.beian {
    text-align: center;
    font-size: 0.8rem;
    color: #666;
    padding: 1rem 0;
    opacity: 0.8;
    position: absolute;
    bottom: 2rem;
    left: 0;
    width: 100%;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }
}

.logo img {
    max-width: 200px;
    height: auto;
    border-radius: 10px;
    transition: all 0.5s ease;
    opacity: 0;
    transform: scale(0.95) translateY(10px);
    animation: logoFadeIn 0.6s ease forwards 0.2s;
}

@keyframes logoFadeIn {
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.logo img:hover {
    transform: scale(1.05) rotate(1deg);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.25);
    filter: brightness(1.05);
}

.content {
    text-align: center;
    padding: 0 2rem;
    max-width: 600px;
}

h1 {
    font-size: 3rem;
    background: linear-gradient(90deg, #2980b9 0%, #3498db 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    /* margin-bottom: 2.8rem; */
    text-shadow: 0 0 15px rgba(52, 152, 219, 0.3), 0 2px 10px rgba(52, 152, 219, 0.2);
    letter-spacing: 0.8px;
    font-weight: 700;
    transition: transform 0.3s ease, text-shadow 0.3s ease;
    line-height: 1.2;
    animation: textPulse 3s infinite alternate;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    margin-top: auto;
}

@keyframes textPulse {
    from { text-shadow: 0 0 15px rgba(52, 152, 219, 0.3), 0 2px 10px rgba(52, 152, 219, 0.2); }
    to { text-shadow: 0 0 20px rgba(52, 152, 219, 0.4), 0 2px 15px rgba(52, 152, 219, 0.3); }
}

h1:hover {
    transform: scale(1.02);
}

.company-btn {
    padding: 0.9rem 2.2rem;
    font-size: 1.25rem;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.2), inset 0 1px 3px rgba(255,255,255,0.2);
    transform: perspective(1px) translateZ(0);
}

.company-btn span {
    display: inline-block;
    transition: transform 0.3s ease;
}

.company-btn:hover span {
    transform: scale(1.05);
}

.company-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%) scale(0);
    border-radius: 50%;
    transition: transform 0.5s;
}

.company-btn:active::after {
    transform: translate(-50%, -50%) scale(1);
}

.company-btn:focus {
    outline: 3px solid rgba(52, 152, 219, 0.5);
    outline-offset: 2px;
    box-shadow: 0 0 0 5px rgba(52, 152, 219, 0.2);
}

.company-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 12px rgba(52, 152, 219, 0.4);
}

body {
    margin: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    background-size: 200% 200%;
    animation: gradientShift 20s ease infinite, patternMove 40s linear infinite;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%239C92AC' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    scroll-behavior: smooth;
}

@keyframes patternMove {
    from { background-position: 0 0; }
    to { background-position: 100px 100px; }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}