/*
 * ============================================================
 * MATERIA 材构 — 高端建筑装饰材料企业站
 * 设计系统：深色质感 | 铜色点缀 | 材料美学画册风格
 * 框架：原生 CSS + Swiper + AOS + FA6
 * 架构：第三方模板模式 ({pboot:sitedomain}/skin/)
 * ============================================================
 */

/* ===== CSS Variables ===== */
:root {
  /* 背景色系 */
  --bg-primary: #0D0D0D;
  --bg-secondary: #1A1A1A;
  --bg-card: #1E1E1E;
  --bg-elevated: #252525;
  --bg-hover: #2A2A2A;

  /* 铜色/金色点缀 */
  --accent: #C8A45C;
  --accent-light: #D4B76E;
  --accent-dark: #A8863A;
  --accent-glow: rgba(200, 164, 92, 0.15);

  /* 文字色系 */
  --text-primary: #F5F0EB;
  --text-secondary: rgba(245, 240, 235, 0.72);
  --text-muted: rgba(245, 240, 235, 0.45);
  --text-accent: var(--accent);

  /* 边框 */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(200, 164, 92, 0.25);

  /* 间距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* 圆角 */
  --radius-sm: 2px;
  --radius-md: 4px;

  /* 字体 */
  --font-display: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', serif;
  --font-heading: 'Noto Serif SC', 'STSong', 'Songti SC', 'Georgia', serif;
  --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Hiragino Sans GB', 'Helvetica Neue', sans-serif;

  /* 过渡 */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-in-out: cubic-bezier(0.645, 0.045, 0.355, 1);
  --duration-fast: 0.2s;
  --duration-normal: 0.35s;
  --duration-slow: 0.6s;

  /* 容器 */
  --container-max: 1280px;
  --header-height: 72px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--duration-fast) var(--ease-out); }
ul, ol { list-style: none; }

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 300; }
h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
  position: relative;
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent);
  margin-right: 12px;
  vertical-align: middle;
  opacity: 0.6;
}

.section-title {
  margin-bottom: var(--space-sm);
  font-weight: 300;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* ===== Container ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
  position: relative;
}
.section--alt {
  background: rgba(255, 255, 255, 0.015);
}

/* ===== Header (深色半透固定) ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(13, 13, 13, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--duration-normal) var(--ease-out);
}
.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header__logo-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.8rem;
}
.header__logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.header__logo-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-primary);
}
.header__logo-sub {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Nav */
.header__nav { display: flex; align-items: center; gap: var(--space-xl); }
.header__nav-link {
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  padding: 8px 0;
  position: relative;
  transition: color var(--duration-fast);
}
.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--duration-normal) var(--ease-out);
}
.header__nav-link:hover,
.header__nav-link.active { color: var(--text-primary); }
.header__nav-link:hover::after,
.header__nav-link.active::after { width: 100%; }

/* Dropdown */
.header__nav-item { position: relative; }
.header__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  padding: var(--space-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--duration-fast) var(--ease-out);
  z-index: 60;
}
.header__nav-item:hover .header__dropdown { opacity: 1; visibility: visible; transform: translateY(4px); }
.header__dropdown a {
  display: block;
  padding: 8px 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: all var(--duration-fast);
}
.header__dropdown a:hover { color: var(--accent); background: var(--bg-hover); }

/* Header Actions */
.header__actions { display: flex; align-items: center; gap: var(--space-md); }
.header__cta {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
  white-space: nowrap;
}
.header__cta:hover { background: var(--accent); color: var(--bg-primary); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 110;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: all var(--duration-fast);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--bg-secondary);
  z-index: 105;
  padding: var(--space-xl);
  transition: right var(--duration-normal) var(--ease-in-out);
  overflow-y: auto;
}
.mobile-nav.active { right: 0; }
.mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 104;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-fast);
}
.mobile-nav__overlay.active { opacity: 1; visibility: visible; }
.mobile-nav__link {
  display: block;
  padding: 14px 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}
.mobile-nav__sub { max-height: 0; overflow: hidden; transition: max-height var(--duration-normal); }
.mobile-nav__sub.open { max-height: 300px; }
.mobile-nav__sub a {
  display: block;
  padding: 10px 0 10px 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Hero Banner ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background: var(--bg-primary);
}
.hero-swiper { position: absolute; inset: 0; }
.hero__slide {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 1.5s ease;
}
.swiper-slide-active .hero__slide { transform: scale(1); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 30%, rgba(13,13,13,0.7) 100%),
    linear-gradient(to top, var(--bg-primary) 0%, transparent 40%);
  z-index: 2;
}
.hero__content {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg);
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 200;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  line-height: 1.15;
}
.hero__title em { font-style: italic; color: var(--accent); }
.hero__subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  font-weight: 300;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  letter-spacing: 0.08em;
  max-width: 600px;
}
.hero__actions { display: flex; gap: var(--space-md); flex-wrap: wrap; justify-content: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  border: none;
}
.btn--primary {
  background: var(--accent);
  color: var(--bg-primary);
}
.btn--primary:hover { background: var(--accent-light); transform: translateY(-1px); }
.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.25);
}
.btn--outline:hover { border-color: var(--accent); color: var(--accent); }
.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 12px 0;
}
.btn--ghost:hover { color: var(--accent); }

/* Hero scroll indicator */
.hero__scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.hero__scroll span { font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted); }
.hero__scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--text-muted), transparent); animation: scrollPulse 2s ease-in-out infinite; }
@keyframes scrollPulse { 0%, 100% { opacity: 0.4; transform: scaleY(0.7); } 50% { opacity: 1; transform: scaleY(1); } }

/* ===== Brand Section ===== */
.brand-section { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4xl); align-items: center; }
.brand-section__image { position: relative; overflow: hidden; }
.brand-section__image img { width: 100%; height: 480px; object-fit: cover; opacity: 0.75; transition: opacity var(--duration-slow); }
.brand-section__image:hover img { opacity: 0.9; }
.brand-section__image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--border-accent);
  transform: translate(12px, 12px);
  z-index: -1;
}
.brand-section__text p {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

/* ===== Product Category Cards ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
}
.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--duration-normal) var(--ease-out);
}
.category-card:hover { border-color: var(--border-accent); transform: translateY(-4px); }
.category-card:hover::before { transform: scaleX(1); }
.category-card__icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: var(--space-lg);
  opacity: 0.8;
}
.category-card__name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}
.category-card__desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Featured Product Cards (3-col) ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}
.product-card:hover { border-color: var(--border-accent); }
.product-card__image {
  position: relative;
  overflow: hidden;
  height: 320px;
}
.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.product-card:hover .product-card__image img { transform: scale(1.04); }
.product-card__body { padding: var(--space-lg); }
.product-card__tag {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  display: block;
}
.product-card__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}
.product-card__specs {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}
.product-card__specs span { display: flex; align-items: center; gap: 4px; }
.product-card__link {
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--duration-fast);
}
.product-card__link:hover { gap: 12px; }

/* ===== Inspiration Grid ===== */
.inspiration-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.inspiration-card {
  position: relative;
  overflow: hidden;
  height: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
}
.inspiration-card__image {
  position: absolute;
  inset: 0;
}
.inspiration-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow);
}
.inspiration-card:hover .inspiration-card__image img { transform: scale(1.06); }
.inspiration-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,13,13,0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
}
.inspiration-card__title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}
.inspiration-card__tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.inspiration-card__tags span {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
}

/* ===== Material Detail / Texture Showcase ===== */
.material-showcase {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.material-item {
  position: relative;
  height: 280px;
  overflow: hidden;
  cursor: pointer;
}
.material-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow);
}
.material-item:hover img { transform: scale(1.08); }
.material-item__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg);
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  opacity: 0;
  transition: opacity var(--duration-normal);
}
.material-item:hover .material-item__caption { opacity: 1; }
.material-item__caption h4 { font-family: var(--font-heading); font-size: 1rem; margin-bottom: 2px; }
.material-item__caption p { font-size: 0.75rem; color: var(--text-muted); }

/* ===== Case Grid (4-col) ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.case-card {
  position: relative;
  height: 260px;
  overflow: hidden;
  border: 1px solid var(--border-card);
}
.case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow);
}
.case-card:hover img { transform: scale(1.05); }
.case-card__info {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,13,13,0.85), transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  opacity: 0;
  transition: opacity var(--duration-normal);
}
.case-card:hover .case-card__info { opacity: 1; }
.case-card__name { font-family: var(--font-heading); font-size: 1.1rem; color: var(--text-primary); }
.case-card__material { font-size: 0.72rem; color: var(--accent); letter-spacing: 0.06em; margin-top: 4px; }

/* ===== News List ===== */
.news-mini { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-lg); }
.news-mini__card { display: flex; gap: var(--space-lg); padding: var(--space-lg); background: var(--bg-card); border: 1px solid var(--border-card); transition: border-color var(--duration-fast); }
.news-mini__card:hover { border-color: var(--border-accent); }
.news-mini__image { width: 120px; height: 90px; flex-shrink: 0; overflow: hidden; }
.news-mini__image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--duration-slow); }
.news-mini__card:hover .news-mini__image img { transform: scale(1.05); }
.news-mini__info { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.news-mini__title { font-family: var(--font-heading); font-size: 1rem; color: var(--text-primary); margin-bottom: 4px; line-height: 1.4; }
.news-mini__date { font-size: 0.72rem; color: var(--text-muted); }

/* ===== Section Header Row ===== */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* ===== CTA Section ===== */
.cta-section {
  padding: var(--space-4xl) 0;
  text-align: center;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.cta-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}
.cta-section__features {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  margin: var(--space-2xl) 0;
  flex-wrap: wrap;
}
.cta-feature {
  text-align: center;
}
.cta-feature__icon {
  width: 56px;
  height: 56px;
  border: 1px solid var(--border-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  color: var(--accent);
  font-size: 1.2rem;
}
.cta-feature__text { font-size: 0.82rem; color: var(--text-secondary); letter-spacing: 0.04em; }

/* ===== Footer ===== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1fr;
  gap: var(--space-2xl);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg) var(--space-2xl);
}
.footer__col-title {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  font-family: var(--font-body);
}
.footer__brand-desc {
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}
.footer__links a {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 5px 0;
  transition: color var(--duration-fast);
}
.footer__links a:hover { color: var(--accent); }
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}
.footer__contact-item i { color: var(--accent); margin-top: 4px; font-size: 0.75rem; width: 14px; }
.footer__bottom {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-lg);
}
.footer__bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.footer__bottom-inner a { color: var(--text-muted); }
.footer__bottom-inner a:hover { color: var(--accent); }

/* Friend Links */
.friend-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border-subtle);
  max-width: var(--container-max);
  margin: 0 auto;
}
.friend-links__label { font-size: 0.75rem; color: var(--text-muted); }
.friend-links a { font-size: 0.75rem; color: var(--text-muted); opacity: 0.5; transition: all var(--duration-fast); }
.friend-links a:hover { opacity: 1; color: var(--accent); }

/* ===== Back to Top ===== */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-fast);
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { border-color: var(--accent); color: var(--accent); }

/* ===== Inner Page Banner ===== */
.page-banner {
  position: relative;
  height: 320px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  margin-top: var(--header-height);
}
.page-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}
.page-banner__content { position: relative; z-index: 2; }
.page-banner__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}
.page-banner__subtitle { font-size: 0.85rem; color: var(--text-muted); letter-spacing: 0.1em; }

/* Breadcrumb */
.breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  font-size: 0.75rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--text-secondary); }

/* ===== List Pages (Product / News / Case) ===== */
.list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.list-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}
.list-card:hover { border-color: var(--border-accent); transform: translateY(-2px); }
.list-card__image { height: 260px; overflow: hidden; }
.list-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--duration-slow); }
.list-card:hover .list-card__image img { transform: scale(1.04); }
.list-card__body { padding: var(--space-lg); }
.list-card__title { font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: var(--space-sm); }
.list-card__desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-card__meta { display: flex; align-items: center; gap: var(--space-md); font-size: 0.72rem; color: var(--text-muted); margin-top: var(--space-sm); }

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  font-size: 0.82rem;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--duration-fast);
  border-radius: var(--radius-sm);
}
.pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination .active { background: var(--accent); color: var(--bg-primary); border-color: var(--accent); }
.no-data { text-align: center; padding: var(--space-3xl); color: var(--text-muted); font-size: 0.9rem; }

/* ===== Product Detail ===== */
.product-detail { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-3xl); }
.product-detail__gallery .swiper { width: 100%; }
.product-detail__gallery .swiper-slide { height: 480px; }
.product-detail__gallery .swiper-slide img { width: 100%; height: 100%; object-fit: cover; }
.product-detail__thumb .swiper-slide { height: 80px; opacity: 0.5; cursor: pointer; transition: opacity var(--duration-fast); border: 1px solid transparent; }
.product-detail__thumb .swiper-slide-thumb-active { opacity: 1; border-color: var(--accent); }
.product-detail__thumb .swiper-slide img { width: 100%; height: 100%; object-fit: cover; }
.product-detail__info { display: flex; flex-direction: column; gap: var(--space-lg); }
.product-detail__name { font-family: var(--font-display); font-size: 2rem; font-weight: 300; }
.product-detail__spec-table { border-collapse: collapse; }
.product-detail__spec-table td {
  padding: 10px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}
.product-detail__spec-table td:first-child { color: var(--text-muted); width: 100px; font-size: 0.78rem; letter-spacing: 0.06em; }
.product-detail__spec-table td:last-child { color: var(--text-primary); }
.product-detail__price { font-family: var(--font-heading); font-size: 1.4rem; color: var(--accent); }

/* Tabs */
.product-tabs { max-width: var(--container-max); margin: var(--space-2xl) auto 0; padding: 0 var(--space-lg); }
.product-tabs__nav { display: flex; gap: 0; border-bottom: 1px solid var(--border-subtle); }
.product-tabs__nav button {
  background: none;
  border: none;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--duration-fast);
  letter-spacing: 0.04em;
}
.product-tabs__nav button:hover, .product-tabs__nav button.active { color: var(--accent); border-bottom-color: var(--accent); }
.product-tabs__content { padding: var(--space-xl) 0; font-size: 0.9rem; line-height: 2; color: var(--text-secondary); }
.product-tabs__panel { display: none; }
.product-tabs__panel.active { display: block; }

/* ===== Contact Page ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3xl); }
.contact-info__item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.contact-info__icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
  font-size: 1rem;
}
.contact-info__label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 4px; }
.contact-info__value { color: var(--text-primary); font-size: 0.95rem; }

.contact-form { background: var(--bg-card); border: 1px solid var(--border-card); padding: var(--space-xl); }
.contact-form__title { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: var(--space-lg); }
.form-group { margin-bottom: var(--space-md); }
.form-group label { display: block; font-size: 0.78rem; color: var(--text-secondary); margin-bottom: 6px; letter-spacing: 0.04em; }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-fast);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { min-height: 120px; resize: vertical; }

/* ===== Search Page ===== */
.search-form { display: flex; gap: var(--space-sm); margin-bottom: var(--space-2xl); }
.search-form input {
  flex: 1;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  outline: none;
}
.search-form input:focus { border-color: var(--accent); }
.search-form button { padding: 14px 28px; }

/* ===== About / Single Page ===== */
.about-content { max-width: 800px; margin: 0 auto; }
.about-content h2 { margin: var(--space-2xl) 0 var(--space-md); }
.about-content h3 { margin: var(--space-xl) 0 var(--space-sm); color: var(--accent); font-size: 1.2rem; }
.about-content p { margin-bottom: var(--space-md); line-height: 2; }
.about-content img { margin: var(--space-xl) 0; }
.about-content blockquote {
  border-left: 2px solid var(--accent);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--text-primary);
}

/* ===== Content Detail ===== */
.content-detail { max-width: 860px; margin: 0 auto; }
.content-detail h1 { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 400; margin-bottom: var(--space-md); }
.content-detail .meta { display: flex; gap: var(--space-lg); font-size: 0.78rem; color: var(--text-muted); padding-bottom: var(--space-lg); border-bottom: 1px solid var(--border-subtle); margin-bottom: var(--space-xl); }
.content-detail .content-body { line-height: 2; font-size: 0.95rem; }
.content-detail .content-body img { margin: var(--space-lg) 0; }
.content-detail .content-body p { margin-bottom: var(--space-md); }
.prev-next { display: flex; justify-content: space-between; padding-top: var(--space-xl); border-top: 1px solid var(--border-subtle); margin-top: var(--space-xl); font-size: 0.85rem; }
.prev-next a { color: var(--text-secondary); }
.prev-next a:hover { color: var(--accent); }

/* ===== Sidebar (内页左侧菜单) ===== */
.page-layout { display: grid; grid-template-columns: 240px 1fr; gap: var(--space-2xl); }
.sidebar { background: var(--bg-card); border: 1px solid var(--border-card); padding: var(--space-lg); }
.sidebar__title { font-family: var(--font-heading); font-size: 1.2rem; margin-bottom: 4px; }
.sidebar__subtitle { font-size: 0.7rem; color: var(--text-muted); letter-spacing: 0.08em; margin-bottom: var(--space-lg); text-transform: uppercase; }
.sidebar__nav a {
  display: block;
  padding: 12px var(--space-md);
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--duration-fast);
}
.sidebar__nav a:hover, .sidebar__nav a.active { color: var(--accent); }

/* ===== Stats Section ===== */
.stats { display:grid; grid-template-columns:repeat(4,1fr); gap:var(--space-xl); text-align:center; }
.stat-item__number { font-family: var(--font-display); font-size: clamp(2rem, 3vw, 3rem); font-weight: 300; color: var(--text-primary); margin-bottom: var(--space-sm); line-height: 1; }
.stat-item__label { font-size: 0.8rem; color: var(--text-muted); letter-spacing: 0.08em; }

/* ===== Dealer / Single Page Form ===== */
.dealer-section { max-width: 800px; margin: 0 auto; }
.dealer-section .intro { margin-bottom: var(--space-2xl); line-height: 2; }
.dealer-features { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-lg); margin-bottom: var(--space-2xl); }
.dealer-feature { padding: var(--space-xl); background: var(--bg-card); border: 1px solid var(--border-card); text-align: center; }
.dealer-feature__icon { font-size: 1.5rem; color: var(--accent); margin-bottom: var(--space-md); }
.dealer-feature__title { font-family: var(--font-heading); font-size: 1rem; margin-bottom: var(--space-sm); }
.dealer-feature__desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.6; }

/* ===== Swiper Pagination ===== */
.hero-pagination { position: absolute; bottom: 80px; z-index: 5; display: flex; gap: 12px; }
.hero-pagination .swiper-pagination-bullet { width: 8px; height: 8px; background: rgba(255,255,255,0.3); opacity: 1; border-radius: 50%; transition: all var(--duration-fast); }
.hero-pagination .swiper-pagination-bullet-active { background: var(--accent); transform: scale(1.4); }

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dark); }

/* ===== Animations ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
[data-aos="fade-up-small"] { opacity: 0; transform: translateY(16px); transition: all var(--duration-slow) var(--ease-out); }
[data-aos="fade-up-small"].aos-animate { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .header__nav { display: none; }
  .hamburger { display: flex; }
  .brand-section { grid-template-columns: 1fr; gap: var(--space-xl); }
  .brand-section__image img { height: 300px; }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .inspiration-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .material-showcase { grid-template-columns: repeat(2, 1fr); }
  .news-mini { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .product-detail { grid-template-columns: 1fr; }
  .product-detail__gallery .swiper-slide { height: 360px; }
  .contact-grid { grid-template-columns: 1fr; }
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { margin-bottom: var(--space-lg); }
  .dealer-features { grid-template-columns: repeat(2, 1fr); }
  .list-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  /* ===== Global fixes ===== */
  html, body { overflow-x: hidden; width: 100%; }
  .container { padding: 0 var(--space-md); }
  .section { padding: var(--space-2xl) 0; }

  /* ===== Header ===== */
  .header { height: 60px; }
  .header__inner { padding: 0 var(--space-md); }
  .header__cta { display: none; }
  .header__logo-name { font-size: 0.95rem; }
  .header__logo-sub { font-size: 0.5rem; }
  .header__logo-icon { width: 30px; height: 30px; font-size: 0.65rem; }
  .hamburger { display: flex; }

  /* ===== Hero ===== */
  .hero { min-height: 100vh; height: auto; }
  .hero__title { font-size: clamp(1.6rem, 7vw, 2.2rem); padding: 0 var(--space-md); }
  .hero__subtitle { font-size: 0.85rem; padding: 0 var(--space-md); max-width: 100%; }
  .hero__actions { padding: 0 var(--space-md); }
  .hero__scroll { display: none; }
  .hero-pagination { bottom: 40px; }

  /* ===== Brand Section ===== */
  .brand-section { grid-template-columns: 1fr; gap: var(--space-lg); }
  .brand-section__image::after { display: none; }
  .brand-section__image img { height: 240px; }
  .brand-section__text { padding: 0; }

  /* ===== Category Grid ===== */
  .category-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
  .category-card { padding: var(--space-lg) var(--space-md); }

  /* ===== Product Grid ===== */
  .product-grid { grid-template-columns: 1fr; }
  .product-card__image { height: 240px; }

  /* ===== Inspiration Grid ===== */
  .inspiration-grid { grid-template-columns: 1fr; }
  .inspiration-card { height: 260px; }

  /* ===== Case Grid ===== */
  .case-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
  .case-card { height: 200px; }

  /* ===== Material Showcase ===== */
  .material-showcase { grid-template-columns: repeat(2, 1fr); }
  .material-item { height: 180px; }
  .material-item__caption { opacity: 1; padding: var(--space-md); }

  /* ===== News Mini ===== */
  .news-mini { grid-template-columns: 1fr; }
  .news-mini__card { flex-direction: column; }
  .news-mini__image { width: 100%; height: 180px; }

  /* ===== Stats ===== */
  .stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
  .stat-item__number { font-size: 1.8rem; }

  /* ===== CTA ===== */
  .cta-section { padding: var(--space-2xl) var(--space-md); }
  .cta-section__features { flex-direction: column; align-items: center; gap: var(--space-lg); }
  .cta-section__title { font-size: 1.5rem; }

  /* ===== Footer ===== */
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-xl); padding: 0 var(--space-md) var(--space-xl); }
  .footer__bottom-inner { flex-direction: column; text-align: center; gap: var(--space-sm); }
  .footer__bottom { padding: var(--space-md); }

  /* ===== Page Banner ===== */
  .page-banner { height: 200px; margin-top: 60px; }
  .page-banner__title { font-size: 1.5rem; }

  /* ===== Breadcrumb ===== */
  .breadcrumb { padding: var(--space-sm) var(--space-md); font-size: 0.7rem; }

  /* ===== List Grid ===== */
  .list-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .list-card__image { height: 200px; }

  /* ===== Product Detail ===== */
  .product-detail { grid-template-columns: 1fr; gap: var(--space-lg); }
  .product-detail__gallery .swiper-slide { height: 280px; }
  .product-detail__name { font-size: 1.5rem; }
  .product-tabs__nav { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .product-tabs__nav button { padding: 12px 16px; font-size: 0.78rem; white-space: nowrap; flex-shrink: 0; }
  .product-tabs { padding: 0 var(--space-md); }

  /* ===== Contact ===== */
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .contact-form { padding: var(--space-lg); }
  .contact-info__item { padding: var(--space-md) 0; }

  /* ===== Content Detail ===== */
  .content-detail { padding: 0; }
  .content-detail h1 { font-size: 1.4rem; }
  .content-detail .meta { flex-wrap: wrap; gap: var(--space-sm); }

  /* ===== About / Single Page ===== */
  .about-content { padding: 0; }
  .about-content h2 { font-size: 1.4rem; }
  .about-content blockquote { font-size: 1.1rem; }

  /* ===== Section Header ===== */
  .section-header { flex-direction: column; align-items: flex-start; }

  /* ===== Dealer ===== */
  .dealer-features { grid-template-columns: 1fr; }
  .dealer-section { padding: 0; }

  /* ===== Search ===== */
  .search-form { flex-direction: column; }
  .search-form button { width: 100%; justify-content: center; }

  /* ===== Pagination ===== */
  .pagination { gap: 4px; }
  .pagination a, .pagination span { min-width: 34px; height: 34px; font-size: 0.75rem; }

  /* ===== Back to Top & Customer Service ===== */
  .back-top { bottom: 80px; right: 16px; width: 38px; height: 38px; }

  /* ===== Friend Links ===== */
  .friend-links { flex-direction: column; align-items: flex-start; gap: var(--space-sm); }

  /* ===== Sidebar ===== */
  .sidebar { margin-bottom: var(--space-lg); }

  /* ===== Hide desktop-only ===== */
  .hero__scroll { display: none; }
}

/* July 8 material catalogue mobile layout; desktop preserved. */
@media(max-width:1024px){
 body.page-inner{padding-top:calc(var(--header-height) + 16px)}
 .container{padding-left:20px;padding-right:20px}.page-banner{margin-top:0;min-height:150px;height:auto}.page-banner__content{padding:28px 20px;min-width:0}.page-banner__title{font-size:26px;line-height:1.45;overflow-wrap:anywhere}.page-banner__subtitle{font-size:13px;line-height:1.7;overflow-wrap:anywhere}
 .breadcrumb{padding:12px 0;line-height:1.9;overflow-wrap:anywhere}
 .header__inner{padding:0 20px;gap:8px}.header__logo{min-width:0;flex:1;gap:8px}.header__logo-text{min-width:0}.header__logo-name{white-space:normal;line-height:1.3}.header__logo-icon,.hamburger{flex-shrink:0}.hamburger{width:44px;height:44px;align-items:center;justify-content:center}.header{z-index:110}
 .mobile-nav{top:var(--header-height);height:calc(100dvh - var(--header-height));width:calc(100vw - 48px);max-width:340px;right:-110vw;visibility:hidden;pointer-events:none;padding:20px 16px}.mobile-nav.active{right:0;visibility:visible;pointer-events:auto}.mobile-nav__link{font-size:14px;padding:11px 0;min-height:44px}.mobile-nav__sub.open{max-height:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}.mobile-nav__sub a{font-size:12px;padding:10px}.mobile-nav__sub a:first-child{grid-column:1/-1}
 .product-detail>*,.product-grid>*,.list-grid>*,.case-grid>*,.contact-grid>*,.news-mini__info,.footer__grid>*{min-width:0}
 .product-detail__spec-table{width:100%;table-layout:fixed}.product-detail__spec-table td{overflow-wrap:anywhere}.product-detail__spec-table td:first-child{width:84px}
 .content-body,.about-content,.product-tabs__panel,.contact-info__value,.prev-next,.footer__contact-item{overflow-wrap:anywhere}.content-body img,.about-content img,.product-tabs__panel img{max-width:100%;height:auto}.content-body table,.about-content table{display:block;max-width:100%;overflow-x:auto}
 .product-tabs__nav{flex-wrap:wrap;overflow:visible}.product-tabs__nav button{min-width:0;flex:1;white-space:normal;padding:12px 8px}.product-tabs{padding:0}.product-tabs__panel .list-card__image{width:90px!important;height:120px!important}.product-tabs__panel .list-card__body{min-width:0}
 .form-group input,.form-group textarea,.search-form input{font-size:16px;min-width:0;max-width:100%}.form-group:has([name=checkcode]){flex-wrap:wrap}
 .prev-next{flex-wrap:wrap;gap:14px}.case-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}.product-detail__gallery{min-width:0}
 [data-aos="fade-left"],[data-aos="fade-right"]{transform:translateY(20px)}[data-aos="fade-left"].aos-animate,[data-aos="fade-right"].aos-animate{transform:translateY(0)}
}
@media(max-width:768px){
 :root{--header-height:60px;--space-2xl:30px;--space-3xl:36px;--space-4xl:40px}
 body{font-size:14px}.section{padding:32px 0}.header__logo-name{font-size:12px;letter-spacing:0}.header__logo-sub{font-size:7px;letter-spacing:.04em}.header__logo-icon{width:28px;height:28px}.header__actions{display:none}
 .hero{height:430px;min-height:0}.hero__content{padding:78px 20px 44px}.hero__title{padding:0;font-size:28px;line-height:1.45;margin-bottom:16px;letter-spacing:.04em}.hero__subtitle{padding:0;font-size:13px;line-height:1.8;margin-bottom:22px}.hero__actions{padding:0;gap:10px}.hero-pagination{bottom:24px;left:20px;width:auto}.hero__overlay{background:linear-gradient(180deg,rgba(13,13,13,.35),rgba(13,13,13,.15) 45%,var(--bg-primary))}
 .btn{min-height:44px;padding:12px 16px;font-size:12px;white-space:normal}.section-title{font-size:24px;line-height:1.5}.section-subtitle{font-size:13px;line-height:1.75}.section-tag{font-size:10px;letter-spacing:.13em}.section-header{gap:12px;margin-bottom:22px}
 .brand-section{gap:20px}.brand-section__image img{height:190px;object-fit:cover}.brand-section__text p{font-size:13px;line-height:1.9}
 .category-grid{gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}.category-card{padding:18px 12px}.category-card__name{font-size:16px}.category-card__desc{font-size:11px}.category-card__icon{font-size:20px;margin-bottom:10px}
 .product-grid{grid-template-columns:1fr;gap:12px}.product-card{display:grid;grid-template-columns:110px minmax(0,1fr)}.product-card__image{height:100%;min-height:150px}.product-card__body{padding:16px 12px}.product-card__title{font-size:18px;line-height:1.5}.product-card__tag,.product-card__link{font-size:11px}.product-card__specs{font-size:11px;gap:8px;flex-wrap:wrap;overflow-wrap:anywhere}
 .inspiration-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.inspiration-card{height:200px}.inspiration-card:first-child{grid-column:1/-1;height:210px}.inspiration-card__overlay{padding:16px 12px}.inspiration-card__title{font-size:17px;line-height:1.45}.inspiration-card__tags{font-size:11px}
 .case-grid{gap:12px}.case-card{height:210px}.case-card__info{padding:14px 10px}.case-card__name{font-size:16px;line-height:1.5}.case-card__material{font-size:11px;overflow-wrap:anywhere}
 .material-showcase{gap:10px;padding:0 20px}.material-item{height:170px}.material-item__caption{padding:12px}.material-item__caption h4{font-size:16px}.material-item__caption p{font-size:11px}
 .news-mini{gap:12px}.news-mini__card{flex-direction:row;gap:12px;padding:14px 12px}.news-mini__image{width:78px!important;height:92px!important;flex-shrink:0}.news-mini__title{font-size:16px;line-height:1.5}.news-mini__date{font-size:11px}.news-mini__info{padding:0}.news-mini .list-card__desc{font-size:12px;line-height:1.7}
 .stats{gap:22px 12px}.stat-item__number{font-size:28px}.stat-item__label{font-size:11px}.cta-section{padding:34px 20px}.cta-section__features{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:16px}.cta-section__title{font-size:24px;line-height:1.5}
 .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px;padding:0 20px 26px}.footer__grid>div:first-child{grid-column:1/-1}.footer__brand-desc{font-size:12px;line-height:1.8}.footer__col-title{font-size:15px}.footer__links a,.footer__contact-item{font-size:12px}.footer__bottom-inner{font-size:10px;align-items:flex-start;text-align:left}.friend-links{flex-direction:row;flex-wrap:wrap;gap:12px;font-size:11px}
 .list-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.list-card__image{height:150px}.list-card__body{padding:14px 10px}.list-card__title{font-size:16px;line-height:1.5}.list-card__desc{font-size:12px;line-height:1.7}.list-card__meta{flex-wrap:wrap;font-size:11px}
 .product-detail__gallery .swiper-slide{height:240px}.product-detail__name,.content-detail h1{font-size:24px;line-height:1.5}.product-detail__price{font-size:22px}.product-detail__spec-table td{padding:12px 10px;font-size:13px}.product-tabs__content{padding:20px 0}.product-tabs__panel{font-size:14px;line-height:1.9}
 .contact-form{padding:22px 16px}.contact-form__title{font-size:22px;line-height:1.5}.contact-info__value{font-size:14px}.contact-grid{gap:24px}.content-detail .content-body,.about-content{font-size:14px;line-height:1.9}.prev-next{font-size:12px}
 .search-form{flex-direction:row;flex-wrap:wrap;gap:10px}.search-form input{width:100%;flex-basis:100%}.search-form button{width:auto;padding:12px 20px}
}