/* ==========================================================
           移动端点击反馈统一处理
           -webkit-tap-highlight-color 可继承，在 html 上声明一次即可覆盖
           页面内全部后代元素，无需逐个列举可点击元素，也不改动任何元素
           自身的背景色。仅关闭触摸时浏览器额外叠加的高亮蒙版，不影响
           ::selection、:disabled 与 :focus-visible，桌面端行为不变。
           ========================================================== */
        html {
            -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
            -webkit-tap-highlight-color: transparent;
        }


        :root {
            --primary: #0D9488;
            --primary-dark: #0F766E;
            --primary-light: #CCFBF1;
            --primary-glow: rgba(13,148,136,0.15);
            --success: #16A34A;
            --success-bg: #F0FDF4;
            --danger: #DC2626;
            --danger-bg: #FEF2F2;
            --bg: #F8F6F3;
            --surface: #FFFFFF;
            --surface-alt: #F1EEEA;
            --text: #1C1917;
            --text-2: #57534E;
            --text-3: #A8A29E;
            --border: #E7E5E4;
            --radius: 16px;
            --radius-sm: 12px;
            --radius-xs: 8px;
        }

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

        html { -webkit-text-size-adjust: 100%; }

        body {
            font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg);
            color: var(--text);
            min-height: 100vh;
        }

        #app {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== 顶部绿色区域 ===== */
        .header {
            background: linear-gradient(135deg, #0D9488 0%, #115E59 100%);
            padding: 32px 40px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }

        .header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
            border-radius: 50%;
        }

        .header-content {
            position: relative;
            z-index: 1;
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-icon {
            width: 48px;
            height: 48px;
            background: rgba(255,255,255,0.15);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.1);
            flex-shrink: 0;
        }

        .header-text {
            flex: 1;
        }

        .header-greeting {
            font-size: 12px;
            font-weight: 600;
            color: rgba(255,255,255,0.6);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 4px;
        }

        .header-title {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }

        /* ===== PC 主内容区 ===== */
        .pc-main {
            flex: 1;
            display: flex;
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 32px 40px;
            gap: 32px;
            overflow: hidden;
        }

        .pc-left {
            flex: 1;
            min-width: 0;
        }

        .pc-right {
            width: 360px;
            flex-shrink: 0;
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.03);
            height: 100%;
        }

        .card-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.3px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ===== 表单 ===== */
        .el-form-item {
            margin-bottom: 18px;
        }

        .el-form-item__label {
            font-size: 13px !important;
            font-weight: 600 !important;
            color: var(--text-2) !important;
            padding-bottom: 6px !important;
            line-height: 1.4 !important;
        }

        .el-form-item__error {
            font-size: 12px;
            padding-top: 4px;
        }

        .el-input__inner {
            border-radius: var(--radius-xs) !important;
            height: 48px !important;
            border: 2px solid var(--border) !important;
            font-size: 15px !important;
            font-family: 'DM Sans', sans-serif !important;
            padding: 0 14px !important;
            transition: all 0.2s !important;
            color: var(--text) !important;
            background: var(--surface) !important;
        }

        .el-input__inner::placeholder {
            color: var(--text-3) !important;
        }

        .el-input__inner:focus {
            border-color: var(--primary) !important;
            box-shadow: 0 0 0 3px var(--primary-glow) !important;
        }

        .el-input__suffix { right: 10px !important; }

        .steps-input .el-input__inner {
            font-size: 18px !important;
            font-weight: 700 !important;
            color: var(--primary-dark) !important;
        }

        /* ===== 快捷步数 ===== */
        .quick-steps-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-3);
            margin-bottom: 8px;
        }

        .quick-steps {
            display: flex;
            gap: 8px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .quick-step-btn {
            height: 36px;
            padding: 0 14px;
            border-radius: 8px;
            border: 2px solid var(--border);
            background: var(--surface);
            font-size: 13px;
            font-weight: 700;
            font-family: 'DM Sans', sans-serif;
            color: var(--text-2);
            cursor: pointer;
            transition: all 0.15s;
        }

        @media (hover: hover) and (pointer: fine) {


        .quick-step-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }


        }

        /* ===== 表单底部 ===== */
        .form-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin: 20px 0;
        }

        .el-checkbox__input.is-checked .el-checkbox__inner {
            background-color: var(--primary) !important;
            border-color: var(--primary) !important;
        }

        .el-checkbox__label {
            font-size: 13px !important;
            color: var(--text-2) !important;
        }

        .clear-btn {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-3);
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px 10px;
            border-radius: 6px;
            font-family: 'DM Sans', sans-serif;
            transition: all 0.15s;
        }

        @media (hover: hover) and (pointer: fine) {


        .clear-btn:hover {
            color: var(--danger);
            background: var(--danger-bg);
        }


        }

        /* ===== 提交按钮 ===== */
        .submit-btn {
            width: 100%;
            height: 50px !important;
            border-radius: var(--radius-xs) !important;
            font-size: 15px !important;
            font-weight: 700 !important;
            font-family: 'DM Sans', sans-serif !important;
            background: var(--primary) !important;
            border: none !important;
            transition: all 0.2s !important;
        }

        @media (hover: hover) and (pointer: fine) {


        .submit-btn:hover {
            background: var(--primary-dark) !important;
        }


        }

        /* ===== 结果提示 ===== */
        .result-box {
            margin-top: 16px;
            padding: 12px 14px;
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            gap: 10px;
            animation: slideUp 0.3s ease;
        }

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

        .result-success {
            background: var(--success-bg);
            border: 1px solid #86EFAC;
        }

        .result-error {
            background: var(--danger-bg);
            border: 1px solid #FCA5A5;
        }

        .result-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 800;
            flex-shrink: 0;
            color: #fff;
        }

        .result-success .result-icon { background: var(--success); }
        .result-error .result-icon { background: var(--danger); }

        .result-text {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
        }

        /* ===== 已保存账号 ===== */
        .saved-accounts {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        .saved-accounts-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-2);
            margin-bottom: 10px;
        }

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

        .account-tag {
            cursor: pointer !important;
            border-radius: 8px !important;
            padding: 6px 12px !important;
            font-size: 12px !important;
            font-weight: 600 !important;
            font-family: 'DM Sans', sans-serif !important;
            background: var(--surface-alt) !important;
            border: 1.5px solid var(--border) !important;
            color: var(--text) !important;
            transition: all 0.15s !important;
            height: auto !important;
            line-height: 1.4 !important;
        }

        @media (hover: hover) and (pointer: fine) {


        .account-tag:hover {
            background: var(--primary-light) !important;
            border-color: var(--primary) !important;
            color: var(--primary-dark) !important;
        }


        }

        .account-tag .el-tag__close {
            color: var(--text-3) !important;
            font-size: 11px !important;
        }

        @media (hover: hover) and (pointer: fine) {


        .account-tag:hover .el-tag__close {
            color: var(--danger) !important;
        }


        }

        /* ===== 使用说明 ===== */
        .tips-list {
            display: grid;
            gap: 14px;
        }

        .tip-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.6;
        }

        .tip-icon {
            width: 28px;
            height: 28px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ===== 长期使用方案 ===== */
        .promotion-panel {
            position: relative;
            overflow: hidden;
            margin-top: 28px;
            padding: 20px;
            border: 1px solid rgba(13, 148, 136, 0.2);
            border-radius: var(--radius-sm);
            background: linear-gradient(145deg, #ECFDF9 0%, #F0FDFA 52%, #FFFFFF 100%);
        }

        .promotion-panel::after {
            content: '';
            position: absolute;
            width: 112px;
            height: 112px;
            right: -50px;
            bottom: -58px;
            border-radius: 50%;
            background: rgba(13, 148, 136, 0.08);
            pointer-events: none;
        }

        .promotion-heading {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 12px;
        }

        .promotion-kicker {
            display: inline-flex;
            align-items: center;
            min-height: 26px;
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(13, 148, 136, 0.11);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.2px;
        }

        .promotion-price {
            flex-shrink: 0;
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
        }

        .promotion-price strong {
            margin-right: 2px;
            font-size: 24px;
            line-height: 1;
            letter-spacing: -0.8px;
        }

        .promotion-title {
            position: relative;
            z-index: 1;
            margin-bottom: 8px;
            color: var(--text);
            font-size: 17px;
            font-weight: 800;
            line-height: 1.4;
            letter-spacing: -0.2px;
        }

        .promotion-description {
            position: relative;
            z-index: 1;
            margin-bottom: 16px;
            color: var(--text-2);
            font-size: 13px;
            line-height: 1.65;
        }

        .promotion-contact {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 11px 12px;
            border: 1px solid rgba(13, 148, 136, 0.16);
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.76);
        }

        .promotion-contact-label {
            color: var(--text-2);
            font-size: 12px;
            font-weight: 600;
        }

        .promotion-wechat {
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 800;
            letter-spacing: 0.3px;
            overflow-wrap: anywhere;
        }

        /* ===== 底部 ===== */
        .footer {
            text-align: center;
            padding: 20px;
            font-size: 12px;
            color: var(--text-3);
            flex-shrink: 0;
        }

        /* ===== 移动端 ===== */
        .mobile-main {
            display: none;
            flex: 1;
            min-width: 0;
            width: 100%;
            overflow-x: hidden;
            overflow-y: auto;
            padding: 20px;
        }

        .mobile-main::-webkit-scrollbar {
            width: 4px;
        }

        .mobile-main::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 2px;
        }

        .mobile-card {
            width: 100%;
            min-width: 0;
            background: var(--surface);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 16px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.05);
        }

        .mobile-card:last-child {
            margin-bottom: 0;
        }

        .mobile-promotion-panel {
            width: 100%;
            min-width: 0;
            margin-top: 0;
            margin-bottom: 16px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.05);
        }

        /* ===== 响应式切换 ===== */
        @media (max-width: 900px) {
            .header {
                padding: 24px 20px;
            }

            .header-icon {
                width: 40px;
                height: 40px;
                font-size: 20px;
            }

            .header-title {
                font-size: 22px;
            }

            .pc-main {
                display: none;
            }

            .mobile-main {
                display: block;
            }

            .footer {
                padding: 16px 20px;
            }
        }

        @media (max-width: 420px) {
            .promotion-panel {
                padding: 18px;
            }

            .promotion-contact {
                align-items: flex-start;
                flex-direction: column;
                gap: 4px;
            }
        }

        /* ===== 暗色模式 ===== */
        @media (prefers-color-scheme: dark) {
            :root {
                --primary: #2DD4BF;
                --primary-dark: #14B8A6;
                --primary-light: rgba(45,212,191,0.12);
                --primary-glow: rgba(45,212,191,0.2);
                --success: #34D399;
                --success-bg: rgba(52,211,153,0.1);
                --danger: #F87171;
                --danger-bg: rgba(248,113,113,0.1);
                --bg: #0C0A09;
                --surface: #1C1917;
                --surface-alt: #292524;
                --text: #FAFAF9;
                --text-2: #A8A29E;
                --text-3: #78716C;
                --border: #292524;
            }

            .header {
                background: linear-gradient(135deg, #134E4A 0%, #042F2E 100%);
            }

            .el-input__inner {
                background: var(--surface-alt) !important;
                color: var(--text) !important;
                border-color: var(--border) !important;
            }

            .account-tag {
                background: var(--surface-alt) !important;
                border-color: var(--border) !important;
            }

            .quick-step-btn {
                background: var(--surface-alt);
                border-color: var(--border);
                color: var(--text-2);
            }

            .promotion-panel {
                border-color: rgba(45, 212, 191, 0.22);
                background: linear-gradient(145deg, rgba(19, 78, 74, 0.72) 0%, rgba(28, 25, 23, 0.96) 100%);
            }

            .promotion-kicker {
                background: rgba(45, 212, 191, 0.13);
                color: var(--primary);
            }

            .promotion-price,
            .promotion-wechat {
                color: var(--primary);
            }

            .promotion-contact {
                border-color: rgba(45, 212, 191, 0.18);
                background: rgba(12, 10, 9, 0.28);
            }

            .card, .mobile-card, .mobile-promotion-panel {
                box-shadow: 0 2px 12px rgba(0,0,0,0.2);
            }
        }