/* ============================================================
   墨痕 · 中国水墨画风格博客
   ============================================================ */

:root {
  --paper: #f4efe3;
  --paper-dark: #ece5d3;
  --ink: #1c1c1c;
  --ink-soft: #3a3a3a;
  --ink-mist: #8a8a85;
  --cinnabar: #a33327;
  --cinnabar-bright: #c0392b;
  --serif: "Kaiti SC", "KaiTi", "STKaiti", "楷体", "Noto Serif SC", "Songti SC", "SimSun", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--serif);
  color: var(--ink);
  background-color: var(--paper);
  /* 宣纸纹理 */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='2' seed='7'/><feColorMatrix values='0 0 0 0 0.55 0 0 0 0 0.50 0 0 0 0 0.42 0 0 0 0.045 0'/></filter><rect width='240' height='240' filter='url(%23n)'/></svg>");
  line-height: 1.9;
  letter-spacing: 0.04em;
}

a { color: var(--ink); text-decoration: none; }

::selection { background: rgba(163, 51, 39, 0.18); }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.2rem;
  background: rgba(244, 239, 227, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(28, 28, 28, 0.12);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.35em;
}

.nav-links { display: flex; gap: 2rem; list-style: none; }

.brush-link { position: relative; padding-bottom: 4px; }

.brush-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 3px;
  width: 0;
  background: var(--ink);
  border-radius: 50% 40% 60% 30% / 60% 30% 70% 40%;
  transition: width 0.35s ease;
}

.brush-link:hover::after,
.brush-link.active::after { width: 100%; }

.brush-link.active { color: var(--cinnabar); }
.brush-link.active::after { background: var(--cinnabar); }

/* ---------- 印章 ---------- */
.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  background: var(--cinnabar);
  color: #f6f1e4;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.05em;
  text-align: center;
  border-radius: 4px 6px 3px 5px;
  box-shadow: inset 0 0 6px rgba(60, 10, 5, 0.55), 0 1px 3px rgba(0, 0, 0, 0.25);
  transform: rotate(-2deg);
  writing-mode: vertical-rl;
  user-select: none;
}

.seal-small {
  width: 1.9rem;
  height: 1.9rem;
  font-size: 0.8rem;
  writing-mode: horizontal-tb;
  letter-spacing: 0;
}

/* ---------- 首页山水 ---------- */
.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero svg.mountains {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero-title {
  position: relative;
  z-index: 5;
  display: flex;
  flex-direction: row-reverse;
  gap: 1.6rem;
  padding: 2rem;
}

.hero-title h1 {
  writing-mode: vertical-rl;
  font-size: clamp(3rem, 8vw, 5.4rem);
  font-weight: 400;
  letter-spacing: 0.4em;
  color: var(--ink);
  text-shadow: 0 0 22px rgba(244, 239, 227, 0.9), 0 0 8px rgba(244, 239, 227, 0.8);
}

.hero-sub {
  writing-mode: vertical-rl;
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  color: var(--ink-soft);
  letter-spacing: 0.5em;
  padding-top: 0.8rem;
  text-shadow: 0 0 14px rgba(244, 239, 227, 0.95);
}

.hero-seal {
  align-self: flex-end;
  margin-top: 1rem;
  width: 3rem;
  height: 3rem;
  font-size: 1.15rem;
}

/* 山岚飘动 */
.mist {
  animation: drift 26s ease-in-out infinite alternate;
}
.mist2 {
  animation: drift2 34s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translateX(-40px); opacity: 0.55; }
  to   { transform: translateX(60px); opacity: 0.85; }
}

@keyframes drift2 {
  from { transform: translateX(30px); opacity: 0.4; }
  to   { transform: translateX(-70px); opacity: 0.75; }
}

/* 孤舟 */
.boat {
  animation: boat-sway 7s ease-in-out infinite alternate;
  transform-origin: center;
}

@keyframes boat-sway {
  from { transform: translateY(0) rotate(0.6deg); }
  to   { transform: translateY(4px) rotate(-0.8deg); }
}

.scroll-hint {
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  color: var(--ink-soft);
  font-size: 0.85rem;
  letter-spacing: 0.5em;
  opacity: 0.75;
  animation: hint 2.6s ease-in-out infinite;
}

@keyframes hint {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.4; }
  50% { transform: translate(-50%, 8px); opacity: 0.9; }
}

/* ---------- 主体内容 ---------- */
.main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 4rem 1.4rem 3rem;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  margin: 3rem 0 1.8rem;
}

.section-title::after {
  content: "";
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, rgba(28, 28, 28, 0.45), transparent 85%);
  border-radius: 50% 40% 60% 30% / 100% 30% 70% 40%;
}

/* 文章条目 */
.entry {
  position: relative;
  padding: 1.6rem 1.6rem 1.5rem 5.6rem;
  margin-bottom: 1.4rem;
  background: rgba(255, 252, 244, 0.6);
  border: 1px solid rgba(28, 28, 28, 0.1);
  border-radius: 2px 8px 4px 6px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  opacity: 0;
  transform: translateY(14px);
}

.entry.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease, box-shadow 0.3s ease;
}

.entry:hover {
  box-shadow: 0 6px 24px rgba(28, 28, 28, 0.12);
  transform: translateY(-2px);
}

.entry-date {
  position: absolute;
  left: 1.2rem;
  top: 1.5rem;
  width: 3.1rem;
  text-align: center;
}

.entry-date .day {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
}

.entry-date .rest {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-mist);
  letter-spacing: 0.12em;
}

.entry h2 {
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

.entry h2 a:hover { color: var(--cinnabar); }

.entry .excerpt {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 0.7rem;
}

.entry .meta {
  display: flex;
  gap: 1.2rem;
  font-size: 0.8rem;
  color: var(--ink-mist);
}

.tag {
  display: inline-block;
  padding: 0.05rem 0.55rem;
  border: 1px solid rgba(163, 51, 39, 0.5);
  color: var(--cinnabar);
  border-radius: 2px 5px 3px 4px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

/* ---------- 文章页 ---------- */
.post-header {
  text-align: center;
  padding: 4.5rem 1.4rem 2.5rem;
  border-bottom: 1px solid rgba(28, 28, 28, 0.12);
}

.post-header h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.25em;
  margin-bottom: 1rem;
}

.post-header .post-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  color: var(--ink-mist);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
}

.post-body {
  padding: 3rem 1.4rem 2rem;
}

.post-body p {
  margin-bottom: 1.5rem;
  text-align: justify;
  color: var(--ink-soft);
}

/* 首字下沉：各项由后台「版式 · 首字」设置注入 CSS 变量控制 */
.post-body > p:first-of-type::first-letter {
  font-size: var(--dropcap-size, 2em);
  float: var(--dropcap-float, left);
  line-height: var(--dropcap-line-height, 1.05);
  margin: var(--dropcap-margin, 0.05em 0.18em 0 0);
  color: var(--dropcap-color, var(--ink));
  font-weight: var(--dropcap-weight, 400);
  font-family: var(--dropcap-font, inherit);
}

.poem {
  margin: 2.4rem auto;
  padding: 1.8rem 1rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 1.05rem;
  letter-spacing: 0.3em;
  line-height: 2.3;
  max-width: 22rem;
  border-top: 1px solid rgba(28, 28, 28, 0.18);
  border-bottom: 1px solid rgba(28, 28, 28, 0.18);
}

.poem cite {
  display: block;
  margin-top: 0.8rem;
  font-style: normal;
  font-size: 0.82rem;
  color: var(--ink-mist);
  letter-spacing: 0.2em;
}

.post-divider {
  display: flex;
  justify-content: center;
  margin: 2.6rem 0;
  color: var(--ink-mist);
  letter-spacing: 1.2em;
  font-size: 0.9rem;
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 1.4rem 4rem;
  max-width: 46rem;
  margin: 0 auto;
  font-size: 0.9rem;
}

.post-nav a { color: var(--ink-soft); }
.post-nav a:hover { color: var(--cinnabar); }

/* ---------- 关于页 ---------- */
.about-portrait {
  display: flex;
  justify-content: center;
  margin: 3rem 0 1rem;
}

.about-body p { text-align: justify; color: var(--ink-soft); }

/* ---------- 页脚 ---------- */
.footer {
  margin-top: 3rem;
  padding: 2.6rem 1.4rem 2.8rem;
  text-align: center;
  border-top: 1px solid rgba(28, 28, 28, 0.12);
  background: var(--paper-dark);
}

.footer .ink-line {
  width: 9rem;
  height: 3px;
  margin: 0 auto 1.4rem;
  background: linear-gradient(90deg, transparent, var(--ink) 30%, var(--ink) 70%, transparent);
  border-radius: 50% 40% 60% 30% / 100% 40% 70% 40%;
  opacity: 0.7;
}

.footer p {
  color: var(--ink-mist);
  font-size: 0.82rem;
  letter-spacing: 0.25em;
  line-height: 2.1;
}

/* ---------- 页脚访客信息 ---------- */
.visit-ip { color: var(--ink-soft); border-bottom: 1px dotted var(--ink-mist); }
.visit-geo {
  color: var(--cinnabar);
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.1rem 0.35rem;
  border: 1px solid rgba(163, 51, 39, 0.35);
  border-radius: 2px 4px 2px 4px;
}
.visit-n { color: var(--cinnabar); font-weight: 700; }
.footer-admin { margin-top: 0.4rem; }
.footer-admin a { color: var(--ink-mist); font-size: 0.78rem; letter-spacing: 0.4em; opacity: 0.65; }
.footer-admin a:hover { color: var(--cinnabar); opacity: 1; }

/* ---------- 管理后台 ---------- */
.login-box {
  max-width: 23rem;
  margin: 5.5rem auto;
  padding: 2.8rem 2.2rem 2.4rem;
  text-align: center;
  background: rgba(255, 252, 244, 0.72);
  border: 1px solid rgba(28, 28, 28, 0.14);
  border-radius: 2px 8px 4px 6px;
}

.login-title { font-size: 1.4rem; letter-spacing: 0.4em; margin: 1rem 0 1.6rem; }

.field { margin-bottom: 1.1rem; text-align: left; }
.field label {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-mist);
  letter-spacing: 0.15em;
  margin-bottom: 0.35rem;
}

.field-row { display: flex; gap: 1rem; }
.field-row .field { flex: 1; }

input[type="text"], input[type="password"], input[type="date"], textarea {
  width: 100%;
  font-family: var(--serif);
  font-size: 0.95rem;
  line-height: 1.8;
  padding: 0.55rem 0.7rem;
  color: var(--ink);
  background: rgba(255, 252, 244, 0.88);
  border: 1px solid rgba(28, 28, 28, 0.28);
  border-radius: 2px;
}

textarea { resize: vertical; min-height: 14rem; }

input:focus, textarea:focus {
  outline: none;
  border-color: var(--cinnabar);
  box-shadow: 0 0 0 2px rgba(163, 51, 39, 0.12);
}

.btn {
  display: inline-block;
  font-family: var(--serif);
  font-size: 0.95rem;
  letter-spacing: 0.3em;
  padding: 0.5rem 1.6rem;
  color: #f6f1e4;
  background: var(--cinnabar);
  border: none;
  border-radius: 3px 6px 2px 5px;
  cursor: pointer;
  box-shadow: inset 0 0 6px rgba(60, 10, 5, 0.45);
  transition: background 0.25s ease;
}

.btn:hover { background: var(--cinnabar-bright); }

.btn-plain {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid rgba(28, 28, 28, 0.3);
  box-shadow: none;
}

.btn-plain:hover { background: rgba(28, 28, 28, 0.06); color: var(--ink); }

.admin-wrap { max-width: 46rem; margin: 0 auto; padding: 3rem 1.4rem 3.5rem; }

.editor-form {
  background: rgba(255, 252, 244, 0.6);
  border: 1px solid rgba(28, 28, 28, 0.1);
  border-radius: 2px 8px 4px 6px;
  padding: 1.8rem 1.6rem;
  margin-bottom: 3rem;
}

.hint { font-size: 0.78rem; color: var(--ink-mist); margin-top: 0.4rem; line-height: 1.6; }

.form-actions { display: flex; gap: 0.9rem; align-items: center; }

.form-error {
  color: var(--cinnabar);
  background: rgba(163, 51, 39, 0.08);
  border: 1px solid rgba(163, 51, 39, 0.25);
  border-radius: 2px;
  padding: 0.5rem 0.9rem;
  font-size: 0.88rem;
  margin-bottom: 1.2rem;
}

.admin-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
  background: rgba(255, 252, 244, 0.6);
  border: 1px solid rgba(28, 28, 28, 0.1);
  border-radius: 2px 6px 3px 4px;
}

.admin-item-info a { font-size: 1.02rem; letter-spacing: 0.08em; }
.admin-item-info a:hover { color: var(--cinnabar); }
.admin-item-date { display: block; font-size: 0.78rem; color: var(--ink-mist); margin-top: 0.15rem; }
.admin-item-ops { display: flex; gap: 0.9rem; align-items: center; font-size: 0.88rem; }
.admin-item-ops a { color: var(--ink-soft); }
.admin-item-ops a:hover { color: var(--cinnabar); }

.inline-form { display: inline; }
.link-danger {
  font-family: var(--serif);
  font-size: 0.88rem;
  background: none;
  border: none;
  padding: 0;
  color: var(--ink-mist);
  cursor: pointer;
}
.link-danger:hover { color: var(--cinnabar); }

.logout-form { margin-top: 2.5rem; }

/* ---------- 编辑器工具栏 ---------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.65rem;
  margin-bottom: 0.55rem;
  background: rgba(236, 229, 211, 0.72);
  border: 1px solid rgba(28, 28, 28, 0.18);
  border-radius: 2px 6px 3px 5px;
}

.tb-btn {
  font-family: var(--serif);
  min-width: 2.2rem;
  height: 2.2rem;
  padding: 0 0.55rem;
  font-size: 0.92rem;
  color: var(--ink);
  background: rgba(255, 252, 244, 0.92);
  border: 1px solid rgba(28, 28, 28, 0.28);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.tb-btn:hover { color: var(--cinnabar); border-color: var(--cinnabar); }

.tb-b { font-weight: 700; font-family: Georgia, serif; }
.tb-i { font-style: italic; font-family: Georgia, serif; }
.tb-u { text-decoration: underline; font-family: Georgia, serif; }

.tb-sep { width: 1px; height: 1.5rem; background: rgba(28, 28, 28, 0.22); }

.tb-select {
  font-family: var(--serif);
  height: 2.2rem;
  padding: 0 0.4rem;
  font-size: 0.85rem;
  color: var(--ink);
  background: rgba(255, 252, 244, 0.92);
  border: 1px solid rgba(28, 28, 28, 0.28);
  border-radius: 2px;
  cursor: pointer;
}

.tb-select:hover { border-color: var(--cinnabar); }

/* 颜色下拉项前置色点 */
#tb-color option { padding-left: 1.1em; }
#tb-color option[value="朱砂"] { color: #a33327; }
#tb-color option[value="黛青"] { color: #2f4a5e; }
#tb-color option[value="竹绿"] { color: #3d6b52; }
#tb-color option[value="藤黄"] { color: #b8860b; }
#tb-color option[value="绛紫"] { color: #6b4a8a; }
#tb-color option[value="墨灰"] { color: #6a6a66; }

.empty-tip { color: var(--ink-mist); padding: 1.5rem 0; letter-spacing: 0.1em; }

/* 文章内小标题 */
.post-h2 {
  font-size: 1.15rem;
  letter-spacing: 0.2em;
  margin: 2.2rem 0 1.1rem;
  padding-left: 0.8rem;
  border-left: 3px solid var(--cinnabar);
  border-radius: 2px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .nav { padding: 0.8rem 1.2rem; }
  .nav-brand { font-size: 1.05rem; letter-spacing: 0.2em; }
  .nav-links { gap: 1.1rem; font-size: 0.9rem; }
  .hero { min-height: 58vh; }
  .entry { padding-left: 1.4rem; padding-top: 4.4rem; }
  .entry-date {
    top: 1rem;
    left: 1.4rem;
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    width: auto;
  }
  .field-row { flex-direction: column; gap: 0; }
  .admin-item { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
  .dc-color-row { flex-wrap: wrap; }
}

/* ---------- 版式设置（首字下沉） ---------- */
.settings-form {
  background: rgba(255, 252, 244, 0.6);
  border: 1px solid rgba(28, 28, 28, 0.1);
  border-radius: 2px 8px 4px 6px;
  padding: 1.8rem 1.6rem;
  margin-bottom: 3rem;
}

.settings-form select,
.editor-form > .field > select {
  width: 100%;
  font-family: var(--serif);
  font-size: 0.92rem;
  color: var(--ink);
  background: rgba(255, 252, 244, 0.88);
  border: 1px solid rgba(28, 28, 28, 0.28);
  border-radius: 2px;
  padding: 0.55rem 0.6rem;
  cursor: pointer;
}

.settings-form select:focus,
.editor-form > .field > select:focus { outline: none; border-color: var(--cinnabar); }

.dc-num { color: var(--cinnabar); font-weight: 700; }

.dc-range {
  width: 100%;
  margin: 0.7rem 0 0.2rem;
  accent-color: var(--cinnabar);
  cursor: pointer;
}

.dc-color-row { display: flex; align-items: center; gap: 0.9rem; }

input[type="color"] {
  width: 3.2rem;
  height: 2.4rem;
  padding: 0.15rem;
  background: rgba(255, 252, 244, 0.88);
  border: 1px solid rgba(28, 28, 28, 0.28);
  border-radius: 2px;
  cursor: pointer;
}

.dc-swatches { display: flex; gap: 0.45rem; flex-wrap: wrap; }

.dc-swatch {
  width: 1.55rem;
  height: 1.55rem;
  border: 1px solid rgba(28, 28, 28, 0.22);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dc-swatch:hover { transform: scale(1.15); box-shadow: 0 0 0 2px rgba(163, 51, 39, 0.25); }

.dc-preview {
  margin: 1.3rem 0 0.5rem;
  padding: 1.3rem 1.5rem;
  background: rgba(255, 253, 246, 0.85);
  border: 1px solid rgba(28, 28, 28, 0.12);
  border-left: 3px solid var(--cinnabar);
  border-radius: 2px 6px 3px 5px;
  color: var(--ink-soft);
  line-height: 2;
  text-align: justify;
  font-size: 0.95rem;
}

.dc-preview::first-letter {
  font-size: var(--dropcap-size, 2em);
  float: var(--dropcap-float, left);
  line-height: var(--dropcap-line-height, 1.05);
  margin: var(--dropcap-margin, 0.05em 0.18em 0 0);
  color: var(--dropcap-color, var(--ink));
  font-weight: var(--dropcap-weight, 400);
  font-family: var(--dropcap-font, inherit);
}

.form-ok {
  color: #3d6b52;
  background: rgba(61, 107, 82, 0.08);
  border: 1px solid rgba(61, 107, 82, 0.25);
  border-radius: 2px;
  padding: 0.5rem 0.9rem;
  font-size: 0.88rem;
  margin-bottom: 1.2rem;
}

/* ---------- 文章排版预览 ---------- */
.pv-eye-icon {
  width: 1.05rem;
  height: 1.05rem;
  vertical-align: -0.18rem;
  flex: none;
}

.tb-preview, #btn-preview {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.tb-preview:hover, #btn-preview:hover { color: var(--cinnabar); border-color: var(--cinnabar); }

.pv-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
  background: rgba(20, 20, 20, 0.55);
  backdrop-filter: blur(3px);
}

.pv-overlay[hidden] { display: none; }
body.pv-locked { overflow: hidden; }

.pv-panel {
  width: min(56rem, 100%);
  height: min(88vh, 52rem);
  display: flex;
  flex-direction: column;
  background-color: var(--paper);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='2' seed='7'/><feColorMatrix values='0 0 0 0 0.55 0 0 0 0 0.50 0 0 0 0 0.42 0 0 0 0.045 0'/></filter><rect width='240' height='240' filter='url(%23n)'/></svg>");
  border: 1px solid rgba(28, 28, 28, 0.25);
  border-radius: 3px 10px 4px 8px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.pv-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.1rem;
  background: var(--paper-dark);
  border-bottom: 1px solid rgba(28, 28, 28, 0.15);
  flex: none;
}

.pv-bar-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
}

.pv-bar-ops { display: flex; gap: 0.5rem; align-items: center; }

.pv-btn {
  font-family: var(--serif);
  font-size: 0.82rem;
  padding: 0.35rem 0.8rem;
  color: var(--ink);
  background: rgba(255, 252, 244, 0.9);
  border: 1px solid rgba(28, 28, 28, 0.28);
  border-radius: 2px;
  cursor: pointer;
}

.pv-btn:hover { color: var(--cinnabar); border-color: var(--cinnabar); }
.pv-close { font-size: 1.3rem; line-height: 1; padding: 0.2rem 0.7rem; }

.pv-scroll { flex: 1; overflow-y: auto; padding: 0 1rem 2rem; }
.pv-paper { max-width: 44rem; margin: 0 auto; }

.pv-head {
  text-align: center;
  padding: 2.4rem 1rem 1.4rem;
  border-bottom: 1px solid rgba(28, 28, 28, 0.12);
}

.pv-head h1 {
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.22em;
  margin-bottom: 0.8rem;
}

.pv-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  color: var(--ink-mist);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
}

.pv-tip { margin-top: 1rem; font-size: 0.74rem; color: var(--ink-mist); letter-spacing: 0.08em; }
.pv-loading, .pv-empty { text-align: center; color: var(--ink-mist); padding: 3rem 0; letter-spacing: 0.1em; }

@media (max-width: 640px) {
  .pv-overlay { padding: 0; }
  .pv-panel { width: 100%; height: 100%; border-radius: 0; }
  .pv-bar-title { font-size: 0.8rem; }
  .pv-head { padding: 1.8rem 0.6rem 1.1rem; }
}

/* ---------- 后台锚点导航 ---------- */
.admin-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.2rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed rgba(28, 28, 28, 0.18);
}

.admin-jump a {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  padding: 0.28rem 0.75rem;
  border: 1px solid rgba(28, 28, 28, 0.2);
  border-radius: 2px 5px 2px 5px;
  background: rgba(255, 252, 244, 0.55);
  transition: background 0.2s ease, color 0.2s ease;
}

.admin-jump a:hover { color: #f6f1e4; background: var(--cinnabar); border-color: var(--cinnabar); }

/* ---------- 安全 · 修改密码 ---------- */
.security-form {
  background: rgba(255, 252, 244, 0.6);
  border: 1px solid rgba(28, 28, 28, 0.1);
  border-radius: 2px 8px 4px 6px;
  padding: 1.8rem 1.6rem;
  margin-bottom: 2.4rem;
}

.sec-state {
  font-size: 0.84rem;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
  line-height: 1.9;
  margin-bottom: 1.4rem;
  padding: 0.7rem 0.95rem;
  background: rgba(236, 229, 211, 0.5);
  border-left: 3px solid var(--cinnabar);
  border-radius: 2px 5px 3px 4px;
}

.sec-ok { color: #3d6b52; font-weight: 700; }
.sec-warn { color: var(--cinnabar); font-weight: 700; }
.sec-detail { display: block; font-size: 0.76rem; color: var(--ink-mist); margin-top: 0.2rem; }

.pwd-wrap { position: relative; }
.pwd-wrap input { padding-right: 4.4rem; }

.pwd-toggle {
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--serif);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink-mist);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 2px;
  padding: 0.22rem 0.5rem;
  cursor: pointer;
}

.pwd-toggle:hover { color: var(--cinnabar); border-color: rgba(163, 51, 39, 0.3); }
.pwd-toggle.is-on { color: var(--cinnabar); }

.pwd-meter {
  min-height: 1.3rem;
  margin-top: -0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--ink-mist);
}

.pwd-meter.lv0, .pwd-meter.lv1 { color: var(--cinnabar); }
.pwd-meter.lv2 { color: #6a6a66; }
.pwd-meter.lv3 { color: #3d6b52; }

@media (max-width: 640px) {
  .admin-jump { gap: 0.35rem; }
  .admin-jump a { letter-spacing: 0.08em; padding: 0.25rem 0.55rem; }
}