/* roulang page: index */
:root {
  --primary: #1d3a2f;
  --primary-dark: #142a22;
  --primary-light: #2d5646;
  --accent: #b58a4a;
  --accent-light: #d4b57e;
  --accent-dark: #966f34;
  --bg: #f7f5f1;
  --white: #ffffff;
  --text: #262626;
  --text-muted: #6b6b6b;
  --border: #e8e2d8;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 10px 40px rgba(29, 58, 47, .08);
  --shadow-lg: 0 24px 64px rgba(29, 58, 47, .14);
  --transition: all .3s ease;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
body {
  font-family: var(--font);
  background: var(--white);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
}
a {
  text-decoration: none;
  color: var(--primary);
}
a:hover {
  color: var(--primary-dark);
}
.container {
  max-width: 1200px;
}
section {
  scroll-margin-top: 80px;
}
.section {
  padding: 96px 0;
}
.section-alt {
  background: var(--bg);
}
.section-head {
  margin-bottom: 52px;
}
.eyebrow {
  display: inline-block;
  background: rgba(181, 138, 74, .12);
  color: var(--accent-dark);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 6px 18px;
  border-radius: 40px;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  letter-spacing: -.02em;
}
.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 680px;
  margin-top: 12px;
}
.section-desc.mx-auto {
  margin-left: auto;
  margin-right: auto;
}
/* ===== Header ===== */
.site-header {
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .04), 0 8px 32px rgba(0, 0, 0, .04);
  position: sticky;
  top: 0;
  z-index: 1080;
  border-bottom: 1px solid rgba(232, 226, 216, .7);
}
.navbar {
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 12px;
  font-size: 1.15rem;
  margin-right: 10px;
  box-shadow: 0 6px 16px rgba(29, 58, 47, .25);
}
.brand-text {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--primary);
  letter-spacing: -.01em;
  line-height: 1.1;
}
.brand-sub {
  display: block;
  font-size: .75rem;
  color: var(--accent-dark);
  font-weight: 600;
  letter-spacing: .06em;
}
.navbar .nav-link {
  font-weight: 600;
  font-size: .96rem;
  color: var(--text);
  margin: 0 8px;
  padding: 8px 14px !important;
  border-radius: 10px;
  position: relative;
  transition: var(--transition);
}
.navbar .nav-link:hover {
  color: var(--primary);
  background: rgba(29, 58, 47, .05);
}
.navbar .nav-link.active {
  color: var(--primary);
  background: rgba(29, 58, 47, .08);
}
.navbar .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.nav-actions {
  gap: 12px;
}
.search-form {
  width: 220px;
}
.search-form .form-control {
  border-radius: 50px;
  border: 1px solid var(--border);
  background: var(--bg);
  padding-left: 18px;
  font-size: .9rem;
  height: 42px;
  box-shadow: none;
  transition: var(--transition);
}
.search-form .form-control:focus {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(181, 138, 74, .12);
}
.btn-search {
  border-radius: 50px;
  background: var(--primary);
  color: #fff;
  border: none;
  width: 42px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.btn-search:hover {
  background: var(--primary-dark);
  color: #fff;
}
.nav-cta {
  border-radius: 50px;
  padding: 8px 20px;
  font-weight: 600;
  font-size: .92rem;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}
.navbar-toggler {
  border: none;
  padding: 6px 10px;
  border-radius: 10px;
  box-shadow: none !important;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(181, 138, 74, .25) !important;
}
/* ===== Buttons ===== */
.btn {
  border-radius: 50px;
  font-weight: 700;
  font-size: .95rem;
  padding: 12px 28px;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-lg {
  padding: 14px 34px;
  font-size: 1.02rem;
}
.btn-gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 10px 24px rgba(181, 138, 74, .3);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(181, 138, 74, .4);
  color: #fff;
}
.btn-darkgreen {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-darkgreen:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(29, 58, 47, .3);
}
.btn-outline-light {
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, .12);
  border-color: #fff;
  color: #fff;
}
.btn:active, .btn:focus {
  box-shadow: 0 0 0 4px rgba(181, 138, 74, .2);
}
/* ===== Hero ===== */
.hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  padding: 110px 0 100px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(13, 30, 23, .93) 0%, rgba(20, 42, 34, .82) 45%, rgba(20, 42, 34, .55) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -40%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(181, 138, 74, .18) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container {
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .25);
  color: #f3e9d2;
  font-size: .85rem;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: 40px;
  backdrop-filter: blur(8px);
  margin-bottom: 22px;
}
.hero-title {
  font-size: 2.55rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.28;
  letter-spacing: -.02em;
  margin-bottom: 20px;
}
.hero-title span {
  color: var(--accent-light);
}
.hero-desc {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, .88);
  max-width: 600px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
}
.hero-metrics .metric strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.hero-metrics .metric span {
  font-size: .88rem;
  color: rgba(255, 255, 255, .72);
}
.hero-card {
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .22);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 24px;
  padding: 32px 32px 28px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .25);
  color: #fff;
}
.hero-card h5 {
  font-weight: 700;
  margin-bottom: 20px;
  font-size: 1.05rem;
  color: var(--accent-light);
}
.hero-card ol {
  padding-left: 4px;
  list-style: none;
  counter-reset: step;
  margin-bottom: 22px;
}
.hero-card ol li {
  counter-increment: step;
  position: relative;
  padding-left: 40px;
  margin-bottom: 14px;
  font-size: .95rem;
  color: rgba(255, 255, 255, .9);
}
.hero-card ol li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 26px;
  height: 26px;
  background: rgba(181, 138, 74, .35);
  border: 1px solid rgba(181, 138, 74, .5);
  border-radius: 50%;
  font-size: .78rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
}
/* ===== Feature Card ===== */
.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  height: 100%;
  transition: var(--transition);
  box-shadow: 0 4px 18px rgba(29, 58, 47, .04);
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(181, 138, 74, .4);
}
.feature-card .icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(29, 58, 47, .08), rgba(181, 138, 74, .14));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}
.feature-card:hover .icon-wrap {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  transform: scale(1.05);
}
.feature-card h5 {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--text-muted);
  font-size: .92rem;
  margin-bottom: 0;
  line-height: 1.7;
}
/* ===== Process ===== */
.process-wrap {
  counter-reset: process;
}
.process-step {
  position: relative;
  text-align: center;
  padding: 40px 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 100%;
  transition: var(--transition);
}
.process-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.process-step .step-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 18px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(29, 58, 47, .25);
}
.process-step .step-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}
.process-step h5 {
  font-weight: 700;
  margin-bottom: 10px;
}
.process-step p {
  color: var(--text-muted);
  font-size: .92rem;
  margin-bottom: 0;
}
/* ===== Scene Section ===== */
.scene-section {
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
}
.scene-section::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  background: rgba(181, 138, 74, .08);
  border-radius: 50%;
}
.scene-section .section-title {
  color: #fff;
}
.scene-section .section-desc {
  color: rgba(255, 255, 255, .75);
}
.scene-img {
  border-radius: 22px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, .4);
  width: 100%;
  height: 400px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, .12);
}
.scene-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.scene-list li {
  position: relative;
  padding: 22px 20px 22px 72px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 16px;
  margin-bottom: 14px;
  transition: var(--transition);
}
.scene-list li:hover {
  background: rgba(255, 255, 255, .1);
  transform: translateX(6px);
}
.scene-list .scene-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  background: rgba(181, 138, 74, .25);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-size: 1rem;
}
.scene-list strong {
  display: block;
  color: #fff;
  font-size: 1.02rem;
  margin-bottom: 4px;
}
.scene-list span {
  color: rgba(255, 255, 255, .7);
  font-size: .9rem;
}
/* ===== Guarantee ===== */
.guarantee-item {
  text-align: center;
  padding: 30px 16px;
  transition: var(--transition);
  border-radius: var(--radius);
}
.guarantee-item:hover {
  background: var(--white);
  box-shadow: var(--shadow);
}
.guarantee-item .g-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(29, 58, 47, .08), rgba(181, 138, 74, .15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--primary);
}
.guarantee-item h6 {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 6px;
}
.guarantee-item p {
  color: var(--text-muted);
  font-size: .88rem;
  margin-bottom: 0;
}
/* ===== Stats ===== */
.stats-section {
  background: var(--bg);
}
.stat-box {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}
.stat-box::after {
  content: "";
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border);
}
.stat-box:last-child::after {
  display: none;
}
.stat-box .stat-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 8px;
}
.stat-box .stat-num {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: -.02em;
}
.stat-box .stat-label {
  color: var(--text-muted);
  font-weight: 600;
  font-size: .95rem;
}
/* ===== News / Post list ===== */
.post-list {
  border-radius: var(--radius);
}
.post-item {
  display: flex;
  align-items: flex-start;
  padding: 20px 18px;
  background: var(--white);
  border-radius: 14px;
  border: 1px solid var(--border);
  margin-bottom: 12px;
  transition: var(--transition);
  gap: 16px;
}
.post-item:hover {
  box-shadow: var(--shadow);
  border-color: rgba(181, 138, 74, .4);
  transform: translateY(-2px);
}
.post-date {
  flex-shrink: 0;
  width: 58px;
  text-align: center;
  background: var(--bg);
  border-radius: 10px;
  padding: 8px 0;
  border: 1px solid var(--border);
}
.post-date strong {
  display: block;
  font-size: 1.05rem;
  color: var(--primary);
  line-height: 1.2;
}
.post-date span {
  font-size: .72rem;
  color: var(--text-muted);
}
.post-item .post-title {
  font-weight: 700;
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 4px;
  display: block;
  line-height: 1.5;
}
.post-item .post-title:hover {
  color: var(--accent-dark);
}
.post-item .post-desc {
  color: var(--text-muted);
  font-size: .88rem;
  margin-bottom: 0;
  line-height: 1.6;
}
.news-sidebar .side-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 4px 18px rgba(29, 58, 47, .04);
}
.side-card img {
  border-radius: 12px;
  width: 100%;
  height: 180px;
  object-fit: cover;
  margin-bottom: 14px;
}
.side-card h6 {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 8px;
}
.side-card p {
  color: var(--text-muted);
  font-size: .88rem;
  margin-bottom: 10px;
}
.plan-tag {
  display: inline-block;
  background: rgba(181, 138, 74, .12);
  color: var(--accent-dark);
  font-size: .78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 40px;
  margin: 3px 4px 3px 0;
}
.review-box {
  background: var(--bg);
  border-radius: 14px;
  padding: 18px;
  border: 1px solid var(--border);
}
.review-box .stars {
  color: var(--accent);
  font-size: .85rem;
  margin-bottom: 6px;
}
.review-box p {
  color: var(--text);
  font-size: .9rem;
  margin-bottom: 8px;
  font-style: italic;
}
.review-box .reviewer {
  font-size: .82rem;
  color: var(--text-muted);
  font-weight: 600;
}
/* ===== FAQ ===== */
.faq-wrap .accordion-item {
  background: var(--white);
  border: 1px solid var(--border) !important;
  border-radius: 14px !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(29, 58, 47, .03);
}
.faq-wrap .accordion-button {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  background: transparent;
  padding: 20px 24px;
  box-shadow: none !important;
}
.faq-wrap .accordion-button:not(.collapsed) {
  color: var(--primary);
  background: rgba(29, 58, 47, .04);
}
.faq-wrap .accordion-button::after {
  color: var(--accent);
}
.faq-wrap .accordion-body {
  color: var(--text-muted);
  padding: 0 24px 20px;
  font-size: .94rem;
  line-height: 1.75;
}
/* ===== Contact / Form ===== */
.contact-section {
  background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  position: relative;
}
.contact-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13, 30, 23, .95), rgba(20, 42, 34, .88));
}
.contact-section .container {
  position: relative;
  z-index: 2;
}
.contact-section .section-title {
  color: #fff;
}
.contact-section .section-desc {
  color: rgba(255, 255, 255, .78);
}
.contact-info {
  color: #fff;
}
.contact-info .info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}
.contact-info .info-item .info-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  background: rgba(181, 138, 74, .25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-size: 1rem;
}
.contact-info .info-item strong {
  display: block;
  font-size: .95rem;
  margin-bottom: 2px;
}
.contact-info .info-item span {
  color: rgba(255, 255, 255, .75);
  font-size: .9rem;
}
.booking-form {
  background: #fff;
  border-radius: 20px;
  padding: 36px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, .3);
}
.booking-form .form-label {
  font-weight: 600;
  font-size: .9rem;
  color: var(--text);
}
.booking-form .form-control,
.booking-form .form-select {
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 11px 16px;
  font-size: .92rem;
  background: var(--bg);
  box-shadow: none;
  transition: var(--transition);
}
.booking-form .form-control:focus,
.booking-form .form-select:focus {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(181, 138, 74, .15);
}
/* ===== Footer ===== */
.site-footer {
  background: #101f18;
  color: rgba(255, 255, 255, .72);
  padding: 60px 0 0;
}
.footer-brand .brand-text-footer {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
}
.footer-brand p {
  font-size: .9rem;
  margin-top: 14px;
  line-height: 1.7;
  max-width: 340px;
}
.footer-title {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, .72);
  font-size: .92rem;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  margin-top: 48px;
  padding: 18px 0;
  font-size: .85rem;
  color: rgba(255, 255, 255, .5);
}
.footer-bottom a {
  color: rgba(255, 255, 255, .6);
}
.footer-bottom a:hover {
  color: #fff;
}
/* ===== Responsive ===== */
@media (max-width: 991px) {
  .section {
    padding: 72px 0;
  }
  .hero {
    padding: 80px 0;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-card {
    margin-top: 36px;
  }
  .nav-actions {
    margin-top: 14px;
    width: 100%;
    flex-direction: column;
    align-items: stretch !important;
  }
  .search-form {
    width: 100%;
  }
  .nav-cta {
    text-align: center;
  }
  .navbar-collapse {
    padding-bottom: 12px;
  }
  .stat-box::after {
    display: none;
  }
  .stat-box {
    border-bottom: 1px solid var(--border);
  }
  .stat-box:last-child {
    border-bottom: none;
  }
}
@media (max-width: 767px) {
  .section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .hero {
    padding: 60px 0;
    text-align: left;
  }
  .hero-title {
    font-size: 1.65rem;
    line-height: 1.35;
  }
  .hero-desc {
    font-size: .95rem;
  }
  .hero-actions .btn {
    font-size: .92rem;
    padding: 10px 20px;
  }
  .hero-metrics {
    gap: 20px;
  }
  .hero-metrics .metric strong {
    font-size: 1.3rem;
  }
  .booking-form {
    padding: 24px 20px;
  }
  .contact-info {
    margin-bottom: 30px;
  }
  .scene-img {
    height: 260px;
    margin-bottom: 24px;
  }
  .post-item {
    flex-direction: column;
    gap: 8px;
  }
  .post-date {
    width: auto;
    display: inline-flex;
    gap: 6px;
    padding: 4px 12px;
    align-items: center;
  }
  .post-date strong {
    font-size: .9rem;
  }
  .post-date span {
    font-size: .75rem;
  }
}
@media (max-width: 520px) {
  .brand-sub {
    font-size: .68rem;
  }
  .brand-text {
    font-size: 1.05rem;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  .hero-title {
    font-size: 1.45rem;
  }
  .hero-metrics .metric {
    flex: 1;
  }
  .hero-metrics .metric strong {
    font-size: 1.2rem;
  }
  .hero-metrics .metric span {
    font-size: .78rem;
  }
  .process-step {
    padding: 28px 18px;
  }
  .section-title {
    font-size: 1.45rem;
  }
}

/* roulang page: category1 */
:root {
  --color-primary: #b08d57;
  --color-primary-dark: #8a6d3b;
  --color-primary-light: #e8d5b9;
  --color-secondary: #2d2a26;
  --color-bg: #faf7f2;
  --color-bg-light: #f5efe6;
  --color-text: #2d2a26;
  --color-text-weak: #7d7367;
  --color-border: #e8e1d8;
  --color-white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 10px 30px rgba(45,42,38,.06);
  --shadow-lg: 0 20px 40px rgba(45,42,38,.1);
  --transition: .3s ease;
  --font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  background:var(--color-bg);
  color:var(--color-text);
  line-height:1.7;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
button,input{font-family:inherit}
.container{max-width:1200px}
.section{padding:90px 0}
.section-tinted{background:var(--color-bg-light)}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(176,141,87,.1);
  color:var(--color-primary-dark);
  font-size:.85rem;font-weight:600;letter-spacing:.04em;
  padding:6px 16px;border-radius:30px;margin-bottom:16px;
}
.section-head .section-tag{margin-bottom:18px}
.section-head h2{font-size:2.2rem;font-weight:700;letter-spacing:.01em;color:var(--color-secondary);line-height:1.35}
.section-head p{color:var(--color-text-weak);max-width:680px;margin-top:14px;font-size:1rem}
.section-tinted .section-head p{color:var(--color-text-weak)}
.text-weak{color:var(--color-text-weak)}

/* ===== Buttons ===== */
.btn{border-radius:50px;font-weight:600;letter-spacing:.02em;transition:var(--transition)}
.btn-gold{background:var(--color-primary);color:#fff;border:1px solid var(--color-primary);padding:.6rem 1.6rem}
.btn-gold:hover{background:var(--color-primary-dark);border-color:var(--color-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(176,141,87,.25)}
.btn-outline-gold{border:1.5px solid var(--color-primary);color:var(--color-primary-dark);padding:.55rem 1.5rem}
.btn-outline-gold:hover{background:var(--color-primary);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(176,141,87,.2)}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.75);color:#fff;padding:.55rem 1.5rem}
.btn-outline-light:hover{background:#fff;color:var(--color-secondary);transform:translateY(-2px)}
.btn:focus,.btn:active,.nav-link:focus,.form-control:focus{outline:none;box-shadow:0 0 0 4px rgba(176,141,87,.15)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--color-border);
  box-shadow:0 2px 20px rgba(45,42,38,.04);
}
.site-header .navbar{padding:14px 0}
.navbar-brand .brand-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));
  color:#fff;font-size:1.1rem;margin-right:12px;
  box-shadow:0 4px 12px rgba(176,141,87,.3);
}
.brand-text{display:block;font-size:1.15rem;font-weight:700;color:var(--color-secondary);line-height:1.25}
.brand-sub{display:block;font-size:.75rem;color:var(--color-text-weak);letter-spacing:.06em}
.navbar-nav .nav-link{
  font-weight:500;color:var(--color-text);padding:.55rem 1.1rem !important;
  border-radius:30px;margin:0 2px;
}
.navbar-nav .nav-link:hover{background:rgba(176,141,87,.08);color:var(--color-primary-dark)}
.navbar-nav .nav-link.active{background:rgba(176,141,87,.12);color:var(--color-primary-dark);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:.7rem}
.search-form .input-group{background:var(--color-bg-light);border-radius:40px;overflow:hidden;border:1px solid var(--color-border)}
.search-form .form-control{background:transparent;border:none;padding:.5rem 1rem;font-size:.9rem;width:200px}
.search-form .btn-search{background:transparent;border:none;color:var(--color-text-weak);padding:.5rem 1rem}
.search-form .btn-search:hover{color:var(--color-primary)}
.nav-cta{background:var(--color-primary);border-radius:40px;font-weight:600;font-size:.95rem;padding:.5rem 1.4rem;color:#fff;border:none;box-shadow:0 4px 12px rgba(176,141,87,.25)}
.nav-cta:hover{background:var(--color-primary-dark);transform:translateY(-1px)}
.navbar-toggler{border:none;outline:none}
.navbar-toggler:focus{box-shadow:none}
@media (max-width:991.98px){
  .navbar-nav{padding:12px 0}
  .nav-actions{flex-direction:column;align-items:stretch;padding-bottom:10px;gap:.5rem}
  .search-form{width:100%}
  .search-form .form-control{width:100%}
}
@media (max-width:575.98px){
  .brand-text{font-size:1rem}
  .brand-sub{font-size:.68rem}
  .navbar-brand .brand-icon{width:34px;height:34px;font-size:.95rem;margin-right:8px}
}

/* ===== Page Hero ===== */
.page-hero{
  position:relative;padding:90px 0 80px;
  background-size:cover;background-position:center;
  background-color:var(--color-secondary);
  color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,18,16,.88) 0%,rgba(20,18,16,.72) 45%,rgba(20,18,16,.45) 100%);
}
.page-hero-content{position:relative;z-index:2}
.breadcrumb-nav{display:flex;align-items:center;gap:8px;font-size:.88rem;margin-bottom:28px;color:rgba(255,255,255,.75)}
.breadcrumb-nav a{color:rgba(255,255,255,.8)}
.breadcrumb-nav a:hover{color:var(--color-primary-light)}
.breadcrumb-nav .divider{font-size:.7rem;opacity:.6}
.breadcrumb-nav .current{color:#fff;font-weight:500}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  border-radius:40px;padding:8px 18px;
  font-size:.85rem;font-weight:500;letter-spacing:.03em;
  backdrop-filter:blur(6px);margin-bottom:20px;
}
.page-hero h1{
  font-size:2.9rem;font-weight:700;line-height:1.2;
  margin-bottom:18px;letter-spacing:.01em;
}
.hero-desc{font-size:1.1rem;max-width:680px;color:rgba(255,255,255,.88);margin-bottom:32px;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.trust-line{display:flex;flex-wrap:wrap;gap:22px;font-size:.9rem;color:rgba(255,255,255,.8)}
.trust-line i{color:var(--color-primary-light);margin-right:6px}
@media (max-width:767.98px){
  .page-hero{padding:64px 0 54px}
  .page-hero h1{font-size:2rem}
  .hero-desc{font-size:1rem}
  .trust-line{gap:12px;flex-direction:column}
}

/* ===== Guide Intro ===== */
.guide-image-wrap{position:relative}
.guide-image-wrap img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.image-badge{
  position:absolute;right:20px;bottom:20px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:14px;
  box-shadow:0 8px 24px rgba(0,0,0,.12);
  font-size:.88rem;font-weight:600;color:var(--color-secondary);
}
.image-badge i{color:var(--color-primary);font-size:1.2rem}
.feature-list{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:16px 22px}
.feature-list li{display:flex;gap:12px;align-items:flex-start}
.feature-list i{color:var(--color-primary);font-size:1.1rem;margin-top:3px;min-width:20px}
.feature-list strong{display:block;font-size:.95rem;color:var(--color-secondary)}
.feature-list span{font-size:.88rem;color:var(--color-text-weak);line-height:1.6}
@media (max-width:575.98px){
  .feature-list{grid-template-columns:1fr}
}

/* ===== Core Points ===== */
.core-card{
  background:#fff;border:1px solid var(--color-border);
  border-radius:var(--radius);padding:32px 26px;height:100%;
  transition:var(--transition);position:relative;overflow:hidden;
}
.core-card::after{
  content:"";position:absolute;left:0;top:0;width:4px;height:0;
  background:var(--color-primary);transition:var(--transition);
}
.core-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.core-card:hover::after{height:100%}
.core-icon{
  width:56px;height:56px;border-radius:14px;
  background:rgba(176,141,87,.1);color:var(--color-primary-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;margin-bottom:20px;
  transition:var(--transition);
}
.core-card:hover .core-icon{background:var(--color-primary);color:#fff}
.core-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.core-card p{font-size:.9rem;color:var(--color-text-weak);margin:0;line-height:1.65}

/* ===== Stats ===== */
.stats-section{
  position:relative;padding:70px 0;background-size:cover;background-position:center;
  background-color:#23201c;
}
.stats-section::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(20,18,16,.9),rgba(45,42,38,.82));
}
.stats-section .container{position:relative;z-index:2}
.stat-item{text-align:center;color:#fff;padding:16px}
.stat-number{font-size:2.8rem;font-weight:800;line-height:1.15;color:var(--color-primary-light)}
.stat-number span{font-size:1.4rem;font-weight:600;margin-left:2px}
.stat-label{font-size:.88rem;color:rgba(255,255,255,.72);letter-spacing:.05em;margin-top:6px}
@media (max-width:575.98px){
  .stats-section{padding:50px 0}
  .stat-number{font-size:2rem}
}

/* ===== Scenarios ===== */
.scenario-card{
  background:#fff;border:1px solid var(--color-border);
  border-radius:var(--radius);padding:30px 26px;height:100%;
  transition:var(--transition);
}
.scenario-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px)}
.scenario-icon{
  width:46px;height:46px;border-radius:12px;
  background:var(--color-bg-light);color:var(--color-primary-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:1.15rem;margin-bottom:18px;
}
.scenario-card h3{font-size:1.1rem;font-weight:700;margin-bottom:10px}
.scenario-card p{font-size:.9rem;color:var(--color-text-weak);margin:0}
.scenario-card .badge-soft{
  display:inline-block;margin-top:14px;font-size:.75rem;
  background:rgba(176,141,87,.08);color:var(--color-primary-dark);
  border-radius:20px;padding:4px 12px;font-weight:500;
}

/* ===== Process ===== */
.process-wrapper{position:relative;padding:20px 0}
.process-step{
  position:relative;text-align:center;padding:0 12px;
}
.process-dot{
  width:72px;height:72px;margin:0 auto 18px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;font-weight:700;
  box-shadow:0 8px 20px rgba(176,141,87,.3);
  position:relative;z-index:2;
}
.process-step h4{font-size:1.02rem;font-weight:700;margin-bottom:8px}
.process-step p{font-size:.86rem;color:var(--color-text-weak);line-height:1.6;margin:0}
.process-line{
  position:absolute;top:36px;left:calc(16.6% + 30px);right:calc(16.6% + 30px);
  height:2px;background:linear-gradient(90deg,var(--color-primary-light),var(--color-primary));
  z-index:1;
}
@media (max-width:991.98px){
  .process-line{display:none}
  .process-step{margin-bottom:30px}
}

/* ===== FAQ ===== */
.custom-accordion{
  --bs-accordion-border-color: var(--color-border);
  --bs-accordion-bg: #fff;
  --bs-accordion-border-radius: var(--radius);
  --bs-accordion-inner-border-radius: var(--radius);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 4px rgba(176,141,87,.12);
  --bs-accordion-active-bg: var(--color-bg-light);
  --bs-accordion-active-color: var(--color-primary-dark);
}
.custom-accordion .accordion-item{
  border:1px solid var(--color-border);
  border-radius:var(--radius) !important;
  margin-bottom:14px;box-shadow:0 2px 8px rgba(0,0,0,.02);
  overflow:hidden;
}
.custom-accordion .accordion-button{
  font-weight:600;font-size:1rem;padding:18px 22px;
  color:var(--color-secondary);
  background:#fff;
}
.custom-accordion .accordion-button:not(.collapsed){
  background:var(--color-bg-light);
  color:var(--color-primary-dark);
  box-shadow:none;
}
.custom-accordion .accordion-button::after{
  transition:transform .3s ease;
  filter:sepia(.3) saturate(2.5) hue-rotate(-10deg);
}
.custom-accordion .accordion-body{padding:6px 22px 20px;color:var(--color-text-weak);font-size:.92rem;line-height:1.7}

/* ===== CTA Banner ===== */
.cta-banner{
  position:relative;
  background:linear-gradient(135deg,var(--color-secondary),#3a342e);
  padding:70px 0;
  overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;
  border-radius:50%;background:rgba(176,141,87,.12);
}
.cta-banner::after{
  content:"";position:absolute;left:-40px;bottom:-140px;width:240px;height:240px;
  border-radius:50%;background:rgba(176,141,87,.08);
}
.cta-box{position:relative;z-index:2;color:#fff}
.cta-box h2{font-size:2rem;font-weight:700;margin-bottom:14px}
.cta-box p{color:rgba(255,255,255,.8);font-size:1.05rem;margin-bottom:24px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.cta-note{font-size:.9rem;color:rgba(255,255,255,.65)}
.cta-info-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(8px);
  padding:28px 30px;
}
.cta-info-card ul{list-style:none;padding:0;margin:0}
.cta-info-card li{
  display:flex;align-items:center;gap:14px;
  padding:10px 0;font-size:.95rem;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.cta-info-card li:last-child{border-bottom:none}
.cta-info-card i{color:var(--color-primary-light);font-size:1.1rem;width:22px;text-align:center}
@media (max-width:575.98px){
  .cta-box h2{font-size:1.6rem}
  .cta-actions{flex-direction:column;align-items:flex-start}
}

/* ===== Footer ===== */
.site-footer{background:var(--color-secondary);color:rgba(255,255,255,.72);padding:60px 0 0;margin-top:0}
.footer-brand{margin-bottom:20px}
.brand-text-footer{font-size:1.15rem;font-weight:700;color:#fff;display:inline-block;margin-bottom:14px}
.footer-brand p{font-size:.92rem;line-height:1.75;margin:0;max-width:460px}
.footer-title{
  color:#fff;font-size:.98rem;font-weight:700;letter-spacing:.06em;
  margin-bottom:18px;position:relative;padding-bottom:10px;
}
.footer-title::after{
  content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;
  background:var(--color-primary);border-radius:2px;
}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.65);font-size:.92rem;transition:var(--transition)}
.footer-links a:hover{color:var(--color-primary-light);padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:44px;padding:20px 0;
  font-size:.85rem;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--color-primary-light)}

/* ===== Responsive helper ===== */
@media (max-width:767.98px){
  .section{padding:60px 0}
  .section-head h2{font-size:1.6rem}
  .page-hero h1{font-size:1.9rem}
}