/* roulang page: index */
:root {
  --primary: #0E7C8B;
  --primary-dark: #0A6375;
  --accent: #FF8A3D;
  --accent-dark: #D96A1F;
  --bg: #F5F8FA;
  --card-bg: #FFFFFF;
  --main-text: #142837;
  --secondary-text: #334A59;
  --muted-text: #6B8292;
  --border: #D9E4EB;
  --light-fill: #EAF3F6;
  --success: #1D9D6E;
  --danger: #D64545;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-card: 0 10px 30px rgba(20, 40, 55, 0.05);
  --shadow-float: 0 18px 40px rgba(20, 40, 55, 0.10);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--main-text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
button { font-family: inherit; cursor: pointer; }
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
@media (min-width: 640px) {
  .container { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 1024px) {
  .container { padding-left: 2rem; padding-right: 2rem; }
}
.section-pad {
  padding-top: clamp(4rem, 8vw, 6.5rem);
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
}
.bg-white { background: #fff; }
.bg-soft-gray { background: var(--bg); }
.bg-light-fill { background: var(--light-fill); }

/* ===== buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border-radius: 999px;
  padding: .8rem 1.85rem;
  font-size: .97rem;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: background .2s ease, transform .15s ease, box-shadow .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 10px 22px rgba(14,124,139,.18); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 14px 28px rgba(14,124,139,.25); }
.btn-primary:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(14,124,139,.28); }
.btn-outline { background: rgba(255,255,255,.72); color: var(--primary); border-color: rgba(14,124,139,.65); }
.btn-outline:hover { background: var(--light-fill); }
.btn-outline:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(14,124,139,.18); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 12px 24px rgba(255,138,61,.16); }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-accent:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(255,138,61,.28); }

/* ===== section heading ===== */
.section-marker {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--primary);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .04em;
  background: var(--light-fill);
  padding: .28rem .95rem;
  border-radius: 999px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.25;
  font-weight: 800;
  margin: 1rem 0 .6rem;
  color: var(--main-text);
}
.section-lead {
  max-width: 780px;
  font-size: 1.05rem;
  color: var(--secondary-text);
  margin: 0;
}

/* ===== header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-wrap {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 78px;
  gap: 1rem;
}
.brand-logo {
  font-weight: 800;
  color: var(--main-text);
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  line-height: 1.1;
}
.brand-logo .logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(255,138,61,.16);
}
.brand-logo:hover { color: var(--primary); }
.nav-center { grid-column: 2; text-align: center; }
.nav-side { display: flex; align-items: center; gap: .15rem; }
.nav-left { justify-content: flex-end; grid-column: 1; }
.nav-right { justify-content: flex-start; grid-column: 3; }
.nav-side a {
  display: inline-block;
  padding: .5rem .9rem;
  font-size: .98rem;
  font-weight: 500;
  color: var(--secondary-text);
  border-radius: 999px;
  position: relative;
}
.nav-side a:hover { color: var(--primary); background: rgba(234,243,246,.6); }
.nav-side a.active { color: var(--primary); background: rgba(234,243,246,.85); font-weight: 700; }
.nav-btn {
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--main-text);
  transition: background .2s, border-color .2s;
}
.nav-btn:hover { border-color: var(--primary); background: var(--light-fill); color: var(--primary); }
.mobile-only { display: none; }
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 28, 38, .42);
  z-index: 70;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.drawer-overlay.show { opacity: 1; pointer-events: auto; }
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(78vw, 340px);
  height: 100dvh;
  background: #fff;
  z-index: 75;
  padding: 6.2rem 2rem 2rem;
  box-shadow: -8px 0 32px rgba(20,40,55,.12);
  transform: translateX(106%);
  transition: transform .26s ease;
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer .drawer-brand { color: var(--primary); font-weight: 800; padding-bottom: 1.4rem; margin-bottom: 1rem; border-bottom: 1px solid var(--border); }
.mobile-drawer a.mobile-nav-link {
  display: block;
  padding: .85rem .3rem;
  font-size: 1.06rem;
  color: var(--secondary-text);
  border-bottom: 1px solid rgba(217,228,235,.6);
  font-weight: 500;
}
.mobile-drawer a.mobile-nav-link:hover { color: var(--primary); padding-left: .55rem; }
.mobile-drawer a.mobile-nav-link.active { color: var(--primary); font-weight: 800; }
@media (max-width: 900px) {
  .nav-side.desktop-only { display: none; }
  .nav-btn { display: inline-flex; grid-column: 1; justify-self: start; }
  .nav-center { grid-column: 2; }
  .mobile-only { display: block; }
  .brand-logo { font-size: 1.18rem; gap: .42rem; }
  .header-wrap { min-height: 68px; }
}

/* ===== hero ===== */
.hero {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center 40%;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(92deg, rgba(245,248,250,.98) 0%, rgba(245,248,250,.92) 40%, rgba(245,248,250,.58) 100%);
}
.hero-inner {
  position: relative;
  min-height: clamp(600px, 82vh, 760px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 4rem;
  padding-bottom: 4rem;
}
@media (max-width: 640px) {
  .hero::before {
    background: linear-gradient(180deg, rgba(245,248,250,.97) 10%, rgba(245,248,250,.86) 55%, rgba(245,248,250,.70) 100%);
  }
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 3.35rem);
  line-height: 1.2;
  font-weight: 900;
  max-width: 880px;
  margin: 0 0 1.15rem;
  letter-spacing: -0.015em;
  color: var(--main-text);
}
.hero p.hero-lead {
  max-width: 660px;
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--secondary-text);
  margin: 0 0 2.4rem;
}

/* ===== fact band ===== */
.info-band {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.fact-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--border);
}
.fact-item {
  padding: 1.9rem 1.6rem;
  border-right: 1px solid var(--border);
}
.fact-item strong { display: block; font-size: 1.16rem; color: var(--primary); margin-bottom: .28rem; }
.fact-item span { display: block; font-size: .95rem; color: var(--secondary-text); line-height: 1.65; }
@media (max-width: 900px) {
  .fact-list { grid-template-columns: repeat(2, 1fr); border-left: 0; }
  .fact-item { border-bottom: 1px solid var(--border); }
  .fact-item:nth-child(2n+1) { border-left: 1px solid var(--border); }
}
@media (max-width: 500px) {
  .fact-list { grid-template-columns: 1fr; }
  .fact-item:nth-child(n) { border-left: 1px solid var(--border); border-bottom: 1px solid var(--border); }
}

/* ===== steps / visuals ===== */
.step-row {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 4rem;
  align-items: center;
  padding: 1.4rem 0 3rem;
}
.step-row.reverse { grid-template-columns: .95fr 1.05fr; }
@media (max-width: 900px) {
  .step-row, .step-row.reverse { grid-template-columns: 1fr; gap: 1.8rem; padding-bottom: 2.4rem; }
}
.step-media {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  background: #fff;
  line-height: 0;
}
.step-media img { width: 100%; height: 100%; object-fit: cover; min-height: 240px; }
.step-tag {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1rem;
  color: var(--primary);
  font-weight: 800;
  font-size: .95rem;
  letter-spacing: .03em;
}
.step-tag .step-index {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--light-fill);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
}
.step-text h3 { font-size: 1.55rem; margin: 0 0 .7rem; color: var(--main-text); line-height: 1.3; }
.step-text p { color: var(--secondary-text); font-size: 1rem; margin: 0 0 1.2rem; }
.check-list { list-style: none; margin: 1rem 0 0; padding: 0; }
.check-list li { position: relative; padding-left: 1.8rem; margin-bottom: .45rem; color: var(--secondary-text); }
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: rotate(-45deg);
  border-radius: 1px;
}

/* ===== reward list ===== */
.reward-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 4.5rem;
  align-items: center;
}
@media (max-width: 900px) {
  .reward-grid { grid-template-columns: 1fr; gap: 2.2rem; }
}
.reward-list { list-style: none; margin: 0; padding: 0; }
.reward-item {
  display: flex;
  gap: 1.3rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}
.reward-item:last-child { border-bottom: 0; }
.reward-icon {
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--light-fill);
  color: var(--primary);
  font-weight: 800;
}
.reward-icon.orange { background: rgba(255,138,61,.14); color: var(--accent-dark); }
.reward-content h3 { margin: 0 0 .35rem; font-size: 1.12rem; font-weight: 750; }
.reward-content p { margin: 0 0 .2rem; color: var(--secondary-text); }
.badge-sm {
  display: inline-block;
  background: var(--light-fill);
  color: var(--primary);
  font-size: .78rem;
  padding: .14rem .65rem;
  border-radius: 999px;
  margin-right: .4rem;
  font-weight: 600;
}

/* ===== task progress ===== */
.task-panel {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 3rem;
  align-items: center;
  background: #fff;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: clamp(1.5rem, 4vw, 3.4rem);
}
@media (max-width: 900px) {
  .task-panel { grid-template-columns: 1fr; gap: 2rem; }
}
.progress-card { background: var(--light-fill); border-radius: 18px; padding: 1.8rem; }
.progress-label { display: flex; justify-content: space-between; font-weight: 700; margin-bottom: .7rem; color: var(--primary); }
.progress-track { height: 10px; background: #fff; border-radius: 999px; box-shadow: inset 0 1px 3px rgba(20,40,55,.08); }
.progress-fill { width: 60%; background: var(--primary); height: 100%; border-radius: 999px; position: relative; transition: width 1s ease; }
.progress-fill::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  transform: translate(4px,-50%);
  border: 3px solid var(--primary);
}
.task-list { list-style: none; margin: 1.2rem 0 0; padding: 0; }
.task-list li {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  padding: .82rem 0;
  border-bottom: 1px dashed var(--border);
  color: var(--secondary-text);
  font-weight: 500;
}
.task-list li:last-child { border-bottom: 0; }
.task-status { flex: 0 0 24px; width: 24px; height: 24px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }
.task-status.done { background: var(--success); color: #fff; }
.task-status.active { background: var(--accent); color: #fff; box-shadow: 0 0 0 5px rgba(255,138,61,.14); }
.task-status.todo { background: #E4EDF2; color: var(--muted-text); }

/* ===== latest news / CMS ===== */
.news-section { background: var(--bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.news-list-wrap { margin-top: 2rem; background: #fff; border: 1px solid var(--border); border-radius: 22px; padding: 1rem 2rem; box-shadow: var(--shadow-card); }
@media (max-width: 640px) { .news-list-wrap { padding: 1rem .6rem; } }
.news-item {
  display: grid;
  grid-template-columns: 142px 1fr;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.news-item:last-child { border-bottom: 0; }
.news-meta { color: var(--muted-text); font-size: .9rem; }
.news-cat {
  display: inline-block;
  background: var(--light-fill);
  color: var(--primary);
  border-radius: 999px;
  padding: .13rem .75rem;
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: .4rem;
}
.news-main h3 { margin: 0 0 .4rem; font-size: 1.12rem; }
.news-main h3 a:hover { color: var(--primary); }
.news-main p { margin: 0 0 .6rem; color: var(--secondary-text); }
.read-link { color: var(--primary); font-weight: 600; }
.read-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.news-empty {
  display: block;
  color: var(--muted-text);
  padding: 2rem 0;
}
@media (max-width: 640px) {
  .news-item { grid-template-columns: 1fr; gap: .8rem; }
}

/* ===== FAQ ===== */
.faq-wrap { max-width: 840px; margin: 2.4rem auto 0; }
.faq-item {
  border-bottom: 1px solid var(--border);
  transition: background .2s ease;
}
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  cursor: pointer;
  padding: 1.15rem .4rem;
  font-size: 1.04rem;
  font-weight: 650;
  color: var(--main-text);
  transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--primary); }
.faq-item summary .faq-icon { position: relative; flex: 0 0 34px; width: 34px; height: 34px; border-radius: 50%; background: var(--light-fill); display: inline-flex; align-items: center; justify-content: center; }
.faq-item summary .faq-icon::before { content: ""; width: 12px; height: 2px; background: var(--primary); border-radius: 2px; }
.faq-item summary .faq-icon::after { content: ""; width: 2px; height: 12px; background: var(--primary); border-radius: 2px; position: absolute; transition: opacity .2s; }
.faq-item[open] summary { color: var(--primary); }
.faq-item[open] summary .faq-icon { background: rgba(14,124,139,.14); }
.faq-item[open] summary .faq-icon::after { opacity: 0; }
.faq-answer { color: var(--secondary-text); padding: 0 1.4rem 1.25rem 2.2rem; line-height: 1.8; }
@media (max-width: 560px) {
  .faq-answer { padding-left: .5rem; padding-right: .5rem; }
}

/* ===== CTA ===== */
.cta-banner {
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  position: relative;
  border-radius: 0;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(80deg, rgba(255,255,255,.97) 0%, rgba(255,255,255,.92) 42%, rgba(255,255,255,.62) 100%);
}
.cta-inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  padding: clamp(3rem, 6vw, 5rem) 0;
}

/* ===== footer ===== */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-top: 4rem;
  padding-bottom: 3rem;
}
@media (max-width: 900px) {
  .footer-main { grid-template-columns: 1fr 1fr; gap: 2.4rem; }
}
@media (max-width: 560px) {
  .footer-main { grid-template-columns: 1fr; }
}
.footer-brand-logo { font-size: 1.35rem; font-weight: 800; color: var(--main-text); margin-bottom: .8rem; display: inline-flex; align-items: center; gap: .55rem; }
.footer-brand-logo .logo-dot { width: 9px; height: 9px; background: var(--accent); border-radius: 999px; display: inline-block; }
.footer-desc { color: var(--secondary-text); margin: 0 0 1.2rem; font-size: .95rem; max-width: 320px; }
.footer-col h4 { font-size: 1rem; margin: 0 0 1rem; font-weight: 800; color: var(--main-text); }
.footer-col a {
  display: block;
  color: var(--secondary-text);
  padding: .34rem 0;
  font-size: .94rem;
}
.footer-col a:hover { color: var(--primary); }
.footer-sub {
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted-text);
  font-size: .9rem;
  padding: 1.4rem 0;
}

/* ===== misc utilities ===== */
.media-frame {
  border-radius: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  background: #fff;
}
.media-frame img { width: 100%; object-fit: cover; }
.is-muted { color: var(--muted-text); }
.tabular { font-variant-numeric: tabular-nums; }

/* roulang page: category1 */
:root {
    --primary: #0E7C8B;
    --primary-dark: #0A6375;
    --accent: #FF8A3D;
    --accent-dark: #D9681C;
    --page-bg: #F5F8FA;
    --surface: #FFFFFF;
    --surface-muted: #EAF3F6;
    --text-main: #142837;
    --text-secondary: #334A59;
    --muted-text: #6B8292;
    --border-color: #D9E4EB;
    --radius: 18px;
    --shadow-card: 0 6px 18px rgba(20, 40, 55, .05);
    --shadow-soft: 0 14px 32px rgba(20, 40, 55, .08);
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "system-ui", "-apple-system", "Segoe UI", sans-serif;
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: var(--page-bg);
    color: var(--text-main);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

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

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

  a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease;
  }

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

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

  button, input {
    font: inherit;
  }

  section[id] {
    scroll-margin-top: 96px;
  }

  .container {
    width: 100%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  @media (min-width: 768px) {
    .container {
      padding-left: 1.75rem;
      padding-right: 1.75rem;
    }
  }

  @media (min-width: 1024px) {
    .container {
      padding-left: 2rem;
      padding-right: 2rem;
    }
  }

  .section {
    padding-block: clamp(4rem, 8vw, 6rem);
  }

  .section-white {
    background: var(--surface);
  }

  .section-tint {
    background: rgba(14, 124, 139, .055);
  }

  .section-soft {
    background: #F5F9FB;
  }

  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .32rem .95rem;
    border-radius: 999px;
    background: rgba(14, 124, 139, .1);
    color: var(--primary-dark);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .04em;
    margin-bottom: 1.1rem;
  }

  .section-title,
  .block-title {
    font-size: clamp(1.55rem, 3vw, 2.25rem);
    line-height: 1.28;
    letter-spacing: -0.01em;
    color: var(--text-main);
    margin-bottom: 1rem;
  }

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

  .text-muted-copy {
    color: var(--muted-text);
  }

  .badge-sm {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    border-radius: 999px;
    padding: .28rem .72rem;
    font-size: .75rem;
    font-weight: 600;
    line-height: 1.5;
  }

  /* ========== Header ========== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(255, 255, 255, .9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
  }

  .header-wrap {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    min-height: 74px;
    gap: .5rem;
  }

  @media (min-width: 1024px) {
    .header-wrap {
      grid-template-columns: 1fr auto 1fr;
      gap: 1.25rem;
      min-height: 78px;
    }
  }

  .nav-side {
    display: none;
    align-items: center;
    gap: 2rem;
  }

  .nav-left {
    justify-content: flex-end;
  }

  .nav-right {
    justify-content: flex-start;
  }

  @media (min-width: 1024px) {
    .nav-side {
      display: flex;
    }

    .nav-btn {
      display: none !important;
    }
  }

  .nav-side a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: .4rem .1rem;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    line-height: 1.4;
    border-radius: 4px;
  }

  .nav-side a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 3px;
    border-radius: 999px;
    background: var(--primary);
    transition: width .2s ease;
  }

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

  .nav-side a.active {
    color: var(--primary);
    font-weight: 600;
  }

  .nav-side a.active::after {
    width: 100%;
  }

  .nav-center {
    justify-self: center;
    text-align: center;
    grid-column: 2;
  }

  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    color: var(--text-main);
    font-size: 1.16rem;
    font-weight: 800;
    letter-spacing: .01em;
    white-space: nowrap;
    line-height: 1.3;
  }

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

  .logo-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(255, 138, 61, .2);
    flex: 0 0 auto;
  }

  .nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: transparent;
    color: var(--text-main);
    cursor: pointer;
    transition: all .2s ease;
  }

  .nav-btn:hover {
    background: var(--surface-muted);
    border-color: rgba(14, 124, 139, .25);
    color: var(--primary);
  }

  .drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 85;
    background: rgba(20, 40, 55, .42);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
  }

  .drawer-overlay.show {
    opacity: 1;
    visibility: visible;
  }

  .mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 110;
    display: flex;
    flex-direction: column;
    gap: .4rem;
    width: min(86vw, 340px);
    height: 100dvh;
    padding: 1.5rem 1.3rem;
    background: var(--surface);
    box-shadow: -18px 0 46px rgba(20, 40, 55, .18);
    transform: translateX(105%);
    transition: transform .25s ease-out;
  }

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

  .drawer-brand {
    margin-bottom: .7rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-main);
  }

  .mobile-nav-link {
    display: block;
    padding: .85rem .7rem;
    border-radius: 12px;
    font-size: 1.02rem;
    color: var(--text-main);
    transition: background .15s ease, color .15s ease;
  }

  .mobile-nav-link:hover {
    background: rgba(14, 124, 139, .08);
    color: var(--primary);
  }

  .mobile-nav-link.active {
    background: rgba(14, 124, 139, .1);
    color: var(--primary-dark);
    font-weight: 600;
  }

  /* ========== Page Hero ========== */
  .page-hero {
    position: relative;
    overflow: hidden;
    padding-block: clamp(3.5rem, 8vw, 6.8rem);
    background-color: #EDF5F7;
  }

  .page-hero-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(105deg, rgba(245, 248, 250, .98) 0%, rgba(245, 248, 250, .9) 46%, rgba(220, 238, 243, .74) 100%), url('/assets/images/backpic/back-1.webp');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
  }

  .page-hero-content {
    position: relative;
    z-index: 2;
    max-width: 880px;
  }

  .crumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .55rem;
    margin-bottom: 1.75rem;
    color: var(--muted-text);
    font-size: .85rem;
  }

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

  .crumb span[aria-hidden="true"] {
    color: #A5B9C6;
  }

  .hero-title-main {
    display: block;
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.12;
    letter-spacing: -0.02em;
    font-weight: 800;
    color: var(--text-main);
  }

  .hero-title-sub {
    display: block;
    margin-top: 1rem;
    font-size: clamp(.95rem, 2vw, 1.35rem);
    line-height: 1.5;
    font-weight: 600;
    color: var(--primary-dark);
    max-width: 56ch;
  }

  .page-hero-desc {
    max-width: 64ch;
    margin-top: 1.4rem;
    color: var(--text-secondary);
    font-size: 1rem;
  }

  @media (min-width: 768px) {
    .page-hero-desc {
      font-size: 1.07rem;
    }
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .9rem;
    margin-top: 2rem;
  }

  /* ========== Buttons ========== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    border-radius: 999px;
    padding: .78rem 1.7rem;
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.5;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease;
  }

  .btn:hover {
    transform: translateY(-1px);
    color: #fff;
  }

  .btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(14, 124, 139, .28);
  }

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

  .btn-primary:hover {
    background: var(--primary-dark);
  }

  .btn-outline {
    background: rgba(255, 255, 255, .8);
    border-color: rgba(14, 124, 139, .5);
    color: var(--primary-dark);
  }

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

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

  .btn-accent:hover {
    background: var(--accent-dark);
  }

  /* ========== Media card ========== */
  .media-card {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    background: #EAF3F6;
    box-shadow: var(--shadow-card);
  }

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

  .media-note {
    margin-top: .9rem;
    padding: .8rem 1rem;
    background: rgba(14, 124, 139, .07);
    border-left: 3px solid var(--primary);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: .88rem;
  }

  /* ========== Check list ========== */
  .check-list {
    display: grid;
    gap: .75rem;
    margin-top: 1.4rem;
  }

  .check-list li {
    position: relative;
    padding-left: 2rem;
    color: var(--text-secondary);
  }

  .check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .35rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(14, 124, 139, .13);
  }

  .check-list li::after {
    content: "";
    position: absolute;
    left: .3rem;
    top: .62rem;
    width: 9px;
    height: 5px;
    border-left: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    transform: rotate(-45deg);
  }

  /* ========== Info type panels ========== */
  .type-panel {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.7rem 1.8rem;
    box-shadow: var(--shadow-card);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  }

  .type-panel:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft);
    border-color: #B9D2DB;
  }

  .type-panel::before {
    content: "";
    display: block;
    width: 42px;
    height: 4px;
    border-radius: 999px;
    background: var(--primary);
    margin-bottom: 1.1rem;
  }

  .type-index {
    position: absolute;
    right: 1.5rem;
    top: 1.4rem;
    font-size: 2rem;
    line-height: 1;
    font-weight: 800;
    color: rgba(14, 124, 139, .16);
    letter-spacing: -0.03em;
  }

  .type-panel h3 {
    margin-bottom: .6rem;
    font-size: 1.1rem;
    color: var(--text-main);
    font-weight: 700;
  }

  .type-panel p {
    color: var(--text-secondary);
    font-size: .95rem;
    line-height: 1.75;
  }

  .type-tag {
    display: inline-flex;
    margin-top: 1rem;
    padding: .2rem .75rem;
    background: #F0F6F8;
    border: 1px solid #D9E7EC;
    border-radius: 999px;
    color: var(--primary-dark);
    font-size: .78rem;
    font-weight: 500;
  }

  .type-tag.accent-tag {
    background: rgba(255, 138, 61, .1);
    border-color: rgba(255, 138, 61, .24);
    color: var(--accent-dark);
  }

  /* ========== Scene list ========== */
  .scene-list {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
  }

  .scene-list li {
    position: relative;
    padding: .2rem 0 .2rem 2.2rem;
    color: var(--text-secondary);
  }

  .scene-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .32rem;
    width: 10px;
    height: 10px;
    border-radius: 3px;
    background: rgba(255, 138, 61, .9);
    box-shadow: 0 0 0 6px rgba(255, 138, 61, .15);
  }

  .scene-list strong {
    color: var(--text-main);
    font-weight: 600;
    margin-right: .35rem;
  }

  .scene-tip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    margin-top: 1.5rem;
    padding: .5rem .9rem;
    background: rgba(14, 124, 139, .07);
    border-radius: 12px;
    color: var(--primary-dark);
    font-size: .88rem;
  }

  /* ========== Step grid ========== */
  .step-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
  }

  @media (min-width: 768px) {
    .step-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .step-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  .step-block {
    height: 100%;
    padding: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    transition: transform .18s ease, box-shadow .18s ease;
  }

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

  .step-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 1.2rem;
    border-radius: 14px;
    background: rgba(14, 124, 139, .1);
    font-weight: 800;
    font-size: 1rem;
    color: var(--primary);
  }

  .step-block:nth-child(2) .step-index {
    background: rgba(255, 138, 61, .13);
    color: var(--accent-dark);
  }

  .step-block h3 {
    margin-bottom: .5rem;
    font-size: 1.04rem;
    color: var(--text-main);
    font-weight: 700;
  }

  .step-block p {
    color: var(--text-secondary);
    font-size: .93rem;
    line-height: 1.7;
  }

  /* ========== FAQ ========== */
  .faq-list {
    margin-top: 1rem;
  }

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

  .faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.2rem 1rem;
    list-style: none;
    cursor: pointer;
    color: var(--text-main);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 10px;
    transition: background .15s ease, color .15s ease;
  }

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

  .faq-item summary:hover {
    background: var(--surface-muted);
    color: var(--primary-dark);
  }

  .faq-item[open] summary {
    background: rgba(14, 124, 139, .08);
    color: var(--primary-dark);
  }

  .faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #F0F6F8;
    color: var(--primary);
    font-size: 1.25rem;
    line-height: 1;
    font-weight: 300;
    transition: transform .2s ease, background .2s ease;
  }

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

  .faq-answer {
    padding: .1rem 1rem 1.3rem;
    color: var(--text-secondary);
    font-size: .95rem;
    line-height: 1.8;
  }

  @media (min-width: 768px) {
    .faq-answer {
      padding-right: 3.2rem;
    }
  }

  .faq-answer p + p {
    margin-top: .7rem;
  }

  /* ========== CTA ========== */
  .cta-box {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: clamp(2rem, 6vw, 4.4rem);
    background: linear-gradient(130deg, rgba(14, 124, 139, .09), rgba(255, 255, 255, .92)), #fff;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    box-shadow: var(--shadow-card);
  }

  @media (min-width: 900px) {
    .cta-box {
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
    }
  }

  .cta-copy {
    max-width: 680px;
  }

  .cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .9rem;
  }

  /* ========== Footer ========== */
  .site-footer {
    background: #EFF5F7;
    border-top: 1px solid var(--border-color);
    padding-top: clamp(3.2rem, 6vw, 5.2rem);
  }

  .footer-main {
    display: grid;
    gap: 2rem;
    padding-bottom: 2.6rem;
    grid-template-columns: 1fr;
  }

  @media (min-width: 768px) {
    .footer-main {
      grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
    }
  }

  .footer-brand-logo {
    display: flex;
    align-items: center;
    gap: .55rem;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 1rem;
  }

  .footer-desc {
    max-width: 34ch;
    color: var(--text-secondary);
    font-size: .95rem;
    line-height: 1.8;
    margin-bottom: 1rem;
  }

  .footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: .7rem;
  }

  .footer-col a {
    display: block;
    padding: .28rem 0;
    color: var(--text-secondary);
    font-size: .92rem;
  }

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

  .footer-sub {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
    border-top: 1px solid rgba(20, 40, 55, .08);
    color: var(--muted-text);
    font-size: .85rem;
  }

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

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

/* roulang page: article */
:root {
  --primary: #0E7C8B;
  --primary-dark: #0A6375;
  --primary-soft: #EAF3F6;
  --accent: #FF8A3D;
  --accent-dark: #E06A1A;
  --accent-soft: #FFF4EA;
  --bg: #F5F8FA;
  --surface: #FFFFFF;
  --text: #142837;
  --secondary-text: #334A59;
  --muted-text: #6B8292;
  --border: #D9E4EB;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(20, 40, 55, .04);
  --shadow-md: 0 18px 44px rgba(20, 40, 55, .08);
  --shadow-hover: 0 24px 50px rgba(20, 40, 55, .12);
  --header-h: 80px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: inline-block;
  vertical-align: middle;
}
button {
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
}
ul, ol {
  list-style-position: inside;
}
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.main-content {
  min-height: 60vh;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(217, 228, 235, .8);
}
.header-wrap {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 68px;
  gap: 24px;
}
.nav-side {
  display: none;
  align-items: center;
  gap: 30px;
}
.nav-left {
  justify-content: flex-end;
}
.nav-right {
  justify-content: flex-start;
}
.nav-side a {
  position: relative;
  display: inline-block;
  padding: 12px 2px;
  font-weight: 500;
  font-size: 15px;
  color: var(--text);
  transition: color .16s ease;
}
.nav-side a:hover {
  color: var(--primary);
}
.nav-side a.active {
  color: var(--primary);
  font-weight: 700;
}
.nav-side a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(14, 124, 139, .12);
}
.nav-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  color: var(--text);
  background: rgba(20, 40, 55, .04);
  transition: background .16s ease, color .16s ease;
}
.nav-btn:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(18, 34, 45, .46);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  width: min(84vw, 340px);
  background: #fff;
  padding: 30px 26px 36px;
  transform: translateX(-100%);
  transition: transform .25s ease-out;
  overflow-y: auto;
  box-shadow: 18px 0 50px rgba(20, 40, 55, .15);
}
.mobile-drawer.open {
  transform: translateX(0);
}
.drawer-brand {
  font-weight: 800;
  font-size: 20px;
  color: var(--text);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}
.mobile-nav-link {
  display: block;
  padding: 13px 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid #EDF2F5;
  transition: color .16s ease, padding-left .16s ease;
}
.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--primary);
  padding-left: 10px;
}

@media (min-width: 1024px) {
  .header-wrap {
    height: var(--header-h);
    gap: 40px;
  }
  .nav-side {
    display: flex;
  }
  .nav-btn {
    display: none;
  }
}

/* Article Hero */
.article-hero {
  position: relative;
  overflow: hidden;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: .14;
}
.article-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(110deg, rgba(255,255,255,.96) 12%, rgba(255,255,255,.82) 50%, rgba(255,255,255,.55) 100%);
}
.article-hero-inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(40px, 7vw, 72px);
  padding-bottom: clamp(28px, 5vw, 52px);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-size: 13px;
  color: var(--muted-text);
  margin-bottom: 28px;
}
.breadcrumb a {
  transition: color .16s ease;
}
.breadcrumb a:hover {
  color: var(--primary);
}
.crumb-divider {
  color: #AFC3CF;
  pointer-events: none;
}
.crumb-current {
  color: var(--secondary-text);
  max-width: 420px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-cat-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 18px;
}
.article-title {
  font-size: clamp(1.75rem, 4vw, 2.9rem);
  line-height: 1.32;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  max-width: 960px;
}
.article-meta-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 26px;
  color: var(--muted-text);
  font-size: 14px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #B9CBD4;
}

/* Article Body */
.article-main-wrap {
  padding: clamp(40px, 7vw, 64px) 0;
}
.article-card {
  max-width: 920px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: clamp(28px, 5vw, 58px);
}
.article-content {
  max-width: 760px;
  margin: 0 auto;
  color: var(--secondary-text);
  font-size: 16px;
  line-height: 1.9;
  overflow-wrap: break-word;
}
.article-content p {
  margin: 0 0 1.55em;
}
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--text);
  line-height: 1.4;
  margin: 2.2em 0 .9em;
  font-weight: 700;
}
.article-content h2 {
  font-size: 1.55rem;
}
.article-content h3 {
  font-size: 1.3rem;
}
.article-content h4 {
  font-size: 1.1rem;
}
.article-content a {
  color: var(--primary-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(14, 124, 139, .35);
  transition: text-decoration-color .16s ease, color .16s ease;
}
.article-content a:hover {
  text-decoration-color: var(--primary-dark);
}
.article-content ul,
.article-content ol {
  margin: 0 0 1.5em;
  padding: 0;
  padding-left: 1.45em;
}
.article-content li {
  margin-bottom: .5em;
}
.article-content img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  margin: 2em auto;
  box-shadow: 0 14px 32px rgba(20, 40, 55, .08);
}
.article-content blockquote {
  border-left: 3px solid var(--primary);
  background: var(--primary-soft);
  border-radius: 0 14px 14px 0;
  padding: 18px 24px;
  margin: 1.8em 0;
  color: var(--text);
}
.article-content figure {
  margin: 2em 0;
}
.article-content figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--muted-text);
  margin-top: -1.4em;
  margin-bottom: 2em;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
  font-size: 14px;
}
.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 12px 14px;
  text-align: left;
}
.article-content th {
  background: var(--primary-soft);
  color: var(--text);
  font-weight: 600;
}
.article-empty {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 70px 24px;
}
.empty-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
}
.article-empty p {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 24px;
}

/* Channel Readmore */
.readmore-section {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: clamp(52px, 8vw, 84px) 0;
}
.section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.section-heading h2 {
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  line-height: 1.3;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -.01em;
}
.section-heading p {
  margin-top: 14px;
  color: var(--muted-text);
  font-size: 15px;
  line-height: 1.8;
}
.readmore-grid {
  display: grid;
  gap: 24px;
}
@media (min-width: 768px) {
  .readmore-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.read-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.read-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #C0D5DF;
}
.read-card-media {
  height: 195px;
  overflow: hidden;
  background: #E6EEF1;
}
.read-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.read-card:hover .read-card-media img {
  transform: scale(1.04);
}
.read-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 26px 28px 28px;
}
.read-card-label {
  display: inline-flex;
  align-self: flex-start;
  background: var(--primary-soft);
  color: var(--primary-dark);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 700;
}
.read-card-body h3 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text);
  margin: 14px 0 8px;
  line-height: 1.4;
}
.read-card-body p {
  color: var(--secondary-text);
  font-size: 14px;
  line-height: 1.75;
  flex: 1;
}
.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  margin-top: 20px;
  transition: color .16s ease, gap .16s ease;
}
.read-more-link svg {
  transition: transform .16s ease;
}
.read-card:hover .read-more-link {
  color: var(--primary-dark);
}
.read-card:hover .read-more-link svg {
  transform: translateX(4px);
}

/* CTA Band */
.cta-band {
  padding-bottom: clamp(48px, 8vw, 72px);
}
.cta-inner {
  display: flex;
  flex-direction: column;
  gap: 26px;
  border-radius: 24px;
  background: linear-gradient(135deg, #E9F3F6 0%, #FDF3EB 100%);
  border: 1px solid var(--border);
  padding: clamp(30px, 5vw, 52px);
}
.cta-inner h2 {
  font-size: clamp(1.45rem, 2.8vw, 2rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.35;
}
.cta-inner p {
  margin-top: 12px;
  color: var(--secondary-text);
  max-width: 600px;
  line-height: 1.7;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(14, 124, 139, .22);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(14, 124, 139, .18);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(255, 138, 61, .22);
}
.btn-outline {
  background: #fff;
  color: var(--primary);
  border-color: #BBD2DB;
}
.btn-outline:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
}
.btn-sm {
  padding: 9px 20px;
  font-size: 14px;
}
@media (min-width: 768px) {
  .cta-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .cta-buttons {
    flex-shrink: 0;
  }
}

/* Footer */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding-top: clamp(40px, 6vw, 64px);
}
.footer-main {
  display: grid;
  gap: 36px;
  padding-bottom: 48px;
}
@media (min-width: 768px) {
  .footer-main {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}
@media (min-width: 1024px) {
  .footer-main {
    grid-template-columns: 1.6fr .8fr .8fr 1.3fr;
  }
}
.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -.01em;
}
.footer-desc {
  margin-top: 22px;
  max-width: 360px;
  color: var(--secondary-text);
  font-size: 14px;
  line-height: 1.85;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: var(--secondary-text);
  transition: color .16s ease;
}
.footer-col a:hover {
  color: var(--primary);
}
.footer-sub {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  padding-bottom: 30px;
  border-top: 1px solid var(--border);
  color: var(--muted-text);
  font-size: 13px;
}
.footer-sub span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-sub .divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #BFD1DA;
}

/* Responsive */
@media (max-width: 767px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .article-card {
    border-radius: 16px;
    padding: 24px 20px;
  }
  .read-card-media {
    height: 180px;
  }
  .footer-main {
    grid-template-columns: 1fr;
  }
  .footer-sub {
    justify-content: center;
    text-align: center;
  }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
  .footer-main > div:first-child {
    grid-column: 1 / -1;
  }
}

/* roulang page: category2 */
:root {
            --primary: #0E7C8B;
            --primary-dark: #0A6375;
            --accent: #FF8A3D;
            --accent-dark: #E06D1F;
            --bg: #F5F8FA;
            --card: #FFFFFF;
            --text: #142837;
            --muted-text: #6B8292;
            --border: #D9E4EB;
            --light: #EAF3F6;
            --success: #1D9D6E;
            --error: #D64545;
            --radius: 18px;
            --shadow: 0 6px 24px rgba(20, 40, 55, 0.06);
            --shadow-hover: 0 12px 30px rgba(14, 124, 139, 0.12);
            --transition: all 0.25s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
            width: 100%;
        }
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(217, 228, 235, 0.8);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 8px rgba(20, 40, 55, 0.04);
        }
        .header-wrap {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            height: 76px;
            gap: 16px;
            position: relative;
            transition: all 0.3s ease;
        }
        .nav-side {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-left {
            justify-content: flex-end;
        }
        .nav-right {
            justify-content: flex-start;
        }
        .nav-side a {
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            opacity: 0.85;
            white-space: nowrap;
            transition: all 0.2s ease;
            position: relative;
        }
        .nav-side a:hover {
            color: var(--primary);
            background: var(--light);
            opacity: 1;
        }
        .nav-side a.active {
            color: var(--primary);
            font-weight: 600;
            opacity: 1;
            background: transparent;
        }
        .nav-side a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }
        .brand-logo:hover {
            opacity: 0.9;
        }
        .nav-center {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .logo-dot {
            width: 28px;
            height: 28px;
            border-radius: 10px;
            background: var(--primary);
            position: relative;
            display: inline-block;
            flex-shrink: 0;
            box-shadow: 0 4px 8px rgba(14, 124, 139, 0.18);
        }
        .logo-dot::after {
            content: '';
            position: absolute;
            inset: 6px;
            border-radius: 5px;
            background: var(--accent);
            opacity: 0.8;
        }
        .nav-btn {
            display: none;
            background: none;
            border: 1px solid var(--border);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            justify-content: center;
            align-items: center;
            color: var(--text);
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(20, 40, 55, 0.45);
            z-index: 199;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease;
        }
        .drawer-overlay.show {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: min(320px, 84vw);
            height: 100vh;
            background: #ffffff;
            z-index: 200;
            transform: translateX(-100%);
            transition: transform 0.3s ease-out;
            display: flex;
            flex-direction: column;
            padding: 28px 24px;
            gap: 4px;
            overflow-y: auto;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.08);
        }
        .mobile-drawer.show {
            transform: translateX(0);
        }
        .drawer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            padding: 10px 0 18px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 14px;
        }
        .mobile-nav-link {
            display: flex;
            align-items: center;
            font-size: 17px;
            font-weight: 500;
            color: var(--text);
            padding: 13px 12px;
            border-radius: 10px;
            transition: background 0.2s ease;
        }
        .mobile-nav-link:hover {
            background: var(--light);
            color: var(--primary);
        }
        .mobile-nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--light);
        }
        .page-hero {
            background-color: #ffffff;
            position: relative;
            border-bottom: 1px solid var(--border);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(160deg, rgba(234, 243, 246, 0.55) 0%, rgba(245, 248, 250, 0.1) 40%, rgba(246, 246, 247, 0.36) 100%);
            z-index: 1;
        }
        .page-hero-inner {
            padding: 68px 0 72px;
            position: relative;
            z-index: 2;
        }
        .page-tagline {
            color: var(--primary);
            background: var(--light);
            display: inline-block;
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .page-hero h1 {
            font-size: clamp(1.8rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .page-hero p {
            color: var(--muted-text);
            font-size: 16px;
            line-height: 1.8;
            max-width: 640px;
        }
        .section {
            padding: 76px 0;
        }
        .section-light {
            background: #ffffff;
        }
        .section-gray {
            background: var(--bg);
        }
        .section-alt {
            background-color: #EFF6F8;
            background-image: linear-gradient(135deg, rgba(14, 124, 139, 0.03) 25%, transparent 50%, rgba(255, 138, 61, 0.03) 75%);
        }
        .section-title {
            font-size: clamp(1.5rem, 2.8vw, 2.1rem);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.35;
            letter-spacing: -0.2px;
        }
        .section-sub {
            color: var(--muted-text);
            font-size: 15px;
            margin-bottom: 42px;
            max-width: 620px;
        }
        .card {
            background: white;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 32px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(14, 124, 139, 0.35);
        }
        .wrap-step {
            display: none;
        }
        .btn-primary {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 14px 28px;
            border-radius: 100px;
            font-size: 16px;
            font-weight: 500;
            border: none;
            transition: all 0.25s ease;
            text-align: center;
            box-shadow: 0 4px 10px rgba(14, 124, 139, 0.1);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(14, 124, 139, 0.18);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(14, 124, 139, 0.45);
            outline-offset: 3px;
        }
        .btn-accent {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 14px 28px;
            border-radius: 100px;
            font-size: 16px;
            font-weight: 500;
            border: none;
            transition: all 0.25s ease;
            box-shadow: 0 4px 12px rgba(255, 138, 61, 0.18);
        }
        .btn-accent:hover {
            background: #E4741F;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 138, 61, 0.16);
        }
        .btn-outline {
            display: inline-block;
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 14px 28px;
            border-radius: 100px;
            font-size: 16px;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .btn-outline:hover {
            background: var(--light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }
        .faq-item {
            background: white;
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            transition: background 0.2s ease;
        }
        .faq-q:hover {
            background: #F7FAFC;
        }
        .faq-q i {
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-a {
            max-height: 0;
            padding: 0 24px;
            overflow: hidden;
            transition: all 0.3s ease;
            color: var(--muted-text);
            border-top: 0px solid transparent;
        }
        .faq-item.open .faq-a {
            padding: 0 24px 20px;
            max-height: 300px;
            border-top-width: 1px;
            border-color: var(--light);
        }
        .cta-box {
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .site-footer {
            background: #ffffff;
            border-top: 1px solid var(--border);
            margin-top: 0;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-top: 60px;
            padding-bottom: 44px;
        }
        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }
        .footer-desc {
            color: var(--muted-text);
            font-size: 14px;
            max-width: 300px;
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            color: var(--text);
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            color: var(--muted-text);
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .badge-sm {
            display: inline-block;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 100px;
            font-weight: 500;
            background: var(--light);
            color: var(--primary);
        }
        .footer-sub {
            border-top: 1px solid var(--border);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            color: var(--muted-text);
            font-size: 13px;
        }
        .btn-like {
            display: inline-block;
            padding: 12px 24px;
            background: white;
            border: 1px solid var(--border);
            border-radius: 100px;
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .btn-like:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--light);
        }
        @media (max-width: 1024px) {
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .nav-btn {
                display: inline-flex;
            }
            .header-wrap {
                grid-template-columns: 1fr auto 1fr;
                height: 64px;
            }
            .desktop-only {
                display: none !important;
            }
            .brand-logo {
                font-size: 18px;
            }
            .section {
                padding: 52px 0;
            }
            .page-hero-inner {
                padding: 48px 0;
            }
            .logo-dot {
                width: 24px;
                height: 24px;
                border-radius: 8px;
            }
        }
        @media (max-width: 640px) {
            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-top: 44px;
            }
            .footer-col {
                margin-bottom: 4px;
            }
            .footer-col:not(:first-child) {
                border-top: 1px solid var(--border);
                padding-top: 20px;
            }
            .page-hero-inner {
                padding: 36px 0 44px;
            }
            .section {
                padding: 44px 0;
            }
        }
        @media (min-width: 768px) {
            .nav-center {
                order: 2;
            }
            .nav-left {
                order: 1;
            }
            .nav-right {
                order: 3;
            }
        }

/* roulang page: category3 */
:root {
    --primary: #0E7C8B;
    --primary-dark: #0A6375;
    --accent: #FF8A3D;
    --accent-dark: #E96F1D;
    --bg-body: #F5F8FA;
    --bg-tint: #EAF3F6;
    --bg-deep: #DEEEF2;
    --text-main: #142837;
    --text-sub: #334A59;
    --text-muted: #6B8292;
    --border: #D9E4EB;
    --radius: 18px;
    --radius-lg: 24px;
    --shadow-sm: 0 8px 24px rgba(20, 40, 55, .06);
    --shadow-md: 0 16px 36px rgba(20, 40, 55, .09);
    --shadow-lg: 0 20px 50px rgba(20, 40, 55, .12);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

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

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

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

  .container {
    width: min(1280px, 100% - 2rem);
    margin-inline: auto;
  }

  .section {
    padding-block: clamp(3.5rem, 8vw, 6rem);
  }

  .section-soft {
    background: #F0F6F9;
  }

  .section-white {
    background: #fff;
  }

  .sec-head {
    max-width: 820px;
    margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
  }

  .sec-head.center {
    margin-inline: auto;
    text-align: center;
  }

  .sec-head h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -.01em;
    color: var(--text-main);
    margin-top: .65rem;
    margin-bottom: .85rem;
  }

  .sec-head p {
    color: var(--text-muted);
    font-size: 1rem;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--bg-tint);
    color: var(--primary);
    font-size: .78rem;
    font-weight: 600;
    padding: .35rem .9rem;
    border-radius: 999px;
    letter-spacing: .02em;
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .8rem 1.75rem;
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.4;
    border-radius: 999px;
    transition: all .18s ease;
    white-space: nowrap;
    border: 1px solid transparent;
  }

  .btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 10px 22px rgba(14, 124, 139, .18);
  }

  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(10, 99, 117, .22);
  }

  .btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 10px 22px rgba(255, 138, 61, .24);
  }

  .btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(233, 111, 29, .28);
  }

  .btn-outline {
    background: #fff;
    color: var(--primary);
    border-color: rgba(14, 124, 139, .45);
  }

  .btn-outline:hover {
    background: var(--bg-tint);
    border-color: var(--primary);
    transform: translateY(-2px);
  }

  .btn:focus-visible,
  a:focus-visible {
    outline: 3px solid rgba(14, 124, 139, .35);
    outline-offset: 3px;
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(217, 228, 235, .9);
  }

  .header-wrap {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    min-height: 76px;
    gap: .75rem;
  }

  .nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-main);
    transition: background .2s;
  }

  .nav-btn:hover {
    background: var(--bg-tint);
    color: var(--primary);
  }

  .nav-side {
    display: flex;
    align-items: center;
    gap: .15rem;
  }

  .nav-left {
    justify-self: end;
  }

  .nav-right {
    justify-self: start;
  }

  .nav-side a {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    padding: .5rem 1.1rem;
    border-radius: 999px;
    font-size: .95rem;
    font-weight: 500;
    color: var(--text-sub);
    transition: all .2s ease;
  }

  .nav-side a:hover {
    color: var(--primary);
    background: var(--bg-tint);
  }

  .nav-side a.active {
    color: var(--primary);
    font-weight: 600;
    background: var(--bg-tint);
  }

  .nav-side a.active::after {
    content: "";
    position: absolute;
    left: 1.1rem;
    right: 1.1rem;
    bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
  }

  .nav-center {
    text-align: center;
  }

  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-main);
    padding: .35rem .3rem;
    border-radius: 12px;
    transition: opacity .2s;
  }

  .brand-logo:hover {
    opacity: .8;
  }

  .logo-dot {
    width: 11px;
    height: 11px;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: 0 2px 8px rgba(14, 124, 139, .28);
    display: inline-block;
  }

  /* Mobile Drawer */
  .drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 70;
    background: rgba(20, 40, 55, .45);
    opacity: 0;
    visibility: hidden;
    transition: all .25s ease;
  }

  .drawer-overlay.open {
    opacity: 1;
    visibility: visible;
  }

  .mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 75;
    width: min(85vw, 340px);
    background: #fff;
    padding: 1.4rem;
    transform: translateX(-105%);
    transition: transform .26s ease;
    box-shadow: 0 0 36px rgba(20, 40, 55, .15);
    border-radius: 0 22px 22px 0;
    overflow-y: auto;
  }

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

  .drawer-brand {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
  }

  .mobile-nav-link {
    display: block;
    padding: .85rem 1rem;
    border-radius: 14px;
    color: var(--text-main);
    font-size: 1.06rem;
    font-weight: 500;
    transition: all .15s;
    border-bottom: 1px solid rgba(217, 228, 235, .5);
  }

  .mobile-nav-link:hover {
    background: var(--bg-tint);
    color: var(--primary);
  }

  .mobile-nav-link.active {
    color: var(--primary);
    background: var(--bg-tint);
    font-weight: 600;
  }

  /* Hero */
  .cat-hero {
    position: relative;
    background-color: #EDF4F7;
    background-size: cover;
    background-position: center 30%;
    display: flex;
    align-items: center;
    min-height: 430px;
    padding-block: 5rem;
  }

  .cat-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(245, 248, 250, .98) 0%, rgba(245, 248, 250, .92) 42%, rgba(245, 248, 250, .35) 100%);
  }

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

  .mini-path {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .4rem;
    background-color: rgba(255, 255, 255, .8);
    border: 1px solid var(--border);
    backdrop-filter: blur(4px);
    border-radius: 999px;
    padding: .45rem 1rem;
    font-size: .85rem;
    color: var(--text-muted);
    margin-bottom: 1.6rem;
  }

  .mini-path a {
    color: var(--primary);
    font-weight: 500;
  }

  .cat-hero h1 {
    font-size: clamp(1.9rem, 4.2vw, 3.2rem);
    font-weight: 700;
    line-height: 1.22;
    max-width: 720px;
    letter-spacing: -.015em;
    margin-bottom: 1.2rem;
    color: var(--text-main);
  }

  .cat-hero-text {
    max-width: 680px;
    font-size: 1.05rem;
    color: var(--text-sub);
    margin-bottom: 1.8rem;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem;
    margin-bottom: 2rem;
  }

  .chip {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .35rem .85rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: .82rem;
    color: var(--text-muted);
  }

  .chip-accent {
    background: rgba(255, 138, 61, .12);
    border-color: rgba(255, 138, 61, .25);
    color: var(--accent-dark);
  }

  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
  }

  /* About link section */
  .content-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(1.6rem, 4vw, 3rem);
    align-items: center;
  }

  .feature-media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-deep);
    box-shadow: var(--shadow-sm);
  }

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

  .feature-text h3 {
    font-size: clamp(1.25rem, 2vw, 1.6rem);
    line-height: 1.4;
    margin-bottom: 1rem;
  }

  .feature-text p {
    color: var(--text-sub);
    margin-bottom: 1rem;
  }

  .feature-text ul {
    list-style: none;
  }

  .feature-text li {
    display: flex;
    gap: .65rem;
    align-items: flex-start;
    padding: .35rem 0;
    color: var(--text-sub);
  }

  .feather-list-svg {
    color: var(--primary);
    flex: 0 0 auto;
    margin-top: .2rem;
  }

  .quote-line {
    border-left: 3px solid var(--primary);
    background: var(--bg-tint);
    border-radius: 0 14px 14px 0;
    padding: 1rem 1.25rem;
    font-size: .95rem;
    color: var(--text-sub);
    line-height: 1.8;
  }

  /* Scene layout */
  .split-layout {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: center;
  }

  .scene-list {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    margin-top: .5rem;
  }

  .scene-item {
    display: flex;
    gap: .9rem;
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius);
    padding: 1.15rem 1.35rem;
    transition: all .18s ease;
  }

  .scene-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(14, 124, 139, .3);
  }

  .scene-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    border-radius: 14px;
    background: var(--bg-tint);
    color: var(--primary);
  }

  .scene-item strong {
    display: block;
    font-size: 1rem;
    color: var(--text-main);
    line-height: 1.4;
  }

  .scene-item span {
    font-size: .92rem;
    color: var(--text-muted);
    line-height: 1.65;
  }

  .scene-media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-md);
    transform: rotate(1deg);
  }

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

  /* Steps */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
    counter-reset: stepcount;
    position: relative;
  }

  .step-item {
    position: relative;
    background: #F8FBFD;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem 1.4rem 1.5rem;
    min-height: 200px;
    transition: all .2s ease;
  }

  .step-item:hover {
    background: #EAF5F6;
    border-color: var(--primary);
    transform: translateY(-3px);
  }

  .step-num {
    font-size: clamp(2.4rem, 4vw, 3.4rem);
    font-weight: 800;
    line-height: 1;
    color: rgba(14, 124, 139, .15);
    letter-spacing: -.03em;
  }

  .step-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 1.1rem 0 .45rem;
  }

  .step-item p {
    color: var(--text-muted);
    font-size: .94rem;
    line-height: 1.65;
  }

  .step-arrow {
    position: absolute;
    right: -17px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
  }

  .steps-grid .step-item:last-child .step-arrow {
    display: none;
  }

  /* Notice */
  .notice-band {
    background: #EAF3F6;
    border-radius: 28px;
    padding: clamp(2rem, 5vw, 3.5rem);
    position: relative;
    overflow: hidden;
  }

  .notice-band::after {
    content: "";
    position: absolute;
    right: -70px;
    top: -70px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 138, 61, .1);
  }

  .notice-title {
    font-size: clamp(1.3rem, 2.4vw, 1.8rem);
    font-weight: 700;
    margin-bottom: .75rem;
  }

  .notice-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem 2.2rem;
    margin-top: 1.6rem;
  }

  .notice-item {
    display: flex;
    gap: .75rem;
    align-items: flex-start;
    padding: .9rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    font-size: .95rem;
    color: var(--text-sub);
  }

  .notice-item svg {
    color: var(--primary);
    flex: 0 0 auto;
    margin-top: .25rem;
  }

  /* FAQ */
  .faq-wrap {
    max-width: 860px;
    margin-inline: auto;
  }

  .faq-item {
    border-bottom: 1px solid var(--border);
    transition: background .2s;
  }

  .faq-item.open {
    background: #F0F6F8;
    border-radius: 16px;
    margin-bottom: .15rem;
    border-bottom-color: transparent;
  }

  .faq-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.3rem 1.2rem;
    cursor: pointer;
    user-select: none;
  }

  .faq-row h3 {
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
  }

  .faq-icon {
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-tint);
    color: var(--primary);
    transition: transform .2s ease, background .2s ease;
  }

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

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

  .faq-item.open .faq-answer {
    max-height: 500px;
  }

  .faq-answer p {
    padding: 0 1.2rem 1.4rem;
    color: var(--text-sub);
    font-size: .96rem;
    max-width: 760px;
  }

  /* CTA */
  .cta-panel {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: clamp(2.2rem, 5vw, 4rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2.5rem;
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
  }

  .cta-panel::before {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    right: -60px;
    bottom: -60px;
    background: rgba(14, 124, 139, .08);
    border-radius: 50%;
  }

  .cta-panel.text {
    flex: 1;
    min-width: 280px;
  }

  .cta-panel h2 {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    margin-bottom: .6rem;
    line-height: 1.35;
  }

  .cta-panel p {
    color: var(--text-muted);
    max-width: 580px;
  }

  .cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem;
    position: relative;
    z-index: 2;
  }

  /* Footer */
  .site-footer {
    background: #fff;
    border-top: 1px solid var(--border);
    padding-top: 4rem;
  }

  .footer-main {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 2.8rem 2rem;
    padding-bottom: 3rem;
  }

  .footer-brand-logo {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
  }

  .footer-desc {
    color: var(--text-muted);
    font-size: .95rem;
    line-height: 1.8;
    max-width: 340px;
    margin-bottom: 1.2rem;
  }

  .badge-sm {
    display: inline-block;
    padding: .32rem .8rem;
    border-radius: 999px;
    font-size: .82rem;
    font-weight: 600;
    color: var(--primary);
  }

  .footer-col h4 {
    font-size: 1rem;
    margin-bottom: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
  }

  .footer-col a,
  .footer-col p {
    display: block;
    font-size: .95rem;
    color: var(--text-muted);
    line-height: 1.9;
    transition: color .15s;
    padding-top: .1rem;
  }

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

  .footer-col p {
    line-height: 1.8;
  }

  .footer-sub {
    border-top: 1px solid var(--border);
    padding: 1.4rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .8rem;
    flex-wrap: wrap;
    font-size: .9rem;
    color: var(--text-muted);
  }

  /* Responsive */
  .nav-btn {
    display: none;
  }

  @media (max-width: 1080px) {
    .desktop-only {
      display: none !important;
    }
    .nav-btn {
      display: inline-flex !important;
    }
    .header-wrap {
      grid-template-columns: 1fr auto 1fr;
    }
  }

  @media (max-width: 992px) {
    .content-grid-2 {
      grid-template-columns: 1fr;
      align-items: start;
    }
    .feature-media img {
      min-height: 220px;
    }
    .split-layout {
      grid-template-columns: 1fr;
    }
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .step-arrow {
      display: none;
    }
  }

  @media (max-width: 768px) {
    .cat-hero {
      min-height: auto;
      padding-block: 4.2rem;
    }
    .notice-grid,
    .footer-main {
      grid-template-columns: repeat(2, 1fr);
    }
    .cta-panel {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  @media (max-width: 560px) {
    .container {
      width: calc(100% - 1.4rem);
    }
    .brand-logo span:last-child {
      font-size: .98rem;
    }
    .mini-path {
      font-size: .78rem;
    }
    .cat-hero h1 {
      font-size: 1.75rem;
    }
    .cat-hero-text {
      font-size: .98rem;
    }
    .hero-actions .btn {
      width: 100%;
    }
    .steps-grid {
      grid-template-columns: 1fr;
    }
    .step-item {
      min-height: 0;
    }
    .notice-grid,
    .footer-main {
      grid-template-columns: 1fr;
      gap: 2rem;
    }
    .footer-sub {
      flex-direction: column;
      text-align: center;
    }
    .cat-hero h1 {
      line-height: 1.35;
    }
    .mini-path {
      padding: .35rem .8rem;
    }
  }

  @media (min-width: 560px) and (max-width: 720px) {
    .brand-logo span:last-child {
      font-size: .92rem;
    }
    .logo-dot {
      width: 9px;
      height: 9px;
    }
  }