/* roulang page: index */
:root {
  --primary: #a67b5b;
  --primary-dark: #6b4226;
  --primary-light: #d9b99b;
  --accent: #6b8f71;
  --accent-light: #dce8de;
  --dark: #2c1e16;
  --bg: #faf6f1;
  --bg-alt: #f2ebe2;
  --white: #ffffff;
  --text: #3d2b1f;
  --text-light: #8b7a6a;
  --border: #e6d9cb;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 6px 24px rgba(60, 40, 20, .08);
  --shadow-lg: 0 16px 48px rgba(60, 40, 20, .14);
  --transition: all .3s cubic-bezier(.4, 0, .2, 1);
  --container: 1200px;
  --space: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul, ol {
  list-style: none;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--bg-alt);
}

.section-head {
  max-width: 720px;
  margin-bottom: 52px;
}

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

.section-head .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(166, 123, 91, .1);
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--dark);
  margin-bottom: 14px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(166, 123, 91, .3);
}

.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(107, 66, 38, .3);
}

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

.btn--outline:hover {
  background: rgba(166, 123, 91, .1);
  transform: translateY(-2px);
}

.btn:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(107, 143, 113, .5);
  outline-offset: 2px;
}

/* ===== Header ===== */
.site-header {
  background: rgba(250, 246, 241, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: .5px;
}

.logo__mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(166, 123, 91, .3);
}

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

.logo__text strong {
  font-size: 18px;
}

.logo__text span {
  font-size: 11px;
  color: var(--text-light);
  font-weight: 400;
  letter-spacing: 1px;
}

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

.nav a {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 30px;
}

.nav a:hover,
.nav a.active {
  background: rgba(166, 123, 91, .12);
  color: var(--primary-dark);
}

.nav .btn {
  margin-left: 10px;
  padding: 9px 22px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: var(--white);
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--dark);
  display: block;
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 2px;
  background: var(--dark);
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity: .18;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  right: -10%;
  bottom: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(166, 123, 91, .15), transparent 70%);
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content {
  max-width: 580px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary-dark);
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,.04);
}

.hero-badge i {
  font-style: normal;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.hero h1 {
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.25;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
  letter-spacing: .5px;
}

.hero-desc {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text-light);
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-kpi {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 28px;
}

.hero-kpi-item {
  text-align: left;
}

.hero-kpi-item strong {
  font-size: 28px;
  font-weight: 800;
  color: var(--dark);
  display: block;
  line-height: 1.2;
}

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

.hero-media {
  position: relative;
  max-width: 440px;
  margin-left: auto;
}

.hero-media__frame {
  aspect-ratio: 5 / 7;
  border-radius: 24px;
  overflow: hidden;
  transform: rotate(2deg);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
  border: 4px solid var(--white);
}

.hero-media__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media__frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(44, 30, 22, .15), transparent 45%);
}

.hero-media__card {
  position: absolute;
  bottom: 32px;
  right: -24px;
  background: var(--white);
  padding: 14px 20px;
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: rotate(-2deg);
}

.hero-media__card .dot {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
}

.hero-media__card span {
  font-size: 12px;
  color: var(--text-light);
  display: block;
  line-height: 1.3;
}

.hero-media__card strong {
  font-size: 14px;
  color: var(--dark);
  display: block;
}

.hero-media__shape {
  position: absolute;
  top: -18px;
  left: -18px;
  width: 80px;
  height: 80px;
  border-radius: 18px;
  background: var(--accent-light);
  z-index: 1;
}

/* ===== Metrics ===== */
.metrics {
  padding: 72px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  text-align: center;
}

.metric-item {
  padding: 24px 12px;
}

.metric-item strong {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary-dark);
  display: block;
  line-height: 1.2;
}

.metric-item span {
  font-size: 14px;
  color: var(--text-light);
  display: block;
  margin-top: 6px;
}

/* ===== Directory ===== */
.directory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.dir-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.dir-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: var(--transition);
}

.dir-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.dir-card:hover::before {
  opacity: 1;
}

.dir-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(166, 123, 91, .12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
}

.dir-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.dir-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.65;
}

.dir-card__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

.dir-card__link:hover {
  color: var(--primary-dark);
  transform: translateX(4px);
}

/* ===== Value ===== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.value-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.value-card__icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
  margin-bottom: 18px;
}

.value-card:nth-child(1) .value-card__icon {
  background: linear-gradient(135deg, #c89f7d, #a67b5b);
}

.value-card:nth-child(2) .value-card__icon {
  background: linear-gradient(135deg, #8fae92, #6b8f71);
}

.value-card:nth-child(3) .value-card__icon {
  background: linear-gradient(135deg, #d3a9c0, #b383a0);
}

.value-card:nth-child(4) .value-card__icon {
  background: linear-gradient(135deg, #e0b880, #caa04d);
}

.value-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}

.value-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== Trust Bar ===== */
.trustbar {
  background: var(--dark);
  padding: 56px 0;
  color: #fff;
}

.trustbar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.trust-item__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.trust-item strong {
  display: block;
  font-size: 16px;
  margin-bottom: 2px;
}

.trust-item span {
  font-size: 13px;
  opacity: .7;
}

/* ===== News ===== */
.news-wrap {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
}

.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.news-item:first-child {
  padding-top: 0;
}

.news-item:last-child {
  border-bottom: none;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.news-cat {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-dark);
  background: rgba(166, 123, 91, .1);
  padding: 4px 12px;
  border-radius: 20px;
}

.news-date {
  font-size: 13px;
  color: var(--text-light);
}

.news-item h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.news-item h3 a {
  color: var(--dark);
}

.news-item h3 a:hover {
  color: var(--primary);
}

.news-item p {
  font-size: 14.5px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 8px;
}

.news-readmore {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

.news-readmore:hover {
  color: var(--primary-dark);
}

.news-sidebar {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 28px;
  position: sticky;
  top: 100px;
  align-self: start;
}

.news-sidebar h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--dark);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}

.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sidebar-tags a {
  font-size: 13px;
  padding: 6px 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 30px;
  color: var(--text);
}

.sidebar-tags a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.sidebar-recommend li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
}

.sidebar-recommend li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-recommend a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  display: block;
}

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

.sidebar-recommend .date {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
  display: block;
}

.empty-tip {
  padding: 40px;
  text-align: center;
  color: var(--text-light);
  font-size: 15px;
  background: var(--bg-alt);
  border-radius: var(--radius);
}

/* ===== Compare ===== */
.compare-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.compare-col {
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--white);
}

.compare-col--old {
  border-style: dashed;
  background: rgba(0,0,0,.02);
}

.compare-col--new {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(to bottom, rgba(166,123,91,.04), transparent 40%), var(--white);
}

.compare-col__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.compare-col--new .compare-col__title {
  color: var(--primary-dark);
}

.compare-list li {
  padding: 10px 0;
  font-size: 15px;
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.6;
}

.compare-list li::before {
  content: '✕';
  color: #c0392b;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 13px;
}

.compare-col--new .compare-list li::before {
  content: '✓';
  color: var(--accent);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
}

.faq-item summary {
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  color: var(--dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  list-style: none;
  transition: var(--transition);
}

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

.faq-item summary::after {
  content: '+';
  font-size: 22px;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}

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

.faq-item summary:hover {
  background: rgba(166, 123, 91, .04);
}

.faq-item p {
  padding: 0 28px 22px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--dark), #422b1c);
  padding: 96px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  right: -15%;
  top: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(166,123,91,.2), transparent 70%);
}

.cta-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 15.5px;
  opacity: .8;
  line-height: 1.8;
  margin-bottom: 28px;
}

.cta-points {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cta-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.cta-points li::before {
  content: '●';
  color: var(--primary-light);
  font-size: 10px;
}

.cta-form {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 20px;
  padding: 36px;
  backdrop-filter: blur(10px);
}

.cta-form h3 {
  font-size: 20px;
  margin-bottom: 6px;
}

.cta-form p {
  font-size: 13px;
  opacity: .7;
  margin-bottom: 24px;
}

.cta-form input,
.cta-form select {
  width: 100%;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .1);
  color: #fff;
  margin-bottom: 14px;
  transition: var(--transition);
}

.cta-form input::placeholder {
  color: rgba(255, 255, 255, .5);
}

.cta-form input:focus,
.cta-form select:focus {
  border-color: var(--primary-light);
  background: rgba(255, 255, 255, .15);
  outline: none;
}

.cta-form select option {
  color: var(--dark);
  background: #fff;
}

.cta-form button {
  width: 100%;
  background: var(--primary);
  color: #fff;
  padding: 14px 24px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  transition: var(--transition);
  margin-top: 6px;
}

.cta-form button:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.cta-note {
  font-size: 12px;
  opacity: .6;
  text-align: center;
  margin-top: 12px;
}

/* ===== Footer ===== */
.site-footer {
  background: #1c120c;
  color: #b8a99a;
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
  opacity: .75;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 14px;
  opacity: .75;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--primary-light);
}

.footer-contact li {
  font-size: 14px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 13px;
  opacity: .6;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .value-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .trustbar-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .news-wrap {
    grid-template-columns: 1fr;
  }
  .news-sidebar {
    position: static;
  }
  .directory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .hero {
    padding: 72px 0 80px;
  }
  .hero .container {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-content {
    max-width: 100%;
  }
  .hero-media {
    margin: 0 auto;
    max-width: 360px;
  }
  .nav {
    position: fixed;
    top: 72px;
    right: 0;
    width: 240px;
    height: calc(100vh - 72px);
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    box-shadow: -8px 0 32px rgba(0,0,0,.1);
    transform: translateX(100%);
    transition: var(--transition);
    z-index: 99;
    border-left: 1px solid var(--border);
  }
  .nav.is-open {
    transform: translateX(0);
  }
  .nav a {
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 16px;
  }
  .nav .btn {
    margin-left: 0;
    margin-top: 12px;
    width: 100%;
    text-align: center;
    justify-content: center;
  }
  .nav-toggle {
    display: flex;
  }
  .compare-wrap {
    grid-template-columns: 1fr;
  }
  .cta-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 20px;
  }
  .directory-grid {
    grid-template-columns: 1fr;
  }
  .value-grid {
    grid-template-columns: 1fr;
  }
  .trustbar-grid {
    grid-template-columns: 1fr;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .metric-item strong {
    font-size: 28px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-media__card {
    right: 8px;
    bottom: 16px;
    padding: 10px 14px;
  }
  .cta-form {
    padding: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: article */
:root {
  --primary: #a67b5b;
  --primary-dark: #6b4226;
  --primary-light: #d9b99b;
  --accent: #6b8f71;
  --accent-light: #dce8de;
  --dark: #2c1e16;
  --bg: #faf6f1;
  --bg-alt: #f2ebe2;
  --white: #ffffff;
  --text: #3d2b1f;
  --text-light: #8b7a6a;
  --border: #e6d9cb;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 6px 24px rgba(60, 40, 20, .08);
  --shadow-lg: 0 16px 48px rgba(60, 40, 20, .14);
  --transition: all .3s cubic-bezier(.4, 0, .2, 1);
  --container: 1200px;
  --space: 96px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}
.section {
  padding: 96px 0;
}
.section--alt {
  background: var(--bg-alt);
}
.section-head {
  max-width: 720px;
  margin-bottom: 52px;
}
.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(166, 123, 91, .1);
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--dark);
  margin-bottom: 14px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(166, 123, 91, .3);
}
.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(107, 66, 38, .3);
}
.btn--outline {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn--outline:hover {
  background: rgba(166, 123, 91, .1);
  transform: translateY(-2px);
}
.btn--light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
}
.btn--light:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn--block {
  width: 100%;
  justify-content: center;
  margin-top: 14px;
}
.btn:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(107, 143, 113, .5);
  outline-offset: 2px;
}
/* ===== Header ===== */
.site-header {
  background: rgba(250, 246, 241, .92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: .5px;
}
.logo__mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(166, 123, 91, .3);
}
.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo__text strong {
  font-size: 18px;
}
.logo__text span {
  font-size: 11px;
  color: var(--text-light);
  font-weight: 400;
  letter-spacing: 1px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav a {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 30px;
}
.nav a:hover,
.nav a.active {
  background: rgba(166, 123, 91, .12);
  color: var(--primary-dark);
}
.nav .btn {
  margin-left: 10px;
  padding: 9px 22px;
  font-size: 14px;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: var(--white);
}
.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--dark);
  display: block;
  position: relative;
  transition: var(--transition);
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 2px;
  background: var(--dark);
  left: 0;
  transition: var(--transition);
}
.nav-toggle span::before {
  top: -6px;
}
.nav-toggle span::after {
  top: 6px;
}
.nav-toggle.active span {
  background: transparent;
}
.nav-toggle.active span::before {
  top: 0;
  transform: rotate(45deg);
}
.nav-toggle.active span::after {
  top: 0;
  transform: rotate(-45deg);
}
/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  padding: 76px 0 60px;
  background: linear-gradient(135deg, rgba(44, 30, 22, .82), rgba(107, 66, 38, .68)), url(/assets/images/backpic/back-2.jpg) center/cover no-repeat;
  color: #fff;
  text-align: center;
}
.article-hero .container {
  position: relative;
  z-index: 1;
  max-width: 860px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, .75);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: rgba(255, 255, 255, .85);
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, .08);
}
.breadcrumb a:hover {
  background: rgba(255, 255, 255, .18);
  color: #fff;
}
.breadcrumb .sep {
  opacity: .5;
}
.breadcrumb .current {
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, .14);
  color: #fff;
}
.article-hero h1 {
  font-size: clamp(28px, 4.5vw, 42px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: .5px;
}
.article-hero .lead {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .8);
  max-width: 680px;
  margin: 0 auto 26px;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.article-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 13px;
  color: rgba(255, 255, 255, .9);
}
.article-meta-item strong {
  font-weight: 600;
  color: #fff;
}
/* ===== Article Layout ===== */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 48px;
  padding-top: 56px;
  padding-bottom: 96px;
  align-items: start;
}
.article-main {
  min-width: 0;
}
/* ===== Article Content ===== */
.article-content {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 48px;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}
.article-content p {
  margin-bottom: 1.5em;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--text);
}
.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--dark);
  margin: 1.8em 0 .8em;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--dark);
  margin: 1.6em 0 .7em;
  line-height: 1.4;
}
.article-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-dark);
  margin: 1.4em 0 .6em;
}
.article-content ul,
.article-content ol {
  margin: 0 0 1.5em 1.4em;
  font-size: 16.5px;
  line-height: 1.9;
}
.article-content ul li,
.article-content ol li {
  margin-bottom: 6px;
}
.article-content ul li::marker {
  color: var(--primary);
}
.article-content ol li::marker {
  color: var(--primary);
  font-weight: 600;
}
.article-content img {
  border-radius: var(--radius-sm);
  margin: 24px 0;
  box-shadow: var(--shadow);
}
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg-alt);
  padding: 18px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: var(--text);
  font-style: italic;
  line-height: 1.8;
}
.article-content blockquote p {
  margin-bottom: 0;
}
.article-content a {
  color: var(--primary-dark);
  font-weight: 600;
  border-bottom: 1px solid var(--primary-light);
}
.article-content a:hover {
  border-bottom-color: var(--primary-dark);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.article-content table th,
.article-content table td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}
.article-content table th {
  background: var(--bg-alt);
  font-weight: 600;
  color: var(--dark);
}
.article-content code {
  background: var(--bg-alt);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: .9em;
}
/* ===== Article Bottom ===== */
.article-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 28px;
  box-shadow: var(--shadow);
}
.article-bottom-tip {
  font-size: 14px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
/* ===== Not Found ===== */
.not-found {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 60px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}
.not-found__icon {
  font-size: 52px;
  display: block;
  margin-bottom: 16px;
}
.not-found h2 {
  font-size: 28px;
  color: var(--dark);
  margin-bottom: 12px;
}
.not-found p {
  color: var(--text-light);
  margin-bottom: 24px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}
/* ===== Sidebar ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 96px;
}
.sidebar-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.sidebar-card img {
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  width: 100%;
  object-fit: cover;
  height: 180px;
}
.sidebar-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1.4;
}
.sidebar-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 6px;
}
.sidebar-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.sidebar-list {
  list-style: none;
  margin: 0;
}
.sidebar-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
}
.sidebar-list li:last-child {
  border-bottom: none;
}
.sidebar-list span {
  color: var(--text-light);
}
.sidebar-list strong {
  color: var(--text);
  font-weight: 600;
  text-align: right;
}
.sidebar-card--accent {
  background: var(--accent-light);
  border-color: transparent;
}
.sidebar-card--accent h4 {
  color: var(--accent);
  border-bottom-color: rgba(107, 143, 113, .25);
}
.sidebar-card--accent p {
  color: var(--text);
  font-size: 14px;
}
/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-alt);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-question::after {
  content: '+';
  font-size: 22px;
  font-weight: 400;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.4, 0, .2, 1);
}
.faq-item.open .faq-answer {
  max-height: 300px;
}
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}
/* ===== CTA ===== */
.cta-section {
  padding: 96px 0;
  background: linear-gradient(135deg, var(--dark), var(--primary-dark));
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(166, 123, 91, .25);
}
.cta-section::after {
  content: '';
  position: absolute;
  left: -60px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(107, 143, 113, .15);
}
.cta-box {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}
.cta-box h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: .5px;
}
.cta-box p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .8);
  margin-bottom: 32px;
}
/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .75);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .6);
  max-width: 360px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, .65);
}
.footer-col ul a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}
.footer-contact li {
  font-size: 14px;
  color: rgba(255, 255, 255, .65);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, .45);
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .article-sidebar {
    position: static;
    flex-direction: row;
    align-items: stretch;
  }
  .sidebar-card {
    flex: 1;
  }
  .sidebar-card img {
    height: 160px;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .nav-toggle {
    display: flex;
  }
  .nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 28px;
    gap: 4px;
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav a {
    width: 100%;
    padding: 10px 14px;
    border-radius: 10px;
  }
  .nav .btn {
    margin-left: 0;
    margin-top: 6px;
    justify-content: center;
  }
  .article-hero {
    padding: 56px 0 44px;
  }
  .article-content {
    padding: 28px 22px;
  }
  .article-content p {
    font-size: 15.5px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .article-sidebar {
    flex-direction: column;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .header-inner {
    height: 64px;
  }
  .logo__text strong {
    font-size: 16px;
  }
  .logo__text span {
    font-size: 10px;
  }
  .logo__mark {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }
  .article-hero h1 {
    font-size: 24px;
  }
  .article-meta {
    gap: 8px;
  }
  .article-meta-item {
    padding: 5px 12px;
    font-size: 12px;
  }
  .article-layout {
    padding-top: 32px;
    padding-bottom: 64px;
  }
  .article-content {
    padding: 22px 16px;
    border-radius: 14px;
  }
  .article-bottom {
    padding: 16px 18px;
    flex-direction: column;
    align-items: flex-start;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .cta-section {
    padding: 64px 0;
  }
  .faq-question {
    padding: 16px 18px;
    font-size: 15px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}