/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #0E6B6B;
  --primary-dark: #0A5353;
  --carmel: #C97A4A;
  --carmel-light: rgba(201, 122, 74, 0.10);
  --bg: #F7F5F1;
  --dark: #10221F;
  --card: #FFFFFF;
  --border: #E7E1D8;
  --text: #1E2B2E;
  --text-secondary: #5D6B6E;
  --success: #3C7A5B;
  --warn: #B4543B;
  --radius-card: 12px;
  --radius-large: 24px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 16px rgba(23, 40, 35, 0.06);
  --shadow-hover: 0 14px 30px rgba(23, 40, 35, 0.12);
  --shadow-nav: 0 8px 24px rgba(23, 40, 35, 0.08);
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', system-ui, sans-serif;
  --container: 1200px;
  --gap: 24px;
  --section-pad: 110px;
}

/* ========== 基础 Reset ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(30, 43, 46, 0.035) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
  z-index: 0;
}
img {
  max-width: 100%;
  display: block;
  background: #EAE5DE;
  border-radius: var(--radius-card);
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}
button {
  font-family: var(--font-main);
  cursor: pointer;
  border: none;
  background: none;
}
input, textarea {
  font-family: var(--font-main);
  font-size: 15px;
  color: var(--text);
}
ul, ol {
  list-style: none;
}
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ========== 容器 ========== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
  position: relative;
  z-index: 1;
}

/* ========== 浮动 Dock 导航 ========== */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 1000;
  padding: 0 24px;
}
.dock-nav {
  max-width: 1080px;
  height: 64px;
  margin: 0 auto;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px 0 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(14, 107, 107, 0.3);
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0;
}
.logo-text em {
  font-style: normal;
  color: var(--primary);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-item {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border: 1px solid transparent;
  transition: all 0.25s ease;
}
.nav-item:hover {
  color: var(--primary);
  background: rgba(14, 107, 107, 0.06);
  text-decoration: none;
}
.nav-item.active {
  color: var(--primary);
  background: rgba(14, 107, 107, 0.10);
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.25s ease;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
}
.search-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(14, 107, 107, 0.06);
}
.search-btn svg {
  width: 18px;
  height: 18px;
}
.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 22px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--primary);
  transition: all 0.25s ease;
}
.btn-login:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}
.btn-login:active {
  transform: translateY(1px);
}
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== Hero 首屏 ========== */
.hero {
  position: relative;
  padding: 96px 0 88px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(14, 107, 107, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 107, 107, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  width: 560px;
  height: 560px;
  right: -160px;
  top: -140px;
  border-radius: 50%;
  border: 2px solid rgba(14, 107, 107, 0.10);
  box-shadow: 0 0 0 40px rgba(14, 107, 107, 0.03), 0 0 0 80px rgba(14, 107, 107, 0.02);
  pointer-events: none;
  z-index: 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 6fr 5fr;
  gap: 48px;
  align-items: center;
}
.hero-content {
  position: relative;
  z-index: 1;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--carmel-light);
  border: 1px solid rgba(201, 122, 74, 0.30);
  color: var(--carmel);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  transform: rotate(-1deg);
}
.hero-tag::before {
  content: '◆';
  font-size: 10px;
}
.hero h1 {
  font-size: 44px;
  line-height: 1.28;
  font-weight: 700;
  margin: 24px 0 18px;
  letter-spacing: 0;
  color: var(--text);
}
.hero h1 span {
  color: var(--primary);
  position: relative;
}
.hero-subtitle {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 460px;
  margin-bottom: 32px;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s ease;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(14, 107, 107, 0.25);
}
.btn-primary:active {
  transform: translateY(1px);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-outline:hover {
  background: rgba(14, 107, 107, 0.08);
  color: var(--primary-dark);
  text-decoration: none;
  transform: translateY(-1px);
}
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  color: var(--text-secondary);
}
.trust-row span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.trust-row span::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
}

/* 登录面板卡片 */
.hero-panel {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}
.login-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border-radius: var(--radius-large);
  padding: 34px 32px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-hover);
  overflow: hidden;
}
.login-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity: 0.05;
  pointer-events: none;
}
.login-card-head {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  position: relative;
}
.online-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(60, 122, 91, 0.18);
}
.login-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  position: relative;
}
.login-card h3::after {
  content: '';
  display: block;
  width: 42px;
  height: 3px;
  border-radius: 3px;
  background: var(--carmel);
  margin-top: 8px;
}
.form-group {
  margin-bottom: 16px;
  position: relative;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0 16px;
  background: #FAF9F6;
  transition: all 0.25s ease;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(14, 107, 107, 0.25);
}
.form-group textarea {
  height: auto;
  min-height: 110px;
  padding: 14px 16px;
  resize: vertical;
}
.btn-login-full {
  width: 100%;
  height: 48px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  margin-top: 6px;
}
.btn-login-full:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(14, 107, 107, 0.28);
}
.btn-login-full:active {
  transform: translateY(1px);
}
.login-links {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  font-size: 13px;
  position: relative;
}
.login-links a {
  color: var(--text-secondary);
}
.login-links a:hover {
  color: var(--primary);
}

/* ========== 通用 Section ========== */
.section {
  padding: var(--section-pad) 0;
  position: relative;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: 4px;
  background: var(--carmel-light);
  border: 1px solid rgba(201, 122, 74, 0.35);
  color: var(--carmel);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  transform: rotate(-1deg);
  margin-bottom: 18px;
}
.section-label::before {
  content: '✦';
  font-size: 12px;
}
.section-title {
  font-size: 32px;
  line-height: 1.32;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.75;
}
.section-head {
  margin-bottom: 48px;
}

/* ========== 服务区块 ========== */
.services {
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.service-block {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: 48px;
  align-items: start;
}
.service-left {
  position: sticky;
  top: 100px;
}
.service-left .btn {
  margin-top: 24px;
}
.service-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
}
.service-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 30px 26px 26px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  overflow: hidden;
  min-height: 220px;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(14, 107, 107, 0.30);
}
.card-num {
  position: absolute;
  right: 18px;
  top: 8px;
  font-size: 56px;
  font-weight: 700;
  color: rgba(14, 107, 107, 0.07);
  line-height: 1;
  letter-spacing: -2px;
}
.service-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(14, 107, 107, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 18px;
}
.service-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.service-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  flex: 1;
}
.service-card .card-link {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.service-card .card-link:hover {
  color: var(--primary-dark);
}
.service-card .card-link::after {
  content: ' →';
  transition: transform 0.25s ease;
  display: inline-block;
}
.service-card .card-link:hover::after {
  transform: translateX(4px);
}

/* ========== 优势数据区 ========== */
.stats {
  background: var(--dark);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.stats::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.10);
  right: -80px;
  bottom: -100px;
  box-shadow: 0 0 0 30px rgba(255, 255, 255, 0.02);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
}
.stat-item {
  text-align: center;
  padding: 20px 10px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.stat-item:last-child {
  border-right: none;
}
.stat-num {
  font-size: 52px;
  font-weight: 700;
  color: var(--carmel);
  line-height: 1.2;
  letter-spacing: -1px;
}
.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 8px;
}

/* ========== 案例区块 ========== */
.cases {
  background: var(--bg);
}
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.case-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.case-cover {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  border-radius: 0;
}
.case-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform 0.45s ease;
}
.case-card:hover .case-cover img {
  transform: scale(1.03);
}
.case-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--carmel-light);
  border: 1px solid rgba(201, 122, 74, 0.30);
  color: var(--carmel);
  font-size: 12px;
  font-weight: 600;
  margin: 18px 20px 0;
  transform: rotate(-1deg);
}
.case-body {
  padding: 16px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.case-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.case-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 14px;
}
.case-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: #8a9799;
  border-top: 1px dashed var(--border);
  padding-top: 12px;
}
.case-meta a {
  color: var(--primary);
  font-weight: 600;
}
.case-meta a:hover {
  color: var(--primary-dark);
}

/* ========== 最新资讯列表 ========== */
.news {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 920px;
  margin: 0 auto;
}
.news-item {
  display: flex;
  gap: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}
.news-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.news-thumb {
  flex-shrink: 0;
  width: 120px;
  height: 84px;
  border-radius: 8px;
  overflow: hidden;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}
.news-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.news-content .tag {
  display: inline-block;
  align-self: flex-start;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: var(--carmel-light);
  color: var(--carmel);
  border: 1px solid rgba(201, 122, 74, 0.25);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 6px;
}
.news-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-content h3 a {
  color: inherit;
}
.news-content h3 a:hover {
  color: var(--primary);
}
.news-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: #8a9799;
}
.news-meta a {
  color: var(--primary);
  font-weight: 600;
}

/* 空态 */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius-card);
}
.empty-icon {
  font-size: 36px;
  display: block;
  margin-bottom: 10px;
}
.empty-state p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* ========== 方案区块 ========== */
.solutions {
  background: var(--bg);
}
.solutions-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.solution-card {
  display: grid;
  grid-template-columns: 5fr 7fr;
  border-radius: var(--radius-large);
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}
.solution-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.solution-card.dark {
  background: var(--dark);
  border-color: rgba(255, 255, 255, 0.08);
}
.solution-card.dark:hover {
  box-shadow: 0 20px 40px rgba(16, 34, 31, 0.30);
}
.solution-media {
  position: relative;
  overflow: hidden;
  min-height: 260px;
}
.solution-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}
.solution-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16, 34, 31, 0.15), transparent 60%);
}
.solution-body {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.solution-body .tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: var(--carmel-light);
  color: var(--carmel);
  border: 1px solid rgba(201, 122, 74, 0.30);
  font-size: 12px;
  font-weight: 600;
  align-self: flex-start;
  margin-bottom: 16px;
  transform: rotate(-1deg);
}
.solution-body h3 {
  font-size: 25px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.solution-card.dark .solution-body h3 {
  color: #fff;
}
.solution-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}
.solution-card.dark .solution-body p {
  color: rgba(255, 255, 255, 0.70);
}
.solution-list {
  margin-bottom: 22px;
}
.solution-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 8px;
}
.solution-card.dark .solution-list li {
  color: rgba(255, 255, 255, 0.85);
}
.solution-list li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}
.solution-card.dark .solution-list li::before {
  color: var(--carmel);
}
.solution-body .btn {
  align-self: flex-start;
  height: 42px;
  padding: 0 24px;
  font-size: 14px;
}

/* ========== FAQ ========== */
.faq {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.faq-wrap {
  max-width: 840px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(14, 107, 107, 0.30);
}
.faq-item.open {
  border-color: var(--primary);
  box-shadow: var(--shadow-card);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: all 0.25s ease;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 300;
  color: var(--text-secondary);
  transition: all 0.35s ease;
  line-height: 1;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--primary);
  color: var(--primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 22px 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
  border-top: 1px dashed var(--border);
  margin: 0 22px 0 22px;
  padding: 16px 0 22px;
}
.faq-item.open .faq-answer {
  max-height: 500px;
}

/* ========== 联系 / CTA ========== */
.contact {
  background: var(--dark);
  color: #fff;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}
.contact-info h2 {
  font-size: 32px;
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 16px;
}
.contact-info > p {
  color: rgba(255, 255, 255, 0.70);
  margin-bottom: 32px;
  font-size: 15px;
}
.contact-list {
  margin-bottom: 24px;
}
.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
}
.contact-list .icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 8px;
  background: rgba(14, 107, 107, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: #fff;
}
.contact-list .info h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
  color: rgba(255, 255, 255, 0.55);
}
.contact-list .info p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.90);
}
.contact-form-card {
  background: var(--card);
  border-radius: var(--radius-large);
  padding: 32px;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.20);
}
.contact-form-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}
.contact-form-card .sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 22px;
}
.contact-form-card .btn-submit {
  width: 100%;
  height: 48px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}
.contact-form-card .btn-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(14, 107, 107, 0.30);
}
.contact-form-card .btn-submit:active {
  transform: translateY(1px);
}

/* 底部CTA横幅 */
.cta-banner {
  position: relative;
  z-index: 1;
  margin-top: 56px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-large);
  padding: 28px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.cta-banner p {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
}
.cta-banner p small {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.60);
  margin-top: 2px;
}
.cta-banner a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--carmel);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s ease;
}
.cta-banner a:hover {
  background: #B56A3F;
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

/* ========== 页脚 ========== */
.footer {
  background: #0D1B18;
  color: rgba(255, 255, 255, 0.72);
  padding: 70px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 4fr 2fr 3fr 3fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .logo-mark {
  background: var(--primary);
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}
.footer-col p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--carmel);
  border-radius: 2px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  transition: all 0.25s ease;
}
.footer-col ul a:hover {
  color: var(--carmel);
  text-decoration: none;
  padding-left: 4px;
}
.footer-col .contact-footer li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
  margin-bottom: 12px;
}
.footer-col .contact-footer li span:first-child {
  color: var(--carmel);
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.40);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a:hover {
  color: var(--carmel);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  :root {
    --section-pad: 80px;
  }
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .hero h1 {
    font-size: 36px;
  }
  .service-block {
    grid-template-columns: 1fr;
  }
  .service-left {
    position: static;
  }
  .service-cards {
    grid-template-columns: 1fr 1fr;
  }
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .solution-card {
    grid-template-columns: 1fr;
  }
  .solution-media {
    min-height: 220px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 2fr 1fr 2fr;
  }
  .footer-col:first-child {
    grid-column: 1 / -1;
  }
}
@media (max-width: 768px) {
  :root {
    --section-pad: 64px;
  }
  body {
    font-size: 15px;
  }
  .site-header {
    top: 12px;
    padding: 0 16px;
  }
  .dock-nav {
    height: 58px;
    padding: 0 12px 0 16px;
    border-radius: 18px;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(14px);
    border-radius: 18px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-hover);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 6px;
  }
  .main-nav.open {
    display: flex;
  }
  .nav-item {
    padding: 12px 16px;
    border-radius: 10px;
  }
  .nav-actions .btn-login {
    display: none;
  }
  .nav-actions .search-btn {
    display: flex;
  }
  .menu-toggle {
    display: flex;
  }
  .hero {
    padding: 64px 0 64px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-panel {
    margin-top: 32px;
  }
  .hero h1 {
    font-size: 30px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .stat-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding-bottom: 24px;
  }
  .stat-num {
    font-size: 42px;
  }
  .cases-grid {
    grid-template-columns: 1fr;
  }
  .service-cards {
    grid-template-columns: 1fr;
  }
  .news-item {
    flex-direction: column;
  }
  .news-thumb {
    width: 100%;
    height: 140px;
  }
  .news-thumb img {
    height: 140px;
  }
  .section-title {
    font-size: 26px;
  }
  .faq-question {
    font-size: 15px;
    padding: 16px;
  }
  .cta-banner {
    padding: 22px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-col:first-child {
    grid-column: 1 / -1;
  }
}
@media (max-width: 520px) {
  .dock-nav {
    padding: 0 8px 0 12px;
  }
  .logo-text {
    font-size: 17px;
  }
  .logo-mark {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }
  .hero-btns .btn {
    width: 100%;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .stat-num {
    font-size: 36px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .contact-form-card {
    padding: 24px 18px;
  }
  .solution-body {
    padding: 28px 20px;
  }
  .solution-body h3 {
    font-size: 21px;
  }
  .login-card {
    padding: 26px 20px 22px;
  }
  .case-body {
    padding: 14px 16px 16px;
  }
}

/* roulang page: article */
:root {
  --primary: #0E6B6B;
  --primary-dark: #0A5353;
  --caramel: #C97A4A;
  --bg: #F7F5F1;
  --dark: #10221F;
  --card: #FFFFFF;
  --border: #E7E1D8;
  --text: #1E2B2E;
  --text-light: #5D6B6E;
  --success: #3C7A5B;
  --radius: 12px;
  --radius-lg: 24px;
  --shadow: 0 4px 16px rgba(23,40,35,0.06);
  --shadow-hover: 0 14px 30px rgba(23,40,35,0.12);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.78; font-size: 16px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: var(--primary); transition: color .2s ease; }
a:hover { color: var(--primary-dark); text-decoration: underline; text-underline-offset: 3px; }
button, input, textarea { font-family: var(--font); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========== 导航 ========== */
.site-header { padding-top: 16px; position: sticky; top: 0; z-index: 100; }
.main-nav { display: flex; align-items: center; justify-content: space-between; max-width: 1080px; margin: 0 auto; height: 64px; background: rgba(255,255,255,0.88); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-radius: 999px; padding: 0 28px; box-shadow: 0 8px 24px rgba(23,40,35,0.08); border: 1px solid rgba(231,225,216,0.7); }
.nav-brand { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.logo-mark { width: 36px; height: 36px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 17px; }
.logo-text { font-size: 18px; font-weight: 700; color: var(--text); letter-spacing: .03em; }
.nav-links { display: flex; gap: 4px; list-style: none; }
.nav-item { display: block; padding: 8px 18px; border-radius: 999px; font-size: 14px; color: var(--text); font-weight: 500; transition: all .2s ease; }
.nav-item:hover { color: var(--primary); background: rgba(14,107,107,0.08); text-decoration: none; }
.nav-item.active { color: var(--primary); background: rgba(14,107,107,0.12); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.search-toggle { background: transparent; border: none; font-size: 18px; cursor: pointer; color: var(--text); width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: background .2s ease; }
.search-toggle:hover { background: rgba(14,107,107,0.1); color: var(--primary); }
.nav-btn { display: inline-flex; align-items: center; gap: 6px; background: var(--primary); color: #fff !important; border-radius: 999px; padding: 9px 20px; font-size: 14px; font-weight: 600; transition: all .2s ease; border: none; cursor: pointer; }
.nav-btn:hover { background: var(--primary-dark); transform: translateY(-1px); text-decoration: none; box-shadow: 0 6px 16px rgba(14,107,107,0.3); }
.mobile-toggle { display: none; background: transparent; border: none; cursor: pointer; width: 40px; height: 40px; border-radius: 8px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.mobile-toggle span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: all .25s ease; }
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端导航菜单 */
.mobile-menu { display: none; position: fixed; top: 80px; left: 16px; right: 16px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); padding: 16px; z-index: 99; border: 1px solid var(--border); }
.mobile-menu.show { display: block; }
.mobile-menu a { display: block; padding: 12px 16px; border-radius: 10px; color: var(--text); font-size: 15px; font-weight: 500; margin-bottom: 4px; }
.mobile-menu a:hover { background: rgba(14,107,107,0.08); color: var(--primary); text-decoration: none; }
.mobile-menu a.active { background: rgba(14,107,107,0.12); color: var(--primary); font-weight: 600; }
.mobile-menu .nav-btn { margin-top: 8px; width: 100%; justify-content: center; text-align: center; }

/* ========== 文章页样式 ========== */
.page-breadcrumb { padding: 40px 0 8px; font-size: 14px; color: var(--text-light); }
.page-breadcrumb a { color: var(--text-light); }
.page-breadcrumb a:hover { color: var(--primary); }
.page-breadcrumb .separator { margin: 0 8px; color: var(--border); }
.article-hero { padding: 24px 0 40px; }
.article-hero .article-meta { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 20px; font-size: 14px; color: var(--text-light); }
.article-hero .article-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article-hero .article-meta .tag-pill { background: rgba(201,122,74,0.12); color: var(--caramel); padding: 4px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.article-title { font-size: 40px; line-height: 1.3; font-weight: 700; color: var(--text); max-width: 900px; margin: 16px 0 8px; }
.article-excerpt { font-size: 17px; color: var(--text-light); line-height: 1.8; max-width: 860px; margin-top: 12px; background: rgba(231,225,216,0.25); padding: 18px 24px; border-radius: var(--radius); border-left: 4px solid var(--caramel); }
.article-cover { border-radius: var(--radius-lg); overflow: hidden; margin: 24px 0 48px; position: relative; aspect-ratio: 21/9; background: #e0ddd6; }
.article-cover img { width: 100%; height: 100%; object-fit: cover; }
.cover-placeholder { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(14,107,107,0.08), rgba(201,122,74,0.08)); color: var(--text-light); font-size: 14px; }
.article-main { max-width: 780px; margin: 0 auto; padding-bottom: 60px; }
.article-content { font-size: 16px; line-height: 1.9; color: #2E3B3E; }
.article-content h2 { font-size: 26px; margin: 40px 0 16px; color: var(--text); font-weight: 700; line-height: 1.35; }
.article-content h3 { font-size: 21px; margin: 32px 0 12px; color: var(--text); font-weight: 700; }
.article-content p { margin-bottom: 18px; }
.article-content ul, .article-content ol { margin: 0 0 18px 22px; }
.article-content li { margin-bottom: 8px; }
.article-content img { border-radius: var(--radius); margin: 24px 0; }
.article-content blockquote { border-left: 4px solid var(--caramel); background: rgba(201,122,74,0.08); padding: 16px 20px; margin: 24px 0; border-radius: 0 var(--radius) var(--radius) 0; color: var(--text-light); }
.article-content blockquote p { margin-bottom: 0; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--primary-dark); }
.article-content code { background: rgba(14,107,107,0.08); padding: 2px 8px; border-radius: 6px; font-size: 14px; color: var(--primary-dark); }
.article-content pre { background: var(--dark); color: #E8E0D8; padding: 20px 24px; border-radius: var(--radius); overflow-x: auto; margin: 24px 0; font-size: 14px; line-height: 1.7; }
.article-content pre code { background: transparent; color: inherit; padding: 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.article-content table th, .article-content table td { border: 1px solid var(--border); padding: 12px 16px; text-align: left; }
.article-content table th { background: rgba(231,225,216,0.3); font-weight: 600; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 48px 0 32px; padding-top: 32px; border-top: 1px solid var(--border); }
.article-tag { display: inline-block; background: rgba(14,107,107,0.08); color: var(--primary); padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; transition: all .2s ease; }
.article-tag:hover { background: var(--primary); color: #fff; text-decoration: none; }
.article-pagination { display: flex; gap: 16px; margin-bottom: 64px; }
.pagination-btn { flex: 1; display: block; padding: 16px 20px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); transition: all .2s ease; }
.pagination-btn:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-2px); text-decoration: none; }
.pagination-btn .p-label { font-size: 13px; color: var(--text-light); display: block; margin-bottom: 4px; }
.pagination-btn .p-title { font-size: 15px; font-weight: 600; color: var(--text); line-height: 1.4; }
.pagination-btn.disabled { opacity: .4; pointer-events: none; }

/* 相关推荐 */
.related-section { padding: 60px 0 90px; background: var(--card); border-top: 1px solid var(--border); }
.related-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; }
.related-head h2 { font-size: 28px; font-weight: 700; }
.related-head .section-tag { font-size: 13px; color: var(--caramel); font-weight: 600; letter-spacing: .05em; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: var(--card); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: all .25s ease; display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card .card-cover { aspect-ratio: 16/10; overflow: hidden; position: relative; background: #E0DDD6; }
.related-card .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .card-cover img { transform: scale(1.03); }
.related-card .card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.related-card .card-tag { display: inline-block; background: rgba(201,122,74,0.1); color: var(--caramel); font-size: 12px; font-weight: 600; padding: 3px 12px; border-radius: 999px; margin-bottom: 10px; width: fit-content; }
.related-card .card-title { font-size: 17px; font-weight: 600; line-height: 1.5; margin-bottom: 8px; }
.related-card .card-title a { color: var(--text); }
.related-card .card-title a:hover { color: var(--primary); }
.related-card .card-excerpt { font-size: 14px; 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; }
.related-card .card-link { font-size: 14px; font-weight: 600; color: var(--primary); }
.related-empty { text-align: center; padding: 48px 24px; grid-column: 1 / -1; }
.related-empty .empty-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: #fff; border-radius: 999px; padding: 10px 28px; font-weight: 600; transition: all .2s ease; }
.related-empty .empty-btn:hover { background: var(--primary-dark); text-decoration: none; transform: translateY(-2px); }

/* ========== CTA 区域 ========== */
.article-cta { padding: 70px 0; background: var(--dark); position: relative; overflow: hidden; }
.article-cta::before { content: ''; position: absolute; top: -50px; right: -50px; width: 200px; height: 200px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.1); }
.article-cta::after { content: ''; position: absolute; bottom: -80px; left: 20%; width: 260px; height: 260px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.06); }
.cta-inner { position: relative; z-index: 1; text-align: center; max-width: 700px; margin: 0 auto; }
.cta-inner h2 { color: #fff; font-size: 32px; margin-bottom: 14px; font-weight: 700; }
.cta-inner p { color: rgba(255,255,255,0.7); font-size: 15px; margin-bottom: 28px; }
.cta-btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--caramel); color: #fff; border-radius: 999px; padding: 12px 32px; font-weight: 600; transition: all .25s ease; border: none; cursor: pointer; font-size: 15px; }
.cta-btn:hover { background: #B06A3D; transform: translateY(-2px); text-decoration: none; box-shadow: 0 8px 20px rgba(201,122,74,0.3); }
.cta-btn-outline { background: transparent; border: 1.5px solid rgba(255,255,255,0.4); color: #fff; }
.cta-btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

/* ========== 页脚 ========== */
.footer { background: var(--dark); color: rgba(255,255,255,0.65); padding: 64px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .logo-mark { background: var(--caramel); width: 34px; height: 34px; font-size: 15px; }
.footer-brand .logo-text { color: #fff; font-size: 18px; font-weight: 700; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: rgba(255,255,255,0.65); transition: color .2s ease; }
.footer-col a:hover { color: var(--caramel); text-decoration: none; }
.contact-footer li { display: flex; align-items: flex-start; gap: 10px; line-height: 1.6; }
.contact-footer span { color: var(--caramel); flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 10px; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .nav-links { gap: 0; }
  .nav-item { padding: 8px 12px; font-size: 13px; }
  .main-nav { padding: 0 20px; gap: 10px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .main-nav { justify-content: space-between; }
  .nav-links { display: none; }
  .mobile-toggle { display: flex; }
  .nav-btn { display: none; }
  .site-header { top: 10px; }
  .article-title { font-size: 30px; }
  .article-excerpt { font-size: 15px; padding: 14px 18px; }
  .article-cover { aspect-ratio: 16/10; }
  .article-pagination { flex-direction: column; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 22px; }
  .article-content h3 { font-size: 18px; }
  .cta-inner h2 { font-size: 26px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .site-header { padding-top: 10px; }
  .main-nav { height: 56px; padding: 0 14px; }
  .logo-text { font-size: 16px; }
  .logo-mark { width: 30px; height: 30px; font-size: 14px; }
  .page-breadcrumb { font-size: 12px; }
  .article-title { font-size: 26px; }
  .article-hero .article-meta { gap: 10px; font-size: 13px; flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .related-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .cta-btn-group { flex-direction: column; width: 100%; }
  .cta-btn { justify-content: center; width: 100%; }
}
@media (max-width: 480px) {
  .related-grid { grid-template-columns: 1fr; }
  .pagination-btn { padding: 14px 16px; }
  .article-tags { gap: 8px; }
}

/* roulang page: category2 */
:root {
            --primary: #0E6B6B;
            --primary-dark: #0A5353;
            --accent: #C97A4A;
            --bg: #F7F5F1;
            --dark-bg: #10221F;
            --card-bg: #FFFFFF;
            --border: #E7E1D8;
            --text-main: #1E2B2E;
            --text-sub: #5D6B6E;
            --status-green: #3C7A5B;
            --warning: #B4543B;
            --radius-card: 12px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 16px rgba(23, 40, 35, 0.06);
            --shadow-hover: 0 14px 30px rgba(23, 40, 35, 0.12);
            --shadow-nav: 0 8px 24px rgba(23, 40, 35, 0.08);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', system-ui, sans-serif;
            --container-max: 1200px;
            --spacing-section-desktop: 110px;
            --spacing-section-mobile: 64px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.78;
            color: var(--text-main);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover {
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 16px;
        }

        ul {
            list-style: none;
        }

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

        ::selection {
            background: rgba(14, 107, 107, 0.2);
            color: var(--text-main);
        }

        /* 顶部栏预留 */
        .top-bar {
            position: relative;
            z-index: 100;
            height: 16px;
        }

        /* ========== 导航 Dock ========== */
        .nav-wrapper {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            margin-top: -16px;
            pointer-events: none;
        }

        .nav-dock {
            max-width: 1080px;
            margin: 0 auto;
            height: 64px;
            background: rgba(255, 255, 255, 0.88);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(231, 225, 216, 0.9);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px 0 24px;
            position: relative;
            transition: box-shadow 0.3s ease;
        }

        .nav-dock:hover {
            box-shadow: 0 12px 32px rgba(23, 40, 35, 0.12);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(14, 107, 107, 0.3);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 auto;
            padding: 0 12px;
        }

        .nav-item {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
        }

        .nav-item:hover {
            color: var(--primary);
            background: rgba(14, 107, 107, 0.06);
            text-decoration: none;
        }

        .nav-item.active {
            color: var(--primary);
            background: rgba(14, 107, 107, 0.1);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .nav-search-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-pill);
            background: rgba(14, 107, 107, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all 0.2s ease;
        }

        .nav-search-btn:hover {
            background: rgba(14, 107, 107, 0.16);
        }

        .btn-login-nav {
            padding: 10px 26px;
            border-radius: var(--radius-pill);
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .btn-login-nav:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(14, 107, 107, 0.3);
            text-decoration: none;
        }

        .btn-login-nav:active {
            transform: translateY(0);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(14, 107, 107, 0.08);
            color: var(--primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
        }

        /* ========== 按钮通用 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 600;
            transition: all 0.25s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(14, 107, 107, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(10, 83, 83, 0.35);
            text-decoration: none;
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(10, 83, 83, 0.3);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(14, 107, 107, 0.1);
            text-decoration: none;
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: #b06a3d;
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 17px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        /* ========== 标签 ========== */
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            background: rgba(201, 122, 74, 0.12);
            color: var(--accent);
            transition: all 0.2s ease;
            border: 1px solid rgba(201, 122, 74, 0.15);
        }

        .tag:hover {
            box-shadow: 0 0 0 3px rgba(201, 122, 74, 0.1);
        }

        /* ========== 分类页2主视觉：大横幅封面 ========== */
        .c2-banner {
            position: relative;
            padding: 60px 0 80px;
            background: linear-gradient(135deg, var(--dark-bg) 0%, #17352f 60%, #1c4038 100%);
            overflow: hidden;
            border-radius: 0 0 24px 24px;
        }

        .c2-banner::before {
            content: "";
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .c2-banner::after {
            content: "";
            position: absolute;
            top: -30%;
            right: 5%;
            width: 350px;
            height: 350px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .c2-banner-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .c2-banner-text {
            flex: 1 1 50%;
        }

        .c2-banner-image {
            flex: 1 1 50%;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.12);
            position: relative;
        }

        .c2-banner-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .c2-banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 24px;
            letter-spacing: 0.3px;
        }

        .c2-banner h1 {
            color: #fff;
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .c2-banner p.lead {
            color: rgba(255, 255, 255, 0.82);
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 480px;
        }

        .c2-banner-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .c2-banner-stats {
            display: flex;
            gap: 36px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .c2-banner-stats .stat-item {
            text-align: left;
        }

        .c2-banner-stats .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            display: block;
        }

        .c2-banner-stats .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== 区块基础 ========== */
        .section {
            padding: var(--spacing-section-desktop) 0;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-header .tag {
            margin-bottom: 16px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 12px;
        }

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

        /* ========== 安全能力卡片网格 ========== */
        .c2-features {
            background: var(--bg);
            padding: var(--spacing-section-desktop) 0;
        }

        .c2-features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .c2-feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .c2-feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .c2-feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: rgba(14, 107, 107, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }

        .c2-feature-card:hover .c2-feature-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(-6deg) scale(1.05);
        }

        .c2-feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .c2-feature-card p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .c2-feature-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease;
            padding: 0;
            background: none;
        }

        .c2-feature-link:hover {
            gap: 10px;
            text-decoration: none;
            color: var(--primary-dark);
        }

        /* ========== 安全验证流程 ========== */
        .c2-process {
            background: #fff;
            padding: var(--spacing-section-desktop) 0;
            border-top: 1px solid var(--border);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-grid::before {
            content: "";
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(to right, var(--primary), rgba(14, 107, 107, 0.2));
            border-radius: 1px;
        }

        .process-step {
            text-align: center;
            padding: 0 12px;
            position: relative;
        }

        .process-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 0 0 6px rgba(14, 107, 107, 0.12);
            position: relative;
            z-index: 2;
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* ========== 深色信任区块 ========== */
        .c2-trust {
            background: var(--dark-bg);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .c2-trust::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(14, 107, 107, 0.15) 0%, transparent 70%);
        }

        .c2-trust-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .c2-trust-left {
            color: #fff;
            padding: 40px 0;
        }

        .c2-trust-left h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #fff;
        }

        .c2-trust-left p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .c2-trust-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .highlight-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
        }

        .highlight-item .icon-check {
            color: var(--accent);
            font-weight: 700;
            font-size: 16px;
        }

        .c2-trust-right {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .trust-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: background 0.3s ease;
        }

        .trust-card:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .trust-card .num {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            display: block;
            margin-bottom: 6px;
        }

        .trust-card .label {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            line-height: 1.6;
        }

        /* ========== 场景应用区 ========== */
        .c2-scenarios {
            padding: var(--spacing-section-desktop) 0;
            background: var(--bg);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .scenario-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .scenario-card:hover .scenario-img img {
            transform: scale(1.03);
        }

        .scenario-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(16, 34, 31, 0.3), transparent);
        }

        .scenario-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            z-index: 2;
        }

        .scenario-body {
            padding: 24px;
        }

        .scenario-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .scenario-body p {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .scenario-body a {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }

        /* ========== 双栏服务区 ========== */
        .c2-matrix {
            padding: 0;
            background: #fff;
        }

        .c2-matrix .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: #fff;
        }

        .matrix-left {
            padding: 80px 48px 80px 0;
        }

        .matrix-right {
            padding: 80px 0 80px 48px;
            border-left: 1px solid var(--border);
        }

        .matrix-title {
            font-size: 27px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .matrix-desc {
            color: var(--text-sub);
            margin-bottom: 24px;
            font-size: 15px;
        }

        .matrix-list {
            margin-bottom: 28px;
        }

        .matrix-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--text-main);
        }

        .matrix-list .tick {
            color: var(--primary);
            font-weight: 700;
        }

        /* ========== CTA横幅 ========== */
        .c2-cta {
            background: linear-gradient(120deg, var(--primary) 0%, #0d5f5f 70%);
            padding: 80px 0;
            text-align: center;
        }

        .c2-cta h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .c2-cta p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 32px;
            font-size: 16px;
            line-height: 1.8;
        }

        .c2-cta-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .footer {
            background: var(--dark-bg);
            padding: 56px 0 0;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

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

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s;
            font-size: 14px;
        }

        .footer-col ul a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .logo-mark {
            width: 36px;
            height: 36px;
            font-size: 16px;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 18px;
        }

        .contact-footer li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .contact-footer li span {
            color: var(--accent);
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-dock {
                gap: 8px;
            }

            .main-nav {
                gap: 0;
                padding: 0 4px;
            }

            .nav-item {
                padding: 8px 12px;
                font-size: 14px;
            }

            .c2-banner-inner {
                gap: 32px;
            }

            .c2-banner h1 {
                font-size: 34px;
            }

            .c2-banner-image img {
                height: 300px;
            }

            .c2-features-grid {
                gap: 18px;
            }

            .c2-feature-card {
                padding: 24px;
            }

            .process-grid {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .section {
                padding: var(--spacing-section-mobile) 0;
            }

            .nav-wrapper {
                top: 10px;
                padding: 0 10px;
                margin-top: -10px;
            }

            .nav-dock {
                height: 58px;
                padding: 0 14px 0 16px;
                border-radius: 20px;
            }

            .nav-brand .logo-text {
                font-size: 16px;
            }

            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-toggle.active {
                background: rgba(14, 107, 107, 0.2);
            }

            .main-nav.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                border-radius: 20px;
                box-shadow: var(--shadow-hover);
                padding: 16px;
                gap: 8px;
                z-index: 100;
                border: 1px solid var(--border);
            }

            .main-nav.mobile-open .nav-item {
                width: 100%;
                justify-content: center;
                padding: 12px;
            }

            .main-nav.mobile-open .nav-item:hover {
                background: rgba(14, 107, 107, 0.08);
            }

            .c2-banner {
                padding: 44px 0 56px;
            }

            .c2-banner-inner {
                flex-direction: column-reverse;
                gap: 32px;
            }

            .c2-banner-text {
                flex-basis: auto;
                width: 100%;
                text-align: left;
            }

            .c2-banner h1 {
                font-size: 30px;
            }

            .c2-banner p.lead {
                font-size: 16px;
            }

            .c2-banner-image {
                flex-basis: auto;
                width: 100%;
            }

            .c2-banner-image img {
                height: 220px;
            }

            .c2-banner-stats {
                gap: 24px;
                flex-wrap: wrap;
            }

            .c2-features-grid {
                grid-template-columns: 1fr;
            }

            .c2-feature-card:hover {
                transform: translateY(-2px);
            }

            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px 16px;
            }

            .process-grid::before {
                display: none;
            }

            .process-num {
                margin-bottom: 14px;
            }

            .c2-trust-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .c2-trust-left {
                padding: 0;
            }

            .c2-trust-left h2 {
                font-size: 26px;
            }

            .c2-trust-right {
                gap: 14px;
            }

            .trust-card .num {
                font-size: 28px;
            }

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

            .c2-matrix .container {
                grid-template-columns: 1fr;
            }

            .matrix-left {
                padding: 56px 0 32px;
            }

            .matrix-right {
                padding: 32px 0 56px;
                border-left: 0;
                border-top: 1px solid var(--border);
            }

            .c2-cta {
                padding: 60px 0;
            }

            .c2-cta h2 {
                font-size: 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

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

        @media (max-width: 480px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-dock {
                padding: 0 10px 0 14px;
            }

            .nav-search-btn {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }

            .btn-login-nav {
                padding: 8px 16px;
                font-size: 14px;
            }

            .btn {
                width: 100%;
            }

            .c2-banner-stats {
                flex-wrap: wrap;
                gap: 16px;
            }

            .c2-banner-stats .stat-item {
                flex-basis: calc(50% - 16px);
            }

            .process-grid {
                grid-template-columns: 1fr;
            }

            .c2-trust-highlights {
                grid-template-columns: 1fr;
            }

            .c2-trust-right {
                grid-template-columns: 1fr;
            }

            .c2-cta-actions {
                flex-direction: column;
                align-items: stretch;
                padding: 0 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0E6B6B;
            --primary-dark: #0A5353;
            --accent: #C97A4A;
            --bg: #F7F5F1;
            --dark: #10221F;
            --card-bg: #FFFFFF;
            --border: #E7E1D8;
            --text: #1E2B2E;
            --text-secondary: #5D6B6E;
            --success: #3C7A5B;
            --error: #B4543B;
            --radius-card: 12px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 16px rgba(23, 40, 35, 0.06);
            --shadow-hover: 0 14px 30px rgba(23, 40, 35, 0.12);
            --shadow-dock: 0 8px 24px rgba(23, 40, 35, 0.08);
            --container: 1200px;
            --section-gap: 96px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 110px;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.78;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            transition: color .2s ease;
        }

        a:hover {
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        ul {
            list-style: none;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 浮动 Dock 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 16px 24px 0;
            display: flex;
            justify-content: center;
            pointer-events: none;
        }

        .dock-nav {
            position: relative;
            width: 100%;
            max-width: 1080px;
            height: 64px;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border);
            border-radius: 999px;
            box-shadow: var(--shadow-dock);
            display: flex;
            align-items: center;
            padding: 0 20px;
            gap: 14px;
            pointer-events: auto;
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .dock-logo:hover {
            text-decoration: none;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .logo-text {
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            margin: 0 auto;
        }

        .nav-item {
            padding: 9px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            white-space: nowrap;
            transition: background .2s ease, color .2s ease;
        }

        .nav-item:hover {
            background: rgba(14, 107, 107, 0.08);
            color: var(--primary);
            text-decoration: none;
        }

        .nav-item.active {
            background: rgba(14, 107, 107, 0.1);
            color: var(--primary);
            font-weight: 600;
        }

        .dock-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .btn-primary,
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            transition: background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1.5px solid transparent;
            padding: 12px 26px;
            box-shadow: 0 4px 14px rgba(14, 107, 107, 0.22);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(14, 107, 107, 0.28);
            text-decoration: none;
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(14, 107, 107, 0.18);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            padding: 11px 25px;
        }

        .btn-outline:hover {
            background: rgba(14, 107, 107, 0.08);
            text-decoration: none;
            color: var(--primary);
        }

        .btn-outline:active {
            transform: translateY(1px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        .btn-block {
            width: 100%;
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: none;
            background: transparent;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 12px;
        }

        .menu-toggle .bar {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }

        .menu-toggle.active .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.active .bar:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.active .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== 页面标题区 ===== */
        .page-hero {
            position: relative;
            padding: 80px 0 64px;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(14, 107, 107, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(14, 107, 107, 0.04) 1px, transparent 1px);
            background-size: 42px 42px;
            pointer-events: none;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            width: 420px;
            height: 420px;
            border: 2px solid rgba(14, 107, 107, 0.08);
            border-radius: 50%;
            top: -180px;
            right: -120px;
            box-shadow: 0 0 0 42px rgba(14, 107, 107, 0.025), 0 0 0 84px rgba(201, 122, 74, 0.025);
            pointer-events: none;
            z-index: 0;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .page-hero__decor {
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
            width: 380px;
            z-index: 1;
            pointer-events: none;
            opacity: 0.5;
        }

        .page-hero__decor img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 1) 0%, transparent 100%);
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 1) 0%, transparent 100%);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .breadcrumb .sep {
            color: var(--border);
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.28;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .hero-lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.78;
            max-width: 680px;
            margin-bottom: 28px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tagpill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            box-shadow: 0 2px 6px rgba(23, 40, 35, 0.04);
        }

        .tagpill i {
            font-style: normal;
            color: var(--success);
            font-weight: 700;
        }

        /* ===== 主体双栏 ===== */
        .main-body {
            padding: var(--section-gap) 0;
            background: var(--bg);
        }

        .body-grid {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 40px;
            align-items: start;
        }

        .content-main {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        /* ===== 内容卡片 ===== */
        .guide-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform .3s ease, box-shadow .3s ease;
        }

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

        .guide-card--featured {
            display: grid;
            grid-template-columns: 5fr 7fr;
        }

        .guide-card--reverse {
            grid-template-columns: 7fr 5fr;
        }

        .guide-card--reverse .guide-card__media {
            order: 2;
        }

        .guide-card--reverse .guide-card__body {
            order: 1;
        }

        .guide-card__media {
            position: relative;
            min-height: 260px;
            background: #E8E6E1;
            overflow: hidden;
        }

        .guide-card__media img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .guide-card:hover .guide-card__media img {
            transform: scale(1.03);
        }

        .guide-card__badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            box-shadow: 0 2px 8px rgba(23, 40, 35, 0.1);
            backdrop-filter: blur(4px);
            z-index: 2;
        }

        .guide-card__body {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 36px;
        }

        .guide-card__meta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .meta-num {
            font-size: 30px;
            font-weight: 800;
            color: rgba(14, 107, 107, 0.18);
            line-height: 1;
        }

        .guide-card__body h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 14px;
        }

        .guide-card__body p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .check-list {
            margin-top: 16px;
            display: grid;
            gap: 8px;
        }

        .check-list li {
            position: relative;
            padding-left: 30px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .check-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 2px;
            width: 20px;
            height: 20px;
            background: rgba(60, 122, 91, 0.12);
            color: var(--success);
            border-radius: 50%;
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .guide-card--list {
            display: flex;
            gap: 24px;
            padding: 36px;
        }

        .guide-card__icon {
            width: 60px;
            height: 60px;
            flex-shrink: 0;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
        }

        .guide-card__icon--key {
            background: rgba(14, 107, 107, 0.08);
        }

        .guide-card__icon--shield {
            background: rgba(201, 122, 74, 0.12);
        }

        .mini-steps {
            margin-top: 20px;
            display: grid;
            gap: 10px;
        }

        .mini-step {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            background: var(--bg);
            border-radius: 10px;
            font-size: 14px;
            color: var(--text);
            border: 1px solid rgba(231, 225, 216, 0.6);
        }

        .mini-step span {
            width: 26px;
            height: 26px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .guide-card--faq {
            padding: 36px;
        }

        .guide-card--faq>.guide-card__body {
            padding: 0;
        }

        .guide-card--faq .guide-card__body>p {
            margin-bottom: 8px;
        }

        .faq-list {
            margin-top: 12px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: border-color .2s ease;
        }

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

        .faq-item summary {
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            padding: 18px 0;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color .2s ease;
        }

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

        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--text-secondary);
            transition: transform .3s ease, color .2s ease;
            flex-shrink: 0;
            line-height: 1;
        }

        .faq-item[open] summary {
            color: var(--primary);
        }

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

        .faq-item[open] {
            border-bottom-color: rgba(14, 107, 107, 0.25);
        }

        .faq-item p {
            padding: 0 0 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
        }

        /* ===== 侧边栏 ===== */
        .sidebar {
            position: sticky;
            top: 96px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-widget {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .widget-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
            color: var(--text);
            margin-bottom: 16px;
        }

        .widget-title span {
            font-size: 18px;
        }

        .sidebar-widget--catalog ul {
            display: grid;
            gap: 2px;
        }

        .sidebar-widget--catalog li a {
            display: flex;
            align-items: center;
            padding: 10px 6px;
            border-bottom: 1px dashed rgba(231, 225, 216, 0.9);
            color: var(--text);
            font-size: 14px;
            text-decoration: none;
            transition: color .2s ease, padding-left .2s ease;
        }

        .sidebar-widget--catalog li a::before {
            content: '→';
            margin-right: 10px;
            color: var(--accent);
            font-weight: 700;
            transition: transform .2s ease;
        }

        .sidebar-widget--catalog li a:hover {
            color: var(--primary);
            padding-left: 10px;
            text-decoration: none;
        }

        .sidebar-widget--catalog li:last-child a {
            border-bottom: none;
        }

        .sidebar-widget--contact p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px dashed var(--border);
        }

        .contact-list li:last-child {
            border-bottom: none;
        }

        .contact-list li span {
            color: var(--primary);
            font-size: 15px;
            width: 20px;
            text-align: center;
        }

        .sidebar-widget--cta {
            background: var(--dark);
            border-color: var(--dark);
        }

        .sidebar-widget--cta .widget-title {
            color: #fff;
        }

        .sidebar-widget--cta p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 18px;
        }

        .sidebar-widget--cta .btn-outline {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
        }

        .sidebar-widget--cta .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ===== CTA 横条 ===== */
        .cta-bar {
            padding: 0 0 var(--section-gap);
            background: var(--bg);
        }

        .cta-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            background: #EFEBE4;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 44px 52px;
            position: relative;
            overflow: hidden;
        }

        .cta-bar-inner::before {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border: 1.5px solid rgba(14, 107, 107, 0.1);
            border-radius: 50%;
            top: -80px;
            right: 30px;
            box-shadow: 0 0 0 34px rgba(201, 122, 74, 0.035);
            pointer-events: none;
        }

        .cta-text {
            position: relative;
            z-index: 1;
        }

        .cta-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .cta-text p {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 560px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.65);
            padding-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            color: #fff;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: color .2s ease;
        }

        .footer-col ul a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        .contact-footer li {
            color: rgba(255, 255, 255, 0.65);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            flex-wrap: wrap;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 80px;
            }

            .dock-nav {
                gap: 8px;
                padding: 0 16px;
            }

            .nav-item {
                padding: 8px 12px;
                font-size: 14px;
            }

            .dock-actions .btn-primary {
                padding: 8px 16px;
                font-size: 14px;
            }

            .body-grid {
                grid-template-columns: 7fr 5fr;
                gap: 24px;
            }

            .guide-card--featured {
                grid-template-columns: 4fr 6fr;
            }

            .guide-card--reverse {
                grid-template-columns: 6fr 4fr;
            }

            .guide-card__body {
                padding: 28px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                padding: 12px 12px 0;
            }

            .dock-nav {
                max-width: 100%;
                height: 60px;
                border-radius: 18px;
                padding: 0 14px;
            }

            .dock-logo .logo-text {
                font-size: 16px;
            }

            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 10px;
            }

            .main-nav {
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                display: none;
                flex-direction: column;
                align-items: stretch;
                background: rgba(255, 255, 255, 0.97);
                border: 1px solid var(--border);
                border-radius: 16px;
                box-shadow: var(--shadow-hover);
                padding: 12px;
                gap: 4px;
                margin: 0;
            }

            .main-nav.open {
                display: flex;
            }

            .nav-item {
                width: 100%;
                border-radius: 10px;
                padding: 12px 16px;
                font-size: 15px;
            }

            .menu-toggle {
                display: flex;
            }

            .dock-actions .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }

            .page-hero {
                padding: 56px 0 48px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .hero-lead {
                font-size: 15px;
            }

            .page-hero__decor {
                display: none;
            }

            .body-grid {
                grid-template-columns: 1fr;
            }

            .sidebar {
                position: static;
            }

            .guide-card--featured,
            .guide-card--reverse {
                grid-template-columns: 1fr;
            }

            .guide-card--featured .guide-card__media,
            .guide-card--reverse .guide-card__media {
                order: -1 !important;
                position: relative;
                width: 100%;
                height: 220px;
                min-height: 0;
            }

            .guide-card--featured .guide-card__media img,
            .guide-card--reverse .guide-card__media img {
                position: absolute;
                inset: 0;
                width: 100%;
                height: 100%;
                object-fit: cover;
            }

            .guide-card--list {
                flex-direction: column;
                padding: 24px;
            }

            .guide-card--faq {
                padding: 24px;
            }

            .cta-bar-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 28px;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-outline {
                flex: 1;
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }

            .container {
                padding: 0 16px;
            }

            .page-hero {
                padding: 44px 0 36px;
            }

            .hero-tags {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .tagpill {
                width: 100%;
            }

            .guide-card__body {
                padding: 22px;
            }

            .guide-card__body h3 {
                font-size: 18px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

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

            .cta-actions {
                flex-direction: column;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-outline {
                width: 100%;
            }

            .cta-text h3 {
                font-size: 22px;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #0E6B6B;
  --primary-dark: #0A5353;
  --accent: #C97A4A;
  --bg: #F7F5F1;
  --dark: #10221F;
  --card-bg: #FFFFFF;
  --border: #E7E1D8;
  --text: #1E2B2E;
  --text-light: #5D6B6E;
  --success: #3C7A5B;
  --radius-card: 12px;
  --radius-large: 24px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 16px rgba(23, 40, 35, 0.06);
  --shadow-hover: 0 14px 30px rgba(23, 40, 35, 0.12);
  --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', system-ui, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  color: var(--text);
  background: var(--bg);
  line-height: 1.78;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease;
}
a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}
img {
  max-width: 100%;
  display: block;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  outline: none;
}
button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / Dock ---------- */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 100;
  padding: 16px 24px 0;
}
.dock-wrap {
  max-width: 1080px;
  margin: 0 auto;
  height: 64px;
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(23, 40, 35, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px 0 24px;
  gap: 24px;
}
.dock-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  border-radius: 10px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.main-nav .nav-item {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  white-space: nowrap;
  transition: background 0.25s ease, color 0.25s ease;
}
.main-nav .nav-item:hover {
  color: var(--primary);
  background: rgba(14, 107, 107, 0.08);
  text-decoration: none;
}
.main-nav .nav-item.active {
  color: var(--primary);
  background: rgba(14, 107, 107, 0.12);
  font-weight: 600;
}
.dock-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 22px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(14, 107, 107, 0.25);
  text-decoration: none;
  color: #fff;
}
.btn-primary:active {
  transform: translateY(1px);
  box-shadow: none;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn-outline:hover {
  background: rgba(14, 107, 107, 0.08);
  color: var(--primary-dark);
  text-decoration: none;
  transform: translateY(-1px);
}
.btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 34px;
  background: #fff;
  color: var(--primary);
  border: none;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}
.btn-light:hover {
  background: #f0f5f3;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
  text-decoration: none;
  color: var(--primary);
}
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: border-color 0.25s ease;
}
.menu-toggle:hover {
  border-color: var(--primary);
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: background 0.25s ease;
}

/* ---------- Dark Hero Band ---------- */
.dark-hero {
  position: relative;
  background: var(--dark);
  color: #fff;
  padding: 80px 0 90px;
  overflow: hidden;
}
.dark-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.dark-hero::after {
  content: '';
  position: absolute;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 50%;
  right: -120px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}
.dark-hero .container {
  position: relative;
  z-index: 1;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 18px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.65);
}
.breadcrumb a:hover {
  color: #fff;
}
.breadcrumb .sep {
  opacity: 0.6;
}
.dark-hero h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.28;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.dark-hero p {
  max-width: 720px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 0;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.trust-col {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}
.trust-col .ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  font-size: 15px;
  color: var(--accent);
}

/* ---------- Feature Row ---------- */
.feature-row {
  padding: 110px 0;
  background: var(--bg);
}
.feature-row.alt {
  background: #fff;
}
.row-block {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: center;
}
.row-block.reverse {
  grid-template-columns: 7fr 5fr;
}
.row-block.reverse .row-media {
  order: 2;
}
.row-media {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: #e5e3de;
  min-height: 280px;
  position: relative;
}
.row-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
  transition: transform 0.5s ease;
}
.row-block:hover .row-media img {
  transform: scale(1.03);
}
.row-content .tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: rgba(201, 122, 74, 0.12);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  line-height: 1.4;
}
.row-content h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 18px;
}
.row-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 22px;
}
.check-list {
  list-style: none;
  margin-bottom: 26px;
}
.check-list li {
  position: relative;
  padding-left: 30px;
  font-size: 15px;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.7;
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 107, 107, 0.1);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  border-radius: 50%;
}

/* ---------- Divider FAQ ---------- */
.faq-divider-section {
  padding: 110px 0;
  background: var(--bg);
}
.faq-divider-section .section-head {
  text-align: center;
  margin-bottom: 56px;
}
.faq-divider-section .section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.faq-divider-section .section-head p {
  font-size: 15px;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
}
.divider-faq {
  max-width: 840px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  transition: border-color 0.3s ease;
}
.faq-item:first-child {
  border-top: 1px solid var(--border);
}
.faq-item:hover {
  border-color: rgba(14, 107, 107, 0.35);
}
.faq-q {
  width: 100%;
  background: none;
  border: none;
  padding: 4px 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
  transition: color 0.25s ease;
  font-family: inherit;
}
.faq-q:hover {
  color: var(--primary);
}
.faq-q .icon {
  font-size: 24px;
  font-weight: 300;
  color: var(--text-light);
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-q .icon {
  transform: rotate(45deg);
  color: var(--primary);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  color: var(--text-light);
  line-height: 1.75;
  font-size: 15px;
}
.faq-item.open .faq-a {
  max-height: 500px;
  padding-top: 8px;
  padding-bottom: 4px;
  padding-right: 36px;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  position: relative;
  padding: 100px 0;
  background: var(--primary);
  color: #fff;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  left: -100px;
  bottom: -100px;
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.cta-text {
  flex: 1;
  min-width: 280px;
}
.cta-text h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
  color: #fff;
}
.cta-text p {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
}
.cta-btn-wrap {
  flex-shrink: 0;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .logo-mark {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-col p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: color 0.25s ease;
}
.footer-col ul li a:hover {
  color: var(--accent);
  text-decoration: none;
}
.contact-footer li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}
.contact-footer li span {
  color: var(--accent);
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .dock-wrap {
    padding: 0 16px;
    gap: 12px;
  }
  .main-nav .nav-item {
    padding: 0 10px;
    font-size: 13px;
  }
  .row-block,
  .row-block.reverse {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .row-block.reverse .row-media {
    order: 1;
  }
  .row-media,
  .row-media img {
    min-height: 240px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}
@media (max-width: 768px) {
  body {
    font-size: 15px;
  }
  .site-header {
    padding: 12px 16px 0;
  }
  .dock-wrap {
    height: 58px;
    border-radius: 20px;
    padding: 0 14px;
  }
  .logo-mark {
    width: 34px;
    height: 34px;
    font-size: 17px;
    border-radius: 8px;
  }
  .logo-text {
    font-size: 17px;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 16px;
    right: 16px;
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--border);
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav .nav-item {
    height: 44px;
    justify-content: center;
    border-radius: 10px;
    font-size: 14px;
  }
  .menu-toggle {
    display: flex;
  }
  .dock-actions .btn-primary {
    height: 36px;
    padding: 0 16px;
    font-size: 13px;
  }
  .dark-hero {
    padding: 60px 0 64px;
  }
  .dark-hero h1 {
    font-size: 30px;
  }
  .dark-hero p {
    font-size: 15px;
  }
  .feature-row {
    padding: 64px 0;
  }
  .row-content h2 {
    font-size: 24px;
  }
  .faq-divider-section {
    padding: 64px 0;
  }
  .faq-divider-section .section-head h2 {
    font-size: 24px;
  }
  .faq-q {
    font-size: 16px;
  }
  .cta-banner {
    padding: 64px 0;
  }
  .cta-text h2 {
    font-size: 24px;
  }
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }
  .cta-btn-wrap {
    width: 100%;
  }
  .cta-btn-wrap .btn-light {
    width: 100%;
  }
  .footer {
    padding-top: 56px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .row-block:hover .row-media img {
    transform: none;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 20px;
  }
  .dock-wrap {
    gap: 8px;
    padding: 0 12px;
  }
  .dock-actions .btn-primary {
    display: none;
  }
  .logo-text {
    font-size: 16px;
  }
  .hero-trust {
    flex-direction: column;
    gap: 14px;
  }
  .btn-outline,
  .btn-light {
    width: 100%;
  }
  .check-list li {
    font-size: 14px;
  }
  .faq-q {
    gap: 12px;
  }
}