:root {
    --bg-color: #0d0d0d;
    --card-bg: #1f1f1f;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-color: #ffaa00;
    --header-height: 50px;
    --bottom-height: 60px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
    outline: none;
    -webkit-touch-callout: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    padding-top: calc(var(--header-height) + env(safe-area-inset-top));
    padding-bottom: calc(var(--bottom-height) + env(safe-area-inset-bottom));
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: calc(var(--header-height) + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 15px;
    padding-right: 15px;
    z-index: 100;
    border-bottom: 1px solid #333;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.header-left, .header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-left i, .header-right i {
    font-size: 20px;
    color: #ccc;
}

.logo {
    font-weight: 900;
    font-size: 22px;
    color: #fff;
    letter-spacing: 0.5px;
    font-style: italic;
    background: -webkit-linear-gradient(#fff, #ccc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo span {
    background: linear-gradient(45deg, #ffaa00, #ff7700);
    color: #000;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 2px;
    font-size: 14px;
    vertical-align: middle;
    text-shadow: none;
    -webkit-text-fill-color: #000;
}

.notice-bar {
    background-color: #222;
    color: #ffaa00;
    font-size: 12px;
    padding: 8px 10px;
    white-space: nowrap;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid #333;
    box-shadow: inset 0 -2px 5px rgba(0,0,0,0.2);
}

.notice-content {
    display: inline-block;
    animation: marquee 20s linear infinite;
    padding-left: 100%;
}

@keyframes marquee {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-150%, 0); }
}

.container {
    padding: 10px;
    padding-bottom: 20px;
}

.section-title {
    font-size: 15px;
    font-weight: bold;
    margin: 15px 0 10px 5px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #eee;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    width: 100%;
}

@media (max-width: 340px) {
    .video-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}

@media (min-width: 550px) and (max-width: 767px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 15px;
    }
    
    .container {
        max-width: 1200px;
        margin: 0 auto;
    }
}

.video-card {
    background-color: var(--card-bg);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.4);
    transition: transform 0.1s;
    animation: fadeIn 0.5s ease-out;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.video-card:active {
    transform: scale(0.98);
}

.thumbnail-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background-color: #000;
}

.thumbnail-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .thumbnail-wrapper img {
    transform: scale(1.05);
}

.video-overlay-hd {
    position: absolute;
    top: 6px;
    right: 6px;
    background: linear-gradient(45deg, #ffcc00, #ffaa00);
    color: #000;
    font-size: 9px;
    padding: 2px 5px;
    border-radius: 3px;
    font-weight: 800;
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
    z-index: 2;
}

.video-overlay-vip {
    position: absolute;
    top: 6px;
    left: 6px;
    background: linear-gradient(45deg, #ff4757, #ff6b81);
    color: #fff;
    font-size: 9px;
    padding: 2px 5px;
    border-radius: 3px;
    font-weight: 800;
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
    z-index: 2;
}

.video-overlay-time {
    position: absolute;
    bottom: 6px;
    right: 6px;
    background-color: rgba(0,0,0,0.75);
    color: #fff;
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 3px;
    z-index: 2;
}

.video-info {
    padding: 8px;
}

.video-title {
    font-size: 13px;
    line-height: 1.4;
    height: 36px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    color: #ddd;
    margin-bottom: 6px;
}

.video-tags {
    display: flex;
    gap: 4px;
    margin-bottom: 6px;
}

.tag {
    font-size: 9px;
    padding: 1px 4px;
    border-radius: 2px;
    background-color: #333;
    color: #888;
}

.tag.hot {
    background-color: rgba(255, 71, 87, 0.2);
    color: #ff4757;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: #666;
}

.loading-more {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 13px;
    cursor: pointer;
    margin: 10px 0;
    border-radius: 6px;
    transition: all 0.2s;
    opacity: 0.8;
}

.loading-more:active {
    opacity: 0.5;
    transform: scale(0.98);
}

.player-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #111;
    z-index: 500;
    display: none;
    flex-direction: column;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

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

.player-header {
    height: calc(50px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 15px;
    padding-right: 15px;
    color: #fff;
    background-color: #1a1a1a;
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 10;
}

.player-container {
    width: 100%;
    padding-top: 56.25%;
    background-color: #000;
    position: relative;
}

.player-video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.player-loading {
    text-align: center;
    color: var(--accent-color);
}

.player-loading i {
    font-size: 32px;
    margin-bottom: 12px;
}

.player-controls-fake {
    padding: 12px;
    background-color: #1a1a1a;
    border-bottom: 1px solid #333;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background-color: #333;
    margin-bottom: 12px;
    position: relative;
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    width: 0%;
    height: 100%;
    background-color: var(--accent-color);
    transition: width 0.2s;
}

.control-icons {
    display: flex;
    justify-content: space-between;
    color: #fff;
    font-size: 18px;
}

.player-details {
    padding: 15px;
    background-color: #1a1a1a;
    margin-bottom: 10px;
}

.player-main-title {
    font-size: 16px;
    color: #fff;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.4;
}

.player-stats {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: #888;
}

.comments-section {
    background-color: #1a1a1a;
    padding: 15px;
    margin-bottom: 10px;
}

.section-header {
    font-size: 14px;
    color: #fff;
    border-left: 3px solid var(--accent-color);
    padding-left: 8px;
    margin-bottom: 15px;
}

.comment-item {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.avatar {
    width: 32px;
    height: 32px;
    background-color: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #666;
}

.comment-content {
    flex: 1;
}

.user-name {
    font-size: 12px;
    color: #888;
    margin-bottom: 3px;
}

.user-text {
    font-size: 13px;
    color: #ddd;
    line-height: 1.4;
}

.recommendations {
    background-color: #1a1a1a;
    padding: 15px;
    padding-bottom: calc(80px + env(safe-area-inset-bottom));
}

.sticky-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: calc(var(--bottom-height) + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(20, 20, 20, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 15px;
    padding-right: 15px;
    border-top: 1px solid #333;
    z-index: 90;
    box-shadow: 0 -5px 15px rgba(0,0,0,0.5);
    animation: slideUp 0.5s ease-out;
}

.footer-text {
    flex: 1;
}

.footer-title {
    color: #fff;
    font-size: 14px;
    font-weight: bold;
}

.footer-sub {
    color: var(--accent-color);
    font-size: 12px;
    animation: textPulse 1.5s infinite alternate;
}

@keyframes textPulse {
    from { opacity: 0.7; }
    to { opacity: 1; }
}

.footer-btn {
    background: linear-gradient(45deg, #ffaa00, #ff7700);
    color: #000;
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    box-shadow: 0 0 10px rgba(255, 170, 0, 0.4);
    animation: btnPulse 1.5s infinite;
}

@keyframes btnPulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 170, 0, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(255, 170, 0, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 170, 0, 0); }
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    display: flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
    justify-content: center;
    -webkit-justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: #252525;
    width: 85%;
    max-width: 320px;
    max-height: 90vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 0 40px rgba(0,0,0,0.8);
    border: 1px solid #444;
    transform: scale(0.9);
    -webkit-transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    -webkit-transition: -webkit-transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
    -webkit-transform: scale(1);
}

.modal-header {
    padding: 15px;
    background: linear-gradient(to right, #2c2c2c, #222);
    border-bottom: 1px solid #333;
    position: relative;
}

.modal-header h3 {
    font-size: 16px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.close-btn {
    position: absolute;
    right: 15px;
    top: 15px;
    font-size: 22px;
    color: #888;
    cursor: pointer;
    line-height: 1;
}

.modal-body {
    padding: 30px 25px;
}

.vip-badge {
    background: linear-gradient(45deg, #ffd700, #ffaa00);
    color: #000;
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 15px;
    box-shadow: 0 4px 10px rgba(255, 215, 0, 0.3);
}

.modal-title {
    font-size: 18px;
    color: #fff;
    margin-bottom: 8px;
    font-weight: bold;
}

.sub-text {
    color: #aaa;
    font-size: 13px;
    margin-bottom: 25px;
    line-height: 1.5;
}

.action-btn {
    display: block;
    width: 100%;
    padding: 14px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    border: none;
    cursor: pointer;
    margin-top: 10px;
    transition: transform 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.action-btn:active {
    transform: scale(0.96);
}

.download-btn {
    background: linear-gradient(45deg, #ffaa00, #ff5500);
    color: white;
    box-shadow: 0 8px 20px rgba(255, 85, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.download-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.share-btn {
    background-color: #333;
    color: white;
    border: 1px solid #444;
}

.safe-tip {
    font-size: 11px;
    color: #55b759;
    margin-top: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    opacity: 0.9;
}

.toast {
    position: fixed;
    bottom: calc(80px + env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background-color: rgba(30, 30, 30, 0.95);
    color: #fff;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 14px;
    pointer-events: none;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    z-index: 2000;
    text-align: center;
    width: auto;
    max-width: 90%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 1px solid #444;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}