* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body, html {
    height: 100%;
    overflow: hidden;
    font-family: "Microsoft Yahei", sans-serif;
}
.bg-wrap {
    width: 100%;
    height: 100%;
    background-image: url('/style/img/index.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: rgba(0,0,0,0.4);
    background-blend-mode: multiply;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.site-logo {
    position: absolute;
    top: 24px;
    left: 28px;
    width: 64px;
    height: 64px;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3ClinearGradient id='purpleGrad' x1='0%25' y1='0%25' x2='100%25' y2='100%25'%3E%3Cstop offset='0%25' stop-color='%23C084FC' /%3E%3Cstop offset='100%25' stop-color='%237C3AED' /%3E%3C/linearGradient%3E%3ClinearGradient id='cyanGrad' x1='0%25' y1='0%25' x2='100%25' y2='100%25'%3E%3Cstop offset='0%25' stop-color='%2322D3EE' /%3E%3Cstop offset='100%25' stop-color='%230284C7' /%3E%3C/linearGradient%3E%3Cfilter id='glow' x='-30%25' y='-30%25' width='160%25' height='160%25'%3E%3CfeGaussianBlur stdDeviation='3.5' result='blur' /%3E%3CfeComposite in='SourceGraphic' in2='blur' operator='over' /%3E%3C/filter%3E%3C/defs%3E%3Cg transform='translate(50, 50)'%3E%3Ccircle cx='-15' cy='0' r='26' fill='none' stroke='url(%23purpleGrad)' stroke-width='4.5' stroke-dasharray='7,4' opacity='0.95'/%3E%3Ccircle cx='15' cy='0' r='26' fill='none' stroke='url(%23cyanGrad)' stroke-width='4.5' opacity='0.95'/%3E%3Cg filter='url(%23glow)'%3E%3Cpath d='M0 -12 L3 -3 L12 0 L3 3 L0 12 L-3 3 L-12 0 L-3 -3 Z' fill='%23FACC15'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 100%;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.5));
    transition: transform 0.3s ease;
    z-index: 10;
}
.site-logo:hover {
    transform: scale(1.1);
}
.admin-btn {
    position: absolute;
    top: 24px;
    right: 28px;
    width: 44px;
    height: 44px;
    padding: 0;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.12);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='9' r='4'%3E%3C/circle%3E%3Cpath d='M5.5 21a6.5 6.5 0 0 1 13 0'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 20px 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    z-index: 10;
}
.admin-btn:hover {
    background-color: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.main-text {
    color: #ffffff;
    text-align: center;
    animation: floatUp 1.2s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}
.main-text h1 {
    font-size: 42px;
    margin-bottom: 16px;
    letter-spacing: 4px;
}
.main-text p {
    font-size: 18px;
    opacity: 0.85;
    line-height: 1.8;
    margin-bottom: 16px;
}
.visit-count {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    background: rgba(255, 255, 255, 0.12);
    padding: 6px 18px;
    border-radius: 20px;
    display: inline-block;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    letter-spacing: 1px;
}
.visit-count span {
    color: #ffd700;
    font-weight: bold;
    margin: 0 4px;
    transition: all 0.3s ease;
}
.enter-btn {
    padding: 12px 36px;
    font-size: 16px;
    border: 2px solid #ffffff;
    background: transparent;
    color: #fff;
    border-radius: 99px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 2px;
    animation: btnBounce 2.5s ease-in-out infinite 1.2s;
}
.enter-btn:hover {
    background-color: #fff;
    color: #000;
}
.record-info {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.65);
    font-size: 13px;
    letter-spacing: 1px;
}
.record-info a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
}
.record-info a:hover {
    color: #fff;
}
@keyframes floatUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes btnBounce {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}
@media (max-width: 768px) {
    .site-logo {
        top: 16px;
        left: 16px;
        width: 48px;
        height: 48px;
    }
    .admin-btn {
        top: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
    }
    .main-text h1 { font-size: 28px; }
    .main-text p { font-size: 15px; }
    .visit-count { font-size: 12px; padding: 4px 14px; margin-bottom: 24px; }
    .enter-btn { padding: 10px 28px; font-size: 15px; }
    .record-info { bottom: 20px; font-size: 12px; }
}