/* 营销落地页样式：从 index.html 中内联 <style> 抽出 */
:root {
  --primary-color: #2ca6a4;
  --primary-dark: #1f7a78;
  --secondary-color: #f0fbfb;
  --accent-color: #ff7a45;
  --text-color: #333333;
  --muted-text: #666666;
  --border-color: #e5e5e5;
  --bg-light: #f7fafc;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.06);
  --max-width: 1180px;
  --transition-fast: 0.2s ease-in-out;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text-color);
  background-color: #ffffff;
  line-height: 1.6;
}

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

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

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

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* 隐藏仅用于语义的文本 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-size: 15px;
  line-height: 1.3;
}

.logo-text-main {
  font-weight: 600;
  color: #111111;
}

.logo-text-sub {
  color: var(--muted-text);
  font-size: 14px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 15px;
}

.nav a {
  position: relative;
  color: var(--muted-text);
}

.nav a:hover,
.nav a.is-active {
  color: var(--primary-dark);
}

.nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--primary-color);
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 15px;
}

.phone-text {
  white-space: nowrap;
  color: var(--muted-text);
}

.phone-number {
  font-weight: 600;
  color: var(--primary-dark);
  font-size: 17px;
}

.btn,
.btn-primary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), #37c0be);
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(44, 166, 164, 0.28);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #2ca6a4);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(44, 166, 164, 0.32);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
  border-color: rgba(44, 166, 164, 0.4);
}

.btn-outline:hover {
  background-color: rgba(44, 166, 164, 0.06);
  border-color: var(--primary-dark);
}

.btn-icon {
  margin-left: 6px;
  font-size: 14px;
}

/* Banner 区域，高度不超过 400px */
.banner {
  background: radial-gradient(circle at top left, #e7fbff 0, #f5fffe 40%, #ffffff 100%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  padding-bottom: 150px;

}

.banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 16px 36px;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: 40px;
  align-items: center;
  min-height: 260px;
  max-height: 380px;
}

.banner-eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  background-color: rgba(44, 166, 164, 0.06);
  color: var(--primary-dark);
  font-size: 14px;
  margin-bottom: 12px;
}

.banner-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--primary-color);
  margin-right: 6px;
}

.banner-title {
  font-size: 30px;
  line-height: 1.25;
  margin: 0 0 10px;
  color: #111111;
}

.banner-title span {
  color: var(--primary-dark);
}

/* 拆分后的 Banner 主标题整行布局 */
.banner-title-line {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  column-gap: 6px;
  row-gap: 4px;
  margin-bottom: 8px;
}

.banner-title-text {
  font-size: 30px;
  line-height: 1.25;
  font-weight: 700;
  color: #111111;
}

.banner-title-text-prefix,
.banner-title-text-suffix {
  font-size: 30px;
  line-height: 1.25;
  font-weight: 700;
  color: #111111;
}

.banner-subtitle {
  font-size: 15px;
  color: var(--muted-text);
  max-width: none;
  margin-bottom: 16px;
}

.banner-highlight {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 14px;
  color: var(--muted-text);
  margin-bottom: 18px;
}

.highlight-item {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background-color: rgba(44, 166, 164, 0.04);
}

.highlight-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #52c41a;
  margin-right: 6px;
}

.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.banner-note {
  font-size: 14px;
  color: var(--muted-text);
}

.banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-size: 14px;
  color: var(--muted-text);
  margin-top: 10px;
}

.banner-meta-item strong {
  color: #111111;
  margin-right: 4px;
}

.banner-right {
  justify-self: stretch;
}

.banner-card {
  border-radius: 16px;
  padding: 18px 18px 20px;
}

.banner-card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.banner-card-sub {
  font-size: 14px;
  color: var(--muted-text);
  margin-bottom: 12px;
}

.banner-image-caption {
  text-align: center;
}

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.badge {
  padding: 2px 8px;
  border-radius: 999px;
  background-color: var(--bg-light);
  font-size: 13px;
  color: var(--muted-text);
}

.badge-primary {
  background-color: rgba(44, 166, 164, 0.08);
  color: var(--primary-dark);
}

.banner-form-note {
  font-size: 14px;
  color: var(--muted-text);
  margin-bottom: 6px;
}

.banner-form {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 8px;
  margin-bottom: 10px;
  align-items: center;
}

.banner-form input[type="tel"] {
  width: 100%;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  font-size: 15px;
  outline: none;
  transition: var(--transition-fast);
}

.banner-form input[type="tel"]:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(44, 166, 164, 0.2);
}

.banner-mini-text {
  font-size: 13px;
  color: #999999;
}

/* 公共区块样式 */
section {
  padding: 40px 0;
}

section:nth-of-type(odd) {
  background-color: #ffffff;
}

section:nth-of-type(even) {
  background-color: var(--secondary-color);
}

.section-header {
  margin-bottom: 26px;
  text-align: center;
}

.section-title {
  font-size: 24px;
  margin: 0 0 6px;
  color: #111111;
}

.section-subtitle {
  font-size: 15px;
  color: var(--muted-text);
  margin: 0;
}

/* 产品组合：多区块 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  padding: 14px 14px 16px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-tag {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: 999px;
  background-color: rgba(44, 166, 164, 0.08);
  color: var(--primary-dark);
  font-size: 13px;
  margin-bottom: 6px;
}

.product-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 4px;
}

.product-meta {
  font-size: 14px;
  color: var(--muted-text);
  margin-bottom: 8px;
}

.product-thumb {
  height: 120px;
  border-radius: 10px;
  background: linear-gradient(135deg, #e7fbff, #f9fffe);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  overflow: hidden;
}

.product-thumb img {
  max-height: 100%;
  object-fit: contain;
}

.product-features {
  font-size: 14px;
  color: var(--muted-text);
  margin-bottom: 10px;
}

.product-features ul {
  padding-left: 18px;
  margin: 0;
}

.product-price-line {
  font-size: 15px;
  margin-bottom: 8px;
}

.product-price-label {
  color: var(--muted-text);
  margin-right: 4px;
}

.product-price-text {
  color: var(--primary-dark);
  font-weight: 600;
}

.product-cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
}

.product-cta-row small {
  font-size: 13px;
  color: #999999;
}

/* 价格与方案对比区 */
.price-layout {
  display: grid;
  grid-template-columns: 1.4fr 1.2fr;
  gap: 22px;
  align-items: flex-start;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  font-size: 13px;
  margin-top: 60px;
}

.price-table thead {
  background-color: var(--bg-light);
}

.price-table th,
.price-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.price-table th {
  font-weight: 600;
  color: #111111;
}

.price-table tbody tr:last-child td {
  border-bottom: none;
}

.price-table .col-highlight {
  color: var(--primary-dark);
  font-weight: 600;
}

.price-side-card {
  border-radius: 12px;
  padding: 14px 14px 16px;
  font-size: 13px;
}

.price-side-card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 15px;
}

.price-side-card ul {
  margin: 0 0 10px;
  padding-left: 18px;
}

.price-side-card-footer {
  font-size: 14px;
  color: var(--muted-text);
}

.price-image-caption {
  text-align: center;
}

/* 公司实力区 */
.strength-layout {
  display: grid;
  grid-template-columns: 1.2fr 1.3fr;
  gap: 24px;
  align-items: flex-start;
}

.strength-block {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  padding: 16px 16px 18px;
  border: 1px solid rgba(0, 0, 0, 0.03);
  font-size: 13px;
}

.strength-block-plain {
  background-color: transparent;
  box-shadow: none;
  border: none;
  padding: 0;
}

.strength-block h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 15px;
}

.strength-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.strength-tags span {
  font-size: 13px;
  padding: 2px 8px;
  border-radius: 999px;
  background-color: var(--bg-light);
  color: var(--muted-text);
}

.strength-list {
  padding-left: 18px;
  margin: 0 0 10px;
}

.strength-list li {
  margin-bottom: 4px;
}

.strength-extra {
  font-size: 14px;
  color: var(--muted-text);
}

/* 内容占位区，用于提升停留时间 */
.content-columns {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 1fr;
  gap: 20px;
  font-size: 13px;
}

.content-card {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  padding: 14px 14px 16px;
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.content-card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 15px;
}

.content-card p {
  margin: 0 0 8px;
}

.content-card ul {
  margin: 0 0 8px;
  padding-left: 18px;
}

/* 表单区块（独立预约区） */
.form-section-inner {
  display: grid;
  grid-template-columns: 1.2fr 1.1fr;
  gap: 26px;
  align-items: center;
}

.form-intro {
  font-size: 15px;
  color: var(--muted-text);
  margin-bottom: 12px;
}

/* 仅让表单区右侧图片下方那一行说明文字居中 */
.form-image-wrapper + .form-intro {
  text-align: center;
}

.form-bullets {
  font-size: 15px;
  margin: 0 0 6px;
  padding-left: 18px;
}

.form-bullets li {
  margin-bottom: 4px;
}

.contact-form-wrapper {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  padding: 18px 18px 20px;
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.contact-form-wrapper h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.contact-form-wrapper p {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--muted-text);
}

.contact-form {
  font-size: 15px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
  margin-bottom: 10px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 14px;
  margin-bottom: 4px;
}

.form-group .required {
  color: #ff4d4f;
}

.en-label {
  color: #999999;
  font-size: 13px;
}

.form-group input[type="text"],
.form-group input[type="tel"] {
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  outline: none;
  transition: var(--transition-fast);
  font-size: 15px;
}

.form-group input[type="text"]:focus,
.form-group input[type="tel"]:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(44, 166, 164, 0.18);
}

.contact-submit-btn-black {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 999px;
  border: none;
  background-color: var(--primary-dark);
  color: #ffffff;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.contact-submit-btn-black:hover {
  background-color: #145352;
}

/* 底部与版权 */
.site-footer {
  background-color: #111111;
  color: #cccccc;
  padding: 24px 0 20px;
  margin-top: 32px;
  font-size: 14px;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  margin-bottom: 12px;
}

.footer-contact {
  max-width: 340px;
}

.footer-contact strong {
  color: #ffffff;
}

.footer-qrcode {
  display: flex;
  gap: 10px;
  align-items: center;
}

.footer-qrcode img {
  width: 84px;
  height: 84px;
  object-fit: contain;
  background-color: #ffffff;
  border-radius: 6px;
  padding: 4px;
}

.footer-qrcode-text {
  font-size: 14px;
  color: #cccccc;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 10px;
  color: #999999;
}

.footer-bottom a {
  color: #999999;
}

.footer-bottom a:hover {
  color: #ffffff;
}

/* 悬浮与弹窗组件 */
.float-contact-bar {
  position: fixed;
  right: 12px;
  top: 40%;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.float-contact-item {
  background-color: #ffffff;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  padding: 6px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-color);
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.04);
  min-width: 110px;
}

.float-contact-item:hover {
  background-color: var(--primary-color);
  color: #ffffff;
}

.float-dot-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #ff7a45;
}

.float-label {
  flex: 1;
}

.float-badge {
  font-size: 12px;
  padding: 1px 6px;
  border-radius: 999px;
  background-color: rgba(0, 0, 0, 0.06);
}

.float-contact-item:hover .float-badge {
  background-color: rgba(255, 255, 255, 0.16);
}

.bottom-fixed-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 998;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(6px);
}

.bottom-fixed-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 8px 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
}

.bottom-fixed-text {
  color: var(--muted-text);
}

.bottom-fixed-text strong {
  color: #111111;
}

.bottom-fixed-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.bottom-fixed-actions .btn-primary {
  padding-inline: 20px;
}

.bottom-fixed-actions .btn-outline {
  padding-inline: 14px;
}

.phone-highlight {
  font-weight: 600;
  color: var(--primary-dark);
}

/* 咨询弹窗 */
.modal-mask {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1001;
  padding: 16px;
}

.modal-mask.is-visible {
  display: flex;
}

.modal-dialog {
  background-color: #ffffff;
  border-radius: 14px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.modal-header {
  padding: 10px 14px 8px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.modal-title {
  font-size: 14px;
  font-weight: 600;
}

.modal-close-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 0 4px;
  color: #999999;
}

.modal-body {
  padding: 12px 14px 16px;
  font-size: 13px;
}

.modal-body p {
  margin: 0 0 8px;
}

.modal-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.modal-actions .btn-primary {
  flex: 1;
  justify-content: center;
}

.modal-actions .btn-outline {
  flex: 1;
  justify-content: center;
}

.modal-body small {
  display: block;
  margin-top: 6px;
  color: #999999;
}

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  right: 14px;
  bottom: 68px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: rgba(17, 17, 17, 0.9);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  z-index: 997;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-fast);
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* 响应式 */
.mobile-only {
  display: none;
}

@media (max-width: 992px) {
  .nav {
    display: none;
  }

  .banner-inner {
    grid-template-columns: minmax(0, 1.2fr);
    max-height: none;
    padding-top: 26px;
  }

  .banner-right {
    order: -1;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .price-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .strength-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .content-columns {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .form-section-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .float-contact-bar {
    top: auto;
    bottom: 120px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 8px 0;
  }

  .banner-title {
    font-size: 22px;
  }

  .banner-subtitle {
    font-size: 13px;
  }

  section {
    padding: 30px 0;
  }

  .product-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .content-columns {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .bottom-fixed-actions {
    width: 100%;
  }

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

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .mobile-only {
    display: inline;
  }
}