/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #C9602F;
  --primary-dark: #A84B22;
  --primary-light: #E07B4E;
  --secondary: #7F9B8C;
  --secondary-light: #A8C3B5;
  --accent: #E5B75B;
  --bg: #F7F3ED;
  --bg-light: #FCFAF6;
  --dark: #20241F;
  --text: #242A26;
  --text-light: #6E6E6E;
  --border: rgba(32,36,31,0.10);
  --white: #FFFFFF;
  --radius: 14px;
  --radius-lg: 24px;
  --shadow: 0 4px 16px rgba(32,36,31,.06);
  --shadow-hover: 0 12px 32px rgba(32,36,31,.12);
  --transition: all .3s ease;
  --container: 1180px;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: 1.5; }
button { cursor: pointer; border: none; background: none; }
section { position: relative; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: var(--transition);
  border: 1px solid transparent;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(201,96,47,.25);
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 18px rgba(201,96,47,.32);
  transform: translateY(-2px);
}
.btn-primary:active { transform: scale(.98); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: rgba(201,96,47,.4);
}
.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(201,96,47,.06);
  transform: translateY(-2px);
}
.btn-outline:active { transform: scale(.98); }
.btn-dark {
  background: var(--dark);
  color: #fff;
}
.btn-dark:hover { background: #2e342c; transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; }
.btn:focus-visible { outline: 3px solid rgba(201,96,47,.35); outline-offset: 2px; }

/* ===== 标签 / 徽章 ===== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(201,96,47,.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  letter-spacing: .5px;
  margin-bottom: 16px;
}
.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(201,96,47,.1);
  color: var(--primary);
}
.badge-accent { background: rgba(229,183,91,.18); color: #a07a20; }
.badge-vip { background: linear-gradient(135deg, #e5b75b, #d99a2b); color: #fff; }

/* ===== Header / 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(247,243,237,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(247,243,237,.98);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow);
}
.header-inner {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  position: relative;
}
.header-inner::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
  opacity: .7;
}
.header-left {
  width: 50%;
  display: flex;
  align-items: center;
  gap: 28px;
  padding-right: 24px;
}
.header-right {
  width: 50%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  padding-left: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 4px 10px rgba(201,96,47,.25);
}
.brand-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: .5px;
}
.site-nav {
  display: flex;
  gap: 24px;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  padding: 4px 0;
  position: relative;
}
.nav-link:hover { color: var(--primary); }
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.search-box {
  display: flex;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 16px;
  width: 200px;
  gap: 8px;
  transition: var(--transition);
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(201,96,47,.1);
}
.search-box i { color: var(--text-light); font-size: 14px; }
.search-box input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  width: 100%;
  color: var(--text);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  z-index: 110;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  padding: 120px 0 72px;
  background: var(--bg);
  overflow: hidden;
}
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  position: relative;
}
.hero-inner::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
  opacity: .5;
}
.hero-left {
  width: 50%;
  padding-right: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-right {
  width: 50%;
  padding-left: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-light);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}
.hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 16px;
}
.hero h1 em {
  font-style: normal;
  color: var(--primary);
}
.hero-sub {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  max-width: 460px;
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.hero-trust {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-light);
  flex-wrap: wrap;
}
.hero-trust .sep { opacity: .5; }

/* Hero 视觉区 */
.hero-visual {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  background-size: cover;
  background-position: center;
  min-height: 460px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.hero-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(201,96,47,.12), rgba(127,155,140,.18));
  border-radius: var(--radius-lg);
}
.hero-flow-card {
  position: absolute;
  left: 24px;
  bottom: 24px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 10px 30px rgba(32,36,31,.15);
  max-width: 260px;
}
.hero-flow-card img {
  width: 64px;
  height: 64px;
  border-radius: 10px;
  object-fit: cover;
}
.hero-flow-card span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.hero-flow-card small {
  display: block;
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  margin-top: 2px;
}
.steam-1, .steam-2, .steam-3 {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  pointer-events: none;
}
.steam-1 { width: 90px; height: 90px; right: 12%; top: 10%; animation: steamFloat 6s ease-in-out infinite; }
.steam-2 { width: 60px; height: 60px; right: 28%; top: 28%; animation: steamFloat 8s ease-in-out infinite; }
.steam-3 { width: 40px; height: 40px; left: 18%; top: 16%; animation: steamFloat 5s ease-in-out infinite; }
@keyframes steamFloat {
  0%, 100% { transform: translateY(0) scale(1); opacity: .6; }
  50% { transform: translateY(-20px) scale(1.08); opacity: .9; }
}

/* ===== 指标看板 ===== */
.stats-section {
  padding: 0 0 80px;
  background: var(--bg);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 32px 24px;
  margin-top: -20px;
  position: relative;
  z-index: 5;
}
.stat-card {
  text-align: center;
  padding: 16px 24px;
  border-right: 1px solid var(--border);
}
.stat-card:last-child { border-right: none; }
.stat-number {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  font-family: "DIN", "Inter", "PingFang SC", sans-serif;
}
.stat-number span { font-size: 28px; }
.stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  margin-top: 8px;
}

/* ===== 服务矩阵 ===== */
.services-section {
  padding: 80px 0 100px;
  background: var(--bg-light);
}
.section-header {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-header h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 12px;
}
.section-header p {
  color: var(--text-light);
  font-size: 15px;
}
.services-row-1,
.services-row-2 {
  display: grid;
  gap: 24px;
}
.services-row-1 { grid-template-columns: repeat(3, 1fr); }
.services-row-2 {
  grid-template-columns: 2fr 1fr 1fr;
  margin-top: 24px;
}
.service-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.service-num {
  position: absolute;
  top: 12px;
  left: 16px;
  font-size: 56px;
  font-weight: 800;
  color: rgba(201,96,47,.1);
  font-family: "Inter", sans-serif;
  line-height: 1;
  z-index: 2;
  transition: var(--transition);
}
.service-card:hover .service-num { color: rgba(201,96,47,.2); }
.service-img {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.service-card:hover .service-img img { transform: scale(1.03); }
.service-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(32,36,31,.25));
}
.service-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  background: rgba(255,255,255,.92);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
}
.service-badge.badge-vip { background: linear-gradient(135deg, #e5b75b, #d99a2b); color: #fff; }
.service-body {
  padding: 20px 20px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.service-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.service-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--text-light);
}
.service-meta .price {
  font-weight: 700;
  color: var(--primary);
  font-size: 15px;
}
.service-meta i { margin-right: 4px; }
.service-card.wide .service-img { height: 220px; }
.service-card.wide .service-body h3 { font-size: 20px; }
.service-card.wide .service-body p { -webkit-line-clamp: 3; }

/* ===== 结果对比 ===== */
.compare-section {
  padding: 100px 0;
  background: var(--dark);
  color: #fff;
}
.compare-section .section-header h2 { color: #fff; }
.compare-section .section-header p { color: rgba(255,255,255,.65); }
.compare-section .section-tag { background: rgba(255,255,255,.1); color: var(--secondary-light); }
.compare-section .section-tag::before { background: var(--accent); }
.compare-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 40px;
}
.compare-col {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.compare-col h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.compare-col.before h3 { color: rgba(255,255,255,.7); }
.compare-col.after h3 { color: var(--accent); }
.compare-col ul li {
  padding: 8px 0;
  font-size: 14px;
  color: rgba(255,255,255,.85);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.compare-col ul li:last-child { border-bottom: none; }
.compare-col ul li i { margin-top: 4px; font-size: 14px; }
.compare-col.before ul li i { color: rgba(255,255,255,.3); }
.compare-col.after ul li i { color: var(--accent); }
.compare-arrow {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 16px rgba(201,96,47,.4);
}
.compare-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 40px;
}
.cstat { text-align: center; }
.cstat strong {
  display: block;
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  font-family: "Inter", sans-serif;
}
.cstat span {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  margin-top: 6px;
}

/* ===== 最新资讯 ===== */
.updates-section {
  padding: 100px 0 80px;
  background: var(--bg);
}
.updates-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
}
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.post-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.post-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.post-cover {
  height: 160px;
  overflow: hidden;
  position: relative;
}
.post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.post-card:hover .post-cover img { transform: scale(1.05); }
.post-cat {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.post-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.post-body h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-body h3 a:hover { color: var(--primary); }
.post-body p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-light);
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.post-meta a {
  color: var(--primary);
  font-weight: 500;
}
.post-meta a:hover { color: var(--primary-dark); }
.posts-empty {
  grid-column: 1/-1;
  background: var(--white);
  border-radius: var(--radius);
  padding: 60px 24px;
  text-align: center;
  box-shadow: var(--shadow);
}
.empty-icon {
  font-size: 36px;
  display: block;
  margin-bottom: 12px;
}
.posts-empty p {
  color: var(--text-light);
  font-size: 14px;
}
.updates-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sidebar-widget {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.sidebar-widget h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-widget h4 i { color: var(--primary); }
.sidebar-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--secondary);
  flex-shrink: 0;
}

/* ===== 热门专题 ===== */
.topics-section {
  padding: 0 0 100px;
  background: var(--bg);
}
.topics-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 40px;
}
.topics-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}
.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.topic-tag {
  display: inline-block;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  color: var(--text-light);
  transition: var(--transition);
}
.topic-tag:hover {
  background: rgba(201,96,47,.06);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ===== FAQ ===== */
.faq-section {
  padding: 100px 0;
  background: var(--bg-light);
}
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
}
.faq-left h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.3;
}
.faq-left p {
  color: var(--text-light);
  font-size: 15px;
  margin-bottom: 24px;
  line-height: 1.8;
}
.faq-items { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open {
  border-color: rgba(201,96,47,.3);
  box-shadow: var(--shadow);
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  gap: 16px;
}
.faq-question i {
  color: var(--text-light);
  transition: transform .3s ease;
  font-size: 14px;
  flex-shrink: 0;
}
.faq-item.open .faq-question i { transform: rotate(45deg); color: var(--primary); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== 转化表单 ===== */
.contact-section {
  padding: 100px 0;
  background: linear-gradient(150deg, #20241f 0%, #2a2f29 100%);
}
.contact-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.contact-info {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contact-info h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}
.contact-info > p {
  font-size: 14px;
  color: rgba(255,255,255,.8);
  line-height: 1.7;
  margin-bottom: 32px;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-details p {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: rgba(255,255,255,.9);
}
.contact-details i {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
}
.contact-form {
  background: var(--white);
  padding: 48px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text);
  background: #FAFAFA;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(201,96,47,.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #aaa;
}
.form-group textarea { resize: vertical; min-height: 80px; }

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand h3 {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.6);
  max-width: 280px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul li {
  padding: 5px 0;
  font-size: 14px;
  color: rgba(255,255,255,.55);
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.35);
}

/* ===== 浮动CTA ===== */
.float-cta {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--dark);
  color: #fff;
  border: 1px solid rgba(255,255,255,.12);
  padding: 12px 24px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 10px 32px rgba(0,0,0,.3);
  z-index: 90;
  transition: transform .4s ease;
  white-space: nowrap;
  font-size: 14px;
}
.float-cta.visible { transform: translateX(-50%) translateY(0); }
.float-cta p { color: rgba(255,255,255,.9); }
.float-cta-close {
  color: rgba(255,255,255,.5);
  font-size: 16px;
  padding: 0 4px;
  margin-left: -4px;
}
.float-cta-close:hover { color: #fff; }

/* ===== 淡入动画 ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
  .hero h1 { font-size: 36px; }
  .hero-left { padding-right: 32px; }
  .hero-right { padding-left: 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px 0; }
  .stat-card:nth-child(2) { border-right: none; }
  .stat-card:nth-child(3), .stat-card:nth-child(4) { border-top: 1px solid var(--border); }
  .services-row-2 { grid-template-columns: 1fr 1fr; }
  .service-card.wide { grid-column: span 2; }
  .updates-layout { grid-template-columns: 1fr 240px; gap: 32px; }
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 991px) {
  .site-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav .nav-link { padding: 12px 0; font-size: 16px; }
  .nav-link.active::after { display: none; }
  .nav-toggle { display: flex; }
  .search-box { display: none; }
  .header-inner::after { display: none; }
  .hero-inner { flex-direction: column; }
  .hero-inner::after { display: none; }
  .hero-left, .hero-right { width: 100%; padding: 0; }
  .hero-left { margin-bottom: 40px; }
  .hero-visual { min-height: 320px; }
  .hero { padding: 110px 0 60px; }
  .compare-grid { grid-template-columns: 1fr; gap: 24px; }
  .compare-arrow { transform: rotate(90deg); margin: 0 auto; }
  .faq-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-card { grid-template-columns: 1fr; }
  .contact-info { padding: 36px; }
  .contact-form { padding: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .updates-layout { grid-template-columns: 1fr; }
  .updates-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
}

@media (max-width: 768px) {
  body { font-size: 15px; }
  .container { padding: 0 20px; }
  .hero { padding: 100px 0 48px; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .hero-visual { min-height: 240px; }
  .hero-flow-card { left: 16px; bottom: 16px; max-width: 220px; }
  .hero-flow-card img { width: 48px; height: 48px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); padding: 24px 16px; }
  .stat-card { padding: 12px 8px; }
  .stat-number { font-size: 30px; }
  .services-row-1, .services-row-2 { grid-template-columns: 1fr; }
  .service-card.wide { grid-column: span 1; }
  .services-section, .compare-section, .updates-section, .topics-section, .faq-section, .contact-section { padding: 64px 0; }
  .section-header h2 { font-size: 26px; }
  .compare-stats { grid-template-columns: 1fr; gap: 24px; }
  .posts-grid { grid-template-columns: 1fr; }
  .topics-card { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand p { max-width: none; }
  .float-cta { font-size: 13px; padding: 10px 18px; bottom: 12px; }
  .float-cta .btn { padding: 8px 16px; font-size: 13px; }
}

@media (max-width: 520px) {
  .header-inner { padding: 0 16px; }
  .header-right { padding-left: 8px; }
  .brand-text { font-size: 15px; }
  .hero-left { padding-right: 0; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .service-meta { flex-wrap: wrap; gap: 8px; }
  .updates-sidebar { grid-template-columns: 1fr; }
  .contact-info { padding: 28px; }
  .contact-form { padding: 28px; }
  .topics-card h3 { font-size: 18px; }
}

/* roulang page: article */
:root{
  --primary:#C9602F;
  --primary-dark:#B24E22;
  --primary-light:#F4E1D6;
  --accent:#E5B75B;
  --accent-soft:#F7EDD9;
  --secondary:#7F9B8C;
  --secondary-light:#E3ECE7;
  --bg:#F7F3ED;
  --card-bg:#FFFFFF;
  --dark:#20241F;
  --dark-2:#2A2F29;
  --text:#242A26;
  --text-weak:#6E6E6E;
  --border:#E8E1D8;
  --radius:14px;
  --radius-lg:24px;
  --radius-pill:999px;
  --shadow-1:0 4px 16px rgba(32,36,31,.06);
  --shadow-2:0 12px 32px rgba(32,36,31,.12);
  --container:1180px;
  --transition:.28s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:16px}
a:focus-visible,button:focus-visible{outline:3px solid rgba(201,96,47,.4);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
@media(max-width:768px){
  .container{padding:0 20px}
}

/* Header & Nav */
.site-header{position:fixed;top:0;left:0;width:100%;height:72px;z-index:100;background:rgba(247,243,237,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(32,36,31,.08);transition:background .3s,box-shadow .3s}
.site-header.scrolled{background:rgba(255,255,255,.96);box-shadow:0 4px 20px rgba(32,36,31,.08)}
.header-inner{max-width:var(--container);height:100%;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.header-left{display:flex;align-items:center;gap:36px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--dark);transition:opacity .2s}
.brand:hover{opacity:.85}
.brand-mark{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border-radius:10px;font-size:18px;font-weight:800;box-shadow:0 4px 10px rgba(201,96,47,.3)}
.site-nav{display:flex;gap:28px}
.nav-link{font-size:15px;font-weight:500;color:var(--text-weak);position:relative;padding:6px 2px;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-link:hover{color:var(--primary)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{transform:scaleX(1)}
.header-right{display:flex;align-items:center;gap:14px}
.search-box{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);padding:8px 16px;width:220px;transition:border .2s,box-shadow .2s}
.search-box i{color:var(--text-weak);font-size:14px}
.search-box input{border:none;outline:none;background:transparent;font-size:14px;width:100%}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(201,96,47,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-pill);font-weight:600;line-height:1;border:1px solid transparent;transition:all .25s}
.btn-primary{background:var(--primary);color:#fff;padding:14px 28px;box-shadow:0 6px 16px rgba(201,96,47,.25)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(201,96,47,.32)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);padding:14px 28px}
.btn-outline:hover{background:var(--primary-light);transform:translateY(-2px)}
.btn-outline:active{transform:scale(.98)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);padding:12px 22px;font-size:14px}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s,opacity .3s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Article Hero */
.article-hero{position:relative;padding:150px 0 64px;background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;overflow:hidden}
.article-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(247,243,237,.97) 20%,rgba(255,255,255,.88) 60%,rgba(231,183,91,.28) 100%)}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);margin-bottom:24px}
.breadcrumb a{color:var(--text-weak);transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb i{font-size:12px;color:var(--border)}
.article-hero h1{font-size:44px;line-height:1.3;font-weight:800;color:var(--dark);margin-bottom:16px;max-width:880px;overflow-wrap:break-word;word-break:break-word}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-size:14px;color:var(--text-weak);margin-bottom:28px}
.article-meta .meta-tag{background:var(--primary);color:#fff;font-size:12px;padding:5px 14px;border-radius:var(--radius-pill);font-weight:600}
.group-ticket{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;background:rgba(255,255,255,.72);border:1px solid rgba(229,183,91,.5);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-radius:var(--radius-lg);padding:20px 24px;max-width:680px}
.group-ticket-info{display:flex;flex-direction:column;gap:2px}
.group-badge{display:inline-flex;align-items:center;gap:6px;width:max-content;background:var(--accent);color:var(--dark);font-size:12px;font-weight:700;border-radius:var(--radius-pill);padding:4px 12px;margin-bottom:6px}
.group-ticket strong{font-size:18px;color:var(--dark)}
.group-ticket span{font-size:13px;color:var(--text-weak)}
.group-ticket-actions{display:flex;gap:12px}

/* Article Body */
.article-main{padding:64px 0 72px}
.article-column{max-width:760px;margin:0 auto}
.article-body{background:var(--card-bg);border-radius:var(--radius-lg);padding:48px;box-shadow:var(--shadow-1)}
.article-body h2{font-size:28px;font-weight:700;color:var(--dark);margin-top:40px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.article-body h3{font-size:20px;font-weight:600;color:var(--dark);margin-top:32px;margin-bottom:12px}
.article-body p{font-size:16px;line-height:2;color:var(--text);margin-bottom:20px}
.article-body img{border-radius:12px;margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-weak);text-align:center;margin-top:-16px;margin-bottom:24px}
.article-body blockquote{border-left:4px solid var(--primary);background:var(--bg);padding:20px 24px;border-radius:0 12px 12px 0;margin:24px 0;color:var(--text);font-size:15px}
.article-body ul,.article-body ol{margin:16px 0 24px;padding-left:24px}
.article-body li{margin-bottom:8px;line-height:1.9}
.article-body a{color:var(--primary);text-decoration:underline}

/* Group CTA */
.group-cta-section{padding:0 0 72px}
.group-cta-box{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;background:var(--dark);border-radius:var(--radius-lg);padding:32px 36px;color:#fff;box-shadow:var(--shadow-2)}
.group-cta-box h3{font-size:22px;font-weight:700}
.group-cta-box p{font-size:14px;color:rgba(255,255,255,.75);margin-top:4px}
.group-cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* Related */
.related-section{padding:72px 0;background:#F0EAE2;border-top:1px solid var(--border)}
.related-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.related-header h2{font-size:30px;font-weight:700;color:var(--dark)}
.related-header p{font-size:14px;color:var(--text-weak)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.article-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .28s,box-shadow .28s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.article-card .thumb{position:relative;display:block;height:0;padding-bottom:56.25%;overflow:hidden}
.article-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.article-card:hover .thumb img{transform:scale(1.03)}
.article-card .card-badge{position:absolute;top:14px;left:14px;background:var(--primary);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--radius-pill);z-index:2}
.article-card .card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.article-card h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-card h3 a{transition:color .2s}
.article-card h3 a:hover{color:var(--primary)}
.article-card p{font-size:14px;color:var(--text-weak);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{font-size:12px;color:var(--text-weak);display:flex;justify-content:space-between;margin-top:auto}
.card-link{margin-top:8px;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:gap .2s}
.card-link:hover{gap:10px}
.back-home{text-align:center;margin-top:40px}

/* Contact CTA */
.cta-contact{padding:72px 0}
.cta-card{display:grid;grid-template-columns:1fr 1.2fr;border-radius:var(--radius-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow-2)}
.cta-info{background:var(--primary);color:#fff;padding:44px;display:flex;flex-direction:column;justify-content:center}
.cta-kicker{display:inline-flex;align-items:center;width:max-content;gap:6px;background:rgba(255,255,255,.18);color:#fff;font-size:12px;font-weight:700;border-radius:var(--radius-pill);padding:4px 14px;margin-bottom:14px}
.cta-info h2{font-size:28px;font-weight:700;margin-bottom:12px;line-height:1.4}
.cta-info p{font-size:15px;opacity:.9;margin-bottom:8px}
.cta-info .hotline{font-size:22px;font-weight:700;margin-top:12px;margin-bottom:4px}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:44px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;border:1px solid var(--border);border-radius:10px;padding:14px 16px;background:#FAFAFA;color:var(--text);transition:border .2s,box-shadow .2s,background .2s}
.contact-form .full{grid-column:1/-1}
.contact-form textarea{min-height:110px;resize:vertical}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(201,96,47,.12);background:#fff}
.form-tip{font-size:13px;color:var(--secondary)}

/* Footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.75);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand h3{color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand p{line-height:1.8;max-width:340px}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{padding:24px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}

/* Not Found */
.not-found{padding:220px 24px 140px;text-align:center}
.not-found .icon{font-size:64px;color:var(--primary);margin-bottom:16px}
.not-found h1{font-size:32px;color:var(--dark);margin-bottom:10px}
.not-found p{color:var(--text-weak);margin-bottom:24px;font-size:15px}

/* Reveal */
[data-reveal].reveal-init{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
[data-reveal].reveal-init.visible{opacity:1;transform:none}

/* Responsive */
@media(max-width:1199px){
  .article-hero h1{font-size:38px}
  .related-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:991px){
  .search-box{display:none}
  .site-nav{position:fixed;top:72px;left:0;width:100%;background:rgba(255,255,255,.98);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);flex-direction:column;align-items:stretch;gap:0;padding:16px 24px;border-bottom:1px solid var(--border);box-shadow:var(--shadow-2);transform:translateY(-110%);visibility:hidden;transition:transform .3s,visibility .3s}
  .site-nav.open{transform:translateY(0);visibility:visible}
  .site-nav .nav-link{padding:14px 0;border-bottom:1px solid var(--border);font-size:16px}
  .nav-toggle{display:flex}
  .article-hero h1{font-size:34px}
  .cta-card{grid-template-columns:1fr}
  .cta-info{padding:34px}
}
@media(max-width:768px){
  .header-inner{padding:0 16px;gap:12px}
  .article-hero{padding:130px 0 48px}
  .article-hero h1{font-size:28px}
  .article-main{padding:48px 0 56px}
  .article-body{padding:28px}
  .article-body h2{font-size:22px}
  .article-body p{font-size:15px}
  .group-ticket{flex-direction:column;align-items:flex-start}
  .group-ticket-actions{width:100%}
  .group-ticket-actions .btn{flex:1}
  .group-cta-box{flex-direction:column;align-items:flex-start;padding:28px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .contact-form{grid-template-columns:1fr;padding:28px}
  .cta-info{padding:28px}
  .cta-info h2{font-size:24px}
}
@media(max-width:520px){
  .brand-text{font-size:18px}
  .brand-mark{width:32px;height:32px;font-size:16px}
  .header-right .btn-sm{padding:9px 14px;font-size:13px}
  .article-hero h1{font-size:25px}
  .article-body{padding:20px 16px}
  .group-ticket-actions{flex-direction:column}
  .related-grid{grid-template-columns:1fr}
  .cta-card .cta-info,.cta-card .contact-form{padding:24px 20px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  [data-reveal].reveal-init{opacity:1;transform:none;transition:none}
}