/* 公司信息与合规展示：主页底部 + 顶栏「关于我们」入口。
   独立文件，避免改动 one-page.css 影响既有版式。 */

/* 顶栏语言切换：中文 / EN 两态，选中态用品牌绿描边 */
.lang-switch {
    display: inline-flex;
    align-items: center;
    padding: 2px;
    gap: 2px;
    border: 1px solid #2a2e2f;
    border-radius: 100px;
    background: #101213;
    flex-shrink: 0;
}
.lang-switch button {
    appearance: none;
    border: 0;
    background: transparent;
    color: #8b9496;
    font: 500 12px/1 var(--sans, system-ui, sans-serif);
    padding: 6px 11px;
    border-radius: 100px;
    cursor: pointer;
    white-space: nowrap;
    transition: color .2s, background .2s;
}
.lang-switch button:hover {
    color: var(--ink);
}
.lang-switch button.is-active {
    background: #c4e201;
    color: #15200c;
    font-weight: 650;
}
.lang-switch button:focus-visible {
    outline: 2px solid #c4e201;
    outline-offset: 2px;
}

/* 中文「加入TG免费领额度」不需要空格；英文必须留一个，否则两段词粘在一起 */
html[lang="en"] .tg-join-btn .label-tail {
    margin-left: .32em;
}

.site-footer {
    flex-shrink: 0;
    border-top: 1px solid var(--line);
    background: #0d0e10;
    padding: 26px 0 30px;
    font-size: 12px;
    line-height: 1.9;
    color: #7e8789;
}
.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px 32px;
}
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
}
.footer-name {
    font-size: 16px;
    font-weight: 650;
    color: var(--ink);
}
.footer-owner {
    font: 10px var(--mono);
    color: #626b6d;
    letter-spacing: .04em;
}
.footer-company {
    display: flex;
    flex-direction: column;
    gap: 2px;
    color: #8b9496;
    min-width: 0;
}
.footer-company b { color: #c3cac8; font-weight: 600; }
.footer-company code {
    font: 11.5px var(--mono);
    color: #cfd6d2;
    background: #16191a;
    border: 1px solid #272b2c;
    border-radius: 3px;
    padding: 1px 5px;
}
.footer-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 18px;
    flex-shrink: 0;
}
.footer-meta a {
    color: #9aa3a4;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: #3d4445;
    transition: color .2s, text-decoration-color .2s;
}
.footer-meta a:hover {
    color: var(--ink);
    text-decoration-color: #6d7677;
}
.footer-copy { color: #646d6f; }

@media (max-width: 900px) {
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
    .footer-meta { gap: 8px 14px; }
}
@media (max-width: 760px) {
    .site-footer { padding: 20px 0 24px; font-size: 11px; }
    .lang-switch { padding: 1px; }
    .lang-switch button { font-size: 10.5px; padding: 5px 8px; }
    .footer-name { font-size: 15px; }
    .footer-company code { font-size: 10.5px; }
}