/* ================================================
   林氏毛织厂 · 主样式表
   设计风格：高端时装工厂 · 深色奢华 · 金色点缀
   ================================================ */

:root {
  --black:    #0d0d0d;
  --dark:     #141414;
  --dark2:    #1c1c1c;
  --dark3:    #252525;
  --gold:     #c9a84c;
  --gold-lt:  #e0c070;
  --gold-dk:  #9a7a30;
  --white:    #f5f3ee;
  --white2:   #e8e5dc;
  --gray:     #888880;
  --gray-lt:  #aaa9a0;
  --accent:   #c9a84c;
  --font-display: 'Cormorant Garamond', 'Noto Serif SC', serif;
  --font-body:    'Noto Serif SC', serif;
  --font-mono:    'Space Mono', monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --radius:   2px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }

/* ── TYPOGRAPHY ── */
.section-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--gold);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.15;
  color: var(--white);
}
.section-title em { color: var(--gold); font-style: italic; }

.section-title-lg {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--white);
}
.section-title-lg em { color: var(--gold); font-style: italic; }

.section-sub {
  color: var(--gray-lt);
  font-size: 1rem;
  margin-top: 12px;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: var(--black);
  padding: 14px 36px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: background .25s, transform .2s;
  border-radius: var(--radius);
}
.btn-primary:hover { background: var(--gold-lt); transform: translateY(-2px); }

.btn-ghost {
  display: inline-block;
  border: 1px solid rgba(201,168,76,.4);
  color: var(--gold);
  padding: 13px 32px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: border-color .25s, color .25s, transform .2s;
  border-radius: var(--radius);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--white); transform: translateY(-2px); }

.btn-outline {
  display: inline-block;
  border: 1px solid rgba(255,255,255,.25);
  color: var(--white2);
  padding: 13px 32px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: border-color .25s, background .25s;
  border-radius: var(--radius);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

.btn-outline-gold {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 13px 32px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: background .25s, color .25s, transform .2s;
  border-radius: var(--radius);
}
.btn-outline-gold:hover { background: var(--gold); color: var(--black); transform: translateY(-2px); }

/* ── NAVIGATION ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  transition: background .35s, padding .35s, border-bottom .35s;
}
.nav.scrolled {
  background: rgba(13,13,13,.96);
  padding: 14px 40px;
  border-bottom: 1px solid rgba(201,168,76,.15);
  backdrop-filter: blur(12px);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-ls {
  width: 40px; height: 40px;
  background: var(--gold);
  color: var(--black);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
  border-radius: 2px;
}
.logo-text { display: flex; flex-direction: column; }
.logo-cn { font-family: var(--font-body); font-size: 16px; color: var(--white); line-height: 1; }
.logo-en { font-family: var(--font-mono); font-size: 9px; color: var(--gold); letter-spacing: .12em; margin-top: 3px; }

.nav-links {
  display: flex;
  gap: 30px;
}
.nav-link {
  font-size: 13px;
  color: var(--gray-lt);
  letter-spacing: .04em;
  transition: color .2s;
  position: relative;
  padding-bottom: 3px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width .25s var(--ease-out);
}
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 16px; }
.nav-phone {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: .06em;
}
.btn-nav {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: background .2s, color .2s;
  border-radius: var(--radius);
}
.btn-nav:hover { background: var(--gold); color: var(--black); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 22px;
  cursor: pointer;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 40px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 120%, rgba(201,168,76,.08) 0%, transparent 60%),
    linear-gradient(180deg, #0d0d0d 0%, #111108 100%);
}
.hero-grain {
  position: absolute;
  inset: 0;
  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='0.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}
.hero-lines {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 79px, rgba(201,168,76,.04) 80px),
    repeating-linear-gradient(90deg, transparent, transparent 79px, rgba(201,168,76,.04) 80px);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 900px;
  animation: heroIn 1.2s var(--ease-out) both;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--gold);
  margin-bottom: 30px;
  text-transform: uppercase;
}
.eyebrow-line { width: 40px; height: 1px; background: var(--gold); opacity: .5; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: -.01em;
}
.hero-title-cn { display: inline; }
.hero-title-em {
  font-style: italic;
  color: var(--gold);
  position: relative;
}
.hero-title-em::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--gray-lt);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 70px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  border-top: 1px solid rgba(201,168,76,.15);
  padding-top: 40px;
  flex-wrap: wrap;
}
.stat-item {
  padding: 0 40px;
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}
.stat-unit {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold);
}
.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .15em;
  color: var(--gray);
  text-transform: uppercase;
  margin-top: 6px;
}
.stat-divider {
  width: 1px;
  height: 50px;
  background: rgba(201,168,76,.2);
}

.hero-scroll {
  position: absolute;
  bottom: 40px; right: 50px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--gray);
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: .3; transform: scaleY(1); }
  50%       { opacity: 1;  transform: scaleY(1.3); }
}

/* ── VIDEO SECTION ── */
.video-section {
  padding: 120px 40px;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.video-section > .section-tag {
  position: absolute;
  top: 40px; left: 40px;
}
.video-section::before {
  content: 'LOOKBOOK';
  position: absolute;
  top: 50%; right: -80px;
  transform: translateY(-50%) rotate(90deg);
  font-family: var(--font-display);
  font-size: 100px;
  color: rgba(201,168,76,.04);
  pointer-events: none;
  white-space: nowrap;
}

.video-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.video-desc {
  color: var(--gray-lt);
  font-size: .95rem;
  line-height: 1.8;
  margin: 24px 0 30px;
}
.video-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}
.vf-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .9rem;
  color: var(--white2);
}
.vf-icon { color: var(--gold); font-size: 12px; }

.video-wrapper { position: relative; }
.video-badge {
  position: absolute;
  top: -14px; left: 30px;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .15em;
  padding: 5px 14px;
  z-index: 2;
}

.video-main-player {
  position: relative;
  aspect-ratio: 16/10;
  background: var(--dark3);
  border: 1px solid rgba(201,168,76,.2);
  overflow: hidden;
}
.main-video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--dark2), var(--dark3));
}
.vp-bg-text {
  position: absolute;
  bottom: -20px; right: -20px;
  font-family: var(--font-display);
  font-size: 120px;
  color: rgba(201,168,76,.05);
  pointer-events: none;
  line-height: 1;
  user-select: none;
}
.vp-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}
.vp-icon {
  width: 64px; height: 64px;
  border: 1px solid rgba(201,168,76,.4);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  color: var(--gold);
  margin: 0 auto 16px;
  cursor: pointer;
  transition: background .2s;
}
.vp-icon:hover { background: rgba(201,168,76,.1); }
.vp-text { font-family: var(--font-display); font-size: 1.3rem; color: var(--white); margin-bottom: 8px; }
.vp-sub  { font-size: .8rem; color: var(--gray); margin-bottom: 8px; }
.vp-file { font-family: var(--font-mono); font-size: .7rem; color: var(--gold); opacity: .6; }

.video-overlay-controls {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: linear-gradient(0deg, rgba(0,0,0,.7), transparent);
}
.vc-btn {
  width: 32px; height: 32px;
  border: 1px solid rgba(255,255,255,.3);
  background: rgba(0,0,0,.4);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 11px;
  flex-shrink: 0;
  transition: border-color .2s, background .2s;
}
.vc-btn:hover { border-color: var(--gold); background: rgba(201,168,76,.2); }
.vc-info { flex: 1; }
.vc-title { font-size: 12px; color: var(--white); font-weight: 400; }
.vc-sub   { font-family: var(--font-mono); font-size: 9px; color: var(--gold); }

.video-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 12px;
}
.vthumb {
  cursor: pointer;
  border: 1px solid rgba(201,168,76,.15);
  transition: border-color .2s;
  overflow: hidden;
}
.vthumb.active, .vthumb:hover { border-color: var(--gold); }
.vt-img {
  aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
}
.vt-label {
  padding: 5px 8px;
  font-size: 10px;
  color: var(--gray-lt);
  text-align: center;
  background: var(--dark2);
}

/* ── PRODUCTS ── */
.products-section {
  padding: 120px 40px;
  background: var(--black);
}

.products-filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}
.filter-btn {
  background: none;
  border: 1px solid rgba(255,255,255,.15);
  color: var(--gray-lt);
  padding: 8px 20px;
  font-size: 12px;
  cursor: pointer;
  transition: all .2s;
  font-family: var(--font-body);
  border-radius: var(--radius);
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201,168,76,.06);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.product-card {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,.06);
  overflow: hidden;
  transition: border-color .3s, transform .3s var(--ease-out);
}
.product-card:hover {
  border-color: rgba(201,168,76,.35);
  transform: translateY(-4px);
}

.pc-img-wrap {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--dark3);
}
.pc-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease-out);
}
.product-card:hover .pc-img-wrap img { transform: scale(1.05); }

.pc-badge {
  position: absolute;
  top: 14px; left: 14px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 10px;
}
.pc-badge.hot     { background: var(--gold); color: var(--black); }
.pc-badge.safe    { background: #2a6a3a; color: #90e0a0; }
.pc-badge.premium { background: var(--dark); color: var(--gold); border: 1px solid var(--gold-dk); }

.pc-hover {
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(13,13,13,.5);
  opacity: 0;
  transition: opacity .3s;
}
.product-card:hover .pc-hover { opacity: 1; }
.pc-hover-btn {
  background: var(--gold);
  color: var(--black);
  padding: 10px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: background .2s;
}
.pc-hover-btn:hover { background: var(--gold-lt); }

.pc-body { padding: 18px 20px; }
.pc-cat  { font-family: var(--font-mono); font-size: 9px; color: var(--gold); letter-spacing: .15em; text-transform: uppercase; margin-bottom: 6px; }
.pc-name { font-family: var(--font-display); font-size: 1.2rem; color: var(--white); margin-bottom: 6px; }
.pc-desc { font-size: .85rem; color: var(--gray-lt); margin-bottom: 12px; }
.pc-specs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pc-specs span {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 3px 8px;
  border: 1px solid rgba(201,168,76,.25);
  color: var(--gray-lt);
  letter-spacing: .08em;
}

.products-more { text-align: center; margin-top: 50px; }

/* ── PROCESS ── */
.process-section {
  padding: 100px 40px;
  background: var(--dark);
  position: relative;
}

.process-track { position: relative; max-width: 1100px; margin: 0 auto 50px; }
.process-line {
  position: absolute;
  top: 38px; left: 60px; right: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,168,76,.3), var(--gold), rgba(201,168,76,.3), transparent);
}
.process-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
  gap: 24px;
}
.ps-item {
  text-align: center;
  flex: 1;
  min-width: 140px;
}
.ps-num {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--gold);
  letter-spacing: .15em;
  margin-bottom: 12px;
}
.ps-icon {
  width: 52px; height: 52px;
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,.3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin: 0 auto 14px;
}
.ps-name { font-family: var(--font-display); font-size: 1.1rem; color: var(--white); margin-bottom: 6px; }
.ps-desc { font-size: .8rem; color: var(--gray); line-height: 1.6; }
.process-cta { text-align: center; }

/* ── FACTORY STRIP ── */
.factory-strip {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  align-items: center;
  gap: 80px;
  padding: 120px 80px;
  background: var(--black);
  max-width: 100%;
  overflow: hidden;
}

.factory-strip p { color: var(--gray-lt); margin: 20px 0 30px; font-size: .95rem; line-height: 1.8; }
.factory-points { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; }
.fp-item { display: flex; gap: 16px; align-items: flex-start; }
.fp-dot {
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  margin-top: 9px;
  flex-shrink: 0;
}
.fp-item strong { display: block; color: var(--white); font-size: .95rem; margin-bottom: 2px; }
.fp-item span   { color: var(--gray-lt); font-size: .85rem; }

.factory-imgs {
  position: relative;
  height: 480px;
}
.fi-main {
  width: 75%;
  height: 380px;
  object-fit: cover;
  position: absolute;
  top: 0; right: 0;
  border: 1px solid rgba(201,168,76,.15);
}
.fi-sub {
  width: 42%;
  height: 200px;
  object-fit: cover;
  position: absolute;
  border: 1px solid rgba(201,168,76,.15);
}
.fi-sub1 { bottom: 0; left: 0; }
.fi-sub2 { bottom: 60px; right: 76%; transform: translateX(50%); display:none; }

/* ── QUOTE SECTION ── */
.quote-section {
  padding: 120px 40px;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.quote-bg-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 180px;
  color: rgba(201,168,76,.03);
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
}
.quote-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.quote-sub { color: var(--gray-lt); margin: 16px 0 30px; font-size: .95rem; }
.quote-sub strong { color: var(--gold); }

.quote-contact { display: flex; flex-direction: column; gap: 14px; margin-bottom: 30px; }
.qc-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .9rem;
  color: var(--white2);
}
.qc-icon { font-size: 14px; width: 20px; text-align: center; }

.wechat-block {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border: 1px solid rgba(201,168,76,.2);
  background: rgba(201,168,76,.04);
  margin-top: 10px;
}
.wechat-qr { width: 70px; height: 70px; object-fit: contain; }
.wechat-name { font-size: .95rem; color: var(--white); margin-bottom: 4px; }
.wechat-hours { font-family: var(--font-mono); font-size: 10px; color: var(--gray); }

/* ── FORM ── */
.quote-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gray-lt);
}
.req { color: var(--gold); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--white);
  padding: 12px 14px;
  font-size: 14px;
  font-family: var(--font-body);
  outline: none;
  transition: border-color .2s;
  border-radius: var(--radius);
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--gold); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { cursor: pointer; }

.btn-submit {
  background: var(--gold);
  color: var(--black);
  border: none;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .25s, transform .2s;
  margin-top: 6px;
  border-radius: var(--radius);
}
.btn-submit:hover { background: var(--gold-lt); transform: translateY(-2px); }
.btn-submit:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.form-success {
  padding: 14px;
  background: rgba(40, 100, 60, .2);
  border: 1px solid rgba(60, 180, 80, .3);
  color: #90e0a0;
  font-size: .9rem;
  text-align: center;
}
.form-note { font-size: .75rem; color: var(--gray); text-align: center; }

/* ── FOOTER ── */
.footer {
  background: #080808;
  padding: 80px 40px 30px;
  border-top: 1px solid rgba(201,168,76,.1);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-brand {}
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-desc { font-size: .85rem; color: var(--gray); line-height: 1.8; margin-bottom: 16px; }
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-tags span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .1em;
  padding: 3px 10px;
  border: 1px solid rgba(201,168,76,.2);
  color: var(--gray-lt);
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}
.footer-col a, .footer-col p {
  display: block;
  font-size: .85rem;
  color: var(--gray-lt);
  margin-bottom: 10px;
  transition: color .2s;
}
.footer-col a:hover { color: var(--white); }
.footer-wechat {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}
.footer-wechat img { width: 50px; height: 50px; }
.footer-wechat span { font-size: .8rem; color: var(--gray-lt); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: .8rem;
  color: var(--gray);
}
.footer-en { color: var(--gold); font-size: .8rem; }
.footer-en:hover { color: var(--gold-lt); }

/* ── FLOATING WECHAT ── */
.float-wechat {
  position: fixed;
  bottom: 90px; right: 24px;
  z-index: 200;
}
.fw-bubble {
  width: 50px; height: 50px;
  background: var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 20px;
  box-shadow: 0 4px 20px rgba(201,168,76,.4);
  transition: transform .2s, background .2s;
}
.fw-bubble:hover { transform: scale(1.08); background: var(--gold-lt); }
.fw-popup {
  position: absolute;
  bottom: 62px; right: 0;
  width: 160px;
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,.3);
  padding: 20px;
  text-align: center;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.fw-popup.open { display: flex; }
.fw-popup img { width: 100px; }
.fw-popup strong { font-size: .9rem; color: var(--white); }
.fw-popup span { font-size: .8rem; color: var(--gray-lt); }
.fw-hours { font-family: var(--font-mono); font-size: .7rem; color: var(--gold); }
.fw-close {
  position: absolute;
  top: 8px; right: 8px;
  background: none;
  border: none;
  color: var(--gray);
  cursor: pointer;
  font-size: 12px;
}

.back-top {
  position: fixed;
  bottom: 28px; right: 24px;
  width: 40px; height: 40px;
  background: var(--dark3);
  border: 1px solid rgba(201,168,76,.3);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 16px;
  opacity: 0;
  transition: opacity .3s, background .2s;
  z-index: 150;
}
.back-top.visible { opacity: 1; }
.back-top:hover { background: rgba(201,168,76,.1); }

/* ── ANIMATIONS ── */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .nav-links { gap: 18px; }
  .factory-strip { padding: 80px 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  .nav-links, .nav-phone { display: none; }
  .nav-toggle { display: block; }
  .nav.menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--dark);
    align-items: center;
    justify-content: center;
    gap: 30px;
    z-index: 99;
  }
  .nav.menu-open .nav-link { font-size: 1.4rem; }

  .hero { padding: 100px 20px 60px; }
  .hero-stats { gap: 0; }
  .stat-item { padding: 0 16px; }
  .stat-num { font-size: 2rem; }

  .video-layout { grid-template-columns: 1fr; gap: 50px; }
  .video-section { padding: 80px 20px; }

  .factory-strip { grid-template-columns: 1fr; padding: 80px 20px; gap: 50px; }
  .factory-imgs { height: 280px; }
  .fi-main { width: 85%; height: 250px; }
  .fi-sub1 { bottom: -30px; left: 0; width: 48%; height: 160px; }

  .quote-container { grid-template-columns: 1fr; gap: 50px; }
  .form-row { grid-template-columns: 1fr; }
  .quote-section { padding: 80px 20px; }

  .products-section { padding: 80px 20px; }
  .process-section  { padding: 80px 20px; }
  .process-line     { display: none; }
  .process-steps    { justify-content: center; }

  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer { padding: 60px 20px 24px; }

  .hero-scroll { display: none; }
}