:root {
  --forest: #0d3b2e;
  --ink: #174137;
  --sage: #dff0df;
  --wash: #f5faf4;
  --line: #d3e4d6;
  --leaf: #21925d;
  --mint: #ebf7ed;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--wash);
  font-family: "Noto Sans SC", Arial, sans-serif;
}

body::before {
  content: "";
  position: fixed;
  z-index: -1;
  right: -9rem;
  top: -13rem;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  background: #e0f2df;
}

.page-shell {
  width: min(1180px, calc(100% - 48px));
  min-height: 100vh;
  margin: auto;
  padding: 78px 0 56px;
  display: grid;
  grid-template-columns: minmax(260px, .78fr) minmax(540px, 1.22fr);
  gap: clamp(38px, 8vw, 122px);
  align-items: center;
}

.intro { padding-bottom: 100px; }
.eyebrow, .step { color: var(--leaf); font: 500 12px "DM Mono", monospace; letter-spacing: .12em; }
.eyebrow { display: flex; gap: 10px; align-items: center; }
.eyebrow span { width: 28px; height: 1px; background: currentColor; }
h1 { margin: 22px 0; color: var(--forest); font-size: clamp(42px, 5vw, 62px); letter-spacing: -.07em; line-height: 1.16; }
h1 em { color: var(--leaf); font-style: normal; }
.intro > p { max-width: 340px; font-size: 15px; line-height: 1.9; color: #607b6c; }
.security-note { margin-top: 38px; max-width: 330px; display: flex; align-items: center; gap: 12px; color: #6c8677; font-size: 12px; line-height: 1.65; }
.security-note svg { width: 24px; height: 24px; flex: none; fill: none; stroke: var(--leaf); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

.card { padding: 37px 40px 40px; background: rgba(255,255,255,.92); border: 1px solid rgba(211,228,214,.9); border-radius: 18px; box-shadow: 0 22px 65px rgba(32, 87, 54, .09); }
.card-heading { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 1px solid var(--line); padding-bottom: 25px; }
.step { margin: 0 0 8px; }
h2 { margin: 0; font-size: 24px; letter-spacing: -.04em; }
.status { display: flex; align-items: center; gap: 7px; padding-top: 3px; color: #71907b; font-size: 12px; }
.status i { width: 7px; height: 7px; border-radius: 50%; background: #45b56f; box-shadow: 0 0 0 4px #e4f6e9; }
.error { margin: 18px 0 -4px; padding: 11px 13px; border-radius: 8px; background: #fff0ee; color: #a8493e; font-size: 13px; }
form { margin-top: 25px; }
fieldset { margin: 0; padding: 0 0 24px; border: 0; }
fieldset + fieldset { padding-top: 21px; border-top: 1px solid #edf3ed; }
legend { width: 100%; margin-bottom: 13px; font-size: 14px; font-weight: 600; }
legend small { margin-left: 7px; color: #86a08d; font-size: 11px; font-weight: 400; }
.grid { display: grid; gap: 16px; }
.two-cols { grid-template-columns: 1fr 1fr; }
label { display: block; color: #577364; font-size: 12px; }
input { width: 100%; height: 42px; margin-top: 7px; padding: 0 12px; color: var(--ink); outline: none; border: 1px solid #d8e5da; border-radius: 7px; background: #fbfdfb; font: 400 13px "Noto Sans SC", Arial, sans-serif; transition: .18s ease; }
input::placeholder { color: #adbfaf; }
input:focus { border-color: #67b782; background: #fff; box-shadow: 0 0 0 3px rgba(64,164,101,.12); }
input[type="date"], input[type="datetime-local"] { color: #426253; }
.usage-grid { display: flex; flex-wrap: wrap; gap: 9px; }
.check { position: relative; }
.check input { position: absolute; opacity: 0; pointer-events: none; }
.check span { display: block; min-width: 102px; padding: 9px 11px; border: 1px solid #d8e6db; border-radius: 7px; color: #688174; background: #fbfdfb; font-size: 12px; text-align: center; cursor: pointer; transition: .18s ease; }
.check input:checked + span { border-color: #80c698; color: #12613d; background: var(--mint); box-shadow: inset 0 0 0 1px #bde1c8; }
.check input:focus-visible + span { outline: 3px solid rgba(64,164,101,.2); outline-offset: 2px; }
.submit { width: 100%; height: 50px; display: flex; justify-content: center; align-items: center; gap: 10px; border: 0; border-radius: 8px; color: #fff; background: var(--forest); box-shadow: 0 10px 18px rgba(17,71,48,.17); cursor: pointer; font: 600 14px "Noto Sans SC", Arial, sans-serif; letter-spacing: .02em; transition: .2s ease; }
.submit:hover { background: #15533f; transform: translateY(-1px); box-shadow: 0 13px 20px rgba(17,71,48,.21); }
.submit svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

@media (max-width: 850px) { .page-shell { padding-top: 52px; grid-template-columns: 1fr; gap: 30px; } .intro { padding-bottom: 0; } .intro > p { max-width: 500px; } }
@media (max-width: 560px) { .page-shell { width: min(100% - 28px, 520px); padding: 32px 0; } .card { padding: 26px 20px; } .two-cols { grid-template-columns: 1fr; gap: 13px; } .card-heading { padding-bottom: 19px; } h1 { font-size: 42px; } .security-note { margin-top: 24px; } }