:root{
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --ink:#2C2825;
  --ink2:#6B635B;
  --ink3:#A29A91;
  --brand:#F2683C;
  --brand-deep:#D9501F;
  --brand-soft:#FFF2EA;
  --line:#EEE7DD;
  --r:20px;
  --shadow:0 2px 12px rgba(80,60,40,.05);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(120,100,80,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,100,80,.035) 1px, transparent 1px),
    radial-gradient(120% 80% at 85% -10%, rgba(242,104,60,.07), transparent 60%),
    radial-gradient(90% 70% at -10% 0%, rgba(80,150,170,.05), transparent 55%);
  background-size:28px 28px, 28px 28px, 100% 100%, 100% 100%;
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
button{font-family:inherit;cursor:pointer;border:none;background:none}

.wrap{
  max-width:660px;
  margin:0 auto;
  padding:36px 18px calc(56px + env(safe-area-inset-bottom));
}

/* ------- 头部 ------- */
.hero{text-align:center;padding:8px 4px 26px}
.hero h1{
  margin:0 0 12px;
  font-size:31px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:.5px;
}
.hero .sub{
  margin:0;
  color:var(--ink2);
  font-size:15px;
  line-height:1.85;
}
.flow{
  display:flex;align-items:center;justify-content:center;gap:10px;
  margin-top:20px;
  font-size:13px;color:var(--ink3);
}
.flow span{
  background:linear-gradient(135deg,#FA8B54,#F0603A);
  color:#fff;border:none;
  padding:5px 14px;border-radius:999px;
  box-shadow:0 4px 12px rgba(240,96,58,.18);
}
.flow i{width:14px;height:1px;background:rgba(242,104,60,.45);display:block}

/* ------- 卡片 ------- */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:20px 18px;
  margin-bottom:14px;
  box-shadow:var(--shadow);
}
.q-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.q-title{
  margin:0 0 14px;
  font-size:16.5px;
  font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.q-head .q-title{margin-bottom:14px}
.q-title em{
  font-style:normal;
  color:var(--brand);
  font-size:17px;
  font-weight:700;
}
.ghost-link{
  color:var(--brand);
  font-size:13.5px;
  padding:4px 2px;
  margin-bottom:14px;
}
.ghost-link:active{opacity:.6}

textarea{
  width:100%;
  border:1px solid var(--line);
  background:#FCFAF6;
  border-radius:14px;
  padding:14px 14px 12px;
  font-family:inherit;
  font-size:15.5px;
  line-height:1.8;
  color:var(--ink);
  resize:vertical;
  min-height:170px;
  outline:none;
  transition:border-color .18s,background .18s;
}
textarea::placeholder{color:#B8AFA4;line-height:1.8}
textarea:focus{border-color:#F5B08F;background:#fff}
.counter{margin-top:10px;font-size:12.5px;color:var(--ink3)}

/* ------- 选项 ------- */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.chip{
  display:inline-flex;align-items:center;gap:5px;
  padding:10px 16px;
  border:1px solid var(--line);
  background:#FCFAF6;
  border-radius:999px;
  font-size:14.5px;
  color:var(--ink2);
  transition:all .16s ease;
  user-select:none;
}
.chip span{font-size:12px;color:var(--ink3)}
.chip:active{transform:scale(.97)}
.chips input:checked + .chip{
  background:var(--brand-soft);
  border-color:#F7B394;
  color:var(--brand-deep);
  font-weight:600;
}
.chips input:checked + .chip span{color:#E0794F}
.chips input:focus-visible + .chip{box-shadow:0 0 0 3px rgba(242,104,60,.18)}

/* ------- 按钮 ------- */
.primary{
  display:block;width:100%;
  padding:16px;
  border-radius:16px;
  background:linear-gradient(135deg,#FA8B54,#F0603A);
  color:#fff;
  font-size:17px;font-weight:600;letter-spacing:.5px;
  box-shadow:0 8px 20px rgba(240,96,58,.24);
  transition:transform .12s,box-shadow .2s,opacity .2s;
}
.primary:active{transform:translateY(1px) scale(.995)}
.primary[disabled]{opacity:.55;box-shadow:none;cursor:default}
.primary.small,.secondary.small{
  width:auto;flex:1 1 auto;
  padding:12px 14px;
  font-size:15px;
  border-radius:13px;
  box-shadow:none;
}
.secondary{
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink2);
  font-weight:500;
}
.secondary:active{background:#FBF8F4}
.secondary.danger{color:#C0605A}

.tip{
  margin:12px 2px 0;
  text-align:center;
  font-size:13px;
  color:var(--ink3);
  min-height:18px;
}

/* ------- 输出 ------- */
.out-card{margin-top:16px;animation:rise .32s ease both}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.out-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:12px}
.out-title{margin:0;font-size:17px;font-weight:700}
.out-title::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--brand);margin-right:8px;vertical-align:middle}
.out-meta{font-size:12.5px;color:var(--ink3);white-space:nowrap}
.out-text{
  white-space:pre-wrap;
  word-break:break-word;
  font-size:16.5px;
  line-height:1.95;
  color:#332E29;
  background:#FCFAF6;
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px;
  min-height:80px;
}
.out-text.loading{color:var(--ink3)}
.cursor{
  display:inline-block;width:2px;height:1em;
  background:var(--brand);vertical-align:-2px;
  animation:blink .9s steps(1) infinite;
}
@keyframes blink{50%{opacity:0}}
.out-actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.out-note{margin:12px 2px 0;font-size:12.5px;color:var(--ink3);line-height:1.7}

/* ------- 底部 ------- */
.foot{text-align:center;margin-top:38px;color:var(--ink3)}
.foot-title{margin:0 0 6px;font-size:14.5px;color:var(--ink2);font-weight:600}
.foot-sub{margin:0;font-size:13px}
.foot-set{
  margin-top:16px;font-size:12px;color:#C4BBB0;
  padding:6px 12px;border-radius:999px;border:1px solid #EFE8DF;
}
.setup-tip{
  margin:2px 2px 0;padding:13px 15px;
  background:#FFF4EC;border:1px solid #FAD9C4;border-radius:13px;
  font-size:13.5px;line-height:1.7;color:#B5572A;cursor:pointer;
}
.setup-tip:active{background:#FFE9DA}
.foot-set.hl{
  background:var(--brand);color:#fff;border-color:var(--brand);
  font-weight:600;animation:pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(242,104,60,.4)}50%{box-shadow:0 0 0 8px rgba(242,104,60,0)}}

/* ------- 弹层 ------- */
.mask{
  position:fixed;inset:0;background:rgba(40,32,26,.32);
  display:flex;align-items:center;justify-content:center;
  padding:18px;z-index:60;
  backdrop-filter:blur(2px);
}
.mask[hidden]{display:none}
.modal{
  background:#fff;border-radius:20px;
  padding:22px 20px;width:100%;max-width:420px;
  max-height:88vh;overflow:auto;
  box-shadow:0 20px 50px rgba(60,40,20,.18);
  animation:rise .26s ease both;
}
.modal h3{margin:0 0 8px;font-size:18px}
.modal-tip{margin:0 0 16px;font-size:13px;color:var(--ink2);line-height:1.7}
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:13.5px;color:var(--ink2);margin-bottom:6px}
.field input,.field select{
  width:100%;padding:11px 12px;
  border:1px solid var(--line);border-radius:12px;
  background:#FCFAF6;font-size:15px;font-family:inherit;color:var(--ink);
  outline:none;
}
.field input:focus,.field select:focus{border-color:#F5B08F;background:#fff}
.modal-actions{display:flex;gap:10px;margin-top:18px}
.modal-state{margin:12px 0 0;font-size:12.5px;color:var(--ink3);line-height:1.6}

/* ------- toast ------- */
.toast{
  position:fixed;left:50%;bottom:38px;transform:translate(-50%,20px);
  background:rgba(44,40,37,.92);color:#fff;
  padding:11px 20px;border-radius:999px;font-size:14px;
  opacity:0;pointer-events:none;transition:all .25s ease;z-index:80;
  max-width:80vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ------- 小屏 ------- */
@media (max-width:480px){
  .wrap{padding:26px 14px 46px}
  .hero h1{font-size:27px}
  .hero{padding-bottom:20px}
  .card{padding:17px 15px;border-radius:18px}
  .out-text{font-size:16px;padding:14px}
  .chip{padding:9px 14px;font-size:14px}
}
@media (min-width:820px){
  .wrap{padding-top:52px}
  .hero h1{font-size:34px}
}