/* ========== 基础 ========== */
:root {
  --wood: #b9895b;
  --wood-dark: #8a5f3c;
  --wood-deep: #4a2f1d;
  --cream: #f8f1e6;
  --cream-dark: #efe3cf;
  --ink: #2d2118;
  --text-sub: #7a6858;
  --white: #fffdf9;
  --shadow: 0 14px 40px rgba(74, 47, 29, 0.14);
  --shadow-hover: 0 24px 60px rgba(74, 47, 29, 0.24);
  --radius: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
/* 强制 hidden 属性生效，避免被 display 样式覆盖（如 LOGO 文字/图片切换） */
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scrollbar-gutter: stable; overflow-x: hidden; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ========== 按钮（带发光/按压动效） ========== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  border-radius: 999px;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.3s, color 0.3s;
  will-change: transform;
}
.btn span { position: relative; z-index: 2; }
.btn-primary {
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  color: var(--white);
  box-shadow: 0 8px 22px rgba(185, 137, 91, 0.45);
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 36px rgba(185, 137, 91, 0.65), 0 0 0 4px rgba(185, 137, 91, 0.18);
}
.btn-primary:active { transform: translateY(0) scale(0.97); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid rgba(74, 47, 29, 0.35);
}
.btn-ghost:hover {
  border-color: var(--wood);
  color: var(--wood-dark);
  background: rgba(185, 137, 91, 0.08);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(74, 47, 29, 0.12);
}
.hero .btn-ghost {
  color: var(--white);
  border-color: rgba(248, 241, 230, 0.45);
  background: transparent;
}
.hero .btn-ghost:hover {
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35), 0 0 0 4px rgba(185, 137, 91, 0.22);
}
.hero .btn-primary {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(248, 241, 230, 0.45);
  box-shadow: none;
}
.hero .btn-primary:hover {
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35), 0 0 0 4px rgba(185, 137, 91, 0.22);
}
.btn-lg { padding: 15px 38px; font-size: 16px; font-weight: 600; }
.btn-sm { padding: 9px 22px; font-size: 14px; }
.btn-block { width: 100%; }

/* 按钮水波纹 */
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.35), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s;
}
.btn:hover::after { opacity: 1; }

/* ========== 导航 ========== */
.promo-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 101;
  height: var(--promo-h, 44px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(90deg, #2b1d14, #4a2f1d);
  color: #f3d9b8;
  font-size: 14px;
  letter-spacing: 1px;
  text-decoration: none;
  border-bottom: 1px solid rgba(243, 217, 184, 0.25);
}
.promo-bar:hover { background: linear-gradient(90deg, #3a2415, #5a3a22); }
.promo-fire { font-size: 15px; }
.promo-link {
  color: #fff;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #d8a87a, #b9895b);
  font-size: 13px;
  animation: promoPulse 1.8s ease-in-out infinite;
}
@keyframes promoPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.07); }
}
body.promo-on .nav { top: var(--promo-h, 44px); }
body.promo-on .hero { padding-top: calc(var(--promo-h, 44px) + 110px); }

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(248, 241, 230, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: all 0.4s var(--ease);
  box-shadow: 0 1px 0 rgba(74, 47, 29, 0.08);
}
.nav.scrolled {
  background: rgba(248, 241, 230, 0.97);
  padding: 10px 0;
  box-shadow: 0 6px 24px rgba(74, 47, 29, 0.10);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  color: var(--white);
  border-radius: 12px;
  font-size: 22px;
  font-weight: 700;
  transition: transform 0.4s var(--ease);
}
.logo:hover .logo-mark { transform: rotate(-8deg) scale(1.08); }
.logo-text { font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.logo-img { height: 42px; width: auto; border-radius: 10px; object-fit: contain; }
.nav-links { display: flex; gap: 30px; }
.nav-link {
  position: relative;
  font-size: 15px;
  color: var(--ink);
  padding: 6px 2px;
  transition: color 0.3s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--wood);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link:hover { color: var(--wood-dark); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.35s var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding: 120px 24px 110px;
  background: var(--wood-deep);
  color: var(--white);
}
.hero-bg { position: absolute; inset: 0; z-index: 1; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.3;
  animation: floatBlob 14s ease-in-out infinite alternate;
}
.blob-1 { width: 480px; height: 480px; background: rgba(185, 137, 91, 0.45); top: -120px; left: -100px; }
.blob-2 { width: 380px; height: 380px; background: rgba(232, 211, 180, 0.45); bottom: 40px; right: -60px; animation-delay: -5s; }
.blob-3 { width: 260px; height: 260px; background: rgba(185, 137, 91, 0.35); top: 40%; left: 55%; animation-delay: -9s; }
@keyframes floatBlob {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, -30px) scale(1.12); }
}
.hero-inner {
  position: relative;
  z-index: 3;
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: flex-start;
  align-items: flex-end;
}
.hero-inner.align-center { justify-content: center; text-align: center; }
.hero-inner.align-center .hero-actions { justify-content: center; }
.hero-inner.align-center .hero-phone { justify-content: center; }
.hero-inner.align-center .hero-tag { margin-left: auto; margin-right: auto; }
.hero-inner.align-right { justify-content: flex-end; text-align: right; }
.hero-inner.align-right .hero-actions { justify-content: flex-end; }
.hero-inner.align-right .hero-phone { justify-content: flex-end; }
.hero-inner.align-right .hero-tag { margin-left: auto; }
.hero-inner.align-right .hero-sub { margin-left: auto; }
.hero-tag {
  display: inline-block;
  background: rgba(185, 137, 91, 0.22);
  color: var(--cream);
  border: 1px solid rgba(232, 211, 180, 0.4);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 16px;
  backdrop-filter: blur(6px);
}
.hero-title {
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 14px;
  color: var(--white);
  text-shadow: 0 3px 24px rgba(0, 0, 0, 0.55), 0 1px 3px rgba(0, 0, 0, 0.45);
}
.hero-divider {
  color: var(--wood);
  opacity: 0.9;
  margin: 0 6px;
  font-weight: 400;
}
.hero-accent {
  color: #f3d9b0;
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
}
.hero-sub {
  color: rgba(248, 241, 230, 0.92);
  font-size: 15px;
  max-width: 420px;
  margin-bottom: 24px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.55);
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.hero-actions .btn-lg { padding: 12px 26px; font-size: 15px; }
.hero-phone {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
  background: rgba(20, 12, 7, 0.42);
  padding: 8px 16px;
  border-radius: 999px;
  backdrop-filter: blur(3px);
}
.hero-phone a { font-size: 18px; font-weight: 700; color: #fff; transition: color 0.3s, transform 0.3s; display: inline-block; }
.hero-phone a:hover { color: var(--wood); transform: translateX(3px); }

/* 全屏背景轮播 */
.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.slider-track { position: absolute; inset: 0; }
.slider-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.4s ease;
}
.slider-slide.active { opacity: 1; z-index: 1; }
.slider-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.08);
}
.slider-slide.active img { animation: kenBurns 7s ease-out forwards; }
@keyframes kenBurns {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(105deg, rgba(30, 18, 10, 0.55) 0%, rgba(30, 18, 10, 0.28) 45%, rgba(30, 18, 10, 0.08) 100%);
}
.slider-arrow {
  position: absolute;
  top: auto;
  bottom: 26px;
  transform: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  background: rgba(20, 12, 7, 0.35);
  color: var(--white);
  font-size: 26px;
  cursor: pointer;
  z-index: 4;
  transition: all 0.35s var(--ease);
  backdrop-filter: blur(4px);
}
.slider-arrow:hover { background: rgba(185, 137, 91, 0.8); border-color: transparent; transform: scale(1.08); }
.slider-arrow.prev { left: auto; right: 84px; }
.slider-arrow.next { right: 26px; }
.slider-dots {
  position: absolute;
  left: 0; right: 0;
  bottom: 28px;
  display: flex;
  justify-content: center;
  gap: 10px;
  z-index: 4;
}
.slider-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(255, 253, 249, 0.45);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.35s var(--ease);
}
.slider-dot.active {
  width: 30px;
  border-radius: 6px;
  background: var(--wood);
}
/* 首屏文字面板：磨砂玻璃底，文字不直接压在图上，保持整洁可读 */
.hero-panel { max-width: 680px; }

/* ========== 跑马灯 ========== */
.marquee {
  background: var(--wood-deep);
  color: var(--cream);
  overflow: hidden;
  padding: 14px 0;
}
.marquee-track {
  display: flex;
  gap: 30px;
  white-space: nowrap;
  width: max-content;
  animation: marquee 28s linear infinite;
  font-size: 15px;
  letter-spacing: 3px;
}
.marquee-track i { color: var(--wood); font-style: normal; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ========== 数据统计 ========== */
.stats { padding: 60px 0 20px; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  box-shadow: 0 6px 24px rgba(74, 47, 29, 0.06);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--wood), var(--wood-dark));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.stat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.stat-card:hover::before { transform: scaleX(1); }
.stat-num {
  font-size: 42px;
  font-weight: 800;
  color: var(--wood-dark);
  line-height: 1.2;
}
.stat-label { color: var(--text-sub); margin-top: 6px; font-size: 14px; letter-spacing: 1px; }

/* ========== 通用区块 ========== */
.section { padding: 90px 0; }
.section-head { text-align: center; margin-bottom: 50px; }
.section-tag {
  color: var(--wood);
  font-size: 13px;
  letter-spacing: 5px;
  font-weight: 700;
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
  letter-spacing: 2px;
}
.section-sub { color: var(--text-sub); margin-top: 10px; }

/* 生产进度提示条 */
.order-tip-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  margin: 0 auto 70px;
  max-width: 680px;
  padding: 14px 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(185, 137, 91, 0.14), rgba(185, 137, 91, 0.08));
  border: 1px solid rgba(185, 137, 91, 0.35);
  color: var(--wood-dark);
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.order-tip-bar:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(185, 137, 91, 0.25);
}
.otb-icon {
  width: 30px; height: 30px;
  flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  color: var(--white);
  font-size: 15px;
}

/* 官网生产进度查询弹窗 */
.oq-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  margin: 18px 0;
  border-radius: 12px;
  background: var(--cream);
  border-left: 4px solid var(--wood);
}
.oq-head b { font-size: 18px; color: var(--wood-dark); letter-spacing: 1px; }
.oq-head span { font-size: 14px; color: var(--ink); }
.oq-head small { font-size: 12px; color: var(--text-sub); }
.oq-remain {
  display: inline-block;
  margin: 12px 0 4px;
  padding: 8px 20px;
  border-radius: 999px;
  background: rgba(185, 137, 91, 0.16);
  color: var(--wood-dark);
  font-size: 14px;
  font-weight: 600;
}
.oq-remain b { font-size: 18px; }
.oq-remain.done { background: rgba(79, 145, 98, 0.18); color: #2f7247; }
.oq-timeline { position: relative; padding: 6px 0 10px 8px; }
.oq-item {
  position: relative;
  display: flex;
  gap: 14px;
  padding-bottom: 22px;
}
.oq-item::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 24px;
  bottom: 0;
  width: 2px;
  background: var(--cream-dark);
}
.oq-item:last-child::before { display: none; }
.oq-dot {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border-radius: 50%;
  background: #d8cdbd;
  flex-shrink: 0;
  z-index: 1;
}
.oq-item.done .oq-dot {
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  box-shadow: 0 0 0 5px rgba(185, 137, 91, 0.16);
}
.oq-item.doing .oq-dot {
  background: #4a78c8;
  box-shadow: 0 0 0 5px rgba(74, 120, 200, 0.16);
}
.oq-body { min-width: 0; flex: 1; }
.oq-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.oq-row b { font-size: 15px; }
.oq-item:not(.done) .oq-row b { color: #a89a8a; }
.oq-days { font-size: 12px; color: var(--text-sub); }
.oq-status {
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 999px;
}
.oq-status.st-wait { background: rgba(120, 115, 110, 0.14); color: #6f6a63; }
.oq-status.st-doing { background: rgba(74, 120, 200, 0.14); color: #2c5bb8; }
.oq-status.st-done { background: rgba(79, 145, 98, 0.18); color: #2f7247; }
.oq-time { display: block; font-size: 12px; color: var(--text-sub); margin-top: 4px; }
.oq-note-inline {
  font-size: 13px;
  color: var(--wood-dark);
  background: rgba(185, 137, 91, 0.1);
  border-radius: 8px;
  padding: 6px 12px;
  margin-top: 6px;
}
.oq-note {
  font-size: 13px;
  color: var(--wood-dark);
  background: rgba(185, 137, 91, 0.1);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 14px;
}
.oq-error {
  text-align: center;
  color: var(--danger);
  font-size: 14px;
  margin-top: 14px;
}
.oq-again-bar {
  position: sticky;
  bottom: 0;
  z-index: 3;
  margin: 18px -32px 0;
  padding: 14px 32px 0;
  background: var(--white);
  border-top: 1px solid var(--cream-dark);
}

/* 查询弹窗：顶部关闭+内容滚动+底部按钮固定 */
#orderQueryModal .modal-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 18px 0 0;
}
#orderQueryModal .modal-close {
  position: static;
  margin: 0 16px 0 auto;
  flex-shrink: 0;
}
#orderQueryModal .modal-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-bottom: 20px;
}

/* ========== 案例 ========== */
.cases { background: var(--white); }
.testimonials { background: var(--white); }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--cream);
  border-radius: 18px;
  padding: 26px 24px;
  text-align: center;
  transition: transform 0.35s var(--ease), box-shadow 0.35s;
}
.testimonial-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.testimonial-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 14px;
}
.testimonial-avatar {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  color: #fff;
  font-size: 22px;
  font-weight: 800;
}
.testimonial-card blockquote { font-size: 14px; color: var(--text-sub); line-height: 1.8; margin-bottom: 12px; }
.testimonial-card figcaption { font-size: 13px; font-weight: 700; color: var(--wood-dark); }
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 42px;
}
.filter-chip {
  padding: 9px 24px;
  border-radius: 999px;
  border: 1.5px solid rgba(74, 47, 29, 0.18);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  transition: all 0.35s var(--ease);
}
.filter-chip:hover { border-color: var(--wood); transform: translateY(-2px); }
.filter-chip.active {
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(185, 137, 91, 0.4);
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  background: var(--cream);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(74, 47, 29, 0.08);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
  transform-style: preserve-3d;
  will-change: transform;
}
.case-card:hover {
  transform: translateY(-10px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  box-shadow: var(--shadow-hover);
}
.case-cover-wrap { overflow: hidden; aspect-ratio: 4 / 3; }
.case-cover {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.case-card:hover .case-cover { transform: scale(1.1); }
.case-info { padding: 22px 22px 24px; }
.case-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.case-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.case-tag {
  font-size: 12px;
  color: var(--wood-dark);
  background: rgba(185, 137, 91, 0.12);
  padding: 4px 12px;
  border-radius: 999px;
}
.case-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  color: var(--wood-dark);
  font-size: 14px;
  font-weight: 600;
  transition: gap 0.3s;
}
.case-card:hover .case-more { gap: 12px; }
.empty-tip { text-align: center; color: var(--text-sub); padding: 40px 0; }

/* ========== 弹窗 ========== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}
.modal.open { opacity: 1; visibility: visible; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(42, 27, 16, 0.6); backdrop-filter: blur(4px); }
.modal-panel {
  position: relative;
  background: var(--white);
  border-radius: 22px;
  max-width: 760px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-hover);
  transform: translateY(30px) scale(0.96);
  transition: transform 0.45s var(--ease);
}
.modal.open .modal-panel { transform: translateY(0) scale(1); }
.modal-close {
  position: sticky;
  top: 14px;
  display: block;
  margin-left: auto;
  margin-bottom: -38px;
  width: 38px; height: 38px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 253, 249, 0.9);
  color: var(--ink);
  font-size: 22px;
  cursor: pointer;
  z-index: 2;
  flex-shrink: 0;
  transition: transform 0.3s, background 0.3s;
}
.modal-close:hover { transform: rotate(90deg); background: var(--cream-dark); }
.modal-gallery { background: var(--cream-dark); }
.modal-gallery img { width: 100%; height: 380px; object-fit: cover; }
.modal-body { padding: 28px 32px 34px; }
.modal-meta { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; }
.modal-desc { color: var(--text-sub); margin-bottom: 24px; }
/* 安装预约弹窗：提交按钮固定在弹窗底部，不随内容滚动 */
#installBookModal .modal-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#installBookModal .modal-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
#installBookModal .book-form {
  flex: 1;
  min-height: 0;
  margin-top: auto;
  display: flex;
  flex-direction: column;
}
#installBookModal #installBookFields {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}
#installBookModal .book-form button[type="submit"] {
  flex-shrink: 0;
  margin-top: 18px;
}
/* 弹窗底部主按钮：通栏精致样式 */
.modal-cta {
  width: 100%;
  padding: 15px 26px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  background-size: 150% 150%;
  background-position: 0% 50%;
  box-shadow: 0 10px 26px rgba(185, 137, 91, 0.38);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background-position 0.4s;
}
.modal-cta:hover {
  transform: translateY(-2px);
  background-position: 100% 50%;
  box-shadow: 0 16px 34px rgba(185, 137, 91, 0.55), 0 0 0 4px rgba(185, 137, 91, 0.14);
}
.modal-cta:active { transform: translateY(0) scale(0.98); }
.modal-cta .cta-arrow { display: inline-block; font-size: 18px; line-height: 1; transition: transform 0.35s var(--ease); }
.modal-cta:hover .cta-arrow { transform: translateX(5px); }
.mat-detail { list-style: none; margin: 0 0 24px; padding: 0; color: var(--text-sub); }
.mat-detail li { position: relative; padding-left: 18px; margin-bottom: 8px; line-height: 1.7; }
.mat-detail li::before { content: ''; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
/* 材料详情弹窗：左右双栏紧凑排版，避免长滚动条 */
#materialModal .modal-panel {
  max-width: 760px;
  max-height: 82vh;
  display: flex;
  flex-direction: row;
  overflow: hidden;
}
#materialModal .modal-gallery {
  flex: 0 0 58%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  position: relative;
}
#materialModal .modal-gallery img {
  flex: 1;
  width: 100%;
  min-height: 320px;
  object-fit: cover;
  cursor: zoom-in;
}
#materialModal .gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 253, 249, 0.88);
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(74, 47, 29, 0.22);
  transition: transform 0.3s var(--ease), background 0.3s;
}
#materialModal .gallery-arrow:hover { background: var(--white); transform: translateY(-50%) scale(1.1); }
#materialModal .gallery-arrow.prev { left: 10px; }
#materialModal .gallery-arrow.next { right: 10px; }
#materialModal .gallery-thumbs {
  position: static;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  background: var(--cream-dark);
  flex-shrink: 0;
}
#materialModal .gallery-thumbs .thumb {
  width: 46px;
  height: 36px;
  border-radius: 6px;
  border: 2px solid rgba(255, 253, 249, 0.6);
  background-size: cover;
  background-position: center;
  cursor: pointer;
  opacity: 0.78;
  transition: opacity 0.25s, transform 0.25s, border-color 0.25s;
}
#materialModal .gallery-thumbs .thumb:hover { opacity: 1; transform: translateY(-2px); }
#materialModal .gallery-thumbs .thumb.active { border-color: var(--accent); opacity: 1; }
#materialModal .modal-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 26px 28px 28px;
}
#materialModal .modal-desc { margin-bottom: 14px; }
#materialModal .mat-detail {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  margin-bottom: 16px;
  padding-right: 8px;
}
#materialModal .modal-cta { flex-shrink: 0; }
#materialModal .modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  margin: 0;
}

/* ========== 工厂 ========== */
.factory { background: linear-gradient(160deg, var(--wood-deep), #3a2415); color: var(--cream); }
.factory .section-title { color: var(--cream); }
.factory .section-tag { color: var(--wood); }
.factory-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.factory-imgs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.factory-fig {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  cursor: zoom-in;
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
  background: rgba(0, 0, 0, 0.2);
}
.factory-fig:first-child { transform: translateY(24px); }
.factory-fig:hover { transform: translateY(-6px) scale(1.02); box-shadow: 0 24px 56px rgba(0, 0, 0, 0.5); }
.factory-fig:first-child:hover { transform: translateY(14px) scale(1.02); }
.factory-fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  display: block;
  transition: transform 0.8s var(--ease);
}
.factory-fig:hover img { transform: scale(1.08); }
.factory-fig figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 30px 18px 14px;
  background: linear-gradient(transparent, rgba(20, 12, 7, 0.82));
  color: var(--white);
}
.factory-fig figcaption b { display: block; font-size: 16px; letter-spacing: 1px; }
.factory-fig figcaption span { display: block; font-size: 12px; opacity: 0.82; margin-top: 2px; }

/* ========== 图片放大查看（灯箱） ========== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 250;
  display: grid;
  place-items: center;
  padding: 40px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-backdrop { position: absolute; inset: 0; background: rgba(10, 6, 3, 0.92); backdrop-filter: blur(6px); }
.lightbox-img {
  position: relative;
  z-index: 2;
  max-width: min(92vw, 1200px);
  max-height: 86vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  transform: scale(0.92);
  transition: transform 0.4s var(--ease);
}
.lightbox.open .lightbox-img { transform: scale(1); }
.lightbox-close {
  position: absolute;
  top: 24px; right: 26px;
  z-index: 3;
  width: 44px; height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 253, 249, 0.14);
  color: var(--white);
  font-size: 26px;
  cursor: pointer;
  transition: all 0.3s;
}
.lightbox-close:hover { background: rgba(185, 137, 91, 0.8); transform: rotate(90deg); }
.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 52px; height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  background: rgba(20, 12, 7, 0.4);
  color: var(--white);
  font-size: 30px;
  cursor: pointer;
  transition: all 0.3s;
}
.lightbox-arrow:hover { background: rgba(185, 137, 91, 0.8); }
.lightbox-arrow.prev { left: 28px; }
.lightbox-arrow.next { right: 28px; }
.factory-desc { color: rgba(248, 241, 230, 0.82); margin: 16px 0 26px; max-width: 480px; }
.factory-list { list-style: none; margin-bottom: 32px; }
.factory-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  transition: transform 0.35s var(--ease);
}
.factory-list li:hover { transform: translateX(8px); }
.fi {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(185, 137, 91, 0.25);
  color: var(--wood);
  font-size: 13px;
  flex-shrink: 0;
}
.factory .btn-primary { background: linear-gradient(135deg, var(--wood), #d8a87a); }

/* ========== 门店实景 ========== */
.shop { background: var(--white); }
.shop-gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}
.shop-fig {
  position: relative;
  width: 360px;
  max-width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(74, 47, 29, 0.12);
  cursor: zoom-in;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
  background: var(--cream);
}
.shop-fig:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}
.shop-fig img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform 0.8s var(--ease);
}
.shop-fig:hover img { transform: scale(1.08); }
.shop-fig figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 34px 18px 16px;
  background: linear-gradient(transparent, rgba(42, 27, 16, 0.82));
  color: var(--white);
}
.shop-fig figcaption b { display: block; font-size: 16px; letter-spacing: 1px; }
.shop-fig figcaption span { display: block; font-size: 12px; opacity: 0.82; margin-top: 2px; }

/* ========== 材料 ========== */
.material-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.material-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(74, 47, 29, 0.07);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.material-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.material-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.material-card:hover img { transform: scale(1.08); }
.material-info { padding: 16px 18px 20px; }
.material-name { font-weight: 700; font-size: 16px; }
.material-cat { font-size: 12px; color: var(--wood-dark); margin-top: 2px; }
.material-desc { font-size: 13px; color: var(--text-sub); margin-top: 8px; }

/* ========== 流程 ========== */
.process { background: var(--white); }
.process-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  position: relative;
}
.process-track::before {
  content: "";
  position: absolute;
  top: 34px; left: 10%; right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--wood), var(--wood), transparent);
  opacity: 0.4;
}
.step-card {
  position: relative;
  text-align: center;
  padding: 20px 12px;
  transition: transform 0.45s var(--ease);
}
.step-card:hover { transform: translateY(-8px); }
.step-num {
  width: 68px; height: 68px;
  margin: 0 auto 18px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  color: var(--white);
  font-size: 24px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(185, 137, 91, 0.4);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.step-card:hover .step-num { transform: scale(1.12) rotate(6deg); box-shadow: 0 16px 34px rgba(185, 137, 91, 0.55); }
.step-title { font-weight: 700; margin-bottom: 6px; }
.step-desc { font-size: 13px; color: var(--text-sub); }

/* ========== 配送安装 ========== */
.install { background: linear-gradient(160deg, var(--cream-dark), var(--cream)); }
.install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.install-imgs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.install-imgs img {
  border-radius: var(--radius);
  box-shadow: 0 14px 36px rgba(74, 47, 29, 0.18);
  transition: transform 0.6s var(--ease);
}
.install-imgs img:first-child { transform: translateY(20px); }
.install-imgs img:hover { transform: scale(1.04); }
.install-imgs img:first-child:hover { transform: translateY(14px) scale(1.04); }
.install-points { list-style: none; margin-bottom: 30px; }
.install-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  font-size: 16px;
  transition: transform 0.35s var(--ease);
}
.install-points li:hover { transform: translateX(8px); }
.install-points li::before {
  content: "✓";
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  color: white;
  font-size: 14px;
  flex-shrink: 0;
}
#openInstallBtn {
  padding: 16px 44px;
  font-size: 17px;
  border-radius: 999px;
}
.factory-visit-btn {
  padding: 16px 44px;
  font-size: 17px;
  border-radius: 999px;
}

/* ========== 语言切换 ========== */
.lang-switch {
  border: 1.5px solid rgba(74, 47, 29, 0.3);
  background: transparent;
  color: var(--ink);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.35s var(--ease);
}
.lang-switch:hover {
  border-color: var(--wood);
  color: var(--wood-dark);
  background: rgba(185, 137, 91, 0.1);
  transform: translateY(-2px);
}

/* ========== 预约 ========== */
.book { background: linear-gradient(160deg, var(--cream-dark), var(--cream)); }
.book-panel {
  background: var(--white);
  border-radius: 26px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 46px;
  padding: 54px 56px;
  position: relative;
  overflow: hidden;
}
.book-panel::before {
  content: "";
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(185, 137, 91, 0.08);
  top: -120px; right: -100px;
}
.book-desc { color: var(--text-sub); margin: 12px 0 22px; }
.book-points { list-style: none; }
.book-points li {
  padding: 9px 0;
  color: var(--text-sub);
  transition: transform 0.35s var(--ease), color 0.3s;
}
.book-points li:hover { transform: translateX(8px); color: var(--wood-dark); }
.book-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-size: 13px; color: var(--text-sub); margin-bottom: 7px; }
.field input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid rgba(74, 47, 29, 0.15);
  border-radius: 12px;
  background: var(--cream);
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s, transform 0.3s;
}
.field input:focus {
  outline: none;
  border-color: var(--wood);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(185, 137, 91, 0.15);
}
.field input:hover:not(:focus) { border-color: rgba(185, 137, 91, 0.5); }
.field select {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid rgba(74, 47, 29, 0.15);
  border-radius: 12px;
  background: var(--cream);
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.field select:focus {
  outline: none;
  border-color: var(--wood);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(185, 137, 91, 0.15);
}
.field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid rgba(74, 47, 29, 0.15);
  border-radius: 12px;
  background: var(--cream);
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  resize: vertical;
  min-height: 90px;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.field textarea:focus {
  outline: none;
  border-color: var(--wood);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(185, 137, 91, 0.15);
}
.book-options { display: flex; flex-wrap: wrap; gap: 10px; }
.book-opt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1.5px solid rgba(74, 47, 29, 0.15);
  border-radius: 999px;
  background: var(--cream);
  cursor: pointer;
  font-size: 14px;
  color: var(--ink);
  transition: all 0.25s;
  user-select: none;
}
.book-opt input { display: none; }
.book-opt:has(input:checked) {
  background: var(--wood-dark);
  border-color: var(--wood-dark);
  color: #fff;
}
.book-opt:hover { border-color: var(--wood); transform: translateY(-1px); }
.form-tip { text-align: center; font-size: 13px; color: var(--text-sub); }
.radio-group { display: flex; gap: 24px; flex-wrap: wrap; padding: 12px 0 4px; }
.radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 15px;
  color: var(--ink);
}
.radio-item input { width: 17px; height: 17px; accent-color: var(--wood-dark); }
.radio-item span { transition: color 0.2s; }
.radio-item:hover span { color: var(--wood-dark); }
.book-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  padding: 20px 0;
}
.success-icon {
  width: 74px; height: 74px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #7cb98a, #4f9162);
  color: white;
  font-size: 34px;
  animation: popIn 0.6s var(--ease);
}
@keyframes popIn { 0% { transform: scale(0); } 70% { transform: scale(1.15); } 100% { transform: scale(1); } }

/* ========== 联系 ========== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.contact-after {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 24px;
  padding: 18px 24px;
  background: rgba(185, 137, 91, 0.08);
  border: 1px dashed rgba(185, 137, 91, 0.35);
  border-radius: 14px;
  flex-wrap: wrap;
}
.contact-after-text { font-size: 14px; color: var(--text-sub); }
.contact-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px 18px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  text-align: left;
  box-shadow: 0 6px 24px rgba(74, 47, 29, 0.07);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.contact-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.cc-icon {
  width: 36px; height: 36px;
  margin: 0;
  flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 16px;
  background: rgba(185, 137, 91, 0.14);
  color: var(--wood-dark);
  font-size: 15px;
  transition: transform 0.45s var(--ease), background 0.3s;
}
.contact-card:hover .cc-icon { transform: scale(1.12) rotate(-6deg); background: rgba(185, 137, 91, 0.24); }
.cc-icon-img {
  width: 36px;
  height: 36px;
  margin: 0;
  flex-shrink: 0;
  object-fit: contain;
  transition: transform 0.45s var(--ease);
}
.contact-card:hover .cc-icon-img { transform: scale(1.12) rotate(-6deg); }
.contact-info { min-width: 0; }
.contact-info h3 { font-size: 14px; margin-bottom: 4px; }
.contact-info a, .contact-info > span {
  color: var(--wood-dark);
  font-weight: 600;
  font-size: 13px;
  word-break: break-all;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.contact-info small { display: block; color: var(--text-sub); margin-top: 2px; font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ========== 页脚 ========== */
.footer {
  background: var(--wood-deep);
  color: rgba(248, 241, 230, 0.8);
  text-align: center;
  padding: 34px 24px;
  font-size: 14px;
}
.footer p + p { margin-top: 6px; opacity: 0.7; font-size: 13px; }

/* ========== 返回顶部 ========== */
.back-top {
  position: fixed;
  right: 26px; bottom: 30px;
  width: 46px; height: 46px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--wood), var(--wood-dark));
  color: white;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(185, 137, 91, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.4s var(--ease);
  z-index: 90;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-5px); }

/* ========== Toast ========== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%) translateY(20px);
  background: var(--wood-deep);
  color: var(--cream);
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 14px;
  box-shadow: var(--shadow-hover);
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease);
  z-index: 300;
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.toast.error { background: #a3442f; }

/* ========== 滚动渐显 ========== */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }

/* ========== 响应式 ========== */
@media (max-width: 960px) {
  .hero { padding-top: 110px; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .material-grid { grid-template-columns: repeat(3, 1fr); }
  .process-track { grid-template-columns: repeat(3, 1fr); gap: 26px; }
  .process-track::before { display: none; }
  .factory-grid { grid-template-columns: 1fr; gap: 40px; }
  .install-grid { grid-template-columns: 1fr; gap: 40px; }
  .shop-fig { width: 320px; }
  .book-panel { grid-template-columns: 1fr; padding: 38px 28px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 260px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    gap: 8px;
    padding: 90px 30px 30px;
    box-shadow: -10px 0 40px rgba(74, 47, 29, 0.15);
    transition: right 0.45s var(--ease);
  }
  .nav-links.open { right: 0; }
  .nav-link { font-size: 17px; padding: 12px 0; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  #materialModal .modal-panel {
    flex-direction: column;
    overflow-y: auto;
  }
  #materialModal .modal-gallery { flex: none; }
  #materialModal .modal-gallery img { flex: none; height: 220px; min-height: 0; }
  #materialModal .modal-body { display: block; }
  #materialModal .mat-detail { max-height: 140px; }
}
@media (max-width: 560px) {
  :root { --promo-h: 40px; }
  .promo-bar { font-size: 12px; gap: 8px; }
  .promo-fire { display: none; }
  .promo-link { font-size: 12px; padding: 3px 10px; }
  .hero { padding: 110px 18px 90px; }
  .hero-inner { width: 100%; }
  .hero-panel { padding: 0; }
  .hero-title { font-size: 26px; word-break: break-word; }
  .hero-sub { font-size: 14px; }
  .case-grid { grid-template-columns: 1fr; }
  .material-grid { grid-template-columns: repeat(2, 1fr); }
  .process-track { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .factory-imgs { grid-template-columns: 1fr; }
  .factory-fig:first-child { transform: none; }
  .factory-fig:first-child:hover { transform: none; }
  .install-imgs { grid-template-columns: 1fr; }
  .install-imgs img:first-child { transform: none; }
  .shop-fig { width: 100%; }
  .contact-grid { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .slider-arrow { width: 36px; height: 36px; font-size: 20px; }
  .slider-arrow.prev { left: auto; right: 56px; }
  .slider-arrow.next { right: 12px; }
  .slider-dots { bottom: 18px; }
}