/*样式库定义开始*/
/*CSS变量定义, root必须始终置于第一位*/
:root {
    /*文字样式*/
    --font-family-base: "Helvetica Neue", Helvetica, Tahoma, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif; 
    --line-height-base: 1.2;
    --letter-spacing-base: 0.04rem;
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-bold: 700;
    --font-extra-bold: 800;

    /*颜色板*/
    /*一级颜色*/
    --color-primary: #1E2025;
    --color-gray-100: #F5F5F5;
    --color-gray-300: #E0E0E0;
    /*二级颜色*/
    --color-primary-foreground: WHITE;
    --color-primary-background: var(--color-primary);
    /*三级颜色*/
    --color-text-profile: var(--color-primary-foreground);
    --color-text-logo: WHITE;
    --color-page-background: var(--color-gray-100);
}

/*字体样式定义*/
.title {
    font-family: var(--font-family-base);
    font-size: 2.4rem;
    line-height: var(--line-height-base);
    font-weight: var(--font-extra-bold);
    letter-spacing: var(--letter-spacing-base);
}

.subtitle {
    font-family: var(--font-family-base);
    font-size: 1.2rem;
    line-height: 1;
    font-weight: var(--font-medium);
    letter-spacing: var(--letter-spacing-base);
}

.text-body {
    font-family: var(--font-family-base);
    font-size: 1rem;
    line-height: var(--line-height-base);
    font-weight: var(--font-light);
    letter-spacing: var(--letter-spacing-base);
}

.caption {
    font-family: var(--font-family-base);
    font-size: 0.8rem;
    line-height: var(--line-height-base);
    font-weight: var(--font-light);
    letter-spacing: var(--letter-spacing-base);
}

/*动画样式定义, 从元素样式中分离以便复用*/
/*作品加载动画, 向上浮动效果
 *动画有延时, 所以需要在样式表中放置初始化状态，而不能在执行开始的时候
 *forwards: 元素样式会停留在动画结束状态, 这会导致元素hover态无法改变transform属性
 */
.animate-up {
    opacity: 0;
    transform: translateY(80px);
    -webkit-transform: translateY(80px);
    animation: moveUp 0.65s ease forwards;
    -webkit-animation: moveUp 0.65s ease forwards;
}
@keyframes moveUp {
    0% {}
    100% { transform: translateY(0); opacity: 1; }
}
@-webkit-keyframes moveUp {
    0% {}
    100% { -webkit-transform: translateY(0); opacity: 1; }
}

.animate-delay-1 {
    animation-delay: 0.1s;
}
.animate-delay-2 {
    animation-delay: 0.2s;
}
.animate-delay-3 {
    animation-delay: 0.3s;
}
.animate-delay-4 {
    animation-delay: 0.4s;
}
/*样式库定义结束*/

/*全局属性*/
*{
    /*去除边距*/
    margin: 0 ;
    padding: 0;
}

body, html {
    height: 100%;
    font-size: 100%;
    background-color: var(--color-page-background);
}

/*日志*/
#log {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    color: WHITE;
    display: none;
}

/*设计师资料*/
#profile {
    text-align: center;
    padding: 2rem 1rem;
    background-color: var(--color-primary-background);
}

#my-name {
    color: var(--color-text-profile);
    margin-bottom: 0.8rem;
}

#my-tag span{
    color: var(--color-text-profile);
    margin: 0.2rem 0.4rem;
    display: inline-block;
}

#my-phone {
    display: inline-block;
    color: var(--color-text-profile);
    text-decoration: none;
    margin-top: 2rem;
    transition: opacity .15s;
}

#my-phone:hover {
    opacity: 0.5;
}

#my-phone:active {
    opacity: 0.2;
}

#my-phone svg {
    width: 0.8rem;
    height: 0.8rem;
    vertical-align: baseline;
    margin-right: 0.1rem;
    fill: currentColor;
}

/*作品展示*/
#content {
    position: relative;
    padding: 0.6rem;
    background-color: var(--color-page-background);
}

#content .decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 12rem;
    background-color: var(--color-primary-background);
}

#gallery {}

.gallery-item {
    /*width: calc(33.33% - 1.2rem);*/
    width: 33.33%;
    padding: 0.6rem;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
}

.gallery-item .img-wrapper{
    width: 100%;
    border-radius: 0.625rem;
    position: relative;
    overflow: hidden;
    background-color: var(--color-gray-300);

    /*元素状态变化动画*/
    transition: transform .15s, box-shadow .3s, filter .15s;
    -webkit-transition: -webkit-transform .15s, box-shadow .3s, filter .15s;
}

.gallery-item .img-wrapper:hover {
    transform: translateY(-0.4rem);
    -webkit-transform: translateY(-0.4rem);
    box-shadow: 0 0.6rem 1rem rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

.gallery-item .img-wrapper:active {
    filter: contrast(130%) brightness(0.5);
}

.gallery-item img {
    /*消除inline造成的4px下边距*/
    display: block;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

/*适配小窗口*/
@media screen and (max-width: 900px) {
    .gallery-item {
        width: 50%;
    }
}

/*适配移动端*/
@media screen and (max-width: 400px) {
    .gallery-item {
        width: 100%;
    }
}

/*底部logo*/
#logo {
    position: fixed;
    bottom: 0.8rem;
    right: 1.6rem;
    text-align: right;
}

#logo a {
    text-decoration: none;
}

.logo-QR {
    display: none;
    text-align: center;
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 0.625rem;
    margin-bottom: 0.8rem;
}

.logo-QR p{
    color: var(--color-text-logo);
    padding-bottom: 0.4rem;
}

.logo-QR img {
    width: 11rem;
    height: 11rem;
}

.logo-name {
    color: var(--color-text-logo);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
    -webkit-text-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    cursor: help;
}