/* ========== 山东易云网络 · 潍坊网络推广 - 墨绿暖金主题 ==========
   差异化目标：与主站深蓝/科技风明显区分；本地企业商务温润气质。
   颜色：深墨绿 + 暖金 + 米白 + 木炭黑。
*/
:root {
  /* 主色：深墨绿 */
  --primary: #115e59;
  --primary-dark: #0f4f4a;
  --primary-darker: #042f2e;
  --primary-light: #ccfbf1;
  --primary-light-bg: #f0fdfa;
  /* 辅色：暖金/赤陶 */
  --accent: #d97706;
  --accent-dark: #b45309;
  --accent-light: #fef3c7;
  /* 文字 */
  --text: #1c1917;
  --text-secondary: #57534e;
  --text-muted: #78716c;
  /* 背景 */
  --bg: #ffffff;
  --bg-alt: #fafaf7;
  --bg-warm: #faf6ee;
  --border: #e7e5e4;
  --border-strong: #d6d3d1;
  /* 阴影 */
  --shadow: 0 1px 3px rgba(15, 79, 74, .08);
  --shadow-md: 0 4px 14px rgba(15, 79, 74, .10);
  --shadow-hover: 0 12px 30px rgba(15, 79, 74, .15);
  --shadow-warm: 0 8px 28px rgba(217, 119, 6, .18);
  /* 形状 */
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --max-width: 1180px;
  --header-h: 64px;
  --transition: .25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 0;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ========== Header ========== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}
.site-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.18rem; font-weight: 700; color: var(--text);
}
.site-logo:hover { color: var(--primary); }
.logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(145deg, var(--primary) 0%, var(--primary-darker) 100%);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.08rem; font-weight: 800;
  box-shadow: 0 4px 12px rgba(17, 94, 89, .35);
  position: relative;
}
.logo-icon::after {
  content: ''; position: absolute; right: -3px; bottom: -3px;
  width: 10px; height: 10px; background: var(--accent);
  border-radius: 50%; border: 2px solid #fff;
}
.logo-slogan { font-size: .7rem; font-weight: 400; color: var(--text-secondary); margin-left: 6px; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 14px; border-radius: var(--radius-sm);
  font-size: .92rem; color: var(--text-secondary); font-weight: 500;
  transition: background var(--transition), color var(--transition);
  position: relative;
}
.main-nav a:hover, .main-nav a.active {
  background: var(--primary-light); color: var(--primary-dark);
}
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark)) !important;
  color: #fff !important;
  padding: 9px 20px !important;
  margin-left: 6px;
}
.nav-cta:hover {
  background: var(--accent-dark) !important;
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(217, 119, 6, .4);
  transform: translateY(-1px);
}
.menu-toggle {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; color: var(--text);
}
.menu-toggle svg { width: 24px; height: 24px; }

/* ========== Hero ========== */
.hero {
  background:
    radial-gradient(ellipse 80% 60% at 80% 0%, rgba(217, 119, 6, .14) 0%, transparent 55%),
    radial-gradient(ellipse 60% 60% at 10% 100%, rgba(204, 251, 241, .15) 0%, transparent 50%),
    linear-gradient(135deg, var(--primary-darker) 0%, var(--primary-dark) 50%, var(--primary) 100%);
  color: #fff; padding: 78px 0 90px; text-align: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 30%, transparent 80%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .85rem; padding: 7px 16px;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 30px; color: #fff;
  margin-bottom: 18px; backdrop-filter: blur(6px);
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px; background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, .3);
}
.hero h1, .hero .hero-title {
  font-size: clamp(1.8rem, 5vw, 3rem);
  margin-bottom: 18px; font-weight: 800;
  letter-spacing: -0.02em; line-height: 1.2;
}
.hero .hero-title em {
  font-style: normal; color: var(--accent-light);
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p { font-size: 1.05rem; opacity: .92; max-width: 720px; margin: 0 auto 28px; line-height: 1.85; }
.hero-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-top: 32px; }
.hero-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 30px;
  font-weight: 600; font-size: .98rem; transition: all var(--transition);
}
.hero-btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 6px 20px rgba(217, 119, 6, .4);
}
.hero-btn-primary:hover {
  background: var(--accent-dark); color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(217, 119, 6, .5);
}
.hero-btn-secondary {
  background: rgba(255, 255, 255, .12); color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .4);
  backdrop-filter: blur(6px);
}
.hero-btn-secondary:hover {
  background: rgba(255, 255, 255, .22); border-color: rgba(255, 255, 255, .8);
  transform: translateY(-2px);
}
.hero-stats {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 36px;
  margin-top: 40px; padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, .15);
  max-width: 720px; margin-left: auto; margin-right: auto;
}
.hero-stat { text-align: center; }
.hero-stat strong { display: block; font-size: 1.6rem; font-weight: 800; color: #fff; }
.hero-stat span { font-size: .82rem; opacity: .82; }

/* ========== Section ========== */
.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); }
.section-warm { background: var(--bg-warm); }
.section-title {
  font-size: clamp(1.5rem, 3vw, 1.95rem); font-weight: 700;
  text-align: center; margin-bottom: 12px;
  color: var(--text); letter-spacing: -0.01em;
}
.section-title em {
  font-style: normal; color: var(--primary);
  position: relative;
}
.section-title em::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 8px; background: var(--accent-light); z-index: -1;
  border-radius: 4px; opacity: .7;
}
.section-subtitle {
  text-align: center; color: var(--text-secondary);
  margin-bottom: 40px; font-size: 1rem; max-width: 640px;
  margin-left: auto; margin-right: auto;
}
.section-eyebrow {
  text-align: center; font-size: .82rem; font-weight: 600;
  color: var(--accent-dark); letter-spacing: .14em;
  text-transform: uppercase; margin-bottom: 10px;
}

/* ========== Service Cards ========== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.cat-card {
  display: flex; flex-direction: column; align-items: flex-start;
  padding: 28px 24px; border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: left; transition: all var(--transition);
  background: var(--bg); color: var(--text);
  position: relative; overflow: hidden;
}
.cat-card::before {
  content: ''; position: absolute; left: 0; top: 0;
  width: 4px; height: 0; background: var(--accent);
  transition: height var(--transition);
}
.cat-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.cat-card:hover::before { height: 100%; }
a.cat-card { text-decoration: none; color: inherit; }
.cat-card .cat-icon {
  font-size: 1.6rem; margin-bottom: 16px; line-height: 1;
  width: 52px; height: 52px;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.cat-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.cat-card p { font-size: .9rem; color: var(--text-secondary); margin-top: 4px; line-height: 1.7; }

/* ========== Comparison module ========== */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 20px;
  align-items: stretch;
  max-width: 980px; margin: 0 auto;
}
.compare-col {
  padding: 32px 28px; border-radius: var(--radius);
  background: var(--bg); border: 1px solid var(--border);
}
.compare-col-bad { border-color: var(--border-strong); background: var(--bg-alt); }
.compare-col-good {
  border: 1.5px solid var(--primary);
  background: linear-gradient(180deg, var(--primary-light-bg), #fff);
  box-shadow: var(--shadow-md);
  position: relative;
}
.compare-col-good::after {
  content: '推荐'; position: absolute; top: -10px; right: 20px;
  background: var(--accent); color: #fff;
  font-size: .72rem; font-weight: 600;
  padding: 4px 12px; border-radius: 20px;
  box-shadow: 0 4px 12px rgba(217, 119, 6, .35);
}
.compare-col h3 {
  font-size: 1.12rem; margin-bottom: 6px;
  color: var(--text);
}
.compare-col-good h3 { color: var(--primary-dark); }
.compare-col p.compare-tag {
  font-size: .8rem; color: var(--text-muted); margin-bottom: 18px;
  padding-bottom: 14px; border-bottom: 1px dashed var(--border);
}
.compare-list li {
  position: relative; padding: 8px 0 8px 28px;
  font-size: .92rem; color: var(--text);
  line-height: 1.7;
}
.compare-col-bad .compare-list li::before {
  content: '×'; position: absolute; left: 4px; top: 8px;
  width: 18px; height: 18px; background: #f3e8e8;
  color: #b91c1c; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem; line-height: 1;
}
.compare-col-good .compare-list li::before {
  content: '✓'; position: absolute; left: 4px; top: 8px;
  width: 18px; height: 18px; background: var(--primary-light);
  color: var(--primary-dark); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .8rem; line-height: 1;
}
.compare-vs {
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: var(--accent);
  letter-spacing: .04em;
}

/* ========== Service Flow ========== */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  position: relative;
}
.flow-step {
  text-align: center; padding: 28px 18px 24px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative; transition: all var(--transition);
}
.flow-step:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.flow-step .flow-num {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-darker));
  color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800;
  margin: 0 auto 14px;
  box-shadow: 0 6px 18px rgba(17, 94, 89, .35);
}
.flow-step h3 { font-size: 1rem; margin-bottom: 6px; color: var(--text); }
.flow-step p { font-size: .85rem; color: var(--text-secondary); line-height: 1.7; }

/* ========== Local areas ========== */
.local-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.local-card {
  padding: 22px; border-radius: var(--radius);
  background: var(--bg); border: 1px solid var(--border);
  transition: all var(--transition);
}
.local-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.local-card .local-tag {
  display: inline-block; font-size: .72rem; font-weight: 600;
  background: var(--accent-light); color: var(--accent-dark);
  padding: 3px 10px; border-radius: 12px;
  margin-bottom: 10px;
}
.local-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.local-card h3 a { color: var(--text); }
.local-card h3 a:hover { color: var(--primary); }
.local-card p { font-size: .88rem; color: var(--text-secondary); line-height: 1.7; }

/* ========== Pricing preview cards ========== */
.price-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  max-width: 1000px; margin: 0 auto;
}
.price-preview {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px;
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.price-preview:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.price-preview-tag {
  font-size: .78rem; font-weight: 600; color: var(--accent-dark);
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px;
}
.price-preview h3 { font-size: 1.18rem; margin-bottom: 14px; color: var(--primary-dark); }
.price-preview .amount { font-size: 1.85rem; font-weight: 800; color: var(--text); }
.price-preview .unit { font-size: .85rem; color: var(--text-secondary); margin-left: 4px; }
.price-preview p.price-desc {
  font-size: .9rem; color: var(--text-secondary);
  margin: 14px 0 18px; line-height: 1.7;
  flex: 1;
}
.price-preview .btn-outline {
  display: block; text-align: center;
  padding: 10px 16px; border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  color: var(--primary-dark); font-weight: 600;
  transition: all var(--transition);
}
.price-preview .btn-outline:hover {
  background: var(--primary); color: #fff;
}
.price-preview-feature {
  border: 2px solid var(--primary);
  background: linear-gradient(180deg, var(--primary-light-bg), #fff);
  position: relative;
}
.price-preview-feature::after {
  content: '热门'; position: absolute; top: -10px; right: 20px;
  background: var(--accent); color: #fff;
  font-size: .72rem; font-weight: 600;
  padding: 4px 12px; border-radius: 20px;
  box-shadow: 0 4px 12px rgba(217, 119, 6, .35);
}
.price-preview-feature .btn-outline {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-color: transparent; color: #fff;
}
.price-preview-feature .btn-outline:hover {
  background: var(--accent-dark); color: #fff;
  box-shadow: 0 6px 18px rgba(217, 119, 6, .4);
}

/* ========== Inline FAQ on home ========== */
.home-faq { max-width: 820px; margin: 0 auto; }
.home-faq .home-faq-item {
  padding: 22px 24px; border-radius: var(--radius);
  background: var(--bg); border: 1px solid var(--border);
  margin-bottom: 14px; transition: all var(--transition);
}
.home-faq .home-faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.home-faq h3 {
  font-size: 1.02rem; margin-bottom: 8px; color: var(--text);
  position: relative; padding-left: 22px;
}
.home-faq h3::before {
  content: 'Q'; position: absolute; left: 0; top: 1px;
  font-weight: 800; color: var(--accent);
  font-size: .98rem;
}
.home-faq p {
  font-size: .92rem; color: var(--text-secondary); line-height: 1.8;
  padding-left: 22px;
}

/* ========== Page Banner ========== */
.page-banner {
  background:
    radial-gradient(ellipse 60% 80% at 90% 100%, rgba(217, 119, 6, .15) 0%, transparent 60%),
    linear-gradient(135deg, var(--primary-darker) 0%, var(--primary) 100%);
  color: #fff; padding: 56px 0; text-align: center;
  position: relative;
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 {
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 700; margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.page-banner p { opacity: .9; font-size: 1rem; }

/* ========== Breadcrumb ========== */
.breadcrumb {
  padding: 14px 0; font-size: .85rem; color: var(--text-secondary);
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--text-muted); }
.breadcrumb strong { color: var(--text); font-weight: 600; }

/* ========== Main Content ========== */
.main-content { padding: 32px 0 60px; }
.content-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 44px;
  padding: 24px 0;
}
.article-body { min-width: 0; }
.article-body h1 { font-size: 1.85rem; margin-bottom: 12px; line-height: 1.35; }
.article-body h2 {
  font-size: 1.4rem; margin: 32px 0 14px; padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-light);
}
.article-body h3 { font-size: 1.12rem; margin: 22px 0 10px; }
.article-body p { margin-bottom: 14px; }
.article-body ul, .article-body ol { margin: 12px 0 18px 22px; }
.article-body li { margin-bottom: 6px; list-style: disc; }
.article-body ol li { list-style: decimal; }
.article-meta {
  display: flex; gap: 16px; color: var(--text-secondary);
  font-size: .85rem; margin-bottom: 20px; flex-wrap: wrap;
}

/* ========== FAQ ========== */
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 14px; overflow: hidden;
  background: var(--bg);
  padding: 18px 22px;
}
.faq-item h3 {
  font-size: 1.02rem; font-weight: 600; color: var(--text);
  margin-bottom: 10px;
  position: relative; padding-left: 24px;
}
.faq-item h3::before {
  content: 'Q'; position: absolute; left: 0; top: 1px;
  font-weight: 800; color: var(--accent);
}
.faq-item p {
  font-size: .92rem; color: var(--text-secondary);
  line-height: 1.85; padding-left: 24px;
  margin: 0;
}
.faq-item p::before {
  content: 'A'; display: inline-block;
  font-weight: 800; color: var(--primary);
  margin-right: 8px; margin-left: -24px;
  width: 16px;
}

/* ========== Article List ========== */
.article-list { display: flex; flex-direction: column; gap: 18px; }
.article-list-item {
  display: block; padding: 22px 24px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); transition: all var(--transition);
}
.article-list-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.article-list-item h3 { font-size: 1.06rem; margin-bottom: 6px; color: var(--text); }
.article-list-item .meta { font-size: .82rem; color: var(--accent-dark); margin-bottom: 6px; font-weight: 500; }
.article-list-item p { font-size: .9rem; color: var(--text-secondary); margin: 0; }

/* ========== Card Grid (contact etc) ========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
  margin-bottom: 36px;
}
.card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px;
  transition: all var(--transition);
}
.card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.card h3 { font-size: 1rem; margin-bottom: 10px; color: var(--primary-dark); }
.card p { font-size: .9rem; color: var(--text-secondary); margin-bottom: 4px; }
.card p a { font-weight: 600; }

/* ========== Contact Form ========== */
.contact-form { max-width: 560px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .9rem; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: .95rem; font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--bg);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(17, 94, 89, .12);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.btn {
  display: inline-block; padding: 12px 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-darker));
  color: #fff; border: none; border-radius: var(--radius-sm);
  font-size: 1rem; font-weight: 600; cursor: pointer; font-family: inherit;
  transition: all var(--transition);
  box-shadow: 0 2px 10px rgba(17, 94, 89, .3);
}
.btn:hover {
  background: var(--primary-darker);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(17, 94, 89, .35);
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark)) !important;
  box-shadow: 0 2px 10px rgba(217, 119, 6, .3);
}
.btn-accent:hover {
  background: var(--accent-dark) !important;
  box-shadow: 0 6px 18px rgba(217, 119, 6, .4);
}

/* ========== Sidebar ========== */
.sidebar { position: sticky; top: 84px; align-self: start; }
.sidebar-block {
  background: var(--bg-alt); border-radius: var(--radius);
  padding: 22px; margin-bottom: 22px;
  border: 1px solid var(--border);
}
.sidebar-block h3 {
  font-size: 1rem; font-weight: 600; margin-bottom: 14px; padding-bottom: 8px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}
.sidebar-block ul li { margin-bottom: 10px; }
.sidebar-block ul li a { font-size: .9rem; color: var(--text-secondary); }
.sidebar-block ul li a:hover { color: var(--primary); }

/* ========== CTA Section ========== */
.cta-section {
  background:
    radial-gradient(ellipse 70% 80% at 50% 0%, rgba(217, 119, 6, .18) 0%, transparent 55%),
    linear-gradient(135deg, var(--primary-darker) 0%, var(--primary) 100%);
  color: #fff; padding: 64px 0; text-align: center;
  position: relative;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  margin-bottom: 12px; font-weight: 700;
}
.cta-section p { opacity: .92; margin-bottom: 26px; font-size: 1rem; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 14px 36px; border-radius: 30px;
  font-weight: 700; font-size: 1rem;
  transition: all var(--transition);
  box-shadow: 0 6px 20px rgba(217, 119, 6, .35);
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(217, 119, 6, .45);
}
.cta-tel {
  display: inline-block; margin-left: 18px; color: #fff;
  font-size: .95rem; opacity: .9;
}
.cta-tel strong { font-size: 1.1rem; color: var(--accent-light); margin-left: 4px; }

/* ========== Footer ========== */
.site-footer {
  background: linear-gradient(180deg, #1c1917 0%, #0c0a09 100%);
  color: #a8a29e; padding: 52px 0 0;
  border-top: 3px solid var(--primary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
}
.footer-col h4 { color: #fafaf7; margin-bottom: 16px; font-size: 1.02rem; font-weight: 600; }
.footer-col p { font-size: .88rem; line-height: 1.85; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: #a8a29e; font-size: .88rem; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .06);
  padding: 22px 0; text-align: center; font-size: .82rem;
}
.footer-bottom a { color: #a8a29e; }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .beian { font-size: .78rem; color: #78716c; margin-top: 6px; }

/* ========== Mobile sticky bottom contact bar ========== */
.mobile-bar { display: none; }
@media (max-width: 768px) {
  body { padding-bottom: 64px; }
  .mobile-bar {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0;
    z-index: 998; background: #fff;
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 18px rgba(0, 0, 0, .08);
  }
  .mobile-bar a {
    flex: 1; padding: 14px 8px; text-align: center;
    font-size: .9rem; font-weight: 600;
    display: flex; align-items: center; justify-content: center; gap: 6px;
  }
  .mobile-bar .mb-call { color: var(--primary-dark); background: var(--primary-light); }
  .mobile-bar .mb-cta { color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark)); }
}

/* ========== Responsive ========== */
@media (max-width: 992px) {
  .content-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .compare-grid { grid-template-columns: 1fr; gap: 14px; }
  .compare-vs { padding: 6px 0; }
}
@media (max-width: 768px) {
  .menu-toggle { display: flex; align-items: center; justify-content: center; }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 14px;
    box-shadow: 0 8px 24px rgba(17, 94, 89, .12);
    display: none; gap: 4px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; width: 100%; text-align: center; }
  .nav-cta { margin-left: 0 !important; }
  .hero { padding: 56px 0 64px; }
  .hero-stats { gap: 22px; margin-top: 30px; padding-top: 22px; }
  .hero-stat strong { font-size: 1.3rem; }
  .section { padding: 44px 0; }
  .cat-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-banner { padding: 40px 0; }
  .cta-tel { display: block; margin: 14px 0 0; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.5rem; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-btn { width: 100%; text-align: center; justify-content: center; }
}

/* ========== 手机体验优化（不影响桌面端） ========== */

/* 1. iOS 触摸高亮自定义为半透明品牌色，消除默认丑陋灰色 */
* { -webkit-tap-highlight-color: rgba(17, 94, 89, .12); }

/* 2. 表单输入字号必须 ≥ 16px，否则 iOS 会自动放大整页 */
@media (max-width: 768px) {
  .form-group input,
  .form-group textarea,
  .form-group select,
  input[type="text"],
  input[type="tel"],
  input[type="email"],
  textarea,
  select { font-size: 16px !important; }
}

/* 3. 按钮和链接在触摸时给视觉反馈（移动端无 hover） */
.hero-btn:active,
.cta-btn:active,
.nav-cta:active,
.mobile-bar a:active,
button:active { transform: scale(0.98); transition: transform .08s ease; }

/* 4. 表格在窄屏可横向滑动，避免挤压 */
@media (max-width: 768px) {
  .article-body table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    font-size: .9rem;
  }
  .article-body table th,
  .article-body table td { white-space: normal; min-width: 90px; }
}

/* 5. 小屏幕长链接不破坏布局（如电话号码） */
.article-body p, .article-body li { word-break: break-word; overflow-wrap: anywhere; }

/* 6. 选中文本时使用品牌色，强化品牌感 */
::selection { background: var(--primary-light); color: var(--primary-darker); }