:root {
    --page-bg: #f0f2f5;
    --surface: #ffffff;
    --surface-soft: #f6f7f9;
    --line: #dee3eb;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --accent: #ea7a15;
    --accent-soft: #fff1e5;
    --link: #2563eb;
    --shadow: 0 16px 42px rgba(31, 41, 55, 0.08);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at 8% 0, #f8fafc 0, #f0f2f5 42%, #eef1f4 100%);
    color: var(--text-primary);
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

.legal-topbar {
    width: 100%;
    border-bottom: 1px solid #d7dde7;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 3px 14px rgba(15, 23, 42, 0.06);
}

.legal-topbar-inner {
    width: min(1240px, 100%);
    margin: 0 auto;
    min-height: 74px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.legal-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #182131;
    font-weight: 600;
    font-size: 1.06rem;
    letter-spacing: 0.01em;
}

.legal-brand img {
    width: 152px;
    height: auto;
    display: block;
}

.legal-social {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 18px;
}

.legal-social a {
    display: inline-flex;
    align-items: center;
    padding: 2px 0;
    font-size: 0.93rem;
    color: #475569;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.legal-social a:hover {
    color: #1e293b;
    border-color: #94a3b8;
}

.legal-page {
    width: min(1240px, calc(100% - 40px));
    margin: 24px auto 20px;
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    background: var(--surface-soft);
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: 300px 1fr;
}

.legal-sidebar {
    border-right: 1px solid var(--line);
    background: var(--surface-soft);
}

.legal-title {
    margin: 0;
    padding: 26px 24px 20px;
    font-size: 1.58rem;
    font-weight: 700;
    color: #202938;
    border-bottom: 1px solid var(--line);
}

.legal-nav {
    display: flex;
    flex-direction: column;
}

.legal-nav a {
    min-height: 72px;
    border-bottom: 1px solid var(--line);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 24px;
    color: #425067;
    font-size: 1.05rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.legal-nav a::before {
    content: "›";
    opacity: 0;
    color: var(--accent);
    font-weight: 700;
    transform: translateX(-4px);
    transition: all 0.2s ease;
}

.legal-nav a:hover {
    background: #ffffff;
    color: #1f2a3d;
}

.legal-nav a.active {
    background: #ffffff;
    color: #b75a08;
    font-weight: 700;
    box-shadow: inset 3px 0 0 var(--accent);
}

.legal-nav a.active::before {
    opacity: 1;
    transform: translateX(0);
}

.legal-main {
    background: #ffffff;
    padding: 38px 44px 44px;
}

.legal-panel h1 {
    margin: 0 0 12px;
    font-size: 2rem;
    letter-spacing: 0.01em;
}

.legal-panel h2 {
    margin: 28px 0 10px;
    font-size: 1.25rem;
}

.legal-panel p,
.legal-panel li {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

.legal-panel p + p {
    margin-top: 14px;
}

.legal-panel ul {
    margin: 0;
    padding-left: 20px;
    display: grid;
    gap: 10px;
}

.note-box {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 10px;
    border: 1px solid #fed7aa;
    background: var(--accent-soft);
}

.note-box p {
    color: #92400e;
    font-size: 0.96rem;
}

.contact-email {
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid #c7d2fe;
    background: #eef2ff;
    color: #3730a3;
    font-weight: 600;
}

.link-grid {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 12px;
}

.link-card {
    display: block;
    border: 1px solid #dbe2ec;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 10px;
    padding: 14px;
    transition: all 0.2s ease;
}

.link-card:hover {
    border-color: #bfd0e7;
    transform: translateY(-2px);
}

.link-card h3 {
    margin: 0 0 8px;
    font-size: 1rem;
    color: #1f2937;
}

.link-card p {
    font-size: 0.93rem;
    color: #56657b;
    line-height: 1.7;
}

.legal-footer {
    width: 100%;
    margin: 0;
    padding: 14px max(20px, calc((100vw - 1240px) / 2 + 20px)) 20px;
    border: 0;
    border-top: 1px solid #d7dde7;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 -3px 14px rgba(15, 23, 42, 0.05);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.legal-footer a {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid #d8e0ea;
    color: #334155;
    font-size: 0.92rem;
    transition: all 0.2s ease;
}

.legal-footer a:hover {
    border-color: #bcc9dd;
    background: #f6f9fe;
}

.legal-footer a.active {
    border-color: #fdba74;
    background: var(--accent-soft);
    color: #9a3412;
}

.legal-footer .copyright {
    margin-left: auto;
    color: #6b7280;
    font-size: 0.88rem;
}

@media (max-width: 960px) {
    .legal-topbar {
        border-bottom-color: #dce2ec;
    }

    .legal-topbar-inner {
        min-height: 64px;
        padding: 10px 12px;
        flex-wrap: wrap;
        gap: 8px 14px;
    }

    .legal-brand {
        font-size: 0.95rem;
    }

    .legal-brand img {
        width: 132px;
    }

    .legal-social {
        justify-content: flex-start;
        width: 100%;
        gap: 12px;
    }

    .legal-social a {
        font-size: 0.88rem;
    }

    .legal-page {
        grid-template-columns: 1fr;
        width: calc(100% - 20px);
        margin: 14px auto 10px;
    }

    .legal-sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .legal-title {
        font-size: 1.28rem;
        padding: 16px 16px 12px;
    }

    .legal-nav {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .legal-nav a {
        min-height: 52px;
        border-right: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
        padding: 0 12px;
        font-size: 0.92rem;
    }

    .legal-main {
        padding: 20px 16px 24px;
    }

    .legal-panel h1 {
        font-size: 1.6rem;
    }

    .legal-panel p,
    .legal-panel li {
        font-size: 0.99rem;
        line-height: 1.78;
    }

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

    .legal-footer {
        width: 100%;
        margin: 0;
        padding: 12px 12px 16px;
    }

    .legal-footer .copyright {
        margin-left: 0;
        width: 100%;
    }
}