/* roulang page: index */
/* ===== CSS DESIGN TOKENS ===== */
:root {
  --color-ink: #1f2428;
  --color-ink-soft: #5b646b;
  --color-paper: #f4f1eb;
  --color-surface: #ffffff;
  --color-line: #e2ded5;
  --color-accent: #b83b2d;
  --color-accent-dark: #8e2b21;
  --color-accent-soft: #f2e1db;
  --color-night: #171a1f;
  --color-night-soft: #2b2f34;
  --color-muted: #eceae4;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.03);
  --shadow-md: 0 10px 30px rgba(0,0,0,.06);
  --shadow-lg: 0 18px 44px rgba(0,0,0,.07);
  --font-sans: "Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --spacer-block: clamp(64px, 8vw, 112px);
  --transition: all .25s ease;
}

/* ===== RESET / BASE ===== */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--color-paper);
  color: var(--color-ink);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
a { color: var(--color-accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-accent-dark); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
ul, ol { list-style: none; }

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

/* ===== CONTAINER / GRID ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-fluid { padding: 0 28px; }

/* ===== SPLIT NAV / HEADER ===== */
.site-header {
  position: relative;
  z-index: 50;
  background: transparent;
  line-height: 1;
}
.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 24px;
  padding-top: 8px;
}
.logo-area { display: flex; align-items: center; flex-shrink: 0; min-width: 0; }
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-right: 10px;
  border: 1.6px solid var(--color-ink);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}
.logo-mark::after {
  content: ""; 
  position: absolute;
  right: -2px;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-paper);
}
.logo-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  line-height: 1.1;
}
.logo-text .logo-dot { color: var(--color-accent); margin: 0 1px; }
.main-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.main-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  margin: 0 2px;
  border-radius: 999px;
  color: var(--color-ink-soft);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  white-space: nowrap;
  transition: var(--transition);
}
.main-nav a:hover { background: var(--color-muted); color: var(--color-ink); }
.main-nav a.is-active { color: var(--color-ink); font-weight: 600; background: rgba(184,59,45,.06); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  border: none;
  line-height: 1;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-solid { background: var(--color-accent); color: #fff; }
.btn-solid:hover { background: var(--color-accent-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 22px rgba(184,59,45,.22); }
.btn-solid:active { background: #6d1f18; transform: translateY(0); }
.btn-line { background: transparent; color: var(--color-ink); border: 1px solid #d4d0c7; }
.btn-line:hover { border-color: var(--color-ink); color: var(--color-ink); background: rgba(255,255,255,.4); }
.btn-line:active { background: var(--color-muted); }
.btn-light { background: #fff; color: var(--color-accent); }
.btn-light:hover { background: var(--color-paper); color: var(--color-accent-dark); }
.btn-lg { min-height: 52px; padding: 0 30px; font-size: 16px; }

/* menu toggle for mobile */
.menu-toggle { display: none; background: none; border: 0; padding: 10px 6px; font-size: 24px; color: var(--color-ink); line-height: 1; }
.menu-toggle:focus-visible { outline: 2px solid var(--color-accent); }

/* ===== SPLIT HERO ===== */
.hero-section {
  position: relative;
  padding: 36px 0 40px;
  background: var(--color-paper);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-copy {
  position: relative;
  z-index: 3;
  padding: 32px 0;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 10px;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
}
.hero-kicker .kicker-sign {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.hero-copy h1 {
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 800;
  line-height: 1.17;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
  max-width: 620px;
  color: var(--color-ink);
}
.hero-copy h1 .brand-inline { color: var(--color-accent); }
.hero-subtitle {
  font-size: 18px;
  color: var(--color-ink-soft);
  line-height: 1.75;
  margin-bottom: 30px;
  max-width: 560px;
}
.hero-cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 36px; }
.ico-anchor {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  height: 44px;
  padding: 0 10px;
}
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.metric-badge {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 10px;
  padding: 12px 16px;
  box-shadow: var(--shadow-sm);
  min-width: 130px;
}
.metric-badge .metric-value { font-size: 22px; font-weight: 800; color: var(--color-ink); line-height: 1.15; }
.metric-badge .metric-value i { color: var(--color-accent); font-style: normal; }
.metric-badge .metric-label { font-size: 12px; color: var(--color-ink-soft); margin-top: 4px; }
.hero-visual {
  position: relative;
  min-height: 520px;
  border-radius: 18px;
  overflow: hidden;
  background-color: #26333a;
}
.hero-visual .backdrop-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .7;
}
.hero-visual .visual-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 30px;
  background: linear-gradient(180deg, rgba(23,26,29,0) 0%, rgba(23,26,29,.12) 20%, rgba(23,26,29,.88) 100%);
  z-index: 1;
  color: #fff;
}
.hero-visual .visual-overlay .overlay-tag { color: #e7c5bd; font-size: 13px; letter-spacing: 0.06em; margin-bottom: 6px; font-weight: 700; }
.hero-visual .visual-overlay h3 { font-size: 24px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.hero-visual .visual-overlay p { font-size: 14px; color: rgba(255,255,255,.76); line-height: 1.55; }
.visual-mini-card {
  position: absolute;
  background: rgba(255,255,255,.94);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 12px 16px;
  top: 40px;
  left: 24px;
  z-index: 2;
}
.visual-mini-card .mini-title { font-size: 12px; font-weight: 700; display: flex; align-items: center; gap: 6px; color: var(--color-ink); }
.visual-mini-card .mini-title i { color: var(--color-accent); }
.visual-mini-card .mini-sub { font-size: 11px; color: var(--color-ink-soft); margin-top: 2px; }

/* ===== SECTION / COMMON ===== */
.section { padding: var(--spacer-block) 0; }
.section-tight { padding: 32px 0; }
.section-header { max-width: 720px; margin-bottom: 44px; }
.section-header .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: .14em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-header h2 { font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; line-height: 1.25; letter-spacing: -.01em; margin-bottom: 16px; color: var(--color-ink); }
.section-header p { font-size: 17px; line-height: 1.8; color: var(--color-ink-soft); }
.center-title { text-align: center; margin-left: auto; margin-right: auto; }

/* ===== HOWTO TIMELINE ===== */
.howto { background: var(--color-paper); }
.timeline { position: relative; max-width: 1060px; margin: 0 auto; padding: 6px 0 0; }
.timeline::before { content: ""; position: absolute; width: 2px; background: linear-gradient(180deg, var(--color-accent), #cba58c); top: 10px; bottom: 10px; left: calc(38px + 26px); }
.timeline-item { position: relative; padding: 0 0 58px 118px; counter-increment: step; }
.timeline-item:last-of-type { padding-bottom: 8px; }
.step-rail { position: absolute; left: 17px; top: 0; width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; }
.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  box-shadow: 0 0 0 6px var(--color-paper);
  font-size: 15px;
  font-weight: 800;
  color: var(--color-accent);
  position: relative;
  z-index: 2;
}
.step-num-main { font-size: 24px; }
.timeline-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 30px 32px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: center;
}
.timeline-card:hover { box-shadow: var(--shadow-lg); border-color: #cfc0b6; transform: translateY(-2px); }
.step-content h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; color: var(--color-ink); }
.step-content p { color: var(--color-ink-soft); font-size: 15px; line-height: 1.75; max-width: 520px; }
.step-guide { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; border-left: 1px dashed var(--color-line); padding-left: 24px; }
.step-guide .guide-item { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.guide-item i { width: 20px; text-align: center; color: var(--color-accent); }
.flow-action { text-align: center; margin-top: 24px; }

/* ===== PROOF / CASE ===== */
.proof { background: var(--color-surface); border-top: 1px solid var(--color-line); }
.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
}
.proof-card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.proof-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #cfbfb4; }
.proof-card .proof-image { height: 205px; background: #26333a; position: relative; overflow: hidden; }
.proof-card .proof-image img { width: 100%; height: 100%; object-fit: cover; }
.proof-card .proof-body { padding: 26px 26px 24px; flex: 1 1 auto; }
.proof-body .proof-set { font-size: 12px; font-weight: 700; color: var(--color-accent); letter-spacing: .08em; margin-bottom: 12px; }
.proof-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; color: var(--color-ink); line-height: 1.4; }
.proof-body p { font-size: 14px; color: var(--color-ink-soft); margin-bottom: 16px; }
.proof-result { border-top: 1px solid var(--color-line); padding-top: 14px; margin-top: auto; }
.proof-result .metric-highlight { font-size: 26px; font-weight: 800; color: var(--color-accent); line-height: 1; }
.proof-result .metric-highlight small { font-size: 13px; font-weight: 500; color: var(--color-ink-soft); margin-left: 8px; }
.proof-result .result-label { font-size: 13px; color: var(--color-ink-soft); margin-top: 4px; }

/* ===== NEWS / CMS ===== */
.news-block { background: var(--color-muted); padding: var(--spacer-block) 0; }
.news-inner { display: flex; flex-wrap: wrap; gap: 40px; }
.news-main { flex: 1 1 56%; }
.news-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 24px; gap: 20px; }
.news-head h2 { font-size: 30px; font-weight: 800; letter-spacing:-.01em;}
.news-filter { display: flex; gap: 8px; flex-wrap: wrap; }
.news-sidenote { flex: 0 1 320px; }
.news-stream {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.news-stream .news-item { display: flex; align-items: center; gap: 16px; padding: 20px 24px; border-bottom: 1px solid var(--color-line); transition: var(--transition); }
.news-stream .news-item:last-child { border-bottom: 0; }
.news-stream .news-item:hover { background: var(--color-paper); }
.news-index { flex-shrink: 0; font-size: 18px; font-weight: 800; color: var(--color-line); width: 30px; }
.news-meta { flex-shrink: 0; }
.news-cat {
  display: inline-block;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.news-body { flex: 1 1 auto; min-width: 0; }
.news-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.news-body h3 a { color: var(--color-ink); }
.news-body h3 a:hover { color: var(--color-accent); }
.news-excerpt { font-size: 13px; color: var(--color-ink-soft); line-height: 1.6; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-date { flex-shrink: 0; font-size: 13px; color: var(--color-ink-soft); display: flex; align-items: center; gap: 6px; }
.news-item { border-left: 3px solid transparent; }
.news-item:hover { border-left-color: var(--color-accent); }
.empty-list {
  background: var(--color-surface);
  border: 1px dashed #d5cec2;
  border-radius: var(--radius-lg);
  padding: 42px;
  text-align: center;
  color: var(--color-ink-soft);
  box-shadow: var(--shadow-sm);
}
.empty-list i { font-size: 32px; color: #c5bdae; margin-bottom: 10px; display:inline-block;}
.news-sidenote .side-card {
  background: linear-gradient(135deg, #23282d, #36383b);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 16px;
}
.side-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 14px; color: #fff; }
.side-card ul li {
  border-bottom: 1px solid rgba(255,255,255,.12);
  padding: 10px 0;
  font-size: 14px;
  color: rgba(255,255,255,.85);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.side-card ul li:last-child { border-bottom: 0; }
.side-card li i { color: #d48979; margin-top: 3px; }

/* ===== FAQ ===== */
.faq { background: var(--color-surface); }
.faq-2col { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: start; }
.faq-left-content h2 { margin-bottom: 16px; }
.faq-guide { margin-top: 32px; padding: 24px; background: var(--color-paper); border-left: 4px solid var(--color-accent); border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.faq-guide h3 { font-weight: 700; font-size: 16px; margin-bottom: 6px; }
.faq-guide p { color: var(--color-ink-soft); font-size: 14px; margin-bottom: 8px; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: var(--color-paper); border: 1px solid var(--color-line); border-radius: var(--radius-md); overflow: hidden; }
.faq-item[open] { border-color: #ccc0b2; box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none;
  padding: 18px 54px 18px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  color: var(--color-ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--color-accent); font-size: 13px; transition: var(--transition); }
.faq-item[open] summary::after { transform: translateY(-50%) rotate(180deg); }
.faq-answer { padding: 0 20px 20px 20px; color: var(--color-ink-soft); font-size: 14px; line-height: 1.8; }

/* ===== CTA FORM ===== */
.cta-panel { background: var(--color-night); position: relative; }
.cta-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .18; }
.cta-panel-inner { position: relative; z-index: 2; padding: var(--spacer-block) 0; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.cta-copy h2 { color: #fff; font-size: clamp(28px, 3vw, 40px); font-weight: 800; line-height: 1.25; }
.cta-copy .cta-mark { color: #d7691d; }
.cta-copy p { color: rgba(255,255,255,.68); font-size: 16px; margin-top: 16px; max-width: 440px; }
.cta-copy ul { margin-top: 30px; }
.cta-copy ul li { display: flex; align-items: flex-start; gap: 12px; color: rgba(255,255,255,.8); font-size: 14px; margin-bottom: 18px; }
.cta-copy ul li i { color: var(--color-accent); font-size: 16px; margin-top: 4px; }
.cta-form-wrap { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2); backdrop-filter: blur(8px); border-radius: var(--radius-lg); padding: 34px; }
.cta-form-wrap h3 { color: #fff; font-weight: 800; font-size: 22px; margin-bottom: 6px; }
.cta-form-wrap > p { color: rgba(255,255,255,.55); font-size: 14px; margin-bottom: 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 13px; font-weight: 600; color: rgba(255,255,255,.86); }
.form-group input, .form-group select, .form-group textarea {
  background: rgba(255,255,255,.96);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  height: 46px;
  padding: 0 14px;
  color: var(--color-ink);
  font-size: 14px;
  transition: var(--transition);
}
.form-group textarea { height: 100px; padding: 14px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 4px rgba(184,59,45,.16); }
.form-group select option { color: var(--color-ink); }
.form-full { grid-column: 1 / -1; }
.form-privacy { font-size: 12px; color: rgba(255,255,255,.46); margin-top: 12px; line-height: 1.6; }
.form-feedback { margin-top: 14px; font-size: 14px; min-height: 22px; }
.form-feedback.is-ok { color: #8fdc9f; }
.form-feedback.is-error { color: #e58f87; }

/* ===== FOOTER ===== */
.site-footer { background: #101215; color: rgba(255,255,255,.6); padding: 60px 0 28px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1.2fr 1.2fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 13px; margin-top: 16px; line-height: 1.8; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.footer-links li { margin-bottom: 11px; }
.footer-links li a { color: rgba(255,255,255,.6); font-size: 14px; }
.footer-links li a:hover { color: #fff; }
.footer-links li a i { margin-right: 6px; font-size: 12px; color: var(--color-accent); }
.footer-bottom { padding-top: 24px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,.4); }
.footer-icon { border: 1px solid rgba(255,255,255,.3); border-radius: 50%; padding: 6px; width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; margin-right: 10px; }

/* ===== MEDIA QUERIES ===== */
@media screen and (max-width: 1024px) {
  .main-nav { display: none; }
  .menu-toggle { display: inline-flex; align-items: center; }
  .hero-grid { grid-template-columns: 1fr; gap: 12px; }
  .hero-visual { order: 2; min-height: 380px; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .faq-2col { grid-template-columns: 1fr; gap: 32px; }
  .cta-panel-inner { grid-template-columns: 1fr; gap: 36px; }
  .timeline::before { left: 23px; }
  .timeline-item { padding-left: 82px; }
  .timeline-card { grid-template-columns: 1fr; }
  .step-guide { border-left: 0; padding-left: 0; border-top: 1px dashed var(--color-line); padding-top: 18px; }
  .news-main { flex: 0 1 100%; }
  .news-sidenote { flex: 0 1 100%; }
}
@media screen and (max-width: 768px) {
  .header-actions .btn-solid { padding: 0 14px; font-size: 13px; }
  .site-header .header-inner { flex-wrap: wrap; }
  .hero-copy { padding-top: 26px; }
  .proof-grid { grid-template-columns: 1fr; }
  .timeline-item { padding-left: 62px; padding-bottom: 36px; }
  .timeline::before { left: 16px; }
  .step-rail { left: 4px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-panel-inner { padding: 48px 0; }
  .news-stream .news-item { flex-wrap: wrap; padding: 18px; }
  .news-date { margin-left: auto; }
  .header-search-btn { display: none; }
}
@media screen and (max-width: 520px) {
  .container { padding: 0 20px; }
  .hero-copy h1 { font-size: 30px; }
  .hero-visual { min-height: 280px; }
  .visual-mini-card { top: 18px; left: 14px; }
  .hero-metrics { gap: 8px; }
  .metric-badge { min-width: calc(50% - 12px); padding: 10px 12px; }
  .timeline-item { padding-left: 48px; }
  .timeline-card { padding: 20px; }
  .section-header { margin-bottom: 28px; }
  .header-actions .btn-solid { padding: 0 13px; }
  .logo-text { font-size: 19px; }
}

/* roulang page: category1 */
:root {
      --color-ink: #1f2328;
      --color-ink-soft: #59626e;
      --color-paper: #f7f4ee;
      --color-surface: #ffffff;
      --color-line: #ddd5c9;
      --color-accent: #b23a25;
      --color-accent-dark: #8f2b1b;
      --color-night: #141920;
      --color-muted: #ede7de;
      --radius: 14px;
      --shadow: 0 14px 34px rgba(32, 30, 25, 0.07);
      --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.8;
      color: var(--color-ink);
      background-color: var(--color-paper);
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, border-color .2s ease;
    }

    button,
    input,
    select,
    textarea {
      font-family: var(--font-sans);
      font-size: 1rem;
    }

    button {
      cursor: pointer;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 3px;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    h1,
    h2,
    h3,
    h4 {
      line-height: 1.3;
      margin: 0 0 14px;
      font-weight: 700;
      color: var(--color-ink);
    }

    p {
      margin: 0 0 16px;
    }

    .section {
      padding: 92px 0;
    }

    .section-muted {
      background: var(--color-muted);
    }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 600;
      color: var(--color-accent);
      letter-spacing: .12em;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    .section-label::before {
      content: '';
      display: inline-block;
      width: 20px;
      height: 2px;
      background: var(--color-accent);
    }

    .section-title {
      font-size: clamp(26px, 3vw, 36px);
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--color-ink-soft);
      max-width: 820px;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 12px 24px;
      border-radius: 10px;
      font-size: 15px;
      font-weight: 600;
      border: 1px solid transparent;
      transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .btn-primary {
      background: var(--color-accent);
      color: #ffffff;
      box-shadow: 0 8px 20px rgba(178, 58, 37, 0.2);
    }

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

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: none;
    }

    .btn-outline {
      border-color: var(--color-ink);
      color: var(--color-ink);
      background: transparent;
    }

    .btn-outline:hover {
      background: var(--color-ink);
      color: #fff;
    }

    .btn-outline-light {
      border-color: rgba(255, 255, 255, .8);
      color: #fff;
      background: transparent;
    }

    .btn-outline-light:hover {
      background: #fff;
      color: var(--color-ink);
    }

    /* ===== Header ===== */
    .site-header {
      background: rgba(255, 253, 249, 0.96);
      border-bottom: 1px solid var(--color-line);
      position: sticky;
      top: 0;
      z-index: 80;
      backdrop-filter: blur(12px);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 68px;
    }

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

    .logo-mark {
      display: inline-block;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      border: 2px solid var(--color-accent);
      background: transparent;
      position: relative;
      flex-shrink: 0;
    }

    .logo-mark::after {
      content: '';
      position: absolute;
      width: 8px;
      height: 8px;
      background: var(--color-accent);
      border-radius: 50%;
      top: -5px;
      right: -4px;
    }

    .logo-text {
      font-size: 22px;
      font-weight: 800;
      color: var(--color-ink);
      letter-spacing: -0.02em;
    }

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

    .main-nav a {
      padding: 10px 15px;
      font-size: 15px;
      color: var(--color-ink-soft);
      font-weight: 500;
      border-radius: 999px;
      position: relative;
    }

    .main-nav a:hover {
      color: var(--color-ink);
      background: var(--color-muted);
    }

    .main-nav a.is-active {
      color: var(--color-ink);
      font-weight: 600;
    }

    .main-nav a.is-active::after {
      content: '';
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 3px;
      height: 3px;
      border-radius: 4px;
      background: var(--color-accent);
    }

    .header-cta {
      background: var(--color-accent);
      color: #fff;
      font-weight: 600;
      font-size: 15px;
      padding: 10px 20px;
      border-radius: 8px;
    }

    .header-cta:hover {
      background: var(--color-accent-dark);
      color: #fff;
    }

    .nav-toggle {
      display: none;
      background: transparent;
      border: 0;
      font-size: 22px;
      color: var(--color-ink);
      padding: 8px;
      border-radius: 8px;
    }

    /* ===== 分类页 Hero ===== */
    .page-hero {
      position: relative;
      padding: 96px 0 84px;
      color: #fff;
      background: linear-gradient(105deg, rgba(15, 17, 20, 0.87), rgba(30, 27, 23, 0.62)), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    }

    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.24);
      color: #fff;
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .12em;
      margin-bottom: 22px;
    }

    .hero-kicker i {
      color: #f4a290;
    }

    .page-hero h1 {
      color: #fff;
      font-size: clamp(32px, 5vw, 50px);
      font-weight: 800;
      line-height: 1.15;
      margin-bottom: 18px;
    }

    .page-hero .hero-lead {
      color: rgba(255, 255, 255, 0.8);
      font-size: 17px;
      max-width: 640px;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 36px;
    }

    .hero-points {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      color: rgba(255, 255, 255, 0.72);
      font-size: 14px;
    }

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

    .hero-points strong {
      color: #fff;
      font-size: 18px;
      margin-right: 2px;
    }

    .hero-figure {
      margin: 0;
    }

    .hero-figure img {
      border-radius: 18px;
      box-shadow: 0 20px 44px rgba(0, 0, 0, 0.25);
      border: 1px solid rgba(255, 255, 255, 0.24);
    }

    /* ===== 图文概览 ===== */
    .overview-visual {
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      object-fit: cover;
      width: 100%;
      height: 100%;
      min-height: 320px;
    }

    .overview-copy {
      padding-left: 12px;
    }

    .check-list {
      margin: 20px 0 0;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      position: relative;
      padding-left: 34px;
      margin-bottom: 12px;
      color: var(--color-ink);
    }

    .check-list li::before {
      content: '\f00c';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      position: absolute;
      left: 0;
      top: 2px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: rgba(178, 58, 37, 0.1);
      color: var(--color-accent);
      font-size: 11px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .overview-note {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-top: 18px;
      padding: 12px 18px;
      background: var(--color-muted);
      border-radius: 10px;
      font-size: 14px;
      color: var(--color-ink-soft);
    }

    .overview-note i {
      color: var(--color-accent);
    }

    /* ===== 准备清单 ===== */
    .prep-grid {
      margin-top: 36px;
    }

    .prep-item {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: 12px;
      padding: 22px;
      display: flex;
      gap: 16px;
      min-height: 130px;
      transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
    }

    .prep-item:hover {
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
      transform: translateY(-3px);
      border-color: #c8bfb1;
    }

    .prep-num {
      flex: 0 0 42px;
      width: 42px;
      height: 42px;
      border-radius: 11px;
      background: var(--color-muted);
      color: var(--color-accent);
      font-weight: 800;
      font-size: 17px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .prep-item h3 {
      font-size: 17px;
      margin-bottom: 6px;
    }

    .prep-item p {
      margin: 0;
      color: var(--color-ink-soft);
      font-size: 15px;
    }

    .remind-bar {
      margin-top: 34px;
      background: var(--color-surface);
      border-left: 4px solid var(--color-accent);
      border-radius: 10px;
      padding: 18px 22px;
      color: var(--color-ink-soft);
      font-size: 15px;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.03);
    }

    .remind-bar i {
      color: var(--color-accent);
      margin-right: 8px;
    }

    /* ===== 流程时间轴 ===== */
    .timeline {
      margin: 44px 0 0;
      padding: 0;
      list-style: none;
      position: relative;
      max-width: 900px;
    }

    .timeline::before {
      content: '';
      position: absolute;
      left: 58px;
      top: 20px;
      bottom: 20px;
      width: 2px;
      background: linear-gradient(to bottom, var(--color-accent) 0%, #e2d8c9 90%);
      opacity: .6;
    }

    .timeline-item {
      position: relative;
      padding: 0 0 40px 120px;
    }

    .timeline-step {
      position: absolute;
      left: 14px;
      top: 0;
      width: 90px;
      text-align: center;
    }

    .step-number {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 800;
      color: var(--color-accent);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
    }

    .timeline-content {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      padding: 24px 26px;
      transition: border-color .2s, transform .2s, box-shadow .2s;
    }

    .timeline-content:hover {
      border-color: #c8bfb1;
      transform: translateY(-3px);
      box-shadow: var(--shadow);
    }

    .timeline-content h3 {
      font-size: 20px;
      margin-bottom: 8px;
    }

    .timeline-content p {
      margin: 0;
      color: var(--color-ink-soft);
      font-size: 15px;
    }

    /* ===== 使用场景 ===== */
    .scenario-card {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      padding: 30px;
      height: 100%;
      position: relative;
    }

    .scenario-card .tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .08em;
      padding: 4px 10px;
      border-radius: 6px;
      background: rgba(178, 58, 37, 0.08);
      color: var(--color-accent);
      margin-bottom: 16px;
    }

    .scenario-card h3 {
      font-size: 21px;
      margin-bottom: 12px;
    }

    .scenario-card ul {
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
    }

    .scenario-card li {
      padding: 6px 0 6px 26px;
      position: relative;
      color: var(--color-ink-soft);
      font-size: 15px;
    }

    .scenario-card li::before {
      content: '\f105';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      position: absolute;
      left: 2px;
      color: var(--color-accent);
    }

    .scenario-hint {
      margin-top: 30px;
      background: var(--color-muted);
      border-radius: 12px;
      padding: 20px 24px;
      font-size: 15px;
      color: var(--color-ink-soft);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
    }

    .scenario-hint a {
      color: var(--color-accent);
      font-weight: 600;
    }

    .scenario-hint a:hover {
      color: var(--color-accent-dark);
      text-decoration: underline;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 920px;
      margin: 40px auto 0;
    }

    .faq-item {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: 12px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color .2s;
    }

    .faq-item[open] {
      border-color: rgba(178, 58, 37, 0.35);
    }

    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      list-style: none;
      padding: 18px 22px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--color-ink);
    }

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

    .faq-item summary::after {
      content: '\f067';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      font-size: 15px;
      color: var(--color-accent);
      transition: transform .25s ease;
      flex-shrink: 0;
    }

    .faq-item[open] summary::after {
      content: '\f068';
    }

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

    .faq-body a {
      color: var(--color-accent);
      font-weight: 600;
    }

    .faq-body a:hover {
      color: var(--color-accent-dark);
      text-decoration: underline;
    }

    /* ===== 表单 CTA ===== */
    .cta-band {
      background: var(--color-night);
      color: #fff;
      padding: 90px 0;
    }

    .cta-title {
      color: #fff;
      font-size: clamp(28px, 3vw, 38px);
      margin-bottom: 12px;
    }

    .cta-desc {
      color: rgba(255, 255, 255, 0.7);
      font-size: 16px;
      margin-bottom: 36px;
      max-width: 640px;
    }

    .cta-panel {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 16px;
      padding: 34px;
    }

    .field-group {
      margin-bottom: 18px;
    }

    .field-group label {
      display: block;
      font-size: 14px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 7px;
      letter-spacing: .02em;
    }

    .field-group input,
    .field-group select,
    .field-group textarea {
      width: 100%;
      background: #fff;
      border: 1px solid transparent;
      border-radius: 10px;
      padding: 13px 15px;
      color: var(--color-ink);
      font-size: 15px;
      outline: none;
      transition: border-color .2s, box-shadow .2s;
    }

    .field-group input:focus,
    .field-group select:focus,
    .field-group textarea:focus {
      border-color: var(--color-accent);
      box-shadow: 0 0 0 3px rgba(178, 58, 37, 0.18);
    }

    .field-group select {
      appearance: auto;
    }

    .field-group textarea {
      min-height: 110px;
      resize: vertical;
    }

    .form-status {
      margin-top: 16px;
      padding: 12px 16px;
      border-radius: 10px;
      font-size: 14px;
      display: none;
    }

    .form-status.success {
      display: block;
      background: rgba(255, 255, 255, 0.12);
      border-left: 4px solid #f4a290;
      color: #fff;
    }

    .privacy-note {
      margin-top: 14px;
      color: rgba(255, 255, 255, 0.5);
      font-size: 13px;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--color-night);
      color: rgba(255, 255, 255, 0.68);
      padding: 60px 0 28px;
    }

    .site-footer .logo-text {
      color: #fff;
    }

    .site-footer .footer-brand p {
      color: rgba(255, 255, 255, 0.62);
      font-size: 14px;
      max-width: 360px;
      margin: 12px 0 0;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr;
      gap: 48px;
      margin-bottom: 38px;
    }

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

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

    .footer-links li {
      margin-bottom: 9px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.66);
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .footer-links a i {
      color: #f4a290;
      font-size: 11px;
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 22px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 10px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.44);
    }

    .footer-bottom p {
      margin: 0;
    }

    .footer-icon {
      margin-right: 5px;
      opacity: 0.7;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .footer-top {
        grid-template-columns: 1fr 0.9fr 0.9fr;
        gap: 28px;
      }
    }

    @media (max-width: 900px) {
      .section {
        padding: 72px 0;
      }

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

      .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fffdf9;
        border-bottom: 1px solid var(--color-line);
        flex-direction: column;
        align-items: stretch;
        padding: 14px 24px;
        gap: 2px;
        display: none;
        box-shadow: 0 20px 32px rgba(0, 0, 0, 0.12);
      }

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

      .main-nav a {
        padding: 12px 14px;
      }

      .main-nav a.is-active::after {
        left: 14px;
        right: auto;
        width: 20px;
        bottom: auto;
      }

      .header-cta {
        display: none;
      }

      .hero-actions {
        margin-bottom: 28px;
      }

      .hero-figure {
        margin-top: 32px;
      }
    }

    @media (max-width: 768px) {
      .page-hero {
        padding: 56px 0 56px;
      }

      .overview-copy {
        padding-left: 0;
        margin-top: 32px;
      }

      .timeline::before {
        left: 28px;
      }

      .timeline-item {
        padding-left: 0;
        padding-bottom: 28px;
      }

      .timeline-step {
        position: static;
        margin-bottom: 8px;
        text-align: left;
      }

      .step-number {
        width: 56px;
        height: 56px;
        font-size: 18px;
        border-radius: 50%;
      }

      .timeline-content {
        margin-left: 86px;
      }

      .timeline::before {
        left: 28px;
        top: 0;
        bottom: 0;
      }

      .timeline-step {
        position: absolute;
        left: 0;
        top: 0;
        width: 56px;
      }

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

    @media (max-width: 640px) {
      .section {
        padding: 56px 0;
      }

      .container {
        padding: 0 20px;
      }

      .hero-points {
        gap: 10px 18px;
        font-size: 13px;
      }

      .hero-points strong {
        font-size: 16px;
      }

      .prep-item {
        min-height: 0;
      }

      .timeline-item {
        padding-left: 0;
      }

      .timeline::before {
        left: 18px;
      }

      .timeline-step {
        width: 40px;
        left: 0;
      }

      .step-number {
        width: 42px;
        height: 42px;
        font-size: 15px;
      }

      .timeline-content {
        margin-left: 62px;
        padding: 18px 16px;
      }

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

      .footer-bottom {
        flex-direction: column;
        gap: 6px;
      }
    }

/* roulang page: article */
:root {
      --color-ink: #2f2a25;
      --color-ink-soft: #6f665e;
      --color-paper: #faf6ef;
      --color-surface: #ffffff;
      --color-surface-mid: #f2ece2;
      --color-line: #e7ded0;
      --color-accent: #bb3a24;
      --color-accent-dark: #982b19;
      --color-night: #2a241f;
      --color-muted: #efe8db;
      --radius: 14px;
      --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.06);
      --shadow-lg: 0 18px 44px rgba(0, 0, 0, 0.08);
      --transition: all 0.25s ease;
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      margin: 0;
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
      background: var(--color-paper);
      color: var(--color-ink);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

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

    a:focus-visible,
    button:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 3px;
    }

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .grid-container {
      max-width: 1200px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 253, 249, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--color-line);
    }

    .header-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
      min-height: 68px;
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .logo-area {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      font-size: 0;
    }

    .logo-mark {
      position: relative;
      width: 17px;
      height: 17px;
      border: 2px solid var(--color-accent);
      border-radius: 50%;
      display: inline-block;
      flex-shrink: 0;
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      width: 5px;
      height: 5px;
      background: var(--color-accent);
      border-radius: 50%;
      top: -2px;
      right: -1px;
    }

    .logo-text {
      font-size: 22px;
      font-weight: 800;
      color: var(--color-ink);
      letter-spacing: -0.03em;
      line-height: 1;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 2px;
      margin-left: 10px;
    }

    .main-nav a {
      display: inline-block;
      padding: 10px 15px;
      border-radius: 9px;
      color: var(--color-ink-soft);
      font-size: 15px;
      font-weight: 500;
      position: relative;
      white-space: nowrap;
    }

    .main-nav a:hover {
      color: var(--color-ink);
      background: var(--color-muted);
    }

    .main-nav a.is-active {
      color: var(--color-ink);
      font-weight: 700;
    }

    .main-nav a.is-active::after {
      content: "";
      position: absolute;
      bottom: 4px;
      left: 50%;
      transform: translateX(-50%);
      width: 16px;
      height: 2px;
      border-radius: 3px;
      background: var(--color-accent);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-left: auto;
      flex-shrink: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 48px;
      padding: 0 28px;
      border-radius: 10px;
      font-size: 15px;
      font-weight: 600;
      line-height: 1;
      transition: var(--transition);
      text-align: center;
      white-space: nowrap;
      border: 1px solid transparent;
    }

    .btn-primary {
      background: var(--color-accent);
      color: #fff;
      box-shadow: 0 8px 20px rgba(187, 58, 36, 0.22);
    }

    .btn-primary:hover {
      background: var(--color-accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 12px 26px rgba(187, 58, 36, 0.26);
    }

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

    .btn-secondary {
      background: var(--color-surface);
      color: var(--color-ink);
      border-color: var(--color-line);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      border-color: var(--color-ink);
      background: var(--color-surface);
      transform: translateY(-2px);
    }

    .btn-header {
      height: 42px;
      padding: 0 22px;
      font-size: 14px;
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      border: 1px solid var(--color-line);
      background: var(--color-surface);
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
    }

    .nav-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--color-ink);
      border-radius: 2px;
      transition: transform 0.25s ease, opacity 0.25s ease;
    }

    .site-header.nav-open .nav-toggle span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .site-header.nav-open .nav-toggle span:nth-child(2) {
      opacity: 0;
    }

    .site-header.nav-open .nav-toggle span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .article-page {
      position: relative;
      padding: 48px 0 30px;
    }

    .article-layout {
      position: relative;
      z-index: 1;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      font-size: 14px;
      color: var(--color-ink-soft);
      margin-bottom: 20px;
      gap: 8px;
    }

    .breadcrumb a {
      color: var(--color-ink-soft);
    }

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

    .breadcrumb i {
      font-size: 10px;
      color: #bbb2a6;
    }

    .breadcrumb .crumb-title {
      max-width: 320px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      display: inline-block;
    }

    .article-heading {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      padding: 46px 50px;
      box-shadow: var(--shadow-md);
      position: relative;
      overflow: hidden;
    }

    .article-heading::before {
      content: "";
      position: absolute;
      top: -92px;
      right: -84px;
      width: 220px;
      height: 220px;
      border: 1px solid rgba(187, 58, 36, 0.2);
      border-radius: 50%;
      pointer-events: none;
    }

    .article-heading::after {
      content: "";
      position: absolute;
      top: 36px;
      right: 40px;
      width: 8px;
      height: 8px;
      background: var(--color-accent);
      border-radius: 50%;
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.08em;
      color: var(--color-accent);
      margin-bottom: 14px;
      text-transform: uppercase;
    }

    .article-category {
      display: inline-flex;
      align-items: center;
      color: var(--color-accent);
      background: rgba(187, 58, 36, 0.08);
      border: 1px solid rgba(187, 58, 36, 0.18);
      padding: 5px 14px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 18px;
    }

    .article-page-title {
      font-size: clamp(30px, 4.6vw, 50px);
      line-height: 1.18;
      letter-spacing: -0.035em;
      font-weight: 800;
      color: var(--color-ink);
      margin: 0 0 22px;
      max-width: 860px;
    }

    .article-meta-line {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px 24px;
      color: var(--color-ink-soft);
      font-size: 14px;
      padding-top: 18px;
      border-top: 1px solid var(--color-line);
    }

    .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .meta-item i {
      color: var(--color-accent);
      font-size: 14px;
    }

    .article-body-section {
      padding: 30px 0 30px;
    }

    .article-content-card {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-top: 3px solid var(--color-accent);
      border-radius: var(--radius);
      padding: 48px 54px;
      box-shadow: var(--shadow-md);
    }

    .article-body {
      font-size: 16.5px;
      line-height: 1.88;
      color: #3d3832;
      overflow-wrap: break-word;
    }

    .article-body p {
      margin: 0 0 1.5em;
    }

    .article-body p:first-of-type {
      color: #302b26;
      font-size: 17.5px;
    }

    .article-body h2 {
      font-size: 27px;
      line-height: 1.35;
      font-weight: 800;
      margin: 2.2em 0 0.7em;
      letter-spacing: -0.02em;
      color: var(--color-ink);
      padding-bottom: 0.35em;
      border-bottom: 1px solid var(--color-line);
    }

    .article-body h3 {
      font-size: 21px;
      line-height: 1.4;
      font-weight: 700;
      margin: 1.9em 0 0.7em;
      color: var(--color-ink);
    }

    .article-body h4 {
      font-size: 18px;
      font-weight: 700;
      margin: 1.7em 0 0.5em;
      color: var(--color-ink);
    }

    .article-body a {
      color: var(--color-accent);
      text-decoration: underline;
      text-underline-offset: 3px;
      text-decoration-color: rgba(187, 58, 36, 0.3);
    }

    .article-body a:hover {
      color: var(--color-accent-dark);
      text-decoration-color: var(--color-accent);
    }

    .article-body blockquote {
      margin: 28px 0;
      padding: 20px 24px;
      background: var(--color-muted);
      border-left: 4px solid var(--color-accent);
      border-radius: 0 12px 12px 0;
      color: #544b43;
      font-size: 16px;
    }

    .article-body ul,
    .article-body ol {
      margin: 0 0 1.6em;
      padding-left: 1.4em;
    }

    .article-body li {
      margin-bottom: 0.42em;
    }

    .article-body strong {
      color: var(--color-ink);
      font-weight: 700;
    }

    .article-body img {
      border-radius: 12px;
      margin: 26px 0;
      box-shadow: var(--shadow-sm);
    }

    .article-body table {
      width: 100%;
      margin: 28px 0;
      border-collapse: collapse;
      font-size: 15px;
      background: #fff;
      border-radius: 10px;
      overflow: hidden;
    }

    .article-body th,
    .article-body td {
      border: 1px solid var(--color-line);
      padding: 12px 14px;
      text-align: left;
      vertical-align: top;
    }

    .article-body th {
      background: var(--color-muted);
      font-weight: 700;
      color: var(--color-ink);
    }

    .article-body hr {
      border: none;
      height: 1px;
      background: var(--color-line);
      margin: 40px 0;
    }

    .article-bottom-nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      padding-top: 28px;
      margin-top: 36px;
      border-top: 1px solid var(--color-line);
    }

    .back-link {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: var(--color-ink-soft);
      font-size: 14px;
      font-weight: 600;
    }

    .back-link i {
      color: var(--color-accent);
      font-size: 13px;
      transition: transform 0.25s ease;
    }

    .back-link:hover {
      color: var(--color-ink);
    }

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

    .article-empty-section {
      padding: 90px 0 30px;
      min-height: 420px;
    }

    .empty-panel {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      padding: 64px 40px;
      text-align: center;
      box-shadow: var(--shadow-md);
    }

    .empty-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: rgba(187, 58, 36, 0.1);
      color: var(--color-accent);
      font-size: 25px;
      margin-bottom: 20px;
    }

    .empty-panel h1 {
      font-size: 30px;
      margin: 0 0 12px;
      color: var(--color-ink);
    }

    .empty-panel p {
      color: var(--color-ink-soft);
      margin: 0 0 28px;
      max-width: 480px;
      margin-left: auto;
      margin-right: auto;
    }

    .related-section {
      padding: 76px 0 30px;
    }

    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 44px;
    }

    .section-kicker {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.12em;
      color: var(--color-accent);
      margin-bottom: 10px;
    }

    .section-title {
      font-size: clamp(25px, 3vw, 34px);
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.03em;
      color: var(--color-ink);
      margin: 0 0 12px;
    }

    .section-desc {
      color: var(--color-ink-soft);
      font-size: 16px;
      margin: 0;
    }

    .related-grid {
      align-items: stretch;
    }

    .related-cell {
      margin-bottom: 28px;
    }

    .related-cell .cell-inner {
      height: 100%;
    }

    .related-card {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .related-card:hover {
      transform: translateY(-4px);
      border-color: #d7c9b6;
      box-shadow: var(--shadow-lg);
    }

    .related-img {
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: var(--color-muted);
    }

    .related-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.45s ease;
    }

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

    .related-body {
      padding: 23px 24px 25px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .related-tag {
      align-self: flex-start;
      font-size: 12px;
      font-weight: 600;
      color: var(--color-accent);
      background: rgba(187, 58, 36, 0.08);
      border-radius: 999px;
      padding: 4px 12px;
      margin-bottom: 13px;
    }

    .related-title {
      font-size: 18px;
      font-weight: 700;
      line-height: 1.5;
      color: var(--color-ink);
      margin: 0 0 9px;
      letter-spacing: -0.01em;
    }

    .related-title a:hover {
      color: var(--color-accent);
    }

    .related-excerpt {
      font-size: 14px;
      color: var(--color-ink-soft);
      line-height: 1.75;
      margin: 0 0 18px;
      flex: 1;
    }

    .related-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: 14px;
      font-weight: 600;
      color: var(--color-accent);
    }

    .related-link i {
      font-size: 12px;
      transition: transform 0.25s ease;
    }

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

    .article-cta {
      position: relative;
      background-color: var(--color-night);
      background-image: url("/assets/images/backpic/back-3.png");
      background-position: center;
      background-size: cover;
      padding: 84px 0;
      margin-top: 54px;
    }

    .article-cta::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(100deg, rgba(42, 36, 31, 0.94), rgba(42, 36, 31, 0.8));
    }

    .cta-content {
      position: relative;
      z-index: 2;
      max-width: 820px;
      margin: 0 auto;
      text-align: center;
      color: #fff;
    }

    .cta-kicker {
      display: inline-block;
      color: #f1b3a7;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.12em;
      margin-bottom: 12px;
    }

    .cta-title {
      font-size: clamp(25px, 3.6vw, 38px);
      font-weight: 800;
      line-height: 1.3;
      margin: 0 0 16px;
      letter-spacing: -0.03em;
    }

    .cta-text {
      color: rgba(255, 255, 255, 0.8);
      font-size: 16px;
      margin: 0 auto 30px;
      max-width: 620px;
    }

    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    .btn-light {
      background: #fff;
      color: var(--color-night);
      border-color: #fff;
    }

    .btn-light:hover {
      background: #f3ebe2;
      border-color: #f3ebe2;
      color: var(--color-night);
      transform: translateY(-2px);
    }

    .btn-ghost-light {
      background: transparent;
      color: #fff;
      border-color: rgba(255, 255, 255, 0.45);
    }

    .btn-ghost-light:hover {
      border-color: #fff;
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      transform: translateY(-2px);
    }

    .site-footer {
      background: var(--color-night);
      color: rgba(255, 255, 255, 0.75);
      padding: 62px 0 0;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.7fr 1fr 1fr;
      gap: 44px;
      padding-bottom: 40px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.85;
      color: rgba(255, 255, 255, 0.6);
      max-width: 360px;
      margin: 16px 0 0;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      margin: 0 0 18px;
      letter-spacing: 0.02em;
    }

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

    .footer-links li {
      margin-bottom: 12px;
    }

    .footer-links a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.62);
      transition: var(--transition);
    }

    .footer-links a i {
      font-size: 10px;
      color: var(--color-accent);
      transition: transform 0.2s ease;
    }

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

    .footer-links a:hover i {
      transform: translateX(3px);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 22px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.48);
    }

    .footer-bottom p {
      margin: 0;
    }

    .footer-icon {
      margin-right: 5px;
    }

    .site-footer .logo-area .logo-text {
      color: #fff;
    }

    .site-footer .logo-area .logo-mark {
      border-color: rgba(255, 255, 255, 0.92);
    }

    .site-footer .logo-area .logo-mark::after {
      background: var(--color-accent);
    }

    @media (max-width: 1023px) {
      .footer-top {
        grid-template-columns: 1.4fr 1fr;
        gap: 36px;
      }

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 900px) {
      .header-inner {
        flex-wrap: wrap;
        padding: 12px 20px;
        gap: 12px;
      }

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

      .main-nav {
        order: 5;
        width: 100%;
        flex: 0 0 100%;
        flex-direction: column;
        align-items: stretch;
        margin-left: 0;
        display: none;
        padding: 10px 0 12px;
        border-top: 1px solid var(--color-line);
        gap: 4px;
      }

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

      .main-nav a {
        width: 100%;
        padding: 13px 14px;
        white-space: normal;
      }

      .main-nav a.is-active::after {
        left: 20px;
        transform: none;
        width: 13px;
        bottom: 8px;
      }

      .header-actions {
        margin-left: auto;
      }

      .btn-header {
        padding: 0 17px;
        font-size: 13px;
      }
    }

    @media (max-width: 767px) {
      .article-page {
        padding-top: 24px;
      }

      .article-heading {
        padding: 34px 24px;
      }

      .article-content-card {
        padding: 28px 22px;
      }

      .article-body {
        font-size: 16px;
      }

      .article-body h2 {
        font-size: 23px;
      }

      .breadcrumb {
        font-size: 13px;
      }

      .breadcrumb .crumb-title {
        max-width: 150px;
      }

      .article-cta {
        padding: 64px 0;
      }

      .cta-actions {
        flex-direction: column;
        align-items: center;
      }

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

    @media (max-width: 520px) {
      .container,
      .grid-container {
        padding-left: 20px;
        padding-right: 20px;
      }

      .header-inner {
        padding-left: 16px;
        padding-right: 16px;
      }

      .logo-text {
        font-size: 20px;
      }

      .btn-header {
        display: none;
      }

      .article-heading {
        padding: 30px 20px;
      }

      .article-content-card {
        padding: 24px 18px;
      }

      .article-page-title {
        font-size: 29px;
      }

      .article-meta-line {
        gap: 10px 14px;
      }

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

      .section-head {
        text-align: left;
      }

      .related-cell {
        margin-bottom: 20px;
      }

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

/* roulang page: category2 */
:root {
      --color-ink: #252b28;
      --color-ink-soft: #5e6661;
      --color-paper: #f6f2ea;
      --color-surface: #ffffff;
      --color-line: #e2dccd;
      --color-accent: #b03a2e;
      --color-accent-dark: #902b22;
      --color-night: #212724;
      --color-muted: #ece7dc;
      --radius-md: 14px;
      --radius-lg: 18px;
      --shadow-soft: 0 10px 30px rgba(34, 30, 22, 0.06);
      --shadow-card: 0 1px 2px rgba(34, 30, 22, 0.04), 0 16px 40px rgba(34, 30, 22, 0.06);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
      background: var(--color-paper);
      color: var(--color-ink);
      font-size: 16px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
      border: 0;
    }

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

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

    ul,
    ol {
      list-style: none;
    }

    button,
    input,
    select,
    textarea {
      font: inherit;
      color: inherit;
    }

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

    h1,
    h2,
    h3,
    h4 {
      line-height: 1.25;
      letter-spacing: -.02em;
    }

    :focus-visible {
      outline: 3px solid rgba(176, 58, 46, 0.35);
      outline-offset: 3px;
    }

    .container {
      width: 100%;
      max-width: 1220px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section {
      padding: clamp(72px, 8vw, 120px) 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 42px;
    }

    .section-head h2 {
      margin-top: 12px;
      color: var(--color-ink);
    }

    .section-head p {
      color: var(--color-ink-soft);
      margin-top: 16px;
      max-width: 680px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .12em;
      color: var(--color-accent);
      text-transform: uppercase;
    }

    .eyebrow::before {
      content: "";
      display: inline-block;
      width: 22px;
      height: 2px;
      background: var(--color-accent);
      border-radius: 2px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 50px;
      padding: 0 24px;
      border-radius: 10px;
      font-size: 15px;
      font-weight: 600;
      letter-spacing: .02em;
      border: 1px solid transparent;
      transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
      white-space: nowrap;
    }

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

    .btn-accent {
      background: var(--color-accent);
      border-color: var(--color-accent);
      color: #fff;
      box-shadow: 0 12px 28px rgba(176, 58, 46, 0.2);
    }

    .btn-accent:hover {
      background: var(--color-accent-dark);
      border-color: var(--color-accent-dark);
      color: #fff;
      box-shadow: 0 14px 32px rgba(176, 58, 46, 0.25);
    }

    .btn-outline {
      background: transparent;
      border-color: rgba(37, 43, 40, .6);
      color: var(--color-ink);
    }

    .btn-outline:hover {
      background: var(--color-ink);
      color: var(--color-paper);
      border-color: var(--color-ink);
    }

    .header-area {
      position: relative;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(246, 242, 234, 0.92);
      border-bottom: 1px solid rgba(226, 220, 205, .8);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }

    .header-inner {
      display: flex;
      align-items: center;
      min-height: 70px;
      gap: 24px;
    }

    .logo-area {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      color: var(--color-ink);
    }

    .logo-mark {
      position: relative;
      display: inline-block;
      width: 30px;
      height: 30px;
      border: 2px solid var(--color-accent);
      border-radius: 50%;
      flex-shrink: 0;
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      left: 50%;
      top: 50%;
      width: 7px;
      height: 7px;
      margin: -3.5px 0 0 -3.5px;
      background: var(--color-accent);
      border-radius: 50%;
    }

    .logo-text {
      font-weight: 800;
      font-size: 22px;
      letter-spacing: -0.01em;
      color: var(--color-ink);
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: clamp(16px, 2.2vw, 30px);
      margin-left: auto;
    }

    .main-nav a {
      position: relative;
      color: var(--color-ink-soft);
      font-size: 15px;
      font-weight: 600;
      padding: 12px 2px;
      line-height: 1.2;
    }

    .main-nav a:hover {
      color: var(--color-ink);
    }

    .main-nav a.is-active {
      color: var(--color-ink);
      font-weight: 700;
    }

    .main-nav a.is-active::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 2px;
      height: 3px;
      border-radius: 3px;
      background: var(--color-accent);
    }

    .header-cta {
      height: 42px;
      padding: 0 20px;
      font-size: 14px;
      background: var(--color-ink);
      color: var(--color-paper);
      border-color: var(--color-ink);
      box-shadow: none;
    }

    .header-cta:hover {
      background: var(--color-accent);
      border-color: var(--color-accent);
      color: #fff;
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 10px;
      border: 1px solid var(--color-line);
      background: var(--color-surface);
      margin-left: auto;
      align-items: center;
      justify-content: center;
      gap: 5px;
      flex-direction: column;
    }

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

    .site-header.is-open .nav-toggle span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .site-header.is-open .nav-toggle span:nth-child(2) {
      opacity: 0;
    }

    .site-header.is-open .nav-toggle span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .page-hero {
      position: relative;
      overflow: hidden;
      padding: clamp(76px, 8vw, 122px) 0 clamp(60px, 6vw, 90px);
      background: linear-gradient(115deg, #efe9dc 0%, #faf7f0 55%, #e8e1d3 100%);
      border-bottom: 1px solid var(--color-line);
    }

    .hero-bg {
      position: absolute;
      top: 0;
      right: 0;
      width: 46%;
      height: 100%;
      background-image: url("/assets/images/backpic/back-1.webp");
      background-size: cover;
      background-position: center 20%;
      opacity: .26;
    }

    .hero-bg::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, #f5f0e7 0%, rgba(245, 240, 231, 0.55) 45%, rgba(245, 240, 231, 0) 100%);
    }

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

    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(176, 58, 46, .08);
      border: 1px solid rgba(176, 58, 46, .18);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 700;
      color: var(--color-accent);
      letter-spacing: .04em;
    }

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

    .page-hero h1 {
      margin-top: 24px;
      font-size: clamp(34px, 5vw, 54px);
      font-weight: 800;
      line-height: 1.14;
      color: var(--color-ink);
    }

    .page-hero h1 .line-mark {
      display: inline-block;
      width: 14px;
      height: 4px;
      margin: 0 10px 8px 0;
      border-radius: 4px;
      background: var(--color-accent);
    }

    .hero-lead {
      max-width: 620px;
      margin-top: 22px;
      font-size: 17px;
      line-height: 1.9;
      color: var(--color-ink-soft);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 32px;
    }

    .hero-path {
      margin-top: 28px;
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      align-items: center;
    }

    .hero-path span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 600;
      color: var(--color-ink-soft);
    }

    .hero-path i {
      color: var(--color-accent);
      font-size: 10px;
    }

    .hero-visual {
      position: relative;
      z-index: 2;
      margin-left: auto;
      max-width: 520px;
    }

    .hero-img-frame {
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--color-surface);
      box-shadow: 0 24px 60px rgba(37, 35, 28, .18);
      border: 5px solid rgba(255, 255, 255, .6);
    }

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

    .hero-float-card {
      position: absolute;
      left: -26px;
      bottom: 24px;
      background: rgba(255, 255, 255, .96);
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-card);
      border-radius: 14px;
      padding: 14px 18px 14px 14px;
      display: flex;
      align-items: center;
      gap: 12px;
      backdrop-filter: blur(8px);
    }

    .float-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: rgba(176, 58, 46, .12);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }

    .float-meta strong {
      display: block;
      font-size: 14px;
      color: var(--color-ink);
      line-height: 1.3;
    }

    .float-meta span {
      display: block;
      font-size: 12px;
      color: var(--color-ink-soft);
      line-height: 1.4;
      margin-top: 2px;
    }

    .intro-section {
      background: var(--color-paper);
    }

    .intro-section .grid-x {
      align-items: center;
    }

    .intro-title {
      max-width: 520px;
    }

    .intro-title h2 {
      margin-top: 14px;
      font-size: clamp(24px, 3vw, 32px);
      line-height: 1.3;
    }

    .intro-title p {
      margin-top: 20px;
      color: var(--color-ink-soft);
    }

    .intro-note {
      margin-top: 28px;
      padding: 18px 20px;
      border-radius: var(--radius-md);
      border-left: 4px solid var(--color-accent);
      background: var(--color-surface);
      box-shadow: var(--shadow-soft);
      color: var(--color-ink-soft);
      font-size: 14px;
    }

    .intro-note strong {
      color: var(--color-accent);
      font-weight: 700;
    }

    .scope-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      margin-left: auto;
      max-width: 560px;
      background: var(--color-night);
    }

    .scope-visual img {
      width: 100%;
      aspect-ratio: 5 / 4;
      object-fit: cover;
      opacity: .82;
    }

    .scope-visual-caption {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 16px;
      padding: 14px 18px;
      background: rgba(33, 39, 36, .76);
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: 12px;
      color: #f6f2ea;
      backdrop-filter: blur(6px);
      font-size: 14px;
    }

    .scope-visual-caption strong {
      display: block;
      color: #fff;
      font-size: 15px;
      margin-bottom: 2px;
    }

    .support-section {
      background: var(--color-surface);
      border-top: 1px solid var(--color-line);
      border-bottom: 1px solid var(--color-line);
    }

    .support-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-top: 28px;
    }

    .support-list-item {
      display: flex;
      gap: 16px;
      padding: 16px 18px;
      background: var(--color-paper);
      border: 1px solid rgba(226, 220, 205, .75);
      border-radius: 12px;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .support-list-item:hover {
      border-color: rgba(176, 58, 46, .4);
      box-shadow: 0 8px 24px rgba(37, 35, 28, .05);
    }

    .support-list-icon {
      width: 40px;
      height: 40px;
      flex-shrink: 0;
      border-radius: 10px;
      background: var(--color-accent);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }

    .support-list-item h3 {
      font-size: 17px;
      margin-bottom: 4px;
    }

    .support-list-item p {
      font-size: 14px;
      color: var(--color-ink-soft);
      line-height: 1.75;
    }

    .service-card {
      height: 100%;
      padding: clamp(24px, 3vw, 34px);
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-soft);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .service-card:hover {
      transform: translateY(-3px);
      border-color: rgba(176, 58, 46, .32);
      box-shadow: var(--shadow-card);
    }

    .service-price-tag {
      display: inline-flex;
      align-items: center;
      padding: 5px 10px;
      background: rgba(176, 58, 46, .1);
      border: 1px solid rgba(176, 58, 46, .16);
      border-radius: 999px;
      color: var(--color-accent);
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .08em;
    }

    .service-card h3 {
      margin-top: 18px;
      font-size: 22px;
    }

    .service-card p {
      margin-top: 12px;
      color: var(--color-ink-soft);
      font-size: 15px;
    }

    .service-card ul {
      margin-top: 18px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .service-card ul li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      font-size: 14px;
      color: var(--color-ink-soft);
    }

    .service-card ul li i {
      color: var(--color-accent);
      margin-top: 6px;
      font-size: 11px;
    }

    .process-section {
      background: var(--color-paper);
      overflow: hidden;
    }

    .process-timeline {
      max-width: 900px;
      margin: 56px auto 0;
      position: relative;
      display: flex;
      flex-direction: column;
      gap: 26px;
    }

    .process-item {
      display: flex;
      gap: 22px;
      align-items: flex-start;
      position: relative;
      padding-left: 2px;
    }

    .process-num {
      width: 66px;
      height: 66px;
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      border: 1px solid var(--color-line);
      background: var(--color-surface);
      color: var(--color-accent);
      font-size: 22px;
      font-weight: 800;
      box-shadow: 0 10px 24px rgba(37, 35, 28, .06);
      position: relative;
      z-index: 2;
    }

    .process-item:not(:last-child)::before {
      content: "";
      position: absolute;
      left: 32px;
      top: 68px;
      bottom: -38px;
      width: 2px;
      background: linear-gradient(to bottom, rgba(176, 58, 46, .5), rgba(176, 58, 46, .14));
    }

    .process-body {
      flex: 1;
      padding: 6px 0 6px 10px;
    }

    .process-body h3 {
      font-size: 20px;
      color: var(--color-ink);
    }

    .process-body p {
      margin-top: 8px;
      color: var(--color-ink-soft);
      max-width: 560px;
      font-size: 15px;
    }

    .prepare-section {
      background: var(--color-surface);
      border-top: 1px solid var(--color-line);
    }

    .prepare-panel {
      position: relative;
      overflow: hidden;
      padding: clamp(30px, 5vw, 60px);
      border-radius: var(--radius-lg);
      background: var(--color-night);
      color: rgba(255, 255, 255, .8);
      box-shadow: var(--shadow-card);
    }

    .prepare-panel::before {
      content: "";
      position: absolute;
      right: -70px;
      top: -70px;
      width: 260px;
      height: 260px;
      border: 2px solid rgba(255, 255, 255, .08);
      border-radius: 50%;
      pointer-events: none;
    }

    .prepare-panel::after {
      content: "9";
      position: absolute;
      right: 8px;
      top: -44px;
      font-size: 230px;
      font-weight: 800;
      line-height: 1;
      color: rgba(255, 255, 255, .035);
      user-select: none;
      pointer-events: none;
    }

    .prepare-inner {
      position: relative;
      z-index: 2;
      max-width: 780px;
    }

    .prepare-inner h2 {
      color: #fff;
      margin-bottom: 14px;
    }

    .prepare-inner > p {
      color: rgba(255, 255, 255, .72);
      margin-bottom: 28px;
    }

    .prepare-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .prepare-item {
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: 12px;
      padding: 14px 16px;
      color: rgba(255, 255, 255, .86);
      font-size: 14px;
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }

    .prepare-item i {
      color: var(--color-accent);
      background: rgba(255, 255, 255, .1);
      width: 30px;
      height: 30px;
      flex-shrink: 0;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
    }

    .faq-section {
      background: var(--color-paper);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 0.85fr 1.5fr;
      gap: 60px;
      align-items: start;
    }

    .faq-intro {
      position: sticky;
      top: 120px;
    }

    .faq-intro h2 {
      margin-top: 12px;
    }

    .faq-intro p {
      color: var(--color-ink-soft);
      margin-top: 18px;
    }

    .faq-intro .faq-help {
      margin-top: 24px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--color-accent);
      font-weight: 600;
      font-size: 15px;
    }

    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-item[open] {
      border-color: rgba(176, 58, 46, .35);
      box-shadow: var(--shadow-soft);
    }

    .faq-item summary {
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 22px;
      list-style: none;
      font-weight: 600;
      color: var(--color-ink);
      font-size: 16px;
      line-height: 1.5;
    }

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

    .faq-icon {
      position: relative;
      flex-shrink: 0;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: rgba(176, 58, 46, .12);
      transition: background .2s ease, transform .2s ease;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      left: 50%;
      top: 50%;
      width: 12px;
      height: 2px;
      background: var(--color-accent);
      border-radius: 3px;
      transform: translate(-50%, -50%);
      transition: opacity .2s ease, transform .2s ease;
    }

    .faq-icon::after {
      transform: translate(-50%, -50%) rotate(90deg);
    }

    .faq-item[open] .faq-icon::after {
      transform: translate(-50%, -50%) rotate(0deg);
      opacity: 0;
    }

    .faq-item[open] .faq-icon {
      transform: rotate(180deg);
    }

    .faq-body {
      padding: 0 22px 22px;
    }

    .faq-body p {
      color: var(--color-ink-soft);
      font-size: 15px;
      line-height: 1.85;
    }

    .cta-section {
      background: var(--color-night);
      color: rgba(255, 255, 255, .8);
    }

    .cta-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
    }

    .cta-copy h2 {
      color: #fff;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.24;
    }

    .cta-copy p {
      margin-top: 20px;
      font-size: 16px;
      line-height: 1.9;
      color: rgba(255, 255, 255, .72);
    }

    .cta-copy .cta-note {
      margin-top: 26px;
      display: flex;
      gap: 12px;
      align-items: center;
      font-size: 14px;
      color: rgba(255, 255, 255, .64);
    }

    .cta-copy .cta-note i {
      color: var(--color-accent);
      font-size: 18px;
    }

    .form-panel {
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: 16px;
      padding: clamp(24px, 4vw, 42px);
      box-shadow: 0 20px 60px rgba(0, 0, 0, .22);
      backdrop-filter: blur(6px);
    }

    .form-panel h3 {
      color: #fff;
      font-size: 21px;
      margin-bottom: 24px;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      margin-bottom: 6px;
      font-size: 14px;
      color: rgba(255, 255, 255, .86);
      font-weight: 600;
    }

    .form-control {
      width: 100%;
      height: 48px;
      padding: 0 14px;
      background: var(--color-surface);
      border: 1px solid rgba(255, 255, 255, .65);
      border-radius: 10px;
      color: var(--color-ink);
      font-size: 15px;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    textarea.form-control {
      height: auto;
      min-height: 108px;
      padding: 12px 14px;
      resize: vertical;
      line-height: 1.6;
    }

    .form-control::placeholder {
      color: #92998f;
    }

    .form-control:focus {
      outline: 0;
      border-color: var(--color-accent);
      box-shadow: 0 0 0 3px rgba(176, 58, 46, .22);
    }

    .form-actions {
      margin-top: 22px;
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    .form-status {
      margin-top: 14px;
      padding: 10px 12px;
      border-radius: 8px;
      font-size: 14px;
      background: rgba(255, 255, 255, .08);
      color: rgba(255, 255, 255, .85);
      display: none;
    }

    .form-status.success {
      display: block;
      border: 1px solid rgba(255, 255, 255, .18);
    }

    .form-status.error {
      display: block;
      background: rgba(176, 58, 46, .28);
      border: 1px solid rgba(255, 255, 255, .2);
    }

    .private-tip {
      margin-top: 18px;
      font-size: 12px;
      color: rgba(255, 255, 255, .5);
      line-height: 1.6;
    }

    .site-footer {
      background: var(--color-night);
      color: rgba(255, 255, 255, .72);
      padding: 64px 0 28px;
      border-top: 1px solid rgba(255, 255, 255, .06);
    }

    .site-footer .footer-top {
      display: grid;
      grid-template-columns: 1.6fr .8fr .8fr;
      gap: 40px;
      padding-bottom: 42px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .site-footer .footer-brand p {
      margin-top: 12px;
      max-width: 420px;
      font-size: 14px;
      color: rgba(255, 255, 255, .56);
      line-height: 1.8;
    }

    .site-footer .footer-brand .logo-text {
      color: #fff;
    }

    .site-footer .footer-col h4 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 18px;
      letter-spacing: .02em;
    }

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

    .site-footer .footer-links a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: rgba(255, 255, 255, .62);
      transition: color .2s ease, padding-left .2s ease;
    }

    .site-footer .footer-links a i {
      font-size: 9px;
      color: rgba(255, 255, 255, .32);
      transition: color .2s ease;
    }

    .site-footer .footer-links a:hover {
      color: #fff;
      padding-left: 2px;
    }

    .site-footer .footer-links a:hover i {
      color: var(--color-accent);
    }

    .footer-bottom {
      padding-top: 26px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 13px;
      color: rgba(255, 255, 255, .4);
    }

    .footer-icon {
      margin-right: 4px;
      opacity: .6;
    }

    @media screen and (max-width: 1023px) {
      .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        margin-left: 0;
        background: rgba(250, 247, 239, 0.98);
        border-bottom: 1px solid var(--color-line);
        box-shadow: 0 16px 32px rgba(37, 35, 28, .08);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
        padding: 10px 20px 18px;
        backdrop-filter: blur(12px);
      }

      .main-nav a {
        padding: 13px 2px;
        border-bottom: 1px solid rgba(226, 220, 205, .75);
        margin: 0;
        font-size: 15px;
      }

      .main-nav a:last-of-type {
        border-bottom: 0;
      }

      .main-nav a.is-active::after {
        bottom: 0;
        top: auto;
        right: auto;
        left: 0;
        width: 34px;
        height: 3px;
      }

      .site-header.is-open .main-nav {
        opacity: 1;
        visibility: visible;
        transform: none;
      }

      .nav-toggle {
        display: flex;
      }

      .header-cta {
        display: none;
      }

      .hero-bg {
        width: 100%;
        right: auto;
        left: 0;
        opacity: .16;
      }

      .hero-bg::after {
        background: linear-gradient(90deg, rgba(246, 242, 234, .7), rgba(246, 242, 234, .3));
      }

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

      .faq-intro {
        position: static;
      }

      .cta-inner {
        grid-template-columns: 1fr;
        gap: 48px;
      }
    }

    @media screen and (max-width: 767px) {
      .container {
        padding: 0 20px;
      }

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

      .hero-visual {
        margin: 40px auto 0;
      }

      .hero-float-card {
        left: 14px;
        bottom: 14px;
      }

      .intro-section .scope-visual {
        margin-top: 28px;
      }

      .process-item {
        gap: 14px;
      }

      .process-num {
        width: 52px;
        height: 52px;
        font-size: 18px;
      }

      .process-item:not(:last-child)::before {
        left: 25px;
      }

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

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

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

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

    @media screen and (max-width: 520px) {
      .header-inner {
        min-height: 64px;
        gap: 14px;
      }

      .logo-text {
        font-size: 19px;
      }

      .logo-area .logo-mark {
        width: 26px;
        height: 26px;
      }

      .section {
        padding: 60px 0;
      }

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

      .process-body p {
        font-size: 14px;
      }
    }

/* roulang page: category3 */
:root {
      --color-ink: #2d2a26;
      --color-ink-soft: #66615a;
      --color-paper: #f6f2eb;
      --color-surface: #ffffff;
      --color-line: #e4dcd0;
      --color-accent: #b03a2e;
      --color-accent-dark: #8e2e25;
      --color-night: #221f1b;
      --color-night-soft: #3a342e;
      --color-muted: #ece4d8;
      --color-cream: #fbf7f0;
      --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
      --radius: 14px;
      --radius-sm: 10px;
      --shadow-sm: 0 1px 2px rgba(0,0,0,.03);
      --shadow-md: 0 10px 30px rgba(0,0,0,.06);
      --shadow-lg: 0 22px 52px rgba(45,42,38,.12);
      --space-section: clamp(72px, 9vw, 112px);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.75;
      color: var(--color-ink);
      background-color: var(--color-paper);
      -webkit-font-smoothing: antialiased;
      padding-top: 70px;
    }

    body.category-page {
      background: var(--color-paper);
    }

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

    a {
      color: var(--color-ink);
      text-decoration: none;
      transition: color .25s ease, background .25s ease, border-color .25s ease, opacity .25s ease, transform .25s ease, box-shadow .25s ease;
    }

    a:hover {
      color: var(--color-accent);
    }

    ul,
    ol {
      margin: 0;
      padding: 0;
    }

    h1,
    h2,
    h3,
    h4,
    p {
      margin: 0 0 .65em;
    }

    h1,
    h2,
    h3,
    h4 {
      line-height: 1.25;
      color: var(--color-ink);
    }

    h1 {
      font-size: clamp(32px, 5vw, 52px);
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.12;
      margin-bottom: .28em;
    }

    h2 {
      font-size: clamp(24px, 3.2vw, 34px);
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.01em;
    }

    h3 {
      font-size: 20px;
      font-weight: 700;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    section {
      scroll-margin-top: 90px;
    }

    .skip-link {
      position: absolute;
      left: -9999px;
      top: 0;
      background: var(--color-accent);
      color: #fff;
      padding: 8px 20px;
      border-radius: 0 0 10px 0;
      z-index: 500;
    }

    .skip-link:focus {
      left: 0;
      color: #fff;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 24px;
      border: 1px solid transparent;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 700;
      line-height: 1;
      cursor: pointer;
      text-align: center;
      white-space: nowrap;
      transition: background .25s ease, border-color .25s ease, color .25s ease, transform .25s ease, box-shadow .25s ease;
    }

    .btn:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    summary:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 3px;
    }

    .btn-primary {
      background: var(--color-accent);
      color: #fff;
      box-shadow: 0 10px 24px rgba(176, 58, 46, .26);
    }

    .btn-primary:hover {
      background: var(--color-accent-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(176, 58, 46, .3);
    }

    .btn-primary:active {
      background: var(--color-accent-dark);
      transform: translateY(0);
    }

    .btn-ghost {
      background: transparent;
      border-color: rgba(45, 42, 38, .38);
      color: var(--color-ink);
    }

    .btn-ghost:hover {
      border-color: var(--color-ink);
      color: var(--color-ink);
      background: #fff;
    }

    .btn-light {
      border-color: rgba(255, 255, 255, .7);
      color: #fff;
    }

    .btn-light:hover {
      background: rgba(255, 255, 255, .12);
      border-color: #fff;
      color: #fff;
    }

    .btn-large {
      min-height: 52px;
      padding: 0 30px;
      font-size: 16px;
    }

    .btn-sm {
      min-height: 40px;
      padding: 0 17px;
      font-size: 14px;
      border-radius: 9px;
    }

    .link-arrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-accent);
      font-weight: 700;
      margin-top: 12px;
    }

    .link-arrow i {
      transition: transform .25s ease;
    }

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

    /* ===== Header 导航 ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      background: rgba(255, 255, 255, .88);
      -webkit-backdrop-filter: blur(16px);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--color-line);
      box-shadow: 0 1px 0 rgba(255,255,255,.6) inset, 0 4px 18px rgba(37,33,29,.04);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      height: 70px;
    }

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

    .logo-area:hover .logo-text {
      color: var(--color-accent);
    }

    .logo-mark {
      position: relative;
      display: inline-block;
      width: 28px;
      height: 28px;
      border: 2px solid var(--color-accent);
      border-radius: 50%;
      flex-shrink: 0;
    }

    .logo-mark::before {
      content: "";
      position: absolute;
      top: -4px;
      right: -5px;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--color-accent);
      border: 2px solid #fff;
    }

    .logo-text {
      font-size: 22px;
      font-weight: 800;
      color: var(--color-ink);
      letter-spacing: -.02em;
      transition: color .25s ease;
    }

    .main-nav {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
      margin-left: auto;
      margin-right: 18px;
    }

    .main-nav a {
      position: relative;
      display: inline-flex;
      align-items: center;
      height: 70px;
      padding: 0 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--color-ink-soft);
      white-space: nowrap;
      transition: color .25s ease;
    }

    .main-nav a:hover {
      color: var(--color-ink);
    }

    .main-nav a.is-active {
      color: var(--color-ink);
      font-weight: 700;
    }

    .main-nav a.is-active::after {
      content: "";
      position: absolute;
      bottom: 17px;
      left: 50%;
      transform: translateX(-50%);
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--color-accent);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .header-btn {
      background: var(--color-accent);
      color: #fff;
      box-shadow: 0 6px 14px rgba(176, 58, 46, .2);
    }

    .header-btn:hover {
      background: var(--color-accent-dark);
      color: #fff;
      transform: translateY(-1px);
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--color-line);
      background: #fff;
      border-radius: 10px;
      color: var(--color-ink);
      cursor: pointer;
    }

    .nav-toggle:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
    }

    /* ===== Hero ===== */
    .page-hero {
      position: relative;
      padding: clamp(56px, 7vw, 96px) 0 clamp(64px, 8vw, 104px);
      background:
        linear-gradient(105deg, rgba(34, 31, 27, .94) 0%, rgba(34, 31, 27, .82) 32%, rgba(34, 31, 27, .42) 68%, rgba(23, 21, 18, .28) 100%),
        url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      right: -90px;
      top: -120px;
      width: 320px;
      height: 320px;
      border: 1px solid rgba(255, 255, 255, .16);
      border-radius: 50%;
      pointer-events: none;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      right: 2%;
      bottom: 10%;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--color-accent);
      box-shadow: 0 0 0 6px rgba(176, 58, 46, .2);
      pointer-events: none;
    }

    .crumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 30px;
      font-size: 14px;
      color: rgba(255, 255, 255, .68);
    }

    .crumb a {
      color: rgba(255, 255, 255, .82);
    }

    .crumb a:hover {
      color: #fff;
    }

    .crumb i {
      font-size: 11px;
      color: rgba(255, 255, 255, .48);
    }

    .crumb span {
      color: #fff;
    }

    .hero-copy {
      max-width: 660px;
      color: #fff;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .12em;
      color: var(--color-ink-soft);
      text-transform: none;
      padding-left: 12px;
      border-left: 3px solid var(--color-accent);
    }

    .page-hero .eyebrow {
      color: rgba(255, 255, 255, .84);
      border-left-color: var(--color-accent);
    }

    .hero-copy h1 {
      color: #fff;
      margin-top: 18px;
      text-wrap: balance;
    }

    .hero-lead {
      font-size: 17px;
      line-height: 1.85;
      color: rgba(255, 255, 255, .8);
      max-width: 620px;
      margin: 8px 0 28px;
    }

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

    .hero-note {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-top: 30px;
      font-size: 14px;
      line-height: 1.6;
      color: rgba(255, 255, 255, .62);
    }

    .hero-note i {
      color: var(--color-accent);
      margin-top: 4px;
    }

    .hero-panel {
      background: #fff;
      border-radius: 20px;
      padding: 10px;
      box-shadow: var(--shadow-lg);
      transform: rotate(1deg);
      margin-left: auto;
      max-width: 460px;
      border: 1px solid rgba(255,255,255,.8);
    }

    .hero-panel img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      border-radius: 14px;
    }

    .hero-panel-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 14px 14px 8px;
    }

    .panel-label {
      display: inline-block;
      font-size: 12px;
      color: var(--color-ink-soft);
      margin-bottom: 4px;
      letter-spacing: .08em;
    }

    .hero-panel-foot strong {
      font-size: 16px;
      color: var(--color-ink);
    }

    .hero-badge {
      font-size: 13px;
      font-weight: 700;
      background: var(--color-muted);
      color: var(--color-accent);
      border-radius: 999px;
      padding: 5px 12px;
      flex-shrink: 0;
    }

    /* ===== 通用 Section ===== */
    .section-block {
      padding: var(--space-section) 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: clamp(38px, 5vw, 60px);
    }

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

    .section-head.center .eyebrow {
      border-left-color: transparent;
      padding-left: 0;
    }

    .section-head p {
      font-size: 17px;
      color: var(--color-ink-soft);
      margin-top: 18px;
      margin-bottom: 0;
    }

    /* ===== 场景卡 ===== */
    .scenario-grid {
      row-gap: 24px;
    }

    .scenario-card {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      padding: 30px 26px 26px;
      height: 100%;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
      overflow: hidden;
    }

    .scenario-card::after {
      content: "";
      position: absolute;
      right: -30px;
      bottom: -30px;
      width: 90px;
      height: 90px;
      border: 1px solid rgba(176, 58, 46, .16);
      border-radius: 50%;
      pointer-events: none;
    }

    .scenario-card:hover {
      transform: translateY(-3px);
      border-color: rgba(176, 58, 46, .4);
      box-shadow: var(--shadow-md);
    }

    .scenario-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 18px;
    }

    .scenario-top span {
      font-size: 30px;
      font-weight: 800;
      color: var(--color-accent);
      letter-spacing: -.03em;
    }

    .scenario-top i {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--color-muted);
      color: var(--color-accent);
      border-radius: 10px;
      font-size: 15px;
    }

    .scenario-card h3 {
      margin-bottom: 12px;
    }

    .scenario-card p {
      color: var(--color-ink-soft);
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 0;
    }

    /* ===== 分栏图文 ===== */
    .split-list {
      display: grid;
      gap: 50px;
      margin-top: 16px;
    }

    .split-item {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(24px, 5vw, 72px);
      align-items: center;
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: 20px;
      padding: clamp(18px, 3vw, 30px);
      box-shadow: var(--shadow-sm);
    }

    .split-media {
      border-radius: 14px;
      overflow: hidden;
      line-height: 0;
    }

    .split-media img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      transition: transform .5s ease;
    }

    .split-media:hover img {
      transform: scale(1.02);
    }

    .step-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .1em;
      color: var(--color-accent);
      margin-bottom: 14px;
    }

    .step-label::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-accent);
    }

    .split-copy h3 {
      margin-bottom: 12px;
    }

    .split-copy p {
      color: var(--color-ink-soft);
    }

    .check-list {
      margin-top: 18px;
      display: grid;
      gap: 10px;
    }

    .check-list li {
      list-style: none;
      display: flex;
      align-items: flex-start;
      gap: 9px;
      font-size: 15px;
      line-height: 1.7;
      color: var(--color-ink-soft);
    }

    .check-list i {
      color: var(--color-accent);
      margin-top: 6px;
      font-size: 12px;
    }

    /* ===== 流程时间轴 ===== */
    .section-night {
      background: var(--color-night);
      color: #fff;
    }

    .section-night h2 {
      color: #fff;
    }

    .section-night .section-head p {
      color: rgba(255, 255, 255, .72);
    }

    .section-night .eyebrow {
      color: rgba(255, 255, 255, .82);
      border-left-color: var(--color-accent);
    }

    .process-timeline {
      position: relative;
      max-width: 820px;
      margin: 0 auto;
      padding-left: 42px;
      list-style: none;
    }

    .process-timeline::before {
      content: "";
      position: absolute;
      left: 13px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: rgba(255, 255, 255, .24);
      border-radius: 999px;
    }

    .process-item {
      position: relative;
      padding: 0 0 30px;
    }

    .process-item::before {
      content: "";
      position: absolute;
      left: -40px;
      top: 8px;
      width: 16px;
      height: 16px;
      background: var(--color-accent);
      border: 4px solid rgba(255, 255, 255, .24);
      border-radius: 50%;
      box-sizing: border-box;
    }

    .process-item:last-child::after {
      content: "";
      position: absolute;
      bottom: 0;
    }

    .process-card {
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: var(--radius);
      padding: 22px 26px;
      transition: background .25s ease, border-color .25s ease, transform .25s ease;
    }

    .process-card:hover {
      background: rgba(255, 255, 255, .1);
      border-color: rgba(176, 58, 46, .5);
      transform: translateY(-2px);
    }

    .process-head {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 8px;
    }

    .process-head span {
      display: inline-flex;
      width: 34px;
      height: 34px;
      align-items: center;
      justify-content: center;
      background: var(--color-accent);
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      border-radius: 9px;
    }

    .process-head h3 {
      color: #fff;
      margin-bottom: 0;
      font-size: 18px;
    }

    .process-card p {
      color: rgba(255, 255, 255, .72);
      margin-bottom: 0;
      font-size: 15px;
    }

    .process-cta {
      text-align: center;
      margin-top: 34px;
    }

    /* ===== 材料准备区 ===== */
    .prep-layout {
      display: grid;
      grid-template-columns: 46% 1fr;
      gap: clamp(30px, 5vw, 66px);
      align-items: center;
    }

    .prep-media {
      position: relative;
      border-radius: 20px;
      overflow: hidden;
      line-height: 0;
    }

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

    .prep-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(200deg, transparent 65%, rgba(34, 31, 27, .48));
      pointer-events: none;
    }

    .prep-content h2 {
      margin-bottom: 14px;
    }

    .prep-content > p {
      color: var(--color-ink-soft);
      margin-bottom: 22px;
    }

    .prep-list {
      display: grid;
      gap: 4px;
      margin-top: 8px;
    }

    .prep-list li {
      list-style: none;
      display: flex;
      gap: 12px;
      align-items: flex-start;
      border-bottom: 1px dashed var(--color-line);
      padding: 13px 0;
    }

    .prep-list i {
      width: 24px;
      height: 24px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--color-muted);
      color: var(--color-accent);
      border-radius: 8px;
      font-size: 12px;
      flex-shrink: 0;
    }

    .prep-list li span {
      font-weight: 700;
      display: block;
    }

    .prep-list li p {
      color: var(--color-ink-soft);
      font-size: 14px;
      margin: 2px 0 0;
    }

    .note-tip {
      margin-top: 20px;
      background: var(--color-surface);
      border-left: 3px solid var(--color-accent);
      border-radius: 0 10px 10px 0;
      box-shadow: var(--shadow-sm);
      padding: 15px 18px;
      font-size: 15px;
      color: var(--color-ink-soft);
    }

    .note-tip strong {
      color: var(--color-ink);
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 900px;
      margin: 0 auto;
      display: grid;
      gap: 14px;
    }

    .faq-item {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: box-shadow .25s ease, border-color .25s ease;
    }

    .faq-item:hover {
      box-shadow: var(--shadow-md);
    }

    .faq-item[open] {
      border-color: rgba(176, 58, 46, .35);
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 24px;
      font-size: 17px;
      font-weight: 700;
      line-height: 1.4;
      cursor: pointer;
      -webkit-user-select: none;
      user-select: none;
    }

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

    .faq-item summary i {
      width: 34px;
      height: 34px;
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: var(--color-muted);
      color: var(--color-accent);
      font-size: 14px;
      transition: transform .3s ease, background .3s ease, color .3s ease;
    }

    .faq-item[open] summary i {
      transform: rotate(135deg);
      background: var(--color-accent);
      color: #fff;
    }

    .faq-answer {
      padding: 0 24px 22px;
      color: var(--color-ink-soft);
      font-size: 15px;
      max-width: 820px;
    }

    .faq-answer a {
      color: var(--color-accent);
      font-weight: 600;
    }

    /* ===== 底部 CTA / 表单 ===== */
    .cta-section {
      position: relative;
      background:
        radial-gradient(600px 260px at 12% 20%, rgba(176, 58, 46, .18), transparent 70%),
        radial-gradient(420px 280px at 95% 88%, rgba(176, 58, 46, .12), transparent 60%),
        var(--color-night);
      color: #fff;
      padding: clamp(70px, 9vw, 120px) 0;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      left: 4%;
      top: 8%;
      width: 84px;
      height: 84px;
      border: 1px solid rgba(255, 255, 255, .08);
      border-radius: 50%;
      pointer-events: none;
    }

    .cta-section::after {
      content: "";
      position: absolute;
      right: 10%;
      bottom: 10%;
      width: 10px;
      height: 10px;
      background: var(--color-accent);
      border-radius: 50%;
      box-shadow: 0 0 0 7px rgba(176, 58, 46, .2);
      pointer-events: none;
    }

    .cta-layout {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(32px, 5vw, 70px);
      align-items: center;
    }

    .cta-copy .eyebrow {
      color: rgba(255, 255, 255, .8);
    }

    .cta-copy h2 {
      color: #fff;
      margin: 16px 0 16px;
    }

    .cta-copy > p {
      color: rgba(255, 255, 255, .72);
      font-size: 16px;
      margin-bottom: 24px;
    }

    .cta-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .cta-points li {
      list-style: none;
      display: flex;
      gap: 8px;
      align-items: center;
      color: rgba(255, 255, 255, .85);
      font-size: 15px;
    }

    .cta-points i {
      color: var(--color-accent);
      font-size: 13px;
    }

    .form-card {
      background: var(--color-surface);
      border-radius: 20px;
      padding: clamp(24px, 3.6vw, 42px);
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255,255,255,.2);
    }

    .form-card h3 {
      color: var(--color-ink);
      margin-bottom: 6px;
    }

    .form-card > p {
      color: var(--color-ink-soft);
      font-size: 14px;
      margin-bottom: 24px;
    }

    .form-row {
      row-gap: 18px;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 700;
      color: var(--color-ink);
      margin-bottom: 7px;
    }

    .form-group label span {
      color: var(--color-accent);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      border: 1px solid var(--color-line);
      border-radius: 10px;
      background: #fff;
      padding: 12px 14px;
      font-family: inherit;
      font-size: 15px;
      color: var(--color-ink);
      transition: border-color .25s ease, box-shadow .25s ease;
      outline: none;
    }

    .form-group textarea {
      min-height: 116px;
      resize: vertical;
      line-height: 1.6;
    }

    .form-group input::placeholder,
    .form-group textarea::placeholder {
      color: #aaa59d;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--color-accent);
      box-shadow: 0 0 0 3px rgba(176, 58, 46, .14);
    }

    .form-submit {
      width: 100%;
      margin-top: 4px;
    }

    .form-hint {
      font-size: 13px;
      color: var(--color-ink-soft);
      text-align: center;
      margin-top: 14px;
    }

    .form-hint i {
      color: var(--color-accent);
      margin-right: 4px;
    }

    .form-feedback {
      display: none;
      margin-top: 16px;
      padding: 14px 16px;
      border-radius: 10px;
      font-size: 14px;
      line-height: 1.6;
    }

    .form-feedback.success {
      display: block;
      background: #f1f5ed;
      color: #356b4c;
      border-left: 3px solid #4e9b71;
    }

    .form-feedback.error {
      display: block;
      background: #fbeeee;
      color: #94403a;
      border-left: 3px solid var(--color-accent);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--color-night);
      color: rgba(255, 255, 255, .76);
      padding-top: 64px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.3fr .8fr .8fr;
      gap: 44px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .footer-brand p {
      margin-top: 14px;
      font-size: 14px;
      line-height: 1.9;
      color: rgba(255, 255, 255, .64);
      max-width: 360px;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      padding: 22px 0;
      font-size: 13px;
      color: rgba(255, 255, 255, .42);
    }

    .footer-bottom p {
      margin: 0;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      margin-bottom: 14px;
      font-weight: 700;
    }

    .footer-links {
      display: grid;
      gap: 8px;
      list-style: none;
    }

    .footer-links a {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: rgba(255, 255, 255, .68);
      font-size: 14px;
      transition: color .25s ease, padding-left .25s ease;
    }

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

    .footer-links a i {
      font-size: 10px;
      color: var(--color-accent);
    }

    .footer-icon i {
      margin-right: 4px;
      color: var(--color-accent);
    }

    .site-footer .logo-text {
      color: #fff;
    }

    .site-footer .logo-mark {
      border-color: #fff;
    }

    .site-footer .logo-mark::before {
      border-color: var(--color-night);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1023px) {
      .main-nav {
        gap: 0;
        margin-right: 0;
      }

      .main-nav a {
        padding: 0 10px;
      }

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

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

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

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

      .cta-copy .eyebrow {
        color: rgba(255, 255, 255, .8);
      }

      .form-card {
        max-width: 680px;
      }
    }

    @media (max-width: 900px) {
      .header-inner {
        height: 64px;
      }

      body {
        padding-top: 64px;
      }

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

      .header-btn {
        display: none;
      }

      .main-nav {
        position: absolute;
        top: 72px;
        left: 16px;
        right: 16px;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        border: 1px solid var(--color-line);
        border-radius: 14px;
        box-shadow: var(--shadow-lg);
        padding: 10px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-6px);
        pointer-events: none;
        transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
        z-index: 90;
      }

      .main-nav.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
      }

      .main-nav a {
        display: flex;
        height: auto;
        padding: 12px 14px;
        border-radius: 9px;
        font-size: 15px;
        line-height: 1.4;
        white-space: normal;
        color: var(--color-ink-soft);
      }

      .main-nav a.is-active {
        background: var(--color-muted);
        color: var(--color-ink);
      }

      .main-nav a.is-active::after {
        display: none;
      }

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

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 640px) {
      .container {
        padding: 0 20px;
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

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

      .hero-panel {
        transform: none;
        margin-top: 26px;
      }

      .section-head h2 {
        letter-spacing: -.01em;
      }

      .process-timeline {
        padding-left: 34px;
      }

      .process-item::before {
        left: -32px;
        width: 13px;
        height: 13px;
      }

      .process-timeline::before {
        left: 11px;
      }

      .process-card {
        padding: 18px 18px;
      }

      .scenario-card {
        padding: 22px 18px;
      }

      .faq-item summary {
        padding: 16px 16px;
        font-size: 15px;
      }

      .faq-answer {
        padding: 0 16px 18px;
      }

      .form-card {
        padding: 20px 18px;
      }

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

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

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

      .split-item {
        padding: 16px;
      }

      .split-media img {
        aspect-ratio: 4 / 3;
      }

      .form-row .cell {
        padding: 0 8px;
      }
    }

    @media (max-width: 420px) {
      .logo-area .logo-text {
        font-size: 20px;
      }

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

      .btn-large {
        min-height: 48px;
        font-size: 15px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        transition: none !important;
        animation: none !important;
      }
    }