/* 共用樣式 —— talk.html / thanks.html / feedback.html / testimonial.html 都載入這個檔
   設計語言跟首頁 index.html 一致（同一套顏色變數），首頁本身不載入這個檔、保持獨立 */

:root{
  color-scheme: light dark;
  --ground:#F5F1F3;
  --surface:#FFFFFF;
  --surface-2:#EFE9EC;
  --ink:#2C2630;
  --ink-soft:#5A505A;
  --muted:#8C808A;
  --line:#E2D8DE;
  --accent:#B23A56;
  --accent-deep:#8F2C46;
  --accent-soft:#D98BA0;
  --gold:#B98A55;
  --wind:#3A88C8;
  --water:#1A9898;
  --fire:#C86010;
  --earth:#C6A64A;
  --good:#2F8F5B;
  --shadow:0 1px 2px rgba(44,20,30,.05),0 12px 36px -18px rgba(44,20,30,.28);
  --serif:"Songti TC","STSong","Noto Serif TC","Source Han Serif TC","MingLiU",serif;
  --sans:"PingFang TC","Noto Sans TC","Microsoft JhengHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    --ground:#16121A;--surface:#211B26;--surface-2:#2A222F;--ink:#ECE3EA;--ink-soft:#C4B6C1;
    --muted:#9C8E99;--line:#352B3B;--accent:#E17089;--accent-deep:#C9536F;--accent-soft:#F0A9BB;
    --gold:#D3A567;--good:#4FBE84;--shadow:0 1px 2px rgba(0,0,0,.3),0 16px 44px -20px rgba(0,0,0,.6);
  }
}
:root[data-theme="light"]{
  color-scheme: light;
  --ground:#F5F1F3;--surface:#FFFFFF;--surface-2:#EFE9EC;--ink:#2C2630;--ink-soft:#5A505A;
  --muted:#8C808A;--line:#E2D8DE;--accent:#B23A56;--accent-deep:#8F2C46;--accent-soft:#D98BA0;
  --gold:#B98A55;--good:#2F8F5B;--shadow:0 1px 2px rgba(44,20,30,.05),0 12px 36px -18px rgba(44,20,30,.28);
}
:root[data-theme="dark"]{
  color-scheme: dark;
  --ground:#16121A;--surface:#211B26;--surface-2:#2A222F;--ink:#ECE3EA;--ink-soft:#C4B6C1;
  --muted:#9C8E99;--line:#352B3B;--accent:#E17089;--accent-deep:#C9536F;--accent-soft:#F0A9BB;
  --gold:#D3A567;--good:#4FBE84;--shadow:0 1px 2px rgba(0,0,0,.3),0 16px 44px -20px rgba(0,0,0,.6);
}

*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);
  line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  font-size:16px;letter-spacing:.01em;overflow-x:hidden}
h1,h2,h3{font-family:var(--serif);font-weight:600;text-wrap:balance;line-height:1.25;margin:0}
a{color:inherit}
img{max-width:100%}
.wrap{width:100%;max-width:760px;margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--sans);font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin:0 0 18px}
.lead{color:var(--ink-soft);font-size:1.06rem}
.nb{white-space:nowrap}

.spectrum{display:flex;gap:0;height:4px;width:64px;border-radius:4px;overflow:hidden}
.spectrum i{flex:1}
.spectrum .w{background:var(--wind)}.spectrum .a{background:var(--water)}
.spectrum .f{background:var(--fire)}.spectrum .e{background:var(--earth)}

/* ---------- top bar ---------- */
.topbar{padding:22px 0}
.topbar a{display:inline-flex;align-items:center;gap:8px;font-size:.88rem;color:var(--muted);
  text-decoration:none;font-weight:600}
.topbar a:hover{color:var(--accent)}

/* ---------- small hero ---------- */
.hero-sm{padding:28px 0 56px;text-align:center}
.hero-sm .spectrum{margin:0 auto 24px}
.hero-sm h1{font-size:clamp(1.8rem,5.5vw,2.6rem);margin-bottom:16px}
.hero-sm .thesis{font-family:var(--serif);font-size:clamp(1.05rem,2.6vw,1.25rem);color:var(--ink-soft);
  max-width:30em;margin:0 auto}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-weight:600;
  font-size:.95rem;padding:14px 26px;border-radius:999px;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;cursor:pointer;border:none}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px -10px color-mix(in srgb,var(--accent) 70%,transparent)}
.btn-primary:hover{transform:translateY(-2px);background:var(--accent-deep)}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:var(--surface)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--accent-soft)}
.btn-line{background:#06C755;border-color:#06C755;color:#fff;
  box-shadow:0 10px 24px -10px rgba(6,199,85,.7)}
.btn-line:hover{background:#05b64d}
.btn-block{width:100%;justify-content:center;padding:16px 26px;font-size:1rem}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none !important}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:8px}

/* ---------- section ---------- */
section{padding:56px 0}
.section-head{max-width:34em;margin:0 auto 36px;text-align:center}
.section-head h2{font-size:clamp(1.5rem,4vw,2.1rem);margin:10px 0 14px}
.section-head .lead{max-width:30em;margin:0 auto}

/* ---------- cards / grid ---------- */
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px 24px;
  box-shadow:var(--shadow)}
.card h3{font-size:1.1rem;margin:0 0 10px}
.card p{margin:0;color:var(--ink-soft);font-size:.96rem}
.chip{font-size:.82rem;font-weight:600;color:var(--ink-soft);background:var(--surface-2);
  border:1px solid var(--line);padding:7px 15px;border-radius:999px}
.creds{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;justify-content:center}

/* ---------- steps / flow ---------- */
.steps{display:flex;flex-direction:column;gap:14px;max-width:560px;margin:0 auto}
.step{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:16px;padding:18px 20px;box-shadow:var(--shadow)}
.step .n{flex-shrink:0;width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;
  font-family:var(--serif);font-weight:600;display:flex;align-items:center;justify-content:center;font-size:.95rem}
.step p{margin:0;color:var(--ink-soft);font-size:.95rem}
.step b{color:var(--ink);font-family:var(--serif);font-size:1.02rem;display:block;margin-bottom:4px}

/* ---------- quotes (reuse for 回饋) ---------- */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.quote{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px 22px 20px;box-shadow:var(--shadow)}
.quote .mk{font-family:var(--serif);font-size:2.2rem;color:var(--accent-soft);line-height:.5;display:block;margin-bottom:8px}
.quote p{margin:0 0 12px;font-family:var(--serif);font-size:.98rem;line-height:1.65;color:var(--ink)}
.quote .by{font-size:.8rem;color:var(--muted);font-weight:600}
.quote .by em{font-style:normal;color:var(--accent)}

/* ---------- pricing / session card ---------- */
.pricing{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:32px 28px;
  box-shadow:var(--shadow);text-align:center;max-width:420px;margin:0 auto}
.pricing .price{font-family:var(--serif);font-size:2.4rem;color:var(--accent);margin:4px 0}
.pricing .price small{font-size:1rem;color:var(--muted);font-weight:500}
.pricing dl{display:flex;flex-direction:column;gap:8px;margin:18px 0 22px;text-align:left}
.pricing dl div{display:flex;justify-content:space-between;gap:12px;font-size:.92rem}
.pricing dl dt{color:var(--muted)}
.pricing dl dd{margin:0;font-weight:600;color:var(--ink)}
.pricing .note{font-size:.84rem;color:var(--muted);margin-top:14px}

/* ---------- FAQ ---------- */
.faq{max-width:600px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:4px 20px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;padding:16px 0;font-weight:600;font-family:var(--serif);font-size:1.02rem;list-style:none;
  display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--accent);flex-shrink:0;margin-left:12px}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 18px;color:var(--ink-soft);font-size:.94rem}

/* ---------- form ---------- */
form.ariel-form{max-width:560px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:.9rem;font-weight:600;color:var(--ink)}
.field .hint{font-size:.78rem;color:var(--muted);font-weight:400}
.field input[type="text"],.field input[type="email"],.field input[type="date"],
.field textarea,.field select{
  font-family:var(--sans);font-size:.98rem;color:var(--ink);background:var(--surface);
  border:1px solid var(--line);border-radius:12px;padding:12px 14px;width:100%;
  transition:border-color .15s ease}
.field textarea{resize:vertical;min-height:88px;line-height:1.6}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent-soft)}
.birthday-group{display:flex;gap:10px}
.birthday-group select{flex:1;min-width:0}
.radio-group,.checkbox-group{display:flex;flex-direction:column;gap:10px}
.radio-row,.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:.92rem;color:var(--ink-soft)}
.radio-row input,.checkbox-row input{margin-top:3px;flex-shrink:0}
.consent{font-size:.84rem;color:var(--muted);line-height:1.6;background:var(--surface-2);
  border-radius:14px;padding:16px 18px}
.hp-field{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{font-size:.9rem;padding:14px 16px;border-radius:12px;display:none}
.form-msg.show{display:block}
.form-msg.error{background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent-deep)}

.success-box{display:none;text-align:center;max-width:460px;margin:0 auto}
.success-box.show{display:block}
.success-box h3{font-size:1.3rem;margin-bottom:10px}
.success-box p{color:var(--ink-soft);font-size:.96rem}

/* ---------- contact / line cta ---------- */
.contact-box{background:var(--surface-2);border:1px solid var(--line);border-radius:20px;
  padding:28px 26px;text-align:center;max-width:460px;margin:0 auto}
.contact-box p{margin:0 0 18px;color:var(--ink-soft);font-size:.96rem}

footer{padding:40px 0 56px;border-top:1px solid var(--line);text-align:center;color:var(--muted);
  font-size:.85rem}
footer .spectrum{margin:0 auto 18px}

@media (max-width:560px){
  section{padding:44px 0}
  .card{padding:22px 20px}
  .pricing{padding:26px 22px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important}
}