:root {
    --primary-color: #3280fc;
    --radius: 5px;
    --transition: all 0.3s ease;
    --comnmon-margin0_5: .5rem;
    --comnmon-margin: 1rem;

    --text-color: #333;
    --bg-color: #fff;
    --bg-transparent: rgb(245, 245, 245, 0.5);
    --bg-drawer: rgb(255, 255, 255, .9);
    --border-color: #eaeaea;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.05);

    --zui-border-color: 226, 232, 240;
}

.dark {
    --text-color: #e0e0e0;
    --bg-color: #1a1a1a;
    --bg-transparent: rgb(26, 26, 26, 0.8);
    --bg-drawer: rgb(16, 16, 16, .9);
    --border-color: #3a3a3a;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.2);

    --zui-border-color: 30, 41, 59;
}

/* ===== 公用 begin ===== */

._hide {
    display: none;
}

._container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--comnmon-margin);
}

._card {
    background: var(--bg-transparent);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--comnmon-margin);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

/* 文字 begin */
._text_clamp_1, ._text_clamp_2, ._text_clamp_3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

._text_clamp_1 {
    -webkit-line-clamp: 1;
}
/* 文字 end */

/* ===== 公用 end ===== */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    position: relative;
    min-height: 100vh;
    overflow-y: auto;
}

/* 背景 begin */
.background-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--bg-color) url('../img/bg.svg') no-repeat center/cover;
}

.dark .background-pattern {
    background: linear-gradient(125deg, var(--color-primary-50) 0, var(--color-primary-50) 40%, var(--color-primary-100) calc(40.1%), var(--color-primary-100) 60%, var(--color-primary-200) calc(60.1%), var(--color-primary-200) 72%, var(--color-primary-500) calc(72.1%), var(--color-primary-500) 100%);
}

/* 背景 end */

/* 顶部导航 begin */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(5px);
    transition: background-color 0.3s, border-color 0.3s;
}

.top-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: var(--comnmon-margin) 0;
}

/* 主题切换按钮 */
.theme-button {
    background: var(--bg-transparent);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px;
    position: relative;
    width: 60px;
    height: 30px;
    transition: var(--transition);
}

.theme-button:before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.theme-button i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    font-size: 1rem;
    z-index: 1;
}

.dark .theme-button:before {
    transform: translateX(30px);
}

.theme-button .icon-sun, .dark .theme-button .icon-moon {
    color: #ffffff !important;
}

/* 顶部导航 end */

.main {
    margin-bottom: 100px;
}

/* 英雄区域 begin */
.hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color), #6c5ce7);
    border-radius: var(--radius);
    padding: 2.5rem;
    margin-bottom: var(--comnmon-margin);
    color: white;
    display: flex;
    justify-content: center;
}

.hero:before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.hero-content {
    text-align: right;
}

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--comnmon-margin);
}

.hero-content .p {
    font-size: 1.125rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* 英雄区域 end */

/* 链接内容 begin */
.link-container {
    display: flex;
    flex-direction: row;
}

.link-nav {
    .nav-item a {
        min-height: 52px;
    }
}

.link-main {
    flex: 1;
    padding-left: var(--comnmon-margin);
    display: flex;
    flex-direction: column;
    gap: var(--comnmon-margin);
}

.link-panel-title {
    padding-bottom: var(--comnmon-margin0_5);
    margin-bottom: var(--comnmon-margin);
    border-bottom: 1px solid rgb(var(--zui-border-color));
}

.link-panel-title i {
    margin-right: 0.2rem;
}

.link-panel-body {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.2rem;
}

.link-list a {
    margin-bottom: 0.8rem;
    color: var(--text-color);
    transition: var(--transition);
}

.link-list a:hover {
    color: var(--primary-color);
    transform: translateY(-5px);
}

.link-item {
    --width: 76px;

    min-width: var(--width);
    max-width: var(--width);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
}

.link-item .avatar.border {
    border: 1px solid rgb(var(--zui-border-color));
}

.link-item .avatar > img {
    --size: 75%;
    width: var(--size);
    height: var(--size);
    border-radius: var(--radius);
}

.link-item i {
    font-size: 1.35rem;
}

.link-item span {
    max-width: 76px;
    margin-top: 0.3rem;
    font-size: 0.7rem;
}

.link-more {
    position: relative;
}

.link-more:hover {
    transform: translateY(0) !important;
}

.link-more::after {
    --size: 6px;

    display: none;
    content: "";
    position: absolute;

    top: 100%;
    left: 50%;
    margin-top: calc(.8rem - var(--size));

    width: 0;
    height: 0;

    border-left: var(--size) solid transparent;
    border-right: var(--size) solid transparent;
    border-bottom: var(--size) solid var(--border-color);
    transform: translateX(-50%);
}

.link-more.show::after {
    display: block;
}

.link-more-panel {
    padding-top: var(--comnmon-margin);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background-color: var(--bg-drawer);

    height: 0;
    overflow: hidden;
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.3s ease-out;
}

.link-more-panel.expand {
    transform: scaleY(1);
    height: auto;
}

.more-panel {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.2rem;
}

/* 链接内容 end */

/* 页脚 begin */
.footer {
    width: 100%;
    position: fixed;
    bottom: 0;
    background-color: var(--bg-transparent);
    padding: var(--comnmon-margin) 0;
    transition: background-color 0.3s, border-color 0.3s;
    backdrop-filter: blur(5px);
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.copyright {
    font-size: 0.8rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 页脚 end */

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 1.8rem;
        font-weight: 600;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .link-item {
        --width: 64px;

        min-width: var(--width);
        max-width: var(--width);
    }

    .link-item span {
        max-width: 64px;
        font-size: .65rem !important;
    }

    /* 隐藏内容 */
    .max576 {
        display: none;
    }
}

/* 自适应 end */