/* 梨课程隐私政策共用样式：入口页与各版本政策页 */

:root {
    --bg: #f5f5f7;
    --white: #fff;
    --text: #1d1d1f;
    --text-s: #52525b;
    --text-xs: #86868b;
    --line: #e8e8ed;
    --accent: #E2B007;
    --accent-soft: #fff9e6;
    --link: #06c;
    --radius: 26px;
    --shadow-card: 0 1px 3px rgba(0, 0, 0, .04), 0 6px 20px rgba(0, 0, 0, .05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
        "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 780px;
    margin: 0 auto;
    padding: 44px 24px 72px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    font-size: 16px;
    text-decoration: none;
    margin-bottom: 28px;
}

.back-link:hover {
    text-decoration: underline;
}

.page-head {
    margin-bottom: 26px;
}

h1 {
    font-size: 42px;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.meta-line {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 14px;
    color: var(--text-xs);
    margin-bottom: 16px;
}

.meta-line strong {
    color: var(--text-s);
    font-weight: 650;
}

.lead {
    font-size: 16px;
    color: var(--text-s);
}

/* ── 卡片 ── */
.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 34px 38px;
    box-shadow: var(--shadow-card);
    margin-bottom: 20px;
    scroll-margin-top: 20px;
}

.card h2 {
    font-size: 23px;
    line-height: 1.35;
    font-weight: 650;
    letter-spacing: -0.01em;
    margin-bottom: 14px;
}

.card h2 .num {
    display: inline-block;
    min-width: 30px;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

.card h3 {
    font-size: 17px;
    font-weight: 650;
    margin: 22px 0 8px;
}

.card h3:first-of-type {
    margin-top: 6px;
}

p {
    font-size: 15.5px;
    color: var(--text-s);
    margin-bottom: 11px;
}

ul,
ol {
    padding-left: 22px;
    margin-bottom: 12px;
}

li {
    font-size: 15.5px;
    color: var(--text-s);
    margin-bottom: 7px;
}

li>ul,
li>ol {
    margin-top: 7px;
    margin-bottom: 2px;
}

strong {
    color: var(--text);
    font-weight: 650;
}

code {
    background: #f5f5f7;
    border-radius: 4px;
    padding: 1px 6px;
    font-size: 13.5px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

a.inline {
    color: var(--link);
    text-decoration: none;
}

a.inline:hover {
    text-decoration: underline;
}

.muted {
    font-size: 13.5px;
    color: var(--text-xs);
}

/* ── 提示框 ── */
.note {
    background: #f8f8fa;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px 18px;
    margin: 14px 0;
}

.note p:last-child,
.note ul:last-child,
.note li:last-child {
    margin-bottom: 0;
}

.note--warn {
    background: var(--accent-soft);
    border-color: #f0dfae;
    border-left: 4px solid var(--accent);
    border-radius: 4px 14px 14px 4px;
}

.note--warn p,
.note--warn li {
    color: #5c4a00;
}

.note-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
    letter-spacing: .02em;
}

/* ── 表格 ── */
.table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 12px 0 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 560px;
}

caption {
    caption-side: top;
    text-align: left;
    font-size: 13px;
    color: var(--text-xs);
    padding: 10px 14px 8px;
}

th,
td {
    text-align: left;
    font-size: 14px;
    line-height: 1.6;
    padding: 11px 14px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

thead th {
    background: #fafafb;
    color: var(--text);
    font-weight: 650;
    white-space: nowrap;
}

tbody tr:last-child th,
tbody tr:last-child td {
    border-bottom: none;
}

td {
    color: var(--text-s);
}

td strong {
    color: var(--text);
}

.yes {
    color: #1a7f37;
    font-weight: 650;
}

.no {
    color: #a0a0a8;
    font-weight: 650;
}

.table-hint {
    display: none;
    font-size: 12.5px;
    color: var(--text-xs);
    margin: -6px 0 14px;
}

/* ── 目录 ── */
.toc {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 22px;
    margin-top: 8px;
}

.toc a {
    display: block;
    padding: 8px 0;
    font-size: 14.5px;
    color: var(--text-s);
    text-decoration: none;
    border-bottom: 1px solid #f2f2f5;
}

.toc a:hover {
    color: var(--text);
}

.toc .toc-num {
    display: inline-block;
    width: 24px;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
    font-weight: 650;
}

/* ── 概览 ── */
.overview-desc {
    font-size: 14.5px;
    color: var(--text-s);
    margin: 6px 0 18px;
}

.facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.fact {
    background: #fafafb;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 13px 15px;
}

.fact dt {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-xs);
    letter-spacing: .02em;
    margin-bottom: 4px;
}

.fact dd {
    font-size: 14px;
    color: var(--text);
    line-height: 1.55;
}

/* ── 入口页 ── */
.entry-list {
    display: grid;
    gap: 14px;
}

.entry {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 22px;
    border: 1.5px solid var(--line);
    border-radius: 20px;
    background: #fafafb;
    text-decoration: none;
    color: var(--text);
    transition: border-color .16s ease, background .16s ease;
}

.entry:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.entry:focus-visible {
    outline: 3px solid rgba(226, 176, 7, .45);
    outline-offset: 2px;
}

.entry-main {
    min-width: 0;
}

.entry-name {
    display: block;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.4;
}

.entry-desc {
    display: block;
    margin-top: 4px;
    font-size: 13px;
    color: var(--text-s);
    line-height: 1.6;
}

.entry-date {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-xs);
}

.entry-arrow {
    flex: none;
    font-size: 22px;
    color: var(--accent);
}

/* ── 页脚 ── */
.footer-note {
    text-align: center;
    font-size: 13px;
    color: var(--text-xs);
    margin-top: 28px;
    line-height: 1.8;
}

.footer-note a {
    color: var(--link);
    text-decoration: none;
}

/* ── 响应式 ── */
@media (max-width: 734px) {
    .container {
        padding: 30px 16px 48px;
    }

    h1 {
        font-size: 32px;
    }

    .card {
        padding: 26px 22px;
        border-radius: 20px;
    }

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

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

    .card h2 {
        font-size: 20px;
    }

    .table-hint {
        display: block;
    }

    .entry {
        padding: 16px 18px;
    }

    .entry-name {
        font-size: 16px;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #121216;
        --white: #1c1c21;
        --text: #f2f2f5;
        --text-s: #c2c2ca;
        --text-xs: #9a9aa3;
        --line: #2c2c33;
        --accent-soft: #2a2412;
        --shadow-card: none;
    }

    body {
        background: var(--bg);
    }

    .fact,
    .note {
        background: #232329;
    }

    .note--warn {
        background: #2a2412;
        border-color: #4a3d18;
    }

    .note--warn p,
    .note--warn li {
        color: #e8dba9;
    }

    thead th {
        background: #232329;
    }

    .entry {
        background: #232329;
    }

    .entry:hover {
        background: #2a2412;
    }

    code {
        background: #2a2a31;
    }
}

@media print {

    .back-link {
        display: none;
    }

    .container {
        max-width: none;
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }

    body {
        background: #fff;
    }
}