1.5;
  color:var(--ink);
  text-align:left;
  cursor:pointer;
  transition:color .16s ease;
}
.acc-trigger:hover{color:var(--ink-2);}
.acc-icon{position:relative;width:16px;height:16px;flex:0 0 auto;}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;
  background:var(--ink);
  transition:transform .24s var(--ease),opacity .24s ease;
}
.acc-icon::before{left:0;top:7px;width:16px;height:2px;}
.acc-icon::after{left:7px;top:0;width:2px;height:16px;}
.acc-trigger[aria-expanded="true"] .acc-icon::after{transform:rotate(90deg);opacity:0;}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.acc-panel p{
  padding:0 0 20px;
  max-width:720px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--muted);
}

/* ---------- dark cta ---------- */
.cta-block{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  background:var(--ink);
  color:var(--paper);
  padding:36px 22px;
}
.cta-block::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(100deg,rgba(14,31,26,.97) 22%,rgba(14,31,26,.72)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  z-index:0;
}
.cta-inner{position:relative;z-index:1;display:grid;gap:26px;}
@media (min-width:900px){
  .cta-block{padding:48px;}
  .cta-inner{grid-template-columns:1.3fr .7fr;align-items:center;gap:48px;}
}
.cta-block .eyebrow{color:rgba(247,246,242,.6);}
.cta-block h2{color:var(--paper);}
.cta-block p.cta-desc{
  margin-top:14px;
  font-size:15.5px;
  line-height:1.9;
  color:rgba(247,246,242,.72);
  max-width:520px;
}
.cta-actions{display:flex;flex-direction:column;gap:14px;}
@media (min-width:640px) and (max-width:899px){.cta-actions{flex-direction:row;align-items:center;}}
@media (min-width:900px){.cta-actions{align-items:flex-end;}}
.cta-meta{font-size:13px;color:rgba(247,246,242,.62);line-height:1.8;}
.cta-meta strong{color:var(--paper);font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:var(--paper);
  margin-top:80px;
  padding:52px 0 0;
}
@media (min-width:1024px){.site-footer{margin-top:104px;padding-top:64px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:34px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}}
.site-footer .logo-title{color:var(--paper);}
.site-footer .logo-sub{color:rgba(247,246,242,.5);}
.site-footer .logo:hover{color:var(--paper);}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.9;
  color:rgba(247,246,242,.7);
  max-width:340px;
}
.footer-note{margin-top:10px;font-size:12.5px;color:rgba(247,246,242,.5);font-variant-numeric:tabular-nums;}
.footer-col h4{
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.1em;
  color:rgba(247,246,242,.5);
  margin-bottom:14px;
}
.footer-links a{
  display:block;
  padding:6px 0;
  font-size:14px;
  color:rgba(247,246,242,.72);
  transition:color .16s ease,padding-left .16s ease;
}
.footer-links a:hover{color:var(--lime);padding-left:5px;}
.footer-contact-list{display:grid;gap:6px;}
.footer-contact-item{
  display:flex;gap:10px;
  font-size:14px;line-height:1.75;
  color:rgba(247,246,242,.72);
}
.footer-contact-item span:first-child{
  flex:0 0 auto;
  min-width:32px;
  font-size:12px;
  color:var(--lime);
  padding-top:2px;
}
.footer-watermark{
  margin-top:34px;
  font-size:clamp(44px,12vw,148px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  color:rgba(247,246,242,.06);
  white-space:nowrap;
  overflow:hidden;
  user-select:none;
}
.footer-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  justify-content:space-between;
  align-items:center;
  padding:18px 0 24px;
  margin-top:14px;
  border-top:1px solid rgba(247,246,242,.12);
  font-size:12.5px;
  color:rgba(247,246,242,.55);
}
.footer-bar a{color:rgba(247,246,242,.68);}
.footer-bar a:hover{color:var(--lime);}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(14,31,26,.52);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
  z-index:80;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;
  height:100%;
  width:min(360px,86vw);
  background:var(--paper);
  z-index:81;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  display:flex;flex-direction:column;
  padding:18px 20px 28px;
  overflow-y:auto;
  box-shadow:-18px 0 48px -24px rgba(14,31,26,.4);
}
body.drawer-open .drawer{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-nav{display:grid;gap:2px;padding:16px 0;border-bottom:1px solid var(--line);}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 2px;
  font-size:16px;font-weight:600;
  color:var(--ink);
  border-bottom:1px solid rgba(227,225,217,.6);
}
.drawer-nav a:last-child{border-bottom:0;}
.drawer-nav a.active{color:var(--ink);}
.drawer-nav a.active::after{
  content:"";width:7px;height:7px;border-radius:2px;background:var(--lime);
}
.drawer-contact{display:grid;gap:8px;padding:18px 0;font-size:14px;color:var(--muted);}
.drawer-contact strong{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums;}
.drawer .btn{margin-top:auto;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

.reveal{opacity:1;transform:none;}