/* roulang page: index */
:root {
  --bg: #F6F2EA;
  --surface: #FFFFFF;
  --ink: #211B17;
  --muted: #85796C;
  --primary: #7A1B2B;
  --primary-rgb: 122, 27, 43;
  --primary-hover: #922639;
  --accent: #B9935A;
  --accent-soft: rgba(185, 147, 90, 0.12);
  --success: #5D6B52;
  --line: #EBE3D6;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --shadow-1: 0 8px 30px rgba(33, 27, 23, 0.08);
  --shadow-2: 0 20px 60px rgba(33, 27, 23, 0.14);
  --font-head: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  --font-body: "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: all 0.25s ease; }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-head); line-height: 1.4; }
.container { max-width: 1280px; }
.section-block { padding: 96px 0; }

/* ===== Buttons ===== */
.btn-brand {
  background: var(--primary);
  border: 2px solid var(--accent);
  border-radius: 12px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.25);
  transition: all 0.3s ease;
}
.btn-brand:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(var(--primary-rgb), 0.35);
  border-color: var(--accent);
}
.btn-brand:active { transform: translateY(0); }
.btn-outline-brand {
  background: var(--surface);
  border: 2px solid var(--accent);
  border-radius: 12px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
}
.btn-outline-brand:hover {
  background: var(--accent-soft);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-light-cta {
  background: #fff;
  border: 2px solid #fff;
  border-radius: 12px;
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.btn-light-cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(246, 242, 234, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(235, 227, 214, 0.7);
}
.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 78px;
  position: relative;
}
.nav-area { display: flex; align-items: center; gap: 30px; }
.nav-left { justify-content: flex-start; }
.nav-right { justify-content: flex-end; gap: 26px; }
.nav-entry {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 6px 2px;
}
.nav-entry::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  border-radius: 2px;
  transition: width 0.3s ease;
}
.nav-entry:hover { color: var(--primary); }
.nav-entry:hover::after { width: 100%; }
.nav-entry.active { color: var(--primary); }
.nav-entry.active::after { width: 100%; }
.brand-center {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  padding: 0 16px;
}
.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #d4b47a);
  color: #fff;
  font-family: var(--font-head);
  font-size: 22px;
  font-style: italic;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(185, 147, 90, 0.35);
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.brand-sub {
  font-size: 8px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  font-family: var(--font-body);
}
.btn-nav {
  padding: 9px 20px;
  font-size: 14px;
  border-radius: 10px;
  margin-left: 8px;
}
.navbar-toggler {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  z-index: 1060;
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(185, 147, 90, 0.3); outline: none; }
.toggler-bar { width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: all 0.3s; }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1040;
  background: var(--bg);
  padding: 96px 32px 40px;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-nav { display: flex; flex-direction: column; gap: 6px; }
.mobile-nav-link {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  padding: 14px 8px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-nav-link:hover { color: var(--primary); padding-left: 14px; }
.mobile-nav-link.active { color: var(--primary); font-weight: 600; }
.mobile-login-btn { margin-top: 32px; width: 100%; }

/* ===== Hero ===== */
.hero-section {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  border-radius: var(--radius-lg);
  margin: 40px 0 0;
  overflow: hidden;
  min-height: 620px;
  display: flex;
  align-items: center;
}
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(246, 242, 234, 0.96) 10%, rgba(246, 242, 234, 0.82) 40%, rgba(246, 242, 234, 0.45) 75%, rgba(246, 242, 234, 0.2) 100%);
}
.hero-section .container { position: relative; z-index: 2; padding: 64px 0; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--accent), #d4b47a);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero-title {
  font-size: 46px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  margin-bottom: 18px;
  line-height: 1.3;
}
.hero-subtitle {
  font-size: 16px;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.stat-item {
  background: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 14px rgba(33, 27, 23, 0.06);
  border: 1px solid rgba(235, 227, 214, 0.6);
}
.stat-num {
  font-family: Georgia, var(--font-head);
  font-size: 28px;
  font-style: italic;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.stat-label { font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ===== Login Card ===== */
.login-card {
  background: var(--surface);
  border-radius: 16px;
  box-shadow: var(--shadow-2);
  padding: 32px 30px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  border: 1px solid rgba(235, 227, 214, 0.5);
}
.hot-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: linear-gradient(135deg, var(--accent), #d4b47a);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(185, 147, 90, 0.35);
}
.login-title {
  font-size: 20px;
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.form-label { font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.form-control {
  border: 1px solid var(--line) !important;
  border-radius: 10px !important;
  padding: 12px 14px !important;
  font-size: 14px !important;
  background: #fff !important;
  transition: all 0.2s;
}
.form-control:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 0.25rem rgba(185, 147, 90, 0.15) !important;
}
.form-control::placeholder { color: #c8bfb0; }
.login-btn { width: 100%; margin-top: 8px; padding: 13px; font-size: 15px; }
.login-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
}
.login-link { font-size: 13px; color: var(--muted); position: relative; }
.login-link:hover { color: var(--primary); }
.login-dot { font-size: 13px; color: var(--line); }

/* ===== Section Head ===== */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 44px;
}
.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  position: relative;
  padding-left: 18px;
  line-height: 1.4;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 26px;
  background: linear-gradient(180deg, var(--accent), #d4b47a);
  border-radius: 4px;
}
.section-title.centered { padding-left: 0; }
.section-title.centered::before { display: none; }
.section-more {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  position: relative;
  padding-bottom: 4px;
}
.section-more::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.section-more:hover { color: var(--primary); }
.section-more:hover::after { width: 100%; }
.section-more i { font-style: normal; transition: transform 0.3s; }
.section-more:hover i { transform: translateX(4px); }
.text-center .section-title { justify-content: center; }

/* ===== Product Grid ===== */
.product-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  border: 1px solid rgba(235, 227, 214, 0.4);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2);
  border-color: rgba(185, 147, 90, 0.3);
}
.product-img {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, #f3ede2, #ede4d3);
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.product-card:hover .product-img img { transform: scale(1.05); }
.product-info { padding: 20px 20px 8px; flex: 1; }
.product-cat {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}
.product-name {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-price {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
}
.product-btn {
  margin: 14px 20px 20px;
  border-radius: 10px;
  padding: 10px;
  font-size: 14px;
  width: calc(100% - 40px);
}

/* ===== News Section ===== */
.news-section {
  background: var(--surface);
  border-radius: var(--radius-lg);
  margin-top: 40px;
}
.news-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  height: 100%;
  background: #fff;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.news-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.4s ease;
}
.news-card:hover { box-shadow: var(--shadow-1); transform: translateY(-3px); }
.news-card:hover::after { width: 100%; }
.news-date {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), #d4b47a);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  font-family: Georgia, var(--font-head);
  border-radius: 8px;
  padding: 4px 14px;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}
.news-cat {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  transition: color 0.2s;
}
.news-cat:hover { color: var(--primary); }
.news-title {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-title a { color: var(--ink); }
.news-title a:hover { color: var(--primary); }
.news-excerpt {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0;
}
.news-footer { text-align: center; margin-top: 44px; }
.link-underline {
  font-size: 14px;
  color: var(--primary);
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.news-empty {
  border: 2px dashed var(--line);
  border-radius: var(--radius-md);
  background: rgba(235, 227, 214, 0.35);
  padding: 70px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}
.news-empty-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

/* ===== Testimonials ===== */
.testimonial-section .container { max-width: 1000px; }
.testimonial-wrap { position: relative; padding: 0 8px 20px; }
.testimonial-card {
  background: var(--surface);
  border-radius: 24px;
  padding: 48px 56px;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  box-shadow: var(--shadow-1);
  border: 1px solid rgba(235, 227, 214, 0.5);
}
.testimonial-stars {
  color: var(--accent);
  font-size: 18px;
  letter-spacing: 6px;
  margin-bottom: 18px;
}
.testimonial-text {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 620px;
  margin: 0 auto 28px;
}
.testimonial-user {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}
.user-name { font-size: 14px; font-weight: 600; color: var(--ink); }
.user-city { font-size: 12px; color: var(--muted); }
.testimonial-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--surface);
  opacity: 1;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
  transition: all 0.25s;
}
.testimonial-arrow:hover { background: var(--accent-soft); border-color: var(--primary); color: var(--primary); }
.testimonial-arrow.left { left: -10px; }
.testimonial-arrow.right { right: -10px; }
.carousel-indicators.testimonial-dots { margin-bottom: 0; }
.carousel-indicators.testimonial-dots [data-bs-target] {
  width: 6px;
  height: 6px;
  border-radius: 6px;
  background: var(--accent);
  opacity: 0.4;
  border: 0;
  transition: all 0.3s;
}
.carousel-indicators.testimonial-dots .active {
  width: 18px;
  border-radius: 6px;
  background: var(--primary);
  opacity: 1;
}

/* ===== Guarantee ===== */
.guarantee-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 16px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-md);
  height: 100%;
  border: 1px solid rgba(235, 227, 214, 0.4);
  transition: all 0.25s;
}
.guarantee-item:hover { background: var(--surface); box-shadow: var(--shadow-1); }
.guarantee-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.guarantee-title { font-size: 14px; font-weight: 700; color: var(--ink); }
.guarantee-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ===== CTA ===== */
.cta-section-wrap { padding-top: 40px; }
.cta-section {
  position: relative;
  background: linear-gradient(135deg, var(--primary) 0%, #211B17 100%);
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.cta-title { font-size: 28px; font-weight: 700; margin-bottom: 14px; color: #fff; }
.cta-subtitle { font-size: 14px; color: rgba(255, 255, 255, 0.7); margin-bottom: 30px; }

/* ===== FAQ ===== */
.faq-section { padding-top: 40px; }
.faq-section .container { max-width: 960px; }
.accordion-item {
  background: var(--surface);
  border: 1px solid var(--line) !important;
  border-radius: 14px !important;
  margin-bottom: 14px;
  box-shadow: 0 2px 10px rgba(33, 27, 23, 0.03);
  overflow: hidden;
}
.accordion-button {
  background: var(--surface);
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  padding: 18px 24px;
  border: none;
  box-shadow: none !important;
  position: relative;
}
.accordion-button:not(.collapsed) {
  background: var(--accent-soft);
  color: var(--primary);
}
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(185, 147, 90, 0.2) !important; }
.accordion-button::after {
  background-image: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--accent-soft);
  color: var(--primary);
  content: "+";
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.accordion-button:not(.collapsed)::after {
  background-image: none;
  content: "−";
  background-color: var(--primary);
  color: #fff;
}
.accordion-body {
  padding: 4px 24px 22px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  margin-top: 96px;
  padding-top: 64px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}
.footer-brand {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}
.footer-social { display: flex; gap: 12px; }
.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  transition: all 0.25s;
}
.social-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(185, 147, 90, 0.1); }
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding: 44px 0;
}
.footer-col h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
  font-family: var(--font-body);
}
.footer-col a, .footer-col span {
  display: block;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 22px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .nav-area { display: none; }
  .navbar-toggler { display: flex; position: absolute; right: 0; top: 50%; transform: translateY(-50%); }
  .header-inner { display: flex; justify-content: center; align-items: center; height: 70px; }
  .brand-center { padding: 0; }
  .brand-name { font-size: 19px; }
  .hero-title { font-size: 34px; }
  .hero-section { min-height: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 767px) {
  .section-block { padding: 56px 0; }
  .site-header { border-radius: 0; }
  .brand-icon { width: 36px; height: 36px; font-size: 18px; }
  .brand-name { font-size: 16px; }
  .brand-sub { font-size: 7px; }
  .hero-section { margin: 16px 0 0; border-radius: 20px; }
  .hero-section .container { padding: 40px 0; }
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 14px; }
  .hero-actions .btn-brand, .hero-actions .btn-outline-brand { padding: 10px 20px; font-size: 14px; }
  .stat-item { padding: 8px 12px; }
  .stat-num { font-size: 22px; }
  .section-title { font-size: 24px; }
  .section-head { margin-bottom: 30px; flex-wrap: wrap; }
  .testimonial-card { padding: 32px 24px; }
  .testimonial-arrow.left { left: -4px; }
  .testimonial-arrow.right { right: -4px; }
  .cta-section { padding: 48px 24px; }
  .cta-title { font-size: 22px; }
  .guarantee-item { padding: 16px 12px; gap: 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .news-section { margin-top: 24px; }
  .site-footer { margin-top: 56px; }
}

@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 8px; }
  .stat-item { flex-direction: column; text-align: center; gap: 4px; padding: 10px; }
  .stat-num { font-size: 20px; }
  .stat-label { font-size: 11px; }
  .login-card { padding: 26px 20px; }
  .login-links { flex-wrap: wrap; }
  .section-more { font-size: 13px; }
}

@media (max-width: 380px) {
  .brand-name { font-size: 14px; }
  .brand-icon { display: none; }
}

/* roulang page: article */
:root {
            --bg: #F6F2EA;
            --surface: #FFFFFF;
            --ink: #211B17;
            --muted: #85796C;
            --primary: #7A1B2B;
            --primary-rgb: 122, 27, 43;
            --primary-hover: #922639;
            --accent: #B9935A;
            --accent-soft: rgba(185, 147, 90, 0.12);
            --success: #5D6B52;
            --line: #EBE3D6;
            --radius-lg: 28px;
            --radius-md: 18px;
            --radius-sm: 10px;
            --shadow-1: 0 8px 30px rgba(33, 27, 23, 0.08);
            --shadow-2: 0 20px 60px rgba(33, 27, 23, 0.14);
            --font-head: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-body: "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.8;
            font-size: 15px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: var(--ink);
            transition: color .25s ease;
        }

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

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

        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding: 96px 0;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-head);
            font-weight: 700;
            color: var(--ink);
            line-height: 1.35;
        }

        .btn-brand {
            background: var(--primary);
            border: 2px solid var(--accent);
            color: #fff;
            border-radius: 12px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            transition: all .3s ease;
            display: inline-block;
        }

        .btn-brand:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-1);
        }

        .btn-outline {
            background: var(--surface);
            border: 2px solid var(--accent);
            color: var(--ink);
            border-radius: 12px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            transition: all .3s ease;
            display: inline-block;
        }

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

        .btn-nav {
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
        }

        /* ===== Header ===== */
        .site-header {
            background: rgba(246, 242, 234, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 10px 0;
            box-shadow: 0 2px 16px rgba(33, 27, 23, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .nav-area {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .nav-left {
            margin-right: auto;
            padding-left: 16px;
        }

        .nav-right {
            margin-left: auto;
            padding-right: 16px;
        }

        .nav-entry {
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 2px;
            position: relative;
            letter-spacing: 0.02em;
        }

        .nav-entry::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--primary));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
        }

        .nav-entry:hover::after,
        .nav-entry.active::after {
            transform: scaleX(1);
        }

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

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

        .brand-center {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            align-items: center;
            gap: 10px;
            z-index: 2;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--surface);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-head);
            font-size: 21px;
            font-weight: 700;
            font-style: italic;
            box-shadow: 0 4px 14px rgba(185, 147, 90, 0.4);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }

        .brand-name {
            font-family: var(--font-head);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--ink);
            white-space: nowrap;
        }

        .brand-sub {
            font-size: 8px;
            letter-spacing: 0.2em;
            color: var(--muted);
            text-transform: uppercase;
            margin-top: 2px;
        }

        .navbar-toggler {
            display: none;
            background: transparent;
            border: none;
            padding: 8px;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
            position: absolute;
            right: 12px;
        }

        .navbar-toggler .toggler-bar {
            width: 24px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all .3s ease;
        }

        /* ===== Mobile Menu ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            inset: 0;
            background: var(--bg);
            z-index: 9999;
            padding: 100px 30px 40px;
            opacity: 0;
            pointer-events: none;
            transition: opacity .4s ease;
        }

        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-inner {
            max-width: 480px;
            margin: 0 auto;
        }

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-entry {
            font-size: 18px;
            font-weight: 600;
            padding: 14px 0;
            border-bottom: 1px solid var(--line);
            color: var(--ink);
        }

        .mobile-nav-entry:hover {
            color: var(--primary);
            padding-left: 8px;
        }

        .mobile-nav .btn-nav {
            margin-top: 24px;
            text-align: center;
            width: 100%;
        }

        .mobile-menu-close {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 32px;
            line-height: 1;
            color: var(--ink);
            background: none;
            border: none;
            cursor: pointer;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 72px 0 48px;
            background: linear-gradient(135deg, rgba(246, 242, 234, 0.92) 0%, rgba(255, 255, 255, 0.96) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid var(--line);
        }

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

        .breadcrumb-nav a {
            color: var(--muted);
        }

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

        .breadcrumb-nav .sep {
            color: var(--line);
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 500;
            max-width: 380px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-hero .article-title {
            font-family: var(--font-head);
            font-size: 34px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--ink);
            margin: 0 0 18px;
            max-width: 720px;
            letter-spacing: 0.02em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 20px;
        }

        .article-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        .meta-divider {
            width: 64px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--primary));
            border-radius: 2px;
            margin-top: 8px;
        }

        /* ===== Article Body ===== */
        .article-content-section {
            padding: 64px 0 72px;
            background: var(--surface);
        }

        .article-body {
            max-width: 680px;
            margin: 0 auto;
            font-size: 15px;
            line-height: 1.9;
            color: var(--ink);
        }

        .article-body p {
            margin-bottom: 24px;
        }

        .article-body h2 {
            font-size: 24px;
            font-family: var(--font-head);
            margin: 40px 0 16px;
            padding-top: 8px;
            position: relative;
        }

        .article-body h2::before {
            content: "";
            display: inline-block;
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            vertical-align: middle;
            margin-right: 10px;
        }

        .article-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 32px 0 12px;
        }

        .article-body img {
            border-radius: 16px;
            box-shadow: var(--shadow-1);
            margin: 28px 0;
            width: 100%;
            height: auto;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--accent-soft);
            padding: 18px 22px;
            border-radius: 12px;
            margin: 28px 0;
            font-style: italic;
            color: var(--ink);
        }

        .article-body ul,
        .article-body ol {
            padding-left: 20px;
            margin-bottom: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: 14px;
        }

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

        .article-body table th {
            background: var(--accent-soft);
            font-weight: 600;
        }

        .article-body pre {
            background: var(--ink);
            color: var(--bg);
            padding: 20px;
            border-radius: 12px;
            overflow-x: auto;
            font-size: 13px;
            line-height: 1.6;
            margin: 24px 0;
        }

        .article-body code {
            font-family: monospace;
            font-size: 0.9em;
        }

        .article-body hr {
            border: 0;
            border-top: 1px solid var(--line);
            margin: 36px 0;
        }

        /* ===== Article Empty ===== */
        .article-empty {
            text-align: center;
            padding: 64px 24px;
            border: 2px dashed var(--line);
            border-radius: var(--radius-md);
            background: var(--bg);
        }

        .article-empty .empty-icon {
            font-size: 48px;
            margin-bottom: 16px;
            color: var(--accent);
        }

        .article-empty h2 {
            font-size: 22px;
            margin-bottom: 8px;
        }

        .article-empty p {
            color: var(--muted);
            margin-bottom: 24px;
        }

        /* ===== Article Tags ===== */
        .article-tags {
            max-width: 680px;
            margin: 48px auto 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            border-top: 1px solid var(--line);
            padding-top: 32px;
        }

        .tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 30px;
            background: var(--surface);
            border: 1px solid var(--accent);
            font-size: 12px;
            color: var(--ink);
            transition: all .25s ease;
        }

        .tag:hover {
            background: var(--accent-soft);
            color: var(--primary);
        }

        .back-link {
            margin-left: auto;
            font-size: 13px;
            color: var(--muted);
            transition: color .25s ease;
        }

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

        /* ===== Related Section ===== */
        .related-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .related-section .section-title {
            font-family: var(--font-head);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .related-section .section-title::before {
            content: "";
            width: 4px;
            height: 22px;
            background: var(--accent);
            border-radius: 2px;
        }

        .related-section .section-sub {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 40px;
        }

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

        .related-card {
            display: flex;
            gap: 16px;
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: var(--shadow-1);
            transition: all .3s ease;
            border: 1px solid var(--line);
            align-items: center;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-2);
            border-color: var(--accent);
        }

        .related-card img {
            width: 120px;
            height: 90px;
            object-fit: cover;
            border-radius: 12px;
            flex-shrink: 0;
        }

        .related-card .related-info {
            min-width: 0;
        }

        .related-card .related-cat {
            font-size: 11px;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 4px;
        }

        .related-card .related-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 6px;
            color: var(--ink);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .related-title:hover {
            color: var(--primary);
        }

        .related-card .related-desc {
            font-size: 13px;
            color: var(--muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.5;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--surface);
            border-top: 1px solid var(--line);
        }

        .faq-section .section-title {
            font-family: var(--font-head);
            font-size: 28px;
            margin-bottom: 8px;
            text-align: center;
        }

        .faq-section .section-sub {
            text-align: center;
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 40px;
        }

        .faq-wrap {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            border: 1px solid var(--line);
            overflow: hidden;
            transition: border-color .3s ease;
        }

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

        .faq-item summary {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            color: var(--ink);
        }

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

        .faq-item summary::after {
            content: "+";
            font-size: 22px;
            font-weight: 400;
            color: var(--accent);
            flex-shrink: 0;
            transition: transform .3s ease;
            line-height: 1;
        }

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

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .cta-card {
            background: linear-gradient(135deg, var(--primary) 0%, var(--ink) 100%);
            border-radius: var(--radius-lg);
            padding: 64px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-2);
        }

        .cta-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

        .cta-card h2 {
            color: #fff;
            font-size: 26px;
            margin-bottom: 12px;
            font-family: var(--font-head);
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            margin-bottom: 28px;
        }

        .cta-card .btn-cta {
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 14px 40px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            display: inline-block;
            transition: all .3s ease;
        }

        .cta-card .btn-cta:hover {
            background: var(--accent);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #211B17;
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 0;
            font-size: 13px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-brand {
            font-family: var(--font-head);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .social-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            transition: all .3s ease;
        }

        .social-btn:hover {
            background: var(--accent);
            color: var(--ink);
            transform: translateY(-2px);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding: 48px 0 40px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 18px;
            font-family: var(--font-body);
        }

        .footer-col a,
        .footer-col span {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            font-size: 13px;
            line-height: 1.6;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .nav-area {
                display: none;
            }

            .navbar-toggler {
                display: flex;
            }

            .brand-name {
                font-size: 17px;
            }

            .article-hero .article-title {
                font-size: 28px;
            }

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

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

        @media (min-width: 992px) {
            .mobile-menu {
                display: none !important;
            }
        }

        @media (max-width: 767px) {
            .section-pad {
                padding: 56px 0;
            }

            .article-hero {
                padding: 48px 0 32px;
            }

            .article-hero .article-title {
                font-size: 24px;
            }

            .article-meta {
                gap: 10px;
                font-size: 12px;
            }

            .article-content-section {
                padding: 40px 0 56px;
            }

            .article-body {
                font-size: 14px;
            }

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

            .article-tags {
                margin-top: 32px;
                gap: 8px;
            }

            .back-link {
                margin-left: 0;
                width: 100%;
                text-align: center;
                margin-top: 8px;
            }

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

            .related-card img {
                width: 80px;
                height: 60px;
            }

            .related-section,
            .faq-section,
            .cta-section {
                padding: 56px 0;
            }

            .cta-card {
                padding: 48px 24px;
            }

            .cta-card h2 {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
                padding: 32px 0 24px;
            }

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

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

            .brand-sub {
                font-size: 7px;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

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

            .article-meta .meta-dot {
                display: none;
            }

            .related-card {
                flex-direction: row;
            }

            .related-card img {
                width: 80px;
                height: 60px;
            }

            .related-card .related-desc {
                display: none;
            }

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

            .footer-col {
                margin-bottom: 8px;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --bg: #F6F2EA;
            --surface: #FFFFFF;
            --ink: #211B17;
            --muted: #85796C;
            --primary: #7A1B2B;
            --primary-rgb: 122, 27, 43;
            --primary-hover: #922639;
            --accent: #B9935A;
            --accent-soft: rgba(185, 147, 90, 0.12);
            --success: #5D6B52;
            --line: #EBE3D6;
            --radius-lg: 28px;
            --radius-md: 18px;
            --radius-sm: 10px;
            --shadow-1: 0 8px 30px rgba(33, 27, 23, 0.08);
            --shadow-2: 0 20px 60px rgba(33, 27, 23, 0.14);
            --font-head: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-body: "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", sans-serif;
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.8;
            color: var(--ink);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-head);
            line-height: 1.35;
            margin-top: 0;
            color: var(--ink);
        }

        p {
            margin-top: 0;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (min-width: 576px) {
            .container {
                max-width: 1280px;
            }
        }
        @media (min-width: 768px) {
            .container {
                max-width: 1280px;
            }
        }
        @media (min-width: 992px) {
            .container {
                max-width: 1280px;
            }
        }
        @media (min-width: 1200px) {
            .container {
                max-width: 1280px;
            }
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ========== 导航栏 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(246, 242, 234, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            position: relative;
            gap: 20px;
        }

        .nav-area {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }

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

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

        .nav-entry {
            padding: 8px 16px;
            font-size: 14px;
            color: var(--ink);
            border-radius: var(--radius-sm);
            font-weight: 500;
            position: relative;
            white-space: nowrap;
            transition: color .2s ease, background .2s ease;
        }

        .nav-entry:hover {
            color: var(--primary);
            background: rgba(122, 27, 43, 0.05);
        }

        .nav-entry::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), transparent);
            border-radius: 2px;
            opacity: 0;
            transform: scaleX(0.4);
            transition: opacity .25s ease, transform .25s ease;
        }

        .nav-entry:hover::after,
        .nav-entry.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

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

        .brand-center {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 8px 10px;
            flex-shrink: 0;
            transition: transform .3s ease;
        }

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

        .brand-center:hover .brand-name {
            color: var(--primary);
        }

        .brand-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            border-radius: 50%;
            font-family: var(--font-head);
            font-size: 22px;
            font-weight: 700;
            box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.3), var(--shadow-1);
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-name {
            font-family: var(--font-head);
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.02em;
            transition: color .25s ease;
            white-space: nowrap;
        }

        .brand-sub {
            font-size: 9px;
            letter-spacing: 0.22em;
            color: var(--muted);
            text-transform: uppercase;
            margin-top: 2px;
            white-space: nowrap;
        }

        /* ========== 按钮 ========== */
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 500;
            transition: all .25s ease;
            line-height: 1.5;
        }

        .btn-brand {
            background: var(--primary);
            border: 2px solid var(--accent);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.25);
        }

        .btn-brand:hover {
            background: var(--primary-hover);
            border-color: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.32);
        }

        .btn-brand.btn-nav {
            padding: 8px 20px;
            font-size: 14px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--surface);
            border: 2px solid var(--accent);
            color: var(--ink);
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-weight: 600;
        }

        .btn-outline:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-1);
        }

        /* ========== 移动端菜单 ========== */
        .navbar-toggler {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 10px;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            cursor: pointer;
            z-index: 1060;
        }

        .toggler-bar {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: background .2s ease;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg);
            z-index: 1040;
            padding: 96px 24px 32px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-link {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            border-radius: var(--radius-sm);
            border-bottom: 1px solid var(--line);
            color: var(--ink);
            background: rgba(255, 255, 255, 0.5);
        }

        .mobile-link:hover {
            color: var(--primary);
            background: var(--surface);
        }

        .mobile-link.active {
            color: var(--primary);
            font-weight: 600;
            border-left: 3px solid var(--accent);
        }

        .mobile-cta {
            margin-top: 16px;
            text-align: center;
            display: block;
            width: 100%;
        }

        /* ========== 分类页 Hero ========== */
        .category-hero {
            height: 280px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            isolation: isolate;
            border-bottom: 1px solid var(--line);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, var(--bg) 0%, rgba(246, 242, 234, 0.9) 40%, rgba(246, 242, 234, 0.4) 70%, rgba(246, 242, 234, 0.75) 100%);
            z-index: -1;
        }

        .category-hero .container {
            text-align: center;
        }

        .hero-label {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 11px;
            letter-spacing: 0.14em;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 18px;
            text-transform: uppercase;
            box-shadow: 0 4px 14px rgba(185, 147, 90, 0.3);
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 12px;
            letter-spacing: 0.03em;
        }

        .category-hero .hero-subtitle {
            font-size: 14px;
            color: var(--muted);
            max-width: 580px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ========== 图文交错区 ========== */
        .story-section {
            padding: 96px 0 48px;
        }

        .story-row {
            display: flex;
            align-items: center;
            gap: 72px;
            margin-bottom: 88px;
        }

        .story-row.row-reverse {
            flex-direction: row-reverse;
        }

        .story-media {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-1);
            aspect-ratio: 4 / 3;
            background: var(--accent-soft);
        }

        .story-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .story-content {
            flex: 1;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.14em;
            color: var(--accent);
            font-weight: 700;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .story-content h2 {
            font-size: 28px;
            margin-bottom: 20px;
            color: var(--ink);
        }

        .story-content p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 24px;
        }

        /* ========== 服务要点区 ========== */
        .feature-section {
            padding: 72px 0 88px;
            background: var(--surface);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }

        .section-head .section-tag {
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: 30px;
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .feature-grid {
            row-gap: 24px;
        }

        .feature-item {
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            height: 100%;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-1);
            border-color: rgba(185, 147, 90, 0.4);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--accent);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-family: var(--font-head);
            font-style: italic;
            font-size: 20px;
            box-shadow: 0 6px 16px rgba(185, 147, 90, 0.3);
        }

        .feature-item h3 {
            font-size: 17px;
            margin-bottom: 10px;
            font-family: var(--font-body);
            font-weight: 700;
        }

        .feature-item p {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.75;
        }

        /* ========== 流程步骤区 ========== */
        .steps-section {
            padding: 88px 0;
            background: var(--bg);
        }

        .steps-grid {
            row-gap: 28px;
        }

        .step-item {
            position: relative;
            text-align: left;
            padding: 40px 24px 32px;
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-1);
            height: 100%;
            border: 1px solid var(--line);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .step-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-2);
            border-color: rgba(185, 147, 90, 0.35);
        }

        .step-num {
            position: absolute;
            top: -16px;
            left: 28px;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-family: var(--font-head);
            font-style: italic;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.3);
        }

        .step-item h3 {
            font-size: 16px;
            margin-bottom: 10px;
            font-family: var(--font-body);
            font-weight: 700;
        }

        .step-item p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.75;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 88px 0;
            background: var(--surface);
            border-top: 1px solid var(--line);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 16px;
            transition: box-shadow .25s ease, border-color .25s ease, background .25s ease;
        }

        .faq-item:hover {
            border-color: rgba(185, 147, 90, 0.35);
            box-shadow: var(--shadow-1);
            background: var(--surface);
        }

        .faq-item h3 {
            font-family: var(--font-body);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .faq-item h3::after {
            content: "+";
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            background: var(--accent-soft);
            color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 400;
            line-height: 1;
        }

        .faq-item p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 48px 0 88px;
            background: var(--surface);
        }

        .cta-card {
            position: relative;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, var(--primary) 0%, #5c131f 55%, var(--ink) 100%);
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-2);
            overflow: hidden;
            border: 1px solid rgba(185, 147, 90, 0.3);
        }

        .cta-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("/assets/images/backpic/back-3.webp");
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }

        .cta-card>* {
            position: relative;
            z-index: 1;
        }

        .cta-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

        .cta-card h2 {
            font-size: 26px;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .btn-light-cta {
            background: #fff;
            color: var(--primary);
            border: 2px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 12px 36px;
            font-weight: 700;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
            transition: all .25s ease;
            display: inline-block;
        }

        .btn-light-cta:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(0, 0, 0, 0.2);
        }

        /* ========== 站内互链 ========== */
        .cat-cross-links {
            background: var(--surface);
            padding: 0 0 80px;
            text-align: center;
            border-top: 1px solid var(--line);
            padding-top: 56px;
        }

        .cat-cross-links .cross-label {
            display: block;
            font-size: 12px;
            letter-spacing: 0.14em;
            color: var(--muted);
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .cat-cross-links a {
            display: inline-block;
            margin: 0 10px;
            padding: 9px 22px;
            border: 1px solid var(--line);
            border-radius: 999px;
            background: var(--bg);
            font-size: 13px;
            color: var(--muted);
            transition: all .25s ease;
        }

        .cat-cross-links a:hover {
            color: var(--primary);
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-1);
            background: var(--surface);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 32px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 36px;
            gap: 24px;
            flex-wrap: wrap;
        }

        .footer-brand {
            font-family: var(--font-head);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .social-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .25s ease, color .25s ease, transform .25s ease;
        }

        .social-btn:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 14px;
            font-family: var(--font-body);
            margin-bottom: 16px;
            font-weight: 700;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            padding: 5px 0;
            transition: color .22s ease, padding-left .22s ease;
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
            background: transparent;
        }

        .footer-bottom {
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            padding-top: 32px;
            margin-top: 48px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .nav-area {
                display: none;
            }

            .navbar-toggler {
                display: flex;
            }

            .mobile-menu {
                display: none;
            }

            .mobile-menu.open {
                display: flex;
            }

            .brand-name {
                font-size: 18px;
            }

            .brand-icon {
                width: 40px;
                height: 40px;
                font-size: 20px;
            }

            .header-inner {
                min-height: 68px;
                gap: 12px;
            }

            .story-row,
            .story-row.row-reverse {
                flex-direction: column !important;
                gap: 36px;
                margin-bottom: 64px;
            }

            .story-section {
                padding: 56px 0 32px;
            }

            .story-content h2 {
                font-size: 24px;
            }

            .feature-section,
            .steps-section,
            .faq-section {
                padding: 56px 0;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .cta-card {
                padding: 48px 28px;
            }

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

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .category-hero {
                height: 260px;
            }

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

            .category-hero .hero-subtitle {
                font-size: 13px;
                padding: 0 10px;
            }

            .brand-sub {
                font-size: 8px;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 18px;
            }

            .feature-grid,
            .steps-grid {
                row-gap: 20px;
            }

            .feature-item,
            .step-item {
                padding: 24px 20px;
            }

            .faq-item {
                padding: 18px 20px;
            }

            .faq-item h3 {
                font-size: 14px;
            }

            .cta-card {
                padding: 40px 20px;
                border-radius: var(--radius-md);
            }

            .cta-card h2 {
                font-size: 21px;
            }

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

            .btn-light-cta {
                width: 100%;
                text-align: center;
            }

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

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

            .story-content h2 {
                font-size: 22px;
            }

            .cat-cross-links {
                padding: 40px 16px 56px;
            }

            .cat-cross-links a {
                display: block;
                margin: 10px auto;
                max-width: 260px;
            }
        }

        @media (max-width: 520px) {
            .brand-name {
                font-size: 16px;
                letter-spacing: 0;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .category-hero {
                height: 240px;
            }

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

            .hero-label {
                font-size: 10px;
                padding: 5px 14px;
            }
        }

/* roulang page: category2 */
:root {
  --bg: #F6F2EA;
  --surface: #FFFFFF;
  --ink: #211B17;
  --muted: #85796C;
  --primary: #7A1B2B;
  --primary-rgb: 122, 27, 43;
  --primary-hover: #922639;
  --accent: #B9935A;
  --accent-soft: rgba(185, 147, 90, 0.12);
  --success: #5D6B52;
  --line: #EBE3D6;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --shadow-1: 0 8px 30px rgba(33, 27, 23, 0.08);
  --shadow-2: 0 20px 60px rgba(33, 27, 23, 0.14);
  --font-head: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --font-body: "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease, box-shadow .2s ease, border-color .2s ease;
}

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

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

.container {
  max-width: 1280px;
  padding-left: 24px;
  padding-right: 24px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  color: var(--ink);
  margin-top: 0;
  font-weight: 700;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

.btn {
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  transition: all .25s ease;
}

.btn-brand {
  background-color: var(--primary);
  border: 2px solid var(--accent);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.28);
}

.btn-brand:hover, .btn-brand:focus {
  background-color: var(--primary-hover);
  border-color: var(--accent);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(var(--primary-rgb), 0.35);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--accent);
  color: var(--ink);
}

.btn-outline:hover {
  background-color: var(--accent-soft);
  border-color: var(--accent);
  color: var(--ink);
  transform: translateY(-2px);
}

.btn-light {
  background-color: #FFFFFF;
  border: 2px solid transparent;
  color: var(--primary);
  box-shadow: var(--shadow-1);
}

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

.btn-lg {
  padding: 12px 30px;
  border-radius: 12px;
  font-size: 15px;
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

.section {
  padding-top: 96px;
  padding-bottom: 96px;
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 30px;
  margin-bottom: 14px;
  line-height: 1.4;
}

.section-head p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 0;
}

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 16px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 76px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.nav-area {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

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

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

.nav-entry {
  position: relative;
  display: inline-block;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav-entry::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(0.4);
  transition: opacity .25s ease, transform .25s ease;
}

.nav-entry:hover, .nav-entry.active {
  color: var(--primary);
}

.nav-entry:hover::after, .nav-entry.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.btn-nav {
  padding: 8px 18px;
  font-size: 14px;
  margin-left: 8px;
}

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

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent), #A37B44);
  color: #FFFFFF;
  font-family: var(--font-head);
  font-size: 20px;
  font-style: italic;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(185, 147, 90, 0.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}

.brand-sub {
  font-size: 8px;
  letter-spacing: .2em;
  color: var(--muted);
  text-transform: uppercase;
}

.navbar-toggler {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: var(--surface);
  padding: 10px;
  cursor: pointer;
}

.navbar-toggler:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.toggler-bar {
  display: block;
  height: 2px;
  border-radius: 2px;
  background-color: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}

.mobile-nav-wrap {
  background-color: var(--surface);
  border-top: 1px solid var(--line);
  padding: 18px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-link {
  display: block;
  padding: 12px 14px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  border-radius: var(--radius-sm);
  background-color: var(--bg);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--primary);
  background-color: var(--accent-soft);
}

.mobile-cta {
  margin-top: 10px;
}

/* Category Hero */
.category-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

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

.category-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, var(--bg) 18%, rgba(246, 242, 234, 0.75) 45%, rgba(246, 242, 234, 0.25) 100%);
}

.category-hero-inner {
  position: relative;
  z-index: 1;
  padding-top: 90px;
  padding-bottom: 90px;
}

.hero-kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--primary);
  background-color: var(--accent);
  border-radius: 999px;
  padding: 6px 18px;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.category-hero-title {
  font-size: 46px;
  line-height: 1.25;
  margin-bottom: 18px;
  color: var(--ink);
}

.category-hero-desc {
  max-width: 520px;
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 32px;
}

.category-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Timeline */
.timeline-section {
  background-color: var(--surface);
}

.timeline {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding-left: 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 108px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--primary));
  border-radius: 2px;
  opacity: .35;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 40px;
  align-items: center;
}

.timeline-marker {
  text-align: right;
  position: relative;
  padding-right: 26px;
}

.timeline-date {
  display: block;
  font-family: var(--font-head);
  font-size: 20px;
  font-style: italic;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.timeline-dot {
  position: absolute;
  right: -6px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--surface);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(185, 147, 90, 0.18);
}

.timeline-card {
  display: flex;
  align-items: center;
  gap: 26px;
  background-color: var(--bg);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-1);
  transition: box-shadow .3s ease, transform .3s ease;
}

.timeline-card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-4px);
}

.timeline-card-img {
  flex: 0 0 150px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.timeline-card-img img {
  width: 150px;
  height: 110px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.timeline-card-body {
  padding-right: 6px;
}

.timeline-card-body h3 {
  font-size: 20px;
  margin-bottom: 6px;
}

.timeline-card-body p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 0;
}

.timeline-footer-link {
  text-align: center;
  margin-top: 40px;
  font-size: 15px;
  color: var(--muted);
}

.timeline-footer-link a {
  font-weight: 600;
  color: var(--primary);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

/* Preview cards */
.preview-section {
  background-color: var(--bg);
}

.preview-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}

.preview-card {
  display: flex;
  align-items: center;
  gap: 32px;
  background-color: var(--surface);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-1);
  transition: box-shadow .3s ease, transform .3s ease;
}

.preview-card:nth-child(even) {
  flex-direction: row-reverse;
}

.preview-card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-4px);
}

.preview-img {
  flex: 0 0 230px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.preview-img img {
  width: 230px;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  transition: transform .4s ease;
}

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

.preview-body {
  flex: 1;
}

.preview-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--muted);
  text-transform: uppercase;
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 12px;
}

.preview-body h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.preview-body p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.75;
}

.preview-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}

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

/* Member section */
.member-section {
  background: linear-gradient(135deg, #1A1512 0%, #2A1A1F 45%, #4A1520 100%);
  color: #F6F2EA;
}

.member-section .section-tag-light {
  color: #FFFFFF;
  background: rgba(185, 147, 90, 0.35);
}

.member-section h2 {
  color: #FFFFFF;
}

.member-section .section-head p {
  color: rgba(255, 255, 255, 0.65);
}

.member-inner {
  max-width: 980px;
}

.member-list {
  margin-top: 16px;
}

.member-item {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  height: 100%;
  transition: background-color .3s ease, border-color .3s ease, transform .3s ease;
}

.member-item:hover {
  background-color: rgba(255, 255, 255, 0.09);
  border-color: var(--accent);
  transform: translateY(-4px);
}

.member-num {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 34px;
  font-style: italic;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 18px;
}

.member-item h3 {
  font-size: 20px;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.member-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

/* Guarantee */
.guarantee-strip {
  background-color: var(--surface);
  padding-top: 60px;
  padding-bottom: 60px;
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 12px;
  border-radius: var(--radius-md);
  background-color: var(--bg);
  transition: box-shadow .25s ease, transform .25s ease;
}

.guarantee-item:hover {
  box-shadow: var(--shadow-1);
  transform: translateY(-3px);
}

.guarantee-icon {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent), #A37B44);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
}

.guarantee-title {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
}

.guarantee-sub {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

/* CTA */
.cta-card {
  position: relative;
  background: linear-gradient(135deg, var(--primary) 0%, #4A1520 60%, #1A1512 100%);
  border-radius: var(--radius-lg);
  padding: 68px 48px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

.cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.cta-card h2 {
  color: #FFFFFF;
  font-size: 30px;
  margin-bottom: 14px;
}

.cta-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  margin-bottom: 32px;
}

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

.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
}

.faq-accordion .accordion-item {
  background-color: var(--surface);
  border: none;
  border-radius: 14px !important;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.faq-accordion .accordion-button {
  background-color: var(--surface);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  padding: 20px 24px;
  border: none;
  box-shadow: none;
}

.faq-accordion .accordion-button:not(.collapsed) {
  background-color: var(--accent-soft);
  color: var(--primary);
  box-shadow: none;
}

.faq-accordion .accordion-button:focus {
  box-shadow: 0 0 0 3px var(--accent-soft);
  border-color: transparent;
}

.faq-accordion .accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%237A1B2B' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  transition: transform .3s ease;
}

.faq-accordion .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}

.faq-accordion .accordion-body {
  padding: 4px 24px 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

/* Footer */
.site-footer {
  background-color: var(--ink);
  color: rgba(255, 255, 255, 0.65);
  padding-top: 64px;
  padding-bottom: 28px;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 36px;
}

.footer-brand {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: .02em;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.8);
  transition: background-color .25s ease, color .25s ease, box-shadow .25s ease;
}

.social-btn:hover {
  background-color: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 6px 16px rgba(185, 147, 90, 0.3);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
  letter-spacing: .05em;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  padding: 5px 0;
  transition: color .2s ease, padding-left .2s ease;
}

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

.footer-col p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.9;
  margin-bottom: 6px;
}

.footer-bottom {
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* Responsive */
@media (max-width: 991.98px) {
  .nav-area {
    display: none;
  }

  .navbar-toggler {
    display: flex;
  }

  .header-inner {
    justify-content: space-between;
  }

  .category-hero {
    min-height: 360px;
  }

  .category-hero-title {
    font-size: 36px;
  }

  .category-hero-inner {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-left: 44px;
  }

  .timeline-marker {
    text-align: left;
    padding-right: 0;
  }

  .timeline-dot {
    left: -10px;
    right: auto;
    top: 6px;
  }

  .timeline-date {
    font-size: 18px;
  }

  .preview-card {
    flex-direction: column;
    padding: 22px;
    gap: 20px;
  }

  .preview-card:nth-child(even) {
    flex-direction: column;
  }

  .preview-img, .preview-img img {
    width: 100%;
    height: auto;
    max-height: 220px;
  }

  .guarantee-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

@media (max-width: 767.98px) {
  .section {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 17px;
  }

  .brand-name {
    font-size: 17px;
  }

  .brand-sub {
    font-size: 7px;
  }

  .category-hero {
    min-height: 330px;
  }

  .category-hero-title {
    font-size: 28px;
  }

  .category-hero-desc {
    font-size: 14px;
  }

  .category-hero-actions {
    flex-direction: column;
  }

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

  .section-head h2 {
    font-size: 24px;
  }

  .timeline {
    gap: 36px;
  }

  .timeline-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 18px;
  }

  .timeline-card-img, .timeline-card-img img {
    width: 100%;
    height: auto;
    max-height: 180px;
  }

  .timeline-card-img img {
    width: 100%;
  }

  .preview-body h3 {
    font-size: 20px;
  }

  .member-item {
    padding: 24px 20px;
  }

  .cta-card {
    padding: 46px 24px;
  }

  .cta-card h2 {
    font-size: 24px;
  }

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

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

@media (max-width: 575.98px) {
  .guarantee-grid {
    grid-template-columns: 1fr;
  }

  .preview-card {
    padding: 18px;
  }

  .preview-img img {
    max-height: 160px;
  }
}