/* Water Design System — 红糖花 共享样式 */
:root {
    --water-bg: #e5eff1;
    --water-card: #fafcfd;
    --water-text: #2a3438;
    --water-text-soft: #3d4a4e;
    --water-text-muted: #4f5d63;
    --water-accent: #5a9a9a;
    --water-accent-soft: #8ebfbf;
    --water-block-1: #ffffff;
    --water-block-2: #f4f9fa;
    --water-block-3: #eef6f7;
}
body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;
    background: linear-gradient(160deg, #dde9eb 0%, #e8f2f4 40%, #eef4f5 100%);
    color: var(--water-text);
    font-weight: 500;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.container {
    max-width: 420px;
    padding: 20px;
    background: var(--water-card);
    backdrop-filter: blur(8px);
    border-radius: 28px;
    box-shadow: 0 6px 28px rgba(90, 154, 154, 0.1), 0 0 0 1px rgba(90, 154, 154, 0.06);
    margin-left: auto;
    margin-right: auto;
}
h5 {
    font-size: 22px;
    margin: 0 0 12px 0;
    padding: 0 0 10px 0;
    color: #8a9599;
    font-weight: 600;
    border-bottom: 1px solid rgba(90, 154, 154, 0.15);
}
ul { list-style: none; margin: 0; padding: 0; }
li { margin-bottom: 6px; }
.links {
    display: block;
    text-align: center;
    padding: 12px 20px;
    font-size: 19px;
    color: var(--water-text-soft);
    text-decoration: none;
    border: none;
    border-radius: 20px;
    background: var(--water-block-1);
    transition: all 0.3s ease;
    box-shadow: 0 2px 12px rgba(90, 154, 154, 0.06);
    margin-bottom: 6px;
}
.links:hover {
    background: var(--water-block-3);
    color: var(--water-accent);
    text-decoration: none;
}
.section-box {
    background: var(--water-block-2);
    padding: 20px;
    margin-bottom: 16px;
    border-radius: 24px;
    box-shadow: 0 4px 20px rgba(90, 154, 154, 0.06);
}
.section-box .links { text-align: left; }
.home-banner {
    display: block;
    margin: 0 auto 16px;
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(90, 154, 154, 0.1);
    transition: opacity 0.3s ease;
}
.home-banner:hover { opacity: 0.92; }
.footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: #8a9599;
}
.footer .links {
    font-size: 14px;
    padding: 8px 14px;
    display: inline-block;
}

/* 暗黑模式 */
:root[data-theme="dark"] {
    --water-bg: #1a1d1e; --water-card: #25282a;
    --water-text: #e8eaeb; --water-text-soft: #c8cccf; --water-text-muted: #9ca0a4;
    --water-accent: #6bb3b3; --water-accent-soft: #8ec9c9;
    --water-block-1: #2d3134; --water-block-2: #25282a; --water-block-3: #32363a;
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --water-bg: #1a1d1e; --water-card: #25282a;
        --water-text: #e8eaeb; --water-text-soft: #c8cccf; --water-text-muted: #9ca0a4;
        --water-accent: #6bb3b3; --water-accent-soft: #8ec9c9;
        --water-block-1: #2d3134; --water-block-2: #25282a; --water-block-3: #32363a;
    }
}
:root[data-theme="dark"] body { background: linear-gradient(160deg, #1a1d1e 0%, #222628 40%, #25282a 100%) !important; color: var(--water-text) !important; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) body { background: linear-gradient(160deg, #1a1d1e 0%, #222628 40%, #25282a 100%) !important; color: var(--water-text) !important; } }
:root[data-theme="dark"] .container { background: var(--water-card) !important; box-shadow: 0 6px 28px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.06) !important; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .container { background: var(--water-card) !important; box-shadow: 0 6px 28px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.06) !important; } }
:root[data-theme="dark"] h5 { color: #9ca0a4; border-bottom-color: rgba(255,255,255,0.08); }
:root[data-theme="dark"] .links { background: var(--water-block-1); color: var(--water-text-soft); box-shadow: 0 2px 12px rgba(0,0,0,0.2); }
:root[data-theme="dark"] .links:hover { background: var(--water-block-3); color: var(--water-accent-soft); }
:root[data-theme="dark"] .section-box { background: var(--water-block-2); box-shadow: 0 4px 20px rgba(0,0,0,0.25); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .links { background: var(--water-block-1); color: var(--water-text-soft); } }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .section-box { background: var(--water-block-2); } }