/* roulang page: index */
:root {
  --color-bg: #F4F7FB;
  --color-surface: #FFFFFF;
  --color-primary: #174F7A;
  --color-primary-deep: #0F3B5E;
  --color-primary-soft: #E6F0F7;
  --color-accent: #E7A84B;
  --color-accent-soft: #FDF4E7;
  --color-border: #E0EAF2;
  --color-text: #22303D;
  --color-text-secondary: #5B7486;
  --text-link: #174F7A;
  --radius-lg: 24px;
  --radius-card: 16px;
  --radius-inner: 10px;
  --shadow-card: 0 6px 18px rgba(23, 79, 122, 0.08);
  --shadow-hover: 0 14px 34px rgba(23, 79, 122, 0.14);
  --sidebar-width: 260px;
  --header-height: 64px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--text-link); text-decoration: none; }
a:hover { color: var(--color-primary-deep); }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
h1, h2, h3, h4, h5, h6 { line-height: 1.4; margin: 0; font-weight: 800; color: var(--color-text); }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 40px 130px;
}
@media (max-width: 991px) {
  .container { padding: 28px 20px 130px; }
}

.mobile-header { display: none; }
.mobile-header-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1040;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
}
.mobile-header-fixed .mobile-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 16px;
  color: var(--color-text);
}
.mobile-header-fixed .mobile-brand i {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.hamburger {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.hamburger:hover { background: var(--color-primary-soft); border-color: var(--color-primary); }
.hamburger:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 1060;
}
.sidebar-brand {
  height: 92px;
  border-bottom: 1px solid var(--color-border);
  padding: 20px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.sidebar-brand .brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sidebar-brand strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.3;
}
.sidebar-brand small {
  display: block;
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}
.sidebar-nav {
  flex: 1;
  padding: 24px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 46px;
  padding: 0 14px;
  border-radius: 12px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 15px;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.nav-item i {
  width: 20px;
  text-align: center;
  font-size: 16px;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}
.nav-item:hover {
  background: #F0F5FA;
  color: var(--color-primary);
}
.nav-item:hover i { color: var(--color-primary); }
.nav-item.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  box-shadow: inset 3px 0 0 var(--color-primary);
}
.nav-item.active i { color: var(--color-primary); }
.nav-item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.sidebar-footer {
  padding: 18px;
  border-top: 1px solid var(--color-border);
}
.sidebar-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #48A57D;
  box-shadow: 0 0 0 4px rgba(72,165,125,0.12);
}
.sidebar-footer p {
  font-size: 12px;
  color: #98ACBC;
}
.sidebar-footer a { color: #98ACBC; }

.drawer-mask { display: none; }

.content-wrap {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}
@media (max-width: 991px) {
  .mobile-header-fixed { display: flex; }
  .content-wrap {
    margin-left: 0;
    padding-top: var(--header-height);
  }
  .app-sidebar {
    width: min(320px, 84vw);
    transform: translateX(-105%);
    transition: transform 0.28s ease;
    box-shadow: 0 0 40px rgba(15,59,94,0.18);
  }
  body.drawer-open .app-sidebar { transform: translateX(0); }
  body.drawer-open .drawer-mask {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 30, 45, 0.45);
    z-index: 1050;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 26px;
  border-radius: 999px;
  border: 0;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: var(--color-primary);
  white-space: nowrap;
  text-decoration: none;
  transition: all 0.24s ease;
}
.btn i { font-size: 14px; }
.btn:hover { background: var(--color-primary-deep); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(23,79,122,0.2); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.btn-outline {
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary-soft); color: var(--color-primary-deep); }
.btn-accent { background: var(--color-accent); color: #3B2A0E; }
.btn-accent:hover { background: #D99739; color: #221500; box-shadow: 0 8px 20px rgba(231,168,75,0.3); }
.btn-sm { height: 36px; padding: 0 16px; font-size: 13px; }
.btn-lg { height: 52px; padding: 0 34px; font-size: 16px; }

.block-section { margin-bottom: 72px; }
@media (max-width: 767px) { .block-section { margin-bottom: 52px; } }

.section-head { margin-bottom: 30px; }
.section-head h2 { font-size: 27px; letter-spacing: -0.01em; }
.section-head p { color: var(--color-text-secondary); font-size: 15px; margin-top: 10px; max-width: 720px; }
.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}
.section-head-row h2 { font-size: 27px; }
.section-head-row p { color: var(--color-text-secondary); font-size: 15px; margin-top: 8px; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}
.text-link i { transition: transform 0.2s ease; }
.text-link:hover i { transform: translateX(4px); }
@media (max-width: 520px) { .text-link { font-size: 13px; } }

.hero-card {
  position: relative;
  overflow: hidden;
  background: #E9F1F8;
  border: 1px solid #D6E4F0;
  border-radius: var(--radius-lg);
  padding: 54px 52px 40px;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 44px;
  align-items: center;
  margin-bottom: 72px;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  opacity: 0.17;
  pointer-events: none;
}
.hero-copy, .hero-visual { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.75);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  padding: 7px 15px;
  margin-bottom: 20px;
}
.hero-eyebrow i { color: var(--color-accent); }
.hero-card h1 { font-size: 37px; letter-spacing: -0.02em; line-height: 1.28; }
.hero-sub {
  max-width: 520px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text-secondary);
  margin: 18px 0 30px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
.hero-metrics {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.8);
  padding-top: 22px;
}
.hero-metric { display: flex; flex-direction: column; gap: 2px; }
.hero-metric strong {
  font-size: 20px;
  color: var(--color-primary);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.hero-metric span { font-size: 13px; color: var(--color-text-secondary); }
.hero-metric .highlight { color: var(--color-accent); }

.browser-frame {
  background: var(--color-surface);
  border-radius: 18px;
  border: 1px solid #D3E2EE;
  box-shadow: 0 18px 44px rgba(23,79,122,0.18);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-2deg) rotateX(0.5deg);
}
.browser-bar {
  height: 40px;
  background: #F3F7FB;
  border-bottom: 1px solid #E5EDF5;
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 8px;
}
.browser-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: #D5DFE9; }
.browser-bar .dot:first-child { background: #7B94AD; }
.browser-bar .bar-url {
  margin-left: 14px;
  height: 22px;
  flex: 1;
  background: #E5EDF5;
  border-radius: 8px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-size: 12px;
  color: #7B94AD;
}
.browser-frame img { width: 100%; height: auto; object-fit: cover; }

@media (max-width: 991px) {
  .hero-card { grid-template-columns: 1fr; padding: 40px 30px; gap: 30px; }
  .hero-card h1 { font-size: 30px; }
}
@media (max-width: 520px) {
  .hero-card { padding: 34px 22px; }
  .hero-actions .btn { width: 100%; }
  .hero-metrics { gap: 10px; }
  .hero-metric { flex: 1; min-width: 90px; }
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.resource-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 18px;
  display: flex;
  gap: 20px;
  align-items: center;
  transition: all 0.24s ease;
}
.resource-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: #B9D4E8; }
.resource-media {
  width: 138px;
  height: 100px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-primary-soft);
}
.resource-media img { width: 100%; height: 100%; object-fit: cover; }
.resource-info { min-width: 0; }
.resource-info .badge {
  display: inline-block;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.resource-info h3 { font-size: 18px; margin-bottom: 6px; }
.resource-info p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; margin-bottom: 14px; }
.resource-card .btn { height: 34px; padding: 0 18px; font-size: 13px; }
@media (max-width: 767px) {
  .resource-grid { grid-template-columns: 1fr; }
  .resource-media { width: 110px; height: 92px; }
}
@media (max-width: 520px) {
  .resource-card { flex-direction: column; align-items: flex-start; }
  .resource-media { width: 100%; height: auto; max-height: 170px; }
}

.advantage-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.advantage-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 28px 32px;
  transition: background 0.2s ease;
}
.advantage-row:not(:last-child) { border-bottom: 1px solid var(--color-border); }
.advantage-row:hover { background: #F5FAFD; }
.adv-num {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-primary-soft);
  letter-spacing: -0.02em;
  font-family: "SF Mono", Consolas, monospace;
}
.adv-body h3 { font-size: 19px; margin-bottom: 6px; }
.adv-body p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.8; max-width: 680px; }
.adv-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
@media (max-width: 767px) {
  .advantage-row { grid-template-columns: 44px 1fr; padding: 22px 20px; }
  .adv-num { font-size: 22px; }
  .adv-icon { display: none; }
}

.demo-section {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid #D6E4F0;
  padding: 60px;
}
.demo-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-2.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}
.demo-section > .demo-inner { position: relative; z-index: 1; }
.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 30px;
  align-items: start;
}
.demo-window {
  background: var(--color-surface);
  border-radius: 18px;
  border: 1px solid #D4E2EE;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.demo-window .browser-bar { background: #F4F8FB; }
.demo-window img { width: 100%; height: auto; }
.demo-float {
  background: rgba(255,255,255,0.96);
  border-radius: 18px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  padding: 24px;
}
.demo-float span {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.demo-float strong { display: block; font-size: 20px; margin-bottom: 12px; }
.demo-float p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.8; }
@media (max-width: 767px) {
  .demo-section { padding: 30px 18px; }
  .demo-grid { grid-template-columns: 1fr; }
  .demo-float { margin-top: 16px; }
}

.proof-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 46px 48px;
}
.proof-numbers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
  margin-bottom: 36px;
}
.proof-number strong {
  display: block;
  font-size: 34px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.proof-number.hot strong { color: var(--color-accent); }
.proof-number span { display: block; margin-top: 8px; font-size: 14px; color: var(--color-text-secondary); }
.proof-quote {
  background: var(--color-bg);
  border-radius: 16px;
  padding: 30px 34px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.proof-quote .quote-icon {
  color: var(--color-primary);
  opacity: 0.16;
  font-size: 40px;
  line-height: 1;
}
.proof-quote blockquote { margin: 0; font-size: 15px; color: var(--color-text-secondary); line-height: 1.9; }
.proof-quote cite {
  display: block;
  margin-top: 12px;
  font-style: normal;
  font-size: 13px;
  color: var(--color-text);
  opacity: 0.72;
}
@media (max-width: 900px) { .proof-numbers { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) {
  .proof-section { padding: 30px 20px; }
  .proof-numbers { grid-template-columns: repeat(2, 1fr); }
  .proof-number strong { font-size: 26px; }
}

.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-card {
  display: flex;
  align-items: center;
  gap: 22px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 16px;
  transition: all 0.24s ease;
  color: var(--color-text);
}
.news-card:hover {
  transform: translateX(4px);
  border-color: #A8CBDD;
  box-shadow: var(--shadow-card);
  color: var(--color-text);
}
.news-thumb {
  flex: 0 0 120px;
  height: 86px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--color-primary-soft);
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-main { flex: 1; min-width: 0; }
.news-badge {
  display: inline-block;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 7px;
}
.news-main h3 {
  font-size: 17px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 6px;
}
.news-main p {
  font-size: 14px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-date { display: flex; align-items: center; gap: 6px; font-size: 13px; color: #98ACBC; margin-top: 8px; }
.news-date i { font-size: 12px; }
.news-arrow {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: all 0.2s ease;
}
.news-card:hover .news-arrow {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
@media (max-width: 767px) {
  .news-thumb { flex-basis: 86px; height: 76px; }
  .news-main p { display: none; }
  .news-main h3 { font-size: 15px; white-space: normal; }
}
@media (max-width: 520px) {
  .news-thumb { display: none; }
  .news-card { padding: 14px; }
}

.news-empty {
  min-height: 160px;
  border: 1px dashed #BBCEDD;
  border-radius: var(--radius-card);
  background: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
  color: #8DA5B8;
}
.news-empty i { font-size: 34px; color: #C0D3E2; }
.news-empty span { font-size: 14px; }

.faq-list { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.faq-item.open { border-color: #B9D4E8; box-shadow: var(--shadow-card); }
.faq-question {
  width: 100%;
  background: transparent;
  border: 0;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  transition: color 0.2s ease;
}
.faq-question:hover { color: var(--color-primary); }
.faq-question:focus-visible { outline: 2px solid var(--color-accent); outline-offset: -2px; border-radius: 14px; }
.faq-toggle {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.25s ease;
}
.faq-question .faq-icon { display: none; }
.faq-item.open .faq-toggle { background: var(--color-accent); color: #3A2A0D; transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-answer div {
  padding: 0 28px 24px;
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.9;
}
@media (max-width: 520px) {
  .faq-question { font-size: 15px; padding: 18px 18px; }
  .faq-answer div { padding: 0 18px 20px; }
}

.blogs-cta {
  background: linear-gradient(135deg, #E4EEF7, #F2F7FB);
  border: 1px solid #D6E4F0;
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.blogs-cta h2 { font-size: 24px; margin-bottom: 12px; }
.blogs-cta p { color: var(--color-text-secondary); max-width: 650px; font-size: 15px; }
.blogs-cta .cta-actions { display: flex; gap: 12px; flex-wrap: wrap; flex: 0 0 auto; }
@media (max-width: 820px) {
  .blogs-cta { flex-direction: column; align-items: flex-start; padding: 32px 24px; }
  .blogs-cta .cta-actions { width: 100%; }
  .blogs-cta .cta-actions .btn { flex: 1; text-align: center; }
}

@media (max-width: 520px) {
  .blogs-cta .cta-actions { flex-direction: column; width: 100%; }
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 56px 0 120px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--color-border);
}
.footer-brand { font-size: 20px; font-weight: 800; color: var(--color-text); margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.footer-brand i {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.footer-top p { color: var(--color-text-secondary); font-size: 14px; max-width: 420px; }
.footer-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}
.footer-nav a {
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 600;
}
.footer-nav a:hover { color: var(--color-primary); }
.footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #98ACBC;
}
.footer-bottom a { color: #7C96AC; }
.footer-bottom a:hover { color: var(--color-primary); }
@media (max-width: 767px) {
  .footer-top { flex-direction: column; gap: 22px; }
  .footer-inner { padding: 0 20px; }
  .footer-nav { gap: 14px; }
}

.fixed-bottom-cta {
  position: fixed;
  left: var(--sidebar-width);
  right: 0;
  bottom: 0;
  height: auto;
  min-height: 72px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  z-index: 900;
  padding: 0 24px;
  display: flex;
  align-items: center;
  transition: transform 0.3s ease;
}
.fixed-bottom-cta.hide { transform: translateY(100%); }
.cta-inner {
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.cta-inner p { font-size: 15px; font-weight: 600; color: var(--color-text); }
.cta-inner p span { color: var(--color-primary); }
.cta-actions { display: flex; align-items: center; gap: 10px; }
.close-cta {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: transparent;
  color: #8DA5B8;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.close-cta:hover { border-color: #BECFDE; background: #F1F5FA; color: var(--color-text); }
.close-cta:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
@media (max-width: 991px) {
  .fixed-bottom-cta { left: 0; min-height: 64px; padding: 8px 16px; }
  .cta-inner p { font-size: 13px; }
  .fixed-bottom-cta .btn-sm { height: 40px; font-size: 13px; padding: 0 16px; }
}

/* roulang page: article */
:root {
      --color-bg: #F4F7FB;
      --color-surface: #FFFFFF;
      --color-primary: #174F7A;
      --color-primary-deep: #0F3B5E;
      --color-primary-soft: #E6F0F7;
      --color-accent: #E7A84B;
      --color-accent-soft: #FDF4E7;
      --color-border: #E0EAF2;
      --color-text: #22303D;
      --color-text-secondary: #5B7486;
      --text-link: #174F7A;
      --radius-lg: 16px;
      --radius-md: 10px;
      --shadow-card: 0 6px 18px rgba(23, 79, 122, 0.08);
      --shadow-hover: 0 14px 34px rgba(23, 79, 122, 0.14);
      --sidebar-width: 260px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      background: var(--color-bg);
      color: var(--color-text);
      font-size: 16px;
      line-height: 1.9;
      min-height: 100vh;
    }

    a {
      color: var(--text-link);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    a:hover { color: var(--color-primary-deep); }
    img { max-width: 100%; display: block; }
    button, input, textarea { font-family: inherit; }

    .app-shell {
      display: flex;
      min-height: 100vh;
    }

    /* == Sidebar == */
    .sidebar {
      width: var(--sidebar-width);
      background: var(--color-surface);
      border-right: 1px solid var(--color-border);
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      z-index: 200;
      display: flex;
      flex-direction: column;
      padding: 28px 18px 20px;
    }

    .sidebar-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 6px 8px 22px;
      margin-bottom: 12px;
      border-bottom: 1px solid var(--color-border);
    }

    .brand-icon {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: var(--color-primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
    }

    .brand-name {
      font-size: 18px;
      font-weight: 800;
      color: var(--color-primary-deep);
      letter-spacing: 0.3px;
      white-space: nowrap;
    }

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

    .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      height: 44px;
      padding: 0 14px;
      border-radius: 10px;
      color: var(--color-text-secondary);
      font-size: 15px;
      font-weight: 500;
      transition: background 0.2s, color 0.2s;
      position: relative;
    }

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

    .nav-item:hover {
      background: #F0F5FA;
      color: var(--color-primary);
    }

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

    .nav-item.active::before {
      content: '';
      position: absolute;
      left: -18px;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 22px;
      background: var(--color-primary);
      border-radius: 0 4px 4px 0;
    }

    .sidebar-copyright {
      padding: 16px 10px 4px;
      border-top: 1px solid var(--color-border);
      font-size: 12px;
      color: #9BB0C0;
      line-height: 1.6;
    }

    /* == Main content == */
    .main-content {
      flex: 1;
      margin-left: var(--sidebar-width);
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    .topbar {
      display: none;
    }

    .mobile-overlay {
      display: none;
    }

    /* == Article Layout == */
    .article-wrapper {
      flex: 1;
      padding: 40px 40px 110px;
    }

    .article-container {
      max-width: 900px;
      margin: 0 auto;
    }

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

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

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

    .breadcrumb i {
      font-size: 11px;
      color: #B4C6D4;
    }

    .article-card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      padding: 48px;
      margin-bottom: 32px;
    }

    .article-title {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.4;
      color: var(--color-text);
      margin-bottom: 20px;
      letter-spacing: 0.2px;
    }

    .article-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--color-border);
      margin-bottom: 32px;
      font-size: 14px;
      color: var(--color-text-secondary);
    }

    .meta-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .meta-item i {
      color: #9BB4C7;
      font-size: 13px;
    }

    .meta-category {
      display: inline-flex;
      align-items: center;
      padding: 2px 14px;
      background: var(--color-primary-soft);
      color: var(--color-primary);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
      transition: background 0.2s;
    }

    .meta-category:hover {
      background: #d4e5f2;
      color: var(--color-primary-deep);
    }

    /* Article content typography */
    .article-content {
      font-size: 16.5px;
      line-height: 1.95;
      color: var(--color-text);
    }

    .article-content > * + * {
      margin-top: 1.2em;
    }

    .article-content h2 {
      font-size: 24px;
      font-weight: 700;
      line-height: 1.5;
      margin-top: 1.8em;
      margin-bottom: 0.6em;
      color: var(--color-primary-deep);
      padding-left: 14px;
      border-left: 4px solid var(--color-accent);
    }

    .article-content h3 {
      font-size: 20px;
      font-weight: 700;
      line-height: 1.5;
      margin-top: 1.6em;
      margin-bottom: 0.5em;
      color: var(--color-text);
    }

    .article-content p {
      margin-bottom: 1.2em;
    }

    .article-content ul, 
    .article-content ol {
      padding-left: 1.4em;
      margin: 1em 0;
    }

    .article-content li {
      margin-bottom: 0.5em;
    }

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

    .article-content ol li::marker {
      color: var(--color-primary);
      font-weight: 600;
    }

    .article-content blockquote {
      border-left: 4px solid var(--color-primary);
      background: var(--color-primary-soft);
      padding: 16px 20px;
      border-radius: 0 10px 10px 0;
      margin: 1.4em 0;
      color: var(--color-text-secondary);
      font-size: 15.5px;
    }

    .article-content img {
      border-radius: 12px;
      margin: 1.6em auto;
      box-shadow: var(--shadow-card);
    }

    .article-content a {
      text-decoration: underline;
      text-underline-offset: 3px;
      text-decoration-color: #B9D4E8;
    }

    .article-content code {
      background: var(--color-primary-soft);
      padding: 2px 8px;
      border-radius: 6px;
      font-size: 0.9em;
      font-family: "SF Mono", "Menlo", "Consolas", monospace;
    }

    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.4em 0;
      font-size: 15px;
    }

    .article-content th,
    .article-content td {
      padding: 10px 14px;
      border: 1px solid var(--color-border);
      text-align: left;
    }

    .article-content th {
      background: var(--color-primary-soft);
      font-weight: 600;
      color: var(--color-primary-deep);
    }

    /* Not found state */
    .not-found {
      padding: 80px 40px;
      text-align: center;
    }

    .not-found i {
      font-size: 48px;
      color: #B9D4E8;
      display: block;
      margin-bottom: 20px;
    }

    .not-found h2 {
      font-size: 22px;
      color: var(--color-text);
      margin-bottom: 10px;
    }

    .not-found p {
      color: var(--color-text-secondary);
      margin-bottom: 20px;
    }

    .back-home-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-primary);
      color: #fff;
      border: none;
      padding: 10px 24px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.2s, transform 0.2s;
    }

    .back-home-btn:hover {
      background: var(--color-primary-deep);
      color: #fff;
      transform: translateY(-2px);
    }

    /* Article pagination prev/next */
    .article-pagination {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      margin-top: 8px;
      flex-wrap: wrap;
    }

    .article-pagination a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: 12px;
      padding: 10px 18px;
      font-size: 14px;
      color: var(--color-text-secondary);
      transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
      max-width: calc(50% - 8px);
    }

    .article-pagination a:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
      box-shadow: var(--shadow-card);
      transform: translateY(-2px);
    }

    /* Recommended section */
    .recommend-section {
      margin-top: 40px;
    }

    .recommend-title {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 24px;
      color: var(--color-text);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .recommend-title::after {
      content: '';
      flex: 1;
      height: 1px;
      background: var(--color-border);
    }

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

    .recommend-card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      text-decoration: none;
      transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
    }

    .recommend-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
      border-color: #B9D4E8;
    }

    .recommend-card .rc-img {
      height: 160px;
      background: var(--color-primary-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .recommend-card .rc-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
      box-shadow: none;
      margin: 0;
    }

    .recommend-card .rc-img i {
      font-size: 32px;
      color: var(--color-primary);
      opacity: 0.4;
    }

    .recommend-card .rc-body {
      padding: 20px;
    }

    .recommend-card .rc-title {
      font-size: 17px;
      font-weight: 600;
      color: var(--color-text);
      line-height: 1.5;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

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

    .recommend-card .rc-date i {
      font-size: 12px;
      color: #B1C6D8;
    }

    /* CTA strip */
    .cta-strip {
      position: fixed;
      left: var(--sidebar-width);
      right: 0;
      bottom: 0;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-top: 1px solid var(--color-border);
      padding: 14px 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 24px;
      z-index: 150;
      min-height: 64px;
    }

    .cta-strip .cta-text {
      font-size: 15px;
      font-weight: 500;
      color: var(--color-text);
    }

    .cta-strip .cta-text span {
      color: var(--color-primary);
      font-weight: 700;
    }

    .cta-strip .btn-emerald {
      background: var(--color-accent);
      color: var(--color-primary-deep);
      border: none;
      border-radius: 12px;
      padding: 8px 22px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.2s, transform 0.2s;
    }

    .cta-strip .btn-emerald:hover {
      background: #d99a3a;
      transform: translateY(-1px);
    }

    .cta-strip .btn-outline {
      background: transparent;
      border: 1px solid var(--color-primary);
      color: var(--color-primary);
      border-radius: 12px;
      padding: 7px 20px;
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.2s;
    }

    .cta-strip .btn-outline:hover {
      background: var(--color-primary-soft);
    }

    .cta-strip .close-strip {
      background: transparent;
      border: none;
      color: #A0B6C8;
      font-size: 18px;
      cursor: pointer;
      padding: 4px 8px;
      border-radius: 6px;
      transition: color 0.2s, background 0.2s;
      position: absolute;
      right: 8px;
      top: 50%;
      transform: translateY(-50%);
    }

    .cta-strip .close-strip:hover {
      color: var(--color-text);
      background: var(--color-primary-soft);
    }

    /* Footer */
    .site-footer {
      background: var(--color-surface);
      border-top: 1px solid var(--color-border);
      margin-top: auto;
      padding: 40px 40px 30px;
    }

    .footer-inner {
      max-width: 1000px;
      margin: 0 auto;
    }

    .footer-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 40px;
      flex-wrap: wrap;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--color-border);
    }

    .footer-brand {
      font-size: 18px;
      font-weight: 700;
      color: var(--color-primary-deep);
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }

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

    .footer-top p {
      font-size: 14px;
      color: var(--color-text-secondary);
      max-width: 300px;
      line-height: 1.7;
    }

    .footer-nav {
      display: flex;
      flex-wrap: wrap;
      gap: 22px;
      padding-top: 6px;
    }

    .footer-nav a {
      color: var(--color-text-secondary);
      font-size: 14px;
      transition: color 0.2s;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 20px;
      font-size: 13px;
      color: #93AABC;
    }

    .footer-bottom a {
      color: #93AABC;
    }

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

    /* == Responsive == */
    @media (max-width: 992px) {
      .sidebar {
        display: none;
      }

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

      .topbar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: 0 20px;
        height: 64px;
        position: sticky;
        top: 0;
        z-index: 160;
      }

      .topbar-logo {
        display: flex;
        align-items: center;
        gap: 10px;
      }

      .topbar-logo .brand-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
        border-radius: 10px;
      }

      .topbar-logo .brand-name {
        font-size: 16px;
      }

      .topbar-menu-btn {
        background: transparent;
        border: none;
        font-size: 22px;
        color: var(--color-primary);
        cursor: pointer;
        width: 40px;
        height: 40px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .topbar-menu-btn:hover {
        background: var(--color-primary-soft);
      }

      .mobile-overlay {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        background: rgba(15, 30, 50, 0.45);
        z-index: 300;
      }

      .mobile-overlay.show {
        display: block;
      }

      .mobile-drawer {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 84vw;
        max-width: 320px;
        background: var(--color-surface);
        z-index: 310;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 24px 18px;
        overflow-y: auto;
        box-shadow: 20px 0 60px rgba(0, 0, 0, 0.1);
      }

      .mobile-drawer.open {
        transform: translateX(0);
      }

      .mobile-drawer .sidebar-copyright {
        margin-top: 24px;
      }

      .cta-strip {
        left: 0;
        padding: 10px 16px;
        gap: 12px;
        min-height: 60px;
      }

      .cta-strip .cta-text {
        font-size: 13px;
      }

      .cta-strip .btn-outline {
        display: none;
      }

      .cta-strip .close-strip {
        display: none;
      }

      .article-wrapper {
        padding: 24px 20px 100px;
      }

      .article-card {
        padding: 28px 24px;
      }

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

      .footer {
        padding: 32px 20px 24px;
      }
    }

    @media (max-width: 768px) {
      .article-wrapper {
        padding: 16px 16px 100px;
      }

      .article-card {
        padding: 22px 18px;
        border-radius: 14px;
      }

      .article-title {
        font-size: 23px;
      }

      .article-meta {
        gap: 8px 12px;
        font-size: 13px;
      }

      .article-content {
        font-size: 15.5px;
        line-height: 1.9;
      }

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

      .article-content h3 {
        font-size: 18px;
      }

      .breadcrumb {
        margin-bottom: 16px;
        font-size: 12px;
      }

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

      .recommend-card .rc-img {
        height: 150px;
      }

      .article-pagination a {
        max-width: 100%;
        flex: 1;
      }

      .cta-strip .cta-text span {
        display: none;
      }

      .footer-top {
        gap: 24px;
      }

      .footer-top p {
        max-width: 100%;
      }
    }

    @media (max-width: 520px) {
      .topbar {
        padding: 0 14px;
      }

      .article-title {
        font-size: 21px;
      }

      .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
      }

      .meta-sep {
        display: none;
      }

      .article-pagination {
        flex-direction: column;
      }

      .article-pagination a {
        width: 100%;
      }

      .cta-strip {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 12px 20px;
      }

      .cta-strip .cta-text {
        font-size: 12px;
        line-height: 1.5;
      }

      .cta-strip .btn-emerald {
        padding: 7px 16px;
        font-size: 13px;
      }

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

    /* Micro dynamic injections */
    .dynamic-tag {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      background: var(--color-accent-soft);
      color: #B27B2A;
      border-radius: 999px;
      padding: 2px 12px;
      font-size: 12px;
      font-weight: 600;
    }

/* roulang page: category1 */
:root {
  --color-bg: #F4F7FB;
  --color-surface: #FFFFFF;
  --color-primary: #174F7A;
  --color-primary-deep: #0F3B5E;
  --color-primary-soft: #E6F0F7;
  --color-accent: #E7A84B;
  --color-accent-soft: #FDF4E7;
  --color-border: #E0EAF2;
  --color-text: #22303D;
  --color-text-secondary: #5B7486;
  --text-link: #174F7A;
  --shadow-card: 0 6px 18px rgba(23, 79, 122, 0.08);
  --shadow-card-hover: 0 14px 34px rgba(23, 79, 122, 0.14);
  --radius-card: 16px;
  --radius-inner: 10px;
  --radius-pill: 999px;
  --sidebar-w: 260px;
  --bottom-cta-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

::selection {
  background: rgba(23, 79, 122, 0.16);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}

/* ===== App Shell ===== */
.app-shell {
  display: block;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 120;
  width: var(--sidebar-w);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: transform .3s ease;
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 28px 18px 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex: 0 0 auto;
  box-shadow: 0 6px 14px rgba(23, 79, 122, .18);
}

.brand-text {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--color-primary-deep);
  line-height: 1.35;
  white-space: nowrap;
}

.brand-subtitle {
  margin: 14px 14px 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
  border-left: 3px solid var(--color-primary-soft);
  padding-left: 10px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 600;
  transition: background .2s ease, color .2s ease, transform .2s ease;
  position: relative;
}

.nav-item i {
  width: 20px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 15px;
}

.nav-item:hover {
  background: rgba(230, 240, 247, .6);
  color: var(--color-primary);
}

.nav-item.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--color-primary);
}

.nav-item.active i {
  color: var(--color-primary);
}

.sidebar-foot {
  margin-top: auto;
  padding: 16px 12px 0;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-foot .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4FA878;
  box-shadow: 0 0 0 3px rgba(79, 168, 120, .18);
  display: inline-block;
  flex: 0 0 auto;
}

/* ===== Mobile Topbar ===== */
.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 110;
  height: 64px;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.mobile-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary-deep);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.3;
}

.mobile-logo i {
  color: var(--color-primary);
  font-size: 20px;
}

.menu-btn {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
}

.menu-btn:hover {
  background: #d8e7f0;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 59, 94, .42);
  z-index: 115;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}

.drawer-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

/* ===== Main Layout ===== */
.main-wrap {
  min-height: 100vh;
  margin-left: var(--sidebar-w);
  padding-bottom: calc(var(--bottom-cta-h) + 16px);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: background .22s ease, color .22s ease, box-shadow .22s ease, transform .22s ease, border-color .22s ease;
  cursor: pointer;
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible,
.text-link:focus-visible,
.nav-item:focus-visible {
  outline: 2px solid rgba(23, 79, 122, .55);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background: var(--color-primary-deep);
  box-shadow: 0 10px 22px rgba(23, 79, 122, .18);
}

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

.btn-outline:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary-deep);
}

.btn-accent {
  background: var(--color-accent);
  color: #2C2416;
}

.btn-accent:hover {
  background: #d8953a;
  box-shadow: 0 10px 22px rgba(231, 168, 75, .22);
}

.btn-sm {
  height: 36px;
  padding: 0 18px;
  font-size: 14px;
}

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

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

.text-link:hover {
  color: var(--color-primary-deep);
}

.text-link:hover i {
  transform: translateX(3px);
}

/* ===== Tags ===== */
.tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.tag-accent {
  background: var(--color-accent-soft);
  color: #8A5C18;
}

.tag-highlight {
  background: var(--color-accent);
  color: #2C2416;
}

.tag-plain {
  background: rgba(15, 59, 94, .08);
  color: var(--color-primary-deep);
}

/* ===== Category Hero ===== */
.cat-hero {
  padding: 68px 0 64px;
  background-image: linear-gradient(120deg, rgba(244, 247, 251, .96) 0%, rgba(230, 240, 247, .88) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--color-border);
}

.cat-hero .container {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .06em;
}

.hero-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.cat-hero h1 {
  font-size: 34px;
  line-height: 1.4;
  color: var(--color-primary-deep);
  font-weight: 800;
  margin: 18px 0 14px;
  letter-spacing: .01em;
}

.cat-hero p.hero-desc {
  font-size: 16px;
  color: var(--color-text);
  max-width: 520px;
  line-height: 1.9;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(224, 234, 242, .8);
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-meta-item strong {
  font-size: 15px;
  color: var(--color-primary-deep);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.hero-meta-item span {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.hero-shot .window-frame {
  background: rgba(255, 255, 255, .86);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 16px;
  box-shadow: var(--shadow-card-hover);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  background: #fff;
}

.window-bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  font-style: normal;
}

.window-bar i:nth-child(1) {
  background: #F09791;
}

.window-bar i:nth-child(2) {
  background: #EDC06A;
}

.window-bar i:nth-child(3) {
  background: #7CC47C;
}

.window-bar span {
  margin-left: 6px;
  font-size: 12px;
  color: var(--color-text-secondary);
}

.window-frame img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  background: var(--color-primary-soft);
}

/* ===== Section ===== */
.module {
  padding: 72px 0;
}

.module-soft {
  background: #EDF3F8;
}

.section-head {
  max-width: 760px;
  margin-bottom: 40px;
}

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

.section-kicker {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--color-primary);
  display: inline-block;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: 26px;
  line-height: 1.45;
  font-weight: 800;
  color: var(--color-primary-deep);
  margin-bottom: 10px;
}

.section-head p {
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.8;
}

/* ===== Product Entry / Wide Card ===== */
.product-wide {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow .28s ease, transform .28s ease, border-color .28s ease;
  margin-bottom: 28px;
}

.product-wide:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  border-color: #B9D4E8;
}

.product-wide .product-media {
  min-height: 280px;
  background: var(--color-primary-soft);
}

.product-wide .product-media img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.product-body {
  padding: 34px 36px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.card-tags {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.product-body h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary-deep);
  line-height: 1.5;
  margin-bottom: 10px;
}

.product-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.85;
}

.point-list {
  margin: 20px 0 24px;
  display: grid;
  gap: 10px;
}

.point-list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text);
}

.point-list i {
  color: var(--color-primary);
  padding-top: 3px;
  font-size: 15px;
}

.product-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 16px;
}

/* ===== Stagger Grid ===== */
.stagger-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.stagger-grid > .product-card:nth-child(odd) {
  margin-top: 32px;
}

.stagger-grid > .product-card:nth-child(even) {
  margin-bottom: 32px;
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow .28s ease, transform .28s ease, border-color .28s ease;
}

.product-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
  border-color: #B9D4E8;
}

.product-card .product-thumb {
  height: 210px;
  background: var(--color-primary-soft);
  overflow: hidden;
}

.product-card .product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}

.product-card:hover .product-thumb img {
  transform: scale(1.03);
}

.product-card .product-info {
  padding: 24px 25px 27px;
}

.product-card h3 {
  font-size: 20px;
  line-height: 1.45;
  font-weight: 800;
  color: var(--color-primary-deep);
  margin: 12px 0 8px;
}

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

.platform-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.platform-tags span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  background: rgba(23, 79, 122, .07);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
}

/* ===== Guide rows ===== */
.guide-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.guide-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 22px 28px;
  transition: background .2s ease;
}

.guide-row + .guide-row {
  border-top: 1px solid var(--color-border);
}

.guide-row:hover {
  background: var(--color-primary-soft);
}

.guide-no {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--color-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
}

.guide-row h4 {
  font-size: 16px;
  color: var(--color-primary-deep);
  font-weight: 700;
  margin-bottom: 2px;
}

.guide-row p {
  color: var(--color-text-secondary);
  font-size: 14px;
}

/* ===== Steps ===== */
.steps-section {
  background-image: linear-gradient(rgba(237, 243, 248, .94), rgba(237, 243, 248, .94)), url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
}

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

.step-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 26px 24px 28px;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
  position: relative;
}

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

.step-no {
  font-size: 14px;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}

.step-item h4 {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-primary-deep);
  margin: 12px 0 8px;
}

.step-item p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

/* ===== Trust / service ===== */
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 30px 34px;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.service-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
}

.service-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary-deep);
}

.service-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 900px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: 0 3px 10px rgba(23, 79, 122, .04);
  transition: border-color .2s ease, box-shadow .2s ease;
  overflow: hidden;
}

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

.faq-item:hover {
  border-color: #B9D4E8;
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  padding: 18px 22px;
  font-size: 16px;
  color: var(--color-primary-deep);
  font-weight: 700;
  line-height: 1.6;
}

.faq-q .faq-icon {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
  transition: background .2s ease, transform .2s ease;
}

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

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faq-item.open .faq-a {
  max-height: 260px;
}

.faq-a p {
  padding: 0 22px 20px;
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.9;
  border-top: 1px dashed var(--color-border);
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-panel {
  background: var(--color-primary-deep);
  border-radius: 20px;
  padding: 52px 48px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}

.cta-panel::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
}

.cta-panel h2 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}

.cta-panel p {
  color: rgba(255, 255, 255, .85);
  font-size: 15px;
}

.cta-panel .btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 40px 24px;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  color: var(--color-primary-deep);
}

.footer-brand i {
  color: var(--color-primary);
  font-size: 20px;
}

.footer-top p {
  font-size: 14px;
  color: var(--color-text-secondary);
  max-width: 420px;
  margin-top: 10px;
}

.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}

.footer-nav a {
  font-size: 14px;
  color: var(--color-text);
  font-weight: 600;
  transition: color .2s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-secondary);
}

.footer-bottom a {
  color: var(--text-link);
  font-weight: 600;
}

/* ===== Bottom CTA ===== */
.bottom-cta {
  position: fixed;
  left: var(--sidebar-w);
  right: 0;
  bottom: 0;
  z-index: 100;
  height: var(--bottom-cta-h);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--color-border);
  display: flex;
}

.bottom-cta-inner {
  max-width: 1160px;
  margin: 0 auto;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 36px;
}

.bottom-cta p {
  font-size: 15px;
  color: var(--color-text);
  font-weight: 600;
}

.bottom-cta p span {
  color: var(--color-primary);
}

.bottom-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bottom-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, border-color .2s ease;
}

.bottom-close:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .stagger-grid {
    gap: 20px;
  }

  .product-body {
    padding: 28px 28px;
  }

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

@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-105%);
    box-shadow: 0 0 30px rgba(15, 59, 94, .18);
  }

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

  .mobile-topbar {
    display: flex;
  }

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

  .bottom-cta {
    left: 0;
  }

  .cat-hero .container {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-shot {
    max-width: 560px;
  }

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

  .stagger-grid > .product-card:nth-child(odd) {
    margin-top: 0;
  }

  .stagger-grid > .product-card:nth-child(even) {
    margin-bottom: 0;
  }

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

  .module {
    padding: 56px 0;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

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

  h2, .section-head h2 {
    font-size: 22px;
  }

  .product-wide {
    grid-template-columns: 1fr;
  }

  .product-wide .product-media {
    min-height: 200px;
  }

  .product-wide .product-media img {
    min-height: 200px;
  }

  .product-body {
    padding: 24px 22px 28px;
  }

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

  .guide-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px;
    text-align: left;
  }

  .guide-row .guide-link {
    justify-self: start;
  }

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

  .service-card {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .cta-panel {
    padding: 34px 24px;
  }

  .cta-panel h2 {
    font-size: 20px;
  }

  .footer-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

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

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

  .bottom-cta {
    height: 62px;
  }

  .bottom-cta-inner {
    padding: 0 16px;
  }

  .bottom-cta p {
    font-size: 13px;
  }

  .bottom-cta .btn {
    height: 34px;
    font-size: 13px;
    padding: 0 14px;
  }

  .main-wrap {
    padding-bottom: calc(var(--bottom-cta-h) + 6px);
  }

  .window-frame img {
    height: 220px;
  }
}

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .cat-hero h1 {
    font-size: 26px;
  }

  .section-head h2 {
    font-size: 20px;
  }

  .btn-row {
    flex-direction: column;
    width: 100%;
  }

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

  .bottom-cta .btn-row {
    flex-direction: row;
    width: auto;
  }

  .bottom-cta .btn {
    flex: 0 0 auto;
  }

  .bottom-cta .bottom-close {
    display: none;
  }
}

/* roulang page: category2 */
:root {
  --color-bg: #F4F7FB;
  --color-surface: #FFFFFF;
  --color-primary: #174F7A;
  --color-primary-deep: #0F3B5E;
  --color-primary-soft: #E6F0F7;
  --color-accent: #E7A84B;
  --color-accent-soft: #FDF4E7;
  --color-border: #E0EAF2;
  --color-text: #22303D;
  --color-text-secondary: #5B7486;
  --text-link: #174F7A;
  --color-border-hover: #B9D4E8;
  --color-online: #3E9260;
  --shadow-card: 0 6px 18px rgba(23, 79, 122, 0.08);
  --shadow-card-hover: 0 14px 34px rgba(23, 79, 122, 0.14);
  --radius-card: 16px;
  --radius-box: 12px;
  --radius-soft: 10px;
  --radius-full: 999px;
  --sidebar-width: 260px;
  --content-gap: 72px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

body.lock {
  overflow: hidden;
}

h1, h2, h3, h4, h5 {
  margin: 0 0 0.5em;
  line-height: 1.4;
  color: var(--color-text);
  font-weight: 800;
}

h1 {
  font-size: 34px;
}

h2 {
  font-size: 26px;
}

h3 {
  font-size: 20px;
}

h4 {
  font-size: 18px;
}

p {
  margin: 0 0 14px;
  line-height: 1.9;
}

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

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

button {
  font-family: inherit;
  border: 0;
  background: none;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}

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

.main-inner {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 36px 40px 120px;
}

.app-main {
  width: 100%;
}

.mobile-topbar {
  display: none;
}

.mobile-overlay {
  display: none;
}

.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  z-index: 1102;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px 18px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 14px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  flex: 0 0 auto;
  box-shadow: 0 6px 12px rgba(23, 79, 122, 0.16);
}

.brand-name {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.sidebar-kicker {
  margin: 0 22px 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #8AA1B2;
  font-weight: 600;
  text-transform: uppercase;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 14px;
  flex: 1;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  height: 46px;
  padding: 0 16px;
  gap: 12px;
  border-radius: var(--radius-soft);
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}

.nav-item i {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex: 0 0 auto;
}

.nav-item:hover {
  background: #F0F5FA;
  color: var(--color-primary);
}

.nav-item.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 700;
}

.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 4px;
  height: 20px;
  border-radius: 4px;
  background: var(--color-primary);
}

.sidebar-close {
  display: none;
}

.sidebar-bottom {
  margin: 14px 20px 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

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

.page-hero {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  padding: 44px 42px 38px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
  opacity: 0.18;
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -80px;
  top: -100px;
  background: radial-gradient(circle, rgba(23, 79, 122, 0.10), transparent 68%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

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

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

.breadcrumb i {
  font-size: 12px;
  color: #9AB3C6;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  color: #A9761D;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero-eyebrow i {
  font-size: 12px;
}

.main-title {
  font-size: 34px;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.hero-text {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin-bottom: 22px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 22px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .15s ease;
  white-space: nowrap;
}

.btn:focus-visible,
.nav-item:focus-visible,
.faq-question:focus-visible,
.sidebar-close:focus-visible {
  outline: 2px solid #8FBBDD;
  outline-offset: 3px;
}

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

.btn-primary:hover {
  background: var(--color-primary-deep);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(15, 59, 94, 0.18);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary-deep);
  border-color: var(--color-primary-deep);
}

.btn-accent {
  background: var(--color-accent);
  color: #41300D;
}

.btn-accent:hover {
  background: #E5A041;
  color: #41300D;
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(231, 168, 75, 0.20);
}

.btn-sm {
  height: 32px;
  padding: 0 16px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
  height: 44px;
}

.btn:active {
  transform: translateY(1px);
}

.hero-mini-stats {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 34px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(224, 234, 242, 0.88);
  flex-wrap: wrap;
}

.mini-stat {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mini-stat i {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.mini-stat span {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.page-section {
  padding-top: var(--content-gap);
}

.page-section:first-of-type {
  padding-top: 44px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 26px;
}

.section-head h2 {
  margin-bottom: 6px;
}

.section-desc {
  color: var(--color-text-secondary);
  font-size: 15px;
  max-width: 640px;
}

.section-link {
  font-size: 14px;
  font-weight: 600;
  flex: 0 0 auto;
}

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

.assist-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 24px 22px;
  min-height: 128px;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

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

.assist-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  border-radius: 12px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
}

.assist-card h3 {
  font-size: 17px;
  margin: 2px 0 6px;
}

.assist-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.assist-more {
  position: absolute;
  right: 20px;
  top: 22px;
  font-size: 12px;
  color: #8AA1B2;
}

.help-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 326px;
  gap: 36px;
  align-items: start;
}

.content-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 22px;
  box-shadow: var(--shadow-card);
  padding: 30px 30px 12px;
}

.content-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-size: 15px;
  font-weight: 700;
  background: var(--color-primary-soft);
  border-radius: var(--radius-full);
  padding: 4px 14px;
  white-space: nowrap;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item:hover {
  border-color: var(--color-border-hover);
}

.faq-item.open {
  border-color: #BED8EC;
  box-shadow: var(--shadow-card);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  text-align: left;
  padding: 18px 20px;
  background: transparent;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.6;
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 16px;
  line-height: 1;
  transition: transform 0.25s ease, background 0.25s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 22px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.9;
  transition: max-height 0.36s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 320px;
  padding: 0 22px 20px;
}

.faq-answer p {
  margin: 0;
}

.info-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 32px;
}

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 24px;
}

.info-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.info-card-head .assist-icon {
  width: 40px;
  height: 40px;
  font-size: 16px;
}

.info-card-head h3 {
  font-size: 17px;
  margin: 0;
}

.info-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: #F0F8F3;
  border: 1px solid #CFE8D9;
  border-radius: 12px;
  color: var(--color-online);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.info-status i {
  font-size: 13px;
}

.info-list {
  border-top: 1px solid var(--color-border);
}

.info-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-secondary);
  align-items: flex-start;
}

.info-list li i {
  color: var(--color-primary);
  padding-top: 3px;
}

.info-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-box);
  background: var(--color-primary-soft);
  margin: 6px 0 14px;
}

.product-note {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.faq-panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 2px 24px;
  border-top: 1px solid var(--color-border);
  margin-top: 10px;
}

.faq-panel-footer p {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin: 0;
}

.process-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 22px;
  box-shadow: var(--shadow-card);
  padding: 34px 34px 32px;
}

.process-grid {
  display: flex;
  gap: 24px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.process-step {
  flex: 1 1 180px;
  min-width: 160px;
  padding: 20px 0;
  border-left: 1px solid var(--color-border);
  padding-left: 20px;
}

.process-step:first-child {
  border-left: 0;
  padding-left: 0;
}

.step-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}

.process-step h3 {
  font-size: 16px;
  margin-bottom: 6px;
  font-weight: 700;
}

.process-step p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.8;
}

.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 38px 40px;
  border-radius: 24px;
  background: var(--color-primary);
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
}

.cta-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 59, 94, 0.88), rgba(23, 79, 122, 0.58));
}

.cta-banner-content {
  position: relative;
  z-index: 2;
  color: #ffffff;
}

.cta-banner-content h2 {
  color: #ffffff;
  margin-bottom: 8px;
  font-size: 24px;
}

.cta-banner-content p {
  color: rgba(255, 255, 255, 0.84);
  margin: 0;
  font-size: 15px;
}

.cta-banner-action {
  position: relative;
  z-index: 2;
  flex: 0 0 auto;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.cta-banner .btn-surface {
  background: #ffffff;
  color: var(--color-primary);
  border: 1px solid transparent;
}

.cta-banner .btn-surface:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary-deep);
}

.cta-banner .btn-outline-light {
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.80);
  color: #ffffff;
}

.cta-banner .btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: #ffffff;
  color: #ffffff;
}

.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  padding: 36px 48px 44px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 17px;
  color: var(--color-primary);
}

.footer-top p {
  color: var(--color-text-secondary);
  margin: 8px 0 0;
  font-size: 14px;
  max-width: 500px;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 14px;
  color: var(--color-text-secondary);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 22px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.footer-bottom a {
  color: var(--color-text);
  font-weight: 500;
}

.bottom-gap {
  height: 64px;
  background: var(--color-bg);
  flex: 0 0 auto;
}

.bottom-cta {
  position: fixed;
  left: var(--sidebar-width);
  right: 0;
  bottom: 0;
  min-height: 72px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 13px 44px 13px 40px;
  z-index: 900;
  box-shadow: 0 -6px 22px rgba(23, 79, 122, 0.05);
}

.bottom-cta-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.bottom-cta-info i {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 15px;
}

.bottom-cta-info span {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 400;
  margin-left: 8px;
}

.bottom-cta-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bottom-close {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: color .2s ease, border-color .2s ease;
}

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

@media (max-width: 1199px) {
  .main-inner {
    padding-left: 30px;
    padding-right: 30px;
  }

  .bottom-cta {
    padding-left: 30px;
    padding-right: 30px;
  }

  .help-layout {
    grid-template-columns: minmax(0, 1fr) 296px;
    gap: 24px;
  }

  .site-footer {
    padding-left: 30px;
    padding-right: 30px;
  }
}

@media (max-width: 991px) {
  .app-sidebar {
    transform: translateX(-105%);
    box-shadow: 0 0 50px rgba(23, 79, 122, 0.16);
  }

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

  .sidebar-close {
    display: flex;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    align-items: center;
    justify-content: center;
    position: absolute;
    right: 18px;
    top: 18px;
    z-index: 5;
    cursor: pointer;
    font-size: 16px;
  }

  .main-content {
    margin-left: 0;
    padding-top: 64px;
  }

  .mobile-topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: 0 18px;
    height: 64px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1090;
  }

  .mobile-logo {
    font-size: 16px;
    font-weight: 800;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    overflow: hidden;
    white-space: nowrap;
  }

  .mobile-logo i {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--color-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex: 0 0 auto;
  }

  .nav-trigger {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    background: #ffffff;
    color: var(--color-primary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-trigger:active {
    background: var(--color-primary-soft);
  }

  .mobile-overlay.show {
    position: fixed;
    inset: 0;
    background: rgba(15, 59, 94, 0.4);
    z-index: 1080;
    display: block;
  }

  .bottom-cta {
    left: 0;
    padding: 10px 20px;
    min-height: 62px;
    gap: 14px;
  }

  .bottom-cta-info {
    font-size: 14px;
  }

  .bottom-cta-info span {
    display: none;
  }

  .main-inner {
    padding: 24px 20px 96px;
  }

  .help-layout {
    grid-template-columns: 1fr;
  }

  .info-panel {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-hero {
    padding: 34px 28px;
  }

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 28px;
  }
}

@media (max-width: 767px) {
  .main-title {
    font-size: 28px;
  }

  h2 {
    font-size: 22px;
  }

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

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

  .info-panel {
    grid-template-columns: 1fr;
  }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }

  .content-panel {
    padding: 22px 18px 6px;
  }

  .page-hero {
    padding: 30px 22px;
  }

  .hero-mini-stats {
    gap: 18px;
    flex-direction: column;
    align-items: flex-start;
  }

  .bottom-cta .btn {
    font-size: 13px;
    padding: 0 13px;
    height: 36px;
  }

  .bottom-cta-info i {
    display: none;
  }

  .bottom-close {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }
}

@media (max-width: 520px) {
  .faq-question {
    padding: 16px 14px;
    gap: 10px;
    font-size: 14px;
  }

  .faq-answer,
  .faq-item.open .faq-answer {
    padding-left: 14px;
    padding-right: 14px;
  }

  .section-head .section-link {
    width: 100%;
  }

  .content-panel-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .process-grid {
    flex-direction: column;
    gap: 0;
  }

  .process-step {
    border-left: 0;
    padding-left: 0;
    padding: 18px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .process-step:last-child {
    border-bottom: 0;
  }

  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
  }
}