/* ============ CNU 视觉联盟风格 · 黑白灰极简 ============ */
:root {
  --bg: #ffffff;
  --bg-soft: #f6f6f6;
  --line: #e5e5e5;
  --text: #111111;
  --text-2: #777777;
  --accent: #111111;
  --accent-ink: #ffffff; /* accent 作背景时的前景色（自定义主色下自动切换） */
  --nav-bg: rgba(255,255,255,.96);
  --panel: #ffffff;
  --gap: 20px;
  --sb-thumb: rgba(17,17,17,.30);      /* 桌面端右侧滚动条滑块（亮色基底） */
  --sb-thumb-hover: rgba(17,17,17,.55);
}
/* 黑色风格 */
html.theme-dark {
  --bg: #0e0e0e;
  --bg-soft: #171717;
  --line: #2b2b2b;
  --text: #ececec;
  --text-2: #8f8f8f;
  --accent: #ececec;
  --accent-ink: #111111;
  --nav-bg: rgba(14,14,14,.96);
  --panel: #161616;
  --sb-thumb: rgba(236,236,236,.28);   /* 滚动条滑块（暗色基底） */
  --sb-thumb-hover: rgba(236,236,236,.55);
}
@font-face {
  font-family: "Smiley Sans";
  src: url("/fonts/SmileySans.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Smiley Sans", "得意黑", "PingFang SC", "Helvetica Neue", Helvetica, Arial, sans-serif;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.hidden { display: none !important; }
[hidden] { display: none !important; } /* 保证 hidden 属性不被 display:block 等规则覆盖 */
.fade-in { animation: fadeIn .25s ease both; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---- 桌面端右侧滚动条：细条样式，滑块随主题明暗自适应 ---- */
@media (hover: hover) and (pointer: fine) {
  * { scrollbar-width: thin; scrollbar-color: var(--sb-thumb) transparent; }
  *::-webkit-scrollbar { width: 8px; height: 8px; }
  *::-webkit-scrollbar-track { background: transparent; }
  *::-webkit-scrollbar-thumb {
    background: var(--sb-thumb);
    border-radius: 8px;
  }
  *::-webkit-scrollbar-thumb:hover { background: var(--sb-thumb-hover); }
  *::-webkit-scrollbar-corner { background: transparent; }
}

/* ---- 顶部导航 ---- */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.nav-inner {
  max-width: 1440px; margin: 0 auto;
  padding: 0 32px; height: 60px;
  display: flex; align-items: center; justify-content: space-between;
}
/* 品牌点缀取 var(--accent)：黑白风格与自定义背景色下均为中性文字色（自定义色只染背景、不染文字） */
.logo { font-size: 17px; font-weight: 700; letter-spacing: .12em; color: var(--accent); }
.menu { display: flex; gap: 36px; }
.menu a {
  font-size: 14px; color: var(--text-2);
  padding: 6px 0; border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.menu a:hover, .menu a.active { color: var(--accent); border-color: var(--accent); }
.admin-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: transparent; border: 1px solid var(--line);
  transition: border-color .2s;
}
.admin-dot:hover { border-color: var(--text-2); }

/* ---- 顶栏搜索框 ---- */
.nav-search input[type=search] {
  width: 220px; height: 32px;
  border: 1px solid var(--line); background: var(--panel); color: var(--text);
  font-size: 12.5px; font-family: inherit; padding: 0 12px; outline: none;
  letter-spacing: .04em; transition: border-color .2s, width .25s ease;
}
.nav-search input[type=search]:focus { border-color: var(--accent); width: 260px; }
.nav-search input[type=search]::placeholder { color: var(--text-2); }
.nav-search input[type=search]::-webkit-search-cancel-button { -webkit-appearance: none; cursor: pointer; }
@media (max-width: 860px) { .nav-search input[type=search] { width: 130px; } }

/* ---- 顶栏右侧：外观设置 ---- */
.nav-right { display: flex; align-items: center; gap: 16px; }
.theme-btn {
  position: relative; width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--line); color: var(--text-2);
  transition: color .2s, border-color .2s;
}
.theme-btn:hover { color: var(--accent); border-color: var(--text-2); }
/* 一键全屏按钮：仅桌面（hover+精确指针）显示，触屏设备隐藏 */
.fs-btn {
  display: none;
  align-items: center; justify-content: center;
  width: 30px; height: 30px; flex: none;
  background: transparent; border: 1px solid var(--line); color: var(--text-2);
  padding: 0; cursor: pointer;
  transition: color .2s, border-color .2s;
}
.fs-btn:hover { color: var(--accent); border-color: var(--text-2); }
@media (hover: hover) and (pointer: fine) { .fs-btn { display: flex; } }
.theme-pop {
  position: absolute; top: calc(100% + 12px); right: 0; z-index: 160;
  background: var(--panel); border: 1px solid var(--line);
  min-width: 176px; padding: 0 0 6px; box-shadow: 0 10px 30px rgba(0,0,0,.16);
  animation: fadeIn .18s ease both;
}
.theme-title {
  font-size: 11px; color: var(--text-2); letter-spacing: .12em;
  padding: 8px 14px; border-bottom: 1px solid var(--line); margin-bottom: 4px;
}
.theme-opt {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 14px; font-size: 12.5px; color: var(--text-2);
  cursor: pointer; letter-spacing: .05em; transition: color .15s;
}
.theme-opt:hover { color: var(--text); background: var(--bg-soft); }
.theme-dot { width: 12px; height: 12px; border-radius: 50%; border: 1px solid var(--line); }
.theme-dot.dot-light { background: #fff; }
.theme-dot.dot-dark { background: #111; }
html.theme-dark .theme-dot.dot-light { background: #fff; }
html.theme-dark .theme-dot.dot-dark { background: #0a0a0a; border-color: #3a3a3a; }
.theme-opt.theme-cur { color: var(--text); }
.theme-opt.theme-cur .theme-dot { box-shadow: 0 0 0 2px var(--panel), 0 0 0 3px var(--accent); }
/* 自定义色彩（色轮）选项 */
.theme-cust { border-top: 1px solid var(--line); margin-top: 4px; }
.theme-swatch {
  width: 18px; height: 18px; border-radius: 50%; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: conic-gradient(#ff5f5f, #ffb84d, #d9e64d, #4dd96b, #4db3ff, #8f5fff, #ff5fc8, #ff5f5f);
  border: 1px solid rgba(0,0,0,.18);
}
html.theme-dark .theme-swatch { border-color: rgba(255,255,255,.22); }
.theme-swatch .ts-ring {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--panel); box-shadow: inset 0 0 0 1px var(--line);
  transition: background .15s;
}
.theme-opt.theme-cur .theme-swatch { box-shadow: 0 0 0 2px var(--panel), 0 0 0 3px var(--accent); }
/* 内嵌色轮区（自定义色彩行下方，展开显示） */
.theme-wheel { padding: 4px 14px 0; }
.theme-wheel canvas {
  display: block; margin: 0 auto; border-radius: 50%;
  touch-action: none; user-select: none; cursor: crosshair;
}
.tw-preview { display: flex; align-items: center; gap: 8px; margin-top: 9px; }
.tw-swatch {
  width: 18px; height: 18px; border-radius: 4px; flex: none;
  border: 1px solid var(--line); background: #3b82f6;
}
.tw-hex {
  font-size: 11px; color: var(--text-2); letter-spacing: .05em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
/* 明度滑条（单点色轮下方的明暗调节） */
.tw-bar { margin-top: 10px; }
.tw-bar input[type="range"] {
  display: block; width: 100%; height: 12px; -webkit-appearance: none; appearance: none;
  background: linear-gradient(90deg, #000, #3b82f6); border-radius: 6px;
  border: 1px solid rgba(128,128,128,.35); outline: none; cursor: pointer;
}
.tw-bar input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 14px; height: 14px; border-radius: 50%;
  background: var(--cur, #fff); border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(0,0,0,.45); cursor: grab;
}
.tw-bar input[type="range"]::-webkit-slider-thumb:active { cursor: grabbing; }
.tw-bar input[type="range"]::-moz-range-thumb {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--cur, #fff); border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(0,0,0,.45); cursor: grab;
}
.tw-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 10px; }
/* 吸管取色按钮：置于操作行最左，取消/确定仍在右侧 */
.tw-pip { margin-right: auto; }
.tw-pip[disabled] { opacity: .5; cursor: default; }
.tw-tip {
  font-size: 11px; color: var(--text-2); margin-top: 8px; letter-spacing: .02em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.tw-btn {
  font-size: 11.5px; line-height: 1; padding: 6px 12px; border-radius: 4px;
  background: transparent; border: 1px solid var(--line); color: var(--text-2);
  cursor: pointer; transition: color .15s, border-color .15s, opacity .15s;
}
.tw-btn:hover { color: var(--text); border-color: var(--text-2); }
.tw-btn.tw-ok { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.tw-btn.tw-ok:hover { opacity: .85; }
.theme-fixed { position: fixed; top: 14px; right: 16px; z-index: 500; }

/* ---- 页面主体 ---- */
.page { max-width: 1440px; margin: 0 auto; padding: 92px 32px 60px; min-height: 100vh; }
.crumb { font-size: 12px; color: var(--text-2); margin-bottom: 20px; letter-spacing: .06em; }
.crumb a:hover { color: var(--text); }
.crumb .sep { margin: 0 8px; color: var(--line); }

.page-head { margin-bottom: 28px; display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.page-title { font-size: 26px; font-weight: 700; letter-spacing: .08em; color: var(--accent); }
.page-head-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.page-sub { font-size: 13px; color: var(--text-2); }

.sort-select {
  appearance: none; border: 1px solid var(--line); background: var(--panel);
  color: var(--text-2); font-size: 12px; font-family: inherit; padding: 6px 26px 6px 12px;
  letter-spacing: .05em; cursor: pointer; outline: none;
  transition: color .2s, border-color .2s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23777' d='M0 1l5 4 5-4H0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
}
.sort-select:hover, .sort-select:focus { color: var(--text); border-color: var(--text-2); }
html.theme-dark .sort-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%238f8f8f' d='M0 1l5 4 5-4H0z'/%3E%3C/svg%3E"); }

.home-sort-head { margin-bottom: 18px; }
.home-sort-head .page-title { display: none; }
@media (max-width: 520px) {
  .page-head-right { width: 100%; justify-content: space-between; }
  .sort-select { flex: 1; max-width: 140px; }
}

/* ---- 筛选条 ---- */
.filter-bar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 14px;
  padding: 14px 0; margin-bottom: 24px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.filter-bar select, .filter-bar .btn-ghost {
  appearance: none; border: 1px solid var(--line); background: var(--panel);
  color: var(--text-2); font-size: 12px; padding: 6px 26px 6px 12px;
  letter-spacing: .05em; transition: color .2s, border-color .2s;
}
.filter-bar select:hover, .filter-bar .btn-ghost:hover { color: var(--text); border-color: var(--text-2); }
.filter-bar .label { font-size: 12px; color: var(--text-2); letter-spacing: .08em; }
.filter-bar .spacer { flex: 1; }
.filter-bar input[type=search] {
  appearance: none; border: 1px solid var(--line); background: var(--panel);
  color: var(--text-2); font-size: 12px; font-family: inherit; padding: 6px 12px;
  letter-spacing: .05em; outline: none; width: 160px;
  transition: color .2s, border-color .2s;
}
.filter-bar input[type=search]:focus { color: var(--text); border-color: var(--text-2); }
.filter-bar input[type=search]::placeholder { color: var(--text-2); }
.btn-ghost {
  border: 1px solid var(--line); background: var(--panel); color: var(--text-2);
  font-size: 12px; padding: 6px 16px; letter-spacing: .06em;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-2); }
.btn-dark {
  border: 1px solid var(--text); background: var(--text); color: var(--bg);
  font-size: 12px; padding: 7px 18px; letter-spacing: .06em;
  transition: opacity .2s;
}
.btn-dark:hover { opacity: .82; }

/* ---- 首页精选轮播 ---- */
.hero {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 70vh;
  background: var(--bg-soft);
  overflow: hidden;
  margin-bottom: 36px;
  cursor: pointer;
}
.hero-stage { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0; transition: opacity .8s ease;
}
.hero-slide.active { opacity: 1; z-index: 1; }
.hero-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  animation: heroZoom 8s ease-out forwards;
}
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.04); } }
.hero-shade {
  position: absolute; left: 0; right: 0; bottom: 0; height: 45%;
  background: linear-gradient(to top, rgba(0,0,0,.55), rgba(0,0,0,0));
  pointer-events: none;
}
.hero-meta {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 32px 40px 56px;
  color: #fff;
  z-index: 2;
  pointer-events: none;
}
.hero-title { font-size: 20px; letter-spacing: .04em; margin-bottom: 4px; }
.hero-sub { font-size: 12px; letter-spacing: .14em; opacity: .8; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px;
  background: rgba(255,255,255,.18); color: #fff;
  border: 0; font-size: 18px; cursor: pointer;
  opacity: 0; transition: opacity .25s, background .2s;
  z-index: 3; backdrop-filter: blur(4px);
}
.hero:hover .hero-arrow { opacity: 1; }
.hero-arrow:hover { background: rgba(255,255,255,.32); }
.hero-prev { left: 16px; }
.hero-next { right: 16px; }
.hero-dots {
  position: absolute; left: 0; right: 0; bottom: 14px;
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 8px; max-width: 72%; margin: 0 auto; z-index: 3;
}
.hero-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: rgba(255,255,255,.45); cursor: pointer;
  transition: background .2s, width .25s;
}
.hero-dot.active { background: #fff; width: 22px; border-radius: 4px; }
.hero-dot:hover { background: rgba(255,255,255,.75); }
.theme-dark .hero { background: #0a0a0a; }
.theme-dark .hero-arrow { background: rgba(0,0,0,.4); }
.theme-dark .hero-arrow:hover { background: rgba(0,0,0,.6); }

/* ---- 摄影师介绍 ---- */
.pg-intro {
  max-width: 640px; margin: 0 auto; padding: 72px 0 56px;
  text-align: center;
}
.pg-avatar-wrap {
  width: 108px; height: 108px; margin: 0 auto 22px;
  border-radius: 50%; overflow: hidden;
  background: var(--bg-soft); border: 1px solid var(--line);
  cursor: pointer;
  transition: transform .35s cubic-bezier(.22,.61,.36,1), box-shadow .35s ease;
}
.pg-avatar-wrap:hover {
  transform: scale(1.06);
  box-shadow: 0 10px 28px rgba(0,0,0,.18);
}
.pg-avatar-wrap .pg-avatar,
.pg-avatar-wrap .pg-avatar-initial {
  transition: transform .45s cubic-bezier(.22,.61,.36,1);
}
.pg-avatar-wrap:hover .pg-avatar,
.pg-avatar-wrap:hover .pg-avatar-initial {
  transform: scale(1.14);
}
.pg-avatar { width: 100%; height: 100%; object-fit: cover; display: block; }
.pg-avatar-initial {
  display: flex; align-items: center; justify-content: center;
  font-size: 40px; color: var(--text-2); letter-spacing: .05em;
  font-weight: 300;
}
.pg-name { font-size: 26px; font-weight: 600; letter-spacing: .14em; margin: 0 0 8px; }
.pg-title { font-size: 12.5px; color: var(--text-2); letter-spacing: .28em; margin-bottom: 26px; }
.pg-bio {
  font-size: 14.5px; line-height: 2; color: var(--text-2);
  margin: 0 auto 24px; max-width: 520px;
}
.pg-quote {
  font-size: 14px; color: var(--text); font-style: italic;
  letter-spacing: .06em; margin-bottom: 14px;
}
.pg-gear {
  font-size: 12px; color: var(--text-2); letter-spacing: .14em;
  margin-bottom: 34px;
}
.pg-stats {
  display: flex; justify-content: center; gap: 0;
  border-top: 1px solid var(--line); padding-top: 28px;
}
.pg-stat { flex: 0 0 150px; }
.pg-stat b { display: block; font-size: 22px; font-weight: 600; letter-spacing: .04em; }
.pg-stat span { display: block; margin-top: 5px; font-size: 11px; color: var(--text-2); letter-spacing: .3em; }
/* ---- 摄影师介绍页面（占位） ---- */
.about-page {
  max-width: 720px; margin: 0 auto;
  padding: 120px 20px 100px; text-align: center;
}
.about-page h1 {
  font-size: 24px; letter-spacing: .2em; font-weight: 500;
  margin-bottom: 28px; color: var(--text);
}
.about-page .coming-soon {
  color: var(--text-2); font-size: 14px; letter-spacing: .08em;
}
@media (max-width: 520px) {
  .pg-intro { padding: 48px 0 40px; }
  .pg-stat { flex-basis: 33.33%; }
  .about-page { padding: 80px 20px 72px; }
}

/* ---- 哈苏XPan宽幅视界 ---- */
.xpan-hero {
  width: 100%;
  background: #000;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.xpan-hero img {
  display: block;
  width: 100%;
  max-width: 1400px;
  height: auto;
  object-fit: contain;
}
.xpan-intro {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 24px;
  text-align: center;
}
.xpan-intro h2 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--text);
  margin-bottom: 18px;
}
.xpan-intro-lead {
  font-size: 15px;
  color: var(--text-2);
  letter-spacing: .08em;
  margin-bottom: 28px;
  line-height: 1.8;
}
.xpan-intro p {
  font-size: 14px;
  line-height: 2;
  color: var(--text-2);
  margin-bottom: 18px;
}
.xpan-source {
  display: inline-block;
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-2);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.xpan-source:hover { color: var(--text); border-color: var(--text-2); }
.xpan-recommend {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 24px 56px;
  text-align: center;
}
.xpan-recommend h3 {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--text);
  margin-bottom: 24px;
}
.xpan-recommend blockquote {
  margin: 0;
  padding: 0;
  font-size: 14px;
  line-height: 2.2;
  color: var(--text-2);
  letter-spacing: .04em;
}
.xpan-recommend blockquote p { margin-bottom: 18px; }
.xpan-recommend blockquote p:last-child { margin-bottom: 0; }
.xpan-recommend cite {
  display: block;
  margin-top: 24px;
  font-size: 12px;
  font-style: normal;
  color: var(--text-2);
  opacity: .7;
  letter-spacing: .1em;
}
.xpan-head .page-title { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.xpan-desc { font-size: 11px; color: var(--text-2); letter-spacing: .16em; font-weight: 400; }
.xpan-bw-btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: transparent; border: 1px solid var(--line); color: var(--text-2);
  font-size: 12px; font-family: inherit; letter-spacing: .1em;
  padding: 7px 14px; cursor: pointer; transition: color .2s, border-color .2s;
}
.xpan-bw-btn:hover { color: var(--text); border-color: var(--text-2); }
.xpan-bw-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: linear-gradient(135deg, #fff 0%, #fff 49%, #555 50%, #222 100%);
  border: 1px solid rgba(127,127,127,.35);
}
.xpan-bw-btn.on { color: var(--accent); border-color: var(--accent); }
.xpan-bw-btn.on .xpan-bw-dot {
  background: linear-gradient(135deg, #eee 0%, #aaa 49%, #555 50%, #111 100%);
}
.xpan-list { display: flex; flex-direction: column; gap: 52px; }
.xpan-item { position: relative; margin: 0; cursor: zoom-in; }
.xpan-frame {
  position: relative; width: 100%;
  aspect-ratio: 65 / 24; overflow: hidden;
  background: var(--bg-soft);
}
.xpan-frame img {
  display: block;
  transition: transform .35s ease, filter .3s ease;
}
.xpan-item:hover .xpan-frame img { transform: scale(1.012); }
.xpan-frame img.xpan-bw-img { filter: grayscale(1); }
.xpan-item-bw {
  position: absolute;
  top: -38px;
  right: 0;
  z-index: 2;
}
.xpan-item figcaption {
  margin-top: 10px; font-size: 12.5px; color: var(--text-2);
  letter-spacing: .08em; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.xpan-item figcaption .xpan-sub { color: var(--text-2); opacity: .75; }
.xpan-empty {
  padding: 90px 20px; text-align: center;
  color: var(--text-2); font-size: 13px; letter-spacing: .08em;
}

/* 导航项变多后压缩间距，避免溢出 */
@media (max-width: 1200px) { .menu { gap: 22px; } .menu a { font-size: 13px; } }
@media (max-width: 980px)  { .menu { gap: 14px; } .menu a { font-size: 12.5px; } }

/* ---- 瀑布流 ---- */
.masonry {
  column-count: 4; column-gap: var(--gap);
}
@media (max-width: 1280px) { .masonry { column-count: 3; } }
@media (max-width: 860px)  { .masonry { column-count: 2; } }
@media (max-width: 520px)  { .masonry { column-count: 1; } }

.card {
  break-inside: avoid; margin-bottom: var(--gap);
  position: relative; overflow: hidden;
  background: var(--bg-soft); cursor: pointer;
}
.card img {
  display: block; width: 100%; height: auto;
  transition: transform .45s cubic-bezier(.22,.61,.36,1);
  min-height: 40px; /* 加载占位 */
}
.card:hover img { transform: scale(1.07); }
.card .card-ov {
  position: absolute; inset: 0;
  background: linear-gradient(transparent 55%, rgba(0,0,0,.45));
  opacity: 0; transition: opacity .25s;
  display: flex; align-items: flex-end; padding: 14px;
}
.card:hover .card-ov { opacity: 1; }
.card .card-ov span { color: #fff; font-size: 12px; letter-spacing: .06em; }
/* 卡片右下角徽章区：喜欢 + 浏览数（黑白主题均可见） */
.card .card-badges {
  position: absolute; right: 8px; bottom: 8px; z-index: 2;
  display: flex; align-items: center; gap: 6px;
}
.card .card-like, .card .card-views {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; line-height: 1; color: #fff; letter-spacing: .02em;
  background: rgba(0,0,0,.52); padding: 4px 7px; border-radius: 10px;
  backdrop-filter: blur(2px); font-variant-numeric: tabular-nums;
}
.card .card-like svg, .card .card-views svg {
  width: 12px; height: 12px; flex: none;
}
.card .card-like.liked svg { fill: currentColor; }
.card .card-like {
  border: 0; cursor: pointer; transition: background .2s, transform .15s;
}
.card .card-like:hover { background: rgba(0,0,0,.68); }
.card .card-like:active { transform: scale(.88); }
.card .card-like.liked { color: #ff6b6b; background: rgba(0,0,0,.66); }
.card .card-views { pointer-events: none; }
.card:hover .card-like, .card:hover .card-views { background: rgba(0,0,0,.68); }

.empty {
  padding: 80px 0; text-align: center;
  color: var(--text-2); font-size: 13px; letter-spacing: .1em;
}

/* ---- 分类入口卡片 ---- */
.grid-entry {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--gap); margin-top: 8px;
}
.entry {
  padding: 26px 24px; border: 1px solid var(--line);
  transition: border-color .2s; cursor: pointer; background: var(--panel);
}
.entry:hover { border-color: var(--text); }
.entry .e-name { font-size: 16px; font-weight: 600; letter-spacing: .06em; }
.entry .e-count { font-size: 12px; color: var(--text-2); margin-top: 8px; }

/* ---- 时间轴 ---- */
.timeline-year { margin: 34px 0 10px; display: flex; align-items: baseline; gap: 14px; }
.timeline-year .y { font-size: 22px; font-weight: 700; letter-spacing: .06em; }
.timeline-year .c { font-size: 12px; color: var(--text-2); }
.month-list { display: flex; flex-wrap: wrap; gap: 12px 28px; padding: 4px 0 18px; border-bottom: 1px solid var(--line); }
.month-list a { font-size: 14px; color: var(--text-2); }
.month-list a:hover { color: var(--text); }
.month-list .mc { font-size: 11px; color: var(--text-2); margin-left: 4px; }

/* ---- 标签云 ---- */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 14px; }
.tag-pill {
  border: 1px solid var(--line); padding: 8px 20px;
  font-size: 13px; letter-spacing: .08em; color: var(--text-2);
  transition: all .2s;
}
.tag-pill:hover { border-color: var(--text); color: var(--text); }
.tag-pill .n { font-size: 11px; margin-left: 6px; color: var(--text-2); }

/* ---- 大图浏览 ---- */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.94);
  display: flex; align-items: center; justify-content: center;
}
.lb-stage { max-width: 88vw; max-height: 82vh; display: flex; align-items: center; position: relative; }
.lb-stage img { max-width: 88vw; max-height: 82vh; object-fit: contain; transition: opacity .28s ease; }
/* 大图加载遮罩：切换时旧图保留，新图加载完成后淡入替换，避免黑屏 */
.lb-ov {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  background: rgba(0,0,0,.62);
  color: rgba(255,255,255,.85); font-size: 13px; letter-spacing: .12em;
  cursor: default;
}
.lb-spin {
  width: 36px; height: 36px; border-radius: 50%;
  border: 3px solid rgba(255,255,255,.22); border-top-color: #fff;
  animation: lbspin .8s linear infinite;
}
@keyframes lbspin { to { transform: rotate(360deg); } }
.lb-ov.lb-err { cursor: pointer; }
.lb-ov.lb-err .lb-ov-txt { color: #ffb0b0; }
.lb-close {
  position: absolute; top: 18px; right: 26px;
  background: none; border: none; color: #fff;
  font-size: 34px; line-height: 1; opacity: .8;
}
.lb-close:hover { opacity: 1; }
.lb-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 5; /* 盖过大图：窄屏下照片铺满舞台，DOM 在 stage 前的箭头会被后绘制的图片覆盖 */
  background: none; border: 1px solid rgba(255,255,255,.35); border-radius: 50%;
  color: #fff; width: 44px; height: 44px; font-size: 15px; opacity: .75;
  transition: opacity .2s, border-color .2s;
}
.lb-arrow:hover { opacity: 1; border-color: #fff; }
.lb-prev { left: 26px; } .lb-next { right: 26px; }
.ss-prev { left: 20px; } .ss-next { right: 20px; }
.lb-meta {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 18px 40px 24px; text-align: center;
  color: rgba(255,255,255,.85); font-size: 12.5px; letter-spacing: .08em;
}
.lb-meta .t { font-size: 15px; color: #fff; margin-bottom: 6px; letter-spacing: .12em; }
.lb-meta .m { color: rgba(255,255,255,.55); margin-top: 5px; }
/* 大图「喜欢」按钮 */
.lb-like {
  background: none; border: none; padding: 0;
  color: rgba(255,255,255,.85); font-size: 12.5px; font-family: inherit;
  letter-spacing: .08em; cursor: pointer; transition: color .2s;
}
.lb-like:hover { color: #fff; }
.lb-like.liked { color: #ff6b6b; animation: lbPop .35s ease; }
.lb-like.liked svg { fill: currentColor; }
.lb-views { display: inline-flex; align-items: center; gap: 3px; }
.lb-views svg, .lb-like svg { width: 13px; height: 13px; flex: none; }
@keyframes lbPop {
  0% { transform: scale(1); }
  40% { transform: scale(1.28); }
  100% { transform: scale(1); }
}

/* ---- 硬盘未接入占位画面 ---- */
.offline {
  position: fixed; inset: 0; z-index: 300;
  background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
}
.offline-box { text-align: center; }
.offline-mark {
  width: 72px; height: 72px; margin: 0 auto 28px;
  border: 1px solid var(--line); border-radius: 4px;
  background: var(--panel);
}
.offline-box p { font-size: 14px; color: var(--text-2); letter-spacing: .14em; margin-bottom: 24px; }

/* ---- 加载 ---- */
.loading { padding: 100px 0; text-align: center; color: var(--text-2); font-size: 12px; letter-spacing: .2em; }

/* ---- 版权声明页脚 ---- */
.site-footer {
  margin-top: 90px;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 48px 24px 40px;
  text-align: center;
}
.footer-title {
  font-size: 15px; font-weight: 700; letter-spacing: .18em;
  color: var(--text); margin-bottom: 18px;
}
.footer-copy {
  font-size: 12px; line-height: 2; color: var(--text-2);
  letter-spacing: .05em; max-width: 560px; margin: 0 auto;
}
.footer-copy-en {
  font-size: 11px; line-height: 1.9; color: var(--text-2);
  letter-spacing: .02em; max-width: 620px; margin: 6px auto 0;
  opacity: .8;
}
.footer-bottom {
  margin-top: 22px; padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12px; color: var(--text-2); letter-spacing: .1em;
}
.footer-icp { margin-top: 10px; font-size: 12px; letter-spacing: .05em; }
.footer-icp a { color: var(--text-2); text-decoration: none; }
.footer-icp a:hover { color: var(--text); }
@media (max-width: 640px) {
  .footer-inner { padding: 36px 16px 32px; }
  .footer-copy { font-size: 11px; }
}

/* ---------- 快捷滚动按钮 ---------- */
.scroll-float {
  position: fixed; right: 16px; bottom: 26px; z-index: 60;
  display: flex; flex-direction: column; gap: 10px;
}
.sf-btn {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-soft); color: var(--text-2);
  border: 1px solid var(--line); cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,.14);
  opacity: 0; pointer-events: none; transform: translateY(6px);
  transition: opacity .25s, transform .25s, color .2s, border-color .2s;
}
.sf-btn.show { opacity: 1; pointer-events: auto; transform: none; }
.sf-btn:hover { color: var(--accent); border-color: var(--text-2); }
.sf-btn:active { transform: scale(.92); }
@media (max-width: 640px) {
  .scroll-float { right: 12px; bottom: 18px; gap: 8px; }
  .sf-btn { width: 36px; height: 36px; }
}

/* ---------- 背景音乐播放器 ---------- */
.music-player {
  position: fixed; left: 16px; bottom: 26px; z-index: 120;
  display: flex; flex-direction: column; align-items: flex-start;
}
.mp-mini {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-soft); color: var(--text-2);
  border: 1px solid var(--line); cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,.14);
  transition: color .2s, border-color .2s, transform .25s, opacity .25s;
  position: relative;
}
.mp-mini:hover { color: var(--accent); border-color: var(--text-2); transform: translateY(-2px); }
.mp-mini:active { transform: scale(.94); }
.mp-mini.expanded { opacity: 0; pointer-events: none; transform: scale(.7); }
.mp-dot {
  position: absolute; top: 1px; right: 1px; width: 9px; height: 9px;
  border-radius: 50%; background: #ff6b6b;
  box-shadow: 0 0 0 2px var(--bg-soft);
}
.mp-dot.pulse { animation: mpPulse 1.6s ease-in-out infinite; }
@keyframes mpPulse {
  0%, 100% { box-shadow: 0 0 0 2px var(--bg-soft), 0 0 0 0 rgba(255,107,107,.45); }
  50% { box-shadow: 0 0 0 2px var(--bg-soft), 0 0 0 6px rgba(255,107,107,0); }
}
.mp-panel {
  width: 300px; border-radius: 14px; overflow: hidden;
  background: var(--panel, var(--bg-soft));
  border: 1px solid var(--line);
  box-shadow: 0 8px 30px rgba(0,0,0,.22);
  animation: mpOpen .22s ease;
}
@keyframes mpOpen {
  from { opacity: 0; transform: translateY(10px) scale(.97); }
  to { opacity: 1; transform: none; }
}
.mp-head {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 12px 6px;
}
.mp-title {
  flex: 1; font-size: 13.5px; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  letter-spacing: .03em;
}
.mp-close {
  width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: none; color: var(--text-2);
  cursor: pointer; font-size: 13px; line-height: 1;
  transition: background .2s, color .2s;
}
.mp-close:hover { background: var(--bg-soft); color: var(--text); }
.mp-progress {
  margin: 4px 12px 2px; height: 4px; border-radius: 2px;
  background: var(--line); cursor: pointer; position: relative;
}
.mp-bar {
  height: 100%; width: 0%; border-radius: 2px;
  background: var(--accent); transition: width .15s linear;
}
.mp-time {
  display: flex; justify-content: space-between;
  margin: 0 12px; font-size: 10.5px; color: var(--text-2);
  font-variant-numeric: tabular-nums;
}
.mp-ctrl {
  display: flex; align-items: center; justify-content: center; gap: 18px;
  padding: 8px 0 10px;
}
.mp-btn {
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: none; color: var(--text-2); cursor: pointer;
  transition: color .2s, background .2s, transform .15s;
}
.mp-btn:hover { color: var(--text); background: var(--bg-soft); }
.mp-btn:active { transform: scale(.92); }
.mp-btn.mp-play {
  width: 42px; height: 42px; background: var(--accent); color: var(--accent-ink);
}
.mp-btn.mp-play:hover { background: var(--text); }
.mp-btn.mp-play svg { display: block; }
.mp-btn.mp-mode { color: var(--text-2); }
.mp-btn.mp-mode:hover { color: var(--accent); }
.mp-btn.mp-mode svg { transition: transform .3s ease; }
.mp-btn.mp-mode:active svg { transform: rotate(180deg); }
.mp-tabs {
  display: flex; align-items: center; gap: 4px;
  padding: 0 10px 8px; border-bottom: 1px solid var(--line);
}
.mp-tab {
  flex: 1; height: 30px; border-radius: 6px;
  font-size: 12px; letter-spacing: .04em;
  background: transparent; color: var(--text-2);
  border: 1px solid transparent; cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.mp-tab:hover { color: var(--text); }
.mp-tab.active { background: var(--bg-soft); color: var(--text); border-color: var(--line); }
.mp-list {
  max-height: 190px; overflow-y: auto;
  border-top: 1px solid var(--line);
  padding: 6px 8px;
}
.mp-list::-webkit-scrollbar { width: 5px; }
.mp-list::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
.mp-song {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 8px; border-radius: 8px;
  cursor: pointer; color: var(--text-2);
  transition: background .15s, color .15s;
  font-size: 12.5px;
}
.mp-song:hover { background: var(--bg-soft); color: var(--text); }
.mp-song .s-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; gap: 1px; }
.mp-song .s-title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mp-song .s-artist { font-size: 10.5px; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mp-song .s-dur { flex: none; font-size: 10.5px; color: var(--text-2); font-variant-numeric: tabular-nums; padding-left: 6px; }
.mp-song.active { color: var(--text); }
.mp-song.active .s-title { font-weight: 600; }
.mp-song .s-eq { display: none; width: 14px; height: 14px; color: var(--accent); }
.mp-song.active.playing .s-eq { display: block; }
.mp-song.active.playing .s-note { display: none; }
.mp-empty { padding: 14px 8px; text-align: center; font-size: 12px; color: var(--text-2); }
.mp-tools {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 10px 0;
}
.mp-search { position: relative; flex: 1; min-width: 0; display: flex; }
.mp-search input {
  width: 100%; min-width: 0; height: 28px; border-radius: 14px;
  border: 1px solid var(--line); background: var(--bg-soft);
  color: var(--text); font-size: 12px; padding: 0 30px 0 10px;
  outline: none; transition: border-color .2s; letter-spacing: .02em;
}
.mp-search input::placeholder { color: var(--text-2); opacity: .75; }
.mp-search input:focus { border-color: var(--accent); }
.mp-sbtn {
  position: absolute; right: 2px; top: 2px; width: 24px; height: 24px;
  border-radius: 50%; border: none; background: transparent; color: var(--text-2);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: color .15s, background .15s;
}
.mp-sbtn:hover { color: var(--accent); background: var(--line); }
.mp-refresh {
  flex: none; height: 28px; padding: 0 10px; border-radius: 14px;
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--bg-soft); color: var(--text-2);
  border: 1px solid var(--line); cursor: pointer; font-size: 12px;
  letter-spacing: .04em; transition: color .15s, background .15s, border-color .15s;
}
.mp-refresh svg { transition: transform .45s ease; }
.mp-refresh:hover { color: var(--accent); border-color: var(--text-2); }
.mp-refresh:active svg { transform: rotate(220deg); }
.mp-tools button:disabled { opacity: .45; cursor: default; pointer-events: none; }
@media (max-width: 640px) {
  .music-player { left: 12px; bottom: 18px; }
  .mp-panel { width: min(300px, calc(100vw - 40px)); }
}
.mp-song .s-eq rect { animation: mpEq 1s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.mp-song .s-eq rect:nth-child(2) { animation-delay: .22s; }
.mp-song .s-eq rect:nth-child(3) { animation-delay: .44s; }
@keyframes mpEq {
  0%, 100% { transform: scaleY(.35); }
  50% { transform: scaleY(1); }
}

/* ---- 全屏照片幻灯片 ---- */
.slideshow { position: fixed; inset: 0; z-index: 600; background: #000; }
.slideshow[hidden] { display: none !important; }
.ss-stage { position: absolute; inset: 0; cursor: pointer; }
.ss-tip {
  position: absolute; left: 50%; top: 18%; transform: translateX(-50%);
  z-index: 10; pointer-events: none; user-select: none;
  padding: 7px 16px; border-radius: 6px;
  background: rgba(255, 255, 255, .88); color: #111;
  font-size: 13px; letter-spacing: .05em;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  opacity: 0; visibility: hidden;
  transition: opacity .35s ease, visibility .35s ease;
  max-width: min(80vw, 340px); text-align: center;
}
.ss-tip.show { opacity: 1; visibility: visible; }
.ss-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; transition: opacity .5s ease; pointer-events: none; user-select: none; }
.ss-img.show { opacity: 1; }
.ss-loading { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; color: rgba(255,255,255,.85); font-size: 13px; letter-spacing: .14em; pointer-events: none; z-index: 5; }
.ss-spin { width: 30px; height: 30px; border-radius: 50%; border: 3px solid rgba(255,255,255,.22); border-top-color: #fff; animation: ssSpin .8s linear infinite; }
@keyframes ssSpin { to { transform: rotate(360deg); } }
.ss-bar {
  position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%);
  display: flex; align-items: center; gap: 8px; z-index: 2;
  max-width: min(1200px, calc(100vw - 40px));
  background: rgba(0, 0, 0, .62); backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .14); border-radius: 999px;
  padding: 7px 14px; color: #eee; font-size: 12.5px;
  white-space: nowrap;
}
.ss-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: none; border: 1px solid rgba(255, 255, 255, .28); color: #eee;
  border-radius: 999px; padding: 4px 10px; font-size: 12px; cursor: pointer;
  transition: background .15s, border-color .15s;
  flex: none;
}
.ss-btn:hover { background: rgba(255, 255, 255, .16); }
.ss-btn:active { transform: scale(.94); }
.ss-btn.on { background: rgba(255, 255, 255, .22); border-color: rgba(255, 255, 255, .55); color: var(--accent); }
.ss-btn svg { display: block; }
.ss-sep { width: 1px; height: 16px; background: rgba(255, 255, 255, .22); flex: none; }
.ss-select {
  background: rgba(255, 255, 255, .08); color: #eee;
  border: 1px solid rgba(255, 255, 255, .28); border-radius: 999px;
  padding: 4px 8px; font-size: 12px; cursor: pointer; outline: none;
  font-family: inherit; transition: background .15s, border-color .15s;
  flex: none;
}
.ss-select:hover { background: rgba(255, 255, 255, .16); }
.ss-select option { background: #222; color: #eee; }
.ss-count { font-variant-numeric: tabular-nums; opacity: .9; white-space: nowrap; flex: none; }
.ss-info { max-width: 42vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; opacity: .72; flex: 0 1 auto; min-width: 0; }
.ss-close { color: #fff; border-color: rgba(255, 255, 255, .42); flex: none; }
.ss-close:hover { background: rgba(255, 90, 90, .32); border-color: #fff; }
/* 手动/自动模式按钮 */
.ss-mode { min-width: 58px; justify-content: center; }
.ss-mode.on { background: rgba(255, 255, 255, .22); border-color: rgba(255, 255, 255, .6); color: #fff; }
/* 音乐控制按钮组：三个按钮等宽，播放/暂停仅显示当前状态图标 */
.ss-music {
  color: #eee; padding: 4px 9px;
  width: 36px; justify-content: center;
}
.ss-music svg { display: block; }
.ss-music:disabled { opacity: .35; cursor: not-allowed; }
.ss-music-play { position: relative; }
.ss-music-title {
  display: inline-block; width: 16vw; max-width: 231px; min-width: 89px;
  overflow: hidden; white-space: nowrap; position: relative;
  opacity: .78; font-size: 12px; color: #eee; vertical-align: middle;
  flex: 0 0 auto;
}
.ss-music-title .ss-mt-inner { display: inline-block; padding-right: 12px; }
.ss-music-title.scroll .ss-mt-inner { animation: ssTitleScroll var(--dur, 6s) linear infinite; }
@keyframes ssTitleScroll {
  0%, 8% { transform: translateX(0); }
  92%, 100% { transform: translateX(calc(-1 * var(--tw, 0))); }
}
/* 幻灯片模式下音乐播放器浮于上层，可随时控制背景音乐 */
body.ss-open .music-player { z-index: 700; }
body.ss-open { overflow: hidden; }
@media (max-width: 640px) {
  .ss-bar { bottom: 12px; font-size: 11.5px; gap: 6px; padding: 6px 10px; flex-wrap: wrap; justify-content: center; max-width: calc(100vw - 24px); }
  .ss-info { display: none; }
  .ss-music-title { max-width: 15vw; min-width: 60px; }
  .ss-select { font-size: 11px; padding: 3px 6px; }
  .ss-mode { min-width: 50px; padding: 4px 8px; }
}


/* ============================================================
   移动端适配（响应式）：≤768px 导航切汉堡抽屉 / ≤640px 手机精细
   桌面（>768px）不触发以下任何规则，界面与此前桌面版完全一致
   ============================================================ */

/* ---- 汉堡按钮（桌面隐藏，移动端显示） ---- */
.burger {
  display: none;
  width: 34px; height: 34px; flex: none;
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  background: transparent; border: 1px solid transparent; color: var(--text-2);
  padding: 0; cursor: pointer;
  transition: color .2s, border-color .2s;
}
.burger .b-line {
  display: block; width: 16px; height: 1.6px; border-radius: 1px;
  background: currentColor;
  transition: transform .25s ease, opacity .2s ease;
}
.burger:hover { color: var(--text); }
.burger.open .b-line:nth-child(1) { transform: translateY(5.6px) rotate(45deg); }
.burger.open .b-line:nth-child(2) { opacity: 0; }
.burger.open .b-line:nth-child(3) { transform: translateY(-5.6px) rotate(-45deg); }

/* ---------- ≤768px：导航切汉堡、菜单变全屏抽屉 ---------- */
@media (max-width: 768px) {
  .nav-inner { padding: 0 16px; height: 54px; }
  .logo { font-size: 15px; letter-spacing: .1em; }
  .nav-right { gap: 10px; }
  .burger { display: flex; }
  /* 顶栏搜索框隐藏（JS 将其搬入抽屉菜单顶部） */
  .nav-right > .nav-search { display: none; }
  /* 菜单 → 全屏抽屉：默认不可见，.open 淡入展开。
     注意：#nav 的 backdrop-filter 会为 fixed 后代建立包含块，若写 bottom:0
     菜单高度会被压缩在 54px 高的 #nav 内；改用明确视口高度，确保抽屉真正全屏 */
  .menu {
    position: fixed; top: 54px; left: 0; right: 0; z-index: 150;
    height: calc(100vh - 54px); height: calc(100dvh - 54px);
    display: flex; flex-direction: column; align-items: stretch;
    gap: 0; padding: 0 0 48px; overflow-y: auto;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .22s ease, transform .22s ease, visibility .22s;
  }
  .menu.open { opacity: 1; visibility: visible; transform: none; }
  .menu a {
    font-size: 16.5px; letter-spacing: .14em;
    padding: 17px 26px; border-bottom: 1px solid var(--line);
    display: flex; align-items: center;
  }
  .menu a:hover { color: var(--accent); }
  .menu a.active { color: var(--accent); border-bottom: 1px solid var(--line); }
  .menu .nav-search {
    display: block; padding: 14px 20px 8px; border-bottom: 1px solid var(--line);
  }
  .menu .nav-search input[type=search] {
    width: 100%; height: 38px; font-size: 13.5px; padding: 0 14px;
  }
  body.menu-open { overflow: hidden; }
  /* 页面主体留白适配 54px 导航 */
  .page { padding: 76px 16px 50px; }
  .crumb { margin-bottom: 16px; }
  .page-title { font-size: 22px; }
  /* 主题弹层：矮视口 / 手机上限高可滚动，防止溢出屏外 */
  .theme-pop {
    position: fixed; top: 62px; right: 14px;
    max-height: calc(100vh - 80px); overflow-y: auto;
  }
  .theme-opt { padding: 12px 14px; }
  .tw-btn { padding: 9px 16px; font-size: 12.5px; }
}

/* ---------- ≤640px：手机精细适配（与既有 640 规则互补） ---------- */
@media (max-width: 640px) {
  .page-head { gap: 10px; }
  .hero { margin-bottom: 24px; }
  /* 导航抽屉菜单项触控高度更宽松 */
  .menu a { padding: 16px 22px; font-size: 16px; }
  .menu .nav-search { padding: 12px 16px 6px; }
  .menu .nav-search input[type=search] { height: 40px; }
  .theme-pop { right: 10px; left: 10px; min-width: 0; }
}

/* ---------- 占位页：功能开发中（移动的瞬间 / 暗房） ---------- */
.coming-page {
  min-height: 58vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 72px 20px 80px;
  animation: fadeIn .5s ease both;
}
.coming-page h1 {
  font-size: 26px; font-weight: 500; letter-spacing: .12em;
  margin: 26px 0 14px; color: var(--text);
}
.coming-page .coming-soon {
  color: var(--text-2); font-size: 14px; letter-spacing: .28em; margin: 0;
}
.coming-mark {
  width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid var(--line);
  position: relative;
}
.coming-mark::after {
  content: ''; position: absolute; inset: 16px;
  border-radius: 50%;
  background: var(--text-2); opacity: .28;
}

/* ---------- 移动的瞬间：暗房里的幻灯机（银幕在上 / 真机在下 · 第一视角） ---------- */
.pj-wrap { margin: 10px auto 34px; max-width: min(1040px, calc(72vh * 1.2195)); }

.pj-stage {
  position: relative; width: 100%;
  aspect-ratio: 1000 / 820;
  border-radius: 14px; overflow: hidden;
  background:
    radial-gradient(54% 40% at 50% 86%, rgba(88, 81, 71, .66), rgba(88, 81, 71, 0) 78%),
    radial-gradient(120% 92% at 50% 30%, #1a1b1d 0%, #0d0e10 60%, #050506 100%);
  box-shadow: 0 26px 60px rgba(0, 0, 0, .42), 0 0 0 1px rgba(0, 0, 0, .35);
  user-select: none; -webkit-user-select: none;
}

/* 光束层（位于银幕与机器之间） */
.pj-lit { position: absolute; inset: 0; width: 100%; height: 100%; display: block; pointer-events: none; }
.pj-beam { animation: pjLamp 7s ease-in-out infinite; }
@keyframes pjLamp { 0%, 100% { opacity: .9; } 50% { opacity: 1; } }

/* 银幕：金属外框 + 卷轴下沿 + 真实布面 */
.pj-screen {
  position: absolute; left: 19%; top: 3.5%; width: 62%; height: 49.6%;
  padding: 1.1% 1.3% 2.7%;
  border-radius: 3px;
  background: linear-gradient(180deg, #43474b 0%, #2b2e31 55%, #1c1e20 100%);
  box-shadow: 0 30px 62px rgba(0, 0, 0, .58), 0 0 0 1px rgba(255, 255, 255, .07), 0 0 90px rgba(255, 236, 190, .10);
}
.pj-screen::after {
  content: ''; position: absolute; left: -.7%; right: -.7%; bottom: -1.2%; height: 3.4%;
  border-radius: 6px;
  background: linear-gradient(180deg, #4b4f53, #24262a 62%, #161718);
  box-shadow: 0 6px 14px rgba(0, 0, 0, .5);
}
.pj-surface {
  position: relative; width: 100%; height: 100%; overflow: hidden; border-radius: 1px;
  background: url("/images/pj-screen.jpg?v=20260911") center / cover no-repeat, #cfd2d4;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .35);
}

/* 投在幕上的照片：底层模糊铺满 + 上层清晰，四周自然虚化 */
.pj-shot { position: absolute; inset: 3.4% 3.8% 4.6%; opacity: 0; transition: opacity .55s ease; }
.pj-shot.on { opacity: 1; }
.pj-shot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.pj-shot .blur { transform: scale(1.12); filter: blur(13px) saturate(1.05) brightness(.97); }
.pj-shot .sharp {
  -webkit-mask-image: radial-gradient(ellipse 74% 70% at 50% 50%, #000 54%, rgba(0, 0, 0, 0) 100%);
          mask-image: radial-gradient(ellipse 74% 70% at 50% 50%, #000 54%, rgba(0, 0, 0, 0) 100%);
}
/* 投影灯中心亮斑 + 幕布四角压暗 */
.pj-hot {
  position: absolute; inset: 0; pointer-events: none; mix-blend-mode: screen;
  background: radial-gradient(58% 52% at 50% 48%, rgba(255, 246, 224, .15), rgba(255, 246, 224, 0) 72%);
}
.pj-edge {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(122% 104% at 50% 48%, rgba(0, 0, 0, 0) 46%, rgba(0, 0, 0, .26) 78%, rgba(0, 0, 0, .48) 100%);
}
.pj-flash { position: absolute; inset: 0; background: #fff8e8; opacity: 0; pointer-events: none; }
.pj-flash.go { animation: pjFlash .34s ease-out; }
@keyframes pjFlash { 0% { opacity: 0; } 14% { opacity: .5; } 100% { opacity: 0; } }

/* 下方幻灯机：真实机器照片，整机可点（含片仓） */
.pj-machine {
  position: absolute; left: 50%; bottom: -3%; width: 46%;
  padding: 0; border: 0; background: transparent; cursor: pointer;
  transform: translateX(-50%) rotate(-7deg);
  -webkit-mask-image: radial-gradient(ellipse 52% 50% at 50% 50%, #000 84%, rgba(0, 0, 0, 0) 100%);
          mask-image: radial-gradient(ellipse 52% 50% at 50% 50%, #000 84%, rgba(0, 0, 0, 0) 100%);
  transition: filter .3s ease;
}
.pj-machine img { width: 100%; display: block; }
.pj-machine:hover { filter: brightness(1.08); }
.pj-machine:active { filter: brightness(1.16); }
.pj-machine:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }

/* 底部提示条 + 声效开关 */
.pj-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; }
.pj-hint {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; letter-spacing: .14em; color: var(--text-2);
}
.pj-hint::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); animation: pjPulse 1.9s ease-in-out infinite;
}
@keyframes pjPulse { 0%, 100% { opacity: .22; transform: scale(.8); } 50% { opacity: .9; transform: scale(1); } }
.pj-sound {
  font: inherit; font-size: 12px; letter-spacing: .1em;
  color: var(--text-2); background: transparent;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 14px; cursor: pointer; transition: color .2s, border-color .2s, background .2s;
}
.pj-sound:hover { color: var(--text); border-color: var(--text-2); }
.pj-sound.on { color: var(--text); border-color: var(--text-2); background: rgba(127, 127, 127, .10); }
.pj-note { text-align: center; font-size: 13px; letter-spacing: .18em; color: var(--text-2); margin: 34px 0 10px; }

@media (max-width: 768px) {
  .pj-wrap { margin: 4px -14px 24px; }
  .pj-stage { border-radius: 0; }
  .pj-bar { padding: 0 14px; }
  .pj-hint { font-size: 11.5px; letter-spacing: .1em; }
  .pj-sound { font-size: 11.5px; padding: 5px 12px; }
  .pj-note { margin-top: 26px; }
}
@media (prefers-reduced-motion: reduce) {
  .pj-beam, .pj-hint::before { animation: none; }
}