/* roulang page: index */
:root {
  --primary: #0B3B32;
  --primary-deep: #06251F;
  --accent: #D9FF4A;
  --accent-deep: #06251F;
  --warm: #FF7A45;
  --light-bg: #F4F6F3;
  --dark-card: #0C211B;
  --text-main: #1A241F;
  --text-sub: #5A6B64;
  --line: #DCE4DE;
  --success: #2E9E68;
  --danger: #E5484D;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 8px 24px rgba(8, 32, 27, 0.06);
  --shadow-md: 0 14px 36px rgba(8, 32, 27, 0.12);
  --container-w: 1200px;
  --gutter: 24px;
  --header-h: 72px;
  --font-main: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  background: #ffffff;
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}
button { font-family: inherit; }
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.section { padding: 96px 0; }
.section--light { background: var(--light-bg); }
.section--white { background: #ffffff; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.6px;
  color: var(--primary-deep);
  background: rgba(217, 255, 74, 0.38);
  padding: 6px 14px;
  border-radius: 999px;
}
.section-head h2 {
  font-size: clamp(28px, 3.2vw, 36px);
  line-height: 1.24;
  color: var(--primary-deep);
  font-weight: 800;
  margin-top: 12px;
  letter-spacing: 0.5px;
}
.text-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  border-bottom: 2px solid rgba(11, 59, 50, 0.15);
  padding-bottom: 4px;
  transition: border-color .2s ease, gap .2s ease, color .2s ease;
  white-space: nowrap;
}
.text-arrow:hover {
  color: var(--accent-deep);
  border-color: var(--accent);
  gap: 12px;
}
.text-arrow svg { width: 16px; height: 16px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: 16px;
  line-height: 1.2;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .25s ease, color .25s ease, transform .2s ease, box-shadow .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #12251f;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--primary-deep);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(6, 37, 31, 0.18);
  border-color: var(--primary-deep);
}
.btn-secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
  backdrop-filter: blur(6px);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #ffffff;
  color: #ffffff;
  transform: translateY(-2px);
}
.btn-dark {
  background: transparent;
  color: var(--primary);
  border-color: rgba(11, 59, 50, 0.25);
}
.btn-dark:hover {
  background: rgba(11, 59, 50, 0.06);
  border-color: var(--primary);
}
.btn-sm { padding: 10px 18px; font-size: 14px; }

/* Header & Nav */
.site-header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(6, 28, 24, 0.45);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: rgba(250, 252, 249, 0.94);
  border-bottom-color: rgba(11, 59, 50, 0.08);
  box-shadow: 0 10px 28px rgba(8, 32, 27, 0.07);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 20px;
}
.brand {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: #ffffff;
  white-space: nowrap;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.16);
  transition: color .3s ease;
}
.brand span { color: var(--accent); }
.site-header.scrolled .brand {
  color: var(--primary-deep);
  text-shadow: none;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: #ffffff;
  padding: 8px 2px;
  letter-spacing: 0.2px;
  transition: color .25s ease;
  opacity: 0.94;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
  border-radius: 2px;
}
.nav-link:hover { color: var(--accent); }
.nav-link.active { color: var(--accent); font-weight: 700; }
.nav-link.active::after { transform: scaleX(1); }
.site-header.scrolled .nav-link {
  color: var(--primary-deep);
  opacity: 1;
}
.site-header.scrolled .nav-link:hover,
.site-header.scrolled .nav-link.active { color: #175447; }
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.34);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: all .2s ease;
}
.menu-toggle span { width: 20px; height: 2px; border-radius: 2px; background: #fff; display: block; transition: all .25s; }
.site-header.scrolled .menu-toggle { border-color: rgba(11, 59, 50, 0.25); }
.site-header.scrolled .menu-toggle span { background: var(--primary-deep); }
.menu-toggle.open .menu-toggle-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open .menu-toggle-line:nth-child(2) { opacity: 0; }
.menu-toggle.open .menu-toggle-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, rgba(6, 37, 31, 0.62), rgba(6, 37, 31, 0.15) 42%, rgba(11, 59, 50, 0.34) 100%), url("/assets/images/backpic/back-1.webp") center center / cover no-repeat;
  isolation: isolate;
  color: #ffffff;
  padding: 140px 0 90px;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(5, 25, 22, 0.72) 0%, rgba(5, 25, 22, 0.38) 56%, rgba(5, 25, 22, 0.08) 100%);
  z-index: -1;
}
.hero-content {
  width: 100%;
  z-index: 2;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
  background: rgba(6, 37, 31, 0.46);
  border: 1px solid rgba(217, 255, 74, 0.4);
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 28px;
  backdrop-filter: blur(6px);
}
.hero h1 {
  font-size: clamp(34px, 5.2vw, 58px);
  line-height: 1.16;
  letter-spacing: 0.5px;
  font-weight: 800;
  max-width: 820px;
  text-shadow: 0 4px 22px rgba(0, 0, 0, 0.24);
}
.hero h1 .hero-line {
  display: block;
  margin-top: 12px;
}
.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.8;
  max-width: 650px;
  margin: 28px 0 36px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 400;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-stats {
  position: absolute;
  right: max(24px, calc((100vw - var(--container-w)) / 2));
  top: 50%;
  transform: translateY(-50%);
  background: rgba(12, 33, 27, 0.46);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 18px;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 3;
  max-width: 230px;
  color: #ffffff;
}
.hero-stat-item { display: flex; flex-direction: column; gap: 0; }
.hero-stat-item strong {
  font-size: 25px;
  line-height: 1.1;
  color: var(--accent);
  font-weight: 800;
  font-family: "Barlow Condensed", var(--font-main);
}
.hero-stat-item span { font-size: 13px; color: rgba(255, 255, 255, 0.76); }
.hero-bottom-line {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 70%);
  opacity: .5;
}

/* Metrics band */
.metrics {
  background: #fafbf8;
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.metric-list {
  display: flex;
  width: 100%;
}
.metric-item {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 28px 24px;
  border-left: 1px solid var(--line);
}
.metric-item:first-child { border-left: 0; }
.metric-item strong {
  font-size: clamp(26px, 2.8vw, 36px);
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1;
  letter-spacing: -0.5px;
  font-family: "Barlow Condensed", var(--font-main);
}
.metric-item span { font-size: 14px; color: var(--text-sub); letter-spacing: .3px; font-weight: 500; }

/* Steps */
.steps-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}
.step-item {
  position: relative;
  background: #ffffff;
  border: 1px solid rgba(11, 59, 50, 0.08);
  border-radius: var(--radius-lg);
  padding: 42px 30px 36px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.step-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step-item .step-num {
  font-size: 44px;
  font-weight: 800;
  color: rgba(217, 255, 74, 0.65);
  line-height: 1;
  font-family: "Barlow Condensed", var(--font-main);
  text-shadow: 0 2px 0 rgba(11, 59, 50, 0.08);
  display: block;
  margin-bottom: 24px;
}
.step-item h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 10px;
}
.step-item p { font-size: 15px; line-height: 1.75; color: var(--text-sub); }
.step-item .step-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(11, 59, 50, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.step-item .step-icon svg { width: 22px; height: 22px; color: var(--primary); }
.step-separator {
  position: absolute;
  top: 50%;
  right: -18px;
  width: 28px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--primary-deep) 0 4px, transparent 4px 9px);
  opacity: .3;
  z-index: 2;
}
.step-item:nth-child(3n) .step-separator { display: none; }

/* Cases */
.case-row {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 80px;
}
.case-row:last-child { margin-bottom: 0; }
.case-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-height: 320px;
  background: var(--primary-deep);
}
.case-media img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; transition: transform .5s ease; }
.case-row:hover .case-media img { transform: scale(1.04); }
.case-tag {
  display: inline-block;
  background: rgba(217, 255, 74, 0.9);
  color: var(--primary-deep);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  letter-spacing: .4px;
  margin-bottom: 16px;
}
.case-info h3 { font-size: clamp(20px, 2.2vw, 25px); line-height: 1.4; color: var(--primary-deep); font-weight: 700; }
.case-info p { margin: 16px 0 20px; color: var(--text-sub); line-height: 1.85; }
.case-results {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 22px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.case-result-item { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.case-result-item .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  border: 1px solid rgba(6, 37, 31, 0.35);
}
.case-row.reversed .case-media { order: 2; }
.case-row.reversed .case-info { order: 1; }

/* News section */
.news-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 36px;
  align-items: stretch;
}
.news-spotlight {
  background: var(--primary-deep);
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: #fff;
  transition: transform .25s ease, box-shadow .25s ease;
  box-shadow: var(--shadow-sm);
}
.news-spotlight:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.news-spotlight-media {
  height: 250px;
  overflow: hidden;
  background: url("/assets/images/coverpic/cover-1.png") center center / cover no-repeat var(--primary-deep);
}
.news-spotlight-body { padding: 28px; }
.news-spotlight-body .badge {
  background: var(--accent);
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 4px 12px;
  display: inline-block;
  margin-bottom: 14px;
  letter-spacing: .3px;
}
.news-spotlight-body h3 {
  font-size: 21px;
  line-height: 1.45;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-spotlight-body p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta { font-size: 12px; color: rgba(255, 255, 255, 0.5); display: flex; gap: 12px; align-items: center; }
.news-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.news-list-item {
  display: flex;
  gap: 18px;
  background: #ffffff;
  border: 1px solid rgba(11, 59, 50, 0.08);
  border-radius: 14px;
  padding: 20px 20px;
  transition: box-shadow .25s, transform .2s, background .2s;
}
.news-list-item:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
  background: #fbfdf9;
}
.news-list-item .news-thumb {
  width: 84px;
  min-height: 84px;
  border-radius: 12px;
  background: url("/assets/images/coverpic/cover-2.png") center center / cover no-repeat var(--primary-deep);
  flex-shrink: 0;
}
.news-list-item:nth-child(2n) .news-thumb { background-image: url("/assets/images/coverpic/cover-3.png"); }
.news-list-item .news-body { flex: 1; min-width: 0; }
.news-list-item .badge-outline {
  display: inline-block;
  border: 1px solid rgba(11, 59, 50, 0.18);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 11px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
  background: rgba(11, 59, 50, 0.04);
}
.news-list-item h3 {
  font-size: 15.5px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-list-item .news-time {
  font-size: 12px;
  color: #90a098;
  display: flex;
  align-items: center;
  gap: 6px;
}
.news-empty {
  min-height: 220px;
  border: 1px dashed rgba(11, 59, 50, 0.18);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  padding: 40px;
  color: var(--text-sub);
  background: rgba(244, 246, 243, 0.8);
  width: 100%;
  grid-column: 1 / -1;
}
.news-empty-symbol {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #e3e8e2;
}
.news-empty-symbol::before {
  content: "";
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #9aaea4;
  margin: 11px auto 0;
}
.news-empty p { font-size: 14px; color: #84968e; letter-spacing: .5px; }

/* FAQ */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: #ffffff;
  border: 1px solid rgba(11, 59, 50, 0.1);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.faq-item[open] {
  border-color: rgba(11, 59, 50, 0.18);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 22px 56px 22px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  transition: color .2s ease;
  border-left: 4px solid transparent;
}
.faq-item summary::-webkit-details-marker,
.faq-item summary::marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  color: var(--primary);
  font-weight: 300;
  opacity: .7;
  transition: transform .25s, color .2s;
}
.faq-item[open] summary {
  color: var(--primary);
  border-left-color: var(--accent);
}
.faq-item[open] summary::after {
  content: "–";
  transform: translateY(-50%);
  color: var(--accent-deep);
  opacity: 1;
  font-weight: 500;
}
.faq-body {
  padding: 0 56px 24px 24px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-sub);
}

/* CTA */
.cta-band {
  position: relative;
  background: linear-gradient(117deg, #06251F 0%, #0B3B32 55%, #13534a 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 72px 68px;
}
.cta-band::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(217, 255, 74, 0.12) 0%, transparent 70%);
}
.cta-band::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 50%;
  background: linear-gradient(180deg, transparent, rgba(217, 255, 74, 0.04));
  pointer-events: none;
}
.cta-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.cta-text h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: .4px;
}
.cta-text p { color: rgba(255, 255, 255, 0.8); font-size: 16px; max-width: 560px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Footer */
.site-footer {
  background: #071d17;
  color: #c2ccc7;
  padding: 72px 0 0;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 1.2fr;
  gap: 52px;
  padding-bottom: 48px;
}
.footer-brand .brand {
  font-size: 24px;
  color: #ffffff;
  text-shadow: none;
}
.footer-brand p { font-size: 14px; color: #92a39b; line-height: 1.9; margin: 18px 0 20px; max-width: 300px; }
.footer-contact { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-contact li { display: flex; gap: 8px; align-items: center; }
.footer-contact li a:hover { color: var(--accent); }
.footer-contact li svg { width: 17px; height: 17px; margin-right: 6px; color: rgba(217, 255, 74, 0.7); }
.footer-block-title {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: .3px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(88, 124, 111, 0.35);
  margin-bottom: 22px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: #92a39b; transition: all .2s ease; }
.footer-links a:hover { color: var(--accent); padding-left: 5px; }
.footer-file-list { font-size: 14px; color: #92a39b; display: flex; flex-direction: column; gap: 10px; list-style: none; }
.footer-file-list span { display: inline-flex; gap: 10px; align-items: center; }
.footer-file-list .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: #607169;
  font-size: 13px;
}

/* Media Queries */
@media (max-width: 1199px) {
  .hero-stats { display: none; }
  .case-row { gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 991px) {
  :root { --header-h: 64px; }
  .section { padding: 80px 0; }
  .menu-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 29, 23, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 10px;
    padding: 48px 24px 40px;
    transform: translateY(100%);
    transition: transform .4s cubic-bezier(.22, 1, .36, 1), opacity .3s;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    overflow-y: auto;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .main-nav .nav-link {
    font-size: 20px;
    color: #ffffff;
    opacity: 1;
    display: block;
    padding: 14px 10px;
    text-align: center;
    width: 100%;
    max-width: 360px;
  }
  .site-header.scrolled .main-nav .nav-link {
    color: #ffffff;
    opacity: 1;
  }
  .main-nav .nav-link.active { color: var(--accent); }
  .main-nav .nav-link::after { display: none; }
  .site-header .header-cta { display: none; }
  .case-row {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 56px;
  }
  .case-row.reversed .case-media { order: 0; }
  .case-row.reversed .case-info { order: 0; }
  .news-grid { grid-template-columns: 1fr; gap: 24px; }
  .steps-track { grid-template-columns: 1fr; gap: 20px; }
  .step-separator { display: none; }
  .cta-band { padding: 52px 36px; }
  .metric-list { flex-wrap: wrap; }
  .metric-item { border-left: 0; flex: 1 1 50%; justify-content: center; }
  .metric-item:nth-child(2) { border-left: 1px solid var(--line); }
}
@media (max-width: 767px) {
  .section { padding: 68px 0; }
  .header-cta { display: none; }
  .metric-item { flex: 1 1 100%; border-left: 0; text-align: center; justify-content: center; flex-direction: column; gap: 4px; border-top: 1px solid var(--line); margin-top: -1px; }
  .metric-list { flex-direction: column; }
  .metric-item:first-child { border-top: 0; }
  .hero { padding: 100px 0 50px; }
  .hero h1 { font-size: 34px; }
  .hero-actions .btn { width: 100%; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .faq-body { padding-right: 36px; }
  .cta-band { padding: 44px 22px; }
  .cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .news-spotlight-body { padding: 22px; }
  .news-list-item .news-thumb { width: 68px; min-height: 68px; }
  .news-spotlight-media { height: 200px; }
}

/* roulang page: category1 */
:root {
      --primary: #0B3B32;
      --primary-deep: #06251F;
      --lime: #D9FF4A;
      --accent: #FF7A45;
      --cream: #F4F6F3;
      --dark-card: #0C211B;
      --text: #1A241F;
      --muted: #5A6B64;
      --border: #DCE4DE;
      --success: #2E9E68;
      --danger: #E5484D;
      --white: #ffffff;
      --radius-lg: 20px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --shadow-sm: 0 8px 24px rgba(8, 32, 27, 0.06);
      --shadow-lg: 0 14px 36px rgba(8, 32, 27, 0.12);
      --transition: all .25s ease;
      --container: 1200px;
      --gutter: 24px;
      --font: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background: var(--white);
      -webkit-font-smoothing: antialiased;
    }

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

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

    button {
      font-family: inherit;
      border: 0;
      background: none;
      cursor: pointer;
    }

    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 var(--gutter);
    }

    section {
      padding: 96px 0;
      position: relative;
    }

    .section-head {
      margin-bottom: 42px;
      max-width: 760px;
    }

    .section-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .08em;
      color: var(--primary);
      background: rgba(11, 59, 50, .07);
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 18px;
    }

    .section-eyebrow::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--lime);
      box-shadow: 0 0 0 4px rgba(217, 255, 74, .35);
    }

    .section-title {
      font-size: clamp(28px, 3.2vw, 38px);
      line-height: 1.25;
      font-weight: 800;
      color: var(--primary-deep);
      letter-spacing: -.02em;
    }

    .section-desc {
      color: var(--muted);
      font-size: 16px;
      margin-top: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 600;
      font-size: 16px;
      line-height: 1;
      padding: 14px 22px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      transition: all .25s ease;
      justify-content: center;
    }

    .btn-primary {
      background: var(--lime);
      color: var(--primary-deep);
      box-shadow: 0 6px 18px rgba(217, 255, 74, .18);
    }

    .btn-primary:hover {
      background: var(--primary);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }

    .btn-outline-light {
      border-color: rgba(255, 255, 255, .58);
      color: #fff;
      background: rgba(255, 255, 255, .08);
      backdrop-filter: blur(10px);
    }

    .btn-outline-light:hover {
      background: rgba(255, 255, 255, .18);
      border-color: #fff;
      transform: translateY(-2px);
    }

    .btn-outline-dark {
      border-color: rgba(11, 59, 50, .28);
      color: var(--primary);
      background: transparent;
    }

    .btn-outline-dark:hover {
      background: rgba(11, 59, 50, .06);
      border-color: var(--primary);
    }

    :focus-visible {
      outline: 3px solid var(--lime);
      outline-offset: 3px;
      border-radius: 6px;
    }

    /* Header */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      height: 72px;
      display: flex;
      align-items: center;
      background: rgba(6, 28, 24, .45);
      border-bottom: 1px solid rgba(255, 255, 255, .15);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
    }

    .site-header.scrolled {
      background: rgba(250, 252, 249, .96);
      border-bottom: 1px solid rgba(11, 59, 50, .08);
      box-shadow: 0 8px 30px rgba(6, 37, 31, .08);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      width: 100%;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 21px;
      font-weight: 800;
      color: #fff;
      letter-spacing: .01em;
      line-height: 1.2;
      flex-shrink: 0;
    }

    .logo-mark {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--lime);
      display: grid;
      place-items: center;
      color: var(--primary-deep);
    }

    .site-header.scrolled .brand-logo {
      color: var(--primary-deep);
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: auto;
    }

    .main-nav .nav-link {
      display: inline-flex;
      align-items: center;
      height: 40px;
      padding: 0 16px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 500;
      color: rgba(255, 255, 255, .86);
      transition: all .25s ease;
      white-space: nowrap;
    }

    .site-header.scrolled .main-nav .nav-link {
      color: var(--primary);
    }

    .main-nav .nav-link:hover {
      background: rgba(255, 255, 255, .1);
      color: #fff;
    }

    .site-header.scrolled .main-nav .nav-link:hover {
      background: rgba(11, 59, 50, .08);
      color: var(--primary);
    }

    .main-nav .nav-link.active {
      background: var(--lime);
      color: var(--primary-deep);
      font-weight: 700;
    }

    .header-cta {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-left: 18px;
      flex-shrink: 0;
    }

    .btn-nav {
      padding: 10px 18px;
      font-size: 15px;
      border-radius: 999px;
    }

    .nav-toggle {
      display: none;
      width: 46px;
      height: 46px;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .2);
    }

    .nav-toggle .bar {
      width: 22px;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      display: block;
      position: relative;
      transition: var(--transition);
    }

    .nav-toggle .bar::before,
    .nav-toggle .bar::after {
      content: "";
      position: absolute;
      left: 0;
      width: 22px;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      transition: var(--transition);
    }

    .nav-toggle .bar::before {
      top: -7px;
    }

    .nav-toggle .bar::after {
      top: 7px;
    }

    .site-header.scrolled .nav-toggle {
      border-color: rgba(11, 59, 50, .14);
    }

    .site-header.scrolled .nav-toggle .bar,
    .site-header.scrolled .nav-toggle .bar::before,
    .site-header.scrolled .nav-toggle .bar::after {
      background: var(--primary-deep);
    }

    .nav-open .nav-toggle .bar {
      background: transparent;
    }

    .nav-open .nav-toggle .bar::before {
      top: 0;
      transform: rotate(45deg);
    }

    .nav-open .nav-toggle .bar::after {
      top: 0;
      transform: rotate(-45deg);
    }

    /* Venue page hero */
    .venue-hero {
      min-height: 92vh;
      display: flex;
      align-items: flex-end;
      background:
        linear-gradient(to right, rgba(4, 28, 23, .88) 0%, rgba(6, 37, 31, .68) 45%, rgba(6, 37, 31, .32) 100%),
        url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
      padding: 150px 0 80px;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .venue-hero-content {
      max-width: 720px;
      position: relative;
      z-index: 2;
    }

    .hero-tagline {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(217, 255, 74, .16);
      border: 1px solid rgba(217, 255, 74, .3);
      padding: 7px 16px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      color: var(--lime);
      letter-spacing: .05em;
      margin-bottom: 24px;
    }

    .venue-hero h1 {
      font-size: clamp(34px, 5vw, 56px);
      line-height: 1.16;
      font-weight: 800;
      color: #fff;
      letter-spacing: -.02em;
    }

    .hero-sub {
      font-size: 17px;
      line-height: 1.8;
      color: rgba(255, 255, 255, .82);
      margin-top: 24px;
      max-width: 580px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-top: 32px;
    }

    .hero-metric-float {
      position: absolute;
      right: 40px;
      top: 50%;
      transform: translateY(-50%);
      width: 290px;
      background: rgba(12, 33, 27, .64);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: 20px;
      padding: 24px;
      z-index: 3;
      box-shadow: 0 20px 44px rgba(0, 0, 0, .22);
    }

    .hero-metric-float::before {
      content: "";
      position: absolute;
      top: -2px;
      left: 26px;
      width: 52px;
      height: 4px;
      border-radius: 0 0 6px 6px;
      background: var(--lime);
    }

    .float-item {
      display: flex;
      align-items: baseline;
      gap: 10px;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .float-item:last-of-type {
      border-bottom: 0;
    }

    .float-item strong {
      font-size: 26px;
      font-weight: 800;
      color: var(--lime);
      line-height: 1;
    }

    .float-item span {
      color: rgba(255, 255, 255, .8);
      font-size: 14px;
    }

    .float-note {
      font-size: 12px;
      color: rgba(255, 255, 255, .5);
      margin-top: 12px;
    }

    /* Trust strip */
    .trust-strip {
      background: var(--cream);
      padding: 0;
      margin-top: 0;
    }

    .trust-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
    }

    .trust-item {
      padding: 38px 28px;
      border-right: 1px solid var(--border);
      text-align: center;
    }

    .trust-item:first-child {
      border-left: 1px solid var(--border);
    }

    .trust-item strong {
      display: block;
      font-size: 34px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      font-family: "Barlow Condensed", "Oswald", var(--font);
      letter-spacing: .02em;
    }

    .trust-item strong em {
      font-style: normal;
      font-size: 18px;
      margin-left: 4px;
      color: var(--muted);
      font-weight: 600;
    }

    .trust-item span {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-size: 14px;
    }

    /* Facilities overview */
    .facility-overview {
      background: #fff;
    }

    .facility-split {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 64px;
      align-items: center;
    }

    .facility-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      min-height: 460px;
    }

    .facility-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      position: absolute;
      inset: 0;
    }

    .facility-visual::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(6, 37, 31, .18), transparent 45%);
    }

    .visual-badge {
      position: absolute;
      left: 20px;
      bottom: 20px;
      z-index: 2;
      background: rgba(255, 255, 255, .9);
      backdrop-filter: blur(14px);
      border-radius: 14px;
      padding: 12px 18px;
      display: flex;
      gap: 14px;
      align-items: center;
    }

    .visual-badge strong {
      font-size: 24px;
      color: var(--primary);
      font-weight: 800;
      line-height: 1;
    }

    .visual-badge span {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.3;
    }

    .facility-text .lead {
      font-size: 17px;
      color: var(--muted);
      margin: 18px 0 26px;
    }

    .facility-list {
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .facility-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      font-size: 15px;
      color: var(--text);
      background: var(--cream);
      border: 1px solid rgba(11, 59, 50, .06);
      border-radius: 12px;
      padding: 13px 16px;
    }

    .facility-list li svg {
      flex: 0 0 20px;
      margin-top: 3px;
      color: var(--success);
    }

    .facility-point {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid var(--border);
    }

    .facility-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(11, 59, 50, .06);
      border-radius: 999px;
      padding: 7px 14px;
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
    }

    /* Venue type cards */
    .venue-type-section {
      background: var(--cream);
    }

    .section-head-row {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 32px;
      margin-bottom: 42px;
    }

    .section-head-row .section-head {
      margin-bottom: 0;
    }

    .venue-card-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .venue-type-card {
      background: #fff;
      border: 1px solid rgba(11, 59, 50, .08);
      border-radius: 18px;
      overflow: hidden;
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: transform .25s ease, box-shadow .25s ease;
      display: flex;
      flex-direction: column;
    }

    .venue-type-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .venue-type-card .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: rgba(217, 255, 74, .28);
      display: grid;
      place-items: center;
      color: var(--primary);
      margin-bottom: 20px;
    }

    .venue-type-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary-deep);
      margin-bottom: 10px;
    }

    .venue-type-card p {
      font-size: 14px;
      color: var(--muted);
      flex: 1;
    }

    .venue-type-card strong {
      display: block;
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid var(--border);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
    }

    /* Scene section */
    .scene-section {
      background: #fff;
    }

    .scene-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 24px;
    }

    .scene-block {
      grid-column: span 4;
      background: var(--dark-card);
      border-radius: 22px;
      padding: 30px;
      color: #fff;
      min-height: 300px;
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .scene-block::after {
      content: "";
      position: absolute;
      width: 120px;
      height: 120px;
      background: radial-gradient(circle, rgba(217, 255, 74, .18) 0%, transparent 70%);
      right: -20px;
      top: -20px;
    }

    .scene-num {
      font-size: 14px;
      font-weight: 700;
      color: var(--lime);
      letter-spacing: .08em;
    }

    .scene-block h3 {
      font-size: 23px;
      font-weight: 700;
      margin: 10px 0 12px;
      line-height: 1.3;
    }

    .scene-block p {
      font-size: 14px;
      color: rgba(255, 255, 255, .7);
      margin-top: auto;
    }

    .scene-capacity {
      display: inline-block;
      background: rgba(255, 255, 255, .12);
      border-radius: 999px;
      padding: 6px 12px;
      font-size: 12px;
      color: #fff;
      margin-top: 20px;
      width: fit-content;
    }

    /* Facilities process */
    .facility-process {
      background: var(--cream);
    }

    .process-chain {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .process-step {
      background: #fff;
      border-radius: 20px;
      padding: 26px;
      border: 1px solid rgba(11, 59, 50, .08);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .process-step::before {
      content: "";
      position: absolute;
      right: -24px;
      top: 50%;
      width: 24px;
      height: 2px;
      background: linear-gradient(to left, rgba(11, 59, 50, .28), transparent);
    }

    .process-step:last-child::before {
      display: none;
    }

    .step-number {
      font-family: "Barlow Condensed", "Oswald", var(--font);
      font-size: 40px;
      font-weight: 800;
      color: var(--lime);
      -webkit-text-stroke: 1px var(--primary);
      line-height: 1;
    }

    .process-step h3 {
      font-size: 17px;
      color: var(--primary-deep);
      margin: 14px 0 8px;
      font-weight: 700;
    }

    .process-step p {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
    }

    /* Guarantee */
    .guarantee-section {
      background: #fff;
    }

    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .guarantee-item {
      display: flex;
      gap: 18px;
      background: var(--cream);
      border: 1px solid rgba(11, 59, 50, .06);
      border-radius: 18px;
      padding: 24px;
    }

    .guarantee-item .g-icon {
      width: 44px;
      height: 44px;
      flex-shrink: 0;
      border-radius: 12px;
      background: var(--primary);
      color: var(--lime);
      display: grid;
      place-items: center;
    }

    .guarantee-item h3 {
      font-size: 17px;
      color: var(--primary-deep);
      font-weight: 700;
      margin-bottom: 6px;
    }

    .guarantee-item p {
      font-size: 14px;
      color: var(--muted);
    }

    /* FAQ */
    .faq-section {
      background: var(--cream);
    }

    .faq-wrap {
      max-width: 860px;
      margin: 0 auto;
      background: #fff;
      border-radius: 24px;
      border: 1px solid rgba(11, 59, 50, .08);
      overflow: hidden;
    }

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

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

    .faq-question {
      width: 100%;
      min-height: 60px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 24px;
      text-align: left;
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      transition: background .2s;
    }

    .faq-question:hover {
      background: rgba(217, 255, 74, .1);
    }

    .faq-icon {
      position: relative;
      width: 28px;
      height: 28px;
      flex-shrink: 0;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      top: 50%;
      left: 50%;
      width: 14px;
      height: 2px;
      background: var(--primary);
      border-radius: 4px;
      transform: translate(-50%, -50%);
      transition: all .25s ease;
    }

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

    .faq-question[aria-expanded="true"] .faq-icon::after {
      transform: translate(-50%, -50%) rotate(0deg);
      opacity: 0;
    }

    .faq-answer {
      display: grid;
      grid-template-rows: 0fr;
      transition: grid-template-rows .28s ease;
    }

    .faq-answer.open {
      grid-template-rows: 1fr;
    }

    .faq-answer-inner {
      overflow: hidden;
    }

    .faq-answer p {
      padding: 0 24px 24px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
      border-left: 3px solid var(--lime);
      margin: 0 24px 20px 24px;
      border-radius: 0 12px 12px 0;
      background: rgba(217, 255, 74, .08);
    }

    /* CTA section */
    .cta-section {
      background:
        linear-gradient(115deg, rgba(6, 37, 31, .94) 20%, rgba(11, 59, 50, .82) 60%, rgba(11, 59, 50, .7)),
        url('/assets/images/backpic/back-2.png') center / cover no-repeat;
      color: #fff;
      padding: 100px 0;
      text-align: center;
    }

    .cta-inner {
      max-width: 780px;
      margin: 0 auto;
    }

    .cta-inner h2 {
      font-size: clamp(28px, 4vw, 42px);
      font-weight: 800;
      line-height: 1.25;
    }

    .cta-inner p {
      color: rgba(255, 255, 255, .76);
      margin: 18px 0 34px;
      font-size: 16px;
    }

    .cta-buttons {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    .cta-note {
      margin-top: 24px;
      font-size: 13px;
      color: rgba(255, 255, 255, .5);
    }

    /* Footer */
    .site-footer {
      background: var(--primary-deep);
      color: rgba(255, 255, 255, .68);
      padding-top: 68px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .9fr .9fr;
      gap: 44px;
      padding-bottom: 52px;
    }

    .footer-brand .brand {
      font-size: 22px;
      font-weight: 800;
      color: #fff;
      letter-spacing: .01em;
    }

    .footer-brand p {
      margin-top: 14px;
      color: rgba(255, 255, 255, .58);
      font-size: 14px;
      max-width: 300px;
    }

    .contact-list {
      list-style: none;
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }

    .contact-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(255, 255, 255, .7);
      font-size: 14px;
    }

    .footer-block-title {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, .6);
      font-size: 14px;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: var(--lime);
      padding-left: 6px;
    }

    .footer-file-list {
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .footer-file-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14px;
      color: rgba(255, 255, 255, .6);
    }

    .dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--lime);
      margin-top: 8px;
      flex-shrink: 0;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .12);
      padding: 20px 0;
      text-align: center;
      color: rgba(255, 255, 255, .4);
      font-size: 13px;
      line-height: 1.6;
    }

    /* Responsive */
    @media (max-width: 1100px) {
      .hero-metric-float {
        display: none;
      }

      .venue-card-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .process-chain {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }

      .process-step::before {
        display: none;
      }

      .scene-block {
        grid-column: span 6;
      }

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

    @media (max-width: 991px) {
      .site-header {
        height: 64px;
      }

      .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(420px, 86vw);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        background: var(--dark-card);
        padding: 96px 28px 40px;
        gap: 10px;
        transform: translateX(110%);
        transition: transform .3s ease;
        box-shadow: -24px 0 40px rgba(0, 0, 0, .16);
        margin-left: 0;
        overflow-y: auto;
      }

      .nav-open .main-nav {
        transform: translateX(0);
      }

      .main-nav .nav-link {
        width: 100%;
        height: 50px;
        color: rgba(255, 255, 255, .85);
        font-size: 17px;
      }

      .site-header.scrolled .main-nav .nav-link {
        color: rgba(255, 255, 255, .85);
      }

      .main-nav .nav-link:hover {
        background: rgba(255, 255, 255, .12);
        color: #fff;
      }

      .site-header.scrolled .main-nav .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, .12);
      }

      .main-nav .nav-link.active {
        background: var(--lime);
        color: var(--primary-deep);
      }

      .nav-toggle {
        display: inline-flex;
      }

      .header-cta .btn-nav {
        display: none;
      }

      .site-header {
        background: rgba(6, 28, 24, .72);
      }

      .header-inner {
        gap: 16px;
      }
    }

    @media (max-width: 767px) {
      section {
        padding: 64px 0;
      }

      .venue-hero {
        min-height: 90vh;
        padding: 140px 0 60px;
        align-items: flex-end;
        background:
          linear-gradient(to bottom, rgba(6, 37, 31, .78), rgba(6, 37, 31, .52)),
          url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
      }

      .venue-hero h1 {
        font-size: 33px;
      }

      .hero-sub {
        font-size: 15px;
        margin-top: 18px;
      }

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

      .trust-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .trust-item {
        padding: 24px 14px;
        border: none;
      }

      .trust-item strong {
        font-size: 28px;
      }

      .facility-split {
        grid-template-columns: 1fr;
        gap: 36px;
      }

      .facility-visual {
        min-height: 300px;
        height: 340px;
      }

      .section-head-row {
        flex-direction: column;
        align-items: flex-start;
      }

      .venue-card-grid {
        grid-template-columns: 1fr;
      }

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

      .scene-block {
        grid-column: span 1;
        min-height: 260px;
      }

      .process-chain {
        grid-template-columns: 1fr;
        gap: 14px;
      }

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

      .faq-question {
        font-size: 15px;
        padding: 14px 16px;
      }

      .faq-answer p {
        margin: 0 16px 16px;
        padding: 0 16px 16px;
      }

      .cta-section {
        padding: 72px 0;
        background:
          linear-gradient(rgba(6, 37, 31, .84), rgba(6, 37, 31, .84)),
          url('/assets/images/backpic/back-3.png') center / cover no-repeat;
      }

      .cta-buttons .btn {
        width: 100%;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }

      .footer-bottom {
        padding: 20px 16px;
      }

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

    @media (max-width: 480px) {
      .section-title {
        font-size: 26px;
      }

      .trust-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0;
      }

      .trust-item strong {
        font-size: 24px;
      }

      .trust-item span {
        font-size: 13px;
      }

      .visual-badge {
        flex-direction: column;
        align-items: flex-start;
        padding: 12px 14px;
        gap: 6px;
      }
    }

/* roulang page: article */
:root {
  --primary: #0B3B32;
  --primary-deep: #06251F;
  --lime: #D9FF4A;
  --orange: #FF7A45;
  --bg: #F4F6F3;
  --deep-card: #0C211B;
  --text: #1A241F;
  --muted: #5A6B64;
  --border: #DCE4DE;
  --success: #2E9E68;
  --danger: #E5484D;
  --radius: 18px;
  --radius-md: 10px;
  --shadow: 0 8px 24px rgba(8, 32, 27, 0.06);
  --shadow-lg: 0 16px 44px rgba(8, 32, 27, 0.14);
  --content-max: 1200px;
  --font: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input,
textarea {
  font-family: inherit;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
figure,
blockquote {
  margin: 0;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.2;
  padding: 13px 24px;
  border: 2px solid transparent;
  text-decoration: none;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.btn-primary {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--primary-deep);
}

.btn-primary:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(11, 59, 50, 0.2);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-outline-green {
  background: transparent;
  border-color: rgba(11, 59, 50, 0.32);
  color: var(--primary);
}

.btn-outline-green:hover {
  background: rgba(11, 59, 50, 0.06);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  display: flex;
  align-items: center;
  background: rgba(6, 28, 24, 0.42);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.header-inner {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  white-space: nowrap;
  font-weight: 800;
  font-size: 21px;
  letter-spacing: 0.4px;
  color: #ffffff;
  transition: color 0.3s ease;
}

.brand::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 14px rgba(217, 255, 74, 0.8);
  transform: translateY(-1px);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: 15px;
  font-weight: 500;
  padding: 24px 2px;
  color: #ffffff;
  transition: color 0.25s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--lime);
  transition: right 0.25s ease;
}

.nav-link:hover {
  color: var(--lime);
}

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

.nav-link.active {
  color: var(--lime);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-search {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.04);
  color: #ffffff;
  transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.nav-search:hover {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(217, 255, 74, 0.08);
}

.header-cta {
  padding: 10px 18px;
  font-size: 14px;
}

.nav-toggle {
  position: relative;
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #ffffff;
}

.nav-toggle:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.site-header.scrolled {
  background: rgba(250, 252, 249, 0.94);
  border-bottom-color: rgba(11, 59, 50, 0.1);
  box-shadow: 0 8px 28px rgba(8, 32, 27, 0.08);
}

.site-header.scrolled .brand {
  color: var(--primary-deep);
}

.site-header.scrolled .nav-link {
  color: var(--primary);
}

.site-header.scrolled .nav-link:hover {
  color: var(--primary-deep);
}

.site-header.scrolled .nav-link.active {
  color: var(--primary-deep);
}

.site-header.scrolled .nav-link::after {
  background: var(--primary);
}

.site-header.scrolled .nav-search {
  border-color: rgba(11, 59, 50, 0.2);
  color: var(--primary);
  background: transparent;
}

.site-header.scrolled .nav-search:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.site-header.scrolled .nav-toggle {
  border-color: rgba(11, 59, 50, 0.24);
  color: var(--primary);
}

.drawer-scrim {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: none;
  background: rgba(4, 16, 12, 0.42);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

.search-mask {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 110px 24px 40px;
  background: rgba(3, 15, 12, 0.6);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.search-mask.open {
  opacity: 1;
  pointer-events: auto;
}

.search-dialog {
  position: relative;
  width: 100%;
  max-width: 680px;
  background: #ffffff;
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  gap: 8px;
  transform: translateY(-12px);
  transition: transform 0.25s ease;
}

.search-mask.open .search-dialog {
  transform: translateY(0);
}

.search-dialog svg {
  flex: 0 0 auto;
  margin-top: 10px;
  margin-left: 6px;
  color: var(--primary);
}

.search-dialog input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  padding: 10px 6px;
  font-size: 16px;
  color: var(--text);
  background: transparent;
}

.search-dialog input::placeholder {
  color: var(--muted);
}

.search-close {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg);
  color: var(--primary);
  transition: background 0.2s ease, color 0.2s ease;
}

.search-close:hover {
  background: var(--primary);
  color: #fff;
}

.article-hero {
  position: relative;
  min-height: 340px;
  padding: 150px 0 40px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(5, 25, 20, 0.88) 0%, rgba(11, 59, 50, 0.52) 50%, rgba(5, 25, 20, 0.86) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
}

.article-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 140px;
  background: linear-gradient(to bottom, rgba(5, 25, 20, 0), rgba(5, 25, 20, 0.42));
  pointer-events: none;
}

.article-hero-inner {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  line-height: 1.5;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.76);
  transition: color 0.2s ease;
}

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

.crumb-sep {
  opacity: 0.42;
}

.crumb-current {
  color: #ffffff;
  max-width: 640px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-main {
  position: relative;
  z-index: 3;
  padding-bottom: 96px;
}

.article-container {
  max-width: 1020px;
}

.article-panel {
  position: relative;
  margin-top: -56px;
  background: #ffffff;
  border: 1px solid rgba(11, 59, 50, 0.08);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: clamp(28px, 5vw, 60px) clamp(22px, 6vw, 68px);
}

.article-head {
  padding-bottom: 28px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.article-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(11, 59, 50, 0.08);
  border-radius: 999px;
  padding: 6px 14px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: background 0.2s ease, color 0.2s ease;
}

.article-cat:hover {
  background: var(--primary);
  color: #ffffff;
}

.article-head h1 {
  margin: 18px 0 16px;
  font-size: clamp(30px, 4vw + 14px, 46px);
  line-height: 1.3;
  letter-spacing: -0.6px;
  color: var(--primary-deep);
}

.article-lead {
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 820px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(11, 59, 50, 0.24);
}

.article-body {
  color: #24312b;
  font-size: 18px;
  line-height: 1.95;
  letter-spacing: 0.1px;
}

.article-body p {
  margin: 0 0 1.7em;
}

.article-body strong {
  color: var(--primary-deep);
}

.article-body h2 {
  margin: 2.1em 0 0.9em;
  font-size: 1.52em;
  line-height: 1.45;
  color: var(--primary-deep);
  padding-left: 14px;
  border-left: 4px solid var(--primary);
}

.article-body h3 {
  margin: 2em 0 0.8em;
  font-size: 1.2em;
  color: var(--primary);
}

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(11, 59, 50, 0.35);
  transition: text-decoration-color 0.2s ease;
}

.article-body a:hover {
  text-decoration-color: var(--primary);
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.8em;
  padding-left: 1.4em;
}

.article-body li {
  margin-bottom: 0.6em;
}

.article-body blockquote {
  position: relative;
  background: var(--bg);
  border-radius: 14px;
  padding: 20px 24px;
  margin: 2em 0;
  font-size: 17px;
  line-height: 1.9;
  color: var(--primary-deep);
  border-left: 5px solid var(--primary);
}

.article-body blockquote p {
  margin: 0;
}

.article-body img {
  width: auto;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 2.2em auto;
  box-shadow: var(--shadow);
}

.article-body hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 2.2em 0;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
  font-size: 15px;
}

.article-body th,
.article-body td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}

.article-body th {
  background: rgba(11, 59, 50, 0.06);
  color: var(--primary-deep);
  font-weight: 700;
}

.article-body td {
  background: #ffffff;
}

.article-divider {
  height: 1px;
  background: var(--border);
  margin: 48px 0 24px;
}

.article-back {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 8px;
}

.related-section {
  margin-top: 48px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.section-head h2 {
  font-size: 30px;
  line-height: 1.3;
  color: var(--primary-deep);
  letter-spacing: -0.4px;
}

.section-head p {
  color: var(--muted);
  font-size: 15px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid rgba(11, 59, 50, 0.09);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.related-card:hover {
  transform: translateY(-6px);
  border-color: rgba(11, 59, 50, 0.18);
  box-shadow: var(--shadow-lg);
}

.related-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.related-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.related-card:hover .related-media img {
  transform: scale(1.05);
}

.related-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px;
}

.related-cat {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(11, 59, 50, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.related-card h3 {
  font-size: 19px;
  line-height: 1.5;
  color: var(--primary-deep);
  margin-bottom: 10px;
  min-height: 58px;
}

.related-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin-bottom: 16px;
}

.related-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: auto;
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
}

.related-more svg {
  transition: transform 0.25s ease;
}

.related-card:hover .related-more svg {
  transform: translateX(4px);
}

.empty-post {
  background: #ffffff;
  border: 1px solid rgba(11, 59, 50, 0.08);
  border-radius: 20px;
  box-shadow: var(--shadow);
  text-align: center;
  padding: 80px 24px;
  margin-top: 32px;
}

.empty-post h1 {
  font-size: 32px;
  color: var(--primary-deep);
  margin-bottom: 16px;
}

.empty-post a {
  display: inline-flex;
  margin-top: 18px;
}

.cta-band {
  background: var(--primary-deep);
  margin-top: 60px;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  padding: clamp(30px, 5vw, 60px);
  box-shadow: var(--shadow-lg);
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(217, 255, 74, 0.08) 0%, rgba(217, 255, 74, 0) 38%),
    radial-gradient(circle at 14% 20%, rgba(217, 255, 74, 0.12) 0%, rgba(217, 255, 74, 0) 32%);
  pointer-events: none;
}

.cta-band-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.cta-band h2 {
  color: #ffffff;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.4;
  letter-spacing: -0.3px;
  max-width: 580px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.72);
  margin-top: 10px;
  font-size: 16px;
}

.cta-band .btn {
  flex: 0 0 auto;
}

.site-footer {
  background: var(--deep-card);
  color: rgba(255, 255, 255, 0.84);
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand {
  font-size: 24px;
  color: #ffffff;
  padding-left: 2px;
}

.footer-brand p {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.85;
  max-width: 360px;
}

.footer-contact {
  list-style: none;
  padding: 0;
  margin-top: 18px;
  display: grid;
  gap: 12px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact svg {
  color: var(--lime);
  opacity: 0.8;
}

.footer-block-title {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-links {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.64);
  font-size: 15px;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--lime);
  padding-left: 4px;
}

.footer-file-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 15px;
}

.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  margin-right: 9px;
  vertical-align: middle;
  opacity: 0.85;
}

.footer-bottom {
  padding-top: 24px;
  padding-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 14px;
}

@media (max-width: 991px) {
  .site-header {
    height: 64px;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1001;
    width: min(380px, 86vw);
    height: 100dvh;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 4px;
    background: var(--primary-deep);
    padding: 100px 26px 42px;
    transform: translateX(103%);
    transition: transform 0.32s ease;
    box-shadow: -18px 0 50px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
  }

  .nav-link {
    padding: 14px 4px;
    font-size: 17px;
    font-weight: 600;
    color: #ffffff;
  }

  .nav-link::after {
    bottom: 8px;
  }

  .site-header.scrolled .main-nav .nav-link,
  .main-nav .nav-link {
    color: #ffffff;
  }

  .main-nav .nav-link.active {
    color: var(--lime);
  }

  .body-nav-open .main-nav {
    transform: translateX(0);
  }

  body.nav-open {
    overflow: hidden;
  }

  body.nav-open .drawer-scrim {
    display: block;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header-inner {
    gap: 10px;
  }

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

@media (max-width: 767px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .brand {
    font-size: 18px;
  }

  .header-cta {
    padding: 8px 12px;
    font-size: 13px;
  }

  .nav-search {
    width: 36px;
    height: 36px;
  }

  .article-hero {
    min-height: 260px;
    padding-top: 100px;
  }

  .article-panel {
    margin-top: -40px;
    padding: 30px 20px;
    border-radius: 16px;
  }

  .article-head h1 {
    font-size: 28px;
  }

  .article-body {
    font-size: 17px;
  }

  .article-back {
    align-items: flex-start;
    flex-direction: column;
  }

  .related-section {
    margin-top: 34px;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .related-card h3 {
    min-height: 0;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .cta-band {
    border-radius: 16px;
    padding: 28px 22px;
  }

  .cta-band .btn {
    width: 100%;
  }

  .search-dialog {
    padding: 14px;
  }

  .search-dialog .btn {
    padding: 10px 16px;
    font-size: 14px;
  }

  .search-dialog svg {
    width: 18px;
    height: 18px;
  }

  .footer-grid {
    gap: 30px;
    padding-bottom: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    font-size: 13px;
  }
}

@media (max-width: 560px) {
  .header-inner .container {
    padding-left: 14px;
    padding-right: 14px;
  }

  .brand::after {
    width: 6px;
    height: 6px;
    margin-left: 4px;
  }

  .header-cta {
    display: none;
  }

  .drawer-scrim {
    z-index: 998;
  }

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

@media print {
  .site-header,
  .nav-toggle,
  .nav-search,
  .search-mask,
  .drawer-scrim,
  .cta-band,
  .related-section,
  .site-footer {
    display: none !important;
  }

  .article-panel {
    box-shadow: none;
    border: none;
    margin-top: 0;
  }

  .article-main {
    padding-bottom: 20px;
  }

  .article-hero {
    display: none;
  }
}

/* roulang page: category2 */
:root {
  --pine: #0B3B32;
  --pine-deep: #06251F;
  --pine-card: #0C211B;
  --accent: #D9FF4A;
  --warm: #FF7A45;
  --light-bg: #F4F6F3;
  --text: #1A241F;
  --muted: #5A6B64;
  --line: #DCE4DE;
  --success: #2E9E68;
  --white: #ffffff;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(8, 32, 27, 0.06);
  --shadow-hover: 0 14px 36px rgba(8, 32, 27, 0.12);
  --transition: all .3s ease;
  --font-stack: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background: #fff;
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

ul,
ol {
  list-style: none;
}

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

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

button,
input {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input:focus,
button:focus {
  outline: none;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 1000;
  background: var(--accent);
  color: var(--pine-deep);
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 8px;
  transition: top .3s ease;
}

.skip-link:focus {
  top: 16px;
}

.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}

.section {
  padding: 96px 0;
}

.section-tight {
  padding: 72px 0;
}

.bg-mist {
  background: var(--light-bg);
}

.bg-dark {
  background: var(--pine-deep);
  color: rgba(255, 255, 255, .92);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pine);
}

.bg-dark .eyebrow {
  color: var(--accent);
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(217, 255, 74, .16);
}

.section-head {
  max-width: 780px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: clamp(30px, 4vw, 38px);
  line-height: 1.25;
  margin-top: 14px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text);
}

.section-head p {
  color: var(--muted);
  font-size: 17px;
  margin-top: 14px;
}

.bg-dark .section-head h2 {
  color: #fff;
}

.bg-dark .section-head p {
  color: rgba(255, 255, 255, .68);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform .3s ease;
}

.btn:hover svg {
  transform: translateX(5px);
}

.btn-primary {
  background: var(--accent);
  color: var(--pine-deep);
  border-color: var(--accent);
  box-shadow: 0 6px 22px rgba(217, 255, 74, .26);
}

.btn-primary:hover {
  background: var(--pine-deep);
  color: #fff;
  border-color: var(--pine-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(8, 32, 27, .12);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .55);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255, 255, 255, .08);
  transform: translateY(-2px);
}

.btn-outline-green {
  background: transparent;
  color: var(--pine);
  border-color: rgba(11, 59, 50, .35);
}

.btn-outline-green:hover {
  border-color: var(--pine);
  background: rgba(11, 59, 50, .06);
  color: var(--pine);
  transform: translateY(-2px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(11, 59, 50, .07);
  color: var(--pine);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
}

.bg-dark .tag {
  background: rgba(217, 255, 74, .1);
  color: var(--accent);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 120;
  height: 72px;
  transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(2, 18, 15, .28), transparent);
  transition: opacity .3s ease;
  pointer-events: none;
}

.site-header .container {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: .04em;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
  z-index: 2;
  white-space: nowrap;
  line-height: 1.2;
}

.brand em {
  font-style: normal;
  color: var(--accent);
}

.brand-icon {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 999px;
  display: inline-block;
  margin-right: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  position: relative;
  z-index: 2;
}

.main-nav .nav-link {
  color: rgba(255, 255, 255, .86);
  font-size: 15px;
  font-weight: 600;
  padding: 10px 0;
  position: relative;
  transition: color .25s ease;
}

.main-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width .3s ease;
  border-radius: 99px;
}

.main-nav .nav-link:hover {
  color: #fff;
}

.main-nav .nav-link:hover::after {
  width: 100%;
}

.main-nav .nav-link.active {
  color: #fff;
}

.main-nav .nav-link.active::after {
  width: 28px;
}

.header-actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-cta {
  padding: 10px 20px;
  font-size: 14px;
}

.site-header.scrolled {
  height: 72px;
  background: rgba(250, 252, 249, .94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: rgba(11, 59, 50, .08);
  box-shadow: 0 10px 34px rgba(8, 32, 27, .12);
}

.site-header.scrolled::before {
  opacity: 0;
}

.site-header.scrolled .brand {
  color: var(--pine);
}

.site-header.scrolled .brand em {
  color: var(--pine);
}

.site-header.scrolled .main-nav .nav-link {
  color: var(--pine);
}

.site-header.scrolled .main-nav .nav-link:hover,
.site-header.scrolled .main-nav .nav-link.active {
  color: var(--pine-deep);
}

.site-header.scrolled .btn-outline-green {
  border-color: rgba(11, 59, 50, .28);
  color: var(--pine);
}

.nav-toggle {
  display: none;
}

.page-hero {
  position: relative;
  background: var(--pine-deep);
  padding: 190px 0 120px;
  color: #fff;
  overflow: hidden;
  min-height: 680px;
  display: flex;
  align-items: center;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: .52;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(270deg, rgba(6, 37, 31, .18) 0%, rgba(6, 37, 31, .65) 100%);
}

.page-hero .container {
  position: relative;
  z-index: 3;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  align-items: center;
  gap: 48px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  margin-bottom: 22px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, .84);
  transition: color .2s ease;
}

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

.breadcrumb .current {
  color: var(--accent);
}

.breadcrumb svg {
  width: 15px;
  height: 15px;
}

.page-hero h1 {
  font-size: clamp(36px, 5.4vw, 58px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -.025em;
  margin-bottom: 24px;
  color: #fff;
}

.page-hero h1 span {
  color: var(--accent);
}

.page-hero-lead {
  font-size: 18px;
  line-height: 1.9;
  max-width: 680px;
  color: rgba(255, 255, 255, .82);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.hero-aside {
  display: flex;
  justify-content: flex-end;
}

.hero-stat-card {
  width: min(320px, 100%);
  background: rgba(10, 38, 32, .58);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 24px;
  padding: 28px 26px;
  box-shadow: 0 22px 44px rgba(0, 0, 0, .2);
  color: #fff;
}

.hero-stat-card .stat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.hero-stat-card .stat-title {
  font-weight: 700;
  font-size: 14px;
  color: rgba(255, 255, 255, .88);
}

.hero-stat-card .stat-title small {
  display: block;
  color: rgba(255, 255, 255, .52);
  font-size: 12px;
  font-weight: 400;
}

.hero-stat-card .stat-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 16px;
}

.hero-stat-card strong {
  color: var(--accent);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.1;
}

.hero-stat-card span {
  color: rgba(255, 255, 255, .64);
  font-size: 13px;
  margin-top: 4px;
  display: block;
}

.scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255, 255, 255, .66);
  font-size: 12px;
  gap: 8px;
  letter-spacing: .12em;
  z-index: 4;
  transition: opacity .3s ease;
}

.scroll-hint i {
  width: 2px;
  height: 34px;
  background: rgba(255, 255, 255, .32);
  border-radius: 99px;
  position: relative;
  overflow: hidden;
}

.scroll-hint i::after {
  content: "";
  width: 2px;
  height: 10px;
  background: var(--accent);
  position: absolute;
  top: -20px;
  left: 0;
  animation: hint 1.8s infinite;
}

@keyframes hint {
  0% { transform: translateY(0); opacity: 0; }
  45% { opacity: 1; }
  100% { transform: translateY(34px); opacity: 0; }
}

.service-section {
  background: #fff;
}

.split-media {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  min-height: 360px;
  background: var(--pine);
  box-shadow: var(--shadow);
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.split-media .img-mark {
  position: absolute;
  left: 18px;
  top: 18px;
  background: rgba(6, 37, 31, .7);
  backdrop-filter: blur(12px);
  color: #fff;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .18);
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split-body h2 {
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.3;
  margin-top: 12px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -.02em;
}

.split-body .lead {
  color: var(--muted);
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.9;
}

.split-list {
  margin-top: 26px;
}

.split-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(11, 59, 50, .07);
  font-size: 15px;
  color: var(--text);
}

.split-list li:last-child {
  border-bottom: 0;
}

.split-list svg {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  color: var(--success);
}

.split-list strong {
  display: block;
  font-weight: 700;
  color: var(--pine-deep);
}

.split-list span {
  color: var(--muted);
  font-size: 14px;
  display: block;
  margin-top: 2px;
}

.service-row-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 56px;
  margin-top: 8px;
}

.service-row {
  display: flex;
  gap: 20px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  transition: padding-left .3s ease;
}

.service-row:hover {
  padding-left: 8px;
}

.service-row:last-child:nth-last-child(2),
.service-row:nth-last-child(1) {
  border-bottom: 1px solid var(--line);
}

.service-row:last-child {
  border-bottom: 1px solid var(--line);
}

.service-index {
  flex: 0 0 auto;
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--accent);
  color: var(--pine);
  font-size: 16px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(217, 255, 74, .35);
}

.service-warm .service-index {
  background: var(--warm);
  color: #fff;
  box-shadow: 0 6px 18px rgba(255, 122, 69, .26);
}

.service-row h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--pine-deep);
}

.service-row p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.mini-tag {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #eef5e8;
  color: var(--pine);
}

.case-block {
  overflow: hidden;
}

.case-card {
  border-radius: 28px;
  background: #fff;
  border: 1px solid rgba(11, 59, 50, .08);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  margin-top: 28px;
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.case-card.reverse .case-visual {
  order: 2;
}

.case-visual {
  position: relative;
  min-height: 320px;
}

.case-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6, 37, 31, .18), transparent 40%);
}

.case-content {
  padding: 36px 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-content h3 {
  font-size: 24px;
  margin: 20px 0 12px;
  line-height: 1.45;
  font-weight: 800;
  color: var(--pine-deep);
}

.case-content .case-desc {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.case-result {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  border-top: 1px solid rgba(11, 59, 50, .08);
  padding-top: 18px;
}

.case-result .result-item strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--warm);
}

.case-result .result-item span {
  color: var(--muted);
  font-size: 13px;
}

.case-cta {
  margin-top: 28px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--pine);
  font-size: 15px;
  transition: gap .25s ease;
}

.case-cta:hover {
  gap: 14px;
}

.case-cta svg {
  width: 19px;
  height: 19px;
}

.flow-zone {
  background: radial-gradient(circle at 12% 30%, rgba(217, 255, 74, .08), transparent 26%), var(--pine-deep);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.flow-zone .bg-circle {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 999px;
  border: 1px solid rgba(217, 255, 74, .08);
  top: -100px;
  right: -70px;
}

.flow-grid {
  margin-top: 46px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 28px;
  position: relative;
}

.flow-step {
  position: relative;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 20px;
  padding: 26px 22px;
  transition: background .3s ease, border-color .3s ease;
}

.flow-step:hover {
  background: rgba(217, 255, 74, .06);
  border-color: rgba(217, 255, 74, .26);
}

.flow-step .step-line {
  width: 42px;
  height: 4px;
  background: var(--accent);
  border-radius: 99px;
  margin-bottom: 28px;
}

.flow-step .step-date {
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
  display: block;
  margin-bottom: 6px;
}

.flow-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.flow-step p {
  color: rgba(255, 255, 255, .66);
  font-size: 14px;
  line-height: 1.8;
}

.flow-arrow {
  position: absolute;
  top: 50%;
  right: -25px;
  transform: translateY(-50%);
  z-index: 2;
  color: var(--accent);
  width: 20px;
  height: 20px;
}

.coverage-section {
  background: #fff;
}

.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-top: 12px;
}

.stat-item {
  padding: 36px 30px;
  text-align: center;
}

.stat-item + .stat-item {
  border-left: 1px solid var(--line);
}

.stat-item strong {
  font-size: 36px;
  font-weight: 800;
  color: var(--pine-accent, var(--pine));
  letter-spacing: -.03em;
  line-height: 1;
  display: block;
}

.stat-item strong em {
  font-style: normal;
  color: var(--warm);
}

.stat-item span {
  display: block;
  color: var(--muted);
  font-size: 15px;
  margin-top: 10px;
  font-weight: 600;
}

.faq-section {
  background: var(--light-bg);
}

.faq-wrap {
  max-width: 840px;
  margin: 52px auto 0;
}

.faq-item {
  background: #fff;
  border: 1px solid rgba(11, 59, 50, .08);
  border-radius: 18px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .3s ease, border-color .3s ease;
}

.faq-item.open {
  box-shadow: 0 10px 28px rgba(8, 32, 27, .08);
  border-left: 4px solid var(--accent);
  border-radius: 18px 8px 8px 18px;
}

.faq-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  text-align: left;
  padding: 22px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--pine-deep);
  background: transparent;
}

.faq-btn span {
  line-height: 1.5;
}

.faq-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(11, 59, 50, .14);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--pine);
  font-size: 20px;
  font-weight: 400;
  transition: transform .3s ease, background .3s ease, color .3s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(135deg);
  background: var(--pine);
  color: #fff;
  border-color: var(--pine);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}

.faq-inner {
  padding: 0 24px 22px 48px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.faq-cta {
  margin-top: 28px;
  text-align: center;
}

.cta-section {
  position: relative;
  background: var(--pine-deep);
  color: #fff;
  padding: 88px 0;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/coverpic/cover-8.png');
  background-size: cover;
  background-position: center;
  opacity: .08;
}

.cta-section::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(217, 255, 74, .16), transparent 58%);
  right: -170px;
  top: -180px;
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 40px;
  align-items: end;
}

.cta-inner h2 {
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1.2;
  font-weight: 800;
  margin: 16px 0 16px;
}

.cta-inner p {
  color: rgba(255, 255, 255, .72);
  font-size: 17px;
  max-width: 600px;
}

.cta-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: flex-end;
  align-items: center;
}

.phone-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 16px;
  padding: 16px 22px;
  color: #fff;
  min-width: 240px;
}

.phone-card small {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, .56);
  margin-bottom: 4px;
}

.phone-card strong {
  font-size: 24px;
  letter-spacing: .02em;
}

.site-footer {
  background: #08110D;
  color: rgba(255, 255, 255, .72);
  padding-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-glow {
  width: 8px;
  height: 8px;
  border-radius: 8px;
  background: var(--accent);
  display: inline-block;
  margin-right: 8px;
  box-shadow: 0 0 0 4px rgba(217, 255, 74, .16);
}

.footer-brand .footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
}

.footer-brand p {
  color: rgba(255, 255, 255, .56);
  font-size: 14px;
  line-height: 1.85;
  margin-top: 14px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255, 255, 255, .54);
  font-size: 14px;
}

.footer-contact li svg {
  margin-top: 4px;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.footer-block-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
  transition: color .25s ease, transform .25s ease;
  display: inline-flex;
  align-items: center;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-file-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-file-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.6;
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
}

.footer-file-list .dot {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--accent);
  flex: 0 0 auto;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 26px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

.footer-bottom p {
  color: rgba(255, 255, 255, .36);
  font-size: 13px;
}

@media (max-width: 1199px) {
  .main-nav {
    gap: 22px;
  }
  .main-nav .nav-link {
    font-size: 14px;
  }
  .nav-cta {
    padding: 10px 15px;
    font-size: 13px;
  }
  .flow-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 991px) {
  .brand {
    font-size: 19px;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: rgba(4, 26, 21, .98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 28px 32px;
    gap: 4px;
    box-shadow: 0 28px 46px rgba(0, 0, 0, .28);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px);
    transition: opacity .28s ease, transform .28s ease, visibility .28s;
    z-index: 100;
  }

  .main-nav .nav-link {
    width: 100%;
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  body.nav-open .main-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-toggle {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(255, 255, 255, .08);
    backdrop-filter: blur(8px);
    flex-direction: column;
    gap: 5px;
    position: relative;
    z-index: 3;
  }

  .nav-toggle span {
    width: 18px;
    height: 2px;
    border-radius: 8px;
    background: #fff;
    transition: transform .3s ease, opacity .3s ease;
  }

  .site-header.scrolled .nav-toggle {
    border-color: rgba(11, 59, 50, .16);
    background: rgba(11, 59, 50, .05);
  }

  .site-header.scrolled .nav-toggle span {
    background: var(--pine);
  }

  body.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(3.5px) rotate(45deg);
  }

  body.nav-open .nav-toggle span:nth-child(2) {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .nav-cta {
    display: none;
  }

  .page-hero {
    padding: 150px 0 95px;
    min-height: 620px;
  }

  .page-hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-aside {
    justify-content: flex-start;
  }

  .hero-stat-card {
    width: 100%;
  }

  .split-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .split-media {
    min-height: 320px;
  }

  .service-row-wrap {
    grid-template-columns: 1fr;
  }

  .case-card {
    grid-template-columns: 1fr;
  }

  .case-card.reverse .case-visual {
    order: initial;
  }

  .case-content {
    padding: 28px;
  }

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

  .flow-arrow {
    display: none;
  }

  .stats-band {
    grid-template-columns: 1fr 1fr;
  }

  .stat-item + .stat-item {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .stat-item:nth-child(3) {
    border-left: 0 !important;
  }

  .stat-item:nth-child(even) {
    border-left: 1px solid var(--line) !important;
  }

  .stat-item:nth-child(-n+2) {
    border-top: 0;
  }

  .cta-inner {
    grid-template-columns: 1fr;
  }

  .cta-contact {
    justify-content: flex-start;
  }

  .phone-card {
    min-width: 220px;
  }

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

  .hero-actions {
    gap: 12px;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 68px 0;
  }

  .container {
    padding-inline: 20px;
  }

  .site-header {
    height: 64px;
  }

  .site-header .container {
    height: 64px;
  }

  .site-header.scrolled {
    height: 64px;
  }

  .main-nav {
    top: 64px;
    padding: 22px 20px 28px;
  }

  .brand {
    font-size: 17px;
  }

  .page-hero {
    padding: 128px 0 80px;
    min-height: 540px;
  }

  .page-hero::before {
    opacity: .42;
  }

  .page-hero h1 {
    font-size: 33px;
    letter-spacing: -.02em;
  }

  .page-hero-lead {
    font-size: 16px;
    line-height: 1.8;
  }

  .btn {
    padding: 13px 19px;
    font-size: 15px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 360px;
    margin-top: 28px;
  }

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

  .hero-stat-card {
    padding: 20px;
  }

  .hero-stat-card strong {
    font-size: 22px;
  }

  .scroll-hint {
    display: none;
  }

  .section-head {
    margin-bottom: 28px;
  }

  .section-head h2 {
    font-size: 28px;
    line-height: 1.35;
    margin-top: 10px;
  }

  .split-media {
    min-height: 240px;
    border-radius: 18px;
  }

  .split-body h2 {
    font-size: 28px;
  }

  .service-row-wrap {
    gap: 8px;
  }

  .service-row {
    padding: 20px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 18px;
    margin-bottom: 12px;
    box-shadow: 0 4px 14px rgba(8,32,27,.04);
  }

  .service-row:hover {
    padding-left: 20px;
  }

  .service-index {
    width: 43px;
    height: 43px;
    font-size: 14px;
    border-radius: 12px;
  }

  .case-card {
    margin-top: 16px;
  }

  .case-visual {
    min-height: 210px;
  }

  .case-content {
    padding: 22px 20px 26px;
  }

  .case-content h3 {
    font-size: 21px;
    margin: 16px 0 10px;
  }

  .case-content .case-desc {
    font-size: 15px;
  }

  .case-result {
    gap: 18px;
  }

  .flow-zone {
    padding-top: 72px;
  }

  .flow-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 32px;
  }

  .flow-step {
    padding: 20px;
  }

  .flow-step .step-line {
    margin-bottom: 16px;
  }

  .stats-band {
    grid-template-columns: 1fr 1fr;
    border-radius: 16px;
  }

  .stat-item {
    padding: 28px 16px;
  }

  .stat-item strong {
    font-size: 30px;
  }

  .stat-item span {
    font-size: 14px;
  }

  .faq-wrap {
    margin-top: 28px;
  }

  .faq-btn {
    padding: 20px 18px;
    font-size: 15px;
  }

  .faq-inner {
    padding: 0 20px 18px 26px;
    font-size: 14px;
  }

  .faq-icon {
    width: 24px;
    height: 24px;
    flex-basis: 24px;
  }

  .cta-section {
    padding: 66px 0;
  }

  .cta-inner h2 {
    font-size: 30px;
  }

  .cta-contact {
    width: 100%;
  }

  .phone-card {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
  }

  .footer-bottom p {
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .scroll-hint i::after {
    animation: hint 1.8s infinite;
  }
}

/* roulang page: category3 */
:root{
  --primary:#0B3B32;
  --primary-dark:#06251F;
  --lime:#D9FF4A;
  --orange:#FF7A45;
  --bg:#F4F6F3;
  --deep-card:#0C211B;
  --text:#1A241F;
  --muted:#5A6B64;
  --border:#DCE4DE;
  --white:#ffffff;
  --success:#2E9E68;
  --radius-xl:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow:0 8px 24px rgba(8,32,27,.06);
  --shadow-lg:0 14px 36px rgba(8,32,27,.12);
  --container:1200px;
  --gutter:24px;
  --font:"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:#ffffff;color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid rgba(217,255,74,.75);outline-offset:2px;border-radius:4px}
.container{max-width:var(--container);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.section{padding:96px 0}
.text-center{text-align:center}
.muted{color:var(--muted)}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:120;
  height:72px;
  background:rgba(6,28,24,.45);
  border-bottom:1px solid rgba(255,255,255,.15);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease,height .3s ease;
}
.header-inner{
  height:72px;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  transition:height .3s ease;
}
.brand-logo{
  color:#fff;
  font-size:22px;
  font-weight:800;
  letter-spacing:.5px;
  display:flex;
  align-items:center;
  gap:10px;
  white-space:nowrap;
  line-height:1.2;
}
.brand-logo::before{
  content:"";
  width:10px;
  height:26px;
  border-radius:99px;
  background:var(--lime);
  transform:rotate(18deg);
  display:inline-block;
  flex:0 0 auto;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:30px;
}
.nav-link{
  position:relative;
  color:rgba(255,255,255,.9);
  font-size:15px;
  font-weight:500;
  padding:10px 2px;
  letter-spacing:.2px;
  transition:color .25s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:4px;
  height:2px;
  width:0;
  background:var(--lime);
  border-radius:99px;
  transition:width .25s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:#fff}
.nav-link.active{color:var(--lime)}
.nav-link.active::after,.nav-link:hover::after{width:100%}

.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-sm);
  padding:14px 24px;
  font-size:16px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease,background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease;
  min-height:48px;
}
.btn svg{
  flex:0 0 auto;
}
.btn-primary{
  background:var(--lime);
  color:var(--primary-dark);
  border-color:var(--lime);
  box-shadow:0 6px 16px rgba(217,255,74,.28);
}
.btn-primary:hover{
  background:var(--primary-dark);
  border-color:var(--primary-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 9px 22px rgba(8,32,27,.18);
}
.btn-outline-light{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.72);
  color:#fff;
  backdrop-filter:blur(5px);
  -webkit-backdrop-filter:blur(5px);
}
.btn-outline-light:hover{
  background:var(--lime);
  border-color:var(--lime);
  color:var(--primary-dark);
  transform:translateY(-2px);
}
.btn-outline{
  background:transparent;
  border:1px solid var(--primary);
  color:var(--primary);
}
.btn-outline:hover{
  background:var(--primary);
  color:#fff;
  transform:translateY(-2px);
}
.btn-sm{min-height:44px;padding:12px 18px;font-size:15px}
.site-header.header-scrolled{
  background:rgba(250,252,249,.94);
  border-color:rgba(11,59,50,.08);
  box-shadow:0 8px 28px rgba(8,32,27,.08);
}
.site-header.header-scrolled .brand-logo{color:var(--primary)}
.site-header.header-scrolled .nav-link{color:rgba(11,59,50,.82)}
.site-header.header-scrolled .nav-link:hover:not(.active),.site-header.header-scrolled .nav-link:focus-visible{color:var(--primary)}
.site-header.header-scrolled .nav-link.active{color:var(--primary)}
.site-header.header-scrolled .nav-link.active::after{background:var(--lime)}
.site-header.header-scrolled .nav-link::after{background:var(--lime)}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border:1px solid rgba(255,255,255,.28);
  border-radius:10px;
  background:rgba(255,255,255,.06);
}
.site-header.header-scrolled .nav-toggle{border-color:rgba(11,59,50,.2)}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:#fff;
  border-radius:99px;
  transition:transform .3s ease,opacity .3s ease,background .3s ease;
}
.site-header.header-scrolled .nav-toggle span{background:var(--primary)}
.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-open .nav-toggle span:nth-child(2){opacity:0}
.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-open .nav-toggle{
  border-color:rgba(217,255,74,.6);
}

.page-hero{
  min-height:520px;
  position:relative;
  display:flex;
  align-items:center;
  padding:168px 0 88px;
  background:
    linear-gradient(100deg,rgba(6,37,31,.95) 0%,rgba(6,37,31,.8) 38%,rgba(11,59,50,.45) 78%,rgba(6,37,31,.35) 100%),
    url('/assets/images/backpic/back-1.webp') center 38%/cover no-repeat;
  color:#fff;
  isolation:isolate;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-90px;
  bottom:-160px;
  width:380px;
  height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(217,255,74,.2),rgba(217,255,74,0) 68%);
  z-index:-1;
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s ease}
.breadcrumb a:hover{color:var(--lime)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.5px;
  color:var(--lime);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:2px;
  background:var(--lime);
  border-radius:99px;
}
.page-hero h1{
  font-size:52px;
  line-height:1.18;
  font-weight:800;
  max-width:820px;
  letter-spacing:.5px;
}
.page-hero h1 span{color:var(--lime)}
.hero-lead{
  max-width:680px;
  margin-top:24px;
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.86);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:36px;
}
.hero-note{
  margin-top:24px;
  font-size:14px;
  color:rgba(255,255,255,.6);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-note svg{width:17px;height:17px;opacity:.8}

.stats-section{
  background:var(--bg);
  padding:32px 0;
  border-bottom:1px solid var(--border);
}
.stats-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stats-item{
  padding:20px 28px;
  position:relative;
}
.stats-item + .stats-item::before{
  content:"";
  position:absolute;
  left:0;
  top:14%;
  height:72%;
  width:1px;
  background:var(--border);
}
.stats-item strong{
  display:block;
  font-size:36px;
  font-weight:800;
  line-height:1.15;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.stats-item strong em{
  font-style:normal;
  font-size:19px;
  color:var(--primary);
  margin-left:2px;
}
.stats-item span{
  display:block;
  margin-top:8px;
  color:var(--muted);
  font-size:15px;
}

.section-head{
  max-width:760px;
  margin-bottom:56px;
}
.section-head.center{
  margin-left:auto;
  margin-right:auto;
  text-align:center;
}
.section-head h2{
  font-size:36px;
  line-height:1.28;
  font-weight:700;
  color:var(--primary-dark);
  letter-spacing:-.2px;
}
.section-head p{
  margin-top:16px;
  color:var(--muted);
  font-size:16px;
}
.section-head.center .eyebrow::before{display:none}

.scenario-block{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  align-items:center;
  gap:72px;
  margin-top:72px;
}
.scenario-block.reverse .scenario-media{order:2}
.scenario-copy .sec-tag{
  display:inline-flex;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(11,59,50,.08);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
  margin-bottom:18px;
}
.scenario-copy h3{
  font-size:28px;
  line-height:1.4;
  font-weight:700;
  color:var(--primary-dark);
}
.scenario-copy > p{
  margin:18px 0 22px;
  color:var(--muted);
  line-height:1.85;
}
.scenario-features{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.scenario-features li{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:500;
}
.scenario-features li::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--orange);
  flex:0 0 auto;
}
.scenario-media{
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  position:relative;
}
.scenario-media img{
  width:100%;
  min-height:340px;
  object-fit:cover;
  aspect-ratio:4/3;
  transition:transform .8s ease;
}
.scenario-block:hover .scenario-media img{
  transform:scale(1.04);
}
.media-float{
  position:absolute;
  left:20px;
  bottom:20px;
  background:rgba(6,37,31,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  color:#fff;
  padding:12px 18px;
  border-radius:14px;
  font-size:14px;
  display:flex;
  align-items:center;
  gap:8px;
  box-shadow:0 8px 18px rgba(6,37,31,.2);
}
.media-float i{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--lime);
  display:inline-block;
}
.modes-section{background:var(--deep-card);color:#fff;position:relative;overflow:hidden}
.modes-section::before{
  content:"";
  position:absolute;
  top:-160px;
  right:-120px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(217,255,74,.12),rgba(217,255,74,0) 70%);
}
.modes-section .section-head h2{color:#fff}
.modes-section .section-head p{color:rgba(255,255,255,.68)}
.modes-section .section-head.center .eyebrow{color:var(--lime)}
.modes-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  position:relative;
}
.mode-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  border-radius:18px;
  padding:30px 26px;
  transition:transform .3s ease,border-color .3s ease,background .3s ease;
}
.mode-card:hover{
  transform:translateY(-5px);
  border-color:rgba(217,255,74,.45);
  background:rgba(255,255,255,.09);
}
.mode-num{
  font-size:40px;
  line-height:1;
  font-weight:800;
  color:rgba(217,255,74,.9);
  display:block;
  margin-bottom:22px;
  font-variant-numeric:tabular-nums;
}
.mode-card h3{
  font-size:20px;
  font-weight:700;
  margin-bottom:13px;
}
.mode-card p{
  font-size:15px;
  color:rgba(255,255,255,.7);
  line-height:1.8;
}
.mode-card .mode-tag{
  display:inline-flex;
  margin-top:18px;
  font-size:13px;
  color:var(--lime);
  background:rgba(217,255,74,.1);
  padding:6px 12px;
  border-radius:999px;
}

.process-section{
  background:var(--bg);
}
.process-steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px;
  position:relative;
}
.process-step{
  position:relative;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:30px 24px;
  box-shadow:var(--shadow);
  transition:box-shadow .3s ease,transform .3s ease;
}
.process-step:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
}
.step-num{
  font-size:44px;
  font-weight:800;
  font-style:italic;
  color:var(--lime);
  text-shadow:0 2px 0 #0B3B32;
  display:block;
  line-height:1;
}
.process-step h3{
  font-size:19px;
  margin:22px 0 10px;
  color:var(--primary-dark);
}
.process-step p{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.8;
}
.process-step::before{
  content:"";
  position:absolute;
  top:48px;
  right:-27px;
  width:28px;
  height:2px;
  background:linear-gradient(90deg,var(--primary),var(--lime));
  z-index:2;
}
.process-step:last-child::before{display:none}

.case-card{
  display:grid;
  grid-template-columns:1fr 1fr;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow);
  margin-top:40px;
  transition:box-shadow .3s ease;
}
.case-card:hover{box-shadow:var(--shadow-lg)}
.case-media{
  overflow:hidden;
  min-height:360px;
}
.case-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  min-height:360px;
  transition:transform .7s ease;
}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-copy{
  padding:36px 40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.case-tag{
  display:inline-flex;
  align-self:flex-start;
  background:rgba(11,59,50,.08);
  color:var(--primary);
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.case-copy h3{
  font-size:25px;
  line-height:1.42;
  color:var(--primary-dark);
  font-weight:700;
}
.case-copy p{
  color:var(--muted);
  line-height:1.85;
  margin-top:14px;
}
.result-list{
  display:flex;
  flex-wrap:wrap;
  gap:26px 38px;
  margin-top:24px;
  padding-top:20px;
  border-top:1px dashed var(--border);
}
.result-list li strong{
  display:block;
  font-size:25px;
  font-weight:800;
  color:var(--primary);
}
.result-list li span{
  font-size:13px;
  color:var(--muted);
}

.faq-section{background:var(--bg)}
.faq-wrap{
  max-width:860px;
  margin:0 auto;
  overflow:hidden;
  background:#fff;
  border-radius:var(--radius-xl);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.faq-item + .faq-item{border-top:1px solid var(--border)}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  cursor:pointer;
  padding:22px 28px;
  font-weight:600;
  color:var(--text);
  font-size:16.5px;
  min-height:60px;
  transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  font-size:24px;
  line-height:1;
  font-weight:300;
  color:var(--muted);
  flex:0 0 auto;
  width:30px;
  height:30px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--bg);
  transition:transform .3s ease,color .2s ease,background .2s ease;
}
.faq-item summary:hover{
  color:var(--primary);
  background:rgba(11,59,50,.02);
}
.faq-item[open] summary{color:var(--primary);border-left:3px solid var(--primary);padding-left:25px}
.faq-item[open] summary::after{
  content:"−";
  background:var(--lime);
  color:var(--primary-dark);
  transform:rotate(180deg);
}
.faq-answer{
  padding:0 30px 24px 30px;
  color:var(--muted);
  line-height:1.9;
  font-size:15px;
  max-width:780px;
}
.faq-answer p + p{margin-top:12px}
.faq-answer strong{color:var(--text)}

.cta-banner{
  position:relative;
  background:var(--primary-dark);
  color:#fff;
  padding:88px 0;
  overflow:hidden;
  isolation:isolate;
}
.cta-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(110deg,rgba(217,255,74,.08),transparent 35%),
    radial-gradient(circle at 85% 20%,rgba(217,255,74,.18),transparent 42%);
  z-index:-1;
}
.cta-banner::after{
  content:"";
  position:absolute;
  left:-120px;
  bottom:-160px;
  width:380px;
  height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.18),rgba(255,122,69,0) 70%);
  z-index:-1;
}
.cta-inner{
  max-width:820px;
}
.cta-inner h2{
  font-size:38px;
  line-height:1.35;
  font-weight:800;
}
.cta-inner p{
  color:rgba(255,255,255,.75);
  margin-top:18px;
  max-width:660px;
  font-size:16px;
  line-height:1.9;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:36px;
}

.site-footer{
  background:#06251F;
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .9fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand .brand{
  color:#fff;
  font-size:22px;
  font-weight:800;
  letter-spacing:.4px;
  margin-bottom:16px;
}
.footer-brand p{
  font-size:14.5px;
  line-height:1.9;
  max-width:340px;
}
.footer-contact{
  list-style:none;
  margin-top:20px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14.5px;
}
.footer-contact svg{
  width:16px;
  height:16px;
  color:var(--lime);
  flex:0 0 auto;
}
.footer-block-title{
  display:block;
  color:#fff;
  font-weight:600;
  font-size:16px;
  margin-bottom:22px;
  letter-spacing:.3px;
}
.footer-links li a{
  display:block;
  padding:7px 0;
  font-size:14.5px;
  color:rgba(255,255,255,.68);
  transition:color .2s ease,padding-left .25s ease;
}
.footer-links li a:hover{
  color:var(--lime);
  padding-left:4px;
}
.footer-file-list li{
  display:flex;
  align-items:center;
  gap:9px;
  padding:7px 0;
  font-size:14.5px;
  color:rgba(255,255,255,.68);
}
.footer-file-list .dot{
  width:6px;
  height:6px;
  background:var(--lime);
  border-radius:50%;
  flex:0 0 auto;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(255,255,255,.46);
}
.footer-bottom .copyright span{margin:0 6px}

@media(max-width:1199px){
  .process-steps{grid-template-columns:repeat(2,1fr);gap:20px}
  .process-step:nth-child(2)::before{display:none}
  .mode-card{padding:24px}
}
@media(max-width:991px){
  body{font-size:15px}
  .container{padding-left:20px;padding-right:20px}
  .site-header,.header-inner{height:64px}
  .header-inner{padding:0 20px}
  .header-actions .btn{display:none}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;
    top:64px;
    left:0;
    right:0;
    bottom:0;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:rgba(6,37,31,.98);
    padding:26px 32px;
    transform:translateX(100%);
    transition:transform .3s ease;
    overflow-y:auto;
    z-index:119;
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
  }
  .nav-open .main-nav{transform:translateX(0)}
  .nav-open{overflow:hidden}
  .main-nav .nav-link{
    color:#fff;
    width:100%;
    border-bottom:1px solid rgba(255,255,255,.1);
    padding:16px 2px;
    font-size:17px;
    font-weight:500;
  }
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.active{color:var(--lime)}
  .page-hero{padding:130px 0 70px;min-height:460px}
  .page-hero h1{font-size:40px}
  .section{padding:72px 0}
  .scenario-block{grid-template-columns:1fr;gap:36px;margin-top:56px}
  .scenario-block.reverse .scenario-media{order:0}
  .scenario-media img{min-height:270px}
  .modes-grid{grid-template-columns:1fr}
  .case-card{grid-template-columns:1fr}
  .case-copy{padding:30px}
  .stats-item{padding:16px}
  .stats-item strong{font-size:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px 28px;padding-bottom:36px}
}
@media(max-width:767px){
  .section{padding:64px 0}
  .section-head{margin-bottom:40px}
  .section-head h2{font-size:28px;line-height:1.35}
  .page-hero{padding:112px 0 56px;min-height:auto}
  .page-hero h1{font-size:33px;line-height:1.27}
  .eyebrow{margin-bottom:14px}
  .hero-lead{font-size:16px;margin-top:18px;line-height:1.8}
  .hero-actions{margin-top:28px;gap:12px}
  .hero-actions .btn{width:100%}
  .hero-note{margin-top:18px;flex-wrap:wrap}
  .stats-list{grid-template-columns:1fr 1fr}
  .stats-item{padding:18px 10px}
  .stats-item + .stats-item::before{display:none}
  .stats-item:nth-child(odd){border-right:1px solid var(--border)}
  .stats-item:nth-child(1),.stats-item:nth-child(2){border-bottom:1px solid var(--border)}
  .stats-item strong{font-size:26px}
  .scenario-copy h3{font-size:23px;line-height:1.5}
  .scenario-block{gap:30px;margin-top:48px}
  .scenario-media img{min-height:220px;aspect-ratio:4/3}
  .process-steps{grid-template-columns:1fr;gap:16px}
  .process-step::before{display:none}
  .mode-card{padding:24px}
  .case-media{min-height:230px}
  .case-media img{min-height:230px}
  .result-list{gap:18px}
  .case-copy{padding:24px 22px}
  .case-copy h3{font-size:21px}
  .faq-wrap{border:none;background:transparent;box-shadow:none}
  .faq-item{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden}
  .faq-item + .faq-item{margin-top:14px;border-top:1px solid var(--border)}
  .faq-item summary{padding:18px 18px;font-size:15.5px}
  .faq-item[open] summary{padding-left:15px}
  .faq-answer{padding:0 18px 20px 18px}
  .faq-answer p{font-size:14.5px}
  .cta-banner{padding:64px 0}
  .cta-inner h2{font-size:29px;line-height:1.4}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:36px;padding-bottom:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root {
  --primary: #0B3B32;
  --primary-deep: #06251F;
  --acid: #D9FF4A;
  --warm: #FF7A45;
  --bg-soft: #F4F6F3;
  --dark-card: #0C211B;
  --text-main: #1A241F;
  --text-sub: #5A6B64;
  --line: #DCE4DE;
  --white: #ffffff;
  --font-main: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
  --radius-lg: 18px;
  --radius-md: 10px;
  --shadow: 0 8px 24px rgba(8,32,27,.06);
  --shadow-hover: 0 14px 36px rgba(8,32,27,.13);
  --transition: .25s ease;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--white);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), background var(--transition), border var(--transition), box-shadow var(--transition), transform var(--transition);
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
}
button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 3px solid var(--acid);
  outline-offset: 3px;
}
body.nav-open {
  overflow: hidden;
}
.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
  margin-left: auto;
  margin-right: auto;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
  background: rgba(6, 28, 24, 0.45);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.site-header.scrolled {
  background: rgba(250, 252, 249, 0.94);
  border-bottom: 1px solid rgba(11, 59, 50, 0.08);
  box-shadow: 0 8px 24px rgba(8,32,27,0.05);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
  position: relative;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  color: #fff;
  font-weight: 800;
  font-size: 21px;
  letter-spacing: 0.01em;
  gap: 9px;
  line-height: 1.2;
  font-family: var(--font-main);
}
.site-header.scrolled .brand-logo {
  color: var(--primary-deep);
}
.brand-logo .logo-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--acid);
  flex: 0 0 9px;
  box-shadow: 0 0 0 4px rgba(217,255,74,0.18);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: auto;
  margin-left: 34px;
}
.main-nav .nav-link {
  position: relative;
  color: rgba(255,255,255,0.92);
  font-size: 15px;
  font-weight: 500;
  padding: 9px 15px;
  border-radius: 999px;
  line-height: 1.45;
  white-space: nowrap;
}
.main-nav .nav-link:hover,
.main-nav .nav-link.active {
  color: var(--acid);
  background: rgba(255,255,255,0.10);
}
.site-header.scrolled .main-nav .nav-link {
  color: rgba(6,37,31,0.8);
}
.site-header.scrolled .main-nav .nav-link:hover,
.site-header.scrolled .main-nav .nav-link.active {
  color: var(--primary);
  background: rgba(11,59,50,0.08);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.nav-search {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.15);
  transition: var(--transition);
}
.site-header.scrolled .nav-search {
  color: var(--primary);
  background: rgba(11,59,50,0.06);
  border-color: rgba(11,59,50,0.12);
}
.nav-search:hover {
  transform: translateY(-2px);
  color: var(--acid);
}
.site-header.scrolled .nav-search:hover {
  background: rgba(11,59,50,0.10);
  color: var(--primary);
}
.nav-cta {
  display: inline-flex;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  line-height: 1.2;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn svg, .btn-arrow svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  transition: transform var(--transition);
}
.btn:hover svg, .btn-arrow:hover svg {
  transform: translateX(4px);
}
.btn-primary {
  background: var(--acid);
  color: var(--primary-deep);
  box-shadow: 0 4px 16px rgba(217,255,74,0.20);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--primary-deep);
  color: #fff;
  box-shadow: 0 10px 28px rgba(6,37,31,0.18);
}
.btn-outline {
  border-color: rgba(255,255,255,0.45);
  color: #fff;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.16);
  border-color: rgba(255,255,255,0.8);
  transform: translateY(-2px);
}
.btn-primary-sm {
  background: var(--acid);
  color: var(--primary-deep);
  padding: 10px 18px;
  font-size: 14px;
  box-shadow: 0 4px 14px rgba(217,255,74,0.16);
}
.btn-primary-sm:hover {
  background: var(--primary-deep);
  color: #fff;
  transform: translateY(-2px);
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.site-header.scrolled .menu-toggle {
  border-color: rgba(11,59,50,0.18);
  background: rgba(11,59,50,0.06);
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 3px;
  background: #fff;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}
.site-header.scrolled .menu-toggle span {
  background: var(--primary);
}
body.nav-open .menu-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
body.nav-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}
body.nav-open .menu-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Page Hero */
.page-hero {
  min-height: 480px;
  display: flex;
  align-items: center;
  position: relative;
  background:
    linear-gradient(to right, rgba(3,18,15,.92), rgba(5,32,27,.78), rgba(8,42,35,.62)),
    url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  padding: 160px 0 88px;
  color: #fff;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle at center, rgba(217,255,74,0.10), transparent 65%);
  pointer-events: none;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--acid);
  text-transform: uppercase;
  background: rgba(217,255,74,0.10);
  border: 1px solid rgba(217,255,74,0.18);
  border-radius: 999px;
  padding: 7px 15px;
}
.page-hero h1 {
  font-size: 44px;
  line-height: 1.2;
  font-weight: 800;
  margin: 22px 0 16px;
  max-width: 680px;
  letter-spacing: -0.02em;
}
.page-hero .hero-lead {
  font-size: 17px;
  color: rgba(255,255,255,0.78);
  max-width: 680px;
  line-height: 1.9;
  margin: 0 0 30px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-mini-card {
  position: absolute;
  right: 60px;
  bottom: 50px;
  display: none;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  color: #fff;
  font-size: 13px;
  line-height: 1.5;
  box-shadow: 0 10px 30px rgba(0,0,0,0.16);
}
@media (min-width: 1280px) {
  .hero-mini-card {
    display: block;
  }
}
.hero-mini-card strong {
  display: block;
  font-size: 26px;
  color: var(--acid);
  margin-bottom: 2px;
}

/* Sections */
.section {
  padding: 96px 0;
}
.section-head {
  margin-bottom: 34px;
}
.section-head h2 {
  font-size: 32px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 8px 0 10px;
  color: var(--primary-deep);
}
.section-head p {
  font-size: 16px;
  color: var(--text-sub);
  max-width: 640px;
  margin: 0;
}

/* Intro / 栏目说明 */
.intro-section {
  background: var(--bg-soft);
  padding: 96px 0;
}
.intro-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
}
.intro-copy .eyebrow {
  background: rgba(11,59,50,0.08);
  border-color: rgba(11,59,50,0.10);
  color: var(--primary);
  margin-bottom: 16px;
}
.intro-copy h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1.3;
  margin: 0 0 14px;
}
.intro-copy > p {
  color: var(--text-sub);
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.95;
}
.intro-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  border-top: 1px solid var(--line);
}
.intro-points li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-top: 16px;
}
.intro-points .point-icon {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 10px;
  background: rgba(11,59,50,0.10);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.intro-points .point-text strong {
  display: block;
  font-weight: 700;
  color: var(--primary-deep);
  font-size: 15px;
}
.intro-points .point-text span {
  font-size: 14px;
  color: var(--text-sub);
}
.intro-visual {
  position: relative;
}
.intro-visual::before {
  content: "";
  position: absolute;
  inset: 20px -20px -20px 20px;
  border-radius: var(--radius-lg);
  background: var(--acid);
  z-index: 0;
  opacity: 0.35;
}
.intro-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-hover);
  object-fit: cover;
  aspect-ratio: 4/3;
}
.intro-visual-note {
  position: absolute;
  z-index: 2;
  bottom: -18px;
  left: -16px;
  background: var(--primary-deep);
  color: #fff;
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 13px;
  box-shadow: 0 12px 28px rgba(6,37,31,0.25);
  line-height: 1.5;
}
.intro-visual-note strong {
  color: var(--acid);
}

/* Topic grid */
.topics-section {
  background: #fff;
  padding: 96px 0;
}
.topic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.topic-item {
  background: #fff;
  border: 1px solid rgba(11,59,50,0.12);
  border-radius: var(--radius-lg);
  padding: 28px 30px 26px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.topic-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--acid);
  opacity: 0;
  transform: scaleY(0.3);
  transition: opacity var(--transition), transform var(--transition);
}
.topic-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: rgba(11,59,50,0.22);
}
.topic-item:hover::before {
  opacity: 1;
  transform: scaleY(1);
}
.topic-index {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--primary);
  background: rgba(217,255,74,0.7);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 15px;
}
.topic-item h3 {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-deep);
}
.topic-item p {
  margin: 0;
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.9;
}

/* Featured blocks */
.featured-section {
  background: var(--bg-soft);
  padding: 96px 0;
}
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: center;
  margin-top: 28px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(11,59,50,0.08);
  overflow: hidden;
  padding: 18px;
  box-shadow: var(--shadow);
}
.feature-block.reverse .feature-photo {
  order: 2;
}
.feature-photo {
  overflow: hidden;
  border-radius: 14px;
}
.feature-photo img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform .5s ease;
}
.feature-block:hover .feature-photo img {
  transform: scale(1.04);
}
.feature-copy {
  padding: 22px 20px 22px 12px;
}
.feature-copy.reverse-copy {
  order: 1;
}
.feature-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  background: rgba(11,59,50,0.08);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.feature-copy h3 {
  font-size: 26px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--primary-deep);
  margin: 0 0 14px;
}
.feature-copy p {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.95;
  margin: 0 0 20px;
}
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
}
.btn-text svg {
  width: 16px;
  height: 16px;
}
.btn-text:hover {
  color: var(--primary-deep);
  gap: 11px;
}

/* Metrics */
.metrics-section {
  padding: 96px 0;
  background:
    linear-gradient(to right, rgba(4,22,18,.95), rgba(6,37,31,.88)),
    url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  color: #fff;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 52px;
}
.metric-item {
  border-left: 1px solid rgba(255,255,255,0.12);
  padding-left: 20px;
}
.metric-item .metric-value {
  font-size: 38px;
  font-weight: 800;
  color: var(--acid);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: .02em;
}
.metric-item .metric-label {
  color: rgba(255,255,255,0.72);
  font-size: 14px;
  line-height: 1.6;
}
.metrics-note {
  margin-top: 38px;
  max-width: 720px;
  color: rgba(255,255,255,0.68);
  font-size: 14px;
  line-height: 1.8;
}

/* FAQ */
.faq-section {
  padding: 96px 0;
  background: #fff;
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
}
.faq-side h2 {
  font-size: 32px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--primary-deep);
  margin: 8px 0 12px;
}
.faq-side p {
  color: var(--text-sub);
  max-width: 340px;
  line-height: 1.9;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  border: 1px solid rgba(11,59,50,0.12);
  border-radius: 14px;
  background: var(--bg-soft);
  overflow: hidden;
  transition: background var(--transition), border-color var(--transition);
}
.faq-item.open {
  background: #fff;
  border-left: 4px solid var(--acid);
  box-shadow: var(--shadow);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  gap: 18px;
  font-weight: 600;
  font-size: 16px;
  color: var(--primary-deep);
}
.faq-q .faq-icon {
  position: relative;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
  background: rgba(11,59,50,0.1);
  color: var(--primary);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.faq-q .faq-icon::before,
.faq-q .faq-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 2px;
}
.faq-q .faq-icon::before {
  width: 12px;
  height: 2px;
}
.faq-q .faq-icon::after {
  width: 2px;
  height: 12px;
  transition: transform var(--transition);
}
.faq-item.open .faq-icon {
  background: var(--primary-deep);
  color: var(--acid);
  transform: rotate(180deg);
}
.faq-item.open .faq-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .25s ease;
}
.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}
.faq-answer-inner {
  overflow: hidden;
}
.faq-answer-inner p {
  margin: 0;
  padding: 0 22px 20px;
  color: var(--text-sub);
  line-height: 1.9;
  font-size: 15px;
}
/* fallback */
.faq-item .faq-answer .faq-answer-inner {
  min-height: 0;
}
.faq-item.open .faq-answer .faq-answer-inner {
  min-height: auto;
}

/* CTA */
.cta-band {
  background: var(--primary-deep);
  padding: 68px 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(217,255,74,0.08), transparent 55%);
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 44px;
  color: #fff;
  flex-wrap: wrap;
}
.cta-inner h2 {
  font-size: 30px;
  font-weight: 800;
  margin: 0 0 8px;
  color: #fff;
}
.cta-inner p {
  margin: 0;
  color: rgba(255,255,255,0.72);
  max-width: 560px;
  font-size: 15px;
  line-height: 1.85;
}
.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: #071C17;
  color: rgba(255,255,255,0.78);
  padding-top: 74px;
}
.site-footer .container {
  padding-bottom: 38px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 46px;
}
.footer-brand .brand {
  color: #fff;
  font-weight: 800;
  font-size: 22px;
  margin-bottom: 13px;
  letter-spacing: .01em;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255,255,255,0.62);
  margin: 0;
  max-width: 300px;
}
.footer-contact {
  padding: 0;
  margin: 20px 0 0;
}
.footer-contact li {
  color: rgba(255,255,255,0.68);
  font-size: 14px;
  margin-bottom: 8px;
}
.footer-contact svg {
  color: var(--acid);
  opacity: .8;
}
.footer-block-title {
  color: #fff;
  font-weight: 700;
  margin-bottom: 18px;
  font-size: 16px;
}
.footer-links,
.footer-file-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}
.footer-links li a {
  display: inline-block;
  color: rgba(255,255,255,0.62);
  font-size: 14px;
  line-height: 1.8;
}
.footer-links li a:hover {
  color: var(--acid);
  padding-left: 6px;
}
.footer-file-list li {
  color: rgba(255,255,255,0.62);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.footer-file-list .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--acid);
  flex: 0 0 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.09);
  padding: 20px 0;
  text-align: center;
  color: rgba(255,255,255,0.38);
  font-size: 13px;
}
.footer-bottom p {
  margin: 0;
}

/* Responsive */
@media (max-width: 1199px) {
  .nav-cta {
    display: none;
  }
}
@media (max-width: 1024px) {
  .section, .intro-section, .topics-section, .featured-section, .faq-section {
    padding: 76px 0;
  }
  .intro-grid,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .faq-side p {
    max-width: none;
  }
  .feature-block {
    grid-template-columns: 1fr;
  }
  .feature-block.reverse .feature-photo {
    order: 0;
  }
  .feature-block.reverse .feature-copy {
    order: 2;
  }
  .feature-copy {
    padding: 10px 14px 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 991px) {
  .menu-toggle {
    display: inline-flex;
    margin-left: 10px;
  }
  .header-inner .nav-actions {
    order: 3;
  }
  .main-nav {
    position: fixed;
    top: 72px;
    right: 0;
    width: min(400px, 92vw);
    height: calc(100vh - 72px);
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: rgba(6, 37, 31, 0.98);
    backdrop-filter: blur(16px);
    border-left: 1px solid rgba(255,255,255,0.08);
    padding: 26px 22px 60px;
    justify-content: flex-start;
    transform: translateX(105%);
    transition: transform .3s ease;
    box-shadow: -14px 0 40px rgba(0,0,0,0.24);
    margin: 0;
    overflow-y: auto;
  }
  body.nav-open .main-nav {
    transform: translateX(0);
  }
  .main-nav .nav-link {
    color: rgba(255,255,255,0.82);
    padding: 15px 16px;
    border-radius: 12px;
    font-size: 16px;
  }
  .site-header.scrolled .main-nav .nav-link {
    color: rgba(255,255,255,0.9);
  }
  .main-nav .nav-link:hover,
  .main-nav .nav-link.active {
    background: rgba(217,255,74,0.12);
    color: var(--acid);
  }
  .site-header.scrolled .main-nav .nav-link:hover,
  .site-header.scrolled .main-nav .nav-link.active {
    color: var(--acid);
    background: rgba(217,255,74,0.12);
  }
  .nav-cta {
    display: inline-flex;
  }
}
@media (max-width: 767px) {
  .site-header {
    height: 64px;
  }
  .header-inner {
    gap: 4px;
  }
  .brand-logo {
    font-size: 17px;
  }
  .main-nav {
    top: 64px;
    height: calc(100vh - 64px);
    width: 100%;
  }
  .nav-search {
    width: 38px;
    height: 38px;
  }
  .nav-cta {
    display: none;
  }
  .page-hero {
    min-height: 0;
    padding: 130px 0 62px;
  }
  .page-hero h1 {
    font-size: 33px;
  }
  .page-hero .hero-lead {
    font-size: 16px;
  }
  .section, .intro-section, .topics-section, .featured-section, .faq-section {
    padding: 64px 0;
  }
  .section-head h2,
  .intro-copy h2,
  .faq-side h2 {
    font-size: 26px;
  }
  .section-head p,
  .intro-copy > p {
    font-size: 15px;
  }
  .topic-grid {
    grid-template-columns: 1fr;
  }
  .topic-item {
    padding: 22px 22px 20px;
  }
  .feature-block {
    padding: 10px;
  }
  .feature-copy {
    padding: 12px 10px 20px;
  }
  .feature-copy h3 {
    font-size: 21px;
  }
  .feature-copy p {
    font-size: 15px;
  }
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 36px;
  }
  .metric-item .metric-value {
    font-size: 28px;
  }
  .faq-list {
    gap: 8px;
  }
  .cta-inner {
    padding: 0 4px;
    gap: 28px;
  }
  .cta-inner h2 {
    font-size: 25px;
  }
  .cta-actions .btn {
    padding: 12px 18px;
    font-size: 14px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .site-footer {
    padding-top: 56px;
  }
  .footer-bottom p {
    padding: 0 12px;
    font-size: 12px;
  }
  .intro-grid {
    gap: 38px;
  }
  .intro-visual-note {
    left: 8px;
    font-size: 12px;
    padding: 10px 12px;
  }
}