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

:root{
  --bg: #f7f8fb;
  --ink: #0f172a;
  --muted: rgba(15,23,42,0.72);
  --muted2: rgba(15,23,42,0.60);
  --card: #ffffff;
  --line: rgba(15,23,42,0.10);
  --brand: #2563eb;
  --brand2:#22c55e;
  --accent:#0b1224;
  --radius: 18px;
  --shadow: 0 12px 28px rgba(2, 6, 23, 0.08);
}

html{ scroll-behavior: smooth; }
body{
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}
img{ max-width: 100%; display:block; }
a{ color: inherit; text-decoration: none; }

/* Layout: desktop sidebar + content */
.layout{
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar{
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 18px 16px;
  background: linear-gradient(180deg, #0b1224, #0f1a33);
  color: rgba(255,255,255,0.88);
  border-right: 1px solid rgba(255,255,255,0.10);
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
}
.brand__badge{
  width: 42px;
  height: 42px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: #0b1224;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
  letter-spacing: 0.5px;
  box-shadow: 0 16px 44px rgba(37,99,235,0.22);
}
.brand__text strong{ display:block; font-size: 16px; }
.brand__text small{ display:block; margin-top: 2px; font-size: 12px; opacity: 0.78; }
.brand--mini .brand__badge{ width: 38px; height: 38px; border-radius: 14px; }

.snav{
  margin-top: 16px;
  display:grid;
  gap: 8px;
}
.snav__link{
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  font-weight: 800;
  font-size: 14px;
  opacity: 0.92;
}
.snav__link:hover{ opacity: 1; border-color: rgba(255,255,255,0.18); }
.snav__link.active{
  background: rgba(34,197,94,0.16);
  border-color: rgba(34,197,94,0.20);
  color: rgba(255,255,255,0.96);
}

.sidecard{
  margin-top: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  padding: 12px;
}
.sidecard__row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.14);
  font-size: 13px;
}
.sidecard__row:last-child{ border-bottom: none; }
.sidecard .k{ opacity: 0.72; }
.sidecard .v{ font-weight: 900; }
.sidehint{
  margin-top: 14px;
  font-size: 12px;
  opacity: 0.70;
}

/* Mobile top bar (hidden on desktop) */
.topbar{
  display:none;
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247,248,251,0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  padding: 10px 12px;
  gap: 10px;
}
.tnav{
  display:flex;
  gap: 10px;
  overflow:auto;
  padding-bottom: 6px;
}
.tnav__link{
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 900;
  padding: 8px 10px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid rgba(15,23,42,0.10);
}
.tnav__link.active{
  background: rgba(37,99,235,0.12);
  border-color: rgba(37,99,235,0.20);
}

.main{ padding: 18px 18px 0; }

/* Hero */
.hero{
  background:
    radial-gradient(900px 420px at 20% 10%, rgba(37,99,235,0.16), rgba(37,99,235,0)),
    radial-gradient(900px 420px at 85% 0%, rgba(34,197,94,0.12), rgba(34,197,94,0));
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(15,23,42,0.08);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.hero__grid{
  display:grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 14px;
  padding: 20px;
}
.eyebrow{
  display:inline-block;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(15,23,42,0.08);
  margin-bottom: 12px;
}
.hero h1{ font-size: 30px; line-height: 1.2; margin-bottom: 10px; }
.lead{ font-size: 14px; color: var(--muted); }
.hero__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--primary{
  background: var(--brand2);
  color: #052e16;
  box-shadow: 0 16px 40px rgba(34,197,94,0.22);
}
.btn--primary:hover{ transform: translateY(-1px); background: #16a34a; }
.btn--ghost{
  background: #ffffff;
  border-color: rgba(15,23,42,0.12);
}
.btn--ghost:hover{ transform: translateY(-1px); border-color: rgba(15,23,42,0.22); }
.btn--dark{
  background: var(--accent);
  color: rgba(255,255,255,0.92);
}
.btn--dark:hover{ transform: translateY(-1px); background: #0f1a33; }
.btn--light{
  background: #ffffff;
  border-color: rgba(15,23,42,0.12);
}
.btn--light:hover{ transform: translateY(-1px); border-color: rgba(15,23,42,0.22); }

.photo{ border-radius: 16px; overflow:hidden; border: 1px solid rgba(15,23,42,0.10); box-shadow: 0 12px 28px rgba(2,6,23,0.10); }
.photo img{ width:100%; height: 140px; object-fit: cover; }
.photo--big img{ height: 220px; }
.photo-row{ margin-top: 10px; display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.metric{
  margin-top: 10px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.metric__item{
  padding: 12px;
  border-radius: 16px;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(15,23,42,0.10);
}
.metric__item .n{ font-weight: 900; color: #1d4ed8; display:block; }
.metric__item .t{ display:block; font-size: 12px; color: var(--muted2); margin-top: 4px; }
.metric__item .d{ display:block; font-size: 13px; font-weight: 900; margin-top: 2px; }

/* Sections */
.section{ padding: 26px 0; }
.section--tint{
  padding: 26px 0;
  border-top: 1px solid rgba(15,23,42,0.06);
  border-bottom: 1px solid rgba(15,23,42,0.06);
  background: rgba(37,99,235,0.05);
  border-radius: calc(var(--radius) + 6px);
  padding-left: 16px;
  padding-right: 16px;
}
.section__head{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.section__head h2{ font-size: 20px; }
.section__head p{ font-size: 14px; color: var(--muted2); max-width: 720px; }

/* Magazine grid */
.mag{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.mag__card{
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid rgba(15,23,42,0.08);
  box-shadow: 0 10px 24px rgba(2,6,23,0.06);
  padding: 16px;
}
.mag__card--wide{ grid-column: span 2; }
.mag__card h3{ font-size: 16px; margin-bottom: 6px; }
.mag__card p{ font-size: 14px; color: var(--muted); }
.mag__tags{ margin-top: 10px; display:flex; flex-wrap: wrap; gap: 8px; }
.chip{
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.18);
  color: #14532d;
  font-weight: 800;
}

/* Split */
.split{
  display:grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 12px;
  align-items:center;
}
.split__media img{
  border-radius: 18px;
  border: 1px solid rgba(15,23,42,0.10);
  box-shadow: var(--shadow);
  height: 260px;
  width: 100%;
  object-fit: cover;
}
.list{ padding-left: 18px; }
.list li{ margin-bottom: 8px; color: rgba(15,23,42,0.76); font-size: 14px; }
.list strong{ color: #0f172a; }
.link{ font-weight: 900; color: #1d4ed8; }
.link:hover{ text-decoration: underline; }

/* CTA */
.section--cta{ padding-top: 10px; }
.cta{
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(15,23,42,0.10);
  background: linear-gradient(135deg, #0b1224, #0f1a33);
  color: rgba(255,255,255,0.90);
  padding: 18px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
}
.cta__copy h2{ font-size: 18px; margin-bottom: 6px; }
.cta__copy p{ font-size: 14px; opacity: 0.78; }
.cta__actions{ display:flex; gap: 10px; flex-wrap: wrap; }

/* Footer */
.footer{
  margin-top: 14px;
  border-top: 1px solid rgba(15,23,42,0.08);
  padding: 22px 0 0;
}
.footer__grid{
  display:grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr) minmax(0, 0.7fr);
  gap: 12px;
  padding: 0 6px 16px;
}
.footer__brand{ margin-bottom: 8px; }
.fmuted{ color: var(--muted2); font-size: 13px; }
.fcol h4{ font-size: 14px; margin-bottom: 8px; }
.fcol a{ display:block; font-size: 13px; color: rgba(15,23,42,0.78); padding: 4px 0; }
.fcol a:hover{ color: #0f172a; text-decoration: underline; }
.fcol p{ font-size: 13px; color: rgba(15,23,42,0.72); padding: 2px 0; }
.footer__bottom{
  border-top: 1px solid rgba(15,23,42,0.08);
  padding: 10px 6px 14px;
  color: rgba(15,23,42,0.60);
  font-size: 12px;
}

/* Simple form */
.form{
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(15,23,42,0.10);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
  padding: 16px;
}
.form__row{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}
.form label{ display:block; }
.form span{
  display:block;
  font-size: 13px;
  font-weight: 900;
  color: rgba(15,23,42,0.82);
  margin-bottom: 4px;
}
.form input,
.form select,
.form textarea{
  width:100%;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(15,23,42,0.14);
  outline:none;
  background: #ffffff;
  font-size: 14px;
  transition: box-shadow .18s ease, border-color .18s ease;
}
.form input:focus,
.form select:focus,
.form textarea:focus{
  border-color: rgba(37,99,235,0.55);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.16);
}
.form__full{ margin-bottom: 10px; }

/* Responsive */
@media (max-width: 980px){
  .layout{ grid-template-columns: 1fr; }
  .sidebar{ display:none; }
  .topbar{ display:flex; flex-direction: column; }
  .main{ padding: 14px 12px 0; }
  .hero__grid{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .split__media img{ height: 220px; }
  .mag{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mag__card--wide{ grid-column: span 2; }
}

@media (max-width: 640px){
  .hero h1{ font-size: 26px; }
  .metric{ grid-template-columns: 1fr; }
  .photo-row{ grid-template-columns: 1fr; }
  .mag{ grid-template-columns: 1fr; }
  .mag__card--wide{ grid-column: auto; }
  .cta{ flex-direction: column; align-items: flex-start; }
  .footer__grid{ grid-template-columns: 1fr; }
  .form__row{ grid-template-columns: 1fr; }
}