.feature-card-icon.danmu-icon {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}
.feature-card-btn.dm-start-btn {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    padding: 12px 24px;
    flex-shrink: 0;
}
.feature-card-btn.dm-start-btn:hover {
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}
.dm-form-area { margin-top: 4px; }
.dm-input-row {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}
.dm-textarea {
    flex: 1;
    padding: 14px 16px;
    border: 2px solid rgba(245, 158, 11, 0.2);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    outline: none;
    transition: all 0.3s;
}
.dm-textarea:focus {
    border-color: #f59e0b;
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.1);
}
.dm-settings {
    background: #f8fafc;
    padding: 14px;
    border-radius: 12px;
    margin-bottom: 14px;
}
.dm-setting-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.88rem;
    color: #475569;
}
.dm-setting-row:last-child { margin-bottom: 0; }
.dm-setting-row label {
    width: 80px;
    flex-shrink: 0;
    font-weight: 500;
}
.dm-setting-row input[type="range"] {
    flex: 1;
    accent-color: #f59e0b;
}
.dm-setting-row input[type="color"] {
    width: 40px;
    height: 32px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    cursor: pointer;
    padding: 2px;
}
.dm-setting-row select {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: white;
    outline: none;
    max-width: 180px;
}
.dm-setting-row span {
    min-width: 30px;
    text-align: right;
    font-weight: 600;
    color: #f59e0b;
}
.dm-presets {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.dm-preset-label {
    font-size: 0.85rem;
    color: #64748b;
    flex-shrink: 0;
}
.dm-preset-btn {
    padding: 5px 12px;
    border: 1px solid #f59e0b;
    background: white;
    color: #f59e0b;
    border-radius: 20px;
    font-size: 0.82rem;
    cursor: pointer;
    transition: all 0.25s;
}
.dm-preset-btn:hover {
    background: #f59e0b;
    color: white;
    transform: translateY(-1px);
}
.dm-fullscreen-bar {
    text-align: center;
}
.feature-card-btn.dm-fs-btn {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    padding: 12px 28px;
}
.feature-card-btn.dm-fs-btn:hover {
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.35);
}
.dm-fullscreen-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    display: none;
    overflow: hidden;
}
.dm-fullscreen-container.active {
    display: block;
    animation: dmFadeIn 0.3s;
}
@keyframes dmFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.dm-fullscreen-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.3rem;
    z-index: 10;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}
.dm-fullscreen-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}
.dm-fullscreen-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    overflow: hidden;
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
}
.dm-fullscreen-content.vertical {
    flex-direction: column;
    white-space: normal;
    text-align: center;
}
.dm-fullscreen-content.dm-flashing {
    animation: dmFlash 0.4s infinite;
}
@keyframes dmFlash {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.2; }
}
.dm-fullscreen-content .dm-text {
    display: inline-block;
    padding: 0 40px;
    line-height: 1.2;
    text-shadow: 0 0 20px currentColor, 0 0 40px currentColor;
    white-space: nowrap;
}
.dm-fullscreen-content.vertical .dm-text {
    white-space: pre-wrap;
    padding: 20px;
}
.dm-fullscreen-content.static .dm-text {
    animation: none !important;
    white-space: pre-wrap;
    text-align: center;
}
.dm-fullscreen-content.blink .dm-text {
    animation: dmBlink 0.8s infinite;
}
@keyframes dmBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.15; }
}