/* roulang page: index */
:root {
  --brand-primary: #0D7A5F;
  --brand-dark: #084C3E;
  --brand-light: #E8F3EF;
  --accent-orange: #F59F00;
  --bg-body: #F8F7F4;
  --bg-white: #FFFFFF;
  --text-primary: #1F2933;
  --text-body: #4B5563;
  --text-muted: #8A949E;
  --line-border: #E5E7EB;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-body);
  line-height: 1.75;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  color: var(--brand-dark);
}
img {
  max-width: 100%;
  height: auto;
}
button, input {
  font-family: inherit;
}
.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}
.btn {
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  font-weight: 600;
  font-size: 15px;
  transition: all .2s ease;
  border: 2px solid transparent;
}
.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}
.btn-accent {
  background: linear-gradient(135deg, #F59F00, #E67700);
  color: #fff;
  border: 2px solid transparent;
  box-shadow: 0 4px 14px rgba(245, 159, 0, .3);
}
.btn-accent:hover {
  background: linear-gradient(135deg, #E8890C, #D96B00);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 159, 0, .4);
}
.btn-accent:active {
  transform: translateY(0);
}
.btn-outline-light {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, .85);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border-color: #fff;
}
.btn-primary-brand {
  background: var(--brand-primary);
  color: #fff;
}
.btn-primary-brand:hover {
  background: var(--brand-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn:focus-visible,
.btn-outline-light:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, .8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-border);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
}
.navbar {
  min-height: 72px;
  padding: 0;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  margin: 0;
}
.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.brand-icon svg {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}
.brand-text {
  font-size: 19px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: .5px;
  white-space: nowrap;
}
.brand-text strong {
  font-weight: 800;
  color: var(--brand-primary);
}
.navbar-nav {
  gap: 4px;
  margin-left: auto;
  margin-right: auto;
}
.navbar-nav .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  padding: 8px 18px !important;
  border-radius: 8px;
  position: relative;
  transition: color .2s ease, background .2s ease;
}
.navbar-nav .nav-link:hover {
  color: var(--brand-primary);
  background: var(--brand-light);
}
.navbar-nav .nav-link.active {
  color: var(--brand-primary);
  font-weight: 600;
  background: var(--brand-light);
}
.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  background: var(--brand-primary);
  border-radius: 2px;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  display: flex;
  align-items: center;
  height: 40px;
  background: #fff;
  border: 1px solid var(--line-border);
  border-radius: 999px;
  padding: 0 12px 0 16px;
  gap: 8px;
  width: 240px;
  transition: all .3s ease;
  box-shadow: var(--shadow-sm);
}
.search-box:focus-within {
  border-color: var(--brand-primary);
  width: 300px;
  box-shadow: 0 0 0 3px rgba(13, 122, 95, .15);
}
.search-box i {
  color: var(--text-muted);
  font-size: 14px;
}
.search-box input {
  border: none;
  outline: none;
  flex: 1;
  font-size: 13px;
  color: var(--text-primary);
  background: transparent;
}
.search-box input::placeholder {
  color: var(--text-muted);
  font-size: 13px;
}
.search-box kbd {
  background: var(--bg-body);
  border: 1px solid var(--line-border);
  border-radius: 5px;
  font-size: 11px;
  padding: 2px 6px;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-weight: 500;
}
.btn-login {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 8px;
  transition: all .2s;
}
.btn-login:hover {
  color: var(--brand-primary);
  background: var(--brand-light);
}
.navbar-toggler {
  border: 1px solid var(--line-border);
  border-radius: 10px;
  padding: 6px 10px;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(13, 122, 95, .2);
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, rgba(8, 76, 62, .96), rgba(13, 122, 95, .88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 88px 0 72px;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .04);
  pointer-events: none;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(13, 122, 95, .25);
  pointer-events: none;
}
.hero-container {
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, .9);
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-badge i {
  color: var(--accent-orange);
}
.hero-title {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
  margin: 0 0 20px;
  letter-spacing: 1px;
}
.hero-title span {
  color: var(--accent-orange);
}
.hero-subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .85);
  margin-bottom: 32px;
  max-width: 560px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-orange);
  font-feature-settings: "tnum";
  line-height: 1.2;
}
.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
  line-height: 1.4;
  margin-top: 4px;
}
.hero-visual {
  position: relative;
}
.hero-cover {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
  border: 4px solid rgba(255, 255, 255, .15);
}
.hero-float-card {
  position: absolute;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: float 3s ease-in-out infinite;
}
.hero-float-card i {
  font-size: 22px;
  color: var(--brand-primary);
  width: 40px;
  height: 40px;
  background: var(--brand-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-float-card strong {
  font-size: 15px;
  color: var(--text-primary);
  display: block;
  line-height: 1.3;
}
.hero-float-card span {
  font-size: 12px;
  color: var(--text-muted);
}
.float-card-1 {
  top: 24px;
  left: -20px;
}
.float-card-2 {
  bottom: 24px;
  right: -16px;
  animation-delay: 1.5s;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== Section header ===== */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
}
.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
  margin: 0;
  position: relative;
  padding-left: 16px;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: var(--brand-primary);
  border-radius: 4px;
}
.section-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 8px;
}
.view-all {
  font-size: 15px;
  font-weight: 600;
  color: var(--brand-primary);
  white-space: nowrap;
  transition: all .2s;
}
.view-all i {
  transition: transform .2s;
  margin-left: 4px;
}
.view-all:hover {
  color: var(--brand-dark);
}
.view-all:hover i {
  transform: translateX(4px);
}

/* ===== Services ===== */
.services-section {
  padding: 100px 0;
}
.service-card {
  background: var(--bg-white);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-card-imgwrap {
  overflow: hidden;
  height: 200px;
  position: relative;
}
.service-card-imgwrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.service-card:hover .service-card-imgwrap img {
  transform: scale(1.05);
}
.service-card-imgwrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, .12));
  pointer-events: none;
}
.service-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-tag {
  display: inline-block;
  background: var(--brand-light);
  color: var(--brand-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  align-self: flex-start;
  margin-bottom: 12px;
  letter-spacing: .3px;
}
.service-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}
.service-desc {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.service-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #F0F1F3;
  padding-top: 16px;
}
.service-price {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-primary);
}
.service-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  transition: all .2s;
}
.service-link i {
  transition: transform .2s;
  font-size: 13px;
  margin-left: 3px;
}
.service-link:hover {
  color: var(--brand-primary);
}
.service-link:hover i {
  transform: translateX(4px);
}

/* ===== Features ===== */
.features-section {
  background: var(--brand-light);
  padding: 80px 0;
}
.feature-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--line-border);
  padding: 32px 28px;
  height: 100%;
  transition: all .25s ease;
}
.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--brand-light);
  color: var(--brand-primary);
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all .25s;
}
.feature-item:hover .feature-icon {
  background: var(--brand-primary);
  color: #fff;
}
.feature-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  margin: 0;
}

/* ===== Trust bar ===== */
.trust-section {
  padding: 56px 0;
  border-bottom: 1px solid var(--line-border);
  background: var(--bg-white);
}
.trust-list {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 24px;
}
.trust-item:first-child {
  padding-left: 0;
}
.trust-item+.trust-item {
  border-left: 1px solid var(--line-border);
}
.trust-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--brand-light);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.trust-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}
.trust-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ===== Testimonials ===== */
.testimonial-section {
  padding: 100px 0;
}
.testimonial-wrap {
  background: var(--brand-dark);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  position: relative;
  overflow: hidden;
}
.testimonial-wrap::before {
  content: '\201C';
  position: absolute;
  top: -20px;
  left: 30px;
  font-size: 180px;
  font-family: Georgia, serif;
  color: rgba(255, 255, 255, .08);
  line-height: 1;
}
.testimonial-tag {
  display: inline-block;
  background: rgba(255, 255, 255, .12);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, .9);
  margin-bottom: 24px;
  letter-spacing: .5px;
}
.testimonial-text {
  font-size: 19px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .95);
  max-width: 760px;
  margin: 0 auto 24px;
  text-align: center;
  min-height: 90px;
}
.testimonial-author {
  text-align: center;
}
.testimonial-author .author-name {
  color: #fff;
  font-weight: 600;
  font-size: 16px;
}
.testimonial-author .author-badge {
  display: inline-block;
  background: var(--accent-orange);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 2px 10px;
  margin-left: 8px;
}
.testimonial-carousel .carousel-control-prev,
.testimonial-carousel .carousel-control-next {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .4);
  background: transparent;
  top: 50%;
  transform: translateY(-50%);
  opacity: .8;
  transition: all .2s;
}
.testimonial-carousel .carousel-control-prev {
  left: 24px;
}
.testimonial-carousel .carousel-control-next {
  right: 24px;
}
.testimonial-carousel .carousel-control-prev:hover,
.testimonial-carousel .carousel-control-next:hover {
  background: rgba(255, 255, 255, .15);
  opacity: 1;
}
.testimonial-carousel .carousel-control-prev-icon,
.testimonial-carousel .carousel-control-next-icon {
  width: 18px;
  height: 18px;
}
.testimonial-carousel .carousel-indicators {
  bottom: 16px;
}
.testimonial-carousel .carousel-indicators button {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, .4);
  border: none;
  transition: all .3s ease;
  margin: 0 4px;
}
.testimonial-carousel .carousel-indicators button.active {
  width: 24px;
  background: var(--accent-orange);
}

/* ===== News ===== */
.news-section {
  padding: 100px 0;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.news-item {
  display: flex;
  gap: 20px;
  background: var(--bg-white);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all .25s ease;
}
.news-item:hover {
  background: var(--brand-light);
  box-shadow: var(--shadow-sm);
}
.news-thumb {
  width: 140px;
  height: 90px;
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.news-item:hover .news-thumb img {
  transform: scale(1.08);
}
.news-content {
  flex: 1;
  min-width: 0;
}
.news-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.news-tag {
  background: var(--brand-light);
  color: var(--brand-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  flex-shrink: 0;
}
.news-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-title a {
  color: var(--text-primary);
}
.news-title a:hover {
  color: var(--brand-primary);
}
.news-excerpt {
  font-size: 14px;
  color: var(--text-body);
  margin: 6px 0 10px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.news-meta i {
  margin-right: 4px;
  font-size: 12px;
}
.news-more {
  margin-left: auto;
  color: var(--brand-primary);
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
}
.news-more:hover {
  color: var(--brand-dark);
}
.news-empty {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-white);
  border: 1px dashed var(--line-border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
}
.news-empty i {
  font-size: 42px;
  display: block;
  margin-bottom: 12px;
  color: var(--line-border);
}
.news-empty strong {
  display: block;
  font-size: 17px;
  color: var(--text-body);
  margin-bottom: 4px;
}
.news-empty span {
  font-size: 14px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 100px 0;
  background: var(--bg-white);
}
.accordion-item {
  background: #fff;
  border: 1px solid var(--line-border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.accordion-item:has(.accordion-button:not(.collapsed)) {
  border-color: rgba(13, 122, 95, .35);
  box-shadow: 0 0 0 3px rgba(13, 122, 95, .07);
}
.accordion-button {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  background: #fff;
  padding: 20px 24px;
  box-shadow: none;
}
.accordion-button:not(.collapsed) {
  color: var(--brand-primary);
  background: var(--brand-light);
}
.accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(13, 122, 95, .15);
}
.accordion-button::after {
  background: none;
  content: '+';
  font-size: 22px;
  font-weight: 400;
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .25s;
}
.accordion-button:not(.collapsed)::after {
  content: '−';
  transform: rotate(0);
}
.accordion-body {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-body);
  background: var(--bg-white);
  border-top: 1px solid rgba(13, 122, 95, .08);
}
.accordion-body p {
  margin-bottom: 0;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--brand-dark) 0%, #0A5E4A 60%, var(--brand-primary) 100%);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .05);
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 30px solid rgba(255, 255, 255, .04);
}
.cta-inner {
  text-align: center;
  position: relative;
  z-index: 2;
}
.cta-title {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.cta-desc {
  font-size: 17px;
  color: rgba(255, 255, 255, .8);
  margin-bottom: 32px;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--brand-dark);
  color: rgba(255, 255, 255, .75);
  padding-top: 64px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.footer-brand .brand-icon svg {
  width: 40px;
  height: 40px;
}
.footer-brand .brand-text {
  color: #fff;
  font-size: 20px;
}
.footer-brand .brand-text strong {
  color: #45D6A7;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .65);
  margin-bottom: 24px;
  max-width: 320px;
}
.social-links {
  display: flex;
  gap: 12px;
}
.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, .8);
  font-size: 16px;
  transition: all .2s;
}
.social-links a:hover {
  background: var(--brand-primary);
  color: #fff;
  transform: translateY(-2px);
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: .5px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  color: rgba(255, 255, 255, .7);
  font-size: 14px;
  transition: all .2s;
}
.footer-col ul a:hover {
  color: #45D6A7;
  padding-left: 4px;
}
.footer-col .contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
  margin-bottom: 12px;
}
.footer-col .contact-list i {
  color: #45D6A7;
  margin-top: 4px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
  margin-top: 48px;
  background: rgba(0, 0, 0, .2);
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}
.footer-bottom a {
  color: rgba(255, 255, 255, .6);
}
.footer-bottom a:hover {
  color: #fff;
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: #fff;
    padding: 16px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    margin-top: 10px;
  }
  .navbar-nav {
    margin-left: 0;
    margin-right: 0;
  }
  .navbar-nav .nav-link {
    padding: 10px 16px !important;
    border-radius: 8px;
  }
  .navbar-nav .nav-link.active::after {
    display: none;
  }
  .nav-actions {
    flex-wrap: wrap;
    margin-top: 12px;
    width: 100%;
  }
  .search-box {
    flex: 1;
    min-width: 200px;
  }
  .hero-section {
    padding: 60px 0 56px;
  }
  .hero-title {
    font-size: 36px;
  }
  .hero-cover {
    height: 320px;
  }
  .float-card-1 {
    left: -10px;
  }
  .float-card-2 {
    right: -10px;
  }
  .services-section {
    padding: 72px 0;
  }
  .trust-item {
    padding: 0 12px;
  }
  .testimonial-wrap {
    padding: 48px 32px;
  }
  .news-section,
  .faq-section {
    padding: 72px 0;
  }
}
@media (max-width: 767.98px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero-section {
    padding: 48px 0 48px;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-btns .btn {
    width: 100%;
  }
  .hero-stats {
    gap: 20px;
    justify-content: space-between;
  }
  .stat-num {
    font-size: 24px;
  }
  .hero-cover {
    height: 240px;
    margin-top: 40px;
  }
  .float-card-1,
  .float-card-2 {
    display: none;
  }
  .services-section,
  .features-section,
  .testimonial-section,
  .news-section,
  .faq-section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 26px;
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 28px;
  }
  .service-card-imgwrap {
    height: 170px;
  }
  .trust-list {
    justify-content: flex-start;
    gap: 16px;
  }
  .trust-item {
    width: calc(50% - 8px);
    padding: 0;
    border-left: none !important;
  }
  .trust-item .trust-icon {
    width: 40px;
    height: 40px;
    font-size: 15px;
  }
  .trust-title {
    font-size: 15px;
  }
  .trust-desc {
    font-size: 12px;
  }
  .testimonial-wrap {
    padding: 40px 20px;
  }
  .testimonial-text {
    font-size: 16px;
    min-height: 72px;
  }
  .testimonial-carousel .carousel-control-prev,
  .testimonial-carousel .carousel-control-next {
    display: none;
  }
  .news-item {
    flex-direction: column;
    gap: 12px;
  }
  .news-thumb {
    width: 100%;
    height: 150px;
  }
  .news-meta {
    flex-wrap: wrap;
    gap: 8px 14px;
  }
  .news-more {
    margin-left: 0;
    width: 100%;
  }
  .cta-title {
    font-size: 24px;
  }
  .cta-desc {
    font-size: 15px;
  }
  .cta-btns .btn {
    width: 100%;
  }
  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 575.98px) {
  .search-box {
    width: 100%;
  }
  .search-box:focus-within {
    width: 100%;
  }
  .nav-actions {
    gap: 8px;
  }
  .btn-login {
    padding: 6px 10px;
    font-size: 13px;
  }
  .btn-accent {
    padding: 8px 16px;
    font-size: 13px;
  }
  .hero-title {
    font-size: 27px;
  }
  .hero-btns {
    flex-direction: column;
    gap: 10px;
  }
  .hero-stats {
    gap: 16px;
  }
  .stat-num {
    font-size: 22px;
  }
  .stat-label {
    font-size: 12px;
  }
  .section-title {
    font-size: 23px;
  }
  .service-card-body {
    padding: 18px;
  }
  .testimonial-text {
    font-size: 15px;
  }
  .accordion-button {
    font-size: 15px;
    padding: 16px 18px;
  }
  .accordion-body {
    padding: 0 18px 18px;
  }
}

/* roulang page: category1 */
:root {
            --brand-primary: #0D7A5F;
            --brand-dark: #084C3E;
            --brand-light: #E8F3EF;
            --accent-orange: #F59F00;
            --bg-body: #F8F7F4;
            --bg-white: #FFFFFF;
            --text-primary: #1F2933;
            --text-body: #4B5563;
            --text-muted: #8A949E;
            --line-border: #E5E7EB;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --transition: all 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.75;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line-border);
            transition: box-shadow 0.3s ease, background 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: var(--shadow-md);
        }

        .site-header .navbar {
            padding: 0;
            min-height: 72px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 40px;
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .brand-icon svg {
            width: 32px;
            height: 32px;
            display: block;
        }

        .brand-text {
            font-size: 18px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-text strong {
            font-weight: 800;
            color: var(--brand-primary);
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .navbar-nav .nav-item {
            margin: 0 2px;
        }

        .navbar-nav .nav-link {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: var(--transition);
        }

        .navbar-nav .nav-link:hover {
            color: var(--brand-primary);
            background: var(--brand-light);
        }

        .navbar-nav .nav-link.active {
            color: var(--brand-primary);
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 2px;
            background: var(--brand-primary);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-left: auto;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border: 1px solid var(--line-border);
            border-radius: 999px;
            padding: 0 14px;
            height: 40px;
            width: 240px;
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(13, 122, 95, 0.15);
            width: 320px;
        }

        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: 14px;
            color: var(--text-primary);
            min-width: 0;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-box kbd {
            background: transparent;
            border: 1px solid var(--line-border);
            border-radius: 6px;
            color: var(--text-muted);
            font-size: 11px;
            padding: 2px 6px;
            font-family: inherit;
            white-space: nowrap;
        }

        .btn-login {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            padding: 8px 4px;
            transition: var(--transition);
        }

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

        .btn-accent {
            background: linear-gradient(135deg, #F59F00, #E07E00);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            transition: var(--transition);
        }

        .btn-accent:hover {
            background: linear-gradient(135deg, #E07E00, #C96A00);
            color: #fff;
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .btn-accent:active {
            transform: scale(0.98);
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(13, 122, 95, 0.2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='%231F2933' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        /* ===== 通用按钮 ===== */
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: 12px 28px;
            transition: var(--transition);
        }

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

        .btn-primary-custom {
            background: var(--brand-primary);
            color: #fff;
            border: none;
        }

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

        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }

        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
        }

        /* ===== Hero 区 ===== */
        .page-hero {
            position: relative;
            background: var(--brand-dark);
            background-image: linear-gradient(rgba(8, 76, 62, 0.88), rgba(8, 76, 62, 0.92)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            border: 80px solid rgba(255, 255, 255, 0.04);
            top: -180px;
            right: -120px;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 50px solid rgba(255, 255, 255, 0.03);
            bottom: -120px;
            left: -80px;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 46px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 20px;
        }

        .page-hero h1 .text-accent {
            color: var(--accent-orange);
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 32px;
        }

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

        .hero-buttons .btn {
            min-width: 160px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stats .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent-orange);
            font-feature-settings: "tnum";
            line-height: 1.2;
        }

        .hero-stats .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 80px 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
        }

        .section-head .section-title-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.3;
        }

        .section-head .section-bar {
            width: 4px;
            height: 28px;
            background: var(--brand-primary);
            border-radius: 4px;
        }

        .section-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .section-link i {
            font-size: 13px;
            transition: transform 0.2s;
        }

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

        .section-sub {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== 服务内容卡片 ===== */
        .service-grid-section {
            background: var(--bg-white);
        }

        .service-card {
            background: var(--bg-white);
            border: 1px solid var(--line-border);
            border-radius: var(--radius-md);
            padding: 28px;
            height: 100%;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(13, 122, 95, 0.3);
        }

        .service-card .card-icon {
            width: 48px;
            height: 48px;
            background: var(--brand-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--brand-primary);
            margin-bottom: 20px;
        }

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

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

        .service-card .card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .service-card .card-link i {
            font-size: 12px;
            transition: transform 0.2s;
        }

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

        /* ===== 服务流程 ===== */
        .process-section {
            background: var(--brand-light);
        }

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

        .process-item {
            text-align: center;
            padding: 32px 20px;
        }

        .process-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 20px rgba(13, 122, 95, 0.25);
        }

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

        .process-item p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            max-width: 220px;
            margin: 0 auto;
        }

        /* ===== 赛事资讯时间线 ===== */
        .events-section {
            background: var(--bg-body);
        }

        .timeline-wrap {
            max-width: 860px;
            margin: 0 auto;
            position: relative;
            padding-left: 40px;
        }

        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 14px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--line-border);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            background: var(--bg-white);
            border: 1px solid var(--line-border);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            gap: 20px;
            transition: var(--transition);
        }

        .timeline-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(13, 122, 95, 0.3);
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -33px;
            top: 32px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--brand-primary);
            border: 3px solid var(--bg-body);
            box-shadow: 0 0 0 2px var(--brand-primary);
        }

        .timeline-thumb {
            width: 120px;
            height: 80px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .timeline-content {
            flex: 1;
        }

        .timeline-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .timeline-date .tag {
            background: var(--brand-light);
            color: var(--brand-primary);
            font-size: 12px;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: 999px;
        }

        .timeline-content h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .timeline-content h3 a {
            color: inherit;
        }

        .timeline-content h3 a:hover {
            color: var(--brand-primary);
        }

        .timeline-content p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .timeline-arrow {
            color: var(--brand-primary);
            font-size: 14px;
            align-self: center;
        }

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

        /* ===== CTA 合作区 ===== */
        .cooperation-section {
            background: linear-gradient(120deg, var(--brand-dark), #0D5F4B, var(--brand-primary));
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cooperation-section::before {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 60px solid rgba(255, 255, 255, 0.04);
            top: -100px;
            right: -60px;
        }

        .cooperation-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .cooperation-text {
            flex: 1;
        }

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

        .cooperation-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .cooperation-actions {
            display: flex;
            gap: 16px;
            flex-shrink: 0;
        }

        .cooperation-actions .btn {
            min-width: 140px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
            padding: 80px 0;
        }

        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--line-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(13, 122, 95, 0.3);
            background: rgba(232, 243, 239, 0.4);
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            padding: 20px 24px;
            box-shadow: none;
            border: none;
            position: relative;
            display: flex;
            align-items: center;
        }

        .accordion-button::after {
            content: "";
            display: inline-block;
            width: 10px;
            height: 10px;
            background: none;
            border-right: 2px solid var(--brand-primary);
            border-bottom: 2px solid var(--brand-primary);
            transform: rotate(-45deg);
            transition: transform 0.3s ease;
            position: absolute;
            right: 24px;
            flex-shrink: 0;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background: none;
        }

        .accordion-button:not(.collapsed) {
            color: var(--brand-primary);
            background: transparent;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .accordion-button:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: -2px;
        }

        .accordion-body {
            padding: 0 24px 24px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
        }

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

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

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-text {
            color: #fff;
            font-size: 20px;
        }

        .site-footer .footer-brand .brand-text strong {
            color: #4FC3A1;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 24px;
            max-width: 320px;
        }

        .social-links {
            display: flex;
            gap: 12px;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--brand-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            transition: var(--transition);
        }

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

        .contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .contact-list li i {
            width: 16px;
            color: var(--brand-primary);
        }

        .footer-bottom {
            background: rgba(0, 0, 0, 0.2);
            padding: 16px 0;
            margin-top: 48px;
        }

        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 移动端 ===== */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(255, 255, 255, 0.98);
                padding: 16px 0;
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-md);
                margin-top: 8px;
            }

            .navbar-nav {
                align-items: flex-start;
                flex-direction: column;
                gap: 0;
                width: 100%;
                margin-bottom: 16px;
            }

            .navbar-nav .nav-link {
                display: block;
                width: 100%;
                padding: 12px 16px;
            }

            .navbar-nav .nav-link.active::after {
                left: 16px;
                right: auto;
                width: 24px;
            }

            .nav-actions {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 12px;
                margin-left: 0;
            }

            .search-box {
                width: 100%;
            }

            .search-box:focus-within {
                width: 100%;
            }

            .btn-login {
                text-align: center;
                padding: 8px;
            }

            .btn-accent {
                text-align: center;
            }

            .navbar-brand {
                margin-right: 0;
            }

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

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

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .cooperation-inner {
                flex-direction: column;
                text-align: center;
            }

            .cooperation-actions {
                justify-content: center;
            }
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding: 56px 0;
            }

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

            .hero-stats {
                flex-wrap: wrap;
                gap: 24px;
            }

            .timeline-wrap {
                padding-left: 30px;
            }

            .timeline-item {
                flex-direction: column;
                padding: 20px;
            }

            .timeline-thumb {
                width: 100%;
                height: 160px;
            }

            .timeline-arrow {
                display: none;
            }
        }

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

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

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

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

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

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

            .process-item {
                padding: 24px 16px;
            }

            .timeline-item::before {
                left: -24px;
            }

            .timeline-wrap {
                padding-left: 24px;
            }

            .cooperation-text h2 {
                font-size: 24px;
            }

            .cooperation-actions {
                flex-direction: column;
                width: 100%;
            }

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

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

/* roulang page: article */
:root {
            --brand-primary: #0D7A5F;
            --brand-dark: #084C3E;
            --brand-light: #E8F3EF;
            --accent-orange: #F59F00;
            --bg-body: #F8F7F4;
            --bg-white: #FFFFFF;
            --text-primary: #1F2933;
            --text-body: #4B5563;
            --text-muted: #8A949E;
            --line-border: #E5E7EB;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        .container {
            max-width: 1200px;
        }

        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: 12px 28px;
            transition: all 0.2s ease;
            border: 2px solid transparent;
        }

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

        .btn-primary:hover {
            background: var(--brand-dark);
            border-color: var(--brand-dark);
            color: #fff;
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:focus,
        .btn-accent:focus,
        .btn-outline-light:focus {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
            box-shadow: none;
        }

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

        .btn-accent:hover {
            background: #D98A00;
            border-color: #D98A00;
            color: #fff;
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.8);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 8px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line-border);
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
            transition: box-shadow 0.3s ease, background 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: var(--shadow-md);
        }

        .site-header .navbar {
            padding: 12px 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 500;
            color: var(--text-primary);
            padding: 0;
            margin-right: 32px;
        }

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

        .navbar-brand .brand-text strong {
            font-weight: 800;
            color: var(--brand-primary);
            font-size: 22px;
        }

        .navbar-brand .brand-text {
            font-size: 18px;
            font-weight: 500;
            letter-spacing: 0;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .brand-icon {
            display: inline-flex;
            flex-shrink: 0;
        }

        .brand-icon svg {
            width: 36px;
            height: 36px;
            display: block;
        }

        .navbar-nav {
            gap: 4px;
            align-items: center;
        }

        .nav-item .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            padding: 8px 16px;
            border-radius: 8px;
            position: relative;
            transition: all 0.2s ease;
        }

        .nav-item .nav-link:hover {
            color: var(--brand-primary);
            background: var(--brand-light);
        }

        .nav-item .nav-link.active {
            color: var(--brand-primary);
            font-weight: 600;
            background: var(--brand-light);
        }

        .nav-item .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--brand-primary);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-left: auto;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border: 1px solid var(--line-border);
            border-radius: 999px;
            padding: 0 12px;
            height: 40px;
            width: 260px;
            transition: all 0.3s ease;
            color: var(--text-muted);
        }

        .search-box:focus-within {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(13, 122, 95, 0.12);
            width: 320px;
            background: #fff;
        }

        .search-box i {
            font-size: 14px;
            margin-right: 8px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            flex: 1;
            font-size: 14px;
            color: var(--text-primary);
            min-width: 0;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-box kbd {
            background: #eef0f2;
            border: 1px solid #d8dde3;
            border-radius: 5px;
            font-size: 11px;
            padding: 2px 6px;
            color: var(--text-muted);
            font-family: inherit;
            flex-shrink: 0;
            margin-left: 6px;
        }

        .btn-login {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: 8px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-login:hover {
            color: var(--brand-primary);
            background: var(--brand-light);
        }

        .navbar-toggler {
            border: 1px solid var(--line-border);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(13, 122, 95, 0.12);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(13,122,95,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 56px 0 80px;
        }

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

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 32px;
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

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

        .breadcrumb-nav .sep {
            color: #c0c6cc;
        }

        .breadcrumb-nav .current {
            color: var(--text-primary);
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 240px;
        }

        .article-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 14px;
            color: var(--text-muted);
            padding-bottom: 28px;
            margin-bottom: 36px;
            border-bottom: 1px solid var(--line-border);
        }

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

        .article-meta i {
            color: var(--brand-primary);
        }

        .tag-item {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
        }

        .article-content {
            max-width: 780px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 44px 0 18px;
            padding-left: 14px;
            border-left: 4px solid var(--brand-primary);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 32px 0 14px;
            line-height: 1.5;
        }

        .article-content h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 24px 0 12px;
        }

        .article-content p {
            margin-bottom: 24px;
            line-height: 1.9;
        }

        .article-content img {
            border-radius: 12px;
            margin: 28px auto;
            display: block;
            max-width: 100%;
            height: auto;
            box-shadow: var(--shadow-md);
        }

        .article-content ul,
        .article-content ol {
            margin: 20px 0 28px;
            padding-left: 26px;
            line-height: 1.9;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 8px;
        }

        .article-content ul li::marker {
            color: var(--brand-primary);
        }

        .article-content blockquote {
            background: var(--brand-light);
            border-left: 4px solid var(--brand-primary);
            border-radius: 0 12px 12px 0;
            padding: 20px 24px;
            margin: 28px 0;
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.8;
        }

        .article-content blockquote p {
            margin-bottom: 0;
            color: var(--text-primary);
        }

        .article-content a {
            color: var(--brand-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--brand-dark);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: 15px;
            border-radius: 12px;
            overflow: hidden;
        }

        .article-content table th {
            background: var(--brand-light);
            color: var(--text-primary);
            font-weight: 600;
            padding: 12px 16px;
            border: 1px solid var(--line-border);
            text-align: left;
        }

        .article-content table td {
            padding: 12px 16px;
            border: 1px solid var(--line-border);
            color: var(--text-body);
        }

        .article-content hr {
            border: none;
            border-top: 1px solid var(--line-border);
            margin: 40px 0;
        }

        .article-content .cta-inline {
            background: var(--brand-light);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin: 32px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-white);
            border: 1px solid var(--line-border);
            border-radius: var(--radius-lg);
        }

        .not-found-box i {
            font-size: 48px;
            color: var(--text-muted);
            margin-bottom: 16px;
            opacity: 0.5;
        }

        .not-found-box p {
            font-size: 18px;
            color: var(--text-primary);
            font-weight: 600;
            margin-bottom: 24px;
        }

        /* ===== CTA Soft ===== */
        .cta-soft {
            padding: 16px 0 64px;
        }

        .cta-soft-card {
            max-width: 860px;
            margin: 0 auto;
            background: var(--brand-light);
            border-radius: var(--radius-md);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            border: 1px solid rgba(13, 122, 95, 0.1);
        }

        .cta-soft-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .cta-soft-text p {
            margin-bottom: 0;
            font-size: 14px;
            color: var(--text-body);
        }

        /* ===== Related ===== */
        .related-section {
            padding: 64px 0 72px;
            background: #fff;
            border-top: 1px solid var(--line-border);
            border-bottom: 1px solid var(--line-border);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 32px;
            position: relative;
            padding-left: 16px;
            line-height: 1.4;
        }

        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--brand-primary);
            border-radius: 4px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-white);
            border: 1px solid var(--line-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            transition: all 0.25s ease;
            color: var(--text-primary);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            color: var(--text-primary);
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .related-body {
            padding: 20px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-tag {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .related-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s ease;
        }

        .related-card:hover .related-body h3 {
            color: var(--brand-primary);
        }

        .related-body .date {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Final CTA ===== */
        .cta-final {
            background: var(--brand-dark);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-final::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.06);
        }

        .cta-final::after {
            content: "";
            position: absolute;
            left: -60px;
            bottom: -120px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.04);
        }

        .cta-final .container {
            position: relative;
            z-index: 1;
        }

        .cta-final h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-final p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            margin-bottom: 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            font-size: 14px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-text {
            color: #fff;
            font-size: 18px;
            font-weight: 500;
        }

        .site-footer .footer-brand .brand-text strong {
            color: #fff;
            font-weight: 800;
            font-size: 20px;
        }

        .site-footer .footer-brand .brand-icon svg {
            width: 32px;
            height: 32px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            max-width: 340px;
        }

        .social-links {
            display: flex;
            gap: 12px;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.8);
            transition: all 0.25s ease;
        }

        .social-links a:hover {
            background: var(--brand-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

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

        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }

        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: all 0.2s ease;
            font-size: 14px;
        }

        .site-footer .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .site-footer .contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }

        .site-footer .contact-list li i {
            color: var(--accent-orange);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
            padding: 20px 0;
        }

        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                padding: 16px 0 8px;
            }

            .navbar-nav {
                gap: 0;
                margin-bottom: 16px;
                align-items: stretch;
            }

            .nav-item .nav-link {
                padding: 12px 16px;
                border-radius: 10px;
            }

            .nav-item .nav-link.active::after {
                left: 16px;
                right: auto;
                width: 24px;
            }

            .nav-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--line-border);
            }

            .search-box {
                width: 100%;
            }

            .search-box:focus-within {
                width: 100%;
            }

            .btn-login {
                text-align: center;
                padding: 10px;
                background: var(--bg-body);
                border-radius: 10px;
            }

            .btn-accent {
                text-align: center;
            }

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

            .cta-soft-card {
                padding: 28px 24px;
            }
        }

        @media (max-width: 767.98px) {
            .article-main {
                padding: 40px 0 56px;
            }

            .article-title {
                font-size: 26px;
            }

            .article-meta {
                gap: 12px;
                padding-bottom: 20px;
                margin-bottom: 28px;
            }

            .article-content {
                font-size: 15px;
            }

            .article-content h2 {
                font-size: 22px;
            }

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

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

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

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

            .cta-soft-card {
                flex-direction: column;
                text-align: center;
            }

            .cta-soft-card .btn {
                width: 100%;
            }

            .footer-bottom .container {
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .article-wrap {
                padding: 0 4px;
            }

            .breadcrumb-nav {
                font-size: 13px;
                margin-bottom: 20px;
            }

            .breadcrumb-nav .current {
                max-width: 160px;
            }

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

            .article-meta {
                font-size: 13px;
            }

            .related-body {
                padding: 16px;
            }

            .cta-final .btn {
                width: 100%;
                margin-bottom: 8px;
            }

            .cta-final .btn:last-child {
                margin-bottom: 0;
            }
        }

/* roulang page: category2 */
:root {
  --brand-primary: #0D7A5F;
  --brand-dark: #084C3E;
  --brand-light: #E8F3EF;
  --accent-orange: #F59F00;
  --accent-dark: #D98200;
  --bg-body: #F8F7F4;
  --bg-white: #FFFFFF;
  --text-primary: #1F2933;
  --text-body: #4B5563;
  --text-muted: #8A949E;
  --line-border: #E5E7EB;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.12);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.75;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color .2s ease; }
img { max-width: 100%; height: auto; }
h1, h2, h3, h4, h5, h6 { color: var(--text-primary); font-weight: 700; line-height: 1.3; }
.container { max-width: 1200px; }

/* ===== Header & Nav ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229,231,235,.8);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled {
  background: rgba(255,255,255,.98);
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
}
.site-header .navbar { min-height: 72px; padding: 0; }
.navbar-brand { display: flex; align-items: center; gap: 10px; padding: 0; margin: 0; }
.brand-icon { display: inline-flex; flex-shrink: 0; }
.brand-icon svg { width: 36px; height: 36px; border-radius: 10px; }
.brand-text { font-size: 18px; letter-spacing: .5px; color: var(--text-primary); }
.brand-text strong { font-weight: 800; color: var(--brand-primary); }
.navbar-nav { margin-left: 32px; gap: 4px; align-items: center; }
.navbar-nav .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  padding: 8px 16px !important;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color .2s ease, background .2s ease;
}
.navbar-nav .nav-link:hover { color: var(--brand-primary); background: var(--brand-light); }
.navbar-nav .nav-link.active {
  color: var(--brand-primary);
  font-weight: 600;
}
.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  left: 16px; right: 16px; bottom: 2px;
  height: 2px;
  background: var(--brand-primary);
  border-radius: 2px;
}
.nav-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #F3F4F6;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 6px 12px;
  height: 40px;
  width: 260px;
  transition: all .3s ease;
}
.search-box:focus-within {
  border-color: var(--brand-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(13,122,95,.12);
  width: 320px;
}
.search-box i { color: var(--text-muted); font-size: 14px; }
.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--text-primary);
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box kbd {
  font-size: 11px;
  background: #E5E7EB;
  border: 1px solid #D1D5DB;
  border-radius: 4px;
  color: var(--text-muted);
  padding: 2px 6px;
  font-family: inherit;
  white-space: nowrap;
}
.btn-login {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: color .2s ease, background .2s ease;
}
.btn-login:hover { color: var(--brand-primary); background: var(--brand-light); }
.btn { border-radius: var(--radius-sm); font-weight: 600; transition: all .2s ease; }
.btn-accent {
  background: var(--accent-orange);
  border: none;
  color: #fff;
  box-shadow: 0 4px 12px rgba(245,159,0,.25);
}
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: scale(1.02); box-shadow: 0 6px 18px rgba(245,159,0,.32); }
.btn-accent:active { transform: scale(.98); }
.btn-outline-light {
  border: 2px solid rgba(255,255,255,.8);
  color: #fff;
  background: transparent;
}
.btn-outline-light:hover { background: rgba(255,255,255,.15); color: #fff; border-color: #fff; }
.btn-primary-solid {
  background: var(--brand-primary);
  border: none;
  color: #fff;
}
.btn-primary-solid:hover { background: var(--brand-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline-primary {
  border: 2px solid var(--brand-primary);
  color: var(--brand-primary);
  background: transparent;
}
.btn-outline-primary:hover { background: rgba(13,122,95,.06); color: var(--brand-dark); }
.navbar-toggler { border: none; padding: 8px; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(13,122,95,.2); }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%230D7A5F' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 140px 0 90px;
  background: linear-gradient(135deg, #084C3E 0%, #0D7A5F 55%, #0B6B52 100%);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  width: 520px; height: 520px;
  border-radius: 50%;
  border: 44px solid rgba(255,255,255,.05);
  top: -160px; right: -80px;
}
.page-hero::after {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  border: 30px solid rgba(255,255,255,.04);
  bottom: -100px; left: -60px;
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb-nav {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb-nav a { color: rgba(255,255,255,.7); }
.breadcrumb-nav a:hover { color: #fff; }
.breadcrumb-nav .sep { opacity: .5; }
.breadcrumb-nav .current { color: #fff; font-weight: 500; }
.page-hero h1 {
  font-size: 46px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 16px;
  line-height: 1.25;
}
.page-hero h1 span { color: var(--accent-orange); }
.page-hero .lead {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,.85);
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-accent-lg {
  background: var(--accent-orange);
  border: none;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 34px;
  border-radius: var(--radius-sm);
  box-shadow: 0 6px 20px rgba(245,159,0,.3);
  transition: all .25s ease;
}
.btn-accent-lg:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(245,159,0,.35); }
.btn-ghost-lg {
  border: 2px solid rgba(255,255,255,.75);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: var(--radius-sm);
  background: transparent;
  transition: all .25s ease;
}
.btn-ghost-lg:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }
.btn:focus-visible, .nav-link:focus-visible, .search-box:focus-within, a:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

/* ===== Section Common ===== */
.section-block { padding: 90px 0; }
.section-head { text-align: center; margin-bottom: 52px; }
.section-head .tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-primary);
  background: var(--brand-light);
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-head h2::before {
  content: '';
  position: absolute;
  left: -18px; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 28px;
  background: var(--brand-primary);
  border-radius: 4px;
}
.section-head .sub-text {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== Plans Section ===== */
.plans-section { padding: 100px 0 80px; }
.plans-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; }
.plan-card {
  position: relative;
  background: var(--bg-white);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  flex: 1 1 calc(33.33% - 24px);
  min-width: 280px;
  max-width: 380px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.plan-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.plan-card .plan-flag {
  position: absolute;
  top: -1px; right: 24px;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 0 0 10px 10px;
  letter-spacing: 1px;
}
.plan-card.featured .plan-flag { background: var(--accent-orange); color: #fff; }
.plan-card .plan-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.plan-card .plan-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.plan-card .plan-price { margin-bottom: 24px; }
.plan-card .plan-price .price-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--brand-primary);
  font-feature-settings: "tnum";
}
.plan-card .plan-price .price-unit { font-size: 15px; color: var(--text-muted); }
.plan-card .plan-list { list-style: none; padding: 0; margin: 0 0 28px; }
.plan-card .plan-list li {
  font-size: 15px;
  color: var(--text-body);
  padding: 7px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.plan-card .plan-list li i { color: var(--brand-primary); font-size: 14px; margin-top: 4px; flex-shrink: 0; }
.plan-card .plan-list li.disabled { color: var(--text-muted); opacity: .6; }
.plan-card .plan-list li.disabled i { color: var(--text-muted); }
.plan-card .btn { width: 100%; }
.plan-card.featured { border-color: var(--brand-primary); box-shadow: 0 8px 32px rgba(13,122,95,.12); }
.plan-card.featured:hover { box-shadow: var(--shadow-lg); }
.plan-card.featured .plan-name { color: var(--brand-primary); }

/* ===== Flow Section ===== */
.flow-section {
  background: linear-gradient(180deg, #F0F6F3 0%, #F8F7F4 100%);
  padding: 80px 0;
}
.flow-steps { display: flex; justify-content: center; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.flow-step {
  flex: 1 1 220px;
  max-width: 250px;
  text-align: center;
  padding: 28px 20px;
  position: relative;
}
.flow-step .step-num {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 14px rgba(13,122,95,.25);
}
.flow-step .step-arrow {
  position: absolute;
  top: 26px; right: -28px;
  color: var(--brand-primary);
  font-size: 18px;
  opacity: .3;
  z-index: 1;
}
.flow-step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.flow-step p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ===== Benefits Section ===== */
.benefits-section { padding: 100px 0; background: #fff; }
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.benefit-card {
  background: var(--bg-white);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(13,122,95,.3); }
.benefit-card .benefit-icon {
  width: 56px; height: 56px;
  background: var(--brand-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--brand-primary);
  font-size: 22px;
}
.benefit-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.benefit-card p { font-size: 14px; color: var(--text-muted); line-height: 1.65; margin: 0; }

/* ===== Data Section ===== */
.data-section {
  background: var(--brand-dark);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.data-section::before {
  content: '';
  position: absolute;
  top: -80px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,.03);
}
.data-item { text-align: center; padding: 20px 10px; position: relative; z-index: 2; }
.data-item .num {
  font-size: 44px;
  font-weight: 800;
  color: var(--accent-orange);
  font-feature-settings: "tnum";
  line-height: 1.2;
}
.data-item .label { font-size: 14px; color: rgba(255,255,255,.7); margin-top: 8px; }

/* ===== FAQ Section ===== */
.faq-section { padding: 100px 0; background: var(--bg-body); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line-border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .25s ease;
}
.faq-item:hover { border-color: rgba(13,122,95,.3); }
.faq-item .faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  background: #fff;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background .2s ease;
}
.faq-item .faq-q:hover { background: #FAFBFA; }
.faq-item .faq-icon {
  position: relative;
  width: 22px; height: 22px;
  flex-shrink: 0;
  margin-left: 14px;
}
.faq-item .faq-icon::before,
.faq-item .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--brand-primary);
  transition: all .3s ease;
  border-radius: 2px;
}
.faq-item .faq-icon::before { width: 2px; height: 100%; left: 50%; top: 0; transform: translateX(-50%); }
.faq-item .faq-icon::after { height: 2px; width: 100%; left: 0; top: 50%; transform: translateY(-50%); }
.faq-item.open .faq-icon::before { transform: translateX(-50%) rotate(90deg); height: 100%; }
.faq-item.open .faq-icon::after { opacity: 1; transform: translateY(-50%) scaleX(.4); }
.faq-item .faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-item .faq-a-inner {
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.75;
  border-top: 1px dashed var(--line-border);
  padding-top: 16px;
  margin: 0 24px 0;
}
.faq-item .faq-a-inner p { margin: 0; }

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(120deg, #084C3E 0%, #0D7A5F 60%, #0B6B52 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::after {
  content: '';
  position: absolute;
  width: 260px; height: 260px;
  border-radius: 50%;
  border: 36px solid rgba(255,255,255,.04);
  top: -90px; right: -60px;
}
.cta-section h2 {
  font-size: 34px;
  color: #fff;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,.8);
  max-width: 500px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 2;
}
.cta-btns { display: flex; justify-content: center; gap: 14px; position: relative; z-index: 2; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: var(--brand-dark); color: rgba(255,255,255,.75); padding-top: 70px; }
.site-footer .footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.site-footer .brand-text { color: #fff; font-size: 20px; }
.footer-desc { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.6); max-width: 300px; margin-bottom: 20px; }
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.8);
  font-size: 15px;
  transition: all .2s ease;
}
.social-links a:hover { background: var(--accent-orange); color: #fff; transform: translateY(-2px); }
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: .5px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  transition: color .2s ease, padding-left .2s ease;
}
.footer-col ul li a:hover { color: var(--accent-orange); padding-left: 4px; }
.footer-col .contact-list li { font-size: 14px; color: rgba(255,255,255,.6); display: flex; align-items: center; gap: 10px; }
.footer-col .contact-list i { color: var(--accent-orange); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  margin-top: 50px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .navbar-nav { margin-left: 0; }
  .nav-actions {
    margin-left: 0;
    padding: 16px 0 24px;
    flex-direction: column;
    align-items: stretch;
  }
  .search-box { width: 100%; max-width: none; }
  .search-box:focus-within { width: 100%; }
  .search-box, .btn-login, .btn-accent { margin: 4px 0; }
  .btn-accent { text-align: center; }
  .page-hero { padding: 120px 0 70px; }
  .page-hero h1 { font-size: 34px; }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .plan-card { flex: 1 1 calc(50% - 24px); }
}
@media (max-width: 767.98px) {
  .section-block { padding: 60px 0; }
  .plans-section { padding: 70px 0 50px; }
  .benefits-section { padding: 60px 0; }
  .faq-section { padding: 60px 0; }
  .section-head h2 { font-size: 26px; }
  .page-hero h1 { font-size: 29px; }
  .page-hero .lead { font-size: 15px; }
  .benefits-grid { grid-template-columns: 1fr; }
  .plan-row { flex-direction: column; }
  .plan-card { max-width: 100%; }
  .flow-steps { flex-direction: column; align-items: center; }
  .flow-step { max-width: 100%; }
  .flow-step .step-arrow { display: none; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; }
  .cta-section h2 { font-size: 26px; }
  .cta-btns { flex-direction: column; align-items: stretch; }
  .data-item .num { font-size: 32px; }
}