/* ==========================================================================
   整页落地页专用：页脚 + 悬浮工具样式
   从 style.css 自动抽取并加 .rrsc-site-footer 命名空间，避免与原站 CSS 冲突
   ========================================================================== */

.rrsc-site-footer {
    --primary: #2b6bf3;
    --primary-dark: #1d54d8;
    --grad: linear-gradient(135deg, #4a8cff 0%, #2563eb 100%);
    --gray-100: #f5f6f8;
    --gray-300: #dddddd;
    --gray-500: #888888;
    --gray-700: #555555;
    --gray-900: #333333;
    --maxw: 1200px;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-900);
}

/* 命名空间内的基础重置（不污染原站其它区域） */
.rrsc-site-footer a { color: inherit; text-decoration: none; transition: color .2s; }
.rrsc-site-footer a:hover { color: var(--primary); }
.rrsc-site-footer ul { list-style: none; }
.rrsc-site-footer p { margin: 0; }
.rrsc-site-footer img { border: 0; }
.rrsc-site-footer .container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }

.rrsc-site-footer .logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: 1px; }

.rrsc-site-footer .logo-mark {
    width: 38px; height: 38px; border-radius: 9px; background: var(--grad);
    display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; font-weight: 700;
}

.rrsc-site-footer .footer { background: #262626; color: #aaa; padding: 46px 0 0; font-size: 14px; }

.rrsc-site-footer .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 30px; padding-bottom: 30px; }

.rrsc-site-footer .footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }

.rrsc-site-footer .footer li { padding: 5px 0; }

.rrsc-site-footer .footer li a:hover { color: var(--primary); }

.rrsc-site-footer .footer .logo { color: #fff; margin-bottom: 12px; }

.rrsc-site-footer .footer p { font-size: 13px; line-height: 1.9; }

.rrsc-site-footer .footer-bottom { border-top: 1px solid #3a3a3a; padding: 16px 0; text-align: center; font-size: 13px; color: #777; }

.rrsc-site-footer .friend-links { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-bottom: 14px; }

.rrsc-site-footer .friend-links a { color: #999; font-size: 13px; }

.rrsc-site-footer .float-kefu { position: fixed; right: 16px; bottom: 80px; z-index: 998; display: flex; flex-direction: column; gap: 10px; }

.rrsc-site-footer .float-kefu a, .rrsc-site-footer .float-kefu .gotop, .rrsc-site-footer .float-kefu .fk-btn {
    width: 52px; height: 52px; border-radius: 50%; background: #fff; box-shadow: 0 4px 16px rgba(0, 0, 0, .16);
    display: flex; align-items: center; justify-content: center; color: var(--primary); cursor: pointer; font-size: 22px;
}

.rrsc-site-footer .float-kefu .gotop { font-size: 18px; }

.rrsc-site-footer .float-kefu a:hover, .rrsc-site-footer .float-kefu .gotop:hover, .rrsc-site-footer .float-kefu .fk-btn:hover { background: var(--grad); color: #fff; }

.rrsc-site-footer .fk-item { position: relative; display: flex; }

.rrsc-site-footer .fk-pop {
    position: absolute; right: 64px; top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: #fff; border-radius: 12px; box-shadow: 0 8px 28px rgba(0, 0, 0, .18);
    padding: 14px 20px; white-space: nowrap; text-align: center;
    opacity: 0; visibility: hidden; transition: opacity .22s ease, transform .22s ease, visibility .22s;
    z-index: 999; pointer-events: none;
}

.rrsc-site-footer .fk-pop::after {
    content: ''; position: absolute; right: -5px; top: 50%; margin-top: -5px;
    width: 10px; height: 10px; background: #fff; transform: rotate(45deg);
}

.rrsc-site-footer .fk-item:hover .fk-pop, .rrsc-site-footer .fk-item.open .fk-pop, .rrsc-site-footer .fk-item:focus-within .fk-pop {
    opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0);
}

.rrsc-site-footer .fk-pop-label { font-size: 12px; color: var(--gray-500); margin-bottom: 2px; }

.rrsc-site-footer .fk-pop-tel { font-size: 20px; font-weight: 800; color: var(--primary); letter-spacing: .5px; }

.rrsc-site-footer .fk-pop-hint { font-size: 12px; color: var(--gray-500); margin-top: 4px; }

.rrsc-site-footer .fk-pop-qr { padding: 14px; }

.rrsc-site-footer .fk-pop-qr img { display: block; width: 140px; height: 140px; object-fit: contain; border-radius: 8px; background: var(--gray-100); }

.rrsc-site-footer .fk-pop-qr p { font-size: 12px; color: var(--gray-700); margin-top: 8px; }

/* 移动端适配 */
@media (max-width: 768px) {
    .rrsc-site-footer .footer-grid { grid-template-columns: 1fr; gap: 18px; }
    .rrsc-site-footer .footer { padding: 30px 0 0; }
    .rrsc-site-footer .float-kefu { right: 10px; bottom: 66px; }
}