:root {
      --gold: #b88a3d;
      --gold-dark: #8a6324;
      --black: #111111;
      --dark: #242424;
      --text: #444444;
      --muted: #777777;
      --soft: #f8f4ed;
      --white: #ffffff;
      --line: #eadcc4;
      --shadow: 0 18px 45px rgba(0,0,0,0.08);
      --radius: 24px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      color: var(--text);
      background: #ffffff;
      line-height: 1.75;
    }

    a {
      color: var(--gold-dark);
      text-decoration: none;
      font-weight: 700;
    }

    a:hover {
      text-decoration: underline;
    }

    .page {
      width: 100%;
      overflow: hidden;
      background: #ffffff;
    }

    /* 全局图片修正：防止手机端变形、溢出、拉伸 */
    .page img {
      max-width: 100% !important;
      height: auto !important;
      display: block;
      border: 0;
    }

    .hero {
      position: relative;
      padding: 90px 24px 80px;
      background:
        radial-gradient(circle at top right, rgba(184,138,61,0.18), transparent 35%),
        linear-gradient(135deg, #ffffff 0%, #fbf7ef 48%, #ffffff 100%);
    }

    .hero-inner {
      max-width: 1180px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 16px;
      border: 1px solid var(--line);
      border-radius: 50px;
      background: rgba(255,255,255,0.8);
      color: var(--gold-dark);
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0.4px;
      text-transform: uppercase;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--gold);
      flex: 0 0 auto;
    }

    h1 {
      margin: 26px 0 22px;
      font-size: clamp(36px, 5vw, 64px);
      line-height: 1.05;
      color: var(--black);
      letter-spacing: -1.6px;
    }

    .hero h1 span {
      color: var(--gold-dark);
    }

    .hero-lead {
      font-size: 20px;
      color: #4a4a4a;
      max-width: 720px;
      margin-bottom: 28px;
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 34px;
    }

    .hero-point {
      background: rgba(255,255,255,0.72);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 18px;
      box-shadow: 0 10px 25px rgba(0,0,0,0.04);
    }

    .hero-point strong {
      display: block;
      color: var(--black);
      font-size: 16px;
      margin-bottom: 5px;
    }

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

    .hero-card {
      position: relative;
      background: var(--black);
      color: var(--white);
      border-radius: 32px;
      padding: 26px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .hero-card::before {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(184,138,61,0.24);
      right: -90px;
      top: -90px;
    }

    .hero-image-wrap {
      position: relative;
      z-index: 1;
      width: 100%;
      overflow: hidden;
      border-radius: 24px;
      background: #f3f3f3;
      aspect-ratio: 4 / 3;
    }

    .hero-image-wrap img {
      width: 100% !important;
      height: 100% !important;
      object-fit: cover;
      object-position: center center;
      border-radius: 24px;
    }

    .hero-card-note {
      position: relative;
      z-index: 1;
      margin: 18px 0 0;
      font-size: 15px;
      color: #e9e0d3;
    }

    .container {
      max-width: 1120px;
      margin: 0 auto;
      padding: 70px 24px;
    }

    .blog-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 30px;
      color: var(--muted);
      font-size: 14px;
    }

    .blog-meta span {
      padding: 8px 14px;
      border-radius: 50px;
      background: var(--soft);
      border: 1px solid var(--line);
    }

    .intro-box {
      background: var(--soft);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 34px;
      margin-bottom: 54px;
    }

    .intro-box h2 {
      margin-top: 0;
      color: var(--black);
      font-size: 30px;
      line-height: 1.2;
    }

    .summary-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 28px;
    }

    .summary-item {
      background: var(--white);
      border-radius: 18px;
      padding: 22px;
      border: 1px solid var(--line);
    }

    .summary-item b {
      display: block;
      color: var(--gold-dark);
      font-size: 28px;
      line-height: 1;
      margin-bottom: 10px;
    }

    .toc {
      border-left: 5px solid var(--gold);
      padding: 26px 30px;
      background: #fff;
      border-radius: 0 var(--radius) var(--radius) 0;
      box-shadow: var(--shadow);
      margin-bottom: 60px;
    }

    .toc h2 {
      margin-top: 0;
      color: var(--black);
      font-size: 26px;
    }

    .toc ol {
      margin: 0;
      padding-left: 22px;
    }

    .toc li {
      margin: 8px 0;
    }

    section {
      margin-bottom: 70px;
    }

    section h2 {
      color: var(--black);
      font-size: clamp(28px, 3vw, 42px);
      line-height: 1.18;
      margin-bottom: 18px;
      letter-spacing: -0.6px;
    }

    section h3 {
      color: var(--black);
      font-size: 24px;
      margin-top: 34px;
      margin-bottom: 12px;
    }

    .highlight {
      color: var(--gold-dark);
      font-weight: 800;
    }

    /* 正文图片区域修正：电脑端、手机端都正常显示 */
    .blog-image {
      margin: 34px 0;
      border-radius: var(--radius);
      overflow: hidden;
      background: linear-gradient(135deg, #f3ead9, #ffffff);
      border: 1px solid var(--line);
      box-shadow: 0 14px 38px rgba(0,0,0,0.06);
    }

    .blog-image .image-ratio {
      width: 100%;
      overflow: hidden;
      background: #f7f2ea;
    }

    .blog-image .ratio-4-3 {
      aspect-ratio: 4 / 3;
    }

    .blog-image .ratio-3-2 {
      aspect-ratio: 3 / 2;
    }

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

    .blog-image figcaption {
      padding: 16px 20px;
      font-size: 14px;
      color: var(--muted);
      background: #fffaf2;
      border-top: 1px solid var(--line);
    }

    .compare-wrap {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      border: 1px solid var(--line);
      margin-top: 32px;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      background: #fff;
      min-width: 760px;
    }

    th {
      background: var(--black);
      color: var(--white);
      padding: 20px;
      text-align: left;
      font-size: 15px;
    }

    td {
      padding: 20px;
      border-bottom: 1px solid #eee4d4;
      vertical-align: top;
    }

    tr:last-child td {
      border-bottom: none;
    }

    td:first-child {
      font-weight: 700;
      color: var(--black);
      width: 24%;
    }

    .gold-cell {
      background: #fffaf1;
      color: var(--gold-dark);
      font-weight: 700;
    }

    .cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
      margin-top: 34px;
    }

    .card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: 0 12px 35px rgba(0,0,0,0.05);
    }

    .card-number {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--gold);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .card h3 {
      margin-top: 0;
      font-size: 22px;
    }

    .quote {
      background: var(--black);
      color: #fff;
      border-radius: 30px;
      padding: 42px;
      margin: 60px 0;
      position: relative;
      overflow: hidden;
    }

    .quote::after {
      content: "HIFU";
      position: absolute;
      right: -20px;
      bottom: -40px;
      font-size: 130px;
      font-weight: 900;
      color: rgba(255,255,255,0.05);
    }

    .quote p {
      font-size: 24px;
      line-height: 1.5;
      margin: 0;
      position: relative;
      z-index: 1;
    }

    .steps {
      counter-reset: step;
      display: grid;
      gap: 18px;
      margin-top: 30px;
    }

    .step {
      counter-increment: step;
      display: grid;
      grid-template-columns: 70px 1fr;
      gap: 20px;
      align-items: start;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 24px;
    }

    .step::before {
      content: counter(step);
      width: 52px;
      height: 52px;
      background: var(--soft);
      color: var(--gold-dark);
      border: 1px solid var(--line);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 22px;
    }

    .step h3 {
      margin-top: 0;
      margin-bottom: 6px;
    }

    .faq {
      display: grid;
      gap: 16px;
      margin-top: 30px;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 24px 26px;
    }

    .faq-item h3 {
      margin-top: 0;
      font-size: 21px;
    }

    .cta {
      background:
        radial-gradient(circle at top right, rgba(184,138,61,0.22), transparent 35%),
        linear-gradient(135deg, #151515, #2a241a);
      color: #fff;
      border-radius: 34px;
      padding: 52px;
      margin-top: 70px;
      text-align: center;
      overflow: hidden;
    }

    .cta h2 {
      color: #fff;
      margin-top: 0;
      font-size: clamp(30px, 4vw, 46px);
    }

    .cta p {
      max-width: 760px;
      margin: 0 auto 28px;
      color: #eee3d2;
      font-size: 18px;
    }

    .cta-button {
      display: inline-block;
      background: var(--gold);
      color: #fff;
      padding: 16px 28px;
      border-radius: 50px;
      font-weight: 800;
      text-decoration: none;
      box-shadow: 0 10px 30px rgba(184,138,61,0.28);
    }

    .cta-button:hover {
      background: var(--gold-dark);
      text-decoration: none;
    }

    .note {
      font-size: 14px;
      color: var(--muted);
      margin-top: 18px;
    }

    footer {
      background: #111;
      color: #cfcfcf;
      text-align: center;
      padding: 28px 20px;
      font-size: 14px;
    }

    @media (max-width: 920px) {
      .hero {
        padding: 56px 16px 54px;
      }

      .hero-inner {
        grid-template-columns: 1fr;
        gap: 34px;
      }

      .hero-points,
      .summary-grid,
      .cards {
        grid-template-columns: 1fr;
      }

      h1 {
        font-size: clamp(34px, 9vw, 44px);
        letter-spacing: -0.8px;
      }

      .hero-lead {
        font-size: 18px;
      }

      .hero-card {
        padding: 16px;
        border-radius: 24px;
      }

      .hero-image-wrap {
        border-radius: 18px;
      }

      .hero-image-wrap img {
        border-radius: 18px;
      }

      .container {
        padding: 52px 16px;
      }

      .intro-box,
      .card,
      .faq-item,
      .step {
        padding: 24px 20px;
      }

      .toc {
        padding: 22px 20px;
      }

      .quote {
        padding: 30px 24px;
      }

      .quote p {
        font-size: 20px;
      }

      .quote::after {
        font-size: 88px;
      }

      .cta {
        padding: 36px 22px;
        border-radius: 26px;
      }

      .step {
        grid-template-columns: 1fr;
      }

      .blog-image {
        border-radius: 20px;
      }

      .blog-image .ratio-4-3,
      .blog-image .ratio-3-2 {
        aspect-ratio: 4 / 3;
      }

      .blog-image figcaption {
        padding: 14px 16px;
      }
    }

    @media (max-width: 520px) {
      body {
        line-height: 1.68;
      }

      .eyebrow {
        font-size: 12px;
      }

      .blog-meta span {
        width: 100%;
      }

      th,
      td {
        padding: 14px;
        font-size: 14px;
      }

      .summary-item {
        padding: 18px;
      }

      section {
        margin-bottom: 54px;
      }
    }