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

  .hksev-cat-guide {
    --hcg-navy: #08295a;
    --hcg-blue: #0869c7;
    --hcg-blue-dark: #0756a2;
    --hcg-blue-soft: #eaf4ff;
    --hcg-blue-pale: #f6faff;
    --hcg-ink: #17243a;
    --hcg-muted: #5c697a;
    --hcg-line: #d5e0eb;
    --hcg-warn: #9b4d00;
    --hcg-warn-bg: #fff7e8;
    --hcg-danger: #a02d2d;
    --hcg-danger-bg: #fff2f2;
    --hcg-white: #ffffff;
    width: 100%;
    margin: 0 auto;
    color: var(--hcg-ink);
    background: var(--hcg-white);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", Arial, sans-serif;
    font-size: 17px;
    line-height: 1.78;
    overflow-wrap: anywhere;
  }

  .hksev-cat-guide a {
    color: var(--hcg-blue-dark);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
  }

  .hksev-cat-guide a:hover {
    color: var(--hcg-navy);
  }

  .hksev-cat-guide .hcg-shell {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
  }

  .hksev-cat-guide .hcg-hero {
    padding: 70px 0 34px;
    border-bottom: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-title {
    max-width: 970px;
    margin: 0;
    color: var(--hcg-navy);
    font-size: clamp(36px, 5.2vw, 68px);
    line-height: 1.12;
    letter-spacing: -0.035em;
    font-weight: 800;
  }

  .hksev-cat-guide .hcg-lead {
    max-width: 850px;
    margin: 24px 0 0;
    color: #34465f;
    font-size: clamp(19px, 2.1vw, 25px);
    line-height: 1.6;
  }

  .hksev-cat-guide .hcg-answer {
    display: grid;
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 26px;
    align-items: center;
    margin-top: 38px;
    padding: 28px 32px;
    background: var(--hcg-blue-soft);
    border-left: 5px solid var(--hcg-blue);
    border-radius: 0 14px 14px 0;
  }

  .hksev-cat-guide .hcg-answer-label {
    color: var(--hcg-blue-dark);
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.08em;
  }

  .hksev-cat-guide .hcg-answer p {
    margin: 0;
    color: var(--hcg-navy);
    font-size: clamp(18px, 2vw, 23px);
    line-height: 1.62;
    font-weight: 700;
  }

  .hksev-cat-guide .hcg-toc {
    padding: 24px 0;
    border-bottom: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-toc-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 24px;
    align-items: center;
  }

  .hksev-cat-guide .hcg-toc strong {
    color: var(--hcg-navy);
    font-size: 15px;
  }

  .hksev-cat-guide .hcg-toc a {
    color: #34465f;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    border-bottom: 1px solid transparent;
  }

  .hksev-cat-guide .hcg-toc a:hover {
    color: var(--hcg-blue);
    border-bottom-color: currentColor;
  }

  .hksev-cat-guide .hcg-section {
    padding: 72px 0;
    scroll-margin-top: 24px;
  }

  .hksev-cat-guide .hcg-section + .hcg-section {
    border-top: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-section-blue {
    background: var(--hcg-blue-pale);
  }

  .hksev-cat-guide .hcg-section-blue + .hcg-section {
    border-top: 0;
  }

  .hksev-cat-guide .hcg-kicker {
    display: block;
    margin: 0 0 8px;
    color: var(--hcg-blue-dark);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.1em;
  }

  .hksev-cat-guide h2 {
    max-width: 900px;
    margin: 0;
    color: var(--hcg-navy);
    font-size: clamp(29px, 3.8vw, 44px);
    line-height: 1.25;
    letter-spacing: -0.025em;
  }

  .hksev-cat-guide h3 {
    margin: 0;
    color: var(--hcg-navy);
    font-size: clamp(21px, 2.4vw, 28px);
    line-height: 1.4;
  }

  .hksev-cat-guide .hcg-intro {
    max-width: 820px;
    margin: 16px 0 0;
    color: var(--hcg-muted);
    font-size: 18px;
  }

  .hksev-cat-guide .hcg-table-scroll {
    width: 100%;
    margin-top: 30px;
    overflow-x: auto;
    border: 1px solid var(--hcg-line);
    border-radius: 12px;
    background: var(--hcg-white);
    -webkit-overflow-scrolling: touch;
  }

  .hksev-cat-guide table {
    width: 100%;
    min-width: 760px;
    border-collapse: separate;
    border-spacing: 0;
    table-layout: fixed;
  }

  .hksev-cat-guide th,
  .hksev-cat-guide td {
    padding: 19px 21px;
    vertical-align: top;
    text-align: left;
    border-right: 1px solid var(--hcg-line);
    border-bottom: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide th:last-child,
  .hksev-cat-guide td:last-child {
    border-right: 0;
  }

  .hksev-cat-guide tbody tr:last-child th,
  .hksev-cat-guide tbody tr:last-child td {
    border-bottom: 0;
  }

  .hksev-cat-guide thead th {
    color: var(--hcg-white);
    background: var(--hcg-navy);
    font-size: 17px;
    line-height: 1.45;
  }

  .hksev-cat-guide thead th:first-child {
    width: 20%;
  }

  .hksev-cat-guide tbody th {
    color: var(--hcg-navy);
    background: #f3f7fb;
    font-weight: 800;
  }

  .hksev-cat-guide tbody tr:nth-child(even) td {
    background: #fbfdff;
  }

  .hksev-cat-guide .hcg-table-note {
    display: none;
    margin: 10px 0 0;
    color: var(--hcg-muted);
    font-size: 13px;
  }

  .hksev-cat-guide .hcg-plain-note,
  .hksev-cat-guide .hcg-warning,
  .hksev-cat-guide .hcg-danger {
    margin-top: 26px;
    padding: 20px 23px;
    border-radius: 10px;
  }

  .hksev-cat-guide .hcg-plain-note {
    background: var(--hcg-blue-soft);
    border-left: 4px solid var(--hcg-blue);
  }

  .hksev-cat-guide .hcg-warning {
    color: #5e3300;
    background: var(--hcg-warn-bg);
    border-left: 4px solid #d87900;
  }

  .hksev-cat-guide .hcg-danger {
    color: #671f1f;
    background: var(--hcg-danger-bg);
    border-left: 4px solid #cf4242;
  }

  .hksev-cat-guide .hcg-plain-note strong,
  .hksev-cat-guide .hcg-warning strong,
  .hksev-cat-guide .hcg-danger strong {
    display: block;
    margin-bottom: 3px;
    color: inherit;
  }

  .hksev-cat-guide .hcg-rail {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin-top: 32px;
    border-top: 3px solid var(--hcg-blue);
  }

  .hksev-cat-guide .hcg-rail-item {
    min-height: 155px;
    padding: 22px 24px;
    border-right: 1px solid var(--hcg-line);
    border-bottom: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-rail-item:first-child {
    border-left: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-rail-number {
    display: block;
    margin-bottom: 9px;
    color: var(--hcg-blue);
    font-size: 28px;
    line-height: 1;
    font-weight: 800;
  }

  .hksev-cat-guide .hcg-rail-item strong {
    display: block;
    color: var(--hcg-navy);
    font-size: 17px;
  }

  .hksev-cat-guide .hcg-rail-item p {
    margin: 7px 0 0;
    color: var(--hcg-muted);
    font-size: 15px;
  }

  .hksev-cat-guide .hcg-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    margin-top: 32px;
  }

  .hksev-cat-guide .hcg-list-block {
    padding-top: 20px;
    border-top: 3px solid var(--hcg-blue);
  }

  .hksev-cat-guide .hcg-list-block.hcg-list-warn {
    border-top-color: #d87900;
  }

  .hksev-cat-guide .hcg-list-block p {
    margin: 8px 0 0;
    color: var(--hcg-muted);
  }

  .hksev-cat-guide ul,
  .hksev-cat-guide ol {
    padding-left: 1.25em;
  }

  .hksev-cat-guide li + li {
    margin-top: 8px;
  }

  .hksev-cat-guide .hcg-check-list {
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
  }

  .hksev-cat-guide .hcg-check-list li {
    position: relative;
    padding: 13px 0 13px 34px;
    border-bottom: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-check-list li::before {
    position: absolute;
    top: 16px;
    left: 3px;
    width: 18px;
    height: 18px;
    color: var(--hcg-white);
    background: var(--hcg-blue);
    border-radius: 50%;
    content: "✓";
    font-size: 12px;
    line-height: 18px;
    text-align: center;
    font-weight: 900;
  }

  .hksev-cat-guide .hcg-decision {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 34px;
    align-items: start;
    margin-top: 34px;
  }

  .hksev-cat-guide .hcg-decision-answer {
    padding: 28px;
    color: var(--hcg-white);
    background: var(--hcg-navy);
    border-radius: 12px;
  }

  .hksev-cat-guide .hcg-decision-answer strong {
    display: block;
    font-size: clamp(25px, 3vw, 35px);
    line-height: 1.3;
  }

  .hksev-cat-guide .hcg-decision-answer p {
    margin: 15px 0 0;
    color: #d9e8f7;
  }

  .hksev-cat-guide .hcg-decision-list {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-decision-list li {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 15px;
    margin: 0;
    padding: 18px 0;
    border-bottom: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-step-dot {
    width: 38px;
    height: 38px;
    color: var(--hcg-blue-dark);
    background: var(--hcg-blue-soft);
    border-radius: 50%;
    line-height: 38px;
    text-align: center;
    font-weight: 800;
  }

  .hksev-cat-guide .hcg-decision-list strong {
    display: block;
    color: var(--hcg-navy);
  }

  .hksev-cat-guide .hcg-decision-list p {
    margin: 2px 0 0;
    color: var(--hcg-muted);
  }

  .hksev-cat-guide .hcg-price {
    color: var(--hcg-navy);
    font-size: 25px;
    white-space: nowrap;
    font-weight: 800;
  }

  .hksev-cat-guide .hcg-price small {
    display: block;
    color: var(--hcg-muted);
    font-size: 13px;
    white-space: normal;
    font-weight: 500;
  }

  .hksev-cat-guide .hcg-process {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
    margin: 32px 0 0;
    padding: 0;
    list-style: none;
    border-top: 3px solid var(--hcg-blue);
  }

  .hksev-cat-guide .hcg-process li {
    min-height: 180px;
    margin: 0;
    padding: 20px 18px;
    border-right: 1px solid var(--hcg-line);
    border-bottom: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-process li:first-child {
    border-left: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-process strong {
    display: block;
    margin-bottom: 7px;
    color: var(--hcg-navy);
  }

  .hksev-cat-guide .hcg-process span {
    display: block;
    margin-bottom: 9px;
    color: var(--hcg-blue);
    font-size: 25px;
    line-height: 1;
    font-weight: 800;
  }

  .hksev-cat-guide .hcg-process p {
    margin: 0;
    color: var(--hcg-muted);
    font-size: 14px;
    line-height: 1.65;
  }

  .hksev-cat-guide .hcg-faq {
    margin-top: 30px;
    border-top: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-faq details {
    border-bottom: 1px solid var(--hcg-line);
  }

  .hksev-cat-guide .hcg-faq summary {
    position: relative;
    padding: 22px 52px 22px 4px;
    color: var(--hcg-navy);
    cursor: pointer;
    list-style: none;
    font-size: 18px;
    font-weight: 800;
  }

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

  .hksev-cat-guide .hcg-faq summary::after {
    position: absolute;
    top: 50%;
    right: 8px;
    width: 30px;
    height: 30px;
    color: var(--hcg-blue-dark);
    border: 1px solid #a9c9e9;
    border-radius: 50%;
    content: "+";
    line-height: 27px;
    text-align: center;
    transform: translateY(-50%);
  }

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

  .hksev-cat-guide .hcg-faq-answer {
    max-width: 930px;
    padding: 0 52px 22px 4px;
    color: #445368;
  }

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

  .hksev-cat-guide .hcg-contact {
    padding: 62px 0;
    color: var(--hcg-white);
    background: var(--hcg-navy);
  }

  .hksev-cat-guide .hcg-contact h2 {
    color: var(--hcg-white);
  }

  .hksev-cat-guide .hcg-contact-intro {
    max-width: 780px;
    margin: 14px 0 0;
    color: #d9e8f7;
  }

  .hksev-cat-guide .hcg-contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
  }

  .hksev-cat-guide .hcg-button {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    color: var(--hcg-navy);
    background: var(--hcg-white);
    border: 2px solid var(--hcg-white);
    border-radius: 7px;
    font-size: 16px;
    line-height: 1.35;
    text-decoration: none;
    font-weight: 800;
  }

  .hksev-cat-guide .hcg-button:hover {
    color: var(--hcg-white);
    background: transparent;
  }

  .hksev-cat-guide .hcg-button-secondary {
    color: var(--hcg-white);
    background: transparent;
  }

  .hksev-cat-guide .hcg-button-secondary:hover {
    color: var(--hcg-navy);
    background: var(--hcg-white);
  }

  .hksev-cat-guide .hcg-locations {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
    margin-top: 38px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.25);
  }

  .hksev-cat-guide .hcg-location strong {
    display: block;
    font-size: 18px;
  }

  .hksev-cat-guide .hcg-location p {
    margin: 6px 0 0;
    color: #d9e8f7;
  }

  .hksev-cat-guide .hcg-location a {
    color: var(--hcg-white);
  }

  .hksev-cat-guide .hcg-sources {
    padding: 30px 0 46px;
    color: var(--hcg-muted);
    background: #f7f9fc;
    font-size: 13px;
    line-height: 1.7;
  }

  .hksev-cat-guide .hcg-sources p {
    margin: 0;
  }

  .hksev-cat-guide .hcg-sources p + p {
    margin-top: 9px;
  }

  .hksev-cat-guide .hcg-sources a {
    color: #40566f;
  }

  @media (max-width: 860px) {
    .hksev-cat-guide .hcg-answer,
    .hksev-cat-guide .hcg-decision {
      grid-template-columns: 1fr;
    }

    .hksev-cat-guide .hcg-answer {
      gap: 8px;
    }

    .hksev-cat-guide .hcg-process {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      border-top: 0;
    }

    .hksev-cat-guide .hcg-process li,
    .hksev-cat-guide .hcg-process li:first-child {
      min-height: 0;
      border-top: 2px solid var(--hcg-blue);
      border-left: 1px solid var(--hcg-line);
    }
  }

  @media (max-width: 680px) {
    .hksev-cat-guide {
      font-size: 16px;
      line-height: 1.72;
    }

    .hksev-cat-guide .hcg-shell {
      width: min(100% - 28px, 1160px);
    }

    .hksev-cat-guide .hcg-hero {
      padding: 44px 0 26px;
    }

    .hksev-cat-guide .hcg-title {
      font-size: clamp(34px, 11vw, 48px);
      letter-spacing: -0.025em;
    }

    .hksev-cat-guide .hcg-lead {
      margin-top: 18px;
      font-size: 18px;
    }

    .hksev-cat-guide .hcg-answer {
      margin-top: 28px;
      padding: 22px 20px;
    }

    .hksev-cat-guide .hcg-toc-inner {
      gap: 6px 18px;
    }

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

    .hksev-cat-guide h2 {
      font-size: 30px;
    }

    .hksev-cat-guide .hcg-intro {
      font-size: 16px;
    }

    .hksev-cat-guide .hcg-table-note {
      display: block;
    }

    .hksev-cat-guide .hcg-rail,
    .hksev-cat-guide .hcg-split,
    .hksev-cat-guide .hcg-locations {
      grid-template-columns: 1fr;
    }

    .hksev-cat-guide .hcg-rail {
      border-top: 0;
    }

    .hksev-cat-guide .hcg-rail-item,
    .hksev-cat-guide .hcg-rail-item:first-child {
      min-height: 0;
      border-top: 2px solid var(--hcg-blue);
      border-left: 1px solid var(--hcg-line);
    }

    .hksev-cat-guide .hcg-process {
      grid-template-columns: 1fr;
    }

    .hksev-cat-guide .hcg-faq summary {
      padding: 19px 44px 19px 2px;
      font-size: 17px;
    }

    .hksev-cat-guide .hcg-faq-answer {
      padding: 0 42px 20px 2px;
    }

    .hksev-cat-guide .hcg-contact {
      padding: 50px 0;
    }

    .hksev-cat-guide .hcg-button {
      width: 100%;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .hksev-cat-guide * {
      scroll-behavior: auto !important;
    }
  }