/* ==========================================================================
   XPCMS 默认主题全局样式 xp-theme.css
   极简优雅 SaaS 风（Linear/Vercel 质感）· 翡翠绿主色
   作者：彭浩  版本：2.0.0  日期：2026-09-23
   ========================================================================== */

/* ---- 1. 主题变量 --------------------------------------------------------- */
:root {
    /* 主色：翡翠绿 */
    --xp-primary: #16a34a;
    --xp-primary-hover: #15803d;
    --xp-primary-soft: #dcfce7;
    --xp-primary-mist: #f0fdf4;

    /* 中性灰阶 */
    --xp-text: #0f172a;
    --xp-text-2: #475569;
    --xp-text-3: #94a3b8;
    --xp-border: #e2e8f0;
    --xp-bg-soft: #f8fafc;
    --xp-bg: #ffffff;

    /* 暗色块 */
    --xp-dark-from: #0f172a;
    --xp-dark-to: #1e293b;

    /* 字体 */
    --xp-font-display: 'Sora', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --xp-font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;

    /* 圆角 */
    --xp-radius-card: 18px;
    --xp-radius-btn: 11px;
    --xp-radius-pill: 100px;

    /* 阴影 */
    --xp-shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);
    --xp-shadow-md: 0 4px 24px rgba(15, 23, 42, .06);
    --xp-shadow-lg: 0 12px 48px rgba(15, 23, 42, .08);

    /* 布局 */
    --xp-container: 1200px;
    --xp-section-py: 96px;
    --xp-nav-h: 68px;
}

/* ---- 2. 基础重置 --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--xp-font-body);
    color: var(--xp-text);
    background: var(--xp-bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--xp-font-display);
    color: var(--xp-text);
    line-height: 1.25;
    margin: 0 0 .5em;
    font-weight: 700;
    letter-spacing: -.02em;
}

p { margin: 0 0 1em; color: var(--xp-text-2); }

a { color: var(--xp-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--xp-primary-hover); }

img { max-width: 100%; display: block; }

ul, ol { margin: 0; padding: 0; }

/* ---- 3. 通用布局 --------------------------------------------------------- */
.xp-container {
    width: 100%;
    max-width: var(--xp-container);
    margin: 0 auto;
    padding: 0 24px;
}

.xp-section { padding: var(--xp-section-py) 0; }
.xp-section--soft { background: var(--xp-bg-soft); }
.xp-section--tight { padding: 56px 0; }

.xp-section-head {
    max-width: 640px;
    margin: 0 auto 56px;
    text-align: center;
}
.xp-section-head h2 {
    font-size: 36px;
    margin-bottom: 16px;
}
.xp-section-head p {
    font-size: 17px;
    color: var(--xp-text-2);
}
.xp-section-head .xp-eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--xp-primary-hover);
    background: var(--xp-primary-soft);
    padding: 6px 14px;
    border-radius: var(--xp-radius-pill);
    margin-bottom: 16px;
    letter-spacing: .04em;
    text-transform: uppercase;
}

/* ---- 4. 顶部导航 --------------------------------------------------------- */
.xp-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--xp-nav-h);
    background: rgba(255, 255, 255, .8);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: border-color .2s, background .2s, box-shadow .2s;
}
.xp-nav.scrolled {
    border-color: var(--xp-border);
    box-shadow: var(--xp-shadow-sm);
}
.xp-nav-inner {
    max-width: var(--xp-container);
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 32px;
}
.xp-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--xp-font-display);
    font-weight: 800;
    font-size: 20px;
    color: var(--xp-text);
    flex-shrink: 0;
}
.xp-brand img { height: 32px; width: auto; }
.xp-brand:hover { color: var(--xp-text); }

.xp-nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    flex: 1;
}
.xp-nav-item {
    position: relative;
}
.xp-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    border-radius: var(--xp-radius-btn);
    color: var(--xp-text-2);
    font-size: 15px;
    font-weight: 500;
    transition: background .15s, color .15s;
}
.xp-nav-link:hover,
.xp-nav-link.active {
    color: var(--xp-text);
    background: var(--xp-bg-soft);
}
.xp-nav-link .fa-chevron-down { font-size: 10px; opacity: .7; }

.xp-nav-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 200px;
    background: var(--xp-bg);
    border: 1px solid var(--xp-border);
    border-radius: 14px;
    box-shadow: var(--xp-shadow-lg);
    padding: 8px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .18s, transform .18s, visibility .18s;
}
.xp-nav-item:hover .xp-nav-dropdown,
.xp-nav-item:focus-within .xp-nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.xp-nav-dropdown .xp-nav-link { padding: 8px 12px; display: block; }

.xp-nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* 移动菜单按钮 */
.xp-nav-toggle {
    display: none;
    width: 40px; height: 40px;
    border: 1px solid var(--xp-border);
    background: var(--xp-bg);
    border-radius: 10px;
    color: var(--xp-text);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

/* ---- 5. 按钮 ------------------------------------------------------------- */
.xp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--xp-radius-btn);
    font-family: var(--xp-font-body);
    font-size: 15px;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .15s, background .2s, border-color .2s, color .2s;
    text-decoration: none;
    white-space: nowrap;
}
.xp-btn:hover { transform: translateY(-1px); }
.xp-btn:active { transform: translateY(0); }

.xp-btn-primary {
    background: var(--xp-primary);
    color: #fff;
}
.xp-btn-primary:hover {
    background: var(--xp-primary-hover);
    color: #fff;
}
.xp-btn-ghost {
    background: var(--xp-bg);
    color: var(--xp-text);
    border-color: var(--xp-border);
}
.xp-btn-ghost:hover {
    background: var(--xp-bg-soft);
    color: var(--xp-text);
}
.xp-btn-dark {
    background: var(--xp-dark-from);
    color: #fff;
}
.xp-btn-dark:hover {
    background: var(--xp-dark-to);
    color: #fff;
}
.xp-btn-link {
    background: transparent;
    color: var(--xp-primary);
    padding: 6px 0;
}
.xp-btn-link:hover { color: var(--xp-primary-hover); }
.xp-btn-link .fa-arrow-right { transition: transform .2s; }
.xp-btn-link:hover .fa-arrow-right { transform: translateX(3px); }

.xp-btn-lg { padding: 14px 26px; font-size: 16px; }
.xp-btn-sm { padding: 7px 12px; font-size: 13px; }

/* ---- 6. 徽章 / 标签 ------------------------------------------------------ */
.xp-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--xp-radius-pill);
    font-size: 12px;
    font-weight: 500;
    background: var(--xp-bg-soft);
    color: var(--xp-text-2);
    border: 1px solid var(--xp-border);
}
.xp-badge-primary {
    background: var(--xp-primary-soft);
    color: var(--xp-primary-hover);
    border-color: transparent;
}
.xp-badge-dark {
    background: var(--xp-dark-from);
    color: #fff;
    border-color: transparent;
}

/* ---- 7. 卡片 ------------------------------------------------------------- */
.xp-card {
    background: var(--xp-bg);
    border: 1px solid var(--xp-border);
    border-radius: var(--xp-radius-card);
    overflow: hidden;
    transition: transform .2s, box-shadow .2s, border-color .2s;
}
.xp-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--xp-shadow-md);
    border-color: transparent;
}
.xp-card-body { padding: 24px; }

/* ---- 8. 网格 ------------------------------------------------------------- */
.xp-grid {
    display: grid;
    gap: 24px;
}
.xp-grid-2 { grid-template-columns: repeat(2, 1fr); }
.xp-grid-3 { grid-template-columns: repeat(3, 1fr); }
.xp-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---- 9. 页脚 ------------------------------------------------------------- */
.xp-footer {
    background: var(--xp-dark-from);
    color: #cbd5e1;
    padding: 64px 0 32px;
}
.xp-footer a { color: #cbd5e1; }
.xp-footer a:hover { color: #fff; }
.xp-footer-inner {
    max-width: var(--xp-container);
    margin: 0 auto;
    padding: 0 24px;
}
.xp-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.xp-footer h4 {
    color: #fff;
    font-size: 14px;
    margin-bottom: 16px;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.xp-footer ul { list-style: none; }
.xp-footer ul li { margin-bottom: 10px; font-size: 14px; }
.xp-footer-brand {
    font-family: var(--xp-font-display);
    font-weight: 800;
    font-size: 22px;
    color: #fff;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.xp-footer-brand img { height: 32px; }
.xp-footer-desc { font-size: 14px; color: #94a3b8; line-height: 1.7; }
.xp-footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}
.xp-footer-social a {
    width: 36px; height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 10px;
    transition: border-color .2s, background .2s;
}
.xp-footer-social a:hover {
    background: var(--xp-primary);
    border-color: var(--xp-primary);
    color: #fff;
}
.xp-friend-links {
    padding-top: 24px;
    font-size: 13px;
    color: #94a3b8;
    line-height: 1.9;
}
.xp-friend-links a { color: #94a3b8; }
.xp-friend-links a:hover { color: #fff; }
.xp-footer-bottom {
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: #64748b;
}
.xp-footer-bottom .xp-footer-copy { margin-left: 16px; }

/* ---- 10. 滚动渐入动画 ---------------------------------------------------- */
.xp-fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s ease, transform .6s ease;
}
.xp-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 数字统计块 */
.xp-stat {
    text-align: center;
}
.xp-stat-num {
    font-family: var(--xp-font-display);
    font-size: 44px;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -.03em;
}
.xp-stat-label {
    color: #94a3b8;
    font-size: 14px;
    letter-spacing: .04em;
}

/* 暗色 CTA 块 */
.xp-cta {
    background: linear-gradient(135deg, var(--xp-dark-from), var(--xp-dark-to));
    color: #fff;
    border-radius: 24px;
    padding: 64px 48px;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.xp-cta::before {
    content: '';
    position: absolute;
    top: -50%; left: 50%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(22, 163, 74, .25), transparent 60%);
    transform: translateX(-50%);
    pointer-events: none;
}
.xp-cta h2 { color: #fff; font-size: 36px; position: relative; }
.xp-cta p { color: #cbd5e1; font-size: 17px; position: relative; }
.xp-cta .xp-btn { position: relative; }

/* 空状态 */
.xp-empty {
    text-align: center;
    padding: 80px 24px;
    color: var(--xp-text-3);
}
.xp-empty .fa { font-size: 48px; margin-bottom: 16px; opacity: .5; }

/* 分页容器 */
.xp-pagination-wrap {
    display: flex;
    justify-content: center;
    margin-top: 56px;
}

/* 侧边栏 */
.xp-sidebar { display: flex; flex-direction: column; gap: 24px; }
.xp-widget {
    background: var(--xp-bg);
    border: 1px solid var(--xp-border);
    border-radius: var(--xp-radius-card);
    padding: 24px;
}
.xp-widget h3 {
    font-size: 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.xp-widget-list { list-style: none; }
.xp-widget-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--xp-border);
}
.xp-widget-list li:last-child { border-bottom: 0; }
.xp-widget-list a {
    color: var(--xp-text);
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    gap: 8px;
    line-height: 1.5;
}
.xp-widget-list a:hover { color: var(--xp-primary); }
.xp-widget-list .xp-meta { color: var(--xp-text-3); font-size: 12px; flex-shrink: 0; }

/* 列表头部工具条 */
.xp-list-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.xp-list-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    list-style: none;
}
.xp-list-tabs a {
    display: inline-block;
    padding: 7px 14px;
    border-radius: var(--xp-radius-btn);
    font-size: 14px;
    color: var(--xp-text-2);
    background: var(--xp-bg);
    border: 1px solid var(--xp-border);
    transition: all .2s;
}
.xp-list-tabs a:hover { color: var(--xp-text); border-color: var(--xp-text-3); }
.xp-list-tabs a.active {
    background: var(--xp-text);
    color: #fff;
    border-color: var(--xp-text);
}

/* 面包屑 */
.xp-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--xp-text-3);
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.xp-breadcrumb a { color: var(--xp-text-3); }
.xp-breadcrumb a:hover { color: var(--xp-primary); }
.xp-breadcrumb .fa { font-size: 10px; }

/* 文章详情排版 */
.xp-article {
    font-size: 17px;
    line-height: 1.8;
    color: var(--xp-text-2);
}
.xp-article h2,
.xp-article h3,
.xp-article h4 { color: var(--xp-text); margin-top: 1.5em; }
.xp-article p { margin: 0 0 1.2em; }
.xp-article img { border-radius: 12px; margin: 1.5em 0; }
.xp-article pre {
    background: var(--xp-dark-from);
    color: #e2e8f0;
    padding: 18px 22px;
    border-radius: 12px;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.6;
    margin: 1.5em 0;
}
.xp-article code {
    background: var(--xp-bg-soft);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: .9em;
    color: var(--xp-primary-hover);
}
.xp-article pre code { background: transparent; color: inherit; padding: 0; }
.xp-article blockquote {
    border-left: 3px solid var(--xp-primary);
    padding: 8px 18px;
    margin: 1.5em 0;
    color: var(--xp-text-2);
    background: var(--xp-primary-mist);
    border-radius: 0 8px 8px 0;
}
.xp-article ul, .xp-article ol { margin: 0 0 1.2em; padding-left: 1.5em; }
.xp-article li { margin-bottom: .5em; }

/* 详情页元信息 */
.xp-meta-row {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    color: var(--xp-text-3);
    font-size: 14px;
    margin-bottom: 24px;
}
.xp-meta-row .fa { margin-right: 6px; }

/* 上下篇 */
.xp-prev-next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 56px 0;
}
.xp-prev-next a {
    display: block;
    padding: 20px 24px;
    border: 1px solid var(--xp-border);
    border-radius: 14px;
    transition: all .2s;
}
.xp-prev-next a:hover {
    border-color: var(--xp-primary);
    background: var(--xp-primary-mist);
}
.xp-prev-next .xp-label {
    font-size: 12px;
    color: var(--xp-text-3);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.xp-prev-next .xp-title {
    color: var(--xp-text);
    font-weight: 500;
    font-size: 15px;
}
.xp-prev-next .xp-next { text-align: right; }

/* 响应式 */
@media (max-width: 1024px) {
    .xp-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .xp-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root {
        --xp-section-py: 64px;
    }
    .xp-container { padding: 0 16px; }
    .xp-nav-list { display: none; }
    .xp-nav-toggle { display: inline-flex; }
    .xp-nav-list.is-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--xp-nav-h);
        left: 0; right: 0;
        background: var(--xp-bg);
        padding: 16px;
        border-bottom: 1px solid var(--xp-border);
        box-shadow: var(--xp-shadow-md);
        gap: 4px;
    }
    .xp-nav-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: 0;
        padding-left: 16px;
        background: var(--xp-bg-soft);
        border-radius: 8px;
        margin: 4px 0;
        display: none;
    }
    .xp-nav-item.is-expanded .xp-nav-dropdown { display: block; }
    .xp-grid-2, .xp-grid-3, .xp-grid-4 { grid-template-columns: 1fr; }
    .xp-prev-next { grid-template-columns: 1fr; }
    .xp-cta { padding: 40px 24px; }
    .xp-cta h2 { font-size: 28px; }
    .xp-section-head h2 { font-size: 28px; }
    .xp-footer-grid { grid-template-columns: 1fr; }
}

/* 广告位图片 */
.xp-ad-widget { padding: 0; overflow: hidden; }
.xp-ad-img { width: 100%; display: block; border-radius: 14px; }

/* 头像占位符 */
.xp-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--xp-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    font-family: var(--xp-font-display);
}

/* 品牌图标占位 */
.xp-brand-dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    background: var(--xp-primary);
    color: #fff;
    border-radius: 8px;
    font-size: 16px;
}

/* 工具类 */
.xp-text-center { text-align: center; }
.xp-text-right { text-align: right; }
.xp-mt-0 { margin-top: 0 !important; }
.xp-mb-0 { margin-bottom: 0 !important; }

/* 尊重 reduced-motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
    .xp-fade-up { opacity: 1; transform: none; }
}