/* ===== TBlog 文档站样式 ===== */
:root {
    --green: #22c55e;
    --green-dark: #16a34a;
    --green-light: #dcfce7;
    --blue: #0ea5e9;
    --dark: #0f172a;
    --gray-900: #1e293b;
    --gray-800: #334155;
    --gray-700: #475569;
    --gray-600: #64748b;
    --gray-500: #94a3b8;
    --gray-400: #cbd5e1;
    --gray-300: #e2e8f0;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;
    --gray-50: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --code-bg: #0f172a;
    --code-light: #f1f5f9;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --info-bg: #dbeafe;
    --info-text: #1e40af;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
    --radius: 10px;
    --radius-lg: 14px;
}

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

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--gray-900);
    line-height: 1.7;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre, kbd {
    font-family: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', Consolas, monospace;
    font-size: 13.5px;
}

/* ===== 顶部导航 ===== */
.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 56px;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.topbar-inner {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 800;
    color: var(--dark);
    text-decoration: none;
    flex-shrink: 0;
}

.brand:hover { text-decoration: none; }

.brand .logo {
    width: 32px;
    height: 32px;
    background: var(--green);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
}

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.topbar-nav a {
    padding: 6px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: 6px;
    text-decoration: none;
}

.topbar-nav a:hover { background: var(--gray-100); color: var(--dark); }

.topbar-nav a.cta {
    background: var(--green);
    color: #fff;
    margin-left: 8px;
}

.topbar-nav a.cta:hover { background: var(--green-dark); }

.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    width: 36px;
    height: 36px;
    cursor: pointer;
    font-size: 18px;
}

/* ===== 主体布局 ===== */
.layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 56px);
}

/* ===== 侧边栏 ===== */
.sidebar {
    border-right: 1px solid var(--border);
    padding: 32px 16px;
    background: var(--white);
    position: sticky;
    top: 56px;
    height: calc(100vh - 56px);
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: 24px;
}

.sidebar-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-500);
    padding: 0 12px;
    margin-bottom: 8px;
}

.sidebar ul {
    list-style: none;
}

.sidebar li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--gray-700);
    border-radius: 6px;
    text-decoration: none;
    margin-bottom: 1px;
}

.sidebar li a:hover { background: var(--gray-100); color: var(--dark); }

.sidebar li a.active {
    background: var(--green-light);
    color: var(--green-dark);
    font-weight: 600;
}

.sidebar li a .ico {
    font-size: 15px;
    width: 18px;
    text-align: center;
}

/* ===== 右侧内容 ===== */
.content {
    padding: 48px 56px;
    max-width: 920px;
    min-width: 0;
}

.breadcrumb {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.breadcrumb a { color: var(--gray-500); text-decoration: none; }
.breadcrumb a:hover { color: var(--green-dark); }
.breadcrumb .sep { margin: 0 8px; color: var(--gray-400); }

.content h1 {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.page-desc {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin: 40px 0 16px;
    padding-top: 8px;
    scroll-margin-top: 80px;
}

.content h2 .anchor,
.content h3 .anchor {
    color: var(--gray-400);
    margin-left: 8px;
    font-size: 0.7em;
    opacity: 0;
    transition: opacity 0.2s;
}

.content h2:hover .anchor,
.content h3:hover .anchor { opacity: 1; }

.content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin: 28px 0 12px;
    scroll-margin-top: 80px;
}

.content h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-800);
    margin: 20px 0 8px;
}

.content p { margin-bottom: 16px; color: var(--gray-800); }
.content ul, .content ol { margin: 0 0 16px 24px; color: var(--gray-800); }
.content li { margin-bottom: 6px; }

.content strong { color: var(--dark); font-weight: 600; }

/* ===== 代码 ===== */
p code, li code, td code {
    background: var(--gray-100);
    color: #be185d;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.88em;
    word-break: break-word;
}

.code-block {
    background: var(--code-bg);
    border-radius: var(--radius);
    overflow: hidden;
    margin: 16px 0 24px;
    position: relative;
}

.code-block-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: #1a2332;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.code-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.code-dot:nth-child(1) { background: #ff5f57; }
.code-dot:nth-child(2) { background: #ffbd2e; }
.code-dot:nth-child(3) { background: #28ca41; }

.code-filename {
    margin-left: 12px;
    font-size: 12px;
    color: var(--gray-500);
    font-family: 'JetBrains Mono', monospace;
}

.code-copy {
    margin-left: auto;
    background: rgba(255,255,255,0.08);
    border: none;
    color: var(--gray-500);
    padding: 4px 10px;
    border-radius: 5px;
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
}

.code-copy:hover { background: rgba(255,255,255,0.15); color: #fff; }
.code-copy.copied { background: var(--green); color: #fff; }

.code-block pre {
    padding: 16px 20px;
    color: #e2e8f0;
    overflow-x: auto;
    line-height: 1.65;
}

.code-block .c-cmt { color: #64748b; font-style: italic; }
.code-block .c-kw  { color: #c084fc; }
.code-block .c-str { color: #86efac; }
.code-block .c-fn  { color: #7dd3fc; }
.code-block .c-num { color: #fbbf24; }
.code-block .c-var { color: #e2e8f0; }
.code-block .c-tag { color: #f472b6; }

/* ===== 提示框 ===== */
.alert {
    display: flex;
    gap: 14px;
    padding: 16px 20px;
    border-radius: var(--radius);
    margin: 20px 0;
    border: 1px solid;
    font-size: 14px;
    line-height: 1.65;
}

.alert .ai {
    font-size: 18px;
    flex-shrink: 0;
    line-height: 1.5;
}

.alert-tip    { background: var(--green-light); border-color: #86efac; color: #14532d; }
.alert-warn   { background: var(--warning-bg); border-color: #fcd34d; color: #78350f; }
.alert-danger { background: var(--danger-bg); border-color: #fca5a5; color: #7f1d1d; }
.alert-info   { background: var(--info-bg); border-color: #93c5fd; color: var(--info-text); }

.alert strong { display: block; margin-bottom: 4px; }
.alert p:last-child { margin-bottom: 0; }

/* ===== 表格 ===== */
.table-wrap {
    overflow-x: auto;
    margin: 20px 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.content th, .content td {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.content th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.content tr:last-child td { border-bottom: none; }
.content tr:hover td { background: var(--gray-50); }

/* ===== 下载卡片（重置密码页专用） ===== */
.download-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 28px 32px;
    background: linear-gradient(135deg, var(--green-light) 0%, #f0fdf4 100%);
    border: 1px solid #86efac;
    border-radius: var(--radius-lg);
    margin: 32px 0;
}

.download-card .icon {
    width: 64px;
    height: 64px;
    background: var(--green);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
}

.download-card .info { flex: 1; }
.download-card .info h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 4px;
}
.download-card .info p {
    font-size: 13px;
    color: var(--gray-600);
    margin: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--green);
    color: #fff;
}
.btn-primary:hover {
    background: var(--green-dark);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(34,197,94,0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-800);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    background: var(--gray-100);
    text-decoration: none;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 15px;
}

/* ===== 步骤列表 ===== */
.steps {
    counter-reset: step;
    list-style: none;
    margin: 24px 0;
    padding: 0;
}

.steps li {
    counter-increment: step;
    position: relative;
    padding: 16px 20px 16px 60px;
    background: var(--gray-50);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
}

.steps li::before {
    content: counter(step);
    position: absolute;
    left: 16px;
    top: 16px;
    width: 28px;
    height: 28px;
    background: var(--green);
    color: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.steps li strong {
    display: block;
    color: var(--dark);
    margin-bottom: 4px;
}

.steps li code {
    background: var(--white);
    color: var(--gray-800);
    border: 1px solid var(--border);
}

/* ===== 卡片网格 ===== */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.card {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    transition: all 0.2s;
}

.card:hover {
    border-color: var(--green);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.card .ci {
    font-size: 24px;
    margin-bottom: 12px;
}

.card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 6px;
}

.card p {
    font-size: 13px;
    color: var(--gray-600);
    margin: 0;
}

.card a {
    color: var(--green-dark);
    font-weight: 600;
    font-size: 13px;
}

/* ===== Footer ===== */
.footer {
    border-top: 1px solid var(--border);
    padding: 24px 56px;
    font-size: 13px;
    color: var(--gray-500);
    text-align: center;
    background: var(--gray-50);
}

.footer a { color: var(--gray-600); }

/* ===== 移动端 ===== */
@media (max-width: 1024px) {
    .layout { grid-template-columns: 220px 1fr; }
    .content { padding: 40px 32px; }
}

@media (max-width: 768px) {
    .topbar-nav a:not(.cta) { display: none; }
    .menu-toggle { display: flex; align-items: center; justify-content: center; }

    .layout { grid-template-columns: 1fr; }

    .sidebar {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        height: auto;
        max-height: 0;
        border-right: none;
        border-bottom: 1px solid var(--border);
        background: var(--white);
        padding: 0 16px;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
        z-index: 99;
    }
    .sidebar.open {
        max-height: calc(100vh - 56px);
        padding: 16px;
        overflow-y: auto;
    }

    .content { padding: 32px 20px; }
    .content h1 { font-size: 28px; }
    .footer { padding: 20px; }

    .download-card { flex-direction: column; text-align: center; }
    .steps li { padding: 16px 16px 16px 56px; }
}