/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --green-dark: #2E5E4E;
  --green-mid: #3A7A68;
  --green-light: #4C9B85;
  --terracotta: #C46A4A;
  --terracotta-light: #D98A6C;
  --warm-white: #FAF6EF;
  --page-bg: #F7F2EA;
  --dark-green: #1E2A25;
  --gold: #B98A44;
  --text-main: #2B2B2B;
  --text-muted: #6B6B6B;
  --border-muted: rgba(46,94,78,0.10);
  --border-strong: rgba(46,94,78,0.15);
  --border-gold: rgba(185,138,68,0.45);
  --radius-lg: 20px;
  --radius-sm: 14px;
  --shadow-card: 0 10px 30px rgba(46,94,78,0.12);
  --shadow-card-hover: 0 16px 40px rgba(46,94,78,0.20);
  --shadow-btn: 0 8px 20px rgba(196,106,74,0.25);
  --gradient-brand: linear-gradient(135deg, #2E5E4E 0%, #3A7A68 55%, #4C9B85 100%);
  --gradient-accent: linear-gradient(135deg, #C46A4A, #D98A6C);
  --gradient-hero: linear-gradient(110deg, rgba(30,42,37,0.82), rgba(46,94,78,0.55));
  --font-heading: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --section-space: 104px;
  --container-max: 1140px;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; } 
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-main);
  background-color: var(--page-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.25s ease; }
a:hover { color: var(--green-mid); }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  margin: 0 0 0.5em;
}
h1 { font-size: 44px; line-height: 1.2; }
h2 { font-size: 34px; }
h3 { font-size: 22px; }
p { margin: 0 0 16px; }
ul, ol { padding-left: 1.2rem; }
input, button, textarea, select { font-family: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* ===== 容器 ===== */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 20px; width: 100%; }

/* ===== 双层导航 ===== */
.site-header { position: relative; z-index: 1000; }
.header-top {
  background: var(--warm-white);
  border-bottom: 1px solid var(--border-muted);
  padding: 0;
  min-height: 64px;
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.brand-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}
.brand-main {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  color: var(--green-dark);
  letter-spacing: 1px;
}
.brand-sub {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 2px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.header-search {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--green-mid);
  transition: border-color 0.3s;
}
.header-search:focus-within { border-bottom-color: var(--gold); }
.header-search input {
  border: none;
  background: transparent;
  padding: 6px 8px;
  font-size: 14px;
  color: var(--text-main);
  width: 180px;
  outline: none;
}
.header-search button {
  border: none;
  background: transparent;
  color: var(--green-mid);
  padding: 6px 8px;
  cursor: pointer;
  font-size: 14px;
  transition: color 0.3s;
}
.header-search button:hover { color: var(--gold); }
.btn-login-cta {
  display: inline-block;
  background: var(--gradient-accent);
  color: var(--warm-white);
  font-size: 15px;
  font-weight: 600;
  padding: 10px 26px;
  border-radius: 50px;
  box-shadow: var(--shadow-btn);
  transition: transform 0.25s, box-shadow 0.25s, filter 0.25s;
  white-space: nowrap;
}
.btn-login-cta:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(196,106,74,0.30);
  filter: brightness(1.05);
}

.header-nav {
  background: var(--gradient-brand);
  min-height: 48px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.nav-tabs-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-top: 6px;
  padding-bottom: 6px;
}
.nav-tabs-wrap::-webkit-scrollbar { display: none; }
.nav-tab {
  display: inline-block;
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 22px;
  border-radius: 50px;
  white-space: nowrap;
  transition: background 0.3s, color 0.3s;
}
.nav-tab:hover {
  color: #fff;
  background: rgba(255,255,255,0.10);
}
.nav-tab.active {
  background: var(--warm-white);
  color: var(--green-dark);
  font-weight: 600;
}
.nav-tab.active:hover { color: var(--green-dark); }

/* ===== Hero ===== */
.hero-section {
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  padding: 80px 0;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--gradient-hero);
}
.hero-section .container { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}
.hero-content h1 {
  font-size: 46px;
  font-weight: 800;
  color: var(--warm-white);
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.20);
}
.hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 460px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary-custom {
  display: inline-block;
  background: var(--gradient-accent);
  color: var(--warm-white);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: 50px;
  box-shadow: var(--shadow-btn);
  border: 1px solid transparent;
  transition: transform 0.3s, box-shadow 0.3s, filter 0.3s;
}
.btn-primary-custom:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(196,106,74,0.35);
  filter: brightness(1.05);
}
.btn-secondary-custom {
  display: inline-block;
  background: transparent;
  color: var(--warm-white);
  border: 1.5px solid rgba(250,246,239,0.7);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: 50px;
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.3s;
}
.btn-secondary-custom:hover {
  background: var(--warm-white);
  color: var(--green-dark);
  border-color: var(--warm-white);
  transform: translateY(-2px);
}

/* 登录卡片 */
.login-card {
  background: var(--warm-white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
  position: relative;
  overflow: hidden;
}
.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-accent);
}
.login-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 8px;
  font-family: var(--font-heading);
}
.login-card .login-sub { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
.login-card .form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}
.login-card .form-control {
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.login-card .form-control:focus {
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(58,122,104,0.12);
}
.login-card .btn-login-form {
  width: 100%;
  background: var(--gradient-brand);
  color: var(--warm-white);
  border: none;
  border-radius: 50px;
  padding: 13px 20px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}
.login-card .btn-login-form:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(46,94,78,0.25);
}
.login-card .login-links {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  font-size: 13px;
  color: var(--green-mid);
}
.login-card .login-links a { color: var(--green-mid); }
.login-card .login-links a:hover { color: var(--terracotta); }

/* ===== 板块通用 ===== */
.section { padding: var(--section-space) 0; }
.section-head { margin-bottom: 48px; }
.section-head h2 { color: var(--green-dark); margin-bottom: 8px; }
.section-head .section-desc {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 620px;
}
.text-center { text-align: center; }

/* ===== 服务板块（非对称） ===== */
.services-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}
.service-card {
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-lg);
  padding: 28px;
  background: var(--warm-white);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.service-card-lg { grid-row: span 2; display: flex; flex-direction: column; justify-content: center; }
.service-card-sm { border-radius: var(--radius-sm); }
.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--gradient-brand);
  color: var(--warm-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}
.service-card .service-title { font-size: 24px; font-weight: 700; font-family: var(--font-heading); margin-bottom: 12px; color: var(--green-dark); }
.service-card .service-text { font-size: 15px; line-height: 1.7; color: var(--text-muted); }
.service-card-sm .service-title { font-size: 19px; }
.service-card-sm .service-text { font-size: 14px; line-height: 1.6; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--terracotta);
  font-size: 15px;
  font-weight: 600;
  margin-top: 18px;
  transition: gap 0.3s;
}
.service-link:hover { gap: 12px; color: var(--terracotta-light); }

/* ===== 数据徽章板块 ===== */
.stats-section {
  background: linear-gradient(135deg, rgba(46,94,78,0.05), rgba(76,155,133,0.10));
  padding: 72px 0;
}
.stats-grid {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-circle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1px solid var(--border-gold);
  background: var(--warm-white);
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
}
.stat-number {
  font-size: 46px;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--green-dark);
  line-height: 1.1;
}
.stat-unit {
  font-size: 14px;
  color: var(--gold);
  font-weight: 600;
  margin-top: 4px;
}
.stat-label { font-size: 14px; color: var(--text-muted); }

/* ===== 案例板块 ===== */
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.case-card {
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-lg);
  background: var(--warm-white);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}
.case-figure {
  width: 100%;
  height: 260px;
  overflow: hidden;
  position: relative;
}
.case-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
}
.case-card:hover .case-figure img { transform: scale(1.05); }
.case-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--gradient-brand);
  color: var(--warm-white);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 50px;
}
.case-content { padding: 28px; }
.case-content h3 { font-size: 22px; margin-bottom: 12px; color: var(--green-dark); }
.case-content p { color: var(--text-muted); font-size: 15px; line-height: 1.7; }
.case-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--terracotta);
  font-weight: 600;
  font-size: 15px;
  margin-top: 8px;
  transition: gap 0.3s;
}
.case-link:hover { gap: 12px; color: var(--terracotta-light); }

/* ===== 方案时间轴 ===== */
.solution-section { background: var(--warm-white); }
.timeline {
  position: relative;
  padding: 20px 0;
  max-width: 880px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), rgba(185,138,68,0.10));
  transform: translateX(-50%);
}
.timeline-step {
  display: flex;
  align-items: flex-start;
  margin-bottom: 48px;
  position: relative;
  width: 100%;
}
.timeline-step:nth-child(odd) { flex-direction: row; }
.timeline-step:nth-child(even) { flex-direction: row-reverse; }
.timeline-node {
  position: absolute;
  left: 50%;
  top: 28px;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gold);
  border: 4px solid var(--page-bg);
  box-shadow: 0 0 0 2px var(--border-gold);
  z-index: 2;
}
.timeline-box {
  width: calc(50% - 40px);
  background: var(--page-bg);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  padding: 24px 28px;
  transition: box-shadow 0.3s;
}
.timeline-box:hover { box-shadow: var(--shadow-card); }
.timeline-num {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 8px;
}
.timeline-box h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--green-dark);
}
.timeline-box p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.6; }
.timeline-link {
  display: inline-block;
  font-size: 14px;
  color: var(--terracotta);
  margin-top: 10px;
  font-weight: 500;
}
.timeline-link:hover { color: var(--terracotta-light); }

/* ===== 资讯板块 ===== */
.news-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
}
.news-side h2 { color: var(--green-dark); margin-bottom: 16px; }
.news-side p { color: var(--text-muted); font-size: 15px; }
.news-all-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--terracotta);
  font-weight: 600;
  font-size: 15px;
}
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-card {
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  background: var(--warm-white);
  padding: 24px 28px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
.news-card .news-tag {
  display: inline-block;
  background: rgba(46,94,78,0.10);
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 2px 12px;
  border-radius: 50px;
  margin-bottom: 8px;
}
.news-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.news-card h4 a { color: var(--text-main); }
.news-card h4 a:hover { color: var(--green-mid); }
.news-card .news-summary { font-size: 14px; color: var(--text-muted); margin-bottom: 8px; }
.news-card .news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}
.news-card .news-read {
  color: var(--terracotta);
  font-weight: 600;
  font-size: 14px;
  transition: letter-spacing 0.3s;
}
.news-card .news-read:hover { letter-spacing: 1px; color: var(--terracotta-light); }
.news-empty {
  background: var(--warm-white);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}

/* ===== FAQ ===== */
.faq-section { background: var(--warm-white); }
.faq-wrap { max-width: 780px; margin: 0 auto; }
.accordion-item {
  border: none;
  background: transparent;
  border-bottom: 1px solid var(--border-strong);
}
.accordion-item:first-child { border-top: 1px solid var(--border-strong); }
.accordion-button {
  background: transparent !important;
  color: var(--green-dark) !important;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  padding: 22px 50px 22px 8px;
  position: relative;
  box-shadow: none !important;
}
.accordion-button:not(.collapsed) {
  font-weight: 700;
}
.accordion-button::after { display: none; }
.accordion-button::before {
  content: '+';
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  color: var(--green-dark);
  transition: transform 0.35s, background 0.3s;
}
.accordion-button:not(.collapsed)::before {
  content: '+';
  transform: translateY(-50%) rotate(45deg);
  background: var(--green-dark);
  color: var(--warm-white);
  border-color: var(--green-dark);
}
.accordion-body {
  padding: 4px 8px 24px 8px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  background: transparent !important;
}

/* ===== 联系板块 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 { color: var(--green-dark); margin-bottom: 32px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-item .icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--gradient-brand);
  color: var(--warm-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-item .label { font-size: 13px; color: var(--text-muted); margin-bottom: 2px; }
.contact-item .value { font-size: 16px; font-weight: 500; color: var(--text-main); }
.contact-form-card {
  background: var(--warm-white);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
}
.contact-form-card h3 { font-size: 24px; color: var(--green-dark); margin-bottom: 20px; font-family: var(--font-heading); }
.contact-form-card .form-label { font-size: 14px; font-weight: 600; color: var(--text-main); margin-bottom: 6px; }
.contact-form-card .form-control {
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.contact-form-card .form-control:focus {
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(58,122,104,0.12);
}
.contact-form-card textarea { min-height: 110px; resize: vertical; }
.btn-submit {
  display: block;
  width: 100%;
  background: var(--gradient-accent);
  border: none;
  color: var(--warm-white);
  font-size: 16px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  margin-top: 12px;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: var(--shadow-btn); }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark-green);
  color: rgba(250,246,239,0.75);
  padding: 64px 0 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--warm-white);
  margin-bottom: 12px;
}
.footer-desc { line-height: 1.7; font-size: 14px; margin-bottom: 16px; }
.footer-title { font-size: 16px; font-weight: 600; color: var(--warm-white); margin-bottom: 16px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: rgba(250,246,239,0.75); transition: color 0.3s, padding-left 0.3s; }
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-contact p { margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.footer-contact i { color: var(--gold); width: 18px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  color: rgba(250,246,239,0.5);
  font-size: 13px;
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) { 
  .container { max-width: 960px; }
  .hero-grid { gap: 40px; }
  .stat-circle { width: 140px; height: 140px; }
  .stat-number { font-size: 38px; }
  .news-grid { grid-template-columns: 1fr; }
  .case-figure { height: 220px; }
}
@media (max-width: 991px) {
  .container { max-width: 720px; }
  .hero-section { min-height: auto; padding: 60px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-content h1 { font-size: 38px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card-lg { grid-row: auto; }
  .case-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .timeline::before { left: 16px; transform: none; }
  .timeline-node { left: 16px; transform: translateX(-50%); }
  .timeline-box {
    width: calc(100% - 48px);
    margin-left: 48px;
  }
  .timeline-step:nth-child(odd),
  .timeline-step:nth-child(even) { flex-direction: column; }
  .section { padding: 64px 0; }
  :root { --section-space: 64px; }
}
@media (max-width: 767px) {
  .container { max-width: 100%; padding: 0 16px; }
  h1 { font-size: 30px; }
  h2 { font-size: 28px; }
  .header-top-inner { flex-direction: column; align-items: flex-start; }
  .header-actions { width: 100%; justify-content: space-between; }
  .header-search { flex: 1; }
  .header-search input { width: 100%; }
  .hero-content h1 { font-size: 32px; }
  .hero-actions .btn-primary-custom, .hero-actions .btn-secondary-custom { display: block; width: 100%; text-align: center; }
  .stats-grid { gap: 24px; }
  .stat-circle { width: 120px; height: 120px; }
  .stat-number { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr; }
  .news-card { padding: 20px; }
  .contact-form-card { padding: 28px 20px; }
  .login-card { padding: 32px 24px; }
  .case-content { padding: 20px; }
  .service-card, .service-card-sm { padding: 22px 20px; }
  .timeline-box { width: calc(100% - 40px); margin-left: 40px; padding: 18px 16px; }
  .btn-primary-custom, .btn-secondary-custom { padding: 14px 24px; font-size: 15px; }
  .site-footer { padding-top: 48px; }
  .header-top { min-height: auto; }
}
@media (max-width: 520px) {
  .brand-main { font-size: 24px; }
  .brand-sub { font-size: 12px; }
  .btn-login-cta { padding: 9px 18px; font-size: 14px; }
  .nav-tab { padding: 6px 16px; font-size: 14px; }
  .header-nav { min-height: 44px; }
  .hero-actions { flex-direction: column; }
  .timeline-box { width: calc(100% - 8px); margin-left: 36px; }
  .stat-circle { width: 100px; height: 100px; }
  .stat-number { font-size: 28px; }
}

/* roulang page: category1 */
:root {
            --primary: #2E5E4E;
            --primary-light: #3A7A68;
            --primary-lighter: #4C9B85;
            --accent: #C46A4A;
            --accent-light: #D98A6C;
            --bg-warm: #FAF6EF;
            --bg-page: #F7F2EA;
            --dark: #1E2A25;
            --gold: #B98A44;
            --text: #2B2B2B;
            --text-weak: #6B6B6B;
            --white: #FAF6EF;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow: 0 10px 30px rgba(46, 94, 78, 0.12);
            --shadow-hover: 0 16px 40px rgba(46, 94, 78, 0.20);
            --gradient-brand: linear-gradient(135deg, #2E5E4E 0%, #3A7A68 55%, #4C9B85 100%);
            --gradient-accent: linear-gradient(135deg, #C46A4A, #D98A6C);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            font-size: 17px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg-page);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

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

        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 24px;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
        }

        h1 {
            font-size: 44px;
            line-height: 1.2;
        }

        h2 {
            font-size: 34px;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        h3 {
            font-size: 22px;
            line-height: 1.4;
        }

        p {
            margin-bottom: 16px;
            line-height: 1.8;
        }

        .section-padding {
            padding: 104px 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--text-weak);
            font-size: 17px;
            max-width: 640px;
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--bg-warm);
            border-bottom: 1px solid rgba(46, 94, 78, 0.12);
            position: relative;
            z-index: 100;
        }

        .header-top {
            background: var(--bg-warm);
            border-bottom: 1px solid rgba(46, 94, 78, 0.08);
        }

        .header-top-inner {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand-logo {
            display: flex;
            align-items: baseline;
            gap: 6px;
            flex-shrink: 0;
        }

        .brand-main {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 2px;
        }

        .brand-sub {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-weak);
            letter-spacing: 1px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .header-search {
            display: flex;
            align-items: center;
            border-bottom: 2px solid rgba(46, 94, 78, 0.25);
            padding: 4px 0;
            transition: border-color 0.3s ease;
            background: transparent;
        }

        .header-search:focus-within {
            border-bottom-color: var(--gold);
        }

        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            width: 180px;
            color: var(--text);
            padding: 4px 0;
        }

        .header-search input::placeholder {
            color: var(--text-weak);
        }

        .header-search button {
            background: transparent;
            border: none;
            color: var(--primary);
            font-size: 14px;
            padding: 4px 8px;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .header-search button:hover {
            color: var(--accent);
        }

        .btn-login-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--gradient-accent);
            color: var(--bg-warm);
            font-size: 15px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            box-shadow: 0 6px 18px rgba(196, 106, 74, 0.25);
            transition: all 0.3s ease;
            white-space: nowrap;
            border: none;
        }

        .btn-login-cta:hover {
            color: var(--bg-warm);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(196, 106, 74, 0.35);
            filter: brightness(1.05);
        }

        .btn-login-cta:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        .header-nav {
            background: var(--gradient-brand);
            border-bottom: none;
        }

        .nav-tabs-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-top: 6px;
            padding-bottom: 6px;
            min-height: 48px;
        }

        .nav-tabs-wrap::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-block;
            color: rgba(250, 246, 239, 0.8);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 18px;
            border-radius: 50px;
            transition: all 0.3s ease;
            white-space: nowrap;
            border: none;
            background: transparent;
        }

        .nav-tab:hover {
            color: var(--bg-warm);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .nav-tab.active {
            background: var(--bg-warm);
            color: var(--primary);
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(30, 42, 37, 0.15);
        }

        .nav-tab.active:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            padding: 80px 0;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(30, 42, 37, 0.85), rgba(46, 94, 78, 0.55));
            z-index: 1;
        }

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

        .hero-content {
            max-width: 720px;
            color: var(--bg-warm);
        }

        .hero-content h1 {
            color: var(--bg-warm);
            margin-bottom: 16px;
        }

        .hero-sub {
            font-size: 19px;
            line-height: 1.8;
            color: rgba(250, 246, 239, 0.92);
            margin-bottom: 32px;
            max-width: 600px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            border: none;
            transition: all 0.3s ease;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--gradient-accent);
            color: var(--bg-warm);
            box-shadow: 0 8px 22px rgba(196, 106, 74, 0.25);
        }

        .btn-primary:hover {
            color: var(--bg-warm);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(196, 106, 74, 0.35);
            filter: brightness(1.04);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            color: var(--bg-warm);
            border: 1.5px solid rgba(250, 246, 239, 0.6);
        }

        .btn-outline:hover {
            background: var(--bg-warm);
            color: var(--primary);
            border-color: var(--bg-warm);
            transform: translateY(-2px);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 17px;
        }

        /* ===== Stats ===== */
        .stats-section {
            background: linear-gradient(135deg, #F1EBDE 0%, #FAF6EF 60%, #F5EFE4 100%);
            padding: 64px 0;
            border-bottom: 1px solid rgba(46, 94, 78, 0.08);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 28px 16px;
            background: var(--bg-warm);
            border-radius: 28px;
            border: 1px solid rgba(185, 138, 68, 0.35);
            box-shadow: var(--shadow);
        }

        .stat-number {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 46px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-weak);
            margin-top: 8px;
        }

        /* ===== Login Modes ===== */
        .login-modes {
            background: var(--bg-page);
        }

        .login-mode-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            grid-template-rows: auto auto;
            gap: 28px;
        }

        .mode-card-large {
            grid-column: span 4;
            grid-row: span 2;
            background: var(--bg-warm);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(46, 94, 78, 0.10);
            box-shadow: var(--shadow);
            padding: 40px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .mode-card-small {
            background: var(--bg-warm);
            border-radius: var(--radius-md);
            border: 1px solid rgba(46, 94, 78, 0.10);
            box-shadow: var(--shadow);
            padding: 24px 28px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .mode-card-small-1 {
            grid-column: span 2;
        }

        .mode-card-small-2 {
            grid-column: span 2;
        }

        .mode-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            background: rgba(46, 94, 78, 0.08);
            color: var(--primary);
        }

        .mode-icon-accent {
            background: rgba(196, 106, 74, 0.10);
            color: var(--accent);
        }

        .mode-card-large h3 {
            margin-bottom: 8px;
        }

        .mode-card-large p {
            color: var(--text-weak);
            margin-bottom: 20px;
            max-width: 420px;
        }

        .mode-card-small h4 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--primary);
        }

        .mode-card-small p {
            font-size: 15px;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        .mode-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 15px;
            transition: gap 0.3s ease;
        }

        .mode-link:hover {
            gap: 10px;
            color: var(--accent-light);
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--dark);
            color: var(--bg-warm);
        }

        .process-section .section-header h2 {
            color: var(--bg-warm);
        }

        .process-section .section-header p {
            color: rgba(250, 246, 239, 0.75);
        }

        .process-timeline {
            position: relative;
            padding-left: 0;
            margin: 0;
            list-style: none;
            max-width: 780px;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: rgba(185, 138, 68, 0.4);
        }

        .process-item {
            position: relative;
            padding-left: 64px;
            padding-bottom: 48px;
        }

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

        .process-node {
            position: absolute;
            left: 12px;
            top: 4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--gold);
            border: 3px solid rgba(250, 246, 239, 0.25);
            box-shadow: 0 0 0 4px rgba(185, 138, 68, 0.25);
        }

        .process-num {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 14px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 1px;
            margin-bottom: 4px;
        }

        .process-item h3 {
            color: var(--bg-warm);
            font-size: 22px;
            margin-bottom: 8px;
        }

        .process-item p {
            color: rgba(250, 246, 239, 0.72);
            font-size: 16px;
            margin-bottom: 0;
        }

        /* ===== Scenario ===== */
        .scenario-section {
            background: var(--bg-page);
        }

        .scenario-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 88px;
        }

        .scenario-block:last-child {
            margin-bottom: 0;
        }

        .scenario-block.reverse .scenario-img {
            order: 2;
        }

        .scenario-block.reverse .scenario-text {
            order: 1;
        }

        .scenario-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 10;
            transition: transform 0.4s ease;
        }

        .scenario-img:hover img {
            transform: scale(1.05);
        }

        .scenario-text h3 {
            color: var(--primary);
            margin-bottom: 12px;
        }

        .scenario-text p {
            color: var(--text-weak);
            margin-bottom: 16px;
            font-size: 16px;
        }

        .scenario-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 14px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(46, 94, 78, 0.08);
            color: var(--primary);
            border: 1px solid rgba(46, 94, 78, 0.12);
        }

        /* ===== Security ===== */
        .security-section {
            background: var(--bg-warm);
            border-top: 1px solid rgba(46, 94, 78, 0.08);
            border-bottom: 1px solid rgba(46, 94, 78, 0.08);
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .security-card {
            background: var(--bg-warm);
            border-radius: var(--radius-md);
            border: 1px solid rgba(46, 94, 78, 0.10);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .security-card .icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(185, 138, 68, 0.14);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
        }

        .security-card h3 {
            font-size: 19px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .security-card p {
            font-size: 15px;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-page);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion {
            --bs-accordion-border-width: 0;
            --bs-accordion-border-radius: 0;
            --bs-accordion-inner-border-radius: 0;
            --bs-accordion-bg: transparent;
        }

        .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid rgba(46, 94, 78, 0.15);
            border-radius: 0 !important;
        }

        .accordion-item:first-child {
            border-top: 1px solid rgba(46, 94, 78, 0.15);
        }

        .accordion-button {
            background: transparent;
            box-shadow: none;
            padding: 24px 56px 24px 0;
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 19px;
            font-weight: 600;
            color: var(--primary);
            border: none;
            border-radius: 0;
            position: relative;
            transition: color 0.3s ease;
        }

        .accordion-button:hover {
            color: var(--primary-light);
        }

        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--primary);
            font-weight: 700;
            box-shadow: none;
        }

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

        .faq-icon {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(46, 94, 78, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            transition: background 0.3s ease, color 0.3s ease;
        }

        .accordion-button:not(.collapsed) .faq-icon {
            background: var(--primary);
            color: var(--bg-warm);
        }

        .accordion-button .faq-icon i {
            transition: transform 0.3s ease;
        }

        .accordion-button:not(.collapsed) .faq-icon i {
            transform: rotate(45deg);
        }

        .accordion-body {
            padding: 0 40px 24px 0;
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.8;
            background: transparent;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 104px 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(30, 42, 37, 0.88), rgba(46, 94, 78, 0.70));
            z-index: 1;
        }

        .cta-card {
            position: relative;
            z-index: 2;
            text-align: center;
            color: var(--bg-warm);
            max-width: 700px;
            margin: 0 auto;
            padding: 48px 40px;
            background: rgba(250, 246, 239, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(250, 246, 239, 0.18);
            backdrop-filter: blur(6px);
        }

        .cta-card h2 {
            color: var(--bg-warm);
            font-size: 34px;
            margin-bottom: 16px;
        }

        .cta-card p {
            color: rgba(250, 246, 239, 0.82);
            font-size: 17px;
            margin-bottom: 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(250, 246, 239, 0.72);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 22px;
            font-weight: 700;
            color: var(--bg-warm);
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(250, 246, 239, 0.6);
            max-width: 260px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--bg-warm);
            margin-bottom: 16px;
        }

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

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

        .footer-links a {
            color: rgba(250, 246, 239, 0.6);
            font-size: 15px;
            text-decoration: none;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

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

        .footer-contact p {
            margin-bottom: 10px;
            font-size: 15px;
            color: rgba(250, 246, 239, 0.6);
        }

        .footer-contact p i {
            width: 22px;
            color: var(--gold);
            margin-right: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(250, 246, 239, 0.10);
            padding: 20px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(250, 246, 239, 0.4);
        }

        .footer-bottom p {
            margin-bottom: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .container {
                max-width: 960px;
            }
            .page-hero {
                min-height: 440px;
            }
        }

        @media (max-width: 991.98px) {
            .container {
                max-width: 720px;
            }
            .page-hero {
                min-height: auto;
                padding: 60px 0;
            }
            .hero-content h1 {
                font-size: 36px;
            }
            .hero-sub {
                font-size: 17px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .login-mode-grid {
                grid-template-columns: 1fr;
            }
            .mode-card-large {
                grid-column: span 1;
                grid-row: auto;
            }
            .mode-card-small-1,
            .mode-card-small-2 {
                grid-column: span 1;
            }
            .scenario-block,
            .scenario-block.reverse {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .scenario-block.reverse .scenario-img {
                order: 1;
            }
            .scenario-block.reverse .scenario-text {
                order: 2;
            }
            .security-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                max-width: 540px;
                padding: 0 20px;
            }
            .section-padding {
                padding: 64px 0;
            }
            h1 {
                font-size: 30px;
            }
            h2 {
                font-size: 26px;
            }
            .header-top-inner {
                height: auto;
                padding: 14px 0;
                flex-wrap: wrap;
                gap: 12px;
            }
            .brand-main {
                font-size: 22px;
            }
            .header-actions {
                width: 100%;
                gap: 10px;
            }
            .header-search input {
                width: 100px;
            }
            .btn-login-cta {
                font-size: 14px;
                padding: 8px 16px;
            }
            .header-nav {
                width: 100%;
            }
            .nav-tabs-wrap {
                flex-wrap: nowrap;
                overflow-x: auto;
            }
            .nav-tab {
                font-size: 14px;
                padding: 6px 14px;
            }
            .page-hero {
                padding: 48px 0;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn {
                width: 100%;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 36px;
            }
            .mode-card-large {
                padding: 28px 24px;
                border-radius: 16px;
            }
            .mode-card-small {
                padding: 20px 24px;
                border-radius: 16px;
            }
            .process-item {
                padding-left: 52px;
                padding-bottom: 36px;
            }
            .process-timeline::before {
                left: 16px;
            }
            .process-node {
                left: 9px;
                width: 14px;
                height: 14px;
            }
            .scenario-block {
                margin-bottom: 64px;
            }
            .cta-section {
                padding: 64px 0;
            }
            .cta-card {
                padding: 32px 24px;
                border-radius: 16px;
            }
            .cta-card h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
            .footer-desc {
                max-width: 100%;
            }
            .accordion-button {
                font-size: 17px;
                padding: 20px 48px 20px 0;
            }
            .accordion-body {
                padding-right: 24px;
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .brand-main {
                font-size: 20px;
            }
            .brand-sub {
                font-size: 12px;
            }
            .header-search input {
                width: 90px;
                font-size: 13px;
            }
            .btn-login-cta {
                font-size: 13px;
                padding: 8px 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
                border-radius: 20px;
            }
            .stat-number {
                font-size: 30px;
            }
            .stat-label {
                font-size: 13px;
            }
            .mode-card-large,
            .mode-card-small {
                padding: 20px 18px;
            }
            .scenario-tags {
                flex-wrap: wrap;
            }
            .footer-grid {
                gap: 24px;
            }
        }

/* roulang page: article */
:root {
            --primary: #2E5E4E;
            --primary-light: #3A7A68;
            --primary-lighter: #4C9B85;
            --accent: #C46A4A;
            --accent-light: #D98A6C;
            --bg-warm: #FAF6EF;
            --bg-page: #F7F2EA;
            --dark: #1E2A25;
            --gold: #B98A44;
            --text: #2B2B2B;
            --text-weak: #6B6B6B;
            --text-white: #FAF6EF;
            --border: rgba(46, 94, 78, 0.10);
            --border-strong: rgba(46, 94, 78, 0.15);
            --radius-lg: 20px;
            --radius-sm: 14px;
            --radius-pill: 50px;
            --shadow: 0 10px 30px rgba(46, 94, 78, 0.12);
            --shadow-hover: 0 16px 40px rgba(46, 94, 78, 0.20);
            --shadow-accent: 0 8px 24px rgba(196, 106, 74, 0.25);
            --gradient-brand: linear-gradient(135deg, #2E5E4E 0%, #3A7A68 55%, #4C9B85 100%);
            --gradient-accent: linear-gradient(135deg, #C46A4A, #D98A6C);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-page);
            color: var(--text);
            font-size: 17px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header ========== */
        .site-header {
            position: relative;
            z-index: 100;
            background: var(--bg-warm);
            box-shadow: 0 4px 20px rgba(46, 94, 78, 0.06);
        }
        .header-top {
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border);
        }
        .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 24px;
            flex-wrap: nowrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .brand-main {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 800;
            line-height: 1;
            color: var(--primary);
            letter-spacing: 2px;
        }
        .brand-sub {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-weak);
            border-left: 2px solid var(--gold);
            padding-left: 10px;
            line-height: 1.4;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 1;
            justify-content: flex-end;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: 50px;
            border: 1px solid rgba(46, 94, 78, 0.12);
            padding: 0 16px;
            min-height: 40px;
            width: 260px;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .header-search:focus-within {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(185, 138, 68, 0.15);
        }
        .header-search input {
            border: none;
            background: transparent;
            flex: 1;
            font-size: 14px;
            color: var(--text);
            outline: none;
            padding: 0;
        }
        .header-search button {
            border: none;
            background: transparent;
            color: var(--primary);
            cursor: pointer;
            font-size: 15px;
            padding: 6px 0 6px 12px;
            transition: color 0.2s;
        }
        .header-search button:hover {
            color: var(--accent);
        }
        .btn-login-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient-accent);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 50px;
            box-shadow: var(--shadow-accent);
            white-space: nowrap;
            transition: all 0.3s ease;
            text-decoration: none;
            border: none;
        }
        .btn-login-cta:hover {
            transform: translateY(-2px);
            filter: brightness(1.06);
            box-shadow: 0 12px 28px rgba(196, 106, 74, 0.35);
            color: #fff;
        }
        .btn-login-cta:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(185, 138, 68, 0.45);
        }
        .header-nav {
            background: var(--dark);
        }
        .nav-tabs-wrap {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            min-height: 48px;
        }
        .nav-tabs-wrap::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 10px 24px;
            color: rgba(250, 246, 239, 0.78);
            font-size: 15px;
            font-weight: 600;
            border-radius: 50px;
            white-space: nowrap;
            text-decoration: none;
            transition: all 0.3s ease;
            border: none;
            background: transparent;
        }
        .nav-tab:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-tab.active {
            background: var(--bg-warm);
            color: var(--primary);
            font-weight: 700;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 14px;
        }
        .breadcrumb-nav li {
            display: inline-flex;
            align-items: center;
        }
        .breadcrumb-nav a {
            color: var(--text-weak);
            text-decoration: none;
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .sep {
            color: rgba(107, 107, 107, 0.5);
        }
        .breadcrumb-nav .current {
            color: var(--text);
            font-weight: 600;
            max-width: 280px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: inline-block;
            vertical-align: bottom;
        }

        /* ========== Article Header ========== */
        .article-header-section {
            padding: 76px 0 64px;
            background: linear-gradient(110deg, rgba(30, 42, 37, 0.88), rgba(46, 94, 78, 0.68)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            color: var(--text-white);
            border-bottom: 4px solid var(--gold);
        }
        .article-header-inner {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }
        .article-title {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 800;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 22px;
            font-size: 14px;
            color: rgba(250, 246, 239, 0.85);
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item i {
            color: var(--gold);
        }
        .article-summary {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(250, 246, 239, 0.96);
            max-width: 680px;
            margin: 0 auto;
        }

        /* ========== Article Body ========== */
        .article-main-section {
            padding: 56px 0 32px;
        }
        .article-layout {
            max-width: 860px;
            margin: 0 auto;
        }
        .article-body {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 56px 64px;
            font-size: 17px;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin: 48px 0 20px;
            line-height: 1.4;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }
        .article-body h2:first-child {
            margin-top: 0;
        }
        .article-body h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-light);
            margin: 36px 0 16px;
            line-height: 1.5;
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body ul,
        .article-body ol {
            margin: 20px 0 20px 24px;
            padding-left: 16px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-warm);
            margin: 32px 0;
            padding: 22px 28px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text);
        }
        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
            margin: 32px auto;
            display: block;
            box-shadow: var(--shadow);
        }
        .article-body a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        .article-body a:hover {
            color: var(--primary);
        }
        .article-body code {
            background: var(--bg-warm);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 0.9em;
            color: var(--accent);
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--border-strong);
            margin: 40px 0;
        }
        .article-empty {
            text-align: center;
            padding: 80px 20px;
        }
        .article-empty i {
            font-size: 52px;
            color: var(--primary-lighter);
            margin-bottom: 20px;
            display: block;
        }
        .article-empty p {
            font-size: 18px;
            color: var(--text-weak);
            margin-bottom: 28px;
        }

        /* ========== Article Extra ========== */
        .article-extra-section {
            padding: 16px 0 24px;
        }
        .article-extra {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 28px 36px;
        }
        .article-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            margin-right: 4px;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 5px 16px;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .tag-item:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }
        .article-pager {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .pager-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(46, 94, 78, 0.06);
            padding: 10px 22px;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .pager-link:hover {
            background: var(--primary);
            color: var(--text-white);
        }
        .pager-link i {
            font-size: 13px;
        }

        /* ========== Related Section ========== */
        .related-section {
            padding: 72px 0 32px;
        }
        .related-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
        }
        .related-header h2 {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 700;
            color: var(--primary);
            margin: 0;
        }
        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--accent);
            text-decoration: none;
        }
        .more-link:hover {
            color: var(--primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            text-decoration: none;
            color: var(--text);
            display: block;
            transition: all 0.35s ease;
            border: 1px solid var(--border);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            color: inherit;
        }
        .related-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .related-img img {
            transform: scale(1.05);
        }
        .related-info {
            padding: 24px;
        }
        .related-cat {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(196, 106, 74, 0.10);
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
        }
        .related-info h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--text);
        }
        .related-info p {
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-weak);
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-time {
            font-size: 13px;
            color: var(--text-weak);
        }

        /* ========== Article CTA ========== */
        .article-cta-section {
            padding: 64px 0 96px;
        }
        .cta-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            padding: 52px 64px;
            border-radius: 24px;
            background: var(--gradient-brand);
            color: var(--text-white);
            box-shadow: var(--shadow);
            flex-wrap: wrap;
        }
        .cta-content h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .cta-content p {
            font-size: 16px;
            color: rgba(250, 246, 239, 0.85);
            margin: 0;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 30px;
            border: none;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--gradient-accent);
            color: #fff;
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            filter: brightness(1.06);
            box-shadow: 0 12px 28px rgba(196, 106, 74, 0.35);
            color: #fff;
        }
        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(185, 138, 68, 0.5);
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(250, 246, 239, 0.55);
            color: var(--text-white);
        }
        .btn-outline-light:hover {
            background: rgba(250, 246, 239, 0.12);
            border-color: var(--text-white);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 14px 38px;
            font-size: 16px;
        }
        .btn-outline-primary {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 94, 78, 0.3);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: var(--text-white);
            padding: 72px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 56px;
            padding-bottom: 48px;
        }
        .footer-brand {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text-white);
            letter-spacing: 1px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(250, 246, 239, 0.6);
            max-width: 300px;
            margin: 0;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(250, 246, 239, 0.65);
            font-size: 15px;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(250, 246, 239, 0.7);
            font-size: 15px;
            margin-bottom: 10px;
        }
        .footer-contact i {
            color: var(--gold);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(250, 246, 239, 0.5);
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199.98px) {
            .container {
                max-width: 960px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 991.98px) {
            .container {
                max-width: 720px;
            }
            .article-header-section {
                padding: 56px 0 48px;
            }
            .article-title {
                font-size: 36px;
            }
            .article-body {
                padding: 40px 36px;
            }
            .cta-box {
                padding: 40px 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 767.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .header-top-inner {
                flex-wrap: wrap;
                gap: 12px;
                padding: 10px 0;
            }
            .header-actions {
                flex: 1 1 100%;
                justify-content: space-between;
                gap: 10px;
            }
            .header-search {
                flex: 1;
                width: auto;
                min-height: 40px;
            }
            .header-search input {
                width: 100%;
            }
            .btn-login-cta {
                padding: 10px 18px;
                font-size: 13px;
            }
            .brand-main {
                font-size: 22px;
            }
            .brand-sub {
                font-size: 11px;
            }
            .nav-tab {
                padding: 10px 16px;
                font-size: 14px;
            }
            .article-header-section {
                padding: 44px 0 40px;
            }
            .article-title {
                font-size: 30px;
            }
            .article-meta {
                gap: 12px;
                flex-direction: column;
                align-items: center;
            }
            .article-summary {
                font-size: 15px;
            }
            .article-main-section {
                padding: 24px 0;
            }
            .article-body {
                padding: 24px 20px;
                border-radius: 16px;
            }
            .article-body h2 {
                font-size: 24px;
            }
            .article-body h3 {
                font-size: 20px;
            }
            .article-extra {
                padding: 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .article-pager {
                width: 100%;
                justify-content: space-between;
            }
            .related-section {
                padding: 48px 0 24px;
            }
            .related-header h2 {
                font-size: 26px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
                gap: 24px;
            }
            .cta-content h2 {
                font-size: 26px;
            }
            .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                padding: 16px 0;
            }
            .related-card {
                display: flex;
                flex-direction: row;
                align-items: stretch;
            }
            .related-img {
                width: 120px;
                flex-shrink: 0;
            }
            .related-info {
                padding: 16px 18px;
            }
            .related-info p {
                display: none;
            }
            .related-info h3 {
                font-size: 16px;
            }
        }
        @media (max-width: 480px) {
            .brand-sub {
                display: none;
            }
            .header-search {
                min-height: 40px;
                padding: 0 12px;
            }
            .header-search input {
                font-size: 13px;
            }
            .btn-login-cta {
                gap: 6px;
                padding: 10px 14px;
            }
            .btn-login-cta i {
                display: none;
            }
            .nav-tab {
                padding: 8px 14px;
                font-size: 13px;
            }
            .article-meta {
                font-size: 13px;
            }
            .pager-link {
                padding: 8px 16px;
                font-size: 13px;
            }
        }
        @media (min-width: 768px) and (max-width: 991.98px) {
            .related-img {
                aspect-ratio: 16 / 10;
            }
        }

/* roulang page: category2 */
:root {
        --primary: #2E5E4E;
        --primary-light: #3A7A68;
        --primary-lighter: #4C9B85;
        --accent: #C46A4A;
        --accent-light: #D98A6C;
        --bg-warm: #FAF6EF;
        --bg-page: #F7F2EA;
        --bg-dark: #1E2A25;
        --gold: #B98A44;
        --text: #2B2B2B;
        --text-weak: #6B6B6B;
        --text-white: #FAF6EF;
        --border-card: rgba(46, 94, 78, 0.10);
        --border-line: rgba(46, 94, 78, 0.15);
        --border-gold: rgba(185, 138, 68, 0.45);
        --radius-lg: 20px;
        --radius-sm: 14px;
        --radius-pill: 50px;
        --shadow: 0 10px 30px rgba(46, 94, 78, 0.12);
        --shadow-hover: 0 16px 40px rgba(46, 94, 78, 0.20);
        --shadow-btn: rgba(196, 106, 74, 0.25);
        --gradient-brand: linear-gradient(135deg, #2E5E4E 0%, #3A7A68 55%, #4C9B85 100%);
        --gradient-accent: linear-gradient(135deg, #C46A4A, #D98A6C);
        --gradient-hero: linear-gradient(110deg, rgba(30, 42, 37, 0.82), rgba(46, 94, 78, 0.55));
        --font-head: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
        --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'Microsoft YaHei', sans-serif;
        --space-section: 104px;
        --space-mobile: 64px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-body);
        background: var(--bg-page);
        color: var(--text);
        font-size: 17px;
        line-height: 1.8;
        margin: 0;
        padding: 0;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-family: var(--font-head);
        color: var(--text);
        margin: 0 0 16px;
        line-height: 1.3;
    }

    p {
        margin: 0 0 16px;
    }

    a {
        color: var(--primary);
        text-decoration: none;
        transition: color 0.25s ease;
    }

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

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

    .container {
        max-width: 1140px;
        margin: 0 auto;
        padding-left: 20px;
        padding-right: 20px;
    }

    /* ===== Header ===== */
    .site-header {
        background: var(--bg-warm);
        border-bottom: 1px solid var(--border-line);
        box-shadow: 0 2px 12px rgba(30, 42, 37, 0.06);
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .header-top {
        height: 64px;
        display: flex;
        align-items: center;
        background: var(--bg-warm);
    }

    .header-top-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        gap: 24px;
    }

    .brand-logo {
        display: flex;
        align-items: baseline;
        gap: 6px;
        text-decoration: none;
        flex-shrink: 0;
    }

    .brand-main {
        font-family: var(--font-head);
        font-size: 28px;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: 1px;
    }

    .brand-sub {
        font-size: 14px;
        font-weight: 400;
        color: var(--text-weak);
        letter-spacing: 2px;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .header-search {
        display: flex;
        align-items: center;
        border-bottom: 1px solid var(--primary);
        padding-bottom: 2px;
        transition: border-color 0.3s;
    }

    .header-search:focus-within {
        border-bottom-color: var(--gold);
    }

    .header-search input {
        border: none;
        background: transparent;
        outline: none;
        width: 180px;
        font-size: 14px;
        color: var(--text);
        padding: 4px 0;
    }

    .header-search input::placeholder {
        color: var(--text-weak);
    }

    .header-search button {
        border: none;
        background: transparent;
        color: var(--primary);
        font-size: 14px;
        cursor: pointer;
        padding: 0 4px;
    }

    .btn-login-cta {
        display: inline-flex;
        align-items: center;
        background: var(--gradient-accent);
        color: var(--text-white);
        padding: 10px 26px;
        border-radius: var(--radius-pill);
        font-size: 15px;
        font-weight: 600;
        box-shadow: 0 6px 16px var(--shadow-btn);
        transition: transform 0.25s, box-shadow 0.25s, filter 0.25s;
        text-decoration: none;
        white-space: nowrap;
    }

    .btn-login-cta:hover {
        color: var(--text-white);
        transform: translateY(-2px);
        filter: brightness(1.06);
        box-shadow: 0 8px 22px rgba(196, 106, 74, 0.32);
    }

    .btn-login-cta:focus-visible {
        outline: 2px solid var(--gold);
        outline-offset: 2px;
    }

    .header-nav {
        background: var(--primary);
        height: 48px;
        display: flex;
        align-items: center;
    }

    .nav-tabs-wrap {
        display: flex;
        gap: 8px;
        align-items: center;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        white-space: nowrap;
    }

    .nav-tabs-wrap::-webkit-scrollbar {
        display: none;
    }

    .nav-tab {
        color: rgba(250, 246, 239, 0.82);
        font-size: 15px;
        font-weight: 500;
        padding: 7px 20px;
        border-radius: var(--radius-pill);
        text-decoration: none;
        transition: background 0.3s, color 0.3s, transform 0.2s;
        display: inline-block;
    }

    .nav-tab:hover {
        color: var(--text-white);
        background: rgba(255, 255, 255, 0.10);
    }

    .nav-tab.active {
        background: var(--bg-warm);
        color: var(--primary);
        font-weight: 600;
    }

    /* ===== Hero ===== */
    .page-hero {
        background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        position: relative;
        padding: 96px 0;
        color: var(--text-white);
    }

    .page-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: var(--gradient-hero);
    }

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

    .page-hero h1 {
        color: var(--text-white);
        font-size: 44px;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 18px;
    }

    .page-hero .hero-lead {
        font-size: 20px;
        max-width: 640px;
        color: rgba(250, 246, 239, 0.92);
        line-height: 1.8;
        margin-bottom: 32px;
    }

    .hero-badge {
        display: inline-block;
        background: rgba(255, 255, 255, 0.14);
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-pill);
        padding: 4px 16px;
        font-size: 13px;
        color: var(--text-white);
        margin-bottom: 18px;
        letter-spacing: 1px;
        backdrop-filter: blur(2px);
    }

    .hero-buttons {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }

    .btn-primary-custom {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--gradient-accent);
        color: var(--text-white);
        padding: 14px 36px;
        border-radius: var(--radius-pill);
        font-size: 15px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        box-shadow: 0 8px 20px var(--shadow-btn);
        transition: transform 0.25s, box-shadow 0.25s, filter 0.25s;
        text-decoration: none;
    }

    .btn-primary-custom:hover {
        color: var(--text-white);
        transform: translateY(-2px);
        filter: brightness(1.06);
        box-shadow: 0 10px 28px rgba(196, 106, 74, 0.35);
    }

    .btn-primary-custom:focus-visible {
        outline: 2px solid var(--gold);
        outline-offset: 3px;
    }

    .btn-outline-light {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: 1.5px solid var(--text-white);
        color: var(--text-white);
        padding: 13px 32px;
        border-radius: var(--radius-pill);
        font-size: 15px;
        font-weight: 500;
        cursor: pointer;
        transition: background 0.3s, color 0.3s, border-color 0.3s;
        text-decoration: none;
    }

    .btn-outline-light:hover {
        background: var(--text-white);
        color: var(--primary);
        border-color: var(--text-white);
    }

    .btn-outline-light:focus-visible {
        outline: 2px solid var(--gold);
        outline-offset: 3px;
    }

    /* ===== Section ===== */
    .section-block {
        padding: var(--space-section) 0;
    }

    .section-title-wrap {
        margin-bottom: 48px;
    }

    .section-title-wrap h2 {
        font-size: 34px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 12px;
        position: relative;
        display: inline-block;
    }

    .section-title-wrap h2::after {
        content: '';
        position: absolute;
        bottom: -6px;
        left: 0;
        width: 48px;
        height: 3px;
        background: var(--gradient-accent);
        border-radius: 4px;
    }

    .section-title-wrap .section-lead {
        font-size: 16px;
        color: var(--text-weak);
        max-width: 520px;
        line-height: 1.8;
    }

    /* ===== Service Cards ===== */
    .service-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 24px;
    }

    .service-card-large {
        grid-column: span 4;
        background: var(--bg-warm);
        border: 1px solid var(--border-card);
        border-radius: var(--radius-lg);
        padding: 36px 32px;
        box-shadow: var(--shadow);
        position: relative;
        overflow: hidden;
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .service-card-large::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: var(--gradient-accent);
    }

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

    .service-card-large .icon-wrap {
        width: 60px;
        height: 60px;
        border-radius: 16px;
        background: var(--gradient-brand);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-white);
        font-size: 24px;
        margin-bottom: 20px;
    }

    .service-card-large h3 {
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 14px;
    }

    .service-card-large p {
        color: var(--text-weak);
        font-size: 15px;
        line-height: 1.8;
        margin-bottom: 18px;
    }

    .card-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-weight: 600;
        font-size: 15px;
        color: var(--primary);
        text-decoration: none;
    }

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

    .service-card-small {
        grid-column: span 2;
        background: var(--bg-warm);
        border: 1px solid var(--border-card);
        border-radius: var(--radius-sm);
        padding: 28px 24px;
        box-shadow: 0 4px 14px rgba(46, 94, 78, 0.07);
        transition: transform 0.3s, box-shadow 0.3s;
    }

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

    .service-card-small .icon-sm {
        width: 46px;
        height: 46px;
        border-radius: 12px;
        background: rgba(46, 94, 78, 0.12);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        font-size: 20px;
        margin-bottom: 16px;
    }

    .service-card-small h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .service-card-small p {
        font-size: 14px;
        color: var(--text-weak);
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* ===== Process Timeline ===== */
    .process-section {
        background: var(--bg-warm);
        border-top: 1px solid var(--border-line);
        border-bottom: 1px solid var(--border-line);
    }

    .timeline {
        position: relative;
        list-style: none;
        margin: 0;
        padding: 0;
        max-width: 860px;
        margin-inline: auto;
    }

    .timeline::before {
        content: '';
        position: absolute;
        left: 24px;
        top: 0;
        bottom: 0;
        width: 2px;
        background: var(--border-line);
    }

    .timeline-item {
        position: relative;
        padding-left: 80px;
        margin-bottom: 36px;
    }

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

    .timeline-node {
        position: absolute;
        left: 14px;
        top: 6px;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: var(--gold);
        border: 4px solid var(--bg-warm);
        box-shadow: 0 0 0 2px rgba(185, 138, 68, 0.3);
    }

    .timeline-step {
        font-size: 13px;
        font-weight: 700;
        color: var(--gold);
        letter-spacing: 1px;
        margin-bottom: 4px;
        text-transform: uppercase;
    }

    .timeline-item h3 {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 8px;
    }

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

    /* ===== Scenarios ===== */
    .scenario-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }

    .scenario-image {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow);
    }

    .scenario-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
        transition: transform 0.5s ease;
    }

    .scenario-image:hover img {
        transform: scale(1.04);
    }

    .scenario-content h2 {
        font-size: 34px;
        font-weight: 700;
        margin-bottom: 18px;
        position: relative;
        padding-bottom: 14px;
    }

    .scenario-content h2::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 48px;
        height: 3px;
        background: var(--gradient-accent);
        border-radius: 4px;
    }

    .scenario-list {
        list-style: none;
        padding: 0;
        margin: 0 0 24px;
    }

    .scenario-list li {
        position: relative;
        padding-left: 28px;
        margin-bottom: 12px;
        font-size: 15px;
        line-height: 1.8;
        color: var(--text);
    }

    .scenario-list li::before {
        content: '\f00c';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        position: absolute;
        left: 0;
        top: 0;
        color: var(--primary);
        font-size: 14px;
    }

    /* ===== Stats ===== */
    .stats-section {
        background: linear-gradient(180deg, rgba(46, 94, 78, 0.06), rgba(76, 155, 133, 0.08));
        border-top: 1px solid var(--border-line);
        border-bottom: 1px solid var(--border-line);
    }

    .stats-grid {
        display: flex;
        justify-content: center;
        gap: 40px;
        flex-wrap: wrap;
    }

    .stat-item {
        text-align: center;
        min-width: 180px;
        padding: 32px 20px;
        background: var(--bg-warm);
        border: 1px solid var(--border-gold);
        border-radius: 28px;
        box-shadow: var(--shadow);
    }

    .stat-number {
        font-size: 46px;
        font-weight: 800;
        font-family: var(--font-head);
        color: var(--primary);
        line-height: 1.2;
    }

    .stat-label {
        font-size: 14px;
        color: var(--text-weak);
        margin-top: 8px;
    }

    /* ===== FAQ ===== */
    .faq-section {
        background: var(--bg-page);
    }

    .accordion {
        max-width: 820px;
        margin-inline: auto;
        border-top: 1px solid var(--border-line);
    }

    .accordion-item {
        background: transparent;
        border: none;
        border-bottom: 1px solid var(--border-line);
    }

    .accordion-button {
        background: transparent;
        color: var(--primary);
        font-size: 18px;
        font-weight: 600;
        padding: 24px 56px 24px 16px;
        position: relative;
        box-shadow: none;
        border: none;
        position: relative;
    }

    .accordion-button::after {
        content: '+';
        font-family: var(--font-body);
        font-size: 26px;
        font-weight: 400;
        color: var(--accent);
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        width: 32px;
        height: 32px;
        border-radius: 50%;
        border: 1px solid var(--border-card);
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--bg-warm);
        transition: transform 0.3s;
        background-image: none;
    }

    .accordion-button:not(.collapsed) {
        background: var(--bg-warm);
        color: var(--primary);
        font-weight: 700;
    }

    .accordion-button:not(.collapsed)::after {
        transform: translateY(-50%) rotate(45deg);
        color: var(--text-white);
        background: var(--accent);
        border-color: var(--accent);
    }

    .accordion-button:focus {
        box-shadow: none;
        outline: 2px solid var(--gold);
        outline-offset: -2px;
    }

    .accordion-body {
        padding: 8px 56px 28px 16px;
        font-size: 15px;
        color: var(--text-weak);
        line-height: 1.8;
        background: var(--bg-warm);
        border-radius: 0 0 14px 14px;
    }

    .accordion-body strong {
        color: var(--text);
    }

    /* ===== CTA ===== */
    .cta-section {
        background: var(--gradient-brand);
        padding: 80px 0;
        border-radius: 0;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 420px;
        height: 420px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.04);
    }

    .cta-section .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }

    .cta-section h2 {
        color: var(--text-white);
        font-size: 34px;
        font-weight: 700;
        margin-bottom: 14px;
    }

    .cta-section p {
        color: rgba(250, 246, 239, 0.88);
        font-size: 16px;
        max-width: 480px;
        margin: 0 auto 28px;
    }

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

    .btn-cta-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--gradient-accent);
        color: var(--text-white);
        padding: 14px 36px;
        border-radius: var(--radius-pill);
        font-size: 15px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        box-shadow: 0 8px 20px var(--shadow-btn);
        transition: transform 0.25s, box-shadow 0.25s, filter 0.25s;
        text-decoration: none;
    }

    .btn-cta-primary:hover {
        color: var(--text-white);
        transform: translateY(-2px);
        filter: brightness(1.08);
        box-shadow: 0 12px 28px rgba(196, 106, 74, 0.4);
    }

    .btn-cta-outline {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: 1.5px solid var(--text-white);
        color: var(--text-white);
        padding: 13px 32px;
        border-radius: var(--radius-pill);
        font-size: 15px;
        font-weight: 500;
        cursor: pointer;
        text-decoration: none;
        transition: background 0.3s, color 0.3s;
    }

    .btn-cta-outline:hover {
        background: var(--text-white);
        color: var(--primary);
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(250, 246, 239, 0.78);
        padding: 60px 0 0;
        font-size: 14px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1.5fr;
        gap: 48px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand {
        font-family: var(--font-head);
        font-size: 28px;
        font-weight: 800;
        color: var(--text-white);
        margin-bottom: 10px;
    }

    .footer-desc {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(250, 246, 239, 0.68);
        max-width: 320px;
    }

    .footer-title {
        font-size: 14px;
        font-weight: 700;
        color: var(--text-white);
        margin-bottom: 16px;
        letter-spacing: 1px;
    }

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

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

    .footer-links a {
        color: rgba(250, 246, 239, 0.68);
        font-size: 14px;
        text-decoration: none;
        transition: color 0.25s;
    }

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

    .footer-contact p {
        font-size: 14px;
        color: rgba(250, 246, 239, 0.68);
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .footer-contact i {
        color: var(--accent-light);
        width: 18px;
        font-size: 13px;
    }

    .footer-bottom {
        text-align: center;
        padding: 24px 0;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-bottom p {
        font-size: 13px;
        margin: 0;
        color: rgba(250, 246, 239, 0.5);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1199.98px) {
        .container {
            max-width: 960px;
            padding-left: 18px;
            padding-right: 18px;
        }

        .header-search input {
            width: 140px;
        }
    }

    @media (max-width: 991.98px) {
        .container {
            max-width: 720px;
        }

        .page-hero h1 {
            font-size: 36px;
        }

        .service-card-large {
            grid-column: span 6;
        }

        .service-card-small {
            grid-column: span 3;
        }

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

        .scenario-image {
            order: 2;
        }

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

        .footer-contact {
            grid-column: span 2;
        }
    }

    @media (max-width: 767.98px) {
        :root {
            --space-section: 64px;
        }

        .container {
            max-width: 100%;
            padding-left: 16px;
            padding-right: 16px;
        }

        .header-top {
            height: auto;
            padding: 14px 0;
        }

        .header-top-inner {
            align-items: center;
            flex-wrap: nowrap;
        }

        .brand-main {
            font-size: 22px;
        }

        .brand-sub {
            display: none;
        }

        .header-search {
            display: none;
        }

        .btn-login-cta {
            padding: 8px 16px;
            font-size: 13px;
        }

        .header-nav {
            height: 42px;
        }

        .nav-tab {
            font-size: 13px;
            padding: 6px 14px;
        }

        .page-hero {
            padding: 64px 0;
        }

        .page-hero h1 {
            font-size: 30px;
        }

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

        .section-title-wrap h2 {
            font-size: 26px;
        }

        .service-card-large {
            grid-column: span 6;
            padding: 24px 20px;
        }

        .service-card-small {
            grid-column: span 6;
        }

        .timeline::before {
            left: 16px;
        }

        .timeline-item {
            padding-left: 60px;
        }

        .timeline-node {
            left: 8px;
        }

        .stats-grid {
            gap: 16px;
        }

        .stat-item {
            min-width: 45%;
            padding: 24px 12px;
            border-radius: 20px;
        }

        .stat-number {
            font-size: 34px;
        }

        .accordion-button {
            font-size: 16px;
            padding-right: 48px;
        }

        .accordion-body {
            padding-right: 16px;
        }

        .cta-section {
            padding: 56px 0;
        }

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

        .hero-buttons {
            flex-direction: column;
            align-items: stretch;
        }

        .btn-primary-custom,
        .btn-outline-light {
            width: 100%;
        }

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

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

    @media (max-width: 520px) {
        .brand-main {
            font-size: 20px;
        }

        .btn-login-cta {
            font-size: 12px;
            padding: 7px 12px;
        }

        .btn-login-cta i {
            display: none;
        }

        .page-hero h1 {
            font-size: 26px;
        }

        .stat-item {
            min-width: 100%;
        }

        .timeline::before {
            left: 12px;
        }

        .timeline-node {
            left: 4px;
            width: 16px;
            height: 16px;
        }

        .timeline-item {
            padding-left: 40px;
        }

        .timeline-step {
            font-size: 12px;
        }

        .timeline-item h3 {
            font-size: 18px;
        }

        .timeline-item p {
            font-size: 14px;
        }

        .scenario-image {
            border-radius: 14px;
        }

        .section-block {
            padding: 48px 0;
        }

        .section-title-wrap {
            margin-bottom: 30px;
        }

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

        .service-card-large {
            padding: 22px 16px;
            border-radius: 16px;
        }

        .service-card-small {
            padding: 20px 16px;
            border-radius: 14px;
        }

        .stat-item {
            padding: 18px 12px;
        }
    }