/* CAH portal intro pages — requires portal-chrome.css first */
body.portal-intro {
  font-family: -apple-system, BlinkMacSystemFont, 'Source Han Sans CN', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: #1A2332;
  background: #F5F7FA;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  margin: 0;
  min-width: 1280px;
}
body.portal-intro a { text-decoration: none; cursor: pointer; }
body.portal-intro img { display: block; max-width: 100%; }
body.portal-intro ul { list-style: none; margin: 0; padding: 0; }
body.portal-intro button { font-family: inherit; }

body.portal-intro .btn-hero-outline,
body.portal-intro .btn-hero-outline:link,
body.portal-intro .btn-hero-outline:visited {
  color: #fff;
}
body.portal-intro .btn-cta-primary,
body.portal-intro .btn-cta-primary:link,
body.portal-intro .btn-cta-primary:visited {
  color: var(--primary);
}
body.portal-intro .btn-feature,
body.portal-intro .btn-feature:link,
body.portal-intro .btn-feature:visited {
  color: #fff;
}

  /* ===== PAGE CONTAINER ===== */

  .page-wrapper {
    width: 100%;
    max-width: 1920px;
    min-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    overflow-x: hidden;
    background: #F5F7FA;
  }
  .page-section { display: block; }

  /* ===== SECTION COMMON ===== */
  .section { padding: 80px 60px; }
  .section-inner { width: var(--max-width); margin: 0 auto; }
  .eyebrow {
    display: flex; align-items: center; gap: 16px; margin-bottom: 16px;
  }
  .eyebrow-line { width: 32px; height: 2px; background: var(--primary); border-radius: 1px; }
  .eyebrow-text {
    font-size: 12px; font-weight: 600; letter-spacing: 2px;
    color: var(--primary); text-transform: uppercase;
  }
  .eyebrow-line-end {
    flex: 1; height: 1px;
    background: linear-gradient(to right, var(--card-border), transparent);
    max-width: 120px;
  }
  .section-title {
    font-size: 34px; font-weight: 700; color: var(--text-dark); margin-bottom: 12px;
  }

  /* ===== CTA BANNER (shared) ===== */
  .cta-banner {
    background: linear-gradient(135deg, var(--cta-from) 0%, var(--cta-to) 100%);
    padding: 52px 60px;
  }
  .cta-inner {
    width: var(--max-width); margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
  }
  .cta-left h2 { font-size: 28px; font-weight: 700; color: #fff; margin-bottom: 8px; }
  .cta-left p { font-size: 14px; color: rgba(255,255,255,0.75); }
  .cta-right { display: flex; align-items: center; gap: 24px; }
  .btn-cta-primary {
    display: inline-flex; align-items: center; justify-content: center;
    background: #fff; color: var(--primary); font-size: 15px; font-weight: 600;
    padding: 14px 32px; border-radius: 28px; transition: all 0.25s; white-space: nowrap;
    border: none; cursor: pointer;
  }
  .btn-cta-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.18); }
  .cta-phone { text-align: right; color: #fff; }
  .cta-phone-num { font-size: 22px; font-weight: 700; letter-spacing: 1px; }
  .cta-phone-label { font-size: 12px; opacity: 0.7; margin-top: 2px; }

  /* ================================================================
     PAGE 1: HOME (首页)
     ================================================================ */

  /* Home Hero */
  .home-hero {
    position: relative; height: 420px; overflow: hidden;
    display: flex; align-items: center; padding: 88px 60px 48px;
  }
  .home-hero-bg {
    position: absolute; inset: 0;
    background:
      linear-gradient(135deg, rgba(15,23,41,0.88) 0%, rgba(26,46,77,0.75) 50%, rgba(13,142,187,0.25) 100%),
      url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 420"><rect fill="%23233d5e" width="1440" height="420"/><path fill="%23ffffff" opacity="0.03" d="M0 350 Q360 300 720 330 T1440 310 L1440 420 L0 420Z"/><rect fill="%23ffffff" opacity="0.02" x="180" y="60" width="160" height="260" rx="4"/><rect fill="%23ffffff" opacity="0.015" x="400" y="40" width="130" height="280" rx="4"/><rect fill="%23ffffff" opacity="0.02" x="580" y="90" width="150" height="230" rx="4"/><rect fill="%23ffffff" opacity="0.015" x="800" y="55" width="170" height="270" rx="4"/><rect fill="%23ffffff" opacity="0.02" x="1040" y="75" width="140" height="250" rx="4"/></svg>');
    background-size: cover; background-position: center;
  }
  .home-hero-content { position: relative; z-index: 2; width: var(--max-width); margin: 0 auto; }
  .home-hero-tags {
    display: flex; gap: 10px; margin-bottom: 22px;
  }
  .hero-tag {
    padding: 5px 14px; border-radius: 20px; font-size: 12px; font-weight: 600;
    background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.85);
    backdrop-filter: blur(4px);
  }
  .home-hero-title {
    font-size: 46px; font-weight: 800; color: #fff; letter-spacing: 2px; margin-bottom: 14px;
    line-height: 1.2;
  }
  .home-hero-subtitle {
    font-size: 17px; color: rgba(255,255,255,0.78); margin-bottom: 32px; max-width: 560px; line-height: 1.6;
  }
  .home-hero-actions { display: flex; gap: 16px; }
  .btn-hero-outline {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 13px 32px; border-radius: 28px; border: 1.5px solid rgba(255,255,255,0.5);
    color: #fff; font-size: 15px; font-weight: 600; background: transparent;
    transition: all 0.25s; cursor: pointer;
  }
  .btn-hero-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

  /* Feature Cards Row */
  .feature-row {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    margin-top: 24px;
  }
  .feature-card {
    background: #fff; border: 1px solid var(--card-border); border-radius: var(--radius-lg);
    padding: 36px 28px; transition: all 0.3s ease; box-shadow: var(--shadow-card);
    display: flex; flex-direction: column; height: 100%;
  }
  .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
  .feature-icon-wrap {
    width: 52px; height: 52px; border-radius: 14px; background: var(--primary-light);
    display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
  }
  .feature-icon-wrap svg { width: 26px; height: 26px; }
  .feature-card h3 { font-size: 19px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
  .feature-card .feature-sub { font-size: 13px; color: var(--text-light); margin-bottom: 14px; }
  .feature-card p { font-size: 14px; color: var(--text-body); line-height: 1.7; margin-bottom: 20px; }
  .btn-feature {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 22px; border-radius: 22px; background: var(--primary);
    font-size: 13px; font-weight: 600; transition: all 0.2s;
    margin-top: auto; align-self: flex-start;
  }
  .btn-feature:hover { background: var(--primary-dark); color: #fff; }

  /* Advantages Section */
  .advantages-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 44px;
  }
  .adv-item {
    background: var(--card-fill); border: 1px solid var(--card-border);
    border-radius: var(--radius-md); padding: 28px 22px;
    transition: all 0.3s ease; box-shadow: var(--shadow-card);
  }
  .adv-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: rgba(13,142,187,0.25); }
  .adv-item-icon {
    width: 48px; height: 48px; border-radius: 12px; background: var(--primary-light);
    display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
  }
  .adv-item-icon svg { width: 24px; height: 24px; }
  .adv-item h4 { font-size: 17px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
  .adv-item p { font-size: 13px; color: var(--text-body); line-height: 1.7; }

  /* ================================================================
     PAGE 2: ABOUT US (关于我们)
     ================================================================ */

  /* About Hero */
  .about-hero {
    position: relative; height: 230px; overflow: hidden;
    display: flex; align-items: center; padding: 88px 60px 48px;
  }
  .about-hero-bg {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, #0F1729 0%, #1A2E4D 100%);
  }
  .about-hero-content { position: relative; z-index: 2; width: var(--max-width); margin: 0 auto; }
  .breadcrumb {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 16px;
  }
  .breadcrumb span { color: rgba(255,255,255,0.45); }
  .breadcrumb strong { color: rgba(255,255,255,0.85); font-weight: 500; }
  .about-hero-title { font-size: 38px; font-weight: 700; color: #fff; letter-spacing: 2px; margin-bottom: 8px; }
  .about-hero-subtitle { font-size: 14px; letter-spacing: 3px; color: rgba(255,255,255,0.5); font-weight: 500; text-transform: uppercase; }

  /* Company Intro */
  .intro-section { background: #fff; padding: 80px 60px; }
  .intro-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; margin-top: 40px;
  }
  .intro-text p { font-size: 15px; color: var(--text-body); line-height: 1.9; margin-bottom: 20px; }
  .intro-highlight { color: var(--primary); font-weight: 600; }
  .intro-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
  .intro-tag {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; background: var(--primary-light); color: var(--primary);
    font-size: 13px; font-weight: 600; border-radius: 20px;
  }
  .intro-tag-dot { width: 6px; height: 6px; background: var(--primary); border-radius: 50%; }
  .intro-image-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 12px 40px rgba(0,0,0,0.12); }
  .intro-image {
    width: 100%; height: 340px; object-fit: cover;
    background: linear-gradient(135deg, #c9d6df 0%, #e8f0f2 50%, #f5f7fa 100%);
    display: flex; align-items: center; justify-content: center; color: #94a3b8; font-size: 14px;
  }
  .image-badge {
    position: absolute; bottom: 24px; left: 24px;
    background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
    padding: 12px 20px; border-radius: var(--radius-md); box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  }
  .badge-num { font-size: 28px; font-weight: 800; color: var(--primary); line-height: 1; }
  .badge-label { font-size: 11px; color: var(--text-light); margin-top: 2px; }

  /* Stats Bar */
  .stats-bar {
    background: linear-gradient(135deg, var(--stat-blue-from) 0%, var(--stat-blue-to) 100%);
    padding: 56px 60px;
  }
  .stats-inner { width: var(--max-width); margin: 0 auto; display: flex; justify-content: space-around; align-items: center; }
  .stat-item { text-align: center; color: #fff; }
  .stat-number { font-size: 42px; font-weight: 800; line-height: 1.1; letter-spacing: -1px; }
  .stat-label { font-size: 14px; opacity: 0.8; margin-top: 6px; font-weight: 400; }

  /* Why Choose Us Cards */
  .why-section { background: #fff; padding: 80px 60px; }
  .why-header { display: flex; justify-content: space-between; align-items: flex-start; margin-top: 40px; margin-bottom: 48px; }
  .why-subtitle { font-size: 14px; color: var(--text-light); max-width: 320px; text-align: right; line-height: 1.7; }
  .cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .advantage-card {
    background: var(--card-bg); border: 1px solid var(--card-border);
    border-radius: var(--radius-md); padding: 32px; display: flex; gap: 20px;
    align-items: flex-start; transition: all 0.3s ease; box-shadow: var(--shadow-card);
  }
  .advantage-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: rgba(13,142,187,0.25); }
  .card-icon-box {
    width: 56px; height: 56px; min-width: 56px; background: var(--primary-light);
    border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center;
  }
  .card-icon-box svg { width: 28px; height: 28px; }
  .card-content h3 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
  .card-content p { font-size: 14px; color: var(--text-body); line-height: 1.7; }

  /* Partners */
  .partners-section { background: #fff; padding: 70px 60px 80px; border-top: 1px solid #f0f0f0; }
  .partners-header-row { display: flex; justify-content: space-between; align-items: center; margin-top: 36px; margin-bottom: 40px; }
  .partners-note { font-size: 13px; color: var(--text-light); }
  .partners-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
  .partner-card {
    border: 1px solid var(--card-border); border-radius: var(--radius-md); background: #fff;
    height: 96px; display: flex; align-items: center; justify-content: center;
    padding: 16px 20px; transition: all 0.25s ease; box-shadow: 0 1px 3px rgba(13,142,187,0.04);
  }
  .partner-card:hover { border-color: rgba(13,142,187,0.35); box-shadow: 0 6px 20px rgba(13,142,187,0.10); transform: translateY(-2px); }
  .partner-card img { max-width: 100%; max-height: 44px; height: auto; }

  /* ================================================================
     PAGE 3: FAQ (常见问题)
     ================================================================ */

  /* FAQ Hero */
  .faq-hero {
    position: relative; height: 320px; overflow: hidden;
    display: flex; align-items: center; justify-content: center; padding: 88px 60px 48px;
  }
  .faq-hero-bg {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, #0F1729 0%, #1A2E4D 100%);
  }
  .faq-hero-content { position: relative; z-index: 2; text-align: center; width: var(--max-width); }
  .faq-eyebrow {
    font-size: 12px; font-weight: 600; letter-spacing: 3px; color: var(--primary);
    text-transform: uppercase; margin-bottom: 12px;
  }
  .faq-hero-title { font-size: 44px; font-weight: 800; color: #fff; margin-bottom: 10px; letter-spacing: 2px; }
  .faq-hero-desc { font-size: 15px; color: rgba(255,255,255,0.6); margin-bottom: 28px; }
  .faq-search {
    display: flex; align-items: center; background: #fff; border-radius: 50px;
    padding: 6px 6px 6px 24px; width: 520px; margin: 0 auto; box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  }
  .faq-search input {
    flex: 1; border: none; outline: none; font-size: 14px; color: var(--text-dark);
    background: transparent; padding: 10px 0;
  }
  .faq-search input::placeholder { color: #b0bec5; }
  .faq-search-btn {
    padding: 11px 26px; border-radius: 38px; background: var(--primary); color: #fff;
    border: none; font-size: 14px; font-weight: 600; cursor: pointer; white-space: nowrap;
  }

  /* FAQ Content Area */
  .faq-content-area { background: #fff; padding: 60px 60px 80px; }
  .faq-layout {
    display: grid; grid-template-columns: 240px 1fr; gap: 48px; width: var(--max-width); margin: 0 auto;
  }
  .faq-sidebar-title { font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 20px; }
  .faq-category-list { list-style: none; }
  .faq-category-item {
    padding: 12px 16px; border-radius: 8px; font-size: 14px; color: var(--text-body);
    cursor: pointer; transition: all 0.2s; display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 4px;
  }
  .faq-category-item:hover { background: var(--primary-light); color: var(--primary); }
  .faq-category-item.active { background: var(--primary); color: #fff; font-weight: 600; }
  .faq-cat-count {
    font-size: 12px; background: rgba(255,255,255,0.2); padding: 2px 8px; border-radius: 10px;
  }
  .faq-category-item.active .faq-cat-count { background: rgba(255,255,255,0.25); }
  .faq-main-header {
    display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px;
  }
  .faq-main-title { font-size: 22px; font-weight: 700; color: var(--text-dark); }
  .faq-count-badge { font-size: 13px; color: var(--text-light); }
  .faq-list { display: flex; flex-direction: column; gap: 20px; }
  .faq-item {
    border: 1px solid var(--card-border); border-radius: var(--radius-md);
    padding: 24px 28px; transition: all 0.2s; background: #fafcfd;
  }
  .faq-item:hover { border-color: rgba(13,142,187,0.3); box-shadow: 0 4px 16px rgba(13,142,187,0.06); }
  .faq-q {
    display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px;
  }
  .faq-q-icon {
    width: 22px; height: 22px; min-width: 22px; border-radius: 50%;
    background: var(--primary-light); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; margin-top: 2px;
  }
  .faq-q-text { font-size: 16px; font-weight: 700; color: var(--text-dark); line-height: 1.5; }
  .faq-a { font-size: 14px; color: var(--text-body); line-height: 1.8; padding-left: 34px; }

  /* Still Have Questions */
  .still-questions {
    background: linear-gradient(to bottom, #fff 0%, #f7fbfe 100%);
    padding: 70px 60px; text-align: center;
  }
  .still-questions-inner { width: var(--max-width); margin: 0 auto; }
  .still-eyebrow {
    font-size: 12px; font-weight: 600; letter-spacing: 2px; color: var(--primary);
    text-transform: uppercase; margin-bottom: 12px;
  }
  .still-title { font-size: 32px; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
  .still-desc { font-size: 15px; color: var(--text-light); margin-bottom: 32px; }
  .still-actions { display: flex; gap: 16px; justify-content: center; }
  .btn-still-primary {
    padding: 13px 36px; border-radius: 28px; background: var(--primary); color: #fff;
    font-size: 15px; font-weight: 600; transition: all 0.2s;
  }
  .btn-still-primary:hover { background: var(--primary-dark); }
  .btn-still-outline {
    padding: 13px 36px; border-radius: 28px; border: 1.5px solid var(--card-border);
    background: #fff; color: var(--text-body); font-size: 15px; font-weight: 600;
    transition: all 0.2s;
  }
  .btn-still-outline:hover { border-color: var(--primary); color: var(--primary); }

  /* Toast notification */
  .toast {
    position: fixed; top: 68px; right: 24px; z-index: 10000;
    background: #1f2937; color: #fff; padding: 12px 24px; border-radius: 10px;
    font-size: 13px; font-weight: 500; box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    opacity: 0; transform: translateY(-10px); transition: all 0.3s ease; pointer-events: none;
  }
  .toast.show { opacity: 1; transform: translateY(0); }

  .faq-seo-list { max-width: 900px; margin: 0 auto; padding: 40px 0 60px; }
  .faq-seo-item { background: #fff; border: 1px solid var(--card-border); border-radius: var(--radius-md); padding: 24px 28px; margin-bottom: 16px; box-shadow: var(--shadow-card); transition: box-shadow 0.2s; }
  .faq-seo-item:hover { box-shadow: var(--shadow-hover); }
  .faq-seo-item.is-hidden { display: none; }
  .faq-seo-q { font-size: 16px; font-weight: 700; color: var(--text-dark); line-height: 1.5; margin-bottom: 12px; display: flex; gap: 10px; align-items: flex-start; cursor: default; }
  .faq-seo-q-badge { flex-shrink:0; width:24px;height:24px;border-radius:50%;background:var(--primary);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px; }
  .faq-seo-a { font-size: 14px; color: var(--text-body); line-height: 1.85; }
  .faq-main-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 8px; }
  .faq-main-title { font-size: 22px; font-weight: 700; color: var(--text-dark); }
  .faq-count-badge { font-size: 13px; color: var(--primary); background: var(--primary-light); padding: 6px 14px; border-radius: 20px; font-weight: 600; }
  .intro-shell { background: #fff; padding: 48px 60px 80px; }
  .intro-shell .section-inner { width: var(--max-width); margin: 0 auto; }
  .intro-shell-title { font-size: 28px; font-weight: 700; color: var(--text-dark); margin-bottom: 24px; }
  .intro-shell-body { font-size: 15px; color: var(--text-body); line-height: 1.9; }