:root {
  --bg: #0a1412;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-2: rgba(255, 255, 255, 0.08);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --primary: #c8e4dc;
  --primary-2: #a8cbc0;
  --ok: #23c483;
  --warn: #ffcc66;
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% 10%, rgba(200, 228, 220, 0.35), transparent 60%),
    radial-gradient(1000px 700px at 80% 30%, rgba(168, 203, 192, 0.25), transparent 55%),
    radial-gradient(1000px 800px at 50% 100%, rgba(35, 196, 131, 0.16), transparent 60%),
    var(--bg);
}

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

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  padding: 10px 12px;
  background: #0d1a18;
  border: 1px solid var(--border);
  border-radius: 10px;
  z-index: 999;
}
.skip-link:focus {
  left: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(8, 12, 24, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  height: 36px;
  width: auto;
  border-radius: 6px;
  object-fit: contain;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  font-weight: 800;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(200, 228, 220, 0.95), rgba(168, 203, 192, 0.9));
  box-shadow: 0 14px 30px rgba(200, 228, 220, 0.3);
}

.brand-name {
  font-weight: 750;
  letter-spacing: 0.2px;
}

.brand-sub {
  font-size: 13px;
  color: var(--muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 10px 14px;
  font-weight: 650;
  letter-spacing: 0.1px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, #c8e4dc, #a8cbc0);
  color: #2d5a4a;
  box-shadow: 0 20px 45px rgba(200, 228, 220, 0.35);
}
.btn-primary:hover {
  filter: brightness(0.96);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.085);
}

.hero {
  padding: 38px 0 12px;
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 18px;
  align-items: stretch;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(30px, 3.2vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.5px;
}

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

.hero-controls {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr auto;
  gap: 12px;
  align-items: end;
}

.field {
  display: grid;
  gap: 8px;
}

.field-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.input,
.select {
  border-radius: 14px;
  padding: 12px 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.92);
  outline: none;
}

.input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.select option {
  color: #0d1a18;
}

.hero-card {
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: -80px -120px auto auto;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle at 30% 30%, rgba(35, 196, 131, 0.25), transparent 60%);
  transform: rotate(18deg);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(35, 196, 131, 0.12);
  border: 1px solid rgba(35, 196, 131, 0.22);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 700;
  font-size: 12px;
  position: relative;
  z-index: 1;
}

.h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.2px;
}
.h3 {
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.1px;
}

.checklist {
  margin: 12px 0 0;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.78);
  position: relative;
  z-index: 1;
}
.checklist li {
  margin: 8px 0;
}

.section {
  padding: 18px 0 6px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 10px 0 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.card {
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.product-card {
  grid-column: span 4;
  overflow: hidden;
  display: grid;
  grid-template-rows: 200px auto;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.product-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.075);
  border-color: rgba(255, 255, 255, 0.18);
}

.thumb {
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
}
.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.02);
}
.thumb::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 64px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.5));
}

.pc-body {
  padding: 14px;
  display: grid;
  gap: 10px;
}

.pc-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.badge {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.price strong {
  font-size: 18px;
}
.price s {
  color: rgba(255, 255, 255, 0.48);
  font-size: 13px;
}

.pc-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.empty {
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  border: 1px dashed rgba(255, 255, 255, 0.18);
  padding: 22px;
  margin-top: 12px;
}

.site-footer {
  padding: 24px 0 30px;
  margin-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 9, 18, 0.45);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-stats {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted, rgba(255, 255, 255, 0.4));
}

.footer-stats-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.footer-stats-label {
  font-weight: 600;
  color: var(--primary);
  opacity: 0.7;
}

.footer-stats-value {
  font-variant-numeric: tabular-nums;
}

.footer-stats-sep {
  opacity: 0.2;
}

.link {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: rgba(255, 255, 255, 0.84);
}
.link:hover {
  color: white;
}

.detail {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  align-items: start;
}

.gallery {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
}
.gallery-main {
  background: rgba(255, 255, 255, 0.04);
}
.gallery-main img {
  width: 100%;
  aspect-ratio: 800 / 800;
  object-fit: cover;
  display: block;
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.thumb-btn {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  padding: 0;
  overflow: hidden;
  cursor: pointer;
}
.thumb-btn img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  opacity: 0.9;
}
.thumb-btn[aria-current="true"] {
  outline: 2px solid rgba(200, 228, 220, 0.85);
  outline-offset: 2px;
}

.detail-side {
  display: grid;
  gap: 12px;
}

.panel {
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 16px;
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.22);
}

.kvs {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}
.kv {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.kv .k {
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}
.kv .v {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  font-size: 13px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.tag {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(200, 228, 220, 0.15);
  border: 1px solid rgba(200, 228, 220, 0.25);
}

.faq {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.faq > div {
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
}

.cta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.payment-section {
  margin-top: 10px;
}

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin: 0 0 10px;
}

.logistics-label {
  margin-top: 18px;
}

.icon-badges {
  display: flex;
  flex-wrap: nowrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  overflow-x: auto;
  padding-bottom: 4px;
}

.icon-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: none;
  flex-shrink: 0;
  cursor: default;
}

.icon-badge img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  display: block;
  transition: transform 160ms ease;
}

.icon-badge:hover img {
  transform: translateY(-2px);
}

.icon-badge .badge-label {
  font-size: 10px;
  color: rgba(255, 255, 255, 0);
  font-weight: 600;
  letter-spacing: 0.3px;
  white-space: nowrap;
  transition: color 200ms ease;
  text-align: center;
}

.icon-badge:hover .badge-label {
  color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-controls {
    grid-template-columns: 1fr 1fr;
  }
  #resetBtn {
    grid-column: 1 / -1;
  }
  .product-card {
    grid-column: span 6;
  }
  .detail {
    grid-template-columns: 1fr;
  }
  .gallery-thumbs {
    grid-template-columns: repeat(4, 1fr);
  }
  .faq {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(var(--container), calc(100% - 28px));
  }
  .header-actions .btn {
    padding: 10px 12px;
  }
  .product-card {
    grid-column: span 12;
  }
  .gallery-thumbs {
    grid-template-columns: repeat(3, 1fr);
  }
  .kv {
    grid-template-columns: 90px 1fr;
  }
}


/* ===== 产品详情图（单列平铺，790px 宽） ===== */
.detail-gallery {
  padding: 0;
}
.detail-gallery .h3 {
  margin: 0 0 14px;
}
.detail-img-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.detail-img-btn {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  padding: 0;
  overflow: hidden;
  cursor: zoom-in;
  display: block;
  width: 790px;
  max-width: 100%;
  margin: 0 auto;
}
.detail-img-btn img {
  width: 790px;
  max-width: 100%;
  height: auto;
  display: block;
}
.detail-img-btn:hover img {
  opacity: 0.92;
}

/* ===== 悬浮 WhatsApp 咨询按钮 ===== */
.float-wa {
  position: fixed;
  right: 20px;
  bottom: 80px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #c8e4dc;
  color: #1a2520;
  border-radius: 50px;
  padding: 10px 16px 10px 12px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  box-shadow: 0 4px 20px rgba(200, 228, 220, 0.5);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.float-wa:hover {
  transform: scale(1.06);
  box-shadow: 0 6px 28px rgba(200, 228, 220, 0.7);
  text-decoration: none;
  color: #1a2520;
}
.float-wa svg {
  flex-shrink: 0;
}
.float-wa-text {
  display: inline;
  white-space: pre-line;
}

@media (max-width: 480px) {
  .float-wa {
    right: 14px;
    bottom: 70px;
    padding: 10px 14px 10px 10px;
    font-size: 12px;
  }
  .float-wa-text {
    display: none;
  }
  .float-wa {
    border-radius: 50%;
    padding: 12px;
  }
}