:root{
  --primary:#44739e; --accent:#009ac7; --bg:#f4f8fc; --card:#ffffff; --text:#203040;
  --muted:#5e6c79; --border:#dbe6ef; --shadow:0 14px 34px rgba(32,48,64,.08); --radius:20px; --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:Arial,Helvetica,sans-serif; color:var(--text);
  background:radial-gradient(circle at top left, rgba(0,154,199,.08), transparent 28%), linear-gradient(180deg,#fbfdff 0%,var(--bg) 100%);
  line-height:1.65;
}
a{color:var(--primary); text-decoration:none}
a:hover{text-decoration:underline}
img,video,iframe{max-width:100%; display:block}
.container{width:min(calc(100% - 32px),var(--max)); margin:0 auto}
.site-header{
  position:sticky; top:0; z-index:20; background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px); border-bottom:1px solid rgba(219,230,239,.85)
}
.nav{display:flex; align-items:center; justify-content:space-between; gap:20px; padding:16px 0}
.brand{display:flex; align-items:center; gap:12px; font-weight:700; font-size:1.15rem; color:var(--text)}
.brand-mark{
  width:42px; height:42px; border-radius:12px; display:grid; place-items:center; color:#fff; font-weight:700;
  background:linear-gradient(135deg,var(--accent),var(--primary)); box-shadow:var(--shadow)
}
.nav-toggle{
  display:none; border:1px solid var(--border); background:#fff; border-radius:12px;
  padding:10px 12px; font-weight:700; cursor:pointer
}
.nav-links{display:flex; flex-wrap:wrap; gap:20px; font-size:.98rem}
.page-pad{padding:36px 0}
.grid-main{display:grid; grid-template-columns:minmax(0,1.8fr) minmax(280px,.8fr); gap:28px; align-items:start}
.card{background:var(--card); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow)}
.blog-post{overflow:hidden; margin-bottom:22px}
.post-thumb{
  aspect-ratio:16/8; background:linear-gradient(135deg, rgba(68,115,158,.95), rgba(0,154,199,.9)), linear-gradient(45deg, #dcecf7, #ffffff);
  color:rgba(255,255,255,.93); display:grid; place-items:center; font-weight:700; letter-spacing:.05em; text-align:center; padding:18px
}
.post-body,.mini-card,.post-content{padding:26px}
h1,h2,h3{line-height:1.14; margin:0 0 14px}
h1{font-size:clamp(2rem,4vw,3.2rem); letter-spacing:-.02em}
h2{font-size:clamp(1.45rem,2vw,1.95rem)}
.lead{font-size:1.08rem; color:var(--muted); max-width:62ch}
.meta{font-size:.92rem; color:var(--muted); margin-bottom:12px}
.muted{color:var(--muted)}
.tag{
  display:inline-block; padding:4px 10px; border-radius:999px; background:rgba(0,154,199,.1); color:var(--primary);
  font-size:.82rem; font-weight:700; margin-bottom:12px
}
.button{
  display:inline-flex; align-items:center; justify-content:center; padding:12px 18px; border-radius:12px;
  font-weight:700; border:1px solid var(--border); background:#fff; color:var(--text);
  transition:transform .15s ease, box-shadow .15s ease; cursor:pointer
}
.button:hover{transform:translateY(-1px); box-shadow:0 8px 18px rgba(31,45,61,.08); text-decoration:none}
.button.primary{background:linear-gradient(135deg,var(--accent),var(--primary)); color:#fff; border-color:transparent}
.actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:18px}
.sidebar{display:grid; gap:22px}
.list-clean{list-style:none; padding:0; margin:0; display:grid; gap:12px}
.list-clean li{padding-bottom:12px; border-bottom:1px solid var(--border)}
.list-clean li:last-child{border-bottom:none; padding-bottom:0}
.archive-list{display:grid; gap:14px}
.archive-item{border:1px solid var(--border); border-radius:16px; padding:18px 20px; background:#fff}
.gallery-grid{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px}
.photo{
  aspect-ratio:1/1; border-radius:18px; border:1px solid var(--border); box-shadow:var(--shadow);
  display:grid; place-items:center; text-align:center; padding:18px; background:linear-gradient(135deg,#fafdff,#eaf4fb); font-weight:700; color:var(--primary)
}
.callout{
  border-left:4px solid var(--accent); padding:14px 16px; background:#f6fbfe; border-radius:10px; margin:18px 0
}
.breadcrumbs{font-size:.92rem; color:var(--muted); margin-bottom:10px}
.footer{margin:38px 0 24px; padding:24px 0 6px; border-top:1px solid var(--border)}
.footer-row{display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap}
figure{margin:18px 0}
p{margin:0 0 16px}
figcaption{line-height:1.5}
@media (max-width:980px){.grid-main,.gallery-grid{grid-template-columns:1fr}.gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){
  .nav{align-items:start; flex-direction:column}
  .nav-toggle{display:inline-flex}
  .nav-links{display:none; flex-direction:column; width:100%; gap:12px}
  .nav-links.show{display:flex}
  .post-body,.mini-card,.post-content{padding:20px}
  .actions{flex-direction:column}
  .button{width:100%}
  .gallery-grid{grid-template-columns:1fr}
}