/* 胶片颗粒噪点动画 */
@keyframes film-grain {
    0%, 100% { transform: translate(0, 0) }
    10% { transform: translate(-1%, -1%) }
    20% { transform: translate(1%, 1%) }
    30% { transform: translate(-2%, -2%) }
    40% { transform: translate(2%, 2%) }
    50% { transform: translate(-1%, 2%) }
    60% { transform: translate(1%, -1%) }
    70% { transform: translate(2%, -2%) }
    80% { transform: translate(-2%, 1%) }
    90% { transform: translate(2%, 1%) }
}

#film-grain {
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 150px 150px;
    animation: film-grain 1.5s steps(10) infinite;
}

/* 隐藏滚动条 */
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

/* 放映机光影闪烁效果 */
@keyframes flicker {
    0% { opacity: 1; }
    3% { opacity: 0.8; }
    6% { opacity: 1; }
    7% { opacity: 0.9; }
    8% { opacity: 1; }
    9% { opacity: 0.85; }
    10% { opacity: 1; }
    89% { opacity: 1; }
    90% { opacity: 0.9; }
    100% { opacity: 1; }
}

.hover-flicker:hover {
    animation: flicker 2s infinite;
    text-shadow: 0 0 8px rgba(245, 245, 240, 0.4);
}

/* 电影进场特效 */
.cinematic-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1.2s ease-out, transform 1.2s ease-out;
}
.cinematic-fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 胶卷边缘齿孔样式 (放大版) */
.film-sprockets {
    background-color: #1A1A1A; /* 胶卷底色 */
    position: relative;
}

.film-sprockets .preview-img,
.film-sprockets .real-video {
    position: absolute;
    left: 8px;
    right: 8px;
    top: 24px;
    bottom: 24px;
    width: calc(100% - 16px);
    height: calc(100% - 48px);
    object-fit: contain !important;
    object-position: center;
    background-color: #000;
}

.film-sprockets::before,
.film-sprockets::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 24px;
    /* 放大齿孔，减少数量 (间距变大) */
    background-image: radial-gradient(circle, rgba(245,245,240,0.8) 12px, transparent 13px);
    background-size: 64px 24px;
    background-position: center;
    z-index: 10;
    pointer-events: none;
}
.film-sprockets::before {
    top: 0;
    border-bottom: 2px solid rgba(255,255,255,0.1);
    background-color: #1A1A1A;
}
.film-sprockets::after {
    bottom: 0;
    border-top: 2px solid rgba(255,255,255,0.1);
    background-color: #1A1A1A;
}

/* 垂直胶卷边缘齿孔样式 (照片墙使用) */
.film-sprockets-vertical {
    padding: 0 24px; /* 左右齿孔留出空间 */
    background-color: #1A1A1A;
    position: relative;
}
.film-sprockets-vertical::before,
.film-sprockets-vertical::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 24px;
    background-image: radial-gradient(circle, rgba(245,245,240,0.8) 8px, transparent 9px);
    background-size: 24px 48px;
    background-position: center;
    z-index: 10;
}
.film-sprockets-vertical::before {
    left: 0;
    border-right: 1px solid rgba(255,255,255,0.1);
}
.film-sprockets-vertical::after {
    right: 0;
    border-left: 1px solid rgba(255,255,255,0.1);
}

/* 胶片滑动时的规则光影动效 */
@keyframes film-light-leak {
    0% { background-position: -200% 0; opacity: 0; }
    50% { opacity: 0.15; }
    100% { background-position: 200% 0; opacity: 0; }
}

.film-strip-horizontal {
    scroll-behavior: smooth;
    padding-bottom: 2rem;
    position: relative;
}

/* 添加一个光影伪层，在滚动时触发动画 */
.film-strip-horizontal::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(90deg, transparent, rgba(255, 230, 200, 0.4), transparent);
    background-size: 50% 100%;
    background-repeat: no-repeat;
    z-index: 20;
    opacity: 0;
}
.film-strip-horizontal.is-scrolling::after {
    animation: film-light-leak 1s linear infinite;
}

/* 胶卷拉开动画 */
.film-roll-container {
    position: relative;
    overflow: visible;
}

.kodak-canister {
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 120%;
    background: linear-gradient(90deg, #d39c3b 0%, #ffd966 20%, #e6a817 50%, #b37700 80%, #d39c3b 100%);
    border-radius: 8px 0 0 8px;
    z-index: 30;
    box-shadow: 10px 0 20px rgba(0,0,0,0.5), inset -5px 0 10px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    color: #1a1a1a;
    font-weight: 900;
    font-family: Arial, sans-serif;
    letter-spacing: 2px;
    border: 2px solid #333;
    border-right: none;
}
.kodak-canister::before {
    content: 'PORTRA 400';
    background: #c00;
    color: white;
    padding: 10px 4px;
    border-radius: 2px;
    font-size: 14px;
}

.film-strip-wrapper {
    width: 0;
    overflow: hidden;
    transition: width 2.5s cubic-bezier(0.25, 1, 0.5, 1);
}
.film-roll-container.is-opened .film-strip-wrapper {
    width: 100%;
}
.film-strip-horizontal {
    scroll-behavior: smooth;
    padding-bottom: 2rem;
    position: relative;
}

/* 横向胶卷帧 */
.film-frame-h {
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.film-frame-h:hover {
    transform: translateY(-4px);
}

/* 照片墙轻微浮动动效 */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
    100% { transform: translateY(0px); }
}

/* 翻书效果样式 */
.perspective-1000 {
    perspective: 1000px;
}

.book-wrapper {
    overflow: hidden;
    align-items: flex-start;
}

.page {
    background-color: #f4f1ea;
    position: relative;
    overflow: hidden;
    backface-visibility: hidden;
    transform-style: preserve-3d;
    isolation: isolate;
}

.page.hard {
    background-color: #f4f1ea;
}

.page:not(.hard):before {
    content: '';
    position: absolute;
    left: 0;
    top: 5%;
    bottom: 5%;
    width: 3px;
    background: repeating-linear-gradient(
        to bottom,
        transparent,
        transparent 8px,
        rgba(139, 69, 19, 0.15) 8px,
        rgba(139, 69, 19, 0.15) 10px,
        transparent 10px,
        transparent 18px,
        rgba(139, 69, 19, 0.2) 18px,
        rgba(139, 69, 19, 0.2) 20px
    );
    box-shadow: 
        1px 0 2px rgba(139, 69, 19, 0.1),
        -1px 0 2px rgba(139, 69, 19, 0.1);
}

.cover-front {
    border-radius: 0 4px 4px 0;
}
.cover-back {
    border-radius: 4px 0 0 4px;
}
.page img {
    pointer-events: none;
}

/* 简历数字卡片 */
.stat-card {
    border-left: 1px solid rgba(245,245,240,0.2);
    padding-left: 1rem;
    transition: all 0.3s ease;
}
.stat-card:hover {
    border-color: rgba(245,245,240,0.8);
    transform: translateX(4px);
}

/* 艺术摄影书不对称布局 */
.page-asymmetric {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    will-change: transform;
}

.page-asymmetric img {
    position: absolute;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    box-shadow: none;
    transform-origin: center;
    background-color: transparent;
    backface-visibility: hidden;
    image-rendering: auto;
    transition: opacity 0.25s ease;
    box-sizing: border-box;
}

#flipbook {
    width: 100%;
    max-width: 840px;
    overflow: hidden !important;
}

#flipbook .page,
#flipbook .page * {
    backface-visibility: hidden;
}

#flipbook .stf__parent,
#flipbook .stf__wrapper,
#flipbook .stf__block,
#flipbook .stf__item {
    overflow: hidden !important;
}

#flipbook .stf__block {
    transform: translateZ(0);
}

@media (max-width: 768px) {
    .book-wrapper {
        width: 100%;
        padding: 0 0.75rem;
        justify-content: center;
    }

    #flipbook {
        width: min(92vw, 360px);
        max-width: min(92vw, 360px);
        margin: 0 auto;
    }

    #flipbook .stf__parent,
    #flipbook .stf__wrapper {
        margin: 0 auto;
    }
}

/* 视频模态框 */
.video-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    backdrop-filter: blur(20px);
    background: rgba(26, 26, 26, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.video-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.video-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    animation: modalZoomIn 0.4s ease;
}

@keyframes modalZoomIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.video-modal video {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.video-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: rgba(245, 245, 240, 0.1);
    border: 1px solid rgba(245, 245, 240, 0.3);
    color: rgba(245, 245, 240, 0.9);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 20px;
    line-height: 1;
}

.video-modal-close:hover {
    background: rgba(245, 245, 240, 0.2);
    border-color: rgba(245, 245, 240, 0.5);
    transform: rotate(90deg);
}