/* ============================================================
   合规页面公共样式
   用于 about.html / privacy.html / agreement.html / risk.html
   访问路径：/compliance/style.css
   ============================================================ */

:root {
    --brand: #1e3454;
    --brand-light: #2d4a75;
    --accent: #3c8cff;
    --text: #1f2937;
    --text-muted: #6b7280;
    --line: #e5e7eb;
    --bg: #f7f9fc;
    --card: #ffffff;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04);
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
    padding-bottom: 48px;
}

/* ---------- 顶部导航 ---------- */
.prove-header {
    background: var(--brand);
    color: #fff;
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(16, 24, 40, .12);
}

.prove-header__inner {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.prove-header__brand {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: .3px;
    color: #fff;
    text-decoration: none;
}

.prove-header__back {
    font-size: 14px;
    color: rgba(255, 255, 255, .82);
    text-decoration: none;
    white-space: nowrap;
}

.prove-header__back:hover {
    color: #fff;
}

/* ---------- 主体卡片 ---------- */
.prove-main {
    max-width: 780px;
    margin: 24px auto;
    padding: 0 20px;
}

.prove-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 36px 40px 40px;
}

.prove-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--brand);
    margin-bottom: 6px;
    line-height: 1.4;
}

.prove-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line);
}

.prove-card h2 {
    font-size: 17px;
    font-weight: 600;
    color: var(--brand);
    margin: 28px 0 10px;
    padding-left: 10px;
    border-left: 3px solid var(--accent);
    line-height: 1.5;
}

.prove-card h2:first-of-type {
    margin-top: 4px;
}

.prove-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--brand-light);
    margin: 18px 0 8px;
}

.prove-card p {
    margin-bottom: 12px;
    color: var(--text);
}

.prove-card ul,
.prove-card ol {
    margin: 0 0 14px 20px;
}

.prove-card li {
    margin-bottom: 7px;
}

.prove-card strong {
    font-weight: 600;
    color: var(--brand);
}

.prove-card a {
    color: var(--accent);
    text-decoration: none;
}

.prove-card a:hover {
    text-decoration: underline;
}

/* ---------- 信息表 ---------- */
.prove-table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0 18px;
    font-size: 14.5px;
}

.prove-table th,
.prove-table td {
    padding: 11px 14px;
    border: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.prove-table th {
    background: #f3f6fb;
    font-weight: 600;
    color: var(--brand);
    width: 34%;
    white-space: nowrap;
}

/* ---------- 提示框 ---------- */
.prove-notice {
    background: #f0f6ff;
    border: 1px solid #cfe2ff;
    border-left: 4px solid var(--accent);
    border-radius: 8px;
    padding: 14px 18px;
    margin: 18px 0;
    font-size: 14.5px;
    color: #1e40af;
}

.prove-warning {
    background: #fff8ed;
    border: 1px solid #ffe0b2;
    border-left: 4px solid #f59e0b;
    border-radius: 8px;
    padding: 14px 18px;
    margin: 18px 0;
    font-size: 14.5px;
    color: #92400e;
}

/* ---------- 免责声明块 ---------- */
.prove-disclaimer {
    background: #f9fafb;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 18px 20px;
    margin: 24px 0 0;
    font-size: 13.5px;
    line-height: 1.8;
    color: var(--text-muted);
}

.prove-disclaimer strong {
    color: var(--text);
}

/* ---------- 文档切换 ---------- */
.prove-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
}

.prove-nav a {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--line);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: all .18s ease;
}

.prove-nav a:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.prove-nav a.is-active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

/* ---------- 页脚 ---------- */
.prove-footer {
    max-width: 780px;
    margin: 20px auto 0;
    padding: 0 20px;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.9;
}

.prove-footer__links {
    margin-bottom: 6px;
}

.prove-footer__links a {
    color: var(--text-muted);
    text-decoration: none;
    margin: 0 6px;
}

.prove-footer__links a:hover {
    color: var(--accent);
}

.prove-footer__copy {
    padding-top: 8px;
    border-top: 1px solid var(--line);
}

/* ---------- 移动端 ---------- */
@media (max-width: 640px) {
    body {
        font-size: 14.5px;
    }

    .prove-main {
        margin: 14px auto;
        padding: 0 12px;
    }

    .prove-card {
        padding: 24px 18px 28px;
        border-radius: 10px;
    }

    .prove-title {
        font-size: 20px;
    }

    /* 表格转为竖排 */
    .prove-table,
    .prove-table tbody,
    .prove-table tr,
    .prove-table th,
    .prove-table td {
        display: block;
        width: 100%;
    }

    .prove-table tr {
        border: 1px solid var(--line);
        border-radius: 8px;
        margin-bottom: 10px;
        overflow: hidden;
    }

    .prove-table th {
        background: #f3f6fb;
        border: 0;
        border-bottom: 1px solid var(--line);
        white-space: normal;
    }

    .prove-table td {
        border: 0;
    }

    .prove-footer {
        padding: 0 12px;
    }
}

/* ---------- 打印 ---------- */
@media print {
    body {
        background: #fff;
        padding: 0;
    }

    .prove-header,
    .prove-nav,
    .prove-footer__links {
        display: none;
    }

    .prove-card {
        box-shadow: none;
        padding: 0;
    }

    .prove-main {
        max-width: none;
        margin: 0;
        padding: 0;
    }
}