/* ─── Reset ────────────────────────────────────────────────── */
    :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; }

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

    /* Section Header */
    .sec-hd { margin-bottom: var(--space-module); text-align: center; }
    .sec-hd .lbl { margin-bottom: 0; }
    .h2 {
      font-size: var(--font-size-page-title);
      font-weight: 700;
      letter-spacing: -0.03em;
      line-height: 1.2;
      color: var(--color-title);
      font-family: var(--font-sans);
    }
    .sec-sub {
      font-size: var(--font-size-body);
      color: var(--color-block-dec);
      line-height: 1.7;
      margin-top: 14px;
      max-width: 860px;
    }

    /* ══ Core Capabilities ═══════════════════════════════════════ */
.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: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-card);
}
.feature-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 0 1 calc((100% - 2 * var(--space-card)) / 3);
  max-width: calc((100% - 2 * var(--space-card)) / 3);
  min-height: 100%;
  padding: calc(var(--space-card) * 1.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  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);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.35;
  color: var(--color-title);
  font-family: var(--font-sans);
  transition: color 0.3s ease;
}
.feature-card-desc {
  margin: 0;
  flex: 1;
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  transition: color 0.3s ease;
}
.feature-card:hover {
  background-color: var(--color-primary);
  background-image:
    url("/static/skin/images/product/zrds/block-3-hover-bg.png"),
    var(--gradient-1);
  background-size: cover, cover;
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
  border-color: transparent;
  box-shadow: var(--shadow-selected);
}
.feature-card:hover .lbl {
  color: var(--color-text-on-dark);
  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);
}
.feature-card:hover .feature-card-desc {
  color: rgba(255, 255, 255, 0.6);
}
@media (max-width: 960px) {
  .feature-card {
    flex-basis: calc((100% - var(--space-card)) / 2);
    max-width: calc((100% - var(--space-card)) / 2);
  }
}
@media (max-width: 640px) {
  .feature-card {
    flex-basis: 100%;
    max-width: 100%;
  }
}

/* ══ Three Core Values ═══════════════════════════════════════ */
.value-section {
  padding: var(--space-section) 0;
  background: #F8F9FD;
}
.value-section .sec-hd {
  padding-bottom: var(--space-module);
  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);
  color: var(--color-title);
}
.value-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-card);
}
.value-card {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: calc(var(--space-card) * 1.6);
  align-items: center;
  padding: calc(var(--space-card) * 1.6) calc(var(--space-card) * 2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  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);
}
.value-icon {
  width: 96px;
  height: 96px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: radial-gradient(circle at 50% 55%, rgba(210, 231, 255, 0.95) 0%, rgba(210, 231, 255, 0.15) 68%, transparent 72%);
}
.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);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.35;
  color: var(--color-title);
  font-family: var(--font-sans);
}
.value-desc {
  margin: 0;
  font-size: var(--font-size-body);
  line-height: 1.7;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
}
@media (max-width: 640px) {
  .value-card {
    grid-template-columns: 1fr;
    gap: var(--space-card);
    padding: calc(var(--space-card) * 1.4);
  }
  .value-icon { margin: 0; }
}

/* ══ Four Key Use Cases ══════════════════════════════════════ */
.uc-section {
  padding: var(--space-section) 0 0;
  background: var(--bg);
}
.uc-section .sec-hd {
  margin-bottom: var(--space-module);
  text-align: center;
}
.uc-section .sec-hd .lbl { margin-bottom: 0; }
.uc-section .sec-hd .h2 {
  margin-top: var(--space-card);
  color: var(--color-title);
}
.uc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-card);
}
.uc-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: calc(var(--space-card) * 1.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--gradient-2);
  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);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.35;
  color: var(--color-title);
  font-family: var(--font-sans);
  transition: color 0.3s ease;
}
.uc-card-desc {
  margin: 0;
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  transition: color 0.3s ease;
}
.uc-card:hover {
  background-color: var(--color-primary);
  background-image:
    url("/static/skin/images/product/zrds/block-4-hover-bg.png"),
    var(--gradient-1);
  background-size: cover, cover;
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
  border-color: transparent;
  box-shadow: var(--shadow-selected);
}
.uc-card:hover .lbl {
  color: var(--color-text-on-dark);
  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);
}
.uc-card:hover .uc-card-desc {
  color: rgba(255, 255, 255, 0.6);
}
@media (max-width: 640px) {
  .uc-grid { grid-template-columns: 1fr; }
}

    /* ─── NEWSLETTER CTA ────────────────────────────────────── */
    .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); }

    /* ─── Responsive ──────────────────────────────────────────── */
    @media (max-width: 1024px) {
      .featured-grid { grid-template-columns: 1fr; }
      .newsletter-inner { grid-template-columns: 1fr; gap: 32px; }
    }