* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: linear-gradient(135deg, #7907e0 0, #670eb9 100%);
    min-height: 100vh;
    padding-top: 20px
}

::-webkit-scrollbar {
    width: 6px;
    height: 8px;
    border-radius: 3px;
    background-color: #7907e0;
}

::-webkit-scrollbar-thumb {
    border-radius: 3px;
    background-color: #bbbbbb;
}

header {
    display: flex;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
    font-weight: 700
}

.logo {
    margin-left: 1.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .2);
}

.category-grid {
    display: grid;
    gap: 1.2rem;
    margin: 1.5rem auto;
    padding: 0 1.5rem
}

.category-card {
    background: rgba(255, 255, 255, .1);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    padding: 1.2rem;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .2);
    cursor: move
}

.category-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem
}

.category-icon {
    font-size: 1.5rem;
    margin-right: .5rem
}

#addBtn, .top-icon {
    margin-left: auto;
    cursor: pointer;
    font-size: 1rem
}

#addSiteDiv {
    text-align: right
}

button, input {
    background: rgba(255, 255, 255, .1);
    border: none;
    border-radius: 8px;
    padding: .5rem;
    color: #fff;
    height: 40px;
    margin: .2rem
}

input::placeholder {
  color: #fff;
  opacity: 1; 
}

.category-name {
    font-size: 1.1rem
}

.site-grid {
    display: grid;
    grid-template-columns:repeat(10, 1fr);
    gap: .5rem
}

.site-link {
    display: block;
    padding: .6rem .2rem;
    background: rgba(255, 255, 255, .1);
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    transition: all .3s ease;
    text-align: center;
    font-size: .7rem
}

.site-link:hover {
    background: rgba(255, 255, 255, .2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, .2)
}

.search-box {
    width: 550px;
    margin-left: auto;
    margin-right: 1.5rem;
    z-index: 9999;
    position: relative;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.search-header {
    text-align: center;
    margin-bottom: 20px;
}

.search-header h1 {
    color: white;
    font-size: 24px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.search-input {
    display: flex;
    align-items: center;
    gap: 10px;
}

.engine-select {
    position: relative;
}

.engine-btn {
    color: purple;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 20px;
    padding: 12px 15px;
    color: white;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    min-width: 120px;
    text-align: left;
}

.engine-btn:hover {
    background: rgba(255, 255, 255, 0.35);
}

.engine-dropdown {width:160px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 15px;
    padding: 10px 0;
    margin-top: 5px;
    z-index: 1000;
    display: none;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
}

.engine-dropdown.show {
    display: block;
}

.engine-option {
    color: #5e04ba;
    padding: 10px 15px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-radius: 10px;
    margin: 0 5px;
}

.engine-option:hover {
    background: rgba(102, 126, 234, 0.2);
}

.search-input-box {
    flex: 1;
    position: relative;
}

.search-input-box input {
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
}

.search-input-box input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-input-box input:focus {
    background: rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.search-btn {
    background: rgba(255, 255, 255, 0.25);
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transform: scaleX(-1);
}

.search-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .search-input {
        flex-direction: column;
    }

    .engine-select {
        width: 100%;
    }

    .search-input-box {
        width: 100%;
    }

    .search-btn {
        align-self: flex-end;
        margin-top: 10px;
    }
}

.footer {
    background: rgba(0, 0, 0, .2);
    color: #bebebe;
    text-align: center;
    padding: 2.5rem;
    margin-top: 3rem;
    font-size: 0.9rem;
}

@media (max-width: 1200px) {
    .site-grid {
        grid-template-columns:repeat(4, 1fr)
    }
}

@media (max-width: 900px) {
    .site-grid {
        grid-template-columns:repeat(3, 1fr)
    }
}

@media (max-width: 700px) {
    .nav-categories {
        margin: 1rem auto;
        padding: 0 1rem
    }

    .site-grid {
        grid-template-columns:repeat(2, 1fr)
    }
}