/* Trang /thu/: hướng dẫn 2 việc vào thử Piglance. Dùng chung style.css và trang-chu.css */
/* ---------- từng bước ---------- */
.stepper { margin-top: 30px; display: grid; gap: 22px; max-width: 760px; }
.prog { display: grid; gap: 10px; }
.prog .dem { font-weight: 800; font-size: 18px; color: var(--violet-ink); }
.prog .bar { height: 14px; border-radius: 99px; background: var(--line); overflow: hidden; }
.prog .bar i { display: block; height: 100%; width: 33.33%; border-radius: 99px; background: var(--violet); transition: width .45s cubic-bezier(.2,.8,.3,1); }
.stepper.xong .bar i { background: var(--income); }
.tabs { list-style: none; margin: 4px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.tabs button { width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px; font: 800 16px/1.15 var(--font); color: var(--ink2); background: var(--surface); border: 2px solid var(--line); border-radius: 16px; padding: 10px 10px 8px; cursor: pointer; min-height: 52px; }
.tabs button b { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--violet-soft); color: var(--violet-ink); display: grid; place-items: center; padding-top: 3px; font-size: 17px; }
.tabs button.past b { background: var(--income-soft); color: var(--income); }
.tabs button.now { border-color: var(--violet); color: var(--violet-ink); background: var(--violet-soft); }
.tabs button.now b { background: var(--violet); color: #fff; }
.tabs button:hover { border-color: var(--violet); }
@media (max-width: 599px) { .tabs button span { display: none; } }

.step { background: var(--bg); border: 2px solid var(--line); border-radius: 26px; padding: 28px 24px 30px; display: grid; gap: 14px; align-content: start; box-shadow: 0 6px 0 var(--line); }
.js .step { display: none; }
.js .step.on { display: grid; animation: vao .4s cubic-bezier(.2,.8,.3,1); }
@keyframes vao { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.step .n { width: 56px; height: 56px; border-radius: 50%; background: var(--violet); color: #fff; font-weight: 800; font-size: 30px; display: grid; place-items: center; padding-top: 4px; box-shadow: 0 4px 0 var(--violet-ink); }
.step h3 { font-size: clamp(28px, 5vw, 36px); line-height: 1.05; }
.step h3:focus { outline: none; }
.step p { color: var(--ink2); font-size: 19px; }
.step .goi-y { font-size: 17px; }
.step .acts { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 6px; }
.step .btn.big, .hero .btn.big { font-size: 22px; padding: 20px 30px 18px; }
[hidden] { display: none !important; }
.step .du-phong { font-size: 17px; }
.step .du-phong a { font-weight: 800; }
.step .hoi { background: var(--violet-soft); border: 2px solid var(--violet); border-radius: 20px; padding: 16px 18px 18px; display: grid; gap: 12px; animation: vao .4s cubic-bezier(.2,.8,.3,1); }
.step .hoi > p { color: var(--violet-ink); font-size: 20px; }
.la-android #buoc-2 .btn.big { animation: nhun 1.8s ease-in-out infinite; }
@keyframes nhun { 0%, 100% { transform: none; } 50% { transform: translateY(-4px); } }
.step .soon { background: var(--lime-soft); color: var(--lime-ink); padding: 12px 16px 10px; border-radius: 16px; border: 2px solid var(--lime); font-weight: 700; font-size: 17px; }
.step .lui { justify-self: start; background: none; border: 0; padding: 6px 2px; font: 800 17px/1.2 var(--font); color: var(--violet); text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }
@media (max-width: 599px) { .step .acts .btn { width: 100%; } .step .btn.big { font-size: 21px; } }
.step.mung { justify-items: center; text-align: center; background: var(--lime-soft); border-color: var(--lime); box-shadow: 0 6px 0 var(--lime); }
.step.mung p { color: var(--lime-ink); }
.step.mung .acts { justify-content: center; }
.stage.mini { width: min(100%, 230px); }
.stage.mini .hero-pig { cursor: default; }

.may-khac { display: none; margin-top: 24px; max-width: 760px; background: var(--violet-soft); border: 2px solid var(--violet); border-radius: 20px; padding: 20px; gap: 18px; align-items: center; grid-template-columns: 1fr; }
.may-khac .mk-text { display: grid; gap: 12px; justify-items: start; }
.may-khac p { color: var(--violet-ink); font-size: 18px; font-weight: 700; }
.may-khac .da-chep { font-size: 17px; }
.may-khac .da-chep:empty { display: none; }
.may-khac .qr { width: 200px; height: 200px; border-radius: 16px; border: 6px solid #fff; box-shadow: 0 4px 0 var(--line); }
@media (min-width: 600px) { .may-khac { grid-template-columns: 1fr auto; } }
html.khong-android .may-khac { display: grid; }

.faq { width: min(760px, 100% - 40px); }
.faq h2 { margin-bottom: 18px; }
.faq details { background: var(--surface); border: 2px solid var(--line); border-radius: 18px; padding: 0 20px; margin: 10px 0; }
.faq summary { cursor: pointer; font-weight: 800; font-size: 20px; line-height: 1.25; padding: 16px 0 12px; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; width: 32px; height: 32px; border-radius: 50%; background: var(--violet-soft); color: var(--violet-ink); font-size: 24px; line-height: 1; display: grid; place-items: center; padding-bottom: 2px; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 16px; color: var(--ink2); font-size: 18px; }
.faq details a { font-weight: 800; }

.thu-help { display: grid; gap: 18px; justify-items: start; padding-top: 20px; }
.sec.lime .lead { color: var(--lime-ink); }