@font-face {
    font-family: 'Microsoft YaHei';
    src: url('fonts/msyh-subset.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;
}
@font-face {
    font-family: 'Microsoft YaHei';
    src: url('fonts/msyhbd-subset.woff2') format('woff2');
    font-weight: 700;
    font-display: swap;
}
@font-face {
    font-family: 'ZhiMangXing';
    src: url('fonts/ZhiMangXing-Regular.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --font-title: 'ZCOOL QingKe HuangYou', 'ZhiMangXing', 'Noto Serif SC', 'Microsoft YaHei', '微软雅黑', serif;
    --font-title-alt: 'ZCOOL QingKe HuangYou', 'ZhiMangXing', 'Noto Serif SC', 'Microsoft YaHei', '微软雅黑', serif;
    --font-serif: 'Noto Serif SC', 'Microsoft YaHei', '微软雅黑', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
    --font-body: 'Noto Serif SC', 'Microsoft YaHei', '微软雅黑', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
    --font-brush: 'ZCOOL QingKe HuangYou', 'ZhiMangXing', 'Noto Serif SC', 'Microsoft YaHei', '微软雅黑', serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;
    --bg-dark: #0a0a0f;
    --bg-player: #0a0a0f;
    --text-white: #ffffff;
    --text-white-90: rgba(255, 255, 255, 0.9);
    --text-white-80: rgba(255, 255, 255, 0.8);
    --text-white-75: rgba(255, 255, 255, 0.75);
    --text-white-70: rgba(255, 255, 255, 0.7);
    --text-white-60: rgba(255, 255, 255, 0.6);
    --text-white-55: rgba(255, 255, 255, 0.55);
    --text-white-50: rgba(255, 255, 255, 0.5);
    --text-white-40: rgba(255, 255, 255, 0.4);
    --text-white-30: rgba(255, 255, 255, 0.3);
    --text-white-20: rgba(255, 255, 255, 0.2);
    --text-white-15: rgba(255, 255, 255, 0.15);
    --text-white-12: rgba(255, 255, 255, 0.12);
    --text-white-10: rgba(255, 255, 255, 0.1);
    --text-white-08: rgba(255, 255, 255, 0.08);
    --text-white-06: rgba(255, 255, 255, 0.06);
    --text-white-05: rgba(255, 255, 255, 0.05);
    --text-white-03: rgba(255, 255, 255, 0.03);
    --border-light: rgba(255, 255, 255, 0.15);
    --border-lighter: rgba(255, 255, 255, 0.3);
    --border-hover: rgba(255, 255, 255, 0.5);
    --border-hover-strong: rgba(255, 255, 255, 0.6);
    --cat-documentary: #6366f1;
    --cat-ads: #06b6d4;
    --cat-game: #f59e0b;
    --cat-real: #ec4899;
    --transition: 0.3s ease;
    --transition-slow: 0.4s ease;
    --transition-layer: 0.8s ease;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-white);
    background: #000;
    overflow: hidden;
    font-size: 1rem;
    font-weight: 400;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.scrollable {
    overflow-y: auto;
    overflow-x: hidden;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--text-white-50);
    outline-offset: 2px;
}

.page-layer {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.96);
    transition: opacity var(--transition-layer), visibility var(--transition-layer), transform var(--transition-layer);
    z-index: 1;
    contain: layout style paint;
}

.page-layer.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    z-index: 10;
}

#layer-landing.leaving {
    opacity: 0;
    transform: scale(0.92);
    filter: blur(8px);
    transition: opacity 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 10;
}

#layer-landing {
    z-index: 10;
}

#layer-landing.active {
    z-index: 10;
}

.landing-bg-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.75;
    z-index: 0;
    transform: translateZ(0);
    background: #0a0a0f;
}

.landing-grain {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.04;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.landing-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.45) 100%);
    z-index: 2;
}

.landing-content {
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #f0f0f0;
}

.landing-top-left {
    position: absolute;
    top: 8vh;
    left: 8vw;
    display: flex;
    align-items: flex-start;
    gap: 24px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.landing-top-left:hover {
    opacity: 0.85;
}

.landing-name-vertical {
    writing-mode: vertical-rl;
    font-family: var(--font-title);
    font-size: clamp(3rem, 6vw, 5rem);
    color: var(--text-white);
    letter-spacing: 0.3em;
    line-height: 1;
    position: relative;
}

#enter-profile span {
    animation: nameShimmer 3s ease-in-out infinite;
}

@keyframes nameShimmer {
    0%, 100% { text-shadow: 0 0 0 transparent; }
    50% { text-shadow: 0 0 20px rgba(255, 255, 255, 0.15), 0 0 40px rgba(255, 255, 255, 0.05); }
}

.landing-name-hint {
    font-family: var(--font-serif);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.15em;
    margin-top: 12px;
    animation: hintBreathe 4s ease-in-out infinite;
}

@keyframes hintBreathe {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.6; }
}

.landing-name-en {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 8px;
}

.landing-name-en-main {
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 2.5vw, 2rem);
    font-weight: 900;
    color: var(--text-white-80);
    letter-spacing: 0.2em;
    line-height: 1.3;
}

.landing-name-en-divider {
    width: 40px;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
    margin: 10px 0;
}

.landing-name-en-sub {
    font-family: var(--font-serif);
    font-size: clamp(0.7rem, 1.2vw, 0.95rem);
    color: var(--text-white-50);
    letter-spacing: 0.15em;
    margin-top: 0;
}

.landing-name-en-detail {
    font-family: var(--font-serif);
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.08em;
    line-height: 1.8;
}

.landing-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.landing-enter-line {
    width: 180px;
    height: 1px;
    background: var(--text-white-30);
}

.landing-enter {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    animation: breathe 4s ease-in-out infinite;
    transition: opacity var(--transition);
}

.landing-enter:hover {
    opacity: 1 !important;
}

.landing-enter-text {
    font-family: var(--font-title);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--text-white-80);
    letter-spacing: 0.3em;
}

.landing-enter-text-en {
    font-family: var(--font-serif);
    font-size: clamp(0.6rem, 1vw, 0.8rem);
    color: var(--text-white-40);
    letter-spacing: 0.25em;
}

@keyframes breathe {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.landing-year {
    position: absolute;
    bottom: 5vh;
    right: 5vw;
    font-family: var(--font-serif);
    font-size: 0.65rem;
    color: var(--text-white-15);
    letter-spacing: 0.3em;
}

.landing-corner {
    position: absolute;
    width: 60px;
    height: 60px;
    z-index: 4;
    pointer-events: none;
}

.landing-corner-tl {
    top: 5vh;
    left: 5vw;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.landing-corner-tr {
    top: 5vh;
    right: 5vw;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.landing-corner-bl {
    bottom: 5vh;
    left: 5vw;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.landing-corner-br {
    bottom: 5vh;
    right: 5vw;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.landing-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 2;
}

.landing-orb-1 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(180, 140, 80, 0.06) 0%, transparent 70%);
    top: 20%;
    left: 60%;
}

.landing-orb-2 {
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(100, 140, 180, 0.04) 0%, transparent 70%);
    top: 60%;
    left: 20%;
}

.landing-orb-3 {
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(200, 160, 100, 0.03) 0%, transparent 70%);
    top: 40%;
    left: 80%;
}

.landing-bottom-text {
    position: absolute;
    bottom: 5vh;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-serif);
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.12);
    letter-spacing: 0.4em;
    z-index: 4;
    pointer-events: none;
}

.landing-right-line {
    position: absolute;
    right: 3vw;
    top: 20%;
    height: 60%;
    width: 1px;
    background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.1) 30%, rgba(255, 255, 255, 0.1) 70%, transparent 100%);
    z-index: 4;
    pointer-events: none;
}

.hub-bg-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.65;
    z-index: 0;
    transform: translateZ(0);
    background: #0a0a0f;
}

.hub-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: 
        radial-gradient(ellipse at 25% 45%, rgba(180, 140, 80, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 75% 35%, rgba(100, 140, 180, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.3) 100%);
}

.hub-vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 45%, rgba(0, 0, 0, 0.4) 100%);
    pointer-events: none;
    z-index: 1;
}

.hub-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.hub-particle {
    position: absolute;
    border-radius: 50%;
    background: var(--text-white);
}

.hub-content {
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 10vw;
}

.hub-categories {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.hub-category {
    text-decoration: none;
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.hub-category::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 40%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    pointer-events: none;
    z-index: -1;
}

.hub-category:hover::before {
    width: 300%;
    height: 300%;
}

.hub-cat-text {
    font-family: var(--font-brush);
    font-size: clamp(2rem, 4vw, 3.2rem);
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.12em;
    transition: all var(--transition-slow);
    position: relative;
    white-space: nowrap;
}

.hub-cat-line {
    display: block;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.2));
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.15), 0 0 20px rgba(255, 255, 255, 0.05);
    filter: blur(0.5px);
    transition: width 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.5s ease;
    margin-top: 8px;
}

.hub-category:hover .cat-ai {
    color: var(--text-white-80);
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.cat-ai {
    font-family: var(--font-serif);
    font-size: 0.65em;
    font-weight: 900;
    letter-spacing: 0.15em;
    color: var(--text-white-50);
    vertical-align: middle;
    margin: 0 0.15em;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.1);
}

.hub-category:hover .hub-cat-text {
    color: var(--text-white);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2), 0 0 40px rgba(255, 255, 255, 0.08);
}

.hub-category:hover .hub-cat-line {
    width: 100%;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.25), 0 0 30px rgba(255, 255, 255, 0.1);
}

.hub-title-vertical {
    writing-mode: vertical-lr;
    user-select: none;
}

.hub-title-char {
    display: block;
    font-family: var(--font-title);
    font-size: clamp(6rem, 14vw, 12rem);
    color: rgba(255, 255, 255, 0.08);
    letter-spacing: 0.5em;
    user-select: none;
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 1.2s ease, transform 1.2s ease;
}

.hub-title-char.written {
    opacity: 1;
    transform: translateX(0);
}

.hub-title-char.written:nth-child(1) {
    animation: inkSpread 2s ease-out forwards;
}

.hub-title-char.written:nth-child(2) {
    animation: inkSpread 2s ease-out 0.3s forwards;
}

.hub-title-char.written:nth-child(3) {
    animation: inkSpread 2s ease-out 0.6s forwards;
}

@keyframes inkSpread {
    0% {
        text-shadow: none;
        color: rgba(255, 255, 255, 0.2);
    }
    30% {
        text-shadow: 0 0 30px rgba(255, 200, 100, 0.15), 0 0 60px rgba(255, 200, 100, 0.08);
        color: rgba(255, 255, 255, 0.15);
    }
    100% {
        text-shadow: 0 0 15px rgba(255, 200, 100, 0.05);
        color: rgba(255, 255, 255, 0.08);
    }
}

.hub-back {
    position: fixed;
    top: 32px;
    left: 32px;
    z-index: 20;
    background: transparent;
    border: 1px solid var(--text-white-20);
    color: var(--text-white-50);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-title-alt);
}

.hub-back:hover {
    border-color: var(--border-hover);
    color: var(--text-white);
}

.hub-category-featured .hub-cat-text {
    font-size: clamp(2.4rem, 4.8vw, 3.8rem);
    font-weight: 600;
    letter-spacing: 0.15em;
}

.hub-category-featured .cat-ai {
    font-size: 0.72em;
    font-weight: 900;
    letter-spacing: 0.08em;
    margin: 0 0.08em;
}

.player-bg {
    position: absolute;
    inset: 0;
    background: var(--bg-player);
}

.player-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 40px 48px;
}

.player-header {
    margin-bottom: 24px;
}

.player-category-label {
    font-size: 0.8rem;
    color: var(--text-white-40);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.player-video-title {
    font-family: var(--font-title);
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--text-white-90);
    letter-spacing: 0.08em;
    margin-top: 8px;
}

.player-main {
    flex: 1;
    display: flex;
    gap: 32px;
    min-height: 0;
}

.player-video-wrapper {
    flex: 1;
    position: relative;
    background: #000;
    border-radius: 2px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.player-video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.poster-curtain {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.poster-curtain::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 45%, rgba(0,0,0,0.3) 50%, transparent 55%);
}

.poster-curtain-left {
    left: 0;
    background-position: left center;
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.poster-curtain-right {
    right: 0;
    background-position: right center;
    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
}

.poster-curtain-seam {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 4;
    transition: opacity 1s ease;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 0, 0, 0.3);
}

.poster-curtain-seam.hidden {
    opacity: 0;
}

.curtain-trigger {
    position: absolute;
    z-index: 5;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: none;
    cursor: pointer;
    animation: curtainBreathe 3s ease-in-out infinite;
    transition: opacity 0.3s ease;
}

.curtain-trigger:hover {
    opacity: 1 !important;
}

.curtain-trigger.hidden {
    display: none;
}

.curtain-trigger-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white-70);
    transition: color var(--transition);
}

.curtain-trigger:hover .curtain-trigger-icon {
    color: var(--text-white);
}

.curtain-trigger-text {
    font-family: var(--font-brush);
    font-size: 1rem;
    color: var(--text-white-60);
    letter-spacing: 0.2em;
    transition: color var(--transition);
}

.curtain-trigger:hover .curtain-trigger-text {
    color: var(--text-white-90);
}

@keyframes curtainBreathe {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.player-loading {
    position: absolute;
    z-index: 6;
    display: none;
    align-items: center;
    justify-content: center;
}

.player-loading.active {
    display: flex;
}

.player-loading-spinner {
    width: 40px;
    height: 40px;
    border: 2px solid var(--text-white-10);
    border-top-color: var(--text-white-60);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.player-nav {
    display: flex;
    flex-direction: column;
    gap: 20px;
    justify-content: center;
    min-width: 140px;
}

.player-nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: transparent;
    border: 1px solid var(--text-white-15);
    color: var(--text-white-60);
    font-family: var(--font-title-alt);
    font-size: 0.95rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.player-nav-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--text-white-03);
    transform: translateX(-100%);
    transition: transform var(--transition);
}

.player-nav-btn:hover::before {
    transform: translateX(0);
}

.player-nav-btn:hover {
    border-color: var(--text-white-40);
    color: var(--text-white-90);
}

.player-info {
    margin-top: 20px;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.player-info .desc-item {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.player-info .desc-label {
    flex-shrink: 0;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-white-40);
    border: 1px solid var(--text-white-10);
    padding: 3px 10px;
    letter-spacing: 1px;
}

.player-info .desc-text {
    font-size: 0.9rem;
    color: var(--text-white-55);
    line-height: 1.7;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--text-white-06);
}

.ctrl-btn {
    background: transparent;
    border: 1px solid var(--text-white-12);
    color: var(--text-white-50);
    padding: 6px 14px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ctrl-btn:hover {
    border-color: var(--text-white-30);
    color: var(--text-white-80);
}

.ctrl-progress {
    flex: 1;
    height: 3px;
    background: var(--text-white-08);
    cursor: pointer;
    position: relative;
}

.ctrl-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--text-white-40);
    transition: width 0.1s linear;
}

.ctrl-volume {
    width: 80px;
    height: 3px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--text-white-08);
    outline: none;
    cursor: pointer;
    border-radius: 2px;
}

.ctrl-volume::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-white-60);
    cursor: pointer;
}

.ctrl-volume::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-white-60);
    cursor: pointer;
    border: none;
}

.sound-toggle {
    position: fixed;
    top: 32px;
    right: 32px;
    z-index: 20;
    background: transparent;
    border: 1px solid var(--text-white-20);
    color: var(--text-white-50);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
}

.sound-toggle:hover {
    border-color: var(--border-hover);
    color: var(--text-white);
}

.ctrl-time {
    font-size: 0.75rem;
    color: var(--text-white-30);
    font-family: var(--font-mono);
    min-width: 90px;
    text-align: right;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

#layer-profile {
    z-index: 1;
}

.profile-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0a0a0f 0%, #0d0d18 30%, #0a0a0f 60%, #080810 100%);
}

.profile-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 40%, rgba(180, 140, 80, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(100, 140, 180, 0.03) 0%, transparent 50%);
}

.profile-content {
    position: relative;
    z-index: 3;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.profile-content::-webkit-scrollbar {
    width: 4px;
}

.profile-content::-webkit-scrollbar-track {
    background: transparent;
}

.profile-content::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
}

.profile-back {
    position: fixed;
    top: 3vh;
    left: 3vw;
    z-index: 10;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.profile-back:hover {
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.8);
    border-color: rgba(255,255,255,0.2);
}

.profile-layout {
    display: flex;
    min-height: 100vh;
    padding: 8vh 8vw;
    gap: 6vw;
    align-items: flex-start;
}

.profile-photo-area {
    flex: 0 0 320px;
    position: sticky;
    top: 8vh;
}

.profile-photo-frame {
    position: relative;
    background: #111;
    padding: 32px 20px;
    border-radius: 2px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    min-height: 280px;
}

.profile-photo-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 2px;
    pointer-events: none;
}

.film-perf {
    position: absolute;
    left: 6px;
    width: 12px;
    height: 8px;
    border-radius: 1px;
    background: #1a1a1a;
    box-shadow: inset 0 0 2px rgba(0,0,0,0.5);
}

.film-perf-top {
    top: 8px;
}

.film-perf-bottom {
    bottom: 8px;
}

.film-perf-top::before,
.film-perf-top::after,
.film-perf-bottom::before,
.film-perf-bottom::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 8px;
    border-radius: 1px;
    background: #1a1a1a;
    box-shadow: inset 0 0 2px rgba(0,0,0,0.5);
}

.film-perf-top::before { top: 14px; }
.film-perf-top::after { top: 28px; }
.film-perf-bottom::before { bottom: 14px; }
.film-perf-bottom::after { bottom: 28px; }

.profile-photo {
    width: 100%;
    display: block;
    min-height: 280px;
    object-fit: cover;
    filter: saturate(0.85) contrast(1.05);
    transition: filter 0.5s ease;
    background: #1a1a1a;
}

.profile-photo:hover {
    filter: saturate(1) contrast(1.1);
}

.profile-photo-caption {
    font-family: var(--font-serif);
    font-size: 0.6rem;
    color: rgba(255,255,255,0.2);
    letter-spacing: 0.4em;
    text-align: center;
    margin-top: 16px;
}

.profile-info-area {
    flex: 1;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 48px;
    padding-top: 8px;
}

.profile-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.profile-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.profile-section-label {
    font-family: var(--font-serif);
    font-size: 0.6rem;
    color: rgba(180, 140, 80, 0.5);
    letter-spacing: 0.4em;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(180, 140, 80, 0.15);
}

.profile-name {
    font-family: var(--font-title);
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--text-white);
    letter-spacing: 0.15em;
    line-height: 1.2;
    margin-bottom: 8px;
}

.profile-subtitle {
    font-family: var(--font-serif);
    font-size: clamp(0.85rem, 1.5vw, 1.1rem);
    color: var(--text-white-60);
    letter-spacing: 0.2em;
    margin-bottom: 4px;
}

.profile-tagline {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--text-white-40);
    letter-spacing: 0.1em;
}

.profile-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.highlight-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 2px;
}

.highlight-num {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: rgba(180, 140, 80, 0.8);
    letter-spacing: 0.05em;
}

.highlight-desc {
    font-family: var(--font-body);
    font-size: 0.7rem;
    color: var(--text-white-40);
    letter-spacing: 0.05em;
}

.profile-projects {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.project-item {
    padding-left: 20px;
    border-left: 1px solid rgba(180, 140, 80, 0.2);
}

.project-role {
    font-family: var(--font-serif);
    font-size: 0.65rem;
    color: rgba(180, 140, 80, 0.5);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.project-title {
    font-family: var(--font-title);
    font-size: 1.2rem;
    color: var(--text-white-80);
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.project-desc {
    font-family: var(--font-body);
    font-size: 0.78rem;
    color: var(--text-white-40);
    line-height: 1.7;
    letter-spacing: 0.03em;
}

.profile-skills {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-group-label {
    font-family: var(--font-serif);
    font-size: 0.65rem;
    color: rgba(180, 140, 80, 0.4);
    letter-spacing: 0.25em;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    font-family: var(--font-body);
    font-size: 0.72rem;
    color: var(--text-white-60);
    padding: 4px 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 2px;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: rgba(180, 140, 80, 0.08);
    border-color: rgba(180, 140, 80, 0.2);
    color: var(--text-white-80);
}

.profile-timeline {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-left: 16px;
    border-left: 1px solid rgba(255,255,255,0.06);
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.timeline-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(180, 140, 80, 0.4);
    flex-shrink: 0;
    margin-left: -19px;
}

.timeline-text {
    font-family: var(--font-body);
    font-size: 0.78rem;
    color: var(--text-white-50);
    letter-spacing: 0.05em;
}

.profile-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-item {
    font-family: var(--font-serif);
    font-size: 0.8rem;
    color: var(--text-white-40);
    letter-spacing: 0.1em;
}

.contact-link {
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-block;
}

.contact-link:hover {
    color: rgba(180, 140, 80, 0.8);
}

/* N-11: 骨架屏 */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 2px;
}

.showcase-info.loading .showcase-cat,
.showcase-info.loading .showcase-title,
.showcase-info.loading .showcase-subtitle,
.showcase-info.loading .showcase-desc {
    color: transparent !important;
}

.showcase-info.loading .showcase-cat::after,
.showcase-info.loading .showcase-title::after,
.showcase-info.loading .showcase-subtitle::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 2px;
}

.showcase-cat, .showcase-title, .showcase-subtitle {
    position: relative;
    overflow: hidden;
}

/* N-05: Agent 卡片样式 */
#layer-grid.cat-agent .showcase-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
}

#layer-grid.cat-agent .showcase-info {
    margin-bottom: 0;
}

#layer-grid.cat-agent .showcase-title {
    color: rgba(180, 140, 80, 0.9);
    font-size: clamp(1.5rem, 2.5vw, 2.4rem);
}

#layer-grid.cat-agent .showcase-meta {
    display: none;
}

#layer-grid.cat-agent .showcase-play-hint {
    display: none !important;
}

.agent-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.agent-tag {
    font-family: var(--font-body);
    font-size: 0.65rem;
    color: var(--text-white-50);
    padding: 4px 10px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 2px;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .sound-toggle {
        top: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
    }
    .ctrl-volume {
        width: 60px;
    }
}

@media (max-width: 768px) {
    .landing-top-left {
        top: auto;
        bottom: auto;
        left: auto;
        position: relative;
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .landing-name-vertical {
        writing-mode: horizontal-tb;
        font-size: clamp(2.5rem, 8vw, 4rem);
        letter-spacing: 0.15em;
    }

    .landing-name-en {
        align-items: center;
        padding-top: 0;
    }

    .landing-content {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
    }

    .landing-corner {
        width: 30px;
        height: 30px;
    }

    .landing-orb {
        transform: scale(0.5);
    }

    .landing-bottom-text {
        font-size: 0.5rem;
    }

    .landing-right-line {
        display: none;
    }

    .hub-content {
        flex-direction: column;
        justify-content: center;
        gap: 48px;
        padding: 0 24px;
    }

    .hub-title-vertical {
        writing-mode: horizontal-tb;
        text-align: center;
    }

    .landing-enter {
        min-height: 48px;
        padding: 12px 24px;
    }

    .hub-title-char {
        display: inline-block;
        font-size: clamp(4rem, 10vw, 7rem);
    }

    .hub-categories {
        gap: 32px;
        align-items: center;
    }

    .player-main {
        flex-direction: column;
    }

    .player-nav {
        flex-direction: row;
        min-width: auto;
        justify-content: center;
    }

    .player-content {
        padding: 20px;
    }

    .curtain-trigger-text {
        font-size: 0.8rem;
    }

    .profile-layout {
        flex-direction: column;
        padding: 6vh 6vw;
        gap: 4vh;
    }

    .profile-photo-area {
        flex: none;
        position: static;
        max-width: 200px;
        margin: 0 auto;
    }

    .profile-info-area {
        max-width: 100%;
        gap: 32px;
    }

    .profile-highlights {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .landing-name-vertical {
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .landing-name-en-main {
        font-size: clamp(0.9rem, 3vw, 1.4rem);
    }

    .landing-name-en-sub {
        font-size: clamp(0.6rem, 2vw, 0.8rem);
    }

    .landing-name-en-detail {
        font-size: 0.6rem;
    }

    .landing-enter-text {
        font-size: clamp(1.1rem, 4vw, 1.5rem);
    }

    .landing-enter-line {
        width: 80px;
    }

    .landing-year {
        font-size: 0.55rem;
    }

    .landing-corner {
        width: 20px;
        height: 20px;
    }

    .landing-orb {
        display: none;
    }

    .landing-bottom-text {
        font-size: 0.45rem;
    }

    .hub-categories {
        gap: 24px;
    }

    .hub-cat-text {
        font-size: clamp(1.5rem, 6vw, 2.2rem);
    }

    .hub-title-vertical {
        writing-mode: horizontal-tb;
    }

    .hub-title-char {
        font-size: clamp(3rem, 12vw, 5rem);
    }

    .hub-back {
        top: 16px;
        left: 16px;
        width: 40px;
        height: 40px;
    }

    .player-content {
        padding: 16px;
    }

    .player-header {
        margin-bottom: 16px;
    }

    .player-video-title {
        font-size: clamp(1.1rem, 4vw, 1.5rem);
    }

    .curtain-trigger-text {
        font-size: 0.7rem;
    }

    .curtain-trigger-icon svg {
        width: 22px;
        height: 22px;
    }

    .player-nav-btn {
        padding: 10px 14px;
        font-size: 0.85rem;
        letter-spacing: 1px;
    }

    .player-info {
        margin-top: 14px;
        gap: 16px;
    }

    .player-info .desc-text {
        font-size: 0.82rem;
    }

    .player-controls {
        gap: 10px;
        margin-top: 12px;
        padding-top: 10px;
    }

    .ctrl-btn {
        padding: 5px 10px;
        font-size: 0.72rem;
    }

    .ctrl-time {
        font-size: 0.68rem;
        min-width: 70px;
    }

    .profile-photo-area {
        max-width: 160px;
    }

    .profile-highlights {
        grid-template-columns: 1fr;
    }
}

#layer-grid {
    z-index: 1;
    cursor: pointer;
}

.showcase-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    transition: opacity 0.8s ease;
    z-index: 0;
    transform: translateZ(0);
}

.showcase-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

#layer-grid.warm-bg .showcase-image {
    display: none;
}

#layer-grid.warm-bg {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 25%, #fbbf24 50%, #f59e0b 75%, #d97706 100%);
}

#layer-grid.warm-bg .showcase-gradient {
    background: linear-gradient(to right, rgba(254, 243, 199, 0.3) 0%, rgba(251, 191, 36, 0.15) 40%, rgba(245, 158, 11, 0.1) 60%, rgba(217, 119, 6, 0.05) 100%);
}

#layer-grid:hover .showcase-video {
    opacity: 0.8;
}

#layer-grid.playing .showcase-video {
    opacity: 1;
}

.showcase-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.05) 0%, rgba(0, 0, 0, 0.1) 40%, rgba(0, 0, 0, 0.35) 60%, rgba(0, 0, 0, 0.6) 80%, rgba(0, 0, 0, 0.75) 100%);
    z-index: 1;
    transition: opacity 0.8s ease;
}

#layer-grid.playing .showcase-gradient {
    opacity: 0.3;
}

.showcase-play-hint {
    position: absolute;
    top: 50%;
    left: 35%;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 3;
}

.showcase-play-hint svg {
    margin-left: 4px;
}

#layer-grid:hover .showcase-play-hint {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

#layer-grid.playing .showcase-play-hint {
    opacity: 0;
    pointer-events: none;
}

.showcase-right {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 42%;
    min-width: 380px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 48px;
    z-index: 4;
    transition: opacity 0.8s ease;
}

#layer-grid.playing .showcase-right {
    opacity: 0;
    pointer-events: none;
}

.showcase-info {
    margin-bottom: 48px;
}

.showcase-cat {
    display: inline-block;
    font-family: var(--font-brush);
    font-size: 0.75rem;
    color: rgba(180, 140, 80, 0.7);
    letter-spacing: 0.4em;
    text-transform: uppercase;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.6s ease 0.1s, transform 0.6s ease 0.1s;
}

.showcase-info.active .showcase-cat {
    opacity: 1;
    transform: translateY(0);
}

.showcase-title {
    font-family: var(--font-brush);
    font-size: clamp(2rem, 3.5vw, 3.2rem);
    color: #dc2626;
    letter-spacing: 0.1em;
    line-height: 1.3;
    margin-bottom: 8px;
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.7s ease 0.2s, transform 0.7s ease 0.2s;
}

.showcase-info.active .showcase-title {
    opacity: 1;
    transform: translateY(0);
}

.showcase-subtitle {
    font-family: var(--font-serif);
    font-size: clamp(1rem, 1.8vw, 1.4rem);
    color: rgba(180, 140, 80, 0.5);
    letter-spacing: 0.15em;
    font-style: italic;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease 0.35s, transform 0.7s ease 0.35s;
}

.showcase-info.active .showcase-subtitle {
    opacity: 1;
    transform: translateY(0);
}

.showcase-meta {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-white-40);
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.6s ease 0.45s, transform 0.6s ease 0.45s;
}

.showcase-info.active .showcase-meta {
    opacity: 1;
    transform: translateY(0);
}

.showcase-desc {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    color: var(--text-white-50);
    line-height: 1.8;
    letter-spacing: 0.03em;
    max-height: 200px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.6s ease 0.55s, transform 0.6s ease 0.55s;
}

.showcase-info.active .showcase-desc {
    opacity: 1;
    transform: translateY(0);
}

.showcase-desc::-webkit-scrollbar {
    width: 3px;
}

.showcase-desc::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
}

.showcase-desc-item {
    margin-bottom: 10px;
}

.showcase-desc-label {
    font-family: var(--font-brush);
    font-size: 0.75rem;
    color: rgba(180, 140, 80, 0.6);
    letter-spacing: 0.15em;
    margin-bottom: 3px;
}

.showcase-desc-text {
    color: var(--text-white-50);
}

.showcase-nav {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease, transform 0.5s ease;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.showcase-nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-white-40);
    padding: 10px 20px;
    cursor: pointer;
    font-family: var(--font-serif);
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.showcase-nav-btn:hover {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-white-70);
    background: rgba(255, 255, 255, 0.04);
}

.showcase-nav-btn svg {
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.showcase-nav-btn:hover svg {
    opacity: 0.8;
}

.showcase-back-btn {
    margin-top: 8px;
    border-color: rgba(180, 140, 80, 0.15);
}

.showcase-back-btn:hover {
    border-color: rgba(180, 140, 80, 0.3);
    color: rgba(180, 140, 80, 0.8);
}

.showcase-link-nav-btn {
    border-color: rgba(180, 140, 80, 0.2);
    text-decoration: none;
}

.showcase-link-nav-btn:hover {
    border-color: rgba(180, 140, 80, 0.4);
    color: rgba(180, 140, 80, 0.9);
    background: rgba(180, 140, 80, 0.06);
}

.showcase-link-nav-btn svg {
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.showcase-link-nav-btn:hover svg {
    opacity: 0.8;
}

/* Agent category: bright background for image items */
#layer-grid.cat-agent {
    background: #1a1a2e;
}

#layer-grid.cat-agent .showcase-image {
    opacity: 0.85;
}

#layer-grid.cat-agent .showcase-gradient {
    background: linear-gradient(to right, rgba(0, 0, 0, 0.02) 0%, rgba(0, 0, 0, 0.05) 30%, rgba(0, 0, 0, 0.25) 55%, rgba(0, 0, 0, 0.55) 75%, rgba(0, 0, 0, 0.7) 100%);
}

@media (max-width: 768px) {
    .showcase-right {
        position: absolute;
        right: 0;
        left: 0;
        bottom: 0;
        top: auto;
        width: 100%;
        min-width: 0;
        height: auto;
        max-height: 55vh;
        padding: 28px 24px;
        justify-content: flex-start;
        overflow-y: auto;
    }

    .showcase-gradient {
        background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.5) 50%, rgba(0, 0, 0, 0.05) 100%);
    }

    .showcase-info {
        margin-bottom: 24px;
    }

    .showcase-nav {
        opacity: 1;
        transform: none;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .showcase-nav-btn {
        padding: 8px 14px;
        font-size: 0.65rem;
    }

    .showcase-play-hint {
        left: 50%;
        top: 35%;
    }
}

@media (max-width: 480px) {
    .showcase-right {
        padding: 20px 16px;
        max-height: 60vh;
    }

    .showcase-title {
        font-size: clamp(1.5rem, 6vw, 2.2rem);
    }

    .showcase-play-hint {
        width: 56px;
        height: 56px;
        left: 50%;
        top: 30%;
    }

    .showcase-play-hint svg {
        width: 24px;
        height: 24px;
    }
}

/* C-03: 移动端视频溢出修复 */
.video-wrapper {
    overflow: hidden;
    max-width: 100%;
}

.video-wrapper video {
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    .video-gallery {
        grid-template-columns: 1fr !important;
    }
}