@import url('../../css/zc-vertical-tokens.css');

/* zhusu vertical intro */
:root {
      --zs: #f59e0b;
      --zs-dark: #d97706;
      --zs-light: #fffbeb;
      --zs-bg: #0f172a;
    }

    .zs-hero {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 48%, #422006 100%);
      color: #fff;
      padding: 56px 24px;
      text-align: center;
      border-radius: 16px;
      margin-bottom: 40px;
      position: relative;
      overflow: hidden;
    }
    .zs-hero::before {
      content: '';
      position: absolute;
      inset: -50%;
      width: 200%;
      height: 200%;
      background:
        radial-gradient(circle at 28% 72%, rgba(245,158,11,0.14) 0%, transparent 48%),
        radial-gradient(circle at 72% 28%, rgba(59,130,246,0.1) 0%, transparent 45%);
      pointer-events: none;
    }
    .zs-hero > * { position: relative; z-index: 1; }
    .zs-hero .badge {
      display: inline-block;
      background: rgba(245,158,11,0.12);
      border: 1px solid rgba(245,158,11,0.35);
      color: var(--zs);
      padding: 6px 18px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
      margin-bottom: 16px;
    }
    .zs-hero h1 { font-size: 36px; font-weight: 700; margin: 0 0 12px; line-height: 1.25; }
    .zs-hero h1 span { color: var(--zs); }
    .zs-hero .subtitle { font-size: 17px; color: #94a3b8; margin: 0 0 8px; line-height: 1.7; }
    .zs-hero .client-info { font-size: 14px; color: #64748b; margin: 0 0 24px; }
    .zs-hero .tags { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
    .zs-hero .tag {
      background: rgba(245,158,11,0.1);
      border: 1px solid rgba(245,158,11,0.28);
      color: #fbbf24;
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
    }

    .zs-delivery {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
      gap: 14px;
      margin: -16px 0 36px;
    }
    .zs-delivery__item {
      background: #fff;
      border: 1px solid #f1f5f9;
      border-left: 3px solid var(--zs);
      border-radius: 10px;
      padding: 16px 18px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.04);
    }
    .zs-delivery__item strong { display: block; font-size: 15px; color: #1e293b; margin-bottom: 6px; }
    .zs-delivery__item span { display: block; font-size: 13px; line-height: 1.6; color: #64748b; }

    .overview-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(160px, 100%), 1fr));
      gap: 16px;
      margin-bottom: 48px;
    }
    .ov-card {
      background: #fff;
      border-radius: 12px;
      padding: 22px 16px;
      text-align: center;
      box-shadow: 0 2px 12px rgba(0,0,0,0.05);
      border: 1px solid #f1f5f9;
      border-top: 3px solid var(--zs);
    }
    .ov-card .num { font-size: 32px; font-weight: 700; color: var(--zs-dark); line-height: 1; margin-bottom: 6px; }
    .ov-card .label { font-size: 13px; color: #64748b; }

    .sec-title { text-align: center; font-size: 26px; font-weight: 700; margin: 0 0 8px; color: #1e293b; }
    .sec-desc { text-align: center; color: #64748b; margin: 0 0 32px; font-size: 15px; max-width: 720px; margin-left: auto; margin-right: auto; }

    .pain-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
      gap: 16px;
      margin-bottom: 48px;
    }
    .pain-card {
      background: #fff;
      border-radius: 12px;
      padding: 20px;
      border: 1px solid #f1f5f9;
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    }
    .pain-card h4 { font-size: 15px; font-weight: 700; color: #b45309; margin: 0 0 8px; }
    .pain-card p { font-size: 13px; color: #64748b; margin: 0 0 10px; line-height: 1.6; }
    .pain-card .fix { font-size: 13px; color: #166534; background: #f0fdf4; border: 1px solid #bbf7d0; padding: 8px 12px; border-radius: 8px; line-height: 1.5; }

    .flow-pipeline {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 0;
      margin-bottom: 48px;
      padding: 20px;
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 2px 12px rgba(0,0,0,0.05);
      border: 1px solid #f1f5f9;
      justify-content: center;
    }
    .flow-node {
      background: linear-gradient(135deg, #1e293b, #0f172a);
      color: #fbbf24;
      padding: 9px 14px;
      border-radius: 8px;
      font-size: 12px;
      font-weight: 600;
      white-space: nowrap;
    }
    .flow-arrow { color: var(--zs-dark); font-size: 18px; margin: 0 3px; }

    .arch-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
      gap: 14px;
      margin-bottom: 48px;
    }
    .arch-card {
      background: #fff;
      border-radius: 10px;
      padding: 18px 16px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
      border: 1px solid #f1f5f9;
      border-left: 3px solid var(--zs);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .arch-card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.08); }
    .arch-card .a-icon { font-size: 22px; margin-bottom: 8px; }
    .arch-card h4 { font-size: 15px; font-weight: 600; margin: 0 0 6px; color: #1e293b; }
    .arch-card p { font-size: 13px; color: #64748b; margin: 0; line-height: 1.55; }

    .module-nav {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 36px;
      justify-content: center;
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(245,247,250,0.96);
      backdrop-filter: blur(8px);
      padding: 12px 0;
      border-bottom: 1px solid #e2e8f0;
    }
    .module-nav a {
      padding: 7px 16px;
      border-radius: 999px;
      background: #fff;
      color: #475569;
      font-size: 13px;
      font-weight: 500;
      text-decoration: none;
      border: 1px solid #e2e8f0;
      transition: all 0.2s;
    }
    .module-nav a:hover { background: var(--zs); color: #fff; border-color: var(--zs); }

    .module-section { margin-bottom: 52px; scroll-margin-top: 72px; }
    .module-section h2 { font-size: 22px; font-weight: 700; margin: 0 0 8px; color: #1e293b; }
    .module-section .module-desc { font-size: 14px; color: #64748b; margin: 0 0 14px; line-height: 1.7; }
    .module-divider { width: 48px; height: 3px; background: linear-gradient(90deg, var(--zs), var(--zs-dark)); border-radius: 2px; margin-bottom: 16px; }
    .feature-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
    .feature-tag { background: var(--zs-light); color: #92400e; padding: 4px 12px; border-radius: 6px; font-size: 12px; border: 1px solid #fde68a; }
    .field-table { width: 100%; border-collapse: collapse; font-size: 13px; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.04); border: 1px solid #f1f5f9; }
    .field-table th, .field-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #f1f5f9; }
    .field-table th { background: #fffbeb; color: #92400e; font-weight: 600; }
    .field-table tr:last-child td { border-bottom: none; }

    .roles-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: 14px; margin-bottom: 48px; }
    .role-card { background: #fff; border-radius: 10px; padding: 18px; border: 1px solid #f1f5f9; box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
    .role-card h4 { font-size: 15px; font-weight: 600; margin: 0 0 8px; color: #1e293b; }
    .role-card ul { margin: 0; padding-left: 18px; }
    .role-card li { font-size: 13px; color: #475569; line-height: 1.75; }

    .related-links { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 40px; }
    .related-links a {
      padding: 10px 18px;
      border-radius: 10px;
      background: #fff;
      border: 1px solid #e2e8f0;
      color: #334155;
      font-size: 14px;
      font-weight: 500;
      text-decoration: none;
      transition: all 0.2s;
    }
    .related-links a:hover { border-color: var(--zs); color: var(--zs-dark); background: var(--zs-light); }

    .cta-banner {
      background: linear-gradient(135deg, var(--zs-dark) 0%, #b45309 100%);
      color: #fff;
      padding: 44px 24px;
      border-radius: 16px;
      text-align: center;
      margin-top: 40px;
    }
    .cta-banner h2 { font-size: 26px; font-weight: 700; margin: 0 0 12px; color: #fff; }
    .cta-banner p { font-size: 15px; color: rgba(255,255,255,0.88); margin: 0 0 22px; line-height: 1.7; }
    .cta-banner .btn-w {
      display: inline-block;
      background: #fff;
      color: var(--zs-dark);
      padding: 13px 32px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.2s;
      margin: 0 6px 8px;
    }
    .cta-banner .btn-w:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
    .cta-banner .btn-ghost {
      background: transparent;
      color: #fff;
      border: 1px solid rgba(255,255,255,0.35);
    }
    .cta-banner .btn-ghost:hover { background: rgba(255,255,255,0.1); color: #fff; }

    @media (max-width: 768px) {
      .zs-hero { padding: 36px 16px; }
      .zs-hero h1 { font-size: 24px; }
      .module-nav { position: static; background: transparent; border: none; padding: 0; }
      .flow-pipeline { flex-direction: column; align-items: stretch; }
      .flow-arrow { transform: rotate(90deg); margin: 4px auto; }
      .field-table { font-size: 12px; }
    }