* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1f1f1f;
  background: #f8f6f2;
  line-height: 1.7;
}

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

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

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

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

.logo {
  font-size: 22px;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 24px;
}

.nav a {
  font-size: 14px;
  color: #444;
}

.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(0,0,0,0.15), rgba(0,0,0,0.18)),
    url("https://images.unsplash.com/photo-1537996194471-e657df975ab4?auto=format&fit=crop&w=1800&q=80") center/cover no-repeat;
  color: #fff;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.38), rgba(0,0,0,0.1));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding: 64px 0;
}

.hero-kicker {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.08;
  font-weight: 800;
}

.hero-desc {
  max-width: 620px;
  margin: 0 0 24px;
  font-size: 16px;
  color: rgba(255,255,255,0.92);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-tags span {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.18);
  font-size: 14px;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  padding: 14px 24px;
  background: #ffffff;
  color: #111;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.hero-btn:hover {
  transform: translateY(-2px);
}

.overview {
  margin-top: -52px;
  position: relative;
  z-index: 2;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.overview-card {
  background: rgba(255,255,255,0.95);
  padding: 24px;
  border-radius: 22px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.08);
}

.overview-card h3 {
  margin: 0 0 8px;
  font-size: 14px;
  color: #666;
}

.overview-card p {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.plans-section,
.hotels-section,
.budget-section,
.tips-section {
  padding: 88px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 32px;
}

.section-kicker {
  margin: 0 0 8px;
  color: #8a7f72;
  letter-spacing: 1.8px;
  font-size: 12px;
  text-transform: uppercase;
}

.section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 42px);
}

.section-desc {
  margin: 0 auto;
  max-width: 760px;
  color: #666;
  font-size: 15px;
}

.plan-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.tab-btn {
  border: none;
  background: #ece7df;
  color: #5d544c;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.tab-btn.active {
  background: #1f1f1f;
  color: #fff;
}

.plan-panel {
  display: none;
  background: #fff;
  border-radius: 28px;
  padding: 32px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.06);
}

.plan-panel.active {
  display: block;
}

.plan-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.plan-label {
  margin: 0 0 6px;
  font-size: 12px;
  color: #8a7f72;
  letter-spacing: 1.5px;
}

.plan-header h3 {
  margin: 0;
  font-size: 28px;
}

.plan-badge {
  padding: 10px 16px;
  border-radius: 999px;
  background: #f2eee8;
  color: #5f554d;
  font-size: 13px;
  font-weight: 700;
}

.day-list {
  display: grid;
  gap: 16px;
}

.day-card {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 18px;
  border-radius: 20px;
  background: #faf8f4;
  border: 1px solid #f0ebe4;
}

.day-num {
  font-size: 14px;
  font-weight: 800;
  color: #8a7f72;
}

.day-content h4 {
  margin: 0 0 6px;
  font-size: 18px;
}

.day-content p {
  margin: 0;
  color: #666;
}

.plan-arrows {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 24px;
}

.plan-arrows button {
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  font-size: 28px;
  cursor: pointer;
}

.hotel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.hotel-card {
  background: #fff;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 18px 42px rgba(0,0,0,0.06);
}

.hotel-image-wrap {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.hotel-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hotel-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.9);
  color: #1f1f1f;
  font-size: 12px;
  font-weight: 700;
}

.hotel-body {
  padding: 24px;
}

.hotel-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.hotel-top h3 {
  margin: 0 0 4px;
  font-size: 24px;
}

.hotel-location {
  margin: 0;
  color: #777;
  font-size: 14px;
}

.hotel-price {
  white-space: nowrap;
  font-weight: 800;
  font-size: 15px;
}

.hotel-desc {
  margin: 14px 0 16px;
  color: #666;
}

.hotel-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0 0 20px;
  list-style: none;
}

.hotel-features li {
  padding: 8px 12px;
  border-radius: 999px;
  background: #f4efe8;
  color: #5f554d;
  font-size: 13px;
}

.hotel-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.booking-btn {
  background: #003b95;
  color: #fff;
}

.agoda-btn {
  background: #d63c3c;
  color: #fff;
}

.budget-box {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border-radius: 28px;
  padding: 24px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.06);
}

.budget-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 4px;
  border-bottom: 1px solid #eee6dc;
  font-size: 16px;
}

.budget-row:last-child {
  border-bottom: none;
}

.budget-row.total {
  font-size: 18px;
  font-weight: 800;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tip-card {
  background: #fff;
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 18px 36px rgba(0,0,0,0.05);
}

.tip-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 20px;
}

.tip-card p {
  margin: 0;
  color: #666;
}

.site-footer {
  padding: 28px 0 40px;
  text-align: center;
  color: #777;
  font-size: 14px;
}

@media (max-width: 980px) {
  .overview-grid,
  .hotel-grid,
  .tips-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .nav {
    display: none;
  }

  .overview {
    margin-top: 0;
    padding-top: 24px;
  }

  .overview-grid,
  .hotel-grid,
  .tips-grid {
    grid-template-columns: 1fr;
  }

  .plan-panel {
    padding: 22px;
  }

  .plan-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .day-card {
    grid-template-columns: 1fr;
  }

  .hotel-top {
    flex-direction: column;
  }

  .hero {
    min-height: 64vh;
  }

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