/* 赛博科技感风格，所有类名前缀z4b197 */

body.z4b197body {
  margin: 0;
  font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans', Arial, sans-serif;
  background: #181828;
  color: #f3f3f3;
  min-height: 100vh;
}

.z4b197layout {
  display: flex;
  min-height: 100vh;
  background: #181828;
}

/* 左侧垂直导航栏 */
.z4b197sidebar {
  width: 90px;
  background: #101018;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  box-shadow: 2px 0 16px 0 #000a, 0 0 0 2px #1a1a2a;
  z-index: 10;
}

.z4b197sidebar-logo {
  margin: 32px 0 24px 0;
  font-size: 2.2rem;
  color: #ff2d55;
  text-shadow: 0 0 12px #ff2d55, 0 0 2px #fff;
}

.z4b197logo-icon {
  font-size: 2.2rem;
}

.z4b197sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 32px;
}

.z4b197sidebar-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #181828;
  color: #ff2d55;
  font-size: 2rem;
  margin: 0 auto;
  box-shadow: 0 0 0 2px #ff2d5533, 0 0 12px #ff2d5533;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  position: relative;
}
.z4b197sidebar-link:hover, .z4b197sidebar-link:focus {
  background: #ff2d55;
  color: #fff;
  box-shadow: 0 0 16px #ff2d55, 0 0 0 2px #fff;
}

.z4b197sidebar-icon {
  display: block;
  line-height: 1;
}

.z4b197sidebar-glow {
  position: absolute;
  left: 80px;
  top: 0;
  width: 8px;
  height: 100%;
  background: linear-gradient(180deg, #ff2d55 0%, #ff2d55cc 50%, #ff2d5500 100%);
  box-shadow: 0 0 32px 8px #ff2d55cc;
  border-radius: 8px;
  z-index: 1;
}

/* 主内容区 */
.z4b197mainwrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #181828;
}

/* 顶部横向导航 */
.z4b197topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #101018;
  padding: 0 40px;
  height: 70px;
  box-shadow: 0 2px 12px #000a;
  position: sticky;
  top: 0;
  z-index: 9;
}

.z4b197topbar-title {
  font-size: 1.6rem;
  font-weight: bold;
  color: #fff;
  letter-spacing: 2px;
  text-shadow: 0 2px 8px #ff2d55, 0 1px 0 #222;
}

.z4b197topbar-nav {
  display: flex;
  gap: 28px;
  background: rgba(127,0,255,0.08);
  border-radius: 24px;
  padding: 6px 18px;
  box-shadow: 0 2px 12px #7f00ff22;
}
.z4b197topbar-link {
  color: #fff;
  font-size: 1.08rem;
  padding: 8px 18px 8px 14px;
  border-radius: 18px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
  letter-spacing: 1px;
}
.z4b197topbar-link:hover, .z4b197topbar-link:focus {
  background: linear-gradient(90deg, #7f00ff 0%, #ff2d55 100%);
  color: #fff;
  box-shadow: 0 2px 12px #ff2d55cc;
  z-index: 2;
}
.z4b197topbar-link-highlight {
  background: linear-gradient(90deg, #ff2d55 0%, #7f00ff 100%);
  color: #fff;
  box-shadow: 0 2px 12px #ff2d55cc;
  z-index: 2;
}
.z4b197nav-ico {
  font-size: 1.2em;
  margin-right: 2px;
  filter: drop-shadow(0 0 4px #ff2d55cc);
  display: inline-block;
}

/* 主横幅 */
.z4b197hero {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  background: #1a1a2a;
  overflow: hidden;
  border-radius: 0 0 32px 32px;
  margin-bottom: 32px;
}
.z4b197hero-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 70% 40%, #7f00ff 0%, #181828 80%);
  z-index: 1;
  opacity: 0.9;
}
.z4b197hero-content {
  position: relative;
  z-index: 2;
  padding: 48px 32px 48px 64px;
  max-width: 50%;
  margin-left: 0;
}
.z4b197hero-title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: #fff;
  text-shadow: 0 4px 24px #ff2d55, 0 1px 0 #222;
}
.z4b197hero-desc {
  font-size: 1.3rem;
  margin-bottom: 32px;
  color: #ffb2c2;
}
.z4b197hero-img {
  flex: 0 0 auto;
  min-width: 200px;
  max-width: 380px;
  min-height: 160px;
  background: none;
  border-radius: 32px;
  margin-left: 200px;
  box-shadow: 0 0 28px #7f00ff88;
  position: relative;
  z-index: 2;
  display: none;
  align-items: center;
  justify-content: center;
}
@media (min-width: 900px) {
  .z4b197hero-img {
    display: flex;
  }
}
.z4b197hero-img-real {
  max-width: 100%;
  max-height: 240px;
  width: auto;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 0 22px #7f00ff55;
  object-fit: contain;
  display: block;
}

.z4b197btn {
  padding: 12px 32px;
  border: none;
  border-radius: 32px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 8px #ff2d5533;
  background: linear-gradient(90deg, #ff2d55 0%, #7f00ff 100%);
  color: #fff;
}
.z4b197btn-primary:hover {
  background: linear-gradient(90deg, #7f00ff 0%, #ff2d55 100%);
}

/* 主内容区 */
.z4b197main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px 0 16px;
}

.z4b197section {
  margin-bottom: 48px;
  background: #181828;
  border-radius: 18px;
  box-shadow: 0 2px 16px #7f00ff22;
  padding: 32px 20px 24px 20px;
}

.z4b197section-title {
  font-size: 2rem;
  font-weight: 600;
  color: #ff2d55;
  margin-bottom: 28px;
  text-align: center;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px #7f00ff44;
}

.z4b197card-group {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: center;
}
.z4b197card-group-row {
  flex-direction: row;
}

/* 核心服务卡片 */
.z4b197card {
  background: linear-gradient(135deg, #232526 60%, #7f00ff 100%);
  color: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 16px #7f00ff33;
  padding: 28px 22px 22px 22px;
  width: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.2s, box-shadow 0.2s, border 0.2s;
  position: relative;
  border: 2.5px solid transparent;
  background-clip: padding-box, border-box;
  background-origin: padding-box, border-box;
  border-image: linear-gradient(90deg, #ff2d55 0%, #7f00ff 100%) 1;
  overflow: hidden;
}
.z4b197card::after {
  content: '';
  display: block;
  position: absolute;
  left: 20px; right: 20px; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, #ff2d55 0%, #7f00ff 100%);
  opacity: 0.3;
}
.z4b197card:hover {
  transform: translateY(-10px) scale(1.04);
  box-shadow: 0 8px 32px #ff2d55cc, 0 0 0 4px #7f00ff55;
  border-color: #ff2d55;
}
.z4b197card-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff2d55 60%, #7f00ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.3rem;
  color: #fff;
  box-shadow: 0 2px 12px #ff2d55cc;
  border: 2px solid #fff2;
}

.z4b197icon-app::before { content: "📱"; }
.z4b197icon-location::before { content: "📍"; }
.z4b197icon-wechat::before { content: "💬"; }
.z4b197icon-money::before { content: "💰"; }
.z4b197icon-email::before { content: "📧"; }
.z4b197icon-monitor::before { content: "🖥️"; }

.z4b197card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.z4b197card-desc {
  font-size: 1rem;
  color: #fff;
  opacity: 0.85;
  text-align: center;
}

/* 内容展示区-图片 */
.z4b197section-gallery {
  background: #101018;
  box-shadow: 0 2px 32px #7f00ff33;
}
.z4b197gallery {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 18px;
}
.z4b197gallery-img {
  width: 220px;
  height: 140px;
  border-radius: 18px;
  background: linear-gradient(135deg, #7f00ff 60%, #232526 100%);
  box-shadow: 0 2px 16px #7f00ff55;
  position: relative;
}
.z4b197gallery-img1 { background-image: linear-gradient(135deg, #7f00ff 60%, #232526 100%); }
.z4b197gallery-img2 { background-image: linear-gradient(135deg, #7f00ff 60%, #232526 100%); }
.z4b197gallery-img3 { background-image: linear-gradient(135deg, #7f00ff 60%, #232526 100%); }

.z4b197gallery-descs {
  display: flex;
  gap: 24px;
  justify-content: center;
}
.z4b197gallery-desc {
  color: #ffb2c2;
  font-size: 1rem;
  text-align: center;
  width: 220px;
}

/* 客户评价 */
.z4b197testimonials {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
}
/* 客户评价卡片 */
.z4b197testimonial-card {
  background: #232526;
  color: #ff2d55;
  border-radius: 14px;
  padding: 24px 22px 18px 22px;
  min-width: 220px;
  max-width: 320px;
  box-shadow: 0 2px 8px #ff2d5533;
  margin-bottom: 8px;
  border: 1.5px solid #ff2d55;
  position: relative;
  overflow: hidden;
}
.z4b197testimonial-card::before {
  content: '“';
  position: absolute;
  top: 10px; left: 16px;
  font-size: 2.5rem;
  color: #7f00ff44;
  font-family: serif;
  z-index: 1;
}
.z4b197testimonial-card::after {
  content: '';
  display: block;
  position: absolute;
  left: 18px; right: 18px; bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, #ff2d55 0%, #7f00ff 100%);
  opacity: 0.5;
  border-radius: 2px;
}
.z4b197testimonial-content {
  font-size: 1rem;
  margin-bottom: 8px;
}
.z4b197testimonial-author {
  font-size: 0.95rem;
  color: #ffb2c2;
  text-align: right;
}

/* 联系我们 */
.z4b197section-contact {
  background: linear-gradient(90deg, #7f00ff 0%, #232526 100%);
  color: #fff;
}
.z4b197contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 420px;
  margin: 0 auto;
}
.z4b197input, .z4b197textarea {
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid #ff2d55;
  font-size: 1rem;
  background: #fff;
  color: #232526;
  outline: none;
  transition: border 0.2s;
}
.z4b197input:focus, .z4b197textarea:focus {
  border: 1.5px solid #7f00ff;
}
.z4b197textarea {
  min-height: 80px;
  resize: vertical;
}

/* 页脚 */
.z4b197footer {
  background: #101018;
  color: #ff2d55;
  text-align: center;
  padding: 18px 0 12px 0;
  font-size: 1rem;
  letter-spacing: 1px;
  margin-top: 32px;
  box-shadow: 0 -2px 8px #7f00ff33;
}

/* 关于我们 */
.z4b197about-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 32px;
  justify-content: space-between;
}
.z4b197about-text {
  flex: 2;
  min-width: 220px;
  font-size: 1.1rem;
  color: #fff;
  line-height: 1.8;
}
.z4b197about-cards {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 160px;
}
/* 关于我们卡片 */
.z4b197about-card {
  background: rgba(127,0,255,0.12);
  color: #fff;
  border-radius: 12px;
  padding: 14px 18px;
  font-weight: 600;
  box-shadow: 0 2px 8px #7f00ff33;
  text-align: center;
  letter-spacing: 1px;
  position: relative;
  margin-bottom: 8px;
  border-left: 6px solid #ff2d55;
  filter: blur(0.5px) brightness(1.1);
  transform: skewX(-6deg);
}

/* 服务流程 */
.z4b197process-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  margin-top: 12px;
}
/* 服务流程卡片 */
.z4b197process-step {
  background: #232526;
  border-radius: 16px;
  box-shadow: 0 4px 18px #7f00ff33;
  padding: 22px 20px 18px 20px;
  min-width: 160px;
  max-width: 220px;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 1.5px solid #7f00ff;
  position: relative;
  margin-bottom: 12px;
  overflow: hidden;
}
.z4b197process-step::before {
  content: '';
  display: block;
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, #ff2d55 0%, #7f00ff 100%);
  border-radius: 16px 16px 0 0;
}
.z4b197process-icon {
  font-size: 2.2rem;
  margin-bottom: 8px;
  color: #ff2d55;
  filter: drop-shadow(0 0 6px #7f00ffcc);
  z-index: 1;
}
.z4b197process-step div {
  font-weight: 600;
  margin-bottom: 6px;
  color: #ff2d55;
}
.z4b197process-step p {
  font-size: 0.98rem;
  color: #fff;
  margin: 0;
}

/* 常见问题 FAQ */
.z4b197faq-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 12px;
}
.z4b197faq-item {
  background: #232526;
  border-radius: 10px;
  box-shadow: 0 2px 8px #7f00ff33;
  padding: 14px 18px;
  border-left: 4px solid #ff2d55;
}
.z4b197faq-q {
  font-weight: 600;
  color: #ff2d55;
  margin-bottom: 4px;
}
.z4b197faq-a {
  color: #fff;
  font-size: 1rem;
}

/* 隐私安全保障 */
.z4b197security-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  margin-top: 12px;
}
/* 安全保障卡片 */
.z4b197security-card {
  background: repeating-linear-gradient(135deg, #232526 0 8px, #2d2d3a 8px 16px);
  border-radius: 16px;
  box-shadow: 0 2px 12px #7f00ff33;
  padding: 18px 20px;
  min-width: 160px;
  max-width: 220px;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 2.5px double #ff2d55;
  position: relative;
  overflow: hidden;
}
.z4b197security-icon {
  font-size: 2rem;
  margin-bottom: 8px;
  color: #ff2d55;
  border: 2.5px solid #7f00ff;
  border-radius: 50%;
  padding: 8px;
  background: #181828;
  box-shadow: 0 0 8px #ff2d55cc;
}
.z4b197security-title {
  font-weight: 600;
  margin-bottom: 6px;
  color: #ff2d55;
}
.z4b197security-desc {
  color: #fff;
  font-size: 0.98rem;
}

/* 移动端汉堡菜单按钮 */
.z4b197nav-hamburger {
  display: none;
  width: 38px;
  height: 38px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  margin-left: 12px;
  z-index: 100;
}
.z4b197nav-hamburger span {
  display: block;
  width: 28px;
  height: 4px;
  margin: 4px 0;
  background: linear-gradient(90deg, #ff2d55 0%, #7f00ff 100%);
  border-radius: 2px;
  transition: 0.3s;
}

/* 响应式导航菜单 */
@media (max-width: 900px) {
  .z4b197nav-hamburger {
    display: flex;
  }
  .z4b197nav-close {
    display: block;
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    width: 100%; height: 100%;
    z-index: 10;
    cursor: pointer;
    background: transparent;
  }
  .z4b197topbar-nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: #181828ee;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0 0 12px 0;
    border-radius: 0 0 18px 18px;
    box-shadow: 0 8px 32px #7f00ff33;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(.4,2,.6,1);
    z-index: 99;
  }
  .z4b197nav-toggle:checked ~ .z4b197nav-hamburger span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .z4b197nav-toggle:checked ~ .z4b197nav-hamburger span:nth-child(2) {
    opacity: 0;
  }
  .z4b197nav-toggle:checked ~ .z4b197nav-hamburger span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  .z4b197nav-toggle:checked ~ .z4b197topbar-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .z4b197topbar-nav .z4b197nav-close {
    position: absolute;
    left: 0; right: 0;
    height: 56px;
    background: transparent;
    z-index: 10;
  }
  .z4b197topbar-nav .z4b197topbar-link {
    width: 100%;
    border-radius: 0;
    padding: 16px 24px;
    font-size: 1.08rem;
    border-bottom: 1px solid #2d2d3a;
    justify-content: flex-start;
    gap: 10px;
    position: relative;
    z-index: 11;
  }
  .z4b197topbar-nav .z4b197topbar-link:last-child {
    border-bottom: none;
  }
}
@media (min-width: 901px) {
  .z4b197nav-close { display: none !important; }
}

/* 响应式设计 */
@media (max-width: 1100px) {
  .z4b197hero-content { max-width: 100%; padding: 32px 12px 32px 12px; }
  .z4b197hero-img { display: none !important; }
  .z4b197gallery, .z4b197gallery-descs { flex-direction: column; align-items: center; }
  .z4b197gallery-img, .z4b197gallery-desc { width: 98%; }
}
@media (max-width: 900px) {
  .z4b197card-group { flex-direction: column; align-items: center; }
  .z4b197features { flex-direction: column; align-items: center; }
  .z4b197topbar { padding: 0 10px; height: 54px; }
  .z4b197topbar-title { font-size: 1.1rem; }
  .z4b197topbar-nav { gap: 10px; padding: 4px 4px; }
  .z4b197topbar-link { font-size: 0.98rem; padding: 6px 8px 6px 8px; }
  .z4b197about-wrap { flex-direction: column; gap: 18px; }
  .z4b197about-cards { flex-direction: row; gap: 12px; }
  .z4b197process-steps, .z4b197security-wrap { flex-direction: column; align-items: center; }
}
@media (max-width: 700px) {
  .z4b197sidebar { width: 54px; }
  .z4b197sidebar-glow { left: 48px; width: 6px; }
  .z4b197sidebar-link { width: 38px; height: 38px; font-size: 1.2rem; }
  .z4b197sidebar-logo { font-size: 1.2rem; margin: 18px 0 12px 0; }
  .z4b197main { padding: 0 2px; }
  .z4b197section { padding: 12px 2px 8px 2px; }
}
@media (max-width: 500px) {
  .z4b197topbar { flex-direction: column; height: auto; padding: 0 2px; }
  .z4b197topbar-nav { gap: 6px; }
  .z4b197hero-content { padding: 18px 2px 18px 2px; }
  .z4b197section-title { font-size: 1.1rem; }
  .z4b197card { width: 98%; min-width: unset; padding: 12px 4px 8px 4px; }
  .z4b197feature { min-width: 80px; padding: 10px 8px; }
  .z4b197testimonial-card { min-width: 120px; max-width: 98%; padding: 10px 8px; }
  .z4b197contact-form { max-width: 98%; }
} 

.z4b197gallery-list {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.z4b197gallery-card {
  background: #232526;
  border-radius: 18px;
  box-shadow: 0 2px 16px #7f00ff33;
  width: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 2px solid #7f00ff44;
}
.z4b197gallery-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 8px 32px #ff2d55cc;
  border-color: #ff2d55;
}
.z4b197gallery-card .z4b197gallery-img {
  width: 100%;
  height: 140px;
  border-radius: 0;
  margin: 0;
  box-shadow: none;
}
.z4b197gallery-card .z4b197gallery-desc {
  color: #ffb2c2;
  font-size: 1rem;
  text-align: center;
  padding: 6px 10px 8px 10px;
  width: 100%;
  background: #181828;
}
@media (max-width: 900px) {
  .z4b197gallery-list {
    flex-direction: column;
    align-items: center;
    gap: 18px;
  }
  .z4b197gallery-card {
    width: 98%;
    min-width: unset;
  }
} 

.z4b197gallery-img {
  position: relative;
}
.z4b197gallery-title {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 2rem;
  font-weight: bold;
  text-shadow: 0 2px 12px #232526, 0 0 8px #7f00ff;
  letter-spacing: 2px;
  z-index: 2;
  pointer-events: none;
  width: 90%;
  text-align: center;
}
@media (max-width: 900px) {
  .z4b197gallery-title {
    font-size: 1.3rem;
    top: 10px;
  }
}