@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,400;0,500;0,700;1,400&family=Nunito:ital,wght@0,700;0,800;0,900;1,700&display=swap');

:root{
  --ink:#171f26;
  --ink-2:#3d4a54;
  --ink-3:#66787f;
  --blue:#c8e0f4;
  --pink:#f5e0e8;
  --base-a:#eef5fc;
  --base-b:#d6e5f3;
  --pink-a:#fbeff4;
  --pink-b:#eed7e1;
  --up:-6px -6px 16px rgba(255,255,255,.92), 8px 9px 20px rgba(23,31,38,.16);
  --up-s:-3px -3px 9px rgba(255,255,255,.9), 4px 5px 11px rgba(23,31,38,.14);
  --in:inset -4px -4px 10px rgba(255,255,255,.9), inset 5px 6px 12px rgba(23,31,38,.15);
  --r:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"DM Sans","Nunito",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.78;
  color:var(--ink);
  background:linear-gradient(165deg,#eaf4fc 0%,#e0ecf8 48%,#f4e9ee 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
body.locked{overflow:hidden}
img{max-width:100%}
h1,h2,h3,h4{font-family:"Nunito","DM Sans",system-ui,sans-serif;color:var(--ink)}
a{color:#255a72}
:focus-visible{outline:3px solid #7fa9c9;outline-offset:3px;border-radius:10px}
[id]{scroll-margin-top:26px}

/* ---- shell ---- */
.stage{
  max-width:1180px;
  margin:0 auto;
  padding:26px 20px 70px;
  display:grid;
  grid-template-columns:268px minmax(0,1fr);
  gap:30px;
  align-items:start;
}
.stagebody{min-width:0}

/* ---- left rail ---- */
.rail{
  position:sticky;
  top:22px;
  padding:22px 18px 18px;
  border-radius:18px;
  background:linear-gradient(145deg,var(--base-a),var(--base-b));
  box-shadow:var(--up);
}
.railtitle{
  margin:0 0 2px;
  font-family:"Nunito",sans-serif;
  font-size:1.15rem;
  font-weight:800;
  letter-spacing:.01em;
}
.subtitle{
  margin:0 0 16px;
  font-size:.92rem;
  letter-spacing:.16em;
  color:var(--ink-3);
}
.raillist{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.raillist li.off{display:none}
.raillist a{
  display:flex;
  gap:10px;
  align-items:center;
  min-height:44px;
  padding:8px 12px;
  border-radius:12px;
  text-decoration:none;
  color:var(--ink);
  font-size:1rem;
  background:linear-gradient(145deg,#e9f2fa,#d8e7f4);
  box-shadow:var(--up-s);
  transition:box-shadow .15s ease,transform .15s ease;
}
.raillist a:hover{box-shadow:var(--in);transform:translateY(1px)}
.num{
  font-family:"Nunito",sans-serif;
  font-weight:800;
  font-size:.78rem;
  letter-spacing:.14em;
  color:#8698a4;
}
.totop{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  margin-top:16px;
  padding:0 14px;
  border-radius:12px;
  font-size:.95rem;
  text-decoration:none;
  color:var(--ink-2);
  box-shadow:var(--up-s);
}
.totop:hover{box-shadow:var(--in)}

/* ---- hero ---- */
.hero{
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-end;
  gap:24px;
  min-height:100vh;
  padding:44px 0 40px;
  text-align:right;
}
.badge{
  margin:0;
  align-self:flex-end;
  padding:9px 18px;
  border-radius:999px;
  background:linear-gradient(145deg,var(--pink-a),var(--pink-b));
  box-shadow:var(--up);
  font-family:"Nunito",sans-serif;
  font-weight:800;
  font-size:.95rem;
  color:#7c4a60;
  transform:rotate(-2deg);
}
.herotitle{
  margin:0;
  font-size:clamp(2rem,5.6vw,3.5rem);
  font-weight:900;
  line-height:1.14;
  letter-spacing:-.012em;
}
.heroimg{
  width:100%;
  height:auto;
  max-height:44vh;
  object-fit:cover;
  border-radius:16px;
  box-shadow:var(--up);
  will-change:transform;
}

/* ---- prose from content ---- */
.prose{display:grid;gap:26px;counter-reset:sec}
.prose article{
  padding:26px 24px 30px;
  border-radius:0;
  border-bottom:4px solid var(--pink);
  background:linear-gradient(150deg,#eaf3fb,#dbe9f6);
  box-shadow:-8px -8px 20px rgba(255,255,255,.72), 10px 12px 26px rgba(23,31,38,.13);
}
.prose article:nth-of-type(even){
  background:linear-gradient(150deg,#f9eef3,#efdbe4);
  border-bottom-color:var(--blue);
}
.prose article::before{
  counter-increment:sec;
  content:"0" counter(sec);
  display:block;
  margin-bottom:10px;
  font-family:"Nunito",sans-serif;
  font-weight:800;
  font-size:.85rem;
  letter-spacing:.3em;
  color:#8ba0b0;
}
.prose h2{
  margin:0 0 8px;
  font-size:clamp(1.35rem,2.8vw,1.95rem);
  font-weight:900;
  line-height:1.32;
}
.prose h3{
  margin:1.4em 0 .4em;
  font-size:1.15rem;
  font-weight:800;
  line-height:1.4;
}
.prose p{margin:0 0 1em;color:var(--ink-2);max-width:69ch}
.prose p:last-child{margin-bottom:0}
.prose h2 + p,
.prose .subtitle + p{color:var(--ink-2)}
.prose ul,.prose ol{margin:0 0 1em;padding-left:1.3em}
.prose li{margin:0 0 .55em;color:var(--ink-2)}
.prose li::marker{color:#9db4c4}
.prose a{
  color:#1f5a74;
  text-decoration-color:#e9b9cb;
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}
.prose a:hover{text-decoration-color:#c78ba4}
.prose strong{color:var(--ink)}
.prose blockquote{
  margin:0 0 1em;
  padding:14px 18px;
  border-left:5px solid var(--pink);
  border-radius:0 12px 12px 0;
  background:rgba(255,255,255,.5);
  box-shadow:var(--in);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose figure{margin:0 0 1.1em}
.prose figure img{width:100%;height:auto;border-radius:16px;box-shadow:var(--up-s)}
.prose aside{
  margin:0 0 1.1em;
  padding:16px 18px;
  border-radius:16px;
  background:linear-gradient(145deg,var(--base-a),var(--base-b));
  box-shadow:var(--in);
}
.prose img{border-radius:14px}
.prose table{width:100%;border-collapse:collapse;font-size:.98rem}
.prose th,.prose td{padding:10px 12px;text-align:left;border-bottom:1px solid rgba(23,31,38,.1)}
.prose th{font-weight:800}

/* ---- footer ---- */
.sitefoot{
  margin-top:36px;
  padding:44px 20px 128px;
  background:linear-gradient(165deg,#f4e9ef,#e1edf8);
  border-top:1px solid rgba(255,255,255,.85);
}
.fwrap{
  max-width:1180px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:26px;
  align-items:start;
}
address{
  font-style:normal;
  font-family:"Nunito",sans-serif;
  font-weight:800;
  font-size:1.05rem;
  line-height:1.5;
}
.host{display:block;margin-top:4px;font-weight:500;font-size:.92rem;color:var(--ink-3)}
.flinks{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:2px}
.flinks a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 4px;
  font-size:.98rem;
  text-decoration:none;
  color:var(--ink-2);
}
.flinks a:hover{color:#1f5a74}
.fnav dl{
  margin:0;
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:2px 12px;
  align-items:center;
}
.fnav dt{
  font-family:"Nunito",sans-serif;
  font-weight:800;
  font-size:.76rem;
  letter-spacing:.16em;
  color:#93a6b3;
}
.fnav dd{margin:0}
.fnav a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  font-size:.98rem;
  text-decoration:none;
  color:var(--ink-2);
}
.fnav a:hover{color:#1f5a74}
.bigbrand{
  margin:0;
  font-family:"Nunito",sans-serif;
  font-weight:900;
  font-size:clamp(1.9rem,5vw,3.2rem);
  line-height:1.06;
  letter-spacing:-.02em;
  word-break:break-word;
  color:var(--ink);
  text-shadow:2px 2px 0 rgba(255,255,255,.85);
}
.fbase{
  max-width:1180px;
  margin:28px auto 0;
  padding-top:16px;
  border-top:1px solid rgba(23,31,38,.09);
  font-size:.93rem;
  color:var(--ink-3);
}
.fbase p{margin:0}

/* ---- dock ---- */
.dock{
  position:fixed;
  left:50%;
  bottom:14px;
  transform:translateX(-50%);
  z-index:60;
  width:min(760px,calc(100% - 24px));
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:20px;
  background:linear-gradient(145deg,#f0f6fd,#d8e6f4);
  box-shadow:-8px -8px 20px rgba(255,255,255,.92), 10px 12px 26px rgba(23,31,38,.22);
}
.brandmark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:46px;
  min-height:46px;
  border-radius:14px;
  background:linear-gradient(145deg,var(--pink-a),var(--pink-b));
  box-shadow:var(--up-s);
  text-decoration:none;
  color:var(--ink);
  font-family:"Nunito",sans-serif;
  font-weight:900;
  font-size:1.1rem;
  transition:box-shadow .15s ease,transform .15s ease;
}
.brandmark:active{box-shadow:var(--in);transform:scale(.96)}
.markimg{width:26px;height:26px;object-fit:contain}
.findbox{display:flex;gap:8px;align-items:center;min-width:0}
.findbox input{
  flex:1 1 auto;
  min-width:0;
  height:46px;
  padding:0 15px;
  border:0;
  border-radius:12px;
  font-family:inherit;
  font-size:1rem;
  color:var(--ink);
  background:#e3eef9;
  box-shadow:var(--in);
}
.findbox input::placeholder{color:#8496a2}
.findbox input:focus{outline:none;box-shadow:var(--in),0 0 0 3px rgba(127,169,201,.55)}
.findbtn{
  height:46px;
  min-width:52px;
  border:0;
  border-radius:12px;
  font-family:"Nunito",sans-serif;
  font-weight:800;
  font-size:1rem;
  color:var(--ink);
  background:linear-gradient(145deg,var(--base-a),var(--base-b));
  box-shadow:var(--up-s);
  cursor:pointer;
  transition:box-shadow .15s ease,transform .15s ease;
}
.findbtn:active{box-shadow:var(--in);transform:scale(.96)}
.burger{
  min-height:46px;
  padding:0 18px;
  border:0;
  border-radius:14px;
  font-family:"Nunito",sans-serif;
  font-weight:800;
  font-size:1rem;
  color:#7c4a60;
  background:linear-gradient(145deg,var(--pink-a),var(--pink-b));
  box-shadow:var(--up-s);
  cursor:pointer;
  transition:box-shadow .15s ease,transform .15s ease;
}
.burger:active{box-shadow:var(--in);transform:scale(.96)}

/* ---- veil menu ---- */
.veil{
  position:fixed;
  inset:0;
  z-index:70;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:70px 20px 40px;
  background:linear-gradient(160deg,rgba(236,245,252,.97),rgba(246,228,236,.97));
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;
  overflow-y:auto;
}
.veil.open{opacity:1;visibility:visible}
.veillist{
  list-style:none;
  margin:0 auto;
  padding:0;
  width:min(560px,100%);
  display:grid;
  gap:10px;
}
.veillist a{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  min-height:54px;
  padding:8px 20px;
  border-radius:14px;
  text-decoration:none;
  color:var(--ink);
  font-family:"Nunito",sans-serif;
  font-weight:800;
  font-size:1.1rem;
  background:linear-gradient(145deg,var(--base-a),var(--base-b));
  box-shadow:var(--up-s);
  transition:box-shadow .15s ease,transform .15s ease;
}
.veillist li:nth-child(even) a{background:linear-gradient(145deg,var(--pink-a),var(--pink-b))}
.veillist a:active{box-shadow:var(--in);transform:scale(.985)}
.closer{
  position:absolute;
  top:18px;
  right:18px;
  min-height:44px;
  padding:0 20px;
  border:0;
  border-radius:14px;
  font-family:"Nunito",sans-serif;
  font-weight:800;
  font-size:1rem;
  color:var(--ink);
  background:linear-gradient(145deg,var(--base-a),var(--base-b));
  box-shadow:var(--up-s);
  cursor:pointer;
}
.closer:active{box-shadow:var(--in);transform:scale(.96)}

/* ---- responsive ---- */
@media (max-width:960px){
  .stage{grid-template-columns:1fr;gap:20px}
  .stagebody{order:1;min-width:0}
  .rail{position:static;order:2}
  .hero{min-height:auto;justify-content:flex-start;padding:8px 0 6px;gap:16px}
  .heroimg{max-height:38vh}
  .raillist{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fwrap{grid-template-columns:1fr 1fr}
  .fbig{grid-column:1 / -1}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .stage{padding:14px 14px 60px;gap:16px}
  .hero{padding:4px 0 4px;gap:13px}
  .herotitle{font-size:clamp(1.85rem,8.4vw,2.6rem)}
  .badge{padding:7px 14px;font-size:.88rem}
  .raillist{grid-template-columns:1fr}
  .prose article{padding:20px 16px 24px}
  .fwrap{grid-template-columns:1fr}
  .sitefoot{padding:34px 16px 124px}
  .bigbrand{font-size:clamp(2rem,11vw,2.6rem)}
  .dock{width:calc(100% - 16px);bottom:10px;padding:8px}
  .burger{padding:0 14px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

button[aria-expanded]{min-width:44px;min-height:44px}