* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Rajdhani', -apple-system, BlinkMacSystemFont, sans-serif;
            background:
                radial-gradient(circle at top right, rgba(16, 185, 129, 0.14), transparent 28%),
                radial-gradient(circle at left center, rgba(14, 165, 233, 0.12), transparent 34%),
                linear-gradient(135deg, #02050a 0%, #07111a 42%, #020407 100%);
            min-height: 100vh;
            min-height: 100dvh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            color: #e4e4e7;
            position: relative;
            overflow: auto;
        }

        /* ========== 赛博网格背景 ========== */
        .cyber-grid {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(56, 189, 248, 0.045) 1px, transparent 1px),
                linear-gradient(90deg, rgba(56, 189, 248, 0.045) 1px, transparent 1px);
            background-size: 72px 72px;
            z-index: 0;
            animation: gridMove 36s linear infinite;
            opacity: 0.45;
        }

        @keyframes gridMove {
            0% { transform: translate(0, 0); }
            100% { transform: translate(60px, 60px); }
        }

        /* ========== 扫描线效果 ========== */
        .scanlines {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(
                0deg,
                rgba(0, 0, 0, 0.1) 0px,
                rgba(0, 0, 0, 0.1) 1px,
                transparent 1px,
                transparent 3px
            );
            pointer-events: none;
            z-index: 100;
            opacity: 0.2;
        }

        /* 动态扫描线 */
        .scanlines::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.32), transparent);
            animation: scanMove 4.5s linear infinite;
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.32);
        }

        @keyframes scanMove {
            0% { top: 0; opacity: 0; }
            10% { opacity: 1; }
            90% { opacity: 1; }
            100% { top: 100%; opacity: 0; }
        }

        /* ========== 背景光晕 ========== */
        .bg-glow {
            position: fixed;
            pointer-events: none;
            z-index: 1;
        }

        .bg-glow-1 {
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(14, 165, 233, 0.18) 0%, transparent 70%);
            animation: pulseGlow 8s ease-in-out infinite, floatGlow1 15s ease-in-out infinite;
        }

        .bg-glow-2 {
            bottom: -20%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.16) 0%, transparent 70%);
            animation: pulseGlow 8s ease-in-out infinite, floatGlow2 12s ease-in-out infinite;
            animation-delay: -4s, 0s;
        }

        .bg-glow-3 {
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
            animation: rotateGlow 30s linear infinite, pulseGlow 10s ease-in-out infinite;
        }

        @keyframes pulseGlow {
            0%, 100% { opacity: 0.8; }
            50% { opacity: 1; }
        }

        @keyframes floatGlow1 {
            0%, 100% { transform: translate(0, 0); }
            50% { transform: translate(50px, 30px); }
        }

        @keyframes floatGlow2 {
            0%, 100% { transform: translate(0, 0); }
            50% { transform: translate(-40px, -20px); }
        }

        @keyframes rotateGlow {
            0% { transform: translate(-50%, -50%) rotate(0deg) scale(1); }
            50% { transform: translate(-50%, -50%) rotate(180deg) scale(1.1); }
            100% { transform: translate(-50%, -50%) rotate(360deg) scale(1); }
        }

        /* ========== 粒子效果 ========== */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 2;
            overflow: hidden;
        }

        .particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background: #38bdf8;
            border-radius: 50%;
            box-shadow: 0 0 15px rgba(56, 189, 248, 0.9), 0 0 28px rgba(56, 189, 248, 0.42);
            animation: particleFloat 12s linear infinite;
        }

        @keyframes particleFloat {
            0% {
                transform: translateY(100vh) translateX(0) scale(0);
                opacity: 0;
            }
            10% {
                opacity: 1;
                transform: translateY(90vh) translateX(10px) scale(1);
            }
            50% {
                opacity: 1;
                transform: translateY(50vh) translateX(-10px) scale(1.2);
            }
            90% {
                opacity: 0.8;
                transform: translateY(10vh) translateX(15px) scale(1);
            }
            100% {
                transform: translateY(-10vh) translateX(0) scale(0);
                opacity: 0;
            }
        }

        /* ========== 主容器 ========== */
        .login-container {
            display: flex;
            width: 100%;
            max-width: 1100px;
            min-height: 620px;
            max-height: calc(100dvh - 80px);
            position: relative;
            z-index: 10;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.8s ease forwards;
            animation-delay: 0.3s;
        }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== 左侧功能展示 ========== */
        .features-section {
            flex: 1.2;
            min-width: 0;
            padding: 50px 40px;
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: center;
            background:
                linear-gradient(180deg, rgba(6, 18, 29, 0.96) 0%, rgba(7, 12, 18, 0.92) 100%);
            border: 1px solid rgba(56, 189, 248, 0.18);
            border-right: none;
            clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
            overflow: hidden;
        }

        .features-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, #0ea5e9, #22c55e, #38bdf8);
            animation: borderGlow 3s ease-in-out infinite;
        }

        .features-section::after {
            content: '';
            position: absolute;
            inset: 18px;
            border: 1px solid rgba(148, 163, 184, 0.08);
            border-radius: 22px;
            pointer-events: none;
        }

        @keyframes borderGlow {
            0%, 100% { opacity: 0.5; filter: blur(2px); }
            50% { opacity: 1; filter: blur(0px); }
        }

        /* 角落装饰 */
        .corner-tl, .corner-br {
            position: absolute;
            width: 30px;
            height: 30px;
            border: 2px solid rgba(56, 189, 248, 0.75);
        }

        .corner-tl {
            top: 15px;
            left: 15px;
            border-right: none;
            border-bottom: none;
        }

        .corner-br {
            bottom: 15px;
            right: 15px;
            border-left: none;
            border-top: none;
        }

        .features-header {
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .features-logo {
            width: 76px;
            height: 76px;
            background:
                linear-gradient(180deg, rgba(8, 20, 31, 0.94), rgba(6, 13, 21, 0.94));
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            position: relative;
            border: 1px solid rgba(56, 189, 248, 0.26);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03), 0 18px 32px rgba(0, 0, 0, 0.26);
            animation: logoGlow 3.5s ease-in-out infinite;
        }

        .features-logo::after {
            content: '';
            position: absolute;
            inset: 10px;
            border-radius: 12px;
            border: 1px solid rgba(16, 185, 129, 0.22);
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(16, 185, 129, 0.04));
            z-index: -1;
            animation: logoBorder 6s linear infinite;
            filter: blur(0);
        }

        @keyframes logoGlow {
            0%, 100% { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03), 0 18px 32px rgba(0, 0, 0, 0.26); }
            50% { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 22px 40px rgba(14, 165, 233, 0.12); }
        }

        @keyframes logoBorder {
            0% { transform: scale(1); opacity: 0.7; }
            50% { transform: scale(1.04); opacity: 1; }
            100% { transform: scale(1); opacity: 0.7; }
        }

        .features-logo svg {
            width: 42px;
            height: 42px;
            color: #d9fbff;
        }

        .features-title {
            font-family: 'Orbitron', sans-serif;
            font-size: 30px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 1px;
            text-shadow: 0 0 24px rgba(14, 165, 233, 0.16);
        }

        .features-subtitle {
            font-size: 13px;
            color: #7dd3fc;
            line-height: 1.6;
            text-transform: uppercase;
            letter-spacing: 2.2px;
            opacity: 0.9;
        }

        .brand-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
            padding: 6px 12px;
            border-radius: 999px;
            background: rgba(8, 24, 36, 0.72);
            border: 1px solid rgba(56, 189, 248, 0.14);
            color: #9bdcf9;
            font-size: 11px;
            letter-spacing: 1.8px;
            text-transform: uppercase;
        }

        .brand-kicker::before {
            content: '';
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #22c55e;
            box-shadow: 0 0 12px rgba(34, 197, 94, 0.6);
        }

        .ops-overview {
            max-width: 440px;
            margin-bottom: 24px;
            color: #94a3b8;
            font-size: 14px;
            line-height: 1.8;
        }

        .ops-stat-strip {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 12px;
            margin-bottom: 26px;
            position: relative;
            z-index: 1;
        }

        .ops-stat {
            padding: 14px 16px;
            border-radius: 14px;
            background: rgba(6, 18, 29, 0.72);
            border: 1px solid rgba(56, 189, 248, 0.12);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
        }

        .ops-stat-label {
            display: block;
            margin-bottom: 8px;
            color: #7c8da0;
            font-size: 10px;
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }

        .ops-stat-value {
            display: block;
            color: #f8fafc;
            font-family: 'Orbitron', sans-serif;
            font-size: 22px;
            letter-spacing: 1px;
        }

        .ops-stat-value small {
            font-size: 11px;
            color: #8da4ad;
            margin-left: 4px;
            font-family: 'Rajdhani', sans-serif;
            letter-spacing: 1px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 14px;
            position: relative;
            z-index: 1;
        }

        .feature-item {
            background: linear-gradient(180deg, rgba(7, 18, 28, 0.82), rgba(7, 14, 22, 0.92));
            border: 1px solid rgba(56, 189, 248, 0.12);
            border-radius: 16px;
            padding: 18px;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
            opacity: 0;
            transform: translateY(20px);
            animation: featureIn 0.5s ease forwards;
        }

        .feature-item:nth-child(1) { animation-delay: 0.5s; }
        .feature-item:nth-child(2) { animation-delay: 0.6s; }
        .feature-item:nth-child(3) { animation-delay: 0.7s; }
        .feature-item:nth-child(4) { animation-delay: 0.8s; }
        .feature-item:nth-child(5) { animation-delay: 0.9s; }
        .feature-item:nth-child(6) { animation-delay: 1.0s; }

        @keyframes featureIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .feature-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.08), transparent);
            transition: left 0.6s ease;
        }

        .feature-item:hover::before {
            left: 100%;
        }

        .feature-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
            box-shadow: 0 16px 32px rgba(2, 8, 15, 0.34), inset 0 0 20px rgba(56, 189, 248, 0.03);
            transform: translateY(-4px);
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.16), rgba(16, 185, 129, 0.08));
            border: 1px solid rgba(56, 189, 248, 0.16);
            color: #d8f7ff;
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
        }

        .feature-icon svg {
            width: 20px;
            height: 20px;
        }

        .feature-title {
            font-family: 'Orbitron', sans-serif;
            font-size: 12px;
            font-weight: 600;
            color: #ffffff;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .feature-desc {
            color: #8da4ad;
            font-size: 12px;
            line-height: 1.6;
            min-height: 38px;
        }

        .feature-meta {
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #7dd3fc;
            font-size: 10px;
            letter-spacing: 1.2px;
            text-transform: uppercase;
        }

        .feature-meta::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #22c55e;
            box-shadow: 0 0 8px rgba(34, 197, 94, 0.55);
        }

        /* ========== 右侧登录区域 ========== */
        .login-section {
            width: 420px;
            flex: 0 0 420px;
            min-width: 0;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            background: rgba(5, 9, 14, 0.94);
            border: 1px solid rgba(56, 189, 248, 0.24);
            position: relative;
            clip-path: polygon(30px 0, 100% 0, 100% 100%, 0 100%, 0 30px);
            max-height: calc(100dvh - 80px);
            overflow-y: auto;
        }

        .login-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 30px;
            height: 30px;
            background: #030308;
            clip-path: polygon(100% 0, 0 100%, 100% 100%);
        }

        .login-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, #38bdf8, #22c55e);
        }

        .login-card {
            width: 100%;
            padding: 24px 22px 22px;
            border-radius: 18px;
            background: linear-gradient(180deg, rgba(8, 15, 23, 0.88), rgba(7, 11, 17, 0.94));
            border: 1px solid rgba(56, 189, 248, 0.14);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
        }

        /* ========== 顶部 Logo ========== */
        .header {
            text-align: center;
            margin-bottom: 30px;
            position: relative;
        }

        .logo-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 16px;
            background: linear-gradient(180deg, rgba(8, 20, 31, 0.98), rgba(6, 13, 21, 0.98));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 18px 28px rgba(0, 0, 0, 0.28);
            position: relative;
            border: 1px solid rgba(56, 189, 248, 0.2);
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            inset: 8px;
            border-radius: 12px;
            border: 1px solid rgba(16, 185, 129, 0.18);
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(16, 185, 129, 0.04));
            z-index: -1;
            animation: borderRotate 4s ease-in-out infinite;
        }

        @keyframes borderRotate {
            0%, 100% { transform: scale(1); opacity: 0.7; }
            50% { transform: scale(1.05); opacity: 1; }
        }

        .logo-icon svg {
            width: 32px;
            height: 32px;
            color: #e0faff;
        }

        .login-eyebrow {
            margin-bottom: 10px;
            color: #8da4ad;
            font-size: 11px;
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .header h1 {
            font-family: 'Orbitron', sans-serif;
            font-size: 24px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 6px;
            letter-spacing: 2px;
        }

        .header p {
            font-size: 12px;
            color: #7dd3fc;
            text-transform: uppercase;
            letter-spacing: 1.4px;
            opacity: 0.82;
        }

        /* ========== 霓虹线条 ========== */
        .neon-line {
            height: 1px;
            background: linear-gradient(90deg, transparent, #38bdf8, #22c55e, transparent);
            margin: 20px 0;
            position: relative;
        }

        .neon-line::before {
            content: '';
            position: absolute;
            top: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 8px;
            height: 8px;
            background: #38bdf8;
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.85), 0 0 20px rgba(34, 197, 94, 0.34);
            animation: dotPulse 1.5s ease-in-out infinite;
        }

        @keyframes dotPulse {
            0%, 100% { transform: translateX(-50%) scale(1); opacity: 1; }
            50% { transform: translateX(-50%) scale(1.5); opacity: 0.5; }
        }

        /* ========== Tab 切换 ========== */
        .tab-switch {
            display: flex;
            gap: 0;
            margin-bottom: 24px;
            background: rgba(9, 18, 28, 0.92);
            border: 1px solid rgba(56, 189, 248, 0.14);
            border-radius: 8px;
            padding: 4px;
            position: relative;
        }

        .tab-indicator {
            position: absolute;
            top: 4px;
            left: 4px;
            width: calc(50% - 4px);
            height: calc(100% - 8px);
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(16, 185, 129, 0.12));
            border: 1px solid rgba(56, 189, 248, 0.48);
            border-radius: 6px;
            transition: transform 0.3s ease;
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.18);
        }

        .tab-switch.wechat .tab-indicator {
            transform: translateX(100%);
            background: linear-gradient(135deg, rgba(34, 197, 94, 0.22), rgba(16, 185, 129, 0.16));
            border-color: rgba(34, 197, 94, 0.45);
            box-shadow: 0 0 14px rgba(34, 197, 94, 0.2);
        }

        .tab-btn {
            flex: 1;
            padding: 10px 16px;
            border: none;
            background: transparent;
            font-family: 'Rajdhani', sans-serif;
            font-size: 13px;
            font-weight: 600;
            color: #71717a;
            cursor: pointer;
            border-radius: 6px;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .tab-btn.active {
            color: #00f5ff;
            text-shadow: 0 0 10px rgba(0, 245, 255, 0.5);
        }

        .tab-switch.wechat .tab-btn.active {
            color: #86efac;
            text-shadow: 0 0 10px rgba(34, 197, 94, 0.35);
        }

        .tab-btn:hover:not(.active) {
            color: #a1a1aa;
        }

        /* ========== 表单样式 ========== */
        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 11px;
            font-weight: 600;
            color: #00f5ff;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .input-wrapper {
            position: relative;
        }

        .input-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            color: #00f5ff;
            opacity: 0.6;
            transition: all 0.3s ease;
            z-index: 1;
        }

        .form-input {
            width: 100%;
            padding: 14px 14px 14px 44px;
            border: 1px solid rgba(0, 245, 255, 0.3);
            border-radius: 8px;
            font-size: 15px;
            font-family: 'Rajdhani', sans-serif;
            color: #ffffff;
            background: rgba(0, 245, 255, 0.03);
            transition: all 0.3s ease;
            position: relative;
        }

        .form-input:focus {
            outline: none;
            border-color: #00f5ff;
            background: rgba(0, 245, 255, 0.08);
            box-shadow: 0 0 15px rgba(0, 245, 255, 0.2), inset 0 0 10px rgba(0, 245, 255, 0.05);
        }

        .form-input:focus ~ .input-icon {
            opacity: 1;
            transform: translateY(-50%) scale(1.1);
            filter: drop-shadow(0 0 5px #00f5ff);
        }

        .form-input::placeholder {
            color: #52525b;
        }

        /* 霓虹下划线 */
        .neon-underline {
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #00f5ff, #8a2be2);
            transform: translateX(-50%);
            transition: width 0.3s ease;
            box-shadow: 0 0 10px #00f5ff;
        }

        .form-input:focus ~ .neon-underline {
            width: calc(100% - 44px);
        }

        /* 密码显示切换 */
        .password-wrapper {
            position: relative;
        }

        .password-wrapper .form-input {
            padding-right: 44px;
        }

        .captcha-panel {
            display: flex;
            flex-direction: column;
            gap: 14px;
            align-items: center;
        }

        .captcha-tips {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 8px;
            width: min(100%, 280px);
        }

        .captcha-tip {
            padding: 8px 10px;
            border-radius: 10px;
            border: 1px solid rgba(0, 245, 255, 0.12);
            background: rgba(8, 18, 28, 0.8);
            color: #8da4ad;
            font-size: 11px;
            line-height: 1.4;
            text-align: center;
        }

        .captcha-tip strong {
            display: block;
            color: #d8f7ff;
            font-size: 12px;
            margin-bottom: 2px;
            font-weight: 600;
        }

        .slider-captcha-stage {
            position: relative;
            width: min(100%, 280px);
            height: 150px;
            border: 1px solid rgba(0, 245, 255, 0.3);
            border-radius: 12px;
            background: rgba(0, 245, 255, 0.03);
            overflow: hidden;
            box-shadow: inset 0 0 20px rgba(0, 245, 255, 0.05);
            margin: 0 auto;
        }

        .slider-captcha-bg {
            position: absolute;
            inset: 0;
        }

        .slider-captcha-bg img {
            display: block;
            width: 100%;
            height: 100%;
            user-select: none;
            pointer-events: none;
        }

        .slider-piece {
            position: absolute;
            top: 30px;
            left: 0;
            width: 68px;
            height: 68px;
            pointer-events: none;
            filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.26));
        }

        .slider-piece img {
            width: 100%;
            height: 100%;
            display: block;
            user-select: none;
            pointer-events: none;
        }

        .slider-track {
            position: relative;
            width: min(100%, 280px);
            height: 48px;
            border-radius: 999px;
            background: rgba(6, 17, 27, 0.92);
            border: 1px solid rgba(0, 245, 255, 0.2);
            overflow: hidden;
            margin: 0 auto;
        }

        .slider-track-fill {
            position: absolute;
            inset: 0 auto 0 0;
            width: 0;
            background: linear-gradient(90deg, rgba(0, 245, 255, 0.18), rgba(0, 245, 255, 0.05));
            box-shadow: 0 0 18px rgba(0, 245, 255, 0.14);
        }

        .slider-track-text {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: #8da4ad;
            letter-spacing: 1.4px;
            pointer-events: none;
            transition: color 0.2s ease, opacity 0.2s ease;
        }

        .slider-handle {
            position: absolute;
            top: 3px;
            left: 3px;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 1px solid rgba(0, 245, 255, 0.35);
            background: linear-gradient(135deg, rgba(0, 245, 255, 0.94), rgba(96, 165, 250, 0.9));
            box-shadow: 0 0 18px rgba(0, 245, 255, 0.22);
            cursor: grab;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
        }

        .slider-handle:active,
        .slider-handle.dragging {
            cursor: grabbing;
            box-shadow: 0 0 24px rgba(0, 245, 255, 0.34);
        }

        .slider-handle svg {
            width: 18px;
            height: 18px;
            color: #04213a;
        }

        .captcha-hint {
            color: #94a3b8;
            font-size: 12px;
            letter-spacing: 1px;
            text-align: center;
            min-height: 18px;
        }

        .captcha-hint.success {
            color: #86efac;
        }

        .captcha-progress {
            width: min(100%, 280px);
            height: 6px;
            border-radius: 999px;
            overflow: hidden;
            background: rgba(148, 163, 184, 0.14);
            border: 1px solid rgba(148, 163, 184, 0.08);
        }

        .captcha-progress-bar {
            width: 0;
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, rgba(56, 189, 248, 0.9), rgba(34, 197, 94, 0.9));
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.22);
            transition: width 0.16s ease;
        }

        .captcha-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }

        .captcha-reset {
            border: 1px solid rgba(0, 245, 255, 0.2);
            border-radius: 999px;
            background: rgba(0, 245, 255, 0.04);
            color: #8bf7ff;
            height: 30px;
            padding: 0 12px;
            font-size: 11px;
            letter-spacing: 1px;
            cursor: pointer;
        }

        .captcha-reset:hover {
            border-color: rgba(0, 245, 255, 0.4);
            color: #ffffff;
        }

        .captcha-refresh {
            width: 46px;
            height: 46px;
            border: 1px solid rgba(0, 245, 255, 0.3);
            border-radius: 8px;
            background: rgba(0, 245, 255, 0.04);
            color: #00f5ff;
            cursor: pointer;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .captcha-refresh:hover,
        .slider-captcha-stage:hover {
            border-color: #00f5ff;
            box-shadow: 0 0 12px rgba(0, 245, 255, 0.18);
        }

        .captcha-refresh svg {
            width: 18px;
            height: 18px;
        }

        .captcha-modal {
            position: fixed;
            inset: 0;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
            background: rgba(3, 3, 8, 0.84);
            backdrop-filter: blur(14px);
            z-index: 1200;
        }

        .captcha-modal.active {
            display: flex;
        }

        .captcha-modal-card {
            width: min(92vw, 380px);
            padding: 24px 22px 22px;
            border-radius: 18px;
            border: 1px solid rgba(0, 245, 255, 0.26);
            background: rgba(10, 10, 15, 0.96);
            box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42), 0 0 32px rgba(0, 245, 255, 0.08);
        }

        .captcha-modal-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 16px;
        }

        .captcha-modal-title {
            color: #00f5ff;
            font-family: 'Orbitron', sans-serif;
            font-size: 18px;
            font-weight: 600;
            letter-spacing: 1.6px;
            text-transform: uppercase;
        }

        .captcha-modal-subtitle {
            margin-top: 6px;
            color: #94a3b8;
            font-size: 12px;
            letter-spacing: 1px;
            line-height: 1.6;
        }

        .captcha-modal-close {
            width: 34px;
            height: 34px;
            border: 1px solid rgba(0, 245, 255, 0.16);
            border-radius: 10px;
            background: rgba(0, 245, 255, 0.04);
            color: #8da4ad;
            font-size: 20px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }

        .captcha-modal-close:hover {
            color: #ffffff;
            border-color: rgba(0, 245, 255, 0.32);
        }

        .toggle-password {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            cursor: pointer;
            color: #00f5ff;
            opacity: 0.5;
            padding: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .toggle-password:hover {
            opacity: 1;
            filter: drop-shadow(0 0 5px #00f5ff);
        }

        .toggle-password svg {
            width: 18px;
            height: 18px;
        }

        /* 记住账号 */
        .remember-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .checkbox-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }

        .checkbox-wrapper input {
            width: 16px;
            height: 16px;
            accent-color: #00f5ff;
            cursor: pointer;
            background: rgba(0, 245, 255, 0.1);
            border: 1px solid rgba(0, 245, 255, 0.3);
            border-radius: 4px;
        }

        .checkbox-wrapper span {
            font-size: 12px;
            color: #a1a1aa;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .forgot-link {
            font-size: 12px;
            color: #00f5ff;
            text-decoration: none;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s ease;
            text-shadow: 0 0 10px rgba(0, 245, 255, 0.3);
        }

        .forgot-link:hover {
            color: #00ffff;
            text-shadow: 0 0 20px rgba(0, 245, 255, 0.8);
        }

        /* ========== 霓虹登录按钮 ========== */
        .login-btn {
            width: 100%;
            padding: 14px 24px;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.22), rgba(16, 185, 129, 0.2));
            color: #d7f9ff;
            border: 1px solid rgba(56, 189, 248, 0.52);
            border-radius: 8px;
            font-family: 'Orbitron', sans-serif;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            letter-spacing: 3px;
            text-transform: uppercase;
            position: relative;
            overflow: hidden;
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.14);
        }

        .login-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(125, 211, 252, 0.35), transparent);
            transition: left 0.5s ease;
        }

        .login-btn:hover::before {
            left: 100%;
        }

        .login-btn:hover {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.34), rgba(16, 185, 129, 0.32));
            box-shadow: 0 0 30px rgba(56, 189, 248, 0.22), 0 0 60px rgba(16, 185, 129, 0.08);
            transform: translateY(-2px);
            text-shadow: 0 0 10px rgba(125, 211, 252, 0.6);
        }

        .login-btn:active {
            transform: translateY(0);
        }

        .login-btn:disabled {
            background: #1f1f1f;
            border-color: #3f3f46;
            color: #71717a;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        /* 波纹效果 */
        .login-btn .ripple {
            position: absolute;
            border-radius: 50%;
            background: rgba(0, 245, 255, 0.4);
            transform: scale(0);
            animation: ripple 0.6s linear;
            pointer-events: none;
        }

        .mfa-modal {
            position: fixed;
            inset: 0;
            z-index: 10000;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 24px;
            background: rgba(2, 6, 12, 0.78);
            backdrop-filter: blur(14px);
        }

        .mfa-modal.active {
            display: flex;
        }

        .mfa-card {
            width: min(420px, 100%);
            padding: 28px;
            border-radius: 20px;
            background: linear-gradient(180deg, rgba(8, 15, 23, 0.96), rgba(5, 9, 14, 0.98));
            border: 1px solid rgba(56, 189, 248, 0.24);
            box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42), inset 0 0 0 1px rgba(255,255,255,0.03);
        }

        .mfa-title {
            color: #e0f2fe;
            font-family: 'Orbitron', sans-serif;
            font-size: 18px;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .mfa-desc {
            color: #94a3b8;
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .mfa-qr {
            display: none;
            width: 190px;
            height: 190px;
            margin: 0 auto 14px;
            padding: 10px;
            background: #fff;
            border-radius: 16px;
        }

        .mfa-qr.active {
            display: block;
        }

        .mfa-qr img {
            width: 100%;
            height: 100%;
            display: block;
        }

        .mfa-manual {
            display: none;
            margin-bottom: 14px;
            padding: 10px 12px;
            border-radius: 12px;
            background: rgba(14, 165, 233, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.14);
            color: #bae6fd;
            font-size: 12px;
            word-break: break-all;
            text-align: center;
        }

        .mfa-manual.active {
            display: block;
        }

        .mfa-input {
            width: 100%;
            padding: 15px 16px;
            border: 1px solid rgba(56, 189, 248, 0.32);
            border-radius: 12px;
            background: rgba(2, 8, 15, 0.8);
            color: #fff;
            font-size: 24px;
            letter-spacing: 8px;
            text-align: center;
            outline: none;
            font-family: 'Orbitron', sans-serif;
        }

        .mfa-error {
            min-height: 20px;
            margin-top: 10px;
            color: #fca5a5;
            font-size: 13px;
            text-align: center;
        }

        .mfa-actions {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 12px;
            margin-top: 18px;
        }

        .mfa-cancel,
        .mfa-submit {
            border: none;
            border-radius: 12px;
            padding: 13px 14px;
            cursor: pointer;
            font-weight: 700;
        }

        .mfa-cancel {
            background: rgba(148, 163, 184, 0.14);
            color: #cbd5e1;
        }

        .mfa-submit {
            background: linear-gradient(135deg, #0ea5e9, #22c55e);
            color: #041014;
        }

        .authenticator-help {
            margin-top: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            border: 1px solid rgba(0, 245, 255, 0.22);
            background: rgba(0, 245, 255, 0.06);
            color: #7dd3fc;
            border-radius: 12px;
            padding: 11px 14px;
            font-size: 13px;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .authenticator-help:hover {
            border-color: rgba(0, 245, 255, 0.45);
            background: rgba(0, 245, 255, 0.12);
            color: #cffafe;
        }

        .authenticator-help svg {
            width: 16px;
            height: 16px;
        }

        .auth-modal {
            position: fixed;
            inset: 0;
            z-index: 1200;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
            background: rgba(3, 3, 8, 0.82);
            backdrop-filter: blur(12px);
        }

        .auth-modal.active {
            display: flex;
        }

        .auth-card {
            width: min(360px, 92vw);
            border: 1px solid rgba(0, 245, 255, 0.28);
            border-radius: 20px;
            padding: 26px;
            background: rgba(10, 10, 18, 0.98);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
            text-align: center;
        }

        .auth-title {
            color: #e0f2fe;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .auth-desc {
            color: #a1a1aa;
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .auth-qr {
            width: 196px;
            min-height: 196px;
            margin: 0 auto 14px;
            padding: 10px;
            border-radius: 18px;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1f2937;
            font-size: 12px;
        }

        .auth-qr img,
        .auth-qr canvas {
            width: 176px;
            height: 176px;
            display: block;
        }

        .auth-link {
            display: block;
            color: #67e8f9;
            font-size: 12px;
            word-break: break-all;
            text-decoration: none;
            margin-bottom: 18px;
        }

        .auth-close {
            width: 100%;
            border: none;
            border-radius: 12px;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.08);
            color: #e5e7eb;
            cursor: pointer;
        }

        @keyframes ripple {
            to {
                transform: scale(4);
                opacity: 0;
            }
        }

        /* 分割线 */
        .divider {
            display: flex;
            align-items: center;
            margin: 24px 0;
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 245, 255, 0.3), transparent);
        }

        .divider span {
            padding: 0 16px;
            font-size: 11px;
            color: #52525b;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .wechat-quick-panel {
            position: relative;
            overflow: hidden;
            border-radius: 18px;
            padding: 22px 20px 18px;
            background:
                radial-gradient(circle at top right, rgba(34, 197, 94, 0.16), transparent 42%),
                linear-gradient(180deg, rgba(10, 20, 24, 0.98), rgba(6, 12, 18, 0.98));
            border: 1px solid rgba(34, 197, 94, 0.22);
            box-shadow: 0 20px 50px rgba(2, 6, 12, 0.35), inset 0 1px 0 rgba(255,255,255,0.03);
        }

        .wechat-quick-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #22c55e 0%, #4ade80 40%, #0ea5e9 100%);
            opacity: 0.95;
        }

        .wechat-quick-head {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 18px;
            min-width: 0;
        }

        .wechat-quick-title {
            font-size: 18px;
            font-weight: 700;
            color: #ecfccb;
            letter-spacing: 0.5px;
        }

        .wechat-quick-subtitle {
            margin-top: 6px;
            font-size: 12px;
            color: #86efac;
            opacity: 0.9;
            line-height: 1.6;
            word-break: break-word;
        }

        .wechat-badge {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 10px;
            background: rgba(34, 197, 94, 0.12);
            border: 1px solid rgba(34, 197, 94, 0.22);
            border-radius: 999px;
            color: #86efac;
            font-size: 11px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .wechat-badge svg {
            width: 14px;
            height: 14px;
        }

        .wechat-quick-body {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
            align-items: stretch;
            min-width: 0;
        }

        .wechat-qr-card {
            padding: 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(34, 197, 94, 0.15);
            border-radius: 16px;
            text-align: center;
            min-width: 0;
            max-width: 100%;
        }

        .wechat-qr-shell {
            width: 176px;
            height: 176px;
            margin: 0 auto;
            padding: 10px;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 12px 26px rgba(0, 0, 0, 0.22);
        }

        .wechat-qr-shell img {
            width: 100%;
            height: 100%;
            border-radius: 10px;
        }

        .wechat-qr-tip {
            margin-top: 14px;
            color: #e2e8f0;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .wechat-side {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 14px;
            min-width: 0;
        }

        .wechat-official-panel {
            display: none;
            border-radius: 16px;
            padding: 0;
            background: linear-gradient(180deg, rgba(7, 22, 16, 0.88), rgba(5, 15, 11, 0.96));
            border: none;
            box-shadow: none;
            min-width: 0;
        }

        .wechat-official-panel.active {
            display: block;
        }

        .wechat-bind-form {
            display: none;
        }

        .wechat-bind-form.active {
            display: block;
        }

        .wechat-bind-input {
            width: 100%;
            margin-bottom: 10px;
            padding: 12px 14px;
            border-radius: 12px;
            border: 1px solid rgba(56, 189, 248, 0.12);
            background: rgba(4, 11, 18, 0.86);
            color: #fff;
            font-size: 13px;
            outline: none;
        }

        .wechat-bind-input:focus {
            border-color: rgba(34, 197, 94, 0.28);
            box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.07);
        }

        .wechat-bind-btn {
            width: 100%;
            border: none;
            border-radius: 12px;
            padding: 12px 14px;
            background: linear-gradient(135deg, #0ea5e9, #2563eb);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            margin-top: 2px;
        }

        .wechat-bind-cancel {
            width: 100%;
            border: none;
            background: transparent;
            color: #7dd3fc;
            font-size: 12px;
            cursor: pointer;
            padding-top: 10px;
        }

        .wechat-status {
            padding: 14px 16px;
            border-radius: 14px;
            font-size: 13px;
            display: none;
            line-height: 1.7;
            letter-spacing: 0.3px;
        }

        .wechat-status.waiting {
            display: block;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.25);
            color: #7dd3fc;
        }

        .wechat-status.scanned {
            display: block;
            background: rgba(34, 197, 94, 0.1);
            border: 1px solid rgba(34, 197, 94, 0.28);
            color: #86efac;
        }

        .wechat-status.error {
            display: block;
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.28);
            color: #fca5a5;
        }

        .wechat-actions {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 6px;
            flex-wrap: wrap;
        }

        .wechat-refresh-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-width: 130px;
            padding: 12px 16px;
            border: none;
            border-radius: 12px;
            background: linear-gradient(135deg, #22c55e, #16a34a);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 12px 26px rgba(34, 197, 94, 0.22);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .wechat-refresh-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 16px 30px rgba(34, 197, 94, 0.28);
        }

        .wechat-refresh-btn svg {
            width: 16px;
            height: 16px;
        }

        .wechat-switch-btn {
            border: none;
            background: transparent;
            color: #7dd3fc;
            font-size: 12px;
            cursor: pointer;
            transition: color 0.2s ease;
            min-width: 0;
            text-align: left;
        }

        .wechat-switch-btn:hover {
            color: #bae6fd;
        }

        @media (max-width: 860px) {
            .wechat-side {
                gap: 12px;
            }

            .wechat-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .wechat-refresh-btn,
            .wechat-switch-btn {
                width: 100%;
            }

            .wechat-switch-btn {
                text-align: center;
                padding: 10px 12px 0;
            }
        }

        @media (max-width: 720px) {
            .wechat-quick-panel {
                padding: 18px 16px 16px;
            }

            .wechat-quick-head {
                flex-direction: column;
            }

            .wechat-qr-shell {
                width: 164px;
                height: 164px;
            }
        }

        /* ========== 底部 ========== */
        .footer {
            margin-top: 30px;
            text-align: center;
            position: relative;
            z-index: 10;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .footer-links a {
            font-size: 11px;
            color: #6b7f92;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s ease;
        }

        .footer-links a:hover {
            color: #00f5ff;
            text-shadow: 0 0 10px rgba(0, 245, 255, 0.5);
        }

        .copyright {
            font-size: 10px;
            color: #5a6774;
            text-transform: uppercase;
            letter-spacing: 2px;
            transition: all 0.3s ease;
            cursor: default;
        }

        .copyright:hover {
            color: #00f5ff;
            text-shadow: 0 0 8px rgba(0, 245, 255, 0.4);
        }

        /* ========== 备案标识 ========== */
        .police-badge {
            margin: 18px auto 0;
            width: min(100%, 270px);
            display: grid;
            grid-template-columns: 42px 1fr auto;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            background:
                linear-gradient(135deg, rgba(0, 245, 255, 0.08), rgba(10, 14, 22, 0.92) 45%, rgba(0, 245, 255, 0.04)),
                rgba(5, 10, 18, 0.88);
            border: 1px solid rgba(0, 245, 255, 0.16);
            border-radius: 12px;
            box-shadow:
                inset 0 0 0 1px rgba(255, 255, 255, 0.03),
                0 10px 24px rgba(0, 0, 0, 0.22);
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .police-badge::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(90deg, transparent, rgba(0, 245, 255, 0.1), transparent);
            transform: translateX(-100%);
            transition: transform 0.6s ease;
            pointer-events: none;
        }

        .police-badge:hover {
            transform: translateY(-2px);
            border-color: rgba(0, 245, 255, 0.34);
            box-shadow:
                inset 0 0 0 1px rgba(255, 255, 255, 0.04),
                0 14px 30px rgba(0, 245, 255, 0.08);
        }

        .police-badge:hover::before {
            transform: translateX(100%);
        }

        .police-badge .badge-shield-wrap {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.18), rgba(0, 245, 255, 0.08) 55%, rgba(0, 0, 0, 0.18));
            border: 1px solid rgba(0, 245, 255, 0.14);
            box-shadow: inset 0 0 12px rgba(0, 245, 255, 0.08);
        }

        .police-badge .badge-shield-img {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            object-fit: contain;
            filter: drop-shadow(0 0 8px rgba(0, 245, 255, 0.18));
        }

        .police-badge .badge-text {
            min-width: 0;
            text-align: left;
            line-height: 1.35;
        }

        .police-badge .badge-text .badge-title {
            font-size: 10px;
            color: #8da4ad;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            margin-bottom: 3px;
        }

        .police-badge .badge-text .badge-id {
            font-size: 11px;
            color: #d7f9ff;
            letter-spacing: 0.6px;
            font-weight: 600;
            white-space: nowrap;
        }

        .police-badge .badge-text .badge-id a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }

        .police-badge:hover .badge-text .badge-id a {
            color: #ffffff;
            text-shadow: 0 0 10px rgba(0, 245, 255, 0.3);
        }

        .police-badge .badge-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 8px;
            border-radius: 999px;
            background: rgba(0, 245, 255, 0.08);
            border: 1px solid rgba(0, 245, 255, 0.14);
            color: #8bf7ff;
            font-size: 10px;
            letter-spacing: 1px;
            text-transform: uppercase;
            white-space: nowrap;
        }

        .police-badge .badge-status::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #22c55e;
            box-shadow: 0 0 10px rgba(34, 197, 94, 0.7);
        }

        /* ========== 错误提示 ========== */
        .error-message {
            display: none;
            padding: 12px 16px;
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.3);
            border-radius: 8px;
            color: #fca5a5;
            font-size: 13px;
            margin-bottom: 20px;
            animation: errorShake 0.4s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .error-message.show {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .error-message::before {
            content: '⚠';
            font-size: 16px;
        }

        @keyframes errorShake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-5px); }
            50% { transform: translateX(5px); }
            75% { transform: translateX(-5px); }
        }

        /* ========== Tab 内容区 ========== */
        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
            animation: tabFadeIn 0.3s ease;
        }

        @keyframes tabFadeIn {
            from {
                opacity: 0;
                transform: translateX(10px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        /* ========== 成功动画 ========== */
        .success-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(3, 3, 8, 0.95);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 9999;
        }

        .success-overlay.active {
            display: flex;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .success-content {
            text-align: center;
            animation: successPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        @keyframes successPop {
            0% { transform: scale(0); opacity: 0; }
            100% { transform: scale(1); opacity: 1; }
        }

        .success-icon {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, #00f5ff, #0080ff);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            box-shadow: 0 0 60px rgba(0, 245, 255, 0.5);
            animation: successPulse 1s ease-in-out infinite;
        }

        @keyframes successPulse {
            0%, 100% { box-shadow: 0 0 60px rgba(0, 245, 255, 0.5); }
            50% { box-shadow: 0 0 100px rgba(0, 245, 255, 0.8); }
        }

        .success-icon svg {
            width: 50px;
            height: 50px;
            color: #030308;
            animation: checkDraw 0.5s ease forwards;
            stroke-dasharray: 100;
            stroke-dashoffset: 100;
        }

        @keyframes checkDraw {
            to { stroke-dashoffset: 0; }
        }

        .success-text {
            font-family: 'Orbitron', sans-serif;
            font-size: 24px;
            font-weight: 600;
            color: #00f5ff;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 3px;
            text-shadow: 0 0 20px rgba(0, 245, 255, 0.5);
        }

        .success-subtext {
            font-size: 14px;
            color: #a1a1aa;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        /* ========== 彩带效果 ========== */
        .confetti {
            position: fixed;
            width: 8px;
            height: 8px;
            pointer-events: none;
            z-index: 10000;
            animation: confettiFall 3s ease-out forwards;
        }

        @keyframes confettiFall {
            0% {
                transform: translateY(0) rotate(0deg);
                opacity: 1;
            }
            100% {
                transform: translateY(100vh) rotate(720deg);
                opacity: 0;
            }
        }

        /* ========== 键盘快捷键提示 ========== */
        .keyboard-hint {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: rgba(3, 3, 8, 0.9);
            border: 1px solid rgba(0, 245, 255, 0.2);
            border-radius: 8px;
            padding: 12px 16px;
            font-size: 11px;
            color: #52525b;
            z-index: 100;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .keyboard-hint kbd {
            background: rgba(0, 245, 255, 0.1);
            border: 1px solid rgba(0, 245, 255, 0.3);
            border-radius: 4px;
            padding: 2px 6px;
            font-family: inherit;
            margin: 0 2px;
            color: #00f5ff;
        }

        /* ========== 鼠标跟随光效 ========== */
        .mouse-glow {
            position: fixed;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 245, 255, 0.1) 0%, transparent 70%);
            pointer-events: none;
            z-index: 5;
            left: 0;
            top: 0;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mouse-glow.active {
            opacity: 1;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 900px) {
            .login-container {
                flex-direction: column;
                max-width: 450px;
                max-height: none;
                min-height: auto;
            }

            .features-section {
                border-right: 1px solid rgba(0, 245, 255, 0.2);
                border-bottom: none;
                clip-path: none;
                padding: 30px 25px;
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .ops-overview {
                max-width: none;
                font-size: 13px;
            }

            .feature-item {
                padding: 15px 14px;
            }

            .ops-stat-strip {
                grid-template-columns: repeat(3, 1fr);
            }

            .feature-icon {
                width: 40px;
                height: 40px;
            }

            .feature-title {
                font-size: 10px;
            }

            .login-section {
                width: 100%;
                flex: 1 1 auto;
                max-height: none;
                clip-path: none;
            }

            .login-section::before {
                display: none;
            }

            .keyboard-hint {
                display: none;
            }
        }

        @media (max-width: 600px) {
            body {
                padding: 6px;
            }

            .login-container {
                max-width: 100%;
                min-height: 100vh;
                min-height: 100dvh;
                max-height: none;
                border-radius: 0;
                /* 确保占满屏幕 */
                height: 100vh;
                height: 100dvh;
            }

            /* 手机竖屏：隐藏左侧功能展示，只显示登录区域 */
            .features-section {
                display: none;
            }

            .login-section {
                width: 100%;
                flex: 1 1 auto;
                padding: 40px 24px 30px;
                clip-path: none;
                border: 1px solid rgba(0, 245, 255, 0.2);
                border-radius: 0;
                height: 100%;
                max-height: none;
                display: flex;
                flex-direction: column;
                justify-content: flex-start;
            }

            .login-card {
                padding: 20px 18px 18px;
            }

            .header h1 {
                font-size: 18px;
            }

            .header p {
                letter-spacing: 1px;
            }

            .header .logo-icon {
                width: 44px;
                height: 44px;
            }

            .header svg {
                width: 44px;
                height: 44px;
            }

            .login-card .form-group .form-input {
                font-size: 15px;
                padding: 12px 12px 12px 38px;
            }

            .login-card .password-wrapper .form-input {
                padding-right: 48px;
            }

            .login-btn {
                padding: 13px 20px;
                font-size: 14px;
            }

            .tab-switch .tab-btn {
                font-size: 13px;
                padding: 10px 16px;
            }

            .keyboard-hint {
                display: none;
            }

            .forgot-link {
                font-size: 13px;
            }

            .error-message {
                min-height: 20px;
                font-size: 13px;
            }

            /* 减小背景光晕尺寸 */
            .bg-glow-1 {
                width: 300px;
                height: 300px;
            }

            .bg-glow-2 {
                width: 250px;
                height: 250px;
            }

            .bg-glow-3 {
                width: 400px;
                height: 400px;
            }

            /* 隐藏粒子效果，节省性能 */
            .particles {
                display: none;
            }

            .scanlines {
                display: none;
            }
        }

        /* 超小屏幕进一步缩小 */
        @media (max-width: 360px) {
            .login-section {
                padding: 30px 16px;
            }

            .header h1 {
                font-size: 16px;
            }

            .login-btn {
                padding: 12px 18px;
                font-size: 13px;
                letter-spacing: 2px;
            }
        }

        /* 超高手机 (>800px 高度，平板横屏) */
        @media (min-height: 800px) {
            .login-container {
                min-height: 700px;
            }

            .features-section {
                padding: 60px 50px;
            }
        }

        /* ===== 2026-06 UI polish: calmer ops console ===== */
        .login-note {
            margin-bottom: 18px;
            padding: 14px 14px 12px;
            border-radius: 14px;
            background: linear-gradient(180deg, rgba(9, 20, 31, 0.92), rgba(6, 14, 22, 0.92));
            border: 1px solid rgba(56, 189, 248, 0.12);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
        }

        .login-note-title {
            color: #d7f9ff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 10px;
        }

        .login-note-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .login-note-chip {
            padding: 6px 10px;
            border-radius: 999px;
            background: rgba(14, 165, 233, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.16);
            color: #9bdcf9;
            font-size: 11px;
            letter-spacing: 0.4px;
        }

        .features-title {
            font-size: 28px;
            letter-spacing: 0.6px;
        }

        .features-subtitle {
            color: #9bdcf9;
            letter-spacing: 1.6px;
        }

        .ops-overview {
            color: #9aaabc;
        }

        .ops-stat {
            background: rgba(7, 18, 28, 0.76);
            border-color: rgba(56, 189, 248, 0.1);
        }

        .feature-item {
            border-color: rgba(56, 189, 248, 0.1);
            border-radius: 18px;
        }

        .feature-title {
            font-size: 13px;
            letter-spacing: 0.8px;
        }

        .feature-desc {
            color: #93a7b5;
        }

        .login-section {
            background: rgba(5, 9, 14, 0.96);
            border-color: rgba(56, 189, 248, 0.16);
        }

        .login-card {
            padding: 26px 24px 24px;
            border-radius: 22px;
            background: linear-gradient(180deg, rgba(8, 15, 23, 0.9), rgba(7, 11, 17, 0.96));
            border: 1px solid rgba(56, 189, 248, 0.12);
            box-shadow: 0 20px 48px rgba(2, 8, 15, 0.22), inset 0 0 0 1px rgba(255, 255, 255, 0.02);
        }

        .header h1 {
            font-size: 25px;
            margin-bottom: 8px;
            letter-spacing: 1.6px;
        }

        .header p {
            color: #9ccde1;
            letter-spacing: 0.8px;
            opacity: 0.88;
            text-transform: none;
        }

        .tab-switch {
            background: rgba(9, 18, 28, 0.9);
            border-color: rgba(56, 189, 248, 0.12);
            border-radius: 12px;
        }

        .form-label {
            font-size: 12px;
            color: #8fd9f7;
            letter-spacing: 1px;
        }

        .form-input {
            padding: 15px 14px 15px 44px;
            border: 1px solid rgba(56, 189, 248, 0.2);
            border-radius: 12px;
            background: rgba(9, 18, 28, 0.88);
        }

        .form-input:focus {
            border-color: #38bdf8;
            background: rgba(10, 22, 34, 0.96);
            box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.08), inset 0 0 10px rgba(56, 189, 248, 0.04);
        }

        .form-input::placeholder {
            color: #64748b;
        }

        .checkbox-wrapper span {
            color: #a7b5c6;
            letter-spacing: 0.4px;
            text-transform: none;
        }

        .forgot-link {
            color: #8fd9f7;
            letter-spacing: 0.4px;
            text-transform: none;
            text-shadow: none;
        }

        .forgot-link:hover {
            color: #d7f9ff;
            text-shadow: none;
        }

        .login-btn {
            padding: 15px 24px;
            background: linear-gradient(135deg, #0f766e, #2563eb);
            color: #effbff;
            border: 1px solid rgba(125, 211, 252, 0.34);
            border-radius: 14px;
            letter-spacing: 2px;
            box-shadow: 0 18px 34px rgba(15, 118, 110, 0.26);
        }

        .login-btn:hover {
            background: linear-gradient(135deg, #0d9488, #2563eb);
            box-shadow: 0 22px 40px rgba(37, 99, 235, 0.24);
            text-shadow: none;
        }

        .authenticator-help {
            border: 1px solid rgba(56, 189, 248, 0.16);
            background: rgba(9, 18, 28, 0.9);
            color: #9bdcf9;
        }

        .authenticator-help:hover {
            border-color: rgba(56, 189, 248, 0.32);
            background: rgba(13, 27, 42, 0.96);
            color: #e0f2fe;
        }

        .wechat-quick-panel {
            border-radius: 20px;
            border-color: rgba(34, 197, 94, 0.16);
            box-shadow: 0 20px 44px rgba(2, 6, 12, 0.28), inset 0 1px 0 rgba(255,255,255,0.03);
        }

        .wechat-quick-title {
            color: #f0fdf4;
        }

        .error-message {
            padding: 13px 14px;
            border-radius: 12px;
            margin-bottom: 18px;
            text-transform: none;
            letter-spacing: 0.2px;
        }

        @media (max-width: 600px) {
            .login-card {
                padding: 20px 18px 18px;
                border-radius: 18px;
            }

            .login-note {
                padding: 12px;
            }

            .login-note-list {
                gap: 6px;
            }

            .login-note-chip {
                font-size: 10px;
            }
        }