:root{
  --bg:#0b0d12;
  --panel:#121622;
  --text:#e9ecf1;
  --muted:#a9b0c0;
  --line:#232a3d;
  --accent:#7aa2ff;
  --accent2:#7dffb2;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}

.container{width:min(1120px,92vw);margin:0 auto}
.section{padding:78px 0;border-top:1px solid var(--line)}
h1{font-size:54px;line-height:1.06;margin:12px 0 10px}
h2{font-size:32px;margin:0 0 12px}
h3{font-size:18px;margin:0 0 10px}
p{color:var(--muted);line-height:1.7;margin:0 0 12px}
.lead{font-size:16px;color:#c9d1e3}
.muted{color:var(--muted)}
.small{font-size:13px}

.topbar{
  position:sticky;top:0;z-index:10;
  background:rgba(11,13,18,.72);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;position:relative}
.brand{font-weight:700;letter-spacing:.2px}
.nav{display:flex;gap:18px;align-items:center}
.nav a{color:var(--muted);font-size:14px}
.nav a:hover{color:var(--text)}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:8px 10px}

.hero{padding:80px 0 44px}
.hero-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:22px;
  align-items:start;
}
.hero-top{grid-column:1 / -1}
.hero-body{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:22px;
  align-items:start;
}
.hero-left{grid-column:1}
.hero-logo{grid-column:2}
.hero-logo{
  border:1px solid var(--line);
  background:rgba(18,22,34,.55);
  border-radius:var(--radius);
  padding:14px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.hero-logo img{
  width:100%;
  max-width:260px;
  height:auto;
  display:block;
  opacity:.9;
}
.badge{
  display:inline-flex;gap:10px;align-items:center;
  padding:8px 12px;border:1px solid var(--line);border-radius:999px;
  color:#cdd5ea;background:rgba(18,22,34,.65);
  font-size:12px
}
.subtitle{font-size:18px;color:#cdd5ea;margin-top:4px}
.strong-subtitle{font-size:28px;font-weight:700}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 18px}
.btn{
  border:1px solid var(--line);
  padding:10px 14px;border-radius:12px;
  background:rgba(18,22,34,.75);
  color:var(--text);
  font-weight:600;font-size:14px;
  cursor:pointer;
}
.btn:hover{border-color:#2f3a57}
.btn.primary{border-color:rgba(122,162,255,.45);box-shadow:0 0 0 4px rgba(122,162,255,.08)}
.btn.small{padding:8px 12px;border-radius:10px;font-size:13px}

.meta{
  display:grid;grid-template-columns:1fr;gap:10px;
  padding:14px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(18,22,34,.55)
}
.meta .k{display:inline-block;width:92px;color:#cdd5ea}
.meta .v{color:var(--muted)}

.hero-figure,
.wide-figure{
  border:1px solid var(--line);
  background:rgba(18,22,34,.55);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  max-width:100%;
  margin:18px 0 0;
}
.hero-figure img{
  width:96%;
  max-height:520px; /* Fig1 更大 */
  object-fit:contain;
  margin:12px auto 0;
}
.wide-figure img{
  width:96%;
  max-height:520px; /* Fig2 不要太高 */
  object-fit:contain;
  margin:12px auto 0;
}
.hero-figure figcaption,
.wide-figure figcaption{padding:12px 14px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}

.img-btn{
  display:block;width:100%;
  background:transparent;border:0;padding:0;cursor:zoom-in;
}
.img-btn:focus{outline:2px solid rgba(122,162,255,.35);outline-offset:2px}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-top:18px}

.card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(18,22,34,.55);
  padding:16px;
}
.card p{margin:0;color:var(--muted)}
.bullets{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.bullets li{margin:6px 0}

.callout{
  margin-top:18px;
  padding:14px 16px;
  border-radius:var(--radius);
  border:1px solid rgba(125,255,178,.25);
  background:rgba(125,255,178,.08);
  color:#d9ffe9;
}
.callout .bullets{color:#d9ffe9}

.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
}
.section-head.spaced{margin-top:18px}
.subhead{margin-top:28px;font-size:18px}
.section-actions{display:flex;gap:10px;align-items:center}

.task-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:16px;
}
.task-item{padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:rgba(11,13,18,.35);margin-top:10px}
.task-item h4{margin:0 0 6px;font-size:15px;color:#d9e2f3}
.bullets.compact{margin-top:6px}
.details{margin-top:16px;display:none}
.details.open{display:block}

.codeblock{
  margin-top:16px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#0a0c11;
  overflow:auto;
}
pre{margin:0;padding:14px 16px}
code{color:#d7def0;font-size:13px;line-height:1.6}

.footer{
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  color:var(--muted);
  font-size:13px;
}
.footer-links{display:flex;gap:14px}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--text)}

/* Controls */
.pillset{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.select,.input{
  background:rgba(18,22,34,.75);
  border:1px solid var(--line);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  font-size:14px;
}
.input{min-width:220px}

/* Table */
.table-wrap{
  margin-top:16px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:auto;
  background:rgba(18,22,34,.40);
}
.table{width:100%;border-collapse:collapse;min-width:760px}
.table th,.table td{padding:12px 12px;border-bottom:1px solid var(--line);text-align:left}
.table thead th{
  position:sticky;top:0;
  background:rgba(11,13,18,.92);
  backdrop-filter:blur(8px);
  cursor:pointer;
  font-size:13px;
  color:#cdd5ea;
}
.table td{color:var(--muted)}
.table td b{color:var(--text)}
.badge-open,.badge-closed{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 10px;border-radius:999px;font-size:12px;
  border:1px solid var(--line);background:rgba(18,22,34,.75);
}
.badge-closed{border-color:rgba(122,162,255,.35)}
.badge-open{border-color:rgba(125,255,178,.22)}
.num{color:#cdd5ea}
.num.miss{color:#6d7487}
.best{color:var(--accent)}

/* Carousel */
.carousel{
  margin-top:16px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:rgba(18,22,34,.40);
}
.carousel-track{
  display:flex;
  gap:0;
  overflow:hidden;
  scroll-behavior:smooth;
}
.slide{
  min-width:100%;
  padding:12px;
  display:grid;
  grid-template-columns: 1fr;
  gap:16px;
  align-items:center;
}
.slide img{
  width:100%;
  max-width:92%;
  margin:0 auto;
  max-height:360px;
  object-fit:contain;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(11,13,18,.55);
}
.slide .card{padding:12px}
.slide .card p{margin-bottom:6px}
.slide .card{height:100%}

/* Modal */
.modal{position:fixed;inset:0;display:none;z-index:50}
.modal.open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6)}
.modal-card{
  position:relative;
  width:min(1000px,92vw);
  margin:6vh auto 0;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(11,13,18,.94);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.modal-head{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.modal-cap{color:#cdd5ea;font-size:13px}
.modal-x{background:transparent;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:8px 10px;cursor:pointer}
#modalImg{width:100%;max-height:78vh;object-fit:contain;background:#05060a}

@media (max-width: 720px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .task-grid{grid-template-columns:1fr}
  .slide{grid-template-columns:1fr}
  .nav{display:none}
  .nav-toggle{display:inline-flex}
  .nav.open{
    display:flex;flex-direction:column;align-items:flex-start;
    position:absolute;right:4vw;top:58px;
    background:rgba(11,13,18,.92);
    border:1px solid var(--line);
    border-radius:14px;
    padding:10px 12px;
  }
}