:root {
      --ink: #120f0b;
      --ink-2: #211a12;
      --panel: #1b1610;
      --panel-soft: #282017;
      --gold: #caa45d;
      --gold-2: #e3c783;
      --paper: #f7f0e4;
      --paper-2: #fff9ee;
      --muted: #705f4b;
      --line: rgba(202, 164, 93, .32);
      --shadow: 0 18px 50px rgba(20, 14, 8, .22);
      --container: 1120px;
      --radius: 22px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Noto Serif SC", "Source Han Serif SC", "Microsoft YaHei", "PingFang SC", serif;
      color: var(--paper);
      background:
        radial-gradient(circle at 8% 4%, rgba(202, 164, 93, .22), transparent 28%),
        radial-gradient(circle at 90% 12%, rgba(122, 69, 31, .22), transparent 28%),
        linear-gradient(135deg, #0f0b08 0%, #1a130d 48%, #120e0b 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.25));
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      width: min(100% - 32px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(18, 14, 10, .86);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(202, 164, 93, .22);
    }

    .nav {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .logo-mark {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border: 1px solid rgba(227, 199, 131, .72);
      border-radius: 14px;
      color: var(--gold-2);
      font-size: 25px;
      font-weight: 800;
      background: linear-gradient(145deg, rgba(202, 164, 93, .16), rgba(255,255,255,.02));
      box-shadow: inset 0 0 18px rgba(202, 164, 93, .16);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.25;
    }

    .brand-text strong {
      font-size: 17px;
      letter-spacing: .08em;
      color: #fff4d7;
    }

    .brand-text span {
      font-size: 12px;
      color: #d6c39c;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 20px;
      color: #f2e5c8;
      font-size: 14px;
      white-space: nowrap;
    }

    .nav-links a {
      opacity: .86;
      transition: color .2s ease, opacity .2s ease, transform .2s ease;
    }

    .nav-links a:hover {
      color: var(--gold-2);
      opacity: 1;
      transform: translateY(-1px);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 18px;
      border-radius: 999px;
      background: linear-gradient(135deg, #e7c77b, #ad7a31);
      color: #171008;
      font-weight: 700;
      box-shadow: 0 10px 28px rgba(202, 164, 93, .24);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid rgba(227, 199, 131, .45);
      border-radius: 12px;
      background: rgba(255,255,255,.04);
      color: var(--gold-2);
      font-size: 22px;
      cursor: pointer;
    }

    main {
      position: relative;
    }

    .hero {
      padding: 58px 0 34px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr);
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 34px;
      border: 1px solid var(--line);
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.07), rgba(255,255,255,.025)),
        radial-gradient(circle at 12% 18%, rgba(202, 164, 93, .18), transparent 38%);
      box-shadow: var(--shadow);
      overflow: hidden;
      position: relative;
    }

    .hero-copy::after {
      content: "修";
      position: absolute;
      right: 26px;
      bottom: -28px;
      color: rgba(227, 199, 131, .07);
      font-size: 150px;
      font-weight: 900;
      line-height: 1;
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid rgba(227, 199, 131, .38);
      color: #f2dfad;
      background: rgba(202, 164, 93, .08);
      font-size: 13px;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--gold-2);
      box-shadow: 0 0 0 5px rgba(227, 199, 131, .12);
    }

    h1 {
      margin: 0;
      font-size: clamp(32px, 7vw, 58px);
      line-height: 1.12;
      letter-spacing: .04em;
      color: #fff6dd;
    }

    .hero-lead {
      position: relative;
      z-index: 1;
      max-width: 720px;
      margin: 18px 0 0;
      color: #e9dabc;
      font-size: 17px;
    }

    .hero-actions {
      position: relative;
      z-index: 1;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 20px;
      border-radius: 14px;
      border: 1px solid transparent;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
      cursor: pointer;
    }

    .btn-primary {
      background: linear-gradient(135deg, #f2d58b, #b98435);
      color: #140e07;
      box-shadow: 0 16px 30px rgba(202, 164, 93, .25);
    }

    .btn-secondary {
      border-color: rgba(227, 199, 131, .45);
      color: #f8e8bf;
      background: rgba(255,255,255,.04);
    }

    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(202, 164, 93, .18);
    }

    .hero-panel {
      display: flex;
      flex-direction: column;
      gap: 14px;
      padding: 24px;
      border-radius: 30px;
      border: 1px solid rgba(227, 199, 131, .34);
      background: linear-gradient(180deg, rgba(40, 32, 23, .9), rgba(24, 18, 13, .96));
      box-shadow: var(--shadow);
    }

    .diagnosis-card {
      padding: 18px;
      border-radius: 20px;
      background: rgba(247, 240, 228, .08);
      border: 1px solid rgba(227, 199, 131, .22);
    }

    .diagnosis-card h2 {
      margin: 0 0 10px;
      font-size: 21px;
      color: #ffe8ac;
    }

    .check-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
      color: #eadcc0;
      font-size: 15px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }

    .check-list li::before {
      content: "◆";
      color: var(--gold-2);
      font-size: 12px;
      margin-top: 3px;
      flex-shrink: 0;
    }

    .quick-info {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .quick-info div {
      padding: 14px;
      border-radius: 18px;
      background: rgba(202, 164, 93, .1);
      border: 1px solid rgba(202, 164, 93, .2);
    }

    .quick-info strong {
      display: block;
      color: #fff0c8;
      font-size: 16px;
    }

    .quick-info span {
      color: #d9c8a8;
      font-size: 13px;
    }

    .section {
      padding: 34px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 20px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(25px, 4.6vw, 38px);
      color: #fff3d4;
      line-height: 1.25;
      letter-spacing: .04em;
    }

    .section-desc {
      max-width: 520px;
      margin: 0;
      color: #d8c8ac;
      font-size: 15px;
    }

    .toc {
      padding: 18px;
      border-radius: 22px;
      border: 1px solid rgba(227, 199, 131, .24);
      background: rgba(255,255,255,.045);
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 10px;
    }

    .toc a {
      text-align: center;
      padding: 10px 8px;
      border-radius: 14px;
      color: #f5e5c3;
      background: rgba(202, 164, 93, .08);
      border: 1px solid rgba(202, 164, 93, .18);
      font-size: 14px;
      transition: background .2s ease, transform .2s ease;
    }

    .toc a:hover {
      background: rgba(202, 164, 93, .18);
      transform: translateY(-2px);
    }

    .service-layout {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 20px;
      align-items: start;
    }

    .paper-card {
      background: linear-gradient(180deg, var(--paper-2), var(--paper));
      color: #2b2116;
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: 0 18px 38px rgba(0,0,0,.18);
      border: 1px solid rgba(202, 164, 93, .32);
    }

    .paper-card h3 {
      margin: 0 0 10px;
      color: #22170d;
      font-size: 22px;
    }

    .paper-card p {
      margin: 0;
      color: #5d4d3c;
    }

    .step-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .step-list li {
      display: grid;
      grid-template-columns: 38px 1fr;
      gap: 12px;
      align-items: start;
    }

    .step-no {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: #20160d;
      color: #f4cf7e;
      font-weight: 900;
      font-size: 14px;
    }

    .step-list strong {
      display: block;
      color: #261b10;
      margin-bottom: 2px;
    }

    .step-list span {
      color: #6a5945;
      font-size: 14px;
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .service-card {
      padding: 20px;
      border-radius: 20px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(227, 199, 131, .23);
      transition: transform .22s ease, border-color .22s ease, background .22s ease;
    }

    .service-card:hover {
      transform: translateY(-4px);
      border-color: rgba(227, 199, 131, .54);
      background: rgba(255,255,255,.085);
    }

    .service-card h3 {
      margin: 0 0 8px;
      color: #ffe8ad;
      font-size: 19px;
    }

    .service-card p {
      margin: 0;
      color: #d8c8aa;
      font-size: 14px;
    }

    .solution-band {
      border-radius: 28px;
      overflow: hidden;
      border: 1px solid rgba(227, 199, 131, .28);
      background:
        linear-gradient(115deg, rgba(30,23,16,.98), rgba(46,33,20,.88)),
        radial-gradient(circle at 80% 20%, rgba(202, 164, 93, .26), transparent 40%);
      box-shadow: var(--shadow);
    }

    .solution-inner {
      display: grid;
      grid-template-columns: 1fr .9fr;
      gap: 22px;
      align-items: center;
      padding: 26px;
    }

    .image-stack {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .photo-frame {
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid rgba(227, 199, 131, .34);
      background: rgba(255,255,255,.05);
      aspect-ratio: 4 / 5;
    }

    .photo-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .solution-copy h2 {
      margin: 0 0 12px;
      color: #fff2cd;
      font-size: clamp(25px, 4.5vw, 36px);
    }

    .solution-copy p {
      margin: 0 0 16px;
      color: #e7d8bb;
    }

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

    .solution-points li {
      padding: 12px 14px;
      border-radius: 16px;
      background: rgba(255,255,255,.065);
      border: 1px solid rgba(227, 199, 131, .18);
      color: #f2e3c7;
    }

    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }

    .guarantee-card {
      padding: 22px;
      border-radius: 22px;
      background: linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
      border: 1px solid rgba(227, 199, 131, .25);
    }

    .guarantee-card h3 {
      margin: 0 0 8px;
      color: #ffe5a6;
      font-size: 19px;
    }

    .guarantee-card p {
      margin: 0;
      color: #d9c9aa;
      font-size: 14px;
    }

    .policy-box {
      margin-top: 14px;
      padding: 20px;
      border-radius: 22px;
      background: rgba(247, 240, 228, .96);
      color: #2c2117;
      border: 1px solid rgba(202, 164, 93, .38);
    }

    .policy-box h3 {
      margin: 0 0 12px;
      color: #22170d;
    }

    .policy-list {
      margin: 0;
      padding-left: 20px;
      color: #5c4c3b;
      display: grid;
      gap: 8px;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border-radius: 20px;
      border: 1px solid rgba(227, 199, 131, .25);
      background: rgba(255,255,255,.055);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      border: 0;
      background: transparent;
      color: #fff0c7;
      font: inherit;
      font-weight: 800;
      text-align: left;
      cursor: pointer;
    }

    .faq-question span {
      flex: 1;
    }

    .faq-question b {
      color: var(--gold-2);
      font-size: 20px;
      transition: transform .2s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .28s ease;
    }

    .faq-answer p {
      margin: 0;
      padding: 0 20px 18px;
      color: #dcccad;
    }

    .faq-item.active .faq-question b {
      transform: rotate(45deg);
    }

    .contact-wrap {
      display: grid;
      grid-template-columns: 1fr .92fr;
      gap: 18px;
      align-items: stretch;
    }

    .contact-card {
      padding: 24px;
      border-radius: 24px;
      background: linear-gradient(180deg, var(--paper-2), var(--paper));
      color: #2a2016;
      border: 1px solid rgba(202, 164, 93, .34);
      box-shadow: 0 18px 38px rgba(0,0,0,.16);
    }

    .contact-card h2 {
      margin: 0 0 12px;
      color: #20160d;
      font-size: 28px;
    }

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

    .contact-list li {
      padding: 13px 14px;
      border-radius: 16px;
      background: rgba(32, 22, 13, .06);
      color: #5b4a39;
    }

    .contact-list strong {
      color: #21170e;
    }

    .map-link {
      display: inline-flex;
      margin-top: 16px;
      color: #21170e;
      background: linear-gradient(135deg, #f0d48c, #bd893a);
      padding: 12px 16px;
      border-radius: 14px;
      font-weight: 900;
    }

    .related-links {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
      margin-top: 14px;
    }

    .related-links a {
      padding: 11px 12px;
      border-radius: 14px;
      color: #f0dfbe;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(227, 199, 131, .18);
      font-size: 14px;
      transition: transform .2s ease, border-color .2s ease;
    }

    .related-links a:hover {
      transform: translateY(-2px);
      border-color: rgba(227, 199, 131, .48);
    }

    .summary {
      padding: 24px;
      border-radius: 26px;
      background:
        linear-gradient(135deg, rgba(227,199,131,.18), rgba(255,255,255,.045)),
        rgba(20,15,10,.72);
      border: 1px solid rgba(227, 199, 131, .32);
      color: #eadbbd;
    }

    .summary h2 {
      margin: 0 0 10px;
      color: #fff1c9;
    }

    .summary p {
      margin: 0;
    }

    .site-footer {
      margin-top: 22px;
      padding: 24px 0;
      background: #0d0906;
      border-top: 1px solid rgba(227, 199, 131, .22);
      color: #dbcaa9;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff0c8;
      font-weight: 900;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 14px;
    }

    .footer-links a {
      color: #dbcaa9;
    }

    .footer-links a:hover {
      color: #f1d78d;
    }

    .copyright {
      width: 100%;
      margin: 0;
      color: #aa9674;
      font-size: 13px;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity .55s ease, transform .55s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 920px) {
      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 74px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 14px;
        border-radius: 20px;
        background: rgba(18, 14, 10, .97);
        border: 1px solid rgba(227, 199, 131, .25);
      }

      .nav-links.open {
        display: flex;
      }

      .nav-links a,
      .nav-action {
        width: 100%;
        justify-content: center;
        padding: 10px 12px;
      }

      .hero-grid,
      .service-layout,
      .solution-inner,
      .contact-wrap {
        grid-template-columns: 1fr;
      }

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

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

    @media (max-width: 640px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .hero {
        padding-top: 32px;
      }

      .hero-copy,
      .hero-panel,
      .solution-inner,
      .contact-card,
      .summary {
        padding: 20px;
        border-radius: 22px;
      }

      .section {
        padding: 26px 0;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 8px;
      }

      .toc {
        grid-template-columns: repeat(2, 1fr);
      }

      .service-grid,
      .quick-info,
      .image-stack,
      .related-links {
        grid-template-columns: 1fr;
      }

      .photo-frame {
        aspect-ratio: 16 / 10;
      }

      .brand-text span {
        display: none;
      }

      .footer-inner {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      .reveal,
      .btn,
      .service-card,
      .toc a,
      .related-links a {
        transition: none;
      }
    }