/* roulang page: index */
:root {
  --pine: #1D4A3E;
  --pine-dark: #15382F;
  --brass: #B0834A;
  --paper: #FAF8F4;
  --ink: #25322E;
  --muted: #5E6D68;
  --line: #E7E1D8;
  --shadow-sm: 0 6px 18px rgba(29, 74, 62, 0.08);
  --shadow-md: 0 14px 30px rgba(29, 74, 62, 0.12);
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

button,
input {
  font-family: inherit;
}

.fr-num {
  font-family: Georgia, "Times New Roman", serif;
}

.wrap {
  width: min(100%, 1280px);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

.section {
  padding-block: clamp(64px, 8vw, 96px);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 42px;
}

.eyebrow {
  color: var(--brass);
  font-size: 13px;
  letter-spacing: 0.12em;
  font-weight: 600;
}

.section-title {
  margin: 0;
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-desc {
  max-width: 720px;
  color: var(--muted);
  font-size: 16px;
  margin-top: 4px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--pine);
  font-weight: 600;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .2s ease;
}

.text-link:hover {
  border-color: var(--brass);
  color: var(--pine-dark);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 22px;
  border-radius: 2px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: all .15s ease;
  cursor: pointer;
}

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

.btn-primary {
  background: var(--pine);
  color: #fff;
}

.btn-primary:hover {
  background: var(--pine-dark);
  transform: translateY(-1px);
}

.btn-light {
  background: #fff;
  color: var(--pine);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.88);
}

.btn-ghost-light {
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff;
  background: transparent;
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.btn-brass {
  background: var(--brass);
  color: #23332e;
}

.btn-brass:hover {
  background: #c49761;
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

.header-shell {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}

.header-shell.is-scrolled {
  box-shadow: 0 6px 18px rgba(29, 74, 62, 0.08);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--pine);
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  font-size: 18px;
  border-radius: 10px;
  letter-spacing: -0.02em;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--pine);
  letter-spacing: -0.01em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  color: #2f3c38;
  font-size: 15px;
  font-weight: 500;
  padding: 10px 2px;
  transition: color .15s ease;
}

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

.nav-link.is-active {
  color: var(--pine);
  font-weight: 600;
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--brass);
}

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

.search-box {
  display: flex;
  align-items: center;
  width: 180px;
  height: 40px;
  border-radius: 999px;
  background: #F1EFEA;
  padding: 0 12px 0 16px;
  border: 1px solid transparent;
  transition: background .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.search-box:focus-within {
  background: #fff;
  border-color: var(--pine);
  box-shadow: 0 0 0 3px rgba(29, 74, 62, 0.08);
}

.search-box input {
  width: 100%;
  background: transparent;
  border: 0;
  outline: none;
  font-size: 14px;
  color: var(--ink);
}

.search-box svg {
  width: 17px;
  height: 17px;
  color: var(--muted);
  flex-shrink: 0;
}

.hamburger-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--pine);
}

.hamburger-btn svg {
  width: 22px;
  height: 22px;
}

.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 14px 0 20px;
}

.mobile-menu.is-open {
  display: block;
}

.mobile-menu .wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  display: block;
  padding: 12px 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid #f1ede6;
}

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

.mobile-search {
  display: flex;
  align-items: center;
  height: 42px;
  margin-top: 10px;
  background: #F1EFEA;
  border-radius: 999px;
  padding: 0 14px;
}

.mobile-search input {
  width: 100%;
  border: 0;
  background: transparent;
  outline: none;
  font-size: 15px;
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: min(720px, 92vh);
  margin-top: 72px;
  color: #fff;
  background: linear-gradient(100deg, rgba(21, 56, 47, 0.94) 0%, rgba(29, 74, 62, 0.84) 52%, rgba(20, 48, 41, 0.72) 100%), url('/assets/images/backpic/back-1.webp') center 28% / cover no-repeat;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding-block: 80px;
  max-width: 880px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 7px 14px;
  border-radius: 999px;
  color: #f1e9dc;
  font-size: 14px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 5.2vw, 62px);
  line-height: 1.12;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
}

.hero-sub {
  max-width: 720px;
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.86);
  margin: 0 0 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 46px;
}

.hero-note {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 40px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 500;
}

.hero-points li .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brass);
  flex-shrink: 0;
}

.feature-list {
  display: grid;
  gap: 0;
}

.feature-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

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

.feature-list-wrap {
  border-bottom: 1px solid var(--line);
}

.feature-list-wrap:last-child {
  border-bottom: 0;
}

.feature-num {
  font-size: 40px;
  color: var(--brass);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1;
  letter-spacing: -0.04em;
}

.feature-item h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

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

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

.guide-card {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}

.guide-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.guide-card a {
  display: block;
}

.guide-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.guide-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.guide-card:hover .guide-card-media img {
  transform: scale(1.03);
}

.guide-card-body {
  padding: 24px;
}

.guide-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
}

.guide-card-body p {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 18px;
}

.guide-icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(29, 74, 62, 0.08);
  color: var(--pine);
  border-radius: 10px;
  margin-bottom: 18px;
}

.guide-icon svg {
  width: 21px;
  height: 21px;
}

.workflow-section {
  overflow: hidden;
}

.workflow-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.workflow-media {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.workflow-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
}

.workflow-steps {
  display: grid;
  gap: 0;
}

.workflow-step {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.workflow-step:last-child {
  border-bottom: 0;
}

.workflow-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--pine);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Georgia, serif;
  font-size: 17px;
  font-weight: 700;
}

.workflow-step h3 {
  margin: 2px 0 8px;
  font-size: 20px;
  font-weight: 700;
}

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

.news-section {
  background: #fff;
  border-block: 1px solid var(--line);
}

.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.news-lead {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  overflow: hidden;
}

.news-lead-media {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.news-lead-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-lead-body {
  padding: 24px;
}

.news-lead-body .badge {
  margin-bottom: 12px;
}

.news-lead-title {
  font-size: 23px;
  line-height: 1.35;
  font-weight: 700;
  margin: 0 0 10px;
}

.news-lead-title a:hover {
  color: var(--pine);
}

.news-lead-summary {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.news-item {
  display: block;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
  transition: background-color .18s ease;
}

.news-item:hover {
  background: #fffdf9;
}

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

.news-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.45;
}

.news-item h3 a:hover {
  color: var(--pine);
}

.news-item p {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  background: rgba(29, 74, 62, 0.08);
  color: var(--pine);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  line-height: 1.4;
}

.news-empty {
  grid-column: 1 / -1;
  border: 1px dashed #d8d1c6;
  background: #fffcf7;
  color: var(--muted);
  padding: 44px 24px;
  text-align: center;
  border-radius: var(--radius);
  font-size: 15px;
}

.trust-section {
  background: var(--pine);
  color: #fff;
}

.trust-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.trust-quote {
  position: relative;
  padding-top: 26px;
}

.trust-quote::before {
  content: "“";
  position: absolute;
  top: -8px;
  left: -10px;
  font-size: 82px;
  line-height: 1;
  color: var(--brass);
  font-family: Georgia, serif;
}

.trust-quote blockquote {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.6;
  font-weight: 500;
  color: #fff;
}

.trust-source {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
}

.trust-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.trust-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.92);
  font-size: 14px;
  font-weight: 500;
}

.trust-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brass);
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  align-items: start;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color .2s ease;
}

.faq-item.is-open {
  border-color: rgba(29, 74, 62, 0.35);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: #fff;
  border: 0;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  padding: 20px 22px;
  cursor: pointer;
}

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

.faq-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--brass);
  transition: transform .25s ease;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .28s ease;
}

.faq-answer-inner {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 15px;
}

.faq-item.is-open .faq-answer {
  max-height: 300px;
}

.cta-block {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  background: var(--pine);
  color: #fff;
  padding: clamp(36px, 5vw, 64px);
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

@media (min-width: 768px) {
  .cta-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cta-copy h2 {
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.25;
  margin: 0 0 12px;
  color: #fff;
  font-weight: 700;
}

.cta-copy p {
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
  font-size: 16px;
  max-width: 620px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  flex-shrink: 0;
}

.site-footer {
  background: #17352d;
  color: rgba(255, 255, 255, 0.76);
  padding-top: 62px;
  margin-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 44px;
}

.footer-brand-text {
  margin: 18px 0 0;
  max-width: 320px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.65);
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.footer-link-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-link-list a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  transition: color .15s ease, padding-left .15s ease;
}

.footer-link-list a:hover {
  color: #fff;
  padding-left: 3px;
}

.footer-info {
  display: grid;
  gap: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
}

.footer-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 16px;
  display: grid;
  gap: 8px;
}

.footer-card .label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.52);
}

.footer-card .value {
  color: #fff;
  font-weight: 600;
  font-size: 15px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 0;
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.56);
}

.mobile-cta-bottom {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 10px 16px;
  box-shadow: 0 -8px 18px rgba(29, 74, 62, 0.06);
}

@media (max-width: 1023px) {
  .main-nav {
    gap: 20px;
  }

  .header-actions {
    margin-left: 10px;
  }

  .search-box {
    width: 150px;
  }

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

  .news-layout {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 767px) {
  .header-inner {
    height: 64px;
  }

  .logo-mark {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }

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

  .main-nav {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .hamburger-btn {
    display: inline-flex;
  }

  .hero {
    margin-top: 64px;
    min-height: auto;
    background: linear-gradient(120deg, rgba(21, 56, 47, 0.95) 0%, rgba(29, 74, 62, 0.88) 55%, rgba(21, 56, 47, 0.8) 100%), url('/assets/images/backpic/back-1.webp') center 20% / cover no-repeat;
  }

  .hero-inner {
    padding-block: 60px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero-sub {
    font-size: 17px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

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

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

  .feature-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .feature-num {
    font-size: 32px;
  }

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

  .workflow-media {
    min-height: 260px;
  }

  .faq-list {
    grid-template-columns: 1fr;
  }

  .cta-actions {
    width: 100%;
  }

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

  .site-footer {
    padding-bottom: 64px;
  }

  .mobile-cta-bottom {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    font-size: 11px;
  }

  .footer-card {
    max-width: 420px;
  }
}

/* roulang page: article */
:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --pine:#1D4A3E;
  --pine-dark:#15382F;
  --gold:#B0834A;
  --ink:#25322E;
  --muted:#5E6D68;
  --line:#E7E1D8;
  --radius:6px;
  --shadow:0 8px 26px rgba(29,74,62,.08);
  --wrap:1280px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:24px;padding-right:24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{
  box-shadow:0 6px 18px rgba(29,74,62,.09);
}
.header-bar{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-icon{
  width:38px;height:38px;border-radius:8px;
  background:var(--pine);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:Georgia,"Times New Roman",serif;
  font-size:18px;font-weight:700;letter-spacing:.5px;
}
.brand-text{
  font-size:20px;font-weight:700;color:var(--pine);
  letter-spacing:.2px;
}
.main-nav{display:flex;align-items:center;gap:8px}
.nav-link{
  position:relative;
  padding:8px 2px;
  margin:0 10px;
  font-size:15px;font-weight:500;
  color:var(--ink);
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:2px;background:var(--gold);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--pine)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--pine)}
.nav-link.is-active::after{width:100%}

.header-tools{display:flex;align-items:center;gap:12px}
.search-form{
  display:flex;align-items:center;
  background:var(--bg);
  border:1px solid transparent;
  border-radius:999px;
  height:40px;padding:0 14px;
  width:180px;
  transition:all .2s ease;
}
.search-form:focus-within{
  background:#fff;
  border-color:var(--pine);
  outline:2px solid rgba(176,131,74,.25);
}
.search-form svg{color:var(--muted);flex-shrink:0}
.search-form input{
  border:none;background:transparent;outline:none;
  width:100%;font-size:14px;color:var(--ink);
  margin-left:8px;
}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--pine);color:#fff;
  border-radius:2px;
  height:40px;padding:0 20px;
  font-size:15px;font-weight:500;line-height:1;
  transition:background .15s ease,transform .15s ease;
}
.header-cta:hover{background:var(--pine-dark)}
.header-cta:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.burger{
  display:none;background:none;border:1px solid var(--line);
  width:42px;height:42px;border-radius:6px;
  align-items:center;justify-content:center;
  cursor:pointer;
}
.mobile-menu{
  display:none;
  background:#fff;
  border-top:1px solid var(--line);
  padding:16px 24px 22px;
}
.mobile-menu .nav-link{
  display:block;margin:0;padding:12px 0;
  border-bottom:1px solid #f1eee9;
  font-size:16px;
}
.mobile-menu .header-cta{
  width:100%;justify-content:center;margin-top:16px;
}
.mobile-menu.is-open{display:block}
@media(max-width:1023px){
  .main-nav,.header-tools .search-form,.header-tools .header-cta{display:none}
  .burger{
    display:inline-flex;margin-left:auto;
  }
}

/* Article Hero */
.article-hero{
  position:relative;
  background:linear-gradient(127deg,#1d4a3e 0%,#183E34 52%,#13ternative146034 100%);
  overflow:hidden;
  padding:72px 0 84px;
}
.article-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.24;
  z-index:1;
}
.article-hero .wrap{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;
  font-size:14px;color:rgba(255,255,255,.72);
  margin-bottom:24px;
  gap:8px;
}
.breadcrumb a{color:rgba(255,255,255,.84)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .divider{color:rgba(255,255,255,.4)}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:12px 18px;
  margin-bottom:20px;
}
.meta-cat{
  background:rgba(176,131,74,.18);
  color:#E6C9A0;
  border:1px solid rgba(176,131,74,.3);
  padding:4px 14px;border-radius:999px;
  font-size:13px;
  letter-spacing:.3px;
}
.meta-item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.8);
}
.article-hero h1{
  color:#fff;
  font-size:40px;
  font-weight:700;
  line-height:1.28;
  letter-spacing:.2px;
  max-width:960px;
  margin-bottom:16px;
}
.article-desc{
  color:rgba(255,255,255,.86);
  font-size:17px;
  line-height:1.7;
  max-width:780px;
}
@media(max-width:767px){
  .article-hero{padding:48px 0 56px}
  .article-hero h1{font-size:26px}
  .article-desc{font-size:15px}
}

/* Main Content */
.article-main{padding:72px 0 100px}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:72px;
  align-items:start;
}
.article-content{width:100%;max-width:820px}
.article-body{
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
}
.article-body p{margin-bottom:1.2em;line-height:1.75}
.article-body h2{
  font-size:26px;font-weight:700;color:var(--pine);
  margin:1.8em 0 .6em;
  line-height:1.4;
}
.article-body h3{
  font-size:21px;font-weight:700;color:var(--pine);
  margin:1.5em 0 .5em;
}
.article-body h4{
  font-size:18px;font-weight:700;color:var(--pine);
  margin:1.2em 0 .4em;
}
.article-body blockquote{
  border-left:3px solid var(--gold);
  background:rgba(176,131,74,.08);
  padding:18px 22px;
  border-radius:0 6px 6px 0;
  margin:1.6em 0;
  color:#4A3B2C;
}
.article-body blockquote p{margin-bottom:0}
.article-body a{
  color:var(--pine);
  border-bottom:1px solid rgba(29,74,62,.3);
  transition:border-color .2s ease,color .2s ease;
}
.article-body a:hover{color:var(--gold);border-color:var(--gold)}
.article-body ul,.article-body ol{margin:0 0 1.2em 1.4em;padding-left:.4em}
.article-body li{margin-bottom:.35em}
.article-body img{border-radius:4px;margin:1.5em 0}
.article-body figcaption{
  font-size:13px;color:var(--muted);
  text-align:center;
  margin-top:-.8em;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px}
.article-body th{background:rgba(29,74,62,.06)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}
.article-body code{
  background:rgba(29,74,62,.08);
  color:var(--pine-dark);
  padding:2px 6px;
  border-radius:4px;
  font-size:.92em;
}

.not-found-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:56px 32px;
  text-align:center;
}
.not-found-card .nf-icon{font-size:44px;margin-bottom:16px}
.not-found-card h2{color:var(--pine);font-size:22px;margin-bottom:8px}
.not-found-card p{color:var(--muted);margin-bottom:24px}
.back-home-btn{
  display:inline-flex;
  align-items:center;gap:8px;
  background:var(--pine);color:#fff;
  padding:10px 26px;
  border-radius:2px;
  font-weight:500;
  transition:background .2s;
}
.back-home-btn:hover{background:var(--pine-dark)}

/* Related & Pager */
.article-foot{margin-top:56px;padding-top:32px;border-top:1px solid var(--line)}
.related-block .rel-title{
  font-size:18px;font-weight:700;color:var(--pine);
  margin-bottom:20px;
}
.related-list{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:12px;
}
.related-item{
  display:block;
  background:#F7F3EC;
  border:1px solid rgba(231,225,216,.7);
  border-radius:var(--radius);
  padding:18px 16px;
  transition:all .2s ease;
}
.related-item:hover{
  background:#fff;
  border-color:var(--pine);
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(29,74,62,.08);
}
.related-item .rel-name{
  font-weight:600;color:var(--ink);
  font-size:15px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-item .rel-date{
  display:block;margin-top:12px;
  font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.post-pager{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  margin-top:24px;
}
.pager-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:6px;
  padding:18px 20px;
  transition:all .2s ease;
  display:block;
}
.pager-card:hover{
  border-color:var(--pine);
  background:rgba(29,74,62,.02);
  box-shadow:0 6px 16px rgba(29,74,62,.06);
}
.pager-card .pager-text{
  display:block;font-size:13px;color:var(--muted);
  margin-bottom:6px;
}
.pager-card .pager-title{
  display:block;
  font-weight:600;
  color:var(--pine);
  line-height:1.4;
}
.pager-card.next-mode{text-align:right}
.pager-card.is-disabled{opacity:.62;pointer-events:none}
.back-channel{
  margin-top:28px;
  display:inline-flex;align-items:center;gap:10px;
  color:var(--pine);font-weight:600;font-size:15px;
  border-bottom:2px solid var(--gold);
  padding-bottom:3px;
  transition:gap .2s;
}
.back-channel:hover{gap:14px}

/* Sidebar */
.sidebar{position:sticky;top:100px}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:8px;
  padding:22px;
  margin-bottom:20px;
}
.side-card .s-title{
  font-size:16px;font-weight:700;
  color:var(--pine);
  margin-bottom:16px;
}
.sidebar-nav li{
  list-style:none;
  border-bottom:1px dashed var(--line);
}
.sidebar-nav a{
  display:block;
  padding:10px 0;
  font-size:14px;color:var(--ink);
  transition:color .15s,padding-left .15s;
}
.sidebar-nav a:hover{color:var(--pine);padding-left:5px}
.sidebar-info li{
  list-style:none;
  display:flex;align-items:center;
  font-size:14px;color:var(--muted);
  padding:8px 0;
}
.sidebar-info li svg{width:18px;height:18px;margin-right:10px;color:var(--gold);flex-shrink:0}
.side-helper{
  background:linear-gradient(150deg,var(--pine),var(--pine-dark));
  border-radius:8px;
  padding:22px;
  color:#fff;
}
.side-helper .h-name{
  font-size:16px;font-weight:700;margin-bottom:8px;
}
.side-helper p{
  font-size:14px;color:rgba(255,255,255,.85);
  line-height:1.7;margin-bottom:16px;
}
.side-helper a{
  display:inline-block;
  border:1px solid rgba(255,255,255,.55);
  border-radius:2px;
  padding:8px 16px;
  font-size:14px;
  transition:all .2s;
}
.side-helper a:hover{background:#fff;color:var(--pine)}
@media(max-width:1023px){
  .sidebar{display:none}
  .article-grid{grid-template-columns:1fr;gap:0}
}
@media(max-width:767px){
  .article-main{padding:48px 0 64px}
  .article-body{font-size:16px}
  .related-list{grid-template-columns:1fr}
}
@media(max-width:560px){
  .post-pager{grid-template-columns:1fr}
  .pager-card.next-mode{text-align:left}
}

/* Sub CTA */
.article-footer-cta{
  background:#fff;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:56px 0;
  text-align:center;
}
.article-footer-cta h2{
  font-size:26px;color:var(--pine);
  margin-bottom:12px;
}
.article-footer-cta p{
  color:var(--muted);
  margin-bottom:24px;
}
.link-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--gold);color:#1F1A12;
  font-weight:600;
  padding:12px 30px;
  border-radius:2px;
  font-size:15px;
  transition:background .2s,transform .2s;
}
.link-cta:hover{background:#c5965c;transform:translateY(-2px)}
.link-cta svg{width:16px;height:16px;transition:transform .15s}
.link-cta:hover svg{transform:translateX(4px)}

/* Footer */
.site-footer{
  background:var(--pine-dark);
  color:rgba(255,255,255,.72);
  padding:62px 0 0;
}
.site-footer .wrap{max-width:1280px}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1.2fr 1.3fr;
  gap:48px;
  padding-bottom:44px;
}
.footer-brand-text{
  margin-top:18px;
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.62);
  max-width:300px;
}
.footer-title{
  color:#fff;
  font-weight:700;
  font-size:15px;
  margin-bottom:18px;
  letter-spacing:.3px;
}
.footer-link-list{list-style:none}
.footer-link-list li{margin-bottom:10px}
.footer-link-list a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:color .15s,padding-left .15s;
}
.footer-link-list a:hover{color:var(--gold);padding-left:4px}
.footer-info{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  border-radius:6px;
  padding:14px 16px;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.footer-card .label{font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.5px}
.footer-card .value{font-size:14px;color:rgba(255,255,255,.86)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:rgba(255,255,255,.45);
}
.footer-bottom span:first-child{font-family:Georgia,"Times New Roman",serif;letter-spacing:.3px}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:559px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px;font-size:11px;align-items:flex-start}
}

/* Mobile sticky CTA */
.mobile-sticky{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;z-index:55;
  background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  align-items:center;
  justify-content:space-between;
  backdrop-filter:blur(10px);
}
.mobile-sticky span{font-size:14px;font-weight:600;color:var(--pine)}
.mobile-sticky a{
  background:var(--pine);
  color:#fff;
  border-radius:2px;
  padding:9px 22px;
  font-size:14px;
  font-weight:500;
}
.mobile-sticky a:hover{background:var(--pine-dark)}
@media(max-width:767px){
  .mobile-sticky{display:flex}
  body{padding-bottom:60px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root {
  --pine: #1D4A3E;
  --pine-dark: #15382F;
  --bronze: #B0834A;
  --paper: #FAF8F4;
  --white: #ffffff;
  --ink: #25322E;
  --sub: #5E6D68;
  --line: #E7E1D8;
  --success: #2F7D5B;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --radius-full: 999px;
  --shadow-card: 0 1px 2px rgba(29, 74, 62, 0.04), 0 8px 24px rgba(29, 74, 62, 0.05);
  --shadow-nav: 0 6px 18px rgba(29, 74, 62, 0.08);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font-family: inherit;
  font-size: 100%;
}
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 24px;
}
[id] {
  scroll-margin-top: 96px;
}
.section {
  padding-block: 96px;
}
@media (max-width: 767px) {
  .section {
    padding-block: 64px;
  }
  .container {
    padding-inline: 16px;
  }
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.2s ease;
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-nav);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--pine);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.brand-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--pine);
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-inline: 8px;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.18s ease;
  border-radius: var(--radius-md);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--bronze);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.18s ease;
}
.nav-link:hover {
  color: var(--pine);
}
.nav-link:hover::after {
  transform: scaleX(1);
}
.nav-link.is-active {
  color: var(--pine);
  font-weight: 600;
}
.nav-link.is-active::after {
  transform: scaleX(1);
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 220px;
  height: 40px;
  padding-inline: 14px;
  background: #F1EFEA;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  color: var(--sub);
  transition: background 0.18s ease, border-color 0.18s ease;
}
.search-wrap:focus-within {
  background: #fff;
  border-color: var(--pine);
}
.search-wrap svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  stroke: currentColor;
}
.search-input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 14px;
  color: var(--ink);
}
.search-input::placeholder {
  color: #8A9691;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding-inline: 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}
.btn-sm {
  height: 38px;
  padding-inline: 18px;
  font-size: 14px;
}
.btn-primary {
  background: var(--pine);
  color: #fff;
}
.btn-primary:hover {
  background: var(--pine-dark);
  box-shadow: 0 6px 18px rgba(29, 74, 62, 0.18);
}
.btn-bronze {
  background: var(--bronze);
  color: #1E261F;
}
.btn-bronze:hover {
  background: #C4975C;
  box-shadow: 0 8px 20px rgba(176, 131, 74, 0.2);
}
.btn-outline {
  background: transparent;
  border-color: var(--pine);
  color: var(--pine);
}
.btn-outline:hover {
  background: rgba(29, 74, 62, 0.06);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #F1EFEA;
  border: 0;
  padding: 9px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--pine);
  border-radius: var(--radius-full);
}
@media (max-width: 1099px) {
  .main-nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .header-cta {
    display: none;
  }
  .search-wrap {
    width: 170px;
  }
}
@media (max-width: 767px) {
  .search-wrap {
    display: none;
  }
  .brand-text {
    font-size: 18px;
  }
}
.page-hero {
  position: relative;
  padding: 74px 0 84px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  align-items: center;
  gap: 64px;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--sub);
  margin-bottom: 24px;
}
.breadcrumb a {
  transition: color 0.16s ease;
}
.breadcrumb a:hover {
  color: var(--pine);
}
.breadcrumb span[aria-current="page"] {
  color: var(--pine);
  font-weight: 600;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  background: rgba(29, 74, 62, 0.08);
  color: var(--pine);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.page-title {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.1;
  font-weight: 700;
  color: var(--pine);
  margin: 18px 0 0;
  letter-spacing: -0.03em;
}
.hero-lead {
  margin-top: 22px;
  max-width: 640px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--sub);
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 32px;
}
.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--pine);
  color: var(--ink);
}
.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--bronze);
  transform: scaleX(1);
  transform-origin: left;
  transition: transform 0.18s ease;
}
.text-link:hover {
  color: var(--pine);
}
.hero-media {
  position: relative;
}
.hero-media img {
  aspect-ratio: 5 / 3.4;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(29, 74, 62, 0.16);
}
.hero-media:before {
  content: "";
  position: absolute;
  inset: 12px -12px -12px 12px;
  border: 1px solid var(--bronze);
  border-radius: 14px;
  opacity: 0.45;
}
@media (max-width: 1023px) {
  .page-hero {
    padding: 56px 0 64px;
  }
  .page-hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .hero-lead {
    max-width: 100%;
  }
  .hero-media img {
    aspect-ratio: 16 / 8;
  }
}
.category-section {
  background: #fff;
}
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding-inline: 16px;
  border-radius: var(--radius-full);
  background: #F1EFEA;
  border: 1px solid transparent;
  font-size: 14px;
  color: var(--sub);
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}
.filter-btn:hover {
  color: var(--pine);
  border-color: rgba(29, 74, 62, 0.18);
}
.filter-btn.is-checked {
  background: var(--pine);
  color: #fff;
}
.category-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 48px;
  align-items: start;
  padding-top: 12px;
}
.insight-card {
  border-bottom: 1px solid var(--line);
}
.insight-card .insight-link {
  display: grid;
  grid-template-columns: 176px minmax(0, 1fr);
  gap: 28px;
  padding: 28px 0;
  align-items: center;
  transition: transform 0.16s ease;
}
.insight-card .insight-link:hover {
  transform: translateY(-2px);
}
.insight-thumb {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: #ECE7DE;
}
.insight-thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.insight-link:hover .insight-thumb img {
  transform: scale(1.04);
}
.insight-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-md);
  background: rgba(29, 74, 62, 0.08);
  color: var(--pine);
  font-size: 13px;
  font-weight: 600;
}
.chip-bronze {
  background: rgba(176, 131, 74, 0.12);
  color: #855A2A;
}
time {
  font-size: 13px;
  color: var(--sub);
  font-family: var(--serif);
}
.insight-content h3 {
  font-size: 20px;
  line-height: 1.45;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--pine);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.16s ease;
}
.insight-content p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--sub);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--pine);
}
.read-more .arrow {
  transition: transform 0.16s ease;
}
.insight-link:hover .read-more .arrow {
  transform: translateX(4px);
}
.side-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 18px;
}
.side-panel:first-child {
  margin-top: 0;
}
.side-panel h3 {
  font-size: 18px;
  color: var(--pine);
  margin: 0 0 18px;
  font-weight: 700;
}
.hot-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.hot-list li + li {
  border-top: 1px dashed var(--line);
}
.hot-list a {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  font-size: 14px;
  color: var(--ink);
  transition: color 0.16s ease;
}
.hot-list a em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 700;
  color: var(--bronze);
  font-size: 16px;
}
.hot-list a:hover {
  color: var(--pine);
}
.tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  border-radius: var(--radius-full);
  background: rgba(29, 74, 62, 0.06);
  color: var(--pine);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(29, 74, 62, 0.06);
  transition: background 0.16s ease, color 0.16s ease;
}
.tag-pill:hover {
  background: rgba(29, 74, 62, 0.1);
  color: var(--pine-dark);
}
.empty-state {
  text-align: center;
  padding: 56px 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-lg);
  color: var(--sub);
  font-size: 15px;
  background: #fff;
}
@media (max-width: 1023px) {
  .category-layout {
    grid-template-columns: 1fr;
  }
  .side-panel {
    margin-top: 40px;
  }
  .insight-card .insight-link {
    grid-template-columns: 130px 1fr;
    gap: 20px;
  }
}
@media (max-width: 640px) {
  .insight-card .insight-link {
    grid-template-columns: 1fr;
  }
  .insight-thumb {
    max-height: 180px;
  }
  .insight-thumb img {
    aspect-ratio: 16 / 9;
  }
}
.assure-band {
  background: var(--pine);
  color: #fff;
}
.assure-kicker {
  display: block;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #D7C4A1;
  font-weight: 600;
  text-transform: uppercase;
}
.assure-heading {
  font-size: clamp(24px, 3vw, 34px);
  color: #fff;
  margin: 10px 0 0;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.assure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 46px;
}
.assure-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: transform 0.18s ease, background 0.18s ease;
}
.assure-item:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.1);
}
.assure-item .num {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 30px;
  color: #E9C98E;
  margin-bottom: 17px;
}
.assure-item h3 {
  font-size: 19px;
  margin: 0 0 12px;
  color: #fff;
  font-weight: 700;
}
.assure-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #C5D6D0;
}
@media (max-width: 1023px) {
  .assure-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .assure-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .assure-item {
    padding: 24px;
  }
}
.faq-section {
  background: var(--paper);
}
.faq-heading {
  font-size: clamp(26px, 3vw, 38px);
  color: var(--pine);
  letter-spacing: -0.02em;
  margin: 0;
}
.faq-sub {
  color: var(--sub);
  max-width: 680px;
  margin: 16px 0 0;
  font-size: 16px;
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 46px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.18s ease;
}
.faq-item[open] {
  box-shadow: var(--shadow-card);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 23px 26px;
  font-weight: 600;
  font-size: 16px;
  color: var(--ink);
  transition: color 0.16s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--pine);
}
.faq-item[open] summary {
  color: var(--pine);
}
.faq-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(29, 74, 62, 0.06);
  color: var(--pine);
  flex-shrink: 0;
  transition: transform 0.2s ease, background 0.2s ease;
}
.faq-icon:after {
  content: "+";
  font-size: 20px;
  line-height: 1;
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: rgba(176, 131, 74, 0.12);
  color: #855A2A;
}
.faq-answer {
  padding: 0 26px 26px;
  color: var(--sub);
  font-size: 15px;
  line-height: 1.75;
}
.faq-answer p {
  margin: 0;
}
@media (max-width: 900px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
}
.cta-panel {
  background: var(--pine-dark);
  background-image: linear-gradient(120deg, #15382F 0%, #1D4A3E 100%);
  color: #fff;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 46px;
  padding: 70px 0;
}
.cta-copy h2 {
  font-size: clamp(26px, 3vw, 40px);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.cta-copy p {
  margin: 0;
  color: #C9D9D3;
  font-size: 16px;
  max-width: 680px;
}
.cta-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  flex-shrink: 0;
}
@media (max-width: 960px) {
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 54px 0;
  }
  .cta-actions {
    width: 100%;
  }
}
.site-footer {
  background: #122B24;
  color: #C2D6D0;
}
.site-footer .wrap {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding: 52px 24px 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
  gap: 44px;
  padding-bottom: 40px;
}
.footer-brand-text {
  font-size: 14px;
  line-height: 1.85;
  color: #AFC5BE;
  margin: 18px 0 0;
  max-width: 340px;
}
.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-link-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.footer-link-list a {
  color: #C2D6D0;
  font-size: 14px;
  transition: color 0.16s ease;
}
.footer-link-list a:hover {
  color: #fff;
}
.footer-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: #AFC5BE;
}
.footer-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}
.footer-card .label {
  display: block;
  font-size: 12px;
  color: #91ADA4;
}
.footer-card .value {
  display: block;
  font-size: 14px;
  color: #E4EEE9;
  margin-top: 2px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 22px 0;
  font-size: 12px;
  color: #8FA89F;
}
.footer-bottom span:first-child {
  font-family: var(--serif);
}
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}
@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 28px;
  }
  .footer-bottom {
    font-size: 11px;
    padding: 18px 0 24px;
  }
  .site-footer {
    padding-bottom: 0;
  }
}
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(360px, 86vw);
  height: 100dvh;
  background: var(--white);
  z-index: 120;
  transform: translateX(104%);
  transition: transform 0.26s ease;
  display: flex;
  flex-direction: column;
  padding: 20px;
  box-shadow: -18px 0 40px rgba(23, 42, 34, 0.18);
}
.mobile-drawer.is-open {
  transform: translateX(0);
}
.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.drawer-close {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 0;
  background: #F1EFEA;
  color: var(--pine);
  font-size: 22px;
  cursor: pointer;
}
.mobile-search {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding-inline: 14px;
  background: #F1EFEA;
  border-radius: var(--radius-full);
  margin-bottom: 22px;
  color: var(--sub);
}
.mobile-search input {
  background: transparent;
  border: 0;
  outline: 0;
  width: 100%;
  font-size: 14px;
  color: var(--ink);
}
.mobile-search svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}
.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.drawer-link {
  display: block;
  padding: 13px 14px;
  border-radius: var(--radius-md);
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  transition: background 0.16s ease, color 0.16s ease;
}
.drawer-link:hover {
  background: #F4F2ED;
  color: var(--pine);
}
.drawer-link.is-active {
  background: rgba(29, 74, 62, 0.08);
  color: var(--pine);
  font-weight: 700;
}
.drawer-cta {
  margin-top: auto;
  width: 100%;
}
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(18, 36, 28, 0.46);
  z-index: 110;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-bottom-cta {
  display: none;
}
@media (max-width: 767px) {
  .mobile-bottom-cta {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 10px;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px 12px 10px 16px;
    box-shadow: 0 10px 30px rgba(29, 74, 62, 0.14);
    max-width: 600px;
    margin-inline: auto;
  }
  .mobile-bottom-cta span {
    font-size: 13px;
    color: var(--ink);
    font-weight: 600;
  }
  .site-footer {
    padding-bottom: 68px;
  }
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
}

/* roulang page: category2 */
:root {
    --bg: #FAF8F4;
    --surface: #FFFFFF;
    --pine: #1D4A3E;
    --pine-dark: #15382F;
    --copper: #B0834A;
    --ink: #25322E;
    --muted: #5E6D68;
    --line: #E7E1D8;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;
    --container: 1280px;
    --section-space: 96px;
    --header-height: 80px;
    --shadow: 0 20px 48px rgba(29, 74, 62, 0.08);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.7;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
  }

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

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

  ul, ol {
    list-style: none;
  }

  button, input, select, textarea {
    font: inherit;
    border: none;
    outline: none;
  }

  .wrap {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding-left: clamp(20px, 4vw, 48px);
    padding-right: clamp(20px, 4vw, 48px);
  }

  .section {
    padding-top: var(--section-space);
    padding-bottom: var(--section-space);
  }

  .section-head {
    max-width: 900px;
    margin-bottom: 56px;
  }

  .section-head.is-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    max-width: 100%;
  }

  .section-head .desc {
    max-width: 560px;
    margin-top: 12px;
    color: var(--muted);
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--copper);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 16px;
  }

  .eyebrow::before {
    content: "";
    width: 24px;
    height: 2px;
    background: var(--copper);
    display: inline-block;
    border-radius: 2px;
  }

  h1, h2, h3, h4 {
    line-height: 1.25;
    color: var(--pine);
    font-weight: 700;
  }

  .section-head h2 {
    font-size: clamp(26px, 3vw, 38px);
    color: var(--pine);
  }

  .muted {
    color: var(--muted);
  }

  ::selection {
    background: rgba(176, 131, 74, 0.28);
  }

  a:focus-visible,
  button:focus-visible,
  summary:focus-visible,
  input:focus-visible {
    outline: 2px solid rgba(176, 131, 74, 0.7);
    outline-offset: 2px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 44px;
    padding: 0 22px;
    border-radius: 2px;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.18s ease;
    cursor: pointer;
  }

  .btn .arrow {
    display: inline-block;
    transition: transform 0.16s ease;
  }

  .btn:hover .arrow {
    transform: translateX(4px);
  }

  .btn-pine {
    background: var(--pine);
    color: #fff;
  }

  .btn-pine:hover {
    background: var(--pine-dark);
    color: #fff;
  }

  .btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.8);
    color: #fff;
  }

  .btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
  }

  .btn-copper {
    background: var(--copper);
    color: #1F2B26;
  }

  .btn-copper:hover {
    background: #C49864;
    color: #1F2B26;
  }

  .btn-line {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--pine);
    transition: color 0.16s ease;
  }

  .btn-line span.arrow {
    transition: transform 0.16s ease;
  }

  .btn-line:hover {
    color: var(--pine-dark);
  }

  .btn-line:hover span.arrow {
    transform: translateX(4px);
  }

  .header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    min-width: 104px;
    padding: 0 18px;
    background: var(--pine);
    color: #fff;
    border-radius: 2px;
    font-size: 14px;
    font-weight: 600;
    transition: background .18s ease, transform .18s ease;
  }

  .header-cta:hover {
    background: var(--pine-dark);
  }

  .site-header {
    background: #fff;
    border-bottom: 1px solid var(--line);
    position: relative;
    z-index: 50;
  }

  .site-header.is-scrolled {
    box-shadow: 0 6px 18px rgba(29, 74, 62, 0.08);
  }

  .header-inner {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
  }

  .logo-ng {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--pine);
    color: #fff;
    font-weight: 800;
    font-size: 17px;
    border-radius: 9px;
    letter-spacing: 0.02em;
    box-shadow: 0 6px 16px rgba(29, 74, 62, 0.18);
  }

  .brand-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--pine);
    letter-spacing: -0.01em;
    white-space: nowrap;
  }

  .main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex: 1;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 18px;
    border-radius: 2px;
    font-size: 15px;
    font-weight: 500;
    color: #25322E;
    position: relative;
    transition: color 0.18s ease, background 0.18s ease;
  }

  .nav-link:hover {
    color: var(--pine);
    background: rgba(29, 74, 62, 0.06);
  }

  .nav-link.is-active {
    color: var(--pine);
    font-weight: 600;
    background: rgba(29, 74, 62, 0.06);
  }

  .nav-link.is-active::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 4px;
    height: 2px;
    border-radius: 2px;
    background: var(--copper);
  }

  .header-tools {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 11px;
  }

  .search-wrap {
    position: relative;
    flex: 0 0 auto;
  }

  .search-form input {
    height: 40px;
    width: 188px;
    border-radius: 999px;
    background: #F1EFEA;
    border: 1px solid transparent;
    padding: 0 42px 0 16px;
    font-size: 14px;
    color: var(--ink);
    transition: all .18s ease;
  }

  .search-form input:focus {
    background: #fff;
    border-color: rgba(29, 74, 62, .35);
    box-shadow: 0 0 0 3px rgba(29, 74, 62, .08);
    width: 220px;
  }

  .search-form svg {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 17px;
    height: 17px;
    color: var(--muted);
    pointer-events: none;
  }

  .menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 2px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--line);
    color: var(--pine);
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
  }

  .mobile-panel {
    display: none;
  }

  .hero-guide {
    position: relative;
    background: var(--pine);
    background-image: linear-gradient(105deg, rgba(16, 45, 38, 0.96) 0%, rgba(29, 74, 62, 0.88) 54%, rgba(38, 83, 70, 0.62) 100%), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    color: #fff;
    overflow: hidden;
    padding: 88px 0 80px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(255,255,255,.12);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    color: #F7F1E8;
    margin-bottom: 28px;
    backdrop-filter: blur(6px);
  }

  .hero-tag::before {
    content: "";
    width: 7px;
    height: 7px;
    background: var(--copper);
    border-radius: 50%;
  }

  .hero-copy h1 {
    color: #fff;
    font-size: clamp(42px, 6vw, 66px);
    line-height: 1.1;
    letter-spacing: 0.02em;
  }

  .hero-copy .lead {
    margin-top: 26px;
    font-size: 17px;
    line-height: 1.9;
    color: rgba(255,255,255,.84);
    max-width: 640px;
    font-weight: 400;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
  }

  .hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 40px;
  }

  .hero-stats span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,.78);
    background: rgba(255,255,255,.10);
    padding: 7px 14px;
    border-radius: 999px;
    line-height: 1.4;
  }

  .hero-stats svg {
    width: 15px;
    height: 15px;
    color: #D6B988;
    flex: 0 0 auto;
  }

  .intro-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: end;
  }

  .intro-card {
    background: #fff;
    border: 1px solid var(--line);
    border-left: 3px solid var(--copper);
    border-radius: 6px;
    padding: 36px;
    box-shadow: 0 10px 30px rgba(29,74,62,.04);
  }

  .intro-card p {
    color: var(--muted);
    font-size: 16px;
  }

  .intro-note {
    border-top: 1px solid var(--line);
    margin-top: 52px;
    padding-top: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 18px 34px;
  }

  .intro-note span {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--muted);
    font-size: 15px;
  }

  .intro-note svg {
    width: 17px;
    height: 17px;
    color: var(--pine);
    flex: 0 0 auto;
  }

  .service-stack {
    margin-top: 12px;
  }

  .service-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 84px);
    align-items: center;
    padding: 46px 0;
    border-bottom: 1px solid var(--line);
  }

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

  .service-row:nth-child(even) .service-media {
    order: -1;
  }

  .service-index {
    display: block;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 76px;
    line-height: 0.9;
    color: rgba(176, 131, 74, 0.46);
    margin-bottom: 18px;
    font-weight: 400;
  }

  .service-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--pine);
    letter-spacing: .08em;
    margin-bottom: 10px;
    background: rgba(29, 74, 62, 0.08);
    padding: 3px 10px;
    border-radius: 4px;
  }

  .service-text h3 {
    font-size: clamp(24px, 2.6vw, 36px);
    color: var(--pine);
    margin-bottom: 14px;
  }

  .service-text p {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.85;
    max-width: 86%;
    margin-bottom: 24px;
  }

  .service-points {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
  }

  .service-points li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
    color: #3A4A45;
  }

  .service-points li::before {
    content: "";
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    margin-top: 3px;
    border-radius: 50%;
    background: rgba(29, 74, 62, 0.10);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%231D4A3E' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 10.5l3.6 3.6L16 6.7'/%3E%3C/svg%3E");
    background-size: 11px 11px;
    background-position: center;
    background-repeat: no-repeat;
  }

  .service-media {
    position: relative;
  }

  .service-media .media-frame {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #eceded;
    border-radius: 6px;
    box-shadow: var(--shadow);
  }

  .service-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
  }

  .service-row:hover .service-media img {
    transform: scale(1.02);
  }

  .service-media .media-caption {
    margin-top: 12px;
    color: var(--muted);
    font-size: 13px;
  }

  .process-vwrap {
    display: grid;
    grid-template-columns: 1fr 0.95fr;
    gap: 54px;
    align-items: center;
  }

  .process-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 12px;
  }

  .process-item {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 14px;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
    transition: background 0.16s ease;
  }

  .process-item:last-child {
    border-bottom: none;
  }

  .process-item .num {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 32px;
    color: var(--copper);
    line-height: 1;
    padding-top: 4px;
  }

  .process-item h3 {
    font-size: 18px;
    color: var(--pine);
    margin-bottom: 8px;
  }

  .process-item p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.75;
  }

  .process-preview {
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    box-shadow: var(--shadow);
  }

  .process-preview img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }

  .process-preview .preview-note {
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background: rgba(23, 64, 53, 0.82);
    color: #fff;
    padding: 14px 18px;
    border-radius: 6px;
    backdrop-filter: blur(6px);
    font-size: 14px;
    line-height: 1.7;
  }

  .preview-note strong {
    color: #E6C596;
  }

  .faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-top: 48px;
  }

  details.faq-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 6px;
    overflow: hidden;
    transition: border-color .18s ease, box-shadow .18s ease;
  }

  details.faq-card[open] {
    border-color: rgba(29, 74, 62, 0.3);
    box-shadow: 0 14px 36px rgba(29, 74, 62, 0.06);
  }

  .faq-card summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 62px;
    padding: 16px 20px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    transition: color .16s ease;
    list-style: none;
  }

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

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

  .faq-card summary::after {
    content: "+";
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    color: var(--copper);
    font-size: 22px;
    font-weight: 400;
    line-height: 1;
    background: rgba(176, 131, 74, 0.12);
    border-radius: 50%;
    transition: transform .2s ease, background .2s ease;
  }

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

  .faq-card[open] summary::after {
    content: "−";
    background: rgba(29, 74, 62, 0.12);
    color: var(--pine);
  }

  .faq-answer {
    padding: 0 20px 20px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
    max-width: 620px;
  }

  .cta-section {
    background: transparent;
    padding-top: 8px;
  }

  .cta-panel {
    background: linear-gradient(115deg, rgba(16, 45, 38, 0.96) 0%, rgba(29, 74, 62, 0.88) 60%, rgba(48, 98, 78, 0.80) 100%), url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
    border-radius: 6px;
    color: #fff;
    padding: clamp(44px, 6vw, 76px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    box-shadow: 0 26px 64px rgba(29, 74, 62, .20);
  }

  .cta-copy h2 {
    color: #fff;
    font-size: clamp(26px, 3.4vw, 40px);
    line-height: 1.25;
  }

  .cta-copy .cta-lead {
    margin-top: 16px;
    color: rgba(255,255,255,.82);
    max-width: 560px;
    font-size: 16px;
    line-height: 1.85;
  }

  .cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    flex-shrink: 0;
  }

  .site-footer {
    background: var(--pine);
    color: rgba(255,255,255,.80);
    margin-top: 96px;
  }

  .site-footer .wrap {
    padding-top: 64px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
    gap: 44px;
    padding-bottom: 48px;
  }

  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    font-weight: 800;
    font-size: 14px;
  }

  .footer-brand-text {
    margin-top: 18px;
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,.68);
    max-width: 320px;
  }

  .footer-title {
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 20px;
    letter-spacing: .04em;
  }

  .footer-link-list {
    display: grid;
    gap: 12px;
  }

  .footer-link-list a {
    font-size: 14px;
    color: rgba(255,255,255,.70);
    transition: color .15s ease;
  }

  .footer-link-list a:hover {
    color: #F5E1C2;
  }

  .footer-info {
    display: grid;
    gap: 10px;
    font-size: 14px;
    color: rgba(255,255,255,.64);
    line-height: 1.6;
  }

  .footer-card {
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 6px;
    padding: 14px 16px;
    font-size: 13px;
    line-height: 1.7;
  }

  .footer-card .label {
    display: block;
    color: rgba(255,255,255,.52);
    font-size: 12px;
    margin-bottom: 3px;
  }

  .footer-card .value {
    color: rgba(255,255,255,.82);
    font-size: 14px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.13);
    padding: 20px 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,.52);
  }

  @media (max-width: 1100px) {
    .search-form input {
      width: 120px;
    }

    .search-form input:focus {
      width: 150px;
    }

    .main-nav .nav-link {
      padding: 0 10px;
      font-size: 14px;
    }
  }

  @media (max-width: 1024px) {
    :root {
      --section-space: 72px;
    }

    .main-nav,
    .header-tools {
      display: none;
    }

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

    .mobile-panel {
      display: block;
      max-height: 0;
      overflow: hidden;
      background: #fff;
      transition: max-height .28s ease;
      border-top: 1px solid transparent;
      visibility: hidden;
    }

    .mobile-panel.open {
      max-height: 560px;
      border-top-color: var(--line);
      visibility: visible;
    }

    .mobile-panel .mobile-nav {
      padding: 18px 0 8px;
      display: grid;
      gap: 4px;
    }

    .mobile-panel .mobile-nav a {
      display: block;
      padding: 12px 4px;
      font-size: 16px;
      font-weight: 600;
      color: var(--pine);
      border-radius: 4px;
      transition: background .15s ease;
    }

    .mobile-panel .mobile-nav a:hover,
    .mobile-panel .mobile-nav a.is-active {
      background: rgba(29, 74, 62, 0.06);
    }

    .mobile-panel .mobile-search {
      padding: 12px 0;
      border-bottom: 1px solid var(--line);
    }

    .mobile-panel .mobile-search input {
      width: 100%;
      height: 42px;
      border-radius: 4px;
      background: #F1EFEA;
      padding: 0 14px;
      border: 1px solid transparent;
      color: var(--ink);
    }

    .mobile-panel .mobile-cta {
      display: inline-flex;
      margin: 18px 0;
      background: var(--pine);
      color: #fff;
      justify-content: center;
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }
  }

  @media (max-width: 860px) {
    .intro-grid,
    .process-vwrap {
      grid-template-columns: 1fr;
    }

    .service-row {
      grid-template-columns: 1fr;
      gap: 30px;
      padding-top: 40px;
      padding-bottom: 46px;
    }

    .service-row:nth-child(even) .service-media {
      order: 0;
    }

    .service-text p {
      max-width: 100%;
    }
  }

  @media (max-width: 767px) {
    :root {
      --section-space: 64px;
    }

    .header-inner {
      gap: 12px;
    }

    .logo-ng {
      width: 34px;
      height: 34px;
      font-size: 15px;
    }

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

    .hero-guide {
      padding: 64px 0 58px;
    }

    .hero-copy h1 {
      font-size: 38px;
    }

    .hero-copy .lead {
      font-size: 16px;
    }

    .hero-actions .btn {
      flex: 1 1 auto;
    }

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

    .cta-panel {
      flex-direction: column;
      align-items: flex-start;
      padding: 36px 28px;
    }

    .cta-actions {
      width: 100%;
    }

    .cta-actions .btn {
      flex: 1 1 100%;
    }

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

    .site-footer .wrap {
      padding-top: 48px;
    }

    .footer-bottom {
      font-size: 11px;
      flex-direction: column;
      align-items: flex-start;
      padding-bottom: 18px;
    }
  }

  @media (max-width: 520px) {
    .hero-stats {
      gap: 8px;
    }

    .hero-stats span {
      width: 100%;
      border-radius: 4px;
    }

    .hero-actions {
      flex-direction: column;
    }

    .section-head.is-row {
      flex-direction: column;
      align-items: flex-start;
      gap: 14px;
    }

    .service-index {
      font-size: 62px;
    }

    .service-text p {
      font-size: 15px;
    }

    .process-item {
      grid-template-columns: 44px 1fr;
    }

    .process-item .num {
      font-size: 25px;
    }
  }

/* roulang page: category3 */
:root {
    --paper: #FAF8F4;
    --white: #FFFFFF;
    --pine: #1D4A3E;
    --pine-deep: #15382F;
    --copper: #B0834A;
    --ink: #25322E;
    --muted: #5E6D68;
    --line: #E7E1D8;
    --success: #2F7D5B;
    --radius-btn: 2px;
    --radius-input: 4px;
    --radius-card: 6px;
    --radius-badge: 999px;
    --shadow-soft: 0 8px 28px rgba(29,74,62,.07);
    --shadow-hover: 0 14px 32px rgba(29,74,62,.10);
  }

  * {
    box-sizing: border-box;
  }

  html,
  body {
    margin: 0;
    padding: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    line-height: 1.6;
    scroll-behavior: smooth;
  }

  body {
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  .wrap {
    width: min(1280px, 100% - 48px);
    margin-inline: auto;
  }

  .wrap-narrow {
    width: min(1080px, 100% - 48px);
    margin-inline: auto;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .25s ease, background .25s ease;
  }

  .site-header.is-scrolled {
    box-shadow: 0 8px 22px rgba(29, 74, 62, .08);
    background: #fff;
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: 28px;
  }

  .nav-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }

  .brand-figure {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--pine);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 17px;
    font-weight: 800;
    letter-spacing: -0.02em;
  }

  .brand-text {
    font-size: 21px;
    font-weight: 800;
    color: var(--pine);
    letter-spacing: .02em;
    line-height: 1.2;
    white-space: nowrap;
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-inline: auto;
  }

  .nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    padding: 10px 0;
    transition: color .2s ease;
  }

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

  .nav-link.is-active {
    color: var(--pine);
    font-weight: 700;
  }

  .nav-link.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--copper);
  }

  .header-tools {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
  }

  .header-search {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #F1EFEA;
    border-radius: 999px;
    height: 40px;
    padding: 0 14px;
    width: 180px;
    transition: background .2s ease, box-shadow .2s ease;
  }

  .header-search:focus-within {
    background: #fff;
    box-shadow: 0 0 0 1px var(--pine);
  }

  .header-search svg {
    width: 16px;
    height: 16px;
    color: var(--muted);
    flex: none;
  }

  .header-search input {
    border: 0;
    background: transparent;
    width: 100%;
    outline: none;
    font-size: 13px;
    color: var(--ink);
  }

  .header-search input::placeholder {
    color: #8B9993;
  }

  .header-cta {
    margin-left: 4px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease, box-shadow .2s ease;
  }

  .btn-primary {
    background: var(--pine);
    color: #fff;
    height: 46px;
    padding: 0 26px;
  }

  .btn-primary:hover {
    background: var(--pine-deep);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 10px 18px rgba(29, 74, 62, .18);
  }

  .btn-primary:focus-visible,
  .btn-ghost:focus-visible,
  .btn-copper:focus-visible {
    outline: 2px solid var(--copper);
    outline-offset: 3px;
  }

  .btn-sm {
    height: 40px;
    padding: 0 18px;
    font-size: 14px;
  }

  .btn-ghost {
    background: transparent;
    border: 1px solid var(--pine);
    color: var(--pine);
    height: 44px;
    padding: 0 24px;
  }

  .btn-ghost:hover {
    background: var(--pine);
    color: #fff;
  }

  .btn-copper {
    background: var(--copper);
    color: var(--pine-deep);
    height: 48px;
    padding: 0 30px;
    font-weight: 700;
  }

  .btn-copper:hover {
    background: #C39761;
    transform: translateY(-1px);
    box-shadow: 0 12px 22px rgba(176, 131, 74, .25);
  }

  .menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 0;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    place-items: center;
  }

  .menu-toggle:hover {
    background: #F0EEE9;
  }

  .menu-toggle svg {
    width: 24px;
    height: 24px;
  }

  .mobile-panel {
    display: none;
    border-top: 1px solid var(--line);
    background: #fff;
    padding: 18px 22px 26px;
  }

  .mobile-panel.open {
    display: block;
  }

  .mobile-panel .mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .mobile-panel .mobile-nav a {
    padding: 13px 4px;
    font-size: 16px;
    border-radius: 4px;
    color: var(--ink);
  }

  .mobile-panel .mobile-nav a:hover {
    background: #F4F1EC;
    color: var(--pine);
  }

  .mobile-panel .mobile-nav a.is-active {
    color: var(--pine);
    font-weight: 700;
  }

  .mobile-panel .mobile-search {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #F1EFEA;
    border-radius: 999px;
    padding: 0 16px;
    height: 42px;
    margin-top: 18px;
  }

  .mobile-panel .mobile-search input {
    border: 0;
    background: transparent;
    outline: none;
    width: 100%;
    font-size: 15px;
  }

  .page-category-3 {
    overflow-x: hidden;
  }

  /* breadcrumb */
  .crumb-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--muted);
    padding: 28px 0 0;
  }

  .crumb-line a {
    transition: color .2s ease;
  }

  .crumb-line a:hover {
    color: var(--pine);
  }

  .crumb-line .sep {
    color: #B3BDB8;
  }

  .crumb-line .current {
    color: var(--pine);
    font-weight: 600;
  }

  /* page hero */
  .cat3-hero {
    padding: 60px 0 84px;
    background: linear-gradient(180deg, #fff 0%, var(--paper) 100%);
    border-bottom: 1px solid #F0EBE3;
  }

  .cat3-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
    gap: 64px;
    align-items: center;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: .14em;
    font-weight: 700;
    color: var(--copper);
    margin-bottom: 18px;
    text-transform: uppercase;
  }

  .eyebrow::before {
    content: "";
    width: 26px;
    height: 1px;
    background: var(--copper);
  }

  .page-title {
    font-size: clamp(36px, 5vw, 56px);
    line-height: 1.12;
    color: var(--pine);
    font-weight: 800;
    margin: 0 0 18px;
    letter-spacing: .02em;
  }

  .page-lead {
    font-size: 17px;
    line-height: 1.8;
    color: var(--muted);
    max-width: 560px;
    margin: 0 0 28px;
  }

  .hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--pine);
    font-weight: 600;
    font-size: 15px;
    border-bottom: 1px solid transparent;
    transition: border-color .2s ease;
  }

  .text-link:hover {
    border-color: var(--copper);
  }

  .hero-visual {
    position: relative;
  }

  .hero-visual img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 22px 42px rgba(29, 74, 62, .15);
  }

  .hero-note {
    position: absolute;
    left: -28px;
    bottom: 24px;
    background: var(--pine);
    color: #fff;
    padding: 14px 18px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.45;
    box-shadow: 0 16px 24px rgba(29, 74, 62, .24);
    max-width: 220px;
  }

  .hero-note strong {
    color: #E4C49C;
    font-weight: 700;
    display: block;
    margin-bottom: 2px;
  }

  /* section */
  .section {
    padding-block: 96px;
  }

  .section-bg-white {
    background: #fff;
  }

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

  .section-head {
    max-width: 720px;
    margin-bottom: 48px;
  }

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

  .section-label {
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .12em;
    color: var(--copper);
    margin-bottom: 12px;
  }

  .section-title {
    font-size: clamp(28px, 3.6vw, 38px);
    color: var(--pine);
    line-height: 1.25;
    font-weight: 800;
    margin: 0 0 14px;
  }

  .section-desc {
    font-size: 16px;
    color: var(--muted);
    line-height: 1.75;
    margin: 0;
  }

  /* intro cards */
  .channel-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .channel-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    padding: 28px 24px;
    transition: transform .2s ease, box-shadow .2s ease;
  }

  .channel-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
  }

  .channel-card .card-index {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 32px;
    line-height: 1;
    color: var(--copper);
    font-style: italic;
    display: block;
    margin-bottom: 18px;
  }

  .channel-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 8px;
  }

  .channel-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.65;
    margin: 0;
  }

  .link-mark {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--pine);
    transition: gap .2s ease;
  }

  .channel-card:hover .link-mark {
    gap: 8px;
  }

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

  .scenario-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-radius: 6px;
    transition: box-shadow .2s ease, transform .2s ease;
  }

  .scenario-card:hover {
    box-shadow: var(--shadow-soft);
    transform: translateY(-2px);
  }

  .scenario-icon {
    width: 42px;
    height: 42px;
    flex: none;
    border-radius: 12px;
    background: rgba(29, 74, 62, .08);
    color: var(--pine);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    font-weight: 700;
  }

  .scenario-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 6px;
    color: var(--ink);
  }

  .scenario-card p {
    margin: 0;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
  }

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

  .timeline-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, .8fr);
    gap: 56px;
    align-items: start;
  }

  .timeline-list {
    position: relative;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .timeline-list::before {
    content: "";
    position: absolute;
    left: 17px;
    top: 4px;
    bottom: 4px;
    width: 1px;
    background: #D8E0DB;
  }

  .timeline-item {
    position: relative;
    padding-left: 60px;
    padding-bottom: 42px;
  }

  .timeline-item:last-child {
    padding-bottom: 0;
  }

  .timeline-num {
    position: absolute;
    left: 0;
    top: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--pine);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    font-family: Georgia, "Times New Roman", serif;
  }

  .timeline-phase {
    font-size: 13px;
    color: var(--copper);
    font-weight: 700;
    display: block;
    margin-bottom: 6px;
  }

  .timeline-item h3 {
    font-size: 19px;
    color: var(--pine);
    margin: 0 0 8px;
    font-weight: 700;
  }

  .timeline-item p {
    margin: 0;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.75;
    max-width: 580px;
  }

  .timeline-photo {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
  }

  .timeline-photo img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }

  .timeline-quote {
    background: var(--pine);
    color: #fff;
    padding: 22px 22px;
    border-radius: 0 0 8px 8px;
    font-size: 14px;
    line-height: 1.75;
  }

  .timeline-quote strong {
    color: #E2C39B;
  }

  /* role cards */
  .role-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .role-card {
    background: #F8F5EF;
    border: 1px solid var(--line);
    border-radius: 8px;
    text-align: center;
    padding: 26px 16px 22px;
    transition: background .2s ease, transform .2s ease;
  }

  .role-card:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
  }

  .role-avatar {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    margin: 0 auto 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #E7EEEA;
    color: var(--pine);
    font-size: 18px;
    font-weight: 700;
  }

  .role-card h3 {
    font-size: 15px;
    color: var(--ink);
    margin: 0 0 6px;
    font-weight: 700;
  }

  .role-card p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
    margin: 0;
  }

  /* faq */
  .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    align-items: start;
  }

  .faq-item {
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 6px;
    transition: box-shadow .2s ease;
  }

  .faq-item:hover {
    box-shadow: var(--shadow-soft);
  }

  .faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 22px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.5;
  }

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

  .faq-item summary::after {
    content: "+";
    font-size: 22px;
    font-weight: 400;
    color: var(--copper);
    line-height: 1;
    margin-top: 2px;
    transition: transform .2s ease;
  }

  .faq-item[open] summary {
    font-weight: 700;
  }

  .faq-item[open] summary::after {
    transform: rotate(45deg);
  }

  .faq-answer {
    padding: 0 22px 20px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.75;
  }

  /* contact */
  .contact-section {
    background: var(--paper);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .contact-grid {
    display: grid;
    grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr);
    gap: 56px;
    align-items: start;
  }

  .contact-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--pine);
    margin-bottom: 20px;
  }

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

  .contact-list li {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 15px;
    line-height: 1.65;
    color: var(--ink);
  }

  .contact-list svg {
    width: 20px;
    height: 20px;
    flex: none;
    margin-top: 3px;
    color: var(--copper);
  }

  .contact-list strong {
    display: block;
    font-size: 14px;
    color: var(--pine);
  }

  .contact-side-note {
    background: #FFF4E8;
    border-left: 2px solid var(--copper);
    border-radius: 0 6px 6px 0;
    padding: 14px 18px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.7;
  }

  .form-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 34px;
    box-shadow: var(--shadow-soft);
  }

  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .field {
    margin-bottom: 18px;
  }

  .field label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
  }

  .field input,
  .field select,
  .field textarea {
    width: 100%;
    background: #F1EFEA;
    border: 1px solid transparent;
    border-radius: var(--radius-input);
    padding: 12px 14px;
    font-size: 15px;
    color: var(--ink);
    outline: none;
    transition: background .2s ease, border-color .2s ease, box-shadow .2s ease;
  }

  .field input:focus,
  .field select:focus,
  .field textarea:focus {
    background: #fff;
    border-color: var(--pine);
    box-shadow: 0 0 0 3px rgba(29, 74, 62, .1);
  }

  .field textarea {
    min-height: 120px;
    resize: vertical;
  }

  .form-notice {
    background: #E4F0E9;
    color: var(--success);
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 14px;
    margin-bottom: 16px;
  }

  .hidden {
    display: none !important;
  }

  /* cta band */
  .cta-band {
    background: var(--pine);
    color: #fff;
    padding: 72px 0;
    text-align: center;
  }

  .cta-band h2 {
    font-size: 34px;
    margin: 0 0 10px;
    color: #fff;
  }

  .cta-band p {
    color: rgba(255, 255, 255, .78);
    font-size: 16px;
    margin-bottom: 26px;
  }

  .bottom-dock {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 45;
    background: #fff;
    border-top: 1px solid var(--line);
    box-shadow: 0 -4px 14px rgba(29, 74, 62, .06);
    padding: 12px 20px;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
  }

  .bottom-dock p {
    font-size: 14px;
    color: var(--ink);
    font-weight: 600;
    margin: 0;
    line-height: 1.4;
  }

  .bottom-dock p span {
    display: block;
    font-size: 12px;
    color: var(--muted);
    font-weight: 400;
  }

  /* footer */
  .site-footer {
    background: var(--pine-deep);
    color: rgba(255, 255, 255, .88);
    padding: 68px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
    gap: 40px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, .14);
  }

  .logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    font-weight: 800;
    background: #fff;
    color: var(--pine);
  }

  .footer-title {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 18px;
  }

  .footer-brand-text {
    margin: 18px 0 0;
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .64);
    max-width: 390px;
  }

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

  .footer-link-list li {
    margin-bottom: 10px;
  }

  .footer-link-list a {
    display: inline-block;
    font-size: 14px;
    color: rgba(255, 255, 255, .72);
    transition: color .2s ease, transform .2s ease;
  }

  .footer-link-list a:hover {
    color: #fff;
    transform: translateX(3px);
  }

  .footer-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, .68);
    line-height: 1.5;
  }

  .footer-card {
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 6px;
    padding: 12px 14px;
  }

  .footer-card .label {
    display: block;
    font-size: 12px;
    color: rgba(255, 255, 255, .5);
    margin-bottom: 4px;
  }

  .footer-card .value {
    color: #fff;
    font-size: 14px;
  }

  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    padding: 22px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, .5);
  }

  @media (max-width: 1080px) {
    .channel-grid {
      grid-template-columns: repeat(2, 1fr);
    }

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

    .timeline-layout,
    .contact-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }

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

  @media (max-width: 1024px) {
    .main-nav {
      display: none;
    }

    .header-search {
      display: none;
    }

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

    .header-tools .header-cta {
      display: none;
    }

    .mobile-panel {
      display: none;
    }
  }

  @media (max-width: 767px) {
    .wrap,
    .wrap-narrow {
      width: calc(100% - 32px);
    }

    .header-inner {
      height: 66px;
    }

    .brand-text {
      font-size: 19px;
    }

    .cat3-hero {
      padding: 36px 0 56px;
    }

    .cat3-hero-grid {
      grid-template-columns: 1fr;
      gap: 30px;
    }

    .page-title {
      font-size: 32px;
    }

    .page-lead {
      font-size: 15px;
    }

    .hero-actions {
      align-items: stretch;
    }

    .hero-actions .btn {
      width: calc(50% - 6px);
    }

    .hero-note {
      position: static;
      margin-top: 12px;
      max-width: none;
    }

    .section {
      padding-block: 64px;
    }

    .section-head {
      margin-bottom: 32px;
    }

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

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

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

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

    .form-card {
      padding: 22px;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 28px;
    }

    .cta-band {
      padding: 52px 20px;
    }

    .cta-band h2 {
      font-size: 27px;
    }

    .footer-bottom {
      font-size: 11px;
      flex-direction: column;
      align-items: flex-start;
    }

    .bottom-dock {
      display: flex;
    }

    .site-footer {
      padding-bottom: 76px;
    }
  }

  @media (max-width: 520px) {
    .mobile-panel.open {
      display: block;
    }

    .channel-grid,
    .role-grid {
      grid-template-columns: 1fr;
    }

    .contact-list li {
      font-size: 14px;
    }
  }