:root {
      --hksev-blue-950: #06245f;
      --hksev-blue-900: #083478;
      --hksev-blue-700: #0758c7;
      --hksev-blue-600: #1168d8;
      --hksev-blue-100: #e9f3ff;
      --hksev-blue-050: #f4f9ff;
      --hksev-ink: #10213d;
      --hksev-muted: #53647d;
      --hksev-line: #d5e2f0;
      --hksev-white: #ffffff;
      --hksev-whatsapp: #159947;
      --hksev-whatsapp-dark: #0f7f3a;
      --hksev-urgent: #d9363e;
      --hksev-urgent-soft: #fff1f1;
      --hksev-success: #11883e;
      --hksev-radius: 18px;
      --hksev-shadow: 0 12px 36px rgba(16, 54, 102, .10);
      --hksev-max: 1280px;
    }

    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--hksev-white);
      color: var(--hksev-ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang HK", "Microsoft JhengHei", Arial, sans-serif;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    .hksev-page,
    .hksev-page * { box-sizing: border-box; }

    .hksev-mobile-bar,
    .hksev-mobile-bar * { box-sizing: border-box; }

    .hksev-page {
      width: 100%;
      overflow: hidden;
      background: var(--hksev-white);
      color: var(--hksev-ink);
      font-size: 16px;
      line-height: 1.72;
    }

    .hksev-page a { color: inherit; }
    .hksev-page img { display: block; max-width: 100%; }
    .hksev-page svg { display: block; }

    .hksev-shell {
      width: min(var(--hksev-max), calc(100% - 40px));
      margin-inline: auto;
    }

    .hksev-section { padding: 84px 0; }
    .hksev-section--soft { background: var(--hksev-blue-050); }
    .hksev-section--tight { padding-top: 64px; padding-bottom: 64px; }

    .hksev-section-head {
      max-width: 780px;
      margin: 0 auto 42px;
      text-align: center;
    }

    .hksev-section-head--left {
      max-width: 760px;
      margin-inline: 0;
      text-align: left;
    }

    .hksev-h2 {
      margin: 0;
      color: var(--hksev-blue-950);
      font-size: clamp(30px, 4vw, 44px);
      line-height: 1.18;
      letter-spacing: -.035em;
      font-weight: 850;
    }

    .hksev-h3 {
      margin: 0;
      color: var(--hksev-blue-950);
      font-size: 21px;
      line-height: 1.35;
      font-weight: 800;
    }

    .hksev-lead {
      margin: 16px 0 0;
      color: var(--hksev-muted);
      font-size: 18px;
      line-height: 1.75;
    }

    .hksev-kicker {
      display: block;
      margin-bottom: 10px;
      color: var(--hksev-blue-700);
      font-size: 14px;
      line-height: 1.4;
      letter-spacing: .08em;
      font-weight: 800;
      text-transform: uppercase;
    }

    .hksev-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 54px;
      padding: 13px 20px;
      border: 2px solid transparent;
      border-radius: 13px;
      text-decoration: none;
      font: inherit;
      font-size: 16px;
      line-height: 1.25;
      font-weight: 800;
      text-align: center;
      cursor: pointer;
      transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease;
    }

    .hksev-btn:hover { transform: translateY(-2px); }
    .hksev-btn:focus-visible,
    .hksev-faq summary:focus-visible {
      outline: 3px solid rgba(17, 104, 216, .28);
      outline-offset: 3px;
    }

    .hksev-btn--blue {
      background: var(--hksev-blue-700);
      color: var(--hksev-white) !important;
      box-shadow: 0 10px 24px rgba(7, 88, 199, .22);
    }

    .hksev-btn--blue:hover { background: var(--hksev-blue-900); }

    .hksev-btn--whatsapp {
      background: var(--hksev-whatsapp);
      color: var(--hksev-white) !important;
      box-shadow: 0 10px 24px rgba(21, 153, 71, .20);
    }

    .hksev-btn--whatsapp:hover { background: var(--hksev-whatsapp-dark); }

    .hksev-btn--urgent {
      background: var(--hksev-urgent);
      color: var(--hksev-white) !important;
      box-shadow: 0 10px 24px rgba(217, 54, 62, .18);
    }

    .hksev-btn--outline {
      border-color: var(--hksev-blue-700);
      background: var(--hksev-white);
      color: var(--hksev-blue-900) !important;
    }

    .hksev-btn--outline:hover { background: var(--hksev-blue-050); }

    .hksev-icon {
      width: 23px;
      height: 23px;
      flex: 0 0 23px;
      stroke: currentColor;
      stroke-width: 2;
      fill: none;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .hksev-hero {
      padding: 46px 0 56px;
      background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
      border-bottom: 1px solid var(--hksev-line);
    }

    .hksev-hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr);
      gap: 48px;
      align-items: center;
    }

    .hksev-h1 {
      margin: 0;
      max-width: 720px;
      color: var(--hksev-blue-950);
      font-size: clamp(40px, 5.2vw, 64px);
      line-height: 1.08;
      letter-spacing: -.05em;
      font-weight: 900;
    }

    .hksev-hero-copy {
      margin: 22px 0 0;
      max-width: 680px;
      color: #334968;
      font-size: clamp(17px, 2vw, 20px);
      line-height: 1.7;
    }

    .hksev-hero-note {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin: 22px 0 0;
      padding: 13px 15px;
      border-left: 4px solid var(--hksev-urgent);
      background: var(--hksev-urgent-soft);
      color: #84242a;
      font-size: 15px;
      line-height: 1.6;
      font-weight: 700;
    }

    .hksev-hero-actions {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 26px;
    }

    .hksev-hero-actions .hksev-btn { padding-inline: 12px; }

    .hksev-quick-branches {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      margin-top: 18px;
      border: 1px solid var(--hksev-line);
      border-radius: 15px;
      background: var(--hksev-white);
      box-shadow: 0 8px 24px rgba(16, 54, 102, .06);
    }

    .hksev-quick-branch {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 12px;
      padding: 16px;
      text-decoration: none;
    }

    .hksev-quick-branch + .hksev-quick-branch { border-left: 1px solid var(--hksev-line); }

    .hksev-quick-icon {
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--hksev-blue-100);
      color: var(--hksev-blue-700);
    }

    .hksev-quick-icon--urgent {
      background: var(--hksev-urgent-soft);
      color: var(--hksev-urgent);
    }

    .hksev-quick-title {
      display: block;
      color: var(--hksev-blue-950);
      font-weight: 850;
      line-height: 1.3;
    }

    .hksev-quick-phone {
      display: block;
      margin-top: 2px;
      color: var(--hksev-blue-700);
      font-size: 18px;
      font-weight: 850;
      line-height: 1.35;
    }

    .hksev-quick-meta {
      display: block;
      margin-top: 3px;
      color: var(--hksev-muted);
      font-size: 13px;
      line-height: 1.4;
    }

    .hksev-hero-media {
      position: relative;
      margin: 0;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      border: 6px solid var(--hksev-white);
      border-radius: 22px;
      background: #dce9f7;
      box-shadow: var(--hksev-shadow);
    }

    .hksev-hero-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: 62% center;
    }

    .hksev-hero-caption {
      position: absolute;
      right: 14px;
      bottom: 14px;
      padding: 7px 11px;
      border-radius: 9px;
      background: rgba(6, 36, 95, .92);
      color: var(--hksev-white);
      font-size: 12px;
      line-height: 1.3;
      font-weight: 750;
    }

    .hksev-symptom-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .hksev-symptom-card {
      position: relative;
      min-height: 196px;
      padding: 25px 23px 23px;
      border: 1px solid var(--hksev-line);
      border-radius: var(--hksev-radius);
      background: var(--hksev-white);
      box-shadow: 0 9px 28px rgba(16, 54, 102, .07);
    }

    .hksev-symptom-number {
      display: grid;
      place-items: center;
      width: 34px;
      height: 34px;
      margin-bottom: 18px;
      border-radius: 50%;
      background: var(--hksev-blue-700);
      color: var(--hksev-white);
      font-weight: 850;
      line-height: 1;
    }

    .hksev-symptom-card p,
    .hksev-info-row p,
    .hksev-treatment-card p,
    .hksev-process-step p {
      margin: 9px 0 0;
      color: var(--hksev-muted);
      line-height: 1.65;
    }

    .hksev-alert-band {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 34px;
      align-items: center;
      margin-top: 32px;
      padding: 31px 34px;
      border: 1px solid #c6daf0;
      border-radius: var(--hksev-radius);
      background: #edf6ff;
    }

    .hksev-alert-band p { margin: 10px 0 0; color: #38506f; }

    .hksev-alert-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .hksev-alert-list li {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      color: #6f2630;
      font-weight: 750;
    }

    .hksev-alert-dot {
      width: 9px;
      height: 9px;
      flex: 0 0 9px;
      margin-top: 9px;
      border-radius: 50%;
      background: var(--hksev-urgent);
    }

    .hksev-explain-grid {
      display: grid;
      grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
      gap: 54px;
      align-items: start;
    }

    .hksev-explain-copy p { color: var(--hksev-muted); }

    .hksev-cause-list {
      display: grid;
      gap: 12px;
      margin: 28px 0 0;
      padding: 0;
      list-style: none;
    }

    .hksev-cause-list li {
      display: grid;
      grid-template-columns: 30px 1fr;
      gap: 12px;
      align-items: start;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--hksev-line);
    }

    .hksev-cause-check {
      display: grid;
      place-items: center;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--hksev-blue-100);
      color: var(--hksev-blue-700);
      font-weight: 900;
    }

    .hksev-info-panel {
      border: 1px solid var(--hksev-line);
      border-radius: var(--hksev-radius);
      background: var(--hksev-white);
      box-shadow: var(--hksev-shadow);
      overflow: hidden;
    }

    .hksev-info-row {
      display: grid;
      grid-template-columns: 62px 1fr;
      gap: 18px;
      padding: 24px;
    }

    .hksev-info-row + .hksev-info-row { border-top: 1px solid var(--hksev-line); }

    .hksev-info-icon {
      display: grid;
      place-items: center;
      width: 58px;
      height: 58px;
      border-radius: 16px;
      background: var(--hksev-blue-100);
      color: var(--hksev-blue-700);
    }

    .hksev-info-icon .hksev-icon { width: 29px; height: 29px; }

    .hksev-treatment-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 20px;
    }

    .hksev-treatment-card {
      padding: 29px 27px;
      border-top: 4px solid var(--hksev-blue-700);
      border-radius: 4px 4px var(--hksev-radius) var(--hksev-radius);
      background: var(--hksev-white);
      box-shadow: var(--hksev-shadow);
    }

    .hksev-treatment-card--featured {
      border: 1px solid #b9d3ee;
      border-top: 4px solid var(--hksev-blue-700);
      background: #f8fbff;
    }

    .hksev-treatment-label {
      color: var(--hksev-blue-700);
      font-size: 14px;
      font-weight: 850;
    }

    .hksev-treatment-list {
      margin: 16px 0 0;
      padding-left: 20px;
      color: var(--hksev-muted);
    }

    .hksev-treatment-list li + li { margin-top: 7px; }

    .hksev-why-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0 54px;
    }

    .hksev-why-item {
      display: grid;
      grid-template-columns: 54px 1fr;
      gap: 17px;
      padding: 25px 0;
      border-bottom: 1px solid var(--hksev-line);
    }

    .hksev-why-icon {
      display: grid;
      place-items: center;
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--hksev-blue-100);
      color: var(--hksev-blue-700);
    }

    .hksev-why-item p { margin: 7px 0 0; color: var(--hksev-muted); }

    .hksev-process {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 18px;
      counter-reset: hksev-step;
    }

    .hksev-process-step {
      position: relative;
      padding: 70px 18px 22px;
      text-align: center;
      counter-increment: hksev-step;
    }

    .hksev-process-step::before {
      content: counter(hksev-step);
      position: absolute;
      top: 0;
      left: 50%;
      z-index: 2;
      display: grid;
      place-items: center;
      width: 50px;
      height: 50px;
      border: 7px solid var(--hksev-blue-100);
      border-radius: 50%;
      background: var(--hksev-blue-700);
      color: var(--hksev-white);
      font-size: 18px;
      font-weight: 850;
      transform: translateX(-50%);
    }

    .hksev-process-step:not(:last-child)::after {
      content: "";
      position: absolute;
      top: 24px;
      left: calc(50% + 32px);
      width: calc(100% - 46px);
      height: 2px;
      background: #a9c8ea;
    }

    .hksev-process-note {
      margin-top: 34px;
      padding: 20px 24px;
      border-left: 4px solid var(--hksev-blue-700);
      background: var(--hksev-blue-050);
      color: #334968;
    }

    .hksev-price-wrap {
      overflow: hidden;
      border: 1px solid var(--hksev-line);
      border-radius: var(--hksev-radius);
      background: var(--hksev-white);
      box-shadow: var(--hksev-shadow);
    }

    .hksev-price-table {
      width: 100%;
      border-collapse: collapse;
      table-layout: fixed;
    }

    .hksev-price-table th {
      padding: 16px 20px;
      background: var(--hksev-blue-950);
      color: var(--hksev-white);
      font-size: 15px;
      line-height: 1.4;
      text-align: left;
    }

    .hksev-price-table th:first-child { width: 18%; }
    .hksev-price-table th:nth-child(2) { width: 36%; }

    .hksev-price-table td {
      padding: 18px 20px;
      border-top: 1px solid var(--hksev-line);
      color: #263d5c;
      vertical-align: middle;
    }

    .hksev-price-table tbody tr:nth-child(even) { background: var(--hksev-blue-050); }

    .hksev-price-amount {
      color: var(--hksev-blue-950);
      font-size: 21px;
      font-weight: 900;
      white-space: nowrap;
    }

    .hksev-price-inclusions {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0;
      border-top: 1px solid var(--hksev-line);
    }

    .hksev-inclusion-col { padding: 28px 30px; }
    .hksev-inclusion-col + .hksev-inclusion-col { border-left: 1px solid var(--hksev-line); }

    .hksev-check-list {
      display: grid;
      gap: 10px;
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .hksev-check-list li {
      display: grid;
      grid-template-columns: 24px 1fr;
      gap: 10px;
      align-items: start;
      color: #374c68;
    }

    .hksev-check-mark,
    .hksev-cross-mark {
      display: grid;
      place-items: center;
      width: 22px;
      height: 22px;
      margin-top: 3px;
      border-radius: 50%;
      font-size: 14px;
      line-height: 1;
      font-weight: 900;
    }

    .hksev-check-mark { background: #e6f7ed; color: var(--hksev-success); }
    .hksev-cross-mark { background: var(--hksev-urgent-soft); color: var(--hksev-urgent); }

    .hksev-price-disclaimer {
      padding: 22px 28px;
      border-top: 1px solid var(--hksev-line);
      background: #eaf4ff;
      color: var(--hksev-blue-950);
      font-weight: 850;
      text-align: center;
    }

    .hksev-price-notes {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px 24px;
      margin: 20px 0 0;
      padding: 22px 26px;
      border-left: 4px solid var(--hksev-blue-700);
      background: var(--hksev-white);
      color: var(--hksev-muted);
      font-size: 14px;
    }

    .hksev-price-notes p { margin: 0; }

    .hksev-review-notice {
      margin: -18px auto 30px;
      max-width: 840px;
      padding: 13px 16px;
      border: 1px solid #c8d9ea;
      border-radius: 12px;
      background: #f8fbff;
      color: #4b607b;
      font-size: 14px;
      text-align: center;
    }

    .hksev-review-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 20px;
    }

    .hksev-review-card {
      padding: 27px 28px;
      border: 1px solid var(--hksev-line);
      border-radius: var(--hksev-radius);
      background: var(--hksev-white);
      box-shadow: 0 9px 28px rgba(16, 54, 102, .07);
    }

    .hksev-stars {
      color: #f2ad16;
      font-size: 21px;
      line-height: 1;
      letter-spacing: .08em;
    }

    .hksev-review-quote {
      margin: 17px 0 0;
      color: #2c405d;
      font-size: 17px;
      line-height: 1.75;
    }

    .hksev-review-name {
      display: block;
      margin-top: 18px;
      color: var(--hksev-blue-900);
      font-size: 14px;
      font-weight: 800;
    }

    .hksev-branch-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 24px;
    }

    .hksev-branch-card {
      overflow: hidden;
      border: 1px solid var(--hksev-line);
      border-radius: var(--hksev-radius);
      background: var(--hksev-white);
      box-shadow: var(--hksev-shadow);
    }

    .hksev-branch-body { padding: 28px 28px 24px; }

    .hksev-branch-tag {
      display: inline-block;
      margin-bottom: 8px;
      color: var(--hksev-blue-700);
      font-size: 13px;
      letter-spacing: .04em;
      font-weight: 850;
    }

    .hksev-branch-tag--urgent { color: var(--hksev-urgent); }

    .hksev-branch-details {
      display: grid;
      gap: 10px;
      margin: 20px 0 0;
      padding: 0;
      list-style: none;
    }

    .hksev-branch-details li {
      display: grid;
      grid-template-columns: 23px 1fr;
      gap: 11px;
      align-items: start;
      color: #40536d;
    }

    .hksev-branch-details .hksev-icon {
      width: 20px;
      height: 20px;
      margin-top: 4px;
      color: var(--hksev-blue-700);
    }

    .hksev-map {
      position: relative;
      aspect-ratio: 16 / 9;
      border-top: 1px solid var(--hksev-line);
      border-bottom: 1px solid var(--hksev-line);
      background: #e8eef6;
    }

    .hksev-map iframe {
      display: block;
      width: 100%;
      height: 100%;
      border: 0;
    }

    .hksev-branch-actions {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 9px;
      padding: 18px;
    }

    .hksev-branch-actions .hksev-btn {
      min-height: 48px;
      padding: 10px 9px;
      font-size: 14px;
    }

    .hksev-faq {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px 18px;
      align-items: start;
    }

    .hksev-faq details {
      overflow: hidden;
      border: 1px solid var(--hksev-line);
      border-radius: 13px;
      background: var(--hksev-white);
      box-shadow: 0 5px 18px rgba(16, 54, 102, .045);
    }

    .hksev-faq summary {
      position: relative;
      padding: 18px 50px 18px 20px;
      color: var(--hksev-blue-950);
      font-size: 17px;
      font-weight: 800;
      line-height: 1.45;
      cursor: pointer;
      list-style: none;
    }

    .hksev-faq summary::-webkit-details-marker { display: none; }

    .hksev-faq summary::after {
      content: "+";
      position: absolute;
      top: 50%;
      right: 20px;
      color: var(--hksev-blue-700);
      font-size: 25px;
      line-height: 1;
      transform: translateY(-50%);
    }

    .hksev-faq details[open] summary::after { content: "−"; }

    .hksev-faq-answer {
      padding: 0 20px 20px;
      color: var(--hksev-muted);
      line-height: 1.75;
    }

    .hksev-final-cta {
      padding: 42px 0 46px;
      background: var(--hksev-blue-950);
      color: var(--hksev-white);
    }

    .hksev-final-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 30px;
      align-items: center;
    }

    .hksev-final-title {
      margin: 0;
      color: var(--hksev-white);
      font-size: clamp(27px, 4vw, 40px);
      line-height: 1.2;
      font-weight: 850;
    }

    .hksev-final-copy { margin: 10px 0 0; color: #d6e5f8; }

    .hksev-final-actions {
      display: grid;
      grid-template-columns: repeat(2, minmax(170px, 1fr));
      gap: 12px;
    }

    .hksev-mobile-bar { display: none; }

    @media (max-width: 1020px) {
      .hksev-hero-grid { grid-template-columns: 1fr; }
      .hksev-explain-grid { grid-template-columns: 1fr; }
      .hksev-process { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .hksev-process-step::after { display: none; }
      .hksev-branch-actions { grid-template-columns: 1fr; }
      .hksev-final-grid { grid-template-columns: 1fr; }
      .hksev-final-actions { max-width: 520px; }
    }

    @media (max-width: 767px) {
      body { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }
      .hksev-page { font-size: 15px; }
      .hksev-shell { width: min(100% - 28px, var(--hksev-max)); }
      .hksev-section { padding: 60px 0; }
      .hksev-section--tight { padding-top: 50px; padding-bottom: 50px; }
      .hksev-section-head { margin-bottom: 30px; text-align: left; }
      .hksev-h2 { font-size: 31px; }
      .hksev-h3 { font-size: 19px; }
      .hksev-lead { font-size: 16px; }
      .hksev-kicker { font-size: 12px; }
      .hksev-hero { padding: 20px 0 38px; }
      .hksev-hero-grid { gap: 28px; }
      .hksev-hero-media { border-width: 4px; border-radius: 17px; }
      .hksev-h1 { font-size: clamp(36px, 11.3vw, 50px); }
      .hksev-hero-copy { margin-top: 16px; font-size: 17px; }
      .hksev-hero-note { margin-top: 17px; }
      .hksev-hero-actions { grid-template-columns: 1fr; margin-top: 20px; }
      .hksev-hero-actions .hksev-btn { min-height: 58px; }
      .hksev-quick-branches { grid-template-columns: 1fr; }
      .hksev-quick-branch + .hksev-quick-branch {
        border-top: 1px solid var(--hksev-line);
        border-left: 0;
      }
      .hksev-symptom-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
      .hksev-symptom-card { min-height: 0; padding: 20px 16px; }
      .hksev-symptom-card p { font-size: 14px; }
      .hksev-alert-band { grid-template-columns: 1fr; padding: 24px 20px; }
      .hksev-info-row { grid-template-columns: 48px 1fr; gap: 13px; padding: 20px 17px; }
      .hksev-info-icon { width: 46px; height: 46px; border-radius: 13px; }
      .hksev-treatment-grid,
      .hksev-why-grid,
      .hksev-review-grid,
      .hksev-branch-grid,
      .hksev-faq { grid-template-columns: 1fr; }
      .hksev-treatment-card { padding: 24px 21px; }
      .hksev-why-grid { gap: 0; }
      .hksev-why-item { grid-template-columns: 46px 1fr; gap: 13px; }
      .hksev-why-icon { width: 44px; height: 44px; }
      .hksev-process { grid-template-columns: 1fr; gap: 3px; }
      .hksev-process-step {
        min-height: 96px;
        padding: 8px 0 22px 70px;
        text-align: left;
      }
      .hksev-process-step::before {
        top: 0;
        left: 24px;
        width: 44px;
        height: 44px;
        border-width: 6px;
      }
      .hksev-process-note { margin-top: 22px; padding: 18px; }
      .hksev-price-wrap { overflow: visible; border: 0; background: transparent; box-shadow: none; }
      .hksev-price-table,
      .hksev-price-table tbody { display: block; }
      .hksev-price-table thead { display: none; }
      .hksev-price-table tr {
        display: grid;
        grid-template-columns: 1fr 1.5fr;
        gap: 8px 14px;
        margin-bottom: 12px;
        padding: 18px;
        border: 1px solid var(--hksev-line);
        border-radius: 14px;
        background: var(--hksev-white) !important;
        box-shadow: 0 6px 20px rgba(16, 54, 102, .06);
      }
      .hksev-price-table td {
        display: block;
        padding: 0;
        border: 0;
      }
      .hksev-price-table td::before {
        display: block;
        margin-bottom: 2px;
        color: var(--hksev-muted);
        font-size: 11px;
        font-weight: 750;
      }
      .hksev-price-table td:nth-child(1)::before { content: "類別"; }
      .hksev-price-table td:nth-child(2)::before { content: "體重"; }
      .hksev-price-table td:nth-child(3) { grid-column: 1 / -1; padding-top: 10px; border-top: 1px solid var(--hksev-line); }
      .hksev-price-table td:nth-child(3)::before { content: "參考價錢"; }
      .hksev-price-amount { font-size: 22px; }
      .hksev-price-inclusions { grid-template-columns: 1fr; }
      .hksev-inclusion-col {
        padding: 24px 20px;
        border: 1px solid var(--hksev-line);
        border-radius: 14px;
        background: var(--hksev-white);
      }
      .hksev-inclusion-col + .hksev-inclusion-col { margin-top: 12px; border-left: 1px solid var(--hksev-line); }
      .hksev-price-disclaimer { margin-top: 12px; border-radius: 13px; }
      .hksev-price-notes { grid-template-columns: 1fr; padding: 19px; }
      .hksev-review-card { padding: 23px 21px; }
      .hksev-branch-body { padding: 23px 20px 20px; }
      .hksev-branch-actions { grid-template-columns: 1fr; padding: 14px; }
      .hksev-faq summary { font-size: 16px; }
      .hksev-final-cta { padding: 38px 0; }
      .hksev-final-actions { grid-template-columns: 1fr; max-width: none; }
      .hksev-mobile-bar {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 99999;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 7px;
        padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
        border-top: 1px solid #c6d5e6;
        background: rgba(255, 255, 255, .98);
        box-shadow: 0 -8px 24px rgba(16, 54, 102, .14);
      }
      .hksev-mobile-action {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        min-height: 58px;
        padding: 6px 4px;
        border-radius: 11px;
        background: var(--hksev-blue-700);
        color: var(--hksev-white) !important;
        text-decoration: none;
        font-size: 12px;
        line-height: 1.2;
        font-weight: 850;
      }
      .hksev-mobile-action--whatsapp { background: var(--hksev-whatsapp); }
      .hksev-mobile-action--urgent { background: var(--hksev-urgent); }
      .hksev-mobile-action .hksev-icon { width: 22px; height: 22px; }
    }

    @media (max-width: 420px) {
      .hksev-shell { width: min(100% - 22px, var(--hksev-max)); }
      .hksev-symptom-grid { grid-template-columns: 1fr; }
      .hksev-h1 { font-size: 35px; }
      .hksev-quick-branch { padding: 14px; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .hksev-btn { transition: none; }
    }

    @media print {
      body { padding-bottom: 0; }
      .hksev-mobile-bar { display: none !important; }
      .hksev-btn { box-shadow: none; }
    }

    /* Preview-faithful landing page composition */
    :root {
      --hksev-max: 1440px;
      --hksev-preview-blue: #0757c9;
      --hksev-preview-navy: #06265f;
      --hksev-preview-soft: #edf7ff;
    }

    .hksev-page { line-height: 1.65; }
    .hksev-section { padding: 70px 0; }
    .hksev-section-head { margin-bottom: 36px; }
    .hksev-h2 { font-size: clamp(34px, 3vw, 46px); }

    .hksev-hero {
      padding: 58px 0 42px;
      background: #fff;
      border-bottom: 0;
    }
    .hksev-hero-grid {
      grid-template-columns: minmax(0, .95fr) minmax(560px, 1.05fr);
      gap: 30px;
      align-items: center;
    }
    .hksev-h1 {
      max-width: 760px;
      color: var(--hksev-preview-navy);
      font-size: clamp(50px, 4vw, 64px);
      line-height: 1.12;
      letter-spacing: -.045em;
    }
    .hksev-hero-copy {
      max-width: 720px;
      margin-top: 20px;
      color: #172f56;
      font-size: clamp(18px, 1.45vw, 22px);
      line-height: 1.65;
    }
    .hksev-hero-actions { margin-top: 24px; }
    .hksev-hero-actions .hksev-btn { min-height: 68px; border-radius: 14px; }
    .hksev-quick-branches { margin-top: 18px; border-radius: 16px; box-shadow: none; }
    .hksev-quick-branch { padding: 15px 18px; }
    .hksev-quick-phone { color: var(--hksev-preview-blue); }
    .hksev-hero-media {
      border: 6px solid #fff;
      border-radius: 24px;
      box-shadow: 0 9px 28px rgba(12, 51, 105, .16), 0 0 0 1px #d5e2f0;
    }
    .hksev-hero-caption { background: var(--hksev-preview-blue); }

    .hksev-section[aria-labelledby="hksev-symptoms-title"] {
      padding-top: 34px;
      background: linear-gradient(180deg, #eaf6ff 0%, #f8fcff 100%);
    }
    .hksev-section[aria-labelledby="hksev-symptoms-title"] .hksev-section-head { margin-bottom: 30px; }
    .hksev-symptom-grid {
      grid-template-columns: repeat(6, minmax(0, 1fr));
      gap: 12px;
    }
    .hksev-symptom-card {
      min-height: 0;
      padding: 0;
      overflow: hidden;
      border: 5px solid #fff;
      border-radius: 23px;
      background: #fff;
      box-shadow: 0 8px 22px rgba(20, 65, 118, .10), 0 0 0 1px #d5e2f0;
    }
    .hksev-symptom-photo {
      width: 100%;
      height: auto;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      border-radius: 17px 17px 0 0;
    }
    .hksev-symptom-body { padding: 15px 13px 18px; }
    .hksev-symptom-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 36px;
      margin-bottom: 9px;
      color: var(--hksev-preview-blue);
    }
    .hksev-symptom-top .hksev-icon { width: 32px; height: 32px; }
    .hksev-symptom-number { width: 31px; height: 31px; margin: 0; }
    .hksev-symptom-card .hksev-h3 { font-size: 18px; line-height: 1.35; }
    .hksev-symptom-card p { margin-top: 7px; font-size: 14px; line-height: 1.55; }
    .hksev-alert-band { margin-top: 28px; }

    .hksev-section[aria-labelledby="hksev-why-title"] { padding-top: 74px; }
    .hksev-why-item { padding: 21px 0; }
    .hksev-why-icon {
      width: 58px;
      height: 58px;
      border-radius: 16px;
      background: #fff;
      color: var(--hksev-preview-blue);
      box-shadow: 0 0 0 1px #cddff1;
    }

    .hksev-section[aria-labelledby="hksev-cause-title"] {
      padding: 28px 0 58px;
      background: #fff;
    }
    .hksev-section[aria-labelledby="hksev-cause-title"] .hksev-explain-grid {
      padding: 36px 42px;
      border-radius: 24px;
      background: linear-gradient(110deg, #eff8ff 0%, #f8fbff 100%);
      box-shadow: inset 0 0 0 1px #dbe9f6;
    }

    .hksev-process {
      padding: 34px 26px 24px;
      border-radius: 24px;
      background: linear-gradient(180deg, #f7fbff 0%, #edf7ff 100%);
      box-shadow: inset 0 0 0 1px #dbe8f5;
    }
    .hksev-process-step { padding: 88px 16px 18px; }
    .hksev-process-icon {
      position: absolute;
      top: 9px;
      left: 50%;
      z-index: 2;
      display: grid;
      place-items: center;
      width: 68px;
      height: 68px;
      border-radius: 50%;
      background: #fff;
      color: var(--hksev-preview-blue);
      box-shadow: 0 6px 18px rgba(25, 76, 135, .10), 0 0 0 1px #d6e5f3;
      transform: translateX(-50%);
    }
    .hksev-process-icon .hksev-icon { width: 34px; height: 34px; }
    .hksev-process-step::before {
      top: -1px;
      left: calc(50% - 35px);
      width: 29px;
      height: 29px;
      border: 0;
      font-size: 13px;
      transform: none;
    }
    .hksev-process-step:not(:last-child)::after {
      top: 42px;
      left: calc(50% + 49px);
      width: calc(100% - 78px);
      background: var(--hksev-preview-blue);
    }

    .hksev-section[aria-labelledby="hksev-price-title"] { background: #f5f8fc; }
    .hksev-section[aria-labelledby="hksev-price-title"] > .hksev-shell {
      padding: 44px;
      border: 1px solid #d9e4ef;
      border-radius: 24px;
      background: #fff;
      box-shadow: 0 10px 30px rgba(19, 55, 101, .08);
    }
    .hksev-section[aria-labelledby="hksev-price-title"] .hksev-section-head {
      max-width: 100%;
      margin-inline: 0;
      text-align: left;
    }
    .hksev-price-table th {
      padding: 19px 24px;
      background: linear-gradient(90deg, #0757c9, #073f9f);
      font-size: 17px;
      text-align: center;
    }
    .hksev-price-table th:first-child { width: 28%; }
    .hksev-price-table th:nth-child(2) { width: 37%; }
    .hksev-price-table th:nth-child(3) { width: 35%; }
    .hksev-price-table td { padding: 20px 24px; }
    .hksev-price-table td:nth-child(2) { text-align: center; }
    .hksev-price-grade { color: var(--hksev-preview-navy); font-size: 18px; font-weight: 800; }
    .hksev-price-animal { display: inline-block; min-width: 2.5em; color: var(--hksev-preview-blue); }
    .hksev-price-amount { color: #0648ad; font-size: 24px; }
    .hksev-price-inclusions { margin: 28px; border: 1px solid var(--hksev-line); border-radius: 18px; overflow: hidden; }
    .hksev-price-disclaimer { font-size: 18px; }

    .hksev-section[aria-labelledby="hksev-reviews-title"] {
      background: linear-gradient(180deg, #eef8ff 0%, #f7fbff 100%);
    }
    .hksev-review-card { box-shadow: 0 8px 22px rgba(20, 65, 118, .08); }

    .hksev-final-cta {
      padding: 28px 0 38px;
      background: #f7fbff;
      color: var(--hksev-preview-navy);
    }
    .hksev-final-grid {
      padding: 26px 30px;
      border: 2px solid var(--hksev-preview-blue);
      border-radius: 18px;
      background: #fff;
    }
    .hksev-final-title { color: var(--hksev-preview-navy); }
    .hksev-final-copy { color: #53647d; }

    @media (max-width: 1180px) {
      .hksev-hero-grid { grid-template-columns: 1fr 1fr; }
      .hksev-symptom-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
    }

    @media (max-width: 1020px) {
      .hksev-hero-grid { grid-template-columns: 1fr; }
      .hksev-hero-media { max-width: 760px; }
      .hksev-process { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .hksev-process-step::after { display: none; }
    }

    @media (max-width: 767px) {
      .hksev-section { padding: 52px 0; }
      .hksev-hero { padding: 24px 0 34px; }
      .hksev-hero-grid { gap: 24px; }
      .hksev-h1 { font-size: clamp(35px, 10.3vw, 47px); line-height: 1.13; }
      .hksev-hero-copy { font-size: 16px; }
      .hksev-hero-actions { grid-template-columns: 1fr 1fr; gap: 10px; }
      .hksev-hero-actions .hksev-btn { min-height: 56px; padding: 10px 8px; font-size: 14px; }
      .hksev-hero-actions .hksev-btn:last-child { grid-column: 1 / -1; }
      .hksev-quick-branch { padding: 13px; }
      .hksev-section[aria-labelledby="hksev-symptoms-title"] { padding-top: 32px; }
      .hksev-symptom-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
      .hksev-symptom-card { padding: 0; border-width: 4px; }
      .hksev-symptom-body { padding: 13px 11px 15px; }
      .hksev-symptom-card .hksev-h3 { font-size: 17px; }
      .hksev-symptom-card p { font-size: 13px; }
      .hksev-section[aria-labelledby="hksev-cause-title"] .hksev-explain-grid { padding: 26px 20px; }
      .hksev-process { padding: 24px 18px; }
      .hksev-process-step { min-height: 104px; padding: 8px 0 24px 82px; }
      .hksev-process-icon { top: 8px; left: 34px; width: 58px; height: 58px; transform: none; }
      .hksev-process-icon .hksev-icon { width: 28px; height: 28px; }
      .hksev-process-step::before { top: 0; left: 24px; width: 25px; height: 25px; }
      .hksev-section[aria-labelledby="hksev-price-title"] > .hksev-shell { padding: 24px 14px; border-radius: 18px; }
      .hksev-price-table tr { grid-template-columns: 1fr; }
      .hksev-price-table td:nth-child(1)::before { content: "動物／體重級別"; }
      .hksev-price-table td:nth-child(2) { padding-top: 10px; border-top: 1px solid var(--hksev-line); text-align: left; }
      .hksev-price-table td:nth-child(2)::before { content: "參考費用範圍（港幣 HK$）"; }
      .hksev-price-table td:nth-child(3) { padding-top: 10px; }
      .hksev-price-table td:nth-child(3)::before { content: "說明"; }
      .hksev-price-inclusions { margin: 18px 0; border: 0; overflow: visible; }
      .hksev-final-grid { padding: 24px 20px; }
    }

    @media (max-width: 420px) {
      .hksev-symptom-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .hksev-symptom-top .hksev-icon { width: 27px; height: 27px; }
    }