:root {
    --hksev-primary: #075ca8;
    --hksev-primary-dark: #06447d;
    --hksev-secondary: #13a8d8;
    --hksev-light: #eef8ff;
    --hksev-pale: #f7fbff;
    --hksev-text: #15324b;
    --hksev-muted: #5f7487;
    --hksev-border: #d7e7f2;
    --hksev-green: #159447;
    --hksev-green-dark: #0c7133;
    --hksev-red: #d53a47;
    --hksev-orange: #ee7d21;
    --hksev-white: #ffffff;
    --hksev-shadow: 0 12px 34px rgba(16, 72, 112, 0.12);
    --hksev-radius: 18px;
  }

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

  .hksev-page {
    width: 100%;
    overflow: hidden;
    background: var(--hksev-white);
    color: var(--hksev-text);
    font-family:
      -apple-system,
      BlinkMacSystemFont,
      "Segoe UI",
      "PingFang HK",
      "Microsoft JhengHei",
      "Noto Sans TC",
      Arial,
      sans-serif;
    font-size: 16px;
    line-height: 1.75;
  }

  .hksev-page img {
    display: block;
    max-width: 100%;
  }

  .hksev-page a {
    color: inherit;
    text-decoration: none;
  }

  .hksev-container {
    width: calc(100% - 32px);
    max-width: 1180px;
    margin: 0 auto;
  }

  .hksev-section {
    padding: 72px 0;
  }

  .hksev-section-light {
    background: var(--hksev-pale);
  }

  .hksev-section-blue {
    background:
      radial-gradient(circle at 10% 20%, rgba(38, 180, 224, 0.14), transparent 34%),
      linear-gradient(135deg, #064d8b 0%, #0874ba 100%);
    color: var(--hksev-white);
  }

  .hksev-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin: 0 0 10px;
    color: var(--hksev-primary);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.06em;
  }

  .hksev-section-blue .hksev-eyebrow {
    color: #cceeff;
  }

  .hksev-section-title {
    max-width: 820px;
    margin: 0 0 14px;
    color: var(--hksev-primary-dark);
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.25;
    letter-spacing: -0.02em;
  }

  .hksev-section-blue .hksev-section-title {
    color: var(--hksev-white);
  }

  .hksev-section-intro {
    max-width: 800px;
    margin: 0 0 34px;
    color: var(--hksev-muted);
    font-size: 17px;
  }

  .hksev-section-blue .hksev-section-intro {
    color: #e0f2ff;
  }

  .hksev-hero {
    position: relative;
    background:
      radial-gradient(circle at 88% 15%, rgba(18, 174, 220, 0.2), transparent 32%),
      linear-gradient(145deg, #edf8ff 0%, #ffffff 55%, #e8f5ff 100%);
    border-bottom: 1px solid var(--hksev-border);
  }

  .hksev-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
    gap: 38px;
    align-items: center;
    min-height: 620px;
    padding: 46px 0;
  }

  .hksev-hero-copy {
    position: relative;
    z-index: 2;
  }

  .hksev-urgent-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 17px;
    padding: 8px 13px;
    border: 1px solid #b9dbef;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    color: var(--hksev-primary);
    font-size: 14px;
    font-weight: 800;
    box-shadow: 0 6px 18px rgba(10, 87, 145, 0.08);
  }

  .hksev-urgent-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--hksev-red);
    box-shadow: 0 0 0 5px rgba(213, 58, 71, 0.12);
  }

  .hksev-hero h1 {
    margin: 0 0 18px;
    color: var(--hksev-primary-dark);
    font-size: clamp(36px, 5vw, 58px);
    line-height: 1.14;
    letter-spacing: -0.035em;
  }

  .hksev-highlight {
    color: var(--hksev-primary);
  }

  .hksev-hero-lead {
    max-width: 700px;
    margin: 0 0 22px;
    color: #3e5c72;
    font-size: 18px;
    line-height: 1.75;
  }

  .hksev-hero-alert {
    margin: 0 0 24px;
    padding: 15px 17px;
    border-left: 5px solid var(--hksev-orange);
    border-radius: 10px;
    background: #fff8ed;
    color: #70491e;
    font-size: 15px;
    font-weight: 700;
  }

  .hksev-quick-info {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-bottom: 25px;
  }

  .hksev-quick-chip {
    padding: 7px 11px;
    border: 1px solid #c9e2f2;
    border-radius: 999px;
    background: var(--hksev-white);
    color: #315a76;
    font-size: 13px;
    font-weight: 700;
  }

  .hksev-button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .hksev-btn {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 20px;
    border: 2px solid transparent;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 800;
    line-height: 1.25;
    text-align: center;
    transition:
      transform 0.18s ease,
      box-shadow 0.18s ease,
      background 0.18s ease;
  }

  .hksev-btn:hover {
    transform: translateY(-2px);
  }

  .hksev-btn-primary {
    background: var(--hksev-primary);
    color: var(--hksev-white) !important;
    box-shadow: 0 9px 22px rgba(7, 92, 168, 0.22);
  }

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

  .hksev-btn-whatsapp {
    background: var(--hksev-green);
    color: var(--hksev-white) !important;
    box-shadow: 0 9px 22px rgba(21, 148, 71, 0.2);
  }

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

  .hksev-btn-outline {
    border-color: #a9cfe7;
    background: var(--hksev-white);
    color: var(--hksev-primary) !important;
  }

  .hksev-btn-white {
    background: var(--hksev-white);
    color: var(--hksev-primary-dark) !important;
  }

  .hksev-hero-media {
    position: relative;
  }

  .hksev-hero-ratio {
    position: relative;
    overflow: hidden;
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 8px solid rgba(255, 255, 255, 0.9);
    border-radius: 24px;
    background:
      linear-gradient(135deg, rgba(7, 92, 168, 0.08), rgba(19, 168, 216, 0.13)),
      #e9f6fd;
    box-shadow: var(--hksev-shadow);
  }

  .hksev-hero-ratio img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .hksev-hero-placeholder {
    display: flex;
    width: 100%;
    height: 100%;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    color: var(--hksev-primary);
    text-align: center;
  }

  .hksev-hero-placeholder strong {
    display: block;
    margin-bottom: 5px;
    font-size: 21px;
  }

  .hksev-hero-placeholder span {
    color: var(--hksev-muted);
    font-size: 14px;
  }

  .hksev-hero-badge {
    position: absolute;
    right: -12px;
    bottom: -19px;
    max-width: 270px;
    padding: 14px 17px;
    border-radius: 14px;
    background: var(--hksev-white);
    box-shadow: var(--hksev-shadow);
    color: var(--hksev-text);
    font-size: 14px;
    font-weight: 700;
  }

  .hksev-hero-badge strong {
    display: block;
    color: var(--hksev-primary);
    font-size: 17px;
  }

  .hksev-top-contact {
    background: var(--hksev-primary-dark);
    color: var(--hksev-white);
  }

  .hksev-top-contact-inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .hksev-top-contact-item {
    display: flex;
    min-height: 86px;
    align-items: center;
    justify-content: center;
    gap: 11px;
    padding: 16px;
    border-right: 1px solid rgba(255, 255, 255, 0.18);
    text-align: left;
  }

  .hksev-top-contact-item:last-child {
    border-right: 0;
  }

  .hksev-top-contact-item span {
    display: block;
    color: #bcdcf2;
    font-size: 12px;
  }

  .hksev-top-contact-item strong {
    display: block;
    color: var(--hksev-white);
    font-size: 17px;
  }

  .hksev-icon {
    flex: 0 0 auto;
    font-size: 23px;
    line-height: 1;
  }

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

  .hksev-symptom-card,
  .hksev-feature-card,
  .hksev-review-card,
  .hksev-fee-card {
    padding: 24px;
    border: 1px solid var(--hksev-border);
    border-radius: var(--hksev-radius);
    background: var(--hksev-white);
    box-shadow: 0 8px 26px rgba(12, 67, 107, 0.07);
  }

  .hksev-symptom-card {
    position: relative;
    overflow: hidden;
  }

  .hksev-symptom-card::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--hksev-secondary);
    content: "";
  }

  .hksev-card-icon {
    display: flex;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    margin-bottom: 13px;
    border-radius: 14px;
    background: var(--hksev-light);
    font-size: 25px;
  }

  .hksev-card-title {
    margin: 0 0 8px;
    color: var(--hksev-primary-dark);
    font-size: 20px;
    line-height: 1.35;
  }

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

  .hksev-emergency-box {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
    margin-top: 28px;
    padding: 23px;
    border: 1px solid #ffd1d5;
    border-radius: var(--hksev-radius);
    background: #fff6f7;
  }

  .hksev-emergency-box h3 {
    margin: 0 0 5px;
    color: #9f2030;
    font-size: 21px;
  }

  .hksev-emergency-box p {
    margin: 0;
    color: #724850;
  }

  .hksev-content-split {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
    gap: 34px;
    align-items: start;
  }

  .hksev-content-card {
    padding: 28px;
    border: 1px solid var(--hksev-border);
    border-radius: var(--hksev-radius);
    background: var(--hksev-white);
    box-shadow: 0 8px 25px rgba(12, 67, 107, 0.07);
  }

  .hksev-content-card h3 {
    margin: 0 0 13px;
    color: var(--hksev-primary-dark);
    font-size: 23px;
  }

  .hksev-content-card p {
    margin: 0 0 15px;
    color: var(--hksev-muted);
  }

  .hksev-check-list {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .hksev-check-list li {
    position: relative;
    margin: 0 0 12px;
    padding-left: 29px;
    color: #3d5b70;
  }

  .hksev-check-list li::before {
    position: absolute;
    top: 2px;
    left: 0;
    color: var(--hksev-green);
    content: "✓";
    font-weight: 900;
  }

  .hksev-info-note {
    margin-top: 20px;
    padding: 16px 18px;
    border-left: 4px solid var(--hksev-secondary);
    border-radius: 9px;
    background: var(--hksev-light);
    color: #315a76;
    font-size: 15px;
  }

  .hksev-process {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
    counter-reset: hksev-step;
  }

  .hksev-process-item {
    position: relative;
    min-height: 205px;
    padding: 22px 18px;
    border: 1px solid var(--hksev-border);
    border-radius: 16px;
    background: var(--hksev-white);
    box-shadow: 0 7px 22px rgba(12, 67, 107, 0.06);
    counter-increment: hksev-step;
  }

  .hksev-process-number {
    display: flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    border-radius: 50%;
    background: var(--hksev-primary);
    color: var(--hksev-white);
    font-size: 17px;
    font-weight: 900;
  }

  .hksev-process-item h3 {
    margin: 0 0 8px;
    color: var(--hksev-primary-dark);
    font-size: 18px;
    line-height: 1.4;
  }

  .hksev-process-item p {
    margin: 0;
    color: var(--hksev-muted);
    font-size: 14px;
  }

  .hksev-fee-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 17px;
  }

  .hksev-fee-card {
    position: relative;
  }

  .hksev-fee-label {
    display: inline-block;
    margin-bottom: 9px;
    color: var(--hksev-primary);
    font-size: 14px;
    font-weight: 800;
  }

  .hksev-fee-name {
    margin: 0 0 6px;
    color: var(--hksev-primary-dark);
    font-size: 19px;
    line-height: 1.35;
  }

  .hksev-fee-price {
    margin: 0 0 10px;
    color: var(--hksev-primary);
    font-size: 29px;
    font-weight: 900;
    line-height: 1.2;
  }

  .hksev-fee-desc {
    margin: 0;
    color: var(--hksev-muted);
    font-size: 14px;
  }

  .hksev-fee-notice {
    margin-top: 22px;
    padding: 18px 20px;
    border: 1px solid #f0d8ae;
    border-radius: 12px;
    background: #fffaf1;
    color: #694b1f;
  }

  .hksev-fee-notice strong {
    color: #9b5900;
  }

  .hksev-review-notice {
    margin: 0 0 22px;
    padding: 14px 17px;
    border: 1px solid #f1d7a6;
    border-radius: 11px;
    background: #fff9ee;
    color: #71501f;
    font-size: 14px;
  }

  .hksev-review-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 17px;
  }

  .hksev-stars {
    margin-bottom: 12px;
    color: #f4a900;
    font-size: 19px;
    letter-spacing: 2px;
  }

  .hksev-review-card blockquote {
    margin: 0 0 17px;
    color: #38556a;
    font-size: 15px;
  }

  .hksev-review-name {
    margin: 0;
    color: var(--hksev-primary-dark);
    font-size: 14px;
    font-weight: 800;
  }

  .hksev-branch-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .hksev-branch-card {
    overflow: hidden;
    border: 1px solid var(--hksev-border);
    border-radius: 20px;
    background: var(--hksev-white);
    box-shadow: var(--hksev-shadow);
  }

  .hksev-branch-head {
    padding: 24px;
    background: linear-gradient(135deg, var(--hksev-primary-dark), var(--hksev-primary));
    color: var(--hksev-white);
  }

  .hksev-branch-head.hksev-branch-emergency {
    background: linear-gradient(135deg, #a62735, #db4755);
  }

  .hksev-branch-tag {
    display: inline-flex;
    margin-bottom: 9px;
    padding: 5px 9px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.17);
    font-size: 12px;
    font-weight: 800;
  }

  .hksev-branch-head h3 {
    margin: 0 0 5px;
    color: var(--hksev-white);
    font-size: 24px;
  }

  .hksev-branch-head p {
    margin: 0;
    color: #e2f2ff;
  }

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

  .hksev-branch-detail {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .hksev-branch-detail li {
    display: grid;
    grid-template-columns: 88px 1fr;
    gap: 9px;
    padding: 10px 0;
    border-bottom: 1px solid #edf2f5;
    color: #465f72;
  }

  .hksev-branch-detail li:last-child {
    border-bottom: 0;
  }

  .hksev-branch-detail strong {
    color: var(--hksev-primary-dark);
  }

  .hksev-branch-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 19px;
  }

  .hksev-branch-actions .hksev-btn {
    flex: 1 1 140px;
    padding-right: 13px;
    padding-left: 13px;
    font-size: 14px;
  }

  .hksev-map {
    overflow: hidden;
    height: 315px;
    border-top: 1px solid var(--hksev-border);
    background: #eaf2f7;
  }

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

  .hksev-faq-list {
    max-width: 940px;
    margin: 0 auto;
  }

  .hksev-faq-item {
    margin-bottom: 12px;
    border: 1px solid var(--hksev-border);
    border-radius: 14px;
    background: var(--hksev-white);
    box-shadow: 0 5px 16px rgba(12, 67, 107, 0.05);
  }

  .hksev-faq-item summary {
    position: relative;
    padding: 19px 52px 19px 20px;
    color: var(--hksev-primary-dark);
    cursor: pointer;
    font-size: 17px;
    font-weight: 800;
    list-style: none;
  }

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

  .hksev-faq-item summary::after {
    position: absolute;
    top: 50%;
    right: 20px;
    color: var(--hksev-primary);
    content: "+";
    font-size: 25px;
    font-weight: 400;
    transform: translateY(-50%);
  }

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

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

  .hksev-faq-answer p {
    margin: 0;
  }

  .hksev-final-cta {
    padding: 53px 0;
  }

  .hksev-final-cta-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 25px;
    align-items: center;
  }

  .hksev-final-cta h2 {
    margin: 0 0 8px;
    color: var(--hksev-white);
    font-size: clamp(28px, 4vw, 41px);
    line-height: 1.25;
  }

  .hksev-final-cta p {
    max-width: 730px;
    margin: 0;
    color: #dcefff;
  }

  .hksev-breadcrumb {
    padding: 14px 0;
    border-bottom: 1px solid var(--hksev-border);
    background: #f8fbfd;
    color: var(--hksev-muted);
    font-size: 13px;
  }

  .hksev-breadcrumb a {
    color: var(--hksev-primary);
  }

  .hksev-sticky {
    display: none;
  }

  @media (max-width: 980px) {
    .hksev-hero-inner {
      grid-template-columns: 1fr;
      min-height: auto;
      padding: 42px 0 60px;
    }

    .hksev-hero-media {
      max-width: 720px;
    }

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

    .hksev-process {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .hksev-fee-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hksev-content-split {
      grid-template-columns: 1fr;
    }

    .hksev-branch-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 720px) {
    .hksev-page {
      padding-bottom: 72px;
    }

    .hksev-container {
      width: calc(100% - 24px);
    }

    .hksev-section {
      padding: 52px 0;
    }

    .hksev-hero-inner {
      gap: 27px;
      padding: 29px 0 48px;
    }

    .hksev-hero h1 {
      margin-bottom: 14px;
      font-size: 36px;
    }

    .hksev-hero-lead {
      font-size: 16px;
    }

    .hksev-button-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
    }

    .hksev-button-row .hksev-btn:first-child {
      grid-column: 1 / -1;
    }

    .hksev-btn {
      min-height: 50px;
      padding: 12px;
      font-size: 15px;
    }

    .hksev-hero-badge {
      position: relative;
      right: auto;
      bottom: auto;
      max-width: none;
      margin: 12px 4px 0;
    }

    .hksev-top-contact-inner {
      grid-template-columns: 1fr;
    }

    .hksev-top-contact-item {
      min-height: 66px;
      justify-content: flex-start;
      border-right: 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    }

    .hksev-top-contact-item:last-child {
      border-bottom: 0;
    }

    .hksev-card-grid,
    .hksev-review-grid,
    .hksev-fee-grid,
    .hksev-process {
      grid-template-columns: 1fr;
    }

    .hksev-process-item {
      min-height: auto;
    }

    .hksev-emergency-box {
      grid-template-columns: 1fr;
    }

    .hksev-emergency-box .hksev-btn {
      width: 100%;
    }

    .hksev-final-cta-inner {
      grid-template-columns: 1fr;
    }

    .hksev-final-cta .hksev-button-row {
      width: 100%;
    }

    .hksev-branch-detail li {
      grid-template-columns: 76px 1fr;
    }

    .hksev-map {
      height: 275px;
    }

    .hksev-sticky {
      position: fixed;
      z-index: 99999;
      right: 0;
      bottom: 0;
      left: 0;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      padding:
        7px
        max(7px, env(safe-area-inset-right))
        calc(7px + env(safe-area-inset-bottom))
        max(7px, env(safe-area-inset-left));
      border-top: 1px solid rgba(8, 64, 111, 0.15);
      background: rgba(255, 255, 255, 0.98);
      box-shadow: 0 -9px 25px rgba(4, 49, 84, 0.14);
      backdrop-filter: blur(9px);
    }

    .hksev-sticky a {
      display: flex;
      min-height: 52px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      border-right: 1px solid #e1ebf1;
      color: var(--hksev-primary-dark);
      font-size: 12px;
      font-weight: 800;
      line-height: 1.15;
    }

    .hksev-sticky a:last-child {
      border-right: 0;
    }

    .hksev-sticky-icon {
      display: block;
      margin-bottom: 4px;
      font-size: 20px;
    }

    .hksev-sticky .hksev-sticky-whatsapp {
      color: var(--hksev-green-dark);
    }

    .hksev-sticky .hksev-sticky-emergency {
      color: var(--hksev-red);
    }
  }

  @media (max-width: 390px) {
    .hksev-hero h1 {
      font-size: 32px;
    }

    .hksev-section-title {
      font-size: 27px;
    }

    .hksev-button-row {
      grid-template-columns: 1fr;
    }

    .hksev-button-row .hksev-btn:first-child {
      grid-column: auto;
    }
  }

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