/* roulang page: index */
:root {
  --primary: #0DA8A8;
  --primary-dark: #0B7F7F;
  --primary-light: rgba(13, 168, 168, 0.1);
  --accent: #FF8A5C;
  --accent-dark: #EA7444;
  --dark: #0F2323;
  --dark-soft: #183838;
  --light: #F5F8F9;
  --white: #FFFFFF;
  --yellow: #FFD166;
  --text-main: #0F2323;
  --text-secondary: #5A6B6B;
  --text-light: #8A9B9B;
  --border-color: rgba(15, 35, 35, 0.08);
  --border-white: rgba(255, 255, 255, 0.1);
  --gradient-primary: linear-gradient(135deg, #0DA8A8 0%, #0B7F7F 100%);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 10px rgba(15, 35, 35, 0.05);
  --shadow-hover: 0 10px 30px rgba(15, 35, 35, 0.12);
  --shadow-nav: 0 1px 8px rgba(15, 35, 35, 0.08);
  --transition: all 0.25s ease;
  --container: 1200px;
  --font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--primary-dark);
}

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

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

.row {
  max-width: var(--container);
  margin: 0 auto;
}

.row .columns {
  padding: 0 12px;
}

@media screen and (max-width: 640px) {
  .container {
    padding: 0 16px;
  }
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(255, 138, 92, 0.3);
}

.btn-primary:active {
  background: #D96A3D;
  transform: translateY(0);
  box-shadow: none;
}

.btn-primary:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(13, 168, 168, 0.3);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-outline:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(13, 168, 168, 0.25);
}

.btn-ghost {
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
  min-height: 50px;
  padding: 0 32px;
  font-size: 16px;
}

.btn-sm {
  min-height: 36px;
  padding: 0 16px;
  font-size: 14px;
}

/* 头部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(245, 248, 249, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(245, 248, 249, 0.96);
  box-shadow: var(--shadow-nav);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}

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

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(13, 168, 168, 0.3);
}

.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.logo-text .highlight {
  color: var(--primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  text-decoration: none;
  position: relative;
  padding: 6px 2px;
  transition: var(--transition);
}

.main-nav a:hover {
  color: var(--primary);
}

.main-nav a.active {
  color: var(--primary);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box input {
  width: 180px;
  height: 38px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.9);
  padding: 0 38px 0 18px;
  font-size: 14px;
  color: var(--text-main);
  transition: var(--transition);
}

.search-box input:focus {
  width: 220px;
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(13, 168, 168, 0.15);
}

.search-box .search-icon {
  position: absolute;
  right: 14px;
  color: var(--text-secondary);
  font-size: 14px;
  pointer-events: none;
}

.header-btn-login {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  min-height: 36px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.header-btn-login:hover {
  background: var(--primary);
  color: var(--white);
}

.header-btn-start {
  background: var(--accent);
  color: var(--white);
  border: none;
  min-height: 38px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.header-btn-start:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 138, 92, 0.3);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--dark);
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

@media screen and (max-width: 1024px) {
  .main-nav {
    gap: 18px;
  }
  .search-box input {
    width: 130px;
  }
  .search-box input:focus {
    width: 160px;
  }
}

@media screen and (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    box-shadow: var(--shadow-nav);
    border-bottom: 1px solid var(--border-color);
    gap: 4px;
    z-index: 999;
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav a {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
  }
  .main-nav a:last-child {
    border-bottom: none;
  }
  .main-nav a.active::after {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .search-box {
    display: none;
  }
  .header-btn-login {
    display: none;
  }
  .header-btn-start {
    min-height: 36px;
    padding: 0 16px;
    font-size: 13px;
  }
}

/* Hero 区域 */
.hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--light) 0%, #E8F6F6 50%, var(--light) 100%);
  overflow: hidden;
  padding: 60px 0 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: rgba(13, 168, 168, 0.18);
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 20px;
  left: 10%;
  width: 160px;
  height: 160px;
  background-image: radial-gradient(rgba(13, 168, 168, 0.15) 2px, transparent 2px);
  background-size: 24px 24px;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero .row {
  align-items: center;
}

.hero-content h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--dark);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-content h1 .highlight {
  color: var(--primary);
  position: relative;
  padding-bottom: 4px;
}

.hero-content h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: rgba(13, 168, 168, 0.15);
  border-radius: 3px;
}

.hero-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-trust {
  list-style: none;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
}

.hero-trust li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.hero-trust li i {
  color: var(--primary);
  font-size: 12px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
}

.hero-login-card {
  width: 420px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: 0 20px 50px rgba(15, 35, 35, 0.12);
  position: relative;
  z-index: 2;
}

.hero-login-card .login-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
  text-align: center;
}

.hero-login-card .login-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 24px;
}

.hero-login-card .form-item {
  margin-bottom: 16px;
}

.hero-login-card .form-item label {
  font-size: 13px;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 6px;
}

.hero-login-card .form-item input {
  width: 100%;
  height: 42px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  font-size: 14px;
  background: var(--light);
  transition: var(--transition);
}

.hero-login-card .form-item input:focus {
  border-color: var(--primary);
  background: var(--white);
  outline: none;
  box-shadow: 0 0 0 3px rgba(13, 168, 168, 0.12);
}

.hero-login-card .login-remember {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.hero-login-card .login-btn {
  width: 100%;
  height: 44px;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.hero-login-card .login-btn:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.hero-float-badge {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-pill);
  padding: 10px 16px;
  box-shadow: var(--shadow-hover);
  font-size: 13px;
  font-weight: 500;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 3;
}

.hero-float-badge i {
  color: var(--primary);
}

.hero-float-badge.badge-1 {
  top: 30px;
  left: 50px;
  animation: float 4s ease-in-out infinite;
}

.hero-float-badge.badge-2 {
  bottom: 40px;
  right: 40px;
  animation: float 5s ease-in-out 0.5s infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media screen and (max-width: 1024px) {
  .hero-visual {
    min-height: 320px;
  }
  .hero-login-card {
    width: 360px;
    padding: 28px 24px;
  }
}

@media screen and (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 48px 0 60px;
  }
  .hero-content h1 {
    font-size: 1.8rem;
  }
  .hero-visual {
    min-height: 280px;
    margin-top: 32px;
  }
  .hero-login-card {
    width: 100%;
    max-width: 400px;
  }
  .hero-float-badge.badge-1 {
    left: 10px;
  }
  .hero-float-badge.badge-2 {
    right: 10px;
  }
}

/* 信任指标条 */
.trust-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border-color);
  padding: 32px 0;
  position: relative;
  z-index: 5;
}

.trust-bar .container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-item {
  text-align: center;
  padding: 8px 20px;
}

.trust-item .number {
  font-size: 30px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
}

.trust-item .number span {
  color: var(--primary);
  font-size: 24px;
  margin-left: 2px;
}

.trust-item .label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

@media screen and (max-width: 768px) {
  .trust-bar .container {
    gap: 12px;
  }
  .trust-item {
    padding: 6px 12px;
  }
  .trust-item .number {
    font-size: 22px;
  }
  .trust-item .number span {
    font-size: 18px;
  }
}

/* 服务卡片 */
.services-section {
  padding: 72px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header .section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.section-header h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

.service-card {
  display: flex;
  align-items: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin-bottom: 24px;
  transition: var(--transition);
}

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

.service-card .service-img {
  overflow: hidden;
  position: relative;
}

.service-card .service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-img img {
  transform: scale(1.05);
}

.service-card .service-body {
  padding: 40px 36px;
}

.service-card .service-body .service-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.service-card .service-body h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 14px;
}

.service-card .service-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.service-card .service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
}

.service-card .service-link:hover {
  color: var(--primary-dark);
  gap: 10px;
}

@media screen and (max-width: 768px) {
  .services-section {
    padding: 48px 0;
  }
  .service-card .service-body {
    padding: 24px 20px;
  }
  .service-card .service-body h3 {
    font-size: 1.2rem;
  }
}

/* 热门网格 */
.products-section {
  padding: 72px 0;
  background: var(--light);
}

.products-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 36px;
}

.products-header h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--dark);
}

.products-header .view-all {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.products-header .view-all:hover {
  gap: 10px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin-bottom: 16px;
  transition: var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
}

.product-card .product-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

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

.product-card:hover .product-img img {
  transform: scale(1.08);
}

.product-card .product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(4px);
}

.product-card .product-body {
  padding: 16px;
}

.product-card .product-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}

.product-card .product-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
  min-height: 40px;
}

.product-card .product-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.product-card .product-rating .stars {
  color: var(--yellow);
  font-size: 13px;
}

.product-card .product-rating .count {
  margin-left: 4px;
}

.product-card .product-btn {
  width: 100%;
  height: 40px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.product-card .product-btn:hover {
  background: var(--primary-dark);
}

@media screen and (max-width: 768px) {
  .products-section {
    padding: 48px 0;
  }
  .products-header h2 {
    font-size: 1.4rem;
  }
}

/* 评价轮播 */
.testimonials-section {
  padding: 72px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

.testimonials-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(13, 168, 168, 0.1);
}

.testimonials-section .section-header h2 {
  color: var(--white);
}

.testimonials-section .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.testimonial-slider {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

.testimonial-track {
  display: flex;
  gap: 20px;
  overflow: hidden;
  padding: 20px 0 40px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.testimonial-card {
  flex: 0 0 320px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
  scroll-snap-align: center;
  transition: var(--transition);
}

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

.testimonial-card .quote {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  position: relative;
  padding-top: 24px;
}

.testimonial-card .quote::before {
  content: '\f10d';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 20px;
  color: var(--primary);
  opacity: 0.3;
  position: absolute;
  top: 0;
  left: 0;
}

.testimonial-card .testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.testimonial-card .author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.testimonial-card .author-info .name {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
}

.testimonial-card .author-info .company {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 2px;
}

.testimonial-card .testimonial-stars {
  display: flex;
  gap: 2px;
  color: var(--yellow);
  font-size: 14px;
  margin-bottom: 12px;
}

.slider-arrows {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 10px;
}

.slider-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.slider-arrow:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
}

@media screen and (max-width: 768px) {
  .testimonials-section {
    padding: 48px 0;
  }
  .testimonial-card {
    flex: 0 0 85%;
  }
}

/* 保障条 */
.guarantee-section {
  padding: 56px 0;
  background: #E9F6F6;
  border-bottom: 1px solid var(--border-color);
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.guarantee-item {
  text-align: center;
  padding: 24px 16px;
  position: relative;
}

.guarantee-item + .guarantee-item::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border-color);
}

.guarantee-item .g-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--white);
  color: var(--primary);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: var(--shadow-card);
}

.guarantee-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}

.guarantee-item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media screen and (max-width: 768px) {
  .guarantee-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guarantee-item + .guarantee-item::before {
    display: none;
  }
}

@media screen and (max-width: 520px) {
  .guarantee-grid {
    grid-template-columns: 1fr;
  }
}

/* 最新资讯 */
.news-section {
  padding: 72px 0;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 20px;
  margin-bottom: 16px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  min-height: 220px;
}

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

.news-card .news-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
  margin-bottom: 10px;
}

.news-card .news-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 48px;
}

.news-card .news-title a {
  color: var(--dark);
  text-decoration: none;
}

.news-card .news-title a:hover {
  color: var(--primary);
}

.news-card .news-excerpt {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
  margin-bottom: 14px;
}

.news-card .news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

.news-card .news-time {
  font-size: 12px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 4px;
}

.news-card .news-time i {
  font-size: 12px;
}

.news-card .news-more {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  text-decoration: none;
}

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

.news-empty {
  text-align: center;
  padding: 60px 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.news-empty .empty-icon {
  font-size: 48px;
  color: var(--border-color);
  margin-bottom: 16px;
}

.news-empty p {
  font-size: 14px;
  color: var(--text-secondary);
}

@media screen and (max-width: 768px) {
  .news-section {
    padding: 48px 0;
  }
}

/* CTA 横幅 */
.cta-banner {
  background: var(--gradient-primary);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -40px;
  left: 5%;
  width: 120px;
  height: 120px;
  background-image: radial-gradient(rgba(255, 255, 255, 0.2) 2px, transparent 2px);
  background-size: 20px 20px;
  border-radius: 50%;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: 5%;
  width: 100px;
  height: 100px;
  background-image: radial-gradient(rgba(255, 255, 255, 0.15) 2px, transparent 2px);
  background-size: 16px 16px;
  border-radius: 50%;
}

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

.cta-banner h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.4;
}

.cta-banner p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 28px;
}

.cta-banner .btn {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

.cta-banner .btn:hover {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-dark);
  border-color: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

@media screen and (max-width: 768px) {
  .cta-banner {
    padding: 40px 0;
  }
  .cta-banner h2 {
    font-size: 22px;
  }
}

/* FAQ */
.faq-section {
  padding: 72px 0;
}

.faq-wrap {
  display: flex;
  gap: 40px;
}

.faq-left {
  flex: 0 0 300px;
}

.faq-left .faq-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.faq-left p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.faq-left .faq-contact {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.faq-right {
  flex: 1;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: transform 0.3s ease, background 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: var(--white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 24px 18px;
}

@media screen and (max-width: 768px) {
  .faq-section {
    padding: 48px 0;
  }
  .faq-wrap {
    flex-direction: column;
    gap: 24px;
  }
  .faq-left {
    flex: 1;
  }
}

/* 页脚 */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
  font-size: 14px;
}

.footer-main {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-white);
}

.footer-brand p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin: 12px 0 16px;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  text-decoration: none;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-col ul a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px !important;
}

.footer-contact li i {
  color: var(--primary);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-subscribe {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.footer-subscribe input {
  flex: 1;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: var(--white);
  padding: 0 14px;
  font-size: 13px;
  min-width: 0;
}

.footer-subscribe input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.footer-subscribe input:focus {
  border-color: var(--primary);
  outline: none;
}

.footer-subscribe button {
  height: 40px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.footer-subscribe button:hover {
  background: var(--primary-dark);
}

.footer-bottom {
  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, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--primary);
}

@media screen and (max-width: 768px) {
  .site-footer {
    padding: 48px 0 0;
  }
  .footer-col {
    margin-bottom: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media screen and (max-width: 640px) {
  .footer-subscribe {
    flex-direction: column;
  }
  .footer-subscribe button {
    width: 100%;
  }
}

/* 返回顶部 */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--white);
  border: none;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.show {
  opacity: 0.8;
  visibility: visible;
}

.back-to-top:hover {
  opacity: 1;
  background: var(--primary);
}

/* 按钮通用焦点 */
.btn:focus, .header-btn-login:focus, .header-btn-start:focus,
.faq-question:focus, .slider-arrow:focus, .back-to-top:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(13, 168, 168, 0.3);
}

/* roulang page: category1 */
:root {
    --primary: #0DA8A8;
    --primary-dark: #0B7F7F;
    --accent: #FF8A5C;
    --accent-dark: #EA7444;
    --dark: #0F2323;
    --bg: #F5F8F9;
    --white: #FFFFFF;
    --text: #0F2323;
    --text-sub: #5A6B6B;
    --border: rgba(15,35,35,0.08);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --radius-pill: 999px;
    --shadow-sm: 0 2px 10px rgba(15,35,35,0.05);
    --shadow-md: 0 10px 30px rgba(15,35,35,0.12);
    --shadow-header: 0 1px 8px rgba(15,35,35,0.08);
    --transition: all 0.25s ease;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    color: var(--dark);
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
  }

  .row {
    max-width: 1200px;
    margin: 0 auto;
  }

  .row .row {
    margin: 0 -16px;
  }

  .columns {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section {
    padding: 72px 0;
  }

  .section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
  }

  .section-head h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0.01em;
  }

  .section-head p {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.6;
  }

  /* ===== Header & Nav ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(245, 248, 249, 0.96);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
  }

  .site-header.scrolled {
    background: rgba(245, 248, 249, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-header);
  }

  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 800;
    color: var(--dark);
    white-space: nowrap;
    flex-shrink: 0;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 4px 12px rgba(13, 168, 168, 0.25);
  }

  .main-nav {
    display: flex;
    gap: 28px;
    align-items: center;
    flex-shrink: 0;
  }

  .main-nav a {
    font-size: 15px;
    color: var(--dark);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    white-space: nowrap;
  }

  .main-nav a:hover {
    color: var(--primary);
  }

  .main-nav a.active {
    color: var(--primary);
    font-weight: 600;
  }

  .main-nav a.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 4px;
    border-radius: 2px;
    background: var(--primary);
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }

  .search-box {
    position: relative;
    width: 180px;
    transition: var(--transition);
  }

  .search-box input {
    width: 100%;
    height: 36px;
    border-radius: 18px;
    border: 1px solid transparent;
    background: #E8EEEF;
    padding: 0 14px 0 36px;
    font-size: 14px;
    color: var(--text);
    outline: none;
    transition: var(--transition);
  }

  .search-box input:focus {
    width: 220px;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(13, 168, 168, 0.15);
  }

  .search-box input::placeholder {
    color: #9AA7A7;
  }

  .search-box i {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-sub);
    font-size: 14px;
    pointer-events: none;
  }

  .btn-login {
    height: 32px;
    padding: 0 16px;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    background: transparent;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
  }

  .btn-login:hover {
    background: var(--primary);
    color: #fff;
  }

  .btn-start {
    height: 38px;
    padding: 0 24px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 19px;
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(255, 138, 92, 0.2);
  }

  .btn-start:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 138, 92, 0.3);
  }

  .nav-toggle {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
    flex-shrink: 0;
    padding: 8px;
  }

  .nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--dark);
    margin-bottom: 5px;
    border-radius: 2px;
    transition: var(--transition);
  }

  .nav-toggle span:last-child {
    margin-bottom: 0;
  }

  /* ===== Page Banner ===== */
  .page-banner {
    position: relative;
    background-position: center;
    background-size: cover;
    padding: 110px 0 90px;
    text-align: center;
  }

  .banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 35, 35, 0.82) 0%, rgba(15, 35, 35, 0.68) 100%);
    z-index: 0;
  }

  .page-banner .container {
    position: relative;
    z-index: 2;
    color: #fff;
  }

  .breadcrumb {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 20px;
    letter-spacing: 0.03em;
  }

  .breadcrumb a {
    color: rgba(255, 255, 255, 0.72);
  }

  .breadcrumb a:hover {
    color: #fff;
  }

  .breadcrumb span {
    margin: 0 10px;
    color: rgba(255, 255, 255, 0.4);
  }

  .page-banner h1 {
    font-size: 40px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
  }

  .page-banner .banner-desc {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.78);
    max-width: 640px;
    margin: 0 auto 32px;
  }

  .banner-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 30px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: 0;
    transition: var(--transition);
    line-height: 1;
  }

  .btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(255, 138, 92, 0.3);
  }

  .btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(255, 138, 92, 0.38);
  }

  .btn-outline-light {
    border: 1.5px solid rgba(255, 255, 255, 0.7);
    color: #fff;
    background: transparent;
  }

  .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: #fff;
  }

  .btn-outline {
    border: 1.5px solid var(--primary);
    color: var(--primary);
    background: #fff;
  }

  .btn-outline:hover {
    background: var(--primary);
    color: #fff;
  }

  .btn-cta {
    background: #fff;
    color: var(--primary-dark);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.14);
  }

  .btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
  }

  /* ===== Trust Bar ===== */
  .trust-bar {
    margin-top: -40px;
    position: relative;
    z-index: 5;
    padding-bottom: 24px;
  }

  .trust-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 32px 24px;
  }

  .trust-list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 0;
    list-style: none;
  }

  .trust-item {
    text-align: center;
    flex: 1;
    min-width: 140px;
    padding: 8px 12px;
    position: relative;
  }

  .trust-item + .trust-item::before {
    content: '';
    position: absolute;
    left: -2px;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background: var(--border);
  }

  .trust-item .num {
    font-size: 30px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
  }

  .trust-item .num span {
    color: var(--primary);
    font-size: 18px;
    font-weight: 700;
    margin-left: 1px;
  }

  .trust-item .label {
    font-size: 13px;
    color: var(--text-sub);
    margin-top: 4px;
  }

  /* ===== Capabilities ===== */
  .capabilities-section {
    background: var(--white);
    border-bottom: 1px solid var(--border);
  }

  .feature-item {
    padding: 28px 24px;
    border-radius: var(--radius-md);
    background: var(--bg);
    border: 1px solid var(--border);
    height: 100%;
    transition: var(--transition);
  }

  .feature-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    background: #fff;
  }

  .feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(13, 168, 168, 0.12);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
  }

  .feature-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
  }

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

  /* ===== Scenarios ===== */
  .scenarios-section {
    background: var(--bg);
  }

  .scenario-card {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: 28px;
    transition: var(--transition);
  }

  .scenario-card:hover {
    box-shadow: var(--shadow-md);
  }

  .scenario-card:nth-child(even) {
    flex-direction: row-reverse;
  }

  .scenario-media {
    flex: 1;
    min-height: 300px;
    overflow: hidden;
  }

  .scenario-media img {
    width: 100%;
    height: 100%;
    min-height: 300px;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

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

  .scenario-body {
    flex: 1;
    padding: 44px;
  }

  .scenario-body .tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(13, 168, 168, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 14px;
  }

  .scenario-body h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
  }

  .scenario-body p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
    margin-bottom: 16px;
  }

  .text-link {
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .text-link:hover {
    color: var(--primary-dark);
    gap: 10px;
  }

  /* ===== Process ===== */
  .process-section {
    background: var(--dark);
    position: relative;
    overflow: hidden;
  }

  .process-section .section-head h2 {
    color: #fff;
  }

  .process-section .section-head p {
    color: rgba(255, 255, 255, 0.6);
  }

  .process-section::before {
    content: '';
    position: absolute;
    right: -120px;
    top: -120px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(13, 168, 168, 0.12);
  }

  .process-steps {
    display: flex;
    gap: 24px;
    position: relative;
    flex-wrap: wrap;
  }

  .process-step {
    flex: 1;
    min-width: 220px;
    text-align: center;
    position: relative;
    padding: 24px 16px 0;
  }

  .process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 46px;
    left: calc(50% + 42px);
    width: calc(100% - 84px);
    height: 2px;
    background: rgba(255, 255, 255, 0.14);
  }

  .step-num {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 0 0 6px rgba(13, 168, 168, 0.15);
    position: relative;
    z-index: 2;
  }

  .process-step h3 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
  }

  .process-step p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.68);
    line-height: 1.7;
  }

  /* ===== Cases ===== */
  .cases-section {
    background: var(--white);
  }

  .case-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
  }

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

  .case-image {
    height: 210px;
    overflow: hidden;
  }

  .case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .case-card:hover .case-image img {
    transform: scale(1.04);
  }

  .case-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .case-content h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
  }

  .case-content p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
  }

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

  .case-tags span {
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(13, 168, 168, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
  }

  /* ===== FAQ ===== */
  .faq-section {
    background: var(--bg);
  }

  .faq-list {
    max-width: 820px;
    margin: 0 auto;
  }

  .faq-item {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
  }

  .faq-item.open {
    box-shadow: var(--shadow-md);
  }

  .faq-question {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
  }

  .faq-question i {
    transition: transform 0.3s ease;
    color: var(--text-sub);
    font-size: 15px;
    flex-shrink: 0;
  }

  .faq-item.open .faq-question {
    color: var(--primary);
  }

  .faq-item.open .faq-question i {
    transform: rotate(45deg);
    color: var(--primary);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .faq-answer p {
    padding: 0 24px 22px;
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
  }

  /* ===== CTA ===== */
  .cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 64px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-banner::before {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.07);
    left: -60px;
    top: -60px;
  }

  .cta-banner::after {
    content: '';
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    right: -100px;
    bottom: -130px;
  }

  .cta-banner h2 {
    color: #fff;
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 12px;
  }

  .cta-banner p {
    color: rgba(255, 255, 255, 0.78);
    font-size: 15px;
    margin-bottom: 28px;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
    font-size: 14px;
  }

  .site-footer .logo {
    color: #fff;
  }

  .site-footer a {
    color: rgba(255, 255, 255, 0.72);
  }

  .site-footer a:hover {
    color: #fff;
  }

  .footer-brand p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
    margin: 16px 0 20px;
    max-width: 320px;
  }

  .footer-social {
    display: flex;
    gap: 10px;
  }

  .footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
  }

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

  .footer-col h5 {
    font-size: 15px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 16px;
  }

  .footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }

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

  .footer-col ul li a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.62);
    transition: var(--transition);
  }

  .footer-col ul li a:hover {
    color: var(--primary);
  }

  .footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.62);
    line-height: 1.7;
  }

  .footer-contact i {
    color: var(--primary);
    margin-top: 4px;
    font-size: 13px;
  }

  .footer-subscribe {
    display: flex;
    gap: 8px;
    margin-top: 18px;
  }

  .footer-subscribe input {
    flex: 1;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    padding: 0 14px;
    font-size: 13px;
    outline: none;
    transition: var(--transition);
  }

  .footer-subscribe input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.12);
  }

  .footer-subscribe input::placeholder {
    color: rgba(255, 255, 255, 0.4);
  }

  .footer-subscribe button {
    height: 40px;
    padding: 0 18px;
    border-radius: var(--radius-sm);
    border: 0;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
  }

  .footer-subscribe button:hover {
    background: var(--primary-dark);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 48px;
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
  }

  .footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
  }

  .footer-bottom a:hover {
    color: var(--primary);
  }

  /* ===== Responsive ===== */
  @media screen and (max-width: 1024px) {
    .main-nav {
      gap: 20px;
    }

    .search-box {
      width: 150px;
    }

    .search-box input:focus {
      width: 180px;
    }

    .nav-actions {
      gap: 8px;
    }

    .btn-start {
      padding: 0 18px;
    }
  }

  @media screen and (max-width: 768px) {
    .container {
      padding: 0 16px;
    }

    .section {
      padding: 48px 0;
    }

    .site-header .nav-wrap {
      height: 64px;
    }

    .nav-toggle {
      display: block;
    }

    .main-nav {
      display: none;
      position: absolute;
      top: 64px;
      left: 0;
      right: 0;
      background: #fff;
      flex-direction: column;
      align-items: flex-start;
      gap: 0;
      padding: 16px 24px;
      box-shadow: 0 20px 40px rgba(15, 35, 35, 0.12);
      border-radius: 0 0 var(--radius-md) var(--radius-md);
      z-index: 1000;
    }

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

    .main-nav a {
      padding: 14px 0;
      font-size: 16px;
      width: 100%;
      border-bottom: 1px solid var(--border);
    }

    .main-nav a:last-child {
      border-bottom: 0;
    }

    .main-nav a.active::after {
      content: '';
      position: absolute;
      left: 0;
      right: auto;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 24px;
      border-radius: 2px;
    }

    .nav-actions {
      gap: 6px;
    }

    .search-box {
      width: 36px;
    }

    .search-box input {
      width: 36px;
      padding: 0 0 0 30px;
      font-size: 0;
    }

    .search-box input:focus {
      width: 36px;
      border-color: transparent;
      box-shadow: none;
    }

    .search-box.expanded {
      position: absolute;
      right: 70px;
      top: 50%;
      transform: translateY(-50%);
      width: calc(100vw - 120px);
      background: #fff;
      z-index: 10;
    }

    .search-box.expanded input {
      width: 100%;
      font-size: 14px;
      padding: 0 14px 0 34px;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(13, 168, 168, 0.15);
    }

    .btn-start {
      height: 34px;
      padding: 0 16px;
      font-size: 13px;
    }

    .btn-login {
      height: 30px;
      padding: 0 12px;
      font-size: 13px;
    }

    .page-banner {
      padding: 80px 0 64px;
    }

    .page-banner h1 {
      font-size: 28px;
    }

    .page-banner .banner-desc {
      font-size: 14px;
    }

    .trust-bar {
      margin-top: -24px;
    }

    .trust-card {
      padding: 20px 16px;
    }

    .trust-list {
      justify-content: space-around;
    }

    .trust-item {
      min-width: 120px;
      padding: 8px 4px;
    }

    .trust-item .num {
      font-size: 24px;
    }

    .trust-item .label {
      font-size: 12px;
    }

    .trust-item + .trust-item::before {
      display: none;
    }

    .scenario-card,
    .scenario-card:nth-child(even) {
      flex-direction: column;
    }

    .scenario-media {
      width: 100%;
      min-height: 220px;
    }

    .scenario-media img {
      min-height: 220px;
    }

    .scenario-body {
      padding: 28px 24px;
    }

    .process-steps {
      gap: 0;
    }

    .process-step {
      min-width: 100%;
      text-align: left;
      padding: 16px 0 16px 56px;
    }

    .process-step:not(:last-child)::after {
      top: auto;
      bottom: -8px;
      left: 30px;
      width: 2px;
      height: 16px;
    }

    .step-num {
      position: absolute;
      left: 0;
      top: 16px;
      margin: 0;
      width: 44px;
      height: 44px;
      font-size: 16px;
    }

    .process-step h3 {
      font-size: 15px;
    }

    .process-step p {
      font-size: 13px;
    }

    .section-head h2 {
      font-size: 22px;
    }

    .section-head p {
      font-size: 14px;
    }

    .cta-banner h2 {
      font-size: 22px;
    }

    .cta-banner p {
      font-size: 14px;
    }

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

    .footer-subscribe {
      flex-direction: column;
    }
  }

  @media screen and (max-width: 520px) {
    .page-banner h1 {
      font-size: 24px;
    }

    .banner-actions .btn {
      width: 100%;
      max-width: 280px;
    }

    .trust-card {
      padding: 16px 12px;
    }

    .trust-item {
      min-width: 46%;
    }

    .trust-item .num {
      font-size: 22px;
    }

    .case-image {
      height: 180px;
    }

    .case-content {
      padding: 20px 16px;
    }

    .scenario-body {
      padding: 24px 16px;
    }

    .scenario-body h3 {
      font-size: 19px;
    }

    .btn-start {
      padding: 0 12px;
    }

    .btn-login {
      display: none;
    }
  }

/* roulang page: article */
:root {
    --primary: #0DA8A8;
    --primary-dark: #0B7F7F;
    --secondary: #FF8A5C;
    --secondary-dark: #EA7444;
    --ink: #0F2323;
    --bg: #F5F8F9;
    --white: #FFFFFF;
    --accent: #FFD166;
    --text-secondary: #5A6B6B;
    --border: rgba(15,35,35,0.08);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --radius-pill: 24px;
    --shadow-sm: 0 2px 10px rgba(15,35,35,0.05);
    --shadow-lg: 0 10px 30px rgba(15,35,35,0.12);
    --transition: all 0.25s ease;
    --header-h: 72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:15px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.row{max-width:1200px;margin:0 auto}

/* 按钮 */
.btn{
    display:inline-flex;align-items:center;justify-content:center;
    min-height:44px;padding:12px 28px;border-radius:var(--radius-pill);
    font-weight:600;font-size:15px;line-height:1;border:none;cursor:pointer;
    transition:var(--transition);text-decoration:none;gap:8px;
}
.btn-orange{background:var(--secondary);color:#fff}
.btn-orange:hover{background:var(--secondary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,138,92,.35)}
.btn-orange:active{transform:translateY(0);box-shadow:none}
.btn-orange:focus-visible{outline:3px solid rgba(255,138,92,.4);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(13,168,168,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-white{background:#fff;color:var(--primary)}
.btn-white:hover{background:#f0fbfb;color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.12)}
.btn-ghost{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-sm{min-height:36px;padding:8px 18px;font-size:14px}

/* 顶部导航 */
.site-header{
    position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:1000;
    background:rgba(245,248,249,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--border);transition:box-shadow .3s ease,background .3s ease;
}
.site-header.scrolled{box-shadow:0 1px 8px rgba(15,35,35,0.08);background:rgba(245,248,249,0.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);text-decoration:none;white-space:nowrap}
.logo-icon{
    width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#0DA8A8,#0B7F7F);
    display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex-shrink:0;
    box-shadow:0 4px 12px rgba(13,168,168,.25);
}
.logo-accent{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto;padding:0 16px}
.main-nav a{
    position:relative;padding:10px 16px;font-size:15px;font-weight:600;color:var(--ink);
    text-decoration:none;border-radius:8px;transition:var(--transition);white-space:nowrap;
}
.main-nav a:hover{color:var(--primary);background:rgba(13,168,168,.06)}
.main-nav a.active{color:var(--primary)}
.main-nav a.active::after{
    content:'';position:absolute;left:50%;transform:translateX(-50%);bottom:0;
    width:20px;height:4px;border-radius:4px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:14px}
.search-box{
    display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);
    border-radius:16px;padding:8px 14px;width:180px;transition:var(--transition);
}
.search-box i{color:var(--text-secondary);font-size:14px}
.search-box input{border:none;outline:none;background:transparent;width:100%;font-size:14px;color:var(--ink)}
.search-box:focus-within{width:220px;border-color:var(--primary);box-shadow:0 0 0 3px rgba(13,168,168,.1)}
.btn-login{
    padding:8px 20px;border-radius:24px;border:1.5px solid var(--primary);color:var(--primary);
    font-weight:600;font-size:14px;background:transparent;text-decoration:none;transition:var(--transition);
}
.btn-login:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.btn-start{
    padding:10px 24px;border-radius:24px;background:var(--secondary);color:#fff;font-weight:600;
    font-size:14px;text-decoration:none;transition:var(--transition);min-height:38px;display:inline-flex;align-items:center;
}
.btn-start:hover{background:var(--secondary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 6px 18px rgba(255,138,92,.35)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;border-radius:8px}
.hamburger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:var(--transition)}
.hamburger:hover span{background:var(--primary)}

/* 面包屑 */
.breadcrumb-wrap{
    margin-top:var(--header-h);padding:22px 0;background:linear-gradient(135deg,#EFF8F8,rgba(13,168,168,.05));
    border-bottom:1px solid var(--border);
}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-secondary);flex-wrap:wrap}
.breadcrumb a{color:var(--text-secondary);text-decoration:none}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(15,35,35,.3)}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章主体 */
.article-layout{padding:48px 0 72px;background:var(--bg)}
.article-main{
    background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
    padding:40px 44px;border:1px solid var(--border);
}
.article-title{font-size:1.8rem;font-weight:800;line-height:1.35;color:var(--ink);margin-bottom:16px}
.article-meta{
    display:flex;flex-wrap:wrap;gap:20px;padding:14px 0 22px;border-bottom:1px solid var(--border);
    margin-bottom:28px;font-size:13px;color:var(--text-secondary);
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{color:var(--primary);font-size:14px}

.article-body{color:#2B3D3D;font-size:15px;line-height:1.9}
.article-body p{margin-bottom:1.2em}
.article-body h2{font-size:1.4rem;font-weight:700;color:var(--ink);margin:1.6em 0 .6em;line-height:1.4}
.article-body h3{font-size:1.15rem;font-weight:600;color:var(--ink);margin:1.4em 0 .5em;line-height:1.4}
.article-body h4{font-size:1rem;font-weight:600;color:var(--ink);margin:1.2em 0 .4em}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-dark)}
.article-body blockquote{
    border-left:4px solid var(--primary);background:rgba(13,168,168,.06);
    padding:18px 22px;border-radius:0 12px 12px 0;margin:1.5em 0;color:var(--text-secondary);
    font-size:14.5px;
}
.article-body blockquote p{margin-bottom:.4em}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{
    background:rgba(15,35,35,.06);border-radius:4px;padding:2px 8px;font-size:13px;
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#C7254E;
}
.article-body pre{
    background:var(--ink);color:#E8F0F0;border-radius:12px;padding:20px;overflow-x:auto;margin:1.5em 0;
    font-size:13px;line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body img{border-radius:12px;box-shadow:var(--shadow-sm);margin:1.5em auto}
.article-body ul,.article-body ol{margin:1em 0 1.2em;padding-left:22px}
.article-body ul li{list-style:disc;margin-bottom:.4em}
.article-body ol li{list-style:decimal;margin-bottom:.4em}
.article-body ul li::marker{color:var(--primary)}
.article-body ol li::marker{color:var(--primary);font-weight:600}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:14px}
.article-body th{background:rgba(13,168,168,.08);font-weight:600;padding:12px;text-align:left;border:1px solid var(--border)}
.article-body td{padding:12px;border:1px solid var(--border)}
.article-body hr{border:none;border-top:1px solid var(--border);margin:2em 0}

.article-footer-actions{margin-top:36px;padding-top:28px;border-top:1px solid var(--border)}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;align-items:center}
.article-tags .tag-label{font-size:14px;color:var(--text-secondary);font-weight:600;margin-right:4px}
.tag{
    display:inline-flex;align-items:center;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:500;
    background:rgba(13,168,168,.1);color:var(--primary);text-decoration:none;transition:var(--transition);
}
.tag:hover{background:var(--primary);color:#fff}
.article-nav-links{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.article-not-found{text-align:center;padding:60px 20px 40px}
.article-not-found i{font-size:48px;color:rgba(13,168,168,.4);margin-bottom:16px}
.article-not-found p{font-size:16px;color:var(--text-secondary);margin-bottom:24px}

/* 相关推荐 */
.related-posts{margin-top:48px}
.related-posts .section-title{font-size:1.4rem;font-weight:700;color:var(--ink);margin-bottom:24px;display:flex;align-items:center;gap:12px}
.related-posts .section-title::before{content:'';width:4px;height:24px;border-radius:4px;background:var(--primary)}
.related-card{
    background:var(--white);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden;
    border:1px solid var(--border);transition:var(--transition);height:100%;display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.related-card .card-img{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EAF2F2}
.related-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .card-img img{transform:scale(1.05)}
.related-card .card-content{padding:18px 20px;flex:1;display:flex;flex-direction:column;gap:8px}
.related-card .card-category{font-size:12px;font-weight:600;color:var(--primary);letter-spacing:.04em}
.related-card h4{font-size:15px;font-weight:600;line-height:1.5;color:var(--ink)}
.related-card h4 a{color:inherit;text-decoration:none}
.related-card h4 a:hover{color:var(--primary)}

/* 侧边栏 */
.article-sidebar{position:sticky;top:calc(var(--header-h) + 20px);display:flex;flex-direction:column;gap:24px}
.sidebar-card{
    background:var(--white);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);
    border:1px solid var(--border);padding:26px 24px;
}
.sidebar-title{
    font-size:17px;font-weight:700;color:var(--ink);margin-bottom:20px;display:flex;align-items:center;gap:10px;
}
.sidebar-title::before{content:'';width:4px;height:20px;border-radius:4px;background:var(--primary)}
.author-card{text-align:center;padding:32px 24px}
.author-avatar{
    width:80px;height:80px;border-radius:50%;overflow:hidden;margin:0 auto 16px;border:3px solid rgba(13,168,168,.25);
    box-shadow:0 4px 16px rgba(13,168,168,.15);
}
.author-avatar img{width:100%;height:100%;object-fit:cover}
.author-card h4{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px}
.author-card p{font-size:13.5px;color:var(--text-secondary);line-height:1.7;margin-bottom:18px}
.sidebar-cats li{border-bottom:1px solid var(--border);padding:12px 0}
.sidebar-cats li:last-child{border-bottom:none;padding-bottom:0}
.sidebar-cats li:first-child{padding-top:0}
.sidebar-cats a{display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-size:14.5px;font-weight:500;text-decoration:none;padding:4px 6px;border-radius:6px;transition:var(--transition)}
.sidebar-cats a:hover{color:var(--primary);background:rgba(13,168,168,.06);padding-left:12px}
.sidebar-cats .count{font-size:12px;color:var(--text-secondary);background:rgba(13,168,168,.08);padding:2px 10px;border-radius:999px;font-weight:600}
.sidebar-hot li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);align-items:flex-start}
.sidebar-hot li:last-child{border-bottom:none}
.sidebar-hot .num{font-size:14px;font-weight:800;color:var(--primary);line-height:1.5;min-width:22px;font-style:italic}
.sidebar-hot a{color:var(--ink);font-size:14px;line-height:1.5;text-decoration:none;transition:var(--transition);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sidebar-hot a:hover{color:var(--primary)}
.sidebar-tags{display:flex;flex-wrap:wrap;gap:10px}
.sidebar-tags .tag{background:rgba(13,168,168,.08);font-size:13px;padding:6px 16px;border-radius:999px;color:var(--primary);font-weight:500;text-decoration:none;transition:var(--transition);border:1px solid rgba(13,168,168,.1)}
.sidebar-tags .tag:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}

/* CTA 横幅 */
.cta-banner{
    background:linear-gradient(135deg,#0DA8A8 0%,#0B7F7F 100%);padding:56px 0;position:relative;overflow:hidden;
}
.cta-banner::before{
    content:'';position:absolute;top:-60px;right:-60px;width:220px;height:220px;border-radius:50%;
    background:rgba(255,255,255,.08);pointer-events:none;
}
.cta-banner::after{
    content:'';position:absolute;bottom:-40px;left:-40px;width:140px;height:140px;border-radius:50%;
    background:rgba(255,255,255,.06);pointer-events:none;
}
.cta-inner{text-align:center;position:relative;z-index:2}
.cta-inner h2{color:#fff;font-size:26px;font-weight:800;margin-bottom:10px;line-height:1.4}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;margin-bottom:28px}
.cta-inner .btn{box-shadow:0 8px 24px rgba(0,0,0,.12)}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.75);padding:60px 0 0}
.footer-main{padding-bottom:40px}
.footer-brand .logo{margin-bottom:16px;color:#fff}
.footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:20px;max-width:320px}
.footer-social{display:flex;gap:12px}
.footer-social a{
    width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.25);
    display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);
    text-decoration:none;transition:var(--transition);font-size:14px;
}
.footer-social a:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.footer-col h5{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{color:rgba(255,255,255,.6);font-size:13.5px;text-decoration:none;transition:var(--transition)}
.footer-col ul a:hover{color:#fff;padding-left:4px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.6}
.footer-contact i{color:var(--primary);margin-top:4px;font-size:14px;min-width:16px}
.footer-subscribe{display:flex;gap:10px;margin-top:20px}
.footer-subscribe input{
    flex:1;height:42px;border-radius:8px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
    padding:0 14px;color:#fff;font-size:13px;outline:none;transition:var(--transition);min-width:0;
}
.footer-subscribe input::placeholder{color:rgba(255,255,255,.4)}
.footer-subscribe input:focus{border-color:var(--primary);background:rgba(255,255,255,.12)}
.footer-subscribe button{
    height:42px;padding:0 22px;border-radius:8px;border:none;background:var(--primary);color:#fff;
    font-weight:600;font-size:13px;cursor:pointer;transition:var(--transition);white-space:nowrap;
}
.footer-subscribe button:hover{background:var(--primary-dark)}
.footer-bottom{
    padding:22px 0;border-top:1px solid rgba(255,255,255,.1);display:flex;gap:20px;flex-wrap:wrap;
    font-size:12.5px;color:rgba(255,255,255,.4);justify-content:center;align-items:center;
}
.footer-bottom a{color:rgba(255,255,255,.4);text-decoration:none}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media (max-width:1024px){
    .search-box{display:none}
    .main-nav{gap:0}
    .main-nav a{padding:10px 12px}
    .article-main{padding:34px 28px}
}
@media (max-width:768px){
    .header-inner{gap:12px}
    .main-nav{
        position:fixed;top:var(--header-h);left:0;right:0;background:rgba(245,248,249,.98);
        flex-direction:column;padding:16px 24px;display:none;box-shadow:0 12px 30px rgba(15,35,35,.12);
        backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);
    }
    .main-nav.open{display:flex}
    .main-nav a{padding:14px 8px;width:100%;border-radius:10px;text-align:left}
    .main-nav a.active{background:rgba(13,168,168,.08)}
    .main-nav a.active::after{display:none}
    .header-actions .btn-login{display:none}
    .hamburger{display:flex}
    .article-layout{padding:32px 0 56px}
    .article-main{padding:28px 20px;border-radius:12px}
    .article-title{font-size:1.45rem}
    .article-meta{gap:12px}
    .article-sidebar{position:static;margin-top:32px}
    .cta-inner h2{font-size:22px}
    .footer-main{padding-bottom:28px}
}
@media (max-width:520px){
    .breadcrumb-wrap{padding:16px 0}
    .breadcrumb .current{max-width:180px}
    .article-main{padding:22px 16px}
    .article-body{font-size:14.5px}
    .article-body h2{font-size:1.25rem}
    .article-tags{gap:8px}
    .footer-subscribe{flex-direction:column}
    .footer-subscribe button{width:100%}
    .footer-bottom{flex-direction:column;gap:8px;text-align:center}
    .cta-inner h2{font-size:19px}
    .cta-inner p{font-size:14px}
}

/* roulang page: category2 */
:root {
    --primary: #0DA8A8;
    --primary-dark: #0B7F7F;
    --primary-light: #E6F7F7;
    --accent: #FF8A5C;
    --accent-dark: #EA7444;
    --dark: #0F2323;
    --bg: #F5F8F9;
    --white: #FFFFFF;
    --text: #5A6B6B;
    --text-dark: #0F2323;
    --border: rgba(15, 35, 35, 0.08);
    --shadow-sm: 0 2px 10px rgba(15, 35, 35, 0.05);
    --shadow-md: 0 10px 30px rgba(15, 35, 35, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-pill: 999px;
    --transition: all 0.25s ease;
    --container: 1200px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text-dark);
    line-height: 1.75;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
  }

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

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

  a:hover {
    color: var(--primary-dark);
  }

  ul, ol {
    list-style: none;
  }

  button, input {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
  }

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

  /* ===== Buttons ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
    min-height: 44px;
    text-decoration: none;
    border: 1.5px solid transparent;
  }

  .btn-primary {
    background: var(--accent);
    color: #fff;
  }
  .btn-primary:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(255, 138, 92, 0.3);
  }
  .btn-primary:active {
    background: #D9663A;
    transform: translateY(0);
  }
  .btn-primary:focus-visible {
    box-shadow: 0 0 0 3px rgba(13, 168, 168, 0.35);
  }

  .btn-outline {
    background: var(--white);
    border-color: var(--primary);
    color: var(--primary);
  }
  .btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(13, 168, 168, 0.2);
  }
  .btn-outline:active {
    background: var(--primary-dark);
    transform: translateY(0);
  }

  .btn-white {
    background: var(--white);
    color: var(--primary);
  }
  .btn-white:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  }

  .btn-sm {
    padding: 8px 20px;
    min-height: 38px;
    font-size: 14px;
  }

  .btn-lg {
    padding: 15px 40px;
    font-size: 16px;
  }

  /* ===== Header / Nav ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 1px 8px rgba(15, 35, 35, 0.06);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition);
    border-bottom: 1px solid var(--border);
  }

  .site-header.scrolled {
    background: rgba(245, 248, 249, 0.92);
    box-shadow: 0 1px 8px rgba(15, 35, 35, 0.08);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
  }

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

  .logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #0DA8A8 0%, #0B7F7F 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
  }

  .logo-text {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: 0.01em;
    white-space: nowrap;
  }

  .logo-accent {
    color: var(--primary);
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    flex: 1;
    justify-content: center;
  }

  .main-nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 2px;
    position: relative;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s ease;
  }

  .main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    border-radius: 3px;
    background: var(--primary);
    opacity: 0;
    transform: scaleX(0.3);
    transition: var(--transition);
  }

  .main-nav a:hover {
    color: var(--primary);
  }

  .main-nav a.active {
    color: var(--primary);
    font-weight: 600;
  }

  .main-nav a.active::after {
    opacity: 1;
    transform: scaleX(1);
  }

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

  .search-box {
    position: relative;
    display: flex;
    align-items: center;
  }

  .search-box input {
    width: 180px;
    height: 38px;
    padding: 0 40px 0 16px;
    border-radius: var(--radius-pill);
    background: #EEF3F4;
    border: 1px solid transparent;
    font-size: 13px;
    color: var(--text-dark);
    transition: var(--transition);
  }

  .search-box input:focus {
    width: 220px;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(13, 168, 168, 0.1);
  }

  .search-box i {
    position: absolute;
    right: 14px;
    color: #9AA8A8;
    font-size: 13px;
    pointer-events: none;
  }

  .nav-toggle {
    display: none;
    background: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    border-radius: var(--radius-sm);
  }

  .nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
  }

  /* ===== Page Hero ===== */
  .page-hero {
    position: relative;
    padding: 80px 0 96px;
    background: linear-gradient(135deg, rgba(15, 35, 35, 0.85), rgba(13, 168, 168, 0.7)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    color: #fff;
    text-align: center;
    overflow: hidden;
  }

  .page-hero::before {
    content: "";
    position: absolute;
    top: 20%;
    right: -80px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    pointer-events: none;
  }

  .page-hero::after {
    content: "";
    position: absolute;
    bottom: -60px;
    left: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(13, 168, 168, 0.25);
    pointer-events: none;
  }

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

  .breadcrumb {
    display: flex;
    justify-content: center;
    gap: 6px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 18px;
  }

  .breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
  }

  .breadcrumb a:hover {
    color: var(--accent);
  }

  .breadcrumb span {
    color: rgba(255, 255, 255, 0.5);
  }

  .page-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: #fff;
  }

  .page-hero p.lead {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 680px;
    margin: 0 auto 32px;
    line-height: 1.8;
  }

  .hero-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }

  .hero-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 52px;
    flex-wrap: wrap;
  }

  .hero-stats .stat {
    text-align: center;
  }

  .hero-stats .stat strong {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
  }

  .hero-stats .stat span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
  }

  /* ===== Section ===== */
  .section {
    padding: 72px 0;
  }

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

  .section-header {
    text-align: center;
    max-width: 620px;
    margin: 0 auto 48px;
  }

  .section-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 12px;
  }

  .section-header p {
    font-size: 14px;
    color: var(--text);
    line-height: 1.7;
  }

  .section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    margin-bottom: 12px;
    letter-spacing: 0.05em;
  }

  /* ===== Feature Cards ===== */
  .feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 28px 26px;
    height: 100%;
    transition: var(--transition);
    border: 1px solid transparent;
  }

  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(13, 168, 168, 0.15);
  }

  .feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
  }

  .feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
  }

  .feature-card p {
    font-size: 13px;
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 0;
  }

  /* ===== Process ===== */
  .process-wrap {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    padding: 8px 0;
  }

  .process-step {
    display: flex;
    gap: 20px;
    position: relative;
    padding-bottom: 36px;
  }

  .process-step:last-child {
    padding-bottom: 0;
  }

  .process-step::before {
    content: "";
    position: absolute;
    left: 25px;
    top: 62px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), rgba(13, 168, 168, 0.15));
  }

  .process-step:last-child::before {
    display: none;
  }

  .process-num {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(13, 168, 168, 0.3);
  }

  .process-content {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    flex: 1;
    box-shadow: var(--shadow-sm);
  }

  .process-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
  }

  .process-content p {
    font-size: 13px;
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 0;
  }

  /* ===== Scene Cards ===== */
  .scene-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    height: 100%;
    transition: var(--transition);
  }

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

  .scene-img {
    height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
  }

  .scene-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(15, 35, 35, 0.15));
  }

  .scene-body {
    padding: 22px 24px 26px;
  }

  .scene-body h3 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
  }

  .scene-body p {
    font-size: 13px;
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 0;
  }

  /* ===== Case Cards ===== */
  .case-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    height: 100%;
    transition: var(--transition);
  }

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

  .case-media {
    position: relative;
    height: 220px;
    background-size: cover;
    background-position: center;
  }

  .case-media .case-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    box-shadow: 0 2px 8px rgba(15, 35, 35, 0.08);
  }

  .case-body {
    padding: 22px 24px 28px;
  }

  .case-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
  }

  .case-body p {
    font-size: 13px;
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 14px;
  }

  .case-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
  }

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

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

  .faq-item:hover {
    border-color: rgba(13, 168, 168, 0.15);
  }

  .faq-item.active {
    box-shadow: var(--shadow-md);
  }

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    min-height: 54px;
    user-select: none;
  }

  .faq-question .faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    transition: var(--transition);
    font-style: normal;
    font-weight: 600;
  }

  .faq-item.active .faq-icon {
    background: var(--primary);
    color: #fff;
    transform: rotate(45deg);
  }

  .faq-answer {
    padding: 0 22px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
  }

  .faq-answer p {
    font-size: 13px;
    color: var(--text);
    line-height: 1.7;
    padding-bottom: 20px;
    margin-bottom: 0;
  }

  .faq-item.active .faq-answer {
    max-height: 300px;
    padding-top: 0;
  }

  /* ===== CTA ===== */
  .cta-banner {
    background: linear-gradient(135deg, #0DA8A8 0%, #0B7F7F 100%);
    padding: 64px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-banner::before {
    content: "";
    position: absolute;
    top: -60px;
    right: 10%;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
  }

  .cta-banner::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: 8%;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
  }

  .cta-banner .container {
    position: relative;
    z-index: 2;
  }

  .cta-banner h2 {
    font-size: 1.7rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.4;
    margin-bottom: 12px;
  }

  .cta-banner p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 30px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 56px 0 24px;
  }

  .site-footer .row {
    margin-bottom: 28px;
  }

  .footer-brand .logo {
    margin-bottom: 14px;
  }

  .footer-brand p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 18px;
    max-width: 280px;
  }

  .footer-social {
    display: flex;
    gap: 10px;
  }

  .footer-social a {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    transition: var(--transition);
    text-decoration: none;
  }

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

  .footer-col h5 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
  }

  .footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }

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

  .footer-col ul a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    text-decoration: none;
    transition: var(--transition);
  }

  .footer-col ul a:hover {
    color: var(--primary);
  }

  .footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 10px;
  }

  .footer-contact i {
    color: var(--primary);
    font-size: 12px;
  }

  .footer-subscribe {
    display: flex;
    gap: 8px;
    margin-top: 18px;
  }

  .footer-subscribe input {
    flex: 1;
    height: 40px;
    padding: 0 14px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 13px;
    transition: var(--transition);
  }

  .footer-subscribe input::placeholder {
    color: rgba(255, 255, 255, 0.4);
  }

  .footer-subscribe input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.12);
  }

  .footer-subscribe button {
    height: 40px;
    padding: 0 22px;
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
  }

  .footer-subscribe button:hover {
    background: var(--primary-dark);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
  }

  .footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
  }

  .footer-bottom a:hover {
    color: var(--primary);
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .header-inner {
      gap: 16px;
    }
    .search-box input {
      width: 140px;
    }
    .search-box input:focus {
      width: 170px;
    }
    .main-nav {
      gap: 18px;
    }
  }

  @media (max-width: 768px) {
    .section {
      padding: 48px 0;
    }
    .page-hero {
      padding: 56px 0 64px;
    }
    .page-hero h1 {
      font-size: 1.8rem;
    }
    .header-inner {
      height: 64px;
    }
    .logo-text {
      font-size: 16px;
    }
    .main-nav {
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      background: var(--white);
      flex-direction: column;
      align-items: flex-start;
      padding: 16px 24px 24px;
      gap: 6px;
      box-shadow: 0 8px 24px rgba(15, 35, 35, 0.1);
      transform: translateY(-120%);
      transition: transform 0.3s ease;
      z-index: 999;
      border-bottom: 1px solid var(--border);
    }
    .main-nav.open {
      transform: translateY(0);
    }
    .main-nav a {
      width: 100%;
      padding: 10px 0;
      border-bottom: 1px solid rgba(15, 35, 35, 0.04);
      font-size: 15px;
    }
    .main-nav a::after {
      display: none;
    }
    .header-actions .search-box {
      display: none;
    }
    .nav-toggle {
      display: flex;
    }
    .header-actions .btn {
      display: none;
    }
    .hero-stats {
      gap: 20px;
      margin-top: 36px;
    }
    .hero-stats .stat strong {
      font-size: 22px;
    }
    .process-step {
      gap: 12px;
    }
    .process-num {
      width: 44px;
      height: 44px;
      font-size: 15px;
    }
    .process-step::before {
      left: 21px;
    }
    .cta-banner h2 {
      font-size: 1.35rem;
    }
  }

  @media (max-width: 520px) {
    .container {
      padding: 0 16px;
    }
    .page-hero {
      padding: 44px 0 52px;
    }
    .hero-btns .btn {
      padding: 10px 22px;
      font-size: 14px;
    }
    .section-header h2 {
      font-size: 1.45rem;
    }
    .feature-card {
      padding: 20px;
    }
    .process-content {
      padding: 16px 18px;
    }
    .footer-bottom {
      flex-direction: column;
      align-items: center;
      text-align: center;
    }
  }