:root {
    --hksev-blue-950: #062f55;
    --hksev-blue-900: #0a4e85;
    --hksev-blue-800: #0b5f9f;
    --hksev-blue-700: #0e6db6;
    --hksev-blue-100: #e8f2fb;
    --hksev-blue-50: #f4f9fd;
    --hksev-cyan-100: #e7f8fb;
    --hksev-red-700: #bd2846;
    --hksev-red-100: #fff0f3;
    --hksev-green-700: #14804a;
    --hksev-green-100: #eaf8f0;
    --hksev-yellow-100: #fff8dd;
    --hksev-text: #183247;
    --hksev-muted: #5e7180;
    --hksev-border: #d8e6f1;
    --hksev-white: #ffffff;
    --hksev-shadow: 0 14px 36px rgba(6, 47, 85, 0.11);
    --hksev-radius-lg: 24px;
    --hksev-radius-md: 16px;
    --hksev-radius-sm: 12px;
  }

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

  .hksev-page {
    margin: 0;
    background: var(--hksev-white);
    color: var(--hksev-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK", "Noto Sans TC", "Microsoft JhengHei", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    overflow: hidden;
  }

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

  .hksev-page img,
  .hksev-page iframe {
    display: block;
    width: 100%;
    border: 0;
  }

  .hksev-shell {
    width: min(1160px, calc(100% - 32px));
    margin: 0 auto;
  }

  .hksev-section {
    padding: 68px 0;
  }

  .hksev-section--soft {
    background: var(--hksev-blue-50);
  }

  .hksev-section--dark {
    color: var(--hksev-white);
    background: linear-gradient(135deg, var(--hksev-blue-950), var(--hksev-blue-800));
  }

  .hksev-section-head {
    max-width: 780px;
    margin: 0 0 30px;
  }

  .hksev-section-head--center {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
  }

  .hksev-kicker {
    display: inline-block;
    margin-bottom: 9px;
    color: var(--hksev-blue-700);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .08em;
  }

  .hksev-section--dark .hksev-kicker {
    color: #bfe6ff;
  }

  .hksev-page h1,
  .hksev-page h2,
  .hksev-page h3,
  .hksev-page p {
    margin-top: 0;
  }

  .hksev-page h1 {
    margin-bottom: 15px;
    color: var(--hksev-white);
    font-size: clamp(32px, 6.2vw, 62px);
    line-height: 1.1;
    letter-spacing: -.035em;
    text-wrap: balance;
  }

  .hksev-page h2 {
    margin-bottom: 12px;
    color: var(--hksev-blue-950);
    font-size: clamp(27px, 4.2vw, 42px);
    line-height: 1.2;
    letter-spacing: -.025em;
    text-wrap: balance;
  }

  .hksev-section--dark h2,
  .hksev-section--dark h3 {
    color: var(--hksev-white);
  }

  .hksev-page h3 {
    margin-bottom: 7px;
    color: var(--hksev-blue-950);
    font-size: 20px;
    line-height: 1.35;
  }

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

  .hksev-section--dark .hksev-lead {
    color: #d9edf9;
  }

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

  .hksev-btn {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 13px 20px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
  }

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

  .hksev-btn:focus-visible,
  .hksev-page summary:focus-visible,
  .hksev-sticky a:focus-visible {
    outline: 3px solid #ffd451;
    outline-offset: 3px;
  }

  .hksev-btn--primary {
    color: var(--hksev-white);
    background: var(--hksev-red-700);
    box-shadow: 0 12px 24px rgba(189, 40, 70, .27);
  }

  .hksev-btn--whatsapp {
    color: var(--hksev-white);
    background: var(--hksev-green-700);
    box-shadow: 0 12px 24px rgba(20, 128, 74, .22);
  }

  .hksev-btn--light {
    color: var(--hksev-blue-950);
    background: var(--hksev-white);
  }

  .hksev-btn--outline {
    color: var(--hksev-blue-900);
    border-color: #a9c9df;
    background: var(--hksev-white);
  }

  .hksev-icon {
    display: inline-grid;
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    place-items: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, .16);
    font-size: 15px;
  }

  .hksev-btn--light .hksev-icon,
  .hksev-btn--outline .hksev-icon {
    background: var(--hksev-blue-100);
  }

  /*
    頁面最頂的 Hero 圖片區：獨立、全闊、固定 16:9。
    只需將 YOUR-HERO-IMAGE-URL.jpg 換成 CMS 圖片網址。
    圖片不會被縮成細卡片，亦不會放在文字背後。
  */
  .hksev-hero-visual {
    position: relative;
    left: 50%;
    width: 100vw;
    margin-left: -50vw;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: linear-gradient(135deg, #dceefa, #f6fbff);
  }

  .hksev-hero-visual img {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center;
  }

  .hksev-hero-placeholder {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: grid;
    place-items: center;
    padding: 24px;
    color: var(--hksev-blue-900);
    text-align: center;
  }

  .hksev-hero-placeholder strong {
    display: block;
    font-size: clamp(22px, 3vw, 42px);
    line-height: 1.25;
  }

  .hksev-hero-placeholder span {
    display: block;
    margin-top: 8px;
    color: var(--hksev-muted);
    font-size: clamp(14px, 1.4vw, 18px);
  }

  .hksev-hero {
    position: relative;
    color: var(--hksev-white);
    background:
      radial-gradient(circle at 85% 15%, rgba(147, 224, 255, .20), transparent 26%),
      linear-gradient(135deg, var(--hksev-blue-950), var(--hksev-blue-800));
  }

  .hksev-hero-inner {
    display: grid;
    align-items: center;
    padding: 52px 0 48px;
  }

  .hksev-hero-copy {
    width: min(710px, 100%);
  }

  .hksev-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 24px;
    color: #c9e7f8;
    font-size: 14px;
  }

  .hksev-hero p {
    max-width: 680px;
    margin-bottom: 23px;
    color: #eaf7ff;
    font-size: 18px;
  }

  .hksev-hero-note {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 24px;
  }

  .hksev-hero-note div {
    padding: 13px 14px;
    border: 1px solid rgba(255, 255, 255, .20);
    border-radius: 14px;
    background: rgba(4, 49, 86, .52);
    backdrop-filter: blur(10px);
  }

  .hksev-hero-note strong {
    display: block;
    font-size: 15px;
  }

  .hksev-hero-note span {
    display: block;
    margin-top: 2px;
    color: #cce9f8;
    font-size: 13px;
    line-height: 1.45;
  }

  .hksev-alert {
    position: relative;
    z-index: 2;
    margin-top: -22px;
  }

  .hksev-alert-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 15px;
    align-items: center;
    padding: 20px 22px;
    border: 1px solid #f4bdc9;
    border-radius: var(--hksev-radius-md);
    background: var(--hksev-red-100);
    box-shadow: var(--hksev-shadow);
  }

  .hksev-alert-mark {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 50%;
    color: var(--hksev-white);
    background: var(--hksev-red-700);
    font-size: 22px;
    font-weight: 900;
  }

  .hksev-alert strong {
    display: block;
    margin-bottom: 2px;
    color: #7c1830;
    font-size: 18px;
  }

  .hksev-alert p {
    margin: 0;
    color: #6f3c48;
    font-size: 14px;
  }

  .hksev-grid {
    display: grid;
    gap: 18px;
  }

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

  .hksev-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .hksev-card {
    padding: 23px;
    border: 1px solid var(--hksev-border);
    border-radius: var(--hksev-radius-md);
    background: var(--hksev-white);
    box-shadow: 0 8px 24px rgba(6, 47, 85, .06);
  }

  .hksev-card p:last-child {
    margin-bottom: 0;
  }

  .hksev-card-icon {
    display: grid;
    width: 46px;
    height: 46px;
    margin-bottom: 15px;
    place-items: center;
    border-radius: 14px;
    color: var(--hksev-blue-900);
    background: var(--hksev-blue-100);
    font-size: 23px;
  }

  .hksev-card--urgent {
    border-color: #efc0ca;
  }

  .hksev-card--urgent .hksev-card-icon {
    color: #9f213d;
    background: var(--hksev-red-100);
  }

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

  .hksev-compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    align-items: stretch;
  }

  .hksev-compare-panel {
    padding: 28px;
    border-radius: var(--hksev-radius-lg);
  }

  .hksev-compare-panel--normal {
    border: 1px solid #bfe4cf;
    background: var(--hksev-green-100);
  }

  .hksev-compare-panel--concern {
    border: 1px solid #efbac6;
    background: var(--hksev-red-100);
  }

  .hksev-compare-title {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 17px;
  }

  .hksev-compare-badge {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    border-radius: 50%;
    font-size: 21px;
  }

  .hksev-compare-panel--normal .hksev-compare-badge {
    color: var(--hksev-green-700);
    background: #d4f2df;
  }

  .hksev-compare-panel--concern .hksev-compare-badge {
    color: var(--hksev-red-700);
    background: #ffdce4;
  }

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

  .hksev-checklist li {
    position: relative;
    padding-left: 27px;
  }

  .hksev-checklist li::before {
    position: absolute;
    top: 1px;
    left: 0;
    font-weight: 900;
  }

  .hksev-compare-panel--normal .hksev-checklist li::before {
    color: var(--hksev-green-700);
    content: "✓";
  }

  .hksev-compare-panel--concern .hksev-checklist li::before {
    color: var(--hksev-red-700);
    content: "!";
  }

  .hksev-advice {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    margin-top: 24px;
  }

  .hksev-advice-box {
    padding: 25px;
    border: 1px solid var(--hksev-border);
    border-radius: var(--hksev-radius-md);
    background: var(--hksev-white);
  }

  .hksev-advice-box--do {
    border-top: 5px solid var(--hksev-green-700);
  }

  .hksev-advice-box--dont {
    border-top: 5px solid var(--hksev-red-700);
  }

  .hksev-band {
    padding: 30px;
    border-radius: var(--hksev-radius-lg);
    color: var(--hksev-white);
    background: linear-gradient(135deg, var(--hksev-blue-900), var(--hksev-blue-700));
    box-shadow: var(--hksev-shadow);
  }

  .hksev-band h3 {
    color: var(--hksev-white);
  }

  .hksev-band p {
    color: #e0f1fb;
  }

  .hksev-feature-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 18px;
    background: rgba(255,255,255,.15);
  }

  .hksev-feature-row div {
    padding: 21px;
    background: rgba(4, 46, 81, .36);
  }

  .hksev-feature-row strong {
    display: block;
    margin-bottom: 5px;
  }

  .hksev-feature-row span {
    color: #d2eaf8;
    font-size: 14px;
  }

  .hksev-treatment {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 28px;
    align-items: start;
  }

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

  .hksev-step {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 15px;
    padding: 18px;
    border: 1px solid var(--hksev-border);
    border-radius: var(--hksev-radius-md);
    background: var(--hksev-white);
  }

  .hksev-step-number {
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;
    border-radius: 15px;
    color: var(--hksev-white);
    background: var(--hksev-blue-700);
    font-size: 18px;
    font-weight: 900;
  }

  .hksev-step p {
    margin-bottom: 0;
    color: var(--hksev-muted);
  }

  .hksev-side-note {
    position: sticky;
    top: 20px;
    padding: 28px;
    border-radius: var(--hksev-radius-lg);
    color: var(--hksev-white);
    background: var(--hksev-blue-950);
    box-shadow: var(--hksev-shadow);
  }

  .hksev-side-note h3 {
    color: var(--hksev-white);
    font-size: 24px;
  }

  .hksev-side-note p,
  .hksev-side-note li {
    color: #d6eaf6;
  }

  .hksev-side-note ul {
    margin: 18px 0 23px;
    padding-left: 20px;
  }

  .hksev-process {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
    counter-reset: hksev-process;
  }

  .hksev-process-card {
    position: relative;
    padding: 22px 17px;
    border: 1px solid var(--hksev-border);
    border-radius: var(--hksev-radius-md);
    background: var(--hksev-white);
  }

  .hksev-process-card::before {
    display: grid;
    width: 38px;
    height: 38px;
    margin-bottom: 15px;
    place-items: center;
    border-radius: 50%;
    color: var(--hksev-white);
    background: var(--hksev-blue-700);
    content: counter(hksev-process);
    counter-increment: hksev-process;
    font-weight: 900;
  }

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

  .hksev-price-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .hksev-price-card {
    overflow: hidden;
    border: 1px solid var(--hksev-border);
    border-radius: var(--hksev-radius-md);
    background: var(--hksev-white);
    box-shadow: 0 8px 22px rgba(6, 47, 85, .06);
  }

  .hksev-price-top {
    padding: 18px 20px;
    background: var(--hksev-blue-100);
  }

  .hksev-price-top h3 {
    margin: 0;
    font-size: 18px;
  }

  .hksev-price-value {
    display: block;
    margin-top: 5px;
    color: var(--hksev-blue-900);
    font-size: 27px;
    font-weight: 900;
    line-height: 1.2;
  }

  .hksev-price-body {
    padding: 18px 20px 21px;
    color: var(--hksev-muted);
    font-size: 14px;
  }

  .hksev-price-body ul {
    margin: 0;
    padding-left: 19px;
  }

  .hksev-price-disclaimer {
    margin-top: 20px;
    padding: 19px 21px;
    border-left: 5px solid var(--hksev-blue-700);
    border-radius: 10px;
    background: #eef7fd;
  }

  .hksev-price-disclaimer strong {
    color: var(--hksev-blue-950);
  }

  .hksev-review-notice {
    margin-bottom: 20px;
    padding: 16px 18px;
    border: 1px solid #ead38e;
    border-radius: 12px;
    color: #694e00;
    background: var(--hksev-yellow-100);
    font-size: 14px;
  }

  .hksev-review-card {
    position: relative;
    padding-top: 50px;
  }

  .hksev-stars {
    position: absolute;
    top: 18px;
    left: 22px;
    color: #f0a500;
    font-size: 18px;
    letter-spacing: 2px;
  }

  .hksev-review-card blockquote {
    margin: 0 0 14px;
    color: var(--hksev-text);
  }

  .hksev-review-card cite {
    color: var(--hksev-muted);
    font-size: 14px;
    font-style: normal;
    font-weight: 700;
  }

  .hksev-branches {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }

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

  .hksev-branch-map {
    min-height: 285px;
    background: var(--hksev-blue-100);
  }

  .hksev-branch-map iframe {
    min-height: 285px;
  }

  .hksev-branch-body {
    padding: 25px;
  }

  .hksev-branch-label {
    display: inline-flex;
    margin-bottom: 11px;
    padding: 5px 10px;
    border-radius: 999px;
    color: var(--hksev-blue-900);
    background: var(--hksev-blue-100);
    font-size: 12px;
    font-weight: 800;
  }

  .hksev-branch-label--24 {
    color: #8b1e37;
    background: var(--hksev-red-100);
  }

  .hksev-branch-meta {
    display: grid;
    gap: 9px;
    margin: 16px 0 20px;
    color: var(--hksev-muted);
  }

  .hksev-branch-meta div {
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: 8px;
  }

  .hksev-faq {
    display: grid;
    gap: 11px;
    max-width: 920px;
    margin: 0 auto;
  }

  .hksev-faq details {
    overflow: hidden;
    border: 1px solid var(--hksev-border);
    border-radius: 14px;
    background: var(--hksev-white);
  }

  .hksev-faq summary {
    position: relative;
    padding: 19px 52px 19px 20px;
    color: var(--hksev-blue-950);
    cursor: pointer;
    font-weight: 800;
    list-style: none;
  }

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

  .hksev-faq summary::after {
    position: absolute;
    top: 50%;
    right: 20px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: var(--hksev-blue-900);
    background: var(--hksev-blue-100);
    content: "+";
    font-size: 21px;
    line-height: 26px;
    text-align: center;
    transform: translateY(-50%);
  }

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

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

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

  .hksev-final-cta {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 25px;
    align-items: center;
    padding: 34px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: var(--hksev-radius-lg);
    background: rgba(255, 255, 255, .08);
  }

  .hksev-final-cta p {
    margin-bottom: 0;
    color: #d9edf9;
  }

  .hksev-sticky {
    display: none;
  }

  @media (max-width: 980px) {
    .hksev-grid--4,
    .hksev-feature-row {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

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

    .hksev-side-note {
      position: static;
    }

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

  @media (max-width: 760px) {
    .hksev-page {
      padding-bottom: calc(76px + env(safe-area-inset-bottom));
    }

    .hksev-shell {
      width: min(100% - 24px, 1160px);
    }

    .hksev-section {
      padding: 48px 0;
    }

    .hksev-hero-visual {
      aspect-ratio: 16 / 9;
    }

    .hksev-hero-inner {
      padding-top: 34px;
      padding-bottom: 38px;
    }

    .hksev-breadcrumb {
      margin-bottom: 14px;
    }

    .hksev-page h1 {
      font-size: clamp(34px, 10vw, 48px);
    }

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

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

    .hksev-btn {
      width: 100%;
      min-height: 55px;
    }

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

    .hksev-alert {
      margin-top: 0;
      padding-top: 12px;
      background: var(--hksev-red-100);
    }

    .hksev-alert-inner {
      grid-template-columns: auto 1fr;
      padding: 17px;
      border: 0;
      border-radius: 0;
      box-shadow: none;
    }

    .hksev-alert-inner .hksev-btn {
      grid-column: 1 / -1;
    }

    .hksev-grid--3,
    .hksev-grid--4,
    .hksev-compare,
    .hksev-advice,
    .hksev-feature-row,
    .hksev-process,
    .hksev-price-grid,
    .hksev-branches,
    .hksev-final-cta {
      grid-template-columns: 1fr;
    }

    .hksev-card,
    .hksev-compare-panel,
    .hksev-band,
    .hksev-side-note,
    .hksev-branch-body,
    .hksev-final-cta {
      padding: 21px;
    }

    .hksev-feature-row {
      gap: 1px;
    }

    .hksev-step {
      grid-template-columns: 44px 1fr;
      padding: 15px;
    }

    .hksev-step-number {
      width: 44px;
      height: 44px;
    }

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

    .hksev-sticky {
      position: fixed;
      right: 0;
      bottom: 0;
      left: 0;
      z-index: 9999;
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 8px;
      padding: 9px 10px calc(9px + env(safe-area-inset-bottom));
      border-top: 1px solid #cbdce9;
      background: rgba(255, 255, 255, .97);
      box-shadow: 0 -8px 24px rgba(6, 47, 85, .14);
      backdrop-filter: blur(12px);
    }

    .hksev-sticky a {
      display: grid;
      min-height: 55px;
      place-items: center;
      border-radius: 13px;
      color: var(--hksev-white);
      font-size: 15px;
      font-weight: 900;
      text-align: center;
    }

    .hksev-sticky-phone {
      background: var(--hksev-red-700);
    }

    .hksev-sticky-whatsapp {
      background: var(--hksev-green-700);
    }
  }

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