:root {
  --paper: #f7f3ec;
  --paper-deep: #efe9dd;
  --ink: #2b2a26;
  --ink-soft: #5a564e;
  --ink-faint: #8a857a;
  --seal: #9e2b25;
  --line: #d9d2c4;
  --card: #fffdf8;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(247, 243, 236, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; height: 58px;
}
.nav-brand { font-size: 17px; font-weight: 700; color: var(--ink); text-decoration: none; letter-spacing: 2px; }
.nav-links { display: flex; gap: 26px; }
.nav-links a { color: var(--ink-soft); text-decoration: none; font-size: 15px; letter-spacing: 1px; }
.nav-links a:hover { color: var(--seal); }
.nav-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--ink); cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  min-height: 92vh; display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(255,255,255,.55), transparent),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
  text-align: center; padding: 90px 20px 40px; position: relative;
}
.hero-inner { max-width: 720px; }
.hero-portrait { margin: 0 auto 26px; }
.seal-block {
  width: 110px; height: 110px; margin: 0 auto;
  background: var(--seal); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(158, 43, 37, .28);
  transform: rotate(-2deg);
}
.seal-char { color: #f7f3ec; font-size: 58px; font-weight: 700; }
.hero-portrait img {
  width: 210px; height: 280px; object-fit: cover; border-radius: 8px;
  border: 6px solid var(--card); box-shadow: 0 10px 40px rgba(43,42,38,.18);
}
.hero-name { font-size: 58px; letter-spacing: 18px; text-indent: 18px; font-weight: 700; margin: 8px 0 6px; }
.hero-dates { font-size: 18px; color: var(--ink-soft); letter-spacing: 4px; }
.hero-age { font-size: 15px; color: var(--ink-faint); margin-top: 4px; }
.hero-epitaph { margin: 26px 0 14px; }
.epitaph-seal {
  display: inline-block; border: 2px solid var(--seal); color: var(--seal);
  padding: 8px 26px; font-size: 21px; letter-spacing: 6px; text-indent: 6px;
  border-radius: 4px; background: rgba(158,43,37,.05);
}
.hero-intro { color: var(--ink-soft); font-size: 16px; max-width: 520px; margin: 0 auto; }
.hero-scroll {
  margin-top: 46px; font-size: 13px; color: var(--ink-faint); letter-spacing: 3px;
  animation: drift 2.4s ease-in-out infinite;
}
@keyframes drift { 0%,100% { transform: translateY(0) } 50% { transform: translateY(6px) } }

/* ---------- 区块 ---------- */
.section { max-width: 1100px; margin: 0 auto; padding: 78px 20px; }
.section-alt { background: var(--paper-deep); max-width: none; }
.section-alt > * { max-width: 1100px; margin-left: auto; margin-right: auto; }
.section-head { text-align: center; margin-bottom: 46px; }
.section-head h2 { font-size: 32px; letter-spacing: 10px; text-indent: 10px; font-weight: 700; }
.sec-mark {
  display: inline-block; width: 12px; height: 12px; background: var(--seal);
  border-radius: 2px; margin-right: 14px; transform: rotate(45deg); vertical-align: 4px;
}
.section-sub { color: var(--ink-faint); margin-top: 10px; font-size: 15px; letter-spacing: 2px; }

/* ---------- 时间线 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(180deg, var(--seal), var(--line));
}
.tl-item { position: relative; margin-bottom: 40px; }
.tl-item::before {
  content: ""; position: absolute; left: -32px; top: 14px; width: 10px; height: 10px;
  background: var(--paper); border: 3px solid var(--seal); border-radius: 50%;
}
.tl-period { font-size: 14px; color: var(--seal); letter-spacing: 3px; font-weight: 600; }
.tl-title { font-size: 21px; font-weight: 700; margin: 4px 0 8px; letter-spacing: 1px; }
.tl-text { color: var(--ink-soft); font-size: 16px; text-align: justify; }

/* ---------- 影像记忆（折叠相册） ---------- */
.memories-body { text-align: center; }
.mem-empty {
  padding: 40px 20px; color: var(--ink-faint); font-size: 15px;
  border: 1px dashed var(--line); border-radius: 10px; background: var(--card);
}
.album {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  margin-bottom: 14px; overflow: hidden; text-align: left;
}
.album-head {
  display: flex; align-items: center; gap: 16px; padding: 12px 18px;
  cursor: pointer; user-select: none;
}
.album-head:hover { background: rgba(158,43,37,.04); }
.album-covers { display: flex; gap: 6px; flex: 1; min-width: 0; }
.album-covers img {
  width: 52px; height: 52px; object-fit: cover; border-radius: 6px;
  border: 1px solid var(--line);
}
.album-title { min-width: 110px; }
.album-name { font-size: 18px; font-weight: 700; letter-spacing: 2px; }
.album-count { font-size: 13px; color: var(--ink-faint); }
.album-arrow {
  font-size: 14px; color: var(--ink-faint); transition: transform .25s;
}
.album.open .album-arrow { transform: rotate(180deg); }
.album-body { display: none; padding: 4px 18px 18px; }
.album.open .album-body { display: block; }
.mem-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px;
}
.mem-grid img {
  width: 100%; height: 200px; object-fit: cover; border-radius: 8px; cursor: zoom-in;
  border: 1px solid var(--line); transition: transform .25s;
  background: var(--paper-deep);
}
.mem-grid img:hover { transform: scale(1.03); }
.mem-more {
  margin-top: 12px; width: 100%; border: 1px dashed var(--line); background: none;
  border-radius: 8px; padding: 10px; font-family: inherit; font-size: 14px;
  color: var(--ink-soft); cursor: pointer; letter-spacing: 2px;
}
.mem-more:hover { color: var(--seal); border-color: var(--seal); }

/* ---------- 书画作品 ---------- */
.works-filter { display: flex; gap: 10px; justify-content: center; margin-bottom: 26px; }
.filter-btn {
  border: 1px solid var(--line); background: var(--card); color: var(--ink-soft);
  padding: 7px 22px; border-radius: 999px; cursor: pointer; font-size: 14px;
  font-family: inherit; letter-spacing: 2px;
}
.filter-btn.active { background: var(--seal); border-color: var(--seal); color: #fff; }
.works-grid {
  column-count: 3; column-gap: 18px;
}
@media (max-width: 960px) { .works-grid { column-count: 2; } }
@media (max-width: 620px) { .works-grid { column-count: 1; } }
.work-card {
  break-inside: avoid; margin-bottom: 18px; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
  box-shadow: 0 2px 12px rgba(43,42,38,.06);
}
.work-card img { width: 100%; display: block; cursor: zoom-in; background: #e8e2d5; }
.work-body { padding: 14px 16px 16px; }
.work-title { font-size: 17px; font-weight: 700; letter-spacing: 1px; }
.work-meta { font-size: 13px; color: var(--ink-faint); margin-top: 4px; }
.work-actions { margin-top: 12px; display: flex; align-items: center; gap: 10px; }
.btn {
  border: none; border-radius: 6px; cursor: pointer; font-family: inherit;
  padding: 8px 18px; font-size: 14px; letter-spacing: 1px;
}
.btn-primary { background: var(--seal); color: #fff; }
.btn-primary:hover { background: #7f1f1a; }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--ink-soft); }
.work-status { font-size: 13px; }
.work-status.available { color: #2e7d32; }
.work-status.claimed { color: var(--ink-faint); }

/* ---------- 祭文卷轴（古式横卷 · 竖排 · 自右向左展开） ---------- */
.eulogy-section { background: linear-gradient(180deg, #efe9dd, #e9e2d2); }

/* 书法按钮「展卷」 */
.shufa-btn {
  display: inline-flex; gap: 4px; align-items: center; justify-content: center;
  writing-mode: vertical-rl; letter-spacing: 6px;
  background: linear-gradient(180deg, #9e2b25, #7c1e19);
  color: #f7f1e3; border: none; cursor: pointer;
  font-family: "MaShanZheng", "Kaiti SC", "STKaiti", serif;
  font-size: 44px; line-height: 1;
  padding: 22px 16px; border-radius: 10px;
  box-shadow: 0 6px 22px rgba(158,43,37,.35), inset 0 0 0 2px rgba(247,241,227,.28);
  transition: transform .3s, box-shadow .3s;
}
.shufa-btn:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(158,43,37,.45), inset 0 0 0 2px rgba(247,241,227,.4); }
.shufa-btn:active { transform: translateY(0); }

/* 卷轴舞台 */
.hs-stage { max-width: 980px; margin: 0 auto; padding: 10px 0 4px; }
.hs-scroll {
  position: relative; height: 560px;
  background: linear-gradient(180deg, #d8cfbc, #cfc4ac);
  border-radius: 14px;
  box-shadow: inset 0 2px 14px rgba(60,40,15,.28), 0 14px 40px rgba(60,40,15,.18);
  overflow: hidden;
}
@media (max-width: 720px) { .hs-scroll { height: 470px; } }

/* 竖轴杆（左右各一，随展开移动的左杆） */
.hs-rod {
  position: absolute; top: -8px; bottom: -8px; width: 26px; z-index: 3;
  background: linear-gradient(90deg, #7a5535, #3e2a18 45%, #6b4a2f 80%, #2e1f10);
  box-shadow: 2px 0 10px rgba(0,0,0,.4);
}
.hs-rod .knob {
  position: absolute; left: 50%; width: 36px; height: 36px; margin-left: -18px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #8a5c36, #2e1f10 70%);
  box-shadow: 0 2px 8px rgba(0,0,0,.5), inset 0 0 5px rgba(255,220,160,.25);
}
.hs-rod .knob.top { top: -12px; } .hs-rod .knob.bottom { bottom: -12px; }
.hs-rod.right { right: 0; }
.hs-rod.left { left: calc(100% - 44px); z-index: 4; }

/* 卷芯纸面：right 固定贴右杆，left 由 JS 从右向左推进（古例展开） */
.hs-paper {
  position: absolute; top: 6px; bottom: 6px;
  left: calc(100% - 44px); right: 24px;
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg, rgba(160,130,80,.05) 0 1px, transparent 1px 5px),
    linear-gradient(90deg, #f9f5ea, #f4eeda);
  box-shadow: -10px 0 24px -10px rgba(90,60,20,.45), 12px 0 24px -10px rgba(90,60,20,.3);
}
.hs-inner {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: max-content;
  writing-mode: vertical-rl;
  padding: 34px 42px;
  font-family: "Kaiti SC", "STKaiti", "KaiTi", "Noto Serif SC", serif;
  font-size: 19px; line-height: 2.35; letter-spacing: 2px;
  color: #3a352c; text-align: start;
}
.eulogy-title-v {
  font-family: "MaShanZheng", "Kaiti SC", serif;
  font-size: 44px; letter-spacing: 14px; color: #2f2a22;
  margin-left: 26px; padding-left: 4px;
  border-left: 1px solid rgba(120,90,50,.25);
}
.eulogy-author-v {
  font-size: 15px; color: var(--ink-faint); margin-left: 16px; letter-spacing: 4px;
}
.hs-inner p { margin: 0 0 0 22px; text-indent: 0; }
.eulogy-sign-v {
  margin-left: 30px; color: var(--seal); font-size: 16px; letter-spacing: 3px;
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.seal-mini {
  writing-mode: horizontal-tb;
  background: var(--seal); color: #f7f1e3; border-radius: 6px;
  font-family: "MaShanZheng","Kaiti SC",serif;
  padding: 10px 8px; font-size: 20px; letter-spacing: 4px;
  box-shadow: 0 3px 10px rgba(158,43,37,.4);
  transform: rotate(-2deg);
}
.speak-sentence.active { background: rgba(158,43,37,.16); }

.eulogy-controls { text-align: center; margin-top: 26px; display: flex; gap: 16px; justify-content: center; align-items: stretch; }
.btn-voice { background: #3e2a18; color: #f3edda; letter-spacing: 3px; align-self: center; }
.btn-voice:hover { background: #2e1f10; }
.btn-voice.speaking { background: var(--seal); }

/* 展开按钮隐藏态 */
.shufa-btn.hidden { display: none; }

/* 卷芯展阅：拖拽/滚轮平移 */
.hs-scroll.pannable { cursor: grab; touch-action: pan-y; }
.hs-scroll.pannable.grabbing { cursor: grabbing; }
.hs-inner { user-select: none; -webkit-user-select: none; }
.hs-hint {
  text-align: center; margin-top: 14px;
  font-size: 13px; letter-spacing: 2px; color: var(--ink-faint);
}
.hs-hint .hint-arrow { display: inline-block; animation: hintSlide 2.2s ease-in-out infinite; }
@keyframes hintSlide { 0%,100% { transform: translateX(0); opacity:.6; } 50% { transform: translateX(-8px); opacity:1; } }

/* ---------- 追思 ---------- */
.tributes { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.tribute-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 26px 24px; position: relative;
}
.tribute-card::before {
  content: "「"; position: absolute; top: 10px; left: 14px;
  font-size: 34px; color: var(--seal); opacity: .35; font-weight: 700;
}
.tribute-title { font-size: 17px; font-weight: 700; margin-bottom: 10px; letter-spacing: 1px; }
.tribute-text { font-size: 15px; color: var(--ink-soft); text-align: justify; }
.tribute-author { margin-top: 14px; font-size: 13px; color: var(--seal); text-align: right; letter-spacing: 1px; }

/* ---------- 留言 ---------- */
.msg-form {
  display: flex; flex-direction: column; gap: 12px; max-width: 640px;
  margin: 0 auto 40px; background: var(--card); padding: 24px;
  border: 1px solid var(--line); border-radius: 10px;
}
.msg-form input, .msg-form textarea {
  font-family: inherit; font-size: 15px; padding: 10px 14px;
  border: 1px solid var(--line); border-radius: 6px; background: var(--paper);
  color: var(--ink); resize: vertical;
}
.msg-form textarea { min-height: 90px; }
.msg-form .btn { align-self: flex-start; }
.form-tip { font-size: 14px; color: #2e7d32; }
.form-tip.err { color: var(--seal); }
.msg-list { display: grid; gap: 14px; max-width: 640px; margin: 0 auto; }
.msg-item { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px 20px; }
.msg-head { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-faint); margin-bottom: 6px; }
.msg-name { color: var(--ink); font-weight: 700; font-size: 15px; }
.msg-text { font-size: 15px; color: var(--ink-soft); }

/* ---------- 关于 ---------- */
.about-body { max-width: 720px; margin: 0 auto; color: var(--ink-soft); font-size: 16px; }
.about-body p { margin-bottom: 14px; }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--ink); color: #cfc9bd; text-align: center;
  padding: 44px 20px; font-size: 15px; letter-spacing: 2px;
}
.footer-fine { margin-top: 10px; font-size: 13px; color: #8a857a; }

/* ---------- 灯箱 / 弹窗 ---------- */
.lightbox[hidden], .modal[hidden] { display: none !important; }
.lightbox {
  position: fixed; inset: 0; z-index: 200; background: rgba(20,19,17,.92);
  display: flex; align-items: center; justify-content: center; flex-direction: column; padding: 30px;
}
.lightbox img { max-width: 92vw; max-height: 82vh; object-fit: contain; border-radius: 4px; }
.lb-info { color: #d8d2c6; margin-top: 14px; font-size: 15px; letter-spacing: 1px; }
.lb-close {
  position: absolute; top: 18px; right: 26px; background: none; border: none;
  color: #fff; font-size: 34px; cursor: pointer; line-height: 1;
}
.modal {
  position: fixed; inset: 0; z-index: 210; background: rgba(20,19,17,.55);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-box {
  background: var(--card); border-radius: 12px; padding: 30px 28px;
  width: 100%; max-width: 440px; position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.modal-box h3 { font-size: 20px; letter-spacing: 2px; margin-bottom: 4px; }
.modal-sub { color: var(--seal); font-size: 15px; margin-bottom: 16px; }
.modal-box form { display: flex; flex-direction: column; gap: 12px; }
.modal-box input, .modal-box textarea {
  font-family: inherit; font-size: 15px; padding: 10px 14px;
  border: 1px solid var(--line); border-radius: 6px; background: var(--paper); color: var(--ink);
}
.modal-privacy { font-size: 13px; color: var(--ink-faint); }
.modal-box .btn { margin-top: 4px; }
.modal-box .lb-close { color: var(--ink-faint); top: 10px; right: 14px; }

/* ---------- 移动端 ---------- */
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 58px; left: 0; right: 0;
    background: var(--card); border-bottom: 1px solid var(--line);
    flex-direction: column; gap: 0; padding: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 24px; }
  .hero-name { font-size: 40px; letter-spacing: 10px; text-indent: 10px; }
  .section { padding: 56px 18px; }
  .section-head h2 { font-size: 26px; }
}