/* roulang page: index */
:root {
  --primary: #2D6CDF;
  --primary-dark: #1d4ed8;
  --primary-soft: #EAF1F8;
  --accent: #F59E0B;
  --accent-dark: #d97706;
  --page-bg: #F3F6FB;
  --surface: #FFFFFF;
  --surface-alt: #F8FAFC;
  --line: #D9E2EC;
  --line-soft: #E6EDF5;
  --text: #1F2937;
  --text-secondary: #4B5563;
  --text-muted: #94A3B8;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-full: 999px;
  --shadow: 0 1px 2px rgba(16,24,40,.04), 0 1px 3px rgba(16,24,40,.08);
  --shadow-hover: 0 8px 20px rgba(37,99,235,.10);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  background: var(--page-bg);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  list-style: none;
}
button, input {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(45,108,223,.30);
  outline-offset: 2px;
}
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 40px;
}
.mobile-header {
  display: none;
}
.side {
  position: fixed;
  top: 0;
  left: 0;
  width: 264px;
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  padding: 28px 20px 22px;
  z-index: 60;
  overflow-y: auto;
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 4px 16px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 20px;
}
.brand-badge {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -.5px;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.brand-text strong {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.brand-text small {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  white-space: nowrap;
}
.side-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: .06em;
  padding: 0 12px 8px;
  text-transform: none;
}
.side-nav ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.side-nav a, .side-support a {
  display: flex;
  align-items: center;
  position: relative;
  min-height: 44px;
  padding: 0 14px 0 18px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.side-nav a::before, .side-support a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  border-radius: 0 3px 3px 0;
  background: var(--primary);
  transform: translateY(-50%);
  transition: height .2s ease;
}
.side-nav a:hover, .side-support a:hover {
  transform: translateX(3px);
  background: var(--primary-soft);
  color: var(--primary-dark);
}
.side-nav .nav-item.active a,
.side-support .nav-item.active a {
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 600;
}
.side-nav .nav-item.active a::before,
.side-support .nav-item.active a::before {
  height: 20px;
}
.side-footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}
.side-note {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}
.side-copy {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 16px;
}
.side-copy a {
  color: var(--text-muted);
}
.main-wrap {
  margin-left: 264px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(45,108,223,.18);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(45,108,223,.22);
}
.btn-outline {
  background: var(--surface);
  color: var(--primary-dark);
  border: 1px solid var(--line);
}
.btn-outline:hover {
  background: var(--primary-soft);
  border-color: rgba(45,108,223,.3);
  transform: translateY(-1px);
}
.btn-block {
  width: 100%;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(245,158,11,.24);
}
.section {
  padding: 68px 0;
}
.section-soft {
  background: var(--surface-alt);
}
.section-page {
  background: var(--page-bg);
}
.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}
.sec-index {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .04em;
  margin-bottom: 8px;
}
.sec-index::before {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: var(--accent);
}
.sec-title {
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
}
.sec-desc {
  max-width: 680px;
  color: var(--text-secondary);
  font-size: 15px;
  margin-top: 10px;
}
.sec-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
}
.sec-link:hover {
  color: var(--primary-dark);
}
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--line-soft);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.87) 45%, rgba(234,241,248,.80) 100%);
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0,1.15fr) minmax(360px,.85fr);
  gap: 56px;
  align-items: center;
  padding: 72px 40px 76px;
  max-width: 1280px;
  margin: 0 auto;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.9);
  border: 1px solid var(--line-soft);
  padding: 7px 14px;
  border-radius: var(--radius-full);
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 13px;
  box-shadow: var(--shadow);
}
.hero-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 0 4px rgba(34,197,94,.15);
}
.hero h1 {
  margin: 20px 0 16px;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
}
.hero h1 span {
  color: var(--primary);
}
.hero-copy > p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.8;
}
.hero-ctas {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-trust {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 26px;
  font-size: 13px;
  color: var(--text-secondary);
}
.hero-trust span {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-trust i {
  display: inline-flex;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}
.count-card {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 24px;
}
.count-card .card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.count-card .card-head strong {
  color: var(--text);
  font-size: 17px;
}
.tag-live {
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: var(--radius-full);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
}
.count-card > p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 18px;
}
.count-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.count-unit {
  background: var(--surface-alt);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  text-align: center;
  padding: 16px 8px;
}
.count-unit b {
  display: block;
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.count-unit span {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}
.progress {
  height: 7px;
  background: var(--line-soft);
  border-radius: 99px;
  overflow: hidden;
  margin-top: 6px;
}
.progress i {
  display: block;
  height: 100%;
  width: 68%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.count-note {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.category-card {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(45,108,223,.18);
}
.category-card figure {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--primary-soft);
}
.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.category-card:hover img {
  transform: scale(1.04);
}
.category-body {
  padding: 22px 24px 24px;
}
.category-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.category-body p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}
.category-more {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.category-more:hover {
  color: var(--primary-dark);
}
.feature-wrap {
  display: grid;
  grid-template-columns: minmax(320px, .95fr) 1.15fr;
  gap: 36px;
  align-items: center;
}
.feature-cards {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
}
.feature-cards h3 {
  font-size: 19px;
  margin-bottom: 8px;
}
.feature-cards > p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 20px;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.feature-list li {
  display: flex;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
}
.feature-list li:last-child {
  border-bottom: 0;
}
.feature-icon {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}
.feature-text strong {
  display: block;
  color: var(--text);
  font-size: 15px;
  margin-bottom: 2px;
}
.feature-text p {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.7;
}
.media-panel {
  display: grid;
  gap: 16px;
  grid-template-rows: 1fr 1fr;
}
.media-card {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  min-height: 240px;
}
.media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform .35s ease;
}
.media-card:hover img {
  transform: scale(1.04);
}
.media-card .media-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15,23,42,.72) 100%);
}
.media-card .media-caption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 16px;
  color: #fff;
  z-index: 2;
}
.media-caption strong {
  display: block;
  font-size: 17px;
  margin-bottom: 4px;
}
.media-caption span {
  font-size: 13px;
  color: rgba(255,255,255,.85);
}
.media-panel.tall .media-card {
  min-height: 292px;
}
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr 1fr;
  grid-template-rows: 248px 248px;
  gap: 14px;
}
.gallery-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.gallery-card:nth-child(1) {
  grid-column: 1 / 2;
}
.gallery-card:nth-child(2) {
  grid-column: 2 / 4;
}
.gallery-card:nth-child(3) {
  grid-column: 4 / 5;
  grid-row: 1 / 3;
}
.gallery-card:nth-child(4) {
  grid-column: 1 / 3;
}
.gallery-card:nth-child(5) {
  grid-column: 3 / 4;
}
.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.gallery-card:hover img {
  transform: scale(1.05);
}
.gallery-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(15,23,42,.62) 100%);
}
.gallery-info {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  color: #fff;
}
.gallery-info strong {
  font-size: 16px;
  display: block;
  margin-bottom: 2px;
}
.gallery-info span {
  font-size: 12px;
  color: rgba(255,255,255,.8);
}
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.news-card {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 24px 24px 22px;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(45,108,223,.18);
}
.news-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.chip {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  background: var(--primary-soft);
  border-radius: var(--radius-full);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
}
.chip-light {
  background: #F1F5F9;
  color: var(--text-secondary);
}
.news-card h3 {
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  margin-bottom: 8px;
}
.news-card h3 a:hover {
  color: var(--primary);
}
.news-card .news-excerpt {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.news-date {
  color: var(--text-muted);
  font-size: 13px;
}
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}
.news-more:hover {
  color: var(--primary-dark);
}
.empty-state {
  grid-column: 1 / -1;
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 34px 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 15px;
}
.news-more-note {
  margin-top: 20px;
  text-align: right;
  font-size: 13px;
  color: var(--text-muted);
}
.cta-block {
  background-size: cover;
  background-position: center;
  border-radius: 20px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
}
.cta-inner {
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(2px);
  padding: 36px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, .8fr);
  gap: 36px;
  align-items: center;
}
.cta-inner h2 {
  font-size: 24px;
  line-height: 1.4;
  color: var(--text);
}
.cta-inner h2 span {
  color: var(--primary);
}
.cta-inner .cta-desc {
  color: var(--text-secondary);
  font-size: 15px;
  margin: 12px 0 10px;
}
.cta-points {
  margin: 16px 0 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cta-points span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}
.cta-points i {
  width: 18px;
  height: 18px;
  color: #fff;
  background: var(--primary);
  border-radius: 50%;
  font-style: normal;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}
.cta-form-box {
  background: var(--surface-alt);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 22px;
}
.form-tip {
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 14px;
}
.cta-form .form-row {
  margin-bottom: 12px;
}
.cta-form input {
  width: 100%;
  min-height: 44px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 14px;
  font-size: 14px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.cta-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(45,108,223,.14);
}
.form-legal {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 12px;
}
.form-feedback {
  margin-top: 10px;
  display: none;
  background: #E8F7EE;
  color: #15803D;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
}
.faq-wrap {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 36px;
  align-items: flex-start;
}
.faq-intro h3 {
  font-size: 22px;
  font-weight: 700;
}
.faq-intro p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 12px 0 20px;
}
.faq-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.faq-list {
  border-top: 1px solid var(--line-soft);
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  margin-bottom: 10px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}
.faq-item.open {
  box-shadow: var(--shadow);
}
.faq-q {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  min-height: auto;
}
.faq-q .faq-arrow {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 400;
  color: var(--primary);
  background: var(--surface);
  transition: transform .2s ease, background .2s ease;
}
.faq-item.open .faq-arrow {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.faq-a {
  display: none;
  padding: 0 20px 18px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
}
.faq-item.open .faq-a {
  display: block;
}
.result-note {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 12px;
}
.footer {
  background: var(--surface);
  border-top: 1px solid var(--line-soft);
  margin-top: 30px;
  padding: 40px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line-soft);
}
.footer-brand .footer-site-name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
  max-width: 340px;
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
}
.footer-link li {
  padding: 4px 0;
}
.footer-link a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color .2s ease;
}
.footer-link a:hover {
  color: var(--primary);
}
.footer-contact {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.9;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 18px 0;
  color: var(--text-muted);
  font-size: 13px;
}
.footer-bottom .brand-small {
  color: var(--text-secondary);
  font-weight: 600;
}
@media (max-width: 1199px) {
  .side {
    width: 220px;
  }
  .main-wrap {
    margin-left: 220px;
  }
  .hero-inner {
    grid-template-columns: 1fr 340px;
    padding-left: 28px;
    padding-right: 28px;
  }
  .category-grid {
    grid-template-columns: 1fr 1fr;
  }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 220px 220px 220px;
  }
  .gallery-card:nth-child(1) {
    grid-column: 1/2;
    grid-row: 1/2;
  }
  .gallery-card:nth-child(2) {
    grid-column: 2/3;
    grid-row: 1/2;
  }
  .gallery-card:nth-child(3) {
    grid-column: 1/3;
    grid-row: 2/3;
  }
  .gallery-card:nth-child(4) {
    grid-column: 1/2;
    grid-row: 3/4;
  }
  .gallery-card:nth-child(5) {
    grid-column: 2/3;
    grid-row: 3/4;
  }
  .feature-wrap {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 1023px) {
  .side {
    transform: translateX(-100%);
    box-shadow: none;
    transition: transform .25s ease;
  }
  body.menu-open .side {
    transform: translateX(0);
    box-shadow: 0 20px 60px rgba(15,23,42,.2);
  }
  .mobile-header {
    position: sticky;
    top: 0;
    z-index: 70;
    height: 60px;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--line-soft);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    backdrop-filter: blur(8px);
  }
  .mobile-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--text);
  }
  .mobile-brand i {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: var(--primary);
    color: #fff;
    font-style: normal;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .menu-toggle {
    width: 42px;
    height: 42px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: var(--surface-alt);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-sm);
  }
  .menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text);
    border-radius: 3px;
  }
  .main-wrap {
    margin-left: 0;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    padding: 40px 20px 52px;
    gap: 40px;
  }
  .faq-wrap {
    grid-template-columns: 1fr;
  }
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .container {
    padding: 0 20px;
  }
  .side {
    padding-bottom: 40px;
  }
}
@media (max-width: 767px) {
  .section {
    padding: 46px 0;
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .feature-cards {
    padding: 22px;
  }
  .cta-inner {
    padding: 24px 20px;
  }
  .sec-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .gallery-card {
    min-height: 200px;
  }
  .gallery-card:nth-child(1),
  .gallery-card:nth-child(2),
  .gallery-card:nth-child(3),
  .gallery-card:nth-child(4),
  .gallery-card:nth-child(5) {
    grid-column: 1;
    grid-row: auto;
  }
  .hero h1 {
    font-size: 28px;
  }
  .hero-trust {
    align-items: flex-start;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .count-grid {
    gap: 6px;
  }
  .count-unit {
    padding: 12px 6px;
  }
  .count-unit b {
    font-size: 24px;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
  .media-panel .media-card {
    min-height: 190px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .count-grid {
    grid-template-columns: 1fr 1fr;
  }
  .count-unit {
    padding: 14px 10px;
  }
  .cta-form .btn {
    width: 100%;
  }
}

/* roulang page: article */
:root{
  --brand:#2D6CDF;
  --brand-strong:#1E56B3;
  --brand-soft:#E8F0FE;
  --accent:#F59E0B;
  --accent-dark:#D97706;
  --bg:#F3F6FB;
  --bg-2:#EAF1F8;
  --surface:#FFFFFF;
  --line:#D9E2EC;
  --line-soft:#E7EDF4;
  --text:#1F2937;
  --muted:#4B5563;
  --weak:#94A3B8;
  --radius-xs:6px;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.08);
  --shadow-md:0 8px 20px rgba(37,99,235,.10);
  --space-section:64px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-strong)}
img,svg{max-width:100%;display:block}
p{margin:0 0 1rem}
h1,h2,h3,h4,h5,h6{margin:0 0 .5rem;line-height:1.35;font-weight:700;color:var(--text)}
h1{font-size:34px;letter-spacing:-.02em}
h2{font-size:26px}
h3{font-size:18px}
h4{font-size:16px}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 28px}
button,input{font-family:inherit;font-size:inherit}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-sm);
  border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 10px rgba(37,99,235,.14)}
.btn-primary:hover{background:var(--brand-strong);color:#fff;transform:translateY(-1px);box-shadow:0 6px 14px rgba(37,99,235,.22)}
.btn-primary:focus-visible{outline:3px solid rgba(45,108,223,.35);outline-offset:2px}
.btn-outline{background:#fff;color:var(--brand);border-color:#C6D8F5}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-strong)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff}
.btn-link{background:transparent;color:var(--brand);padding:0 6px;min-height:auto;border:none;font-weight:600}
.btn-link:hover{color:var(--brand-strong);background:transparent}

.layout-shell{display:flex;min-height:100vh}
.sidebar{
  width:260px;flex:0 0 260px;background:var(--surface);
  border-right:1px solid var(--line-soft);
  display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh;
  padding:24px 18px;z-index:30;
}
.brand-wrap{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:6px 8px 18px;margin-bottom:12px;border-bottom:1px solid var(--line-soft)}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,var(--brand),#3E7BEA);color:#fff;font-weight:800;font-size:20px;
  box-shadow:0 6px 14px rgba(45,108,223,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-logotype{font-weight:800;font-size:19px;color:var(--text)}
.brand-logotype small{color:var(--brand)}
.brand-tag{font-size:12px;color:var(--weak);margin-top:3px}
.nav-title{
  font-size:12px;letter-spacing:.12em;color:var(--weak);
  text-transform:uppercase;padding:0 10px;margin:10px 0 8px;
}
.component-nav ul{display:flex;flex-direction:column;gap:6px}
.component-nav .nav-item{}
.component-nav .nav-item a{
  display:flex;align-items:center;gap:11px;padding:10px 13px;border-radius:var(--radius-sm);
  color:#3D4B5A;font-size:15px;font-weight:500;position:relative;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.component-nav .nav-item a i{
  width:20px;color:var(--weak);font-style:normal;text-align:center;
  transition:color .2s ease,transform .2s ease;
}
.component-nav .nav-item a:hover{background:var(--bg-2);transform:translateX(2px);color:var(--brand)}
.component-nav .nav-item a:hover i{color:var(--brand)}
.component-nav .nav-item.active a{
  background:var(--brand-soft);color:var(--brand-strong);font-weight:600;
}
.component-nav .nav-item.active a i{color:var(--brand)}
.component-nav .nav-item.active a::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:4px;border-radius:var(--radius-pill);
  background:var(--brand);
}
.entry-badge{
  margin-left:auto;font-size:11px;background:var(--brand-soft);color:var(--brand);
  padding:2px 8px;border-radius:var(--radius-pill);font-weight:600;
}
.side-bottom{margin-top:auto;padding:12px 10px 2px;font-size:11px;color:var(--weak);border-top:1px solid var(--line-soft)}
.side-bottom p{margin:0 0 4px}
.side-services{
  background:var(--bg-2);border-radius:var(--radius-md);padding:14px 14px 12px;margin:14px 4px 0;line-height:1.8;
}
.side-services strong{display:block;font-size:13px;color:var(--text);margin-bottom:2px}
.side-services span{font-size:12px;color:var(--muted)}

.content-col{flex:1;min-width:0;display:flex;flex-direction:column}
.main-content{flex:1}
.page-section{padding:46px 0 40px}

.mobile-header{
  display:none;
}
.mobile-header-main{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;background:var(--surface);
  border-bottom:1px solid var(--line-soft);position:sticky;top:0;z-index:40;
}
.mobile-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--text)}
.mobile-brand-mark{
  width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-size:17px;
}
.menu-btn{
  all:unset;width:40px;height:40px;cursor:pointer;position:relative;z-index:60;
  display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0 8px;border-radius:var(--radius-sm);
}
.menu-btn span{display:block;height:2px;width:22px;background:var(--text);border-radius:20px;transition:.25s}
.nav-check{position:absolute;opacity:0;pointer-events:none}
.mobile-drop{
  position:fixed;inset:0;top:66px;background:var(--surface);
  transform:translateX(-100%);transition:transform .28s ease;
  padding:24px 22px;z-index:50;overflow-y:auto;
}
.mobile-drop .component-nav ul{gap:8px}
.nav-check:checked ~ .mobile-drop{transform:translateX(0)}

.main-article-wrap{}
.article-hero{
  position:relative;
  background:linear-gradient(118deg,#F3F7FE 0%,#EAF2FD 56%,#F9F6ED 100%);
  border-bottom:1px solid var(--line-soft);
  padding:42px 0 18px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--weak);
  margin-bottom:22px;background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.8);
  padding:8px 14px;border-radius:var(--radius-pill);display:inline-flex;
}
.breadcrumb a{color:var(--weak);font-weight:500}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .cur{color:var(--muted);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:960px}
.article-kicker{
  font-size:13px;letter-spacing:.08em;color:var(--brand);font-weight:600;margin-bottom:10px;
  display:flex;align-items:center;gap:8px;
}
.article-title{
  font-size:clamp(24px,4vw,36px);line-height:1.3;font-weight:800;margin-bottom:22px;color:#131A26;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin:16px 0 24px;
  color:var(--weak);font-size:13px;
}
.article-meta .label-badge{
  background:#fff;border:1px solid var(--line);color:var(--brand);padding:4px 12px;
  border-radius:var(--radius-pill);font-weight:600;font-size:12px;
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.dot{width:4px;height:4px;background:#c8d2de;border-radius:50%;display:inline-block}

.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:38px;
  margin-top:16px;align-items:start;
}
.article-body-col{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-md);
  padding:34px 40px 40px;box-shadow:var(--shadow-sm);
}
.article-content{max-width:100%;font-size:15px;line-height:2;color:var(--text)}
.article-content p{line-height:2;margin-bottom:24px}
.article-content h2{font-size:23px;margin:34px 0 16px;padding-left:12px;border-left:4px solid var(--brand);border-radius:2px}
.article-content h3{font-size:19px;margin:28px 0 12px;color:#26303D}
.article-content h4{font-size:16px;margin:22px 0 8px;color:#3D4B5A}
.article-content ul,.article-content ol{margin:0 0 24px;padding-left:22px}
.article-content li{margin-bottom:10px}
.article-content ul li{list-style:disc}
.article-content ol li{list-style:decimal}
.article-content a{text-decoration:underline;text-underline-offset:3px}
.article-content img{border-radius:var(--radius-md);margin:20px 0;width:auto}
.article-content blockquote{
  margin:0 0 24px;padding:16px 22px;background:var(--bg-2);border-radius:var(--radius-sm);
  border-left:4px solid var(--brand);color:var(--muted);font-size:14px;
}
.article-content table{width:100%;border-collapse:collapse;margin-bottom:24px;font-size:14px}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-content th{background:var(--bg-2)}

.article-tip{
  display:flex;gap:12px;background:linear-gradient(120deg,rgba(45,108,223,.06),rgba(245,158,11,.06));
  border:1px dashed #c7dcf8;border-radius:var(--radius-md);padding:14px 16px;margin-bottom:18px;align-items:flex-start;
}
.article-tip-icon{width:30px;height:30px;flex:0 0 30px;background:var(--brand);border-radius:9px;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:15px}
.article-tip span{font-size:14px;color:var(--muted);margin:0}

.article-end-cta{
  margin-top:34px;padding:24px 26px;border-radius:var(--radius-md);
  background:var(--bg-2);display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;
}
.article-end-cta .txt h4{font-size:17px;margin-bottom:6px}
.article-end-cta .txt p{margin:0;font-size:13px;color:var(--muted)}

.article-aside-col{
  position:sticky;top:24px;display:flex;flex-direction:column;gap:18px;
}
.aside-card{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-sm);
}
.aside-card h3{
  font-size:16px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line-soft);
}
.quick-link-list li{border-bottom:1px dashed var(--line-soft)}
.quick-link-list a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 2px;font-size:14px;color:var(--muted)}
.quick-link-list a:hover{color:var(--brand)}
.quick-num{width:26px;height:26px;background:var(--bg-2);border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:var(--brand);font-weight:600}
.aside-service-card{position:relative;overflow:hidden;border:none}
.aside-service-card::before{
  content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.aside-service-card::after{
  content:"";position:absolute;inset:0;background:linear-gradient(155deg,rgba(20,45,92,.88),rgba(45,108,223,.72));
}
.aside-service-card .aside-content{position:relative;z-index:2;color:#fff}
.aside-service-card h3{color:#fff;border-color:rgba(255,255,255,.3)}
.aside-service-card p{color:rgba(255,255,255,.85);font-size:14px}
.aside-service-card .btn{background:#fff;color:var(--brand);width:100%;margin-top:6px}
.aside-service-card .btn:hover{background:var(--accent);color:#fff}

.related-section{
  margin-top:38px;background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--radius-md);padding:28px 30px;
}
.related-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.related-heading h2{font-size:21px}
.related-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
}
.related-card{
  border:1px solid var(--line-soft);border-radius:var(--radius-md);overflow:hidden;
  background:var(--surface);transition:transform .2s ease,box-shadow .2s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.thumb-media{height:136px;background:var(--bg-2);overflow:hidden;position:relative}
.thumb-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.related-card:hover .thumb-media img{transform:scale(1.04)}
.thumb-media .thumb-tag{
  position:absolute;left:12px;top:12px;z-index:3;background:rgba(255,255,255,.9);
  color:var(--brand);font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--radius-pill);
  backdrop-filter:blur(4px);
}
.related-info{padding:14px 16px 16px}
.related-info h3{font-size:15px;font-weight:600;margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.related-info p{margin:0;color:var(--weak);font-size:13px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.related-card:hover .related-info h3{color:var(--brand)}

.not-found-container{
  padding:38px 0 52px;
}
.not-found-card{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-md);
  padding:70px 34px;text-align:center;max-width:760px;margin:0 auto;box-shadow:var(--shadow-sm);
}
.not-found-icon{
  width:64px;height:64px;border-radius:20px;background:var(--bg-2);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:30px;margin-bottom:22px;
}
.not-found-card h1{font-size:28px;margin-bottom:12px}
.not-found-card p{color:var(--muted);margin-bottom:26px;font-size:15px}

.footer{
  background:var(--surface);border-top:1px solid var(--line-soft);
  padding:46px 0 24px;margin-top:16px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;padding-bottom:32px;
  border-bottom:1px solid var(--line-soft);
}
.footer-site-name{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--text)}
.footer-site-name .mini-logo{
  width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#5A93F2);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:15px;
}
.footer-brand p{color:var(--muted);font-size:13px;max-width:360px;margin-top:14px;margin-bottom:0;line-height:1.9}
.footer-title{
  font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;
}
.footer-link li{margin-bottom:15px}
.footer-link a{color:var(--muted);font-size:13px}
.footer-link a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-top:22px;
  font-size:12px;color:var(--weak);
}
.footer-bottom a{color:var(--weak)}
.footer-bottom a:hover{color:var(--brand)}
.brand-small{color:var(--text);font-weight:600}
.copyright-line{color:var(--weak);font-size:12px}

@media (max-width:1199px){
  .sidebar{width:230px;flex:0 0 230px}
  .article-layout{grid-template-columns:minmax(0,1fr) 275px;gap:28px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .mobile-header{display:block}
  .layout-shell{display:block}
  .page-section{padding:36px 0 28px}
  .breadcrumb{font-size:12px}
  .article-hero{padding-top:30px}
}
@media (max-width:767px){
  :root{--space-section:46px}
  body{font-size:14px}
  .container{padding:0 16px}
  .article-hero{padding:24px 0 12px}
  .main-article-wrap{padding-left:0}
  .article-title{font-size:25px;line-height:1.4}
  .article-meta{gap:8px 14px;margin:14px 0 18px}
  .article-layout{grid-template-columns:1fr;gap:20px}
  .article-body-col{padding:24px 18px 30px}
  .article-aside-col{position:static}
  .article-content p{line-height:1.9;margin-bottom:20px}
  .article-end-cta{flex-direction:column;align-items:flex-start;padding:20px 18px}
  .related-grid{grid-template-columns:1fr;gap:14px}
  .related-section{padding:22px 16px;margin-top:24px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer-bottom{justify-content:center;text-align:center}
  .not-found-card{padding:52px 20px}
  .page-section{scroll-margin-top:60px}
}
@media (max-width:480px){
  .article-ctas{display:flex;flex-direction:column;gap:12px;width:100%}
  .article-ctas .btn{width:100%}
  .article-content img{width:100%;height:auto}
  .related-card .related-info h3{font-size:14px}
  h1{font-size:26px}
  h2{font-size:21px}
}

/* roulang page: category2 */
:root {
  --primary: #2D6CDF;
  --primary-dark: #1D4ED8;
  --primary-weak: #EAF1F8;
  --primary-soft: #F0F6FC;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --accent-weak: #FFF7E6;
  --bg: #F3F6FB;
  --card: #FFFFFF;
  --ink: #1F2937;
  --text: #334155;
  --muted: #94A3B8;
  --border: #D9E2EC;
  --sidebar-w: 260px;
  --radius-lg: 16px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(16,24,40,.04), 0 1px 3px rgba(16,24,40,.08);
  --shadow-md: 0 8px 20px rgba(37,99,235,.10);
  --transition: .2s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

body.menu-open {
  overflow: hidden;
}

h1, h2, h3, h4 {
  margin: 0 0 .75em;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.35;
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 26px;
}

h3 {
  font-size: 18px;
  font-weight: 600;
}

p {
  margin: 0 0 1em;
}

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

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

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

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

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

button {
  cursor: pointer;
  border: 0;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(45,108,223,.32);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: 64px 0;
}

.section-header {
  max-width: 780px;
  margin-bottom: 36px;
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  padding: 11px 24px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 1px 2px rgba(37,99,235,.16);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(37,99,235,.20);
}

.btn-secondary {
  background: #fff;
  color: var(--primary);
  border-color: #C9D6E4;
}

.btn-secondary:hover {
  background: var(--primary-weak);
  border-color: var(--primary);
  color: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(217,119,6,.16);
}

.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(217,119,6,.22);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.tag,
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
  background: var(--primary-weak);
  color: var(--primary);
}

.badge-hot {
  background: var(--accent-weak);
  color: var(--accent-dark);
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

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

.chip.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ===== 移动端顶部导航 ===== */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 60;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(16,24,40,.04);
  backdrop-filter: blur(8px);
}

.mobile-brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.2;
}

.mobile-burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 8px;
  background: var(--primary-weak);
  border-radius: 8px;
}

.mobile-burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 99px;
  transition: all var(--transition);
}

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

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

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

.mobile-overlay {
  display: none;
}

/* ===== 左侧竖向导航 ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  z-index: 50;
  background: #fff;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 18px 20px;
  transition: transform .3s ease;
}

.brand-wrap {
  padding: 0 6px 22px;
  border-bottom: 1px solid #EDF2F7;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  color: var(--ink);
  font-size: 25px;
  font-weight: 800;
  letter-spacing: .5px;
  line-height: 1.25;
  text-decoration: none;
}

.brand span {
  font-size: 15px;
  font-weight: 500;
  color: var(--primary);
  letter-spacing: 3px;
  margin-top: 3px;
}

.brand-sub {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.sidebar nav {
  flex: 1;
  overflow-y: auto;
  margin-top: 20px;
}

.nav-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--muted);
  margin: 6px 10px 12px;
}

.nav-item + .nav-item {
  margin-top: 4px;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 10px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}

.nav-item a:hover {
  background: var(--primary-soft);
  color: var(--primary-dark);
  transform: translateX(2px);
}

.nav-item.active a {
  background: var(--primary-weak);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
}

.sidebar-foot {
  border-top: 1px solid #EDF2F7;
  padding: 18px 6px 4px;
  font-size: 13px;
  color: var(--muted);
}

.sidebar-foot .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #4ADE80;
  border-radius: 50%;
  margin-right: 6px;
}

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

.main-content {
  flex: 1;
}

/* ===== 分类页头部 ===== */
.category-hero {
  background: var(--primary-soft);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}

.category-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
  align-items: center;
  gap: 48px;
  padding: 56px 0 64px;
}

.category-hero__content {
  position: relative;
  z-index: 2;
}

.category-hero__content .lead {
  font-size: 19px;
  color: var(--ink);
  font-weight: 600;
  margin-top: -2px;
}

.category-hero__content .desc {
  font-size: 16px;
  color: var(--text);
  max-width: 620px;
  margin: 18px 0 26px;
  line-height: 1.85;
}

.hero-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #DFE8F2;
  box-shadow: var(--shadow-md);
  position: relative;
}

.hero-media::after {
  content: "米乐mile官方网站";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(transparent, rgba(15,23,42,.5));
  color: #fff;
  padding: 42px 20px 14px;
  font-size: 13px;
  letter-spacing: 1px;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ===== 快捷标签 ===== */
.quick-panel {
  border-bottom: 1px solid var(--border);
  background: #fff;
  padding: 18px 0;
}

.quick-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-list__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-right: 6px;
}

/* ===== 玩法板块 ===== */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}

.topic-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

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

.topic-card--wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
}

.topic-media {
  display: block;
  background: var(--primary-weak);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
}

.topic-card--wide .topic-media {
  aspect-ratio: auto;
  min-height: 100%;
}

.topic-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

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

.topic-media__text {
  position: absolute;
  left: 16px;
  bottom: 16px;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  background: rgba(15,23,42,.55);
  padding: 4px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

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

.topic-card--wide .topic-body {
  padding: 30px;
}

.topic-body h3 {
  margin-bottom: 10px;
}

.topic-body p {
  color: var(--text);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.topic-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

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

.link-more:hover {
  color: var(--primary-dark);
}

.topic-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-weak);
  color: var(--primary);
  flex: 0 0 44px;
}

.topic-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
}

/* ===== 使用场景 ===== */
.scenario-section {
  background: var(--primary-soft);
}

.scenario-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 52px;
  align-items: center;
}

.scenario-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  position: relative;
}

.scenario-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.scenario-image__badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: #fff;
  border-radius: 10px;
  padding: 10px 18px;
  box-shadow: var(--shadow-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.scenario-list {
  display: grid;
  gap: 14px;
}

.scenario-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.scenario-item:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(37,99,235,.08);
}

.scenario-item__num {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--primary-weak);
  color: var(--primary);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.scenario-item h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.scenario-item p {
  font-size: 14px;
  color: var(--text);
  margin: 0;
  line-height: 1.7;
}

/* ===== 流程步骤 ===== */
.steps-section {
  background: #fff;
}

.step-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.step-card {
  background: var(--primary-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px 24px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.step-card__num {
  position: absolute;
  right: 14px;
  top: 6px;
  font-size: 52px;
  font-weight: 800;
  color: rgba(45,108,223,.12);
  line-height: 1;
}

.step-card h3 {
  position: relative;
  font-size: 17px;
  margin-bottom: 8px;
}

.step-card p {
  position: relative;
  font-size: 14px;
  color: var(--text);
  margin: 0;
}

.step-card__tag {
  display: block;
  font-size: 12px;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 600;
  letter-spacing: 1px;
}

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

.faq-panel {
  max-width: 900px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 4px 30px;
  box-shadow: var(--shadow-sm);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
  border-bottom: 0;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  background: transparent;
  text-align: left;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

.faq-question::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--primary-weak);
  color: var(--primary);
  font-size: 22px;
  font-weight: 400;
  transition: transform .25s ease, background .25s ease, color .25s ease;
}

.faq-item.is-open .faq-question::after {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .35s ease, opacity .25s ease;
}

.faq-item.is-open .faq-answer {
  max-height: 300px;
  opacity: 1;
}

.faq-answer p {
  padding: 0 0 22px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

/* ===== CTA ===== */
.cta-section {
  padding: 24px 0 72px;
  background: var(--bg);
}

.cta-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.cta-card__text {
  flex: 1 1 460px;
}

.cta-card__text h2 {
  margin-bottom: 10px;
}

.cta-card__text p {
  max-width: 720px;
  margin: 0;
}

.cta-actions {
  flex: 0 1 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.cta-note {
  font-size: 12px;
  color: var(--muted);
}

/* ===== Footer ===== */
.footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 54px 0 22px;
}

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

.footer-site-name {
  font-size: 21px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--text);
  font-size: 14px;
  line-height: 1.8;
  max-width: 420px;
}

.footer-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 16px;
}

.footer-link li {
  margin-bottom: 8px;
}

.footer-link a {
  color: var(--text);
  font-size: 14px;
  transition: color var(--transition), padding-left var(--transition);
}

.footer-link a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid #EDF2F7;
  margin-top: 44px;
  padding-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}

.footer-bottom a {
  color: var(--text);
}

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

.brand-small {
  font-weight: 700;
  color: var(--ink);
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  :root {
    --sidebar-w: 220px;
  }

  .container {
    padding: 0 22px;
  }

  .category-hero__grid {
    grid-template-columns: 1fr 300px;
    gap: 32px;
  }

  .step-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scenario-wrap {
    gap: 32px;
  }
}

@media (max-width: 1023px) {
  .mobile-header {
    display: flex;
  }

  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.42);
    z-index: 45;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease;
  }

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

  .sidebar {
    transform: translateX(-100%);
    width: 280px;
    box-shadow: 8px 0 30px rgba(15,23,42,.08);
  }

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

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

  .category-hero__grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    max-width: 600px;
  }

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

  .scenario-image {
    max-width: 620px;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 48px 0;
  }

  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 22px;
  }

  .category-hero__grid {
    padding: 36px 0 42px;
  }

  .category-hero__content .lead {
    font-size: 17px;
  }

  .category-hero__content .desc {
    font-size: 15px;
  }

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

  .topic-card--wide {
    display: block;
  }

  .topic-card--wide .topic-media {
    aspect-ratio: 16 / 10;
  }

  .topic-card--wide .topic-body {
    padding: 22px;
  }

  .step-row {
    grid-template-columns: 1fr;
  }

  .faq-panel {
    padding: 4px 18px;
  }

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

  .cta-card {
    padding: 32px 24px;
    justify-content: center;
    text-align: center;
  }

  .cta-actions {
    align-items: center;
    width: 100%;
  }

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

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

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

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

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .quick-list {
    gap: 8px;
  }

  .scenario-item {
    padding: 16px;
  }
}

/* roulang page: category3 */
:root{
  --primary:#2D6CDF;
  --primary-dark:#1D4ED8;
  --primary-soft:#E8F0FA;
  --accent:#F97316;
  --accent-dark:#EA580C;
  --bg-page:#F3F6FB;
  --bg-light:#F8FAFC;
  --bg-soft:#EAF1F8;
  --card:#FFFFFF;
  --text:#1F2937;
  --text-secondary:#4B5563;
  --text-light:#94A3B8;
  --border:#D9E2EC;
  --radius-lg:14px;
  --radius:10px;
  --radius-sm:6px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.08);
  --shadow-lg:0 8px 24px rgba(37,99,235,.10);
  --sidebar-w:262px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --transition:.2s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg-page);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
i{font-style:normal}

.app-shell{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar-w);
  flex:0 0 var(--sidebar-w);
  height:100vh;
  position:sticky;
  top:0;
  display:flex;
  flex-direction:column;
  background:#fff;
  border-right:1px solid #e7ecf3;
  padding:30px 22px 22px;
  z-index:100;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:3px;
  font-size:20px;
  font-weight:800;
  color:var(--primary);
}
.brand b{font-weight:800}
.brand .brand-subtext{
  font-size:13px;
  color:var(--text-secondary);
  font-weight:500;
  margin-left:4px;
}
.brand-desc{
  margin-top:12px;
  font-size:13px;
  line-height:1.75;
  color:var(--text-secondary);
  padding-left:12px;
  border-left:3px solid var(--primary);
}
.nav-wrap{margin-top:30px;flex:1;display:flex;flex-direction:column}
.nav-label{
  font-size:12px;
  letter-spacing:1px;
  color:var(--text-light);
  font-weight:600;
  margin-bottom:10px;
}
.nav-menu li{margin-bottom:6px}
.nav-menu a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border-radius:10px;
  font-size:14px;
  font-weight:500;
  color:#3D4C5F;
  transition:all var(--transition);
  position:relative;
}
.nav-menu a i{
  width:20px;
  text-align:center;
  color:var(--text-light);
  font-size:15px;
  transition:color var(--transition);
}
.nav-menu a:hover{
  background:var(--bg-soft);
  transform:translateX(3px);
  color:var(--primary);
}
.nav-menu li.active a{
  background:var(--primary-soft);
  color:var(--primary);
  font-weight:700;
}
.nav-menu li.active a::before{
  content:"";
  position:absolute;
  left:0;
  top:22%;
  width:3px;
  height:56%;
  background:var(--primary);
  border-radius:0 4px 4px 0;
}
.nav-menu li.active a i{color:var(--primary)}
.side-contact{
  margin-top:24px;
  padding:16px 15px;
  border-radius:12px;
  background:var(--bg-light);
  border:1px solid #e8edf4;
}
.side-contact p{
  font-size:12px;
  color:var(--text-secondary);
}
.side-contact .side-title{
  font-weight:700;
  font-size:13px;
  color:var(--text);
  margin-bottom:5px;
}
.side-contact .service-mail{
  color:var(--primary);
  font-weight:600;
  display:inline-block;
  margin-top:8px;
  font-size:13px;
}
.main-col{
  flex:1;
  min-width:0;
  display:flex;
  flex-direction:column;
}
.mobile-header{
  display:none;
  position:sticky;
  top:0;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(8px);
  height:60px;
  align-items:center;
  justify-content:space-between;
  padding:0 18px;
  border-bottom:1px solid #e8edf4;
  z-index:120;
}
.mobile-brand{
  font-size:17px;
  font-weight:800;
  color:var(--primary);
}
.menu-burger{
  background:#fff;
  border:1px solid var(--border);
  border-radius:8px;
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text);
  font-size:17px;
  cursor:pointer;
  transition:all var(--transition);
}
.menu-burger:hover{background:var(--bg-soft)}
.menu-backdrop{
  position:fixed;
  inset:0;
  background:rgba(15,23,42,.45);
  z-index:89;
  opacity:0;
  visibility:hidden;
  transition:all .25s ease;
}
.app-shell.nav-open .menu-backdrop{opacity:1;visibility:visible}

.main {
  flex:1;
  width:100%;
}
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 36px;
}
.page-hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(112deg, rgba(232,241,250,.96) 0%, rgba(238,244,251,.82) 54%, rgba(248,250,252,.9) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero-row{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);
  gap:48px;
  align-items:center;
  padding:72px 0 66px;
}
.eyebrow-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  background:#fff;
  border:1px solid #dbe6f3;
  border-radius:999px;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  box-shadow:var(--shadow-sm);
}
.eyebrow-pill i{color:var(--accent)}
.page-hero h1{
  font-size:40px;
  line-height:1.25;
  font-weight:800;
  margin:18px 0 16px;
  color:#182230;
  letter-spacing:-.5px;
}
.page-hero h1 span{
  display:block;
  color:var(--primary);
}
.hero-desc{
  font-size:15px;
  color:var(--text-secondary);
  max-width:560px;
  margin-bottom:28px;
}
.hero-action{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:0;
  border-radius:8px;
  padding:12px 24px;
  font-weight:700;
  font-size:14px;
  cursor:pointer;
  transition:all var(--transition);
  line-height:1;
  min-height:44px;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 8px 16px rgba(45,108,223,.22);
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 12px 22px rgba(45,108,223,.28);
}
.btn-secondary{
  background:#fff;
  color:var(--primary);
  border:1px solid var(--primary);
}
.btn-secondary:hover{
  background:var(--primary-soft);
  transform:translateY(-2px);
}
.hero-card{
  background:#fff;
  border:1px solid #e6edf6;
  box-shadow:0 18px 40px rgba(45,108,223,.10);
  border-radius:16px;
  overflow:hidden;
}
.hero-card-image{
  width:100%;
  height:176px;
  object-fit:cover;
  object-position:center;
}
.hero-card-body{padding:20px 22px 22px}
.hero-card-body h3{
  font-size:17px;
  font-weight:700;
  margin-bottom:10px;
  color:var(--text);
}
.hero-card-body h3 span{color:var(--primary)}
.benefit-check{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:13px;
  color:var(--text-secondary);
  margin-top:8px;
}
.benefit-check i{
  color:var(--accent);
  margin-top:4px;
  font-size:13px;
}
.hero-card-tip{
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed var(--border);
  font-size:12px;
  color:var(--text-light);
}
.hero-card-tip strong{color:var(--text-secondary);font-weight:600}

.stat-strip{
  background:#fff;
  border-top:1px solid var(--border);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-item{
  padding:24px 26px;
  border-right:1px solid #eef2f7;
}
.stat-item:last-child{border-right:0}
.stat-item .stat-label{
  font-size:13px;
  color:var(--text-secondary);
  margin-top:7px;
}
.stat-item .stat-icon{
  font-size:19px;
  color:var(--primary);
}
.stat-item .stat-num{
  font-size:28px;
  line-height:1.2;
  font-weight:800;
  color:#182230;
}
.section{padding:72px 0}
.section.bg-soft{background:var(--bg-light)}
.sec-head{
  max-width:820px;
  margin-bottom:36px;
}
.sec-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--primary);
  margin-bottom:10px;
}
.sec-tag i{color:var(--accent)}
.sec-head h2{
  font-size:29px;
  line-height:1.3;
  font-weight:800;
  color:#182230;
}
.sec-head p{
  margin-top:12px;
  font-size:15px;
  color:var(--text-secondary);
}
.filter-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.filter-chip{
  border:1px solid var(--border);
  background:#fff;
  color:var(--text-secondary);
  padding:7px 18px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  cursor:default;
  transition:all var(--transition);
}
.filter-chip.active{
  background:var(--primary-soft);
  border-color:transparent;
  color:var(--primary);
  font-weight:700;
}
.filter-chip:not(.active):hover{border-color:#b3c6dc;background:var(--bg-light)}

.mosaic-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:22px;
}
.panel{
  background:#fff;
  border:1px solid #e6edf6;
  border-radius:14px;
  padding:26px;
  transition:all var(--transition);
}
.panel:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-2px);
}
.panel-wide{grid-column:span 7}
.panel-short{grid-column:span 5}
.panel-a{grid-column:span 5}
.panel-b{grid-column:span 3}
.panel-c{grid-column:span 4}
.panel-icon{
  width:46px;
  height:46px;
  border-radius:12px;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  margin-bottom:16px;
}
.panel h3{
  font-size:18px;
  font-weight:700;
  color:var(--text);
  line-height:1.4;
}
.panel p{
  color:var(--text-secondary);
  font-size:14px;
  margin-top:10px;
}
.panel-info{
  background:var(--primary-soft);
  border-radius:8px;
  padding:12px 14px;
  font-size:13px;
  color:var(--text);
  margin-top:16px;
  display:flex;
  gap:9px;
}
.panel-info i{color:var(--primary);margin-top:3px}
.panel-tag{
  display:inline-block;
  font-size:12px;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:6px;
  padding:4px 10px;
  margin-top:14px;
  font-weight:600;
}
.mini-list{margin-top:16px}
.mini-list li{
  display:flex;
  justify-content:space-between;
  gap:14px;
  padding:8px 0;
  border-bottom:1px dashed #e7edf5;
  font-size:13px;
}
.mini-list li:last-child{border-bottom:0}
.mini-list li span{color:var(--text-secondary)}
.mini-list li strong{color:var(--text);font-weight:600}
.rank-block{
  margin-top:16px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.rank-line{
  display:flex;
  align-items:center;
  gap:10px;
  background:var(--bg-light);
  border-radius:8px;
  padding:8px 12px;
  font-size:13px;
}
.rank-line i{color:var(--accent)}
.rank-line span{color:var(--text-secondary)}
.rank-line strong{color:var(--text);font-weight:600}

.visual-section{
  background:#fff;
}
.visual-flex{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);
  gap:60px;
  align-items:center;
}
.visual-media{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.visual-media img{
  width:100%;
  height:430px;
  object-fit:cover;
}
.visual-media figcaption{
  position:absolute;
  left:18px;
  bottom:18px;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(4px);
  border-radius:10px;
  padding:9px 15px;
  font-size:13px;
  color:var(--text);
  font-weight:600;
}
.visual-copy h2{
  font-size:29px;
  font-weight:800;
  color:#182230;
  line-height:1.35;
}
.visual-copy > p{
  color:var(--text-secondary);
  margin-top:14px;
  margin-bottom:22px;
}
.visual-points li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  background:var(--bg-light);
  border:1px solid #e9eef5;
  border-radius:12px;
  padding:15px 16px;
  margin-bottom:10px;
}
.visual-points i{
  width:30px;
  height:30px;
  background:var(--primary-soft);
  color:var(--primary);
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  flex-shrink:0;
  margin-top:3px;
}
.visual-points strong{
  font-size:15px;
  font-weight:700;
  display:block;
}
.visual-points p{
  color:var(--text-secondary);
  font-size:13px;
  margin-top:3px;
}

.process-section{background:var(--bg-page)}
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:20px;
}
.process-card{
  background:#fff;
  border:1px solid #e6edf6;
  border-radius:14px;
  padding:24px 20px;
  position:relative;
  transition:all var(--transition);
}
.process-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.process-num{
  font-size:13px;
  font-weight:800;
  color:var(--accent);
  letter-spacing:.5px;
}
.process-card h3{
  font-size:17px;
  margin-top:8px;
  margin-bottom:7px;
  color:var(--text);
}
.process-card p{
  font-size:13px;
  color:var(--text-secondary);
}

.cta-panel{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);
  background:#fff;
  border:1px solid #e6edf6;
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.cta-formarea{
  background:var(--bg-light);
  padding:36px 38px;
  border-left:1px solid #e6edf6;
}
.cta-info{padding:38px 40px}
.cta-info .sec-tag{margin-bottom:4px}
.cta-info h2{
  font-size:27px;
  line-height:1.4;
  font-weight:800;
  color:#182230;
  margin-top:8px;
}
.cta-info p{
  color:var(--text-secondary);
  margin:14px 0 22px;
  font-size:15px;
}
.cta-info .cta-points li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text);
  margin-top:9px;
}
.cta-info .cta-points i{color:var(--accent);margin-top:5px}
.form-box label{
  display:block;
  font-weight:600;
  margin:12px 0 6px;
  font-size:14px;
  color:var(--text);
}
.form-box input{
  width:100%;
  border:1px solid var(--border);
  background:#fff;
  border-radius:8px;
  padding:12px 13px;
  font-size:14px;
  transition:all var(--transition);
  outline:none;
  color:var(--text);
}
.form-box input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(45,108,223,.15);
}
.form-box .btn{width:100%;margin-top:18px}
.form-tip{font-size:12px;color:var(--text-light);margin-top:12px}

.faq-section{background:#fff;border-top:1px solid #edf1f7;border-bottom:1px solid #edf1f7}
.faq-layout{
  display:grid;
  grid-template-columns:270px 1fr;
  gap:48px;
}
.faq-layout .faq-side p{
  color:var(--text-secondary);
  font-size:14px;
  margin-top:10px;
}
.faq-layout .faq-side .btn{margin-top:20px;background:var(--primary-soft);color:var(--primary);border:1px solid transparent}
.faq-layout .faq-side .btn:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}
.faq-list{border-top:1px solid #e8edf5}
.faq-item{
  border-bottom:1px solid #e8edf5;
  background:#fff;
}
.faq-item > button{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:20px 4px;
  background:none;
  border:0;
  text-align:left;
  cursor:pointer;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  transition:color var(--transition);
}
.faq-item > button:hover{color:var(--primary)}
.faq-icon{
  flex:0 0 28px;
  height:28px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  transition:all var(--transition);
}
.faq-item.open .faq-icon{
  background:var(--primary);
  color:#fff;
  transform:rotate(180deg);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-answer-inner{
  padding:0 22px 22px 4px;
  color:var(--text-secondary);
  font-size:14px;
}
.faq-answer-inner p{
  border-left:2px solid var(--primary-soft);
  padding-left:14px;
}

.footer{
  background:#fff;
  margin-top:0;
  border-top:1px solid #e6edf6;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr .8fr;
  gap:40px;
  padding:48px 0 34px;
}
.footer-site-name{
  font-size:18px;
  font-weight:800;
  color:var(--primary);
  margin-bottom:11px;
}
.footer-brand p{font-size:13px;color:var(--text-secondary)}
.footer-title{
  font-size:14px;
  font-weight:700;
  margin-bottom:13px;
  color:var(--text);
}
.footer-link li{margin-bottom:7px}
.footer-link a{
  font-size:13px;
  color:var(--text-secondary);
  transition:all var(--transition);
}
.footer-link a:hover{color:var(--primary);padding-left:3px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  border-top:1px solid #edf1f7;
  padding:18px 0;
  font-size:13px;
  color:var(--text-light);
}
.brand-small{color:var(--text-secondary);font-weight:600}
.footer-bottom a{color:var(--primary);font-weight:600}
.footer-bottom a:hover{text-decoration:underline}

@media(max-width:1180px){
  .hero-row{gap:30px}
  .hero-row h1{font-size:34px}
  .mosaic-grid{gap:16px}
  .panel-wide,.panel-short,.panel-a,.panel-b,.panel-c{grid-column:span 12}
}
@media(max-width:1024px){
  .sidebar{
    position:fixed;
    left:0;
    top:0;
    transform:translateX(-110%);
    transition:transform .25s ease;
    box-shadow:var(--shadow-lg);
    width:280px;
  }
  .app-shell.nav-open .sidebar{transform:translateX(0)}
  .mobile-header{display:flex}
  .main-col{margin-left:0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(-n+2){border-bottom:1px solid #eef2f7}
  .wrap{padding-left:24px;padding-right:24px}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .visual-flex{grid-template-columns:1fr;gap:36px}
  .visual-media img{height:330px}
  .cta-panel{grid-template-columns:1fr}
  .cta-formarea{border-left:0;border-top:1px solid #e6edf6}
  .faq-layout{grid-template-columns:1fr;gap:18px}
}
@media(max-width:768px){
  .section{padding:58px 0}
  .hero-row{padding:54px 0;grid-template-columns:1fr}
  .hero-card{max-width:480px}
  .page-hero h1{font-size:29px}
  .sec-head h2,.visual-copy h2,.cta-info h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
}
@media(max-width:520px){
  .wrap{padding-left:18px;padding-right:18px}
  .hero-row{padding:44px 0 46px}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid #eef2f7}
  .stat-item:last-child{border-bottom:0}
  .process-grid{grid-template-columns:1fr}
  .hero-action .btn{flex:1}
  .page-hero h1 font-size? title #c
  .page-hero h1{font-size:25px}
  .hero-card-body{padding:16px}
  .cta-info{padding:28px 20px}
  .cta-formarea{padding:28px 20px}
  .visual-media img{height:250px}
  .btn{font-size:13px;padding:11px 18px}
}

/* roulang page: category1 */
:root{
  --primary:#2D6CDF;
  --primary-dark:#2456B3;
  --primary-tint:#EAF1FB;
  --accent:#F59E0B;
  --accent-dark:#d97706;
  --ink-1:#0F172A;
  --ink-2:#334155;
  --ink-3:#64748B;
  --muted:#94A3B8;
  --line:#D9E2EC;
  --surface:#FFFFFF;
  --surface-soft:#F5F8FB;
  --surface-blue:#EDF3FB;
  --body:#F3F6FB;
  --radius-card:12px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
  --shadow-md:0 10px 26px rgba(45,108,223,.10);
  --shadow-accent:0 8px 18px rgba(245,158,11,.18);
  --sidebar-w:260px;
  --font-main:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --ease:.2s ease;
}

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

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  padding:0;
  background:var(--body);
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.7;
  color:var(--ink-2);
  -webkit-font-smoothing:antialiased;
}

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

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

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

ul,
ol,
p,
h1,
h2,
h3,
h4,
figure{
  margin:0;
  padding:0;
  list-style:none;
}

.skip-link{
  position:absolute;
  left:-999px;
  top:8px;
  z-index:2000;
  background:#fff;
  padding:8px 16px;
  border-radius:6px;
}
.skip-link:focus{
  left:8px;
}

.container{
  width:min(100% - 48px,1280px);
  margin-inline:auto;
}

@media(max-width:640px){
  .container{
    width:min(100% - 32px,1280px);
  }
}

/* ========= Sidebar navigation ========= */
.sidebar{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:var(--sidebar-w);
  z-index:1000;
  background:rgba(255,255,255,.98);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  padding:30px 22px 24px;
  box-shadow:1px 0 0 rgba(16,24,40,.02);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
}

.brand-icon{
  width:42px;
  height:42px;
  border-radius:11px;
  background:linear-gradient(135deg,#2D6CDF 20%,#6391EA 80%);
  position:relative;
  box-shadow:0 6px 14px rgba(45,108,223,.22);
  flex:none;
}
.brand-icon::after{
  content:"M";
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:700;
  font-size:22px;
  font-family:"Georgia","Times New Roman",serif;
}

.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.2;
}
.brand-text strong{
  font-size:19px;
  font-weight:700;
  color:var(--ink-1);
  letter-spacing:.02em;
}
.brand-text em{
  font-style:normal;
  font-size:11px;
  color:var(--muted);
  margin-top:3px;
  letter-spacing:.12em;
}

.side-nav{
  margin-top:40px;
  flex:1;
}

.side-nav .nav-item + .nav-item{
  margin-top:6px;
}

.side-nav a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 16px;
  border-radius:10px;
  color:var(--ink-3);
  font-size:15px;
  font-weight:500;
  transition:transform var(--ease),color var(--ease),background var(--ease);
  position:relative;
}
.side-nav a::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:#CFDAE8;
  flex:none;
  transition:background var(--ease),transform var(--ease);
}
.side-nav a:hover{
  color:var(--primary);
  background:var(--surface-soft);
  transform:translateX(4px);
}
.side-nav a:hover::before{
  background:var(--primary);
  transform:scale(1.15);
}

.side-nav .nav-item.active a{
  color:var(--primary);
  background:var(--primary-tint);
  font-weight:600;
}
.side-nav .nav-item.active a::before{
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(45,108,223,.12);
}

.side-bottom{
  border-top:1px solid var(--line);
  padding-top:18px;
}
.side-tip{
  font-size:12px;
  color:var(--muted);
  line-height:1.6;
}

.nav-toggle{
  display:none;
  border:none;
  background:transparent;
  width:42px;
  height:42px;
  padding:0;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  border-radius:8px;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  width:22px;
  height:2px;
  background:var(--ink-2);
  display:block;
  border-radius:4px;
}
.nav-toggle span{
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
}
.nav-toggle span::before{
  top:-7px;
}
.nav-toggle span::after{
  top:7px;
}
.nav-toggle:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}

@media(max-width:1023px){
  .sidebar{
    position:sticky;
    top:0;
    width:100%;
    height:auto;
    bottom:auto;
    padding:12px 16px;
    border-right:none;
    border-bottom:1px solid var(--line);
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    box-shadow:0 4px 16px rgba(16,24,40,.04);
  }
  .brand-icon{
    width:36px;
    height:36px;
    border-radius:10px;
  }
  .brand-text strong{
    font-size:17px;
  }
  .brand-text em{
    font-size:10px;
  }
  .side-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    margin-top:0;
    display:none;
    background:#fff;
    padding:14px 20px 20px;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(16,24,40,.08);
  }
  .side-nav.is-open{
    display:block;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .side-bottom{
    display:none;
  }
  .sidebar__action{
    margin-left:auto;
  }
  .nav-toggle{
    margin-left:12px;
  }
}

/* ========= Main layout ========= */
.main{
  min-height:100vh;
}

@media(min-width:1024px){
  .main{
    margin-left:var(--sidebar-w);
  }
}

.page-content{
  padding-top:50px;
  padding-bottom:36px;
}

/* ========= Buttons ========= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  text-decoration:none;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  padding:11px 24px;
  border:1px solid transparent;
  line-height:1.5;
  cursor:pointer;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease),color var(--ease);
}

.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 4px 10px rgba(45,108,223,.18);
}
.btn-primary:hover{
  background:var(--primary-dark);
  box-shadow:0 8px 20px rgba(45,108,223,.22);
  transform:translateY(-1px);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:0 4px 10px rgba(45,108,223,.14);
}

.btn-outline{
  background:#fff;
  border-color:rgba(31,41,55,.16);
  color:var(--ink-2);
}
.btn-outline:hover{
  border-color:var(--primary);
  background:var(--primary-tint);
  color:var(--primary);
  transform:translateY(-1px);
}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:var(--shadow-accent);
}
.btn-accent:hover{
  background:var(--accent-dark);
  transform:translateY(-1px);
}

.btn:focus-visible{
  outline:3px solid rgba(45,108,223,.25);
  outline-offset:2px;
}

/* ========= category hero ========= */
.category-hero{
  position:relative;
  isolation:isolate;
  padding:72px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}

.category-hero__bg{
  position:absolute;
  inset:0;
  z-index:-2;
  background:url("/assets/images/backpic/back-1.png"),linear-gradient(111deg,#F7FAFD 0%,#E8F0FA 46%,#D9E7F8 100%);
  background-size:cover;
  background-position:center 30%;
}
.category-hero__bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(247,250,253,.96) 2%,rgba(240,246,252,.88) 46%,rgba(220,233,248,.56) 100%);
}

.breadcrumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:24px;
  font-size:13px;
  color:var(--muted);
  z-index:1;
  position:relative;
}
.breadcrumbs a{
  color:var(--ink-3);
}
.breadcrumbs a:hover{
  color:var(--primary);
}
.breadcrumbs li + li::before{
  content:"/";
  margin-right:8px;
  color:#CAD4E0;
}

.hero-flag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.8);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:var(--shadow-sm);
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  color:var(--primary);
  font-weight:600;
  margin-bottom:20px;
  position:relative;
  z-index:1;
}
.hero-flag::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent);
}

.category-hero h1{
  font-size:42px;
  line-height:1.25;
  color:var(--ink-1);
  font-weight:700;
  letter-spacing:.01em;
  margin:0 0 18px;
  max-width:640px;
  position:relative;
  z-index:1;
}

.category-hero__lead{
  font-size:16px;
  color:#3F5169;
  max-width:640px;
  position:relative;
  z-index:1;
  margin-bottom:30px;
  line-height:1.85;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  position:relative;
  z-index:1;
}

.hero-note{
  margin-top:36px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  position:relative;
  z-index:1;
}

.hero-note span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--ink-3);
  background:rgba(255,255,255,.72);
  padding:5px 12px;
  border-radius:999px;
  border:1px solid rgba(217,226,236,.8);
}
.hero-note span::before{
  content:"";
  width:5px;
  height:5px;
  border-radius:50%;
  background:#8FA8C9;
}

@media(max-width:768px){
  .category-hero{
    padding:50px 0 44px;
  }
  .category-hero h1{
    font-size:32px;
  }
  .category-hero__lead{
    font-size:15px;
  }
}

/* ========= sections ========= */
.section{
  padding:74px 0 40px;
}
.section--tight{
  padding-top:42px;
}
.section--soft{
  background:var(--surface-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section--white{
  background:#fff;
}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:36px;
}
.section-head__inner .eyebrow{
  font-size:13px;
  letter-spacing:.08em;
  font-weight:600;
  color:var(--primary);
  text-transform:uppercase;
}
.section-head h2{
  font-size:30px;
  color:var(--ink-1);
  line-height:1.3;
  margin-top:8px;
}
.section-head .section-desc{
  max-width:470px;
  color:var(--ink-3);
  font-size:15px;
  margin-top:10px;
}
.section-more{
  color:var(--primary);
  font-weight:600;
  font-size:14px;
  flex:none;
}
.section-more:hover{
  text-decoration:underline;
}

@media(max-width:768px){
  .section{
    padding:52px 0 32px;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
    gap:14px;
  }
  .section-head h2{
    font-size:25px;
  }
}

/* ========= featured card common ========= */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
  border-color:#C5D6EA;
}

.card .cover-wrap{
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--surface-blue);
}
.card .cover-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.card:hover .cover-wrap img{
  transform:scale(1.035);
}

.cover-wrap{
  position:relative;
  background:var(--surface-blue);
}

/* ========= hotspot / feature ========= */
.hotspot-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:20px;
}

.hotspot-main{
  grid-column:span 8;
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:#fff;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.hotspot-main:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
}
.hotspot-main .cover-wrap{
  aspect-ratio:16/9;
}
.hotspot-main .cover-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hotspot-main__body{
  padding:28px 26px 32px;
  flex:1;
  display:flex;
  flex-direction:column;
}

.badge-line{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
  flex-wrap:wrap;
}
.tag{
  display:inline-flex;
  align-items:center;
  border-radius:6px;
  background:var(--surface-blue);
  color:var(--primary);
  font-size:13px;
  padding:4px 11px;
  font-weight:500;
}
.tag--hot{
  background:#FEF1DF;
  color:#B45F08;
}

.hotspot-main h3{
  font-size:23px;
  line-height:1.45;
  color:var(--ink-1);
  font-weight:700;
}
.hotspot-main p{
  margin-top:14px;
  font-size:15px;
  color:var(--ink-3);
  line-height:1.8;
  flex:1;
}
.hotspot-card__footer{
  margin-top:22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-top:1px solid var(--line);
  padding-top:16px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:15px;
  font-weight:600;
}
.text-link::after{
  content:"→";
  transition:transform var(--ease);
}
.text-link:hover::after{
  transform:translateX(4px);
}
.small-note{
  font-size:12px;
  color:var(--muted);
}

.hotspot-side{
  grid-column:span 4;
  display:flex;
  flex-direction:column;
  gap:20px;
}

.side-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease);
}
.side-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
}
.side-card .cover-wrap{
  aspect-ratio:16/8;
}
.side-card .cover-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.side-card__body{
  padding:22px 22px 24px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.side-card__body h3{
  font-size:18px;
  line-height:1.4;
  color:var(--ink-1);
  font-weight:600;
  margin-bottom:10px;
}
.side-card__body p{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-3);
  margin-bottom:14px;
}

@media(max-width:1199px){
  .hotspot-main{
    grid-column:span 7;
  }
  .hotspot-side{
    grid-column:span 5;
  }
}

@media(max-width:880px){
  .hotspot-main,
  .hotspot-side{
    grid-column:1/-1;
  }
  .hotspot-side{
    display:grid;
    grid-template-columns:1fr 1fr;
  }
}

@media(max-width:600px){
  .hotspot-side{
    grid-template-columns:1fr;
  }
  .hotspot-main__body{
    padding:22px 20px;
  }
  .hotspot-main h3{
    font-size:20px;
  }
}

/* ========= quick cards strip ========= */
.quick-grid{
  margin-top:20px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.quick-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease);
}
.quick-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}
.quick-card__no{
  font-size:12px;
  color:var(--accent-dark);
  font-weight:700;
  letter-spacing:.05em;
  margin-bottom:12px;
}
.quick-card h3{
  font-size:16px;
  color:var(--ink-1);
  line-height:1.5;
  margin-bottom:8px;
}
.quick-card p{
  font-size:13px;
  line-height:1.7;
  color:var(--ink-3);
}

@media(max-width:1000px){
  .quick-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media(max-width:600px){
  .quick-grid{
    grid-template-columns:1fr;
  }
}

/* ========= static filter pills ========= */
.filter-pills{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:28px 0 20px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:#fff;
  color:var(--ink-3);
  font-size:14px;
  font-weight:500;
  transition:all var(--ease);
  cursor:default;
}
.pill.is-active{
  background:var(--primary-tint);
  color:var(--primary);
  border-color:rgba(45,108,223,.25);
  font-weight:600;
}

/* ========= information mosaic ========= */
.info-layout{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:22px;
}

.info-feature{
  grid-column:span 5;
  background:linear-gradient(150deg,#2D6CDF,#3B79E5);
  border-radius:var(--radius-card);
  color:#fff;
  overflow:hidden;
  position:relative;
  padding:30px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  min-height:360px;
  box-shadow:0 14px 30px rgba(45,108,223,.22);
}
.info-feature::after{
  content:"";
  position:absolute;
  right:-48px;
  top:-50px;
  width:180px;
  height:180px;
  border-radius:50%;
  background:rgba(255,255,255,.12);
}
.info-feature::before{
  content:"";
  position:absolute;
  right:70px;
  bottom:-70px;
  width:140px;
  height:140px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
}
.info-feature img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.18;
}
.info-feature__inner{
  position:relative;
  z-index:2;
}
.info-feature .tag--light{
  color:#fff;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.2);
  align-self:flex-start;
  margin-bottom:16px;
  font-size:13px;
}
.info-feature h3{
  font-size:23px;
  line-height:1.45;
  margin-bottom:10px;
}
.info-feature p{
  color:rgba(255,255,255,.87);
  font-size:14px;
  line-height:1.8;
}

.info-list{
  grid-column:span 7;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.info-row{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--shadow-sm);
  display:grid;
  grid-template-columns:auto 1fr;
  gap:16px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.info-row:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}
.info-row__icon{
  width:44px;
  height:44px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--surface-blue);
  color:var(--primary);
  font-weight:700;
  font-size:18px;
}
.info-row h3{
  font-size:16px;
  color:var(--ink-1);
  font-weight:600;
  margin-bottom:4px;
}
.info-row p{
  font-size:14px;
  color:var(--ink-3);
  line-height:1.7;
}

@media(max-width:1100px){
  .info-feature{
    grid-column:span 5;
  }
  .info-list{
    grid-column:span 7;
  }
}
@media(max-width:860px){
  .info-feature,
  .info-list{
    grid-column:1/-1;
  }
  .info-feature{
    min-height:280px;
  }
}

/* ========= steps ========= */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  counter-reset:step;
}
.step-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px 28px;
  box-shadow:var(--shadow-sm);
  position:relative;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
}
.step-card__num{
  color:var(--primary-tint);
  font-size:42px;
  font-weight:800;
  line-height:1;
  font-family:"Georgia",serif;
}
.step-card h3{
  font-size:17px;
  color:var(--ink-1);
  margin:14px 0 8px;
  font-weight:600;
}
.step-card p{
  font-size:14px;
  color:var(--ink-3);
  line-height:1.75;
}

@media(max-width:1100px){
  .steps-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media(max-width:560px){
  .steps-grid{
    grid-template-columns:1fr;
  }
}

/* ========= CTA band ========= */
.cta-band{
  padding-top:60px;
}
.cta-card{
  position:relative;
  border-radius:18px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  padding:40px 46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-card::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:6px;
  background:linear-gradient(180deg,var(--primary),#7AA6F2);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:30px;
  bottom:-70px;
  width:180px;
  height:180px;
  border-radius:50%;
  background:var(--surface-blue);
}
.cta-card__text{
  position:relative;
  z-index:1;
}
.cta-card .eyebrow{
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  margin-bottom:6px;
}
.cta-card__text h2{
  font-size:25px;
  color:var(--ink-1);
  line-height:1.4;
}
.cta-card__text p{
  margin-top:8px;
  color:var(--ink-3);
  font-size:14px;
  max-width:600px;
}
.cta-card__action{
  flex:none;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
  position:relative;
  z-index:2;
}

@media(max-width:860px){
  .cta-card{
    flex-direction:column;
    align-items:flex-start;
    padding:32px 26px;
  }
  .cta-card__action{
    width:100%;
  }
  .cta-card__action .btn{
    flex:1;
  }
}
@media(max-width:520px){
  .cta-card__action .btn{
    min-width:100%;
  }
}

/* ========= FAQ ========= */
.faq-layout{
  display:grid;
  grid-template-columns:0.75fr 1.25fr;
  gap:44px;
}
.faq-heading{
  max-width:300px;
}
.faq-heading .eyebrow{
  color:var(--primary);
  font-weight:600;
  font-size:13px;
  letter-spacing:.08em;
}
.faq-heading h2{
  font-size:30px;
  color:var(--ink-1);
  margin:12px 0 14px;
  line-height:1.3;
}
.faq-heading p{
  font-size:14px;
  color:var(--ink-3);
  line-height:1.8;
}

.faq-list{
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:last-child{
  border-bottom:none;
}
.faq-toggle{
  width:100%;
  border:none;
  background:transparent;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  padding:20px 24px;
  text-align:left;
  cursor:pointer;
  font-size:15px;
  font-weight:600;
  color:var(--ink-1);
  line-height:1.5;
  transition:background var(--ease);
}
.faq-toggle:hover{
  background:var(--surface-soft);
}
.faq-toggle__icon{
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--surface-blue);
  color:var(--primary);
  flex:none;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:400;
  transition:transform var(--ease),background var(--ease);
}
.faq-item.active .faq-toggle__icon{
  transform:rotate(45deg);
  background:var(--primary-tint);
}

.faq-answer{
  display:none;
  padding:0 24px 22px;
}
.faq-item.active .faq-answer{
  display:block;
}
.faq-answer p{
  font-size:14px;
  color:var(--ink-3);
  line-height:1.85;
  border-left:2px solid #DAE6F5;
  padding-left:14px;
}

@media(max-width:950px){
  .faq-layout{
    grid-template-columns:1fr;
  }
  .faq-heading{
    max-width:100%;
  }
}

/* ========= footer ========= */
.footer{
  background:#fff;
  border-top:1px solid var(--line);
  margin-top:60px;
  padding:48px 0 28px;
}

.footer .footer-brand .footer-site-name{
  font-size:19px;
  font-weight:700;
  color:var(--ink-1);
  margin-bottom:12px;
}
.footer p{
  font-size:14px;
  color:var(--ink-3);
  line-height:1.8;
  max-width:390px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:36px;
}
.footer .footer-title{
  font-size:15px;
  font-weight:600;
  color:var(--ink-1);
  margin-bottom:14px;
}
.footer ul.footer-link li{
  margin-bottom:9px;
}
.footer ul.footer-link a{
  color:var(--ink-3);
  font-size:14px;
  transition:color var(--ease),padding var(--ease);
}
.footer ul.footer-link a:hover{
  color:var(--primary);
  padding-left:3px;
}

.footer-bottom{
  margin-top:32px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--muted);
  flex-wrap:wrap;
  gap:8px;
}
.footer-bottom .brand-small{
  color:var(--ink-3);
  font-weight:600;
}
.footer-bottom a{
  color:var(--muted);
}
.footer-bottom a:hover{
  color:var(--primary);
}

@media(max-width:900px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media(max-width:560px){
  .footer-grid{
    grid-template-columns:1fr;
    gap:26px;
  }
  .footer-bottom{
    flex-direction:column;
    justify-content:flex-start;
    align-items:flex-start;
  }
}