: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;
    }

    * { box-sizing: border-box; }
    html, body { margin: 0; padding: 0; }
    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: 24px 16px 56px;
    }

    .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;
    }

    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;
      text-decoration:none;
    }

    .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; }

    .test-wrap,
    .result-wrap {
      margin-top: 22px;
      padding: 22px;
    }

    .topbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      position: sticky;
      top: 0;
      z-index: 10;
      background: #fff;
    }

    .progress-bar-card {
      background: #fff;
      border-radius: 18px 18px 18px 18px;
      padding: 14px 24px 12px;
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    }

    .progress {
      flex: 1;
      min-width: 240px;
      height: 10px;
      background: #edf3ee;
      border-radius: 999px;
      overflow: hidden;
      position: relative;
      box-shadow: inset 0 1px 3px rgba(0,0,0,0.08);
    }

    .progress > span {
      display: block;
      width: 0;
      height: 100%;
      background: linear-gradient(90deg, #97b59c, #5b7a62);
      border-radius: inherit;
      transition: width .22s ease;
      box-shadow: 0 1px 4px rgba(91,122,98,0.4);
    }

    .progress-text {
      color: var(--muted);
      font-size: 13px;
      white-space: nowrap;
      font-weight: 600;
      letter-spacing: 0.02em;
    }

    .question-list {
      display: grid;
      gap: 16px;
    }

    .question {
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 18px;
      background: linear-gradient(180deg, #ffffff, #fbfdfb);
    }

    .question-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      margin-bottom: 10px;
      color: var(--muted);
      font-size: 12px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 6px 10px;
      background: var(--soft);
      border: 1px solid var(--line);
    }

    .question-title {
      font-size: 16px;
      line-height: 1.7;
      white-space: pre-wrap;
    }

    .options {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .option {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px 14px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: #fff;
      transition: border-color .16s ease, background .16s ease, transform .16s ease;
    }

    .option:hover {
      border-color: #bcd0c1;
      background: #f8fcf9;
    }

    .option input {
      margin-top: 3px;
      accent-color: var(--accent-strong);
      transform: scale(1.1);
      flex-shrink: 0;
    }

    .option-code {
      font-weight: 800;
      color: var(--accent-strong);
      min-width: 22px;
    }

    .actions-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 18px;
      padding-top: 6px;
    }

    .hint {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .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;
    }

    .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: 0.9fr 1.1fr;
      gap: 18px;
      align-items: stretch;
    }
    .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: 1fr auto;
      min-height: 280px;
      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-image {
      width: 100%;
      min-height: 220px;
      max-height: 460px;
      object-fit: contain;
      border-radius: 18px;
      background: rgba(255,255,255,0.75);
      position: relative;
      z-index: 1;
    }
    .poster-box.no-image .poster-image {
      display: none;
    }
    .poster-caption {
      margin-top: 14px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      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;
    }
    .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-actions {
      margin-top: 22px;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 16px;
      width: 100%;
    }
    .result-actions > div:first-child {
      display: flex;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .result-actions #toolsSection {
      width: 100%;
      max-width: 440px;
      margin-left: auto;
      margin-right: auto;
      box-sizing: border-box;
    }
    .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;
    }

    .author-box {
      border: 1px solid var(--line);
      border-radius: 18px;
      background: linear-gradient(180deg, #ffffff, #fbfdfb);
      overflow: hidden;
    }
    .author-box summary {
      list-style: none;
      cursor: pointer;
      padding: 18px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .author-box summary::-webkit-details-marker { display: none; }
    .author-box summary::after {
      content: '展开';
      font-size: 12px;
      font-weight: 700;
      color: var(--accent-strong);
      border: 1px solid var(--line);
      background: var(--soft);
      padding: 6px 10px;
      border-radius: 999px;
      flex-shrink: 0;
    }
    .author-box[open] summary::after {
      content: '收起';
    }
    .author-content {
      border-top: 1px solid var(--line);
      padding: 0 18px 18px;
    }
    .author-content p {
      margin: 14px 0 0;
      color: #304034;
      font-size: 14px;
      line-height: 1.9;
    }

    /* ========= 全新独立样式：优势特色板块 (sbti-advantage) ========= */
    .sbti-advantage-section {
      margin: 48px 0 32px;
      background: #ffffff;
      border-radius: 32px;
      border: 1px solid #e2ede4;
      box-shadow: 0 20px 35px -12px rgba(47, 73, 55, 0.12);
      overflow: hidden;
      transition: all 0.2s;
    }
    .adv-header {
      background: linear-gradient(135deg, #F3F9F4 0%, #EBF3EC 100%);
      padding: 32px 28px 28px 28px;
      border-bottom: 1px solid #ddebe0;
    }
    .adv-header h2 {
      font-size: 28px;
      font-weight: 800;
      letter-spacing: -0.02em;
      background: linear-gradient(120deg, #2C5A2E, #5D8C62);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      margin-bottom: 12px;
    }
    .adv-header p {
      color: #4e6753;
      font-size: 16px;
      line-height: 1.5;
      max-width: 85%;
    }
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      background: #fff;
    }
    .adv-card {
      padding: 28px 24px 32px;
      border-right: 1px solid #ecf3ee;
      border-bottom: 1px solid #ecf3ee;
      background: #ffffff;
      transition: all 0.2s ease;
    }
    .adv-card:nth-child(3n) {
      border-right: none;
    }
    .adv-card:nth-last-child(-n+3) {
      border-bottom: none;
    }
    .adv-icon {
      font-size: 44px;
      margin-bottom: 20px;
      display: inline-block;
    }
    .adv-card h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 18px;
      color: #2c4632;
      letter-spacing: -0.3px;
    }
    .adv-card p {
      font-size: 15px;
      line-height: 1.75;
      color: #3c5442;
      margin: 0;
    }
    @media (max-width: 860px) {
      .adv-grid { grid-template-columns: 1fr; }
      .adv-card { border-right: none; border-bottom: 1px solid #ecf3ee; }
      .adv-card:nth-last-child(-n+3) { border-bottom: 1px solid #ecf3ee; }
      .adv-card:last-child { border-bottom: none; }
      .adv-header p { max-width: 100%; }
    }

    /* ========= 全新样式：网址导航小卡片 (site-nav-cards) ========= */
    .site-nav-module {
      margin: 36px 0 20px;
      background: #FEFEF7;
      border-radius: 28px;
      border: 1px solid #e4edd9;
      padding: 24px 20px 20px;
      box-shadow: 0 6px 18px rgba(0,0,0,0.02);
    }
    .site-nav-title {
      font-size: 18px;
      font-weight: 700;
      color: #1f3b2c;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .site-nav-sub {
      font-size: 13px;
      color: #7a8e7f;
      margin-bottom: 22px;
      border-left: 3px solid #bdd8c2;
      padding-left: 12px;
    }
    .nav-cards-row {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      justify-content: flex-start;
    }
    .nav-card-item {
      flex: 1 1 220px;
      background: #ffffff;
      border-radius: 24px;
      border: 1px solid #e0efdf;
      padding: 16px 14px;
      transition: all 0.2s ease;
      box-shadow: 0 1px 3px rgba(0,0,0,0.02);
      display: flex;
      flex-direction: column;
    }
    .nav-card-item:hover {
      transform: translateY(-3px);
      border-color: #b2d0ad;
      box-shadow: 0 12px 24px -12px rgba(82, 113, 78, 0.2);
      background: #fefef9;
    }
    .nav-site-name {
      font-weight: 800;
      font-size: 18px;
      margin-bottom: 8px;
      color: #35553b;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-site-desc {
      font-size: 13px;
      color: #6a7f6e;
      line-height: 1.45;
      margin-bottom: 14px;
      flex: 1;
    }
    .nav-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      background: #f0f6ef;
      color: #3a6842;
      padding: 8px 12px;
      border-radius: 30px;
      font-size: 12px;
      font-weight: 600;
      text-decoration: none;
      width: fit-content;
      transition: 0.15s;
      border: 1px solid #d6e8d3;
    }
    .nav-btn:hover {
      background: #e3f0e2;
      border-color: #b3cfaa;
      color: #2b5433;
    }
    @media (max-width: 660px) {
      .nav-cards-row { flex-direction: column; }
      .nav-card-item { flex: auto; }
    }