/* 首页专属样式 */
/* ================= 序言 (Hero) ================= */
#preface {
    min-height: 80vh;
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: visible;
}

.hero-content {
    display: grid; grid-template-columns: 1fr 1fr; gap: 2rem;
    align-items: center; z-index: 2; position: relative; width: 100%; overflow: visible;
}

.hero-text { position: relative; min-width: 0; }

.hero-name {
    font-size: clamp(1rem, 5vw, 3rem);
    font-family: var(--font-mono);
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.hero-text h1 {
    font-size: clamp(1rem, 10vw, 8rem);
    line-height: 1.2;
    color: var(--accent-red);
    margin-bottom: 2rem;
    position: relative; z-index: 2;
}

.hero-text h1 span {
    display: block;
    white-space: nowrap;
}

.hero-decoration {
    position: absolute;
    font-family: var(--font-script);
    color: var(--blue-alpha-20);
    font-size: clamp(3rem, 12vw, 9rem);
    line-height: 1;
    z-index: -1;
    top: 70%; left: 50%;
    transform: translate(-50%, -60%);
    width: 100%; text-align: center;
    pointer-events: none; white-space: nowrap;
}

.hero-poem {
    font-size: 1.2rem;
    color: var(--text-secondary);
    border-left: 2px solid var(--accent-red);
    padding-left: 1.5rem;
    font-style: italic;
    position: relative; z-index: 2;
    min-height: 9rem;
    display: flex; flex-direction: column; justify-content: flex-start;
}

.typing-cursor::after {
    content: '_'; color: var(--accent-red);
    animation: blink 1s infinite; margin-left: 5px;
}

#OpeningImage {
    font-family: "VT323", monospace;
    font-size: 17.5px; line-height: 14px;
    font-weight: bold; color: var(--accent-red);
    white-space: pre; overflow: hidden;
    position: relative; z-index: 2;
    display: flex; justify-content: center; align-items: center;
    width: 100%; height: 100%;
    opacity: 0.8; padding: 50px;
    --ding-scale: 1.0;
}

/* ================= 回忆 (Memory) ================= */
#memory { position: relative; padding: 6rem 0 0 0; background: transparent; }

.memory-focus-container {
    position: relative; width: 100%; height: auto; overflow: hidden;
}

.mask-top {
    top: 0;
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}

.mask-bottom {
    bottom: 0; position: fixed; height: 35vh;
    -webkit-mask-image: linear-gradient(to top, black 60%, transparent 100%);
    mask-image: linear-gradient(to top, black 60%, transparent 100%);
}

.memory-stream {
    position: relative; max-width: 900px;
    margin: 0 auto; padding-bottom: 10vh; z-index: 1;
}

.memory-row {
    display: flex; gap: 3rem; padding: 4rem 2rem;
    opacity: 0.4; align-items: center; perspective: 1000px;
    transition: opacity 0.2s, transform 0.2s, filter 0.2s;
}

.memory-date {
    font-family: var(--font-mono); color: var(--accent-red);
    font-size: 1.2rem; font-weight: bold;
    min-width: 80px; text-align: right;
    text-shadow: 0 0 10px var(--accent-alpha-30);
}

.memory-card {
    flex: 1; display: flex; align-items: center;
    background: transparent; border: none;
    overflow: visible; box-shadow: none;
}

.memory-card img {
    width: 220px; height: 160px; object-fit: cover;
    border-radius: 8px; filter: grayscale(30%);
    border: 4px solid var(--text-bright);
    box-shadow: 10px 10px 30px var(--surface-black-50);
    transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative; z-index: 1;
}

.memory-text {
    padding: 0 0 0 2rem;
    display: flex; flex-direction: column; justify-content: center;
    transition: transform 0.2s;
    position: relative; z-index: 2;
}

.memory-text h3 {
    margin: 0 0 0.8rem 0; font-size: 1.5rem;
    text-shadow: 0 2px 10px var(--surface-black-50);
}
.memory-text p {
    margin: 0; font-size: 1rem; color: var(--text-primary);
    line-height: 1.8; text-shadow: 0 1px 5px var(--surface-black-80);
}

/* ================= 创作 (Creation) ================= */
#creation.creation-section {
    padding: 6rem 0 7rem;
}

.creation-heading {
    display: flex; align-items: flex-end; justify-content: space-between;
    gap: 2rem; margin-bottom: 1.5rem;
}
.creation-kicker,
.creation-item-meta,
.creation-panel-index {
    color: var(--accent-red); font-family: var(--font-mono);
    font-size: 0.75rem; line-height: 1.4;
}
.creation-kicker { margin: 0 0 0.75rem; }
.creation-heading .section-title { margin-bottom: 0; font-size: 3.5rem; letter-spacing: 0; }
.creation-refresh {
    display: inline-flex; align-items: center; gap: 0.5rem;
    min-height: 2.5rem; padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-color); border-radius: 2px;
    background: var(--card-bg); color: var(--text-primary);
    font: 0.8rem var(--font-mono); white-space: nowrap; cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.creation-refresh:hover,
.creation-refresh:focus-visible {
    color: var(--accent-red); border-color: var(--accent-red); outline: none;
}
.creation-refresh i { transition: transform 0.45s ease; }
.creation-refresh.is-spinning i { transform: rotate(180deg); }

.creation-stats {
    display: flex; gap: 1.5rem; align-items: center;
    padding: 0.8rem 0; border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary); font: 0.75rem var(--font-mono);
}
.creation-stats .creation-refresh { margin-left: auto; flex-shrink: 0; }
.creation-stats span { display: inline-flex; align-items: baseline; gap: 0.45rem; }
.creation-stats b { color: var(--text-primary); font-size: 1rem; font-weight: 400; }
.creation-stats span:nth-of-type(3) b { color: var(--accent-red); }

.creation-board {
    display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    column-gap: clamp(2rem, 5vw, 5rem); row-gap: 3.5rem; padding-top: 2.75rem;
}
.creation-panel { min-width: 0; }
.creation-panel--videos { grid-column: 1 / -1; }
.creation-panel-header {
    display: flex; justify-content: space-between; align-items: center; gap: 1rem;
    min-height: 3rem; padding-bottom: 0.8rem; margin-bottom: 0.9rem;
    border-bottom: 1px solid var(--border-subtle);
}
.creation-panel-header > div { display: flex; align-items: center; gap: 0.8rem; }
.creation-panel-index { min-width: 1.75rem; opacity: 0.85; }
.creation-panel-header h3 {
    margin: 0; color: var(--text-bright); font-family: var(--font-serif);
    font-size: 1.3rem; font-weight: 400; line-height: 1.3;
}
.creation-panel-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    color: var(--text-secondary); font: 0.75rem var(--font-mono);
    text-decoration: none; white-space: nowrap; transition: color 0.2s ease;
}
.creation-panel-link:hover { color: var(--accent-red); }

.creation-article-list { display: flex; flex-direction: column; }
.creation-article {
    display: grid; grid-template-columns: 4.5rem minmax(0, 1fr) 1rem;
    align-items: center; gap: 0.9rem; min-height: 6.2rem; padding: 0.7rem 0;
    border-bottom: 1px solid var(--border-subtle); color: inherit; text-decoration: none;
    animation: creationEnter 0.42s both;
    animation-delay: calc(var(--creation-order, 0) * 55ms);
}
.creation-article-image {
    display: block; width: 4.5rem; height: 4.5rem; object-fit: cover;
    background: var(--surface-blue-40); filter: saturate(0.75);
    transition: filter 0.25s ease, transform 0.25s ease;
}
.creation-article:hover .creation-article-image { filter: saturate(1); transform: scale(1.03); }
.creation-article-body { display: flex; flex-direction: column; min-width: 0; gap: 0.22rem; }
.creation-article .creation-item-meta { color: var(--text-secondary); font-size: 0.65rem; }
.creation-article-title {
    overflow: hidden; color: var(--text-primary); font-family: var(--font-serif);
    font-size: 0.98rem; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap;
    transition: color 0.2s ease;
}
.creation-article:hover .creation-article-title { color: var(--accent-red); }
.creation-article-excerpt {
    overflow: hidden; color: var(--text-secondary); font-size: 0.74rem;
    line-height: 1.45; text-overflow: ellipsis; white-space: nowrap;
}
.creation-item-arrow { color: var(--text-secondary); transition: color 0.2s ease, transform 0.2s ease; }
.creation-article:hover .creation-item-arrow { color: var(--accent-red); transform: translateX(3px); }

.creation-visual-grid {
    display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    grid-template-rows: repeat(2, minmax(0, 1fr)); gap: 0.65rem;
    block-size: clamp(17rem, 24vw, 21rem); min-block-size: 0;
}
.creation-visual {
    position: relative; display: block; min-width: 0; min-height: 0; overflow: hidden;
    background: var(--surface-blue-40); color: var(--text-bright); text-decoration: none;
    animation: creationEnter 0.48s both;
    animation-delay: calc(var(--creation-order, 0) * 65ms);
}
.creation-visual--1 { grid-row: 1 / span 2; }
.creation-visual-image {
    display: block; width: 100%; height: 100%; min-height: 0; object-fit: contain;
    transition: transform 0.55s cubic-bezier(0.2, 0.65, 0.3, 1), filter 0.3s ease;
}
.creation-visual:hover .creation-visual-image { transform: scale(1.045); filter: saturate(1.08); }
.creation-visual-caption {
    position: absolute; inset: auto 0 0; display: flex; flex-direction: column; gap: 0.25rem;
    padding: 0.65rem 0.75rem 0.7rem; color: #fff;
    background: transparent; text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
}
.creation-visual-caption > span { font: 0.62rem var(--font-mono); opacity: 0.85; }
.creation-visual-caption strong {
    overflow: hidden; font-family: var(--font-serif); font-size: 0.82rem;
    font-weight: 400; line-height: 1.35; text-overflow: ellipsis; white-space: nowrap;
}
html[data-theme="day"] .creation-visual-caption {
    color: var(--text-primary);
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.92);
}

.creation-video-rail { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.creation-video {
    display: flex; flex-direction: column; min-width: 0; color: inherit; text-decoration: none;
    animation: creationEnter 0.48s both;
    animation-delay: calc(var(--creation-order, 0) * 65ms);
}
.creation-video-image { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--surface-blue-40); }
.creation-video-image img {
    display: block; width: 100%; height: 100%; object-fit: cover; filter: saturate(0.7);
    transition: filter 0.3s ease, transform 0.5s ease;
}
.creation-video:hover .creation-video-image img { filter: saturate(1); transform: scale(1.04); }
.creation-video-play {
    position: absolute; inset: 0; display: grid; place-items: center;
    color: #fff; font-size: 1.25rem; background: rgba(0, 0, 0, 0.14);
    transition: background 0.2s ease;
}
.creation-video-play i {
    display: grid; place-items: center; width: 2.5rem; height: 2.5rem;
    padding-left: 0.12rem; border: 1px solid rgba(255, 255, 255, 0.8); border-radius: 50%;
    background: rgba(0, 0, 0, 0.25); font-size: 0.8rem;
}
.creation-video:hover .creation-video-play { background: rgba(202, 70, 47, 0.26); }
.creation-video-body { display: flex; flex-direction: column; gap: 0.3rem; padding-top: 0.65rem; }
.creation-video-body .creation-item-meta { font-size: 0.63rem; }
.creation-video-body strong {
    overflow: hidden; color: var(--text-primary); font-family: var(--font-serif);
    font-size: 0.95rem; font-weight: 400; line-height: 1.4; text-overflow: ellipsis; white-space: nowrap;
}
.creation-video:hover .creation-video-body strong { color: var(--accent-red); }
.creation-video-body > span:last-child { color: var(--text-secondary); font-size: 0.74rem; line-height: 1.4; }
.creation-image-error { visibility: hidden; }
.creation-article-list.is-refreshing,
.creation-visual-grid.is-refreshing,
.creation-video-rail.is-refreshing { animation: creationRefresh 0.35s ease; }

@media (max-width: 768px) {
    #creation.creation-section { padding: 4rem 0 5rem; }
    .creation-heading .section-title { font-size: 2.2rem; }
    .creation-heading { align-items: flex-start; gap: 1rem; }
    .creation-stats { gap: 0.8rem; justify-content: flex-start; font-size: 0.65rem; }
    .creation-stats span { gap: 0.3rem; }
    .creation-stats .creation-refresh { min-height: 2.25rem; padding: 0.35rem 0.55rem; font-size: 0.68rem; }
    .creation-board { grid-template-columns: minmax(0, 1fr); row-gap: 2.6rem; padding-top: 2rem; }
    .creation-panel--videos { grid-column: auto; }
    .creation-panel-header h3 { font-size: 1.15rem; }
    .creation-panel-link { font-size: 0.68rem; }
    .creation-article { grid-template-columns: 3.8rem minmax(0, 1fr) 0.8rem; gap: 0.7rem; min-height: 5.5rem; }
    .creation-article-image { width: 3.8rem; height: 3.8rem; }
    .creation-article-title { font-size: 0.9rem; }
    .creation-article-excerpt { font-size: 0.68rem; }
    .creation-visual-grid { block-size: clamp(15rem, 50vw, 19rem); grid-template-rows: repeat(2, minmax(0, 1fr)); }
    .creation-video-rail {
        grid-auto-flow: column; grid-auto-columns: minmax(230px, 74%);
        grid-template-columns: none; overflow-x: auto; gap: 0.9rem;
        padding: 0 0 0.75rem; scroll-snap-type: x mandatory;
    }
    .creation-video { scroll-snap-align: start; }
    .creation-video-body strong { font-size: 0.86rem; }
    .creation-video-body > span:last-child { font-size: 0.68rem; }
}

@media (max-width: 420px) {
    .creation-heading { flex-direction: column; }
    .creation-heading .section-title { font-size: 2rem; }
    .creation-stats { gap: 0.4rem; font-size: 0.56rem; }
    .creation-stats .creation-refresh { gap: 0.3rem; padding-inline: 0.4rem; font-size: 0.62rem; }
    .creation-panel-header { align-items: flex-start; }
    .creation-panel-header > div { gap: 0.45rem; }
    .creation-panel-link { gap: 0.25rem; font-size: 0.6rem; }
    .creation-visual-grid { block-size: clamp(14rem, 58vw, 17rem); gap: 0.4rem; }
    .creation-visual-caption { padding: 0.5rem 0.5rem 0.55rem; }
    .creation-visual-caption strong { font-size: 0.72rem; }
    .creation-video-rail { grid-auto-columns: minmax(220px, 82%); }
}

@keyframes creationEnter {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes creationRefresh {
    50% { opacity: 0.55; transform: translateY(3px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ================= 影像 (Gallery) ================= */
#gallery { padding: 6rem 0; }
#gallery .text-content { opacity: 0.8; }

.gallery-toolbar {
    display: flex; justify-content: flex-end;
    margin: 2rem 0 1.5rem;
}

.gallery-shuffle {
    min-height: 2.35rem; padding: 0.35rem 0.8rem;
    border: 1px solid var(--border-color); border-radius: 999px;
    background: var(--card-bg); color: var(--text-secondary);
    font: 0.85rem var(--font-mono); cursor: pointer;
    transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.gallery-shuffle:hover,
.gallery-shuffle:focus-visible {
    color: var(--accent-red); border-color: var(--accent-red); outline: none;
    transform: translateY(-1px);
}

.gallery-shuffle { display: inline-flex; align-items: center; gap: 0.45rem; }
.gallery-shuffle i { font-size: 0.8rem; }

#photo-wall {
    column-count: 4; column-gap: 1.5rem;
    display: block; padding: 10px;
}

.gallery-item {
    position: relative; break-inside: avoid;
    margin-bottom: 1.8rem; width: 100%;
    border-radius: 8px; border: 1px solid var(--white-alpha-10);
    background: var(--surface-black-20); overflow: hidden;
    cursor: zoom-in; z-index: 1;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.2s ease, border-color 0.2s ease;
}
.gallery-item img {
    width: 100%; height: auto; display: block;
    transition: filter 0.2s ease;
}
.gallery-item:hover {
    transform: scale(1.1) !important; z-index: 100;
    box-shadow: 0 20px 40px var(--surface-black-60);
}
.gallery-item:hover img { filter: brightness(1.1); }
.gallery-item[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
    .gallery-shuffle, .gallery-item { transition: none; }
}

/* ================= 灯箱 (Lightbox) ================= */
.lightbox-overlay {
    position: fixed; z-index: 9999; top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: var(--surface-blue-95);
    backdrop-filter: blur(10px);
    display: flex; justify-content: center; align-items: center;
    opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.lightbox-overlay.active { opacity: 1; visibility: visible; }

.lightbox-content {
    position: relative; max-width: 95%; max-height: 95%;
    display: flex; flex-direction: column; align-items: center;
    transform: scale(0.9); transition: transform 0.3s ease;
}
.lightbox-overlay.active .lightbox-content { transform: scale(1); }

#lightbox-img {
    max-width: 100%; max-height: 80vh;
    object-fit: contain; border-radius: 4px;
    box-shadow: 0 20px 50px var(--surface-black-50);
}

.close-lightbox {
    position: absolute; top: 20px; right: 40px;
    color: var(--text-bright); font-size: 3rem; font-weight: bold;
    cursor: pointer; transition: color 0.3s; z-index: 10001;
}
.close-lightbox:hover { color: var(--accent-red); }

.download-link {
    display: inline-block; margin-top: 1.5rem; padding: 10px 30px;
    background: var(--accent-red); color: var(--text-bright);
    font-family: var(--font-mono); font-weight: bold;
    border-radius: 50px; letter-spacing: 1px;
    transition: all 0.3s; border: 2px solid var(--accent-red);
    flex-shrink: 0;
}
.download-link:hover {
    background: transparent; color: var(--accent-red);
    box-shadow: 0 0 20px var(--accent-alpha-50);
}
.download-link i { margin-right: 8px; }

/* ================= 结语 (Epilogue) ================= */
#epilogue { padding: 8rem 0 6rem; position: relative; background: transparent; }

.epilogue-wrapper { max-width: 700px; margin: 0; text-align: left; }

.epilogue-text { margin: 4rem 0; }
.epilogue-text p {
    font-size: 1.4rem; line-height: 1.8;
    color: var(--text-primary); margin-bottom: 2rem;
    font-family: var(--font-serif); opacity: 0.9;
}

.epilogue-footer {
    display: flex; justify-content: flex-start; gap: 3rem;
    margin-top: 5rem; padding-top: 2rem;
    border-top: 1px dashed var(--blue-alpha-30);
}

.sign-block { display: flex; flex-direction: column; gap: 0.5rem; }
.sign-block .label {
    font-family: var(--font-mono); font-size: 0.7rem;
    color: var(--text-secondary); opacity: 0.6; letter-spacing: 1px;
}
.sign-block .value {
    font-family: var(--font-mono); font-size: 0.9rem; color: var(--accent-red);
}

@media (max-width: 900px) {
    #photo-wall { column-count: 2; }
}

@media (max-width: 600px) {
    #photo-wall { column-count: 1; }
}

@media (max-width: 768px) {
    /* 序言与Hero调整 */
    #preface { padding-top: 0; }
    .hero-content {
        height: auto; min-height: 90vh;
        display: flex; flex-direction: column; align-items: center;
        gap: 0; text-align: center;
    }
    .hero-text h1 {
        font-size: clamp(1rem, 18vw, 10rem);
        margin-top: clamp(2rem, 6vh, 4rem);
    }
    .hero-name { display: none; }
    .hero-poem { border-left: none; padding-left: 0; margin-top: 1rem; font-size: 1.5rem; }
    .hero-decoration { font-size: 15vw; top: 60%; }

    #OpeningImage {
        margin-top: 0; transform-origin: top center;
        font-size: 10px; line-height: 8px; 
    }

    /* 回忆板块垂直排列 */
    .memory-card { flex-direction: column; align-items: flex-start; }
    .memory-text { padding: 0.5rem 0 0 0; }
    .memory-card img { width: 100%; }
    .memory-row { padding: 2rem 1rem; gap: 1rem; }
    .memory-date { font-size: 1rem; min-width: 60px; }
    .memory-text h3 { font-size: 1.4rem; margin-bottom: 0;}
    .memory-stream {padding-bottom: 30px;}

    /* 影像墙：双列 */
    #photo-wall { column-count: 3 !important; column-gap: 10px; padding: 5px; }
    .gallery-item { margin-bottom: 10px; }
    .gallery-toolbar { justify-content: flex-start; margin-top: 1.5rem; }
    .epilogue-footer { flex-direction: column; gap: 1.5rem; }
}