:root {
  --primary: #1a3a34;
  --primary-dark: #0f2620;
  --primary-light: #2d5a4f;
  --accent: #e8a04c;
  --accent-warm: #d97a2c;
  --bg: #fbf7f0;
  --bg-alt: #f2ebdd;
  --card: #ffffff;
  --text: #1e2a26;
  --text-muted: #5a6863;
  --border: #e5ddc8;
  --shadow-sm: 0 2px 8px rgba(26, 58, 52, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 58, 52, 0.10);
  --shadow-lg: 0 20px 50px rgba(26, 58, 52, 0.15);
  --radius: 14px;
  --radius-lg: 22px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "PingFang SC", "Microsoft YaHei", "Source Han Serif SC", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; object-fit: cover; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 247, 240, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--primary);
  letter-spacing: 0.5px;
}
.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, var(--accent) 130%);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  box-shadow: var(--shadow-sm);
}
.nav-menu {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 6px 0;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--primary); }
.nav-menu a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-cta {
  padding: 10px 22px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}
.nav-cta:hover { background: var(--accent-warm); transform: translateY(-1px); }
.menu-toggle { display: none; font-size: 1.5rem; }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 90px 0 110px;
  background:
    radial-gradient(circle at 15% 20%, rgba(232, 160, 76, 0.12), transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(45, 90, 79, 0.14), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(232, 160, 76, 0.15);
  color: var(--accent-warm);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  line-height: 1.15;
  color: var(--primary-dark);
  margin-bottom: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--accent-warm), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 540px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-secondary:hover {
  background: var(--primary);
  color: #fff;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat .num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.hero-visual {
  position: relative;
  height: 480px;
}
.hero-img {
  position: absolute;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-img-main {
  width: 78%;
  height: 68%;
  top: 0;
  right: 0;
  z-index: 2;
}
.hero-img-sub {
  width: 55%;
  height: 45%;
  bottom: 0;
  left: 0;
  z-index: 3;
  border: 6px solid var(--bg);
}
.hero-img img { width: 100%; height: 100%; }
.hero-float-card {
  position: absolute;
  z-index: 4;
  background: #fff;
  padding: 16px 22px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  top: 40%;
  right: -20px;
  animation: floatY 4s ease-in-out infinite;
}
.hero-float-card .dot {
  width: 12px;
  height: 12px;
  background: #4ade80;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.25);
}
.hero-float-card .txt strong { display: block; font-size: 0.95rem; color: var(--primary); }
.hero-float-card .txt span { font-size: 0.8rem; color: var(--text-muted); }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ===== Section common ===== */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; margin-bottom: 60px; }
.section-eyebrow {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(45, 90, 79, 0.1);
  color: var(--primary);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  color: var(--primary-dark);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}
.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto;
}

/* ===== Feature grid ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}
.feature {
  background: var(--card);
  padding: 34px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.feature:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: grid;
  place-items: center;
  color: #fff;
  margin-bottom: 20px;
}
.feature h3 {
  font-size: 1.15rem;
  color: var(--primary-dark);
  margin-bottom: 10px;
  font-weight: 700;
}
.feature p { font-size: 0.95rem; color: var(--text-muted); }

/* ===== Service cards ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.service-card-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.service-card-img img {
  width: 100%;
  height: 100%;
  transition: transform 0.6s ease;
}
.service-card:hover .service-card-img img { transform: scale(1.08); }
.service-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
}
.service-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.service-card h3 {
  font-size: 1.15rem;
  color: var(--primary-dark);
  margin-bottom: 8px;
  font-weight: 700;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex: 1;
}
.service-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}
.price {
  font-family: var(--font-display);
  color: var(--accent-warm);
  font-weight: 800;
  font-size: 1.4rem;
}
.price .unit { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; margin-left: 3px; }
.service-card-foot .btn-mini {
  padding: 8px 16px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}
.service-card-foot .btn-mini:hover { background: var(--accent-warm); }

/* ===== Cases ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.case-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 340px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-card img { width: 100%; height: 100%; transition: transform 0.6s ease; }
.case-card:hover img { transform: scale(1.08); }
.case-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15, 38, 32, 0.85) 100%);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
}
.case-card-overlay .case-cat {
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 600;
}
.case-card-overlay h4 { font-size: 1.15rem; margin-bottom: 6px; }
.case-card-overlay p { font-size: 0.88rem; opacity: 0.85; }

/* ===== Reviews ===== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.review {
  background: var(--card);
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.review:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.review-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.1rem;
}
.review-meta strong { display: block; color: var(--primary-dark); font-size: 0.95rem; }
.review-meta span { font-size: 0.8rem; color: var(--text-muted); }
.review-stars { color: #f5b400; font-size: 0.95rem; letter-spacing: 2px; margin-bottom: 10px; }
.review-text { color: var(--text); font-size: 0.93rem; line-height: 1.7; }
.review-date { font-size: 0.78rem; color: var(--text-muted); margin-top: 12px; }

/* ===== CTA band ===== */
.cta-band {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: -50%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(232, 160, 76, 0.25), transparent 70%);
  border-radius: 50%;
}
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
}
.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 12px;
  font-weight: 800;
}
.cta-band p { color: rgba(255, 255, 255, 0.75); max-width: 500px; }
.cta-band .btn-primary { background: var(--accent); }
.cta-band .btn-primary:hover { background: var(--accent-warm); }

/* ===== About page ===== */
.about-hero {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-grid img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); height: 420px; width: 100%; }
.about-grid h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--primary-dark);
  margin-bottom: 20px;
  font-weight: 800;
}
.about-grid p { color: var(--text-muted); margin-bottom: 16px; }
.milestones {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 32px;
}
.milestone {
  background: var(--card);
  padding: 22px;
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}
.milestone strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 4px;
}
.milestone span { font-size: 0.9rem; color: var(--text-muted); }

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 26px;
}
.value {
  text-align: center;
  padding: 32px 22px;
  background: var(--card);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.value:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.value-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-warm);
  margin-bottom: 12px;
}
.value h4 { color: var(--primary-dark); margin-bottom: 8px; }
.value p { font-size: 0.9rem; color: var(--text-muted); }

/* ===== Service detail ===== */
.detail-hero {
  padding: 60px 0 40px;
  background: var(--bg-alt);
}
.breadcrumb {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { color: var(--accent-warm); }
.detail-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  color: var(--primary-dark);
  margin-bottom: 14px;
  font-weight: 800;
}
.detail-sub { color: var(--text-muted); margin-bottom: 20px; max-width: 700px; }
.detail-tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.detail-tab {
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--card);
  border: 1.5px solid var(--border);
  font-size: 0.9rem;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}
.detail-tab.active, .detail-tab:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.detail-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 40px;
  margin-top: 20px;
}
.detail-gallery img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: 20px;
  height: 400px;
}
.detail-desc h3 { margin: 24px 0 12px; color: var(--primary-dark); font-family: var(--font-display); }
.detail-desc ul { padding-left: 22px; color: var(--text-muted); }
.detail-desc li { margin-bottom: 8px; }

.detail-side {
  background: var(--card);
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  height: fit-content;
  position: sticky;
  top: 96px;
}
.detail-price {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--accent-warm);
  font-weight: 800;
  margin-bottom: 6px;
}
.detail-side .old-price {
  text-decoration: line-through;
  color: var(--text-muted);
  font-size: 1rem;
  margin-left: 10px;
}
.detail-side .save { font-size: 0.88rem; color: #10b981; margin-bottom: 20px; }
.detail-side ul { list-style: none; margin: 20px 0; }
.detail-side li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.92rem;
  display: flex;
  justify-content: space-between;
  color: var(--text);
}
.detail-side li span { color: var(--text-muted); }
.qty-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
}
.qty-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-alt);
  font-size: 1.2rem;
  color: var(--primary);
  display: grid;
  place-items: center;
}
.qty-val { font-weight: 700; font-size: 1.1rem; min-width: 30px; text-align: center; }

/* ===== Order page ===== */
.order-wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
}
.order-form {
  background: var(--card);
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.form-group { margin-bottom: 22px; }
.form-group label {
  display: block;
  font-size: 0.9rem;
  color: var(--primary-dark);
  font-weight: 600;
  margin-bottom: 8px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--bg);
  transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.pay-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.pay-method {
  padding: 16px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg);
}
.pay-method.active, .pay-method:hover {
  border-color: var(--accent);
  background: rgba(232, 160, 76, 0.08);
}
.pay-method .pay-icon { font-size: 1.6rem; margin-bottom: 6px; }
.pay-method div:last-child { font-size: 0.88rem; color: var(--primary-dark); font-weight: 600; }

.order-summary {
  background: var(--card);
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  height: fit-content;
  position: sticky;
  top: 96px;
}
.order-summary h3 { margin-bottom: 20px; color: var(--primary-dark); }
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.92rem;
}
.summary-row.total {
  border-bottom: none;
  border-top: 2px solid var(--primary);
  margin-top: 14px;
  padding-top: 16px;
  font-size: 1.15rem;
  color: var(--primary-dark);
  font-weight: 700;
}
.summary-row.total .price { font-size: 1.5rem; }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-info {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 40px;
  border-radius: var(--radius-lg);
}
.contact-info h2 { font-family: var(--font-display); margin-bottom: 12px; }
.contact-info > p { color: rgba(255, 255, 255, 0.75); margin-bottom: 30px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.contact-item:last-child { border-bottom: none; }
.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(232, 160, 76, 0.2);
  display: grid;
  place-items: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-item strong { display: block; font-size: 0.95rem; margin-bottom: 4px; }
.contact-item span { color: rgba(255, 255, 255, 0.7); font-size: 0.9rem; }
.contact-form {
  background: var(--card);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.contact-form h3 { margin-bottom: 20px; color: var(--primary-dark); font-family: var(--font-display); }

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 70px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}
.footer-desc { font-size: 0.92rem; line-height: 1.8; margin-bottom: 20px; }
.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 18px;
  font-weight: 600;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 0.9rem; }
.footer-col a:hover { color: var(--accent); }
.footer-info-line { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; margin-bottom: 10px; }
.footer-info-line svg { flex-shrink: 0; color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 28px;
  text-align: center;
  font-size: 0.86rem;
  line-height: 1.9;
}
.footer-bottom a { color: var(--accent); }
.footer-bottom a:hover { text-decoration: underline; }

/* ===== Float buttons ===== */
.float-btn {
  position: fixed;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  z-index: 90;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.float-btn:hover {
  transform: translateY(-4px) scale(1.05);
  background: var(--accent-warm);
}
.float-btn-service { bottom: 100px; background: var(--accent-warm); }
.float-btn-service:hover { background: var(--primary); }
.float-btn-top { bottom: 24px; opacity: 0; visibility: hidden; }
.float-btn-top.show { opacity: 1; visibility: visible; }

/* Chat popup */
.chat-pop {
  position: fixed;
  right: 24px;
  bottom: 165px;
  width: 320px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 91;
  overflow: hidden;
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.chat-pop.open { transform: translateY(0) scale(1); opacity: 1; visibility: visible; }
.chat-head {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chat-head strong { display: block; font-size: 1rem; }
.chat-head span { font-size: 0.78rem; opacity: 0.85; }
.chat-close { color: #fff; font-size: 1.2rem; opacity: 0.7; }
.chat-body { padding: 20px; max-height: 260px; overflow-y: auto; }
.chat-msg {
  background: var(--bg-alt);
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  margin-bottom: 12px;
  color: var(--text);
}
.chat-input-row {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
}
.chat-input-row input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.9rem;
  font-family: inherit;
}
.chat-send {
  padding: 10px 18px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: var(--transition);
  }
  .nav-menu.open { transform: translateY(0); }
  .menu-toggle { display: block; }
  .nav-cta { display: none; }
  .hero { padding: 60px 0 70px; }
  .hero-grid, .about-grid, .detail-main, .order-wrap, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 380px; }
  .hero-float-card { right: 10px; }
  .hero-stats { gap: 24px; }
  .section { padding: 60px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .detail-side, .order-summary { position: static; }
  .cta-band-inner { flex-direction: column; text-align: center; }
  .chat-pop { width: calc(100vw - 48px); right: 24px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .pay-methods { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
}

/* animations */
.fade-in { animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}