/* =========================================================
   飞尔戈站点 — 统一样式（单一事实来源）
   主题：深海蓝 + 沙金 · 专业稳重 B2B 大企业风
   所有页面共用本文件，禁止在各页面内写 <style>。
   ========================================================= */

/* ---------- 内联 SVG 图标基样式 ---------- */
.ic {
  width: 1em;
  height: 1em;
  display: inline-block;
  vertical-align: -0.125em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
.ic-solid { fill: currentColor; stroke: none; }
svg { max-width: 100%; }

/* ---------- 设计令牌：深海蓝 + 沙金 ---------- */
:root {
  --primary: #1e3a5f;          /* 深海蓝 - 主色、标题、深底 */
  --primary-light: #2d4f7a;    /* 深海蓝浅 - hover */
  --primary-dark: #152a45;     /* 深海蓝深 - 按下/深底 */
  --accent: #c9a96e;           /* 沙金 - 主点缀、品质感 */
  --accent-light: #d9bc82;     /* 沙金浅 */
  --accent-dark: #b09258;      /* 沙金深 */
  --accent-soft: rgba(201,169,110,.12);

  --nav-h: 120px;
  --maxw: 1200px;
  --radius: 8px;
  --radius-sm: 6px;
  --gap: 32px;

  --bg: #ffffff;               /* 纯白 - 页面背景 */
  --surface: #ffffff;          /* 纯白 - 卡片表面 */
  --surface-2: #f5f6f8;        /* 浅灰 - 区块背景 */
  --text: #1a1a1a;             /* 深炭灰 - 主文字 */
  --text-muted: #666;          /* 中灰 - 次要文字 */
  --text-light: #999;          /* 浅灰 - 占位符等 */
  --heading: #1e3a5f;          /* 深海蓝 - 标题色 */
  --border: #e8eaed;           /* 浅灰 - 边框 */
  --border-strong: #dadce0;    /* 深一点的边框 */

  --footer-bg: #15253d;        /* 深蓝灰 - 页脚背景 */
  --footer-bg-2: #0f1c30;      /* 深蓝灰更深 */
  --footer-text: #e8e6dc;      /* 暖白 - 页脚文字 */
  --footer-muted: #9aa3b2;     /* 灰蓝 - 页脚次要文字 */
  --footer-border: rgba(255,255,255,.08);

  --shadow: 0 1px 3px rgba(30,58,95,.06), 0 1px 2px rgba(30,58,95,.04);
  --shadow-hover: 0 4px 16px rgba(30,58,95,.10), 0 2px 6px rgba(30,58,95,.06);
  --shadow-card: 0 2px 8px rgba(30,58,95,.06);
  --shadow-btn: 0 2px 8px rgba(30,58,95,.15);
  --shadow-btn-hover: 0 4px 14px rgba(30,58,95,.22);
  --ring: 0 0 0 3px rgba(30,58,95,.15);

  --ease: cubic-bezier(.4,0,.2,1);
  --transition: .25s var(--ease);

  /* 字号阶梯 */
  --text-xs: 13px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 32px;
  --text-4xl: 48px;
  --text-5xl: 64px;

  /* 间距阶梯 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* 圆角阶梯 */
  --radius-lg: 16px;

  /* 设计系统增强变量（合并自原第二处 :root，避免级联覆盖） */
  --maxw-narrow: 880px;
  --section-y: 100px;
  --surface-3: #fafbfc;
  --gold-line: linear-gradient(90deg, var(--accent), var(--accent-light));
  --gold-soft: rgba(201,169,110,.14);
  --shadow-lg: 0 22px 54px rgba(30,58,95,.12), 0 8px 20px rgba(30,58,95,.06);
  --ring-gold: 0 0 0 3px rgba(201,169,110,.35);
  --ease-out: cubic-bezier(.16,.84,.44,1);

  /* 渐变背景 — 纯白+浅灰干净商务风 */
  --bg-gradient-main: #ffffff;
  --bg-gradient-soft: linear-gradient(180deg, rgba(30,58,95,.02) 0%, transparent 30%),
                       linear-gradient(135deg, #fafbfc 0%, #f5f6f8 50%, #fafbfc 100%);
  --bg-gradient-section: linear-gradient(135deg, #ffffff 0%, #fafbfc 40%, #ffffff 100%);
  --surface-gradient: linear-gradient(145deg, #ffffff 0%, #fafbfc 50%, #f5f6f8 100%);
  --surface-2-gradient: linear-gradient(135deg, #f7f8fa 0%, #f2f4f7 50%, #f7f8fa 100%);
  --footer-gradient: #15253d;
}

/* ---------- 重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
a, button { -webkit-tap-highlight-color: transparent; }
body {
  background: var(--bg-gradient-main);
  background-attachment: fixed;
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, .title h2, .cta-title, .card-title, .product-title {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  font-weight: 600;
  color: var(--heading);
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; }

/* ---------- 布局工具 ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
  position: relative;
}
@media (min-width: 768px)  { .container { max-width: 750px; } }
@media (min-width: 992px)  { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1200px; } }
@media (min-width: 1500px) { .container { max-width: 1400px; } }
@media (min-width: 1600px) { .container { max-width: 1500px; } }
section { padding: 100px 0; }

/* ---------- 按钮体系：稳重克制 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px;
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .2px;
  cursor: pointer;
  position: relative;
  transition: background var(--transition), border-color var(--transition), transform .15s var(--ease), box-shadow var(--transition);
}
.btn:hover { background: var(--primary-light); border-color: var(--primary-light); box-shadow: var(--shadow-btn); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--shadow-btn), var(--ring); }

.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); border-color: var(--primary-light); }

.btn-gold { background: var(--accent); border-color: var(--accent); color: var(--primary-dark); }
.btn-gold:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: var(--primary-dark); box-shadow: 0 4px 14px rgba(201,169,110,.3); }

.btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-outline:focus-visible { outline: none; box-shadow: var(--ring); }

.btn-ghost { background: transparent; border-color: transparent; color: var(--primary); }
.btn-ghost:hover { background: var(--accent-soft); color: var(--primary); }

/* ---------- 标题体系 ---------- */
.title { text-align: center; margin-bottom: 56px; }
.title h2 {
  font-size: clamp(24px, 3.4vw, 32px);
  color: var(--heading);
  margin-bottom: 14px;
  font-weight: 700;
  letter-spacing: -.3px;
  position: relative;
  display: inline-block;
}
.title h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  margin: 16px auto 0;
  border-radius: 2px;
  background: var(--accent);
}
.title p { color: var(--text-muted); max-width: 640px; margin: 0 auto; font-size: 16px; line-height: 1.8; }

.card {
  background: var(--surface-gradient);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
  border: 1px solid var(--border);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}

/* ---------- 顶部导航 ---------- */
header {
  position: fixed; top: 0; left: 0; width: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.25), transparent);
  z-index: 9999; height: var(--nav-h);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom-color: rgba(0,0,0,0.06);
  box-shadow: 0 4px 30px rgba(0,0,0,0.08);
}

.nav { display: flex; justify-content: space-between; align-items: center; height: 100%; gap: 24px; }

.logo-group { display: flex; align-items: center; text-decoration: none; }
.logo-main { position: relative; display: block; width: 220px; height: 40px; }
.logo-main img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; transition: all .35s cubic-bezier(.22,1,.36,1); }
.logo-dark { opacity: 0; pointer-events: none; }
header.scrolled .logo-white { opacity: 0; }
header.scrolled .logo-dark { opacity: 1; }

.nav-menu { display: flex; flex: 1; justify-content: space-around; align-items: center; padding: 0 16px; }
.nav-menu > li { position: relative; flex: 1; text-align: center; }
.nav-menu a { color: rgba(255,255,255,0.92); font-weight: 500; font-size: 20px; transition: color var(--transition); padding: 8px 0; display: inline-block; }
.nav-menu a:hover, .nav-menu a.active { color: var(--accent); }
header.scrolled .nav-menu a { color: var(--heading); }
header.scrolled .nav-menu a:hover, header.scrolled .nav-menu a.active { color: var(--accent); }
.nav-menu a.active::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--accent); border-radius: 2px; }

.nav-actions { display: flex; align-items: center; gap: 14px; flex: none; }
.nav-phone { display: inline-flex; align-items: center; gap: 8px; font-size: 22px; font-weight: 700; color: var(--accent); text-decoration: none; transition: color var(--transition); }
.nav-phone:hover { color: var(--accent-light); }
header.scrolled .nav-phone { color: var(--accent); }
header.scrolled .nav-phone:hover { color: var(--accent-light); }

.mobile-btn { display: none; font-size: 22px; cursor: pointer; color: #fff; flex: none; transition: color var(--transition); }
header.scrolled .mobile-btn { color: var(--heading); }

/* 全屏下拉 */
.fullscreen-dropdown {
  position: fixed; top: var(--nav-h); left: 0; right: 0; width: 100vw;
  opacity: 0; visibility: hidden; overflow: hidden;
  background: var(--surface); z-index: 9998; padding: 0; max-height: 0;
  box-shadow: 0 5px 15px rgba(0,0,0,.1);
  transition: opacity .3s ease, visibility .3s ease, max-height .4s ease, padding .4s ease;
  border-bottom: 1px solid var(--border);
}
.fullscreen-dropdown.open { opacity: 1; visibility: visible; max-height: 800px; padding: 20px 0; }
.dropdown-content { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.dropdown-column h3 { font-size: 22px; color: var(--primary); margin-bottom: 10px; padding-bottom: 10px; border-bottom: 2px solid var(--border); }
.dropdown-column ul { display: flex; flex-direction: column; gap: 6px; }
.dropdown-column li a { font-size: 17px; color: var(--text-muted); display: flex; align-items: center; gap: 8px; transition: all .2s; }
.dropdown-column li a:hover { color: var(--primary); padding-left: 5px; }
.dropdown-column li a .ic { font-size: 12px; color: var(--primary); opacity: 0; transition: all .2s; }
.dropdown-column li a:hover .ic { opacity: 1; padding-left: 3px; }
.dropdown-img-wrapper { grid-column: span 4; margin-top: 10px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.dropdown-img-item { border-radius: var(--radius-sm); overflow: hidden; transition: transform .3s ease; }
.dropdown-img-item:hover { transform: translateY(-5px); }
.dropdown-img-item img { width: 100%; height: 200px; object-fit: cover; }
.dropdown-img-item p { padding: 15px; font-size: 18px; color: var(--heading); text-align: center; background: var(--surface); }

@media (max-width: 1024px) {
  .nav-menu { gap: 22px; }
  .nav-menu a { font-size: 15px; }
}
@media (max-width: 768px) {
  /* 移动端 LOGO 高度继承容器 40px（不放大） */
  .nav-phone { font-size: 15px; }
  .nav-menu { flex: none; justify-content: flex-start; padding: 0; }
  .nav-menu > li { flex: none; text-align: center; }
}

main { margin-top: var(--nav-h); }

/* ---------- 首页 HERO — 参考工厂风格 ---------- */
.hero-carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  margin-top: calc(-1 * var(--nav-h));
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-carousel__track {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  transition: transform .7s cubic-bezier(.22,.61,.36,1);
  z-index: 1;
}

.hero-carousel__slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-carousel__track:hover .hero-carousel__slide {
  transform: scale(1.02);
}

/* 右侧深蓝色渐变遮罩 — 参考图片风格 */
.hero-carousel__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, transparent 0%, rgba(30,58,95,.82) 55%, rgba(21,42,69,.90) 80%, rgba(15,28,48,.97) 100%);
  z-index: 2;
}

/* 内容区域 - 右侧对齐 */
.hero-carousel__content {
  position: relative;
  z-index: 3;
  max-width: 1100px;
  padding: 50px 100px 50px 100px;
  margin: 0 auto;
  text-align: center;
  animation: heroSlideIn 1s cubic-bezier(.22,.61,.36,1) backwards;
}
@keyframes heroSlideIn {
  from { opacity: 0; transform: translateX(60px); }
  to { opacity: 1; transform: translateX(0); }
}

.hero-carousel__content h1 {
  font-size: clamp(44px, 7vw, 72px);
  font-weight: 700;
  letter-spacing: -.5px;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #fff;
}

.hero-carousel__subtitle {
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.5;
  color: rgba(255,255,255,.88);
  margin-bottom: 40px;
}

/* 标签组 */
.hero-carousel__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-carousel__tag {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 25px;
  font-size: 17px;
  font-weight: 500;
  color: #fff;
  transition: all .3s ease;
}
.hero-carousel__tag:hover {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.35);
  transform: translateY(-2px);
}

/* 主按钮 - 品牌深海蓝圆角 */
.btn-hero-primary {
  background: linear-gradient(135deg, rgba(30,58,95,.95), rgba(21,42,69,.95));
  border: 1px solid rgba(201,169,110,.4);
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  padding: 16px 44px;
  border-radius: 25px;
  transition: all .3s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 6px 20px rgba(30,58,95,.4);
}
.btn-hero-primary:hover {
  background: linear-gradient(135deg, #1e3a5f, #152a45);
  border-color: rgba(201,169,110,.7);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(30,58,95,.5);
}
.btn-hero-primary:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(30,58,95,.4);
}

/* 轮播控制按钮 */
.hero-carousel__prev,
.hero-carousel__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .35s cubic-bezier(.4,0,.2,1);
}
.hero-carousel__prev:hover,
.hero-carousel__next:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.35);
  transform: translateY(-50%) scale(1.1);
}
.hero-carousel__prev { left: 24px; }
.hero-carousel__next { right: 24px; }
.hero-carousel__prev svg,
.hero-carousel__next svg {
  width: 22px;
  height: 22px;
  stroke-width: 2;
}

/* 轮播指示器 */
.hero-carousel__dots {
  position: absolute;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 12px;
}
.hero-carousel__dot {
  width: 12px;
  height: 12px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,.35);
  cursor: pointer;
  transition: all .4s cubic-bezier(.4,0,.2,1);
}
.hero-carousel__dot:hover {
  background: rgba(255,255,255,.65);
  transform: scale(1.2);
}
.hero-carousel__dot[aria-current="true"] {
  background: #fff;
  width: 32px;
  border-radius: 6px;
}

/* 响应式 */
@media (max-width: 900px) {
  .hero-carousel__content {
    max-width: 700px;
    margin: 0 30px;
    padding: 30px;
  }
}

@media (max-width: 768px) {
  .hero-carousel__content {
    margin: 0 20px;
    padding: 32px;
    max-width: 100%;
    text-align: center;
  }
  .hero-carousel__content h1 { font-size: clamp(32px, 9vw, 52px); }
  .hero-carousel__subtitle { font-size: 18px; margin-bottom: 28px; }
  .hero-carousel__tags { justify-content: center; gap: 12px; margin-bottom: 32px; }
  .hero-carousel__tag { padding: 10px 20px; font-size: 15px; }
  .btn-hero-primary { padding: 14px 32px; font-size: 15px; }
  .hero-carousel__prev, .hero-carousel__next { width: 44px; height: 44px; }
  .hero-carousel__prev { left: 12px; }
  .hero-carousel__next { right: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-carousel__content { animation: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ---------- 首页板块 ---------- */
/* 移除遗留卡片内缩样式（margin/bg/border），改全宽，由 bg-soft 控制交替浅底，统一区块节奏 */

/* 首页「关于我们」：香槟金细线建筑轮廓底纹（按参考图描摹，0.18 可见度） */
.about {
  position: relative;
  overflow: hidden;
}
.about::before,
.about::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(220px, 24vw, 320px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.18;
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: contain;
}
.about::before {
  left: clamp(-50px, -4vw, -16px);
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%20300%20700'%20fill%3D'none'%20stroke%3D'%23c9b48a'%20stroke-width%3D'0.85'%20stroke-linecap%3D'round'%20stroke-linejoin%3D'round'%3E%3Cline%20x1%3D'0'%20y1%3D'690'%20x2%3D'300'%20y2%3D'690'%20opacity%3D'0.85'%2F%3E%3Cpath%20d%3D'M38%20690%20L38%20325%20L78%20325%20L78%20690'%20opacity%3D'0.9'%2F%3E%3Cpath%20d%3D'M260%20655%20L260%20295%20L300%20295%20L300%20655'%20opacity%3D'0.55'%2F%3E%3Cpath%20d%3D'M78%20325%20L260%20295%20L260%20655%20L78%20690%20Z'%20opacity%3D'0.8'%2F%3E%3Cpath%20d%3D'M38%20325%20L78%20325%20L260%20295%20L300%20295'%20opacity%3D'0.75'%2F%3E%3Cpath%20d%3D'M78%20335%20L260%20305'%20opacity%3D'0.6'%2F%3E%3Cline%20x1%3D'78.0'%20y1%3D'325.0'%20x2%3D'78.0'%20y2%3D'690.0'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'104.0'%20y1%3D'320.7'%20x2%3D'104.0'%20y2%3D'685.0'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'130.0'%20y1%3D'316.4'%20x2%3D'130.0'%20y2%3D'680.0'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'156.0'%20y1%3D'312.1'%20x2%3D'156.0'%20y2%3D'675.0'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'182.0'%20y1%3D'307.9'%20x2%3D'182.0'%20y2%3D'670.0'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'208.0'%20y1%3D'303.6'%20x2%3D'208.0'%20y2%3D'665.0'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'234.0'%20y1%3D'299.3'%20x2%3D'234.0'%20y2%3D'660.0'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'260.0'%20y1%3D'295.0'%20x2%3D'260.0'%20y2%3D'655.0'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'38'%20y1%3D'385'%20x2%3D'78'%20y2%3D'385'%20opacity%3D'0.55'%2F%3E%3Cline%20x1%3D'78'%20y1%3D'385'%20x2%3D'260'%20y2%3D'355'%20opacity%3D'0.5'%2F%3E%3Cline%20x1%3D'38'%20y1%3D'460'%20x2%3D'78'%20y2%3D'460'%20opacity%3D'0.55'%2F%3E%3Cline%20x1%3D'78'%20y1%3D'460'%20x2%3D'260'%20y2%3D'430'%20opacity%3D'0.5'%2F%3E%3Cline%20x1%3D'38'%20y1%3D'540'%20x2%3D'78'%20y2%3D'540'%20opacity%3D'0.55'%2F%3E%3Cline%20x1%3D'78'%20y1%3D'540'%20x2%3D'260'%20y2%3D'510'%20opacity%3D'0.5'%2F%3E%3Cpath%20d%3D'M44%20690%20L44%20565%20L72%20565%20L72%20690'%20opacity%3D'0.8'%2F%3E%3Cline%20x1%3D'58'%20y1%3D'565'%20x2%3D'58'%20y2%3D'690'%20opacity%3D'0.5'%2F%3E%3Cline%20x1%3D'44'%20y1%3D'585'%20x2%3D'72'%20y2%3D'585'%20opacity%3D'0.4'%2F%3E%3Cline%20x1%3D'44'%20y1%3D'610'%20x2%3D'72'%20y2%3D'610'%20opacity%3D'0.4'%2F%3E%3Cline%20x1%3D'44'%20y1%3D'635'%20x2%3D'72'%20y2%3D'635'%20opacity%3D'0.4'%2F%3E%3Cline%20x1%3D'44'%20y1%3D'660'%20x2%3D'72'%20y2%3D'660'%20opacity%3D'0.4'%2F%3E%3Crect%20x%3D'46'%20y%3D'600'%20width%3D'52'%20height%3D'16'%20opacity%3D'0.45'%2F%3E%3Cline%20x1%3D'72'%20y1%3D'608'%20x2%3D'110'%20y2%3D'608'%20opacity%3D'0.35'%2F%3E%3Cline%20x1%3D'60'%20y1%3D'690'%20x2%3D'160'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3Cline%20x1%3D'96'%20y1%3D'690'%20x2%3D'160'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3Cline%20x1%3D'132'%20y1%3D'690'%20x2%3D'160'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3Cline%20x1%3D'168'%20y1%3D'690'%20x2%3D'160'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3Cline%20x1%3D'204'%20y1%3D'690'%20x2%3D'160'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3Cline%20x1%3D'240'%20y1%3D'690'%20x2%3D'160'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3C%2Fsvg%3E");
}
.about::after {
  right: clamp(-50px, -4vw, -16px);
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%20300%20700'%20fill%3D'none'%20stroke%3D'%23c9b48a'%20stroke-width%3D'0.85'%20stroke-linecap%3D'round'%20stroke-linejoin%3D'round'%3E%3Cline%20x1%3D'0'%20y1%3D'690'%20x2%3D'300'%20y2%3D'690'%20opacity%3D'0.85'%2F%3E%3Cpath%20d%3D'M222%20690%20L222%20175%20L262%20175%20L262%20690'%20opacity%3D'0.9'%2F%3E%3Cpath%20d%3D'M40%20655%20L40%20230%20L80%20230%20L80%20655'%20opacity%3D'0.55'%2F%3E%3Cpath%20d%3D'M80%20230%20L222%20175%20L222%20690%20L80%20655%20Z'%20opacity%3D'0.8'%2F%3E%3Cpath%20d%3D'M40%20230%20L80%20230%20L222%20175%20L262%20175'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'80.0'%20y1%3D'230.0'%20x2%3D'80.0'%20y2%3D'655.0'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'103.7'%20y1%3D'220.8'%20x2%3D'103.7'%20y2%3D'660.8'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'127.3'%20y1%3D'211.7'%20x2%3D'127.3'%20y2%3D'666.7'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'151.0'%20y1%3D'202.5'%20x2%3D'151.0'%20y2%3D'672.5'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'174.7'%20y1%3D'193.3'%20x2%3D'174.7'%20y2%3D'678.3'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'198.3'%20y1%3D'184.2'%20x2%3D'198.3'%20y2%3D'684.2'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'222.0'%20y1%3D'175.0'%20x2%3D'222.0'%20y2%3D'690.0'%20opacity%3D'0.75'%2F%3E%3Cline%20x1%3D'222'%20y1%3D'270'%20x2%3D'262'%20y2%3D'270'%20opacity%3D'0.55'%2F%3E%3Cline%20x1%3D'80'%20y1%3D'300'%20x2%3D'222'%20y2%3D'270'%20opacity%3D'0.5'%2F%3E%3Cline%20x1%3D'222'%20y1%3D'365'%20x2%3D'262'%20y2%3D'365'%20opacity%3D'0.55'%2F%3E%3Cline%20x1%3D'80'%20y1%3D'395'%20x2%3D'222'%20y2%3D'365'%20opacity%3D'0.5'%2F%3E%3Cline%20x1%3D'222'%20y1%3D'460'%20x2%3D'262'%20y2%3D'460'%20opacity%3D'0.55'%2F%3E%3Cline%20x1%3D'80'%20y1%3D'490'%20x2%3D'222'%20y2%3D'460'%20opacity%3D'0.5'%2F%3E%3Cline%20x1%3D'222'%20y1%3D'555'%20x2%3D'262'%20y2%3D'555'%20opacity%3D'0.55'%2F%3E%3Cline%20x1%3D'80'%20y1%3D'585'%20x2%3D'222'%20y2%3D'555'%20opacity%3D'0.5'%2F%3E%3Crect%20x%3D'228'%20y%3D'270'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Crect%20x%3D'240'%20y%3D'270'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Crect%20x%3D'252'%20y%3D'270'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Crect%20x%3D'228'%20y%3D'365'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Crect%20x%3D'240'%20y%3D'365'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Crect%20x%3D'252'%20y%3D'365'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Crect%20x%3D'228'%20y%3D'460'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Crect%20x%3D'240'%20y%3D'460'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Crect%20x%3D'252'%20y%3D'460'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Crect%20x%3D'228'%20y%3D'555'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Crect%20x%3D'240'%20y%3D'555'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Crect%20x%3D'252'%20y%3D'555'%20width%3D'10'%20height%3D'22'%20opacity%3D'0.35'%2F%3E%3Cpath%20d%3D'M220%20690%20L220%20590%20L264%20590%20L264%20690'%20opacity%3D'0.8'%2F%3E%3Crect%20x%3D'218'%20y%3D'580'%20width%3D'48'%20height%3D'10'%20opacity%3D'0.55'%2F%3E%3Cline%20x1%3D'242'%20y1%3D'590'%20x2%3D'242'%20y2%3D'690'%20opacity%3D'0.5'%2F%3E%3Cline%20x1%3D'60'%20y1%3D'690'%20x2%3D'140'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3Cline%20x1%3D'96'%20y1%3D'690'%20x2%3D'140'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3Cline%20x1%3D'132'%20y1%3D'690'%20x2%3D'140'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3Cline%20x1%3D'168'%20y1%3D'690'%20x2%3D'140'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3Cline%20x1%3D'204'%20y1%3D'690'%20x2%3D'140'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3Cline%20x1%3D'240'%20y1%3D'690'%20x2%3D'140'%20y2%3D'520'%20opacity%3D'0.18'%2F%3E%3C%2Fsvg%3E");
}
.about .container { position: relative; z-index: 1; }

/* 移动端隐藏装饰性 SVG，避免挤占正文空间 */
@media (max-width: 768px) {
  .about::before, .about::after { display: none; }
}




.about-row { display:flex; align-items:center; gap:48px; flex-wrap:wrap; margin-bottom:72px; }
.about-row:last-child { margin-bottom: 0; }
.about-row.reverse { flex-direction:row-reverse; }
.about-img { flex:1; min-width:300px; position:relative; }
.about-img img { width:100%; height:auto; display:block; border-radius:var(--radius); object-fit:cover; }
/* 首页「关于我们」：还原 redesign 卡片（圆角+阴影），作用域锁定 .about，不连坐 about.html */
.about .about-img { border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-card); }
.about-img-badge { position: absolute; bottom: 16px; right: 16px; display: flex; align-items: center; gap: 8px; padding: 8px 16px; background: rgba(30,58,95,0.95); color: #fff; border-radius: 4px; font-size: 14px; font-weight: 600; }
.about-img-badge .ic { width: 16px; height: 16px; }
.about-text { flex: 1; min-width: 300px; }
.about-text h3 { font-size: 28px; line-height: 1.3; margin-bottom: 14px; color: var(--heading); font-weight: 700; }
.about-subtitle { font-size: 22px; font-weight: 600; color: var(--text-muted); margin-bottom: 28px !important; }
.about-text p { color: var(--text-muted); line-height: 1.9; margin-bottom: 18px; font-size: 18px; }

.about-tabs { display: flex; gap: 10px; margin-top: 28px; }
.about-tab { padding: 14px 28px; font-size: 17px; font-weight: 600; border: none; border-radius: 4px; cursor: pointer; transition: all .3s ease; background: rgba(0,0,0,.06); color: var(--text-muted); }
.about-tab:hover { background: rgba(0,0,0,.1); }
.about-tab.active { background: var(--primary); color: #fff; }

.about-tab-content { min-height: 220px; }
.about-tab-panel { display: none; }
.about-tab-panel.active { display: block; animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* 企业愿景 */
.about-vision {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
  padding-top: 0;
}
.about-vision__item {
  text-align: center;
  padding: 36px 28px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(201,169,110,.18);
  transition: transform var(--transition), box-shadow var(--transition);
}
.about-vision__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.about-vision__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  background: linear-gradient(135deg, rgba(30,58,95,.08), rgba(201,169,110,.12));
  border: 1px solid rgba(201,169,110,.3);
  border-radius: 50%;
}
.about-vision__icon .ic { width: 30px; height: 30px; color: var(--accent-dark); }
.about-vision__item h4 {
  font-size: 26px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 14px;
  letter-spacing: .02em;
}
.about-vision__item p {
  font-size: 20px;
  color: var(--text-muted);
  line-height: 1.9;
}
@media (max-width: 768px) {
  .about-vision { grid-template-columns: 1fr; gap: 18px; padding-top: 36px; }
  .about-vision__item { padding: 28px 22px; }
  .about-vision__item h4 { font-size: 22px; }
  .about-vision__item p { font-size: 17px; }
}
.about-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--border); }
.feature-card { text-align: center; padding: 28px 20px; background: var(--surface-2); border-radius: var(--radius-lg); transition: transform var(--transition); }
.feature-card:hover { transform: translateY(-4px); }
.feature-icon { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; background: rgba(30,58,95,0.08); border-radius: 50%; }
.feature-icon .ic { width: 28px; height: 28px; color: var(--primary); }
.feature-card h4 { font-size: 17px; color: var(--heading); margin-bottom: 10px; font-weight: 600; }
.feature-card p { font-size: 16px; color: var(--text-muted); line-height: 1.7; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--gap); padding: 0 24px; }
.product-card { position: relative; background: var(--surface-gradient); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); border: 1px solid var(--border); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
.product-badge-group { position: absolute; top: 16px; left: 16px; z-index: 3; display: flex; gap: 8px; }
.product-badge { padding: 4px 10px; border-radius: 4px; font-size: 12px; font-weight: 600; letter-spacing: .3px; }
.product-badge.badge-hot { background: var(--primary); color: #fff; }
.product-badge.badge-new { background: var(--accent); color: var(--primary-dark); }
.product-img { width: 100%; height: 200px; object-fit: cover; transition: transform .5s var(--ease); }
.product-card:hover .product-img { transform: scale(1.05); }
.product-info { padding: 24px; }
.product-category { display: inline-block; padding: 3px 10px; background: var(--accent-soft); color: var(--accent-dark); font-size: 13px; font-weight: 500; border-radius: 4px; margin-bottom: 12px; }
.product-info h3 { font-size: 18px; margin-bottom: 10px; color: var(--heading); font-weight: 600; }
.product-info p { color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; font-size: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-meta { display: flex; gap: 16px; margin-bottom: 18px; }
.meta-item { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; color: var(--text-muted); }
.meta-item .ic { opacity: .7; }

.services { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--gap); padding: 0 24px; }
.service-card { padding: 28px; background: var(--surface-gradient); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); text-align: center; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); border: 1px solid var(--border); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
.service-card .ic { font-size: 36px; color: var(--primary); margin-bottom: 16px; }
.service-card h3 { font-size: 17px; margin-bottom: 12px; font-weight: 600; }
.service-card p { color: var(--text-muted); font-size: 16px; line-height: 1.6; }

.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--gap); padding: 0 24px; }
.team-card { background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; text-align: center; box-shadow: var(--shadow-card); transition: transform .35s cubic-bezier(.22,.61,.36,1), box-shadow .35s cubic-bezier(.22,.61,.36,1), border-color .35s ease; border: 1px solid var(--border); }
.team-card:hover { transform: translateY(-8px); box-shadow: 0 12px 32px rgba(30,58,95,.12), 0 4px 12px rgba(30,58,95,.08); }
.team-card img { width: 100%; height: 280px; object-fit: cover; }
.team-info { padding: 20px; }
.team-info h3 { font-size: 17px; color: var(--heading); font-weight: 600; }
.team-info .position { color: var(--primary); font-size: 14px; margin: 6px 0; font-weight: 500; }
.team-info .desc { font-size: 14px; color: var(--text-muted); }

/* ---------- 联系我们 Hero ---------- */
.contact-hero {
  position: relative;
  width: 100%;
  height: 480px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--nav-h);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(21,37,61,.92), rgba(21,37,61,.68) 50%, rgba(21,37,61,.4));
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 24px;
}
.hero-content h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}
.hero-content p {
  font-size: clamp(16px, 2vw, 20px);
  margin-bottom: 32px;
  color: rgba(255,255,255,.9);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- 联系我们主体 ---------- */
.contact-section {
  padding: 64px 0;
  background: var(--bg);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  padding: 0 24px;
}
.contact-info-panel h2 {
  font-size: 28px;
  color: var(--heading);
  margin-bottom: 32px;
  font-weight: 700;
  position: relative;
  display: inline-block;
}
.contact-info-panel h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  margin: 16px 0 0;
  border-radius: 2px;
  background: var(--accent);
}
.info-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.info-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border);
  transition: transform var(--transition);
}
.info-card:hover {
  transform: translateY(-4px);
}
.info-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30,58,95,0.08);
  border-radius: 50%;
  margin-bottom: 16px;
}
.info-icon .ic {
  width: 28px;
  height: 28px;
  color: var(--primary);
}
.info-card h3 {
  font-size: 17px;
  color: var(--heading);
  margin-bottom: 8px;
  font-weight: 600;
}
.info-card p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 6px;
  line-height: 1.5;
}
.info-card p a {
  color: var(--primary);
  text-decoration: none;
}
.info-card p a:hover {
  text-decoration: underline;
}
.info-hint {
  font-size: 12px;
  color: var(--text-light);
}

.service-area {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
}
.service-area h3 {
  font-size: 18px;
  color: var(--heading);
  margin-bottom: 16px;
  font-weight: 600;
}
.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.service-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
}
.service-list li .ic.check {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex: none;
}

/* ---------- 联系表单 ---------- */
.contact-form {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}
.contact-form h2 {
  font-size: 28px;
  color: var(--heading);
  margin-bottom: 8px;
  font-weight: 700;
  position: relative;
}
.contact-form h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  margin: 16px 0 0;
  border-radius: 2px;
  background: var(--accent);
}
.form-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
}
.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 6px;
}
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  background: var(--surface);
  color: var(--text);
  transition: border-color .2s, background .2s;
  font-family: inherit;
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--surface);
}
.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}
.contact-form select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b6b6b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.contact-form button {
  width: 100%;
  margin-top: 8px;
}
.form-status {
  margin-top: 16px;
  font-size: 14px;
  min-height: 20px;
  text-align: center;
}
.form-status.success {
  color: #10b981;
}
.form-status.error {
  color: #ef4444;
}
.form-privacy {
  font-size: 12px;
  color: var(--text-light);
  text-align: center;
  margin-top: 12px;
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .info-cards {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  .service-list {
    grid-template-columns: 1fr;
  }
  .contact-form {
    padding: 28px;
  }
  .contact-hero {
    height: 400px;
  }
}

.contact-bg-section {
  position: relative;
  padding: 80px 0;
  background: var(--bg);
}
.contact-bg-section .container {
  position: relative;
  z-index: 2;
}

/* ---------- 页脚 ---------- */
footer { background: var(--footer-gradient); color: var(--footer-text); padding: 84px 0 36px; margin-top: 0; border-top: 1px solid rgba(255,255,255,.1); transition: background var(--transition); }

/* ---------- CTA 区 ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dec-cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(to right, var(--primary-dark), var(--primary), var(--primary-dark));
  pointer-events: none;
}
.dec-cta-noise {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: .04;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.dec-cta-beam {
  position: absolute;
  top: 0;
  left: 33.333%;
  width: 400px;
  height: 100%;
  z-index: 1;
  background: linear-gradient(rgba(255,255,255,.06), transparent);
  transform: skewX(-12deg);
  pointer-events: none;
}
.cta-body {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.cta-title {
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  letter-spacing: .3px;
  margin: 0 0 20px;
}
.cta-sub {
  font-size: 18px;
  color: rgba(201,169,110,.85);
  line-height: 1.8;
  margin: 0 auto 36px;
  max-width: 640px;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* 关于我们页 CTA：严格对齐线上 feiergo.com/about.html
   浅灰底 #f7f8fa / py-20(80px) / max-w 1900px / 标题 30px 近黑 / 双按钮(金底深蓝字 + 灰描边) / 圆角12px / gap16px */
.cta-light {
  background: #f7f8fa;
  min-height: 480px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.cta-light .cta-light-inner {
  width: 100%;
  max-width: 1900px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta-light .cta-title {
  color: var(--text);
  font-size: 50px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 36px;
}
.cta-light .cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.cta-light a.cta-primary {
  padding: 16px 32px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  color: var(--primary-dark);
  border: 2px solid transparent;
  border-radius: 8px;
  font-size: 17px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(201,169,110,.28);
}
.cta-light a.cta-primary:hover {
  background: linear-gradient(90deg, var(--accent-light), var(--accent));
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(201,169,110,.38);
}
.cta-light a.cta-primary:active {
  transform: translateY(1px);
  box-shadow: 0 4px 12px rgba(201,169,110,.28);
}
.cta-light a.cta-primary:focus-visible {
  outline: 3px solid var(--primary-dark);
  outline-offset: 3px;
}
.cta-light a.cta-outline {
  padding: 16px 32px;
  background: transparent;
  color: #374151;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  font-size: 19px;
  font-weight: 600;
}
.cta-light a.cta-outline:hover {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent-dark);
}
.cta-light a.cta-outline:active {
  transform: translateY(1px);
}
.cta-light a.cta-outline:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* 产品中心页 CTA：对齐线上 feiergo.com/products.html 的"品牌承诺"区块
   白底 / py-28(112px) / max-w 768px 居中 / 眉标+标题+金色分隔线+描述+双按钮(金底深蓝字 + 灰描边) */
.cta-promise {
  background: #fff;
  min-height: 745px;
  padding: 80px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.cta-promise .cta-promise-inner {
  width: 100%;
  max-width: 1050px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta-promise .cta-eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 22px;
}
.cta-promise .cta-title {
  font-size: clamp(44px, 5vw, 56px);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.01em;
  line-height: 1.3;
  margin: 0 0 26px;
}
.cta-promise .cta-rule {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 32px;
}
.cta-promise .cta-desc {
  font-size: 19px;
  color: #6b7280;
  line-height: 1.9;
  margin: 0 0 56px;
}
.cta-promise .cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.cta-promise a.cta-primary {
  padding: 16px 32px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  color: var(--primary-dark);
  border: 2px solid transparent;
  border-radius: 8px;
  font-size: 17px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(201,169,110,.28);
}
.cta-promise a.cta-primary:hover {
  background: linear-gradient(90deg, var(--accent-light), var(--accent));
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(201,169,110,.38);
}
.cta-promise a.cta-primary:active {
  transform: translateY(1px);
  box-shadow: 0 4px 12px rgba(201,169,110,.28);
}
.cta-promise a.cta-primary:focus-visible {
  outline: 3px solid var(--primary-dark);
  outline-offset: 3px;
}
.cta-promise a.cta-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: transparent;
  color: #374151;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  font-size: 19px;
  font-weight: 600;
}
.cta-promise a.cta-outline:hover {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent-dark);
}
.cta-promise a.cta-outline:active {
  transform: translateY(1px);
}
.cta-promise a.cta-outline:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* 服务页面 CTA：对齐线上 feiergo.com/service.html
   高度 415px / 深海蓝+沙金渐变 / 居中 / 标题 22px 白 / 双按钮(白底深蓝字 + 沙金描边) */
.cta-amber {
  position: relative;
  overflow: hidden;
  min-height: 415px;
  padding: 64px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-dark) 100%);
  text-align: center;
}
.cta-amber::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(201,169,110,.10), transparent 50%, rgba(201,169,110,.10));
  pointer-events: none;
}
.cta-amber .dec-cta-noise {
  position: absolute;
  inset: 0;
  opacity: .04;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.cta-amber .cta-body {
  position: relative;
  z-index: 2;
  max-width: 1900px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta-amber .cta-title {
  font-size: 56px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin: 0 0 40px;
  letter-spacing: .5px;
}
.cta-amber .cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.cta-amber a.cta-primary {
  padding: 16px 32px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  color: var(--primary-dark);
  border: 2px solid transparent;
  border-radius: 8px;
  font-size: 17px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(201,169,110,.28);
}
.cta-amber a.cta-primary:hover {
  background: linear-gradient(90deg, var(--accent-light), var(--accent));
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(201,169,110,.38);
}
.cta-amber a.cta-primary:active {
  transform: translateY(1px);
  box-shadow: 0 4px 12px rgba(201,169,110,.28);
}
.cta-amber a.cta-primary:focus-visible {
  outline: 3px solid var(--primary-dark);
  outline-offset: 3px;
}
.cta-amber a.cta-outline {
  padding: 16px 32px;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(8px);
  color: #fff;
  border: 2px solid var(--accent);
  border-radius: 8px;
  font-size: 17px;
  font-weight: 600;
}
.cta-amber a.cta-outline:hover {
  background: rgba(201,169,110,.18);
  border-color: var(--accent-light);
}
.cta-amber a.cta-outline:active {
  transform: translateY(1px);
}
.cta-amber a.cta-outline:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

a.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--primary-dark);
  border: 2px solid #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 30px;
  border-radius: 12px;
  text-decoration: none;
  cursor: pointer;
  transition: background .22s ease, transform .15s ease, box-shadow .22s ease, border-color .22s ease;
  box-shadow: 0 8px 18px rgba(30,58,95,.30);
}
a.cta-primary:hover {
  background: #eef1f5;
  border-color: #eef1f5;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(30,58,95,.38);
}
a.cta-primary:active {
  transform: translateY(1px);
  box-shadow: 0 4px 12px rgba(30,58,95,.30);
}
a.cta-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-dark), 0 0 0 6px #fff;
}
a.cta-primary .ic {
  width: 20px; height: 20px;
  transition: transform .2s ease;
}
a.cta-primary:hover .ic {
  transform: translateX(2px);
}

a.cta-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.65);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 30px;
  border-radius: 12px;
  text-decoration: none;
  cursor: pointer;
  transition: background .22s ease, border-color .22s ease, transform .15s ease;
}
a.cta-outline:hover {
  background: rgba(255,255,255,.16);
  border-color: #fff;
  transform: translateY(-2px);
}
a.cta-outline:active {
  transform: translateY(1px);
  background: rgba(255,255,255,.10);
}
a.cta-outline:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-dark), 0 0 0 6px #fff;
}
.copyright-bar { border-top: 1px solid rgba(255,255,255,.1); }
.footer-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 52px; margin-bottom: 60px; }
.footer-col h3 { font-size: 20px; margin-bottom: 30px; position: relative; padding-bottom: 12px; color: #fff; }
.footer-col h3::after { content: ''; position: absolute; left: 0; bottom: 0; width: 40px; height: 2px; background: var(--accent); }
.footer-col p, .footer-col ul li a { font-size: 17px; color: var(--footer-text); transition: var(--transition); }
.footer-col ul li { margin-bottom: 16px; }
.footer-col ul li a { display: inline-flex; align-items: center; gap: 8px; }
.footer-col ul li.footer-static { display: inline-flex; align-items: center; gap: 8px; font-size: 17px; color: var(--footer-text); }
.footer-col ul li a:hover { color: var(--accent); padding-left: 8px; }
.copyright { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding-top: 32px; color: var(--footer-muted); font-size: 17px; }
.copyright p { margin: 0; }
.copyright a { color: var(--footer-muted); }
.copyright a:hover { color: var(--accent); }
@media (max-width: 768px) {
  .copyright { flex-direction: column; text-align: center; gap: 10px; }
}

/* 页脚 LOGO（深底用白色版 logo-white.png，5:1 原图显示 220×44） */
.footer-logo { display: block; width: 220px; height: 44px; max-width: 100%; object-fit: contain; margin-bottom: 24px; }

/* ---------- 内页通用 ---------- */
.page-banner { margin-top: calc(-1 * var(--nav-h)); height: 500px; background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; color: #fff; position: relative; }
.page-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(21,37,61,.98) 0%, rgba(30,58,95,.94) 100%); }
.page-banner .inner { position: relative; z-index: 2; text-align: center; padding: 0 20px; }
.page-banner .inner h1 { font-size: clamp(30px, 5vw, 50px); margin-bottom: 18px; font-weight: 700; color: #fff; }
.page-banner .inner p { font-size: 18px; max-width: 680px; text-shadow: 0 2px 8px rgba(0,0,0,.4); color: #fff; margin-bottom: 28px; }
.crumb { background: var(--surface); padding: 15px 0; font-size: 13.5px; color: var(--accent); border-bottom: 1px solid var(--border); letter-spacing: .3px; }
.crumb a { color: var(--text-muted); transition: color .2s; }
.crumb a:hover { color: var(--primary); }
.crumb span { color: var(--primary); font-weight: 600; }

/* 产品中心 */
.product-section { padding: 80px 0 28px; }
.cat-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-card); transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.cat-box:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
.cat-box .ic { font-size: 32px; color: var(--primary); margin-bottom: 14px; }
.cat-box h2 { font-size: 19px; margin-bottom: 10px; color: var(--heading); font-weight: 600; }
.cat-box p { color: var(--text-muted); font-size: 16px; line-height: 1.7; }
.cat-box a { color: var(--primary); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 15px; }
/* 修复：产品卡里的 .btn 按钮被 .cat-box a 的蓝字覆盖导致蓝字蓝底不可见，强制白字 */
.cat-box a.btn { color: #fff; }

/* 产品详情 */
.product-detail { padding: 50px 0; }
.product-card-wrap { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 30px; border: 1px solid var(--border); }
.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.product-gallery { position: relative; }
.product-main-img { width: 100%; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border); cursor: zoom-in; }
.product-main-img img { width: 100%; height: 420px; object-fit: cover; }
.product-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.product-thumbs img { width: 76px; height: 76px; object-fit: cover; border-radius: var(--radius-sm); cursor: pointer; border: 2px solid transparent; transition: border-color .2s; }
.product-thumbs img.active, .product-thumbs img:hover { border-color: var(--primary); }
.product-info { padding: 10px 0; }
.product-title { font-size: clamp(22px, 5vw, 28px); color: var(--heading); margin-bottom: 14px; font-weight: 700; }
.product-tag { display: inline-block; background: var(--accent-soft); color: var(--accent-dark); padding: 4px 12px; border-radius: 4px; font-size: 13px; margin-bottom: 14px; font-weight: 500; }
.product-desc { color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; font-size: 16px; }
.product-params { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.param-item { background: var(--surface-2); padding: 12px 14px; border-radius: var(--radius-sm); }
.param-item .k { font-size: 12px; color: var(--text-muted); }
.param-item .v { font-size: 15px; color: var(--heading); font-weight: 600; margin-top: 3px; }
.product-btns { display: flex; gap: 12px; flex-wrap: wrap; }

.card-title { font-size: 20px; color: var(--heading); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; font-weight: 600; }
.card-title .ic { color: var(--primary); font-size: 22px; }
.card ul li { padding: 8px 0; border-bottom: 1px dashed var(--border); color: var(--text); display: flex; align-items: center; gap: 10px; font-size: 15px; }
.card ul li .ic { color: var(--primary); flex: none; }
.card ul li:last-child { border-bottom: none; }

.param-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.param-table th, .param-table td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; font-size: 15px; }
.param-table th { background: var(--surface-2); color: var(--heading); width: 120px; font-weight: 600; }

.adv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.adv-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; transition: transform var(--transition), box-shadow var(--transition); }
.adv-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.adv-item .ic { font-size: 28px; color: var(--primary); margin-bottom: 12px; }
.adv-item h4 { font-size: 16px; margin-bottom: 8px; color: var(--heading); display: flex; align-items: center; gap: 8px; font-weight: 600; }
.adv-item h4 .ic { font-size: 16px; flex: none; }
.adv-item p { color: var(--text-muted); font-size: 16px; line-height: 1.7; }

.scene-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.scene-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 20px; box-shadow: var(--shadow-card); transition: transform var(--transition), box-shadow var(--transition); text-align: center; }
.scene-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.scene-item .ic { font-size: 32px; color: var(--primary); }
.scene-item p { color: var(--heading); font-size: 15px; font-weight: 500; }

/* 图片预览大图遮罩 */
.img-preview { position: fixed; inset: 0; background: rgba(0,0,0,.8); display: none; align-items: center; justify-content: center; z-index: 10000; cursor: zoom-out; padding: 20px; }
.img-preview.show { display: flex; }
.img-preview img { max-width: 92%; max-height: 92%; border-radius: var(--radius); box-shadow: 0 10px 40px rgba(0,0,0,.4); }

.related { padding: 30px 0 60px; }

/* 产品翻页浏览 */
.product-pager { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 32px 0 8px; flex-wrap: wrap; }
.pager-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border: 1px solid var(--primary); background: transparent; color: var(--primary); border-radius: var(--radius-sm); font-size: 14px; font-weight: 500; cursor: pointer; transition: background .2s, color .2s, opacity .2s; font-family: inherit; }
.pager-btn:hover:not(:disabled) { background: var(--primary); color: #fff; }
.pager-btn:disabled { opacity: .4; cursor: not-allowed; }
.pager-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.pager-btn .ic { font-size: 16px; }
.pager-status { font-size: 14px; color: var(--text-muted); min-width: 88px; text-align: center; }


/* 关于我们 */
.about-page { padding: 50px 0; }
.about-intro { background: var(--bg); padding: 100px 0; }

/* 关于我们页：页头标题 + 「企业简介」三栏小标题加大（作用域锁定本页，不波及他页/企业实力版块） */
body[data-page="about"] .page-banner .inner h1 { font-size: clamp(36px, 4.5vw, 46px); margin-bottom: 22px; }
body[data-page="about"] .about-intro .about-text h3 { font-size: 34px; line-height: 1.25; }

/* 隐私政策 / 用户协议 等法律页 */
.legal-page { padding: 50px 0 70px; }
.legal-page .legal-inner { max-width: 860px; margin: 0 auto; }
.legal-page h2 { font-size: 20px; color: var(--heading); margin: 28px 0 12px; font-weight: 700; }
.legal-page h2:first-child { margin-top: 0; }
.legal-page h3 { font-size: 17px; color: var(--heading); margin: 20px 0 8px; font-weight: 600; }
.legal-page p { color: var(--text-muted); line-height: 1.9; margin-bottom: 12px; font-size: 16px; }
.legal-page ul { color: var(--text-muted); line-height: 1.9; margin: 0 0 12px 22px; list-style: disc; }
.legal-page li { margin-bottom: 5px; }
.legal-page .updated { font-size: 13px; color: var(--text-muted); margin-top: 36px; padding-top: 16px; border-top: 1px solid var(--border); }


/* ---------- 全屏视差区 ---------- */
.parallax {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
}
.parallax-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to right, rgba(30,58,95,.72), rgba(30,58,95,.6), rgba(30,58,95,.72));
}
.parallax-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  max-width: 900px;
  padding: 0 24px;
}
.parallax-content .hero-pill { margin-bottom: 22px; }
/* 视差区标签胶囊 */
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(201,169,110,.15);
  border: 1px solid rgba(201,169,110,.4);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--accent-light);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.dot-pulse {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 rgba(201,169,110,.6);
  animation: dotPulse 1.8s infinite;
}
@keyframes dotPulse {
  0% { box-shadow: 0 0 0 0 rgba(201,169,110,.7); }
  70% { box-shadow: 0 0 0 10px rgba(201,169,110,0); }
  100% { box-shadow: 0 0 0 0 rgba(201,169,110,0); }
}
.parallax-content h2 {
  color: #fff;
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.5px;
  margin: 0 0 18px;
  text-shadow: 0 2px 18px rgba(0,0,0,.45);
}
.parallax-content p {
  color: rgba(255,255,255,.86);
  font-size: clamp(15px, 1.6vw, 19px);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto;
  text-shadow: 0 1px 10px rgba(0,0,0,.4);
}
@media (max-width: 768px) {
  .parallax { min-height: 80vh; background-attachment: scroll; }
  .parallax-content .hero-pill { margin-bottom: 16px; }
}

/* 企业实力带 */

.cases { padding: 60px 0; }
.cases-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.case-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); transition: transform .35s cubic-bezier(.22,.61,.36,1), box-shadow .35s cubic-bezier(.22,.61,.36,1), border-color .35s ease; }
.case-card:hover { transform: translateY(-8px); box-shadow: 0 12px 32px rgba(30,58,95,.12), 0 4px 12px rgba(30,58,95,.08); }
.case-img { height: 200px; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.case-card:hover .case-img img { transform: scale(1.05); }
.case-content { padding: 20px; }
.case-client { font-size: 16px; color: var(--heading); margin-bottom: 6px; font-weight: 600; }
.case-desc { color: var(--text-muted); font-size: 16px; line-height: 1.7; margin-bottom: 12px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.case-tag { background: var(--accent-soft); color: var(--accent-dark); padding: 3px 10px; border-radius: 4px; font-size: 12px; font-weight: 500; }

.features { padding: 60px 0; background: var(--surface-2); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.feature-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; display: flex; gap: 14px; align-items: flex-start; transition: transform var(--transition), box-shadow var(--transition); }
.feature-box:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.feature-box .ic { font-size: 28px; color: var(--primary); flex: none; }
.feature-box h4 { font-size: 16px; margin-bottom: 8px; color: var(--heading); font-weight: 600; }
.feature-box p { color: var(--text-muted); font-size: 16px; line-height: 1.7; }

.client { padding: 50px 0; overflow: hidden; }
.client-wrapper { display: flex; gap: 20px; transition: transform .5s ease; }
.client-item { flex: 0 0 auto; width: 180px; height: 80px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-weight: 500; color: var(--text-muted); font-size: 15px; transition: border-color var(--transition), box-shadow var(--transition); }
.client-item:hover { border-color: var(--primary); box-shadow: var(--shadow-card); }

/* 服务项目 */
.factory { padding: 50px 0; }
.factory-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.factory-banner { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.factory-banner img { width: 100%; height: 380px; object-fit: cover; }
.factory-img-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.factory-img-grid img { width: 100%; height: 170px; object-fit: cover; border-radius: var(--radius-sm); }

.quality-box { padding: 50px 0; background: var(--surface-2); }
.quality-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.quality-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; text-align: center; transition: transform var(--transition), box-shadow var(--transition); }
.quality-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.quality-item .ic { font-size: 32px; color: var(--primary); margin-bottom: 12px; }
.quality-item h4 { font-size: 16px; margin-bottom: 8px; color: var(--heading); font-weight: 600; }
.quality-item p { color: var(--text-muted); font-size: 16px; }

.service-detail { padding: 50px 0; }
.service-detail-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.service-detail-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; transition: transform var(--transition), box-shadow var(--transition); }
.service-detail-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.service-detail-card .ic { font-size: 30px; color: var(--primary); margin-bottom: 12px; }
.service-detail-card h3 { font-size: 17px; margin-bottom: 10px; color: var(--heading); font-weight: 600; }
.service-detail-card p { color: var(--text-muted); font-size: 16px; line-height: 1.7; }

.faq-box { padding: 50px 0; max-width: 880px; margin: 0 auto; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); margin-bottom: 14px; overflow: hidden; transition: box-shadow var(--transition); }
.faq-item.open { box-shadow: var(--shadow-card); }
.faq-question { display: flex; align-items: center; gap: 12px; padding: 18px 22px; cursor: pointer; font-size: 15px; font-weight: 500; color: var(--heading); width: 100%; text-align: left; border: none; background: transparent; font-family: inherit; }
.faq-question:focus-visible { outline: none; box-shadow: var(--ring); border-radius: var(--radius-sm); }
.faq-question .ic { color: var(--primary); transition: transform .3s ease; }
.faq-item.open .faq-question .ic { transform: rotate(180deg); }
.faq-answer { padding: 0 22px; max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease; color: var(--text-muted); font-size: 16px; line-height: 1.8; }
.faq-item.open .faq-answer { padding: 0 22px 18px; max-height: 400px; }

/* 团队文化 */
.team-culture { padding: 50px 0; background: var(--surface-2); }

/* ---------- 新闻资讯 ---------- */
.news-section { padding: 80px 0 100px; }
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--gap); padding: 0 24px; }
.news-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; transition: transform var(--transition), box-shadow var(--transition); }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.news-card .thumb { width: 100%; height: 200px; object-fit: cover; }
.news-card .body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.news-card .meta { display: flex; gap: 10px; font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }
.news-card .meta .cat { color: var(--primary); font-weight: 600; }
.news-card h3 { font-size: 17px; color: var(--heading); margin-bottom: 8px; line-height: 1.4; font-weight: 600; }
.news-card p { font-size: 16px; color: var(--text-muted); line-height: 1.7; flex: 1; }
.news-card .more { margin-top: 14px; color: var(--primary); font-weight: 500; font-size: 15px; display: inline-flex; align-items: center; gap: 6px; transition: gap var(--transition); }
.news-card .more:hover { gap: 10px; }

/* 分类筛选 */
.news-filter { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; justify-content: center; }
.filter-btn {
  padding: 8px 20px; border: 1px solid var(--border); background: var(--surface);
  border-radius: 999px; font-size: 14px; font-weight: 500; color: var(--text-muted);
  cursor: pointer; transition: all var(--transition); font-family: inherit;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* 大卡片头条区 */
.news-featured { margin-bottom: 40px; }
.featured-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); }
.featured-img-wrap { position: relative; height: 420px; }
.featured-img { width: 100%; height: 100%; object-fit: cover; }
.featured-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(30,58,95,0.85) 0%, rgba(30,58,95,0.5) 60%, rgba(30,58,95,0.3) 100%); }
.featured-badge { position: absolute; top: 20px; left: 20px; padding: 6px 16px; background: var(--accent); color: var(--primary-dark); font-size: 13px; font-weight: 700; border-radius: 4px; z-index: 2; }
.featured-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 36px; color: #fff; z-index: 2; }
.featured-meta { display: flex; gap: 16px; font-size: 14px; margin-bottom: 14px; opacity: 0.9; }
.featured-date { display: flex; align-items: center; gap: 6px; }
.featured-title { font-size: 32px; line-height: 1.35; font-weight: 700; margin-bottom: 12px; }
.featured-desc { font-size: 16px; line-height: 1.7; opacity: 0.9; margin-bottom: 18px; max-width: 600px; }
.featured-more { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; transition: gap var(--transition); }
.featured-more:hover { gap: 12px; }

/* 双栏瀑布流 */
.news-columns { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-column { display: flex; flex-direction: column; gap: 24px; }
.news-card-v2 { background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; transition: transform var(--transition), box-shadow var(--transition); }
.news-card-v2:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.card-img-wrap { position: relative; height: 200px; overflow: hidden; }
.card-img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.news-card-v2:hover .card-img { transform: scale(1.05); }
.card-badge { position: absolute; top: 12px; left: 12px; padding: 4px 12px; background: var(--primary); color: #fff; font-size: 12px; font-weight: 600; border-radius: 4px; }
.card-badge.badge-product { background: var(--accent); color: var(--primary-dark); }
.card-badge.badge-coop { background: #788c5d; }
.card-badge.badge-industry { background: #6a9bcc; }
.card-body { padding: 20px; }
.card-meta { display: flex; gap: 12px; font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }
.card-title { font-size: 17px; font-weight: 700; color: var(--heading); line-height: 1.45; margin-bottom: 8px; }
.card-desc { font-size: 16px; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; }
.card-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14px; color: var(--primary); transition: gap var(--transition); }
.card-more:hover { gap: 10px; }

/* 响应式：新闻列表 */
@media (max-width: 900px) {
  .news-columns { grid-template-columns: 1fr; }
  .featured-img-wrap { height: 300px; }
  .featured-title { font-size: 24px; }
  .featured-content { padding: 24px; }
}
@media (max-width: 600px) {
  .featured-img-wrap { height: 240px; }
  .featured-title { font-size: 20px; }
  .featured-desc { font-size: 14px; }
}

/* 新闻详情页 */
.news-detail { padding: 50px 0 60px; }
.news-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; }
.news-article { min-width: 0; }
.news-header { margin-bottom: 24px; }
.news-meta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 14px; }
.news-meta .cat { display: inline-block; padding: 4px 12px; background: var(--primary); color: #fff; font-size: 13px; font-weight: 600; border-radius: 4px; }
.news-meta .date { display: flex; align-items: center; gap: 5px; font-size: 14px; color: var(--text-muted); }
.news-meta .read-time { font-size: 14px; color: var(--text-light); }
.news-title { font-size: 28px; line-height: 1.35; color: var(--heading); font-weight: 700; }
.news-lead-img { width: 100%; border-radius: var(--radius-sm); margin-bottom: 28px; }
.news-body { font-size: 16px; line-height: 1.85; color: var(--text); }
.news-body h3 { font-size: 20px; color: var(--heading); margin: 28px 0 14px; font-weight: 700; }
.news-body p { margin-bottom: 18px; }
.news-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.news-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.news-tags .tag { padding: 4px 12px; background: var(--surface-2); color: var(--text-muted); font-size: 13px; border-radius: 4px; }
.news-share { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-muted); }
.share-btn { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); background: var(--surface); border-radius: 50%; color: var(--text-muted); cursor: pointer; transition: all var(--transition); }
.share-btn:hover { border-color: var(--primary); color: var(--primary); }
.news-cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

/* 侧边栏 */
.news-sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; }
.sidebar-title { font-size: 16px; color: var(--heading); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--border); font-weight: 700; position: relative; }
.sidebar-title::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 40px; height: 2px; background: var(--accent); }
.related-list { display: flex; flex-direction: column; gap: 14px; }
.related-list li a { display: flex; gap: 14px; transition: transform var(--transition); }
.related-list li a:hover { transform: translateX(4px); }
.related-list img { width: 80px; height: 60px; object-fit: cover; border-radius: var(--radius-sm); flex: none; }
.related-info h4 { font-size: 14px; color: var(--heading); line-height: 1.5; margin-bottom: 6px; font-weight: 600; }
.related-list li a:hover .related-info h4 { color: var(--primary); }
.related-date { font-size: 12px; color: var(--text-light); }
.sidebar-contact p { font-size: 16px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.6; }
.sidebar-phone { display: flex; align-items: center; gap: 8px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); font-size: 15px; color: var(--primary); font-weight: 600; }
.sidebar-phone .ic { color: var(--accent); }

/* 响应式：侧边栏 */
@media (max-width: 900px) {
  .news-layout { grid-template-columns: 1fr; }
  .news-sidebar { flex-direction: row; flex-wrap: wrap; }
  .sidebar-card { flex: 1; min-width: 260px; }
}
@media (max-width: 600px) {
  .news-title { font-size: 22px; }
  .news-footer { flex-direction: column; gap: 14px; }
  .sidebar-card { min-width: 100%; }
}

.culture-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.culture-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; text-align: center; transition: transform var(--transition), box-shadow var(--transition); }
.culture-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.culture-item .ic { font-size: 36px; color: var(--primary); margin-bottom: 14px; }
.culture-item h3 { font-size: 17px; margin-bottom: 10px; color: var(--heading); font-weight: 600; }
.culture-item p { color: var(--text-muted); font-size: 16px; line-height: 1.7; }

/* 404 */
.error-container { min-height: calc(100vh - var(--nav-h)); min-height: calc(100dvh - var(--nav-h)); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 40px; }
.error-code { font-size: clamp(64px, 12vw, 100px); font-weight: 700; color: var(--primary); line-height: 1; }
.error-message { font-size: 17px; color: var(--text-muted); margin: 16px 0 28px; }
.back-home { display: inline-flex; padding: 12px 28px; background: var(--primary); color: #fff; border-radius: var(--radius-sm); transition: var(--transition); font-size: 15px; font-weight: 500; }
.back-home:hover { background: var(--primary-light); }

/* 进入动画 */
.fade { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.fade.in-view { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .dropdown-content { grid-template-columns: repeat(2, 1fr); }
  .dropdown-img-wrapper { grid-column: span 2; grid-template-columns: repeat(2, 1fr); }
  .product-layout, .factory-grid { grid-template-columns: 1fr; }
  .about-row.reverse { flex-direction: column-reverse; }
}
@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .logo-main { width: 170px; }
  .nav-menu {
    position: fixed; top: var(--nav-h); left: -100%; width: 100%; height: calc(100dvh - var(--nav-h));
    background: var(--surface); flex-direction: column; justify-content: flex-start; padding-top: 30px;
    align-items: center; transition: left .3s; gap: 12px; overflow-y: auto;
  }
  .nav-menu.active { left: 0; }
  .nav-menu a { color: var(--text); display: flex; align-items: center; justify-content: center; min-height: 48px; font-size: 17px; }
  .mobile-btn { display: block; }
  .fullscreen-dropdown {
    position: static; width: 100%; max-height: none; opacity: 1; visibility: visible;
    box-shadow: none; padding: 0; display: none; border-bottom: none;
  }
  .fullscreen-dropdown.open { display: block; padding: 10px 0 20px; }
  .dropdown-content { grid-template-columns: 1fr; gap: 18px; }
  .dropdown-column h3 { margin-bottom: 12px; }
  .dropdown-img-wrapper { display: none; }
  section { padding: 72px 0; }
  .title h2 { font-size: 24px; }
  .page-banner { height: 440px; }
  .page-banner .inner h1 { font-size: 26px; }
  body[data-page="about"] .page-banner .inner h1 { font-size: 28px; }
  body[data-page="about"] .about-intro .about-text h3 { font-size: 30px; }
  .product-params { grid-template-columns: 1fr; }
  .product-main-img img { height: 280px; }
  .cta-band { padding: 0 24px; }
  .cta-title { font-size: 30px; margin-bottom: 16px; }
  .cta-sub { font-size: 15px; margin-bottom: 28px; }
}

/* 返回顶部悬浮按钮（带滚动进度环） */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 9990;
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary); color: #fff; border: none; cursor: pointer;
  box-shadow: var(--shadow-btn);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .3s var(--ease), visibility .3s var(--ease), transform .3s var(--ease), background .2s var(--ease);
}
.to-top::before {
  content: '';
  position: absolute; inset: -3px;
  border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--progress, 0) * 1%), rgba(255,255,255,.25) 0);
  z-index: -1;
  transition: background .1s linear;
}
.to-top::after {
  content: '';
  position: absolute; inset: 2px;
  border-radius: 50%;
  background: var(--primary);
  z-index: -1;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--primary-light); transform: translateY(-2px); }
.to-top:hover::after { background: var(--primary-light); }
.to-top:focus-visible { outline: none; box-shadow: var(--shadow-btn), var(--ring); }
.to-top .ic { width: 22px; height: 22px; position: relative; z-index: 1; }
@media (max-width: 480px) {
  .to-top { right: 16px; bottom: 16px; width: 44px; height: 44px; }
}

@media (max-width: 480px) {
  .container { padding-inline: 16px; }
  .logo-main { width: 150px; }
  .nav-phone span { display: none; }
  .nav-phone { font-size: 20px; }
  .about-row, .contact-row, .product-grid, .services, .team-grid, .news-grid { padding-inline: 16px; }
  section { padding: 56px 0; }
  .title { margin-bottom: 36px; }
  .page-banner { height: 380px; }
  .cta-band { padding: 0 18px; }
  .cta-title { font-size: 27px; margin-bottom: 14px; }
  .cta-sub { font-size: 14px; margin-bottom: 24px; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; text-align: center; justify-content: center; }
  .product-main-img img { height: 240px; }
}

/* =========================================================
   现代化打磨增强层
   ========================================================= */

/* 全局焦点可见性 */
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* 表单聚焦 */
.contact-form input, .contact-form textarea {
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--primary); background: var(--surface);
  box-shadow: var(--ring);
}
.contact-form input:focus-visible, .contact-form textarea:focus-visible { outline: none; }

/* 进场动画 */
.fade { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); will-change: opacity, transform; }
.fade.in-view { opacity: 1; transform: translateY(0); }

/* =========================================================
   首页：全屏视差区（产品中心下方）
   ========================================================= */
.parallax-band {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.parallax-band__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  z-index: 0;
}
.parallax-band__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(15,28,48,.86) 0%, rgba(15,28,48,.55) 42%, rgba(15,28,48,.22) 100%),
    linear-gradient(0deg, rgba(10,18,32,.62) 0%, rgba(10,18,32,.06) 62%);
}
.parallax-band__inner {
  position: relative;
  z-index: 2;
  width: 100%;
}
.parallax-band__content { max-width: 660px; }
.parallax-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(120,160,205,.16);
  border: 1px solid rgba(150,185,220,.45);
  color: #dce8f5;
  font-size: 14px;
  letter-spacing: .04em;
  backdrop-filter: blur(4px);
}
.parallax-band__title {
  font-family: inherit;
  font-size: clamp(32px, 5.2vw, 60px);
  line-height: 1.12;
  margin: 22px 0 18px;
  font-weight: 700;
  letter-spacing: -.5px;
  color: #fff;
  text-shadow: 0 2px 28px rgba(0,0,0,.4);
}
.parallax-band__text {
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.85;
  color: rgba(255,255,255,.88);
  margin-bottom: 32px;
  max-width: 560px;
}
.parallax-band__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.parallax-band .btn-ghost-light {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.6);
  color: #fff;
}
.parallax-band .btn-ghost-light:hover {
  background: rgba(255,255,255,.14);
  border-color: #fff;
  transform: translateY(-2px);
}
.parallax-band .btn-ghost-light:focus-visible { outline: none; box-shadow: var(--ring); }

@media (max-width: 768px) {
  .parallax-band { min-height: 78vh; }
  .parallax-band__title { font-size: 30px; }
  .parallax-band__text { font-size: 15px; margin-bottom: 26px; }
}
/* 减弱动态效果偏好：关闭固定背景，退回普通滚动背景，避免眩晕 */
@media (prefers-reduced-motion: reduce) {
  .parallax-band__bg { background-attachment: scroll; }
}

/* 产品标签 */
.product-tag { letter-spacing: .3px; }

/* =========================================================
   新闻详情页（news-N.html，构建期静态生成）
   复用 .card 的背景/边框/圆角/阴影，仅归零 padding 由子元素控制
   ========================================================= */
.news-detail { padding: 48px 0; }
.news-detail .container { max-width: 1200px; }
.news-article.card { padding: 0; overflow: hidden; }
.news-meta { display: flex; align-items: center; gap: 12px; padding: 24px 28px 0; font-size: 14px; color: var(--text-muted); }
.news-meta .cat { color: var(--primary); font-weight: 600; }
.news-lead-img { width: 100%; height: auto; display: block; margin: 18px 0 0; }
.news-body { padding: 20px 28px 8px; }
.news-body p { font-size: 16px; line-height: 1.9; color: var(--text); margin: 0 0 18px; }
.news-body h3 { font-size: 19px; color: var(--heading); margin: 28px 0 12px; font-weight: 600; line-height: 1.5; }
.news-body ul { margin: 0 0 18px; padding-left: 20px; }
.news-body li { font-size: 16px; line-height: 1.9; color: var(--text); margin-bottom: 8px; }
.news-cta { display: flex; flex-wrap: wrap; gap: 12px; padding: 8px 28px 28px; }
.news-back { padding: 0 0 56px; }
.news-back .container { max-width: 1200px; }

@media (max-width: 768px) {
  .news-meta, .news-body, .news-cta { padding-left: 18px; padding-right: 18px; }
  .news-body p, .news-body li { font-size: 15px; }
}

/* =========================================================
   首页产品中心（升级版式：主推大图卡 + 三列卡）
   2026-07-14 重构，沿用深海蓝 + 沙金令牌
   ========================================================= */
.title-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent-dark);
  margin-bottom: 12px;
  text-transform: uppercase;
}

/* —— 首页产品中心区域专属背景 —— */
.products {
  background:
    radial-gradient(ellipse at 15% 10%, rgba(30,58,95,.06) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 90%, rgba(201,169,110,.08) 0%, transparent 55%),
    linear-gradient(180deg, #f4f1ea 0%, #ede8dc 45%, #f2eee5 100%);
  position: relative;
}
.products::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,169,110,.4), transparent);
}

/* 主推大图卡 */
.pc-featured { margin-bottom: var(--gap); }
.pc-feature-card {
  position: relative;
  display: block;
  min-height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--primary-dark);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(201,169,110,.25);
}
.pc-feature-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(10,20,40,.94) 0%, rgba(21,42,69,.78) 45%, rgba(30,58,95,.18) 100%),
    radial-gradient(ellipse at 90% 20%, rgba(201,169,110,.22) 0%, transparent 55%);
}
.pc-feature-badges {
  position: absolute;
  top: 18px; right: 18px; z-index: 3;
  display: flex; gap: 8px;
}
.pc-feature-badges .badge-new { background: var(--accent); color: var(--primary-dark); } /* 沙金底深蓝字 */
.pc-feature-overlay {
  position: relative; z-index: 2;
  max-width: 580px;
  min-height: 380px;
  padding: 50px 48px;
  display: flex; flex-direction: column; justify-content: center;
  color: #fff;
}
.pc-feature-overlay .product-category {
  background: rgba(201,169,110,.18);
  color: var(--accent-light);
  border: 1px solid rgba(201,169,110,.45);
  align-self: flex-start;
  margin-bottom: 16px;
}
.pc-feature-overlay h3 {
  color: #fff;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.25;
  margin-bottom: 14px;
}
.pc-feature-overlay p {
  color: rgba(255,255,255,.82);
  font-size: 16px; line-height: 1.7;
  margin-bottom: 22px;
}
.pc-feature-link {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px;
  background: var(--accent);
  color: var(--primary-dark);   /* 沙金底深蓝字：对比可见 */
  font-weight: 600; font-size: 15px;
  border-radius: 999px;
  transition: background var(--transition), transform var(--transition);
}
.pc-feature-card:hover .pc-feature-link { background: var(--accent-light); transform: translateX(3px); }
.pc-feature-link .ic { width: 16px; height: 16px; }

/* 三列产品卡 */
.pc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--gap);
}
.pc-card {
  position: relative;
  display: block;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: transform .35s cubic-bezier(.22,.61,.36,1), box-shadow .35s cubic-bezier(.22,.61,.36,1), border-color .35s ease;
}
.pc-card:hover { transform: translateY(-8px); box-shadow: 0 12px 32px rgba(30,58,95,.12), 0 4px 12px rgba(30,58,95,.08); border-color: var(--accent); }
.pc-card-media { position: relative; overflow: hidden; }
.pc-card-media img { width: 100%; height: 200px; object-fit: cover; transition: transform .5s var(--ease); }
.pc-card:hover .pc-card-media img { transform: scale(1.06); }
.pc-card-media .product-category {
  position: absolute; left: 14px; top: 14px; z-index: 2; margin: 0;
}
.pc-card-badge {
  position: absolute; top: 14px; right: 14px; z-index: 3;
  padding: 4px 10px; border-radius: 4px;
  font-size: 12px; font-weight: 600; letter-spacing: .3px;
}
.pc-card-badge.badge-hot { background: var(--primary); color: #fff; }
.pc-card-badge.badge-new { background: var(--accent); color: var(--primary-dark); } /* 沙金底深蓝字 */
.pc-card-body { padding: 22px; }
.pc-card-body h3 { font-size: 18px; margin-bottom: 8px; color: var(--heading); font-weight: 600; }
.pc-card-body p {
  color: var(--text-muted); font-size: 14px; line-height: 1.6; margin-bottom: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.pc-card-cta {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--primary); font-weight: 600; font-size: 14px;
  transition: gap var(--transition), color var(--transition);
}
.pc-card:hover .pc-card-cta { color: var(--accent-dark); gap: 10px; }
.pc-card-cta .ic { width: 15px; height: 15px; }

@media (max-width: 640px) {
  .pc-feature-card, .pc-feature-overlay { min-height: 320px; }
  .pc-feature-overlay { padding: 34px 24px; }
  .pc-card-media img { height: 180px; }
}

/* Trusted By 响应式 */
/* ---------- Trusted By（合作客户 · 参考图版式） ---------- */
/* 关于我们页「产品与服务」——严格对齐线上 feiergo.com/index.html 同名版块
   线上升级值（curl 抓取 css/style.css 实测）：
   区块 py-20=80px / bg-white=#fff / 内部 max-w-1900px + px 16→24→32(lg)
   眉标 text-xs=13px font-semibold tracking .2em / 标题 text-2xl→text-3xl=24→30px font-bold gray-900
   副文 text-sm=15px gray-500 / 网格 gap-4=16px、2→3→6 列
   单元格 py-5=20px px-4=16px bg-gray-50/80 border-gray-100 rounded-xl=12px text-sm=15px font-medium gray-500
   hover: border-amber-200 text-amber-700 bg-amber-50/50（琥珀色按本地品牌适配为沙金） */
.trusted-by {
  min-height: 575px;
  padding: 80px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.trusted-inner {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  text-align: center;
  padding: 0 24px;
}
.trusted-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.trusted-title {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.2;
  letter-spacing: -.01em;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
}
.trusted-desc {
  font-size: 17px;
  color: #6b7280;
  line-height: 1.8;
  margin: 0 0 48px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.trusted-tags {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.trusted-tag {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px 18px;
  border: 1px solid #f3f4f6;
  border-radius: 12px;
  background: rgba(249,250,251,.8);
  font-size: 17px;
  font-weight: 500;
  color: #6b7280;
  text-decoration: none;
  transition: all .3s ease;
}
.trusted-tag:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: var(--accent-soft);
  box-shadow: 0 8px 22px rgba(201,169,110,.18);
}

@media (min-width: 640px) {
  .trusted-inner { padding: 0 24px; }
  .trusted-tags { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1200px) {
  .trusted-inner { padding: 0 32px; }
  .trusted-tags { grid-template-columns: repeat(6, 1fr); }
}
@media (max-width: 480px) {
  .trusted-by { min-height: 0; padding: 64px 0; }
  .trusted-tag { padding: 16px 12px; font-size: 14px; }
}

/* =========================================================
   工业编辑风（Industrial Editorial）升级层
   章节序号 · 极细分割线 · 工艺流程 · 高级滚动呈现
   单一事实来源：仅追加，不覆盖既有令牌
   ========================================================= */

/* ---------- 章节序号系统（01/06 编辑感） ---------- */
.section-index {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent-dark);
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}
.section-index::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 1px;
  background: var(--accent);
  flex: none;
}
.section-index__current { color: var(--accent-dark); }
.section-index__sep { opacity: .35; margin: 0 2px; }
.section-index__total { color: var(--text-muted); font-weight: 500; }
.section-index__label { letter-spacing: 2px; }

/* 居中变体：保持水平居中、序号条对称 */
.title .section-index { justify-content: center; }

/* ---------- 章节标题：极细金色描线 + 滚动触发延伸 ---------- */
.title h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 22px;
}
.title h2::after {
  width: 0;
  height: 1px;
  background: var(--accent);
  margin: 0;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  transition: width .9s var(--ease) .15s;
}
.title.in-view h2::after { width: 48px; }

/* ---------- 服务卡升级：序号 + 极细分割线 + 抽拉效果 ---------- */
.services { gap: 0; }
.service-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left-width: 1px;
  border-radius: 0;
  box-shadow: none;
  padding: 36px 28px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background .3s var(--ease), color .3s var(--ease);
}
.service-card + .service-card { border-left: 0; }
.service-card::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--border);
  z-index: 1;
}
/* 网格布局：用 4 列时 service-card 自身需要右边框 */
.services {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.service-card .ic {
  font-size: 28px;
  color: var(--primary);
  margin: 0;
  transition: transform .35s var(--ease), color .3s var(--ease);
}
.service-card__num {
  position: absolute;
  top: 22px; right: 24px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 2px;
  font-variant-numeric: tabular-nums;
  transition: color .3s var(--ease);
}
.service-card__rule {
  display: block;
  width: 32px; height: 1px;
  background: var(--accent);
  margin: 0;
  transition: width .35s var(--ease);
}
.service-card h3 {
  font-size: 18px;
  margin: 0;
  color: var(--heading);
  font-weight: 700;
  letter-spacing: .2px;
}
.service-card p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.75;
  margin: 0;
}
.service-card:hover { background: var(--primary); border-color: var(--primary); }
.service-card:hover h3,
.service-card:hover p { color: rgba(255,255,255,.92); }
.service-card:hover .ic { color: var(--accent); transform: translateX(4px); }
.service-card:hover .service-card__num { color: rgba(255,255,255,.55); }
.service-card:hover .service-card__rule { width: 56px; background: #fff; }

@media (max-width: 1024px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .service-card:nth-child(2n) { border-left: 0; }
  .service-card:nth-child(n+3) { border-top: 1px solid var(--border); }
}
@media (max-width: 640px) {
  .services { grid-template-columns: 1fr; }
  .service-card { border-left: 0 !important; border-top: 1px solid var(--border); }
  .service-card:first-child { border-top: 0; }
}

/* ---------- 联系区：编辑型信息条 + 悬浮表单 ---------- */
.contact-editorial {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  margin: 32px auto;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  min-height: 520px;
}
.contact-info-col {
  background: var(--primary-dark);
  color: var(--footer-text);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}
.contact-info-col::before {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 50%;
  background: radial-gradient(120% 80% at 100% 0%, rgba(201,169,110,.18), transparent 60%);
  pointer-events: none;
}
.contact-info-col__eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 18px;
}
.contact-info-col h2 {
  color: #fff;
  font-size: clamp(26px, 3vw, 32px);
  margin: 0 0 18px;
  font-weight: 700;
  letter-spacing: -.3px;
  line-height: 1.3;
}
.contact-info-col__lead {
  color: rgba(255,255,255,.7);
  font-size: 15px;
  line-height: 1.85;
  margin: 0 0 36px;
  max-width: 360px;
}
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  list-style: none;
  margin: 0; padding: 0;
}
.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid rgba(255,255,255,.1);
}
.contact-info-list li:last-child { border-bottom: 1px solid rgba(255,255,255,.1); }
.contact-info-list .ic {
  font-size: 18px;
  color: var(--accent);
  margin-top: 2px;
  flex: none;
}
.contact-info-list__k {
  font-size: 11px;
  letter-spacing: 2px;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  margin-bottom: 6px;
  font-weight: 600;
}
.contact-info-list__v {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  word-break: break-word;
}
.contact-info-list__v a { color: #fff; }
.contact-info-list__v a:hover { color: var(--accent); }

.contact-form-col {
  padding: 56px 48px;
  background: var(--surface);
  position: relative;
}
.contact-form-col__eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--accent-dark);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 18px;
}
.contact-form-col h3 {
  font-size: 22px;
  color: var(--heading);
  margin: 0 0 8px;
  font-weight: 700;
}
.contact-form-col__lead {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0 0 28px;
  line-height: 1.7;
}
.contact-form-col form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.contact-form-col .field { position: relative; }
.contact-form-col .field-full { grid-column: 1 / -1; }
.contact-form-col .field label {
  display: block;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 8px;
}
.contact-form-col input,
.contact-form-col textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-bottom: 1px solid var(--border-strong);
  background: var(--bg);
  border-radius: 0;
  font-size: 15px;
  color: var(--text);
  font-family: inherit;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.contact-form-col input:focus,
.contact-form-col textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: 0 2px 0 var(--primary);
}
.contact-form-col textarea { min-height: 120px; resize: vertical; }
.contact-form-col .submit-row {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 6px;
  flex-wrap: wrap;
}
.contact-form-col .submit-hint {
  font-size: 13px;
  color: var(--text-muted);
}
.contact-form-col .btn {
  border-radius: 0;
  padding: 14px 32px;
  letter-spacing: 1px;
}
#formStatus { grid-column: 1 / -1; font-size: 14px; min-height: 20px; }
#formStatus.ok { color: var(--primary); }
#formStatus.err { color: #b03b2e; }

@media (max-width: 1024px) {
  .contact-editorial { grid-template-columns: 1fr; }
  .contact-info-col,
  .contact-form-col { padding: 44px 32px; }
}
@media (max-width: 640px) {
  .contact-form-col form { grid-template-columns: 1fr; }
  .contact-info-col,
  .contact-form-col { padding: 36px 24px; }
}

/* 联系页整体字号放大两档（仅作用 contact 页，不波及其它页面） */
body[data-page="contact"] .sec-head h2 { font-size: clamp(30px, 4vw, 48px); }
body[data-page="contact"] .sec-head .lede { font-size: 18px; }
body[data-page="contact"] .contact-info-col__eyebrow { font-size: 14px; }
body[data-page="contact"] .contact-info-col h2 { font-size: clamp(30px, 3.6vw, 40px); }
body[data-page="contact"] .contact-info-col__lead { font-size: 18px; }
body[data-page="contact"] .contact-info-list__k { font-size: 13px; }
body[data-page="contact"] .contact-info-list__v { font-size: 18px; }
body[data-page="contact"] .contact-form-col__eyebrow { font-size: 14px; }
body[data-page="contact"] .contact-form-col h3 { font-size: 26px; }
body[data-page="contact"] .contact-form-col__lead { font-size: 17px; }
body[data-page="contact"] .contact-form-col .field label { font-size: 13px; }
body[data-page="contact"] .contact-form-col input,
body[data-page="contact"] .contact-form-col textarea { font-size: 17px; }
body[data-page="contact"] .contact-form-col .submit-hint { font-size: 15px; }
body[data-page="contact"] .contact-bg-section .btn { font-size: 17px; }

/* ---------- 入场动画：左侧滑入（编辑感） ---------- */
.fade-up { opacity: 0; transform: translateY(32px); transition: opacity .9s cubic-bezier(.22,.61,.36,1), transform .9s cubic-bezier(.22,.61,.36,1); will-change: opacity, transform; }
.fade-up.in-view { opacity: 1; transform: translateY(0); }

/* 数字章节序号：进入视口时数字轻微淡入 */
.section-index.in-view { animation: section-index-in .6s var(--ease) both; }
@keyframes section-index-in {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}


/* 减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1 !important; transform: none !important; transition: none !important; }
  .section-index.in-view { animation: none !important; }
  .title.in-view h2::after { transition: none !important; width: 48px !important; }
}

/* 兼容旧版 .contact / .contact-row：旧区块不强行套新样式，避免破坏既有内页 */
.contact .contact-row { display: flex; gap: 48px; flex-wrap: wrap; padding: 0 24px; }
.contact .contact-row > * { flex: 1; min-width: 300px; }

/* =========================================================
   2026 统一重构 · 设计系统增强层
   深海蓝 + 沙金 · 专业权威 B2B 风
   仅做增强 / 覆盖；零外链、相对路径、无内联 style。
   ========================================================= */
/* —— 区块间距统一（使用 :root 中已定义的 --section-y） —— */
section{ padding: var(--section-y) 0; }
@media (max-width: 768px){ section{ padding: 64px 0; } }

/* —— 统一区块标题 .sec-head —— */
.sec-head{ max-width: 760px; margin: 0 auto 56px; text-align: center; }
.sec-head--left{ margin-left: 0; text-align: left; }
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-size:16px; font-weight:700; letter-spacing:.2em; text-transform:uppercase;
  color:var(--accent-dark);
}
.eyebrow::before{ content:""; width:30px; height:2px; border-radius:2px; background:var(--gold-line); }
.sec-head h2{
  font-size:clamp(32px,4.2vw,52px); line-height:1.2; margin:18px 0 16px;
  letter-spacing:-.01em; color:var(--heading);
}
.sec-head .lede{ font-size:20px; color:var(--text-muted); line-height:1.8; }
.sec-head__rule{ width:54px; height:3px; border-radius:3px; background:var(--gold-line); margin:18px auto 0; }
.sec-head--left .sec-head__rule{ margin-left:0; }
.sec-head--invert h2{ color:#fff; }
.sec-head--invert .lede{ color:rgba(255,255,255,.82); }
.sec-head--invert .eyebrow{ color:var(--accent-light); }

/* —— 通用卡片 .panel —— */
.panel{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:30px; box-shadow:var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.panel:hover{ transform:translateY(-5px); box-shadow:var(--shadow-lg); border-color:var(--accent); }

/* —— 图标圆盘（统一 ic 容器） —— */
.ic-disc{
  width:56px; height:56px; border-radius:14px; display:inline-flex; align-items:center; justify-content:center;
  background:var(--gold-soft); color:var(--accent-dark); flex:none;
}
.ic-disc .ic{ width:28px; height:28px; }

/* —— 按钮增强 —— */
.btn-lg{ padding:15px 34px; font-size:16px; }
.btn:focus-visible{ outline:none; box-shadow:var(--ring); }
.btn-gold:focus-visible{ box-shadow:var(--ring-gold); }
.btn-ghost-light{ background:transparent; border:1.5px solid rgba(255,255,255,.55); color:#fff; }
.btn-ghost-light:hover{ background:rgba(255,255,255,.12); border-color:#fff; }


/* —— 资质与保障 .certs —— */
.certs__grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:20px; }
.cert{
  display:flex; gap:16px; align-items:flex-start; background:var(--surface);
  border:1px solid var(--border); border-radius:var(--radius-lg); padding:22px;
  box-shadow:var(--shadow-card); transition:transform .35s cubic-bezier(.22,.61,.36,1), box-shadow .35s cubic-bezier(.22,.61,.36,1), border-color .35s ease;
}
.cert:hover{ transform:translateY(-6px); box-shadow: 0 12px 32px rgba(30,58,95,.12), 0 4px 12px rgba(30,58,95,.08); border-color:var(--accent); }
.cert__ic{ color:var(--accent-dark); flex:none; margin-top:2px; }
.cert__ic .ic{ width:30px; height:30px; }
.cert__title{ font-size:16px; font-weight:600; color:var(--heading); margin-bottom:4px; }
.cert__desc{ font-size:13.5px; color:var(--text-muted); line-height:1.6; }

/* —— 滚动动效 stagger —— */
.stagger > *{ opacity:0; transform:translateY(24px); transition:opacity .75s cubic-bezier(.22,.61,.36,1), transform .75s cubic-bezier(.22,.61,.36,1); }
.stagger.in-view > *{ opacity:1; transform:none; }
.stagger.in-view > *:nth-child(1){ transition-delay:.02s; }
.stagger.in-view > *:nth-child(2){ transition-delay:.08s; }
.stagger.in-view > *:nth-child(3){ transition-delay:.14s; }
.stagger.in-view > *:nth-child(4){ transition-delay:.20s; }
.stagger.in-view > *:nth-child(5){ transition-delay:.26s; }
.stagger.in-view > *:nth-child(6){ transition-delay:.32s; }
.stagger.in-view > *:nth-child(7){ transition-delay:.38s; }
.stagger.in-view > *:nth-child(8){ transition-delay:.44s; }
.stagger.in-view > *:nth-child(9){ transition-delay:.50s; }
.stagger.in-view > *:nth-child(10){ transition-delay:.56s; }
.stagger.in-view > *:nth-child(11){ transition-delay:.62s; }
.stagger.in-view > *:nth-child(12){ transition-delay:.68s; }

/* —— 内页横幅精修 —— */
.page-banner .inner{ max-width:820px; }
.page-banner .inner h1{ position:relative; display:inline-block; padding-bottom:18px; }
.page-banner .inner h1::after{ content:""; position:absolute; left:50%; transform:translateX(-50%); bottom:0; width:56px; height:3px; border-radius:3px; background:var(--gold-line); }
.page-banner .eyebrow{ display:inline-flex; align-items:center; gap:10px; margin-bottom:16px; color:var(--accent-light); font-size:13px; font-weight:700; letter-spacing:.2em; text-transform:uppercase; }

/* —— 现有卡片统一焕新（增强，不破坏结构） —— */
.product-card{ border-radius:var(--radius-lg); }
.product-card .product-info{ padding:22px; }
.product-card .product-info h3{ font-size:18px; margin-bottom:8px; color:var(--heading); }
.product-card .product-info .btn{ margin-top:14px; }
.product-card .product-img{ transition:transform .6s var(--ease-out); }
.case-card, .service-detail-card, .news-card{ border-radius:var(--radius-lg); }
.service-detail-card .ic{ color:var(--accent-dark); }
.service-detail-card:hover, .case-card:hover, .news-card:hover, .feature-card:hover, .team-card:hover, .adv-item:hover, .scene-item:hover, .feature-box:hover, .quality-item:hover, .culture-item:hover, .news-card-v2:hover, .cat-box:hover, .product-card:hover, .pc-card:hover, .card:hover, .sidebar-card:hover{ border-color:var(--accent); }

/* —— 卡片质感统一（圆角/焦点环/图片微交互） —— */
.service-card, .team-card, .cert, .pc-card, .pc-feature-card{ border-radius:var(--radius-lg); }
.case-card, .news-card, .service-detail-card, .pc-card, .pc-feature-card{ overflow:hidden; }
.product-card:hover .product-img,
.pc-card:hover .product-img{ transform:scale(1.05); }
.product-card:focus-within, .service-card:focus-within, .team-card:focus-within,
.case-card:focus-within, .news-card:focus-within, .cert:focus-within,
.pc-card:focus-within, .pc-feature-card:focus-within{
  outline:none; box-shadow:var(--shadow-hover), var(--ring); border-color:var(--accent);
}

/* —— CTA 带精修 —— */
.cta-band{
  position:relative; overflow:hidden;
  background:
    radial-gradient(120% 120% at 12% 14%, rgba(255,255,255,.38), transparent 46%),
    radial-gradient(120% 120% at 88% 92%, rgba(21,42,69,.30), transparent 55%),
    repeating-linear-gradient(45deg, rgba(21,42,69,.05) 0 1px, transparent 1px 26px),
    linear-gradient(135deg, var(--accent-light), var(--accent));
}
.cta-band::before{ content:""; position:absolute; left:-70px; bottom:-70px; width:300px; height:300px; border-radius:50%; background:radial-gradient(circle, rgba(21,42,69,.22), transparent 68%); }
.cta-band::after{ content:""; position:absolute; right:-90px; top:-90px; width:340px; height:340px; border-radius:50%; background:radial-gradient(circle, rgba(21,42,69,.15), transparent 68%); }
.cta-band .cta-body{ position:relative; z-index:1; max-width:860px; margin:0 auto; text-align:center; padding:64px 24px; }
.cta-band .cta-title{ color:#fff; font-size:clamp(36px,5.4vw,58px); margin-bottom:18px; }
.cta-band .cta-sub{ color:rgba(255,255,255,.9); font-size:20px; margin-bottom:30px; }
.cta-band .cta-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.cta-primary{ background:#fff; color:var(--primary-dark); font-weight:600; border-radius:8px; padding:14px 30px; box-shadow:0 8px 18px rgba(30,58,95,.30); }
.cta-primary:hover{ background:#eef1f5; color:var(--primary-dark); transform:translateY(-2px); }
.cta-outline{ background:transparent; border:2px solid rgba(255,255,255,.65); color:#fff; font-weight:600; border-radius:8px; padding:14px 30px; }
.cta-outline:hover{ background:rgba(255,255,255,.16); border-color:#fff; }
/* CTA 区按钮字号（搭配已放大的标题/副文） */
.cta-band .btn{ font-size:18px; }
.cta-band .btn.cta-primary .ic{ width:18px; height:18px; }

/* —— 时间线（关于页） —— */
.timeline{ position:relative; max-width:820px; margin:0 auto; padding-left:28px; }
.timeline::before{ content:""; position:absolute; left:7px; top:6px; bottom:6px; width:2px; background:linear-gradient(var(--accent), var(--border)); }
.tl-item{ position:relative; padding:0 0 34px 28px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-item::before{ content:""; position:absolute; left:-28px; top:4px; width:16px; height:16px; border-radius:50%; background:var(--accent); border:3px solid var(--surface); box-shadow:0 0 0 3px var(--gold-soft); }
.tl-year{ font-size:15px; font-weight:700; color:var(--accent-dark); letter-spacing:.04em; }
.tl-title{ font-size:18px; font-weight:600; color:var(--heading); margin:4px 0 6px; }
.tl-desc{ font-size:16px; color:var(--text-muted); line-height:1.75; }

/* —— 浅底交替区块 —— */
.bg-soft{ background:var(--surface-2-gradient); }

/* —— 正文链接品牌感：hover 沙金下划线（排除按钮与卡片链接） —— */
main a:not(.btn):not(.pc-card):not(.pc-feature-card):not(.product-card):not(.service-card):not(.team-card):not(.case-card):not(.news-card):not(.cert):hover{
  color:var(--accent-dark);
  text-decoration:underline;
  text-decoration-color:var(--accent);
  text-underline-offset:3px;
}

/* —— 减弱动效偏好 —— */
@media (prefers-reduced-motion: reduce){
  .stagger > *{ opacity:1 !important; transform:none !important; transition:none !important; }
}

/* —— 产品中心：吸顶分类导航 —— */
.cat-nav{ position:sticky; top:calc(var(--nav-h) - 1px); z-index:20; background:rgba(245,243,238,.92); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px); border-bottom:1px solid var(--border); margin-bottom:36px; }
.cat-nav__inner{ max-width:var(--maxw); margin:0 auto; padding:12px 24px; display:flex; gap:10px; flex-wrap:wrap; }
.cat-nav__link{ display:inline-flex; align-items:center; gap:8px; padding:8px 16px; border-radius:999px; font-size:14px; font-weight:500; color:var(--text-muted); border:1px solid var(--border); background:var(--surface); transition:all var(--transition); }
.cat-nav__link:hover{ color:var(--primary); border-color:var(--primary); }
.cat-nav__link .ic{ width:16px; height:16px; }
.cat-nav__link.is-active{ background:var(--primary); border-color:var(--primary); color:#fff; }
@media (max-width:768px){ .cat-nav__inner{ gap:8px; overflow-x:auto; flex-wrap:nowrap; -webkit-overflow-scrolling:touch; } .cat-nav__link{ white-space:nowrap; } }

/* —— 产品详情：粘性信息列 + 场景图 + 安心保障 —— */
@media (min-width: 992px){
  .product-detail .product-info{ position:sticky; top:calc(var(--nav-h) + 16px); align-self:start; }
}
.product-main-img img{ height:auto; aspect-ratio:1 / 1; }
.pd-why{ display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; margin-top:24px; }
.pd-why__item{ display:flex; gap:12px; align-items:flex-start; background:var(--surface-3); border:1px solid var(--border); border-radius:var(--radius-lg); padding:16px; }
.pd-why__ic{ color:var(--accent-dark); flex:none; }
.pd-why__ic .ic{ width:24px; height:24px; }
.pd-why__t{ font-size:14.5px; font-weight:600; color:var(--heading); margin-bottom:2px; }
.pd-why__d{ font-size:13px; color:var(--text-muted); line-height:1.5; }

/* ---------- 网站地图 ---------- */
.sitemap-section {
  padding: 80px 0;
}
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}
.sitemap-column {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.sitemap-column:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}
.sitemap-col-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--border);
}
.sitemap-col-head .ic {
  font-size: 22px;
  color: var(--accent-dark);
  flex: none;
}
.sitemap-col-head h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--heading);
  margin: 0;
}
.sitemap-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sitemap-list li {
  margin-bottom: 10px;
}
.sitemap-list li:last-child {
  margin-bottom: 0;
}
.sitemap-list li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
  transition: all var(--transition);
}
.sitemap-list li a .ic {
  font-size: 14px;
  color: var(--accent);
  flex: none;
  transition: transform var(--transition);
}
.sitemap-list li a:hover {
  background: var(--accent-soft);
  color: var(--primary);
  padding-left: 16px;
}
.sitemap-list li a:hover .ic {
  transform: translateX(4px);
}

.sitemap-contact {
  margin-top: 64px;
  padding: 48px;
  background: linear-gradient(135deg, var(--footer-bg-2) 0%, var(--footer-bg) 60%, var(--primary) 120%);
  border-radius: var(--radius-lg);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-card);
}
.sitemap-contact-text h3 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.sitemap-contact-text p {
  font-size: 16px;
  color: rgba(255,255,255,.82);
  margin: 0;
}
.sitemap-contact-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.sitemap-contact-actions .btn-gold {
  color: var(--primary-dark);
}
.sitemap-contact-actions .btn-outline {
  border-color: rgba(255,255,255,.4);
  color: #fff;
}
.sitemap-contact-actions .btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 768px) {
  .sitemap-section {
    padding: 50px 0;
  }
  .sitemap-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .sitemap-column {
    padding: 22px;
  }
  .sitemap-contact {
    padding: 32px 24px;
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }
  .sitemap-contact-text h3 {
    font-size: 22px;
  }
  .sitemap-contact-actions {
    justify-content: center;
  }
}

/* ======== 关于我们页面 · 企业实力 V2 升级 ======== */
.strength-v2 {
  background: linear-gradient(180deg, #ffffff 0%, #faf8f3 40%, #f6f2ea 100%);
  position: relative;
}
.strength-v2::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,169,110,.5), transparent);
  pointer-events: none;
}


/* ======== 关于我们 · 发展历程→合作案例 过渡视差区 ======== */
.parallax-about-cases {
  min-height: 560px;
  background-position: center 28%;
}
.parallax-about-cases .parallax-overlay {
  background:
    radial-gradient(ellipse at 18% 30%, rgba(201,169,110,.18) 0%, transparent 55%),
    linear-gradient(120deg, rgba(15,30,52,.82) 0%, rgba(30,58,95,.72) 45%, rgba(15,30,52,.85) 100%);
}
.parallax-content--light h2 {
  background: linear-gradient(90deg, #ffffff 0%, rgba(201,169,110,.92) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}
.parallax-content--light p {
  color: rgba(255,255,255,.84);
  max-width: 720px;
}
@media (max-width: 1024px) {
  .parallax-about-cases { min-height: 480px; }
}
@media (max-width: 768px) {
  .parallax-about-cases { min-height: 420px; background-attachment: scroll; }
  .parallax-content--light h2 { -webkit-text-fill-color: #fff; background: none; }
}