.register-section {
        padding: 54px 0 86px;
        background:
            radial-gradient(circle at 18% 18%, rgba(255, 122, 0, .12), transparent 30%),
            radial-gradient(circle at 82% 12%, rgba(255, 183, 112, .14), transparent 32%),
            linear-gradient(180deg, #fff6ed 0%, #f7f7f7 66%, #f7f7f7 100%);
        min-height: calc(100vh - 120px);
    }
    .register-container {
        width: 1280px;
        max-width: calc(100% - 48px);
        margin: 0 auto;
        background: #fff;
        padding: 46px 50px;
        border-radius: 8px;
        border: 1px solid rgba(255, 122, 0, .08);
        box-shadow: 0 16px 38px rgba(26, 35, 52, .06);
    }
    .register-title {
        font-size: 20px;
        font-weight: 600;
        color: #333;
        margin-bottom: 30px;
        padding-left: 12px;
        border-left: 4px solid #ff6600;
        line-height: 1;
    }

    /* 表单行 */
    .reg-form-row {
        display: flex;
        align-items: flex-start;
        margin-bottom: 22px;
    }
    .reg-form-left {
        display: flex;
        align-items: center;
        flex-shrink: 0;
        width: 420px;
    }
    .reg-form-right {
        flex: 1;
        font-size: 13px;
        color: #999;
        line-height: 38px;
        padding-left: 15px;
    }
    .reg-label {
        font-size: 14px;
        color: #333;
        white-space: nowrap;
        width: 90px;
        text-align: right;
        margin-right: 10px;
        flex-shrink: 0;
    }
    .reg-label .required { color: #ff6600; margin-right: 2px; }
    .reg-input {
        flex: 1;
        height: 38px;
        padding: 0 12px;
        border: 1px solid #ddd;
        border-radius: 4px;
        font-size: 14px;
        outline: none;
        transition: all 0.3s;
        background: #fff;
    }
    .reg-input:focus {
        border-color: #ff6600;
        box-shadow: 0 0 0 2px rgba(255,102,0,0.08);
    }
    .reg-input::placeholder { color: #bbb; }

    /* 输入框组 */
    .reg-input-group {
        display: flex;
        align-items: center;
        gap: 10px;
        flex: 1;
    }
    .reg-input-sm { flex: 1; }
    .reg-captcha-img {
        height: 38px;
        cursor: pointer;
        border-radius: 4px;
        border: 1px solid #ddd;
        flex-shrink: 0;
    }
    .reg-sms-btn {
        height: 38px;
        padding: 0 18px;
        background: #fff;
        border: 1px solid #ff6600;
        color: #ff6600;
        border-radius: 4px;
        font-size: 13px;
        cursor: pointer;
        transition: all 0.3s;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .reg-sms-btn:hover { background: #ff6600; color: #fff; }
    .reg-sms-btn.disabled {
        background: #f5f5f5;
        border-color: #ddd;
        color: #999;
        cursor: not-allowed;
    }

    /* 协议 */
    .reg-agreement { margin-top: 25px; margin-bottom: 25px; }
    .agreement-label {
        display: flex;
        align-items: center;
        font-size: 13px;
        color: #666;
        cursor: pointer;
    }
    .agreement-label input[type="checkbox"] {
        margin-right: 6px;
        width: 16px;
        height: 16px;
        accent-color: #ff6600;
    }
    .agreement-label a { color: #1890ff; }
    .agreement-label a:hover { color: #ff6600; }

    /* 提交 */
    .reg-submit-wrap { margin-top: 5px; }
    .reg-submit-btn {
        height: 44px;
        padding: 0 50px;
        background: linear-gradient(135deg, #ff6600 0%, #ff7722 100%);
        color: #fff;
        border: none;
        border-radius: 4px;
        font-size: 16px;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.3s;
    }
    .reg-submit-btn:hover {
        transform: translateY(-1px);
        box-shadow: 0 4px 15px rgba(255,102,0,0.35);
    }

    @media (max-width: 768px) {
        .main-section:has(.register-section) {
            min-height: auto !important;
        }
        .register-section {
            width: 100%;
            margin: 0;
            padding: 20px 0 18px !important;
            background: linear-gradient(180deg, #f7f9fc 0%, #eef2f7 100%);
        }
        .register-container {
            width: auto;
            max-width: calc(100% - 28px);
            margin: 0 auto;
            padding: 18px 14px 16px;
            border: 1px solid rgba(226,232,240,0.9);
            border-radius: 8px;
            box-shadow: 0 12px 28px rgba(20,31,50,0.08);
        }
        .register-title {
            font-size: 17px;
            margin-bottom: 16px;
            padding-left: 10px;
            line-height: 1.2;
        }
        .reg-form-row {
            display: block;
            margin-bottom: 11px;
        }
        .reg-form-left {
            width: 100%;
            display: block;
        }
        .reg-form-right {
            display: none;
        }
        .reg-label {
            display: block;
            width: auto;
            text-align: left;
            margin: 0 0 5px;
            font-size: 13px;
            line-height: 1.25;
            color: #1f2937;
        }
        .reg-input {
            width: 100%;
            height: 34px;
            padding: 0 10px;
            border-color: #dfe5ee;
            border-radius: 6px;
            font-size: 13px;
        }
        .reg-input-group {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 112px;
            gap: 8px;
            align-items: center;
        }
        .reg-captcha-img {
            width: 112px;
            height: 34px;
            object-fit: cover;
            border-radius: 6px;
        }
        .reg-sms-btn {
            width: 112px;
            height: 34px;
            padding: 0;
            border-radius: 6px;
            font-size: 12px;
            background: #fff7f1;
        }
        .reg-agreement {
            margin: 12px 0 12px;
            padding: 9px 10px;
            border-radius: 8px;
            background: #fff8f3;
        }
        .agreement-label {
            display: grid;
            grid-template-columns: 16px minmax(0, 1fr);
            gap: 7px;
            align-items: flex-start;
            line-height: 1.45;
        }
        .agreement-label input[type="checkbox"] {
            width: 14px;
            height: 14px;
            margin-right: 0;
            margin-top: 3px;
        }
        .agreement-text {
            display: block;
            min-width: 0;
            color: #4b5563;
            word-break: normal;
            overflow-wrap: break-word;
        }
        .agreement-text a {
            display: inline;
            white-space: nowrap;
            font-weight: 600;
        }
        .reg-submit-wrap { margin-top: 0; }
        .reg-submit-btn {
            width: 100%;
            height: 40px;
            padding: 0;
            border-radius: 7px;
            font-size: 14px;
            box-shadow: 0 10px 22px rgba(255,102,0,0.18);
        }
    }
    @media (max-width: 480px) {
        .register-section { padding: 16px 0 16px !important; }
        .register-container { max-width: calc(100% - 24px); padding: 16px 12px 14px; }
        .register-title { font-size: 16px; margin-bottom: 14px; }
        .reg-input-group { grid-template-columns: minmax(0, 1fr) 104px; gap: 7px; }
        .reg-captcha-img,
        .reg-sms-btn { width: 104px; }
        .agreement-label { font-size: 12px; }
        .reg-agreement { margin: 10px 0 12px; }
    }