/* ===== 启动页 ===== */
#welcomeScreen {
    background: transparent;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex: 1;
    overflow-y: auto;
}

.welcome-avatar {
    font-size: 80px;
    animation: float 3s ease-in-out infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 150px;
    height: 150px;
    background: rgba(255,255,255,0.5);
    border-radius: 50%;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.8);
    box-shadow: 0 8px 32px rgba(180,120,200,0.2), inset 0 1px 0 rgba(255,255,255,0.9);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.welcome-title {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #e879f9 0%, #f472b6 50%, #fb923c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(232,121,249,0.5));
}

.welcome-subtitle {
    font-size: 14px;
    color: rgba(130,80,170,0.85);
    text-align: center;
}

.welcome-input-group {
    width: 100%;
    max-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.welcome-input {
    padding: 12px 16px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 25px;
    font-size: 13px;
    text-align: center;
    outline: none;
    transition: all 0.3s;
    background: rgba(255,255,255,0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #6b3fa0;
}
.welcome-input::placeholder { color: rgba(160,120,200,0.7); }
.welcome-input:focus {
    border-color: rgba(192,132,252,0.8);
    box-shadow: 0 0 20px rgba(192,132,252,0.2);
    background: rgba(255,255,255,0.7);
}

.welcome-button {
    padding: 12px 32px;
    background: linear-gradient(135deg, rgba(192,132,252,0.75) 0%, rgba(244,114,182,0.7) 100%);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(186,85,211,0.4);
}
.welcome-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(186,85,211,0.3);
}