/* ============================================
   CAELUM NOVATRADE — Premium Fur Manufacturer
   Global Stylesheet
   ============================================ */

:root {
  --ink: #111315;
  --muted: #6f747b;
  --bg: #f4f1ec;
  --bg2: #ebe6de;
  --champagne: #c6a06a;
  --champagne2: #e6d3b4;
  --champagne-dark: #a8854a;
  --shadow: 0 28px 90px rgba(7,9,11,.16);
  --radius: 28px;
  --radius-sm: 16px;
  --max: 1240px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}
body::before {
  content: '';
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.035;
  pointer-events: none;
  z-index: 0;
  animation: noiseShift 8s steps(10) infinite;
}
@keyframes noiseShift {
  0%,100% { transform: translate(0,0); }
  10% { transform: translate(-2%,-1%); }
  20% { transform: translate(1%,-2%); }
  30% { transform: translate(-1%,2%); }
  40% { transform: translate(2%,1%); }
  50% { transform: translate(-2%,1%); }
  60% { transform: translate(1%,2%); }
  70% { transform: translate(2%,-1%); }
  80% { transform: translate(-1%,-2%); }
  90% { transform: translate(1%,1%); }
}
.serif { font-family: 'Playfair Display', Georgia, serif; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }
img { max-width: 100%; height: auto; }
a { color: inherit; }

/* Image beautify filter */
.img-beautify {
  filter: brightness(0.93) contrast(1.12) saturate(0.85) sepia(0.08);
  transition: filter 0.5s, transform 0.6s;
}
.img-beautify:hover {
  filter: brightness(0.97) contrast(1.18) saturate(0.9) sepia(0.04);
  transform: scale(1.03);
}

/* ===== Top Bar ===== */
.top-bar {
  background: var(--ink);
  color: var(--champagne2);
  padding: 8px 0;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
  z-index: 1;
}
.top-bar-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.top-bar-left { display: flex; align-items: center; gap: 14px; }
.top-bar-right { display: flex; align-items: center; gap: 0; }
.top-bar-right span { margin: 0 10px; }
.top-dot { color: var(--champagne); opacity: 0.5; }

/* ===== Social Icons ===== */
.social-icons { display: flex; align-items: center; gap: 12px; }
.social-icons a {
  color: var(--champagne2); opacity: 0.7;
  transition: all 0.25s; display: flex; align-items: center;
  text-decoration: none;
}
.social-icons a:hover { opacity: 1; color: var(--champagne); transform: translateY(-1px); }
.footer-social { margin-top: 20px; }
.footer-social .social-icons a { color: var(--muted); }
.footer-social .social-icons a:hover { color: var(--champagne); }

/* ===== Navigation ===== */
.nav {
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244,241,236,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(17,19,21,0.06);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; max-width: var(--max); margin: 0 auto;
}
.nav-left, .nav-right {
  display: flex; align-items: center; gap: 0; flex: 1;
}
.nav-right { justify-content: flex-end; gap: 32px; }
.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 20px; font-weight: 600; letter-spacing: 4px;
  text-align: center; color: var(--ink);
  text-decoration: none; line-height: 1.1;
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.75; }
.nav-logo small {
  display: block; font-family: 'Inter', sans-serif;
  font-size: 8px; letter-spacing: 5px; font-weight: 400;
  color: var(--champagne); margin-top: 3px;
}
.nav-links { display: flex; gap: 0; list-style: none; margin: 0; padding: 0; }
.nav-links li { position: relative; }
.nav-links a {
  text-decoration: none; color: var(--ink);
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  font-weight: 500; padding: 8px 0; margin: 0 18px;
  position: relative; transition: color 0.25s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 2px; left: 50%;
  width: 0; height: 1px; background: var(--champagne);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform: translateX(-50%);
}
.nav-links a:hover, .nav-links a.active { color: var(--champagne-dark); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.quote-btn {
  background: transparent; color: var(--ink);
  border: 1px solid var(--champagne);
  padding: 10px 26px; font-size: 10px; letter-spacing: 2px;
  text-transform: uppercase; cursor: pointer;
  font-family: 'Inter', sans-serif; font-weight: 500;
  border-radius: 100px; transition: all 0.3s;
  text-decoration: none; display: inline-block;
}
.quote-btn:hover { background: var(--champagne); color: #fff; border-color: var(--champagne); }

/* ===== Page Hero (内页) ===== */
.page-hero {
  padding: 70px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg2) 0%, var(--bg) 100%);
}
.page-hero .eyebrow {
  font-size: 11px; letter-spacing: 4px; text-transform: uppercase;
  color: var(--champagne-dark); margin-bottom: 14px; font-weight: 600;
}
.page-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: 52px; font-weight: 600; margin-bottom: 16px; line-height: 1.1;
}
.page-hero h1 em { font-style: italic; color: var(--champagne-dark); font-weight: 400; }
.page-hero p {
  font-size: 15px; color: var(--muted); max-width: 600px;
  margin: 0 auto; font-weight: 300; line-height: 1.8;
}
.breadcrumb {
  font-size: 12px; color: var(--muted); margin-bottom: 20px;
  letter-spacing: 1px;
}
.breadcrumb a { color: var(--champagne-dark); text-decoration: none; }
.breadcrumb span { margin: 0 8px; }

/* ===== Buttons ===== */
.btn-primary {
  background: var(--ink); color: #fff; border: none;
  padding: 16px 36px; font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase; cursor: pointer;
  font-family: 'Inter', sans-serif; font-weight: 600;
  border-radius: 100px; transition: all 0.3s;
  box-shadow: 0 8px 24px rgba(17,19,21,0.2);
  text-decoration: none; display: inline-block;
}
.btn-primary:hover { background: var(--champagne); color: var(--ink); transform: translateY(-2px); }
.btn-ghost {
  background: transparent; color: var(--ink);
  border: 1px solid rgba(17,19,21,0.2);
  padding: 16px 36px; font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase; cursor: pointer;
  font-family: 'Inter', sans-serif; font-weight: 500;
  border-radius: 100px; transition: all 0.3s;
  text-decoration: none; display: inline-block;
}
.btn-ghost:hover { border-color: var(--champagne); color: var(--champagne-dark); }

/* ===== Marquee ===== */
.marquee {
  background: var(--ink); padding: 16px 0; overflow: hidden; white-space: nowrap;
}
.marquee-inner { display: inline-block; animation: marquee 35s linear infinite; }
.marquee span {
  font-family: 'Playfair Display', serif; font-size: 15px;
  font-style: italic; color: var(--champagne2); margin: 0 36px; letter-spacing: 1px;
}
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ===== Sections ===== */
.section { padding: 80px 0; position: relative; z-index: 1; }
.section-dark { background: var(--ink); color: #e8e8e8; }
.section-alt { background: var(--bg2); }
.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }
.section-eyebrow {
  font-size: 11px; letter-spacing: 4px; text-transform: uppercase;
  color: var(--champagne-dark); margin-bottom: 14px; font-weight: 600;
}
.section-dark .section-eyebrow { color: var(--champagne); }
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: 44px; font-weight: 600; line-height: 1.1; margin-bottom: 18px;
}
.section-title em { font-style: italic; color: var(--champagne-dark); font-weight: 400; }
.section-dark .section-title em { color: var(--champagne); }
.section-sub {
  font-size: 15px; color: var(--muted); max-width: 560px;
  line-height: 1.8; font-weight: 300;
}
.section-dark .section-sub { color: #999; }

/* ===== Hero (首页) ===== */
.hero { position: relative; padding: 80px 0 100px; overflow: hidden; }

/* Hero Video Background */
.hero-video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  filter: blur(4px) brightness(0.85) saturate(0.9);
  transform: scale(1.05);
}
.hero-video.active {
  opacity: 1;
}
.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(17,19,21,0.55) 0%, rgba(17,19,21,0.35) 50%, rgba(17,19,21,0.5) 100%);
  z-index: 1;
}
.hero .wrap {
  position: relative;
  z-index: 2;
}
/* Hero文字在视频背景上改为浅色 */
.hero .hero-eyebrow { color: var(--champagne2); }
.hero .hero-title { color: #fff; }
.hero .hero-title em { color: var(--champagne2); }
.hero .hero-desc { color: rgba(255,255,255,0.8); }
.hero .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.4); }
.hero .btn-ghost:hover { background: rgba(255,255,255,0.1); }
/* 移动端禁用视频，用静态图 */
@media (max-width: 768px) {
  .hero-video-bg { display: none; }
  .hero .hero-title { color: var(--ink); }
  .hero .hero-title em { color: var(--champagne-dark); }
  .hero .hero-desc { color: var(--muted); }
  .hero .btn-ghost { color: var(--ink); border-color: var(--ink); }
}
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 48px; align-items: center;
}
.hero-eyebrow {
  font-size: 11px; letter-spacing: 4px; text-transform: uppercase;
  color: var(--champagne-dark); margin-bottom: 20px; font-weight: 600;
  display: flex; align-items: center; gap: 12px;
}
.hero-eyebrow::before {
  content: ''; width: 32px; height: 1px; background: var(--champagne);
}
.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: 64px; font-weight: 600; line-height: 1.05;
  margin-bottom: 24px; color: var(--ink); letter-spacing: -1px;
}
.hero-title em { font-style: italic; color: var(--champagne-dark); font-weight: 400; }
.hero-desc {
  font-size: 15px; color: var(--muted); line-height: 1.85;
  margin-bottom: 36px; max-width: 480px; font-weight: 300;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
  position: relative; border-radius: var(--radius);
  overflow: hidden; aspect-ratio: 4/5; box-shadow: var(--shadow);
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; }
.hero-image::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(198,160,106,0.15));
  pointer-events: none;
}
.hero-badge {
  position: absolute; bottom: 24px; left: 24px;
  background: rgba(244,241,236,0.92); backdrop-filter: blur(8px);
  padding: 14px 20px; border-radius: var(--radius-sm);
  font-size: 12px; color: var(--ink);
}
.hero-badge strong {
  color: var(--champagne-dark); font-family: 'Playfair Display', serif;
  font-size: 18px; display: block;
}

/* ===== Brand Statement ===== */
.brand-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.brand-text h2 {
  font-family: 'Playfair Display', serif;
  font-size: 38px; font-weight: 500; line-height: 1.2; margin-bottom: 20px;
}
.brand-text h2 em { color: var(--champagne-dark); font-style: italic; }
.brand-text p {
  font-size: 14px; color: var(--muted); line-height: 1.9; margin-bottom: 16px; font-weight: 300;
}
.brand-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px;
  padding-top: 28px; border-top: 1px solid rgba(17,19,21,0.1);
}
.bstat-num {
  font-family: 'Playfair Display', serif; font-size: 32px;
  color: var(--champagne-dark); font-weight: 600;
}
.bstat-label { font-size: 11px; color: var(--muted); letter-spacing: 1px; text-transform: uppercase; }
.brand-image {
  border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/5;
  box-shadow: var(--shadow); position: relative;
}
.brand-image img { width: 100%; height: 100%; object-fit: cover; }

/* ===== Product Categories ===== */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cat-card {
  background: #fff; border-radius: var(--radius); padding: 36px 32px;
  transition: all 0.4s; border: 1px solid rgba(17,19,21,0.05);
  position: relative; overflow: hidden; text-decoration: none; color: inherit; display: block;
}
.cat-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--champagne);
}
.cat-num {
  font-family: 'Playfair Display', serif; font-size: 13px;
  color: var(--champagne); margin-bottom: 16px; font-style: italic; letter-spacing: 2px;
}
.cat-name {
  font-family: 'Playfair Display', serif; font-size: 26px;
  font-weight: 600; margin-bottom: 4px;
}
.cat-name-cn { font-size: 11px; color: var(--muted); letter-spacing: 2px; margin-bottom: 24px; }
.cat-list { list-style: none; margin-bottom: 28px; }
.cat-list li {
  font-size: 13px; color: var(--muted); padding: 8px 0;
  border-bottom: 1px solid rgba(17,19,21,0.06);
  display: flex; justify-content: space-between; font-weight: 300;
}
.cat-list li span:last-child {
  color: var(--champagne-dark); font-size: 12px;
  font-family: 'Playfair Display', serif; font-style: italic;
}
.cat-link {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--ink); text-decoration: none; font-weight: 600;
  border-bottom: 1px solid var(--ink); padding-bottom: 3px;
}
.cat-link:hover { color: var(--champagne-dark); border-color: var(--champagne); }

/* ===== Featured Products Editorial ===== */
.editorial-row {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px;
  align-items: center; margin-bottom: 72px;
}
.editorial-row.reverse { grid-template-columns: 0.9fr 1.1fr; }
.editorial-row.reverse .editorial-image { order: 2; }
.editorial-image {
  border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/5;
  box-shadow: var(--shadow); position: relative;
}
.editorial-image img { width: 100%; height: 100%; object-fit: cover; }
.editorial-image .tag {
  position: absolute; top: 20px; left: 20px;
  background: var(--champagne); color: var(--ink);
  padding: 7px 16px; font-size: 10px; letter-spacing: 2px;
  text-transform: uppercase; font-weight: 600; border-radius: 100px;
}
.editorial-content .num {
  font-family: 'Playfair Display', serif; font-size: 56px;
  color: rgba(198,160,106,0.25); font-style: italic; margin-bottom: 8px; line-height: 1; font-weight: 700;
}
.editorial-content h3 {
  font-family: 'Playfair Display', serif; font-size: 30px;
  font-weight: 600; margin-bottom: 10px;
}
.editorial-content .material {
  font-size: 12px; color: var(--champagne-dark); letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 18px; font-weight: 500;
}
.editorial-content p {
  font-size: 14px; color: var(--muted); line-height: 1.8; margin-bottom: 24px; font-weight: 300;
}
.specs { display: flex; gap: 32px; margin-bottom: 28px; }
.spec-item .val {
  font-family: 'Playfair Display', serif; font-size: 22px; color: var(--champagne-dark); font-weight: 600;
}
.spec-item .label { font-size: 10px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; }

/* ===== Product Grid (产品列表页) ===== */
.product-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}
.product-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  transition: all 0.4s; border: 1px solid rgba(17,19,21,0.05);
  text-decoration: none; color: inherit; display: block;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.product-card-img {
  aspect-ratio: 4/5; overflow: hidden; background: var(--bg2);
}
.product-card-img img { width: 100%; height: 100%; object-fit: cover; }
.product-card-body { padding: 24px; }
.product-card h3 {
  font-family: 'Playfair Display', serif; font-size: 20px;
  font-weight: 600; margin-bottom: 6px;
}
.product-card .meta {
  font-size: 12px; color: var(--muted); letter-spacing: 1px; margin-bottom: 12px;
}
.product-card .price {
  font-size: 14px; color: var(--champagne-dark); font-weight: 600;
  font-family: 'Playfair Display', serif;
}

/* ===== Factory ===== */
.factory-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-radius: var(--radius); overflow: hidden;
}
.factory-image { position: relative; min-height: 480px; }
.factory-image img { width: 100%; height: 100%; object-fit: cover; }
.factory-image::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(17,19,21,0.5));
}
.factory-content {
  background: var(--ink); padding: 64px 48px;
  display: flex; flex-direction: column; justify-content: center;
}
.factory-title {
  font-family: 'Playfair Display', serif; font-size: 36px;
  font-weight: 600; margin-bottom: 20px; line-height: 1.15; color: #fff;
}
.factory-title em { color: var(--champagne); font-style: italic; font-weight: 400; }
.factory-desc {
  font-size: 14px; color: #aaa; line-height: 1.9; margin-bottom: 32px; font-weight: 300;
}
.factory-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-bottom: 32px; padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.fstat-num {
  font-family: 'Playfair Display', serif; font-size: 30px;
  color: var(--champagne); font-weight: 600;
}
.fstat-label { font-size: 10px; color: #777; letter-spacing: 1px; text-transform: uppercase; line-height: 1.4; }
.factory-list { list-style: none; margin-bottom: 28px; }
.factory-list li {
  font-size: 13px; color: #bbb; padding: 9px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex; align-items: center; gap: 12px; font-weight: 300;
}
.factory-list li::before { content: '◆'; color: var(--champagne); font-size: 7px; }

/* ===== OEM Process ===== */
.oem-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.oem-step {
  padding: 40px 28px; border-right: 1px solid rgba(17,19,21,0.08);
  position: relative; transition: background 0.3s;
}
.oem-step:last-child { border-right: none; }
.oem-step:hover { background: rgba(198,160,106,0.06); }
.step-num {
  font-family: 'Playfair Display', serif; font-size: 48px;
  color: rgba(198,160,106,0.2); font-style: italic;
  margin-bottom: 14px; line-height: 1; font-weight: 700;
}
.step-title {
  font-family: 'Playfair Display', serif; font-size: 20px;
  margin-bottom: 10px; font-weight: 600;
}
.step-desc { font-size: 13px; color: var(--muted); line-height: 1.7; font-weight: 300; }

/* ===== Process Timeline (工厂页) ===== */
.timeline { max-width: 800px; margin: 0 auto; }
.timeline-item {
  display: flex; gap: 32px; padding: 28px 0;
  border-bottom: 1px solid rgba(17,19,21,0.08);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-num {
  font-family: 'Playfair Display', serif; font-size: 36px;
  color: var(--champagne); font-weight: 600; min-width: 60px;
}
.timeline-content h4 {
  font-family: 'Playfair Display', serif; font-size: 20px;
  margin-bottom: 8px; font-weight: 600;
}
.timeline-content p {
  font-size: 14px; color: var(--muted); line-height: 1.7; font-weight: 300;
}

/* ===== Client Grid (九宫格) ===== */
.client-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.client-card {
  aspect-ratio: 1; border-radius: 20px; overflow: hidden;
  position: relative; cursor: pointer;
}
.client-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.client-card:hover img { transform: scale(1.08); }
.client-card .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(17,19,21,0.7), transparent 50%);
  display: flex; align-items: flex-end; padding: 20px;
  opacity: 0; transition: opacity 0.3s;
}
.client-card:hover .overlay { opacity: 1; }
.client-card .overlay span {
  color: #fff; font-size: 12px; letter-spacing: 1px;
  text-transform: uppercase; font-weight: 500;
}

/* ===== Journal / Blog ===== */
.journal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.journal-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  transition: all 0.4s; border: 1px solid rgba(17,19,21,0.05);
  text-decoration: none; color: inherit; display: block;
}
.journal-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.journal-img { aspect-ratio: 16/10; overflow: hidden; }
.journal-img img { width: 100%; height: 100%; object-fit: cover; }
.journal-body { padding: 28px; }
.journal-cat {
  font-size: 10px; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--champagne-dark); margin-bottom: 10px; font-weight: 600;
}
.journal-title {
  font-family: 'Playfair Display', serif; font-size: 20px;
  margin-bottom: 12px; line-height: 1.35; font-weight: 600;
}
.journal-excerpt {
  font-size: 13px; color: var(--muted); line-height: 1.7; margin-bottom: 16px; font-weight: 300;
}
.journal-link {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--ink); text-decoration: none; font-weight: 600;
  border-bottom: 1px solid var(--ink); padding-bottom: 2px;
}
.journal-meta {
  font-size: 11px; color: var(--muted); margin-top: 12px;
  display: flex; gap: 16px; letter-spacing: 0.5px;
}

/* ===== Blog Article ===== */
.article { max-width: 760px; margin: 0 auto; }
.article h2 {
  font-family: 'Playfair Display', serif; font-size: 28px;
  margin: 40px 0 16px; font-weight: 600;
}
.article h3 {
  font-family: 'Playfair Display', serif; font-size: 22px;
  margin: 32px 0 12px; font-weight: 600;
}
.article p {
  font-size: 15px; color: #333; line-height: 1.9; margin-bottom: 20px; font-weight: 300;
}
.article ul, .article ol { margin: 16px 0 24px 24px; }
.article li {
  font-size: 15px; color: #333; line-height: 1.8; margin-bottom: 10px; font-weight: 300;
}
.article blockquote {
  border-left: 3px solid var(--champagne);
  padding: 16px 24px; margin: 28px 0;
  font-family: 'Playfair Display', serif; font-style: italic;
  font-size: 18px; color: var(--muted); background: rgba(198,160,106,0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.article-featured {
  border-radius: var(--radius); overflow: hidden; margin-bottom: 40px;
  aspect-ratio: 16/9;
}
.article-featured img { width: 100%; height: 100%; object-fit: cover; }

/* ===== CTA / Inquiry Form ===== */
.cta {
  background:
    linear-gradient(135deg, rgba(17,19,21,0.88), rgba(17,19,21,0.82)),
    url('images/products/素材3.jpg') center/cover;
  padding: 100px 0;
}
.cta-inner { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-eyebrow {
  font-size: 11px; letter-spacing: 4px; text-transform: uppercase;
  color: var(--champagne); margin-bottom: 18px;
}
.cta-title {
  font-family: 'Playfair Display', serif; font-size: 48px;
  font-weight: 600; margin-bottom: 16px; color: #fff; line-height: 1.1;
}
.cta-title em { font-style: italic; color: var(--champagne); font-weight: 400; }
.cta-desc { font-size: 15px; color: #bbb; margin-bottom: 44px; font-weight: 300; }
.cta-form {
  background: rgba(255,255,255,0.06); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 36px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  text-align: left;
}
.cta-form input, .cta-form select, .cta-form textarea {
  width: 100%; border: 1px solid rgba(255,255,255,0.12);
  padding: 13px 16px; font-family: 'Inter', sans-serif; font-size: 13px;
  background: rgba(255,255,255,0.04); color: #fff;
  border-radius: 12px; outline: none; transition: border-color 0.3s;
}
.cta-form input::placeholder, .cta-form textarea::placeholder { color: rgba(255,255,255,0.4); }
.cta-form input:focus, .cta-form select:focus, .cta-form textarea:focus { border-color: var(--champagne); }
.cta-form select option { background: var(--ink); color: #fff; }
.cta-form textarea { grid-column: 1 / -1; min-height: 90px; resize: vertical; }
.cta-form .full { grid-column: 1 / -1; }
.cta-form label {
  font-size: 11px; color: rgba(255,255,255,0.6);
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px; display: block;
}
.cta-submit {
  grid-column: 1 / -1;
  background: var(--champagne); color: var(--ink); border: none;
  padding: 16px; font-size: 12px; letter-spacing: 2.5px;
  text-transform: uppercase; cursor: pointer;
  font-family: 'Inter', sans-serif; font-weight: 600;
  border-radius: 100px; transition: all 0.3s;
}
.cta-submit:hover { background: #fff; }

/* ===== Detailed Form (contact页 26字段) ===== */
.detailed-form {
  background: #fff; border-radius: var(--radius); padding: 48px;
  box-shadow: var(--shadow);
}
.form-group { margin-bottom: 28px; }
.form-group-title {
  font-family: 'Playfair Display', serif; font-size: 18px;
  font-weight: 600; margin-bottom: 16px; padding-bottom: 10px;
  border-bottom: 2px solid var(--champagne); display: inline-block;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 14px; }
.form-row.full { grid-template-columns: 1fr; }
.form-field label {
  font-size: 11px; color: var(--muted); letter-spacing: 1px;
  text-transform: uppercase; margin-bottom: 6px; display: block; font-weight: 500;
}
.form-field label .req { color: #c0392b; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; border: 1px solid rgba(17,19,21,0.15);
  padding: 12px 16px; font-family: 'Inter', sans-serif; font-size: 13px;
  background: var(--bg); color: var(--ink);
  border-radius: 12px; outline: none; transition: border-color 0.3s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--champagne); background: #fff;
}
.form-field textarea { min-height: 80px; resize: vertical; }

/* ===== Certificates ===== */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cert-card {
  background: #fff; border-radius: var(--radius); padding: 32px 24px;
  text-align: center; transition: all 0.3s; border: 1px solid rgba(17,19,21,0.05);
}
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.cert-icon {
  width: 64px; height: 64px; margin: 0 auto 16px;
  background: rgba(198,160,106,0.1); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.cert-card h4 {
  font-family: 'Playfair Display', serif; font-size: 16px;
  margin-bottom: 6px; font-weight: 600;
}
.cert-card p { font-size: 12px; color: var(--muted); font-weight: 300; }

/* ===== Footer ===== */
.footer {
  background: #0c0d0e; color: #888; padding: 64px 0 28px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px;
}
.footer-brand {
  font-family: 'Playfair Display', serif; font-size: 20px;
  color: #fff; letter-spacing: 3px; margin-bottom: 16px; font-weight: 700;
}
.footer-brand small {
  display: block; font-family: 'Inter', sans-serif;
  font-size: 8px; letter-spacing: 4px; color: var(--champagne); margin-top: 4px;
}
.footer-desc {
  font-size: 13px; line-height: 1.8; margin-bottom: 20px; max-width: 320px; font-weight: 300;
}
.footer-contact { font-size: 12px; line-height: 2.2; }
.footer-contact strong { color: #ccc; font-weight: 500; }
.footer-col h4 {
  font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--champagne); margin-bottom: 20px; font-weight: 600;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: #888; text-decoration: none; font-size: 13px;
  transition: color 0.2s; font-weight: 300;
}
.footer-col a:hover { color: var(--champagne); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px; display: flex; justify-content: space-between;
  font-size: 11px; color: #555; flex-wrap: wrap; gap: 12px;
}

/* ===== Floating WhatsApp ===== */
.float-wa {
  position: fixed; bottom: 28px; right: 28px; z-index: 99;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff; display: flex;
  align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,0.4);
  cursor: pointer; transition: transform 0.3s; text-decoration: none;
}
.float-wa:hover { transform: scale(1.1); }

/* ===== Thank You Page ===== */
.thank-you {
  text-align: center; padding: 120px 0;
}
.thank-you .icon {
  width: 80px; height: 80px; margin: 0 auto 32px;
  background: rgba(198,160,106,0.15); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px; color: var(--champagne-dark);
}
.thank-you h1 {
  font-family: 'Playfair Display', serif; font-size: 48px;
  font-weight: 600; margin-bottom: 16px;
}
.thank-you p {
  font-size: 16px; color: var(--muted); max-width: 500px;
  margin: 0 auto 36px; font-weight: 300; line-height: 1.8;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-grid, .brand-grid, .factory-grid, .editorial-row, .editorial-row.reverse { grid-template-columns: 1fr; }
  .editorial-row.reverse .editorial-image { order: 0; }
  .cat-grid, .journal-grid, .product-grid { grid-template-columns: 1fr; }
  .client-grid { grid-template-columns: repeat(2, 1fr); }
  .oem-steps { grid-template-columns: repeat(2, 1fr); }
  .factory-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .hero-title { font-size: 40px; }
  .section-title { font-size: 32px; }
  .page-hero h1 { font-size: 36px; }
  .form-row { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-form { grid-template-columns: 1fr; padding: 24px; }
  .detailed-form { padding: 28px; }
}

/* ============================================
   Language Switcher (i18n) - Prominent Style
   ============================================ */
.lang-switcher {
  position: relative;
  display: inline-block;
  margin-left: 12px;
  z-index: 100;
}
.lang-current {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  background: linear-gradient(135deg, var(--champagne) 0%, var(--champagne2) 100%);
  border: 1.5px solid var(--champagne);
  border-radius: 24px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
  box-shadow: 0 2px 12px rgba(198,160,106,0.3);
}
.lang-current:hover {
  background: #fff;
  border-color: var(--champagne-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(198,160,106,0.45);
}
.lang-flag { font-size: 16px; line-height: 1; }
.lang-globe {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.lang-arrow { transition: transform 0.3s; flex-shrink: 0; }
.lang-switcher:hover .lang-arrow { transform: rotate(180deg); }
.lang-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 180px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.18);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.3s;
  z-index: 1000;
  border: 1px solid rgba(198,160,106,0.2);
}
.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  right: 20px;
  width: 12px;
  height: 12px;
  background: #fff;
  transform: rotate(45deg);
  border-left: 1px solid rgba(198,160,106,0.2);
  border-top: 1px solid rgba(198,160,106,0.2);
}
.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  background: transparent;
  border: none;
  border-radius: 10px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
}
.lang-option:hover {
  background: rgba(198,160,106,0.12);
  color: var(--champagne-dark);
}
.lang-option[data-active="true"] {
  color: var(--champagne-dark);
  font-weight: 700;
  background: rgba(198,160,106,0.1);
}
.lang-option[data-active="true"]::after {
  content: '✓';
  margin-left: auto;
  color: var(--champagne);
  font-weight: 700;
}
  cursor: pointer;
  text-align: left;
  transition: background 0.2s;
}
.lang-option:hover { background: rgba(198,160,106,0.1); }
.lang-option[data-active="true"] {
  color: var(--champagne-dark);
  font-weight: 600;
  background: rgba(198,160,106,0.08);
}

/* RTL Support */
[dir="rtl"] .nav-left { margin-left: auto; margin-right: 0; }
[dir="rtl"] .nav-right { margin-right: auto; margin-left: 0; }
[dir="rtl"] .lang-dropdown { right: auto; left: 0; }
[dir="rtl"] .product-card-body { text-align: right; }
[dir="rtl"] .cat-list li { flex-direction: row-reverse; }
[dir="rtl"] .float-wa { right: auto; left: 24px; }

/* Mobile language switcher */
@media (max-width: 768px) {
  .lang-switcher { margin-left: 8px; }
  .lang-current { font-size: 11px; padding: 4px 8px; }
  .lang-current span:not(.lang-flag) { display: none; }
}