* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body {
    background: #ffffff;
    color: #222;
    padding-bottom: 80px; /* 底部导航预留高度 */
}
/* 底部导航栏 全局共用 */
footer.nav-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 72px;
    background: #fff;
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-top: 1px solid #eee;
}
.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size:14px;
    color:#444;
    text-decoration: none;
}
.nav-item.active{
    color:#000;
}
.nav-icon{
    font-size:24px;
}

/* ===== 主页样式 index.html 专用（原样保留） ===== */
.home-header{
    text-align:center;
    padding:40px 24px 30px;
}
.home-header .logo-top{
    font-size:48px;
    font-weight:300;
    color:#333;
}
.home-desc{
    max-width:620px;
    margin:24px auto;
    line-height:1.7;
    font-size:17px;
    color:#333;
}
.home-buttons{
    display:flex;
    justify-content:center;
    gap:32px;
    margin:40px 0;
}
.home-btn-circle{
    width:72px;
    height:72px;
    border-radius:50%;
    background:#222;
    color:white;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:22px;
    box-shadow: 0 4px 12px #00000026;
}
.section-works{
    margin-top:50px;
}
.works-title{
    text-align:center;
    font-size:32px;
    font-weight:500;
}
.works-subtitle{
    text-align:center;
    color:#888;
    margin:8px 0 30px;
    letter-spacing:2px;
}
.tabs-makeup{
    padding:0 20px;
}
.tab-make{
    padding:12px 0;
    font-size:18px;
    color:#777;
    cursor:pointer;
}
.tab-make.active{
    color:#000;
}
.work-grid{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap:12px;
    padding:16px;
}
.work-card img{
    width:100%;
    display:block;
}

/* ===== 模版页面 template.html 专用 ===== */
/* 模板页顶部筛选区 */
.template-filter-top {
    padding: 16px;
}

/* 按钮容器：永远两行，每行4个，8个按钮 */
.filter-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 10px;
}

/* 固定按钮大小 */
.filter-tag {
    height: 44px;
    line-height: 44px;
    text-align: center;
    border-radius: 6px;
    border: 1px solid #ddd;
    background: #fff;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    user-select: none;
}

.filter-tag.active {
    background: #000;
    color: #fff;
    border-color: #000;
}

/* 图片网格容器 */
.template-grid {
    padding: 16px;
}

.gallery-group {
    display: none;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.gallery-group.active {
    display: grid;
}

/* 4:3竖屏占位图 aspect-ratio=宽/高 → 4:3竖屏写3/4 */
.template-card .black-placeholder {
    width: 100%;
    aspect-ratio: 3 / 4;
    background: #000000;
    overflow:hidden;
}
.template-card .black-placeholder img{
    width:100%;
    height:100%;
    object-fit:cover;
}

.template-card p {
    padding: 8px 0;
    font-size: 15px;
    color: #333;
}

/* 电脑大屏：宽度≥900px，图片自动多列自适应 */
@media screen and (min-width: 900px) {
    .gallery-group {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}
/* 窗口小于900px（手机/电脑缩小窗口）强制2列图片 */
@media screen and (max-width: 899px) {
    .gallery-group {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========== 全屏预览弹窗样式 ========== */
.img-fullscreen{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(0,0,0,0.92);
    z-index:999;
}
.full-close{
    position:absolute;
    top:20px;
    right:20px;
    color:#fff;
    font-size:32px;
    width:44px;
    height:44px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:rgba(255,255,255,0.15);
    border-radius:50%;
    cursor:pointer;
    user-select:none;
}
.full-wrap{
    width:100%;
    height:100%;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:20px 60px;
}
.full-wrap img{
    max-width:100%;
    max-height:100%;
    object-fit:contain;
}
.full-prev,.full-next{
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    color:#fff;
    font-size:48px;
    width:50px;
    height:80px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:rgba(255,255,255,0.1);
    cursor:pointer;
    user-select:none;
}
.full-prev{left:10px;}
.full-next{right:10px;}
.full-tip{
    position:absolute;
    bottom:40px;
    left:50%;
    transform:translateX(-50%);
    color:#fff;
    font-size:16px;
    background:rgba(0,0,0,0.4);
    padding:6px 16px;
    border-radius:99px;
}