/* roulang page: index */
:root {
  --primary: #0E4D4F;
  --primary-dark: #0A3C3E;
  --accent: #D9A441;
  --accent-light: #E0AE52;
  --bg: #F6F5F1;
  --dark: #121C1C;
  --text: #22261F;
  --text-muted: #6B7280;
  --border: #E2DFD8;
  --radius-card: 12px;
  --radius-btn: 6px;
  --radius-tag: 4px;
  --radius-img: 8px;
  --shadow-card: 0 2px 8px rgba(18, 28, 28, 0.06);
  --shadow-hover: 0 8px 24px rgba(18, 28, 28, 0.12);
  --sidebar-w: 240px;
  --font: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1320px;
  padding-left: 24px;
  padding-right: 24px;
}

.row {
  --bs-gutter-x: 24px;
  --bs-gutter-y: 24px;
}

button,
input,
select,
textarea {
  font-family: var(--font);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== 侧边栏 ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--dark);
  z-index: 1040;
  display: flex;
  flex-direction: column;
  padding: 32px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 8px 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 28px;
  color: #fff;
  text-decoration: none;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: var(--dark);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
}

.brand-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-info strong {
  font-size: 17px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.brand-info span {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.side-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.side-link i {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

.side-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.side-link.active {
  color: #fff;
  background: rgba(217, 164, 65, 0.12);
  border-left-color: var(--accent);
  font-weight: 600;
}

.sidebar-footer {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.side-tel {
  margin-bottom: 16px;
}

.side-tel span {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 4px;
}

.side-tel a {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}

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

/* ===== 移动端导航 ===== */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 1050;
  box-shadow: 0 2px 12px rgba(18, 28, 28, 0.06);
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.mobile-brand-icon {
  width: 34px;
  height: 34px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
}

.mobile-brand span:last-child {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.mobile-toggle {
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.mobile-toggle:hover {
  background: var(--bg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--dark);
  z-index: 1045;
  flex-direction: column;
  padding: 32px 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-link {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-decoration: none;
  line-height: 1.4;
}

.mobile-menu-link:hover,
.mobile-menu-link.active {
  color: var(--accent);
}

.mobile-menu-btn {
  margin-top: 32px;
}

/* ===== 主容器 ===== */
.main-wrapper {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: var(--dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 80px 0;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(18, 28, 28, 0.94) 0%, rgba(18, 28, 28, 0.78) 100%);
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(217, 164, 65, 0.14);
  border: 1px solid rgba(217, 164, 65, 0.35);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 32px;
}

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

.hero-visual {
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid rgba(217, 164, 65, 0.5);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
  max-height: 400px;
}

/* ===== 通用区块 ===== */
.section {
  padding: 96px 0;
}

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

.section-en {
  display: block;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  line-height: 1.3;
  margin: 0;
}

/* ===== 议程时间线 ===== */
.timeline-section {
  background: var(--bg);
}

.timeline-list {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}

.timeline-list::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(14, 77, 79, 0.15);
}

.timeline-row {
  position: relative;
  padding-left: 76px;
  margin-bottom: 40px;
}

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

.timeline-dot {
  position: absolute;
  left: 20px;
  top: 24px;
  width: 16px;
  height: 16px;
  background: #D9A441;
  border-radius: 50%;
  border: 4px solid rgba(217, 164, 65, 0.25);
  box-shadow: 0 0 0 4px rgba(14, 77, 79, 0.08);
  z-index: 1;
}

.timeline-date {
  position: absolute;
  left: 0;
  top: 20px;
  width: 48px;
  text-align: right;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
}

.timeline-card {
  background: #fff;
  border-left: 4px solid var(--primary);
  border-radius: 0;
  padding: 24px 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.timeline-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.timeline-card p {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.7;
}

/* ===== 企业亮点 ===== */
.highlights-section {
  background: #fff;
}

.highlight-card {
  background: #FDFCF9;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.highlight-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.highlight-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.highlight-card:hover .highlight-img img {
  transform: scale(1.04);
}

.highlight-body {
  padding: 24px;
}

.highlight-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.highlight-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.text-link {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s ease;
}

.text-link:hover {
  color: var(--accent);
  gap: 8px;
}

/* ===== 数据指标 ===== */
.stats-bar {
  background: var(--dark);
  padding: 64px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-number {
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== 方案对比 ===== */
.plans-section {
  background: var(--bg);
}

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

.plan-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
  text-align: left;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-card);
}

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

.plan-featured {
  transform: translateY(-16px);
  border: 2px solid var(--primary);
  position: relative;
  z-index: 2;
  box-shadow: 0 12px 32px rgba(18, 28, 28, 0.12);
}

.plan-featured:hover {
  transform: translateY(-18px);
}

.plan-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: var(--accent);
  color: var(--dark);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 30px;
  letter-spacing: 0.5px;
}

.plan-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.plan-price {
  margin-bottom: 20px;
}

.plan-price strong {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
}

.plan-price span {
  font-size: 13px;
  color: var(--text-muted);
  margin-left: 6px;
}

.plan-feats {
  margin-bottom: 28px;
}

.plan-feats li {
  font-size: 14px;
  color: var(--text);
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  line-height: 1.5;
  padding-left: 20px;
  position: relative;
}

.plan-feats li:last-child {
  border-bottom: none;
}

.plan-feats li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 16px;
  line-height: 1.5;
}

/* ===== 报名CTA ===== */
.register-section {
  background: var(--primary);
  padding: 80px 0;
}

.register-box {
  background: #0E4D4F;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 48px;
  color: #fff;
}

.register-box h2 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.register-box p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 0;
}

.register-form .form-control,
.register-form .form-select {
  background: #fff;
  border: 1px solid #E2DFD8;
  border-radius: 6px;
  font-size: 14px;
  padding: 12px 16px;
  min-height: 48px;
  color: var(--text);
  box-shadow: none;
  transition: all 0.2s ease;
}

.register-form .form-control:focus,
.register-form .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(217, 164, 65, 0.25);
  outline: none;
}

.register-form .form-control::placeholder {
  color: #9CA3AF;
}

/* ===== 最新资讯 ===== */
.news-section {
  background: #fff;
}

.info-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.info-tag {
  display: inline-block;
  background: rgba(14, 77, 79, 0.1);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 14px;
  align-self: flex-start;
}

.info-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
}

.info-title a {
  color: var(--text);
  transition: color 0.2s;
}

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

.info-summary {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.info-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid #F0EEE8;
  padding-top: 14px;
}

.info-meta a {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}

.info-meta a:hover {
  color: var(--accent);
  gap: 8px;
}

.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: var(--bg);
}

.empty-state i {
  font-size: 36px;
  color: #C7C5BE;
  margin-bottom: 12px;
}

.empty-state p {
  font-size: 15px;
}

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

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

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.faq-item.open {
  box-shadow: var(--shadow-card);
}

.faq-q {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: color 0.2s;
}

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

.faq-q i {
  color: var(--accent);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-q i {
  transform: rotate(180deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-a p {
  padding: 0 28px 24px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== 联系CTA ===== */
.contact-cta {
  background: var(--dark);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.contact-cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.contact-cta h2 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.contact-cta p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 32px;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--dark);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.8;
  margin: 0;
  max-width: 280px;
}

.footer-links h4,
.footer-contact h4,
.footer-icp h4 {
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 10px;
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 10px;
  line-height: 1.7;
}

.footer-icp p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
}

.footer-bottom p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
  margin: 0;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
  line-height: 1.2;
  cursor: pointer;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

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

.btn-accent {
  background: var(--accent);
  color: var(--dark);
  border-color: var(--accent);
}

.btn-accent:hover {
  background: var(--accent-light);
  color: var(--dark);
  box-shadow: 0 8px 20px rgba(217, 164, 65, 0.3);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 77, 79, 0.25);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 77, 79, 0.2);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

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

.btn-block {
  width: 100%;
}

/* ===== 响应式 ===== */
@media (max-width: 1199.98px) {
  .stats-grid {
    gap: 24px;
  }
}

@media (max-width: 991.98px) {
  .sidebar {
    width: 64px;
    padding: 20px 12px;
  }

  .sidebar-brand {
    justify-content: center;
    padding: 8px 0 20px;
  }

  .brand-info {
    display: none;
  }

  .side-link {
    justify-content: center;
    padding: 14px 0;
    gap: 0;
    border-left: 3px solid transparent;
  }

  .side-link span {
    display: none;
  }

  .side-link i {
    font-size: 18px;
  }

  .sidebar-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .side-tel {
    display: none;
  }

  .sidebar-footer .btn {
    padding: 0 12px;
    font-size: 13px;
    min-height: 40px;
    width: 100%;
  }

  .main-wrapper {
    margin-left: 64px;
  }

  .hero {
    min-height: 500px;
  }
}

@media (max-width: 767.98px) {
  .sidebar {
    display: none;
  }

  .main-wrapper {
    margin-left: 0;
  }

  .mobile-header {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .main-wrapper {
    padding-top: 64px;
  }

  .hero {
    min-height: 420px;
    padding: 60px 0;
  }

  .hero-title {
    font-size: 30px;
  }

  .section {
    padding: 64px 0;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 16px;
  }

  .plans-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .plan-featured {
    transform: none;
    order: -1;
  }

  .plan-featured:hover {
    transform: translateY(-4px);
  }

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

  .register-box {
    padding: 32px 20px;
    border-radius: 12px;
  }

  .register-box h2 {
    font-size: 24px;
  }

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

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

  .timeline-date {
    width: 40px;
    font-size: 13px;
  }

  .timeline-list::before {
    left: 20px;
  }

  .timeline-dot {
    left: 13px;
    width: 14px;
    height: 14px;
  }

  .timeline-card {
    padding: 20px;
  }

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

  .hero-visual {
    margin-top: 40px;
  }
}

@media (max-width: 425px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section {
    padding: 56px 0;
  }

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

  .hero {
    padding: 48px 0;
  }

  .hero-badge {
    font-size: 12px;
    padding: 4px 12px;
  }

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

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

  .faq-a p {
    padding: 0 20px 20px;
  }

  .plan-card {
    padding: 24px 20px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0E4D4F;
  --primary-dark: #0A3C3E;
  --accent: #D9A441;
  --accent-light: #E8BC5E;
  --bg: #F6F5F1;
  --dark: #121C1C;
  --text: #22261F;
  --text-muted: #6B7280;
  --border: #E2DFD8;
  --card-radius: 12px;
  --btn-radius: 6px;
  --tag-radius: 4px;
  --shadow-card: 0 2px 8px rgba(18, 28, 28, 0.06);
  --shadow-hover: 0 8px 24px rgba(18, 28, 28, 0.12);
  --sidebar-w: 240px;
  --font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  letter-spacing: 0;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

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

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

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== 侧边栏 ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  padding: 32px 20px 28px;
  z-index: 1040;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 24px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: var(--dark);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.brand-text {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
  white-space: nowrap;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.side-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
  font-weight: 500;
  transition: background 0.25s ease, color 0.25s ease, opacity 0.25s ease;
  position: relative;
}

.side-link i {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

.side-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.side-link.active {
  color: #fff;
  opacity: 1;
}

.side-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}

.side-link.active {
  background: rgba(255, 255, 255, 0.04);
}

.sidebar-contact {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-label {
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
  margin-bottom: 4px;
}

.contact-phone {
  display: block;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
}

.contact-phone:hover {
  color: var(--accent-light);
}

.btn-sidebar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 44px;
  background: var(--accent);
  color: var(--dark);
  border: none;
  border-radius: var(--btn-radius);
  font-size: 15px;
  font-weight: 600;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-sidebar:hover {
  background: var(--accent-light);
  color: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(217, 164, 65, 0.3);
}

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

/* ===== 移动端顶栏 ===== */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 1050;
}

.mobile-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
}

.mobile-brand i {
  color: var(--primary);
  margin-right: 6px;
}

.menu-toggle {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--dark);
  width: 42px;
  height: 42px;
  border-radius: var(--btn-radius);
  cursor: pointer;
  transition: background 0.2s;
}

.menu-toggle:hover {
  background: var(--bg);
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: var(--dark);
  z-index: 1040;
  padding: 80px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-overlay a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 18px;
  padding: 12px 16px;
  border-radius: 8px;
  border-left: 3px solid transparent;
}

.mobile-overlay a:hover,
.mobile-overlay a.active {
  color: #fff;
  border-left-color: var(--accent);
  background: rgba(255, 255, 255, 0.05);
}

.mobile-overlay .overlay-phone {
  margin-top: 20px;
  color: var(--accent-light);
  font-size: 18px;
  font-weight: 700;
  text-align: center;
}

/* ===== 主业区域 ===== */
.main-wrap {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* ===== Hero ===== */
.cat-hero {
  position: relative;
  background: var(--dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 110px 0 96px;
  color: #fff;
}

.cat-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(18, 28, 28, 0.94) 40%, rgba(18, 28, 28, 0.72));
}

.cat-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.breadcrumb-custom {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 28px;
}

.breadcrumb-custom a {
  color: rgba(255, 255, 255, 0.8);
}

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

.breadcrumb-custom .sep {
  opacity: 0.4;
}

.hero-inner h1 {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.25;
  margin-bottom: 20px;
  max-width: 760px;
}

.hero-inner h1 .highlight {
  color: var(--accent-light);
}

.hero-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 680px;
  line-height: 1.9;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.btn {
  min-height: 44px;
  padding: 0 28px;
  border-radius: var(--btn-radius);
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
}

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

.btn-primary-custom:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14, 77, 79, 0.35);
}

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

.btn-outline-custom {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

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

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

.btn-accent-custom {
  background: var(--accent);
  color: var(--dark);
}

.btn-accent-custom:hover {
  background: var(--accent-light);
  color: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(217, 164, 65, 0.3);
}

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

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 30px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}

/* ===== 板块通用 ===== */
.section-padding {
  padding: 96px 0;
}

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

.section-sub {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-sub::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent);
}

.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  margin-bottom: 14px;
  line-height: 1.4;
}

.section-head .section-desc {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 640px;
  line-height: 1.8;
}

/* ===== 核心能力 ===== */
.capabilities {
  background: var(--bg);
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.feature-card .card-img {
  height: 180px;
  overflow: hidden;
}

.feature-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.feature-card:hover .card-img img {
  transform: scale(1.06);
}

.feature-body {
  padding: 24px;
}

.feature-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.feature-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  margin-top: 14px;
  transition: gap 0.2s ease;
}

.feature-link:hover {
  gap: 10px;
  color: var(--primary-dark);
}

/* ===== 服务流程 ===== */
.workflow {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}

.workflow-step {
  padding: 0 28px;
  position: relative;
  text-align: left;
}

.workflow-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 30px;
  right: 0;
  width: 100%;
  height: 2px;
  background: rgba(14, 77, 79, 0.15);
  z-index: 0;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px rgba(14, 77, 79, 0.15);
}

.workflow-step h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

.workflow-step p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0;
}

/* ===== 适用场景 ===== */
.scenarios {
  background: var(--bg);
}

.scenario-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.scenario-card .card-img {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.scenario-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.scenario-card:hover .card-img img {
  transform: scale(1.06);
}

.scenario-body {
  padding: 24px;
}

.scenario-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.scenario-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0;
}

.scenario-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(14, 77, 79, 0.08);
  color: var(--primary);
  font-size: 12px;
  border-radius: var(--tag-radius);
  margin-bottom: 12px;
  font-weight: 500;
}

/* ===== 数据指标 ===== */
.stats-band {
  background: var(--dark);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.stats-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: 20px 16px;
}

.stat-number {
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
}

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

.faq-section .container {
  max-width: 960px;
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.accordion-item {
  background: var(--bg);
  border: 1px solid var(--border) !important;
  border-radius: var(--card-radius) !important;
  overflow: hidden;
}

.accordion-button {
  background: var(--bg) !important;
  color: var(--text) !important;
  font-size: 16px;
  font-weight: 600;
  padding: 20px 24px;
  box-shadow: none !important;
  transition: background 0.2s ease;
}

.accordion-button:hover {
  background: #f0eee8 !important;
}

.accordion-button:not(.collapsed) {
  color: var(--primary) !important;
  background: #f0eee8 !important;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E4D4F'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
}

.accordion-body {
  padding: 4px 24px 20px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.9;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--primary) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding: 96px 0;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(14, 77, 79, 0.88);
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}

.cta-content {
  flex: 1;
  min-width: 280px;
}

.cta-content h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 0;
}

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

.cta-actions .btn-outline-custom {
  border-color: rgba(255, 255, 255, 0.6);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--dark);
  padding: 64px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-brand h3 {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
}

.footer-links h4,
.footer-contact h4,
.footer-icp h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  margin-bottom: 10px;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

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

.footer-contact p,
.footer-icp p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 8px;
  line-height: 1.8;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}

.footer-bottom p {
  margin: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
}

/* ===== 响应式 ===== */
@media (max-width: 1199.98px) {
  .workflow-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 24px;
  }

  .workflow-step:nth-child(n)::after {
    display: none;
  }

  .stats-grid {
    gap: 24px;
  }
}

@media (max-width: 991.98px) {
  .sidebar {
    width: 64px;
    padding: 24px 12px;
  }

  .brand {
    justify-content: center;
    padding-bottom: 24px;
    margin-bottom: 18px;
  }

  .brand-text,
  .side-link span,
  .sidebar-contact {
    display: none;
  }

  .side-link {
    justify-content: center;
    padding: 14px 0;
  }

  .side-link i {
    font-size: 18px;
  }

  .side-link.active::before {
    left: -12px;
    height: 32px;
  }

  .main-wrap {
    margin-left: 64px;
  }

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

@media (max-width: 767.98px) {
  .sidebar {
    display: none;
  }

  .mobile-header {
    display: flex;
  }

  .main-wrap {
    margin-left: 0;
    padding-top: 60px;
  }

  .cat-hero {
    padding: 72px 0 64px;
  }

  .section-padding {
    padding: 64px 0;
  }

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

  .workflow-step {
    padding: 0;
    display: flex;
    gap: 20px;
    align-items: flex-start;
  }

  .workflow-step .step-num {
    flex-shrink: 0;
    margin-bottom: 0;
    width: 48px;
    height: 48px;
    font-size: 16px;
  }

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

  .cta-section {
    padding: 64px 0;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }

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

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

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

  .hero-tags {
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-number {
    font-size: 32px;
  }

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

/* roulang page: article */
:root{
  --primary:#0E4D4F;
  --primary-dark:#0A3C3E;
  --accent:#D9A441;
  --accent-light:#E4B65A;
  --bg:#F6F5F1;
  --ink:#22261F;
  --muted:#6B7280;
  --border:#E2DFD8;
  --dark:#121C1C;
  --white:#ffffff;
  --radius-card:12px;
  --radius-btn:6px;
  --shadow-card:0 2px 8px rgba(18,28,28,.06);
  --shadow-hover:0 8px 24px rgba(18,28,28,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:all .2s ease}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font-family:inherit}
.container{max-width:1320px;padding-left:24px;padding-right:24px}
.container-article{max-width:880px;margin:0 auto;padding:44px 24px 16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 28px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .25s ease;line-height:1.2}
.btn:focus-visible{outline:3px solid rgba(14,77,79,.35);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(14,77,79,.25)}
.btn-primary:active{transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 6px 16px rgba(14,77,79,.18)}
.btn-outline:active{transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:var(--dark)}
.btn-accent:hover{background:var(--accent-light);color:var(--dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(217,164,65,.35)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}

/* ===== 侧栏导航 ===== */
.sidebar{position:fixed;top:0;left:0;bottom:0;width:240px;background:var(--dark);z-index:1080;display:flex;flex-direction:column}
.sidebar-inner{display:flex;flex-direction:column;height:100%;padding:28px 20px 24px}
.brand{display:flex;align-items:center;gap:12px;padding:0 8px 24px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-logo{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#1A686B);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;flex-shrink:0;box-shadow:0 4px 12px rgba(0,0,0,.2)}
.brand-name{color:#fff;font-size:17px;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.sidebar-nav{margin-top:28px;display:flex;flex-direction:column;gap:6px;flex:1}
.side-link{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:8px;color:rgba(255,255,255,.6);font-size:14px;font-weight:500;position:relative;transition:all .2s}
.side-link:hover{color:rgba(255,255,255,.95);background:rgba(255,255,255,.04)}
.side-link.active{color:#fff;background:rgba(255,255,255,.06)}
.side-link.active::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:22px;background:var(--accent);border-radius:0 3px 3px 0}
.side-link i{width:18px;text-align:center;font-size:15px}
.sidebar-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px}
.side-tel{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.65);font-size:13px;margin-bottom:12px}
.side-tel i{color:var(--accent)}
.side-cta{display:block;text-align:center;padding:10px 0;background:var(--accent);color:var(--dark);border-radius:6px;font-size:14px;font-weight:600;transition:all .2s}
.side-cta:hover{background:var(--accent-light);color:var(--dark)}

/* ===== 移动端导航 ===== */
.mobile-header{display:none;position:sticky;top:0;z-index:1090;background:var(--dark);padding:0 16px;height:60px;align-items:center;justify-content:space-between}
.mobile-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px}
.mobile-brand i{color:var(--accent);font-size:18px}
.mobile-toggle{background:none;border:none;color:#fff;font-size:22px;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;cursor:pointer}
.mobile-toggle:focus{outline:2px solid rgba(255,255,255,.4)}
.mobile-overlay{display:none;position:fixed;inset:0;background:var(--dark);z-index:1085;padding:80px 32px 32px;flex-direction:column;overflow-y:auto}
.mobile-overlay.open{display:flex}
.mobile-overlay a{color:rgba(255,255,255,.85);font-size:18px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:14px}
.mobile-overlay a i{width:20px;color:var(--accent)}
.mobile-overlay a.active{color:var(--accent)}
.mobile-overlay .overlay-cta{margin-top:32px;background:var(--accent);color:var(--dark);text-align:center;padding:13px;border-radius:6px;font-weight:600;font-size:16px;justify-content:center;border:none}
.mobile-overlay .overlay-cta:hover{background:var(--accent-light);color:var(--dark)}
.mobile-overlay-close{position:absolute;top:18px;right:20px;background:none;border:none;color:#fff;font-size:24px;width:44px;height:44px;cursor:pointer}

/* ===== 主内容 ===== */
.main-wrapper{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
.page-content{flex:1}

/* ===== 面包屑 ===== */
.crumb-nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px}
.crumb-nav a{color:var(--muted);display:inline-flex;align-items:center;gap:5px}
.crumb-nav a:hover{color:var(--primary)}
.crumb-nav .sep{color:#B4B0A7}
.crumb-nav .current{color:var(--ink);font-weight:500;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章头部 ===== */
.article-header{margin-bottom:32px}
.article-meta-top{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-bottom:16px}
.article-cat-label{display:inline-flex;align-items:center;gap:6px;background:rgba(14,77,79,.1);color:var(--primary);padding:4px 14px;border-radius:4px;font-size:12px;font-weight:600}
.article-meta-item{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:5px}
.article-header h1{font-size:clamp(28px,4vw,40px);font-weight:700;line-height:1.35;letter-spacing:.5px;color:var(--ink);margin:0}

/* ===== 正文 ===== */
.article-body{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:42px 48px;box-shadow:var(--shadow-card);font-size:15px;line-height:1.9;color:#333A2F}
.article-body h2{font-size:24px;font-weight:700;margin:40px 0 16px;color:var(--ink);padding-left:14px;border-left:4px solid var(--primary)}
.article-body h3{font-size:19px;font-weight:600;margin:28px 0 12px;color:var(--ink)}
.article-body h4{font-size:16px;font-weight:600;margin:20px 0 10px;color:var(--ink)}
.article-body p{margin-bottom:20px}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(14,77,79,.3)}
.article-body a:hover{color:var(--accent);border-color:var(--accent)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body li{margin-bottom:8px}
.article-body blockquote{border-left:4px solid var(--accent);background:#FAF7F0;margin:24px 0;padding:16px 22px;color:#4A4A40;border-radius:0 8px 8px 0}
.article-body img{border-radius:8px;margin:24px auto}
.article-body code{background:#F1F0EB;color:#B3562E;padding:2px 8px;border-radius:4px;font-size:14px;font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace}
.article-body pre{background:var(--dark);color:#E2E8E4;padding:20px 24px;border-radius:8px;overflow-x:auto;margin:24px 0}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-body th{background:#F1F0EB;font-weight:600}

/* ===== 文章标签与底部 ===== */
.article-tags{display:flex;gap:10px;margin:28px 0 22px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;gap:6px;background:#F1F0EB;padding:5px 14px;border-radius:4px;font-size:12px;color:var(--muted)}
.tag i{color:var(--accent)}
.article-footer-nav{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;padding-top:26px;border-top:1px solid var(--border)}

/* ===== 内容未找到 ===== */
.not-found-box{text-align:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:72px 32px;box-shadow:var(--shadow-card)}
.not-found-box i{font-size:48px;color:var(--accent);margin-bottom:16px;display:block}
.not-found-box h1{font-size:28px;font-weight:700;margin-bottom:10px;color:var(--ink)}
.not-found-box p{color:var(--muted);margin-bottom:26px}

/* ===== 相关推荐 ===== */
.related-section{padding:80px 0 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:36px}
.section-head h2{font-size:28px;font-weight:700;color:var(--ink);position:relative;padding-left:16px;margin:0}
.section-head h2::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--primary);border-radius:2px}
.section-en{font-size:13px;color:var(--muted);letter-spacing:2px;text-transform:uppercase}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:14px;box-shadow:var(--shadow-card);transition:transform .25s,box-shadow .25s}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.related-card img{width:104px;height:76px;object-fit:cover;border-radius:6px;flex-shrink:0}
.related-info h3{font-size:15px;font-weight:600;line-height:1.5;color:var(--ink);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-info span{font-size:12px;color:var(--muted);display:inline-flex;align-items:center;gap:5px}

/* ===== CTA ===== */
.page-cta{padding:80px 0}
.cta-box{background:linear-gradient(120deg,rgba(14,77,79,.92),rgba(18,28,28,.92)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;border-radius:16px;padding:56px 60px;display:flex;align-items:center;justify-content:space-between;gap:40px;box-shadow:0 16px 40px rgba(18,28,28,.2)}
.cta-box h2{color:#fff;font-size:28px;font-weight:700;margin-bottom:10px}
.cta-box p{color:rgba(255,255,255,.75);font-size:15px;margin-bottom:12px}
.cta-tel{display:flex;align-items:center;flex-wrap:wrap;gap:12px;color:rgba(255,255,255,.7);font-size:14px}
.cta-tel i{color:var(--accent)}
.cta-tel .divider{color:rgba(255,255,255,.25)}
.cta-actions{display:flex;gap:14px;flex-shrink:0}

/* ===== 页脚 ===== */
.footer{background:var(--dark);color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand h3{color:#fff;font-size:20px;font-weight:700;margin-bottom:12px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;margin:0}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-links a{display:block;color:rgba(255,255,255,.6);font-size:14px;padding:5px 0}
.footer-links a:hover{color:var(--accent)}
.footer-contact p{font-size:14px;margin-bottom:8px;color:rgba(255,255,255,.6)}
.footer-contact i{margin-right:6px;color:var(--accent)}
.footer-icp p{font-size:13px;color:rgba(255,255,255,.4);margin-bottom:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.4);margin:0}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .related-grid{grid-template-columns:repeat(3,1fr)}
  .cta-box{padding:48px 40px}
}
@media (max-width:991.98px){
  .sidebar{width:72px}
  .main-wrapper{margin-left:72px}
  .brand{padding:20px 0;justify-content:center;border-bottom:none}
  .brand-name,.sidebar-nav .side-link span,.sidebar-bottom{display:none}
  .sidebar-inner{padding:24px 12px}
  .sidebar-nav .side-link{justify-content:center;padding:14px 0}
  .side-link.active::before{left:auto;right:0;width:2px;height:20px}
  .article-body{padding:34px 30px}
  .cta-box{flex-direction:column;align-items:flex-start}
}
@media (max-width:767.98px){
  .sidebar{display:none}
  .main-wrapper{margin-left:0}
  .mobile-header{display:flex}
  .page-content{padding-top:0}
  .container-article{padding:24px 16px 8px}
  .crumb-nav{margin-bottom:20px}
  .article-meta-top{gap:10px}
  .article-header h1{font-size:28px}
  .article-body{padding:26px 20px;font-size:15px}
  .article-body h2{font-size:21px}
  .related-grid{grid-template-columns:1fr}
  .related-card{flex-direction:column;align-items:flex-start}
  .related-card img{width:100%;height:auto;aspect-ratio:16/7}
  .related-section{padding:64px 0 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:24px}
  .page-cta{padding:64px 0}
  .cta-box{padding:36px 24px;border-radius:12px}
  .cta-box h2{font-size:23px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer{margin-top:56px;padding-top:48px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .article-footer-nav{flex-direction:column}
  .article-footer-nav .btn{width:100%}
  .cta-tel{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: category2 */
:root {
            --primary: #0E4D4F;
            --primary-dark: #0A3C3E;
            --accent: #D9A441;
            --bg: #F6F5F1;
            --dark: #121C1C;
            --text: #22261F;
            --text-light: #6B7280;
            --border: #E2DFD8;
            --radius-card: 12px;
            --radius-btn: 6px;
            --shadow-card: 0 2px 8px rgba(18, 28, 28, 0.06);
            --shadow-hover: 0 8px 24px rgba(18, 28, 28, 0.12);
            --font-stack: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.8;
            background: var(--bg);
            color: var(--text);
            letter-spacing: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            border: none;
            background: none;
            font-family: inherit;
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width:768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 左侧导航 ===== */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: var(--dark);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 0 0 32px;
            overflow-y: auto;
        }
        .sidebar-brand {
            padding: 28px 24px 22px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .5px;
        }
        .brand-logo {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--dark);
            flex-shrink: 0;
        }
        .sidebar-nav {
            flex: 1;
            padding: 18px 0;
        }
        .side-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 24px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all .2s ease;
        }
        .side-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .side-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .side-link.active {
            color: #fff;
            border-left-color: var(--accent);
            background: linear-gradient(90deg, rgba(217, 164, 65, 0.12), transparent);
        }
        .sidebar-bottom {
            padding: 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .sidebar-bottom p {
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
            margin-bottom: 4px;
        }
        .sidebar-phone {
            display: block;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: .5px;
        }
        .sidebar-phone:hover {
            color: var(--accent);
        }
        .btn-sidebar {
            display: block;
            text-align: center;
            padding: 10px 16px;
            background: var(--accent);
            color: var(--dark);
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            transition: all .2s ease;
        }
        .btn-sidebar:hover {
            background: #e6b454;
            transform: translateY(-1px);
        }

        /* 移动端头部 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: #fff;
            z-index: 1100;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            border-bottom: 1px solid var(--border);
        }
        .mobile-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: .5px;
        }
        .hamburger {
            font-size: 22px;
            color: var(--dark);
            padding: 8px;
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--dark);
            z-index: 1200;
            padding: 24px 28px;
            flex-direction: column;
        }
        .mobile-overlay.open {
            display: flex;
        }
        .overlay-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
        }
        .overlay-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }
        .overlay-close {
            font-size: 24px;
            color: rgba(255, 255, 255, 0.7);
            padding: 8px;
        }
        .overlay-nav {
            flex: 1;
        }
        .overlay-link {
            display: block;
            font-size: 18px;
            line-height: 48px;
            color: rgba(255, 255, 255, 0.7);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: color .2s;
        }
        .overlay-link:hover,
        .overlay-link.active {
            color: var(--accent);
        }
        .overlay-contact {
            margin-top: 32px;
        }
        .overlay-contact p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            margin-bottom: 16px;
        }
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 28px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            border: none;
            transition: all .2s ease;
        }
        .btn-main:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(14, 77, 79, 0.25);
            color: #fff;
        }
        .btn-main:active {
            transform: translateY(-1px);
            box-shadow: none;
        }
        .btn-second {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 28px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            transition: all .2s ease;
        }
        .btn-second:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--dark);
            transform: translateY(-2px);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 28px;
            background: var(--accent);
            color: var(--dark);
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all .2s ease;
        }
        .btn-accent:hover {
            background: #e6b454;
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(217, 164, 65, 0.35);
            color: var(--dark);
        }
        .btn-accent:active {
            transform: translateY(0);
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: 240px;
            min-height: 100vh;
            overflow: hidden;
        }

        /* ===== Hero ===== */
        .cat-hero {
            position: relative;
            background: var(--dark);
            padding: 80px 0 72px;
            background-image: linear-gradient(rgba(18, 28, 28, 0.86), rgba(18, 28, 28, 0.86)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .cat-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(217, 164, 65, 0.2);
            color: var(--accent);
            border-radius: 4px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .cat-hero h1 {
            font-size: clamp(32px, 4.5vw, 48px);
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: .5px;
        }
        .cat-hero .lead {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-imgwrap {
            border-radius: 12px;
            overflow: hidden;
            border: 2px solid var(--primary);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
            margin-left: auto;
            max-width: 420px;
        }
        .hero-imgwrap img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 96px 0;
        }
        @media (max-width:768px) {
            .section-block {
                padding: 64px 0;
            }
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-head .en-title {
            font-size: 12px;
            letter-spacing: 3px;
            color: var(--accent);
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
            margin: 0;
        }
        .section-head p {
            color: var(--text-light);
            font-size: 15px;
            margin-top: 12px;
            max-width: 640px;
        }

        /* ===== 核心能力 ===== */
        .values-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (max-width:768px) {
            .values-grid {
                grid-template-columns: 1fr;
            }
        }
        .value-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
        }
        .value-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .value-icon {
            width: 52px;
            height: 52px;
            background: rgba(14, 77, 79, 0.08);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 18px;
        }
        .value-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .value-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 服务范围 ===== */
        .service-section {
            background: #fff;
        }
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 24px;
        }
        @media (max-width:992px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width:576px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }
        .service-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .service-card .card-img {
            height: 180px;
            overflow: hidden;
        }
        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .service-card:hover .card-img img {
            transform: scale(1.04);
        }
        .service-card .card-body {
            padding: 22px 24px;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .tag-list span {
            padding: 2px 10px;
            background: rgba(14, 77, 79, 0.08);
            color: var(--primary);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
        }

        /* ===== 应用场景 ===== */
        .scenes-section {
            background: var(--dark);
            color: #fff;
        }
        .scenes-section .section-head h2 {
            color: #fff;
            border-left-color: var(--accent);
        }
        .scenes-section .section-head p {
            color: rgba(255, 255, 255, 0.6);
        }
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        @media (max-width:992px) {
            .scenes-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width:576px) {
            .scenes-grid {
                grid-template-columns: 1fr;
            }
        }
        .scene-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 30px 24px;
            text-align: center;
            transition: background .3s ease;
        }
        .scene-item:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .scene-item i {
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 16px;
        }
        .scene-item h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .scene-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== 研发流程 ===== */
        .process-list {
            max-width: 840px;
            margin: 0 auto;
        }
        .process-item {
            display: flex;
            gap: 24px;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .process-item:last-child {
            border-bottom: none;
        }
        .process-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            min-width: 64px;
            line-height: 1;
        }
        .process-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .process-body p {
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 4px;
        }
        .process-body .meta {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
        }

        /* ===== 数据指标 ===== */
        .stats-band {
            background: var(--dark);
            padding: 64px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        @media (max-width:768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }
        .stat-num {
            font-size: 40px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow .2s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-q {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .faq-q i {
            color: var(--primary);
            font-size: 14px;
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }
        .faq-a {
            display: none;
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.active .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            padding: 80px 0;
        }
        .cta-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
            flex-wrap: wrap;
        }
        .cta-left h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-left p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            max-width: 440px;
        }
        .cta-right {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 64px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        @media (max-width:992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width:576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        .footer-brand h3 {
            font-size: 20px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-links h4,
        .footer-contact h4,
        .footer-icp h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-contact p {
            margin-bottom: 4px;
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width:991px) {
            .site-sidebar {
                width: 64px;
            }
            .sidebar-brand a {
                justify-content: center;
            }
            .sidebar-brand .brand-text,
            .side-link span,
            .sidebar-bottom {
                display: none;
            }
            .side-link {
                justify-content: center;
                padding: 14px 0;
            }
            .side-link i {
                font-size: 18px;
            }
            .main-content {
                margin-left: 64px;
            }
            .cat-hero {
                padding: 64px 0;
                min-height: 420px;
            }
            .hero-imgwrap {
                max-width: 100%;
                margin-top: 32px;
            }
        }
        @media (max-width:767px) {
            .site-sidebar {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
            .cat-hero {
                padding: 48px 0;
                min-height: auto;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-btns .btn-main,
            .hero-btns .btn-second {
                justify-content: center;
            }
            .hero-imgwrap {
                margin-top: 24px;
                max-width: 100%;
            }
            .section-block {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .cta-wrap {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }
        }
        @media (max-width:520px) {
            .values-grid,
            .service-grid,
            .scenes-grid {
                grid-template-columns: 1fr;
            }
            .process-item {
                flex-direction: column;
                gap: 8px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-num {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-right .btn-accent {
                width: 100%;
            }
        }