/* หน้าคู่มือ/คำถามที่พบบ่อย (faq.html) — ใช้ร่วมกับ styles.css ของเว็บหลัก (ไม่แก้ไฟล์นั้น) */
.guide-page{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:70px 0 110px}
.guide-hero{max-width:700px;margin-bottom:46px}
.guide-hero h1{margin:0;font-size:clamp(36px,4.4vw,56px);font-weight:800;letter-spacing:-.06em;line-height:1.05}
.guide-hero .lede{margin:18px 0 0}
.guide-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:56px;align-items:start}
.guide-toc{position:sticky;top:104px;display:grid;gap:2px;padding-top:6px;border-top:1px solid var(--line)}
.guide-toc p{margin:12px 0 8px;color:#0b67ce;font:500 10px/1.4 DM Mono,monospace;letter-spacing:.08em}
.guide-toc a{display:grid;grid-template-columns:24px 1fr;gap:6px;padding:7px 8px;border-radius:8px;color:var(--muted);font-size:13px;font-weight:700;line-height:1.35;text-decoration:none}
.guide-toc a b{color:#78a8d7;font:500 11px/1.6 DM Mono,monospace}
.guide-toc a:hover,.guide-toc a.active{background:#edf6ff;color:var(--ink)}
.guide-list{display:grid;gap:22px}
.guide{scroll-margin-top:100px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 10px 26px rgba(11,43,91,.06);overflow:hidden}
.guide>summary{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:22px 24px;cursor:pointer;list-style:none}
.guide>summary::-webkit-details-marker{display:none}
.guide-num{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#0a76f4,#16bfe6);color:#fff;font:800 14px Manrope,sans-serif}
.guide h2{margin:0;font-size:19px;font-weight:800;letter-spacing:-.03em;line-height:1.25}
.guide h2 small{display:block;margin-top:3px;color:var(--muted);font-size:13px;font-weight:600;letter-spacing:0}
.tag-pro{display:inline-block;margin-left:8px;padding:2px 7px;border:1px solid #f8ad22;border-radius:999px;color:#c97a00;font:500 10px/1.4 DM Mono,monospace;vertical-align:3px}
.guide>summary:after{content:'+';display:grid;place-items:center;width:28px;height:28px;border:1px solid #c6d9ed;border-radius:50%;color:var(--blue);font-size:20px;line-height:1}
.guide[open]>summary:after{content:'−'}
.guide[open]>summary{border-bottom:1px solid var(--line);background:linear-gradient(90deg,#f1f8ff,#fff)}
.steps-list{margin:0;padding:8px 24px 26px;list-style:none;counter-reset:step}
.step{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:26px;align-items:center;padding:22px 0;border-top:1px dashed #dbe5f1}
.step:first-child{border-top:0}
.step-text h3{display:flex;gap:10px;align-items:baseline;margin:0 0 8px;font-size:16px;font-weight:800;letter-spacing:-.02em}
.step-text h3:before{counter-increment:step;content:'STEP ' counter(step);flex:none;padding:3px 8px;border-radius:6px;background:var(--ink);color:#fff;font:500 10px/1.4 DM Mono,monospace;letter-spacing:.06em}
.step-text p{margin:0;color:var(--muted);font-size:14px}
.step-text p+p{margin-top:8px}
.step-text kbd,.step-text .ui{display:inline-block;padding:1px 7px;border:1px solid #b9d0ea;border-radius:6px;background:#f2f8ff;color:#0a3d78;font:700 12.5px Manrope,sans-serif;white-space:nowrap}
.step-text .hint{margin-top:10px;padding:10px 12px;border-left:3px solid var(--orange);border-radius:0 8px 8px 0;background:var(--sand);color:#6b5434;font-size:13px}
.shot{margin:0;padding:10px;border:1px solid #b9d9fc;border-radius:14px;background:linear-gradient(145deg,#eaf6ff,#d9efff)}
.shot img{display:block;width:100%;height:auto;border-radius:9px;background:#061431;box-shadow:0 7px 16px rgba(6,35,78,.22);cursor:zoom-in}
.shot figcaption{margin-top:8px;color:#36658f;font:500 10px/1.4 DM Mono,monospace}
.step.wide{grid-template-columns:1fr}
.step-text.only{max-width:640px}
.guide-help{margin-top:40px;padding:26px 28px;border-radius:16px;background:var(--ink);color:#dce9fb}
.guide-help h2{margin:0 0 6px;color:#fff;font-size:20px;letter-spacing:-.03em}
.guide-help p{margin:0;color:#aebed5;font-size:14px}
.lightbox{position:fixed;inset:0;z-index:50;display:none;place-items:center;padding:24px;background:rgba(3,10,26,.86);cursor:zoom-out}
.lightbox.open{display:grid}
.lightbox img{max-width:min(1400px,100%);max-height:100%;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
@media(max-width:860px){
  .guide-page{padding:44px 0 80px}
  .guide-layout{grid-template-columns:1fr;gap:26px}
  .guide-toc{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .guide-toc p{grid-column:1/-1}
  .guide>summary{padding:18px 16px;gap:12px}
  .steps-list{padding:4px 16px 20px}
  .step{grid-template-columns:1fr;gap:14px}
}
/* ปุ่มในแถบเมนูของหน้านี้: ให้ตัวหนังสือขาว (กฎ .nav a ของ styles.css ทับสีไว้) */
.nav .button{color:#fff}
/* ภาพหน้าจอเล็ก (ปุ่มเดียว / แผงเดียว) ไม่ขยายจนแตกใหญ่ */
.shot.small img{width:auto;max-width:min(100%,300px);margin:0 auto}
.shot.tiny img{width:auto;max-width:min(100%,190px);margin:0 auto}
/* ลิงก์อีเมลในหน้าคู่มือ */
.guide-help a:not(.button){color:#7edcff}
.help-mail{margin-top:16px}
footer a{color:inherit}