/* =====================================================================
   差旅申报系统 - 统一深色科技风样式表
   基于 admin_style.css 设计令牌，统一所有页面视觉风格
   ===================================================================== */

:root{
    --bg-0:#070f1f; --bg-1:#0a1628; --bg-2:#0f1f3c;
    --accent:#3b82f6; --accent-2:#06b6d4; --accent-glow:rgba(59,130,246,0.45);
    --text:#e8eef7; --text-dim:#8da2c0; --text-bright:#ffffff;
    --danger:#ef4444; --danger-glow:rgba(239,68,68,0.4);
    --warning:#d97706; --success:#22c55e;
    --card:rgba(15,31,60,0.72); --card-hover:rgba(20,40,75,0.80); --card-solid:rgba(15,31,60,0.92);
    --border:rgba(59,130,246,0.22); --border-bright:rgba(59,130,246,0.45);
    --radius:clamp(14px,1vw,24px); --radius-sm:10px;
    --shadow-1:0 4px 24px rgba(0,0,0,0.35); --shadow-2:0 8px 48px rgba(0,0,0,0.45);
    --font-main:"Microsoft YaHei","PingFang SC","HarmonyOS Sans SC","Noto Sans SC",system-ui,sans-serif;
    --font-mono:"JetBrains Mono","Fira Code","Cascadia Code",monospace;
}

*{margin:0;padding:0;box-sizing:border-box;font-family:var(--font-main);}
html,body{width:100%;min-height:100vh;background:var(--bg-0);color:var(--text);}
body{
    background:
        radial-gradient(ellipse 70% 50% at 20% 0%,rgba(59,130,246,0.18) 0%,transparent 55%),
        radial-gradient(ellipse 60% 45% at 85% 15%,rgba(6,182,212,0.14) 0%,transparent 50%),
        radial-gradient(ellipse 80% 60% at 50% 100%,rgba(99,102,241,0.12) 0%,transparent 55%),
        linear-gradient(160deg,var(--bg-0) 0%,var(--bg-1) 45%,var(--bg-2) 70%,var(--bg-0) 100%);
    background-attachment:fixed;
    padding:30px 16px;
}
body::before{
    content:'';position:fixed;inset:0;
    background-image:linear-gradient(rgba(59,130,246,0.06) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,0.06) 1px,transparent 1px);
    background-size:48px 48px;pointer-events:none;z-index:0;
}

/* ===================== 主容器 ===================== */
.container{position:relative;z-index:1;max-width:1240px;margin:0 auto;background:var(--card);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow-2);}
.container::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--accent),var(--accent-2),var(--accent),transparent);border-radius:var(--radius) var(--radius) 0 0;box-shadow:0 0 16px var(--accent-glow);}

/* ===================== 顶栏 ===================== */
.topbar{position:sticky;top:0;z-index:100;background:linear-gradient(135deg,var(--bg-1),var(--bg-2));border-bottom:1px solid var(--border);padding:0;}
.topbar-inner{max-width:1240px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 24px;flex-wrap:wrap;gap:12px;}
.topbar-left{display:flex;align-items:center;gap:12px;}
.logo-link{display:flex;align-items:center;gap:12px;text-decoration:none;}
.logo-img{height:48px;width:auto;object-fit:contain;max-width:100%;}
.logo-text{font-size:20px;color:var(--text-bright);font-weight:700;letter-spacing:1px;text-decoration:none;background:linear-gradient(135deg,#fff 0%,#93c5fd 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.topbar-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.topbar-nav a{color:var(--text-dim);font-size:14px;padding:8px 14px;border-radius:8px;transition:all 0.2s;text-decoration:none;}
.topbar-nav a:hover{background:rgba(59,130,246,0.15);color:var(--text-bright);}
.topbar-nav a.nav-admin{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;}
.topbar-nav .user-info{color:var(--text-dim);font-size:13px;margin-left:8px;}
.topbar-nav .btn-link{color:var(--accent-2);margin-left:6px;}

/* ===================== 按钮 ===================== */
.btn{padding:9px 20px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:16px;cursor:pointer;transition:transform 0.2s,box-shadow 0.2s,background 0.2s;font-weight:500;background:rgba(15,31,60,0.6);color:var(--text);text-decoration:none;display:inline-block;}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border:none;box-shadow:0 4px 16px var(--accent-glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px var(--accent-glow);text-decoration:none;}
.btn-secondary{background:rgba(100,116,139,0.5);color:var(--text);border:1px solid rgba(148,163,184,0.3);}
.btn-secondary:hover{background:rgba(71,85,105,0.6);transform:translateY(-1px);text-decoration:none;}
.btn-danger{background:linear-gradient(135deg,var(--danger),#b91c1c);color:#fff;border:none;box-shadow:0 4px 16px var(--danger-glow);}
.btn-danger:hover{transform:translateY(-2px);box-shadow:0 6px 24px var(--danger-glow);}
.btn-sm{padding:6px 14px;font-size:14px;margin:0 2px;}
.btn:active{transform:translateY(0);}

/* ===================== 导航卡片 ===================== */
.card-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-top:20px;margin-bottom:30px;}
.func-card{background:rgba(15,31,60,0.6);border:1px solid var(--border);border-radius:var(--radius-sm);padding:24px;text-align:center;cursor:pointer;transition:transform 0.2s,box-shadow 0.2s,background 0.2s,border-color 0.2s;text-decoration:none;color:var(--text);display:block;position:relative;overflow:hidden;}
.func-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent),var(--accent-2),transparent);opacity:0;transition:opacity 0.2s;}
.func-card:hover{background:var(--card-hover);transform:translateY(-4px);box-shadow:0 8px 24px var(--accent-glow);border-color:var(--border-bright);text-decoration:none;}
.func-card:hover::before{opacity:1;}
.card-icon{font-size:36px;margin-bottom:12px;}
.card-title{font-size:18px;color:var(--text-bright);margin-bottom:8px;font-weight:600;}
.card-desc{font-size:14px;color:var(--text-dim);line-height:1.5;}

/* ===================== 通用卡片 ===================== */
.card{background:rgba(15,31,60,0.4);border:1px solid var(--border);border-radius:var(--radius-sm);padding:24px;margin-bottom:20px;}
.card h2{font-size:20px;color:var(--text-bright);margin-bottom:16px;font-weight:600;}

/* ===================== 提示框 ===================== */
.tip-box{text-align:center;padding:12px 20px;border-radius:var(--radius-sm);margin-bottom:24px;font-size:17px;font-weight:500;}
.alert{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:15px;}
.alert-error{background:rgba(239,68,68,0.15);border:1px solid rgba(239,68,68,0.35);color:#fca5a5;}
.alert-success{background:rgba(34,197,94,0.15);border:1px solid rgba(34,197,94,0.35);color:#86efac;}
.alert-info{background:rgba(59,130,246,0.15);border:1px solid rgba(59,130,246,0.35);color:#93c5fd;}

/* ===================== 表单 ===================== */
.form-group{margin-bottom:22px;}
.form-group label{display:block;font-size:16px;color:var(--text-dim);margin-bottom:8px;font-weight:500;}
.form-group input[type="text"],.form-group input[type="password"],.form-group input[type="date"],
.form-group input[type="email"],.form-group input[type="tel"],.form-group input[type="number"],
.form-group select,.form-group textarea{
    width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:16px;
    background:rgba(7,15,31,0.6);color:var(--text);outline:none;transition:border-color 0.2s,box-shadow 0.2s;font-family:var(--font-main);
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);}
.form-group textarea{min-height:100px;resize:vertical;line-height:1.6;}
select option{background:var(--bg-1);color:var(--text);}

/* ===================== 表格 ===================== */
.table{width:100%;border-collapse:collapse;font-size:15px;background:rgba(15,31,60,0.3);border-radius:var(--radius-sm);overflow:hidden;}
.table th,.table td{border:1px solid var(--border);padding:12px 14px;text-align:left;}
.table th{background:rgba(59,130,246,0.15);color:var(--text-bright);font-weight:600;}
.table tr:hover td{background:rgba(59,130,246,0.08);}
.table-wrap{width:100%;overflow-x:auto;}

/* ===================== 状态标签 ===================== */
.badge{display:inline-block;padding:2px 10px;border-radius:8px;font-size:12px;font-weight:600;}
.badge-idle{background:rgba(34,197,94,0.2);color:#86efac;}
.badge-in-use{background:rgba(59,130,246,0.2);color:#93c5fd;}
.badge-maintenance{background:rgba(217,119,6,0.2);color:#fbbf24;}
.badge-broken{background:rgba(239,68,68,0.2);color:#fca5a5;}
.badge-submitted{background:rgba(59,130,246,0.2);color:#93c5fd;}
.badge-approved{background:rgba(34,197,94,0.2);color:#86efac;}
.badge-rejected{background:rgba(239,68,68,0.2);color:#fca5a5;}
.badge-completed{background:rgba(100,116,139,0.2);color:var(--text-dim);}

/* ===================== 工具栏 ===================== */
.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap;}
.toolbar input,.toolbar select{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;background:rgba(7,15,31,0.6);color:var(--text);font-family:var(--font-main);}
.toolbar label{font-size:14px;color:var(--text-dim);}

/* ===================== 弹窗 ===================== */
.modal-mask{display:none;position:fixed;inset:0;background:rgba(7,15,31,0.85);backdrop-filter:blur(6px);z-index:99;align-items:center;justify-content:center;padding:16px;}
.modal-mask.show{display:flex;}
.modal-box{width:90%;max-width:560px;background:var(--card-solid);border:1px solid var(--border-bright);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-2);position:relative;max-height:90vh;overflow-y:auto;}
.modal-box::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--accent),var(--accent-2),var(--accent),transparent);border-radius:var(--radius) var(--radius) 0 0;}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;}
.modal-title{font-size:22px;color:var(--text-bright);font-weight:600;}
.close-modal{cursor:pointer;font-size:28px;color:var(--text-dim);text-decoration:none;line-height:1;transition:color 0.2s;}
.close-modal:hover{color:var(--danger);}

/* ===================== 登录/注册 ===================== */
.auth-wrap{width:100%;max-width:720px;margin:40px auto;}
.auth-card{width:100%;max-width:720px;margin:0 auto;background:var(--card);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow-2);position:relative;}
.auth-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--accent),var(--accent-2),var(--accent),transparent);border-radius:var(--radius) var(--radius) 0 0;box-shadow:0 0 16px var(--accent-glow);}
.auth-card h1{font-size:22px;text-align:center;margin-bottom:24px;color:var(--text-bright);font-weight:600;letter-spacing:2px;background:linear-gradient(135deg,#fff 0%,#93c5fd 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.auth-card .btn{width:100%;padding:14px;font-size:17px;}
.auth-links{text-align:center;margin-top:24px;color:var(--text-dim);font-size:14px;}

/* ===================== 后台管理 ===================== */
.admin-sidebar{position:fixed;top:112px;left:0;width:200px;min-height:calc(100vh - 112px);background:var(--bg-1);border-right:1px solid var(--border);padding:16px 0;z-index:200;overflow-y:auto;}
.admin-sidebar a{display:block;color:var(--text-dim);padding:12px 24px;font-size:15px;text-decoration:none;transition:all 0.2s;border-left:3px solid transparent;}
.admin-sidebar a:hover,.admin-sidebar a.active{background:rgba(59,130,246,0.1);color:var(--text-bright);border-left-color:var(--accent);}
.admin-content{margin-left:200px;padding:24px;}
.admin-content .card{margin-bottom:20px;}

/* ===================== 页脚 ===================== */
.footer{text-align:center;padding:20px;color:var(--text-dim);font-size:14px;position:relative;z-index:1;}

/* ===================== 状态点 ===================== */
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 8px rgba(34,197,94,0.6);animation:pulse 2s ease-in-out infinite;margin-right:6px;vertical-align:middle;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.4;}}

/* ===================== 响应式 ===================== */
@media(max-width:768px){
    body{padding:16px 8px;}
    .container{padding:20px;}
    .topbar-inner{padding:10px 12px;}
    .topbar-nav{gap:2px;width:100%;}
    .topbar-nav a{padding:6px 10px;font-size:13px;}
    .topbar-nav .user-info{width:100%;margin-left:0;}
    .card-row{grid-template-columns:1fr 1fr;gap:10px;}
    .func-card{padding:16px 12px;}
    .card-icon{font-size:28px;}
    .card-title{font-size:15px;}
    .table{font-size:13px;}
    .table th,.table td{padding:8px 6px;}
    .table-wrap{overflow-x:auto;}
    .auth-card{padding:28px 20px;}
    .admin-sidebar{position:relative;top:0 !important;width:100%;min-height:auto;display:flex;overflow-x:auto;padding:0;}
    .admin-sidebar a{padding:10px 16px;white-space:nowrap;border-left:none;border-bottom:3px solid transparent;}
    .admin-sidebar a.active{border-left:none;border-bottom-color:var(--accent);}
    .admin-content{margin-left:0;padding:12px;}
    .toolbar{gap:6px;}
    .toolbar input,.toolbar select{flex:1;min-width:100px;}
}
@media(max-width:480px){
    .card-row{grid-template-columns:1fr;}
    .topbar-nav a{padding:4px 8px;font-size:12px;}
}

/* 动态差旅状态标签 */
.badge-upcoming{background:rgba(59,130,246,0.2);color:#93c5fd;}
.badge-ongoing{background:rgba(34,197,94,0.2);color:#86efac;}
.badge-ended{background:rgba(100,116,139,0.2);color:var(--text-dim);}
.badge-cancelled{background:rgba(239,68,68,0.2);color:#fca5a5;}

/* 统计卡片 */
.stats-row{display:flex;gap:16px;flex-wrap:wrap;}
.stat-item{flex:1;min-width:100px;text-align:center;padding:12px;background:rgba(59,130,246,0.08);border:1px solid var(--border);border-radius:10px;}
.stat-num{font-size:32px;font-weight:700;color:var(--accent-2);}
.stat-label{font-size:13px;color:var(--text-dim);margin-top:4px;}

/* 大屏统计行 */
.board-stats-row{display:flex;justify-content:center;gap:20px;flex-shrink:0;padding:2px 0;font-size:13px;}
.board-stat{display:inline-flex;align-items:center;gap:4px;}
.board-stat-num{font-size:16px;font-weight:700;color:var(--accent-2);font-family:var(--font-mono);}
.board-stat-label{font-size:12px;color:var(--text-dim);}

/* 紧凑表格和按钮优化 */
.table th, .table td { padding: 8px 10px; font-size: 13px; }
.btn-sm { padding: 3px 8px; font-size: 12px; margin: 0 1px; }
.badge { padding: 1px 8px; font-size: 11px; }

/* ============================================
   手机端全面适配修正
   ============================================ */

/* LOGO图片 - 所有页面统一防止溢出 */
.auth-card img[alt="LOGO"],
.auth-wrap img[alt="LOGO"] {
    max-width: 100% !important;
    height: auto !important;
    max-height: 80px;
    object-fit: contain;
}

/* 顶部栏LOGO也要限制 */
.topbar-left .logo-img,
.logo-link img {
    max-width: 200px;
}

/* 登录/注册页容器适配 */
@media (max-width: 768px) {
    .auth-wrap {
        max-width: 100% !important;
        margin: 20px auto !important;
        padding: 0 8px;
    }
    .auth-card {
        max-width: 100% !important;
        padding: 24px 16px !important;
    }
    .auth-card img[alt="LOGO"] {
        height: 60px !important;
        max-height: 60px;
    }
    .auth-card h1 {
        font-size: 18px !important;
    }
    .auth-card .btn {
        font-size: 15px !important;
        padding: 12px !important;
    }
    .auth-links {
        font-size: 12px;
    }
}

/* 顶部栏全面适配 */
@media (max-width: 768px) {
    .topbar {
        padding: 8px 12px !important;
    }
    .topbar-inner {
        padding: 0 !important;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }
    .topbar-left {
        justify-content: center;
        width: 100%;
    }
    .topbar-left .logo-img {
        height: 36px;
        max-width: 160px;
    }
    .logo-text {
        font-size: 15px !important;
    }
    .topbar-nav {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 2px;
    }
    .topbar-nav a {
        padding: 5px 8px;
        font-size: 12px;
    }
    .topbar-nav .user-info {
        width: 100%;
        text-align: center;
        margin: 4px 0;
        font-size: 12px;
    }
    .topbar-nav .btn-link {
        margin-left: 4px;
    }
}

/* 容器内边距适配 */
@media (max-width: 768px) {
    .container {
        padding: 16px 12px !important;
    }
    .card {
        padding: 16px 12px !important;
    }
    .card h2 {
        font-size: 17px;
    }
}

/* 功能卡片网格适配 */
@media (max-width: 768px) {
    .card-row {
        grid-template-columns: 1fr 1fr !important;
        gap: 10px !important;
    }
    .func-card {
        padding: 14px 8px !important;
        min-height: 90px;
    }
    .card-icon {
        font-size: 28px !important;
        margin-bottom: 6px !important;
    }
    .card-title {
        font-size: 14px !important;
    }
    .card-desc {
        font-size: 11px !important;
    }
}

@media (max-width: 480px) {
    .card-row {
        grid-template-columns: 1fr !important;
    }
}

/* 表格适配 - 横向滚动 */
@media (max-width: 768px) {
    .table {
        font-size: 12px;
    }
    .table th, .table td {
        padding: 6px 8px !important;
    }
    .table-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .btn-sm {
        padding: 3px 6px !important;
        font-size: 11px !important;
        margin: 0 1px !important;
    }
}

/* 工具栏适配 */
@media (max-width: 768px) {
    .toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }
    .toolbar input,
    .toolbar select {
        width: 100%;
    }
    .toolbar label {
        font-size: 12px;
    }
}

/* 后台管理适配 */
@media (max-width: 768px) {
    .admin-sidebar {
        position: relative !important;
        top: 0 !important;
        width: 100% !important;
        min-height: auto !important;
        display: flex !important;
        overflow-x: auto !important;
        padding: 0 !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border) !important;
        -webkit-overflow-scrolling: touch;
    }
    .admin-sidebar a {
        padding: 8px 12px !important;
        white-space: nowrap !important;
        border-left: none !important;
        border-bottom: 3px solid transparent !important;
        font-size: 13px !important;
    }
    .admin-sidebar a.active {
        border-left: none !important;
        border-bottom-color: var(--accent) !important;
    }
    .admin-content {
        margin-left: 0 !important;
        padding: 12px !important;
    }
}

/* 表单适配 */
@media (max-width: 768px) {
    .form-group input[type="text"],
    .form-group input[type="password"],
    .form-group input[type="date"],
    .form-group input[type="email"],
    .form-group input[type="tel"],
    .form-group input[type="number"],
    .form-group select,
    .form-group textarea {
        font-size: 14px;
        padding: 10px 12px;
    }
    /* 内联表单网格适配 */
    form[style*="grid-template-columns:repeat(4"] {
        grid-template-columns: 1fr !important;
    }
    form[style*="grid-template-columns:repeat(3"] {
        grid-template-columns: 1fr !important;
    }
    form[style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    form[style*="display:grid;grid-template-columns:1fr 1fr;gap:16px"] {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
    }
    div[style*="display:grid;grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
    }
    div[style*="display:grid;grid-template-columns:1fr 1fr 1fr"] {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
    }
    div[style*="display:grid;grid-template-columns:repeat(4"] {
        grid-template-columns: 1fr 1fr !important;
        gap: 8px !important;
    }
    div[style*="display:flex;gap:12px;flex-wrap:wrap;align-items:end"] {
        flex-direction: column;
        align-items: stretch;
    }
}

/* 弹窗适配 */
@media (max-width: 768px) {
    .modal-mask {
        padding: 8px;
    }
    .modal-box {
        width: 100% !important;
        max-width: 100% !important;
        padding: 20px 16px !important;
        max-height: 85vh;
    }
}

/* 统计卡片适配 */
@media (max-width: 768px) {
    .stats-row {
        gap: 8px !important;
    }
    .stat-item {
        min-width: 80px;
        padding: 8px !important;
    }
    .stat-num {
        font-size: 24px !important;
    }
    .stat-label {
        font-size: 11px !important;
    }
}

/* 导出页面列选择适配 */
@media (max-width: 768px) {
    div[style*="display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr)"] {
        grid-template-columns: 1fr 1fr !important;
        max-height: 300px !important;
    }
}

/* 大屏适配 - 确保三栏不被挤压 */
@media (max-width: 1024px) {
    .board-columns {
        grid-template-columns: 1fr !important;
    }
}

/* 日期选择器图标改为白色 */
input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1) brightness(1.5);
    cursor: pointer;
}
input[type="date"] {
    color-scheme: dark;
}

/* ===== 手机端全局适配增强 ===== */
@media (max-width: 768px) {
    /* 内联 grid 布局强制单列 */
    div[style*="grid-template-columns:1fr 1fr"],
    div[style*="grid-template-columns: 1fr 1fr"],
    div[style*="grid-template-columns:repeat(4,1fr)"],
    div[style*="grid-template-columns: repeat(4, 1fr)"],
    div[style*="grid-template-columns:1fr 1fr 1fr"],
    div[style*="grid-template-columns: 1fr 1fr 1fr"],
    div[style*="grid-template-columns:1.2fr 1fr 1.2fr 1fr 1fr"],
    form[style*="grid-template-columns:1fr 80px"],
    form[style*="grid-template-columns:1fr 1fr 1fr 1fr"],
    form[style*="grid-template-columns:repeat(4,1fr)"] {
        grid-template-columns: 1fr !important;
    }
    /* 内联 flex 布局换行 */
    form[style*="display:flex"][style*="gap:12px"],
    form[style*="display: flex"][style*="gap: 12px"],
    form[style*="display:flex;gap:12px;flex-wrap:wrap"],
    div[style*="display:flex;gap:12px"] {
        flex-direction: column !important;
    }
    /* 防止固定宽度导致溢出 */
    input[type="text"], input[type="password"], input[type="email"],
    input[type="number"], input[type="date"], input[type="tel"],
    select, textarea {
        max-width: 100% !important;
    }
    /* 表格水平滚动 */
    .table-wrap, .table-wrap table {
        max-width: 100% !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
    }
    /* 防止 pre 块溢出 */
    pre {
        max-width: 100% !important;
        overflow-x: auto !important;
        white-space: pre-wrap !important;
        word-wrap: break-word;
    }
    /* 顶栏导航换行 */
    .topbar-inner { flex-wrap: wrap; }
    .topbar-nav { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    /* 模态框适配 */
    .modal-box { width: 95% !important; padding: 20px 16px !important; }
    /* 卡片内边距缩小 */
    .card { padding: 16px 12px !important; }
    .container { padding: 16px 8px !important; }
    /* auth 卡片适配 */
    .auth-card { padding: 24px 16px !important; max-width: 100% !important; }
    .auth-wrap { margin: 16px auto !important; }
}

@media (max-width: 480px) {
    /* 超小屏进一步缩小 */
    .card { padding: 12px 8px !important; }
    body { font-size: 14px !important; }
    .hero-title { font-size: 20px !important; }
    /* 按钮占满宽度防止不见 */
    .btn { width: 100% !important; margin-bottom: 8px; }
    .btn-sm { width: auto !important; }
    /* 表单字段占满 */
    .form-group { width: 100% !important; }
    /* 导航条字体缩小 */
    .site-nav-bar a { font-size: 11px !important; padding: 0 6px !important; }
}