/* ============================================================
   天之麟干式溜光机 TIANZHILIN · 官网样式
   浅色高端风 · 白底 · 金色渐变 · 大字体 · 图片驱动
   ============================================================ */

:root {
  /* 浅色主色板 */
  --bg-page: #ffffff;
  --bg-soft: #f7f8fa;          /* 浅灰面板 */
  --bg-soft-2: #f2f4f8;
  --bg-card: #ffffff;

  --ink: #171c28;              /* 主文字 */
  --ink-2: #4b5568;            /* 次文字 */
  --ink-3: #8a93a6;            /* 弱文字 */

  --gold: #c9a25c;
  --gold-light: #e2c489;
  --gold-deep: #a97f36;
  --gold-gradient: linear-gradient(135deg, #e2c489 0%, #c9a25c 45%, #a97f36 100%);
  --gold-soft: rgba(201,162,92,0.12);

  --border: #e8ebf1;
  --border-gold: rgba(201,162,92,0.4);

  --navy: #12172a;             /* 深色锚点（Footer / CTA） */
  --navy-2: #1a2138;

  --radius: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;

  --shadow-sm: 0 2px 12px rgba(23,28,40,0.06);
  --shadow-md: 0 10px 32px rgba(23,28,40,0.10);
  --shadow-lg: 0 24px 64px rgba(23,28,40,0.14);
  --shadow-gold: 0 10px 30px rgba(201,162,92,0.28);

  --font-sans: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", -apple-system, "Segoe UI", sans-serif;
  --font-display: "Playfair Display", "PingFang SC", "Microsoft YaHei", serif;
  --font-mono: "JetBrains Mono", "Consolas", monospace;

  --transition-fast: 0.2s ease;
  --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-page);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 顶部氛围光（极浅金色） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 40% at 50% -8%, rgba(201,162,92,0.08), transparent 60%),
    radial-gradient(ellipse 40% 35% at 92% 12%, rgba(201,162,92,0.05), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.text-gradient-gold {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ============ 导航 ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: var(--transition);
  padding: 1.1rem 0;
}
.nav.scrolled {
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 0;
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--ink);
}
.nav-logo-mark {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--gold-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: var(--shadow-gold);
}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav-logo-text strong {
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  font-weight: 700;
}
.nav-logo-text span {
  font-size: 0.68rem;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}
.nav-links a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.3rem 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-deep); }
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--gold-gradient);
  border-radius: 2px;
  transition: var(--transition-fast);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 0.8rem; }

.lang-switch { display: flex; align-items: center; gap: 0.4rem; }
.lang-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink-2);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--transition-fast);
  font-family: var(--font-sans);
}
.lang-btn:hover { border-color: var(--border-gold); color: var(--gold-deep); }
.lang-btn.active {
  background: var(--gold-gradient);
  color: #fff;
  border-color: transparent;
  font-weight: 600;
}
.nav-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--ink);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============ Hero（左文右图 分屏布局） ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 110px 0 60px;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,162,92,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,162,92,0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(0,0,0,0.9), transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(0,0,0,0.9), transparent 75%);
}
.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 3rem;
  position: relative;
  z-index: 2;
}
#particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1.2rem;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--gold-deep);
  font-family: var(--font-mono);
  margin-bottom: 1.8rem;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.5); }
}
.hero-title {
  font-size: clamp(2.6rem, 5.4vw, 4.4rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 0.02em;
  margin-bottom: 1.4rem;
}
.hero-title .line { display: block; }
.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  color: var(--ink-2);
  max-width: 600px;
  margin-bottom: 2.2rem;
  line-height: 1.85;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* Hero 右侧视觉 */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual-glow {
  position: absolute;
  width: 80%; height: 80%;
  background: radial-gradient(ellipse at center, rgba(201,162,92,0.22), transparent 65%);
  border-radius: 50%;
  filter: blur(30px);
  animation: glowFloat 6s ease-in-out infinite;
}
@keyframes glowFloat {
  0%,100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.08); opacity: 1; }
}
.hero-visual-ring {
  position: absolute;
  width: 92%; aspect-ratio: 1;
  border: 1px dashed rgba(201,162,92,0.35);
  border-radius: 50%;
  animation: spinSlow 40s linear infinite;
}
@keyframes spinSlow { to { transform: rotate(360deg); } }
.hero-visual-img {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 560px;
  filter: drop-shadow(0 30px 50px rgba(23,28,40,0.22));
  animation: machineFloat 5s ease-in-out infinite;
}
@keyframes machineFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
/* 浮动标签 */
.hero-chip {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  padding: 0.55rem 1.1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}
.hero-chip .chip-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold-gradient);
  flex-shrink: 0;
}
.hero-chip-1 { top: 12%; left: -4%; animation: chipFloat1 5s ease-in-out infinite; }
.hero-chip-2 { top: 44%; right: -6%; animation: chipFloat1 6s ease-in-out 0.8s infinite; }
.hero-chip-3 { bottom: 8%; left: 6%; animation: chipFloat1 5.5s ease-in-out 1.6s infinite; }
@keyframes chipFloat1 {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}
.btn-primary {
  background: var(--gold-gradient);
  color: #fff;
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(201,162,92,0.42);
}
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid #d6dbe4;
}
.btn-outline:hover {
  border-color: var(--border-gold);
  color: var(--gold-deep);
  background: var(--gold-soft);
}
.btn-arrow { transition: var(--transition-fast); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* Hero 数据 */
.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}
.hero-stat { text-align: left; }
.hero-stat-number {
  font-size: 2.3rem;
  font-weight: 700;
  font-family: var(--font-display);
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stat-number .unit { font-size: 1.1rem; }
.hero-stat-label {
  font-size: 0.85rem;
  color: var(--ink-3);
  letter-spacing: 0.05em;
}
.scroll-indicator {
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-3);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-indicator-line {
  width: 1px; height: 40px;
  background: linear-gradient(var(--gold), transparent);
  animation: scrollLine 1.8s infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============ 通用 section ============ */
.section { padding: 5.5rem 0; position: relative; }
.section-alt { background: var(--bg-soft); }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 600;
  margin-bottom: 1rem;
}
.section-label::before {
  content: "";
  width: 30px; height: 1px;
  background: var(--gold-gradient);
}
.section h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 1rem;
}
.section-subtitle {
  color: var(--ink-2);
  font-size: 1.05rem;
  max-width: 680px;
  margin-bottom: 3rem;
}
.text-center { text-align: center; }
.text-center .section-label { justify-content: center; }
.text-center .section-label::after {
  content: "";
  width: 30px; height: 1px;
  background: var(--gold-gradient);
}
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ============ 品牌叙事（左文右图） ============ */
.narrative-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.narrative-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.narrative-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s ease;
}
.narrative-visual:hover img { transform: scale(1.04); }
.narrative-visual-badge {
  position: absolute;
  bottom: 1.2rem; left: 1.2rem;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  padding: 0.9rem 1.3rem;
  box-shadow: var(--shadow-md);
}
.narrative-visual-badge strong {
  display: block;
  font-size: 1.3rem;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.narrative-visual-badge span { font-size: 0.8rem; color: var(--ink-2); }
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 2.2rem;
}
.adv-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.4rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.adv-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.adv-icon {
  width: 48px; height: 48px;
  border-radius: 13px;
  background: var(--gold-soft);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}
.adv-card h3 { font-size: 1.08rem; margin-bottom: 0.5rem; }
.adv-card p { font-size: 0.88rem; color: var(--ink-2); line-height: 1.7; }

/* ============ 产品矩阵 ============ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-gold);
  box-shadow: var(--shadow-lg);
}
.product-card-img {
  width: 100%;
  height: 210px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(160deg, var(--bg-soft), var(--bg-soft-2));
}
.product-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.product-card:hover .product-card-img img { transform: scale(1.08); }
.product-card-badge {
  position: absolute;
  top: 0.8rem; left: 0.8rem;
  background: var(--gold-gradient);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-gold);
}
.product-card-body { padding: 1.3rem; }
.product-card-body .model {
  font-size: 0.78rem;
  color: var(--gold-deep);
  font-family: var(--font-mono);
  margin-bottom: 0.4rem;
  letter-spacing: 0.06em;
}
.product-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}
.product-card-body p {
  font-size: 0.86rem;
  color: var(--ink-3);
  line-height: 1.6;
}

/* ============ 技术优势 ============ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.tech-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}
.tech-card:hover::before { transform: scaleX(1); }
.tech-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.tech-card h3 { font-size: 1.12rem; margin-bottom: 0.6rem; }
.tech-card p { font-size: 0.9rem; color: var(--ink-2); line-height: 1.7; }
.tech-num {
  font-size: 2.6rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: transparent;
  -webkit-text-stroke: 1px rgba(201,162,92,0.45);
  line-height: 1;
  margin-bottom: 1rem;
}

/* ============ 五步溜光工艺（动效版） ============ */
.process-wrap { position: relative; }
.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.4rem;
  padding-top: 3.2rem;
}
/* 进度线 */
.process-line {
  position: absolute;
  top: 1.55rem; left: 4%;
  right: 4%;
  height: 3px;
  background: var(--border);
  border-radius: 3px;
  overflow: visible;
}
.process-line-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: var(--gold-gradient);
  border-radius: 3px;
  transition: width 2.4s cubic-bezier(0.22,1,0.36,1);
}
.process-wrap.animate .process-line-fill { width: 100%; }
/* 流光扫过 */
.process-line-fill::after {
  content: "";
  position: absolute;
  right: 0; top: -3px;
  width: 14px; height: 9px;
  background: radial-gradient(ellipse, #fff, rgba(226,196,137,0));
  border-radius: 50%;
}
.process-step {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.7rem 1.4rem 1.5rem;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(26px) scale(0.96);
}
.process-wrap.animate .process-step {
  animation: stepIn 0.7s cubic-bezier(0.22,1,0.36,1) forwards;
}
.process-wrap.animate .process-step:nth-child(2) { animation-delay: 0.25s; }
.process-wrap.animate .process-step:nth-child(3) { animation-delay: 0.75s; }
.process-wrap.animate .process-step:nth-child(4) { animation-delay: 1.25s; }
.process-wrap.animate .process-step:nth-child(5) { animation-delay: 1.75s; }
@keyframes stepIn {
  to { opacity: 1; transform: translateY(0) scale(1); }
}
/* 节点圆 */
.process-node {
  position: absolute;
  top: -3.2rem; left: 50%;
  transform: translateX(-50%);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  transition: var(--transition);
  z-index: 2;
}
.process-wrap.animate .process-node {
  border-color: var(--gold);
  box-shadow: 0 0 0 6px var(--gold-soft);
  animation: nodePop 0.5s cubic-bezier(0.34,1.56,0.64,1) forwards;
}
.process-wrap.animate .process-step:nth-child(2) .process-node { animation-delay: 0.25s; }
.process-wrap.animate .process-step:nth-child(3) .process-node { animation-delay: 0.75s; }
.process-wrap.animate .process-step:nth-child(4) .process-node { animation-delay: 1.25s; }
.process-wrap.animate .process-step:nth-child(5) .process-node { animation-delay: 1.75s; }
.process-wrap.animate .process-step:nth-child(6) .process-node { animation-delay: 2.25s; }
@keyframes nodePop {
  0% { transform: translateX(-50%) scale(0.4); }
  100% { transform: translateX(-50%) scale(1); }
}
/* 步骤完成后呼吸脉冲 */
.process-wrap.animate .process-node.pulsing {
  animation: nodePulse 2.2s ease-in-out infinite;
}
@keyframes nodePulse {
  0%,100% { box-shadow: 0 0 0 5px var(--gold-soft); }
  50% { box-shadow: 0 0 0 10px rgba(201,162,92,0.07); }
}
.process-step-num {
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--gold-deep);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}
.process-step h4 { font-size: 1.08rem; margin-bottom: 0.45rem; }
.process-step p { font-size: 0.84rem; color: var(--ink-3); line-height: 1.65; }
.process-step:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

/* ============ 应用行业（图片卡片） ============ */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.industry-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16 / 9.5;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: block;
  text-decoration: none;
}
.industry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-gold);
}
.industry-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
  display: block;
}
.industry-card:hover img { transform: scale(1.08); }
.industry-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,23,42,0) 30%, rgba(18,23,42,0.78) 100%);
  display: flex;
  align-items: flex-end;
  padding: 1.2rem 1.4rem;
  transition: var(--transition-fast);
}
.industry-card-name {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.industry-card-name::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold-gradient);
  flex-shrink: 0;
}
/* CTA 卡片 */
.industry-cta-card {
  position: relative;
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 9.5;
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-2) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  text-decoration: none;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid rgba(201,162,92,0.3);
}
.industry-cta-card::before {
  content: "";
  position: absolute;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,162,92,0.25), transparent 70%);
  top: -80px; right: -60px;
}
.industry-cta-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.industry-cta-num {
  font-size: 2.6rem;
  font-weight: 700;
  font-family: var(--font-display);
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.industry-cta-text {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ============ 工艺选型（磨料匹配 · 高端概述） ============ */
.abrasive-hero {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}
.abrasive-quote {
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  font-weight: 600;
  line-height: 1.75;
  color: var(--ink);
  position: relative;
  padding: 0 1rem;
}
.abrasive-quote em {
  font-style: normal;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.abrasive-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}
.abrasive-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.6rem;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.abrasive-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.abrasive-card-icon {
  width: 58px; height: 58px;
  margin: 0 auto 1.1rem;
  border-radius: 50%;
  background: var(--gold-soft);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.abrasive-card h3 { font-size: 1.1rem; margin-bottom: 0.6rem; }
.abrasive-card p { font-size: 0.87rem; color: var(--ink-2); line-height: 1.7; }

/* ============ CTA ============ */
.cta-section { padding: 5.5rem 0; }
.cta-content {
  text-align: center;
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-2) 100%);
  border-radius: var(--radius-lg);
  padding: 4.5rem 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-content::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 60% at 50% 0%, rgba(201,162,92,0.18), transparent 60%),
    radial-gradient(ellipse 30% 30% at 85% 90%, rgba(201,162,92,0.1), transparent 60%);
  pointer-events: none;
}
.cta-content .section-label { color: var(--gold-light); justify-content: center; }
.cta-content h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  margin-bottom: 1rem;
  position: relative;
}
.cta-content p {
  color: rgba(255,255,255,0.72);
  max-width: 560px;
  margin: 0 auto 2.2rem;
  position: relative;
}
.cta-content .btn-outline {
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}
.cta-content .btn-outline:hover {
  border-color: var(--gold-light);
  color: var(--gold-light);
  background: rgba(201,162,92,0.08);
}
.cta-content > .container, .cta-content h2, .cta-content p, .cta-content div { position: relative; }

/* ============ Footer（深色锚点） ============ */
.footer {
  background: var(--navy);
  padding: 4rem 0 2rem;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer .nav-logo { color: #fff; }
.footer .nav-logo-text span { color: rgba(255,255,255,0.4); }
.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  margin-top: 1rem;
  line-height: 1.75;
}
.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 1.2rem;
  color: #fff;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.7rem; }
.footer-col a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
}
.footer-bottom a { color: rgba(255,255,255,0.4); text-decoration: none; }
.footer-bottom a:hover { color: var(--gold-light); }
/* 友情链接 / 相关站点 */
.footer-friendly {
  margin-top: 2.5rem;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}
.footer-friendly h4 {
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.55);
  font-weight: 600;
  white-space: nowrap;
}
.footer-friendly-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.8rem;
}
.footer-friendly-links a {
  color: rgba(255,255,255,0.42);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition-fast);
  position: relative;
  padding-left: 0.9rem;
}
.footer-friendly-links a::before {
  content: "";
  position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(184, 137, 61, 0.55);
}
.footer-friendly-links a:hover { color: var(--gold-light); }
.footer-friendly-links a.flink-global { color: rgba(212, 175, 110, 0.85); font-weight: 600; }

/* ============ 资讯文章详情页（GEO 内容页） ============ */
.article-wrap {
  max-width: 820px;
  margin: 0 auto;
  background: #fff;
  border-radius: 20px;
  border: 1px solid rgba(20, 26, 46, 0.05);
  box-shadow: 0 18px 48px rgba(20, 26, 46, 0.08);
  padding: 3rem 3.2rem 2.6rem;
}
.article-meta-top {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  font-size: 0.82rem;
  color: var(--ink-2, #5a6072);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.06em;
}
.article-header h1 {
  margin-top: 1rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.35;
  color: var(--ink, #141a2e);
}
.article-lead {
  margin-top: 1.1rem;
  padding: 1rem 1.2rem;
  background: linear-gradient(135deg, rgba(184, 137, 61, 0.07), rgba(184, 137, 61, 0.02));
  border-left: 3px solid var(--gold, #b8893d);
  border-radius: 0 12px 12px 0;
  color: var(--ink-2, #5a6072);
  font-size: 0.95rem;
  line-height: 1.8;
}
.article-content { margin-top: 2.2rem; }
.article-content h2 {
  font-size: 1.22rem;
  margin: 2.2rem 0 1rem;
  padding-left: 0.8rem;
  border-left: 3px solid var(--gold, #b8893d);
  color: var(--ink, #141a2e);
}
.article-content p {
  color: var(--ink-2, #5a6072);
  line-height: 1.95;
  font-size: 0.96rem;
  margin-bottom: 1rem;
}
.article-content ul {
  margin: 0 0 1.2rem;
  padding-left: 0;
  list-style: none;
}
.article-content li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--ink-2, #5a6072);
  line-height: 1.9;
  font-size: 0.94rem;
  margin-bottom: 0.5rem;
}
.article-content li::before {
  content: "";
  position: absolute; left: 0.2rem; top: 0.72em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, #b8893d, #d4af6e);
}
.article-footer {
  margin-top: 2.6rem;
  padding-top: 1.6rem;
  border-top: 1px dashed rgba(20, 26, 46, 0.12);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.article-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.article-tags span {
  font-size: 0.78rem;
  color: var(--gold, #b8893d);
  background: rgba(184, 137, 61, 0.08);
  border: 1px solid rgba(184, 137, 61, 0.22);
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
}
.article-src { font-size: 0.82rem; color: rgba(20, 26, 46, 0.45); }
.article-src a { color: var(--gold, #b8893d); text-decoration: none; }
.article-src a:hover { text-decoration: underline; }
.related-section { max-width: 1100px; margin: 3.5rem auto 0; }
@media (max-width: 760px) {
  .article-wrap { padding: 2rem 1.4rem 1.8rem; }
}

/* ============ FAQ 常见问题（contact 页） ============ */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 0.9rem; }
.faq-item {
  background: #fff;
  border: 1px solid rgba(20, 26, 46, 0.07);
  border-radius: 14px;
  padding: 1.1rem 1.4rem;
  transition: box-shadow 0.3s ease;
}
.faq-item[open] { box-shadow: 0 12px 32px rgba(20, 26, 46, 0.08); }
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink, #141a2e);
  font-size: 0.98rem;
  list-style: none;
  position: relative;
  padding-right: 2rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute; right: 0.2rem; top: 50%;
  transform: translateY(-50%);
  color: var(--gold, #b8893d);
  font-size: 1.2rem;
  font-family: 'JetBrains Mono', monospace;
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  margin-top: 0.8rem;
  color: var(--ink-2, #5a6072);
  line-height: 1.85;
  font-size: 0.9rem;
}

/* news-card 链接化（资讯列表卡片整卡可点） */
.news-card-link { display: block; text-decoration: none; color: inherit; height: 100%; }
.news-card-link:hover { text-decoration: none; }

/* ============ 动画 reveal ============ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero-visual { max-width: 520px; margin: 0 auto; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid, .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .abrasive-grid { grid-template-columns: repeat(2, 1fr); }
  .narrative-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .process-track { grid-template-columns: 1fr; padding-top: 0; gap: 1rem; }
  .process-line { display: none; }
  .process-step { opacity: 1; transform: none; animation: none !important; }
  .process-wrap.animate .process-step { animation: none; opacity: 1; transform: none; }
  .process-node {
    position: static;
    transform: none;
    margin-bottom: 0.8rem;
    animation: none !important;
  }
  .hero-chip { display: none; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-menu-btn { display: block; }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(18px);
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  .products-grid, .adv-grid, .tech-grid, .industry-grid, .abrasive-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
  .lang-switch { display: none; }
  .section { padding: 4rem 0; }
}
@media (max-width: 768px) {
  .lang-switch.mobile-visible { display: flex; }
}

/* ============ 内页 Banner ============ */
.page-hero {
  padding: 150px 0 2.5rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg-page) 100%);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,162,92,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,162,92,0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, rgba(0,0,0,0.9), transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, rgba(0,0,0,0.9), transparent 80%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.page-hero p { color: var(--ink-2); font-size: 1.05rem; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--ink-3);
  margin-bottom: 1.2rem;
}
.breadcrumb a { color: var(--ink-3); text-decoration: none; transition: var(--transition-fast); }
.breadcrumb a:hover { color: var(--gold-deep); }
.breadcrumb em { font-style: normal; color: var(--gold-deep); font-weight: 600; }

/* ============ 筛选 Tab ============ */
.filter-tabs {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  justify-content: center;
}
.filter-tab {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--ink-2);
  padding: 0.65rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: var(--font-sans);
}
.filter-tab:hover { border-color: var(--border-gold); color: var(--gold-deep); }
.filter-tab.active {
  background: var(--gold-gradient);
  color: #fff;
  border-color: transparent;
  font-weight: 600;
  box-shadow: var(--shadow-gold);
}
/* 筛选切换动画 */
.product-card.filter-hide { display: none; }
.product-card.filter-in { animation: cardIn 0.5s cubic-bezier(0.22,1,0.36,1) both; }
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ============ 产品卡片规格预览 ============ */
.product-card-specs {
  display: flex;
  gap: 1rem;
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--border);
}
.product-card-specs .spec {
  flex: 1;
  min-width: 0;
}
.product-card-specs .spec b {
  display: block;
  font-size: 0.95rem;
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.product-card-specs .spec span {
  font-size: 0.72rem;
  color: var(--ink-3);
}
.product-card-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold-deep);
}
.product-card:hover .product-card-more .btn-arrow { transform: translateX(4px); }

/* ============ 产品详情 ============ */
.detail-top {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 4rem;
}
.detail-visual {
  position: relative;
  background: linear-gradient(160deg, var(--bg-soft), var(--bg-soft-2));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.detail-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.detail-visual .product-card-badge { position: absolute; }
.detail-info .model {
  font-size: 0.9rem;
  color: var(--gold-deep);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.detail-info h1 {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 1rem;
}
.detail-info .detail-summary {
  color: var(--ink-2);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.detail-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.detail-features .chip {
  background: var(--gold-soft);
  border: 1px solid var(--border-gold);
  color: var(--gold-deep);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
}
.detail-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* 参数表 */
.detail-section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.6rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.detail-section-title::before {
  content: "";
  width: 4px; height: 1.4em;
  background: var(--gold-gradient);
  border-radius: 2px;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 4rem;
}
.spec-table td {
  padding: 1rem 1.4rem;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
  width: 50%;
}
.spec-table tr:nth-child(odd) td:first-child,
.spec-table tr:nth-child(even) td:last-child { border-right: 1px solid var(--border); }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table .k {
  color: var(--ink-3);
  width: auto;
}
.spec-table .v {
  color: var(--ink);
  font-weight: 600;
  font-family: var(--font-mono);
}
.spec-table tr:hover td { background: var(--gold-soft); }

/* 相关产品 */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.detail-notfound {
  text-align: center;
  padding: 4rem 0;
}
.detail-notfound h2 { margin-bottom: 1rem; }

@media (max-width: 1080px) {
  .detail-top { grid-template-columns: 1fr; gap: 2rem; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .related-grid { grid-template-columns: 1fr; }
  .spec-table td { display: block; width: 100%; border-right: none !important; }
  .page-hero { padding: 120px 0 2rem; }
}

/* ============ 产品中心 · 大气排版 ============ */
.products-grid-spacious {
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
}
.products-grid-spacious .product-card-img { height: 300px; }
.products-grid-spacious .product-card-body { padding: 2.2rem 2rem 2.4rem; }
.products-grid-spacious .product-card-body .model { font-size: 0.85rem; margin-bottom: 0.55rem; }
.products-grid-spacious .product-card-body h3 { font-size: 1.45rem; margin-bottom: 0.7rem; }
.products-grid-spacious .product-card-body p { font-size: 0.95rem; line-height: 1.75; }
.products-grid-spacious .product-card-specs {
  margin-top: 1.3rem;
  padding-top: 1.3rem;
  gap: 1.6rem;
}
.products-grid-spacious .product-card-specs .spec b { font-size: 1.15rem; }
.products-grid-spacious .product-card-specs .spec span { font-size: 0.78rem; }
.products-grid-spacious .product-card-more { margin-top: 1.4rem; font-size: 0.92rem; }
@media (max-width: 1080px) {
  .products-grid-spacious { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .products-grid-spacious { grid-template-columns: 1fr; gap: 1.8rem; }
  .products-grid-spacious .product-card-img { height: 240px; }
}

/* ============================================================
   P3 内容页样式（技术 / 行业 / 关于 / 新闻 / 联系）
   ============================================================ */

/* ---- 技术优势 · 原理区 ---- */
.principle-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}
.principle-text p { color: var(--ink-2, #5a6072); line-height: 1.9; margin-bottom: 1rem; }
.principle-points { margin-top: 1.6rem; display: grid; gap: 1.1rem; }
.principle-point { display: flex; gap: 0.9rem; align-items: flex-start; }
.principle-point-dot {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--gold, #b8893d), var(--gold-2, #e6c98a));
  color: #fff; font-weight: 700; font-size: 0.95rem;
  box-shadow: 0 4px 12px rgba(184, 137, 61, 0.3);
}
.principle-point strong { display: block; margin-bottom: 0.25rem; font-size: 1.02rem; }
.principle-point span { color: var(--ink-2, #5a6072); font-size: 0.9rem; line-height: 1.7; }
.principle-visual { position: relative; }
.principle-visual img {
  width: 100%; border-radius: var(--radius-lg, 18px);
  box-shadow: var(--shadow-lg, 0 24px 60px rgba(20, 26, 46, 0.14));
  display: block;
}

/* ---- 技术优势 · 对比表 ---- */
.vs-table { width: 100%; border-collapse: separate; border-spacing: 0; margin-top: 2.5rem; border-radius: var(--radius-lg, 18px); overflow: hidden; box-shadow: var(--shadow-md, 0 12px 40px rgba(20, 26, 46, 0.1)); }
.vs-table th, .vs-table td { padding: 1.1rem 1.5rem; text-align: left; font-size: 0.95rem; }
.vs-table thead th { background: var(--bg-dark, #12172a); color: #fff; font-weight: 600; letter-spacing: 0.03em; }
.vs-table thead th:nth-child(2) { color: var(--gold-2, #e6c98a); }
.vs-table tbody tr { background: #fff; }
.vs-table tbody tr:nth-child(even) { background: var(--bg-soft, #f7f8fb); }
.vs-table tbody td { border-top: 1px solid rgba(20, 26, 46, 0.06); }
.vs-table td.k { font-weight: 600; white-space: nowrap; }
.vs-table td.dry { color: var(--gold, #b8893d); font-weight: 600; }
.vs-table td.wet { color: var(--ink-2, #5a6072); }

/* ---- 应用行业页 · 大卡 ---- */
.industry-grid-page {
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
}
.industry-grid-page .industry-card { height: 300px; }
.industry-grid-page .industry-card img { height: 100%; }
.industry-desc {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 0.9rem 1.3rem;
  color: rgba(255, 255, 255, 0.82); font-size: 0.82rem; line-height: 1.55;
  opacity: 0; transform: translateY(8px); transition: all 0.35s ease;
}
.industry-card:hover .industry-desc { opacity: 1; transform: translateY(0); }
@media (max-width: 1080px) { .industry-grid-page { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .industry-grid-page { grid-template-columns: 1fr; gap: 1.6rem; }
  .industry-grid-page .industry-card { height: 240px; }
}

/* ---- 首页产品矩阵 · 立体环形舞台（浅色版） ---- */
.product-carousel {
  position: relative;
  height: 470px;
  margin-top: 2rem;
  perspective: 1600px;
  perspective-origin: 50% 42%;
  overflow: hidden;
  cursor: grab;
  touch-action: pan-y;
}
.product-carousel:active { cursor: grabbing; }
.product-carousel::before {
  content: "";
  position: absolute; left: 50%; bottom: 18px;
  width: 84%; height: 76px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(184, 137, 61, 0.13), transparent 70%);
  pointer-events: none;
}
.product-carousel-ring {
  position: absolute; inset: 0;
  transform-style: preserve-3d;
  will-change: transform;
}
.prod-c3d {
  position: absolute;
  left: 50%; top: 10%;
  width: 240px;
  transform-style: preserve-3d;
  transition: opacity 0.12s linear, filter 0.12s linear;
  cursor: pointer;
}
.prod-c3d-inner {
  background: #fff;
  border-radius: var(--radius-lg, 18px);
  overflow: hidden;
  border: 1px solid rgba(20, 26, 46, 0.05);
  box-shadow: 0 18px 48px rgba(20, 26, 46, 0.13);
  transition: box-shadow 0.3s ease;
}
.prod-c3d:hover .prod-c3d-inner { box-shadow: 0 26px 60px rgba(184, 137, 61, 0.22); }
.prod-c3d-img {
  position: relative;
  height: 172px;
  background: linear-gradient(160deg, #f7f8fb, #eef1f6);
}
.prod-c3d-img img {
  width: 100%; height: 100%; object-fit: contain; display: block;
  padding: 0.6rem;
  user-select: none;
  -webkit-user-drag: none;
}
.prod-c3d-body { padding: 1.15rem 1.3rem 1.35rem; }
.prod-c3d-body .model {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem; letter-spacing: 0.12em;
  color: var(--gold, #b8893d); font-weight: 600;
}
.prod-c3d-body h3 { font-size: 1.12rem; margin-top: 0.3rem; }
.prod-c3d-body p {
  margin-top: 0.5rem; font-size: 0.83rem; line-height: 1.6;
  color: var(--ink-2, #5a6072);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-carousel-hint {
  position: absolute; left: 50%; bottom: 10px;
  transform: translateX(-50%);
  color: rgba(20, 26, 46, 0.32);
  font-size: 0.76rem; letter-spacing: 0.1em;
  white-space: nowrap;
  pointer-events: none;
}
/* 背景超大 TZL 描边水印 */
.product-carousel::after {
  content: "TZL";
  position: absolute; left: 50%; top: 42%;
  transform: translate(-50%, -50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(160px, 24vw, 300px);
  font-weight: 800; letter-spacing: 0.12em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(184, 137, 61, 0.1);
  pointer-events: none;
  z-index: 0;
}
/* 两侧竖排装饰文字 + 渐隐金线 */
.carousel-deco {
  position: absolute; top: 44%;
  transform: translateY(-50%);
  display: flex; align-items: center; gap: 16px;
  pointer-events: none;
  z-index: 5;
}
.deco-left { left: 34px; }
.deco-right { right: 34px; }
.carousel-deco .deco-line {
  width: 1px; height: 170px;
  background: linear-gradient(180deg, transparent, rgba(184, 137, 61, 0.55), transparent);
}
.carousel-deco .deco-text {
  writing-mode: vertical-rl;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem; letter-spacing: 0.5em;
  color: rgba(184, 137, 61, 0.6);
  white-space: nowrap;
}
@media (max-width: 1100px) {
  .carousel-deco { display: none; }
}
@media (max-width: 760px) {
  .product-carousel { height: 400px; perspective: 1200px; }
  .prod-c3d { top: 8%; }
  .prod-c3d-body h3 { font-size: 1rem; }
  .prod-c3d-body p { font-size: 0.76rem; }
}

/* ---- 关于我们 ---- */
.about-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem;
  margin-top: 3rem;
  perspective: 1400px;
}
.about-stat {
  position: relative;
  background: #fff; border-radius: var(--radius-lg, 18px);
  padding: 2.1rem 1.4rem 1.9rem; text-align: center;
  box-shadow: var(--shadow-md, 0 12px 40px rgba(20, 26, 46, 0.08));
  transform-style: preserve-3d;
  transition: transform 0.18s ease-out, box-shadow 0.35s ease;
  will-change: transform;
  overflow: hidden;
}
/* 右上角金色光晕点缀 */
.about-stat::before {
  content: "";
  position: absolute; top: -42px; right: -42px;
  width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 201, 138, 0.24), transparent 70%);
  opacity: 0.7;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
  pointer-events: none;
}
.about-stat:hover::before { transform: scale(1.5); opacity: 1; }
/* 光泽随鼠标扫过 */
.about-stat::after {
  content: "";
  position: absolute; top: 0; left: var(--mx, -45%);
  width: 45%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(230, 201, 138, 0.2), transparent);
  transform: skewX(-18deg);
  opacity: 0; transition: opacity 0.3s ease;
  pointer-events: none; z-index: 2;
}
.about-stat:hover::after { opacity: 1; }
/* 图标徽章 */
.about-stat .stat-icon {
  width: 58px; height: 58px; border-radius: 16px;
  margin: 0 auto 1.1rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.55rem; line-height: 1;
  background: linear-gradient(140deg, #fff8ec, #ffedcc);
  border: 1px solid rgba(184, 137, 61, 0.28);
  box-shadow: 0 10px 22px rgba(184, 137, 61, 0.2);
  transform: translateZ(36px);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.about-stat:hover .stat-icon { transform: translateZ(46px) scale(1.08); }
/* 数字：加大加粗 + 金色渐变 */
.about-stat b {
  display: block; font-size: 3.6rem; font-weight: 800; line-height: 1;
  letter-spacing: -0.01em;
  background: linear-gradient(120deg, var(--gold, #b8893d), var(--gold-2, #e6c98a));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  transform: translateZ(26px);
  filter: drop-shadow(0 6px 14px rgba(184, 137, 61, 0.22));
}
.about-stat .stat-label {
  display: block; margin-top: 0.8rem;
  color: var(--ink-2, #5a6072); font-size: 0.95rem; font-weight: 500;
  transform: translateZ(14px);
}
/* 金色短杠：悬停展开 */
.about-stat .stat-bar {
  width: 32px; height: 3px; border-radius: 2px;
  margin: 1rem auto 0;
  background: linear-gradient(90deg, var(--gold, #b8893d), var(--gold-2, #e6c98a));
  transform: translateZ(10px);
  transition: width 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.about-stat:hover .stat-bar { width: 68px; }
.about-stat:hover { box-shadow: 0 28px 64px rgba(20, 26, 46, 0.15); }
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3.5rem; align-items: center; }
.about-visual img { width: 100%; border-radius: var(--radius-lg, 18px); box-shadow: var(--shadow-lg, 0 24px 60px rgba(20, 26, 46, 0.14)); display: block; }
.about-visual { position: relative; }
.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.culture-card {
  background: #fff; border-radius: var(--radius-lg, 18px); padding: 2rem 1.6rem;
  box-shadow: var(--shadow-md, 0 12px 40px rgba(20, 26, 46, 0.08));
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.culture-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg, 0 24px 60px rgba(20, 26, 46, 0.14)); }
.culture-card-icon {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(184, 137, 61, 0.14), rgba(230, 201, 138, 0.22));
  font-size: 1.5rem; margin-bottom: 1.2rem;
}
.culture-card h3 { font-size: 1.1rem; margin-bottom: 0.55rem; }
.culture-card p { color: var(--ink-2, #5a6072); font-size: 0.88rem; line-height: 1.7; }
.cert-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem;
  perspective: 1400px;
}
.cert-card {
  position: relative;
  background: #fff; border-radius: var(--radius-lg, 18px); padding: 1.9rem 1.6rem;
  box-shadow: var(--shadow-md, 0 12px 40px rgba(20, 26, 46, 0.08));
  border-top: 3px solid var(--gold, #b8893d);
  transform-style: preserve-3d;
  transition: transform 0.18s ease-out, box-shadow 0.35s ease, border-color 0.35s ease;
  will-change: transform;
  overflow: hidden;
  cursor: default;
}
/* 金色光泽扫过（跟随鼠标） */
.cert-card::before {
  content: "";
  position: absolute; top: 0; left: var(--mx, -45%);
  width: 45%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(230, 201, 138, 0.22), transparent);
  transform: skewX(-18deg);
  opacity: 0; transition: opacity 0.3s ease;
  pointer-events: none; z-index: 2;
}
.cert-card:hover::before { opacity: 1; }
/* 右上角水印序号（立体感） */
.cert-card::after {
  content: attr(data-idx);
  position: absolute; right: 1rem; top: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.6rem; font-weight: 700;
  color: rgba(184, 137, 61, 0.08);
  transform: translateZ(6px);
  pointer-events: none;
  transition: color 0.35s ease;
}
.cert-card:hover::after { color: rgba(184, 137, 61, 0.16); }
.cert-card .cert-tag {
  display: inline-block; padding: 0.25rem 0.7rem; border-radius: 999px;
  background: linear-gradient(120deg, rgba(184, 137, 61, 0.12), rgba(230, 201, 138, 0.18));
  color: var(--gold, #b8893d); font-size: 0.75rem; font-weight: 600; margin-bottom: 0.9rem;
  transform: translateZ(30px);
}
.cert-card h3 { font-size: 1rem; line-height: 1.5; transform: translateZ(18px); }
.cert-card .cert-no {
  margin-top: 0.8rem; color: var(--ink-3, #9aa0af);
  font-size: 0.8rem; font-family: 'JetBrains Mono', monospace;
  transform: translateZ(12px);
}
/* 结尾「持续积累」行：金色呼吸 + 动态省略号 */
.cert-more {
  margin-top: 2.6rem; text-align: center;
  display: flex; align-items: center; justify-content: center; gap: 0.7rem;
  color: var(--ink-2, #5a6072); font-size: 0.95rem; font-weight: 500;
  letter-spacing: 0.04em;
}
.cert-more-dot {
  position: relative; width: 10px; height: 10px; border-radius: 50%;
  background: var(--gold, #b8893d); flex: none;
  animation: morePulse 2s ease-out infinite;
}
@keyframes morePulse {
  0% { box-shadow: 0 0 0 0 rgba(184, 137, 61, 0.45); }
  70% { box-shadow: 0 0 0 12px rgba(184, 137, 61, 0); }
  100% { box-shadow: 0 0 0 0 rgba(184, 137, 61, 0); }
}
.cert-more .ellipsis::after {
  content: "…";
  display: inline-block; overflow: hidden; vertical-align: bottom;
  animation: moreDots 1.8s steps(4, end) infinite;
  width: 0;
}
@keyframes moreDots {
  0% { width: 0; }
  50% { width: 1.35em; }
  100% { width: 0; }
}
@media (max-width: 1080px) {
  .principle-grid, .about-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .culture-grid, .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .culture-grid, .cert-grid, .about-stats { grid-template-columns: 1fr; }
}

/* ---- 新闻资讯 ---- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.2rem; }
.news-card {
  background: #fff; border-radius: var(--radius-lg, 18px); overflow: hidden;
  box-shadow: var(--shadow-md, 0 12px 40px rgba(20, 26, 46, 0.08));
  transition: transform 0.3s ease, box-shadow 0.3s ease; cursor: pointer;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg, 0 24px 60px rgba(20, 26, 46, 0.14)); }
.news-card-cover {
  height: 190px; position: relative; overflow: hidden;
  background: linear-gradient(150deg, #f2f0ea, #e8e2d4);
  display: flex; align-items: center; justify-content: center;
}
.news-card-cover span { font-size: 3rem; opacity: 0.85; }
.news-card-cover .news-cat {
  position: absolute; top: 1rem; left: 1rem;
  padding: 0.25rem 0.8rem; border-radius: 999px;
  background: rgba(18, 23, 42, 0.72); color: #fff; font-size: 0.75rem; backdrop-filter: blur(6px);
}
.news-card-body { padding: 1.6rem 1.6rem 1.8rem; }
.news-card-date { color: var(--ink-3, #9aa0af); font-size: 0.8rem; margin-bottom: 0.6rem; }
.news-card-body h3 { font-size: 1.08rem; line-height: 1.55; margin-bottom: 0.7rem; }
.news-card-body p { color: var(--ink-2, #5a6072); font-size: 0.88rem; line-height: 1.75; }
.news-card-more { display: inline-block; margin-top: 1.1rem; color: var(--gold, #b8893d); font-size: 0.88rem; font-weight: 600; }
.news-card.hide { display: none; }
@media (max-width: 1080px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .news-grid { grid-template-columns: 1fr; gap: 1.6rem; } }

/* ---- 联系我们 ---- */
.contact-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 3rem; align-items: stretch; }
.contact-form-card {
  background: #fff; border-radius: var(--radius-lg, 18px);
  padding: 2.6rem; box-shadow: var(--shadow-lg, 0 24px 60px rgba(20, 26, 46, 0.12));
}
.contact-form-card h3 { font-size: 1.35rem; margin-bottom: 1.6rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-bottom: 1.2rem; }
.form-field { display: flex; flex-direction: column; gap: 0.45rem; }
.form-field label { font-size: 0.85rem; font-weight: 600; color: var(--ink, #1a1f2e); }
.form-field label em { color: var(--gold, #b8893d); font-style: normal; }
.form-field input, .form-field textarea, .form-field select {
  border: 1.5px solid rgba(20, 26, 46, 0.12); border-radius: 12px;
  padding: 0.85rem 1rem; font-size: 0.95rem; font-family: inherit;
  background: var(--bg-soft, #f7f8fb); transition: border-color 0.25s ease, box-shadow 0.25s ease;
  color: var(--ink, #1a1f2e);
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  outline: none; border-color: var(--gold, #b8893d);
  box-shadow: 0 0 0 4px rgba(184, 137, 61, 0.12);
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-msg { margin-top: 1rem; font-size: 0.9rem; display: none; padding: 0.9rem 1.2rem; border-radius: 12px; }
.form-msg.ok { display: block; background: rgba(46, 155, 100, 0.1); color: #1f7a4d; }
.form-msg.err { display: block; background: rgba(200, 70, 60, 0.1); color: #b0433a; }
.contact-info-col { display: flex; flex-direction: column; gap: 1.4rem; }
.contact-info-card {
  background: var(--bg-dark, #12172a); color: #fff;
  border-radius: var(--radius-lg, 18px); padding: 1.9rem 2rem; flex: 1;
}
.contact-info-card h4 {
  font-size: 0.82rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold-2, #e6c98a); margin-bottom: 0.8rem;
}
.contact-info-card p { line-height: 1.8; font-size: 0.95rem; color: rgba(255, 255, 255, 0.88); }
.contact-info-card a { color: #fff; text-decoration: none; font-size: 1.25rem; font-weight: 700; display: block; margin-bottom: 0.3rem; }
.contact-wechat-row { display: flex; gap: 1.4rem; align-items: center; }
.contact-qr {
  flex: none; width: 92px; height: 92px; border-radius: 14px;
  background: repeating-linear-gradient(0deg, #fff 0 6px, #12172a 6px 12px), repeating-linear-gradient(90deg, #fff 0 6px, #12172a 6px 12px);
  background-blend-mode: multiply; opacity: 0.9;
}
@media (max-width: 1080px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ---- 应用行业 · Bento 编辑式排版（杂志感） ---- */
.industry-showcase {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2rem;
}
.showcase-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(20, 26, 46, 0.07);
  box-shadow: 0 10px 34px rgba(20, 26, 46, 0.06);
  position: relative;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}
/* 顶部金色细线，hover 时展开 */
.showcase-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gold-gradient, linear-gradient(90deg, #b8893d, #e6c98a));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 2;
}
.showcase-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 64px rgba(20, 26, 46, 0.14);
  border-color: rgba(184, 137, 61, 0.35);
}
.showcase-card:hover::before { transform: scaleX(1); }
.showcase-media {
  position: relative; overflow: hidden;
  height: 210px; flex: none;
  background: linear-gradient(150deg, #eef1f6, #e3e8f0);
}
/* 宽卡（跨3列）图片更大更有冲击力 */
.showcase-card[style*="span 3"] .showcase-media { height: 280px; }
.showcase-media img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.showcase-card:hover .showcase-media img { transform: scale(1.06); }
.showcase-body {
  padding: 1.6rem 1.8rem 1.9rem;
  display: flex; flex-direction: column; gap: 0.55rem;
  position: relative; flex: 1;
}
.showcase-num {
  position: absolute; top: 1rem; right: 1.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.1rem; font-weight: 300; line-height: 1;
  color: rgba(184, 137, 61, 0.16);
  transition: color 0.4s ease;
  pointer-events: none;
}
.showcase-card:hover .showcase-num { color: rgba(184, 137, 61, 0.45); }
.showcase-name {
  font-size: 1.22rem; font-weight: 700; line-height: 1.4;
  padding-right: 3rem;
}
.showcase-desc {
  color: var(--ink-2, #5a6072); font-size: 0.9rem; line-height: 1.75;
}
/* 底部 CTA 卡（深色） */
.showcase-card-cta {
  background: linear-gradient(155deg, var(--navy, #12172a) 0%, #1a2138 100%);
  border: 1px solid rgba(201, 162, 92, 0.3);
  justify-content: center;
}
.showcase-card-cta::before { transform: scaleX(1); }
.showcase-cta-inner {
  padding: 2.2rem 2rem; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 0.9rem;
}
.showcase-cta-num {
  font-family: 'Playfair Display', serif;
  font-size: 3.2rem; font-weight: 700; line-height: 1;
  background: var(--gold-gradient, linear-gradient(90deg, #b8893d, #e6c98a));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.showcase-cta-title { color: #fff; font-size: 1.2rem; }
.showcase-cta-desc { color: rgba(255, 255, 255, 0.72); font-size: 0.88rem; line-height: 1.7; }
.showcase-card-cta:hover { transform: translateY(-8px); }

/* 页面小节标题（编辑式分隔） */
.industry-divider {
  display: flex; align-items: center; gap: 1.4rem;
  margin: 4.5rem 0 2.4rem;
}
.industry-divider:first-child { margin-top: 0; }
.industry-divider .line { flex: 1; height: 1px; background: linear-gradient(90deg, transparent, rgba(20,26,46,0.14), transparent); }
.industry-divider span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-3, #9aa0af); white-space: nowrap;
}

@media (max-width: 1080px) {
  .industry-showcase { grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
  .showcase-card[style*="span 3"] .showcase-media { height: 240px; }
  .showcase-media { height: 200px; }
}
@media (max-width: 680px) {
  .industry-showcase { grid-template-columns: 1fr; gap: 1.4rem; }
  .showcase-media, .showcase-card[style*="span 3"] .showcase-media { height: 220px; }
  .showcase-body { padding: 1.4rem 1.5rem 1.6rem; }
}

/* ---- 关于我们 · 第三方权威认证（深色荣誉展厅 · 画框装裱） ---- */
.certwall-section {
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(201,162,92,0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-dark, #12172a) 0%, #0e1222 100%);
  position: relative;
  overflow: hidden;
}
/* 展厅射灯氛围 */
.certwall-section::before {
  content: "";
  position: absolute; top: -120px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 380px;
  background: radial-gradient(ellipse at center, rgba(230,201,138,0.10), transparent 70%);
  pointer-events: none;
}
.certwall-section .section-label { color: var(--gold-2, #e6c98a); }
.certwall-section h2 { color: #fff; }
.certwall-section .section-subtitle { color: rgba(255,255,255,0.55); }
/* 收紧板块上下间距 */
.certwall-section { padding-top: 4.5rem; padding-bottom: 4.5rem; }

/* 统计徽章行 */
.certwall-badges {
  display: flex; justify-content: center; gap: 1.2rem; flex-wrap: wrap;
  margin-top: 2rem;
}
.certwall-badge {
  display: flex; align-items: baseline; gap: 0.55rem;
  padding: 0.65rem 1.4rem; border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(230,201,138,0.25);
  backdrop-filter: blur(6px);
}
.certwall-badge b {
  font-family: 'Playfair Display', serif;
  font-size: 1.35rem; font-weight: 700;
  background: var(--gold-gradient, linear-gradient(90deg, #b8893d, #e6c98a));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.certwall-badge i { font-style: normal; color: rgba(255,255,255,0.65); font-size: 0.82rem; letter-spacing: 0.05em; }

/* ---- 立体环形舞台轮播 ---- */
.cert-carousel {
  position: relative;
  height: 360px;
  margin-top: 1.6rem;
  perspective: 1400px;
  perspective-origin: 50% 42%;
  overflow: hidden;
  cursor: grab;
  touch-action: pan-y;
}
.cert-carousel:active { cursor: grabbing; }
.cert-carousel::before {
  /* 地面光晕，增强舞台纵深感 */
  content: "";
  position: absolute; left: 50%; bottom: 20px;
  width: 64%; height: 70px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(230,201,138,0.13), transparent 70%);
  pointer-events: none;
}
.cert-carousel-ring {
  position: absolute; inset: 0;
  transform-style: preserve-3d;
  will-change: transform;
}
.cert-c3d {
  position: absolute;
  left: 50%; top: 22%;
  width: 175px;
  transform-style: preserve-3d;
  transition: opacity 0.12s linear, filter 0.12s linear;
}
.cert-c3d-frame {
  position: relative;
  border-radius: 5px;
  padding: 4px;
  background: linear-gradient(140deg, #c9a25c 0%, #e6c98a 30%, #9a7a3f 65%, #d4b476 100%);
  box-shadow:
    0 12px 30px rgba(0,0,0,0.55),
    0 3px 10px rgba(0,0,0,0.4),
    inset 0 0 0 1px rgba(255,255,255,0.18);
}
.cert-c3d-frame::before {
  content: "";
  position: absolute; inset: 4px;
  border-radius: 2px;
  box-shadow: inset 0 0 0 3px #f5f2ea;
  pointer-events: none;
  z-index: 1;
}
.cert-c3d-frame img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: contain; display: block;
  border-radius: 1px;
  background: #f5f2ea;
  user-select: none;
  -webkit-user-drag: none;
}
.cert-c3d-name {
  margin-top: 0.5rem; font-size: 0.72rem; font-weight: 600;
  color: rgba(255,255,255,0.9); text-align: center;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cert-carousel-hint {
  position: absolute; left: 50%; bottom: 10px;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.35);
  font-size: 0.74rem; letter-spacing: 0.1em;
  white-space: nowrap;
  pointer-events: none;
}
@media (max-width: 760px) {
  .cert-carousel { height: 280px; perspective: 1100px; }
  .cert-c3d { top: 28%; }
  .cert-c3d-name { font-size: 0.62rem; }
}
.certwall-note {
  margin-top: 1.5rem; text-align: center;
  color: rgba(255,255,255,0.35);
  font-size: 0.8rem; letter-spacing: 0.05em;
}

/* ---- 证书灯箱 ---- */
.cert-lightbox {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(10, 13, 24, 0.88);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s ease;
  cursor: zoom-out;
}
.cert-lightbox.show { opacity: 1; }
.cert-lightbox-inner {
  max-width: min(92vw, 1100px); max-height: 88vh;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.cert-lightbox-inner img {
  max-width: 100%; max-height: 78vh;
  border-radius: 12px;
  box-shadow: 0 30px 90px rgba(0,0,0,0.5);
  background: #fff;
}
.cert-lightbox-inner p { color: rgba(255,255,255,0.9); font-size: 0.95rem; }
.cert-lightbox-close {
  position: absolute; top: 1.4rem; right: 1.8rem;
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.1); color: #fff;
  font-size: 1.5rem; line-height: 1; cursor: pointer;
  transition: background 0.25s ease;
}
.cert-lightbox-close:hover { background: rgba(255,255,255,0.22); }

/* ============ 首页轮播图（后台管理，多张自动轮播） ============ */
.hero-slide { display: none; }
.hero-slide.active { display: contents; } /* 让轮播页直接成为 hero-inner 网格的子项，布局与原版一致 */
.hero-dots {
  position: absolute; right: 2.2rem; bottom: 2rem;
  display: flex; flex-direction: column; gap: 9px; z-index: 6;
}
.hero-dot {
  width: 8px; height: 8px; padding: 0;
  border-radius: 50%; border: 1px solid rgba(184, 137, 61, 0.55);
  background: transparent; cursor: pointer; transition: all 0.25s ease;
}
.hero-dot.active {
  background: linear-gradient(135deg, var(--gold, #b8893d), var(--gold-light, #d4af6e));
  box-shadow: 0 0 0 4px rgba(184, 137, 61, 0.14);
}
@media (max-width: 760px) {
  .hero-dots { right: 1rem; bottom: 4.2rem; flex-direction: row; }
}

/* ============ 文章配图（封面 + 正文图片块） ============ */
.article-cover { margin-top: 1.8rem; }
.article-cover img {
  width: 100%; max-height: 430px; object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 18px 44px rgba(20, 26, 46, 0.12);
}
.article-img { margin: 2rem 0; }
.article-img img {
  width: 100%; border-radius: 14px; display: block;
  box-shadow: 0 14px 36px rgba(20, 26, 46, 0.1);
}
.article-img figcaption {
  text-align: center; font-size: 0.8rem; color: var(--ink-2, #5a6072);
  margin-top: 0.65rem; letter-spacing: 0.02em;
}

/* 资讯列表卡封面图 */
.news-card-cover.cover-img { padding: 0; }
.news-card-cover.cover-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}