/* roulang page: index */
:root {
  --ink: #0D3B33;
  --ink-deep: #07231F;
  --teal: #2E6B60;
  --teal-light: #3E7D72;
  --paper: #F7F4EE;
  --paper-soft: #E4EDE9;
  --surface: #FFFFFF;
  --gold: #B4873C;
  --gold-light: #D9B57A;
  --text-main: #1D2A25;
  --text-sub: #5A6F68;
  --line: #DCDFDA;
  --line-deep: #C8D2CC;
  --dark-text: #E9EFEC;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 8px 24px rgba(13, 59, 51, 0.08);
  --shadow-hover: 0 14px 32px rgba(13, 59, 51, 0.14);
  --container: 1240px;
  --space-xl: 100px;
  --space-lg: 80px;
  --space-md: 48px;
  --font-title: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, SimSun, serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--text-main);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.32;
  color: var(--ink);
}
a {
  color: var(--teal);
  text-decoration: none;
}
a:hover {
  color: var(--ink);
}
p {
  margin-bottom: 0;
}
img {
  max-width: 100%;
}
section {
  scroll-margin-top: 80px;
}
.container-wide {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: var(--space-lg) 0;
}
.section-xl {
  padding: var(--space-xl) 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.section-label i {
  color: var(--gold);
}
.section-title {
  font-size: clamp(28px, 3.4vw, 38px);
  margin-bottom: 20px;
}
.section-desc {
  max-width: 820px;
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.85;
}
.btn {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  transition: all .25s ease;
}
.btn-lg {
  height: 52px;
  padding: 0 36px;
  font-size: 16px;
  border-radius: 8px;
}
.btn-gold {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
  box-shadow: 0 8px 20px rgba(180, 135, 60, 0.2);
}
.btn-gold:hover,
.btn-gold:focus {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--ink-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(180, 135, 60, 0.26);
}
.btn-outline-light {
  border: 1px solid rgba(233, 239, 236, 0.7);
  color: var(--dark-text);
  background: transparent;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(233, 239, 236, 0.95);
  transform: translateY(-2px);
}
.btn-ink {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.btn-ink:hover {
  background: var(--ink-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.text-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--ink);
  transition: gap .2s ease;
}
.text-link-arrow i {
  font-size: 12px;
  display: inline-block;
  transition: transform .2s ease;
}
.text-link-arrow:hover {
  color: var(--gold);
  gap: 12px;
}
.text-link-arrow:hover i {
  transform: translateX(2px);
}
.badge-soft {
  display: inline-block;
  background: rgba(46, 107, 96, 0.08);
  color: var(--teal);
  border: 1px solid rgba(46, 107, 96, 0.12);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
}

/* Header & Navigation */
.header-nav {
  height: 72px;
  background: rgba(247, 244, 238, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(220, 223, 218, 0.8);
}
.navbar {
  min-height: 72px;
  padding-top: 0;
  padding-bottom: 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 2px;
  font-weight: 700;
  color: var(--ink) !important;
  white-space: nowrap;
}
.brand-en {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.3px;
  line-height: 1;
}
.brand-cn {
  font-size: 1.5rem;
  margin-left: 3px;
  font-family: var(--font-title);
  color: var(--ink);
  font-weight: 700;
}
.brand-sub {
  display: block;
  font-size: 11px;
  color: var(--gold);
  letter-spacing: .2em;
  margin-top: 2px;
  line-height: 1;
}
.navbar .nav-link {
  color: var(--text-main);
  font-weight: 500;
  font-size: 15px;
  padding: 24px 14px !important;
  position: relative;
  transition: color .2s;
}
.navbar .nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
  opacity: 0;
  transform: scaleX(0.3);
  transition: opacity .25s ease, transform .25s ease;
}
.navbar .nav-link:hover,
.navbar .nav-item.active .nav-link {
  color: var(--ink);
}
.navbar .nav-link:hover::after,
.navbar .nav-item.active .nav-link::after {
  opacity: 1;
  transform: scaleX(1);
}
.nav-cta {
  margin-left: 16px;
}
.btn-nav {
  height: 42px;
  padding: 0 20px;
  font-size: 14px;
}
.navbar-toggler {
  border: none;
  outline: none !important;
  box-shadow: none !important;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.toggler-bar {
  width: 26px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  display: block;
  margin: 3px 0;
  transition: all .25s ease;
}
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(2) {
  opacity: 0;
}
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(100deg, rgba(7, 35, 31, .92) 0%, rgba(13, 59, 51, .75) 58%, rgba(46, 107, 96, .56) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color: #fff;
  padding: 130px 0 110px;
  overflow: hidden;
}
.hero-content {
  max-width: 720px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  color: #E9EFEC;
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .08em;
  margin-bottom: 28px;
}
.hero-eyebrow i {
  color: var(--gold-light);
}
.hero h1 {
  color: #fff;
  font-size: clamp(38px, 4.4vw, 58px);
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 28px;
  line-height: 1.22;
}
.hero h1 .mark {
  color: var(--gold-light);
}
.hero-sub {
  color: rgba(233, 239, 236, .86);
  font-size: 17px;
  line-height: 2;
  max-width: 640px;
  margin-bottom: 42px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 46px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}
.hero-meta-item span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(233, 239, 236, .74);
  font-size: 14px;
}
.hero-meta-item i {
  color: var(--gold-light);
}
.hero-bottom-left {
  position: absolute;
  left: -70px;
  bottom: -70px;
  width: 300px;
  height: 300px;
  background: rgba(180, 135, 60, .08);
  border-radius: 50%;
  filter: blur(30px);
  pointer-events: none;
}

/* Metrics */
.metric-section {
  padding: 56px 0 24px;
  background: var(--paper);
}
.metric-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  padding: 40px 32px 26px;
}
.metric-panel .row {
  row-gap: 28px;
}
.metric-item {
  text-align: left;
  padding: 12px 22px;
  border-right: 1px solid var(--line);
}
.metric-item:last-child {
  border-right: 0;
}
.metric-number {
  font-family: var(--font-title);
  font-size: 42px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  display: flex;
  align-items: baseline;
}
.metric-number small {
  font-size: 20px;
  margin-left: 4px;
  color: var(--gold);
}
.metric-label {
  margin-top: 12px;
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 500;
}
.metric-note {
  margin-top: 6px;
  font-size: 12px;
  color: #8D9C95;
}

/* Services */
.services-section {
  background: var(--paper-soft);
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}
.services-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(46, 107, 96, .28), transparent);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform .28s ease, box-shadow .28s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.service-card:nth-child(2) {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.service-card:nth-child(2) .service-title {
  color: #fff;
}
.service-card:nth-child(2) .service-desc {
  color: rgba(233, 239, 236, .76);
}
.service-card:nth-child(2) .service-index {
  color: rgba(217, 181, 122, .7);
}
.service-card:nth-child(2) .text-link-arrow {
  color: var(--gold-light);
}
.service-card:nth-child(2) img {
  opacity: .18;
}
.service-card-inner {
  position: relative;
  padding: 36px 32px 34px;
  z-index: 2;
}
.service-img {
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 14px;
  opacity: .34;
  transition: transform .3s ease;
}
.service-card:hover .service-img {
  transform: scale(1.08);
}
.service-index {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .1em;
  margin-bottom: 18px;
  font-weight: 600;
  display: block;
}
.service-icon {
  font-size: 30px;
  color: var(--gold);
  margin-bottom: 18px;
}
.service-card:nth-child(2) .service-icon {
  color: var(--gold-light);
}
.service-title {
  font-size: 22px;
  margin-bottom: 12px;
}
.service-desc {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 20px;
  max-width: 92%;
}
.service-link {
  margin-top: auto;
}

/* News */
.news-section {
  background: var(--paper);
  padding: var(--space-xl) 0;
}
.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 44px;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 28px;
}
.news-card {
  grid-column: span 4;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
}
.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.news-card:first-child {
  grid-column: span 6;
}
.news-card--feature img {
  height: 230px;
}
.news-card--narrow img {
  height: 160px;
}
.news-figure {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--paper-soft);
}
.news-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.news-card:hover .news-figure img {
  transform: scale(1.04);
}
.news-body {
  padding: 24px 26px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--text-sub);
}
.news-title {
  font-size: 19px;
  line-height: 1.55;
  margin-bottom: 12px;
}
.news-title a {
  color: var(--ink);
}
.news-title a:hover {
  color: var(--gold);
}
.news-excerpt {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.8;
  margin-top: auto;
}
.news-empty {
  border: 1px dashed var(--line-deep);
  border-radius: 14px;
  background: #fff;
  padding: 48px 24px;
  text-align: center;
  color: var(--text-sub);
  font-size: 15px;
  grid-column: 1 / -1;
}
.news-empty i {
  display: block;
  font-size: 30px;
  color: var(--gold);
  margin-bottom: 12px;
}
.news-more {
  text-align: center;
  margin-top: 44px;
}

/* Compare */
.compare-section {
  background: var(--ink-deep);
  padding: var(--space-xl) 0;
}
.compare-section .section-title {
  color: #fff;
}
.compare-section .section-desc {
  color: rgba(233, 239, 236, .75);
}
.compare-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.compare-panel {
  border-radius: 16px;
  padding: 40px 36px;
}
.compare-before {
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .12);
}
.compare-after {
  background: linear-gradient(145deg, rgba(217, 181, 122, .14), rgba(180, 135, 60, .06));
  border: 1px solid rgba(217, 181, 122, .45);
}
.compare-panel h3 {
  font-size: 22px;
  color: #fff;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.compare-after h3 {
  color: var(--gold-light);
}
.compare-list {
  list-style: none;
  padding-left: 0;
}
.compare-list li {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(233, 239, 236, .1);
  color: rgba(233, 239, 236, .8);
  font-size: 15px;
  line-height: 1.8;
}
.compare-after .compare-list li {
  border-color: rgba(180, 135, 60, .18);
}
.compare-list li:last-child {
  border-bottom: 0;
}
.compare-list li i {
  position: relative;
  top: 4px;
  font-size: 14px;
  color: var(--dark-text);
}
.compare-after .compare-list li i {
  color: var(--gold-light);
}
.compare-conclusion {
  margin-top: 46px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding-top: 40px;
}
.compare-conclusion .quote-mark {
  font-family: var(--font-title);
  font-size: 42px;
  line-height: 1;
  color: var(--gold);
  margin-bottom: 10px;
}
.compare-conclusion p {
  color: #fff;
  font-family: var(--font-title);
  font-size: 22px;
  line-height: 1.7;
  max-width: 800px;
  margin: 0 auto;
}

/* FAQ */
.faq-section {
  background: var(--paper);
  padding: var(--space-xl) 0;
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.6fr;
  gap: 56px;
  margin-top: 48px;
}
.faq-intro .section-title {
  margin-bottom: 18px;
}
.faq-intro .section-desc {
  margin-bottom: 24px;
}
.faq-help-link {
  color: var(--gold);
  font-weight: 600;
}
.accordion {
  border-radius: 14px;
  overflow: hidden;
}
.accordion-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px !important;
  box-shadow: 0 4px 16px rgba(13, 59, 51, .04);
  margin-bottom: 16px;
  overflow: hidden;
}
.accordion-button {
  background: #fff;
  color: var(--ink);
  font-weight: 600;
  font-family: var(--font-body);
  font-size: 17px;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 0;
  box-shadow: none !important;
  transition: background .2s;
}
.accordion-button:not(.collapsed) {
  background: rgba(46, 107, 96, .06);
  color: var(--ink);
}
.accordion-button::before {
  content: "问";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
  width: 28px;
  height: 28px;
  background: rgba(180, 135, 60, .08);
  border-radius: 8px;
  flex-shrink: 0;
}
.accordion-button::after {
  background: none;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f067";
  width: auto;
  height: auto;
  font-size: 14px;
  color: var(--gold);
}
.accordion-button:not(.collapsed)::after {
  content: "\f068";
  transform: rotate(0deg);
}
.accordion-body {
  padding: 10px 24px 26px 68px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.9;
  border-top: 1px solid rgba(220, 223, 218, .7);
}

/* Contact form */
.cta-section {
  background: linear-gradient(135deg, var(--paper-soft), #F7F4EE 45%, #F0E6D8 100%);
  padding: var(--space-xl) 0;
}
.cta-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.cta-title {
  font-size: 34px;
  margin-bottom: 24px;
}
.cta-points {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
}
.cta-points li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: var(--text-main);
  font-size: 15px;
  margin-bottom: 18px;
}
.cta-points li i {
  color: var(--gold);
  font-size: 20px;
  margin-top: 3px;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-hover);
  padding: 36px 34px;
}
.form-label {
  font-weight: 500;
  color: var(--ink);
  font-size: 14px;
  margin-bottom: 8px;
}
.form-control,
.form-select {
  height: 46px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #FDFCFA;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text-main);
  box-shadow: none !important;
  transition: border-color .18s, box-shadow .18s;
}
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5L6 8L9.5 4.5' stroke='%230D3B33' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
}
textarea.form-control {
  height: auto;
  min-height: 120px;
}
.form-control:focus,
.form-select:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(13, 59, 51, .08) !important;
}
.contact-submit {
  width: 100%;
  height: 50px;
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
  border-radius: 8px;
  font-weight: 500;
  transition: background .2s, transform .2s, box-shadow .2s;
}
.contact-submit:hover {
  background: var(--ink-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.form-privacy {
  margin-top: 12px;
  text-align: center;
  color: var(--text-sub);
  font-size: 12px;
  line-height: 1.6;
}
.form-feedback {
  margin-top: 12px;
  font-size: 14px;
  color: var(--teal);
  text-align: center;
  display: none;
}
.contact-tel {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 18px;
}
.contact-tel i {
  color: var(--gold);
  font-size: 26px;
}
.contact-tel span {
  display: block;
  color: var(--text-sub);
  font-size: 13px;
}
.contact-tel strong {
  font-size: 22px;
  color: var(--ink);
  font-family: var(--font-title);
}

/* Footer */
.site-footer {
  background: var(--ink-deep);
  color: rgba(233, 239, 236, .75);
  padding-top: 80px;
  padding-bottom: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr .8fr .8fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(233, 239, 236, .1);
}
.footer-brand .brand-en {
  color: #fff;
}
.footer-brand .brand-cn {
  color: #fff;
}
.footer-brand-text {
  color: rgba(233, 239, 236, .6);
  font-size: 14px;
  line-height: 1.9;
  margin: 18px 0 0;
  max-width: 320px;
}
.footer-title {
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 22px;
  font-family: var(--font-title);
}
.footer-links {
  list-style: none;
  padding: 0;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: rgba(233, 239, 236, .65);
  font-size: 14px;
  position: relative;
  padding-left: 0;
  transition: all .2s ease;
}
.footer-links a:hover {
  color: var(--gold-light);
  padding-left: 8px;
}
.footer-contact {
  list-style: none;
  padding: 0;
}
.footer-contact li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 16px;
  color: rgba(233, 239, 236, .7);
  font-size: 14px;
}
.footer-contact i {
  color: var(--gold);
  margin-top: 5px;
  width: 18px;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 26px 0;
  font-size: 13px;
  color: rgba(233, 239, 236, .45);
}
.footer-bottom a {
  color: rgba(233, 239, 236, .45);
}
.footer-bottom a:hover {
  color: var(--gold-light);
}

/* Responsive */
@media (max-width: 991.98px) {
  .section-xl {
    padding: 64px 0;
  }
  .navbar-collapse {
    background: rgba(255, 255, 255, .98);
    margin-top: 0;
    border-radius: 0 0 14px 14px;
    padding: 14px 20px 20px;
    border: 1px solid var(--line);
    border-top: 0;
    box-shadow: var(--shadow-card);
  }
  .navbar .nav-link {
    padding: 13px 4px !important;
    border-bottom: 1px solid rgba(220, 223, 218, .5);
  }
  .navbar .nav-link::after {
    left: 4px;
    right: auto;
    bottom: 8px;
    width: 24px;
  }
  .nav-cta {
    margin-left: 0;
    margin-top: 14px;
  }
  .btn-nav {
    width: 100%;
    height: 46px;
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-card,
  .news-card:first-child {
    grid-column: span 1;
  }
  .compare-grid {
    grid-template-columns: 1fr;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .cta-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .metric-item {
    border-right: 0;
  }
}
@media (max-width: 767.98px) {
  :root {
    --space-lg: 48px;
  }
  .hero {
    padding: 92px 0 70px;
  }
  .metric-panel {
    padding: 32px 20px 20px;
  }
  .metric-item {
    padding: 10px 12px;
  }
  .metric-number {
    font-size: 34px;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .news-card,
  .news-card:first-child {
    grid-column: span 1;
  }
  .cta-card {
    padding: 20px;
  }
  .form-row {
    row-gap: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .hero-meta {
    gap: 10px 14px;
  }
  .service-card-inner {
    padding: 26px 22px 24px;
  }
  .compare-panel {
    padding: 30px 24px;
  }
}
@media (max-width: 575.98px) {
  .container-wide {
    padding: 0 16px;
  }
  .hero h1 {
    font-size: 31px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-cta .btn {
    width: 100%;
  }
  .section-title {
    font-size: 26px;
  }
  .metric-panel .row {
    row-gap: 16px;
  }
  .contact-card {
    padding: 24px 20px;
  }
  .accordion-button {
    font-size: 15px;
    padding: 18px 16px;
  }
  .accordion-body {
    padding: 10px 16px 20px;
  }
}

/* roulang page: category1 */
:root {
            --pine: #0D3B33;
            --pine-deep: #07231F;
            --pine-soft: #2E6B60;
            --gold: #B4873C;
            --gold-light: #D9B57A;
            --bg: #F7F4EE;
            --surface: #FFFFFF;
            --soft: #E4EDE9;
            --text: #1D2A25;
            --muted: #5A6F68;
            --line: #DCDFDA;
            --on-dark: #E9EFEC;
            --radius: 10px;
            --radius-sm: 6px;
            --shadow-sm: 0 6px 18px rgba(13, 59, 51, .06);
            --shadow-md: 0 8px 24px rgba(13, 59, 51, .08);
            --shadow-lg: 0 14px 36px rgba(13, 59, 51, .13);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            --transition: .25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 12px;
            font-family: var(--font-serif);
            color: var(--pine-deep);
            font-weight: 700;
        }

        p {
            margin: 0 0 16px;
        }

        ul,
        ol {
            padding-left: 0;
            margin-bottom: 0;
            list-style: none;
        }

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

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

        a:hover {
            color: inherit;
        }

        .container-wide {
            width: 100%;
            max-width: 1240px;
            margin-right: auto;
            margin-left: auto;
            padding-right: 24px;
            padding-left: 24px;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(180, 135, 60, .45);
            outline-offset: 2px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            font-weight: 600;
            line-height: 1.25;
            padding: 12px 28px;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn i {
            font-size: .9em;
        }

        .btn-gold {
            background: linear-gradient(135deg, #D9B57A, #B4873C);
            color: #fff;
            border-color: rgba(122, 90, 30, .25);
            box-shadow: 0 8px 22px rgba(180, 135, 60, .22);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, #e3c791, #b4873c);
            color: #fff;
            box-shadow: 0 12px 28px rgba(180, 135, 60, .3);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(233, 239, 236, .55);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: var(--on-dark);
            color: var(--pine-deep);
            transform: translateY(-2px);
        }

        .btn-outline-pine {
            background: transparent;
            border: 1px solid var(--pine);
            color: var(--pine);
        }

        .btn-outline-pine:hover {
            background: var(--pine);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 14px 34px;
        }

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

        .section-white {
            background: #fff;
        }

        .section-soft {
            background: var(--soft);
        }

        .section-head {
            max-width: 820px;
            margin-bottom: 48px;
        }

        .section-lead {
            color: var(--muted);
            font-size: 17px;
            max-width: 760px;
        }

        .kicker {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--gold);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .16em;
            margin-bottom: 12px;
        }

        .kicker::before {
            content: "";
            width: 26px;
            height: 2px;
            background: var(--gold);
            display: inline-block;
        }

        h2 {
            font-size: clamp(26px, 3vw, 36px);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        h3 {
            font-size: 20px;
            line-height: 1.45;
        }

        /* header */
        .header-nav {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(247, 244, 238, .86);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(13, 59, 51, .1);
        }

        .header-nav .navbar {
            min-height: 72px;
            padding: .4rem 0;
            flex-wrap: nowrap;
        }

        .navbar-brand.brand {
            display: inline-flex;
            align-items: baseline;
            gap: 2px;
            margin: 0;
            padding: 0;
        }

        .brand-en {
            font-family: "Noto Sans SC", sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--pine);
            letter-spacing: -0.03em;
        }

        .brand-cn {
            font-family: var(--font-serif);
            font-size: 1.62rem;
            font-weight: 700;
            color: var(--pine-deep);
            letter-spacing: .04em;
        }

        .header-nav .navbar-nav {
            gap: 1.6rem;
        }

        .header-nav .navbar .nav-item {
            position: relative;
            padding: 6px 0;
        }

        .header-nav .navbar .nav-link {
            font-weight: 500;
            color: var(--text);
            padding: .4rem 0;
            position: relative;
        }

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

        .header-nav .navbar .nav-item.active .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 30px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .navbar-toggler {
            border: 0;
            width: 44px;
            height: 40px;
            padding: 0;
            border-radius: var(--radius-sm);
            box-shadow: none !important;
            background: transparent;
        }

        .navbar-toggler .toggler-bar {
            display: block;
            width: 20px;
            height: 2px;
            margin: 5px auto;
            background: var(--pine);
            border-radius: 2px;
            transition: transform .25s ease, opacity .25s ease;
        }

        .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .btn-nav {
            padding: 11px 24px;
        }

        @media (max-width: 991.98px) {
            .header-nav .navbar-collapse {
                background: var(--bg);
                border-top: 1px solid var(--line);
                margin-top: 10px;
                padding: 16px 8px 20px;
                border-radius: 0 0 14px 14px;
                box-shadow: var(--shadow-md);
            }

            .header-nav .navbar-nav {
                gap: 0;
            }

            .header-nav .navbar .nav-item {
                border-bottom: 1px solid rgba(13, 59, 51, .07);
            }

            .header-nav .navbar .nav-item.active .nav-link::after {
                display: none;
            }

            .header-nav .navbar .nav-link {
                display: inline-block;
                padding: 12px 4px;
            }

            .nav-cta {
                padding-top: 16px;
            }

            .btn-nav {
                width: 100%;
            }
        }

        /* category hero */
        .category-hero {
            position: relative;
            padding: 84px 0 92px;
            background-color: var(--pine-deep);
            background-image: url("/assets/images/backpic/back-1.png");
            background-size: cover;
            background-position: center 30%;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(102deg, rgba(7, 35, 31, .94) 10%, rgba(13, 59, 51, .78) 55%, rgba(46, 107, 96, .4) 100%);
        }

        .category-hero::after {
            content: "";
            position: absolute;
            right: 10%;
            bottom: -1px;
            width: 260px;
            height: 4px;
            background: var(--gold);
            border-radius: 10px 10px 0 0;
        }

        .category-hero .container-wide {
            position: relative;
            z-index: 2;
        }

        .hero-breadcrumb {
            color: rgba(233, 239, 236, .78);
            font-size: 14px;
            margin-bottom: 38px;
        }

        .hero-breadcrumb a {
            color: rgba(233, 239, 236, .78);
            border-bottom: 1px solid transparent;
            transition: color var(--transition), border-color var(--transition);
        }

        .hero-breadcrumb a:hover {
            color: #fff;
            border-color: var(--gold-light);
        }

        .hero-breadcrumb .crumb-current {
            color: var(--gold-light);
            font-weight: 600;
        }

        .crumb-divider {
            margin: 0 10px;
            color: rgba(233, 239, 236, .45);
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            color: var(--gold-light);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .08em;
            margin-bottom: 14px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 999px;
            padding: 6px 14px;
        }

        .category-hero h1 {
            color: #fff;
            font-size: clamp(34px, 4.4vw, 54px);
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: .02em;
            max-width: 760px;
        }

        .hero-lead {
            color: rgba(233, 239, 236, .92);
            font-size: 17px;
            line-height: 1.9;
            max-width: 680px;
            margin-bottom: 30px;
        }

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

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .16);
            color: var(--on-dark);
            border-radius: 999px;
            padding: 7px 14px;
            font-size: 13px;
        }

        .hero-tag i {
            color: var(--gold-light);
            font-size: 13px;
        }

        /* value band */
        .value-band {
            background: var(--bg);
        }

        .value-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .value-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 26px 24px;
            border-top: 3px solid var(--pine);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .value-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .value-item h3 {
            font-family: var(--font-sans);
            font-size: 17px;
            font-weight: 700;
            color: var(--pine-deep);
            margin-bottom: 8px;
        }

        .value-item p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .value-item i {
            color: var(--gold);
            font-size: 22px;
            margin-bottom: 16px;
        }

        /* capability */
        .capability-section {
            background: linear-gradient(180deg, var(--bg) 0%, rgba(228, 237, 233, .6) 100%);
            padding-top: 80px;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .service-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 32px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .service-card::after {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--pine);
            opacity: 0;
            transition: opacity var(--transition);
        }

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

        .service-card:hover::after {
            opacity: 1;
        }

        .service-card--dark {
            background: var(--pine);
            border-color: var(--pine);
            box-shadow: 0 12px 32px rgba(7, 35, 31, .28);
        }

        .service-card--dark::after {
            background: var(--gold);
        }

        .service-card--dark h3 {
            color: #fff;
        }

        .service-card--dark p {
            color: rgba(233, 239, 236, .88);
        }

        .service-card--dark .card-more {
            color: var(--gold-light);
        }

        .service-count {
            font-family: var(--font-serif);
            font-size: 15px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: .08em;
        }

        .icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(13, 59, 51, .08);
            color: var(--pine);
            font-size: 20px;
            margin: 18px 0 15px;
        }

        .service-card--dark .icon-circle {
            background: rgba(255, 255, 255, .1);
            color: var(--gold-light);
        }

        .service-card p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.85;
            margin-bottom: 18px;
        }

        .card-more {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-weight: 600;
            font-size: 14px;
            color: var(--pine);
        }

        .card-more i {
            transition: transform .2s ease;
            font-size: 13px;
        }

        .service-card:hover .card-more i {
            transform: translateX(5px);
        }

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

        .showcase-grid {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 62px;
            align-items: center;
        }

        .showcase-media {
            position: relative;
        }

        .showcase-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: 16px;
            box-shadow: 0 24px 56px rgba(13, 59, 51, .18);
        }

        .showcase-media::after {
            content: "";
            position: absolute;
            left: -14px;
            top: -14px;
            width: 120px;
            height: 120px;
            border-left: 3px solid var(--gold);
            border-top: 3px solid var(--gold);
            border-radius: 16px 0 0 0;
            z-index: -1;
        }

        .showcase-copy h2 {
            margin-top: 8px;
        }

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

        .deliver-list li {
            position: relative;
            padding-left: 42px;
            margin-bottom: 20px;
            color: var(--text);
            font-size: 15px;
            line-height: 1.85;
        }

        .deliver-list li i {
            position: absolute;
            left: 0;
            top: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--pine);
            color: var(--gold-light);
            font-size: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* approach */
        .approach-section {
            background: var(--soft);
        }

        .approach-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .approach-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 28px 26px;
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .approach-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .approach-card .step-no {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            line-height: 1;
            color: rgba(13, 59, 51, .18);
            margin-bottom: 22px;
            display: block;
        }

        .approach-card h3 {
            font-family: var(--font-sans);
            font-size: 19px;
            font-weight: 700;
            color: var(--pine-deep);
            margin-bottom: 10px;
        }

        .approach-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.85;
            margin-bottom: 0;
        }

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

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .panel {
            padding: 38px 36px;
            border-radius: 14px;
        }

        .panel-dark {
            background: var(--pine-deep);
            color: rgba(233, 239, 236, .9);
        }

        .panel-dark h3 {
            color: #fff;
            margin-bottom: 22px;
            font-size: 21px;
        }

        .panel-dark h3 i {
            color: var(--gold-light);
            margin-right: 10px;
        }

        .panel-gold {
            background: #F4ECD8;
            border: 1px solid #E8D9AA;
            color: var(--text);
        }

        .panel-gold h3 {
            color: var(--pine-deep);
            margin-bottom: 22px;
            font-size: 21px;
        }

        .panel-gold h3 i {
            color: var(--gold);
            margin-right: 10px;
        }

        .compare-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 15px;
            line-height: 1.85;
            font-size: 15px;
        }

        .compare-list li i {
            position: absolute;
            left: 0;
            top: 7px;
            font-size: 14px;
            color: var(--gold-light);
        }

        .panel-gold .compare-list li i {
            color: var(--gold);
        }

        .compare-footnote {
            margin-top: 24px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            background: rgba(228, 237, 233, .5);
            border-radius: 10px;
            padding: 14px 18px;
        }

        /* next cards */
        .next-section {
            background: var(--bg);
            padding: 80px 0;
        }

        .next-card-wrap {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            max-width: 920px;
        }

        .next-card {
            display: block;
            position: relative;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 30px 36px 28px 30px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .next-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(180, 135, 60, .45);
        }

        .next-card .next-label {
            display: block;
            color: var(--gold);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .14em;
            margin-bottom: 12px;
        }

        .next-card h3 {
            margin-bottom: 8px;
            font-size: 22px;
        }

        .next-card p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        .next-card .arrow {
            position: absolute;
            top: 26px;
            right: 28px;
            color: var(--gold);
            font-size: 18px;
            transition: transform var(--transition);
        }

        .next-card:hover .arrow {
            transform: translateX(5px);
        }

        /* faq */
        .faq-section {
            background: var(--bg);
            padding-bottom: 80px;
        }

        .kaiyun-accordion {
            display: grid;
            gap: 14px;
        }

        .kaiyun-accordion .accordion-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .kaiyun-accordion .accordion-button {
            background: var(--surface);
            color: var(--text);
            font-weight: 600;
            font-size: 16px;
            padding: 22px 52px 22px 24px;
            box-shadow: none;
            border: 0;
            position: relative;
        }

        .kaiyun-accordion .accordion-button::after {
            font-family: "Font Awesome 6 Free";
            content: "\f067";
            font-weight: 900;
            background-image: none;
            width: auto;
            height: auto;
            color: var(--gold);
            transform: none;
            font-size: 15px;
            position: absolute;
            right: 24px;
            transition: transform .25s ease, content .25s ease;
        }

        .kaiyun-accordion .accordion-button:not(.collapsed)::after {
            content: "\f068";
            transform: none;
        }

        .kaiyun-accordion .accordion-button:not(.collapsed) {
            color: var(--pine);
            background: #fff;
        }

        .kaiyun-accordion .accordion-body {
            padding: 0 26px 24px;
            color: var(--muted);
            line-height: 1.9;
            font-size: 15px;
            border-top: 1px solid rgba(13, 59, 51, .08);
            margin: 0 24px;
            padding-left: 0;
            padding-right: 0;
        }

        /* cta band */
        .cta-band-bg {
            background: var(--bg);
            padding-bottom: 80px;
        }

        .cta-band-bg .container-wide.pb-0 {
            padding-bottom: 0;
        }

        .cta-inner {
            background: var(--soft);
            border: 1px solid var(--line);
            border-radius: 18px;
            padding: 52px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            box-shadow: var(--shadow-sm);
        }

        .cta-inner h2 {
            font-size: clamp(24px, 2.6vw, 34px);
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: var(--muted);
            max-width: 560px;
            margin-bottom: 0;
            font-size: 15px;
        }

        .cta-actions {
            display: flex;
            flex-direction: column;
            gap: 14px;
            align-items: flex-start;
            flex-shrink: 0;
        }

        .cta-phone {
            color: var(--muted);
            font-size: 14px;
        }

        /* footer */
        .site-footer {
            background: var(--pine-deep);
            color: rgba(233, 239, 236, .76);
            padding: 64px 0 22px;
            font-size: 15px;
        }

        .site-footer .brand {
            display: inline-flex;
            align-items: baseline;
            gap: 3px;
            margin-bottom: 18px;
        }

        .site-footer .brand-en {
            color: #fff;
            font-size: 1.35rem;
        }

        .site-footer .brand-cn {
            color: #fff;
            font-size: 1.51rem;
        }

        .footer-brand-text {
            color: rgba(233, 239, 236, .72);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 0;
            max-width: 340px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 44px;
            margin-bottom: 44px;
        }

        .footer-title {
            color: #fff;
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }

        .footer-links li {
            margin-bottom: 11px;
        }

        .footer-links a,
        .footer-contact a {
            color: rgba(233, 239, 236, .72);
            transition: color var(--transition);
        }

        .footer-links a:hover,
        .footer-contact a:hover {
            color: var(--gold-light);
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            color: rgba(233, 239, 236, .76);
            font-size: 14px;
            line-height: 1.7;
        }

        .footer-contact li i {
            color: var(--gold);
            margin-top: 4px;
            font-size: 14px;
            width: 18px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            color: rgba(233, 239, 236, .52);
            font-size: 13px;
        }

        .footer-bottom a {
            color: rgba(233, 239, 236, .6);
        }

        .footer-bottom a:hover {
            color: var(--gold-light);
        }

        /* responsive */
        @media (max-width: 1199.98px) {
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 991.98px) {
            .section {
                padding: 64px 0;
            }

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

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

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

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

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

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 40px 36px;
            }
        }

        @media (max-width: 767.98px) {
            .category-hero {
                padding: 56px 0 64px;
            }

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

            .hero-tags span {
                font-size: 12px;
            }

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

            .value-item {
                padding: 22px;
            }

            .service-card {
                padding: 24px;
            }

            .showcase-grid {
                gap: 28px;
            }

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

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

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

            .cta-inner {
                padding: 32px 24px;
            }

            .cta-actions {
                width: 100%;
            }

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

        @media (max-width: 575.98px) {
            .container-wide {
                padding-right: 16px;
                padding-left: 16px;
            }

            .category-hero {
                padding: 46px 0 56px;
            }

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

            .section {
                padding: 52px 0;
            }

            .panel {
                padding: 28px 24px;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

/* roulang page: article */
:root{
  --brand:#0D3B33;
  --brand-deep:#07231F;
  --brand-bright:#2E6B60;
  --brand-soft:#2E6B60;
  --gold:#B4873C;
  --gold-light:#D9B57A;
  --paper:#F7F4EE;
  --surface:#FFFFFF;
  --mint:#E4EDE9;
  --ink:#1D2A25;
  --ink-soft:#5A6F68;
  --line:#DCDFDA;
  --shadow-sm:0 4px 14px rgba(13,59,51,.06);
  --shadow-md:0 8px 24px rgba(13,59,51,.08);
  --shadow-lg:0 12px 32px rgba(13,59,51,.14);
  --radius:10px;
  --radius-lg:16px;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,"SimSun",serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-bright)}
h1,h2,h3,h4,h5,h6{font-family:var(--serif);color:var(--ink);line-height:1.25;margin:0 0 .5rem}
.container-wide{max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
.section-gap{padding-top:80px;padding-bottom:80px}
.btn{border-radius:8px;font-weight:600;letter-spacing:.01em;padding:.68rem 1.45rem;display:inline-flex;align-items:center;gap:.5rem;border:1px solid transparent;transition:all .22s ease}
.btn:focus,.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(180,135,60,.32)}
.btn-gold{background:var(--gold);border-color:var(--gold);color:#07231F}
.btn-gold:hover,.btn-gold:focus{background:var(--gold-light);border-color:var(--gold-light);color:#07231F;transform:translateY(-2px);box-shadow:0 10px 22px rgba(180,135,60,.25)}
.btn-outline-brand{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline-brand:hover,.btn-outline-brand:focus{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.btn-soft-brand{background:var(--mint);border-color:transparent;color:var(--brand)}
.btn-soft-brand:hover{background:#d5e3de;color:var(--brand-deep);transform:translateY(-2px)}
.text-weak{color:var(--ink-soft)}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:13px;font-weight:600;letter-spacing:.18em;color:var(--brand);text-transform:none}

/* header */
.header-nav{background:rgba(247,244,238,.93);backdrop-filter:blur(12px);border-bottom:1px solid rgba(13,59,51,.08);padding:8px 0}
.header-nav .navbar{padding:.55rem 0;flex-wrap:nowrap}
.brand{display:inline-flex;align-items:center;white-space:nowrap}
.brand-en{font-size:1.42rem;font-weight:700;letter-spacing:.02em;color:var(--brand)}
.brand-cn{font-family:var(--serif);font-size:1.2rem;font-weight:700;color:var(--ink);margin-left:.1rem}
.brand:hover .brand-cn{color:var(--brand)}
.navbar-nav{gap:.2rem}
.navbar .nav-link{font-size:15px;font-weight:500;color:var(--ink);padding:.52rem .95rem;border-radius:8px;position:relative}
.navbar .nav-link:hover{color:var(--brand)}
.navbar .nav-item.active .nav-link{color:var(--brand)}
.navbar .nav-item.active .nav-link::after{content:"";position:absolute;left:.95rem;right:.95rem;bottom:.05rem;height:2px;background:var(--gold);border-radius:2px}
.nav-cta{margin-left:auto}
.btn-nav{border-radius:999px;background:var(--brand);border-color:var(--brand);color:#fff;padding:.5rem 1.3rem;font-size:14px}
.btn-nav:hover,.btn-nav:focus{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-2px)}
.navbar-toggler{border:0;background:transparent;padding:.25rem .5rem;box-shadow:none!important;display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.navbar-toggler .toggler-bar{display:block;width:22px;height:2px;border-radius:4px;background:var(--ink)}
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(2){opacity:0}
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:991.98px){
  .header-nav{padding:6px 0}
  .header-nav .navbar{flex-wrap:wrap}
  .navbar-collapse{background:var(--surface);border-radius:14px;box-shadow:var(--shadow-md);padding:16px;margin-top:10px;border:1px solid rgba(13,59,51,.06)}
  .navbar-nav{gap:.15rem;width:100%}
  .nav-cta{width:100%;margin-left:0!important;margin-top:14px}
  .btn-nav{width:100%;justify-content:center}
  .navbar .nav-item.active .nav-link::after{display:none}
  .navbar .nav-item.active .nav-link{background:rgba(13,59,51,.07)}
}

/* article hero */
.article-hero{position:relative;background-image:url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;padding:64px 0 58px;color:#fff}
.article-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(102deg,rgba(7,35,31,.97) 0%,rgba(13,59,51,.93) 44%,rgba(46,107,96,.76) 100%)}
.article-hero .container-wide{position:relative;z-index:2}
.article-breadcrumb .breadcrumb{margin-bottom:22px;padding:0;background:transparent}
.article-breadcrumb .breadcrumb-item{font-size:13px;color:rgba(255,255,255,.68)}
.article-breadcrumb .breadcrumb-item a{color:rgba(255,255,255,.88);text-decoration:none}
.article-breadcrumb .breadcrumb-item a:hover{color:#fff;text-decoration:underline}
.article-breadcrumb .breadcrumb-item+.breadcrumb-item::before{content:"›";color:rgba(255,255,255,.55)}
.article-breadcrumb .breadcrumb-item.active{color:rgba(255,255,255,.6);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-cat-tag{display:inline-flex;align-items:center;gap:.4rem;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:.28rem .8rem;font-size:13px;font-weight:600;color:#fff;margin-bottom:18px;backdrop-filter:blur(3px)}
.article-cat-tag i{color:var(--gold-light)}
.article-hero h1{color:#fff;font-size:clamp(1.75rem,3.4vw,2.8rem);font-weight:700;line-height:1.32;max-width:900px;margin-bottom:18px;text-shadow:0 2px 12px rgba(0,0,0,.12)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;color:rgba(255,255,255,.84);font-size:14px}
.article-meta span{display:inline-flex;align-items:center;gap:.45rem}
.article-meta i{color:var(--gold-light)}

/* article layout */
.article-layout{background:var(--paper);position:relative;padding-top:56px;padding-bottom:72px}
.article-layout::before{content:"";position:absolute;left:0;right:0;top:0;height:56px;background:linear-gradient(to bottom,rgba(13,59,51,.06),transparent)}
.article-main-col{max-width:100%}
.article-prose{background:var(--surface);border:1px solid rgba(13,59,51,.06);border-radius:var(--radius-lg);padding:clamp(24px,4vw,52px);box-shadow:var(--shadow-sm)}
.article-prose h2{font-size:1.62rem;font-weight:700;color:var(--brand-deep);margin:2.1rem 0 1rem;padding-left:15px;border-left:4px solid var(--gold)}
.article-prose h3{font-size:1.28rem;font-weight:700;color:var(--brand-deep);margin:1.7rem 0 .8rem}
.article-prose h4{font-size:1.1rem;font-weight:700;margin:1.4rem 0 .6rem}
.article-prose p{font-size:16.5px;line-height:1.95;color:var(--ink);margin-bottom:1.05rem;letter-spacing:.015em}
.article-prose a{text-decoration:underline;text-underline-offset:3px}
.article-prose a:hover{text-decoration-color:var(--gold)}
.article-prose ul,.article-prose ol{padding-left:1.4rem;margin:1.1rem 0}
.article-prose li{margin-bottom:.55rem;line-height:1.9;color:var(--ink)}
.article-prose img{border-radius:12px;margin:1.5rem 0;box-shadow:var(--shadow-md)}
.article-prose blockquote{border-left:4px solid var(--gold);background:none;padding:.8rem 1.4rem .8rem 1.2rem;font-family:var(--serif);font-size:17px;color:var(--brand-deep);margin:1.5rem 0;background:rgba(228,237,233,.5);border-radius:0 10px 10px 0}
.article-prose figcaption,.article-prose .wp-caption-text{color:var(--ink-soft);font-size:13px;text-align:center;margin:-.5rem 0 1rem}
.article-prose table{width:100%;border-collapse:separate;border-spacing:0;font-size:15px;margin:1.4rem 0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.article-prose table th,.article-prose table td{padding:.7rem .9rem;border-bottom:1px solid var(--line);text-align:left}
.article-prose table tr:last-child td{border-bottom:0}
.article-prose table th{background:var(--mint);color:var(--brand-deep)}
.article-bottom-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;padding-top:28px;border-top:1px solid var(--line)}
.article-bottom-nav .btn i{font-size:.85rem}

/* aside */
.article-aside .side-inner{position:sticky;top:104px;display:flex;flex-direction:column;gap:22px}
.side-card{background:var(--surface);border:1px solid rgba(13,59,51,.07);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}
.side-card-title{display:flex;align-items:center;gap:.6rem;font-family:var(--serif);font-size:1.04rem;font-weight:700;color:var(--ink);margin-bottom:16px;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.side-card-title i{color:var(--gold);font-size:16px}
.article-info-list{list-style:none;margin:0;padding:0}
.article-info-list li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(13,59,51,.08);font-size:14px;color:var(--ink-soft)}
.article-info-list li:last-child{border-bottom:0}
.article-info-list strong{color:var(--ink);font-weight:600}
.side-link-list{list-style:none;margin:0;padding:0}
.side-link-list li{margin-bottom:4px}
.side-link-list a{display:flex;align-items:center;gap:.6rem;padding:.6rem .7rem;border-radius:8px;color:var(--ink);font-size:14.5px;font-weight:500}
.side-link-list a i{color:var(--brand);font-size:13px}
.side-link-list a:hover{background:var(--mint);color:var(--brand-deep);padding-left:1rem}
.side-card-cover{position:relative;border-radius:10px;overflow:hidden;margin-bottom:18px;aspect-ratio:16/8}
.side-card-cover img{width:100%;height:100%;object-fit:cover}
.side-card .btn{width:100%}
.side-contact-item{display:flex;gap:10px;margin-bottom:12px;font-size:14px;color:var(--ink-soft)}

/* empty state */
.article-empty-page{background:var(--paper);padding:70px 0 90px;min-height:60vh}
.empty-notice{background:var(--surface);border:1px dashed rgba(13,59,51,.25);border-radius:16px;padding:56px 24px;text-align:center;box-shadow:none}
.empty-notice h1{font-size:1.9rem;margin-bottom:10px}
.empty-notice p{color:var(--ink-soft);margin-bottom:22px}

/* related */
.related-section{padding:72px 0;background:linear-gradient(to bottom,var(--paper),#F0EBE1 100%)}
.related-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:34px}
.related-head h2{font-size:1.9rem;font-weight:700;color:var(--brand-deep);margin-bottom:6px}
.related-head .eyebrow{margin-bottom:4px}
.related-card{background:var(--surface);border:1px solid rgba(13,59,51,.07);border-radius:var(--radius-lg);overflow:hidden;height:100%;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.related-card .card-cover{aspect-ratio:16/9;overflow:hidden}
.related-card .card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .card-cover img{transform:scale(1.05)}
.related-card .card-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-card h3{font-size:1.2rem;font-weight:700;color:var(--ink);margin:0;line-height:1.4}
.related-card h3 a{color:var(--ink)}
.related-card h3 a:hover{color:var(--brand)}
.related-card .card-summary{font-size:14px;color:var(--ink-soft);line-height:1.75;margin:6px 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .card-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;color:var(--ink-soft);font-size:13px}

/* cta band */
.article-cta-band{background:var(--brand);background-image:linear-gradient(115deg,rgba(7,35,31,.96) 30%,rgba(46,107,96,.84)),url("/assets/images/backpic/back-3.webp");background-size:cover;background-position:center;padding:56px 0}
.article-cta-band h2{color:#fff;font-size:1.7rem;font-weight:700;margin-bottom:6px}
.article-cta-band p{color:rgba(255,255,255,.82);max-width:720px;margin-bottom:0}
.article-cta-band .btn-lg{border-radius:999px;padding:.85rem 1.8rem;font-size:16px}

/* footer */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.75)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding:64px 24px 40px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-en{color:#fff;font-size:1.5rem}
.footer-brand .brand-cn{color:var(--gold-light);font-size:1.25rem}
.footer-brand-text{margin-top:16px;font-size:14px;max-width:340px;line-height:1.85;color:rgba(255,255,255,.65)}
.footer-title{color:#fff;font-family:var(--sans);font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0}
.footer-links li,.footer-contact li{margin-bottom:11px;font-size:14px}
.footer-links a,.footer-contact a{color:rgba(255,255,255,.68);text-decoration:none}
.footer-links a:hover{color:var(--gold-light);padding-left:3px}
.footer-contact i{width:20px;color:var(--gold);font-size:14px;margin-right:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.66)}
.footer-bottom a:hover{color:var(--gold-light)}

@media(max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
}
@media(max-width:991.98px){
  .section-gap{padding-top:56px;padding-bottom:56px}
  .article-aside{margin-top:36px}
  .article-aside .side-inner{position:static}
  .related-head{align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767.98px){
  .article-hero{padding:48px 0 42px}
  .article-layout{padding-top:28px;padding-bottom:52px}
  .article-bottom-nav .btn{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;padding:48px 20px 20px;gap:30px}
  .footer-bottom{justify-content:center;text-align:center}
}
@media(max-width:575.98px){
  .container-wide{padding-left:16px;padding-right:16px}
  .article-prose{padding:22px 18px}
  .footer-grid{padding-left:16px;padding-right:16px}
  .footer-bottom{padding-left:16px;padding-right:16px}
}

/* roulang page: category2 */
:root {
        --pine-green: #0D3B33;
        --pine-deep: #07231F;
        --celadon: #2E6B60;
        --antique-gold: #B4873C;
        --gold-hover: #D9B57A;
        --rice-paper: #F7F4EE;
        --card-white: #FFFFFF;
        --mist-green: #E4EDE9;
        --text-main: #1D2A25;
        --text-sub: #5A6F68;
        --line-light: #DCDFDA;
        --text-deep-light: #E9EFEC;
        --radius-card: 14px;
        --radius-btn: 8px;
        --radius-chip: 999px;
        --shadow-card: 0 8px 30px rgba(13, 59, 51, .06);
        --shadow-hover: 0 16px 40px rgba(13, 59, 51, .12);
        --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', serif;
        --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        --section-gap: 90px;
        --section-gap-md: 60px;
    }
    /* base reset */
    * {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-sans);
        background-color: var(--rice-paper);
        color: var(--text-main);
        line-height: 1.75;
        margin: 0;
        padding: 0;
        -webkit-font-smoothing: antialiased;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: var(--pine-green);
        text-decoration: none;
        transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    a:hover {
        color: var(--antique-gold);
    }
    [class*="display-"],
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-family: var(--font-serif);
    }
    .container-wide {
        width: 100%;
        max-width: 1280px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 24px;
        padding-right: 24px;
    }
    .brand {
        display: inline-block;
        line-height: 1.2;
        font-style: normal;
        text-decoration: none;
        white-space: nowrap;
    }
    .brand .brand-en {
        font-weight: 700;
        font-size: 1.6rem;
        color: var(--pine-green);
        letter-spacing: -0.01em;
        vertical-align: baseline;
    }
    .brand .brand-cn {
        font-weight: 700;
        font-size: 1.65rem;
        margin-left: 1px;
        color: var(--pine-deep);
        letter-spacing: .02em;
    }
    .header-nav {
        background-color: rgba(247, 244, 238, .85);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(13, 59, 51, .1);
        min-height: 72px;
        padding-top: 8px;
        padding-bottom: 8px;
        z-index: 1080;
    }
    .header-nav .navbar {
        padding-top: 0;
        padding-bottom: 0;
        min-height: 56px;
        gap: 16px;
    }
    .navbar-brand.brand {
        padding-top: 0;
        padding-bottom: 0;
        margin-right: 20px;
    }
    .navbar-nav {
        gap: 2px;
    }
    .nav-item .nav-link {
        position: relative;
        font-weight: 500;
        font-size: 15px;
        padding: 10px 16px !important;
        color: var(--text-main);
        border-radius: var(--radius-btn);
        transition: background-color .2s, color .2s;
    }
    .nav-item .nav-link:hover {
        color: var(--pine-green);
        background-color: rgba(13, 59, 51, .06);
    }
    .nav-item.active .nav-link {
        color: var(--pine-green);
        font-weight: 600;
    }
    .nav-item.active .nav-link::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 16px;
        right: 16px;
        height: 2px;
        border-radius: 2px;
        background-color: var(--antique-gold);
    }
    .btn {
        font-family: var(--font-sans);
        border-radius: var(--radius-btn);
        font-weight: 500;
        line-height: 1.2;
        padding: 12px 24px;
        transition: all .25s ease;
    }
    .btn-lg {
        padding: 14px 32px;
        font-size: 16px;
    }
    .btn-gold {
        background-color: var(--antique-gold);
        color: #ffffff;
        border: 1px solid var(--antique-gold);
    }
    .btn-gold:hover {
        background-color: var(--gold-hover);
        border-color: var(--gold-hover);
        color: #ffffff;
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(180, 135, 60, .28);
    }
    .btn-pine {
        background-color: var(--pine-green);
        color: #fff;
        border: 1px solid var(--pine-green);
    }
    .btn-pine:hover {
        background-color: var(--pine-deep);
        border-color: var(--pine-deep);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 12px 28px rgba(13, 59, 51, .25);
    }
    .btn-outline-pine {
        background-color: transparent;
        border: 1.6px solid rgba(46, 107, 96, .5);
        color: var(--pine-green);
    }
    .btn-outline-pine:hover {
        background-color: var(--mist-green);
        border-color: var(--pine-green);
        color: var(--pine-deep);
        transform: translateY(-2px);
    }
    .btn-nav {
        padding: 10px 22px;
        border-radius: var(--radius-chip);
        font-size: 15px;
    }
    .navbar-toggler {
        border: none;
        padding: 8px 4px;
        width: 46px;
        height: 40px;
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        background: transparent;
    }
    .navbar-toggler .toggler-bar {
        display: block;
        width: 24px;
        height: 2.4px;
        border-radius: 4px;
        background-color: var(--pine-deep);
        transition: transform .3s, opacity .3s;
    }
    .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(1) {
        transform: translateY(7.4px) rotate(45deg);
    }
    .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(2) {
        opacity: 0;
    }
    .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(3) {
        transform: translateY(-7.4px) rotate(-45deg);
    }
    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(180, 135, 60, .3);
    }
    /* Content spacing */
    .category-hero {
        background-image: linear-gradient(120deg, rgba(7, 35, 31, .82), rgba(13, 59, 51, .70), rgba(46, 107, 96, .48)), url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        color: #fff;
        padding-top: 116px;
        padding-bottom: 88px;
        border-bottom-left-radius: 32px;
        border-bottom-right-radius: 32px;
        position: relative;
        overflow: hidden;
    }
    .category-hero .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background-color: rgba(255, 255, 255, .12);
        border: 1px solid rgba(255, 255, 255, .2);
        padding: 6px 20px;
        border-radius: 40px;
        font-size: 13px;
        letter-spacing: .08em;
        color: #e8e0cf;
        margin-bottom: 24px;
    }
    .category-hero h1 {
        font-size: clamp(34px, 4vw, 52px);
        font-weight: 700;
        letter-spacing: .04em;
    }
    .category-hero .lead {
        font-size: 17px;
        line-height: 1.9;
        color: var(--text-deep-light);
        max-width: 640px;
    }
    .category-hero .hero-flow-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 14px 24px;
        margin-top: 30px;
        color: rgba(255, 255, 255, .85);
        font-size: 14px;
    }
    .category-hero .hero-flow-tags i {
        color: var(--gold-hover);
        margin-right: 6px;
    }
    .breadcrumb-holder {
        margin-bottom: 24px;
    }
    .breadcrumb-holder .bc-link {
        color: rgba(255, 255, 255, .68);
        font-size: 14px;
        border-bottom: 1px solid transparent;
        transition: .2s;
    }
    .breadcrumb-holder .bc-link:hover {
        color: #fff;
        border-bottom-color: rgba(255, 255, 255, .45);
    }
    .breadcrumb-holder .bc-sep {
        margin: 0 10px;
        color: rgba(255, 255, 255, .4);
    }
    .breadcrumb-holder .bc-active {
        color: rgba(255, 255, 255, .95);
        font-weight: 500;
    }
    .section-block {
        padding-top: var(--section-gap);
        padding-bottom: var(--section-gap);
    }
    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        font-size: 13px;
        font-weight: 500;
        letter-spacing: .14em;
        color: var(--antique-gold);
        text-transform: uppercase;
        margin-bottom: 10px;
    }
    .section-label::before {
        content: '';
        display: block;
        width: 30px;
        height: 1px;
        background-color: var(--antique-gold);
    }
    .section-title {
        font-size: clamp(28px, 2.6vw, 40px);
        font-weight: 700;
        line-height: 1.32;
        letter-spacing: .02em;
        color: var(--pine-deep);
        margin-top: 8px;
        margin-bottom: 18px;
    }
    .section-desc {
        font-size: 16px;
        line-height: 1.9;
        color: var(--text-sub);
        max-width: 720px;
    }
    .scene-card {
        background: #fff;
        border-radius: var(--radius-card);
        border: 1px solid rgba(220, 223, 218, .8);
        padding: 36px 34px 28px;
        height: 100%;
        position: relative;
        transition: transform .3s ease, box-shadow .35s ease, border-color .3s;
        box-shadow: var(--shadow-card);
    }
    .scene-card:hover,
    .scene-card:focus-within {
        transform: translateY(-6px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(180, 135, 60, .24);
    }
    .scene-card .card-index {
        font-family: var(--font-serif);
        font-size: 13px;
        letter-spacing: .12em;
        color: var(--antique-gold);
        text-transform: uppercase;
        display: flex;
        align-items: center;
        gap: 4px;
    }
    .scene-card .card-index::after {
        content: '';
        display: block;
        width: 32px;
        height: 1px;
        background: rgba(180, 135, 60, .25);
    }
    .scene-card .icon-block {
        width: 52px;
        height: 52px;
        border-radius: 14px;
        background-color: var(--celadon);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        margin-bottom: 22px;
        transition: background-color .3s;
    }
    .scene-card h3 {
        font-size: 21px;
        font-weight: 600;
        margin-bottom: 14px;
        color: var(--pine-deep);
    }
    .scene-card p {
        color: var(--text-sub);
        font-size: 15px;
        line-height: 1.9;
        margin-bottom: 18px;
    }
    .scene-card .scene-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .badge-soft {
        background: rgba(13, 59, 51, .07);
        color: var(--celadon);
        border-radius: 6px;
        padding: 6px 12px;
        font-weight: 400;
        font-size: 13px;
    }
    .badge-gold {
        background: rgba(180, 135, 60, .12);
        color: #8b6527;
        border-radius: 6px;
        padding: 6px 12px;
        font-weight: 500;
        font-size: 13px;
    }
    .index-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    @media (max-width: 992px) {
        .index-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 576px) {
        .index-grid {
            grid-template-columns: 1fr;
        }
    }
    .index-block {
        border-radius: var(--radius-card);
        padding: 26px 22px;
        background: rgba(13, 59, 51, .035);
        border: 1px solid rgba(13, 59, 51, .08);
    }
    .index-block h4 {
        font-size: 17px;
        font-weight: 600;
        margin-bottom: 16px;
        color: var(--pine-deep);
    }
    .index-links li {
        margin-bottom: 8px;
    }
    .index-links a {
        color: var(--text-main);
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        border-bottom: 1px solid transparent;
        transition: .2s;
    }
    .index-links a::before {
        content: '›';
        color: var(--antique-gold);
    }
    .index-links a:hover {
        color: var(--antique-gold);
        border-bottom-color: rgba(180, 135, 60, .4);
        padding-left: 4px;
    }
    .process-step {
        text-align: center;
        position: relative;
        padding: 32px 16px;
    }
    .process-step .step-circle {
        width: 64px;
        height: 64px;
        margin: 0 auto 22px;
        background: var(--mist-green);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: var(--font-serif);
        font-weight: 600;
        font-size: 20px;
        color: var(--celadon);
        border: 1px solid rgba(46, 107, 96, .3);
    }
    .process-step h4 {
        font-size: 18px;
        margin-bottom: 12px;
        color: var(--pine-deep);
    }
    .process-step p {
        font-size: 14px;
        color: var(--text-sub);
        padding: 0 6px;
        line-height: 1.8;
    }
    .step-line-hidden .process-step::after {
        display: none;
    }
    .cta-strip {
        background-color: var(--mist-green);
        border-radius: 20px;
        padding: 48px 48px 50px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 36px;
        flex-wrap: wrap;
    }
    .cta-strip h2 {
        font-size: clamp(22px, 2.2vw, 30px);
        font-weight: 600;
        margin-bottom: 8px;
        color: var(--pine-deep);
    }
    .cta-strip p {
        margin-bottom: 0;
        font-size: 15px;
        color: var(--celadon);
        max-width: 620px;
    }
    .cta-strip .cta-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
    }
    .result-panel {
        background-color: var(--pine-deep);
        color: #fff;
        border-radius: 20px;
        padding: 46px 48px;
    }
    .result-panel h2 {
        color: #fff;
    }
    .result-panel .label-gold {
        color: var(--gold-hover);
    }
    .result-grid-two {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
    }
    .result-list-item {
        display: flex;
        gap: 6px;
        margin-top: 24px;
        font-size: 15px;
        line-height: 1.8;
        color: #dfe9e5;
    }
    .result-list-item.active-panel {
        background: rgba(255, 255, 255, .05);
        border-radius: 12px;
        padding: 14px 18px;
    }
    @media (max-width: 768px) {
        .result-grid-two {
            grid-template-columns: 1fr;
            gap: 30px;
        }
        .result-panel {
            padding: 28px 24px;
        }
        .cta-strip {
            padding: 32px 24px;
        }
    }
    .faq-wrap .accordion-item {
        background-color: transparent;
        border: none;
        padding: 0;
        margin-bottom: 16px;
    }
    .faq-wrap .accordion-item .q-mark {
        flex: 0 0 36px;
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background-color: rgba(180, 135, 60, .16);
        color: #7b5d29;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 16px;
    }
    .faq-wrap .accordion-toggle {
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
        padding: 0;
        gap: 14px;
    }
    .faq-wrap .accordion-button {
        display: flex;
        align-items: center;
        width: 100%;
        background: var(--card-white);
        border-radius: var(--radius-card) !important;
        box-shadow: var(--shadow-card);
        font-family: var(--font-sans);
        font-weight: 600;
        font-size: 16px;
        color: var(--pine-deep);
        padding: 20px 22px;
        transition: border-color .25s;
        border: 1px solid transparent;
        text-align: left;
        gap: 14px;
    }
    .faq-wrap .accordion-button .q-mark {
        flex: 0 0 36px;
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background-color: rgba(180, 135, 60, .16);
        color: #7b5d29;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 0;
    }
    .faq-wrap .accordion-button:not(.collapsed) {
        background-color: var(--mist-green);
        box-shadow: none;
        color: var(--pine-deep);
    }
    .faq-wrap .accordion-button:focus {
        box-shadow: 0 0 0 3px rgba(180, 135, 60, .2);
    }
    .faq-wrap .accordion-button::after {
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        content: "\f067";
        background-image: none;
        width: auto;
        height: auto;
        color: var(--antique-gold);
        font-size: 18px;
        transition: transform .3s;
        margin-left: auto;
        flex: 0 0 24px;
    }
    .faq-wrap .accordion-button:not(.collapsed)::after {
        content: "\f068";
        transform: rotate(180deg);
    }
    .faq-wrap .accordion-body {
        background: #fff;
        border-radius: 0 0 var(--radius-card) var(--radius-card);
        padding: 4px 22px 20px 74px;
        color: var(--text-sub);
        font-size: 15px;
        line-height: 1.9;
        border-top: 0;
    }
    .link-arrow {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-weight: 500;
        color: var(--celadon);
        border: none;
        background: none;
        padding: 8px 0 2px;
        position: relative;
        cursor: pointer;
    }
    .link-arrow i {
        transition: transform .2s;
    }
    .link-arrow:hover {
        color: var(--antique-gold);
    }
    .link-arrow:hover i {
        transform: translateX(4px);
    }
    .footer {
        margin-top: 60px;
    }
    .site-footer {
        background-color: var(--pine-deep);
        color: var(--text-deep-light);
        padding: 60px 0 26px;
        margin-top: 60px;
    }
    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
        gap: 48px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
    }
    .site-footer .brand .brand-en,
    .site-footer .brand .brand-cn {
        color: #fff;
    }
    .site-footer .brand .brand-cn {
        color: #fff;
    }
    .footer-brand-text {
        color: rgba(255, 255, 255, .7);
        margin-top: 24px;
        font-size: 14px;
        line-height: 1.9;
        max-width: 300px;
    }
    .site-footer .footer-title {
        color: #ffffff;
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 26px;
        position: relative;
        padding-bottom: 10px;
    }
    .site-footer .footer-title::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 28px;
        height: 2px;
        background-color: var(--antique-gold);
        border-radius: 2px;
    }
    .site-footer .footer-links,
    .site-footer .footer-contact {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .site-footer .footer-links li {
        padding: 6px 0;
    }
    .site-footer .footer-links a {
        color: rgba(255, 255, 255, .74);
        font-size: 14px;
        line-height: 1.6;
    }
    .site-footer .footer-links a:hover {
        color: var(--gold-hover);
        padding-left: 3px;
    }
    .site-footer .footer-contact li {
        padding: 6px 0;
        color: rgba(255, 255, 255, .72);
        font-size: 14px;
    }
    .site-footer .footer-contact i {
        color: var(--antique-gold);
        margin-right: 8px;
        width: 18px;
        text-align: center;
    }
    .site-footer .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 30px;
        flex-wrap: wrap;
        gap: 12px;
    }
    .site-footer .footer-bottom span {
        color: rgba(255, 255, 255, .52);
        font-size: 13px;
    }
    .site-footer .footer-bottom a {
        color: rgba(255, 255, 255, .6);
    }
    .site-footer .footer-bottom a:hover {
        color: var(--gold-hover);
    }
    .section-white-card {
        background: #fff;
        border-radius: var(--radius-card);
        padding: 40px 38px;
        box-shadow: var(--shadow-card);
    }
    .image-card {
        border-radius: var(--radius-card);
        overflow: hidden;
        position: relative;
        height: 100%;
        min-height: 280px;
        background-size: cover;
        background-position: center;
        display: flex;
        align-items: flex-end;
    }
    .image-card .gradient-mask {
        background: linear-gradient(0deg, rgba(7, 35, 31, .86), rgba(7, 35, 31, .12) 75%, transparent 100%);
        padding: 28px 26px 24px;
        width: 100%;
    }
    .image-card .gradient-mask h3 {
        color: #fff;
        font-size: 20px;
        font-weight: 600;
    }
    .image-card .gradient-mask a {
        color: var(--gold-hover);
        margin-top: 12px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    @media (max-width: 768px) {
        .site-footer .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .section-block {
            padding-top: var(--section-gap-md);
            padding-bottom: var(--section-gap-md);
        }
        .container-wide {
            padding-left: 16px;
            padding-right: 16px;
        }
        .cta-strip {
            flex-direction: column;
        }
    }
    @media (max-width: 576px) {
        .site-footer .footer-grid {
            grid-template-columns: 1fr;
        }
        .site-footer .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
        .nav-cta .btn-nav {
            display: inline-block;
        }
        .navbar-nav .nav-link {
            padding: 12px 10px !important;
        }
        .navbar-nav .nav-cta {
            display: none;
        }
        .navbar-collapse .nav-cta {
            margin-top: 10px;
        }
        .navbar-collapse .nav-cta .btn-nav {
            width: 100%;
        }
        .header-nav {
            min-height: 64px;
        }
        .header-nav .navbar {
            flex-wrap: wrap;
        }
        .category-hero {
            padding-top: 90px;
            padding-bottom: 64px;
        }
        .faq-wrap .accordion-button {
            font-size: 15px;
            padding: 16px;
        }
        .faq-wrap .accordion-body {
            padding: 4px 16px 18px 18px;
        }
        .faq-wrap .accordion-button .q-mark {
            flex: 0 0 30px;
            height: 30px;
            font-size: 14px;
        }
    }
    @media (min-width: 992px) {
        .header-nav .navbar {
            column-gap: 24px;
        }
        .nav-cta {
            margin-left: 20px !important;
        }
    }
    @media (max-width: 991.98px) {
        .navbar-collapse {
            background: var(--rice-paper);
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            padding: 18px 16px 22px;
            margin-top: 8px;
        }
        .nav-item .nav-link {
            display: block;
        }
        .nav-item.active .nav-link::after {
            bottom: 0;
            left: 0;
            right: 0;
            top: auto;
            width: 44px;
        }
        .header-nav .navbar .nav-cta .btn {
            margin-top: 12px;
        }
    }

/* roulang page: category3 */
:root {
            --primary: #0D3B33;
            --primary-dark: #07231F;
            --primary-light: #2E6B60;
            --accent: #B4873C;
            --accent-light: #D9B57A;
            --bg: #F7F4EE;
            --surface: #FFFFFF;
            --surface-soft: #E4EDE9;
            --text: #1D2A25;
            --muted: #5A6F68;
            --border: #DCDFDA;
            --light-text: #E9EFEC;
            --radius: 10px;
            --shadow-sm: 0 8px 24px rgba(13, 59, 51, .08);
            --shadow-lg: 0 12px 32px rgba(13, 59, 51, .14);
            --font-serif: "Noto Serif SC", "Songti SC", STSong, SimSun, serif;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            color: var(--primary);
            line-height: 1.3;
            font-weight: 600;
            margin-top: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease;
        }

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

        p {
            margin-top: 0;
        }

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

        .container-wide {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .navbar {
            padding-top: 6px;
            padding-bottom: 6px;
            min-height: 72px;
        }

        .header-nav {
            position: sticky;
            top: 0;
            z-index: 1060;
            background: rgba(247, 244, 238, .92);
            border-bottom: 1px solid rgba(13, 59, 51, .08);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .brand {
            display: inline-flex;
            align-items: baseline;
            gap: 2px;
            color: var(--primary);
            text-decoration: none;
        }

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

        .brand-en {
            font-family: var(--font-serif);
            font-size: 1.72rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .brand-cn {
            font-family: var(--font-serif);
            font-size: 1.22rem;
            font-weight: 800;
            margin-left: 2px;
            letter-spacing: .04em;
        }

        .navbar-nav {
            gap: 2px;
        }

        .navbar-nav .nav-link {
            color: var(--muted);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 14px;
            position: relative;
            white-space: nowrap;
        }

        .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 14px;
            bottom: 5px;
            width: 0;
            height: 2px;
            border-radius: 99px;
            background: var(--accent);
            transition: width .25s ease;
        }

        .navbar-nav .nav-link:hover::after,
        .nav-item.active .nav-link::after {
            width: 20px;
        }

        .navbar-nav .nav-link:hover,
        .nav-item.active .nav-link {
            color: var(--primary);
        }

        .navbar-toggler {
            border: 0;
            width: 42px;
            height: 42px;
            padding: 8px 10px;
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .toggler-bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 99px;
            margin: 4px 0;
            transition: transform .25s ease, opacity .25s ease;
        }

        .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .btn {
            font-weight: 600;
            border-radius: 999px;
            padding: .72rem 1.6rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid transparent;
            transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease, border-color .25s ease;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(180, 135, 60, .3);
            outline-offset: 2px;
        }

        .btn-gold {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            box-shadow: 0 8px 20px rgba(7, 35, 31, .16);
        }

        .btn-gold:hover,
        .btn-gold:focus {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(7, 35, 31, .22);
        }

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

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-nav {
            min-width: 132px;
            padding: .55rem 1.3rem;
            font-size: 14px;
        }

        .section {
            padding: 88px 0;
        }

        .section-white {
            background: #fff;
        }

        .section-soft {
            background: var(--surface-soft);
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .16em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-eyebrow::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--accent);
            border-radius: 99px;
        }

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

        .section-title {
            font-size: clamp(28px, 3vw, 38px);
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: .01em;
        }

        .section-copy {
            color: var(--muted);
            font-size: 16px;
            margin-bottom: 0;
            max-width: 720px;
        }

        .inverse-section {
            background: var(--primary-dark);
            color: #DCE7E2;
        }

        .inverse-section .section-title {
            color: #fff;
        }

        .inverse-section .section-copy {
            color: #BFD0C9;
        }

        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 74px 0 82px;
            color: #fff;
            background-image: linear-gradient(105deg, rgba(7, 35, 31, .94), rgba(13, 59, 51, .78) 60%, rgba(46, 107, 96, .55)), url("/assets/images/backpic/back-2.png");
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

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

        .breadcrumb-list {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: .3rem;
            list-style: none;
            margin: 0 0 26px;
            padding: 0;
            font-size: 14px;
            color: rgba(233, 239, 236, .7);
        }

        .breadcrumb-list a {
            color: rgba(233, 239, 236, .74);
        }

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

        .breadcrumb-list li+li::before {
            content: "›";
            margin-right: .45rem;
            color: rgba(233, 239, 236, .5);
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, .28);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            letter-spacing: .14em;
            color: var(--accent-light);
            margin-bottom: 18px;
        }

        .hero-title {
            color: #fff;
            font-size: clamp(34px, 4.2vw, 58px);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: .02em;
        }

        .hero-sub {
            max-width: 720px;
            color: rgba(247, 244, 238, .82);
            font-size: 17px;
            line-height: 1.9;
            margin-bottom: 0;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 30px;
        }

        .hero-trust {
            list-style: none;
            margin: 36px 0 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 22px 32px;
            color: rgba(247, 244, 238, .86);
            font-size: 14px;
        }

        .hero-trust i {
            color: var(--accent-light);
            margin-right: 6px;
        }

        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 28px;
            height: 100%;
            position: relative;
            overflow: hidden;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .step-card::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: width .3s ease;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(13, 59, 51, .15);
        }

        .step-card:hover::after {
            width: 100%;
        }

        .step-num {
            display: block;
            font-family: var(--font-serif);
            font-size: 44px;
            line-height: 1;
            font-weight: 700;
            color: rgba(13, 59, 51, .12);
            margin-bottom: 14px;
        }

        .step-icon {
            width: 48px;
            height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(13, 59, 51, .08);
            color: var(--primary);
            border-radius: 10px;
            font-size: 20px;
            margin-bottom: 18px;
        }

        .step-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }

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

        .scenario-head-tools {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 36px;
        }

        .feature-scenario {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .feature-scenario:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(13, 59, 51, .16);
        }

        .scenario-card-cover {
            position: relative;
            background: var(--surface-soft);
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

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

        .feature-scenario:hover .scenario-card-cover img {
            transform: scale(1.04);
        }

        .scenario-card-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .scenario-card-body h3 {
            font-size: 21px;
            margin-bottom: 10px;
        }

        .scenario-card-body p {
            color: var(--muted);
            font-size: 15px;
            flex: 1;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 14px;
        }

        .card-link i {
            transition: transform .25s ease;
        }

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

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

        .compare-wrap {
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .compare-card {
            padding: 38px 36px;
            height: 100%;
        }

        .compare-card-pain {
            background: var(--primary-dark);
            color: #E9EFEC;
        }

        .compare-card-gain {
            background: #FAF2E7;
            color: var(--text);
        }

        .compare-card h3 {
            font-size: 24px;
            margin-bottom: 24px;
        }

        .compare-card-pain h3 {
            color: #fff;
        }

        .compare-card-gain h3 {
            color: var(--primary);
        }

        .compare-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 18px;
        }

        .compare-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-size: 15px;
        }

        .compare-list i {
            margin-top: 6px;
            color: var(--accent-light);
        }

        .compare-card-gain .compare-list i {
            color: var(--accent);
        }

        .compare-quote {
            max-width: 820px;
            border-left: 3px solid var(--accent);
            padding: 8px 0 8px 24px;
            margin: 52px auto 0;
            font-family: var(--font-serif);
            font-size: 1.2rem;
            color: var(--primary);
            line-height: 1.7;
        }

        .resource-card {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 14px;
            padding: 32px 30px;
            height: 100%;
            color: #E9EFEC;
            transition: transform .3s ease, border-color .3s ease, background-color .3s ease;
        }

        .resource-card:hover {
            transform: translateY(-6px);
            background: rgba(255, 255, 255, .1);
            border-color: rgba(217, 181, 122, .65);
        }

        .resource-card i {
            font-size: 28px;
            color: var(--accent-light);
            margin-bottom: 18px;
        }

        .resource-card h3 {
            color: #fff;
            font-size: 20px;
            margin-bottom: 12px;
        }

        .resource-card p {
            color: #CFDED8;
            font-size: 15px;
            margin-bottom: 0;
        }

        .faq-wrap {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--border) !important;
            border-radius: 12px !important;
            margin-bottom: 14px;
            overflow: hidden;
        }

        .faq-accordion .accordion-button {
            background: #fff;
            color: var(--text);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 22px;
            box-shadow: none;
            gap: 14px;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--primary);
            box-shadow: none;
        }

        .faq-accordion .accordion-button::after {
            display: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(13, 59, 51, .1);
            outline: 0;
        }

        .faq-sign {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            margin-left: auto;
            flex: 0 0 auto;
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--primary);
            font-size: 18px;
            transition: transform .3s ease, background-color .3s ease, color .3s ease;
        }

        .accordion-button:not(.collapsed) .faq-sign {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-accordion .accordion-body {
            color: var(--muted);
            line-height: 1.85;
            padding: 0 24px 22px 24px;
            border-top: 1px solid #EFF1EC;
            padding-top: 18px;
        }

        .cta-card {
            position: relative;
            background: linear-gradient(105deg, var(--primary-dark), var(--primary));
            border-radius: 22px;
            color: #fff;
            padding: 58px 56px;
            overflow: hidden;
        }

        .cta-card::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 240px;
            height: 240px;
            border: 3px solid rgba(217, 181, 122, .35);
            border-radius: 50%;
        }

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

        .cta-card p {
            color: #DCE7E2;
            max-width: 680px;
            margin-bottom: 0;
        }

        .site-footer {
            background: var(--primary-dark);
            color: #DCE7E2;
            padding-top: 64px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.7fr 1fr 1fr 1.5fr;
            gap: 42px;
        }

        .site-footer .brand-en,
        .site-footer .brand-cn {
            color: #fff;
        }

        .site-footer .brand-en {
            font-size: 1.8rem;
        }

        .site-footer .brand-cn {
            font-size: 1.25rem;
        }

        .footer-brand-text {
            color: #BFD0C9;
            margin: 20px 0 0;
            max-width: 340px;
            line-height: 1.85;
        }

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

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

        .footer-links a,
        .footer-contact a {
            color: #BFD0C9;
            text-decoration: none;
        }

        .footer-links a:hover,
        .footer-contact a:hover {
            color: var(--accent-light);
        }

        .footer-contact li {
            display: flex;
            gap: 10px;
            color: #BFD0C9;
        }

        .footer-contact i {
            width: 18px;
            margin-top: 6px;
            color: var(--accent-light);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding: 22px 0;
            border-top: 1px solid rgba(255, 255, 255, .14);
            margin-top: 54px;
            color: #A8BDB4;
        }

        .footer-bottom a {
            color: #DCE7E2;
        }

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

        @media (max-width: 1199.98px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
            }

            .footer-contact {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(247, 244, 238, .97);
                border: 1px solid var(--border);
                border-radius: 14px;
                margin-top: 12px;
                padding: 14px 12px;
                box-shadow: var(--shadow-sm);
            }

            .navbar-nav {
                gap: 0;
            }

            .navbar-nav .nav-link {
                padding: 12px 8px;
                font-size: 15px;
            }

            .navbar-nav .nav-link::after {
                bottom: 4px;
                left: 8px;
            }

            .nav-cta {
                margin: 12px 0 6px;
            }

            .page-hero {
                min-height: 380px;
                padding: 60px 0 68px;
            }

            .compare-card {
                padding: 32px 24px;
                border-radius: 14px;
            }

            .cta-card {
                padding: 44px 32px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 64px 0;
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-contact {
                grid-column: 1 / -1;
            }

            .compare-quote {
                margin-top: 36px;
                font-size: 1.05rem;
            }

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

            .hero-trust {
                gap: 12px 16px;
            }
        }

        @media (max-width: 575.98px) {
            .container-wide {
                padding-left: 16px;
                padding-right: 16px;
            }

            .page-hero {
                padding: 48px 0 56px;
            }

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

            .footer-contact {
                grid-column: auto;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .scenario-card-body {
                padding: 22px;
            }

            .cta-card {
                padding: 36px 20px;
            }

            .cta-card h2 {
                font-size: 26px;
            }

            .compare-card {
                padding: 28px 20px;
            }
        }