:root {
      --background: #eee6dc;
      --surface: rgba(255, 255, 255, 0.72);
      --surface-strong: rgba(255, 255, 255, 0.9);
      --ink: #171613;
      --muted: #6d655d;
      --line: rgba(255, 255, 255, 0.86);
      --line-dark: rgba(38, 32, 26, 0.1);
      --accent: #446253;
      --shadow: 0 24px 60px rgba(89, 70, 52, 0.14);
      --shadow-soft: 0 12px 28px rgba(89, 70, 52, 0.1);
      --radius: 18px;
      --page-gap: clamp(12px, 1.5vw, 22px);
      --content-width: 1460px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      height: 100%;
      background: var(--background);
    }

    body {
      margin: 0;
      min-width: 320px;
      height: 100svh;
      min-height: 100%;
      overflow: hidden;
      color: var(--ink);
      background: var(--background);
      font-family: "Manrope", Arial, sans-serif;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    body.is-ar-opening {
      cursor: wait;
    }

    html.contact-panel-embed-root,
    body.contact-panel-embed {
      background: transparent !important;
    }

    body.contact-panel-embed .collection-shell {
      display: none;
    }

    body.contact-panel-embed .wechat-dialog::backdrop {
      background: transparent;
      backdrop-filter: none;
    }

    button,
    a {
      font: inherit;
    }

    button {
      color: inherit;
    }

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

    img,
    svg {
      display: block;
    }

    button:focus-visible,
    a:focus-visible {
      outline: 3px solid rgba(68, 98, 83, 0.38);
      outline-offset: 3px;
    }

    .collection-shell {
      position: relative;
      width: min(100%, var(--content-width));
      height: 100svh;
      display: grid;
      grid-template-rows: auto minmax(0, 1fr) auto;
      gap: var(--page-gap);
      padding: var(--page-gap);
      margin-inline: auto;
      overflow: visible;
      isolation: isolate;
    }

    .collection-shell::before,
    .collection-shell::after {
      content: none;
    }

    .topbar {
      position: relative;
      z-index: 8;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 76px;
      padding: 12px clamp(14px, 2.2vw, 30px);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--surface);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(18px);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      min-width: 0;
    }

    .brand img {
      width: clamp(150px, 16vw, 224px);
      height: auto;
    }

    .topbar-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .language-switcher {
      position: relative;
      flex: 0 0 auto;
    }

    .language-current {
      min-width: 68px;
      height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 7px;
      padding: 0 10px;
      border: 1px solid var(--ink);
      border-radius: var(--radius);
      background: var(--ink);
      color: #fff;
      font-size: 0.78rem;
      font-weight: 800;
      cursor: pointer;
      transition: background-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
    }

    .language-current:hover,
    .language-current[aria-expanded="true"] {
      background: var(--ink);
      transform: translateY(-1px);
      box-shadow: var(--shadow-soft);
    }

    .language-current svg {
      width: 15px;
      height: 15px;
      transition: transform 180ms ease;
    }

    .language-current[aria-expanded="true"] svg {
      transform: rotate(180deg);
    }

    .language-menu {
      position: absolute;
      z-index: 40;
      top: calc(100% + 8px);
      right: 0;
      width: 156px;
      display: grid;
      gap: 3px;
      padding: 5px;
      border: 1px solid var(--ink);
      border-radius: var(--radius);
      background: var(--ink);
      box-shadow: var(--shadow);
    }

    .language-menu[hidden] {
      display: none;
    }

    .language-option {
      width: 100%;
      min-height: 40px;
      display: flex;
      align-items: center;
      gap: 9px;
      padding: 0 10px;
      border: 1px solid transparent;
      border-radius: var(--radius);
      background: transparent;
      color: #fff;
      font-size: 0.82rem;
      font-weight: 700;
      text-align: left;
      cursor: pointer;
      transition: background-color 160ms ease, border-color 160ms ease;
    }

    .language-option:hover,
    .language-option[aria-selected="true"] {
      border-color: rgba(255, 255, 255, 0.24);
      background: rgba(255, 255, 255, 0.12);
    }

    .language-flag {
      width: 24px;
      height: 16px;
      display: block;
      box-sizing: border-box;
      border: 1px solid rgba(18, 17, 15, 0.4);
      border-radius: 2px;
      object-fit: cover;
    }

    .language-current .language-flag,
    .language-menu .language-flag {
      border-color: rgba(255, 255, 255, 0.62);
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    .collection-count {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      padding: 0 18px;
      border: 1px solid var(--ink);
      border-radius: var(--radius);
      background: var(--ink);
      color: #fff;
      font-size: 0.9rem;
      font-weight: 700;
      white-space: nowrap;
      cursor: pointer;
      transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
    }

    .collection-count:hover {
      transform: translateY(-2px);
      background: var(--ink);
      box-shadow: 0 16px 30px rgba(89, 70, 52, 0.15);
    }

    .mobile-nav-menu {
      position: relative;
      display: none;
      flex: 0 0 auto;
    }

    .mobile-nav-trigger {
      width: 42px;
      min-width: 42px;
      justify-content: center;
      padding: 0;
    }

    .mobile-nav-trigger svg {
      width: 18px;
      height: 18px;
    }

    .mobile-nav-panel {
      position: fixed;
      z-index: 120;
      inset: 0;
      display: grid;
      place-items: center;
      padding: 18px;
      background: rgba(23, 22, 19, 0.38);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }

    .mobile-nav-panel[hidden] {
      display: none;
    }

    .mobile-nav-card {
      width: min(100%, 350px);
      max-height: calc(100dvh - 36px);
      overflow: auto;
      border: 1px solid rgba(38, 32, 26, 0.12);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: 0 24px 70px rgba(23, 22, 19, 0.28);
    }

    body.mobile-nav-open {
      overflow: hidden;
    }

    .mobile-nav-head {
      position: relative;
      min-height: 60px;
      display: grid;
      place-items: center;
      padding: 0 58px;
      border-bottom: 1px solid var(--line-dark);
    }

    .mobile-nav-title {
      margin: 0;
      font-size: 1rem;
      font-weight: 700;
    }

    .mobile-nav-close {
      position: absolute;
      top: 10px;
      right: 10px;
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      padding: 0;
      border: 0;
      border-radius: 50%;
      background: var(--ink);
      color: #fff;
      cursor: pointer;
    }

    .mobile-nav-close svg {
      width: 18px;
      height: 18px;
    }

    .mobile-nav-body {
      display: grid;
      gap: 12px;
      padding: 26px 18px 20px;
    }

    .mobile-nav-intro {
      margin-bottom: 6px;
      text-align: center;
    }

    .mobile-nav-intro h3,
    .mobile-nav-intro p {
      margin: 0;
    }

    .mobile-nav-intro h3 {
      font-size: 1.25rem;
    }

    .mobile-nav-intro p {
      margin-top: 5px;
      color: var(--muted);
      font-size: 0.82rem;
    }

    .mobile-nav-item {
      width: 100%;
      min-height: 102px;
      display: grid;
      grid-template-columns: 42px minmax(0, 1fr);
      align-items: center;
      gap: 12px;
      padding: 16px;
      border: 1px solid rgba(38, 32, 26, 0.14);
      border-radius: var(--radius);
      background: #f6f1eb;
      color: var(--ink);
      font: inherit;
      text-align: left;
      cursor: pointer;
    }

    .mobile-nav-item:hover,
    .mobile-nav-item:focus-visible {
      border-color: var(--ink);
      background: #efe8df;
    }

    .mobile-nav-icon {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: var(--ink);
      color: #fff;
    }

    .mobile-nav-icon svg {
      width: 20px;
      height: 20px;
    }

    .mobile-nav-copy {
      min-width: 0;
      display: grid;
      gap: 5px;
    }

    .mobile-nav-copy strong {
      font-size: 0.95rem;
    }

    .mobile-nav-copy small {
      color: var(--muted);
      font-size: 0.76rem;
      line-height: 1.35;
    }

    .stage {
      position: relative;
      z-index: 1;
      min-height: 0;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #f6f1eb;
      box-shadow: var(--shadow);
    }

    .stage::before {
      content: none;
    }

    .intro {
      position: absolute;
      z-index: 4;
      top: clamp(36px, 5vh, 72px);
      left: clamp(24px, 4vw, 64px);
      width: min(430px, calc(100% - 48px));
      pointer-events: none;
    }

    .intro h1 {
      margin: 0;
      max-width: none;
      font-family: "Manrope", sans-serif;
      font-size: clamp(3.2rem, 4.8vw, 5.2rem);
      font-weight: 500;
      line-height: 1;
      letter-spacing: 0;
    }

    .intro p {
      margin: 22px 0 0;
      max-width: 31ch;
      color: var(--muted);
      font-size: clamp(0.96rem, 1.2vw, 1.08rem);
      line-height: 1.65;
    }

    .model-stage {
      position: absolute;
      z-index: 2;
      inset: 0;
      display: grid;
      place-items: center;
      padding: 4vh 4vw 36px clamp(370px, 29vw, 430px);
    }

    .model-stage::after {
      content: none;
    }

    .viewer-frame {
      position: relative;
      width: 100%;
      height: 100%;
      min-height: 440px;
      overflow: hidden;
      border-radius: var(--radius);
      background: transparent;
    }

    model-viewer {
      width: 100%;
      height: 100%;
      min-height: 0;
      background: transparent;
      --poster-color: transparent;
      --progress-bar-height: 0;
      opacity: 1;
      transform: scale(1);
      transition: opacity 280ms ease, transform 420ms cubic-bezier(.2,.7,.2,1), filter 280ms ease;
    }

    /* Fade del viewer temporaneamente disattivato.
    .viewer-frame model-viewer {
      -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' preserveAspectRatio='none'%3E%3Cdefs%3E%3Cfilter id='b' x='-20%25' y='-20%25' width='140%25' height='140%25'%3E%3CfeGaussianBlur stdDeviation='2.6'/%3E%3C/filter%3E%3C/defs%3E%3Crect x='4' y='5' width='92' height='90' rx='4' fill='white' filter='url(%23b)'/%3E%3C/svg%3E");
      -webkit-mask-position: center;
      -webkit-mask-repeat: no-repeat;
      -webkit-mask-size: 100% 100%;
      mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' preserveAspectRatio='none'%3E%3Cdefs%3E%3Cfilter id='b' x='-20%25' y='-20%25' width='140%25' height='140%25'%3E%3CfeGaussianBlur stdDeviation='2.6'/%3E%3C/filter%3E%3C/defs%3E%3Crect x='4' y='5' width='92' height='90' rx='4' fill='white' filter='url(%23b)'/%3E%3C/svg%3E");
      mask-mode: alpha;
      mask-position: center;
      mask-repeat: no-repeat;
      mask-size: 100% 100%;
    }
    */

    .stage.is-switching model-viewer {
      opacity: 0.36;
      transform: scale(0.985);
      filter: blur(3px);
    }

    .loading-state {
      position: absolute;
      z-index: 5;
      left: 50%;
      top: 48%;
      display: grid;
      justify-items: center;
      gap: 12px;
      width: min(280px, 54vw);
      transform: translate(-20%, -50%);
      color: var(--muted);
      text-align: center;
      pointer-events: none;
      transition: opacity 200ms ease, visibility 200ms ease;
    }

    .loading-state[hidden] {
      opacity: 0;
      visibility: hidden;
    }

    .loading-state strong {
      color: var(--ink);
      font-size: 0.92rem;
    }

    .stage-loader-track {
      display: none;
      width: 100%;
      height: 4px;
      overflow: hidden;
      border-radius: 999px;
      background: rgba(23, 22, 19, 0.1);
    }

    .stage-loader-bar {
      width: 0;
      height: 100%;
      border-radius: inherit;
      background: var(--ink);
      transition: width 160ms linear;
    }

    .selected-info {
      position: absolute;
      z-index: 6;
      left: clamp(24px, 4vw, 64px);
      bottom: 34px;
      display: grid;
      justify-items: start;
      gap: 10px;
      width: min(410px, calc(100% - 48px));
    }

    .selected-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .ar-availability {
      max-width: 410px;
      margin: 0;
      color: var(--muted);
      font-size: 0.76rem;
      line-height: 1.45;
    }

    .ar-availability[hidden] {
      display: none;
    }

    .action {
      min-height: 54px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 0 20px;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: var(--surface-strong);
      color: var(--ink);
      font-weight: 700;
      box-shadow: var(--shadow-soft);
      cursor: pointer;
      transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
    }

    .action:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(89, 70, 52, 0.15);
    }

    .action-primary {
      border-color: var(--ink);
      background: var(--ink);
      color: #fff;
    }

    #open-ar {
      border-radius: var(--radius);
    }

    .action[disabled] {
      opacity: 0.5;
      cursor: not-allowed;
      transform: none;
    }

    .action[data-ar-state="loading"][disabled] {
      cursor: wait;
    }

    .action svg {
      width: 19px;
      height: 19px;
      stroke-width: 1.8;
    }

    .selector {
      position: relative;
      z-index: 7;
      display: grid;
      grid-template-columns: 48px minmax(0, 1fr) 48px;
      align-items: center;
      gap: 12px;
      min-height: 118px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--surface);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(18px);
    }

    .selector-nav {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      padding: 0;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.78);
      color: var(--ink);
      box-shadow: var(--shadow-soft);
      cursor: pointer;
      transition: transform 180ms ease, background 180ms ease;
    }

    .selector-nav:hover {
      transform: translateY(-2px);
      background: #fff;
    }

    .selector-nav svg {
      width: 20px;
      height: 20px;
      stroke-width: 1.8;
    }

    .model-list {
      display: grid;
      grid-template-columns: repeat(6, minmax(112px, 1fr));
      gap: 8px;
      min-width: 0;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .model-list li[data-copy]:not([data-copy="1"]) {
      display: none;
    }

    .model-option {
      position: relative;
      width: 100%;
      height: 96px;
      min-height: 96px;
      display: block;
      overflow: hidden;
      padding: 6px 10px 8px;
      border: 1px solid transparent;
      border-radius: var(--radius);
      background: transparent;
      text-align: center;
      cursor: pointer;
      transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
    }

    .model-option:hover {
      background: rgba(255, 255, 255, 0.54);
    }

    .model-option[aria-pressed="true"] {
      border-color: var(--line);
      background: rgba(255, 255, 255, 0.92);
      box-shadow: var(--shadow-soft);
      transform: translateY(-1px);
    }

    .option-head {
      position: absolute;
      right: 8px;
      bottom: 7px;
      left: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      min-width: 0;
      height: 18px;
      transition: opacity 180ms ease, transform 220ms ease, visibility 180ms ease;
    }

    .option-preview {
      position: absolute;
      top: 3px;
      left: 3px;
      width: calc(100% - 6px);
      height: calc(100% - 6px);
      display: block;
      border-radius: var(--radius);
      background: transparent;
      object-fit: contain;
      backface-visibility: hidden;
      transform: translate3d(0, -10px, 0) scale(0.72);
      transform-origin: center;
      will-change: transform;
      transition: transform 320ms cubic-bezier(.2, .7, .2, 1);
    }

    .model-option:is(:hover, :focus-visible, [aria-pressed="true"]) .option-preview {
      transform: translate3d(0, 0, 0) scale(1.08);
    }

    .model-option:is(:hover, :focus-visible, [aria-pressed="true"]) .option-head {
      visibility: hidden;
      opacity: 0;
      transform: translateY(8px);
    }

    .option-name {
      overflow: hidden;
      font-size: 0.9rem;
      font-weight: 800;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .toast {
      position: fixed;
      z-index: 2147483647;
      top: auto;
      right: auto;
      left: 50%;
      bottom: 24px;
      max-width: min(460px, calc(100% - 32px));
      margin: 0;
      padding: 12px 16px;
      border: 0;
      border-radius: var(--radius);
      background: var(--ink);
      color: #fff;
      box-shadow: var(--shadow);
      font-size: 0.84rem;
      font-weight: 700;
      opacity: 0;
      pointer-events: none;
      transform: translate(-50%, 12px);
      transition: opacity 180ms ease, transform 180ms ease;
    }

    .toast.is-visible {
      opacity: 1;
      transform: translate(-50%, 0);
    }

    .contact-nudge[hidden] {
      display: none;
    }

    .contact-nudge {
      position: fixed;
      inset: 0;
      z-index: 10000;
      display: grid;
      place-items: center;
      padding: 16px;
      background: rgba(23, 22, 19, 0.38);
      -webkit-backdrop-filter: blur(10px);
      backdrop-filter: blur(10px);
    }

    .contact-nudge-card {
      width: min(460px, 100%);
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      color: var(--ink);
      box-shadow: var(--shadow);
    }

    .contact-nudge-head {
      position: relative;
      display: flex;
      min-height: 64px;
      align-items: center;
      justify-content: center;
      padding: 12px 64px;
      border-bottom: 1px solid var(--line-dark);
    }

    .contact-nudge-head .icon-button {
      position: absolute;
      top: 50%;
      right: 12px;
      border-color: var(--ink);
      background: var(--ink);
      color: #fff;
      transform: translateY(-50%);
    }

    .contact-nudge-body {
      display: grid;
      justify-items: center;
      gap: 14px;
      padding: 30px;
      text-align: center;
    }

    .contact-nudge-icon {
      display: grid;
      width: 48px;
      height: 48px;
      place-items: center;
      border-radius: 50%;
      background: var(--ink);
      color: #fff;
    }

    .contact-nudge-icon svg {
      width: 22px;
      height: 22px;
    }

    .contact-nudge-body h2,
    .contact-nudge-body p {
      margin: 0;
    }

    .contact-nudge-body h2 {
      max-width: 360px;
      font-size: clamp(1.35rem, 4vw, 1.75rem);
      line-height: 1.12;
    }

    .contact-nudge-body p {
      max-width: 370px;
      color: var(--muted);
      line-height: 1.5;
    }

    .contact-nudge-body .action {
      width: 100%;
      justify-content: center;
      margin-top: 4px;
    }

    body.is-contact-nudge-open {
      overflow: hidden;
    }

    .wechat-dialog {
      position: relative;
      width: min(820px, calc(100% - 24px));
      max-height: calc(100svh - 32px);
      margin: auto;
      padding: 0;
      overflow: auto;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      color: var(--ink);
      box-shadow: var(--shadow);
    }

    .wechat-dialog::backdrop {
      background: rgba(23, 22, 19, 0.42);
      backdrop-filter: blur(10px);
    }

    .wechat-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr);
    }

    .wechat-dialog-head {
      grid-column: 1 / -1;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      min-height: 64px;
      padding: 12px 64px;
      border-bottom: 1px solid var(--line-dark);
    }

    .wechat-dialog-head h2 {
      margin: 0;
      font-size: 1.1rem;
      line-height: 1.2;
      text-align: center;
    }

    .wechat-dialog-head .icon-button {
      position: absolute;
      top: 50%;
      right: 12px;
      transform: translateY(-50%);
      border-color: var(--ink);
      background: var(--ink);
      color: #fff;
    }

    .contact-form-panel,
    .wechat-contact-panel,
    .whatsapp-contact-panel {
      min-width: 0;
      display: grid;
      align-content: start;
      gap: 14px;
      padding: 22px;
    }

    .contact-form-panel {
      grid-column: 1 / -1;
      grid-template-rows: auto auto minmax(0, 1fr);
      width: min(620px, 100%);
      box-sizing: border-box;
      justify-self: center;
      min-height: 660px;
      padding: 30px 28px 36px;
    }

    .contact-method-selector {
      grid-column: 1 / -1;
      width: min(620px, 100%);
      min-height: 660px;
      display: grid;
      align-content: center;
      justify-self: center;
      gap: 26px;
      box-sizing: border-box;
      padding: 36px 28px;
    }

    .contact-method-selector[hidden],
    .contact-form-panel[hidden],
    .contact-apps-column[hidden],
    .wechat-contact-panel[hidden],
    .whatsapp-contact-panel[hidden] {
      display: none;
    }

    html[data-language="zh"] [data-contact-view-choice="whatsapp"],
    html[data-language="zh"] [data-contact-entry="whatsapp"],
    html[data-language="zh"] .whatsapp-contact-panel {
      display: none !important;
    }

    .contact-method-head {
      display: grid;
      gap: 7px;
      text-align: center;
    }

    .contact-method-head h3,
    .contact-method-head p {
      margin: 0;
    }

    .contact-method-head h3 {
      font-size: 1.45rem;
    }

    .contact-method-head p {
      color: var(--muted);
      font-size: 0.88rem;
    }

    .contact-method-grid {
      width: 100%;
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      gap: 14px;
      justify-self: center;
    }

    .contact-method-card {
      min-height: 112px;
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      grid-template-rows: auto auto;
      align-content: start;
      align-items: center;
      justify-items: stretch;
      gap: 12px;
      padding: 22px;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: #f6f1eb;
      color: var(--ink);
      font: inherit;
      text-align: left;
      cursor: pointer;
      transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
    }

    .contact-method-card:hover {
      transform: translateY(-2px);
      border-color: #b9aea2;
      background: #eee7df;
    }

    .contact-method-card:focus-visible {
      outline: 3px solid rgba(68, 98, 83, 0.22);
      outline-offset: 2px;
    }

    .contact-method-icon {
      width: 44px;
      height: 44px;
      grid-row: 1 / 3;
      display: grid;
      place-items: center;
      border-radius: var(--radius);
      background: var(--ink);
      color: #fff;
    }

    .contact-brand-icon {
      width: 20px;
      height: 20px;
      display: block;
      flex: 0 0 auto;
      object-fit: contain;
    }

    .contact-method-icon .contact-brand-icon {
      width: 26px;
      height: 26px;
    }

    .contact-method-icon .contact-brand-icon.is-whatsapp {
      transform: translate(1px, -1px);
    }

    .contact-method-card strong {
      font-size: 1rem;
    }

    .contact-method-card small {
      color: var(--muted);
      font-size: 0.8rem;
      line-height: 1.45;
    }

    .contact-view-back {
      position: absolute;
      z-index: 5;
      top: 12px;
      left: 12px;
      width: 40px;
      height: 40px;
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      border-color: var(--ink);
      background: var(--ink);
      color: #fff;
      cursor: pointer;
    }

    .contact-view-back span {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    .contact-apps-column {
      grid-column: 1 / -1;
      min-width: 0;
      width: min(560px, 100%);
      display: grid;
      grid-template-rows: auto minmax(0, 1fr);
      justify-self: center;
      border-left: 0;
    }

    .contact-apps-column > .contact-view-back {
      margin: 0;
    }

    .contact-apps-column .wechat-contact-panel,
    .contact-apps-column .whatsapp-contact-panel {
      grid-template-columns: minmax(0, 1fr);
      grid-template-areas:
        "title"
        "qr"
        "divider"
        "identity"
        "."
        "action";
      grid-template-rows: auto 240px auto auto minmax(16px, 1fr) auto;
      align-content: stretch;
      gap: 16px;
      min-height: 580px;
      padding: 24px 34px 34px;
    }

    .contact-apps-column .whatsapp-contact-panel {
      border-top: 0;
    }

    .contact-app-title {
      grid-area: title;
      margin: 0;
      font-size: 1.05rem;
      font-weight: 800;
      line-height: 1.3;
      text-align: center;
    }

    .contact-apps-column .wechat-qr,
    .contact-apps-column .whatsapp-qr {
      grid-area: qr;
      width: 240px;
      height: 240px;
      max-height: none;
    }

    .contact-apps-column .wechat-divider {
      grid-area: divider;
    }

    .contact-apps-column .wechat-id-row {
      grid-area: identity;
      min-height: 64px;
    }

    .contact-apps-column .wechat-open,
    .contact-apps-column .whatsapp-open {
      grid-area: action;
      min-height: 54px;
    }

    .contact-section-head {
      display: grid;
      gap: 4px;
    }

    .contact-section-head h3 {
      margin: 0;
      font-size: 1.02rem;
    }

    .contact-section-head p {
      margin: 0;
      color: var(--muted);
      font-size: 0.82rem;
    }

    .contact-form {
      display: grid;
      align-content: start;
      gap: 18px;
    }

    .contact-progress {
      position: relative;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 0;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .contact-progress::before {
      content: "";
      position: absolute;
      z-index: 0;
      top: 15px;
      left: calc(100% / 6);
      right: calc(100% / 6);
      height: 1px;
      background: var(--line-dark);
    }

    .contact-progress-item {
      position: relative;
      z-index: 1;
      min-width: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 7px;
      color: var(--muted);
      font-size: 0.72rem;
      font-weight: 800;
      text-align: center;
    }

    .contact-progress-index {
      width: 30px;
      height: 30px;
      display: grid;
      flex: 0 0 auto;
      place-items: center;
      border: 1px solid var(--line-dark);
      border-radius: 50%;
      background: #f6f1eb;
      color: var(--muted);
      transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
    }

    .contact-progress-item[aria-current="step"] {
      color: var(--ink);
    }

    .contact-progress-item[aria-current="step"] .contact-progress-index {
      border-color: var(--ink);
      background: var(--ink);
      color: #fff;
    }

    .contact-progress-item.is-complete .contact-progress-index {
      border-color: var(--accent);
      background: var(--accent);
      color: #fff;
    }

    .contact-step {
      display: grid;
      align-content: start;
      gap: 18px;
      animation: contact-step-in 220ms ease both;
    }

    .contact-step[hidden] {
      display: none;
    }

    @keyframes contact-step-in {
      from {
        opacity: 0;
        transform: translateY(6px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .contact-step-head {
      display: grid;
      gap: 5px;
    }

    .contact-step-head h4 {
      margin: 0;
      font-size: 1.18rem;
      line-height: 1.2;
    }

    .contact-step-head p,
    .contact-form-intro {
      margin: 0;
      color: var(--muted);
      font-size: 0.82rem;
      line-height: 1.5;
    }

    .contact-question {
      min-width: 0;
      display: grid;
      gap: 8px;
      margin: 0;
      padding: 0;
      border: 0;
    }

    .contact-question legend {
      margin-bottom: 8px;
      color: var(--muted);
      font-size: 0.74rem;
      font-weight: 700;
    }

    .contact-answer-grid {
      --answer-columns: 2;
      display: grid;
      grid-template-columns: repeat(var(--answer-columns), minmax(0, 1fr));
      gap: 8px;
    }

    .contact-answer-grid.is-four {
      --answer-columns: 2;
    }

    .contact-answer-grid.is-three {
      --answer-columns: 2;
    }

    .contact-answer-grid.is-two {
      --answer-columns: 2;
    }

    [data-contact-step="1"] .contact-answer-grid.is-four {
      --answer-columns: 4;
    }

    [data-contact-step="1"] .contact-answer-grid:not(.is-four) {
      --answer-columns: 3;
    }

    .contact-answer {
      position: relative;
      min-width: 0;
      cursor: pointer;
    }

    .contact-answer input {
      position: absolute;
      inset: 50% auto auto 50%;
      width: 1px;
      height: 1px;
      opacity: 0;
    }

    .contact-answer-card {
      min-height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 9px 10px;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: #f6f1eb;
      color: var(--ink);
      font-size: 0.78rem;
      font-weight: 750;
      line-height: 1.25;
      text-align: center;
      overflow-wrap: anywhere;
      transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
    }

    .contact-answer:hover .contact-answer-card {
      border-color: #b9aea2;
      background: #eee7df;
      transform: translateY(-1px);
    }

    .contact-answer input:checked + .contact-answer-card {
      border-color: var(--ink);
      background: var(--ink);
      color: #fff;
    }

    .contact-answer input:focus-visible + .contact-answer-card {
      outline: 3px solid rgba(68, 98, 83, 0.22);
      outline-offset: 2px;
    }

    .contact-question.is-invalid .contact-answer-card {
      border-color: #a2473f;
    }

    .contact-details {
      padding-top: 4px;
      border-top: 1px solid var(--line-dark);
    }

    .contact-details summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 0 4px;
      font-size: 0.82rem;
      font-weight: 800;
      cursor: pointer;
      list-style: none;
    }

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

    .contact-details summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      display: grid;
      flex: 0 0 auto;
      place-items: center;
      border: 1px solid var(--line-dark);
      border-radius: 50%;
      font-size: 1rem;
    }

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

    .contact-details-copy {
      display: block;
      margin-top: 2px;
      color: var(--muted);
      font-size: 0.72rem;
      font-weight: 500;
    }

    .contact-details-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      padding-top: 14px;
    }

    .contact-form-panel:has(.contact-details[open]) {
      min-height: 0;
      padding-top: 20px;
      padding-bottom: 18px;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-form,
    .contact-form-panel:has(.contact-details[open]) [data-contact-step="1"] {
      gap: 11px;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-form-intro,
    .contact-form-panel:has(.contact-details[open]) [data-contact-step="1"] .contact-step-head p {
      display: none;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-progress-index {
      width: 26px;
      height: 26px;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-progress::before {
      top: 13px;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-progress-item {
      gap: 4px;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-answer-card {
      min-height: 40px;
      padding-top: 6px;
      padding-bottom: 6px;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-details summary {
      padding-top: 7px;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-details-grid {
      gap: 8px 10px;
      padding-top: 8px;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-field {
      gap: 4px;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-field input {
      min-height: 40px;
      padding-top: 8px;
      padding-bottom: 8px;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-field textarea {
      min-height: 78px;
      max-height: 110px;
      padding-top: 9px;
      padding-bottom: 9px;
    }

    .contact-form-panel:has(.contact-details[open]) .contact-step-actions .action {
      min-height: 44px;
    }

    .contact-step-actions {
      display: flex;
      justify-content: flex-end;
      gap: 10px;
      padding-top: 4px;
    }

    .contact-step-actions .action {
      min-width: 138px;
      min-height: 48px;
    }

    .contact-field {
      display: grid;
      gap: 6px;
    }

    .contact-field[hidden] {
      display: none;
    }

    .contact-field label {
      color: var(--muted);
      font-size: 0.74rem;
      font-weight: 700;
    }

    .contact-field label small,
    .contact-question legend small {
      margin-left: 4px;
      color: #8a8178;
      font-size: 0.66rem;
      font-weight: 600;
    }

    .contact-field input,
    .contact-field textarea {
      width: 100%;
      min-height: 48px;
      padding: 12px 14px;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      outline: none;
      background: #f6f1eb;
      color: var(--ink);
      font: inherit;
      transition: border-color 180ms ease, box-shadow 180ms ease;
    }

    .contact-field textarea {
      min-height: 146px;
      resize: vertical;
    }

    .contact-consent {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--muted);
      font-size: 0.74rem;
      line-height: 1.45;
      cursor: pointer;
    }

    .contact-consent input {
      width: 18px;
      height: 18px;
      flex: 0 0 auto;
      margin: 1px 0 0;
      accent-color: var(--ink);
    }

    .contact-consent a {
      color: var(--ink);
      font-weight: 750;
      text-decoration: underline;
      text-underline-offset: 2px;
    }

    .contact-honeypot {
      position: fixed;
      top: -10000px;
      left: -10000px;
      width: 1px;
      height: 1px;
      overflow: hidden;
    }

    .contact-success {
      width: min(440px, 100%);
      display: grid;
      justify-items: center;
      gap: 14px;
      margin: auto;
      text-align: center;
    }

    .contact-success[hidden] {
      display: none;
    }

    .contact-success-icon {
      width: 54px;
      height: 54px;
      display: grid;
      place-items: center;
      border-radius: var(--radius);
      background: var(--ink);
      color: #fff;
    }

    .contact-success h3,
    .contact-success p {
      margin: 0;
    }

    .contact-success p {
      color: var(--muted);
      line-height: 1.55;
    }

    .contact-form-panel.is-sent {
      grid-template-rows: minmax(0, 1fr);
      align-content: center;
      place-items: center;
    }

    .contact-form-panel.is-sent > .contact-view-back,
    .contact-form-panel.is-sent > .contact-section-head,
    .contact-form-panel.is-sent > .contact-form {
      display: none;
    }

    .contact-submit[aria-busy="true"] {
      cursor: wait;
      opacity: 0.72;
    }

    .contact-field input:focus,
    .contact-field textarea:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(68, 98, 83, 0.14);
    }

    .contact-choice {
      position: relative;
    }

    .contact-choice.is-open {
      z-index: 20;
    }

    .contact-choice-trigger {
      width: 100%;
      min-height: 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 14px;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: #f6f1eb;
      color: var(--ink);
      font: inherit;
      text-align: left;
      cursor: pointer;
      transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
    }

    .contact-choice-trigger svg {
      width: 17px;
      height: 17px;
      flex: 0 0 auto;
      color: var(--muted);
      transition: transform 180ms ease;
    }

    .contact-choice.is-open .contact-choice-trigger {
      border-color: var(--accent);
      background: #f6f1eb;
      box-shadow: 0 0 0 3px rgba(68, 98, 83, 0.14);
    }

    .contact-choice.is-open .contact-choice-trigger svg {
      transform: rotate(180deg);
    }

    .contact-choice.is-invalid .contact-choice-trigger {
      border-color: #a2473f;
      box-shadow: 0 0 0 3px rgba(162, 71, 63, 0.12);
    }

    .contact-choice-menu {
      position: absolute;
      top: calc(100% + 7px);
      right: 0;
      left: 0;
      max-height: 230px;
      overflow-y: auto;
      padding: 6px;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: #f6f1eb;
      box-shadow: 0 16px 36px rgba(23, 22, 19, 0.18);
    }

    .contact-choice.is-upward .contact-choice-menu {
      top: auto;
      bottom: calc(100% + 7px);
    }

    .contact-choice-menu[hidden] {
      display: none;
    }

    .contact-choice-option {
      width: 100%;
      min-height: 36px;
      display: flex;
      align-items: center;
      padding: 7px 10px;
      border: 0;
      border-radius: var(--radius);
      background: transparent;
      color: var(--ink);
      font: inherit;
      font-size: 0.86rem;
      text-align: left;
      cursor: pointer;
      overflow-wrap: anywhere;
    }

    .contact-choice-option:hover,
    .contact-choice-option:focus-visible {
      outline: none;
      background: #ebe4dc;
    }

    .contact-choice-option[aria-selected="true"] {
      background: #e4dbd0;
      color: var(--ink);
      font-weight: 700;
      box-shadow: inset 3px 0 0 var(--accent);
    }

    .contact-form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      align-content: start;
      gap: 12px;
    }

    .contact-field.is-wide {
      grid-column: 1 / -1;
    }

    .contact-field.is-wide textarea {
      min-height: 96px;
    }

    .contact-submit {
      width: 100%;
    }

    .icon-button {
      width: 42px;
      height: 42px;
      display: grid;
      flex: 0 0 auto;
      place-items: center;
      padding: 0;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: #fff;
      cursor: pointer;
    }

    .icon-button svg {
      width: 18px;
      height: 18px;
    }

    .wechat-qr,
    .whatsapp-qr {
      width: min(240px, 58vw);
      max-height: 40svh;
      margin: 0 auto;
      border-radius: var(--radius);
      object-fit: contain;
    }

    .wechat-divider {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--muted);
      font-size: 0.72rem;
      font-weight: 700;
      text-transform: uppercase;
    }

    .wechat-divider::before,
    .wechat-divider::after {
      content: "";
      height: 1px;
      flex: 1 1 auto;
      background: var(--line-dark);
    }

    .wechat-id-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 10px 10px 14px;
      border-radius: var(--radius);
      background: #f6f1eb;
    }

    .wechat-id {
      min-width: 0;
      display: grid;
      gap: 2px;
    }

    .wechat-id small {
      color: var(--muted);
      font-size: 0.68rem;
      font-weight: 700;
      text-transform: uppercase;
    }

    .wechat-id strong {
      overflow-wrap: anywhere;
      font-size: 0.88rem;
    }

    .wechat-open,
    .whatsapp-open {
      width: 100%;
    }

    @media (max-width: 1180px) {
      .model-stage {
        padding-left: clamp(330px, 31vw, 370px);
      }

      .intro {
        width: 310px;
      }

      .model-list {
        grid-template-columns: repeat(6, minmax(96px, 1fr));
      }

      .model-option {
        padding: 6px 8px 8px;
      }

      .option-preview {
        transform: translate3d(0, -9px, 0) scale(0.7);
      }
    }

    @media (max-width: 820px) {
      .topbar {
        min-height: 66px;
      }

      .stage {
        min-height: 0;
      }

      .intro {
        top: 30px;
        left: 24px;
        width: min(300px, calc(100% - 48px));
      }

      .intro h1 {
        font-size: clamp(2.3rem, 9vw, 4.2rem);
      }

      .intro p {
        margin-top: 14px;
      }

      .model-stage {
        inset: 160px 0 0;
        padding: 0 14px 150px;
      }

      model-viewer {
        width: 100%;
        min-height: 0;
      }

      .viewer-frame {
        min-height: 0;
      }

      .loading-state {
        top: 50%;
        transform: translate(-50%, -50%);
      }

      .selected-info {
        bottom: 24px;
        left: 24px;
      }

      .selector {
        position: relative;
        grid-template-columns: 40px minmax(0, 1fr) 40px;
        min-height: 126px;
        overflow: hidden;
        padding: 10px;
      }

      .selector-nav {
        width: 38px;
        height: 38px;
      }

      .model-list {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding-block: 10px;
        padding-inline: calc(50% - 75px);
        scroll-snap-type: x mandatory;
        scroll-padding-inline: calc(50% - 75px);
        overscroll-behavior-inline: contain;
        scrollbar-width: none;
      }

      .model-list::-webkit-scrollbar {
        display: none;
      }

      .model-list li {
        flex: 0 0 150px;
        scroll-snap-align: center;
        scroll-snap-stop: always;
      }

      .model-list li[data-copy],
      .model-list li[data-copy]:not([data-copy="1"]) {
        display: block;
      }

      .wechat-dialog {
        width: min(520px, calc(100% - 20px));
        max-height: calc(100svh - 20px);
      }

      .wechat-panel {
        grid-template-columns: minmax(0, 1fr);
      }

      .wechat-dialog-head {
        grid-column: 1;
      }

      .contact-form-panel,
      .wechat-contact-panel,
      .whatsapp-contact-panel {
        padding: 18px;
      }

      .contact-method-selector {
        min-height: auto;
        padding: 28px 18px;
      }

      .contact-method-grid {
        grid-template-columns: minmax(0, 1fr);
      }

      .contact-method-card {
        min-height: 112px;
        grid-template-columns: auto minmax(0, 1fr);
        grid-template-rows: auto auto;
        align-items: center;
      }

      .contact-method-icon {
        grid-row: 1 / 3;
      }

      .contact-apps-column {
        grid-template-rows: auto;
        border-top: 0;
        border-left: 0;
      }

      .contact-apps-column .wechat-contact-panel,
      .contact-apps-column .whatsapp-contact-panel {
        grid-template-columns: minmax(0, 1fr);
        grid-template-areas:
          "title"
          "qr"
          "divider"
          "identity"
          "action";
        grid-template-rows: auto;
        align-content: start;
        gap: 14px;
        min-height: 0;
        padding: 20px 22px 26px;
      }

      .contact-field textarea {
        min-height: 104px;
      }

      .contact-form-grid {
        grid-template-columns: minmax(0, 1fr);
      }

      .contact-answer-grid,
      .contact-answer-grid.is-four,
      .contact-answer-grid.is-three,
      .contact-answer-grid.is-two {
        --answer-columns: 2;
      }

      .contact-answer-grid.contact-method-grid {
        --answer-columns: 3;
      }

      .contact-details-grid {
        grid-template-columns: minmax(0, 1fr);
      }

      .contact-field.is-wide {
        grid-column: 1;
      }

      .contact-apps-column .wechat-qr,
      .contact-apps-column .whatsapp-qr {
        width: min(230px, 64vw);
        height: auto;
        max-height: 36svh;
      }
    }

    @media (max-width: 560px) {
      .topbar {
        flex-wrap: nowrap;
        gap: 10px;
        padding-right: 12px;
        padding-left: 12px;
      }

      .brand img {
        width: 136px;
      }

      .topbar-actions {
        flex: 0 1 auto;
        justify-content: flex-end;
        gap: 6px;
      }

      .language-current {
        min-width: 56px;
        height: 42px;
        gap: 5px;
        padding: 0 8px;
      }

      .language-flag {
        width: 21px;
        height: 14px;
      }

      .collection-count {
        min-height: 42px;
        padding: 0 12px;
        font-size: 0.8rem;
      }

      .desktop-nav-action {
        display: none;
      }

      .mobile-nav-menu {
        display: block;
      }

      .stage {
        display: grid;
        grid-template-rows: auto minmax(0, 1fr) auto;
        gap: 12px;
        min-height: 0;
        padding: 24px 14px;
      }

      .intro {
        position: relative;
        top: auto;
        right: auto;
        left: auto;
        width: auto;
        padding: 0 8px;
      }

      .intro h1 {
        max-width: none;
        font-size: 2.35rem;
      }

      .intro p {
        max-width: none;
        font-size: 0.9rem;
      }

      .model-stage {
        position: relative;
        inset: auto;
        width: 100%;
        height: 100%;
        min-height: 0;
        padding: 0;
      }

      model-viewer {
        min-height: 0;
      }

      .viewer-frame {
        min-height: 0;
      }

      .selected-info {
        position: relative;
        right: auto;
        bottom: auto;
        left: auto;
        width: 100%;
        gap: 10px;
        padding: 0 6px;
      }

      .selected-actions {
        width: 100%;
      }

      .action {
        min-height: 48px;
        flex: 1 1 0;
        padding: 0 12px;
        font-size: 0.82rem;
      }

      .selector {
        min-height: 136px;
        box-shadow:
          var(--shadow-soft),
          inset 18px 0 22px -22px rgba(18, 17, 15, 0.32),
          inset -18px 0 22px -22px rgba(18, 17, 15, 0.32);
      }

      .selector-nav {
        display: none;
      }

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

      .selector::before,
      .selector::after {
        content: none;
      }

      .model-list li {
        flex-basis: 150px;
      }

      .model-option {
        padding-right: 8px;
        padding-left: 8px;
      }

      .model-option[aria-pressed="true"] {
        box-shadow: 0 4px 8px rgba(89, 70, 52, 0.14);
      }

      .wechat-dialog {
        width: calc(100% - 12px);
        max-height: calc(100svh - 12px);
      }

      .contact-form-panel {
        padding: 18px 16px;
      }

      .contact-progress-item {
        justify-content: center;
      }

      .contact-progress-index {
        width: 34px;
        height: 34px;
      }

      .contact-progress::before {
        top: 17px;
      }

      .contact-step-actions {
        position: sticky;
        z-index: 4;
        bottom: 0;
        margin: 0 -4px -4px;
        padding: 12px 4px 4px;
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0), #fff 24%);
      }

      .contact-step-actions .action {
        min-width: 0;
      }

      .contact-answer-grid.contact-method-grid {
        --answer-columns: 1;
      }
    }

    @media (max-height: 820px) and (min-width: 821px) {
      .collection-shell {
        gap: 10px;
        padding: 10px;
      }

      .topbar {
        min-height: 64px;
        padding-top: 8px;
        padding-bottom: 8px;
      }

      .stage {
        border-radius: var(--radius);
      }

      .intro {
        top: 24px;
      }

      .intro h1 {
        font-size: clamp(2.7rem, 4vw, 4rem);
      }

      .intro p {
        margin-top: 14px;
        line-height: 1.45;
      }

      .selected-info {
        bottom: 20px;
        gap: 7px;
      }

      .action {
        min-height: 44px;
      }

      .selector {
        min-height: 104px;
        padding: 8px;
        border-radius: var(--radius);
      }

      .model-option {
        height: 86px;
        min-height: 86px;
        padding: 6px 8px 8px;
      }

      .option-preview {
        transform: translate3d(0, -8px, 0) scale(0.68);
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
      }
    }