:root {
      --bg: #f6faf6;
      --panel: #ffffff;
      --text: #1e2a22;
      --muted: #6a786f;
      --line: #dbe8dd;
      --soft: #edf6ef;
      --accent: #6c8d71;
      --accent-strong: #4d6a53;
      --shadow: 0 16px 40px rgba(47, 73, 55, 0.08);
      --radius: 22px;
      --shell-pad-x: 16px;
      --shell-pad-top: 24px;
      --shell-pad-bottom: 56px;
    }

    * { box-sizing: border-box; }
    html, body {
      margin: 0;
      padding: 0;
      overflow-x: hidden;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background:
        radial-gradient(circle at top left, #f8fff8 0, #f6faf6 36%, #f2f7f3 100%);
      color: var(--text);
      min-height: 100vh;
    }

    .shell {
      max-width: 980px;
      margin: 0 auto;
      padding: var(--shell-pad-top) var(--shell-pad-x) var(--shell-pad-bottom);
    }

    .card {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .hero {
      padding: 28px;
      margin-top: 20px;
      overflow: hidden;
      position: relative;
    }

    .hero::after {
      content: "";
      position: absolute;
      right: -60px;
      top: -60px;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: linear-gradient(180deg, rgba(127, 165, 134, 0.18), rgba(127, 165, 134, 0.02));
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: var(--accent-strong);
      border: 1px solid var(--line);
      background: var(--soft);
      border-radius: 999px;
      padding: 8px 12px;
      margin-bottom: 16px;
    }

    h1, h2, h3, p { margin: 0; }
    .hero h1 {
      font-size: clamp(28px, 5vw, 52px);
      line-height: 1.08;
      letter-spacing: -0.03em;
      max-width: 680px;
    }
    .hero .sub {
      margin-top: 14px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
      max-width: 720px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.3fr 0.9fr;
      gap: 18px;
      align-items: stretch;
      margin-top: 24px;
    }

    .mini-panel {
      padding: 18px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, #fbfefb, #f3f8f4);
    }

    .mini-panel h3 {
      font-size: 15px;
      margin-bottom: 10px;
    }

    .mini-panel ul {
      margin: 0;
      padding-left: 18px;
      color: var(--muted);
      line-height: 1.8;
      font-size: 14px;
    }

        .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 22px;
    }
    .hero-minimal {
      min-height: 48vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      padding: 42px 20px;
    }
    .hero-minimal::after { display: none; }
    .hero-minimal h1 {
      max-width: none;
      margin: 0;
    }
    .hero-actions-single {
      justify-content: center;
      margin-top: 28px;
    }

    #intro.active ~ * {
      display: none;
    }

    body:has(#intro.active) {
      overflow: hidden;
      height: 100svh;
    }

    #intro {
      width: 100vw;
      margin-left: calc(50% - 50vw);
      margin-right: calc(50% - 50vw);
      margin-top: calc(-1 * var(--shell-pad-top));
      margin-bottom: calc(-1 * var(--shell-pad-bottom));
      height: calc(100svh + var(--shell-pad-top) + var(--shell-pad-bottom));
      position: relative;
      overflow: hidden;
      background:
        radial-gradient(900px 520px at 100% 0%, rgba(134, 187, 149, 0.28), transparent 64%),
        radial-gradient(900px 560px at 0% 100%, rgba(72, 106, 84, 0.34), transparent 60%),
        linear-gradient(135deg, #07110b 0%, #14231a 48%, #20362a 100%);
      color: #edf6ef;
      isolation: isolate;
    }

    #intro::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(115deg, rgba(255, 255, 255, 0.08), transparent 34%),
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
      background-size: auto, 88px 88px, 88px 88px;
      background-position: center, center, center;
      opacity: 0.34;
      pointer-events: none;
    }

    #intro::after {
      content: "";
      position: absolute;
      inset: auto auto -180px -120px;
      width: 520px;
      height: 520px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(214, 238, 219, 0.16) 0%, rgba(214, 238, 219, 0) 72%);
      filter: blur(10px);
      pointer-events: none;
    }

    .intro-hero {
      height: 100svh;
      display: flex;
      align-items: flex-start;
      padding: clamp(20px, 3vw, 40px) 0 0;
      position: relative;
      z-index: 1;
      overflow: hidden;
    }

    /* 图片下方浅色衬底，向上渐隐融入 #intro 背景 */
    .intro-hero::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: min(58vh, 520px);
      background: linear-gradient(
        to top,
        rgba(245, 252, 248, 0.62) 0%,
        rgba(236, 246, 240, 0.46) 18%,
        rgba(220, 238, 228, 0.28) 45%,
        rgba(198, 222, 208, 0.12) 72%,
        transparent 100%
      );
      pointer-events: none;
      z-index: -1;
    }

    .intro-watermark {
      position: absolute;
      left: 68%;
      top: 49%;
      transform: translate(-50%, -50%) rotate(-14deg);
      margin: 0;
      font-size: clamp(180px, 24vw, 360px);
      font-weight: 900;
      letter-spacing: 0.18em;
      line-height: 0.8;
      text-transform: uppercase;
      white-space: nowrap;
      color: rgba(228, 240, 231, 0.055);
      -webkit-text-stroke: 1px rgba(228, 240, 231, 0.08);
      pointer-events: none;
      user-select: none;
      z-index: 0;
      animation: introWatermarkDrift 14s ease-in-out infinite;
    }

    .intro-inner {
      width: min(1320px, calc(100% - 48px));
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    .intro-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
      gap: clamp(36px, 5vw, 88px);
      align-items: center;
    }

    .intro-copy-block {
      max-width: 720px;
    }

    .intro-meta {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
      animation: introRise 0.58s ease-out both;
    }

    .intro-brand {
      margin: 0;
      font-size: 12px;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: rgba(234, 244, 236, 0.82);
    }

    .intro-official {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-height: 38px;
      padding: 0 16px;
      border-radius: 999px;
      border: 1px solid rgba(226, 238, 229, 0.22);
      background: rgba(236, 246, 238, 0.08);
      color: rgba(240, 246, 241, 0.92);
      backdrop-filter: blur(10px);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.08em;
      white-space: nowrap;
    }

    .intro-official-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #dff4e3;
      box-shadow: 0 0 0 5px rgba(224, 245, 228, 0.12);
      flex: none;
    }

    .intro-kicker {
      margin: 26px 0 0;
      max-width: none;
      font-size: clamp(14px, 1.3vw, 18px);
      line-height: 1.65;
      color: rgba(224, 234, 226, 0.78);
      white-space: nowrap;
      animation: introRise 0.66s ease-out 0.06s both;
    }

    .intro-title {
      margin: 24px 0 0;
      max-width: 12ch;
      font-size: clamp(48px, 5.2vw, 68px);
      line-height: 1;
      letter-spacing: -0.055em;
      color: #f7fcf8;
      animation: introRise 0.72s ease-out 0.12s both;
    }

    .intro-title-line {
      display: block;
      white-space: nowrap;
      line-height: 1.02;
    }

    .intro-title-line-legacy {
      color: rgba(232, 239, 234, 0.8);
      font-size: 0.92em;
      letter-spacing: -0.045em;
    }

    .intro-title-line-fall {
      margin-top: 0.06em;
      padding-left: 0.22em;
      color: rgba(206, 220, 210, 0.56);
      font-size: 0.84em;
      letter-spacing: 0.02em;
      text-transform: uppercase;
    }

    .intro-title-line-launch {
      margin-top: 0.16em;
      font-size: 1.04em;
      letter-spacing: -0.06em;
      color: #f7fcf8;
    }

    .intro-title .intro-title-key {
      display: inline-block;
      margin-left: 0.08em;
      padding: 0.02em 0.16em 0.08em;
      border-radius: 0.18em;
      background: linear-gradient(135deg, rgba(239, 249, 241, 0.94), rgba(198, 224, 205, 0.92));
      color: #112017;
      box-shadow: 0 16px 34px rgba(6, 12, 8, 0.24);
      text-decoration: none;
    }

    .intro-hero-footer {
      position: absolute;
      bottom: 0;
      left: 50%;
      right: auto;
      transform: translateX(-50%);
      z-index: 0;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      width: 90%;
      max-width: 90%;
      padding: 0 0 clamp(8px, 1.5vw, 16px);
      box-sizing: border-box;
      pointer-events: none;
    }

    .intro-bottom-images {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(2px, 0.8vw, 8px);
      width: 100%;
      max-width: 100%;
      align-items: end;
      opacity: 0.85;
    }

    .intro-bottom-images img {
      width: 100%;
      height: auto;
      max-height: min(54vh, clamp(240px, 44vw, 520px));
      object-fit: contain;
      object-position: bottom center;
      display: block;
    }

    /* PC：footer 作为叠字定位容器（文案规则见 #intro .intro-upgrade-note 媒体查询，避免被后面的全局 .intro-upgrade-note 覆盖） */
    @media (min-width: 861px) {
      .intro-hero-footer {
        z-index: 1;
      }
      .intro-bottom-images {
        position: relative;
        z-index: 0;
      }
    }

    .intro-sub {
      margin: 24px 0 0;
      max-width: 36ch;
      animation: introRise 0.76s ease-out 0.18s both;
    }

    .intro-stats {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: nowrap;
    }

    .intro-stat {
      display: inline-flex;
      align-items: baseline;
      gap: 4px;
      padding: 6px 14px;
      border-radius: 999px;
      border: 1px solid rgba(224, 240, 228, 0.16);
      background: rgba(224, 240, 228, 0.07);
      backdrop-filter: blur(8px);
      font-size: clamp(13px, 1.3vw, 15px);
      color: rgba(228, 237, 230, 0.78);
      letter-spacing: 0.02em;
      white-space: nowrap;
      transition: border-color 0.3s, background 0.3s;
    }

    .intro-stat:hover {
      border-color: rgba(224, 240, 228, 0.32);
      background: rgba(224, 240, 228, 0.12);
    }

    .intro-stat strong {
      font-size: 1.4em;
      font-weight: 800;
      letter-spacing: -0.03em;
      color: #eaf6ed;
    }

    .intro-stat-dot {
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: rgba(224, 240, 228, 0.3);
      flex: none;
    }

    .intro-sub-text {
      margin: 14px 0 0;
      font-size: clamp(14px, 1.4vw, 17px);
      line-height: 1.7;
      color: rgba(228, 237, 230, 0.6);
      letter-spacing: 0.01em;
      white-space: nowrap;
    }

    .intro-actions {
      margin-top: 34px;
      animation: introRise 0.78s ease-out 0.24s both;
    }

    #intro .intro-actions {
      align-items: center;
      gap: 14px;
    }

    .intro-cta,
    #intro .intro-share,
    #intro .intro-copy {
      min-height: 56px;
      padding: 0 24px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 800;
      letter-spacing: 0.01em;
    }

    .btn-icon {
      flex: none;
      margin-right: 6px;
    }

    .intro-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(237, 246, 239, 0.82);
      background: linear-gradient(135deg, #eef9f0 0%, #d8ecdc 52%, #c0dbc8 100%);
      color: #122018;
      box-shadow: 0 18px 42px rgba(4, 10, 6, 0.28);
    }

    .intro-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 24px 50px rgba(4, 10, 6, 0.34);
      background: linear-gradient(135deg, #f5fcf6 0%, #deefe1 52%, #c7e0ce 100%);
    }

    #intro .intro-share {
      border: 1px solid rgba(236, 244, 238, 0.28);
      background: rgba(240, 247, 241, 0.08);
      color: #edf5ef;
      backdrop-filter: blur(10px);
      box-shadow: none;
    }

    #intro .intro-share:hover {
      background: rgba(240, 247, 241, 0.16);
      border-color: rgba(236, 244, 238, 0.44);
      transform: translateY(-2px);
    }

    #intro .intro-copy {
      border: 1px solid rgba(228, 236, 231, 0.22);
      background: rgba(10, 17, 13, 0.1);
      color: rgba(232, 239, 234, 0.86);
      backdrop-filter: blur(10px);
      box-shadow: none;
    }

    #intro .intro-copy:hover {
      background: rgba(240, 247, 241, 0.12);
      border-color: rgba(231, 238, 233, 0.38);
      transform: translateY(-2px);
    }

    .intro-visual {
      display: grid;
      gap: 28px;
      justify-items: center;
      animation: introRise 0.84s ease-out 0.16s both;
    }

    .intro-orbit {
      position: relative;
      width: min(100%, 520px);
      aspect-ratio: 1;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: radial-gradient(circle at center, rgba(223, 239, 227, 0.14) 0%, rgba(223, 239, 227, 0.04) 38%, rgba(0, 0, 0, 0) 72%);
      animation: introFloat 9s ease-in-out infinite;
    }

    .intro-orbit::before {
      content: "";
      position: absolute;
      inset: 12%;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(232, 244, 236, 0.08) 0%, rgba(232, 244, 236, 0) 68%);
      filter: blur(6px);
    }

    .intro-orbit-ring {
      position: absolute;
      border-radius: 50%;
      border: 1px solid rgba(225, 236, 228, 0.18);
    }

    .intro-orbit-ring-1 { inset: 6%; }
    .intro-orbit-ring-2 { inset: 18%; }
    .intro-orbit-ring-3 { inset: 31%; }

    .intro-orbit-center {
      position: relative;
      z-index: 1;
      width: 42%;
      aspect-ratio: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 10px;
      border-radius: 50%;
      border: 1px solid rgba(231, 241, 234, 0.2);
      background: radial-gradient(circle at 30% 30%, rgba(238, 247, 240, 0.18) 0%, rgba(25, 38, 30, 0.9) 74%);
      box-shadow: 0 24px 64px rgba(2, 6, 4, 0.24);
      backdrop-filter: blur(10px);
    }

    .intro-orbit-caption {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: rgba(221, 234, 225, 0.72);
    }

    .intro-orbit-core {
      font-size: clamp(40px, 4.4vw, 60px);
      font-weight: 900;
      letter-spacing: 0.08em;
      color: #f7fcf8;
    }

    .intro-orbit-node {
      position: absolute;
      z-index: 1;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 92px;
      min-height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid rgba(229, 239, 232, 0.2);
      backdrop-filter: blur(10px);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      white-space: nowrap;
    }

    .intro-orbit-node-old {
      top: 14%;
      left: 8%;
      background: rgba(229, 239, 232, 0.08);
      color: rgba(221, 229, 224, 0.7);
    }

    .intro-orbit-node-mid {
      right: 2%;
      bottom: 20%;
      background: rgba(228, 237, 231, 0.12);
      color: rgba(229, 237, 232, 0.82);
    }

    .intro-orbit-node-new {
      top: 10%;
      right: 10%;
      border-color: rgba(233, 246, 236, 0.68);
      background: linear-gradient(135deg, #eef9f0 0%, #cfe7d4 100%);
      color: #173124;
      box-shadow: 0 16px 36px rgba(10, 18, 13, 0.24);
      animation: introPulse 4.8s ease-in-out infinite;
    }

    .intro-detail-list {
      width: min(100%, 460px);
      border-top: 1px solid rgba(226, 236, 229, 0.18);
    }

    .intro-detail-item {
      display: grid;
      grid-template-columns: 40px minmax(0, 1fr);
      gap: 16px;
      align-items: start;
      padding: 16px 0;
      border-bottom: 1px solid rgba(226, 236, 229, 0.14);
    }

    .intro-detail-item span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      border: 1px solid rgba(224, 240, 228, 0.2);
      background: linear-gradient(135deg, rgba(230, 245, 234, 0.14), rgba(200, 224, 208, 0.06));
      color: #e8f4eb;
      font-size: 14px;
      font-weight: 800;
      letter-spacing: 0.05em;
      box-shadow: 0 4px 16px rgba(6, 12, 8, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.06);
      backdrop-filter: blur(6px);
      transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    }

    .intro-detail-item:hover span {
      transform: scale(1.1);
      border-color: rgba(224, 240, 228, 0.4);
      box-shadow: 0 6px 20px rgba(6, 12, 8, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    }

    .intro-detail-item p {
      margin: 0;
      color: rgba(224, 233, 226, 0.82);
      font-size: 15px;
      line-height: 1.7;
    }

    @keyframes introRise {
      from {
        opacity: 0;
        transform: translateY(18px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes introFloat {
      0%,
      100% { transform: translateY(0) scale(1); }
      50% { transform: translateY(16px) scale(1.02); }
    }

    @keyframes introWatermarkDrift {
      0%,
      100% { transform: translate(-50%, -50%) rotate(-14deg) scale(1); }
      50% { transform: translate(-48%, -52%) rotate(-12deg) scale(1.04); }
    }

    @keyframes introPulse {
      0%,
      100% { transform: scale(1); box-shadow: 0 16px 36px rgba(10, 18, 13, 0.24); }
      50% { transform: scale(1.05); box-shadow: 0 22px 44px rgba(10, 18, 13, 0.3); }
    }

    @keyframes testSurfaceIn {
      from {
        opacity: 0;
        transform: translateY(14px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    button {
      border: 0;
      cursor: pointer;
      transition: transform .16s ease, box-shadow .16s ease, opacity .16s ease;
      font: inherit;
    }

    button:hover { transform: translateY(-1px); }
    button:disabled { cursor: not-allowed; opacity: 0.55; transform: none; }

    .btn-primary {
      background: var(--accent-strong);
      color: #fff;
      padding: 14px 20px;
      border-radius: 14px;
      box-shadow: 0 12px 30px rgba(77, 106, 83, 0.18);
      font-weight: 700;
    }

    .btn-secondary {
      background: #fff;
      color: var(--accent-strong);
      padding: 14px 20px;
      border-radius: 14px;
      border: 1px solid var(--line);
      font-weight: 700;
    }

    .screen { display: none; }
    .screen.active { display: block; }

    .result-wrap {
      margin-top: 22px;
      padding: 22px;
      padding-bottom: clamp(128px, 18vw, 168px);
    }

    #test {
      width: 100vw;
      margin-left: calc(50% - 50vw);
      margin-right: calc(50% - 50vw);
      min-height: 100svh;
      padding: clamp(18px, 3.4vw, 34px) 0 clamp(26px, 4vw, 56px);
      background:
        radial-gradient(900px 460px at 100% -14%, rgba(137, 173, 145, 0.2), transparent 68%),
        radial-gradient(720px 340px at 0% 100%, rgba(162, 192, 168, 0.18), transparent 66%),
        linear-gradient(180deg, #f3f8f4 0%, #eef5f0 100%);
    }

    #test .test-wrap {
      width: min(980px, calc(100% - 28px));
      margin: 0 auto;
      padding: clamp(18px, 2.8vw, 28px);
      border: 1px solid #d8e6da;
      border-radius: 28px;
      box-shadow: 0 22px 56px rgba(36, 60, 45, 0.12);
      background: linear-gradient(180deg, #fdfffd, #f7fbf8);
      animation: testSurfaceIn .44s ease both;
    }

    #test .test-header {
      margin-bottom: 18px;
      text-align: center;
      padding: 8px 0 14px;
    }

    #test .test-kicker {
      margin: 0;
      font-size: 11px;
      letter-spacing: .22em;
      text-transform: uppercase;
      color: rgba(90, 115, 97, 0.6);
      font-weight: 700;
    }

    #test .test-title {
      margin: 10px 0 0;
      font-size: clamp(22px, 2.8vw, 32px);
      line-height: 1.12;
      letter-spacing: -0.02em;
      color: #1a2d20;
      text-wrap: balance;
    }

    #test .test-sub {
      margin: 8px 0 0;
      color: #6a8070;
      font-size: 13px;
      line-height: 1.7;
    }

    #test .topbar {
      position: sticky;
      top: 0;
      z-index: 8;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 18px;
      padding: 10px 16px;
      background: rgba(249, 253, 250, 0.94);
      backdrop-filter: blur(12px);
    }

    #test .progress {
      flex: 1;
      min-width: 240px;
      height: 8px;
      background: #e2eddf;
      border-radius: 999px;
      overflow: hidden;
      position: relative;
    }

    #test .progress > span {
      display: block;
      width: 0;
      height: 100%;
      background: linear-gradient(90deg, #a3c5ab, #3d5e46);
      border-radius: inherit;
      transition: width .36s cubic-bezier(0.4, 0, 0.2, 1);
    }

    #test .progress-text {
      color: #3d5e46;
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
      letter-spacing: 0.04em;
    }

    #test .question-list {
      display: grid;
      gap: 14px;
      padding-bottom: 100px;
    }

    #test .question {
      border: 1px solid #dde8df;
      border-radius: 20px;
      padding: 20px;
      background: #fff;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    #test .question:hover {
      border-color: #c4d8c8;
      box-shadow: 0 8px 24px rgba(56, 82, 63, 0.06);
    }

    #test .question-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
      color: rgba(100, 120, 106, 0.7);
      font-size: 11px;
      letter-spacing: 0.02em;
    }

    #test .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 5px 12px;
      background: linear-gradient(135deg, #f0f7f1, #e4efe6);
      border: 1px solid #d4e3d6;
      font-weight: 800;
      font-size: 11px;
      color: #3d5e46;
    }

    #test .question-title {
      font-size: 15px;
      line-height: 1.78;
      color: #1a2d20;
      white-space: pre-wrap;
    }

    #test .options {
      display: grid;
      gap: 8px;
      margin-top: 14px;
    }

    #test .option {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 14px 16px;
      border-radius: 12px;
      border: 1px solid transparent;
      background: #f6faf7;
      cursor: pointer;
      transition: all .2s ease;
    }

    #test .option:hover {
      background: #edf5ef;
    }

    #test .option:has(input:focus-visible) {
      outline: 2px solid rgba(103, 143, 113, 0.45);
      outline-offset: 1px;
    }

    #test .option:has(input:checked) {
      border-color: #5a8c66;
      background: #e6f2e9;
    }

    #test .option input {
      position: absolute;
      opacity: 0;
      width: 0;
      height: 0;
    }

    #test .option-code {
      width: 30px;
      min-width: 30px;
      height: 30px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: rgba(61, 94, 70, 0.08);
      font-weight: 800;
      font-size: 12px;
      color: #5a7d63;
      line-height: 1;
      transition: all .2s ease;
      flex-shrink: 0;
    }

    #test .option:hover .option-code {
      background: rgba(61, 94, 70, 0.14);
    }

    #test .option:has(input:checked) .option-code {
      background: #3d5e46;
      color: #fff;
    }

    #test .option > div:last-child {
      font-size: 14px;
      line-height: 1.6;
      color: #2a3e30;
    }

    #test .option:has(input:checked) > div:last-child {
      color: #1a2d20;
      font-weight: 600;
    }

    #test .actions-bottom {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 40;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      padding: 14px 20px calc(14px + env(safe-area-inset-bottom));
      background: rgba(249, 253, 250, 0.96);
      backdrop-filter: blur(14px);
      box-shadow: 0 -4px 20px rgba(36, 60, 45, 0.05);
    }

    #test .hint {
      color: rgba(82, 103, 91, 0.6);
      font-size: 11px;
      line-height: 1.6;
      width: 100%;
      text-align: center;
      font-style: italic;
    }

    #test .actions-bottom button {
      transition: opacity .16s ease, box-shadow .16s ease;
    }
    #test .actions-bottom button:hover {
      transform: none;
    }

    #test .test-action-buttons {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .result-hero {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 18px;
      align-items: stretch;
    }

    .type-box,
    .score-box,
    .dim-box,
    .top3-box,
    .about-box {
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 18px;
      background: linear-gradient(180deg, #ffffff, #fbfdfb);
    }

    .type-kicker {
      font-size: 12px;
      color: var(--accent-strong);
      margin-bottom: 8px;
      letter-spacing: .05em;
    }

    .type-name {
      font-size: clamp(30px, 5vw, 48px);
      line-height: 1.08;
      letter-spacing: -0.03em;
      overflow-wrap: anywhere;
      word-break: break-word;
    }

    .type-subname {
      margin-top: 8px;
      color: var(--muted);
      font-size: 15px;
    }

    .match {
      margin-top: 18px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      padding: 10px 14px;
      background: var(--soft);
      border: 1px solid var(--line);
      color: var(--accent-strong);
      font-weight: 700;
    }

    .type-desc {
      margin-top: 18px;
      line-height: 1.85;
      font-size: 15px;
      color: #304034;
    }

    .score-box h3,
    .dim-box h3,
    .top3-box h3,
    .about-box h3 {
      font-size: 16px;
      margin-bottom: 12px;
    }

    .score-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }

    .score-item {
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 12px;
      background: #fff;
    }

    .score-item .k {
      font-size: 12px;
      color: var(--muted);
      margin-bottom: 6px;
    }

    .score-item .v {
      font-size: 20px;
      font-weight: 800;
      color: var(--accent-strong);
    }

    .dim-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
    }

    .dim-pill {
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 12px;
      background: #fff;
    }

    .dim-pill .label {
      color: var(--muted);
      font-size: 12px;
      margin-bottom: 6px;
    }

    .dim-pill .value {
      font-size: 20px;
      font-weight: 800;
      color: var(--accent-strong);
    }

    .top3-list {
      display: grid;
      gap: 10px;
    }

    .top3-item {
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 12px;
      background: #fff;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
    }

    .top3-item strong {
      display: block;
      margin-bottom: 4px;
    }

    .top3-item span {
      color: var(--muted);
      font-size: 13px;
    }

    .top3-score {
      color: var(--accent-strong);
      font-weight: 800;
      white-space: nowrap;
    }

    .about-box p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-note {
      margin-top: 16px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.7;
    }

    
    .result-layout {
      display: grid;
      gap: 18px;
    }
    .result-top {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: clamp(12px, 2vw, 22px);
      align-items: start;
    }
    .poster-box, .type-box, .analysis-box, .dim-box, .note-box {
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 18px;
      background: linear-gradient(180deg, #ffffff, #fbfdfb);
    }
    .poster-box {
      display: grid;
      grid-template-rows: auto auto;
      gap: 14px;
      min-height: 0;
      align-content: start;
      overflow: hidden;
      position: relative;
      background:
        radial-gradient(circle at top right, rgba(127,165,134,0.16), rgba(127,165,134,0) 40%),
        linear-gradient(180deg, #ffffff, #f7fbf8);
    }
    .poster-box::after {
      content: "";
      position: absolute;
      right: -46px;
      bottom: -46px;
      width: 140px;
      height: 140px;
      border-radius: 50%;
      background: linear-gradient(180deg, rgba(127,165,134,0.12), rgba(127,165,134,0.01));
      pointer-events: none;
    }
    .poster-media {
      width: min(100%, 326px);
      margin: 0 auto;
      padding: 14px;
      border-radius: 26px;
      border: 1px solid rgba(194, 214, 201, 0.92);
      background: linear-gradient(180deg, rgba(255,255,255,0.99), rgba(247,250,248,0.96));
      box-shadow:
        0 22px 34px rgba(33, 53, 44, 0.10),
        0 8px 14px rgba(33, 53, 44, 0.08),
        0 1px 0 rgba(255,255,255,0.95) inset,
        0 -1px 0 rgba(173, 194, 181, 0.34) inset;
      position: relative;
      z-index: 1;
    }
    .poster-image {
      width: 100%;
      height: auto;
      min-height: 0;
      max-height: 320px;
      object-fit: contain;
      object-position: center center;
      border-radius: 16px;
      border: 1px solid rgba(216, 228, 222, 0.95);
      background: rgba(255,255,255,0.96);
      box-shadow:
        0 10px 22px rgba(35, 55, 47, 0.08),
        0 1px 0 rgba(255,255,255,0.92) inset;
      display: block;
      opacity: 0.9;
    }
    .poster-box.no-image .poster-media {
      display: none;
    }
    .poster-caption {
      margin-top: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      text-align: center;
      width: min(100%, 24ch);
      justify-self: center;
      position: relative;
      z-index: 1;
    }
    .type-kicker {
      font-size: 12px;
      color: var(--accent-strong);
      margin-bottom: 8px;
      letter-spacing: .06em;
    }
    .type-name {
      font-size: clamp(30px, 5vw, 48px);
      line-height: 1.08;
      letter-spacing: -0.03em;
      overflow-wrap: anywhere;
      word-break: break-word;
    }
    .type-box {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .type-subname {
      margin-top: 10px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }
    .match {
      margin-top: 18px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      padding: 10px 14px;
      background: var(--soft);
      border: 1px solid var(--line);
      color: var(--accent-strong);
      font-weight: 700;
      font-size: 14px;
      line-height: 1.4;
    }
    .analysis-box h3, .dim-box h3, .note-box h3 {
      font-size: 16px;
      margin-bottom: 12px;
    }
    #result .result-actions {
      margin-top: 0;
      padding-top: 0;
      border-top: 0;
      display: flex;
      justify-content: center;
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      width: min(980px, calc(100% - 24px));
      bottom: calc(12px + env(safe-area-inset-bottom));
      z-index: 42;
      pointer-events: none;
    }
    .analysis-box p {
      margin: 0;
      color: #304034;
      font-size: 15px;
      line-height: 1.9;
      white-space: pre-wrap;
    }
    .dim-list {
      display: grid;
      gap: 12px;
    }
    .dim-item {
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 14px;
      background: #fff;
    }
    .dim-item-top {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      gap: 10px;
      margin-bottom: 8px;
      flex-wrap: wrap;
    }
    .dim-item-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text);
    }
    .dim-item-score {
      color: var(--accent-strong);
      font-weight: 800;
      font-size: 14px;
      white-space: nowrap;
    }
    .dim-item p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
    }
    .note-box p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
    }
    .intro-characters {
      display: none;
    }

    .intro-upgrade-note {
      margin: 0 0 10px;
      font-size: 11px;
      color: rgba(224, 234, 226, 0.28);
      letter-spacing: 0.02em;
      white-space: nowrap;
      text-align: center;
    }

    @media (min-width: 861px) {
      #intro .intro-upgrade-note {
        position: absolute;
        left: 50%;
        bottom: clamp(8px, 1.2vw, 18px);
        transform: translateX(-50%);
        margin: 0;
        z-index: 2;
        width: 100%;
        max-width: 100%;
        padding: 6px 12px;
        box-sizing: border-box;
        color: rgba(228, 238, 232, 0.9);
        text-shadow:
          0 1px 2px rgba(8, 14, 11, 0.85),
          0 0 20px rgba(18, 32, 24, 0.55);
        font-size: clamp(11px, 0.95vw, 13px);
        white-space: normal;
        line-height: 1.35;
        text-align: center;
        letter-spacing: 0.02em;
      }
    }

    #result .result-action-buttons {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      align-items: center;
      justify-content: flex-end;
      padding: 6px;
      border-radius: 18px;
      border: 1px solid #d6e3d8;
      background: linear-gradient(180deg, #ffffff, #f3f8f4);
      box-shadow: 0 10px 28px rgba(35, 56, 42, 0.08);
      pointer-events: auto;
      backdrop-filter: blur(8px);
    }

    #result .result-action-buttons button {
      min-height: 50px;
      padding: 13px 22px;
      border-radius: 999px;
      font-weight: 800;
      letter-spacing: 0.01em;
      transition: transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease, color .16s ease;
    }

    #result #restartBtn {
      border: 1px solid #cbdacc;
      background: #fff;
      color: #46624d;
      box-shadow: none;
    }

    #result #restartBtn:hover {
      background: #f3f9f4;
      border-color: #afc5b3;
      transform: translateY(-1px);
    }

    #result #toTopBtn {
      border: 1px solid #4f6d56;
      background: linear-gradient(180deg, #5f8067, #44614b);
      color: #fff;
      box-shadow: 0 10px 24px rgba(38, 59, 45, 0.24);
    }

    #result #toTopBtn:hover {
      background: linear-gradient(180deg, #6b8e74, #4a6851);
      box-shadow: 0 14px 28px rgba(33, 52, 40, 0.28);
      transform: translateY(-1px);
    }

    .poster-modal {
      position: fixed;
      inset: 0;
      z-index: 60;
      display: none;
      align-items: center;
      justify-content: center;
      background: rgba(11, 18, 13, 0.72);
      padding: 20px;
      backdrop-filter: blur(6px);
    }

    .poster-modal.active {
      display: flex;
    }

    .poster-modal-card {
      width: min(460px, 100%);
      max-height: calc(100svh - 40px);
      overflow: auto;
      border-radius: 22px;
      border: 1px solid #d5e2d7;
      background: #f8fcf9;
      box-shadow: 0 24px 60px rgba(15, 26, 18, 0.35);
      padding: 14px 14px 16px;
    }

    .poster-modal-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 10px;
    }

    .poster-modal-head h3 {
      margin: 0;
      font-size: 17px;
      color: #243629;
    }

    .poster-modal-head p {
      margin: 6px 0 0;
      color: #5b7062;
      font-size: 13px;
      line-height: 1.65;
    }

    .poster-modal-close {
      border: 1px solid #d7e4d9;
      background: #fff;
      color: #48614f;
      border-radius: 999px;
      width: 34px;
      min-width: 34px;
      height: 34px;
      font-size: 18px;
      line-height: 1;
      padding: 0;
      box-shadow: none;
    }

    .poster-preview {
      width: 100%;
      aspect-ratio: 6 / 9;
      object-fit: contain;
      border-radius: 16px;
      border: 1px solid #d5e2d7;
      background: #fff;
      display: block;
    }

    .poster-modal-tip {
      margin-top: 10px;
      color: #5a6f61;
      font-size: 13px;
      line-height: 1.7;
    }

    .poster-modal-actions {
      margin-top: 12px;
      display: flex;
      justify-content: flex-end;
      gap: 10px;
      flex-wrap: wrap;
    }

    .share-download {
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    #intro .intro-share[aria-busy="true"] {
      opacity: 0.7;
      pointer-events: none;
    }
    @media (max-width: 860px) {
      .result-top {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
      }
      .poster-box,
      .type-box {
        padding: 14px;
      }
      .poster-media {
        width: min(100%, 286px);
        padding: 12px;
      }
      .poster-image {
        max-height: 260px;
      }
      .type-name {
        font-size: clamp(24px, 4.8vw, 34px);
      }
      .intro-inner { width: calc(100% - 36px); }
      .intro-layout {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .intro-copy-block,
      .intro-sub,
      .intro-detail-list {
        max-width: none;
      }
      .intro-title {
        font-size: clamp(42px, 8vw, 58px);
      }
      .intro-title-line-fall {
        padding-left: 0.18em;
      }
      .intro-sub {
        max-width: none;
      }
      .intro-visual {
        gap: 22px;
        justify-items: stretch;
      }
      .intro-orbit {
        width: min(100%, 460px);
        margin: 0 auto;
      }
      .intro-watermark {
        left: 52%;
        top: 18%;
        font-size: clamp(120px, 32vw, 240px);
        letter-spacing: 0.16em;
      }
      #test .test-wrap { width: min(980px, calc(100% - 20px)); }
      #test .actions-bottom { align-items: flex-start; }
    }

@media (max-width: 860px) {
      .hero-grid,
      .result-hero {
        grid-template-columns: 1fr;
      }
      .dim-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 600px) {
      :root {
        --shell-pad-x: 12px;
        --shell-pad-top: 14px;
        --shell-pad-bottom: 42px;
      }
      .shell { padding: var(--shell-pad-top) var(--shell-pad-x) var(--shell-pad-bottom); }
      .hero, .result-wrap { padding: 16px; }
      .result-top {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
      }
      .poster-box,
      .type-box {
        padding: 10px;
      }
      .poster-media {
        width: min(100%, 230px);
        padding: 10px;
      }
      .poster-image {
        max-height: 210px;
      }
      .poster-caption {
        margin-top: 8px;
        font-size: 12px;
        line-height: 1.6;
      }
      .type-kicker {
        margin-bottom: 4px;
        font-size: 11px;
      }
      .type-name {
        font-size: clamp(20px, 6.3vw, 28px);
      }
      .match {
        margin-top: 10px;
        padding: 7px 10px;
        font-size: 12px;
      }
      .type-subname {
        margin-top: 8px;
        font-size: 12px;
        line-height: 1.6;
      }
      .hero h1 { font-size: 32px; }
      .question-title { font-size: 15px; }
      #test .test-wrap {
        width: calc(100% - 16px);
        padding: 14px;
        border-radius: 20px;
      }
      #test .test-title { font-size: clamp(23px, 8vw, 32px); }
      #test .test-sub { font-size: 13px; }
      #test .topbar {
        top: 8px;
        padding: 10px;
      }
      #test .progress {
        min-width: 100%;
      }
      #test .progress-text {
        font-size: 12px;
        padding: 5px 9px;
      }
      #test .question {
        padding: 14px;
      }
      #test .option {
        padding: 11px 10px;
      }
      #test .actions-bottom {
        bottom: 6px;
        padding: 10px;
      }
      #test .test-action-buttons {
        width: 100%;
      }
      #test .test-action-buttons button {
        flex: 1;
      }
      .poster-modal {
        padding: 10px;
      }
      .poster-modal-card {
        width: 100%;
        max-height: calc(100svh - 20px);
        border-radius: 18px;
      }
      #result .result-actions {
        justify-content: stretch;
        width: calc(100% - 16px);
        bottom: calc(8px + env(safe-area-inset-bottom));
      }
      #result .result-action-buttons {
        width: 100%;
        padding: 4px;
        border-radius: 14px;
      }
      #result .result-action-buttons button {
        flex: 1;
        min-width: 0;
      }
      .poster-modal-actions > * {
        flex: 1;
      }
      .intro-inner { width: calc(100% - 24px); }
      .intro-hero {
        align-items: flex-start;
        padding: calc(120px + env(safe-area-inset-top)) 0 19px;
      }
      .intro-layout {
        gap: 28px;
      }
      .intro-copy-block {
        padding-top: 18px;
      }
      .intro-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding-right: 96px;
      }
      .intro-watermark {
        left: 50%;
        top: 15%;
        font-size: clamp(84px, 29vw, 128px);
        letter-spacing: 0.14em;
      }
      .intro-brand {
        font-size: 11px;
        letter-spacing: 0.18em;
      }
      .intro-official {
        min-height: 34px;
        padding: 0 12px;
        max-width: 100%;
        font-size: 11px;
        letter-spacing: 0.04em;
      }
      .intro-kicker {
        margin-top: 18px;
        max-width: none;
        font-size: 14px;
      }
      .intro-title {
        max-width: none;
        font-size: clamp(30px, 9.3vw, 44px);
        line-height: 1.14;
        letter-spacing: -0.028em;
      }
      .intro-title-line {
        white-space: nowrap;
        line-height: 1.06;
      }
      .intro-title-line-legacy {
        font-size: 0.9em;
      }
      .intro-title-line-fall {
        margin-top: 0.14em;
        padding-left: 0;
        font-size: 0.8em;
        letter-spacing: 0.05em;
        color: rgba(205, 219, 210, 0.5);
      }
      .intro-title-line-launch {
        margin-top: 0.18em;
        display: flex;
        align-items: flex-end;
        gap: 0.14em;
        font-size: 0.96em;
        letter-spacing: -0.018em;
      }
      .intro-title .intro-title-key {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: none;
        margin-left: 0;
        margin-top: 0;
        padding: 0.09em 0.16em 0.12em;
        border: 1px solid rgba(226, 237, 229, 0.44);
        border-radius: 0.16em;
        background: rgba(229, 239, 232, 0.92);
        box-shadow: 0 6px 18px rgba(7, 12, 8, 0.14);
        line-height: 0.9;
        font-size: 0.82em;
        letter-spacing: -0.05em;
        transform: translateY(-0.02em);
      }
      .intro-sub {
        margin-top: 18px;
        max-width: none;
      }
      .intro-stats {
        gap: 8px;
      }
      .intro-stat {
        padding: 5px 12px;
        font-size: 13px;
      }
      .intro-sub-text {
        margin-top: 12px;
        font-size: 14px;
      }
      .intro-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch !important;
      }
      .intro-cta,
      .intro-share,
      .intro-copy { width: 100%; }
      .intro-visual {
        display: none;
      }
      .intro-characters {
        display: block;
        width: 100%;
        max-width: 360px;
        margin: 20px auto 0;
        mix-blend-mode: lighten;
        opacity: 0.85;
        filter: brightness(1.6) contrast(0.9);
        pointer-events: none;
        mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
        -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
      }
      .dim-grid,
      .score-grid { grid-template-columns: 1fr; }
    }

    @media (prefers-reduced-motion: reduce) {
      #intro::after,
      #intro .intro-meta,
      #intro .intro-kicker,
      #intro .intro-official,
      #intro .intro-title,
      #intro .intro-sub,
      #intro .intro-actions,
      #intro .intro-visual,
      #intro .intro-orbit,
      #intro .intro-orbit-node-new,
      #intro .intro-watermark {
        animation: none !important;
      }
      #test .test-wrap {
        animation: none !important;
      }
      #test .question,
      #test .option,
      #test .topbar,
      #test .actions-bottom {
        transition: none !important;
      }
      #intro .intro-cta,
      #intro .intro-share,
      #intro .intro-copy {
        transition: none !important;
      }
    }