@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700;800&family=Noto+Serif+SC:wght@600;700&display=swap');

:root{
  --color-primary: #0f766e;
  --color-secondary: #0ea5e9;
  --color-accent: #f97316;
  --color-red: #ef4444;
  --text: #0b1220;
  --muted: rgba(11,18,32,.62);
  --border: rgba(11,18,32,.12);
  --panel: rgba(255,255,255,.78);
  --card: rgba(255,255,255,.9);
  --shadow: 0 18px 45px rgba(11,18,32,.16);
  --shadow-soft: 0 10px 30px rgba(11,18,32,.10);
  --bg: #f5f2ea;
}

*{box-sizing:border-box}
html,body{height:100%}
button,input,select,textarea{font-family:inherit}
body{
  margin:0;
  font-family:"Manrope","Noto Sans SC","PingFang SC","Microsoft Yahei",sans-serif;
  color:var(--text);
  background: var(--bg);
  position:relative;
}
h1,h2,h3{font-family:"Noto Serif SC",serif}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image: radial-gradient(rgba(15,118,110,.12) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity:.35;
  pointer-events:none;
  z-index:-2;
}
body::after{
  content:"";
  position:fixed;
  inset:-20vh -10vw;
  background:
    radial-gradient(600px 280px at 8% 8%, rgba(14,165,233,.25), transparent 65%),
    radial-gradient(500px 260px at 90% 5%, rgba(249,115,22,.22), transparent 60%),
    radial-gradient(700px 420px at 50% 100%, rgba(15,118,110,.18), transparent 70%);
  pointer-events:none;
  z-index:-3;
}
a{color:inherit;text-decoration:none}
a:hover{opacity:.92}

header{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(16px) saturate(140%);
  background: rgba(255,255,255,.66);
  border-bottom:1px solid rgba(255,255,255,.7);
}
.navbar{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 20px;
}
.logo{
  font-weight:800;
  font-size:18px;
  color:var(--color-primary);
  font-family:"Noto Serif SC",serif;
}
.nav-links{
  list-style:none;margin:0;padding:0;
  display:flex;gap:10px;align-items:center;
  flex-wrap:nowrap;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{
  font-size:13px;
  color: rgba(11,18,32,.84);
  padding:6px 10px;border-radius:999px;
  background: rgba(255,255,255,.55);
  border:1px solid transparent;
}
.nav-links a.active{
  color:#fff;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-color: transparent;
  font-weight:700;
}
.nav-links a:not(.active):hover{
  background: rgba(255,255,255,.9);
  color: var(--color-primary);
}
.nav-links a.active:hover{
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  color:#fff;
}
.hamburger,.mobile-nav{display:none}

.hero{
  min-height:62vh;
  display:flex;
  align-items:flex-start;
  justify-content:center;
  padding:100px 18px 24px 18px;
}
.hero-inner{
  text-align:center;
  width:min(980px, calc(100vw - 36px));
  max-width:980px;
}
.hero-title{
  margin:0;
  font-size:46px;
  letter-spacing:1px;
  font-family:"Noto Serif SC",serif;
  background: linear-gradient(100deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-description{
  margin:14px 0 0 0;
  color:var(--muted);
  font-size:15px;
}
.cta-button{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:22px;
  padding:12px 20px;
  border-radius:999px;
  background: linear-gradient(120deg, var(--color-primary), var(--color-secondary));
  color:#fff;
  text-decoration:none;
  box-shadow: var(--shadow-soft);
}
.cta-button svg{opacity:.95}

.page{max-width:1180px;margin:18px auto;padding:0 20px 40px 20px}
.page-hero{
  border-radius:18px;
  padding:22px 22px;
  background: var(--panel);
  border:1px solid rgba(255,255,255,.8);
  box-shadow: var(--shadow-soft);
}
.page-hero h1{margin:0 0 6px 0;font-family:"Noto Serif SC",serif}
.page-hero p{margin:0;color:var(--muted)}

.hero-admin{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:18px;
  align-items:center;
}
.hero-admin h1{font-size:30px}
.hero-actions{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.hero-stats{
  display:flex;
  gap:12px;
  margin-top:14px;
  flex-wrap:wrap;
}
.stat-card{
  background: rgba(255,255,255,.9);
  border:1px solid rgba(11,18,32,.08);
  border-radius:14px;
  padding:10px 14px;
  min-width:100px;
  box-shadow: var(--shadow-soft);
}
.stat-value{font-weight:800;font-size:18px}
.stat-label{font-size:12px;color:var(--muted)}

.section-title{
  margin:0 0 16px 0;
  text-align:center;
  font-size:22px;
  color: rgba(15,118,110,.9);
  font-weight:800;
  letter-spacing:.6px;
}

.categories{padding:18px 18px 30px 18px}
.categories-grid{
  max-width:980px;
  margin:0 auto;
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap:16px;
}
.cat-card{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;
  gap:10px;
  padding:24px 18px;
  border-radius:16px;
  background: var(--card);
  border:1px solid rgba(255,255,255,.8);
  box-shadow: var(--shadow-soft);
  transition: transform .25s ease, box-shadow .25s ease;
  color: rgba(11,18,32,.92);
  overflow:hidden;
}
.cat-card::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:16px;
  border:1px solid rgba(15,118,110,.12);
  pointer-events:none;
}
.cat-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 22px 40px rgba(11,18,32,.16);
}
.cat-card svg,
.cat-card .cat-icon-img{
  border-radius:14px;
  background: rgba(255,255,255,.8);
  border:1px solid rgba(11,18,32,.10);
  box-shadow: 0 10px 18px rgba(11,18,32,.08);
  padding:8px;
  width:46px;
  height:46px;
  display:block;
}
.cat-card h3{margin:0;font-size:18px}
.cat-card p{margin:0;color:var(--muted);font-size:13px}

.panel{
  margin-top:18px;
  padding:18px;
  border-radius:18px;
  background: var(--panel);
  border:1px solid rgba(255,255,255,.8);
  box-shadow: var(--shadow-soft);
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:12px;
  gap:10px;
}
.panel-footer{display:flex;justify-content:flex-end;margin-top:10px}
.subtle-link{color: rgba(15,118,110,.95);font-size:13px;font-weight:700}
.subtle-link:hover{text-decoration:underline}
.loading,.empty-state{padding:10px;color:var(--muted);font-size:13px}
.categories-grid .empty-state{grid-column:1 / -1;text-align:center}


.cards{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap:14px;
}
.card{
  border-radius:16px;
  background: rgba(255,255,255,.86);
  border:1px solid rgba(255,255,255,.7);
  box-shadow: var(--shadow-soft);
  padding:14px 14px;
}
.card h3{margin:0 0 6px 0;font-size:16px}
.card .muted{color:var(--muted);font-size:13px}

.footer{
  text-align:center;
  padding:16px 0 20px 0;
  color: rgba(11,18,32,.55);
  font-size:12px;
  background: rgba(255,255,255,.45);
  border-top: 1px solid rgba(255,255,255,.7);
}

.admin-grid{
  display:grid;grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));gap:14px;
}
.admin-split{
  display:grid;grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));gap:14px;
}
.admin-card{
  border-radius:16px;
  background: rgba(255,255,255,.88);
  border:1px solid rgba(255,255,255,.7);
  padding:16px;
  box-shadow: var(--shadow-soft);
}
.admin-card h2{margin:0 0 8px 0;font-size:16px}
.admin-card h3{margin:0 0 12px 0;font-size:15px}
.muted{color:var(--muted)}
.form-row{display:flex;flex-direction:column;gap:6px;margin:10px 0}
.label{font-size:13px;color:rgba(11,18,32,.72);font-weight:700}
.input, select, textarea{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(11,18,32,.12);
  background: rgba(255,255,255,.95);
  outline:none;
  font-size:14px;
}
.input:focus, select:focus, textarea:focus{
  border-color: rgba(15,118,110,.5);
  box-shadow: 0 0 0 3px rgba(15,118,110,.12);
}
.input-group{
  display:flex;
  align-items:center;
  gap:8px;
}
.form-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:10px 14px;
  border-radius:12px;
  border:1px solid rgba(11,18,32,.12);
  background: rgba(255,255,255,.95);
  cursor:pointer;
  font-weight:700;
}
.btn.primary{
  background: linear-gradient(110deg, var(--color-primary), var(--color-secondary));
  border-color: transparent;
  color: #fff;
}
.btn.btn-ghost{
  background:transparent;
  border:1px solid rgba(11,18,32,.16);
  box-shadow:none;
  color:var(--text);
}
.btn.btn-danger{
  background: rgba(239,68,68,.12);
  border-color: rgba(239,68,68,.35);
  color: #b91c1c;
}
.btn:disabled{
  opacity:.6;
  cursor:not-allowed;
}
.hint,.help{color:rgba(11,18,32,.55);font-size:12px}

.quick-links{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 12px;
  border-radius:999px;
  background: rgba(15,118,110,.12);
  border:1px solid rgba(15,118,110,.2);
  font-weight:700;
  font-size:13px;
}

.admin-alert{
  background: rgba(15,118,110,.08);
  border:1px solid rgba(15,118,110,.2);
  padding:10px 12px;
  border-radius:12px;
  font-size:13px;
  color:rgba(11,18,32,.8);
}
.admin-alert.is-warn{
  background: rgba(239,68,68,.08);
  border-color: rgba(239,68,68,.25);
  color:#b91c1c;
}

.filter-bar{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:12px;
  justify-content:center;
}
.filter-tools{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:12px;
}
.filter-tools .input[type="search"]{
  flex:1;
  min-width:180px;
}
.chip{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(11,18,32,.12);
  background: rgba(255,255,255,.78);
  cursor:pointer;
  font-weight:800;
  font-size:12px;
  color: rgba(11,18,32,.75);
}
.chip.active{
  background: linear-gradient(110deg, var(--color-primary), var(--color-secondary));
  color:#fff;
  border-color: transparent;
}

.post-panel .post-toolbar{
  display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;
}
.post-panel{max-width:920px;margin:0 auto;}
.post-panel .post-title{margin:0 0 8px 0;font-size:26px;font-family:"Noto Serif SC",serif}
.post-panel .post-meta{color:var(--muted);font-size:12px;margin-bottom:16px}
.post-cover{
  width:100%;
  height:220px;
  border-radius:18px;
  background-size:cover;
  background-position:center;
  box-shadow: var(--shadow-soft);
  margin-bottom:16px;
}
.post-head{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.post-meta-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  margin-bottom:10px;
}
.meta-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:999px;
  background: rgba(15,118,110,.12);
  color: #0f766e;
  font-size:12px;
  font-weight:700;
}
.meta-chip.muted{
  background: rgba(11,18,32,.06);
  color: var(--muted);
  font-weight:600;
}
.prose{
  line-height:1.75;
  color: rgba(11,18,32,.9);
  font-size:16px;
}
.prose p{margin:12px 0}
.prose h1{font-size:28px;margin:20px 0 12px}
.prose h2{font-size:22px;margin:18px 0 10px}
.prose h3{font-size:18px;margin:16px 0 8px}
.prose ul,.prose ol{padding-left:22px;margin:12px 0}
.prose img{max-width:100%;border-radius:14px;box-shadow:0 10px 20px rgba(11,18,32,.08)}
.prose pre{
  overflow:auto;
  padding:14px 16px;
  border-radius:14px;
  background: rgba(11,18,32,.92);
  color:#fff;
}
.prose code{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;}
.prose blockquote{
  margin:12px 0;
  padding:12px 14px;
  border-left:4px solid rgba(15,118,110,.55);
  background: rgba(255,255,255,.75);
  border-radius:12px;
}
.prose table{
  width:100%;
  border-collapse: collapse;
  margin: 12px 0;
  overflow:hidden;
  border-radius: 12px;
}
.prose th,.prose td{
  border:1px solid rgba(11,18,32,.10);
  padding:8px 10px;
  background: rgba(255,255,255,.76);
}

.post-cards{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:14px;
}
@media (max-width: 760px){
  .post-cards{ grid-template-columns: 1fr; }
}
.post-card{
  display:grid;
  grid-template-columns: 1fr;
  gap:14px;
  padding:14px 14px;
  border-radius:16px;
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(11,18,32,.10);
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
}
.post-card.has-cover{
  grid-template-columns: 120px 1fr;
  align-items:stretch;
}
.post-card:hover{
  transform: translateY(-3px);
  box-shadow: 0 18px 30px rgba(11,18,32,.14);
}
.post-card-cover{
  width:100%;
  border-radius:12px;
  background-size:cover;
  background-position:center;
  min-height:88px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.4);
}
.post-card-body{display:flex;flex-direction:column}
.post-card-title{
  font-size:16px;
  font-weight:800;
  margin:0 0 8px 0;
  color: rgba(11,18,32,.92);
}
.post-card-meta{
  font-size:12px;
  color: rgba(11,18,32,.58);
  margin-bottom:8px;
}
.post-card-excerpt{
  font-size:13px;
  color: rgba(11,18,32,.78);
  line-height:1.55;
}

.list{display:flex;flex-direction:column;gap:12px}
.list-item{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding:14px 14px;
  border:1px solid rgba(11,18,32,.10);
  border-radius:16px;
  background:rgba(255,255,255,.92);
  box-shadow: var(--shadow-soft);
}
.list-item .list-right{margin-left:auto}
.list-item.is-open .list-body{display:block}
.list-left{display:flex;align-items:center;gap:12px;min-width:220px;flex:1}
.list-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.list-title{font-weight:800}
.list-sub{font-size:13px;color:var(--muted);margin-top:2px}
.list-meta{font-size:12px;color:rgba(11,18,32,.6)}
.list-body{display:none;border-top:1px dashed rgba(11,18,32,.12);padding-top:12px;flex-basis:100%}
.inline-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.danger-zone{
  background: rgba(239,68,68,.04);
  border:1px dashed rgba(239,68,68,.2);
  border-radius:12px;
  padding:10px;
}
.delete-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.is-hidden{display:none}

.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 8px;
  border-radius:999px;
  font-size:11px;
  font-weight:700;
}
.badge-ok{
  background: rgba(15,118,110,.12);
  color:#0f766e;
}
.badge-warn{
  background: rgba(249,115,22,.12);
  color:#c2410c;
}

.post-thumb{
  width:64px;
  height:64px;
  border-radius:12px;
  background-size:cover;
  background-position:center;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.4);
}
.post-thumb.placeholder{
  background: linear-gradient(140deg, rgba(15,118,110,.2), rgba(14,165,233,.15));
}

.divider{border:0;border-top:1px solid rgba(11,18,32,.10);margin:18px 0}

@keyframes floatIn{
  from{opacity:0;transform:translateY(12px)}
  to{opacity:1;transform:translateY(0)}
}
@media (prefers-reduced-motion: no-preference){
  .hero,.panel,.cat-card,.post-card,.list-item{animation:floatIn .6s ease both}
  .cat-card:nth-child(2){animation-delay:.05s}
  .cat-card:nth-child(3){animation-delay:.1s}
  .cat-card:nth-child(4){animation-delay:.15s}
  .cat-card:nth-child(5){animation-delay:.2s}
  .post-card:nth-child(2){animation-delay:.05s}
  .post-card:nth-child(3){animation-delay:.1s}
}

@media (max-width:900px){
  .hero-title{font-size:34px}
  .nav-links a{padding:6px 8px}
  .hero-admin{grid-template-columns:1fr}
  .hero-actions{flex-direction:row;flex-wrap:wrap}
}
@media (max-width:640px){
  .hero{padding-top:80px; min-height:54vh;}
  .hero-title{font-size:30px;}
  .post-card.has-cover{grid-template-columns:1fr}
  .post-card-cover{min-height:140px}
}