:root {
      --navy: #0e2a47;
      --blue: #0b74d1;
      --cyan: #38c7e8;
      --ice: #eef9ff;
      --soft: #f7fbff;
      --line: #d9ecfa;
      --text: #26384a;
      --muted: #66798b;
      --green: #20a77a;
      --orange: #ff9f43;
      --white: #ffffff;
      --shadow: 0 22px 54px rgba(14, 42, 71, 0.12);
      --radius: 30px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      color: var(--text);
      line-height: 1.72;
      background:
        radial-gradient(circle at 8% 8%, rgba(56,199,232,.16), transparent 26%),
        radial-gradient(circle at 94% 14%, rgba(11,116,209,.12), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f4fbff 46%, #ffffff 100%);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    a {
      color: var(--blue);
      text-decoration: none;
      font-weight: 800;
    }

    a:hover {
      text-decoration: underline;
    }

    .dl-page {
      max-width: 1180px;
      margin: 0 auto;
      padding: 24px 20px 80px;
    }

    .hero {
      position: relative;
      overflow: hidden;
      border-radius: 40px;
      padding: 52px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(238,249,255,.92)),
        radial-gradient(circle at 85% 22%, rgba(56,199,232,.28), transparent 30%);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      margin-bottom: 28px;
    }

    .hero::before {
      content: "";
      position: absolute;
      right: -130px;
      top: -150px;
      width: 390px;
      height: 390px;
      border-radius: 50%;
      border: 50px solid rgba(11,116,209,.08);
    }

    .hero-grid {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 38px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 9px 15px;
      border-radius: 999px;
      background: var(--navy);
      color: #ffffff;
      text-transform: uppercase;
      letter-spacing: .08em;
      font-size: 13px;
      font-weight: 900;
    }

    .eyebrow span {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 0 6px rgba(56,199,232,.18);
    }

    h1 {
      margin: 22px 0 18px;
      color: var(--navy);
      font-size: clamp(36px, 5.2vw, 64px);
      line-height: 1;
      letter-spacing: -2px;
    }

    .hero-lead {
      color: var(--muted);
      font-size: 19px;
      margin: 0 0 26px;
      max-width: 690px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      align-items: center;
    }

    .btn-primary,
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 13px 20px;
      border-radius: 999px;
      font-weight: 900;
      font-size: 15px;
    }

    .btn-primary {
      color: #ffffff;
      background: linear-gradient(135deg, var(--blue), var(--cyan));
      box-shadow: 0 14px 28px rgba(11,116,209,.24);
    }

    .btn-ghost {
      color: var(--navy);
      background: #ffffff;
      border: 1px solid var(--line);
    }

    .hero-card {
      border-radius: 32px;
      background: #ffffff;
      border: 1px solid var(--line);
      box-shadow: 0 18px 42px rgba(14,42,71,.10);
      padding: 22px;
    }

    .hero-image {
      width: 100%;
      aspect-ratio: 1200 / 900;
      border-radius: 24px;
      overflow: hidden;
      background: #eef6fb;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .hero-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
    }

    .image-note {
      margin: 12px 4px 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.45;
    }

    .quick-answer {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin: 28px 0;
    }

    .answer-box {
      background: #ffffff;
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 22px;
      box-shadow: 0 12px 28px rgba(14,42,71,.06);
    }

    .answer-box strong {
      display: block;
      color: var(--navy);
      font-size: 20px;
      margin-bottom: 8px;
    }

    .answer-box p {
      color: var(--muted);
      margin: 0;
      font-size: 15px;
    }

    .nav-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 0 0 30px;
    }

    .nav-pills a {
      padding: 12px 16px;
      border-radius: 999px;
      background: #ffffff;
      border: 1px solid var(--line);
      color: var(--navy);
      box-shadow: 0 8px 18px rgba(14,42,71,.05);
      font-size: 14px;
    }

    .section {
      margin: 30px 0;
      padding: 38px;
      border-radius: var(--radius);
      background: #ffffff;
      border: 1px solid var(--line);
      box-shadow: 0 14px 36px rgba(14,42,71,.07);
      overflow: hidden;
    }

    .section.blue-soft {
      background:
        radial-gradient(circle at 90% 12%, rgba(56,199,232,.16), transparent 26%),
        linear-gradient(135deg, #ffffff 0%, #f1f9ff 100%);
    }

    .section.dark {
      background:
        radial-gradient(circle at 15% 14%, rgba(56,199,232,.18), transparent 28%),
        linear-gradient(135deg, #0e2a47 0%, #0b74d1 100%);
      color: #ffffff;
    }

    .section.dark h2,
    .section.dark h3 {
      color: #ffffff;
    }

    .section.dark p {
      color: rgba(255,255,255,.82);
    }

    h2 {
      margin: 0 0 16px;
      color: var(--navy);
      font-size: clamp(27px, 3.3vw, 42px);
      line-height: 1.13;
      letter-spacing: -.9px;
    }

    h3 {
      color: var(--navy);
      margin: 0 0 9px;
      font-size: 21px;
      line-height: 1.3;
    }

    .lead {
      color: var(--muted);
      font-size: 18px;
      margin: 0 0 20px;
    }

    .comparison-stage {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 26px;
    }

    .tech-card {
      border-radius: 28px;
      padding: 28px;
      border: 1px solid var(--line);
      background: #ffffff;
      position: relative;
      overflow: hidden;
      min-height: 350px;
    }

    .tech-card::after {
      content: "";
      position: absolute;
      right: -60px;
      bottom: -60px;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: rgba(56,199,232,.12);
    }

    .tech-card.ipl::after {
      background: rgba(255,159,67,.15);
    }

    .tech-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 900;
      text-transform: uppercase;
      letter-spacing: .06em;
      margin-bottom: 16px;
    }

    .tech-label.diode {
      background: var(--ice);
      color: var(--blue);
    }

    .tech-label.ipl {
      background: #fff4e7;
      color: #c46b00;
    }

    .tech-card ul {
      padding-left: 20px;
      margin: 18px 0 0;
      color: var(--muted);
    }

    .tech-card li {
      margin: 8px 0;
    }

    .score-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      overflow: hidden;
      border-radius: 26px;
      border: 1px solid var(--line);
      background: #ffffff;
      margin-top: 24px;
    }

    .score-table th {
      background: var(--navy);
      color: #ffffff;
      text-align: left;
      padding: 16px;
      font-size: 14px;
    }

    .score-table td {
      padding: 16px;
      border-bottom: 1px solid var(--line);
      vertical-align: top;
      color: var(--muted);
    }

    .score-table tr:last-child td {
      border-bottom: 0;
    }

    .score-table td:first-child {
      color: var(--navy);
      font-weight: 900;
      width: 25%;
    }

    .tag {
      display: inline-flex;
      padding: 6px 10px;
      border-radius: 999px;
      background: var(--ice);
      color: var(--blue);
      font-size: 12px;
      font-weight: 900;
    }

    .tag.orange {
      background: #fff4e7;
      color: #b86600;
    }

    .decision-grid {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 26px;
      align-items: start;
      margin-top: 24px;
    }

    .decision-panel {
      border-radius: 28px;
      padding: 28px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.22);
    }

    .decision-panel strong {
      display: block;
      color: #ffffff;
      font-size: 36px;
      line-height: 1;
      margin-bottom: 10px;
      letter-spacing: -1px;
    }

    .decision-list {
      display: grid;
      gap: 14px;
    }

    .decision-item {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      align-items: start;
      padding: 18px;
      border-radius: 22px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.18);
    }

    .decision-icon {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      background: #ffffff;
      color: var(--blue);
      font-weight: 900;
    }

    .decision-item h3 {
      margin-bottom: 5px;
    }

    .clinic-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .clinic-card {
      padding: 24px;
      border-radius: 24px;
      border: 1px solid var(--line);
      background: #ffffff;
      box-shadow: 0 10px 24px rgba(14,42,71,.05);
    }

    .clinic-card .number {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      background: linear-gradient(135deg, var(--blue), var(--cyan));
      color: #ffffff;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .clinic-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .product-cta {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 20px;
      align-items: center;
      margin-top: 26px;
      padding: 24px;
      border-radius: 28px;
      background: #ffffff;
      color: var(--text);
      border: 1px solid rgba(255,255,255,.24);
    }

    .product-cta h3 {
      margin-bottom: 5px;
    }

    .product-cta p {
      margin: 0;
      color: var(--muted);
    }

    .faq-wrap {
      display: grid;
      gap: 14px;
      margin-top: 24px;
    }

    details {
      border-radius: 22px;
      border: 1px solid var(--line);
      background: #ffffff;
      padding: 18px 20px;
    }

    summary {
      cursor: pointer;
      color: var(--navy);
      font-weight: 900;
      font-size: 17px;
    }

    details p {
      margin: 12px 0 0;
      color: var(--muted);
    }

    .keyword-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .keyword-cloud span {
      padding: 8px 12px;
      border-radius: 999px;
      background: var(--ice);
      color: var(--navy);
      border: 1px solid var(--line);
      font-size: 13px;
      font-weight: 800;
    }

    .disclaimer {
      margin-top: 24px;
      padding: 16px;
      border-radius: 18px;
      background: #f8fcff;
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
    }

    @media (max-width: 960px) {
      .hero-grid,
      .comparison-stage,
      .decision-grid,
      .product-cta {
        grid-template-columns: 1fr;
      }

      .quick-answer,
      .clinic-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {
      .dl-page {
        padding: 14px 14px 56px;
      }

      .hero,
      .section {
        border-radius: 24px;
        padding: 24px;
      }

      h1 {
        letter-spacing: -1px;
      }

      .quick-answer,
      .clinic-grid {
        grid-template-columns: 1fr;
      }

      .nav-pills {
        display: grid;
        grid-template-columns: 1fr;
      }

      .hero-actions,
      .product-cta {
        align-items: stretch;
      }

      .btn-primary,
      .btn-ghost {
        width: 100%;
      }

      .score-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
      }
    }