/* roulang page: index */
:root {
  --primary: #D62828;
  --primary-dark: #B01E1E;
  --gold: #F2A900;
  --ink: #16181D;
  --ink-light: #1E2128;
  --bg-warm: #F5F3EE;
  --bg-white: #FFFFFF;
  --border: #E7E3DC;
  --text-main: #1A1A1A;
  --text-sub: #6B6B6B;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-hover: 0 12px 24px rgba(0,0,0,.12);
  --radius: 8px;
  --sidebar-w: 260px;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Alternate", "Arial Narrow", sans-serif;
  --transition: all .2s ease;
}

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

html, body {
  margin: 0;
  padding: 0;
}

body.wade-site {
  font-family: var(--font-sans);
  background: var(--bg-warm);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.wade-site h1, .wade-site h2, .wade-site h3, .wade-site h4, .wade-site h5, .wade-site h6 {
  font-family: var(--font-sans);
  margin: 0;
  line-height: 1.3;
  color: var(--text-main);
}

.wade-site p {
  margin: 0;
}

.wade-site a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

.wade-site ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.wade-site button {
  font-family: var(--font-sans);
}

.wade-site input, .wade-site textarea, .wade-site select {
  font-family: var(--font-sans);
}

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

.grid-container {
  max-width: 1280px;
  padding-left: 40px;
  padding-right: 40px;
}

.section {
  padding: 80px 0;
}

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

.section-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.section-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--primary);
  margin-top: 16px;
  border-radius: 2px;
}

.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  line-height: 1.4;
}

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

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: none;
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.8);
  padding: 13px 30px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  line-height: 1.4;
}

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

/* 左侧竖向导航 */
.site-shell {
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  background: var(--ink);
  display: flex;
  flex-direction: column;
  z-index: 200;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-brand {
  padding: 28px 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  flex-shrink: 0;
}

.brand-logo {
  display: block;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: .5px;
}

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

.brand-tag {
  display: block;
  color: #8A9099;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: 8px;
  font-weight: 500;
}

.sidebar-nav {
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #B9BFC7;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 500;
  border-radius: 6px;
  border-left: 3px solid transparent;
  transition: var(--transition);
  line-height: 1.4;
  min-height: 48px;
}

.nav-link i {
  width: 20px;
  text-align: center;
  font-size: 16px;
  color: #8A9099;
  transition: var(--transition);
}

.nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,.05);
  border-left-color: var(--gold);
}

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

.nav-link.active {
  color: #fff;
  font-weight: 600;
  border-left-color: var(--gold);
  background: rgba(255,255,255,.06);
}

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

.sidebar-foot {
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,.08);
  color: #5A5F66;
  font-size: 12px;
  line-height: 1.7;
  flex-shrink: 0;
}

.sidebar-foot p {
  margin: 0 0 4px;
}

.sidebar-foot .foot-slogan {
  color: #8A9099;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 8px;
}

/* 主内容区 */
.main-area {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 移动导航 */
.mobile-nav {
  display: none;
}

.mobile-menu {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, rgba(22,24,29,.94) 0%, rgba(22,24,29,.65) 55%, rgba(22,24,29,.35) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 80px 40px;
  overflow: hidden;
}

.hero-inner {
  max-width: 640px;
  position: relative;
  z-index: 2;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-kicker::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--gold);
  display: inline-block;
}

.hero h1 {
  color: #fff;
  font-size: 46px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 18px;
}

.hero h1::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 140px;
  height: 3px;
  background: var(--gold);
  border-radius: 2px;
}

.hero-sub {
  color: #C7CBD1;
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}

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

.hero-scroll {
  position: absolute;
  bottom: 24px;
  left: 40px;
  color: rgba(255,255,255,.6);
  font-size: 22px;
  animation: heroBounce 2s infinite;
  z-index: 2;
}

@keyframes heroBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent 70%);
}

/* 服务入口区 */
.services-section {
  background: var(--bg-warm);
}

.services-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-areas:
    "large small1"
    "large small2"
    "wide wide";
  gap: 24px;
}

.service-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid transparent;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 180px;
  overflow: hidden;
}

.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-left-color: var(--primary);
}

.service-card .service-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(242,169,0,.12);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.service-card p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.service-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.service-card-large {
  grid-area: large;
  background: linear-gradient(135deg, #FFFFFF 0%, #F7F5F0 100%);
}

.service-card-small-1 {
  grid-area: small1;
}

.service-card-small-2 {
  grid-area: small2;
}

.service-card-wide {
  grid-area: wide;
  flex-direction: row;
  align-items: center;
  gap: 24px;
  min-height: auto;
}

.service-card-wide .service-icon {
  margin-bottom: 0;
  flex-shrink: 0;
}

.service-card-wide .service-content {
  flex: 1;
}

.service-card-wide h3 {
  margin-bottom: 6px;
}

.service-card-wide p {
  margin-bottom: 0;
}

/* 数据区 */
.stats-section {
  background: var(--ink);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(214,40,40,.15) 0%, transparent 70%);
  pointer-events: none;
}

.stats-section .section-title {
  color: #fff;
  margin-bottom: 12px;
}

.stats-section .section-title::after {
  background: var(--gold);
}

.stats-section .section-lead {
  color: #8A9099;
  font-size: 16px;
  margin-bottom: 48px;
}

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

.stat-item {
  text-align: center;
  padding: 32px 16px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255,255,255,.06);
  transform: translateY(-4px);
}

.stat-num {
  font-family: var(--font-num);
  font-size: 52px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-label {
  color: #B9BFC7;
  font-size: 14px;
  font-weight: 500;
}

/* 案例推荐区 */
.showcase-section {
  background: var(--bg-warm);
}

.showcase-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}

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

.showcase-item.flip .showcase-img {
  order: 2;
}

.showcase-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  aspect-ratio: 16 / 10;
}

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

.showcase-img:hover img {
  transform: scale(1.03);
}

.showcase-body .showcase-tag {
  display: inline-block;
  background: rgba(214,40,40,.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.showcase-body h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-main);
}

.showcase-body p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.showcase-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.showcase-link:hover {
  color: var(--primary-dark);
  gap: 12px;
}

/* 流程区 */
.process-section {
  background: var(--bg-white);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border) 0 8px, transparent 8px 16px);
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 24px 16px;
  background: var(--bg-white);
}

.process-num {
  font-family: var(--font-num);
  font-size: 56px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 20px;
  display: block;
}

.process-step h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.process-step p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
  max-width: 260px;
  margin: 0 auto;
}

.process-cta {
  text-align: center;
  margin-top: 16px;
}

/* 最新信息区 */
.news-section {
  background: var(--bg-warm);
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 32px;
  align-items: start;
}

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

.news-list-item {
  display: flex;
  gap: 20px;
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.news-list-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-hover);
  border-left-color: var(--primary);
}

.news-item-content {
  flex: 1;
}

.news-cat {
  display: inline-block;
  background: rgba(242,169,0,.12);
  color: #B8860B;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.news-item-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-list-item:hover .news-item-title {
  color: var(--primary);
}

.news-item-excerpt {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}

.news-item-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.news-item-meta time {
  color: #999;
  font-size: 12px;
}

.news-more {
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}

.news-featured-card {
  display: block;
  background: var(--bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.news-featured-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.news-featured-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.news-featured-card:hover .news-featured-thumb img {
  transform: scale(1.05);
}

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

.news-featured-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.4;
}

.news-featured-card:hover .news-featured-title {
  color: var(--primary);
}

.news-featured-excerpt {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-featured-body time {
  color: #999;
  font-size: 12px;
}

.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 24px;
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 2px dashed var(--border);
}

.news-empty i {
  font-size: 48px;
  color: var(--gold);
  margin-bottom: 16px;
}

.news-empty p {
  color: var(--text-sub);
  font-size: 16px;
}

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

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

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}

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

.faq-q {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
  transition: background .2s ease;
}

.faq-q:hover {
  background: #FAF8F4;
}

.faq-q .faq-num {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  min-width: 32px;
}

.faq-q .faq-question {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
}

.faq-q .faq-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-sub);
  transition: transform .2s ease;
}

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

.faq-a {
  display: none;
  padding: 0 24px 20px 72px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
}

.faq-item.open {
  background: #FAF8F4;
}

.faq-item.open .faq-a {
  display: block;
}

/* 联系CTA区 */
.contact-section {
  background: var(--ink);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(214,40,40,.2) 0%, transparent 70%);
  pointer-events: none;
}

.contact-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.contact-section .section-title {
  color: #fff;
  font-size: 32px;
  margin-bottom: 16px;
}

.contact-section .section-title::after {
  background: var(--gold);
  margin-left: auto;
  margin-right: auto;
}

.contact-lead {
  color: #A8ADB5;
  font-size: 16px;
  margin-bottom: 40px;
}

.contact-form {
  text-align: left;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 40px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  color: #B9BFC7;
  font-size: 13px;
  margin-bottom: 8px;
}

.form-label .required {
  color: var(--primary);
}

.form-control {
  width: 100%;
  border: none;
  border-bottom: 1.5px solid #4A4E57;
  background: transparent;
  padding: 12px 4px;
  font-size: 16px;
  color: #fff;
  outline: none;
  transition: var(--transition);
  min-height: 48px;
  border-radius: 0;
  box-shadow: none;
}

.form-control::placeholder {
  color: #6B7178;
}

.form-control:focus {
  border-bottom-color: var(--primary);
  background: rgba(242,169,0,.06);
  box-shadow: none;
}

textarea.form-control {
  min-height: 90px;
  resize: vertical;
}

.contact-form .btn-primary {
  width: 100%;
  margin-top: 8px;
}

.form-note {
  color: #6B7178;
  font-size: 12px;
  margin-top: 12px;
}

/* 页脚 */
.site-footer {
  background: var(--ink);
  border-top: 4px solid var(--primary);
  padding: 64px 0 0;
}

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

.footer-brand .footer-logo {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
  display: block;
}

.footer-brand p {
  color: #8A9099;
  font-size: 14px;
  line-height: 1.7;
  max-width: 260px;
}

.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gold);
}

.footer-nav a {
  display: block;
  color: #8A9099;
  font-size: 14px;
  padding: 6px 0;
  transition: var(--transition);
}

.footer-nav a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-contact p {
  color: #8A9099;
  font-size: 14px;
  margin-bottom: 8px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: #5A5F66;
  font-size: 12px;
  margin: 0;
}

/* 响应式 */
@media (max-width: 1023px) {
  .sidebar {
    width: 72px;
  }

  .sidebar .brand-logo {
    font-size: 0;
    text-align: center;
    line-height: 1;
  }

  .sidebar .brand-logo::first-letter {
    font-size: 18px;
    color: var(--gold);
  }

  .sidebar .brand-tag {
    display: none;
  }

  .sidebar .nav-link {
    font-size: 13px;
    padding: 14px 0;
    justify-content: center;
    text-align: center;
  }

  .sidebar .nav-link span {
    display: none;
  }

  .sidebar .nav-link i {
    font-size: 18px;
    width: auto;
  }

  .sidebar-foot {
    display: none;
  }

  .main-area {
    margin-left: 72px;
  }

  .hero {
    padding: 60px 32px;
    min-height: 65vh;
  }

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

  .grid-container {
    padding-left: 24px;
    padding-right: 24px;
  }

  .section {
    padding: 64px 0;
  }

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

  .process-steps {
    gap: 24px;
  }

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

  .news-featured-card {
    max-width: 640px;
  }

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

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

@media (max-width: 767px) {
  .mobile-nav {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 300;
    background: var(--ink);
    height: 56px;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
  }

  .mobile-brand {
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    line-height: 1.2;
  }

  .mobile-toggle {
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
  }

  .mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    transition: var(--transition);
  }

  .mobile-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .mobile-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--ink);
    padding: 32px 24px;
    flex-direction: column;
    gap: 8px;
    z-index: 299;
  }

  .mobile-menu.open {
    display: flex;
  }

  .mobile-link {
    color: #B9BFC7;
    font-size: 18px;
    font-weight: 600;
    padding: 16px 12px;
    border-radius: 6px;
    border-left: 3px solid transparent;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .mobile-link i {
    width: 24px;
    text-align: center;
    color: #8A9099;
  }

  .mobile-link:hover {
    color: #fff;
    background: rgba(255,255,255,.05);
  }

  .mobile-link.active {
    color: #fff;
    border-left-color: var(--gold);
    background: rgba(255,255,255,.06);
  }

  .mobile-link.active i {
    color: var(--gold);
  }

  .sidebar {
    display: none;
  }

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

  .hero {
    padding: 48px 20px;
    min-height: 60vh;
    background: linear-gradient(160deg, rgba(22,24,29,.96) 0%, rgba(22,24,29,.75) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  }

  .hero h1 {
    font-size: 30px;
    padding-bottom: 14px;
  }

  .hero-sub {
    font-size: 16px;
  }

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

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

  .hero-scroll {
    left: 20px;
    bottom: 16px;
  }

  .grid-container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 28px;
  }

  .section-head {
    margin-bottom: 36px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "large"
      "small1"
      "small2"
      "wide";
  }

  .service-card {
    min-height: auto;
  }

  .service-card-wide {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-num {
    font-size: 36px;
  }

  .stat-item {
    padding: 20px 12px;
  }

  .showcase-item,
  .showcase-item.flip {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 48px;
  }

  .showcase-item.flip .showcase-img {
    order: 0;
  }

  .showcase-body h3 {
    font-size: 22px;
  }

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

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

  .process-step {
    padding: 16px 0;
  }

  .process-num {
    font-size: 44px;
  }

  .news-grid {
    gap: 20px;
  }

  .news-list-item {
    flex-direction: column;
    gap: 12px;
  }

  .news-featured-body {
    padding: 16px;
  }

  .news-featured-title {
    font-size: 18px;
  }

  .faq-q {
    padding: 16px;
    gap: 12px;
  }

  .faq-q .faq-num {
    min-width: 24px;
    font-size: 16px;
  }

  .faq-q .faq-question {
    font-size: 15px;
  }

  .faq-a {
    padding: 0 16px 16px 52px;
    font-size: 14px;
  }

  .contact-form {
    padding: 24px;
  }

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

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

/* roulang page: category1 */
:root {
            --primary: #D62828;
            --primary-dark: #B01E1E;
            --gold: #F2A900;
            --dark: #16181D;
            --light: #F5F3EE;
            --border: #E7E3DC;
            --text: #1A1A1A;
            --text-secondary: #6B6B6B;
            --white: #FFFFFF;
            --radius: 8px;
            --shadow: 0 1px 3px rgba(0, 0, 0, .08);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, .12);
            --transition: .2s ease;
            --sidebar-width: 260px;
            --tablet-sidebar-width: 72px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--light);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 2px;
        }

        /* ===== 左侧栏 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--dark);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            transition: width var(--transition);
        }
        .sidebar-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
            padding: 24px 16px 20px;
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 12px;
            margin-bottom: 28px;
            border-left: 3px solid var(--gold);
            min-height: 56px;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--white);
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
            flex-shrink: 0;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
        }
        .logo-text strong {
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: #8A919C;
            font-size: 11px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            color: #B9BFC7;
            font-size: 16px;
            font-weight: 500;
            border-radius: 6px;
            border-left: 3px solid transparent;
            transition: all var(--transition);
            min-height: 48px;
        }
        .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 17px;
        }
        .nav-link:hover {
            color: var(--white);
            background: rgba(255, 255, 255, .04);
            border-left-color: var(--gold);
        }
        .nav-link.active {
            color: var(--white);
            font-weight: 700;
            background: rgba(214, 40, 40, .12);
            border-left-color: var(--gold);
        }
        .nav-link.active i {
            color: var(--gold);
        }
        .sidebar-bottom {
            padding: 16px 12px 8px;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }
        .sidebar-bottom p {
            color: #5A5F66;
            font-size: 12px;
            line-height: 1.7;
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
        }

        /* ===== 移动端头部 ===== */
        .mobile-header {
            display: none;
        }

        /* ===== 页头 Hero ===== */
        .page-hero {
            position: relative;
            padding: 100px 40px 90px;
            background: linear-gradient(90deg, rgba(22, 24, 29, .92), rgba(22, 24, 29, .55), rgba(22, 24, 29, .25)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: var(--white);
            border-bottom: 3px solid var(--gold);
        }
        .hero-content {
            max-width: 900px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(242, 169, 0, .15);
            border: 1px solid rgba(242, 169, 0, .5);
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .5px;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 50px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .hero-title .gold-line {
            display: block;
            width: 80px;
            height: 4px;
            background: var(--gold);
            border-radius: 2px;
            margin-top: 14px;
        }
        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, .85);
            line-height: 1.7;
            margin-top: 18px;
            max-width: 560px;
        }
        .hero-cta {
            margin-top: 32px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 6px;
            border: 2px solid var(--primary);
            transition: all var(--transition);
            cursor: pointer;
            min-height: 48px;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 6px;
            border: 2px solid rgba(255, 255, 255, .7);
            transition: all var(--transition);
            cursor: pointer;
            min-height: 48px;
        }
        .btn-secondary:hover {
            background: var(--gold);
            color: var(--dark);
            border-color: var(--gold);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .hero-scroll {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            color: rgba(255, 255, 255, .7);
            font-size: 20px;
            animation: bounceDown 2s infinite;
        }
        @keyframes bounceDown {
            0%,
            100% {
                transform: translate(-50%, 0);
            }
            50% {
                transform: translate(-50%, 80px);
            }
        }

        /* ===== 数据指标区 ===== */
        .stats-section {
            background: var(--dark);
            padding: 70px 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .stat-item {
            text-align: center;
            padding: 24px 16px;
            border-left: 2px solid rgba(242, 169, 0, .3);
        }
        .stat-number {
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
            font-size: 52px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.1;
        }
        .stat-label {
            color: #B9BFC7;
            font-size: 14px;
            margin-top: 8px;
        }
        .stats-note {
            text-align: center;
            color: #5A5F66;
            font-size: 13px;
            margin-top: 40px;
        }

        /* ===== 图文交替区 ===== */
        .feature-section {
            padding: 80px 40px;
            background: var(--light);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 48px;
        }
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 72px;
        }
        .feature-row:nth-child(even) {
            direction: rtl;
        }
        .feature-row:nth-child(even) .feature-content {
            direction: ltr;
        }
        .feature-row:last-child {
            margin-bottom: 0;
        }
        .feature-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            position: relative;
        }
        .feature-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .feature-image:hover img {
            transform: scale(1.03);
        }
        .feature-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(22, 24, 29, .35));
            pointer-events: none;
        }
        .feature-content {
            padding: 16px 8px;
        }
        .feature-tag {
            display: inline-block;
            background: rgba(242, 169, 0, .12);
            color: #B8860B;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 100px;
            margin-bottom: 16px;
        }
        .feature-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .feature-content p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
            border-bottom: 2px solid var(--primary);
            padding-bottom: 2px;
        }
        .feature-link:hover {
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        /* ===== 流程区 ===== */
        .process-section {
            padding: 80px 40px;
            background: var(--white);
            border-top: 1px solid var(--border);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            max-width: 1050px;
            margin: 0 auto;
            position: relative;
        }
        .process-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, var(--gold), var(--primary));
            border-radius: 2px;
            z-index: 0;
        }
        .process-step {
            text-align: center;
            padding: 32px 24px;
            position: relative;
            z-index: 1;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            background: var(--dark);
            color: var(--gold);
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
            font-size: 24px;
            font-weight: 700;
            border-radius: 50%;
            margin-bottom: 20px;
            border: 2px solid var(--gold);
        }
        .process-step h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .process-step p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }
        .process-cta {
            text-align: center;
            margin-top: 48px;
        }

        /* ===== 赛事卡片区 ===== */
        .cards-section {
            padding: 80px 40px;
            background: var(--light);
        }
        .cards-grid {
            display: grid;
            grid-template-columns: 1.2fr .9fr .9fr;
            grid-template-rows: auto auto;
            gap: 24px;
        }
        .category-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            position: relative;
        }
        .category-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .category-card.card-main {
            grid-row: span 2;
        }
        .category-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .category-card.card-main .card-img {
            aspect-ratio: 16/12;
            height: 100%;
        }
        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .category-card:hover .card-img img {
            transform: scale(1.04);
        }
        .category-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--gold);
            color: var(--dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            z-index: 1;
        }
        .card-body {
            padding: 20px 22px 24px;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .card-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: #9A9A9A;
        }
        .card-meta a {
            margin-left: auto;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-meta a:hover {
            color: var(--primary-dark);
        }

        /* ===== FAQ区 ===== */
        .faq-section {
            padding: 80px 40px;
            background: var(--white);
            border-top: 1px solid var(--border);
        }
        .faq-container {
            max-width: 840px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            width: 100%;
            padding: 20px 24px;
            background: transparent;
            border: none;
            text-align: left;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            gap: 16px;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: #FAF8F4;
        }
        .faq-number {
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            flex-shrink: 0;
        }
        .faq-icon {
            margin-left: auto;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--light);
            border-radius: 50%;
            color: var(--primary);
            font-size: 18px;
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: var(--white);
        }
        .faq-answer {
            padding: 0;
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
        }
        .faq-item.active .faq-answer {
            padding: 0 24px 20px 60px;
            max-height: 400px;
        }
        .faq-answer p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ===== CTA区 ===== */
        .cta-section {
            padding: 80px 40px;
            background: linear-gradient(135deg, #16181D 0%, #1F2228 60%, #2A2D35 100%);
            text-align: center;
            border-top: 4px solid var(--primary);
        }
        .cta-section h2 {
            color: var(--white);
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: #B9BFC7;
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-note {
            margin-top: 20px;
            color: #5A5F66;
            font-size: 13px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            border-top: 4px solid var(--primary);
            padding: 56px 40px 24px;
            color: #B9BFC7;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 40px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-logo .logo-mark {
            width: 32px;
            height: 32px;
            font-size: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #8A919C;
        }
        .footer-title {
            color: var(--white);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-nav a {
            display: block;
            color: #B9BFC7;
            font-size: 14px;
            padding: 6px 0;
            transition: color var(--transition);
        }
        .footer-nav a:hover {
            color: var(--gold);
        }
        .footer-contact p {
            font-size: 14px;
            color: #8A919C;
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .footer-contact i {
            color: var(--gold);
            margin-right: 8px;
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: #5A5F66;
        }

        /* ===== 移动菜单 ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            background: var(--dark);
            padding: 16px 20px 24px;
            z-index: 999;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu .nav-link {
            padding: 14px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        /* ===== 响应式 ===== */
        @media (min-width: 1024px) and (max-width: 1280px) {
            .page-hero {
                padding: 80px 32px 70px;
            }
            .stats-section,
            .feature-section,
            .process-section,
            .cards-section,
            .faq-section,
            .cta-section {
                padding-left: 32px;
                padding-right: 32px;
            }
            .hero-title {
                font-size: 44px;
            }
        }

        @media (max-width: 1023px) {
            .sidebar {
                width: var(--tablet-sidebar-width);
            }
            .sidebar-logo {
                justify-content: center;
                padding: 8px 4px;
            }
            .logo-text,
            .nav-link span,
            .sidebar-bottom p {
                display: none;
            }
            .nav-link {
                justify-content: center;
                padding: 14px 8px;
            }
            .nav-link i {
                width: auto;
            }
            .main-wrapper {
                margin-left: var(--tablet-sidebar-width);
            }
            .page-hero {
                padding: 80px 24px 70px;
            }
            .hero-title {
                font-size: 38px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-row:nth-child(even) {
                direction: ltr;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .process-grid::before {
                display: none;
            }
            .cards-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-card.card-main {
                grid-column: span 2;
                grid-row: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 767px) {
            .sidebar {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
                align-items: center;
                justify-content: space-between;
                background: var(--dark);
                padding: 0 20px;
                height: 56px;
                position: sticky;
                top: 0;
                z-index: 1000;
                border-bottom: 2px solid var(--gold);
            }
            .mobile-logo {
                color: var(--white);
                font-size: 20px;
                font-weight: 700;
                display: flex;
                align-items: center;
                gap: 8px;
            }
            .mobile-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
            .hamburger {
                background: transparent;
                border: none;
                cursor: pointer;
                padding: 12px 8px;
                display: flex;
                flex-direction: column;
                gap: 5px;
                min-width: 44px;
                min-height: 44px;
                align-items: center;
                justify-content: center;
            }
            .hamburger span {
                display: block;
                width: 24px;
                height: 2px;
                background: var(--white);
                border-radius: 2px;
                transition: all .2s ease;
            }
            .hamburger.active span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }
            .page-hero {
                padding: 64px 20px 56px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-cta {
                flex-direction: column;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .stats-section,
            .feature-section,
            .process-section,
            .cards-section,
            .faq-section,
            .cta-section {
                padding: 56px 20px;
            }
            .section-title {
                font-size: 26px;
            }
            .feature-image img {
                height: 240px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-item {
                border-left: none;
                border-top: 2px solid rgba(242, 169, 0, .3);
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .category-card.card-main {
                grid-column: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .site-footer {
                padding: 40px 20px 20px;
            }
            .faq-question {
                padding: 16px 16px;
                font-size: 15px;
                gap: 10px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px 16px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn-primary,
            .cta-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-scroll {
                display: none;
            }
        }

/* roulang page: article */
:root {
            --brand-red: #D62828;
            --brand-red-dark: #B01E1E;
            --brand-gold: #F2A900;
            --ink-black: #16181D;
            --warm-gray: #F5F3EE;
            --border-color: #E7E3DC;
            --text-primary: #1A1A1A;
            --text-secondary: #6B6B6B;
            --text-sidebar: #B9BFC7;
            --radius: 8px;
            --shadow: 0 1px 3px rgba(0, 0, 0, .08);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, .12);
            --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Arial Narrow", sans-serif;
            --sidebar-width: 260px;
            --container-pad: 40px;
            --section-space: 80px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: var(--warm-gray);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all .2s ease;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .site-main {
            flex: 1;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 32px;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            text-align: center;
            min-height: 44px;
            transition: all .2s ease;
            outline-offset: 3px;
        }

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

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

        .btn-primary:hover {
            background: var(--brand-red-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

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

        .btn-outline {
            background: transparent;
            color: var(--brand-red);
            border: 1.5px solid var(--brand-red);
        }

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

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

        /* ===== Left Sidebar ===== */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--ink-black);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,.15) transparent;
        }

        .sidebar-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
            padding: 32px 24px 24px;
        }

        .sidebar-logo {
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,.08);
            margin-bottom: 28px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            outline: none;
        }

        .logo-mark {
            width: 42px;
            height: 42px;
            background: var(--brand-red);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
        }

        .logo-text strong {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .logo-text small {
            color: rgba(255,255,255,.45);
            font-size: 10px;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-top: 3px;
        }

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

        .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: 6px;
            color: var(--text-sidebar);
            font-size: 15px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all .2s ease;
            outline-offset: 2px;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255,255,255,.05);
            border-left-color: var(--brand-gold);
        }

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

        .nav-link.active {
            color: #fff;
            font-weight: 700;
            background: rgba(255,255,255,.04);
            border-left-color: var(--brand-gold);
        }

        .nav-link.active i {
            color: var(--brand-gold);
        }

        .nav-link i {
            width: 22px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .sidebar-footer {
            margin-top: auto;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,.08);
        }

        .brand-slogan {
            color: rgba(255,255,255,.55);
            font-size: 13px;
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .sidebar-icp {
            color: rgba(255,255,255,.3);
            font-size: 11px;
            line-height: 1.5;
        }

        /* ===== Mobile Header / Drawer ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--ink-black);
            z-index: 1100;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            border-bottom: 1px solid rgba(255,255,255,.08);
        }

        .mobile-logo {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .mobile-logo:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 4px;
        }

        .hamburger-btn {
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            padding: 0;
        }

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

        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all .2s ease;
        }

        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: var(--ink-black);
            z-index: 1090;
            padding: 12px 0 24px;
            border-bottom: 1px solid rgba(255,255,255,.1);
            box-shadow: 0 16px 32px rgba(0,0,0,.3);
        }

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

        .drawer-nav {
            display: flex;
            flex-direction: column;
        }

        .drawer-nav .nav-link {
            padding: 14px 28px;
            font-size: 16px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-area {
            background: #EDEAE4;
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
        }

        .breadcrumb a {
            color: var(--brand-red);
            transition: color .2s;
        }

        .breadcrumb a:hover {
            color: var(--brand-red-dark);
        }

        .breadcrumb i {
            font-size: 10px;
            color: #aaa;
        }

        .breadcrumb .current {
            color: var(--text-secondary);
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== Article Section ===== */
        .article-section {
            padding: 60px 0 80px;
        }

        .article-layout {
            max-width: 860px;
            margin: 0 auto;
        }

        .article-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .article-header {
            padding: 48px 56px 32px;
            border-bottom: 1px solid var(--border-color);
        }

        .article-cat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 1px;
            color: var(--brand-red);
            background: rgba(214,40,40,.08);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .article-header h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 0 0 20px 0;
            letter-spacing: 0.5px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--brand-gold);
            font-size: 14px;
        }

        .article-body {
            padding: 40px 56px 56px;
            max-width: 780px;
            margin: 0 auto;
        }

        .article-body p {
            margin-bottom: 1.2em;
            font-size: 16px;
            line-height: 1.8;
            color: #333;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 1.6em 0 .6em;
            line-height: 1.3;
            position: relative;
            padding-left: 16px;
        }

        .article-body h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--brand-red);
            border-radius: 2px;
        }

        .article-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 1.4em 0 .5em;
            color: var(--text-primary);
        }

        .article-body blockquote {
            border-left: 4px solid var(--brand-gold);
            background: var(--warm-gray);
            padding: 16px 24px;
            margin: 1.5em 0;
            font-size: 15px;
            color: #444;
            line-height: 1.7;
            border-radius: 0 var(--radius) var(--radius) 0;
        }

        .article-body ul, .article-body ol {
            margin: 1em 0 1.2em;
            padding-left: 1.5em;
        }

        .article-body li {
            margin-bottom: .5em;
            font-size: 15px;
            line-height: 1.7;
            color: #333;
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 1.5em auto;
            box-shadow: var(--shadow);
        }

        .article-body strong {
            font-weight: 700;
            color: var(--text-primary);
        }

        .article-body a {
            color: var(--brand-red);
            border-bottom: 1px solid transparent;
        }

        .article-body a:hover {
            border-bottom-color: var(--brand-red);
        }

        /* ===== Article Tags ===== */
        .article-tags {
            padding: 24px 0 0;
            border-top: 1px solid var(--border-color);
            margin-top: 36px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--warm-gray);
            color: var(--text-secondary);
            font-size: 13px;
            border-radius: 20px;
            transition: all .2s;
            border: 1px solid var(--border-color);
        }

        .tag:hover {
            background: rgba(214,40,40,.06);
            color: var(--brand-red);
            border-color: rgba(214,40,40,.2);
        }

        /* ===== Pager ===== */
        .article-pager {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            padding-top: 28px;
            margin-top: 36px;
            border-top: 1px solid var(--border-color);
        }

        .pager-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 13px;
            color: var(--text-primary);
            background: var(--warm-gray);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            transition: all .2s;
            min-height: 44px;
        }

        .pager-link:hover {
            background: var(--brand-red);
            color: #fff;
            border-color: var(--brand-red);
            box-shadow: var(--shadow);
        }

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

        /* ===== Related Section ===== */
        .related-section {
            padding: 70px 0 80px;
            background: var(--warm-gray);
            border-top: 1px solid var(--border-color);
        }

        .section-head {
            margin-bottom: 40px;
            text-align: center;
        }

        .section-en {
            display: block;
            font-size: 12px;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--brand-gold);
            font-weight: 600;
            margin-bottom: 6px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
        }

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

        .related-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .25s ease;
        }

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

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

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

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

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

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

        .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 12px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .card-date {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-date i {
            font-size: 12px;
            color: var(--brand-gold);
        }

        /* ===== Back Area ===== */
        .back-area {
            padding: 40px 0 80px;
            text-align: center;
            background: var(--warm-gray);
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 80px 40px;
            box-shadow: var(--shadow);
        }

        .not-found-box i {
            font-size: 56px;
            color: var(--brand-gold);
            margin-bottom: 20px;
        }

        .not-found-box h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .not-found-box p {
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink-black);
            color: rgba(255,255,255,.7);
            border-top: 4px solid var(--brand-red);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,.08);
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-logo:hover {
            color: var(--brand-gold);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255,255,255,.5);
            max-width: 320px;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

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

        .footer-nav a {
            color: rgba(255,255,255,.6);
            font-size: 14px;
            transition: all .2s;
            padding: 4px 0;
        }

        .footer-nav a:hover {
            color: var(--brand-gold);
        }

        .footer-nav a:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 4px;
        }

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255,255,255,.6);
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--brand-gold);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(255,255,255,.35);
            line-height: 1.7;
        }

        /* ===== Focus visible global ===== */
        a:focus-visible, button:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 3px;
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1023px) {
            :root {
                --sidebar-width: 72px;
            }

            .sidebar-inner {
                padding: 24px 16px;
            }

            .logo-text {
                display: none;
            }

            .logo-mark {
                width: 40px;
                height: 40px;
                font-size: 20px;
            }

            .sidebar-logo {
                padding-bottom: 24px;
                margin-bottom: 20px;
                text-align: center;
            }

            .brand-logo {
                justify-content: center;
            }

            .nav-link {
                justify-content: center;
                padding: 14px 0;
                border-left: none;
                border-bottom: 3px solid transparent;
            }

            .nav-link:hover {
                border-left-color: transparent;
                border-bottom-color: var(--brand-gold);
            }

            .nav-link.active {
                border-left-color: transparent;
                border-bottom-color: var(--brand-gold);
            }

            .nav-link span {
                display: none;
            }

            .nav-link i {
                font-size: 20px;
            }

            .sidebar-footer {
                text-align: center;
            }

            .brand-slogan {
                font-size: 11px;
            }

            .sidebar-icp {
                font-size: 10px;
            }
        }

        @media screen and (max-width: 767px) {
            :root {
                --container-pad: 16px;
                --section-space: 56px;
            }

            .site-sidebar {
                display: none;
            }

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

            .mobile-header {
                display: flex;
            }

            .breadcrumb-area {
                padding: 12px 0;
            }

            .breadcrumb {
                font-size: 12px;
                gap: 6px;
            }

            .breadcrumb .current {
                max-width: 180px;
            }

            .article-section {
                padding: 30px 0 50px;
            }

            .article-header {
                padding: 28px 20px 22px;
            }

            .article-header h1 {
                font-size: 24px;
                line-height: 1.35;
            }

            .article-meta {
                gap: 12px;
                font-size: 12px;
                flex-wrap: wrap;
            }

            .article-body {
                padding: 24px 20px 36px;
            }

            .article-body p {
                font-size: 15px;
            }

            .article-body h2 {
                font-size: 20px;
            }

            .related-section {
                padding: 48px 0 56px;
            }

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

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

            .article-pager {
                flex-direction: column;
                gap: 12px;
            }

            .pager-link {
                width: 100%;
                justify-content: center;
            }

            .back-area {
                padding: 30px 0 56px;
            }

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

            .mobile-drawer {
                display: none;
            }

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

        @media screen and (min-width: 768px) and (max-width: 1023px) {
            .mobile-drawer {
                display: none !important;
            }
        }

        @media screen and (min-width: 768px) {
            .mobile-drawer {
                display: none !important;
            }
        }

        @media screen and (max-width: 1023px) {
            .mobile-drawer {
                display: none;
            }

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

        @media screen and (min-width: 1024px) {
            .mobile-drawer {
                display: none !important;
            }
        }

/* roulang page: category3 */
:root{--brand-red:#D62828;--brand-red-hover:#B01E1E;--brand-gold:#F2A900;--ink-dark:#16181D;--ink-light:#1A1A1A;--bg-warm:#F5F3EE;--border-soft:#E7E3DC;--text-main:#1A1A1A;--text-sub:#6B6B6B;--white:#fff;--nav-gray:#B9BFC7;--radius:8px;--shadow-base:0 1px 3px rgba(0,0,0,.08);--shadow-hover:0 12px 24px rgba(0,0,0,.12);--font-main:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;--font-num:"DIN Alternate","Arial Narrow",sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:var(--bg-warm);color:var(--text-main);line-height:1.75;font-size:16px}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .2s ease}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit}
.container{max-width:1280px;margin:0 auto;padding:0 40px}
.grid-container{max-width:1280px;margin:0 auto;padding:0 40px}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:260px;background:var(--ink-dark);position:fixed;top:0;left:0;bottom:0;display:flex;flex-direction:column;z-index:100}
.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar-logo .logo-icon{width:36px;height:36px;background:var(--brand-red);border-radius:4px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:16px;flex-shrink:0}
.sidebar-logo .logo-text{color:#fff;font-weight:700;font-size:17px;line-height:1.2}
.sidebar-logo .logo-tag{color:var(--nav-gray);font-size:12px;margin-top:2px}
.sidebar-nav{flex:1;padding:20px 12px;display:flex;flex-direction:column;gap:4px}
.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:14px 16px;color:var(--nav-gray);font-size:16px;font-weight:500;border-radius:4px;border-left:3px solid transparent;transition:all .2s ease}
.sidebar-nav a:hover{color:#fff;border-left-color:var(--brand-gold);background:rgba(255,255,255,.05)}
.sidebar-nav a.active{color:#fff;font-weight:700;border-left-color:var(--brand-gold);background:rgba(255,255,255,.08)}
.sidebar-nav a i{width:20px;text-align:center;font-size:15px}
.sidebar-footer{padding:24px 24px 20px;border-top:1px solid rgba(255,255,255,.08)}
.sidebar-footer p{color:#5A5F66;font-size:12px;line-height:1.6}
.content-main{margin-left:260px;flex:1;min-width:0}
.mobile-header{display:none;position:fixed;top:0;left:0;right:0;z-index:200;background:var(--ink-dark);height:60px;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-logo{color:#fff;font-weight:700;font-size:15px;display:flex;align-items:center;gap:8px;line-height:1.2}
.mobile-logo .m-logo-icon{width:32px;height:32px;background:var(--brand-red);border-radius:4px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:14px;flex-shrink:0}
.mobile-logo .m-logo-tag{font-size:11px;color:var(--nav-gray);font-weight:400}
.menu-toggle{background:none;border:none;cursor:pointer;width:44px;height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:4px;transition:background .2s;padding:0}
.menu-toggle:hover{background:rgba(255,255,255,.1)}
.menu-toggle .bar{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:all .3s ease}
.menu-toggle.is-open .bar:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-toggle.is-open .bar:nth-child(2){opacity:0}
.menu-toggle.is-open .bar:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-menu{display:none;position:fixed;top:60px;left:0;right:0;background:var(--ink-dark);z-index:199;padding:12px;flex-direction:column;gap:4px;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-menu.open{display:flex}
.mobile-menu a{color:var(--nav-gray);padding:14px 16px;font-size:17px;font-weight:600;border-left:3px solid transparent;border-radius:4px;display:flex;align-items:center;gap:12px}
.mobile-menu a i{width:20px;text-align:center}
.mobile-menu a:hover{color:#fff;background:rgba(255,255,255,.05)}
.mobile-menu a.active{color:#fff;border-left-color:var(--brand-gold);background:rgba(255,255,255,.08)}
.hero-banner{position:relative;background:linear-gradient(90deg,rgba(22,24,29,.94) 0,rgba(22,24,29,.72) 40%,rgba(22,24,29,.38) 100%),url('/assets/images/backpic/back-3.png') center/cover no-repeat;padding:96px 0 72px;color:#fff;border-bottom:3px solid var(--brand-gold)}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(242,169,0,.15);border:1px solid rgba(242,169,0,.4);color:var(--brand-gold);font-size:13px;font-weight:500;padding:6px 14px;border-radius:4px;margin-bottom:20px;letter-spacing:1px}
.hero-banner h1{font-size:46px;font-weight:800;line-height:1.2;margin-bottom:16px}
.hero-banner h1 .gold-underline{border-bottom:4px solid var(--brand-gold);padding-bottom:4px}
.hero-desc{font-size:18px;color:rgba(255,255,255,.86);max-width:580px;line-height:1.7;margin-bottom:28px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:600;padding:12px 32px;border-radius:var(--radius);border:1.5px solid transparent;cursor:pointer;transition:all .2s ease;min-height:44px;line-height:1.2}
.btn-primary{background:var(--brand-red);color:#fff}
.btn-primary:hover{background:var(--brand-red-hover);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline:hover{background:#fff;color:var(--ink-dark);transform:translateY(-2px)}
.btn-outline-dark{background:transparent;color:var(--brand-red);border-color:var(--brand-red)}
.btn-outline-dark:hover{background:var(--brand-red);color:#fff;transform:translateY(-2px)}
.section{padding:80px 0}
.section-title-wrap{margin-bottom:48px}
.s-en{display:block;font-size:12px;font-weight:500;letter-spacing:3px;color:var(--brand-red);margin-bottom:6px;text-transform:uppercase}
.section-title-wrap h2{font-size:32px;font-weight:700;line-height:1.3}
.s-desc{color:var(--text-sub);font-size:15px;margin-top:12px;max-width:640px;line-height:1.7}
.section-white{background:#fff}
.section-dark{background:var(--ink-dark);color:#fff}
.section-dark .section-title-wrap h2{color:#fff}
.section-dark .s-desc{color:rgba(255,255,255,.65)}
.highlight-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.highlight-card{background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius);padding:32px;transition:all .2s ease;position:relative;overflow:hidden}
.highlight-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--brand-red);transform:scaleY(0);transform-origin:top;transition:transform .3s ease}
.highlight-card:hover::before{transform:scaleY(1)}
.highlight-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.highlight-card.large{grid-column:span 7}
.highlight-card.medium{grid-column:span 5}
.highlight-card.small-l{grid-column:span 5}
.highlight-card.small-r{grid-column:span 7}
.highlight-card .icon-box{width:52px;height:52px;border-radius:8px;background:rgba(214,40,40,.08);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.highlight-card .icon-box i{font-size:22px;color:var(--brand-red)}
.highlight-card h3{font-size:20px;font-weight:700;margin-bottom:12px;line-height:1.4}
.highlight-card p{color:var(--text-sub);font-size:14px;line-height:1.7}
.highlight-card .card-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-red);font-size:14px;font-weight:600;margin-top:16px}
.highlight-card .card-link i{transition:transform .2s}
.highlight-card:hover .card-link i{transform:translateX(4px)}
.imgtext-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:80px}
.imgtext-row:last-child{margin-bottom:0}
.imgtext-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-base);position:relative}
.imgtext-media img{width:100%;height:320px;object-fit:cover;transition:transform .3s ease}
.imgtext-media:hover img{transform:scale(1.03)}
.tag-line{display:inline-block;background:rgba(242,169,0,.12);color:#B8860B;font-size:12px;font-weight:600;padding:5px 14px;border-radius:20px;margin-bottom:16px;letter-spacing:1px}
.imgtext-content h3{font-size:26px;font-weight:700;margin-bottom:14px;line-height:1.35}
.imgtext-content p{color:var(--text-sub);font-size:15px;line-height:1.8;margin-bottom:16px}
.imgtext-list{margin:18px 0}
.imgtext-list li{display:flex;align-items:flex-start;gap:10px;padding:7px 0;font-size:15px}
.imgtext-list li i{color:var(--brand-gold);margin-top:6px;font-size:13px}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:40px}
.process-step{padding:32px 28px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);transition:all .2s ease;position:relative}
.process-step:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.process-step .step-num{font-family:var(--font-num);font-size:48px;font-weight:800;color:var(--brand-gold);line-height:1;margin-bottom:16px}
.process-step h3{font-size:18px;font-weight:700;margin-bottom:10px;color:#fff}
.process-step p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.75}
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:56px;padding-top:48px;border-top:1px solid rgba(255,255,255,.1)}
.stat-box{text-align:center}
.stat-box .stat-num{font-family:var(--font-num);font-size:46px;font-weight:800;color:var(--brand-gold);line-height:1.2}
.stat-box .stat-label{color:rgba(255,255,255,.65);font-size:13px;margin-top:6px;letter-spacing:1px}
.related-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.rel-card{background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius);overflow:hidden;transition:all .2s ease;display:block}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.rel-card.wide{grid-column:span 12;display:grid;grid-template-columns:1fr 1.4fr;align-items:stretch}
.rel-card.wide .rel-img{height:100%;min-height:230px}
.rel-card.normal{grid-column:span 6}
.rel-card .rel-img{width:100%;height:190px;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-img{transform:scale(1.03)}
.rel-img-wrap{overflow:hidden;position:relative}
.rel-card.normal .rel-img-wrap{height:190px}
.rel-card.wide .rel-img-wrap{min-height:230px}
.rel-card.wide .rel-img-wrap img{height:100%;min-height:230px;width:100%;object-fit:cover}
.rel-body{padding:24px}
.rel-tag{display:inline-block;background:rgba(242,169,0,.12);color:#B8860B;font-size:12px;font-weight:600;padding:4px 12px;border-radius:20px;margin-bottom:12px}
.rel-body h3{font-size:18px;font-weight:700;margin-bottom:10px;line-height:1.4}
.rel-body p{color:var(--text-sub);font-size:14px;line-height:1.7;margin-bottom:14px}
.rel-meta{display:flex;align-items:center;gap:10px;color:#999;font-size:12px}
.rel-meta i{color:var(--brand-gold)}
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease}
.faq-item:hover{box-shadow:var(--shadow-base)}
.faq-item.open{box-shadow:var(--shadow-hover)}
.faq-q{display:flex;align-items:center;gap:16px;padding:20px 24px;cursor:pointer;user-select:none}
.faq-num{font-family:var(--font-num);color:var(--brand-gold);font-weight:700;font-size:18px;width:32px;flex-shrink:0}
.faq-title{flex:1;font-size:16px;font-weight:600}
.faq-icon{width:28px;height:28px;border:1.5px solid var(--border-soft);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--brand-red);font-size:14px;transition:all .3s ease;flex-shrink:0}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-red);color:#fff;border-color:var(--brand-red)}
.faq-a{display:none;padding:0 24px 24px 72px;color:var(--text-sub);font-size:14px;line-height:1.85}
.faq-item.open .faq-a{display:block}
.cta-section{background:var(--brand-red);padding:64px 0;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.14}
.cta-section .grid-container{position:relative;z-index:2;text-align:center}
.cta-section h2{color:#fff;font-size:32px;font-weight:800;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.87);max-width:560px;margin:0 auto 28px;font-size:16px;line-height:1.7}
.btn-white{background:#fff;color:var(--brand-red)}
.btn-white:hover{background:rgba(255,255,255,.9);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.site-footer{background:var(--ink-dark);border-top:4px solid var(--brand-red);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1.2fr 1.4fr;gap:40px;padding-bottom:40px}
.footer-brand .footer-logo{color:#fff;font-size:20px;font-weight:800;display:inline-block;margin-bottom:14px}
.footer-brand p{color:var(--nav-gray);font-size:14px;line-height:1.75}
.footer-nav{display:flex;flex-direction:column;gap:10px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:10px}
.footer-nav a{color:var(--nav-gray);font-size:14px;transition:color .2s}
.footer-nav a:hover{color:var(--brand-gold)}
.footer-contact p{color:var(--nav-gray);font-size:14px;display:flex;align-items:center;gap:10px;margin-bottom:10px}
.footer-contact p i{color:var(--brand-gold);width:16px;text-align:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center}
.footer-bottom p{color:#5A5F66;font-size:12px}
.back-home-link{display:inline-flex;align-items:center;gap:8px;color:var(--brand-red);font-weight:600;font-size:14px;margin-top:48px;transition:gap .2s}
.back-home-link:hover{gap:12px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand-red);outline-offset:2px}
@media (max-width:1023px){
.sidebar{display:none}
.mobile-header{display:flex}
.content-main{margin-left:0;margin-top:60px}
.container{padding:0 24px}
.grid-container{padding:0 24px}
.section{padding:60px 0}
}
@media (max-width:767px){
.container{padding:0 20px}
.grid-container{padding:0 20px}
.hero-banner{padding:64px 0 52px}
.hero-banner h1{font-size:32px;line-height:1.25}
.hero-desc{font-size:16px}
.highlight-card.large,.highlight-card.medium,.highlight-card.small-l,.highlight-card.small-r{grid-column:span 12}
.imgtext-row{grid-template-columns:1fr;gap:24px}
.imgtext-media img{height:230px}
.process-grid{grid-template-columns:1fr;gap:16px}
.stats-band{grid-template-columns:1fr 1fr;gap:24px}
.footer-grid{grid-template-columns:1fr;gap:32px}
.rel-card.wide{grid-template-columns:1fr}
.rel-card.wide .rel-img-wrap,.rel-card.wide .rel-img-wrap img{min-height:200px}
.rel-card.normal{grid-column:span 12}
.hero-btns .btn{width:100%}
.section-title-wrap h2{font-size:26px}
.cta-section h2{font-size:26px}
.faq-a{padding-left:24px;padding-right:20px}
.faq-q{padding:18px 16px}
.faq-q .faq-title{font-size:15px}
.stat-box .stat-num{font-size:36px}
.back-home-link{margin-top:32px}
}
@media (min-width:768px) and (max-width:1023px){
.highlight-card.large{grid-column:span 7}
.highlight-card.medium{grid-column:span 5}
.highlight-card.small-l{grid-column:span 5}
.highlight-card.small-r{grid-column:span 7}
.rel-card.wide{grid-column:span 12}
.rel-card.normal{grid-column:span 6}
.footer-grid{grid-template-columns:1fr 1fr}
.process-step{padding:24px 20px}
}

/* roulang page: category2 */
:root {
            --primary: #D62828;
            --primary-hover: #B01E1E;
            --gold: #F2A900;
            --dark: #16181D;
            --dark-2: #1F2229;
            --light-bg: #F5F3EE;
            --border: #E7E3DC;
            --text: #1A1A1A;
            --text-light: #6B6B6B;
            --text-muted: #8A8A8A;
            --radius: 8px;
            --shadow: 0 1px 3px rgba(0, 0, 0, .08);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, .12);
            --transition: 0.2s ease;
            --spacing-section: 88px;
            --spacing-section-mobile: 60px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--light-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input, textarea {
            font-family: inherit;
            font-size: 16px;
        }

        ul, ol {
            list-style: none;
        }

        .grid-container {
            max-width: 1280px;
            padding-left: 40px;
            padding-right: 40px;
        }

        @media (max-width: 767px) {
            .grid-container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        /* ==== Sidebar ==== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 260px;
            height: 100vh;
            background: var(--dark);
            z-index: 200;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }

        .sidebar-header {
            padding: 24px 20px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .brand-logo {
            display: block;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 1px;
            line-height: 1.35;
            position: relative;
        }

        .brand-logo::after {
            content: '';
            display: block;
            width: 32px;
            height: 3px;
            background: var(--gold);
            margin-top: 8px;
            border-radius: 2px;
        }

        .brand-tag {
            display: block;
            color: var(--text-muted);
            font-size: 12px;
            letter-spacing: 2px;
            margin-top: 10px;
            text-transform: uppercase;
        }

        .sidebar-nav {
            padding: 20px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: var(--radius);
            color: #B9BFC7;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: background var(--transition), color var(--transition);
        }

        .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 17px;
        }

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

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

        .nav-link.active {
            color: #fff;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.05);
        }

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

        .sidebar-footer {
            padding: 20px 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-footer p {
            color: var(--text-muted);
            font-size: 12px;
            letter-spacing: 1px;
            line-height: 1.6;
        }

        /* ==== Main Wrapper ==== */
        .main-wrapper {
            margin-left: 260px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--light-bg);
        }

        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 150;
            background: var(--dark);
            height: 56px;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .mobile-brand {
            color: #fff;
            font-size: 17px;
            font-weight: 800;
            letter-spacing: 0.5px;
        }

        .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 4px;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 180;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .sidebar-overlay.active {
            opacity: 1;
        }

        /* ==== Main Content ==== */
        main {
            flex: 1;
        }

        /* ==== Page Hero ==== */
        .page-hero {
            background: linear-gradient(135deg, #F5F3EE 0%, #EFEBE2 100%);
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
            border-bottom: 4px solid var(--primary);
        }

        .page-hero::after {
            content: 'WADE';
            position: absolute;
            right: 30px;
            bottom: -30px;
            font-size: 140px;
            font-weight: 800;
            color: rgba(22, 24, 29, 0.04);
            letter-spacing: 8px;
            pointer-events: none;
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb a {
            color: var(--text-light);
        }

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

        .breadcrumb i {
            font-size: 10px;
            color: var(--border);
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }

        .page-hero h1::after {
            content: '';
            display: block;
            width: 100%;
            height: 4px;
            background: var(--gold);
            border-radius: 2px;
            margin-top: 10px;
        }

        .page-hero .subtitle {
            font-size: 17px;
            color: var(--text-light);
            max-width: 620px;
            line-height: 1.8;
            margin-top: 22px;
        }

        /* ==== Section Title ==== */
        .section-title {
            margin-bottom: 44px;
        }

        .section-title .en-label {
            display: block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 4px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
        }

        .section-title h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark);
        }

        .section-title .desc {
            color: var(--text-light);
            font-size: 15px;
            margin-top: 12px;
            max-width: 560px;
        }

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

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

        /* ==== Services Section ==== */
        .services-section {
            background: var(--light-bg);
        }

        .services-grid {
            display: grid;
            grid-template-columns: 1.25fr 1fr 1fr;
            gap: 24px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .service-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 0;
            height: 100%;
            background: var(--primary);
            transition: width 0.25s ease;
        }

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

        .service-card:hover::before {
            width: 4px;
        }

        .service-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: rgba(214, 40, 40, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
            color: var(--primary);
            font-size: 24px;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .service-card:hover .icon-wrap {
            background: var(--primary);
            color: #fff;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 20px;
        }

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

        .service-card .card-link:hover {
            gap: 10px;
        }

        .service-card.featured {
            background: var(--dark);
            border-color: var(--dark);
        }

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

        .service-card.featured p {
            color: #B9BFC7;
        }

        .service-card.featured .icon-wrap {
            background: rgba(242, 169, 0, 0.18);
            color: var(--gold);
        }

        .service-card.featured:hover .icon-wrap {
            background: var(--gold);
            color: var(--dark);
        }

        .service-card.featured .card-link {
            color: var(--gold);
        }

        /* ==== Feature Section ==== */
        .feature-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 72px;
        }

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

        .feature-row.reverse .feature-media {
            order: 2;
        }

        .feature-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }

        .feature-media img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .feature-content .tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(242, 169, 0, 0.15);
            color: #B8860B;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            border-radius: 20px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .feature-content h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .feature-content p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .feature-content .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
        }

        .feature-content .text-link:hover {
            gap: 12px;
        }

        /* ==== Process Section ==== */
        .process-section {
            background: linear-gradient(rgba(22, 24, 29, 0.93), rgba(28, 30, 36, 0.93)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
        }

        .process-section .section-title h2 {
            color: #fff;
        }

        .process-section .section-title .desc {
            color: #B9BFC7;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            position: relative;
        }

        .process-step {
            position: relative;
            padding: 32px 28px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: background 0.2s ease;
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.09);
        }

        .process-step .step-num {
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
            font-size: 42px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1;
            margin-bottom: 18px;
            display: block;
        }

        .process-step .step-line {
            width: 32px;
            height: 2px;
            background: var(--primary);
            margin-bottom: 18px;
            border-radius: 2px;
        }

        .process-step h3 {
            font-size: 19px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        .process-step p {
            font-size: 14px;
            color: #B9BFC7;
            line-height: 1.75;
        }

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

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

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

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

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

        .faq-question {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 22px 24px;
            cursor: pointer;
            user-select: none;
            transition: background 0.2s ease;
        }

        .faq-question:hover {
            background: #FAF8F4;
        }

        .faq-number {
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            min-width: 32px;
        }

        .faq-text {
            flex: 1;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.5;
        }

        .faq-toggle {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1.5px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 14px;
            transition: transform 0.3s ease, border-color 0.2s ease, color 0.2s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
            border-color: var(--primary);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 320px;
        }

        .faq-answer-inner {
            padding: 0 24px 22px 76px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 18px;
            margin-top: 0;
        }

        /* ==== CTA Section ==== */
        .cta-section {
            background: var(--dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--gold));
        }

        .cta-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 18px;
            color: #fff;
        }

        .cta-info p {
            font-size: 15px;
            color: #B9BFC7;
            line-height: 1.8;
            max-width: 420px;
        }

        .contact-form {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            padding: 36px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .form-group {
            margin-bottom: 24px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: #B9BFC7;
            margin-bottom: 6px;
        }

        .form-group .required {
            color: var(--primary);
            margin-right: 2px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 0;
            border: none;
            border-bottom: 1.5px solid #3D4147;
            background: transparent;
            color: #fff;
            font-size: 16px;
            border-radius: 0;
            margin-bottom: 0;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: #6B6F76;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-bottom-color: var(--primary);
            background: rgba(242, 169, 0, 0.06);
        }

        /* ==== Buttons ==== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            text-decoration: none;
            border: none;
            cursor: pointer;
        }

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

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(214, 40, 40, 0.3);
            color: #fff;
        }

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

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
        }

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

        .btn-block {
            width: 100%;
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .faq-toggle:focus-visible,
        .hamburger:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        /* ==== Footer ==== */
        .site-footer {
            background: var(--dark);
            color: #B9BFC7;
            border-top: 4px solid var(--primary);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            display: inline-block;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #8A8F96;
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--primary);
        }

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

        .footer-nav a {
            color: #B9BFC7;
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

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

        .footer-contact p {
            font-size: 14px;
            color: #B9BFC7;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--gold);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 12px;
            color: #5A5F66;
        }

        /* ==== Responsive ==== */
        @media (max-width: 1023px) {
            .sidebar {
                width: 72px;
            }

            .sidebar-header {
                padding: 18px 12px;
                text-align: center;
            }

            .brand-logo {
                font-size: 14px;
                line-height: 1.2;
            }

            .brand-logo::after {
                margin: 6px auto 0;
                width: 20px;
            }

            .brand-tag,
            .sidebar-footer p,
            .nav-link span {
                display: none;
            }

            .sidebar-nav {
                padding: 14px 8px;
                align-items: center;
            }

            .nav-link {
                justify-content: center;
                padding: 14px 0;
                width: 100%;
            }

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

            .main-wrapper {
                margin-left: 72px;
            }

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

            .service-card.featured {
                grid-column: span 2;
            }

            .feature-row {
                gap: 32px;
            }

            .process-steps {
                gap: 24px;
            }

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

        @media (max-width: 767px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .sidebar-header {
                text-align: left;
                padding: 24px 20px;
            }

            .brand-logo {
                font-size: 20px;
            }

            .brand-logo::after {
                margin: 8px 0 0;
            }

            .brand-tag {
                display: block;
            }

            .sidebar-nav {
                align-items: stretch;
                padding: 20px 12px;
            }

            .nav-link {
                justify-content: flex-start;
                padding: 14px 16px;
            }

            .nav-link span {
                display: inline;
            }

            .nav-link i {
                font-size: 17px;
            }

            .sidebar-footer p {
                display: block;
            }

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

            .mobile-topbar {
                display: flex;
            }

            .sidebar-overlay {
                display: block;
            }

            .page-hero {
                padding: 48px 0 40px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero .subtitle {
                font-size: 15px;
                max-width: 100%;
            }

            .page-hero::after {
                font-size: 80px;
                right: 10px;
                bottom: -10px;
            }

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

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

            .service-card.featured {
                grid-column: span 1;
            }

            .feature-row {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 48px;
            }

            .feature-row.reverse .feature-media {
                order: 0;
            }

            .feature-content h3 {
                font-size: 22px;
            }

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

            .process-step {
                padding: 24px 20px;
            }

            .faq-question {
                padding: 18px 16px;
                gap: 12px;
            }

            .faq-number {
                min-width: 24px;
                font-size: 16px;
            }

            .faq-text {
                font-size: 15px;
            }

            .faq-answer-inner {
                padding: 16px 16px 18px 52px;
            }

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

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

            .contact-form {
                padding: 24px 20px;
            }

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

            .btn {
                width: 100%;
            }
        }

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

            .page-hero h1 {
                font-size: 28px;
            }

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

            .feature-media img {
                aspect-ratio: 4 / 3;
            }

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