.article { max-width: 820px; margin: 0 auto; padding: 56px 0 24px; }
.article-head { text-align: center; margin-bottom: 38px; }
.article-head .section-tag {
  display: inline-block; font-size: 13px; letter-spacing: 3px;
  color: var(--gold-deep); font-weight: 600; margin-bottom: 18px;
}
.article-head h1 {
  color: var(--navy-900); letter-spacing: 0.5px; font-weight: 800;
  font-size: clamp(30px, 4.6vw, 42px);
  line-height: 1.25;
}
.article-head h1 .title-main {
  display: block;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.2;
  margin-bottom: 6px;
}
.article-head h1 .title-sub {
  display: block;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.35;
  font-weight: 700;
}
.article-meta {
  margin-top: 18px; font-size: 14px; color: var(--ink-soft); letter-spacing: 1px;
}
.article-body { font-size: 17px; line-height: 1.95; color: var(--ink); }
.article-body p {
  margin: 0 0 20px;
  text-align: justify;
  text-align-last: left;
  text-justify: inter-ideograph;
  word-break: normal;
  overflow-wrap: break-word;
  letter-spacing: normal;
}
.article-body h2 {
  font-size: 23px; color: var(--navy-900); margin: 38px 0 16px;
  padding-left: 14px; border-left: 4px solid var(--gold); letter-spacing: 0.5px;
}
.article-body h3 {
  font-size: 18.5px; color: var(--navy-900); margin: 26px 0 10px; font-weight: 700;
}
.article-body ul { margin: 0 0 20px; padding-left: 22px; }
.article-body li { margin-bottom: 8px; line-height: 1.85; }
.article-body strong { color: var(--navy-900); }
.article-portrait {
  display: block; margin: 14px auto 10px; width: 62%; max-width: 340px;
  border-radius: 14px; border: 1px solid var(--gold-soft);
  box-shadow: 0 12px 32px rgba(13,22,38,.18);
}
.article-portrait-cap {
  text-align: center; font-size: 13px; color: var(--ink-soft);
  letter-spacing: 2px; margin: 0 0 34px;
}
@media (max-width: 720px) { .article-portrait { width: 80%; } }
.article-figure {
  margin: 28px 0 32px; text-align: center;
}
.article-figure img {
  display: block; max-width: 100%; height: auto;
  border-radius: 12px; border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(13,22,38,.10);
}
.article-figure figcaption {
  font-size: 13px; color: var(--ink-soft); letter-spacing: 1px;
  margin-top: 10px; line-height: 1.6;
}
.article-quote {
  margin: 30px 0; padding: 22px 26px; border-radius: var(--radius-sm);
  background: linear-gradient(120deg, rgba(255,138,61,0.10), rgba(255,179,71,0.04));
  border: 1px solid var(--gold-soft); color: var(--navy-900);
  font-size: 18px; font-weight: 600; line-height: 1.7;
}
.article-pre {
  margin: 26px 0; padding: 20px 22px; border-radius: var(--radius-sm);
  background: var(--paper-alt); border: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  font-size: 13.5px; line-height: 1.85; color: var(--navy-900);
  white-space: pre; overflow-x: auto;
}
.article-sign {
  margin-top: 40px; padding-top: 24px; border-top: 1px dashed var(--line);
  font-size: 14.5px; color: var(--ink-soft); text-align: center; line-height: 1.8;
}
.article-sign strong { color: var(--navy-900); }
.article-cta {
  margin-top: 22px; text-align: center; padding: 22px;
  border-radius: var(--radius-sm); background: var(--paper-alt);
  font-size: 15px; color: var(--ink-soft); line-height: 1.8;
}
.article-cta strong { color: var(--gold-deep); }
.article-back { display: block; text-align: center; margin: 36px 0 8px; }
.article-back a {
  display: inline-flex; align-items: center; gap: 6px; font-size: 14px;
  color: var(--gold-deep); font-weight: 600;
}
.article-back a:hover { color: var(--navy-900); }
@media (max-width: 720px) {
  .article { padding: 28px 16px 12px; min-width: 0; }
  .article-head { margin-bottom: 26px; }
  .article-head .section-tag { font-size: 12px; letter-spacing: 2px; margin-bottom: 12px; }
  .article-head h1 { font-size: clamp(22px, 6.2vw, 28px); line-height: 1.32; }
  .article-head h1 .title-main { font-size: clamp(22px, 6.2vw, 28px); }
  .article-head h1 .title-sub { font-size: clamp(17px, 5vw, 22px); }
  .article-meta { margin-top: 12px; font-size: 13px; }
  .article-body { font-size: 15.5px; line-height: 1.85; overflow-wrap: break-word; word-break: break-word; }
  .article-body p { text-align: left; margin-bottom: 16px; }
  .article-body h2 { font-size: 19px; margin: 28px 0 12px; padding-left: 10px; }
  .article-body h3 { font-size: 17px; margin: 20px 0 8px; }
  .article-body ul { padding-left: 18px; margin-bottom: 16px; }
  .article-body li { margin-bottom: 6px; }
  .article-quote { font-size: 16px; padding: 16px 18px; margin: 22px 0; }
  .article-figure { margin: 20px 0 24px; }
  .article-figure figcaption { font-size: 12px; }
  .article-sign { font-size: 13.5px; margin-top: 28px; padding-top: 18px; }
  .article-cta { padding: 16px; font-size: 14px; }
  .share-fab { width: 40px; height: 40px; top: 60px; right: 10px; }
  .share-fab svg { width: 20px; height: 20px; }
}
/* 右上角转发按钮 */
.share-fab {
  position: fixed; top: 72px; right: 16px; z-index: 60;
  width: 48px; height: 48px; border-radius: 50%;
  background: #FF7A1A; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(255,122,26,.35);
  transition: transform .15s ease, background .15s ease;
}
.share-fab:hover { background: #ff6a00; transform: scale(1.06); }
.share-fab svg { width: 24px; height: 24px; display: block; }
.share-toast {
  position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%);
  background: rgba(26,35,50,.94); color: #fff; font-size: 14px;
  padding: 11px 20px; border-radius: 999px; z-index: 80;
  opacity: 0; pointer-events: none; transition: opacity .25s ease;
  max-width: 86vw; text-align: center; line-height: 1.5;
}
.share-toast.show { opacity: 1; }
/* 微信内转发引导浮层 */
.wx-guide { position: fixed; inset: 0; z-index: 95; display: none; background: rgba(13,22,38,.9); }
.wx-guide.show { display: block; }
.wx-guide .arrow { position: absolute; top: 16px; right: 30px; width: 56px; height: 72px; }
.wx-guide .tip { position: absolute; top: 110px; left: 50%; transform: translateX(-50%); text-align: center; color: #fff; width: 88vw; }
.wx-guide .tip strong { color: #d4af5a; font-size: 22px; }
.wx-guide .tip p { margin: 8px 0; font-size: 16px; line-height: 1.7; }
.wx-guide .copy { position: absolute; bottom: 44px; left: 50%; transform: translateX(-50%); background: none; border: 1px solid rgba(255,255,255,.55); color: #fff; padding: 10px 28px; border-radius: 999px; font-size: 14px; cursor: pointer; }
@media (max-width: 720px) {
  .share-fab { width: 44px; height: 44px; top: 66px; }
}
/* 正文表格（标准对照表） */
.article-body table {
  width: 100%; border-collapse: collapse; margin: 22px 0 28px;
  font-size: 15.5px; line-height: 1.7;
}
.article-body th, .article-body td {
  border: 1px solid var(--line); padding: 11px 14px; text-align: left; vertical-align: top;
}
.article-body thead th {
  background: var(--paper-alt); color: var(--navy-900); font-weight: 700;
}
.article-body tbody th {
  color: var(--navy-900); font-weight: 700; width: 84px; text-align: center;
}
.article-body tbody td:first-child { color: var(--ink-soft); font-weight: 600; white-space: nowrap; width: 44px; text-align: center; }
.article-body thead th:first-child { width: 44px; text-align: center; }
/* FAQ 列表 */
.faq-list { margin: 18px 0 6px; }
.faq-item {
  padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  margin-bottom: 12px; background: var(--paper);
}
.faq-item .q { font-weight: 700; color: var(--navy-900); margin-bottom: 6px; font-size: 16px; }
.faq-item .q::before { content: "Q："; color: var(--gold-deep); }
.faq-item .a { color: var(--ink-soft); line-height: 1.85; }
@media (max-width: 720px) {
  .article-body table {
    font-size: 13px;
    table-layout: fixed;
    width: 100%;
    min-width: 100%;
    word-break: break-word;
  }
  .article-body th, .article-body td {
    padding: 8px 9px;
    overflow-wrap: break-word;
    word-break: break-word;
    white-space: normal;
  }
  .article-body tbody td:first-child { white-space: normal; }
  .article-figure img { width: 100%; }
}