:root {
      --pink: #ff4d8d;
      --pink-hover: #e63d7a;
      --text: #1a1a1a;
      --muted: #666;
      --border: #eee;
      --footer-bg: #1c1412;
      --max: 1180px;
      /* 前台配图默认 16:9，最大高度 200px（窄屏随宽度按比例变矮，仍保持 16:9） */
      --front-photo-max-h: 200px;
      --front-photo-max-w: min(100%, calc(200px * 16 / 9));
    }

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

    html {
      scroll-padding-top: calc(0.75rem + env(safe-area-inset-top, 0px));
    }

    body {
      margin: 0;
      font-family: "DM Sans", system-ui, -apple-system, sans-serif;
      color: var(--text);
      background: #fff;
      line-height: 1.5;
      padding-left: env(safe-area-inset-left, 0);
      padding-right: env(safe-area-inset-right, 0);
    }

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

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

    .site-header {
      border-bottom: 1px solid var(--border);
      position: relative;
      z-index: 1;
      background: #fff;
      padding-top: env(safe-area-inset-top, 0);
    }

    .header-inner {
      max-width: var(--max);
      margin: 0 auto;
      padding: 0.75rem clamp(0.65rem, 4vw, 1.25rem);
      display: flex;
      flex-wrap: nowrap;
      align-items: center;
      justify-content: flex-start;
      gap: 0.75rem 1rem;
    }

    @media (max-width: 959px) {
      .header-inner {
        flex-wrap: wrap;
      }

      .logo {
        order: 1;
      }

      .header-tools {
        order: 2;
        margin-left: auto;
      }

      .nav-toggle {
        display: flex;
      }
    }

    @media (min-width: 960px) {
      .nav-toggle {
        display: none !important;
      }
    }

    .logo {
      font-weight: 700;
      font-size: 1.35rem;
      letter-spacing: -0.02em;
      background: linear-gradient(135deg, #ff6b9d, #c471ed, #12c2e9);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      flex-shrink: 0;
    }

    .nav-main {
      display: flex;
      flex: 1 1 auto;
      flex-wrap: wrap;
      justify-content: center;
      gap: 0.35rem 1rem;
      font-size: 0.72rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      min-width: 0;
    }

    .nav-main a {
      color: var(--text);
      padding: 0.25rem 0;
    }

    .nav-main a:hover {
      color: var(--pink);
    }

    .nav-main a[aria-current="page"] {
      color: var(--pink);
      font-weight: 600;
    }

    @media (max-width: 959px) {
      .nav-main {
        order: 3;
        flex-basis: 100%;
        display: none;
        flex: 1 1 auto;
        flex-direction: column;
        flex-wrap: nowrap;
        align-items: stretch;
        justify-content: flex-start;
        gap: 0;
        padding: 0;
        margin: 0;
        max-height: min(75vh, 420px);
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        border: none;
        mask-image: none;
      }

      .site-header.is-nav-open .nav-main {
        display: flex;
        padding: 0.5rem 0 0.35rem;
        margin-top: 0.35rem;
        border-top: 1px solid var(--border);
      }

      .nav-main a {
        padding: 0.6rem 0.25rem;
        border-bottom: 1px solid #f2f2f2;
        white-space: normal;
      }

      .nav-main a:last-child {
        border-bottom: none;
      }
    }

    .header-tools {
      display: flex;
      align-items: center;
      flex-shrink: 0;
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      padding: 0;
      border: none;
      background: transparent;
      border-radius: 50%;
      cursor: pointer;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      color: var(--text);
      touch-action: manipulation;
      -webkit-tap-highlight-color: transparent;
    }

    .nav-toggle:hover {
      background: #f5f5f5;
    }

    .nav-toggle__bar {
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 1px;
      background: currentColor;
    }

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

    .wrap {
      max-width: var(--max);
      margin: 0 auto;
      padding: clamp(0.85rem, 3vw, 1.5rem) clamp(0.65rem, 4vw, 1.25rem) 2rem;
    }

    .layout {
      display: grid;
      gap: clamp(1.25rem, 4vw, 2rem);
    }

    @media (max-width: 899px) {
      .layout aside {
        padding-top: 0.25rem;
        border-top: 1px solid var(--border);
      }
    }

    @media (min-width: 900px) {
      .layout {
        grid-template-columns: 1fr 280px;
        align-items: start;
      }
    }

    .quiz-title {
      font-size: clamp(1.2rem, 5vw, 2rem);
      font-weight: 700;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      margin: 0 0 0.75rem;
      line-height: 1.2;
      word-wrap: break-word;
      overflow-wrap: anywhere;
    }

    .tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.4rem;
      margin-bottom: 1rem;
    }

    .tag {
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      padding: 0.25rem 0.6rem;
      border-radius: 3px;
      background: var(--pink);
      color: #fff;
    }

    .author {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.85rem;
      color: var(--muted);
      margin-bottom: 1.25rem;
    }

    .author-avatar {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      object-fit: cover;
      flex-shrink: 0;
    }

    .author-avatar--ph {
      display: inline-block;
      background: linear-gradient(135deg, #ddd, #bbb);
    }

    .hero {
      border-radius: 8px;
      overflow: hidden;
      margin-bottom: 2rem;
      background: linear-gradient(120deg, #e8eef5 0%, #f5e8ef 100%);
      min-height: 200px;
      position: relative;
    }

    .hero-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      min-height: 220px;
      align-items: center;
      padding: 1rem 1.5rem;
    }

    .hero-inner:has(.hero-banner-img),
    .hero-inner:has(.hero-banner-frame) {
      grid-template-columns: 1fr;
      min-height: 0;
      padding: 0;
      align-items: stretch;
    }

    .hero-banner-frame {
      position: relative;
      width: var(--front-photo-max-w);
      max-height: var(--front-photo-max-h);
      aspect-ratio: 16 / 9;
      margin-inline: auto;
      overflow: hidden;
      border-radius: 8px;
    }

    .img-credit-overlay {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      padding: 0.35rem 0.5rem 0.3rem;
      font-size: 0.68rem;
      line-height: 1.25;
      color: rgba(255, 255, 255, 0.95);
      background: linear-gradient(transparent, rgba(0, 0, 0, 0.55));
      text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
    }

    .hero-flag {
      font-size: 4rem;
      text-align: center;
      filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.08));
    }

    .hero-text {
      font-size: clamp(1.25rem, 3vw, 1.75rem);
      font-weight: 700;
      color: var(--text);
    }

    @media (max-width: 600px) {
      .hero {
        min-height: 0;
        margin-bottom: 1.5rem;
      }

      .hero-inner {
        grid-template-columns: 1fr;
        min-height: 0;
        padding: 1.25rem 1rem;
        text-align: center;
        gap: 0.5rem;
      }

      .hero-flag {
        font-size: clamp(2.5rem, 12vw, 3.5rem);
      }

      .hero-text {
        font-size: clamp(1.1rem, 4.5vw, 1.5rem);
      }
    }

    .quiz-runner {
      max-width: 560px;
      margin: 0 auto;
    }

    .quiz-inline-msg {
      margin: 0 0 0.85rem;
      padding: 0.55rem 0.75rem;
      border-radius: 8px;
      font-size: 0.88rem;
      font-weight: 600;
      line-height: 1.35;
      text-align: center;
      background: #fff8e6;
      border: 1px solid #f0d090;
      color: #6d4c00;
    }

    .quiz-inline-msg--error {
      background: #fdecea;
      border-color: #f5c6cb;
      color: #842029;
    }

    .q-block {
      display: block;
      margin-bottom: 2rem;
      scroll-margin-top: 1rem;
      padding: 0.65rem 0.75rem 0.85rem;
      border: 2px solid transparent;
      border-radius: 14px;
      box-sizing: border-box;
      transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    }

    .q-block--current {
      /* 与选项选中态、站点 --pink 同一玫红系 */
      border: 2px solid var(--pink);
      background: #fff0f5;
      box-shadow:
        0 0 0 2px rgba(255, 77, 141, 0.22),
        0 6px 22px rgba(255, 77, 141, 0.16);
    }

    .q-block--done,
    .q-block--locked {
      border-color: transparent;
      box-shadow: none;
    }

    .q-block--locked {
      opacity: 0.9;
    }

    .q-block-num {
      font-size: 0.78rem;
      font-weight: 600;
      color: #b0b0b0;
      margin: 0 0 0.65rem;
      letter-spacing: 0.03em;
    }

    .q-block-num-index {
      font-weight: 700;
      color: #9e9e9e;
    }

    .q-block--current .q-block-num-label,
    .q-block--current .q-block-num-total {
      color: var(--pink);
    }

    .q-block--current .q-block-num-index {
      color: var(--pink);
      font-weight: 800;
      font-size: 0.92em;
    }

    /* 未解锁题：始终不可点 */
    .q-block--locked .choice,
    .q-block--locked .quiz-next-q {
      pointer-events: none;
    }

    .q-block--locked .choice,
    .q-block--done .choice {
      cursor: default;
    }

    /* 考试型：已做题锁定，不可改选 */
    .quiz-page--exam .q-block--done .choice {
      pointer-events: none;
    }

    /* 测评 / 投票：已做题仍可点选项改答案 */
    .quiz-page--nonexam .q-block--done .choice {
      pointer-events: auto;
      cursor: pointer;
    }

    .q-label {
      font-size: clamp(1.05rem, 3.5vw, 1.2rem);
      font-weight: 700;
      margin: 0 0 1rem;
      line-height: 1.35;
      color: #666;
    }

    .q-visual-wrap {
      position: relative;
      border-radius: 12px;
      overflow: hidden;
      margin: 0 auto 0.45rem;
      background: #f0f0f0;
      width: var(--front-photo-max-w);
      max-height: var(--front-photo-max-h);
      aspect-ratio: 16 / 9;
    }

    .q-visual-wrap .q-visual {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
      margin: 0;
      border-radius: 0;
    }

    .q-visual-credit {
      font-size: 0.72rem;
      line-height: 1.35;
      color: #999;
      font-style: italic;
      margin: 0 0 1rem;
    }

    @media (max-width: 480px) {
      .q-block {
        margin-bottom: 1.75rem;
      }
    }

    .btn-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0.65rem;
      scroll-margin-top: 1rem;
    }

    .choice {
      font-family: inherit;
      font-size: clamp(0.78rem, 2.8vw, 0.88rem);
      font-weight: 600;
      padding: 0.85rem 0.55rem;
      min-height: 48px;
      border: 2px solid #e8e8e8;
      border-radius: 10px;
      background: #fafafa;
      color: var(--text);
      cursor: pointer;
      transition: border-color 0.15s, background 0.15s, color 0.15s, box-shadow 0.15s;
      touch-action: manipulation;
      -webkit-tap-highlight-color: transparent;
      box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
    }

    /* 鼠标 / 程序 focus 不画外圈，避免与「已选中」描边叠成两个框；键盘 Tab 仍可见 */
    .choice:focus {
      outline: none;
    }

    .choice:focus-visible {
      outline: 2px solid var(--pink);
      outline-offset: 2px;
    }

    .choice:hover {
      border-color: #cfcfcf;
      color: var(--text);
      background: #fff;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    }

    @media (hover: hover) {
      .q-block--current .choice:not(.is-selected):not(.is-wrong):not(.is-correct-reveal):hover {
        border-color: #bdbdbd;
        color: #222;
      }
    }

    .choice.is-selected {
      border-color: var(--pink);
      background: rgba(255, 77, 141, 0.08);
      color: var(--pink);
    }

    .choice.is-wrong {
      border-color: #c0392b !important;
      background: rgba(192, 57, 43, 0.1) !important;
      color: #922b21 !important;
    }

    .choice.is-correct-reveal {
      border-color: #27ae60 !important;
      background: rgba(39, 174, 96, 0.14) !important;
      color: #1e8449 !important;
    }

    .choice.is-selected.is-wrong {
      box-shadow: 0 0 0 1px rgba(192, 57, 43, 0.35);
    }

    .choice.is-selected.is-correct-reveal {
      box-shadow: 0 0 0 1px rgba(39, 174, 96, 0.45);
    }

    .btn-grid.is-reveal-locked {
      pointer-events: none;
    }

    .quiz-next-q {
      width: 100%;
      margin-top: 1rem;
      font-family: inherit;
      font-size: 0.95rem;
      font-weight: 700;
      padding: 0.85rem 1rem;
      min-height: 48px;
      border: 2px solid var(--pink);
      border-radius: 10px;
      background: #fff;
      color: var(--pink);
      cursor: pointer;
      transition: background 0.15s, color 0.15s;
      touch-action: manipulation;
      -webkit-tap-highlight-color: transparent;
    }

    .quiz-next-q:hover {
      background: rgba(255, 77, 141, 0.08);
    }

    .submit-bar {
      margin-top: 1.25rem;
    }

    .submit-bar .quiz-disclaimer {
      margin: 0.75rem 0 0;
    }

    .submit {
      width: 100%;
      font-family: inherit;
      font-size: 1rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      padding: 1rem;
      min-height: 48px;
      border: none;
      border-radius: 6px;
      background: var(--pink);
      color: #fff;
      cursor: pointer;
      transition: background 0.15s;
      touch-action: manipulation;
      -webkit-tap-highlight-color: transparent;
    }

    .submit:hover {
      background: var(--pink-hover);
    }

    .submit.is-pulse {
      animation: submit-pulse 1.1s ease-out 2;
    }

    @keyframes submit-pulse {
      0%,
      100% {
        box-shadow: 0 0 0 0 rgba(255, 77, 141, 0);
      }
      40% {
        box-shadow: 0 0 0 6px rgba(255, 77, 141, 0.35);
      }
    }

    .sidebar-title {
      font-size: 0.85rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      margin: 0 0 1rem;
    }

    .trend-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 0.85rem;
    }

    .trend-item {
      display: block;
    }

    .trend-item a {
      display: flex;
      gap: 0.75rem;
      align-items: flex-start;
    }

    .trend-item a:hover .trend-title {
      color: var(--pink);
    }

    .trend-thumb {
      height: 48px;
      width: auto;
      aspect-ratio: 16 / 9;
      border-radius: 4px;
      flex-shrink: 0;
      object-fit: cover;
      object-position: center;
      background: #ddd;
    }

    .trend-title {
      font-size: 0.8rem;
      font-weight: 600;
      line-height: 1.35;
      transition: color 0.15s;
    }

    .section-title {
      font-size: 1rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      margin: 2.5rem 0 1rem;
      text-align: center;
    }

    @media (max-width: 480px) {
      .section-title {
        margin: 1.75rem 0 0.85rem;
        font-size: 0.92rem;
      }

      .trend-title {
        overflow-wrap: anywhere;
      }
    }

    .rec-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }

    @media (max-width: 400px) {
      .rec-grid:not(.rec-grid--split-ad) {
        grid-template-columns: 1fr;
      }
    }

    @media (min-width: 640px) {
      .rec-grid:not(.rec-grid--split-ad) {
        grid-template-columns: repeat(4, 1fr);
      }
    }

    .rec-card {
      border-radius: 6px;
      overflow: hidden;
      border: 1px solid var(--border);
      transition: box-shadow 0.15s;
    }

    .rec-card:hover {
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    }

    .rec-card .ph {
      position: relative;
      aspect-ratio: 16 / 9;
      max-height: var(--front-photo-max-h);
      width: 100%;
      overflow: hidden;
      background: linear-gradient(160deg, #eaeaea, #d5d5d5);
    }

    .rec-card .rec-card__img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
      display: block;
    }

    .rec-card p {
      margin: 0;
      padding: 0.6rem 0.65rem;
      font-size: 0.78rem;
      font-weight: 600;
      line-height: 1.35;
    }

    .site-footer {
      background: var(--footer-bg);
      color: #e8e0dc;
      padding: 2rem clamp(0.75rem, 4vw, 1.25rem) 1.5rem;
      padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0));
      margin-top: 2rem;
    }

    .footer-inner {
      max-width: var(--max);
      margin: 0 auto;
      display: grid;
      gap: 2rem;
    }

    @media (min-width: 640px) {
      .footer-inner {
        grid-template-columns: 1fr 1fr;
        align-items: start;
      }
    }

    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      font-size: 0.9rem;
    }

    .footer-links a:hover {
      color: var(--pink);
    }

    .newsletter h3 {
      margin: 0 0 0.5rem;
      font-size: 0.95rem;
      font-weight: 600;
    }

    .newsletter form {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-top: 0.75rem;
    }

    @media (max-width: 480px) {
      .newsletter form {
        flex-direction: column;
      }

      .newsletter input,
      .newsletter button {
        width: 100%;
        min-width: 0;
      }

      .footer-bottom {
        flex-direction: column;
        justify-content: center;
        text-align: center;
      }
    }

    .newsletter input {
      flex: 1;
      min-width: 160px;
      padding: 0.65rem 0.75rem;
      border: 1px solid #444;
      border-radius: 4px;
      background: #2a2220;
      color: #fff;
      font-family: inherit;
      font-size: 0.9rem;
    }

    .newsletter input::placeholder {
      color: #888;
    }

    .newsletter button {
      font-family: inherit;
      font-weight: 700;
      padding: 0.65rem 1.25rem;
      border: none;
      border-radius: 4px;
      background: var(--pink);
      color: #fff;
      cursor: pointer;
    }

    .newsletter button:hover {
      background: var(--pink-hover);
    }

    .footer-bottom {
      max-width: var(--max);
      margin: 2rem auto 0;
      padding-top: 1.25rem;
      border-top: 1px solid #333;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 0.75rem;
      font-size: 0.75rem;
      color: #888;
    }

    .quiz-loading,
    .quiz-error {
      padding: 1.5rem 0;
      color: var(--muted);
      font-size: 1rem;
    }

    .quiz-error {
      color: #c0392b;
    }

    .quiz-intro {
      margin: 0 0 1rem;
      color: var(--muted);
      font-size: 0.95rem;
      line-height: 1.55;
    }

    .quiz-disclaimer {
      margin: 0 0 1rem;
      padding: 0.65rem 0.85rem;
      font-size: 0.82rem;
      line-height: 1.5;
      color: #5c4d3a;
      background: #fff8e6;
      border: 1px solid #f0e0b8;
      border-radius: 6px;
    }

    .quiz-disclaimer[hidden] {
      display: none !important;
    }

    .hero-banner-img {
      width: 100%;
      height: 100%;
      min-height: 0;
      object-fit: cover;
      object-position: center;
      display: block;
      border-radius: 0;
    }

    .answer-img {
      width: var(--front-photo-max-w);
      max-height: var(--front-photo-max-h);
      aspect-ratio: 16 / 9;
      object-fit: cover;
      object-position: center;
      border-radius: 4px;
      margin: 0 auto 0.2rem;
      display: block;
    }

    .answer-img-credit {
      font-size: 0.62rem;
      line-height: 1.2;
      color: #777;
      margin-bottom: 0.25rem;
    }

    .choice.choice-image {
      padding: 0.45rem;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      text-align: center;
    }

    #quiz-post-area {
      margin: 0 0 1.75rem;
      padding: 0;
    }

    .quiz-post-area {
      animation: post-area-in 0.45s ease-out both;
    }

    @keyframes post-area-in {
      from {
        opacity: 0;
        transform: translateY(8px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .post-wait-inner {
      max-width: 440px;
      margin-left: auto;
      margin-right: auto;
    }

    .post-card {
      position: relative;
      background: #fff;
      border: 1px solid #ebebeb;
      border-radius: 14px;
      padding: 1.35rem 1.4rem 1.15rem;
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
      overflow: hidden;
    }

    .post-card__shine {
      position: absolute;
      inset: 0;
      background: linear-gradient(
        125deg,
        transparent 40%,
        rgba(255, 77, 141, 0.06) 50%,
        transparent 60%
      );
      background-size: 200% 100%;
      opacity: 0;
      pointer-events: none;
    }

    .post-card--active .post-card__shine {
      opacity: 1;
      animation: post-shine 2.2s ease-in-out infinite;
    }

    @keyframes post-shine {
      0% {
        background-position: 100% 0;
      }
      100% {
        background-position: -100% 0;
      }
    }

    .post-card__spinner-wrap {
      width: 46px;
      height: 46px;
      margin: 0 auto 1rem;
      opacity: 0;
      transform: scale(0.88);
      transition: opacity 0.4s ease, transform 0.4s ease;
    }

    .post-card--active .post-card__spinner-wrap {
      opacity: 1;
      transform: scale(1);
    }

    .post-card--error .post-card__spinner-wrap {
      opacity: 0.55;
    }

    .post-card__spinner {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      border: 3px solid #eee;
      border-top-color: var(--pink);
    }

    .post-card--active .post-card__spinner {
      animation: post-spin 0.8s linear infinite;
    }

    .post-card--error .post-card__spinner {
      animation: none;
      border-color: #f5c6cb;
      border-top-color: #c0392b;
    }

    @keyframes post-spin {
      to {
        transform: rotate(360deg);
      }
    }

    .post-card__content {
      text-align: center;
    }

    .post-card__divider {
      height: 1px;
      background: linear-gradient(90deg, transparent, #e8e8e8 20%, #e8e8e8 80%, transparent);
      margin: 1rem 0 0.9rem;
      opacity: 0;
      transform: scaleX(0.6);
      transition: opacity 0.4s ease, transform 0.4s ease;
    }

    .post-card--step-2 .post-card__divider,
    .post-card--step-3 .post-card__divider {
      opacity: 1;
      transform: scaleX(1);
    }

    .post-line {
      margin: 0;
      line-height: 1.45;
    }

    .post-line--head {
      font-size: 1.05rem;
      font-weight: 700;
      color: #2a2a2a;
      letter-spacing: -0.01em;
    }

    .post-line--sub {
      margin-top: 0.4rem;
      font-size: 0.86rem;
      line-height: 1.5;
    }

    .post-line--accent {
      font-size: 1.12rem;
      font-weight: 700;
      color: var(--pink);
      letter-spacing: -0.02em;
    }

    .post-card--step-3 .post-line--accent {
      animation: post-accent-pulse 1.35s ease-in-out infinite;
    }

    .post-card--error .post-line--accent {
      animation: none;
      color: #111;
    }

    @keyframes post-accent-pulse {
      0%,
      100% {
        opacity: 1;
      }
      50% {
        opacity: 0.78;
      }
    }

    .post-line.err,
    .post-line--err {
      margin-top: 1rem;
      text-align: center;
      font-size: 0.9rem;
      font-weight: 600;
      color: #c0392b;
      padding: 0.65rem 0.75rem;
      background: #fdecea;
      border-radius: 8px;
      border: 1px solid #f5c6cb;
    }

    .post-card__rail {
      display: flex;
      justify-content: center;
      gap: 0.45rem;
      margin-top: 1.1rem;
      padding-top: 0.85rem;
      border-top: 1px solid #f3f3f3;
    }

    .post-rail-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #e0e0e0;
      transition: background 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
    }

    .post-card--active .post-rail-dot:nth-child(1) {
      background: var(--pink);
      transform: scale(1.15);
      box-shadow: 0 0 0 3px rgba(255, 77, 141, 0.2);
    }

    .post-card--step-2 .post-rail-dot:nth-child(2) {
      background: var(--pink);
      transform: scale(1.15);
      box-shadow: 0 0 0 3px rgba(255, 77, 141, 0.2);
    }

    .post-card--step-3 .post-rail-dot:nth-child(3) {
      background: var(--pink);
      transform: scale(1.15);
      box-shadow: 0 0 0 3px rgba(255, 77, 141, 0.2);
    }

    .post-card--error .post-card__rail,
    .post-card--error .post-card__shine {
      display: none;
    }

    .quiz-post-area--error .post-hint {
      display: none;
    }

    .post-hint {
      margin: 0.85rem auto 0;
      font-size: 0.8rem;
      color: #999;
      line-height: 1.45;
      max-width: 36em;
      text-align: center;
    }

    .post-line.muted {
      font-weight: 400;
      color: #888;
    }