* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    margin: 0;
    font-family: 'Segoe UI', 'Arial', sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
}
.boss-content {
    display: flex;
    width: 92%;
    max-width: 1700px;
    margin: 80px auto;
    gap: 30px;
    position: relative;
    z-index: 10;
    min-height: 80vh;
    align-items: flex-start;
}
.markdown-column {
    flex: 0.7;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    border: 1px solid #ffcc44;
    max-height: 85vh;
    overflow-y: auto;
    color: #e0e0e0;
    font-family: 'Segoe UI', sans-serif;
    font-size: 0.9rem;
    line-height: 1.5;
}
.video-column {
    flex: 1.3;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    padding: 20px;
    border: 1px solid #ffcc44;
}
.markdown-column h1 {
    color: #ffcc44;
    font-size: 1.8rem;
    margin-bottom: 20px;
    border-bottom: 2px solid #ffcc44;
    padding-bottom: 8px;
}
.markdown-column p {
    margin-bottom: 12px;
}
.markdown-column .role-tag {
    display: inline-block;
    background: rgba(255,200,68,0.2);
    border: 1px solid #ffcc44;
    border-radius: 15px;
    padding: 2px 10px;
    font-size: 0.7rem;
    font-weight: bold;
    margin-right: 8px;
    color: #ffcc44;
}
.video-container {
    background: #000;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}
.video-container video {
    width: 100%;
    height: auto;
    display: block;
}
.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    padding: 15px;
    display: flex;
    justify-content: center;
    gap: 10px;
    opacity: 0;
    transition: opacity 0.3s;
}
.video-container:hover .video-controls { opacity: 1; }
.video-btn {
    background: rgba(0,0,0,0.7);
    border: 1px solid #ffcc44;
    color: #ffcc44;
    padding: 8px 18px;
    border-radius: 30px;
    cursor: pointer;
    font-family: monospace;
    font-size: 0.85rem;
    transition: 0.2s;
}
.video-btn:hover { background: #ffcc44; color: #000; }
.video-title {
    position: absolute;
    top: 10px;
    left: 15px;
    background: rgba(0,0,0,0.7);
    color: #ffcc44;
    padding: 5px 14px;
    border-radius: 20px;
    font-family: monospace;
    font-size: 0.85rem;
    pointer-events: none;
    z-index: 5;
}
.video-quality-switch {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    gap: 8px;
    z-index: 7;
}
.video-quality-btn {
    appearance: none;
    border: 2px solid #1d5c88;
    background: rgba(11,20,35,0.92);
    color: #78c8ff;
    border-radius: 999px;
    padding: 9px 16px;
    cursor: pointer;
    font: 700 0.82rem/1 "Segoe UI", Arial, sans-serif;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    box-shadow: 0 8px 20px rgba(0,0,0,0.28);
}
.video-quality-btn:hover {
    transform: translateY(-1px);
    border-color: #49b8ff;
    color: #bce7ff;
}
.video-quality-btn.is-active {
    background: #49b8ff;
    color: #082033;
    border-color: #8dd9ff;
}
.video-activate-btn {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 92px;
    height: 92px;
    border-radius: 999px;
    border: 2px solid rgba(255, 204, 68, 0.9);
    background: rgba(0, 0, 0, 0.72);
    color: #ffcc44;
    font-size: 2.15rem;
    line-height: 1;
    cursor: pointer;
    z-index: 6;
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.34);
    transition: transform 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}
.video-activate-btn:hover {
    transform: translate(-50%, -50%) scale(1.05);
    background: rgba(0, 0, 0, 0.82);
}
.video-activate-btn.is-hidden {
    opacity: 0;
    pointer-events: none;
}
.video-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
    justify-content: center;
}
.video-list-btn {
    background: rgba(0,0,0,0.6);
    border: 1px solid #4ec0ff;
    color: #4ec0ff;
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.7rem;
    transition: 0.2s;
}
.video-list-btn:hover,
.video-list-btn.active {
    background: #4ec0ff;
    color: #000;
    border-color: #ffcc44;
}
.album-player {
    margin-top: 20px;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}
.album-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.album-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}
.play-btn-overlay {
    width: 60px;
    height: 60px;
    background: rgba(255,200,68,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #000;
    transition: transform 0.2s ease;
    cursor: pointer;
    border: none;
}
.album-label {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(0,0,0,0.6);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    color: #ffcc44;
    font-family: monospace;
    backdrop-filter: blur(4px);
}
.back-button {
    position: fixed;
    top: 20px;
    left: 20px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(5px);
    border: 1px solid #ffcc44;
    color: #ffcc44;
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-family: monospace;
    transition: 0.2s;
    text-align: center;
    font-weight: bold;
    z-index: 100;
}
.back-button:hover { background: #ffcc44; color: #000; }
@media (max-width: 1000px) {
    .boss-content { flex-direction: column; width: 95%; margin: 100px auto 40px; }
    .markdown-column { max-height: 50vh; flex: 1; }
    .video-column { flex: 1; }
    .album-player { max-width: 300px; }
}
@media (max-width: 768px) {
    .video-quality-switch {
        top: 12px;
        right: 12px;
        gap: 6px;
    }
    .video-quality-btn {
        padding: 8px 12px;
        font-size: 0.74rem;
    }
    .video-activate-btn {
        width: 76px;
        height: 76px;
        font-size: 1.8rem;
    }
}