* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
  font-family: Arial, Helvetica, sans-serif;
  color: #26364a;
  background:
    linear-gradient(135deg, rgba(15, 31, 78, .16) 25%, transparent 25%) 0 0/420px 420px,
    linear-gradient(315deg, rgba(110, 41, 173, .18) 25%, transparent 25%) 0 0/360px 360px,
    linear-gradient(150deg, #102b68, #236fb2 48%, #17113c);
}
.guide-topbar {
  height: 72px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  background: rgba(31, 50, 73, .8);
  border-bottom: 1px solid rgba(255,255,255,.18);
  text-shadow: 1px 2px 2px #000;
}
.guide-brand { display: flex; align-items: center; gap: 14px; color: #fff; text-decoration: none; font-size: 24px; }
.guide-brand img { width: 48px; height: 48px; border-radius: 7px; }
.guide-brand span { font-size: 34px; }
.guide-user { font-size: 18px; font-weight: 700; }
.guide-user span { margin: 0 10px; }
.guide-user a { color: #fff; text-decoration: none; }
.guide-wrap { width: min(766px, calc(100% - 24px)); margin: 15px auto 50px; }
.guide-box {
  margin-bottom: 14px;
  border-radius: 3px;
  overflow: hidden;
  background: rgba(239, 247, 252, .83);
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.guide-box-title { padding: 9px 14px; font-weight: 700; color: #52677e; background: rgba(250,253,255,.86); }
#guide-menu { padding: 16px 18px; display: flex; flex-wrap: wrap; gap: 9px 12px; }
#guide-menu button {
  min-height: 32px;
  padding: 0 15px;
  border: 1px solid #e7a10b;
  border-radius: 5px;
  color: #262000;
  font-weight: 700;
  background: linear-gradient(#ffd633, #ffad19);
  box-shadow: inset 0 1px #fff5a5, 0 2px 3px rgba(0,0,0,.22);
  cursor: pointer;
}
#guide-menu button:hover, #guide-menu button.active { filter: brightness(1.08); outline: 2px solid rgba(255,193,32,.35); }
.guide-content { min-height: 316px; }
.guide-welcome { min-height: 282px; display: grid; grid-template-columns: 180px 1fr 180px; align-items: center; text-align: center; padding: 16px; }
.guide-welcome p { margin: 0 0 12px; font-size: 22px; font-weight: 700; }
.guide-welcome h1 { margin: 0; font-size: 43px; color: #354967; }
.guide-welcome h2 { margin: 16px 0 45px; font-size: 23px; }
.guide-welcome .guide-hint { margin: 0; font-size: 14px; }
.guide-mascot {
  width: 150px;
  height: 190px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 74px;
  font-weight: 900;
  transform: rotate(-8deg);
  border-radius: 44% 56% 48% 52%;
  border: 7px solid #e8f8ff;
  background: radial-gradient(circle at 35% 25%, #d16cff, #6b0daa 58%, #241140);
  box-shadow: 0 9px 0 #34477b, 0 13px 16px rgba(0,0,0,.25);
  text-shadow: 0 0 10px #fff;
}
.guide-mascot-right { transform: rotate(8deg); color: #ffdb38; font-size: 50px; }
.guide-topic { min-height: 282px; padding: 22px 30px; }
.guide-topic h1 { margin: 0 0 16px; color: #243c64; }
.guide-topic p, .guide-topic li { font-size: 16px; line-height: 1.55; }
.guide-topic img { display: block; max-width: 100%; margin: 18px auto; }
@media (max-width: 720px) {
  .guide-topbar { height: auto; min-height: 64px; padding: 8px 12px; }
  .guide-brand { font-size: 18px; gap: 7px; }
  .guide-brand img { width: 42px; height: 42px; }
  .guide-user { font-size: 12px; }
  .guide-user span { margin: 0 3px; }
  .guide-welcome { grid-template-columns: 70px 1fr 70px; padding: 14px 5px; }
  .guide-mascot { width: 65px; height: 100px; font-size: 38px; border-width: 4px; }
  .guide-mascot-right { font-size: 25px; }
  .guide-welcome h1 { font-size: 30px; }
  .guide-welcome p, .guide-welcome h2 { font-size: 17px; }
  #guide-menu { padding: 12px; gap: 7px; }
  #guide-menu button { padding: 0 10px; font-size: 12px; }
}