:root{
  --ink:#2a2320; --mute:#6f635b; --paper:#faf6f0; --band:#f1e9de;
  --ember:#b8401f; --ember-d:#96311a; --line:#e2d7c8; --ok:#2f6b4a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  font-size:17px;line-height:1.75;padding-bottom:76px}
.wrap{max-width:680px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:"Noto Serif TC","Songti TC",serif;line-height:1.35;margin:0}
h1{font-size:34px;letter-spacing:.02em}
h1 em{font-style:normal;color:var(--ember)}
h2{font-size:24px;margin-bottom:18px}
h3{font-size:20px;margin-bottom:8px}
p{margin:0 0 12px}
a{color:var(--ember-d)}
section{padding:44px 0}
.band{background:var(--band)}

.hero{padding:40px 0 0;background:linear-gradient(180deg,#f3e7d8 0%,var(--paper) 100%);text-align:center}
.tag{display:inline-block;border:1px solid var(--ember);color:var(--ember-d);border-radius:999px;
  padding:2px 14px;font-size:14px;margin-bottom:16px}
.lead{margin:16px 0 22px;color:var(--mute)}
.sub{font-size:14px;color:var(--mute);margin-top:12px}
.hero-img{display:block;width:100%;max-width:360px;height:auto;margin:20px auto 0;border-radius:14px}

.btn{display:inline-block;background:var(--ember);color:#fff;text-decoration:none;border:0;border-radius:10px;
  padding:14px 30px;font-size:18px;font-weight:700;font-family:inherit;cursor:pointer}
.btn:hover{background:var(--ember-d)}
.btn[disabled]{opacity:.6;cursor:default}

.cards,.steps,.timeline,.plain{list-style:none;margin:0;padding:0}
.cards li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:12px}
.cards b,.steps b{display:block;font-size:18px;margin-bottom:2px}
.cards span,.steps span{color:var(--mute);font-size:16px}

.steps{counter-reset:s}
.steps li{position:relative;padding:0 0 18px 52px;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:50%;
  background:var(--ember);color:#fff;font-weight:700;text-align:center;line-height:36px}
.note{font-size:15px;color:var(--mute);border-top:1px solid var(--line);padding-top:14px;margin-top:6px}

.timeline li{position:relative;border-left:2px solid var(--line);padding:0 0 20px 20px;margin-left:8px;
  color:var(--mute);font-size:16px}
.timeline li::before{content:"";position:absolute;left:-7px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--ember)}
.timeline li:last-child{padding-bottom:0}
.timeline b{display:block;color:var(--ink);font-size:18px}
.timeline i{font-style:normal;font-size:13px;color:var(--ember-d);letter-spacing:.05em}

.t-row{display:flex;gap:18px;align-items:flex-start}
.t-row img{width:110px;height:auto;border-radius:12px;flex:none}
.t-row p{font-size:16px;color:var(--mute)}

.plain li{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
.plain li:last-child{border-bottom:0}

#signup{scroll-margin-top:12px}
.form-lead{color:var(--mute)}
form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
label{display:block;font-weight:700;font-size:16px;margin-bottom:16px}
.req{font-weight:400;font-size:12px;color:var(--ember-d);margin-left:6px}
input,select,textarea{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid #cdbfae;border-radius:8px;
  font:inherit;font-size:16px;font-weight:400;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--ember);outline-offset:1px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.privacy{font-size:13px;color:var(--mute);line-height:1.6}
.msg{color:var(--ember-d);font-weight:700;min-height:1em;margin-bottom:10px}
form .btn{width:100%}
.done{background:#eef6f0;border:1px solid #b9d8c5;border-radius:14px;padding:22px;color:var(--ok)}
.done h3{color:var(--ok)}

footer{background:var(--ink);color:#d9cfc4;font-size:14px;padding:28px 0}
footer p{margin:0 0 4px}
footer a{color:#f0c9a8}

.sticky{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:9;
  background:var(--ember);color:#fff;text-align:center;text-decoration:none;font-weight:700;font-size:18px;
  padding:14px;border-radius:12px;box-shadow:0 6px 18px rgba(0,0,0,.22)}
.sticky.hide{display:none}

@media (min-width:720px){
  h1{font-size:44px}
  .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
  .cards li{margin:0}
  .sticky{display:none}
  body{padding-bottom:0}
}

/* v2：主打課程解決的問題 */
.hero{padding-bottom:36px}
.facts{list-style:none;margin:0 0 24px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.facts li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 6px}
.facts b{display:block;font-size:16px;color:var(--ember-d);line-height:1.4}
.facts span{display:block;font-size:12px;color:var(--mute);line-height:1.5;margin-top:2px}

.pains,.solve,.path,.units{list-style:none;margin:0;padding:0}
.pains li{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:16px;margin-bottom:12px}
.pains svg{flex:none;width:44px;height:44px;fill:none;stroke:var(--ember);stroke-width:2.2;
  stroke-linecap:round;stroke-linejoin:round}
.pains svg .dot{fill:var(--ember)}
.pains b{display:block;font-size:18px;line-height:1.45}
.pains span{display:block;color:var(--mute);font-size:15px;margin-top:2px}

.solve li{background:#fff;border-radius:12px;border-left:5px solid var(--ember);padding:14px 16px;margin-bottom:12px}
.solve i{display:block;font-style:normal;font-size:13px;color:var(--mute);text-decoration:line-through}
.solve b{display:block;font-size:18px;line-height:1.45}
.solve span{display:block;color:var(--mute);font-size:15px;margin-top:2px}

.path>li{border:1px solid var(--line);border-radius:12px;background:#fff;padding:16px 18px;margin-bottom:12px}
.path p{font-size:16px;color:var(--mute);margin:6px 0 0}
.p-tag{display:inline-block;font-size:13px !important;color:var(--ember-d) !important;border:1px solid var(--ember);
  border-radius:999px;padding:0 10px;margin:0 0 8px !important}
.p-tag.free{background:var(--ember);color:#fff !important}
.units{margin:8px 0 0;counter-reset:u}
.units li{position:relative;padding:5px 0 5px 30px;font-size:16px;border-bottom:1px dashed var(--line);counter-increment:u}
.units li:last-child{border-bottom:0}
.units li::before{content:counter(u);position:absolute;left:0;top:8px;width:20px;height:20px;border-radius:50%;
  background:var(--band);color:var(--ember-d);font-size:12px;font-weight:700;text-align:center;line-height:20px}

.timeline i{font-size:14px;font-weight:700}
.avatar{flex:none;width:72px;height:72px;border-radius:50%;background:var(--ember);color:#fff;
  font-family:"Noto Serif TC","Songti TC",serif;font-size:34px;text-align:center;line-height:72px}
.tool{display:flex;gap:14px;align-items:center;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.tool img{width:120px;height:auto;border-radius:10px;flex:none}
.tool p{font-size:15px;color:var(--mute);margin:0}
.tool b{display:block;color:var(--ink)}

.faq{margin:0}
.faq dt{font-weight:700;font-size:17px;padding-top:14px}
.faq dd{margin:4px 0 0;padding-bottom:14px;border-bottom:1px solid var(--line);color:var(--mute);font-size:16px}

@media (min-width:720px){
  .pains{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .pains li{margin:0}
}

/* 操作比較表、真實案例 */
.cmp-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:12px;background:#fff}
.cmp{border-collapse:collapse;width:100%;min-width:520px;font-size:15px;line-height:1.5}
.cmp th,.cmp td{padding:10px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.cmp tr:last-child th,.cmp tr:last-child td{border-bottom:0}
.cmp thead th{background:var(--band);font-size:14px;white-space:nowrap}
.cmp tbody th{white-space:nowrap;color:var(--mute);font-weight:400;font-size:14px}
.cmp .me{background:#fbeee8;font-weight:700;color:var(--ember-d)}
[hidden]{display:none !important}
.cases{list-style:none;margin:0;padding:0}
.cases li{background:#fff;border-radius:12px;padding:16px 18px;margin-bottom:12px}
.cases img{width:100%;height:auto;border-radius:10px;margin-bottom:10px}
.cases .q{font-size:17px;margin:0 0 6px}
.cases .w{font-size:14px;color:var(--mute);margin:0}

/* 手機：比較表改成一列一張卡，三種做法直排，不用橫向捲動 */
@media (max-width:719px){
  .cmp-wrap{overflow:visible;border:0;background:none}
  .cmp{min-width:0;display:block}
  .cmp thead{display:none}
  .cmp tbody,.cmp tr,.cmp th,.cmp td{display:block}
  .cmp tr{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
  .cmp tbody th{background:var(--band);color:var(--ink);font-weight:700;font-size:15px;border:0;padding:8px 14px}
  .cmp td{border:0;border-top:1px solid var(--line);padding:9px 14px 9px 96px;position:relative;font-size:15px}
  .cmp td::before{content:attr(data-h);position:absolute;left:14px;top:9px;font-size:13px;font-weight:400;color:var(--mute)}
  .cmp td.me::before{color:var(--ember-d);font-weight:700}
}

/* 示意圖、老師素材 */
.shot{position:relative;margin:22px 0 0}
.shot img{display:block;width:100%;height:auto;border-radius:14px}
.shot figcaption{position:absolute;right:8px;bottom:8px;background:rgba(42,35,32,.62);color:#fff;font-size:11px;
  line-height:1;padding:4px 7px;border-radius:6px;letter-spacing:.05em}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}
.duo .shot{margin:0}
.duo img{aspect-ratio:1/1;object-fit:cover}
.shot.wide{margin-top:18px}
.cap{text-align:center;font-size:15px;color:var(--mute);margin:10px 0 0}
.avatar.has-photo{background-size:cover;background-position:center}
#demoBox video,#demoBox iframe{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:14px;background:#000}