:root {
      --ink: #18272b;
      --muted: #627174;
      --stone: #2f6873;
      --stone-dark: #1f4b55;
      --jade: #6f8f86;
      --paper: #f7f4ec;
      --paper-2: #fbfaf5;
      --line: rgba(47, 104, 115, .18);
      --gold: #b98b4b;
      --white: #ffffff;
      --shadow: 0 18px 50px rgba(31, 75, 85, .12);
      --radius-lg: 28px;
      --radius-md: 18px;
      --container: 1160px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Noto Serif SC", "Songti SC", "Microsoft YaHei", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(111, 143, 134, .20), transparent 32%),
        radial-gradient(circle at 92% 18%, rgba(185, 139, 75, .16), transparent 28%),
        linear-gradient(180deg, #f4f0e6 0%, #fbfaf5 38%, #f6f1e7 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

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

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

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(247, 244, 236, .88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--line);
    }

    .nav {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
      color: var(--stone-dark);
      font-weight: 800;
      letter-spacing: .12em;
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 24px;
      background:
        linear-gradient(135deg, rgba(185, 139, 75, .95), rgba(47, 104, 115, .96)),
        var(--stone);
      box-shadow: 0 12px 26px rgba(47, 104, 115, .24);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-text strong {
      font-size: 17px;
    }

    .brand-text span {
      color: var(--muted);
      font-size: 12px;
      letter-spacing: .08em;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 24px;
      color: #2f4145;
      font-size: 15px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .nav-links a {
      position: relative;
      padding: 6px 0;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      border-radius: 99px;
      background: var(--gold);
      transition: width .28s ease;
    }

    .nav-links a:hover::after {
      width: 100%;
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 16px;
      border-radius: 999px;
      background: var(--stone-dark);
      color: #fff;
      font-size: 14px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
      box-shadow: 0 12px 24px rgba(31, 75, 85, .18);
      transition: transform .2s ease, box-shadow .2s ease;
    }

    .nav-action:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 28px rgba(31, 75, 85, .24);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: rgba(255, 255, 255, .65);
      color: var(--stone-dark);
      font-size: 22px;
      cursor: pointer;
    }

    main {
      position: relative;
    }

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

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
      align-items: center;
      gap: 34px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 13px;
      border: 1px solid rgba(47, 104, 115, .20);
      border-radius: 999px;
      background: rgba(255, 255, 255, .58);
      color: var(--stone-dark);
      font-size: 14px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--gold);
      box-shadow: 0 0 0 5px rgba(185, 139, 75, .14);
    }

    h1 {
      margin: 22px 0 16px;
      color: #152a2e;
      font-size: clamp(34px, 6.2vw, 62px);
      line-height: 1.13;
      letter-spacing: -.04em;
    }

    .hero-lead {
      max-width: 680px;
      margin: 0 0 26px;
      color: #4d5d60;
      font-size: 18px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 24px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 700;
      font-family: "Microsoft YaHei", Arial, sans-serif;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--stone-dark), var(--stone));
      color: #fff;
      box-shadow: 0 15px 34px rgba(47, 104, 115, .24);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, .70);
      color: var(--stone-dark);
      border: 1px solid rgba(47, 104, 115, .22);
    }

    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 32px rgba(47, 104, 115, .18);
    }

    .hero-note {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 720px;
    }

    .note-item {
      padding: 14px 16px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .52);
      color: #34474b;
      font-size: 14px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .visual-card {
      position: relative;
      padding: 18px;
      border-radius: var(--radius-lg);
      background: linear-gradient(145deg, rgba(255, 255, 255, .70), rgba(247, 244, 236, .86));
      border: 1px solid rgba(47, 104, 115, .18);
      box-shadow: var(--shadow);
      overflow: hidden;
      isolation: isolate;
      animation: floatIn .8s ease both;
    }

    .visual-card::before {
      content: "";
      position: absolute;
      inset: 16px;
      border: 1px solid rgba(185, 139, 75, .24);
      border-radius: 23px;
      pointer-events: none;
      z-index: 1;
    }

    .phone-frame {
      position: relative;
      border-radius: 24px;
      overflow: hidden;
      background: #e9e2d4;
      aspect-ratio: 4 / 3;
    }

    .phone-frame img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      background: linear-gradient(135deg, #eee7da, #fbfaf5);
    }

    .status-strip {
      position: relative;
      z-index: 2;
      margin-top: 16px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .status-box {
      padding: 14px 15px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .68);
      border: 1px solid rgba(47, 104, 115, .14);
    }

    .status-box b {
      display: block;
      color: var(--stone-dark);
      font-size: 16px;
    }

    .status-box span {
      color: var(--muted);
      font-size: 13px;
    }

    .section {
      padding: 46px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 22px;
    }

    .section-kicker {
      margin: 0 0 6px;
      color: var(--gold);
      font-weight: 800;
      letter-spacing: .16em;
      font-size: 13px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    h2 {
      margin: 0;
      color: #193338;
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.25;
      letter-spacing: -.02em;
    }

    .section-desc {
      max-width: 480px;
      margin: 0;
      color: var(--muted);
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .service-card {
      position: relative;
      padding: 22px;
      border-radius: 22px;
      background: rgba(255, 255, 255, .64);
      border: 1px solid rgba(47, 104, 115, .16);
      box-shadow: 0 10px 28px rgba(47, 104, 115, .07);
      transition: transform .24s ease, border-color .24s ease, background .24s ease;
      overflow: hidden;
    }

    .service-card::after {
      content: "";
      position: absolute;
      width: 72px;
      height: 72px;
      right: -22px;
      top: -22px;
      border-radius: 50%;
      background: rgba(185, 139, 75, .13);
    }

    .service-card:hover {
      transform: translateY(-5px);
      border-color: rgba(47, 104, 115, .28);
      background: rgba(255, 255, 255, .82);
    }

    .service-card h3 {
      margin: 0 0 8px;
      color: #1e3d43;
      font-size: 19px;
    }

    .service-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .solution-panel {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 18px;
      align-items: stretch;
    }

    .diagnosis {
      padding: 26px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(145deg, rgba(47, 104, 115, .10), rgba(255, 255, 255, .72)),
        rgba(255, 255, 255, .72);
      border: 1px solid rgba(47, 104, 115, .16);
      box-shadow: var(--shadow);
    }

    .diagnosis h3 {
      margin: 0 0 14px;
      color: var(--stone-dark);
      font-size: 24px;
    }

    .diagnosis p {
      margin: 0 0 14px;
      color: #4d5d60;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .check-list {
      padding: 0;
      margin: 0;
      list-style: none;
      display: grid;
      gap: 10px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: #32484d;
    }

    .check-list li::before {
      content: "◆";
      color: var(--gold);
      line-height: 1.75;
      font-size: 12px;
    }

    .steps {
      display: grid;
      gap: 14px;
    }

    .step-card {
      display: grid;
      grid-template-columns: 52px 1fr;
      gap: 16px;
      align-items: start;
      padding: 20px;
      border-radius: 22px;
      background: rgba(255, 255, 255, .68);
      border: 1px solid rgba(47, 104, 115, .14);
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .step-num {
      width: 52px;
      height: 52px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--stone), var(--jade));
      font-weight: 800;
    }

    .step-card h3 {
      margin: 0 0 4px;
      color: #203b40;
      font-size: 18px;
    }

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

    .assurance-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      align-items: start;
    }

    .policy-card {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .66);
      border: 1px solid rgba(47, 104, 115, .15);
      box-shadow: 0 12px 32px rgba(47, 104, 115, .08);
    }

    .policy-card h3 {
      margin: 0 0 14px;
      color: var(--stone-dark);
      font-size: 22px;
    }

    .policy-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .policy-list li {
      padding-left: 18px;
      position: relative;
      color: #4c5e62;
      font-size: 14px;
    }

    .policy-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .7em;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--gold);
    }

    .contact-card {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 22px;
      align-items: center;
      padding: 26px;
      border-radius: 30px;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(31, 75, 85, .98), rgba(47, 104, 115, .92)),
        var(--stone-dark);
      box-shadow: 0 18px 42px rgba(31, 75, 85, .22);
    }

    .contact-card h2,
    .contact-card .section-kicker {
      color: #fff;
    }

    .contact-card p {
      color: rgba(255, 255, 255, .82);
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .contact-info {
      display: grid;
      gap: 12px;
      margin-top: 18px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .contact-info div {
      padding: 13px 15px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .10);
      border: 1px solid rgba(255, 255, 255, .16);
      color: #fff;
    }

    .qr-area {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .qr-box {
      padding: 14px;
      border-radius: 22px;
      background: rgba(255, 255, 255, .94);
      color: var(--ink);
      text-align: center;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .qr-box img {
      width: 100%;
      aspect-ratio: 1 / 1;
      object-fit: contain;
      border-radius: 14px;
      background: #fff;
      border: 1px solid rgba(47, 104, 115, .12);
    }

    .qr-box a {
      display: inline-block;
      margin-top: 10px;
      color: #1f5b66;
      font-weight: 700;
      font-size: 13px;
    }

    .map-qr {
      display: grid;
      place-items: center;
      min-height: 150px;
      border-radius: 14px;
      background:
        linear-gradient(135deg, rgba(47, 104, 115, .12), rgba(185, 139, 75, .14)),
        #fff;
      border: 1px solid rgba(47, 104, 115, .12);
      color: var(--stone-dark);
      font-weight: 800;
      line-height: 1.4;
    }

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

    .faq-item {
      border-radius: 20px;
      border: 1px solid rgba(47, 104, 115, .16);
      background: rgba(255, 255, 255, .68);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 18px 20px;
      border: 0;
      background: transparent;
      color: #203b40;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      text-align: left;
      cursor: pointer;
      font-size: 17px;
      font-weight: 800;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .faq-question span {
      flex: 1;
    }

    .faq-icon {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(47, 104, 115, .10);
      color: var(--stone-dark);
      transition: transform .2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--muted);
      font-family: "Microsoft YaHei", Arial, sans-serif;
      font-size: 14px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

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

    .links-card {
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(47, 104, 115, .15);
      background: rgba(255, 255, 255, .62);
    }

    .links-card h2 {
      font-size: 28px;
      margin-bottom: 12px;
    }

    .resource-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

    .resource-links a {
      padding: 9px 13px;
      border-radius: 999px;
      background: rgba(47, 104, 115, .08);
      color: #24545e;
      border: 1px solid rgba(47, 104, 115, .12);
      font-size: 14px;
      transition: background .2s ease, transform .2s ease;
    }

    .resource-links a:hover {
      background: rgba(185, 139, 75, .14);
      transform: translateY(-2px);
    }

    .site-footer {
      margin-top: 12px;
      padding: 26px 0;
      background: #edf0e8;
      border-top: 1px solid rgba(47, 104, 115, .18);
      color: #263c41;
      font-family: "Microsoft YaHei", Arial, sans-serif;
    }

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

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

    .footer-links a {
      color: #24545e;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity .65s ease, transform .65s ease;
    }

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

    @keyframes floatIn {
      from {
        opacity: 0;
        transform: translateY(18px) scale(.98);
      }
      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

    @media (max-width: 980px) {
      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 78px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        border-radius: 22px;
        background: rgba(251, 250, 245, .98);
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
      }

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

      .nav-action {
        width: 100%;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .hero-grid,
      .solution-panel,
      .assurance-wrap,
      .contact-card {
        grid-template-columns: 1fr;
      }

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

      .section-head {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 680px) {
      .container {
        width: min(var(--container), calc(100% - 24px));
      }

      .hero {
        padding-top: 34px;
      }

      .hero-note,
      .service-grid,
      .faq-grid,
      .qr-area,
      .status-strip {
        grid-template-columns: 1fr;
      }

      .contact-card,
      .diagnosis,
      .policy-card,
      .links-card {
        padding: 20px;
      }

      .step-card {
        grid-template-columns: 44px 1fr;
        gap: 12px;
      }

      .step-num {
        width: 44px;
        height: 44px;
      }

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