.sec88 {
    width: 100%;
}

.sec88_frame {
    margin: 0;
    padding: 0;
    background: #030308;
    height: 150vh;
}

.sec88_wrap {
    position: sticky;
    top: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

/* 컨테이너 div 설정 (100vw -> 100%로 수정하여 모바일 스크롤바 렉 방지) */
#sec88_lucky {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: #030308;
}

#sec88_lucky canvas {
    display: block;
    width: 100%;
    height: 100%;
}

#luckyTitle {
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%) translateY(16px);
    z-index: 10;
    text-align: center;
    pointer-events: none;
    width: 90%;
    max-width: 600px;
    font-family: "Pretendard Variable", Pretendard, sans-serif;
    opacity: 0;
    transition: opacity 1s ease, transform 1s ease;
}
#luckyTitle.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.lucky-heading {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: #ffffff;
    text-shadow: 0 0 24px rgba(90, 120, 255, 0.55);
}
.lucky-heading .accent {
    color: #44f4f4;
}
.lucky-sub {
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    word-break: keep-all;
}

#swipeHint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    pointer-events: none;
    text-align: center;
    font-family: "Pretendard Variable", Pretendard, sans-serif;
    color: rgba(255, 255, 255, 0.65);
    transition: opacity 0.4s;
}
#swipeHint.hidden {
    opacity: 0;
}

.swipe-track {
    position: relative;
    width: 140px;
    height: 26px;
    margin: 0 auto 6px;
}
.swipe-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 0 12px 4px rgba(160, 190, 255, 0.55);
    animation: swipeSlide 2.2s ease-in-out infinite;
    will-change: transform; /* 모바일 하드웨어 가속 최적화 */
}
@keyframes swipeSlide {
    0%   { transform: translate(-50%,-50%) translateX(-46px); }
    50%  { transform: translate(-50%,-50%) translateX(46px); }
    100% { transform: translate(-50%,-50%) translateX(-46px); }
}
.chev {
    position: absolute;
    top: 50%;
    transform: translateY(-54%);
    font-size: 20px;
    line-height: 1;
    color: rgba(255, 255, 255, 0.5);
    animation: chevPulse 2.2s ease-in-out infinite;
    will-change: opacity;
}
.chev.left { left: 0; }
.chev.right { right: 0; animation-delay: 1.1s; }
@keyframes chevPulse {
    0%, 100% { opacity: 0.9; }
    50% { opacity: 0.25; }
}
.swipe-text {
    font-size: 13px;
    letter-spacing: 0.05em;
}

@media (max-width: 1024px) {
    #luckyTitle { top: 50px; }
    .lucky-heading { font-size: 32px; }
    .lucky-sub { font-size: 14px; }
    .swipe-text { font-size: 12px; }
}

@media (max-width: 768px) {
    #luckyTitle { top: 50px; width: 92%; }
    .lucky-heading { font-size: 26px; }
    .lucky-sub { font-size: 13px; line-height: 1.5; }
    #swipeHint { bottom: 20px; }
    .swipe-track { width: 120px; }
    .swipe-text { font-size: 11px; }
}

@media (max-width: 480px) {
    #luckyTitle { top: 40px; }
    .lucky-heading { font-size: 22px; }
    .lucky-sub { font-size: 12px; }
}