/* roulang page: index */
:root {
  --primary: #7A5C3A;
  --primary-dark: #4A3420;
  --primary-light: #A9855F;
  --secondary: #C4A17A;
  --accent: #D9A05B;
  --accent-hover: #C98E4B;
  --dark-bg: #1E1813;
  --dark-bg-2: #2A211A;
  --light-bg: #FAF6F1;
  --card-bg: #FFFFFF;
  --text-main: #2E2925;
  --text-muted: #7C7268;
  --border-color: #E7DDD2;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(43, 29, 17, 0.06);
  --shadow-md: 0 10px 30px rgba(43, 29, 17, 0.10);
  --shadow-lg: 0 24px 60px rgba(43, 29, 17, 0.16);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  background: var(--light-bg);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--primary-dark);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}
.section {
  padding: 90px 0;
}
.section-head {
  max-width: 720px;
  margin-bottom: 50px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(217, 160, 91, 0.18), rgba(122, 92, 58, 0.15));
  border: 1px solid rgba(122, 92, 58, 0.25);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 50px;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-head p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 0;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: linear-gradient(135deg, #241A12 0%, #4A3420 50%, #6B4A2E 100%);
  box-shadow: 0 4px 24px rgba(30, 24, 19, 0.35);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header .navbar {
  padding: 14px 0;
}
.brand-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-name {
  font-size: 21px;
  font-weight: 800;
  color: #FDF6EE;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.brand-sub {
  font-size: 12px;
  color: rgba(255, 244, 232, 0.72);
  letter-spacing: 1px;
  margin-top: 2px;
  white-space: nowrap;
}
.site-header .navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 10px;
  padding: 6px 10px;
}
.site-header .navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(217, 160, 91, 0.45);
}
.site-header .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='rgba(255,244,232,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.site-header .nav-link {
  color: rgba(255, 244, 232, 0.88);
  font-weight: 500;
  font-size: 15px;
  padding: 8px 16px !important;
  border-radius: 10px;
  position: relative;
  transition: var(--transition);
}
.site-header .nav-link:hover,
.site-header .nav-link:focus {
  color: #FFF;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}
.site-header .nav-link.active {
  color: #FFF;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}
.btn-nav-cta {
  background: linear-gradient(135deg, #D9A05B, #C98E4B);
  border: none;
  color: #241A12 !important;
  font-weight: 700;
  font-size: 14px;
  padding: 9px 22px !important;
  border-radius: 50px;
  margin-left: 10px;
  box-shadow: 0 4px 16px rgba(217, 160, 91, 0.35);
  transition: var(--transition);
}
.btn-nav-cta:hover,
.btn-nav-cta:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(217, 160, 91, 0.45);
  background: linear-gradient(135deg, #E2AF6F, #D9A05B);
  color: #241A12 !important;
}

/* ===== Button Base ===== */
.btn {
  border-radius: 50px;
  font-weight: 600;
  padding: 12px 28px;
  transition: var(--transition);
  font-size: 15px;
}
.btn-lg {
  padding: 14px 34px;
  font-size: 16px;
}
.btn-primary-custom {
  background: linear-gradient(135deg, #7A5C3A, #5D4228);
  border: 1px solid rgba(74, 52, 32, 0.2);
  color: #FFF8F0;
  box-shadow: 0 6px 20px rgba(74, 52, 32, 0.28);
}
.btn-primary-custom:hover,
.btn-primary-custom:focus {
  background: linear-gradient(135deg, #8A6A48, #6B4A2E);
  color: #FFF8F0;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(74, 52, 32, 0.36);
}
.btn-accent {
  background: linear-gradient(135deg, #D9A05B, #C98E4B);
  border: 1px solid rgba(201, 142, 75, 0.3);
  color: #241A12;
  box-shadow: 0 6px 20px rgba(217, 160, 91, 0.35);
}
.btn-accent:hover,
.btn-accent:focus {
  background: linear-gradient(135deg, #E2AF6F, #D9A05B);
  color: #241A12;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(217, 160, 91, 0.45);
}
.btn-outline-light-custom {
  border: 1.5px solid rgba(255, 244, 232, 0.6);
  color: #FFF4E8;
  background: transparent;
}
.btn-outline-light-custom:hover,
.btn-outline-light-custom:focus {
  background: rgba(255, 255, 255, 0.12);
  color: #FFF;
  border-color: #FFF;
  transform: translateY(-2px);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 110px 0 90px;
  background: linear-gradient(120deg, rgba(24, 18, 13, 0.94) 0%, rgba(44, 30, 20, 0.88) 55%, rgba(74, 52, 32, 0.78) 100%), url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
  color: #FFF;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  right: -160px;
  bottom: -160px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(217, 160, 91, 0.22), transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
}
.hero-tag {
  display: inline-block;
  background: rgba(255, 244, 232, 0.14);
  border: 1px solid rgba(255, 244, 232, 0.3);
  backdrop-filter: blur(8px);
  padding: 7px 20px;
  border-radius: 50px;
  color: #F6E3CF;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: #FFF8F0;
  margin-bottom: 20px;
}
.hero .lead {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255, 244, 232, 0.85);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}
.hero-stats div {
  display: flex;
  flex-direction: column;
}
.hero-stats strong {
  font-size: 26px;
  font-weight: 800;
  color: #FFE2BC;
  line-height: 1.2;
}
.hero-stats span {
  font-size: 13px;
  color: rgba(255, 244, 232, 0.65);
  margin-top: 4px;
}
.hero-rank {
  position: relative;
  z-index: 2;
  background: rgba(255, 248, 240, 0.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 244, 232, 0.16);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.rank-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 244, 232, 0.14);
  margin-bottom: 14px;
}
.rank-header i {
  font-size: 22px;
  color: #D9A05B;
}
.rank-header span {
  font-size: 16px;
  font-weight: 700;
  color: #FFF4E8;
}
.rank-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.rank-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 10px;
  border-radius: 12px;
  transition: var(--transition);
}
.rank-list li:hover {
  background: rgba(255, 255, 255, 0.08);
}
.rank-num {
  font-size: 18px;
  font-weight: 800;
  color: rgba(255, 244, 232, 0.4);
  min-width: 32px;
}
.rank-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.rank-info strong {
  font-size: 15px;
  color: #FFF;
  font-weight: 600;
}
.rank-info span {
  font-size: 12px;
  color: rgba(255, 244, 232, 0.6);
}
.rank-badge {
  font-size: 11px;
  font-weight: 600;
  background: rgba(217, 160, 91, 0.25);
  color: #FFE2BC;
  border: 1px solid rgba(217, 160, 91, 0.4);
  padding: 3px 10px;
  border-radius: 50px;
}

/* ===== Countdown ===== */
.countdown-bar {
  background: linear-gradient(135deg, #2A211A, #4A3420);
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 244, 232, 0.08);
}
.countdown-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
}
.countdown-text {
  color: #F6E3CF;
  font-size: 16px;
  font-weight: 600;
}
.countdown-text i {
  color: #D9A05B;
  margin-right: 8px;
}
.countdown-box {
  display: flex;
  align-items: center;
  gap: 8px;
}
.countdown-box .digit {
  background: rgba(255, 248, 240, 0.12);
  border: 1px solid rgba(255, 244, 232, 0.16);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 22px;
  font-weight: 800;
  color: #FFE2BC;
  min-width: 54px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.countdown-box .sep {
  color: rgba(255, 244, 232, 0.5);
  font-size: 20px;
  font-weight: 800;
}
.countdown-note {
  font-size: 13px;
  color: rgba(255, 244, 232, 0.55);
  background: rgba(255, 255, 255, 0.06);
  padding: 5px 14px;
  border-radius: 50px;
}

/* ===== Features ===== */
.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(122, 92, 58, 0.3);
}
.feature-card .card-img-wrap {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.feature-card .card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.feature-card:hover .card-img-wrap img {
  transform: scale(1.06);
}
.feature-card .card-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(30, 24, 19, 0.45), transparent 60%);
}
.feature-card .card-body {
  padding: 26px 24px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.feature-card .card-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(217, 160, 91, 0.15), rgba(122, 92, 58, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}
.feature-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.card-tags span {
  font-size: 12px;
  color: var(--primary-dark);
  background: #F5EEE6;
  border: 1px solid rgba(122, 92, 58, 0.12);
  padding: 3px 12px;
  border-radius: 50px;
  font-weight: 500;
}

/* ===== Plans ===== */
.plans-section {
  background: var(--dark-bg);
  color: #FFF;
  position: relative;
  overflow: hidden;
}
.plans-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217, 160, 91, 0.4), transparent);
}
.plans-section .section-tag {
  background: rgba(217, 160, 91, 0.16);
  border-color: rgba(217, 160, 91, 0.3);
  color: #FFE2BC;
}
.plans-section .section-head h2 {
  color: #FFF8F0;
}
.plans-section .section-head p {
  color: rgba(255, 244, 232, 0.65);
}
.plan-card {
  background: rgba(255, 248, 240, 0.05);
  border: 1px solid rgba(255, 244, 232, 0.12);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}
.plan-card:hover {
  background: rgba(255, 248, 240, 0.08);
  border-color: rgba(217, 160, 91, 0.35);
  transform: translateY(-6px);
}
.plan-card .plan-name {
  font-size: 20px;
  font-weight: 700;
  color: #FFF4E8;
  margin-bottom: 6px;
}
.plan-card .plan-scene {
  font-size: 13px;
  color: rgba(255, 244, 232, 0.55);
  margin-bottom: 20px;
}
.plan-card .plan-price {
  font-size: 30px;
  font-weight: 800;
  color: #FFE2BC;
  margin-bottom: 20px;
  line-height: 1.2;
}
.plan-card .plan-price small {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 244, 232, 0.55);
}
.plan-card .plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  flex: 1;
}
.plan-card .plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 244, 232, 0.78);
  padding: 6px 0;
}
.plan-card .plan-features li i {
  color: #D9A05B;
  font-size: 14px;
  width: 18px;
}
.plan-card .btn {
  width: 100%;
}
.plan-card.featured {
  background: linear-gradient(150deg, rgba(217, 160, 91, 0.18), rgba(122, 92, 58, 0.12));
  border: 1.5px solid rgba(217, 160, 91, 0.5);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}
.plan-card.featured .featured-tag {
  position: absolute;
  top: -12px;
  right: 20px;
  background: linear-gradient(135deg, #D9A05B, #C98E4B);
  color: #241A12;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
}

/* ===== Data & Guarantee ===== */
.data-band {
  background: linear-gradient(135deg, #FAF6F1, #F1E9DF);
  border-bottom: 1px solid var(--border-color);
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.stat-item {
  text-align: center;
  padding: 28px 16px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.stat-item .stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}
.guarantee-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.guarantee-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.guarantee-item:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(122, 92, 58, 0.25);
}
.guarantee-item .g-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(217, 160, 91, 0.2), rgba(122, 92, 58, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 22px;
}
.guarantee-item .g-body h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}
.guarantee-item .g-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.65;
}

/* ===== News ===== */
.news-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
}
.news-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}
.news-item:first-child {
  padding-top: 0;
}
.news-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.news-cat {
  background: #F5EEE6;
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 50px;
  border: 1px solid rgba(122, 92, 58, 0.1);
}
.news-time {
  font-size: 13px;
  color: var(--text-muted);
}
.news-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 8px;
}
.news-title a {
  color: var(--text-main);
}
.news-title a:hover {
  color: var(--primary);
}
.news-summary {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 10px;
}
.news-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  align-self: flex-start;
}
.news-link i {
  transition: transform 0.3s ease;
  font-size: 12px;
}
.news-link:hover i {
  transform: translateX(4px);
}
.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
}
.sidebar-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 12px;
}
.sidebar-card h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, #D9A05B, #7A5C3A);
  border-radius: 4px;
}
.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.side-tags a {
  font-size: 13px;
  color: var(--primary-dark);
  background: #F5EEE6;
  border: 1px solid rgba(122, 92, 58, 0.12);
  padding: 5px 14px;
  border-radius: 50px;
  font-weight: 500;
  transition: var(--transition);
}
.side-tags a:hover,
.side-tags a:focus {
  background: var(--primary);
  color: #FFF;
  border-color: var(--primary);
}
.side-feature {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border-color);
}
.side-feature:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.side-feature .sf-num {
  font-size: 20px;
  font-weight: 800;
  color: rgba(122, 92, 58, 0.3);
  min-width: 32px;
}
.side-feature .sf-text {
  font-size: 14px;
  color: var(--text-main);
  font-weight: 500;
  line-height: 1.4;
}
.side-feature .sf-text small {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
}

/* ===== Changelog ===== */
.changelog-section {
  background: #F1E9DF;
}
.log-list {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}
.log-list::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, rgba(217, 160, 91, 0.5), rgba(122, 92, 58, 0.15));
  border-radius: 2px;
}
.log-list li {
  display: flex;
  gap: 24px;
  position: relative;
  padding: 0 0 28px 0;
}
.log-list li:last-child {
  padding-bottom: 0;
}
.log-list li::before {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #D9A05B;
  border: 3px solid #F1E9DF;
  box-shadow: 0 0 0 2px rgba(217, 160, 91, 0.4);
  position: absolute;
  left: 13px;
  top: 10px;
  z-index: 1;
  flex-shrink: 0;
}
.log-version {
  min-width: 84px;
  font-weight: 700;
  font-size: 15px;
  color: var(--primary-dark);
  background: #FFF;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 6px 14px;
  text-align: center;
  height: fit-content;
  box-shadow: var(--shadow-sm);
}
.log-body {
  flex: 1;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.log-body p {
  margin-bottom: 0;
  font-size: 14px;
  color: var(--text-main);
  line-height: 1.7;
}
.log-body small {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== Contact ===== */
.contact-section {
  position: relative;
  background: linear-gradient(120deg, rgba(30, 24, 19, 0.92), rgba(50, 36, 25, 0.88)), url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat;
  color: #FFF;
}
.contact-section .section-tag {
  background: rgba(217, 160, 91, 0.16);
  border-color: rgba(217, 160, 91, 0.3);
  color: #FFE2BC;
}
.contact-section .section-head h2 {
  color: #FFF8F0;
}
.contact-section .section-head p {
  color: rgba(255, 244, 232, 0.65);
}
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: rgba(255, 248, 240, 0.06);
  border: 1px solid rgba(255, 244, 232, 0.12);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(12px);
}
.contact-info h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #FFF8F0;
}
.contact-info p {
  font-size: 15px;
  color: rgba(255, 244, 232, 0.75);
  line-height: 1.8;
  margin-bottom: 24px;
}
.contact-info .contact-methods {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-info .contact-methods li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  color: rgba(255, 244, 232, 0.9);
}
.contact-info .contact-methods li i {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(217, 160, 91, 0.18);
  border: 1px solid rgba(217, 160, 91, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFE2BC;
  font-size: 16px;
  flex-shrink: 0;
}
.contact-form .form-control,
.contact-form .form-select {
  background: rgba(255, 248, 240, 0.08);
  border: 1px solid rgba(255, 244, 232, 0.18);
  color: #FFF4E8;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 15px;
  transition: var(--transition);
}
.contact-form .form-control:focus,
.contact-form .form-select:focus {
  background: rgba(255, 248, 240, 0.12);
  border-color: #D9A05B;
  box-shadow: 0 0 0 4px rgba(217, 160, 91, 0.18);
  color: #FFF;
}
.contact-form .form-control::placeholder {
  color: rgba(255, 244, 232, 0.45);
}
.contact-form .form-select option {
  background: #2A211A;
  color: #FFF4E8;
}
.contact-form .form-label {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 244, 232, 0.75);
  margin-bottom: 6px;
}

/* ===== FAQ ===== */
.faq-section .accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius) !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.faq-section .accordion-item:hover {
  border-color: rgba(122, 92, 58, 0.25);
  box-shadow: var(--shadow-md);
}
.faq-section .accordion-button {
  background: var(--card-bg);
  color: var(--text-main);
  font-weight: 600;
  font-size: 16px;
  padding: 20px 24px;
  box-shadow: none !important;
}
.faq-section .accordion-button:not(.collapsed) {
  background: #F5EEE6;
  color: var(--primary-dark);
}
.faq-section .accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%237A5C3A'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}
.faq-section .accordion-body {
  padding: 0 24px 24px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== Footer ===== */
.site-footer {
  background: linear-gradient(135deg, #1E1813, #2A211A);
  color: rgba(255, 244, 232, 0.68);
  padding: 70px 0 0;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217, 160, 91, 0.5), transparent);
}
.footer-brand {
  font-size: 20px;
  font-weight: 800;
  color: #FFF4E8;
  margin-bottom: 12px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 244, 232, 0.55);
  margin-bottom: 0;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #F6E3CF;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255, 244, 232, 0.58);
  font-size: 14px;
  transition: var(--transition);
}
.footer-links a:hover,
.footer-links a:focus {
  color: #D9A05B;
  padding-left: 4px;
  outline: none;
}
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  color: rgba(255, 244, 232, 0.58);
}
.footer-contact li i {
  color: #D9A05B;
  font-size: 14px;
  margin-top: 4px;
  width: 16px;
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 244, 232, 0.08);
  padding: 20px 0;
  margin-top: 60px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 244, 232, 0.4);
}
.footer-bottom a {
  color: rgba(255, 244, 232, 0.6);
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .hero {
    padding: 80px 0 70px;
  }
  .hero-rank {
    margin-top: 40px;
  }
  .contact-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 30px 24px;
  }
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .guarantee-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-sidebar {
    margin-top: 24px;
  }
  .site-header .navbar-collapse {
    background: linear-gradient(135deg, #241A12, #4A3420);
    border-radius: 14px;
    padding: 16px;
    margin-top: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
  }
  .site-header .nav-link {
    padding: 10px 14px !important;
  }
  .btn-nav-cta {
    margin-left: 0;
    margin-top: 6px;
    text-align: center;
  }
}
@media (max-width: 767.98px) {
  .section {
    padding: 60px 0;
  }
  .section-head {
    margin-bottom: 36px;
  }
  .hero {
    padding: 60px 0 50px;
  }
  .hero-stats {
    gap: 28px;
  }
  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }
  .countdown-inner {
    flex-direction: column;
    gap: 12px;
  }
  .guarantee-row {
    grid-template-columns: 1fr;
  }
  .log-version {
    min-width: 72px;
    font-size: 13px;
    padding: 5px 10px;
  }
  .plan-card {
    margin-bottom: 16px;
  }
}
@media (max-width: 575.98px) {
  .hero h1 {
    font-size: 26px;
  }
  .hero .lead {
    font-size: 15px;
  }
  .hero-stats strong {
    font-size: 22px;
  }
  .brand-name {
    font-size: 18px;
  }
  .brand-sub {
    font-size: 11px;
  }
  .stats-row {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-item {
    padding: 20px 12px;
  }
  .stat-item .stat-num {
    font-size: 28px;
  }
  .contact-wrap {
    padding: 24px 18px;
  }
  .log-list {
    padding-left: 0;
  }
  .log-list li {
    gap: 14px;
  }
  .log-version {
    min-width: 64px;
  }
  .news-content {
    padding: 22px 18px;
  }
}
@media (max-width: 390px) {
  .hero-stats {
    gap: 16px;
  }
  .hero-stats strong {
    font-size: 20px;
  }
  .countdown-box .digit {
    min-width: 44px;
    padding: 6px 10px;
    font-size: 18px;
  }
}

/* roulang page: article */
/* roulang page: article */
:root {
  --primary: #7A5C3A;
  --primary-dark: #4A3420;
  --primary-light: #A9855F;
  --secondary: #C4A17A;
  --accent: #D9A05B;
  --accent-hover: #C98E4B;
  --dark-bg: #1E1813;
  --dark-bg-2: #2A211A;
  --light-bg: #FAF6F1;
  --card-bg: #FFFFFF;
  --text-main: #2E2925;
  --text-muted: #7C7268;
  --border-color: #E7DDD2;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(43, 29, 17, 0.06);
  --shadow-md: 0 10px 30px rgba(43, 29, 17, 0.10);
  --shadow-lg: 0 24px 60px rgba(43, 29, 17, 0.16);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "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(--light-bg);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button,
input,
textarea {
  font-family: var(--font-family);
}
.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}
.section {
  padding: 90px 0;
}
.section-head {
  max-width: 720px;
  margin-bottom: 50px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(217, 160, 91, 0.18), rgba(122, 92, 58, 0.15));
  border: 1px solid rgba(122, 92, 58, 0.25);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 50px;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-head p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 0;
}
/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: linear-gradient(135deg, #241A12 0%, #4A3420 50%, #6B4A2E 100%);
  box-shadow: 0 4px 24px rgba(30, 24, 19, 0.35);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header .navbar {
  padding: 14px 0;
}
.brand-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-name {
  font-size: 21px;
  font-weight: 800;
  color: #FDF6EE;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.brand-sub {
  font-size: 12px;
  color: rgba(255, 244, 232, 0.72);
  letter-spacing: 1px;
  margin-top: 2px;
  white-space: nowrap;
}
.site-header .navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 10px;
  padding: 6px 10px;
}
.site-header .navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(217, 160, 91, 0.45);
}
.site-header .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='rgba(255,244,232,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.site-header .nav-link {
  color: rgba(255, 244, 232, 0.88);
  font-weight: 500;
  font-size: 15px;
  padding: 8px 16px !important;
  border-radius: 10px;
  position: relative;
  transition: var(--transition);
}
.site-header .nav-link:hover,
.site-header .nav-link:focus {
  color: #FFF;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}
.site-header .nav-link.active {
  color: #FFF;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}
.btn-nav-cta {
  background: linear-gradient(135deg, #D9A05B, #C98E4B);
  border: none;
  color: #241A12 !important;
  font-weight: 700;
  font-size: 14px;
  padding: 9px 22px !important;
  border-radius: 50px;
  margin-left: 10px;
  box-shadow: 0 4px 16px rgba(217, 160, 91, 0.35);
  transition: var(--transition);
}
.btn-nav-cta:hover,
.btn-nav-cta:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(217, 160, 91, 0.45);
  background: linear-gradient(135deg, #E2AF6F, #D9A05B);
  color: #241A12 !important;
}
/* ===== Button Base ===== */
.btn {
  border-radius: 50px;
  font-weight: 600;
  padding: 12px 28px;
  transition: var(--transition);
  font-size: 15px;
}
.btn-lg {
  padding: 14px 34px;
  font-size: 16px;
}
.btn-primary-custom {
  background: linear-gradient(135deg, #7A5C3A, #5D4228);
  border: 1px solid rgba(74, 52, 32, 0.2);
  color: #FFF8F0;
  box-shadow: 0 6px 20px rgba(74, 52, 32, 0.28);
}
.btn-primary-custom:hover,
.btn-primary-custom:focus {
  background: linear-gradient(135deg, #8A6A48, #6B4A2E);
  color: #FFF8F0;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(74, 52, 32, 0.36);
}
.btn-accent {
  background: linear-gradient(135deg, #D9A05B, #C98E4B);
  border: 1px solid rgba(201, 142, 75, 0.3);
  color: #241A12;
  box-shadow: 0 6px 20px rgba(217, 160, 91, 0.35);
}
.btn-accent:hover,
.btn-accent:focus {
  background: linear-gradient(135deg, #E2AF6F, #D9A05B);
  color: #241A12;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(217, 160, 91, 0.45);
}
.btn-outline-light-custom {
  border: 1.5px solid rgba(255, 244, 232, 0.6);
  color: #FFF4E8;
  background: transparent;
}
.btn-outline-light-custom:hover,
.btn-outline-light-custom:focus {
  background: rgba(255, 255, 255, 0.12);
  color: #FFF;
  border-color: #FFF;
  transform: translateY(-2px);
}
.btn-outline-accent {
  border: 1.5px solid var(--accent);
  color: var(--accent-hover);
  background: transparent;
}
.btn-outline-accent:hover,
.btn-outline-accent:focus {
  background: var(--accent);
  color: #241A12;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(217, 160, 91, 0.3);
}
/* ===== Article Page Hero ===== */
.page-hero {
  position: relative;
  padding: 100px 0 80px;
  background: linear-gradient(120deg, rgba(24, 18, 13, 0.92) 0%, rgba(44, 30, 20, 0.85) 60%, rgba(74, 52, 32, 0.75) 100%), url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat;
  color: #FFF;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center top, rgba(217, 160, 91, 0.2), transparent 65%);
  pointer-events: none;
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.page-hero-inner {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}
.breadcrumb-nav {
  display: inline-flex;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 22px;
  background: rgba(255, 244, 232, 0.14);
  border: 1px solid rgba(255, 244, 232, 0.2);
  border-radius: 50px;
  padding: 8px 20px;
}
.breadcrumb-nav a {
  color: rgba(255, 244, 232, 0.8);
}
.breadcrumb-nav a:hover {
  color: #FFF;
}
.breadcrumb-nav .sep {
  color: rgba(255, 244, 232, 0.5);
}
.breadcrumb-nav .current {
  color: var(--accent);
}
.page-hero-meta {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.page-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 244, 232, 0.12);
  border: 1px solid rgba(255, 244, 232, 0.22);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  color: #F6E3CF;
}
.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.3;
  max-width: 900px;
  margin: 0 auto 18px;
  letter-spacing: -0.02em;
}
.page-hero .lead {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 244, 232, 0.88);
  max-width: 780px;
  margin: 0 auto;
}
/* ===== Article Main ===== */
.article-main {
  padding: 70px 0 90px;
}
.article-body {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 46px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.article-body:hover {
  box-shadow: var(--shadow-md);
}
.article-body p {
  margin-bottom: 20px;
  line-height: 2;
  color: #3B3530;
}
.article-body h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin: 36px 0 16px;
  color: var(--primary-dark);
  line-height: 1.4;
}
.article-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--primary-dark);
}
.article-body ul,
.article-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
}
.article-body li {
  line-height: 1.9;
  margin-bottom: 6px;
}
.article-body img {
  border-radius: var(--radius);
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}
.article-body a {
  color: var(--accent-hover);
  border-bottom: 1px solid rgba(201, 142, 75, 0.3);
}
.article-body a:hover {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
}
.article-body blockquote {
  border-left: none;
  background: linear-gradient(135deg, rgba(217, 160, 91, 0.12), rgba(122, 92, 58, 0.08));
  border-radius: var(--radius);
  padding: 28px 32px;
  margin: 32px 0;
  font-size: 18px;
  font-style: italic;
  color: var(--primary-dark);
  position: relative;
  line-height: 1.9;
}
.article-body blockquote::before {
  content: '\201C';
  font-size: 56px;
  color: var(--accent);
  position: absolute;
  top: 8px;
  left: 20px;
  font-family: Georgia, serif;
  opacity: 0.7;
}
.article-empty {
  text-align: center;
  padding: 60px 20px;
}
.article-empty .empty-icon {
  font-size: 52px;
  color: var(--accent);
  margin-bottom: 18px;
}
.article-empty h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}
.article-empty p {
  color: var(--text-muted);
  margin-bottom: 26px;
}
/* ===== Sidebar ===== */
.sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  transition: var(--transition);
}
.sidebar-card:hover {
  box-shadow: var(--shadow-md);
}
.sidebar-card .sidebar-img {
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.sidebar-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(217, 160, 91, 0.35);
}
.sidebar-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 14px;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.service-tags span {
  display: inline-block;
  background: rgba(122, 92, 58, 0.08);
  border: 1px solid rgba(122, 92, 58, 0.2);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 50px;
  transition: var(--transition);
  cursor: default;
}
.service-tags span:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #241A12;
}
.sidebar-contact .btn-lg {
  font-size: 15px;
}
.sidebar-contact .contact-note {
  font-size: 12px;
  text-align: center;
  margin-top: 12px;
  margin-bottom: 0;
}
/* ===== Related Section ===== */
.related-section {
  background: linear-gradient(180deg, var(--light-bg) 0%, #F3EDE5 100%);
  padding: 80px 0;
}
.related-card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(217, 160, 91, 0.4);
}
.related-card-img {
  height: 200px;
  overflow: hidden;
}
.related-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.related-card:hover .related-card-img img {
  transform: scale(1.05);
}
.related-card-body {
  padding: 24px;
}
.related-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-hover);
  background: rgba(217, 160, 91, 0.12);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 10px;
}
.related-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
  line-height: 1.4;
}
.related-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 14px;
}
.link-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.related-card:hover .link-more {
  color: var(--accent-hover);
}
/* ===== FAQ ===== */
.faq-section {
  background: var(--light-bg);
  padding: 80px 0;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.faq-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.faq-item h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.faq-item h4::before {
  content: 'Q';
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, #D9A05B, #C98E4B);
  color: #241A12;
  font-size: 13px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 3px;
}
.faq-item p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
  padding-left: 36px;
}
/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background: #F3EDE5;
}
.cta-box {
  background: linear-gradient(135deg, #241A12, #4A3420 60%, #6B4A2E);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  color: #FFF;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 420px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(217, 160, 91, 0.3), transparent 70%);
  pointer-events: none;
}
.cta-box h3 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-box p {
  color: rgba(255, 244, 232, 0.85);
  max-width: 640px;
  margin: 0 auto 28px;
  font-size: 16px;
  line-height: 1.8;
}
.cta-wechat {
  margin-top: 18px;
  font-size: 15px;
  color: rgba(255, 244, 232, 0.85);
  margin-bottom: 0;
}
.cta-wechat i {
  color: var(--accent);
}
/* ===== Footer ===== */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255, 244, 232, 0.75);
  padding: 70px 0 30px;
  border-top: 3px solid rgba(217, 160, 91, 0.4);
}
.site-footer .footer-brand {
  font-size: 24px;
  font-weight: 800;
  color: #FDF6EE;
  margin-bottom: 10px;
}
.site-footer .footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 244, 232, 0.65);
  max-width: 340px;
}
.site-footer .footer-title {
  color: #FDF6EE;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.site-footer .footer-links,
.site-footer .footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-footer .footer-links li {
  margin-bottom: 10px;
}
.site-footer .footer-links a {
  color: rgba(255, 244, 232, 0.65);
  font-size: 14px;
}
.site-footer .footer-links a:hover {
  color: var(--accent);
}
.site-footer .footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  color: rgba(255, 244, 232, 0.7);
}
.site-footer .footer-contact i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}
.site-footer .footer-bottom {
  margin-top: 50px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 13px;
  color: rgba(255, 244, 232, 0.5);
}
/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .site-header .navbar-collapse {
    padding: 14px 0 8px;
  }
  .site-header .nav-link {
    padding: 10px 16px !important;
  }
  .btn-nav-cta {
    margin-left: 0;
    margin-top: 8px;
    text-align: center;
  }
  .page-hero {
    padding: 70px 0 56px;
  }
  .article-body {
    padding: 30px 24px;
  }
  .sidebar-card {
    padding: 22px;
  }
}
@media (max-width: 767.98px) {
  .section {
    padding: 60px 0;
  }
  .page-hero h1 {
    font-size: 1.7rem;
  }
  .page-hero .lead {
    font-size: 15px;
  }
  .article-main {
    padding: 50px 0 60px;
  }
  .cta-box {
    padding: 40px 24px;
  }
  .sidebar-card {
    padding: 20px;
  }
  .faq-item {
    padding: 20px;
  }
  .faq-item p {
    padding-left: 0;
  }
}
@media (max-width: 575.98px) {
  .page-hero-meta {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .breadcrumb-nav {
    font-size: 13px;
    padding: 6px 14px;
  }
  .cta-box .btn {
    display: block;
    width: 100%;
    margin: 10px 0;
  }
  .article-body blockquote {
    padding: 20px 20px;
    font-size: 16px;
  }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}