*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#f5f7fa;color:#333}
.navbar{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.08);position:sticky;top:0;z-index:100}
.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;flex-direction:column}
.nav-top{display:flex;align-items:center;justify-content:space-between;height:56px;width:100%}
.nav-bottom{display:flex;align-items:center;justify-content:space-between;height:44px;width:100%;border-top:1px solid #f0f0f0}
.nav-logo{font-size:24px;font-weight:700;color:#6c5ce7;text-decoration:none;margin-right:0;padding-right:0;display:flex;align-items:flex-end;gap:8px}
.nav-logo-img{height:26px;width:auto;border-radius:4px;display:block}
.nav-logo-text{font-size:12px;font-weight:400;color:#999;white-space:nowrap}
.nav-links{display:flex;gap:24px;flex-shrink:0;align-items:center}
.nav-link{color:#555;text-decoration:none;font-size:15px;transition:all .2s;padding:6px 12px;border-radius:8px}
.nav-link:hover{color:#6c5ce7;background:#f0edff}
.nav-link.active{color:#fff;background:#6c5ce7}
.nav-user{color:#6c5ce7;display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:#f0edff;transition:background .2s}
.nav-user:hover{background:#6c5ce7;color:#fff}
.nav-search{display:flex;gap:8px;flex-shrink:0}
.nav-search input{padding:8px 12px;border:1px solid #ddd;border-radius:8px;font-size:14px;width:200px}
.nav-search button{padding:8px 16px;background:#6c5ce7;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px}
.container{max-width:1200px;margin:0 auto;padding:30px 20px}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-bottom:30px}
.tool-card{position:relative;background:#fff;border-radius:12px;padding:16px;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:transform .2s,box-shadow .2s}
.tool-card:hover{transform:translateY(-2px);box-shadow:0 4px 44px rgba(0,0,0,.1)}
.tool-card-main{display:flex;gap:12px;align-items:flex-start}
.tool-icon{width:48px;height:48px;border-radius:8px;background:#f0f0f0;flex-shrink:0;overflow:hidden;display:flex;align-items:center;justify-content:center}
.tool-icon img{width:48px;height:48px;border-radius:8px;object-fit:cover}
.tool-icon .icon-fallback{width:48px;height:48px;border-radius:8px;background:#6c5ce7;color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700}
.tool-info{flex:1;min-width:0}
.tool-info h3{font-size:16px;margin-bottom:4px}
.tool-info h3 a{color:#333;text-decoration:none}
.tool-info h3 a:hover{color:#6c5ce7}
.tool-info p{font-size:13px;color:#888;line-height:1.5}
.tool-meta{font-size:12px;color:#aaa;display:flex;gap:12px;margin-bottom:4px}
.rating{color:#f39c12}

h2{font-size:20px;margin-bottom:16px;border-left:4px solid #6c5ce7;padding-left:12px}
.prompt-card{background:#fff;border-radius:12px;padding:20px;margin-bottom:16px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.prompt-card h3{font-size:16px;margin-bottom:6px}
.prompt-cat{color:#6c5ce7;font-size:13px;margin-bottom:10px}
.prompt-text{background:#f5f7fa;padding:12px;border-radius:8px;font-size:14px;line-height:1.6;margin-bottom:10px;white-space:pre-wrap}
.copy-btn{padding:6px 16px;background:#6c5ce7;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:13px}
.copy-btn:hover{background:#5b4bc7}
.submit-form{max-width:500px;display:flex;flex-direction:column;gap:12px}
.submit-form input,.submit-form select{padding:10px 14px;border:1px solid #ddd;border-radius:8px;font-size:1px}
.submit-form button{padding:10px 20px;background:#6c5ce7;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:15px}
.footer{text-align:center;padding:30px;color:#aaa;font-size:13px}
.tool-visit{position:absolute;top:12px;right:12px}
.tool-visit a{display:inline-block;padding:4px 12px;background:#6c5ce7;color:#fff;text-decoration:none;border-radius:6px;font-size:13px}
.tool-visit a:hover{background:#5b4bc7}
.tool-detail{background:#fff;border-radius:12px;padding:30px;box-shadow:0 2px 8px rgba(0,0,0,.06);margin-bottom:30px}
.detail-header{display:flex;align-items:center;gap:20px;margin-bottom:24px;flex-wrap:wrap}
.detail-actions{display:flex;gap:12px;align-items:center;margin-left:auto;flex-shrink:0}
.detail-icon{width:80px;height:80px;border-radius:12px}
.detail-title h1{font-size:24px;margin-bottom:4px}
.detail-cat{color:#6c5ce7;font-size:14px}
.visit-btn{margin-left:auto;padding:10px 24px;background:#6c5ce7;color:#fff;text-decoration:none;border-radius:8px;font-size:15px}
.visit-btn:hover{background:#5b4bc7}
.detail-info{display:flex;gap:30px;padding:20px 0;border-top:1px solid #eee;border-bottom:1px solid #eee;margin-bottom:24px}
.info-item{display:flex;flex-direction:column}
.info-item .label{font-size:12px;color:#aaa;margin-bottom:4px}
.info-item .value{font-size:15px}
.detail-desc h2{font-size:18px;margin-bottom:12px;border-left:4px solid #6c5ce7;padding-left:12px}
.detail-desc p{font-size:15px;line-height:1.8;color:#555}
.related{margin-top:30px}
.fav-btn{margin-left:8px;padding:10px 20px;background:#fff;color:#6c5ce7;border:1px solid #6c5ce7;border-radius:8px;cursor:pointer;font-size:15px;text-decoration:none;display:inline-block}
.fav-btn:hover{background:#6c5ce7;color:#fff}
.fav-btn.favorited{background:#6c5ce7;color:#fff}
@media(max-width:768px){.nav-container{padding:0 12px}.nav-top{height:48px}.nav-bottom{height:auto;flex-direction:column;gap:8px;padding:8px 0}.nav-links{width:100%;justify-content:center;gap:12px;flex-wrap:wrap}.nav-link{font-size:14px}.nav-search{width:100%}.nav-search input{width:100%;flex:1}.nav-logo-text{font-size:10px}}
@media(max-width:768px){.tools-grid{grid-template-columns:1fr;gap:10px}.tool-card{padding:10px;border-radius:10px}.tool-card-main{gap:10px}.tool-icon{width:40px;height:40px}.tool-icon img{width:40px;height:40px}.tool-icon .icon-fallback{width:40px;height:40px;font-size:18px}.tool-info h3{font-size:14px;margin-bottom:2px}.tool-meta{font-size:11px;gap:8px;margin-bottom:2px}.tool-info p{font-size:12px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tool-visit{top:10px;right:10px}.tool-visit a{padding:3px 10px;font-size:12px}}
.detail-comments{margin-top:24px}
.detail-comments h2{font-size:18px;margin-bottom:16px}
.comment-form{background:#f9f9fa;border-radius:12px;padding:16px;margin-bottom:20px}
.rating-input{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:14px;color:#666}
.stars{display:flex;gap:4px}
.stars .star{font-size:22px;color:#ddd;cursor:pointer;transition:color .2s}
.stars .star.active{color:#f39c12}
.comment-form textarea{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:8px;font-size:14px;resize:vertical;margin-bottom:10px;font-family:inherit}
.btn-comment{padding:8px 20px;background:#6c5ce7;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px}
.btn-comment:hover{background:#5b4bd5}
.comment-login-hint{text-align:center;padding:20px;color:#999;font-size:14px}
.comment-login-hint a{color:#6c5ce7}
.comment-list{display:flex;flex-direction:column;gap:16px}
.comment-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid #f0f0f0}
.comment-avatar{width:36px;height:36px;border-radius:50%;background:#6c5ce7;color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;flex-shrink:0}
.comment-body{flex:1}
.comment-meta{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.comment-user{font-weight:600;font-size:14px;color:#333}
.comment-stars{color:#f39c12;font-size:13px}
.comment-date{color:#aaa;font-size:12px}
.comment-text{font-size:14px;line-height:1.6;color:#555}
.no-comments{text-align:center;color:#aaa;padding:20px;font-size:14px}
.profile-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.profile-tabs a{padding:8px 16px;background:#fff;border-radius:8px;text-decoration:none;color:#666;font-size:14px}
.profile-tabs a.active{background:#6c5ce7;color:#fff}
.profile-card{background:#fff;border-radius:12px;padding:20px;margin-bottom:16px;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.profile-card h3{font-size:16px;margin-bottom:12px}
.stat-chart{display:flex;align-items:flex-end;gap:4px;height:120px;margin-top:16px}
.stat-chart .bar{flex:1;background:#6c5ce7;border-radius:4px 4px 0 0;min-height:4px;position:relative}
.stat-chart .bar:hover{background:#5b4bd5}
.stat-chart .bar span{position:absolute;bottom:-20px;left:50%;transform:translateX(-50%);font-size:10px;color:#999;white-space:nowrap}
.submit-intro{color:#888;font-size:14px;margin-bottom:20px;line-height:1.6}
.submit-form .form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.submit-form label{font-size:15px;font-weight:600;color:#333}
.submit-form input,.submit-form select,.submit-form textarea{padding:10px 14px;border:1px solid #ddd;border-radius:8px;font-size:14px;font-family:inherit;transition:border-color .2s}
.submit-form input:focus,.submit-form select:focus,.submit-form textarea:focus{outline:none;border-color:#6c5ce7}
.submit-form textarea{resize:vertical;min-height:80px}
.form-hint{font-size:12px;color:#aaa;line-height:1.4}
.submit-btn{padding:12px 28px;background:#6c5ce7;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:15px;font-weight:600;transition:background .2s;margin-top:8px}
.submit-btn:hover{background:#5b4bc7}
.alert{padding:12px 20px;border-radius:8px;margin-bottom:20px;font-size:14px}
.alert-success{background:#e8f5e9;color:#2e7d32;border:1px solid #c8e6c9}
.alert-error{background:#fdedee;color:#c62828;border:1px solid #f5c2c7}
.icon-input-group{display:flex;gap:8px}
.icon-input-group input{flex:1}
#auto-icon-btn{padding:10px 16px;background:#f0f0f0;color:#6c5ce7;border:1px solid #ddd;border-radius:8px;cursor:pointer;font-size:13px;white-space:nowrap;transition:background .2s}
#auto-icon-btn:hover{background:#6c5ce7;color:#fff;border-color:#6c5ce7}
.icon-preview{margin-top:8px;min-height:48px;display:flex;align-items:center;gap:8px}
.icon-preview img{width:48px;height:48px;border-radius:8px;object-fit:cover;border:1px solid #eee}
.preview-error{font-size:12px;color:#e74c3c}
.badge{position:absolute;top:12px;left:12px;padding:2px 8px;border-radius:4px;font-size:11px;color:#fff;z-index:2}
.badge-hot{background:#e74c3c}
.badge-new{background:#27ae60}
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:20px;padding:12px;background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.filter-tab{padding:6px 16px;border-radius:20px;font-size:13px;color:#666;text-decoration:none;background:#f5f5f5;transition:all .2s}
.filter-tab:hover{color:#6c5ce7}
.filter-tab.active{background:#6c5ce7;color:#fff}
.sort-bar{margin-left:auto;display:flex;gap:6px}
.sort-btn{padding:4px 12px;border-radius:6px;font-size:12px;color:#999;text-decoration:none;background:#f0f0f0;transition:all .2s}
.sort-btn:hover{color:#6c5ce7}
.sort-btn.active{background:#6c5ce7;color:#fff}
.ranking-list{display:flex;flex-direction:column;gap:12px}
.ranking-item{display:flex;align-items:center;gap:16px;padding:16px;background:#fff;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:transform .2s}
.ranking-item:hover{transform:translateX(4px)}
.ranking-item.rank-top{border-left:4px solid #6c5ce7}
.rank-num{font-size:20px;font-weight:700;color:#ccc;width:32px;text-align:center;flex-shrink:0}
.rank-top .rank-num{color:#6c5ce7}
.rank-icon{border-radius:8px;flex-shrink:0;width:40px;height:40px;object-fit:cover}
.rank-info{flex:1;min-width:0}
.rank-info h3{font-size:15px;margin-bottom:4px}
.rank-info h3 a{color:#333;text-decoration:none}
.rank-info h3 a:hover{color:#6c5ce7}
.rank-info p{font-size:12px;color:#888;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-meta{display:flex;flex-direction:column;gap:4px;font-size:12px;color:#aaa;text-align:right;flex-shrink:0}
.rank-visit{padding:6px 14px;background:#6c5ce7;color:#fff;text-decoration:none;border-radius:6px;font-size:13px;flex-shrink:0}
.rank-visit:hover{background:#5b4bc7}
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-bottom:30px}
.news-list{display:flex;flex-direction:column;gap:16px;margin-bottom:30px}
.news-card{display:flex;gap:16px;background:#fff;border-radius:12px;padding:16px;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:transform .2s}
.news-card:hover{transform:translateY(-2px)}
.news-img{width:120px;height:80px;border-radius:8px;object-fit:cover;flex-shrink:0}
.news-content{flex:1;min-width:0}
.news-content h3{font-size:15px;margin-bottom:6px}
.news-content h3 a{color:#333;text-decoration:none}
.news-content h3 a:hover{color:#6c5ce7}
.news-content p{font-size:13px;color:#888;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-date{font-size:12px;color:#aaa;margin-top:6px;display:block}
.news-detail{max-width:800px;margin:0 auto}
.news-detail h1{font-size:24px;margin-bottom:12px}
.news-meta{display:flex;gap:20px;font-size:13px;color:#aaa;margin-bottom:20px}
.news-detail-img{width:100%;border-radius:12px;margin-bottom:24px}
.news-body{font-size:15px;line-height:1.8;color:#555}
.back-link{display:inline-block;margin-bottom:16px;color:#6c5ce7;text-decoration:none;font-size:14px}
.empty-tip{text-align:center;padding:40px;color:#aaa;font-size:15px}
.detail-screenshot{margin-bottom:24px}
.screenshot-img{width:100%;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,.1)}
.detail-tutorial{margin-bottom:24px}
.tutorial-steps{display:flex;flex-direction:column;gap:16px}
.tutorial-step{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#f5f7fa;border-radius:8px}
.step-num{width:28px;height:28px;border-radius:50%;background:#6c5ce7;color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}
.tutorial-step p{font-size:14px;color:#555;margin:0}

/* ===== 回到顶部按钮 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: #6c5ce7;
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(108,92,231,0.3);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background: #5a4bd1;
    transform: translateY(-2px);
}

/* ===== Hero Banner ===== */
.hero {
    background: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    padding: 48px 24px;
    text-align: center;
    color: #fff;
    margin-bottom: 32px;
    border-radius: 0 0 24px 24px;
}
.hero h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}
.hero p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 24px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
.hero-search {
    display: flex;
    max-width: 480px;
    margin: 0 auto;
    gap: 0;
}
.hero-search input {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 12px 0 0 12px;
    font-size: 16px;
    outline: none;
}
.hero-search button {
    padding: 14px 24px;
    background: #2d3436;
    color: #fff;
    border: none;
    border-radius: 0 12px 12px 0;
    font-size: 16px;
    cursor: pointer;
    white-space: nowrap;
}
.hero-search button:hover {
    background: #1e272e;
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.85;
}
.hero-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== 移动端汉堡菜单 ===== */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #2d3436;
    border-radius: 2px;
    transition: all 0.3s;
}
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== 页脚优化 ===== */
.footer {
    background: #2d3436;
    color: #b2bec3;
    padding: 32px 24px;
    margin-top: 48px;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: space-between;
}
.footer-col h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 12px;
}
.footer-col a {
    display: block;
    color: #b2bec3;
    text-decoration: none;
    font-size: 13px;
    margin-bottom: 6px;
    transition: color 0.2s;
}
.footer-col a:hover {
    color: #6c5ce7;
}
.footer-bottom {
    text-align: center;
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid #636e72;
    font-size: 12px;
    color: #636e72;
}

/* ===== 移动端响应式增强 ===== */
@media (max-width: 768px) {
    .hero {
        padding: 32px 16px;
    }
    .hero h1 {
        font-size: 24px;
    }
    .hero p {
        font-size: 14px;
    }
    .hero-search input {
        font-size: 14px;
        padding: 12px 16px;
    }
    .hero-search button {
        font-size: 14px;
        padding: 12px 16px;
    }
    .hero-stats {
        gap: 16px;
        font-size: 12px;
    }
    .hamburger {
        display: flex;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 12px 0;
    }
    .nav-links.open {
        display: flex;
    }
    .nav-links .nav-link {
        padding: 10px 0;
        border-bottom: 1px solid #f0f0f0;
    }
    .nav-bottom {
        flex-wrap: wrap;
    }
    .nav-search {
        width: 100%;
        margin-top: 8px;
    }
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    .footer-inner {
        flex-direction: column;
        gap: 20px;
    }
}