:root{
  --bg:#f7f3e9;
  --surface:#ffffff;
  --soft:#f2edde;
  --line:#e9e2cf;
  --text:#33413a;
  --text-dim:#77836f;
  --text-mute:#a4ad97;
  --green:#3fae5a;
  --green-deep:#2e8c47;
  --green-soft:#e3f4e5;
  --red:#e4606f;
  --amber:#eda93c;
  --pink:#f5a3b3;
  --radius:24px;
  --shadow:0 8px 28px rgba(74,96,68,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  line-height:1.65;
  min-height:100vh;
  background-image:
    radial-gradient(600px 300px at 12% -60px, rgba(88,194,110,.13), transparent 65%),
    radial-gradient(520px 280px at 92% 8%, rgba(245,163,179,.14), transparent 65%),
    radial-gradient(600px 320px at 50% 110%, rgba(255,207,63,.10), transparent 65%);
}
button{font-family:inherit}
#app{max-width:560px;margin:0 auto;padding:0 20px;min-height:100vh}

/* ---------- 语言切换 ---------- */
.lang-toggle{
  position:fixed;top:14px;right:14px;z-index:50;
  padding:8px 16px;border-radius:999px;border:2px solid var(--line);
  background:var(--surface);color:var(--text-dim);font-size:13px;font-weight:800;
  cursor:pointer;box-shadow:var(--shadow);transition:.15s;
}
.lang-toggle:hover{color:var(--green);border-color:var(--green);transform:translateY(-1px)}

/* ---------- screens ---------- */
.screen{display:none;padding:40px 0 56px;animation:fadeUp .35s ease}
.screen.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- landing ---------- */
#screen-landing{text-align:center;position:relative}
.float-deco{position:absolute;font-size:26px;opacity:.85;animation:floaty 3.6s ease-in-out infinite;pointer-events:none;user-select:none}
.float-deco.d1{top:30px;left:2%;animation-delay:0s}
.float-deco.d2{top:96px;right:4%;animation-delay:.8s}
.float-deco.d3{top:470px;left:0;animation-delay:1.6s;font-size:22px}
.float-deco.d4{top:530px;right:2%;animation-delay:2.4s;font-size:22px}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-12px) rotate(6deg)}}

.mascot{max-width:210px;margin:0 auto;animation:bob 3.4s ease-in-out infinite}
.mascot svg{width:100%;height:auto;display:block}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

.badge{
  display:inline-block;margin:6px auto 12px;padding:6px 18px;
  border:2px solid var(--line);border-radius:999px;
  color:var(--text-dim);font-size:13px;font-weight:700;
  background:var(--surface);box-shadow:var(--shadow);
}
.title{font-size:40px;line-height:1.25;font-weight:900;letter-spacing:1px}
.title .accent{color:var(--green)}
.subtitle{margin-top:8px;color:var(--text-mute);font-size:13px;letter-spacing:2.5px;font-weight:700}
.intro{margin:18px auto 6px;color:var(--text-dim);font-size:15px;max-width:400px}
.btn-primary{
  display:inline-block;margin-top:24px;padding:16px 48px;
  background:var(--green);color:#fffdf4;font-size:17px;font-weight:800;
  border:none;border-radius:999px;cursor:pointer;
  box-shadow:0 8px 22px rgba(63,174,90,.32);
  transition:transform .15s ease, box-shadow .15s ease, background .15s;
  text-decoration:none;
}
.btn-primary:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 12px 28px rgba(63,174,90,.4);background:var(--green-deep)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.meta-line{margin-top:16px;color:var(--text-mute);font-size:13px;font-weight:600}
.disclaimer{margin-top:24px;color:var(--text-mute);font-size:12px}

/* ---------- quiz ---------- */
.quiz-header{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.btn-back{
  width:42px;height:42px;flex:none;border-radius:14px;
  background:var(--surface);border:2px solid var(--line);
  color:var(--text-dim);font-size:18px;cursor:pointer;transition:.15s;box-shadow:var(--shadow);
}
.btn-back:hover{color:var(--green);border-color:var(--green)}
.progress{flex:1;height:12px;background:var(--soft);border-radius:99px;overflow:hidden;border:1px solid var(--line)}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,#6fcf84,var(--green));border-radius:99px;transition:width .25s ease}
.q-counter{flex:none;color:var(--text-dim);font-size:14px;min-width:48px;text-align:right;font-weight:800}
.quiz-body{padding-top:26px}
.q-text{font-size:21px;font-weight:800;line-height:1.5;min-height:64px}
.q-options{margin-top:20px}
.option-btn{
  display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;
  padding:15px 16px;margin:10px 0;
  background:var(--surface);border:2px solid var(--line);border-radius:18px;
  color:var(--text);font-size:15.5px;line-height:1.5;cursor:pointer;
  transition:border-color .15s, background .15s, transform .15s;
  box-shadow:0 3px 10px rgba(74,96,68,.06);
}
.option-btn:hover{border-color:var(--green);background:var(--green-soft);transform:translateX(5px)}
.option-btn.selected{border-color:var(--green);background:var(--green-soft)}
.opt-key{
  flex:none;width:26px;height:26px;margin-top:1px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--text-dim);font-size:13px;font-weight:800;
}
.option-btn:hover .opt-key{background:var(--green);color:#fffdf4}

/* ---------- loading ---------- */
#screen-loading{display:none}
#screen-loading.active{display:flex;align-items:center;justify-content:center;min-height:80vh}
.loading-inner{text-align:center}
.loading-candles{display:flex;gap:12px;justify-content:center;align-items:flex-end;height:70px}
.loading-candles span{width:16px;border-radius:6px;animation:candle 1s ease-in-out infinite}
.loading-candles span:nth-child(1){background:#6fcf84;height:36px;animation-delay:0s}
.loading-candles span:nth-child(2){background:var(--pink);height:56px;animation-delay:.18s}
.loading-candles span:nth-child(3){background:#6fcf84;height:28px;animation-delay:.36s}
@keyframes candle{0%,100%{transform:scaleY(.55)}50%{transform:scaleY(1.15)}}
.loading-text{margin-top:26px;color:var(--text-dim);font-size:15px;min-height:24px;font-weight:600}

/* ---------- result ---------- */
#screen-result{text-align:center}
.result-pre{color:var(--text-dim);font-size:14px;margin-top:6px;font-weight:600}
.result-title{font-size:30px;font-weight:900;margin-top:8px;letter-spacing:.5px}
.code-line{margin-top:12px}
.code-badge{
  display:inline-block;padding:8px 22px;border:2.5px solid;border-radius:999px;
  font-size:18px;font-weight:900;letter-spacing:.5px;background:var(--surface);
  box-shadow:var(--shadow);
}
.tier-suffix{letter-spacing:1px}
.tier-mini{color:var(--green)}
.tier-pro{color:var(--amber)}
.tier-max{color:var(--red)}
.result-en{margin-top:12px;color:var(--text-dim);font-size:14.5px;font-weight:600}
.char-wrap{max-width:270px;margin:14px auto 0;animation:bob 3.2s ease-in-out infinite}
.char-wrap svg{width:100%;height:auto;display:block}

/* 吐槽气泡 */
.roast{
  position:relative;
  font-size:16px;line-height:1.75;margin:20px auto 0;max-width:440px;
  color:var(--text);font-weight:700;
  background:var(--surface);border:2px solid var(--line);border-radius:20px;
  padding:16px 20px;box-shadow:var(--shadow);
}
.roast::before{
  content:'';position:absolute;top:-11px;left:50%;transform:translateX(-50%) rotate(45deg);
  width:18px;height:18px;background:var(--surface);
  border-left:2px solid var(--line);border-top:2px solid var(--line);
}

.card{
  background:var(--surface);border:2px solid var(--line);border-radius:var(--radius);
  padding:20px;margin-top:20px;text-align:left;box-shadow:var(--shadow);
}
.card-title{color:var(--text-mute);font-size:12px;letter-spacing:2px;margin-bottom:14px;font-weight:800}

/* tier tabs */
.tier-tabs{display:flex;gap:8px}
.tier-tab{
  flex:1;padding:10px 4px;border-radius:999px;border:2px solid var(--line);
  background:var(--soft);color:var(--text-dim);font-size:14px;font-weight:800;cursor:pointer;
  transition:.15s;display:flex;align-items:center;justify-content:center;gap:6px;
}
.tier-tab:hover{color:var(--text)}
.tier-tab.active{border-color:var(--green);color:var(--green-deep);background:var(--green-soft)}
.tier-tab .you-dot{font-size:10px;letter-spacing:0}
.tier-body{margin-top:16px}
.tier-label{font-size:16.5px;font-weight:900}
.tier-desc{margin-top:8px;color:var(--text-dim);font-size:14.5px;line-height:1.85}

/* 成分分析条 */
.dim-row{margin-bottom:16px}
.dim-row:last-of-type{margin-bottom:6px}
.dim-head{display:flex;justify-content:space-between;align-items:baseline}
.dim-name{font-size:14px;font-weight:800}
.dim-name .sub{color:var(--text-mute);font-weight:600;font-size:12px;margin-left:6px}
.dim-verdict{font-size:14px;font-weight:900}
.dim-track{height:14px;background:var(--soft);border-radius:99px;margin-top:7px;overflow:hidden;border:1px solid var(--line)}
.dim-fill{height:100%;border-radius:99px;transition:width .6s ease}
.dims-note{margin-top:14px;color:var(--text-mute);font-size:11.5px;line-height:1.7}

/* traits + quote */
.traits{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  padding:7px 16px;border-radius:999px;background:var(--soft);
  border:1.5px solid var(--line);color:var(--text-dim);font-size:13px;font-weight:700;
}
.quote{
  margin-top:16px;padding:12px 16px;border-left:4px solid var(--green);
  background:var(--green-soft);border-radius:0 14px 14px 0;
  color:var(--text-dim);font-size:14px;line-height:1.75;font-style:normal;font-weight:600;
}

.deep-link{margin-top:26px;width:100%;font-size:15.5px;padding:17px 20px}
.result-actions{display:flex;gap:10px;margin-top:12px}
.btn-ghost{
  flex:1;padding:14px 10px;border-radius:999px;background:var(--surface);
  border:2px solid var(--line);color:var(--text-dim);font-size:14px;font-weight:700;
  cursor:pointer;transition:.15s;box-shadow:0 3px 10px rgba(74,96,68,.06);
}
.btn-ghost:hover{color:var(--green-deep);border-color:var(--green);transform:translateY(-2px)}

/* toast */
.toast{
  position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(20px);
  background:var(--text);color:#fffdf4;
  padding:12px 24px;border-radius:999px;font-size:14px;font-weight:700;opacity:0;
  transition:opacity .25s, transform .25s;z-index:99;white-space:nowrap;
  box-shadow:0 10px 30px rgba(51,65,58,.35);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:400px){
  .title{font-size:33px}
  .q-text{font-size:19px}
  .result-title{font-size:25px}
  .float-deco{font-size:20px}
}