/* ============================================================
   fs-layout.css  —  功能选择模块公共布局样式
   topbar + footer 统一使用
   ============================================================ */

/* ── CSS 变量 ── */
:root {
    --primary:       #1a56db;
    --primary-light: #e8f0fe;
    --primary-dark:  #1240a8;
    --gray-50:  #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #6b7280;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --shadow:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
}

/* ── 顶部栏 ── */
.fs-topbar {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 32px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.fs-topbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.fs-topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.fs-selected-badge {
    background: var(--primary);
    color: #fff;
    border-radius: 20px;
    padding: 4px 14px;
    font-size: 16px;
    font-weight: 500;
}

/* ── 页脚 ── */
.fs-footer {
    background: #f3f4f6;
    border-top: 1px solid var(--gray-200);
    color: var(--gray-600);
}
.has-bottom-bar .fs-footer { padding-bottom: 80px; }
.fs-footer-inner {
    max-width: min(1400px, calc(100vw - 48px));
    margin: 0 auto;
    padding: 40px 24px 28px;
    display: flex;
    gap: 40px;
    align-items: flex-start;
}
/* 左列 */
.fs-footer-brand { flex: 1.2; }
.fs-footer-logo {
    height: 56px;
    width: auto;
    margin-bottom: 14px;
    display: block;
}
.fs-footer-tagline {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-700);
    line-height: 1.5;
    letter-spacing: .3px;
    margin-top: 0;
}
.fs-footer-tagline + .fs-footer-tagline {
    font-size: 13px;
    font-weight: 400;
    color: var(--gray-500);
    margin-top: 2px;
}
.fs-footer-info { display: flex; flex-direction: column; gap: 4px; }
.fs-footer-info-item {
    font-size: 14px;
    color: var(--gray-600);
    display: flex;
    align-items: flex-start;
    gap: 7px;
    line-height: 1.5;
    margin-top: 10px;
}
.fs-footer-info-item i { margin-top: 2px; color: var(--primary); flex-shrink: 0; }
.fs-footer-info-item a { color: var(--primary); text-decoration: none; }
.fs-footer-info-item a:hover { color: var(--primary-dark); }
/* 中列 */
.fs-footer-copy {
    flex: 1.4;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 4px;
}
.fs-footer-company { font-size: 16px; font-weight: 600; color: var(--gray-800); }
.fs-footer-rights  { font-size: 14px; color: var(--gray-600); }
.fs-footer-icp {
    font-size: 12px;
    color: var(--gray-400);
    text-decoration: none;
    display: inline-block;
    margin-top: 4px;
}
.fs-footer-icp:hover { color: var(--primary); }
/* 右列：二维码 */
.fs-footer-qr { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; justify-content: center; }
.fs-footer-qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
}
.fs-footer-qr-item img {
    width: 110px;
    height: 110px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    background: #fff;
    padding: 4px;
}
.fs-footer-qr-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}
.fs-footer-qr-desc {
    font-size: 12px;
    color: var(--gray-400);
}
/* 底部版权条 */
.fs-footer-bottom {
    border-top: 1px solid var(--gray-200);
    text-align: center;
    padding: 14px 24px;
    font-size: 12px;
    color: var(--gray-400);
}

/* ── 响应式 ── */
@media (max-width: 768px) {
    .fs-footer-inner { flex-wrap: wrap; gap: 28px; padding: 28px 16px 20px; }
    .fs-footer-brand,
    .fs-footer-copy  { flex: 1 1 100%; }
    .fs-footer-qr    { width: 100%; justify-content: center; }
}
@media (max-width: 640px) {
    .fs-topbar { padding: 0 12px; height: 56px; }
    .fs-topbar-brand img:first-child { height: 38px !important; }
    .fs-topbar-brand img:last-child  { height: 28px !important; }
    .has-bottom-bar .fs-footer { padding-bottom: 120px; }
}

/* ── 打印时隐藏 ── */
@media print {
    .fs-topbar, .fs-footer { display: none !important; }
}