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

:root {
  --bg: #f4f7fc;
  --card: #ffffff;
  --text: #17365d;
  --muted: #60758f;
  --line: #dde7f5;
  --brand: #2f80ed;
  --brand-2: #29bf6a;
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
  padding-top: 78px;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.header.scrolled {
  border-color: #e2eaf7;
  box-shadow: 0 4px 20px rgba(19, 48, 83, 0.06);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}

.logo {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 15px;
  color: #365277;
}

.nav a.active,
.nav a:hover,
.mobile-menu a.active {
  color: var(--brand);
  font-weight: 700;
}

.account {
  display: flex;
  align-items: center;
}

.lang-dropdown {
  position: relative;
}

.lang-switch {
  font-size: 14px;
  color: #355175;
  padding: 8px 12px;
  border: 1px solid #d4e1f4;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.lang-menu {
  position: absolute;
  top: 110%;
  right: 0;
  min-width: 132px;
  display: none;
  background: #fff;
  border: 1px solid #d9e3f2;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 22px rgba(23, 49, 85, 0.1);
}

.lang-dropdown.open .lang-menu {
  display: block;
}

.lang-option {
  display: block;
  padding: 10px 12px;
  font-size: 13px;
}

.lang-option:hover {
  background: #f2f7ff;
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  font-size: 22px;
  color: #27486f;
}

.mobile-menu {
  display: none;
}

.mobile-menu.open {
  display: block;
  position: fixed;
  top: 76px;
  left: 4%;
  width: 92%;
  background: #fff;
  border: 1px solid #dce7f6;
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(18, 45, 79, 0.14);
  padding: 8px 14px 12px;
}

.mobile-menu a,
.mobile-menu .lang-switch {
  display: block;
  border-bottom: 1px solid #edf3fb;
  font-size: 15px;
  color: #355175;
  padding: 11px 4px;
}

.hero {
  padding: 50px 0 58px;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 80%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 20px;
}

.hero h1 {
  font-size: 50px;
  line-height: 1.15;
  margin-bottom: 14px;
}

.hero p {
  font-size: 20px;
  color: var(--muted);
  margin-bottom: 26px;
}

.btns {
  display: flex;
  gap: 12px;
}

.btn {
  border-radius: 28px;
  padding: 11px 24px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn.primary {
  background: var(--brand-2);
  color: #fff;
}

.btn.outline {
  border-color: #c4d5ec;
  color: #3d5575;
}

.hero img {
  width: 100%;
  max-width: 560px;
  display: block;
  margin: 0 auto;
}

.section {
  padding: 74px 0;
}

.light-bg {
  background: var(--bg);
}

.section-title {
  text-align: center;
  font-size: 40px;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  max-width: 780px;
  margin: 0 auto 30px;
}

.cards,
.gallery-grid,
.video-grid,
.info-grid {
  display: grid;
  gap: 20px;
}

.cards {
  grid-template-columns: repeat(3, 1fr);
}

.comfort-section {
  background: #f1f2f6;
  padding: 78px 0;
}

.comfort-title {
  text-align: center;
  font-size: 36px;
  line-height: 1.2;
  color: #17367a;
  margin-bottom: 44px;
  font-weight: 800;
}

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

.comfort-card {
  background: #fff;
  border: 1px solid #e8ebf3;
  border-radius: 16px;
  box-shadow: 0 1px 0 rgba(14, 35, 79, 0.02);
  padding: 28px 26px 24px;
  text-align: center;
  min-height: 402px;
  display: flex;
  flex-direction: column;
}

.comfort-route {
  height: 48px;
  margin: 4px auto 22px;
  width: 78%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.route-line {
  position: absolute;
  left: 18px;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  border-top: 2px dashed #cbd5e6;
}

.route-dot {
  position: relative;
  z-index: 1;
  font-size: 16px;
  line-height: 1;
}

.comfort-route.green .route-dot {
  color: #2bad4f;
}

.comfort-route.blue .route-dot {
  color: #2f7cf2;
}

.comfort-route.orange .route-dot {
  color: #f3a126;
}

.comfort-card h3 {
  font-size: 28px;
  line-height: 1.25;
  font-weight: 800;
  color: #161d2f;
  margin-bottom: 14px;
}

.comfort-card h3 span {
  color: #29a84a;
}

.comfort-card:nth-child(2) h3 span {
  color: #2f7cf2;
}

.comfort-card:nth-child(3) h3 span {
  color: #f0a127;
}

.comfort-card p {
  color: #4b5875;
  font-size: 14px;
  line-height: 1.65;
  max-width: 300px;
  margin: 0 auto 22px;
}

.comfort-btn {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 999px;
  padding: 0 24px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  min-width: 192px;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.08);
}

.comfort-btn.green {
  background: linear-gradient(180deg, #35c560 0%, #29a84a 100%);
}

.comfort-btn.blue {
  background: linear-gradient(180deg, #4a92ff 0%, #2f7cf2 100%);
}

.comfort-btn.orange {
  background: linear-gradient(180deg, #ffb84b 0%, #f39f1f 100%);
}

.why-section {
  background: #fff;
  padding-top: 64px;
  padding-bottom: 70px;
}

.why-title {
  text-align: center;
  color: #123b82;
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 36px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px 26px;
}

.why-item {
  text-align: left;
}

.why-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #2f7cf2;
  font-size: 24px;
  margin-bottom: 10px;
}

.why-item h3 {
  color: #1972d8;
  font-size: 21px;
  line-height: 1.25;
  margin-bottom: 6px;
  font-weight: 700;
}

.why-item p {
  color: #222b3c;
  font-size: 15px;
  line-height: 1.6;
  max-width: 250px;
}

.how-section {
  background: #f7f8fb;
  padding-top: 64px;
  padding-bottom: 76px;
}

.how-title {
  text-align: center;
  color: #123b82;
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 28px;
}

.how-flow-wrap {
  position: relative;
  background: #f4f6fb;
  border: 1px solid #eaedf5;
  border-radius: 16px;
  padding: 28px 16px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 16px;
}

.how-step {
  position: relative;
  width: 250px;
  background: #fff;
  border: 1px solid #e7ecf5;
  border-radius: 16px;
  padding: 18px 16px 16px;
  box-shadow: 0 1px 0 rgba(14, 35, 79, 0.02);
}

.how-break {
  flex-basis: 100%;
  height: 0;
}

.step-no {
  font-size: 36px;
  line-height: 1;
  color: #2f7cf2;
  font-weight: 800;
  margin-bottom: 8px;
}

.how-step h3 {
  font-size: 19px;
  line-height: 1.35;
  color: #111d34;
  font-weight: 700;
  margin-bottom: 8px;
}

.how-step p {
  font-size: 14px;
  line-height: 1.55;
  color: #4f5d78;
}

.how-curve {
  display: none;
}

.how-actions {
  margin-top: 22px;
  display: flex;
  justify-content: center;
  gap: 12px;
}

.popular-section {
  background: #fff;
  padding-top: 64px;
  padding-bottom: 78px;
}

.popular-title {
  text-align: center;
  color: #123b82;
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 28px;
}

.popular-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 0;
  background: transparent;
}

.destination-card {
  background: #fff;
  border: 1px solid #e4ebf7;
  border-radius: 12px;
  padding: 12px;
}

.destination-thumb {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 12px;
}

.destination-thumb img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
}

.destination-card h3 {
  font-size: 29px;
  color: #121d36;
  margin-bottom: 10px;
  line-height: 1.2;
}

.destination-desc {
  color: #51607d;
  font-size: 15px;
  line-height: 1.7;
}

.related-section {
  background: #f7f8fb;
  padding-top: 58px;
  padding-bottom: 60px;
}

.related-title {
  text-align: center;
  color: #123b82;
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 24px;
}

.related-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 14px;
  margin-bottom: 22px;
}

.related-tag {
  border: 1px solid #7cc39a;
  border-radius: 10px;
  color: #2a3a52;
  font-size: 14px;
  padding: 8px 14px;
  line-height: 1;
  background: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.related-tag span {
  color: #6884a9;
  font-size: 13px;
}

.related-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #2f7cf2;
  font-size: 14px;
  font-weight: 600;
}

.related-section .container {
  text-align: center;
}

.card,
.gallery-item,
.video-card,
.info-card,
.contact-item,
.feature-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.card {
  padding: 24px;
}

.card h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.card p {
  color: var(--muted);
}

.page-header {
  padding: 84px 0 62px;
  color: #fff;
  background: linear-gradient(135deg, rgba(24, 68, 116, 0.84), rgba(39, 128, 214, 0.72)), url('../images/index/bg.png') center/cover no-repeat;
  text-align: center;
}

.page-header h1 {
  font-size: 42px;
  margin-bottom: 8px;
}

.gallery-grid {
  grid-template-columns: repeat(3, 1fr);
}

.gallery-item img,
.video-card video,
.info-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 14px;
  display: block;
}

.guide-page .gallery-item {
  padding: 10px;
}

.guide-page .gallery-item img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
}

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

.video-card {
  padding: 12px;
}

.video-card h3 {
  font-size: 18px;
  margin: 10px 6px 2px;
}

.about-content,
.contact-content {
  display: grid;
  gap: 20px;
}

.about-content {
  grid-template-columns: 1.3fr 1fr;
}

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

.info-card {
  padding: 20px;
}

.info-card p,
.about-text p,
.contact-details p {
  color: var(--muted);
}

.about-license {
  margin-top: 22px;
  padding: 20px;
  text-align: center;
}

.about-license h3 {
  font-size: 24px;
  margin-bottom: 14px;
}

.about-license img {
  width: min(760px, 100%);
  height: auto;
  border-radius: 12px;
  border: 1px solid #dbe6f7;
  box-shadow: 0 6px 20px rgba(20, 48, 86, 0.08);
}

.contact-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.contact-item {
  padding: 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.contact-item i {
  color: var(--brand);
}

.footer {
  background: #eff5ff;
  border-top: 1px solid #dbe7f8;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 20px;
  padding: 34px 0 22px;
}

.f-col h5 {
  font-size: 18px;
  margin-bottom: 12px;
}

.quick-links,
.contact-info {
  list-style: none;
  display: grid;
  gap: 8px;
  color: #445d7c;
}

.quick-message-form .form-group {
  margin-bottom: 10px;
}

.quick-message-form input,
.quick-message-form textarea {
  width: 100%;
  border: 1px solid #cfe0f7;
  border-radius: 10px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 14px;
}

.quick-message-form textarea {
  resize: vertical;
}

.quick-message-form .iti {
  width: 100%;
  display: block;
}

.quick-message-form .iti__tel-input,
.quick-message-form .iti input[type='tel'] {
  width: 100% !important;
}

.phone-error-message {
  font-size: 12px;
  color: #d93025;
  margin-top: 2px;
  display: block;
}

.btn.cta {
  background: var(--brand);
  color: #fff;
  width: 100%;
}

.footer-copy {
  border-top: 1px solid #dbe7f8;
  padding: 14px 0 16px;
  color: #5d7594;
  text-align: center;
  font-size: 13px;
}

.success-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1100;
}

.success-content {
  width: min(340px, 90%);
  background: #fff;
  padding: 24px;
  border-radius: 12px;
  text-align: center;
}

.success-btn {
  margin-top: 14px;
  border: 0;
  border-radius: 20px;
  background: var(--brand);
  color: #fff;
  padding: 8px 20px;
}

@media (max-width: 1000px) {
  .nav,
  .account {
    display: none;
  }

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

  .hero-inner,
  .about-content,
  .footer-inner,
  .cards,
  .comfort-grid,
  .gallery-grid,
  .video-grid,
  .contact-items,
  .info-grid {
    grid-template-columns: 1fr;
  }

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

  .destination-card h3 {
    font-size: 24px;
  }

  .destination-meta li {
    font-size: 16px;
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 26px 18px;
  }

  .how-flow-wrap {
    min-height: auto;
    padding: 22px 16px 24px;
  }

  .how-step {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    width: 100%;
  }

  .how-curve {
    display: none;
  }

  .how-flow-wrap {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .how-actions {
    margin-top: 16px;
  }

  .comfort-title,
  .why-title,
  .how-title,
  .popular-title,
  .related-title {
    font-size: 30px;
  }

  .comfort-card h3 {
    font-size: 24px;
  }

  .why-item h3 {
    font-size: 19px;
  }

  .comfort-card p,
  .why-item p {
    font-size: 15px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .section-title {
    font-size: 32px;
  }
}

@media (max-width: 680px) {
  body {
    padding-top: 70px;
  }

  .logo {
    font-size: 22px;
  }

  .mobile-menu.open {
    top: 68px;
  }

  .hero {
    padding-top: 36px;
  }

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

  .hero p {
    font-size: 16px;
  }

  .comfort-section,
  .why-section,
  .popular-section,
  .related-section {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .comfort-title,
  .why-title,
  .how-title,
  .popular-title,
  .related-title {
    font-size: 24px;
    margin-bottom: 24px;
  }

  .related-tag {
    width: 100%;
    justify-content: center;
  }

  .how-flow-wrap {
    grid-template-columns: 1fr;
  }

  .how-break {
    display: none;
  }

  .step-no {
    font-size: 32px;
  }

  .how-step h3 {
    font-size: 18px;
  }

  .how-step p {
    font-size: 14px;
  }

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

  .comfort-card h3 {
    font-size: 21px;
  }

  .comfort-btn {
    min-width: 100%;
  }

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

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