/* roulang page: index */
:root {
  --primary: #0e3a5d;
  --primary-light: #1d6fa5;
  --primary-deep: #08243a;
  --accent: #c89b5e;
  --accent-light: #e0ba82;
  --accent-soft: #f6efe3;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #1a2733;
  --text-muted: #5f6f7e;
  --border: #e2e8ef;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(14, 58, 93, 0.06);
  --shadow: 0 6px 24px rgba(14, 58, 93, 0.08);
  --shadow-lg: 0 16px 44px rgba(14, 58, 93, 0.13);
  --transition: all 0.28s ease;
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
a {
  color: var(--primary-light);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--primary);
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1280px;
  margin: 0 auto;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.brand .brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.brand:hover {
  color: var(--primary-light);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav a {
  padding: 9px 20px;
  border-radius: 100px;
  font-weight: 500;
  color: var(--text);
  font-size: 15px;
  transition: var(--transition);
}
.main-nav a:hover {
  background: rgba(14,58,93,0.06);
  color: var(--primary);
}
.main-nav a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(14,58,93,0.25);
}
.header-btn {
  padding: 10px 24px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(200,155,94,0.35);
  transition: var(--transition);
  display: inline-block;
}
.header-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(200,155,94,0.45);
  color: #fff;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  cursor: pointer;
  position: relative;
  z-index: 101;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  margin: 5px auto;
  transition: var(--transition);
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 120px 0 110px;
  color: #fff;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(8,36,58,0.94) 15%, rgba(14,58,93,0.78) 55%, rgba(14,58,93,0.45) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}
.hero-content .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 7px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.4px;
  color: #e8edf3;
  margin-bottom: 28px;
}
.hero-content .hero-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-light);
}
.hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: 0.5px;
  margin-bottom: 22px;
  color: #fff;
}
.hero h1 .highlight {
  color: var(--accent-light);
  position: relative;
  display: inline-block;
}
.hero-desc {
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(255,255,255,0.86);
  margin-bottom: 34px;
  max-width: 540px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 34px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(200,155,94,0.4);
  transition: var(--transition);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(200,155,94,0.52);
  color: #fff;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 100px;
  background: transparent;
  color: #fff;
  font-weight: 500;
  font-size: 15px;
  border: 1.5px solid rgba(255,255,255,0.5);
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
  color: #fff;
}
.hero-metrics {
  display: flex;
  gap: 34px;
  flex-wrap: wrap;
}
.hero-metrics .metric-item {
  display: flex;
  flex-direction: column;
}
.hero-metrics .metric-num {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  letter-spacing: 0.5px;
}
.hero-metrics .metric-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.4px;
}
.hero-form-wrap {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 36px 34px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.3);
}
.hero-form-wrap h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  text-align: center;
}
.hero-form-wrap .form-sub {
  font-size: 14px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 26px;
}
.hero-form-wrap .form-group {
  margin-bottom: 16px;
}
.hero-form-wrap label {
  display: block;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}
.hero-form-wrap input,
.hero-form-wrap select,
.hero-form-wrap textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: #f9fbfc;
  transition: var(--transition);
  font-size: 15px;
  color: var(--text);
}
.hero-form-wrap input:focus,
.hero-form-wrap select:focus,
.hero-form-wrap textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 4px rgba(29,111,165,0.12);
  background: #fff;
}
.hero-form-wrap .form-submit {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 15.5px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 6px;
  box-shadow: 0 6px 20px rgba(14,58,93,0.28);
}
.hero-form-wrap .form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(14,58,93,0.35);
}
.hero-form-wrap .form-privacy {
  text-align: center;
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 14px;
}

/* ===== Section 通用 ===== */
.section {
  padding: 96px 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-label::before {
  content: '';
  width: 26px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}
.section-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 48px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.section-head .section-title,
.section-head .section-desc {
  margin-bottom: 0;
}

/* ===== About / KPI ===== */
.about-section {
  background: var(--surface);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 400px;
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-image .image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
  color: #fff;
  font-size: 14px;
  font-weight: 500;
}
.about-text .section-title {
  font-size: 32px;
}
.about-text p {
  margin-bottom: 20px;
  color: var(--text-muted);
}
.about-feature-list {
  list-style: none;
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.about-feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 12px 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}
.about-feature-list .icon {
  font-size: 18px;
}
.kpi-band {
  margin-top: 70px;
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  border-radius: var(--radius-lg);
  padding: 48px 50px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  color: #fff;
}
.kpi-item {
  text-align: center;
  padding: 10px 0;
}
.kpi-value {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  background: linear-gradient(135deg, #fff, var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.kpi-label {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-top: 6px;
  letter-spacing: 0.3px;
}
.kpi-divider {
  border-left: 1px solid rgba(255,255,255,0.15);
  margin: 14px 0;
}

/* ===== 资讯 News ===== */
.news-section {
  background: var(--bg);
}
.news-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 50px;
  align-items: start;
}
.news-list {
  list-style: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.news-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 26px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  text-decoration: none;
}
.news-list-item:last-child {
  border-bottom: none;
}
.news-list-item:hover {
  background: var(--accent-soft);
  padding-left: 30px;
}
.news-list-item .news-title {
  flex: 1;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}
.news-list-item:hover .news-title {
  color: var(--primary);
}
.news-list-item .news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.news-list-item .news-date {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}
.news-list-item .news-tag {
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
}
.news-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.news-recommend {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  box-shadow: var(--shadow-sm);
}
.news-recommend h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}
.news-recommend-list {
  list-style: none;
}
.news-recommend-list li {
  margin-bottom: 14px;
  padding-left: 16px;
  position: relative;
  font-size: 14.5px;
  line-height: 1.6;
}
.news-recommend-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.news-recommend-list a {
  color: var(--text);
  font-weight: 400;
  border-bottom: 1px dashed transparent;
}
.news-recommend-list a:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.news-highlight-card {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.news-highlight-card::after {
  content: '';
  position: absolute;
  right: -30px;
  top: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.news-highlight-card h4 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.news-highlight-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: 18px;
}
.news-highlight-card .btn-primary {
  padding: 10px 24px;
  font-size: 14px;
  background: #fff;
  color: var(--primary);
  box-shadow: none;
}
.news-highlight-card .btn-primary:hover {
  background: var(--accent-light);
  color: #fff;
}

/* ===== 服务 Services ===== */
.services-section {
  background: var(--surface);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--bg);
  padding: 38px 30px;
  border: 1px solid var(--border);
  transition: var(--transition);
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  background: var(--surface);
}
.service-card:hover::before {
  opacity: 1;
}
.service-card .service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-soft), #f0e3d0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 22px;
  border: 1px solid rgba(200,155,94,0.25);
}
.service-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}
.service-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ===== 流程 Process ===== */
.process-section {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: '';
  position: absolute;
  bottom: -160px;
  left: -80px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,155,94,0.12), transparent 70%);
}
.process-head {
  text-align: center;
  margin-bottom: 60px;
}
.process-head .section-label {
  justify-content: center;
}
.process-step-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
  position: relative;
  counter-reset: steps;
}
.process-step {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 40px 30px 34px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  counter-increment: steps;
}
.process-step::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  width: 60px;
  height: 60px;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(200,155,94,0.4);
  border: 4px solid var(--bg);
  content: counter(steps) '';
}
.process-step:nth-child(1)::before {
  content: '01';
}
.process-step:nth-child(2)::before {
  content: '02';
}
.process-step:nth-child(3)::before {
  content: '03';
}
.process-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.process-step h3 {
  font-size: 17px;
  font-weight: 700;
  text-align: center;
  margin-top: 18px;
  margin-bottom: 10px;
  color: var(--text);
}
.process-step p {
  font-size: 14.5px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.75;
}
.process-note {
  text-align: center;
  margin-top: 48px;
  font-size: 14.5px;
  color: var(--text-muted);
  background: var(--accent-soft);
  display: inline-block;
  padding: 12px 28px;
  border-radius: 100px;
  border: 1px dashed var(--accent);
}
.process-note-wrap {
  text-align: center;
}

/* ===== 品质保障 / 信任 ===== */
.trust-section {
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  padding: 90px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.trust-section::after {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.trust-section .section-title {
  color: #fff;
}
.trust-section .section-desc {
  color: rgba(255,255,255,0.7);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 50px;
}
.trust-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.trust-card:hover {
  background: rgba(255,255,255,0.13);
  transform: translateY(-5px);
  border-color: rgba(255,255,255,0.3);
}
.trust-card .trust-icon {
  font-size: 36px;
  margin-bottom: 18px;
  line-height: 1;
  color: var(--accent-light);
}
.trust-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}
.trust-card p {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--surface);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  background: var(--bg);
  transition: var(--transition);
  overflow: hidden;
}
.faq-item.active {
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  border-color: var(--primary-light);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  gap: 20px;
  transition: var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question .faq-toggle {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--accent);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-toggle {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  padding: 0;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 0;
}
.faq-answer-inner {
  padding: 0 28px 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
  border-top: 1px dashed var(--border);
  padding-top: 18px;
  margin: 0 28px 0;
  padding-right: 0;
  padding-left: 0;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--bg);
  padding: 60px 0;
}
.cta-card {
  background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-radius: var(--radius-lg);
  padding: 70px 80px;
  position: relative;
  text-align: center;
  color: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(14,58,93,0.93), rgba(14,58,93,0.72));
}
.cta-card .cta-content {
  position: relative;
  z-index: 2;
}
.cta-card h2 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 14px;
}
.cta-card p {
  font-size: 16px;
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-actions .btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
}
.cta-actions .btn-outline {
  border-color: rgba(255,255,255,0.6);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-deep);
  color: rgba(255,255,255,0.72);
  padding-top: 70px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.footer-logo .brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-col ul a {
  color: rgba(255,255,255,0.65);
  font-size: 14.5px;
  transition: var(--transition);
}
.footer-col ul a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}
.footer-contact p {
  font-size: 14px;
  line-height: 2;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-bottom a {
  color: rgba(255,255,255,0.55);
}
.footer-bottom a:hover {
  color: var(--accent-light);
}

/* ===== 浮动导航/响应式 ===== */
@media (max-width: 1024px) {
  .hero {
    padding: 80px 0 80px;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .hero-form-wrap {
    max-width: 480px;
    width: 100%;
    margin: 0 auto;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .about-image {
    height: 320px;
  }
  .kpi-band {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .process-step-list {
    grid-template-columns: 1fr;
    gap: 44px;
    max-width: 500px;
    margin: 0 auto;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .cta-card {
    padding: 50px 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}
@media (max-width: 768px) {
  body {
    font-size: 15px;
  }
  .container {
    padding: 0 20px;
  }
  .site-header {
    padding: 12px 0;
  }
  .header-inner {
    padding: 10px 20px;
  }
  .nav-toggle {
    display: block;
  }
  .main-nav {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: -100%;
    width: 78%;
    max-width: 340px;
    height: 100vh;
    background: var(--surface);
    padding: 90px 30px 30px;
    box-shadow: -20px 0 50px rgba(0,0,0,0.12);
    gap: 8px;
    transition: right 0.38s ease;
    z-index: 100;
    align-items: flex-start;
  }
  .main-nav.open {
    right: 0;
  }
  .main-nav a {
    display: block;
    width: 100%;
    padding: 13px 18px;
    font-size: 16px;
  }
  .main-nav a.active {
    border-radius: var(--radius-sm);
  }
  .header-btn {
    display: none;
  }
  .hero {
    padding: 60px 0 60px;
  }
  .hero h1 {
    font-size: 30px;
    line-height: 1.35;
  }
  .hero-desc {
    font-size: 15.5px;
  }
  .hero-metrics {
    gap: 20px;
  }
  .hero-metrics .metric-num {
    font-size: 24px;
  }
  .section {
    padding: 64px 0;
  }
  .section-title {
    font-size: 28px;
  }
  .section-desc {
    font-size: 15px;
    margin-bottom: 34px;
  }
  .about-feature-list {
    grid-template-columns: 1fr;
  }
  .kpi-band {
    padding: 36px 24px;
    gap: 20px;
  }
  .kpi-value {
    font-size: 32px;
  }
  .news-list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 18px 20px;
  }
  .news-list-item:hover {
    padding-left: 20px;
  }
  .process-step-list {
    gap: 50px;
  }
  .trust-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .trust-card {
    padding: 26px 20px;
  }
  .cta-card {
    padding: 42px 24px;
  }
  .cta-card h2 {
    font-size: 26px;
  }
  .cta-actions {
    flex-direction: column;
    gap: 12px;
  }
  .cta-actions .btn-primary,
  .cta-actions .btn-outline {
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-bottom {
    padding: 16px 0;
    font-size: 12.5px;
  }
}
@media (max-width: 520px) {
  .hero h1 {
    font-size: 25px;
  }
  .hero-form-wrap {
    padding: 26px 22px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline {
    justify-content: center;
  }
  .about-image {
    height: 240px;
  }
  .section-title {
    font-size: 24px;
  }
  .kpi-band {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .kpi-value {
    font-size: 28px;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .news-list-item .news-meta {
    gap: 8px;
    flex-wrap: wrap;
  }
  .process-step {
    padding: 34px 20px 28px;
  }
  .cta-card h2 {
    font-size: 22px;
  }
  .cta-card p {
    font-size: 14.5px;
  }
  .footer-grid {
    gap: 30px;
  }
}

/* roulang page: category1 */
:root {
    --primary: #1f6feb;
    --primary-dark: #1557b0;
    --primary-deep: #0f3f8a;
    --primary-light: #e8f1ff;
    --primary-lighter: #f4f8ff;
    --accent: #d99a2b;
    --accent-light: #fdf3e0;
    --bg: #f7f9fc;
    --surface: #ffffff;
    --text: #1e293b;
    --text-weak: #5b6b84;
    --border: #e3e9f2;
    --radius: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow: 0 10px 32px rgba(31, 111, 235, .08);
    --shadow-lg: 0 20px 48px rgba(31, 111, 235, .14);
    --transition: all .25s ease;
    --header-h: 76px;
    --container-w: 1180px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

body.no-scroll {
    overflow: hidden;
}

img {
    max-width: 100%;
    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, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

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

/* ========== 顶部导航 ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: var(--container-w);
    margin: 0 auto;
    height: var(--header-h);
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 28px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: .2px;
    color: var(--text);
    white-space: nowrap;
    min-width: 0;
}

.brand-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
    box-shadow: 0 0 0 4px rgba(31, 111, 235, .15);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}

.main-nav a {
    position: relative;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-weak);
    border-radius: 8px;
}

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

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

.main-nav a.active::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: -2px;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
}

.header-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 6px 16px rgba(31, 111, 235, .22);
    white-space: nowrap;
    transition: var(--transition);
}

.header-btn:hover {
    background: var(--primary-dark);
    color: #fff;
    box-shadow: 0 10px 24px rgba(31, 111, 235, .3);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 10px;
    background: var(--primary-light);
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-toggle:hover span {
    background: var(--primary-dark);
}

/* ========== 面包屑 ========== */
.breadcrumb-bar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.breadcrumb-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 13px;
    color: var(--text-weak);
}

.breadcrumb a {
    color: var(--text-weak);
}

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

.breadcrumb-sep {
    color: #b6c2d4;
}

.breadcrumb .current {
    color: var(--text);
    font-weight: 500;
}

.back-link {
    font-size: 13px;
    color: var(--text-weak);
    white-space: nowrap;
    transition: var(--transition);
}

.back-link:hover {
    color: var(--primary);
    transform: translateX(-3px);
    display: inline-block;
}

/* ========== Hero ========== */
.page-hero {
    position: relative;
    padding: 72px 0 76px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    isolation: isolate;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(15, 63, 138, .92) 0%, rgba(31, 111, 235, .78) 45%, rgba(31, 111, 235, .3) 100%);
    z-index: -1;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
    align-items: center;
}

.hero-copy {
    color: #fff;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .22);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .4px;
    margin-bottom: 22px;
}

.hero-eyebrow::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ffd27d;
    box-shadow: 0 0 0 4px rgba(255, 210, 125, .25);
}

.hero-copy h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: 1px;
    margin-bottom: 16px;
    text-shadow: 0 2px 18px rgba(0, 0, 0, .18);
}

.hero-desc {
    font-size: 17px;
    color: rgba(255, 255, 255, .92);
    max-width: 460px;
    margin-bottom: 28px;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn:focus-visible {
    outline: 3px solid rgba(31, 111, 235, .35);
    outline-offset: 2px;
}

.btn-primary {
    background: #ffb944;
    color: #1e293b;
    box-shadow: 0 8px 22px rgba(255, 185, 68, .35);
}

.btn-primary:hover {
    background: #ffa71e;
    color: #1e293b;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(255, 185, 68, .45);
}

.btn-ghost {
    background: rgba(255, 255, 255, .1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .4);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, .22);
    color: #fff;
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, .6);
}

.hero-points {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hero-points li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, .92);
}

.hero-points .check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .18);
    color: #ffd27d;
    font-size: 12px;
    flex-shrink: 0;
}

.hero-visual {
    position: relative;
    min-height: 380px;
}

.hero-img-card {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 24px 56px rgba(0, 0, 0, .28);
    transform: rotate(1.2deg);
}

.hero-img-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(15, 63, 138, .28), transparent 50%);
}

.hero-img-card img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.card-badge {
    position: absolute;
    left: 18px;
    bottom: 18px;
    z-index: 2;
    background: rgba(255, 255, 255, .94);
    color: var(--primary-deep);
    font-size: 13px;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 100px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, .2);
}

.hero-float-card {
    position: absolute;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, .18);
    padding: 16px 22px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    z-index: 3;
}

.hero-float-card .float-num {
    font-size: 26px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.hero-float-card .float-label {
    font-size: 12px;
    color: var(--text-weak);
}

.hero-float-card.card-1 {
    left: -20px;
    bottom: 48px;
    transform: rotate(-3deg);
}

.hero-float-card.card-2 {
    right: -12px;
    top: 28px;
    transform: rotate(3deg);
}

/* ========== 通用板块 ========== */
.section {
    padding: 92px 0;
}

.section + .section {
    border-top: 1px solid var(--border);
}

.section-head {
    margin-bottom: 48px;
}

.section-head.left {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.section-head.center {
    text-align: center;
    max-width: 660px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .6px;
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 14px;
}

.section-head h2 {
    font-size: 32px;
    font-weight: 750;
    line-height: 1.35;
    letter-spacing: .3px;
    color: var(--text);
}

.section-head .lead {
    font-size: 15px;
    color: var(--text-weak);
    max-width: 400px;
    line-height: 1.75;
}

/* ========== 核心优势 ========== */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 32px 26px 28px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), #5ea0ff);
    opacity: 0;
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(31, 111, 235, .2);
}

.advantage-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    background: var(--primary-light);
    margin-bottom: 18px;
}

.advantage-card h3 {
    font-size: 17px;
    font-weight: 650;
    margin-bottom: 10px;
    letter-spacing: .3px;
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
}

/* ========== 适用场景 ========== */
.scene-section {
    background: linear-gradient(160deg, var(--primary-lighter) 0%, #fff 60%);
}

.scene-list {
    display: flex;
    flex-direction: column;
    gap: 72px;
}

.scene-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.scene-row.reverse .scene-media {
    order: 2;
}

.scene-row.reverse .scene-content {
    order: 1;
}

.scene-media {
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.scene-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(15, 63, 138, .2), transparent 55%);
}

.scene-media img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform .6s ease;
}

.scene-media:hover img {
    transform: scale(1.04);
}

.scene-content {
    padding: 12px 0;
}

.scene-num {
    display: inline-block;
    font-size: 14px;
    font-weight: 800;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: 14px;
    letter-spacing: 1px;
}

.scene-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.scene-content p {
    font-size: 15px;
    color: var(--text-weak);
    line-height: 1.75;
    margin-bottom: 16px;
}

.scene-list-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.scene-list-items li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text);
}

.scene-list-items li::before {
    content: "◆";
    font-size: 9px;
    color: var(--accent);
}

/* ========== 服务流程 ========== */
.process-section {
    background: #fff;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    position: relative;
    counter-reset: step;
}

.process-step {
    background: var(--primary-lighter);
    border-radius: 18px;
    padding: 34px 24px 28px;
    position: relative;
    border: 1px solid rgba(31, 111, 235, .08);
    transition: var(--transition);
}

.process-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    background: #fff;
    border-color: rgba(31, 111, 235, .15);
}

.step-num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 17px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 8px 18px rgba(31, 111, 235, .3);
}

.process-step h3 {
    font-size: 17px;
    font-weight: 650;
    margin-bottom: 8px;
}

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

.process-connect {
    display: none;
}

/* ========== 数据统计 ========== */
.stats-section {
    background: linear-gradient(120deg, var(--primary-deep), var(--primary));
    color: #fff;
    padding: 80px 0;
    border-radius: 28px;
    margin: 92px 24px;
    box-shadow: 0 24px 60px rgba(15, 63, 138, .28);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: "";
    position: absolute;
    right: -60px;
    top: -60px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    border: 38px solid rgba(255, 255, 255, .06);
}

.stats-section::after {
    content: "";
    position: absolute;
    left: -40px;
    bottom: -80px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 26px solid rgba(255, 255, 255, .05);
}

.stats-title {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 48px;
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
    text-align: center;
}

.stat-item {
    padding: 20px 12px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 18px;
    backdrop-filter: blur(6px);
}

.stat-num {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.3;
    background: linear-gradient(120deg, #ffd27d, #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, .82);
    margin-top: 6px;
}

/* ========== FAQ ========== */
.faq-section {
    padding: 92px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 56px;
}

.faq-head {
    position: sticky;
    top: 100px;
    align-self: start;
}

.faq-head h2 {
    font-size: 32px;
    font-weight: 750;
    margin-bottom: 14px;
}

.faq-head p {
    color: var(--text-weak);
    font-size: 15px;
    line-height: 1.75;
    margin-bottom: 20px;
}

.faq-contact-tip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 10px 16px;
    border-radius: 100px;
    font-weight: 500;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.open {
    border-color: rgba(31, 111, 235, .2);
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 22px;
    background: transparent;
    border: none;
    text-align: start;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    line-height: 1.5;
    transition: var(--transition);
}

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

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

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform .35s ease, background .25s ease;
    line-height: 1;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .3s ease;
    padding: 0 22px;
    color: var(--text-weak);
    font-size: 14px;
    line-height: 1.75;
}

.faq-item.open .faq-answer {
    max-height: 320px;
    padding-bottom: 20px;
}

/* ========== CTA ========== */
.cta-section {
    padding: 0 24px 92px;
}

.cta-card {
    background: linear-gradient(135deg, var(--primary-deep), var(--primary));
    border-radius: 28px;
    padding: 64px 64px 56px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    color: #fff;
    box-shadow: 0 24px 64px rgba(15, 63, 138, .28);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: "";
    position: absolute;
    right: -80px;
    bottom: -100px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 38px solid rgba(255, 255, 255, .06);
}

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

.cta-inner h2 {
    font-size: 30px;
    font-weight: 750;
    line-height: 1.4;
    margin-bottom: 16px;
}

.cta-inner p {
    font-size: 15px;
    color: rgba(255, 255, 255, .86);
    line-height: 1.8;
    margin-bottom: 24px;
}

.cta-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cta-meta li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
}

.cta-meta li::before {
    content: "✓";
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .16);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #ffd27d;
    flex-shrink: 0;
}

.contact-form {
    background: #fff;
    border-radius: 20px;
    padding: 32px;
    color: var(--text);
    box-shadow: 0 16px 40px rgba(0, 0, 0, .18);
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    z-index: 1;
}

.contact-form .form-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.contact-form .form-sub {
    font-size: 13px;
    color: var(--text-weak);
    margin-bottom: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #f8fafc;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(31, 111, 235, .1);
}

.contact-form textarea {
    height: 90px;
    resize: vertical;
}

.contact-form .btn-submit {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.contact-form .btn-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(31, 111, 235, .25);
}

.form-note {
    font-size: 12px;
    color: #94a3b8;
    text-align: center;
}

/* ========== 页脚 ========== */
.site-footer {
    background: #0f1b33;
    color: rgba(255, 255, 255, .78);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr .8fr 1fr;
    gap: 56px;
    padding-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 14px;
}

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

.footer-brand p {
    font-size: 13px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .6);
    max-width: 380px;
}

.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 14px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, .6);
    font-size: 13px;
}

.footer-col ul li a:hover {
    color: #fff;
}

.footer-contact p {
    font-size: 13px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .6);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, .4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, .5);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .header-inner {
        gap: 16px;
    }

    .brand {
        font-size: 14px;
    }

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

    .header-btn {
        padding: 9px 16px;
        font-size: 13px;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-visual {
        max-width: 540px;
    }

    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .scene-row {
        gap: 32px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .faq-head {
        position: static;
    }

    .cta-card {
        grid-template-columns: 1fr;
        gap: 36px;
        padding: 48px 32px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-h: 64px;
    }

    .header-inner {
        gap: 12px;
        padding: 0 16px;
    }

    .brand {
        font-size: 13px;
        overflow: hidden;
        text-overflow: ellipsis;
        flex: 1;
    }

    .header-btn {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 6px;
        box-shadow: 0 24px 48px rgba(15, 63, 138, .12);
        border-bottom: 1px solid var(--border);
    }

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

    .main-nav a {
        display: block;
        padding: 12px 16px;
        font-size: 15px;
        border-radius: 10px;
    }

    .main-nav a.active::after {
        display: none;
    }

    .hero-copy h1 {
        font-size: 32px;
    }

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

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-visual {
        min-height: 0;
    }

    .hero-img-card img {
        height: 260px;
    }

    .hero-float-card.card-1 {
        left: 10px;
        bottom: 20px;
    }

    .hero-float-card.card-2 {
        right: 10px;
        top: 16px;
    }

    .section {
        padding: 64px 0;
    }

    .section-head h2 {
        font-size: 26px;
    }

    .section-head.left {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .scene-row,
    .scene-row.reverse {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .scene-row.reverse .scene-media {
        order: 1;
    }

    .scene-row.reverse .scene-content {
        order: 2;
    }

    .scene-media img {
        height: 220px;
    }

    .cta-card {
        border-radius: 22px;
        padding: 36px 24px;
    }

    .contact-form {
        padding: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
        padding-bottom: 32px;
    }

    .stats-section {
        margin: 56px 16px;
        border-radius: 22px;
        padding: 56px 20px;
    }
}

@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }

    .breadcrumb-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .hero-copy h1 {
        font-size: 28px;
    }

    .hero-eyebrow {
        font-size: 12px;
        padding: 5px 12px;
    }

    .hero-points li {
        font-size: 13px;
    }

    .hero-float-card {
        padding: 12px 16px;
    }

    .hero-float-card .float-num {
        font-size: 20px;
    }

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

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

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .stat-num {
        font-size: 30px;
    }

    .cta-inner h2 {
        font-size: 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        padding: 16px;
        font-size: 12px;
    }
}