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

:root{
  --bg:#f6f8fb;
  --paper:#ffffff;
  --ink:#0f172a;
  --muted:rgba(15,23,42,.72);
  --muted2:rgba(15,23,42,.58);
  --line:rgba(15,23,42,.10);
  --brand:#0ea5e9;    /* sky */
  --brand2:#14b8a6;   /* teal */
  --accent:#f97316;   /* warm */
  --shadow:0 14px 44px rgba(2,6,23,.12);
  --r:18px;
}

html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.8;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 16px}

/* Header */
.header{
  position:sticky;top:0;z-index:30;
  background:rgba(246,248,251,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(15,23,42,.08);
}
.header__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:12px 0;
}
.brand{
  display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.3px;
}
.brand__mark{
  width:40px;height:40px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  color:#03131b;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 18px 54px rgba(14,165,233,.22);
  position:relative;
}
.brand__mark::after{
  content:"";
  position:absolute;inset:-7px;border-radius:18px;
  background:radial-gradient(circle at 30% 30%, rgba(249,115,22,.26), rgba(249,115,22,0) 60%);
  z-index:-1;
}
.brand__name{display:flex;flex-direction:column;line-height:1.05}
.brand__name strong{font-size:15px}
.brand__name small{font-size:12px;color:rgba(15,23,42,.62);font-weight:900}

.nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nav a{
  font-size:14px;font-weight:900;
  padding:8px 10px;border-radius:999px;border:1px solid transparent;
  color:rgba(15,23,42,.82);
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.nav a:hover{background:rgba(14,165,233,.10);border-color:rgba(14,165,233,.18)}
.nav a.active{background:rgba(249,115,22,.16);border-color:rgba(249,115,22,.24);color:#7c2d12}

.cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:999px;
  background:var(--ink);color:rgba(255,255,255,.92);
  font-weight:900;font-size:13px;
  box-shadow:0 16px 40px rgba(15,23,42,.18);
}
.cta:hover{transform:translateY(-1px)}

/* Hero dashboard */
.hero{
  position:relative;
  background:
    radial-gradient(900px 440px at 12% 0%, rgba(14,165,233,.22), rgba(14,165,233,0)),
    radial-gradient(900px 440px at 82% 0%, rgba(20,184,166,.18), rgba(20,184,166,0)),
    linear-gradient(180deg,#ffffff,#f6f8fb);
  padding:40px 0 18px;
}
.hero h1{font-size:34px;line-height:1.18;margin:10px 0 10px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:999px;
  font-size:12px;font-weight:900;letter-spacing:1px;text-transform:uppercase;
  background:rgba(255,255,255,.78);
  border:1px solid rgba(15,23,42,.10);
}
.kicker i{width:10px;height:10px;border-radius:999px;background:linear-gradient(135deg,var(--accent),#fb7185);display:inline-flex}
.hero p{font-size:14px;color:rgba(15,23,42,.74);max-width:880px}
.hero__grid{
  display:grid;
  grid-template-columns:minmax(0, 1.05fr) minmax(0, .95fr);
  gap:12px;
  margin-top:14px;
  align-items:stretch;
}
.actions{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 16px;border-radius:999px;
  border:1px solid transparent;
  font-size:14px;font-weight:900;
  transition:transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.btn--brand{
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  color:#03131b;
  box-shadow:0 16px 40px rgba(14,165,233,.20);
}
.btn--brand:hover{transform:translateY(-1px);filter:saturate(1.05)}
.btn--ghost{
  background:#ffffff;border-color:rgba(15,23,42,.12);color:rgba(15,23,42,.88)
}
.btn--ghost:hover{transform:translateY(-1px);border-color:rgba(15,23,42,.22)}

.dash{
  background:rgba(255,255,255,.86);
  border:1px solid rgba(15,23,42,.10);
  border-radius:calc(var(--r) + 10px);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.dash img{height:210px;width:100%;object-fit:cover}
.dash__pad{padding:14px}
.dash__pad strong{display:block;font-size:14px}
.dash__pad span{display:block;font-size:12px;color:rgba(15,23,42,.62);margin-top:2px}

/* KPI strip */
.kpis{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:10px;
  margin-top:12px;
}
.kpi{
  background:#ffffff;
  border:1px solid rgba(15,23,42,.10);
  border-radius:calc(var(--r) + 8px);
  box-shadow:0 12px 28px rgba(2,6,23,.06);
  padding:12px;
}
.kpi b{display:block;font-size:18px}
.kpi span{display:block;font-size:12px;color:rgba(15,23,42,.62);margin-top:2px;font-weight:900}

/* Sections */
.section{padding:28px 0}
.card{
  background:#ffffff;border:1px solid rgba(15,23,42,.10);
  border-radius:calc(var(--r) + 10px);
  box-shadow:0 12px 28px rgba(2,6,23,.06);
  padding:16px;
}
.head{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:12px;flex-wrap:wrap;margin-bottom:12px;
}
.head h2{font-size:22px}
.head p{font-size:14px;color:rgba(15,23,42,.70);max-width:760px}

/* CSS radio tabs (no JS) */
.tabs{margin-top:10px}
.tabs input{position:absolute;left:-9999px}
.tabbar{display:flex;gap:8px;flex-wrap:wrap}
.tabbar label{
  cursor:pointer;
  padding:9px 12px;border-radius:999px;
  background:#ffffff;border:1px solid rgba(15,23,42,.10);
  font-weight:900;font-size:13px;color:rgba(15,23,42,.82);
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.tabbar label:hover{transform:translateY(-1px);border-color:rgba(14,165,233,.22)}
.panes{margin-top:12px}
.pane{display:none}
#tab1:checked ~ .tabbar label[for="tab1"],
#tab2:checked ~ .tabbar label[for="tab2"],
#tab3:checked ~ .tabbar label[for="tab3"]{
  background:rgba(14,165,233,.12);
  border-color:rgba(14,165,233,.22);
}
#tab1:checked ~ .panes #pane1{display:block}
#tab2:checked ~ .panes #pane2{display:block}
#tab3:checked ~ .panes #pane3{display:block}

.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 10px;border-radius:999px;
  background:rgba(249,115,22,.14);
  border:1px solid rgba(249,115,22,.22);
  color:#7c2d12;font-weight:900;font-size:12px;
}
.chip i{width:8px;height:8px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:inline-flex}

/* Spec matrix table */
.tableWrap{
  overflow:auto;
  border-radius:calc(var(--r) + 10px);
  border:1px solid rgba(15,23,42,.10);
  box-shadow:0 12px 28px rgba(2,6,23,.06);
  background:#ffffff;
}
table{width:100%;border-collapse:collapse;min-width:840px}
th,td{padding:14px 14px;border-bottom:1px solid rgba(15,23,42,.08);text-align:left;font-size:14px;vertical-align:top}
th{background:rgba(14,165,233,.08);font-weight:900}
tr:last-child td{border-bottom:none}

/* Footer */
.footer{
  margin-top:22px;
  background:linear-gradient(180deg,#0b1020,#0b0f18);
  color:rgba(255,255,255,.86);
  border-top:1px solid rgba(255,255,255,.10);
}
.footer__grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr) minmax(0,.8fr);
  gap:12px;
  padding:22px 0 16px;
}
.footer h4{font-size:14px;margin-bottom:8px;color:rgba(255,255,255,.92)}
.footer a{display:block;font-size:13px;padding:4px 0;color:rgba(255,255,255,.78)}
.footer a:hover{color:#ffffff;text-decoration:underline}
.footer p{font-size:13px;color:rgba(255,255,255,.72)}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:10px 0 14px;
  font-size:12px;
  color:rgba(255,255,255,.60);
}

@media (max-width: 980px){
  .hero__grid{grid-template-columns:1fr}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid2{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .cta{display:none}
}
@media (max-width: 640px){
  .hero h1{font-size:28px}
  .kpis{grid-template-columns:1fr}
}