/* Deep Dive (ทีมวิจัยหุ้น) — token --rt-* จาก theme ของ landing.css · ภาษาไทย line-height ≥ 1.5
   motion: สถานะเริ่มต้นซ่อนเฉพาะเมื่อมี .js (ตั้งใน <head>) — ปิด JS แล้วเห็นครบ
   prefers-reduced-motion: ทุกอย่างแสดงทันที ไม่เลื่อน ไม่นับ */

body.dd{background:var(--rt-bg);color:var(--rt-text);overflow-x:hidden}
.dd-wrap{width:min(1180px,calc(100% - 32px));margin-inline:auto}

/* ── top bar ── */
.dd-top{position:sticky;top:0;z-index:30;background:rgba(12,14,18,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--rt-border)}
.dd-top .dd-wrap{display:flex;align-items:center;gap:16px;min-height:60px}
.dd-brand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--rt-text)}
.dd-crumb{font-size:13px;color:var(--rt-muted);margin-right:auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dd-draft{background:var(--rt-highlight);color:#1a1405;text-align:center;font-size:13px;font-weight:700;padding:6px 16px;line-height:1.6}

/* ── layout: rail + article ── */
.dd-layout{display:grid;grid-template-columns:160px minmax(0,1fr);gap:48px;padding-top:24px}
.dd-main{max-width:760px;min-width:0}

.dd-rail{position:sticky;top:84px;align-self:start;padding-top:96px}
.dd-rail ol{list-style:none;margin:0;padding:0;display:grid;gap:6px;position:relative}
.dd-rail a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:12px;color:var(--rt-muted);font-size:13px;line-height:1.5;transition:background .25s,color .25s}
.dd-rail a b{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;border:1px solid var(--rt-border);font-size:13px;color:var(--rt-muted);transition:all .25s}
.dd-rail a:hover{color:var(--rt-text)}
.dd-rail a.on{background:var(--rt-surface);color:var(--rt-text)}
.dd-rail a.on b{background:var(--rt-accent-solid);border-color:var(--rt-accent-solid);color:#fff;box-shadow:0 0 0 4px rgba(124,58,237,.18)}
.dd-progress{height:3px;border-radius:3px;background:var(--rt-border);margin:0 10px 14px;overflow:hidden}
.dd-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--rt-accent-solid),var(--rt-accent));border-radius:3px}

/* ── hero ── */
.dd-hero{padding:28px 0 12px}
.dd-kicker{color:var(--rt-accent);font-size:13px;font-weight:700;letter-spacing:.03em;line-height:1.6;margin:0 0 10px}
.dd-hero h1{font-size:clamp(28px,4.2vw,44px);line-height:1.4;letter-spacing:-.01em;margin:0}
.dd-hero .lead{font-size:17px;line-height:1.85;color:var(--rt-secondary);max-width:680px;margin-top:14px}
.dd-chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:18px 0 0}
.dd-chips li{font-size:12px;line-height:1.6;color:var(--rt-muted);background:var(--rt-bg-muted);border:1px solid var(--rt-border);border-radius:999px;padding:4px 12px}

/* ── article typography ── */
.dd-article{font-size:17px;line-height:1.95;color:var(--rt-secondary)}
.dd-article p{margin:0 0 18px}
.dd-article strong{color:var(--rt-text)}
.dd-article a{color:var(--rt-accent);text-decoration:underline;text-underline-offset:4px}
.dd-article ul,.dd-article ol{margin:0 0 20px;padding-left:22px}
.dd-article li{margin-bottom:8px}
.dd-article li::marker{color:var(--rt-accent)}
.dd-article h3{font-size:21px;line-height:1.55;color:var(--rt-text);margin:36px 0 12px}
.dd-section{padding-top:56px;scroll-margin-top:80px}
.dd-section h2{display:flex;align-items:center;gap:14px;font-size:clamp(23px,3vw,30px);line-height:1.45;color:var(--rt-text);margin:0 0 18px}
.dd-pill{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(145deg,var(--rt-accent-solid),#5b21b6);color:#fff;font-size:20px;font-weight:800;box-shadow:0 8px 24px rgba(124,58,237,.35)}

.dd-summary{border:1px solid var(--rt-border);background:linear-gradient(160deg,rgba(124,58,237,.10),transparent 60%),var(--rt-surface);border-radius:20px;padding:22px 26px;margin:24px 0 8px}
.dd-summary p:first-child{color:var(--rt-text);font-weight:700;margin-bottom:10px}
.dd-summary ol{margin:0}

/* ── stat (ตัวเลขนับขึ้น) ── */
.dd-stats{display:grid;gap:14px;margin:26px 0}
.dd-stats.n2{grid-template-columns:repeat(2,1fr)}
.dd-stats.n3{grid-template-columns:repeat(3,1fr)}
.dd-stat{margin:0;padding:20px 20px 18px;border:1px solid var(--rt-border);border-radius:18px;background:var(--rt-surface);position:relative;overflow:hidden}
.dd-stat::after{content:'';position:absolute;inset:auto 0 0 0;height:3px;background:linear-gradient(90deg,var(--rt-accent-solid),transparent);transform-origin:left;transform:scaleX(1);transition:transform 1.1s cubic-bezier(.2,.7,.2,1) .15s}
.dd-stat .num{font-size:clamp(30px,4vw,40px);font-weight:800;line-height:1.25;color:var(--rt-text);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.dd-stat .suf{font-size:.5em;font-weight:700;color:var(--rt-accent);margin-left:4px}
.dd-stat figcaption{font-size:14px;line-height:1.7;color:var(--rt-muted);margin-top:8px}
.dd-stat small{display:block;font-size:11.5px;color:#6b7280;margin-top:6px;line-height:1.6}

/* ── chart (แท่งงอกจากเส้นศูนย์) ── */
.dd-chart{margin:28px 0;padding:18px 18px 14px;border:1px solid var(--rt-border);border-radius:18px;background:var(--rt-surface)}
.dd-chart-svg{width:100%;height:auto;display:block;overflow:visible}
.dd-chart-svg .zero{stroke:var(--rt-border);stroke-width:1.5}
.dd-bar rect{fill:var(--rt-accent-solid);transform-box:fill-box;transform-origin:50% 100%;transition:transform .9s cubic-bezier(.2,.7,.2,1) calc(var(--i)*70ms)}
.dd-bar.neg rect{fill:#ef4444;transform-origin:50% 0}
.dd-bar:last-child rect{fill:var(--rt-accent)}
.dd-bar.neg:last-child rect{fill:#f87171}
.dd-bar text{font-family:inherit;text-anchor:middle;transition:opacity .5s calc(var(--i)*70ms + .45s)}
.dd-bar .v{font-size:14px;font-weight:700;fill:var(--rt-text)}
.dd-bar .p{font-size:13px;fill:var(--rt-muted)}
.dd-chart figcaption,.dd-shot figcaption,.dd-business figcaption{font-size:14px;line-height:1.75;color:var(--rt-muted);margin-top:10px}
.dd-chart small{display:block;font-size:11.5px;color:#6b7280;margin-top:4px}

/* ── shot (ภาพแคปจากแอป) ── */
.dd-shot{margin:30px 0}
.dd-shot .frame{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--rt-border);background:#0f1217;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.dd-shot .bar{display:flex;align-items:center;gap:6px;height:34px;padding:0 14px;background:var(--rt-elevated);border-bottom:1px solid var(--rt-border)}
.dd-shot .bar i{width:10px;height:10px;border-radius:50%;background:#3b4252}
.dd-shot .bar b{margin-left:10px;font-size:12px;color:var(--rt-muted);font-weight:700}
.dd-shot .zoom{display:block;width:100%;padding:0;border:0;background:#fff;cursor:zoom-in;max-height:560px;overflow:hidden;position:relative}
.dd-shot.clip .zoom::after{content:'';position:absolute;inset:auto 0 0 0;height:70px;background:linear-gradient(transparent,rgba(15,18,23,.55));pointer-events:none}
.dd-shot img{display:block;width:100%;height:auto;transform-origin:50% 0;transition:transform 1.4s cubic-bezier(.2,.7,.2,1)}
.dd-shot .focus{display:inline-block;margin:10px 14px 12px;max-width:calc(100% - 28px);background:var(--rt-highlight);color:#1a1405;font-size:13px;font-weight:700;line-height:1.5;padding:6px 12px;border-radius:999px;box-shadow:0 0 0 0 rgba(243,190,75,.6)}
.dd-shot.is-in .focus{animation:dd-ping 1.8s ease-out .9s 2}
@keyframes dd-ping{0%{box-shadow:0 0 0 0 rgba(243,190,75,.55)}100%{box-shadow:0 0 0 16px rgba(243,190,75,0)}}

/* ── ภาพธุรกิจ (SVG ของนักออกแบบภาพ) ── */
.dd-business{margin:30px 0;padding:18px;border:1px solid var(--rt-border);border-radius:20px;background:var(--rt-bg-muted)}
.dd-business svg{display:block;width:100%;height:auto}
.dd-business .narrow{display:none}
.dd-business [data-step]{transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--s,0)*180ms)}

/* ── callout ── */
.dd-callout{display:flex;gap:14px;align-items:flex-start;margin:26px 0;padding:18px 20px;border-radius:16px;border:1px solid var(--rt-border);background:var(--rt-surface)}
.dd-callout p{margin:0;font-size:15.5px;line-height:1.85;color:var(--rt-secondary)}
.dd-callout .ic{flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;font-weight:800;font-size:15px;background:var(--rt-accent-solid);color:#fff}
.dd-callout.warn{border-color:rgba(243,190,75,.45);background:linear-gradient(160deg,rgba(243,190,75,.08),transparent 70%),var(--rt-surface)}
.dd-callout.warn .ic{background:var(--rt-highlight);color:#1a1405}

/* ── table ── */
.dd-table{overflow-x:auto;margin:22px 0;border:1px solid var(--rt-border);border-radius:16px}
.dd-table table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.6}
.dd-table th,.dd-table td{padding:10px 16px;text-align:left;border-bottom:1px solid var(--rt-border);white-space:nowrap}
.dd-table th{color:var(--rt-muted);font-weight:700;background:var(--rt-bg-muted)}
.dd-table tr:last-child td{border-bottom:0}
.dd-table td:last-child{font-variant-numeric:tabular-nums;color:var(--rt-text)}

/* ── CTA ── */
.dd-cta{margin:64px 0 24px;padding:34px 30px;border-radius:24px;border:1px solid var(--rt-accent-solid);background:radial-gradient(120% 140% at 0% 0%,rgba(124,58,237,.28),transparent 60%),var(--rt-surface)}
.dd-cta h2{font-size:clamp(22px,3vw,28px);line-height:1.45;margin:0 0 10px}
.dd-cta p{color:var(--rt-secondary);line-height:1.85;margin:0 0 20px}

/* ── index ── */
.dd-index{padding-bottom:40px}
.dd-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:20px}
.dd-card{display:grid;gap:8px;padding:22px;border:1px solid var(--rt-border);border-radius:18px;background:var(--rt-surface);color:var(--rt-text);transition:border-color .2s,transform .2s}
.dd-card:hover{border-color:var(--rt-accent);transform:translateY(-2px)}
.dd-card .t{font-size:12px;font-weight:800;color:var(--rt-accent);letter-spacing:.04em}
.dd-card h2{font-size:18px;line-height:1.55;margin:0}
.dd-card .d{font-size:12.5px;color:var(--rt-muted)}

/* ── footer ── */
.dd-foot{border-top:1px solid var(--rt-border);margin-top:40px;padding:28px 0 40px;font-size:13px;line-height:1.8;color:var(--rt-muted)}
.dd-foot p{margin:0 0 6px}
.dd-foot nav{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:12px}
.dd-foot a{color:var(--rt-secondary)}
.muted{color:var(--rt-muted)}

/* ── lightbox ── */
.dd-lightbox{max-width:min(1200px,96vw);max-height:92vh;padding:0;border:1px solid var(--rt-border);border-radius:14px;background:#fff;overflow:auto}
.dd-lightbox::backdrop{background:rgba(6,7,10,.82)}
.dd-lightbox img{display:block;width:100%;height:auto}
.dd-lightbox .close{position:sticky;top:8px;float:right;margin:8px;width:36px;height:36px;border-radius:50%;border:0;background:rgba(12,14,18,.85);color:#fff;font-size:22px;cursor:pointer}

/* ── motion: สถานะเริ่ม (เฉพาะเมื่อมี JS และผู้ใช้ไม่ได้ขอลด motion) ── */
@media (prefers-reduced-motion:no-preference){
  .js [data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
  .js [data-reveal].is-in{opacity:1;transform:none}
  .js .dd-stat:not(.is-in)::after{transform:scaleX(0)}
  .js .dd-chart:not(.is-in) .dd-bar rect{transform:scaleY(0)}
  .js .dd-chart:not(.is-in) .dd-bar text{opacity:0}
  .js .dd-shot:not(.is-in) img{transform:scale(1.06)}
  .js .dd-business:not(.is-in) [data-step]{opacity:0;transform:translateY(10px)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* ── responsive ── */
@media(max-width:980px){
  .dd-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:0}
  .dd-main{max-width:none}
  .dd-rail{position:sticky;top:60px;z-index:20;padding:8px 0 0;margin:0 -16px;background:rgba(12,14,18,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--rt-border)}
  .dd-rail ol{grid-template-columns:repeat(4,1fr);gap:4px;padding:0 12px 8px}
  .dd-rail a{justify-content:center;padding:6px 4px;gap:6px;font-size:12px}
  .dd-rail a span{display:none}
  .dd-rail a.on span{display:inline}
  .dd-progress{margin:0 16px 8px}
  .dd-section{scroll-margin-top:130px}
}
@media(max-width:640px){
  .dd-crumb{display:none}
  .dd-top .button.small{margin-left:auto;font-size:12px;padding:8px 14px;min-height:38px}
  .dd-article{font-size:16px;line-height:1.9}
  .dd-stats.n2,.dd-stats.n3{grid-template-columns:1fr}
  .dd-stat{padding:16px 18px}
  .dd-chart,.dd-business{padding:12px}
  .dd-business .wide{display:none}
  .dd-business .narrow{display:block}
  .dd-summary{padding:18px}
  .dd-cta{padding:26px 20px}
  .dd-cta .actions{flex-direction:column;align-items:stretch}
  .dd-shot .zoom{max-height:420px}
  .dd-section h2{gap:10px}
  .dd-pill{width:38px;height:38px;font-size:17px;border-radius:12px}
}

/* ── หัวข้อท้ายบท: ที่มา (ตัวเล็ก/จาง) ── */
.dd-section.sources{padding-top:40px;font-size:14.5px;line-height:1.85;color:var(--rt-muted)}
.dd-section.sources h2{font-size:18px;color:var(--rt-secondary)}
.dd-section.sources strong{color:var(--rt-secondary)}
.dd-cta{margin:40px 0 8px}
/* CTA อยู่ใน .dd-article — กันสไตล์ลิงก์ของบทความ (ขีดเส้นใต้/สีม่วง) ทับปุ่ม */
.dd-article .dd-cta a.button{text-decoration:none;color:#fff}
.dd-article .dd-cta a.button.secondary{color:var(--rt-text)}
/* กราฟบนจอแคบ: SVG ถูกย่อ ~50% → ขยายตัวอักษรใน user unit ให้ยังอ่านได้ (~11px) */
@media(max-width:640px){
  .dd-bar .v{font-size:22px}
  .dd-bar .p{font-size:19px}
}

/* ── โมเดลสินค้า 3 มิติ (::: product3d · CSS 3D ล้วน) ──
   เล่นวนเองแบบวิดีโอเมื่อเห็นบนจอ (JS ตั้ง data-step) · แถบความคืบหน้ากดข้ามขั้น · ปุ่มหยุด
   ไม่มี JS = data-step จาก build (ภาพผ่าข้างใน) + การ์ดเรียงครบ · ลดการเคลื่อนไหว = ไม่เล่นเอง */
@property --sway{syntax:'<angle>';inherits:true;initial-value:0deg}
.dd-p3d{--p3d-energy:#34d399;--zoom:.95;--rx:-18deg;--ry:-30deg;--tx:-30px;--ty:0px;--tz:0px;--k:1;--gap:4.2px;margin:34px 0}
.dd-p3d[data-step="2"]{--zoom:1.05;--rx:-16deg;--ry:-22deg;--tx:0px;--ty:56px;--tz:-150px}
.dd-p3d[data-step="3"]{--zoom:1.6;--rx:-26deg;--ry:-34deg;--tx:0px;--ty:76px;--tz:-200px;--gap:15px}
.dd-p3d[data-step="4"]{--zoom:1.3;--rx:-20deg;--ry:-14deg;--tx:-90px;--ty:76px;--tz:-200px;--gap:11px}
.p3d-pin{position:relative}
.p3d-stage{position:relative;height:clamp(340px,56vh,470px);border:1px solid var(--rt-border);border-radius:22px;overflow:hidden;
  background:radial-gradient(120% 80% at 50% 0%,rgba(124,58,237,.18),transparent 60%),radial-gradient(70% 55% at 50% 100%,rgba(52,211,153,.09),transparent 70%),#0b0e13;
  touch-action:pan-y;user-select:none;-webkit-user-select:none;cursor:grab}
.p3d-stage.dragging{cursor:grabbing}
.p3d-stage::before{content:'';position:absolute;left:-30%;right:-30%;bottom:-22%;height:62%;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:44px 44px;
  transform:perspective(520px) rotateX(64deg);-webkit-mask-image:linear-gradient(transparent,#000 35%,transparent);mask-image:linear-gradient(transparent,#000 35%,transparent)}
.p3d-scene{position:absolute;inset:0;perspective:1600px;perspective-origin:50% 42%}
.p3d-cam{position:absolute;left:50%;top:54%;transform-style:preserve-3d;
  transform:scale(calc(var(--zoom) * var(--k))) rotateX(var(--rx)) rotateY(calc(var(--ry) + var(--drag,0deg) + var(--sway))) translate3d(var(--tx),var(--ty),var(--tz));
  transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.js .p3d-cam{animation:p3d-sway 10s ease-in-out infinite alternate}
.p3d-stage.dragging .p3d-cam{transition:none}
@keyframes p3d-sway{from{--sway:-8deg}to{--sway:8deg}}
.p3d-world,.p3d-rack,.p3d-hero{position:absolute;left:0;top:0;transform-style:preserve-3d}

/* กล่อง 6 หน้า: จุดกึ่งกลางอยู่ที่ (--x,--y,--z) */
.p3d-box{position:absolute;left:0;top:0;width:var(--w);height:var(--h);margin:calc(var(--h) / -2) 0 0 calc(var(--w) / -2);transform-style:preserve-3d;transform:translate3d(var(--x),var(--y),var(--z))}
.p3d-box>.fx{position:absolute;left:0;top:0;display:block;box-sizing:border-box;transition:opacity .7s,background .7s,border-color .7s}
.p3d-box>.f-front,.p3d-box>.f-back{width:var(--w);height:var(--h)}
.p3d-box>.f-front{transform:translateZ(calc(var(--d) / 2))}
.p3d-box>.f-back{transform:rotateY(180deg) translateZ(calc(var(--d) / 2))}
.p3d-box>.f-right,.p3d-box>.f-left{width:var(--d);height:var(--h);left:calc((var(--w) - var(--d)) / 2)}
.p3d-box>.f-right{transform:rotateY(90deg) translateZ(calc(var(--w) / 2))}
.p3d-box>.f-left{transform:rotateY(-90deg) translateZ(calc(var(--w) / 2))}
.p3d-box>.f-top,.p3d-box>.f-bottom{width:var(--w);height:var(--d);top:calc((var(--h) - var(--d)) / 2)}
.p3d-box>.f-top{transform:rotateX(90deg) translateZ(calc(var(--h) / 2))}
.p3d-box>.f-bottom{transform:rotateX(-90deg) translateZ(calc(var(--h) / 2))}

/* วัสดุ */
.p3d-post>.fx,.p3d-plate>.fx{background:#1a1f27;border:1px solid rgba(255,255,255,.07)}
.p3d-plate>.f-top{background:linear-gradient(135deg,#262d38,#1b2029)}
.p3d-mod>.fx,.p3d-shell>.fx{background:#262d37;border:1px solid rgba(255,255,255,.07)}
.p3d-mod>.f-front,.p3d-shell>.f-front{background:repeating-linear-gradient(180deg,#3a4350 0 3px,#2a313b 3px 6px)}
.p3d-mod>.f-top,.p3d-shell>.f-top{background:linear-gradient(135deg,#4a5463,#363e4a)}
.p3d-mod>.f-right,.p3d-mod>.f-left,.p3d-shell>.f-right,.p3d-shell>.f-left{background:#1f252e}
.p3d-box .led{position:absolute;right:9px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--p3d-energy);box-shadow:0 0 8px var(--p3d-energy)}
.p3d-shell>.fx{border-color:rgba(167,139,250,.6)}
.p3d-shell>.f-front{box-shadow:inset 0 0 0 1px rgba(167,139,250,.5),0 0 22px rgba(124,58,237,.35)}
.p3d-box em{position:absolute;inset:0;display:grid;place-items:center;font-style:normal;font-size:10px;font-weight:800;letter-spacing:.04em;color:#f4f1ff;text-shadow:0 1px 2px rgba(0,0,0,.6)}
.p3d-ctrl>.fx{background:#1d232c;border:1px solid rgba(255,255,255,.08)}
.p3d-ctrl>.f-top{background:linear-gradient(135deg,#2d3542,#20262f)}
.p3d-ctrl>.f-front em{writing-mode:vertical-rl;font-size:11px;color:#cfc6ff}
.p3d-ctrl .scr{position:absolute;left:12px;right:12px;top:14px;height:26px;border-radius:4px;background:linear-gradient(180deg,rgba(52,211,153,.55),rgba(52,211,153,.12));box-shadow:0 0 12px rgba(52,211,153,.35)}

/* เซลล์ข้างในโมดูล — ซ่อนจนถึงขั้นผ่า */
.p3d-cell{transform:translate3d(0,calc(var(--k) * var(--gap)),0);transition:transform 1s cubic-bezier(.2,.7,.2,1)}
.p3d-cell>.fx{opacity:0;background:#7c8796;border:1px solid rgba(255,255,255,.18)}
.p3d-cell>.f-top{background:linear-gradient(135deg,#c9d1db,#8d97a5)}
.p3d-cell:nth-child(odd)>.f-top{background:linear-gradient(135deg,#a8b2bf,#6f7987)}
.p3d-spark{position:absolute;left:-4px;top:-4px;width:8px;height:8px;border-radius:50%;background:var(--p3d-energy);box-shadow:0 0 10px 2px var(--p3d-energy);opacity:0}

/* ขั้นตอน */
.p3d-hero{transform:translate3d(var(--hx),var(--hy),0);transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.dd-p3d:not([data-step="1"]) .p3d-hero{transform:translate3d(var(--hx),calc(var(--hy) - 76px),210px)}
.dd-p3d:not([data-step="1"]) .p3d-rack .fx,.dd-p3d:not([data-step="1"]) .p3d-ctrl .fx{opacity:.22}
.dd-p3d[data-step="3"] .p3d-shell>.fx,.dd-p3d[data-step="4"] .p3d-shell>.fx{background:rgba(124,58,237,.05);box-shadow:none}
.dd-p3d[data-step="3"] .p3d-shell .led,.dd-p3d[data-step="4"] .p3d-shell .led,
.dd-p3d[data-step="3"] .p3d-shell em,.dd-p3d[data-step="4"] .p3d-shell em{opacity:0}
.dd-p3d[data-step="3"] .p3d-cell>.fx,.dd-p3d[data-step="4"] .p3d-cell>.fx{opacity:1}
.dd-p3d[data-step="4"] .p3d-cell>.f-top{animation:p3d-charge 2.4s ease-in-out calc(var(--i) * .18s) infinite}
.dd-p3d[data-step="4"] .p3d-spark{animation:p3d-flow 2.6s linear calc(var(--i) * .43s) infinite}
@keyframes p3d-charge{0%,100%{box-shadow:none}50%{box-shadow:inset 0 0 0 200px rgba(52,211,153,.55),0 0 18px rgba(52,211,153,.6)}}
@keyframes p3d-flow{0%{opacity:0;transform:translate3d(40px,calc((var(--i) - 2.5) * 9px),0)}15%{opacity:1}85%{opacity:1}100%{opacity:0;transform:translate3d(320px,calc((var(--i) - 2.5) * 9px),0)}}

/* ป้าย 2D บนฉาก (ไม่หมุนตาม — อ่านง่าย) */
.p3d-callouts{position:absolute;inset:0;pointer-events:none}
.p3d-callouts .co{position:absolute;top:max(var(--y),66px);--ax:-50%;transform:translate(var(--ax),-50%) translateY(6px);font-size:13px;font-weight:700;line-height:1.5;color:#fff;white-space:nowrap;
  background:rgba(12,14,18,.84);border:1px solid rgba(167,139,250,.5);padding:6px 12px;border-radius:999px;opacity:0;transition:opacity .45s,transform .45s}
.p3d-callouts .co.al{--ax:0%}
.p3d-callouts .co.ar{--ax:-100%}
.dd-p3d[data-step="1"] .co[data-for="1"],.dd-p3d[data-step="2"] .co[data-for="2"],.dd-p3d[data-step="3"] .co[data-for="3"],.dd-p3d[data-step="4"] .co[data-for="4"]{opacity:1;transform:translate(var(--ax),-50%)}
.p3d-meter{position:absolute;left:16px;bottom:46px;min-width:210px;padding:10px 14px;border-radius:14px;background:rgba(12,14,18,.84);border:1px solid rgba(52,211,153,.45);opacity:0;transition:opacity .45s}
.p3d-meter small{display:block;font-size:12px;color:var(--rt-muted)}
.p3d-meter b{font-size:26px;font-weight:800;color:var(--p3d-energy);letter-spacing:-.01em}
.p3d-meter span{font-size:14px;color:var(--rt-text);font-weight:700}
.p3d-meter i{display:block;height:4px;margin-top:6px;border-radius:4px;background:rgba(255,255,255,.08);overflow:hidden}
.p3d-meter u{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--p3d-energy),#a7f3d0);transform-origin:left;transform:scaleX(.25)}
.dd-p3d[data-step="4"] .p3d-meter[data-for="4"],.dd-p3d[data-step="3"] .p3d-meter[data-for="3"]{opacity:1}
.dd-p3d[data-step="4"] .p3d-meter u{animation:p3d-fill 3.2s ease-in-out infinite}
@keyframes p3d-fill{0%{transform:scaleX(.25)}70%,100%{transform:scaleX(1)}}

.p3d-hud{position:absolute;left:14px;right:14px;top:12px;display:flex;align-items:center;justify-content:space-between;gap:8px;pointer-events:none}
.p3d-hud .tag{font-size:12px;font-weight:700;color:var(--rt-text);background:rgba(255,255,255,.06);border:1px solid var(--rt-border);padding:4px 11px;border-radius:999px}
.p3d-hud .hint{font-size:12px;color:var(--rt-muted)}
/* แถบความคืบหน้าแบบ story — ขั้นละ 1 ช่อง กดข้ามได้ */
.p3d-bar{position:absolute;left:16px;right:16px;bottom:16px;display:flex;gap:6px}
.p3d-bar button{position:relative;flex:1;height:4px;padding:0;border:0;border-radius:4px;background:rgba(255,255,255,.2);cursor:pointer;overflow:visible}
.p3d-bar button::before{content:'';position:absolute;inset:-10px 0}
.p3d-bar i{position:absolute;inset:0;border-radius:4px;background:var(--rt-accent);transform-origin:left;transform:scaleX(0)}
.p3d-bar .done i{transform:scaleX(1)}
.p3d-bar .on i{animation:p3d-prog var(--dur,4500ms) linear forwards}
.dd-p3d.paused .p3d-bar .on i{animation-play-state:paused}
@keyframes p3d-prog{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.p3d-hud .hint{margin-left:auto}
.p3d-play{pointer-events:auto;display:grid;place-items:center;width:32px;height:32px;padding:0;border-radius:50%;border:1px solid var(--rt-border);background:rgba(12,14,18,.7);color:var(--rt-text);cursor:pointer}
.p3d-play span{width:10px;height:12px;border-left:3px solid currentColor;border-right:3px solid currentColor}
.p3d-play[aria-pressed="true"] span{width:0;height:0;border:0;border-left:11px solid currentColor;border-top:7px solid transparent;border-bottom:7px solid transparent;margin-left:3px}
html:not(.js) .p3d-bar,html:not(.js) .p3d-play,html:not(.js) .p3d-hud .hint{display:none}

/* การ์ดข้อความ */
.p3d-steps{list-style:none;margin:2px 0 0;padding:0;display:grid;gap:12px;position:relative;z-index:1}
.p3d-steps .card{background:var(--rt-surface);border:1px solid var(--rt-border);border-radius:16px;padding:16px 18px;transition:opacity .4s,border-color .4s}
.p3d-steps .no{display:inline-block;margin-right:8px;font-size:12px;font-weight:800;color:var(--rt-accent)}
.p3d-steps b{font-size:16px;color:var(--rt-text)}
.p3d-steps p{margin:6px 0 0;font-size:15px;line-height:1.8;color:var(--rt-secondary)}
/* มี JS: การ์ดทุกใบซ้อนในช่องเดียว (สูงเท่าใบที่ยาวสุด หน้าไม่กระตุก) โชว์เฉพาะขั้นปัจจุบัน */
.js .p3d-steps{display:grid;gap:0;margin-top:12px}
.js .p3d-steps li{grid-area:1/1;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .45s,transform .45s,visibility 0s .45s}
.js .p3d-steps li.on{opacity:1;visibility:visible;transform:none;transition:opacity .45s,transform .45s}
.js .p3d-steps li.on .card{border-color:rgba(167,139,250,.45)}
.dd-p3d figcaption{font-size:13px;line-height:1.7;color:var(--rt-muted);margin-top:10px}

@media(max-width:640px){
  .dd-p3d{--k:.62}
  .p3d-stage{height:clamp(290px,46vh,380px);border-radius:18px}
  .p3d-callouts .co{font-size:12px;padding:5px 10px}
  .p3d-meter{left:10px;bottom:38px;min-width:0;padding:8px 12px}
  .p3d-meter b{font-size:20px}
}