/* ===== 基础 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',
              'Helvetica Neue',sans-serif;
  background:#fbf8f3;color:#3a3530;line-height:1.6;
  min-height:100vh;display:flex;flex-direction:column;
}
a{color:inherit;text-decoration:none;transition:color .15s}
img{display:block;max-width:100%}
main{flex:1}

/* ===== 顶部导航 ===== */
.topnav{
  background:rgba(255,255,255,.85);backdrop-filter:blur(12px);
  border-bottom:1px solid #ece4d4;
  position:sticky;top:0;z-index:50;
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;gap:24px;
}
.brand{font-size:1.15em;font-weight:600;color:#5d4e37;letter-spacing:.05em}
.nav-links{display:flex;gap:18px;margin-left:auto;align-items:center;flex-wrap:wrap}
.nav-links a{font-size:.95em;color:#7a6c52;padding:6px 0;position:relative}
.nav-links a:hover{color:#c4a574}
.nav-links a.active{color:#5d4e37;font-weight:500}
.nav-links a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;
  height:2px;background:#c4a574;border-radius:2px;
}
.nav-links .admin-link{color:#c4a574}
.nav-links .muted{color:#b5a78b;font-size:.88em}

/* ===== 首页 hero ===== */
.hero{
  background:linear-gradient(135deg,#fdf6e8 0%,#f4e4c8 100%);
  padding:80px 24px 60px;text-align:center;
}
.hero-inner{max-width:760px;margin:0 auto}
.hero-emoji{font-size:1.8em;margin-bottom:12px;letter-spacing:.3em}
.hero h1{
  font-size:clamp(1.8em,4vw,2.6em);font-weight:300;
  color:#5d4e37;letter-spacing:.05em;margin-bottom:14px;
}
.hero-sub{color:#8a7960;font-size:1.05em}

/* ===== 首页双卡片 ===== */
.cat-grid{
  max-width:1100px;margin:0 auto;padding:50px 24px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;
}
.cat-card{
  display:block;border-radius:18px;overflow:hidden;
  box-shadow:0 6px 20px rgba(93,78,55,.1);
  transition:transform .25s,box-shadow .25s;
  position:relative;color:#fff;min-height:320px;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(93,78,55,.18)}
.cat-cover{
  width:100%;height:240px;background-size:cover;background-position:center;
  background-color:rgba(0,0,0,.05);
}
.cat-cover.empty{
  display:flex;align-items:center;justify-content:center;
  font-size:5em;background:rgba(255,255,255,.2);
}
.cat-meta{
  padding:20px 22px;background:rgba(0,0,0,.18);
  backdrop-filter:blur(4px);
}
.cat-meta h2{font-weight:400;font-size:1.35em;margin-bottom:4px;letter-spacing:.05em}
.cat-meta p{font-size:.92em;opacity:.92;margin-bottom:8px}
.cat-count{font-size:.85em;opacity:.8}

/* ===== 关于 ===== */
.about{
  max-width:760px;margin:30px auto 60px;padding:0 24px;
  text-align:center;color:#7a6c52;
}
.about h3{
  font-weight:400;font-size:1.2em;color:#5d4e37;
  margin-bottom:14px;letter-spacing:.1em;
}
.about p{font-size:.95em}

/* ===== 分类页 header ===== */
.cat-header{
  padding:50px 24px 40px;text-align:center;color:#fff;
}
.cat-header-inner{max-width:760px;margin:0 auto}
.cat-header-emoji{font-size:2.4em;display:block;margin-bottom:10px}
.cat-header h1{font-weight:300;font-size:2em;letter-spacing:.08em;margin-bottom:8px}
.cat-header p{opacity:.92;margin-bottom:10px}
.cat-header-count{
  display:inline-block;padding:4px 14px;font-size:.85em;
  background:rgba(255,255,255,.25);border-radius:20px;
}

/* ===== 瀑布流 ===== */
.masonry{
  max-width:1280px;margin:0 auto;padding:30px 16px;
  column-count:4;column-gap:14px;
}
@media (max-width:1100px){.masonry{column-count:3}}
@media (max-width:720px){.masonry{column-count:2;padding:20px 10px;column-gap:8px}}
@media (max-width:420px){.masonry{column-count:1}}

.m-item{
  break-inside:avoid;margin-bottom:14px;
  background:#fff;border-radius:10px;overflow:hidden;
  box-shadow:0 2px 8px rgba(93,78,55,.08);
  cursor:zoom-in;position:relative;
  transition:transform .15s,box-shadow .15s;
}
.m-item:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(93,78,55,.15)}
.m-item img{width:100%;height:auto;display:block}
.m-item figcaption{
  padding:8px 12px;font-size:.85em;color:#7a6c52;
  border-top:1px solid #f3ebda;
}
.m-item.featured{
  outline:2px solid #c4a574;outline-offset:-2px;
}
.m-item .badge{
  position:absolute;top:8px;left:8px;
  background:rgba(196,165,116,.95);color:#fff;
  padding:3px 9px;border-radius:12px;font-size:.72em;font-weight:bold;
}

/* 视频卡片 */
.video-item .video-thumb{
  width:100%;aspect-ratio:16/9;
  background:#1a1510;
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.video-item .video-thumb img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;transition:transform .3s;
}
.video-item:hover .video-thumb img{transform:scale(1.04)}
.video-item .play-icon{
  position:relative;z-index:1;
  font-size:2.8em;color:rgba(255,255,255,.9);
  text-shadow:0 2px 12px rgba(0,0,0,.6);
  background:rgba(0,0,0,.35);
  width:64px;height:64px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  padding-left:4px;/* 视觉居中补偿 */
  transition:transform .15s,background .15s;
}
.video-item:hover .play-icon{transform:scale(1.12);background:rgba(0,0,0,.55)}

/* 灯箱视频 */
#lb-video{
  max-width:92vw;max-height:85vh;
  border-radius:6px;box-shadow:0 6px 30px rgba(0,0,0,.6);
  background:#000;
}
#lb-video[hidden]{display:none}

/* ===== 灯箱 ===== */
.lightbox{
  position:fixed;inset:0;background:rgba(20,15,10,.92);
  z-index:200;display:flex;align-items:center;justify-content:center;
  animation:fadein .15s;
}
.lightbox[hidden]{display:none}
.lb-spinner[hidden],#lb-img[hidden]{display:none}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.lb-stage{
  max-width:96vw;max-height:96vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;
}
#lb-img{
  max-width:96vw;max-height:88vh;object-fit:contain;
  box-shadow:0 6px 30px rgba(0,0,0,.6);border-radius:6px;
}
.lb-caption{
  color:#fde9c8;font-size:.95em;text-align:center;
  max-width:80vw;padding:0 16px;
}
.lb-counter{color:#a89980;font-size:.82em}
.lb-spinner{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  color:#fde9c8;
}
.spinner{
  width:48px;height:48px;border:4px solid rgba(253,233,200,.2);
  border-top-color:#fde9c8;border-radius:50%;
  animation:spin .8s linear infinite;
}
.lb-loading-text{font-size:.92em;color:#a89980}
@keyframes spin{to{transform:rotate(360deg)}}
.lb-close,.lb-prev,.lb-next{
  position:absolute;background:rgba(255,255,255,.1);border:none;
  color:#fff;cursor:pointer;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transition:background .15s;
}
.lb-close{top:20px;right:20px;width:42px;height:42px;font-size:1.6em}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);width:48px;height:48px;font-size:2em}
.lb-prev{left:20px}
.lb-next{right:20px}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:rgba(255,255,255,.25)}

/* ===== 空状态 ===== */
.empty-state{
  text-align:center;padding:80px 20px;color:#a89980;
}
.empty-state.small{padding:40px 20px}
.empty-state p{margin-bottom:16px;font-size:1.05em}
.btn{
  display:inline-block;padding:10px 22px;background:#c4a574;color:#fff;
  border-radius:6px;font-size:.95em;border:none;cursor:pointer;
  transition:background .15s;
}
.btn:hover{background:#b89460}
.btn.primary{background:#c4a574}
.btn.danger{background:#c45e5e}
.btn.danger:hover{background:#a84545}
.btn:disabled{background:#d4cab4;cursor:not-allowed}

/* ===== 登录 ===== */
.login-wrap{
  display:flex;align-items:center;justify-content:center;
  padding:60px 20px;min-height:60vh;
}
.login-box{
  background:#fff;padding:36px 32px;border-radius:14px;
  box-shadow:0 6px 24px rgba(93,78,55,.1);
  width:100%;max-width:340px;text-align:center;
}
.login-emoji{font-size:2.6em;margin-bottom:8px}
.login-box h2{font-weight:400;color:#5d4e37;margin-bottom:18px}
.login-box input{
  width:100%;padding:12px 14px;border:1px solid #e0d6c2;
  border-radius:6px;font-size:1em;margin-bottom:14px;
  font-family:inherit;
}
.login-box input:focus{outline:none;border-color:#c4a574;box-shadow:0 0 0 3px rgba(196,165,116,.15)}
.login-box button{
  width:100%;padding:12px;background:#c4a574;color:#fff;
  border:none;border-radius:6px;font-size:1em;cursor:pointer;
}
.login-box button:hover{background:#b89460}
.form-err{
  background:#fce4e4;color:#a02020;padding:10px;border-radius:6px;
  margin-bottom:14px;font-size:.9em;
}
.back-link{display:block;margin-top:14px;color:#a89980;font-size:.88em}

/* ===== 管理面板 ===== */
.admin-wrap{max-width:1200px;margin:0 auto;padding:24px}
.admin-tabs{
  display:flex;gap:4px;margin-bottom:18px;
  border-bottom:2px solid #ece4d4;
}
.admin-tabs .tab{
  padding:10px 22px;color:#a89980;font-size:.95em;
  border-bottom:2px solid transparent;margin-bottom:-2px;
  transition:all .15s;
}
.admin-tabs .tab:hover{color:#5d4e37}
.admin-tabs .tab.active{color:#5d4e37;border-bottom-color:#c4a574;font-weight:500}

.upload-zone{
  border:2px dashed #d4c4a4;border-radius:12px;background:#fff;
  padding:36px 20px;text-align:center;cursor:pointer;
  transition:all .15s;margin-bottom:8px;
}
.upload-zone:hover,.upload-zone.over{
  background:#fdfaf3;border-color:#c4a574;
}
.dz-icon{font-size:2.4em;margin-bottom:6px}
.dz-text{color:#5d4e37;font-size:1.05em}
.dz-hint{color:#a89980;font-size:.85em;margin-top:4px}

.upload-progress{
  background:#fff;padding:12px 18px;border-radius:8px;
  margin-bottom:12px;font-size:.9em;color:#5d4e37;
  border-left:3px solid #c4a574;
}

.admin-toolbar{
  display:flex;gap:10px;align-items:center;
  padding:12px 0;flex-wrap:wrap;margin-bottom:14px;
  border-bottom:1px solid #ece4d4;
}
.ph-count{color:#7a6c52;font-size:.95em}
.ph-count b{color:#c4a574;font-size:1.1em}
.admin-toolbar .hint{color:#a89980;font-size:.82em}
.admin-toolbar .grow{flex:1}
.btn-link{
  background:none;border:none;color:#7a6c52;cursor:pointer;
  font-size:.88em;padding:6px 8px;
}
.btn-link:hover{color:#c4a574}
.select{
  padding:7px 10px;border:1px solid #d4c4a4;border-radius:6px;
  background:#fff;color:#5d4e37;font-size:.88em;cursor:pointer;font-family:inherit;
}
.admin-toolbar .btn{padding:7px 16px;font-size:.88em}

.admin-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));
  gap:14px;
}
.admin-card{
  background:#fff;border-radius:10px;overflow:hidden;
  box-shadow:0 2px 8px rgba(93,78,55,.08);
  position:relative;display:flex;flex-direction:column;
  transition:box-shadow .15s,transform .15s;
}
.admin-card.sortable-ghost{opacity:.4}
.admin-card.sortable-chosen{box-shadow:0 6px 20px rgba(93,78,55,.2);transform:scale(1.02)}
.admin-card.selected{outline:2px solid #c4a574;outline-offset:-2px}

.card-img{aspect-ratio:1;overflow:hidden;background:#f5efe2}
.card-img img{width:100%;height:100%;object-fit:cover}

.card-check{
  position:absolute;top:8px;left:8px;cursor:pointer;z-index:2;
}
.card-check input{display:none}
.card-check span{
  display:block;width:22px;height:22px;border-radius:5px;
  background:rgba(255,255,255,.9);border:2px solid #c4a574;
  transition:all .15s;
}
.card-check input:checked + span{
  background:#c4a574;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M9 16.2l-3.5-3.5L4 14.2 9 19.2l11-11-1.5-1.5z'/%3E%3C/svg%3E");
  background-size:16px;background-position:center;background-repeat:no-repeat;
}

.card-pin{
  position:absolute;top:8px;right:8px;z-index:2;
  background:rgba(255,255,255,.9);border:none;cursor:pointer;
  width:26px;height:26px;border-radius:50%;font-size:.95em;
  color:#d4c4a4;transition:all .15s;
}
.card-pin:hover{color:#c4a574;transform:scale(1.1)}
.card-pin.on{background:#c4a574;color:#fff}

.card-caption{
  width:100%;padding:8px 10px;border:none;border-top:1px solid #f3ebda;
  font-size:.85em;color:#5d4e37;font-family:inherit;background:transparent;
}
.card-caption:focus{outline:none;background:#fdfaf3}
.card-caption.dirty{background:#fef9e7}

.card-meta{
  display:flex;justify-content:space-between;align-items:center;
  padding:6px 10px;background:#faf6ec;border-top:1px solid #f3ebda;
  color:#a89980;font-size:.78em;
}
.drag-handle{cursor:grab;font-size:1.1em;color:#c4a574;user-select:none}
.drag-handle:active{cursor:grabbing}

/* ===== Toast ===== */
.toast{
  position:fixed;bottom:30px;left:50%;transform:translateX(-50%);
  background:rgba(60,50,40,.92);color:#fff;
  padding:12px 24px;border-radius:30px;font-size:.92em;
  z-index:300;animation:slideup .25s;
}
.toast.err{background:rgba(180,50,50,.95)}
@keyframes slideup{from{transform:translate(-50%,20px);opacity:0}to{transform:translate(-50%,0);opacity:1}}

/* ===== 访问统计栏（管理面板）===== */
.view-stats-bar{
  max-width:1200px;margin:12px auto 0;padding:0 24px;
  display:flex;flex-wrap:wrap;gap:12px;
}
.view-stat-item{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid #ece4d4;
  border-radius:10px;padding:10px 16px;
  font-size:.88em;color:#7a6c52;
}
.view-stat-label{font-weight:600;color:#5d4e37}
.view-stat-count{
  font-size:1.4em;font-weight:700;color:#c4a574;
  line-height:1;
}
.view-stat-sub{color:#b5a78b;font-size:.85em}
.view-stat-sep{color:#ddd}
.view-base-input{
  width:72px;border:1px solid #ddd;border-radius:6px;
  padding:3px 7px;font-size:.88em;text-align:center;
  color:#5d4e37;background:#fdfaf5;
}
.view-base-input:focus{outline:none;border-color:#c4a574}

/* 管理卡片视频标记 */
.card-img.card-video{position:relative}
.card-play-icon{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-size:1.6em;color:rgba(255,255,255,.9);
  background:rgba(0,0,0,.4);
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  padding-left:3px;pointer-events:none;
}

/* ===== 页脚 ===== */
footer{
  text-align:center;padding:30px 20px;
  color:#bbac92;font-size:.85em;
}