:root {
    --primary: #0d6efd;
    --primary-dark: #0d4599;
    --ink: #3e3932;
    --muted: #81786d;
    --paper: #fbf8f2;
    --card: #fffdf9;
    --line: #cfcfcf;
    --accent: #00133d;
    --accent-dark: #765039;
    --soft: #dfe5f2;
    --green: #54735c;
  }
  
  * {
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    color: var(--ink);
    font-family: "Noto Sans TC", sans-serif;
    line-height: 1.7;
  }
  
  .inquiry-shell {
    max-width: 640px;
    margin: 0 auto;
    padding: 20px 18px 36px;
  }

  /* =========================
   Back Button
========================= */

.inquiry-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 18px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--primary-dark);
    font: inherit;
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
    text-decoration: none;
  }
  
  .inquiry-back:hover {
    opacity: 0.7;
    transform: translateX(-2px);
  }
  
  .inquiry-back:active {
    transform: translateX(-4px);
  }
  
  .inquiry-back:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
    border-radius: 6px;
  }

  
  /* =========================
     Header
  ========================= */
  
  .inquiry-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 2px 26px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--line);
  }
  
  .inquiry-header a {
    color: var(--ink);
    font-size: 1.18rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-decoration: none;
  }
  
  .inquiry-header span {
    color: var(--muted);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
  }
  
  /* =========================
     Card
  ========================= */
  
  .inquiry-card {
    padding: 28px 24px;
    margin-bottom: 18px;
    background: #f0f2f5;
    border-radius: 18px;
    box-shadow: 0 12px 34px rgba(80, 57, 35, 0.07);
  }
  
  .intro-card {
    padding: 32px 26px;
  }
  
  .eyebrow {
    margin: 0 0 7px;
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
  }
  
  .inquiry-card h1,
  .section-heading h1 {
    margin: 0 0 12px;
    font-size: 1.55rem;
    line-height: 1.35;
    letter-spacing: 0.04em;
  }
  
  .inquiry-card h2 {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.45;
    font-weight: 600;
  }
  
  .inquiry-card p {
    color: var(--muted);
    font-size: 0.9rem;
  }
  
  /* =========================
     Form
  ========================= */
  
  .inquiry-form {
    display: grid;
    gap: 8px;
    margin-top: 24px;
  }
  
  .inquiry-form label {
    margin-top: 8px;
    font-size: 0.82rem;
    font-weight: 600;
  }
  
  .inquiry-form input,
  .inquiry-form textarea {
    width: 100%;
    padding: 12px 13px;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    outline: none;
    font: inherit;
    font-size: 0.92rem;
    transition:
      border-color 0.2s,
      box-shadow 0.2s;
  }
  
  .inquiry-form input:focus,
  .inquiry-form textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(155, 107, 75, 0.13);
  }
  
  .inquiry-form input[type="file"] {
    padding: 10px;
    font-size: 0.78rem;
  }
  
  .form-note {
    margin: 18px 0 0;
    font-size: 0.75rem !important;
  }
  
  /* =========================
     Button
  ========================= */
  
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: 0;
    border-radius: 10px;
    cursor: pointer;
    font: inherit;
    font-size: 0.86rem;
    font-weight: 600;
    text-decoration: none;
    transition:
      transform 0.2s,
      background 0.2s;
  }
  
  .button:hover {
    transform: translateY(-1px);
  }
  
  .button-primary {
    margin-top: 15px;
    color: #fff;
    background: var(--primary);
  }
  
  .button-primary:hover {
    background: var(--primary-dark);
  }
  
  .button-secondary {
    color: var(--accent-dark);
    background: var(--soft);
  }

  /* =========================
     Upload Box
  ========================= */
  .upload-box {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    margin-top: 6px;
    border: 1px solid var(--primary);
    border-radius: 8px;
    width: fit-content;
    cursor: pointer;
    transition: .2s;
  }
  
  .upload-box:hover {
    background: rgba(13,110,253,.05);
  }

  .upload-icon {
    color: var(--primary);
  }

  .upload-box strong {
    display: block;
    color: var(--primary);
    font-size: .9rem;
  }
  
  .upload-box small {
    color: var(--muted);
    font-size: .76rem;
  }
  
  .preview-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
  }
  
  .preview-item {
    width: 72px;
  }
  
  .preview-item img {
    display: block;
    width: 72px;
    height: 72px;
    object-fit: cover;
    border: 1px solid var(--line);
    border-radius: 10px;
  }
  
  .preview-name {
    margin-top: 4px;
    overflow: hidden;
    color: var(--muted);
    font-size: 0.65rem;
    text-align: center;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  
  /* =========================
     Notice
  ========================= */
  
  .notice {
    margin: 16px 0;
    padding: 10px 13px;
    border-radius: 10px;
    font-size: 0.82rem;
  }
  
  .notice-error {
    color: #a94d42;
    background: #fff0ee;
  }
  
  .notice-success {
    color: var(--green);
    background: #edf5ed;
  }
  
  /* =========================
     Section
  ========================= */
  
  .section-heading {
    padding: 0 4px 14px;
  }
  
  /* =========================
     Record
  ========================= */
  
  .record-card {
    padding: 22px;
  }
  
  .record-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
  }
  
  .status-pill {
    white-space: nowrap;
    padding: 2px 10px;
    border-radius: 99px;
    font-size: 0.72rem;
  }
  
  .status-answered {
    color: var(--green);
    background: #e7f1e8;
  }
  
  .status-pending {
    color: var(--muted);
    background: #eeeae4;
  }
  
  .record-date {
    margin: 4px 0 14px;
    font-size: 0.75rem !important;
  }
  
  .record-content {
    padding-top: 14px;
    border-top: 1px solid var(--line);
    font-size: 0.88rem;
    white-space: normal;
  }
  
  /* =========================
     Thumbnail
  ========================= */
  
  .thumb-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 7px;
    margin-top: 16px;
  }
  
  .thumb-grid img {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 7px;
  }
  
  /* =========================
     Answer
  ========================= */
  
  .answer-block {
    margin-top: 18px;
    padding: 13px 15px;
    background: var(--soft);
    border-radius: 11px;
  }
  
  .answer-block strong {
    color: var(--accent-dark);
    font-size: 0.83rem;
  }
  
  .answer-block p {
    margin: 5px 0;
    font-size: 0.84rem;
  }
  
  .answer-block small {
    color: var(--muted);
    font-size: 0.7rem;
  }
  
  /* =========================
     Actions
  ========================= */
  
  .action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 24px 2px;
  }
  
  .action-row .button {
    margin: 0;
  }
  
  .back-link {
    display: inline-block;
    margin-top: 14px;
    color: var(--primary-dark);
    font-size: 0.82rem;
  }
  
  /* =========================
     Complete
  ========================= */
  
  .complete-card {
    padding: 52px 26px;
    text-align: center;
  }
  
  .complete-card .button {
    margin-top: 12px;
  }
  
  .success-mark {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    margin: 0 auto 18px;
    color: var(--green);
    background: #e7f1e8;
    border-radius: 50%;
    font-size: 1.7rem;
  }
  
  /* =========================
     Footer
  ========================= */
  
  .inquiry-footer {
    margin-top: 34px;
    color: var(--muted);
    text-align: center;
    font-size: 0.7rem;
  }
  
  /* =========================
     Responsive
  ========================= */
  
  @media (max-width: 420px) {
    .inquiry-shell {
      padding: 14px 12px 28px;
    }
  
    .inquiry-card {
      padding: 23px 18px;
    }
  
    .record-top {
      display: block;
    }
  
    .status-pill {
      display: inline-block;
      margin-top: 8px;
    }
  
    .thumb-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }