/* 玖块玖学园 AI 陪练 · 品牌样式（移动端优先） */
:root {
  --navy: #1B2A4A;
  --gold: #C9A24B;
  --gold-light: #E3C878;
  --cream: #FBF8F4;
  --gray: #7A7A7A;
  --border: #E8E2D6;
}
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--cream); color: #2A2A2A; font-size: 15px;
  max-width: 560px; margin: 0 auto; min-height: 100vh; position: relative;
}
a { text-decoration: none; color: inherit; }

/* 顶栏 */
.topbar {
  background: var(--navy); color: #fff; padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
}
.topbar .brand { font-weight: 700; font-size: 16px; letter-spacing: .5px; }
.topbar .brand span { color: var(--gold-light); }
.topbar .back { font-size: 20px; color: var(--gold-light); width: 28px; }
/* 顶栏「回学园」链接（常驻，未登录也能看到）*/
.topbar .home-link {
  font-size: 13px; color: var(--gold-light); text-decoration: none;
  white-space: nowrap; opacity: .9; padding: 4px 2px;
}
.topbar .home-link:active { opacity: 1; }
.topbar .right { font-size: 13px; color: var(--gold-light); }

/* 容器 */
.wrap { padding: 16px; }
.card {
  background: #fff; border-radius: 14px; padding: 18px;
  box-shadow: 0 2px 12px rgba(27,42,74,.06); margin-bottom: 14px;
  border: 1px solid var(--border);
}
.card h3 { font-size: 16px; color: var(--navy); margin-bottom: 10px; }
.muted { color: var(--gray); font-size: 13px; line-height: 1.6; }

/* 按钮 */
.btn {
  display: block; width: 100%; padding: 14px; border: none; border-radius: 12px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #fff; font-size: 16px; font-weight: 600; cursor: pointer;
  text-align: center; transition: opacity .15s;
}
.btn:active { opacity: .85; }
.btn.ghost { background: #fff; color: var(--navy); border: 1.5px solid var(--gold); }
.btn.sm { padding: 9px 16px; width: auto; display: inline-block; font-size: 14px; border-radius: 10px; }

/* 输入 */
.input {
  width: 100%; padding: 13px 14px; border: 1.5px solid var(--border);
  border-radius: 12px; font-size: 15px; background: #fff; outline: none;
}
.input:focus { border-color: var(--gold); }

/* 角色卡 */
.role-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.role-card {
  background: #fff; border-radius: 14px; padding: 16px 12px; text-align: center;
  border: 1.5px solid var(--border); cursor: pointer; transition: .15s;
}
.role-card:active, .role-card.sel { border-color: var(--gold); box-shadow: 0 4px 14px rgba(201,162,75,.22); }
.role-card .emoji { font-size: 34px; }
.role-card .name { font-weight: 700; color: var(--navy); margin: 6px 0 2px; }
.role-card .tag { font-size: 11.5px; color: var(--gray); line-height: 1.4; }
.role-card .diff { font-size: 11px; color: var(--gold); margin-top: 5px; }

/* 对话 */
.chat { padding: 14px 14px 88px; }
.msg { display: flex; margin-bottom: 12px; }
.msg .bubble {
  max-width: 78%; padding: 11px 14px; border-radius: 14px;
  font-size: 14.5px; line-height: 1.55; word-break: break-word;
}
.msg.customer .bubble { background: #fff; border: 1px solid var(--border); border-top-left-radius: 4px; }
.msg.me { justify-content: flex-end; }
.msg.me .bubble { background: var(--navy); color: #fff; border-top-right-radius: 4px; }
.msg .avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--cream);
  display: flex; align-items: center; justify-content: center; font-size: 18px; margin-right: 8px; flex: 0 0 32px; }
.typing { color: var(--gray); font-size: 13px; padding: 6px 14px; }

/* 底部输入栏 */
.inputbar {
  position: fixed; bottom: 0; left: 0; right: 0; max-width: 560px; margin: 0 auto;
  background: #fff; border-top: 1px solid var(--border); padding: 10px 12px;
  display: flex; gap: 8px; align-items: center;
}
.inputbar .input { flex: 1; padding: 11px 13px; }
.inputbar .send {
  width: 46px; height: 46px; border-radius: 50%; border: none; flex: 0 0 46px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #fff; font-size: 18px; cursor: pointer;
}

/* 评分报告 */
.score-hero { text-align: center; padding: 8px 0 4px; }
.score-hero .num { font-size: 46px; font-weight: 800; color: var(--gold); line-height: 1; }
.score-hero .lbl { color: var(--gray); font-size: 13px; margin-top: 4px; }
.bar { margin: 9px 0; }
.bar .row { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 4px; color: var(--navy); }
.bar .track { height: 8px; background: #EFEAE0; border-radius: 4px; overflow: hidden; }
.bar .fill { height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-light)); border-radius: 4px; }
ul.li { padding-left: 18px; }
ul.li li { margin: 6px 0; font-size: 14px; line-height: 1.55; }

/* 提示条 */
.toast {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%,-50%);
  background: rgba(27,42,74,.94); color: #fff; padding: 12px 20px; border-radius: 10px;
  font-size: 14px; z-index: 999; max-width: 80%; text-align: center; display: none;
}
.badge { display: inline-block; padding: 2px 8px; border-radius: 8px; font-size: 11px;
  background: #F1ECE1; color: var(--gold); margin-left: 6px; }
.ai-tip { font-size: 11px; color: var(--gray); text-align: center; padding: 4px 0 8px; }
.pkg { display: flex; justify-content: space-between; align-items: center;
  padding: 14px; border: 1.5px solid var(--border); border-radius: 12px; margin-bottom: 10px; background: #fff; }
.pkg .price { color: var(--gold); font-weight: 800; font-size: 19px; }