    /* ---------------- SECTION 3: TUTORIAL / GUIDE (PERSONA 3 RELOAD STYLE) ---------------- */

    .guide-layout {
      position: relative;
      width: 100%;
      min-height: calc(100vh - 66px);
      height: auto;
      background: transparent;
      overflow: visible;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 0;
      box-sizing: border-box;
      z-index: 2;
    }

    .guide-layout[hidden] {
      display: none !important;
    }

    /* Ambient Water Ripples & Floating Bubbles (Matching Page 1/2) */
    .guide-water-ambient {
      position: absolute;
      inset: 0;
      pointer-events: none;
      z-index: 1;
      overflow: hidden;
    }

    .guide-water-ripples {
      position: absolute;
      inset: -35%;
      opacity: 0.42;
      background:
        radial-gradient(circle at 65% 30%, rgba(84, 232, 255, 0.22), transparent 40%),
        repeating-radial-gradient(
          ellipse at 50% 120%,
          transparent 0 32px,
          rgba(84, 232, 255, 0.28) 35px,
          transparent 38px 65px
        );
      transform: perspective(650px) rotateX(62deg) translateY(20%);
      animation: guideWaterMotion 10s linear infinite;
    }

    @keyframes guideWaterMotion {
      to {
        transform: perspective(650px) rotateX(62deg) translateY(32%);
      }
    }

    .guide-ambient-bubbles {
      position: absolute;
      inset: 0;
    }

    .guide-ambient-bubbles i {
      position: absolute;
      left: var(--bx);
      bottom: -40px;
      width: var(--bs);
      height: var(--bs);
      border: 1.5px solid rgba(166, 238, 255, 0.85);
      border-radius: 48% 52% 58% 42%;
      box-shadow: 0 0 14px rgba(84, 232, 255, 0.45), inset 0 0 6px rgba(84, 232, 255, 0.3);
      animation: guideBubbleFloat var(--dur) var(--bd) linear infinite;
    }

    @keyframes guideBubbleFloat {
      0% {
        opacity: 0;
        transform: translateY(0) scale(0.65) rotate(0deg);
      }
      12% {
        opacity: 0.85;
      }
      88% {
        opacity: 0.85;
      }
      100% {
        opacity: 0;
        transform: translateY(-115vh) scale(1.15) rotate(210deg);
      }
    }

    /* 1. Top Infinite Angled Marquee */
    .guide-marquee-track {
      position: absolute;
      top: clamp(24px, 5vh, 60px);
      left: -15%;
      width: 130%;
      height: 70px;
      display: flex;
      overflow: hidden;
      transform: rotate(-9deg) skewX(-14deg);
      pointer-events: none;
      user-select: none;
      z-index: 3;
      opacity: 0.9;
    }

    .guide-marquee-inner {
      display: flex;
      white-space: nowrap;
      animation: p3rMarqueeScroll 52s linear infinite;
      will-change: transform;
    }

    .guide-marquee-content {
      display: flex;
      align-items: center;
      gap: 28px;
      padding-right: 28px;
      font-family: Inter, sans-serif;
      font-size: clamp(32px, 3.8vw, 54px);
      font-weight: 900;
      font-style: italic;
      letter-spacing: 0.08em;
      color: transparent;
      -webkit-text-stroke: 1.5px rgba(84, 232, 255, 0.7);
      text-shadow: 0 0 20px rgba(0, 180, 255, 0.4);
    }

    .guide-marquee-content span.solid {
      color: #00e1ff;
      -webkit-text-stroke: 0;
      text-shadow: 0 0 25px rgba(0, 225, 255, 0.85);
    }

    .guide-marquee-content span.dot {
      color: rgba(255, 255, 255, 0.35);
      -webkit-text-stroke: 0;
    }

    @keyframes p3rMarqueeScroll {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    /* 2. P3R Diagonal Slash Split Wrapper & Scene */
    .guide-slash-fx-wrap {
      position: absolute;
      inset: 0;
      overflow: hidden;
      pointer-events: none;
      z-index: 8;
    }

    .p3r-portal-scene {
      position: relative;
      width: 100%;
      min-height: calc(100vh - 66px);
      height: auto;
      overflow: hidden;
      clip-path: polygon(0 58%, 100% 42%, 100% 42%, 0 58%);
      opacity: 0;
      pointer-events: none;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 30px 4vw 35px;
      box-sizing: border-box;
      z-index: 5;
    }

    .guide-layout.is-revealed .p3r-portal-scene {
      opacity: 1;
      pointer-events: auto;
      animation: p3rDiagonalSplitOpen 0.85s cubic-bezier(0.12, 0.95, 0.22, 1) 0.1s forwards;
    }

    @keyframes p3rDiagonalSplitOpen {
      0% {
        clip-path: polygon(0 58%, 100% 42%, 100% 42%, 0 58%);
      }
      35% {
        clip-path: polygon(0 38%, 100% 22%, 100% 62%, 0 78%);
      }
      72% {
        clip-path: polygon(0 14%, 100% -2%, 100% 86%, 0 102%);
      }
      100% {
        clip-path: polygon(0 0%, 100% 0%, 100% 100%, 0 100%);
      }
    }

    /* P3R Revealed Atmosphere Underlay (วิกเน็ตต์มืดลึกเบาบาง เกลี่ยขอบโปร่งใสผสานกับ water grid ของเว็บ) */
    .guide-p3r-noir {
      position: absolute;
      inset: 0;
      pointer-events: none;
      z-index: 1;
      background: radial-gradient(
        ellipse 70% 60% at 50% 50%,
        rgba(0, 32, 90, 0.5) 0%,
        rgba(1, 8, 24, 0.35) 50%,
        transparent 80%
      );
    }

    /* Diagonal Slash Streak (-8.5 deg dynamic sword cut across center) */
    .guide-slash-streak {
      position: absolute;
      top: 50%;
      left: -25%;
      width: 150%;
      height: 6px;
      background: linear-gradient(90deg, transparent, #0088ff 15%, #ffffff 50%, #00e1ff 75%, transparent);
      box-shadow: 0 0 25px rgba(0, 225, 255, 0.85), 0 0 50px rgba(0, 136, 255, 0.45);
      transform: translateY(-50%) rotate(-8.5deg);
      pointer-events: none;
      z-index: 9;
      opacity: 0;
    }

    .guide-layout.is-revealed .guide-slash-streak {
      animation: p3rDiagonalSlashSweep 0.75s cubic-bezier(0.1, 0.85, 0.2, 1) forwards;
    }

    @keyframes p3rDiagonalSlashSweep {
      0% {
        opacity: 1;
        transform: translateY(-50%) rotate(-8.5deg) translateX(-85%) scaleY(2);
      }
      40% {
        opacity: 1;
        transform: translateY(-50%) rotate(-8.5deg) translateX(0%) scaleY(1.2);
      }
      80% {
        opacity: 0.7;
        transform: translateY(-50%) rotate(-8.5deg) translateX(70%) scaleY(0.6);
      }
      100% {
        opacity: 0;
        transform: translateY(-50%) rotate(-8.5deg) translateX(115%) scaleY(0.2);
      }
    }

    /* Diamond-style Diagonal Laser Flash along the parting cut */
    .p3r-horizontal-blade {
      position: absolute;
      top: 50%;
      left: -25%;
      width: 150%;
      height: 3px;
      transform: translateY(-50%) rotate(-8.5deg);
      background: #ffffff;
      box-shadow: 0 0 20px #ffffff, 0 0 45px #00e1ff, 0 0 70px #0088ff;
      opacity: 0;
      pointer-events: none;
      z-index: 8;
    }

    .guide-layout.is-revealed .p3r-horizontal-blade {
      animation: p3rDiagonalBladeFlash 0.7s cubic-bezier(0.12, 0.95, 0.25, 1) 0.08s forwards;
    }

    @keyframes p3rDiagonalBladeFlash {
      0% {
        opacity: 1;
        transform: translateY(-50%) rotate(-8.5deg) scaleY(1.8);
        background: #ffffff;
        box-shadow: 0 0 25px #ffffff, 0 0 50px #00e1ff;
      }
      28% {
        opacity: 0.9;
        transform: translateY(-50%) rotate(-8.5deg) scaleY(2.2);
        background: #00e1ff;
        box-shadow: 0 0 25px #00e1ff, 0 0 50px #0088ff;
      }
      60% {
        opacity: 0.45;
        transform: translateY(-50%) rotate(-8.5deg) scaleY(1);
        background: #0088ff;
        box-shadow: 0 0 15px #0088ff;
      }
      100% {
        opacity: 0;
        transform: translateY(-50%) rotate(-8.5deg) scaleY(0.2);
      }
    }

    /* Two separating laser lips on top & bottom edge of opening diagonal aperture */
    .p3r-lip-top, .p3r-lip-bottom {
      position: absolute;
      top: 50%;
      left: -25%;
      width: 150%;
      height: 2.5px;
      background: #00e1ff;
      box-shadow: 0 0 15px #00e1ff, 0 0 35px #0077ff;
      opacity: 0;
      z-index: 8;
      pointer-events: none;
      transform-origin: center center;
    }

    .guide-layout.is-revealed .p3r-lip-top {
      animation: diagLipMoveTop 0.85s cubic-bezier(0.12, 0.95, 0.22, 1) 0.1s forwards;
    }
    .guide-layout.is-revealed .p3r-lip-bottom {
      animation: diagLipMoveBottom 0.85s cubic-bezier(0.12, 0.95, 0.22, 1) 0.1s forwards;
    }

    @keyframes diagLipMoveTop {
      0% {
        transform: translateY(-50%) rotate(-8.5deg);
        opacity: 1;
      }
      35% {
        transform: translateY(calc(-50% - 210px)) rotate(-8.5deg);
        opacity: 0.9;
      }
      72% {
        transform: translateY(calc(-50% - 480px)) rotate(-8.5deg);
        opacity: 0.45;
      }
      100% {
        transform: translateY(calc(-50% - 700px)) rotate(-8.5deg);
        opacity: 0;
      }
    }

    @keyframes diagLipMoveBottom {
      0% {
        transform: translateY(-50%) rotate(-8.5deg);
        opacity: 1;
      }
      35% {
        transform: translateY(calc(-50% + 210px)) rotate(-8.5deg);
        opacity: 0.9;
      }
      72% {
        transform: translateY(calc(-50% + 480px)) rotate(-8.5deg);
        opacity: 0.45;
      }
      100% {
        transform: translateY(calc(-50% + 700px)) rotate(-8.5deg);
        opacity: 0;
      }
    }

    /* 3. Stage Container & Tutorial Box Pop-in */
    .guide-stage {
      position: relative;
      width: min(1040px, 95vw);
      margin: auto;
      z-index: 5;
    }

    .p3r-tutorial-box {
      position: relative;
      width: 100%;
      min-height: auto;
      margin: 10px auto 6px;
      opacity: 0;
      transform: scale(0.85) translateY(65px) skewX(-4deg);
      transition: opacity 0.4s ease;
    }

    .guide-layout.is-revealed .p3r-tutorial-box {
      opacity: 1;
      animation: p3rBoxPop 0.75s cubic-bezier(0.16, 1.12, 0.28, 1) 0.12s both;
    }

    @keyframes p3rBoxPop {
      0% {
        opacity: 0;
        transform: scale(0.82) translateY(75px) skewX(-5deg);
        filter: blur(6px);
      }
      60% {
        opacity: 1;
        transform: scale(1.025) translateY(-6px) skewX(1deg);
        filter: blur(0);
      }
      82% {
        transform: scale(0.99) translateY(2px) skewX(-0.5deg);
      }
      100% {
        opacity: 1;
        transform: scale(1) translateY(0) skewX(0deg);
        filter: blur(0);
      }
    }

    /* Left Cobalt Wing with TUTORIAL repeating text */
    .p3r-box-wing {
      position: absolute;
      left: -38px;
      top: -24px;
      height: 64%;
      width: 190px;
      background: #003cd6;
      clip-path: polygon(0 0, 100% 0, 84% 100%, 0 100%);
      z-index: 1;
      overflow: hidden;
      box-shadow: -10px 10px 30px rgba(0, 0, 0, 0.6);
      opacity: 0;
      transform: translateX(-50px);
    }

    .guide-layout.is-revealed .p3r-box-wing {
      animation: p3rWingSlide 0.65s cubic-bezier(0.16, 1.05, 0.3, 1) 0.18s both;
    }

    @keyframes p3rWingSlide {
      0% {
        opacity: 0;
        transform: translateX(-70px) skewX(-14deg);
      }
      100% {
        opacity: 1;
        transform: translateX(0) skewX(0);
      }
    }

    .p3r-wing-pattern {
      position: absolute;
      inset: -20px 0 0 -20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      transform: rotate(-14deg) skewX(-12deg);
      opacity: 0.28;
      user-select: none;
      pointer-events: none;
    }

    .p3r-wing-pattern span {
      font-family: Inter, sans-serif;
      font-weight: 900;
      font-size: 38px;
      color: #001038;
      letter-spacing: 0.05em;
      line-height: 0.9;
    }

    /* Huge P3R Stylized Outline '?' mark popping out of the box */
    .p3r-wing-qmark {
      position: absolute;
      top: -65px;
      left: 12px;
      font-family: Inter, sans-serif;
      font-weight: 900;
      font-size: 195px;
      line-height: 0.8;
      color: transparent;
      -webkit-text-stroke: 3.5px rgba(255, 255, 255, 0.95);
      text-shadow: 0 0 25px rgba(84, 232, 255, 0.85);
      transform: rotate(-7deg) skewX(-6deg);
      user-select: none;
      pointer-events: none;
      z-index: 3;
      opacity: 0;
    }

    .guide-layout.is-revealed .p3r-wing-qmark {
      animation: p3rQMarkDrop 0.8s cubic-bezier(0.18, 1.25, 0.3, 1) 0.28s both;
    }

    @keyframes p3rQMarkDrop {
      0% {
        opacity: 0;
        transform: translateY(-90px) scale(1.6) rotate(-22deg);
        filter: blur(4px);
      }
      60% {
        opacity: 1;
        transform: translateY(8px) scale(0.94) rotate(-3deg);
        filter: blur(0);
      }
      80% {
        transform: translateY(-4px) scale(1.04) rotate(-8deg);
      }
      100% {
        opacity: 1;
        transform: translateY(0) scale(1) rotate(-7deg) skewX(-6deg);
      }
    }

    /* Main Box Body (Dark Navy Angle Cut) */
    .p3r-box-main {
      position: relative;
      z-index: 2;
      margin-left: 65px;
      background: rgba(0, 12, 42, 0.92);
      border: 2px solid #005ce6;
      box-shadow: 0 25px 65px rgba(0, 0, 0, 0.85), 0 0 35px rgba(0, 92, 230, 0.35);
      backdrop-filter: blur(12px);
      clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
      padding: 18px 30px 14px;
      display: flex;
      flex-direction: column;
      box-sizing: border-box;
    }

    /* White Header Badge */
    .p3r-box-header {
      background: #ffffff;
      color: #001242;
      padding: 6px 36px;
      align-self: center;
      margin-bottom: 14px;
      clip-path: polygon(0 0, 100% 0, 96% 100%, 4% 100%);
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
      opacity: 0;
      transform: translateY(-16px);
    }

    .guide-layout.is-revealed .p3r-box-header {
      animation: p3rHeaderSlide 0.55s cubic-bezier(0.16, 1, 0.3, 1) 0.32s both;
    }

    @keyframes p3rHeaderSlide {
      0% {
        opacity: 0;
        transform: translateY(-22px) scaleY(0.7);
      }
      100% {
        opacity: 1;
        transform: translateY(0) scaleY(1);
      }
    }

    .p3r-box-header h3 {
      margin: 0;
      font-family: Inter, "Chakra Petch", sans-serif;
      font-weight: 900;
      font-size: 19px;
      letter-spacing: -0.01em;
      color: #001242;
      text-align: center;
    }

    /* Two-column Body: Left Image (Larger) + Right Text */
    .p3r-box-body {
      display: grid;
      grid-template-columns: 1.15fr 1fr;
      gap: 28px;
      align-items: center;
      margin-bottom: 12px;
    }

    @media (max-width: 860px) {
      .p3r-box-body {
        grid-template-columns: 1fr;
        gap: 18px;
      }
      .p3r-box-main {
        margin-left: 0;
        padding: 20px 20px 16px;
      }
      .p3r-box-wing {
        display: none;
      }
    }

    .p3r-box-media {
      position: relative;
      border-radius: 2px;
      overflow: hidden;
      border: 1px solid rgba(84, 232, 255, 0.4);
      background: #010a1c;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
      aspect-ratio: 16 / 10;
      max-height: 270px;
      opacity: 0;
      transform: translateX(-24px);
    }

    .guide-layout.is-revealed .p3r-box-media {
      animation: p3rMediaSlide 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.36s both;
    }

    @keyframes p3rMediaSlide {
      0% {
        opacity: 0;
        transform: translateX(-30px) scale(0.96);
      }
      100% {
        opacity: 1;
        transform: translateX(0) scale(1);
      }
    }

    .p3r-tutorial-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
      display: block;
      transition: transform 0.35s ease, filter 0.35s ease, opacity 0.2s ease;
    }

    .p3r-box-media:hover .p3r-tutorial-img {
      transform: scale(1.03);
    }

    .p3r-media-tag {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(1, 10, 28, 0.85);
      border: 1px solid var(--cyan);
      color: var(--cyan);
      font-family: Inter, sans-serif;
      font-size: 8.5px;
      font-weight: 900;
      letter-spacing: 0.12em;
      padding: 3px 8px;
      border-radius: 2px;
      backdrop-filter: blur(6px);
      pointer-events: none;
    }

    /* Bullet List & Text */
    .p3r-box-text {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .p3r-bullet-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .p3r-bullet-list li {
      position: relative;
      padding-left: 20px;
      font-family: "Chakra Petch", sans-serif;
      font-size: 15px;
      line-height: 1.6;
      color: #e2f0fa;
      opacity: 0;
      transform: translateX(25px);
    }

    .guide-layout.is-revealed .p3r-bullet-list li {
      animation: p3rBulletIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
    .guide-layout.is-revealed .p3r-bullet-list li:nth-child(1) { animation-delay: 0.42s; }
    .guide-layout.is-revealed .p3r-bullet-list li:nth-child(2) { animation-delay: 0.56s; }
    .guide-layout.is-revealed .p3r-bullet-list li:nth-child(3) { animation-delay: 0.7s; }

    .p3r-plain-text {
      font-family: "Chakra Petch", sans-serif;
      font-size: 15px;
      line-height: 1.75;
      color: #e2f0fa;
      opacity: 0;
      transform: translateX(25px);
      white-space: pre-wrap;
    }

    .guide-layout.is-revealed .p3r-plain-text {
      animation: p3rBulletIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.42s forwards;
    }

    .p3r-plain-text p {
      margin: 0 0 12px 0;
    }

    .p3r-plain-text p:last-child {
      margin-bottom: 0;
    }

    @keyframes p3rBulletIn {
      0% {
        opacity: 0;
        transform: translateX(28px);
      }
      100% {
        opacity: 1;
        transform: translateX(0);
      }
    }

    .p3r-bullet-list li::before {
      content: "•";
      position: absolute;
      left: 0;
      top: -1px;
      color: var(--cyan);
      font-size: 20px;
      line-height: 1;
    }

    .highlight-red {
      color: #ff4757;
      font-weight: 700;
      text-shadow: 0 0 10px rgba(255, 71, 87, 0.4);
    }

    .highlight-cyan {
      color: #00e5ff;
      font-weight: 700;
      text-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
    }

    .highlight-yellow {
      color: #ffd32a;
      font-weight: 700;
      text-shadow: 0 0 10px rgba(255, 211, 42, 0.4);
    }

    /* Pagination Dots (No Next Button) */
    .p3r-box-pagination {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      padding-top: 10px;
      margin-top: 4px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .p3r-page-arrow {
      background: transparent;
      border: 0;
      color: rgba(84, 232, 255, 0.7);
      font-size: 24px;
      cursor: pointer;
      line-height: 1;
      padding: 2px 8px;
      transition: color 0.18s ease, transform 0.18s ease;
    }

    .p3r-page-arrow:hover {
      color: #ffffff;
      transform: scale(1.2);
    }

    .p3r-dots-list {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .p3r-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.3);
      border: 1px solid rgba(255, 255, 255, 0.5);
      cursor: pointer;
      padding: 0;
      transition: all 0.2s ease;
    }

    .p3r-dot:hover {
      background: rgba(84, 232, 255, 0.7);
      transform: scale(1.15);
    }

    .p3r-dot.active {
      width: 14px;
      height: 14px;
      background: var(--cyan);
      border: 2px solid #ffffff;
      box-shadow: 0 0 12px var(--cyan);
      position: relative;
    }

    .p3r-dot.active::after {
      content: "";
      position: absolute;
      inset: 2px;
      border-radius: 50%;
      background: #00122e;
    }

    /* 4. Bottom-Right Return to Game List Button (สไตล์ P3R) */
    .guide-back-btn {
      position: relative;
      bottom: auto;
      right: auto;
      margin: 18px 40px 0 auto;
      align-self: flex-end;
      background: transparent;
      border: 0;
      cursor: pointer;
      z-index: 25;
      padding: 0;
      outline: none;
      opacity: 1;
      pointer-events: auto;
      transform: none;
      display: inline-flex;
      transition: transform 0.2s ease;
    }

    .guide-layout.is-revealed .guide-back-btn {
      opacity: 1;
      pointer-events: auto;
      transform: none;
    }

    .guide-back-badge {
      display: flex;
      align-items: center;
      gap: 12px;
      background: rgba(1, 14, 38, 0.88);
      border: 1.5px solid rgba(84, 232, 255, 0.7);
      padding: 10px 22px 10px 16px;
      transform: skewX(-12deg);
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.7), 0 0 20px rgba(0, 168, 255, 0.25);
      backdrop-filter: blur(10px);
      transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .guide-back-arrow {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      background: #0044cc;
      color: #ffffff;
      font-size: 14px;
      font-weight: 900;
      clip-path: polygon(15% 0, 100% 0, 85% 100%, 0 100%);
      box-shadow: 0 0 14px rgba(0, 100, 255, 0.6);
      transition: all 0.2s ease;
    }

    .guide-back-text {
      display: flex;
      flex-direction: column;
      text-align: left;
      transform: skewX(12deg);
    }

    .guide-back-sub {
      font-family: Inter, sans-serif;
      font-size: 9px;
      font-weight: 800;
      letter-spacing: 0.15em;
      color: var(--cyan);
      line-height: 1.2;
    }

    .guide-back-main {
      font-family: "Chakra Petch", sans-serif;
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0.04em;
      color: #ffffff;
      line-height: 1.2;
      transition: color 0.2s ease;
    }

    .guide-back-btn:hover {
      transform: translateY(-4px) scale(1.04);
    }

    .guide-back-btn:hover .guide-back-badge {
      background: #00e1ff;
      border-color: #ffffff;
      box-shadow: 0 14px 35px rgba(0, 0, 0, 0.8), 0 0 35px rgba(0, 225, 255, 0.75);
    }

    .guide-back-btn:hover .guide-back-arrow {
      background: #001238;
      color: #00e1ff;
      transform: translateY(-2px);
    }

    .guide-back-btn:hover .guide-back-sub {
      color: #002266;
    }

    .guide-back-btn:hover .guide-back-main {
      color: #001238;
    }

    @keyframes p3rMobilePortalIn {
      0% {
        opacity: 0;
      }
      100% {
        opacity: 1;
      }
    }

    @media (max-width: 860px) {
      .guide-layout {
        min-height: calc(100vh - 66px);
        height: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 35px 14px 24px;
        overflow: visible;
        background: transparent;
      }

      .p3r-portal-scene {
        position: relative;
        inset: auto;
        width: 100%;
        height: auto;
        min-height: calc(100vh - 66px);
        padding: 0;
        overflow: visible;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
      }

      .guide-stage {
        width: 100%;
        max-width: 100%;
        margin: 0;
      }

      .p3r-tutorial-box {
        margin: 10px auto 0;
        min-height: auto;
      }

      .p3r-wing-qmark {
        font-size: 110px;
        top: -45px;
        left: -4px;
        opacity: 0.45;
      }

      .guide-back-btn {
        position: relative;
        bottom: auto;
        right: auto;
        margin: 16px auto 0;
        align-self: center;
        display: inline-flex;
        z-index: 25;
      }
    }

    @media (max-width: 600px) {
      .p3r-box-header {
        padding: 6px 14px;
        width: 100%;
        box-sizing: border-box;
      }

      .p3r-box-header h3 {
        font-size: 14px;
        line-height: 1.35;
      }

      .p3r-box-main {
        padding: 18px 14px 14px;
      }
    }
