/* roulang page: index */
:root {
  --c-bg: #F3F0EA;
  --c-surface: #F9F7F2;
  --c-ink: #201D19;
  --c-muted: #6E675C;
  --c-brand: #A65B34;
  --c-brand-strong: #7E4328;
  --c-success: #65705A;
  --c-danger: #A64B3A;
  --c-line: rgba(60, 45, 25, 0.13);
  --c-line-soft: rgba(60, 45, 25, 0.09);
  --c-dark: #211E1A;
  --c-shadow-1: rgba(50, 30, 10, 0.08);
  --c-shadow-2: rgba(50, 30, 10, 0.14);
  --r-sm: 4px;
  --r-md: 8px;
  --r-pill: 100px;
  --container: 1240px;
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-4: 16px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --fs-hero: clamp(2.6rem, 6vw, 4.8rem);
  --fs-h1: clamp(2rem, 4vw, 3.2rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.4rem);
  --fs-h3: clamp(1.2rem, 1.6vw, 1.5rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
  --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-data: "DIN Alternate", "Bahnschrift", "Arial Narrow", var(--font-sans);
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--c-brand);
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-family: var(--font-serif);
  line-height: 1.3;
  color: var(--c-ink);
}

p {
  margin: 0;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 2000;
  background: var(--c-brand);
  color: #fff;
  padding: 0.8rem 1.4rem;
  border-radius: 0 0 var(--r-sm) 0;
}

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

.container {
  max-width: var(--container);
}

.container-xxl {
  max-width: var(--container);
}

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1080;
  background: rgba(243, 240, 234, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-line-soft);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.custom-navbar {
  --bs-navbar-padding-y: 0;
  --bs-navbar-brand-padding-y: 0;
  --bs-navbar-nav-link-padding-x: 0;
  padding-top: 0;
  padding-bottom: 0;
}

.brand-me {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  min-width: 160px;
}

.brand-logo-mark {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--c-brand);
  line-height: 1;
}

.brand-logo-sub {
  font-family: var(--font-sans);
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--c-muted);
  line-height: 1.4;
  position: relative;
  top: -0.2rem;
}

.main-nav {
  gap: clamp(1.1rem, 2.4vw, 2.4rem);
}

.main-nav .nav-link {
  position: relative;
  padding: 0.5rem 0.1rem;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--c-ink);
  white-space: nowrap;
}

.main-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -5px;
  height: 1.5px;
  background: var(--c-brand);
  transition: right 0.24s ease;
}

.main-nav .nav-link:hover,
.main-nav .nav-link.active {
  color: var(--c-brand);
}

.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after {
  right: 0;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding-left: 0.5rem;
}

.nav-login-btn {
  border: 1px solid var(--c-line);
  background: transparent;
  color: var(--c-ink);
  border-radius: var(--r-pill);
  padding: 0.5rem 1.25rem;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.24s ease;
}

.nav-login-btn:hover {
  border-color: var(--c-brand);
  color: var(--c-brand);
  background: rgba(166, 91, 52, 0.06);
}

.custom-navbar .navbar-toggler {
  border: 0;
  padding: 0.5rem;
  color: var(--c-ink);
}

.custom-navbar .navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(166, 91, 52, 0.15);
}

.custom-navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23201D19' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* 通用按钮 */
.btn {
  --bs-btn-border-width: 1px;
  border-radius: var(--r-pill);
  font-weight: 500;
  padding: 0.65rem 1.5rem;
  transition: all 0.22s ease;
  letter-spacing: 0.02em;
}

.btn-lg {
  min-height: 48px;
  padding: 0.7rem 1.6rem;
}

.btn-brand {
  background: var(--c-brand);
  border: 1px solid var(--c-brand);
  color: #fff;
}

.btn-brand:hover,
.btn-brand:focus {
  background: var(--c-brand-strong);
  border-color: var(--c-brand-strong);
  color: #fff;
  transform: translateY(-1px);
}

.btn-outline-main {
  border: 1px solid var(--c-line);
  background: transparent;
  color: var(--c-ink);
}

.btn-outline-main:hover,
.btn-outline-main:focus {
  border-color: var(--c-brand);
  color: var(--c-brand);
  background: rgba(166, 91, 52, 0.06);
}

.btn:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 3px rgba(166, 91, 52, 0.18);
}

/* 区块通用 */
.section {
  padding: clamp(4rem, 7vw, 6.8rem) 0;
}

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

.section-head {
  margin-bottom: 2.6rem;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-brand);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.section-title {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-desc {
  margin-top: 0.9rem;
  color: var(--c-muted);
  max-width: 46rem;
  font-size: 0.98rem;
}

/* Hero */
.hero-block {
  position: relative;
  padding: clamp(4.5rem, 8vw, 7.5rem) 0 5rem;
  background:
    linear-gradient(115deg, rgba(243, 240, 234, 0.96) 0%, rgba(249, 247, 242, 0.9) 52%, rgba(243, 240, 234, 0.96) 100%),
    url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
  border-bottom: 1px solid var(--c-line-soft);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--c-brand-strong);
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(166, 91, 52, 0.18);
  padding: 0.4rem 1rem;
  border-radius: var(--r-pill);
  margin-bottom: 1.8rem;
}

.hero-kicker i {
  font-style: normal;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-brand);
  display: inline-block;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: var(--fs-hero);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--c-ink);
  margin-bottom: 1.3rem;
}

.hero-feature-line {
  border-left: 3px solid var(--c-brand);
  padding-left: 1.1rem;
  max-width: 670px;
}

.hero-lead {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--c-ink);
  line-height: 1.8;
}

.hero-desc {
  margin-top: 0.9rem;
  color: var(--c-muted);
  font-size: 0.96rem;
  max-width: 700px;
}

.hero-actions {
  margin-top: 2.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
}

.hero-note {
  margin-top: 1.5rem;
  font-size: 0.82rem;
  color: var(--c-muted);
}

/* 指标看板 */
.metrics-section {
  position: relative;
  z-index: 3;
  padding-top: 0;
  margin-top: -54px;
}

.metrics-panel {
  background: var(--c-dark);
  border-radius: var(--r-md);
  box-shadow: 0 24px 46px -34px rgba(50, 30, 10, 0.38);
  overflow: hidden;
  color: #eae5dd;
}

.metrics-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.metric-item {
  padding: 2.1rem 1.7rem;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-item:last-child {
  border-right: 0;
}

.metric-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1.1rem;
}

.metric-value {
  font-family: var(--font-data);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: #fff;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.metric-unit {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.55);
}

.metric-sub {
  margin-top: 0.85rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

.metric-sub strong {
  font-weight: 600;
  color: #e4d7cb;
}

/* 服务矩阵 */
.services-block .section-title {
  margin-bottom: 0.5rem;
}

.services-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.service-illustration {
  position: relative;
}

.service-illustration .img-frame {
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: 0 24px 50px -40px var(--c-shadow-2);
}

.service-illustration img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.service-illustration:hover img {
  transform: scale(1.02);
}

.service-note-pill {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(33, 30, 26, 0.82);
  color: #fff;
  font-size: 0.82rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--r-pill);
  backdrop-filter: blur(8px);
  letter-spacing: 0.04em;
}

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

.service-item {
  display: grid;
  grid-template-columns: 66px 1fr 2fr auto;
  align-items: center;
  gap: 1.2rem;
  padding: 1.65rem 0.35rem;
  border-top: 1px solid var(--c-line);
  transition: background-color 0.25s ease, padding-left 0.25s ease;
}

.service-item:first-child {
  border-top: 0;
}

.service-item:last-child {
  border-bottom: 1px solid var(--c-line);
}

.service-item:hover {
  background: rgba(249, 247, 242, 0.7);
  padding-left: 0.8rem;
}

.service-index {
  font-family: var(--font-data);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-brand-strong);
  letter-spacing: 0.08em;
}

.service-name {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--c-ink);
  transition: color 0.22s ease;
}

.service-item:hover .service-name {
  color: var(--c-brand);
}

.service-desc {
  color: var(--c-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.service-icon {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  color: var(--c-brand);
  transition: all 0.2s ease;
  background: rgba(255, 255, 255, 0.45);
}

.service-item:hover .service-icon {
  border-color: var(--c-brand);
  background: var(--c-brand);
  color: #fff;
}

/* 结果对比 */
.compare-block {
  background: var(--c-surface);
  border-top: 1px solid var(--c-line-soft);
  border-bottom: 1px solid var(--c-line-soft);
}

.compare-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 20px 44px -42px var(--c-shadow-2);
}

.compare-cell {
  padding: clamp(2rem, 4vw, 4.2rem);
  position: relative;
}

.compare-cell + .compare-cell {
  border-left: 1px solid var(--c-line-soft);
  background: linear-gradient(180deg, rgba(249, 247, 242, 0.5) 0%, #fff 100%);
}

.compare-overline {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 1.1rem;
}

.compare-cell.old-side .compare-overline .line {
  width: 18px;
  height: 1px;
  background: var(--c-line);
  display: inline-block;
}

.compare-cell.new-side .compare-overline {
  color: var(--c-brand-strong);
}

.compare-overline .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  background: var(--c-brand);
}

.compare-cell h3 {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 1.4rem;
  font-family: var(--font-serif);
}

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

.compare-list li {
  position: relative;
  padding: 0.65rem 0 0.65rem 2rem;
  color: var(--c-ink);
  font-size: 0.95rem;
  border-bottom: 1px dashed var(--c-line-soft);
}

.compare-list li:last-child {
  border-bottom: 0;
}

.compare-list.old-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 9px;
  height: 9px;
  border: 1px solid var(--c-muted);
  border-radius: 50%;
}

.compare-list.new-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 9px;
  height: 9px;
  background: var(--c-brand);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(166, 91, 52, 0.15);
}

.compare-figure {
  margin-top: 2rem;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--c-line-soft);
}

.compare-figure img {
  width: 100%;
  height: 210px;
  object-fit: cover;
}

/* 最新动态 CMS 区 */
.news-block {
  position: relative;
}

.news-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
}

.news-aside-note {
  margin-top: 2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--c-line-soft);
  color: var(--c-muted);
  font-size: 0.88rem;
  max-width: 330px;
}

.news-all-btn {
  margin-top: 2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--c-brand);
  font-weight: 600;
  font-size: 0.9rem;
  border-bottom: 1.5px solid rgba(166, 91, 52, 0.3);
  padding-bottom: 0.25rem;
}

.news-all-btn:hover {
  border-color: var(--c-brand);
}

.news-list-wrap {
  position: relative;
}

.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.news-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 2rem;
  bottom: 2rem;
  width: 1px;
  background: var(--c-line);
}

.news-row {
  position: relative;
  padding: 0 0 2.3rem 2.2rem;
}

.news-row:last-child {
  padding-bottom: 0.4rem;
}

.news-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9rem;
  width: 11px;
  height: 11px;
  background: var(--c-bg);
  border: 2px solid var(--c-brand);
  border-radius: 50%;
  z-index: 1;
}

.news-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  margin-bottom: 0.45rem;
}

.news-cat {
  display: inline-block;
  background: var(--c-surface);
  border: 1px solid var(--c-line-soft);
  color: var(--c-brand-strong);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.7rem;
  border-radius: var(--r-pill);
  letter-spacing: 0.06em;
}

.news-date {
  color: var(--c-muted);
  font-family: var(--font-data);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.news-title-link {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 650;
  color: var(--c-ink);
  line-height: 1.45;
  transition: color 0.2s ease;
}

.news-title-link:hover {
  color: var(--c-brand);
}

.news-summary {
  margin-top: 0.45rem;
  color: var(--c-muted);
  font-size: 0.9rem;
  max-width: 560px;
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-empty {
  padding: 2rem 1rem;
  color: var(--c-muted);
  background: var(--c-surface);
  border: 1px dashed var(--c-line);
  border-radius: var(--r-md);
  font-size: 0.92rem;
  text-align: center;
}

.news-empty-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-line);
  margin-right: 0.5rem;
}

/* FAQ */
.faq-block {
  background: var(--c-bg);
}

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

.faq-note {
  margin-top: 1.8rem;
  color: var(--c-muted);
  font-size: 0.9rem;
  max-width: 300px;
}

.faq-contact-link {
  display: inline-flex;
  margin-top: 1.2rem;
  color: var(--c-brand);
  font-weight: 600;
  border-bottom: 1px solid rgba(166, 91, 52, 0.35);
  padding-bottom: 0.2rem;
}

.custom-faq .accordion-item {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--c-line-soft);
  margin-bottom: 0;
}

.custom-faq .accordion-item:first-child {
  border-top: 1px solid var(--c-line-soft);
}

.custom-faq .accordion-button {
  background: transparent;
  box-shadow: none;
  padding: 1.35rem 3rem 1.35rem 0;
  font-family: var(--font-serif);
  font-size: 1.06rem;
  font-weight: 650;
  color: var(--c-ink);
  border: 0;
  line-height: 1.6;
}

.custom-faq .accordion-button:hover {
  color: var(--c-brand);
}

.custom-faq .accordion-button:not(.collapsed) {
  color: var(--c-brand-strong);
}

.custom-faq .accordion-button::after {
  background-image: none !important;
  width: 18px;
  height: 18px;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") no-repeat center/contain;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") no-repeat center/contain;
  background-color: var(--c-muted);
  transition: transform 0.28s ease, background-color 0.2s ease;
}

.custom-faq .accordion-button:not(.collapsed)::after {
  transform: rotate(45deg);
  background-color: var(--c-brand);
}

.custom-faq .accordion-body {
  padding: 0 3rem 1.6rem 0;
  color: var(--c-muted);
  font-size: 0.93rem;
  line-height: 1.9;
}

/* 表单 CTA */
.cta-block {
  background:
    linear-gradient(110deg, rgba(33, 30, 26, 0.97), rgba(33, 30, 26, 0.9)),
    url("/assets/images/backpic/back-3.webp") center / cover no-repeat;
  color: #eae5dd;
}

.cta-block .section-title {
  color: #fff;
}

.cta-block .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

.cta-wrap {
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: clamp(1.8rem, 4vw, 3.4rem);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4rem);
}

.cta-info-text {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-top: 1.2rem;
}

.cta-info-rule {
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin: 2rem 0 1.4rem;
}

.cta-contact-method {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.9rem;
  padding: 0.45rem 0;
}

.cta-contact-method i {
  font-style: normal;
  width: 8px;
  height: 8px;
  background: var(--c-brand);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(166, 91, 52, 0.25);
}

.cta-contact-method span {
  color: rgba(255, 255, 255, 0.7);
}

.cta-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.cta-form-group {
  margin-bottom: 1.2rem;
}

.cta-form-group label {
  display: inline-block;
  margin-bottom: 0.45rem;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
}

.cta-form-group .form-control,
.cta-form-group .form-select {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--r-sm);
  min-height: 48px;
  color: var(--c-ink);
  font-size: 0.94rem;
  padding: 0.65rem 1rem;
}

.cta-form-group textarea.form-control {
  min-height: 116px;
  resize: vertical;
}

.cta-form-group .form-control:focus,
.cta-form-group .form-select:focus {
  border-color: var(--c-brand);
  box-shadow: 0 0 0 3px rgba(166, 91, 52, 0.2);
}

.cta-form-group .form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23A65B34'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
}

.cta-submit {
  width: 100%;
  background: var(--c-brand);
  color: #fff;
  border: 0;
  min-height: 50px;
}

.cta-submit:hover {
  background: var(--c-brand-strong);
  color: #fff;
}

.form-note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

.cta-related-link {
  display: inline-block;
  margin-top: 1.1rem;
  color: #d8b59f;
  border-bottom: 1px solid rgba(216, 181, 159, 0.4);
}

.cta-block .eyebrow {
  color: #d8b59f;
}

/* 页脚 */
.site-footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-line);
  padding: 3.2rem 0 2rem;
}

.footer-brand .brand-me {
  margin-bottom: 1rem;
}

.footer-description {
  margin-top: 1.1rem;
  color: var(--c-muted);
  font-size: 0.88rem;
  max-width: 330px;
}

.footer-title {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink);
  margin-bottom: 1.1rem;
}

.footer-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-nav-list a {
  color: var(--c-muted);
  font-size: 0.88rem;
}

.footer-nav-list a:hover {
  color: var(--c-brand);
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--c-line-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--c-muted);
}

.footer-bottom a {
  color: var(--c-brand-strong);
}

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

.footer-icp {
  color: var(--c-muted);
  font-size: 0.82rem;
}

/* 响应式 */
@media (max-width: 991.98px) {
  .header-inner {
    min-height: 68px;
  }

  .custom-navbar .navbar-collapse {
    background: var(--c-surface);
    border-radius: var(--r-md);
    border: 1px solid var(--c-line-soft);
    padding: 1.2rem 1.4rem;
    margin-top: 0.8rem;
    box-shadow: 0 20px 36px -30px var(--c-shadow-2);
  }

  .main-nav {
    padding: 0.5rem 0 1rem;
    border-bottom: 1px solid var(--c-line-soft);
    margin-bottom: 1rem;
    gap: 0.2rem;
  }

  .main-nav .nav-item {
    padding: 0.3rem 0;
  }

  .main-nav .nav-link::after {
    bottom: -4px;
  }

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

  .metric-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .metric-item:nth-child(2n) {
    border-right: 0;
  }

  .metric-item:nth-child(n + 3) {
    border-bottom: 0;
  }

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

  .service-illustration {
    order: 2;
  }

  .service-list {
    order: 1;
  }

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

  .compare-cell + .compare-cell {
    border-left: 0;
    border-top: 1px solid var(--c-line-soft);
  }

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

  .news-head {
    margin-bottom: 2.5rem;
  }
}

@media (max-width: 767.98px) {
  .section {
    padding: 3.8rem 0;
  }

  .metrics-section {
    margin-top: -36px;
  }

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

  .metric-item {
    padding: 1.4rem 1.1rem;
  }

  .service-item {
    grid-template-columns: 44px 1fr;
    gap: 0.7rem 0.9rem;
    padding: 1.25rem 0.2rem;
  }

  .service-desc {
    grid-column: 2;
  }

  .service-icon {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .compare-cell {
    padding: 1.6rem 1.1rem;
  }

  .cta-wrap {
    padding: 1.4rem;
  }

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

  .cta-form-group {
    margin-bottom: 0.9rem;
  }

  .news-illustration {
    margin-top: 1.5rem;
  }

  .hero-block {
    background:
      linear-gradient(120deg, rgba(243, 240, 234, 0.97) 0%, rgba(249, 247, 242, 0.94) 60%, rgba(243, 240, 234, 0.98) 100%),
      url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
    padding-top: 3.6rem;
  }

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

  .service-illustration img {
    height: 230px;
  }

  .brand-me {
    min-width: 0;
  }
}

@media (max-width: 575.98px) {
  .metric-item {
    padding: 1.2rem 0.85rem;
  }

  .metric-label {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
  }

  .metric-value {
    font-size: 2rem;
  }

  .custom-faq .accordion-button {
    padding: 1.1rem 2.5rem 1.1rem 0;
    font-size: 1rem;
  }

  .custom-faq .accordion-body {
    font-size: 0.9rem;
    line-height: 1.85;
    padding-right: 0;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto !important;
  }
}

/* roulang page: article */
:root {
  --c-bg: #F3F0EA;
  --c-surface: #F9F7F2;
  --c-ink: #201D19;
  --c-muted: #6E675C;
  --c-brand: #A65B34;
  --c-brand-strong: #7E4328;
  --c-success: #65705A;
  --c-danger: #A64B3A;
  --c-line: rgba(60, 45, 25, 0.13);
  --c-line-soft: rgba(60, 45, 25, 0.09);
  --c-dark: #211E1A;
  --c-shadow-1: rgba(50, 30, 10, 0.08);
  --c-shadow-2: rgba(50, 30, 10, 0.14);
  --r-sm: 4px;
  --r-md: 8px;
  --r-pill: 100px;
  --container: 1240px;
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-4: 16px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --fs-hero: clamp(2.8rem, 6vw, 5rem);
  --fs-h1: clamp(2rem, 4vw, 3.2rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.4rem);
  --fs-h3: clamp(1.2rem, 2vw, 1.5rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
  --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-data: "DIN Alternate", "Bahnschrift", "Arial Narrow", var(--font-sans);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

img,
svg {
  max-width: 100%;
  display: block;
  border-style: none;
}

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

a:hover {
  color: var(--c-brand-strong);
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--c-brand);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.container,
.container-xxl {
  max-width: var(--container);
}

.container-lg-narrow {
  max-width: 1060px;
}

.container-narrow {
  max-width: 880px;
}

.btn-link-custom {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 600;
  color: var(--c-brand);
  background: transparent;
  border: 0;
  padding: .35rem 0;
  line-height: 1.4;
  position: relative;
}

.btn-link-custom::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1.5px;
  background: var(--c-brand);
  transform: scaleX(.3);
  transform-origin: left;
  transition: transform .25s ease;
}

.btn-link-custom:hover {
  color: var(--c-brand-strong);
}

.btn-link-custom:hover::after {
  transform: scaleX(1);
}

.site-header {
  background-color: rgba(243, 240, 234, .96);
  border-bottom: 1px solid var(--c-line);
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 20;
}

.header-inner {
  padding: .5rem 0;
}

.brand-me {
  display: inline-flex;
  align-items: flex-end;
  gap: .28rem;
  font-family: var(--font-serif);
  text-decoration: none;
  line-height: 1;
}

.brand-logo-mark {
  font-size: 2rem;
  font-weight: 700;
  color: var(--c-brand);
  letter-spacing: -.01em;
}

.brand-logo-sub {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--c-ink);
  padding-bottom: .28rem;
}

.brand-me:hover {
  text-decoration: none;
}

.custom-navbar {
  padding: 0;
  flex-wrap: wrap;
}

.navbar {
  border: 0;
  border-radius: 0;
  background: transparent !important;
}

.main-nav {
  gap: .2rem;
  margin-top: .25rem;
  margin-bottom: .25rem;
}

.main-nav .nav-link {
  display: inline-block;
  padding: .55rem .8rem;
  font-size: .95rem;
  font-weight: 500;
  color: var(--c-ink);
  border: 0;
  background: transparent;
  position: relative;
  border-radius: 0;
}

.main-nav .nav-link:hover,
.main-nav .nav-link:focus {
  color: var(--c-brand);
  background: transparent;
}

.main-nav .nav-link::after {
  content: "";
  position: absolute;
  left: .8rem;
  right: .8rem;
  bottom: .18rem;
  height: 2px;
  background: var(--c-brand);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .2s ease;
}

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

.main-nav .nav-link.active {
  color: var(--c-brand-strong);
  font-weight: 600;
}

.navbar-toggler {
  border: 1px solid rgba(60, 45, 25, .2);
  padding: .35rem .5rem;
  background: var(--c-surface);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(166, 91, 52, .15);
}

.navbar-toggler-icon {
  width: 1.25rem;
  height: 1.25rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(32,30,25,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}

.nav-login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  border: 1px solid rgba(60, 45, 25, .24);
  padding: .55rem 1.1rem;
  border-radius: var(--r-pill);
  font-size: .9rem;
  font-weight: 600;
  color: var(--c-ink);
  background: transparent;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}

.nav-login-btn:hover {
  background: var(--c-brand);
  border-color: var(--c-brand);
  color: #fff;
}

@media (max-width: 991.98px) {
  .custom-navbar {
    background: var(--c-surface);
    border-radius: var(--r-md);
    padding: .8rem 1rem;
  }
  .main-nav {
    gap: 0;
    margin: .65rem 0 .3rem;
  }
  .main-nav .nav-link {
    width: 100%;
    border-bottom: 1px solid var(--c-line-soft);
    padding: .75rem .5rem;
  }
  .main-nav .nav-link::after {
    display: none;
  }
  .main-nav .nav-link.active {
    color: var(--c-brand);
    background: rgba(166, 91, 52, .06);
  }
  .header-inner {
    padding: .5rem 0;
  }
  .nav-login-btn {
    margin: .4rem 0 .3rem;
  }
}

.article-hero {
  padding: clamp(2.2rem, 5vw, 4rem) 0 clamp(2.4rem, 5vw, 3.8rem);
  background-color: var(--c-bg);
  background-image:
    linear-gradient(110deg, rgba(243, 240, 234, .97) 20%, rgba(243, 240, 234, .85) 75%, rgba(249, 247, 242, .7) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center right;
  border-bottom: 1px solid var(--c-line);
}

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

.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: .85rem;
  color: var(--c-muted);
  margin-bottom: 1.1rem;
  gap: .25rem;
}

.breadcrumb-nav a {
  color: var(--c-muted);
  padding: .15rem .1rem;
  transition: color .18s ease;
}

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

.crumb-sep {
  margin: 0 .35rem;
  color: rgba(60, 45, 25, .32);
}

.crumb-current {
  color: var(--c-ink);
  max-width: 12em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--c-brand);
  text-transform: uppercase;
  background: rgba(166, 91, 52, .08);
  border: 1px solid rgba(166, 91, 52, .12);
  border-radius: var(--r-pill);
  padding: .32rem .85rem;
  margin-bottom: 1rem;
}

.eyebrow-dot {
  width: 5px;
  height: 5px;
  border-radius: 100px;
  background: var(--c-brand);
  display: inline-block;
}

.article-title-line {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.2vw, 2.8rem);
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: -.02em;
  color: var(--c-ink);
  margin-bottom: 1rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  font-size: .9rem;
  color: var(--c-muted);
  margin-top: 1.1rem;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: .38rem;
}

.meta-divider {
  width: 1px;
  height: 14px;
  background: var(--c-line);
  align-self: center;
}

.article-hero-figure {
  margin: 1.5rem 0 0;
}

.article-hero-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r-md);
  box-shadow: 0 20px 42px -26px rgba(50, 30, 10, .38);
}

@media (min-width: 992px) {
  .article-hero-figure {
    margin: .5rem 0 0 1.8rem;
  }
  .article-hero-figure img {
    aspect-ratio: 4 / 2.9;
  }
}

.article-main {
  padding: clamp(2rem, 4vw, 4.2rem) 0 2.8rem;
  background-color: var(--c-surface);
}

.article-body-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 2.6rem clamp(.8rem, 3vw, 2.6rem) 1.6rem;
  background: #fffdfa;
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  box-shadow: 0 16px 42px -32px rgba(50, 30, 10, .14);
}

.article-excerpt {
  border-left: 3px solid var(--c-brand);
  background: rgba(243, 240, 234, .55);
  padding: .9rem 1.3rem;
  margin: .6rem 0 2rem;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--c-muted);
  font-size: .95rem;
  line-height: 1.8;
}

.article-prose {
  font-family: var(--font-sans);
  color: var(--c-ink);
  font-size: 1.05rem;
  line-height: 2;
  word-wrap: break-word;
}

.article-prose p {
  margin: 0 0 1.6em;
}

.article-prose h2,
.article-prose h3,
.article-prose h4 {
  font-family: var(--font-serif);
  line-height: 1.4;
  margin-top: 2em;
  margin-bottom: .75em;
  letter-spacing: -.01em;
}

.article-prose h2 {
  font-size: 1.55rem;
}

.article-prose h3 {
  font-size: 1.2rem;
}

.article-prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  margin: 1.8rem 0;
}

.article-prose figure {
  margin: 2rem 0;
}

.article-prose figcaption {
  text-align: center;
  font-size: .82rem;
  color: var(--c-muted);
  margin-top: -.85rem;
  margin-bottom: 1.9rem;
  padding: 0 .5rem;
}

.article-prose blockquote {
  background: var(--c-surface);
  border-left: 4px solid var(--c-brand);
  padding: 1.1rem 1.3rem;
  margin: 1.8rem 0;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--c-muted);
}

.article-prose blockquote p:last-child {
  margin-bottom: 0;
}

.article-prose ul,
.article-prose ol {
  margin: 0 0 1.7em;
  padding-left: 1.35rem;
}

.article-prose li {
  margin-bottom: .45em;
}

.article-prose a {
  border-bottom: 1px solid rgba(166, 91, 52, .35);
}

.article-prose a:hover {
  border-bottom-color: var(--c-brand-strong);
}

.article-prose code {
  background: rgba(60, 45, 25, .06);
  color: var(--c-brand-strong);
  padding: .16rem .42rem;
  border-radius: var(--r-sm);
  font-size: .9em;
}

.article-prose pre {
  background: var(--c-dark);
  color: #eee8dd;
  padding: 1.4rem;
  border-radius: var(--r-md);
  overflow-x: auto;
  margin: 1.8rem 0;
  font-size: .9em;
}

.article-prose pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.article-bottom-left {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .55rem .8rem;
  margin-top: 2.4rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--c-line-soft);
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  background: rgba(101, 112, 90, .12);
  color: var(--c-success);
  font-size: .82rem;
  font-weight: 600;
  padding: .3rem .85rem;
  border-radius: var(--r-pill);
}

.article-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-top: 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--c-line-soft);
}

.back-home-link {
  display: inline-flex;
  font-size: .9rem;
  gap: .4rem;
  color: var(--c-muted);
}

.back-home-link i {
  color: var(--c-brand);
}

.not-found-wrap {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: 4.8rem 1.2rem;
}

.not-found-wrap h2 {
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  color: var(--c-ink);
}

.not-found-wrap p {
  color: var(--c-muted);
  margin-bottom: 1.8rem;
}

.not-found-btn {
  display: inline-flex;
  padding: .8rem 1.8rem;
  border-radius: var(--r-pill);
  background: var(--c-brand);
  color: #fff;
  font-weight: 600;
}

.not-found-btn:hover {
  background: var(--c-brand-strong);
  color: #fff;
}

.related-section {
  background: var(--c-bg);
  padding: 3.6rem 0 4rem;
}

.related-section .section-kicker {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--c-brand);
  text-transform: uppercase;
  margin-bottom: .4rem;
}

.section-kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--c-brand);
}

.related-title {
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  font-weight: 650;
  letter-spacing: -.02em;
  margin: 0 0 .6rem;
}

.related-intro {
  color: var(--c-muted);
  margin-bottom: 2.2rem;
}

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

.related-item {
  display: flex;
  flex-direction: column;
  gap: .35rem .8rem;
  padding: 1.15rem .25rem;
  border-bottom: 1px solid var(--c-line-soft);
}

.related-item:first-child {
  border-top: 1px solid var(--c-line-soft);
}

@media (min-width: 768px) {
  .related-item {
    flex-direction: row;
    align-items: baseline;
  }
}

.related-index {
  flex: 0 0 2.4rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--c-brand);
  font-variant-numeric: tabular-nums;
}

.related-main {
  flex: 1;
  min-width: 0;
}

.related-main-title {
  margin: 0 0 .2rem;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.55;
}

.related-main-title a {
  color: var(--c-ink);
}

.related-main-title a:hover {
  color: var(--c-brand);
}

.related-desc {
  color: var(--c-muted);
  font-size: .9rem;
  margin: .1rem 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-date {
  flex: 0 0 auto;
  font-size: .85rem;
  color: var(--c-muted);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 992px) {
  .related-date {
    white-space: nowrap;
  }
}

.related-empty {
  color: var(--c-muted);
  padding: 2rem 0;
}

.cta-band {
  background: var(--c-dark);
  color: #f0ece2;
  padding: 2.8rem 0 3.5rem;
}

.cta-band h2 {
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  letter-spacing: -.02em;
  margin: 0 0 .6rem;
}

.cta-band-text {
  color: rgba(240, 236, 226, .72);
  margin: 0;
  max-width: 680px;
}

.cta-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1.4rem;
}

.cta-btn-solid {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: var(--c-brand);
  border-radius: var(--r-pill);
  padding: .7rem 1.6rem;
  color: #fff;
  font-weight: 600;
  border: 1px solid transparent;
}

.cta-btn-solid:hover {
  background: #c06c42;
  color: #fff;
}

.cta-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  border: 1px solid rgba(240, 236, 226, .3);
  border-radius: var(--r-pill);
  padding: .7rem 1.6rem;
  color: rgba(240, 236, 226, .85);
  font-weight: 500;
}

.cta-btn-ghost:hover {
  border-color: var(--c-brand);
  color: var(--c-brand);
}

@media (max-width: 575.98px) {
  .cta-btn-group .cta-btn-solid,
  .cta-btn-group .cta-btn-ghost {
    width: 100%;
    justify-content: center;
  }
}

.site-footer {
  background: var(--c-bg);
  padding: 3.8rem 0 1.9rem;
  border-top: 1px solid var(--c-line);
}

.footer-brand .brand-me {
  margin-bottom: .9rem;
}

.footer-description {
  color: var(--c-muted);
  font-size: .9rem;
  line-height: 1.85;
  margin: 0;
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 650;
  color: var(--c-ink);
  margin-bottom: 1rem;
  letter-spacing: .02em;
}

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

.footer-nav-list li {
  margin-bottom: .55rem;
}

.footer-nav-list a {
  color: var(--c-muted);
  font-size: .9rem;
  transition: color .18s ease, padding-left .18s ease;
}

.footer-nav-list a:hover {
  color: var(--c-brand);
  padding-left: .2rem;
}

.footer-bottom {
  margin-top: 2.6rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--c-line-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .6rem 2rem;
  color: var(--c-muted);
  font-size: .86rem;
}

.footer-home {
  color: var(--c-brand);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    transition: none !important;
  }
}

@media (max-width: 767.98px) {
  .article-title-line {
    font-size: 1.65rem;
  }
  .article-hero {
    padding: 2rem 0 2.4rem;
  }
  .article-body-wrap {
    padding: 2rem 1.2rem 1.4rem;
    border-radius: var(--r-sm);
  }
  .article-main {
    padding: 1.6rem 0 2.4rem;
  }
}

/* roulang page: category1 */
:root {
    --c-bg: #F3F0EA;
    --c-surface: #F9F7F2;
    --c-ink: #201D19;
    --c-muted: #6E675C;
    --c-brand: #A65B34;
    --c-brand-strong: #7E4328;
    --c-success: #65705A;
    --c-danger: #A64B3A;
    --c-line: rgba(60, 45, 25, 0.13);
    --c-line-soft: rgba(60, 45, 25, 0.09);
    --c-dark: #211E1A;
    --c-shadow-1: rgba(50, 30, 10, 0.08);
    --c-shadow-2: rgba(50, 30, 10, 0.14);
    --r-sm: 4px;
    --r-md: 8px;
    --r-pill: 100px;
    --container: 1240px;
    --sp-2: 8px;
    --sp-4: 16px;
    --sp-6: 24px;
    --sp-8: 32px;
    --sp-10: 40px;
    --sp-12: 48px;
    --sp-16: 64px;
    --sp-20: 80px;
    --fs-hero: clamp(2.8rem, 6vw, 5rem);
    --fs-h1: clamp(2rem, 4vw, 3.2rem);
    --fs-h2: clamp(1.6rem, 3vw, 2.4rem);
    --fs-h3: clamp(1.2rem, 2vw, 1.5rem);
    --fs-body: 1rem;
    --fs-small: 0.875rem;
    --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
    --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif;
    --font-data: "DIN Alternate", "Bahnschrift", "Arial Narrow", var(--font-sans);
}

*, *::before, *::after {
    box-sizing: border-box;
}
html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: var(--c-bg);
    color: var(--c-ink);
    font-family: var(--font-sans);
    font-size: var(--fs-body);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img {
    display: block;
    max-width: 100%;
    height: auto;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
input, select, textarea, button {
    font-family: inherit;
    font-size: 1rem;
}
.container-xxl {
    max-width: 1280px;
    padding-left: 24px;
    padding-right: 24px;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(243, 240, 234, 0.94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--c-line);
}
.site-header .header-inner {
    width: 100%;
}
.custom-navbar {
    min-height: 72px;
    padding-top: 0;
    padding-bottom: 0;
}
.brand-me {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    line-height: 1;
}
.navbar-brand.brand-me {
    padding-top: 0;
    padding-bottom: 0;
    margin-right: 0;
}
.brand-logo-mark {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.05em;
    color: var(--c-brand);
    display: block;
}
.brand-logo-sub {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    line-height: 1.3;
    color: var(--c-ink);
    max-width: 46px;
}
.main-nav {
    gap: 6px;
}
.main-nav .nav-link {
    position: relative;
    display: inline-block;
    padding: 0.8rem 1rem;
    color: var(--c-ink);
    font-weight: 500;
    font-size: 0.95rem;
    white-space: nowrap;
}
.main-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    right: 50%;
    bottom: 2px;
    height: 2px;
    background: var(--c-brand);
    transition: left 0.2s ease, right 0.2s ease;
}
.main-nav .nav-link:hover,
.main-nav .nav-link:focus,
.main-nav .nav-link.active {
    color: var(--c-brand-strong);
}
.main-nav .nav-link.active::after,
.main-nav .nav-link:hover::after,
.main-nav .nav-link:focus::after {
    left: 1rem;
    right: 1rem;
}
.main-nav .nav-link:focus-visible,
.nav-login-btn:focus-visible {
    outline: 2px solid var(--c-brand);
    outline-offset: 4px;
    border-radius: 4px;
}
.nav-cta .nav-login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.5rem 1.3rem;
    border: 1px solid rgba(166, 91, 52, 0.45);
    border-radius: var(--r-pill);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--c-brand-strong);
    background: transparent;
    transition: all 0.22s ease;
}
.nav-cta .nav-login-btn:hover,
.nav-cta .nav-login-btn:focus {
    color: #fff;
    background: var(--c-brand);
    border-color: var(--c-brand);
}
.navbar-toggler {
    border: 0;
    padding: 0.45rem 0.5rem;
    border-radius: var(--r-sm);
}
.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(166, 91, 52, 0.16);
}
.navbar-toggler-icon {
    --bs-navbar-toggler-icon-bg: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(32, 29, 25, 0.82)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.section {
    padding: var(--sp-20) 0;
}
.section-kicker,
.hero-kicker,
.eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 0.16em;
    font-weight: 600;
    color: var(--c-brand);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}
.section-title {
    font-family: var(--font-serif);
    font-size: var(--fs-h2);
    font-weight: 700;
    line-height: 1.24;
    letter-spacing: -0.02em;
    margin: 0 0 1rem;
}
.section-desc {
    font-size: 1.05rem;
    color: var(--c-muted);
    max-width: 760px;
    margin-bottom: 0;
}
.page-kicker {
    font-family: var(--font-data);
    letter-spacing: 0.12em;
    font-size: 0.8rem;
    text-transform: uppercase;
}

/* 分类页页头 */
.category-hero {
    position: relative;
    padding: 82px 0 78px;
    color: #fff;
    background: var(--c-dark);
    overflow: hidden;
    border-bottom: 1px solid var(--c-line);
}
.category-hero .hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.26;
    mix-blend-mode: screen;
    pointer-events: none;
}
.category-hero .container-xxl {
    position: relative;
    z-index: 2;
}
.category-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.64);
    margin-bottom: 34px;
}
.category-breadcrumb a {
    color: rgba(255, 255, 255, 0.82);
}
.category-breadcrumb a:hover {
    color: #fff;
}
.category-breadcrumb .current {
    color: #fff;
    font-weight: 600;
}
.category-hero .hero-kicker {
    color: #e7b298;
}
.category-hero h1 {
    font-family: var(--font-serif);
    font-size: var(--fs-h1);
    font-weight: 700;
    line-height: 1.2;
    margin: 0.2rem 0 1.1rem;
    color: #fff;
}
.category-hero .hero-lead {
    max-width: 680px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 1.12rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}
.btn-primary-custom,
.btn-ghost-custom {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0.7rem 1.6rem;
    border-radius: var(--r-pill);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.22s ease;
}
.btn-primary-custom {
    color: #fff;
    background: var(--c-brand);
    border: 1px solid var(--c-brand);
}
.btn-primary-custom:hover {
    background: var(--c-brand-strong);
    border-color: var(--c-brand-strong);
    transform: translateY(-1px);
    color: #fff;
}
.btn-ghost-custom {
    color: #fff;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.42);
    margin-left: 0.5rem;
}
.btn-ghost-custom:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

/* 栏目介绍图文 */
.intro-split-section {
    padding: 96px 0;
}
.visual-frame {
    position: relative;
    margin: 0;
    overflow: hidden;
    border-radius: var(--r-md);
    box-shadow: 0 18px 42px -24px var(--c-shadow-2);
}
.visual-frame img {
    width: 100%;
    min-height: 280px;
    object-fit: cover;
}
.intro-list {
    margin-top: 1.75rem;
    list-style: none;
    padding: 0;
}
.intro-list li {
    position: relative;
    padding: 0.58rem 0 0.58rem 1.6rem;
    font-size: 1rem;
    color: var(--c-ink);
    border-bottom: 1px solid var(--c-line-soft);
}
.intro-list li:last-child {
    border-bottom: 0;
}
.intro-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1.05rem;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--c-brand);
}

/* 服务范围 */
.range-section {
    background: var(--c-surface);
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
}
.range-section .section-head-wrap {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2.6rem;
}
.service-list {
    border-top: 1px solid var(--c-line);
}
.service-row {
    display: grid;
    grid-template-columns: 84px minmax(210px, 0.9fr) minmax(280px, 1.1fr) 44px;
    align-items: center;
    gap: 20px;
    padding: 1.7rem 0.25rem;
    border-bottom: 1px solid var(--c-line);
    transition: background 0.22s ease, padding-left 0.22s ease;
    border-radius: var(--r-sm);
}
.service-row:hover {
    background: rgba(255, 255, 255, 0.68);
    padding-left: 0.8rem;
}
.service-row .service-no {
    font-family: var(--font-data);
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-muted);
    font-variant-numeric: tabular-nums;
}
.service-row .service-name {
    font-family: var(--font-serif);
    font-size: 1.42rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--c-ink);
    margin: 0;
    transition: color 0.2s ease;
}
.service-row:hover .service-name {
    color: var(--c-brand);
}
.service-row .service-desc {
    color: var(--c-muted);
    font-size: 0.98rem;
    line-height: 1.7;
    margin: 0;
}
.service-row .service-arrow {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--c-line);
    color: var(--c-brand);
    transition: transform 0.22s ease, background 0.22s ease, color 0.22s ease;
}
.service-row:hover .service-arrow {
    background: var(--c-brand);
    color: #fff;
    transform: translateX(3px);
}

/* 分类入口 */
.portal-section {
    padding: var(--sp-20) 0;
}
.portal-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 2.5rem;
}
.portal-item {
    display: block;
    border: 1px solid var(--c-line);
    border-radius: var(--r-md);
    background: var(--c-surface);
    overflow: hidden;
    transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}
.portal-item:hover,
.portal-item:focus-visible {
    border-color: rgba(166, 91, 52, 0.42);
    box-shadow: 0 16px 34px -24px var(--c-shadow-2);
    transform: translateY(-2px);
}
.portal-item .portal-inner {
    display: grid;
    grid-template-columns: 240px 1fr auto;
    align-items: center;
    gap: 28px;
    padding: 16px 22px 16px 16px;
}
.portal-photo {
    overflow: hidden;
    border-radius: var(--r-sm);
}
.portal-photo img {
    width: 100%;
    height: 128px;
    object-fit: cover;
    transition: transform 0.42s ease;
}
.portal-item:hover .portal-photo img {
    transform: scale(1.035);
}
.portal-tag {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--c-brand);
    border-bottom: 1px solid rgba(166, 91, 52, 0.24);
    padding-bottom: 3px;
    margin-bottom: 0.6rem;
}
.portal-item h3 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0 0 0.55rem;
}
.portal-item p {
    font-size: 0.95rem;
    color: var(--c-muted);
    margin: 0;
    max-width: 660px;
}
.portal-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    min-height: 44px;
    border-radius: var(--r-pill);
    border: 1px solid rgba(166, 91, 52, 0.35);
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--c-brand-strong);
}
.portal-item:hover .portal-link {
    background: var(--c-brand);
    border-color: var(--c-brand);
    color: #fff;
}

/* 浏览路径 */
.process-section {
    background: var(--c-surface);
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--c-line);
    border-left: 1px solid var(--c-line);
    margin-top: 2.6rem;
}
.step-item {
    padding: 2.2rem 1.8rem 2.2rem 1.4rem;
    border-right: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
    min-height: 230px;
}
.step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(166, 91, 52, 0.1);
    color: var(--c-brand-strong);
    font-family: var(--font-data);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 1.15rem;
}
.step-item h3 {
    font-size: 1.16rem;
    font-weight: 700;
    margin: 0 0 0.55rem;
}
.step-item p {
    color: var(--c-muted);
    font-size: 0.95rem;
    line-height: 1.75;
    margin: 0;
}

/* FAQ */
.faq-section {
    padding: var(--sp-20) 0;
}
.faq-wrap {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 56px;
    margin-top: 1rem;
}
.faq-aside .section-title {
    margin-bottom: 1.1rem;
}
.faq-aside p {
    color: var(--c-muted);
    max-width: 340px;
}
.faq-list {
    border-top: 1px solid var(--c-line);
}
.faq-row {
    border-bottom: 1px solid var(--c-line);
}
.faq-row summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 22px;
    padding: 1.26rem 0.2rem;
    cursor: pointer;
    transition: color 0.2s ease;
}
.faq-row summary::-webkit-details-marker {
    display: none;
}
.faq-row summary:hover,
.faq-row[open] summary {
    color: var(--c-brand-strong);
}
.faq-question-text {
    font-size: 1.08rem;
    font-weight: 650;
    line-height: 1.5;
}
.faq-icon {
    flex: 0 0 32px;
    width: 32px;
    height: 32px;
    border: 1px solid var(--c-line);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--c-brand);
    transition: transform 0.24s ease, background 0.24s ease, color 0.24s ease;
}
.faq-row[open] .faq-icon {
    transform: rotate(45deg);
    background: var(--c-brand);
    color: #fff;
    border-color: var(--c-brand);
}
.faq-answer {
    color: var(--c-muted);
    font-size: 1rem;
    line-height: 1.85;
    max-width: 820px;
    padding: 0 0.35rem 1.5rem;
}
.faq-answer p {
    margin-bottom: 0.5rem;
}
.faq-answer a {
    color: var(--c-brand);
    border-bottom: 1px solid rgba(166, 91, 52, 0.35);
}
.faq-answer a:hover {
    color: var(--c-brand-strong);
    border-bottom-color: var(--c-brand-strong);
}

/* 转化 / 联系区块 */
.contact-section {
    padding: var(--sp-20) 0;
    background: var(--c-dark);
    color: #fff;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 72px;
    align-items: start;
}
.contact-copy .section-kicker {
    color: #e0a686;
}
.contact-copy .section-title {
    color: #fff;
}
.contact-copy > p {
    color: rgba(255, 255, 255, 0.72);
    font-size: 1.02rem;
    line-height: 1.85;
    margin-bottom: 1.5rem;
}
.contact-copy .contact-points {
    list-style: none;
    padding: 0;
    margin: 0;
}
.contact-copy .contact-points li {
    position: relative;
    padding: 0.55rem 0 0.55rem 1.4rem;
    color: rgba(255, 255, 255, 0.8);
}
.contact-copy .contact-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1.04rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-brand);
}
.contact-form-panel {
    background: var(--c-surface);
    color: var(--c-ink);
    padding: 2.2rem;
    border-radius: var(--r-md);
    box-shadow: 0 20px 44px -26px rgba(0, 0, 0, 0.5);
}
.form-label {
    display: block;
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--c-ink);
}
.form-control-transparent {
    display: block;
    width: 100%;
    background: #FDFCF9;
    border: 1px solid rgba(125, 90, 50, 0.28);
    color: var(--c-ink);
    border-radius: var(--r-sm);
    padding: 0.78rem 1rem;
    font-size: 0.95rem;
    line-height: 1.5;
    min-height: 48px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-control-transparent::placeholder {
    color: #A39A8E;
    font-size: 0.9rem;
}
.form-control-transparent:focus {
    outline: none;
    border-color: var(--c-brand);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(166, 91, 52, 0.12);
}
textarea.form-control-transparent {
    min-height: 120px;
    resize: vertical;
}
.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 52px;
    border: 1px solid var(--c-brand);
    background: var(--c-brand);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--r-pill);
    margin-top: 0.35rem;
    transition: all 0.22s ease;
    cursor: pointer;
}
.btn-submit:hover {
    background: var(--c-brand-strong);
    border-color: var(--c-brand-strong);
    transform: translateY(-1px);
}
.btn-submit:active {
    transform: translateY(0);
}
.btn-submit:focus-visible {
    outline: 2px solid var(--c-brand);
    outline-offset: 3px;
}

/* 页脚 */
.site-footer {
    background: var(--c-bg);
    padding-top: 72px;
    border-top: 1px solid var(--c-line);
}
.site-footer .brand-me {
    margin-bottom: 1rem;
}
.site-footer .footer-description {
    font-size: 0.94rem;
    color: var(--c-muted);
    max-width: 360px;
    line-height: 1.85;
    margin-top: 1rem;
}
.site-footer .footer-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0.2rem 0 1rem;
    color: var(--c-ink);
}
.footer-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-nav-list li {
    margin: 0.5rem 0;
}
.footer-nav-list a {
    color: var(--c-muted);
    font-size: 0.95rem;
    display: inline-block;
    padding: 0.1rem 0;
}
.footer-nav-list a:hover {
    color: var(--c-brand);
}
.site-footer .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-top: 1px solid var(--c-line);
    margin-top: 58px;
    padding: 24px 0 28px;
    font-size: 0.88rem;
    color: var(--c-muted);
}
.site-footer .footer-home {
    color: var(--c-muted);
    border-bottom: 1px solid var(--c-line);
}
.site-footer .footer-home:hover {
    color: var(--c-brand);
    border-color: var(--c-brand);
}

/* 响应式 */
@media (max-width: 1199.98px) {
    .service-row {
        grid-template-columns: 64px minmax(190px, 0.8fr) minmax(230px, 1.2fr) 36px;
        gap: 16px;
    }
    .service-row .service-name {
        font-size: 1.25rem;
    }
    .process-section .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .step-item {
        min-height: 0;
    }
}
@media (max-width: 991.98px) {
    .custom-navbar {
        min-height: 62px;
    }
    .navbar-collapse {
        background: var(--c-surface);
        margin-top: 0.75rem;
        border-top: 1px solid var(--c-line);
        border-bottom: 1px solid var(--c-line);
        box-shadow: 0 18px 34px -30px var(--c-shadow-2);
        padding: 1rem 0 1.2rem;
    }
    .main-nav {
        gap: 0;
    }
    .main-nav .nav-link {
        display: block;
        padding: 0.9rem 0;
        border-bottom: 1px solid var(--c-line-soft);
    }
    .main-nav .nav-link::after {
        display: none;
    }
    .main-nav .nav-link.active,
    .main-nav .nav-link:hover {
        color: var(--c-brand);
    }
    .nav-cta {
        margin-top: 1rem;
    }
    .nav-cta .nav-login-btn {
        width: 100%;
        min-height: 48px;
    }
    .faq-wrap,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .portal-item .portal-inner {
        grid-template-columns: 180px 1fr;
    }
    .portal-link {
        grid-column: 2;
        justify-self: start;
    }
}
@media (max-width: 767.98px) {
    .section {
        padding: 64px 0;
    }
    .intro-split-section,
    .process-section {
        padding: 64px 0;
    }
    .category-hero {
        padding: 62px 0 64px;
    }
    .category-hero .hero-actions {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .category-hero .btn-ghost-custom {
        margin-left: 0;
    }
    .service-row {
        grid-template-columns: 52px 1fr;
        gap: 10px 14px;
        padding: 1.4rem 0;
    }
    .service-row .service-desc {
        grid-column: 2;
    }
    .service-row .service-arrow {
        display: none;
    }
    .service-row:hover {
        padding-left: 0.25rem;
    }
    .portal-item .portal-inner {
        grid-template-columns: 1fr;
        padding: 14px;
    }
    .portal-photo img {
        height: 170px;
    }
    .portal-link {
        grid-column: auto;
        justify-self: start;
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .step-item {
        min-height: 0;
        padding: 1.5rem 1.2rem;
    }
    .faq-question-text {
        font-size: 1rem;
    }
    .contact-form-panel {
        padding: 1.5rem 1.2rem;
    }
    .site-footer .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        margin-top: 42px;
    }
    .container-xxl {
        padding-left: 18px;
        padding-right: 18px;
    }
    .range-section .section-head-wrap {
        display: block;
    }
}
@media (max-width: 575.98px) {
    .intro-list {
        margin-top: 1.2rem;
    }
    .portal-item .portal-inner {
        grid-template-columns: 1fr;
        padding: 12px;
    }
    .portal-item h3 {
        font-size: 1.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001s !important;
        transition-duration: 0.001s !important;
        scroll-behavior: auto !important;
    }
}

/* roulang page: category3 */
:root{
  --c-bg:#F3F0EA;
  --c-surface:#F9F7F2;
  --c-ink:#201D19;
  --c-muted:#6E675C;
  --c-brand:#A65B34;
  --c-brand-strong:#7E4328;
  --c-success:#65705A;
  --c-danger:#A64B3A;
  --c-line:rgba(60,45,25,.13);
  --c-line-soft:rgba(60,45,25,.09);
  --c-dark:#211E1A;
  --c-shadow-1:rgba(50,30,10,.08);
  --c-shadow-2:rgba(50,30,10,.14);
  --r-sm:4px;
  --r-md:8px;
  --r-pill:100px;
  --container:1240px;
  --sp-1:4px;
  --sp-2:8px;
  --sp-4:16px;
  --sp-6:24px;
  --sp-8:32px;
  --sp-10:40px;
  --sp-12:48px;
  --sp-16:64px;
  --sp-20:80px;
  --fs-hero:clamp(2.8rem,6vw,5rem);
  --fs-h1:clamp(2rem,4vw,3.2rem);
  --fs-h2:clamp(1.6rem,3vw,2.4rem);
  --fs-h3:clamp(1.2rem,2vw,1.5rem);
  --fs-body:1rem;
  --fs-small:.875rem;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Segoe UI",sans-serif;
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC","SimSun",serif;
  --font-data:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--c-bg);
  color:var(--c-ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-brand-strong)}
ul{list-style:none;margin:0;padding:0}
.container{
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.container-xxl{max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
.container-narrow{max-width:900px;margin:0 auto}
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--c-brand);
  color:#fff;
  border:1px solid var(--c-brand);
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  padding:12px 30px;
  line-height:1.4;
  letter-spacing:.2px;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease;
  box-shadow:0 4px 0 rgba(0,0,0,0);
  cursor:pointer;
}
.btn-brand:hover{background:var(--c-brand-strong);border-color:var(--c-brand-strong);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -14px var(--c-shadow-2)}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:transparent;
  color:var(--c-ink);
  border:1px solid rgba(32,29,25,.45);
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  padding:12px 30px;
  line-height:1.4;
  transition:border-color .22s ease,background .22s ease,transform .22s ease;
}
.btn-outline:hover{background:var(--c-brand);border-color:var(--c-brand);color:#fff;transform:translateY(-2px)}
.section-caption{
  display:flex;
  align-items:center;
  gap:16px;
  margin-bottom:14px;
  font-size:13px;
  font-weight:600;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--c-muted);
}
.section-caption::before{
  content:"";
  width:36px;
  height:1px;
  background:var(--c-brand);
  flex:0 0 auto;
}
.section-title{
  font-family:var(--font-serif);
  font-size:var(--fs-h2);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.2;
  margin-bottom:16px;
  color:var(--c-ink);
}
.section-sub{
  font-size:16px;
  color:var(--c-muted);
  max-width:760px;
  margin-bottom:0;
  line-height:1.75;
}
/* ===== header ===== */
.site-header{
  position:relative;
  z-index:100;
  background:rgba(243,240,234,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line-soft);
}
.header-inner{width:100%}
.custom-navbar{
  padding-top:18px;
  padding-bottom:18px;
  min-height:72px;
}
.brand-me{
  display:inline-flex;
  align-items:baseline;
  text-decoration:none;
  flex:0 0 auto;
  margin-right:24px;
}
.brand-logo-mark{
  font-family:var(--font-serif);
  font-size:32px;
  font-weight:800;
  line-height:1;
  color:var(--c-ink);
  letter-spacing:-1.5px;
  transition:color .2s;
}
.brand-logo-mark::first-letter{color:var(--c-brand)}
.brand-me:hover .brand-logo-mark{color:var(--c-brand)}
.brand-logo-sub{
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:600;
  color:var(--c-muted);
  line-height:1;
  margin-left:9px;
  letter-spacing:.5px;
  border-left:1px solid var(--c-line);
  padding-left:10px;
  transform:translateY(1px);
  width:110px;
}
.main-nav{margin-left:auto}
.main-nav .nav-link{
  font-size:15px;
  font-weight:500;
  color:var(--c-ink);
  padding:10px 16px !important;
  position:relative;
  white-space:nowrap;
}
.main-nav .nav-link::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:4px;
  height:1.5px;
  background:var(--c-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.main-nav .nav-link:hover{color:var(--c-brand)}
.main-nav .nav-link:hover::after{transform:scaleX(1)}
.main-nav .nav-link.active{color:var(--c-brand);font-weight:600}
.main-nav .nav-link.active::after{transform:scaleX(1)}
.nav-cta{margin-left:10px}
.nav-login-btn{
  display:inline-block;
  font-size:14px;
  font-weight:600;
  color:var(--c-ink);
  border:1px solid rgba(32,29,25,.35);
  border-radius:50px;
  padding:8px 20px;
  transition:all .2s;
  white-space:nowrap;
}
.nav-login-btn:hover{
  background:var(--c-brand);
  border-color:var(--c-brand);
  color:#fff;
}
.navbar-toggler{
  border:none;
  padding:6px 10px;
}
.navbar-toggler:focus{
  box-shadow:none;
  outline:1px solid var(--c-brand);
  border-radius:4px;
}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='%23201D19' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media (max-width:991.98px){
  .navbar-collapse{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--c-surface);
    border-bottom:1px solid var(--c-line);
    padding:18px 24px 24px;
    box-shadow:0 24px 50px -30px rgba(50,30,10,.25);
  }
  .main-nav{margin-left:0;margin-bottom:12px}
  .main-nav .nav-link{
    padding:14px 0 !important;
    border-bottom:1px solid var(--c-line-soft);
  }
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.active::before{
    content:"";
    display:inline-block;
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--c-brand);
    margin-right:6px;
    vertical-align:middle;
  }
  .nav-cta{margin-left:0;padding-top:6px}
  .nav-login-btn{width:100%;text-align:center}
  .brand-logo-sub{display:none}
  .custom-navbar{padding-top:14px;padding-bottom:14px}
}
@media (max-width:420px){
  .brand-logo-mark{font-size:30px}
  .main-nav .nav-link{font-size:16px}
}
/* ===== page hero ===== */
.access-hero{
  position:relative;
  overflow:hidden;
  background-color:var(--c-dark);
  color:var(--c-bg);
  padding:110px 0 90px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  isolation:isolate;
}
.access-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg, rgba(33,30,26,.96) 0%, rgba(33,30,26,.86) 50%, rgba(33,30,26,.55) 100%);
  z-index:-1;
}
.access-hero-inner{
  display:grid;
  grid-template-columns:1fr .8fr;
  gap:48px;
  align-items:center;
}
.hero-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  font-size:13px;
  color:rgba(243,240,234,.66);
  margin-bottom:22px;
  letter-spacing:.4px;
}
.hero-breadcrumb a{
  color:rgba(243,240,234,.75);
  transition:color .2s;
}
.hero-breadcrumb a:hover{color:#fff}
.hero-breadcrumb i{
  font-size:10px;
  margin:0 10px;
  color:rgba(243,240,234,.35);
}
.access-hero h1{
  font-family:var(--font-serif);
  font-size:clamp(2.2rem,5vw,3.8rem);
  font-weight:700;
  line-height:1.18;
  color:#fff;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.access-hero h1 .htag{
  color:#E4A87D;
  font-style:normal;
}
.access-hero .hero-lead{
  font-size:17px;
  line-height:1.9;
  color:rgba(243,240,234,.78);
  max-width:620px;
  margin-bottom:30px;
}
.access-hero .hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:16px 34px;
  margin-top:8px;
}
.access-hero .hero-stat-item{
  font-size:14px;
  color:rgba(243,240,234,.65);
  display:flex;
  align-items:center;
  gap:8px;
}
.access-hero .hero-stat-item i{
  color:var(--c-brand);
  font-size:12px;
}
.access-hero-visual{
  border-radius:16px;
  overflow:hidden;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(6px);
  box-shadow:0 25px 60px -20px rgba(0,0,0,.6);
}
.access-hero-visual img{
  width:100%;
  height:320px;
  object-fit:cover;
  display:block;
  transition:transform .6s ease;
}
.access-hero-visual-inner{
  padding:18px 20px 14px;
}
.access-hero-visual-inner p{
  font-size:13px;
  margin-bottom:0;
  color:rgba(243,240,234,.75);
  text-align:center;
}
@media (max-width:991px){
  .access-hero{ padding:80px 0;}
  .access-hero-inner{grid-template-columns:1fr}
  .access-hero-visual{max-width:560px}
}
@media (max-width:767px){
  .access-hero{padding:64px 0}
  .access-hero h1{font-size:2rem}
  .access-hero .hero-lead{font-size:15px}
}
/* ===== steps ===== */
.steps-area{
  position:relative;
  background:var(--c-surface);
  padding:100px 0;
  border-bottom:1px solid var(--c-line-soft);
}
.steps-head{
  text-align:center;
  margin-bottom:64px;
}
.steps-head .section-caption{
  justify-content:center;
  margin-bottom:10px;
}
.steps-head .section-caption::before{display:none}
.steps-head .section-title{margin-bottom:12px}
.steps-head .section-sub{margin:0 auto}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  counter-reset:stepCounter;
}
.step-card{
  background:var(--c-surface);
  border:1px solid var(--c-line-soft);
  border-radius:14px;
  padding:38px 30px 30px;
  position:relative;
  overflow:hidden;
  box-shadow:0 0 0 rgba(0,0,0,0);
  transition:transform .3s ease,box-shadow .3s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 40px -20px var(--c-shadow-2);
}
.step-card::before{
  counter-increment:stepCounter;
  content:"0" counter(stepCounter);
  position:absolute;
  top:-20px;
  right:-6px;
  font-family:var(--font-serif);
  font-weight:800;
  font-size:6rem;
  color:rgba(166,91,52,.06);
  line-height:1;
  pointer-events:none;
}
.step-icon{
  width:52px;
  height:52px;
  border-radius:14px;
  background:var(--c-brand);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:21px;
  margin-bottom:22px;
  box-shadow:0 8px 20px -8px rgba(166,91,52,.35);
}
.step-title{
  font-size:19px;
  font-weight:700;
  margin-bottom:12px;
  font-family:var(--font-serif);
}
.step-desc{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.8;
  margin-bottom:14px;
}
.step-extra{
  font-size:13px;
  color:var(--c-brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
@media (max-width:991px){
  .steps-grid{grid-template-columns:1fr;max-width:640px;margin:0 auto}
}
@media (max-width:767px){
  .steps-area{padding:64px 0}
  .steps-head{margin-bottom:48px}
  .step-card{padding:30px 22px}
}
/* ===== prepare list ===== */
.prepare-area{
  background:var(--c-bg);
  padding:100px 0;
}
.prepare-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:28px;
}
.prepare-info{
  grid-column:span 5;
}
.prepare-cards{
  grid-column:span 7;
  display:grid;
  gap:16px;
}
.prepare-cards .row{row-gap:16px}
.prepare-item{
  display:flex;
  gap:14px;
  background:var(--c-surface);
  border:1px solid var(--c-line-soft);
  border-radius:12px;
  padding:20px 22px;
  transition:border-color .2s,box-shadow .2s;
  height:100%;
}
.prepare-item:hover{
  border-color:rgba(166,91,52,.3);
  box-shadow:0 12px 24px -18px var(--c-shadow-2);
}
.prepare-item .icon-sq{
  flex:0 0 auto;
  width:42px;
  height:42px;
  border-radius:10px;
  background:rgba(166,91,52,.1);
  color:var(--c-brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
}
.prepare-item .info h4{
  font-size:16px;
  font-weight:600;
  margin-bottom:6px;
}
.prepare-item .info p{
  font-size:13px;
  color:var(--c-muted);
  margin:0;
  line-height:1.7;
}
.prepare-tip{
  margin-top:28px;
  background:var(--c-surface);
  border-left:3px solid var(--c-success);
  border-radius:0 10px 10px 0;
  padding:18px 22px;
  font-size:14px;
  line-height:1.8;
  color:var(--c-muted);
}
@media (max-width:991px){
  .prepare-info,.prepare-cards{grid-column:span 12}
}
@media (max-width:767px){
  .prepare-area{padding:64px 0}
  .prepare-item{padding:16px 18px}
}
/* ===== category entrance ===== */
.entrance-area{
  background:var(--c-dark);
  color:#fff;
  padding:90px 0;
  position:relative;
  overflow:hidden;
}
.entrance-area::before{
  content:"";
  position:absolute;
  width:500px;
  height:500px;
  border-radius:50%;
  background:rgba(166,91,52,.13);
  top:-240px;
  right:-120px;
  pointer-events:none;
}
.entrance-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.entrance-area .section-title{
  color:#fff;
}
.entrance-area .section-sub{
  color:rgba(243,240,234,.62);
  font-size:15px;
}
.entrance-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.entrance-card-item{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.09);
  border-radius:14px;
  padding:26px;
  transition:background .25s,border-color .25s,transform .25s;
}
.entrance-card-item:hover{
  background:rgba(255,255,255,.08);
  border-color:rgba(166,91,52,.5);
  transform:translateY(-3px);
}
.entrance-card-item .ec-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:12px;
}
.entrance-card-item .num{
  font-family:var(--font-serif);
  font-size:26px;
  font-weight:800;
  color:rgba(255,255,255,.18);
}
.entrance-card-item .round-icon{
  width:42px;
  height:42px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(166,91,52,.15);
  color:#d8a07a;
  font-size:17px;
}
.entrance-card-item h4{
  font-size:18px;
  font-weight:600;
  margin-bottom:8px;
  color:#fff;
}
.entrance-card-item p{
  font-size:14px;
  line-height:1.7;
  color:rgba(243,240,234,.66);
  margin-bottom:18px;
}
.entrance-link{
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-weight:600;
  color:#d8a07a;
  transition:gap .2s;
}
.entrance-link:hover{color:#fff;gap:7px}
@media (max-width:991px){
  .entrance-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
}
@media (max-width:767px){
  .entrance-area{padding:64px 0}
  .entrance-head{gap:16px}
}
/* ===== note ===== */
.note-area{
  padding:100px 0;
  background:var(--c-surface);
}
.note-wrap{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:start;
}
.note-content{
  background:var(--c-bg);
  border-radius:12px;
  border:1px solid var(--c-line-soft);
  padding:34px;
}
.note-content h3{
  font-family:var(--font-serif);
  font-size:22px;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:10px;
}
.note-content h3 i{color:var(--c-brand)}
.note-list li{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--c-line-soft);
  font-size:14px;
  line-height:1.8;
  color:var(--c-ink);
}
.note-list li:last-child{border-bottom:none}
.note-list li .li-icon{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--c-brand);
  color:#fff;
  font-size:11px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-top:5px;
}
.note-visual{
  background:var(--c-dark);
  border-radius:16px;
  padding:32px;
  color:#fff;
  position:relative;
  overflow:hidden;
  min-height:315px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
}
.note-visual img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.3;
}
.note-visual .visual-body{
  position:relative;
  z-index:2;
}
.note-visual .visual-tag{
  font-size:11px;
  letter-spacing:2px;
  color:#d8a07a;
  text-transform:uppercase;
  margin-bottom:12px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:8px;
}
.note-visual .visual-tag::before{content:"";width:30px;height:1px;background:var(--c-brand)}
.note-visual p{
  font-size:14px;
  color:rgba(255,255,255,.75);
  line-height:1.85;
  margin-bottom:10px;
}
@media (max-width:991px){
  .note-wrap{grid-template-columns:1fr}
}
@media (max-width:767px){
  .note-area{padding:64px 0}
  .note-content{padding:24px 20px}
}
/* ===== faq ===== */
.faq-area{
  background:var(--c-bg);
  padding:100px 0;
}
.faq-header-row{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:44px;
  margin-bottom:30px;
  align-items:center;
}
.faq-area .section-sub{margin-bottom:0}
.faq-accordion .accordion-item{
  background:transparent;
  border:none;
  border-bottom:1px solid var(--c-line);
  margin-bottom:0;
}
.faq-accordion .accordion-button{
  background:transparent;
  font-size:18px;
  font-weight:600;
  color:var(--c-ink);
  padding:22px 40px 22px 0;
  font-family:var(--font-sans);
  line-height:1.5;
}
.faq-accordion .accordion-button::after{
  background:none;
  content:"+";
  font-family:var(--font-sans);
  font-size:26px;
  font-weight:300;
  color:var(--c-brand);
  display:flex;
  align-items:center;
  justify-content:center;
  width:24px;
  height:24px;
  position:absolute;
  right:4px;
  transition:transform .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:rotate(0deg);
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--c-brand);
  box-shadow:none;
  background:transparent;
}
.faq-accordion .accordion-button:focus{box-shadow:none}
.faq-accordion .accordion-body{
  padding:0 46px 22px 0;
  color:var(--c-muted);
  font-size:15px;
  line-height:1.85;
}
@media (max-width:991px){
  .faq-header-row{grid-template-columns:1fr;gap:24px}
}
@media (max-width:767px){
  .faq-area{padding:64px 0}
  .faq-accordion .accordion-button{font-size:16px}
}
/* ===== contact ===== */
.contact-area{
  background:var(--c-surface);
  border-top:1px solid var(--c-line-soft);
  border-bottom:1px solid var(--c-line-soft);
  padding:100px 0;
}
.contact-grid{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:54px;
  align-items:center;
}
.contact-intro h2{
  font-family:var(--font-serif);
  font-size:var(--fs-h2);
  font-weight:700;
  letter-spacing:-.02em;
  margin-bottom:14px;
  line-height:1.25;
}
.contact-intro p{
  color:var(--c-muted);
  margin-bottom:10px;
  font-size:15px;
  line-height:1.8;
}
.contact-meta{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-top:26px;
}
.contact-meta-item{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:14px;
  color:var(--c-ink);
}
.contact-meta-item .cm-icon{
  width:38px;
  height:38px;
  border-radius:12px;
  background:rgba(166,91,52,.1);
  color:var(--c-brand);
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.contact-meta-item a{font-weight:500}
.contact-form-wrap{
  background:var(--c-bg);
  border:1px solid var(--c-line-soft);
  border-radius:16px;
  padding:34px 32px;
  box-shadow:0 18px 40px -28px var(--c-shadow-2);
}
.contact-form-wrap h3{
  font-size:20px;
  font-weight:700;
  margin-bottom:6px;
  font-family:var(--font-serif);
}
.contact-form-wrap .form-tip{
  font-size:13px;
  color:var(--c-muted);
  margin-bottom:24px;
}
.form-label{
  font-size:14px;
  font-weight:600;
  color:var(--c-ink);
  margin-bottom:7px;
}
.form-control{
  background:#fff;
  border:1px solid rgba(125,90,50,.3);
  border-radius:var(--r-sm);
  height:48px;
  padding:10px 16px;
  font-size:14px;
  color:var(--c-ink);
  transition:border-color .2s,box-shadow .2s;
}
.form-control::placeholder{color:#9b958c;font-size:13px}
.form-control:focus{
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(166,91,52,.12);
  background:#fff;
}
textarea.form-control{height:auto;min-height:106px;resize:vertical}
.form-select{
  background:#fff;
  border:1px solid rgba(125,90,50,.3);
  border-radius:var(--r-sm);
  height:48px;
  font-size:14px;
  color:var(--c-ink);
}
.form-select:focus{
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(166,91,52,.12);
}
.btn-submit{
  background:var(--c-brand);
  border:none;
  color:#fff;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-pill);
  padding:13px 34px;
  width:100%;
  transition:background .2s,transform .2s;
  margin-top:8px;
  cursor:pointer;
}
.btn-submit:hover{background:var(--c-brand-strong);color:#fff;transform:translateY(-2px)}
@media (max-width:991px){
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .contact-form-wrap{padding:26px 22px}
}
@media (max-width:767px){
  .contact-area{padding:64px 0}
}
/* ===== footer ===== */
.site-footer{
  background:var(--c-dark);
  color:rgba(243,240,234,.7);
  padding:72px 0 26px;
  font-size:14px;
}
.site-footer .brand-me{
  display:inline-flex;
  align-items:baseline;
  margin-bottom:16px;
}
.site-footer .brand-logo-mark{
  font-size:30px;
  color:#fff;
}
.site-footer .brand-logo-sub{
  color:rgba(243,240,234,.55);
}
.footer-description{
  font-size:14px;
  color:rgba(243,240,234,.65);
  line-height:1.8;
}
.footer-title{
  font-family:var(--font-serif);
  font-size:16px;
  color:#fff;
  margin-bottom:16px;
  font-weight:700;
}
.footer-nav-list li{margin-bottom:10px}
.footer-nav-list a{
  color:rgba(243,240,234,.6);
  font-size:14px;
  transition:color .2s,padding-left .2s;
}
.footer-nav-list a:hover{
  color:#fff;
  padding-left:4px;
}
.footer-bottom{
  border-top:1px solid rgba(243,240,234,.1);
  margin-top:48px;
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:rgba(243,240,234,.38);
}
.footer-home{
  color:rgba(243,240,234,.5);
  border-bottom:1px solid rgba(243,240,234,.3);
}
.footer-home:hover{color:#fff;border-color:#fff}
@media (max-width:575px){
  .footer-bottom{flex-direction:column;justify-content:flex-start;align-items:flex-start}
}
/* ===== responsive global ===== */
@media (max-width:767px){
  .container,.container-xxl{padding-left:18px;padding-right:18px}
  .section-title{font-size:1.7rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root {
        --c-bg: #F3F0EA;
        --c-surface: #F9F7F2;
        --c-ink: #201D19;
        --c-muted: #6E675C;
        --c-brand: #A65B34;
        --c-brand-strong: #7E4328;
        --c-success: #65705A;
        --c-danger: #A64B3A;
        --c-line: rgba(60, 45, 25, 0.13);
        --c-line-soft: rgba(60, 45, 25, 0.09);
        --c-dark: #211E1A;
        --c-shadow-1: rgba(50, 30, 10, 0.08);
        --c-shadow-2: rgba(50, 30, 10, 0.14);
        --r-sm: 4px;
        --r-md: 8px;
        --r-pill: 100px;
        --container: 1240px;
        --sp-1: 4px;
        --sp-2: 8px;
        --sp-4: 16px;
        --sp-6: 24px;
        --sp-8: 32px;
        --sp-10: 40px;
        --sp-12: 48px;
        --sp-16: 64px;
        --sp-20: 80px;
        --fs-hero: clamp(2.8rem, 6vw, 5rem);
        --fs-h1: clamp(2rem, 4vw, 3.2rem);
        --fs-h2: clamp(1.6rem, 2.6vw, 2.4rem);
        --fs-h3: clamp(1.2rem, 1.8vw, 1.5rem);
        --fs-body: 1rem;
        --fs-small: 0.875rem;
        --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
        --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", SimSun, serif;
        --font-data: "DIN Alternate", "Bahnschrift", "Arial Narrow", var(--font-sans);
    }

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

    html {
        scroll-behavior: smooth;
    }

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

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

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

    a:hover {
        color: var(--c-brand-strong);
    }

    p {
        margin: 0;
    }

    h1, h2, h3, h4, h5 {
        margin: 0;
        font-weight: 600;
    }

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

    figure {
        margin: 0;
    }

    :focus-visible {
        outline: 2px solid var(--c-brand);
        outline-offset: 3px;
    }

    .skip-link {
        position: fixed;
        top: -100px;
        left: 20px;
        z-index: 2000;
        background: var(--c-brand);
        color: #fff;
        padding: 0.5rem 1rem;
        border-radius: 0 0 6px 6px;
        transition: top 0.2s ease;
    }

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

    .container-xxl {
        max-width: var(--container);
    }

    .section {
        padding: 96px 0;
    }

    .section-sm {
        padding: 72px 0;
    }

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

    .section-heading {
        max-width: 560px;
    }

    .section-heading .kicker,
    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.22em;
        color: var(--c-brand);
        text-transform: uppercase;
    }

    .section-heading .kicker::after {
        content: "";
        width: 44px;
        height: 1px;
        background: var(--c-brand);
        opacity: 0.8;
    }

    .section-title {
        margin-top: 12px;
        font-family: var(--font-serif);
        font-size: var(--fs-h2);
        line-height: 1.25;
        letter-spacing: -0.02em;
        color: var(--c-ink);
    }

    .section-subtitle {
        margin-top: 16px;
        color: var(--c-muted);
        font-size: 1rem;
    }

    /* ----------------------------------------------------- */
    /* Header & Nav                                            */
    /* ----------------------------------------------------- */
    .site-header {
        position: relative;
        z-index: 1050;
        background: rgba(243, 240, 234, 0.94);
        border-bottom: 1px solid var(--c-line);
    }

    .header-inner {
        display: flex;
        align-items: center;
        width: 100%;
    }

    .custom-navbar {
        padding: 10px 0;
        flex-wrap: wrap;
    }

    .navbar-brand.brand-me {
        display: inline-flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        line-height: 1.05;
        padding: 4px 0;
        margin-right: 18px;
        gap: 3px;
    }

    .brand-logo-mark {
        font-family: var(--font-serif);
        font-size: 1.55rem;
        font-weight: 700;
        letter-spacing: 0.02em;
        line-height: 1;
        color: var(--c-brand-strong);
    }

    .brand-logo-sub {
        font-size: 0.68rem;
        line-height: 1;
        letter-spacing: 0.32em;
        font-weight: 500;
        text-transform: uppercase;
        color: var(--c-muted);
        padding-left: 1px;
    }

    .main-nav {
        gap: 2px;
    }

    .main-nav .nav-link {
        position: relative;
        display: inline-block;
        padding: 0.55rem 0.8rem;
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--c-ink);
        white-space: nowrap;
    }

    .main-nav .nav-link::after {
        content: "";
        position: absolute;
        left: 0.8rem;
        right: 0.8rem;
        bottom: 5px;
        height: 1.5px;
        background: var(--c-brand);
        transform: scaleX(0);
        transform-origin: left center;
        transition: transform 0.22s ease;
    }

    .main-nav .nav-link:hover {
        color: var(--c-brand-strong);
    }

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

    .main-nav .nav-link.active {
        color: var(--c-brand-strong);
    }

    .nav-cta {
        border-left: 1px solid var(--c-line);
        padding-left: 16px;
        margin-left: 6px;
    }

    .nav-login-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 38px;
        padding: 0 18px;
        border: 1px solid rgba(126, 67, 40, 0.4);
        border-radius: 100px;
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--c-brand-strong);
        background: transparent;
        transition: all 0.2s ease;
    }

    .nav-login-btn:hover {
        color: #fff;
        background: var(--c-brand);
        border-color: var(--c-brand);
        box-shadow: 0 10px 24px -18px rgba(126, 67, 40, 0.5);
    }

    .navbar-toggler {
        border: 1px solid rgba(60, 45, 25, 0.2);
        border-radius: 6px;
        background: transparent;
        padding: 7px 10px;
    }

    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(166, 91, 52, 0.14);
    }

    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(60, 45, 25, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

    @media (max-width: 991.98px) {
        .navbar-collapse {
            margin-top: 12px;
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: 8px;
            padding: 18px 20px 22px;
            box-shadow: 0 20px 40px -32px rgba(50, 30, 10, 0.35);
        }

        .main-nav {
            gap: 0;
        }

        .main-nav .nav-link {
            display: block;
            padding: 14px 2px;
            font-size: 1rem;
            border-bottom: 1px solid var(--c-line-soft);
        }

        .main-nav .nav-link::after {
            display: none;
        }

        .nav-login-btn {
            margin-top: 16px;
            width: 100%;
            min-height: 44px;
        }

        .nav-cta {
            border-left: 0;
            padding-left: 0;
            margin-left: 0;
        }
    }

    /* ----------------------------------------------------- */
    /* Hero                                                   */
    /* ----------------------------------------------------- */
    .category-hero {
        position: relative;
        overflow: hidden;
        padding: 104px 0 92px;
        color: #fff;
        background-color: var(--c-dark);
        isolation: isolate;
    }

    .category-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        z-index: -2;
        background-image: linear-gradient(90deg, rgba(33, 30, 26, 0.92) 0%, rgba(33, 30, 26, 0.68) 100%), url("/assets/images/backpic/back-1.webp");
        background-size: cover;
        background-position: center;
    }

    .category-hero::after {
        content: "";
        position: absolute;
        z-index: -1;
        right: -12%;
        bottom: -45%;
        width: 46%;
        height: 90%;
        background: rgba(255, 255, 255, 0.04);
        transform: rotate(18deg);
    }

    .hero-inner {
        position: relative;
        z-index: 2;
        max-width: 860px;
    }

    .hero-breadcrumb {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 40px;
        font-size: 0.9rem;
        color: rgba(255, 255, 255, 0.72);
    }

    .hero-breadcrumb a {
        color: rgba(255, 255, 255, 0.82);
        text-decoration: none;
    }

    .hero-breadcrumb a:hover {
        color: #fff;
    }

    .hero-breadcrumb span.sep {
        opacity: 0.55;
    }

    .hero-eyebrow {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 10px;
        color: rgba(255, 255, 255, 0.8);
        font-size: 0.78rem;
        letter-spacing: 0.18em;
        text-transform: uppercase;
    }

    .hero-eyebrow .brand-key {
        color: #fff;
        font-weight: 600;
        letter-spacing: 0.12em;
    }

    .category-hero h1 {
        font-family: var(--font-serif);
        font-size: var(--fs-h1);
        font-weight: 600;
        line-height: 1.2;
        letter-spacing: -0.02em;
        color: #fff;
        margin-bottom: 18px;
    }

    .hero-deck {
        font-size: 1.08rem;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.82);
        max-width: 680px;
        margin-bottom: 30px;
    }

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

    .btn-warm {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 46px;
        padding: 0 26px;
        background: var(--c-brand);
        border: 1px solid var(--c-brand);
        border-radius: 100px;
        color: #fff;
        font-weight: 500;
        font-size: 0.95rem;
        transition: all 0.2s ease;
        box-shadow: 0 12px 26px -16px rgba(126, 67, 40, 0.7);
    }

    .btn-warm:hover {
        background: var(--c-brand-strong);
        border-color: var(--c-brand-strong);
        color: #fff;
        transform: translateY(-1px);
    }

    .btn-ghost-light {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 46px;
        padding: 0 24px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.28);
        border-radius: 100px;
        color: rgba(255, 255, 255, 0.92);
        font-weight: 500;
        font-size: 0.95rem;
        transition: all 0.2s ease;
    }

    .btn-ghost-light:hover {
        background: #fff;
        color: var(--c-ink);
        border-color: #fff;
        transform: translateY(-1px);
    }

    /* ----------------------------------------------------- */
    /* Intro block                                            */
    /* ----------------------------------------------------- */
    .intro-media {
        position: relative;
    }

    .intro-media img {
        width: 100%;
        aspect-ratio: 10 / 7;
        object-fit: cover;
        border-radius: var(--r-md);
        box-shadow: 0 30px 70px -40px var(--c-shadow-2);
    }

    .intro-note {
        margin-top: 20px;
        padding: 18px 22px;
        background: var(--c-ink);
        color: rgba(255, 255, 255, 0.8);
        border-radius: var(--r-md);
        font-size: 0.92rem;
        position: relative;
    }

    .intro-note::before {
        content: "“";
        position: absolute;
        left: 10px;
        top: -6px;
        font-size: 2.8rem;
        font-family: var(--font-serif);
        color: rgba(255, 255, 255, 0.24);
    }

    .intro-note strong {
        color: #fff;
        font-weight: 600;
    }

    .intro-list {
        margin-top: 24px;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px 20px;
    }

    .intro-list li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        font-size: 0.94rem;
        color: var(--c-muted);
    }

    .intro-list li svg {
        width: 18px;
        height: 18px;
        min-width: 18px;
        color: var(--c-success);
    }

    .intro-list li strong {
        color: var(--c-ink);
        font-weight: 600;
        display: block;
        margin-bottom: 2px;
    }

    /* ----------------------------------------------------- */
    /* Scenario rows                                           */
    /* ----------------------------------------------------- */
    .scenario-zone {
        position: relative;
        background: var(--c-surface);
        border-top: 1px solid var(--c-line);
        border-bottom: 1px solid var(--c-line);
        padding: 64px 0 8px;
    }

    .scenario-row {
        padding: 56px 0 72px;
        border-bottom: 1px solid var(--c-line-soft);
    }

    .scenario-row:last-of-type {
        border-bottom: 0;
        padding-bottom: 20px;
    }

    .scenario-media img {
        width: 100%;
        aspect-ratio: 8 / 5;
        object-fit: cover;
        border-radius: var(--r-md);
        box-shadow: 0 28px 60px -38px var(--c-shadow-2);
        transition: transform 0.4s ease;
    }

    .scenario-media:hover img {
        transform: scale(1.012);
    }

    .scenario-tag {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
        font-size: 0.82rem;
        font-weight: 600;
        letter-spacing: 0.14em;
        color: var(--c-brand-strong);
    }

    .scenario-tag span:first-child {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 26px;
        padding: 0 10px;
        border: 1px solid rgba(166, 91, 52, 0.28);
        border-radius: 100px;
        background: rgba(166, 91, 52, 0.06);
        font-family: var(--font-data);
        letter-spacing: 0.06em;
    }

    .scenario-row h3 {
        font-family: var(--font-serif);
        font-size: var(--fs-h3);
        font-weight: 600;
        color: var(--c-ink);
        letter-spacing: -0.01em;
        line-height: 1.4;
        margin-bottom: 14px;
    }

    .scenario-copy {
        color: var(--c-muted);
        font-size: 0.98rem;
        line-height: 1.85;
        margin-bottom: 18px;
    }

    .scenario-points {
        margin-bottom: 20px;
        display: grid;
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .scenario-points li {
        position: relative;
        padding-left: 26px;
        font-size: 0.95rem;
        color: var(--c-ink);
        line-height: 1.65;
    }

    .scenario-points li::before {
        content: "";
        position: absolute;
        left: 2px;
        top: 0.62em;
        width: 8px;
        height: 8px;
        background: var(--c-brand);
        border-radius: 50%;
        opacity: 0.7;
    }

    .link-arrow {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-weight: 500;
        color: var(--c-brand-strong);
        border-bottom: 1px solid rgba(166, 91, 52, 0.4);
        padding-bottom: 2px;
        transition: gap 0.2s ease, border-color 0.2s ease;
    }

    .link-arrow:hover {
        gap: 10px;
        color: var(--c-brand);
        border-color: var(--c-brand);
    }

    /* ----------------------------------------------------- */
    /* Route flow block                                       */
    /* ----------------------------------------------------- */
    .route-section {
        color: #fff;
        background: var(--c-dark);
        position: relative;
        overflow: hidden;
        isolation: isolate;
    }

    .route-section::before {
        content: "";
        position: absolute;
        z-index: -1;
        inset: 0;
        background-image: url("/assets/images/backpic/back-2.png");
        background-size: cover;
        background-position: center;
        opacity: 0.1;
    }

    .route-section .section-title,
    .route-section .section-subtitle {
        color: #fff;
    }

    .route-section .section-subtitle {
        color: rgba(255, 255, 255, 0.68);
    }

    .route-grid {
        margin-top: 44px;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 30px;
    }

    .route-card {
        border: 1px solid rgba(255, 255, 255, 0.13);
        border-radius: var(--r-md);
        padding: 26px 26px 24px;
        background: rgba(255, 255, 255, 0.04);
        transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
    }

    .route-card:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: rgba(255, 255, 255, 0.24);
        transform: translateY(-3px);
    }

    .route-index {
        font-family: var(--font-data);
        font-weight: 600;
        color: rgba(255, 255, 255, 0.36);
        letter-spacing: 0.1em;
        font-size: 1rem;
        margin-bottom: 22px;
    }

    .route-card h3 {
        font-family: var(--font-serif);
        color: #fff;
        font-size: 1.18rem;
        margin-bottom: 10px;
        font-weight: 600;
    }

    .route-card p {
        font-size: 0.92rem;
        color: rgba(255, 255, 255, 0.65);
        line-height: 1.75;
        margin-bottom: 18px;
    }

    .route-steps {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
    }

    .route-steps .step {
        border: 1px solid rgba(255, 255, 255, 0.26);
        border-radius: 100px;
        padding: 5px 10px;
        color: rgba(255, 255, 255, 0.86);
    }

    .route-steps .arrow {
        color: rgba(255, 255, 255, 0.5);
        font-weight: 600;
    }

    @media (min-width: 768px) and (max-width: 991.98px) {
        .route-grid {
            grid-template-columns: repeat(2, minmax(0, 1fr));
        }
    }

    @media (max-width: 767.98px) {
        .route-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ----------------------------------------------------- */
    /* FAQ                                                     */
    /* ----------------------------------------------------- */
    .faq-column {
        position: sticky;
        top: 60px;
        align-self: start;
    }

    .faq-column .faq-help {
        margin-top: 24px;
        border-top: 1px solid var(--c-line);
        padding-top: 20px;
        font-size: 0.92rem;
        color: var(--c-muted);
    }

    .faq-column .faq-help a {
        color: var(--c-brand-strong);
        font-weight: 500;
    }

    .accordion.custom-faq {
        --bs-accordion-border-width: 0;
        --bs-accordion-btn-focus-box-shadow: none;
        display: block;
    }

    .accordion.custom-faq .accordion-item {
        background: transparent;
        border: 0;
        border-radius: 0;
        border-bottom: 1px solid var(--c-line);
        padding: 4px 0;
    }

    .accordion.custom-faq .accordion-item:first-child {
        border-top: 1px solid var(--c-line);
    }

    .accordion.custom-faq .accordion-button {
        background: transparent;
        color: var(--c-ink);
        font-size: 1.04rem;
        font-weight: 600;
        padding: 18px 42px 18px 0;
        line-height: 1.6;
        box-shadow: none;
        border: 0;
        text-align: left;
    }

    .accordion.custom-faq .accordion-button:focus {
        box-shadow: none;
    }

    .accordion.custom-faq .accordion-button:not(.collapsed) {
        color: var(--c-brand-strong);
        background: transparent;
    }

    .accordion.custom-faq .accordion-button::after {
        background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='%23A65B34' xmlns='http://www.w3.org/2000/svg'%3e%3cpath fill-rule='evenodd' d='M8 1a.75.75 0 0 1 .75.75v5.5h5.5a.75.75 0 0 1 0 1.5h-5.5v5.5a.75.75 0 0 1-1.5 0v-5.5h-5.5a.75.75 0 0 1 0-1.5h5.5v-5.5A.75.75 0 0 1 8 1Z' clip-rule='evenodd'/%3e%3c/svg%3e");
        background-size: 1.1rem;
        width: 1.2rem;
        height: 1.2rem;
        transition: transform 0.25s ease;
    }

    .accordion.custom-faq .accordion-button:not(.collapsed)::after {
        transform: rotate(45deg);
    }

    .accordion.custom-faq .accordion-body {
        padding: 0 48px 24px 0;
        color: var(--c-muted);
        line-height: 1.8;
        font-size: 0.96rem;
    }

    .accordion.custom-faq .accordion-item:last-of-type > .accordion-header .accordion-button,
    .accordion.custom-faq .accordion-item:first-of-type > .accordion-header .accordion-button {
        border-top-radius: 0;
    }

    /* ----------------------------------------------------- */
    /* CTA & footer                                           */
    /* ----------------------------------------------------- */
    .cta-panel {
        position: relative;
        color: #fff;
        background: var(--c-dark);
        border-radius: var(--r-md);
        overflow: hidden;
        padding: 64px 60px;
        isolation: isolate;
    }

    .cta-panel::before {
        content: "";
        position: absolute;
        z-index: -1;
        inset: 0;
        background-image: url("/assets/images/backpic/back-3.webp");
        background-size: cover;
        background-position: center;
        opacity: 0.1;
    }

    .cta-panel h2 {
        font-family: var(--font-serif);
        font-size: clamp(1.6rem, 3vw, 2.2rem);
        font-weight: 600;
        line-height: 1.4;
        margin-bottom: 14px;
    }

    .cta-panel p {
        color: rgba(255, 255, 255, 0.72);
        max-width: 560px;
        margin-bottom: 26px;
    }

    .cta-panel .btn-warm {
        box-shadow: 0 14px 26px -16px rgba(166, 91, 52, 0.8);
    }

    .cta-panel .btn-ghost-light {
        border-color: rgba(255, 255, 255, 0.28);
    }

    .site-footer {
        background: var(--c-dark);
        color: rgba(255, 255, 255, 0.68);
        padding: 80px 0 30px;
        margin-top: 80px;
    }

    .site-footer .brand-me {
        display: inline-flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 3px;
        margin-bottom: 16px;
    }

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

    .site-footer .brand-logo-sub {
        color: rgba(255, 255, 255, 0.55);
    }

    .site-footer .container-xxl > .row {
        padding-bottom: 44px;
    }

    .footer-description {
        font-size: 0.9rem;
        color: rgba(255, 255, 255, 0.58);
        margin-top: 12px;
        line-height: 1.85;
        max-width: 380px;
    }

    .footer-title {
        font-size: 0.82rem;
        font-weight: 600;
        letter-spacing: 0.2em;
        color: rgba(255, 255, 255, 0.92);
        margin-bottom: 18px;
        text-transform: uppercase;
    }

    .footer-nav-list li {
        margin-bottom: 10px;
    }

    .footer-nav-list li a {
        color: rgba(255, 255, 255, 0.62);
        font-size: 0.92rem;
        transition: color 0.2s ease, padding-left 0.2s ease;
        display: inline-block;
    }

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

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.13);
        padding-top: 24px;
        margin-top: 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: wrap;
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.5);
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.62);
    }

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

    @media (max-width: 767.98px) {
        .section {
            padding: 72px 0;
        }

        .section-sm {
            padding: 56px 0;
        }

        .category-hero {
            padding: 76px 0 68px;
        }

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

        .scenario-row {
            padding: 42px 0 56px;
        }

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

        .cta-panel {
            padding: 44px 28px;
        }

        .site-footer {
            padding-top: 60px;
        }
    }

    @media (max-width: 520px) {
        .hero-actions {
            align-items: stretch;
            width: 100%;
        }

        .hero-actions .btn-warm,
        .hero-actions .btn-ghost-light {
            width: 100%;
        }

        .section-title {
            letter-spacing: -0.01em;
        }

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

    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }
    }