/* N厂 — 仿表之王 · 深邃海蓝 + 金 */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --ocean: #0A1929;
  --ocean-light: #132F4C;
  --gold: #C9A961;
  --gold-light: #E4C888;
  --ivory: #F7F3E9;
  --grey: #8A9BA8;
  --red: #B91C1C;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Playfair Display', 'Cormorant Garamond', 'Times New Roman', 'SimSun', serif;
  background: var(--ocean);
  color: var(--ivory);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Topbar */
.topbar {
  background: #000;
  color: var(--gold-light);
  text-align: center;
  padding: 8px;
  font-size: 13px;
  letter-spacing: 2px;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,25,41,.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(201,169,97,.2);
}
.nav-wrap {
  max-width: 1400px; margin: 0 auto;
  padding: 22px 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  font-size: 34px;
  font-weight: 900;
  letter-spacing: 8px;
  color: var(--gold);
  display: flex; align-items: baseline; gap: 10px;
}
.brand small {
  font-size: 11px; color: var(--grey);
  letter-spacing: 3px; text-transform: uppercase;
}
.navlinks { display: flex; gap: 40px; }
.navlinks a {
  position: relative;
  font-size: 14px; letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 0;
  transition: .3s;
}
.navlinks a:hover, .navlinks a.on { color: var(--gold); }
.navlinks a::after {
  content: ''; position: absolute; bottom: 0; left: 50%;
  width: 0; height: 1px; background: var(--gold);
  transition: .3s;
}
.navlinks a:hover::after, .navlinks a.on::after { width: 100%; left: 0; }
.nav-cta {
  padding: 10px 22px; border: 1px solid var(--gold);
  color: var(--gold); font-size: 12px; letter-spacing: 2px;
  transition: .3s;
}
.nav-cta:hover { background: var(--gold); color: var(--ocean); }

/* Hero */
.hero {
  position: relative; min-height: 88vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(10,25,41,.85) 0%, rgba(10,25,41,.3) 100%),
    url('../shared-images/rolex-submariner-silver.jpg') center/cover;
}
.hero-inner {
  position: relative; max-width: 1400px;
  margin: 0 auto; padding: 0 40px; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  align-items: center;
}
.hero-text { z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; letter-spacing: 4px;
  color: var(--gold); margin-bottom: 30px;
  text-transform: uppercase;
}
.hero-badge::before, .hero-badge::after {
  content: ''; width: 40px; height: 1px; background: var(--gold);
}
.hero h1 {
  font-size: clamp(48px, 7vw, 104px);
  font-weight: 900; line-height: 0.95;
  letter-spacing: -1px; margin-bottom: 28px;
}
.hero h1 span {
  display: block; color: var(--gold);
  font-style: italic; font-weight: 400;
}
.hero p {
  font-size: 18px; color: var(--grey);
  max-width: 440px; margin-bottom: 40px;
}
.hero-btns { display: flex; gap: 20px; }
.btn {
  padding: 16px 38px; font-size: 13px;
  letter-spacing: 3px; text-transform: uppercase;
  cursor: pointer; transition: .3s;
  display: inline-flex; align-items: center; gap: 10px;
}
.btn-gold { background: var(--gold); color: var(--ocean); }
.btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); }
.btn-outline { border: 1px solid var(--ivory); color: var(--ivory); }
.btn-outline:hover { background: var(--ivory); color: var(--ocean); }

.hero-stats {
  position: absolute; bottom: 60px; left: 40px;
  display: flex; gap: 60px; z-index: 3;
}
.stat { text-align: left; }
.stat-num { font-size: 48px; color: var(--gold); font-weight: 700; }
.stat-label { font-size: 11px; letter-spacing: 3px; color: var(--grey); text-transform: uppercase; }

/* Sections */
.section { padding: 120px 40px; }
.section-wrap { max-width: 1400px; margin: 0 auto; }
.section-head { text-align: center; margin-bottom: 80px; }
.section-head .tag {
  font-size: 12px; letter-spacing: 6px;
  color: var(--gold); text-transform: uppercase;
  margin-bottom: 18px; display: block;
}
.section-head h2 {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700; letter-spacing: -.5px;
}
.section-head p {
  color: var(--grey); margin-top: 20px;
  max-width: 620px; margin-left: auto; margin-right: auto;
}

/* Featured Grid */
.featured {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.feat-card {
  position: relative; overflow: hidden;
  background: var(--ocean-light);
  border: 1px solid rgba(201,169,97,.15);
  cursor: pointer; transition: .4s;
}
.feat-card:hover { transform: translateY(-8px); border-color: var(--gold); }
.feat-card .img-wrap {
  aspect-ratio: 1/1; overflow: hidden;
  background: linear-gradient(135deg, #0D2438, #0A1929);
}
.feat-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: .6s;
}
.feat-card:hover img { transform: scale(1.08); }
.feat-card .info { padding: 28px 30px; }
.feat-card .info h3 {
  font-size: 22px; margin-bottom: 6px;
  letter-spacing: .5px;
}
.feat-card .info .brand-name {
  font-size: 11px; letter-spacing: 3px;
  color: var(--gold); text-transform: uppercase;
  margin-bottom: 18px; display: block;
}
.feat-card .info .desc {
  color: var(--grey); font-size: 14px; margin-bottom: 20px;
}
.feat-card .info .meta {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 18px; border-top: 1px solid rgba(201,169,97,.15);
}
.feat-card .info .price { color: var(--gold); font-size: 20px; font-weight: 700; }
.feat-card .info .view { font-size: 11px; letter-spacing: 2px; color: var(--grey); }

.feat-card .badge-hot {
  position: absolute; top: 16px; right: 16px;
  background: var(--red); color: #fff;
  padding: 4px 12px; font-size: 10px;
  letter-spacing: 2px; text-transform: uppercase;
}

/* Craft Section */
.craft {
  background: url('../shared-images/rolex-daytona-gold.jpg') center/cover fixed;
  position: relative;
}
.craft::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,25,41,.96) 0%, rgba(10,25,41,.5) 100%);
}
.craft .section-wrap { position: relative; }
.craft-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.craft-title { margin-bottom: 40px; }
.craft-list { display: flex; flex-direction: column; gap: 28px; }
.craft-item {
  display: grid; grid-template-columns: 60px 1fr;
  gap: 24px; padding-bottom: 28px;
  border-bottom: 1px solid rgba(201,169,97,.12);
}
.craft-num {
  font-size: 36px; color: var(--gold);
  font-weight: 100; font-style: italic;
}
.craft-item h4 {
  font-size: 20px; margin-bottom: 8px;
  letter-spacing: .5px;
}
.craft-item p { color: var(--grey); font-size: 14px; }

/* Timeline */
.timeline-wrap {
  background: var(--ocean-light);
}
.timeline {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 40px; margin-top: 40px;
}
.tl-item {
  text-align: center; padding: 40px 20px;
  border-left: 1px solid rgba(201,169,97,.2);
}
.tl-item:first-child { border-left: none; }
.tl-year { font-size: 48px; color: var(--gold); font-weight: 100; margin-bottom: 12px; font-style: italic; }
.tl-item h4 { font-size: 18px; margin-bottom: 10px; }
.tl-item p { color: var(--grey); font-size: 14px; }

/* CTA Band */
.cta-band {
  background: var(--gold);
  color: var(--ocean);
  padding: 60px 40px;
  display: flex; justify-content: space-between;
  align-items: center; gap: 40px;
  max-width: 1400px; margin: 0 auto 120px;
}
.cta-band h3 { font-size: 32px; font-style: italic; }
.cta-band .btn { background: var(--ocean); color: var(--gold); }
.cta-band .btn:hover { background: #000; }

/* Footer */
.site-footer {
  background: #050D17;
  border-top: 1px solid rgba(201,169,97,.15);
  padding: 80px 40px 30px;
}
.footer-grid {
  max-width: 1400px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px; padding-bottom: 60px;
  border-bottom: 1px solid rgba(201,169,97,.1);
}
.footer-brand h4 {
  color: var(--gold); font-size: 28px;
  letter-spacing: 6px; margin-bottom: 18px;
}
.footer-brand p { color: var(--grey); font-size: 14px; margin-bottom: 24px; }
.foot-col h5 {
  color: var(--gold); font-size: 13px;
  letter-spacing: 3px; margin-bottom: 20px;
  text-transform: uppercase;
}
.foot-col a {
  display: block; color: var(--grey);
  font-size: 14px; padding: 6px 0; transition: .3s;
}
.foot-col a:hover { color: var(--gold); padding-left: 6px; }
.copyright {
  max-width: 1400px; margin: 30px auto 0;
  color: var(--grey); font-size: 12px;
  text-align: center; letter-spacing: 2px;
}

/* ===== Shop ===== */
.shop-head {
  padding: 80px 40px 60px;
  text-align: center;
  background: url('../shared-images/patek-nautilus.jpg') center/cover;
  position: relative;
}
.shop-head::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(10,25,41,.88);
}
.shop-head > * { position: relative; }
.shop-head h1 {
  font-size: clamp(44px, 5vw, 72px);
  margin-bottom: 16px;
}
.shop-head p { color: var(--grey); font-size: 16px; }

.shop-layout {
  max-width: 1400px; margin: 60px auto;
  padding: 0 40px;
  display: grid; grid-template-columns: 1fr;
  gap: 60px;
}
.shop-filter { position: sticky; top: 110px; align-self: start; }
.filter-group { margin-bottom: 36px; }
.filter-group h5 {
  font-size: 13px; letter-spacing: 3px;
  color: var(--gold); text-transform: uppercase;
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 1px solid rgba(201,169,97,.2);
}
.filter-group label {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--grey);
  padding: 6px 0; cursor: pointer;
  transition: .2s;
}
.filter-group label:hover { color: var(--ivory); }
.filter-group input { accent-color: var(--gold); }

.shop-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

/* ===== Product Detail ===== */
.detail {
  max-width: 1400px; margin: 60px auto;
  padding: 0 40px;
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 80px;
}
.detail-gallery { display: flex; flex-direction: column; gap: 12px; }
.detail-main {
  aspect-ratio: 1/1;
  background: var(--ocean-light);
  overflow: hidden;
}
.detail-main img { width: 100%; height: 100%; object-fit: cover; }
.detail-thumbs {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
}
.detail-thumbs img {
  aspect-ratio: 1/1; object-fit: cover;
  background: var(--ocean-light); cursor: pointer;
  border: 2px solid transparent; transition: .3s;
}
.detail-thumbs img:hover { border-color: var(--gold); }

.detail-info .brand-tag {
  font-size: 12px; letter-spacing: 4px;
  color: var(--gold); text-transform: uppercase;
}
.detail-info h1 {
  font-size: 40px; margin: 16px 0;
  line-height: 1.1;
}
.detail-info .rating { color: var(--gold); font-size: 14px; margin-bottom: 24px; }
.detail-info .price-row {
  padding: 24px 0;
  border-top: 1px solid rgba(201,169,97,.2);
  border-bottom: 1px solid rgba(201,169,97,.2);
  margin-bottom: 30px;
}
.detail-info .price {
  font-size: 40px; color: var(--gold);
  font-weight: 700;
}
.detail-info .price-old {
  color: var(--grey); text-decoration: line-through;
  margin-left: 14px; font-size: 18px;
}
.detail-info .desc-text {
  color: var(--grey); margin-bottom: 30px;
  font-size: 15px;
}
.spec-list {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px 30px; margin-bottom: 36px;
}
.spec-item { padding: 12px 0; border-bottom: 1px dotted rgba(201,169,97,.15); }
.spec-item .k {
  display: block; font-size: 11px;
  color: var(--grey); letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 4px;
}
.spec-item .v { color: var(--ivory); font-size: 14px; }
.action-row { display: flex; gap: 16px; }
.action-row .btn-gold { flex: 1; justify-content: center; }

/* About */
.about-hero {
  padding: 120px 40px 80px; text-align: center;
  background: url('../shared-images/patek-table.jpg') center/cover;
  position: relative;
}
.about-hero::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(10,25,41,.88);
}
.about-hero > * { position: relative; }
.about-hero h1 {
  font-size: clamp(44px, 6vw, 84px);
}
.about-hero p {
  color: var(--grey); margin-top: 20px;
  max-width: 620px; margin-left: auto; margin-right: auto;
}

.about-body {
  max-width: 1100px; margin: 80px auto;
  padding: 0 40px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.about-body img { aspect-ratio: 4/5; object-fit: cover; }
.about-body h2 { font-size: 40px; margin-bottom: 24px; font-style: italic; color: var(--gold); }
.about-body p { color: var(--grey); margin-bottom: 16px; font-size: 15px; }

.values {
  background: var(--ocean-light);
}
.value-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.value-card {
  text-align: center; padding: 50px 30px;
  border: 1px solid rgba(201,169,97,.15);
}
.value-icon {
  width: 70px; height: 70px;
  border: 1px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  color: var(--gold); font-size: 28px;
  transform: rotate(45deg);
}
.value-icon span { transform: rotate(-45deg); }
.value-card h3 { font-size: 20px; margin-bottom: 12px; }
.value-card p { color: var(--grey); font-size: 14px; }

/* Contact */
.contact-layout {
  max-width: 1200px; margin: 80px auto;
  padding: 0 40px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.contact-info h2 { font-size: 44px; margin-bottom: 20px; font-style: italic; }
.contact-info p { color: var(--grey); margin-bottom: 40px; }
.contact-item {
  display: flex; gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(201,169,97,.12);
}
.contact-item .ico {
  width: 44px; height: 44px;
  background: var(--gold); color: var(--ocean);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.contact-item h5 { font-size: 12px; color: var(--grey); letter-spacing: 3px; text-transform: uppercase; }
.contact-item p { margin: 6px 0 0; color: var(--ivory); font-size: 16px; }

.form-wrap {
  background: var(--ocean-light);
  padding: 50px;
  border: 1px solid rgba(201,169,97,.15);
}
.form-wrap h3 { font-size: 26px; margin-bottom: 30px; }
.form-row { margin-bottom: 20px; }
.form-row label { font-size: 12px; color: var(--grey); letter-spacing: 2px; text-transform: uppercase; }
.form-row input, .form-row textarea {
  width: 100%; margin-top: 8px;
  background: transparent;
  border: 1px solid rgba(201,169,97,.3);
  color: var(--ivory); padding: 14px;
  font-family: inherit; font-size: 14px;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none; border-color: var(--gold);
}
.form-row textarea { resize: vertical; min-height: 120px; }

/* Responsive */
@media (max-width: 900px) {
  .navlinks { display: none; }
  .hero-inner, .craft-grid, .shop-layout, .detail, .about-body, .contact-layout, .footer-grid {
    grid-template-columns: 1fr;
  }
  .featured, .shop-grid, .value-grid { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .nav-wrap { padding: 16px 20px; }
  .section { padding: 70px 20px; }
  .hero-stats { position: static; margin-top: 40px; }
}
@media (max-width: 560px) {
  .featured, .shop-grid, .value-grid, .timeline { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}


/* chip-filter-bar - 通用顶部筛选条 */
.chip-filter-bar {
  max-width: 1400px;
  margin: 40px auto 20px;
  padding: 0 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-start;
  align-items: center;
}
.chip-filter {
  padding: 10px 22px;
  font-size: 13px;
  letter-spacing: 2px;
  font-weight: 600;
  cursor: pointer;
  background: rgba(128,128,128,.08);
  border: 1px solid rgba(128,128,128,.2);
  border-radius: 50px;
  transition: .2s;
  user-select: none;
}
.chip-filter:hover {
  background: rgba(128,128,128,.15);
  transform: translateY(-1px);
}
.chip-filter.on {
  background: var(--gold, #C9A961);
  color: #fff;
  border-color: var(--gold, #C9A961);
}