:root {
  --bg: #f5f4f0;
  --bg-soft: #fffdf9;
  --ink: #2c2822;
  --ink-soft: #6e655a;
  --line: #e5e1d8;
  --accent: #9c5b3b;
  --accent-soft: #c98a5e;
  --shadow: 0 4px 28px rgba(60, 45, 20, 0.07);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 32% 120% at 52% 0%, rgba(255,255,255,0.85) 0%, transparent 55%),
    linear-gradient(180deg, #f7f5f0 0%, #eeece4 100%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, "Times New Roman", serif;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* 头部 */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 880px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title { font-size: 19px; font-weight: 700; letter-spacing: 2px; }
.brand-author { font-size: 12px; color: var(--ink-soft); letter-spacing: 1px; }
.top-nav a {
  margin-left: 18px; font-size: 15px; color: var(--ink-soft);
  padding-bottom: 2px; border-bottom: 2px solid transparent; transition: .2s;
}
.top-nav a:hover { color: var(--accent); }
.top-nav a.active { color: var(--accent); border-color: var(--accent); }

.container { max-width: 880px; margin: 0 auto; padding: 28px 20px 64px; }

/* 首页 */
.hero { display: flex; align-items: center; justify-content: center; gap: 30px; flex-wrap: wrap; padding: 32px 0 16px; }
.hero-text { text-align: center; }
.hero h1 { font-size: 30px; letter-spacing: 6px; margin: 0 0 8px; }
.hero p { color: var(--ink-soft); margin: 0; letter-spacing: 1px; }
.hero-qr {
  display: flex; flex-direction: column; align-items: center;
  padding: 12px 12px 10px; background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow);
}
.hero-qr-img {
  width: 108px; height: 108px; border-radius: 10px; background: #fff;
  padding: 6px; border: 1px solid var(--line);
}
.hero-qr-cap { margin-top: 9px; font-size: 12px; color: var(--accent); letter-spacing: 3px; }

.section-title {
  margin: 34px 0 12px; font-size: 17px; color: var(--accent);
  border-left: 4px solid var(--accent-soft); padding-left: 10px; letter-spacing: 2px;
}
.poem-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.poem-card {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; cursor: pointer; transition: .2s; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 6px;
}
.poem-card:hover { transform: translateY(-2px); border-color: var(--accent-soft); }
.poem-card .pt { font-size: 16px; font-weight: 600; }
.poem-card .pm { font-size: 12px; color: var(--ink-soft); display: flex; gap: 10px; }

/* 诗歌详情 - 出版版式 */
.back-link { color: var(--ink-soft); font-size: 14px; margin-bottom: 18px; display: inline-block; }
.poem-detail {
  position: relative;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 52px 44px 56px;
  box-shadow: var(--shadow);
}
.poem-detail .book-number {
  position: absolute;
  bottom: 22px;
  right: 30px;
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 1px;
  font-family: Georgia, "Times New Roman", serif;
}
.poem-detail h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin: 0 0 6px;
  text-align: left;
}
.poem-detail .sec-label {
  color: var(--accent);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin: 6px 0 28px;
  text-align: left;
}
.poem-body {
  font-size: 1.15rem;
  line-height: 2.05;
  text-align: left;
  margin: 0;
  max-width: 580px;
  color: var(--ink);
}
.poem-body .stanza { margin-bottom: 1.7em; }
.poem-body .stanza:last-child { margin-bottom: 0; }
.poem-body .poem-line {
  margin: 0;
  min-height: 2.05em;
}
.poem-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 22px;
  margin: 32px 0 10px;
  color: var(--ink-soft);
  font-size: 14px;
}
.like-btn {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: 6px 16px; font-size: 15px; color: var(--accent); transition: .2s;
}
.like-btn:hover { border-color: var(--accent-soft); }
.like-btn.liked { background: #fbeee6; border-color: var(--accent); }
.like-btn .heart { font-size: 16px; }
.share-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: 6px 16px; font-size: 14px; color: var(--ink-soft);
  cursor: pointer; transition: .2s;
}
.share-btn:hover { border-color: var(--accent-soft); color: var(--accent); }

/* 评论 */
.comments { margin-top: 34px; }
.comments h3 { font-size: 17px; border-left: 4px solid var(--accent-soft); padding-left: 10px; letter-spacing: 1px; }
.comment-form { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px; margin: 14px 0; }
.comment-form input, .comment-form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
  font-family: inherit; font-size: 14px; margin-bottom: 10px; resize: vertical; background: #fffdf8;
}
.comment-form .row { display: flex; gap: 10px; }
.comment-form .row input { margin-bottom: 0; }
.comment-form button {
  background: var(--accent); color: #fff; border: none; border-radius: 8px;
  padding: 9px 22px; font-size: 15px; cursor: pointer; letter-spacing: 1px;
}
.comment-form button:disabled { opacity: .5; cursor: default; }
.comment-list { margin-top: 8px; }
.comment-item { border-top: 1px dashed var(--line); padding: 12px 0; }
.comment-item .ch { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-soft); margin-bottom: 4px; }
.comment-item .cname { color: var(--accent); font-weight: 600; }
.comment-item .ctext { font-size: 15px; white-space: pre-wrap; }
.comment-item .cactions { margin-top: 6px; }
.comment-item .cactions button {
  font-size: 12px; color: var(--ink-soft); background: none; border: 1px solid var(--line);
  border-radius: 6px; padding: 2px 10px; cursor: pointer; margin-right: 8px;
}
.comment-item .cactions button:hover { color: var(--accent); border-color: var(--accent-soft); }
.empty-tip { color: var(--ink-soft); font-size: 14px; text-align: center; padding: 20px 0; }

/* 自序 */
.about-box { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 2px; padding: 38px 34px; box-shadow: var(--shadow); font-size: 17px; line-height: 2.1; }
.about-box h2 { text-align: center; letter-spacing: 4px; margin-top: 0; margin-bottom: 28px; }
.preface-body p { text-align: justify; text-indent: 2em; margin: 0 0 1.1em; }
.preface-body p:last-child { text-indent: 0; text-align: right; color: var(--ink-soft); white-space: pre-line; margin-top: 1.4em; line-height: 1.9; }
.contact-body { text-align: center; padding: 14px 0 8px; }
.contact-body p { color: var(--ink-soft); margin: 0 0 22px; font-size: 16px; }
.contact-email { display: inline-block; font-size: 26px; letter-spacing: 2px; color: var(--accent); font-weight: 600; text-decoration: none; border-bottom: 2px dashed var(--accent); padding-bottom: 4px; transition: opacity .15s; }
.contact-email:hover { opacity: .72; }

/* 后台 */
.admin-box { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; padding: 30px; box-shadow: var(--shadow); max-width: 620px; margin: 0 auto; }
.admin-box h2 { text-align: center; letter-spacing: 3px; margin-top: 0; }
.admin-box input { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 15px; font-family: inherit; margin: 8px 0 14px; }
.admin-box button { width: 100%; background: var(--accent); color: #fff; border: none; border-radius: 8px; padding: 11px; font-size: 16px; cursor: pointer; letter-spacing: 2px; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin: 16px 0 24px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px; text-align: center; }
.stat .num { font-size: 26px; color: var(--accent); font-weight: 700; }
.stat .lab { font-size: 13px; color: var(--ink-soft); }
.admin-actions { display: flex; gap: 10px; margin-bottom: 18px; }
.admin-actions button { flex: 1; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 9px; cursor: pointer; font-size: 14px; color: var(--ink); }
.admin-actions button:hover { border-color: var(--accent-soft); color: var(--accent); }

/* 分享卡片（隐藏但可被 html2canvas 渲染） */
.share-card {
  position: fixed;
  left: -9999px;
  top: 0;
  width: 640px;
  background: #fbf9f4;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  color: #2c2822;
}
.share-card-inner {
  padding: 52px 46px 46px;
  background-image:
    radial-gradient(ellipse 32% 120% at 52% 0%, rgba(255,255,255,0.9) 0%, transparent 55%);
}
.share-card-corner {
  position: absolute;
  top: 26px;
  left: 34px;
  width: 34px;
  height: 34px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40'%3E%3Cpath d='M5 30c8-8 14-6 18-14 2-4-2-10 4-12' fill='none' stroke='%23d4b896' stroke-width='1.6'/%3E%3Ccircle cx='9' cy='18' r='2.2' fill='%23e8c15f'/%3E%3Ccircle cx='16' cy='24' r='2' fill='%23e8c15f'/%3E%3Ccircle cx='25' cy='15' r='1.8' fill='%23e8c15f'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.75;
}
.share-card-header { padding-left: 52px; margin-bottom: 34px; text-align: left; }
.share-card-number {
  font-size: 13px;
  color: #6e655a;
  letter-spacing: 1px;
  margin-bottom: 4px;
  font-family: Georgia, serif;
}
.share-card-title {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.3;
}
.share-card-subtitle {
  font-size: 1.2rem;
  font-weight: 600;
  color: #9c5b3b;
  margin-top: 8px;
  letter-spacing: 1px;
}
.share-card-body {
  font-size: 1.15rem;
  line-height: 2.0;
  text-align: left;
  padding: 0 6px;
  margin-bottom: 38px;
}
.share-card-body .stanza { margin-bottom: 1.6em; }
.share-card-body .stanza:last-child { margin-bottom: 0; }
.share-card-body .poem-line { margin: 0; min-height: 2.0em; }
.share-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-top: 1px solid #e5e1d8;
  padding-top: 22px;
}
.share-card-info { text-align: left; }
.share-card-author {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 5px;
}
.share-card-collection {
  font-size: 0.95rem;
  color: #6e655a;
  margin-bottom: 5px;
}
.share-card-url {
  font-size: 0.82rem;
  color: #8a7f70;
  word-break: break-all;
  max-width: 360px;
}
.share-card-qr canvas { display: block; width: 110px; height: 110px; }

/* 分享弹窗 */
.share-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
}
.share-modal.open { display: flex; }
.share-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}
.share-modal-box {
  position: relative;
  background: var(--bg-soft);
  border-radius: 12px;
  padding: 22px 24px 26px;
  max-width: 92vw;
  max-height: 92vh;
  overflow: auto;
  box-shadow: 0 16px 50px rgba(0,0,0,0.25);
  text-align: center;
}
.share-modal-box h3 {
  margin: 0 0 16px;
  font-size: 18px;
  letter-spacing: 2px;
}
.share-modal-close {
  position: absolute;
  top: 8px;
  right: 14px;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--ink-soft);
  cursor: pointer;
}
.share-modal-img-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
  display: inline-block;
  max-width: 100%;
}
.share-modal-img-wrap img {
  max-width: 100%;
  max-height: 58vh;
  display: block;
}
.share-modal-actions {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  justify-content: center;
}
.share-btn-primary, .share-btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
  transition: .2s;
}
.share-btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
}
.share-btn-primary:hover { background: #844a2e; }
.share-btn-secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}
.share-btn-secondary:hover { border-color: var(--accent-soft); color: var(--accent); }

/* 后台：站点信息 + 诗歌管理编辑器 */
.site-editor, .poem-manager {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 26px 28px;
  box-shadow: var(--shadow);
  margin-top: 34px;
}
.site-editor h3, .poem-manager h3 { margin: 0 0 16px; font-size: 18px; color: var(--ink); font-family: var(--font-song); }
.site-editor input, .site-editor textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-song);
  font-size: 15px;
  padding: 9px 12px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
}
.site-editor textarea { resize: vertical; line-height: 1.8; }

.pe-search {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-song);
  font-size: 14px;
  padding: 9px 14px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
}
.pe-list {
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  margin-bottom: 18px;
}
.pe-item {
  display: flex;
  gap: 12px;
  align-items: baseline;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-bottom: 1px solid #eee;
  padding: 9px 14px;
  font-family: var(--font-song);
  font-size: 14px;
  color: var(--ink);
  cursor: pointer;
}
.pe-item:last-child { border-bottom: none; }
.pe-item:hover { background: #f5efe6; }
.pe-no { color: var(--accent-soft); font-variant-numeric: tabular-nums; min-width: 34px; }
.pe-title { flex: 1; }

.pe-editor { border-top: 1px dashed var(--line); padding-top: 18px; }
.pe-editor h4 { margin: 0 0 14px; font-size: 15px; color: var(--accent); font-family: var(--font-song); }
.pe-field { margin-bottom: 14px; }
.pe-field label { display: block; font-size: 13px; color: var(--accent-soft); margin-bottom: 5px; }
.pe-field input, .pe-field select {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-song);
  font-size: 15px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
}
.pe-textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-song);
  font-size: 15px;
  line-height: 1.9;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  resize: vertical;
}
.pe-preview {
  background: #fbf9f4;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 18px 22px;
  margin: 6px 0 16px;
  max-height: 360px;
  overflow-y: auto;
}
.pe-preview-title { font-family: var(--font-song); font-weight: 700; font-size: 16px; margin-bottom: 10px; color: var(--ink); }
.pe-preview-body .stanza { margin-bottom: 16px; }
.pe-preview-body .poem-line { font-family: var(--font-song); font-size: 15px; line-height: 1.9; color: var(--ink); margin: 0; }
.pe-row { display: flex; align-items: center; gap: 14px; }
.pe-row button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 22px;
  padding: 9px 24px;
  font-size: 14px;
  font-family: var(--font-song);
  cursor: pointer;
}
.pe-row button:hover { background: #844a2e; }
.pe-row button:disabled { opacity: .55; cursor: default; }
.pe-status { font-size: 13px; color: var(--accent-soft); }

/* 页脚：联系作者 + 主页二维码 */
.site-footer {
  max-width: 880px; margin: 28px auto 0; padding: 34px 20px 52px;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: flex; flex-wrap: wrap; gap: 26px;
  justify-content: space-between; align-items: flex-start;
}
.footer-block { flex: 1 1 240px; }
.footer-h { font-size: 15px; color: var(--accent); letter-spacing: 2px; margin-bottom: 12px; }
.footer-email {
  display: inline-block; font-size: 16px; color: var(--ink);
  border: 1px solid var(--line); border-radius: 9px; padding: 8px 15px;
  background: var(--bg-soft); transition: .2s; word-break: break-all;
}
.footer-email:hover { color: var(--accent); border-color: var(--accent-soft); }
.footer-note { font-size: 12px; color: var(--ink-soft); margin: 11px 0 0; line-height: 1.6; }
.footer-qr-block { flex: 0 0 auto; text-align: center; }
.footer-qr-img {
  width: 148px; height: 148px; border-radius: 10px; background: #fff;
  padding: 8px; border: 1px solid var(--line); box-shadow: var(--shadow);
}
.footer-qr-save {
  display: inline-block; margin-top: 11px; font-size: 13px; color: var(--accent);
  border: 1px solid var(--accent-soft); border-radius: 18px; padding: 5px 16px;
  transition: .2s;
}
.footer-qr-save:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.footer-copy { margin-top: 26px; text-align: center; font-size: 13px; color: var(--ink-soft); letter-spacing: 1px; }
.footer-beian { margin-top: 8px; text-align: center; font-size: 12px; }
.footer-beian a { color: var(--ink-soft); text-decoration: none; opacity: 0.85; }
.footer-beian a:hover { color: var(--accent, #8a6d3b); opacity: 1; }
.qr-host { position: absolute; left: -9999px; top: 0; width: 0; height: 0; overflow: hidden; }

@media (max-width: 560px) {
  .site-footer { padding: 28px 18px 44px; }
  .footer-grid { flex-direction: column; align-items: center; text-align: center; }
  .footer-block { flex: 1 1 auto; }
  .hero { gap: 18px; padding: 22px 0 10px; }
  .hero-qr-img { width: 92px; height: 92px; }
  .brand-title { font-size: 17px; }
  .poem-detail, .about-box { padding: 30px 22px; }
  .poem-detail h2 { font-size: 1.45rem; }
  .poem-detail .sec-label { font-size: 1.05rem; }
  .poem-body { font-size: 1.05rem; }
  .share-card { width: 100vw; }
  .top-nav a { margin-left: 12px; font-size: 14px; }
}