/* ============ Luna 的画本：手绘风基础样式 ============ */
:root{
  --paper:#FFF8E8; --desk:#F3E3C3; --ink:#3B2F4A; --muted:#7A6A8A; --card:#FFFDF6; --line:rgba(59,47,74,.18);
  --shadow:rgba(59,47,74,.28);
  --wob:255px 15px 225px 15px/15px 225px 15px 255px;      /* 手绘感的不规则圆角 */
  --wob2:15px 225px 15px 255px/255px 15px 225px 15px;
  --font:"Ma Shan Zheng","ZCOOL KuaiLe","Kaiti SC","STKaiti","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"ZCOOL KuaiLe","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .35 0 0 0 0 .25 0 0 0 0 .15 0 0 0 .09 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  --doodles:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' fill='none' stroke='%23c9a66b' stroke-width='2.2' stroke-linecap='round' opacity='.45'%3E%3Cpath d='M30 40l6 14 15 2-11 10 3 15-13-8-13 8 3-15-11-10 15-2z'/%3E%3Cpath d='M170 60c6-12 22-12 28 0s-6 22-14 16'/%3E%3Cpath d='M60 170q10-14 20 0t20 0 20 0'/%3E%3Cpath d='M200 190l12 12m0-12l-12 12'/%3E%3Ccircle cx='120' cy='40' r='7'/%3E%3Cpath d='M20 220c10-8 20-8 28 0'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: dark){
  :root{--paper:#3A2F4F; --desk:#2A2140; --ink:#FFF3DC; --muted:#C9B8E0; --card:#FFFDF6; --line:rgba(255,243,220,.22); --shadow:rgba(0,0,0,.5)}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--font-body);color:var(--ink);line-height:1.7;overflow-x:hidden;
  background:var(--grain),var(--doodles),var(--desk);background-attachment:fixed,fixed,fixed}
a{color:inherit}
img{max-width:100%}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;color:#000;padding:8px 12px;border-radius:8px;z-index:99}
.wrap{max-width:1240px;margin:0 auto;padding:0 16px}
h1,h2,h3{font-family:var(--font);font-weight:400;letter-spacing:1px}

/* ---------- 顶栏 ---------- */
.topbar{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--desk) 92%,transparent);backdrop-filter:blur(8px);border-bottom:3px dashed var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:14px;min-height:60px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.logo{font-family:var(--font);font-size:26px;text-decoration:none;display:flex;align-items:center;gap:8px;white-space:nowrap}
.logo b{display:grid;place-items:center;width:40px;height:40px;background:#FFD166;border:3px solid var(--ink);border-radius:var(--wob);box-shadow:3px 3px 0 var(--ink);transform:rotate(-8deg);font-size:20px}
.menu{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto;align-items:center}
.menu a{text-decoration:none;padding:4px 14px;border-radius:var(--wob);border:3px solid transparent;transition:transform .15s}
.menu a:hover,.menu a:focus-visible,.menu a[aria-current=page]{background:#FFE08A;color:#4A3300;border-color:var(--ink);transform:rotate(-2deg);outline:none}
.search{display:flex;gap:4px}
.search input{font:inherit;border:3px solid var(--ink);border-radius:var(--wob);padding:3px 14px;background:var(--card);color:#3B2F4A;width:140px;min-width:0}
.search button{font:inherit;border:3px solid var(--ink);border-radius:var(--wob2);padding:3px 12px;background:#B8A4F0;color:var(--ink);cursor:pointer;box-shadow:2px 2px 0 var(--ink)}

/* ---------- 按钮 / 标签 ---------- */
.btn{display:inline-block;text-decoration:none;padding:8px 22px;border:3px solid var(--ink);border-radius:var(--wob);color:var(--ink);background:var(--c,#FFD166);
  box-shadow:4px 4px 0 var(--ink);transition:transform .15s,box-shadow .15s;font-family:var(--font);font-size:20px;cursor:pointer;line-height:1.4}
.btn:hover,.btn:focus-visible{transform:translate(-2px,-3px) rotate(-2deg);box-shadow:6px 7px 0 var(--ink);outline:none}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn.ghost{background:var(--card)}
.chip{display:inline-flex;align-items:center;gap:6px;text-decoration:none;padding:2px 14px;border:3px solid var(--ink);border-radius:var(--wob);background:var(--c,#B8A4F0);color:var(--ink);font-size:15px;box-shadow:2px 2px 0 var(--ink)}
.chip.date{--c:#FFD166}
.chips-row{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 14px}

/* ---------- 分组导航 ---------- */
nav.chips{padding:10px 12px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
nav.chips a{text-decoration:none;padding:4px 16px;border:3px solid var(--ink);border-radius:var(--wob);background:var(--c);color:var(--ink);box-shadow:3px 3px 0 var(--ink);transition:transform .15s;white-space:nowrap;font-size:17px}
nav.chips a:hover,nav.chips a:focus-visible,nav.chips a[aria-current=page]{transform:translate(-2px,-3px) rotate(-2deg);outline:none}
nav.chips a small{opacity:.7;margin-left:4px}

/* ---------- 分组区块 + 卡片 ---------- */
main{padding-bottom:40px}
section.group{margin-top:34px}
.group-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.badge{font-size:32px;width:64px;height:64px;display:grid;place-items:center;background:var(--c);border:3px solid var(--ink);border-radius:var(--wob);box-shadow:3px 3px 0 var(--ink);transform:rotate(-6deg)}
.group-head h2,.group-head h1{margin:0;font-size:clamp(30px,4.6vw,44px)}
.group-head h2 a{text-decoration:none}
.group-head .more{margin-left:auto;text-decoration:none;border-bottom:3px wavy var(--c);}
.group-head p{margin:0;flex-basis:100%;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:32px 24px;align-items:start;padding:18px 4px}
.card{margin:0;position:relative;transform:rotate(var(--r,0deg));transition:transform .25s cubic-bezier(.3,1.6,.5,1)}
.card:nth-child(4n+1){--r:-2deg}.card:nth-child(4n+2){--r:1.5deg}.card:nth-child(4n+3){--r:-1deg}.card:nth-child(4n){--r:2.2deg}
.card:hover,.card:focus-within{transform:rotate(0) scale(1.05) translateY(-4px);z-index:5}
.card a{display:block;text-decoration:none;background:var(--card);padding:10px 10px 12px;border:3px solid var(--ink);border-radius:var(--wob2);box-shadow:5px 6px 0 var(--shadow);color:#3B2F4A}
.card a:focus-visible{outline:3px solid var(--c);outline-offset:3px}
.card img{display:block;width:100%;height:auto;border-radius:4px;background:#f3ead9}
.card figcaption{margin-top:8px;text-align:center;font-family:var(--font);font-size:21px;line-height:1.3}
.card .date{display:block;text-align:center;font-size:13px;color:#8a7a99}
.card::before,.frame::before,.tape{content:"";position:absolute;top:-13px;left:50%;width:84px;height:24px;margin-left:-42px;z-index:2;
  background:repeating-linear-gradient(45deg,color-mix(in srgb,var(--c) 70%,#fff) 0 8px,color-mix(in srgb,var(--c) 45%,#fff) 8px 16px);
  opacity:.9;transform:rotate(-4deg);border-radius:2px;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.card:nth-child(even)::before{transform:rotate(5deg)}
.card .media-tags{position:absolute;right:8px;top:8px;display:flex;gap:4px;z-index:3}
.card .media-tags span{background:#fff;border:2px solid var(--ink);border-radius:999px;padding:0 7px;font-size:14px}

/* ---------- 面包屑 ---------- */
.crumbs{padding:16px 16px 0;font-size:15px;color:var(--muted)}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;gap:6px;flex-wrap:wrap}
.crumbs li+li::before{content:"›";margin-right:6px}
.crumbs a{text-decoration:none;border-bottom:2px dashed var(--line)}

/* ---------- 作品详情 ---------- */
.work{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:36px;align-items:start;padding:24px 0}
.frame{position:relative;background:var(--card);padding:16px;border:3px solid var(--ink);border-radius:var(--wob2);box-shadow:8px 9px 0 var(--shadow);transform:rotate(-1deg)}
.frame::before{width:110px;height:28px;margin-left:-55px;top:-15px}
.frame img{display:block;width:100%;height:auto;border-radius:4px;background:#f3ead9}
.info h1{margin:0 0 8px;font-size:clamp(34px,5vw,52px);line-height:1.2}
.info .desc{font-size:19px;white-space:pre-line;background:repeating-linear-gradient(transparent 0 33px,rgba(120,150,200,.35) 33px 34px);line-height:34px;padding:2px 8px}
.media{margin-top:18px;padding:14px;border:3px solid var(--ink);border-radius:var(--wob);background:var(--card);box-shadow:4px 4px 0 var(--shadow);color:#3B2F4A}
.media h2{margin:0 0 8px;font-size:22px}
.media audio,.media video{width:100%;border-radius:10px}
.share{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.pager{display:flex;justify-content:space-between;gap:12px;margin:10px 0 0;flex-wrap:wrap}
.pager a{flex:1 1 220px;text-decoration:none;display:flex;align-items:center;gap:12px;padding:10px 14px;border:3px solid var(--ink);border-radius:var(--wob);background:var(--card);box-shadow:4px 4px 0 var(--shadow);color:#3B2F4A;font-family:var(--font);font-size:20px}
.pager a.next{justify-content:flex-end;text-align:right}
.pager img{width:54px;height:54px;object-fit:cover;border-radius:8px}
.pager small{display:block;color:#8a7a99;font-family:var(--font-body);font-size:13px}
h2.sec{margin:34px 0 0;font-size:32px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin:24px 0 0;padding-left:34px}
.timeline::before{content:"";position:absolute;left:11px;top:6px;bottom:0;border-left:4px dotted var(--ink);opacity:.5}
.tl-month{position:relative;margin-bottom:34px}
.tl-month::before{content:"🌟";position:absolute;left:-34px;top:-2px;font-size:22px;line-height:1}
.tl-month h2{margin:0;font-size:30px}
.tl-month h2 small{font-family:var(--font-body);font-size:15px;color:var(--muted);margin-left:8px}
.tl-year{margin:30px 0 10px;font-size:44px;color:#FF6B6B}

/* ---------- 文章页 / 搜索 / 空状态 ---------- */
.prose{max-width:760px;margin:28px auto;padding:26px 30px;background:var(--card);color:#3B2F4A;border:3px solid var(--ink);border-radius:var(--wob2);box-shadow:8px 9px 0 var(--shadow)}
.prose h1{margin-top:0;font-size:40px}
.prose p{font-size:19px}
.empty{text-align:center;padding:50px 0;color:var(--muted);font-size:20px}

footer.site{text-align:center;padding:30px 16px 50px;color:var(--muted)}
footer.site a{border-bottom:2px dashed var(--line);text-decoration:none}
footer.site .totop{display:inline-block;margin-bottom:10px;padding:4px 18px;border:3px solid var(--ink);border-radius:var(--wob);background:#B8A4F0;color:var(--ink);box-shadow:3px 3px 0 var(--ink);font-family:var(--font);font-size:18px;border-bottom:3px solid var(--ink)}

@media (max-width:820px){.work{grid-template-columns:1fr;gap:24px}.frame{transform:none}}
@media (max-width:560px){
  nav.chips{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;scrollbar-width:none;padding:10px 12px 14px}
  nav.chips::-webkit-scrollbar{display:none}
  nav.chips a{padding:3px 12px;font-size:15px;flex:none}
  .grid{grid-template-columns:repeat(2,1fr);gap:26px 14px}
  .card figcaption{font-size:17px}.badge{width:52px;height:52px;font-size:26px}
  .search input{width:100px}.menu a{padding:3px 10px;font-size:15px}.logo{font-size:22px}
}
/* ---------- 手机：顶栏一行（logo + 菜单按钮），导航收进右侧抽屉。全站通用 ---------- */
.menu-btn,.drawer-head,.menu-mask{display:none}
@media (max-width:760px){
  .topbar{backdrop-filter:none;background:var(--desk)}      /* backdrop-filter 会让抽屉的 position:fixed 相对顶栏定位 */
  .topbar .wrap{flex-wrap:nowrap;min-height:54px;gap:10px;padding:6px 14px}
  .logo{font-size:21px;gap:8px}
  .logo b{width:32px;height:32px;font-size:16px;border-width:2px;box-shadow:2px 2px 0 var(--ink)}
  .menu-btn{display:grid;place-content:center;gap:4px;margin-left:auto;width:44px;height:40px;padding:0;cursor:pointer;
    border:3px solid var(--ink);border-radius:var(--wob);background:#FFE08A;box-shadow:2px 2px 0 var(--ink)}
  .menu-btn span{display:block;width:18px;height:3px;border-radius:2px;background:#3B2F4A}
  .menu{position:fixed;top:0;right:0;bottom:0;z-index:60;width:min(80vw,320px);margin:0;padding:14px 16px 24px;
    display:flex;flex-direction:column;flex-wrap:nowrap;align-items:stretch;gap:4px;overflow-y:auto;
    background:var(--paper);border-left:3px solid var(--ink);box-shadow:-10px 0 30px rgba(0,0,0,.28);
    transform:translateX(105%);visibility:hidden;transition:transform .28s cubic-bezier(.3,.8,.3,1),visibility 0s .28s}
  body.menu-open .menu{transform:none;visibility:visible;transition:transform .28s cubic-bezier(.3,.8,.3,1)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;order:-2;margin-bottom:6px;font-family:var(--font);font-size:24px}
  .menu-x{width:38px;height:38px;border:3px solid var(--ink);border-radius:var(--wob);background:#FF9AA2;color:#3B2F4A;font-size:16px;cursor:pointer;box-shadow:2px 2px 0 var(--ink)}
  .menu .search{order:-1;margin:2px 0 10px}
  .menu .search input{flex:1;width:auto;min-width:0;font-size:16px}   /* 16px：iOS 聚焦时不自动放大页面 */
  .menu a{font-size:18px;padding:9px 14px;border-width:3px}
  .menu a:hover,.menu a:focus-visible,.menu a[aria-current=page]{transform:none}
  .menu-mask{display:block;position:fixed;inset:0;z-index:55;background:rgba(35,20,60,.45);opacity:0;pointer-events:none;transition:opacity .25s}
  body.menu-open .menu-mask{opacity:1;pointer-events:auto}
  body.menu-open{overflow:hidden}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}