/* AIDEN LIFE TIPS — 视觉风格：明亮 · 彩色 · 放松（跟 Aiden Memo 的暗色系刻意区分开）
   基础部分移植自 demo/assets/style.css，新增了真实 Markdown 正文（.article-body 内部
   元素）和上下篇导航（.note-pager）需要的样式，demo 阶段只有两篇写死的假文章，没有
   覆盖到这些情况。 */

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

:root{
  --cream:#FFFBF5;
  --paper:#FFFFFF;
  --ink:#3A342C;
  --ink-soft:#7A7268;
  --ink-faint:#B4AC9F;
  --line:rgba(58,52,44,.08);
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-sm:0 2px 10px rgba(120,90,60,.06);
  --shadow-md:0 14px 34px rgba(120,90,60,.10);
  --shadow-lg:0 24px 60px rgba(120,90,60,.16);
  --font-display:'Baloo 2','Quicksand','Noto Sans SC',sans-serif;
  --font-body:'Noto Sans SC','Quicksand',sans-serif;
}

html{scroll-behavior:smooth}
html,body{min-height:100vh}
body{
  background:var(--cream);
  color:var(--ink);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  position:relative;
  overflow-x:hidden;
}

/* ---------- 背景大色块，营造放松感 ---------- */
.bg-blobs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-blobs span{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;animation:blobFloat 22s ease-in-out infinite alternate}
.bg-blobs span:nth-child(1){width:38vw;height:38vw;top:-10%;left:-8%;background:radial-gradient(circle,hsl(28 100% 85%),transparent 70%);animation-delay:0s}
.bg-blobs span:nth-child(2){width:32vw;height:32vw;top:8%;right:-10%;background:radial-gradient(circle,hsl(150 70% 85%),transparent 70%);animation-delay:-6s}
.bg-blobs span:nth-child(3){width:34vw;height:34vw;bottom:-14%;left:18%;background:radial-gradient(circle,hsl(330 80% 88%),transparent 70%);animation-delay:-12s}
.bg-blobs span:nth-child(4){width:26vw;height:26vw;bottom:6%;right:6%;background:radial-gradient(circle,hsl(205 90% 87%),transparent 70%);animation-delay:-18s}
@keyframes blobFloat{
  0%{transform:translate(0,0) scale(1)}
  50%{transform:translate(3%,4%) scale(1.08)}
  100%{transform:translate(-3%,-2%) scale(0.96)}
}
@media(prefers-reduced-motion:reduce){.bg-blobs span{animation:none}}

/* ---------- 布局 ---------- */
.page{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 1.6rem}

/* ---------- 顶部导航 ---------- */
.topnav{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(255,251,245,.78);border-bottom:1px solid var(--line)}
.topnav-inner{width:100%;max-width:1180px;margin:0 auto;padding:.9rem 1.6rem;display:flex;align-items:center;gap:1.2rem}
.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--ink);flex-shrink:0}
.brand-mark{font-size:1.5rem;line-height:1}
.brand-text{font-family:var(--font-display);font-weight:700;font-size:1.15rem;letter-spacing:.02em}
.brand-text b{color:#FF7A45}
.nav-spacer{flex:1}
.nav-search{position:relative;width:min(280px,40vw)}
.nav-search input{
  width:100%;padding:.6rem 1rem .6rem 2.4rem;border-radius:999px;border:1px solid var(--line);
  background:var(--paper);font-family:var(--font-body);font-size:.88rem;color:var(--ink);
  outline:none;transition:box-shadow .2s,border-color .2s;
}
.nav-search input:focus{border-color:#FFB07A;box-shadow:0 0 0 4px rgba(255,150,90,.14)}
.nav-search::before{content:'🔍';position:absolute;left:.85rem;top:50%;transform:translateY(-50%);font-size:.85rem;opacity:.55}
.nav-home-link{font-size:.88rem;color:var(--ink-soft);text-decoration:none;padding:.5rem .9rem;border-radius:999px;transition:background .2s,color .2s;white-space:nowrap}
.nav-home-link:hover{background:rgba(255,150,90,.12);color:#E85D2E}

/* ---------- Hero ---------- */
.hero{padding:3.6rem 0 2.4rem;text-align:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;font-weight:600;letter-spacing:.08em;color:#E8763C;background:rgba(255,150,90,.14);padding:.35rem .9rem;border-radius:999px;margin-bottom:1.1rem}
.hero h1{font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,5vw,3.1rem);line-height:1.15;letter-spacing:.01em}
.hero h1 .rainbow{
  background:linear-gradient(90deg,#FF7A5C,#FFB84D,#4DBF8C,#4DA8FF,#B98BFA);
  background-size:200% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  animation:rainbowShift 8s linear infinite;
}
@keyframes rainbowShift{to{background-position:200% center}}
.hero p{margin-top:.9rem;color:var(--ink-soft);font-size:1.02rem;max-width:36rem;margin-left:auto;margin-right:auto;line-height:1.7}
.hero-search{max-width:30rem;margin:1.8rem auto 0;position:relative}
.hero-search input{
  width:100%;padding:1rem 1.4rem 1rem 3.1rem;border-radius:999px;border:1px solid var(--line);
  background:var(--paper);font-family:var(--font-body);font-size:1rem;color:var(--ink);
  outline:none;box-shadow:var(--shadow-sm);transition:box-shadow .25s,border-color .25s;
}
.hero-search input:focus{border-color:#FFB07A;box-shadow:0 0 0 6px rgba(255,150,90,.14)}
.hero-search::before{content:'🔍';position:absolute;left:1.3rem;top:50%;transform:translateY(-50%);opacity:.55}
.hero-hint{margin-top:.6rem;font-size:.78rem;color:var(--ink-faint)}

/* ---------- 分类卡片网格 ---------- */
.section{padding:1.6rem 0 3rem}
.section-title{font-family:var(--font-display);font-weight:700;font-size:1.2rem;margin-bottom:1.1rem;display:flex;align-items:center;gap:.5rem}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.1rem}

.cat-card{
  --h:20;
  position:relative;display:flex;flex-direction:column;gap:.7rem;
  background:var(--paper);border-radius:var(--radius-md);padding:1.5rem 1.4rem 1.3rem;
  text-decoration:none;color:var(--ink);border:1px solid var(--line);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s;
}
.cat-card::before{
  content:'';position:absolute;inset:0;opacity:.9;pointer-events:none;
  background:radial-gradient(120% 90% at 100% 0%,hsl(var(--h) 92% 92%),transparent 60%);
}
.cat-card::after{
  content:'';position:absolute;left:0;right:0;top:0;height:5px;
  background:hsl(var(--h) 82% 62%);
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cat-card:hover .cat-arrow{gap:.6rem}
.cat-top{position:relative;z-index:1;display:flex;align-items:flex-start;justify-content:space-between;gap:.6rem}
.cat-icon{
  width:3rem;height:3rem;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;background:hsl(var(--h) 88% 88%);box-shadow:inset 0 0 0 1px hsl(var(--h) 70% 78%);
}
.cat-count{position:relative;z-index:1;font-size:.72rem;font-weight:700;color:hsl(var(--h) 55% 38%);background:hsl(var(--h) 90% 93%);padding:.28rem .6rem;border-radius:999px;white-space:nowrap}
.cat-name{position:relative;z-index:1;font-family:var(--font-display);font-weight:700;font-size:1.12rem}
.cat-nameEn{position:relative;z-index:1;font-size:.68rem;letter-spacing:.1em;color:var(--ink-faint);font-weight:600}
.cat-desc{position:relative;z-index:1;font-size:.84rem;color:var(--ink-soft);line-height:1.6;flex:1}
.cat-arrow{position:relative;z-index:1;font-size:.82rem;font-weight:700;color:hsl(var(--h) 55% 42%);display:flex;align-items:center;gap:.35rem;transition:gap .2s}

.cat-card.hidden{display:none}
.empty-state{grid-column:1/-1;text-align:center;padding:2.4rem 1rem;color:var(--ink-faint);font-size:.92rem}

/* ---------- Footer ---------- */
.site-footer{margin-top:auto;padding:2.4rem 0 2.6rem;text-align:center;color:var(--ink-faint);font-size:.8rem;line-height:1.9}
.site-footer b{color:var(--ink-soft)}

/* ---------- Breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;font-size:.84rem;color:var(--ink-soft);margin-bottom:1.4rem}
.breadcrumb a{color:var(--ink-soft);text-decoration:none;transition:color .2s}
.breadcrumb a:hover{color:#E85D2E}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ---------- 分类 / 子主题 横幅 ---------- */
.cat-banner{
  --h:20;
  border-radius:var(--radius-lg);padding:2.4rem 2.2rem;margin-bottom:2rem;position:relative;overflow:hidden;
  background:linear-gradient(135deg,hsl(var(--h) 90% 94%),hsl(calc(var(--h) + 26) 88% 92%));
  border:1px solid hsl(var(--h) 60% 84%);
}
.cat-banner::before{
  content:'';position:absolute;right:-4rem;top:-4rem;width:14rem;height:14rem;border-radius:50%;
  background:hsl(var(--h) 90% 80% / .5);
}
.cat-banner-top{position:relative;z-index:1;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.cat-banner-icon{
  width:4.2rem;height:4.2rem;border-radius:20px;display:flex;align-items:center;justify-content:center;
  font-size:2.1rem;background:var(--paper);box-shadow:var(--shadow-sm);flex-shrink:0;
}
.cat-banner-title{position:relative;z-index:1}
.cat-banner h1{font-family:var(--font-display);font-weight:700;font-size:1.7rem;color:hsl(var(--h) 45% 28%)}
.cat-banner .en{font-size:.74rem;letter-spacing:.12em;font-weight:700;color:hsl(var(--h) 50% 42%);text-transform:uppercase}
.cat-banner p{position:relative;z-index:1;margin-top:.9rem;color:hsl(var(--h) 30% 32%);max-width:38rem;line-height:1.7;font-size:.92rem}
.cat-banner-stat{position:relative;z-index:1;margin-top:1.1rem;display:inline-flex;gap:.5rem;font-size:.78rem;font-weight:700;color:hsl(var(--h) 50% 34%);background:rgba(255,255,255,.6);padding:.4rem .85rem;border-radius:999px}

/* ---------- 子主题网格 ---------- */
.sub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}
.sub-card{
  --h:20;
  position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:1.3rem 1.3rem 1.1rem;text-decoration:none;color:var(--ink);box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;gap:.5rem;
}
.sub-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.sub-card .dot{width:.6rem;height:.6rem;border-radius:50%;background:hsl(var(--h) 75% 58%)}
.sub-card .label{font-family:var(--font-display);font-weight:700;font-size:1.02rem}
.sub-card .en{font-size:.72rem;color:var(--ink-faint);letter-spacing:.03em}
.sub-card .meta{margin-top:auto;padding-top:.5rem;font-size:.78rem;color:hsl(var(--h) 50% 42%);font-weight:700;display:flex;align-items:center;justify-content:space-between}
.sub-card.empty{opacity:.6;border-style:dashed}
.sub-card.empty .meta{color:var(--ink-faint)}
.tag-soon{font-size:.68rem;font-weight:700;background:hsl(var(--h) 90% 93%);color:hsl(var(--h) 50% 42%);padding:.2rem .55rem;border-radius:999px}

/* ---------- 文章列表 ---------- */
.article-list{display:flex;flex-direction:column;gap:.7rem}
.article-row{
  --h:20;
  display:flex;align-items:center;gap:1rem;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:1rem 1.2rem;text-decoration:none;color:var(--ink);
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.article-row:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:hsl(var(--h) 60% 78%)}
.article-row .icon{width:2.4rem;height:2.4rem;border-radius:12px;background:hsl(var(--h) 88% 90%);display:flex;align-items:center;justify-content:center;font-size:1.05rem;flex-shrink:0}
.article-row .title{flex:1;font-weight:600;font-size:.96rem}
.article-row .overview-badge{font-size:.68rem;font-weight:700;color:hsl(var(--h) 50% 40%);background:hsl(var(--h) 90% 92%);padding:.2rem .55rem;border-radius:999px}
.article-row .go{color:hsl(var(--h) 50% 42%);font-weight:700}

/* ---------- 文章详情 ---------- */
/* --h 定义在 .article-card 这一层，.article-head/.article-body 都靠继承拿到同一个色相，
   两者自己都不重新声明 --h（一旦子元素自己声明，会盖掉从父层继承来的值，颜色就对不上分类了） */
.article-card{--h:20;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);padding:2.4rem 2.2rem;box-shadow:var(--shadow-md)}
.article-head{margin-bottom:1.6rem;padding-bottom:1.6rem;border-bottom:1px dashed var(--line)}
.article-head .en-tag{font-size:.72rem;font-weight:700;letter-spacing:.08em;color:hsl(var(--h) 50% 42%);text-transform:uppercase}
.article-head h1{font-family:var(--font-display);font-weight:700;font-size:1.9rem;margin-top:.5rem}
.article-body{line-height:1.85;font-size:.98rem}
.article-body h2{font-family:var(--font-display);font-weight:700;font-size:1.2rem;margin:1.8rem 0 .8rem;color:#3A342C}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-family:var(--font-display);font-weight:700;font-size:1.02rem;margin:1.2rem 0 .6rem;color:#3A342C}
.article-body p{margin:0 0 1rem}
.article-body p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:.4rem 0 1rem 1.3rem}
.article-body ul ul,.article-body ul ol,.article-body ol ul,.article-body ol ol{margin-top:.4rem;margin-bottom:0}
.article-body li{margin-bottom:.45rem}
.article-body strong{color:#C2540E;font-weight:700}
.article-body a{color:#E85D2E;text-decoration:underline;text-underline-offset:2px}
.article-body img{max-width:100%;display:block;margin:1rem 0;border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:1.6rem 0}
.article-body hr.h3-rule{border-top:1px dashed var(--line);margin:1.4rem 0}
.article-body blockquote{margin:1rem 0 1.4rem;padding:.7rem 1.1rem;border-left:4px solid hsl(var(--h) 55% 60%);background:hsl(var(--h) 90% 96%);color:var(--ink-soft);font-style:italic}
.article-body blockquote p{margin:0}
.article-body pre{background:#2B2620;color:#F5EFE6;padding:1rem 1.1rem;border-radius:var(--radius-sm);overflow-x:auto;margin:1rem 0}
.article-body pre code{font-family:'SFMono-Regular',Consolas,monospace;font-size:.85rem;line-height:1.6}
.article-body code{font-family:'SFMono-Regular',Consolas,monospace;font-size:.9em;background:hsl(var(--h) 90% 94%);padding:.15em .4em;border-radius:6px}

.table-wrap,.article-body .table-scroll{overflow-x:auto;margin:1rem 0 1.4rem;border-radius:var(--radius-sm);border:1px solid var(--line)}
.article-body table{width:100%;border-collapse:collapse;font-size:.9rem}
.article-body th{background:#FFF3E8;text-align:left;padding:.65rem .9rem;font-weight:700;color:#8A5A2E;white-space:nowrap}
.article-body td{padding:.6rem .9rem;border-top:1px solid var(--line)}
.article-body tr:nth-child(even) td{background:#FFFCF8}

.callout{display:flex;gap:.7rem;align-items:flex-start;background:#FFF6EA;border:1px solid #FFE3BE;border-radius:var(--radius-sm);padding:.9rem 1.1rem;margin:1rem 0 1.4rem;font-size:.9rem;line-height:1.7}
.callout .callout-icon{font-size:1.1rem;flex-shrink:0}
.callout p{margin:0}
.callout-tip{background:#EAF6FF;border-color:#BEE3FF}
.callout-warn{background:#FFF0EE;border-color:#FFCFC7}
.callout-note{background:#FFF6EA;border-color:#FFE3BE}

/* 正文里 H2/H3 之间的分隔线（跟 Aiden Memo 用同一套图形，颜色改成跟随分类色相） */
.article-body .sec-divider{display:flex;align-items:center;justify-content:center;margin:1.6rem 0 1.2rem}
.article-body .sec-divider.v-wave{width:100%}
.article-body .sec-divider.v-wave svg{width:100%;height:14px;display:block}
.article-body .sec-divider.v-wave path{fill:none;stroke:hsl(var(--h) 55% 55%);stroke-width:1.6;stroke-linecap:round;opacity:.6}
.article-body .sub-divider{display:flex;align-items:center;gap:8px;margin:.7rem 0 1.1rem}
.article-body .sub-divider.h-tick .bar{width:20px;height:2px;background:hsl(var(--h) 55% 55%);border-radius:2px}
.article-body .sub-divider.h-tick .dot{width:3px;height:3px;border-radius:50%;background:hsl(var(--h) 55% 55%);opacity:.5}

/* ---------- 笔记页布局：正文 + 右侧手风琴导航 ---------- */
.note-layout{display:flex;align-items:flex-start;gap:1.8rem}
.note-main{flex:1;min-width:0;max-width:800px}

.note-accordion{
  --h:20;
  width:270px;flex-shrink:0;position:sticky;top:88px;max-height:calc(100vh - 110px);overflow-y:auto;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);
}
.note-accordion-title{font-family:var(--font-display);font-weight:700;font-size:.9rem;padding:1rem 1.2rem;border-bottom:1px solid var(--line);color:hsl(var(--h) 45% 32%)}
.note-accordion-body{padding:.7rem .9rem 1rem}

.acc-group{margin-bottom:.15rem}
.acc-group summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;gap:.4rem;
  padding:.5rem .6rem;border-radius:8px;font-size:.85rem;font-weight:600;color:var(--ink);
}
.acc-group summary::-webkit-details-marker{display:none}
.acc-group summary:hover{background:hsl(var(--h) 90% 95%)}
.acc-group summary::before{content:'▸';font-size:.68rem;color:var(--ink-faint);transition:transform .15s;flex-shrink:0}
.acc-group[open]>summary::before{transform:rotate(90deg)}
.acc-group-label{flex:1;min-width:0}
.acc-count{font-size:.68rem;color:var(--ink-faint);font-weight:600;flex-shrink:0}
.acc-group-body{padding-left:.6rem;margin:.1rem 0 .3rem 1rem;border-left:1px dashed var(--line)}

.acc-notes{list-style:none;margin:.15rem 0}
.acc-note-link{display:block;padding:.4rem .6rem;border-radius:8px;font-size:.82rem;color:var(--ink-soft);text-decoration:none;line-height:1.4}
.acc-note-link:hover{background:hsl(var(--h) 90% 95%);color:var(--ink)}
.acc-note-link.current{background:hsl(var(--h) 88% 90%);color:hsl(var(--h) 55% 32%);font-weight:700}

@media(max-width:880px){
  .note-layout{flex-direction:column}
  .note-main{max-width:100%;width:100%}
  .note-accordion{width:100%;position:static;max-height:none}
}

/* ---------- 上下篇导航 ---------- */
.note-pager{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:1.6rem;flex-wrap:wrap}
.note-pager .pager-link{flex:1;min-width:8rem;font-size:.86rem;font-weight:600;color:#E85D2E;text-decoration:none;padding:.7rem 1rem;border-radius:var(--radius-sm);background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.note-pager .pager-link:last-of-type{text-align:right}
.note-pager .pager-link:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.note-pager .pager-link.disabled{color:var(--ink-faint);background:transparent;box-shadow:none;border-style:dashed;cursor:default}
.note-pager .pager-link.disabled:hover{transform:none;box-shadow:none}
.note-pager .back-link{margin:0;flex-shrink:0}

/* ---------- 占位（内容还没整理好） ---------- */
.placeholder-card{--h:20;text-align:center;padding:3.2rem 1.6rem}
.placeholder-emoji{font-size:2.8rem;margin-bottom:1rem}
.placeholder-card h2{font-family:var(--font-display);font-size:1.15rem;margin-bottom:.6rem}
.placeholder-card p{color:var(--ink-soft);font-size:.9rem;max-width:26rem;margin:0 auto;line-height:1.75}
.skeleton-lines{max-width:22rem;margin:1.6rem auto 0;display:flex;flex-direction:column;gap:.55rem}
.skeleton-lines span{display:block;height:.65rem;border-radius:999px;background:hsl(var(--h) 85% 93%)}
.skeleton-lines span:nth-child(1){width:100%}
.skeleton-lines span:nth-child(2){width:88%}
.skeleton-lines span:nth-child(3){width:94%}
.skeleton-lines span:nth-child(4){width:70%}

.back-link{display:inline-flex;align-items:center;gap:.4rem;margin-top:1.6rem;font-size:.86rem;font-weight:700;color:#E85D2E;text-decoration:none}
.back-link:hover{text-decoration:underline}

@media(max-width:640px){
  .topnav-inner{gap:.7rem}
  .nav-search{width:36vw}
  .hero{padding:2.4rem 0 1.6rem}
  .cat-banner{padding:1.8rem 1.4rem}
  .article-card{padding:1.7rem 1.3rem}
  .note-pager .pager-link{min-width:100%;text-align:center!important;order:2}
  .note-pager .back-link{order:1;width:100%;justify-content:center}
}