/* ==========================================================================
   XPCMS 单页 / 价格 / 更新日志 / 404 样式 xp-page.css
   ========================================================================== */

/* 价格表 */
.xp-pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}
.xp-pricing-card {
    background: var(--xp-bg);
    border: 1px solid var(--xp-border);
    border-radius: var(--xp-radius-card);
    padding: 36px 32px;
    position: relative;
    transition: transform .2s, box-shadow .2s;
}
.xp-pricing-card:hover { transform: translateY(-4px); box-shadow: var(--xp-shadow-md); }
.xp-pricing-card--featured {
    border-color: var(--xp-primary);
    background: linear-gradient(180deg, var(--xp-primary-mist), var(--xp-bg));
}
.xp-pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--xp-primary);
    color: #fff;
    font-size: 12px;
    padding: 4px 14px;
    border-radius: var(--xp-radius-pill);
    font-weight: 600;
    letter-spacing: .04em;
}
.xp-pricing-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--xp-text);
    margin-bottom: 8px;
}
.xp-pricing-desc {
    font-size: 14px;
    color: var(--xp-text-3);
    min-height: 40px;
    margin-bottom: 20px;
}
.xp-pricing-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 24px;
}
.xp-pricing-amount {
    font-family: var(--xp-font-display);
    font-size: 44px;
    font-weight: 800;
    color: var(--xp-text);
    line-height: 1;
    letter-spacing: -.02em;
}
.xp-pricing-period { color: var(--xp-text-3); font-size: 14px; }
.xp-pricing-features {
    list-style: none;
    margin: 0 0 28px;
    padding: 24px 0 0;
    border-top: 1px solid var(--xp-border);
}
.xp-pricing-features li {
    padding: 8px 0;
    color: var(--xp-text-2);
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.xp-pricing-features li .fa-check {
    color: var(--xp-primary);
    margin-top: 4px;
}
.xp-pricing-features li .fa-xmark {
    color: var(--xp-text-3);
    margin-top: 4px;
}
.xp-pricing-features li.is-disabled { color: var(--xp-text-3); }
.xp-pricing-card .xp-btn { width: 100%; }

/* FAQ */
.xp-faq { max-width: 760px; margin: 0 auto; }
.xp-faq-item {
    background: var(--xp-bg);
    border: 1px solid var(--xp-border);
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
}
.xp-faq-q {
    width: 100%;
    text-align: left;
    background: transparent;
    border: 0;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 500;
    color: var(--xp-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-family: var(--xp-font-body);
}
.xp-faq-q .fa { color: var(--xp-primary); transition: transform .2s; }
.xp-faq-item.is-open .xp-faq-q .fa { transform: rotate(45deg); }
.xp-faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
}
.xp-faq-a-inner {
    padding: 0 24px 20px;
    color: var(--xp-text-2);
    font-size: 15px;
    line-height: 1.7;
}

/* 更新日志 */
.xp-changelog { max-width: 760px; margin: 0 auto; }
.xp-changelog-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 32px;
    padding: 28px 0;
    border-bottom: 1px solid var(--xp-border);
}
.xp-changelog-item:last-child { border-bottom: 0; }
.xp-changelog-version {
    font-family: var(--xp-font-display);
    font-weight: 700;
    color: var(--xp-text);
    font-size: 18px;
}
.xp-changelog-date {
    color: var(--xp-text-3);
    font-size: 13px;
    margin-top: 4px;
}
.xp-changelog-content h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--xp-text);
}
.xp-changelog-content ul { list-style: none; padding: 0; }
.xp-changelog-content li {
    padding: 6px 0;
    color: var(--xp-text-2);
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.xp-changelog-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--xp-radius-pill);
    flex-shrink: 0;
    margin-top: 2px;
    letter-spacing: .04em;
}
.xp-changelog-tag--new { background: var(--xp-primary-soft); color: var(--xp-primary-hover); }
.xp-changelog-tag--fix { background: #fef3c7; color: #b45309; }
.xp-changelog-tag--improve { background: #e0e7ff; color: #4338ca; }

/* 关于页：特性网格 */
.xp-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.xp-feature {
    padding: 32px 28px;
    border: 1px solid var(--xp-border);
    border-radius: var(--xp-radius-card);
    background: var(--xp-bg);
    transition: transform .2s, box-shadow .2s;
}
.xp-feature:hover { transform: translateY(-3px); box-shadow: var(--xp-shadow-md); }
.xp-feature-icon {
    width: 56px; height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--xp-primary-mist);
    color: var(--xp-primary-hover);
    border-radius: 14px;
    font-size: 22px;
    margin-bottom: 18px;
}
.xp-feature h3 { font-size: 19px; margin-bottom: 8px; }
.xp-feature p { color: var(--xp-text-2); font-size: 14px; margin: 0; line-height: 1.6; }

/* 团队/介绍区块 */
.xp-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.xp-intro-text h2 { font-size: 32px; margin-bottom: 16px; }
.xp-intro-text p { color: var(--xp-text-2); font-size: 16px; line-height: 1.7; }
.xp-intro-text .xp-btn { margin-top: 24px; }
.xp-intro-image {
    border-radius: var(--xp-radius-card);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--xp-bg-soft);
}
.xp-intro-image img { width: 100%; height: 100%; object-fit: cover; }

/* 文档入口卡片 */
.xp-doc-entry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.xp-doc-entry {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--xp-bg);
    border: 1px solid var(--xp-border);
    border-radius: var(--xp-radius-card);
    transition: transform .2s, box-shadow .2s, border-color .2s;
    color: var(--xp-text);
}
.xp-doc-entry:hover {
    transform: translateY(-3px);
    box-shadow: var(--xp-shadow-md);
    border-color: var(--xp-primary);
    color: var(--xp-text);
}
.xp-doc-entry-icon {
    width: 48px; height: 48px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--xp-primary-mist);
    color: var(--xp-primary-hover);
    border-radius: 12px;
    font-size: 18px;
}
.xp-doc-entry h3 { font-size: 17px; margin-bottom: 4px; color: var(--xp-text); }
.xp-doc-entry p { font-size: 14px; color: var(--xp-text-2); margin: 0; }
.xp-doc-entry .fa-arrow-right { margin-left: auto; color: var(--xp-primary); align-self: center; }

/* 文档详情侧栏布局 */
.xp-doc-layout {
    padding: calc(var(--xp-nav-h) + 32px) 0 80px;
}
.xp-doc-layout .xp-container {
    display: grid;
    grid-template-columns: 240px 1fr 240px;
    gap: 40px;
    max-width: 1280px;
}
.xp-doc-sidebar { position: sticky; top: calc(var(--xp-nav-h) + 24px); }
.xp-doc-sidebar h4 {
    font-size: 13px;
    color: var(--xp-text-3);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 12px;
    font-weight: 600;
}
.xp-doc-sidebar ul { list-style: none; }
.xp-doc-sidebar ul li { padding: 6px 0; }
.xp-doc-sidebar ul li a {
    color: var(--xp-text-2);
    font-size: 14px;
    display: block;
    padding: 6px 10px;
    border-radius: 8px;
}
.xp-doc-sidebar ul li a:hover { background: var(--xp-bg-soft); color: var(--xp-text); }
.xp-doc-sidebar ul li a.active { background: var(--xp-primary-mist); color: var(--xp-primary-hover); font-weight: 500; }
.xp-doc-content { min-width: 0; }

/* 响应式 */
@media (max-width: 1024px) {
    .xp-pricing-grid { grid-template-columns: 1fr; max-width: 480px; }
    .xp-features { grid-template-columns: repeat(2, 1fr); }
    .xp-intro-grid { grid-template-columns: 1fr; gap: 32px; }
    .xp-doc-entry-grid { grid-template-columns: 1fr; }
    .xp-doc-layout .xp-container { grid-template-columns: 220px 1fr; }
    .xp-doc-toc-side { display: none; }
}

@media (max-width: 768px) {
    .xp-pricing-amount { font-size: 36px; }
    .xp-features { grid-template-columns: 1fr; }
    .xp-changelog-item { grid-template-columns: 1fr; gap: 12px; }
    .xp-doc-layout .xp-container { grid-template-columns: 1fr; }
    .xp-doc-sidebar { display: none; }
}