:root{
  --bg:#ffffff; --surface:#f7f7f5; --line:#e2e2dd; --line2:#c9c9c2;
  --ink:#1c1c1a; --ink2:#5f5e5a; --ink3:#8b8a84;
  --accent:#5b3fd8; --accent-bg:#efeafd;
  --ok:#0f6e56; --ok-bg:#e1f5ee;
  --warn:#854f0b; --warn-bg:#faeeda;
  --r:8px;
}
*{box-sizing:border-box}

html{background:#fbfaff}
body{margin:0;color:var(--ink);
  font:14px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background-color:#ffffff;
  background-image:
    radial-gradient(1000px 520px at 8% -12%, rgba(91,63,216,.075), rgba(91,63,216,0) 62%),
    radial-gradient(880px 460px at 96% -4%, rgba(15,143,111,.055), rgba(15,143,111,0) 64%),
    repeating-linear-gradient(0deg, rgba(91,63,216,.028) 0 1px, rgba(0,0,0,0) 1px 40px),
    repeating-linear-gradient(90deg, rgba(91,63,216,.028) 0 1px, rgba(0,0,0,0) 1px 40px);
  background-repeat:no-repeat,no-repeat,repeat,repeat;
  background-size:100% 780px,100% 780px,auto,auto;
  background-position:0 0,0 0,0 0,0 0;
}
.wrap{max-width:900px;margin:0 auto;padding:28px 20px 56px}

/* ---------- hero: illustrated background, text left / characters right ---------- */
.hero{position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;
  min-height:290px;padding:30px;margin:2px 0 26px;
  border:0.5px solid var(--line);border-radius:16px;
  background-image:
    linear-gradient(90deg, rgba(251,250,255,.96) 0%, rgba(251,250,255,.80) 34%, rgba(251,250,255,.28) 56%, rgba(251,250,255,0) 74%),
    url('/assets/hero-bg.jpg');
  background-size:cover,cover;
  background-position:center,right center;
  background-repeat:no-repeat,no-repeat;
  box-shadow:0 1px 3px rgba(28,28,26,.04)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(320px 240px at 97% 0%, rgba(91,63,216,.10), rgba(91,63,216,0) 70%)}
.hero > *{position:relative;z-index:1;max-width:54%}
.hero h1{font-size:26px;line-height:1.25;margin:0 0 10px}
.hero .sub{margin:0 0 14px}
.hero-note{display:flex;gap:8px;flex-wrap:wrap;margin-top:2px}
.hero-note span{font-size:11.5px;padding:3px 9px;border-radius:999px;
  background:rgba(255,255,255,.78);border:0.5px solid var(--line);color:var(--ink2);
  backdrop-filter:blur(2px)}

/* ---------- page header band: peeking mascots on the right ---------- */
.pagehead{position:relative;overflow:hidden;
  margin:0 0 22px;padding:24px 26px;border-radius:14px;border:0.5px solid var(--line);
  background-image:
    linear-gradient(90deg, rgba(251,250,255,.97) 0%, rgba(251,250,255,.86) 40%, rgba(251,250,255,.30) 64%, rgba(251,250,255,0) 84%),
    url('/assets/head-bg.jpg');
  background-size:cover,cover;
  background-position:center,right 30%;
  background-repeat:no-repeat,no-repeat;
  min-height:150px;display:flex;flex-direction:column;justify-content:center;
  box-shadow:0 1px 3px rgba(28,28,26,.04)}
.pagehead > *{position:relative;z-index:1;max-width:60%}
.pagehead h1{margin:0 0 6px}
.pagehead .sub{margin:0}

h1{font-size:23px;font-weight:500;margin:0 0 8px;letter-spacing:-.01em}
h2{font-size:17px;font-weight:500;margin:30px 0 10px}
.sub{color:var(--ink2);font-size:14px;margin:0 0 20px}
.answer{background:var(--accent-bg);border-left:3px solid var(--accent);
  padding:12px 16px;border-radius:0 var(--r) var(--r) 0;margin:0 0 24px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- cards ---------- */
.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin:16px 0 8px}
.card{border:0.5px solid var(--line);border-radius:var(--r);padding:16px 18px;
  background:linear-gradient(180deg,#fffdf8 0%,#ffffff 46%);
  box-shadow:0 1px 2px rgba(28,28,26,.035);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.card:hover{transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(91,63,216,.10);border-color:#d8d2f6}
.card h3{margin:0 0 6px;font-size:15px;font-weight:500}
.card h3 a{color:var(--ink)}
.card p{margin:0 0 10px;font-size:13px;color:var(--ink2)}
.card .tag{display:inline-block;font-size:11px;padding:2px 7px;border-radius:4px;
  background:var(--surface);color:var(--ink2);margin-right:6px}
.card .soon{color:var(--ink3)}

.small{font-size:12px;color:var(--ink2)}
.note{background:var(--warn-bg);border-radius:var(--r);padding:10px 14px;
  font-size:12.5px;color:var(--warn);margin:16px 0}
.ad{background:var(--surface);border:0.5px dashed var(--line2);border-radius:var(--r);
  padding:10px;text-align:center;color:var(--ink3);font-size:12px;margin:20px 0}

footer{border-top:0.5px solid var(--line);margin-top:36px;padding-top:14px;
  font-size:12px;color:var(--ink3);display:flex;gap:16px;flex-wrap:wrap}
footer a{color:var(--ink2)}

@media(max-width:720px){
  .hero{padding:22px 20px;min-height:250px}
  .hero > *{max-width:100%}
  .hero h1{font-size:22px}
  .pagehead > *{max-width:100%}
}
@media(max-width:640px){h1{font-size:20px}.wrap{padding:18px 14px 40px}}