/* roulang page: index */
:root {
  --brand-600: #1568A5;
  --brand-500: #2A7FBD;
  --brand-300: #8ABBD9;
  --brand-100: #E4F0F7;
  --brand-50: #F3F8FC;
  --accent: #E8792C;
  --accent-hover: #D4641E;
  --ink-900: #122A3C;
  --ink-600: #486880;
  --ink-400: #849EB2;
  --line: #DCE8F0;
  --surface: #FFFFFF;
  --dark: #102538;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(15, 42, 62, .06);
  --shadow-md: 0 14px 30px -8px rgba(15, 42, 62, .16);
  --shadow-dock: 0 8px 24px -6px rgba(15, 42, 62, .14);
  --container: 1200px;
  --gutter: 24px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink-900);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

h1, h2, h3, h4, p, ul, ol, figure, blockquote {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

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

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

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

button {
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
}

input {
  border: 0;
  outline: 0;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--brand-600);
  color: #fff;
  border-radius: 8px;
  transition: top .2s ease;
}

.skip-link:focus {
  top: 16px;
}

.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--brand-50);
}

.section-head {
  max-width: 760px;
  margin-bottom: 46px;
}

.section-head p {
  margin-top: 14px;
  color: var(--ink-600);
  font-size: 16px;
  line-height: 1.8;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--brand-100);
  color: var(--brand-600);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  margin-bottom: 18px;
}

.section-head h2 {
  font-size: 34px;
  line-height: 1.3;
  color: var(--ink-900);
  font-weight: 800;
  letter-spacing: 0;
}

@media (max-width: 767px) {
  .section-head h2 {
    font-size: 28px;
  }
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--brand-100);
  color: var(--brand-600);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  white-space: nowrap;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-600);
  font-weight: 600;
  font-size: 15px;
  transition: transform .2s ease, color .2s ease;
}

.text-link:hover {
  transform: translateX(3px);
  color: var(--accent-hover);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 26px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 20px -12px rgba(232, 121, 44, .85);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 14px 24px -12px rgba(212, 100, 30, .7);
}

.btn-outline {
  background: #fff;
  color: var(--brand-600);
  border-color: var(--brand-500);
}

.btn-outline:hover {
  background: var(--brand-100);
  border-color: var(--brand-600);
}

.btn-sm {
  min-height: 42px;
  padding: 0 18px;
  font-size: 14px;
  border-radius: 999px;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 100;
  display: flex;
  align-items: center;
  width: calc(100% - 48px);
  max-width: 1160px;
  margin: 20px auto 0;
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: 999px;
  background: rgba(255, 255, 255, .88);
  box-shadow: var(--shadow-dock);
  backdrop-filter: blur(16px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  white-space: nowrap;
  color: var(--ink-900);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: var(--brand-600);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: -.02em;
  box-shadow: 0 6px 12px -6px rgba(21, 104, 165, .7);
}

.brand-text {
  font-weight: 800;
  color: var(--ink-900);
}

.brand:hover .brand-text {
  color: var(--brand-600);
}

.dock-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-600);
  background: transparent;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease;
}

.nav-link:hover {
  color: var(--brand-600);
  background: var(--brand-50);
}

.nav-link.active,
.nav-link[aria-current="page"] {
  color: var(--brand-600);
  background: var(--brand-100);
  font-weight: 700;
}

.nav-cta {
  margin-left: 10px;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border-radius: 50%;
  background: var(--brand-50);
  border: 1px solid var(--line);
}

.nav-toggle .bar {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 2px;
  background: var(--brand-600);
  transition: opacity .2s ease, transform .2s ease;
}

.hero {
  position: relative;
  padding: 100px 0 88px;
  background:
    linear-gradient(105deg, rgba(255, 255, 255, .96) 0%, rgba(243, 248, 252, .82) 52%, rgba(228, 240, 247, .62) 100%),
    url("/assets/images/backpic/back-1.png") center / cover no-repeat;
  overflow: hidden;
}

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

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .74);
  color: var(--brand-600);
  font-size: 14px;
  font-weight: 700;
}

.hero h1 {
  max-width: 800px;
  margin: 28px 0 22px;
  font-size: 48px;
  line-height: 1.16;
  font-weight: 800;
  color: var(--ink-900);
  letter-spacing: 0;
}

.hero h1 .h1-head {
  display: block;
  color: var(--brand-600);
}

.hero h1 .h1-tail {
  display: block;
  color: var(--ink-900);
}

.hero-sub {
  max-width: 720px;
  color: var(--ink-600);
  font-size: 17px;
  line-height: 1.85;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 920px;
  margin-top: 64px;
}

.hero-card {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, .78);
  border: 1px solid rgba(255, 255, 255, .86);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 8px 24px -16px rgba(15, 42, 62, .16);
}

.hero-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
  border-radius: 9px;
  background: var(--brand-100);
  color: var(--brand-600);
  font-size: 12px;
  font-weight: 800;
}

.hero-card strong {
  display: block;
  font-size: 16px;
  color: var(--ink-900);
  margin-bottom: 6px;
}

.hero-card span {
  color: var(--ink-600);
  font-size: 14px;
  line-height: 1.7;
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 64px;
}

.intro-media {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.intro-media img {
  width: 100%;
  height: 440px;
  object-fit: cover;
}

.intro-visual-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(8px);
  color: var(--brand-600);
  font-size: 14px;
  font-weight: 700;
}

.intro-copy p {
  margin-top: 16px;
  color: var(--ink-600);
  font-size: 16px;
  line-height: 1.9;
}

.intro-copy p:first-of-type {
  margin-top: 0;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.feature-card-lg {
  grid-column: span 7;
}

.feature-stack {
  grid-column: span 5;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-300);
}

.feature-media {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--brand-50);
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px;
}

.feature-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.feature-card-body h3 {
  font-size: 20px;
  line-height: 1.45;
  color: var(--ink-900);
  margin-bottom: 10px;
  font-weight: 700;
}

.feature-card-body p {
  color: var(--ink-600);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 18px;
  flex: 1;
}

.feature-stack .feature-card-body {
  padding: 20px 22px 22px;
}

.feature-stack .feature-card-body h3 {
  font-size: 18px;
}

.news-section .container {
  position: relative;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.news-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-300);
}

.news-card__main {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 24px;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.news-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-400);
  font-size: 13px;
}

.news-date__dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.news-card h3 {
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink-900);
  font-weight: 700;
  margin-bottom: 10px;
}

.news-card p {
  color: var(--ink-600);
  font-size: 14.5px;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 18px;
  flex: 1;
}

.news-card .text-link {
  margin-top: auto;
}

.empty-state {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  border: 1.5px dashed var(--brand-300);
  border-radius: 16px;
  background: var(--brand-50);
  color: var(--ink-600);
  font-size: 15px;
  text-align: center;
}

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

.trust-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}

.trust-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.trust-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: var(--brand-100);
  color: var(--brand-600);
  margin-bottom: 18px;
}

.trust-icon svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trust-card h3 {
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink-900);
  font-weight: 700;
  margin-bottom: 8px;
}

.trust-card p {
  color: var(--ink-600);
  font-size: 14px;
  line-height: 1.75;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.faq-item:hover {
  border-color: var(--brand-300);
  box-shadow: var(--shadow-sm);
}

.faq-item[open] {
  border-color: var(--brand-300);
}

.faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 52px 18px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
  cursor: pointer;
  line-height: 1.6;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--brand-100);
  color: var(--brand-600);
  font-size: 18px;
  font-weight: 600;
  transition: transform .2s ease, background .2s ease;
}

.faq-item[open] summary::after {
  content: "−";
  background: var(--brand-600);
  color: #fff;
}

.faq-item .faq-body {
  padding: 0 20px 20px;
  color: var(--ink-600);
  font-size: 15px;
  line-height: 1.85;
  border-top: 1px solid var(--brand-100);
  margin-top: 4px;
  padding-top: 14px;
}

.cta-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
  padding: 56px;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(115deg, #102538 0%, #1B3A52 58%, #28506B 100%);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.cta-panel::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  top: -120px;
  right: -80px;
  background: radial-gradient(circle, rgba(228, 240, 247, .14), transparent 72%);
  pointer-events: none;
}

.cta-copy {
  position: relative;
  z-index: 2;
}

.cta-copy .section-label {
  background: rgba(228, 240, 247, .14);
  color: #fff;
}

.cta-copy h2 {
  font-size: 32px;
  line-height: 1.35;
  color: #fff;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-copy p {
  color: rgba(255, 255, 255, .76);
  font-size: 16px;
  line-height: 1.8;
}

.cta-form-wrap {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 18px;
  padding: 24px;
}

.sub-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sub-form input[type="email"] {
  width: 100%;
  height: 50px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, .16);
  background: #fff;
  color: var(--ink-900);
  padding: 0 18px;
  font-size: 15px;
  transition: box-shadow .2s ease, border-color .2s ease;
}

.sub-form input[type="email"]::placeholder {
  color: var(--ink-400);
}

.sub-form input[type="email"]:focus {
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgba(42, 127, 189, .35);
}

.sub-form .btn {
  width: 100%;
}

.cta-note {
  color: rgba(255, 255, 255, .66);
  font-size: 12.5px;
  line-height: 1.7;
  margin-top: 12px;
}

.form-success {
  color: #fff;
  background: rgba(255, 255, 255, .12);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.6;
}

.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .72);
  margin-top: 0;
}

.footer-main {
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.9fr 1.2fr;
  gap: 48px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  color: #fff;
}

.footer-brand .brand-mark {
  background: #fff;
  color: var(--brand-600);
}

.footer-desc {
  margin-top: 18px;
  max-width: 320px;
  color: rgba(255, 255, 255, .66);
  font-size: 14px;
  line-height: 1.85;
}

.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links li {
  margin-bottom: 6px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, .68);
  font-size: 14px;
  padding: 4px 0;
  transition: color .2s ease, transform .2s ease;
}

.footer-links a:hover {
  color: #fff;
  transform: translateX(2px);
}

.footer-contact li {
  display: flex;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
  line-height: 1.7;
}

.footer-contact li strong {
  color: #fff;
  font-weight: 600;
  min-width: 84px;
  margin-right: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 3px;
  border-radius: 6px;
}

@media (max-width: 1080px) {
  .feature-card-lg {
    grid-column: span 12;
  }

  .feature-stack {
    grid-column: span 12;
  }

  .feature-card-lg .feature-media {
    aspect-ratio: 16 / 7;
  }
}

@media (max-width: 991px) {
  .section {
    padding: 72px 0;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .intro-media img {
    height: 380px;
  }

  .intro-copy {
    max-width: 720px;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-panel {
    grid-template-columns: 1fr;
    padding: 40px;
  }

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

@media (max-width: 900px) {
  .site-header {
    width: calc(100% - 32px);
    margin: 12px auto 0;
  }

  .dock-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    background: rgba(255, 255, 255, .98);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 16px;
    box-shadow: var(--shadow-dock);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  body.nav-open .dock-nav {
    display: flex;
  }

  .dock-nav .nav-link {
    justify-content: center;
    padding: 12px;
    font-size: 15px;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 8px;
  }

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

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 767px) {
  html {
    scroll-padding-top: 80px;
  }

  .section {
    padding: 64px 0;
  }

  .site-header {
    width: 100%;
    max-width: none;
    margin: 0;
    top: 0;
    border-radius: 0;
    padding: 8px 16px;
    box-shadow: 0 8px 20px -12px rgba(15, 42, 62, .3);
  }

  .site-header .brand-text {
    font-size: 15px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    font-size: 12px;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .hero h1 {
    font-size: 34px;
    line-height: 1.25;
    margin: 22px 0 18px;
  }

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

  .hero-actions .btn {
    width: calc(50% - 7px);
    padding: 0 12px;
    font-size: 14px;
  }

  .hero-cards {
    grid-template-columns: 1fr;
    margin-top: 40px;
  }

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

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .feature-card-lg {
    grid-column: auto;
  }

  .feature-stack {
    grid-column: auto;
    gap: 18px;
  }

  .feature-media,
  .feature-card-lg .feature-media {
    aspect-ratio: 16 / 9;
  }

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

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

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

  .cta-panel {
    padding: 28px 22px;
    border-radius: 18px;
  }

  .cta-copy h2 {
    font-size: 25px;
  }

  .cta-form-wrap {
    padding: 18px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .hero-actions .btn {
    width: 100%;
  }

  .hero-card {
    padding: 18px;
  }

  .news-card__main {
    padding: 20px;
  }

  .feature-card-body,
  .feature-stack .feature-card-body {
    padding: 20px;
  }

  .cta-copy h2 {
    font-size: 23px;
  }

  .footer-main {
    padding: 48px 0 24px;
  }
}

/* roulang page: article */
:root{
  --brand-700:#0F4F82;
  --brand-600:#1568A5;
  --brand-500:#2A7FBD;
  --brand-300:#6BA8D4;
  --brand-100:#E4F0F7;
  --brand-50:#F3F8FC;
  --accent-500:#E8792C;
  --accent-600:#D26218;
  --ink-900:#122A3C;
  --ink-600:#486880;
  --ink-400:#849EB2;
  --ink-300:#A9BFCD;
  --line:#DCE8F0;
  --surface:#FFFFFF;
  --footer-bg:#10273B;
  --shadow-sm:0 1px 2px rgba(15,42,62,.06);
  --shadow-md:0 14px 30px -8px rgba(15,42,62,.16);
  --shadow-dock:0 8px 24px -6px rgba(15,42,62,.14);
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --container:1200px;
  --font-main:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans CJK SC','system-ui',sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  padding-top:12px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
button{font-family:inherit;border:none;cursor:pointer;background:none;}
input{font-family:inherit;border:none;outline:none;}
ul,ol{list-style:none;}
h1,h2,h3,h4{font-weight:800;letter-spacing:0;line-height:1.3;color:var(--ink-900);}
.container{max-width:var(--container);padding:0 clamp(16px,3vw,24px);margin:0 auto;}

.site-header{
  position:sticky;
  top:12px;
  z-index:100;
  max-width:1180px;
  margin:0 auto;
  padding:0 12px 0 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:66px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(220,232,240,.86);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-dock);
}
.site-header .brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--brand-600);
  color:#fff;
  font-size:14px;
  font-weight:800;
  letter-spacing:.03em;
  line-height:1;
}
.brand-text{
  font-size:17px;
  font-weight:800;
  color:var(--ink-900);
  white-space:nowrap;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 16px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:500;
  color:var(--ink-600);
  line-height:1.2;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-600);background:var(--brand-50);}
.nav-link.active,
.nav-link[aria-current="page"]{
  background:var(--brand-100);
  color:var(--brand-600);
  font-weight:600;
}
.nav-cta{margin-left:8px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  border-radius:12px;
  background:var(--brand-50);
  transition:background .2s ease;
}
.nav-toggle:hover{background:var(--brand-100);}
.nav-toggle .bar{
  width:18px;
  height:2px;
  background:var(--ink-900);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.active .bar:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.active .bar:nth-child(2){opacity:0;}
.nav-toggle.active .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  min-height:44px;
  padding:0 22px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  color:var(--ink-900);
  background:transparent;
  transition:all .2s ease;
}
.btn-primary{background:var(--accent-500);border-color:var(--accent-500);color:#fff;}
.btn-primary:hover{background:var(--accent-600);border-color:var(--accent-600);transform:translateY(-2px);box-shadow:0 10px 20px -6px rgba(232,121,44,.45);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-secondary{background:#fff;border-color:var(--brand-600);color:var(--brand-600);}
.btn-secondary:hover{background:var(--brand-100);border-color:var(--brand-500);}
.btn-light{background:#fff;border-color:rgba(255,255,255,.2);color:var(--brand-600);}
.btn-light:hover{background:var(--brand-50);border-color:var(--brand-50);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--brand-600);outline-offset:3px;}

.article-banner{
  position:relative;
  padding:clamp(52px,8vw,84px) 0 clamp(34px,5vw,54px);
  background:
    linear-gradient(105deg,rgba(228,240,247,.97) 0%,rgba(255,255,255,.94) 62%,rgba(243,248,252,.82) 100%),
    url('/assets/images/backpic/back-2.webp') right center / cover no-repeat;
}
.article-banner::after{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:var(--brand-100);
  opacity:.5;
  z-index:0;
}
.banner-inner{
  position:relative;
  z-index:1;
  max-width:900px;
  margin:0 auto;
}
.article-banner .container{
  max-width:1200px;
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-400);
  margin-bottom:34px;
}
.breadcrumb a:hover{color:var(--brand-600);}
.crumb-sep{color:var(--ink-300);font-size:14px;}
.breadcrumb .current{
  color:var(--ink-600);
  font-weight:600;
  max-width:420px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.post-category{
  display:inline-flex;
  align-items:center;
  padding:7px 16px;
  border-radius:var(--radius-pill);
  background:var(--brand-600);
  color:#fff;
  font-size:13px;
  font-weight:600;
  line-height:1.2;
}
.post-title{
  font-size:clamp(30px,4.6vw,46px);
  font-weight:800;
  line-height:1.24;
  margin:18px 0 20px;
  color:var(--ink-900);
}
.post-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  color:var(--ink-400);
  font-size:14px;
  font-weight:400;
}
.meta-divider{
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--ink-300);
}
.banner-desc{
  margin-top:18px;
  max-width:620px;
  font-size:16px;
  color:var(--ink-600);
}

.article-section{
  padding:56px 0 24px;
}
.article-shell{
  max-width:840px;
  margin:0 auto;
  padding:clamp(28px,5vw,56px) clamp(22px,6vw,72px) 40px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
}

.article-content{
  font-size:17px;
  line-height:1.9;
  color:#33495B;
}
.article-content>p{
  margin-bottom:22px;
}
.article-content h2{
  font-size:clamp(22px,2.8vw,28px);
  line-height:1.4;
  margin:54px 0 18px;
  color:var(--ink-900);
}
.article-content h3{
  font-size:20px;
  line-height:1.45;
  margin:38px 0 14px;
  color:var(--ink-900);
}
.article-content img{
  max-width:100%;
  height:auto;
  border-radius:12px;
  margin:28px 0;
}
.article-content ul,
.article-content ol{
  padding-left:24px;
  margin:18px 0 24px;
}
.article-content ul{list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{
  margin-bottom:8px;
  padding-left:2px;
}
.article-content blockquote{
  margin:28px 0;
  padding:18px 24px 18px 28px;
  background:var(--brand-50);
  border-left:4px solid var(--brand-600);
  border-radius:0 14px 14px 0;
  color:var(--ink-600);
}
.article-content a{
  color:var(--brand-600);
  text-decoration:underline;
  text-decoration-color:var(--brand-300);
  text-underline-offset:4px;
}
.article-content a:hover{color:var(--brand-700);text-decoration-color:var(--brand-700);}
.article-content strong{color:var(--ink-900);font-weight:700;}
.article-content p code,
.article-content li code{
  background:var(--brand-50);
  border:1px solid var(--line);
  padding:2px 7px;
  border-radius:6px;
  font-size:.92em;
}

.post-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:38px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:7px 15px;
  border-radius:var(--radius-pill);
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:13px;
  font-weight:600;
  line-height:1.2;
}
.tag:hover{background:var(--brand-600);color:#fff;}

.pager-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:38px;
}
.pager-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:22px 24px;
  background:var(--brand-50);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  transition:all .2s ease;
}
.pager-card:hover{
  border-color:var(--brand-300);
  background:#fff;
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.pager-label{
  font-size:13px;
  color:var(--ink-400);
  font-weight:600;
}
.pager-title{
  font-size:17px;
  font-weight:700;
  color:var(--ink-900);
  line-height:1.5;
}

.empty-section{
  padding:60px 0 90px;
}
.empty-card{
  max-width:680px;
  margin:0 auto;
  padding:clamp(36px,6vw,64px) clamp(24px,5vw,48px);
  background:#fff;
  border:1px dashed var(--brand-300);
  border-radius:var(--radius-lg);
  text-align:center;
}
.empty-icon{
  display:flex;
  align-items:center;
  justify-content:center;
  width:64px;
  height:64px;
  margin:0 auto 20px;
  border-radius:18px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:30px;
  font-weight:800;
}
.empty-card h2{font-size:24px;margin-bottom:12px;}
.empty-card p{color:var(--ink-600);margin-bottom:24px;}

.explore-section{
  background:var(--brand-50);
  padding:80px 0;
  margin-top:32px;
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:flex-end;
  gap:16px;
  margin-bottom:34px;
}
.eyebrow{
  display:block;
  font-size:13px;
  font-weight:700;
  color:var(--brand-600);
  letter-spacing:.16em;
  margin-bottom:8px;
}
.section-head h2{
  font-size:clamp(26px,3.6vw,34px);
  color:var(--ink-900);
  line-height:1.3;
}

.explore-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.explore-card{
  display:flex;
  align-items:stretch;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:all .2s ease;
}
.explore-card:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-3px);
  border-color:var(--brand-300);
}
.explore-media{
  width:42%;
  min-height:220px;
  overflow:hidden;
  background:var(--brand-100);
}
.explore-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.explore-body{
  flex:1;
  padding:26px 24px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:10px;
}
.explore-body h3{
  font-size:20px;
  line-height:1.4;
}
.explore-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-600);
  margin-bottom:8px;
}
.text-btn{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand-600);
  font-size:14px;
  font-weight:700;
}
.text-btn:hover{color:var(--brand-700);}
.text-btn .arrow{
  display:inline-block;
  transition:transform .2s ease;
}
.text-btn:hover .arrow{transform:translateX(4px);}

.cta-section{
  padding:80px 0;
}
.cta-inner{
  position:relative;
  overflow:hidden;
  padding:clamp(36px,6vw,64px);
  background:
    linear-gradient(rgba(6,36,58,.92) 0%,rgba(10,47,73,.86) 100%),
    url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  border-radius:var(--radius-lg);
  color:#fff;
  box-shadow:var(--shadow-md);
}
.cta-copy{
  position:relative;
  z-index:1;
  max-width:680px;
}
.cta-copy h2{
  color:#fff;
  font-size:clamp(26px,3.6vw,36px);
  line-height:1.3;
  margin-bottom:16px;
}
.cta-copy p{
  color:rgba(255,255,255,.86);
  font-size:16px;
  line-height:1.8;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}

.footer{
  background:var(--footer-bg);
  color:#A6BFCF;
  padding:68px 0 0;
  font-size:14px;
}
.footer-main{
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr .9fr 1.2fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.footer-brand .brand-mark{
  background:#fff;
  color:var(--brand-600);
}
.footer-brand span:last-child{
  color:#fff;
  font-size:17px;
  font-weight:800;
}
.footer-desc{
  max-width:320px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
}
.footer-title{
  color:#fff;
  font-size:16px;
  margin-bottom:18px;
  font-weight:700;
}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  color:rgba(255,255,255,.66);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{
  color:#fff;
  padding-left:4px;
}
.footer-contact{
  display:grid;
  gap:14px;
}
.footer-contact li{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.footer-contact strong{
  color:#fff;
  font-size:14px;
  font-weight:600;
}
.footer-contact span{
  color:rgba(255,255,255,.56);
  font-size:13px;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding:20px 0 26px;
  color:rgba(255,255,255,.48);
  font-size:13px;
}

@media (max-width: 1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px;}
  .footer-about{grid-column:1 / -1;}
  .explore-media{width:38%;}
  .article-banner{
    background:
      linear-gradient(105deg,rgba(228,240,247,.97) 0%,rgba(255,255,255,.94) 100%),
      url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  }
}

@media (max-width: 900px){
  .explore-grid{grid-template-columns:1fr;}
  .explore-card{min-height:auto;}
  .explore-media{width:38%;min-height:200px;}
}

@media (max-width: 768px){
  body{padding-top:10px;}
  .site-header{
    top:10px;
    height:58px;
    margin-left:12px;
    margin-right:12px;
    padding-left:14px;
    padding-right:10px;
    border-radius:18px;
    box-shadow:var(--shadow-dock);
  }
  .brand-mark{width:30px;height:30px;font-size:12px;border-radius:8px;}
  .brand-text{font-size:15px;}
  .nav-toggle{
    display:inline-flex;
    width:40px;
    height:40px;
  }
  .dock-nav{
    position:absolute;
    top:calc(100% + 8px);
    left:0;
    right:0;
    display:none;
    align-items:stretch;
    flex-direction:column;
    gap:4px;
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:20px;
    box-shadow:var(--shadow-md);
  }
  .dock-nav.open{display:flex;}
  .dock-nav .nav-link{
    justify-content:flex-start;
    padding:12px 16px;
    border-radius:12px;
  }
  .dock-nav .nav-link.active{background:var(--brand-100);}
  .nav-cta{margin:8px 0 0;}
  .pager-grid{grid-template-columns:1fr;gap:12px;}
  .explore-grid{grid-template-columns:1fr;}
  .explore-card{flex-direction:column;}
  .explore-media{width:100%;min-height:170px;}
  .article-section{padding:36px 0 16px;}
  .article-shell{padding:28px 20px 28px;}
  .article-section .container{padding:0 14px;}
  .article-banner{padding-top:44px;padding-bottom:34px;}
  .breadcrumb{margin-bottom:22px;}
  .post-title{margin-top:14px;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width: 520px){
  .explore-card .explore-media{min-height:150px;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:24px;}
  .fold-trigger{font-size:17px;}
  .article-shell{border-radius:14px;}
  .empty-icon{width:56px;height:56px;font-size:24px;}
  .cta-inner{border-radius:18px;padding-left:20px;padding-right:20px;}
  .explore-body{padding:22px 20px;}
  .explore-body h3{font-size:18px;}
  .explore-body p{font-size:14px;}
}

a:focus-visible{
  outline:2px solid var(--brand-600);
  outline-offset:3px;
  border-radius:6px;
}
.nav-link:focus-visible,
.btn:focus-visible,
.nav-toggle:focus-visible{
  outline:2px solid var(--brand-600);
  outline-offset:3px;
}

/* roulang page: category1 */
:root {
      --brand-600: #1568A5;
      --brand-500: #2A7FBD;
      --brand-300: #7FB2D8;
      --brand-200: #B3CFE5;
      --brand-100: #E4F0F7;
      --brand-50: #F3F8FC;
      --accent-500: #E8792C;
      --accent-600: #D16017;
      --ink-900: #122A3C;
      --ink-600: #486880;
      --ink-400: #849EB2;
      --line: #DCE8F0;
      --surface: #FFFFFF;
      --footer-bg: #102538;
      --shadow-xs: 0 1px 2px rgba(15, 42, 62, .06);
      --shadow-card: 0 14px 30px -8px rgba(15, 42, 62, .10);
      --shadow-lift: 0 18px 38px -10px rgba(15, 42, 62, .18);
      --shadow-dock: 0 8px 24px -6px rgba(15, 42, 62, .14);
      --radius-xs: 6px;
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 22px;
      --container: 1200px;
      --section-space: clamp(64px, 8vw, 116px);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "system-ui", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--ink-900);
      background: var(--surface);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button,
    input {
      font: inherit;
    }

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

    h1,
    h2,
    h3,
    h4,
    p {
      margin: 0;
    }

    :focus-visible {
      outline: 2px solid var(--brand-600);
      outline-offset: 3px;
      border-radius: 4px;
    }

    .container {
      width: 100%;
      max-width: var(--container);
      margin-left: auto;
      margin-right: auto;
      padding-left: clamp(20px, 4vw, 40px);
      padding-right: clamp(20px, 4vw, 40px);
    }

    .site-header {
      position: fixed;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      width: calc(100% - 28px);
      max-width: 1168px;
      min-height: 64px;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 10px 12px 10px 18px;
      background: rgba(255, 255, 255, .88);
      -webkit-backdrop-filter: blur(18px);
      backdrop-filter: blur(18px);
      border: 1px solid rgba(220, 232, 240, .92);
      border-radius: 999px;
      box-shadow: var(--shadow-dock);
      transition: top .25s ease, box-shadow .25s ease, background .25s ease;
    }

    .site-header.scrolled {
      top: 12px;
      background: rgba(255, 255, 255, .95);
      box-shadow: 0 14px 32px -10px rgba(15, 42, 62, .18);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      color: var(--ink-900);
      font-weight: 800;
      letter-spacing: .01em;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      border-radius: 12px;
      background: var(--brand-600);
      color: #fff;
      font-size: 15px;
      font-weight: 800;
      letter-spacing: .04em;
    }

    .brand-text {
      white-space: nowrap;
      font-size: 16px;
      font-weight: 800;
      color: var(--ink-900);
    }

    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      border: 1px solid var(--line);
      border-radius: 12px;
      cursor: pointer;
      padding: 0;
    }

    .nav-toggle .bar {
      width: 18px;
      height: 2px;
      background: var(--ink-900);
      border-radius: 3px;
      transition: transform .2s ease, opacity .2s ease, background .2s ease;
    }

    .nav-toggle.active .bar:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

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

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--ink-600);
      font-size: 15px;
      font-weight: 500;
      transition: background .2s ease, color .2s ease, box-shadow .2s ease;
    }

    .nav-link:hover {
      color: var(--brand-600);
      background: var(--brand-50);
    }

    .nav-link.active {
      color: var(--brand-600);
      background: var(--brand-100);
    }

    .nav-cta {
      margin-left: 8px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 22px;
      border-radius: 10px;
      font-size: 15px;
      font-weight: 600;
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

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

    .btn-sm {
      min-height: 40px;
      padding: 0 18px;
      border-radius: 999px;
      font-size: 14px;
    }

    .btn-primary {
      background: var(--accent-500);
      color: #fff;
      box-shadow: 0 8px 18px -8px rgba(232, 121, 44, .55);
    }

    .btn-primary:hover {
      background: var(--accent-600);
      box-shadow: 0 12px 24px -8px rgba(209, 96, 23, .5);
    }

    .btn-secondary {
      background: #fff;
      color: var(--brand-600);
      border-color: var(--brand-300);
    }

    .btn-secondary:hover {
      background: var(--brand-100);
      border-color: var(--brand-500);
    }

    .btn-white {
      background: #fff;
      color: var(--brand-600);
      border-color: transparent;
    }

    .btn-white:hover {
      background: var(--brand-100);
      color: var(--brand-600);
    }

    .main {
      overflow: hidden;
    }

    /* Hero */
    .cat-hero {
      position: relative;
      background-color: var(--brand-50);
      background-image: url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      overflow: hidden;
    }

    .cat-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(92deg, rgba(255, 255, 255, .96) 0%, rgba(255, 255, 255, .88) 40%, rgba(243, 248, 252, .62) 72%, rgba(228, 240, 247, .32) 100%);
      pointer-events: none;
    }

    .cat-hero .container {
      position: relative;
      z-index: 1;
      min-height: 640px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
      padding-top: clamp(130px, 19vw, 210px);
      padding-bottom: 70px;
    }

    .hero-breadcrumb {
      display: inline-flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 22px;
      padding: 8px 14px;
      background: rgba(255, 255, 255, .7);
      border: 1px solid rgba(255, 255, 255, .9);
      border-radius: 999px;
      font-size: 13px;
      color: var(--ink-600);
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
    }

    .hero-breadcrumb a {
      color: var(--brand-600);
      font-weight: 600;
    }

    .hero-breadcrumb a:hover {
      text-decoration: underline;
    }

    .hero-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      padding: 8px 15px;
      border-radius: 999px;
      background: var(--brand-100);
      color: var(--brand-600);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .02em;
    }

    .hero-chip::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent-500);
    }

    .cat-hero-title {
      max-width: 820px;
      font-size: clamp(44px, 6vw, 68px);
      line-height: 1.18;
      font-weight: 800;
      color: var(--ink-900);
      letter-spacing: -.02em;
    }

    .cat-hero-lead {
      max-width: 700px;
      margin-top: 22px;
      font-size: clamp(16px, 1.6vw, 19px);
      line-height: 1.85;
      color: var(--ink-600);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 34px;
    }

    .hero-stats {
      width: 100%;
      max-width: 780px;
      margin-top: 52px;
      display: flex;
      flex-wrap: wrap;
      border-top: 1px solid rgba(21, 104, 165, .22);
      padding-top: 26px;
    }

    .hero-stat {
      flex: 1 1 140px;
      display: flex;
      flex-direction: column;
      gap: 2px;
      padding: 0 22px 0 0;
    }

    .hero-stat + .hero-stat {
      border-left: 1px solid rgba(21, 104, 165, .18);
      padding-left: 22px;
    }

    .hero-stat strong {
      font-size: 30px;
      line-height: 1.2;
      color: var(--brand-600);
      font-weight: 800;
    }

    .hero-stat span {
      font-size: 14px;
      line-height: 1.5;
      color: var(--ink-600);
    }

    /* Sections */
    .cat-section {
      padding-top: var(--section-space);
      padding-bottom: var(--section-space);
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .08em;
      color: var(--brand-600);
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 48px;
    }

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

    .section-head h2 {
      margin: 0 0 16px;
      font-size: clamp(28px, 3.2vw, 38px);
      line-height: 1.3;
      font-weight: 800;
      color: var(--ink-900);
      letter-spacing: -.01em;
    }

    .section-head p,
    .section-lead {
      font-size: 16px;
      line-height: 1.85;
      color: var(--ink-600);
    }

    .section-lead {
      max-width: 820px;
    }

    .bg-tint {
      background: var(--brand-50);
    }

    /* Intro */
    .intro-grid {
      display: grid;
      grid-template-columns: 1.06fr .94fr;
      gap: clamp(28px, 6vw, 76px);
      align-items: center;
    }

    .intro-copy p {
      color: var(--ink-600);
      font-size: 16px;
      line-height: 1.9;
      margin-top: 18px;
    }

    .intro-copy p:first-of-type {
      margin-top: 22px;
    }

    .intro-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 12px;
      border-radius: 999px;
      background: var(--brand-100);
      color: var(--brand-600);
      font-size: 13px;
      font-weight: 600;
    }

    .intro-media {
      position: relative;
    }

    .intro-media img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      border-radius: 20px;
      box-shadow: var(--shadow-card);
    }

    .media-float {
      position: absolute;
      left: 16px;
      bottom: -16px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 16px;
      background: rgba(255, 255, 255, .94);
      border: 1px solid rgba(220, 232, 240, .9);
      border-radius: 14px;
      box-shadow: var(--shadow-card);
      font-size: 13px;
      font-weight: 600;
      color: var(--ink-600);
      -webkit-backdrop-filter: blur(10px);
      backdrop-filter: blur(10px);
    }

    .media-float::before {
      content: "";
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--accent-500);
    }

    /* Scope alternating rows */
    .scope-section {
      background: var(--surface);
    }

    .scope-list {
      margin-top: 48px;
    }

    .scope-row {
      display: grid;
      grid-template-columns: minmax(300px, .92fr) 1.08fr;
      gap: clamp(28px, 5.5vw, 68px);
      align-items: center;
      padding: 42px 0;
      border-bottom: 1px solid var(--line);
    }

    .scope-row:first-child {
      padding-top: 0;
    }

    .scope-row:last-child {
      padding-bottom: 0;
      border-bottom: 0;
    }

    .scope-row.is-reversed .scope-media {
      order: 2;
    }

    .scope-media {
      overflow: hidden;
      border-radius: 18px;
      box-shadow: var(--shadow-card);
      background: var(--brand-50);
    }

    .scope-media img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      transition: transform .35s ease;
    }

    .scope-row:hover .scope-media img {
      transform: scale(1.025);
    }

    .scope-body .scope-line {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .04em;
      color: var(--brand-500);
      margin-bottom: 12px;
    }

    .scope-body h3 {
      font-size: clamp(22px, 2vw, 29px);
      line-height: 1.35;
      font-weight: 800;
      color: var(--ink-900);
      margin-bottom: 14px;
    }

    .scope-body > p {
      color: var(--ink-600);
      font-size: 15px;
      line-height: 1.9;
      max-width: 560px;
    }

    .scope-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px 18px;
      margin: 20px 0 26px;
      max-width: 620px;
    }

    .scope-points li {
      position: relative;
      padding-left: 21px;
      color: var(--ink-600);
      font-size: 14px;
      line-height: 1.65;
    }

    .scope-points li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 9px;
      width: 9px;
      height: 9px;
      border-radius: 2px;
      background: var(--brand-100);
      transform: rotate(45deg);
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--brand-600);
      font-size: 15px;
      font-weight: 600;
      transition: gap .2s ease, color .2s ease;
    }

    .text-link:hover {
      color: var(--accent-600);
      gap: 10px;
    }

    .text-link .arrow {
      transition: transform .2s ease;
    }

    /* Audience panels */
    .audience-section {
      background: var(--brand-50);
    }

    .audience-head {
      display: grid;
      grid-template-columns: .7fr 1.3fr;
      gap: 30px;
      align-items: end;
      margin-bottom: 44px;
    }

    .audience-head h2 {
      font-size: clamp(28px, 3.2vw, 36px);
      line-height: 1.3;
      color: var(--ink-900);
      margin: 0 0 8px;
    }

    .audience-head p {
      color: var(--ink-600);
      font-size: 16px;
      line-height: 1.85;
      max-width: 680px;
    }

    .audience-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
    }

    .audience-panel {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: clamp(26px, 4vw, 42px);
      box-shadow: var(--shadow-xs);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .audience-panel:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-card);
      border-color: var(--brand-200);
    }

    .audience-panel.accent {
      background: var(--brand-600);
      border-color: var(--brand-600);
      color: #fff;
    }

    .audience-panel.accent:hover {
      box-shadow: 0 18px 36px -10px rgba(21, 104, 165, .4);
    }

    .panel-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 38px;
      height: 38px;
      border-radius: 12px;
      background: var(--brand-100);
      color: var(--brand-600);
      font-weight: 800;
      font-size: 14px;
      margin-bottom: 24px;
    }

    .audience-panel.accent .panel-mark {
      background: rgba(255, 255, 255, .2);
      color: #fff;
    }

    .audience-panel h3 {
      font-size: 21px;
      line-height: 1.4;
      margin-bottom: 10px;
      color: var(--ink-900);
    }

    .audience-panel.accent h3 {
      color: #fff;
    }

    .audience-panel > p {
      color: var(--ink-600);
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .audience-panel.accent > p {
      color: rgba(255, 255, 255, .86);
    }

    .audience-panel ul {
      display: grid;
      gap: 10px;
    }

    .audience-panel li {
      position: relative;
      padding-left: 24px;
      font-size: 14px;
      line-height: 1.7;
      color: var(--ink-600);
    }

    .audience-panel.accent li {
      color: rgba(255, 255, 255, .92);
    }

    .audience-panel li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 0;
      width: 17px;
      height: 17px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: var(--brand-100);
      color: var(--brand-600);
      font-size: 11px;
      font-weight: 700;
    }

    .audience-panel.accent li::before {
      background: rgba(255, 255, 255, .2);
      color: #fff;
    }

    /* Process */
    .process-section {
      background: var(--surface);
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }

    .process-step {
      position: relative;
      padding: 32px 26px 28px;
      background: var(--brand-50);
      border: 1px solid rgba(220, 232, 240, .8);
      border-radius: 18px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .process-step:hover {
      transform: translateY(-3px);
      background: #fff;
      border-color: var(--brand-200);
      box-shadow: var(--shadow-card);
    }

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 36px;
      height: 36px;
      padding: 0 8px;
      border-radius: 10px;
      background: var(--brand-600);
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 20px;
    }

    .process-step h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--ink-900);
      margin-bottom: 9px;
    }

    .process-step p {
      color: var(--ink-600);
      font-size: 14px;
      line-height: 1.8;
    }

    /* FAQ */
    .faq-section {
      background: var(--brand-50);
    }

    .faq-wrap {
      max-width: 880px;
      margin-left: auto;
      margin-right: auto;
    }

    .faq-section .section-head {
      max-width: 720px;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 16px;
      box-shadow: var(--shadow-xs);
      transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .faq-item[open] {
      border-color: var(--brand-200);
      background: #fff;
      box-shadow: var(--shadow-card);
    }

    .faq-summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 22px;
      cursor: pointer;
      list-style: none;
      font-size: 16px;
      font-weight: 600;
      color: var(--ink-900);
      border-radius: 16px;
      line-height: 1.6;
    }

    .faq-summary::-webkit-details-marker {
      display: none;
    }

    .faq-summary:hover {
      color: var(--brand-600);
    }

    .faq-icon {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: var(--brand-100);
      color: var(--brand-600);
      font-size: 18px;
      font-weight: 600;
      transition: transform .2s ease, background .2s ease, color .2s ease;
    }

    .faq-item[open] .faq-icon {
      transform: rotate(45deg);
      background: var(--brand-600);
      color: #fff;
    }

    .faq-body {
      padding: 0 22px 20px;
      color: var(--ink-600);
      font-size: 15px;
      line-height: 1.85;
    }

    /* CTA */
    .cta-panel {
      position: relative;
      overflow: hidden;
      background-color: var(--brand-600);
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      border-radius: 24px;
      box-shadow: 0 22px 48px -12px rgba(16, 37, 56, .35);
      color: #fff;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(105deg, rgba(16, 37, 56, .96) 0%, rgba(21, 104, 165, .88) 48%, rgba(21, 104, 165, .62) 100%);
      pointer-events: none;
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 40px;
      align-items: center;
      padding: clamp(34px, 5vw, 64px);
    }

    .cta-copy h2 {
      font-size: clamp(26px, 2.8vw, 36px);
      line-height: 1.3;
      color: #fff;
      margin-bottom: 14px;
    }

    .cta-copy p {
      color: rgba(255, 255, 255, .86);
      font-size: 15px;
      line-height: 1.85;
      max-width: 620px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .cta-note {
      margin-top: 18px;
      font-size: 12px;
      line-height: 1.7;
      color: rgba(255, 255, 255, .7);
    }

    .cta-links {
      display: grid;
      gap: 14px;
      align-content: center;
    }

    .cta-link-line {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 16px 18px;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .22);
      border-radius: 14px;
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      transition: background .2s ease, transform .2s ease;
    }

    .cta-link-line:hover {
      background: rgba(255, 255, 255, .2);
      transform: translateX(4px);
    }

    .cta-link-num {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 10px;
      background: var(--accent-500);
      color: #fff;
      font-weight: 800;
    }

    /* Footer */
    .footer {
      background: var(--footer-bg);
      color: #C6D4DF;
    }

    .footer-main {
      padding-top: 64px;
      padding-bottom: 44px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr .8fr .9fr 1fr;
      gap: 42px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-weight: 800;
      font-size: 17px;
    }

    .footer-desc {
      margin-top: 16px;
      max-width: 310px;
      color: #9DB4C6;
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-title {
      margin-bottom: 18px;
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      letter-spacing: .02em;
    }

    .footer-links,
    .footer-contact {
      display: grid;
      gap: 10px;
      font-size: 14px;
    }

    .footer-links a {
      color: #9DB4C6;
      transition: color .2s ease, padding-left .2s ease;
    }

    .footer-links a:hover {
      color: #fff;
      padding-left: 3px;
    }

    .footer-contact li {
      display: grid;
      gap: 3px;
      color: #9DB4C6;
    }

    .footer-contact strong {
      color: #E6EFF5;
      font-weight: 600;
      font-size: 13px;
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding-top: 22px;
      padding-bottom: 24px;
      border-top: 1px solid rgba(255, 255, 255, .12);
      color: #8FA8BC;
      font-size: 13px;
    }

    /* Responsive */
    @media (max-width: 1100px) {
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-grid {
        grid-template-columns: 1.4fr .8fr .9fr;
      }
    }

    @media (max-width: 920px) {
      .site-header {
        width: calc(100% - 24px);
      }

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

      .nav-toggle {
        display: inline-flex;
      }

      .dock-nav {
        position: absolute;
        top: calc(100% + 12px);
        left: 0;
        width: 100%;
        padding: 14px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        background: rgba(255, 255, 255, .98);
        border: 1px solid var(--line);
        border-radius: 20px;
        box-shadow: var(--shadow-card);
        -webkit-backdrop-filter: blur(16px);
        backdrop-filter: blur(16px);
      }

      .dock-nav.open {
        display: flex;
      }

      .nav-link {
        justify-content: flex-start;
        min-height: 46px;
        border-radius: 12px;
        padding: 0 16px;
      }

      .nav-cta {
        width: 100%;
        margin-left: 0;
        margin-top: 8px;
      }

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

      .audience-head {
        grid-template-columns: 1fr;
      }

      .cta-inner {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 820px) {
      .scope-row {
        grid-template-columns: 1fr;
        padding: 28px 0;
      }

      .scope-row.is-reversed .scope-media {
        order: 0;
      }

      .scope-media img {
        aspect-ratio: 16 / 12;
      }

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

      .hero-stats {
        gap: 16px;
      }

      .hero-stat {
        flex-basis: 45%;
        padding: 0;
      }

      .hero-stat + .hero-stat {
        border-left: 0;
        padding-left: 0;
      }

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

    @media (max-width: 560px) {
      .site-header {
        top: 10px;
        min-height: 58px;
        padding: 8px 10px 8px 12px;
        border-radius: 18px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        border-radius: 10px;
        font-size: 13px;
      }

      .brand-text {
        font-size: 14px;
      }

      .nav-toggle {
        width: 38px;
        height: 38px;
      }

      .cat-hero .container {
        min-height: 560px;
        padding-top: 120px;
        padding-bottom: 48px;
      }

      .cat-hero-title {
        font-size: clamp(36px, 10vw, 48px);
      }

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

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

      .hero-stat strong {
        font-size: 25px;
      }

      .hero-stat span {
        font-size: 13px;
      }

      .section-head {
        margin-bottom: 34px;
      }

      .scope-list {
        margin-top: 24px;
      }

      .scope-points {
        grid-template-columns: 1fr;
      }

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

      .cta-inner {
        padding: 30px 22px;
      }

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

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

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

/* roulang page: category2 */
:root {
    --brand-600: #1568A5;
    --brand-500: #2A7FBD;
    --brand-100: #E4F0F7;
    --brand-50: #F3F8FC;
    --accent-500: #E8792C;
    --ink-900: #122A3C;
    --ink-600: #486880;
    --ink-400: #849EB2;
    --line: #DCE8F0;
    --surface: #FFFFFF;
    --shadow-sm: 0 1px 2px rgba(15, 42, 62, .06);
    --shadow-lg: 0 14px 30px -8px rgba(15, 42, 62, .16);
    --shadow-dock: 0 8px 24px -6px rgba(15, 42, 62, .14);
    --r-sm: 8px;
    --r-md: 14px;
    --r-lg: 20px;
    --container: 1200px;
    --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-family);
    background: #F8FBFE;
    color: var(--ink-900);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

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

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

  button,
  input {
    font: inherit;
  }

  ul,
  ol {
    list-style: none;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  summary:focus-visible {
    outline: 2px solid var(--brand-600);
    outline-offset: 3px;
  }

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

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--r-sm);
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease;
    min-height: 46px;
    padding: 0 20px;
    font-size: 15px;
  }

  .btn-primary {
    background: var(--accent-500);
    border-color: var(--accent-500);
    color: #fff;
  }

  .btn-primary:hover {
    background: #D9661E;
    transform: translateY(-2px);
    box-shadow: 0 10px 18px -6px rgba(232, 121, 44, .4);
  }

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

  .btn-outline {
    background: #fff;
    border-color: var(--brand-600);
    color: var(--brand-600);
  }

  .btn-outline:hover {
    background: var(--brand-100);
  }

  .btn-md {
    min-height: 46px;
    padding: 0 24px;
  }

  .btn-sm {
    min-height: 38px;
    padding: 0 16px;
    border-radius: 999px;
    font-size: 14px;
  }

  .section {
    padding: 96px 0;
  }

  .section--tint {
    background: var(--brand-50);
  }

  .section-head {
    max-width: 760px;
    margin-bottom: 46px;
  }

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

  .section-overline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--brand-600);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 14px;
  }

  .section-overline::before {
    content: "";
    width: 24px;
    height: 2px;
    background: var(--accent-500);
    border-radius: 999px;
  }

  .section-head--center .section-overline {
    justify-content: center;
  }

  .section-title {
    font-size: 34px;
    line-height: 1.3;
    font-weight: 800;
    letter-spacing: -.01em;
    margin-bottom: 18px;
  }

  .section-desc {
    color: var(--ink-600);
    font-size: 16px;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand-600);
    font-weight: 700;
    font-size: 14px;
    transition: gap .2s ease;
  }

  .text-link:hover {
    gap: 10px;
    color: var(--brand-500);
  }

  .text-link::after {
    content: "→";
    transition: transform .2s ease;
  }

  /* Header */
  .site-header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: min(1180px, calc(100% - 32px));
    min-height: 64px;
    background: rgba(255, 255, 255, .88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(220, 232, 240, .78);
    border-radius: 999px;
    box-shadow: var(--shadow-dock);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px 8px 24px;
    gap: 14px;
    z-index: 1000;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .02em;
    box-shadow: 0 6px 14px -4px rgba(21, 104, 165, .45);
  }

  .brand-text {
    font-weight: 800;
    font-size: 17px;
    color: var(--ink-900);
    white-space: nowrap;
    letter-spacing: .01em;
  }

  .dock-nav {
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .dock-nav .nav-link {
    padding: 9px 14px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink-600);
    transition: background .2s ease, color .2s ease;
  }

  .dock-nav .nav-link:hover {
    color: var(--brand-600);
    background: var(--brand-100);
  }

  .dock-nav .nav-link.active {
    background: var(--brand-100);
    color: var(--brand-600);
  }

  .dock-nav .nav-cta {
    margin-left: 8px;
  }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    background: var(--brand-100);
    border-radius: 999px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
  }

  .nav-toggle .bar {
    width: 18px;
    height: 2px;
    border-radius: 99px;
    background: var(--brand-600);
    transition: all .2s ease;
  }

  .site-header.nav-open .brand {
    color: var(--brand-600);
  }

  /* Category Hero */
  .cat-hero {
    position: relative;
    max-width: var(--container);
    width: calc(100% - 48px);
    margin: 112px auto 0;
    border-radius: 30px;
    overflow: hidden;
    background: var(--brand-50);
    box-shadow: var(--shadow-sm);
  }

  .cat-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 1;
  }

  .cat-hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(243, 248, 252, .98) 0%, rgba(255, 255, 255, .92) 48%, rgba(255, 255, 255, .6) 100%);
  }

  .cat-hero-inner {
    position: relative;
    z-index: 2;
    padding: 76px 64px 78px;
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 54px;
    align-items: center;
  }

  .cat-hero__lead {
    color: var(--ink-600);
    font-size: 17px;
    line-height: 1.9;
    max-width: 680px;
    margin-top: 22px;
  }

  .cat-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
  }

  .cat-hero h1 {
    font-size: 48px;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -.02em;
    margin-top: 6px;
  }

  .cat-hero__tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--brand-600);
    background: rgba(228, 240, 247, .9);
    padding: 7px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
  }

  .cat-hero__tag::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-500);
  }

  .hero-stat-card {
    background: rgba(255, 255, 255, .84);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, .92);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 26px 28px;
  }

  .hero-stat-title {
    font-size: 14px;
    font-weight: 800;
    color: var(--ink-600);
    margin-bottom: 16px;
  }

  .hero-stat-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 0;
  }

  .hero-stat-item + .hero-stat-item {
    border-top: 1px dashed var(--line);
  }

  .hero-stat-num {
    font-size: 26px;
    font-weight: 800;
    color: var(--brand-600);
    min-width: 72px;
    letter-spacing: -.02em;
  }

  .hero-stat-num small {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent-500);
  }

  .hero-stat-desc {
    color: var(--ink-600);
    font-size: 14px;
    line-height: 1.5;
  }

  /* Category Intro */
  .cat-intro {
    background: #fff;
    padding: 102px 0 92px;
  }

  .split {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 72px;
    align-items: center;
  }

  .cat-intro__media {
    position: relative;
  }

  .cat-intro__media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 22px;
    box-shadow: var(--shadow-lg);
  }

  .cat-intro__media::after {
    content: "";
    position: absolute;
    right: -18px;
    bottom: -18px;
    width: 68%;
    height: 62%;
    border-radius: 22px;
    border: 2px solid var(--brand-100);
    z-index: -1;
  }

  .cat-intro__content h2 {
    font-size: 31px;
    line-height: 1.35;
    margin: 8px 0 20px;
    letter-spacing: -.01em;
  }

  .lead-text {
    color: var(--ink-600);
    font-size: 16px;
    line-height: 1.9;
    margin-bottom: 24px;
  }

  .tick-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 18px;
    margin-top: 18px;
  }

  .tick-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    color: var(--ink-900);
    font-size: 15px;
    padding: 12px 14px;
    background: var(--brand-50);
    border: 1px solid #EDF4FA;
    border-radius: 12px;
  }

  .tick-list li::before {
    content: "✓";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--brand-600);
    color: #fff;
    font-size: 12px;
    margin-top: 2px;
  }

  /* Scenario Cards */
  .scenario-section .container {
    position: relative;
  }

  .scene-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
  }

  .scene-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    position: relative;
  }

  .scene-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(42, 127, 189, .32);
  }

  .scene-card--span7 {
    grid-column: span 7;
  }

  .scene-card--span5 {
    grid-column: span 5;
  }

  .scene-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--brand-600);
    background: var(--brand-100);
    border-radius: 999px;
    padding: 5px 12px;
    margin-bottom: 18px;
  }

  .scene-card h3 {
    font-size: 19px;
    line-height: 1.5;
    margin-bottom: 12px;
    font-weight: 800;
    letter-spacing: -.01em;
  }

  .scene-card p {
    color: var(--ink-600);
    font-size: 15px;
    line-height: 1.85;
  }

  .scene-more {
    margin-top: 18px;
  }

  /* Service Process */
  .flow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .flow-step {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease;
    position: relative;
  }

  .flow-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }

  .flow-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--brand-50);
    color: var(--brand-600);
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 20px;
  }

  .flow-step h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 10px;
  }

  .flow-step p {
    color: var(--ink-600);
    font-size: 15px;
    line-height: 1.75;
  }

  /* Faq */
  .faq-list {
    max-width: 920px;
    margin: 0 auto;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color .2s ease, box-shadow .2s ease;
  }

  .faq-item[open] {
    border-color: rgba(21, 104, 165, .28);
    box-shadow: 0 6px 18px -10px rgba(15, 42, 62, .14);
  }

  .faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    font-size: 16px;
    font-weight: 700;
    color: var(--ink-900);
    padding: 21px 24px;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary::after {
    content: "+";
    flex: none;
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 400;
    color: var(--brand-600);
    background: var(--brand-50);
    border-radius: 50%;
    transition: transform .2s ease, background .2s ease;
  }

  .faq-item[open] summary::after {
    transform: rotate(45deg);
    background: var(--brand-100);
  }

  .faq-item .faq-body {
    padding: 0 26px 24px 24px;
    color: var(--ink-600);
    font-size: 15px;
    line-height: 1.85;
  }

  .faq-body p + p {
    margin-top: 12px;
  }

  /* CTA */
  .cat-cta {
    padding: 60px 24px 110px;
  }

  .cat-cta__box {
    max-width: var(--container);
    margin: 0 auto;
    background:
      linear-gradient(100deg, rgba(18, 42, 60, .94), rgba(21, 104, 165, .86)),
      url("/assets/images/backpic/back-2.webp") center / cover;
    border-radius: 28px;
    color: #fff;
    padding: 64px 60px;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
    align-items: center;
    box-shadow: var(--shadow-lg);
  }

  .cat-cta__copy h2 {
    font-size: 30px;
    line-height: 1.4;
    margin-bottom: 14px;
    font-weight: 800;
  }

  .cat-cta__copy p {
    color: rgba(255, 255, 255, .82);
    font-size: 16px;
    line-height: 1.8;
  }

  .cat-cta__form {
    background: #fff;
    border-radius: 20px;
    padding: 26px;
    color: var(--ink-900);
    box-shadow: 0 18px 40px -18px rgba(0, 0, 0, .3);
  }

  .form-title {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 6px;
  }

  .form-desc {
    font-size: 13px;
    color: var(--ink-600);
    margin-bottom: 16px;
  }

  .cta-input-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
  }

  .cta-input-row input {
    flex: 1 1 160px;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 14px;
    color: var(--ink-900);
    background: #fff;
    transition: border-color .2s ease, box-shadow .2s ease;
  }

  .cta-input-row input:focus {
    border-color: var(--brand-600);
    box-shadow: 0 0 0 3px rgba(21, 104, 165, .16);
    outline: none;
  }

  .cta-input-row .btn {
    flex: none;
  }

  .cta-form-note {
    margin-top: 14px;
    font-size: 12px;
    color: var(--ink-400);
    line-height: 1.6;
  }

  /* Footer */
  .footer {
    background: #102538;
    color: #B7CBD9;
    padding-top: 70px;
    border-radius: 0;
  }

  .footer-main {
    padding-bottom: 40px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr .9fr 1fr 1.1fr;
    gap: 46px;
  }

  .footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 17px;
    font-weight: 800;
  }

  .footer-about .footer-brand {
    margin-bottom: 14px;
  }

  .footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #8FA8BA;
  }

  .footer-title {
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 18px;
  }

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

  .footer-links a,
  .footer-contact span {
    font-size: 14px;
    color: #9DB4C4;
    transition: color .2s ease;
  }

  .footer-links a:hover {
    color: #fff;
  }

  .footer-contact li {
    margin-bottom: 14px;
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .footer-contact strong {
    color: #DCE8F0;
    font-size: 13px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 22px 0 34px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: #7F96A7;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .section {
      padding: 72px 0;
    }

    .cat-hero-inner {
      grid-template-columns: 1fr 1fr;
      gap: 34px;
      padding: 56px 42px;
    }

    .cat-hero h1 {
      font-size: 40px;
    }

    .split {
      gap: 40px;
    }

    .flow-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 40px 30px;
    }
  }

  @media (max-width: 860px) {
    .site-header {
      top: 12px;
      min-height: 58px;
      padding-left: 16px;
      width: calc(100% - 24px);
    }

    .nav-toggle {
      display: flex;
      margin-left: auto;
    }

    .dock-nav {
      display: none;
      position: absolute;
      top: calc(100% + 14px);
      left: 0;
      right: 0;
      background: rgba(255, 255, 255, .97);
      backdrop-filter: blur(14px);
      border: 1px solid var(--line);
      border-radius: 20px;
      box-shadow: var(--shadow-dock);
      flex-direction: column;
      align-items: stretch;
      padding: 12px;
      gap: 4px;
    }

    .site-header.nav-open .dock-nav {
      display: flex;
    }

    .dock-nav .nav-link {
      padding: 12px 16px;
      border-radius: 12px;
      text-align: left;
    }

    .dock-nav .nav-cta {
      margin-left: 0;
      justify-content: center;
      margin-top: 6px;
    }

    .cat-hero {
      width: calc(100% - 24px);
      margin-top: 88px;
    }

    .cat-hero-inner {
      grid-template-columns: 1fr;
      padding: 48px 28px;
    }

    .hero-stat-card {
      margin-top: 8px;
    }

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

    .cat-intro__media {
      max-width: 640px;
    }

    .scene-card--span7,
    .scene-card--span5 {
      grid-column: 1 / -1;
    }

    .cat-cta__box {
      grid-template-columns: 1fr;
      padding: 44px 28px;
    }

    .footer-bottom {
      flex-direction: column;
    }
  }

  @media (max-width: 640px) {
    body {
      font-size: 15px;
    }

    .section {
      padding: 62px 0;
    }

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

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

    .brand-mark {
      width: 32px;
      height: 32px;
      font-size: 12px;
      border-radius: 10px;
    }

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

    .cat-hero__actions .btn {
      width: 100%;
    }

    .tick-list {
      grid-template-columns: 1fr;
    }

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

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

    .cat-cta {
      padding: 30px 16px 72px;
    }

    .cat-cta__box {
      padding: 36px 20px;
      background-position: 68% 20%;
    }

    .cta-input-row {
      flex-direction: column;
    }

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

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 34px;
    }

    .footer-bottom {
      padding-bottom: 26px;
    }
  }