@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&display=swap');

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

body {
  font-family: "Montserrat", sans-serif;
  background: #2ecc71; /* 果绿色背景 */
  color: #fff;
  line-height: 1.6;
  padding: 20px;
}

/* ===== Header & Nav ===== */
header { text-align: center; margin-bottom: 30px; }
header h1 { margin-bottom: 12px; font-size: 40px; font-weight: 700; color: #fff; }

nav {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  padding: 10px 25px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
nav a {
  margin: 0 15px;
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.2s ease-in-out;
}
nav a:hover { background: #27ae60; color: #fff; }

/* ===== Card ===== */
.card, section {
  background: rgba(39,174,96,0.85);
  padding: 20px;
  margin: 20px 0;
  border-radius: 16px;
  box-shadow: 0 6px 14px rgba(0,0,0,0.2);
  color: #fff;
}

/* ===== Steps ===== */
.step-circle {
  display: inline-block;
  width: 30px; height: 30px; line-height: 30px;
  border-radius: 50%;
  background: #fff; color: #27ae60;
  text-align: center;
  font-size: 16px; font-weight: bold;
  margin-right: 8px;
}

/* ===== Buttons ===== */
button {
  font-family: inherit;
  margin: 6px; padding: 10px 18px;
  font-size: 15px;
  border-radius: 8px; border: none; cursor: pointer;
  background: #fff; color: #27ae60;
  font-weight: 600;
  transition: all 0.2s ease-in-out;
}
button:hover { background: #27ae60; color: #fff; }

/* ===== Console / Results ===== */
.console, pre, #resultBox {
  background: rgba(0,0,0,0.8);
  color: #f1f1f1;
  font-family: "Fira Code", ui-monospace, monospace;
  padding: 14px;
  border-radius: 8px;
  margin-top: 10px;
  max-height: 350px; overflow-y: auto;
  white-space: pre-wrap;
  font-size: 14px;
}

/* ===== Finance Status ===== */
.finance-status {
  display: flex; flex-direction: column; gap: 14px; margin-top: 14px;
}
.status-item {
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,0.15);
  border-radius: 12px; padding: 14px 18px;
  font-size: 16px; color: #fff;
}
.status-item .product { font-weight: 700; color: #fff; min-width: 200px; }
.status-item .detail { flex: 1; text-align: left; color: #eee; padding: 0 10px; }
.status-item .mark { font-size: 20px; min-width: 28px; text-align: right; }

/* ===== Criteria Reference ===== */
.criteria-block { margin-bottom: 18px; }
.criteria-block h3 { color: #fff; margin-bottom: 8px; font-size: 18px; font-weight: 700; }
.criteria-block ul { list-style: none; padding-left: 0; }
.criteria-block li {
  background: rgba(255,255,255,0.15);
  margin: 4px 0; padding: 6px 10px;
  border-radius: 6px;
  font-size: 15px;
  display: flex; align-items: center;
}
.criteria-block .mark {
  display: inline-block;
  width: 24px; text-align: center;
  margin-right: 8px; font-size: 16px;
}

/* ===== Modal ===== */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease-in-out;
}
.modal-content {
  background: #27ae60;
  padding: 20px;
  border-radius: 12px;
  width: 400px;
  color: #fff;
  animation: slideDown 0.4s ease;
}
.close {
  float: right;
  font-size: 22px;
  cursor: pointer;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideDown { from { transform: translateY(-40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }