/* ===== 大峰软件官网 — 华为商城风格设计系统 ===== */
:root {
  /* 品牌色 — 华为红 */
  --hw-red: #CE0E2D;
  --hw-red-hover: #A80B24;
  --hw-red-light: #FFF0F2;

  /* 文字 */
  --text-primary: #1A1A1A;
  --text-secondary: #666666;
  --text-tertiary: #999999;

  /* 背景 */
  --bg-page: #F1F3F5;
  --bg-card: #FFFFFF;
  --bg-dark: #0a0a0a;

  /* 边框 */
  --border: #E5E5E5;
  --border-light: #EEEEEE;

  /* 圆角 */
  --radius-btn: 8px;
  --radius-card: 8px;
  --radius-pill: 20px;
  --radius-img: 8px;
  --radius-tag: 2px;

  /* 间距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-xxl: 80px;

  /* 阴影 */
  --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 20px rgba(0,0,0,0.12);
  --shadow-header: 0 2px 6px rgba(0,0,0,0.06);

  --font: "HuaweiSans", "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --max-width: 1280px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: auto; }
section[id], [id^="pd-"], #contact, #honor, #jobs {
  scroll-margin-top: 128px;
}

body {
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--hw-red); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

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

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; width: 100%; height: 56px;
  z-index: 999;
  background: rgba(241,243,245,0.92);
  backdrop-filter: blur(10px);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.header.scrolled { background: #fff; box-shadow: var(--shadow-header); }
.header .container { height: 100%; display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: var(--space-sm); font-weight: 700; font-size: 17px; color: #000; }
.logo-img { width: 95px; height: auto; display: block; filter: none; }
.logo .logo-mark {
  width: 34px; height: 34px; border-radius: 6px;
  background: var(--hw-red); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px;
}
.logo .logo-sub { font-size: 15px; color: var(--text-tertiary); font-weight: 400; letter-spacing: 0.5px; }

.nav { display: flex; gap: 30px; align-items: center; }
.nav-link {
  font-size: 18px; color: var(--text-primary); position: relative;
  padding: 4px 0; font-weight: 400; display: inline-flex; align-items: center; gap: 4px;
}
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--hw-red); transition: width 0.25s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active, .nav-link:hover { color: var(--hw-red); }

.header-right { display: flex; align-items: center; gap: var(--space-md); }
.header-phone { font-size: 15px; color: var(--text-secondary); font-weight: 500; }
.header-phone strong { color: var(--hw-red); }
.header-search { position: relative; display: flex; align-items: center; }
.search-input {
  width: 220px; height: 38px; padding: 0 38px 0 14px;
  border: 2px solid var(--hw-red); border-radius: 999px;
  font-size: 14px; font-family: var(--font); background: #fff;
  transition: all 0.2s ease; outline: none;
}
.search-input::placeholder { color: var(--text-tertiary); }
.search-input:focus { width: 280px; box-shadow: 0 0 0 3px rgba(206,14,45,0.12); }
.search-btn {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--hw-red); border: none; cursor: pointer;
  font-size: 14px; line-height: 1; color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.search-btn:hover { background: var(--hw-red-hover); }
.search-results {
  display: none; position: absolute; top: 42px; right: 0; width: 320px;
  background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-card);
  box-shadow: var(--shadow-hover); z-index: 1000; max-height: 400px; overflow-y: auto;
}
.search-results a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; font-size: 14px; color: var(--text-primary);
  border-bottom: 1px solid var(--border-light); transition: background 0.15s;
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover { background: var(--hw-red-light); color: var(--hw-red); }
.search-results a span { font-size: 12px; color: var(--text-tertiary); }
.search-empty { padding: 16px; text-align: center; font-size: 14px; color: var(--text-tertiary); }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; font-size: 24px; color: var(--text-primary); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border-radius: var(--radius-btn); padding: 11px 30px;
  font-size: 15px; font-weight: 500; cursor: pointer; border: none;
  transition: all 0.2s; font-family: var(--font);
}
.btn-primary { background: var(--hw-red); color: #fff; }
.btn-primary:hover { background: var(--hw-red-hover); color: #fff; }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.6); }
.btn-ghost:hover { background: rgba(255,255,255,0.12); color: #fff; }
.btn-outline { background: #fff; color: var(--text-primary); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--hw-red); color: var(--hw-red); }

/* ===== Hero（带背景图） ===== */
.hero {
  margin-top: 56px;
  min-height: 680px;
  color: #fff;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  background: #063a82;
}
.hero-bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0; opacity: 1;
}
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(100deg, rgba(2,34,88,0.62) 0%, rgba(7,70,150,0.34) 46%, rgba(0,26,92,0.08) 100%);
}
.hero .container { position: relative; z-index: 2; }
.hero-tag {
  display: inline-block; background: rgba(206,14,45,0.9); color: #fff;
  font-size: 15px; font-weight: 500; padding: 6px 16px; border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}
.hero h1 { font-size: 54px; line-height: 1.12; font-weight: 700; margin-bottom: var(--space-md); letter-spacing: -1px; }
.hero h1 .accent { color: #ff6b7c; }
.hero p { font-size: 18px; color: rgba(255,255,255,0.9); max-width: 620px; margin-bottom: var(--space-lg); }
.hero-actions { display: flex; gap: var(--space-md); }
.hero .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.55); background: rgba(255,255,255,0.08); }
.hero .btn-ghost:hover { color: #fff; border-color: #fff; background: rgba(255,255,255,0.18); }

/* ===== 数据条 ===== */
.stats-bar { background: #fff; border-bottom: 1px solid var(--border-light); }
.stats-bar .container { display: flex; justify-content: space-around; padding: var(--space-lg); flex-wrap: wrap; gap: var(--space-md); }
.stat {
  text-align: center; min-width: 136px; border-radius: var(--radius-card);
  padding: 10px 16px; transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.stat:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); background: #fff; }
.stat .num { font-size: 34px; font-weight: 700; color: var(--hw-red); line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat .label { font-size: 15px; color: var(--text-secondary); margin-top: 4px; }

/* ===== 通用区块 ===== */
.section { padding: var(--space-xxl) 0; }
.section.alt { background: #fff; }
.section-head { text-align: center; margin-bottom: var(--space-xl); }
.section-head .eyebrow { font-size: 15px; color: var(--hw-red); font-weight: 600; letter-spacing: 0; }
.section-head h2 { font-size: 34px; font-weight: 700; margin: var(--space-sm) 0; color: var(--text-primary); line-height: 1.2; }
.section-head p { font-size: 16px; color: var(--text-secondary); max-width: 640px; margin: 0 auto; line-height: 1.9; }
.section-head .jobs-benefits { max-width: 800px; }
.section-head .featured-products-desc { font-size: 25px; max-width: 800px; font-weight: 700; }
.section-head .large-section-desc { font-size: 25px; max-width: 800px; }
.section-head .single-line-desc { max-width: none; white-space: nowrap; }

.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.capability-item {
  background: var(--bg-page); border-radius: var(--radius-card); padding: var(--space-lg);
  border: 1px solid var(--border-light);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
}
.capability-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(206,14,45,0.18); background: #fff; }
.capability-item h3 { font-size: 18px; font-weight: 600; color: var(--text-primary); margin-bottom: var(--space-sm); }
.capability-item p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }

.pd-solution { background: #fff; }
.solution-stages {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.solution-stage {
  background: var(--bg-page); border: 1px solid var(--border-light); border-radius: var(--radius-card);
  padding: var(--space-lg);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
}
.solution-stage:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(206,14,45,0.18); background: #fff; }
.solution-stage h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); }
.solution-stage p { font-size: 15px; line-height: 1.8; color: var(--text-secondary); }
.solution-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
.solution-feature {
  display: flex; gap: var(--space-md); align-items: flex-start;
  background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-card);
  padding: var(--space-lg); box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.solution-feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(206,14,45,0.18); }
.solution-index {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--hw-red-light); color: var(--hw-red);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; flex: 0 0 36px;
}
.solution-feature h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; color: var(--text-primary); }
.solution-feature p { font-size: 15px; line-height: 1.8; color: var(--text-secondary); }

/* ===== 品类导航 ===== */
.cat-nav { background: #fff; border-bottom: 1px solid var(--border-light); position: sticky; top: 56px; z-index: 500; }
.cat-nav .container { display: flex; gap: 30px; height: 50px; align-items: center; overflow-x: auto; }
.cat-nav a { font-size: 15px; color: var(--text-secondary); white-space: nowrap; position: relative; height: 100%; display: flex; align-items: center; }
.cat-nav a.active, .cat-nav a:hover { color: var(--hw-red); font-weight: 500; }
.cat-nav a.active::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--hw-red); }

/* ===== 网格 ===== */
.grid { display: grid; gap: var(--space-lg); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== 产品卡片（带图） ===== */
.card {
  background: var(--bg-card); border-radius: var(--radius-card); overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card-figure { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--bg-page); }
.card-figure img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card-figure img { transform: scale(1.06); }
.card-cat {
  position: absolute; top: 12px; left: 12px;
  background: rgba(206,14,45,0.92); color: #fff;
  font-size: 15px; padding: 4px 12px; border-radius: var(--radius-pill);
}
.card-body { padding: var(--space-lg); display: flex; flex-direction: column; flex: 1; }
.card h3 { font-size: 18px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.card .card-sub { font-size: 15px; color: var(--hw-red); margin-bottom: var(--space-sm); }
.card p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.card .card-more { margin-top: var(--space-md); color: var(--hw-red); font-size: 15px; font-weight: 500; }

.featured-products { display: grid; gap: var(--space-xl); }
.product-category { margin-bottom: var(--space-xl); }
.product-category:last-child { margin-bottom: 0; }
.featured-product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }

/* 纯文字卡片（无图，用于板块/行业） */
.card-plain { padding: var(--space-xl) var(--space-lg); }
.card-plain .card-icon {
  width: 56px; height: 56px; border-radius: var(--radius-img);
  background: var(--hw-red-light); color: var(--hw-red);
  display: flex; align-items: center; justify-content: center; font-size: 28px;
  margin-bottom: var(--space-md);
}
.card-plain h3 {
  font-size: 20px; font-weight: 700; margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md); border-bottom: 2px solid var(--hw-red);
}
.product-list {
  display: flex; flex-direction: column; gap: var(--space-sm);
}
.product-list li {
  list-style: none;
}
.product-list a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--radius-btn);
  font-size: 15px; line-height: 1.6; color: var(--text-primary);
  transition: all 0.2s ease; border-left: 3px solid transparent;
}
.product-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--hw-red); flex-shrink: 0;
}
.product-list a:hover {
  background: var(--hw-red-light); color: var(--hw-red);
  border-left-color: var(--hw-red); transform: translateX(4px);
}
.business-block-card { padding-top: var(--space-lg); }
.business-card-visual {
  margin: 0 0 var(--space-lg); border-radius: var(--radius-card);
  overflow: hidden; background: #eef8ff; border: 1px solid var(--border-light);
}
.business-card-visual img {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
  transition: transform .45s ease;
}
.business-block-card:hover .business-card-visual img { transform: scale(1.04); }

/* ===== 优势区 ===== */
.adv-section {
  position: relative; overflow: hidden;
  background:
    linear-gradient(135deg, rgba(206,14,45,0.06), rgba(49,95,158,0.08)),
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.9), transparent 34%),
    #f8fafc;
}
.adv-section::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(26,26,26,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,26,26,0.04) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: 0.7;
}
.adv-section .container { position: relative; z-index: 1; }
.adv-text-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-lg); }
.adv-text-card {
  background: rgba(255,255,255,0.92); border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  border: 1px solid rgba(255,255,255,0.78); padding: var(--space-lg);
  transition: all .25s ease; min-height: 240px;
  backdrop-filter: blur(8px);
}
.adv-text-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.adv-text-card span {
  display: inline-flex; width: 42px; height: 42px; border-radius: 50%;
  align-items: center; justify-content: center; background: var(--hw-red-light);
  color: var(--hw-red); font-size: 18px; font-weight: 700; margin: 0 10px 0 0;
}
.adv-text-card h4 { display: inline; font-size: 19px; font-weight: 700; white-space: nowrap; vertical-align: middle; }
.adv-text-card p { margin-top: var(--space-md); font-size: 15px; color: var(--text-secondary); line-height: 1.85; text-align: justify; text-align-last: left; }
.adv-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-lg); }
.adv-item { background:#fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card); transition: all .25s ease; overflow: hidden; }
.adv-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.adv-item img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.adv-item > div { padding: var(--space-lg); }
.adv-item h4 { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.adv-item p { font-size: 15px; color: var(--text-secondary); }

/* ===== 客户 logo 墙 ===== */
.logo-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.logo-item {
  background: #fff; border-radius: var(--radius-card); padding: var(--space-lg) var(--space-md);
  text-align: center; font-size: 15px; color: var(--text-primary); font-weight: 500;
  box-shadow: var(--shadow-card); transition: all 0.25s ease;
  display: flex; align-items: center; justify-content: center; min-height: 88px;
}
.logo-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); color: var(--hw-red); }

.client-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.client-logo {
  min-height: 168px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light); padding: 16px 14px;
  transition: all .25s ease;
}
.client-logo:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.client-logo img {
  width: 90%; height: 92px; max-height: 92px; object-fit: contain; border-radius: 6px;
  background: #fff; padding: 4px; flex: 0 0 auto;
}
.client-logo span {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  min-height: 42px; overflow: hidden; text-align: center;
  color: var(--text-primary); font-size: 15px; line-height: 1.4; font-weight: 600;
}
.client-pagination {
  display: flex; justify-content: center; gap: 10px; margin-top: var(--space-xl);
}
.client-page-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border);
  background: #fff; color: var(--text-secondary); font-size: 15px; font-weight: 700;
  cursor: pointer; transition: all .2s ease;
}
.client-page-btn:hover, .client-page-btn.active {
  background: var(--hw-red); color: #fff; border-color: var(--hw-red);
}

.industry-cover { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.industry-item {
  display: grid; grid-template-columns: 72px 1fr; gap: var(--space-lg); align-items: center;
  background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light); padding: var(--space-xl);
  transition: all .25s ease; min-height: 170px;
}
.industry-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.industry-icon {
  width: 72px; height: 72px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--hw-red), #315f9e);
  color: #fff; font-size: 30px; font-weight: 800;
}
.industry-item h3 { font-size: 21px; margin-bottom: 8px; }
.industry-item p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }

/* ===== CTA（带图） ===== */
.cta { position: relative; color: #fff; text-align: center; padding: var(--space-xxl) 0; overflow: hidden; background:#0a0a0a; }
.cta-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.4; z-index: 0; }
.cta::before { content:''; position:absolute; inset:0; z-index:1; background: linear-gradient(90deg, rgba(168,11,36,0.85), rgba(206,14,45,0.7)); }
.cta .container { position: relative; z-index: 2; }
.cta h2 { font-size: 32px; font-weight: 700; margin-bottom: var(--space-sm); }
.cta p { font-size: 16px; opacity: 0.92; margin-bottom: var(--space-lg); }
.cta .btn-outline { background: #fff; color: var(--hw-red); border: none; }
.cta .btn-outline:hover { background: rgba(255,255,255,0.9); color: var(--hw-red-hover); }

/* ===== Footer ===== */
.footer { background: #1f2329; color: rgba(255,255,255,0.78); padding: var(--space-xl) 0 var(--space-lg); }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); margin-bottom: var(--space-xl); }
.footer-brand h4 { font-size: 20px; color: #fff; margin-bottom: var(--space-md); }
.footer-brand p { font-size: 15px; color: rgba(255,255,255,0.68); line-height: 1.9; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: var(--text-primary); margin-bottom: var(--space-md); }
.footer-col h4 { color: #fff; }
.footer-col a, .footer-col li { display: block; font-size: 15px; color: rgba(255,255,255,0.68); margin-bottom: 10px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { text-align: center; font-size: 15px; color: rgba(255,255,255,0.45); border-top: 1px solid rgba(255,255,255,0.12); padding-top: var(--space-lg); }
.footer-bottom a { color: rgba(255,255,255,0.62); }
.footer-bottom a:hover { color: #fff; }

/* ===== 页面横幅（子页，带图） ===== */
.page-hero {
  margin-top: 56px; color: var(--text-primary); padding: 110px 0; text-align: center;
  position: relative; overflow: hidden; background: #f8fcff;
  min-height: 390px; display: flex; align-items: center;
}
.page-hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.96; z-index: 0; }
.page-hero::before { content:''; position:absolute; inset:0; z-index:1; background: linear-gradient(100deg, rgba(255,255,255,0.92), rgba(248,252,255,0.72), rgba(238,248,255,0.28)); }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: 48px; font-weight: 700; margin-bottom: var(--space-md); }
.page-hero p { font-size: 16px; color: var(--text-secondary); max-width: 680px; margin: 0 auto; }
.page-hero-sub {
  display: inline-flex; flex-direction: column; gap: 4px;
  max-width: 860px; padding: 12px 22px; border-radius: var(--radius-card);
  background: rgba(255,255,255,0.52); border: 1px solid rgba(255,255,255,0.78);
  backdrop-filter: blur(8px);
}
.page-hero-sub span { display: block; color: var(--text-secondary); line-height: 1.7; }

/* ===== 关于页 ===== */
.about-split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-xl); align-items: center; }
.about-split .about-img { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); aspect-ratio: 4/3; }
.about-split .about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-split p { font-size: 15px; line-height: 2; color: var(--text-secondary); }
.about-split strong { color: var(--text-primary); }

.service-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--space-xl); align-items: stretch; }
.service-copy, .service-card {
  background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light);
}
.service-copy { padding: var(--space-xl); border-left: 4px solid var(--hw-red); }
.service-copy h3 { font-size: 24px; margin-bottom: var(--space-md); }
.check-list { display: grid; gap: 10px; }
.check-list li {
  position: relative; padding-left: 26px; font-size: 15px; line-height: 1.8; color: var(--text-secondary);
}
.check-list li::before {
  content: ''; position: absolute; left: 0; top: 10px; width: 8px; height: 8px;
  background: var(--hw-red); border-radius: 50%;
}
.service-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.service-card { padding: var(--space-lg); background: #f8fafc; }
.service-card h4 { font-size: 18px; color: var(--text-primary); margin-bottom: var(--space-sm); }
.service-card p { font-size: 15px; line-height: 1.8; color: var(--text-secondary); }

.service-board {
  display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--space-xl);
  align-items: stretch;
}
.service-lead {
  background:
    linear-gradient(135deg, rgba(255,240,242,0.92), rgba(232,244,255,0.98)),
    #f8fcff;
  color: var(--text-primary); border-radius: var(--radius-card); padding: var(--space-xl);
  box-shadow: var(--shadow-card); min-height: 310px;
  display: flex; flex-direction: column; justify-content: center;
  border: 1px solid rgba(206,14,45,0.12); border-left: 4px solid var(--hw-red);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-lead:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(206,14,45,0.22); }
.service-lead span { font-size: 15px; color: var(--hw-red); font-weight: 700; margin-bottom: var(--space-sm); }
.service-lead h3 { font-size: 28px; line-height: 1.25; margin-bottom: var(--space-md); }
.service-lead p { font-size: 16px; line-height: 1.9; color: var(--text-secondary); }
.service-pill-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
.service-pill-grid div {
  background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-card);
  padding: var(--space-lg); box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-pill-grid div:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(206,14,45,0.18); }
.service-pill-grid strong { display: block; font-size: 18px; margin-bottom: 6px; color: var(--text-primary); }
.service-pill-grid p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }
.service-lanes {
  grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg);
}
.service-lanes div {
  background: #f8fafc; border-left: 4px solid var(--hw-red);
  border-radius: var(--radius-card); padding: var(--space-lg); box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.service-lanes div:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); background: #fff; }
.service-lanes h4 { font-size: 18px; margin-bottom: var(--space-sm); }
.service-lanes p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }
.material-preview {
  margin-top: var(--space-lg); background: #fff; border-radius: var(--radius-card);
  box-shadow: var(--shadow-card); border: 1px solid var(--border-light);
  padding: var(--space-md); overflow: hidden;
}
.material-preview img { width: 100%; border-radius: var(--radius-img); object-fit: contain; }

.process-timeline {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-lg);
  position: relative;
}
.process-item {
  background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light); padding: var(--space-lg); min-height: 220px;
}
.process-item span {
  display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--hw-red-light); color: var(--hw-red);
  font-size: 20px; font-weight: 700; margin-bottom: var(--space-md);
}
.process-item h3 { font-size: 18px; margin-bottom: var(--space-sm); }
.process-item p { font-size: 15px; line-height: 1.8; color: var(--text-secondary); }
.quality-strip {
  margin-top: var(--space-lg); display: flex; gap: var(--space-sm); align-items: center; flex-wrap: wrap;
  background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  padding: var(--space-md) var(--space-lg); border-left: 4px solid var(--hw-red);
}
.quality-strip strong { font-size: 18px; margin-right: var(--space-sm); }
.quality-strip span {
  display: inline-flex; align-items: center; min-height: 32px; padding: 5px 12px;
  border-radius: var(--radius-pill); background: var(--bg-page); font-size: 15px; color: var(--text-secondary);
}

.implementation-board { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-lg); }
.implementation-card {
  background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light); overflow: hidden; transition: all .25s ease;
}
.implementation-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.implementation-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.implementation-card div { padding: var(--space-lg); }
.implementation-card span {
  display: inline-flex; width: 42px; height: 42px; border-radius: 50%;
  align-items: center; justify-content: center; background: var(--hw-red-light);
  color: var(--hw-red); font-weight: 700; margin-bottom: var(--space-sm);
}
.implementation-card h3 { font-size: 18px; margin-bottom: 6px; }
.implementation-card p { font-size: 15px; line-height: 1.75; color: var(--text-secondary); }

.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.culture-item {
  background: #fff; border-radius: var(--radius-card); padding: var(--space-xl) var(--space-lg);
  box-shadow: var(--shadow-card); border-top: 3px solid var(--hw-red);
  transition: transform .25s ease, box-shadow .25s ease;
}
.culture-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.culture-item h4 { font-size: 18px; color: var(--hw-red); margin-bottom: var(--space-sm); }
.culture-item p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }

.honor-tabs { display: flex; justify-content: center; gap: var(--space-sm); flex-wrap: wrap; margin-bottom: var(--space-lg); }
.honor-tabs button, .honor-pager button {
  border: 1px solid var(--border); background: #fff; border-radius: var(--radius-btn);
  padding: 8px 18px; font-size: 15px; cursor: pointer; color: var(--text-primary);
}
.honor-tabs button.active { background: var(--hw-red); color: #fff; border-color: var(--hw-red); }
.honor-pager { display: flex; align-items: center; justify-content: center; gap: var(--space-md); margin-top: var(--space-lg); font-size: 15px; }
.honor-pager button:disabled { opacity: 0.45; cursor: not-allowed; }
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); min-height: 860px; }
.honor-item {
  background: #fff; border-radius: var(--radius-card); overflow: hidden;
  box-shadow: var(--shadow-card); text-align: center; font-size: 15px;
  transition: all 0.25s ease; display: flex; flex-direction: column;
}
.honor-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.honor-item img { width: 100%; height: 280px; object-fit: contain; object-position: center; background: #fff; padding: 16px; }
.honor-item span { padding: 14px var(--space-sm); color: var(--text-primary); font-weight: 600; line-height: 1.5; }
.jobs-table { width: 100%; background: #fff; border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); border-collapse: collapse; }
.jobs-table th, .jobs-table td { padding: 16px var(--space-lg); text-align: left; font-size: 15px; border-bottom: 1px solid var(--border-light); }
.jobs-table th { background: #fafafa; color: var(--text-secondary); font-weight: 600; }
.jobs-table td .salary { color: var(--hw-red); font-weight: 600; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
.contact-info .contact-row { display: flex; align-items: flex-start; gap: var(--space-md); margin-bottom: var(--space-lg); }
.contact-info .ci-icon { font-size: 22px; color: var(--hw-red); width: 32px; }
.contact-info .ci-label { font-size: 15px; color: var(--text-tertiary); }
.contact-info .ci-val { font-size: 16px; color: var(--text-primary); font-weight: 500; }
.map-card {
  margin-top: var(--space-lg); overflow: hidden; border-radius: var(--radius-card);
  background: #fff; border: 1px solid var(--border-light); box-shadow: var(--shadow-card);
}
.map-static-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; background: #f5f9ff; }
.map-card-body {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-md);
  padding: var(--space-lg);
}
.map-card-body strong { font-size: 17px; color: var(--text-primary); }
.map-card-body p { margin-top: 4px; font-size: 15px; color: var(--text-secondary); line-height: 1.7; }
.map-link { flex: 0 0 auto; padding-left: 20px; padding-right: 20px; }

.form-card { background: #fff; border-radius: var(--radius-card); padding: var(--space-xl); box-shadow: var(--shadow-card); }
.form-group { margin-bottom: var(--space-md); }
.form-group label { display: block; font-size: 15px; color: var(--text-secondary); margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: var(--radius-img);
  font-size: 15px; font-family: var(--font); transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--hw-red); }
.form-group textarea { min-height: 110px; resize: vertical; }

/* ===== 产品详情页 ===== */
.pd-hero { margin-top: 56px; position: relative; overflow: hidden; background:#f8fcff; color:var(--text-primary); min-height: 460px; }
.pd-hero-bg { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:0.96; z-index:0; }
.pd-hero::before { content:''; position:absolute; inset:0; z-index:1; background: linear-gradient(100deg, rgba(255,255,255,0.93) 0%, rgba(248,252,255,0.74) 52%, rgba(238,248,255,0.3) 100%); }

#contact { scroll-margin-top: 128px; }
.pd-hero .container {
  position: relative; z-index: 2; padding-top: 110px; padding-bottom: 110px;
  min-height: 460px; display: flex; flex-direction: column; justify-content: center;
}
.pd-breadcrumb { font-size: 15px; color: var(--text-secondary); margin-bottom: var(--space-md); }
.pd-breadcrumb a:hover { color: var(--hw-red); }
.pd-hero h1 { font-size: 50px; font-weight: 700; line-height: 1.15; margin-bottom: var(--space-sm); max-width: 760px; }
.pd-hero h1 { max-width: none; white-space: nowrap; }
.pd-hero .pd-sub { font-size: 18px; color: var(--text-secondary); }

.pd-anchor-nav {
  position: sticky; top: 56px; z-index: 450;
  background: rgba(255,255,255,0.96); border-bottom: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
}
.pd-anchor-nav .container {
  height: 56px; display: flex; align-items: center; justify-content: center;
  gap: 42px; overflow-x: auto;
}
.pd-anchor-nav a {
  position: relative; display: flex; align-items: center; height: 100%;
  white-space: nowrap; font-size: 16px; color: var(--text-secondary); font-weight: 500;
}
.pd-anchor-nav a:hover { color: var(--hw-red); }
.pd-anchor-nav a::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--hw-red); transition: width .25s ease;
}
.pd-anchor-nav a:hover::after { width: 100%; }

.pd-body { background: #fff; }
.pd-body-layout {
  display: grid; grid-template-columns: 270px minmax(0, 1fr);
  gap: var(--space-xl); align-items: start;
}
.pd-body-main { min-width: 0; }
.pd-body-main > .section:first-child { padding-top: var(--space-xl); }
.product-side-nav {
  position: sticky; top: 84px; margin-top: var(--space-xl);
  width: 270px; max-height: calc(100vh - 108px); overflow-y: auto;
  z-index: 20; background: rgba(255,255,255,0.98);
  border: 1px solid var(--border-light); border-left: 4px solid var(--hw-red);
  border-radius: var(--radius-card); box-shadow: var(--shadow-card);
}
.product-side-title {
  padding: 16px 18px; font-size: 20px; font-weight: 700;
  color: var(--text-primary); border-bottom: 1px solid var(--border-light);
}
.product-side-group-title {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 13px 18px; font-size: 17px; font-weight: 700;
  color: var(--text-primary); background: #fafafa; border: none; cursor: pointer;
  border-bottom: 1px solid var(--border-light);
  font-family: var(--font); text-align: left;
}
.product-side-group-title span { color: var(--hw-red); font-size: 20px; line-height: 1; }
.product-side-group.open .product-side-group-title span { transform: rotate(45deg); }
.product-side-links { display: none; border-bottom: 1px solid var(--border-light); }
.product-side-group.open .product-side-links { display: grid; }
.product-side-group:last-child .product-side-links { border-bottom: none; }
.product-side-link {
  display: block; padding: 10px 18px 10px 32px; font-size: 15px;
  line-height: 1.5; color: var(--text-secondary);
  border-bottom: 1px solid rgba(229,229,229,0.6);
}
.product-side-link:last-child { border-bottom: none; }
.product-side-link:hover, .product-side-link.active {
  color: var(--hw-red); background: var(--hw-red-light); font-weight: 700;
}

.pd-intro { background:#fff; }
.pd-intro .container { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); max-width: 900px; }
.pd-intro h2 { font-size: 26px; font-weight: 600; }
.pd-intro h2::before { content:''; display:inline-block; width:4px; height:22px; background: var(--hw-red); margin-right: 12px; vertical-align: -3px; border-radius: 2px; }
.pd-intro p { font-size: 16px; line-height: 2; color: var(--text-secondary); }

.pd-detail-visual-section { background: #fff; padding: 0 0 var(--space-xxl); }
.pd-detail-visual {
  background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light); padding: var(--space-lg); overflow: hidden;
}
.pd-detail-visual img { width: 100%; max-height: 620px; object-fit: contain; border-radius: var(--radius-img); }

.pd-structured-section { background: var(--bg-page); }
.structured-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.structured-card {
  background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light); padding: var(--space-xl);
  position: relative; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.structured-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(206,14,45,0.18); }
.structured-card::before {
  content: ''; position: absolute; left: 0; top: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--hw-red), #315f9e);
}
.structured-card h3 { font-size: 22px; margin-bottom: var(--space-sm); color: var(--text-primary); }
.structured-card p { font-size: 15px; line-height: 1.9; color: var(--text-secondary); margin-bottom: var(--space-md); }
.structured-card ul { display: grid; gap: 10px; }
.structured-card li {
  position: relative; padding-left: 22px; font-size: 15px; color: var(--text-primary); line-height: 1.7;
}
.structured-card li::before {
  content: ''; position: absolute; left: 0; top: 10px; width: 7px; height: 7px;
  border-radius: 50%; background: var(--hw-red);
}
.pd-product-master .structured-card-audience {
  grid-column: 1 / -1;
}
.pd-product-master .structured-card-audience ul {
  grid-template-columns: 1fr;
}
.pd-product-master .structured-card-audience li {
  white-space: nowrap;
}

.pd-feature-section { background: var(--bg-page); }
.pd-feature-layout {
  display: grid; grid-template-columns: 0.85fr 1.35fr; gap: var(--space-xl);
  align-items: center;
}
.pd-feature-copy {
  position: static;
  background: #fff; border-radius: var(--radius-card); padding: var(--space-xl);
  box-shadow: var(--shadow-card); border-left: 4px solid var(--hw-red);
}
.pd-feature-copy h2 { font-size: 30px; font-weight: 700; margin-bottom: var(--space-md); }
.pd-feature-copy p { font-size: 16px; color: var(--text-secondary); line-height: 1.9; }
.pd-features {
  display: grid; gap: 0; background: #fff; border-radius: var(--radius-card);
  box-shadow: var(--shadow-card); overflow: hidden; border: 1px solid var(--border-light);
}
.pd-features li {
  display: grid; grid-template-columns: 56px 1fr; gap: var(--space-md);
  padding: 22px var(--space-lg); border-bottom: 1px solid var(--border-light);
  transition: transform .25s ease, background .25s ease;
}
.pd-features li:hover { transform: translateY(-2px); background: #fff8f9; }
.pd-features li:last-child { border-bottom: none; }
.pd-features .pdf-icon {
  width: 44px; height: 44px; border-radius: var(--radius-img);
  background: var(--hw-red-light); color: var(--hw-red);
  display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.pd-features h4 { font-size: 18px; font-weight: 700; margin-bottom: 6px; color: var(--text-primary); }
.pd-features p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }

.pd-value-section { overflow: hidden; }
.pd-value-layout {
  display: grid; grid-template-columns: 0.95fr 1.05fr; gap: var(--space-xl);
  align-items: center;
}
.pd-value-layout-text { grid-template-columns: 1fr; max-width: 980px; margin: 0 auto; }
.pd-value-layout-wide {
  grid-template-columns: minmax(560px, 1.2fr) minmax(360px, 0.8fr);
}
.pd-value-layout-wide .pd-values {
  grid-template-columns: repeat(2, minmax(260px, 1fr));
}
.pd-value-layout-wide .pd-values li {
  white-space: nowrap;
}
.pd-value-copy h2 { font-size: 34px; font-weight: 700; margin-bottom: var(--space-md); }
.pd-value-copy p { font-size: 16px; line-height: 1.9; color: var(--text-secondary); margin-bottom: var(--space-lg); }
.pd-values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.pd-values li {
  position: relative; background: var(--bg-page); border-radius: var(--radius-card);
  padding: 14px 18px 14px 42px; font-size: 15px; font-weight: 600; color: var(--text-primary);
}
.pd-values li::before {
  content:'✓'; position:absolute; left:16px; top:14px;
  color: var(--hw-red); font-weight: 700;
}
.pd-value-visual {
  position: relative; min-height: 360px; border-radius: var(--radius-card);
  overflow: hidden; box-shadow: var(--shadow-hover); background: #111;
}
.pd-value-visual img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; opacity: 0.84; }

.pd-video-section { background:#fff; }
.pd-video-card { background:#000; border-radius: var(--radius-card); overflow:hidden; box-shadow: var(--shadow-card); }
.pd-video-card video { width: 100%; display:block; aspect-ratio: 16 / 9; background:#000; }

.pd-workflow-section { background: var(--bg-page); }
.workflow-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: var(--space-lg); }
.workflow-step {
  position: relative; background: #fff; border-radius: var(--radius-card);
  box-shadow: var(--shadow-card); padding: var(--space-xl) var(--space-lg);
  border-top: 3px solid var(--hw-red);
  transition: transform .25s ease, box-shadow .25s ease;
}
.workflow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.workflow-index {
  font-size: 34px; line-height: 1; font-weight: 700; color: var(--hw-red);
  margin-bottom: var(--space-md);
}
.workflow-step h3 { font-size: 19px; margin-bottom: var(--space-sm); }
.workflow-step p { font-size: 15px; line-height: 1.8; color: var(--text-secondary); }

.pd-spec-section { background: #fff; }
.pd-spec-layout {
  display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--space-xl); align-items: start;
}
.pd-spec-copy {
  background: var(--bg-page); border-radius: var(--radius-card); padding: var(--space-xl);
  border-left: 4px solid var(--hw-red);
}
.pd-spec-copy h2 { font-size: 30px; margin-bottom: var(--space-md); }
.pd-spec-copy p { font-size: 16px; line-height: 1.9; color: var(--text-secondary); }
.pd-spec-centered .pd-spec-layout { grid-template-columns: 1fr; }
.pd-spec-centered .pd-spec-copy { text-align: center; border-left: none; border-top: 4px solid var(--hw-red); }
.pd-spec-centered .pd-spec-copy { max-width: 760px; margin: 0 auto; }
.spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.spec-card {
  background: var(--bg-page); border-radius: var(--radius-card); padding: var(--space-lg);
  border: 1px solid var(--border-light);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
}
.spec-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(206,14,45,0.18); background: #fff; }
.spec-card h3 { font-size: 18px; margin-bottom: var(--space-sm); color: var(--text-primary); }
.spec-card p { font-size: 15px; line-height: 1.8; color: var(--text-secondary); }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }

.job-carousel {
  position: relative; display: grid; grid-template-columns: 54px 1fr 54px;
  gap: var(--space-md); align-items: center;
}
.job-viewport { overflow: hidden; border-radius: var(--radius-card); }
.job-list {
  display: flex; gap: 0; transition: transform .35s ease;
  will-change: transform;
}
.job-card {
  flex: 0 0 100%;
  background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  overflow: hidden; border: 1px solid var(--border-light);
}
.job-head {
  background: linear-gradient(90deg, #0f6fbf 0%, #176fb5 100%);
  color: #fff; display: flex; justify-content: space-between; align-items: center;
  gap: var(--space-lg); padding: 18px var(--space-lg);
}
.job-head h3 { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.job-head p { font-size: 15px; opacity: 0.9; }
.job-head .salary { font-size: 18px; font-weight: 700; color: #fff; white-space: nowrap; }
.resume-mail { margin-top: var(--space-md); }
.job-action { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.job-apply {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 32px; padding: 0 14px; border-radius: 999px;
  background: rgba(255,255,255,0.16); color: #fff;
  border: 1px solid rgba(255,255,255,0.42); font-size: 15px; font-weight: 600;
}
.job-apply:hover { background: #fff; color: var(--hw-red); border-color: #fff; }
.job-body {
  padding: var(--space-xl) var(--space-lg);
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr) 16em; gap: var(--space-lg);
}
.job-body h4 { font-size: 16px; margin-bottom: 8px; color: var(--text-primary); }
.job-body ol { padding-left: 1.5em; }
.job-body li, .job-body p {
  color: var(--text-secondary); line-height: 1.8;
  text-align: justify; text-align-last: left; text-justify: inter-ideograph;
  text-wrap: pretty; word-break: normal; overflow-wrap: break-word;
}
.job-body li { margin-bottom: 6px; padding-left: 2px; }

@media (min-width: 769px) and (max-width: 1100px) {
  .job-body { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .job-body > div:last-child { grid-column: 1 / -1; }
}
.job-nav {
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--border);
  background: #fff; color: var(--text-primary); font-size: 34px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: var(--shadow-card); transition: all .2s ease;
}
.job-nav:hover { border-color: var(--hw-red); color: var(--hw-red); transform: translateY(-2px); }
.job-dots {
  grid-column: 1 / -1; display: flex; justify-content: center;
  gap: 10px; margin-top: var(--space-sm);
}
.job-dot {
  width: 10px; height: 10px; border-radius: 50%; border: none;
  background: #d0d7de; cursor: pointer; transition: all .2s ease;
}
.job-dot.active { width: 28px; border-radius: 999px; background: var(--hw-red); }

.back-to-top {
  position: fixed; right: 24px; bottom: 28px; z-index: 900;
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 42px; padding: 0 16px; border: 1px solid var(--border);
  border-radius: 999px; background: rgba(255,255,255,0.94);
  color: var(--text-primary); font-size: 15px; font-weight: 600;
  box-shadow: var(--shadow-card); cursor: pointer;
  opacity: 0; transform: translateY(12px); pointer-events: none;
  transition: all .22s ease; backdrop-filter: blur(10px);
}
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { color: var(--hw-red); border-color: var(--hw-red); box-shadow: var(--shadow-hover); }
.back-to-top span { font-size: 18px; line-height: 1; }

.floating-contact {
  position: fixed; right: 0; top: 50%; transform: translateY(-50%);
  z-index: 910; display: inline-flex; align-items: center; justify-content: center;
  width: 46px; min-height: 128px; padding: 14px 10px;
  border: none; border-radius: 8px 0 0 8px;
  background: linear-gradient(180deg, var(--hw-red), var(--hw-red-hover));
  color: #fff; box-shadow: 0 10px 28px rgba(168,11,36,0.28);
  cursor: pointer; transition: width .2s ease, box-shadow .2s ease;
}
.floating-contact span {
  writing-mode: vertical-rl; letter-spacing: 2px;
  font-size: 16px; font-weight: 700; line-height: 1.2;
}
.floating-contact:hover {
  width: 52px; box-shadow: 0 14px 34px rgba(168,11,36,0.36);
}

/* ===== 响应式 ===== */
@media (max-width: 1179px) {
  .pd-body-layout { grid-template-columns: 1fr; gap: 0; }
  .product-side-nav {
    position: static; width: auto; max-height: none; margin: var(--space-lg) 0 0;
  }
  .product-side-links { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .featured-product-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-stages, .solution-features { grid-template-columns: 1fr; }
  .pd-value-layout, .pd-spec-layout, .service-layout, .service-board { grid-template-columns: 1fr; }
  .workflow-grid, .process-timeline, .implementation-board { grid-template-columns: repeat(2, 1fr); }
  .service-cards, .spec-grid, .service-lanes, .service-pill-grid { grid-template-columns: 1fr; }
  .structured-grid { grid-template-columns: 1fr; }
  .adv-grid, .adv-text-grid { grid-template-columns: repeat(3, 1fr); }
  .honor-grid, .logo-wall, .client-wall, .related-grid { grid-template-columns: repeat(3, 1fr); }
  .industry-cover { grid-template-columns: repeat(2, 1fr); }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
}
@media (max-width: 768px) {
  .nav, .header-phone { display: none; }
  .menu-toggle { display: block; }
  .search-input { width: 160px; }
  .search-input:focus { width: 200px; }
  .search-results { width: 260px; }
  .nav.open {
    display: flex; flex-direction: column; position: absolute; top: 56px; left: 0; width: 100%;
    background: #fff; padding: var(--space-md) var(--space-lg); box-shadow: var(--shadow-header); gap: var(--space-md);
    align-items: stretch;
  }
  .nav.open > .nav-link { width: 100%; padding: 8px 0; }
  .hero h1 { font-size: 34px; }
  .hero { min-height: 520px; }
  .page-hero { min-height: 320px; padding: 88px 0; }
  .pd-hero, .pd-hero .container { min-height: 360px; }
  .pd-hero .container { padding-top: 88px; padding-bottom: 88px; }
  .pd-anchor-nav, .cat-nav { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .featured-product-grid { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  .solution-stages, .solution-features { grid-template-columns: 1fr; }
  .pd-value-layout, .pd-spec-layout, .workflow-grid, .service-layout, .service-board, .service-cards, .process-timeline, .implementation-board, .spec-grid, .pd-values, .structured-grid, .service-lanes, .service-pill-grid { grid-template-columns: 1fr; }
  .adv-grid, .adv-text-grid { grid-template-columns: 1fr; }
  .adv-text-card { min-height: auto; padding: var(--space-md); }
  .adv-text-card p { line-height: 1.65; margin-top: var(--space-sm); overflow-wrap: anywhere; word-break: break-all; }
  .section-head .single-line-desc { white-space: normal; }
  .culture-grid, .honor-grid, .logo-wall, .client-wall, .industry-cover, .contact-grid, .related-grid, .about-split, .pd-feature-layout { grid-template-columns: 1fr; }
  .industry-item { grid-template-columns: 58px 1fr; padding: var(--space-lg); }
  .industry-icon { width: 58px; height: 58px; font-size: 24px; border-radius: 14px; }
  .pd-feature-copy { position: static; }
  .pd-product-master .structured-card-audience ul,
  .pd-value-layout-wide .pd-values { grid-template-columns: 1fr; }
  .pd-product-master .structured-card-audience li,
  .pd-value-layout-wide .pd-values li { white-space: normal; }
  .job-carousel { grid-template-columns: 42px 1fr 42px; gap: var(--space-sm); }
  .job-nav { width: 38px; height: 38px; font-size: 28px; }
  .job-head { flex-direction: column; align-items: flex-start; }
  .job-action { align-items: flex-start; }
  .job-body { grid-template-columns: 1fr; }
  .product-side-links { grid-template-columns: 1fr; }
  .floating-contact { width: 42px; min-height: 112px; }
  .floating-contact span { font-size: 15px; }
  .back-to-top { right: 14px; bottom: 18px; padding: 0 12px; }
  .section { padding: var(--space-xl) 0; }
  .section-head h2 { font-size: 26px; }
  .page-hero h1, .pd-hero h1 { font-size: 30px; }
  .pd-hero h1 { white-space: normal; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
  .footer-contact { display: block; }
  .footer-contact li { margin-bottom: 10px; white-space: normal; font-size: 15px; }
  .footer-bottom { font-size: 13px; line-height: 1.7; }
  .map-card-body { flex-direction: column; align-items: flex-start; }
  .cta h2 { font-size: 24px; white-space: nowrap; }
  #pd-related { display: none; }
}

/* Toast 提示框样式 */
.toast-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  padding: 14px 24px;
  border-radius: var(--radius-card, 12px);
  background: #fff;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary, #1A1A1A);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  max-width: min(480px, calc(100vw - 40px));
}
.toast-icon {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: bold;
  color: #fff;
}
.toast-icon.success { background: #22c55e; }
.toast-icon.error { background: #ef4444; }
.toast-icon.warning { background: #f59e0b; }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
  from { opacity: 1; }
  to { opacity: 0; transform: translateY(-10px); }
}
@media (max-width: 768px) {
  .toast-container { top: 10px; width: calc(100vw - 20px); }
  .toast { padding: 12px 16px; font-size: 14px; }
}