/* roulang page: index */
:root {
  --ink: #16443D;
  --ink-deep: #0E2F2A;
  --ink-soft: #1F4A42;
  --copper: #C89B6C;
  --copper-deep: #B2804C;
  --cream: #F5F2EC;
  --paper: #FBF9F4;
  --text: #2B2E2B;
  --muted: #6B736F;
  --light-green: #E8EFEB;
  --border: #E6E1D8;
  --border-deep: #CFC6B8;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(22, 68, 61, 0.06);
  --shadow-md: 0 18px 40px rgba(22, 68, 61, 0.10);
  --shadow-lg: 0 30px 60px rgba(16, 56, 48, 0.16);
  --radius: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: 0.28s ease;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
  border-radius: 4px;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 200;
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius);
}
.skip-link:focus { left: 12px; }
.section {
  padding: clamp(72px, 8.5vw, 116px) 0;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper-deep);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--copper);
  display: inline-block;
}
.section-title {
  font-size: clamp(30px, 3.6vw, 48px);
  line-height: 1.2;
  color: var(--ink-deep);
  margin-top: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.lead {
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 620px;
  margin-top: 18px;
}
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(22, 68, 61, 0.18);
}
.btn-primary:hover {
  background: var(--ink-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(22, 68, 61, 0.24);
}
.btn-copper {
  background: var(--copper);
  color: #17271F;
}
.btn-copper:hover {
  background: var(--copper-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(176, 128, 76, 0.28);
}
.btn-outline {
  border: 1px solid var(--border-deep);
  color: var(--ink);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--ink);
  background: rgba(22, 68, 61, 0.04);
  transform: translateY(-2px);
}
.btn-outline-light {
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  background: transparent;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}
.btn-lg { min-height: 52px; padding: 14px 30px; font-size: 16px; border-radius: 8px; }
.btn-xl { min-height: 58px; padding: 16px 40px; font-size: 17px; }
.btn-sm { min-height: 38px; padding: 7px 16px; font-size: 14px; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  font-weight: 600;
}
.text-link:hover { color: var(--copper-deep); }
/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 253, 249, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 78px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
.brand-logo strong {
  font-size: 23px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.brand-logo strong em {
  font-style: normal;
  color: var(--copper-deep);
}
.brand-logo span.brand-dot {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--copper);
  margin-top: 5px;
}
.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 34px);
}
.site-nav > a:not(.btn) {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: #31433E;
  padding: 34px 2px 30px;
  transition: color var(--transition);
}
.site-nav > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 24px;
  width: 0;
  height: 2px;
  border-radius: 4px;
  background: var(--ink);
  transition: width 0.25s ease;
}
.site-nav > a:not(.btn):hover { color: var(--copper-deep); }
.site-nav > a:not(.btn):hover::after { width: 100%; }
.site-nav > a.active:not(.btn) { color: var(--ink); }
.site-nav > a.active:not(.btn)::after { width: 100%; }
.nav-download { margin-left: 2px; flex: 0 0 auto; }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: #fff;
}
.menu-toggle .menu-line {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 4px;
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle.is-open .menu-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open .menu-line:nth-child(2) { opacity: 0; }
.menu-toggle.is-open .menu-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
/* Hero */
.hero {
  position: relative;
  background-image: linear-gradient(118deg, rgba(246, 243, 236, 0.90) 0%, rgba(237, 242, 237, 0.80) 55%, rgba(247, 244, 238, 0.84) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: 64px;
  align-items: center;
  padding: clamp(80px, 9vw, 132px) 0 clamp(84px, 9vw, 140px);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: rgba(22, 68, 61, 0.07);
  border: 1px solid rgba(22, 68, 61, 0.16);
  padding: 7px 16px;
  border-radius: 999px;
  font-weight: 600;
}
.verify-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--copper);
  box-shadow: 0 0 0 3px rgba(200, 155, 108, 0.2);
}
.hero-title {
  font-size: clamp(40px, 5.6vw, 70px);
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: var(--ink-deep);
  font-weight: 900;
  margin: 26px 0 22px;
}
.hero-copy-desc {
  font-size: 17px;
  line-height: 1.9;
  color: #4C5A55;
  max-width: 580px;
}
.hero-sub-note {
  font-size: 14px;
  color: var(--muted);
  margin-top: 14px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
}
.hero-visual {
  position: relative;
}
.browser-frame {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid rgba(22, 68, 61, 0.08);
  transform: translateY(0);
  animation: floatIn 0.8s ease both;
}
@keyframes floatIn {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}
.browser-bar {
  height: 44px;
  background: #F7F4EE;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
}
.browser-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #D8CFBF;
}
.browser-bar i:first-child { background: #E8A58B; }
.browser-bar i:nth-child(2) { background: #DFC08A; }
.browser-bar i:nth-child(3) { background: #A8C6A5; }
.browser-address {
  flex: 1;
  margin-left: 10px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 60px;
}
.hero-screenshot {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #eff1eb;
}
.hero-screenshot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.hero-file-status {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.6);
  padding: 8px 14px;
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-file-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #57B286;
}
/* Carousel */
.carousel-section {
  background: #fff;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.carousel-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  margin-bottom: 44px;
}
.carousel-intro {
  max-width: 640px;
}
.carousel-wrap {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 8px;
}
.orbit {
  position: relative;
}
.orbit-container {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #dfe3dd;
  box-shadow: var(--shadow-md);
}
.orbit-slide {
  width: 100%;
}
.orbit-figure {
  margin: 0;
  position: relative;
}
.orbit-slide img {
  width: 100%;
  height: clamp(280px, 42vw, 560px);
  object-fit: cover;
  display: block;
}
.orbit-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(transparent, rgba(11, 35, 30, 0.85));
  color: #fff;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 70px 32px 26px;
}
.orbit-caption .slide-index {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.66);
  display: block;
  margin-bottom: 6px;
}
.orbit-caption .slide-title {
  font-size: 20px;
  font-weight: 700;
}
.orbit-caption .slide-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.82);
  max-width: 460px;
}
.orbit-previous,
.orbit-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.orbit-previous { left: 14px; }
.orbit-next { right: 14px; }
.orbit-previous:hover,
.orbit-next:hover {
  background: var(--ink);
  color: #fff;
}
.orbit-bullets {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  padding: 0;
  position: static;
}
.orbit-bullets button {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #D5CFC3;
  display: block;
  cursor: pointer;
  transition: width var(--transition), background var(--transition);
}
.orbit-bullets button.is-active {
  width: 32px;
  background: var(--ink);
  border-radius: 999px;
}
/* Sys Requirements */
.sysreq-section {
  background: var(--light-green);
}
.sysreq-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.6fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}
.sysreq-intro {
  position: sticky;
  top: 110px;
}
.help-tip {
  margin-top: 28px;
  background: rgba(255,255,255,0.7);
  border-left: 3px solid var(--copper);
  padding: 16px 18px;
  border-radius: 0 10px 10px 0;
  font-size: 14px;
  color: #3E534B;
}
.help-tip strong { color: var(--ink); }
.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.spec-card {
  background: #fff;
  border: 1px solid rgba(22, 68, 61, 0.07);
  border-radius: 12px;
  padding: 22px 20px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.spec-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(22, 68, 61, 0.18);
}
.spec-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--copper-deep);
  background: rgba(200,155,108,0.12);
  border-radius: 999px;
  padding: 3px 10px;
}
.spec-card h3 {
  color: var(--ink);
  font-size: 18px;
  margin: 14px 0 8px;
}
.spec-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}
.spec-card li {
  position: relative;
  padding-left: 14px;
  color: #46544E;
  line-height: 1.7;
}
.spec-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--copper);
}
.spec-hint {
  font-size: 12px;
  color: var(--muted);
  border-top: 1px dashed var(--border);
  margin-top: 14px;
  padding-top: 10px;
}
/* Evidence */
.evidence-section {
  background: var(--ink-deep);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.evidence-section::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  border: 1px solid rgba(200,155,108,0.2);
}
.evidence-section .section-title { color: #fff; }
.evidence-section .lead { color: rgba(255,255,255,0.64); }
.evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 20px;
  margin-top: 52px;
}
.testimonial-main {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 32px 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.testimonial-stars {
  display: inline-flex;
  gap: 4px;
  color: var(--copper);
  font-size: 18px;
  margin-bottom: 24px;
  letter-spacing: 4px;
}
.testimonial-main blockquote {
  font-size: 21px;
  line-height: 1.85;
  font-weight: 500;
  margin: 0 0 32px;
  color: rgba(255,255,255,0.94);
}
.quote-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.62);
}
.avatar-placeholder {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-weight: 700;
  font-size: 14px;
}
.testimonial-stack {
  display: grid;
  gap: 20px;
}
.testimonial-mini {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.09);
  border-left: 3px solid var(--copper);
  border-radius: 12px;
  padding: 24px 26px;
  transition: transform var(--transition), background var(--transition);
}
.testimonial-mini:hover {
  transform: translateX(3px);
  background: rgba(255,255,255,0.06);
}
.testimonial-mini p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,0.86);
}
.testimonial-mini .quote-meta {
  margin-top: 14px;
  font-size: 13px;
}
/* Download CTA */
.download-section {
  background: linear-gradient(120deg, var(--ink) 0%, #0B2B25 50%, var(--ink-deep) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.download-section::before {
  content: "";
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  position: absolute;
  inset: 0;
}
.download-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 60px;
  align-items: center;
}
.download-section .section-title { color: #fff; }
.download-section .lead { color: rgba(255,255,255,0.68); }
.light-eyebrow {
  color: var(--copper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.download-heading { color: #fff; font-size: clamp(28px, 3.4vw, 44px); font-weight: 800; margin-top: 14px; }
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.download-btn-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: min(100%, 420px);
}
.download-btn-group a {
  width: 100%;
  justify-content: space-between;
}
.btn-download-label {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-download-label .icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.12);
}
.btn-download-meta {
  display: block;
  font-size: 12px;
  font-weight: 400;
  opacity: 0.7;
  margin-top: 4px;
}
.download-subnote {
  margin-top: 22px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}
.download-subnote a {
  color: var(--copper);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.download-subnote a:hover { color: #fff; }
/* News */
.news-section {
  background: #fff;
}
.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.7fr);
  gap: clamp(44px, 7vw, 110px);
  align-items: start;
}
.news-side {
  position: sticky;
  top: 110px;
  padding-bottom: 20px;
}
.news-list {
  border-top: 1px solid var(--border);
}
.news-item + .news-item {
  border-top: 1px solid var(--border);
}
.news-row {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 24px;
  padding: 28px 6px;
  transition: background var(--transition);
  border-radius: 10px;
}
.news-row:hover { background: rgba(232,239,235,0.44); }
.news-datecap {
  background: var(--light-green);
  border-radius: 10px;
  padding: 10px 6px;
  text-align: center;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.5;
  font-weight: 600;
  height: fit-content;
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.news-cat {
  font-size: 12px;
  font-weight: 600;
  color: var(--copper-deep);
  background: rgba(200,155,108,0.13);
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 9px;
}
.news-title {
  color: var(--ink-deep);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  transition: color var(--transition);
}
.news-row:hover .news-title { color: var(--copper-deep); }
.news-summary {
  color: #7C847F;
  font-size: 14px;
  line-height: 1.7;
  margin-top: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--ink);
  margin-top: 10px;
  font-weight: 600;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--transition), transform var(--transition);
}
.news-row:hover .news-more {
  opacity: 1;
  transform: translateX(0);
}
.news-empty {
  padding: 60px 20px;
  text-align: left;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 15px;
}
/* FAQ */
.faq-section {
  background: var(--cream);
}
.faq-wrap {
  max-width: 900px;
  margin: 52px auto 0;
}
.faq-center-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.faq-center-head .eyebrow::before { display: none; }
.faq-accordion {
  background: transparent;
}
.faq-accordion .accordion-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-accordion .accordion-item.is-active {
  box-shadow: var(--shadow-sm);
  border-color: rgba(22,68,61,0.24);
}
.faq-accordion .accordion-title {
  background: transparent;
  border: 0;
  padding: 22px 56px 22px 24px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  position: relative;
  display: block;
  line-height: 1.5;
}
.faq-accordion .accordion-title:hover,
.faq-accordion .accordion-item.is-active .accordion-title {
  color: var(--ink);
  background: rgba(22,68,61,0.02);
}
.faq-accordion .accordion-title::before,
.faq-accordion .accordion-title::after {
  content: "";
  position: absolute;
  right: 26px;
  top: 50%;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease;
}
.faq-accordion .accordion-title::before { transform: translateY(-50%); }
.faq-accordion .accordion-title::after { transform: translateY(-50%) rotate(90deg); }
.faq-accordion .accordion-item.is-active .accordion-title::after { transform: translateY(-50%) rotate(0deg); }
.faq-accordion .accordion-content {
  border: 0;
  background: transparent;
  padding: 4px 24px 24px;
  color: #5B6560;
  font-size: 15px;
  line-height: 1.9;
  border-top: 1px solid var(--border);
}
/* Footer */
.site-footer {
  background: #0D2B26;
  color: rgba(255,255,255,0.7);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.9fr 1.2fr;
  gap: 44px;
  padding: 70px 0 56px;
}
.footer-brand .brand-logo { color: #fff; margin-bottom: 16px; }
.footer-brand .brand-logo strong { color: #fff; }
.footer-brand .brand-logo strong em { color: var(--copper); }
.footer-brand-desc {
  font-size: 14px;
  line-height: 1.9;
  max-width: 340px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 18px;
  font-weight: 700;
}
.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255,255,255,0.64);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--copper); }
.footer-site-note {
  font-size: 13px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 16px 18px;
  line-height: 1.9;
  color: rgba(255,255,255,0.55);
}
.footer-bar {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 22px 0 26px;
  font-size: 13px;
  color: rgba(255,255,255,0.42);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { gap: 38px; }
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
  .sysreq-layout { grid-template-columns: 1fr; gap: 40px; }
  .sysreq-intro { position: static; max-width: 680px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .news-layout { grid-template-columns: 1fr; gap: 40px; }
  .news-side { position: static; }
}
@media (max-width: 860px) {
  .menu-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 119;
    background: rgba(251, 249, 244, 0.98);
    backdrop-filter: blur(18px);
    margin: 0;
    padding: 96px 32px 40px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(24px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
  }
  .site-nav > a:not(.btn) {
    width: 100%;
    font-size: 24px;
    font-weight: 700;
    padding: 16px 0;
    color: var(--ink);
    opacity: 0;
  }
  .site-nav.is-open > a:not(.btn) { opacity: 1; }
  .site-nav > a:not(.btn)::after { bottom: 10px; }
  .site-nav .nav-download {
    margin-top: 28px;
    margin-left: 0;
    width: 100%;
    max-width: 300px;
  }
  .brand-logo strong { font-size: 20px; }
  .header-inner { min-height: 68px; }
}
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; padding-top: 64px; }
  .hero-visual { order: 2; }
  .download-inner { grid-template-columns: 1fr; }
  .evidence-grid { grid-template-columns: 1fr; }
  .carousel-header { flex-direction: column; align-items: flex-start; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 600px) {
  .spec-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; padding-top: 54px; }
  .news-row { grid-template-columns: 70px minmax(0, 1fr); gap: 14px; padding: 20px 2px; }
  .news-datecap { font-size: 11px; padding: 6px 4px; min-height: 52px; }
  .orbit-caption { padding: 40px 18px 18px; }
  .orbit-caption .slide-title { font-size: 17px; }
  .orbit-slide img { height: 250px; }
  .testimonial-main { padding: 24px 22px; }
  .testimonial-main blockquote { font-size: 18px; }
  .carousel-wrap { padding: 0 2px; }
  .section { padding: 62px 0; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: article */
:root{
  --primary:#16443D;
  --primary-deep:#0D2F29;
  --primary-dark:#0A2621;
  --accent:#C89B6C;
  --accent-deep:#B2814F;
  --ink:#2B2E2B;
  --muted:#6B716C;
  --dim:#9B958A;
  --paper:#F5F2EC;
  --paper-bright:#FBF9F5;
  --mist:#E8EFEB;
  --line:#E4DED4;
  --white:#FFFFFF;
  --ff-sans:"Inter","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:7px;
  --shadow-sm:0 4px 16px rgba(22,68,61,.06);
  --shadow-md:0 18px 44px rgba(22,68,61,.10);
  --shadow-card:0 2px 8px rgba(22,68,61,.04),0 12px 30px rgba(22,68,61,.07);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--paper-bright);color:var(--ink);font-family:var(--ff-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
ul,ol,dl,p,h1,h2,h3,h4,figure,blockquote{margin:0;padding:0}
li{list-style:none}
.row{max-width:1200px;margin:0 auto}
.container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
@media screen and (max-width:640px){.container{padding-left:20px;padding-right:20px}}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-weight:600;letter-spacing:.02em;line-height:1;transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);cursor:pointer}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn-md{min-height:48px;padding:0 28px}
.btn-lg{min-height:56px;padding:0 38px;font-size:17px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-deep);box-shadow:0 10px 24px rgba(22,68,61,.18);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#262019;border:1px solid var(--accent)}
.btn-accent:hover{background:var(--accent-deep);border-color:var(--accent-deep);box-shadow:0 12px 26px rgba(200,155,108,.28);transform:translateY(-2px)}
.btn-outline{background:transparent;border:1px solid rgba(22,68,61,.35);color:var(--ink)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,255,255,.5);transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-light:hover{border-color:var(--accent);color:var(--accent);background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.site-header{position:sticky;top:0;z-index:100;background:rgba(251,249,245,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-header .container{max-width:1320px;display:flex;align-items:center;justify-content:space-between;height:78px;padding-left:32px;padding-right:32px}
.site-header .nav-inner{padding-top:0;padding-bottom:0}
.brand-logo{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto}
.brand-logo strong{font-size:23px;font-weight:900;letter-spacing:-.035em;color:var(--primary);line-height:1;font-family:var(--ff-sans)}
.brand-logo em{font-style:normal;font-weight:700;font-size:20px;letter-spacing:.02em}
.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.site-nav{display:flex;align-items:center;gap:36px}
.site-nav>a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:10px 0;transition:color .2s var(--ease)}
.site-nav>a::after{content:"";position:absolute;left:50%;top:calc(100% - 2px);width:0;height:3px;border-radius:999px;background:var(--accent);transform:translateX(-50%);transition:width .28s var(--ease)}
.site-nav>a:hover{color:var(--primary)}
.site-nav>a:hover::after{width:24px}
.site-nav>a.active{color:var(--primary);font-weight:700}
.site-nav>a.active::after{width:30px}
.nav-download{margin-left:6px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-sm);background:transparent;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}
.nav-toggle span{width:19px;height:2px;background:var(--primary);border-radius:9px;transition:transform .3s var(--ease),opacity .3s}
.menu-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(135deg)}
.menu-open .nav-toggle span:nth-child(2){opacity:0}
.menu-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-135deg)}
.site-header .container.affix{height:64px}

.article-hero{position:relative;z-index:1;background-color:var(--paper);background-image:linear-gradient(90deg,rgba(245,242,236,.96) 16%,rgba(245,242,236,.86)),url("/assets/images/backpic/back-1.webp");background-position:right center;background-size:cover;border-bottom:1px solid var(--line);overflow:hidden}
.article-hero::before{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:rgba(200,155,108,.12);top:-150px;right:-80px;pointer-events:none}
.article-hero .container{position:relative;z-index:2;padding-top:66px;padding-bottom:62px;max-width:1060px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:11px;font-size:13px;color:var(--dim);margin-bottom:18px}
.crumb a{color:var(--muted);transition:color .2s}
.crumb a:hover{color:var(--primary)}
.crumb i{font-style:normal;color:#C9C2B5}
.crumb .crumb-current{color:var(--primary);font-weight:500}
.article-hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border:1px solid rgba(22,68,61,.2);border-radius:999px;background:rgba(255,255,255,.5);font-size:12px;letter-spacing:.1em;color:var(--primary);font-weight:700;margin-bottom:20px}
.article-hero-kicker::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.article-hero h1{max-width:880px;font-size:clamp(32px,4.6vw,48px);line-height:1.26;letter-spacing:-.02em;color:var(--primary);font-weight:900;margin-bottom:22px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;color:var(--muted);font-size:14px}
.article-meta .meta-sep{width:3px;height:3px;border-radius:50%;background:var(--accent)}
.article-meta strong{font-weight:600;color:var(--ink)}

.article-stage{position:relative;z-index:3}
.article-stage .container{max-width:1040px;padding-top:44px;padding-bottom:36px}
.article-empty{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:72px 24px;text-align:center}
.article-empty h1{font-size:24px;color:var(--primary);margin-bottom:14px}
.article-empty p{color:var(--muted);margin-bottom:24px}
.article-empty .btn{margin-right:8px}
.article-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:clamp(30px,6vw,62px);margin-top:-32px}
.article-prose{max-width:760px;margin:0 auto;font-size:17px;line-height:1.92;color:#31332F}
.article-prose>p{margin:0 0 1.75em}
.article-prose h1,.article-prose h2,.article-prose h3,.article-prose h4{color:var(--primary);font-weight:800;line-height:1.4;letter-spacing:-.015em}
.article-prose h1{font-size:30px;margin:0 0 1em}
.article-prose h2{font-size:24px;border-left:4px solid var(--accent);padding-left:14px;margin:2.3em 0 1em}
.article-prose h3{font-size:20px;margin:2.1em 0 .95em}
.article-prose h4{font-size:17px;margin:1.8em 0 .9em}
.article-prose a{color:#0E6955;text-decoration:underline;text-decoration-color:rgba(14,105,85,.35);text-underline-offset:4px;transition:color .2s,text-decoration-color .2s}
.article-prose a:hover{color:var(--primary);text-decoration-color:var(--primary)}
.article-prose ul,.article-prose ol{margin:0 0 1.8em;padding-left:1.35em}
.article-prose ul li{list-style:disc;margin-bottom:.55em;padding-left:.25em}
.article-prose ol li{list-style:decimal;margin-bottom:.55em;padding-left:.25em}
.article-prose dl{margin:0 0 1.8em}
.article-prose dt{font-weight:700;color:var(--primary);margin-bottom:.3em}
.article-prose dd{margin:0 0 1em}
.article-prose blockquote{position:relative;margin:2.2em 0;padding:20px 26px;background:var(--paper);border-left:1px solid var(--accent);color:var(--muted);font-size:16px;line-height:1.8;border-radius:0 var(--radius-md) var(--radius-md) 0}
.article-prose blockquote p:last-child{margin-bottom:0}
.article-prose code{background:var(--mist);color:var(--primary-deep);padding:2px 7px;border-radius:5px;font-size:.9em}
.article-prose pre{background:#0A2520;border-radius:10px;padding:22px 24px;overflow-x:auto;color:#EDF2EF;line-height:1.8;margin:0 0 1.8em;font-size:14px}
.article-prose pre code{background:transparent;color:inherit;padding:0}
.article-prose img{border-radius:var(--radius-md);margin:2em 0 0;border:1px solid var(--line)}
.article-prose figure{margin:2em 0}
.article-prose figcaption{color:var(--dim);font-size:13px;line-height:1.6;padding-top:10px;text-align:center}
.article-prose table{width:100%;border-collapse:collapse;margin:2em 0;font-size:15px}
.article-prose table th{background:var(--primary);color:#fff;font-weight:600;text-align:left;padding:11px 14px}
.article-prose table td{padding:11px 14px;border-bottom:1px solid var(--line)}
.article-prose table tr:nth-child(even){background:rgba(232,239,235,.35)}
.article-prose hr{border:none;background:var(--line);height:1px;margin:2.4em 0}
.article-prose strong{font-weight:700;color:var(--primary-deep)}

.article-tags{max-width:760px;margin:40px auto 0;display:flex;flex-wrap:wrap;gap:10px;padding-top:26px;border-top:1px solid var(--line)}
.article-tag{padding:7px 13px;border:1px solid rgba(22,68,61,.24);border-radius:999px;color:var(--primary);background:transparent;font-size:13px;font-weight:500}
.article-bottom-actions{max-width:760px;margin:0 auto;display:flex;flex-wrap:wrap;gap:14px;align-items:center;padding-top:34px}
.article-bottom-actions .btn+.link-back{margin-left:14px}
.link-back{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--primary);font-weight:600;border-bottom:1px solid transparent;transition:border-color .2s}
.link-back:hover{border-color:var(--accent)}

.entry-guide{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.entry-guide .container{padding-top:84px;padding-bottom:84px}
.guide-card{display:grid;grid-template-columns:1.1fr .9fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden}
.guide-card-copy{padding:clamp(28px,5vw,52px)}
.guide-kicker{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--accent-deep);margin-bottom:20px}
.guide-kicker::before{content:"";width:26px;height:1px;background:var(--accent)}
.guide-card-copy h3{font-size:clamp(24px,3.2vw,32px);line-height:1.3;color:var(--primary);font-weight:900;letter-spacing:-.02em;margin-bottom:14px}
.guide-card-copy>p{color:var(--muted);font-size:15px;margin-bottom:28px;line-height:1.85}
.guide-steps{display:flex;flex-direction:column;gap:16px;margin-bottom:32px}
.guide-steps li{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:baseline}
.step-num{width:34px;text-align:center;font-weight:800;font-size:13px;color:#fff;background:var(--primary);border-radius:999px;line-height:30px;height:30px;align-self:start;margin-top:2px}
.guide-steps div span{display:block;font-weight:600;color:var(--ink);font-size:15px}
.guide-steps div p{color:var(--muted);font-size:14px;line-height:1.6;margin-top:4px}
.guide-buttons{display:flex;flex-wrap:wrap;gap:12px}
.guide-media{position:relative;background:var(--mist);min-height:280px;overflow:hidden}
.guide-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .8s var(--ease)}
.guide-card:hover .guide-media img{transform:scale(1.035)}
.guide-media::after{content:"";position:absolute;inset:12px;border:1px solid rgba(255,255,255,.25);border-radius:12px;pointer-events:none}

.section-faq{background:var(--paper-bright)}
.section-faq .container{padding-top:84px;padding-bottom:88px;max-width:980px}
.section-head{text-align:left;margin-bottom:44px}
.section-head .section-kicker{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--accent-deep);margin-bottom:22px}
.section-head .section-kicker::before{content:"";width:26px;height:1px;background:var(--accent)}
.section-head h3{font-size:clamp(26px,4vw,36px);color:var(--primary);font-weight:900;letter-spacing:-.025em;line-height:1.35;margin-bottom:18px}
.section-head p{color:var(--muted);font-size:16px;max-width:680px;line-height:1.8}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);background:#fff}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 6px 24px 0;transition:color .25s,background .25s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::-moz-list-bullet{color:transparent}
.faq-item summary h4{font-weight:700;font-size:17px;color:var(--ink);transition:color .25s}
.faq-item:hover summary h4{color:var(--primary)}
.faq-item .faq-mark{position:relative;width:30px;height:30px;flex:0 0 auto;border:1px solid var(--line);border-radius:50%;transition:border-color .25s,background .25s}
.faq-item .faq-mark::before,.faq-item .faq-mark::after{content:"";position:absolute;top:50%;left:50%;width:11px;height:1px;background:var(--primary);transform:translate(-50%,-50%);transition:transform .25s var(--ease)}
.faq-item .faq-mark::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item[open] .faq-mark{border-color:var(--accent);background:var(--paper)}
.faq-item[open] .faq-mark::after{transform:translate(-50%,-50%) rotate(360deg)}
.faq-item[open] .faq-mark::before{background:var(--accent)}
.faq-answer{padding:0 50px 28px 0;color:var(--muted);font-size:15px;line-height:1.85}
.faq-answer p:not(:last-child){margin-bottom:12px}
.faq-answer a{color:var(--primary);text-decoration:underline;text-underline-offset:4px}

.cta-band{background:var(--primary);position:relative;overflow:hidden;background-image:radial-gradient(circle at 84% 40%,rgba(200,155,108,.26),transparent 30%),radial-gradient(circle at 20% 120%,rgba(255,255,255,.06),transparent 36%)}
.cta-band .container{position:relative;z-index:2;padding-top:94px;padding-bottom:96px;text-align:center}
.cta-band h3{font-size:clamp(28px,4.4vw,42px);color:#fff;font-weight:900;letter-spacing:-.02em;line-height:1.3;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px;margin-bottom:38px;line-height:1.8}
.cta-buttons{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:26px;font-size:13px;color:rgba(255,255,255,.46)}

.site-footer{background:var(--primary-deep);color:#BFCEC7}
.site-footer .container{padding-top:70px}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand .brand-logo strong{color:#fff}
.footer-brand .brand-logo em{color:#fff}
.footer-brand-desc{color:#B4C4BD;font-size:14px;line-height:1.9;margin-top:22px;max-width:340px}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;letter-spacing:.04em;margin-bottom:20px}
.footer-col a{display:block;color:#B4C4BD;font-size:14px;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-site-note{font-size:13px;line-height:1.9;color:#A9B8B1;background:rgba(255,255,255,.05);border:0;padding:16px 16px;border-radius:var(--radius-sm)}
.footer-bar{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;color:#93A29A;font-size:13px;padding:26px 0 30px}
.footer-bar span{display:inline-block}

@media screen and (max-width:1024px){
  .footer-main{grid-template-columns:1fr 1fr;gap:36px}
}
@media screen and (max-width:860px){
  .site-header .container{height:70px}
  .site-nav{position:fixed;top:0;right:0;bottom:0;width:min(86vw,430px);height:100vh;height:100dvh;background:var(--paper);flex-direction:column;align-items:flex-start;justify-content:center;gap:14px;padding:92px 42px 40px;transform:translateX(100%);visibility:hidden;transition:transform .38s var(--ease),visibility .38s;box-shadow:-24px 0 70px rgba(10,38,33,.18);z-index:101;overflow:auto}
  .menu-open .site-nav{transform:translateX(0);visibility:visible}
  .site-nav>a{width:100%;height:auto;font-size:24px;font-weight:600;padding:15px 0;border-bottom:1px solid rgba(22,68,61,.12)}
  .site-nav>a::after{left:0;transform:none;top:calc(100% - 2px);width:0}
  .site-nav>a.active::after{width:36px;transform:none}
  .site-nav>a:hover::after{width:36px}
  .nav-download{margin-left:0;margin-top:26px;width:180px;min-height:48px}
  .nav-toggle{display:inline-flex}
  .guide-card{grid-template-columns:1fr}
  .guide-media{min-height:250px}
  .guide-media img{position:relative;height:250px}
  .article-bottom-actions .link-back{margin-left:0;width:100%}
}
@media screen and (max-width:700px){
  .article-hero .container{padding-top:44px;padding-bottom:38px}
  .article-panel{padding:24px 20px;margin-top:-22px}
  .crumb{font-size:12px}
  .article-meta{gap:10px 16px;font-size:13px}
  .section-faq .container,.section-head h3{max-width:100%}
  .faq-answer{padding-right:20px}
  .footer-main{grid-template-columns:1fr;gap:32px}
  .footer-brand-desc{max-width:100%}
}
@media screen and (max-width:520px){
  .article-prose{font-size:16px}
  .guide-steps li{grid-template-columns:28px 1fr;gap:10px}
  .step-num{width:28px;height:28px;line-height:28px;font-size:12px}
  .guide-buttons{width:100%}
  .guide-buttons .btn{width:100%}
  .cta-buttons{width:100%}
  .cta-buttons .btn{width:100%}
  .article-hero h1{font-size:29px}
  .article-empty{padding-left:20px;padding-right:20px}
}
@media screen and (max-width:400px){
  .site-nav{width:88vw}
  .footer-bar{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --green-900:#102F2A;
  --green-800:#16443D;
  --green-700:#1E554C;
  --green-600:#2A6B60;
  --gold:#C89B6C;
  --gold-dark:#BC8B57;
  --cream:#F5F2EC;
  --paper:#FBF9F5;
  --light-green:#E8EFEB;
  --ink:#2B2E2B;
  --muted:#6D716C;
  --border:#E6E1D8;
  --white:#FFFFFF;
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:14px;
  --shadow:0 8px 24px rgba(22,68,61,.08);
  --shadow-lift:0 16px 36px rgba(22,68,61,.14);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  background:var(--paper);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,h5,p{margin:0}
a:focus-visible,.accordion-title:focus-visible,.btn:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  border-radius:4px;
}
.container,.grid-container{
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 26px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:700;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .25s ease,border-color .25s ease,color .25s ease,box-shadow .25s ease,transform .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--green-800);color:#fff}
.btn-primary:hover{background:var(--green-700);transform:translateY(-1px);box-shadow:0 6px 18px rgba(22,68,61,.18)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-gold{background:var(--gold);color:#1D2E29}
.btn-gold:hover{background:#D9AB78;transform:translateY(-1px);box-shadow:0 6px 18px rgba(200,155,108,.28)}
.btn-gold:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08);color:#fff}
.btn-quiet{background:transparent;border-color:#D8D2C5;color:var(--green-800)}
.btn-quiet:hover{border-color:var(--green-700);color:var(--green-700)}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn-lg{min-height:52px;padding:0 34px;font-size:16px}
.btn .btn-sub{display:block;font-size:11px;font-weight:400;opacity:.8;margin-left:10px}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(251,249,245,.96);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:74px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:2px;
  font-size:20px;
  letter-spacing:-.01em;
  color:var(--ink);
}
.brand-logo strong{
  color:var(--green-800);
  font-weight:900;
}
.brand-logo em{
  font-style:normal;
  color:var(--ink);
  font-weight:700;
}
.brand-logo .brand-dot{
  width:7px;
  height:7px;
  margin-left:5px;
  background:var(--gold);
  border-radius:2px;
  display:inline-block;
  flex:0 0 auto;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:30px;
}
.site-nav > a:not(.btn){
  position:relative;
  display:inline-block;
  padding:8px 2px;
  color:var(--muted);
  font-size:15px;
  font-weight:500;
  transition:color .25s ease;
}
.site-nav > a:not(.btn)::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:0;
  height:2px;
  background:var(--gold);
  border-radius:2px;
  transition:right .25s ease;
}
.site-nav > a:not(.btn):hover{
  color:var(--green-800);
}
.site-nav > a:not(.btn):hover::after{
  right:0;
}
.site-nav > a:not(.btn).active{
  color:var(--green-800);
  font-weight:700;
}
.site-nav > a:not(.btn).active::after{
  right:0;
}
.nav-download{
  margin-left:2px;
  border-color:#CFC8BC;
  color:var(--green-800);
  background:transparent;
}
.nav-download:hover{
  border-color:var(--green-800);
  background:var(--green-800);
  color:#fff;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--border);
  background:var(--white);
  border-radius:var(--radius-sm);
  cursor:pointer;
  position:relative;
  z-index:1300;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--ink);
  transition:transform .3s ease,opacity .3s ease;
}
.nav-toggle.open span:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2){
  opacity:0;
}
.nav-toggle.open span:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}

/* Page Hero */
.page-hero{
  position:relative;
  padding:84px 0 78px;
  background:var(--cream);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  right:0;
  top:0;
  bottom:0;
  width:46%;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.18;
  mask-image:linear-gradient(to left,#000,transparent 90%);
  -webkit-mask-image:linear-gradient(to left,#000,transparent 90%);
  pointer-events:none;
}
.page-hero .container{
  position:relative;
  z-index:1;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:18px;
}
.breadcrumb a{
  color:var(--green-700);
  font-weight:600;
  transition:color .2s ease;
}
.breadcrumb a:hover{
  color:var(--gold-dark);
}
.breadcrumb span{
  color:#B9B2A7;
}
.page-hero h1{
  font-size:clamp(42px,6vw,68px);
  line-height:1.14;
  font-weight:900;
  letter-spacing:-.03em;
  color:var(--green-900);
  margin-bottom:16px;
}
.page-hero .lead{
  max-width:680px;
  color:#4A4F4A;
  font-size:17px;
  line-height:1.85;
  margin-bottom:28px;
}
.hero-badge-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.75);
  border:1px solid var(--border);
  padding:7px 13px;
  border-radius:999px;
  font-size:13px;
  color:var(--green-800);
}
.badge::before{
  content:"";
  width:5px;
  height:5px;
  background:var(--gold);
  border-radius:50%;
  flex:0 0 auto;
}

/* Section heading helpers */
.section{
  padding:100px 0;
}
.section-tint{
  background:var(--light-green);
}
.section-cream{
  background:var(--cream);
}
.section-dark{
  background:var(--green-900);
  color:#fff;
}
.section-kicker{
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--gold-dark);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-title{
  font-size:clamp(30px,4vw,42px);
  font-weight:900;
  line-height:1.25;
  letter-spacing:-.02em;
  color:var(--green-900);
  margin-bottom:16px;
}
.section-lead{
  max-width:720px;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
}

/* Feature steps */
.feature-steps .feature-list{
  display:flex;
  flex-direction:column;
  gap:90px;
}
.feature-item{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.feature-item.revert .feature-media{
  order:2;
}
.feature-item.revert .feature-content{
  order:1;
}
.feature-index{
  font-size:clamp(70px,9vw,104px);
  font-weight:900;
  line-height:.9;
  color:var(--gold);
  opacity:.82;
  letter-spacing:-.06em;
  margin-bottom:16px;
}
.feature-content h2{
  font-size:25px;
  font-weight:800;
  line-height:1.4;
  color:var(--green-900);
  margin-bottom:15px;
}
.feature-content p{
  color:#4A4F4A;
  line-height:1.9;
  margin-bottom:18px;
  max-width:520px;
}
.feature-note{
  font-size:14px;
  color:var(--muted);
  border-left:2px solid var(--gold);
  padding-left:12px;
  line-height:1.7;
}
.feature-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  background:var(--light-green);
  transition:box-shadow .3s ease,transform .3s ease;
}
.feature-item:hover .feature-media{
  box-shadow:var(--shadow-lift);
  transform:translateY(-4px);
}
.feature-media img{
  width:100%;
  height:auto;
  aspect-ratio:16 / 10;
  object-fit:cover;
}

/* Platform requirements */
.spec-grid{
  display:grid;
  grid-template-columns:.82fr 1.8fr;
  gap:70px;
  align-items:start;
}
.spec-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.spec-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:28px 26px;
  box-shadow:0 2px 10px rgba(22,68,61,.03);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.spec-item:hover{
  border-color:#CBC3B5;
  transform:translateY(-3px);
  box-shadow:var(--shadow);
}
.spec-item h3{
  font-size:17px;
  font-weight:800;
  color:var(--green-900);
  margin-bottom:8px;
}
.spec-item p{
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
  margin-bottom:14px;
}
.spec-tags{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
}
.tag{
  display:inline-flex;
  align-items:center;
  background:var(--light-green);
  border:1px solid transparent;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  color:var(--green-800);
  font-weight:600;
}
.tag-gold{
  background:rgba(200,155,108,.12);
  color:#8C6A42;
}

/* Download steps */
.step-section-bg{
  background:var(--white);
  border:none;
}
.step-intro{
  max-width:760px;
  margin-bottom:56px;
}
.step-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step-card{
  background:var(--cream);
  border-radius:var(--radius-md);
  border-top:3px solid var(--green-800);
  padding:30px 26px 26px;
  min-height:210px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow);
}
.step-number{
  font-size:14px;
  font-weight:900;
  letter-spacing:.1em;
  color:var(--gold-dark);
  display:block;
  margin-bottom:12px;
}
.step-card h3{
  font-size:18px;
  font-weight:800;
  color:var(--green-900);
  margin-bottom:10px;
}
.step-card p{
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
}

/* FAQ */
.faq-section{
  background:var(--cream);
  padding:90px 0;
}
.faq-box{
  max-width:920px;
  margin:0 auto;
}
.faq-header{
  text-align:center;
  margin-bottom:50px;
}
.faq-header .section-kicker{
  justify-content:center;
}
.accordion{
  list-style:none;
  margin:0;
  padding:0;
}
.accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--border);
  position:relative;
}
.accordion-title{
  font-size:17px !important;
  font-weight:700;
  color:var(--ink) !important;
  padding:24px 52px 24px 0 !important;
  border:0 !important;
  background:transparent !important;
  line-height:1.65;
  transition:color .2s ease;
}
.accordion-title:hover{
  color:var(--green-800) !important;
  background:transparent !important;
}
.accordion-item.is-active .accordion-title{
  color:var(--green-800) !important;
}
.accordion-title::before,
.accordion-title::after{
  content:"";
  position:absolute;
  right:2px;
  top:calc(50% - 1px);
  width:16px;
  height:2px;
  background:var(--green-800);
  border-radius:2px;
  transition:transform .25s ease;
}
.accordion-title::before{
  transform:rotate(90deg);
}
.accordion-item.is-active > .accordion-title::before{
  transform:rotate(0deg);
}
.accordion-title span{
  display:block;
  font-size:13px;
  color:var(--muted);
  font-weight:400;
  margin-top:6px;
}
.accordion-content{
  border:0 !important;
  background:transparent !important;
  padding:0 60px 30px 0 !important;
  color:#4A4F4A;
  font-size:15px;
  line-height:1.9;
}
.accordion-content p{
  margin-bottom:10px;
}

/* CTA */
.download-cta{
  position:relative;
  background:var(--green-800);
  color:#fff;
  padding:100px 0;
  overflow:hidden;
}
.download-cta::before{
  content:"";
  position:absolute;
  right:-10%;
  bottom:-20%;
  width:440px;
  height:440px;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  opacity:.1;
  pointer-events:none;
}
.download-cta .container{
  position:relative;
  z-index:1;
  text-align:center;
}
.download-cta h2{
  font-size:clamp(30px,4.6vw,48px);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.2;
  margin-bottom:16px;
}
.download-cta p{
  max-width:640px;
  margin:0 auto 34px;
  color:rgba(255,255,255,.75);
  font-size:16px;
  line-height:1.85;
}
.cta-btn-group{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:16px;
}
.cta-secure-line{
  margin-top:26px;
  font-size:13px;
  color:rgba(255,255,255,.52);
  letter-spacing:.02em;
}

/* Safety strip */
.safety-strip{
  background:var(--paper);
  border-bottom:1px solid var(--border);
  padding:46px 0;
}
.safety-box{
  display:flex;
  align-items:flex-start;
  gap:24px;
  background:var(--white);
  border-left:3px solid var(--gold);
  padding:28px 34px;
  border-radius:var(--radius-md);
  box-shadow:0 4px 12px rgba(22,68,61,.05);
}
.safety-icon{
  width:44px;
  height:44px;
  border-radius:50%;
  background:rgba(200,155,108,.13);
  color:var(--gold-dark);
  font-size:20px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  font-weight:900;
}
.safety-text h3{
  font-size:18px;
  font-weight:800;
  color:var(--green-900);
  margin-bottom:6px;
}
.safety-text p{
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
  margin-bottom:0;
  max-width:900px;
}

/* Footer */
.site-footer{
  background:var(--green-900);
  color:rgba(255,255,255,.78);
  padding-top:72px;
}
.footer-main{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:54px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-logo{
  font-size:21px;
  color:#fff;
}
.footer-brand .brand-logo strong{
  color:#fff;
}
.footer-brand .brand-logo em{
  color:#fff;
}
.footer-brand-desc{
  margin-top:18px;
  max-width:330px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
}
.footer-col h4{
  font-size:15px;
  color:#fff;
  font-weight:700;
  margin-bottom:20px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.65);
  margin-bottom:11px;
  transition:color .2s ease;
}
.footer-col a:hover{
  color:var(--gold);
}
.footer-site-note{
  font-size:13px;
  line-height:1.8;
  color:rgba(255,255,255,.55);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  padding:16px 18px;
  border-radius:var(--radius-sm);
}
.footer-bar{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding:24px 0;
  font-size:13px;
  color:rgba(255,255,255,.42);
}

/* Mobile nav */
@media (max-width: 1024px){
  .feature-item{
    gap:44px;
  }
  .spec-grid{
    grid-template-columns:1fr;
    gap:40px;
  }
  .step-list{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-main{
    grid-template-columns:1fr 1fr;
    gap:36px;
  }
}
@media (max-width: 768px){
  .site-nav{
    position:fixed;
    inset:0;
    width:100%;
    height:100vh;
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    padding:96px 34px 34px;
    background:rgba(255,255,255,.99);
    z-index:1200;
    gap:4px;
    opacity:0;
    visibility:hidden;
    transition:opacity .3s ease,visibility .3s ease;
    pointer-events:none;
  }
  .site-nav.open{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
  }
  .site-nav::after{
    content:"";
    position:absolute;
    right:9%;
    top:10%;
    bottom:10%;
    width:1px;
    background:linear-gradient(to bottom,transparent,var(--border),transparent);
  }
  .site-nav > a:not(.btn){
    width:100%;
    font-size:25px !important;
    font-weight:700;
    padding:16px 0;
    color:var(--ink);
    border-bottom:1px solid #F0ECE4;
  }
  .site-nav > a:not(.btn):hover{
    color:var(--green-800);
  }
  .site-nav > a:not(.btn).active{
    color:var(--green-800);
  }
  .site-nav > a:not(.btn)::after{
    display:none;
  }
  .nav-download{
    width:calc(100% - 48px);
    margin-top:26px;
    min-height:52px;
    font-size:17px;
    display:inline-flex;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .page-hero{
    padding:66px 0 58px;
  }
  .page-hero::before{
    width:100%;
    opacity:.1;
  }
  .page-hero h1{
    font-size:44px;
  }
  .page-hero .lead{
    font-size:16px;
  }
  .feature-steps .feature-list{
    gap:76px;
  }
  .feature-item,
  .feature-item.revert{
    grid-template-columns:1fr;
    gap:34px;
  }
  .feature-item.revert .feature-media{
    order:-1;
  }
  .feature-content h2{
    font-size:22px;
  }
  .section{
    padding:76px 0;
  }
  .spec-list{
    grid-template-columns:1fr;
    gap:16px;
  }
  .step-section-bg{
    padding-top:70px;
    padding-bottom:70px;
  }
  .footer-main{
    grid-template-columns:1fr;
    gap:34px;
  }
  .footer-col h4{
    margin-bottom:14px;
  }
  .download-cta{
    padding:78px 0;
  }
  .cta-btn-group .btn{
    width:100%;
  }
  .cta-btn-group .btn-lg{
    min-width:0;
  }
  .safety-box{
    flex-direction:column;
    padding:26px 22px;
  }
}
@media (max-width: 520px){
  .container,.grid-container{
    padding-left:16px;
    padding-right:16px;
  }
  .header-inner{
    height:66px;
  }
  .brand-logo{
    font-size:18px;
  }
  .page-hero h1{
    font-size:36px;
  }
  .page-hero .lead{
    font-size:15px;
  }
  .hero-badge-row .badge{
    padding:5px 10px;
    font-size:12px;
  }
  .step-list{
    grid-template-columns:1fr;
  }
  .section-title{
    font-size:29px;
  }
  .feature-index{
    font-size:64px;
  }
  .feature-content p{
    font-size:15px;
  }
  .step-card{
    min-height:0;
  }
  .accordion-title{
    font-size:16px !important;
    padding-right:42px !important;
  }
  .accordion-content{
    padding-right:8px !important;
  }
  .download-cta p{
    font-size:15px;
  }
  .footer-bar{
    flex-direction:column;
    gap:6px;
    text-align:center;
    justify-content:center;
    padding:20px 0;
  }
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001s !important;
    transition-duration:.001s !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root {
      --primary: #16443d;
      --primary-dark: #0e342e;
      --primary-deep: #0a2b26;
      --accent: #c89b6c;
      --accent-dark: #b78754;
      --paper: #f5f2ec;
      --white: #ffffff;
      --green-wash: #e8efeb;
      --text: #2b2e2b;
      --text-muted: #6f7a72;
      --text-subtle: #9a958d;
      --border: #e6e1d8;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-xl: 20px;
      --shadow-1: 0 2px 8px rgba(22, 68, 61, 0.06);
      --shadow-2: 0 10px 30px rgba(22, 68, 61, 0.09);
      --transition: all 0.3s ease;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
      font-size: 1rem;
      line-height: 1.75;
      color: var(--text);
      background: var(--paper);
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    body.nav-open {
      overflow: hidden;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    ul,
    ol {
      list-style: none;
    }

    button,
    input,
    select,
    textarea {
      font-family: inherit;
    }

    :focus-visible {
      outline: 2px solid rgba(200, 155, 108, 0.6);
      outline-offset: 2px;
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation: none !important;
        transition: none !important;
      }
      html {
        scroll-behavior: auto;
      }
    }

    .container {
      max-width: 78.75rem;
      margin: 0 auto;
      padding: 0 1.5rem;
    }

    @media (min-width: 1280px) {
      .container {
        padding-left: 2rem;
        padding-right: 2rem;
      }
    }

    @media (max-width: 640px) {
      .container {
        padding: 0 1rem;
      }
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 90;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
    }

    .header-inner {
      display: flex;
      align-items: center;
      height: 78px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 0.3rem;
      flex-shrink: 0;
    }

    .brand-logo strong {
      font-size: 1.12rem;
      font-weight: 900;
      letter-spacing: 0.01em;
      color: var(--primary);
      line-height: 1;
    }

    .brand-logo strong em {
      font-style: normal;
      color: #2b2e2b;
      font-weight: 800;
    }

    .brand-dot {
      width: 5px;
      height: 5px;
      border-radius: 999px;
      background: var(--accent);
      display: inline-block;
      margin-top: 2px;
    }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 1.8rem;
      margin-left: auto;
    }

    .site-nav a {
      position: relative;
      display: inline-block;
      font-size: 0.93rem;
      font-weight: 600;
      color: #2b2e2b;
      padding: 0.4rem 0.15rem;
      line-height: 1.2;
    }

    .site-nav a::after {
      content: "";
      position: absolute;
      left: 0;
      right: 100%;
      bottom: -3px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
      transition: right 0.32s ease;
    }

    .site-nav a:hover::after,
    .site-nav a.active::after {
      right: 0;
    }

    .site-nav a.active {
      font-weight: 800;
      color: var(--primary);
    }

    .site-nav a.active::before {
      content: "";
      width: 4px;
      height: 4px;
      border-radius: 999px;
      background: var(--primary);
      position: absolute;
      left: -9px;
      top: 50%;
      transform: translateY(-50%);
    }

    .nav-download {
      display: inline-flex;
      margin-left: 0.5rem;
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 0;
      background: transparent;
      margin-left: auto;
      position: relative;
      z-index: 110;
      cursor: pointer;
      border-radius: 10px;
    }

    .nav-toggle-line {
      width: 24px;
      height: 2px;
      background: var(--text);
      display: block;
      margin: 5px auto;
      border-radius: 4px;
      transition: var(--transition);
    }

    .nav-toggle.is-active .nav-toggle-line:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.is-active .nav-toggle-line:nth-child(2) {
      opacity: 0;
    }
    .nav-toggle.is-active .nav-toggle-line:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.55rem;
      min-height: 44px;
      padding: 0.6rem 1.25rem;
      border: 1px solid transparent;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      font-weight: 700;
      line-height: 1.2;
      cursor: pointer;
      transition: var(--transition);
      background: transparent;
      color: inherit;
    }

    .btn:hover {
      transform: translateY(-1px);
    }

    .btn:active {
      transform: translateY(0);
      box-shadow: none;
    }

    .btn-primary {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      box-shadow: 0 6px 18px rgba(22, 68, 61, 0.2);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      color: #fff;
      box-shadow: 0 10px 24px rgba(22, 68, 61, 0.25);
    }

    .btn-accent {
      background: var(--accent);
      border-color: var(--accent);
      color: #2b2e2b;
      box-shadow: 0 6px 18px rgba(200, 155, 108, 0.24);
    }

    .btn-accent:hover {
      background: var(--accent-dark);
      border-color: var(--accent-dark);
      color: #1e1e1e;
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.65);
      border-color: var(--border);
      color: var(--text);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(22, 68, 61, 0.03);
    }

    .btn-outline-light {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.45);
      color: rgba(255, 255, 255, 0.94);
    }

    .btn-outline-light:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.85);
      color: #fff;
    }

    .btn-sm {
      min-height: 38px;
      padding: 0.4rem 0.9rem;
      font-size: 0.88rem;
    }

    .btn-lg {
      min-height: 54px;
      padding: 0.85rem 1.7rem;
      font-size: 1.02rem;
    }

    .section {
      padding: 5rem 0;
    }

    .section-tight {
      padding: 3.5rem 0;
    }

    .section-heading {
      max-width: 760px;
      margin-bottom: 3rem;
    }

    .section-heading.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 800;
      letter-spacing: 0.14em;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 0.8rem;
    }

    .section-title {
      font-size: clamp(1.9rem, 3vw, 2.5rem);
      font-weight: 800;
      line-height: 1.25;
      color: var(--text);
    }

    .section-desc {
      color: var(--text-muted);
      font-size: 1rem;
      margin-top: 0.9rem;
      line-height: 1.75;
    }

    /* Banner */
    .page-banner {
      position: relative;
      background-color: #e9efeb;
      background-image: linear-gradient(to right, rgba(235, 241, 237, 0.96) 0%, rgba(235, 241, 237, 0.88) 46%, rgba(235, 241, 237, 0.4) 100%), url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      padding: 4.2rem 0 3.6rem;
      border-bottom: 1px solid var(--border);
    }

    .breadcrumbs {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-bottom: 1.1rem;
      display: flex;
      align-items: center;
      gap: 0.45rem;
    }

    .breadcrumbs a {
      color: #55675e;
    }

    .breadcrumbs a:hover {
      color: var(--primary);
    }

    .page-banner h1 {
      font-size: clamp(2.3rem, 4.8vw, 3.6rem);
      font-weight: 900;
      line-height: 1.15;
      color: var(--primary);
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
    }

    .page-banner .banner-text {
      max-width: 640px;
      font-size: 1rem;
      color: #43564d;
      line-height: 1.85;
      margin-bottom: 1.9rem;
    }

    .banner-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.8rem;
    }

    /* Spec */
    .spec-section {
      background: #f5f2ec;
      padding-top: 3rem;
      padding-bottom: 1.5rem;
    }

    .spec-strip {
      background: var(--white);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-1);
      border: 1px solid var(--border);
      padding: 2.2rem 2.2rem 1rem;
    }

    .spec-strip .cell {
      margin-bottom: 1rem;
    }

    .spec-item {
      padding: 0.8rem 1.2rem 1.2rem 1.2rem;
      border-left: 1px solid #ede9e1;
    }

    .spec-item:first-child {
      border-left: 0;
    }

    .spec-label {
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      color: var(--text-subtle);
      text-transform: uppercase;
      display: block;
      margin-bottom: 0.7rem;
    }

    .spec-value {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.3;
      display: block;
    }

    .spec-sub {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-top: 0.35rem;
      display: block;
      line-height: 1.5;
    }

    /* Axis */
    .axis-section {
      background: var(--white);
    }

    .axis-head {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.14em;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 2.2rem;
    }

    .axis-list {
      border-top: 1px solid var(--border);
    }

    .axis-item {
      display: grid;
      grid-template-columns: 1fr 3.5fr 1.6fr;
      gap: 2rem;
      align-items: center;
      padding: 2.2rem 0;
      border-bottom: 1px solid var(--border);
      transition: background 0.3s ease;
    }

    .axis-item:hover {
      background: rgba(232, 239, 235, 0.35);
    }

    .axis-index {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1;
      color: #e3e9e2;
      transition: color 0.3s ease;
    }

    .axis-item:hover .axis-index {
      color: var(--accent);
    }

    .axis-main {
      display: flex;
      align-items: flex-start;
      gap: 1.4rem;
    }

    .axis-icon {
      width: 52px;
      height: 52px;
      border-radius: 999px;
      background: var(--green-wash);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.15rem;
      color: var(--primary);
      flex-shrink: 0;
      border: 1px solid rgba(22, 68, 61, 0.08);
    }

    .axis-text h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 0.35rem;
    }

    .axis-text p {
      color: var(--text-muted);
      line-height: 1.8;
      font-size: 0.95rem;
      margin-bottom: 0;
    }

    .axis-note {
      background: var(--green-wash);
      border-radius: var(--radius-md);
      padding: 1rem 1.2rem;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--primary);
      border-left: 3px solid var(--accent);
      line-height: 1.6;
    }

    /* Scenario cards */
    .scenario-section {
      background: #e8efeb;
    }

    .scenario-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      box-shadow: var(--shadow-1);
      transition: var(--transition);
    }

    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-2);
      border-color: rgba(22, 68, 61, 0.3);
    }

    .scenario-card .card-cover {
      aspect-ratio: 16 / 10;
      background: #d8e2e0;
      overflow: hidden;
    }

    .scenario-card .card-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }

    .scenario-card:hover .card-cover img {
      transform: scale(1.03);
    }

    .scenario-card .card-body {
      padding: 1.6rem 1.7rem 1.8rem;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .card-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--green-wash);
      border-radius: 999px;
      padding: 0.2rem 0.7rem;
      margin-bottom: 0.8rem;
      align-self: flex-start;
    }

    .scenario-card .card-body h3 {
      font-size: 1.15rem;
      font-weight: 800;
      line-height: 1.4;
      margin-bottom: 0.5rem;
    }

    .scenario-card .card-body p {
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.8;
      margin-bottom: 1.1rem;
    }

    .text-link {
      margin-top: auto;
      font-weight: 700;
      font-size: 0.9rem;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
    }

    .text-link i {
      transition: transform 0.25s ease;
    }

    .text-link:hover i {
      transform: translateX(4px);
    }

    .text-link:hover {
      color: var(--accent-dark);
    }

    /* Platform table */
    .platform-section {
      background: var(--white);
      position: relative;
    }

    .platform-section::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 1px;
      background: linear-gradient(to right, var(--border), transparent);
    }

    .table-wrap {
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: auto;
      background: #fff;
      box-shadow: var(--shadow-1);
    }

    .table-plat {
      width: 100%;
      min-width: 760px;
      border-collapse: collapse;
      margin: 0;
    }

    .table-plat th {
      background: var(--primary);
      color: rgba(255, 255, 255, 0.96);
      font-weight: 700;
      text-align: left;
      padding: 1rem 1.4rem;
      font-size: 0.92rem;
      white-space: nowrap;
    }

    .table-plat th:first-child {
      border-top-left-radius: var(--radius-lg);
    }

    .table-plat th:last-child {
      border-top-right-radius: var(--radius-lg);
    }

    .table-plat td {
      padding: 1.1rem 1.4rem;
      border-bottom: 1px solid #ede9e1;
      font-size: 0.94rem;
      color: var(--text);
    }

    .table-plat tbody tr:last-child td {
      border-bottom: 0;
    }

    .table-plat tbody tr {
      transition: background 0.25s ease;
    }

    .table-plat tbody tr:hover {
      background: rgba(232, 239, 235, 0.35);
    }

    .table-plat td .fa-brands,
    .table-plat td .fa-solid {
      margin-right: 0.45rem;
      color: var(--primary);
    }

    .platform-note {
      margin-top: 1rem;
      font-size: 0.8rem;
      color: var(--text-subtle);
    }

    /* FAQ */
    .faq-section {
      background: #f5f2ec;
    }

    .faq-section .container {
      max-width: 900px;
    }

    .section-heading.faq-heading {
      margin-bottom: 2rem;
    }

    .faq-list {
      background: var(--white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-1);
      overflow: hidden;
    }

    .faq-item {
      border-bottom: 1px solid #ede9e1;
    }

    .faq-item:last-child {
      border-bottom: 0;
    }

    .faq-question {
      width: 100%;
      background: transparent;
      border: 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
      text-align: left;
      padding: 1.4rem 1.6rem;
      font-size: 1rem;
      font-weight: 800;
      color: var(--text);
      cursor: pointer;
      transition: background 0.25s ease, color 0.25s ease;
    }

    .faq-question:hover {
      background: rgba(232, 239, 235, 0.55);
      color: var(--primary);
    }

    .faq-icon {
      width: 22px;
      height: 22px;
      color: var(--accent);
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      border: 1px solid var(--accent);
      border-radius: 999px;
      transition: transform 0.3s ease, background 0.3s ease;
    }

    .faq-item.is-open .faq-icon {
      transform: rotate(45deg);
      background: var(--accent);
      color: #fff;
    }

    .faq-panel {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
    }

    .faq-panel-inner {
      padding: 0 1.6rem 1.4rem;
      color: var(--text-muted);
      font-size: 0.94rem;
      line-height: 1.85;
      border-top: 1px solid #ede9e1;
      padding-top: 1rem;
    }

    .faq-panel p:last-child {
      margin-bottom: 0;
    }

    /* CTA */
    .cta-section {
      background: var(--paper);
      padding-top: 2rem;
    }

    .cta-card {
      background: linear-gradient(135deg, #16443d 0%, #0e342e 100%);
      border-radius: var(--radius-xl);
      padding: 3.2rem 3rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 3rem;
      color: #fff;
      box-shadow: 0 20px 50px rgba(10, 43, 38, 0.2);
    }

    .cta-card h2 {
      font-size: clamp(1.6rem, 2.6vw, 2.2rem);
      font-weight: 900;
      line-height: 1.3;
      color: #fff;
      margin-bottom: 0.7rem;
    }

    .cta-card p {
      color: rgba(255, 255, 255, 0.72);
      max-width: 540px;
      font-size: 0.95rem;
      line-height: 1.8;
      margin-bottom: 0;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.8rem;
      flex-shrink: 0;
    }

    /* Footer */
    .site-footer {
      background: var(--primary-deep);
      color: rgba(240, 244, 241, 0.72);
      margin-top: 5rem;
      padding-top: 3.6rem;
    }

    .site-footer a {
      color: rgba(240, 244, 241, 0.78);
      transition: var(--transition);
    }

    .site-footer a:hover {
      color: var(--accent);
    }

    .footer-main {
      display: grid;
      grid-template-columns: 2.2fr 1fr 1fr 1.6fr;
      gap: 2.5rem;
      padding-bottom: 2.4rem;
    }

    .footer-brand .brand-logo strong {
      color: #fff;
    }

    .footer-brand .brand-logo strong em {
      color: rgba(255, 255, 255, 0.92);
    }

    .footer-brand-desc {
      font-size: 0.85rem;
      line-height: 1.85;
      color: rgba(240, 244, 241, 0.65);
      margin-top: 1.1rem;
      max-width: 340px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 0.92rem;
      font-weight: 800;
      margin-bottom: 1rem;
    }

    .footer-col a {
      display: block;
      margin-bottom: 0.65rem;
      font-size: 0.86rem;
      color: rgba(240, 244, 241, 0.62);
    }

    .footer-site-note {
      font-size: 0.82rem;
      line-height: 1.75;
      color: rgba(240, 244, 241, 0.52);
      background: rgba(255, 255, 255, 0.05);
      padding: 1rem 1.1rem;
      border-radius: var(--radius-md);
      border-left: 2px solid var(--accent);
    }

    .footer-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 1.25rem 0;
      font-size: 0.8rem;
      color: rgba(240, 244, 241, 0.44);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
    }

    /* ---------- responsive ---------- */
    @media (max-width: 1024px) {
      .footer-main {
        grid-template-columns: 1.5fr 1fr 1fr;
      }

      .footer-col:last-child {
        grid-column: 1 / -1;
      }

      .axis-item {
        grid-template-columns: 0.8fr 3fr 1.5fr;
        gap: 1.4rem;
      }

      .spec-strip {
        padding: 1.6rem 1.2rem 0.5rem;
      }

      .cta-card {
        padding: 2.5rem 2rem;
      }

      .grid-x.grid-margin-x > .cell {
        margin-bottom: 1.5rem;
      }
    }

    @media (max-width: 900px) {
      .nav-toggle {
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
      }

      .site-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(84vw, 400px);
        height: 100vh;
        background: rgba(255, 253, 248, 0.98);
        backdrop-filter: blur(18px);
        border-left: 1px solid var(--border);
        box-shadow: -20px 0 60px rgba(7, 34, 29, 0.14);
        z-index: 100;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.3rem;
        padding: 6rem 2.5rem 2rem;
        transform: translateX(110%);
        visibility: hidden;
        transition: transform 0.35s ease, visibility 0.35s ease;
        margin-left: 0;
      }

      .site-nav.is-open {
        transform: translateX(0);
        visibility: visible;
      }

      .site-nav a {
        font-size: 1.06rem;
        color: var(--text);
      }

      .site-nav a.active::before {
        left: auto;
        right: -9px;
      }

      .nav-download.btn {
        margin: 0.8rem 0 0;
        min-height: 46px;
        width: 100%;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 3rem 0;
      }

      .page-banner {
        padding: 3rem 0 2.5rem;
      }

      .page-banner h1 {
        font-size: 2.1rem;
      }

      .axis-item {
        grid-template-columns: 1fr;
        padding: 1.7rem 0;
        gap: 0.6rem;
      }

      .axis-index {
        font-size: 1.3rem;
        color: var(--accent);
      }

      .axis-main {
        margin-top: 0.4rem;
      }

      .axis-note {
        justify-self: start;
      }

      .spec-item {
        border-left: 0;
        border-bottom: 1px solid #ede9e1;
        padding: 0.9rem 0.4rem;
      }

      .spec-item:last-child {
        border-bottom: 0;
      }

      .cta-card {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1.5rem;
        gap: 1.5rem;
      }

      .cta-actions {
        justify-content: center;
      }
    }

    @media (max-width: 640px) {
      .header-inner {
        height: 68px;
      }

      .brand-logo strong {
        font-size: 0.98rem;
      }

      .brand-dot {
        width: 4px;
        height: 4px;
      }

      .banner-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .banner-actions .btn {
        width: 100%;
      }

      .site-nav {
        width: 100%;
        padding: 5.5rem 2rem 2rem;
      }

      .section-title {
        font-size: 1.55rem;
      }

      .section-desc {
        font-size: 0.9rem;
      }

      .faq-question {
        padding: 1.15rem 1.1rem;
        font-size: 0.93rem;
      }

      .faq-panel-inner {
        padding-left: 1.1rem;
        padding-right: 1.1rem;
      }

      .footer-main {
        grid-template-columns: 1fr;
        gap: 1.6rem;
      }

      .footer-col:last-child {
        grid-column: auto;
      }

      .footer-col a {
        display: inline-block;
        margin-right: 1.4rem;
      }

      .footer-bar {
        justify-content: center;
        text-align: center;
      }
    }

/* roulang page: category3 */
:root {
    --pine: #16443d;
    --pine-2: #1d5249;
    --pine-dark: #0b2c25;
    --pine-deeper: #07221d;
    --amber: #c89b6c;
    --amber-light: #e2be93;
    --paper: #f5f2ec;
    --paper-deep: #efe9df;
    --mist: #e8efeb;
    --ink: #2b2e2b;
    --text: #3a3e3a;
    --muted: #6b716c;
    --line: #e6e1d8;
    --line-green: #d7e1dc;
    --white: #ffffff;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow-1: 0 6px 20px rgba(22, 68, 61, .06), 0 2px 5px rgba(22, 68, 61, .04);
    --shadow-2: 0 18px 44px rgba(22, 68, 61, .10), 0 4px 10px rgba(22, 68, 61, .05);
    --max-width: 1200px;
    --ease: cubic-bezier(.2, .8, .2, 1);
  }

  *, *::before, *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
    background: #fff;
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

  body.no-animation *, body.no-animation *::before, body.no-animation *::after {
    animation: none !important;
    transition: none !important;
  }

  img {
    max-width: 100%;
    height: auto;
    display: block;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  a:focus-visible, button:focus-visible, summary:focus-visible {
    outline: 3px solid rgba(200, 155, 108, .65);
    outline-offset: 2px;
    border-radius: 4px;
  }

  button {
    font-family: inherit;
  }

  .container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: clamp(20px, 4vw, 32px);
  }

  .narrow {
    max-width: 920px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .93);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    gap: 24px;
  }

  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    color: var(--ink);
    font-size: 21px;
    letter-spacing: -.01em;
  }

  .brand-logo strong {
    font-weight: 900;
    color: var(--pine);
  }

  .brand-logo em {
    font-style: normal;
    font-weight: 700;
    color: var(--ink);
  }

  .brand-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--amber);
    display: inline-block;
    margin-left: 1px;
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 2px;
  }

  .site-nav a:not(.nav-download) {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 42px;
    padding: 0 14px;
    font-size: 15px;
    font-weight: 600;
    color: #3f453f;
    border-radius: 999px;
    transition: color .22s var(--ease), background .22s var(--ease);
  }

  .site-nav a:not(.nav-download):hover {
    color: var(--pine);
    background: rgba(22, 68, 61, .07);
  }

  .site-nav a.active:not(.nav-download) {
    color: var(--pine);
  }

  .site-nav a.active:not(.nav-download)::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 2px;
    width: 5px;
    height: 5px;
    margin-left: -2px;
    border-radius: 999px;
    background: var(--pine);
  }

  .nav-download.btn {
    margin-left: 8px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 20px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-weight: 700;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    transition: transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease), color .22s var(--ease);
  }

  .btn:hover {
    transform: translateY(-1px);
  }

  .btn:active {
    transform: translateY(0);
  }

  .btn-sm {
    min-height: 38px;
    padding: 0 14px;
    font-size: 14px;
    border-radius: 6px;
  }

  .btn-primary {
    background: var(--pine);
    color: #fff;
    box-shadow: 0 8px 18px rgba(22, 68, 61, .14);
  }

  .btn-primary:hover {
    background: var(--pine-2);
    color: #fff;
    box-shadow: 0 12px 24px rgba(22, 68, 61, .20);
  }

  .btn-amber {
    background: var(--amber);
    color: var(--pine-dark);
  }

  .btn-amber:hover {
    background: var(--amber-light);
    color: var(--pine-dark);
  }

  .btn-outline {
    border-color: rgba(22, 68, 61, .35);
    color: var(--pine);
    background: transparent;
  }

  .btn-outline:hover {
    border-color: var(--pine);
    background: rgba(22, 68, 61, .05);
    color: var(--pine);
  }

  .btn-ghost {
    border-color: rgba(255, 255, 255, .28);
    color: #fff;
    background: transparent;
  }

  .btn-ghost:hover {
    border-color: rgba(255, 255, 255, .6);
    color: #fff;
    background: rgba(255, 255, 255, .08);
  }

  .btn-lg {
    min-height: 56px;
    padding: 0 28px;
    font-size: 16px;
    border-radius: 8px;
  }

  .nav-toggle {
    display: none;
  }

  .eyebrow, .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--pine);
    font-weight: 800;
    margin-bottom: 18px;
  }

  .eyebrow::before {
    content: "";
    width: 20px;
    height: 2px;
    background: var(--amber);
    border-radius: 9px;
  }

  h1, h2, h3, h4 {
    color: var(--ink);
    margin: 0 0 14px;
    line-height: 1.3;
    font-weight: 800;
  }

  h2 {
    font-size: clamp(28px, 3.2vw, 40px);
    letter-spacing: -.02em;
  }

  h3 {
    font-size: 20px;
  }

  p {
    margin: 0 0 1em;
  }

  /* category hero */
  .cat-hero {
    position: relative;
    background: var(--paper);
    overflow: hidden;
    padding: 72px 0 78px;
  }

  .cat-hero::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 52%;
    height: 100%;
    background: linear-gradient(95deg, rgba(245, 242, 236, .16), rgba(245, 242, 236, .82) 90%), url("/assets/images/backpic/back-1.webp") no-repeat right center / cover;
    opacity: .3;
    pointer-events: none;
  }

  .cat-hero::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: var(--line);
  }

  .cat-hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, .8fr);
    align-items: end;
    gap: 48px;
  }

  .breadcrumb {
    grid-column: 1 / -1;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 14px;
    color: var(--muted);
  }

  .breadcrumb a {
    color: var(--pine);
    font-weight: 600;
  }

  .breadcrumb a:hover {
    color: var(--amber);
  }

  .breadcrumb span {
    color: #b7b1a6;
  }

  .cat-hero h1 {
    font-size: clamp(42px, 5.4vw, 66px);
    line-height: 1.1;
    letter-spacing: -.03em;
    margin-bottom: 22px;
    max-width: 9em;
  }

  .cat-hero-lead {
    max-width: 640px;
    font-size: 16px;
    color: #4c514c;
    margin-bottom: 28px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
  }

  .hero-note {
    margin-top: 32px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 14px;
  }

  .hero-note i {
    color: var(--pine);
    width: 18px;
    text-align: center;
  }

  .hero-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-1);
    position: relative;
  }

  .hero-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 30px;
    right: 30px;
    height: 4px;
    background: var(--amber);
    border-radius: 0 0 4px 4px;
  }

  .hero-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .hero-card li {
    display: flex;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px dashed var(--line);
  }

  .hero-card li:last-child {
    border-bottom: 0;
  }

  .hero-card .card-pin {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--mist);
    color: var(--pine);
    border-radius: 999px;
    font-size: 13px;
  }

  .hero-card .card-txt strong {
    display: block;
    font-size: 15px;
    color: var(--ink);
    line-height: 1.4;
  }

  .hero-card .card-txt span {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
  }

  /* stage section */
  .stage-section {
    padding: 88px 0 96px;
    background: #fff;
  }

  .section-head {
    max-width: 720px;
    margin-bottom: 44px;
  }

  .section-head p {
    color: var(--muted);
    font-size: 16px;
    margin-top: 8px;
  }

  .stage-list {
    border-top: 1px solid var(--line);
  }

  .stage-item {
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
    transition: background .3s var(--ease);
  }

  .stage-item[open] {
    background: linear-gradient(90deg, rgba(232, 239, 235, .4), rgba(255, 255, 255, 0));
  }

  .stage-item summary {
    display: grid;
    grid-template-columns: 94px 180px minmax(0, 1fr) 48px;
    gap: 24px;
    align-items: center;
    padding: 30px 12px;
    list-style: none;
    cursor: pointer;
  }

  .stage-item summary::-webkit-details-marker {
    display: none;
  }

  .stage-item summary:hover .stage-num {
    color: var(--amber);
    transform: translateX(2px);
  }

  .stage-num {
    color: #b9b2a6;
    font-weight: 900;
    font-size: clamp(32px, 3vw, 48px);
    letter-spacing: -.04em;
    line-height: 1;
    transition: color .25s var(--ease), transform .25s var(--ease);
    font-variant-numeric: tabular-nums;
  }

  .stage-titles {
    display: block;
  }

  .stage-phase {
    display: block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .06em;
    color: var(--amber);
    margin-bottom: 4px;
  }

  .stage-titles strong {
    font-size: 20px;
    font-weight: 800;
    color: var(--ink);
    display: block;
    line-height: 1.3;
  }

  .stage-desc {
    display: block;
    font-size: 15px;
    color: #5c625c;
    line-height: 1.75;
    max-width: 480px;
  }

  .stage-toggle {
    width: 36px;
    height: 36px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 999px;
    position: relative;
    transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
  }

  .stage-toggle::before,
  .stage-toggle::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    background: var(--pine);
    transition: transform .3s var(--ease), background .3s var(--ease);
  }

  .stage-toggle::before {
    width: 13px;
    height: 2px;
    transform: translate(-50%, -50%);
  }

  .stage-toggle::after {
    width: 2px;
    height: 13px;
    transform: translate(-50%, -50%);
  }

  .stage-item[open] .stage-toggle {
    background: var(--pine);
    border-color: var(--pine);
    transform: rotate(135deg);
  }

  .stage-item[open] .stage-toggle::before,
  .stage-item[open] .stage-toggle::after {
    background: #fff;
  }

  .stage-content {
    margin: 0 12px 0 130px;
    padding: 6px 0 38px;
    max-width: 980px;
  }

  .check-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .check-list li {
    position: relative;
    padding: 10px 0 10px 38px;
    border-top: 1px dashed #e3e6e1;
    font-size: 15px;
    line-height: 1.8;
    color: #48504b;
  }

  .check-list li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 14px;
    width: 22px;
    height: 22px;
    background: var(--mist);
    color: var(--pine);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-size: 10px;
    line-height: 1;
  }

  .check-list li strong {
    color: var(--ink);
    font-weight: 700;
  }

  /* capabilities */
  .capabilities {
    padding: 88px 0 96px;
    background: var(--mist);
    border-top: 1px solid #d5e3db;
    border-bottom: 1px solid var(--line);
  }

  .cap-grid {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: center;
  }

  .cap-copy .section-head {
    margin-bottom: 36px;
  }

  .cap-lead {
    color: var(--muted);
    margin-bottom: 28px;
  }

  .browser-shot {
    background: var(--pine-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-2);
    border: 1px solid rgba(255, 255, 255, .2);
  }

  .browser-shot .browser-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    color: #d9e5df;
    font-size: 13px;
    background: #0d352d;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  .browser-shot .browser-top .dots {
    display: flex;
    gap: 6px;
  }

  .browser-shot .browser-top .dots i {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, .18);
    border-radius: 50%;
  }

  .browser-shot .browser-top .dots i:first-child {
    background: var(--amber);
  }

  .browser-shot img {
    width: 100%;
    min-height: 180px;
    object-fit: cover;
    display: block;
  }

  .site-platform-tip {
    font-size: 12px;
    color: rgba(255, 255, 255, .52);
    letter-spacing: .05em;
  }

  .value-list {
    display: grid;
    gap: 20px;
  }

  .value-item {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 16px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 22px;
    box-shadow: var(--shadow-1);
    transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
  }

  .value-item:hover {
    border-color: #cfd6cf;
    box-shadow: var(--shadow-2);
    transform: translateY(-2px);
  }

  .value-item .cap-ico {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--mist);
    color: var(--pine);
    border-radius: var(--radius-sm);
    font-size: 20px;
  }

  .value-item h3 {
    margin-bottom: 4px;
    font-size: 18px;
  }

  .value-item p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
  }

  /* download zone */
  .download-zone {
    padding: 20px 0 88px;
    background: var(--mist);
  }

  .download-card {
    position: relative;
    padding: clamp(40px, 6vw, 68px);
    background: radial-gradient(circle at 86% 20%, rgba(200, 155, 108, .18), transparent 30%), linear-gradient(120deg, var(--pine-dark), var(--pine) 75%);
    border-radius: var(--radius-lg);
    color: #fff;
    overflow: hidden;
    box-shadow: var(--shadow-2);
  }

  .download-card::after {
    content: "";
    position: absolute;
    right: -40px;
    bottom: -120px;
    width: 360px;
    height: 360px;
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: 50%;
  }

  .download-card .content {
    position: relative;
    z-index: 2;
    max-width: 760px;
  }

  .download-card h2 {
    color: #fff;
    font-size: clamp(26px, 3vw, 38px);
    margin-bottom: 18px;
  }

  .download-card p {
    color: rgba(255, 255, 255, .82);
    font-size: 16px;
    margin-bottom: 30px;
    max-width: 680px;
  }

  .download-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
  }

  .download-tip {
    margin-top: 26px;
    color: rgba(255, 255, 255, .6);
    font-size: 13px;
  }

  .download-tip a {
    color: #f4d8bb;
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  /* compare table */
  .compare-section {
    padding: 90px 0 96px;
    background: #fff;
  }

  .compare-head {
    max-width: 760px;
    margin-bottom: 38px;
  }

  .table-scroll {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow-1);
  }

  .compare-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
    font-size: 15px;
    margin: 0;
  }

  .compare-table th {
    background: var(--pine);
    color: #fff;
    font-weight: 700;
    padding: 16px 20px;
    text-align: left;
    white-space: nowrap;
  }

  .compare-table td {
    padding: 18px 20px;
    border-bottom: 1px solid var(--line);
    color: #444b46;
    vertical-align: top;
    line-height: 1.7;
  }

  .compare-table tr:last-child td {
    border-bottom: 0;
  }

  .compare-table td:first-child {
    font-weight: 800;
    color: var(--ink);
    background: var(--paper);
    width: 150px;
    white-space: nowrap;
  }

  .compare-table td.do {
    color: var(--pine);
    font-weight: 500;
  }

  .compare-table td:not(.do) {
    color: #7b4b4b;
  }

  .compare-table td i {
    margin-right: 8px;
    color: var(--amber);
  }

  /* FAQ */
  .faq-section {
    padding: 88px 0 96px;
    background: var(--paper);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .faq-head {
    text-align: center;
    margin-bottom: 44px;
  }

  .faq-head .section-label {
    justify-content: center;
  }

  .faq-wrap {
    max-width: 920px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding-inline: clamp(20px, 4vw, 44px);
    box-shadow: var(--shadow-1);
  }

  .faq-item {
    border-bottom: 1px solid var(--line);
  }

  .faq-item:last-child {
    border-bottom: 0;
  }

  .faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    list-style: none;
    padding: 24px 0;
    cursor: pointer;
    font-weight: 800;
    color: var(--ink);
    font-size: 16px;
    line-height: 1.5;
    transition: color .2s var(--ease);
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary:hover {
    color: var(--pine);
  }

  .faq-item[open] summary {
    color: var(--pine);
  }

  .faq-item .faq-icon {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    position: relative;
  }

  .faq-item .faq-icon::before,
  .faq-item .faq-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    background: var(--pine);
    transition: transform .25s var(--ease);
  }

  .faq-item .faq-icon::before {
    width: 14px;
    height: 2px;
    transform: translate(-50%, -50%);
  }

  .faq-item .faq-icon::after {
    width: 2px;
    height: 14px;
    transform: translate(-50%, -50%);
  }

  .faq-item[open] .faq-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
  }

  .faq-answer {
    padding: 0 0 28px;
    max-width: 800px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.85;
  }

  /* final cta */
  .final-cta {
    padding: 96px 0;
    background: var(--pine-dark);
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .final-cta::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgba(200, 155, 108, .6), transparent);
  }

  .final-cta .container {
    position: relative;
    z-index: 2;
  }

  .final-cta h2 {
    color: #fff;
    font-size: clamp(30px, 3.6vw, 44px);
    margin-bottom: 20px;
  }

  .final-cta p {
    color: rgba(255, 255, 255, .78);
    max-width: 680px;
    margin: 0 auto 34px;
    font-size: 16px;
  }

  .final-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .final-note {
    margin-top: 28px;
    font-size: 13px;
    color: rgba(255, 255, 255, .5);
  }

  /* footer */
  .site-footer {
    background: var(--pine-deeper);
    color: rgba(255, 255, 255, .72);
    padding: 72px 0 0;
    font-size: 15px;
  }

  .footer-main {
    display: grid;
    grid-template-columns: 1.1fr .7fr .8fr 1fr;
    gap: 40px;
    padding-bottom: 56px;
  }

  .footer-brand .brand-logo {
    color: #fff;
  }

  .footer-brand .brand-logo strong {
    color: #fff;
  }

  .footer-brand .brand-logo em {
    color: #d8e2dd;
  }

  .footer-brand-desc {
    color: rgba(255, 255, 255, .6);
    line-height: 1.9;
    margin: 18px 0 0;
    max-width: 370px;
    font-size: 14px;
  }

  .site-footer h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 18px;
  }

  .footer-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .footer-col a {
    color: rgba(255, 255, 255, .66);
    transition: color .2s var(--ease), padding-left .2s var(--ease);
  }

  .footer-col a:hover {
    color: var(--amber-light);
    padding-left: 4px;
  }

  .footer-site-note {
    font-size: 14px;
    color: rgba(255, 255, 255, .46);
    line-height: 1.9;
    border-left: 2px solid var(--amber);
    padding-left: 16px;
  }

  .footer-bar {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    color: rgba(255, 255, 255, .4);
    font-size: 13px;
    flex-wrap: wrap;
  }

  /* responsive */
  @media (max-width: 1024px) {
    .header-inner {
      min-height: 70px;
    }

    .site-nav {
      display: none;
    }

    .site-nav.is-open {
      display: flex;
      position: fixed;
      inset: 0;
      z-index: 80;
      background: #fff;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
      padding: 40px 8vw;
      gap: 8px;
    }

    .site-nav.is-open a:not(.nav-download) {
      font-size: 26px;
      height: auto;
      padding: 12px 0;
      color: var(--ink);
      border-radius: 0;
    }

    .site-nav.is-open a.active:not(.nav-download) {
      color: var(--pine);
    }

    .site-nav.is-open a.active::after {
      left: 0;
      right: 0;
      bottom: 4px;
      width: 100%;
      height: 3px;
      margin: 0;
      border-radius: 0;
      background: var(--amber);
    }

    .site-nav.is-open .nav-download {
      margin-top: 26px;
      width: 100%;
      border-color: var(--pine);
    }

    .nav-toggle {
      display: inline-flex;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 42px;
      height: 42px;
      background: transparent;
      border: 0;
      cursor: pointer;
      z-index: 90;
    }

    .nav-toggle span {
      width: 22px;
      height: 2px;
      background: var(--ink);
      display: block;
      border-radius: 4px;
      transition: transform .25s var(--ease);
    }

    .nav-toggle.is-open span:first-child {
      transform: rotate(45deg) translate(4px, 5px);
    }

    .nav-toggle.is-open span:last-child {
      transform: rotate(-45deg) translate(4px, -5px);
    }
  }

  @media (max-width: 900px) {
    .cat-hero-inner {
      grid-template-columns: 1fr;
    }

    .hero-card {
      max-width: 640px;
    }

    .cap-grid {
      grid-template-columns: 1fr;
    }

    .browser-shot {
      max-width: 560px;
    }

    .footer-main {
      grid-template-columns: 1fr 1fr;
    }

    .footer-site-note {
      grid-column: 1 / -1;
    }
  }

  @media (max-width: 768px) {
    .cat-hero {
      padding: 48px 0 56px;
    }

    .stage-section,
    .capabilities,
    .compare-section,
    .faq-section,
    .final-cta {
      padding: 62px 0 64px;
    }

    .download-zone {
      padding-top: 0;
      padding-bottom: 64px;
    }

    .stage-item summary {
      grid-template-columns: 34px 1fr 32px;
      gap: 12px;
      padding: 22px 0;
    }

    .stage-desc {
      grid-column: 2 / 4;
    }

    .stage-toggle {
      width: 32px;
      height: 32px;
    }

    .stage-content {
      margin: 0 0 0 46px;
    }
  }

  @media (max-width: 640px) {
    h2 {
      font-size: 28px;
    }

    .header-inner {
      min-height: 64px;
    }

    .brand-logo {
      font-size: 18px;
    }

    .stage-item summary {
      gap: 8px;
    }

    .stage-toggle {
      width: 30px;
      height: 30px;
    }

    .stage-content {
      margin-left: 0;
      padding-left: 0;
    }

    .check-list li {
      padding-left: 34px;
    }

    .value-item {
      grid-template-columns: 1fr;
      gap: 8px;
    }

    .hero-card {
      padding: 22px;
    }

    .compare-table th,
    .compare-table td {
      padding: 12px 14px;
    }

    .footer-main {
      grid-template-columns: 1fr;
      gap: 30px;
      padding-bottom: 36px;
    }

    .footer-site-note {
      grid-column: auto;
    }

    .footer-bar {
      flex-direction: column;
      text-align: center;
      justify-content: center;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }

    *, *::before, *::after {
      animation-duration: .001s !important;
      transition-duration: .001s !important;
    }
  }