:root {
      --font: 'Inter', system-ui, sans-serif;
      --mono: 'JetBrains Mono', monospace;
      --bg:       #ffffff;
      --bg-alt:   #f8fafc;
      --bg-card:  #ffffff;
      --bg-card2: #f1f5f9;

      --blue:       #00579c;
      --blue-dim:   #004a85;
      --blue-deep:  #003a6e;
      --blue-glow:  rgba(0,87,156,0.22);
      --blue-faint: rgba(0,87,156,0.07);
      --blue-mid:   rgba(0,87,156,0.14);
      --orange:      #e65100;
      --orange-dim:  rgba(230,81,0,0.10);
      --teal:        #00897b;
      --teal-dim:    rgba(0,137,123,0.10);
      --green:       #2e7d32;

      --border:     rgba(148,163,184,0.28);
      --border-hi:  rgba(0,87,156,0.20);
      --t1: #0f172a;
      --t2: #475569;
      --t3: #94a3b8;
      --radius: 14px;
    }

    html { scroll-behavior: smooth; }
    body { font-family: var(--font); background: var(--bg); color: var(--t1); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
    a { color: inherit; text-decoration: none; }

    .tag { display: inline-flex; align-self: flex-start; padding: 3px 10px; border-radius: 4px; font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; font-family: var(--font); }
    .tag--blue  { color: var(--blue);  background: var(--blue-faint); border: 1px solid var(--border-hi); }
    .tag--teal  { color: var(--teal);  background: var(--teal-dim);   border: 1px solid rgba(0,137,123,0.25); }
    .tag--orange { color: var(--orange); background: var(--orange-dim); border: 1px solid rgba(230,81,0,0.25); }

    .btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font); font-weight: 600; letter-spacing: -0.01em; border-radius: 8px; border: none; cursor: pointer; transition: all .2s; }
    .btn--lg { font-size: 18px; padding: 14px 28px; }
    .btn--primary { background: var(--blue); color: #fff; box-shadow: 0 0 0 0 var(--blue-glow); }
    .btn--primary:hover { background: var(--blue-dim); box-shadow: 0 0 28px 6px var(--blue-glow); }
    .btn--ghost { background: transparent; color: var(--t2); border: 1px solid var(--border); }
    .btn--ghost:hover { background: rgba(0,87,156,0.05); color: var(--t1); border-color: var(--blue); }
    .btn--white-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.3); }
    .btn--white-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.5); }

    .fade { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
    .fade.in { opacity: 1; transform: none; }

    .sec-hd { margin-bottom: 48px; text-align: center; }
    .sec-hd .lbl { margin-bottom: 18px; }
    .h2 { font-size: 48px; font-weight: 500; letter-spacing: -0.03em; line-height: 1.15; }
    .h2 em { font-style: normal; background: linear-gradient(125deg, var(--blue) 0%, #0277bd 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .sec-sub { font-size: 18px; color: var(--t2); line-height: 1.7; margin-top: 14px; max-width: 580px; }

    .featured-section { padding: 80px 0; position: relative; z-index: 1; }
    .featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .featured-card { background: var(--bg-card); border: 1px solid var(--border); border-top: 3px solid transparent; border-radius: var(--radius); overflow: hidden; transition: all .3s cubic-bezier(0.4,0,0.2,1); display: flex; flex-direction: column; }
    .featured-card:nth-child(1) { border-top-color: var(--blue); }
    .featured-card:nth-child(2) { border-top-color: var(--teal); }
    .featured-card:nth-child(3) { border-top-color: var(--orange); }
    .featured-card:hover { transform: translateY(-6px); box-shadow: 0 20px 48px -10px rgba(0,87,156,0.13); }
    .featured-accent { height: 3px; flex-shrink: 0; }
    .featured-card:nth-child(1) .featured-accent { background: linear-gradient(90deg, var(--blue), #0277bd); }
    .featured-card:nth-child(2) .featured-accent { background: linear-gradient(90deg, #00897b, #00acc1); }
    .featured-card:nth-child(3) .featured-accent { background: linear-gradient(90deg, var(--orange), #ff8a65); }
    .featured-card-body { padding: 28px 24px 24px; flex: 1; display: flex; flex-direction: column; }
    .featured-card-body .featured-icon { width: 48px; height: 48px; border-radius: 10px; background: var(--blue-faint); border: 1px solid rgba(0,87,156,0.2); display: grid; place-items: center; margin-bottom: 18px; }
    .featured-card-body .featured-icon svg { width: 24px; height: 24px; color: var(--blue); }
    .featured-title { font-size: 19px; font-weight: 500; letter-spacing: -0.02em; color: var(--t1); margin-bottom: 10px; }
    .featured-desc { font-size: 18px; color: var(--t2); line-height: 1.6; flex: 1; }

    /* Core Capabilities — align ZZBS card effect */
    .features-section {
      padding: var(--space-section) 0;
      background: var(--bg);
    }
    .features-section .sec-hd {
      margin-bottom: var(--space-module);
      text-align: center;
    }
    .features-section .sec-hd .lbl { margin-bottom: 0; }
    .features-section .sec-hd .h2 { margin-top: var(--space-card); }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: var(--space-card);
    }
    .feature-card {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
      min-height: 100%;
      padding: calc(var(--space-card) * 1.6);
      border: 1px solid var(--color-border, var(--border));
      border-radius: var(--radius-md, var(--radius));
      background: linear-gradient(104deg, #d2e7ff4d 20%, #d2e7ff1a 84%);
      box-sizing: border-box;
      transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
    }
    .feature-card .lbl {
      align-self: flex-start;
      margin: 0;
    }
    .feature-card-title {
      margin: 0;
      font-size: var(--font-size-module-title, 21px);
      font-weight: 700;
      letter-spacing: -0.015em;
      line-height: 1.35;
      color: var(--color-title, var(--t1));
      font-family: var(--font-sans, var(--font));
      transition: color 0.3s ease;
    }
    .feature-card-desc {
      margin: 0;
      flex: 1;
      font-size: var(--font-size-body, 14px);
      line-height: 1.6;
      color: var(--color-text-secondary, var(--t2));
      font-family: var(--font-sans, var(--font));
      transition: color 0.3s ease;
    }
    .feature-card:hover {
      background-color: var(--color-primary, var(--blue));
      background-image:
        url("/static/skin/images/product/zzbs/block-3-hover-bg.png"),
        var(--gradient-1, linear-gradient(135deg, var(--blue), #0277bd));
      background-size: cover, cover;
      background-position: center, center;
      background-repeat: no-repeat, no-repeat;
      border-color: transparent;
      box-shadow: var(--shadow-selected, 0 20px 48px -10px rgba(0,87,156,0.2));
    }
    .feature-card:hover .lbl {
      color: var(--color-text-on-dark, #fff);
      background: rgba(255, 255, 255, 0.08);
      box-shadow: inset 0 -7px 12px 0 rgba(255, 255, 255, 0.12);
    }
    .feature-card:hover .feature-card-title {
      color: var(--color-text-on-dark, #fff);
    }
    .feature-card:hover .feature-card-desc {
      color: rgba(255, 255, 255, 0.6);
    }

    /* Case Study — align ZStone Trusted Worldwide */
    .zedge-trust {
      padding: var(--space-section, 100px) 0;
      background: var(--bg);
      position: relative;
      overflow: hidden;
      padding-bottom: 0;
    }
    .zedge-trust .sec-hd {
      padding-bottom: var(--space-module, 48px);
      text-align: center;
      background: url("/static/skin/images/product/zedge/block-5-title-bg.png") no-repeat center bottom;
      background-size: auto 80%;
      margin-bottom: 0;
    }
    .zedge-trust .sec-hd .lbl { margin-bottom: 0; }
    .zedge-trust .sec-hd .h2 {
      margin-top: var(--space-card, 16px);
      color: var(--color-title, var(--t1));
    }
    .zedge-trust .sec-sub {
      max-width: 860px;
      margin-left: auto;
      margin-right: auto;
      color: var(--color-block-dec, var(--t2));
      font-size: var(--font-size-body, 14px);
    }
    .zedge-trust-stats {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: var(--space-card, 20px);
      align-items: start;
      padding: calc(var(--space-card, 20px) * 1.8) var(--space-card, 20px);
      border-radius: var(--radius-md, var(--radius));
      background: linear-gradient(99deg, #023d73 0%, #02569b 64%, #014a86 97%);
      text-align: center;
      margin-bottom: var(--space-module, 48px);
    }
    .zedge-trust-num {
      font-size: var(--font-size-7xl, 48px);
      font-weight: 700;
      letter-spacing: -0.03em;
      line-height: 1.1;
      color: var(--color-text-on-dark, #fff);
      font-family: var(--font-sans, var(--font));
      margin-bottom: 8px;
    }
    .zedge-trust-label {
      font-size: var(--font-size-body, 14px);
      line-height: 1.5;
      color: var(--color-text-on-dark, #fff);
      font-family: var(--font-sans, var(--font));
    }
    .zedge-case-visual {
      background: linear-gradient(94deg, #d2e7ff4d 15%, #d2e7ff0d 90%);
      border: 1px solid var(--color-border, var(--border));
      border-radius: var(--radius-sm);
      padding: calc(var(--space-card, 20px) * 1.8);
      overflow: hidden;
    }
    .zedge-case-visual img {
      max-width: 100%;
      height: auto;
      display: block;
  
    }

    /* Delivery Options — align ZRDS value cards */
    .value-section {
      padding: var(--space-section, 100px) 0;
      background: #F8F9FD;
    }
    .value-section .sec-hd {
      padding-bottom: var(--space-module, 48px);
      text-align: center;
      background: url("/static/skin/images/product/zrds/block-5-title-bg.png") no-repeat center bottom;
      background-size: auto 90%;
      margin-bottom: 0;
    }
    .value-section .sec-hd .lbl { margin-bottom: 0; }
    .value-section .sec-hd .h2 {
      margin-top: var(--space-card, 16px);
      color: var(--color-title, var(--t1));
    }
    .value-list {
      display: flex;
      flex-direction: column;
      gap: var(--space-card, 20px);
    }
    .value-card {
      display: grid;
      grid-template-columns: 120px minmax(0, 1fr);
      gap: calc(var(--space-card, 20px) * 1.6);
      align-items: center;
      padding: calc(var(--space-card, 20px) * 1.6) calc(var(--space-card, 20px) * 2);
      border: 1px solid var(--color-border, var(--border));
      border-radius: var(--radius-md, var(--radius));
      background: linear-gradient(90deg, #eaf3ff 0%, #ffffff 42%);
      box-shadow: 0 8px 24px -12px rgba(0, 87, 156, 0.12);
      box-sizing: border-box;
      transition: box-shadow 0.28s ease, transform 0.28s ease, border-color 0.28s ease;
    }
    .value-card:hover,
    .value-section .value-card.fade.in:hover {
      transform: translateY(-3px);
      border-color: transparent;
      box-shadow: var(--shadow-selected, 0 20px 48px -10px rgba(0,87,156,0.2));
    }
    .value-icon {
      width: 96px;
      height: 96px;
      margin: 0 auto;
      display: grid;
      place-items: center;
      border-radius: var(--radius-md, var(--radius));
      background: radial-gradient(circle at 50% 55%, rgba(210, 231, 255, 0.95) 0%, rgba(210, 231, 255, 0.15) 68%, transparent 72%);
      color: var(--color-primary, var(--blue));
    }
    .value-icon img {
      width: 78px;
      height: 78px;
      object-fit: contain;
      display: block;
    }
    .value-body {
      min-width: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .value-title {
      margin: 0;
      font-size: var(--font-size-module-title, 21px);
      font-weight: 700;
      letter-spacing: -0.015em;
      line-height: 1.35;
      color: var(--color-title, var(--t1));
      font-family: var(--font-sans, var(--font));
    }
    .value-desc {
      margin: 0;
      font-size: var(--font-size-body, 14px);
      line-height: 1.7;
      color: var(--color-text-secondary, var(--t2));
      font-family: var(--font-sans, var(--font));
    }

    /* Industry Solutions — align ZRDS use-case cards */
    .uc-section {
      padding: var(--space-section, 100px) 0 0;
      background: var(--bg);
    }
    .uc-section .sec-hd {
      margin-bottom: var(--space-module, 48px);
      text-align: center;
    }
    .uc-section .sec-hd .lbl { margin-bottom: 0; }
    .uc-section .sec-hd .h2 {
      margin-top: var(--space-card, 16px);
      color: var(--color-title, var(--t1));
    }
    .uc-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: var(--space-card, 20px);
    }
    .uc-card {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
      padding: calc(var(--space-card, 20px) * 1.6);
      border: 1px solid var(--color-border, var(--border));
      border-radius: var(--radius-md, var(--radius));
      background: var(--gradient-2, linear-gradient(104deg, #d2e7ff4d 20%, #d2e7ff1a 84%));
      box-sizing: border-box;
      transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
    }
    .uc-card .lbl { margin: 0; }
    .uc-card-title {
      margin: 0;
      font-size: var(--font-size-module-title, 21px);
      font-weight: 700;
      letter-spacing: -0.015em;
      line-height: 1.35;
      color: var(--color-title, var(--t1));
      font-family: var(--font-sans, var(--font));
      transition: color 0.3s ease;
    }
    .uc-card-desc {
      margin: 0;
      font-size: var(--font-size-body, 14px);
      line-height: 1.6;
      color: var(--color-text-secondary, var(--t2));
      font-family: var(--font-sans, var(--font));
      transition: color 0.3s ease;
    }
    .uc-card:hover {
      background-color: var(--color-primary, var(--blue));
      background-image:
        url("/static/skin/images/product/zrds/block-4-hover-bg.png"),
        var(--gradient-1, linear-gradient(135deg, var(--blue), #0277bd));
      background-size: cover, cover;
      background-position: center, center;
      background-repeat: no-repeat, no-repeat;
      border-color: transparent;
      box-shadow: var(--shadow-selected, 0 20px 48px -10px rgba(0,87,156,0.2));
    }
    .uc-card:hover .lbl {
      color: var(--color-text-on-dark, #fff);
      background: rgba(255, 255, 255, 0.08);
      box-shadow: inset 0 -7px 12px 0 rgba(255, 255, 255, 0.12);
    }
    .uc-card:hover .uc-card-title {
      color: var(--color-text-on-dark, #fff);
    }
    .uc-card:hover .uc-card-desc {
      color: rgba(255, 255, 255, 0.6);
    }

    .stories-section { padding: 100px 0; background: var(--bg-alt); }
    .stories-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .story-card { background: var(--bg-card); border: 1px solid var(--border); border-top: 3px solid transparent; border-radius: var(--radius); padding: 28px 24px; transition: all .25s cubic-bezier(0.4,0,0.2,1); display: flex; flex-direction: column; }
    .story-card:nth-child(1) { border-top-color: var(--blue); }
    .story-card:nth-child(2) { border-top-color: var(--teal); }
    .story-card:nth-child(3) { border-top-color: var(--orange); }
    .story-card:hover { transform: translateY(-4px); box-shadow: 0 20px 48px -10px rgba(0,87,156,0.13); border-color: var(--border-hi); }
    .story-card .tag { margin-bottom: 16px; }
    .story-desc { font-size: 18px; color: var(--t2); line-height: 1.6; flex: 1; margin-bottom: 20px; }
    .story-org { display: flex; align-items: center; gap: 12px; padding-top: 18px; border-top: 1px solid var(--border); margin-bottom: 14px; }
    .story-avatar { width: 38px; height: 38px; border-radius: 8px; flex-shrink: 0; background: linear-gradient(135deg, var(--blue-deep), var(--blue)); display: grid; place-items: center; font-size: 18px; font-weight: 700; color: #fff; }
    .story-name { font-size: 14px; font-weight: 500; color: var(--t1); letter-spacing: -0.01em; }
    .story-link { font-size: 13px; font-weight: 600; color: var(--blue); display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; transition: gap .2s; }
    .story-link:hover { gap: 10px; }
    .stories-more { text-align: center; margin-top: 48px; }

    .newsletter-section { padding: 80px 0; position: relative; overflow: hidden; background: linear-gradient(150deg, #001d3d 0%, var(--blue-deep) 45%, #005b9f 100%); }
    .newsletter-section::before { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse 65% 55% at 25% 50%, rgba(0,87,156,0.2) 0%, transparent 70%), radial-gradient(ellipse 50% 50% at 75% 50%, rgba(0,137,123,0.08) 0%, transparent 70%); }
    .newsletter-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
    .newsletter-text .lbl--white { margin-bottom: 20px; }
    .newsletter-text h2 { font-size: 36px; font-weight: 500; color: #fff; letter-spacing: -0.025em; line-height: 1.15; margin-bottom: 12px; }
    .newsletter-text p { font-size: 18px; color: rgba(255,255,255,0.7); line-height: 1.6; }
    .newsletter-form { display: flex; gap: 12px; }
    .newsletter-input { flex: 1; padding: 14px 16px; font-size: 14px; background: rgba(255,255,255,0.08); color: #fff; border: 1.5px solid rgba(255,255,255,0.22); border-radius: 10px; outline: none; font-family: var(--font); transition: border-color .2s; }
    .newsletter-input::placeholder { color: rgba(255,255,255,0.45); }
    .newsletter-input:focus { border-color: rgba(255,255,255,0.45); }
    .newsletter-btn { padding: 14px 28px; font-size: 18px; font-weight: 600; background: var(--blue); color: #fff; border: none; border-radius: 10px; cursor: pointer; font-family: var(--font); transition: background .2s; white-space: nowrap; }
    .newsletter-btn:hover { background: var(--blue-dim); }

    @media (max-width: 1024px) {
      .featured-grid { grid-template-columns: 1fr; }
      .newsletter-inner { grid-template-columns: 1fr; gap: 32px; }
      .zedge-trust-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 960px) {
      .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 640px) {
      .features-grid { grid-template-columns: 1fr; }
      .value-card {
        grid-template-columns: 1fr;
        gap: var(--space-card, 20px);
        padding: calc(var(--space-card, 20px) * 1.4);
      }
      .value-icon { margin: 0; }
      .uc-grid { grid-template-columns: 1fr; }
      .zedge-trust-stats {
        grid-template-columns: 1fr;
        gap: var(--space-card, 20px);
        padding: var(--space-card, 20px);
      }
      .zedge-trust-num { font-size: var(--font-size-5xl, 36px); }
      .zedge-case-visual { padding: var(--space-card, 20px); }
      .newsletter-form { flex-direction: column; }
    }